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* config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 1fe4172..f36d5ed 100644 (file)
@@ -1,3 +1,800 @@
+2010-04-28  Mike Stump  <mikestump@comcast.net>
+
+       * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for
+       now.
+
+2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
+       record or union type with RECORD_OR_UNION_TYPE_P predicate.
+       (lto_input_ts_type_tree_pointers): Likewise.
+       * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
+       (lto_output_ts_type_tree_pointers): Likewise.
+
+2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
+
+       Uniquization of constants at the Tree level
+       * tree.h (DECL_IN_CONSTANT_POOL): New macro.
+       (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
+       bit to the end.
+       (tree_output_constant_def): Declare.
+       * gimplify.c (gimplify_init_constructor): When using block copy, first
+       uniquize the constant constructor on the RHS.
+       * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
+       DECL_IN_CONSTANT_POOL flag.
+       * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
+       * varasm.c (make_decl_rtl): Deal with variables belonging to the global
+       constant pool.
+       (assemble_variable): Deal with symbols belonging to the tree constant
+       pool.
+       (get_constant_section): Add ALIGN parameter and simplify.
+       (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
+       (assemble_constant_contents): Use the expression of the VAR_DECL.
+       (output_constant_def_contents): Use the alignment of the VAR_DECL.
+       (tree_output_constant_def): New global function.
+       (mark_constant): Use the expression of the VAR_DECL.
+       (place_block_symbol): Use the alignment of the VAR_DECL and the size of
+       its expression.
+       (output_object_block): Likewise and assemble the expression.
+
+2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
+       hash_tree, eq_tree): New tree hash table.
+       (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
+       [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
+       lto_orig_address_remove): Reimplement.
+
+2010-04-28  Xinliang David Li  <davidxl@google.com>
+
+       PR c/42643
+       * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
+       (compute_uninit_opnds_pos): New function.
+       (is_non_loop_exit_postdominating): New function.
+       (compute_control_dep_chain): New function.
+       (find_pdom): New function.
+       (convert_control_dep_chain_into_preds): New function.
+       (find_predicates): New function.
+       (find_control_equiv_block): New function.
+       (collect_phi_def_edges): New function.
+       (find_def_preds): New function.
+       (find_dom): New function.
+       (dump_predicates): New function.
+       (get_cmp_code): New function.
+       (is_value_included_in): New function.
+       (find_matching_predicate_in_rest_chains): New function.
+       (use_pred_not_overlap_with_undef_path_pred): New function.
+       (is_use_properly_guarded): New function.
+       (normalize_cond_1): New function.
+       (is_and_or_or): New function.
+       (normalize_cond): New function.
+       (is_gcond_subset_of): New function.
+       (is_subset_of_any): New function.
+       (is_or_set_subset_of): New function.
+       (is_and_set_subset_of): New function.
+       (is_norm_cond_subset_of): New function.
+       (is_pred_expr_subset_of): New function.
+       (is_pred_chain_subset_of): New function.
+       (is_included_in): New function.
+       (is_superset_of): New function.
+       (find_uninit_use): New function.
+       (warn_uninitialized_phi): New function.
+       (compute_possibly_undefined_names): New function.
+       (ssa_undefined_value_p): New function.
+       (execute_late_warn_uninitialized): New function.
+       * tree-ssa.c (ssa_undefined_value_p): Removed.
+       (warn_uninit): Changed to extern.
+       (warn_uninitialized_phi): Removed.
+       (warn_uninitialized_vars): Changed to extern.
+       (execute_late_warn_uninitialized): Removed
+       * tree-flow.h: Add new prototypes.
+       * timevar.def: Add new time variable.
+       * Makefile.in: Add new build file.
+
+2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
+       type if available.
+
+2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       PR target/22224
+       * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
+
+2010-04-28  Martin Jambor  <mjambor@suse.cz>
+
+       * cgraph.h (struct cgraph_node): New field indirect_calls.
+       (struct cgraph_indirect_call_info): New type.
+       (struct cgraph_edge): Removed field indirect_call. New fields
+       indirect_info, indirect_inlining_edge and indirect_unknown_callee.
+       (cgraph_create_indirect_edge): Declare.
+       (cgraph_make_edge_direct): Likewise.
