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

2010-04-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (DWI): New mode iterator.
        (S): New mode attribute.
        (shift_operand): Ditto.
        (shift_immediate_operand): Ditto.
        (ashl_input_operand): Ditto.
        (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
        using SDWIM mode iterator.
        (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
        pattern from *ashl{di,ti}3_1 and corresponding splitters using
        DWI mode iterator.
        (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
        from corresponding peephole2 patterns.
        (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
        and x86_64_shift_adj_1 using SWI48 mode iterator.
        (x86_shift<mode>_adj_2): Ditto.
        (*ashldi3_1_rex64): Split TYPE_LEA pattern.
        (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
        using SWI48 mode iterator.
        (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
        *ashldi3_cmp_rex64 using SWI mode iterator.
        (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
        *ashldi3_cconly_rex64 using SWI mode iterator.
        * config/i386/i386.c (ix86_split_ashl): Update for renamed
        x86_shift<mode>_adj_{1,2}.
        (ix86_split_ashr): Ditto.
        (ix86_split_lshr): Ditto.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        * target.h (builtin_conversion): Pass in input and output types.
        * targhooks.c (default_builtin_vectorized_conversion): Adjust.
        * targhooks.h (default_builtin_vectorized_conversion): Likewise.
        * tree-vect-stmts.c (vectorizable_conversion): Adjust.
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.

        * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
        Handle AVX modes.
        * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        PR target/43152
        * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        * tree-vectorizer.h (struct _stmt_vec_info): Document
        that vectype is the type of the LHS.
        (supportable_widening_operation, supportable_narrowing_operation): 
        Get both input and output vector types as arguments.
        (vect_is_simple_use_1): Declare.
        (get_same_sized_vectype): Likewise.
        * tree-vect-loop.c (vect_determine_vectorization_factor):
        Set STMT_VINFO_VECTYPE to the vector type of the def.
        (vectorizable_reduction): Adjust.
        * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
        Adjust.  Specify the output vector type.
        (vect_pattern_recog_1): Adjust.
        * tree-vect-stmts.c (get_same_sized_vectype): New function.
        (vectorizable_call): Adjust.
        (vectorizable_conversion): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_type_demotion): Likewise.
        (vectorizable_type_promotion): Likewise.
        (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
        the def.
        (vect_is_simple_use_1): New function.
        (supportable_widening_operation): Get both input and output
        vector types.
        (supportable_narrowing_operation): Likewise.
        * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.

2010-04-09  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
        __thiscall and _thiscall as predefined macros.
        * config/i386/i386.c (ix86_handle_cconv_attribute): Add
        thiscall attribute handling.
        (ix86_comp_type_attributes): Likewise.
        (ix86_function_regparm): Likewise.
        (ix86_return_pops_args): Likewise.
        (init_cumulative_args): Likewise.
        (find_drap_reg): Likewise.
        (ix86_static_chain): Likewise.
        (x86_this_parameter): Likewise.
        (x86_output_mi_thunk): Likewise.
        (ix86_attribute_table): Add description for thiscall attribute.
        * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
        * doc/extend.texi: Add documentation for thiscall.
        
2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/28584
        * c.opt (Wint-to-pointer-cast): Available in C++.
        * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.

2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
        * calls.c (expand_call): Pass the function type to aggregate_value_p.
        * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
        the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
        function type instead.  Reorder and simplify checks.

        * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.

2010-04-08  Jing Yu  <jingyu@google.com>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/42720
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
        loop unswitch conditions here from ...
        (tree_unswitch_single_loop): ... here.

2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Fix comments and simplify logic.

2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
        (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
        (main_tree_if_conversion): Update call to tree_if_conversion.

2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 42485
        * doc/invoke.texi (-b,-V): Delete.
        * doc/tm.texi: Do not mention -b.
        * gcc.c (display_help): Delete -b and -V.
        (process_command): Delete -b and -V.
        * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.

2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
            Wolfgang Gellerich  <gellerich@de.ibm.com>

        Implement target hook for loop unrolling
        * target.h (loop_unroll_adjust): Add a new target hook function.
        * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
        * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
        * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
        (s390_loop_unroll_adjust): Implement the new target hook for s390.
        * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
        target hook.
        (decide_unroll_stupid): Likewise.

2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/43643
        * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.

2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
        (Specific, *-*-solaris2*): Likewise.
        Don't prefer Sun as over GNU as.

2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.c (override_options): Adjust the z10
          defaults for max-unroll-times, max-completely-peeled-insns
          and max-completely-peel-times.

2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_expand_movmem): Issue prefetch
        instructions for z10.
        (s390_expand_setmem): Likewise.
        (s390_expand_cmpmem): Likewise.

2010-04-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43679
        * tree-ssa-pre.c (eliminate): Only propagate copies.

2010-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43681
        * expr.c (block_move_libcall_safe_for_call_parm): Avoid
        set but not used variable warning.

2010-04-08  Wei Guozhi  <carrot@google.com>

        PR target/41653
        * config/arm/arm.c (thumb1_size_rtx_costs): New function.
        (arm_size_rtx_costs): Call the new function when optimized for size.

2010-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43670
        * cfgexpand.c (expand_debug_expr): If for non-NULL offset
        op0 is not a MEM, just return NULL instead of assertion
        failure.
        (discover_nonconstant_array_refs): Don't walk debug stmts.

2010-04-08  Doug Kwan  <dougkwan@google.com>

        * configure.ac: Recognize gold and do not use its version number
        to test ld features.
        * configure: Regenerate.

2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR middle-end/40815
        * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
        (negate_value): Move code to push elements to broken_up_substracts ...
        (eliminate_plus_minus_pair): ... here.  Push operands that have no
        negative pair to plus_negates.
        (repropagate_negates, init_reassoc, fini_reassoc): Update.

2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi (Configuration): Move description of
        --enable-lto, --with-libelf*, --enable-gold from Java section to
        general section.

        * doc/generic.texi (Working with declarations)
        (Function Properties, C and C++ Trees): Fix typos.
        * doc/sourcebuild.texi (Top Level): Likewise.

2010-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR c/18624
        * tree.h (DECL_READ_P): Define.
        (struct tree_decl_common): Add decl_read_flag.
        * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
        a set but not used warning.
        (merge_decls): Merge DECL_READ_P flag.
        (finish_decl, build_compound_literal): Set DECL_READ_P flag.
        (finish_function): Issue -Wunused-but-set-parameter diagnostics.
        * c-common.c (handle_used_attribute, handle_unused_attribute):
        Likewise.
        * c-tree.h (default_function_array_read_conversion, mark_exp_read):
        New prototypes.
        * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
        New functions.
        (default_conversion, c_process_expr_stmt): Call mark_exp_read.
        * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
        c_parser_binary_expression, c_parser_cast_expression,
        c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
        Call default_function_array_read_conversion instead of
        default_function_array_conversion where needed.
        (c_parser_unary_expression, c_parser_conditional_expression,
        c_parser_postfix_expression_after_primary, c_parser_initelt):
        Likewise.  Call mark_exp_read where needed.
        (c_parser_statement_after_labels, c_parser_asm_operands,
        c_parser_typeof_specifier, c_parser_sizeof_expression,
        c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
        where needed.
        * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
        New.
        * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
        (warn_unused_but_set_parameter): Default to warn_unused
        && extra_warnings.
        * doc/invoke.texi: Document -Wunused-but-set-variable and
        -Wunused-but-set-parameter.

        * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
        used count variable.
        * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
        when operandN variables aren't used in the body of the expander
        or splitter.
        * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
        FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
        * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
        * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
        FOR_EACH_IMM_USE_ON_STMT): Likewise.
        * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
        * tree.c (PROCESS_ARG): Likewise.

2010-04-07  Simon Baldwin  <simonb@google.com>

        * diagnostic.h (diagnostic_override_option_index): New macro to
        set a diagnostic's option_index.
        * c-tree.h (c_cpp_error): Add warning reason argument.
        * opts.c (_warning_as_error_callback): New.
        (register_warning_as_error_callback): Store callback for
        warnings enabled via enable_warning_as_error.
        (enable_warning_as_error): Call callback, minor code tidy.
        * opts.h (register_warning_as_error_callback): Declare.
        * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
        response to -Werror=.
        (c_common_init_options): Register warning_as_error_callback in opts.c.
        * common.opt: Add -Wno-cpp option.
        * c-common.c (struct reason_option_codes_t): Map cpp warning
        reason codes to gcc option indexes.
        * (c_option_controlling_cpp_error): New function, lookup the gcc
        option index for a cpp warning reason code.
        * (c_cpp_error): Add warning reason argument, call
        c_option_controlling_cpp_error for diagnostic_override_option_index.
        * doc/invoke.texi: Document -Wno-cpp.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        * ipa-reference.c (mark_load): Use get_base_address.
        (mark_store): Likewise.

        * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
        inserting GIMPLE_NOPs into the IL.
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Explicitly strip handled components and indirect references.
  
        * fold-const.c (fold_unary_loc): Do not strip qualifiers when
        folding address expressions.
        * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
        * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
        operand_equal_p to compare decls.
        (ptr_deref_may_alias_decl_p): Likewise.
        * tree-ssa-operands.c (get_asm_expr_operands): Simplify
        * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
        Handle reversed comparison ops.
        * tree-sra.c (asm_visit_addr): Use get_base_address.
        * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
        * ipa-reference.c (mark_address): Use get_base_address.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr):
        Propagate constants everywhere.

2010-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43516
        * tree.c (MAX_INT_CACHED_PREC): Define.
        (nonstandard_integer_type_cache): New array.
        (build_nonstandard_integer_type): Cache results for precision
        <= MAX_INT_CACHED_PREC.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fargument-alias, -fargument-noalias,
        -fargument-noalias-global, -fargument-noalias-anything): Remove.
        * common.opt: Likewise.
        * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
        * alias.c (base_alias_check): Remove flag_argument_noalias handling.
        (nonoverlapping_memrefs_p): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * opts.c (common_handle_option): Handle OPT_fargument_alias,
        OPT_fargument_noalias, OPT_fargument_noalias_anything and
        OPT_fargument_noalias_global for backward compatibility.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43270
        * tree-vrp.c (check_array_ref): Fix flexible array member detection.
        * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
        * tree-ssa-pre.c (phi_translate_1): Adjust.
        (fully_constant_expression): Split out vn_reference handling to ...
        * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
        Fold reads from constant strings.
        (vn_reference_lookup): Handle fully constant references.
        (vn_reference_lookup_pieces): Likewise.
        * Makefile.in (expmed.o-warn): Add -Wno-error.

2010-04-07  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (find_param_candidates): Allow scalar va_list types.

2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>

        PR driver/41594
        * gcc.c: Add -static-libstdc++ to list of recognized options.

2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42617
        * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
        bases build simple mem attributes to retain points-to information.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42617
        * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
        preserve points-to related information.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42617
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
        discard plain indirect references.
        * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
        * tree.c (tree_nop_conversion): Likewise.

2010-04-07  Dodji Seketeli  <dodji@redhat.com>

        PR debug/43628
        * dwarf2out.c (modified_type_die): Ignore artificial typedefs.

2010-04-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
        calling convention attributes on METHOD_TYPEs for w64 ABI, too.

2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Fix indentation and comments.

2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Sort static functions in topological order.

