gcc/ChangeLog

   1 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         Backport from mainline
   4         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
   5
   6         PR target/46254
   7         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
   8         true for TARGET_64BIT or !flag_pic.
   9         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
  10         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
  11         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
  12         Add insn constraint.  Conditionally emit xchg asm insns.
  13         (atomic_compare_and_swap<mode>): Update calls.  Check only
  14         cmpxchg8b_pic_memory_operand in memory address fixup.
  15         (DCASMODE): Remove.
  16         (CASHMODE): Rename from DCASHMODE.
  17         (doublemodesuffix): Update modes.
  18         (regprefix): New mode attribute.
  19
  20         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
  21         <UNSPECV_CMPXCHG>: New constant.
  22         (atomic_compare_and_swap<mode>_1): Rename from
  23         atomic_compare_and_swap_single<mode>.  Update calls and
  24         unspec_volatile constants.
  25         (atomic_compare_and_swap<mode>_doubleword): Rename from
  26         atomic_compare_and_swap_double<mode>.  Update calls and
  27         unspec_volatile constants.
  28
  29 2012-08-28  Walter Lee  <walt@tilera.com>
  30
  31         Backport from mainline
  32         2012-08-28  Walter Lee  <walt@tilera.com>
  33
  34         * confg/tilegx/tilegx.md: Fix code style.
  35         (*zero_extendsidi_truncdisi): Fix typo.
  36         * config/tilegx/tilegx.c: Fix code style.
  37         (tilegx_function_profiler): Fix typo.
  38
  39 2012-08-27  Walter Lee  <walt@tilera.com>
  40
  41         Backport from mainline
  42         2012-08-27  Walter Lee  <walt@tilera.com>
  43
  44         * doc/md.texi (TILE-Gx): Fix typo.
  45
  46 2012-08-27  Walter Lee  <walt@tilera.com>
  47
  48         Backport from mainline
  49         2012-08-27  Walter Lee  <walt@tilera.com>
  50
  51         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
  52         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
  53
  54 2012-08-27  Walter Lee  <walt@tilera.com>
  55
  56         Backport from mainline
  57         2012-08-27  Walter Lee  <walt@tilera.com>
  58
  59         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
  60         (insn_bfins): Delete.
  61
  62 2012-08-27  Walter Lee  <walt@tilera.com>
  63
  64         Backport from mainline
  65         2012-08-27  Walter Lee  <walt@tilera.com>
  66
  67         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
  68         atomic_exchange_bare<mode>,
  69         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
  70         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
  71         * config/tilegx/tilegx.md (type): Add X1_remove.
  72         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
  73         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
  74         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
  75         X1_remote.
  76
  77 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
  78
  79         PR rtl-optimization/54088
  80         * jump.c (delete_related_insns): Robustify latest change.
  81
  82 2012-08-21  Richard Guenther  <rguenther@suse.de>
  83
  84         Backport from mainline
  85         2012-08-16  Richard Guenther  <rguenther@suse.de>
  86
  87         PR middle-end/54146
  88         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
  89         exit vector.
  90         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
  91         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
  92         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
  93         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
  94         (tree_ssa_lim_finalize): Free all mem_refs.
  95         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
  96         scc when bailing out.
  97         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
  98         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
  99         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
 100         FOR_EACH_LOOP_BREAK.
 101
 102         2012-08-17  Richard Guenther  <rguenther@suse.de>
 103
 104         * tree-sra.c (modify_function): Free redirect_callers vector.
 105         * ipa-split.c (split_function): Free args_to_pass vector.
 106         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
 107         vec_oprnds.
 108         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
 109         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
 110         (vect_analyze_slp_instance): Free everything.
 111         (destroy_bb_vec_info): Free the SLP instances.
 112
 113         2012-08-17  Richard Guenther  <rguenther@suse.de>
 114
 115         * params.def (integer-share-limit): Decrease from 256 to 251,
 116         add rationale.
 117
 118         2012-08-21  Richard Guenther  <rguenther@suse.de>
 119
 120         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
 121         the affine expansion cache.
 122
 123 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
 124
 125         Backported from trunk
 126         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
 127
 128         PR middle-end/53992
 129         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
 130
 131 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 132
 133         Backport from mainline.
 134         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 135
 136         PR target/54212
 137         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
 138         mark as predicable. Adjust asm template.
 139         (vec_setv2di_internal): Likewise.
 140         (vec_extract<mode> VD, VQ): Likewise.
 141         (vec_extractv2di): Likewise.
 142         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
 143         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
 144         (neon_vdup_n<mode> VX, V32): Likewise.
 145         (neon_vdup_nv2di): Likewise.
 146
 147 2012-08-17  Walter Lee  <walt@tilera.com>
 148
 149         Backport from mainline
 150         2012-08-17  Walter Lee  <walt@tilera.com>
 151
 152         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
 153         (FEEDBACK_ENTER): Define.
 154         (FEEDBACK_REENTER): Define.
 155         (FEEDBACK_ENTRY): Define.
 156         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
 157         (FEEDBACK_ENTER): Define.
 158         (FEEDBACK_REENTER): Define.
 159         (FEEDBACK_ENTRY): Define.
 160
 161 2012-08-16  Walter Lee  <walt@tilera.com>
 162
 163         Backport from mainline
 164         2012-08-16  Walter Lee  <walt@tilera.com>
 165
 166         * config.gcc (tilegx-*-linux*): Add feedback.h.
 167         (tilepro-*-linux*): Likewise.
 168         * config/tilegx/feedback.h: New file.
 169         * config/tilepro/feedback.h: New file.
 170
 171 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
 172
 173         Backport from mainline r189840 and r187586:
 174         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
 175
 176         * config/i386/i386.md (stack_protect_set): Disable the pattern
 177         for Android since Android libc (bionic) does not provide random
 178         value for stack protection guard at gs:0x14. Guard value
 179         will be provided from external symbol (default implementation).
 180         (stack_protect_set_<mode>): Likewise.
 181         (stack_protect_test): Likewise.
 182         (stack_protect_test_<mode>): Likewise.
 183         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
 184         not have Bionic by default
 185         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
 186         Macro OPTION_BIONIC is defined in this file and provides Bionic
 187         accessibility status
 188
 189         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
 190
 191         * configure.ac: Stack protector enabling for Android targets.
 192         * configure: Regenerate.
 193
 194 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
 195
 196         Backported from trunk
 197         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
 198
 199         PR rtl-optimization/53942
 200         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
 201         directly from likely spilled non-fixed hard registers, move them
 202         to pseudo first.
 203
 204 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
 205
 206         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
 207         (xop_phaddubq): Ditto.
 208
 209 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
 210
 211         Backport from mainline
 212         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
 213                     Richard Earnshaw  <rearnsha@arm.com>
 214
 215         * target.def (vector_alignment): New target hook.
 216         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
 217         * doc/tm.texi: Regenerate.
 218         * targhooks.c (default_vector_alignment): New function.
 219         * targhooks.h (default_vector_alignment): Add prototype.
 220         * stor-layout.c (layout_type): Use targetm.vector_alignment.
 221         * config/arm/arm.c (arm_vector_alignment): New function.
 222         (TARGET_VECTOR_ALIGNMENT): Define.
 223
 224         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
 225         vector type alignment instead of size.
 226         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
 227         element type size directly instead of computing it from alignment.
 228         Fix variable naming and comment.
 229
 230 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
 231
 232         Backport from mainline
 233         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
 234
 235         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
 236         (alpha_pad_function_end): ... this.  Also insert NOP between
 237         sibling call and GP load.
 238         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
 239
 240 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
 241
 242         Backport from mainline
 243         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
 244                     H.J. Lu  <hongjiu.lu@intel.com>
 245
 246         PR rtl-optimization/54157
 247         * combine.c (gen_lowpart_for_combine): Don't return identity
 248         for CONST or symbolic reference.
 249
 250 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
 251
 252         Backport from mainline
 253         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
 254
 255         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
 256         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
 257         split_cost argument signed.
 258         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
 259         (ix86_avoid_lea_for_addr): Ditto.
 260
 261         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
 262
 263         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
 264         the address has less than two components.
 265
 266 2012-08-02  Steve Ellcey  <sellcey@mips.com>
 267
 268         Backport from mainline
 269         2012-07-19  Steve Ellcey  <sellcey@mips.com>
 270
 271         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
 272         MIPS16 mode.
 273
 274 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
 275
 276         Backport from mainline
 277         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
 278
 279         PR target/53961
 280         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
 281         negative constant address for TARGET_X32 ...
 282         (ix86_decompose_address): ... here.  Reject constant addresses
 283         that don't satisfy x86_64_immediate_operand predicate.
 284
 285         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
 286
 287         PR target/53961
 288         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
 289         * config/i386/i386.c (ix86_print_operand_address): Ditto.
 290         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
 291         addresses.  Prevent zero extensions of CONST_INT operands.
 292
 293         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
 294
 295         PR target/53961
 296         * config/i386/i386.md (*lea): New insn pattern.
 297         (*lea_1): Remove.
 298         (*lea<mode>_2): Ditto.
 299         (*lea_{3,4,5,6}_zext): Ditto.
 300         * config/i386/predicates.md (lea_address_operand): Do not reject
 301         zero-extended address operands.
 302         * config/i386/constraints.md (j): Remove address constraint.
 303         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
 304         of an address.
 305         (ix86_print_operand_address): Handle SImode subreg of an address.
 306         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
 307
 308 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 309
 310         Backport from mainline
 311         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
 312
 313         PR target/52530
 314         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
 315         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
 316         to set code to 'q'.
 317         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
 318         (*movdi_internal_rex64): Use %E operand modifier for lea.
 319         (*movsi_internal): Ditto.
 320         (*lea_1): Ditto.
 321         (*lea<mode>_2): Ditto.
 322         (*lea_{3,4,5,6}_zext): Ditto.
 323         (*tls_global_dynamic_32_gnu): Ditto.
 324         (*tls_global_dynamic_64): Ditto.
 325         (*tls_dynamic_gnu2_lea_32): Ditto.
 326         (*tls_dynamic_gnu2_lea_64): Ditto.
 327         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
 328
 329 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 330
 331         Backport from mainline
 332         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 333
 334         * config/i386/i386.c (ix86_address_subreg_operand): Reject
 335         stack pointer.
 336         (ix86_print_operand_address): Assert that parts.base and parts.index
 337         are non-NULL after call to simplify_subreg.
 338
 339 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
 340
 341         PR target/33135
 342         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
 343         description.
 344         * config/sh/sh.c (sh_option_override): Do not change
 345         flag_finite_math_only.  Set TARGET_IEEE to complement of
 346         flag_finite_math_only.
 347         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
 348         description of mieee and mno-ieee behavior.
 349
 350 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
 351
 352         PR target/53877
 353         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
 354         (_lzcnt_u64): Ditto.
 355
 356 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
 357
 358         Backport from mainline
 359         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
 360
 361         PR rtl-optimization/52250
 362         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
 363         to put note list into.  Unconditionally call move_bb_info.
 364         (move_bb_info): Do not assert the blocks being in the same region,
 365         just drop the note list if they are not.
 366
 367 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
 368
 369         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
 370
 371 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
 372
 373         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
 374         defining statement is a SSA name that occurs in abnormal PHIs.
 375
 376 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
 377
 378         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
 379         conversions.
 380
 381 2012-07-19  Richard Guenther  <rguenther@suse.de>
 382             Eric Botcazou  <ebotcazou@adacore.com>
 383
 384         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
 385         about transition from invariant to known bits.
 386         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
 387
 388 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
 389
 390         PR middle-end/54017
 391         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
 392         (cleanup_tree_cfg_bb): Don't call it.
 393         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
 394         handling.
 395
 396 2012-07-19  Christian Bruel  <christian.bruel@st.com>
 397
 398         PR target/54029
 399         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
 400
 401 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
 402
 403         * config.gcc (v850-*-rtems*): New target.