+       (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
+       * ipa-prop.h (struct ipa_param_call_note): Removed.
+       (struct ipa_node_params): Removed field param_calls.
+       (ipa_create_all_structures_for_iinln): Declare.
+       * cgraph.c: Described indirect edges and uids in initial comment.
+       (cgraph_add_edge_to_call_site_hash): New function.
+       (cgraph_edge): Search also among the indirect edges, use
+       cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
+       (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
+       one, use cgraph_add_edge_to_call_site_hash to add edges to the call
+       site hash.
+       (initialize_inline_failed): Assign a reason to indirect edges.
+       (cgraph_create_edge_1): New function.
+       (cgraph_create_edge): Moved some functionality to
+       cgraph_create_edge_1.
+       (cgraph_create_indirect_edge): New function.
+       (cgraph_edge_remove_callee): Add an assert checking for
+       non-indirectness.
+       (cgraph_edge_remove_caller): Special-case indirect edges.
+       (cgraph_remove_edge): Likewise.
+       (cgraph_set_edge_callee): New function.
+       (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
+       (cgraph_make_edge_direct): New function.
+       (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
+       the declaration of the call statement matches.
+       (cgraph_node_remove_callees): Special-case indirect edges.
+       (cgraph_clone_edge): Likewise.
+       (cgraph_clone_node): Clone also the indirect edges.
+       (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
+       indirect_call, dump count of indirect_calls edges.
+       * ipa-prop.c (iinlining_processed_edges): New variable.
+       (ipa_note_param_call): Create indirect edges instead of
+       creating notes.  New parameter node.
+       (ipa_analyze_call_uses): New parameter node, pass it on to
+       ipa_note_param_call.
+       (ipa_analyze_stmt_uses): Likewise.
+       (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
+       (print_edge_addition_message): Work on edges rather than on notes.
+       (update_call_notes_after_inlining): Likewise, renamed to
+       update_indirect_edges_after_inlining.
+       (ipa_create_all_structures_for_iinln): New function.
+       (ipa_free_node_params_substructures): Do not free notes.
+       (ipa_edge_duplication_hook): Propagate bits within
+       iinlining_processed_edges bitmap.
+       (ipa_node_duplication_hook): Do not duplicate notes.
+       (free_all_ipa_structures_after_ipa_cp): Renamed to
+       ipa_free_all_structures_after_ipa_cp.
+       (free_all_ipa_structures_after_iinln): Renamed to
+       ipa_free_all_structures_after_iinln.g
+       (ipa_write_param_call_note): Removed.
+       (ipa_read_param_call_note): Removed.
+       (ipa_write_indirect_edge_info): New function.
+       (ipa_read_indirect_edge_info): Likewise.
+       (ipa_write_node_info): Do not stream notes, do stream information
+       in indirect edges.
+       (ipa_read_node_info): Likewise.
+       (lto_ipa_fixup_call_notes): Removed.
+       * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
+       * ipa-inline.c (pass_ipa_inline): Likewise.
+       * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
+       * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
+       * tree-inline.c (copy_bb): Removed an unnecessary double check for
+       is_gimple_call.
+       * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
+       edges.
+       * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
+       (output_cgraph): Stream also indirect edges.
+       (lto_output_edge): Added capability to stream indirect edges.
+       (input_edge): Likewise.
+       (input_cgraph_1): Likewise.
+
+2010-04-28  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43879
+       PR tree-optimization/43909
+       * tree-ssa-structalias.c (struct variable_info): Add
+       only_restrict_pointers flag.
+       (new_var_info): Initialize it.  Increment stats.total_vars here.
+       (create_function_info_for): Do not increment stats.total_vars
+       here.
+       (get_function_part_constraint): Fix build with C++.
+       (insert_into_field_list): Remove.
+       (push_fields_onto_fieldstack): Properly merge fields.
+       (create_variable_info_for): Split and simplify.
+       (create_variable_info_for_1): New piece.
+       (intra_create_variable_infos): Properly make restrict constraints
+       from parameters.
+
+2010-04-28  Richard Guenther  <rguenther@suse.de>
+
+       PR c++/43880
+       * tree-inline.c (copy_bind_expr): Also copy bind expr vars
+       value-exprs.