2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Fix indentation and comments.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (max_signed_precision_type): Use
        lang_hooks.types.type_for_size instead of
        build_nonstandard_integer_type.
        When converting an unsigned type to signed, double its precision.
        (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
        (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
        (graphite_create_new_loop_guard): When ub + 1 wraps around,
        use lb <= ub.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
        POINTER_PLUS_EXPR for pointer types.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
        * graphite-clast-to-gimple.c: Include langhooks.h.
        (max_signed_precision_type): New.
        (max_precision_type): Takes two types as arguments.
        (precision_for_value): New.
        (precision_for_interval): New.
        (gcc_type_for_interval): New.
        (gcc_type_for_value): New.
        (gcc_type_for_clast_term): New.
        (gcc_type_for_clast_red): New.
        (gcc_type_for_clast_bin): New.
        (gcc_type_for_clast_expr): Split up into several functions.
        (gcc_type_for_clast_eq): Rewritten.
        (compute_bounds_for_level): New.
        (compute_type_for_level_1): New.
        (compute_type_for_level): New.
        (gcc_type_for_cloog_iv): Removed.
        (gcc_type_for_iv_of_clast_loop): Rewritten.
        (graphite_create_new_loop): Compute the lower and upper bound types
        with gcc_type_for_clast_expr.
        (graphite_create_new_loop_guard): Same.
        (find_cloog_iv_in_expr): Removed.
        (compute_cloog_iv_types_1): Removed.
        (compute_cloog_iv_types): Removed.
        (gloog): Do not call compute_cloog_iv_types.
        * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
        GBB_CLOOG_IV_TYPES.
        (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
        * sese.h (struct gimple_bb): Removed field cloog_iv_types.
        (GBB_CLOOG_IV_TYPES): Removed.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
        gimple_phi_num_args of the loop close SSA phi node is equal to 1.
        (detect_commutative_reduction): Same.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
        call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
        argument.
        * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
        * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
        (rewrite_commutative_reductions_out_of_ssa): Same.
        * passes.c (execute_function_todo): Call verify_ssa for every pass
        in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
        * tree-flow.h (verify_loop_closed_ssa): Update declaration.
        * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
        with an extra argument.
        * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
        verify_ssa only when the extra argument is true.
        (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
        with an extra argument.
        (tree_transform_and_unroll_loop): Same.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        * passes.c (execute_function_todo): Call verify_loop_closed_ssa
        for all the passes of the LNO having LOOP_CLOSED_SSA.
        * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
        * tree-loop-distribution.c (pass_loop_distribution): Same.
        * tree-pass.h (TODO_verify_loops): Removed.
        * tree-ssa-loop.c (pass_tree_loop_init): Same.
        (pass_lim): Same.
        (pass_tree_unswitch): Same.
        (pass_predcom): Same.
        (pass_vectorize): Same.
        (pass_linear_transform): Same.
        (pass_graphite_transforms): Same.
        (pass_iv_canon): Same.
        (pass_complete_unroll): Same.
        (pass_complete_unrolli): Same.
        (pass_parallelize_loops): Same.
        (pass_loop_prefetch): Same.
        (pass_iv_optimize): Same.

2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/32824
        * passes.c (init_optimization_passes): Move pass_lim before
        pass_copy_prop and pass_dce_loop.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/43667
        * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
        instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
        (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
        MULTI_* defines for 4 argument vpermil2p* builtins.

2010-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
        * config/i386/i386.c (x86_maybe_negate_const_int): New.
        (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
        * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
        *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
        *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
        *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
        Use x86_maybe_negate_const_int to output insn mnemonic.
        (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
        check from instruction predicate.  Update comments.
        * config/i386/sync.md (sync_add<mode>): Use
        x86_maybe_negate_const_int to output insn mnemonic.

2010-04-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/42906
        * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
        IGNORE_SELF argument.  Set visited_control_parents for fully
        processed BBs.
        (find_obviously_necessary_stmts): Update call of
        mark_control_dependent_edges_necessary.
        (propagate_necessity): Likewise.  Handle PHI edges more curefully.

2010-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md: Remove comment about 'e' and 'E'
        operand modifier.

2010-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43627
        * tree-vrp.c (extract_range_from_unary_expr): Widenings
        of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
        not varying.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Change to 4.6.0.

        PR target/43638
        * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
        handling.

2010-04-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43661
        * fold-const.c (fold_comparison): Handle X * 0 CMP 0.

2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Optimize Options): Document that LTO
        won't remove object access purely due to incompatible
        declarations.

2010-04-04  Matthias Klose  <doko@ubuntu.com>

        * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
        Initialize variable.

2010-04-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42509
        * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
        require a non-NULL MEM_OFFSET.

2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>

        * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
        basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
        collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
        config/alpha/predicates.md, config/arm/arm.md,
        config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
        config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
        config/darwin9.h, config/darwin.c, config/darwin.h,
        config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
        config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
        config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
        config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
        config/mips/mips.md, config/mn10300/mn10300.c,
        config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
        config/rs6000/aix.h, config/rs6000/dfp.md,
        config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
        config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
        config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
        config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
        config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
        config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
        c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
        diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
        doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
        doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
        fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
        gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
        graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
        graphite-dependences.c, graphite-poly.c, graphite-poly.h,
        graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
        graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
        intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
        ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
        ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
        loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
        objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
        opt-functions.awk, opth-gen.awk, params.def, passes.c,
        postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
        rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
        store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
        tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
        tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
        tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
        tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
        tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
        tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
        tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
        tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
        tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
        tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
        unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/43620
        * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
        * aclocal.m4: Regenerate.

2010-04-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43629
        * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
        if we have seen a constant value.

2010-04-02  Joseph Myers  <joseph@codesourcery.com>

        * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.

2010-04-02  Richard Earnshaw  <rearnsha@arm.com>

        PR target/43469
        * arm.c (legitimize_tls_address): Adjust call to
        gen_tls_load_dot_plus_four.
        (arm_note_pic_base): New function.
        (arm_cannot_copy_insn_p): Use it.
        * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
        constraint.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/43531

        Revert:
        2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in ($(out_object_file)): Depend on
        gt-$(basename $(notdir $(out_file))).h.

2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>

        * config.gcc (lm32-*-rtems*): Add t-lm32.

2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>

        * config.gcc: Add lm32-*-rtems*.
        * config/lm32/rtems.h: New file.

2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/42609
        * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.

2010-04-01  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_compilation_unit_header): For
        -gdwarf-4 use version 4 instead of version 3.
        (output_line_info): For version 4 and above emit additional
        maximum ops per insn header field.
        (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.

        * dwarf2out.c (is_c_family, is_java): Remove.
        (lower_bound_default): New function.
        (add_bound_info, gen_descr_array_type_die): Use it.

2010-04-01  Dodji Seketeli  <dodji@redhat.com>

        PR debug/43325
        * dwarf2out.c (gen_variable_die): Allow debug info for variable
        re-declaration when it happens in a function.

2010-04-01  Aldy Hernandez  <aldyh@redhat.com>

        * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
        (cgraph_remove_function_insertion_hook): Same.
        (cgraph_call_function_insertion_hooks): Same.

2010-04-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43614
        * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
        and TREE_THIS_VOLATILE.
        (copy_ref_info): Likewise.
        * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
        * tree.c (build6_stat): Ignore side-effects of all but arg5
        for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
        TARGET_MEM_REF.

2010-04-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43607
        * ipa-type-escape.c (check_call): Do not access non-existing
        arguments.

2010-04-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43602
        Revert
        2010-03-30  Seongbae Park <seongbae.park@gmail.com>
                    Jack Howarth <howarth@bromo.med.uc.edu>

        * tree-profile.c (tree_init_ic_make_global_vars): Make static
        variables TLS.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Prerequisites): Document libelf usability on
        IRIX 5/6 and Solaris 2.
        (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
        Update GNU as, GNU ld requirements.
        (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
        Document Sun Studio compiler download.
        Update and simplify as, ld recommendations.
        (Specific, *-*-solaris2.7): Note obsoletion, removal.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
        with_tune_32 to pentium4.

2010-04-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
        obsoletion, removal.
        Update IDO URL.
        Document GNU as requirement.
        Update configure requirements.
        (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
        Recomment IRIX 6.5.18+.
        Document IDF/IDL requirement.
        Document GNU as requirement.
        Document GNU ld bootstrap failure.
        Remove freeware.sgi.com reference.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
        UNIX V4.0, V5.0 obsoletion, removal.
        Remove --with-gc=simple reference.
        Update VM requirements during bootstrap.
        Remove -oldas bootstrap description.
        Update binutils reference.
        Remove comparison failure note.

2010-03-31  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43464
        * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
        with multiple arguments.
        (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (print_pddr): Call print_pdr with an
        extra argument.
        * graphite-poly.c (debug_pdr): Add an extra argument for the
        verbosity level.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (print_pbb): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_cloog): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_cloog): Same.
        (print_scop_params): Same.
        (debug_scop_params): Same.
        (print_iteration_domain): Same.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_scattering_function): Same.
        (print_scattering_functions): Same.
        (debug_scattering_function): Same.
        (debug_scattering_functions): Same.
        * graphite-poly.h (debug_pdr): Update declaration.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (print_pbb): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_cloog): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_cloog): Same.
        (print_scop_params): Same.
        (debug_scop_params): Same.
        (print_iteration_domain): Same.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_scattering_function): Same.
        (print_scattering_functions): Same.
        (debug_scattering_function): Same.
        (debug_scattering_functions): Same.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function_1): New.
        (print_scattering_function): Call it.
        (print_scop_params): Remove spaces at the end of lines.
        (print_cloog): New.
        (debug_cloog): New.
        * graphite-poly.h (print_cloog): Declared.
        (debug_cloog): Declared.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
        in loop->header.
        * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
        * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
        to switch between adding the IV bump in loop->latch or in loop->header.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function): Pretty print following
        the scoplib format.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (dump_gbb_cases): Same.
        (dump_gbb_conditions): Same.
        (print_pdrs): Same.
        (print_pbb): Same.
        (print_scop_params): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_pbb_body): New.
        (lst_indent_to): New.
        (print_lst): Start new lines with a #.
        * graphite-poly.h (pbb_bb): New.
        (pbb_index): Use pbb_bb.
        * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
        disjuncts.
        * tree-data-ref.c (dump_data_reference): Start new lines with a #.

2010-03-31  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (size_of_die): For -gdwarf-4 use
        uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
        and 0 instead of 1 for dw_val_class_flag.
        (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
        dw_val_class_range_list, dw_val_class_loc_list,
        dw_val_class_lineptr and dw_val_class_macptr, use
        DW_FORM_flag_present for dw_val_class_flag and
        DW_FORM_exprloc for dw_val_class_loc.
        (output_die): For -gdwarf-4 print dw_val_class_loc
        size as uleb128 instead of 1 or 2 bytes and don't print
        anything for dw_val_class_flag.

        * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
        instead of cselib_lookup following by tweaking locs->setting_insn.

        PR bootstrap/43596
        * cselib.c (cselib_process_insn): Clear cselib_current_insn
        even before returning from label, setjmp call or volatile asm
        handling.

2010-03-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43600
        * cgraphunit.c (cgraph_output_in_order): Do not allocate
        temporary data on stack.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
        (PUSHSECTION_ASM_OP): Remove.
        (POPSECTION_ASM_OP): Remove.
        (PUSHSECTION_FORMAT): Remove.
        * config/sol2.h (PUSHSECTION_FORMAT): Define.
        * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
        * config/sol2.c (solaris_output_init_fini): Use it.

2010-03-31  Jie Zhang  <jie@codesourcery.com>

        PR 43574
        * opt-functions.awk (var_type_struct): Use signed char type
        for simple variables.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.c: Include output.h.
        (solaris_assemble_visibility): New function.
        * config/t-sol2 (sol2.o): Add output.h dependency.
        * config/sol2-protos.h (solaris_assemble_visibility): Declare.
        * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
        Redefine.

2010-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR target/43580
        * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
        V2SImode or XFmode on PRE_DEC.

        PR debug/43557
        * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
        BLKmode.

2010-03-31  Jie Zhang  <jie@codesourcery.com>

        PR 43562
        * reload.h (caller_save_initialized_p): Declare.
        * toplev.c (backend_init_target): Don't call
        init_caller_save but set caller_save_initialized_p to false.
        * caller-save.c (caller_save_initialized_p): Define.
        (init_caller_save): Check caller_save_initialized_p.
        * ira.c (ira): Call init_caller_save if flag_caller_saves.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/39048
        * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
        and soft-fp/t-softfp to tmake_file.
        * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
        (LIBGCC2_TF_CEXT): Define.
        (TF_SIZE): Define.

2010-03-30  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42977
        * cselib.c (n_useless_values): Document handling of debug locs.
        (n_useless_debug_values, n_debug_values): New variables.
        (new_elt_loc_list): Don't add to debug values, keep count.
        (promote_debug_loc): New.
        (cselib_reset_table): Zero new variables.
        (entry_and_rtx_equal_p): Promote debug locs.
        (discard_useless_locs): Increment n_useless_debug_values for
        debug values.
        (remove_useless_values): Adjust n_useless_values and n_debug_values
        with n_useless_debug_values.
        (add_mem_for_addr): Promote debug locs.
        (cselib_lookup_mem): Likewise.
        (cselib_lookup_addr): Renamed to...
        (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
        (cselib_log_lookup): ... this.  Turn into...
        (cselib_lookup_addr): ... new wrapper.
        (cselib_lookup_from_insn): New.
        (cselib_invalidate_regno): Increment n_useless_debug_values for
        debug values.
        (cselib_invalidate_mem): Likewise.
        (cselib_process_insn): Take n_deleted and n_debug_values into
        account to guard remove_useless_value call.
        (cselib_finish): Zero n_useless_debug_values.
        * cselib.h (cselib_lookup_from_insn): Declare.
        * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
        (sched_analyze_2): Likewise.

2010-03-30  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
        functions.
        (adjust_mems): Replace narrowing SUBREG of expression containing
        just PLUS, MINUS, MULT and ASHIFT of registers and constants
        with operations in the narrower mode.

