gcc/ChangeLog

   1 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
   2
   3         PR target/51871
   4         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
   5         stubs.
   6
   7 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
   8
   9         * doc/invoke.texi: Correct hyphenation of "floating point",
  10         "double precision", and related terminology throughout the file.
  11
  12 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
  13
  14         PR target/52006
  15         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
  16         arm_general_register_operand predicate for operand 2 instead of
  17         register_operand.
  18
  19 2012-01-27  Ian Lance Taylor  <iant@google.com>
  20
  21         PR go/47656
  22         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
  23         * builtins.c (expand_builtin_init_trampoline): Add onstack
  24         parameter.  Change caller.
  25         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
  26         * tree.c (build_common_builtin_nodes): Declare
  27         __builtin_init_heap_trampoline.
  28
  29 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
  30
  31         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
  32         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
  33         * config/avr/avr.c: Ditto.
  34         (avr_regnames): Remove because unused.
  35         * config/avr/avr.md (*cpse.ne): New peephole.
  36         (*cpse.eq): New peephole from former cpse peepholes.
  37
  38 2012-01-27  Michael Eager  <eager@eagercon.com>
  39
  40         * config/microblaze.c (microblaze_emit_compare): Correct
  41         test after pcmp instruction.
  42
  43 2012-01-27  Richard Guenther  <rguenther@suse.de>
  44
  45         PR tree-optimization/52020
  46         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
  47
  48 2012-01-27  Richard Guenther  <rguenther@suse.de>
  49
  50         * ipa-pure-const.c (check_stmt): Clobbers do not make a
  51         function non-const/pure.
  52
  53 2012-01-27  Richard Guenther  <rguenther@suse.de>
  54
  55         PR tree-optimization/50444
  56         * tree-sra.c (build_ref_for_offset): Properly adjust the
  57         MEM_REF type for unaligned accesses.
  58
  59 2012-01-27  Richard Guenther  <rguenther@suse.de>
  60
  61         PR tree-optimization/50444
  62         * expr.c (mem_ref_refers_to_non_mem_p): New function.
  63         (expand_assignment): Use it.  Properly handle misaligned
  64         bases when expanding stores to component references.
  65         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
  66         refactor that case.
  67
  68 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
  69
  70         PR middle-end/51389
  71         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
  72         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
  73         * tree-data-ref.c (find_data_references_in_loop): Make static.
  74         (compute_all_dependences): Change return type to bool.  Bail out
  75         for too many datarefs in a loop.  Move the hunk resetting the data
  76         dependences vector from ...
  77         (compute_data_dependences_for_loop): ... here.  Account for
  78         compute_all_dependences returning false.
  79         (compute_data_dependences_for_bb): Likewise.
  80         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
  81         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
  82
  83 2012-01-27  Richard Guenther  <rguenther@suse.de>
  84
  85         PR middle-end/51959
  86         * expr.c (store_field): Use the alias-set of the scratch memory
  87         for storing to it.
  88
  89 2012-01-27  Tom de Vries  <tom@codesourcery.com>
  90
  91         PR tree-optimization/51990
  92         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
  93         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
  94
  95 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
  96
  97         PR debug/52001
  98         * var-tracking.c (reverse_op): Don't add any reverse operation
  99         if V already has any constant locations.
 100
 101 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 102
 103         * doc/invoke.texi: Correct usage of "command line" (noun)
 104         vs "command-line" (adjective) throughout.
 105
 106 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 107
 108         * doc/invoke.texi (Language Independent Options): Move
 109         -Wcoverage-mismatch blurb from here....
 110         (Warning Options): ...to here.
 111
 112 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 113
 114         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 115         Set rs6000_always_hint to false for 476.
 116
 117 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 118
 119         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 120           system root.
 121         * incpath.c (add_standard_paths): Likewise.
 122
 123 2012-01-27  Richard Henderson  <rth@redhat.com>
 124
 125         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 126         * config/m68k/sync.md (atomic_test_and_set): Rename from
 127         sync_test_and_setqi and adjust the operands.
 128         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 129         and unconditionally enable.
 130
 131 2012-01-27  Richard Henderson  <rth@redhat.com>
 132
 133         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 134         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 135         (ldstub): Rename from ldstubqi.
 136         (ldstub<I24MODE>): Remove.
 137
 138 2012-01-27  Richard Henderson  <rth@redhat.com>
 139
 140         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 141         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 142         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 143         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 144         * doc/tm.texi: Rebuild.
 145
 146 2012-01-27  Richard Henderson  <rth@redhat.com>
 147
 148         * optabs.c (gen_atomic_test_and_set): Remove default.
 149         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 150
 151 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 152
 153         PR rtl-optimization/51978
 154         * ree.c (make_defs_and_copies_lists): Change set_pat type
 155         to const_rtx.
 156         (combine_reaching_defs): Likewise.
 157         (struct re_info): Remove.
 158         (add_removable_extension): Remove x and data arguments,
 159         add insn, insn_list and def_map.  Use the arguments directly
 160         instead of using struct re_info.
 161         (find_removable_extensions): Don't call add_removable_extension
 162         through note_stores, instead just call it with single_set
 163         result if non-NULL.
 164         (find_and_remove_re): Pass curr_cand->expr instead of
 165         PATTERN (curr_cand->insn) as set_pat argument to
 166         combine_reaching_defs.
 167
 168 2012-01-26  Michael Matz  <matz@suse.de>
 169
 170         PR tree-optimization/46590
 171         * cfgexpand.c: Revert last change (r183305).
 172         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 173         regs.
 174         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 175         checking for emptiness.
 176
 177 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 178
 179         PR middle-end/51895
 180         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 181         non-addressable non-BLKmode base correctly.
 182
 183 2012-01-26  Michael Matz  <matz@suse.de>
 184
 185         PR tree-optimization/48794
 186         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 187         regions referenced from RESX/EH_DISPATCH.
 188
 189 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 190
 191         * config/s390/s390.h: Make BRANCH_COST an option.
 192         * config/s390/s390.opt: New option -mbranch-cost.
 193
 194 2012-01-26  Richard Henderson  <rth@redhat.com>
 195
 196         Revert 2012-01-24 change:
 197         * trans-mem.c (requires_barrier): Do not instrument thread local
 198         variables and emit save/restore for them.
 199
 200 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 201
 202         PR middle-end/51986
 203         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 204         for pat == 0.
 205
 206 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 207
 208         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 209         ASM_OPERANDS.
