gcc/ChangeLog

   1 2012-09-20  Release Manager
   2
   3         * GCC 4.7.2 released.
   4
   5 2012-09-15  Andi Kleen  <ak@linux.intel.com>
   6
   7         Backport from mainline
   8         2012-09-07  Andi Kleen  <ak@linux.intel.com>
   9
  10         * gcc/lto-streamer.h (res_pair): Add.
  11         (lto_file_decl_data): Replace resolutions with respairs.
  12         Add max_index.
  13         * gcc/lto/lto.c (lto_resolution_read): Remove max_index.  Add rp.
  14         Initialize respairs.
  15         (lto_file_finalize): Set up resolutions vector lazily from respairs.
  16
  17 2012-09-14  Walter Lee  <walt@tilera.com>
  18
  19         Backport from mainline.
  20         2012-09-14  Walter Lee  <walt@tilera.com>
  21
  22         * doc/invoke.texi (Option Summary): fix typesetting for -mcpu
  23         option for TILEPro and TILE-Gx.
  24
  25 2012-09-13  Uros Bizjak  <ubizjak@gmail.com>
  26
  27         * config/i386/i386.h (x86_prefetchw): New global variable.
  28         (TARGET_PREFETCHW): New macro.
  29         * config/i386/i386.c (PTA_PREFETCHW): Ditto.
  30         (processor_alias_table): Add PTA_PREFETCHW to
  31         bdver1, bdver2 and btver1.
  32         (ix86_option_override_internal): Set x86_prefetchw for
  33         PTA_PREFETCHW targets.
  34         * config/i386/i386.md (prefetch): Expand to prefetchw
  35         for TARGET_PREFETCHW.
  36         (*prefetch_3dnow_<mode>): Also enable for TARGET_PREFETCHW.
  37
  38         Backport from mainline
  39         2012-08-13  Uros Bizjak  <ubizjak@gmail.com>
  40
  41         * config/i386/i386.md (prefetch): Do not assert mode of operand 0.
  42         (*prefetch_sse_<mode>): Do not set mode of address_operand predicate.
  43         Rename to ...
  44         (*prefetch_sse): ... this.
  45         (*prefetch_3dnow_<mode>): Do not set mode of address_operand predicate.
  46         Rename to ...
  47         (*prefetch_3dnow): ... this.
  48
  49 2012-09-13  Jakub Jelinek  <jakub@redhat.com>
  50
  51         PR c/54559
  52         * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
  53         COMPLEX_TYPE with in_late_binary_op set temporarily to true.
  54
  55 2012-09-12  Teresa Johnson  <tejohnson@google.com>
  56
  57         Backport from mainline.
  58         2012-09-12  Teresa Johnson  <tejohnson@google.com>
  59
  60         PR gcov-profile/54487
  61         * configure.ac (HOST_HAS_F_SETLKW): Set based on compile
  62         test using F_SETLKW with fcntl.
  63         * configure, config.in: Regenerate.
  64
  65 2012-09-12  Uros Bizjak  <ubizjak@gmail.com>
  66
  67         Backport from mainline
  68         2012-09-12  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
  69
  70         * config/i386/i386.md : Comments on fma4 instruction selection
  71         reflect requirement on register pressure based cost model.
  72
  73         * config/i386/driver-i386.c (host_detect_local_cpu): fma4
  74         flag is set-reset as informed by the cpuid flag.
  75
  76         * config/i386/i386.c (processor_alias_table): fma4
  77         flag is enabled for bdver2.
  78
  79 2012-09-12  Christian Bruel  <christian.bruel@st.com>
  80
  81        * config/sh/newlib.h (NO_IMPLICIT_EXTERN_C): Define.
  82
  83 2012-09-12  Jakub Jelinek  <jakub@redhat.com>
  84
  85         * config.gcc: Obsolete picochip-*.
  86
  87 2012-09-11  Richard Guenther  <rguenther@suse.de>
  88
  89         PR debug/54534
  90         * cgraph.h (varpool_can_remove_if_no_refs): Restore dependence
  91         on flag_toplevel_reorder.
  92
  93 2012-09-10  Richard Henderson  <rth@redhat.com>
  94
  95         * config/alpha/predicates.md (small_symbolic_operand): Disallow
  96         large offsets.
  97
  98 2012-09-10  Georg-Johann Lay  <avr@gjlay.de>
  99
 100         Backport from 2012-09-10 mainline r191132.
 101
 102         PR target/54536
 103         * config/avr/avr-mcus.def (at90usb1287): Set LIBRARY_NAME to "usb1287".
 104
 105 2012-09-10  Markus Trippelsdorf  <markus@trippelsdorf.de>
 106
 107         PR middle-end/54515
 108         * tree-sra.c (disqualify_base_of_expr): Check for possible
 109         NULL_TREE returned by get_base_address()
 110
 111 2012-09-07  Richard Guenther  <rguenther@suse.de>
 112
 113         Backport from mainline
 114         2012-06-26  Jan Hubicka  <jh@suse.cz>
 115
 116         PR lto/53572
 117         * cgraph.h (varpool_can_remove_if_no_refs): Fix handling of
 118         used symbols.
 119
 120 2012-09-07  Richard Guenther  <rguenther@suse.de>
 121
 122         Backport from mainline
 123         2012-07-13  Richard Guenther  <rguenther@suse.de>
 124
 125         PR tree-optimization/53922
 126         * tree-vrp.c (value_inside_range): Change prototype to take
 127         min/max instead of value-range.
 128         (range_includes_zero_p): Likewise.  Return the result from
 129         value_inside_range.
 130         (extract_range_from_binary_expr_1): Adjust to handle dont-know
 131         return value from range_includes_zero_p.
 132         (extract_range_from_unary_expr_1): Likewise.
 133         (compare_range_with_value): Likewise.
 134         (vrp_meet_1): Likewise.
 135
 136 2012-09-07  Richard Guenther  <rguenther@suse.de>
 137
 138         PR middle-end/53667
 139         * tree-ssa-structalias.c (handle_rhs_call): Properly clobber
 140         EAF_NOESCAPED arguments.  Transitively close non-EAF_DIRECT
 141         arguments separately.
 142
 143 2012-09-07  Jakub Jelinek  <jakub@redhat.com>
 144
 145         Backported from mainline
 146         2012-09-06  Jakub Jelinek  <jakub@redhat.com>
 147
 148         PR rtl-optimization/54455
 149         * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
 150         bb ends up with asm goto referencing bb's label.
 151
 152 2012-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 153
 154         Backport from mainline.
 155         2012-08-29  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 156                     Richard Earnshaw  <richard.earnshaw@arm.com>
 157
 158         PR target/54252
 159         * config/arm/arm.c (neon_dereference_pointer): Adjust nelems by
 160         element size. Use elem_type from the formal parameter. New parameter
 161         fcode.
 162         (neon_expand_args): Adjust call to neon_dereference_pointer.
 163
 164 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
 165
 166         * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Use
 167         reg_not_xmm0_operand_maybe_avx as operand 0 constraint.
 168
 169 2012-09-06  Uros Bizjak  <ubizjak@gmail.com>
 170
 171         Backport from mainline
 172         2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
 173
 174         * config/i386/i386.md (isa): Add fma and fma4.
 175         (enabled): Handle fma and fma4.
 176         * config/i386/sse.md (*fma_fmadd_<mode>): Merge *fma4_fmadd_<mode>.
 177         (*fma_fmsub_<mode>): Merge *fma4_fmsub_<mode>.
 178         (*fma_fnmadd_<mode>): Merge *fma4_fnmadd_<mode>.
 179         (*fma_fnmsub_<mode>): Merge *fma4_fnmsub_<mode>.
 180         (*fma_fmaddsub_<mode>): Merge *fma4_fmaddsub_<mode>.
 181         (*fma_fmsubadd_<mode>): Merge *fma4_fmsubadd_<mode>.
 182
 183         2012-08-10  Uros Bizjak  <ubizjak@gmail.com>
 184
 185         * config/i386/sse.md (*fma_fmadd_<mode>, *fma_fmsub_<mode>,
 186         *fma_fnmadd_<mode>, *fma_fnmsub_<mode>, *fma_fmaddsub_<mode>,
 187         *fma_fmsubadd_<mode>): Move FMA3 insn patterns before FMA4 patterns.
 188
 189 2012-09-06  Richard Guenther  <rguenther@suse.de>
 190
 191         PR tree-optimization/54498
 192         * tree-ssa-alias.h (get_continuation_for_phi): Add flag to
 193         abort when reaching an already visited region.
 194         * tree-ssa-alias.c (maybe_skip_until): Likewise.  And do it.
 195         (get_continuation_for_phi_1): Likewise.
 196         (walk_non_aliased_vuses): When we translated the reference,
 197         abort when we re-visit a region.
 198         * tree-ssa-pre.c (translate_vuse_through_block): Adjust.
 199
 200 2012-09-06  Andrew Pinski  <apinski@cavium.com>
 201
 202         PR tree-opt/54494
 203         * tree-inline.c (remap_gimple_op_r): Copy TREE_SIDE_EFFECTS also.
 204
 205 2012-09-05  Jakub Jelinek  <jakub@redhat.com>
 206
 207         PR middle-end/54486
 208         * builtins.c (fold_builtin_strspn, fold_builtin_strcspn): Use
 209         build_int_cst with size_type_node instead of size_int.
 210
 211 2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
 212
 213         Backport from 2012-09-05 mainline r190697.
 214
 215         PR target/54461
 216         * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
 217         configured --with-avrlibc.
 218         (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
 219         --with-avrlibc.
 220         * config/avr/avrlibc.h: New file.
 221         * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
 222         configured --with-avrlibc.