 404         * config/v850/rtems.h: New.
 405         * config/v850/t-rtems: New.
 406
 407 2012-07-18  Nick Clifton  <nickc@redhat.com>
 408
 409         * doc/invoke.texi (ARM Options): Document -munaligned-access.
 410
 411 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
 412
 413         PR target/53961
 414
 415         Backport from mainline
 416         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
 417
 418         PR target/53110
 419         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
 420         instead expand it as zero extension.
 421
 422 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
 423
 424         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
 425         QImode and HImode splitters.  Use ix86_comparison_operator.
 426         Explicitly match FLAGS_REG.
 427         (DFmode cmove splitter): Explicitly match FLAGS_REG.
 428
 429 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
 430             Steven Bosscher  <steven@gcc.gnu.org>
 431             Bernd Schmidt  <bernds@codesourcery.com>
 432
 433         PR rtl-optimization/53908
 434         * df-problems.c (can_move_insns_across): When doing
 435         memory-reference book-keeping, handle call insns.
 436
 437 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
 438
 439         Backport from mainline
 440         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 441
 442         PR target/53811
 443         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
 444         sibcall_insn_operand.  Move it to a temporary register if not.
 445
 446         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
 447
 448         PR target/53853
 449         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
 450         emit PIC sequence for fnaddr symbol reference in advance.
 451
 452 2012-07-09  Jason Merrill  <jason@redhat.com>
 453
 454         PR c++/53882
 455         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
 456         (type_hash_eq): Likewise.
 457
 458         PR c++/53826
 459         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
 460
 461 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
 462
 463         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
 464         due to negative shift amount.
 465
 466 2012-07-06  Kai Tietz  <ktietz@redhat.com>
 467
 468         Backport from mainline.
 469         PR bootstrap/52947
 470         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
 471         as "/mingw/include".
 472
 473 2012-07-06  Nick Clifton  <nickc@redhat.com>
 474
 475         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
 476         default_encode_section_info.
 477
 478 2012-07-06  Richard Guenther  <rguenther@suse.de>
 479
 480         Backport from mainline
 481         2012-03-30  Richard Guenther  <rguenther@suse.de>
 482
 483         PR middle-end/52786
 484         * double-int.c (rshift_double): Remove not needed cast.
 485
 486         2012-03-28  Richard Guenther  <rguenther@suse.de>
 487
 488         PR middle-end/50708
 489         * double-int.h (rshift_double): Remove.
 490         * double-int.c (lshift_double): Use absu_hwi to make count
 491         positive.
 492         (rshift_double): Make static, take unsigned count argument,
 493         remove handling of negative count argument.
 494         (double_int_rshift): Dispatch to lshift_double.
 495
 496 2012-07-06  Richard Guenther  <rguenther@suse.de>
 497
 498         Backport from mainline
 499         2012-06-18  Richard Guenther  <rguenther@suse.de>
 500
 501         PR tree-optimization/53693
 502         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
 503         Reject operands with more than one use.
 504
 505 2012-07-06  Richard Guenther  <rguenther@suse.de>
 506
 507         Backport from mainline
 508         2012-04-11  Richard Guenther  <rguenther@suse.de>
 509
 510         PR middle-end/52621
 511         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
 512         consider loop nesting.
 513         (evolution_function_is_univariate_p): Properly check the remainder
 514         for chrecs.
 515
 516 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
 517
 518         Backport from mainline
 519         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
 520
 521         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
 522         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
 523         (adjacent_mem_locations): Move some code to and call...
 524         (get_memref_parts): ...new function.
 525         (mem_locations_overlap): New function.
 526         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
 527         (is_mem_ref): Rename to...
 528         (find_mem_ref): ...this. Return MEM rtx.
 529         (get_store_dest): Remove function.
 530         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
 531         new parameter and adjust calls.
 532         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
 533         mem refs overlap for true_store_to_load_dep_costly.
 534         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
 535         passed to adjacent_mem_locations.
 536         (is_costly_group): Walk resolved dependency list.
 537         (force_new_group): Emit group ending nop for Power6/Power7.
 538         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
 539         (group_ending_nop): New define_insn.
 540
 541 2012-07-04  Richard Guenther  <rguenther@suse.de>
 542
 543         PR middle-end/53433
 544         * gimple-fold.c (get_base_constructor): Do not return an
 545         error_mark_node DECL_INITIAL.
 546
 547 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
 548
 549         Backport from mainline
 550         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 551
 552         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
 553         code model string in the error message.
 554
 555 2012-07-04  Tristan Gingold  <gingold@adacore.com>
 556
 557         Backport from mainline.
 558         2012-06-25  Tristan Gingold  <gingold@adacore.com>
 559
 560         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
 561         (seh_cfa_adjust_cfa): ... that function.
 562         (seh_emit_stackalloc): Do not emit out of range values.
 563         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
 564         UNSPEC_DEF_CFA constants.
 565         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
 566         * config/i386/i386.c (ix86_frame_pointer_required): Required
 567         for very large frames on SEH target.
 568         (ix86_compute_frame_layout): Save area is before frame pointer
 569         on SEH target.  Handle very large frames.
 570         (ix86_expand_prologue): Likewise.
 571
 572 2012-07-04  Richard Guenther  <rguenther@suse.de>
 573
 574         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
 575         as in free_lang_data_in_type.
 576
 577 2012-07-02  Martin Jambor  <mjambor@suse.cz>
 578
 579         Backport from mainline.
 580         2012-07-02  Martin Jambor  <mjambor@suse.cz>
 581
 582         PR middle-end/38474
 583         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
 584         dynamic type change check.
 585
 586 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 587
 588         * tree-eh.c (lower_try_finally_switch): Really put the location of the
 589         last statement of the finally block onto the switch.
 590
 591 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 592
 593         * configure: Regenerate.
 594
 595         Backport from mainline.
 596         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 597
 598         * config.gcc (target_type_format_char): New. Document it. Set it for
 599         arm*-*-* .
 600         * configure.ac (gnu_unique_option): Use target_type_format_char
 601         in test.  Comment rationale.
 602
 603 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 604
 605         Backport from mainline.
 606         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 607
 608         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
 609
 610 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
 611
 612         Backport from 2012-06-28 mainline r189049
 613
 614         PR 53595
 615         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
 616         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
 617         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
 618         avr_hard_regno_call_part_clobbered.
 619
 620 2012-06-28  Richard Guenther  <rguenther@suse.de>
 621
 622         PR middle-end/53790
 623         * expr.c (expand_expr_real_1): Verify if the type is complete
 624         before inspecting its size.
 625
 626 2012-06-27  Nick Clifton  <nickc@redhat.com>
 627
 628         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
 629         input operand.
 630
 631 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
 632
 633         PR debug/53682
 634         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
 635
 636 2012-06-26  Nick Clifton  <nickc@redhat.com>
 637
 638         * config/rx/rx.md (simple_return): Use the simple_return rtx.
 639
 640 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
 641
 642         PR target/53759
 643         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
 644         of x x x in the vmovlps load alternative.
 645
 646 2012-06-22  Richard Guenther  <rguenther@suse.de>
 647
 648         * gcov-iov.c: Include bconfig.h and system.h.
 649
 650 2012-06-22  Richard Guenther  <rguenther@suse.de>
 651
 652         PR gcov-profile/53744
 653         * gcov-iov.c (main): Treat "" and "prerelease" the same.
 654
 655 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
 656
 657         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
 658         DECL_IGNORED_P non-reg vars even if they are used.
 659
 660 2012-06-19  Jason Merrill  <jason@redhat.com>
 661
 662         PR c++/52637
 663         * dwarf2out.c (modified_type_die): Use scope_die_for.
 664         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
 665         (uses_local_type_r, uses_local_type): New.
 666         (scope_die_for): Keep a type that uses a local type in local scope.
 667         Use get_context_die for namespace and type scope.
 668
 669 2012-06-19  Richard Guenther  <rguenther@suse.de>
 670
 671         PR middle-end/53470
 672         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
 673         replace it with the first non-BLOCK context.
 674
 675 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
 676
 677         PR rtl-optimization/53700
 678
 679         Backport from mainline
 680         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
 681
 682         * ira-color.c (setup_left_conflict_sizes_p): Process all
 683         conflicting objects.
 684
 685 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
 686
 687         Backport from mainline
 688         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
 689
 690         PR target/52908
 691         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
 692         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
 693         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
 694         instead of xop_mulv2div2di3_low.
 695         (xop_p<macs>dql): Fix vec_select selector.
 696         (xop_p<macs>dqh): Ditto.
 697         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
 698         (xop_mulv2div2di3_high): Ditto.
 699
 700 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
 701
 702         Backport from mainline:
 703         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
 704
 705         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
 706
 707 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 708
 709         Backport from mainline:
 710         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 711
 712         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
 713         * config/pa/pa.c (pa_attr_length_millicode_call): Use
 714         MAX_PCREL17F_OFFSET instead of fixed offset.
 715         (pa_attr_length_call): Likewise.
 716         (pa_attr_length_indirect_call): Likewise.
 717
 718 2012-06-15  Walter Lee  <walt@tilera.com>
 719
 720         Backport from mainline:
 721         2012-06-15  Walter Lee  <walt@tilera.com>
 722
 723         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
 724
 725         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
 726
 727         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
 728
 729 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
 730
 731         Backport from mainline:
 732
 733         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
 734         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
 735         * gimple.h (block_in_transaction): Check for flag_tm.
 736
 737 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
 738
 739         PR tree-optimization/52558
 740
 741         Backport from mainline:
 742         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
 743         * gimple.h (gimple_set_in_transaction): Remove.
 744         (gimple_in_transaction): Look in BB instead.
 745         (gimple_statement_base): Remove in_transaction field.
 746         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
 747         * trans-mem.c (compute_transaction_bits): Place transaction bit
 748         information into basic blocks.
 749
 750         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
 751
 752         PR tree-optimization/52558
 753         * cfg.c (alloc_aux_for_edge): Fix comment.
 754         (alloc_aux_for_edge): Remove static.
 755         * basic-block.h (alloc_aux_for_edge): Protoize.
 756         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
 757         (execute_sm_if_changed_flag): New.
 758         (execute_sm_if_changed_flag_set): New.
 759         (execute_sm): Do not generate data races unless requested.
 760         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
 761         (tree_ssa_lim_finalize): Call free_aux_for_edges.
 762         * gimple.h (block_in_transaction): New.
 763         (gimple_in_transaction): Use block_in_transaction.
 764
 765 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
 766
 767         Backported from mainline
 768         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
 769
 770         PR rtl-optimization/53589
 771         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
 772         discovery even when e->dest != target.  If any LABEL_REF points
 773         to e->dest label, redirect it to target's label.
 774
 775         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
 776
 777         PR middle-end/53580
 778         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
 779         returns false, replace stmt with GIMPLE_NOP.
 780         (check_omp_nesting_restrictions): Instead of issuing warnings,
 781         issue errors and return false if any errors were reported.
 782
 783 2012-06-14  Richard Guenther  <rguenther@suse.de>
 784
 785         * BASE-VER: Set to 4.7.2.
 786         * DEV-PHASE: Set to prerelease.
 787
 788 2012-06-12  Christian Bruel  <christian.bruel@st.com>
 789
 790         PR target/53621
 791         * config/sh/sh.c (sh_option_override): Don't force
 792          flag_omit_frame_pointer and maccumulate_outgoing_args.
 793         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
 794
 795 2012-06-14  Release Manager
 796
 797         * GCC 4.7.1 released.
 798
 799 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
 800
 801         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
 802
 803 2012-06-13  Richard Henderson  <rth@redhat.com>
 804
 805         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
 806         iterator instead of INT.
 807
 808 2012-06-08  Richard Henderson  <rth@redhat.com>
 809
 810         PR c++/53602
 811         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
 812         note to a clobber insn when no other insn is available.