 210
 211 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 212
 213         PR target/49868
 214         Rename __pgm to __flash.
 215         Rename __pgm1 to __flash1.
 216         Rename __pgm2 to __flash2.
 217         Rename __pgm3 to __flash3.
 218         Rename __pgm4 to __flash4.
 219         Rename __pgm5 to __flash5.
 220         Rename __pgmx to __memx.
 221         * doc/extend.texi (AVR Named Address Spaces)
 222         Rename address space names as indicated above.
 223         * config/avr/avr.c (avr_addrspace): Ditto.
 224
 225         * config/avr/avr-protos.h
 226         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 227         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 228         * config/avr/predicates.md: Ditto.
 229         * config/avr/avr.c Ditto, and
 230         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 231         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 232
 233         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 234         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 235         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 236         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 237         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 238         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 239         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 240         * config/avr/avr.c: Ditto.
 241         * config/avr/avr.md: Ditto.
 242
 243 2012-01-25  Jason Merrill  <jason@redhat.com>
 244
 245         PR c++/51992
 246         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 247
 248 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 249
 250         PR tree-optimization/51987
 251         * tree-data-ref.c (get_references_in_stmt): Handle references in
 252         non-volatile GIMPLE_ASM.
 253
 254 2012-01-25  Richard Guenther  <rguenther@suse.de>
 255
 256         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 257         bases are dereferenced.
 258
 259 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 260
 261         PR rtl-optimization/48374
 262         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 263
 264 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 265
 266         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 267         compute_data_dependences_for_loop returns false.
 268         * tree-parloops.c (loop_parallel_p): Likewise.
 269
 270 2012-01-25  Richard Guenther  <rguenther@suse.de>
 271
 272         * tree.h (get_pointer_alignment_1): Declare.
 273         * builtins.c (get_pointer_alignment_1): New function.
 274         (get_pointer_alignment): Use it.
 275
 276 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 277
 278         PR rtl-optimization/48308
 279         * combine.c (enum undo_kind): Add UNDO_LINKS.
 280         (struct undo): Add member l to other_contents and where.
 281         (do_SUBST_LINK): New.
 282         (SUBST_LINK): New.
 283         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 284         (undo_all): Handle UNDO_LINKS.
 285
 286 2012-01-25  Richard Henderson  <rth@redhat.com>
 287
 288         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 289         mem inputs.
 290
 291 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 292
 293         * optabs.c (gen_atomic_test_and_set): Use each argument.
 294
 295 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 296
 297         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 298         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 299         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 300         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 301         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 302         TARGET_PAIRED_SINGLE_FLOAT.
 303
 304 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 305
 306         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 307         (in_struct, return_val): Remove MEM documentation.
 308         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 309         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 310         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 311         and MEM_SCALAR.
 312         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 313         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 314         * expr.c (store_field): Likewise.
 315         * function.c (assign_stack_temp_for_type): Likewise.
 316         * ifcvt.c (noce_try_cmove_arith): Likewise.
 317         * reload1.c (reload): Likewise.
 318         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 319         (alpha_set_memflags): Likewise.
 320         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 321
 322 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 323
 324         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 325         parameter.
 326         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 327         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 328         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 329         varies parameter.
 330         * cselib.c (cselib_rtx_varies_p): Delete.
 331         (cselib_invalidate_mem): Update call to canon_true_dependence.
 332         * dse.c (record_store, check_mem_read_rtx): Likewise.
 333         (scan_reads_nospill): Likewise.
 334         * cse.c (check_dependence): Likewise.
 335         (cse_rtx_varies_p): Delete.
 336         * expr.c (safe_from_p): Update call to true_dependence.
 337         * ira.c (validate_equiv_mem_from_store): Likewise.
 338         (memref_referenced_p): Likewise.
 339         * postreload-gcse.c (find_mem_conflicts): Likewise.
 340         * sched-deps.c (sched_analyze_2): Likewise.
 341         * store-motion.c (load_kills_store): Likewise.
 342         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 343         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 344         (compute_transp): Update call to canon_true_dependence.
 345
 346 2012-01-25  Richard Henderson  <rth@redhat.com>
 347
 348         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 349         (maybe_emit_atomic_test_and_set): New.
 350         (expand_sync_lock_test_and_set): Use it.
 351         (expand_atomic_test_and_set): Likewise.
 352         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 353         the implementation; clarify implementation defined details.
 354         * doc/md.texi (atomic_test_and_set): Document.
 355
 356 2012-01-25  Richard Henderson  <rth@redhat.com>
 357
 358         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 359
 360 2012-01-25  Richard Henderson  <rth@redhat.com>
 361
 362         PR target/51968
 363         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 364         to effect no-op split.
 365
 366 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 367
 368         PR lto/51698
 369         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 370         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 371         (BT_FN_VOID_PTR_INT_SIZE): New.
 372         (BT_FN_UINT_UINT_VAR): Remove.
 373         (BT_FN_UINT32_UINT32_VAR): New.
 374         (BT_FN_DOUBLE_VPTR): Remove.
 375         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 376
 377         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
 378         void.
 379         (_ITM_changeTransactionMode): Same.
 380         (_ITM_memmoveRtWt): Change return type to void.
 381         (_ITM_memcpyRtWt): Same.
 382         (_ITM_memsetW): Same.
 383         (_ITM_RaRD): Change types to double.
 384         (_ITM_RD): Same.
 385         (_ITM_RaWD): Same.
 386         (_ITM_RfWD): Same.
 387
 388         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 389
 390 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 391             Patrick Marlier  <patrick.marlier@gmail.com>
 392
 393         * trans-mem.c (requires_barrier): Do not instrument thread local
 394         variables and emit save/restore for them.
 395
 396 2012-01-24  Jason Merrill  <jason@redhat.com>
 397
 398         PR c++/51812
 399         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 400         output static aliases.
 401
 402 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 403
 404         PR driver/47249
 405         * common.opt (-pie, -shared, pie, shared): Change from Common to
 406         Driver.
 407         * gcc.c (display_help): Display help for -pie and -shared.
 408
 409 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 410
 411         PR target/49868
 412         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 413         Remove note on size/offset limitation.
 414         (AVR Variable Attributes): Add example how to read data located
 415         with progmem.  Refer to named address spaces.
 416         * doc/invoke.texi (AVR Options): Fix typo.
 417
 418 2012-01-24  Richard Guenther  <rguenther@suse.de>
 419
 420         Forward-port to trunk
 421         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 422
 423         PR middle-end/45678
 424         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 425         op0 isn't sufficiently aligned and there is movmisalignM
 426         insn for mode, use it to load op0 into a temporary register.
 427
 428 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 429
 430         PR target/51957
 431         * target.def (const_not_ok_for_debug_p): New hook.
 432         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 433         documentation.
 434         * doc/tm.texi: Regenerated.
