gcc/ChangeLog

   1 2011-01-25  Nick Clifton  <nickc@redhat.com>
   2
   3         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
   4         * config/rx/rx.c (rx_function_value): Likewise.
   5         (rx_promote_function_mode): Likewise.
   6         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
   7         in order to make it legitimate.
   8         * config/rx/rx.md (adddi3_internal): If the second operand is a
   9         MEM make sure that the first operand is the same as the result
  10         register.
  11         (addsi3_unspec): Delete.
  12         (subdi3): Do not accept immediate operands.
  13         (subdi3_internal): Likewise.
  14
  15 2011-01-25  Jeff Law  <law@redhat.com>
  16
  17         PR rtl-optimization/37273
  18         * ira-costs.c (scan_one_insn): Detect constants living in memory and
  19         handle them like argument loads from stack slots.  Do not double
  20         count memory for memory constants and argument loads from stack slots.
  21
  22 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
  23
  24         PR tree-optimization/47427
  25         PR tree-optimization/47428
  26         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
  27         coalesce if the new root var would be TREE_READONLY.
  28
  29 2011-01-25  Richard Guenther  <rguenther@suse.de>
  30
  31         PR middle-end/47414
  32         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
  33         correct type for TBAA.
  34
  35 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  36
  37         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
  38         (close_phi_written_to_memory): Call for_each_index with
  39         dr_indices_valid_in_loop.
  40
  41 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  42
  43         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
  44         when it is initialized.
  45
  46 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  47
  48         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
  49         call to graphite_find_data_references_in_stmt.
  50         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
  51         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
  52         call to graphite_find_data_references_in_stmt.
  53         (analyze_drs_in_stmts): Same.
  54         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
  55         in which the scalar analysis of indices is performed.
  56         (create_data_ref): Same.  Update call to dr_analyze_indices.
  57         (find_data_references_in_stmt): Update call to create_data_ref.
  58         (graphite_find_data_references_in_stmt): Same.
  59         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
  60         declaration.
  61         (create_data_ref): Same.
  62         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
  63         call to create_data_ref.
  64
  65 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  66
  67         * graphite-sese-to-poly.c (build_poly_scop): Move
  68         rewrite_commutative_reductions_out_of_ssa before
  69         find_scop_parameters.
  70
  71 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  72
  73         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
  74         VAR_DECL, PARM_DECL, and RESULT_DECL.
  75
  76 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  77
  78         * graphite-dependences.c (reduction_dr_1): Allow several reductions
  79         in a reduction PBB.
  80         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
  81         that have already been marked as PBB_IS_REDUCTION.
  82
  83 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  84
  85         * graphite-scop-detection.c (same_close_phi_node): New.
  86         (remove_duplicate_close_phi): New.
  87         (make_close_phi_nodes_unique): New.
  88         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
  89
  90 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
  93         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
  94         of both data references to be the same.
  95
  96 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
  97
  98         * graphite-dependences.c (build_lexicographical_constraint): Remove the
  99         gdim parameter.
 100         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
 101         (dependence_polyhedron): Same.
 102         (graphite_legal_transform_dr): Same.
 103         (graphite_carried_dependence_level_k): Same.
 104         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
 105         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
 106
 107 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         * graphite-sese-to-poly.c
 110         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
 111         (close_phi_written_to_memory): New.
 112         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
 113         and unshare_expr.
 114
 115 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 116
 117         * doc/install.texi: Update the expected version number of PPL to 0.11.
 118         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
 119         #if PPL_VERSION_MINOR < 11.
 120
 121 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 122
 123         * graphite-dependences.c: Include graphite-cloog-util.h.
 124         (new_poly_ddr): Inlined into dependence_polyhedron.
 125         (free_poly_ddr): Moved close by new_poly_ddr.
 126         (dependence_polyhedron_1): Renamed dependence_polyhedron.
 127         Early return NULL when ppl_powerset_is_empty returns true.
 128         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
 129         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
 130         (graphite_legal_transform_dr): Call new_poly_ddr.
 131         (graphite_carried_dependence_level_k): Same.
 132         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
 133         (dot_transformed_deps_stmt_1): Removed.
 134         (dot_deps_stmt_1): Call dot_deps_stmt_2.
 135         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
 136         (dot_deps_1): Call dot_deps_2.
 137         * Makefile.in (graphite-dependences.o): Add missing dependence on
 138         graphite-cloog-util.h.
 139
 140 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 141
 142         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
 143         (build_lexicographical_constraint): Same.
 144         (dependence_polyhedron_1): Same.
 145         (graphite_legal_transform_dr): Same.
 146         (graphite_carried_dependence_level_k): Same.
 147         * graphite-ppl.c (ppl_powerset_is_empty): New.
 148         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
 149         * tree-data-ref.c (dump_data_reference): Print the basic block index.
 150
 151 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 152
 153         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
 154         the "a followed by b" relation and document it.
 155
 156 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 157
 158         * graphite-dependences.c (build_lexicographical_constraint): Stop the
 159         iteration when the bag of constraints is empty.
 160
 161 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 162
 163         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
 164
 165 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
 168         nest and two loop depths as parameters.
 169         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
 170         lst_perfect_nestify.
 171
 172 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 173
 174         * graphite-dependences.c (print_pddr): Call
 175         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
 176
 177 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         * graphite-ppl.c (debug_gmp_value): New.
 180         * graphite-ppl.h (debug_gmp_value): Declared.
 181
 182 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
 183
 184         * doc/install.texi: Document availability of cloog-0.16.
 185
 186 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
 187
 188         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
 189         invalid postdominance info.
 190
 191 2011-01-24  Jan Hubicka  <jh@suse.cz>
 192
 193         PR c/21659
 194         * doc/extend.texi (weak pragma): Drop claim that it must
 195         appear before definition.
 196         * varasm.c (merge_weak, declare_weak): Only sanity check
 197         that DECL is not output at a time it is declared weak.
 198
 199 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
 200
 201         * machmode.def: Fixed comments.
 202
 203 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
 204
 205         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
 206
 207 2011-01-24  Paul Koning  <ni1d@arrl.net>
 208
 209         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
 210         WORDS_BIG_ENDIAN.
 211
 212 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
 213
 214         PR target/46519
 215         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
 216         (block_info): Add scanned and prev.
 217         (move_or_delete_vzeroupper_2): Return if the basic block
 218         has been scanned and the upper 128bit state is unchanged
 219         from the last scan.
 220         (move_or_delete_vzeroupper_1): Return true if the exit
 221         state is changed.
 222         (move_or_delete_vzeroupper): Visit basic blocks using the
 223         work-list based algorithm based on vt_find_locations in
 224         var-tracking.c.
 225
 226         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
 227
 228 2011-01-24  Nick Clifton  <nickc@redhat.com>
 229
 230         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
 231         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
 232         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
 233         then define __v850e1__.
 234         * doc/invoke.texi: Document -mv850es.
 235
 236 2011-01-24  Richard Henderson  <rth@redhat.com>
 237
 238         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
 239         compound unordered comparisons.
 240         * config/rx/rx.c (rx_split_fp_compare): Remove.
 241         * config/rx/rx-protos.h: Update.
 242         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
 243         (cbranchsf4): Don't call rx_split_fp_compare.
 244         (*cbranchsf4): Use rx_split_cbranch.
 245         (*cmpsf): Don't accept "i" constraint.
 246         (*conditional_branch): Only valid after reload.
 247         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
 248
 249 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 250
 251         PR target/47385
 252         * config/rs6000/altivec.md (vector constant splitters): Add
 253         support for creating vector single precision constants if -mvsx is
 254         used and we would create the constant using Altivec primitives.
 255
 256 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
 257             Richard Sandiford  <rdsandiford@googlemail.com>
 258
 259         PR rtl-optimization/47166
 260         * reload1.c (emit_reload_insns): Disable the spill_reg_store
 261         mechanism for PRE_MODIFY and POST_MODIFY.
 262         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
 263         reloadreg.