 813
 814 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
 815
 816         PR c++/53524
 817         * doc/invoke.texi (Wenum-compare): Update documentation.
 818
 819 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
 820
 821         PR target/53559
 822         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
 823         operands.
 824         (altivec_stvlxl): Ditto.
 825         (altivec_stvrx): Ditto.
 826         (altivec_stvrxl): Ditto.
 827
 828 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
 829
 830         PR middle-end/47530
 831         * trans-mem.c (expand_block_edges): Do not skip the first
 832         statement when resetting the BB.
 833
 834 2012-06-04  Richard Guenther  <rguenther@suse.de>
 835
 836         PR middle-end/53471
 837         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
 838         create new assembler names.
 839
 840 2012-06-04  Richard Guenther  <rguenther@suse.de>
 841
 842         Backport from mainline
 843         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
 844
 845         PR middle-end/52979
 846         * stor-layout.c (get_best_mode): Don't return mode with bitsize
 847         larger than maxbits.  Don't compute maxbits modulo align.
 848         Also check that unit bytes long store at bitpos / unit * unit
 849         doesn't affect bits beyond bitregion_end.
 850         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
 851         would not fit into bitregion_start ... bitregion_end + 1 bit
 852         region.
 853         (store_split_bit_field): Decrease unit close to end of bitregion_end
 854         if access is restricted in order to avoid mutual recursion.
 855
 856 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
 857
 858         Backport from 2012-06-04 mainline r188172
 859
 860         PR target/46261
 861         * config/avr/avr-stdint.h: New file.
 862         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
 863         newlib-stdint.h
 864
 865 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
 866
 867         PR tree-optimization/53550
 868         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
 869         is POINTER_TYPE_P, use sizetype as step type instead of type.
 870
 871 2012-06-04  Richard Guenther  <rguenther@suse.de>
 872             Eric Botcazou  <ebotcazou@adacore.com>
 873
 874         Backport from mainline
 875         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
 876
 877         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
 878         Change type of BITOFFSET to signed.  Make sure the lower bound of
 879         the computed range is non-negative by adjusting OFFSET and BITPOS.
 880         (expand_assignment): Adjust call to get_bit_range.
 881
 882         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
 883
 884         * expr.c (get_bit_range): Return the null range if the enclosing record
 885         is part of a larger bit field.
 886
 887         2012-03-20  Richard Guenther  <rguenther@suse.de>
 888
 889         * stor-layout.c (finish_bitfield_representative): Fallback
 890         to conservative maximum size if the padding up to the next
 891         field cannot be computed as a constant.
 892         (finish_bitfield_layout): If we cannot compute the distance
 893         between the start of the bitfield representative and the
 894         bitfield member start a new representative.
 895         * expr.c (get_bit_range): The distance between the start of
 896         the bitfield representative and the bitfield member is zero
 897         if the field offsets are not constants.
 898
 899         2012-03-16  Richard Guenther  <rguenther@suse.de>
 900
 901         * stor-layout.c (finish_bitfield_representative): Fall back
 902         to the conservative maximum size if we cannot compute the
 903         size of the tail padding.
 904
 905         2012-03-14  Richard Guenther  <rguenther@suse.de>
 906
 907         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
 908         * stor-layout.c (start_bitfield_representative): New function.
 909         (finish_bitfield_representative): Likewise.
 910         (finish_bitfield_layout): Likewise.
 911         (finish_record_layout): Call finish_bitfield_layout.
 912         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
 913         for QUAL_UNION_TYPE fields.
 914         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
 915         Stream DECL_BIT_FIELD_REPRESENTATIVE.
 916         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
 917
 918         PR middle-end/52080
 919         PR middle-end/52097
 920         PR middle-end/48124
 921         * expr.c (get_bit_range): Unconditionally extract bitrange
 922         from DECL_BIT_FIELD_REPRESENTATIVE.
 923         (expand_assignment): Adjust call to get_bit_range.
 924
 925 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
 926
 927         PR middle-end/53501
 928         * fold-const.c (fold_binary_loc): Refine previous change.
 929
 930 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
 931
 932         Backport from mainline
 933         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
 934
 935         PR target/52667
 936         * config/sh/sh.c (find_barrier): Add equality check of last_got to
 937         avoid going above orig insn.  Update comments.
 938
 939 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
 940
 941         Backport from mainline
 942         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
 943
 944         PR target/52642
 945         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
 946         prologue for unwinder and profiler.
 947
 948 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
 949
 950         Backport from mainline
 951         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 952
 953         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
 954
 955 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
 956
 957         Backport from mainline
 958         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 959
 960         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
 961         DBX_REGISTER_NUMBER.
 962
 963 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
 964
 965         Backport from mainline
 966         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 967
 968         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
 969         operand is CONST_INT.  Take COSTS_N_INSNS into account.
 970         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
 971         shiftcosts.
 972
 973 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
 974
 975         * config/avr/avr.opt (-msp8): Document it.
 976         * doc/invoke.texi (AVR Options): Copy from trunk docu.
 977
 978 2012-05-31  Richard Guenther  <rguenther@suse.de>
 979
 980         PR middle-end/48493
 981         * expr.c (expand_assignment): Do not use movmisalign on
 982         non-memory.
 983
 984 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 985
 986         PR target/52999
 987         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
 988         (pa_section_type_flags): New.
 989         (pa_legitimate_constant_p): Revert previous change.
 990
 991 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
 992
 993         Backport from mainline
 994         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
 995
 996         PR middle-end/53008
 997         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
 998         accessed indirectly.
 999         (ipa_tm_create_version): Same.
1000
1001 2012-05-30  Jason Merrill  <jason@redhat.com>
1002
1003         PR c++/53220
1004         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1005         about array compound literals.
1006
1007 2012-05-30  Richard Guenther  <rguenther@suse.de>
1008
1009         PR middle-end/53501
1010         * fold-const.c (fold_binary_loc): Make sure to call
1011         fold_plusminus_mult_expr with the original sign of operands.
1012
1013 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1014
1015         * explow.c (probe_stack_range): Restore simple control flow and stop
1016         again when the probe cannot be generated if HAVE_check_stack.
1017
1018 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR rtl-optimization/53519
1021         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1022         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1023
1024 2012-05-29  Richard Guenther  <rguenther@suse.de>
1025
1026         PR tree-optimization/53516
1027         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1028         bitfield accesses.
1029         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1030
1031 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1032
1033         Backport from mainline
1034         2012-05-28  Richard Guenther  <rguenther@suse.de>
1035
1036         PR tree-optimization/53438
1037         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1038
1039 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1040
1041         Backport from mainline
1042         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1043
1044         PR rtl-optimization/52528
1045         * combine.c (can_combine_p): Add setting of subst_low_luid
1046         before call to expand_field_assignment().
1047
1048 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1049
1050         Backport from mainline
1051         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1052
1053         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1054
1055 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1056
1057         PR lto/52178
1058         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1059         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1060
1061 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1062
1063         PR target/53435
1064         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1065         (ix86_expand_vec_perm): Use int mode instead of float.
1066
1067 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1068
1069         PR ada/52362
1070         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1071         gnu_ld variables to yes.
1072         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1073         (HAVE_GNU_AS): Likewise.
1074         * config.in: Regenerate.
1075         * configure: Likewise.
1076
1077 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1078
1079         Backport from mainline
1080         2012-03-12  Richard Guenther  <rguenther@suse.de>
1081         * config/arm/arm.c (neon_dereference_pointer): Do not call
1082         covert during RTL expansion.
1083
1084 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1085
1086         Backport from mainline
1087         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1088
1089         PR target/53385
1090         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1091         relied on signed overflow behavior.
1092
1093 2012-05-24  Richard Guenther  <rguenther@suse.de>
1094
1095         PR middle-end/53460
1096         * tree-profile.c (tree_profiling): Cleanup the CFG if
1097         execute_fixup_cfg requests it.
1098
1099 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1100
1101         PR tree-optimization/53465
1102         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1103         vr0 into *vr, then vrp_meet that.
1104         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1105         have any equivalences.
1106         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1107         first time.
1108
1109 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1110
1111         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1112         size handling.
1113         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1114         (iterative_hash_gimple_type): Adjust comment.
1115         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1116         domain for an array type instead of the domain type itself.
1117
1118 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1119
1120         Backport from 2012-05-23 mainline r187803
1121
1122         PR target/53448
1123         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1124         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1125         ASM_OUTPUT_ALIGN.
1126
1127 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1128
1129         Backport from 2012-05-03 mainline r187075
1130
1131         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1132         has_fma4 for AMD processors with both fma3 and fma4 support.
1133
1134 2012-05-22  Richard Guenther  <rguenther@suse.de>
1135
1136         PR tree-optimization/53408
1137         * tree-vect-loop.c (vectorizable_induction): Properly check
1138         the restriction that we cannot handle induction results from
1139         the inner loop outside of the outer loop.
1140
1141 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1142
1143         PR tree-optimization/53436
1144         * omp-low.c (omp_build_component_ref): New function.
1145         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1146
1147         PR tree-optimization/53366
1148         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1149         tests if complex_numbers == 2, but there are non-complex number loads
1150         too.
1151
1152         PR tree-optimization/53409
1153         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1154         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1155
1156         PR tree-optimization/53410
1157         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1158         instead of build_int_cst (type, 0) where vector types might be
1159         involved.
1160
1161 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1162
1163         PR c/53418
1164         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1165         from folded operands before wrapping another around the
1166         conditional expression.
1167
1168 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1169             Patrick Marlier  <patrick.marlier@gmail.com>
1170
1171         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1172         indirect calls.
1173
1174 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1175
1176         Backport from mainline
1177         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1178
1179         PR target/53416
1180         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1181         (UNSPECV_RDRAND): This.
1182         (rdrand<mode>_1): Updated.
1183
1184 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         Backport from mainline
1187         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1188
1189         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1190         RDRND, F16C and FSGSBASE.
1191
1192 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         Backport from mainline
1195         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1196
1197         * tree-ssa-pre.c (can_value_number_call): Delete.
1198         (compute_avail): Skip all statements with side effects.
1199         <GIMPLE_CALL>: Skip calls to internal functions.
1200
1201 2012-05-18  David S. Miller  <davem@davemloft.net>
1202
1203         Backport r185385 from mainline
1204         2012-03-14  Richard Guenther  <rguenther@suse.de>
1205
1206         PR middle-end/52584
1207         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1208         element type instead of mode, use build_vector_type_for_mode
1209         instead of the langhook, build a vector of proper signedness.
1210         (expand_vector_operations_1): Adjust.
1211
1212 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1213
1214         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1215         $(libsubdir) as libexecsubdir.
1216
1217 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1218
1219         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1220         GIMPLE_ASSIGN.
1221
1222 2012-05-16  David S. Miller  <davem@davemloft.net>
1223
1224         * jump.c (delete_related_insns): If we remove a CALL, make sure
1225         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1226
1227 2012-05-16  Richard Henderson  <rth@redhat.com>
1228
1229         PR debug/52727
1230         * combine-stack-adj.c (prev_active_insn_bb): New.
1231         (next_active_insn_bb): New.
1232         (force_move_args_size_note): New.
1233         (combine_stack_adjustments_for_block): Use it.
1234
1235 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1236
1237         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1238         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1239         Add comments and improve stamp preservation across the whole sequence.
1240         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1241
1242 2012-05-16  Richard Guenther  <rguenther@suse.de>
1243
1244         PR tree-optimization/53364
1245         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1246         detect a view-conversion of the decl.
1247
1248 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1249
1250         PR target/53358
1251         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1252         that operands[2] is either immediate, or q_regs_operand.
1253
1254 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1255
1256         Backport r187139 from mainline.
1257         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1258
1259         PR rtl-optimization/52804
1260         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1261         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1262         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1263         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1264         RELOAD_FOR_OUTADDR_ADDRESS.
