gcc/ChangeLog

   1 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         PR middle-end/47725
   4         * combine.c (cant_combine_insn_p): Check zero/sign extended
   5         hard registers.
   6
   7 2011-03-17  Anatoly Sokolov  <aesok@post.ru>
   8
   9         * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
  10         * config/v850/v850-protos.h (v850_output_addr_const_extra): Remove.
  11         * config/v850/v850.c (v850_output_addr_const_extra): Make static.
  12         Change return type to bool.
  13         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
  14
  15 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
  16
  17         PR debug/48163
  18         * var-tracking.c (prepare_call_arguments): If CALL target
  19         is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
  20         pc instead of looking it up using cselib_lookup and use
  21         Pmode for it if x has VOIDmode.
  22         * dwarf2out.c (gen_subprogram_die): If also both first and
  23         second CONCAT arguments are VOIDmode, use mode of CONCAT itself.
  24
  25         PR debug/48163
  26         * function.c (assign_parms): For data.passed_pointer parms
  27         use MEM of data.entry_parm instead of data.entry_parm itself
  28         as DECL_INCOMING_RTL.
  29         * dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
  30         also when passed and declared mode is the same, DECL_RTL
  31         is a MEM with pseudo as address and DECL_INCOMING_RTL is
  32         a MEM too.
  33
  34 2011-03-16  Jeff Law  <law@redhat.com>
  35
  36         PR rtl-optimization/37273
  37         * ira-costs.c (scan_one_insn): Detect constants living in memory and
  38         handle them like argument loads from stack slots.  Do not double
  39         count memory for memory constants and argument loads from stack slots.
  40
  41 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
  42
  43         PR debug/48160
  44         * var-tracking.c (prepare_call_arguments): Check SUBREG.
  45
  46 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
  47
  48         PR target/48171
  49         * config/i386/i386.opt: Add Save to -mavx and -mfma.
  50
  51 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
  52
  53         PR bootstrap/48153
  54         * dwarf2out.c (mem_loc_descriptor) <case ENTRY_VALUE>: Return NULL
  55         if dwarf_strict.
  56         (gen_subprogram_die): Don't add call_site DIEs if dwarf_strict.
  57         Clear call_arg_locations and call_arg_loc_last always.
  58
  59         PR middle-end/48152
  60         * var-tracking.c (prepare_call_arguments): If argument needs to be
  61         passed by reference, adjust argtype and mode.
  62
  63 2011-03-17  Richard Guenther  <rguenther@suse.de>
  64
  65         PR middle-end/48134
  66         * tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
  67         a value make sure to fold the statement.
  68
  69 2011-03-17  Chung-Lin Tang  <cltang@codesourcery.com>
  70
  71         PR target/43872
  72         * config/arm/arm.c (arm_get_frame_offsets): Adjust early
  73         return condition with !cfun->calls_alloca.
  74
  75 2011-03-17  Richard Guenther  <rguenther@suse.de>
  76
  77         PR bootstrap/48148
  78         * lto-cgraph.c (input_overwrite_node): Clear the abstract
  79         origin for decls in other ltrans units.
  80         (input_varpool_node): Likewise.
  81
  82 2011-03-17  Richard Guenther  <rguenther@suse.de>
  83
  84         PR middle-end/48165
  85         * tree-object-size.c (compute_object_offset): Properly return
  86         the offset operand of MEM_REFs as sizetype.
  87
  88 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
  89
  90         PR rtl-optimization/48141
  91         * params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
  92         * dse.c: Include params.h.
  93         (active_local_stores_len): New variable.
  94         (add_wild_read, dse_step1): Clear it when setting active_local_stores
  95         to NULL.
  96         (record_store, check_mem_read_rtx): Decrease it when removing
  97         from the chain.
  98         (scan_insn): Likewise.  Increase it when adding to chain, if it
  99         reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
 100         set active_local_stores to NULL before the addition.
 101         * Makefile.in (dse.o): Depend on $(PARAMS_H).
 102
 103         PR rtl-optimization/48141
 104         * dse.c (record_store): If no positions are needed in an insn
 105         that cannot be deleted, at least unchain it from active_local_stores.
 106
 107 2011-03-16  Dodji Seketeli  <dodji@redhat.com>
 108
 109         PR debug/47510
 110         * dwarf2out.c (strip_naming_typedef): Factorize out of ...
 111         (lookup_type_die_strip_naming_typedef): ... here.
 112         (get_context_die): Use it.
 113         (gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
 114         the anonymous struct named by the naming typedef.
 115
 116 2011-03-16  H.J. Lu  <hongjiu.lu@intel.com>
 117
 118         PR target/48154
 119         * config/i386/i386.c (ix86_builtin_vectorized_function): Check
 120         TARGET_ROUND for BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
 121
 122 2011-03-16  Jeff Law  <law@redhat.com>
 123
 124         * tree-vrp.c (identify_jump_threads): Slightly simplify type
 125         check for operands of conditional.  Allow type to be a
 126         pointer.
 127
 128 2011-03-16  Richard Guenther  <rguenther@suse.de>
 129
 130         PR tree-optimization/48149
 131         * fold-const.c (fold_binary_loc): Fold
 132         COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.
 133
 134 2011-03-16  Richard Guenther  <rguenther@suse.de>
 135
 136         PR tree-optimization/26134
 137         * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
 138         complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
 139         (non_rewritable_mem_ref_base): Handle complex type component
 140         accesses, constrain offsets for vector and complex extracts
 141         more properly.
 142
 143 2011-03-16  Richard Guenther  <rguenther@suse.de>
 144
 145         PR tree-optimization/48146
 146         * tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
 147         operands avoiding the need for renaming.
 148
 149 2011-03-16  Richard Guenther  <rguenther@suse.de>
 150
 151         * gimple-fold.c (maybe_fold_reference): Open-code relevant
 152         constant folding.  Move MEM_REF canonicalization first.
 153         Rely on fold_const_aggregate_ref for initializer folding.
 154         * tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.
 155
 156 2011-03-16  Jakub Jelinek  <jakub@redhat.com>
 157
 158         PR middle-end/48136
 159         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
 160         arg0/arg1 or their arguments are always fold converted to matching
 161         types.
 162
 163         * var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
 164         to nargs.
 165
 166 2011-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 167
 168         PR lto/46944
 169         * configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
 170         Handle in-tree gold.
 171         (ld_vers): Extract binutils version for gold.
 172         (gcc_cv_ld_hidden): Handle gold here.
 173         (gcc_cv_lto_plugin): Determine level of linker plugin support.
 174         * configure: Regenerate.
 175         * config.in: Regenerate.
 176         * gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
 177         -fuse-linker-plugin otherwise.
 178         (LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
 179         (LINK_COMMAND_SPEC): Use it.
 180         (main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.
 181
 182 2011-03-16  Jakub Jelinek  <jakub@redhat.com>
 183
 184         * emit-rtl.c (try_split): Don't call copy_call_info debug hook.
 185         * calls.c: Remove debug.h include.
 186         (emit_call_1): Don't call virtual_call_token debug hook.
 187         * dwarf2out.c (debug_dcall_section, debug_vcall_section,
 188         dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
 189         vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
 190         size_of_dcall_table, output_dcall_table, size_of_vcall_table,
 191         output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
 192         vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
 193         dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
 194         dwarf2out_virtual_call): Remove.
 195         (dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
 196         copy_call_info and virtual_call hooks.
 197         (dwarf2out_init): Don't initialize vcall_insn_table,
 198         debug_dcall_section and debug_vcall_section.
 199         (prune_unused_types): Don't mark nodes from dcall_table.
 200         (dwarf2out_finish): Don't output dcall or vcall tables.
 201         * final.c (final_scan_insn): Don't call direct_call or
 202         virtual_call debug hooks.
 203         * debug.h (struct gcc_debug_hooks): Remove direct_call,
 204         virtual_call_token, copy_call_info and virtual_call hooks.
 205         (debug_nothing_uid): Remove prototype.
 206         * sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
 207         copy_call_info and virtual_call hooks.
 208         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
 209         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
 210         * debug.c (do_nothing_debug_hooks): Likewise.
 211         (debug_nothing_uid): Remove.
 212         * doc/invoke.texi (-fenable-icf-debug): Remove.
 213         * common.opt (-fenable-icf-debug): Likewise.
 214
 215         * calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
 216         * var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
 217         call's MEM.  Handle functions returning aggregate through a hidden
 218         first pointer.  For virtual calls add clobbered pc to call arguments
 219         chain.
 220         * dwarf2out.c (gen_subprogram_die): Emit
 221         DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
 222         can't be emitted.
 223
 224         PR debug/45882
 225         * rtl.def (ENTRY_VALUE): Change format from "e" to "0".
 226         * rtl.h (ENTRY_VALUE_EXP): Define.
 227         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
 228         * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
 229         * print-rtl.c (print_rtx): Likewise.
 230         * gengtype.c (adjust_field_rtx_def): Likewise.
 231         * var-tracking.c (vt_add_function_parameter): Adjust
 232         gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
 233         * dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
 234         * cfgexpand.c (expand_debug_expr): If a SSA_NAME without
 235         partition is a default definition of a PARM_DECL, use ENTRY_VALUE
 236         of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.
 237
 238         * final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
 239         Call var_location debug hook even on CALL_INSNs.
 240         (rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
 241         * rtl.def (ENTRY_VALUE): New.
 242         * dwarf2out.c: Include cfglayout.h.
 243         (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
 244         output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
 245         (struct call_arg_loc_node): New type.
 246         (call_arg_locations, call_arg_loc_last, block_map, call_site_count,
 247         tail_call_site_count): New variables.
 248         (dwarf_tag_name): Handle DW_TAG_GNU_call_site and
 249         DW_TAG_GNU_call_site_parameter.
 250         (dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
 251         DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
 252         DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
 253         DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
 254         and DW_AT_GNU_all_source_call_sites.
 255         (mem_loc_descriptor): Handle ENTRY_VALUE.
 256         (add_src_coords_attributes): Don't add enything if
 257         DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
 258         (dwarf2out_abstract_function): Save and clear call_arg_location,
 259         call_site_count and tail_call_site_count around dwarf2out_decl call.
 260         (gen_call_site_die): New function.
 261         (gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
 262         (gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
 263         (dwarf2out_function_decl): Clear call_arg_locations,
 264         call_arg_loc_last, set call_site_count and tail_call_site_count
 265         to -1 and free block_map.
 266         (dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
 267         CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
 268         followed by any real instructions.
 269         (dwarf2out_begin_function): Set call_site_count and
 270         tail_call_site_count to 0.
 271         (resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
 272         is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
 273         attempt to force a DIE for it and worst case remove the attribute.
 274         (resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
 275         check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
 276         the decl itself.
 277         * var-tracking.c: Include tm_p.h.
 278         (vt_stack_adjustments): For calls call note_register_arguments.
 279         (argument_reg_set): New variable.
 280         (add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
 281         ensure the VALUE is resolved.
 282         (call_arguments): New variable.
 283         (prepare_call_arguments): New function.
 284         (add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
 285         (struct expand_loc_callback_data): Add ignore_cur_loc field.
 286         (vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
 287         always use the best expression.
 288         (vt_expand_loc): Add ignore_cur_loc argument.
 289         (vt_expand_loc_dummy): Clear ignore_cur_loc field.
 290         (emit_note_insn_var_location): Adjust vt_expand_loc callers.
 291         (emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
 292         note for all calls.
 293         (vt_add_function_parameter): Use cselib_lookup_from_insn.
 294         If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
 295         argument.  Don't call cselib_preserve_only_values and
 296         cselib_reset_table.
 297         (note_register_arguments): New function.
 298         (vt_initialize): Compute argument_reg_set.  Call
 299         vt_add_function_parameters before processing basic blocks instead of
 300         afterwards.  For calls call prepare_call_arguments before calling
 301         cselib_process_insn.
 302         * print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
 303         * Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
 304         (var-tracking.o): Depend on $(TM_P_H).
 305         * cfglayout.h (insn_scope): New prototype.
 306         * gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
 307         * cfglayout.c (insn_scope): No longer static.
 308         * insn-notes.def (CALL_ARG_LOCATION): New.
 309         * calls.c (expand_call, emit_library_call_value_1): Put USEs for
 310         MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
 311         * integrate.c (set_block_origin_self, set_block_abstract_flags): Do
 312         nothing for DECL_EXTERNAL BLOCK_VARS.
 313
 314 2011-03-16  Alan Modra  <amodra@gmail.com>
 315
 316         PR target/45844
 317         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
 318         create invalid offset address for vsx splat insn.
 319         * config/rs6000/predicates.md (splat_input_operand): New.
 320         * config/rs6000/vsx.md (vsx_splat_*): Use it.
 321
 322 2011-03-15  Xinliang David Li  <davidxl@google.com>
 323
 324         PR c/47837
 325         * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
 326         (normalize_preds): New function.
 327         (is_use_properly_guarded): Normalize def predicates.
 328
 329 2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 330
 331         PR target/46778
 332         * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
 333         in the output template.
 334
 335 2011-03-15  Richard Guenther  <rguenther@suse.de>
 336
 337         PR middle-end/47650
 338         * tree-pretty-print.c (dump_function_declaration): Properly
 339         dump unprototyped and varargs function types.
 340
 341 2011-03-15  Richard Guenther  <rguenther@suse.de>
 342
 343         PR tree-optimization/13954
 344         * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
 345         and friends.
 346
 347 2011-03-15  Richard Guenther  <rguenther@suse.de>
 348
 349         PR tree-optimization/48037
 350         * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
 351         selects into BIT_FIELD_REFs.
 352         (non_rewritable_mem_ref_base): Check if a MEM_REF is a
 353         vector select.
 354
 355 2011-03-15  Jakub Jelinek  <jakub@redhat.com>
 356
 357         PR tree-optimization/48129
 358         * builtins.c (fold_builtin_snprintf): Convert to type of
 359         built_in_decls[BUILT_IN_SNPRINTF] retval instead of
 360         implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
 361
 362 2011-03-15  Richard Guenther  <rguenther@suse.de>
 363
 364         PR tree-optimization/41490
 365         * tree-ssa-dce.c (propagate_necessity): Handle returns without
 366         value but with VUSE.
 367         * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
 368         return statements.
 369         * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
 370         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
 371         * tree-tailcall.c (find_tail_calls): Ignore returns.
 372
 373 2011-03-15  Richard Guenther  <rguenther@suse.de>
 374
 375         PR middle-end/48031
 376         * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
 377         or variable-indexed array accesses when in gimple form.
 378
 379 2011-03-15  Richard Guenther  <rguenther@suse.de>
 380
 381         * config/i386/i386.c (ix86_emit_swdivsf): Implement more
 382         efficiently.
 383
 384 2011-03-15  Alan Modra  <amodra@gmail.com>
 385
 386         PR target/48032
 387         * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
 388         presume symbol_refs without a symbol_ref_decl are suitably
 389         aligned, nor other trees we may see here.  Handle anchor symbols.
 390         (legitimate_constant_pool_address_p): Comment.  Add mode param.
 391         Check cmodel=medium addresses.  Adjust all calls.
 392         (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
 393         creating cmodel=medium optimized access to locals.
 394         * config/rs6000/constraints.md (R): Pass QImode to
 395         legitimate_constant_pool_address_p.
 396         * config/rs6000/predicates.md (input_operand): Pass mode to
 397         legitimate_constant_pool_address_p.
 398         * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
 399         Update prototype.
 400
 401 2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
 402
 403         PR target/48053
 404         * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
 405         64-bit constants being loaded into registers other than GPRs such
 406         as loading 0 into a VSX register.
 407
 408 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 409
 410         * config/sol2.c (solaris_assemble_visibility): Remove obsolete
 411         URLs.
 412
 413 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
 414
 415         PR middle-end/47917
 416         * builtins.c (fold_builtin_snprintf): New function.
 417         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
 418         (fold_builtin_4): Likewise.
 419
 420         PR middle-end/38878
 421         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
 422         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
 423         and C - X == X also strip nops from +/-/p+ operand.
 424         When optimizing -X == C, fold C to arg0's type.
 425
 426         PR debug/47946
 427         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
 428         emit it as add_AT_int instead of add_AT_unsigned.
 429
 430 2011-03-14  Tom Tromey  <tromey@redhat.com>
 431
 432         * unwind-dw2.c: Include sys/sdt.h if it exists.
 433         (_Unwind_DebugHook): Use STAP_PROBE2.
 434         * config.in, configure: Rebuild.
 435         * configure.ac: Check for sys/sdt.h.
 436
 437 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
 438
 439         * config/i386/i386.md (ROUND_FLOOR): New constant.
 440         (ROUND_CEIL): Ditto.
 441         (ROUND_TRUNC): Ditto.
 442         (ROUND_MXCSR): Ditto.
 443         (ROUND_NO_EXC): Ditto.
 444         (rint<mode>2): Use new defines instead of numerical constants.
 445         (floor<mode>2): Ditto.
 446         (ceil<mode>2): Ditto.
 447         (btrunc<mode>2): Ditto.
 448         * config/i386/i386-builtin-types.def: Define ROUND function type
 449         aliases.
 450         * config/i386/i386.c (enum ix86_builtins): Add
 451         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
 452         (struct builtin_description): Add
 453         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
 454         (ix86_expand_sse_round): New static function.
 455         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
 456         function types.
 457         (ix86_builtin_vectorized_function): Handle
 458         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
 459
 460 2011-03-14  Tom Tromey  <tromey@redhat.com>
 461
 462         * c-parser.c (c_parser_asm_string_literal): Clear
 463         warn_overlength_strings.
 464
 465 2011-03-14  Tom Tromey  <tromey@redhat.com>
 466
 467         * c-parser.c (disable_extension_diagnostics): Save
 468         warn_overlength_strings.
 469         (restore_extension_diagnostics): Restore warn_overlength_strings.
 470
 471 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
 472
 473         * BASE-VER: Change to 4.7.0.
 474
 475 2011-03-14  Richard Guenther  <rguenther@suse.de>
 476
 477         PR middle-end/48098
 478         * tree.c (build_vector_from_val): Adjust assert to requirements
 479         and reality.
 480
 481 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
 482
 483         PR bootstrap/48102
 484         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
 485
 486 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
 487
 488         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
 489         terms of target_flags_explicit. Adjust copyright year.
 490
 491         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
 492         * config/rs6000/t-freebsd: New file. Add override for
 493         LIB2FUNCS_EXTRA.
 494
 495 2011-03-13  Chris Demetriou  <cgd@google.com>
 496
 497         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
 498         (-fno-diagnostics-show-option): this, to reflect current default.
 499         (-Werror=): Update text about -fno-diagnostics-show-option.
 500
 501 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
 502
 503         PR target/48053
 504         * config/rs6000/predicates.md (easy_vector_constant_add_self,
 505         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
 506         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
 507         mode is not V2DImode or V2DFmode.
 508         (vspltis_constant): Do not handle V2DImode and V2DFmode.
 509         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
 510         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
 511         registers to 0.
 512         (movdi_internal64): Likewise.
 513
 514 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
 515
 516         PR tree-optimization/47127
 517         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
 518         parameter.
 519         (set_cloog_options): Same.
 520         (scop_to_clast): Same.
 521         (print_clast_stmt): Do not call cloog_state_malloc and
 522         cloog_state_free.
 523         (print_generated_program): Same.
 524         (gloog): Same.
 525         * graphite-clast-to-gimple.h (cloog_state): Declared.
 526         (scop_to_clast): Adjust declaration.
 527         * graphite.c (cloog_state): Defined here.
 528         (graphite_initialize): Call cloog_state_malloc.
 529         (graphite_finalize): Call cloog_state_free.