 264
 265 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
 266
 267         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
 268
 269 2011-01-22  Jan Hubicka  <jh@suse.cz>
 270
 271         PR lto/47333
 272         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
 273
 274 2011-01-22  Jan Hubicka  <jh@suse.cz>
 275
 276         PR tree-optimization/43884
 277         PR lto/44334
 278         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
 279         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
 280
 281 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
 282
 283         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
 284         * config/s390/s390.c (s390_register_move_cost,
 285         s390_memory_move_cost): New.
 286         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
 287
 288 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 289
 290         PR middle-end/47401
 291         * except.c (sjlj_assign_call_site_values): Move setting the
 292         crtl->uses_eh_lsda flag to ...
 293         (sjlj_mark_call_sites): ... here.
 294         (sjlj_emit_function_enter): Support NULL dispatch label.
 295         (sjlj_build_landing_pads): In a function with no landing pads
 296         that still has must-not-throw regions, generate code to register
 297         a personality function with empty LSDA.
 298
 299 2011-01-21  Richard Henderson  <rth@redhat.com>
 300
 301         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
 302
 303         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
 304
 305         * compare-elim.c: New file.
 306         * Makefile.in (OBJS-common): Add it.
 307         (compare-elim.o): New.
 308         * common.opt (fcompare-elim): New.
 309         * opts.c (default_options_table): Add OPT_fcompare_elim.
 310         * tree-pass.h (pass_compare_elim_after_reload): New.
 311         * passes.c (init_optimization_passes): Add it.
 312         * recog.h: Protect against re-inclusion.
 313         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
 314         * doc/invoke.texi (-fcompare-elim): Document it.
 315         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
 316         * doc/tm.texi: Rebuild.
 317
 318 2011-01-22  Nick Clifton  <nickc@redhat.com>
 319
 320         * config/rx/rx.md (cstoresf4): Pass comparison operator to
 321         rx_split_fp_compare.
 322
 323 2011-01-22  Nick Clifton  <nickc@redhat.com>
 324
 325         * config/rx/rx.md (UNSPEC_CONST): New.
 326         (deallocate_and_return): Wrap the amount popped off the stack in
 327         an UNSPEC_CONST in order to stop it being rejected by
 328         -mmax-constant-size.
 329         (pop_and_return): Add a "(return)" rtx.
 330         (call): Drop the immediate operand.
 331         (call_internal): Likewise.
 332         (call_value): Likewise.
 333         (call_value_internal): Likewise.
 334         (sibcall_internal): Likewise.
 335         (sibcall_value_internal): Likewise.
 336         (sibcall): Likewise.  Generate an explicit call using
 337         sibcall_internal.
 338         (sibcall_value): Likewise.
 339         (mov<>): FAIL if a constant operand is not legitimate.
 340         (addsi3_unpsec): New pattern.
 341
 342         * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
 343         CONSTs.
 344         (ok_for_max_constant): New function.
 345         (gen_safe_add): New function.
 346         (rx_expand_prologue): Use gen_safe_add.
 347         (rx_expand_epilogue): Likewise.
 348         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
 349         UNSPEC CONSTs.
 350
 351 2011-01-21  Jeff Law  <law@redhat.com>
 352
 353         PR tree-optimization/47053
 354         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
 355         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
 356         statements are deleted.
 357         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
 358         is nonempty, then purge dead edges and cleanup the CFG.
 359
 360 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
 361
 362         PR debug/47402
 363         Temporarily revert:
 364         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
 365         PR debug/47106
 366         * tree-dfa.c (create_var_ann): Mark variable as used.
 367
 368 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
 369
 370         PR middle-end/45566
 371         * except.c (convert_to_eh_region_ranges): Emit queued no-region
 372         notes from other section in hot/cold partitioning even if
 373         last_action is -3.  Increment call_site_base.
 374
 375         PR rtl-optimization/47366
 376         * fwprop.c (forward_propagate_into): Return bool.  If
 377         any changes are made, -fnon-call-exceptions is used and
 378         REG_EH_REGION note is present, call purge_dead_edges
 379         and return true if it purged anything.
 380         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
 381         any EH edges were purged.
 382
 383 2011-01-21  Jeff Law  <law@redhat.com>
 384
 385         PR rtl-optimization/41619
 386         * caller-save.c (setup_save_areas): Break out code to determine
 387         which hard regs are live across calls by examining the reload chains
 388         so that it is always used.
 389         Eliminate code which checked REG_N_CALLS_CROSSED.
 390
 391 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
 392
 393         PR tree-optimization/47355
 394         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
 395         NOP has non-debug uses beyond PHIs in new_bb.
 396
 397 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
 398
 399         PR debug/47106
 400         * cfgexpand.c (account_used_vars_for_block): Only account vars
 401         that are annotated as used.
 402         (estimated_stack_frame_size): Don't set TREE_USED.
 403         * tree-dfa.c (create_var_ann): Mark variable as used.
 404
 405 2011-01-21  Richard Guenther  <rguenther@suse.de>
 406
 407         PR middle-end/47395
 408         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
 409
 410 2011-01-21  Richard Guenther  <rguenther@suse.de>
 411
 412         PR tree-optimization/47365
 413         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
 414         (vn_reference_lookup_pieces): Adjust.
 415         (vn_reference_lookup): Likewise.
 416         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
 417         (vn_reference_lookup_3): Only look through kills if in
 418         VN_WALKREWRITE mode.
 419         (vn_reference_lookup_pieces): Adjust.
 420         (vn_reference_lookup): Likewise.
 421         (visit_reference_op_load): Likewise.
 422         (visit_reference_op_store): Likewise.
 423         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
 424         (compute_avail): Likewise.
 425         (eliminate): Likewise.
 426
 427 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
 428
 429         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
 430         DECL_IGNORED_P non-reg vars if they are used.
 431
 432         PR tree-optimization/47391
 433         * varpool.c (const_value_known_p): Return false if
 434         decl is volatile.
 435
 436 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
 437
 438         PR bootstrap/47215
 439         * config/i386/i386.c (ix86_local_alignment): Handle
 440         case for va_list_type_node is nil.
 441         (ix86_canonical_va_list_type): Likewise.
 442
 443 2011-01-21  Alan Modra  <amodra@gmail.com>
 444
 445         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
 446         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
 447
 448 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 449
 450         * config/arm/arm.md (define_attr type): Rename f_load
 451         and f_store to f_fpa_load and f_fpa_store. Update.
 452         (write_conflict): Deal with rename fallout.
 453         (*push_fp_multi): Likewise.
 454         * config/arm/fpa.md (f_load): Use f_fpa_load.
 455         (f_store): Use f_fpa_store.
 456         (*movsf_fpa): Likewise.
 457         (*movdf_fpa): Likewise.
 458         (*movxf_fpa): Likewise.
 459         (*thumb2_movsf_fpa): Likewise.
 460         (*thumb2_movdf_fpa): Likewise.
 461         (*thumb2_movxf_fpa): Likewise.
 462         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
 463         f_loadd and f_stored.
 464         (*thumb2_movdi_vfp): Likewise.
 465         (*thumb2_movsf_vfp): Fix attribute to f_loads.
 466         (*thumb2_movsi_vfp): Likewise.
 467         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
 468         Use f_loads instead of f_load.
 469         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
 470
 471 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
 472
 473         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
 474         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
 475         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
 476         (xtensa_mode_dependent_address_p): New function.
 477         (constantpool_address_p): Make static. Change return type to bool.
 478         Change argument type to const_rtx. Use CONST_INT_P predicate.
 479
 480 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
 481
 482         PR debug/46583
 483         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
 484
 485 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
 486
 487         PR debug/47283
 488         * cfgexpand.c (expand_debug_expr): Instead of generating
 489         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
 490         etc. handling.
 491
 492 2011-01-20  Richard Guenther  <rguenther@suse.de>
 493
 494         PR middle-end/47370
 495         * tree-inline.c (remap_gimple_op_r): Recurse manually for
 496         the pointer operand of MEM_REFs.
 497
 498 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
 499
 500         PR tree-optimization/46130
 501         * ipa-split.c (consider_split): If return_bb contains non-virtual
 502         PHIs other than for retval or if split_function would not adjust it,
 503         refuse to split.
