gcc/ChangeLog

   1 2010-04-30  Jan Hubicka  <jh@suse.cz>
   2
   3         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with varpool.
   4         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
   5
   6 2010-04-30  Jan Hubicka  <jh@suse.cz>
   7
   8         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): New.
   9         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
  10         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
  11         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
  12         cgraph_node_set_needs_ltrans_p): Remove.
  13
  14 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
  15
  16         * sdbout.c: Include vec.h, do not include varray.h.
  17         (deferred_global_decls, sdbout_global_decl,
  18         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
  19         * toplev.c: Do not include varray.h.
  20         (dump_memory_report): Do not dump VARRAY statistics.
  21         * gengtype.c (open_base_file): Ignore varray.h.
  22         * Makefile.in: Update for abovementioned changes.
  23         Remove all traces of varray.c and varray.h.
  24         * varray.c: Remove file.
  25         * varray.h: Remove file.
  26
  27 2010-04-30  Jan Hubicka  <jh@suse.cz>
  28
  29         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
  30         references.
  31
  32 2010-04-30  Jan Hubicka  <jh@suse.cz>
  33
  34         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
  35         needed.
  36
  37 2010-04-30  Richard Guenther  <rguenther@suse.de>
  38
  39         * tree-ssa-structalias.c (get_constraint_for_1): Generate
  40         constraints for CONSTRUCTOR.
  41
  42 2010-04-30  Richard Guenther  <rguenther@suse.de>
  43
  44         PR lto/43946
  45         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
  46         first after all lowering passes.
  47
  48 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
  49
  50         * toplev.c: Include varray.h for statistics dumping.
  51         * tree.h: Do not declare varray_head_tag.
  52         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
  53         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
  54         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
  55         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
  56         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
  57         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
  58         c-common.c, c-common.h, reg-stack.c, basic-block.h,
  59         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
  60         include varray.h.
  61         * Makefile.in: Update for abovementioned changes.
  62
  63 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
  64
  65         PR debug/43942
  66         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
  67
  68 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
  69
  70         * config/picochip/picochip.c (picochip_legitimize_address): Define.
  71         Use this function to do machine-specific conversion.
  72         (picochip_legitimize_reload_address): Likewise.
  73         (picochip_legitimate_address_p): Check valid base register only if
  74         strict.
  75         (picochip_check_conditional_copy): Check for modw only if opnd is
  76         register.
  77         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
  78         to call the function in c.
  79         * config/picochip/picochip-protos.h
  80         (picochip_legitimize_reload_address): Define.
  81         * config/picochip/picochip.md (supported_compare1): Define.
  82
  83 2010-04-30  Jan Hubicka  <jh@suse.cz>
  84
  85         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
  86         (cgraph_global_info): Remove inlined.
  87         (LTO_cgraph_tag_names): Remove.
  88         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
  89         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
  90         simplify cgraph tags and document.
  91         (lto_output_node): Use only LTO_cgraph_unavail_node and
  92         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
  93         for_functions_valid, global info, process and output
  94         flags.
  95         (input_overwrite_node): Initialize estimated stack size and
  96         estimated growth.
  97         Do not read flags we no longer store.
  98         (input_node): Likewise do not read info no longer stored.
  99         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
 100         flag.
 101
 102 2010-04-30  Richard Guenther  <rguenther@suse.de>
 103
 104         PR tree-optimization/43879
 105         * tree-ssa-structalias.c (get_constraint_for_1): Properly
 106         handle non-zero initializers.
 107
 108 2010-04-30  Richard Guenther  <rguenther@suse.de>
 109
 110         * builtins.c (fold_builtin_1): Delete free (0).
 111
 112 2010-04-29  Jan Hubicka  <jh@suse.cz>
 113
 114         * gengtype.c (open_base_files): Add lto-streamer.h
 115         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
 116         (pass_ipa_cp): GGC collect.
 117         * toplev. (compile_file): Do not output symbols.
 118         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
 119         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
 120         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
 121         * lto-section-in.c: Include ggc.h
 122         (lto_new_in_decl_state): Alloc in GGC.
 123         (lto_delete_in_decl_state): Likewise.
 124         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
 125
 126 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
 127
 128         PR target/42895
 129         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
 130         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
 131         (HONOR_REG_ALLOC_ORDER): Describe new macro.
 132         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
 133         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
 134         account only if HONOR_REG_ALLOC_ORDER is not defined.
 135         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
 136         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
 137
 138 2010-04-29  Jon Grant <04@jguk.org>
 139
 140         * collect2.c (vflag): Change type from int to bool.
 141         (debug): Likewise.
 142         (helpflag): New global bool.
 143         (main): Set vflag and debug with boolean, not integer truth
 144         values.  Accept new "--help" option and output usage text if
 145         found.
 146         * collect2.h (vflag): Update prototype.
 147         (debug): Likewise.
 148
 149 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
 150
 151         PR bootstrap/43936
 152         * plugin.h (flag_plugin_added): Moved out of
 153         invoke_plugin_callbacks.
 154
 155 2010-04-29  Richard Guenther  <rguenther@suse.de>
 156
 157         PR bootstrap/43935
 158         * plugin.h (invoke_plugin_callbacks): Annotate arguments
 159         with ATTRIBUTE_UNUSED.
 160
 161 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
 162
 163         PR target/43921
 164         * config/i386/i386.c (get_some_local_dynamic_name): Replace
 165         INSN_P with NONDEBUG_INSN_P.
 166         (distance_non_agu_define): Likewise.
 167         (distance_agu_use): Likewise.
 168
 169 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
 170
 171         From Dominique d'Humieres <dominiq@lps.ens.fr>
 172         PR bootstrap/43858
 173         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
 174         test_set.
 175
 176 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
 177
 178         * plugin.h (invoke_plugin_callbacks): New inline function.
 179         * plugin.c (flag_plugin_added): New global flag.
 180         (add_new_plugin): Initialize above flag.
 181         (invoke_plugin_callbacks): Rename to ...
 182         (invoke_plugin_callbacks_full): ... this.
 183
 184 2010-04-28  Jan Hubicka  <jh@suse.cz>
 185
 186         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
 187         (lto_varpool_replace_node): New.
 188         (lto_symtab_resolve_symbols): Resolve varpool nodes.
 189         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
 190         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
 191         * cgraph.h (varpool_node_ptr): New type.
 192         (varpool_node_ptr): New vector.
 193         (varpool_node_set_def): New structure.
 194         (varpool_node_set): New type.
 195         (varpool_node_set): New vector.
 196         (varpool_node_set_element_def): New structure.
 197         (varpool_node_set_element, const_varpool_node_set_element): New types.
 198         (varpool_node_set_iterator): New type.
 199         (varpool_node): Add prev pointers, add used_from_other_partition,
 200         in_other_partition.
 201         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
 202         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
 203         varpool_get_node, varpool_remove_node): Declare.
 204         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
 205         varpool_node_set_size): New inlines.
 206         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
 207         * tree-pass.h (varpool_node_set_def): Forward declare.
 208         (ipa_opt_pass_d): Summary writting takes vnode sets too.
 209         (ipa_write_optimization_summaries): Update prototype.
 210         * ipa-cp.c (ipcp_write_summary): Update.
 211         * ipa-reference.c (ipa_reference_write_summary): Update.
 212         * lto-cgraph.c (lto_output_varpool_node): New static function.
 213         (output_varpool): New function.
 214         (input_varpool_node): New static function.
 215         (input_varpool_1): New function.
 216         (input_cgraph): Input varpool.
 217         * ipa-pure-const.c (pure_const_write_summary): Update.
 218         * lto-streamer-out.c (lto_output): Update, output varpool too.
 219         (write_global_stream): Kill WPA hack.
 220         (produce_asm_for_decls): Update.
 221         (output_alias_pair_p): Handle variables.
 222         (output_unreferenced_globals): Output only needed partition of varpool.
 223         * ipa-inline.c (inline_write_summary): Update.
 224         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
 225         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
 226         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
 227         varpool_node_set_new, varpool_node_set_add,
 228         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
 229         debug_varpool_node_set): New functions.
 230         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
 231         (execute_one_pass): Process new decls too.
 232         (ipa_write_summaries_2): Pass around vsets.
 233         (ipa_write_summaries_1): Likewise.
 234         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
 235         to add.
 236         (ipa_write_optimization_summaries_1): Pass around vsets.
 237         (ipa_write_optimization_summaries): Likewise.
 238         * varpool.c (varpool_get_node): New.
 239         (varpool_node): Update doubly linked lists.
 240         (varpool_remove_node): New.
 241         (dump_varpool_node): More dumping.
 242         (varpool_enqueue_needed_node): Update doubly linked lists.
 243         (decide_is_variable_needed): Kill ltrans hack.
 244         (varpool_finalize_decl): Kill lto hack.
 245         (varpool_assemble_decl): Skip decls in other partitions.
 246         (varpool_assemble_pending_decls): Update doubly linkes lists.
 247         (varpool_empty_needed_queue): Likewise.
 248         (varpool_extra_name_alias): Likewise.
 249         * lto-streamer.c (lto_get_section_name): Add vars section.
 250         * lto-streamer.h (lto_section_type): Update.
 251         (output_varpool, input_varpool): Declare.
 252
 253 2010-04-28  Mike Stump  <mikestump@comcast.net>
 254
 255         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
 256
 257 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 258
 259         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
 260         record or union type with RECORD_OR_UNION_TYPE_P predicate.
 261         (lto_input_ts_type_tree_pointers): Likewise.
 262         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
 263         (lto_output_ts_type_tree_pointers): Likewise.
 264
 265 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 266
 267         Uniquization of constants at the Tree level
 268         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
 269         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
 270         bit to the end.
 271         (tree_output_constant_def): Declare.
 272         * gimplify.c (gimplify_init_constructor): When using block copy, first
 273         uniquize the constant constructor on the RHS.
 274         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
 275         DECL_IN_CONSTANT_POOL flag.
 276         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
 277         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
 278         constant pool.
 279         (assemble_variable): Deal with symbols belonging to the tree constant
 280         pool.
 281         (get_constant_section): Add ALIGN parameter and simplify.
 282         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
 283         (assemble_constant_contents): Use the expression of the VAR_DECL.
 284         (output_constant_def_contents): Use the alignment of the VAR_DECL.
 285         (tree_output_constant_def): New global function.
 286         (mark_constant): Use the expression of the VAR_DECL.
 287         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
 288         its expression.
 289         (output_object_block): Likewise and assemble the expression.
 290
 291 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
 292
 293         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
 294         hash_tree, eq_tree): New tree hash table.
 295         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
 296         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
 297         lto_orig_address_remove): Reimplement.
 298
 299 2010-04-28  Xinliang David Li  <davidxl@google.com>
 300
 301         PR c/42643
 302         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
 303         (compute_uninit_opnds_pos): New function.
 304         (is_non_loop_exit_postdominating): New function.
 305         (compute_control_dep_chain): New function.
 306         (find_pdom): New function.
 307         (convert_control_dep_chain_into_preds): New function.
 308         (find_predicates): New function.
 309         (find_control_equiv_block): New function.
 310         (collect_phi_def_edges): New function.
 311         (find_def_preds): New function.
 312         (find_dom): New function.
 313         (dump_predicates): New function.
 314         (get_cmp_code): New function.
 315         (is_value_included_in): New function.
 316         (find_matching_predicate_in_rest_chains): New function.
 317         (use_pred_not_overlap_with_undef_path_pred): New function.
 318         (is_use_properly_guarded): New function.
 319         (normalize_cond_1): New function.
 320         (is_and_or_or): New function.
 321         (normalize_cond): New function.
 322         (is_gcond_subset_of): New function.
 323         (is_subset_of_any): New function.
 324         (is_or_set_subset_of): New function.
 325         (is_and_set_subset_of): New function.
 326         (is_norm_cond_subset_of): New function.
 327         (is_pred_expr_subset_of): New function.
 328         (is_pred_chain_subset_of): New function.
 329         (is_included_in): New function.
 330         (is_superset_of): New function.
 331         (find_uninit_use): New function.
 332         (warn_uninitialized_phi): New function.
 333         (compute_possibly_undefined_names): New function.
 334         (ssa_undefined_value_p): New function.
 335         (execute_late_warn_uninitialized): New function.
 336         * tree-ssa.c (ssa_undefined_value_p): Removed.
 337         (warn_uninit): Changed to extern.
 338         (warn_uninitialized_phi): Removed.
 339         (warn_uninitialized_vars): Changed to extern.
 340         (execute_late_warn_uninitialized): Removed
 341         * tree-flow.h: Add new prototypes.
 342         * timevar.def: Add new time variable.
 343         * Makefile.in: Add new build file.
 344
 345 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
 346
 347         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
 348         type if available.
 349
 350 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 351
 352         PR target/22224
 353         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
 354
 355 2010-04-28  Martin Jambor  <mjambor@suse.cz>
 356
 357         * cgraph.h (struct cgraph_node): New field indirect_calls.
 358         (struct cgraph_indirect_call_info): New type.
 359         (struct cgraph_edge): Removed field indirect_call. New fields
 360         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
 361         (cgraph_create_indirect_edge): Declare.
 362         (cgraph_make_edge_direct): Likewise.
 363         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
 364         * ipa-prop.h (struct ipa_param_call_note): Removed.
 365         (struct ipa_node_params): Removed field param_calls.
 366         (ipa_create_all_structures_for_iinln): Declare.
 367         * cgraph.c: Described indirect edges and uids in initial comment.
 368         (cgraph_add_edge_to_call_site_hash): New function.
 369         (cgraph_edge): Search also among the indirect edges, use
 370         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
 371         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
 372         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
 373         site hash.
 374         (initialize_inline_failed): Assign a reason to indirect edges.
 375         (cgraph_create_edge_1): New function.
 376         (cgraph_create_edge): Moved some functionality to
 377         cgraph_create_edge_1.
 378         (cgraph_create_indirect_edge): New function.
 379         (cgraph_edge_remove_callee): Add an assert checking for
 380         non-indirectness.
 381         (cgraph_edge_remove_caller): Special-case indirect edges.
 382         (cgraph_remove_edge): Likewise.
 383         (cgraph_set_edge_callee): New function.
 384         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
 385         (cgraph_make_edge_direct): New function.
 386         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
 387         the declaration of the call statement matches.
 388         (cgraph_node_remove_callees): Special-case indirect edges.
 389         (cgraph_clone_edge): Likewise.
 390         (cgraph_clone_node): Clone also the indirect edges.
 391         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
 392         indirect_call, dump count of indirect_calls edges.
 393         * ipa-prop.c (iinlining_processed_edges): New variable.
 394         (ipa_note_param_call): Create indirect edges instead of
 395         creating notes.  New parameter node.
 396         (ipa_analyze_call_uses): New parameter node, pass it on to
 397         ipa_note_param_call.
 398         (ipa_analyze_stmt_uses): Likewise.
 399         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
 400         (print_edge_addition_message): Work on edges rather than on notes.
 401         (update_call_notes_after_inlining): Likewise, renamed to
 402         update_indirect_edges_after_inlining.
 403         (ipa_create_all_structures_for_iinln): New function.
 404         (ipa_free_node_params_substructures): Do not free notes.
 405         (ipa_edge_duplication_hook): Propagate bits within
 406         iinlining_processed_edges bitmap.
 407         (ipa_node_duplication_hook): Do not duplicate notes.
 408         (free_all_ipa_structures_after_ipa_cp): Renamed to
 409         ipa_free_all_structures_after_ipa_cp.
 410         (free_all_ipa_structures_after_iinln): Renamed to
 411         ipa_free_all_structures_after_iinln.g
 412         (ipa_write_param_call_note): Removed.