 530
 531 2011-03-11  Jason Merrill  <jason@redhat.com>
 532
 533         * attribs.c (lookup_attribute_spec): Take const_tree.
 534         * tree.h: Adjust.
 535
 536 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
 537
 538         * config/sparc/sparc.c (sparc_option_override): Use
 539         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
 540
 541 2011-03-11  Richard Guenther  <rguenther@suse.de>
 542
 543         PR tree-optimization/48067
 544         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
 545         multiplication result will be only used once on the target
 546         stmt.
 547
 548 2011-03-11  Richard Guenther  <rguenther@suse.de>
 549
 550         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
 551
 552 2011-03-11  Richard Guenther  <rguenther@suse.de>
 553
 554         PR lto/48073
 555         * tree.c (find_decls_types_r): Do not walk types only reachable
 556         from IDENTIFIER_NODEs.
 557
 558 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
 559
 560         PR middle-end/48044
 561         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
 562         all vnode->force_output nodes as needed.
 563
 564 2011-03-11  Jason Merrill  <jason@redhat.com>
 565
 566         PR c++/48069
 567         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
 568         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
 569
 570 2011-03-11  Martin Jambor  <mjambor@suse.cz>
 571
 572         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
 573         cgraph_node.
 574
 575 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
 576
 577         PR tree-optimization/48063
 578         * ipa-inline.c (cgraph_decide_inlining): Don't try to
 579         inline functions called once if !tree_can_inline_p (node->callers).
 580
 581 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
 582
 583         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
 584         extra_objs.
 585         * config/score/score3.c: Delete.
 586         * config/score/score3.h: Delete.
 587         * config/score/mul-div.S: Delete.
 588         * config/score/sfp-machine.h: Add new file.
 589         * config/score/constraints.md: Add new file.
 590         * config/score/t-score-softfp: Add new file.
 591         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
 592         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
 593         (score7_extra_constraint): Delete.
 594         (score7_option_override): Remove unused code.
 595         * config/score/score.c: Remove score3 and score5 define and code.
 596         * config/score/score.h: Remove score3 and score5 define and code.
 597         * config/score/score.md: Remove score3 template and unusual insn.
 598         * config/score/score.opt: Remove score3 and score5 options.
 599
 600 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 601
 602         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
 603         when _HPUX_SOURCE is defined.
 604         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
 605
 606 2011-03-10  Jason Merrill  <jason@redhat.com>
 607
 608         PR c++/48029
 609         * stor-layout.c (layout_type): Don't set structural equality
 610         on arrays of incomplete type.
 611         * tree.c (type_hash_eq): Handle comparing them properly.
 612
 613 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
 614
 615         PR debug/48043
 616         * config/s390/s390.c (s390_delegitimize_address): Make sure the
 617         result mode matches original rtl mode.
 618
 619 2011-03-10  Nick Clifton  <nickc@redhat.com>
 620
 621         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
 622         (andsi3, andsi3_flags): Fix timings for three operand alternative.
 623
 624 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
 625
 626         PR rtl-optimization/47866
 627         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
 628         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
 629         if target wasn't scalar.
 630         * function.c (assign_stack_temp_for_type): Assert that neither
 631         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
 632         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
 633         macro.
 634         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
 635
 636 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 637
 638         * config/s390/s390-protos.h (s390_label_align): New prototype.
 639         * config/s390/s390.c (s390_label_align): New function.
 640         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
 641
 642 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
 643
 644         PR target/47755
 645         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
 646         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
 647         (output_vec_const_move): Ditto.
 648
 649 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
 650
 651         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
 652         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
 653         * config/mips/mips.c (mips_preferred_reload_class): Make static.
 654         Change 'rclass' argument and result type to reg_class_t.
 655         (TARGET_PREFERRED_RELOAD_CLASS): Define.
 656
 657 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
 658
 659        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
 660        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST,
 661        TARGET_MEMORY_MOVE_COST): Define.
 662        (avr_register_move_cost, avr_memory_move_cost): New Functions.
 663
 664 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
 665
 666         PR debug/47881
 667         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
 668         removed anything.
 669
 670         PR tree-optimization/48022
 671         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
 672         for EQ/NE_EXPR.
 673
 674 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
 675
 676         PR debug/47991
 677         * var-tracking.c (find_use_val): Return NULL for
 678         cui->sets && cui->store_p BLKmode MEMs.
 679
 680 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
 681
 682         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
 683         Remove.
 684         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
 685         xstormy16_print_operand_address): Remove.
 686         * config/stormy16/stormy16.c (xstormy16_print_operand,
 687         xstormy16_print_operand_address): Make static.
 688         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
 689
 690 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
 691
 692         PR target/47862
 693         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
 694         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
 695         before definition.
 696
 697 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
 698
 699         PR bootstrap/48000
 700         * cfgloopmanip.c (fix_bb_placements): Return immediately
 701         if FROM is BASE_LOOP's header.
 702
 703 2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
 704
 705         * gimplify.c (gimplify_function_tree): Fix building calls
 706         to __builtin_return_address.
 707
 708 2011-03-07  Alan Modra  <amodra@gmail.com>
 709
 710         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
 711         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
 712         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
 713         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
 714         return_mode args.
 715         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
 716         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
 717         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
 718         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
 719         * config/rs6000/rs6000.c
 720         (rs6000_elf_end_indicate_exec_stack): Rename to..
 721         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
 722         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
 723         (rs6000_file_start): ..here.
 724         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
 725         file scope variables.
 726         (call_ABI_of_interest): New function.
 727         (init_cumulative_args): Set above vars when function return value
 728         is a float, vector, or small struct.
 729         (rs6000_function_arg_advance_1): Likewise for function args.
 730         (rs6000_va_start): Set rs6000_passes_float if variable arg function
 731         references float args.
 732
 733 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
 734
 735         * doc/cfg.texi: Remove "See" before @ref.
 736         * doc/invoke.texi: Likewise.
 737
 738 2011-03-05  Jason Merrill  <jason@redhat.com>
 739
 740         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
 741
 742 2011-03-05  Anthony Green  <green@moxielogic.com>
 743
 744         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
 745
 746 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
 747
 748         PR rtl-optimization/47899
 749         * cfgloopmanip.c (fix_bb_placements): Fix first argument
 750         to flow_loop_nested_p when moving the loop upward.
 751
 752 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
 753
 754         PR target/47719
 755         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
 756
 757 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
 758
 759         PR tree-optimization/47967
 760         * ipa-cp.c (build_const_val): Return NULL instead of creating
 761         VIEW_CONVERT_EXPR for mismatching sizes.
 762         (ipcp_create_replace_map): Return NULL if build_const_val failed.
 763         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
 764         give up on versioning.
 765
 766 2011-03-05  Alan Modra  <amodra@gmail.com>
 767
 768         PR target/47986
 769         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
 770         full cmodel medium/large lo_sum + high addresses.
 771
 772 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 773
 774         * config/s390/s390.c (s390_decompose_address): Reject non-literal
 775         pool references in UNSPEC_LTREL_OFFSET.
 776
 777 2011-03-04  Jan Hubicka  <jh@suse.cz>
 778
 779         PR lto/47497
 780         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
 781         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
 782         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
 783         Add node pointers.
 784         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
 785         cgraph_add_thunk): Add node pointers.
 786         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
 787         associated to right node.
 788         (input_node): Update use of cgraph_same_body_alias
 789         and cgraph_add_thunk.
 790
 791 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
 792
 793         * config/i386/i386.opt (mprefer-avx128): New flag.
 794         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
 795         modes when the flag -mprefer-avx128 is on.
 796
 797 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
 798
 799         * dwarf2out.c (compare_loc_operands): Fix address handling.
 800
 801 2011-03-04  Alan Modra  <amodra@gmail.com>
 802
 803         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
 804
 805 2011-03-04  Richard Guenther  <rguenther@suse.de>
 806
 807         PR middle-end/47968
 808         * expmed.c (extract_bit_field_1): Prefer vector modes that
 809         vec_extract patterns can handle.
 810
 811 2011-03-04  Richard Guenther  <rguenther@suse.de>
 812
 813         PR middle-end/47975
 814         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
 815
 816 2011-03-04  Richard Henderson  <rth@redhat.com>
 817
 818         * explow.c (emit_stack_save): Remove 'after' parameter.
 819         (emit_stack_restore): Likewise.
 820         * expr.h: Update to match.
 821         * builtins.c, calls.c, stmt.c: Likewise.
 822         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
 823         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
 824         * function.c (expand_function_end): Insert the emit_stack_save
 825         sequence before parm_birth_insn instead of after.
 826
 827 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
 828
 829         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
 830         (ssse3_pmaddubsw128): Ditto.
 831         (ssse3_pmaddubsw): Ditto.
 832
 833 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
 834
 835         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
 836
 837 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
 838
 839         PR c/47963
 840         * gimplify.c (omp_add_variable): Only call omp_notice_variable
 841         on TYPE_SIZE_UNIT if it is a DECL.
 842
 843         PR debug/47283
 844         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
 845         first operand is not is_gimple_mem_ref_addr, try to fold it.
 846         If the operand still isn't is_gimple_mem_ref_addr, clear
 847         MEM_EXPR on op0.
 848
 849 2011-03-03  Richard Guenther  <rguenther@suse.de>
 850
 851         PR middle-end/47283
 852         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
 853         match comment.
 854         (refs_may_alias_p_1): For release branches return true if
 855         we are confused by our input.
 856
 857 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 858
 859         * config/s390/s390.c (s390_function_value): Rename to ...
 860         (s390_function_and_libcall_value): ... this.
 861         (s390_function_value): New function.
 862         (s390_libcall_value): New function.
 863         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
 864         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
 865         target macro definitions.
 866         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
 867
 868 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
 869
 870         * config/i386/freebsd64.h (CC1_SPEC): Define.
 871         * config/i386/linux64.h (CC1_SPEC): Define.
 872         * config/i386/x86-64.h (CC1_SPEC): Don't define.
 873
 874 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
 875
 876         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
 877         Remove.
 878         * config/stormy16/stormy16.c: Include reload.h.
 879         (xstormy16_memory_move_cost): New function.
 880         (TARGET_MEMORY_MOVE_COST): Define.
 881
 882 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
 883
 884         PR rtl-optimization/47925
 885         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
 886         with side effects.  Remove the more-specific check for volatile asms.
 887
 888 2011-03-02  Alan Modra  <amodra@gmail.com>
 889
 890         PR target/47935
 891         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
 892         toc relative addresses for valid offsets.
 893
 894 2011-03-01  Richard Guenther  <rguenther@suse.de>
 895
 896         PR tree-optimization/47890
 897         * tree-vect-loop.c (get_initial_def_for_induction): Set
 898         related stmt properly.
 899
 900 2011-03-01  Richard Guenther  <rguenther@suse.de>
 901
 902         PR lto/47924
 903         * lto-streamer.c (lto_record_common_node): Also register
 904         the canonical type.
 905
 906 2011-03-01  Richard Guenther  <rguenther@suse.de>
 907
 908         PR lto/46911
 909         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
 910         Do not stream DECL_ABSTRACT_ORIGIN.
 911         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
 912         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
 913         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
 914         Do not stream DECL_ABSTRACT_ORIGIN.
 915         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
 916         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
 917
 918 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
 919
 920         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
 921         FUNCTION_VALUE_REGNO_P): Remove.
 922         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
 923         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
 924         Add 'outgoing' argument.
 925         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
 926         function.
 927         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
 928         TARGET_FUNCTION_VALUE_REGNO_P): Define.
 929
 930 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
 931
 932         PR debug/28047
 933         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
 934         (lookup_filename): Likewise.
 935         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
 936
 937 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
 938             Jakub Jelinek  <jakub@redhat.com>
 939
 940         PR middle-end/47893
 941         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
 942         (assign_stack_local_1): Change last argument type to int.
 943         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
 944         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
 945         don't record padding space into frame_space_list nor use those areas.
 946         (assign_stack_local): Adjust caller.
 947         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
 948         of assign_stack_local, pass 0 as last argument.
 949         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
 950         callers.
 951
 952 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
 953
 954         PR debug/47283
 955         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
 956         Use target address_mode and pointer_mode hooks instead of hardcoded
 957         Pmode and ptr_mode.  Handle some simple cases of extending if
 958         POINTERS_EXTEND_UNSIGNED < 0.
 959         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
 960         Call convert_debug_memory_address.
 961         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
 962         convert_debug_memory_address.
 963
 964         PR middle-end/46790
 965         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
 966         * configure: Regenerated.
 967         * config.in: Regenerated.
 968         * varasm.c (default_function_section): Return NULL
 969         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
 970
 971 2011-02-28  Martin Jambor  <mjambor@suse.cz>
 972
 973         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
 974         the description to match the printed values.
 975
 976 2011-02-28  Richard Guenther  <rguenther@suse.de>
 977
 978         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
 979         of the copied scope tree.
 980
 981 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 982
 983         * doc/extend.texi (Function Attributes): Avoid deeply (and
 984         wrongly) nested tables.
 985
 986 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
 987
 988         PR middle-end/47903
 989         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
 990         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
 991         r isn't op0 nor op1.
 992
 993 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
 994
 995         * config/avr/avr.md: Remove magic comment for emacs.
 996
 997 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
 998
 999         PR target/45261
1000         * config/avr/avr.c (avr_option_override): Use error on bad options.
1001         (avr_help): New function.
1002         (TARGET_HELP): Define.
1003
1004 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
1005
1006         PR target/42240
1007         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
1008         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
1009
1010 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
1011
1012         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
1013         (ARM Options): Ditto.
1014         (i386 and x86-64 Options): Ditto.
1015         (RX Options): Ditto.
1016         (SPARC Options): Ditto.
1017
1018 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
1019
1020         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
1021         FreeBSD 6 and later.  Generally use cpu generic.
1022
1023 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
1024
1025         * doc/cpp.texi: Update copyright years.
1026
1027 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1028
1029         PR target/46898
1030         * config/lm32/lm32.md (ashrsi3): Added needed variable.
1031
1032 2011-02-25  Jon Beniston  <jon@beniston.com>
1033
1034         PR target/46898
1035         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
1036         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
1037         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
1038         (lm32_block_move_inline): Add type cast to remove warning.
1039         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
1040         (gen_int_relational): Move declarations to start of function.
1041
1042 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1043
1044         PR tree-optimization/45470
1045         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
1046         can throw internally only.
1047         * tree-vect-stmts.c (vectorizable_call): Likewise.
1048
1049 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
1050
1051         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
1052         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1053         * config/stormy16/stormy16-protos.h
1054         (xstormy16_preferred_reload_class): Remove.
1055         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
1056         static. Change 'rclass' argument and return type to reg_class_t.
1057         (TARGET_PREFERRED_RELOAD_CLASS,
1058         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1059
1060 2011-02-24  Richard Guenther  <rguenther@suse.de>
1061
1062         * lto-streamer-in.c (input_bb): Do not find referenced vars
1063         in debug statements.
1064
1065 2011-02-23  Jason Merrill  <jason@redhat.com>
1066
1067         * common.opt (fabi-version): Document v5 and v6.
1068
1069 2011-02-23  Richard Guenther  <rguenther@suse.de>
1070
1071         PR tree-optimization/47849
1072         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
1073
1074 2011-02-23  Jie Zhang  <jie@codesourcery.com>
1075
1076         * opts-common.c (decode_cmdline_option): Print empty string
1077         argument as "" in decoded->orig_option_with_args_text.
1078         * gcc.c (execute): Print empty string argument as ""
1079         in the verbose output.
1080         (do_spec_1): Keep empty string argument.
1081
1082 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
1083
1084         * config.gcc: Declare score-* and crx-* obsolete.
1085
1086 2011-02-23  Jie Zhang  <jie@codesourcery.com>
1087
1088         PR rtl-optimization/47763
1089         * web.c (web_main): Ignore naked clobber when replacing register.
1090
1091 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
1092
1093         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
1094         Remove.
1095
1096 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1097
1098         PR doc/47848
1099         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
1100
1101 2011-02-22  Mike Stump  <mikestump@comcast.net>
1102
1103         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
1104         assembler.
1105         * configure: Regenerate.
1106
1107 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
1108
1109         PR rtl-optimization/46002
1110         * ira-color.c (update_copy_costs): Change class intersection
1111         test to reg_class_contents[] test of 'hard_regno'.
1112
1113 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
1114
1115         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
1116         than Driver option.
1117         * config/hpux11.opt (mt): Likewise.
1118         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
1119         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
1120         * config/vax/elf.opt (mno-asm-pic): Likewise.
1121         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
1122
1123 2011-02-21  Mike Stump  <mikestump@comcast.net>
1124
1125         PR target/47822
1126         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
1127         tree so we can get save the type.
1128         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
1129         for CFString instead of trying to use past the end of the builtins.
1130         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
1131         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
1132         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
1133         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
1134         Rename to darwin_builtin_cfstring.
1135         (darwin_init_cfstring_builtins): Return the built type.
1136
1137 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
1138
1139         PR target/47840
1140         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
1141         (_mm256_insert_epi64): Use _mm_insert_epi64.
1142
1143 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
1144
1145         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1146         * config/stormy16/stormy16-protos.h
1147         (xstormy16_mode_dependent_address_p): Remove.
1148         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1149         Make static. Change return type to bool. Change argument type to
1150         const_rtx. Remove dead code.
1151         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1152
1153 2011-02-21  Richard Guenther  <rguenther@suse.de>
1154
1155         PR lto/47820
1156         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
1157         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
1158         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
1159         TUs context.
1160         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1161         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
1162
1163 2011-02-20  Richard Guenther  <rguenther@suse.de>
1164
1165         PR lto/47822
1166         * tree.c (free_lang_data_in_decl): Clean builtins from
1167         the TU decl BLOCK_VARS.
1168
1169 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
1170
1171         PR debug/47620
1172         PR debug/47630
1173         * haifa-sched.c (fix_tick_ready): Skip tick computation
1174         for debug insns.
1175
1176 2011-02-19  Richard Guenther  <rguenther@suse.de>
1177
1178         PR lto/47647
1179         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
1180         Remove lazy BLOCK_VARS streaming.
1181         (lto_input_ts_block_tree_pointers): Likewise.
1182         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
1183
1184 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
1185
1186         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
1187
1188 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
1189
1190         * config/i386/biarch32.h, config/i386/mach.h,
1191         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
1192
1193 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
1194
1195         PR target/47800
1196         * config/i386/i386.md (peephole2 for shift and plus): Use
1197         operands[1] original mode in the first insn.
1198
1199 2011-02-18  Mike Stump  <mikestump@comcast.net>
1200
1201         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
1202
1203 2011-02-18  Jan Hubicka  <jh@suse.cz>
1204
1205         PR middle-end/47788
1206         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
1207         to zero when the function is not inlinable at all.
1208
1209 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1210
1211         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
1212         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1213         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
1214         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
1215         * config/pa/t-pa64: Likewise.
1216         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
1217
1218 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
1219
1220         PR driver/47787
1221         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
1222
1223 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1224
1225         PR target/47792
1226         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
1227
1228 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
1229
1230         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1231         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
1232         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
1233         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
1234         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
1235         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
1236         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
1237         m32r_load_postinc_p, m32r_store_preinc_predec_p,
1238         m32r_legitimate_address_p): New functions.
1239         * config/m32r/constraints.md (constraint "S"): Don't use
1240         STORE_PREINC_PREDEC_P.
1241         (constraint "U"): Don't use LOAD_POSTINC_P.
1242
1243 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
1244
1245         PR rtl-optimization/46178
1246         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
1247         compute ira_hard_regno_cover_class[].