 504
 505 2011-01-20  Richard Guenther  <rguenther@suse.de>
 506
 507         PR tree-optimization/47167
 508         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
 509         Revert previous change, only avoid enumeral type changes.
 510
 511 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
 512
 513         PR c++/47291
 514         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
 515         (gen_scheduled_generic_parms_dies): New functions.
 516         (gen_struct_or_union_type_die): Schedule template parameters DIEs
 517         generation for the end of CU compilation.
 518         (dwarf2out_finish): Generate template parameters DIEs here.
 519
 520 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
 521
 522         PR debug/46240
 523         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
 524         debug bind stmt on merge edges.
 525
 526 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
 527
 528         PR debug/47079
 529         PR debug/46724
 530         * function.c (instantiate_expr): Instantiate incoming rtl of
 531         implicit arguments, and recurse on VALUE_EXPRs.
 532         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
 533         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
 534
 535 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
 536
 537         * c-parser.c (c_parser_for_statement): Initialize
 538         collection_expression.
 539
 540 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
 541
 542         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
 543
 544 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
 545
 546         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
 547         (LINK_SHLIB_SPEC): Don't use %(link_path).
 548         (SUBTARGET_EXTRA_SPECS): Remove link_path.
 549
 550 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
 551
 552         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
 553         (NO_SHARED_LIB_SUPPORT): Remove.
 554         (LINK_SHLIB_SPEC): Remove one conditional definition.
 555
 556 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
 557
 558         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
 559         %{call_shared}.
 560         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
 561         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
 562         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
 563         %{call_shared} and conditionals on these options not being passed.
 564         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
 565         %{call_shared}.
 566
 567 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
 568
 569         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
 570         simplify.
 571
 572         * ipa-split.c: Spelling fixes.
 573
 574 2011-01-19  Richard Henderson  <rth@redhat.com>
 575
 576         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
 577         (*mulsi3): Likewise.
 578
 579         * longlong.h [__mn10300__] (count_leading_zeros): New.
 580         [__mn10300__] (umul_ppmm, smul_ppmm): New.
 581         [__mn10300__] (add_ssaaaa, subddmmss): New.
 582         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
 583         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
 584
 585 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 586
 587         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
 588
 589 2011-01-19  Richard Henderson  <rth@redhat.com>
 590
 591         * config/mn10300/mn10300.md (addsi3_flags): New.
 592         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
 593         (subsi3_flags, subc_internal, subdi3): New.
 594         (subdi3_internal, *subdi3_degenerate): New.
 595         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
 596
 597         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
 598         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
 599         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
 600         * config/mn10300/mn10300-protos.h: Update.
 601         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
 602         (return_ret): Likewise.  Rename from return_internal_regs.
 603         (return_internal): Remove.
 604
 605         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
 606         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
 607         (mn10300_legitimate_constant_p): Likewise.
 608         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
 609         (mn10300_frame_size): New.
 610         (mn10300_expand_prologue): Use it.
 611         (mn10300_expand_epilogue): Likewise.
 612         (mn10300_initial_offset): Likewise.
 613         * config/mn10300/mn10300-protos.h: Update.
 614         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
 615         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
 616         (prologue, epilogue, return_internal): Tidy output code.
 617         (mn10300_store_multiple_operation, return): Likewise.
 618         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
 619         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
 620         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
 621         (load_pic, am33_load_pic): New.
 622         (mn10300_load_pic0, mn10300_load_pic1): New.
 623
 624         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
 625         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
 626         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
 627         (cc_flags_for_mode, cc_flags_for_code): New.
 628         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
 629         overflow flag is not valid.  Validate that the flags we need
 630         for the comparison are valid.
 631         (mn10300_output_cmp): Remove.
 632         (mn10300_output_add): New.
 633         (mn10300_select_cc_mode): Use cc_flags_for_code.
 634         (mn10300_split_cbranch): New.
 635         (mn10300_match_ccmode): New.
 636         (mn10300_split_and_operand_count): New.
 637         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
 638         to the function.
 639         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
 640         (addsi3): ... here.  Use mn10300_output_add.
 641         (*addsi3_flags): New.
 642         (*am33_subsi3, *mn10300_subsi3): Merge...
 643         (subsi3): ... here.  Use attribute isa.
 644         (*subsi3_flags): New.
 645         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
 646         when possible.
 647         (*am33_andsi3, *mn10300_andsi3): Merge...
 648         (andsi3): ... here.
 649         (*andsi3_flags): New.
 650         (andsi3 splitters): New.
 651         (*am33_iorsi3, *mn10300_iorsi3): Merge...
 652         (iorsi3): ... here.
 653         (*iorsi3_flags): New.
 654         (*am33_xorsi3, *mn10300_xorsi3): Merge...
 655         (xorsi3): ... here.
 656         (*xorsi3_flags): New.
 657         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
 658         (one_cmplsi2): ... here.
 659         (*one_cmplsi2_flags): New.
 660         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
 661         instead of "dax" in constraints.  Use mn10300_split_cbranch.
 662         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
 663         use matching constraints to eliminate a self-comparison.
 664         (*integer_conditional_branch): Rename from integer_conditional_branch.
 665         Use int_mode_flags to match CC_REG.
 666         (*cbranchsi4_btst, *btstsi): New.
 667         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
 668         mn10300_split_cbranch.
 669         (*am33_cmpsf): Rename from am33_cmpsf.
 670         (*float_conditional_branch): Rename from float_conditional_branch.
 671         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
 672         (zero_extendqisi2): ... here.
 673         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
 674         (zero_extendhisi2): ... here.
 675         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
 676         (extendqisi2): ... here.
 677         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
 678         (extendhisi2): ... here.
 679         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
 680         (ashlsi3): ... here.
 681         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
 682         (lshrsi3): ... here.
 683         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
 684         (ashrsi3): ... here.
 685         (consecutive add peephole): Remove.
 686         * config/mn10300/predicates.md (label_ref_operand): New.
 687         (int_mode_flags): New.
 688         (CCZN_comparison_operator): New.
 689
 690         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
 691         (throughput_42_latency_43): New reservation.
 692         (mulsidi3, umulsidi3): New expanders.
 693         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
 694         the MDR register to allocation; separately allocate the low and
 695         high parts of the DImode result.
 696         (umulsidi3_internal): Similarly.
 697         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
 698         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
 699         (udivsi3, umodsi3): Remove.
 700         (udivmodsi4, divmodsi4): New expanders.
 701         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
 702         (*divmodsi4): Simiarly.
 703         (ext_internal): New.
 704
 705         * config/mn10300/constraints.md ("z"): New constraint.
 706         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
 707         (FIXED_REGISTERS): Don't fix MDR.
 708         (CALL_USED_REGSITERS): Reformat nicely.
 709         (REG_ALLOC_ORDER): Add MDR.
 710         (enum regclass): Add MDR_REGS.
 711         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
 712         (IRA_COVER_CLASSES): Add MDR_REGS.
 713         (REGNO_REG_CLASS): Handle MDR_REG.
 714         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
 715         (mn10300_register_move_cost): Likewise.
 716         * config/mn10300/mn10300.md (MDR_REG): New.
 717         (*movsi_internal): Handle moves to/from MDR_REGS.
 718
 719         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
 720         POST_MODIFY.
 721         (mn10300_secondary_reload): Tidy combination reload classes.
 722         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
 723         addresses for AM33.  Allow symbolic offsets for reg+imm.
 724         (mn10300_regno_in_class_p): New.
 725         (mn10300_legitimize_reload_address): New.
 726         * config/mn10300/mn10300.h (enum reg_class): Remove
 727         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
 728         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
 729         SP_OR_GENERAL_REGS.
 730         (REG_CLASS_NAMES): Update to match.
 731         (REG_CLASS_CONTENTS): Likewise.
 732         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
 733         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
 734         (REGNO_IN_RANGE_P): Remove.
 735         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
 736         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
 737         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
 738         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
 739         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
 740         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
 741         (REGNO_GENERAL_P): New.
 742         (HAVE_POST_MODIFY_DISP): New.
 743         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
 744         (LEGITIMIZE_RELOAD_ADDRESS): New.
 745         * config/mn10300/mn10300-protos.h: Update.
