gcc/ChangeLog

   1 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
   2
   3         * trans-mem.c (requires_barrier): Remove call to is_global_var.
   4
   5 2012-01-18  Richard Guenther  <rguenther@suse.de>
   6
   7         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
   8         of conversions to void *.
   9
  10 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  11             Richard Sandiford  <rdsandiford@googlemail.com>
  12
  13         PR middle-end/50325
  14         PR middle-end/51192
  15         * optabs.h (simplify_expand_binop): Declare.
  16         * optabs.c (simplify_expand_binop): Make global.
  17         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
  18         endian targets if the source cannot be exactly covered by word
  19         mode chunks.
  20
  21 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
  22
  23         PR bootstrap/51872
  24         * hard-reg-set.h (struct hard_reg_set_container): New type.
  25         * target.h (struct hard_reg_set_container): Forward declare.
  26         * target.def (set_up_by_prologue): New target hook.
  27         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
  28         * doc/tm.texi: Regenerated.
  29         * function.c (thread_prologue_and_epilogue_insns): Change
  30         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
  31         Call targetm.set_up_by_prologue on it.
  32         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
  33         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
  34
  35 2012-01-17  Nick Clifton  <nickc@redhat.com>
  36
  37         * config/rx/rx.c (rx_can_use_simple_return): New function.
  38         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
  39         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
  40
  41 2012-01-17  Richard Guenther  <rguenther@suse.de>
  42
  43         PR middle-end/51782
  44         * expr.c (expand_assignment): Take address-space information
  45         from the address operand of MEM_REF and TARGET_MEM_REF.
  46         (expand_expr_real_1): Likewise.
  47
  48 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  49
  50         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
  51         reload dump is requested.
  52
  53 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
  54
  55         PR other/51165
  56         * trans-mem.c (requires_barrier): Call may_be_aliased.
  57
  58 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
  59
  60         PR tree-optimization/51877
  61         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
  62         call arguments and fndecls compare equal, instead return false if they
  63         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
  64         both SSA_NAMEs that are valueized the same, or they satisfy
  65         operand_equal_p.
  66
  67 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  68
  69         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
  70         Solaris 11+.
  71         * configure: Regenerate.
  72
  73 2012-01-16  Jan Hubicka  <jh@suse.cz>
  74
  75         PR c/12245
  76         PR c++/14179
  77         * convert.c (convert_to_integer): Use fold_convert for
  78         converting an INTEGER_CST to integer type.
  79
  80 2012-01-16  Jason Merrill  <jason@redhat.com>
  81
  82         PR c++/14179
  83         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
  84
  85 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
  86
  87         PR bootstrap/51860
  88         * config/s390/s390.c (s390_chunkify_start): Don't skip
  89         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
  90         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
  91         If insn is followed by NOTE_INSN_VAR_LOCATION or
  92         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
  93         Don't use location of note insns.
  94
  95         PR tree-optimization/51865
  96         * tree-inline.c (tree_function_versioning): Call remap_decl
  97         on DECL_RESULT whenever it has VOID_TYPE_P type.
  98
  99 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 100
 101         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 102         for calls to locally-binding MIPS16 functions if only the return
 103         type uses float regs.
 104
 105 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 106             Richard Sandiford  <rdsandiford@googlemail.com>
 107
 108         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 109         (SYMBOL_32_HIGH): Likewise.
 110         (mips_output_tls_reloc_directive): Declare.
 111         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 112         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 113         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 114         (mips_lo_relocs, mips_hi_relocs): Make extern.
 115         (mips16_stub_function): Move up file.
 116         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 117         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 118         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 119         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
 120         of SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1
 121         if it's false.
 122         (mips_get_tp): Add MIPS16 support.
 123         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 124         Generalize DTPREL and TPREL handling.
 125         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 126         Add MIPS16 TLS support.
 127         (mips_output_tls_reloc_directive): New function.
 128         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 129         * config/mips/predicates.md (symbolic_operand_with_high)
 130         (tls_reloc_operand): New predicates.
 131         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 132         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 133         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 134         (*unshifted_high): New instruction.  Use it for MIPS16
 135         high splitter.