1248
1249 2011-02-18  Richard Guenther  <rguenther@suse.de>
1250
1251         PR lto/47798
1252         * lto-streamer.h (lto_global_var_decls): Declare.
1253         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
1254         statics for global var processing.
1255
1256 2011-02-18  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/47737
1259         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
1260         edge dominance check.
1261
1262 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
1263
1264         PR debug/47780
1265         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
1266         avoid invalid rtx sharing.
1267
1268 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
1269
1270         * doc/cpp.texi (Obsolete Features): Add background on the
1271         origin of assertions.
1272
1273 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
1274
1275         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
1276         objc_abi == 2.
1277         * config/darwin.c (output_objc_section_asm_op): Added support for
1278         ABI v1 and v2.
1279         (is_objc_metadata): New.
1280         (darwin_objc2_section): New.
1281         (darwin_objc1_section): New.
1282         (machopic_select_section): Added support for ABI v1 and v2.
1283         (darwin_emit_objc_zeroed): New.
1284         (darwin_output_aligned_bss): Detect objc metadata and treat it
1285         appropriately.
1286         (darwin_asm_output_aligned_decl_common): Same.
1287         (darwin_asm_output_aligned_decl_local): Same.
1288         * config/darwin-sections.def: Updated for ABI v1 and v2.
1289         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
1290         compiling Objective-C code for the NeXT runtime, default to using
1291         ABI version 0 for 32-bit, and version 2 for 64-bit.
1292
1293 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1294
1295         * common.opt (optimize_fast): New Variable.
1296         * opts.c (default_options_optimization): Use opts->x_optimize_fast
1297         instead of local variable ofast.
1298
1299 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
1300
1301         * doc/invoke.texi (fobjc-abi-version): Documented.
1302         (fobjc-nilcheck): Documented.
1303         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
1304         version.
1305
1306 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1307
1308         PR driver/47390
1309         * common.opt (export-dynamic): New Driver option.
1310         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
1311
1312 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1313
1314         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
1315
1316 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
1317             Jan Hubicka  <jh@suse.cz>
1318
1319         PR debug/47106
1320         PR debug/47402
1321         * cfgexpand.c (account_used_vars_for_block): Remove.
1322         (estimated_stack_frame_size): Use referenced vars.
1323         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
1324         that were referenced in the original function.  Test src_fn
1325         rather than cfun.  Drop redundant get_var_ann.
1326         (setup_one_parameter): Drop redundant get_var_ann.
1327         (declare_return_variable): Likewise.
1328         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
1329         (copy_arguments_for_versioning): Drop redundant get_var_ann.
1330         * ipa-inline.c (compute_inline_parameters): Do not compute
1331         disregard_inline_limits here.
1332         (compute_inlinable_for_current, pass_inlinable): New.
1333         (pass_inline_parameters): Require PROP_referenced_vars.
1334         * cgraphunit.c (cgraph_process_new_functions): Don't run
1335         compute_inline_parameters explicitly unless function is in SSA form.
1336         (cgraph_analyze_function): Set .disregard_inline_limits.
1337         * tree-sra.c (convert_callers): Compute inliner parameters
1338         only for functions already in SSA form.
1339
1340 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1341
1342         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
1343         -mlittle-endian-data.
1344
1345 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1346
1347         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
1348         -mno-fpu, not -fpu and -no-fpu.
1349         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
1350         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
1351
1352 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
1353
1354         PR target/43653
1355         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
1356         input reload with PLUS RTX.
1357
1358 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1359
1360         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
1361         of InverseVar(MDMX).
1362
1363 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1364
1365         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
1366         --m4-340.
1367
1368 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1369
1370         * config/mn10300/mn10300.opt (mno-crt0): New.
1371
1372 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1373
1374         * config/m68k/uclinux.opt (static-libc): New Driver option.
1375
1376 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1377
1378         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
1379
1380 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1381
1382         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
1383         %{muser-extend-enabled}.
1384
1385 2011-02-16  Richard Guenther  <rguenther@suse.de>
1386
1387         PR tree-optimization/47738
1388         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
1389         the TODO from tree_predictive_commoning.
1390
1391 2011-02-15  Jeff Law  <law@redhat.com>
1392
1393         Revert
1394         2011-01-25  Jeff Law  <law@redhat.com>
1395
1396         PR rtl-optimization/37273
1397         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1398         handle them like argument loads from stack slots.  Do not double
1399         count memory for memory constants and argument loads from stack slots.
1400
1401 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1402
1403         PR middle-end/47725
1404         * combine.c (cant_combine_insn_p): Revert the last change.
1405
1406 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1407
1408         PR target/47755
1409         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
1410         mode for vector constants.  Remove code that checks for TImode.
1411
1412 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1413
1414         PR debug/47106
1415         PR debug/47402
1416         * cgraph.h (compute_inline_parameters): Return void.
1417         * ipa-inline.c (compute_inline_parameters): Adjust.
1418
1419 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1420
1421         PR debug/47106
1422         PR debug/47402
1423         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
1424         rather than decl.
1425         * cfgexpand.c (estimated_stack_frame_size): Likewise.
1426         * ipa-inline.c (compute_inline_parameters): Adjust.
1427
1428 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1429
1430         PR debug/47106
1431         PR debug/47402
1432         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
1433         Adjust all users.  Pass FN to...
1434         * tree-flow-inline.h (first_referenced_var): ... this.  Add
1435         fn argument.
1436         * ipa-struct-reorg.c: Adjust.
1437         * tree-dfa.c: Adjust.
1438         * tree-into-ssa.c: Adjust.
1439         * tree-sra.c: Adjust.
1440         * tree-ssa-alias.c: Adjust.
1441         * tree-ssa-live.c: Adjust.
1442         * tree-ssa.c: Adjust.
1443         * tree-ssanames.c: Adjust.
1444         * tree-tailcall.c: Adjust.
1445
1446 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1447
1448         PR debug/47106
1449         PR debug/47402
1450         * tree-flow.h (referenced_var_lookup): Add fn parameter.
1451         Adjust all callers.
1452         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
1453         * tree-flow-inline.h: Adjust.
1454         * gimple-pretty-print.c: Adjust.
1455         * tree-into-ssa.c: Adjust.
1456         * tree-ssa.c: Adjust.
1457         * cfgexpand.c: Adjust.
1458
1459 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1460
1461         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
1462         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1463         (EXTRA_CONSTRAINT): Delete.
1464         * config/iq2000/constraints.md: New file.
1465         * config/iq2000/iq2000.md: Include it.
1466         (define_insn ""): Delete.
1467         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
1468         unsupported constraint letters from patterns.
1469         (call_value, call_value_internal1): Likewise.
1470         (call_value_multiple_internal1): Likewise.
1471
1472 2011-02-15  Nick Clifton  <nickc@redhat.com>
1473
1474         * config/mn10300/mn10300.c: Include tm-constrs.h.
1475         (struct liw_data): New data structure describing an LIW candidate
1476         instruction.
1477         (extract_bundle): Use struct liw_data.  Allow small integer
1478         operands for some instructions.
1479         (check_liw_constraints): Use struct liw_data.  Remove swapped
1480         parameter.  Add comments describing the checks.  Fix bug when
1481         assigning the source of liw1 to the source of liw2.
1482         (liw_candidate): Delete.  Code moved into extract_bundle.
1483         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
1484         before swapping.
1485         * config/mn10300/predicates.md (liw_operand): New predicate.
1486         Allows registers and small integer constants.
1487         * config/mn10300/constraints.md (O): New constraint.  Accetps
1488         integers in the range -8 to +7 inclusive.
1489         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
1490         for moving a small integer into a register.  Give this alternative
1491         LIW attributes.
1492         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
1493         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
1494         using the J,K,L and M constraints,
1495         (liw): Remove SI mode on second operands to allow for HI and QI
1496         mode values.
1497         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
1498         instruction.
1499
1500 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1501
1502         PR middle-end/47725
1503         * combine.c (cant_combine_insn_p): Check zero/sign extended
1504         hard registers.
1505
1506 2011-02-15  Richard Guenther  <rguenther@suse.de>
1507
1508         PR tree-optimization/47743
1509         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
1510         for a non-type-compatible VN lookup bail out.
1511
1512 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1513
1514         * config/fr30/constraints.md: New file.
1515         * config/fr30/fr30.md: Include it.
1516         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
1517         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1518         (EXTRA_CONSTRAINT): Delete.
1519
1520 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1521
1522         * config/frv/constraints.md: New file.
1523         * config/frv/predicates.md: Include it.
1524         * config/frv/frv.c (reg_class_from_letter): Delete.
1525         (frv_option_override): Don't initialize it.
1526         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
1527         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
1528         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
1529         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1530         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
1531         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1532         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
1533         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
1534         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
1535         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
1536         (REG_CLASS_FROM_CONSTRAINT): Delete.
1537
1538 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
1539
1540         PR middle-end/47581
1541         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
1542         if frame size is 0 in a leaf function.
1543
1544 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1545
1546         PR pch/14940
1547         * config/alpha/host-osf.c: New file.
1548         * config/alpha/x-osf: New file.
1549         * config.host (alpha*-dec-osf*): Use it.
1550
1551 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1552
1553         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1554         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
1555         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
1556         (rx_mode_dependent_address_p): ...this. Make static. Change argument
1557         type to const_rtx.
1558         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1559
1560 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1561
1562         * config/stormy16/constraints.md: New file.
1563         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
1564         Use satisfies_constraint_Q and satisfies_constraint_R.
1565         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
1566         Delete.
1567         (xstormy16_legitiamte_address_p): Declare.
1568         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
1569         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1570         (EXTRA_CONSTRAINT): Delete.
1571         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1572         Un-staticize.
1573         (xstormy16_extra_constraint_p): Delete.
1574
1575 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1576
1577         PR tree-optimization/46494
1578         * loop-unroll.c (split_edge_and_insert): Adjust comment.
1579         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
1580         (pass_rtl_loop_done): Add TODO_verify_flow.
1581         * fwprop.c (pass_rtl_fwprop): Likewise.
1582         * modulo-sched.c (pass_sms): Likewise.
1583         * tree-ssa-dom.c (pass_dominator): Likewise.
1584         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1585         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
1586         (pass_tree_loop_done): Likewise.
1587         * tree-ssa-pre.c (execute_pre): Likewise.
1588         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1589         * tree-ssa-sink.c (pass_sink_code): Likewise.
1590         * tree-vrp.c (pass_vrp): Likewise.
1591
1592 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1593
1594         * config/v850/constraints.md: New file.
1595         * config/v850/v850.md: Include it.
1596         * config/v850/predicates.md (reg_or_0_operand): Use
1597         satisfies_constraint_G.
1598         (special_symbolref_operand): Use satisfies_constraint_K.
1599         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
1600         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1601         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
1602         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1603         (EXTRA_CONSTRAINT): Delete.
1604         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
1605         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
1606         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
1607
1608 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1609
1610         PR target/47696
1611         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
1612         description.
1613
1614 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1615
1616         * config/mcore/constraints.md: New file.
1617         * config/mcore/mcore.md: Include it.
1618         * config/mcore/mcore.c (reg_class_from_letter): Delete.
1619         * config/mcore/mcore.h (reg_class_from_letter): Delete.
1620         (REG_CLASS_FROM_LETTER): Delete.
1621         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
1622         insn_const_int_ok_for_constraint.
1623         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1624         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
1625         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1626         (EXTRA_CONSTRAINT): Delete.
1627
1628 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1629
1630         PR ada/41929
1631         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
1632         (IS_SIGHANDLER): Define.
1633         (sparc64_is_sighandler): New function, split off from
1634         sparc64_fallback_frame_state.
1635         (sparc_is_sighandler): New function, split off from
1636         sparc_fallback_frame_state.
1637         (sparc64_fallback_frame_state): Merge with ...
1638         (sparc_fallback_frame_state): ... this into ...
1639         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
1640         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
1641         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
1642         stack instead of hardcoded offsets.
1643
1644 2011-02-14  Andriy Gapon  <avg@freebsd.org>
1645
1646         PR target/45808
1647         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
1648
1649 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1650
1651         * configure: Regenerate.
1652
1653 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
1654
1655         PR driver/45731
1656         * gcc.c (asm_options): Correct spec matching --target-help.
1657
1658 2011-02-12  Martin Jambor  <mjambor@suse.cz>
1659
1660         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
1661         to gimple call error.
1662
1663 2011-02-12  Mike Stump  <mikestump@comcast.net>
1664
1665         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
1666         comments in backslash regions.
1667
1668 2011-02-12  Mike Stump  <mikestump@comcast.net>
1669             Jakub Jelinek  <jakub@redhat.com>
1670             Iain Sandoe  <iains@gcc.gnu.org>
1671
1672         PR target/47324
1673         * dwarf2out.c (output_cfa_loc): When required, apply the
1674         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
1675         (output_loc_sequence): Likewise.
1676         (output_loc_operands_raw): Likewise.
1677         (output_loc_sequence_raw): Likewise.
1678         (output_cfa_loc): Likewise.
1679         (output_loc_list): Suppress register number adjustment when
1680         calling output_loc_sequence()
1681         (output_die): Likewise.
1682
1683 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
1684
1685         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1686         Remove macros.
1687         * config/xtensa/xtensa.c (xtensa_register_move_cost,
1688         xtensa_memory_move_cost): New functions.
1689         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
1690
1691 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
1692
1693         PR lto/47225
1694         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
1695         in the current directory.
1696         * configure: Rebuilt.
1697
1698 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1699
1700         * config/darwin.c (darwin_override_options): Add a hunk missed
1701         from the commit of r168571.  Trim comment line lengths and
1702         correct indents of the preceding block.
1703
1704 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1705
1706         * gcc.c (driver_handle_option): Concatenate the argument to -F with
1707         the switch.
1708
1709 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1710
1711         * common.opt (nostartfiles): New Driver option.
1712
1713 2011-02-11  Xinliang David Li  <davidxl@google.com>
1714
1715         PR tree-optimization/47707
1716         * tree-chrec.c (convert_affine_scev): Keep type precision.
1717
1718 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
1719
1720         PR tree-optimization/47420
1721         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
1722
1723 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
1724
1725         PR rtl-optimization/47614
1726         * rtl.h (check_for_inc_dec): Declare.
1727         * dse.c (check_for_inc_dec): Externalize...
1728         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
1729         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
1730
1731 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1732
1733         PR driver/47678
1734         * gcc.c (main): Do not compile inputs if there were errors in
1735         option handling.
1736         * opts-common.c (read_cmdline_option): Check for wrong language
1737         after other error checks.
1738
1739 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
1740
1741         * cgraph.c: Fix comment typos.
1742         * cgraph.h: Likewise.
1743         * cgraphunit.c: Likewise.
1744         * ipa-cp.c: Likewise.
1745         * ipa-inline.c: Likewise.
1746         * ipa-prop.c: Likewise.
1747         * ipa-pure-const.c: Likewise.
1748         * ipa-ref.c: Likewise.
1749         * ipa-reference.c: Likewise.
1750
1751 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR debug/47684
1754         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1755
1756 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1757
1758         PR testsuite/47400
1759         * doc/sourcebuild.texi (Require Support): Document
1760         dg-require-ascii-locale.
1761
1762 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1763
1764         * doc/lto.texi (Write summary): Fix missing parentheses.
1765
1766 2011-02-10  DJ Delorie  <dj@redhat.com>
1767
1768         * config/m32c/m32c.c (m32c_option_override): Disable
1769         -fcombine-stack-adjustments until flag value tracking and compare
1770         optimization can be rewritten.
1771
1772 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1773
1774         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1775         PROCESSOR_POWER7.
1776         (PROCESSOR_DEFAULT64): Likewise.
1777
1778 2011-02-10  Richard Henderson  <rth@redhat.com>
1779
1780         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1781         change from 2011-02-03.
1782         * config/rx/rx.c (flags_from_code): Likewise.
1783         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1784         is valid, n/pz otherwise.
1785         (rx_select_cc_mode): Return CCmode if Y is not zero.
1786
1787 2011-02-10  Richard Guenther  <rguenther@suse.de>
1788
1789         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1790
1791 2011-02-10  Richard Guenther  <rguenther@suse.de>
1792
1793         PR tree-optimization/47677
1794         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1795
1796 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1797
1798         PR target/47665
1799         * combine.c (make_compound_operation): Only change shifts into
1800         multiplication for SCALAR_INT_MODE_P.
1801
1802 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1803
1804         PR testsuite/47622
1805         Revert
1806         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1807         PR debug/42631
1808         * web.c (entry_register): Don't clobber the number of the
1809         first uninitialized reference in used[].
1810
1811 2011-02-09  Richard Guenther  <rguenther@suse.de>
1812
1813         PR tree-optimization/47664
1814         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1815         all edges again.
1816
1817 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1818
1819         PR target/46481
1820         PR target/47032
1821         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1822         PROCESSOR_POWER7.
1823         (PROCESSOR_DEFAULT64): Same.
1824         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1825
1826 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1827
1828         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1829
1830 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1831
1832         PR middle-end/45505
1833         * tree-sra.c (struct access): New flags grp_scalar_read and
1834         grp_scalar_write.  Changed description of assignment read and write
1835         flags.
1836         (dump_access): Dump new flags, reorder all of them.
1837         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1838         to detect multiple scalar reads.
1839         (analyze_access_subtree): Use the new scalar read write flags instead
1840         of the old flags.  Adjusted comments.
1841
1842 2011-02-08  DJ Delorie  <dj@redhat.com>
1843
1844         PR target/47548
1845         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1846         patterns.
1847
1848 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1849
1850         * config/m68k/uclinux.opt: New.
1851         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1852
1853 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1854
1855         * config/cris/elf.opt (sim): New Driver option.
1856
1857 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1858
1859         * config/xtensa/elf.opt: New.
1860         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1861
1862 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1863
1864         * config/vax/elf.opt: New.
1865         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1866
1867 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1868
1869         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1870
1871 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1872
1873         * config/gnu-user.opt: New.
1874         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1875         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1876         *-*-uclinux*): Use gnu-user.opt.
1877
1878 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1879
1880         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1881         * config/i386/gnu.h (CPP_SPEC): Likewise.
1882
1883 2011-02-08  Ian Lance Taylor  <iant@google.com>
1884
1885         * common.opt (fcx-limited-range): Add SetByCombined flag.
1886         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1887         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1888         (fassociative-math, freciprocal-math): Likewise.
1889         (funsafe-math-optimizations): Likewise.
1890         * opth-gen.awk: Handle SetByCombined.
1891         * optc-gen.awk: Likewise.
1892         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1893         (set_unsafe_math_optimizations_flags): Likewise.
1894         * doc/options.texi (Option properties): Document SetByCombined.
1895
1896 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1897
1898         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1899         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1900         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1901         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1902         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1903
1904 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1905
1906         PR tree-optimization/46834
1907         PR tree-optimization/46994
1908         PR tree-optimization/46995
1909         * graphite-sese-to-poly.c (used_outside_reduction): New.
1910         (detect_commutative_reduction): Call used_outside_reduction.
1911         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1912         translate_scalar_reduction_to_array only when at least one
1913         loop-phi/close-phi tuple has been detected.
1914
1915 2011-02-08  Richard Guenther  <rguenther@suse.de>
1916
1917         PR middle-end/47639
1918         * tree-vect-generic.c (expand_vector_operations_1): Update
1919         stmts here ...
1920         (expand_vector_operations): ... not here.  Cleanup EH info
1921         and the CFG if required.
1922
1923 2011-02-08  Richard Guenther  <rguenther@suse.de>
1924
1925         PR tree-optimization/47641
1926         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1927         require type compatibility.
1928
1929 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1930
1931         * gimple-low.c (lower_function_body): Don't remove the location of
1932         the return statement here.
