gcc/ChangeLog

   1 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
   2
   3         * function.h (regno_reg_rtx): Adjust comment.
   4         * reginfo.c (init_reg_modes_target): Only use the previous mode
   5         if it fits within one register.  Remove MIPS comment.
   6
   7 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
   8
   9         PR bootstrap/52058
  10         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
  11
  12 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  13
  14         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
  15         to srak instruction.
  16
  17 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  18
  19         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
  20         condition.
  21
  22 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  23
  24         PR bootstrap/52041
  25         PR bootstrap/52039
  26         PR target/51974
  27         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
  28
  29 2012-01-31  Richard Guenther  <rguenther@suse.de>
  30
  31         PR tree-optimization/51528
  32         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
  33         assigns.
  34
  35 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
  36
  37         PR bootstrap/52041
  38         PR bootstrap/52039
  39         PR target/51974
  40         * ree.c (add_removable_extension): Change def_map argument
  41         to unsigned *, store in def_map 1 + offset into *insn_list vector
  42         instead of pointers into the vector.
  43         (find_removable_extensions): Adjust caller.
  44
  45 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
  46
  47         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
  48         Transform all "* quoted-c-code" to { c-code }.
  49         Remove redundant test for "optimize" in combine patterns.
  50         Move (include "avr-dimode.md") to end of file.
  51
  52 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
  53
  54         PR target/51835
  55         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
  56         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
  57
  58 2012-01-30  Richard Guenther  <rguenther@suse.de>
  59
  60         PR tree-optimization/52028
  61         * tree-loop-distribution.c (ldist_gen): Properly update
  62         virtual SSA form.
  63
  64 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
  65
  66         PR debug/52027
  67         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
  68         set_cur_line_info_table if not emitting debug info.
  69
  70         PR tree-optimization/52046
  71         * tree-vect-patterns.c (check_bool_pattern): Give up if
  72         a comparison could throw.
  73
  74         PR debug/52048
  75         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
  76
  77 2012-01-30  Richard Guenther  <rguenther@suse.de>
  78
  79         PR tree-optimization/52045
  80         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
  81         SSA form if cfgcleanup did anything.
  82
  83 2012-01-30  Richard Guenther  <rguenther@suse.de>
  84
  85         PR tree-optimization/52045
  86         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
  87         before computing final todo.
  88
  89 2012-01-30  Richard Guenther  <rguenther@suse.de>
  90
  91         PR tree-optimization/51528
  92         * tree-sra.c (sra_modify_assign): Re-factor in preparation
  93         for PR51528 fix.
  94
  95 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
  96
  97         * df-problems.c (df_kill_notes): Check that the use refers
  98         to the note under examination.
  99
 100 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
 101
 102         PR target/51920
 103         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
 104         parameter and use short-lived pseudos.
 105         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
 106         (sparc_expand_vector_init): Const-ify local variables and adjust
 107         calls to above functions.
 108
 109 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
 110
 111         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
 112
 113 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
 114
 115         * doc/invoke.texi: Make usage of "compile time" and
 116         "run time"/"runtime" consistent throughout the file.
 117
 118 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
 119
 120         * config/alpha/alpha.c (alpha_option_overrride): Default to
 121         full IEEE compliance mode for Go language.
 122
 123 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
 124
 125         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
 126         (LINK_SSP_SPEC): Define.
 127
 128 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 129
 130         PR target/51871
 131         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
 132         stubs.
 133
 134 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
 135
 136         * doc/invoke.texi: Correct hyphenation of "floating point",
 137         "double precision", and related terminology throughout the file.
 138
 139 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
 140
 141         PR target/52006
 142         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
 143         arm_general_register_operand predicate for operand 2 instead of
 144         register_operand.
 145
 146 2012-01-27  Ian Lance Taylor  <iant@google.com>
 147
 148         PR go/47656
 149         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
 150         * builtins.c (expand_builtin_init_trampoline): Add onstack
 151         parameter.  Change caller.
 152         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
 153         * tree.c (build_common_builtin_nodes): Declare
 154         __builtin_init_heap_trampoline.
 155
 156 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
 157
 158         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
 159         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
 160         * config/avr/avr.c: Ditto.
 161         (avr_regnames): Remove because unused.
 162         * config/avr/avr.md (*cpse.ne): New peephole.
 163         (*cpse.eq): New peephole from former cpse peepholes.
 164
 165 2012-01-27  Michael Eager  <eager@eagercon.com>
 166
 167         * config/microblaze.c (microblaze_emit_compare): Correct
 168         test after pcmp instruction.
 169
 170 2012-01-27  Richard Guenther  <rguenther@suse.de>
 171
 172         PR tree-optimization/52020
 173         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
 174
 175 2012-01-27  Richard Guenther  <rguenther@suse.de>
 176
 177         * ipa-pure-const.c (check_stmt): Clobbers do not make a
 178         function non-const/pure.
 179
 180 2012-01-27  Richard Guenther  <rguenther@suse.de>
 181
 182         PR tree-optimization/50444
 183         * tree-sra.c (build_ref_for_offset): Properly adjust the
 184         MEM_REF type for unaligned accesses.
 185
 186 2012-01-27  Richard Guenther  <rguenther@suse.de>
 187
 188         PR tree-optimization/50444
 189         * expr.c (mem_ref_refers_to_non_mem_p): New function.
 190         (expand_assignment): Use it.  Properly handle misaligned
 191         bases when expanding stores to component references.
 192         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
 193         refactor that case.
 194
 195 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
 196
 197         PR middle-end/51389
 198         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
 199         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
 200         * tree-data-ref.c (find_data_references_in_loop): Make static.
 201         (compute_all_dependences): Change return type to bool.  Bail out
 202         for too many datarefs in a loop.  Move the hunk resetting the data
 203         dependences vector from ...
 204         (compute_data_dependences_for_loop): ... here.  Account for
 205         compute_all_dependences returning false.
 206         (compute_data_dependences_for_bb): Likewise.
 207         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
 208         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
 209
 210 2012-01-27  Richard Guenther  <rguenther@suse.de>
 211
 212         PR middle-end/51959
 213         * expr.c (store_field): Use the alias-set of the scratch memory
 214         for storing to it.
 215
 216 2012-01-27  Tom de Vries  <tom@codesourcery.com>
 217
 218         PR tree-optimization/51990
 219         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 220         WITH_SIZE_EXPR.
 221         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
 222
 223 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
 224
 225         PR debug/52001
 226         * var-tracking.c (reverse_op): Don't add any reverse operation
 227         if V already has any constant locations.
 228
 229 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 230
 231         * doc/invoke.texi: Correct usage of "command line" (noun)
 232         vs "command-line" (adjective) throughout.
 233
 234 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
 235
 236         * doc/invoke.texi (Language Independent Options): Move
 237         -Wcoverage-mismatch blurb from here....
 238         (Warning Options): ...to here.
 239
 240 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
 241
 242         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 243         Set rs6000_always_hint to false for 476.
 244
 245 2012-01-27  Matthias Klose  <doko@ubuntu.com>
 246
 247         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
 248           system root.
 249         * incpath.c (add_standard_paths): Likewise.