+
+2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+           Jan Hubicka <hubicka@ucw.cz>
+
+       * doc/invoke.texi (-Wsuggest-attribute=const,
+       -Wsuggest-attribute=pure): Document.
+       * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
+       (function_always_visible_to_compiler_p,
+       suggest_attribute, warn_function_pure, warn_function_const):
+       New functions.
+       (check_call): Improve debug info.
+       (analyze_function): Do not check availability.
+       (add_new_function): Check availability.
+       (propagate): Output warnings.
+       (skip_function_for_local_pure_const): New function.
+       (local_pure_const): Use it; output warnings.
+       * common.opt (Wsuggest-attribute=const,
+       Wsuggest-attribute=pure): New.
+
+2010-04-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
+       force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
+       or DW_CFA_def_cfa_offset{,_sf}.
+
+2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.h: Fix truncated long macros.
+
+2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
+
+       * collect2.c (TARGET_64BIT): Redefine to target's default.
+       * tlink.c: Likewise.
+       * config/i386/cygming.h (USER_LABEL_PREFIX): Define
+       dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
+       * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
+       for underscoring __USER_LABEL_PREFIX__.
+       * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
+       (SUB_LINK_ENTRY32): New.
+       (SUB_LINK_ENTRY64): New.
+       (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
+       * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
+       (SUB_LINK_ENTRY64): New.
+       (SUB_LINK_ENTRY): New.
+       (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
+       (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
+       x64 target is choosen.
+       * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
+       * configure: Regenerated.
+       * configure.ac (leading-mingw64-underscores): Option added.
+
+2010-04-27  Jan Hubicka  <jh@suse.cz>
+
+       * doc/invoke.texi (-fipa-profile): Document.
+       * opts.c (decode_options): Enable ipa-profile at -O1.
+       * timevar.def (TV_IPA_PROFILE): Define.
+       * common.opt (fipa-profile): Add.
+       * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
+       flag for clones.
+       (cgraph_propagate_frequency): Handle only local ones.
+       * tree-pass.h (pass_ipa_profile): Declare.
+       * ipa-profile.c (gate_profile): Use flag_ipa_profile.
+       (pass_ipa_profile): Use TV_IPA_PROFILE.
+       * ipa.c (ipa_profile): New function.
+       (gate_ipa_profile): Likewise.
+       (pass_ipa_profile): New global variable.
+       * passes.c (pass_ipa_profile): New.
+
+2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
+
+2010-04-27  Martin Jambor  <mjambor@suse.cz>
+
+       PR middle-end/43812
+       * ipa.c (dissolve_same_comdat_group_list): New function.
+       (function_and_variable_visibility): Call
+       dissolve_same_comdat_group_list when comdat group contains external or
+       newly local nodes.
+       * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
+       lists are circular and that they contain only DECL_ONE_ONLY nodes.
+
+2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
+       (const_hash_1) <VECTOR_CST>: New case.
+       (compare_constant) <VECTOR_CST>: Likewise.
+       <ADDR_EXPR>: Deal with LABEL_REFs.
+       (copy_constant) <VECTOR_CST>: New case.
+
+2010-04-27  Jan Hubicka  <jh@suse.cz>
+
+       * cgraph.c (cgraph_propagate_frequency): New function.
+       * cgraph.h (cgraph_propagate_frequency): Declare.
+       * ipa-inline.c (cgraph_clone_inlined_nodes): Call
+       cgraph_propagate_frequency.
+
+2010-04-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
+
+2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
+
+       PR target/40657
+       * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
+       (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
+       here to determine which regs to push and how much stack to reserve.
+
+2010-04-27  Jie Zhang  <jie@codesourcery.com>
+
+       * doc/gimple.texi (gimple_statement_with_ops): Remove
+       addresses_taken field.
+       (gimple_statement_with_memory_ops): Likewise.
+
+2010-04-27  Jan Hubicka  <jh@suse.cz>
+
+       * tree-inline.c (eni_inlining_weights): Remove.
+       (estimate_num_insns): Special case more builtins.
+
+2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
+
+       PR c/32207
+       * c-typeck.c (build_binary_op): Move forward check for comparison
+       pointer with null pointer constant and adjust the diagnostic message.