 746
 747         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
 748         DATA_REGS for AM33 stack-pointer destination.
 749         (mn10300_preferred_output_reload_class): Likewise.
 750         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
 751         into a form appropriate for ...
 752         (TARGET_SECONDARY_RELOAD): New.
 753         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
 754         * config/mn10300/mn10300-protos.h: Update.
 755         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
 756         reload_insi; use the "A" constraint for the scratch; handle AM33
 757         moves of sp to non-address registers.
 758
 759         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
 760         (*movqi_internal): ... here.
 761         (*am33_movhi, *mn10300_movhi): Merge into...
 762         (*movhi_internal): ... here.
 763         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
 764         as the source/destination of moves from/to SP.
 765         (movsf): Only allow for AM33-2.
 766         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
 767         any integer constant constraint.  Only allow for AM33-2.  Tidy
 768         all of the alternative outputs.
 769         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
 770         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
 771         for MN103.
 772         (udivsi3, umodsi3): New patterns for MN103 only.
 773
 774 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
 775
 776         * doc/tm.texi.in: Spell out that a lack of register class unions
 777         can lead to ICEs.
 778         * doc/tm.texi: Regenerate.
 779
 780 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
 781
 782         PR rtl-optimization/47337
 783         * dce.c (check_argument_store): New function.
 784         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
 785
 786         PR tree-optimization/47290
 787         * tree-eh.c (infinite_empty_loop_p): New function.
 788         (cleanup_empty_eh): Use it.
 789
 790 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
 791
 792         PR target/46997
 793         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
 794         (a64_expand_widen_sum): Ditto.
 795         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
 796         (vec_extract_evenodd_help): Ditto.
 797         (vec_extract_evenv4hi): Ditto.
 798         (vec_extract_oddv4hi): Ditto.
 799         (vec_extract_evenv2si): Ditto.
 800         (vec_extract_oddv2si): Ditto.
 801         (vec_extract_evenv2sf): Ditto.
 802         (vec_extract_oddv2sf): Ditto.
 803         (vec_pack_trunc_v4hi: Ditto.
 804         (vec_pack_trunc_v2si): Ditto.
 805         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
 806         (vec_interleave_highv8qi): Ditto.
 807         (mix1_r): Ditto.
 808         (vec_extract_oddv8qi): Ditto.
 809         (vec_interleave_lowv4hi): Ditto.
 810         (vec_interleave_highv4hi): Ditto.
 811         (vec_interleave_lowv2si): Ditto.
 812         (vec_interleave_highv2si): Ditto.
 813
 814 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 815
 816         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
 817         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
 818         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
 819         (pa_c_mode_for_suffix): New.
 820         (TARGET_EXPAND_BUILTIN): Define.
 821         (TARGET_C_MODE_FOR_SUFFIX): Define.
 822         (pa_builtins): Define.
 823         (pa_init_builtins): Register __float128 type and init new support
 824         builtins.
 825         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
 826         * config/pa/quadlib.c (_U_Qfcopysign): New.
 827
 828 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
 829
 830         PR middle-end/46894
 831         * explow.c (allocate_dynamic_stack_space): Do not assume more than
 832         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
 833         are defined.
 834
 835 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 836
 837         PR tree-optimization/47179
 838         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
 839         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
 840
 841 2011-01-18  Richard Guenther  <rguenther@suse.de>
 842
 843         PR rtl-optimization/47216
 844         * emit-rtl.c: Include tree-flow.h.
 845         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
 846         of replicating it with different semantics.
 847         * Makefile.in (emit-rtl.o): Adjust.
 848
 849 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 850
 851         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
 852         include.
 853         (cortex_a9_dp): Handle neon types correctly.
 854
 855 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
 856
 857         PR rtl-optimization/47299
 858         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
 859         subtarget.  Use normal multiplication if both operands are
 860         constants.
 861         * expmed.c (expand_widening_mult): Don't try to optimize constant
 862         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
 863         before using it.
 864
 865 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 866
 867         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
 868         spacing after 'e.g.', typos, comma, hyphenation.
 869
 870 2011-01-17  Richard Henderson  <rth@redhat.com>
 871
 872         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
 873         (rx_restricted_mem_operand): New.
 874         (rx_shift_operand): Use register_operand.
 875         (rx_source_operand, rx_compare_operand): Likewise.
 876         * config/rx/rx.md (addsi3_flags): New expander.
 877         (adddi3): Rewrite as expander.
 878         (adc_internal, *adc_flags, adddi3_internal): New patterns.
 879         (subsi3_flags): New expander.
 880         (subdi3): Rewrite as expander.
 881         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
 882
 883         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
 884         (rx_init_builtins): Remove sat builtin.
 885         (rx_expand_builtin): Likewise.
 886         * config/rx/rx.md (ssaddsi3): New.
 887         (*sat): Rename from sat.  Represent the CC_REG input.
 888
 889         * config/rx/predicates.md (rshift_operator): New.
 890         * config/rx/rx.c (rx_expand_insv): Remove.
 891         * config/rx/rx-protos.h: Update.
 892         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
 893         operand to the canonical position.
 894         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
 895         (*bitclr, *bitclr_in_memory): Similarly.
 896         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
 897         (insv): Retain the zero_extract in the expansion.
 898
 899         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
 900         (bswaphi2, bitinvert, revw): Likewise.
 901
 902         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
 903         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
 904         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
 905         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
 906         (bitset, bitset_in_memory): Likewise.
 907         (bitinvert, bitinvert_in_memory): Likewise.
 908         (bitclr, bitclr_in_memory): Likewise.
 909         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
 910         (rx_strend, rx_cmpstrn): Likewise.
 911         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
 912         (bitop peep2 patterns): Remove.
 913
 914         * config/rx/rx.c (rx_match_ccmode): New.
 915         * config/rx/rx-protos.h: Update.
 916         * config/rx/rx.md (abssi2): Clobber, don't set flags.
 917         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
 918         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
 919         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
 920         (fix_truncsfsi2, floatsisf2): Likewise.
 921         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
 922         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
 923         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
 924         (*subsi3_flags, *xorsi3_flags): New.
 925
 926         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
 927
 928         * config/rx/rx.c (rx_print_operand): Remove workaround for
 929         unsplit comparison operations.
 930
 931         * config/rx/rx.md (movsicc): Split after reload.
 932         (*movsicc): Merge *movsieq and *movsine via match_operator.
 933         (*stcc): New pattern.
 934
 935         * config/rx/rx.c (rx_float_compare_mode): Remove.
 936         * config/rx/rx.h (rx_float_compare_mode): Remove.
 937         * config/rx/rx.md (cstoresi4): Split after reload.
 938         (*sccc): New pattern.
 939
 940         * config/rx/predicates.md (label_ref_operand): New.
 941         (rx_z_comparison_operator): New.
 942         (rx_zs_comparison_operator): New.
 943         (rx_fp_comparison_operator): New.
 944         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
 945         Validate that the flags are set properly for the comparison.
 946         (rx_gen_cond_branch_template): Remove.
 947         (rx_cc_modes_compatible): Remove.
 948         (mode_from_flags): New.
 949         (flags_from_code): Rename from flags_needed_for_conditional.
 950         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
 951         (rx_select_cc_mode): Likewise.
 952         (rx_split_fp_compare): New.
 953         (rx_split_cbranch): New.
 954         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
 955         (*cbranchsi4): Use match_operator and rx_split_cbranch.
 956         (*cbranchsf4): Similarly.
 957         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
 958         match_operator and rx_split_cbranch.
 959         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
 960         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
 961         (*cmpsi): Rename from cmpsi.
 962         (*tstsi): Rename from tstsi.
 963         (*cmpsf): Rename from cmpsf; use CC_Fmode.
 964         (*conditional_branch): Rename from conditional_branch.
 965         (*reveresed_conditional_branch): Remove.
 966         (b<code>): Remove expander.
 967         * config/rx/rx-protos.h: Update.
 968
 969         * config/rx/rx.c (rx_compare_redundant): Remove.
 970         * config/rx/rx.md (cmpsi): Don't use it.
 971         * config/rx/rx-protos.h: Update.