 435         * dwarf2out.c (const_ok_for_output_1): If
 436         targetm.const_not_ok_for_debug_p returns true, fail.
 437         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 438         function.
 439         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 440
 441 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 442
 443         PR target/51900
 444         * config/i386/predicates.md (symbolic_operand): Allow
 445         UNSPEC_PCREL as PIC expression for lea.
 446         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 447         * config/i386/i386.c (ix86_delegitimize_address): Handle
 448         UNSPEC_PCREL for none-MEM, too.
 449
 450 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 451
 452         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 453         (ipa_tm_create_version_alias): Same.
 454
 455 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
 456
 457         PR libitm/51830
 458         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 459         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 460
 461 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 462             Patrick Marlier  <patrick.marlier@gmail.com>
 463             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 464
 465         PR lto/51916
 466         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 467         simple_object_start_read.
 468
 469 2012-01-23  Richard Guenther  <rguenther@suse.de>
 470
 471
 472         PR tree-optimization/51895
 473         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 474         parameter decomposition into BLKmode components.
 475
 476 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 477
 478         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 479         fake variables for restrict-qualified pointers whose pointed-to type
 480         contains a placeholder.
 481
 482 2012-01-23  Richard Guenther  <rguenther@suse.de>
 483
 484         PR tree-optimization/51949
 485         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 486
 487 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 488
 489         PR rtl-optimization/51933
 490         * ree.c (transform_ifelse): Return true right away if dstreg is
 491         already wider or equal to cand->mode.
 492         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 493         (make_defs_and_copies_lists): Remove defs_list and copies_list
 494         arguments, add state argument, just truncate state->work_list
 495         instead of always allocating and freeing the vector.  Assert that
 496         get_defs succeeds instead of returning 2.  Changed return type to bool.
 497         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 498         have ext_src_mode, see if it has been modified already with the
 499         right kind of extension and has been extended before from the
 500         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 501         just return true.  Remember the original mode in state->modified array.
 502         (combine_reaching_defs): Add state argument.  Don't allocate and
 503         free here def_list, copied_list and vec vectors, instead just
 504         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 505         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 506         Add state variable, clear vectors in it, initialize state.modified
 507         if needed.  Free all the vectors at the end and state.modified too.
 508         Don't skip a candidate if the extension expression has been modified.
 509
 510 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 511
 512         PR target/47096
 513         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 514          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 515         (extra_options) interix.opt -> i386/interix.opt"
 516         (extra_objs):Add winnt-stubs.o
 517         * configure.ac: Add interix to target_os .comm on PE check.
 518         * configure: Regenerate.
 519         * config/interix3.h: Delete and move bits to..
 520         * config/interix.h: Delete and move bits to..
 521         * config/i386/i386-interix3.h: Delete and move bits to..
 522         * config/i386/i386-interix.h: ..here.
 523         (TARGET_CPU_DEFAULT): Remove redefinition.
 524         (TARGET_ASM_CONSTRUCTOR): Undefine.
 525         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 526         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 527         (PTRDIFF_TYPE): Define.
 528         (LONG_DOUBLE_TYPE_SIZE): Define.
 529         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 530         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 531         (TARGET_SECTION_TYPE_FLAGS): Define.
 532         (ASM_DECLARE_FUNCTION_NAME): Define.
 533         (ASM_OUTPUT_EXTERNAL): Define.
 534         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 535         (ASM_OUTPUT_ALIGNED_BSS): Define.
 536         (PCC_BITFIELD_TYPE_MATTERS): Define.
 537         (USE_CONST_SECTION): Define.
 538         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 539         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 540         (SUPPORTS_ONE_ONLY): Remove.
 541         (I386_PE_STRIP_ENCODING): Define.
 542         * config/interix.opt: Delete and move bits to..
 543         * config/i386/interix.opt: ..here. New.
 544         (mpe-aligned-commons): Add.
 545         * config/i386/t-interix: Add copyright header.
 546         (winnt-stubs.o): Add rule.
 547
 548 2012-01-22  Jason Merrill  <jason@redhat.com>
 549
 550         PR c++/51832
 551         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 552         for extra name aliases.
 553
 554 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 555
 556         PR rtl-optimization/51924
 557         * ree.c (combine_set_extension): Improve debugging message.
 558         (combine_reaching_defs): Likewise.
 559         (get_defs): Rename confusingly named variable.
 560         (find_and_remove_re): Skip a candidate if the extension expression has
 561         been modified.
 562
 563 2012-01-21  Robert Millan  <rmh@gnu.org>
 564             Gerald Pfeifer  <gerald@pfeifer.com>
 565
 566         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 567         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 568
 569 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 570
 571         PR tree-optimization/51914
 572         * tree-vect-stmts.c (vectorizable_conversion): For
 573         cvt_type && modifier == WIDEN, put temporary with cvt_type
 574         at the beginning of vec_dsts and set vec_dest to temporary
 575         with vectype_out.
 576
 577 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 578
 579         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 580
 581 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 582
 583         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 584         * config/rs6000/rs6000.c: Likewise.
 585
 586 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 587
 588         PR target/51915
 589         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 590         output_move_double on a copy of operands array.
 591
 592 2012-01-20  Cary Coutant  <ccoutant@google.com>
 593             Dodji Seketeli  <dodji@redhat.com>
 594
 595         PR debug/45682
 596         * dwarf2out.c (copy_declaration_context): Return ref to parent
 597         of declaration DIE, if necessary.
 598         (remove_child_or_replace_with_skeleton): Add new parameter; update
 599         caller.  Place skeleton DIE under parent DIE of original declaration.
 600         Move call to copy_declaration_context to here ...
 601         (break_out_comdat_types): ... from here.
 602
 603 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 604
 605         PR rtl-optimization/51856
 606         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 607         flag to reloaded.
 608
 609 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 610
 611         PR target/51819
 612         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 613         hints for neon loads and stores.
 614
 615 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 616
 617         PR target/49868
 618         PR target/50887
 619         * doc/extend.texi (Named Address Spaces): Split into subsections.
 620         (AVR Named Address Spaces): New subsection.
 621         (M32C Named Address Spaces): New subsection.
 622         (RL78 Named Address Spaces): New subsection.
 623         (SPU Named Address Spaces): New subsection.
 624         (Variable Attributes): New anchor "AVR Variable Attributes".
 625         (AVR Variable Attributes): Rewrite and avoid wording
 626         "address space" in this context.
 627         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 628         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 629         (AVR Built-in Macros): New subsubsection therein.
 630         * doc/md.texi (AVR constraints): Remove "C04", "R".