        PR debug/43593
        * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
        regs_invalidated_by_call instead all call_used_reg_set registers.

2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43430
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
        pointer comparisons with types_compatible_p.
        * tree-vect-stmts.c (vectorizable_call): Same.
        (vectorizable_condition): Same.

2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
        stack check if the mask would be zero.

2010-03-30  Seongbae Park <seongbae.park@gmail.com>
            Jack Howarth <howarth@bromo.med.uc.edu>

        * tree-profile.c (tree_init_ic_make_global_vars): Make static
        variables TLS.

2010-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR other/25232
        * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
        and __unordtf2.
        * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
        Include ___unordxf2 and ___unordtf2.
        * config/i386/libgcc-glibc.ver: Do not define inheritance from
        GCC_4.4.0 here.

2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>

        * config/lm32/t-lm32: New file.
        * config.gcc: Use the above file when targetting lm32.

2010-03-28  Duncan Sands  <baldrick@free.fr>

        * Makefile.in (PLUGIN_HEADERS): Add except.h.

2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43431
        * tree-vect-loop.c (vect_estimate_min_profitable_iters):
        Improve vectorization cost model diagnostic.

2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43436
        * tree-vect-data-refs.c (vect_analyze_data_refs): When
        compute_data_dependences_for_loop returns false, early exit
        and output an extra diagnostic for the failed data reference
        analysis.

2010-03-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43560
        * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
        (can_sm_ref_p): Treat stores to readonly locations as trapping.

2010-03-29  Jie Zhang  <jie@codesourcery.com>

        PR 43564
        * toplev.c (process_options): Set optimization_default_node
        and optimization_current_node.
        * opts.c (decode_options): Don't set optimization_default_node
        and optimization_current_node.

2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/rtems.h: Abandon -qrtems_debug.

2010-03-28  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43505
        * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
        map should not be copied.

2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/41674
        * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
        cdtors, set DECL_PRESERVE_P.
        * ipa.c (cgraph_externally_visible_p): Return true if declaration
        should be preseved.

2010-03-27  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/43528
        * stor-layout.c (place_field): Check that constant fits into
        unsigned HWI when skipping calculation of MS bitfield layout.

2010-03-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/43391
        * varasm.c (make_decl_rtl): Deal with COMMON flag to make
        notice_global_symbol work.

2010-03-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
        instead of dwarf2out_decl.
        (struct var_loc_node): Remove section_label field.
        (dwarf2out_function_decl): New function.
        (dwarf2out_var_location): Don't set section_label field.
        (dwarf2out_begin_function): Don't empty decl_loc_table here.

2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR tree-optimization/43544
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
        First argument for builtin vectorized function hook is now a
        tree to be able to distinguish between machine specific and
        standard builtins.
        * targhooks.c (default_builtin_vectorized_function): Ditto.
        * targhooks.h (default_builtin_vectorized_function): Ditto.
        * target.h (struct gcc_target): Ditto.
        * tree-vect-stmts.c (vectorizable_function): Ditto.
        * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
        * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
        Ditto.

2010-03-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/43381
        * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
        nested binding iff it is a FUNCTION_DECL.
        (store_parm_decls_newstyle): Pass nested=true to bind for
        FUNCTION_DECLs amongst parameters.

2010-03-26  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (vt_expand_loc_callback): Don't run
        cselib_expand_value_rtx_cb in dummy mode if
        cselib_dummy_expand_value_rtx_cb returned false.

        * var-tracking.c (emit_note_insn_var_location): For one part
        notes with offset 0, don't add EXPR_LIST around the location.
        * dwarf2out.c (loc_descriptor, dw_loc_list_1,
        add_location_or_const_value_attribute): Adjust for that change.

        PR debug/43540
        * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
        into first operand and location into second.
        (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
        dw_cfi_oprnd_loc for DW_CFA_expression.
        (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
        (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
        assume first argument is regnum and second argument is location.

2010-03-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42113
        * config/alpha/alpha.md (*cmp_sadd_si): Change mode
        of scratch register to DImode.  Split to DImode comparison operator.
        Use SImode subreg of scratch register in the multiplication.
        (*cmp_sadd_sidi): Ditto.
        (*cmp_ssub_si): Ditto.
        (*cmp_ssub_sidi): Ditto.

2010-03-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43524
        * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
        Remove invalid assert and wrong comment.

2010-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43516
        * flags.h (final_insns_dump_p): New extern.
        * final.c (final_insns_dump_p): New variable.
        (rest_of_clean_state): Set it before -fdump-final-insns=
        dumping, clear afterwards.
        * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
        MEM_ALIAS_SET on MEMs.

2010-03-26  David S. Miller  <davem@davemloft.net>

        * configure.ac: Fix sparc GOTDATA_OP bug check.
        * configure: Rebuild.

2010-03-26  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.

2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
        TLS_SECTION_ASM_FLAG.

2010-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43511
        * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
        Clear first_function_block_is_cold.

        PR c/43385
        * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
        argument if the argument is truth_value_p.

2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/constraints.md: Update copyright year for my changes.

        PR target/43484
        * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
        used in reg+reg addressing, swap registers.

2010-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43293
        * target.h (struct gcc_target): Add code_end hook.
        * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
        if not yet defined.
        (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
        * toplev.c (compile_file): Call targetm.asm_out.code_end
        hook before unwind info/debug info output.
        * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
        * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
        (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
        * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
        (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
        * config/i386/i386.c (ix86_file_end): Renamed to...
        (ix86_code_end): ... this.  Make static.  Don't call
        file_end_indicate_exec_stack.  Emit unwind info using
        final_start_function/final_end_function.
        (darwin_x86_file_end): Remove.
        (TARGET_ASM_CODE_END): Define.
        * config/i386/i386.h (TARGET_ASM_FILE_END,
        NEED_INDICATE_EXEC_STACK): Don't define.
        * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
        (TARGET_ASM_FILE_END): Define to darwin_file_end.
        * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
        * doc/tm.texi (TARGET_ASM_CODE_END): Document.

        PR target/43498
        * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
        at the beginning and final_end_function at the end.
        * config/s390/s390.c (s390_output_mi_thunk): Likewise.

2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
        and Sun as TLS syntax.
        (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
        (default_elf_asm_named_section): Use it.
        * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
        (i386_output_dwarf_dtprel): Likewise.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @GOTTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @GOTNTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @INDNTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @NTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @TPOFF.
        (output_addr_const_extra): Likewise.
        * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
        (*tls_global_dynamic_64): Likewise.
        (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
        (*tls_local_dynamic_base_64): Lowercase @TLSLD.

        * defaults.h (TLS_COMMON_ASM_OP): Provide default.
        (ASM_OUTPUT_TLS_COMMON): Use it.
        * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.

        PR target/38118
        * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
        * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
        * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
        * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
        * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
        (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.

2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/i386.c (override_options): Don't accept
        -mtls-dialect=sun any longer.
        * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
        * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
        (*tls_local_dynamic_base_32_sun): Likewise.
        * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.

2010-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43508
        * dwarf2out.c (mem_loc_descriptor): Don't ICE on
        VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.

        PR debug/43479
        * ira.c (adjust_cleared_regs): New function.
        (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.

        PR debug/19192
        PR debug/43479
        * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
        from gimple_block.
        * expr.c (expand_expr_real): Restore previous
        curr_insn_source_location and curr_insn_block after
        expand_expr_real_1 call.
        (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
        instead of expand_expr_real_1.

2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/43413
        * ira-color.c (setup_allocno_available_regs_num): Count prohibited
        hard regs too.

2010-03-22  James E. Wilson  <wilson@codesourcery.com>

        PR target/43348
        * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
        call_value_gp, sibcall_gp): Use 's' constraint not 'i'.

2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_target_string): Add -mfma.
        Fix a typo in comment.

2010-03-22  Mike Stump  <mikestump@comcast.net>

        PR target/23071
        * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
        Don't overly align based upon packed packed fields.

2010-03-22  Jason Merrill  <jason@redhat.com>

        * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
        Use () rather than [], and move before the element type.

2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/configfiles.texi (Configuration Files): Removed
        fixinc/Makefile*, intl/Makefile.*.
        * doc/makefile.texi: Fixed markup. Abstract from version
        control system used.
        (Makefile): Removed obsolete gcc/java/parse.y example.
        * doc/sourcebuild.texi: Likewise.
        (Top Level): Added config, gnattools, libdecnumber, libgcc,
        libgomp, libssp.  Removed fastjar.
        (Miscellaneous Docs): Clarify location.
        Added COPYING3, COPYING3.LIB.
        (Front End Directory): Moved Make-lang.in entry to new subsubsection.

2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/38085
        * config/i386/i386.c (x86_function_profiler)
        [!NO_PROFILE_COUNTERS]: Fix typo.
        * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
        instead of callq.

2010-03-22  Janis Johnson  <janis187@us.ibm.com>
            Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Test Directives): Split into six
        subsections, with most of the current text in new subsections
        Directives, Selectors, and Final Actions.
        (Directives): Split list of test directives into multiple
        subsubsections.
        (Selectors): Describe use and syntax of selectors.
        (Effective-Target Keywords): Describe all existing keywords.
        (Add Options): Describe features for dg-add-options.
        (Require Support): Describe variants of dg-require-support.
        (Final Actions): Describe commands to use in dg-final.

2010-03-22  Michael Matz  <matz@suse.de>

        PR middle-end/43475
        * recog.c (validate_replace_rtx_group): Replace also in
        REG_EQUAL and REG_EQUIV notes.

2010-03-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43390
        * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
        sure vector extracts are type correct.

2010-03-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40106
        * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
        x * sqrt (x) even when optimizing for size if the target
        has native support for sqrt.

2010-03-22  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (make_decl_rtl_for_debug): Also clear
        flag_mudflap for the duration of make_decl_rtl call.

        PR debug/43443
        * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
        locs from preserved VALUEs.

2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/42718
        * pa.md (movmemsi): Set align to one if zero.
        (movmemdi): Likewise.

2010-03-21  Richard Earnshaw  <rearnsha@arm.com>

        PR target/42321
        * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
        with their corresponding prologue pushes.

2010-03-20  Andrew Pinski  <pinskia@gmail.com>

        PR target/43156
        * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
        at the begining or end.
        (spu_expand_epilogue): Likewise.

2010-03-20  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/43438
        * combine.c (make_extraction): Properly zero-/sign-extend an
        extraction of the low part of a CONST_INT.  Also handle
        CONST_DOUBLE.

2010-03-19  Mike Stump  <mikestump@comcast.net>

        * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
        * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
        (override_options): Use SUBTARGET32_DEFAULT_CPU.

2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>

        PR c/43211
        * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
        an error.

2010-03-19  Bernd Schmidt  <bernd.schmidt@codesourcery.com>

        PR rtl-optimization/42258
        * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
        use that may match DEF.

        PR target/40697
        * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
        the cost of loading the constant rather than assuming
        COSTS_N_INSNS (1).
        * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
        outer code is AND, do the same tests as the andsi3 expander and
        return COSTS_N_INSNS (1) if and is cheap.

        * optabs.c (avoid_expensive_constant): Fix formatting.

2010-03-19  Michael Matz  <matz@suse.de>

        PR c++/43116
        * attribs.c (decl_attributes): When rebuilding a function pointer
        type use the same qualifiers as the original pointer type.

2010-03-19  Martin Jambor  <mjambor@suse.cz>

        * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
        and is_gimple_ip_invariant_address.

2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        Revert
        2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Turn off
        flag_dwarf2_cfi_asm for AAPCS variants.

2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/43399
        * config/arm/arm.c (emit_multi_reg_push): Update comments.
        Use PRE_MODIFY instead of PRE_DEC.
        (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
        (vfp_emit_fstmd): Likewise.

2010-03-19  Michael Matz  <matz@suse.de>

        PR target/43305
        * builtins.c (expand_builtin_interclass_mathfn,
        expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
        if that fails.

2010-03-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43415
        * tree-ssa-pre.c (phi_translate): Split out worker to ...
        (phi_translate_1): ... this.
        (phi_translate): Move all caching here.  Cache all NARY
        and REFERENCE translations.

2010-03-19  David S. Miller  <davem@davemloft.net>

        With help from Eric Botcazou.
        * config/sparc/sparc.c: Include dwarf2out.h.
        (emit_pic_helper): Delete.
        (pic_helper_symbol_name): Delete.
        (pic_helper_emitted_p): Delete.
        (pic_helper_needed): New.
        (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
        (get_pc_thunk_name): New.
        (load_pic_register): Remove 'delay_pic_helper' arg.  Use
        get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
        Set pic_helper_needed to true.  Don't call emit_pic_helper.
        (sparc_expand_prologue): Update load_pic_register call.
        (sparc_output_mi_thunk): Likewise.
        (sparc_file_end): Emit a hidden comdat symbol for the PIC
        thunk if possible.  Output CFI information as needed.

