gcc/ChangeLog

   1 2012-01-11  Nathan Sidwell  <nathan@acm.org>
   2
   3         * gcov.c (STRING_SIZE): Remove.
   4         (generate_results): Erase annotations for source files with no
   5         coverage information.
   6         (read_line): New.
   7         (output_lines): Use it.
   8
   9 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
  10
  11         * gimple.h (gimplify_body): Remove first argument.
  12         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
  13         pointer set here, instead just pass DATA to walk_tree.
  14         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
  15         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
  16         (unvisit_body): Likewise, but with unmark_visited.
  17         (gimplify_body): Remove BODY_P argument and adjust.
  18         (gimplify_function_tree): Adjust call to gimplify_body.
  19         * omp-low.c (finalize_task_copyfn): Likewise.
  20
  21 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
  22
  23         * tree.h (build_function_decl_skip_args): Add boolean parameter.
  24         (build_function_type_skip_args): Delete.
  25         * tree.c (build_function_type_skip_args): Make static and add
  26         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
  27         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
  28         pass it to build_function_type_skip_args.
  29         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
  30         (tree_function_versioning): Likewise.
  31         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
  32         build_function_decl_skip_args.
  33         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
  34         and pass it to build_function_decl_skip_args/tree_function_versioning.
  35         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
  36         * ipa-inline-transform.c (save_inline_function_body): Likewise.
  37         * trans-mem.c (ipa_tm_create_version): Likewise.
  38         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
  39         * tree-inline.c (declare_return_variable): Remove always-true test.
  40         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
  41         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
  42         * ipa-split.c (split_function): Skip the return value for the split
  43         part if it doesn't return.
  44
  45 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  46
  47         PR tree-optimization/49642
  48         * ipa-split.c (forbidden_dominators): New variable.
  49         (check_forbidden_calls): New function.
  50         (dominated_by_forbidden): Likewise.
  51         (consider_split): Check for forbidden dominators.
  52         (execute_split_functions): Initialize and free forbidden
  53         dominators info; call check_forbidden_calls.
  54
  55 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  56
  57         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
  58
  59 2012-01-11  Nick Clifton  <nickc@redhat.com>
  60
  61         * config/rx/rx.md (return): Define pattern.
  62
  63 2012-01-11  Richard Guenther  <rguenther@suse.de>
  64
  65         * doc/extend.texi (malloc attribute): Adjust according to
  66         implementation.
  67
  68 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
  69             Patrick Marlier  <patrick.marlier@gmail.com>
  70
  71         PR middle-end/51516
  72         * trans-mem.c (get_cg_data): Traverse aliases if requested.
  73         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
  74         (ipa_tm_note_irrevocable): Same.
  75         (ipa_tm_scan_irr_block): Same.
  76         (ipa_tm_decrement_clone_counts): Same.
  77         (ipa_tm_scan_irr_function): Same.
  78         (ipa_tm_create_version_alias): Same.
  79         (ipa_tm_create_version): Same.
  80         (ipa_tm_transform_calls_redirect): Same.
  81         (ipa_tm_transform_calls): Same.
  82         (ipa_tm_transform_transaction): Same.
  83         (ipa_tm_execute): Same.
  84
  85 2012-01-10  Richard Guenther  <rguenther@suse.de>
  86
  87         PR middle-end/51806
  88         * opts.c (common_handle_option): Handle -Werror.
  89
  90 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
  91
  92         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
  93         operand number.
  94
  95 2012-01-10  Jason Merrill  <jason@redhat.com>
  96
  97         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
  98         information.
  99
 100 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 101
 102         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 103         supports R_386_TLS_GD_PLT reloc.
 104         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 105         supports R_386_TLS_LDM_PLT reloc.
 106         * configure: Regenerate.
 107         * config.in: Regenerate.
 108
 109 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 110
 111         PR target/49868
 112         Extend __pgmx semantics to linearize memory.
 113         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 114         determine if code comes inline or from libgcc.