 631
 632 2012-01-20  Richard Guenther  <rguenther@suse.de>
 633
 634         PR tree-optimization/51903
 635         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 636         when removing stmts.
 637
 638 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 639
 640         PR target/50313
 641         * config/arm/arm.c (arm_load_pic_register): Use
 642         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 643         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 644         (arm_pic_static_addr): Likewise.
 645         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 646         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 647         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 648         (pic_load_addr_unified): New.
 649
 650 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 651
 652         PR target/51106
 653         * function.c (instantiate_virtual_regs_in_insn): Use
 654         delete_insn_and_edges when removing a wrong asm insn.
 655
 656 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 657
 658         PR rtl-optimization/40761
 659         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 660         Add new member loop_num.
 661         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 662         (ira_build): Remove the parameter.
 663
 664         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 665         (ira.c): Do not build CFG loops for one region allocation.  Remove
 666         argument from ira_build call.
 667
 668         * ira-build.c (init_loop_tree_node): New function.
 669         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 670         loops are not built.
 671         (more_one_region_p): Check current_loops.
 672         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 673         built.
 674         (add_loop_to_tree): Process loop equal to NULL too.
 675         (form_loop_tree): Separate the case when CFG loops are not built.
 676         Use explicitly number for the root.
 677         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 678         an assertion.
 679         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 680         instead of loop->num.
 681         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 682         (mark_all_loops_for_removal): Ditto.
 683         (remove_unnecessary_regions): Separate the case when CFG loops
 684         are not built.
 685         (ira_build): Remove the parameter.  Use explicit number of regions
 686         when CFG loops are not built.
 687
 688         * ira-color.c (print_loop_title): Separate the case for the root node.
 689         Use loop_num instead of loop->num.
 690         (move_spill_restore): Use loop_num instead of loop->num.
 691
 692         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 693         (change_loop): Ditto.
 694         (change_loop): Use loop_num instead of loop->num.
 695
 696         * ira-lives.c (process_bb_node_lives): Ditto.
 697
 698         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 699
 700         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 701
 702 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 703
 704         PR libmudflap/40778
 705         * tree-mudflap.c (mf_artificial): New function.
 706         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 707         mx_register_decls, mudflap_enqueue_decl): Use it.
 708
 709         PR target/51876
 710         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 711         numbers in the insn pattern.
 712
 713 2012-01-19  Michael Matz  <matz@suse.de>
 714
 715         PR tree-optimization/46590
 716         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 717         use it in remembering which conflicts we already created.
 718         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 719         bitmap.
 720
 721 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 722
 723         PR lto/51280
 724         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 725         (merge_and_complain): Same.
 726
 727 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 728
 729         PR bootstrap/50237
 730         * config/initfini-array.h: Guard content of the header
 731         with #ifdef HAVE_INITFINI_ARRAY.
 732         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 733         Add initfini-array.h to tm_file here.
 734         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 735         * config.gcc: Don't add initfini-array.h to tm_file here.
 736         * configure: Regenerated.
 737
 738 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 739
 740         PR rtl-optimization/51505
 741         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 742         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 743         (df_note_bb_compute): Update the call to df_kill_notes.
 744
 745 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 746
 747         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 748
 749 2012-01-18  Richard Guenther  <rguenther@suse.de>
 750
 751         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 752         of conversions to void *.
 753
 754 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 755             Richard Sandiford  <rdsandiford@googlemail.com>
 756
 757         PR middle-end/50325
 758         PR middle-end/51192
 759         * optabs.h (simplify_expand_binop): Declare.
 760         * optabs.c (simplify_expand_binop): Make global.
 761         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 762         endian targets if the source cannot be exactly covered by word
 763         mode chunks.
 764
 765 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 766
 767         PR bootstrap/51872
 768         * hard-reg-set.h (struct hard_reg_set_container): New type.
 769         * target.h (struct hard_reg_set_container): Forward declare.
 770         * target.def (set_up_by_prologue): New target hook.
 771         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 772         * doc/tm.texi: Regenerated.
 773         * function.c (thread_prologue_and_epilogue_insns): Change
 774         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 775         Call targetm.set_up_by_prologue on it.
 776         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 777         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 778
 779 2012-01-17  Nick Clifton  <nickc@redhat.com>
 780
 781         * config/rx/rx.c (rx_can_use_simple_return): New function.
 782         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 783         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 784
 785 2012-01-17  Richard Guenther  <rguenther@suse.de>
 786
 787         PR middle-end/51782
 788         * expr.c (expand_assignment): Take address-space information
 789         from the address operand of MEM_REF and TARGET_MEM_REF.
 790         (expand_expr_real_1): Likewise.
 791
 792 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 793
 794         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 795         reload dump is requested.
 796
 797 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 798
 799         PR other/51165
 800         * trans-mem.c (requires_barrier): Call may_be_aliased.
 801
 802 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 803
 804         PR tree-optimization/51877
 805         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 806         call arguments and fndecls compare equal, instead return false if they
 807         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 808         both SSA_NAMEs that are valueized the same, or they satisfy
 809         operand_equal_p.
 810
 811 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 812
 813         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 814         Solaris 11+.
 815         * configure: Regenerate.
 816
 817 2012-01-16  Jan Hubicka  <jh@suse.cz>
 818
 819         PR c/12245
 820         PR c++/14179
 821         * convert.c (convert_to_integer): Use fold_convert for
 822         converting an INTEGER_CST to integer type.
 823
 824 2012-01-16  Jason Merrill  <jason@redhat.com>
 825
 826         PR c++/14179
 827         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 828
 829 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 830
 831         PR bootstrap/51860
 832         * config/s390/s390.c (s390_chunkify_start): Don't skip
 833         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 834         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 835         If insn is followed by NOTE_INSN_VAR_LOCATION or
 836         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 837         Don't use location of note insns.
 838
 839         PR tree-optimization/51865
 840         * tree-inline.c (tree_function_versioning): Call remap_decl
 841         on DECL_RESULT whenever it has VOID_TYPE_P type.
 842
 843 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 844
 845         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 846         for calls to locally-binding MIPS16 functions if only the return
 847         type uses float regs.
 848
 849 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 850             Richard Sandiford  <rdsandiford@googlemail.com>
 851
 852         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 853         (SYMBOL_32_HIGH): Likewise.
 854         (mips_output_tls_reloc_directive): Declare.
 855         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 856         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 857         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 858         (mips_lo_relocs, mips_hi_relocs): Make extern.
 859         (mips16_stub_function): Move up file.
 860         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 861         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 862         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 863         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 864         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 865         (mips_get_tp): Add MIPS16 support.
 866         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 867         Generalize DTPREL and TPREL handling.
