gcc/ChangeLog

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