 413         (ipa_read_param_call_note): Removed.
 414         (ipa_write_indirect_edge_info): New function.
 415         (ipa_read_indirect_edge_info): Likewise.
 416         (ipa_write_node_info): Do not stream notes, do stream information
 417         in indirect edges.
 418         (ipa_read_node_info): Likewise.
 419         (lto_ipa_fixup_call_notes): Removed.
 420         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
 421         * ipa-inline.c (pass_ipa_inline): Likewise.
 422         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
 423         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
 424         * tree-inline.c (copy_bb): Removed an unnecessary double check for
 425         is_gimple_call.
 426         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
 427         edges.
 428         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
 429         (output_cgraph): Stream also indirect edges.
 430         (lto_output_edge): Added capability to stream indirect edges.
 431         (input_edge): Likewise.
 432         (input_cgraph_1): Likewise.
 433         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
 434         of indirect edges.
 435
 436 2010-04-28  Richard Guenther  <rguenther@suse.de>
 437
 438         PR tree-optimization/43879
 439         PR tree-optimization/43909
 440         * tree-ssa-structalias.c (struct variable_info): Add
 441         only_restrict_pointers flag.
 442         (new_var_info): Initialize it.  Increment stats.total_vars here.
 443         (create_function_info_for): Do not increment stats.total_vars
 444         here.
 445         (get_function_part_constraint): Fix build with C++.
 446         (insert_into_field_list): Remove.
 447         (push_fields_onto_fieldstack): Properly merge fields.
 448         (create_variable_info_for): Split and simplify.
 449         (create_variable_info_for_1): New piece.
 450         (intra_create_variable_infos): Properly make restrict constraints
 451         from parameters.
 452
 453 2010-04-28  Richard Guenther  <rguenther@suse.de>
 454
 455         PR c++/43880
 456         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
 457         value-exprs.
 458
 459 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 460             Jan Hubicka <hubicka@ucw.cz>
 461
 462         * doc/invoke.texi (-Wsuggest-attribute=const,
 463         -Wsuggest-attribute=pure): Document.
 464         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
 465         (function_always_visible_to_compiler_p,
 466         suggest_attribute, warn_function_pure, warn_function_const):
 467         New functions.
 468         (check_call): Improve debug info.
 469         (analyze_function): Do not check availability.
 470         (add_new_function): Check availability.
 471         (propagate): Output warnings.
 472         (skip_function_for_local_pure_const): New function.
 473         (local_pure_const): Use it; output warnings.
 474         * common.opt (Wsuggest-attribute=const,
 475         Wsuggest-attribute=pure): New.
 476
 477 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
 478
 479         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
 480         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
 481         or DW_CFA_def_cfa_offset{,_sf}.
 482
 483 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
 484
 485         * tree.h: Fix truncated long macros.
 486
 487 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
 488
 489         * collect2.c (TARGET_64BIT): Redefine to target's default.
 490         * tlink.c: Likewise.
 491         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
 492         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
 493         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
 494         for underscoring __USER_LABEL_PREFIX__.
 495         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
 496         (SUB_LINK_ENTRY32): New.
 497         (SUB_LINK_ENTRY64): New.
 498         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
 499         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
 500         (SUB_LINK_ENTRY64): New.
 501         (SUB_LINK_ENTRY): New.
 502         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
 503         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
 504         x64 target is choosen.
 505         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
 506         * configure: Regenerated.
 507         * configure.ac (leading-mingw64-underscores): Option added.
 508
 509 2010-04-27  Jan Hubicka  <jh@suse.cz>
 510
 511         * doc/invoke.texi (-fipa-profile): Document.
 512         * opts.c (decode_options): Enable ipa-profile at -O1.
 513         * timevar.def (TV_IPA_PROFILE): Define.
 514         * common.opt (fipa-profile): Add.
 515         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
 516         flag for clones.
 517         (cgraph_propagate_frequency): Handle only local ones.
 518         * tree-pass.h (pass_ipa_profile): Declare.
 519         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
 520         (pass_ipa_profile): Use TV_IPA_PROFILE.
 521         * ipa.c (ipa_profile): New function.
 522         (gate_ipa_profile): Likewise.
 523         (pass_ipa_profile): New global variable.
 524         * passes.c (pass_ipa_profile): New.
 525
 526 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
 527
 528         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
 529
 530 2010-04-27  Martin Jambor  <mjambor@suse.cz>
 531
 532         PR middle-end/43812
 533         * ipa.c (dissolve_same_comdat_group_list): New function.
 534         (function_and_variable_visibility): Call
 535         dissolve_same_comdat_group_list when comdat group contains external or
 536         newly local nodes.
 537         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
 538         lists are circular and that they contain only DECL_ONE_ONLY nodes.
 539
 540 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
 541
 542         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
 543         (const_hash_1) <VECTOR_CST>: New case.
 544         (compare_constant) <VECTOR_CST>: Likewise.
 545         <ADDR_EXPR>: Deal with LABEL_REFs.
 546         (copy_constant) <VECTOR_CST>: New case.
 547
 548 2010-04-27  Jan Hubicka  <jh@suse.cz>
 549
 550         * cgraph.c (cgraph_propagate_frequency): New function.
 551         * cgraph.h (cgraph_propagate_frequency): Declare.
 552         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
 553         cgraph_propagate_frequency.
 554
 555 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
 556
 557         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
 558
 559 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
 560
 561         PR target/40657
 562         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
 563         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
 564         here to determine which regs to push and how much stack to reserve.
 565
 566 2010-04-27  Jie Zhang  <jie@codesourcery.com>
 567
 568         * doc/gimple.texi (gimple_statement_with_ops): Remove
 569         addresses_taken field.
 570         (gimple_statement_with_memory_ops): Likewise.
 571
 572 2010-04-27  Jan Hubicka  <jh@suse.cz>
 573
 574         * tree-inline.c (eni_inlining_weights): Remove.
 575         (estimate_num_insns): Special case more builtins.
 576
 577 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
 578
 579         PR c/32207
 580         * c-typeck.c (build_binary_op): Move forward check for comparison
 581         pointer with null pointer constant and adjust the diagnostic message.
 582
 583 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
 584
 585         PR lto/42776
 586         * configure.ac (gcc_cv_as_section_has_align): Set if installed
 587         binutils supports extended .section directive needed by LTO, or
 588         warn if older binutils found.
 589         (LTO_BINARY_READER): New AC_SUBST'd variable.
 590         (LTO_USE_LIBELF): Likewise.
 591         * gcc/config.gcc (lto_binary_reader): New target-specific configure
 592         variable.
 593         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
 594         (LTO_USE_LIBELF): Likewise.
 595         * configure: Regenerate.
 596
 597         * collect2.c (is_elf): Rename from this ...
 598         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
 599          object files in addition to ELF-formatted ones.
 600         (scan_prog_file): Caller updated.  Also allow for LTO info marker
 601         symbol to be prefixed or not by an extra underscore.
 602
 603         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
 604         * config/i386/winnt.c: Also #include lto-streamer.h
 605         (i386_pe_asm_named_section): Specify 1-byte section alignment for
 606         LTO named sections.
 607         (i386_pe_asm_output_aligned_decl_common): Add comment.
 608         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
 609
 610 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
 611
 612         PR target/43889
 613         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
 614         Add missing earlyclobber for second alternative.
 615
 616 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
 617
 618         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
 619         bits for artificial defs at the top of the block.
 620         * fwprop.c (single_def_use_enter_block): Don't call it.
 621
 622 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
 623
 624         PR 43715
 625         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
 626         instead of "$gcc_cv_objdump -T".
 627         Use "-undefined dynamic_lookup" on darwin.
 628         * gcc/configure: Regenerate.
 629
 630 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
 631
 632         PR c/43893
 633         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
 634
 635 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
 636
 637         * c-parser.c (struct c_token): Move location field up.
 638         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
 639         (struct c_declspecs): Convert typespec_word, storage_class, and
 640         default_int_p into bitfields.
 641         (struct c_declarator): Move loc field up.
 642
 643 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
 644
 645         * cfgloop.h (struct loop): Move can_be_parallel field up.
 646         * ipa-prop.h (struct ip_node_params): Move bitfields up.
 647         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
 648         down.
 649         (struct iv_cand): Convert pos field into a bitfield.
 650         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
 651         field up.
 652         (struct _stmt_vec_info): Shuffle fields for better packing.
 653
 654 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
 655
 656         * varasm.c (IN_NAMED_SECTION): Remove guard.
 657         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
 658         (IN_NAMED_SECTION_P): ...this.
 659         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
 660         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
 661
 662 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
 663
 664         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
 665         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
 666         of shadowing it.  Fix comments.
 667
 668 2010-04-26  Jan Hubicka  <jh@suse.cz>
 669
 670         * cgraph.c (cgraph_create_node): Set node frequency to normal.
 671         (cgraph_clone_node): Copy function frequency.
 672         * cgraph.h (node_frequency): New enum
 673         (struct cgraph_node): Add.
 674         * final.c (rest_of_clean_state): Update.
 675         * lto-cgraph.c (lto_output_node): Output node frequency.
 676         (input_overwrite_node): Input node frequency.
 677         * tre-ssa-loop-ivopts (computation_cost): Update.
 678         * lto-streamer-out.c (output_function): Do not output function
 679         frequency.
 680         * predict.c (maybe_hot_frequency_p): Update and handle functions
 681         executed once.
 682         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
 683         attribute lookup.
 684         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
 685         (compute_function_frequency): Set noreturn functions to be executed
 686         once.
 687         (choose_function_section): Update.
 688         * lto-streamer-in.c (input_function): Do not input function frequency.
 689         * function.c (allocate_struct_function): Do not initialize function
 690         frequency.
 691         * function.h (function_frequency): Remove.
 692         (struct function): Remove function frequency.
 693         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
 694         (try_update): Update.
 695         * tree-inline.c (initialize_cfun): Do not update function frequency.
 696         * passes.c (pass_init_dump_file): Update.
 697         * i386.c (ix86_compute_frame_layout): Update.
 698         (ix86_pad_returns): Update.
 699
 700 2010-04-26  Jie Zhang  <jie@codesourcery.com>
 701
 702         PR tree-optimization/43833
 703         * tree-vrp.c (range_int_cst_p): New.
 704         (range_int_cst_singleton_p): New.
 705         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
 706         when both operands are constants.  Use range_int_cst_p in
 707         BIT_IOR_EXPR case.
 708
 709 2010-04-26  Jan Hubicka  <jh@suse.cz>
 710
 711         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
 712
 713 2010-04-26  Richard Guenther  <rguenther@suse.de>
 714
 715         PR lto/43080
 716         * gimple.c (gimple_decl_printable_name): Deal gracefully
 717         with a NULL DECL_NAME.
 718
 719 2010-04-26  Richard Guenther  <rguenther@suse.de>
 720
 721         PR lto/42425
 722         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
 723         if emitting debug information and it is either a function
 724         or a namespace decl.
 725
 726 2010-04-26  Ira Rosen  <irar@il.ibm.com>
 727
 728         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
 729         determine if the statement is vectorizable, and a macro to access it.
 730         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
 731         Skip statements that can't be vectorized. If the analysis fails,
 732         mark the statement as unvectorizable if vectorizing basic block.
 733         (vect_compute_data_refs_alignment): Likewise.
 734         (vect_verify_datarefs_alignment): Skip statements marked as
 735         unvectorizable. Add print.
 736         (vect_analyze_group_access): Skip statements that can't be
 737         vectorized. If the analysis fails, mark the statement as
 738         unvectorizable if vectorizing basic block.
 739         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
 740         * tree-vect-stmts.c (vectorizable_store): Fix the number of
 741         generated stmts for SLP.
 742         (new_stmt_vec_info): Initialize the new field.
 743         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
 744         statements marked as unvectorizable.
 745
 746 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
 747
 748         * c-common.c (flag_isoc1x): New.
 749         (flag_isoc99): Update comment.
 750         * c-common.h (flag_isoc1x): New.
 751         (flag_isoc99): Update comment.
 752         * c-cppbuiltin.c (builtin_define_float_constants): Also define
 753         __<type>_DECIMAL_DIG__.
 754         * c-opts.c (set_std_c1x): New.
 755         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
 756         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
 757         * c.opt (-std=c1x, -std=gnu1x): New options.
 758         * doc/cpp.texi: Mention -std=c1x.
 759         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
 760         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
 761         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
 762         * doc/standards.texi: Mention C1X.
 763         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
 764         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
 765         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
 766         Define for C1X.
 767
 768 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
 769
 770         * config/i386/gmon-sol2.c (_mcleanup): Change format string
 771         placeholder from 0x%x to %#x.
 772         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
 773         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
 774         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
 775         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
 776         * config/i386/i386.c (ix86_target_string): Ditto.
 777         (output_pic_addr_const): Ditto.
 778         (print_operand): Ditto.
 779
 780 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
 781
 782         * combine.c (find_split_point): Add third argument.  Use it
 783         to find nested multiply-accumulate instructions.  Adjust calls.
 784         (try_combine): Adjust call to find_split_point.
 785
 786 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
 787
 788         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
 789
 790 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
 791
 792         PR tree-optimization/41442
 793         * fold-const.c (merge_truthop_with_opposite_arm): New function.
 794         (fold_binary_loc): Call it.
 795
 796 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 797
 798         * toplev.c (general_init): Set default for fdiagnostics-show-option.
 799         * opts.c (common_handle_option): Allow disabling it.
 800         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
 801
 802 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
 803
 804         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
 805         between modes if both types are integral.
 806
 807 2010-04-23  Richard Guenther  <rguenther@suse.de>
 808
 809         PR tree-optimization/43572
 810         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
 811
 812 2010-04-23  Richard Guenther  <rguenther@suse.de>
 813
 814         PR lto/43455
 815         * tree-inline.c (tree_can_inline_p): Also check compatibility
 816         of return types.
 817
 818 2010-04-23  Martin Jambor  <mjambor@suse.cz>
 819
 820         PR tree-optimization/43846
 821         * tree-sra.c (struct access): New flag grp_assignment_read.
 822         (build_accesses_from_assign): Set grp_assignment_read.
 823         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
 824         (enum mark_read_status): New type.
 825         (analyze_access_subtree): Propagate grp_assignment_read, create
 826         accesses also if both direct_read and root->grp_assignment_read.
 827
 828 2010-04-23  Martin Jambor  <mjambor@suse.cz>
 829
 830         PR middle-end/43835
 831         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
 832         function does not have type attributes.
 833
 834 2010-04-23  Richard Guenther  <rguenther@suse.de>
 835
 836         PR lto/42653
 837         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
 838         of FUNCTION_DECLs.
 839
 840 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 841
 842         * sese.h (create_if_region_on_edge): Remove.
 843
 844         * sese.c (create_if_region_on_edge): Make static.
 845
 846         * tree-inline.c: Do not include ggc.h.
 847
 848         * expr.c: Do not include ggc.h.
 849
 850         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
 851         dependencies.
 852
 853 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 854
 855         PR target/43744
 856         * config/sh/sh.c (find_barrier): Don't emit a constant pool
 857         in the middle of insns for casesi_worker_2.
 858
 859 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
 860
 861         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
 862
 863 2010-04-22  Ira Rosen  <irar@il.ibm.com>
 864
 865         PR tree-optimization/43842
 866         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
 867         loop unrolling in update of exit phis. Fix comment.
 868         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
 869         least two reduction statements in the loop before starting SLP
 870         analysis.
 871
 872 2010-04-22  Nick Clifton  <nickc@redhat.com>
 873
 874         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
 875
 876 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
 877
 878         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
 879         to simplify a + ~a.