 115         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 116         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 117         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 118         (movmemx_qi, movmemx_hi): New insns.
 119         (xload_<mode>_libgcc): Rewrite to new insn condition.
 120         (xload_<mode>): Remove insns.
 121         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 122         cases that don't satisfy avr_xload_libgcc_p().
 123         (avr_addr_space_convert): Allow converting in any direction.
 124         (avr_addr_space_subset_p): Return always true.
 125         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 126         (avr_emit_movmemhi): Ditto.
 127         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 128         (avr_out_movmem): Ditto.
 129         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 130         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 131         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 132         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 133         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 134
 135 2012-01-10  Richard Guenther  <rguenther@suse.de>
 136
 137         PR tree-optimization/50913
 138         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 139         Require data-refs to be representable by Graphite with respect
 140         to any loop nest.
 141
 142 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 143
 144         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 145         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 146
 147 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 148
 149         PR rtl-optimization/51271
 150         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 151         handling annulled branch.
 152
 153 2012-01-10  Richard Henderson  <rth@redhat.com>
 154
 155         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 156         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 157         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 158         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 159         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 160         arm_expand_vec_perm_const): New.
 161         * config/arm/arm-protos.h: Update.
 162         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 163         (*neon_vswp<VDQX>): New.
 164         (neon_vcombine<VDX>): Use neon_split_vcombine.
 165         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 166         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 167         (vec_perm<VE>): New.
 168
 169 2012-01-10  Richard Henderson  <rth@redhat.com>
 170
 171         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 172         use it if reload_completed.
 173         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 174         arm_output_asm_insn, arm_process_output_memory_barrier,
 175         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 176         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 177         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 178         arm_process_output_sync_insn, arm_output_sync_insn,
 179         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 180         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 181         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 182         (emit_unlikely_jump): New.
 183         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 184         (arm_split_atomic_op): New.
 185         * config/arm/arm-protos.h: Update.
 186         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 187         (struct arm_sync_generator): Remove.
 188         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 189         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 190         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 191         (VUNSPEC_LL, VUNSPEC_SC): New.
 192         (sync_result, sync_memory, sync_required_value, sync_new_value,
 193         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 194         (attr length): Don't use arm_sync_loop_insns.
 195         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 196         (movsfcc, movdfcc): Likewise.
 197         * config/arm/constraints.md (Ua): New.
 198         * config/arm/prediates.md (mem_noofs_operand): New.
 199         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 200         (sync_clobber, sync_t2_reqd): Remove.
 201         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 202         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 203         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 204         (arm_sync_compare_and_swap<SIDI>): Remove.
 205         (arm_sync_compare_and_swap<NARROW>): Remove.
 206         (arm_sync_lock_test_and_set<SIDI>): Remove.
 207         (arm_sync_lock_test_and_set<NARROW>): Remove.
 208         (arm_sync_new_<syncop><SIDI>): Remove.
 209         (arm_sync_new_<syncop><NARROW>): Remove.
 210         (arm_sync_new_nand<SIDI>): Remove.
 211         (arm_sync_new_nand<NARROW>): Remove.
 212         (arm_sync_old_<syncop><SIDI>): Remove.
 213         (arm_sync_old_<syncop><NARROW>): Remove.
 214         (arm_sync_old_nand<SIDI>): Remove.
 215         (arm_sync_old_nand<NARROW>): Remove.
 216         (*memory_barrier): Merge arm_output_memory_barrier.
 217         (atomic_compare_and_swap<QHSD>): New.
 218         (atomic_compare_and_swap<NARROW>_1): New.
 219         (atomic_compare_and_swap<SIDI>_1): New.
 220         (atomic_exchange<QHSD>): New.
 221         (cas_cmp_operand, cas_cmp_str): New.
 222         (atomic_op_operand, atomic_op_str): New.
 223         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 224         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 225         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 226         (arm_load_exclusive<NARROW>): New.