1933         (lower_gimple_return): Do it here instead but only if the return
1934         statement is actually used twice.
1935
1936 2011-02-08  Richard Guenther  <rguenther@suse.de>
1937
1938         PR tree-optimization/47632
1939         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1940         unused up_to_stmt parameter, return whether cfg-cleanup is
1941         necessary, remove EH info properly.
1942         (forward_propagate_into_gimple_cond): Adjust caller.
1943         (forward_propagate_into_cond): Likewise.
1944         (forward_propagate_comparison): Likewise.
1945         (tree_ssa_forward_propagate_single_use_vars): Make
1946         forward_propagate_comparison case similar to the two others.
1947
1948 2011-02-08  Nick Clifton  <nickc@redhat.com>
1949
1950         * config/mn10300/mn10300.opt (mliw): New command line option.
1951         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1952         (liw_bundling): New automaton.
1953         (liw): New attribute.
1954         (liw_op): New attribute.
1955         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1956         (movsi_internal): Add LIW attributes.
1957         (andsi3): Likewise.
1958         (iorsi3): Likewise.
1959         (xorsi3): Likewise.
1960         (addsi3): Separate register and immediate alternatives.
1961         Add LIW attributes.
1962         (subsi3): Likewise.
1963         (cmpsi): Likewise.
1964         (aslsi3): Likewise.
1965         (lshrsi3): Likewise.
1966         (ashrsi3): Likewise.
1967         (liw): New pattern.
1968         * config/mn10300/mn10300.c (liw_op_names): New
1969         (mn10300_print_operand): Handle 'W' operand descriptor.
1970         (extract_bundle): New function.
1971         (check_liw_constraints): New function.
1972         (liw_candidate): New function.
1973         (mn10300_bundle_liw): New function.
1974         (mn10300_reorg): New function.
1975         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1976         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1977         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1978         __LIW__ or __NO_LIW__.
1979         * doc/invoke.texi: Describe the -mliw command line option.
1980
1981 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1982
1983         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1984         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1985         pthread_mutex_unlock): Remove.
1986         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1987         * config/pa/t-pa64: Likewise.
1988         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1989         shared libc if not linking against libpthread.
1990         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1991
1992 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1993
1994         PR target/47558
1995         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1996         on 10.6 and later to ensure that we always use the unwinder from
1997         the system.  Only add -no_compact_unwind when tarteting darwin
1998         10.6 or later.
1999
2000 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
2001
2002         PR target/46997
2003         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
2004         (vec_interleave_lowv2sf): Ditto.
2005         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
2006         (vec_extract_oddv2sf): Ditto.
2007
2008 2011-02-07  Mike Stump  <mikestump@comcast.net>
2009
2010         PR target/42333
2011         Add __ieee_divdc3 entry point.
2012         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
2013         entry point.
2014         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
2015         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
2016         * config/darwin.c (darwin_rename_builtins): Add.
2017         * config/darwin-protos.h (darwin_rename_builtins): Add.
2018
2019 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2020
2021         PR target/47636
2022         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
2023         for the condition.
2024
2025 2011-02-07  Mike Stump  <mikestump@comcast.net>
2026
2027         * config/darwin.opt (mmacosx-version-min): Update default OS version.
2028
2029 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
2030
2031         PR target/47534
2032         * config/avr/libgcc.S (exit): Move .endfunc
2033
2034 2011-02-07  Richard Guenther  <rguenther@suse.de>
2035
2036         PR tree-optimization/47615
2037         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
2038         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
2039         (run_scc_vn): Initialize it.
2040         (visit_reference_op_load): Use it.
2041         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
2042
2043 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2044
2045         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
2046         DImode trapping arithmetic libfuncs.
2047
2048 2011-02-07  Richard Guenther  <rguenther@suse.de>
2049
2050         PR tree-optimization/47621
2051         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
2052         two duplicates ...
2053         (execute_update_addresses_taken): ... here.  Make it more
2054         conservative in what we accept.
2055
2056 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
2057
2058         * config/sparc/freebsd.h (ASM_SPEC): Define.
2059         * config/sparc/vxworks.h (ASM_SPEC): Define.
2060
2061 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
2062
2063         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2064
2065 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
2066
2067         * doc/invoke.texi: Remove reference to compiler internals from
2068         user documentation.
2069
2070         * reg-notes.def: Remove REG_VALUE_PROFILE.
2071         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
2072
2073 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
2074
2075         PR middle-end/47610
2076         * varasm.c (default_section_type_flags): If decl is NULL,
2077         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
2078
2079 2011-02-05  Jie Zhang  <jie@codesourcery.com>
2080
2081         PR debug/42631
2082         * web.c (entry_register): Don't clobber the number of the
2083         first uninitialized reference in used[].
2084
2085 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
2086
2087         PR tree-optimization/46194
2088         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
2089         (build_classic_dist_vector_1): Do not represent classic distance
2090         vectors when the access functions are variating in different loops.
2091
2092 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2093
2094         * config/mips/iris6.opt: New.
2095         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
2096
2097 2011-02-04  Richard Henderson  <rth@redhat.com>
2098             Steve Ellcey  <sje@cup.hp.com>
2099
2100         PR target/46997
2101         * config/ia64/predicates.md (mux1_brcst_element): New.
2102         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
2103         * config/ia64/ia64.c (ia64_unpack_assemble): New.
2104         (ia64_unpack_sign): New.
2105         (ia64_expand_unpack): Rewrite using new routines.
2106         (ia64_expand_widen_sum): Ditto.
2107         (ia64_expand_dot_prod_v8qi): Ditto.
2108         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
2109         routines, add endian check.
2110         (pmpy2_even): Rename from pmpy2_r, add endian check.
2111         (pmpy2_odd): Rename from pmpy2_l, add endian check.
2112         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
2113         (vec_widen_smult_hi_v4hi): Ditto.
2114         (vec_widen_umult_lo_v4hi): Ditto.
2115         (vec_widen_umult_hi_v4hi): Ditto.
2116         (mulv2si3): Change endian checks.
2117         (sdot_prodv4hi): Rewrite with new calls.
2118         (udot_prodv4hi): New.
2119         (vec_pack_ssat_v4hi): Add endian check.
2120         (vec_pack_usat_v4hi): Ditto.
2121         (vec_pack_ssat_v2si): Ditto.
2122         (max1_even): Rename from max1_r, add endian check.
2123         (max1_odd): Rename from max1_l, add endian check.
2124         (*mux1_rev): Format change.
2125         (*mux1_mix): Ditto.
2126         (*mux1_shuf): Ditto.
2127         (*mux1_alt): Ditto.
2128         (*mux1_brcst_v8qi): Use new predicate.
2129         (vec_extract_evenv8qi): Remove endian check.
2130         (vec_extract_oddv8qi): Ditto.
2131         (vec_interleave_lowv4hi): Format change.
2132         (vec_interleave_highv4hi): Ditto.
2133         (mix2_even): Rename from mix2_r, add endian check.
2134         (mix2_odd): Rename from mux2_l, add endian check.
2135         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
2136         (vec_extract_evenodd_helper): Format change.
2137         (vec_extract_evenv4hi): Remove endian check.
2138         (vec_extract_oddv4hi): Remove endian check.
2139         (vec_interleave_lowv2si): Format change.
2140         (vec_interleave_highv2si): Format change.
2141         (vec_initv2si): Remove endian check.
2142         (vecinit_v2si): Add endian check.
2143         (reduc_splus_v2sf): Add endian check.
2144         (reduc_smax_v2sf): Ditto.
2145         (reduc_smin_v2sf): Ditto.
2146         (vec_initv2sf): Remove endian check.
2147         (fpack): Add endian check.
2148         (fswap): Add endian check.
2149         (vec_interleave_highv2sf): Add endian check.
2150         (vec_interleave_lowv2sf): Add endian check.
2151         (fmix_lr): Add endian check.
2152         (vec_setv2sf): Format change.
2153         (*vec_extractv2sf_0_be): Use shift to extract operand.
2154         (*vec_extractv2sf_1_be): New.
2155         (vec_pack_trunc_v4hi): Add endian check.
2156         (vec_pack_trunc_v2si): Format change.
2157
2158 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
2159
2160         PR inline-asm/23200
2161         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
2162         do bb, locus and block comparison and disallow loads if it is not set.
2163         (stmt_is_replaceable_p): New function.
2164         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
2165         callers.
2166         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
2167         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
2168         SSA_NAME_DEF_STMT.
2169         * tree-flow.h (stmt_is_replaceable_p): New prototype.
2170
2171 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2172
2173         * config/rs6000/xilinx.opt: New.
2174         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
2175
2176 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2177
2178         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
2179
2180 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
2181
2182         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
2183         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
2184         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
2185         secondary_reload_info, xtensa_secondary_reload): Remove.
2186         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
2187         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
2188         (xtensa_preferred_reload_class): Make static. Change return and
2189         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
2190         Use CONST_DOUBLE_P predicate.
2191         (xtensa_preferred_output_reload_class): New function.
2192         (xtensa_secondary_reload): Make static.
2193
2194 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
2195
2196         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
2197         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
2198         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
2199
2200 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2201
2202         PR middle-end/31490
2203         * output.h (SECTION_RELRO): Define.
2204         (SECTION_MACH_DEP): Adjust.
2205         (get_variable_section): New prototype.
2206         * varpool.c (varpool_finalize_named_section_flags): New function.
2207         (varpool_assemble_pending_decls): Call it.
2208         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
2209         * cgraphunit.c (cgraph_output_in_order): Call
2210         varpool_finalize_named_section_flags.
2211         * varasm.c (get_section): Allow section flags conflicts between
2212         relro and read-only sections if the section hasn't been declared yet.
2213         Set SECTION_OVERRIDE after diagnosing section type conflict.
2214         (get_variable_section): No longer static.
2215         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
2216         readonly sections that need relocations.
2217         (decl_readonly_section_1): New function.
2218         (decl_readonly_section): Use it.
2219
2220         Revert:
2221         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
2222                     Steve Ellcey  <sje@cup.hp.com>
2223
2224         PR middle-end/31490
2225         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
2226         if section attribute used.
2227
2228 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2229
2230         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
2231         * config/darwin.c (SECTION_NO_ANCHOR): Define.
2232         (darwin_init_sections): Remove assertion.
2233
2234 2011-02-03  Nick Clifton  <nickc@redhat.com>
2235
2236         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
2237         lt and ge.
2238         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
2239         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
2240         instead of "n" and "pz".
2241         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
2242         CC_FLAG_S.
2243
2244 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2245
2246         PR target/47312
2247         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
2248         fma, expand FMA_EXPR as fma{,f,l} call.
2249
2250         PR lto/47274
2251         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
2252         copy them into a unsigned char variable and pass address of it to
2253         lto_output_data_stream.
2254
2255         PR target/47564
2256         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
2257         around backend_init_target and lang_dependent_init_target calls.
2258         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
2259         (verify_cgraph_node): Don't call set_cfun here.  Use
2260         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
2261         Set error_found for incorrectly represented calls to thunks.
2262
2263 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
2264
2265         PR debug/43092
2266         PR rtl-optimization/43494
2267         * rtl.h (for_each_inc_dec_fn): New type.
2268         (for_each_inc_dec): Declare.
2269         * rtlanal.c (struct for_each_inc_dec_ops): New type.
2270         (for_each_inc_dec_find_inc_dec): New fn.
2271         (for_each_inc_dec_find_mem): New fn.
2272         (for_each_inc_dec): New fn.
2273         * dse.c (struct insn_size): Remove.
2274         (replace_inc_dec, replace_inc_dec_mem): Remove.
2275         (emit_inc_dec_insn_before): New fn.
2276         (check_for_inc_dec): Use it, along with for_each_inc_dec.
2277         (canon_address): Pass mem modes to cselib_lookup.
2278         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
2279         (cselib_lookup_from_insn): Likewise.
2280         (cselib_subst_to_values): Likewise.
2281         * cselib.c (find_slot_memmode): New var.
2282         (cselib_find_slot): New fn.  Use it instead of
2283         htab_find_slot_with_hash everywhere.
2284         (entry_and_rtx_equal_p): Use find_slot_memmode.
2285         (autoinc_split): New fn.
2286         (rtx_equal_for_cselib_p): Rename and implement in terms of...
2287         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
2288         Deal with autoinc.  Special-case recursion into MEMs.
2289         (cselib_hash_rtx): Likewise.
2290         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
2291         address and MEM modes.
2292         (cselib_subst_to_values): Add memmode, pass it on.
2293         Deal with autoinc.
2294         (cselib_lookup): Add memmode argument, pass it on.
2295         (cselib_lookup_from_insn): Add memmode.
2296         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
2297         (struct cselib_record_autoinc_data): New.
2298         (cselib_record_autoinc_cb): New fn.
2299         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
2300         mode to cselib_lookup.  Reset autoinced REGs here instead of...
2301         (cselib_process_insn): ... here.
2302         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
2303         to cselib_lookup.
2304         (add_uses): Likewise, also to cselib_subst_to_values.
2305         (add_stores): Likewise.
2306         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
2307         cselib_subst_to_values.
2308         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
2309         * gcse.c (do_local_cprop): Adjusted.
2310         * postreload.c (reload_cse_simplify_set): Adjusted.
2311         (reload_cse_simplify_operands): Adjusted.
2312         * sel-sched-dump (debug_mem_addr_value): Pass mode.
2313
2314 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
2315
2316         PR tree-optimization/45122
2317         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
2318         unsafe assumptions when there's more than one loop exit.
2319
2320 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2321
2322         PR target/47272
2323         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
2324         Document using vector double with the load/store builtins, and
2325         that the load/store builtins always use Altivec instructions.
2326
2327         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
2328         to use altivec memory instructions, even on VSX.
2329         (vector_altivec_store_<mode>): Ditto.
2330
2331         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
2332         function.
2333
2334         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2335         V2DF, V2DI support to load/store overloaded builtins.
2336
2337         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
2338         altivec load/store builtins for V2DF/V2DI types.
2339
2340         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
2341         set avoid indexed addresses on power6 if -maltivec.
2342         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
2343         vector_altivec_load/vector_altivec_store builtins.
2344         (altivec_expand_st_builtin): Ditto.
2345         (altivec_expand_builtin): Add VSX memory builtins.
2346         (rs6000_init_builtins): Add V2DI types to internal types.
2347         (altivec_init_builtins): Add support for V2DF/V2DI altivec
2348         load/store builtins.
2349         (rs6000_address_for_altivec): Insure memory address is appropriate
2350         for Altivec.
2351
2352         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
2353         vec_vsx_ld and vec_vsx_st.
2354         (vsx_store_<mode>): Ditto.
2355
2356         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
2357         variables to hold long long types for VSX vector memory builtins.
2358         (RS6000_BTI_unsigned_long_long): Ditto.
2359         (long_long_integer_type_internal_node): Ditti.
2360         (long_long_unsigned_type_internal_node): Ditti.
2361
2362         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
2363         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
2364         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
2365
2366         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
2367         short cuts.
2368         (vec_vsx_st): Ditto.
2369
2370 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2371
2372         * config/pa/pa-hpux10.opt: New.
2373         * config/hpux11.opt (pthread): New Driver option.
2374         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
2375         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
2376
2377 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2378
2379         * config/ia64/vms.opt: New.
2380         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
2381
2382 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2383
2384         PR target/47580
2385         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
2386         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
2387         generator functions.
2388         (vsx_floatuns<VSi><mode>2): Ditto.
2389         (vsx_fix_trunc<mode><VSi>2): Ditto.
2390         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
2391
2392 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2393
2394         * config/i386/djgpp.opt (posix): New Driver option.
2395
2396 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2397
2398         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
2399         Move to the unsupported targets list.
2400
2401 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
2402
2403         PR rtl-optimization/47525
2404         * df-scan.c: Update copyright years.
2405         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
2406         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
2407
2408 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2409
2410         * config/i386/sysv4.h (TARGET_VERSION): Remove.
2411         (SUBTARGET_RETURN_IN_MEMORY): Remove.
2412         (ASM_OUTPUT_ASCII): Remove.
2413         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
2414
2415 2011-02-02  Jeff Law  <law@redhat.com>
2416
2417         PR middle-end/47543
2418         * reload.c (find_reloads_address): Handle reg+d address where both
2419         components are invalid by reloading the entire address.
2420
2421 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2422             Richard Guenther  <rguenther@suse.de>
2423
2424         PR tree-optimization/40979
2425         PR bootstrap/47044
2426         * passes.c (init_optimization_passes): After LIM call copy_prop
2427         and DCE to clean up.
2428         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
2429
2430 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         PR tree-optimization/47576
2433         PR tree-optimization/47555
2434         * doc/invoke.texi (scev-max-expr-complexity): Documented.
2435         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2436         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
2437         * tree-scalar-evolution.c (follow_ssa_edge): Use
2438         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2439
2440 2011-02-02  Richard Guenther  <rguenther@suse.de>
2441
2442         PR tree-optimization/47566
2443         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
2444
2445 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2446
2447         PR debug/47106
2448         PR debug/47402
2449         * tree-inline.c (declare_return_variable): Remove unused caller
2450         variable.
2451
2452         PR debug/47106
2453         PR debug/47402
2454         * tree-flow-inline.h (clear_is_used, is_used_p): New.
2455         * cfgexpand.c (account_used_vars_for_block): Use them.
2456         * tree-nrv.c (tree_nrv): Likewise.
2457         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2458         (dump_scope_block): Likewise.
2459         (remove_unused_locals): Likewise.
2460
2461         PR debug/47106
2462         PR debug/47402
2463         * tree-inline.c (declare_return_variable): Add result decl to
2464         local decls only once.
2465         * gimple-low.c (record_vars_into): Mark newly-created variables
2466         as referenced.
2467
2468 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2469
2470         PR debug/47498
2471         PR debug/47501
2472         PR debug/45136
2473         PR debug/45130
2474         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2475         debug insns.
2476         (no_real_insns_p, schedule_block, set_priorities): Drop special
2477         treatment of boundary debug insns.
2478         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2479         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
2480         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2481         (BOUNDARY_DEBUG_INSN_P): Likewise.
2482         (SCHEDULE_DEBUG_INSN_P): Likewise.
2483         * sched-rgn.c (init_ready_list): Drop special treatment of
2484         boundary debug insns.
2485         * final.c (rest_of_clean_state): Clear notes' BB.
2486
2487 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2488
2489         * config/openbsd.opt (assert=): New Driver option.
2490
2491 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2492
2493         * config/i386/nto.opt: New.
2494         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
2495
2496 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2497
2498         * config/i386/netware.opt: New.
2499         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
2500
2501 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2502
2503         * config/interix.opt (posix): New Driver option.
2504
2505 2011-02-01  DJ Delorie  <dj@redhat.com>
2506
2507         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
2508
2509         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
2510         class for A0/A1.
2511
2512 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
2513
2514         PR tree-optimization/47561
2515         * toplev.c (process_options): Print the Graphite flags.  Add
2516         flag_loop_flatten to the list of options requiring Graphite.
2517
2518 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2519
2520         * config/i386/cygming.opt (posix): New Driver option.
2521
2522 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2523
2524         * config/arm/vxworks.opt: New.
2525         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
2526
2527 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2528
2529         * config/alpha/elf.opt: New.
2530         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
2531         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
2532
2533 2011-02-01  Richard Guenther  <rguenther@suse.de>
2534
2535         PR tree-optimization/47559
2536         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
2537         store-motion on references that can throw.
2538
2539 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
2540
2541         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
2542         * tree-pass.h (TDF_CSELIB): New macro.
2543         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
2544         cselib_lookup): Check for it rather than for TDF_DETAILS.
