gcc/ChangeLog

   1 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
   2
   3         * gimple.h (gimplify_body): Remove first argument.
   4         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
   5         pointer set here, instead just pass DATA to walk_tree.
   6         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
   7         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
   8         (unvisit_body): Likewise, but with unmark_visited.
   9         (gimplify_body): Remove BODY_P argument and adjust.
  10         (gimplify_function_tree): Adjust call to gimplify_body.
  11         * omp-low.c (finalize_task_copyfn): Likewise.
  12
  13 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
  14
  15         * tree.h (build_function_decl_skip_args): Add boolean parameter.
  16         (build_function_type_skip_args): Delete.
  17         * tree.c (build_function_type_skip_args): Make static and add
  18         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
  19         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
  20         pass it to build_function_type_skip_args.
  21         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
  22         (tree_function_versioning): Likewise.
  23         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
  24         build_function_decl_skip_args.
  25         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
  26         and pass it to build_function_decl_skip_args/tree_function_versioning.
  27         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
  28         * ipa-inline-transform.c (save_inline_function_body): Likewise.
  29         * trans-mem.c (ipa_tm_create_version): Likewise.
  30         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
  31         * tree-inline.c (declare_return_variable): Remove always-true test.
  32         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
  33         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
  34         * ipa-split.c (split_function): Skip the return value for the split
  35         part if it doesn't return.
  36
  37 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  38
  39         PR tree-optimization/49642
  40         * ipa-split.c (forbidden_dominators): New variable.
  41         (check_forbidden_calls): New function.
  42         (dominated_by_forbidden): Likewise.
  43         (consider_split): Check for forbidden dominators.
  44         (execute_split_functions): Initialize and free forbidden
  45         dominators info; call check_forbidden_calls.
  46
  47 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  48
  49         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
  50
  51 2012-01-11  Nick Clifton  <nickc@redhat.com>
  52
  53         * config/rx/rx.md (return): Define pattern.
  54
  55 2012-01-11  Richard Guenther  <rguenther@suse.de>
  56
  57         * doc/extend.texi (malloc attribute): Adjust according to
  58         implementation.
  59
  60 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
  61             Patrick Marlier  <patrick.marlier@gmail.com>
  62
  63         PR middle-end/51516
  64         * trans-mem.c (get_cg_data): Traverse aliases if requested.
  65         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
  66         (ipa_tm_note_irrevocable): Same.
  67         (ipa_tm_scan_irr_block): Same.
  68         (ipa_tm_decrement_clone_counts): Same.
  69         (ipa_tm_scan_irr_function): Same.
  70         (ipa_tm_create_version_alias): Same.
  71         (ipa_tm_create_version): Same.
  72         (ipa_tm_transform_calls_redirect): Same.
  73         (ipa_tm_transform_calls): Same.
  74         (ipa_tm_transform_transaction): Same.
  75         (ipa_tm_execute): Same.
  76
  77 2012-01-10  Richard Guenther  <rguenther@suse.de>
  78
  79         PR middle-end/51806
  80         * opts.c (common_handle_option): Handle -Werror.
  81
  82 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
  83
  84         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
  85         operand number.
  86
  87 2012-01-10  Jason Merrill  <jason@redhat.com>
  88
  89         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
  90         information.
  91
  92 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  93
  94         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
  95         supports R_386_TLS_GD_PLT reloc.
  96         (gcc_cv_as_ix86_tlsldmplt): Check if linker
  97         supports R_386_TLS_LDM_PLT reloc.
  98         * configure: Regenerate.
  99         * config.in: Regenerate.
 100
 101 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 102
 103         PR target/49868
 104         Extend __pgmx semantics to linearize memory.
 105         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 106         determine if code comes inline or from libgcc.
 107         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 108         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 109         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 110         (movmemx_qi, movmemx_hi): New insns.
 111         (xload_<mode>_libgcc): Rewrite to new insn condition.