 972
 973         * config/rx/rx-modes.def (CC_F): New mode.
 974         * config/rx/rx.c (rx_select_cc_mode): New.
 975         * config/rx/rx.h (SELECT_CC_MODE): Use it.
 976         * config/rx/rx-protos.h: Update.
 977
 978 2011-01-17  Richard Henderson  <rth@redhat.com>
 979
 980         * except.c (dump_eh_tree): Fix stray ; after for statement.
 981
 982 2011-01-17  Richard Guenther  <rguenther@suse.de>
 983
 984         PR tree-optimization/47313
 985         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
 986         handling before copying the body.  Properly deal with
 987         by-reference result in SSA form.
 988
 989 2011-01-17  Ian Lance Taylor  <iant@google.com>
 990
 991         PR target/47219
 992         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
 993         (struct_value_alias_set): Don't define.
 994         (sparc_option_override): Don't set sparc_sr_alias_set and
 995         struct_value_alias_set.
 996         (save_or_restore_regs): Use gen_frame_mem rather than calling
 997         set_mem_alias_set.
 998         (sparc_struct_value_rtx): Likewise.
 999
1000 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1001
1002         PR target/47318
1003         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
1004         __m128i.
1005         (_mm_maskstore_pd): Likewise.
1006         (_mm_maskload_ps): Likewise.
1007         (_mm_maskstore_ps): Likewise.
1008         (_mm256_maskload_pd): Change mask to __m256i.
1009         (_mm256_maskstore_pd): Likewise.
1010         (_mm256_maskload_ps): Likewise.
1011         (_mm256_maskstore_ps): Likewise.
1012
1013         * config/i386/i386-builtin-types.def: Updated.
1014         (ix86_expand_special_args_builtin): Likewise.
1015
1016         * config/i386/i386.c (bdesc_special_args): Update
1017         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
1018         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
1019         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
1020         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
1021
1022         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
1023         Use <avxpermvecmode> on mask register.
1024         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
1025
1026 2011-01-17  Olivier Hainque  <hainque@adacore.com>
1027             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1028             Eric Botcazou  <ebotcazou@adacore.com>
1029
1030         PR target/46655
1031         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
1032         if <= USHRT_MAX in 32-bit mode.
1033
1034 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1035
1036         * doc/install.texi (Configuration, Specific): Wrap long
1037         lines in examples.  Allow line wrapping in long options
1038         and URLs where beneficial for PDF output.
1039
1040 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
1041
1042         * config/mips/mips.c (mips_classify_symbol): Don't return
1043         SYMBOL_PC_RELATIVE for nonlocal labels.
1044
1045 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
1046
1047         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
1048
1049 2011-01-15  Jan Hubicka  <jh@suse.cz>
1050
1051         PR tree-optimization/47276
1052         * ipa.c (function_and_variable_visibility): Do not try to mark alias
1053         declarations as needed.
1054
1055 2011-01-15  Martin Jambor  <mjambor@suse.cz>
1056
1057         * common.opt (fdevirtualize): New flag.
1058         * doc/invoke.texi (Option Summary): Document it.
1059         * opts.c (default_options_table): Add devirtualize flag.
1060         * ipa-prop.c (detect_type_change): Return immediately if
1061         devirtualize flag is not set.
1062         (detect_type_change_ssa): Likewise.
1063         (compute_known_type_jump_func): Likewise.
1064         (ipa_analyze_virtual_call_uses): Likewise.
1065
1066 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1067
1068         PR tree-optimization/45934
1069         PR tree-optimization/46302
1070         * ipa-prop.c (type_change_info): New type.
1071         (stmt_may_be_vtbl_ptr_store): New function.
1072         (check_stmt_for_type_change): Likewise.
1073         (detect_type_change): Likewise.
1074         (detect_type_change_ssa): Likewise.
1075         (compute_complex_assign_jump_func): Check for dynamic type change.
1076         (compute_complex_ancestor_jump_func): Likewise.
1077         (compute_known_type_jump_func): Likewise.
1078         (compute_scalar_jump_functions): Likewise.
1079         (ipa_analyze_virtual_call_uses): Likewise.
1080         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
1081
1082 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1083
1084         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
1085         * config/i386/i386.opt (msse5): New Alias.
1086
1087 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1088
1089         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1090         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1091         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1092         * config/sparc/sparc.h (CC1_SPEC): Likewise.
1093
1094 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1095
1096         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
1097         -mcpu options.
1098         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1099         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1100         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
1101         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
1102         Likewise.
1103         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
1104
1105 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1106
1107         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
1108         -fvec-eabi.
1109
1110 2011-01-14  Mike Stump  <mikestump@comcast.net>
1111
1112         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
1113         * config/fr30/fr30.md: Likweise
1114         (movsi_push): Likewise.
1115         (movsi_pop): Likewise.
1116         (enter_func): Likewise.
1117         * config/moxie/moxie.md (movsi_push): Likewise.
1118         (movsi_pop): Likewise.
1119
1120 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1121
1122         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
1123         %{no_archive} %{exact_version}.
1124         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
1125         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
1126         %{no_archive} %{exact_version}.
1127         * config/mips/openbsd.h (LINK_SPEC): Likewise.
1128         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
1129         * config/mips/vxworks.h: Likewise.
1130
1131 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1132
1133         * config/microblaze/microblaze.h (ASM_SPEC): Remove
1134         %{microblaze1}.
1135
1136 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1137
1138         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
1139         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
1140
1141 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1142
1143         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
1144         -nodefaultlib.
1145
1146 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1147
1148         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
1149         for mcpu not cpu.
1150         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
1151         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
1152         not cpu.
1153         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
1154         Don't handle -shlib.
1155
1156 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1157
1158         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
1159         (CC1_SPEC): Don't handle -profile.
1160
1161 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1162
1163         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
1164         * config/mips/mips.h (CC1_SPEC): Likewise.
1165
1166 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1167
1168         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
1169         * config/mips/mips.h (CC1_SPEC): Likewise.
1170
1171 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1172
1173         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
1174         * config/m32r/linux.h (LINK_SPEC): Likewise.
1175         * config/mips/linux.h (LINK_SPEC): Likewise.
1176         * config/mips/linux64.h (LINK_SPEC): Likewise.
1177         * config/sparc/linux.h (LINK_SPEC): Likewise.
1178         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1179         LINK_SPEC): Likewise.
1180         * config/xtensa/linux.h (LINK_SPEC): Likewise.
1181
1182 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1183
1184         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
1185         %{version:-v}.
1186         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
1187
1188 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1189
1190         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
1191         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
1192
1193 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1194
1195         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
1196
1197 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1198
1199         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
1200         supports -Bstatic/-Bdynamic.
1201         * configure: Regenerate.
1202
1203 2011-01-14  Jan Hubicka  <jh@suse.cz>
1204         Jack Howarth <howarth@bromo.med.uc.edu>
1205
1206         PR target/46037
1207         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
1208         when checking debug_info_level. Test write_symbols instead of
1209         debug_hooks->var_location when setting flag_var_tracking_uninit.
1210
1211 2011-01-14  Richard Guenther  <rguenther@suse.de>
1212
1213         PR tree-optimization/47179
1214         * target.def (ref_may_alias_errno): New target hook.
1215         * targhooks.h (default_ref_may_alias_errno): Declare.
1216         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
1217         (default_ref_may_alias_errno): New function.
1218         * target.h (struct ao_ref_s): Declare.
1219         * tree-ssa-alias.c: Include target.h.
1220         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
1221         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
1222         (targhooks.o): Likewise.
1223         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
1224         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
1225
1226 2011-01-14  Richard Guenther  <rguenther@suse.de>
1227
1228         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
1229
1230 2011-01-14  Richard Guenther  <rguenther@suse.de>
1231
1232         PR tree-optimization/47280
1233         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
1234         return CFG changes.
1235         (tree_ssa_forward_propagate_single_use_vars): Deal with
1236         CFG changes from associate_plusminus.
1237
1238 2011-01-14  Richard Guenther  <rguenther@suse.de>
1239
1240         PR middle-end/47281
1241         Revert
1242         2011-01-11  Richard Guenther  <rguenther@suse.de>
1243
1244         PR tree-optimization/46076
1245         * tree-ssa.c (useless_type_conversion_p): Conversions from
1246         unprototyped to empty argument list function types are useless.