 223         * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__
 224
 225 2012-09-05  Bin Cheng  <bin.cheng@arm.com>
 226
 227         Backport from 2012-09-04 mainline r190919
 228
 229         PR target/45070
 230         * config/arm/arm.c (thumb1_extra_regs_pushed): Handle return value
 231         of size less than 4 bytes by using macro ARM_NUM_INTS.
 232         (thumb1_unexpanded_epilogue): Use macro ARM_NUM_INTS.
 233
 234 2012-09-04  Richard Henderson  <rth@redhat.com>
 235
 236         * alias.c (read_dependence): Return true for ALIAS_SET_MEMORY_BARRIER.
 237
 238 2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
 239
 240         Backport from 2012-09-04 mainline r190920
 241
 242         PR target/54476
 243         * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with SImode.
 244
 245 2012-09-04  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 246
 247         Backport from 2012-09-04 mainline r190914
 248
 249         PR target/54220
 250         * config/avr/avr.c (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): New
 251         define to...
 252         (avr_allocate_stack_slots_for_args): ...this new static function.
 253
 254 2012-09-03  H.J. Lu  <hongjiu.lu@intel.com>
 255
 256         Backported from mainline
 257         2012-08-23  H.J. Lu  <hongjiu.lu@intel.com>
 258
 259         PR driver/54335
 260         * doc/invoke.texi: Add -da and remove -dm.
 261
 262 2012-09-03  Jakub Jelinek  <jakub@redhat.com>
 263
 264         Backported from mainline
 265         2012-09-01  Jakub Jelinek  <jakub@redhat.com>
 266
 267         PR target/54436
 268         * config/i386/i386.md (*mov<mode>_insv_1_rex64, *movsi_insv_1): If
 269         operands[1] is CONST_INT_P, convert it to QImode before printing.
 270
 271         2012-08-31  Jakub Jelinek  <jakub@redhat.com>
 272
 273         PR c/54428
 274         * c-convert.c (convert): Don't call fold_convert_loc if
 275         TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
 276         is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
 277         COMPLEX_TYPE -> COMPLEX_TYPE conversion.
 278
 279         2012-08-24  Jakub Jelinek  <jakub@redhat.com>
 280
 281         PR c/54363
 282         * gimplify.c (optimize_compound_literals_in_ctor): Only recurse
 283         if init is a CONSTRUCTOR.
 284
 285 2012-09-02  Eric Botcazou  <ebotcazou@adacore.com>
 286
 287         PR rtl-optimization/54369
 288         * config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
 289         calling dbr_schedule.
 290         * config/sparc/sparc.c (sparc_reorg): Likewise.
 291
 292 2012-08-31  Kirill Yukhin  <kirill.yukhin@intel.com>
 293
 294         Backport from mainline
 295         2012-08-23  Yuri Rumyantsev  <ysrumyan@gmail.com>
 296
 297         * config/i386/i386.c (ia32_multipass_dfa_lookahead) : Add
 298         case for Atom processor.
 299
 300 2012-08-28  Uros Bizjak  <ubizjak@gmail.com>
 301
 302         Backport from mainline
 303         2012-08-27  Uros Bizjak  <ubizjak@gmail.com>
 304
 305         PR target/46254
 306         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): Return
 307         true for TARGET_64BIT or !flag_pic.
 308         * config/i386/sync.md (*atomic_compare_and_swap_doubledi_pic): Remove.
 309         (atomic_compare_and_swap_double<mode>): Change operand 2 predicate
 310         to cmpxchg8b_pic_memory_operand.  Use DWIH mode iterator.
 311         Add insn constraint.  Conditionally emit xchg asm insns.
 312         (atomic_compare_and_swap<mode>): Update calls.  Check only
 313         cmpxchg8b_pic_memory_operand in memory address fixup.
 314         (DCASMODE): Remove.
 315         (CASHMODE): Rename from DCASHMODE.
 316         (doublemodesuffix): Update modes.
 317         (regprefix): New mode attribute.
 318
 319         (unspecv) <UNSPECV_CMPXCHG_{1,2,3,4}>: Remove.
 320         <UNSPECV_CMPXCHG>: New constant.
 321         (atomic_compare_and_swap<mode>_1): Rename from
 322         atomic_compare_and_swap_single<mode>.  Update calls and
 323         unspec_volatile constants.
 324         (atomic_compare_and_swap<mode>_doubleword): Rename from
 325         atomic_compare_and_swap_double<mode>.  Update calls and
 326         unspec_volatile constants.
 327
 328 2012-08-28  Walter Lee  <walt@tilera.com>
 329
 330         Backport from mainline
 331         2012-08-28  Walter Lee  <walt@tilera.com>
 332
 333         * confg/tilegx/tilegx.md: Fix code style.
 334         (*zero_extendsidi_truncdisi): Fix typo.
 335         * config/tilegx/tilegx.c: Fix code style.
 336         (tilegx_function_profiler): Fix typo.
 337
 338 2012-08-27  Walter Lee  <walt@tilera.com>
 339
 340         Backport from mainline
 341         2012-08-27  Walter Lee  <walt@tilera.com>
 342
 343         * doc/md.texi (TILE-Gx): Fix typo.
 344
 345 2012-08-27  Walter Lee  <walt@tilera.com>
 346
 347         Backport from mainline
 348         2012-08-27  Walter Lee  <walt@tilera.com>
 349
 350         * config/tilegx/tilegx.c (tilegx_function_profiler): Fix typo.
 351         * config/tilepro/tilepro.c (tilepro_function_profiler): Ditto.
 352
 353 2012-08-27  Walter Lee  <walt@tilera.com>
 354
 355         Backport from mainline
 356         2012-08-27  Walter Lee  <walt@tilera.com>
 357
 358         * config/tilegx/tilegx.md (*bfins): Rename to insn_bfins.
 359         (insn_bfins): Delete.
 360
 361 2012-08-27  Walter Lee  <walt@tilera.com>
 362
 363         Backport from mainline
 364         2012-08-27  Walter Lee  <walt@tilera.com>
 365
 366         * config/tilegx/sync.md (atomic_compare_and_swap_bare<mode>,
 367         atomic_exchange_bare<mode>,
 368         atomic_fetch_<fetchop_name>_bare<mode>): Set type to X1_remote.
 369         * config/tilegx/tilegx-generic.md (X1_remote): New insn_reservation.
 370         * config/tilegx/tilegx.md (type): Add X1_remove.
 371         (insn_cmpexch<four_if_si>, insn_exch<four_if_si>,
 372         insn_fetchadd<four_if_si>, insn_fetchaddgez<four_if_si>,
 373         insn_fetchand<four_if_si>, insn_fetchor<four_if_si>): Set type to
 374         X1_remote.
 375
 376 2012-08-25  Eric Botcazou  <ebotcazou@adacore.com>
 377
 378         PR rtl-optimization/54088
 379         * jump.c (delete_related_insns): Robustify latest change.
 380
 381 2012-08-21  Richard Guenther  <rguenther@suse.de>
 382
 383         Backport from mainline
 384         2012-08-16  Richard Guenther  <rguenther@suse.de>
 385
 386         PR middle-end/54146
 387         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
 388         exit vector.
 389         * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
 390         * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
 391         * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
 392         * tree-ssa-loop-im.c (analyze_memory_references): Adjust.
 393         (tree_ssa_lim_finalize): Free all mem_refs.
 394         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
 395         scc when bailing out.
 396         * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
 397         * ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
 398         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
 399         FOR_EACH_LOOP_BREAK.
 400
 401         2012-08-17  Richard Guenther  <rguenther@suse.de>
 402
 403         * tree-sra.c (modify_function): Free redirect_callers vector.
 404         * ipa-split.c (split_function): Free args_to_pass vector.
 405         * tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
 406         vec_oprnds.
 407         (new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
 408         * tree-vect-slp.c (vect_free_slp_instance): Free the instance.
 409         (vect_analyze_slp_instance): Free everything.
 410         (destroy_bb_vec_info): Free the SLP instances.
 411
 412         2012-08-17  Richard Guenther  <rguenther@suse.de>
 413
 414         * params.def (integer-share-limit): Decrease from 256 to 251,
 415         add rationale.
 416
 417         2012-08-21  Richard Guenther  <rguenther@suse.de>
 418
 419         * tree-ssa-loop-im.c (tree_ssa_lim_finalize): Properly free
 420         the affine expansion cache.
 421
 422 2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
 423
 424         Backported from trunk
 425         2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
 426
 427         PR middle-end/53992
 428         * omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
 429
 430 2012-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 431
 432         Backport from mainline.
 433         2012-08-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 434
 435         PR target/54212
 436         * config/arm/neon.md (vec_set<mode>_internal VD,VQ): Do not
 437         mark as predicable. Adjust asm template.
 438         (vec_setv2di_internal): Likewise.
 439         (vec_extract<mode> VD, VQ): Likewise.
 440         (vec_extractv2di): Likewise.
 441         (neon_vget_lane<mode>_sext_internal VD, VQ): Likewise.
 442         (neon_vset_lane<mode>_sext_internal VD, VQ): Likewise.
 443         (neon_vdup_n<mode> VX, V32): Likewise.
 444         (neon_vdup_nv2di): Likewise.
 445
 446 2012-08-17  Walter Lee  <walt@tilera.com>
 447
 448         Backport from mainline
 449         2012-08-17  Walter Lee  <walt@tilera.com>
 450
 451         * config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
 452         (FEEDBACK_ENTER): Define.
 453         (FEEDBACK_REENTER): Define.
 454         (FEEDBACK_ENTRY): Define.
 455         * config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
 456         (FEEDBACK_ENTER): Define.
 457         (FEEDBACK_REENTER): Define.
 458         (FEEDBACK_ENTRY): Define.