 112         (xload_<mode>): Remove insns.
 113         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 114         cases that don't satisfy avr_xload_libgcc_p().
 115         (avr_addr_space_convert): Allow converting in any direction.
 116         (avr_addr_space_subset_p): Return always true.
 117         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 118         (avr_emit_movmemhi): Ditto.
 119         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 120         (avr_out_movmem): Ditto.
 121         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 122         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 123         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 124         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 125         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 126
 127 2012-01-10  Richard Guenther  <rguenther@suse.de>
 128
 129         PR tree-optimization/50913
 130         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 131         Require data-refs to be representable by Graphite with respect
 132         to any loop nest.
 133
 134 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 135
 136         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 137         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 138
 139 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 140
 141         PR rtl-optimization/51271
 142         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 143         handling annulled branch.
 144
 145 2012-01-10  Richard Henderson  <rth@redhat.com>
 146
 147         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 148         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 149         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 150         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 151         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 152         arm_expand_vec_perm_const): New.
 153         * config/arm/arm-protos.h: Update.
 154         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 155         (*neon_vswp<VDQX>): New.
 156         (neon_vcombine<VDX>): Use neon_split_vcombine.
 157         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 158         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 159         (vec_perm<VE>): New.
 160
 161 2012-01-10  Richard Henderson  <rth@redhat.com>
 162
 163         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 164         use it if reload_completed.
 165         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 166         arm_output_asm_insn, arm_process_output_memory_barrier,
 167         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 168         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 169         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 170         arm_process_output_sync_insn, arm_output_sync_insn,
 171         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 172         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 173         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 174         (emit_unlikely_jump): New.
 175         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 176         (arm_split_atomic_op): New.
 177         * config/arm/arm-protos.h: Update.
 178         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 179         (struct arm_sync_generator): Remove.
 180         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 181         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 182         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 183         (VUNSPEC_LL, VUNSPEC_SC): New.
 184         (sync_result, sync_memory, sync_required_value, sync_new_value,
 185         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 186         (attr length): Don't use arm_sync_loop_insns.
 187         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 188         (movsfcc, movdfcc): Likewise.
 189         * config/arm/constraints.md (Ua): New.
 190         * config/arm/prediates.md (mem_noofs_operand): New.
 191         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 192         (sync_clobber, sync_t2_reqd): Remove.
 193         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 194         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 195         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 196         (arm_sync_compare_and_swap<SIDI>): Remove.
 197         (arm_sync_compare_and_swap<NARROW>): Remove.
 198         (arm_sync_lock_test_and_set<SIDI>): Remove.
 199         (arm_sync_lock_test_and_set<NARROW>): Remove.
 200         (arm_sync_new_<syncop><SIDI>): Remove.
 201         (arm_sync_new_<syncop><NARROW>): Remove.
 202         (arm_sync_new_nand<SIDI>): Remove.
 203         (arm_sync_new_nand<NARROW>): Remove.
 204         (arm_sync_old_<syncop><SIDI>): Remove.
 205         (arm_sync_old_<syncop><NARROW>): Remove.
 206         (arm_sync_old_nand<SIDI>): Remove.
 207         (arm_sync_old_nand<NARROW>): Remove.
 208         (*memory_barrier): Merge arm_output_memory_barrier.
 209         (atomic_compare_and_swap<QHSD>): New.
 210         (atomic_compare_and_swap<NARROW>_1): New.
 211         (atomic_compare_and_swap<SIDI>_1): New.
 212         (atomic_exchange<QHSD>): New.
 213         (cas_cmp_operand, cas_cmp_str): New.
 214         (atomic_op_operand, atomic_op_str): New.
 215         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 216         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 217         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 218         (arm_load_exclusive<NARROW>): New.
 219         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 220         (arm_store_exclusive<QHSD>): New.
 221
 222 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 223
 224         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 225         reload patterns if -mvsx-scalar-memory.