2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
            Jack Howarth <howarth@bromo.med.uc.edu>

        PR target/36399
        * config/i386/i386.h: Fix ABI on darwin x86-32.

2010-03-18  Aldy Hernandez  <aldyh@redhat.com>

        * tree.h: Declare make_decl_rtl_for_debug.
        * varasm.c (make_decl_rtl_for_debug): New.
        * dwarf2out.c (rtl_for_decl_location): Call it.
        * cfgexpand.c (expand_debug_expr): Call it.

2010-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43399
        * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
        mem_mode.

        PR bootstrap/43403
        * var-tracking.c (vt_init_cfa_base): Do nothing if
        cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.

2010-03-18  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42873
        * var-tracking.c (canonicalize_vars_star): New.
        (dataflow_post_merge_adjust): Use it.

2010-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43058
        * var-tracking.c (non_suitable_const): New function.
        (add_uses): For DEBUG_INSNs with constants, don't record any
        value, instead just the constant value itself.
        (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
        is not VAR_LOC_UNKNOWN_P, set var to the constant.
        (emit_notes_in_bb): Likewise.
        (emit_note_insn_var_location): For onepart variables if
        cur_loc is a VOIDmode constant, use DECL_MODE.

2010-03-18  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/42450
        * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
        * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
        all non-clones.  Moved call redirection...
        (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
        (cgraph_materialize_all_clones): Dispose of all
        combined_args_to_skip bitmaps.
        (verify_cgraph_node): Do not check for edges pointing to wrong
        nodes in inline clones.
        * tree-inline.c (copy_bb): Call
        cgraph_redirect_edge_call_stmt_to_callee.
        * ipa.c (cgraph_remove_unreachable_nodes): Call
        cgraph_node_remove_callees even when there are used clones.

2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.

2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/43383
        * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
        for 32bit.

2010-03-18  Michael Matz  <matz@suse.de>

        PR middle-end/43419
        * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
        into sqrt(x) if we need to preserve signed zeros.

2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/43360
        * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
        note if we don't know its invariant status.

2010-03-18  Michael Matz  <matz@suse.de>

        PR tree-optimization/43402
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
        PHI chains of ssa names registered for update.

2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/42427
        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
        non-offsettable and pre_modify update addressing.
        * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
        and "2" alternatives "#".
        (*movdd_softfloat32): Make all alternatives "#";
        * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
        (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
        (*movdf_softfloat32): Make all alternatives "#";
        (movdi): Use the new DIFD mode iterator to create a common splitter
        for movdi, movdf and movdd patterns.

2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>

        * common.opt (dumpdir): Remove redundant tab.

2010-03-17  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43347
        * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
        original base is DECL_ARTIFICIAL or DECL_IGNORED_P.

2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR rtl-optimization/42216
        * regrename.c (create_new_chain): New function, broken out from...
        (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
        appending a use to an empty chain.
        (build_def_use): Remove previous changes that convert OP_INOUT to
        OP_OUT operands; instead detect the case where an OP_INOUT operand
        uses a previously untracked register and create an empty chain for it.

2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Function Attributes): Rewrite unfinished
        sentence in ms_abi documentation.

2010-03-17  Alan Modra  <amodra@gmail.com>

        * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
        * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
        * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.

2010-03-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/43365
        * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
        (lower_try_finally): Save and restore eh_seq around the expansion
        of the try-finally.

2010-03-16  Aldy Hernandez  <aldyh@redhat.com>

        * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
        statements before splitting block.

2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Testsuites): Fix markup.
        Use pathnames relative to gcc/testsuite.
        (Test Directives): Move description of how timeout is determined.
        (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
        (C Tests): Correct gcc.misc-tests directory.
        Framework tests now live in gcc.test-framework.

2010-03-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43379
        * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
        operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.

2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
            Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/42917
        * lambda-code.c (remove_iv): Skip debug statements.
        (lambda_loopnest_to_gcc_loopnest): Likewise.
        (not_interesting_stmt): Debug statements are not interesting.

2010-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43051
        PR debug/43092
        * cselib.c (cselib_preserve_constants,
        cfa_base_preserved_val): New static variables.
        (preserve_only_constants): New function.
        (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
        clear its REG_VALUES.  If cselib_preserve_constants, don't
        empty the whole hash table, but preserve there VALUEs with constants,
        cfa_base_preserved_val and cfa_base_preserved_val plus constant.
        (cselib_preserve_cfa_base_value): New function.
        (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
        (cselib_init): Change argument to int bitfield.  Set
        cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
        is in it.
        (cselib_finish): Clear cselib_preserve_constants and
        cfa_base_preserved_val.
        * cselib.h (enum cselib_record_what): New enum.
        (cselib_init): Change argument to int.
        (cselib_preserve_cfa_base_value): New prototype.
        * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
        * dse.c (dse_step1): Likewise.
        * cfgcleanup.c (thread_jump): Likewise.
        * sched-deps.c (sched_analyze): Likewise.
        * gcse.c (local_cprop_pass): Likewise.
        * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
        If FN is non-NULL, call the callback always and whenever it returns
        non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
        * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
        * combine.c (propagate_for_debug_subst): Add old_rtx argument,
        compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
        * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
        * var-tracking.c: Include recog.h.
        (bb_stack_adjust_offset): Remove.
        (vt_stack_adjustments): Don't call it, instead just gather the
        adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
        (adjust_stack_reference): Remove.
        (compute_cfa_pointer): New function.
        (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
        (struct adjust_mem_data): New type.
        (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
        functions.
        (get_address_mode): New function.
        (replace_expr_with_values): Use it.
        (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
        Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
        (adjust_sets): Remove.
        (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
        Use get_address_mode.
        (get_adjusted_src): Remove.
        (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
        MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
        (add_with_sets): Don't call adjust_sets.
        (fp_setter, vt_init_cfa_base): New functions.
        (vt_initialize): Change return type to bool.  Move most of pool etc.
        initialization to the beginning of the function from end.  Pass
        CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
        If !frame_pointer_needed, call vt_stack_adjustment before mos
        vector is filled, call vt_init_cfa_base if argp/framep has been
        eliminated to sp.  If frame_pointer_needed and argp/framep has
        been eliminated to hard frame pointer, set
        hard_frame_pointer_adjustment and call vt_init_cfa_base after
        encountering fp setter in the prologue.  For MO_ADJUST, call
        log_op_type before pusing the op into mos vector, not afterwards.
        Call adjust_insn before cselib_process_insn/add_with_sets,
        call cancel_changes (0) afterwards.
        (variable_tracking_main_1): Adjust for vt_initialize calling
        vt_stack_adjustments and returning whether it succeeded or not.

2010-03-15  Aldy Hernandez  <aldyh@redhat.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
        debug statements.

2010-03-15  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
        has been set.
        (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
        drap_reg has not been set.

2010-03-15  Michael Matz  <matz@suse.de>

        PR middle-end/43300
        * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
        use it to expand block copies.
        (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
        insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
        (insert_value_copy_on_edge): Use store_expr for BLKmode values.

2010-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43367
        * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
        elimination check.

2010-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43317
        * ipa-struct-reorg.c (create_new_general_access): Update stmt.

2010-03-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43141
        * tree-sra.c (create_abstract_origin): New function.
        (modify_function): Call create_abstract_origin.

2010-03-15  Chris Demetriou  <cgd@google.com>

        * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
        wasn't copied.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43354
        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
        call insert_out_of_ssa_copy for default definitions.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (my_long_long): Defined.
        (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
        * graphite-sese-to-poly.c (my_long_long): Defined.
        (scop_ivs_can_be_represented): Use it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
        graphite-max-bbs-per-function, and loop-block-tile-size.
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
        with "maximum".
        (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
        forward declaration.
        * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
        (add_upper_bounds_from_estimated_nit): New.
        (build_loop_iteration_domains): Use it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43306
        * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
        should be an INTEGER_CST.  Also handle CASE_CONVERT.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_initialize): To bound the number of bbs per
        function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
        * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
        * doc/invoke.texi: Document it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
        * graphite-sese-to-poly.h (build_poly_scop): Same.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
        the number of parameters in the scop.  Use as an upper bound
        PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
        * doc/invoke.texi: Document it.

2010-03-13  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
        * doc/c-tree.texi: Remove.
        * doc/generic.texi: Merge c-tree.texi here.
        * doc/gccint.texi (Trees): Remove menu entry.
        (c-tree.texi): Remove @include.
        * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
        * doc/languages.texi (Reading RTL): Ditto.

2010-03-12  Steve Ellcey  <sje@cup.hp.com>

        PR target/42869
        * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.

2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR middle-end/42431
        * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
        code added to work around reload clobbering CONST insns.

2010-03-12  Jakub Jelinek  <jakub@redhat.com>

        * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
        (cselib_preserve_definitely, cselib_clear_preserve): Remove.
        (cselib_preserve_only_values): Remove retain argument, don't
        traverse hash table with cselib_{preserve_definitely,clear_preserve}.
        * cselib.h (cselib_preserve_only_values): Remove retain argument.
        * var-tracking.c (micro_operation): Move insn field before union.
        Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
        (struct variable_tracking_info_def): Remove n_mos field, change
        mos into a vector of micro_operations.
        (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
        (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
        compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
        changing into a vector.
        (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
        come before all other uops generated by add_stores.
        (vt_add_function_parameters): Adjust for cselib_preserve_only_values
        argument removal.
        (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
        a vector.  Run just one pass over the bbs instead of separate counting
        and computation phase.
        (vt_finalize): Free VTI (bb)->mos vector instead of array.

        PR debug/43329
        * tree-inline.c (remap_decls): Put old_var rather than origin_var
        into *nonlocalized_list vector.
        * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
        even if origin is non-NULL.
        (gen_variable_die): Likewise.
        (process_scope_var): Don't change origin.
        (gen_decl_die): Likewise.
        * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
        before adding new edges instead of after it, fix moving over
        debug stmts.

2010-03-11  David S. Miller  <davem@davemloft.net>

        * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
        of four.
        * configure: Rebuild.

2010-03-11  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43257
        * tree.c (assign_assembler_name_if_neeeded): New function.
        (free_lang_data_in_cgraph): Assembler name assignment moved to the
        above new function.
        * tree.h (assign_assembler_name_if_neeeded): Declare.
        * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
        the function if needed.

2010-03-11  Chris Demetriou  <cgd@google.com>

        * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
        include/stdint-gcc.h, and include/stdint.h world-readable.

2010-03-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43255
        * tree-vrp.c (process_assert_insertions_for): Do not insert
        asserts for trivial conditions.

2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR tree-optimization/43280
        * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
        generation.  Move calculation of size out of the if branch.
        (find_bswap): Modify compare number generation.

2010-03-11  Richard Guenther  <rguenther@suse.de>

        PR lto/43200
        * lto-streamer-in.c (maybe_fixup_decls): Simplify.
        (input_gimple_stmt): Fixup handled component types during
        operand read.  Also fix up decls in ADDR_EXPRs.

2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
        * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.

2010-03-10  Jan Hubicka  <jh@suse.cz>

        PR c/43288
        * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
        * varasm.c (get_variable_section): Don't do that here...
        (make_decl_rtl): ... and here.
        (do_assemble_alias): Produce decl RTL.
        (assemble_alias): Likewise.

2010-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43290
        * reg-notes.def (REG_CFA_SET_VDRAP): New note.
        * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
        of fde->vdrap_reg.
        (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
        (based_loc_descr): Only express drap or vdrap regno based expressions
        using DW_OP_fbreg when not optimizing.
        * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
        make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
        REG_CFA_SET_VDRAP note.

2010-03-10  Alexander Monakov  <amonakov@ispras.ru>

        PR tree-optimization/43236
        * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
        error in calculation of base address in reverse iteration case.
        (generate_builtin): Take number of latch executions if the statement
        is in the latch.

2010-03-10  Andrey Belevantsev  <abel@ispras.ru>

        PR middle-end/42859
        * tree-eh.c: Include pointer-set.h.
        (lower_eh_dispatch): Filter out duplicate case labels and
        remove the unneeded edge when the label is unused.  Return
        true when some edges are removed.
        (execute_lower_eh_dispatch): When any lowering resulted in
        removing an edge, also delete unreachable blocks.

2010-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43287
        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
        UNSPEC_MACHOPIC_OFFSET.

2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>

        PR target/43294
        * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
        (m68k_delegitimize_address): New function.

