gcc/ChangeLog

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