 226
 227         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 228         generated, even -mno-vsx-scalar-double was used.
 229         (vsx_xscvdpsp_scalar): Likewise.
 230         (vsx_xscvspdp_scalar2): Likewise.
 231
 232 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 233             Andrew Pinski  <apinski@cavium.com>
 234
 235         PR debug/51471
 236         * reorg.c (fill_slots_from_thread): Don't speculate
 237         frame-related insns.
 238
 239 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 240
 241         * sched-int.h (bb_note): Move to...
 242         * basic-block.h: ...here.
 243         * haifa-sched.c (bb_note): Move to...
 244         * cfgrtl.c: ...here.
 245         * function.c (next_block_for_reg): New function.
 246         (move_insn_for_shrink_wrap): Likewise.
 247         (prepare_shrink_wrap): Rewrite to use the above.
 248
 249 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 250
 251         * gimple.c (is_gimple_non_addressable): Remove.
 252         * gimple.h: Remove is_gimple_non_addressable.
 253         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 254         is_gimple_non_addressable.
 255         * trans-mem.c (expand_assign_tm): Same.
 256
 257 2012-01-09  Richard Guenther  <rguenther@suse.de>
 258
 259         PR tree-optimization/51775
 260         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 261         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 262
 263 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 264
 265         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 266         tuning parameters.
 267         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 268
 269 2012-01-09  Richard Guenther  <rguenther@suse.de>
 270
 271         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 272
 273 2012-01-08  Jan Hubicka  <jh@suse.cz>
 274
 275         PR tree-optimize/51680
 276         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 277         on when known_vals needs to be computed; cleanup.
 278
 279 2012-01-08  Jan Hubicka  <jh@suse.cz>
 280
 281         PR tree-optimize/51694
 282         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 283
 284 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 285
 286         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 287         for -std=c++98 and -std=c++11 too.
 288
 289 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 290
 291         * cfgloop.c (cancel_loop): Add free() of bbs array.
 292
 293 2012-01-07  Jan Hubicka  <jh@suse.cz>
 294
 295         PR tree-optimization/51600
 296         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 297         that benefits small functions.
 298
 299 2012-01-07  Jan Hubicka  <jh@suse.cz>
 300
 301         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 302
 303 2012-01-07  Jan Hubicka  <jh@suse.cz>
 304
 305         PR tree-optimization/51680
 306         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 307         whose inlining reduce unit size.
 308
 309 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 310
 311         PR bootstrap/51725
 312         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 313         Add canonical node to containing_mem chain after the non-canonical
 314         one, even if there weren't any locs to propagate.
 315         (remove_useless_values): Keep only canonical values.
 316         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 317         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 318         canonicalize mem_chain elements that are not discarded.
 319
 320 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 321
 322         PR target/47333
 323         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 324         before emitting functions.
 325
 326         PR gcov-profile/50127
 327         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 328         clear_aux_for_blocks.
 329
 330 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 331
 332         PR debug/51746
 333         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 334
 335 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 336
 337         * c-decl.c (ext_block): Moved up.
 338         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 339
 340 2012-01-06  Han Shen  <shenhan@google.com>
 341
 342         Translate built-in include paths for sysroot.
 343         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 344         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 345
 346         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 347         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 348
 349         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 350         control whether sysroot should be prepended to gxx include dir.
 351
 352         * configure: Regenerate.
 353
 354 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 355
 356         PR rtl-optimization/51771
 357         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 358         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 359
 360 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 361
 362         PR tree-optimization/51315
 363         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 364         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 365
 366 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 367
 368         PR target/51681
 369         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 370         for shrp pattern.  Correctly handle and fixup shift variable.
 371         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 372
 373 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 374
 375         PR debug/51762
 376         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 377         note when !ACCUMULATE_OUTGOING_ARGS.
 378
 379 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 380
 381         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 382         condition.
 383         (extract_range_from_unary_expr_1): Avoid useless computations.