 227         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 228         (arm_store_exclusive<QHSD>): New.
 229
 230 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 231
 232         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 233         reload patterns if -mvsx-scalar-memory.
 234
 235         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 236         generated, even -mno-vsx-scalar-double was used.
 237         (vsx_xscvdpsp_scalar): Likewise.
 238         (vsx_xscvspdp_scalar2): Likewise.
 239
 240 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 241             Andrew Pinski  <apinski@cavium.com>
 242
 243         PR debug/51471
 244         * reorg.c (fill_slots_from_thread): Don't speculate
 245         frame-related insns.
 246
 247 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 248
 249         * sched-int.h (bb_note): Move to...
 250         * basic-block.h: ...here.
 251         * haifa-sched.c (bb_note): Move to...
 252         * cfgrtl.c: ...here.
 253         * function.c (next_block_for_reg): New function.
 254         (move_insn_for_shrink_wrap): Likewise.
 255         (prepare_shrink_wrap): Rewrite to use the above.
 256
 257 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 258
 259         * gimple.c (is_gimple_non_addressable): Remove.
 260         * gimple.h: Remove is_gimple_non_addressable.
 261         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 262         is_gimple_non_addressable.
 263         * trans-mem.c (expand_assign_tm): Same.
 264
 265 2012-01-09  Richard Guenther  <rguenther@suse.de>
 266
 267         PR tree-optimization/51775
 268         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 269         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 270
 271 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 272
 273         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 274         tuning parameters.
 275         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 276
 277 2012-01-09  Richard Guenther  <rguenther@suse.de>
 278
 279         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 280
 281 2012-01-08  Jan Hubicka  <jh@suse.cz>
 282
 283         PR tree-optimize/51680
 284         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 285         on when known_vals needs to be computed; cleanup.
 286
 287 2012-01-08  Jan Hubicka  <jh@suse.cz>
 288
 289         PR tree-optimize/51694
 290         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 291
 292 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 293
 294         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 295         for -std=c++98 and -std=c++11 too.
 296
 297 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 298
 299         * cfgloop.c (cancel_loop): Add free() of bbs array.
 300
 301 2012-01-07  Jan Hubicka  <jh@suse.cz>
 302
 303         PR tree-optimization/51600
 304         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 305         that benefits small functions.
 306
 307 2012-01-07  Jan Hubicka  <jh@suse.cz>
 308
 309         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 310
 311 2012-01-07  Jan Hubicka  <jh@suse.cz>
 312
 313         PR tree-optimization/51680
 314         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 315         whose inlining reduce unit size.
 316
 317 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 318
 319         PR bootstrap/51725
 320         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 321         Add canonical node to containing_mem chain after the non-canonical
 322         one, even if there weren't any locs to propagate.
 323         (remove_useless_values): Keep only canonical values.
 324         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 325         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 326         canonicalize mem_chain elements that are not discarded.
 327
 328 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 329
 330         PR target/47333
 331         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 332         before emitting functions.
 333
 334         PR gcov-profile/50127
 335         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 336         clear_aux_for_blocks.
 337
 338 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 339
 340         PR debug/51746
 341         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 342
 343 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 344
 345         * c-decl.c (ext_block): Moved up.
 346         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 347
 348 2012-01-06  Han Shen  <shenhan@google.com>
 349
 350         Translate built-in include paths for sysroot.
 351         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 352         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 353
 354         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 355         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 356
 357         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 358         control whether sysroot should be prepended to gxx include dir.
 359
 360         * configure: Regenerate.
 361
 362 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 363
 364         PR rtl-optimization/51771
 365         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 366         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 367
 368 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 369
 370         PR tree-optimization/51315
 371         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 372         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 373
 374 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 375
 376         PR target/51681
 377         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 378         for shrp pattern.  Correctly handle and fixup shift variable.
 379         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 380
 381 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 382
 383         PR debug/51762
 384         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 385         note when !ACCUMULATE_OUTGOING_ARGS.