 880
 881 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 882
 883         * tree-parloops.c (loop_parallel_p): New argument
 884         parloop_obstack.  Pass it down.
 885         (parallelize_loops): New variable parloop_obstack.  Initialize it,
 886         pass it down, free it.
 887
 888         * tree-loop-linear.c (linear_transform_loops): Pass down
 889         lambda_obstack.
 890
 891         * tree-data-ref.h (lambda_compute_access_matrices): New argument
 892         of type struct obstack *.
 893
 894         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
 895         scratch_obstack.  Initialize it, pass down, free it.
 896
 897         * lambda.h (lambda_loop_new): Remove.
 898         (lambda_matrix_new, lambda_matrix_inverse)
 899         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
 900         argument of type struct obstack *.
 901
 902         * lambda-trans.c (lambda_trans_matrix_new): New argument
 903         lambda_obstack.  Pass it down, use obstack allocation for ret.
 904         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
 905         it down.
 906
 907         * lambda-mat.c (lambda_matrix_get_column)
 908         (lambda_matrix_project_to_null): Remove.
 909         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
 910         allocation for mat.
 911         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
 912         lambda_obstack.
 913
 914         * lambda-code.c (lambda_loop_new): New function.
 915         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
 916         (lambda_compute_auxillary_space, lambda_compute_target_space)
 917         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
 918         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
 919         (build_access_matrix): New argument lambda_obstack.  Use obstack
 920         allocation for am.
 921         (lambda_compute_step_signs, lambda_compute_access_matrices): New
 922         argument lambda_obstack.  Pass it down.
 923
 924 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 925
 926         * optabs.h (expand_widening_mult): Declare.
 927
 928 2010-04-22  Richard Guenther  <rguenther@suse.de>
 929
 930         PR tree-optimization/43845
 931         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
 932         lookup the CALL_EXPR function and arguments.
 933
 934 2010-04-22  Nick Clifton  <nickc@redhat.com>
 935
 936         * config/stormy16/stormy16.c
 937         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
 938         * config/stormy16/stormy16.h: Tidy up formatting.
 939         (DONT_USE_BUILTIN_SETJMP): Remove definition.
 940         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
 941         (ineqbranchsi): Delete pattern.
 942         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
 943         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
 944         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
 945         stormy16-lib2-ucmpsi2.c.
 946
 947 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 948
 949         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
 950         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
 951         extra set merge_set_noclobber, and use it to relax the final test
 952         slightly.
 953         * df.h (df_simulate_find_noclobber_defs): Declare.
 954         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
 955         conditional defs.
 956         (df_simulate_find_noclobber_defs): New function.
 957
 958 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
 959
 960         * config/i386/i386.md: Use {} around multi-line preparation statements.
 961
 962 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 963
 964         * c-tree.h (push_init_level, pop_init_level, set_init_index)
 965         (process_init_element): New argument of type struct obstack *.
 966
 967         * c-typeck.c (push_init_level, pop_init_level, set_designator)
 968         (set_init_index, set_init_label, set_nonincremental_init)
 969         (set_nonincremental_init_from_string, find_init_member)
 970         (output_init_element, output_pending_init_elements)
 971         (process_init_element): New argument braced_init_obstack.  Pass it
 972         down.
 973         (push_range_stack, add_pending_init): New argument
 974         braced_init_obstack.  Use obstack allocation.
 975
 976         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
 977         braced_init_obstack.  Pass it down.
 978         (c_parser_braced_init): New variables ret, braced_init_obstack.
 979         Initialize obstack, pass it down and finally free it.
 980
 981 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
 982
 983         PR middle-end/29274
 984         * tree-pass.h (pass_optimize_widening_mul): Declare.
 985         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
 986         gate_optimize_widening_mul): New static functions.
 987         (pass_optimize_widening_mul): New.
 988         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
 989         <case MULT_EXPR>: Remove support for widening multiplies.
 990         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
 991         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
 992         simplify_gen_unary rather than directly building extensions.
 993         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
 994         WIDEN_MULT_EXPR.
 995         * expmed.c (expand_widening_mult): New function.
 996         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
 997
 998 2010-04-21  Jan Hubicka  <jh@suse.cz>
 999
1000         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1001         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1002         * lto-wpa-fixup.c: Remove.
1003         * Makefile.in (lto-wpa-fixup.o): Remove.
1004         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1005         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1006         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1007
1008 2010-04-21  Jan Hubicka  <jh@suse.cz>
1009
1010         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1011         add write_optimization_summary, read_optimization_summary.
1012         (ipa_write_summaries_of_cgraph_node_set): Remove.
1013         (ipa_write_optimization_summaries): Declare.
1014         (ipa_read_optimization_summaries): Declare.
1015         * ipa-cp.c (pass_ipa_cp): Update.
1016         * ipa-reference.c (pass_ipa_reference): Update.
1017         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1018         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1019         Update.
1020         * ipa-inline.c (pass_ipa_inline): Update.
1021         * ipa.c (pass_ipa_whole_program): Update.
1022         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1023         * passes.c (ipa_write_summaries_1): Do not test wpa.
1024         (ipa_write_optimization_summaries_1): New.
1025         (ipa_write_optimization_summaries): New.
1026         (ipa_read_summaries): Do not test ltrans.
1027         (ipa_read_optimization_summaries_1): New.
1028         (ipa_read_optimization_summaries): New.
1029
1030 2010-04-21  Jan Hubicka  <jh@suse.cz>
1031
1032         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1033         for boundary nodes.
1034         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1035
1036 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1037
1038         PR debug/40040
1039         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1040         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1041
1042 2010-04-21  Jan Hubicka  <jh@suse.cz>
1043
1044         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1045
1046 2010-04-21  Jan Hubicka  <jh@suse.cz>
1047
1048         * varpool.c (decide_is_variable_needed): Variable is always needed
1049         during ltrans.
1050
1051 2010-04-21  Jan Hubicka  <jh@suse.cz>
1052
1053         * opts.c (decode_options): Enable pure-const pass for whopr.
1054
1055 2010-04-21  Jan Hubicka  <jh@suse.cz>
1056
1057         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1058         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1059         at WPA dumping.
1060         (cgraph_decide_inlining): Do not expect callee to be removed in all
1061         cases.
1062
1063 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1064
1065         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1066
1067 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1070         amdfam10_decode attributes.
1071
1072 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1073
1074         PR middle-end/43570
1075         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1076         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1077         (lower_copyprivate_clauses): Use private var in outer
1078         context instead of original var.  Make sure the types
1079         are correct for VLAs.
1080
1081 2010-04-21  Richard Guenther  <rguenther@suse.de>
1082
1083         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1084         to non-pointer objects.
1085
1086 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1087
1088         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1089         last chain entry if it starts with the still current label.
1090         (add_location_or_const_value_attribute): Check that
1091         loc_list->first->next is NULL instead of comparing ->first with ->last.
1092         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1093         to add_var_loc_to_decl.
1094
1095         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1096         >= 4 add also address size and segment size fields into CIE header.
1097
1098         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1099         long as address size is the same as sizeof (void *) and
1100         segment size is 0.
1101         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1102         address size or segment size is unexpected, return DW_EH_PE_omit.
1103         (classify_object_over_fdes): If get_cie_encoding returned
1104         DW_EH_PE_omit, return -1.
1105         (init_object): If classify_object_over_fdes returned -1,
1106         pretend there were no FDEs at all.
1107
1108 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1109
1110         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1111         bswap{si,di}2 using SWI48 mode iterator.
1112         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1113         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1114         set modrm attribute of bswap insn to 0 and remove length attribute.
1115         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1116         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1117         set mode attribute to <MODE> and remove length attribute.
1118
1119 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1120
1121         PR rtl-optimization/43520
1122         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1123         zero available registers.
1124
1125 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1126
1127         * builtins.c (fold_builtin_cproj): Fold more cases.
1128
1129 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1130
1131         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1132         (fold_builtin_1): Fold builtin cproj.
1133         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1134         Use ATTR_CONST_NOTHROW_LIST.
1135
1136 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1137
1138         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1139         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1140         ffsi2_no_cmove for !TARGET_CMOVE.
1141         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1142         (ffssi2): Remove expander.
1143         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1144         mode iterator.
1145         (ctz<mode>2): Ditto from ctz{si,di}2.
1146         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1147         mode iterator.
1148         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1149         mode iterator.
1150
1151 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1152
1153         * dwarf2out.c (AT_linkage_name): Define.
1154         (clone_as_declaration): Handle DW_AT_linkage_name.
1155         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1156         of DW_AT_MIPS_linkage_name.
1157         (move_linkage_attr): Likewise.
1158         (dwarf2out_finish): Likewise.
1159
1160 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1161
1162         PR middle-end/41952
1163         * fold-const.c (fold_comparison): New folding rule.
1164
1165 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1166
1167         * double-int.h (double_int_setbit): Declare.
1168         * double-int.c (double_int_setbit): New function.
1169         * rtl.h (immed_double_int_const): Declare.
1170         * emit-rtl.c (immed_double_int_const): New function.
1171         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1172         and immed_double_int_const functions.
1173         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1174         expand_copysign_bit):  (Ditto.).
1175         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1176         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1177         * dojump.c (prefer_and_bit_test): (Ditto.).
1178         * expr.c (convert_modes, reduce_to_bit_field_precision,
1179         const_vector_from_tree): (Ditto.).
1180         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1181
1182 2010-04-20  Jan Hubicka  <jh@suse.cz>
1183
1184         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1185         (dump_cgraph_node): Dump new flags.
1186         * cgraph.h (struct cgraph_node): Add flags
1187         reachable_from_other_partition and in_other_partition.
1188         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1189         other partition can not be removed.
1190         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1191         the other partition must be output; silence sanity checking on
1192         leaking functions bodies from other paritition.
1193         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1194         (lto_output_node): Output new flags; do not sanity check that inline
1195         clones are output; drop lto_forced_extern_inline_p code; do not mock
1196         visibility flags at partition boundaries.
1197         (add_node_to): New function.
1198         (output_cgraph): Use it to sort functions so masters appear before
1199         clones.
1200         (input_overwrite_node): Input new flags.
1201         * passes.c (ipa_write_summaries): Do not call
1202         lto_new_extern_inline_states.
1203         * lto-section-out.c (forced_extern_inline,
1204         lto_new_extern_inline_states lto_delete_extern_inline_states,
1205         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1206         * lto-streamer.h (lto_new_extern_inline_states,
1207         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1208         lto_forced_extern_inline_p): Kill.
1209
1210 2010-04-20  Richard Guenther  <rguenther@suse.de>
1211
1212         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1213         from vars that can have pointers.
1214         (process_constraint): Dump useless constraints.
1215
1216 2010-04-20  Richard Guenther  <rguenther@suse.de>
1217
1218         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1219         (dump_sa_points_to_info): Remove asserts.
1220         (init_base_vars): nothing_id isn't an escape point nor does it
1221         have pointers.
1222
1223 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1224
1225         * tree.h (TYPE_REF_IS_RVALUE): Define.
1226         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1227         should_move_die_to_comdat, prune_unused_types_walk): Handle
1228         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1229         (modified_type_die, gen_reference_type_die): Emit
1230         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1231         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1232
1233 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1234
1235         PR target/43635
1236         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1237         calls for -fpic -m31 if they have been sibcall optimized.
1238
1239 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1240
1241         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1242         ar.lc fixed and call-used.
1243
1244         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1245
1246 2010-04-19  Jan Hubicka  <jh@suse.cz>
1247
1248         * opts.c (decode_options): Disable whpr incompatible passes.
1249         * lto/lto.c (lto_1_to_1_map): Skip clones.
1250         (read_cgraph_and_symbols): Do not mark everything as needed.
1251         (do_whole_program_analysis): Do map only after optimizing;
1252         set proper cgraph_state; use passmanager.
1253
1254 2010-04-19  DJ Delorie  <dj@redhat.com>
1255
1256         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1257         POINTER_PLUS_EXPR and fix them.
1258
1259 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1260
1261         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1262         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1263         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1264         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1265         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1266         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1267         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1268         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1269         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1270         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1271         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1272
1273 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1274
1275         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1276         (check_cond_move_block): Likewise.
1277         (cond_move_process_if_block): Likewise.
1278         (noce_find_if_block): Improve formatting.
1279         (find_if_header): Pass 0 to memset and tweak conditions.
1280         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1281
1282 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1283
1284         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1285         for -gdwarf-4.
1286
1287         PR middle-end/43337
1288         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1289         with non-local decl doesn't need chain.
1290
1291 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1292
1293         * ira-color.c (allocno_reload_assign): Avoid accumulating
1294         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1295
1296 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1297
1298         * gimple.h (create_tmp_reg): Declare.
1299         * gimplify.c (create_tmp_reg): New function.
1300         (gimplify_return_expr): Use create_tmp_reg.
1301         (gimplify_omp_atomic): Likewise.
1302         (gimple_regimplify_operands): Likewise.
1303         * tree-dfa.c (make_rename_temp): Likewise.
1304         * tree-predcom.c (predcom_tmp_var): Likewise.
1305         (reassociate_to_the_same_stmt): Likewise.
1306         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1307         (get_replaced_param_substitute): Likewise.
1308         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1309         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1310         * tree-ssa-pre.c (get_representative_for): Likewise.
1311         (create_expression_by_pieces): Likewise.
1312         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1313         (create_tailcall_accumulator): Likewise.
1314
1315 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1316
1317         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1318         new_stmt.
1319         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1320
1321 2010-04-19  Richard Guenther  <rguenther@suse.de>
1322
1323         PR tree-optimization/43796
1324         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1325         from SCEV in the lattice.
1326         (vrp_visit_phi_node): Dump change.
1327
1328 2010-04-19  Richard Guenther  <rguenther@suse.de>
1329
1330         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1331         * configure: Re-generated.
1332
1333 2010-04-19  Richard Guenther  <rguenther@suse.de>
1334
1335         PR tree-optimization/43783
1336         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1337         constant ARRAY_REF operands two and three if possible.
1338
1339 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1340
1341         PR target/43766
1342         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1343
1344 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1345
1346         PR target/43662
1347         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1348
1349 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1350
1351         PR tree-optimization/37027
1352         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1353         and macro to access it.
1354         (vectorizable_reduction): Add argument.
1355         (vect_get_slp_defs): Likewise.
1356         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1357         statements for possible use in SLP.
1358         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1359         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1360         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1361         add new argument.
1362         (vectorizable_reduction): Likewise.
1363         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1364         vect_get_slp_defs.
1365         (vectorizable_type_demotion, vectorizable_type_promotion,
1366         vectorizable_store): Likewise.
1367         (vect_analyze_stmt): Update call to vectorizable_reduction.
1368         (vect_transform_stmt): Likewise.
1369         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1370         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1371         from different interleaving chains in same node.
1372         (vect_slp_rearrange_stmts): New function.
1373         (vect_supported_load_permutation_p): Allow load permutations for
1374         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1375         inside SLP nodes if necessary.
1376         (vect_analyze_slp_instance): Handle reductions.
1377         (vect_analyze_slp): Try to build SLP instances originating from groups
1378         of reductions.
1379         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1380         (vect_get_constant_vectors): Create initial vectors for reductions
1381         according to reduction code. Add new argument.
1382         (vect_get_slp_defs): Add new argument, pass it to
1383         vect_get_constant_vectors.
1384         (vect_schedule_slp_instance): Remove SLP tree root statements.
1385
1386 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1387
1388         * tree.h (ENUM_IS_SCOPED): Define.
1389         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1390         for ENUM_IS_SCOPED enums.