1265
1266 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1267
1268         PR target/46098
1269         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1270         generate target register for "load" class builtins.
1271
1272         Revert:
1273         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1274
1275         PR target/46098
1276         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1277         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1278         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1279         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1280         (<sse>_movu<ssemodesuffix>): New expander.
1281         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1282         (avx_movdqu<avxmodesuffix>): New expander.
1283         (*sse2_movdqu): Rename from sse2_movdqu.
1284         (sse2_movdqu): New expander.
1285
1286 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1287
1288         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1289         lineno 1 the same as lineno 0 before first start file directive.
1290         (optimize_macinfo_range): Likewise.
1291
1292         * dwarf2out.c (have_macinfo): Define.
1293         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1294         attribute, don't force empty compilation unit and don't emit any
1295         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1296
1297 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1298
1299         Backport from mainline
1300         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1301
1302         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1303         ORDERED and UNORDERED conditions.
1304
1305 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1306
1307         * function.c (requires_stack_frame_p): If the function can throw
1308         non-call exceptions, return true if the insn can throw internally.
1309
1310 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1311
1312         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1313         DECL_ORIGINAL_TYPE if it is present.
1314
1315 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1316
1317         Backport from 2012-05-12 mainline r187342.
1318
1319         PR target/53256
1320         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1321         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1322         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1323         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1324         (expand_prologue): Move initialization of cfun->machine->is_naked,
1325         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1326         (avr_set_current_function): ...this new static function.
1327         (TARGET_SET_CURRENT_FUNCTION): New define.
1328         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1329         checking attributes of current_function_decl.
1330         (avr_regs_to_save): Ditto.
1331         (signal_function_p): Rename to avr_signal_function_p.
1332         (interrupt_function_p): Rename to avr_interrupt_function_p.
1333
1334         * doc/extend.texi (Function Attributes): Better explanation of
1335         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1336         alphabetical order.
1337
1338 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1339
1340         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1341
1342 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1343
1344         PR target/53272
1345         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1346         when a constant source operand matches an "I" constraint, the "no
1347         CC0 change" applies to a register-destination only, not a
1348         strict_low_part-destination.
1349
1350 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1351
1352         Backport from mainline:
1353         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1354
1355         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1356
1357 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1358
1359         PR tree-optimization/53239
1360         * tree-vrp.c (get_value_range): Set VR of
1361         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1362         to nonnull.
1363
1364 2012-05-07  Richard Guenther  <rguenther@suse.de>
1365
1366         PR tree-optimization/53195
1367         * tree-inline.c (setup_one_parameter): Properly add referenced
1368         vars from the parameters new known value.
1369
1370 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1371
1372         Backport from mainline:
1373         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1374
1375         PR target/52999
1376         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1377         in constant pool.
1378
1379 2012-05-04  Ian Lance Taylor  <iant@google.com>
1380
1381         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1382         values from false to NULL.
1383
1384 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1385
1386         Backport from mainline
1387         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1388
1389         PR target/53228
1390         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1391         (TARGET_CMOV): Rename from TARGET_CMOVE.
1392         (TARGET_CMOVE): New define.
1393         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1394         Do not set TARGET_CMOVE here.
1395
1396 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1397
1398         Backport from mainline:
1399
1400         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1401
1402         PR tree-optimization/52633
1403         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1404         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1405         (vect_recog_over_widening_pattern): Remove handling of code that was
1406         already detected as over-widening pattern.  Remove special handling
1407         of "unsigned" cases.  Instead, support general case of conversion
1408         of the shift result to another type.
1409
1410         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1411
1412         * tree-vect-patterns.c (vect_single_imm_use): New function.
1413         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1414         (vect_recog_over_widening_pattern): Likewise.
1415         (vect_recog_widen_shift_pattern): Likewise.
1416
1417         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1418
1419         PR tree-optimization/52870
1420         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1421         presumed pattern statement is within the same loop or basic block.
1422
1423 2012-05-04  Richard Guenther  <rguenther@suse.de>
1424
1425         * common.opt (flto-report): Do not mark as Optimization.
1426
1427 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1428
1429         PR target/48496
1430         * recog.c (constrain_operands): If extra constraints are present, also
1431         accept pseudo-registers with equivalent memory locations during reload.
1432
1433 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1434
1435         Backport from the mainline
1436         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1437
1438         PR target/53199
1439         * config/rs6000/rs6000.md (bswapdi splitters): If
1440         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1441         default) is used, generate an alternate sequence that does not
1442         depend on using indexed addressing.
1443
1444 2012-05-03  David S. Miller  <davem@davemloft.net>
1445
1446         PR target/52684
1447         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1448         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1449         (sparc_emit_float_lib_cmp): Likewise.
1450
1451 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1452
1453         Backport from mainline
1454         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1455
1456         PR lto/52605
1457         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1458         of a variable when the contect is a function.
1459
1460 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1461
1462         PR plugins/53126
1463         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1464         append program name to it and pass that as first argument
1465         to make_relative_prefix.  Always pass standard_libexec_prefix
1466         as last argument to make_relative_prefix.  If
1467         make_relative_prefix returns NULL, fall back to
1468         standard_libexec_prefix.
1469
1470         PR debug/53174
1471         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1472         removed.
1473
1474         PR target/53187
1475         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1476         mode, return that mode.
1477
1478 2012-05-03  Richard Guenther  <rguenther@suse.de>
1479
1480         PR tree-optimization/53144
1481         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1482         Rename to ...
1483         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1484         with SSA name values.
1485         (vn_reference_lookup_3): Adjust callers.
1486
1487 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR tree-optimization/53163
1490         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1491         return value from compute_all_dependences.
1492
1493         PR rtl-optimization/53160
1494         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1495         has been modified by ree pass already.
1496
1497 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1498
1499         Backport from mainline
1500         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1501
1502         PR middle-end/53136
1503         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1504         calls to cgraph_node_name in xstrdup.
1505         (ipa_make_edge_direct_to_target): Ditto.
1506         * tree-sra.c (convert_callers_for_node): Ditto.
1507         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1508         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1509         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1510         (cgraph_materialize_all_clones): Ditto.
1511         * ipa-inline.c (report_inline_failed_reason): Ditto.
1512         (want_early_inline_function_p): Ditto.
1513         (edge_badness): Ditto.
1514         (update_edge_key): Ditto.
1515         (flatten_function): Ditto.
1516         (ipa_inline): Ditto.
1517         (inline_always_inline_functions): Ditto.
1518         (early_inline_small_functions): Ditto.
1519
1520 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1521
1522         Backport from mainline
1523         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1524
1525         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1526         Introduce emul_name to select the right linker emulation for
1527         powerpc64-*-freebsd*.
1528         * configure: Regenerate.
1529         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1530         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1531         * config/rs6000/freebsd64.h: New file.
1532         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1533         POWERPC_FREEBSD.
1534         (rs6000_savres_strategy): Likewise.
1535         (rs6000_savres_routine_name): Likewise.
1536         (rs6000_elf_file_end): Likewise.
1537         * config/rs6000/t-freebsd64: New file.
1538         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1539         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1540
1541 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1542
1543         Backport from mainline
1544         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1545
1546         PR target/53138
1547         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1548
1549 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1550
1551         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1552         predicate to discriminate types.
1553
1554 2012-04-27  Richard Guenther  <rguenther@suse.de>
1555
1556         PR c/51527
1557         * convert.c (convert_to_integer): Avoid infinite recursion for
1558         target-defined built-in types.
1559
1560 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1561
1562         PR target/53120
1563         * config/cris/cris.md ("*andhi_lowpart_v32")
1564         ("*andqi_lowpart_v32"): Change first input-only operand from
1565         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1566         const_int-matching constraints for redundancy.
1567         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1568         three-operand alternative.
1569
1570 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1571
1572         Backport from mainline
1573         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1574
1575         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1576         (*addsi_2_zext): Ditto.
1577         (*add<mode>_3): Ditto.
1578         (*addsi_3_zext): Ditto.
1579         (*add<mode>_5): Ditto.
1580
1581 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1582
1583         PR c/52880
1584         * c-typeck.c (set_nonincremental_init,
1585         set_nonincremental_init_from_string): Pass true instead of false
1586         as IMPLICIT to add_pending_init.
1587
1588 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1589
1590         Backport from 2012-04-24 mainline r186768.
1591
1592         PR target/53065
1593         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1594
1595 2012-04-24  Richard Guenther  <rguenther@suse.de>
1596
1597         PR tree-optimization/53085
1598         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1599         stores.
1600
1601 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1602
1603         PR middle-end/53084
1604         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1605         of MEM_REF.
1606         (output_addressed_constants): Likewise.
1607
1608         PR middle-end/52999
1609         * varasm.c (get_section): Don't ICE for section conflicts with
1610         built-in section kinds.
1611
1612 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1613
1614         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1615
1616 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1617
1618         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1619
1620 2012-04-23  Richard Guenther  <rguenther@suse.de>
1621
1622         PR c/53060
1623         * c-typeck.c (build_binary_op): Fix typo.
1624
1625 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR tree-optimizations/52891
1628         * tree-vect-patterns.c (adjust_bool_pattern): Use
1629         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1630         but with non-standard precision.
1631
1632 2012-04-22  Ian Lance Taylor  <iant@google.com>
1633
1634         * godump.c (go_output_typedef): Dump size of structs.
1635
1636 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1637
1638         Backport from mainline:
1639
1640         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1641         hints for 'A' operand types.
1642
1643 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1644
1645         Backport from 2012-04-19 mainline r186588.
1646
1647         PR target/53033
1648         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1649         the case *(X+const).
1650
1651 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1652
1653         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1654
1655 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1656
1657         PR target/53020
1658         * config/i386/sync.md (atomic_<code><mode>): Rename to
1659         atomic_<logic><mode>.
1660
1661 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1662
1663         Backport from mainline
1664         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1665
1666         PR target/52932
1667         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1668         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1669         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1670         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1671         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1672         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1673         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1674         gen_avx2_permvarv8sf.
1675
1676 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1677
1678         Backported from mainline
1679
1680         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1681         PR middle-end/52939
1682
1683         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1684         fold_ctor_reference returns a zero constant.
1685
1686 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1687
1688         Backported from mainline
1689         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1690
1691         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1692         and __ILP32__ for x32.
1693
1694 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1695
1696         Backport from mainline r186418.
1697
1698         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1699
1700         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1701         parameters vuse and vuse_escaped.
1702         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1703         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1704         vuse1 != vuse2.
1705
1706 2012-04-13  Richard Guenther  <rguenther@suse.de>
1707
1708         PR tree-optimization/52969
1709         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1710         the condition for the COND_EXPR and handle predicate negation
1711         by swapping the COND_EXPR arms.
1712
1713 2012-04-13  Richard Guenther  <rguenther@suse.de>
1714
1715         PR c/52862
1716         * convert.c (convert_to_pointer): Remove special-casing of
1717         zero.
1718
1719 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1720
1721         Backport from mainline
1722         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1723
1724         PR target/52775
1725         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1726         the list of options to enable the FCFID instruction.
1727         (TARGET_EXTRA_BUILTINS): Adjust comment.
1728
1729 2012-04-12  Richard Guenther  <rguenther@suse.de>
1730
1731         PR tree-optimization/52943
1732         * tree-chrec.h (chrec_is_positive): Remove.
1733         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1734         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1735         Return false for a constant zero instead of negative.
1736         (analyze_siv_subscript_cst_affine): Handle zero difference
1737         in the initial condition explicitely.
1738
1739 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1740
1741         PR middle-end/52894
1742         * varasm.c (process_pending_assemble_externals): Set
1743         pending_assemble_externals_processed true.
1744         (assemble_external): Call assemble_external_real if the pending
1745         assemble externals have been processed.
1746
1747 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1748
1749         PR target/52717
1750         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1751         the DECL generated for the special GOT helper.