2545
2546 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
2547
2548         PR driver/47547
2549         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
2550         is HOST_BIT_BUCKET.
2551
2552         * opts.c (finish_options): Don't add x_aux_base_name if it is
2553         HOST_BIT_BUCKET.
2554
2555 2011-02-01  Richard Guenther  <rguenther@suse.de>
2556
2557         PR tree-optimization/47555
2558         Revert
2559         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
2560
2561         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2562
2563 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
2564
2565         PR gcc/46692
2566         * config/lm32/t-lm32: Add multilib for all CPU options.
2567
2568 2011-02-01  Richard Guenther  <rguenther@suse.de>
2569
2570         PR tree-optimization/47541
2571         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2572         sure to have a field at offset zero.
2573
2574 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2575
2576         * config/arc/arc.opt (EB, EL): New Driver options.
2577
2578 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2579
2580         * config/alpha/osf5.opt: New.
2581         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
2582
2583 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2584
2585         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
2586
2587 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
2588
2589         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
2590         -floop-interchange.
2591         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
2592         is an alias of -floop-interchange and that it requires the
2593         Graphite infrastructure.
2594         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
2595         flag_loop_interchange based on the value of flag_tree_loop_linear.
2596
2597 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
2598             Richard Guenther  <rguenther@suse.de>
2599
2600         PR tree-optimization/47538
2601         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
2602         type instead of r1type, except for comparisons.  For right
2603         shifts and comparisons punt if there are mismatches in
2604         sizetype vs. non-sizetype types.
2605
2606 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2607
2608         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2609         avx_runtime.
2610
2611 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2612
2613         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
2614         version number.
2615         * configure: Regenerate.
2616
2617 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2618
2619         * configure.ac (gcc_cv_ld_static_option): Define.
2620         (gcc_cv_ld_dynamic_option): Define.
2621         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
2622         instead.
2623         (HAVE_LD_STATIC_DYNAMIC): Update message.
2624         (LD_STATIC_OPTION): Define.
2625         (LD_DYNAMIC_OPTION): Define.
2626         * configure: Regenerate.
2627         * config.in: Regenerate.
2628         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
2629         HAVE_LD_STATIC_DYNAMIC]: Use them.
2630
2631 2011-01-31  Nick Clifton  <nickc@redhat.com>
2632
2633         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
2634         registers inside interrupt handlers if the handler is not a leaf
2635         function.
2636
2637 2011-01-31  Nick Clifton  <nickc@redhat.com>
2638
2639         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
2640         reg_renumber returning an INVALID_REGNUM.
2641
2642 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2643
2644         PR libgcj/44341
2645         * doc/install.texi: Document host options discarded when cross
2646         configuring target libraries.
2647
2648 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2649
2650         Reverted:
2651         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2652         PR debug/45136
2653         PR debug/45130
2654         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2655         debug insns.
2656         (no_real_insns_p, schedule_block, set_priorities): Drop special
2657         treatment of boundary debug insns.
2658         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2659         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2660         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2661         (BOUNDARY_DEBUG_INSN_P): Likewise.
2662         (SCHEDULE_DEBUG_INSN_P): Likewise.
2663         * sched-rgn.c (init_ready_list): Drop special treatment of
2664         boundary debug insns.
2665         * final.c (rest_of_clean-state): Clear notes' BB.
2666
2667 2011-01-31  Alan Modra  <amodra@gmail.com>
2668
2669         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
2670         toc relative expressions as we do in print_operand_address.
2671
2672 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
2673
2674         * doc/extend.texi: Follow spelling conventions.
2675         * doc/invoke.texi: Fix a typo.
2676
2677 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
2678
2679         * config/hpux11.opt: New.
2680         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
2681         ia64*-*-hpux*): Use hpux11.opt.
2682
2683 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
2684
2685         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
2686         to tmake_file.
2687
2688 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2689
2690         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
2691         support sites.
2692
2693 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2694
2695         * doc/install.texi (Binaries): Remove outdated reference for
2696         Motorola 68HC11/68HC12 downloads.
2697
2698 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2699
2700         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
2701         Drepper's paper.
2702
2703 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
2704
2705         PR bootstrap/47147
2706         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
2707         used by NetBSD.
2708
2709 2011-01-28  Ahmad Sharif  <asharif@google.com>
2710
2711         * value-prof.c (check_counter): Corrected error message.
2712
2713 2011-01-29  Jie Zhang  <jie@codesourcery.com>
2714
2715         * config/arm/arm.c (arm_legitimize_reload_address): New.
2716         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
2717         arm_legitimize_reload_address.
2718         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
2719
2720 2011-01-28  Ian Lance Taylor  <iant@google.com>
2721
2722         * godump.c (go_define): Ignore macros whose definitions include
2723         two adjacent operands.
2724
2725 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR target/42894
2728         * varasm.c (force_const_mem): Store copy of x in desc->constant
2729         instead of x itself.
2730         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
2731         itself into REG_EQUAL note.
2732
2733 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
2734
2735         * config/freebsd.opt (posix, rdynamic): New Driver options.
2736
2737 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2738
2739         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
2740         -Bstatic/-Bdynamic.
2741         * configure: Regenerate.
2742
2743 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
2744
2745         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2746         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2747
2748 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2749
2750         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2751         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2752         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2753         (s390_preferred_reload_class): Make static. Change return and
2754         'rclass' argument type to reg_class_t.
2755
2756 2011-01-27  Jan Hubicka  <jh@suse.cz>
2757
2758         PR middle-end/46949
2759         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2760         (process_function_and_variable_attributes): Check defined weakrefs.
2761
2762 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2763
2764         PR tree-optimization/47228
2765         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2766         build_ref_for_offset.
2767
2768 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2769
2770         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2771
2772 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2773
2774         PR rtl-optimization/46856
2775         * postreload.c (reload_combine_recognize_const_pattern): Do not
2776         separate cc0 setter and user on cc0 targets.
2777
2778 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2779
2780         PR c/43082
2781         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2782         passed a VOID_TYPE expression, immediately emit an error and
2783         return error_mark_node.
2784
2785 2011-01-26  Jeff Law  <law@redhat.com>
2786
2787         PR rtl-optimization/47464
2788         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2789         rather than may_trap_p as needed.
2790
2791 2011-01-26  DJ Delorie  <dj@redhat.com>
2792
2793         PR rtl-optimization/46878
2794         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2795         setter/user dependency as well.
2796
2797 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2798
2799         PR rtl-optimization/44469
2800         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2801         after removing trivially dead basic blocks.
2802
2803 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2804
2805         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2806         * config/frv/frv.h (LINK_SPEC): Likewise.
2807         * config/i386/netware.h (LINK_SPEC): Likewise.
2808         * config/m68k/linux.h (ASM_SPEC): Likewise.
2809         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2810         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2811         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2812         * config/sparc/linux.h (ASM_SPEC): Likewise.
2813         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2814         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2815
2816 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2817
2818         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2819         * config/frv/frv.h (ASM_SPEC): Likewise.
2820         * config/m68k/linux.h (ASM_SPEC): Likewise.
2821         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2822         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2823         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2824         * config/sparc/linux.h (ASM_SPEC): Likewise.
2825         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2826         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2827
2828 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2829
2830         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2831         * config/frv/frv.h (LINK_SPEC): Likewise.
2832         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2833
2834 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2835
2836         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2837         * config/frv/frv.h (ASM_SPEC): Likewise.
2838         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2839         * config/m68k/linux.h (ASM_SPEC): Likewise.
2840         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2841         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2842         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2843         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2844         * config/sparc/linux.h (ASM_SPEC): Likewise.
2845         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2846         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2847         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2848
2849 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2850
2851         PR target/46997
2852         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2853         (*mux2): Ditto.
2854         (vec_extract_evenodd_help): Ditto.
2855         (vec_extract_evenv4hi): Ditto.
2856         (vec_extract_oddv4hi): Ditto.
2857         (vec_interleave_lowv2si): Ditto.
2858         (vec_interleave_highv2si): Ditto.
2859         (vec_extract_evenv2si): Ditto.
2860         (vec_extract_oddv2si: Ditto.
2861         (vec_pack_trunc_v2si): Ditto.
2862
2863 2011-01-22  Jan Hubicka  <jh@suse.cz>
2864
2865         PR target/47237
2866         * cgraph.h (cgraph_local_info): New field can_change_signature.
2867         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2868         signature can change.
2869         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2870         can change.
2871         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2872         (cgraph_function_versioning): We can not change signature of functions
2873         that don't allow that.
2874         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2875         (lto_input_node): Likewise.
2876         * ipa-inline.c (compute_inline_parameters): Compute
2877         local.can_change_signature.
2878         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2879         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2880         functions that can not change signature.
2881         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2882         init_cumulative_args): Do not use local calling conventions
2883         for functions that can not change signature.
2884
2885 2011-01-22  Jan Hubicka  <jh@suse.cz>
2886
2887         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2888
2889 2011-01-26  Richard Guenther  <rguenther@suse.de>
2890
2891         PR tree-optimization/47190
2892         * cgraphunit.c (process_common_attributes): New function.
2893         (process_function_and_variable_attributes): Use it.
2894
2895 2011-01-26  Richard Guenther  <rguenther@suse.de>
2896
2897         PR lto/47423
2898         * cgraphbuild.c (record_eh_tables): Record reference to personality
2899         function.
2900
2901 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2902
2903         PR debug/45454
2904         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2905         non-debug insns from moving up.
2906
2907 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2908
2909         PR target/40125
2910         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2911         t-dlldir{,-x} fragment for build and add it to tmake_file.
2912         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2913         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2914         * config/i386/t-dlldir: New file.
2915         (SHLIB_DLLDIR): Define.
2916         * config/i386/t-dlldir-x: New file.
2917         (SHLIB_DLLDIR): Define.
2918         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2919         (SHLIB_INSTALL): Use it.
2920
2921 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2922
2923         PR target/47246
2924         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2925         lower bound of the allowed Thumb-2 coprocessor load/store
2926         index range to -256. Add explaining comment.
2927
2928 2011-01-25  Ian Lance Taylor  <iant@google.com>
2929
2930         * godump.c (go_define): Improve lexing of macro expansion to only
2931         accept expressions which match Go spec.
2932
2933 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2934
2935         PR c++/43601
2936         * tree.c (handle_dll_attribute): Handle it.
2937         * doc/extend.texi (@item dllexport): Mention it.
2938         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2939
2940 2011-01-25  Ian Lance Taylor  <iant@google.com>
2941
2942         PR tree-optimization/26854
2943         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2944         (decl_jump_unsafe): Move higher in file, with no other change.
2945         (bind): Set has_jump_unsafe_decl if appropriate.
2946         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2947         (check_earlier_gotos): Likewise.
2948         (c_check_switch_jump_warnings): Likewise.
2949
2950 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2951
2952         * doc/invoke.texi (Warning Options): Add missing hyphen.
2953         (-fprofile-dir): Minor grammatical fixes.
2954         (-fbranch-probabilities): Likewise.
2955
2956 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2957
2958         PR debug/45136
2959         PR debug/45130
2960         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2961         debug insns.
2962         (no_real_insns_p, schedule_block, set_priorities): Drop special
2963         treatment of boundary debug insns.
2964         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2965         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2966         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2967         (BOUNDARY_DEBUG_INSN_P): Likewise.
2968         (SCHEDULE_DEBUG_INSN_P): Likewise.
2969         * sched-rgn.c (init_ready_list): Drop special treatment of
2970         boundary debug insns.
2971         * final.c (rest_of_clean-state): Clear notes' BB.
2972
2973 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         * Makefile.in (LAMBDA_H): Removed.
2976         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2977         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2978         lambda-trans.o, and tree-loop-linear.o.
2979         (lto-symtab.o): Remove dependence on LAMBDA_H.
2980         (tree-loop-linear.o): Remove rule.
2981         (lambda-mat.o): Same.
2982         (lambda-trans.o): Same.
2983         (lambda-code.o): Same.
2984         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2985         (tree-vect-slp.o): Same.
2986         * hwint.h (gcd): Moved here.
2987         (least_common_multiple): Same.
2988         * lambda-code.c: Removed.
2989         * lambda-mat.c: Removed.
2990         * lambda-trans.c: Removed.
2991         * lambda.h: Removed.
2992         * tree-loop-linear.c: Removed.
2993         * lto-symtab.c: Do not include lambda.h.
2994         * omega.c (gcd): Removed.
2995         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2996         * tree-data-ref.c (print_lambda_vector): Moved here.
2997         (lambda_vector_copy): Same.
2998         (lambda_matrix_copy): Same.
2999         (lambda_matrix_id): Same.
3000         (lambda_vector_first_nz): Same.
3001         (lambda_matrix_row_add): Same.
3002         (lambda_matrix_row_exchange): Same.
3003         (lambda_vector_mult_const): Same.
3004         (lambda_vector_negate): Same.
3005         (lambda_matrix_row_negate): Same.
3006         (lambda_vector_equal): Same.
3007         (lambda_matrix_right_hermite): Same.
3008         * tree-data-ref.h: Do not include lambda.h.
3009         (lambda_vector): Moved here.
3010         (lambda_matrix): Same.
3011         (dependence_level): Same.
3012         (lambda_transform_legal_p): Removed declaration.
3013         (lambda_collect_parameters): Same.
3014         (lambda_compute_access_matrices): Same.
3015         (lambda_vector_gcd): Same.
3016         (lambda_vector_new): Same.
3017         (lambda_vector_clear): Same.
3018         (lambda_vector_lexico_pos): Same.
3019         (lambda_vector_zerop): Same.
3020         (lambda_matrix_new): Same.
3021         * tree-flow.h (least_common_multiple): Removed declaration.
3022         * tree-parloops.c (lambda_trans_matrix): Moved here.
3023         (LTM_MATRIX): Same.
3024         (LTM_ROWSIZE): Same.
3025         (LTM_COLSIZE): Same.
3026         (LTM_DENOMINATOR): Same.
3027         (lambda_trans_matrix_new): Same.
3028         (lambda_matrix_vector_mult): Same.
3029         (lambda_transform_legal_p): Same.
3030         * tree-pass.h (pass_linear_transform): Removed declaration.
3031         * tree-ssa-loop.c (tree_linear_transform): Removed.
3032         (gate_tree_linear_transform): Removed.
3033         (pass_linear_transform): Removed.
3034         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
3035         flag_loop_interchange.
3036
3037 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3038
3039         PR tree-optimization/47265
3040         PR tree-optimization/47443
3041         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
3042         if name still has some uses.
3043
3044 2011-01-25  Martin Jambor  <mjambor@suse.cz>
3045
3046         PR tree-optimization/47382
3047         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
3048         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
3049
3050 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
3051
3052         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
3053         sjlj_except_unwind_info.
3054
3055 2011-01-25  Richard Guenther  <rguenther@suse.de>
3056
3057         PR tree-optimization/47426
3058         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
3059         visible functions results escape.
3060
3061 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3062
3063         PR target/45701
3064         * config/arm/arm.c (any_sibcall_uses_r3): New function.
3065         (arm_get_frame_offsets): Use it.
3066
3067 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3068             Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR tree-optimization/47271
3071         * tree-if-conv.c (bb_postdominates_preds): New.
3072         (if_convertible_bb_p): Call bb_postdominates_preds.
3073         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
3074         (predicate_scalar_phi): Call bb_postdominates_preds.
3075
3076 2011-01-25  Nick Clifton  <nickc@redhat.com>
3077
3078         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
3079         * config/rx/rx.c (rx_function_value): Likewise.
3080         (rx_promote_function_mode): Likewise.
3081         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
3082         in order to make it legitimate.
3083         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
3084         make sure that the first operand is the same as the result register.
3085         (addsi3_unspec): Delete.
3086         (subdi3): Do not accept immediate operands.
3087         (subdi3_internal): Likewise.
3088
3089 2011-01-25  Jeff Law  <law@redhat.com>
3090
3091         PR rtl-optimization/37273
3092         * ira-costs.c (scan_one_insn): Detect constants living in memory and
3093         handle them like argument loads from stack slots.  Do not double
3094         count memory for memory constants and argument loads from stack slots.
3095
3096 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3097
3098         PR tree-optimization/47427
3099         PR tree-optimization/47428
3100         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3101         coalesce if the new root var would be TREE_READONLY.
3102
3103 2011-01-25  Richard Guenther  <rguenther@suse.de>
3104
3105         PR middle-end/47414
3106         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
3107         correct type for TBAA.
3108
3109 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3110
3111         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
3112         (close_phi_written_to_memory): Call for_each_index with
3113         dr_indices_valid_in_loop.
3114
3115 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3116
3117         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
3118         when it is initialized.
3119
3120 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3121
3122         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
3123         call to graphite_find_data_references_in_stmt.
3124         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
3125         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
3126         call to graphite_find_data_references_in_stmt.
3127         (analyze_drs_in_stmts): Same.
3128         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
3129         in which the scalar analysis of indices is performed.
3130         (create_data_ref): Same.  Update call to dr_analyze_indices.
3131         (find_data_references_in_stmt): Update call to create_data_ref.
3132         (graphite_find_data_references_in_stmt): Same.
3133         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
3134         declaration.
3135         (create_data_ref): Same.
3136         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
3137         call to create_data_ref.
3138
3139 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         * graphite-sese-to-poly.c (build_poly_scop): Move
3142         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
3143
3144 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3145
3146         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
3147         VAR_DECL, PARM_DECL, and RESULT_DECL.
3148
3149 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3150
3151         * graphite-dependences.c (reduction_dr_1): Allow several reductions
3152         in a reduction PBB.
3153         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
3154         that have already been marked as PBB_IS_REDUCTION.
3155
3156 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3157
3158         * graphite-scop-detection.c (same_close_phi_node): New.
3159         (remove_duplicate_close_phi): New.
3160         (make_close_phi_nodes_unique): New.
3161         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
3162
3163 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
3166         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
3167         of both data references to be the same.
3168
3169 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3170
3171         * graphite-dependences.c (build_lexicographical_constraint): Remove
3172         the gdim parameter.
3173         (build_lexicographical_constraint): Adjust call to
3174         ppl_powerset_is_empty.
3175         (dependence_polyhedron): Same.
3176         (graphite_legal_transform_dr): Same.
3177         (graphite_carried_dependence_level_k): Same.
3178         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
3179         parameter.
3180         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
3181
3182 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * graphite-sese-to-poly.c
3185         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
3186         (close_phi_written_to_memory): New.
3187         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
3188         and unshare_expr.
3189
3190 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * doc/install.texi: Update the expected version number of PPL to 0.11.
3193         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
3194         #if PPL_VERSION_MINOR < 11.
3195
3196 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3197
3198         * graphite-dependences.c: Include graphite-cloog-util.h.
3199         (new_poly_ddr): Inlined into dependence_polyhedron.
3200         (free_poly_ddr): Moved close by new_poly_ddr.
3201         (dependence_polyhedron_1): Renamed dependence_polyhedron.
3202         Early return NULL when ppl_powerset_is_empty returns true.
3203         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
3204         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
3205         (graphite_legal_transform_dr): Call new_poly_ddr.
3206         (graphite_carried_dependence_level_k): Same.
3207         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
3208         (dot_transformed_deps_stmt_1): Removed.
3209         (dot_deps_stmt_1): Call dot_deps_stmt_2.
3210         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
3211         (dot_deps_1): Call dot_deps_2.
3212         * Makefile.in (graphite-dependences.o): Add missing dependence on
3213         graphite-cloog-util.h.
3214
3215 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3216
3217         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
3218         (build_lexicographical_constraint): Same.
3219         (dependence_polyhedron_1): Same.
3220         (graphite_legal_transform_dr): Same.