 459
 460 2012-08-16  Walter Lee  <walt@tilera.com>
 461
 462         Backport from mainline
 463         2012-08-16  Walter Lee  <walt@tilera.com>
 464
 465         * config.gcc (tilegx-*-linux*): Add feedback.h.
 466         (tilepro-*-linux*): Likewise.
 467         * config/tilegx/feedback.h: New file.
 468         * config/tilepro/feedback.h: New file.
 469
 470 2012-08-08  Pavel Chupin  <pavel.v.chupin@intel.com>
 471
 472         Backport from mainline r189840 and r187586:
 473         2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>
 474
 475         * config/i386/i386.md (stack_protect_set): Disable the pattern
 476         for Android since Android libc (bionic) does not provide random
 477         value for stack protection guard at gs:0x14. Guard value
 478         will be provided from external symbol (default implementation).
 479         (stack_protect_set_<mode>): Likewise.
 480         (stack_protect_test): Likewise.
 481         (stack_protect_test_<mode>): Likewise.
 482         * gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
 483         not have Bionic by default
 484         * config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
 485         Macro OPTION_BIONIC is defined in this file and provides Bionic
 486         accessibility status
 487
 488         2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>
 489
 490         * configure.ac: Stack protector enabling for Android targets.
 491         * configure: Regenerate.
 492
 493 2012-08-13  Jakub Jelinek  <jakub@redhat.com>
 494
 495         Backported from trunk
 496         2012-07-19  Jakub Jelinek  <jakub@redhat.com>
 497
 498         PR rtl-optimization/53942
 499         * function.c (assign_parm_setup_reg): Avoid zero/sign extension
 500         directly from likely spilled non-fixed hard registers, move them
 501         to pseudo first.
 502
 503 2012-08-11  Uros Bizjak  <ubizjak@gmail.com>
 504
 505         * config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
 506         (xop_phaddubq): Ditto.
 507
 508 2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
 509
 510         Backport from mainline
 511         2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
 512                     Richard Earnshaw  <rearnsha@arm.com>
 513
 514         * target.def (vector_alignment): New target hook.
 515         * doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
 516         * doc/tm.texi: Regenerate.
 517         * targhooks.c (default_vector_alignment): New function.
 518         * targhooks.h (default_vector_alignment): Add prototype.
 519         * stor-layout.c (layout_type): Use targetm.vector_alignment.
 520         * config/arm/arm.c (arm_vector_alignment): New function.
 521         (TARGET_VECTOR_ALIGNMENT): Define.
 522
 523         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
 524         vector type alignment instead of size.
 525         * tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
 526         element type size directly instead of computing it from alignment.
 527         Fix variable naming and comment.
 528
 529 2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
 530
 531         Backport from mainline
 532         2012-08-09  Uros Bizjak  <ubizjak@gmail.com>
 533
 534         * config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
 535         (alpha_pad_function_end): ... this.  Also insert NOP between
 536         sibling call and GP load.
 537         (alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.
 538
 539 2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>
 540
 541         Backport from mainline
 542         2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
 543                     H.J. Lu  <hongjiu.lu@intel.com>
 544
 545         PR rtl-optimization/54157
 546         * combine.c (gen_lowpart_for_combine): Don't return identity
 547         for CONST or symbolic reference.
 548
 549 2012-08-06  Uros Bizjak  <ubizjak@gmail.com>
 550
 551         Backport from mainline
 552         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
 553
 554         * config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
 555         * config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
 556         split_cost argument signed.
 557         (ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
 558         (ix86_avoid_lea_for_addr): Ditto.
 559
 560         2012-07-27  Uros Bizjak  <ubizjak@gmail.com>
 561
 562         * config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
 563         the address has less than two components.
 564
 565 2012-08-02  Steve Ellcey  <sellcey@mips.com>
 566
 567         Backport from mainline
 568         2012-07-19  Steve Ellcey  <sellcey@mips.com>
 569
 570         * config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
 571         MIPS16 mode.
 572
 573 2012-08-02  Uros Bizjak  <ubizjak@gmail.com>
 574
 575         Backport from mainline
 576         2012-07-24  Uros Bizjak  <ubizjak@gmail.com>
 577
 578         PR target/53961
 579         * config/i386/i386.c (ix86_legitimate_address_p): Move check for
 580         negative constant address for TARGET_X32 ...
 581         (ix86_decompose_address): ... here.  Reject constant addresses
 582         that don't satisfy x86_64_immediate_operand predicate.
 583
 584         2012-07-23  Uros Bizjak  <ubizjak@gmail.com>
 585
 586         PR target/53961
 587         * config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
 588         * config/i386/i386.c (ix86_print_operand_address): Ditto.
 589         (ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
 590         addresses.  Prevent zero extensions of CONST_INT operands.
 591
 592         2012-07-22  Uros Bizjak  <ubizjak@gmail.com>
 593
 594         PR target/53961
 595         * config/i386/i386.md (*lea): New insn pattern.
 596         (*lea_1): Remove.
 597         (*lea<mode>_2): Ditto.
 598         (*lea_{3,4,5,6}_zext): Ditto.
 599         * config/i386/predicates.md (lea_address_operand): Do not reject
 600         zero-extended address operands.
 601         * config/i386/constraints.md (j): Remove address constraint.
 602         * config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
 603         of an address.
 604         (ix86_print_operand_address): Handle SImode subreg of an address.
 605         (ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.
 606
 607 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 608
 609         Backport from mainline
 610         2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
 611
 612         PR target/52530
 613         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
 614         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
 615         to set code to 'q'.
 616         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
 617         (*movdi_internal_rex64): Use %E operand modifier for lea.
 618         (*movsi_internal): Ditto.
 619         (*lea_1): Ditto.
 620         (*lea<mode>_2): Ditto.
 621         (*lea_{3,4,5,6}_zext): Ditto.
 622         (*tls_global_dynamic_32_gnu): Ditto.
 623         (*tls_global_dynamic_64): Ditto.
 624         (*tls_dynamic_gnu2_lea_32): Ditto.
 625         (*tls_dynamic_gnu2_lea_64): Ditto.
 626         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
 627
 628 2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 629
 630         Backport from mainline
 631         2012-08-01  Uros Bizjak  <ubizjak@gmail.com>
 632
 633         * config/i386/i386.c (ix86_address_subreg_operand): Reject
 634         stack pointer.
 635         (ix86_print_operand_address): Assert that parts.base and parts.index
 636         are non-NULL after call to simplify_subreg.
 637
 638 2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>
 639
 640         PR target/33135
 641         * config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
 642         description.
 643         * config/sh/sh.c (sh_option_override): Do not change
 644         flag_finite_math_only.  Set TARGET_IEEE to complement of
 645         flag_finite_math_only.
 646         * doc/invoke.texi (SH options): Add mno-ieee.  Correct
 647         description of mieee and mno-ieee behavior.
 648
 649 2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>
 650
 651         PR target/53877
 652         * config/i386/lzcntintrin.h (_lzcnt_u32): New.
 653         (_lzcnt_u64): Ditto.
 654
 655 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
 656
 657         Backport from mainline
 658         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
 659
 660         PR rtl-optimization/52250
 661         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
 662         to put note list into.  Unconditionally call move_bb_info.
 663         (move_bb_info): Do not assert the blocks being in the same region,
 664         just drop the note list if they are not.
 665
 666 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
 667
 668         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
 669
 670 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
 671
 672         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
 673         defining statement is a SSA name that occurs in abnormal PHIs.
 674
 675 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
 676
 677         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
 678         conversions.
 679
 680 2012-07-19  Richard Guenther  <rguenther@suse.de>
 681             Eric Botcazou  <ebotcazou@adacore.com>
 682
 683         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
 684         about transition from invariant to known bits.
 685         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
 686
 687 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
 688
 689         PR middle-end/54017
 690         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
 691         (cleanup_tree_cfg_bb): Don't call it.
 692         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
 693         handling.
 694
 695 2012-07-19  Christian Bruel  <christian.bruel@st.com>
 696
 697         PR target/54029
 698         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
 699
 700 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
 701
 702         * config.gcc (v850-*-rtems*): New target.
 703         * config/v850/rtems.h: New.
 704         * config/v850/t-rtems: New.
 705
 706 2012-07-18  Nick Clifton  <nickc@redhat.com>
 707
 708         * doc/invoke.texi (ARM Options): Document -munaligned-access.
 709
 710 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
 711
 712         PR target/53961
 713
 714         Backport from mainline
 715         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
 716
 717         PR target/53110
 718         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
 719         instead expand it as zero extension.
 720
 721 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
 722
 723         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
 724         QImode and HImode splitters.  Use ix86_comparison_operator.
 725         Explicitly match FLAGS_REG.
 726         (DFmode cmove splitter): Explicitly match FLAGS_REG.
 727
 728 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
 729             Steven Bosscher  <steven@gcc.gnu.org>
 730             Bernd Schmidt  <bernds@codesourcery.com>
 731
 732         PR rtl-optimization/53908
 733         * df-problems.c (can_move_insns_across): When doing
 734         memory-reference book-keeping, handle call insns.
 735
 736 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
 737
 738         Backport from mainline
 739         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 740
 741         PR target/53811
 742         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
 743         sibcall_insn_operand.  Move it to a temporary register if not.
 744
 745         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
 746
 747         PR target/53853
 748         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
 749         emit PIC sequence for fnaddr symbol reference in advance.
 750
 751 2012-07-09  Jason Merrill  <jason@redhat.com>
 752
 753         PR c++/53882
 754         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
 755         (type_hash_eq): Likewise.
 756
 757         PR c++/53826
 758         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
 759
 760 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
 761
 762         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
 763         due to negative shift amount.
 764
 765 2012-07-06  Kai Tietz  <ktietz@redhat.com>
 766
 767         Backport from mainline.
 768         PR bootstrap/52947
 769         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
 770         as "/mingw/include".