 868         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 869         Add MIPS16 TLS support.
 870         (mips_output_tls_reloc_directive): New function.
 871         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 872         * config/mips/predicates.md (symbolic_operand_with_high)
 873         (tls_reloc_operand): New predicates.
 874         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
 875         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
 876         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
 877         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
 878         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
 879         (*tls_get_tp_mips16_call_<mode>): Likewise.
 880
 881 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
 882
 883         PR rtl-optimization/51821
 884         * recog.c (peep2_find_free_register): Determine clobbered registers
 885         from insn pattern.
 886
 887 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
 888
 889         PR target/50925
 890         * config/avr/avr-protos.h: Revert change of 2012-01-09.
 891         * config/avr/avr.c: Likewise.
 892         * config/avr/avr.h: Likewise.
 893
 894 2012-01-13  Ian Lance Taylor  <iant@google.com>
 895
 896         PR c++/50012
 897         * tree.h (TYPE_QUALS): Add cast to int.
 898         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
 899
 900 2012-01-13  Ian Lance Taylor  <iant@google.com>
 901
 902         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
 903         comparing param_index to VEC_length result.
 904
 905 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
 906
 907         * c-decl.c: Do not include tree-mudflap.h
 908         * tree-optimize.c: Likewise.
 909         * Makefile.in: Update dependencies.
 910
 911 2012-01-13  Richard Guenther  <rguenther@suse.de>
 912
 913         PR middle-end/8081
 914         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
 915         variable-sized result always use RSO.
 916
 917 2012-01-12  DJ Delorie  <dj@redhat.com>
 918
 919         * cfgexpand.c (convert_debug_memory_address): Allow any valid
 920         pointer type, not just the default pointer type.
 921
 922 2012-01-09  Richard Henderson  <rth@redhat.com>
 923             Denis Chertykov  <chertykov@gmail.com>
 924
 925         PR target/50925
 926         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
 927         * config/avr/avr.c (avr_can_eliminate): Simplify.
 928         (avr_initial_elimination_offset): Likewise.
 929         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
 930         (expand_epilogue): Likewise.
 931         (avr_legitimize_address): Gut.
 932         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
 933         (avr_hard_regno_nregs): New.
 934         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
 935         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
 936         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
 937         add soft frame pointer.
 938         (CALL_USED_REGISTERS): Likewise.
 939         (REG_CLASS_CONTENTS): Likewise.
 940         (REGISTER_NAMES): Likewise.
 941         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
 942         (HARD_FRAME_POINTER_REGNUM): New.
 943         (FRAME_POINTER_REGNUM): Use soft frame pointer.
 944         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
 945         remove the HARD_FRAME_POINTER self-elimination.
 946
 947 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
 948
 949         PR target/51756
 950         * config/avr/avr.c (avr_encode_section_info): Test for absence of
 951         DECL_EXTERNAL when checking for initializers of progmem variables.
 952
 953 2012-01-12  Ira Rosen  <irar@il.ibm.com>
 954
 955         PR tree-optimization/51799
 956         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
 957         that the last operation is a type demotion.
 958
 959 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
 960
 961         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
 962         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
 963
 964 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
 965
 966         PR bootstrap/51796
 967         * combine.c (distribute_notes): If i3 is a noreturn call,
 968         allow old_size to be equal to args_size and make sure the
 969         noreturn call gets REG_ARGS_SIZE note.
 970         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
 971         on noreturn calls even when the delta is 0.
 972
 973 2012-01-11  Nathan Sidwell  <nathan@acm.org>
 974
 975         * gcov.c (STRING_SIZE): Remove.
 976         (generate_results): Erase annotations for source files with no
 977         coverage information.
 978         (read_line): New.
 979         (output_lines): Use it.
 980
 981 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 982
 983         * gimple.h (gimplify_body): Remove first argument.
 984         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
 985         pointer set here, instead just pass DATA to walk_tree.
 986         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
 987         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
 988         (unvisit_body): Likewise, but with unmark_visited.
 989         (gimplify_body): Remove BODY_P argument and adjust.
 990         (gimplify_function_tree): Adjust call to gimplify_body.
 991         * omp-low.c (finalize_task_copyfn): Likewise.
 992
 993 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 994
 995         * tree.h (build_function_decl_skip_args): Add boolean parameter.
 996         (build_function_type_skip_args): Delete.
 997         * tree.c (build_function_type_skip_args): Make static and add
 998         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
 999         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1000         pass it to build_function_type_skip_args.
1001         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1002         (tree_function_versioning): Likewise.
1003         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1004         build_function_decl_skip_args.
1005         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1006         and pass it to build_function_decl_skip_args/tree_function_versioning.
1007         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1008         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1009         * trans-mem.c (ipa_tm_create_version): Likewise.
1010         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1011         * tree-inline.c (declare_return_variable): Remove always-true test.
1012         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1013         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1014         * ipa-split.c (split_function): Skip the return value for the split
1015         part if it doesn't return.
1016
1017 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1018
1019         PR tree-optimization/49642
1020         * ipa-split.c (forbidden_dominators): New variable.
1021         (check_forbidden_calls): New function.
1022         (dominated_by_forbidden): Likewise.
1023         (consider_split): Check for forbidden dominators.
1024         (execute_split_functions): Initialize and free forbidden
1025         dominators info; call check_forbidden_calls.
1026
1027 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1028
1029         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1030
1031 2012-01-11  Nick Clifton  <nickc@redhat.com>
1032
1033         * config/rx/rx.md (return): Define pattern.
1034
1035 2012-01-11  Richard Guenther  <rguenther@suse.de>
1036
1037         * doc/extend.texi (malloc attribute): Adjust according to
1038         implementation.
1039
1040 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1041             Patrick Marlier  <patrick.marlier@gmail.com>
1042
1043         PR middle-end/51516
1044         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1045         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1046         (ipa_tm_note_irrevocable): Same.
1047         (ipa_tm_scan_irr_block): Same.
1048         (ipa_tm_decrement_clone_counts): Same.
1049         (ipa_tm_scan_irr_function): Same.
1050         (ipa_tm_create_version_alias): Same.
1051         (ipa_tm_create_version): Same.
1052         (ipa_tm_transform_calls_redirect): Same.
1053         (ipa_tm_transform_calls): Same.
1054         (ipa_tm_transform_transaction): Same.
1055         (ipa_tm_execute): Same.
1056
1057 2012-01-10  Richard Guenther  <rguenther@suse.de>
1058
1059         PR middle-end/51806
1060         * opts.c (common_handle_option): Handle -Werror.
1061
1062 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1063
1064         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1065         operand number.