 250
 251 2012-01-27  Richard Henderson  <rth@redhat.com>
 252
 253         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 254         * config/m68k/sync.md (atomic_test_and_set): Rename from
 255         sync_test_and_setqi and adjust the operands.
 256         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
 257         and unconditionally enable.
 258
 259 2012-01-27  Richard Henderson  <rth@redhat.com>
 260
 261         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 262         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
 263         (ldstub): Rename from ldstubqi.
 264         (ldstub<I24MODE>): Remove.
 265
 266 2012-01-27  Richard Henderson  <rth@redhat.com>
 267
 268         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
 269         * c-cppbuiltin.c (cpp_atomic_builtins): Define
 270         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
 271         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
 272         * doc/tm.texi: Rebuild.
 273
 274 2012-01-27  Richard Henderson  <rth@redhat.com>
 275
 276         * optabs.c (gen_atomic_test_and_set): Remove default.
 277         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
 278
 279 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 280
 281         PR rtl-optimization/51978
 282         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
 283         (combine_reaching_defs): Likewise.
 284         (struct re_info): Remove.
 285         (add_removable_extension): Remove x and data arguments,
 286         add insn, insn_list and def_map.  Use the arguments directly
 287         instead of using struct re_info.
 288         (find_removable_extensions): Don't call add_removable_extension
 289         through note_stores, instead just call it with single_set
 290         result if non-NULL.
 291         (find_and_remove_re): Pass curr_cand->expr instead of
 292         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
 293
 294 2012-01-26  Michael Matz  <matz@suse.de>
 295
 296         PR tree-optimization/46590
 297         * cfgexpand.c: Revert last change (r183305).
 298         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
 299         regs.
 300         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
 301         checking for emptiness.
 302
 303 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
 304
 305         PR middle-end/51895
 306         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
 307         non-addressable non-BLKmode base correctly.
 308
 309 2012-01-26  Michael Matz  <matz@suse.de>
 310
 311         PR tree-optimization/48794
 312         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
 313         regions referenced from RESX/EH_DISPATCH.
 314
 315 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 316
 317         * config/s390/s390.h: Make BRANCH_COST an option.
 318         * config/s390/s390.opt: New option -mbranch-cost.
 319
 320 2012-01-26  Richard Henderson  <rth@redhat.com>
 321
 322         Revert 2012-01-24 change:
 323         * trans-mem.c (requires_barrier): Do not instrument thread local
 324         variables and emit save/restore for them.
 325
 326 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 327
 328         PR middle-end/51986
 329         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
 330         for pat == 0.
 331
 332 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
 333
 334         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
 335         ASM_OPERANDS.
 336
 337 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
 338
 339         PR target/49868
 340         Rename __pgm to __flash.
 341         Rename __pgm1 to __flash1.
 342         Rename __pgm2 to __flash2.
 343         Rename __pgm3 to __flash3.
 344         Rename __pgm4 to __flash4.
 345         Rename __pgm5 to __flash5.
 346         Rename __pgmx to __memx.
 347         * doc/extend.texi (AVR Named Address Spaces)
 348         Rename address space names as indicated above.
 349         * config/avr/avr.c (avr_addrspace): Ditto.
 350
 351         * config/avr/avr-protos.h
 352         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
 353         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
 354         * config/avr/predicates.md: Ditto.
 355         * config/avr/avr.c Ditto, and
 356         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
 357         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
 358
 359         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
 360         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
 361         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
 362         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
 363         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
 364         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
 365         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
 366         * config/avr/avr.c: Ditto.
 367         * config/avr/avr.md: Ditto.
 368
 369 2012-01-25  Jason Merrill  <jason@redhat.com>
 370
 371         PR c++/51992
 372         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
 373
 374 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
 375
 376         PR tree-optimization/51987
 377         * tree-data-ref.c (get_references_in_stmt): Handle references in
 378         non-volatile GIMPLE_ASM.
 379
 380 2012-01-25  Richard Guenther  <rguenther@suse.de>
 381
 382         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
 383         bases are dereferenced.
 384
 385 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 386
 387         PR rtl-optimization/48374
 388         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
 389
 390 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
 391
 392         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
 393         compute_data_dependences_for_loop returns false.
 394         * tree-parloops.c (loop_parallel_p): Likewise.
 395
 396 2012-01-25  Richard Guenther  <rguenther@suse.de>
 397
 398         * tree.h (get_pointer_alignment_1): Declare.
 399         * builtins.c (get_pointer_alignment_1): New function.
 400         (get_pointer_alignment): Use it.
 401
 402 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 403
 404         PR rtl-optimization/48308
 405         * combine.c (enum undo_kind): Add UNDO_LINKS.
 406         (struct undo): Add member l to other_contents and where.
 407         (do_SUBST_LINK): New.
 408         (SUBST_LINK): New.
 409         (try_combine): Handle LOG_LINKS for the dummy i1 case.
 410         (undo_all): Handle UNDO_LINKS.
 411
 412 2012-01-25  Richard Henderson  <rth@redhat.com>
 413
 414         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
 415         mem inputs.
 416
 417 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 418
 419         * optabs.c (gen_atomic_test_and_set): Use each argument.
 420
 421 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 422
 423         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
 424         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
 425         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
 426         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
 427         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
 428         TARGET_PAIRED_SINGLE_FLOAT.
 429
 430 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 431
 432         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 433         (in_struct, return_val): Remove MEM documentation.
 434         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
 435         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
 436         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
 437         and MEM_SCALAR.
 438         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
 439         * cfgexpand.c (add_alias_set_conflicts): Likewise.
 440         * expr.c (store_field): Likewise.
 441         * function.c (assign_stack_temp_for_type): Likewise.
 442         * ifcvt.c (noce_try_cmove_arith): Likewise.
 443         * reload1.c (reload): Likewise.
 444         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
 445         (alpha_set_memflags): Likewise.
 446         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
 447
 448 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
 449
 450         * rtl.h (true_dependence, canon_true_dependence): Remove varies
 451         parameter.
 452         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
 453         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
 454         (true_dependence_1, true_dependence, canon_true_dependence): Remove
 455         varies parameter.
 456         * cselib.c (cselib_rtx_varies_p): Delete.
 457         (cselib_invalidate_mem): Update call to canon_true_dependence.
 458         * dse.c (record_store, check_mem_read_rtx): Likewise.
 459         (scan_reads_nospill): Likewise.
 460         * cse.c (check_dependence): Likewise.
 461         (cse_rtx_varies_p): Delete.
 462         * expr.c (safe_from_p): Update call to true_dependence.
 463         * ira.c (validate_equiv_mem_from_store): Likewise.
 464         (memref_referenced_p): Likewise.
 465         * postreload-gcse.c (find_mem_conflicts): Likewise.
 466         * sched-deps.c (sched_analyze_2): Likewise.
 467         * store-motion.c (load_kills_store): Likewise.
 468         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
 469         * gcse.c (mems_conflict_for_gcse_p): Likewise.
 470         (compute_transp): Update call to canon_true_dependence.
 471
 472 2012-01-25  Richard Henderson  <rth@redhat.com>
 473
 474         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
 475         (maybe_emit_atomic_test_and_set): New.
 476         (expand_sync_lock_test_and_set): Use it.