 384
 385 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 386
 387         PR rtl-optimization/51767
 388         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 389         of jump_block and add an extra edge for degenerated asm gotos.
 390
 391         PR middle-end/51768
 392         * stmt.c (check_unique_operand_names): Don't ICE during error
 393         reporting if i is from labels chain.
 394
 395         PR middle-end/44777
 396         * profile.c (branch_prob): Split bbs that have exit edge
 397         and need a fake entry edge too.
 398
 399 2012-01-05  Jan Hubicka  <jh@suse.cz>
 400
 401         PR middle-end/49710
 402         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 403         unlooping loops.
 404
 405 2012-01-05  Richard Guenther  <rguenther@suse.de>
 406
 407         PR lto/50490
 408         * tree-streamer-out.c (write_ts_optimization): New function.
 409         (streamer_write_tree_body): Call it.
 410         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 411         (streamer_read_tree_body): Call it.
 412         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 413
 414 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 415
 416         PR middle-end/51761
 417         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 418         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 419         in_cleanup_point_expr before gimplify_stmt call and restore it
 420         afterwards.
 421         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 422         in_cleanup_point_expr is false.
 423
 424 2012-01-05  Richard Guenther  <rguenther@suse.de>
 425
 426         PR middle-end/51764
 427         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 428         to c.opt.
 429         * toplev.c (process_options): Reject combining mudflap and LTO.
 430         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 431
 432 2012-01-05  Richard Guenther  <rguenther@suse.de>
 433
 434         PR tree-optimization/51760
 435         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 436         not VARYING.
 437         (bit_value_unop): Handle UNDEFINED operands.
 438         (bit_value_binop): Likewise.
 439
 440 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 441
 442         * config/avr/avr.c (avr_replace_prefix): Remove.
 443         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 444         (avr_asm_function_rodata_section): Ditto.
 445         (avr_asm_select_section): Ditto.
 446
 447 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 448
 449         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 450         insertion.
 451
 452 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 453
 454         PR bootstrap/51648
 455         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 456         calls that have any non-fake successor edges.
 457
 458         PR debug/51746
 459         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 460
 461 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 462
 463         PR tree-optimization/51624
 464         * tree-sra.c (build_ref_for_model): When replicating a chain of
 465         COMPONENT_REFs, stop as soon as the offset would become negative.
 466
 467 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 468
 469         PR debug/51695
 470         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 471         in .debug_loc on the floor.
 472
 473 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 474
 475         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 476
 477 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 478             Adam Nemet  <anemet@caviumnetworks.com>
 479
 480         * config/mips/mips.md (size): Add SI and DI.
 481         (SIZE): New mode attribute.
 482         (U): New code attribute.
 483         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 484         (mips_lbux_<mode>): Delete.
 485         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 486         (mips_lhx): Use gen_mips_lhx_extsi.
 487         (mips_lhx_<mode>): Delete.
 488         (mips_lwx): Delete.
 489         (mips_l<size>x): New expand.
 490         (mips_lwx_<mode>): Delete.
 491         (mips_l<GPR:size>x_<P:mode>): New pattern.
 492         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 493         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 494         * config/mips/mips.c (mips_lx_address_p): New function.
 495         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 496         (dsp64): New availability predicate.
 497         (mips_builtins): Add an entry for __builtin_mips_ldx.
 498         * config/mips/mips.h (ISA_HAS_LBX): New define.
 499         (ISA_HAS_LBUX): Likewise.
 500         (ISA_HAS_LHX): Likewise.
 501         (ISA_HAS_LHUX): Likewise.
 502         (ISA_HAS_LWX): Likewise.
 503         (ISA_HAS_LWUX): Likewise.
 504         (ISA_HAS_LDX): Likewise.
 505         * doc/extend.texi (__builtin_mips_ldx): Document.
 506
 507 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 508
 509         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 510         when long pointers are used.