1066
1067 2012-01-10  Jason Merrill  <jason@redhat.com>
1068
1069         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1070         information.
1071
1072 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1073
1074         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1075         supports R_386_TLS_GD_PLT reloc.
1076         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1077         supports R_386_TLS_LDM_PLT reloc.
1078         * configure: Regenerate.
1079         * config.in: Regenerate.
1080
1081 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1082
1083         PR target/49868
1084         Extend __pgmx semantics to linearize memory.
1085         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1086         determine if code comes inline or from libgcc.
1087         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1088         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1089         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1090         (movmemx_qi, movmemx_hi): New insns.
1091         (xload_<mode>_libgcc): Rewrite to new insn condition.
1092         (xload_<mode>): Remove insns.
1093         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1094         cases that don't satisfy avr_xload_libgcc_p().
1095         (avr_addr_space_convert): Allow converting in any direction.
1096         (avr_addr_space_subset_p): Return always true.
1097         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1098         (avr_emit_movmemhi): Ditto.
1099         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1100         (avr_out_movmem): Ditto.
1101         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1102         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1103         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1104         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1105         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1106
1107 2012-01-10  Richard Guenther  <rguenther@suse.de>
1108
1109         PR tree-optimization/50913
1110         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1111         Require data-refs to be representable by Graphite with respect
1112         to any loop nest.
1113
1114 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1115
1116         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1117         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1118
1119 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1120
1121         PR rtl-optimization/51271
1122         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1123         handling annulled branch.
1124
1125 2012-01-10  Richard Henderson  <rth@redhat.com>
1126
1127         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1128         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1129         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1130         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1131         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1132         arm_expand_vec_perm_const): New.
1133         * config/arm/arm-protos.h: Update.
1134         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1135         (*neon_vswp<VDQX>): New.
1136         (neon_vcombine<VDX>): Use neon_split_vcombine.
1137         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1138         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1139         (vec_perm<VE>): New.
1140
1141 2012-01-10  Richard Henderson  <rth@redhat.com>
1142
1143         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1144         use it if reload_completed.
1145         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1146         arm_output_asm_insn, arm_process_output_memory_barrier,
1147         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1148         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1149         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1150         arm_process_output_sync_insn, arm_output_sync_insn,
1151         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1152         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1153         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1154         (emit_unlikely_jump): New.
1155         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1156         (arm_split_atomic_op): New.
1157         * config/arm/arm-protos.h: Update.
1158         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1159         (struct arm_sync_generator): Remove.
1160         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1161         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1162         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1163         (VUNSPEC_LL, VUNSPEC_SC): New.
1164         (sync_result, sync_memory, sync_required_value, sync_new_value,
1165         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1166         (attr length): Don't use arm_sync_loop_insns.
1167         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1168         (movsfcc, movdfcc): Likewise.
1169         * config/arm/constraints.md (Ua): New.
1170         * config/arm/prediates.md (mem_noofs_operand): New.
1171         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1172         (sync_clobber, sync_t2_reqd): Remove.
1173         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1174         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1175         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1176         (arm_sync_compare_and_swap<SIDI>): Remove.
1177         (arm_sync_compare_and_swap<NARROW>): Remove.
1178         (arm_sync_lock_test_and_set<SIDI>): Remove.
1179         (arm_sync_lock_test_and_set<NARROW>): Remove.
1180         (arm_sync_new_<syncop><SIDI>): Remove.
1181         (arm_sync_new_<syncop><NARROW>): Remove.
1182         (arm_sync_new_nand<SIDI>): Remove.
1183         (arm_sync_new_nand<NARROW>): Remove.
1184         (arm_sync_old_<syncop><SIDI>): Remove.
1185         (arm_sync_old_<syncop><NARROW>): Remove.
1186         (arm_sync_old_nand<SIDI>): Remove.
1187         (arm_sync_old_nand<NARROW>): Remove.
1188         (*memory_barrier): Merge arm_output_memory_barrier.
1189         (atomic_compare_and_swap<QHSD>): New.
1190         (atomic_compare_and_swap<NARROW>_1): New.
1191         (atomic_compare_and_swap<SIDI>_1): New.
1192         (atomic_exchange<QHSD>): New.
1193         (cas_cmp_operand, cas_cmp_str): New.
1194         (atomic_op_operand, atomic_op_str): New.
1195         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1196         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1197         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1198         (arm_load_exclusive<NARROW>): New.
1199         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1200         (arm_store_exclusive<QHSD>): New.
1201
1202 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1203
1204         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1205         reload patterns if -mvsx-scalar-memory.
1206
1207         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1208         generated, even -mno-vsx-scalar-double was used.
1209         (vsx_xscvdpsp_scalar): Likewise.
1210         (vsx_xscvspdp_scalar2): Likewise.
1211
1212 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1213             Andrew Pinski  <apinski@cavium.com>
1214
1215         PR debug/51471
1216         * reorg.c (fill_slots_from_thread): Don't speculate
1217         frame-related insns.
1218
1219 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1220
1221         * sched-int.h (bb_note): Move to...
1222         * basic-block.h: ...here.
1223         * haifa-sched.c (bb_note): Move to...
1224         * cfgrtl.c: ...here.
1225         * function.c (next_block_for_reg): New function.
1226         (move_insn_for_shrink_wrap): Likewise.
1227         (prepare_shrink_wrap): Rewrite to use the above.
1228
1229 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1230
1231         * gimple.c (is_gimple_non_addressable): Remove.
1232         * gimple.h: Remove is_gimple_non_addressable.
1233         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1234         is_gimple_non_addressable.
1235         * trans-mem.c (expand_assign_tm): Same.
1236
1237 2012-01-09  Richard Guenther  <rguenther@suse.de>
1238
1239         PR tree-optimization/51775
1240         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1241         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1242
1243 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1244
1245         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1246         tuning parameters.
1247         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1248
1249 2012-01-09  Richard Guenther  <rguenther@suse.de>
1250
1251         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1252
1253 2012-01-08  Jan Hubicka  <jh@suse.cz>
1254
1255         PR tree-optimize/51680
1256         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1257         on when known_vals needs to be computed; cleanup.
1258
1259 2012-01-08  Jan Hubicka  <jh@suse.cz>
1260
1261         PR tree-optimize/51694
1262         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1263
1264 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1265
1266         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1267         for -std=c++98 and -std=c++11 too.
1268
1269 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1270
1271         * cfgloop.c (cancel_loop): Add free() of bbs array.
1272
1273 2012-01-07  Jan Hubicka  <jh@suse.cz>
1274
1275         PR tree-optimization/51600
1276         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1277         that benefits small functions.