 477         (expand_atomic_test_and_set): Likewise.
 478         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
 479         the implementation; clarify implementation defined details.
 480         * doc/md.texi (atomic_test_and_set): Document.
 481
 482 2012-01-25  Richard Henderson  <rth@redhat.com>
 483
 484         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
 485
 486 2012-01-25  Richard Henderson  <rth@redhat.com>
 487
 488         PR target/51968
 489         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
 490         to effect no-op split.
 491
 492 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 493
 494         PR lto/51698
 495         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
 496         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
 497         (BT_FN_VOID_PTR_INT_SIZE): New.
 498         (BT_FN_UINT_UINT_VAR): Remove.
 499         (BT_FN_UINT32_UINT32_VAR): New.
 500         (BT_FN_DOUBLE_VPTR): Remove.
 501         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
 502
 503         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
 504         (_ITM_changeTransactionMode): Same.
 505         (_ITM_memmoveRtWt): Change return type to void.
 506         (_ITM_memcpyRtWt): Same.
 507         (_ITM_memsetW): Same.
 508         (_ITM_RaRD): Change types to double.
 509         (_ITM_RD): Same.
 510         (_ITM_RaWD): Same.
 511         (_ITM_RfWD): Same.
 512
 513         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
 514
 515 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
 516             Patrick Marlier  <patrick.marlier@gmail.com>
 517
 518         * trans-mem.c (requires_barrier): Do not instrument thread local
 519         variables and emit save/restore for them.
 520
 521 2012-01-24  Jason Merrill  <jason@redhat.com>
 522
 523         PR c++/51812
 524         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
 525         output static aliases.
 526
 527 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 528
 529         PR driver/47249
 530         * common.opt (-pie, -shared, pie, shared): Change from Common to
 531         Driver.
 532         * gcc.c (display_help): Display help for -pie and -shared.
 533
 534 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
 535
 536         PR target/49868
 537         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
 538         Remove note on size/offset limitation.
 539         (AVR Variable Attributes): Add example how to read data located
 540         with progmem.  Refer to named address spaces.
 541         * doc/invoke.texi (AVR Options): Fix typo.
 542
 543 2012-01-24  Richard Guenther  <rguenther@suse.de>
 544
 545         Forward-port to trunk
 546         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
 547
 548         PR middle-end/45678
 549         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
 550         op0 isn't sufficiently aligned and there is movmisalignM
 551         insn for mode, use it to load op0 into a temporary register.
 552
 553 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
 554
 555         PR target/51957
 556         * target.def (const_not_ok_for_debug_p): New hook.
 557         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
 558         documentation.
 559         * doc/tm.texi: Regenerated.
 560         * dwarf2out.c (const_ok_for_output_1): If
 561         targetm.const_not_ok_for_debug_p returns true, fail.
 562         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
 563         function.
 564         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
 565
 566 2012-01-23  Kai Tietz  <ktietz@redhat.com>
 567
 568         PR target/51900
 569         * config/i386/predicates.md (symbolic_operand): Allow
 570         UNSPEC_PCREL as PIC expression for lea.
 571         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
 572         * config/i386/i386.c (ix86_delegitimize_address): Handle
 573         UNSPEC_PCREL for none-MEM, too.
 574
 575 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 576
 577         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
 578         (ipa_tm_create_version_alias): Same.
 579
 580 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
 581
 582         PR libitm/51830
 583         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
 584         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
 585
 586 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
 587             Patrick Marlier  <patrick.marlier@gmail.com>
 588             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
 589
 590         PR lto/51916
 591         * lto-wrapper.c (run_gcc): Pass the LTO section name to
 592         simple_object_start_read.
 593
 594 2012-01-23  Richard Guenther  <rguenther@suse.de>
 595
 596
 597         PR tree-optimization/51895
 598         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
 599         parameter decomposition into BLKmode components.
 600
 601 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
 602
 603         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
 604         fake variables for restrict-qualified pointers whose pointed-to type
 605         contains a placeholder.
 606
 607 2012-01-23  Richard Guenther  <rguenther@suse.de>
 608
 609         PR tree-optimization/51949
 610         * ipa-split.c (execute_split_functions): Do not split malloc functions.
 611
 612 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
 613
 614         PR rtl-optimization/51933
 615         * ree.c (transform_ifelse): Return true right away if dstreg is
 616         already wider or equal to cand->mode.
 617         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
 618         (make_defs_and_copies_lists): Remove defs_list and copies_list
 619         arguments, add state argument, just truncate state->work_list
 620         instead of always allocating and freeing the vector.  Assert that
 621         get_defs succeeds instead of returning 2.  Changed return type to bool.
 622         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
 623         have ext_src_mode, see if it has been modified already with the
 624         right kind of extension and has been extended before from the
 625         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
 626         just return true.  Remember the original mode in state->modified array.
 627         (combine_reaching_defs): Add state argument.  Don't allocate and
 628         free here def_list, copied_list and vec vectors, instead just
 629         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
 630         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
 631         Add state variable, clear vectors in it, initialize state.modified
 632         if needed.  Free all the vectors at the end and state.modified too.
 633         Don't skip a candidate if the extension expression has been modified.
 634
 635 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
 636
 637         PR target/47096
 638         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
 639          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
 640         (extra_options) interix.opt -> i386/interix.opt"
 641         (extra_objs):Add winnt-stubs.o
 642         * configure.ac: Add interix to target_os .comm on PE check.
 643         * configure: Regenerate.
 644         * config/interix3.h: Delete and move bits to..
 645         * config/interix.h: Delete and move bits to..
 646         * config/i386/i386-interix3.h: Delete and move bits to..
 647         * config/i386/i386-interix.h: ..here.
 648         (TARGET_CPU_DEFAULT): Remove redefinition.
 649         (TARGET_ASM_CONSTRUCTOR): Undefine.
 650         (SUBTARGET_SWITCHES): Define for ms-bitfields.
 651         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
 652         (PTRDIFF_TYPE): Define.
 653         (LONG_DOUBLE_TYPE_SIZE): Define.
 654         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
 655         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
 656         (TARGET_SECTION_TYPE_FLAGS): Define.
 657         (ASM_DECLARE_FUNCTION_NAME): Define.
 658         (ASM_OUTPUT_EXTERNAL): Define.
 659         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
 660         (ASM_OUTPUT_ALIGNED_BSS): Define.
 661         (PCC_BITFIELD_TYPE_MATTERS): Define.
 662         (USE_CONST_SECTION): Define.
 663         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
 664         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 665         (SUPPORTS_ONE_ONLY): Remove.
 666         (I386_PE_STRIP_ENCODING): Define.
 667         * config/interix.opt: Delete and move bits to..
 668         * config/i386/interix.opt: ..here. New.
 669         (mpe-aligned-commons): Add.
 670         * config/i386/t-interix: Add copyright header.
 671         (winnt-stubs.o): Add rule.
 672
 673 2012-01-22  Jason Merrill  <jason@redhat.com>
 674
 675         PR c++/51832
 676         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
 677         for extra name aliases.
 678
 679 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
 680
 681         PR rtl-optimization/51924
 682         * ree.c (combine_set_extension): Improve debugging message.