1752
1753 2012-04-06  Walter Lee  <walt@tilera.com>
1754
1755         Backport from mainline
1756         2012-03-07  Walter Lee  <walt@tilera.com>
1757
1758         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1759         REG_CFA_* notes for the stack pointer.
1760         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1761         EH_RETURN_STACKADJ_RTX.
1762         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1763         generate REG_CFA_* notes for the stack pointer.
1764         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1765         by EH_RETURN_STACKADJ_RTX.
1766
1767 2012-04-06  Matt Turner  <mattst88@gmail.com>
1768
1769         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1770
1771 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1772
1773         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1774         of the destination isn't also a FP_REGS register.
1775
1776 2012-04-03  Richard Guenther  <rguenther@suse.de>
1777
1778         Backport from mainline
1779         2012-03-02  Richard Guenther  <rguenther@suse.de>
1780
1781         PR tree-optimization/52406
1782         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1783         (struct indices): Add unconstrained_base member.
1784         (struct dr_alias): Remove unused vops member.
1785         (DR_UNCONSTRAINED_BASE): New define.
1786         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1787         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1788         be an artificial access that covers the whole indexed object,
1789         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1790         plain decl base-objects to their MEM_REF variant.
1791         (dr_may_alias_p): When the base-object of either data reference
1792         has unknown size use only points-to information.
1793         (compute_affine_dependence): Make dumps easier to read and
1794         more verbose.
1795         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1796         DR_REF when looking for packed references.
1797         (vect_supportable_dr_alignment): Likewise.
1798
1799 2012-04-03  Richard Guenther  <rguenther@suse.de>
1800
1801         Backport from mainline
1802         2012-03-15  Richard Guenther  <rguenther@suse.de>
1803
1804         PR middle-end/52580
1805         * tree-data-ref.c (subscript_dependence_tester_1): Check
1806         all dimensions for non-conflicting access functions.
1807
1808 2012-04-03  Richard Guenther  <rguenther@suse.de>
1809
1810         Backport from mainline
1811         2012-03-06  Richard Guenther  <rguenther@suse.de>
1812
1813         PR middle-end/52493
1814         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1815
1816         2012-03-23  Richard Guenther  <rguenther@suse.de>
1817
1818         PR tree-optimization/52678
1819         * tree-vectorizer.h (struct _stmt_vec_info): Add
1820         loop_phi_evolution_part member.
1821         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1822         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1823         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1824         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1825         Use the cached evolution part and the PHI nodes value from
1826         the loop preheader edge instead of re-analyzing the evolution.
1827
1828         2012-03-26  Richard Guenther  <rguenther@suse.de>
1829
1830         PR tree-optimization/52701
1831         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1832         compute and set the evolution part of PHI nodes.
1833
1834         2012-03-30  Richard Guenther  <rguenther@suse.de>
1835
1836         PR tree-optimization/52754
1837         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1838         propagate arbitrary addresses into really plain dereferences.
1839
1840 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1841
1842         PR tree-optimization/52835
1843         * tree-data-ref.c (build_rdg): Return NULL if
1844         compute_data_dependences_for_loop failed.
1845
1846 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1847
1848         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1849         (stmt_can_make_abnormal_goto): Use it.
1850         (is_ctrl_altering_stmt): Likewise.
1851
1852 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1853
1854         Backported from mainline
1855         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1856
1857         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1858         is a builtin_stack_save in a dominating BB.
1859
1860 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1861
1862         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1863         crossing 128bit lane boundary.
1864
1865 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1866
1867         Backported from mainline
1868         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1869
1870         PR target/52698
1871         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1872         New prototype.
1873         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1874         * config/i386/i386.c: Include reload.h.
1875         (ix86_legitimize_reload_address): New function.
1876
1877 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1878
1879         Backported from mainline
1880         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1881
1882         PR middle-end/52693
1883         * tree-sra.c (sra_modify_assign): Do not call
1884         load_assign_lhs_subreplacements when working with an unscalarizable
1885         region.
1886
1887 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1888
1889         PR middle-end/52691
1890         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1891         __builtin_va_start to __builtin_next_arg if the latter is
1892         builtin_decl_explicit_p rather than when it is not.
1893
1894         PR middle-end/52750
1895         * tree-vect-generic.c (vector_element): Perform multiplication
1896         for pos in bitsizetype type instead of idx type.
1897
1898 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1899
1900         Backport from 2012-03-28 mainline r185910.
1901
1902         PR target/52692
1903         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1904         (avr_builtin_decl): New static function.
1905         (struct avr_builtin_description, avr_bdesc): Move up.
1906         Add GTY marker. Add field fndecl. Remove redundant field id.
1907         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1908         (avr_expand_builtin): Code cleanup because .id is removed.
1909
1910 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1911
1912         PR middle-end/51893
1913         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1914         targets.
1915
1916 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1917
1918         Backport from 2012-03-28 mainline r185907.
1919
1920         PR target/52737
1921         * config.gcc (tm_file): Remove avr/multilib.h.
1922
1923         * doc/invoke.texi (AVR Options): Adjust
1924         documentation of -mtiny-stack.
1925
1926         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1927         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1928         * config/avr/t-avr: Remove generation of multilib.h.
1929         * config/avr/t-multilib: Regenerate.
1930         * config/avr/multilib.h: Remove.
1931         * config/avr/avr.opt (-msp8): New option.
1932         (avr_sp8): New variable.
1933         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1934         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1935         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1936         (avr_device_to_sp8): New prototype.
1937         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1938         (DRIVER_SELF_SPECS): New define.
1939         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1940         __AVR_SP8__, __AVR_HAVE_SPH__.
1941         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1942         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1943         (avr_file_start): Ditto.
1944
1945 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1946
1947         PR target/52736
1948         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1949         instead of 8 in adjust_address.
1950
1951 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1952
1953         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1954         of a unit before computing the offset in units.
1955
1956 2012-03-27  Richard Guenther  <rguenther@suse.de>
1957
1958         PR middle-end/52720
1959         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1960         explicitely.
1961
1962 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1963
1964         PR target/52610
1965         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1966
1967 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1968
1969         PR middle-end/52640
1970         * varasm.c: Include pointer-set.h.
1971         (pending_assemble_externals_set): New pointer set.
1972         (process_pending_assemble_externals): Destroy the pointer set.
1973         (assemble_external): See if decl is in pending_assemble_externals_set,
1974         and add it to pending_assemble_externals if necessary.
1975         (init_varasm_once): Allocate pending_assemble_externals_set.
1976
1977 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1978
1979         Backported from mainline
1980         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1981
1982         PR target/50310
1983         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1984         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1985         (vector_ltgt<mode>): Likewise.
1986         (vector_ordered<mode>): Likewise.
1987         (vector_unordered<mode>): Likewise.
1988         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1989
1990 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1991
1992         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1993         Make static.
1994
1995 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1996
1997         Backported from mainline
1998         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1999
2000         PR target/48596
2001         PR target/48806
2002         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2003         GENERAL_REGS and FP_REGS for SImode.
2004
2005 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2006
2007         PR middle-end/52547
2008         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2009         on any new_local_var_chain vars declared during recursing on
2010         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2011
2012 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2013
2014         Backport from 2012-03-22 mainline r185692.
2015
2016         PR target/52496
2017         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2018         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2019         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2020         (delay_cycles_1, delay_cycles_2): Ditto.
2021         (delay_cycles_3, delay_cycles_4): Ditto.
2022         (nopv, *nopv): Ditto.
2023         (sleep, *sleep): Ditto.
2024         (wdr, *wdr): Ditto.
2025
2026         Backport from 2012-03-21 mainline r185605.
2027
2028         PR rtl-optimization/52543
2029         PR target/52461
2030         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2031         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2032         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2033         (avr_load_libgcc_p): Restrict to __flash loads.
2034         (avr_out_lpm): Only handle 1-byte loads from __flash.
2035         (avr_load_lpm): New function.
2036         (avr_find_unused_d_reg): Remove.
2037         (avr_out_lpm_no_lpmx): Remove.
2038         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2039         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2040         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2041         (load_<mode>, load_<mode>_clobber): New insns.
2042         (mov<mode>): For multi-byte move from non-generic
2043         16-bit address spaces: Expand to load_<mode> resp.
2044         load_<mode>_clobber.
2045         (load<mode>_libgcc): Remove expander.
2046         (split-lpmx): Remove split.
2047
2048         Backport from 2012-03-13 mainline r185329.
2049
2050         PR target/52488
2051         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2052         offset (size) to a value the insns can deal with.
2053         (expand_epilogue): Ditto.
2054
2055         Backport from 2012-03-12 mainline r185256.
2056
2057         PR target/52499
2058         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2059         type from reg_class_t to enum reg_class.
2060         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2061
2062         Backport from 2012-03-12 mainline r185253.
2063
2064         PR target/52148
2065         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2066         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2067         r184615 from 2012-02-28.
2068
2069         Backport from 2012-03-08 mainline r185105.
2070
2071         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2072         for constants in [-63,63].
2073
2074         Backport from 2012-03-08 mainline r185100.
2075
2076         PR target/52496
2077         * config/avr/avr.c (avr_mem_clobber): New static function.
2078         (avr_expand_delay_cycles): Add memory clobber operand to
2079         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2080         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2081         (enable_interrupt, disable_interrupt): New expander.
2082         (nopv, sleep, wdr): New expanders.
2083         (delay_cycles_1): Add memory clobber.
2084         (delay_cycles_2): Add memory clobber.
2085         (delay_cycles_3): Add memory clobber.
2086         (delay_cycles_4): Add memory clobber.
2087         (cli_sei): New insn from former "enable_interrupt",
2088         "disable_interrupt" with memory clobber.
2089         (*wdt): New insn from former "wdt" with memory clobber.
2090         (*nopv): Similar, but for "nopv".
2091         (*sleep): Similar, but for "sleep".
2092
2093         Backport from 2012-03-07 mainline r185043.
2094
2095         PR target/52484
2096         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2097
2098         Backport from 2012-03-07 mainline r185032.
2099
2100         PR target/52506
2101         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2102         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2103         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2104
2105         Backport from 2012-03-07 mainline r185031.
2106
2107         PR target/52505
2108         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2109         from RAM.
2110         * config/avr/avr.md (xload_8): Adjust insn length.
2111
2112         Backport from 2012-03-07 mainline r185030.
2113
2114         PR target/52461
2115         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2116         if RAMPZ affects reading from RAM.
2117
2118         Backport from 2012-03-05 mainline r184919.
2119
2120         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2121
2122 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2123
2124         Backport from mainline r185259.
2125
2126         PR other/52545
2127         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2128         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2129
2130 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2131
2132         Backported from mainline
2133         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2134
2135         PR c/52577
2136         * c-parser.c (c_parser_postfix_expression)
2137         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2138
2139         * config/i386/smmintrin.h: Avoid /* within a comment.
2140         * config/i386/nmmintrin.h: Likewise.
2141
2142 2012-03-22  Richard Guenther  <rguenther@suse.de>
2143
2144         * BASE-VER: Set to 4.7.1.
2145         * DEV-PHASE: Set to prerelease.
2146
2147 2012-03-22  Release Manager
2148
2149         * GCC 4.7.0 released.
2150
2151 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2152
2153         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2154
2155 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2156             Andrew Pinski  <apinski@cavium.com>
2157
2158         PR middle-end/52592
2159         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2160         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2161         calls instead of __builtin_ir{int,ound}*.
2162
2163 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2164
2165         PR c++/52582
2166         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2167         if c_node is NULL.
2168
2169 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2170
2171         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2172         Refer to GCC 4.7 version of c99status.html.
2173
2174 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2175
2176         Backport from mainline
2177         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2178
2179         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2180         redefine to be NULL if the current bit-size is different from the
2181         configured bit-size.
