gcc/ChangeLog

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