 136         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 137         (*tls_get_tp_mips16_call_<mode>): Likewise.
 138
 139 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 140
 141         PR rtl-optimization/51821
 142         * recog.c (peep2_find_free_register): Determine clobbered registers
 143         from insn pattern.
 144
 145 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 146
 147         PR target/50925
 148         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 149         * config/avr/avr.c: Likewise.
 150         * config/avr/avr.h: Likewise.
 151
 152 2012-01-13  Ian Lance Taylor  <iant@google.com>
 153
 154         PR c++/50012
 155         * tree.h (TYPE_QUALS): Add cast to int.
 156         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 157
 158 2012-01-13  Ian Lance Taylor  <iant@google.com>
 159
 160         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 161         comparing param_index to VEC_length result.
 162
 163 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 164
 165         * c-decl.c: Do not include tree-mudflap.h
 166         * tree-optimize.c: Likewise.
 167         * Makefile.in: Update dependencies.
 168
 169 2012-01-13  Richard Guenther  <rguenther@suse.de>
 170
 171         PR middle-end/8081
 172         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 173         variable-sized result always use RSO.
 174
 175 2012-01-12  DJ Delorie  <dj@redhat.com>
 176
 177         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 178         pointer type, not just the default pointer type.
 179
 180 2012-01-09  Richard Henderson  <rth@redhat.com>
 181             Denis Chertykov  <chertykov@gmail.com>
 182
 183         PR target/50925
 184         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 185         * config/avr/avr.c (avr_can_eliminate): Simplify.
 186         (avr_initial_elimination_offset): Likewise.
 187         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 188         (expand_epilogue): Likewise.
 189         (avr_legitimize_address): Gut.
 190         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 191         (avr_hard_regno_nregs): New.
 192         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 193         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 194         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 195         add soft frame pointer.
 196         (CALL_USED_REGISTERS): Likewise.
 197         (REG_CLASS_CONTENTS): Likewise.
 198         (REGISTER_NAMES): Likewise.
 199         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 200         (HARD_FRAME_POINTER_REGNUM): New.
 201         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 202         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 203         remove the HARD_FRAME_POINTER self-elimination.
 204
 205 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 206
 207         PR target/51756
 208         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 209         DECL_EXTERNAL when checking for initializers of progmem variables.
 210
 211 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 212
 213         PR tree-optimization/51799
 214         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 215         that the last operation is a type demotion.
 216
 217 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 218
 219         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 220         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 221
 222 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 223
 224         PR bootstrap/51796
 225         * combine.c (distribute_notes): If i3 is a noreturn call,
 226         allow old_size to be equal to args_size and make sure the
 227         noreturn call gets REG_ARGS_SIZE note.
 228         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 229         on noreturn calls even when the delta is 0.
 230
 231 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 232
 233         * gcov.c (STRING_SIZE): Remove.
 234         (generate_results): Erase annotations for source files with no
 235         coverage information.
 236         (read_line): New.
 237         (output_lines): Use it.
 238
 239 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 240
 241         * gimple.h (gimplify_body): Remove first argument.
 242         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 243         pointer set here, instead just pass DATA to walk_tree.
 244         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 245         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 246         (unvisit_body): Likewise, but with unmark_visited.
 247         (gimplify_body): Remove BODY_P argument and adjust.
 248         (gimplify_function_tree): Adjust call to gimplify_body.
 249         * omp-low.c (finalize_task_copyfn): Likewise.
 250
 251 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 252
 253         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 254         (build_function_type_skip_args): Delete.
 255         * tree.c (build_function_type_skip_args): Make static and add
 256         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 257         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
 258         pass it to build_function_type_skip_args.
 259         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
 260         (tree_function_versioning): Likewise.
 261         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
 262         build_function_decl_skip_args.
 263         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
 264         and pass it to build_function_decl_skip_args/tree_function_versioning.
 265         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
 266         * ipa-inline-transform.c (save_inline_function_body): Likewise.
 267         * trans-mem.c (ipa_tm_create_version): Likewise.