2182
2183         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2184         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2185         set the default tuning.  Add asserts to make sure the cpu and tune
2186         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2187         test whether the index is set, instead of > 0.
2188         (rs6000_file_start): Do not reset the default cpu if the current
2189         bit-size is different from the configured bit-size.
2190
2191 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2192
2193         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2194         binutils reference.
2195         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2196         Update binutils references.
2197         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2198         Update binutils reference.
2199         Update Sun as/GNU ld caveat.
2200         Document binutils largefile requirement for LTO plugin.
2201         Remove reference to alternate libpthread.
2202
2203 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2204
2205         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2206         reference.
2207         (Specific, mips-sgi-irix6): Likewise.
2208
2209 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2210
2211         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2212         * configure: Regenerate.
2213
2214 2012-03-07  Richard Henderson  <rth@redhat.com>
2215
2216         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2217         * config/m68k/sync.md (atomic_test_and_set): Use it.
2218         (atomic_test_and_set_1): Likewise.
2219
2220 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2221
2222         PR target/51417
2223         * Makefile.in: Let install-gcc-ar depend on installdirs,
2224         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2225         Don't double canonicalize if cross-compiling.
2226
2227 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2228
2229         * trans-mem.c: New typedef for tm_region_p.
2230         Define vector types for tm_region_p.
2231         (tm_region_init): Replace region_worklist to a vector called
2232         bb_regions.
2233
2234 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2235
2236         PR middle-end/52463
2237         * trans-mem.c (tm_region_init): Use last_basic_block.
2238
2239 2012-03-05  Richard Henderson  <rth@redhat.com>
2240
2241         PR tree-opt/52242
2242         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2243         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2244         BIGGEST_ALIGNMENT is aligned.
2245
2246 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2247
2248         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2249
2250 2012-03-05  Richard Henderson  <rth@redhat.com>
2251
2252         PR target/52481
2253         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2254         instead of calling negqi2 directly.
2255
2256 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2257
2258         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2259         (INTMAX_TYPE): Use it.
2260         (UINTMAX_TYPE): Likewise.
2261         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2262         (irix6_c_common_override_options): Declare.
2263         (C_COMMON_OVERRIDE_OPTIONS): Define.
2264         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2265         * config/mips/irix6-c.c: New file.
2266         * config/mips/t-irix6 (irix6-c.o): New target.
2267         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2268         cxx_target_objs.
2269
2270 2012-03-02  Richard Henderson  <rth@redhat.com>
2271
2272         * optabs.c (expand_atomic_test_and_set): Honor
2273         atomic_test_and_set_trueval even when atomic_test_and_set
2274         optab is not in use.
2275
2276 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2277
2278         Backport from mainline
2279         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2280
2281         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2282
2283 2012-03-02  Richard Guenther  <rguenther@suse.de>
2284
2285         * DEV-PHASE: Set to prerelease.
2286
2287 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2288
2289         * config.gcc (obsolete): Add all ARM targets using the FPA.
2290         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2291         * doc/install.texi: Avoid references to obsolete ARM ports.
2292
2293 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2294
2295         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2296
2297 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2298             Joern Rennecke  <joern.rennecke@embecosm.com>
2299
2300         * doc/extend.texi: Expand and update information on interrupt
2301         attribute for Epiphany.
2302
2303 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2304
2305         * config/sh/sh-protos.h: Update copyright notice dates.
2306         * config/sh/sh.h: Likewise.
2307         * config/sh/sh.md: Likewise.
2308         * config/sh/constraints.md: Likewise.
2309         * config/sh/predicates.md: Likewise.
2310
2311 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2312
2313         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2314         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2315
2316 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2317
2318         * config/sh/constraints.md: Fix comment typo.
2319
2320 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2321
2322         PR target/52408
2323         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2324         unsigned HOST_WIDE_INT.
2325         (zvdep_imm64): Likewise.
2326         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2327         (vdepi_and): Likewise.
2328         Likewise for unamed 64-bit patterns.
2329         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2330
2331 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2332
2333         PR debug/52001
2334         PR rtl-optimization/52417
2335         * cselib.c (cselib_any_perm_equivs): New variable.
2336         (cselib_reset_table): Check that it's not set when not
2337         preserving constants.
2338         (cselib_add_permanent_equiv): Set it.
2339         (cselib_have_permanent_equivalences): New.
2340         (cselib_init, cselib_finish): Reset it.
2341         * cselib.h (cselib_have_permanent_equivalences): Declare.
2342         * alias.c (get_addr): Restore earlier behavior when there
2343         aren't permanent equivalences.
2344
2345 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2346
2347         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2348         * config/v850/v850-modes.def: Fix copyright notice.
2349
2350 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2351
2352         * doc/extend.texi (AVR Built-in Functions): Document
2353         __builtin_avr_flash_segment.
2354
2355         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2356         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2357         (*split.flash_segment): New insn-and-split.
2358         * config/avr/avr.c (avr_init_builtins): Add local variables:
2359         const_memx_void_node, const_memx_ptr_type_node,
2360         char_ftype_const_memx_ptr.
2361
2362 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2363
2364         PR tree-optimization/52445
2365         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2366         add ssa_name_ver, offset and size fields and change store field
2367         to bool.
2368         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2369         (add_or_mark_expr): Likewise.  Only consider previous stores
2370         with the same size and offset.
2371         (nt_init_block): Only look at gimple_assign_single_p stmts,
2372         doesn't look at rhs2.
2373
2374 2012-03-01  Richard Guenther  <rguenther@suse.de>
2375
2376         PR middle-end/52443
2377         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2378         conversions from integral types to pointer types.
2379
2380 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2381
2382         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2383         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2384         unintentionally removed in r184616.
2385
2386 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2387
2388         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2389         3DNow from bdver1.
2390
2391 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2392             Uros Bizjak  <ubizjak@gmail.com>
2393
2394         PR target/52437
2395         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2396         alternatives, add "e" constraint to the new last alternative
2397         and ! to last 3 alternatives.
2398
2399 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2400
2401         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2402         DW_AT_artificial attributes at the end of the processing.
2403         (gen_array_type_die): Likewise.
2404         (gen_enumeration_type_die): Likewise.
2405         (gen_struct_or_union_type_die): Likewise.
2406         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2407         the parent type.
2408
2409 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR middle-end/52419
2412         * expr.c (expand_assignment): If doing misaligned store that doesn't
2413         cover all mode bits, perform a RMW cycle.
2414
2415         PR tree-optimization/52429
2416         * tree-parloops.c (separate_decls_in_region_debug): Return early
2417         if var is LABEL_DECL.
2418
2419 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2420
2421         PR tree-optimization/52424
2422         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2423         calling dom_thread_across_edge.
2424
2425 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2426
2427         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2428
2429 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2430
2431         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2432         * config/avr/avr.c (avr_output_bld): Remove unused function.
2433         (avr_out_sbxx_branch): Use "%T" to print bit position.
2434
2435 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2436
2437         * config/avr/avr.md: Untabify.
2438
2439 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2440
2441         * config/avr/avr.md (eqne): New code iterator.
2442         (*dec-and-branchsi): Use it in text peephole's condition.
2443         (*dec-and-branchhi): Ditto.
2444         (*dec-and-branchqi): Ditto.
2445
2446 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2447
2448         PR target/49939
2449         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2450         the device does not have the skip-bug.
2451
2452 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2453
2454         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2455         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2456         -mpretend-cmove): New.
2457
2458 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR bootstrap/52397
2461         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2462         doesn't count DEBUG_INSN refs.
2463         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2464         for DEBUG_INSN refs.
2465
2466 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2467
2468         Partially revert:
2469
2470         2012-02-20  Richard Guenther  <rguenther@suse.de>
2471         PR tree-optimization/52298
2472         * tree-vect-stmts.c (vectorizable_load): Properly use
2473         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2474         outer loops.
2475
2476 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2477
2478         PR middle-end/51752
2479         * gimple.h (gimple_in_transaction): New.
2480         (gimple_set_in_transaction): New.
2481         (struct gimple_statement_base): Add in_transaction field.
2482         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2483         transaction loads.
2484         (tree_ssa_lim_initialize): Compute transaction bits.
2485         * tree.h (compute_transaction_bits): Protoize.
2486         * trans-mem.c (tm_region_init): Use the heap to store BB
2487         auxilliary data.
2488         (compute_transaction_bits): New.
2489
2490 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2491
2492         * gcc.c (display_help): Document --help=common and sort entries
2493         alphabetically.
2494
2495 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2496
2497         * doc/install.texi: Document check-$LANG specific shortcuts
2498
2499 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2500
2501         PR target/51534
2502         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2503         and vcgtu.
2504         * config/arm/arm_neon.h: Regenerate.
2505         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2506         (neon_vcgeu): New insn.
2507         (neon_vcgtu): Likewise.
2508         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2509         (ops): Unsigned comparison intrinsics call a different
2510         builtin.
2511
2512 2012-02-28  Richard Guenther  <rguenther@suse.de>
2513
2514         PR target/52407
2515         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2516         ordering for the VEC_CONCAT for two element vectors for
2517         V2SFmode, V2SImode and V2DImode.
2518
2519 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2520
2521         PR target/49448
2522         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2523         detecting big-endian triplets.
2524
2525 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2526
2527         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2528         mode if there is no type information available.
2529
2530 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2531
2532         PR tree-optimization/53207
2533         * doc/invoke.texi: Document as experimental and relying on graphite.
2534
2535 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2536
2537         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2538         of initializer to changes from r184614.
2539
2540 2012-02-28  Richard Guenther  <rguenther@suse.de>
2541
2542         PR tree-optimization/52395
2543         * tree-sra.c (build_ref_for_offset): Also look at the base
2544         TYPE_ALIGN when figuring out the alignment of the replacement.
2545
2546 2012-02-28  Richard Guenther  <rguenther@suse.de>
2547
2548         PR tree-optimization/52402
2549         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2550         mis-aligned types when creating the accesses at the call site.
2551
2552 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2553
2554         * config/avr/builtins.def: New file.
2555         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2556         * config/avr/avr.c (enum avr_builtin_id): Use it.
2557         (avr_init_builtins): Use it. And use avr_bdesc.
2558         (bdesc_1arg): Remove.
2559         (bdesc_2arg): Remove.
2560         (bdesc_3arg): Remove.
2561         (struct avr_builtin_description): Add field n_args.
2562         (avr_bdesc): New static variable using builtins.def.
2563         (avr_expand_builtin): Use it.
2564         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2565         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2566         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2567
2568 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2569
2570         PR target/52148
2571         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2572         match only one single hard register with respective hard reg rtx.
2573         (movmemx_<mode>): Ditto.
2574         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2575         insn anatomy of movmem[x]_<mode>.
2576         (avr_out_movmem): Same for printing assembler and operand usage.
2577
2578 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2579
2580         PR target/49868
2581         PR target/52261
2582         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2583         address spaces located outside of device flash.
2584
2585         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2586         (mcu_type_s): Add field n_flash.
2587         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2588         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2589         (AVR_MCU): Add N_FLASH argument.
2590         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2591         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2592         macro __FLASH<n> if that address space makes sense for the device.
2593         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2594         outside of target flash.
2595         (avr_asm_named_section): Ditto.
2596         (avr_asm_select_section): Ditto.
2597         (avr_addr_space_convert): Ditto.
2598         (avr_emit_movmemhi): Ditto.
2599         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2600         address space is outside of device flash.
2601         (avr_insert_attributes): Ditto.
2602         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2603         avr_current_arch->n_segments.
2604
2605 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2606
2607         PR target/52352
2608         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2609         TARGET_LP64.
2610         (*movabs<mode>_2): Likewise.
2611
2612 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2613
2614         PR target/52375
2615         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2616         s_register_operand in the test instead of REG_P.  Don't call
2617         gen_reg_rtx if it won't be used.