 511         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 512         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 513         (ia64-hp-*vms*): Remove.
 514         * config/vms/xm-vms64.h: Delete.
 515
 516 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 517
 518         PR middle-end/51472
 519         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 520
 521 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 522
 523         * opts.c (finish_options): Remove duplicate sorry.
 524
 525 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 526
 527         PR middle-end/51696
 528         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 529         correctly.
 530
 531 2012-01-04  Richard Guenther  <rguenther@suse.de>
 532
 533         PR middle-end/51750
 534         * tree.c (size_low_cst): New function.
 535         * tree.h (size_low_cst): Declare.
 536         * fold-const.c (fold_comparison): Use it to extract the low
 537         part of the POINTER_PLUS_EXPR offset.
 538
 539 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 540
 541         Fix clearing ZERO_REG
 542         * config/avr/avr.md (cc): Add alternative "ldi".
 543         (movqi_insn): Use it in cc attribute.
 544         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 545         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 546         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 547
 548 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 549
 550         * configure: Regenerate.
 551
 552 2012-01-04  Richard Guenther  <rguenther@suse.de>
 553
 554         PR tree-optimization/49651
 555         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 556         (var_can_have_subvars): Use it.
 557         (get_constraint_for_1): Only consider subfields if there can be any.
 558
 559 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 560
 561         PR bootstrap/51725
 562         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 563         to its new canonical_cselib_val and the cselib_val was in
 564         first_containing_mem chain, but the canonical_cselib_val was not,
 565         add the latter into the chain.
 566         (cselib_invalidate_mem): Compare canonical_cselib_val of
 567         addr_list chain elt with v.
 568
 569         PR pch/51722
 570         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 571         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 572         of xstrdup.
 573         (output_macinfo_op): Don't ggc_strdup fd->filename.
 574         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 575         then ggc_strdup it.  Don't free inc->info or cur->info.
 576         (output_macinfo): Don't free ref->info or file->info.
 577
 578 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 579
 580         PR tree-optimization/51269
 581         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 582         first_niters a pointer.
 583         (slpeel_tree_peel_loop_to_edge): Likewise.
 584         (vect_do_peeling_for_loop_bound): Update call to
 585         slpeel_tree_peel_loop_to_edge.
 586         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 587         here.  Remove it from the parameters list.
 588         (vect_do_peeling_for_alignment): Update calls and compute
 589         wide_prolog_niters.
 590
 591 2012-01-03  Richard Guenther  <rguenther@suse.de>
 592
 593         PR tree-optimization/51070
 594         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 595         Properly handle calls.
 596
 597 2012-01-03  Richard Guenther  <rguenther@suse.de>
 598
 599         PR tree-optimization/51692
 600         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 601         the LHS of allocation stmts.
 602
 603 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 604
 605         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 606
 607 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 608
 609         * collect2.c (main): In AIX specific computations for vector
 610         insertions, use CONST_CAST2 to cast from char ** to const char **.
 611
 612 2012-01-03  Richard Guenther  <rguenther@suse.de>
 613
 614         PR debug/51650
 615         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 616         the context of a limbo DIE when it does not already exist.
 617
 618 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 619
 620         PR tree-optimization/51719
 621         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 622         but direct call is, clear direct call's lhs and don't add fallthrough
 623         edge from dcall_bb to join_bb and PHIs.
 624
 625 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 626
 627         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 628         the instructions emitted by the pattern.
 629         ("*TDC_insn_<mode>"): Add comment.
 630
 631 2012-01-03  Richard Guenther  <rguenther@suse.de>
 632
 633         PR middle-end/51730
 634         * fold-const.c (fold_comparison): Properly canonicalize
 635         tree offset and HOST_WIDE_INT bit position.
 636
 637 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 638
 639         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 640         operands for extzv pattern.
 641
 642 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 643
 644         PR bootstrap/51725
 645         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 646         on mem_elt first.