2010-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43299
        * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.

        PR debug/43299
        * var-tracking.c (adjust_sets): New function.
        (count_with_sets, add_with_sets): Use it.
        (get_adjusted_src): New inline function.
        (add_stores): Use it.

        PR debug/43304
        * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
        call cselib_dummy_expand_value_rtx_cb instead of
        cselib_expand_value_rtx_cb.

        PR debug/43293
        * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
        * config/i386/i386.c: Include debug.h and dwarf2out.h.
        (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
        and .cfi_endproc around the pic thunks.
        (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
        all queued unwind info register saves are saved before the call.
        For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
        considered as sp-=4 for unwind info and the pop as sp+=4 which
        also clobbers dest, but doesn't actually restore it.

        PR debug/43290
        * config/i386/i386.c (ix86_get_drap_rtx): Don't set
        RTX_FRAME_RELATED_P.

2010-03-09  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
        whitespaces in output template.

2010-03-09  Jie Zhang  <jie@codesourcery.com>

        * ira-lives.c (check_and_make_def_use_conflict): Don't fall
        out array boundary.

2010-03-08  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
        builtins.exp in a separate job.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Use
        lower_bound_in_type and upper_bound_in_type.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
        instead of unsigned_type_node.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
            Reza Yazdani  <reza.yazdani@amd.com>

        PR middle-end/43065
        * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
        on pointer type parameters.

2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/42644
        PR middle-end/42130
        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
        handle conversions from pointer to integers.
        (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
        induction variable, to be able to work with code generated by CLooG.
        * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
        (build_poly_scop): Bail out if we cannot codegen a loop.

2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
        code generation with gloog_error.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
        Call fold_convert on all the returned values.
        (expand_scalar_variables_expr): Pass to
        expand_scalar_variables_ssa_name the type of the resulting expression.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
        ppl_min_for_le_pointset.
        Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
        * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (map_into_dep_poly): Removed.
        (dependence_polyhedron_1): Use combine_context_id_scat.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (struct poly_scattering): Add layout documentation.
        (struct poly_bb): Same.
        (combine_context_id_scat): New.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42326
        * sese.c (name_defined_in_loop_p): Return false for default
        definitions.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
        and clean up the logic.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
        early return.

2010-03-08  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (remove_cselib_value_chains): Define only for
        ENABLE_CHECKING.
        (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
        delete_slot_part, emit_notes_for_differences_1): Don't call
        remove_cselib_value_chains here.
        (set_slot_part, emit_notes_for_differences_2): Don't call
        add_cselib_value_chains here.
        (preserved_values): New vector.
        (preserve_value): New function.
        (add_uses, add_stores, vt_add_function_parameters): Use it
        instead of cselib_preserve_value.
        (changed_values_stack): New vector.
        (check_changed_vars_0): New function.
        (check_changed_vars_1, check_changed_vars_2): Use it.
        (emit_notes_for_changes): Call set_dv_changed (*, false) on all
        changed_values_stack VALUEs.
        (vt_emit_notes): For all preserved_values call
        add_cselib_value_chains.  If ENABLE_CHECKING call
        remove_cselib_value_chains before verifying value_chains is empty.
        Initialize and free changed_values_stack.
        (vt_initialize): Initialize preserved_values.
        (vt_finalize): Free preserved_values.

2010-03-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43269
        * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
        region detection.

2010-03-08  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
        (ipa_is_param_called): Removed.
        * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
        (ipa_print_node_params): Do not print the called flag.
        (ipa_write_node_info): Do not stream the called flag.
        (ipa_read_node_info): Likewise.

2010-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43176
        * Makefile.in (var-tracking.o): Depend on pointer-set.h.
        * cselib.c (struct expand_value_data): Add dummy field.
        (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
        dummy to false.
        (cselib_dummy_expand_value_rtx_cb): New function.
        (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
        any rtl.
        * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
        * var-tracking.c: Include pointer-set.h.
        (variable): Change n_var_parts to char from int.  Add
        cur_loc_changed and in_changed_variables fields.
        (variable_canonicalize): Remove.
        (shared_var_p): New inline function.
        (unshare_variable): Maintain cur_loc_changed and
        in_changed_variables fields.  If var was in changed_variables,
        replace it there with new_var.  Just copy cur_loc instead of
        resetting it to something else.
        (variable_union): Don't recompute cur_loc.  Use shared_var_p.
        (dataflow_set_union): Don't call variable_canonicalize.
        (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
        of their DEBUG_EXPR_TREE_DECLs.
        (canonicalize_loc_order_check): Verify that cur_loc is NULL
        and in_changed_variables and cur_loc_changed is false.
        (variable_merge_over_cur): Clear cur_loc, in_changed_variables
        and cur_loc_changed.  Don't update cur_loc here.
        (variable_merge_over_src): Don't call variable_canonicalize.
        (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
        removing loc that is equal to cur_loc, clear cur_loc,
        set cur_loc_changed and ensure variable_was_changed is called.
        (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
        compare pointers in cur_loc check, if it is equal to loc,
        clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
        (variable_different_p): Remove compare_current_location argument,
        don't compare cur_loc.
        (dataflow_set_different_1): Adjust variable_different_p caller.
        (variable_was_changed): If dv had some var in changed_variables
        already, reset in_changed_variables flag for it and propagate
        cur_loc_changed over to the new variable.  On empty var
        always set cur_loc_changed.  Set in_changed_variables on whatever
        var is added to changed_variables.
        (set_slot_part): Clear cur_loc_changed and in_changed_variables.
        Use shared_var_p.  When removing loc that is equal to cur_loc,
        clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
        end, don't set it to something else, just call variable_was_changed.
        (delete_slot_part): Use shared_var_p.  When cur_loc equals to
        loc being removed, clear cur_loc and set cur_loc_changed.
        Set cur_loc_changed if all locations have been removed.
        (struct expand_loc_callback_data): New type.
        (vt_expand_loc_callback): Add dummy mode in which no rtxes are
        allocated.  Always create SUBREGs if simplify_subreg failed.
        Prefer to use cur_loc, when that fails and still in
        changed_variables (and seen first time) recompute it.  Set
        cur_loc_changed of variables which had to change cur_loc and
        compute elcd->cur_loc_changed if any of the subexpressions used
        had to change cur_loc.
        (vt_expand_loc): Adjust to pass arguments in
        expand_loc_callback_data structure.
        (vt_expand_loc_dummy): New function.
        (emitted_notes): New variable.
        (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
        that weren't used for any other decl in current
        emit_notes_for_changes call call vt_expand_loc_dummy to update
        cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
        first loc_chain location if NULL before.  Always use just
        cur_loc instead of first loc_chain location.  When cur_loc_changed
        is false, when not --enable-checking=rtl just don't emit any note.
        When rtl checking, compute the note and assert it is the same
        as previous note.  Clear cur_loc_changed and in_changed_variables
        at the end before removing from changed_variables.
        (check_changed_vars_3): New function.
        (emit_notes_for_changes): Traverse changed_vars to call
        check_changed_vars_3 on each changed var.
        (emit_notes_for_differences_1): Clear cur_loc_changed and
        in_changed_variables.  Recompute cur_loc of new_var.
        (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
        (vt_emit_notes): Initialize and destroy emitted_notes.

2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR rtl-optimization/42220
        * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
        Use verify_reg_tracked to determine if we should use OP_OUT rather
        than OP_INOUT.
        (build_def_use): If we see an in-out operand for a register that we
        know nothing about, treat is an output if possible, fail the block if
        not.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42897
        * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
        permanently.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42897
        * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
        uses of relevant DEFs that are dead outside the loop too.

2010-03-06  Alexandre Oliva <aoliva@redhat.com>

        * var-tracking.c (dataflow_set_merge): Swap src and src2.
        Reverted:
        2010-01-13  Jakub Jelinek  <jakub@redhat.com>
        PR debug/41371
        * var-tracking.c (values_to_unmark): New variable.
        (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
        values_to_unmark vector.  Moved body to...
        (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
        instead queue it into values_to_unmark vector.
        (vt_find_locations): Free values_to_unmark vector.

2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>

        * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
        (site.exp): Export them when plugins are enabled.

2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42326
        * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
        that contain scevs.
        (chrec_fold_multiply): Same.

2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>

        PR c/43248
        * c-decl.c (build_compound_literal): Return early if init is
        an error_mark_node.

2010-03-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43164
        PR tree-optimization/43191
        * tree-sra.c (type_consists_of_records_p): Reject records with
        zero-size bit-fields at the end.

2010-03-04  Mike Stump  <mikestump@comcast.net>

        * Makefile.in (TAGS): Remove *.y.

2010-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40761
        * tree-ssa-pre.c (compute_antic): Walk reverse postorder
        in reverse order.
        (my_rev_post_order_compute): New function.
        (init_pre): Call it.

2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/43209
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
        decrease the cost of an IV candidate when the cost is infinite.

2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
        Use '3DNow!' for the extension of that name, ensure normal space
        after the string.
        * doc/invoke.texi (i386 and x86-64 Options): Likewise.

2010-03-03  Jeff Law  <law@redhat.com>

        * PR middle-end/32693
        * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
        than gen_rtx_SUBREG.
        (extract_bit_field_1): Likewise.

2010-03-03  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test directives): Document that arguments
        include-opts and exclude-opts are now optional for dg-skip-if,
        dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.

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

        PR c++/12909
        * cgraph.h (varpool_node): Add extra_name field.
        * varpool.c (varpool_extra_name_alias): New.
        (varpool_assemble_decl): Emit extra name aliases.
        (varpool_mark_needed_node): Look past an extra name alias.
        * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
        * lto-streamer-in.c (lto_input_tree): Read it.
        * lto-streamer-out.c (output_unreferenced_globals): Write it.

2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
        (sparc*-*-solaris2*): ...this.

2010-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43229
        * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
        WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
        ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
        FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.

        PR debug/43237
        * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
        fallthrough to default handling, just with want_address 0 instead of 2.
        For single element lists, add_AT_loc directly, otherwise create an
        artificial variable DIE and stick location list to it.

        PR debug/43177
        * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
        (VAL_EXPR_HAS_REVERSE): Define.
        (reverse_op): New function.
        (add_stores): For reversible operations add an extra MO_VAL_USE.

2010-03-02  Jason Merrill  <jason@redhat.com>

        * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.

2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
        (sparc64-*-linux*): Likewise.
        (sparc64-*-solaris2*): Include assembler files before linker ones.
        (sparc-*-solaris2*): Simplify and reorder to match previous case.
        * config/sparc/gas.h: Delete.
        * config/sparc/sol2-64.h: Add copyright notice.
        * config/sparc/sol2-gas-bi.h: Likewise.
        * config/sparc/sol2-gld.h: Likewise.
        * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
        * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
        * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
        * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
        (sparc_elf_asm_named_section): Rename into...
        (sparc_solaris_elf_asm_named_section): ...this.  Always define.

2010-03-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (override_options): Fix -mtune error message.

2010-03-02  Jeff Law  <law@redhat.com>

        PR middle-end/42431
        * reload1.c (rtx_p, substitute_stack): Declare.
        (substitute): Record addresses of changed rtxs.
        (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
        Restore the original rtx when complete.
        (reload): Free subsitute_stack when complete.

2010-03-02  Janis Johnson  <janis187@us.ibm.com>

        * doc/gccint.texi (menu): Add Testsuites as a chapter.
        * doc/sourcebuild.texi (Testsuites): Move up a level to be a
        new chapter.
        (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
        LTO Testing, gcov Testing, profopt Testing, compat Testing,
        Torture Tests): Change from subsection to section.

2010-03-02  Jakub Jelinek  <jakub@redhat.com>
            Steven Bosscher  <steven@gcc.gnu.org>

        * var-tracking.c (vt_initialize): Scan insns in ebb chunks
        instead of bb.

2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>

        PR middle-end/42640
        * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
        the assignment from the new induction variable to the assignment
        of the value from the original loop PHI function.

2010-03-01  Janis Johnson  <janis187@us.ibm.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * doc/sourcebuild.texi (Test directives): Clarify options to
        dg-skip-if.

2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
        Disable cfi directives unless GCC and gas agree on using read-only
        .eh_frame sections for 64-bit.
        * configure: Regenerate.

2010-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43220
        * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
        BUILT_IN_STACK_{SAVE,RESTORE} around alloca.

2010-03-01  Richard Guenther  <rguenther@suse.de>
            Martin Jambor  <mjambor@suse.cz>

        PR middle-end/41250
        * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
        gimplified parameters.

2010-03-01  Christian Bruel  <christian.bruel@st.com>

        * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.

2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.