 771
 772 2012-07-06  Nick Clifton  <nickc@redhat.com>
 773
 774         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
 775         default_encode_section_info.
 776
 777 2012-07-06  Richard Guenther  <rguenther@suse.de>
 778
 779         Backport from mainline
 780         2012-03-30  Richard Guenther  <rguenther@suse.de>
 781
 782         PR middle-end/52786
 783         * double-int.c (rshift_double): Remove not needed cast.
 784
 785         2012-03-28  Richard Guenther  <rguenther@suse.de>
 786
 787         PR middle-end/50708
 788         * double-int.h (rshift_double): Remove.
 789         * double-int.c (lshift_double): Use absu_hwi to make count
 790         positive.
 791         (rshift_double): Make static, take unsigned count argument,
 792         remove handling of negative count argument.
 793         (double_int_rshift): Dispatch to lshift_double.
 794
 795 2012-07-06  Richard Guenther  <rguenther@suse.de>
 796
 797         Backport from mainline
 798         2012-06-18  Richard Guenther  <rguenther@suse.de>
 799
 800         PR tree-optimization/53693
 801         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
 802         Reject operands with more than one use.
 803
 804 2012-07-06  Richard Guenther  <rguenther@suse.de>
 805
 806         Backport from mainline
 807         2012-04-11  Richard Guenther  <rguenther@suse.de>
 808
 809         PR middle-end/52621
 810         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
 811         consider loop nesting.
 812         (evolution_function_is_univariate_p): Properly check the remainder
 813         for chrecs.
 814
 815 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
 816
 817         Backport from mainline
 818         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
 819
 820         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
 821         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
 822         (adjacent_mem_locations): Move some code to and call...
 823         (get_memref_parts): ...new function.
 824         (mem_locations_overlap): New function.
 825         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
 826         (is_mem_ref): Rename to...
 827         (find_mem_ref): ...this. Return MEM rtx.
 828         (get_store_dest): Remove function.
 829         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
 830         new parameter and adjust calls.
 831         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
 832         mem refs overlap for true_store_to_load_dep_costly.
 833         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
 834         passed to adjacent_mem_locations.
 835         (is_costly_group): Walk resolved dependency list.
 836         (force_new_group): Emit group ending nop for Power6/Power7.
 837         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
 838         (group_ending_nop): New define_insn.
 839
 840 2012-07-04  Richard Guenther  <rguenther@suse.de>
 841
 842         PR middle-end/53433
 843         * gimple-fold.c (get_base_constructor): Do not return an
 844         error_mark_node DECL_INITIAL.
 845
 846 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
 847
 848         Backport from mainline
 849         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
 850
 851         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
 852         code model string in the error message.
 853
 854 2012-07-04  Tristan Gingold  <gingold@adacore.com>
 855
 856         Backport from mainline.
 857         2012-06-25  Tristan Gingold  <gingold@adacore.com>
 858
 859         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
 860         (seh_cfa_adjust_cfa): ... that function.
 861         (seh_emit_stackalloc): Do not emit out of range values.
 862         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
 863         UNSPEC_DEF_CFA constants.
 864         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
 865         * config/i386/i386.c (ix86_frame_pointer_required): Required
 866         for very large frames on SEH target.
 867         (ix86_compute_frame_layout): Save area is before frame pointer
 868         on SEH target.  Handle very large frames.
 869         (ix86_expand_prologue): Likewise.
 870
 871 2012-07-04  Richard Guenther  <rguenther@suse.de>
 872
 873         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
 874         as in free_lang_data_in_type.
 875
 876 2012-07-02  Martin Jambor  <mjambor@suse.cz>
 877
 878         Backport from mainline.
 879         2012-07-02  Martin Jambor  <mjambor@suse.cz>
 880
 881         PR middle-end/38474
 882         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
 883         dynamic type change check.
 884
 885 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
 886
 887         * tree-eh.c (lower_try_finally_switch): Really put the location of the
 888         last statement of the finally block onto the switch.
 889
 890 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 891
 892         * configure: Regenerate.
 893
 894         Backport from mainline.
 895         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 896
 897         * config.gcc (target_type_format_char): New. Document it. Set it for
 898         arm*-*-* .
 899         * configure.ac (gnu_unique_option): Use target_type_format_char
 900         in test.  Comment rationale.
 901
 902 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 903
 904         Backport from mainline.
 905         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 906
 907         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
 908
 909 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
 910
 911         Backport from 2012-06-28 mainline r189049
 912
 913         PR 53595
 914         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
 915         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
 916         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
 917         avr_hard_regno_call_part_clobbered.
 918
 919 2012-06-28  Richard Guenther  <rguenther@suse.de>
 920
 921         PR middle-end/53790
 922         * expr.c (expand_expr_real_1): Verify if the type is complete
 923         before inspecting its size.
 924
 925 2012-06-27  Nick Clifton  <nickc@redhat.com>
 926
 927         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
 928         input operand.
 929
 930 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
 931
 932         PR debug/53682
 933         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
 934
 935 2012-06-26  Nick Clifton  <nickc@redhat.com>
 936
 937         * config/rx/rx.md (simple_return): Use the simple_return rtx.
 938
 939 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
 940
 941         PR target/53759
 942         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
 943         of x x x in the vmovlps load alternative.
 944
 945 2012-06-22  Richard Guenther  <rguenther@suse.de>
 946
 947         * gcov-iov.c: Include bconfig.h and system.h.
 948
 949 2012-06-22  Richard Guenther  <rguenther@suse.de>
 950
 951         PR gcov-profile/53744
 952         * gcov-iov.c (main): Treat "" and "prerelease" the same.
 953
 954 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
 955
 956         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
 957         DECL_IGNORED_P non-reg vars even if they are used.
 958
 959 2012-06-19  Jason Merrill  <jason@redhat.com>
 960
 961         PR c++/52637
 962         * dwarf2out.c (modified_type_die): Use scope_die_for.
 963         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
 964         (uses_local_type_r, uses_local_type): New.
 965         (scope_die_for): Keep a type that uses a local type in local scope.
 966         Use get_context_die for namespace and type scope.
 967
 968 2012-06-19  Richard Guenther  <rguenther@suse.de>
 969
 970         PR middle-end/53470
 971         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
 972         replace it with the first non-BLOCK context.
 973
 974 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
 975
 976         PR rtl-optimization/53700
 977
 978         Backport from mainline
 979         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
 980
 981         * ira-color.c (setup_left_conflict_sizes_p): Process all
 982         conflicting objects.
 983
 984 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
 985
 986         Backport from mainline
 987         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
 988
 989         PR target/52908
 990         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
 991         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
 992         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
 993         instead of xop_mulv2div2di3_low.
 994         (xop_p<macs>dql): Fix vec_select selector.
 995         (xop_p<macs>dqh): Ditto.
 996         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
 997         (xop_mulv2div2di3_high): Ditto.
 998
 999 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1000
1001         Backport from mainline:
1002         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
1003
1004         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
1005
1006 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1007
1008         Backport from mainline:
1009         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1010
1011         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
1012         * config/pa/pa.c (pa_attr_length_millicode_call): Use
1013         MAX_PCREL17F_OFFSET instead of fixed offset.
1014         (pa_attr_length_call): Likewise.
1015         (pa_attr_length_indirect_call): Likewise.
1016
1017 2012-06-15  Walter Lee  <walt@tilera.com>
1018
1019         Backport from mainline:
1020         2012-06-15  Walter Lee  <walt@tilera.com>
1021
1022         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
1023
1024         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
1025
1026         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
1027
1028 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
1029
1030         Backport from mainline:
1031
1032         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1033         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
1034         * gimple.h (block_in_transaction): Check for flag_tm.
1035
1036 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
1037
1038         PR tree-optimization/52558
1039
1040         Backport from mainline:
1041         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
1042         * gimple.h (gimple_set_in_transaction): Remove.
1043         (gimple_in_transaction): Look in BB instead.
1044         (gimple_statement_base): Remove in_transaction field.
1045         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
1046         * trans-mem.c (compute_transaction_bits): Place transaction bit
1047         information into basic blocks.
1048
1049         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
1050
1051         PR tree-optimization/52558
1052         * cfg.c (alloc_aux_for_edge): Fix comment.
1053         (alloc_aux_for_edge): Remove static.
1054         * basic-block.h (alloc_aux_for_edge): Protoize.
1055         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
1056         (execute_sm_if_changed_flag): New.
1057         (execute_sm_if_changed_flag_set): New.
1058         (execute_sm): Do not generate data races unless requested.
1059         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
1060         (tree_ssa_lim_finalize): Call free_aux_for_edges.
1061         * gimple.h (block_in_transaction): New.
1062         (gimple_in_transaction): Use block_in_transaction.
1063
1064 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
1065
1066         Backported from mainline
1067         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
1068
1069         PR rtl-optimization/53589
1070         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
1071         discovery even when e->dest != target.  If any LABEL_REF points
1072         to e->dest label, redirect it to target's label.
1073
1074         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
1075
1076         PR middle-end/53580
1077         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
1078         returns false, replace stmt with GIMPLE_NOP.
1079         (check_omp_nesting_restrictions): Instead of issuing warnings,
1080         issue errors and return false if any errors were reported.
1081
1082 2012-06-14  Richard Guenther  <rguenther@suse.de>
1083
1084         * BASE-VER: Set to 4.7.2.
1085         * DEV-PHASE: Set to prerelease.
1086
1087 2012-06-12  Christian Bruel  <christian.bruel@st.com>
1088
1089         PR target/53621
1090         * config/sh/sh.c (sh_option_override): Don't force
1091          flag_omit_frame_pointer and maccumulate_outgoing_args.
1092         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
1093
1094 2012-06-14  Release Manager
1095
1096         * GCC 4.7.1 released.