 647
 648 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 649
 650         * doc/invoke.texi (-flto and related options): Copy-edit.
 651
 652 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 653
 654         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 655
 656 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 657
 658         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 659         New patterns.
 660
 661 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 662
 663         * expr.h (move_by_pieces_ninsns): Declare.
 664         * expr.c (move_by_pieces_ninsns): Make external.
 665         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 666         (mips_store_by_pieces_p): Likewise.
 667         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 668         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 669         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 670         (mips_store_by_pieces_p): Likewise.
 671
 672 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 673
 674         * passes.c (register_one_dump_file): Free full_name.
 675
 676         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 677         (calculate_elim_costs_all_insns): Free offsets_at and
 678         offsets_known_at at the end and clear the pointers.
 679
 680 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 681
 682         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 683         this option introduced in r180739.
 684
 685 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 686
 687         PR target/51345
 688         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 689         (tmake_file target=avr): Add avr/t-multilib.
 690
 691         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 692         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 693         * config/avr/genmultilib.awk: New file.
 694         * config/avr/t-multilib: New auto-generated file.
 695         * config/avr/multilib.h: New auto-generated file.
 696         * config/avr/t-avr (AVR_MCUS): New variable.
 697         (genopt.sh): Use it.
 698         (s-mlib): Depend on t-multilib.
 699         (t-multilib, multilib.h): New dependencies.
 700         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 701         (MULTILIB_OPTIONS): Remove.
 702         (MULTILIB_MATCHES): Remove.
 703         (MULTILIB_DIRNAMES): Remove.
 704         (MULTILIB_EXCEPTIONS): Remove:
 705         * config/avr/genopt.sh: Don't use hard coded file name;
 706         pass AVR_MCUS from t-avr instead.
 707
 708 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 709
 710         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 711
 712 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 713
 714         Implement light-weight DImode support.
 715         * config/avr/avr-dimode.md: New file.
 716         * config/avr/avr.md: Include it.
 717         (adjust_len): Add plus64, compare64.
 718         (HIDI): Remove code iterator.
 719         (code_stdname): New code attribute.
 720         (rotx, rotsmode): Remove DI.
 721         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 722         as code iterator.
 723         * config/avr/avr-protos.h (avr_have_dimode): New.
 724         (avr_out_plus64, avr_out_compare64): New.
 725         * config/avr/avr.c (avr_out_compare): Handle DImode.
 726         (avr_have_dimode): New variable definition and initialization.
 727         (avr_out_compare64, avr_out_plus64): New functions.
 728         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 729         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 730         (avr_compare_pattern): Skip DImode comparisons.
 731
 732 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 733
 734         * ddg.c (def_has_ccmode_p): New function.
 735         (add_cross_iteration_register_deps,
 736         create_ddg_dep_from_intra_loop_link): Call it.
 737
 738 2012-01-02  Richard Guenther  <rguenther@suse.de>
 739
 740         PR other/51679
 741         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 742
 743 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 744
 745         * gcc.c (process_command): Update copyright notice dates.
 746         * gcov.c (print_version): Likewise.
 747         * gcov-dump.c (print_version): Likewise.
 748         * mips-tfile.c (main): Likewise.
 749         * mips-tdump.c (main): Likewise.
 750
 751 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 752
 753         PR tree-optimization/51704
 754         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 755         a use is inside the basic block or loop before accessing its vect info.
 756
 757 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 758
 759         PR rtl-optimization/51069
 760         * cfgloopmanip.c (remove_path): Removing path making irreducible
 761         region unconditional makes BB part of the region.
 762
 763 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 764
 765         PR tree-optimization/51683
 766         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
 767         calls with side-effects.
 768         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
 769 \f
 770 Copyright (C) 2012 Free Software Foundation, Inc.
 771
 772 Copying and distribution of this file, with or without modification,
 773 are permitted in any medium without royalty provided the copyright
 774 notice and this notice are preserved.