2010-03-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43213
        * expr.c (expand_assignment): Use the alias-oracle to tell
        if the rhs aliases the result decl.

2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR pch/14940
        * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
        to sol_gt_pch_get_address.
        (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
        64-bit, SPARC and x86.
        (sol_gt_pch_get_address): New function.

2010-03-01  Marco Poletti  <poletti.marco@gmail.com>

        * toplev.h (inform_n, error_n): Declare.
        * diagnostic.c (inform_n, error_n): New function.

2010-03-01  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
        has no rtl yet when processing local_decls, queue it and recheck
        if deferred stack allocation hasn't assigned it rtl.

2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (unspec_bbr_uid): New.
        (gen_block_redirect): Use it instead of INSN_UID.
        (gen_far_branch): Likewise.

2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
        it the same as TARGET_SUBTARGET64_ISA_DEFAULT.

2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Warning Options, RX Options): Fix typos.
        (Warning Options): -Wno-conversion-null is valid for
        Objective-C++ as well.
        * doc/tm.texi (Named Address Spaces): Likewise.
        * doc/plugins.texi (Plugins): Replace TABs with spaces.
        * doc/tree-ssa.texi (Tree SSA): Likewise.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/43202
        * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
        by default.  Don't set the default arch for
        i[34567]86-*-darwin*|x86_64-*-darwin*.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/43202
        * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
        default.  Set the default 32bit/64bit archs with $with_arch
        instead of $arch for i[34567]86-*-*|x86_64-*-* targets.

2010-02-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43186
        * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
        * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
        unroller iterations.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
        required and i[34567]86-*-* targets don't support 64bit ISA.

2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/43096
        * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
        the same alias set.

2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set the default arch at least to Prescott for
        i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
        if SSE math is enabled.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * diagnostic.c (diagnostic_initialize): Update.
        (diagnostic_report_diagnostic): Test inhibit_notes_p for
        informative notes.
        * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
        (diagnostic_inhibit_notes): New.
        * toplev.c (process_options): inhibit notes with -fcompare-debug.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/20631
        * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
        * doc/standards.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/trouble.texi: Likewise.
        * doc/cppopts.texi: Likewise.
        * doc/install.texi: Likewise.
        * c.opt (std=c90,std=gnu90): New options.
        * c-opts.c (c_common_handle_option): Handle them.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/24577
        * c-decl.c (undeclared_variable): Use an informative note.

2010-02-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43186
        * gimple.h (gimple_fold): Remove.
        * gimple.c (gimple_fold): Remove.  Inline into single user ...
        * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
        Try harder for conditions.

2010-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43190
        * function.c (used_types_insert): Don't skip through named pointer
        types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
        and it is different from the main variant's type.

2010-02-26  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (sminsi3): Remove bogus alternative.

2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Support --with-fpmath=sse for x86.

        * config/i386/ssemath.h: New.

        * doc/install.texi (--with-fpmath=sse): Documented.

2010-02-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43188
        * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
        vector types of over-aligned element type.

2010-02-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43175
        * config/i386/i386.c (expand_vec_perm_blend): Use correct
        operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.

2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.

2010-02-26  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
        * var-tracking.c: Include diagnostic.h.
        (debug_dv): New function.
        (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.

        PR debug/43160
        * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
        (add_value_chain, add_value_chains, remove_value_chain,
        remove_value_chains): Handle DEBUG_EXPRs.
        (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.

        PR debug/43161
        * regcprop.c (struct queued_debug_insn_change): New type.
        (struct value_data_entry): Add debug_insn_changes field.
        (struct value_data): Add n_debug_insn_changes field.
        (debug_insn_changes_pool): New variable.
        (free_debug_insn_changes, apply_debug_insn_changes,
        cprop_find_used_regs_1, cprop_find_used_regs): New functions.
        (kill_value_one_regno): Call free_debug_insn_changes if needed.
        (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
        fields.
        (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
        changes for them.
        (copyprop_hardreg_forward_1): Don't call apply_change_group for
        DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
        changes, call cprop_find_used_regs via note_stores.
        (copyprop_hardreg_forward): When copying vd from predecessor
        which has any queued DEBUG_INSN changes, make sure the pointers are
        cleared.  At the end call df_analyze and then if there are any
        DEBUG_INSN changes queued at the end of some basic block for still
        live registers, apply them.
        (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.

2010-02-25  Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
        (arm*-*-*): Ditto.

2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
        targets.  Set the default with_cpu/with_arch from arch/cpu.
        Allow x86-64 and native for with_cpu/with_arch.

2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>

        * ebitmap.c: Change calls to verify_popcount with calls to
        sbitmap_verify_popcount.
        (ebitmap_clear_bit): Fixed map->cacheindex test and
        map>cache update when bit clearing results in an empty
        element.

2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/43154
        * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
        (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
        and support both V2DF and V2DI modes.
        (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
        support both V2DF and V2DI modes.
        (general): Delete trailing whitespace from a few patterns.

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        V2DF/V2DI interleave high/low builtins.

        * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
        new VSX builtins.

        * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
        interleave high/low functions.

2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
        #pragma extern_prefix.

2010-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43166
        * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
        BLKmode, assert op0 is a MEM and just adjust its mode.

        PR debug/43165
        * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
        if bitpos isn't multiple of mode's bitsize.

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (-ftemplate-depth=): New.
        (-ftemplate-depth-): Deprecate.
        * optc-gen.awk: Handle -ftemplate-depth=.
        * opth-gen.awk: Likewise.
        * c-opts.c (c_common_handle_option): Likewise.
        * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.

2010-02-24  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi: Improve -Wabi and -fabi-version docs.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * cfg.c (alloc_aux_for_block): Remove inline.
        (alloc_aux_for_edge): Likewise.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
        * config/i386/sol2-gas.h: New file.
        * config.gcc (i[34567]86-*-solaris2*): Use it.

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/43128
        * c-typeck.c (ep_convert_and_check): New.
        (build_conditional_expr): Use it.
        (build_binary_op): Likewise.

2010-02-24  Jakub Jelinek  <jakub@redhat.com>

        * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.

        PR debug/43150
        * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
        bounds even for -O+.
        * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
        expr needs to have DECL_NAME set.

2010-02-24  Nick Clifton  <nickc@redhat.com>

        * config/mep/mep.c: Include gimple.h.
        (mep_function_uses_sp): Delete unused function.
        (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
        parameters.  Use unsigned integers to count args.  Return a
        NULL_RTX instead of an error_mark_node.  Toidy up formatting.

2010-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/43107
        * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
        greater or equal to nelt instead of 2 * nelt.
        (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
        with nelt - 1.

2010-02-23  Jason Merrill  <jason@redhat.com>

        PR debug/42800
        * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
        in cfun->local_decls even if they have register types.

        PR c++/42837
        * stor-layout.c (place_field): Don't warn about unnecessary
        DECL_PACKED if the type is packed.

2010-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/43139
        * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
        GOTOFF relocs, even when the base reg isn't pic pointer.

2010-02-23  Michael Matz  <matz@suse.de>

        PR debug/43077
        * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
        (expand_gimple_basic_block): Generate and use debug temps if there
        are debug uses left after the last real use of TERed ssa names.
        Unlink debug immediate uses when they are expanded.

2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 43123
        * config/i386/i386.c (override_options): Reorganise to provide
        better error messages.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43083
        * graphite-scop-detection.c (create_single_exit_edge): Move
        the call to find_single_exit_edge to....
        (create_sese_edges): ...here.  Don't handle multiple edges
        exiting the function.
        (build_graphite_scops): Don't handle multiple edges
        exiting the function.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43097
        * sese.c (get_rename): Assert that old_name is an SSA_NAME.
        (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43026
        * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.

2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/43126
        * c-typeck.c (convert_arguments): Print declaration location.
        * c-common.c (validate_nargs): Rename as
        builtin_function_validate_nargs.
        (check_builtin_function_arguments): Update.

2010-02-22  Richard Guenther  <rguenther@suse.de>

        PR lto/43045
        * tree-inline.c (declare_return_variable): Use the type of
        the call stmt lhs if available.

2010-02-22  Duncan Sands  <baldrick@free.fr>

        * passes.c (register_pass): Always consider all pass lists when
        ref_pass_instance_number is zero.

2010-02-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42749
        * tree-tailcall.c (adjust_return_value_with_ops): Drop update
        parameter.  Do arithmetic in the original type.
        (update_accumulator_with_ops): Likewise.
        (adjust_accumulator_values): Adjust.

2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
        (QI to BLKmode splitter): New splitter.

2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (initial_ix86_tune_features): Turn on
        X86_TUNE_INTER_UNIT_MOVES for m_ATOM.

2010-02-22  Richard Guenther  <rguenther@suse.de>

        * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.

2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>

        Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
        * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
        ($(T)crti.o, $(T)crtn.o): Remove rules.

2010-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35259
        * doc/invoke.texi (-fassociative-math): Document that this
        option is automatically enabled for Fortran.

2010-02-20  David S. Miller  <davem@davemloft.net>

        * configure.ac: Test if linker and assembler properly support
        GOTDATA_OP relocations.
        * configure: Rebuild.
        * config.in: Likewise.
        * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
        (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
        (movsi_high_pic): Likewise.
        (movdi_lo_sum_pic): Likewise.
        (movdi_high_pic): Likewise.
        (movsi_pic_gotdata_op): New pattern.
        (movdi_pic_gotdata_op): Likewise.
        * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
        emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.

2010-02-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43067
        * config/i386/sse.md (xop_mulv2div2di3_low): Change type
        attribute to ssemul.
        (xop_mulv2div2di3_high): Ditto.

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/35669
        * c.opt (Wconversion-null): New option.
        * doc/invoke.texi (Wconversion-null): Document.

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * common.opt (Wlarger-than-): Add Undocumented.

2010-02-19  Mike Stump  <mikestump@comcast.net>

        * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.

2010-02-19  Jason Merrill  <jason@redhat.com>

        PR target/40332
        * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
        * configure: Likewise.

2010-02-20  Alan Modra  <amodra@gmail.com>

        PR middle-end/42344
        * cgraph.h (cgraph_make_decl_local): Declare.
        * cgraph.c (cgraph_make_decl_local): New function.
        (cgraph_make_node_local): Use it.
        * cgraphunit.c (cgraph_function_versioning): Likewise.
        * ipa.c (function_and_variable_visibility): Likewise.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43121
        * except.c (sjlj_emit_function_enter): Don't call
        add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
        directly.
        * rtl.h (add_reg_br_prob_note): Remove prototype.

2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 41779
        * c-common.c (conversion_warning): Remove widening conversions
        before checking the conversion of integers to reals.

2010-02-19  Mike Stump  <mikestump@comcast.net>

        PR middle-end/43125
        * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.

        PR objc/43061
        * cgraphunit.c (process_function_and_variable_attributes): Check
        DECL_PRESERVE_P instead of looking up attribute "used".
        * ipa-pure-const.c (check_decl): Likewise.
        * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
        * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
        * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
        instead of attribute "used".
        * config/sol2-c.c (solaris_pragma_init): Likewise.
        (solaris_pragma_fini): Likewise.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
        Use XCNEW instead of xcalloc.
        (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
        XNEW instead of xmalloc.
        (get_fields): Use XNEWVEC instead of xmalloc.

        PR debug/43084
        * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
        populate vars array.
        (create_new_general_access): For debug stmts just reset value.
        (get_stmt_accesses): For accesses within debug stmts just record them
        using add_access_to_acc_sites instead of preventing the peeling or
        counting them as accesses.

        PR middle-end/42233
        * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.

2010-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42916
        * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
        instructions.

2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>

        * configure.ac: Replace all uses of changequote in macro arguments
        with proper quoting.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/42233
        * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.

2010-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42944
        * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
        test for aliasing with errno.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/42233
        * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
        do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
        * dojump.c: Include output.h.
        (inv): New inline function.
        (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
        do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
        do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
        do_jump_by_parts_equality, do_compare_and_jump): Add PROB
        argument, pass it down to other calls.
        (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
        add REG_BR_PROB note to the conditional jump.
        * cfgexpand.c (add_reg_br_prob_note): Removed.
        (expand_gimple_cond): Don't call it, add the probability
        as last argument to jumpif_1/jumpifnot_1.
        * Makefile.in (dojump.o): Depend on output.h.
        * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
        callers.
        * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
        * stmt.c (do_jump_if_equal): Likewise.
        * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
        * loop-unswitch.c (compare_and_jump_seq): Likewise.
        * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
        Likewise.
        * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
        * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
        jumpifnot_1 callers.
        (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
        callers.
        (store_expr): Adjust jumpifnot caller.
        (store_constructor): Adjust jumpif caller.