 683         (combine_reaching_defs): Likewise.
 684         (get_defs): Rename confusingly named variable.
 685         (find_and_remove_re): Skip a candidate if the extension expression has
 686         been modified.
 687
 688 2012-01-21  Robert Millan  <rmh@gnu.org>
 689             Gerald Pfeifer  <gerald@pfeifer.com>
 690
 691         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
 692         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
 693
 694 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 695
 696         PR tree-optimization/51914
 697         * tree-vect-stmts.c (vectorizable_conversion): For
 698         cvt_type && modifier == WIDEN, put temporary with cvt_type
 699         at the beginning of vec_dsts and set vec_dest to temporary
 700         with vectype_out.
 701
 702 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
 703
 704         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
 705
 706 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
 707
 708         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
 709         * config/rs6000/rs6000.c: Likewise.
 710
 711 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
 712
 713         PR target/51915
 714         * config/arm/arm.c (arm_count_output_move_double_insns): Call
 715         output_move_double on a copy of operands array.
 716
 717 2012-01-20  Cary Coutant  <ccoutant@google.com>
 718             Dodji Seketeli  <dodji@redhat.com>
 719
 720         PR debug/45682
 721         * dwarf2out.c (copy_declaration_context): Return ref to parent
 722         of declaration DIE, if necessary.
 723         (remove_child_or_replace_with_skeleton): Add new parameter; update
 724         caller.  Place skeleton DIE under parent DIE of original declaration.
 725         Move call to copy_declaration_context to here ...
 726         (break_out_comdat_types): ... from here.
 727
 728 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 729
 730         PR rtl-optimization/51856
 731         * reload.c (find_reloads_subreg_address): Set the address_reloaded
 732         flag to reloaded.
 733
 734 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 735
 736         PR target/51819
 737         * config/arm/arm.c (arm_print_operand): Correct output of alignment
 738         hints for neon loads and stores.
 739
 740 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
 741
 742         PR target/49868
 743         PR target/50887
 744         * doc/extend.texi (Named Address Spaces): Split into subsections.
 745         (AVR Named Address Spaces): New subsection.
 746         (M32C Named Address Spaces): New subsection.
 747         (RL78 Named Address Spaces): New subsection.
 748         (SPU Named Address Spaces): New subsection.
 749         (Variable Attributes): New anchor "AVR Variable Attributes".
 750         (AVR Variable Attributes): Rewrite and avoid wording
 751         "address space" in this context.
 752         * doc/invoke.texi (AVR Options): Rewrite and add documentation
 753         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
 754         (AVR Built-in Macros): New subsubsection therein.
 755         * doc/md.texi (AVR constraints): Remove "C04", "R".
 756
 757 2012-01-20  Richard Guenther  <rguenther@suse.de>
 758
 759         PR tree-optimization/51903
 760         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
 761         when removing stmts.
 762
 763 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 764
 765         PR target/50313
 766         * config/arm/arm.c (arm_load_pic_register): Use
 767         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
 768         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
 769         (arm_pic_static_addr): Likewise.
 770         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
 771         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
 772         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
 773         (pic_load_addr_unified): New.
 774
 775 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
 776
 777         PR target/51106
 778         * function.c (instantiate_virtual_regs_in_insn): Use
 779         delete_insn_and_edges when removing a wrong asm insn.
 780
 781 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
 782
 783         PR rtl-optimization/40761
 784         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
 785         Add new member loop_num.
 786         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
 787         (ira_build): Remove the parameter.
 788
 789         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
 790         (ira.c): Do not build CFG loops for one region allocation.  Remove
 791         argument from ira_build call.
 792
 793         * ira-build.c (init_loop_tree_node): New function.
 794         (create_loop_tree_nodes): Use it.  Separate the case when CFG
 795         loops are not built.
 796         (more_one_region_p): Check current_loops.
 797         (finish_loop_tree_nodes): Separate the case when CFG loops are not
 798         built.
 799         (add_loop_to_tree): Process loop equal to NULL too.
 800         (form_loop_tree): Separate the case when CFG loops are not built.
 801         Use explicitly number for the root.
 802         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
 803         an assertion.
 804         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
 805         instead of loop->num.
 806         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
 807         (mark_all_loops_for_removal): Ditto.
 808         (remove_unnecessary_regions): Separate the case when CFG loops
 809         are not built.
 810         (ira_build): Remove the parameter.  Use explicit number of regions
 811         when CFG loops are not built.
 812
 813         * ira-color.c (print_loop_title): Separate the case for the root node.
 814         Use loop_num instead of loop->num.
 815         (move_spill_restore): Use loop_num instead of loop->num.
 816
 817         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
 818         (change_loop): Ditto.
 819         (change_loop): Use loop_num instead of loop->num.
 820
 821         * ira-lives.c (process_bb_node_lives): Ditto.
 822
 823         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
 824
 825         * ira-conflicts.c (print_allocno_conflicts): Ditto.
 826
 827 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 828
 829         PR libmudflap/40778
 830         * tree-mudflap.c (mf_artificial): New function.
 831         (execute_mudflap_function_ops, execute_mudflap_function_decls,
 832         mx_register_decls, mudflap_enqueue_decl): Use it.
 833
 834         PR target/51876
 835         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
 836         numbers in the insn pattern.
 837
 838 2012-01-19  Michael Matz  <matz@suse.de>
 839
 840         PR tree-optimization/46590
 841         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
 842         use it in remembering which conflicts we already created.
 843         (add_scope_conflicts): Adjust call to above, (de)allocate helper
 844         bitmap.
 845
 846 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
 847
 848         PR lto/51280
 849         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
 850         (merge_and_complain): Same.
 851
 852 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
 853
 854         PR bootstrap/50237
 855         * config/initfini-array.h: Guard content of the header
 856         with #ifdef HAVE_INITFINI_ARRAY.
 857         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
 858         Add initfini-array.h to tm_file here.
 859         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
 860         * config.gcc: Don't add initfini-array.h to tm_file here.
 861         * configure: Regenerated.
 862
 863 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
 864
 865         PR rtl-optimization/51505
 866         * df-problems.c (df_kill_notes): New parameter live. Update comment.
 867         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
 868         (df_note_bb_compute): Update the call to df_kill_notes.
 869
 870 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
 871
 872         * trans-mem.c (requires_barrier): Remove call to is_global_var.
 873
 874 2012-01-18  Richard Guenther  <rguenther@suse.de>
 875
 876         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
 877         of conversions to void *.
 878
 879 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 880             Richard Sandiford  <rdsandiford@googlemail.com>
 881
 882         PR middle-end/50325
 883         PR middle-end/51192
 884         * optabs.h (simplify_expand_binop): Declare.
 885         * optabs.c (simplify_expand_binop): Make global.
 886         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
 887         endian targets if the source cannot be exactly covered by word
 888         mode chunks.
 889
 890 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 891
 892         PR bootstrap/51872
 893         * hard-reg-set.h (struct hard_reg_set_container): New type.
 894         * target.h (struct hard_reg_set_container): Forward declare.
 895         * target.def (set_up_by_prologue): New target hook.
 896         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
 897         * doc/tm.texi: Regenerated.