3221         (graphite_carried_dependence_level_k): Same.
3222         * graphite-ppl.c (ppl_powerset_is_empty): New.
3223         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
3224         * tree-data-ref.c (dump_data_reference): Print the basic block index.
3225
3226 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3227
3228         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
3229         the "a followed by b" relation and document it.
3230
3231 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3232
3233         * graphite-dependences.c (build_lexicographical_constraint): Stop the
3234         iteration when the bag of constraints is empty.
3235
3236 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
3239
3240 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3241
3242         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
3243         nest and two loop depths as parameters.
3244         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
3245         lst_perfect_nestify.
3246
3247 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3248
3249         * graphite-dependences.c (print_pddr): Call
3250         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
3251
3252 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3253
3254         * graphite-ppl.c (debug_gmp_value): New.
3255         * graphite-ppl.h (debug_gmp_value): Declared.
3256
3257 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3258
3259         * doc/install.texi: Document availability of cloog-0.16.
3260
3261 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
3262
3263         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
3264         invalid postdominance info.
3265
3266 2011-01-24  Jan Hubicka  <jh@suse.cz>
3267
3268         PR c/21659
3269         * doc/extend.texi (weak pragma): Drop claim that it must
3270         appear before definition.
3271         * varasm.c (merge_weak, declare_weak): Only sanity check
3272         that DECL is not output at a time it is declared weak.
3273
3274 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
3275
3276         * machmode.def: Fixed comments.
3277
3278 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
3279
3280         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
3281
3282 2011-01-24  Paul Koning  <ni1d@arrl.net>
3283
3284         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
3285         WORDS_BIG_ENDIAN.
3286
3287 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3288
3289         PR target/46519
3290         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
3291         (block_info): Add scanned and prev.
3292         (move_or_delete_vzeroupper_2): Return if the basic block
3293         has been scanned and the upper 128bit state is unchanged
3294         from the last scan.
3295         (move_or_delete_vzeroupper_1): Return true if the exit
3296         state is changed.
3297         (move_or_delete_vzeroupper): Visit basic blocks using the
3298         work-list based algorithm based on vt_find_locations in
3299         var-tracking.c.
3300
3301         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
3302
3303 2011-01-24  Nick Clifton  <nickc@redhat.com>
3304
3305         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
3306         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
3307         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
3308         then define __v850e1__.
3309         * doc/invoke.texi: Document -mv850es.
3310
3311 2011-01-24  Richard Henderson  <rth@redhat.com>
3312
3313         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
3314         compound unordered comparisons.
3315         * config/rx/rx.c (rx_split_fp_compare): Remove.
3316         * config/rx/rx-protos.h: Update.
3317         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
3318         (cbranchsf4): Don't call rx_split_fp_compare.
3319         (*cbranchsf4): Use rx_split_cbranch.
3320         (*cmpsf): Don't accept "i" constraint.
3321         (*conditional_branch): Only valid after reload.
3322         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
3323
3324 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3325
3326         PR target/47385
3327         * config/rs6000/altivec.md (vector constant splitters): Add
3328         support for creating vector single precision constants if -mvsx is
3329         used and we would create the constant using Altivec primitives.
3330
3331 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
3332             Richard Sandiford  <rdsandiford@googlemail.com>
3333
3334         PR rtl-optimization/47166
3335         * reload1.c (emit_reload_insns): Disable the spill_reg_store
3336         mechanism for PRE_MODIFY and POST_MODIFY.
3337         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
3338         reloadreg.
3339
3340 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
3341
3342         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
3343
3344 2011-01-22  Jan Hubicka  <jh@suse.cz>
3345
3346         PR lto/47333
3347         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
3348
3349 2011-01-22  Jan Hubicka  <jh@suse.cz>
3350
3351         PR tree-optimization/43884
3352         PR lto/44334
3353         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
3354         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
3355
3356 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
3357
3358         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
3359         * config/s390/s390.c (s390_register_move_cost,
3360         s390_memory_move_cost): New.
3361         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
3362
3363 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3364
3365         PR middle-end/47401
3366         * except.c (sjlj_assign_call_site_values): Move setting the
3367         crtl->uses_eh_lsda flag to ...
3368         (sjlj_mark_call_sites): ... here.
3369         (sjlj_emit_function_enter): Support NULL dispatch label.
3370         (sjlj_build_landing_pads): In a function with no landing pads
3371         that still has must-not-throw regions, generate code to register
3372         a personality function with empty LSDA.
3373
3374 2011-01-21  Richard Henderson  <rth@redhat.com>
3375
3376         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
3377
3378         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
3379
3380         * compare-elim.c: New file.
3381         * Makefile.in (OBJS-common): Add it.
3382         (compare-elim.o): New.
3383         * common.opt (fcompare-elim): New.
3384         * opts.c (default_options_table): Add OPT_fcompare_elim.
3385         * tree-pass.h (pass_compare_elim_after_reload): New.
3386         * passes.c (init_optimization_passes): Add it.
3387         * recog.h: Protect against re-inclusion.
3388         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
3389         * doc/invoke.texi (-fcompare-elim): Document it.
3390         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
3391         * doc/tm.texi: Rebuild.
3392
3393 2011-01-22  Nick Clifton  <nickc@redhat.com>
3394
3395         * config/rx/rx.md (cstoresf4): Pass comparison operator to
3396         rx_split_fp_compare.
3397
3398 2011-01-22  Nick Clifton  <nickc@redhat.com>
3399
3400         * config/rx/rx.md (UNSPEC_CONST): New.
3401         (deallocate_and_return): Wrap the amount popped off the stack in
3402         an UNSPEC_CONST in order to stop it being rejected by
3403         -mmax-constant-size.
3404         (pop_and_return): Add a "(return)" rtx.
3405         (call): Drop the immediate operand.
3406         (call_internal): Likewise.
3407         (call_value): Likewise.
3408         (call_value_internal): Likewise.
3409         (sibcall_internal): Likewise.
3410         (sibcall_value_internal): Likewise.
3411         (sibcall): Likewise.  Generate an explicit call using
3412         sibcall_internal.
3413         (sibcall_value): Likewise.
3414         (mov<>): FAIL if a constant operand is not legitimate.
3415         (addsi3_unpsec): New pattern.
3416
3417         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
3418         (ok_for_max_constant): New function.
3419         (gen_safe_add): New function.
3420         (rx_expand_prologue): Use gen_safe_add.
3421         (rx_expand_epilogue): Likewise.
3422         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
3423         UNSPEC CONSTs.
3424
3425 2011-01-21  Jeff Law  <law@redhat.com>
3426
3427         PR tree-optimization/47053
3428         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
3429         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
3430         statements are deleted.
3431         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
3432         is nonempty, then purge dead edges and cleanup the CFG.
3433
3434 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3435
3436         PR debug/47402
3437         Temporarily revert:
3438         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3439         PR debug/47106
3440         * tree-dfa.c (create_var_ann): Mark variable as used.
3441
3442 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3443
3444         PR middle-end/45566
3445         * except.c (convert_to_eh_region_ranges): Emit queued no-region
3446         notes from other section in hot/cold partitioning even if
3447         last_action is -3.  Increment call_site_base.
3448
3449         PR rtl-optimization/47366
3450         * fwprop.c (forward_propagate_into): Return bool.  If
3451         any changes are made, -fnon-call-exceptions is used and
3452         REG_EH_REGION note is present, call purge_dead_edges
3453         and return true if it purged anything.
3454         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
3455         any EH edges were purged.
3456
3457 2011-01-21  Jeff Law  <law@redhat.com>
3458
3459         PR rtl-optimization/41619
3460         * caller-save.c (setup_save_areas): Break out code to determine
3461         which hard regs are live across calls by examining the reload chains
3462         so that it is always used.
3463         Eliminate code which checked REG_N_CALLS_CROSSED.
3464
3465 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3466
3467         PR tree-optimization/47355
3468         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
3469         NOP has non-debug uses beyond PHIs in new_bb.
3470
3471 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3472
3473         PR debug/47106
3474         * cfgexpand.c (account_used_vars_for_block): Only account vars
3475         that are annotated as used.
3476         (estimated_stack_frame_size): Don't set TREE_USED.
3477         * tree-dfa.c (create_var_ann): Mark variable as used.
3478
3479 2011-01-21  Richard Guenther  <rguenther@suse.de>
3480
3481         PR middle-end/47395
3482         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
3483
3484 2011-01-21  Richard Guenther  <rguenther@suse.de>
3485
3486         PR tree-optimization/47365
3487         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
3488         (vn_reference_lookup_pieces): Adjust.
3489         (vn_reference_lookup): Likewise.
3490         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
3491         (vn_reference_lookup_3): Only look through kills if in
3492         VN_WALKREWRITE mode.
3493         (vn_reference_lookup_pieces): Adjust.
3494         (vn_reference_lookup): Likewise.
3495         (visit_reference_op_load): Likewise.
3496         (visit_reference_op_store): Likewise.
3497         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
3498         (compute_avail): Likewise.
3499         (eliminate): Likewise.
3500
3501 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3502
3503         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
3504         DECL_IGNORED_P non-reg vars if they are used.
3505
3506         PR tree-optimization/47391
3507         * varpool.c (const_value_known_p): Return false if
3508         decl is volatile.
3509
3510 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
3511
3512         PR bootstrap/47215
3513         * config/i386/i386.c (ix86_local_alignment): Handle
3514         case for va_list_type_node is nil.
3515         (ix86_canonical_va_list_type): Likewise.
3516
3517 2011-01-21  Alan Modra  <amodra@gmail.com>
3518
3519         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
3520         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
3521
3522 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3523
3524         * config/arm/arm.md (define_attr type): Rename f_load
3525         and f_store to f_fpa_load and f_fpa_store. Update.
3526         (write_conflict): Deal with rename fallout.
3527         (*push_fp_multi): Likewise.
3528         * config/arm/fpa.md (f_load): Use f_fpa_load.
3529         (f_store): Use f_fpa_store.
3530         (*movsf_fpa): Likewise.
3531         (*movdf_fpa): Likewise.
3532         (*movxf_fpa): Likewise.
3533         (*thumb2_movsf_fpa): Likewise.
3534         (*thumb2_movdf_fpa): Likewise.
3535         (*thumb2_movxf_fpa): Likewise.
3536         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
3537         f_loadd and f_stored.
3538         (*thumb2_movdi_vfp): Likewise.
3539         (*thumb2_movsf_vfp): Fix attribute to f_loads.
3540         (*thumb2_movsi_vfp): Likewise.
3541         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
3542         Use f_loads instead of f_load.
3543         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
3544
3545 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
3546
3547         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
3548         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
3549         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
3550         (xtensa_mode_dependent_address_p): New function.
3551         (constantpool_address_p): Make static. Change return type to bool.
3552         Change argument type to const_rtx. Use CONST_INT_P predicate.
3553
3554 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
3555
3556         PR debug/46583
3557         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
3558
3559 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3560
3561         PR debug/47283
3562         * cfgexpand.c (expand_debug_expr): Instead of generating
3563         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
3564         etc. handling.
3565
3566 2011-01-20  Richard Guenther  <rguenther@suse.de>
3567
3568         PR middle-end/47370
3569         * tree-inline.c (remap_gimple_op_r): Recurse manually for
3570         the pointer operand of MEM_REFs.
3571
3572 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3573
3574         PR tree-optimization/46130
3575         * ipa-split.c (consider_split): If return_bb contains non-virtual
3576         PHIs other than for retval or if split_function would not adjust it,
3577         refuse to split.
3578
3579 2011-01-20  Richard Guenther  <rguenther@suse.de>
3580
3581         PR tree-optimization/47167
3582         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3583         Revert previous change, only avoid enumeral type changes.
3584
3585 2011-01-19  Mike Stump  <mikestump@comcast.net>
3586
3587         * doc/tm.texi.in (BRANCH_COST): Englishify.
3588         * doc/tm.texi (BRANCH_COST): Likewise.
3589
3590 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
3591
3592         PR c++/47291
3593         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
3594         (gen_scheduled_generic_parms_dies): New functions.
3595         (gen_struct_or_union_type_die): Schedule template parameters DIEs
3596         generation for the end of CU compilation.
3597         (dwarf2out_finish): Generate template parameters DIEs here.
3598
3599 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3600
3601         PR debug/46240
3602         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
3603         debug bind stmt on merge edges.
3604
3605 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3606
3607         PR debug/47079
3608         PR debug/46724
3609         * function.c (instantiate_expr): Instantiate incoming rtl of
3610         implicit arguments, and recurse on VALUE_EXPRs.
3611         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
3612         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
3613
3614 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3615
3616         * c-parser.c (c_parser_for_statement): Initialize
3617         collection_expression.
3618
3619 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3620
3621         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
3622
3623 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3624
3625         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
3626         (LINK_SHLIB_SPEC): Don't use %(link_path).
3627         (SUBTARGET_EXTRA_SPECS): Remove link_path.
3628
3629 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3630
3631         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
3632         (NO_SHARED_LIB_SUPPORT): Remove.
3633         (LINK_SHLIB_SPEC): Remove one conditional definition.
3634
3635 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3636
3637         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
3638         %{call_shared}.
3639         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
3640         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
3641         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
3642         %{call_shared} and conditionals on these options not being passed.
3643         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
3644         %{call_shared}.
3645
3646 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3647
3648         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
3649         simplify.
3650
3651         * ipa-split.c: Spelling fixes.
3652
3653 2011-01-19  Richard Henderson  <rth@redhat.com>
3654
3655         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
3656         (*mulsi3): Likewise.
3657
3658         * longlong.h [__mn10300__] (count_leading_zeros): New.
3659         [__mn10300__] (umul_ppmm, smul_ppmm): New.
3660         [__mn10300__] (add_ssaaaa, subddmmss): New.
3661         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
3662         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
3663
3664 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3665
3666         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
3667
3668 2011-01-19  Richard Henderson  <rth@redhat.com>
3669
3670         * config/mn10300/mn10300.md (addsi3_flags): New.
3671         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
3672         (subsi3_flags, subc_internal, subdi3): New.
3673         (subdi3_internal, *subdi3_degenerate): New.
3674         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
3675
3676         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
3677         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
3678         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
3679         * config/mn10300/mn10300-protos.h: Update.
3680         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
3681         (return_ret): Likewise.  Rename from return_internal_regs.
3682         (return_internal): Remove.
3683
3684         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
3685         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
3686         (mn10300_legitimate_constant_p): Likewise.
3687         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
3688         (mn10300_frame_size): New.
3689         (mn10300_expand_prologue): Use it.
3690         (mn10300_expand_epilogue): Likewise.
3691         (mn10300_initial_offset): Likewise.
3692         * config/mn10300/mn10300-protos.h: Update.
3693         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
3694         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
3695         (prologue, epilogue, return_internal): Tidy output code.
3696         (mn10300_store_multiple_operation, return): Likewise.
3697         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
3698         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
3699         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
3700         (load_pic, am33_load_pic): New.
3701         (mn10300_load_pic0, mn10300_load_pic1): New.
3702
3703         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
3704         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
3705         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
3706         (cc_flags_for_mode, cc_flags_for_code): New.
3707         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
3708         overflow flag is not valid.  Validate that the flags we need
3709         for the comparison are valid.
3710         (mn10300_output_cmp): Remove.
3711         (mn10300_output_add): New.
3712         (mn10300_select_cc_mode): Use cc_flags_for_code.
3713         (mn10300_split_cbranch): New.
3714         (mn10300_match_ccmode): New.
3715         (mn10300_split_and_operand_count): New.
3716         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
3717         to the function.
3718         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
3719         (addsi3): ... here.  Use mn10300_output_add.
3720         (*addsi3_flags): New.
3721         (*am33_subsi3, *mn10300_subsi3): Merge...
3722         (subsi3): ... here.  Use attribute isa.
3723         (*subsi3_flags): New.
3724         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
3725         when possible.
3726         (*am33_andsi3, *mn10300_andsi3): Merge...
3727         (andsi3): ... here.
3728         (*andsi3_flags): New.
3729         (andsi3 splitters): New.
3730         (*am33_iorsi3, *mn10300_iorsi3): Merge...
3731         (iorsi3): ... here.
3732         (*iorsi3_flags): New.
3733         (*am33_xorsi3, *mn10300_xorsi3): Merge...
3734         (xorsi3): ... here.
3735         (*xorsi3_flags): New.
3736         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
3737         (one_cmplsi2): ... here.
3738         (*one_cmplsi2_flags): New.
3739         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
3740         instead of "dax" in constraints.  Use mn10300_split_cbranch.
3741         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
3742         use matching constraints to eliminate a self-comparison.
3743         (*integer_conditional_branch): Rename from integer_conditional_branch.
3744         Use int_mode_flags to match CC_REG.
3745         (*cbranchsi4_btst, *btstsi): New.
3746         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3747         mn10300_split_cbranch.
3748         (*am33_cmpsf): Rename from am33_cmpsf.
3749         (*float_conditional_branch): Rename from float_conditional_branch.
3750         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3751         (zero_extendqisi2): ... here.
3752         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3753         (zero_extendhisi2): ... here.
3754         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3755         (extendqisi2): ... here.
3756         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3757         (extendhisi2): ... here.
3758         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3759         (ashlsi3): ... here.
3760         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3761         (lshrsi3): ... here.
3762         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3763         (ashrsi3): ... here.
3764         (consecutive add peephole): Remove.
3765         * config/mn10300/predicates.md (label_ref_operand): New.
3766         (int_mode_flags): New.
3767         (CCZN_comparison_operator): New.
3768
3769         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3770         (throughput_42_latency_43): New reservation.
3771         (mulsidi3, umulsidi3): New expanders.
3772         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3773         the MDR register to allocation; separately allocate the low and
3774         high parts of the DImode result.
3775         (umulsidi3_internal): Similarly.
3776         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3777         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3778         (udivsi3, umodsi3): Remove.
3779         (udivmodsi4, divmodsi4): New expanders.
3780         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3781         (*divmodsi4): Simiarly.
3782         (ext_internal): New.
3783
3784         * config/mn10300/constraints.md ("z"): New constraint.
3785         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3786         (FIXED_REGISTERS): Don't fix MDR.
3787         (CALL_USED_REGSITERS): Reformat nicely.
3788         (REG_ALLOC_ORDER): Add MDR.
3789         (enum regclass): Add MDR_REGS.
3790         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3791         (IRA_COVER_CLASSES): Add MDR_REGS.
3792         (REGNO_REG_CLASS): Handle MDR_REG.
3793         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3794         (mn10300_register_move_cost): Likewise.
3795         * config/mn10300/mn10300.md (MDR_REG): New.
3796         (*movsi_internal): Handle moves to/from MDR_REGS.
3797
3798         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3799         POST_MODIFY.
3800         (mn10300_secondary_reload): Tidy combination reload classes.
3801         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3802         addresses for AM33.  Allow symbolic offsets for reg+imm.
3803         (mn10300_regno_in_class_p): New.
3804         (mn10300_legitimize_reload_address): New.
3805         * config/mn10300/mn10300.h (enum reg_class): Remove
3806         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3807         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3808         SP_OR_GENERAL_REGS.
3809         (REG_CLASS_NAMES): Update to match.
3810         (REG_CLASS_CONTENTS): Likewise.
3811         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3812         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3813         (REGNO_IN_RANGE_P): Remove.
3814         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3815         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3816         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3817         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3818         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3819         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3820         (REGNO_GENERAL_P): New.
3821         (HAVE_POST_MODIFY_DISP): New.
3822         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3823         (LEGITIMIZE_RELOAD_ADDRESS): New.
3824         * config/mn10300/mn10300-protos.h: Update.
3825
3826         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3827         DATA_REGS for AM33 stack-pointer destination.