 386
 387 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 388
 389         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 390         condition.
 391         (extract_range_from_unary_expr_1): Avoid useless computations.
 392
 393 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 394
 395         PR rtl-optimization/51767
 396         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 397         of jump_block and add an extra edge for degenerated asm gotos.
 398
 399         PR middle-end/51768
 400         * stmt.c (check_unique_operand_names): Don't ICE during error
 401         reporting if i is from labels chain.
 402
 403         PR middle-end/44777
 404         * profile.c (branch_prob): Split bbs that have exit edge
 405         and need a fake entry edge too.
 406
 407 2012-01-05  Jan Hubicka  <jh@suse.cz>
 408
 409         PR middle-end/49710
 410         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 411         unlooping loops.
 412
 413 2012-01-05  Richard Guenther  <rguenther@suse.de>
 414
 415         PR lto/50490
 416         * tree-streamer-out.c (write_ts_optimization): New function.
 417         (streamer_write_tree_body): Call it.
 418         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 419         (streamer_read_tree_body): Call it.
 420         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 421
 422 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 423
 424         PR middle-end/51761
 425         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 426         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 427         in_cleanup_point_expr before gimplify_stmt call and restore it
 428         afterwards.
 429         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 430         in_cleanup_point_expr is false.
 431
 432 2012-01-05  Richard Guenther  <rguenther@suse.de>
 433
 434         PR middle-end/51764
 435         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 436         to c.opt.
 437         * toplev.c (process_options): Reject combining mudflap and LTO.
 438         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 439
 440 2012-01-05  Richard Guenther  <rguenther@suse.de>
 441
 442         PR tree-optimization/51760
 443         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 444         not VARYING.
 445         (bit_value_unop): Handle UNDEFINED operands.
 446         (bit_value_binop): Likewise.
 447
 448 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 449
 450         * config/avr/avr.c (avr_replace_prefix): Remove.
 451         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 452         (avr_asm_function_rodata_section): Ditto.
 453         (avr_asm_select_section): Ditto.
 454
 455 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 456
 457         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 458         insertion.
 459
 460 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 461
 462         PR bootstrap/51648
 463         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 464         calls that have any non-fake successor edges.
 465
 466         PR debug/51746
 467         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 468
 469 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 470
 471         PR tree-optimization/51624
 472         * tree-sra.c (build_ref_for_model): When replicating a chain of
 473         COMPONENT_REFs, stop as soon as the offset would become negative.
 474
 475 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 476
 477         PR debug/51695
 478         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 479         in .debug_loc on the floor.
 480
 481 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 482
 483         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 484
 485 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 486             Adam Nemet  <anemet@caviumnetworks.com>
 487
 488         * config/mips/mips.md (size): Add SI and DI.
 489         (SIZE): New mode attribute.
 490         (U): New code attribute.
 491         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 492         (mips_lbux_<mode>): Delete.
 493         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 494         (mips_lhx): Use gen_mips_lhx_extsi.
 495         (mips_lhx_<mode>): Delete.
 496         (mips_lwx): Delete.
 497         (mips_l<size>x): New expand.
 498         (mips_lwx_<mode>): Delete.
 499         (mips_l<GPR:size>x_<P:mode>): New pattern.
 500         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 501         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 502         * config/mips/mips.c (mips_lx_address_p): New function.
 503         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 504         (dsp64): New availability predicate.
 505         (mips_builtins): Add an entry for __builtin_mips_ldx.
 506         * config/mips/mips.h (ISA_HAS_LBX): New define.
 507         (ISA_HAS_LBUX): Likewise.
 508         (ISA_HAS_LHX): Likewise.
 509         (ISA_HAS_LHUX): Likewise.
 510         (ISA_HAS_LWX): Likewise.
 511         (ISA_HAS_LWUX): Likewise.
 512         (ISA_HAS_LDX): Likewise.
 513         * doc/extend.texi (__builtin_mips_ldx): Document.