 898         * function.c (thread_prologue_and_epilogue_insns): Change
 899         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
 900         Call targetm.set_up_by_prologue on it.
 901         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
 902         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
 903
 904 2012-01-17  Nick Clifton  <nickc@redhat.com>
 905
 906         * config/rx/rx.c (rx_can_use_simple_return): New function.
 907         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
 908         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
 909
 910 2012-01-17  Richard Guenther  <rguenther@suse.de>
 911
 912         PR middle-end/51782
 913         * expr.c (expand_assignment): Take address-space information
 914         from the address operand of MEM_REF and TARGET_MEM_REF.
 915         (expand_expr_real_1): Likewise.
 916
 917 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 918
 919         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
 920         reload dump is requested.
 921
 922 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
 923
 924         PR other/51165
 925         * trans-mem.c (requires_barrier): Call may_be_aliased.
 926
 927 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
 928
 929         PR tree-optimization/51877
 930         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
 931         call arguments and fndecls compare equal, instead return false if they
 932         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
 933         both SSA_NAMEs that are valueized the same, or they satisfy
 934         operand_equal_p.
 935
 936 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 937
 938         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
 939         Solaris 11+.
 940         * configure: Regenerate.
 941
 942 2012-01-16  Jan Hubicka  <jh@suse.cz>
 943
 944         PR c/12245
 945         PR c++/14179
 946         * convert.c (convert_to_integer): Use fold_convert for
 947         converting an INTEGER_CST to integer type.
 948
 949 2012-01-16  Jason Merrill  <jason@redhat.com>
 950
 951         PR c++/14179
 952         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
 953
 954 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
 955
 956         PR bootstrap/51860
 957         * config/s390/s390.c (s390_chunkify_start): Don't skip
 958         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
 959         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
 960         If insn is followed by NOTE_INSN_VAR_LOCATION or
 961         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
 962         Don't use location of note insns.
 963
 964         PR tree-optimization/51865
 965         * tree-inline.c (tree_function_versioning): Call remap_decl
 966         on DECL_RESULT whenever it has VOID_TYPE_P type.
 967
 968 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
 969
 970         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
 971         for calls to locally-binding MIPS16 functions if only the return
 972         type uses float regs.
 973
 974 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
 975             Richard Sandiford  <rdsandiford@googlemail.com>
 976
 977         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
 978         (SYMBOL_32_HIGH): Likewise.
 979         (mips_output_tls_reloc_directive): Declare.
 980         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
 981         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
 982         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
 983         (mips_lo_relocs, mips_hi_relocs): Make extern.
 984         (mips16_stub_function): Move up file.
 985         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
 986         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
 987         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
 988         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
 989         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
 990         (mips_get_tp): Add MIPS16 support.
 991         (mips_legitimize_tls_address): Remove MIPS16 sorry().
 992         Generalize DTPREL and TPREL handling.
 993         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
 994         Add MIPS16 TLS support.
 995         (mips_output_tls_reloc_directive): New function.
 996         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
 997         * config/mips/predicates.md (symbolic_operand_with_high)
 998         (tls_reloc_operand): New predicates.
 999         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1000         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1001         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1002         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1003         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1004         (*tls_get_tp_mips16_call_<mode>): Likewise.
1005
1006 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1007
1008         PR rtl-optimization/51821
1009         * recog.c (peep2_find_free_register): Determine clobbered registers
1010         from insn pattern.
1011
1012 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1013
1014         PR target/50925
1015         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1016         * config/avr/avr.c: Likewise.
1017         * config/avr/avr.h: Likewise.
1018
1019 2012-01-13  Ian Lance Taylor  <iant@google.com>
1020
1021         PR c++/50012
1022         * tree.h (TYPE_QUALS): Add cast to int.
1023         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1024
1025 2012-01-13  Ian Lance Taylor  <iant@google.com>
1026
1027         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1028         comparing param_index to VEC_length result.
1029
1030 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1031
1032         * c-decl.c: Do not include tree-mudflap.h
1033         * tree-optimize.c: Likewise.
1034         * Makefile.in: Update dependencies.
1035
1036 2012-01-13  Richard Guenther  <rguenther@suse.de>
1037
1038         PR middle-end/8081
1039         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1040         variable-sized result always use RSO.
1041
1042 2012-01-12  DJ Delorie  <dj@redhat.com>
1043
1044         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1045         pointer type, not just the default pointer type.
1046
1047 2012-01-09  Richard Henderson  <rth@redhat.com>
1048             Denis Chertykov  <chertykov@gmail.com>
1049
1050         PR target/50925
1051         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1052         * config/avr/avr.c (avr_can_eliminate): Simplify.
1053         (avr_initial_elimination_offset): Likewise.
1054         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1055         (expand_epilogue): Likewise.
1056         (avr_legitimize_address): Gut.
1057         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1058         (avr_hard_regno_nregs): New.
1059         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1060         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1061         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1062         add soft frame pointer.
1063         (CALL_USED_REGISTERS): Likewise.
1064         (REG_CLASS_CONTENTS): Likewise.
1065         (REGISTER_NAMES): Likewise.
1066         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1067         (HARD_FRAME_POINTER_REGNUM): New.
1068         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1069         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1070         remove the HARD_FRAME_POINTER self-elimination.
1071
1072 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1073
1074         PR target/51756
1075         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1076         DECL_EXTERNAL when checking for initializers of progmem variables.
1077
1078 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1079
1080         PR tree-optimization/51799
1081         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1082         that the last operation is a type demotion.
1083
1084 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1085
1086         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1087         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1088
1089 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1090
1091         PR bootstrap/51796
1092         * combine.c (distribute_notes): If i3 is a noreturn call,
1093         allow old_size to be equal to args_size and make sure the
1094         noreturn call gets REG_ARGS_SIZE note.
1095         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1096         on noreturn calls even when the delta is 0.
1097
1098 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1099
1100         * gcov.c (STRING_SIZE): Remove.
1101         (generate_results): Erase annotations for source files with no
1102         coverage information.
1103         (read_line): New.
1104         (output_lines): Use it.
1105
1106 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1107
1108         * gimple.h (gimplify_body): Remove first argument.
1109         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1110         pointer set here, instead just pass DATA to walk_tree.
1111         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1112         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1113         (unvisit_body): Likewise, but with unmark_visited.
1114         (gimplify_body): Remove BODY_P argument and adjust.
1115         (gimplify_function_tree): Adjust call to gimplify_body.
1116         * omp-low.c (finalize_task_copyfn): Likewise.
1117
1118 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1119
1120         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1121         (build_function_type_skip_args): Delete.
1122         * tree.c (build_function_type_skip_args): Make static and add
1123         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1124         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1125         pass it to build_function_type_skip_args.
1126         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1127         (tree_function_versioning): Likewise.
1128         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1129         build_function_decl_skip_args.
1130         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1131         and pass it to build_function_decl_skip_args/tree_function_versioning.
1132         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1133         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1134         * trans-mem.c (ipa_tm_create_version): Likewise.
1135         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1136         * tree-inline.c (declare_return_variable): Remove always-true test.
1137         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1138         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1139         * ipa-split.c (split_function): Skip the return value for the split
1140         part if it doesn't return.