+
+2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
+
+       PR lto/42776
+       * configure.ac (gcc_cv_as_section_has_align): Set if installed
+       binutils supports extended .section directive needed by LTO, or
+       warn if older binutils found.
+       (LTO_BINARY_READER): New AC_SUBST'd variable.
+       (LTO_USE_LIBELF): Likewise.
+       * gcc/config.gcc (lto_binary_reader): New target-specific configure
+       variable.
+       * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
+       (LTO_USE_LIBELF): Likewise.
+       * configure: Regenerate.
+
+       * collect2.c (is_elf): Rename from this ...
+       (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
+        object files in addition to ELF-formatted ones.
+       (scan_prog_file): Caller updated.  Also allow for LTO info marker
+       symbol to be prefixed or not by an extra underscore.
+
+       * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
+       * config/i386/winnt.c: Also #include lto-streamer.h
+       (i386_pe_asm_named_section): Specify 1-byte section alignment for
+       LTO named sections.
+       (i386_pe_asm_output_aligned_decl_common): Add comment.
+       (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
+
+2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
+
+       PR target/43889
+       * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
+       Add missing earlyclobber for second alternative.
+
+2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
+       bits for artificial defs at the top of the block.
+       * fwprop.c (single_def_use_enter_block): Don't call it.
+
+2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
+
+       PR 43715
+       * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
+       instead of "$gcc_cv_objdump -T".
+       Use "-undefined dynamic_lookup" on darwin.
+       * gcc/configure: Regenerate.
+
+2010-04-26  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c/43893
+       * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
+
+2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * c-parser.c (struct c_token): Move location field up.
+       * c-tree.h (struct c_typespec): Move expr_const_operands field up.
+       (struct c_declspecs): Convert typespec_word, storage_class, and
+       default_int_p into bitfields.
+       (struct c_declarator): Move loc field up.
+
+2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * cfgloop.h (struct loop): Move can_be_parallel field up.
+       * ipa-prop.h (struct ip_node_params): Move bitfields up.
+       * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
+       down.
+       (struct iv_cand): Convert pos field into a bitfield.
+       * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
+       field up.
+       (struct _stmt_vec_info): Shuffle fields for better packing.
+
+2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * varasm.c (IN_NAMED_SECTION): Remove guard.
+       * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
+       (IN_NAMED_SECTION_P): ...this.
+       (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
+       (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
+
+2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
+       Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
+       of shadowing it.  Fix comments.
+
+2010-04-26  Jan Hubicka  <jh@suse.cz>
+
+       * cgraph.c (cgraph_create_node): Set node frequency to normal.
+       (cgraph_clone_node): Copy function frequency.
+       * cgraph.h (node_frequency): New enum
+       (struct cgraph_node): Add.
+       * final.c (rest_of_clean_state): Update.
+       * lto-cgraph.c (lto_output_node): Output node frequency.
+       (input_overwrite_node): Input node frequency.
+       * tre-ssa-loop-ivopts (computation_cost): Update.
+       * lto-streamer-out.c (output_function): Do not output function
+       frequency.
+       * predict.c (maybe_hot_frequency_p): Update and handle functions
+       executed once.
+       (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
+       attribute lookup.
+       (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
+       (compute_function_frequency): Set noreturn functions to be executed
+       once.
+       (choose_function_section): Update.
+       * lto-streamer-in.c (input_function): Do not input function frequency.
+       * function.c (allocate_struct_function): Do not initialize function
+       frequency.
+       * function.h (function_frequency): Remove.
+       (struct function): Remove function frequency.
+       * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
+       (try_update): Update.
+       * tree-inline.c (initialize_cfun): Do not update function frequency.
+       * passes.c (pass_init_dump_file): Update.
+       * i386.c (ix86_compute_frame_layout): Update.
+       (ix86_pad_returns): Update.
+
+2010-04-26  Jie Zhang  <jie@codesourcery.com>
+
+       PR tree-optimization/43833
+       * tree-vrp.c (range_int_cst_p): New.
+       (range_int_cst_singleton_p): New.
+       (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
+       when both operands are constants.  Use range_int_cst_p in
+       BIT_IOR_EXPR case.