1278
1279 2012-01-07  Jan Hubicka  <jh@suse.cz>
1280
1281         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1282
1283 2012-01-07  Jan Hubicka  <jh@suse.cz>
1284
1285         PR tree-optimization/51680
1286         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1287         whose inlining reduce unit size.
1288
1289 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1290
1291         PR bootstrap/51725
1292         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1293         Add canonical node to containing_mem chain after the non-canonical
1294         one, even if there weren't any locs to propagate.
1295         (remove_useless_values): Keep only canonical values.
1296         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1297         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1298         canonicalize mem_chain elements that are not discarded.
1299
1300 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1301
1302         PR target/47333
1303         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1304         before emitting functions.
1305
1306         PR gcov-profile/50127
1307         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1308         clear_aux_for_blocks.
1309
1310 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1311
1312         PR debug/51746
1313         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1314
1315 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1316
1317         * c-decl.c (ext_block): Moved up.
1318         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1319
1320 2012-01-06  Han Shen  <shenhan@google.com>
1321
1322         Translate built-in include paths for sysroot.
1323         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1324         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1325
1326         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1327         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1328
1329         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1330         control whether sysroot should be prepended to gxx include dir.
1331
1332         * configure: Regenerate.
1333
1334 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1335
1336         PR rtl-optimization/51771
1337         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1338         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1339
1340 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1341
1342         PR tree-optimization/51315
1343         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1344         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1345
1346 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1347
1348         PR target/51681
1349         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1350         for shrp pattern.  Correctly handle and fixup shift variable.
1351         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1352
1353 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1354
1355         PR debug/51762
1356         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1357         note when !ACCUMULATE_OUTGOING_ARGS.
1358
1359 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1360
1361         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1362         condition.
1363         (extract_range_from_unary_expr_1): Avoid useless computations.
1364
1365 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1366
1367         PR rtl-optimization/51767
1368         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1369         of jump_block and add an extra edge for degenerated asm gotos.
1370
1371         PR middle-end/51768
1372         * stmt.c (check_unique_operand_names): Don't ICE during error
1373         reporting if i is from labels chain.
1374
1375         PR middle-end/44777
1376         * profile.c (branch_prob): Split bbs that have exit edge
1377         and need a fake entry edge too.
1378
1379 2012-01-05  Jan Hubicka  <jh@suse.cz>
1380
1381         PR middle-end/49710
1382         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1383         unlooping loops.
1384
1385 2012-01-05  Richard Guenther  <rguenther@suse.de>
1386
1387         PR lto/50490
1388         * tree-streamer-out.c (write_ts_optimization): New function.
1389         (streamer_write_tree_body): Call it.
1390         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1391         (streamer_read_tree_body): Call it.
1392         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1393
1394 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1395
1396         PR middle-end/51761
1397         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1398         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1399         in_cleanup_point_expr before gimplify_stmt call and restore it
1400         afterwards.
1401         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1402         in_cleanup_point_expr is false.
1403
1404 2012-01-05  Richard Guenther  <rguenther@suse.de>
1405
1406         PR middle-end/51764
1407         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1408         to c.opt.
1409         * toplev.c (process_options): Reject combining mudflap and LTO.
1410         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1411
1412 2012-01-05  Richard Guenther  <rguenther@suse.de>
1413
1414         PR tree-optimization/51760
1415         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1416         not VARYING.
1417         (bit_value_unop): Handle UNDEFINED operands.
1418         (bit_value_binop): Likewise.
1419
1420 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1421
1422         * config/avr/avr.c (avr_replace_prefix): Remove.
1423         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1424         (avr_asm_function_rodata_section): Ditto.
1425         (avr_asm_select_section): Ditto.
1426
1427 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1428
1429         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1430         insertion.
1431
1432 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1433
1434         PR bootstrap/51648
1435         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1436         calls that have any non-fake successor edges.
1437
1438         PR debug/51746
1439         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1440
1441 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1442
1443         PR tree-optimization/51624
1444         * tree-sra.c (build_ref_for_model): When replicating a chain of
1445         COMPONENT_REFs, stop as soon as the offset would become negative.
1446
1447 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1448
1449         PR debug/51695
1450         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1451         in .debug_loc on the floor.
1452
1453 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1454
1455         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1456
1457 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1458             Adam Nemet  <anemet@caviumnetworks.com>
1459
1460         * config/mips/mips.md (size): Add SI and DI.
1461         (SIZE): New mode attribute.
1462         (U): New code attribute.
1463         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1464         (mips_lbux_<mode>): Delete.
1465         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1466         (mips_lhx): Use gen_mips_lhx_extsi.
1467         (mips_lhx_<mode>): Delete.
1468         (mips_lwx): Delete.
1469         (mips_l<size>x): New expand.
1470         (mips_lwx_<mode>): Delete.
1471         (mips_l<GPR:size>x_<P:mode>): New pattern.
1472         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1473         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1474         * config/mips/mips.c (mips_lx_address_p): New function.
1475         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1476         (dsp64): New availability predicate.
1477         (mips_builtins): Add an entry for __builtin_mips_ldx.
1478         * config/mips/mips.h (ISA_HAS_LBX): New define.
1479         (ISA_HAS_LBUX): Likewise.
1480         (ISA_HAS_LHX): Likewise.
1481         (ISA_HAS_LHUX): Likewise.
1482         (ISA_HAS_LWX): Likewise.
1483         (ISA_HAS_LWUX): Likewise.
1484         (ISA_HAS_LDX): Likewise.
1485         * doc/extend.texi (__builtin_mips_ldx): Document.
1486
1487 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1488
1489         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1490         when long pointers are used.
1491         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1492         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1493         (ia64-hp-*vms*): Remove.
1494         * config/vms/xm-vms64.h: Delete.
1495
1496 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1497
1498         PR middle-end/51472
1499         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1500
1501 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1502
1503         * opts.c (finish_options): Remove duplicate sorry.
1504
1505 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1506
1507         PR middle-end/51696
1508         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1509         correctly.
1510
1511 2012-01-04  Richard Guenther  <rguenther@suse.de>
1512
1513         PR middle-end/51750
1514         * tree.c (size_low_cst): New function.
1515         * tree.h (size_low_cst): Declare.
1516         * fold-const.c (fold_comparison): Use it to extract the low
1517         part of the POINTER_PLUS_EXPR offset.
1518
1519 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1520
1521         Fix clearing ZERO_REG
1522         * config/avr/avr.md (cc): Add alternative "ldi".
1523         (movqi_insn): Use it in cc attribute.
1524         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1525         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1526         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1527
1528 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1529
1530         * configure: Regenerate.