 268         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
 269         * tree-inline.c (declare_return_variable): Remove always-true test.
 270         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
 271         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
 272         * ipa-split.c (split_function): Skip the return value for the split
 273         part if it doesn't return.
 274
 275 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 276
 277         PR tree-optimization/49642
 278         * ipa-split.c (forbidden_dominators): New variable.
 279         (check_forbidden_calls): New function.
 280         (dominated_by_forbidden): Likewise.
 281         (consider_split): Check for forbidden dominators.
 282         (execute_split_functions): Initialize and free forbidden
 283         dominators info; call check_forbidden_calls.
 284
 285 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 286
 287         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
 288
 289 2012-01-11  Nick Clifton  <nickc@redhat.com>
 290
 291         * config/rx/rx.md (return): Define pattern.
 292
 293 2012-01-11  Richard Guenther  <rguenther@suse.de>
 294
 295         * doc/extend.texi (malloc attribute): Adjust according to
 296         implementation.
 297
 298 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
 299             Patrick Marlier  <patrick.marlier@gmail.com>
 300
 301         PR middle-end/51516
 302         * trans-mem.c (get_cg_data): Traverse aliases if requested.
 303         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
 304         (ipa_tm_note_irrevocable): Same.
 305         (ipa_tm_scan_irr_block): Same.
 306         (ipa_tm_decrement_clone_counts): Same.
 307         (ipa_tm_scan_irr_function): Same.
 308         (ipa_tm_create_version_alias): Same.
 309         (ipa_tm_create_version): Same.
 310         (ipa_tm_transform_calls_redirect): Same.
 311         (ipa_tm_transform_calls): Same.
 312         (ipa_tm_transform_transaction): Same.
 313         (ipa_tm_execute): Same.
 314
 315 2012-01-10  Richard Guenther  <rguenther@suse.de>
 316
 317         PR middle-end/51806
 318         * opts.c (common_handle_option): Handle -Werror.
 319
 320 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
 321
 322         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
 323         operand number.
 324
 325 2012-01-10  Jason Merrill  <jason@redhat.com>
 326
 327         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
 328         information.
 329
 330 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 331
 332         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
 333         supports R_386_TLS_GD_PLT reloc.
 334         (gcc_cv_as_ix86_tlsldmplt): Check if linker
 335         supports R_386_TLS_LDM_PLT reloc.
 336         * configure: Regenerate.
 337         * config.in: Regenerate.
 338
 339 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
 340
 341         PR target/49868
 342         Extend __pgmx semantics to linearize memory.
 343         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
 344         determine if code comes inline or from libgcc.
 345         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
 346         (movmem_qi, movmem_qi): Set constraint #2 to "n".
 347         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
 348         (movmemx_qi, movmemx_hi): New insns.
 349         (xload_<mode>_libgcc): Rewrite to new insn condition.
 350         (xload_<mode>): Remove insns.
 351         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
 352         cases that don't satisfy avr_xload_libgcc_p().
 353         (avr_addr_space_convert): Allow converting in any direction.
 354         (avr_addr_space_subset_p): Return always true.
 355         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
 356         (avr_emit_movmemhi): Ditto.
 357         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
 358         (avr_out_movmem): Ditto.
 359         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
 360         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
 361         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
 362         (avr_encode_section_info): Encode 'progmem' in symbol flags.
 363         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
 364
 365 2012-01-10  Richard Guenther  <rguenther@suse.de>
 366
 367         PR tree-optimization/50913
 368         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
 369         Require data-refs to be representable by Graphite with respect
 370         to any loop nest.
 371
 372 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
 373
 374         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
 375         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
 376
 377 2012-01-10  Tom de Vries  <tom@codesourcery.com>
 378
 379         PR rtl-optimization/51271
 380         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
 381         handling annulled branch.
 382
 383 2012-01-10  Richard Henderson  <rth@redhat.com>
 384
 385         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
 386         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
 387         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
 388         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
 389         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
 390         arm_expand_vec_perm_const): New.
 391         * config/arm/arm-protos.h: Update.