2618
2619         PR tree-optimization/52376
2620         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2621
2622 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2623
2624         * ifcvt.c (noce_get_condition): Check condition variable is not
2625         small_register_classes_for_mode_p before accepting.
2626
2627 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2628
2629         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2630
2631 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2632
2633         Revert:
2634         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2635         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2636         tuning parameters.
2637         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2638
2639 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2640
2641         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2642
2643 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2644
2645         * config/sh/predicates.md: Remove blank lines.
2646         * config/sh/sh.c: Fix typos in comments.
2647         * config/sh/constraints.md: Likewise.
2648         * config/sh/sh.md: Remove blank lines.
2649         Fix typos in comments.  Use ;; as comment characters.
2650
2651 2012-02-26  Walter Lee  <walt@tilera.com>
2652
2653         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2654         (replace_mov_pcrel_step2): Ditto.
2655
2656 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2657
2658         PR debug/52001
2659         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2660         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2661         and locs that reference values newer than the non-canonical value
2662         at hand.  Return the canonical value as a worst case.
2663         (memrefs_conflict_p): Walk canonical value's locs.
2664
2665         PR debug/52001
2666         * cselib.c (preserve_only_constants): Rename to...
2667         (preserve_constants_and_equivs): ... this.  Split out...
2668         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2669         of other preserved expressions too.
2670         (cselib_reset_table): Adjust.
2671         * var-tracking.c (reverse_op): Use canonical value to build
2672         reverse operation.
2673
2674 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2675
2676         * config/i386/i386.c (ix86_delegitimize_address): Handle
2677         UNSPEC_PCREL plus displacement.
2678
2679 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2680
2681         PR target/52261
2682         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2683         to test for unusedness in st X addressing.
2684
2685 2012-02-24  Richard Guenther  <rguenther@suse.de>
2686
2687         PR middle-end/52361
2688         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2689         (is_gimple_reg_type): Move inline ...
2690         * gimple.h (is_gimple_reg_type): ... here.
2691
2692 2012-02-24  Richard Guenther  <rguenther@suse.de>
2693
2694         PR middle-end/52361
2695         * passes.c (execute_function_todo): When verifying SSA form
2696         verify gimple form first.
2697         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2698
2699 2012-02-24  Richard Guenther  <rguenther@suse.de>
2700
2701         PR middle-end/52355
2702         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2703         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2704
2705 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2706
2707         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2708
2709 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2710
2711         * tree-phinodes.c (make_phi_node): Mark static.
2712         * tree-flow.h (make_phi_node): Remove extern decl.
2713         * doc/gimple.texi (make_phi_node): Remove documentation.
2714
2715 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2716
2717         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2718         * tree-ssa-sccvn.c (print_scc): Ditto.
2719
2720 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2721
2722         * doc/passes.texi (Full redundancy elimination): Fix typo.
2723
2724 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2725
2726         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2727
2728 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2729
2730         PR bootstrap/52287
2731         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2732
2733 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         PR c/52290
2736         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2737
2738 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2739
2740         * config/avr/avr.md (code_stdname): Add ior, xor.
2741         (xior): New code iterator.
2742         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2743         (*<code_stdname><mode>qi.byte1-3): Ditto.
2744
2745 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2746
2747         PR tree-optimization/52019
2748         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2749         CLOBBER stmts.
2750
2751 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2752
2753         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2754         HAVE_INITFINI_ARRAY to work around namespace pollution in
2755         certain versions of newlib system headers.
2756         * config.in: Regenerate.
2757         * configure: Regenerate.
2758         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2759         instead of HAVE_INITFINI_ARRAY.
2760
2761 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2762
2763         PR target/52330
2764         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2765         is not offsettable memory reference.
2766
2767 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2768
2769         PR target/18145
2770         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2771         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2772
2773 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2774
2775         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2776         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2777
2778 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2779
2780         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2781         library on Solaris 8 even without TLS support.
2782         * configure: Regenerate.
2783
2784 2012-02-22  Richard Guenther  <rguenther@suse.de>
2785
2786         PR middle-end/52329
2787         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2788         for GIMPLE_DEBUG stmts.
2789
2790 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2791
2792         PR middle-end/51782
2793         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2794         according to the base object.
2795
2796 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2797
2798         PR rtl-optimization/50063
2799         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2800         and 2 (8-bit SP) in operand 2.
2801         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2802         setup to use movhi_sp_r instead of vanilla move to write SP.
2803         Adjust REG_CFA notes to superseed unspec.
2804         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2805         of vanilla move.
2806         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2807         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2808         irq_state 1 (IRQ known to be on) here.
2809
2810 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2811
2812         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2813         WORDS_BIG_ENDIAN.
2814         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2815         assign_hard_reg): Likewise.
2816
2817 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2818
2819         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2820
2821 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2822
2823         * config/avr/avr.md
2824         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2825         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2826
2827 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2828
2829         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2830         prototype from here to...
2831         * config/avr/avr.h: ...here.
2832
2833 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2834
2835         PR target/52294
2836         * thumb2.md (thumb2_shiftsi3_short): Split register and
2837         immediate shifts.  For register shifts tie operands 0 and 1.
2838         (peephole2 for above): Check that register-controlled shifts
2839         have suitably tied operands.
2840
2841 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2842
2843         PR target/52137
2844         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2845         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2846         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2847         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2848         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2849         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2850         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2851         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2852         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2853         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2854         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2855         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2856         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2857         bdver1_ssevector_avx256_unaligned_load,
2858         bdver1_ssevector_sse128_unaligned_load,
2859         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2860         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2861         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2862         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2863         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2864         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2865         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2866         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2867         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2868         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2869         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2870         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2871         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2872         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2873         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2874         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2875         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2876         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2877         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2878         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2879         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2880         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2881         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2882         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2883         bdver1_ssediv_double_load, bdver1_ssediv_double,
2884         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2885         Add "bdver2" attribute.
2886
2887 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2888
2889         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2890         default if possible and not specified otherwise.
2891
2892 2012-02-21  Richard Guenther  <rguenther@suse.de>
2893
2894         PR middle-end/52314
2895         * gimplify.c (create_tmp_from_val): Use the main variant type
2896         for the type of the temporary we create.
2897
2898 2012-02-21  Richard Guenther  <rguenther@suse.de>
2899
2900         PR tree-optimization/52324
2901         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2902         do not gimplify a MEM_REF address operand if it is already
2903         in suitable form.
2904
2905 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2906
2907         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2908         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2909
2910 2012-02-21  Richard Guenther  <rguenther@suse.de>
2911
2912         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2913         nested_in_vect_loop.
2914
2915 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR tree-optimization/52318
2918         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2919         vdef also to non-pure/const call stmts in the sequence.
2920
2921 2012-02-20  David S. Miller  <davem@davemloft.net>
2922
2923         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2924         don't use the "rd %pc" instruction on v9 for PIC register loads.
2925
2926 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2927
2928         PR middle-end/52141
2929         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2930         in a transaction safe function.
2931
2932 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2933
2934         PR target/52238
2935         * stor-layout.c (place_field): Handle desired_align for
2936         ms-bitfields, too.
2937
2938 2012-02-20  Richard Guenther  <rguenther@suse.de>
2939
2940         PR tree-optimization/52298
2941         * tree-vect-stmts.c (vectorizable_store): Properly use
2942         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2943         outer loops.
2944         (vectorizable_load): Likewise.
2945         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2946         Access DR_STEP after ensuring it is not NULL.
2947
2948 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2949
2950         PR tree-optimization/52286
2951         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2952         optimization use double_int_to_tree instead of build_int_cst_wide,
2953         rewrite to use double_int vars.
2954
2955 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2956
2957         PR target/50166
2958         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2959         Define _start.
2960         Remove -e 0 from $gcc_cv_ld invocation.
2961         Only use __GLIBC_PREREQ if defined.
2962         Enable on Solaris since Solaris 8 patch.
2963         (gcc_SUN_LD_VERSION): New macro.
2964         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2965         gcc_SUN_LD_VERSION for version number format.
2966         * configure: Regenerate.
2967         * varasm.c (get_elf_initfini_array_priority_section): Set
2968         SECTION_NOTYPE for non-default priority.
2969         Use get_section instead of get_unnamed_section to emit
2970         .init_array/.fini_array with default priority.
2971
2972 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2973
2974         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2975         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2976         (mips_start_unique_function, mips_output_mips16_rdhwr)
2977         (mips_code_end): New functions.
2978         (TARGET_ASM_CODE_END): Define.
2979
2980 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2981
2982         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2983         to stubs with non-sibling calls.
2984
2985 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2986
2987         * doc/invoke.texi (-fira-* options): Copy-edit.
2988         (ira-* parameters): Copy-edit.
2989
2990 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2991
2992         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2993         GCC coding conventions.
2994
2995 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2996
2997         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2998         when used as adjectives.
2999
3000 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3001
3002         * doc/invoke.texi: Clean up "that"/"which" confusion.
3003
3004 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3005
3006         * system.h: Poison SMALL_REGISTER_CLASSES
3007         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3008         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3009
3010 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3011
3012         PR tree-optimization/52285
3013         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3014         when deciding if a call is a tail call or tail recursion.
3015
3016 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3017
3018         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3019         interger-constant displacement for UNSPEC_PCREL.
3020
3021 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3022
3023         PR rtl-optimization/52208
3024         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3025         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3026
3027         PR tree-optimization/52255
3028         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3029         loop->header has virtual PHI, but exit_e->dest doesn't, add
3030         virtual PHI to exit_e->dest and adjust all uses after the loop.
3031
3032         PR debug/52260
3033         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3034         children with clone_tree_hash, not after it.
3035
3036 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3037
3038         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3039         extended identifiers.
3040
3041 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3042
3043         PR middle-end/51929
3044         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3045         a same_body_alias, also test whether e->callee isn't a former
3046         or current clone of the decl this is a same body alias of.
3047
3048         PR translation/52264
3049         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3050
3051 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3052
3053         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3054
3055 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3056
3057         PR target/52199
3058         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3059         force_reg instead of copy_to_reg for better optimization.  Force
3060         non-register or memory operands into a register.
3061
3062 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3063
3064         * extend.texi: Reserve upper bits of memory model for future use.
3065
3066 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3067             Anatoly Sokolov <aesok@post.ru>
3068             Eric Weddington <eric.weddington@atmel.com>
3069
3070         PR target/52261
3071         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3072         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3073         Rewrite initializers for .macro.
3074         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3075         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3076         atxmega32d4, atxmega32x1.
3077         avrxmega4: atxmega64a3, atxmega64d3.
3078         avrxmega5: atxmega64a1, atxmega64a1u.
3079         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3080         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3081         avrxmega7: atxmega128a1, atxmega128a1u.
3082         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3083         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3084         (struct base_arch_s): Rename reserved to xmega_p.
3085         Rename reserved2 to have_rampd.
3086         (AVR_XMEGA): New define.
3087         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3088         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3089         * config/avr/predicates.md (io_address_operand): Take into
3090         account SFR offset.
3091         (low_io_address_operand): Ditto.
3092         (high_io_address_operand): Ditto.
3093         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3094         (enabled, movhi_sp_r): Use them.
3095         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3096         cpp_define_formatted to built-in define __AVR_ARCH__.
3097         (__AVR_XMEGA__): New built-in define.
3098         (__AVR_HAVE_RAMPD__): New built-in define.
3099         (__AVR_HAVE_RAMPX__): New built-in define.
3100         (__AVR_HAVE_RAMPY__): New built-in define.
3101         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3102
3103         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3104         (avr_option_override): Initialize them.
3105         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3106         (avr_init_expanders): Initialize them. No more block several calls.
3107         (emit_push_sfr): New static function.
3108         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3109         Handle AVR_XMEGA.
3110         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3111         (avr_print_operand): Print addreeses as symbols for
3112         RAMPX, RAMPY, RAMPD, CCP.
3113         (output_movhi): Handle AVR_XMEGA when writing to SP.