+
+2010-04-26  Jan Hubicka  <jh@suse.cz>
+
+       * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
+
+2010-04-26  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/43080
+       * gimple.c (gimple_decl_printable_name): Deal gracefully
+       with a NULL DECL_NAME.
+
+2010-04-26  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/42425
+       * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
+       if emitting debug information and it is either a function
+       or a namespace decl.
+
+2010-04-26  Ira Rosen  <irar@il.ibm.com>
+
+       * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
+       determine if the statement is vectorizable, and a macro to access it.
+       * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
+       Skip statements that can't be vectorized. If the analysis fails,
+       mark the statement as unvectorizable if vectorizing basic block.
+       (vect_compute_data_refs_alignment): Likewise.
+       (vect_verify_datarefs_alignment): Skip statements marked as
+       unvectorizable. Add print.
+       (vect_analyze_group_access): Skip statements that can't be
+       vectorized. If the analysis fails, mark the statement as
+       unvectorizable if vectorizing basic block.
+       (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
+       * tree-vect-stmts.c (vectorizable_store): Fix the number of
+       generated stmts for SLP.
+       (new_stmt_vec_info): Initialize the new field.
+       * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
+       statements marked as unvectorizable.
+
+2010-04-25  Joseph Myers  <joseph@codesourcery.com>
+
+       * c-common.c (flag_isoc1x): New.
+       (flag_isoc99): Update comment.
+       * c-common.h (flag_isoc1x): New.
+       (flag_isoc99): Update comment.
+       * c-cppbuiltin.c (builtin_define_float_constants): Also define
+       __<type>_DECIMAL_DIG__.
+       * c-opts.c (set_std_c1x): New.
+       (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
+       (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
+       * c.opt (-std=c1x, -std=gnu1x): New options.
+       * doc/cpp.texi: Mention -std=c1x.
+       * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
+       * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
+       * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
+       * doc/standards.texi: Mention C1X.
+       * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
+       LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
+       LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
+       Define for C1X.
+
+2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/gmon-sol2.c (_mcleanup): Change format string
+       placeholder from 0x%x to %#x.
+       * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
+       * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
+       * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
+       * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
+       * config/i386/i386.c (ix86_target_string): Ditto.
+       (output_pic_addr_const): Ditto.
+       (print_operand): Ditto.
+
+2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
+
+       * combine.c (find_split_point): Add third argument.  Use it
+       to find nested multiply-accumulate instructions.  Adjust calls.
+       (try_combine): Adjust call to find_split_point.
+
+2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * doc/contrib.texi (Contributors): Add Dodji Seketeli.
+
+2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
+
+       PR tree-optimization/41442
+       * fold-const.c (merge_truthop_with_opposite_arm): New function.
+       (fold_binary_loc): Call it.
+
+2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
+
+       * toplev.c (general_init): Set default for fdiagnostics-show-option.
+       * opts.c (common_handle_option): Allow disabling it.
+       * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
+
+2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
+       between modes if both types are integral.
+
+2010-04-23  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43572
+       * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
+
+2010-04-23  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/43455
+       * tree-inline.c (tree_can_inline_p): Also check compatibility
+       of return types.
+
+2010-04-23  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/43846
+       * tree-sra.c (struct access): New flag grp_assignment_read.
+       (build_accesses_from_assign): Set grp_assignment_read.
+       (sort_and_splice_var_accesses): Propagate grp_assignment_read.
+       (enum mark_read_status): New type.
+       (analyze_access_subtree): Propagate grp_assignment_read, create
+       accesses also if both direct_read and root->grp_assignment_read.
+
+2010-04-23  Martin Jambor  <mjambor@suse.cz>
+
+       PR middle-end/43835
+       * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
+       function does not have type attributes.
+
+2010-04-23  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/42653
+       * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
+       of FUNCTION_DECLs.
+
+2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
+
+       * sese.h (create_if_region_on_edge): Remove.
+
+       * sese.c (create_if_region_on_edge): Make static.
+
+       * tree-inline.c: Do not include ggc.h.
+
+       * expr.c: Do not include ggc.h.
+
+       * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
+       dependencies.
+
+2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       PR target/43744
+       * config/sh/sh.c (find_barrier): Don't emit a constant pool
+       in the middle of insns for casesi_worker_2.