1391
1392 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1393
1394         * fold-const.c (fold_comparison): Use ssizetype.
1395         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1396         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1397         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1398         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1399
1400         * tree.h (initialize_sizetypes): Remove parameter.
1401         (build_common_tree_nodes): Remove second parameter.
1402         * stor-layout.c (initialize_sizetypes): Remove parameter.
1403         Always create an unsigned type.
1404         (set_sizetype): Assert that the passed type is unsigned and simplify.
1405         * tree.c (build_common_tree_nodes): Remove second parameter.
1406         Adjust call to initialize_sizetypes.
1407         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1408         build_common_tree_nodes.
1409
1410 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1411
1412         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1413
1414 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1415
1416         PR tree-optimization/43771
1417         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1418         load permutation doesn't have gaps.
1419
1420 2010-04-18  Jan Hubicka  <jh@suse.cz>
1421
1422         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1423         (sse_prologue_save_insn expander): Use new pattern.
1424         (sse_prologue_save_insn1): New pattern and splitter.
1425         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1426         blocks.
1427         * i386.c (setup_incoming_varargs_64): Do not compute jump
1428         destination here.
1429         (ix86_gimplify_va_arg): Update alignment needed.
1430         (ix86_local_alignment): Do not align all local arrays to 128bit.
1431
1432 2010-04-17  Jan Hubicka  <jh@suse.cz>
1433
1434         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1435
1436 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1437
1438         * arm.md (negdi2): Remove redundant code to force values into a
1439         register.
1440
1441 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1442
1443         * arm/bpabi.S: Add EABI alignment attributes to objects.
1444         * arm/bpabi-v6m.S: Likewise.
1445         * arm/crti.asm: Likewise.
1446         * arm/crtn.asm: Likewise.
1447         * arm/lib1funcs.asm: Likewise.
1448         * arm/libunwind.S: Likewise.
1449
1450 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1451
1452         * arm-protos.h (tune_params): New structure.
1453         * arm.c (current_tune): New variable.
1454         (arm_constant_limit): Delete.
1455         (struct processors): Add pointer to the tune parameters.
1456         (arm_slowmul_tune): New tuning option.
1457         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1458         (all_cores): Adjust to pick up the tuning model.
1459         (arm_constant_limit): New function.
1460         (arm_override_options): Select the appropriate tuning model.  Delete
1461         initialization of arm_const_limit.
1462         (arm_split_constant): Use the new constant-limit model.
1463         (arm_rtx_costs): Pick up the current tuning model.
1464         * arm.md (is_strongarm, is_xscale): Delete.
1465         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1466         for Xscale variant architectures.
1467         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1468
1469 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1470
1471         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1472         can_shift.
1473         (arm_rtx_costs_1): Remove unused variable extra_cost.
1474         (arm_unwind_emit_set): Use variable offset.
1475         (thumb1_output_casesi): Remove unused variable flags.
1476
1477 2010-04-16  Jeff Law  <law@redhat.com>
1478
1479         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1480         needing assignment rather than doing a two-phase assignment.  Remove
1481         unused variable 'm'.
1482
1483 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1484
1485         PR bootstrap/43767
1486         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1487
1488 2010-04-16  Doug Kwan  <dougkwan@google.com>
1489
1490         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1491         (next_operand_entry_id): New static variable.
1492         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1493         (add_to_ops_vec): Assigned unique ID to operand entry.
1494         (struct oecount_s): New field ID.
1495         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1496         (undistribute_ops_list): Assign unique IDs to oecounts.
1497         (init_reassoc): reset next_operand_entry_id.
1498
1499 2010-04-16  Doug Kwan  <dougkwan@google.com>
1500
1501         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1502         missing left parenthesis.
1503
1504 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1505
1506         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1507         *btdi_rex64 using SWI48 mode iterator.
1508         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1509         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1510         *jcc_btdi_mask_rex64.
1511
1512 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1513
1514         * double-int.h (tree_to_double_int): Convert to macro.
1515         * double-int.c (tree_to_double_int): Remove.
1516
1517 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1518
1519         PR debug/43762
1520         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1521         with want_address 2 and in case a single element list might be
1522         possible, call it again with want_address 0.
1523
1524 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1525
1526         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1527         case 'W' print operands for HI mode.
1528         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1529         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1530         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1531         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1532
1533         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1534
1535         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1536         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1537         #xx:3 and #xx:4 mode.
1538
1539         * config/h8300/h8300.md (inverted load with HImode dest): Add
1540         support for H8300SX.
1541
1542         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1543         satisfy 'U' constraint.
1544
1545 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1546
1547         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1548         * configure: Regenerate.
1549         * config.in: Regenerate.
1550         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1551         works.
1552
1553 2010-04-16  Richard Guenther  <rguenther@suse.de>
1554
1555         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1556         (struct tree_decl_common): ... here.
1557         (DECL_PT_UID): Adjust.
1558         (SET_DECL_PT_UID): Likewise.
1559         (DECL_PT_UID_SET_P): Likewise.
1560
1561 2010-04-16  Richard Guenther  <rguenther@suse.de>
1562
1563         PR tree-optimization/43572
1564         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1565         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1566         * tree-flow.h (is_call_clobbered): Remove.
1567         * tree-flow-inline.h (is_call_clobbered): Likewise.
1568         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1569         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1570         (execute_return_slot_opt): Adjust.
1571         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1572         check for call clobbered vars here.
1573         (find_tail_calls): Move tailcall verification to the
1574         proper place.
1575
1576 2010-04-16  Diego Novillo  <dnovillo@google.com>
1577
1578         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1579
1580 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1581
1582         PR target/40603
1583         * config/arm/arm.md (cbranchqi4): New pattern.
1584         * config/arm/predicates.md (const0_operand,
1585         cbranchqi4_comparison_operator): New predicates.
1586
1587 2010-04-16  Richard Guenther  <rguenther@suse.de>
1588
1589         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1590         (dump_gimple_stmt): Likewise.
1591
1592 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1593
1594         * recog.h (struct recog_data): New field is_operator.
1595         (struct insn_operand_data): New field is_operator.
1596         * recog.c (extract_insn): Set recog_data.is_operator.
1597         * genoutput.c (output_operand_data): Emit code to set the
1598         is_operator field.
1599         * reload.c (find_reloads): Use it rather than testing for an
1600         empty constraint string.
1601
1602         PR target/41514
1603         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1604         If the previous insn is a cbranchsi4_insn with the same arguments,
1605         omit the compare instruction.
1606
1607         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1608         register, inputs must be low registers and we need a low register
1609         scratch.  Handle alternative 2 like alternative 3.
1610
1611 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1612
1613         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1614         don't call get_addr on both.  If one expression is a VALUE and
1615         the other a REG, check VALUE's locs if the REG isn't among them.
1616
1617 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1618
1619         * config/sh/sh.h (sh_frame_pointer_required): New function.
1620         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1621         (flag_omit_frame_pointer) Set.
1622         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1623         (rounded_frame_size): Adjust size with outgoing_args_size.
1624         (sh_set_return_address): Must return from stack pointer.
1625         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1626         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1627         (ACCUMULATE_OUTGOING_ARGS): Define.
1628         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1629         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1630
1631 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1632
1633         PR target/43471
1634         * config/sh/sh.c (sh_legitimize_reload_address): Use
1635         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1636         Remove a unneeded check for offset_base.
1637
1638 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1639
1640         * configure: Regenerated.
1641
1642 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1643
1644         * config/s390/s390.c (s390_call_save_register_used): Switch back
1645         to HARD_REGNO_NREGS.
1646
1647 2010-04-15  Richard Guenther  <rguenther@suse.de>
1648
1649         * alias.c (alias_set_subset_of): Handle alias-set zero
1650         child properly.
1651
1652 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1653             Julian Brown  <julian@codesourcery.com>
1654
1655         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1656         alternatives according to use of high and low regs.
1657         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1658         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1659         optimizing for size on Thumb-2.
1660
1661 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1662
1663         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1664
1665 2010-04-15  Richard Guenther  <rguenther@suse.de>
1666
1667         * tree-ssa-structalias.c (struct variable_info): Add
1668         is_fn_info flag.
1669         (new_var_info): Initialize it.
1670         (dump_constraints): Support printing last added constraints.
1671         (debug_constraints): Adjust.
1672         (dump_constraint_graph): Likewise.
1673         (make_heapvar_for): Check for NULL cfun.
1674         (get_function_part_constraint): New function.
1675         (get_fi_for_callee): Likewise.
1676         (find_func_aliases): Properly implement IPA PTA constraints.
1677         (process_ipa_clobber): New function.
1678         (find_func_clobbers): Likewise.
1679         (insert_into_field_list_sorted): Remove.
1680         (create_function_info_for): Properly allocate vars for IPA mode.
1681         Do not use insert_into_field_list_sorted.
1682         (create_variable_info_for): Properly generate constraints for
1683         global vars in IPA mode.
1684         (dump_solution_for_var): Always dump the solution.
1685         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1686         (find_what_var_points_to): Adjust.
1687         (pt_solution_set): Change.
1688         (pt_solution_ior_into): New function.
1689         (pt_solution_empty_p): Export.
1690         (pt_solution_includes_global): Adjust.
1691         (pt_solution_includes_1): Likewise.
1692         (pt_solutions_intersect_1): Likewise.
1693         (dump_sa_points_to_info): Check some invariants.
1694         (solve_constraints): Move constraint dumping ...
1695         (compute_points_to_sets): ... here.
1696         (ipa_pta_execute): ... and here.
1697         (compute_may_aliases): Do not re-compute points-to info
1698         locally if IPA info is available.
1699         (ipa_escaped_pt): New global var.
1700         (ipa_pta_execute): Properly implement IPA PTA.
1701         * tree-into-ssa.c (dump_decl_set): Support dumping
1702         decls not in referenced-vars.
1703         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1704         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1705         (dump_points_to_solution): Likewise.
1706         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1707         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1708         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1709         (copy_decl_to_var): Copy DECL_PT_UID.
1710         (copy_result_decl_to_var): Likewise.
1711         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1712         (copy_node_stat): Copy it.
1713         * tree.h (DECL_PT_UID): New macro.
1714         (SET_DECL_PT_UID): Likewise.
1715         (DECL_PT_UID_SET_P): Likewise.
1716         (struct tree_decl_minimal): Add pt_uid member.
1717         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1718         (pt_solution_empty_p): Declare.
1719         (pt_solution_set): Adjust.
1720         (ipa_escaped_pt): Declare.
1721         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1722         * gimple-pretty-print.c (pp_points_to_solution): New function.
1723         (dump_gimple_call): Dump call clobber/use information.
1724         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1725         * tree-pass.h (TDF_ALIAS): New dump option.
1726         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1727         * doc/invoke.texi (-fipa-pta): Update documentation.
1728
1729 2010-04-15  Richard Guenther  <rguenther@suse.de>
1730
1731         * Makefile.in (OBJS-common): Add gimple-fold.o.
1732         (gimple-fold.o): New rule.
1733         * tree.h (maybe_fold_offset_to_reference,
1734         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1735         prototypes ...
1736         * gimple.h: ... here.
1737         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1738         may_propagate_address_into_dereference): Move prototypes ...
1739         * gimple.h: ... here.
1740         * tree-ssa-ccp.c (get_symbol_constant_value,
1741         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1742         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1743         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1744         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1745         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1746         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1747         gimplify_and_update_call_from_tree): Move ...
1748         * gimple-fold.c: ... here.  New file.
1749         (ccp_fold_builtin): Rename to ...
1750         (gimple_fold_builtin): ... this.
1751         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1752
1753 2010-04-15  Richard Guenther  <rguenther@suse.de>
1754
1755         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1756         fit_double_type, force_fit_type_double, add_double_with_sign,
1757         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1758         lrotate_double, rrotate_double, div_and_round_double): Move ...
1759         * double-int.c: ... here.
1760         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1761         add_double, neg_double, mul_double_with_sign, mul_double,
1762         lshift_double, rshift_double, lrotate_double, rrotate_double,
1763         div_and_round_double): Move prototypes ...
1764         * double-int.h: ... here.
1765
1766 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1767
1768         PR target/43742
1769         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1770         matching constraints to ensure inputs match the output.
1771
1772 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1773
1774         PR target/43742
1775         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1776         in an input-only operand.
1777
1778 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1779
1780         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1781         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1782         (double_int_negative_p): Convert to static inline function.
1783         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1784         (double_int_negative_p): Remove.
1785         * tree.h (lshift_double, rshift_double):
1786         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1787         * fold-const.c (fold_convert_const_int_from_real,
1788         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1789         (lshift_double): Change type of arith argument to bool.
1790         (rshift_double): Change type of arith argument to bool. Correct
1791         comment.
1792         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1793
1794 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1795
1796         PR target/21803
1797         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1798         at the start and end of the then/else blocks, and omit them from the
1799         conversion.
1800         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1801         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1802         (flow_find_head_matching_sequence): New function.
1803         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1804         * basic-block.h (flow_find_cross_jump,
1805         flow_find_head_matching_sequence): Declare functions.
1806
1807 2010-04-14  Jason Merrill  <jason@redhat.com>
1808
1809         PR c++/36625
1810         * c-common.c (attribute_takes_identifier_p): New fn.
1811         * c-common.h: Declare it.
1812
1813 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1814
1815         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1816         splitter condition.
1817         (*udivmod<mode>4): Ditto.
1818
1819 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1820
1821         * config/i386/i386.md (maxmin_int): Rename code attribute from
1822         maxminiprefix and update all users.
1823         (maxmin_float): Ditto from maxminfprefix.
1824         (logic): Ditto from logicprefix.
1825         (absneg_mnemonic): Ditto from absnegprefix.
1826         * config/i386/mmx.md: Update all users of maxminiprefix,
1827         maxminfprefix and logicprefix for rename.
1828         * config/i386/sse.md: Ditto.
1829         * config/i386/sync.md (sync_<code><mode>): Update for
1830         logicprefix rename.
1831
1832 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1833
1834         PR 42966
1835         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1836         warnings converted to errors.
1837
1838 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1839
1840         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1841         used insn_type variable.
1842         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1843         to avoid set-but-not-used warning.
1844
1845 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1846
1847         * df-core.c (df_ref_debug): Change format string placeholder
1848         from 0x%x to %#x.
1849         * dwarf2asm.c (dw2_asm_output_data_raw,
1850         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1851         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1852         * dwarf2out.c (output_cfi, output_cfi_directive,
1853         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1854         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1855         Ditto.
1856         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1857         * print-rtl.c (print_rtx): Ditto.
1858
1859 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1860
1861         PR middle-end/42694
1862         * builtins.c (expand_builtin_pow_root): New function to expand pow
1863         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1864         series of sqrt and cbrt calls under -ffast-math.
1865         (expand_builtin_pow): Call it.
1866
1867 2010-04-14  Michael Matz  <matz@suse.de>
1868
1869         PR tree-optimization/42963
1870         * tree-cfg.c (touched_switch_bbs): New static variable.
1871         (group_case_labels_stmt): New function broken out from ...
1872         (group_case_labels): ... here, use the above.
1873         (start_recording_case_labels): Allocate touched_switch_bbs.
1874         (end_recording_case_labels): Deallocate it, call
1875         group_case_labels_stmt.
1876         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1877
1878 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1881         from insn template.
1882
1883 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1884
1885         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1886
1887 2010-04-13  Jan Hubicka  <jh@suse.cz>
1888
1889         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1890         of optimized out static functions.
1891         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1892         cost computation.  Also sanity check for overflows.
1893         (update_caller_keys): Update cgraph_edge_badness call; properly
1894         update fibheap and sanity check that it is up to date.