 392         * config/arm/neon.md (UNSPEC_VCONCAT): New.
 393         (*neon_vswp<VDQX>): New.
 394         (neon_vcombine<VDX>): Use neon_split_vcombine.
 395         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
 396         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
 397         (vec_perm<VE>): New.
 398
 399 2012-01-10  Richard Henderson  <rth@redhat.com>
 400
 401         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
 402         use it if reload_completed.
 403         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
 404         arm_output_asm_insn, arm_process_output_memory_barrier,
 405         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
 406         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
 407         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
 408         arm_process_output_sync_insn, arm_output_sync_insn,
 409         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
 410         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
 411         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
 412         (emit_unlikely_jump): New.
 413         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
 414         (arm_split_atomic_op): New.
 415         * config/arm/arm-protos.h: Update.
 416         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
 417         (struct arm_sync_generator): Remove.
 418         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
 419         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
 420         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
 421         (VUNSPEC_LL, VUNSPEC_SC): New.
 422         (sync_result, sync_memory, sync_required_value, sync_new_value,
 423         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
 424         (attr length): Don't use arm_sync_loop_insns.
 425         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
 426         (movsfcc, movdfcc): Likewise.
 427         * config/arm/constraints.md (Ua): New.
 428         * config/arm/prediates.md (mem_noofs_operand): New.
 429         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
 430         (sync_clobber, sync_t2_reqd): Remove.
 431         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
 432         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
 433         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
 434         (arm_sync_compare_and_swap<SIDI>): Remove.
 435         (arm_sync_compare_and_swap<NARROW>): Remove.
 436         (arm_sync_lock_test_and_set<SIDI>): Remove.
 437         (arm_sync_lock_test_and_set<NARROW>): Remove.
 438         (arm_sync_new_<syncop><SIDI>): Remove.
 439         (arm_sync_new_<syncop><NARROW>): Remove.
 440         (arm_sync_new_nand<SIDI>): Remove.
 441         (arm_sync_new_nand<NARROW>): Remove.
 442         (arm_sync_old_<syncop><SIDI>): Remove.
 443         (arm_sync_old_<syncop><NARROW>): Remove.
 444         (arm_sync_old_nand<SIDI>): Remove.
 445         (arm_sync_old_nand<NARROW>): Remove.
 446         (*memory_barrier): Merge arm_output_memory_barrier.
 447         (atomic_compare_and_swap<QHSD>): New.
 448         (atomic_compare_and_swap<NARROW>_1): New.
 449         (atomic_compare_and_swap<SIDI>_1): New.
 450         (atomic_exchange<QHSD>): New.
 451         (cas_cmp_operand, cas_cmp_str): New.
 452         (atomic_op_operand, atomic_op_str): New.
 453         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
 454         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
 455         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
 456         (arm_load_exclusive<NARROW>): New.
 457         (arm_load_exclusivesi, arm_load_exclusivedi): New.
 458         (arm_store_exclusive<QHSD>): New.
 459
 460 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 461
 462         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
 463         reload patterns if -mvsx-scalar-memory.
 464
 465         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
 466         generated, even -mno-vsx-scalar-double was used.
 467         (vsx_xscvdpsp_scalar): Likewise.
 468         (vsx_xscvspdp_scalar2): Likewise.
 469
 470 2012-01-09  Tom de Vries  <tom@codesourcery.com>
 471             Andrew Pinski  <apinski@cavium.com>
 472
 473         PR debug/51471
 474         * reorg.c (fill_slots_from_thread): Don't speculate
 475         frame-related insns.
 476
 477 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 478
 479         * sched-int.h (bb_note): Move to...
 480         * basic-block.h: ...here.
 481         * haifa-sched.c (bb_note): Move to...
 482         * cfgrtl.c: ...here.
 483         * function.c (next_block_for_reg): New function.
 484         (move_insn_for_shrink_wrap): Likewise.
 485         (prepare_shrink_wrap): Rewrite to use the above.
 486
 487 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
 488
 489         * gimple.c (is_gimple_non_addressable): Remove.
 490         * gimple.h: Remove is_gimple_non_addressable.