+
+2010-04-22  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
+
+2010-04-22  Ira Rosen  <irar@il.ibm.com>
+
+       PR tree-optimization/43842
+       * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
+       loop unrolling in update of exit phis. Fix comment.
+       * tree-vect-slp.c (vect_analyze_slp): Check that there are at
+       least two reduction statements in the loop before starting SLP
+       analysis.
+
+2010-04-22  Nick Clifton  <nickc@redhat.com>
+
+       * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
+
+2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
+
+       * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
+       to simplify a + ~a.
+
+2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
+
+       * tree-parloops.c (loop_parallel_p): New argument
+       parloop_obstack.  Pass it down.
+       (parallelize_loops): New variable parloop_obstack.  Initialize it,
+       pass it down, free it.
+
+       * tree-loop-linear.c (linear_transform_loops): Pass down
+       lambda_obstack.
+
+       * tree-data-ref.h (lambda_compute_access_matrices): New argument
+       of type struct obstack *.
+
+       * tree-data-ref.c (analyze_subscript_affine_affine): New variable
+       scratch_obstack.  Initialize it, pass down, free it.
+
+       * lambda.h (lambda_loop_new): Remove.
+       (lambda_matrix_new, lambda_matrix_inverse)
+       (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
+       argument of type struct obstack *.
+
+       * lambda-trans.c (lambda_trans_matrix_new): New argument
+       lambda_obstack.  Pass it down, use obstack allocation for ret.
+       (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
+       it down.
+
+       * lambda-mat.c (lambda_matrix_get_column)
+       (lambda_matrix_project_to_null): Remove.
+       (lambda_matrix_new): New argument lambda_obstack.  Use obstack
+       allocation for mat.
+       (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
+       lambda_obstack.
+
+       * lambda-code.c (lambda_loop_new): New function.
+       (lambda_lattice_new, compute_nest_using_fourier_motzkin)
+       (lambda_compute_auxillary_space, lambda_compute_target_space)
+       (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
+       (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
+       (build_access_matrix): New argument lambda_obstack.  Use obstack
+       allocation for am.
+       (lambda_compute_step_signs, lambda_compute_access_matrices): New
+       argument lambda_obstack.  Pass it down.
+
+2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * optabs.h (expand_widening_mult): Declare.
+
+2010-04-22  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43845
+       * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
+       lookup the CALL_EXPR function and arguments.
+
+2010-04-22  Nick Clifton  <nickc@redhat.com>
+
+       * config/stormy16/stormy16.c
+       (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
+       * config/stormy16/stormy16.h: Tidy up formatting.
+       (DONT_USE_BUILTIN_SETJMP): Remove definition.
+       * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
+       (ineqbranchsi): Delete pattern.
+       * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
+       * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
+       * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
+       stormy16-lib2-ucmpsi2.c.
+
+2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
+       df_simulate_find_noclobber_defs as appropriate.  Keep track of an
+       extra set merge_set_noclobber, and use it to relax the final test
+       slightly.
+       * df.h (df_simulate_find_noclobber_defs): Declare.
+       * df-problems.c (df_simulate_find_defs): Don't ignore partial or
+       conditional defs.
+       (df_simulate_find_noclobber_defs): New function.
+
+2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.md: Use {} around multi-line preparation statements.
+
+2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
+
+       * c-tree.h (push_init_level, pop_init_level, set_init_index)
+       (process_init_element): New argument of type struct obstack *.
+
+       * c-typeck.c (push_init_level, pop_init_level, set_designator)
+       (set_init_index, set_init_label, set_nonincremental_init)
+       (set_nonincremental_init_from_string, find_init_member)
+       (output_init_element, output_pending_init_elements)
+       (process_init_element): New argument braced_init_obstack.  Pass it
+       down.
+       (push_range_stack, add_pending_init): New argument
+       braced_init_obstack.  Use obstack allocation.
+
+       * c-parser.c (c_parser_initelt, c_parser_initval): New argument
+       braced_init_obstack.  Pass it down.
+       (c_parser_braced_init): New variables ret, braced_init_obstack.
+       Initialize obstack, pass it down and finally free it.
+
+2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
+
+       PR middle-end/29274
+       * tree-pass.h (pass_optimize_widening_mul): Declare.