        PR middle-end/42233
        * gimplify.c (gimple_boolify): For __builtin_expect call
        gimple_boolify also on its first argument.

2010-02-18  Uros Bizjak  <ubizjak@gmail.com>

        * configure.ac (gnu-unique-object): Wrap regexps using [] in
        changequote block.
        (__stack_chk_fail): Ditto.  Remove quadrigraphs.
        * configure: Regenerated.

2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
        lang_hooks.types_compatible_p instead of comptypes.

2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>

        * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
        (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
        if __prefer_thumb__ is defined.

2010-02-18  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43066
        * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
        array with zero-sized element type.

2010-02-18  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_var_loc_to_decl): Change last argument to
        rtx, allocate struct var_loc_node here and return it to the
        caller, and only if it is actually needed.
        (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
        move it earlier and return immediately if it returns NULL.

2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>

        * config/sparc/gas.h: New file.  Restore
        TARGET_ASM_NAMED_SECTION to its ELF default.
        * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
        check !HAVE_GNU_AS.
        * config/sparc/sparc.c (sparc_elf_asm_named_section):
        Likewise.  Add ATTRIBUTE_UNUSED to prototype.
        * config.gcc (sparc*-*-linux*): Include sparc/gas.h
        after sparc/sysv4.h.

2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.

2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>

        * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
        patterns from predicated pattern.

2010-02-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43103
        * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
        for insn mnemonic suffix.

2010-02-17  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
        to loop PHI nodes.

2010-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/42918
        * caller-save.c (save_call_clobbered_regs): If BB ends with
        a DEBUG_INSN, move any notes in between last real insn and the last
        DEBUG_INSN after the last DEBUG_INSN.

2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>

        * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
        Fix return type.  Fix argument type.  Explain meaning of return value.

2010-02-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41043
        * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
        (vrp_visit_assignment_or_call): Do not ask SCEV for regular
        statements ...
        (vrp_visit_phi_node): ... but only for loop PHI nodes.

2010-02-16  Ira Rosen <irar@il.ibm.com>

        PR tree-optimization/43074
        * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
        * tree-vect-loop.c (vect_analyze_loop_operations): Add
        vectorizable cycles in hybrid SLP check.
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.

2010-02-16  Richard Guenther  <rguenther@suse.de>

        * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
        (true_dependence): If memrefs_conflict_p computes must-alias
        trust it.  Move TBAA check after offset-based disambiguation.
        (canon_true_dependence): Likewise.

2010-02-16  Alexandre Oliva  <aoliva@redhat.com>

        * params.def (PARAM_MAX_VARTRACK_SIZE): New.
        * doc/invoke.texi: Document it.
        * var-tracking.c: Include toplev.h and params.h.
        (vt_find_locations): Return bool indicating success.  Compute
        hash sizes unconditionally.  Check new parameter, report.
        (variable_tracking_main_1): Check vt_find_locations results and
        retry.  Renamed from...
        (variable_tracking_main): ... this.  New wrapper to preserve
        flag_var_tracking_assignments.
        * Makefile.in (var-tracking.o): Adjust dependencies.

2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
            Jakub Jelinek <jakub@redhat.com>

        PR target/42854
        * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
        if weak_import attribute is present.
        * config/darwin.c (machopic_select_section): Likewise.

2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
        (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
        (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
        (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
        Fix argument types.

        * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
        Rewrite text to refer to the names.

2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>

        * config/i386/i386-builtin-types.def
        (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
        (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
        (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
        (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
        * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
        IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
        IX86_BUILTIN_VPERMIL2PS256.
        (MULTI_ARG_4_DF2_DI_I): Defined.
        (MULTI_ARG_4_DF2_DI_I1): Defined.
        (MULTI_ARG_4_SF2_SI_I): Defined.
        (MULTI_ARG_4_SF2_SI_I1): Defined.
        (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
        __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
        __builtin_ia32_vpermil2ps256.
        (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
        MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
        MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
        (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
        MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
        MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
        CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
        CODE_FOR_xop_vpermil2v8sf3.
        * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
        * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
        * config/i386/xopintrin.h (_mm_permute2_pd): New.
        (_mm256_permute2_pd): New.
        (_mm_permute2_ps): New.
        (_mm256_permute2_ps): New.

2010-02-15  Nick Clifton  <nickc@redhat.com>

        * config/h8300/h8300.c (h8300_push_pop): Use bool type for
        boolean parameters.  Use emit_jump_insn when emitting a pop
        instruction containing a return insn.
        (push): Use 'true' rather than '1' as second parameter to F.
        (h8300_expand_prologue): Likewise.
        Use 'true' and 'false' for boolean parameters to h8300_push_pop.
        (h8300_expand_epilogue): Likewise.

2010-02-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43068
        * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
        if that is zero.

2010-02-15  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
        delta.

2010-02-14  Marco Poletti  <poletti.marco@gmail.com>

        * intl.c (fake_ngettext): New function.
        * intl.h (fake_ngettext): Declare.
        (ngettext): Define macro.
        * collect2.c (notice_translated): New function.
        (main): Use notice_translated and ngettext.
        * collect2.h (notice_translated): Declare.

2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>

        * reorg.c (delete_computation): Comment fixes.
        * caller-save.c (setup_save_areas): Idem.
        * sel-sched-dump.c (dump_lv_set): Idem.
        * rtl.def: Idem.

2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_sched_init): New function.
        (TARGET_SCHED_INIT): Target hook defined.

2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>
            Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>

        PR target/42982
        Partial revert of unintended change in fix for PR41605.
        * config/darwin.h: Fix typo.
        * config/darwin9.h: Same.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

        * c-pch.c (pch_init): Clear v.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42930
        * graphite-scop-detection.c (graphite_can_represent_scev): Call
        graphite_can_represent_init for MULT_EXPR.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42914
        PR middle-end/42530
        * graphite-sese-to-poly.c (remove_phi): New.
        (translate_scalar_reduction_to_array): Call remove_phi.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42771
        * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
        * graphite-clast-to-gimple.h (gloog): Update declaration.
        * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
        * graphite-poly.h (struct poly_bb): Add missing comments.
        (struct scop): Add poly_scop_p field.
        (POLY_SCOP_P): New.
        * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
        * graphite.c (graphite_transform_loops): Build the polyhedral
        representation for each scop before code generation.
        * sese.c (rename_variables_in_operand): Removed.
        (rename_variables_in_expr): Return the renamed expression.
        (rename_sese_parameters): New.
        * sese.h (rename_sese_parameters): Declared.

2010-02-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42998
        * tree-ssa-pre.c (create_expression_by_pieces): Treat
        POINTER_PLUS_EXPR properly.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
            Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/40886
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
        the cost of an IV candidate when the IV is used in a test against zero.

        * gcc.dg/tree-ssa/ivopts-3.c: New.

2010-02-11  Richard Guenther  <rguenther@suse.de>

        PR lto/41664
        * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
        pointer-vs-decl case by swapping refs.  Handle some cases
        of pointer-vs-decl disambiguations more conservatively.
        * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
        to false after expanding.

2010-02-11  Richard Guenther  <rguenther@suse.de>

        PR driver/43021
        * gcc.c (process_command): Handle LTO file@offset case more
        appropriately.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

        * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
        modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
        of DEBUG_INSNs.
        (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.

        * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
        if MEM's mode size isn't DWARF2_ADDR_SIZE.
        (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
        Optimize eq/ne comparisons when both arguments are known to be
        zero-extended.
        (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
        Don't mask operands unnecessarily if they are known to be already
        zero-extended.

2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
        instead of loop.

2010-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43017
        * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
        for wrapping signed arithmetic.

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43010
        * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
        if no debug info should be emitted for it.

2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
        note when flag_exceptions is set.

2010-02-10  Duncan Sands  <baldrick@free.fr>

        * Makefile.in (PLUGIN_HEADERS): Add debug.h.

2010-02-10  Richard Guenther  <rguenther@suse.de>

        PR c/43007
        * tree.c (get_unwidened): Handle constants.
        * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.

2010-02-10  Martin Jambor  <mjambor@suse.cz>

        PR lto/42985
        * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
        check for variable argument counts independently.

2010-02-10  Christian Bruel  <christian.bruel@st.com>

        PR target/42841
        * config/sh/sh.c (find_barrier): Increase length for non delayed
        conditional branches.

2010-02-10  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (set_builtin_user_assembler_name): Also handle
        ffs if int is smaller than word.

2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/42973
        * ira-conflicts.c (get_dup): Remove.
        (process_reg_shuffles): Add new parameter.  Use it as an
        additional guard for copy generation.
        (add_insn_allocno_copies): Rewrite.

2010-02-09  Alexander Monakov  <amonakov@ispras.ru>

        * common.opt (fsched2-use-traces): Preserved for backward
        compatibility.
        * doc/invoke.texi: Remove the documentation about option
        -fsched2-use-traces.
        * sched-rgn.c (rest_of_handle_sched2): Remove usage of
        flag_sched2_use_traces.
        * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
        the backward compatibility flag section.

2010-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43008
        * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
        make HEAP variables initialized from global memory if they
        are not known builtin functions.
        (find_func_aliases): Adjust.

2010-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43000
        * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
        arithmetic manually.

2010-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/42931
        * tree-loop-linear.c (try_interchange_loops): Don't call
        double_int_mul if estimated_loop_iterations failed.

2010-02-08  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/42898
        * tree-sra.c (build_accesses_from_assign): Do not mark in
        should_scalarize_away_bitmap if stmt has volatile ops.
        (sra_modify_assign): Do not process assigns piecemeal if if stmt
        has volatile ops.

2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>

        * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.

2010-02-07  Adam Nemet  <adambnmet@gmail.com>

        * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
        before the pattern.

2010-02-07  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/42946
        * df-core.c (df_finish_pass): Change type of saved_flags to int.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42988
        * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
        to unknown_dependence.
        (graphite_legal_transform_dr): Handle the unknown_dependence.
        (graphite_carried_dependence_level_k): Same.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.

2010-02-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42991
        * expr.c (get_inner_reference): Always initialize *pbitsize.

2010-02-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42956
        * gimplify.c (gimple_fold_indirect_ref): Avoid generating
        new ARRAY_REFs on variable size element or minimal index arrays.
        Complete.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
        gimple_fold_indirect_ref.

2010-02-06  Richard Earnshaw  <rearnsha@arm.com>

        PR target/42957
        * arm.c (arm_override_options): Just return if the user has specified
        an invalid fpu name.

2010-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/42870
        * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
        i386_pe_maybe_record_exported_symbol.

2010-02-05  Steve Ellcey  <sje@cup.hp.com>

        PR target/42924
        * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
        (pa_delegitimize_address): New function.

2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>

        * config/i386/msformat-c.c (ms_printf_length_specs): Set the
        scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.

2010-02-05  Richard Guenther  <rguenther@suse.de>

        PR lto/42762
        * lto-streamer-in.c (get_resolution): Deal with references
        to undefined functions.

2010-02-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
        (fold_const_aggregate_ref): Likewise.
        (ccp_fold_stmt): Substitute loads.
        (maybe_fold_reference): Verify types before substituting.
        Unshare properly.
        (fold_gimple_assign): Unshare properly.
        (fold_stmt_1): Insert conversion if necessary before replacing the RHS.

2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Invert check
        for rs6000_gen_cell_microcode.

2010-02-04  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/42952
        * dse.c (const_or_frame_p): Remove MEM handling.

2010-02-04  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
        (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
        (mn10300_asm_output_mi_thunk): New function.
        (mn10300_can_output_mu_thunk): New function.
        * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
        (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
        (FUNCTION_ARG): Delete incorrect comment.

2010-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/40138
        * fold-const.c (operand_equal_p): Handle erroneous types.

2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

        * config/h8300/h8300.md (can_delay): Fix attibute condition.

2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/42941
        * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
        of xmalloc.

2010-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/35652
        * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.