 491         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
 492         is_gimple_non_addressable.
 493         * trans-mem.c (expand_assign_tm): Same.
 494
 495 2012-01-09  Richard Guenther  <rguenther@suse.de>
 496
 497         PR tree-optimization/51775
 498         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
 499         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
 500
 501 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 502
 503         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
 504         tuning parameters.
 505         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
 506
 507 2012-01-09  Richard Guenther  <rguenther@suse.de>
 508
 509         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
 510
 511 2012-01-08  Jan Hubicka  <jh@suse.cz>
 512
 513         PR tree-optimize/51680
 514         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
 515         on when known_vals needs to be computed; cleanup.
 516
 517 2012-01-08  Jan Hubicka  <jh@suse.cz>
 518
 519         PR tree-optimize/51694
 520         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
 521
 522 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
 523
 524         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
 525         for -std=c++98 and -std=c++11 too.
 526
 527 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
 528
 529         * cfgloop.c (cancel_loop): Add free() of bbs array.
 530
 531 2012-01-07  Jan Hubicka  <jh@suse.cz>
 532
 533         PR tree-optimization/51600
 534         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
 535         that benefits small functions.
 536
 537 2012-01-07  Jan Hubicka  <jh@suse.cz>
 538
 539         * ipa-inline.c (want_inline_small_function_p): Fix formating.
 540
 541 2012-01-07  Jan Hubicka  <jh@suse.cz>
 542
 543         PR tree-optimization/51680
 544         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
 545         whose inlining reduce unit size.
 546
 547 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
 548
 549         PR bootstrap/51725
 550         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
 551         Add canonical node to containing_mem chain after the non-canonical
 552         one, even if there weren't any locs to propagate.
 553         (remove_useless_values): Keep only canonical values.
 554         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
 555         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
 556         canonicalize mem_chain elements that are not discarded.
 557
 558 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
 559
 560         PR target/47333
 561         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
 562         before emitting functions.
 563
 564         PR gcov-profile/50127
 565         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
 566         clear_aux_for_blocks.
 567
 568 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
 569
 570         PR debug/51746
 571         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
 572
 573 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
 574
 575         * c-decl.c (ext_block): Moved up.
 576         (collect_all_refs, for_each_global_decl): Take ext_block into account.
 577
 578 2012-01-06  Han Shen  <shenhan@google.com>
 579
 580         Translate built-in include paths for sysroot.
 581         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
 582         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
 583
 584         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
 585         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
 586
 587         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
 588         control whether sysroot should be prepended to gxx include dir.
 589
 590         * configure: Regenerate.
 591
 592 2012-01-06  Torvald Riegel  <triegel@redhat.com>
 593
 594         PR rtl-optimization/51771
 595         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
 596         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
 597
 598 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 599
 600         PR tree-optimization/51315
 601         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
 602         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
 603
 604 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
 605
 606         PR target/51681
 607         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
 608         for shrp pattern.  Correctly handle and fixup shift variable.
 609         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
 610
 611 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 612
 613         PR debug/51762
 614         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
 615         note when !ACCUMULATE_OUTGOING_ARGS.
 616
 617 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
 618
 619         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
 620         condition.
 621         (extract_range_from_unary_expr_1): Avoid useless computations.
 622
 623 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 624
 625         PR rtl-optimization/51767
 626         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
 627         of jump_block and add an extra edge for degenerated asm gotos.
 628
 629         PR middle-end/51768
 630         * stmt.c (check_unique_operand_names): Don't ICE during error
 631         reporting if i is from labels chain.
 632
 633         PR middle-end/44777
 634         * profile.c (branch_prob): Split bbs that have exit edge
 635         and need a fake entry edge too.
 636
 637 2012-01-05  Jan Hubicka  <jh@suse.cz>
 638
 639         PR middle-end/49710
 640         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
 641         unlooping loops.
 642
 643 2012-01-05  Richard Guenther  <rguenther@suse.de>
 644
 645         PR lto/50490
 646         * tree-streamer-out.c (write_ts_optimization): New function.
 647         (streamer_write_tree_body): Call it.