+       * tree-ssa-math-opts.c (execute_optimize_widening_mul,
+       gate_optimize_widening_mul): New static functions.
+       (pass_optimize_widening_mul): New.
+       * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
+       <case MULT_EXPR>: Remove support for widening multiplies.
+       * tree.def (WIDEN_MULT_EXPR): Tweak comment.
+       * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
+       simplify_gen_unary rather than directly building extensions.
+       * tree-cfg.c (verify_gimple_assign_binary): Add tests for
+       WIDEN_MULT_EXPR.
+       * expmed.c (expand_widening_mult): New function.
+       * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
+
+2010-04-21  Jan Hubicka  <jh@suse.cz>
+
+       * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
+       * lto-section-in.c (lto_section_name): Remove wpa_fixup.
+       * lto-wpa-fixup.c: Remove.
+       * Makefile.in (lto-wpa-fixup.o): Remove.
+       * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
+       (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
+       * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
+
+2010-04-21  Jan Hubicka  <jh@suse.cz>
+
+       * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
+       add write_optimization_summary, read_optimization_summary.
+       (ipa_write_summaries_of_cgraph_node_set): Remove.
+       (ipa_write_optimization_summaries): Declare.
+       (ipa_read_optimization_summaries): Declare.
+       * ipa-cp.c (pass_ipa_cp): Update.
+       * ipa-reference.c (pass_ipa_reference): Update.
+       * ipa-pure-const.c (pass_ipa_pure_const): Update.
+       * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
+       Update.
+       * ipa-inline.c (pass_ipa_inline): Update.
+       * ipa.c (pass_ipa_whole_program): Update.
+       * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
+       * passes.c (ipa_write_summaries_1): Do not test wpa.
+       (ipa_write_optimization_summaries_1): New.
+       (ipa_write_optimization_summaries): New.
+       (ipa_read_summaries): Do not test ltrans.
+       (ipa_read_optimization_summaries_1): New.
+       (ipa_read_optimization_summaries): New.
+
+2010-04-21  Jan Hubicka  <jh@suse.cz>
+
+       * lto-cgraph.c (lto_output_node): Do not output comdat groups
+       for boundary nodes.
+       (output_cgraph): Do not arrange comdat groups for boundary nodes.
+
+2010-04-21  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/40040
+       * dwarf2out.c (add_name_and_src_coords_attributes): Add
+       DW_AT_{,MIPS_}linkage_name even for Fortran decls.
+
+2010-04-21  Jan Hubicka  <jh@suse.cz>
+
+       * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
+
+2010-04-21  Jan Hubicka  <jh@suse.cz>
+
+       * varpool.c (decide_is_variable_needed): Variable is always needed
+       during ltrans.
+
 2010-04-21  Jan Hubicka  <jh@suse.cz>
 
        * opts.c (decode_options): Enable pure-const pass for whopr.
        * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
        last chain entry if it starts with the still current label.
        (add_location_or_const_value_attribute): Check that
-       loc_list->first->next is NULL instead of comparing ->first with
-       ->last.
+       loc_list->first->next is NULL instead of comparing ->first with ->last.
        (dwarf2out_var_location): Pass last_label resp. last_postcall_label
        to add_var_loc_to_decl.
 
        * dwarf2out.c (output_call_frame_info): For dw_cie_version
-       >= 4 add also address size and segment size fields into CIE
-       header.
+       >= 4 add also address size and segment size fields into CIE header.
 
        * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
        long as address size is the same as sizeof (void *) and
        PR target/43662
        * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
 
-2010-04-19 Ira Rosen <irar@il.ibm.com>
+2010-04-19  Ira Rosen  <irar@il.ibm.com>
 
        PR tree-optimization/37027
        * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
 
        * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
 
-2010-04-18 Ira Rosen <irar@il.ibm.com>
+2010-04-18  Ira Rosen  <irar@il.ibm.com>
 
        PR tree-optimization/43771
        * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
        statements ...
        (vrp_visit_phi_node): ... but only for loop PHI nodes.
 
-2010-02-16  Ira Rosen <irar@il.ibm.com>
+2010-02-16  Ira Rosen  <irar@il.ibm.com>
 
        PR tree-optimization/43074
        * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.