2010-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42896
        * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
        (cselib_reset_table): Renamed from...
        (cselib_reset_table_with_next_value): ... this.
        (cselib_get_next_uid): Renamed from...
        (cselib_get_next_unknown_value): ... this.
        * cselib.c (next_uid): Renamed from...
        (next_unknown_value): ... this.
        (cselib_clear_table): Adjust.
        (cselib_reset_table): Adjust.  Renamed from...
        (cselib_reset_table_with_next_value): ... this.
        (cselib_get_next_uid): Adjust.  Renamed from...
        (cselib_get_next_unknown_value): ... this.
        (get_value_hash): Use hash.
        (cselib_hash_rtx): Likewise.
        (new_cselib_val): Adjust.  Set and dump uid.
        (cselib_lookup_mem): Pass next_uid as hash.
        (cselib_subst_to_values): Likewise.
        (cselib_log_lookup): Dump uid.
        (cselib_lookup): Pass next_uid as hash.  Adjust.
        (cselib_process_insn): Adjust.
        (cselib_init): Initialize next_uid.
        (cselib_finish): Adjust.
        (dump_cselib_table): Likewise.
        * dse.c (canon_address): Dump value uid.
        * print-rtl.c (print_rtx): Print value uid.
        * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
        (dvuid): New type.
        (dv_uid): New function, sort of renamed from...
        (dv_htab_hash): ... this, reimplemented in terms of it and...
        (dv_uid2hash): ... this.  New.
        (variable_htab_eq): Drop excess assertions.
        (tie_break_pointers): Removed.
        (canon_value_cmp): Compare uids.
        (variable_post_merge_New_vals): Print uids.
        (vt_add_function_parameters): Adjust.
        (vt_initialize): Reset table.  Adjust.

2010-02-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42944
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
        (call_may_clobber_ref_p_1): Likewise.  Properly handle
        malloc and calloc clobbering errno.

2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi: Fix name of sched1 dump.

        * opts.c (decode_options): Set flag_tree_switch_conversion
        only conditionally on optimize >= 2.

        * gcse.c: Assorted comment fixes in pass description.

2010-02-03  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
        nop padding in order to maintain alignment of storage location of
        target function address.
        (moxie_trampoline_init): Store target function address at newly
        aligned location.
        * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
        to 32.
        (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.

2010-02-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42927
        * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.

2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Reenable check for obsolete targets.
        Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
        mips-sgi-irix6.[0-4]*.

2010-02-02  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
        constant size of 4 as being the same as 0.
        * doc/invoke.texi (RX Options): Document that -mmax-constant-size
        can take values in the range 0..4.

2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR java/41991
        * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
        as _darwin10_Unwind_FindEnclosingFunction().
        * libgcc-libsystem.ver: New.

2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/41399
        * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
        implicitly set registers.

2010-02-01  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
        (arm_override_options): Allow automatic selection of the thread
        pointer register if thumb2.
        (legitimize_pic_address): Improve code sequences for Thumb2.
        (arm_call_tls_get_addr): Likewise.
        (legitimize_tls_address): Likewise.
        * arm.md (pic_load_addr_arm): Delete.  Replace with ...
        (pic_load_addr_32bit): ... this.  New named pattern.
        * thumb2.md (pic_load_addr_thumb2): Delete.
        (pic_load_dot_plus_four): Delete.
        (tls_load_dot_plus_four): New named pattern.

2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR libgomp/29986
        * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
        Document fix for TLS bug.

2010-01-31  Richard Guenther  <rguenther@suse.de>

        * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
        conservatively correct.

2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/42850
        Revert:
        2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.

2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Update recommended GMP/MPFR/MPC versions.

2010-01-31  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Adjust order of makefile fragments for mingw targets.

2010-01-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42898
        * gimplify.c (gimplify_init_constructor): For volatile LHS
        initialize a temporary.

2010-01-31  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Fix __stack_chk_fail check for cross builds configured
        --with-headers
        * configure: Regenerate.

2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
        the same alias set and their sizes different constantness.
        (aliasing_component_refs_p): Revert 2009-10-24 change.

2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
        unused.

2010-01-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
        Assert we successfully updated the call.

2010-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/42889
        * df.h (df_set_bb_dirty_nonlr): New prototype.
        * df-core.c (df_set_bb_dirty_nonlr): New function.
        * df-scan.c (df_insn_rescan): Call it instead of
        df_set_bb_dirty for DEBUG_INSNs.

2010-01-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37448
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
        quadratic behavior in most cases.

2010-01-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42891
        * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
        in the call to gen_x86_movsicc_0_m1.

2010-01-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42871
        * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.

2010-01-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
        into call arguments.

2010-01-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42883
        * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
        the forwarder if the destination is an EH landing pad.

2010-01-28  Razya Ladelsky  <razya@il.ibm.com>

        * tree-parloops.c (transform_to_exit_first_loop): Update the basic
        block list passed to gimple_duplicate_sese_tail.
        (parallelize_loops): Avoid parallelization when the function
        has_nonlocal_label.
        Avoid parallelization when the preheader is IRREDUCIBLE.
        Try to optimize when estimated_loop_iterations_int is unresolved.
        Add the loop's location to the dump file.
        * tree-cfg.c (add_phi_args_after_redirect): Remove.
        (gimple_duplicate_sese_tail): Remove the check for the latch.
        Redirect nexits to the exit block.
        Remove handling of the incoming edges to the latch.
        Redirect the backedge from the copied latch to the exit bb.

2010-01-28  Michael Matz  <matz@suse.de>

        PR target/42881
        * config/i386/i386.c (ix86_expand_vector_init_duplicate):
        Wrap force_reg into a sequence, emit it before user.

2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>

        * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
        (arm_rev): New.
        (arm_legacy_rev): Likewise.
        (thumb_legacy_rev): Likewise.

2010-01-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Remove special casing of
        CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
        on MEM's address failed, try avoid_constant_pool_reference and
        recurse if it returned something different.
        (loc_descriptor): If for MEM mem_loc_descriptor failed on the
        address, try avoid_constant_pool_reference and recurse if it
        returned something different.
        (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
        address and avoid_constant_pool_reference returned something
        different, don't set have_address.

2010-01-27  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42861
        * var-tracking.c (val_store): Add modified argument, obey it.
        Adjust callers.
        (count_uses): Move down logging of main.
        (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
        don't need resolution.
        (emit_notes_in_bb): Likewise.

2010-01-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42878
        * tree-inline.c (remap_decl): Delay remapping of SSA name
        default definitions until we need them.

2010-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
        (rs6000_delegitimize_address): New function.

        * config/s390/s390.c (s390_delegitimize_address): Call
        delegitimize_mem_from_attrs.

        PR middle-end/42874
        * tree-inline.c (cannot_copy_type_1): Removed.
        (copy_forbidden): Don't forbid copying of functions containing
        records/unions with variable length fields.

2010-01-27  Christian Bruel  <christian.bruel@st.com>

        Revert:
        PR target/42841
        * config/sh/sh.c (find_barrier): Increase length for non delayed
        conditional branches.

2010-01-27  Matthias Klose  <doko@ubuntu.com>

        * configure.ac (gnu-unique-object): Fix ldd version check.
        * configure: Regenerate.

2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
        HAVE_GNU_AS value.
        * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
        Test for HAVE_GNU_AS value.

2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
        * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
        INT64_TYPE): Define.
        (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
        (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE): Define.
        (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
        UINT_LEAST64_TYPE): Define.
        (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
        INT_FAST64_TYPE): Define.
        (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE): Define.
        (INTMAX_TYPE, UINTMAX_TYPE): Define.
        (INTPTR_TYPE, UINTPTR_TYPE): Define.
        (SIG_ATOMIC_TYPE): Define.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        * df-scan.c (df_scan_set_bb_info): Remove assert.
        (df_insn_rescan_debug_internal): Merge asserts.
        (df_install_ref): Likewise.
        (df_mark_reg): Use bitmap_set_range.
        (df_hard_reg_used_p): Remove assert.
        (df_hard_reg_used_count): Likewise.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/42685
        * web.c (web_main): Ignore DEBUG_INSNs.

2010-01-26  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.

        (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
        Fix types of fndecl and arglist parameters.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42806
        * tree-eh.c (unsplit_eh): Skip debug insns.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42250
        * ipa-type-escape.c (type_escape_execute): Do not analyze clones.

2010-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/42866
        * omp-low.c (expand_omp_sections): Only use single_pred if
        l2_bb is single_pred_p.

2010-01-25  Christian Bruel  <christian.bruel@st.com>

        PR target/42841
        * config/sh/sh.c (find_barrier): Increase length for non delayed
        conditional branches.
        (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.

2010-01-24  David S. Miller  <davem@davemloft.net>

        * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
        define if not using GAS.
        * config/sparc/sparc.c (sparc_elf_asm_named_section):
        Likewise.  Delete SECTION_MERGE code, which is only applicable
        when using GAS.

2010-01-24  Mark Mitchell  <mark@codesourcery.com>

        PR c++/42748
        * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
        mangling of va_list in system headers.

2010-01-23  Toon Moene  <toon@moene.org>

        * tree-predcom.c (combine_chains): Return NULL, not false.

2010-01-23  Joern Rennecke  <amylaar@spamcop.net>

        * tree-loop-distribution.c (distribute_loop): Fix declaration and
        initialization of variable res to agree with return type.

2010-01-22  Steve Ellcey  <sje@cup.hp.com>

        * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
        * tree-sra.c: Add include of expr.h.

2010-01-22  Jakub Jelinek  <jakub@redhat.com>

        * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
        insert the debug stmt on the single non-EH edge from the stmt.

2010-01-22  Richard Henderson  <rth@redhat.com>

        PR tree-opt/42833
        * tree-sra.c (sra_modify_assign): Delay re-gimplification of
        the RHS until after generate_subtree_copies has insertted its
        code before the current statement.

2010-01-22  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.

        * gcc-plugin.h (plugin_init): Use "C" likage for c++.

2010-01-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42585
        * tree-sra.c (struct access): New field grp_total_scalarization.
        (dump_access): Dump the new field.
        (should_scalarize_away_bitmap): New variable.
        (cannot_scalarize_away_bitmap): Likewise.
        (sra_initialize): Allocate new bitmaps.
        (sra_deinitialize): Free new bitmaps.
        (create_access_1): New function.
        (create_access): Parts moved to create_access_1.
        (type_consists_of_records_p): New function.
        (completely_scalarize_record): Likewise.
        (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
        (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
        (sort_and_splice_var_accesses): Hint groups with a total_scalarization
        access.
        (analyze_all_variable_accesses): Completely scalarize small eligible
        records.

2010-01-21  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.

2010-01-21  Andrew Haley  <aph@redhat.com>

        * gcc.c (process_command): Move lang_specific_driver before
        setting cc_libexec_prefix.

2010-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/19988
        * fold-const.c (negate_expr_p): Pretend only negative
        real constants are easily negatable.

2010-01-20  Janis Johnson  <janis187@us.ibm.com>
            Jason Merrill  <jason@redhat.com>

        * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
        (TYPE_TRANSPARENT_AGGR): this, for union and record.
        * calls.c (initialize argument_information): Handle it.
        * c-common.c (handle_transparent_union_attribute): Use new name.
        * c-decl.c (finish_struct): Ditto.
        * c-typeck.c (type_lists_compatible_p): Ditto.
        (convert_for_assignment): Use new name and also handle record.
        * function.c (aggregate_value_p): Handle it.
        (pass_by_reference): Ditto.
        (assign_parm_data_types): Ditto.
        * print-tree.c (print_node): Ditto.
        * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
        * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
        * tree.c (first_field): New fn.

2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/42818
        * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
        even when linking statically, for now.

2010-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42715
        * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
        without a cselib val.
        (count_uses): Accept MO_VAL_SET with no val on stores.
        (add_stores): Likewise.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (check_value_val): Add a compile time assertion.
        (dv_is_decl_p): Simplify.
        (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
        gcc_assert if ENABLE_CHECKING.

2010-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42782
        * var-tracking.c: Include tree-flow.h.
        (mem_dies_at_call): New.
        (dataflow_set_preserve_mem_locs): Use it.
        (dataflow_set_remove_mem_locs): Likewise.
        (dump_var): Renamed from dump_variable.  Adjust all callers.
        (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
        * Makefile.in (var-tracking.o): Adjust deps.

2010-01-20  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.

2010-01-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42717
        * tree-ssa-dce.c (get_live_post_dom): Remove.
        (forward_edge_to_pdom): Take an arbitrary edge to copy
        degenerate PHI args from.
        (remove_dead_stmt): Use the first post-dominator even if it
        does not contain live statements as redirection destination.

2010-01-20  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (estimate_num_insns): Handle EH builtins.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

        * sel-sched.c (create_speculation_check): Remove set but not used
        variable twin.
        (try_transformation_cache): Remove set but not used variable ds.
        (calculate_privileged_insns): Remove set but not used variables
        cur_insn and min_spec_insn.
        (find_best_expr): Remove set but not used variable avail_n.
        * tree-predcom.c (base_names_in_chain_on): Remove set but not used
        variable e.
        * cgraphunit.c (assemble_thunk): Remove set but not used variable
        false_label.
        * haifa-sched.c (remove_notes): Remove set but not used variable prev.
        * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
        new_scop_exit_edge.

2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>

        PR bootstrap/42786
        * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
        cpu types.  Add support for *-sse3 cpu types.
        (x86_64-*-*): Ditto.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

&