 514
 515 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 516
 517         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 518         when long pointers are used.
 519         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 520         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 521         (ia64-hp-*vms*): Remove.
 522         * config/vms/xm-vms64.h: Delete.
 523
 524 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 525
 526         PR middle-end/51472
 527         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 528
 529 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 530
 531         * opts.c (finish_options): Remove duplicate sorry.
 532
 533 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 534
 535         PR middle-end/51696
 536         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 537         correctly.
 538
 539 2012-01-04  Richard Guenther  <rguenther@suse.de>
 540
 541         PR middle-end/51750
 542         * tree.c (size_low_cst): New function.
 543         * tree.h (size_low_cst): Declare.
 544         * fold-const.c (fold_comparison): Use it to extract the low
 545         part of the POINTER_PLUS_EXPR offset.
 546
 547 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 548
 549         Fix clearing ZERO_REG
 550         * config/avr/avr.md (cc): Add alternative "ldi".
 551         (movqi_insn): Use it in cc attribute.
 552         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 553         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 554         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 555
 556 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 557
 558         * configure: Regenerate.
 559
 560 2012-01-04  Richard Guenther  <rguenther@suse.de>
 561
 562         PR tree-optimization/49651
 563         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 564         (var_can_have_subvars): Use it.
 565         (get_constraint_for_1): Only consider subfields if there can be any.
 566
 567 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 568
 569         PR bootstrap/51725
 570         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 571         to its new canonical_cselib_val and the cselib_val was in
 572         first_containing_mem chain, but the canonical_cselib_val was not,
 573         add the latter into the chain.
 574         (cselib_invalidate_mem): Compare canonical_cselib_val of
 575         addr_list chain elt with v.
 576
 577         PR pch/51722
 578         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 579         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 580         of xstrdup.
 581         (output_macinfo_op): Don't ggc_strdup fd->filename.
 582         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 583         then ggc_strdup it.  Don't free inc->info or cur->info.
 584         (output_macinfo): Don't free ref->info or file->info.
 585
 586 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 587
 588         PR tree-optimization/51269
 589         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 590         first_niters a pointer.
 591         (slpeel_tree_peel_loop_to_edge): Likewise.
 592         (vect_do_peeling_for_loop_bound): Update call to
 593         slpeel_tree_peel_loop_to_edge.
 594         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 595         here.  Remove it from the parameters list.
 596         (vect_do_peeling_for_alignment): Update calls and compute
 597         wide_prolog_niters.
 598
 599 2012-01-03  Richard Guenther  <rguenther@suse.de>
 600
 601         PR tree-optimization/51070
 602         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 603         Properly handle calls.
 604
 605 2012-01-03  Richard Guenther  <rguenther@suse.de>
 606
 607         PR tree-optimization/51692
 608         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 609         the LHS of allocation stmts.
 610
 611 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 612
 613         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 614
 615 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 616
 617         * collect2.c (main): In AIX specific computations for vector
 618         insertions, use CONST_CAST2 to cast from char ** to const char **.
 619
 620 2012-01-03  Richard Guenther  <rguenther@suse.de>
 621
 622         PR debug/51650
 623         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 624         the context of a limbo DIE when it does not already exist.
 625
 626 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 627
 628         PR tree-optimization/51719
 629         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 630         but direct call is, clear direct call's lhs and don't add fallthrough
 631         edge from dcall_bb to join_bb and PHIs.
 632
 633 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 634
 635         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 636         the instructions emitted by the pattern.
 637         ("*TDC_insn_<mode>"): Add comment.
 638
 639 2012-01-03  Richard Guenther  <rguenther@suse.de>
 640
 641         PR middle-end/51730
 642         * fold-const.c (fold_comparison): Properly canonicalize
 643         tree offset and HOST_WIDE_INT bit position.
 644
 645 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 646
 647         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 648         operands for extzv pattern.
 649
 650 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 651
 652         PR bootstrap/51725
 653         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 654         on mem_elt first.