1247
1248 2011-01-14  Richard Guenther  <rguenther@suse.de>
1249
1250         PR tree-optimization/47286
1251         * tree-ssa-structalias.c (new_var_info): Register variables are global.
1252
1253 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1254
1255         PR middle-end/46823
1256         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
1257
1258 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
1259
1260         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
1261         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1262         * config/xtensa/xtensa.c (xtensa_libcall_value,
1263         xtensa_function_value_regno_p): New functions.
1264         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
1265
1266 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
1267
1268         PR c++/47213
1269         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
1270         PE specific hook.
1271         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
1272         New function prototype.
1273         * config/i386/winnt.c (i386_pe_assemble_visibility):
1274         Warn only if attribute was specified by user.
1275
1276 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
1277
1278         PR target/47251
1279         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
1280         floating point.
1281         (floatunsdidf2_fcfidu): Ditto.
1282
1283 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1284
1285         * config/s390/s390.c (print_operand_address): Replace 'error' with
1286         'output_operand_lossage'.
1287         (print_operand): Likewise.
1288
1289 2011-01-13  Jeff Law  <law@redhat.com>
1290
1291         PR rtl-optimization/39077
1292         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
1293         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
1294         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
1295         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
1296         * gcse.c (prune_insertions_deletions): New function.
1297         (compute_pre_data): Use it.
1298
1299 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
1300
1301         PR debug/PR46973
1302         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
1303         static function.
1304         (prune_unused_types_mark): Use it.
1305
1306 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
1307
1308         PR rtl-optimization/45352
1309         * sel-sched.c: Update copyright years.
1310         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
1311         in the advancing loop when we have issued issue_rate insns.
1312
1313 2011-01-12  Richard Henderson  <rth@redhat.com>
1314
1315         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
1316         (TARGET_MD_ASM_CLOBBERS): New.
1317
1318         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
1319         (TARGET_DELEGITIMIZE_ADDRESS): New.
1320
1321         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
1322         (clzsi2, *bsch): New patterns.
1323
1324         * config/mn10300/mn10300.md (INT): New mode iterator.
1325         (*mov<INT>_clr): New pattern, and peep2 to generate it.
1326
1327         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
1328         flag_split_wide_types.
1329
1330         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
1331         (mn10300_trampoline_init): Rewrite without a template, an immediate
1332         load and a direct branch.
1333         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
1334
1335 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
1336
1337         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
1338         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
1339         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
1340         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1341
1342 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
1343
1344         PR debug/47209
1345         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
1346         of type.
1347
1348 2011-01-12  Jan Hubicka  <jh@suse.cz>
1349
1350         PR driver/47244
1351         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
1352         (PLUGIN_COND_CLOSE): New macro.
1353         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
1354
1355 2011-01-12  Richard Guenther  <rguenther@suse.de>
1356
1357         PR lto/47259
1358         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
1359         register variables in a MEM_REF.
1360
1361 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
1362
1363         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
1364         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
1365         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
1366         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
1367         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
1368         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
1369         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
1370         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
1371         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
1372         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
1373         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
1374         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
1375         * config/gnu-user.h: New.  Copied from linux.h.
1376         (LINUX_TARGET_STARTFILE_SPEC): Rename to
1377         GNU_USER_TARGET_STARTFILE_SPEC.
1378         (LINUX_TARGET_ENDFILE_SPEC): Rename to
1379         GNU_USER_TARGET_ENDFILE_SPEC.
1380         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
1381         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
1382         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
1383         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
1384         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1385         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1386         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
1387         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
1388         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
1389         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
1390         * config/arm/linux-eabi.h (CC1_SPEC): Use
1391         GNU_USER_TARGET_CC1_SPEC.
1392         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
1393         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
1394         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
1395         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
1396         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
1397         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
1398         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
1399         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
1400
1401 2011-01-12  Richard Guenther  <rguenther@suse.de>
1402
1403         PR other/46946
1404         * doc/invoke.texi (ffast-math): Document it is turned on
1405         with -Ofast.
1406
1407 2011-01-12  Jan Hubicka  <jh@suse.cz>
1408
1409         PR tree-optimization/47233
1410         * opts.c (common_handle_option): Disable ipa-reference with profile
1411         feedback.
1412
1413 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
1414
1415         * c-parser.c (c_parser_objc_at_property_declaration): Improved
1416         error message.
1417
1418 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
1419
1420         * c-parser.c (c_lex_one_token): Updated and reindented some
1421         comments.  No changes in code.
1422
1423 2011-01-11  Ian Lance Taylor  <iant@google.com>
1424
1425         * godump.c (go_output_var): Don't output the variable if there is
1426         already a type with the same name.
1427
1428 2011-01-11  Ian Lance Taylor  <iant@google.com>
1429
1430         * godump.c (go_format_type): Don't generate float80.
1431
1432 2011-01-11  Richard Henderson  <rth@redhat.com>
1433
1434         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
1435         declaration.  Rewrite for both speed and size.
1436         (mn10300_address_cost_1): Remove.
1437         (mn10300_register_move_cost): New.
1438         (mn10300_memory_move_cost): New.
1439         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
1440         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
1441         extensions, shifts, BSWAP, CLZ.
1442         (mn10300_wide_const_load_uses_clr): Remove.
1443         (TARGET_REGISTER_MOVE_COST): New.
1444         (TARGET_MEMORY_MOVE_COST): New.
1445         * config/mn10300/mn10300-protos.h: Update.
1446         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
1447
1448         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
1449         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
1450         * config/mn10300/mn10300-protos.h: Update.
1451         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
1452         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
1453         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
1454         (*test_int_bitfield, *test_byte_bitfield): Remove.
1455         (*bit_test, *subreg_bit_test): Remove.
1456         * config/mn10300/predicates.md (const_8bit_operand): Remove.
1457
1458         * config/mn10300/constraints.md ("c"): Rename from "A".
1459         ("A", "D"): New constraint letters.
1460         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
1461         (fmssf4, fnmasf4, fnmssf4): Likewise.
1462
1463         * config/mn10300/mn10300.md (isa): New attribute.
1464         (enabled): New attribute.
1465
1466         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
1467         (abssf2, negsf2): Define only for hardware fp.
1468         (sqrtsf2): Reformat.
1469         (addsf3, subsf3, mulsf3): Merge expander and insn.
1470
1471         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
1472         (DEBUGGER_AUTO_OFFSET): Remove.
1473         (DEBUGGER_ARG_OFFSET): Remove.
1474
1475         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
1476         Emit register stores with the same offsets as the hardware.
1477         (mn10300_store_multiple_operation): Don't check that the register
1478         save offsets are monotonic.
1479         * config/mn10300/mn10300-protos.h: Update.
1480
1481         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
1482
1483         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
1484         in terms of the value on the stack, not the MDR register.
1485
1486 2011-01-11  Jan Hubicka  <jh@suse.cz>
1487
1488         PR lto/45721
1489         PR lto/45375
1490         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
1491         (symbol_alias_set_destroy, symbol_alias_set_contains,
1492         propagate_aliases_backward): Declare.
1493         * lto-streamer-out.c (struct sets): New sturcture.
1494         (trivally_defined_alias): New function.
1495         (output_alias_pair_p): Rewrite.
1496         (output_unreferenced_globals): Fix output of alias pairs.
1497         (produce_symtab): Likewise.
1498         * ipa.c (function_and_variable_visibility): Set weak alias destination
1499         as needed in lto.
1500         * varasm.c (symbol_alias_set_t): Remove.
1501         (symbol_alias_set_destroy): Export.
1502         (propagate_aliases_forward, propagate_aliases_backward): New functions
1503         based on ...
1504         (compute_visible_aliases): ... this one; remove.
1505         (trivially_visible_alias): New
1506         (trivially_defined_alias): New.
1507         (remove_unreachable_alias_pairs): Rewrite.
1508         (finish_aliases_1): Reorganize code checking if alias is defined.