1097
1098 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
1101
1102 2012-06-13  Richard Henderson  <rth@redhat.com>
1103
1104         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
1105         iterator instead of INT.
1106
1107 2012-06-08  Richard Henderson  <rth@redhat.com>
1108
1109         PR c++/53602
1110         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
1111         note to a clobber insn when no other insn is available.
1112
1113 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
1114
1115         PR c++/53524
1116         * doc/invoke.texi (Wenum-compare): Update documentation.
1117
1118 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
1119
1120         PR target/53559
1121         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
1122         operands.
1123         (altivec_stvlxl): Ditto.
1124         (altivec_stvrx): Ditto.
1125         (altivec_stvrxl): Ditto.
1126
1127 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
1128
1129         PR middle-end/47530
1130         * trans-mem.c (expand_block_edges): Do not skip the first
1131         statement when resetting the BB.
1132
1133 2012-06-04  Richard Guenther  <rguenther@suse.de>
1134
1135         PR middle-end/53471
1136         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
1137         create new assembler names.
1138
1139 2012-06-04  Richard Guenther  <rguenther@suse.de>
1140
1141         Backport from mainline
1142         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1143
1144         PR middle-end/52979
1145         * stor-layout.c (get_best_mode): Don't return mode with bitsize
1146         larger than maxbits.  Don't compute maxbits modulo align.
1147         Also check that unit bytes long store at bitpos / unit * unit
1148         doesn't affect bits beyond bitregion_end.
1149         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
1150         would not fit into bitregion_start ... bitregion_end + 1 bit
1151         region.
1152         (store_split_bit_field): Decrease unit close to end of bitregion_end
1153         if access is restricted in order to avoid mutual recursion.
1154
1155 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
1156
1157         Backport from 2012-06-04 mainline r188172
1158
1159         PR target/46261
1160         * config/avr/avr-stdint.h: New file.
1161         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
1162         newlib-stdint.h
1163
1164 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
1165
1166         PR tree-optimization/53550
1167         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
1168         is POINTER_TYPE_P, use sizetype as step type instead of type.
1169
1170 2012-06-04  Richard Guenther  <rguenther@suse.de>
1171             Eric Botcazou  <ebotcazou@adacore.com>
1172
1173         Backport from mainline
1174         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
1175
1176         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
1177         Change type of BITOFFSET to signed.  Make sure the lower bound of
1178         the computed range is non-negative by adjusting OFFSET and BITPOS.
1179         (expand_assignment): Adjust call to get_bit_range.
1180
1181         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1182
1183         * expr.c (get_bit_range): Return the null range if the enclosing record
1184         is part of a larger bit field.
1185
1186         2012-03-20  Richard Guenther  <rguenther@suse.de>
1187
1188         * stor-layout.c (finish_bitfield_representative): Fallback
1189         to conservative maximum size if the padding up to the next
1190         field cannot be computed as a constant.
1191         (finish_bitfield_layout): If we cannot compute the distance
1192         between the start of the bitfield representative and the
1193         bitfield member start a new representative.
1194         * expr.c (get_bit_range): The distance between the start of
1195         the bitfield representative and the bitfield member is zero
1196         if the field offsets are not constants.
1197
1198         2012-03-16  Richard Guenther  <rguenther@suse.de>
1199
1200         * stor-layout.c (finish_bitfield_representative): Fall back
1201         to the conservative maximum size if we cannot compute the
1202         size of the tail padding.
1203
1204         2012-03-14  Richard Guenther  <rguenther@suse.de>
1205
1206         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
1207         * stor-layout.c (start_bitfield_representative): New function.
1208         (finish_bitfield_representative): Likewise.
1209         (finish_bitfield_layout): Likewise.
1210         (finish_record_layout): Call finish_bitfield_layout.
1211         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
1212         for QUAL_UNION_TYPE fields.
1213         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1214         Stream DECL_BIT_FIELD_REPRESENTATIVE.
1215         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1216
1217         PR middle-end/52080
1218         PR middle-end/52097
1219         PR middle-end/48124
1220         * expr.c (get_bit_range): Unconditionally extract bitrange
1221         from DECL_BIT_FIELD_REPRESENTATIVE.
1222         (expand_assignment): Adjust call to get_bit_range.
1223
1224 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
1225
1226         PR middle-end/53501
1227         * fold-const.c (fold_binary_loc): Refine previous change.
1228
1229 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1230
1231         Backport from mainline
1232         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
1233
1234         PR target/52667
1235         * config/sh/sh.c (find_barrier): Add equality check of last_got to
1236         avoid going above orig insn.  Update comments.
1237
1238 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1239
1240         Backport from mainline
1241         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1242
1243         PR target/52642
1244         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1245         prologue for unwinder and profiler.
1246
1247 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1248
1249         Backport from mainline
1250         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1251
1252         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1253
1254 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1255
1256         Backport from mainline
1257         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1258
1259         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1260         DBX_REGISTER_NUMBER.
1261
1262 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
1263
1264         Backport from mainline
1265         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1266
1267         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1268         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1269         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
1270         shiftcosts.
1271
1272 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
1273
1274         * config/avr/avr.opt (-msp8): Document it.
1275         * doc/invoke.texi (AVR Options): Copy from trunk docu.
1276
1277 2012-05-31  Richard Guenther  <rguenther@suse.de>
1278
1279         PR middle-end/48493
1280         * expr.c (expand_assignment): Do not use movmisalign on
1281         non-memory.
1282
1283 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1284
1285         PR target/52999
1286         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
1287         (pa_section_type_flags): New.
1288         (pa_legitimate_constant_p): Revert previous change.
1289
1290 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
1291
1292         Backport from mainline
1293         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
1294
1295         PR middle-end/53008
1296         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
1297         accessed indirectly.
1298         (ipa_tm_create_version): Same.
1299
1300 2012-05-30  Jason Merrill  <jason@redhat.com>
1301
1302         PR c++/53220
1303         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
1304         about array compound literals.
1305
1306 2012-05-30  Richard Guenther  <rguenther@suse.de>
1307
1308         PR middle-end/53501
1309         * fold-const.c (fold_binary_loc): Make sure to call
1310         fold_plusminus_mult_expr with the original sign of operands.
1311
1312 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
1313
1314         * explow.c (probe_stack_range): Restore simple control flow and stop
1315         again when the probe cannot be generated if HAVE_check_stack.
1316
1317 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR rtl-optimization/53519
1320         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
1321         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
1322
1323 2012-05-29  Richard Guenther  <rguenther@suse.de>
1324
1325         PR tree-optimization/53516
1326         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
1327         bitfield accesses.
1328         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
1329
1330 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
1331
1332         Backport from mainline
1333         2012-05-28  Richard Guenther  <rguenther@suse.de>
1334
1335         PR tree-optimization/53438
1336         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
1337
1338 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
1339
1340         Backport from mainline
1341         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1342
1343         PR rtl-optimization/52528
1344         * combine.c (can_combine_p): Add setting of subst_low_luid
1345         before call to expand_field_assignment().
1346
1347 2012-05-26  Martin Jambor  <mjambor@suse.cz>
1348
1349         Backport from mainline
1350         2012-05-23  Martin Jambor  <mjambor@suse.cz>
1351
1352         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
1353
1354 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1355
1356         PR lto/52178
1357         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
1358         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
1359
1360 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
1361
1362         PR target/53435
1363         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
1364         (ix86_expand_vec_perm): Use int mode instead of float.
1365
1366 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
1367
1368         PR ada/52362
1369         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
1370         gnu_ld variables to yes.
1371         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
1372         (HAVE_GNU_AS): Likewise.
1373         * config.in: Regenerate.
1374         * configure: Likewise.
1375
1376 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1377
1378         Backport from mainline
1379         2012-03-12  Richard Guenther  <rguenther@suse.de>
1380         * config/arm/arm.c (neon_dereference_pointer): Do not call
1381         covert during RTL expansion.
1382
1383 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1384
1385         Backport from mainline
1386         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1387
1388         PR target/53385
1389         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
1390         relied on signed overflow behavior.
1391
1392 2012-05-24  Richard Guenther  <rguenther@suse.de>
1393
1394         PR middle-end/53460
1395         * tree-profile.c (tree_profiling): Cleanup the CFG if
1396         execute_fixup_cfg requests it.
1397
1398 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
1399
1400         PR tree-optimization/53465
1401         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
1402         vr0 into *vr, then vrp_meet that.
1403         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
1404         have any equivalences.
1405         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
1406         first time.
1407
1408 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
1409
1410         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
1411         size handling.
1412         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
1413         (iterative_hash_gimple_type): Adjust comment.
1414         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
1415         domain for an array type instead of the domain type itself.
1416
1417 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
1418
1419         Backport from 2012-05-23 mainline r187803
1420
1421         PR target/53448
1422         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
1423         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
1424         ASM_OUTPUT_ALIGN.
1425
1426 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
1427
1428         Backport from 2012-05-03 mainline r187075
1429
1430         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
1431         has_fma4 for AMD processors with both fma3 and fma4 support.
1432
1433 2012-05-22  Richard Guenther  <rguenther@suse.de>
1434
1435         PR tree-optimization/53408
1436         * tree-vect-loop.c (vectorizable_induction): Properly check
1437         the restriction that we cannot handle induction results from
1438         the inner loop outside of the outer loop.
1439
1440 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
1441
1442         PR tree-optimization/53436
1443         * omp-low.c (omp_build_component_ref): New function.
1444         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
1445
1446         PR tree-optimization/53366
1447         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
1448         tests if complex_numbers == 2, but there are non-complex number loads
1449         too.
1450
1451         PR tree-optimization/53409
1452         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
1453         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
1454
1455         PR tree-optimization/53410
1456         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
1457         instead of build_int_cst (type, 0) where vector types might be
1458         involved.