1141
1142 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1143
1144         PR tree-optimization/49642
1145         * ipa-split.c (forbidden_dominators): New variable.
1146         (check_forbidden_calls): New function.
1147         (dominated_by_forbidden): Likewise.
1148         (consider_split): Check for forbidden dominators.
1149         (execute_split_functions): Initialize and free forbidden
1150         dominators info; call check_forbidden_calls.
1151
1152 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1153
1154         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1155
1156 2012-01-11  Nick Clifton  <nickc@redhat.com>
1157
1158         * config/rx/rx.md (return): Define pattern.
1159
1160 2012-01-11  Richard Guenther  <rguenther@suse.de>
1161
1162         * doc/extend.texi (malloc attribute): Adjust according to
1163         implementation.
1164
1165 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1166             Patrick Marlier  <patrick.marlier@gmail.com>
1167
1168         PR middle-end/51516
1169         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1170         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1171         (ipa_tm_note_irrevocable): Same.
1172         (ipa_tm_scan_irr_block): Same.
1173         (ipa_tm_decrement_clone_counts): Same.
1174         (ipa_tm_scan_irr_function): Same.
1175         (ipa_tm_create_version_alias): Same.
1176         (ipa_tm_create_version): Same.
1177         (ipa_tm_transform_calls_redirect): Same.
1178         (ipa_tm_transform_calls): Same.
1179         (ipa_tm_transform_transaction): Same.
1180         (ipa_tm_execute): Same.
1181
1182 2012-01-10  Richard Guenther  <rguenther@suse.de>
1183
1184         PR middle-end/51806
1185         * opts.c (common_handle_option): Handle -Werror.
1186
1187 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1188
1189         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1190         operand number.
1191
1192 2012-01-10  Jason Merrill  <jason@redhat.com>
1193
1194         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1195         information.
1196
1197 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1198
1199         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1200         supports R_386_TLS_GD_PLT reloc.
1201         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1202         supports R_386_TLS_LDM_PLT reloc.
1203         * configure: Regenerate.
1204         * config.in: Regenerate.
1205
1206 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1207
1208         PR target/49868
1209         Extend __pgmx semantics to linearize memory.
1210         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1211         determine if code comes inline or from libgcc.
1212         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1213         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1214         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1215         (movmemx_qi, movmemx_hi): New insns.
1216         (xload_<mode>_libgcc): Rewrite to new insn condition.
1217         (xload_<mode>): Remove insns.
1218         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1219         cases that don't satisfy avr_xload_libgcc_p().
1220         (avr_addr_space_convert): Allow converting in any direction.
1221         (avr_addr_space_subset_p): Return always true.
1222         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1223         (avr_emit_movmemhi): Ditto.
1224         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1225         (avr_out_movmem): Ditto.
1226         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1227         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1228         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1229         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1230         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1231
1232 2012-01-10  Richard Guenther  <rguenther@suse.de>
1233
1234         PR tree-optimization/50913
1235         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1236         Require data-refs to be representable by Graphite with respect
1237         to any loop nest.
1238
1239 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1242         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1243
1244 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1245
1246         PR rtl-optimization/51271
1247         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1248         handling annulled branch.
1249
1250 2012-01-10  Richard Henderson  <rth@redhat.com>
1251
1252         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1253         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1254         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1255         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1256         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1257         arm_expand_vec_perm_const): New.
1258         * config/arm/arm-protos.h: Update.
1259         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1260         (*neon_vswp<VDQX>): New.
1261         (neon_vcombine<VDX>): Use neon_split_vcombine.
1262         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1263         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1264         (vec_perm<VE>): New.
1265
1266 2012-01-10  Richard Henderson  <rth@redhat.com>
1267
1268         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1269         use it if reload_completed.
1270         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1271         arm_output_asm_insn, arm_process_output_memory_barrier,
1272         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1273         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1274         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1275         arm_process_output_sync_insn, arm_output_sync_insn,
1276         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1277         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1278         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1279         (emit_unlikely_jump): New.
1280         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1281         (arm_split_atomic_op): New.
1282         * config/arm/arm-protos.h: Update.
1283         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1284         (struct arm_sync_generator): Remove.
1285         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1286         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1287         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1288         (VUNSPEC_LL, VUNSPEC_SC): New.
1289         (sync_result, sync_memory, sync_required_value, sync_new_value,
1290         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1291         (attr length): Don't use arm_sync_loop_insns.
1292         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1293         (movsfcc, movdfcc): Likewise.
1294         * config/arm/constraints.md (Ua): New.
1295         * config/arm/prediates.md (mem_noofs_operand): New.
1296         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1297         (sync_clobber, sync_t2_reqd): Remove.
1298         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1299         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1300         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1301         (arm_sync_compare_and_swap<SIDI>): Remove.
1302         (arm_sync_compare_and_swap<NARROW>): Remove.
1303         (arm_sync_lock_test_and_set<SIDI>): Remove.
1304         (arm_sync_lock_test_and_set<NARROW>): Remove.
1305         (arm_sync_new_<syncop><SIDI>): Remove.
1306         (arm_sync_new_<syncop><NARROW>): Remove.
1307         (arm_sync_new_nand<SIDI>): Remove.
1308         (arm_sync_new_nand<NARROW>): Remove.
1309         (arm_sync_old_<syncop><SIDI>): Remove.
1310         (arm_sync_old_<syncop><NARROW>): Remove.
1311         (arm_sync_old_nand<SIDI>): Remove.
1312         (arm_sync_old_nand<NARROW>): Remove.
1313         (*memory_barrier): Merge arm_output_memory_barrier.
1314         (atomic_compare_and_swap<QHSD>): New.
1315         (atomic_compare_and_swap<NARROW>_1): New.
1316         (atomic_compare_and_swap<SIDI>_1): New.
1317         (atomic_exchange<QHSD>): New.
1318         (cas_cmp_operand, cas_cmp_str): New.
1319         (atomic_op_operand, atomic_op_str): New.
1320         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1321         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1322         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1323         (arm_load_exclusive<NARROW>): New.
1324         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1325         (arm_store_exclusive<QHSD>): New.
1326
1327 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1328
1329         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1330         reload patterns if -mvsx-scalar-memory.
1331
1332         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1333         generated, even -mno-vsx-scalar-double was used.
1334         (vsx_xscvdpsp_scalar): Likewise.
1335         (vsx_xscvspdp_scalar2): Likewise.
1336
1337 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1338             Andrew Pinski  <apinski@cavium.com>
1339
1340         PR debug/51471
1341         * reorg.c (fill_slots_from_thread): Don't speculate
1342         frame-related insns.
1343
1344 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1345
1346         * sched-int.h (bb_note): Move to...
1347         * basic-block.h: ...here.
1348         * haifa-sched.c (bb_note): Move to...
1349         * cfgrtl.c: ...here.
1350         * function.c (next_block_for_reg): New function.
1351         (move_insn_for_shrink_wrap): Likewise.
1352         (prepare_shrink_wrap): Rewrite to use the above.
1353
1354 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1355
1356         * gimple.c (is_gimple_non_addressable): Remove.
1357         * gimple.h: Remove is_gimple_non_addressable.