1509         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
1510         in LTO mode.
1511
1512 2011-01-11  Richard Guenther  <rguenther@suse.de>
1513
1514         PR tree-optimization/46076
1515         * tree-ssa.c (useless_type_conversion_p): Conversions from
1516         unprototyped to empty argument list function types are useless.
1517
1518 2011-01-11  Richard Guenther  <rguenther@suse.de>
1519
1520         PR middle-end/45235
1521         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
1522         volatile MEMs as MEM_READONLY_P.
1523
1524 2011-01-11  Richard Guenther  <rguenther@suse.de>
1525
1526         PR tree-optimization/47239
1527         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
1528
1529 2011-01-11  Jeff Law  <law@redhat.com>
1530
1531         PR tree-optimization/47086
1532         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
1533         IVs from statements that might throw.
1534
1535 2011-01-10  Jan Hubicka  <jh@suse.cz>
1536
1537         PR lto/45375
1538         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
1539
1540 2011-01-10  Jan Hubicka  <jh@suse.cz>
1541
1542         PR lto/45375
1543         * profile.c (read_profile_edge_counts): Ignore profile inconistency
1544         when correcting profile.
1545
1546 2011-01-10  Jan Hubicka  <jh@suse.cz>
1547
1548         PR lto/46083
1549         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
1550         DECL_FINI_PRIORITY.
1551         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
1552         Restore DECL_FINI_PRIORITY.
1553
1554 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1555
1556         * doc/gimple.texi: Fix quoting of multi-word return values in
1557         @deftypefn statements.  Ensure presence of return value.  Wrap
1558         overlong @deftypefn lines.
1559         (is_gimple_operand, is_gimple_min_invariant_address): Remove
1560         descriptions of removed functions.
1561         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
1562         of multi-word return value in @deftypefn statement.
1563
1564 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1565
1566         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
1567         (Conditional Expressions, Logical Operators)
1568         (Statement and operand traversals): Do not indent smallexample
1569         code.  Fix duplicate function argument in example.
1570
1571 2011-01-10  Jeff Law  <law@redhat.com>
1572
1573         PR tree-optimization/47141
1574         * ipa-split.c (split_function): Handle case where we are
1575         returning a value and the return block has a virtual operand phi.
1576
1577 2011-01-10  Jan Hubicka  <jh@suse.cz>
1578
1579         PR tree-optimization/47234
1580         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
1581         (pass_feedback_split_functions): Declare.
1582         * passes.c (init_optimization_passes): Add ipa-split as subpass of
1583         tree-profile.
1584         * ipa-split.c (gate_split_functions): Update comments; disable
1585         split-functions for profile_arc_flag and branch_probabilities.
1586         (gate_feedback_split_functions): New function.
1587         (execute_feedback_split_functions): New function.
1588         (pass_feedback_split_functions): New global var.
1589
1590 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1591
1592         PR lto/46760
1593         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
1594         calling gimple_call_set_cannot_inline.
1595
1596 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
1597
1598         * config/darwin-sections.def: Remove unused section.
1599
1600 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
1601
1602         PR c++/47218
1603         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
1604
1605 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
1606
1607         PR objc/47232
1608         * c-parser.c (c_parser_declaration_or_fndef): Improved
1609         error message.
1610
1611 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
1612
1613         * config/i386/winnt.c (i386_pe_start_function): Make sure
1614         to switch back to function's section.
1615
1616 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
1617
1618         PR gcc/46902
1619         PR testsuite/46912
1620         * plugin.c: Move include of dlfcn.h from here...
1621         * system.h: ... to here.
1622
1623 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1624
1625         * doc/cpp.texi (C++ Named Operators): Fix markup for header
1626         file name.
1627         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
1628         two extra empty pages in PDF output.
1629
1630 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
1631
1632         PR objc/47078
1633         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
1634         for error recovery purposes behave as if it was not specified so
1635         that the default type is usd.
1636
1637 2011-01-07  Jan Hubicka  <jh@suse.cz>
1638
1639         PR tree-optmization/46469
1640         * ipa.c (function_and_variable_visibility): Clear needed flags on
1641         nodes with external decls; handle weakrefs merging correctly.
1642
1643 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
1644
1645         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
1646         not false.
1647
1648 2011-01-07  Jan Hubicka  <jh@suse.cz>
1649
1650         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
1651         and no longer claim that gold is required for linker plugin.
1652         * configure: Regenerate.
1653         * gcc.c (PLUGIN_COND): New macro.
1654         (LINK_COMMAND_SPEC): Use it.
1655         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
1656         * config.in (HAVE_LTO_PLUGIN): New.
1657         * configure.ac (--with-lto-plugin): New parameter; autodetect
1658         HAVE_LTO_PLUGIN.
1659
1660 2011-01-07  Jan Hubicka  <jh@suse.cz>
1661
1662         PR tree-optimization/46367
1663         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
1664         when we can update original.
1665         (cgraph_mark_inline_edge): Sanity check.
1666         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
1667
1668 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1669
1670         * config/spu/spu.h (ASM_COMMENT_START): Define.
1671
1672 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1673
1674         PR driver/42445
1675         * gcc.c (%>S): New.
1676         (SWITCH_KEEP_FOR_GCC): Likewise.
1677         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
1678         (do_spec_1): Handle "%>".
1679
1680         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
1681
1682 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
1683
1684         PR target/47201
1685         * config/i386/i386.c (ix86_delegitimize_address): If
1686         simplify_gen_subreg fails, return orig_x.
1687
1688         PR bootstrap/47187
1689         * value-prof.c (gimple_stringop_fixed_value): Handle
1690         lhs of the call properly.
1691
1692 2011-01-07  Jan Hubicka  <jh@suse.cz>
1693
1694         PR lto/45375
1695         * lto-opt.c (lto_reissue_options): Set flag_shlib.
1696
1697 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
1698
1699         * target.def (function_switched_text_sections): New hook.
1700         * doc/tm.texi: Regenerated.
1701         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
1702         * final.c (default_function_switched_text_sections): New.
1703         (final_scan_insn): Call function_switched_text_sections when a
1704         mid-function section change occurs.
1705         * output.h (default_function_switched_text_sections): Declare.
1706         * config/darwin-protos.h (darwin_function_switched_text_sections):
1707         Likewise.
1708         * config/darwin.c (darwin_function_switched_text_sections): New.
1709         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
1710
1711 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
1712
1713         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
1714         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
1715         the secondary code fragment when outputting for DWARF == 2.
1716
1717 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
1718
1719         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
1720         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
1721         Remove.
1722         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
1723         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1724
1725 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
1726
1727         PR debug/46704
1728         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
1729         when it is not empty.
1730
1731 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
1732
1733         Bobcat Enablement
1734         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
1735         (case ${target}): Add btver1.
1736         * config/i386/driver-i386.c (host_detect_local_cpu): Let
1737         -march=native recognize btver1 processors.
1738         * config/i386/i386-c.c (ix86_target_macros_internal): Add
1739         btver1 def_and_undef
1740         * config/i386/i386.c (struct processor_costs btver1_cost): New
1741         btver1 cost table.
1742         (m_BTVER1): New definition.
1743         (m_AMD_MULTIPLE): Includes m_BTVER1.
1744         (initial_ix86_tune_features): Add btver1 tune.
1745         (processor_target_table): Add btver1 entry.
1746         (static const char *const cpu_names): Add btver1 entry.
1747         (software_prefetching_beneficial_p): Add btver1.
1748         (ix86_option_override_internal): Add btver1 instruction sets.
1749         (ix86_issue_rate): Add btver1.
1750         (ix86_adjust_cost): Add btver1.
1751         * config/i386/i386.h (TARGET_BTVER1): New definition.
1752         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
1753         (enum processor_type): Add PROCESSOR_BTVER1.
1754         * config/i386/i386.md (define_attr "cpu"): Add btver1.
1755
1756 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1757
1758         PR target/43309
1759         * config/i386/i386.c (legitimize_tls_address)
1760         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
1761         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
1762         (tls_initial_exec_64_sun): New pattern.