1459
1460 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
1461
1462         PR c/53418
1463         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
1464         from folded operands before wrapping another around the
1465         conditional expression.
1466
1467 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
1468             Patrick Marlier  <patrick.marlier@gmail.com>
1469
1470         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
1471         indirect calls.
1472
1473 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1474
1475         Backport from mainline
1476         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1477
1478         PR target/53416
1479         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
1480         (UNSPECV_RDRAND): This.
1481         (rdrand<mode>_1): Updated.
1482
1483 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1484
1485         Backport from mainline
1486         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
1487
1488         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1489         RDRND, F16C and FSGSBASE.
1490
1491 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1492
1493         Backport from mainline
1494         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1495
1496         * tree-ssa-pre.c (can_value_number_call): Delete.
1497         (compute_avail): Skip all statements with side effects.
1498         <GIMPLE_CALL>: Skip calls to internal functions.
1499
1500 2012-05-18  David S. Miller  <davem@davemloft.net>
1501
1502         Backport r185385 from mainline
1503         2012-03-14  Richard Guenther  <rguenther@suse.de>
1504
1505         PR middle-end/52584
1506         * tree-vect-generic.c (type_for_widest_vector_mode): Take
1507         element type instead of mode, use build_vector_type_for_mode
1508         instead of the langhook, build a vector of proper signedness.
1509         (expand_vector_operations_1): Adjust.
1510
1511 2012-05-18  Olivier Hainque  <hainque@adacore.com>
1512
1513         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
1514         $(libsubdir) as libexecsubdir.
1515
1516 2012-05-16  Andrew Pinski  <apinski@cavium.com>
1517
1518         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
1519         GIMPLE_ASSIGN.
1520
1521 2012-05-16  David S. Miller  <davem@davemloft.net>
1522
1523         * jump.c (delete_related_insns): If we remove a CALL, make sure
1524         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
1525
1526 2012-05-16  Richard Henderson  <rth@redhat.com>
1527
1528         PR debug/52727
1529         * combine-stack-adj.c (prev_active_insn_bb): New.
1530         (next_active_insn_bb): New.
1531         (force_move_args_size_note): New.
1532         (combine_stack_adjustments_for_block): Use it.
1533
1534 2012-05-16  Olivier Hainque  <hainque@adacore.com>
1535
1536         * Makefile.in (install-no-fixedincludes): New target, former toplevel
1537         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
1538         Add comments and improve stamp preservation across the whole sequence.
1539         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
1540
1541 2012-05-16  Richard Guenther  <rguenther@suse.de>
1542
1543         PR tree-optimization/53364
1544         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
1545         detect a view-conversion of the decl.
1546
1547 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
1548
1549         PR target/53358
1550         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
1551         that operands[2] is either immediate, or q_regs_operand.
1552
1553 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
1554
1555         Backport r187139 from mainline.
1556         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
1557
1558         PR rtl-optimization/52804
1559         * reload1.c (reload_reg_reaches_end_p): Check whether successor
1560         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
1561         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
1562         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
1563         RELOAD_FOR_OUTADDR_ADDRESS.
1564
1565 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
1566
1567         PR target/46098
1568         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
1569         generate target register for "load" class builtins.
1570
1571         Revert:
1572         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
1573
1574         PR target/46098
1575         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
1576         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
1577         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
1578         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
1579         (<sse>_movu<ssemodesuffix>): New expander.
1580         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
1581         (avx_movdqu<avxmodesuffix>): New expander.
1582         (*sse2_movdqu): Rename from sse2_movdqu.
1583         (sse2_movdqu): New expander.
1584
1585 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
1586
1587         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
1588         lineno 1 the same as lineno 0 before first start file directive.
1589         (optimize_macinfo_range): Likewise.
1590
1591         * dwarf2out.c (have_macinfo): Define.
1592         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
1593         attribute, don't force empty compilation unit and don't emit any
1594         .debug_macinfo/.debug_macro section if macinfo_table is empty.
1595
1596 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
1597
1598         Backport from mainline
1599         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
1600
1601         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1602         ORDERED and UNORDERED conditions.
1603
1604 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
1605
1606         * function.c (requires_stack_frame_p): If the function can throw
1607         non-call exceptions, return true if the insn can throw internally.
1608
1609 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
1610
1611         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
1612         DECL_ORIGINAL_TYPE if it is present.
1613
1614 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
1615
1616         Backport from 2012-05-12 mainline r187342.
1617
1618         PR target/53256
1619         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
1620         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
1621         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
1622         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
1623         (expand_prologue): Move initialization of cfun->machine->is_naked,
1624         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
1625         (avr_set_current_function): ...this new static function.
1626         (TARGET_SET_CURRENT_FUNCTION): New define.
1627         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
1628         checking attributes of current_function_decl.
1629         (avr_regs_to_save): Ditto.
1630         (signal_function_p): Rename to avr_signal_function_p.
1631         (interrupt_function_p): Rename to avr_interrupt_function_p.
1632
1633         * doc/extend.texi (Function Attributes): Better explanation of
1634         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
1635         alphabetical order.
1636
1637 2012-05-09  Matthias Klose  <doko@ubuntu.com>
1638
1639         * gcc-ar.c (main): Don't check for execute bits for the plugin.
1640
1641 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
1642
1643         PR target/53272
1644         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
1645         when a constant source operand matches an "I" constraint, the "no
1646         CC0 change" applies to a register-destination only, not a
1647         strict_low_part-destination.
1648
1649 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1650
1651         Backport from mainline:
1652         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1653
1654         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1655
1656 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1657
1658         PR tree-optimization/53239
1659         * tree-vrp.c (get_value_range): Set VR of
1660         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1661         to nonnull.
1662
1663 2012-05-07  Richard Guenther  <rguenther@suse.de>
1664
1665         PR tree-optimization/53195
1666         * tree-inline.c (setup_one_parameter): Properly add referenced
1667         vars from the parameters new known value.
1668
1669 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1670
1671         Backport from mainline:
1672         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1673
1674         PR target/52999
1675         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1676         in constant pool.
1677
1678 2012-05-04  Ian Lance Taylor  <iant@google.com>
1679
1680         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1681         values from false to NULL.
1682
1683 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1684
1685         Backport from mainline
1686         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1687
1688         PR target/53228
1689         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1690         (TARGET_CMOV): Rename from TARGET_CMOVE.
1691         (TARGET_CMOVE): New define.
1692         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1693         Do not set TARGET_CMOVE here.
1694
1695 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1696
1697         Backport from mainline:
1698
1699         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1700
1701         PR tree-optimization/52633
1702         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1703         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1704         (vect_recog_over_widening_pattern): Remove handling of code that was
1705         already detected as over-widening pattern.  Remove special handling
1706         of "unsigned" cases.  Instead, support general case of conversion
1707         of the shift result to another type.
1708
1709         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1710
1711         * tree-vect-patterns.c (vect_single_imm_use): New function.
1712         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1713         (vect_recog_over_widening_pattern): Likewise.
1714         (vect_recog_widen_shift_pattern): Likewise.
1715
1716         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1717
1718         PR tree-optimization/52870
1719         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1720         presumed pattern statement is within the same loop or basic block.
1721
1722 2012-05-04  Richard Guenther  <rguenther@suse.de>
1723
1724         * common.opt (flto-report): Do not mark as Optimization.
1725
1726 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1727
1728         PR target/48496
1729         * recog.c (constrain_operands): If extra constraints are present, also
1730         accept pseudo-registers with equivalent memory locations during reload.
1731
1732 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1733
1734         Backport from the mainline
1735         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1736
1737         PR target/53199
1738         * config/rs6000/rs6000.md (bswapdi splitters): If
1739         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1740         default) is used, generate an alternate sequence that does not
1741         depend on using indexed addressing.
1742
1743 2012-05-03  David S. Miller  <davem@davemloft.net>
1744
1745         PR target/52684
1746         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1747         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1748         (sparc_emit_float_lib_cmp): Likewise.
1749
1750 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1751
1752         Backport from mainline
1753         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1754
1755         PR lto/52605
1756         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1757         of a variable when the contect is a function.
1758
1759 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1760
1761         PR plugins/53126
1762         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1763         append program name to it and pass that as first argument
1764         to make_relative_prefix.  Always pass standard_libexec_prefix
1765         as last argument to make_relative_prefix.  If
1766         make_relative_prefix returns NULL, fall back to
1767         standard_libexec_prefix.
1768
1769         PR debug/53174
1770         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1771         removed.
1772
1773         PR target/53187
1774         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1775         mode, return that mode.
1776
1777 2012-05-03  Richard Guenther  <rguenther@suse.de>
1778
1779         PR tree-optimization/53144
1780         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1781         Rename to ...
1782         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1783         with SSA name values.
1784         (vn_reference_lookup_3): Adjust callers.
1785
1786 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1787
1788         PR tree-optimization/53163
1789         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1790         return value from compute_all_dependences.
1791
1792         PR rtl-optimization/53160
1793         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1794         has been modified by ree pass already.
1795
1796 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1797
1798         Backport from mainline
1799         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1800
1801         PR middle-end/53136
1802         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1803         calls to cgraph_node_name in xstrdup.
1804         (ipa_make_edge_direct_to_target): Ditto.
1805         * tree-sra.c (convert_callers_for_node): Ditto.
1806         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1807         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1808         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1809         (cgraph_materialize_all_clones): Ditto.
1810         * ipa-inline.c (report_inline_failed_reason): Ditto.
1811         (want_early_inline_function_p): Ditto.
1812         (edge_badness): Ditto.
1813         (update_edge_key): Ditto.
1814         (flatten_function): Ditto.
1815         (ipa_inline): Ditto.