1895         (add_new_edges_to_heap): Update cgraph_edge_badness.
1896         (cgraph_decide_inlining_of_small_function): Likewise;
1897         add sanity checking that badness in heap is up to date;
1898         improve dumping of reason; Update badness of calls to the
1899         offline copy of function currently inlined; dump badness
1900         of functions not inlined because of unit growth limits.
1901
1902 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         PR middle-end/32628
1905         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1906         because of sign-extension change when converting to sizetype here...
1907         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1908
1909         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1910         the folding to constants.  Remove redundant final conversion.
1911         (fold_binary) <associate>: Do not associate if the re-association of
1912         constants alone overflows.
1913         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1914         to the end of the list.
1915         (multiple_of_p) <COND_EXPR>: New case.
1916
1917 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1918
1919         * opt-functions.awk (opt_sanitized_name): New.
1920         (opt_enum): New.
1921         * optc-gen.awk: Use it
1922         * opth-gen.awk: Use it.
1923
1924 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1925
1926         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1927         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1928         children.  Call replace_uses_with_default_def_ssa_name to handle
1929         SSA_NAES on lhs.
1930
1931 2010-04-13  Michael Matz  <matz@suse.de>
1932
1933         PR middle-end/43730
1934         * builtins.c (expand_builtin_interclass_mathfn): Also create
1935         a register if the predicate doesn't match.
1936
1937 2010-04-13  Diego Novillo  <dnovillo@google.com>
1938
1939         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1940         * c-pch.c: Include timevar.h.
1941         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1942         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1943         * ggc-common.c: Include timevar.h.
1944         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1945         * timevar.def (TV_PCH_SAVE): Define.
1946         (TV_PCH_CPP_SAVE): Define.
1947         (TV_PCH_PTR_REALLOC): Define.
1948         (TV_PCH_PTR_SORT): Define.
1949         (TV_PCH_RESTORE): Define.
1950         (TV_PCH_CPP_RESTORE): Define.
1951
1952 2010-04-13  Michael Matz  <matz@suse.de>
1953
1954         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1955         into MINUS_EXPRs.
1956         (can_reassociate_p): New function.
1957         (break_up_subtract_bb, reassociate_bb): Use it.
1958
1959 2010-04-13  Richard Guenther  <rguenther@suse.de>
1960
1961         PR bootstrap/43737
1962         * builtins.c (c_readstr): Fix assert.
1963
1964 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1965
1966         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1967         when generating cltd insn.
1968
1969         (*ashl<mode>3_1): Remove special handling for register operand 2.
1970         (*ashlsi3_1_zext): Ditto.
1971         (*ashlhi3_1): Ditto.
1972         (*ashlhi3_1_lea): Ditto.
1973         (*ashlqi3_1): Ditto.
1974         (*ashlqi3_1_lea): Ditto.
1975         (*<shiftrt_insn><mode>3_1): Ditto.
1976         (*<shiftrt_insn>si3_1_zext): Ditto.
1977         (*<shiftrt_insn>qi3_1_slp): Ditto.
1978         (*<rotate_insn><mode>3_1): Ditto.
1979         (*<rotate_insn>si3_1_zext): Ditto.
1980         (*<rotate_insn>qi3_1_slp): Ditto.
1981
1982 2010-04-13  Richard Guenther  <rguenther@suse.de>
1983
1984         * tree-ssa-structalias.c (callused_id): Remove.
1985         (call_stmt_vars): New.
1986         (get_call_vi): Likewise.
1987         (lookup_call_use_vi): Likewise.
1988         (lookup_call_clobber_vi): Likewise.
1989         (get_call_use_vi): Likewise.
1990         (get_call_clobber_vi): Likewise.
1991         (make_transitive_closure_constraints): Likewise.
1992         (handle_const_call): Adjust to do per-call call-used handling.
1993         (handle_pure_call): Likewise.
1994         (find_what_var_points_to): Remove general callused handling.
1995         (init_base_vars): Likewise.
1996         (init_alias_vars): Initialize call_stmt_vars.
1997         (compute_points_to_sets): Process call-used and call-clobbered
1998         vars for call statements.
1999         (delete_points_to_sets): Free call_stmt_vars.
2000
2001 2010-04-13  Richard Guenther  <rguenther@suse.de>
2002
2003         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2004         Only add RW dependence for dependence distance zero.
2005         Adjust maximal vectorization factor according to dependences.
2006         Move alignment handling ...
2007         (vect_find_same_alignment_drs): ... here.  New function.
2008         (vect_analyze_data_ref_dependences): Adjust.
2009         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2010         (vect_analyze_data_refs): Adjust minimal vectorization factor
2011         according to data references.
2012         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2013         dependences before determining the vectorization factor.
2014         Analyze alignment after determining the vectorization factor.
2015         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2016         dependences before alignment.
2017         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2018         Adjust prototype.
2019         (vect_analyze_data_refs): Likewise.
2020         (MAX_VECTORIZATION_FACTOR): New define.
2021
2022 2010-04-13  Duncan Sands  <baldrick@free.fr>
2023
2024         * except.h (lang_eh_type_covers): Remove.
2025         * except.c (lang_eh_type_covers): Likewise.
2026
2027 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2028             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2029
2030         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2031         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2032         UNITS_PER_LONG where it is ABI relevant.
2033         (s390_return_addr_rtx): Likewise.
2034         (s390_back_chain_rtx): Likewise.
2035         (s390_frame_area): Likewise.
2036         (s390_frame_info): Likewise.
2037         (s390_initial_elimination_offset): Likewise.
2038         (save_gprs): Likewise.
2039         (s390_emit_prologue): Likewise.
2040         (s390_emit_epilogue): Likewise.
2041         (s390_function_arg_advance): Likewise.
2042         (s390_function_arg): Likewise.
2043         (s390_va_start): Likewise.
2044         (s390_gimplify_va_arg): Likewise.
2045         (s390_function_profiler): Likewise.
2046         (s390_optimize_prologue): Likewise.
2047         (s390_rtx_costs): Likewise.
2048         (s390_secondary_reload): Likewise.
2049         (s390_promote_function_mode): Likewise.
2050         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2051         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2052         registers available.
2053         (s390_unwind_word_mode): New function.
2054         (s390_function_value): Split 64 bit values into register pair if
2055         used as return value.
2056         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2057         function call parameters.  Handle parallels.
2058         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2059         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2060         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2061         (s390_expand_setmem): Remove unused variable src_addr.
2062         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2063         deal with 64 bit registers.
2064         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2065         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2066         (UNITS_PER_LONG): New macro.
2067         * libjava/include/s390-signal.h: Define extended ucontext
2068         structure containing the upper halfs of the 64 bit registers.
2069
2070 2010-04-13  Simon Baldwin  <simonb@google.com>
2071
2072         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2073
2074 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2075
2076         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2077         rvalue on the RHS if the LHS is of a non-renamable type.
2078         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2079
2080 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2081
2082         * gcc.c (cc1_options): Handle -iplugindir before processing
2083         the cc1 spec. Only add -iplugindir once.
2084         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2085         found.
2086         * common.opt (iplugindir): Remove `Separate' property, initialize.
2087         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2088         option.
2089         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2090         (distclean): Remove plugin dir.
2091         * doc/invoke.texi: Document -iplugindir.
2092
2093 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2094
2095         * doc/plugins.texi (Loading Plugins): Document short
2096         -fplugin=foo option.
2097         (Plugin API): Mention default_plugin_dir_name function.
2098
2099         * gcc.c (find_file_spec_function): Add new declaration.
2100         (static_spec_func): Use it for "find-file".
2101         (find_file_spec_function): Add new function.
2102         (cc1_options): Add -iplugindir option if -fplugin* options found.
2103
2104         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2105
2106         * plugin.c (add_new_plugin): Updated comment, and handle short
2107         plugin name.
2108         (default_plugin_dir_name): Added new function.
2109
2110         * common.opt (iplugindir): New option to set the plugin directory.
2111
2112 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2113
2114         * config/i386/i386.md (any_rotate): New code iterator.
2115         (rotate_insn): New code attribute.
2116         (rotate): Ditto.
2117         (SWIM124): New mode iterator.
2118         (<rotate_insn>ti3): New expander.
2119         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2120         any_rotate code iterator.
2121         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2122         using any_rotate code iterator and SWIM124 mode iterator.
2123         (ix86_rotlti3): New insn_and_split pattern.
2124         (ix86_rotrti3): Ditto.
2125         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2126         ix86_rotl{di,ti}3 patterns.
2127         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2128         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2129         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2130         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2131         code iterator and SWI mode iterator.
2132         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2133         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2134         code iterator.
2135         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2136         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2137         (bswap rotatert splitter): Add splitter.
2138         (bswap splitter): Macroize splitter using any_rotate code iterator.
2139         Add insn predicate to split only for TARGET_USE_XCHGB or when
2140         optimizing function for size.
2141
2142 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2143
2144         * config/pa/pa.c (emit_move_sequence): Remove use of
2145         deleted variable flag_argument_noalias.
2146
2147 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2148
2149         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2150         configurations.
2151         Add to unsupported targets list.
2152         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2153         sparc*-sun-solaris2.[567]* from target lists.
2154         * configure: Regenerate.
2155         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2156         removal.
2157         Remove Solaris 7 patch references.
2158         (Specific, sparc-sun-solaris2.7): Removed.
2159         (sparc-sun-solaris2*): Update Solaris 7 example.
2160         (sparc64-*-solaris2*): Likewise.
2161
2162 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2163
2164         * config.build (alpha*-dec-osf4*): Remove.
2165         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2166         of obsolete configurations.
2167         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2168         support.
2169         * config/alpha/t-osf4: Renamed to ...
2170         * config/alpha/t-osf5: ... this.
2171         * config/alpha/osf.h: Renamed to ...
2172         * config/alpha/osf5.h: ... this.
2173         Merged old osf5.h contents.
2174         Update comments.
2175         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2176         (EXTRA_SPECS): Removed.
2177         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2178         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2179         Document that.
2180
2181 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2182
2183         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2184
2185 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2186
2187         PR/43702
2188         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2189         __thiscall convention.
2190
2191 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2192
2193         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2194         orig_base.
2195         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2196
2197 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2198
2199         * function.c (assign_parms_initialize_all): Add unused attribute
2200         to fntype.
2201
2202 2010-04-12  Richard Guenther  <rguenther@suse.de>
2203
2204         * gsstruct.def (GSS_CALL): New.
2205         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2206         * gimple.h: Include tree-ssa-alias.h.
2207         (struct gimple_statement_call): New.
2208         (union gimple_statement_struct_d): Add gimple_call member.
2209         (gimple_call_reset_alias_info): Declare.
2210         (gimple_call_use_set): New function.
2211         (gimple_call_clobber_set): Likewise.
2212         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2213         * gimple.c (gimple_call_reset_alias_info): New function.
2214         (gimple_build_call_1): Call it.
2215         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2216         * tree-inline.c (remap_gimple_stmt): Likewise.
2217         (expand_call_inline): Remove callused handling.
2218         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2219         * tree-dfa.c (dump_variable): Likewise.
2220         * tree-parloops.c (parallelize_loops): Likewise.
2221         * tree-ssa.c (init_tree_ssa): Likewise.
2222         (delete_tree_ssa): Likewise.
2223         * tree-flow-inline.h (is_call_used): Remove.
2224         * tree-flow.h (struct gimple_df): Remove callused member.
2225         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2226         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2227         (ref_maybe_used_by_call_p_1): Simplify.
2228         (call_may_clobber_ref_p_1): Likewise.
2229         * tree-ssa-structalias.c (compute_points_to_sets): Set
2230         the call stmt used and clobbered sets.
2231         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2232         (find_tail_calls): Verify the tail call.
2233
2234 2010-04-12  Richard Guenther  <rguenther@suse.de>
2235
2236         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2237         single-iteration always-inline inlining.
2238         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2239         (cgraph_decide_inlining): Do not handle always-inline specially.
2240         (try_inline): Remove always-inline cycle detection special case.
2241         Do not recurse on always-inlines.
2242         (cgraph_early_inlining): Do not iterate if not optimizing.
2243         (cgraph_gate_early_inlining): remove.
2244         (pass_early_inline): Run unconditionally.
2245         (gate_cgraph_decide_inlining): New function.
2246         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2247         not inlining or optimizing.
2248         (cgraph_decide_inlining_of_small_functions): Also consider
2249         always-inline functions.
2250         (cgraph_default_inline_p): Return true for nodes which should
2251         disregard inline limits.
2252         (estimate_function_body_sizes): Assume zero size and time for
2253         nodes which are marked as disregarding inline limits.
2254         (cgraph_decide_recursive_inlining): Do not perform recursive
2255         inlining on always-inline nodes.
2256
2257 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2258
2259         PR bootstrap/43699
2260         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2261         for exprs satisfying handled_component_p.
2262
2263 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2264
2265         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2266         non-constant aggregate elements.
2267
2268         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2269         is a real initialization.
2270
2271 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2272
2273         PR c/36774
2274         * c-decl.c (start_function): Move forward check for nested function.
2275
2276 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2277
2278         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2279         * config/sh/sh.c: Include reload.h.
2280         (sh_legitimize_reload_address): New.
2281         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2282         sh_legitimize_reload_address.
2283
2284 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2285
2286         * config/sh/sh.md (*movqi_pop): New insn pattern.
2287         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2288
2289 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2290
2291         * config/i386/i386.md (any_shiftrt): New code iterator.
2292         (shiftrt_insn): New code attribute.
2293         (shiftrt): Ditto.
2294         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2295         using any_shiftrt code iterator.
2296         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2297         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2298         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2299         pattern from corresponding peephole2 patterns.
2300         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2301         using any_shiftrt code iterator.
2302         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2303         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2304         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2305         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2306         *{ashr,lshr}<mode>3_cmp_zext.
2307         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2308
2309 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2310
2311         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2312         scratch register.
2313         (*lshr<mode>3_cconly): Ditto.
2314
2315 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2316
2317         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2318         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2319         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2320         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2321         DWI mode iterator.
2322         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2323         from corresponding peephole2 patterns.
2324         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2325         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2326         and *lshrdi3_1_rex64 using SWI mode iterator.
2327         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2328         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2329         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2330         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2331         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2332         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2333         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2334         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2335         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2336         SWI mode iterator.
2337
2338 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2341         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2342         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2343         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2344         DWI mode iterator.
2345         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2346         from corresponding peephole2 patterns.
2347         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2348         (ashrsi3_cvt): Rename from ashrsi3_31.
2349         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2350         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2351         and x86_64_shift_adj_3 using SWI48 mode iterator.
2352         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2353         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2354         and *ashrdi3_1_rex64 using SWI mode iterator.
2355         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2356         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2357         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2358         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2359         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2360         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2361         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2362         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2363         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2364         SWI mode iterator.
2365         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2366         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2367         x86_shift<mode>_adj_3 expanders.
2368
2369 2010-04-10  Wei Guozhi  <carrot@google.com>
2370
2371         PR target/42601
2372         * config/arm/arm.c (arm_pic_static_addr): New function.
2373         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2374         a static symbol.
2375         (arm_output_addr_const_extra): Output expression for new pattern.
2376         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2377
2378 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2379
2380         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2381         not enabled.
2382
2383         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2384         * web.c: Include "insn-config.h" and "recog.h".
2385         (union_match_dups): New function.
2386         (web_main): Call it.
2387         (union_defs): Don't try to recognize match_dups.
2388
2389         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2390         if doing so would replace the entire pattern.
2391
2392 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2393
2394         PR target/43707
2395         PR target/43709
2396         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2397         and splitter pattern.  Change splitter operand 1 predicate to
2398         nonmemory_operand.