 655
 656 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 657
 658         * doc/invoke.texi (-flto and related options): Copy-edit.
 659
 660 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 661
 662         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 663
 664 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 665
 666         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 667         New patterns.
 668
 669 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 670
 671         * expr.h (move_by_pieces_ninsns): Declare.
 672         * expr.c (move_by_pieces_ninsns): Make external.
 673         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 674         (mips_store_by_pieces_p): Likewise.
 675         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 676         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 677         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 678         (mips_store_by_pieces_p): Likewise.
 679
 680 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 681
 682         * passes.c (register_one_dump_file): Free full_name.
 683
 684         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 685         (calculate_elim_costs_all_insns): Free offsets_at and
 686         offsets_known_at at the end and clear the pointers.
 687
 688 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 689
 690         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 691         this option introduced in r180739.
 692
 693 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 694
 695         PR target/51345
 696         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 697         (tmake_file target=avr): Add avr/t-multilib.
 698
 699         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 700         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 701         * config/avr/genmultilib.awk: New file.
 702         * config/avr/t-multilib: New auto-generated file.
 703         * config/avr/multilib.h: New auto-generated file.
 704         * config/avr/t-avr (AVR_MCUS): New variable.
 705         (genopt.sh): Use it.
 706         (s-mlib): Depend on t-multilib.
 707         (t-multilib, multilib.h): New dependencies.
 708         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 709         (MULTILIB_OPTIONS): Remove.
 710         (MULTILIB_MATCHES): Remove.
 711         (MULTILIB_DIRNAMES): Remove.
 712         (MULTILIB_EXCEPTIONS): Remove:
 713         * config/avr/genopt.sh: Don't use hard coded file name;
 714         pass AVR_MCUS from t-avr instead.
 715
 716 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 717
 718         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 719
 720 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 721
 722         Implement light-weight DImode support.
 723         * config/avr/avr-dimode.md: New file.
 724         * config/avr/avr.md: Include it.
 725         (adjust_len): Add plus64, compare64.
 726         (HIDI): Remove code iterator.
 727         (code_stdname): New code attribute.
 728         (rotx, rotsmode): Remove DI.
 729         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 730         as code iterator.
 731         * config/avr/avr-protos.h (avr_have_dimode): New.
 732         (avr_out_plus64, avr_out_compare64): New.
 733         * config/avr/avr.c (avr_out_compare): Handle DImode.
 734         (avr_have_dimode): New variable definition and initialization.
 735         (avr_out_compare64, avr_out_plus64): New functions.
 736         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 737         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 738         (avr_compare_pattern): Skip DImode comparisons.
 739
 740 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 741
 742         * ddg.c (def_has_ccmode_p): New function.
 743         (add_cross_iteration_register_deps,
 744         create_ddg_dep_from_intra_loop_link): Call it.
 745
 746 2012-01-02  Richard Guenther  <rguenther@suse.de>
 747
 748         PR other/51679
 749         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 750
 751 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 752
 753         * gcc.c (process_command): Update copyright notice dates.
 754         * gcov.c (print_version): Likewise.
 755         * gcov-dump.c (print_version): Likewise.
 756         * mips-tfile.c (main): Likewise.
 757         * mips-tdump.c (main): Likewise.
 758
 759 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 760
 761         PR tree-optimization/51704
 762         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 763         a use is inside the basic block or loop before accessing its vect info.
 764
 765 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 766
 767         PR rtl-optimization/51069
 768         * cfgloopmanip.c (remove_path): Removing path making irreducible
 769         region unconditional makes BB part of the region.
 770
 771 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 772
 773         PR tree-optimization/51683
 774         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
 775         calls with side-effects.
 776         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
 777 \f
 778 Copyright (C) 2012 Free Software Foundation, Inc.
 779
 780 Copying and distribution of this file, with or without modification,
 781 are permitted in any medium without royalty provided the copyright
 782 notice and this notice are preserved.