 648         * tree-streamer-in.c (lto_input_ts_optimization): New function.
 649         (streamer_read_tree_body): Call it.
 650         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
 651
 652 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 653
 654         PR middle-end/51761
 655         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
 656         * gimplify.c (gimplify_cleanup_point_expr): Save and set
 657         in_cleanup_point_expr before gimplify_stmt call and restore it
 658         afterwards.
 659         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
 660         in_cleanup_point_expr is false.
 661
 662 2012-01-05  Richard Guenther  <rguenther@suse.de>
 663
 664         PR middle-end/51764
 665         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
 666         to c.opt.
 667         * toplev.c (process_options): Reject combining mudflap and LTO.
 668         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
 669
 670 2012-01-05  Richard Guenther  <rguenther@suse.de>
 671
 672         PR tree-optimization/51760
 673         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
 674         not VARYING.
 675         (bit_value_unop): Handle UNDEFINED operands.
 676         (bit_value_binop): Likewise.
 677
 678 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
 679
 680         * config/avr/avr.c (avr_replace_prefix): Remove.
 681         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
 682         (avr_asm_function_rodata_section): Ditto.
 683         (avr_asm_select_section): Ditto.
 684
 685 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
 686
 687         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
 688         insertion.
 689
 690 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
 691
 692         PR bootstrap/51648
 693         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
 694         calls that have any non-fake successor edges.
 695
 696         PR debug/51746
 697         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
 698
 699 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
 700
 701         PR tree-optimization/51624
 702         * tree-sra.c (build_ref_for_model): When replicating a chain of
 703         COMPONENT_REFs, stop as soon as the offset would become negative.
 704
 705 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
 706
 707         PR debug/51695
 708         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
 709         in .debug_loc on the floor.
 710
 711 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 712
 713         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
 714
 715 2012-01-04  Andrew Pinski  <apinski@cavium.com>
 716             Adam Nemet  <anemet@caviumnetworks.com>
 717
 718         * config/mips/mips.md (size): Add SI and DI.
 719         (SIZE): New mode attribute.
 720         (U): New code attribute.
 721         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
 722         (mips_lbux_<mode>): Delete.
 723         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
 724         (mips_lhx): Use gen_mips_lhx_extsi.
 725         (mips_lhx_<mode>): Delete.
 726         (mips_lwx): Delete.
 727         (mips_l<size>x): New expand.
 728         (mips_lwx_<mode>): Delete.
 729         (mips_l<GPR:size>x_<P:mode>): New pattern.
 730         (*mips_lw<u>x_<P:mode>_ext): Likewise.
 731         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
 732         * config/mips/mips.c (mips_lx_address_p): New function.
 733         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
 734         (dsp64): New availability predicate.
 735         (mips_builtins): Add an entry for __builtin_mips_ldx.
 736         * config/mips/mips.h (ISA_HAS_LBX): New define.
 737         (ISA_HAS_LBUX): Likewise.
 738         (ISA_HAS_LHX): Likewise.
 739         (ISA_HAS_LHUX): Likewise.
 740         (ISA_HAS_LWX): Likewise.
 741         (ISA_HAS_LWUX): Likewise.
 742         (ISA_HAS_LDX): Likewise.
 743         * doc/extend.texi (__builtin_mips_ldx): Document.
 744
 745 2012-01-04  Tristan Gingold  <gingold@adacore.com>
 746
 747         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
 748         when long pointers are used.
 749         * config.build (*-*-*vms*): Handle all OpenVMS targets.
 750         (alpha64-dec-*vms*, alpha*-dec-*vms*)
 751         (ia64-hp-*vms*): Remove.
 752         * config/vms/xm-vms64.h: Delete.
 753
 754 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 755
 756         PR middle-end/51472
 757         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
 758
 759 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 760
 761         * opts.c (finish_options): Remove duplicate sorry.
 762
 763 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
 764
 765         PR middle-end/51696
 766         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
 767         correctly.
 768
 769 2012-01-04  Richard Guenther  <rguenther@suse.de>
 770
 771         PR middle-end/51750
 772         * tree.c (size_low_cst): New function.