2399
2400 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2401
2402         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2403         lattices are addresses of CONST_DECLs with the same initial value.
2404         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2405         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2406
2407 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2408             Bernd Schmidt  <bernds@codesourcery.com>
2409
2410         * loop-invariant.c (replace_uses): New static function.
2411         (move_invariant_reg): Use it to ensure we can replace the uses.
2412
2413 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2414
2415         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2416         function template.
2417         (picochip_override_options): Enable section anchors only above -O1.
2418         (picochip_reorg): Fixed a couple of build warnings.
2419
2420 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2421
2422         * configure.ac (plugin -rdynamic test): Log result.
2423         * configure: Regenerate.
2424         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2425         (RDYNAMIC_SPEC): Define.
2426         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2427
2428 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2429
2430         * configure.ac: Determine Sun ld version numbers.
2431         (comdat_group): Restrict GNU ld version checks to gld.
2432         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2433         (enable_comdat): Support --enable-comdat.
2434         * configure: Regenerate.
2435         * doc/install.texi (Configuration): Document --enable-comdat.
2436
2437 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2438
2439         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2440         * config/sol2-gld.h: ... here.
2441         * config.gcc (sparc*-*-solaris2*): Reflect this.
2442         (i[34567]86-*-solaris2*): Use it.
2443
2444 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2445
2446         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2447         setup_clocks_p.
2448         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2449
2450 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2451
2452         PR 42965
2453         * diagnostic.c (diagnostic_initialize): Initialize
2454         some_warnings_are_errors.
2455         (diagnostic_finish): New.
2456         (diagnostic_action_after_output): Call it before exiting.
2457         (diagnostic_report_diagnostic): Do not print message here. Set
2458         some_warnings_are_errors.
2459         * diagnostic.h (diagnostic_context): Delete
2460         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2461         (diagnostic_finish): Declare.
2462         * toplev.c (toplev_main): Call it before exit.
2463
2464 2010-04-09  Jason Merrill  <jason@redhat.com>
2465
2466         PR c++/42623
2467         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2468         for incomplete type.
2469
2470         PR c++/41788
2471         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2472         based on a warning flag.
2473
2474 2010-04-09  Richard Guenther  <rguenther@suse.de>
2475
2476         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2477
2478 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2479
2480         PR bootstrap/43684
2481         * varasm.c (default_assemble_visibility): Wrap vars that are
2482         set, but unused, by targets without GAS.
2483         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2484         Remove set, but unused, vars.
2485         (rs6000_legitimize_tls_address): Likewise.
2486         (altivec_expand_dst_builtin): Likewise.
2487         * config/darwin.c (machopic_classify_symbol): Likewise.
2488         (machopic_indirection_name): Likewise.
2489
2490 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2491
2492         * config/i386/i386.md (DWI): New mode iterator.
2493         (S): New mode attribute.
2494         (shift_operand): Ditto.
2495         (shift_immediate_operand): Ditto.
2496         (ashl_input_operand): Ditto.
2497         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2498         using SDWIM mode iterator.
2499         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2500         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2501         DWI mode iterator.
2502         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2503         from corresponding peephole2 patterns.
2504         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2505         and x86_64_shift_adj_1 using SWI48 mode iterator.
2506         (x86_shift<mode>_adj_2): Ditto.
2507         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2508         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2509         using SWI48 mode iterator.
2510         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2511         *ashldi3_cmp_rex64 using SWI mode iterator.
2512         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2513         *ashldi3_cconly_rex64 using SWI mode iterator.
2514         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2515         x86_shift<mode>_adj_{1,2}.
2516         (ix86_split_ashr): Ditto.
2517         (ix86_split_lshr): Ditto.
2518
2519 2010-04-09  Richard Guenther  <rguenther@suse.de>
2520
2521         * target.h (builtin_conversion): Pass in input and output types.
2522         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2523         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2524         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2525         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2526
2527         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2528         Handle AVX modes.
2529         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2530
2531 2010-04-09  Richard Guenther  <rguenther@suse.de>
2532
2533         PR target/43152
2534         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2535
2536 2010-04-09  Richard Guenther  <rguenther@suse.de>
2537
2538         * tree-vectorizer.h (struct _stmt_vec_info): Document
2539         that vectype is the type of the LHS.
2540         (supportable_widening_operation, supportable_narrowing_operation):
2541         Get both input and output vector types as arguments.
2542         (vect_is_simple_use_1): Declare.
2543         (get_same_sized_vectype): Likewise.
2544         * tree-vect-loop.c (vect_determine_vectorization_factor):
2545         Set STMT_VINFO_VECTYPE to the vector type of the def.
2546         (vectorizable_reduction): Adjust.
2547         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2548         Adjust.  Specify the output vector type.
2549         (vect_pattern_recog_1): Adjust.
2550         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2551         (vectorizable_call): Adjust.
2552         (vectorizable_conversion): Likewise.
2553         (vectorizable_operation): Likewise.
2554         (vectorizable_type_demotion): Likewise.
2555         (vectorizable_type_promotion): Likewise.
2556         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2557         the def.
2558         (vect_is_simple_use_1): New function.
2559         (supportable_widening_operation): Get both input and output
2560         vector types.
2561         (supportable_narrowing_operation): Likewise.
2562         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2563
2564 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2565
2566         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2567         __thiscall and _thiscall as predefined macros.
2568         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2569         thiscall attribute handling.
2570         (ix86_comp_type_attributes): Likewise.
2571         (ix86_function_regparm): Likewise.
2572         (ix86_return_pops_args): Likewise.
2573         (init_cumulative_args): Likewise.
2574         (find_drap_reg): Likewise.
2575         (ix86_static_chain): Likewise.
2576         (x86_this_parameter): Likewise.
2577         (x86_output_mi_thunk): Likewise.
2578         (ix86_attribute_table): Add description for thiscall attribute.
2579         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2580         * doc/extend.texi: Add documentation for thiscall.
2581
2582 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2583
2584         PR c++/28584
2585         * c.opt (Wint-to-pointer-cast): Available in C++.
2586         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2587
2588 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2589
2590         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2591         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2592         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2593         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2594         function type instead.  Reorder and simplify checks.
2595
2596         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2597
2598 2010-04-08  Jing Yu  <jingyu@google.com>
2599             Zdenek Dvorak  <ook@ucw.cz>
2600
2601         PR tree-optimization/42720
2602         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2603         loop unswitch conditions here from ...
2604         (tree_unswitch_single_loop): ... here.
2605
2606 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2607
2608         * tree-if-conv.c: Fix comments and simplify logic.
2609
2610 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2613         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2614         (main_tree_if_conversion): Update call to tree_if_conversion.
2615
2616 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2617
2618         PR 42485
2619         * doc/invoke.texi (-b,-V): Delete.
2620         * doc/tm.texi: Do not mention -b.
2621         * gcc.c (display_help): Delete -b and -V.
2622         (process_command): Delete -b and -V.
2623         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2624
2625 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2626             Wolfgang Gellerich  <gellerich@de.ibm.com>
2627
2628         Implement target hook for loop unrolling
2629         * target.h (loop_unroll_adjust): Add a new target hook function.
2630         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2631         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2632         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2633         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2634         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2635         target hook.
2636         (decide_unroll_stupid): Likewise.
2637
2638 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2639
2640         PR target/43643
2641         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2642
2643 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2644
2645         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2646         (Specific, *-*-solaris2*): Likewise.
2647         Don't prefer Sun as over GNU as.
2648
2649 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2650
2651         * config/s390/s390.c (override_options): Adjust the z10
2652           defaults for max-unroll-times, max-completely-peeled-insns
2653           and max-completely-peel-times.
2654
2655 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2656
2657         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2658         instructions for z10.
2659         (s390_expand_setmem): Likewise.
2660         (s390_expand_cmpmem): Likewise.
2661
2662 2010-04-08  Richard Guenther  <rguenther@suse.de>
2663
2664         PR tree-optimization/43679
2665         * tree-ssa-pre.c (eliminate): Only propagate copies.
2666
2667 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2668
2669         PR bootstrap/43681
2670         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2671         set but not used variable warning.
2672
2673 2010-04-08  Wei Guozhi  <carrot@google.com>
2674
2675         PR target/41653
2676         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2677         (arm_size_rtx_costs): Call the new function when optimized for size.
2678
2679 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2680
2681         PR debug/43670
2682         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2683         op0 is not a MEM, just return NULL instead of assertion
2684         failure.
2685         (discover_nonconstant_array_refs): Don't walk debug stmts.
2686
2687 2010-04-08  Doug Kwan  <dougkwan@google.com>
2688
2689         * configure.ac: Recognize gold and do not use its version number
2690         to test ld features.
2691         * configure: Regenerate.
2692
2693 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2694
2695         PR middle-end/40815
2696         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2697         (negate_value): Move code to push elements to broken_up_substracts ...
2698         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2699         negative pair to plus_negates.
2700         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2701
2702 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2703
2704         * doc/install.texi (Configuration): Move description of
2705         --enable-lto, --with-libelf*, --enable-gold from Java section to
2706         general section.
2707
2708         * doc/generic.texi (Working with declarations)
2709         (Function Properties, C and C++ Trees): Fix typos.
2710         * doc/sourcebuild.texi (Top Level): Likewise.
2711
2712 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2713
2714         PR c/18624
2715         * tree.h (DECL_READ_P): Define.
2716         (struct tree_decl_common): Add decl_read_flag.
2717         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2718         a set but not used warning.
2719         (merge_decls): Merge DECL_READ_P flag.
2720         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2721         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2722         * c-common.c (handle_used_attribute, handle_unused_attribute):
2723         Likewise.
2724         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2725         New prototypes.
2726         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2727         New functions.
2728         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2729         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2730         c_parser_binary_expression, c_parser_cast_expression,
2731         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2732         Call default_function_array_read_conversion instead of
2733         default_function_array_conversion where needed.
2734         (c_parser_unary_expression, c_parser_conditional_expression,
2735         c_parser_postfix_expression_after_primary, c_parser_initelt):
2736         Likewise.  Call mark_exp_read where needed.
2737         (c_parser_statement_after_labels, c_parser_asm_operands,
2738         c_parser_typeof_specifier, c_parser_sizeof_expression,
2739         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2740         where needed.
2741         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2742         New.
2743         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2744         (warn_unused_but_set_parameter): Default to warn_unused
2745         && extra_warnings.
2746         * doc/invoke.texi: Document -Wunused-but-set-variable and
2747         -Wunused-but-set-parameter.
2748
2749         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2750         used count variable.
2751         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2752         when operandN variables aren't used in the body of the expander
2753         or splitter.
2754         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2755         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2756         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2757         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2758         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2759         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2760         * tree.c (PROCESS_ARG): Likewise.
2761
2762 2010-04-07  Simon Baldwin  <simonb@google.com>
2763
2764         * diagnostic.h (diagnostic_override_option_index): New macro to
2765         set a diagnostic's option_index.
2766         * c-tree.h (c_cpp_error): Add warning reason argument.
2767         * opts.c (_warning_as_error_callback): New.
2768         (register_warning_as_error_callback): Store callback for
2769         warnings enabled via enable_warning_as_error.
2770         (enable_warning_as_error): Call callback, minor code tidy.
2771         * opts.h (register_warning_as_error_callback): Declare.
2772         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2773         response to -Werror=.
2774         (c_common_init_options): Register warning_as_error_callback in opts.c.
2775         * common.opt: Add -Wno-cpp option.
2776         * c-common.c (struct reason_option_codes_t): Map cpp warning
2777         reason codes to gcc option indexes.
2778         * (c_option_controlling_cpp_error): New function, lookup the gcc
2779         option index for a cpp warning reason code.
2780         * (c_cpp_error): Add warning reason argument, call
2781         c_option_controlling_cpp_error for diagnostic_override_option_index.
2782         * doc/invoke.texi: Document -Wno-cpp.
2783
2784 2010-04-07  Richard Guenther  <rguenther@suse.de>
2785
2786         * ipa-reference.c (mark_load): Use get_base_address.
2787         (mark_store): Likewise.
2788
2789         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2790         inserting GIMPLE_NOPs into the IL.
2791         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2792         Explicitly strip handled components and indirect references.
2793
2794         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2795         folding address expressions.
2796         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2797         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2798         operand_equal_p to compare decls.
2799         (ptr_deref_may_alias_decl_p): Likewise.
2800         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2801         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2802         Handle reversed comparison ops.
2803         * tree-sra.c (asm_visit_addr): Use get_base_address.
2804         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2805         * ipa-reference.c (mark_address): Use get_base_address.
2806
2807 2010-04-07  Richard Guenther  <rguenther@suse.de>
2808
2809         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2810         Propagate constants everywhere.
2811
2812 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2813
2814         PR debug/43516
2815         * tree.c (MAX_INT_CACHED_PREC): Define.
2816         (nonstandard_integer_type_cache): New array.
2817         (build_nonstandard_integer_type): Cache results for precision
2818         <= MAX_INT_CACHED_PREC.
2819
2820 2010-04-07  Richard Guenther  <rguenther@suse.de>
2821
2822         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2823         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2824         * common.opt: Likewise.
2825         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2826         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2827         (nonoverlapping_memrefs_p): Likewise.
2828         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2829         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2830         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2831         OPT_fargument_noalias_global for backward compatibility.
2832
2833 2010-04-07  Richard Guenther  <rguenther@suse.de>
2834
2835         PR tree-optimization/43270
2836         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2837         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2838         * tree-ssa-pre.c (phi_translate_1): Adjust.
2839         (fully_constant_expression): Split out vn_reference handling to ...
2840         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2841         Fold reads from constant strings.
2842         (vn_reference_lookup): Handle fully constant references.
2843         (vn_reference_lookup_pieces): Likewise.
2844         * Makefile.in (expmed.o-warn): Add -Wno-error.
2845
2846 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2847
2848         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2849
2850 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2851
2852         PR driver/41594
2853         * gcc.c: Add -static-libstdc++ to list of recognized options.
2854
2855 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2856
2857         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2858
2859 2010-04-07  Richard Guenther  <rguenther@suse.de>
2860
2861         PR middle-end/42617
2862         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2863         bases build simple mem attributes to retain points-to information.
2864
2865 2010-04-07  Richard Guenther  <rguenther@suse.de>
2866
2867         PR middle-end/42617
2868         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2869         preserve points-to related information.
2870
2871 2010-04-07  Richard Guenther  <rguenther@suse.de>
2872
2873         PR middle-end/42617
2874         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2875         discard plain indirect references.
2876         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2877         * tree.c (tree_nop_conversion): Likewise.
2878
2879 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2880
2881         PR debug/43628
2882         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2883
2884 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2885
2886         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2887         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2888
2889 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         * tree-if-conv.c: Fix indentation and comments.
2892
2893 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         * tree-if-conv.c: Sort static functions in topological order.
2896
2897 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * tree-if-conv.c: Fix indentation and comments.
2900
2901 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2902
2903         PR middle-end/43519
2904         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2905         lang_hooks.types.type_for_size instead of
2906         build_nonstandard_integer_type.
2907         When converting an unsigned type to signed, double its precision.
2908         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2909         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2910         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2911         use lb <= ub.
2912
2913 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         PR middle-end/43519
2916         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2917         POINTER_PLUS_EXPR for pointer types.
2918
2919 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2920
2921         PR middle-end/43519
2922         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2923         * graphite-clast-to-gimple.c: Include langhooks.h.
2924         (max_signed_precision_type): New.
2925         (max_precision_type): Takes two types as arguments.
2926         (precision_for_value): New.
2927         (precision_for_interval): New.