3828         (mn10300_preferred_output_reload_class): Likewise.
3829         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3830         into a form appropriate for ...
3831         (TARGET_SECONDARY_RELOAD): New.
3832         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3833         * config/mn10300/mn10300-protos.h: Update.
3834         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3835         reload_insi; use the "A" constraint for the scratch; handle AM33
3836         moves of sp to non-address registers.
3837
3838         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3839         (*movqi_internal): ... here.
3840         (*am33_movhi, *mn10300_movhi): Merge into...
3841         (*movhi_internal): ... here.
3842         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3843         as the source/destination of moves from/to SP.
3844         (movsf): Only allow for AM33-2.
3845         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3846         any integer constant constraint.  Only allow for AM33-2.  Tidy
3847         all of the alternative outputs.
3848         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3849         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3850         for MN103.
3851         (udivsi3, umodsi3): New patterns for MN103 only.
3852
3853 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3854
3855         * doc/tm.texi.in: Spell out that a lack of register class unions
3856         can lead to ICEs.
3857         * doc/tm.texi: Regenerate.
3858
3859 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3860
3861         PR rtl-optimization/47337
3862         * dce.c (check_argument_store): New function.
3863         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3864
3865         PR tree-optimization/47290
3866         * tree-eh.c (infinite_empty_loop_p): New function.
3867         (cleanup_empty_eh): Use it.
3868
3869 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3870
3871         PR target/46997
3872         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3873         (a64_expand_widen_sum): Ditto.
3874         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3875         (vec_extract_evenodd_help): Ditto.
3876         (vec_extract_evenv4hi): Ditto.
3877         (vec_extract_oddv4hi): Ditto.
3878         (vec_extract_evenv2si): Ditto.
3879         (vec_extract_oddv2si): Ditto.
3880         (vec_extract_evenv2sf): Ditto.
3881         (vec_extract_oddv2sf): Ditto.
3882         (vec_pack_trunc_v4hi: Ditto.
3883         (vec_pack_trunc_v2si): Ditto.
3884         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3885         (vec_interleave_highv8qi): Ditto.
3886         (mix1_r): Ditto.
3887         (vec_extract_oddv8qi): Ditto.
3888         (vec_interleave_lowv4hi): Ditto.
3889         (vec_interleave_highv4hi): Ditto.
3890         (vec_interleave_lowv2si): Ditto.
3891         (vec_interleave_highv2si): Ditto.
3892
3893 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3894
3895         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3896         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3897         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3898         (pa_c_mode_for_suffix): New.
3899         (TARGET_EXPAND_BUILTIN): Define.
3900         (TARGET_C_MODE_FOR_SUFFIX): Define.
3901         (pa_builtins): Define.
3902         (pa_init_builtins): Register __float128 type and init new support
3903         builtins.
3904         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3905         * config/pa/quadlib.c (_U_Qfcopysign): New.
3906
3907 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3908
3909         PR middle-end/46894
3910         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3911         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3912         are defined.
3913
3914 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3915
3916         PR tree-optimization/47179
3917         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3918         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3919
3920 2011-01-18  Richard Guenther  <rguenther@suse.de>
3921
3922         PR rtl-optimization/47216
3923         * emit-rtl.c: Include tree-flow.h.
3924         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3925         of replicating it with different semantics.
3926         * Makefile.in (emit-rtl.o): Adjust.
3927
3928 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3929
3930         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3931         (cortex_a9_dp): Handle neon types correctly.
3932
3933 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3934
3935         PR rtl-optimization/47299
3936         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3937         subtarget.  Use normal multiplication if both operands are constants.
3938         * expmed.c (expand_widening_mult): Don't try to optimize constant
3939         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3940         before using it.
3941
3942 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3943
3944         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3945         spacing after 'e.g.', typos, comma, hyphenation.
3946
3947 2011-01-17  Richard Henderson  <rth@redhat.com>
3948
3949         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3950         (rx_restricted_mem_operand): New.
3951         (rx_shift_operand): Use register_operand.
3952         (rx_source_operand, rx_compare_operand): Likewise.
3953         * config/rx/rx.md (addsi3_flags): New expander.
3954         (adddi3): Rewrite as expander.
3955         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3956         (subsi3_flags): New expander.
3957         (subdi3): Rewrite as expander.
3958         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3959
3960         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3961         (rx_init_builtins): Remove sat builtin.
3962         (rx_expand_builtin): Likewise.
3963         * config/rx/rx.md (ssaddsi3): New.
3964         (*sat): Rename from sat.  Represent the CC_REG input.
3965
3966         * config/rx/predicates.md (rshift_operator): New.
3967         * config/rx/rx.c (rx_expand_insv): Remove.
3968         * config/rx/rx-protos.h: Update.
3969         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3970         operand to the canonical position.
3971         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3972         (*bitclr, *bitclr_in_memory): Similarly.
3973         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3974         (insv): Retain the zero_extract in the expansion.
3975
3976         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3977         (bswaphi2, bitinvert, revw): Likewise.
3978
3979         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3980         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3981         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3982         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3983         (bitset, bitset_in_memory): Likewise.
3984         (bitinvert, bitinvert_in_memory): Likewise.
3985         (bitclr, bitclr_in_memory): Likewise.
3986         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3987         (rx_strend, rx_cmpstrn): Likewise.
3988         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3989         (bitop peep2 patterns): Remove.
3990
3991         * config/rx/rx.c (rx_match_ccmode): New.
3992         * config/rx/rx-protos.h: Update.
3993         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3994         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3995         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3996         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3997         (fix_truncsfsi2, floatsisf2): Likewise.
3998         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3999         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
4000         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
4001         (*subsi3_flags, *xorsi3_flags): New.
4002
4003         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
4004
4005         * config/rx/rx.c (rx_print_operand): Remove workaround for
4006         unsplit comparison operations.
4007
4008         * config/rx/rx.md (movsicc): Split after reload.
4009         (*movsicc): Merge *movsieq and *movsine via match_operator.
4010         (*stcc): New pattern.
4011
4012         * config/rx/rx.c (rx_float_compare_mode): Remove.
4013         * config/rx/rx.h (rx_float_compare_mode): Remove.
4014         * config/rx/rx.md (cstoresi4): Split after reload.
4015         (*sccc): New pattern.
4016
4017         * config/rx/predicates.md (label_ref_operand): New.
4018         (rx_z_comparison_operator): New.
4019         (rx_zs_comparison_operator): New.
4020         (rx_fp_comparison_operator): New.
4021         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
4022         Validate that the flags are set properly for the comparison.
4023         (rx_gen_cond_branch_template): Remove.
4024         (rx_cc_modes_compatible): Remove.
4025         (mode_from_flags): New.
4026         (flags_from_code): Rename from flags_needed_for_conditional.
4027         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
4028         (rx_select_cc_mode): Likewise.
4029         (rx_split_fp_compare): New.
4030         (rx_split_cbranch): New.
4031         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
4032         (*cbranchsi4): Use match_operator and rx_split_cbranch.
4033         (*cbranchsf4): Similarly.
4034         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
4035         match_operator and rx_split_cbranch.
4036         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
4037         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
4038         (*cmpsi): Rename from cmpsi.
4039         (*tstsi): Rename from tstsi.
4040         (*cmpsf): Rename from cmpsf; use CC_Fmode.
4041         (*conditional_branch): Rename from conditional_branch.
4042         (*reveresed_conditional_branch): Remove.
4043         (b<code>): Remove expander.
4044         * config/rx/rx-protos.h: Update.
4045
4046         * config/rx/rx.c (rx_compare_redundant): Remove.
4047         * config/rx/rx.md (cmpsi): Don't use it.
4048         * config/rx/rx-protos.h: Update.
4049
4050         * config/rx/rx-modes.def (CC_F): New mode.
4051         * config/rx/rx.c (rx_select_cc_mode): New.
4052         * config/rx/rx.h (SELECT_CC_MODE): Use it.
4053         * config/rx/rx-protos.h: Update.
4054
4055 2011-01-17  Richard Henderson  <rth@redhat.com>
4056
4057         * except.c (dump_eh_tree): Fix stray ; after for statement.
4058
4059 2011-01-17  Richard Guenther  <rguenther@suse.de>
4060
4061         PR tree-optimization/47313
4062         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
4063         handling before copying the body.  Properly deal with
4064         by-reference result in SSA form.
4065
4066 2011-01-17  Ian Lance Taylor  <iant@google.com>
4067
4068         PR target/47219
4069         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
4070         (struct_value_alias_set): Don't define.
4071         (sparc_option_override): Don't set sparc_sr_alias_set and
4072         struct_value_alias_set.
4073         (save_or_restore_regs): Use gen_frame_mem rather than calling
4074         set_mem_alias_set.
4075         (sparc_struct_value_rtx): Likewise.
4076
4077 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4078
4079         PR target/47318
4080         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
4081         __m128i.
4082         (_mm_maskstore_pd): Likewise.
4083         (_mm_maskload_ps): Likewise.
4084         (_mm_maskstore_ps): Likewise.
4085         (_mm256_maskload_pd): Change mask to __m256i.
4086         (_mm256_maskstore_pd): Likewise.
4087         (_mm256_maskload_ps): Likewise.
4088         (_mm256_maskstore_ps): Likewise.
4089
4090         * config/i386/i386-builtin-types.def: Updated.
4091         (ix86_expand_special_args_builtin): Likewise.
4092
4093         * config/i386/i386.c (bdesc_special_args): Update
4094         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
4095         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
4096         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
4097         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
4098
4099         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
4100         Use <avxpermvecmode> on mask register.
4101         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
4102
4103 2011-01-17  Olivier Hainque  <hainque@adacore.com>
4104             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
4105             Eric Botcazou  <ebotcazou@adacore.com>
4106
4107         PR target/46655
4108         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
4109         if <= USHRT_MAX in 32-bit mode.
4110
4111 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4112
4113         * doc/install.texi (Configuration, Specific): Wrap long
4114         lines in examples.  Allow line wrapping in long options
4115         and URLs where beneficial for PDF output.
4116
4117 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
4118
4119         * config/mips/mips.c (mips_classify_symbol): Don't return
4120         SYMBOL_PC_RELATIVE for nonlocal labels.
4121
4122 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
4123
4124         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
4125
4126 2011-01-15  Jan Hubicka  <jh@suse.cz>
4127
4128         PR tree-optimization/47276
4129         * ipa.c (function_and_variable_visibility): Do not try to mark alias
4130         declarations as needed.
4131
4132 2011-01-15  Martin Jambor  <mjambor@suse.cz>
4133
4134         * common.opt (fdevirtualize): New flag.
4135         * doc/invoke.texi (Option Summary): Document it.
4136         * opts.c (default_options_table): Add devirtualize flag.
4137         * ipa-prop.c (detect_type_change): Return immediately if
4138         devirtualize flag is not set.
4139         (detect_type_change_ssa): Likewise.
4140         (compute_known_type_jump_func): Likewise.
4141         (ipa_analyze_virtual_call_uses): Likewise.
4142
4143 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4144
4145         PR tree-optimization/45934
4146         PR tree-optimization/46302
4147         * ipa-prop.c (type_change_info): New type.
4148         (stmt_may_be_vtbl_ptr_store): New function.
4149         (check_stmt_for_type_change): Likewise.
4150         (detect_type_change): Likewise.
4151         (detect_type_change_ssa): Likewise.
4152         (compute_complex_assign_jump_func): Check for dynamic type change.
4153         (compute_complex_ancestor_jump_func): Likewise.
4154         (compute_known_type_jump_func): Likewise.
4155         (compute_scalar_jump_functions): Likewise.
4156         (ipa_analyze_virtual_call_uses): Likewise.
4157         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
4158
4159 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4160
4161         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
4162         * config/i386/i386.opt (msse5): New Alias.
4163
4164 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4165
4166         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
4167         * config/sparc/linux64.h (CC1_SPEC): Likewise.
4168         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
4169         * config/sparc/sparc.h (CC1_SPEC): Likewise.
4170
4171 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4172
4173         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
4174         -mcpu options.
4175         * config/sparc/linux64.h (CC1_SPEC): Likewise.
4176         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
4177         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
4178         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
4179         Likewise.
4180         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
4181
4182 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4183
4184         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
4185
4186 2011-01-14  Mike Stump  <mikestump@comcast.net>
4187
4188         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
4189         * config/fr30/fr30.md: Likweise
4190         (movsi_push): Likewise.
4191         (movsi_pop): Likewise.
4192         (enter_func): Likewise.
4193         * config/moxie/moxie.md (movsi_push): Likewise.
4194         (movsi_pop): Likewise.
4195
4196 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4197
4198         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
4199         %{no_archive} %{exact_version}.
4200         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
4201         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
4202         %{no_archive} %{exact_version}.
4203         * config/mips/openbsd.h (LINK_SPEC): Likewise.
4204         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
4205         * config/mips/vxworks.h: Likewise.
4206
4207 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4208
4209         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
4210
4211 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4212
4213         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
4214         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
4215
4216 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4217
4218         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
4219         -nodefaultlib.
4220
4221 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4222
4223         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
4224         for mcpu not cpu.
4225         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
4226         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
4227         not cpu.
4228         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
4229         Don't handle -shlib.
4230
4231 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4232
4233         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
4234         (CC1_SPEC): Don't handle -profile.
4235
4236 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4237
4238         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
4239         * config/mips/mips.h (CC1_SPEC): Likewise.
4240
4241 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4242
4243         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
4244         * config/mips/mips.h (CC1_SPEC): Likewise.
4245
4246 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4247
4248         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
4249         * config/m32r/linux.h (LINK_SPEC): Likewise.
4250         * config/mips/linux.h (LINK_SPEC): Likewise.
4251         * config/mips/linux64.h (LINK_SPEC): Likewise.
4252         * config/sparc/linux.h (LINK_SPEC): Likewise.
4253         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4254         LINK_SPEC): Likewise.
4255         * config/xtensa/linux.h (LINK_SPEC): Likewise.
4256
4257 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4258
4259         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
4260         %{version:-v}.
4261         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
4262
4263 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4264
4265         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
4266         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
4267
4268 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4269
4270         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
4271
4272 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4273
4274         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
4275         supports -Bstatic/-Bdynamic.
4276         * configure: Regenerate.
4277
4278 2011-01-14  Jan Hubicka  <jh@suse.cz>
4279             Jack Howarth  <howarth@bromo.med.uc.edu>
4280
4281         PR target/46037
4282         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
4283         when checking debug_info_level. Test write_symbols instead of
4284         debug_hooks->var_location when setting flag_var_tracking_uninit.
4285
4286 2011-01-14  Richard Guenther  <rguenther@suse.de>
4287
4288         PR tree-optimization/47179
4289         * target.def (ref_may_alias_errno): New target hook.
4290         * targhooks.h (default_ref_may_alias_errno): Declare.
4291         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
4292         (default_ref_may_alias_errno): New function.
4293         * target.h (struct ao_ref_s): Declare.
4294         * tree-ssa-alias.c: Include target.h.
4295         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
4296         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
4297         (targhooks.o): Likewise.
4298         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
4299         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
4300
4301 2011-01-14  Richard Guenther  <rguenther@suse.de>
4302
4303         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
4304
4305 2011-01-14  Richard Guenther  <rguenther@suse.de>
4306
4307         PR tree-optimization/47280
4308         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
4309         return CFG changes.
4310         (tree_ssa_forward_propagate_single_use_vars): Deal with
4311         CFG changes from associate_plusminus.
4312
4313 2011-01-14  Richard Guenther  <rguenther@suse.de>
4314
4315         PR middle-end/47281
4316         Revert
4317         2011-01-11  Richard Guenther  <rguenther@suse.de>
4318
4319         PR tree-optimization/46076
4320         * tree-ssa.c (useless_type_conversion_p): Conversions from
4321         unprototyped to empty argument list function types are useless.
4322
4323 2011-01-14  Richard Guenther  <rguenther@suse.de>
4324
4325         PR tree-optimization/47286
4326         * tree-ssa-structalias.c (new_var_info): Register variables are global.
4327
4328 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4329
4330         PR middle-end/46823
4331         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
4332
4333 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
4334
4335         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
4336         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
4337         * config/xtensa/xtensa.c (xtensa_libcall_value,
4338         xtensa_function_value_regno_p): New functions.
4339         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
4340
4341 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
4342
4343         PR c++/47213
4344         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
4345         PE specific hook.
4346         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
4347         New function prototype.
4348         * config/i386/winnt.c (i386_pe_assemble_visibility):
4349         Warn only if attribute was specified by user.
4350
4351 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
4352
4353         PR target/47251
4354         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
4355         floating point.
4356         (floatunsdidf2_fcfidu): Ditto.
4357
4358 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4359
4360         * config/s390/s390.c (print_operand_address): Replace 'error' with
4361         'output_operand_lossage'.
4362         (print_operand): Likewise.
4363
4364 2011-01-13  Jeff Law  <law@redhat.com>
4365
4366         PR rtl-optimization/39077
4367         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
4368         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
4369         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
4370         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
4371         * gcse.c (prune_insertions_deletions): New function.
4372         (compute_pre_data): Use it.
4373
4374 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
4375
4376         PR debug/PR46973
4377         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
4378         static function.
4379         (prune_unused_types_mark): Use it.
4380
4381 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
4382
4383         PR rtl-optimization/45352
4384         * sel-sched.c: Update copyright years.
4385         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
4386         in the advancing loop when we have issued issue_rate insns.
4387
4388 2011-01-12  Richard Henderson  <rth@redhat.com>
4389
4390         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
4391         (TARGET_MD_ASM_CLOBBERS): New.
4392
4393         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
4394         (TARGET_DELEGITIMIZE_ADDRESS): New.
4395
4396         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
4397         (clzsi2, *bsch): New patterns.
4398
4399         * config/mn10300/mn10300.md (INT): New mode iterator.
4400         (*mov<INT>_clr): New pattern, and peep2 to generate it.
4401
4402         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
4403         flag_split_wide_types.
4404
4405         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
4406         (mn10300_trampoline_init): Rewrite without a template, an immediate
4407         load and a direct branch.
4408         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
4409
4410 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
4411
4412         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4413         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
4414         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
4415         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4416
4417 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
4418
4419         PR debug/47209
4420         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
4421         of type.
4422
4423 2011-01-12  Jan Hubicka  <jh@suse.cz>
4424
4425         PR driver/47244
4426         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
4427         (PLUGIN_COND_CLOSE): New macro.
4428         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
4429
4430 2011-01-12  Richard Guenther  <rguenther@suse.de>
4431
4432         PR lto/47259
4433         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
4434         register variables in a MEM_REF.
4435
4436 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
4437
4438         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
4439         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
4440         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
4441         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
4442         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
4443         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
4444         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
4445         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
4446         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
4447         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
4448         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
4449         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
4450         * config/gnu-user.h: New.  Copied from linux.h.
4451         (LINUX_TARGET_STARTFILE_SPEC): Rename to
4452         GNU_USER_TARGET_STARTFILE_SPEC.
4453         (LINUX_TARGET_ENDFILE_SPEC): Rename to
4454         GNU_USER_TARGET_ENDFILE_SPEC.
4455         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
4456         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
4457         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
4458         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
4459         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4460         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4461         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
4462         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
4463         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
4464         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
4465         * config/arm/linux-eabi.h (CC1_SPEC): Use
4466         GNU_USER_TARGET_CC1_SPEC.
4467         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
4468         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
4469         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
4470         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
4471         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
4472         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
4473         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
4474         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
4475
4476 2011-01-12  Richard Guenther  <rguenther@suse.de>
4477
4478         PR other/46946
4479         * doc/invoke.texi (ffast-math): Document it is turned on
4480         with -Ofast.