1531
1532 2012-01-04  Richard Guenther  <rguenther@suse.de>
1533
1534         PR tree-optimization/49651
1535         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1536         (var_can_have_subvars): Use it.
1537         (get_constraint_for_1): Only consider subfields if there can be any.
1538
1539 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1540
1541         PR bootstrap/51725
1542         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1543         to its new canonical_cselib_val and the cselib_val was in
1544         first_containing_mem chain, but the canonical_cselib_val was not,
1545         add the latter into the chain.
1546         (cselib_invalidate_mem): Compare canonical_cselib_val of
1547         addr_list chain elt with v.
1548
1549         PR pch/51722
1550         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1551         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1552         of xstrdup.
1553         (output_macinfo_op): Don't ggc_strdup fd->filename.
1554         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1555         then ggc_strdup it.  Don't free inc->info or cur->info.
1556         (output_macinfo): Don't free ref->info or file->info.
1557
1558 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1559
1560         PR tree-optimization/51269
1561         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1562         first_niters a pointer.
1563         (slpeel_tree_peel_loop_to_edge): Likewise.
1564         (vect_do_peeling_for_loop_bound): Update call to
1565         slpeel_tree_peel_loop_to_edge.
1566         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1567         here.  Remove it from the parameters list.
1568         (vect_do_peeling_for_alignment): Update calls and compute
1569         wide_prolog_niters.
1570
1571 2012-01-03  Richard Guenther  <rguenther@suse.de>
1572
1573         PR tree-optimization/51070
1574         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1575         Properly handle calls.
1576
1577 2012-01-03  Richard Guenther  <rguenther@suse.de>
1578
1579         PR tree-optimization/51692
1580         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1581         the LHS of allocation stmts.
1582
1583 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1584
1585         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1586
1587 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1588
1589         * collect2.c (main): In AIX specific computations for vector
1590         insertions, use CONST_CAST2 to cast from char ** to const char **.
1591
1592 2012-01-03  Richard Guenther  <rguenther@suse.de>
1593
1594         PR debug/51650
1595         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1596         the context of a limbo DIE when it does not already exist.
1597
1598 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR tree-optimization/51719
1601         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1602         but direct call is, clear direct call's lhs and don't add fallthrough
1603         edge from dcall_bb to join_bb and PHIs.
1604
1605 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1606
1607         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1608         the instructions emitted by the pattern.
1609         ("*TDC_insn_<mode>"): Add comment.
1610
1611 2012-01-03  Richard Guenther  <rguenther@suse.de>
1612
1613         PR middle-end/51730
1614         * fold-const.c (fold_comparison): Properly canonicalize
1615         tree offset and HOST_WIDE_INT bit position.
1616
1617 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1618
1619         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1620         operands for extzv pattern.
1621
1622 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1623
1624         PR bootstrap/51725
1625         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1626         on mem_elt first.
1627
1628 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1629
1630         * doc/invoke.texi (-flto and related options): Copy-edit.
1631
1632 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1633
1634         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1635
1636 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1637
1638         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1639         New patterns.
1640
1641 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1642
1643         * expr.h (move_by_pieces_ninsns): Declare.
1644         * expr.c (move_by_pieces_ninsns): Make external.
1645         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1646         (mips_store_by_pieces_p): Likewise.
1647         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1648         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1649         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1650         (mips_store_by_pieces_p): Likewise.
1651
1652 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1653
1654         * passes.c (register_one_dump_file): Free full_name.
1655
1656         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1657         (calculate_elim_costs_all_insns): Free offsets_at and
1658         offsets_known_at at the end and clear the pointers.
1659
1660 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1661
1662         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1663         this option introduced in r180739.
1664
1665 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1666
1667         PR target/51345
1668         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1669         (tmake_file target=avr): Add avr/t-multilib.
1670
1671         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1672         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1673         * config/avr/genmultilib.awk: New file.
1674         * config/avr/t-multilib: New auto-generated file.
1675         * config/avr/multilib.h: New auto-generated file.
1676         * config/avr/t-avr (AVR_MCUS): New variable.
1677         (genopt.sh): Use it.
1678         (s-mlib): Depend on t-multilib.
1679         (t-multilib, multilib.h): New dependencies.
1680         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1681         (MULTILIB_OPTIONS): Remove.
1682         (MULTILIB_MATCHES): Remove.
1683         (MULTILIB_DIRNAMES): Remove.
1684         (MULTILIB_EXCEPTIONS): Remove:
1685         * config/avr/genopt.sh: Don't use hard coded file name;
1686         pass AVR_MCUS from t-avr instead.
1687
1688 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1689
1690         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1691
1692 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1693
1694         Implement light-weight DImode support.
1695         * config/avr/avr-dimode.md: New file.
1696         * config/avr/avr.md: Include it.
1697         (adjust_len): Add plus64, compare64.
1698         (HIDI): Remove code iterator.
1699         (code_stdname): New code attribute.
1700         (rotx, rotsmode): Remove DI.
1701         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1702         as code iterator.
1703         * config/avr/avr-protos.h (avr_have_dimode): New.
1704         (avr_out_plus64, avr_out_compare64): New.
1705         * config/avr/avr.c (avr_out_compare): Handle DImode.
1706         (avr_have_dimode): New variable definition and initialization.
1707         (avr_out_compare64, avr_out_plus64): New functions.
1708         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1709         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1710         (avr_compare_pattern): Skip DImode comparisons.
1711
1712 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1713
1714         * ddg.c (def_has_ccmode_p): New function.
1715         (add_cross_iteration_register_deps,
1716         create_ddg_dep_from_intra_loop_link): Call it.
1717
1718 2012-01-02  Richard Guenther  <rguenther@suse.de>
1719
1720         PR other/51679
1721         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1722
1723 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1724
1725         * gcc.c (process_command): Update copyright notice dates.
1726         * gcov.c (print_version): Likewise.
1727         * gcov-dump.c (print_version): Likewise.
1728         * mips-tfile.c (main): Likewise.
1729         * mips-tdump.c (main): Likewise.
1730
1731 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1732
1733         PR tree-optimization/51704
1734         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1735         a use is inside the basic block or loop before accessing its vect info.
1736
1737 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1738
1739         PR rtl-optimization/51069
1740         * cfgloopmanip.c (remove_path): Removing path making irreducible
1741         region unconditional makes BB part of the region.
1742
1743 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR tree-optimization/51683
1746         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1747         calls with side-effects.
1748         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1749 \f
1750 Copyright (C) 2012 Free Software Foundation, Inc.
1751
1752 Copying and distribution of this file, with or without modification,
1753 are permitted in any medium without royalty provided the copyright
1754 notice and this notice are preserved.