2928         (gcc_type_for_interval): New.
2929         (gcc_type_for_value): New.
2930         (gcc_type_for_clast_term): New.
2931         (gcc_type_for_clast_red): New.
2932         (gcc_type_for_clast_bin): New.
2933         (gcc_type_for_clast_expr): Split up into several functions.
2934         (gcc_type_for_clast_eq): Rewritten.
2935         (compute_bounds_for_level): New.
2936         (compute_type_for_level_1): New.
2937         (compute_type_for_level): New.
2938         (gcc_type_for_cloog_iv): Removed.
2939         (gcc_type_for_iv_of_clast_loop): Rewritten.
2940         (graphite_create_new_loop): Compute the lower and upper bound types
2941         with gcc_type_for_clast_expr.
2942         (graphite_create_new_loop_guard): Same.
2943         (find_cloog_iv_in_expr): Removed.
2944         (compute_cloog_iv_types_1): Removed.
2945         (compute_cloog_iv_types): Removed.
2946         (gloog): Do not call compute_cloog_iv_types.
2947         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2948         GBB_CLOOG_IV_TYPES.
2949         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2950         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2951         (GBB_CLOOG_IV_TYPES): Removed.
2952
2953 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2954
2955         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2956         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2957         (detect_commutative_reduction): Same.
2958
2959 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2960
2961         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2962         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2963         argument.
2964         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2965         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2966         (rewrite_commutative_reductions_out_of_ssa): Same.
2967         * passes.c (execute_function_todo): Call verify_ssa for every pass
2968         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2969         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2970         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2971         with an extra argument.
2972         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2973         verify_ssa only when the extra argument is true.
2974         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2975         with an extra argument.
2976         (tree_transform_and_unroll_loop): Same.
2977
2978 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2979
2980         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2981         for all the passes of the LNO having LOOP_CLOSED_SSA.
2982         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2983         * tree-loop-distribution.c (pass_loop_distribution): Same.
2984         * tree-pass.h (TODO_verify_loops): Removed.
2985         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2986         (pass_lim): Same.
2987         (pass_tree_unswitch): Same.
2988         (pass_predcom): Same.
2989         (pass_vectorize): Same.
2990         (pass_linear_transform): Same.
2991         (pass_graphite_transforms): Same.
2992         (pass_iv_canon): Same.
2993         (pass_complete_unroll): Same.
2994         (pass_complete_unrolli): Same.
2995         (pass_parallelize_loops): Same.
2996         (pass_loop_prefetch): Same.
2997         (pass_iv_optimize): Same.
2998
2999 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3000
3001         PR middle-end/32824
3002         * passes.c (init_optimization_passes): Move pass_lim before
3003         pass_copy_prop and pass_dce_loop.
3004
3005 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR target/43667
3008         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3009         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3010         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3011         MULTI_* defines for 4 argument vpermil2p* builtins.
3012
3013 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3014
3015         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3016         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3017         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3018         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3019         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3020         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3021         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3022         Use x86_maybe_negate_const_int to output insn mnemonic.
3023         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3024         check from instruction predicate.  Update comments.
3025         * config/i386/sync.md (sync_add<mode>): Use
3026         x86_maybe_negate_const_int to output insn mnemonic.
3027
3028 2010-04-06  Jan Hubicka  <jh@suse.cz>
3029
3030         PR tree-optimization/42906
3031         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3032         IGNORE_SELF argument.  Set visited_control_parents for fully
3033         processed BBs.
3034         (find_obviously_necessary_stmts): Update call of
3035         mark_control_dependent_edges_necessary.
3036         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3037
3038 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3039
3040         * config/i386/i386.md: Remove comment about 'e' and 'E'
3041         operand modifier.
3042
3043 2010-04-06  Richard Guenther  <rguenther@suse.de>
3044
3045         PR tree-optimization/43627
3046         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3047         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3048         not varying.
3049
3050 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3051
3052         * BASE-VER: Change to 4.6.0.
3053
3054         PR target/43638
3055         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3056         handling.
3057
3058 2010-04-06  Richard Guenther  <rguenther@suse.de>
3059
3060         PR middle-end/43661
3061         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3062
3063 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3064
3065         * doc/invoke.texi (Optimize Options): Document that LTO
3066         won't remove object access purely due to incompatible
3067         declarations.
3068
3069 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3070
3071         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3072         Initialize variable.
3073
3074 2010-04-03  Richard Guenther  <rguenther@suse.de>
3075
3076         PR middle-end/42509
3077         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3078         require a non-NULL MEM_OFFSET.
3079
3080 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3081
3082         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3083         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3084         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3085         config/alpha/predicates.md, config/arm/arm.md,
3086         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3087         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3088         config/darwin9.h, config/darwin.c, config/darwin.h,
3089         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3090         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3091         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3092         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3093         config/mips/mips.md, config/mn10300/mn10300.c,
3094         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3095         config/rs6000/aix.h, config/rs6000/dfp.md,
3096         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3097         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3098         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3099         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3100         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3101         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3102         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3103         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3104         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3105         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3106         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3107         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3108         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3109         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3110         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3111         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3112         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3113         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3114         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3115         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3116         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3117         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3118         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3119         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3120         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3121         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3122         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3123         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3124         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3125         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3126         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3127         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3128         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3129         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3130         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3131         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3132
3133 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3134
3135         PR other/43620
3136         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3137         * aclocal.m4: Regenerate.
3138
3139 2010-04-02  Richard Guenther  <rguenther@suse.de>
3140
3141         PR tree-optimization/43629
3142         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3143         if we have seen a constant value.
3144
3145 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3146
3147         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3148
3149 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3150
3151         PR target/43469
3152         * arm.c (legitimize_tls_address): Adjust call to
3153         gen_tls_load_dot_plus_four.
3154         (arm_note_pic_base): New function.
3155         (arm_cannot_copy_insn_p): Use it.
3156         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3157         constraint.
3158
3159 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3160
3161         PR bootstrap/43531
3162
3163         Revert:
3164         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3165
3166         * Makefile.in ($(out_object_file)): Depend on
3167         gt-$(basename $(notdir $(out_file))).h.
3168
3169 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3170
3171         * config.gcc (lm32-*-rtems*): Add t-lm32.
3172
3173 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3174
3175         * config.gcc: Add lm32-*-rtems*.
3176         * config/lm32/rtems.h: New file.
3177
3178 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3179
3180         PR target/42609
3181         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3182
3183 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3184
3185         * dwarf2out.c (output_compilation_unit_header): For
3186         -gdwarf-4 use version 4 instead of version 3.
3187         (output_line_info): For version 4 and above emit additional
3188         maximum ops per insn header field.
3189         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3190
3191         * dwarf2out.c (is_c_family, is_java): Remove.
3192         (lower_bound_default): New function.
3193         (add_bound_info, gen_descr_array_type_die): Use it.
3194
3195 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3196
3197         PR debug/43325
3198         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3199         re-declaration when it happens in a function.
3200
3201 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3202
3203         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3204         (cgraph_remove_function_insertion_hook): Same.
3205         (cgraph_call_function_insertion_hooks): Same.
3206
3207 2010-04-01  Richard Guenther  <rguenther@suse.de>
3208
3209         PR middle-end/43614
3210         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3211         and TREE_THIS_VOLATILE.
3212         (copy_ref_info): Likewise.
3213         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3214         * tree.c (build6_stat): Ignore side-effects of all but arg5
3215         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3216         TARGET_MEM_REF.
3217
3218 2010-04-01  Richard Guenther  <rguenther@suse.de>
3219
3220         PR tree-optimization/43607
3221         * ipa-type-escape.c (check_call): Do not access non-existing
3222         arguments.
3223
3224 2010-04-01  Richard Guenther  <rguenther@suse.de>
3225
3226         PR middle-end/43602
3227         Revert
3228         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3229                     Jack Howarth <howarth@bromo.med.uc.edu>
3230
3231         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3232         variables TLS.
3233
3234 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3235
3236         * doc/install.texi (Prerequisites): Document libelf usability on
3237         IRIX 5/6 and Solaris 2.
3238         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3239         Update GNU as, GNU ld requirements.
3240         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3241         Document Sun Studio compiler download.
3242         Update and simplify as, ld recommendations.
3243         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3244
3245 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3246
3247         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3248         with_tune_32 to pentium4.
3249
3250 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3251
3252         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3253
3254 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3255
3256         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3257         obsoletion, removal.
3258         Update IDO URL.
3259         Document GNU as requirement.
3260         Update configure requirements.
3261         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3262         Recomment IRIX 6.5.18+.
3263         Document IDF/IDL requirement.
3264         Document GNU as requirement.
3265         Document GNU ld bootstrap failure.
3266         Remove freeware.sgi.com reference.
3267
3268 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3269
3270         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3271         UNIX V4.0, V5.0 obsoletion, removal.
3272         Remove --with-gc=simple reference.
3273         Update VM requirements during bootstrap.
3274         Remove -oldas bootstrap description.
3275         Update binutils reference.
3276         Remove comparison failure note.
3277
3278 2010-03-31  Richard Guenther  <rguenther@suse.de>
3279             Zdenek Dvorak  <ook@ucw.cz>
3280             Sebastian Pop  <sebastian.pop@amd.com>
3281
3282         PR middle-end/43464
3283         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3284         with multiple arguments.
3285         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3286
3287 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * graphite-dependences.c (print_pddr): Call print_pdr with an
3290         extra argument.
3291         * graphite-poly.c (debug_pdr): Add an extra argument for the
3292         verbosity level.
3293         (print_pdr): Same.
3294         (print_pbb_domain): Same.
3295         (print_pbb): Same.
3296         (print_scop_context): Same.
3297         (print_scop): Same.
3298         (print_cloog): Same.
3299         (debug_pbb_domain): Same.
3300         (debug_pbb): Same.
3301         (print_pdrs): Same.
3302         (debug_pdrs): Same.
3303         (debug_scop_context): Same.
3304         (debug_scop): Same.
3305         (debug_cloog): Same.
3306         (print_scop_params): Same.
3307         (debug_scop_params): Same.
3308         (print_iteration_domain): Same.
3309         (print_iteration_domains): Same.
3310         (debug_iteration_domain): Same.
3311         (debug_iteration_domains): Same.
3312         (print_scattering_function): Same.
3313         (print_scattering_functions): Same.
3314         (debug_scattering_function): Same.
3315         (debug_scattering_functions): Same.
3316         * graphite-poly.h (debug_pdr): Update declaration.
3317         (print_pdr): Same.
3318         (print_pbb_domain): Same.
3319         (print_pbb): Same.
3320         (print_scop_context): Same.
3321         (print_scop): Same.
3322         (print_cloog): Same.
3323         (debug_pbb_domain): Same.
3324         (debug_pbb): Same.
3325         (print_pdrs): Same.
3326         (debug_pdrs): Same.
3327         (debug_scop_context): Same.
3328         (debug_scop): Same.
3329         (debug_cloog): Same.
3330         (print_scop_params): Same.
3331         (debug_scop_params): Same.
3332         (print_iteration_domain): Same.
3333         (print_iteration_domains): Same.
3334         (debug_iteration_domain): Same.
3335         (debug_iteration_domains): Same.
3336         (print_scattering_function): Same.
3337         (print_scattering_functions): Same.
3338         (debug_scattering_function): Same.
3339         (debug_scattering_functions): Same.
3340
3341 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3342
3343         * graphite-poly.c (print_scattering_function_1): New.
3344         (print_scattering_function): Call it.
3345         (print_scop_params): Remove spaces at the end of lines.
3346         (print_cloog): New.
3347         (debug_cloog): New.
3348         * graphite-poly.h (print_cloog): Declared.
3349         (debug_cloog): Declared.
3350
3351 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3352
3353         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3354         in loop->header.
3355         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3356         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3357         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3358         to switch between adding the IV bump in loop->latch or in loop->header.
3359
3360 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3361
3362         * graphite-poly.c (print_scattering_function): Pretty print following
3363         the scoplib format.
3364         (print_pdr): Same.
3365         (print_pbb_domain): Same.
3366         (dump_gbb_cases): Same.
3367         (dump_gbb_conditions): Same.
3368         (print_pdrs): Same.
3369         (print_pbb): Same.
3370         (print_scop_params): Same.
3371         (print_scop_context): Same.
3372         (print_scop): Same.
3373         (print_pbb_body): New.
3374         (lst_indent_to): New.
3375         (print_lst): Start new lines with a #.
3376         * graphite-poly.h (pbb_bb): New.
3377         (pbb_index): Use pbb_bb.
3378         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3379         disjuncts.
3380         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3381
3382 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3383
3384         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3385         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3386         and 0 instead of 1 for dw_val_class_flag.
3387         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3388         dw_val_class_range_list, dw_val_class_loc_list,
3389         dw_val_class_lineptr and dw_val_class_macptr, use
3390         DW_FORM_flag_present for dw_val_class_flag and
3391         DW_FORM_exprloc for dw_val_class_loc.
3392         (output_die): For -gdwarf-4 print dw_val_class_loc
3393         size as uleb128 instead of 1 or 2 bytes and don't print
3394         anything for dw_val_class_flag.
3395
3396         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3397         instead of cselib_lookup following by tweaking locs->setting_insn.
3398
3399         PR bootstrap/43596
3400         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3401         even before returning from label, setjmp call or volatile asm
3402         handling.
3403
3404 2010-03-31  Richard Guenther  <rguenther@suse.de>
3405
3406         PR middle-end/43600
3407         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3408         temporary data on stack.
3409
3410 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3411
3412         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3413         (PUSHSECTION_ASM_OP): Remove.
3414         (POPSECTION_ASM_OP): Remove.
3415         (PUSHSECTION_FORMAT): Remove.
3416         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3417         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3418         * config/sol2.c (solaris_output_init_fini): Use it.
3419
3420 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3421
3422         PR 43574
3423         * opt-functions.awk (var_type_struct): Use signed char type
3424         for simple variables.
3425
3426 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3427
3428         * config/sol2.c: Include output.h.
3429         (solaris_assemble_visibility): New function.
3430         * config/t-sol2 (sol2.o): Add output.h dependency.
3431         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3432         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3433         Redefine.
3434
3435 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3436
3437         PR target/43580
3438         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3439         V2SImode or XFmode on PRE_DEC.
3440
3441         PR debug/43557
3442         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3443         BLKmode.
3444
3445 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3446
3447         PR 43562
3448         * reload.h (caller_save_initialized_p): Declare.
3449         * toplev.c (backend_init_target): Don't call
3450         init_caller_save but set caller_save_initialized_p to false.
3451         * caller-save.c (caller_save_initialized_p): Define.
3452         (init_caller_save): Check caller_save_initialized_p.
3453         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3454
3455 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3456
3457         PR target/39048
3458         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3459         and soft-fp/t-softfp to tmake_file.
3460         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3461         (LIBGCC2_TF_CEXT): Define.
3462         (TF_SIZE): Define.
3463
3464 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3465
3466         PR debug/42977
3467         * cselib.c (n_useless_values): Document handling of debug locs.
3468         (n_useless_debug_values, n_debug_values): New variables.
3469         (new_elt_loc_list): Don't add to debug values, keep count.
3470         (promote_debug_loc): New.
3471         (cselib_reset_table): Zero new variables.
3472         (entry_and_rtx_equal_p): Promote debug locs.
3473         (discard_useless_locs): Increment n_useless_debug_values for
3474         debug values.
3475         (remove_useless_values): Adjust n_useless_values and n_debug_values
3476         with n_useless_debug_values.
3477         (add_mem_for_addr): Promote debug locs.
3478         (cselib_lookup_mem): Likewise.