4481
4482 2011-01-12  Jan Hubicka  <jh@suse.cz>
4483
4484         PR tree-optimization/47233
4485         * opts.c (common_handle_option): Disable ipa-reference with profile
4486         feedback.
4487
4488 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4489
4490         * c-parser.c (c_parser_objc_at_property_declaration): Improved
4491         error message.
4492
4493 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4494
4495         * c-parser.c (c_lex_one_token): Updated and reindented some
4496         comments.  No changes in code.
4497
4498 2011-01-11  Ian Lance Taylor  <iant@google.com>
4499
4500         * godump.c (go_output_var): Don't output the variable if there is
4501         already a type with the same name.
4502
4503 2011-01-11  Ian Lance Taylor  <iant@google.com>
4504
4505         * godump.c (go_format_type): Don't generate float80.
4506
4507 2011-01-11  Richard Henderson  <rth@redhat.com>
4508
4509         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
4510         declaration.  Rewrite for both speed and size.
4511         (mn10300_address_cost_1): Remove.
4512         (mn10300_register_move_cost): New.
4513         (mn10300_memory_move_cost): New.
4514         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
4515         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
4516         extensions, shifts, BSWAP, CLZ.
4517         (mn10300_wide_const_load_uses_clr): Remove.
4518         (TARGET_REGISTER_MOVE_COST): New.
4519         (TARGET_MEMORY_MOVE_COST): New.
4520         * config/mn10300/mn10300-protos.h: Update.
4521         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
4522
4523         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
4524         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
4525         * config/mn10300/mn10300-protos.h: Update.
4526         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
4527         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
4528         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
4529         (*test_int_bitfield, *test_byte_bitfield): Remove.
4530         (*bit_test, *subreg_bit_test): Remove.
4531         * config/mn10300/predicates.md (const_8bit_operand): Remove.
4532
4533         * config/mn10300/constraints.md ("c"): Rename from "A".
4534         ("A", "D"): New constraint letters.
4535         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
4536         (fmssf4, fnmasf4, fnmssf4): Likewise.
4537
4538         * config/mn10300/mn10300.md (isa): New attribute.
4539         (enabled): New attribute.
4540
4541         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
4542         (abssf2, negsf2): Define only for hardware fp.
4543         (sqrtsf2): Reformat.
4544         (addsf3, subsf3, mulsf3): Merge expander and insn.
4545
4546         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
4547         (DEBUGGER_AUTO_OFFSET): Remove.
4548         (DEBUGGER_ARG_OFFSET): Remove.
4549
4550         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
4551         Emit register stores with the same offsets as the hardware.
4552         (mn10300_store_multiple_operation): Don't check that the register
4553         save offsets are monotonic.
4554         * config/mn10300/mn10300-protos.h: Update.
4555
4556         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
4557
4558         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
4559         in terms of the value on the stack, not the MDR register.
4560
4561 2011-01-11  Jan Hubicka  <jh@suse.cz>
4562
4563         PR lto/45721
4564         PR lto/45375
4565         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
4566         (symbol_alias_set_destroy, symbol_alias_set_contains,
4567         propagate_aliases_backward): Declare.
4568         * lto-streamer-out.c (struct sets): New sturcture.
4569         (trivally_defined_alias): New function.
4570         (output_alias_pair_p): Rewrite.
4571         (output_unreferenced_globals): Fix output of alias pairs.
4572         (produce_symtab): Likewise.
4573         * ipa.c (function_and_variable_visibility): Set weak alias destination
4574         as needed in lto.
4575         * varasm.c (symbol_alias_set_t): Remove.
4576         (symbol_alias_set_destroy): Export.
4577         (propagate_aliases_forward, propagate_aliases_backward): New functions
4578         based on ...
4579         (compute_visible_aliases): ... this one; remove.
4580         (trivially_visible_alias): New
4581         (trivially_defined_alias): New.
4582         (remove_unreachable_alias_pairs): Rewrite.
4583         (finish_aliases_1): Reorganize code checking if alias is defined.
4584         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
4585         in LTO mode.
4586
4587 2011-01-11  Richard Guenther  <rguenther@suse.de>
4588
4589         PR tree-optimization/46076
4590         * tree-ssa.c (useless_type_conversion_p): Conversions from
4591         unprototyped to empty argument list function types are useless.
4592
4593 2011-01-11  Richard Guenther  <rguenther@suse.de>
4594
4595         PR middle-end/45235
4596         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
4597         volatile MEMs as MEM_READONLY_P.
4598
4599 2011-01-11  Richard Guenther  <rguenther@suse.de>
4600
4601         PR tree-optimization/47239
4602         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
4603
4604 2011-01-11  Jeff Law  <law@redhat.com>
4605
4606         PR tree-optimization/47086
4607         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
4608         IVs from statements that might throw.
4609
4610 2011-01-10  Jan Hubicka  <jh@suse.cz>
4611
4612         PR lto/45375
4613         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
4614
4615 2011-01-10  Jan Hubicka  <jh@suse.cz>
4616
4617         PR lto/45375
4618         * profile.c (read_profile_edge_counts): Ignore profile inconistency
4619         when correcting profile.
4620
4621 2011-01-10  Jan Hubicka  <jh@suse.cz>
4622
4623         PR lto/46083
4624         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
4625         DECL_FINI_PRIORITY.
4626         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
4627         Restore DECL_FINI_PRIORITY.
4628
4629 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4630
4631         * doc/gimple.texi: Fix quoting of multi-word return values in
4632         @deftypefn statements.  Ensure presence of return value.  Wrap
4633         overlong @deftypefn lines.
4634         (is_gimple_operand, is_gimple_min_invariant_address): Remove
4635         descriptions of removed functions.
4636         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
4637         of multi-word return value in @deftypefn statement.
4638
4639 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4640
4641         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
4642         (Conditional Expressions, Logical Operators)
4643         (Statement and operand traversals): Do not indent smallexample
4644         code.  Fix duplicate function argument in example.
4645
4646 2011-01-10  Jeff Law  <law@redhat.com>
4647
4648         PR tree-optimization/47141
4649         * ipa-split.c (split_function): Handle case where we are
4650         returning a value and the return block has a virtual operand phi.
4651
4652 2011-01-10  Jan Hubicka  <jh@suse.cz>
4653
4654         PR tree-optimization/47234
4655         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
4656         (pass_feedback_split_functions): Declare.
4657         * passes.c (init_optimization_passes): Add ipa-split as subpass of
4658         tree-profile.
4659         * ipa-split.c (gate_split_functions): Update comments; disable
4660         split-functions for profile_arc_flag and branch_probabilities.
4661         (gate_feedback_split_functions): New function.
4662         (execute_feedback_split_functions): New function.
4663         (pass_feedback_split_functions): New global var.
4664
4665 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
4666
4667         PR lto/46760
4668         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
4669         calling gimple_call_set_cannot_inline.
4670
4671 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
4672
4673         * config/darwin-sections.def: Remove unused section.
4674
4675 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
4676
4677         PR c++/47218
4678         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
4679
4680 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
4681
4682         PR objc/47232
4683         * c-parser.c (c_parser_declaration_or_fndef): Improved
4684         error message.
4685
4686 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
4687
4688         * config/i386/winnt.c (i386_pe_start_function): Make sure
4689         to switch back to function's section.
4690
4691 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
4692
4693         PR gcc/46902
4694         PR testsuite/46912
4695         * plugin.c: Move include of dlfcn.h from here...
4696         * system.h: ... to here.
4697
4698 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4699
4700         * doc/cpp.texi (C++ Named Operators): Fix markup for header
4701         file name.
4702         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
4703         two extra empty pages in PDF output.
4704
4705 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
4706
4707         PR objc/47078
4708         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
4709         for error recovery purposes behave as if it was not specified so
4710         that the default type is usd.
4711
4712 2011-01-07  Jan Hubicka  <jh@suse.cz>
4713
4714         PR tree-optmization/46469
4715         * ipa.c (function_and_variable_visibility): Clear needed flags on
4716         nodes with external decls; handle weakrefs merging correctly.
4717
4718 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
4719
4720         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
4721         not false.
4722
4723 2011-01-07  Jan Hubicka  <jh@suse.cz>
4724
4725         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
4726         and no longer claim that gold is required for linker plugin.
4727         * configure: Regenerate.
4728         * gcc.c (PLUGIN_COND): New macro.
4729         (LINK_COMMAND_SPEC): Use it.
4730         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
4731         * config.in (HAVE_LTO_PLUGIN): New.
4732         * configure.ac (--with-lto-plugin): New parameter; autodetect
4733         HAVE_LTO_PLUGIN.
4734
4735 2011-01-07  Jan Hubicka  <jh@suse.cz>
4736
4737         PR tree-optimization/46367
4738         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
4739         when we can update original.
4740         (cgraph_mark_inline_edge): Sanity check.
4741         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
4742
4743 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4744
4745         * config/spu/spu.h (ASM_COMMENT_START): Define.
4746
4747 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4748
4749         PR driver/42445
4750         * gcc.c (%>S): New.
4751         (SWITCH_KEEP_FOR_GCC): Likewise.
4752         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
4753         (do_spec_1): Handle "%>".
4754
4755         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
4756
4757 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
4758
4759         PR target/47201
4760         * config/i386/i386.c (ix86_delegitimize_address): If
4761         simplify_gen_subreg fails, return orig_x.
4762
4763         PR bootstrap/47187
4764         * value-prof.c (gimple_stringop_fixed_value): Handle
4765         lhs of the call properly.
4766
4767 2011-01-07  Jan Hubicka  <jh@suse.cz>
4768
4769         PR lto/45375
4770         * lto-opt.c (lto_reissue_options): Set flag_shlib.
4771
4772 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4773
4774         * target.def (function_switched_text_sections): New hook.
4775         * doc/tm.texi: Regenerated.
4776         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4777         * final.c (default_function_switched_text_sections): New.
4778         (final_scan_insn): Call function_switched_text_sections when a
4779         mid-function section change occurs.
4780         * output.h (default_function_switched_text_sections): Declare.
4781         * config/darwin-protos.h (darwin_function_switched_text_sections):
4782         Likewise.
4783         * config/darwin.c (darwin_function_switched_text_sections): New.
4784         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4785
4786 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4787
4788         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
4789         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
4790         the secondary code fragment when outputting for DWARF == 2.
4791
4792 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
4793
4794         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4795         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
4796         Remove.
4797         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
4798         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4799
4800 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
4801
4802         PR debug/46704
4803         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
4804         when it is not empty.
4805
4806 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
4807
4808         Bobcat Enablement
4809         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
4810         (case ${target}): Add btver1.
4811         * config/i386/driver-i386.c (host_detect_local_cpu): Let
4812         -march=native recognize btver1 processors.
4813         * config/i386/i386-c.c (ix86_target_macros_internal): Add
4814         btver1 def_and_undef
4815         * config/i386/i386.c (struct processor_costs btver1_cost): New
4816         btver1 cost table.
4817         (m_BTVER1): New definition.
4818         (m_AMD_MULTIPLE): Includes m_BTVER1.
4819         (initial_ix86_tune_features): Add btver1 tune.
4820         (processor_target_table): Add btver1 entry.
4821         (static const char *const cpu_names): Add btver1 entry.
4822         (software_prefetching_beneficial_p): Add btver1.
4823         (ix86_option_override_internal): Add btver1 instruction sets.
4824         (ix86_issue_rate): Add btver1.
4825         (ix86_adjust_cost): Add btver1.
4826         * config/i386/i386.h (TARGET_BTVER1): New definition.
4827         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
4828         (enum processor_type): Add PROCESSOR_BTVER1.
4829         * config/i386/i386.md (define_attr "cpu"): Add btver1.
4830
4831 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4832
4833         PR target/43309
4834         * config/i386/i386.c (legitimize_tls_address)
4835         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
4836         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
4837         (tls_initial_exec_64_sun): New pattern.
4838
4839 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4840
4841         * doc/invoke.texi (Overall Options): Improve wording and markup
4842         of the description of -wrapper.
4843
4844 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4845
4846         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
4847         rdynamic, threads): New Driver options.
4848
4849 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4850
4851         PR target/38118
4852         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
4853         if coming from .tdata.
4854         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4855
4856 2011-01-06  Jan Hubicka  <jh@suse.cz>
4857
4858         PR lto/47188
4859         * collect2.c (main): Do not enable LTOmode when plugin is active.
4860
4861 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4862
4863         PR other/45915
4864         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
4865         --version output if supported.
4866         * configure: Regenerate.
4867
4868 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4869
4870         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
4871         Driver options.
4872
4873 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
4874
4875         PR c/47150
4876         * c-convert.c (convert): When converting a complex expression
4877         other than COMPLEX_EXPR to a different complex type, ensure
4878         c_save_expr is called instead of save_expr, unless in_late_binary_op.
4879         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
4880         when converting COMPLEX_TYPE.
4881
4882 2011-01-06  Ira Rosen  <irar@il.ibm.com>
4883
4884         PR tree-optimization/47139
4885         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
4886         only the last reduction value is used outside the loop.  Update
4887         documentation.
4888
4889 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
4890
4891         * config/rtems.opt: New.
4892         * config.gcc (*-*-rtems*): Use rtems.opt.
4893
4894 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
4895
4896         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
4897         processors do not support 3DNow instructions.
4898
4899 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4900
4901         * config/spu/spu.c (spu_option_override): Set parameter
4902         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
4903
4904 2011-01-05  Jan Hubicka  <jh@suse.cz>
4905
4906         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
4907         at the command line.
4908
4909 2011-01-05  Martin Jambor  <mjambor@suse.cz>
4910
4911         PR lto/47162
4912         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
4913         deltas on streamed outgoing edges.
4914         (output_node_opt_summary): Output info for outgoing edges only when
4915         the node is in new parameter set.
4916         (output_cgraph_opt_summary): New parameter set, passed to the two
4917         aforementioned functions.  Update its forward declaration and its
4918         callee too.
4919
4920 2011-01-05  Tom Tromey  <tromey@redhat.com>
4921
4922         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
4923         operator to c_finish_omp_atomic.
4924         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
4925         (build_unary_op): Update.
4926         (build_modify_expr): Update.
4927         (build_asm_expr): Update.
4928
4929 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4930
4931         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
4932         newly inserted insns.
4933         (pad_bb): Likewise.
4934         (spu_emit_branch_hint): Likewise.
4935         (insert_hbrp_for_ilb_runout): Likewise.
4936         (spu_machine_dependent_reorg): Call df_finish_pass after
4937         schedule_insns returns.
4938
4939 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4940
4941         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
4942
4943 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4944
4945         PR tree-optimization/47005
4946         * tree-sra.c (struct access): Add 'non_addressable' bit.
4947         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
4948         (decide_one_param_reduction): Return 0 if the parameter is passed by
4949         reference and one of the accesses in the group is non_addressable.
4950
4951 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4952
4953         PR tree-optimization/47056
4954         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
4955         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
4956         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
4957
4958 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4959
4960         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
4961         initializer.  Skip view conversions from aggregate types.
4962
4963 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
4964
4965         PR bootstrap/47055
4966         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
4967
4968 2011-01-04  Philipp Thomas  <pth@suse.de>
4969
4970         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
4971         obvious typo.
4972
4973 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4974
4975         * function.c (thread_prologue_and_epilogue_insns): Do not crash
4976         on empty epilogue sequences.
4977
4978 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
4979
4980         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
4981         non-static): New Driver options.
4982
4983 2011-01-04  Jie Zhang  <jie@codesourcery.com>
4984
4985         PR driver/47137
4986         * gcc.c (default_compilers[]): Set combinable field to 0
4987         for all assembly languages.
4988
4989 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
4990
4991         * config/mips/loongson3a.md: New file.
4992         * config/mips/mips.md: Include loongson3a.md.
4993         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
4994         TUNE_LOONGSON_3A.
4995
4996 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
4997
4998         PR middle-end/47017
4999         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
5000         instead of convert_memory_address_addr_space on the base expression.
5001
5002 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5003
5004         * config/spu/spu.c (spu_option_override): Update error text
5005         for bad -march= / -mtune= values.
5006
5007 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5008
5009         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
5010         if branch-hint optimization will be performed.
5011
5012 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
5013
5014         PR tree-optimization/47148
5015         * ipa-split.c (split_function): Convert arguments to
5016         DECL_ARG_TYPE if possible.
5017
5018         PR tree-optimization/47155
5019         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
5020         when computing uns.
5021
5022         PR rtl-optimization/47157
5023         * combine.c (try_combine): If undobuf.other_insn becomes
5024         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
5025         and set *new_direct_jump_p too.
5026
5027 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5028
5029         PR tree-optimization/47021
5030         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
5031
5032 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
5033
5034         * gcc.c (process_command): Update copyright notice dates.
5035         * gcov.c (print_version): Likewise.
5036         * gcov-dump.c (print_version): Likewise.
5037         * mips-tfile.c (main): Likewise.
5038         * mips-tdump.c (main): Likewise.
5039
5040 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5041
5042         PR tree-optimization/46801
5043         * tree-sra.c (type_internals_preclude_sra_p): Check whether
5044         aggregate fields start at byte boundary instead of the bit-field flag.
5045
5046 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
5047
5048         PR driver/47137
5049         * gcc.c (main): Revert revision 168407.
5050
5051 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5052
5053         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
5054
5055 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5056
5057         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
5058         vector optab to expand vector/scalar shift, update gimple to vector.
5059
5060 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5061
5062         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
5063         a thunk.
5064
5065 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5066
5067         PR tree-optimization/46984
5068         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
5069         HOST_WIDE_INT.
5070         (cgraph_create_indirect_edge): Fixed line length.
5071         (cgraph_indirect_call_info): Declare.
5072         (cgraph_make_edge_direct) Update declaration.
5073         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
5074         (cgraph_create_indirect_edge): Use it.
5075         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
5076         callees.
5077         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
5078         the new thunk_delta representation.
5079         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
5080         HOST_WIDE_INT.
5081         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
5082         (ipa_read_indirect_edge_info): Likewise.
5083         * lto-cgraph.c (output_edge_opt_summary): New function.
5084         (output_node_opt_summary): Call it on all outgoing edges.
5085         (input_edge_opt_summary): New function.
5086         (input_node_opt_summary): Call it on all outgoing edges.
5087
5088 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
5089
5090         PR driver/47137
5091         * gcc.c (main): Don't check have_o when settting combine_inputs.
5092
5093 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
5094
5095         * regrename.c: Add general comment describing the pass.
5096         (struct du_head): Remove 'length' field.
5097         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
5098         (regrename_optimize): Do not sort chains.  Rework comments, add others.
5099         Force renaming to the preferred class (if any) in the first pass and do
5100         not consider registers that belong to it in the second pass.
5101         (create_new_chain): Do not set 'length' field.
5102         (scan_rtx_reg): Likewise.
5103
5104 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
5105
5106         PR tree-optimization/47140
5107         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
5108         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
5109         to bit_value_binop.
5110
5111         PR rtl-optimization/47028
5112         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
5113         parm_birth_insn instead of at the beginning of first bb.
5114
5115 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
5116
5117         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
5118         Remove the word "see" before "@pxref".
5119         * doc/rtl.texi: Remove the word "see" before "@pxref".
5120
5121 2011-01-01  Jan Hubicka  <jh@suse.cz>
5122
5123         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
5124         memory.
5125
5126 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
5127
5128         PR target/38662
5129         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
5130
5131 \f
5132 Copyright (C) 2011 Free Software Foundation, Inc.
5133
5134 Copying and distribution of this file, with or without modification,
5135 are permitted in any medium without royalty provided the copyright
5136 notice and this notice are preserved.