1358         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1359         is_gimple_non_addressable.
1360         * trans-mem.c (expand_assign_tm): Same.
1361
1362 2012-01-09  Richard Guenther  <rguenther@suse.de>
1363
1364         PR tree-optimization/51775
1365         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1366         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1367
1368 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1369
1370         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1371         tuning parameters.
1372         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1373
1374 2012-01-09  Richard Guenther  <rguenther@suse.de>
1375
1376         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1377
1378 2012-01-08  Jan Hubicka  <jh@suse.cz>
1379
1380         PR tree-optimize/51680
1381         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1382         on when known_vals needs to be computed; cleanup.
1383
1384 2012-01-08  Jan Hubicka  <jh@suse.cz>
1385
1386         PR tree-optimize/51694
1387         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1388
1389 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1390
1391         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1392         for -std=c++98 and -std=c++11 too.
1393
1394 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1395
1396         * cfgloop.c (cancel_loop): Add free() of bbs array.
1397
1398 2012-01-07  Jan Hubicka  <jh@suse.cz>
1399
1400         PR tree-optimization/51600
1401         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1402         that benefits small functions.
1403
1404 2012-01-07  Jan Hubicka  <jh@suse.cz>
1405
1406         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1407
1408 2012-01-07  Jan Hubicka  <jh@suse.cz>
1409
1410         PR tree-optimization/51680
1411         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1412         whose inlining reduce unit size.
1413
1414 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1415
1416         PR bootstrap/51725
1417         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1418         Add canonical node to containing_mem chain after the non-canonical
1419         one, even if there weren't any locs to propagate.
1420         (remove_useless_values): Keep only canonical values.
1421         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1422         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1423         canonicalize mem_chain elements that are not discarded.
1424
1425 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR target/47333
1428         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1429         before emitting functions.
1430
1431         PR gcov-profile/50127
1432         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1433         clear_aux_for_blocks.
1434
1435 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1436
1437         PR debug/51746
1438         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1439
1440 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1441
1442         * c-decl.c (ext_block): Moved up.
1443         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1444
1445 2012-01-06  Han Shen  <shenhan@google.com>
1446
1447         Translate built-in include paths for sysroot.
1448         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1449         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1450
1451         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1452         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1453
1454         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1455         control whether sysroot should be prepended to gxx include dir.
1456
1457         * configure: Regenerate.
1458
1459 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1460
1461         PR rtl-optimization/51771
1462         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1463         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1464
1465 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1466
1467         PR tree-optimization/51315
1468         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1469         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1470
1471 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1472
1473         PR target/51681
1474         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1475         for shrp pattern.  Correctly handle and fixup shift variable.
1476         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1477
1478 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR debug/51762
1481         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1482         note when !ACCUMULATE_OUTGOING_ARGS.
1483
1484 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1487         condition.
1488         (extract_range_from_unary_expr_1): Avoid useless computations.
1489
1490 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1491
1492         PR rtl-optimization/51767
1493         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1494         of jump_block and add an extra edge for degenerated asm gotos.
1495
1496         PR middle-end/51768
1497         * stmt.c (check_unique_operand_names): Don't ICE during error
1498         reporting if i is from labels chain.
1499
1500         PR middle-end/44777
1501         * profile.c (branch_prob): Split bbs that have exit edge
1502         and need a fake entry edge too.
1503
1504 2012-01-05  Jan Hubicka  <jh@suse.cz>
1505
1506         PR middle-end/49710
1507         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1508         unlooping loops.
1509
1510 2012-01-05  Richard Guenther  <rguenther@suse.de>
1511
1512         PR lto/50490
1513         * tree-streamer-out.c (write_ts_optimization): New function.
1514         (streamer_write_tree_body): Call it.
1515         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1516         (streamer_read_tree_body): Call it.
1517         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1518
1519 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1520
1521         PR middle-end/51761
1522         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1523         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1524         in_cleanup_point_expr before gimplify_stmt call and restore it
1525         afterwards.
1526         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1527         in_cleanup_point_expr is false.
1528
1529 2012-01-05  Richard Guenther  <rguenther@suse.de>
1530
1531         PR middle-end/51764
1532         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1533         to c.opt.
1534         * toplev.c (process_options): Reject combining mudflap and LTO.
1535         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1536
1537 2012-01-05  Richard Guenther  <rguenther@suse.de>
1538
1539         PR tree-optimization/51760
1540         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1541         not VARYING.
1542         (bit_value_unop): Handle UNDEFINED operands.
1543         (bit_value_binop): Likewise.
1544
1545 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1546
1547         * config/avr/avr.c (avr_replace_prefix): Remove.
1548         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1549         (avr_asm_function_rodata_section): Ditto.
1550         (avr_asm_select_section): Ditto.
1551
1552 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1553
1554         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1555         insertion.
1556
1557 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1558
1559         PR bootstrap/51648
1560         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1561         calls that have any non-fake successor edges.
1562
1563         PR debug/51746
1564         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1565
1566 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1567
1568         PR tree-optimization/51624
1569         * tree-sra.c (build_ref_for_model): When replicating a chain of
1570         COMPONENT_REFs, stop as soon as the offset would become negative.
1571
1572 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1573
1574         PR debug/51695
1575         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1576         in .debug_loc on the floor.
1577
1578 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1579
1580         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1581
1582 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1583             Adam Nemet  <anemet@caviumnetworks.com>
1584
1585         * config/mips/mips.md (size): Add SI and DI.
1586         (SIZE): New mode attribute.
1587         (U): New code attribute.
1588         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1589         (mips_lbux_<mode>): Delete.
1590         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1591         (mips_lhx): Use gen_mips_lhx_extsi.
1592         (mips_lhx_<mode>): Delete.
1593         (mips_lwx): Delete.
1594         (mips_l<size>x): New expand.
1595         (mips_lwx_<mode>): Delete.
1596         (mips_l<GPR:size>x_<P:mode>): New pattern.
1597         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1598         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1599         * config/mips/mips.c (mips_lx_address_p): New function.
1600         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1601         (dsp64): New availability predicate.
1602         (mips_builtins): Add an entry for __builtin_mips_ldx.
1603         * config/mips/mips.h (ISA_HAS_LBX): New define.
1604         (ISA_HAS_LBUX): Likewise.
1605         (ISA_HAS_LHX): Likewise.
1606         (ISA_HAS_LHUX): Likewise.
1607         (ISA_HAS_LWX): Likewise.
1608         (ISA_HAS_LWUX): Likewise.
1609         (ISA_HAS_LDX): Likewise.
1610         * doc/extend.texi (__builtin_mips_ldx): Document.
1611
1612 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1613
1614         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1615         when long pointers are used.
1616         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1617         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1618         (ia64-hp-*vms*): Remove.
1619         * config/vms/xm-vms64.h: Delete.
1620
1621 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1622
1623         PR middle-end/51472
1624         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1625
1626 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1627
1628         * opts.c (finish_options): Remove duplicate sorry.
1629
1630 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1631
1632         PR middle-end/51696
1633         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1634         correctly.
1635
1636 2012-01-04  Richard Guenther  <rguenther@suse.de>
1637
1638         PR middle-end/51750
1639         * tree.c (size_low_cst): New function.