3479         (cselib_lookup_addr): Renamed to...
3480         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3481         (cselib_log_lookup): ... this.  Turn into...
3482         (cselib_lookup_addr): ... new wrapper.
3483         (cselib_lookup_from_insn): New.
3484         (cselib_invalidate_regno): Increment n_useless_debug_values for
3485         debug values.
3486         (cselib_invalidate_mem): Likewise.
3487         (cselib_process_insn): Take n_deleted and n_debug_values into
3488         account to guard remove_useless_value call.
3489         (cselib_finish): Zero n_useless_debug_values.
3490         * cselib.h (cselib_lookup_from_insn): Declare.
3491         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3492         (sched_analyze_2): Likewise.
3493
3494 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3495
3496         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3497         functions.
3498         (adjust_mems): Replace narrowing SUBREG of expression containing
3499         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3500         with operations in the narrower mode.
3501
3502         PR debug/43593
3503         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3504         regs_invalidated_by_call instead all call_used_reg_set registers.
3505
3506 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3507
3508         PR middle-end/43430
3509         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3510         pointer comparisons with types_compatible_p.
3511         * tree-vect-stmts.c (vectorizable_call): Same.
3512         (vectorizable_condition): Same.
3513
3514 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3515
3516         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3517         stack check if the mask would be zero.
3518
3519 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3520             Jack Howarth <howarth@bromo.med.uc.edu>
3521
3522         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3523         variables TLS.
3524
3525 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3526
3527         PR other/25232
3528         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3529         and __unordtf2.
3530         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3531         Include ___unordxf2 and ___unordtf2.
3532         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3533         GCC_4.4.0 here.
3534
3535 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3536
3537         * config/lm32/t-lm32: New file.
3538         * config.gcc: Use the above file when targetting lm32.
3539
3540 2010-03-28  Duncan Sands  <baldrick@free.fr>
3541
3542         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3543
3544 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3545
3546         PR middle-end/43431
3547         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3548         Improve vectorization cost model diagnostic.
3549
3550 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3551
3552         PR middle-end/43436
3553         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3554         compute_data_dependences_for_loop returns false, early exit
3555         and output an extra diagnostic for the failed data reference
3556         analysis.
3557
3558 2010-03-29  Richard Guenther  <rguenther@suse.de>
3559
3560         PR tree-optimization/43560
3561         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3562         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3563
3564 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3565
3566         PR 43564
3567         * toplev.c (process_options): Set optimization_default_node
3568         and optimization_current_node.
3569         * opts.c (decode_options): Don't set optimization_default_node
3570         and optimization_current_node.
3571
3572 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3573
3574         * config/rtems.h: Abandon -qrtems_debug.
3575
3576 2010-03-28  Jan Hubicka  <jh@suse.cz>
3577
3578         PR tree-optimization/43505
3579         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3580         map should not be copied.
3581
3582 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3583
3584         PR middle-end/41674
3585         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3586         cdtors, set DECL_PRESERVE_P.
3587         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3588         should be preseved.
3589
3590 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3591
3592         PR tree-optimization/43528
3593         * stor-layout.c (place_field): Check that constant fits into
3594         unsigned HWI when skipping calculation of MS bitfield layout.
3595
3596 2010-03-27  Jan Hubicka  <jh@suse.cz>
3597
3598         PR middle-end/43391
3599         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3600         notice_global_symbol work.
3601
3602 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3603
3604         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3605         instead of dwarf2out_decl.
3606         (struct var_loc_node): Remove section_label field.
3607         (dwarf2out_function_decl): New function.
3608         (dwarf2out_var_location): Don't set section_label field.
3609         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3610
3611 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3612
3613         PR tree-optimization/43544
3614         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3615         First argument for builtin vectorized function hook is now a
3616         tree to be able to distinguish between machine specific and
3617         standard builtins.
3618         * targhooks.c (default_builtin_vectorized_function): Ditto.
3619         * targhooks.h (default_builtin_vectorized_function): Ditto.
3620         * target.h (struct gcc_target): Ditto.
3621         * tree-vect-stmts.c (vectorizable_function): Ditto.
3622         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3623         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3624         Ditto.
3625
3626 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3627
3628         PR c/43381
3629         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3630         nested binding iff it is a FUNCTION_DECL.
3631         (store_parm_decls_newstyle): Pass nested=true to bind for
3632         FUNCTION_DECLs amongst parameters.
3633
3634 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3635
3636         * var-tracking.c (vt_expand_loc_callback): Don't run
3637         cselib_expand_value_rtx_cb in dummy mode if
3638         cselib_dummy_expand_value_rtx_cb returned false.
3639
3640         * var-tracking.c (emit_note_insn_var_location): For one part
3641         notes with offset 0, don't add EXPR_LIST around the location.
3642         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3643         add_location_or_const_value_attribute): Adjust for that change.
3644
3645         PR debug/43540
3646         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3647         into first operand and location into second.
3648         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3649         dw_cfi_oprnd_loc for DW_CFA_expression.
3650         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3651         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3652         assume first argument is regnum and second argument is location.
3653
3654 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3655
3656         PR target/42113
3657         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3658         of scratch register to DImode.  Split to DImode comparison operator.
3659         Use SImode subreg of scratch register in the multiplication.
3660         (*cmp_sadd_sidi): Ditto.
3661         (*cmp_ssub_si): Ditto.
3662         (*cmp_ssub_sidi): Ditto.
3663
3664 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3665
3666         PR target/43524
3667         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3668         Remove invalid assert and wrong comment.
3669
3670 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3671
3672         PR debug/43516
3673         * flags.h (final_insns_dump_p): New extern.
3674         * final.c (final_insns_dump_p): New variable.
3675         (rest_of_clean_state): Set it before -fdump-final-insns=
3676         dumping, clear afterwards.
3677         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3678         MEM_ALIAS_SET on MEMs.
3679
3680 2010-03-26  David S. Miller  <davem@davemloft.net>
3681
3682         * configure.ac: Fix sparc GOTDATA_OP bug check.
3683         * configure: Rebuild.
3684
3685 2010-03-26  Alan Modra  <amodra@gmail.com>
3686
3687         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3688
3689 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3690
3691         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3692         TLS_SECTION_ASM_FLAG.
3693
3694 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3695
3696         PR bootstrap/43511
3697         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3698         Clear first_function_block_is_cold.
3699
3700         PR c/43385
3701         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3702         argument if the argument is truth_value_p.
3703
3704 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3705
3706         * config/rs6000/constraints.md: Update copyright year for my changes.
3707
3708         PR target/43484
3709         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3710         used in reg+reg addressing, swap registers.
3711
3712 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3713
3714         PR debug/43293
3715         * target.h (struct gcc_target): Add code_end hook.
3716         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3717         if not yet defined.
3718         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3719         * toplev.c (compile_file): Call targetm.asm_out.code_end
3720         hook before unwind info/debug info output.
3721         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3722         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3723         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3724         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3725         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3726         * config/i386/i386.c (ix86_file_end): Renamed to...
3727         (ix86_code_end): ... this.  Make static.  Don't call
3728         file_end_indicate_exec_stack.  Emit unwind info using
3729         final_start_function/final_end_function.
3730         (darwin_x86_file_end): Remove.
3731         (TARGET_ASM_CODE_END): Define.
3732         * config/i386/i386.h (TARGET_ASM_FILE_END,
3733         NEED_INDICATE_EXEC_STACK): Don't define.
3734         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3735         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3736         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3737         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3738
3739         PR target/43498
3740         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3741         at the beginning and final_end_function at the end.
3742         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3743
3744 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3745
3746         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3747         and Sun as TLS syntax.
3748         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3749         * configure: Regenerate.
3750         * config.in: Regenerate.
3751         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3752         (default_elf_asm_named_section): Use it.
3753         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3754         (i386_output_dwarf_dtprel): Likewise.
3755         (output_addr_const_extra): Likewise.
3756         (output_pic_addr_const): Lowercase @GOTTPOFF.
3757         (output_addr_const_extra): Likewise.
3758         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3759         (output_addr_const_extra): Likewise.
3760         (output_pic_addr_const): Lowercase @INDNTPOFF.
3761         (output_addr_const_extra): Likewise.
3762         (output_pic_addr_const): Lowercase @NTPOFF.
3763         (output_addr_const_extra): Likewise.
3764         (output_pic_addr_const): Lowercase @TPOFF.
3765         (output_addr_const_extra): Likewise.
3766         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3767         (*tls_global_dynamic_64): Likewise.
3768         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3769         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3770
3771         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3772         (ASM_OUTPUT_TLS_COMMON): Use it.
3773         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3774
3775         PR target/38118
3776         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3777         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3778         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3779         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3780         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3781         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3782
3783 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3784
3785         * config/i386/i386.c (override_options): Don't accept
3786         -mtls-dialect=sun any longer.
3787         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3788         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3789         (*tls_local_dynamic_base_32_sun): Likewise.
3790         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3791
3792 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3793
3794         PR debug/43508
3795         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3796         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3797
3798         PR debug/43479
3799         * ira.c (adjust_cleared_regs): New function.
3800         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3801
3802         PR debug/19192
3803         PR debug/43479
3804         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3805         from gimple_block.
3806         * expr.c (expand_expr_real): Restore previous
3807         curr_insn_source_location and curr_insn_block after
3808         expand_expr_real_1 call.
3809         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3810         instead of expand_expr_real_1.
3811
3812 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3813
3814         PR rtl-optimization/43413
3815         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3816         hard regs too.
3817
3818 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3819
3820         PR target/43348
3821         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3822         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3823
3824 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3825
3826         * config/i386/i386.c (ix86_target_string): Add -mfma.
3827         Fix a typo in comment.
3828
3829 2010-03-22  Mike Stump  <mikestump@comcast.net>
3830
3831         PR target/23071
3832         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3833         Don't overly align based upon packed packed fields.
3834
3835 2010-03-22  Jason Merrill  <jason@redhat.com>
3836
3837         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3838         Use () rather than [], and move before the element type.
3839
3840 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3841
3842         * doc/configfiles.texi (Configuration Files): Removed
3843         fixinc/Makefile*, intl/Makefile.*.
3844         * doc/makefile.texi: Fixed markup. Abstract from version
3845         control system used.
3846         (Makefile): Removed obsolete gcc/java/parse.y example.
3847         * doc/sourcebuild.texi: Likewise.
3848         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3849         libgomp, libssp.  Removed fastjar.
3850         (Miscellaneous Docs): Clarify location.
3851         Added COPYING3, COPYING3.LIB.
3852         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3853
3854 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3855
3856         PR target/38085
3857         * config/i386/i386.c (x86_function_profiler)
3858         [!NO_PROFILE_COUNTERS]: Fix typo.
3859         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3860         instead of callq.
3861
3862 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3863             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3864
3865         * doc/sourcebuild.texi (Test Directives): Split into six
3866         subsections, with most of the current text in new subsections
3867         Directives, Selectors, and Final Actions.
3868         (Directives): Split list of test directives into multiple
3869         subsubsections.
3870         (Selectors): Describe use and syntax of selectors.
3871         (Effective-Target Keywords): Describe all existing keywords.
3872         (Add Options): Describe features for dg-add-options.
3873         (Require Support): Describe variants of dg-require-support.
3874         (Final Actions): Describe commands to use in dg-final.
3875
3876 2010-03-22  Michael Matz  <matz@suse.de>
3877
3878         PR middle-end/43475
3879         * recog.c (validate_replace_rtx_group): Replace also in
3880         REG_EQUAL and REG_EQUIV notes.
3881
3882 2010-03-22  Richard Guenther  <rguenther@suse.de>
3883
3884         PR tree-optimization/43390
3885         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3886         sure vector extracts are type correct.
3887
3888 2010-03-22  Richard Guenther  <rguenther@suse.de>
3889
3890         PR middle-end/40106
3891         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3892         x * sqrt (x) even when optimizing for size if the target
3893         has native support for sqrt.
3894
3895 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3896
3897         * varasm.c (make_decl_rtl_for_debug): Also clear
3898         flag_mudflap for the duration of make_decl_rtl call.
3899
3900         PR debug/43443
3901         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3902         locs from preserved VALUEs.
3903
3904 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3905
3906         PR middle-end/42718
3907         * pa.md (movmemsi): Set align to one if zero.
3908         (movmemdi): Likewise.
3909
3910 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3911
3912         PR target/42321
3913         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3914         with their corresponding prologue pushes.
3915
3916 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3917
3918         PR target/43156
3919         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3920         at the begining or end.
3921         (spu_expand_epilogue): Likewise.
3922
3923 2010-03-20  Richard Guenther  <rguenther@suse.de>
3924
3925         PR rtl-optimization/43438
3926         * combine.c (make_extraction): Properly zero-/sign-extend an
3927         extraction of the low part of a CONST_INT.  Also handle
3928         CONST_DOUBLE.
3929
3930 2010-03-19  Mike Stump  <mikestump@comcast.net>
3931
3932         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3933         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3934         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3935
3936 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3937
3938         PR c/43211
3939         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3940         an error.
3941
3942 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3943
3944         PR rtl-optimization/42258
3945         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3946         use that may match DEF.
3947
3948         PR target/40697
3949         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3950         the cost of loading the constant rather than assuming
3951         COSTS_N_INSNS (1).
3952         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3953         outer code is AND, do the same tests as the andsi3 expander and
3954         return COSTS_N_INSNS (1) if and is cheap.
3955
3956         * optabs.c (avoid_expensive_constant): Fix formatting.
3957
3958 2010-03-19  Michael Matz  <matz@suse.de>
3959
3960         PR c++/43116
3961         * attribs.c (decl_attributes): When rebuilding a function pointer
3962         type use the same qualifiers as the original pointer type.
3963
3964 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3965
3966         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3967         and is_gimple_ip_invariant_address.
3968
3969 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3970
3971         Revert
3972         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3973
3974         * config/arm/arm.c (arm_override_options): Turn off
3975         flag_dwarf2_cfi_asm for AAPCS variants.
3976
3977 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3978
3979         PR target/43399
3980         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3981         Use PRE_MODIFY instead of PRE_DEC.
3982         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3983         (vfp_emit_fstmd): Likewise.
3984
3985 2010-03-19  Michael Matz  <matz@suse.de>
3986
3987         PR target/43305
3988         * builtins.c (expand_builtin_interclass_mathfn,
3989         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3990         if that fails.
3991
3992 2010-03-19  Richard Guenther  <rguenther@suse.de>
3993
3994         PR tree-optimization/43415
3995         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3996         (phi_translate_1): ... this.
3997         (phi_translate): Move all caching here.  Cache all NARY
3998         and REFERENCE translations.
3999
4000 2010-03-19  David S. Miller  <davem@davemloft.net>
4001
4002         With help from Eric Botcazou.
4003         * config/sparc/sparc.c: Include dwarf2out.h.
4004         (emit_pic_helper): Delete.
4005         (pic_helper_symbol_name): Delete.
4006         (pic_helper_emitted_p): Delete.
4007         (pic_helper_needed): New.
4008         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4009         (get_pc_thunk_name): New.
4010         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
4011         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4012         Set pic_helper_needed to true.  Don't call emit_pic_helper.
4013         (sparc_expand_prologue): Update load_pic_register call.
4014         (sparc_output_mi_thunk): Likewise.
4015         (sparc_file_end): Emit a hidden comdat symbol for the PIC
4016         thunk if possible.  Output CFI information as needed.
4017
4018 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4019             Jack Howarth <howarth@bromo.med.uc.edu>
4020
4021         PR target/36399
4022         * config/i386/i386.h: Fix ABI on darwin x86-32.
4023
4024 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
4025
4026         *&nb