 773         * tree.h (size_low_cst): Declare.
 774         * fold-const.c (fold_comparison): Use it to extract the low
 775         part of the POINTER_PLUS_EXPR offset.
 776
 777 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
 778
 779         Fix clearing ZERO_REG
 780         * config/avr/avr.md (cc): Add alternative "ldi".
 781         (movqi_insn): Use it in cc attribute.
 782         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
 783         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
 784         (output_reload_insisf): Use ZERO_REG to pre-clear register.
 785
 786 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 787
 788         * configure: Regenerate.
 789
 790 2012-01-04  Richard Guenther  <rguenther@suse.de>
 791
 792         PR tree-optimization/49651
 793         * tree-ssa-structalias.c (type_can_have_subvars): New function.
 794         (var_can_have_subvars): Use it.
 795         (get_constraint_for_1): Only consider subfields if there can be any.
 796
 797 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 798
 799         PR bootstrap/51725
 800         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
 801         to its new canonical_cselib_val and the cselib_val was in
 802         first_containing_mem chain, but the canonical_cselib_val was not,
 803         add the latter into the chain.
 804         (cselib_invalidate_mem): Compare canonical_cselib_val of
 805         addr_list chain elt with v.
 806
 807         PR pch/51722
 808         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
 809         dwarf2out_undef): Allocate e.info using ggc_strdup instead
 810         of xstrdup.
 811         (output_macinfo_op): Don't ggc_strdup fd->filename.
 812         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
 813         then ggc_strdup it.  Don't free inc->info or cur->info.
 814         (output_macinfo): Don't free ref->info or file->info.
 815
 816 2012-01-03  Ira Rosen  <irar@il.ibm.com>
 817
 818         PR tree-optimization/51269
 819         * tree-vect-loop-manip.c (set_prologue_iterations): Make
 820         first_niters a pointer.
 821         (slpeel_tree_peel_loop_to_edge): Likewise.
 822         (vect_do_peeling_for_loop_bound): Update call to
 823         slpeel_tree_peel_loop_to_edge.
 824         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
 825         here.  Remove it from the parameters list.
 826         (vect_do_peeling_for_alignment): Update calls and compute
 827         wide_prolog_niters.
 828
 829 2012-01-03  Richard Guenther  <rguenther@suse.de>
 830
 831         PR tree-optimization/51070
 832         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
 833         Properly handle calls.
 834
 835 2012-01-03  Richard Guenther  <rguenther@suse.de>
 836
 837         PR tree-optimization/51692
 838         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
 839         the LHS of allocation stmts.
 840
 841 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 842
 843         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
 844
 845 2012-01-03  Olivier Hainque  <hainque@adacore.com>
 846
 847         * collect2.c (main): In AIX specific computations for vector
 848         insertions, use CONST_CAST2 to cast from char ** to const char **.
 849
 850 2012-01-03  Richard Guenther  <rguenther@suse.de>
 851
 852         PR debug/51650
 853         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
 854         the context of a limbo DIE when it does not already exist.
 855
 856 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
 857
 858         PR tree-optimization/51719
 859         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
 860         but direct call is, clear direct call's lhs and don't add fallthrough
 861         edge from dcall_bb to join_bb and PHIs.
 862
 863 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 864
 865         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
 866         the instructions emitted by the pattern.
 867         ("*TDC_insn_<mode>"): Add comment.
 868
 869 2012-01-03  Richard Guenther  <rguenther@suse.de>
 870
 871         PR middle-end/51730
 872         * fold-const.c (fold_comparison): Properly canonicalize
 873         tree offset and HOST_WIDE_INT bit position.
 874
 875 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
 876
 877         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
 878         operands for extzv pattern.
 879
 880 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 881
 882         PR bootstrap/51725
 883         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
 884         on mem_elt first.
 885
 886 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
 887
 888         * doc/invoke.texi (-flto and related options): Copy-edit.
 889
 890 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 891
 892         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
 893
 894 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 895
 896         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
 897         New patterns.
 898
 899 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
 900
 901         * expr.h (move_by_pieces_ninsns): Declare.