1816         (inline_always_inline_functions): Ditto.
1817         (early_inline_small_functions): Ditto.
1818
1819 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1820
1821         Backport from mainline
1822         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1823
1824         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1825         Introduce emul_name to select the right linker emulation for
1826         powerpc64-*-freebsd*.
1827         * configure: Regenerate.
1828         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1829         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1830         * config/rs6000/freebsd64.h: New file.
1831         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1832         POWERPC_FREEBSD.
1833         (rs6000_savres_strategy): Likewise.
1834         (rs6000_savres_routine_name): Likewise.
1835         (rs6000_elf_file_end): Likewise.
1836         * config/rs6000/t-freebsd64: New file.
1837         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1838         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1839
1840 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         Backport from mainline
1843         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1844
1845         PR target/53138
1846         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1847
1848 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1849
1850         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1851         predicate to discriminate types.
1852
1853 2012-04-27  Richard Guenther  <rguenther@suse.de>
1854
1855         PR c/51527
1856         * convert.c (convert_to_integer): Avoid infinite recursion for
1857         target-defined built-in types.
1858
1859 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1860
1861         PR target/53120
1862         * config/cris/cris.md ("*andhi_lowpart_v32")
1863         ("*andqi_lowpart_v32"): Change first input-only operand from
1864         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1865         const_int-matching constraints for redundancy.
1866         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1867         three-operand alternative.
1868
1869 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1870
1871         Backport from mainline
1872         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1873
1874         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1875         (*addsi_2_zext): Ditto.
1876         (*add<mode>_3): Ditto.
1877         (*addsi_3_zext): Ditto.
1878         (*add<mode>_5): Ditto.
1879
1880 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1881
1882         PR c/52880
1883         * c-typeck.c (set_nonincremental_init,
1884         set_nonincremental_init_from_string): Pass true instead of false
1885         as IMPLICIT to add_pending_init.
1886
1887 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1888
1889         Backport from 2012-04-24 mainline r186768.
1890
1891         PR target/53065
1892         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1893
1894 2012-04-24  Richard Guenther  <rguenther@suse.de>
1895
1896         PR tree-optimization/53085
1897         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1898         stores.
1899
1900 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1901
1902         PR middle-end/53084
1903         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1904         of MEM_REF.
1905         (output_addressed_constants): Likewise.
1906
1907         PR middle-end/52999
1908         * varasm.c (get_section): Don't ICE for section conflicts with
1909         built-in section kinds.
1910
1911 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1912
1913         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1914
1915 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1916
1917         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1918
1919 2012-04-23  Richard Guenther  <rguenther@suse.de>
1920
1921         PR c/53060
1922         * c-typeck.c (build_binary_op): Fix typo.
1923
1924 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1925
1926         PR tree-optimizations/52891
1927         * tree-vect-patterns.c (adjust_bool_pattern): Use
1928         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1929         but with non-standard precision.
1930
1931 2012-04-22  Ian Lance Taylor  <iant@google.com>
1932
1933         * godump.c (go_output_typedef): Dump size of structs.
1934
1935 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1936
1937         Backport from mainline:
1938
1939         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1940         hints for 'A' operand types.
1941
1942 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1943
1944         Backport from 2012-04-19 mainline r186588.
1945
1946         PR target/53033
1947         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1948         the case *(X+const).
1949
1950 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1953
1954 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1955
1956         PR target/53020
1957         * config/i386/sync.md (atomic_<code><mode>): Rename to
1958         atomic_<logic><mode>.
1959
1960 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         Backport from mainline
1963         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         PR target/52932
1966         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1967         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1968         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1969         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1970         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1971         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1972         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1973         gen_avx2_permvarv8sf.
1974
1975 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1976
1977         Backported from mainline
1978
1979         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1980         PR middle-end/52939
1981
1982         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1983         fold_ctor_reference returns a zero constant.
1984
1985 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1986
1987         Backported from mainline
1988         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1989
1990         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1991         and __ILP32__ for x32.
1992
1993 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1994
1995         Backport from mainline r186418.
1996
1997         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1998
1999         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
2000         parameters vuse and vuse_escaped.
2001         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
2002         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
2003         vuse1 != vuse2.
2004
2005 2012-04-13  Richard Guenther  <rguenther@suse.de>
2006
2007         PR tree-optimization/52969
2008         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
2009         the condition for the COND_EXPR and handle predicate negation
2010         by swapping the COND_EXPR arms.
2011
2012 2012-04-13  Richard Guenther  <rguenther@suse.de>
2013
2014         PR c/52862
2015         * convert.c (convert_to_pointer): Remove special-casing of
2016         zero.
2017
2018 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2019
2020         Backport from mainline
2021         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2022
2023         PR target/52775
2024         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
2025         the list of options to enable the FCFID instruction.
2026         (TARGET_EXTRA_BUILTINS): Adjust comment.
2027
2028 2012-04-12  Richard Guenther  <rguenther@suse.de>
2029
2030         PR tree-optimization/52943
2031         * tree-chrec.h (chrec_is_positive): Remove.
2032         * tree-scalar-evolution.c (chrec_is_positive): Move ...
2033         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
2034         Return false for a constant zero instead of negative.
2035         (analyze_siv_subscript_cst_affine): Handle zero difference
2036         in the initial condition explicitely.
2037
2038 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2039
2040         PR middle-end/52894
2041         * varasm.c (process_pending_assemble_externals): Set
2042         pending_assemble_externals_processed true.
2043         (assemble_external): Call assemble_external_real if the pending
2044         assemble externals have been processed.
2045
2046 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2047
2048         PR target/52717
2049         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
2050         the DECL generated for the special GOT helper.
2051
2052 2012-04-06  Walter Lee  <walt@tilera.com>
2053
2054         Backport from mainline
2055         2012-03-07  Walter Lee  <walt@tilera.com>
2056
2057         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2058         REG_CFA_* notes for the stack pointer.
2059         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2060         EH_RETURN_STACKADJ_RTX.
2061         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2062         generate REG_CFA_* notes for the stack pointer.
2063         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2064         by EH_RETURN_STACKADJ_RTX.
2065
2066 2012-04-06  Matt Turner  <mattst88@gmail.com>
2067
2068         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
2069
2070 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2071
2072         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
2073         of the destination isn't also a FP_REGS register.
2074
2075 2012-04-03  Richard Guenther  <rguenther@suse.de>
2076
2077         Backport from mainline
2078         2012-03-02  Richard Guenther  <rguenther@suse.de>
2079
2080         PR tree-optimization/52406
2081         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
2082         (struct indices): Add unconstrained_base member.
2083         (struct dr_alias): Remove unused vops member.
2084         (DR_UNCONSTRAINED_BASE): New define.
2085         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
2086         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
2087         be an artificial access that covers the whole indexed object,
2088         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
2089         plain decl base-objects to their MEM_REF variant.
2090         (dr_may_alias_p): When the base-object of either data reference
2091         has unknown size use only points-to information.
2092         (compute_affine_dependence): Make dumps easier to read and
2093         more verbose.
2094         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
2095         DR_REF when looking for packed references.
2096         (vect_supportable_dr_alignment): Likewise.
2097
2098 2012-04-03  Richard Guenther  <rguenther@suse.de>
2099
2100         Backport from mainline
2101         2012-03-15  Richard Guenther  <rguenther@suse.de>
2102
2103         PR middle-end/52580
2104         * tree-data-ref.c (subscript_dependence_tester_1): Check
2105         all dimensions for non-conflicting access functions.
2106
2107 2012-04-03  Richard Guenther  <rguenther@suse.de>
2108
2109         Backport from mainline
2110         2012-03-06  Richard Guenther  <rguenther@suse.de>
2111
2112         PR middle-end/52493
2113         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
2114
2115         2012-03-23  Richard Guenther  <rguenther@suse.de>
2116
2117         PR tree-optimization/52678
2118         * tree-vectorizer.h (struct _stmt_vec_info): Add
2119         loop_phi_evolution_part member.
2120         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
2121         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
2122         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
2123         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
2124         Use the cached evolution part and the PHI nodes value from
2125         the loop preheader edge instead of re-analyzing the evolution.
2126
2127         2012-03-26  Richard Guenther  <rguenther@suse.de>
2128
2129         PR tree-optimization/52701
2130         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
2131         compute and set the evolution part of PHI nodes.
2132
2133         2012-03-30  Richard Guenther  <rguenther@suse.de>
2134
2135         PR tree-optimization/52754
2136         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2137         propagate arbitrary addresses into really plain dereferences.
2138
2139 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
2140
2141         PR tree-optimization/52835
2142         * tree-data-ref.c (build_rdg): Return NULL if
2143         compute_data_dependences_for_loop failed.
2144
2145 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
2146
2147         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
2148         (stmt_can_make_abnormal_goto): Use it.
2149         (is_ctrl_altering_stmt): Likewise.
2150
2151 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2152
2153         Backported from mainline
2154         2012-03-30  Martin Jambor  <mjambor@suse.cz>
2155
2156         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
2157         is a builtin_stack_save in a dominating BB.
2158
2159 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
2162         crossing 128bit lane boundary.
2163
2164 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
2165
2166         Backported from mainline
2167         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
2168
2169         PR target/52698
2170         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
2171         New prototype.
2172         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
2173         * config/i386/i386.c: Include reload.h.
2174         (ix86_legitimize_reload_address): New function.
2175
2176 2012-03-28  Martin Jambor  <mjambor@suse.cz>
2177
2178         Backported from mainline
2179         2012-03-27  Martin Jambor  <mjambor@suse.cz>
2180
2181         PR middle-end/52693
2182         * tree-sra.c (sra_modify_assign): Do not call
2183         load_assign_lhs_subreplacements when working with an unscalarizable
2184         region.