1640         * tree.h (size_low_cst): Declare.
1641         * fold-const.c (fold_comparison): Use it to extract the low
1642         part of the POINTER_PLUS_EXPR offset.
1643
1644 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1645
1646         Fix clearing ZERO_REG
1647         * config/avr/avr.md (cc): Add alternative "ldi".
1648         (movqi_insn): Use it in cc attribute.
1649         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1650         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1651         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1652
1653 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1654
1655         * configure: Regenerate.
1656
1657 2012-01-04  Richard Guenther  <rguenther@suse.de>
1658
1659         PR tree-optimization/49651
1660         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1661         (var_can_have_subvars): Use it.
1662         (get_constraint_for_1): Only consider subfields if there can be any.
1663
1664 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1665
1666         PR bootstrap/51725
1667         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1668         to its new canonical_cselib_val and the cselib_val was in
1669         first_containing_mem chain, but the canonical_cselib_val was not,
1670         add the latter into the chain.
1671         (cselib_invalidate_mem): Compare canonical_cselib_val of
1672         addr_list chain elt with v.
1673
1674         PR pch/51722
1675         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1676         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1677         of xstrdup.
1678         (output_macinfo_op): Don't ggc_strdup fd->filename.
1679         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1680         then ggc_strdup it.  Don't free inc->info or cur->info.
1681         (output_macinfo): Don't free ref->info or file->info.
1682
1683 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1684
1685         PR tree-optimization/51269
1686         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1687         first_niters a pointer.
1688         (slpeel_tree_peel_loop_to_edge): Likewise.
1689         (vect_do_peeling_for_loop_bound): Update call to
1690         slpeel_tree_peel_loop_to_edge.
1691         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1692         here.  Remove it from the parameters list.
1693         (vect_do_peeling_for_alignment): Update calls and compute
1694         wide_prolog_niters.
1695
1696 2012-01-03  Richard Guenther  <rguenther@suse.de>
1697
1698         PR tree-optimization/51070
1699         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1700         Properly handle calls.
1701
1702 2012-01-03  Richard Guenther  <rguenther@suse.de>
1703
1704         PR tree-optimization/51692
1705         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1706         the LHS of allocation stmts.
1707
1708 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1709
1710         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1711
1712 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1713
1714         * collect2.c (main): In AIX specific computations for vector
1715         insertions, use CONST_CAST2 to cast from char ** to const char **.
1716
1717 2012-01-03  Richard Guenther  <rguenther@suse.de>
1718
1719         PR debug/51650
1720         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1721         the context of a limbo DIE when it does not already exist.
1722
1723 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1724
1725         PR tree-optimization/51719
1726         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1727         but direct call is, clear direct call's lhs and don't add fallthrough
1728         edge from dcall_bb to join_bb and PHIs.
1729
1730 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1731
1732         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1733         the instructions emitted by the pattern.
1734         ("*TDC_insn_<mode>"): Add comment.
1735
1736 2012-01-03  Richard Guenther  <rguenther@suse.de>
1737
1738         PR middle-end/51730
1739         * fold-const.c (fold_comparison): Properly canonicalize
1740         tree offset and HOST_WIDE_INT bit position.
1741
1742 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1743
1744         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1745         operands for extzv pattern.
1746
1747 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1748
1749         PR bootstrap/51725
1750         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1751         on mem_elt first.
1752
1753 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1754
1755         * doc/invoke.texi (-flto and related options): Copy-edit.
1756
1757 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1758
1759         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1760
1761 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1762
1763         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1764         New patterns.
1765
1766 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1767
1768         * expr.h (move_by_pieces_ninsns): Declare.
1769         * expr.c (move_by_pieces_ninsns): Make external.
1770         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1771         (mips_store_by_pieces_p): Likewise.
1772         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1773         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1774         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1775         (mips_store_by_pieces_p): Likewise.
1776
1777 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1778
1779         * passes.c (register_one_dump_file): Free full_name.
1780
1781         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1782         (calculate_elim_costs_all_insns): Free offsets_at and
1783         offsets_known_at at the end and clear the pointers.
1784
1785 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1786
1787         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1788         this option introduced in r180739.
1789
1790 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1791
1792         PR target/51345
1793         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1794         (tmake_file target=avr): Add avr/t-multilib.
1795
1796         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1797         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1798         * config/avr/genmultilib.awk: New file.
1799         * config/avr/t-multilib: New auto-generated file.
1800         * config/avr/multilib.h: New auto-generated file.
1801         * config/avr/t-avr (AVR_MCUS): New variable.
1802         (genopt.sh): Use it.
1803         (s-mlib): Depend on t-multilib.
1804         (t-multilib, multilib.h): New dependencies.
1805         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1806         (MULTILIB_OPTIONS): Remove.
1807         (MULTILIB_MATCHES): Remove.
1808         (MULTILIB_DIRNAMES): Remove.
1809         (MULTILIB_EXCEPTIONS): Remove:
1810         * config/avr/genopt.sh: Don't use hard coded file name;
1811         pass AVR_MCUS from t-avr instead.
1812
1813 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1814
1815         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1816
1817 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1818
1819         Implement light-weight DImode support.
1820         * config/avr/avr-dimode.md: New file.
1821         * config/avr/avr.md: Include it.
1822         (adjust_len): Add plus64, compare64.
1823         (HIDI): Remove code iterator.
1824         (code_stdname): New code attribute.
1825         (rotx, rotsmode): Remove DI.
1826         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1827         as code iterator.
1828         * config/avr/avr-protos.h (avr_have_dimode): New.
1829         (avr_out_plus64, avr_out_compare64): New.
1830         * config/avr/avr.c (avr_out_compare): Handle DImode.
1831         (avr_have_dimode): New variable definition and initialization.
1832         (avr_out_compare64, avr_out_plus64): New functions.
1833         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1834         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1835         (avr_compare_pattern): Skip DImode comparisons.
1836
1837 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1838
1839         * ddg.c (def_has_ccmode_p): New function.
1840         (add_cross_iteration_register_deps,
1841         create_ddg_dep_from_intra_loop_link): Call it.
1842
1843 2012-01-02  Richard Guenther  <rguenther@suse.de>
1844
1845         PR other/51679
1846         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1847
1848 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1849
1850         * gcc.c (process_command): Update copyright notice dates.
1851         * gcov.c (print_version): Likewise.
1852         * gcov-dump.c (print_version): Likewise.
1853         * mips-tfile.c (main): Likewise.
1854         * mips-tdump.c (main): Likewise.
1855
1856 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1857
1858         PR tree-optimization/51704
1859         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1860         a use is inside the basic block or loop before accessing its vect info.
1861
1862 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1863
1864         PR rtl-optimization/51069
1865         * cfgloopmanip.c (remove_path): Removing path making irreducible
1866         region unconditional makes BB part of the region.
1867
1868 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1869
1870         PR tree-optimization/51683
1871         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1872         calls with side-effects.
1873         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1874 \f
1875 Copyright (C) 2012 Free Software Foundation, Inc.
1876
1877 Copying and distribution of this file, with or without modification,
1878 are permitted in any medium without royalty provided the copyright
1879 notice and this notice are preserved.