3114         (avr_out_movhi_mr_r_xmega): New static function.
3115         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3116         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3117         __RAMPD__,  __CCP__ as needed.
3118
3119         * config/avr/multilib.h: Regenerate.
3120         * config/avr/t-multilib: Regenerate.
3121         * config/avr/avr-tables.opt: Regenerate.
3122
3123 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3124
3125         PR tree-optimization/50561
3126         * graphite-flattening.c (lst_project_loop): Do not
3127         remove old scattering dimensions after flattening.
3128         (lst_do_flatten): Likewise.
3129
3130 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3131
3132         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3133         __builtin_avr_map8, __builtin_avr_map16.
3134         Document __builtin_avr_insert_bits.
3135
3136         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3137         (insert_bits): New insn.
3138         (adjust_len.map_bits): Rename to insert_bits.
3139         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3140         * avr-protos.h (avr_out_map_bits): Remove.
3141         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3142         * config/avr/constraints.md (Cxf,C0f): New.
3143         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3144         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3145         New built-in define __BUILTIN_AVR_INSERT_BITS.
3146         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3147         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3148         (avr_move_bits): Rewrite.
3149         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3150         functions.
3151         (avr_map_op_t): New typedef.
3152         (avr_map_op): New static variable.
3153         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3154         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3155         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3156         (bdesc_3arg, avr_expand_triop_builtin): New.
3157         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3158         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3159         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3160         (avr_map_equal_p, avr_map_sig_p): Remove.
3161         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3162         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3163         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3164         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3165         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3166         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3167
3168 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3169
3170         * config/c6x/c6x.md (reserve_cycles): New attribute.
3171         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3172         don't reserve functional units after the branch occurs.
3173
3174 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3175
3176         PR middle-end/52142
3177         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3178         functions into non-tm_pure functions.
3179
3180 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3181
3182         PR lto/52178
3183         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3184         (iterative_hash_canonical_type): Likewise.
3185         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3186         the dead edges.
3187
3188 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3189
3190         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3191         sched-group insn, it either remains alone or the entire list is pruned.
3192
3193 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3194
3195         * doc/install.texi (Prerequisites): Fix grammar.
3196         (Configuration): Likewise.
3197
3198 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3199
3200         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3201         MPC as part of GCC before describing configuring with --with-gmp etc.
3202         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3203         sources are present.
3204
3205 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR debug/51950
3208         * dwarf2out.c (clone_tree_hash): New function.
3209         (copy_decls_walk): Use it instead of clone_tree.
3210
3211 2012-02-14  Richard Guenther  <rguenther@suse.de>
3212
3213         PR tree-optimization/52244
3214         PR tree-optimization/51528
3215         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3216         replacements for integral types.
3217
3218 2012-02-14  Walter Lee  <walt@tilera.com>
3219
3220         * config.gcc: Handle tilegx and tilepro.
3221         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3222         tilegx and tilepro.
3223         Add HAVE_AS_TLS check for tilegx and tilepro.
3224         * configure: Regenerate.
3225         * doc/contrib.texi: Add Mat Hostetter and self.
3226         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3227         Document instruction intrinsics and network accessing intrinsics.
3228         (TILEPro Built-in Functions): New node.  Document instruction
3229         intrinsics and network accessing intrinsics.
3230         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3231         (Specific, tilepro-*-linux*): Likewise.
3232         * doc/invoke.texi (TILE-Gx Options): New section.
3233         (TILEPro Options): New section.
3234         * doc/md.texi (TILE-Gx): New section.
3235         (TILEPro): New section.
3236         * common/config/tilegx/tilegx-common.c: New file.
3237         * common/config/tilepro/tilepro-common.c: New file.
3238         * config/tilegx/constraints.md: New file.
3239         * config/tilegx/linux.h: New file.
3240         * config/tilegx/mul-tables.c: New file.
3241         * config/tilegx/predicates.md: New file.
3242         * config/tilegx/sync.md: New file.
3243         * config/tilegx/t-tilegx: New file.
3244         * config/tilegx/tilegx-builtins.h: New file.
3245         * config/tilegx/tilegx-c.c: New file.
3246         * config/tilegx/tilegx-generic.md: New file.
3247         * config/tilegx/tilegx-modes.def: New file.
3248         * config/tilegx/tilegx-multiply.h: New file.
3249         * config/tilegx/tilegx-protos.h: New file.
3250         * config/tilegx/tilegx.c: New file.
3251         * config/tilegx/tilegx.h: New file.
3252         * config/tilegx/tilegx.md: New file.
3253         * config/tilegx/tilegx.opt: New file.
3254         * config/tilepro/constraints.md: New file.
3255         * config/tilepro/gen-mul-tables.cc: New file.
3256         * config/tilepro/linux.h: New file.
3257         * config/tilepro/mul-tables.c: New file.
3258         * config/tilepro/predicates.md: New file.
3259         * config/tilepro/t-tilepro: New file.
3260         * config/tilepro/tilepro-builtins.h: New file.
3261         * config/tilepro/tilepro-c.c: New file.
3262         * config/tilepro/tilepro-generic.md: New file.
3263         * config/tilepro/tilepro-modes.def: New file.
3264         * config/tilepro/tilepro-multiply.h: New file.
3265         * config/tilepro/tilepro-protos.h: New file.
3266         * config/tilepro/tilepro.c: New file.
3267         * config/tilepro/tilepro.h: New file.
3268         * config/tilepro/tilepro.md: New file.
3269         * config/tilepro/tilepro.opt: New file.
3270
3271 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3272
3273         PR tree-optimization/52210
3274         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3275         vect_model_simple_cost with two entry vect_def_type array instead
3276         of an address of dt.
3277
3278 2012-02-14  Richard Guenther  <rguenther@suse.de>
3279
3280         PR lto/52178
3281         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3282         Do not stream DECL_QUALIFIER.
3283         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3284         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3285         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3286
3287 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR c/52181
3290         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3291         newdecl.
3292
3293 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3294
3295         PR bootstrap/52172
3296         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3297         * cselib.c (cselib_subst_to_values_from_insn): New function.
3298         * sched-deps.c (add_insn_mem_dependence,
3299         sched_analyze_1, sched_analyze_2): Use it.
3300
3301 2012-02-13  Jan Hubicka  <jh@suse.cz>
3302
3303         PR middle-end/52214
3304         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3305
3306 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3307
3308         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3309         (GTM_SELF_SPECS): Define if not already defined.
3310         (driver_self_specs): Add GTM_SELF_SPECS.
3311         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3312         (GTM_SELF_SPECS): Define.
3313         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3314         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3315
3316 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3317
3318         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3319         away if seen.
3320
3321         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3322
3323         PR middle-end/52230
3324         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3325         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3326
3327 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3328
3329         PR c/52190
3330         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3331
3332 2012-02-13  Richard Guenther  <rguenther@suse.de>
3333
3334         PR translation/52211
3335         * passes.c (enable_disable_pass): Fix typo.
3336
3337 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3338
3339         PR middle-end/52209
3340         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3341         XOR for reduce_bit_field if type is unsigned.
3342
3343 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3344
3345         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3346         disallow changes from SFmode to mode with different size in FP regs.
3347
3348 2012-02-12  Robert Millan  <rmh@gnu.org>
3349             Gerald Pfeifer <gerald@pfeifer.com>
3350
3351         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3352         Tweak comment.
3353
3354 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3355
3356         PR rtl-optimization/52175
3357         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3358         to frame-related instructions.
3359
3360 2012-02-10  Jason Merrill  <jason@redhat.com>
3361
3362         PR c++/51910
3363         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3364         (demangle_new_symbols): Fill it.
3365         (scan_linker_output): Walk it.
3366         (start_tweaking): Split out from scan_linker_output.
3367         (maybe_tweak): Update sym->chosen.
3368         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3369
3370 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3371
3372         PR debug/52132
3373         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3374
3375 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3378         having the same mode as previous compare.
3379
3380 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3381
3382         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3383         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3384         (nonlocal_goto_internal): Likewise.
3385         (nonlocal_goto): Emit a use and an indirect jump directly.
3386
3387 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3388
3389         PR c/52190
3390         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3391         __atomic_{is,always}_lock_free.
3392
3393 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3394
3395         PR target/52146
3396         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3397         negative constant address for x32.
3398
3399 2012-02-10  Richard Henderson  <rth@redhat.com>
3400
3401         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3402         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3403         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3404
3405 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3406             Ira Rosen  <irar@il.ibm.com>
3407
3408         PR tree-optimization/50031
3409         * targhooks.c (default_builtin_vectorization_cost): Handle
3410         vec_promote_demote.
3411         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3412         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3413         all types of reduction and pattern statements.
3414         (vect_estimate_min_profitable_iters): Likewise.
3415         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3416         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3417         for explicit realigns.
3418         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3419         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3420         vec_promote_demote.
3421         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3422         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3423         vec_perm for VSX and handle vec_promote_demote.
3424
3425 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3426
3427         PR middle-end/52177
3428         * builtins.c (fold_builtin_atomic_always_lock_free,
3429         expand_builtin_atomic_always_lock_free,
3430         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3431         Return and/or test boolean_true_node/boolean_false_node instead of
3432         integer_one_node/integer_zero_node.
3433
3434 2012-02-10  Jan Hubicka  <jh@suse.cz>
3435
3436         PR middle-end/48600
3437         * predict.c (predict_paths_for_bb): Prevent looping.
3438         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3439
3440 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3441
3442         * config/arm/arm.c (output_move_double): In one case properly
3443         count number of instructions that will be emitted.
3444
3445 2012-02-10  Richard Guenther  <rguenther@suse.de>
3446
3447         PR translation/52193
3448         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3449
3450 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3451
3452         PR middle-end/52140
3453         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3454
3455 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3456
3457         PR debug/52165
3458         * var-tracking.c (emit_note_insn_var_location): If
3459         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3460         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3461         non-NOTE_DURING_CALL_P insn.
3462
3463 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3464
3465         PR middle-end/51867
3466         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3467
3468 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3469
3470         PR driver/48524
3471         * gcc.c (switch_matches) Support switches with separated form,
3472         -D and -U.
3473
3474 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3475
3476         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3477         (SP_ADDR): Ditto.
3478         (RAMPZ_ADDR): Ditto.
3479         * config/avr/avr.c (avr_addr_t): New typedef.
3480         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3481         (avr_init_expanders): Initialize it.
3482         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3483         SREG_ADDR.
3484         (expand_epilogue): Ditto.
3485         (avr_print_operand): Ditto.
3486         (avr_file_start): Ditto.
3487         (avr_emit_movmemhi): Ditto.
3488
3489 2012-02-08  Richard Guenther  <rguenther@suse.de>
3490
3491         PR tree-optimization/46886
3492         * tree-flow.h (do_while_loop_p): Declare.
3493         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3494         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3495
3496 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3497
3498         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3499         always succeed for integers larger than a native word.
3500
3501 2012-02-08  Richard Guenther  <rguenther@suse.de>
3502
3503         PR rtl-optimization/52170
3504         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3505         properly handle integer vector modes.
3506
3507 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3508
3509         PR gcov-profile/52150
3510         * coverage.c: Include target.h.
3511         (build_var): Call targetm.strip_name_encoding on the assembler name.
3512         Change one _ into . or $ if the target allows it.
3513         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3514
3515         PR rtl-optimization/52139
3516         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3517         is a BARRIER after emit_insn_after_noloc, move BB_END
3518         to the last non-BARRIER insn before it.
3519
3520 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3521
3522         PR middle-end/24306
3523         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3524         (mips_gimplify_va_arg_expr): Call it instead of
3525         std_gimplify_va_arg_expr.
3526
3527 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3528
3529         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3530         message for -mno-pointers-to-nested-function.
3531
3532 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3533
3534         PR middle-end/51994
3535