1763
1764 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
1765
1766         * doc/invoke.texi (Overall Options): Improve wording and markup
1767         of the description of -wrapper.
1768
1769 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
1770
1771         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
1772         rdynamic, threads): New Driver options.
1773
1774 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1775
1776         PR target/38118
1777         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
1778         if coming from .tdata.
1779         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1780
1781 2011-01-06  Jan Hubicka  <jh@suse.cz>
1782
1783         PR lto/47188
1784         * collect2.c (main): Do not enable LTOmode when plugin is active.
1785
1786 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1787
1788         PR other/45915
1789         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
1790         --version output if supported.
1791         * configure: Regenerate.
1792
1793 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
1794
1795         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
1796         Driver options.
1797
1798 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
1799
1800         PR c/47150
1801         * c-convert.c (convert): When converting a complex expression
1802         other than COMPLEX_EXPR to a different complex type, ensure
1803         c_save_expr is called instead of save_expr, unless in_late_binary_op.
1804         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
1805         when converting COMPLEX_TYPE.
1806
1807 2011-01-06  Ira Rosen  <irar@il.ibm.com>
1808
1809         PR tree-optimization/47139
1810         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
1811         only the last reduction value is used outside the loop.  Update
1812         documentation.
1813
1814 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
1815
1816         * config/rtems.opt: New.
1817         * config.gcc (*-*-rtems*): Use rtems.opt.
1818
1819 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
1820
1821         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
1822         processors do not support 3DNow instructions.
1823
1824 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1825
1826         * config/spu/spu.c (spu_option_override): Set parameter
1827         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
1828
1829 2011-01-05  Jan Hubicka  <jh@suse.cz>
1830
1831         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
1832         at the command line.
1833
1834 2011-01-05  Martin Jambor  <mjambor@suse.cz>
1835
1836         PR lto/47162
1837         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
1838         deltas on streamed outgoing edges.
1839         (output_node_opt_summary): Output info for outgoing edges only when
1840         the node is in new parameter set.
1841         (output_cgraph_opt_summary): New parameter set, passed to the two
1842         aforementioned functions.  Update its forward declaration and its
1843         callee too.
1844
1845 2011-01-05  Tom Tromey  <tromey@redhat.com>
1846
1847         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
1848         operator to c_finish_omp_atomic.
1849         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
1850         (build_unary_op): Update.
1851         (build_modify_expr): Update.
1852         (build_asm_expr): Update.
1853
1854 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1855
1856         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
1857         newly inserted insns.
1858         (pad_bb): Likewise.
1859         (spu_emit_branch_hint): Likewise.
1860         (insert_hbrp_for_ilb_runout): Likewise.
1861         (spu_machine_dependent_reorg): Call df_finish_pass after
1862         schedule_insns returns.
1863
1864 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1865
1866         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
1867
1868 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1869
1870         PR tree-optimization/47005
1871         * tree-sra.c (struct access): Add 'non_addressable' bit.
1872         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
1873         (decide_one_param_reduction): Return 0 if the parameter is passed by
1874         reference and one of the accesses in the group is non_addressable.
1875
1876 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1877
1878         PR tree-optimization/47056
1879         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
1880         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
1881         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
1882
1883 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1884
1885         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
1886         initializer.  Skip view conversions from aggregate types.
1887
1888 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
1889
1890         PR bootstrap/47055
1891         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
1892
1893 2011-01-04  Philipp Thomas <pth@suse.de>
1894
1895         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
1896         obvious typo.
1897
1898 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1899
1900         * function.c (thread_prologue_and_epilogue_insns): Do not crash
1901         on empty epilogue sequences.
1902
1903 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
1904
1905         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
1906         non-static): New Driver options.
1907
1908 2011-01-04  Jie Zhang  <jie@codesourcery.com>
1909
1910         PR driver/47137
1911         * gcc.c (default_compilers[]): Set combinable field to 0
1912         for all assembly languages.
1913
1914 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
1915
1916         * config/mips/loongson3a.md: New file.
1917         * config/mips/mips.md: Include loongson3a.md.
1918         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
1919         TUNE_LOONGSON_3A.
1920
1921 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
1922
1923         PR middle-end/47017
1924         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
1925         instead of convert_memory_address_addr_space on the base expression.
1926
1927 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1928
1929         * config/spu/spu.c (spu_option_override): Update error text
1930         for bad -march= / -mtune= values.
1931
1932 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1933
1934         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
1935         if branch-hint optimization will be performed.
1936
1937 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR tree-optimization/47148
1940         * ipa-split.c (split_function): Convert arguments to
1941         DECL_ARG_TYPE if possible.
1942
1943         PR tree-optimization/47155
1944         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
1945         when computing uns.
1946
1947         PR rtl-optimization/47157
1948         * combine.c (try_combine): If undobuf.other_insn becomes
1949         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
1950         and set *new_direct_jump_p too.
1951
1952 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         PR tree-optimization/47021
1955         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
1956
1957 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
1958
1959         * gcc.c (process_command): Update copyright notice dates.
1960         * gcov.c (print_version): Likewise.
1961         * gcov-dump.c (print_version): Likewise.
1962         * mips-tfile.c (main): Likewise.
1963         * mips-tdump.c (main): Likewise.
1964
1965 2011-01-03  Martin Jambor  <mjambor@suse.cz>
1966
1967         PR tree-optimization/46801
1968         * tree-sra.c (type_internals_preclude_sra_p): Check whether
1969         aggregate fields start at byte boundary instead of the bit-field flag.
1970
1971 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
1972
1973         PR driver/47137
1974         * gcc.c (main): Revert revision 168407.
1975
1976 2011-01-03  Martin Jambor  <mjambor@suse.cz>
1977
1978         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
1979
1980 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1981
1982         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
1983         vector optab to expand vector/scalar shift, update gimple to vector.
1984
1985 2011-01-03  Martin Jambor  <mjambor@suse.cz>
1986
1987         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
1988         a thunk.
1989
1990 2011-01-03  Martin Jambor  <mjambor@suse.cz>
1991
1992         PR tree-optimization/46984
1993         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
1994         HOST_WIDE_INT.
1995         (cgraph_create_indirect_edge): Fixed line length.
1996         (cgraph_indirect_call_info): Declare.
1997         (cgraph_make_edge_direct) Update declaration.
1998         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
1999         (cgraph_create_indirect_edge): Use it.
2000         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
2001         callees.
2002         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
2003         the new thunk_delta representation.
2004         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
2005         HOST_WIDE_INT.
2006         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
2007         (ipa_read_indirect_edge_info): Likewise.
2008         * lto-cgraph.c (output_edge_opt_summary): New function.
2009         (output_node_opt_summary): Call it on all outgoing edges.
2010         (input_edge_opt_summary): New function.
2011         (input_node_opt_summary): Call it on all outgoing edges.
2012
2013 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2014
2015         PR driver/47137
2016         * gcc.c (main): Don't check have_o when settting combine_inputs.
2017
2018 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2019
2020         * regrename.c: Add general comment describing the pass.
2021         (struct du_head): Remove 'length' field.
2022         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
2023         (regrename_optimize): Do not sort chains.  Rework comments, add others.
2024         Force renaming to the preferred class (if any) in the first pass and do
2025         not consider registers that belong to it in the second pass.
2026         (create_new_chain): Do not set 'length' field.
2027         (scan_rtx_reg): Likewise.
2028
2029 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR tree-optimization/47140
2032         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
2033         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
2034         to bit_value_binop.
2035
2036         PR rtl-optimization/47028
2037         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
2038         parm_birth_insn instead of at the beginning of first bb.
2039
2040 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
2041
2042         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
2043         Remove the word "see" before "@pxref".
2044         * doc/rtl.texi: Remove the word "see" before "@pxref".
2045
2046 2011-01-01  Jan Hubicka  <jh@suse.cz>
2047
2048         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
2049         memory.
2050
2051 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
2052
2053         PR target/38662
2054         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
2055
2056 \f
2057 Copyright (C) 2011 Free Software Foundation, Inc.
2058
2059 Copying and distribution of this file, with or without modification,
2060 are permitted in any medium without royalty provided the copyright
2061 notice and this notice are preserved.