 902         * expr.c (move_by_pieces_ninsns): Make external.
 903         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
 904         (mips_store_by_pieces_p): Likewise.
 905         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
 906         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
 907         * config/mips/mips.c (mips_move_by_pieces_p): New function.
 908         (mips_store_by_pieces_p): Likewise.
 909
 910 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
 911
 912         * passes.c (register_one_dump_file): Free full_name.
 913
 914         * reload1.c (reload): Don't allocate reg_max_ref_width here.
 915         (calculate_elim_costs_all_insns): Free offsets_at and
 916         offsets_known_at at the end and clear the pointers.
 917
 918 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 919
 920         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
 921         this option introduced in r180739.
 922
 923 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 924
 925         PR target/51345
 926         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
 927         (tmake_file target=avr): Add avr/t-multilib.
 928
 929         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
 930         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
 931         * config/avr/genmultilib.awk: New file.
 932         * config/avr/t-multilib: New auto-generated file.
 933         * config/avr/multilib.h: New auto-generated file.
 934         * config/avr/t-avr (AVR_MCUS): New variable.
 935         (genopt.sh): Use it.
 936         (s-mlib): Depend on t-multilib.
 937         (t-multilib, multilib.h): New dependencies.
 938         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
 939         (MULTILIB_OPTIONS): Remove.
 940         (MULTILIB_MATCHES): Remove.
 941         (MULTILIB_DIRNAMES): Remove.
 942         (MULTILIB_EXCEPTIONS): Remove:
 943         * config/avr/genopt.sh: Don't use hard coded file name;
 944         pass AVR_MCUS from t-avr instead.
 945
 946 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 947
 948         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
 949
 950 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
 951
 952         Implement light-weight DImode support.
 953         * config/avr/avr-dimode.md: New file.
 954         * config/avr/avr.md: Include it.
 955         (adjust_len): Add plus64, compare64.
 956         (HIDI): Remove code iterator.
 957         (code_stdname): New code attribute.
 958         (rotx, rotsmode): Remove DI.
 959         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
 960         as code iterator.
 961         * config/avr/avr-protos.h (avr_have_dimode): New.
 962         (avr_out_plus64, avr_out_compare64): New.
 963         * config/avr/avr.c (avr_out_compare): Handle DImode.
 964         (avr_have_dimode): New variable definition and initialization.
 965         (avr_out_compare64, avr_out_plus64): New functions.
 966         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
 967         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
 968         (avr_compare_pattern): Skip DImode comparisons.
 969
 970 2012-01-02  Revital Eres  <revital.eres@linaro.org>
 971
 972         * ddg.c (def_has_ccmode_p): New function.
 973         (add_cross_iteration_register_deps,
 974         create_ddg_dep_from_intra_loop_link): Call it.
 975
 976 2012-01-02  Richard Guenther  <rguenther@suse.de>
 977
 978         PR other/51679
 979         * invoke.texi (fassociative-math): Remove spurious paranthesis.
 980
 981 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
 982
 983         * gcc.c (process_command): Update copyright notice dates.
 984         * gcov.c (print_version): Likewise.
 985         * gcov-dump.c (print_version): Likewise.
 986         * mips-tfile.c (main): Likewise.
 987         * mips-tdump.c (main): Likewise.
 988
 989 2012-01-01  Ira Rosen  <irar@il.ibm.com>
 990
 991         PR tree-optimization/51704
 992         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
 993         a use is inside the basic block or loop before accessing its vect info.
 994
 995 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
 996
 997         PR rtl-optimization/51069
 998         * cfgloopmanip.c (remove_path): Removing path making irreducible
 999         region unconditional makes BB part of the region.
1000
1001 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1002
1003         PR tree-optimization/51683
1004         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1005         calls with side-effects.
1006         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1007 \f
1008 Copyright (C) 2012 Free Software Foundation, Inc.
1009
1010 Copying and distribution of this file, with or without modification,
1011 are permitted in any medium without royalty provided the copyright
1012 notice and this notice are preserved.