2185
2186 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2187
2188         PR middle-end/52691
2189         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
2190         __builtin_va_start to __builtin_next_arg if the latter is
2191         builtin_decl_explicit_p rather than when it is not.
2192
2193         PR middle-end/52750
2194         * tree-vect-generic.c (vector_element): Perform multiplication
2195         for pos in bitsizetype type instead of idx type.
2196
2197 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2198
2199         Backport from 2012-03-28 mainline r185910.
2200
2201         PR target/52692
2202         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
2203         (avr_builtin_decl): New static function.
2204         (struct avr_builtin_description, avr_bdesc): Move up.
2205         Add GTY marker. Add field fndecl. Remove redundant field id.
2206         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
2207         (avr_expand_builtin): Code cleanup because .id is removed.
2208
2209 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2210
2211         PR middle-end/51893
2212         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
2213         targets.
2214
2215 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
2216
2217         Backport from 2012-03-28 mainline r185907.
2218
2219         PR target/52737
2220         * config.gcc (tm_file): Remove avr/multilib.h.
2221
2222         * doc/invoke.texi (AVR Options): Adjust
2223         documentation of -mtiny-stack.
2224
2225         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
2226         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
2227         * config/avr/t-avr: Remove generation of multilib.h.
2228         * config/avr/t-multilib: Regenerate.
2229         * config/avr/multilib.h: Remove.
2230         * config/avr/avr.opt (-msp8): New option.
2231         (avr_sp8): New variable.
2232         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
2233         * config/avr/avr.h (AVR_HAVE_SPH): New define.
2234         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
2235         (avr_device_to_sp8): New prototype.
2236         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
2237         (DRIVER_SELF_SPECS): New define.
2238         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
2239         __AVR_SP8__, __AVR_HAVE_SPH__.
2240         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
2241         AVR_HAVE_8BIT_SP to decide if SP_H is present.
2242         (avr_file_start): Ditto.
2243
2244 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
2245
2246         PR target/52736
2247         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
2248         instead of 8 in adjust_address.
2249
2250 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
2251
2252         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
2253         of a unit before computing the offset in units.
2254
2255 2012-03-27  Richard Guenther  <rguenther@suse.de>
2256
2257         PR middle-end/52720
2258         * fold-const.c (try_move_mult_to_index): Handle &x.array more
2259         explicitely.
2260
2261 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
2262
2263         PR target/52610
2264         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
2265
2266 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
2267
2268         PR middle-end/52640
2269         * varasm.c: Include pointer-set.h.
2270         (pending_assemble_externals_set): New pointer set.
2271         (process_pending_assemble_externals): Destroy the pointer set.
2272         (assemble_external): See if decl is in pending_assemble_externals_set,
2273         and add it to pending_assemble_externals if necessary.
2274         (init_varasm_once): Allocate pending_assemble_externals_set.
2275
2276 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2277
2278         Backported from mainline
2279         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
2280
2281         PR target/50310
2282         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
2283         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
2284         (vector_ltgt<mode>): Likewise.
2285         (vector_ordered<mode>): Likewise.
2286         (vector_unordered<mode>): Likewise.
2287         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
2288
2289 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
2290
2291         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
2292         Make static.
2293
2294 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2295
2296         Backported from mainline
2297         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
2298
2299         PR target/48596
2300         PR target/48806
2301         * config/sh/sh.c (sh_register_move_cost): Increase cost between
2302         GENERAL_REGS and FP_REGS for SImode.
2303
2304 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR middle-end/52547
2307         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
2308         on any new_local_var_chain vars declared during recursing on
2309         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
2310
2311 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2312
2313         Backport from 2012-03-22 mainline r185692.
2314
2315         PR target/52496
2316         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
2317         (unspecv): Add UNSPECV_MEMORY_BARRIER.
2318         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
2319         (delay_cycles_1, delay_cycles_2): Ditto.
2320         (delay_cycles_3, delay_cycles_4): Ditto.
2321         (nopv, *nopv): Ditto.
2322         (sleep, *sleep): Ditto.
2323         (wdr, *wdr): Ditto.
2324
2325         Backport from 2012-03-21 mainline r185605.
2326
2327         PR rtl-optimization/52543
2328         PR target/52461
2329         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
2330         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
2331         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
2332         (avr_load_libgcc_p): Restrict to __flash loads.
2333         (avr_out_lpm): Only handle 1-byte loads from __flash.
2334         (avr_load_lpm): New function.
2335         (avr_find_unused_d_reg): Remove.
2336         (avr_out_lpm_no_lpmx): Remove.
2337         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
2338         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
2339         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
2340         (load_<mode>, load_<mode>_clobber): New insns.
2341         (mov<mode>): For multi-byte move from non-generic
2342         16-bit address spaces: Expand to load_<mode> resp.
2343         load_<mode>_clobber.
2344         (load<mode>_libgcc): Remove expander.
2345         (split-lpmx): Remove split.
2346
2347         Backport from 2012-03-13 mainline r185329.
2348
2349         PR target/52488
2350         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2351         offset (size) to a value the insns can deal with.
2352         (expand_epilogue): Ditto.
2353
2354         Backport from 2012-03-12 mainline r185256.
2355
2356         PR target/52499
2357         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2358         type from reg_class_t to enum reg_class.
2359         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2360
2361         Backport from 2012-03-12 mainline r185253.
2362
2363         PR target/52148
2364         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2365         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2366         r184615 from 2012-02-28.
2367
2368         Backport from 2012-03-08 mainline r185105.
2369
2370         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2371         for constants in [-63,63].
2372
2373         Backport from 2012-03-08 mainline r185100.
2374
2375         PR target/52496
2376         * config/avr/avr.c (avr_mem_clobber): New static function.
2377         (avr_expand_delay_cycles): Add memory clobber operand to
2378         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2379         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2380         (enable_interrupt, disable_interrupt): New expander.
2381         (nopv, sleep, wdr): New expanders.
2382         (delay_cycles_1): Add memory clobber.
2383         (delay_cycles_2): Add memory clobber.
2384         (delay_cycles_3): Add memory clobber.
2385         (delay_cycles_4): Add memory clobber.
2386         (cli_sei): New insn from former "enable_interrupt",
2387         "disable_interrupt" with memory clobber.
2388         (*wdt): New insn from former "wdt" with memory clobber.
2389         (*nopv): Similar, but for "nopv".
2390         (*sleep): Similar, but for "sleep".
2391
2392         Backport from 2012-03-07 mainline r185043.
2393
2394         PR target/52484
2395         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2396
2397         Backport from 2012-03-07 mainline r185032.
2398
2399         PR target/52506
2400         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
2401         to: RAMPZ, RAMPY, RAMPX, RAMPD.
2402         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
2403
2404         Backport from 2012-03-07 mainline r185031.
2405
2406         PR target/52505
2407         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
2408         from RAM.
2409         * config/avr/avr.md (xload_8): Adjust insn length.
2410
2411         Backport from 2012-03-07 mainline r185030.
2412
2413         PR target/52461
2414         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
2415         if RAMPZ affects reading from RAM.
2416
2417         Backport from 2012-03-05 mainline r184919.
2418
2419         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
2420
2421 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
2422
2423         Backport from mainline r185259.
2424
2425         PR other/52545
2426         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2427         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2428
2429 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
2430
2431         Backported from mainline
2432         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR c/52577
2435         * c-parser.c (c_parser_postfix_expression)
2436         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2437
2438         * config/i386/smmintrin.h: Avoid /* within a comment.
2439         * config/i386/nmmintrin.h: Likewise.
2440
2441 2012-03-22  Richard Guenther  <rguenther@suse.de>
2442
2443         * BASE-VER: Set to 4.7.1.
2444         * DEV-PHASE: Set to prerelease.
2445
2446 2012-03-22  Release Manager
2447
2448         * GCC 4.7.0 released.
2449
2450 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2451
2452         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
2453
2454 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
2455             Andrew Pinski  <apinski@cavium.com>
2456
2457         PR middle-end/52592
2458         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2459         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2460         calls instead of __builtin_ir{int,ound}*.
2461
2462 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
2463
2464         PR c++/52582
2465         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
2466         if c_node is NULL.
2467
2468 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
2469
2470         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
2471         Refer to GCC 4.7 version of c99status.html.
2472
2473 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2474
2475         Backport from mainline
2476         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2477
2478         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2479         redefine to be NULL if the current bit-size is different from the
2480         configured bit-size.
2481
2482         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2483         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2484         set the default tuning.  Add asserts to make sure the cpu and tune
2485         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
2486         test whether the index is set, instead of > 0.
2487         (rs6000_file_start): Do not reset the default cpu if the current
2488         bit-size is different from the configured bit-size.
2489
2490 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2491
2492         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2493         binutils reference.
2494         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2495         Update binutils references.
2496         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2497         Update binutils reference.
2498         Update Sun as/GNU ld caveat.
2499         Document binutils largefile requirement for LTO plugin.
2500         Remove reference to alternate libpthread.
2501
2502 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2503
2504         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
2505         reference.
2506         (Specific, mips-sgi-irix6): Likewise.
2507
2508 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2509
2510         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2511         * configure: Regenerate.
2512
2513 2012-03-07  Richard Henderson  <rth@redhat.com>
2514
2515         * config/m68k/m68k.h (ISA_HAS_TAS): New.
2516         * config/m68k/sync.md (atomic_test_and_set): Use it.
2517         (atomic_test_and_set_1): Likewise.
2518
2519 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
2520
2521         PR target/51417
2522         * Makefile.in: Let install-gcc-ar depend on installdirs,
2523         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
2524         Don't double canonicalize if cross-compiling.
2525
2526 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2527
2528         * trans-mem.c: New typedef for tm_region_p.
2529         Define vector types for tm_region_p.
2530         (tm_region_init): Replace region_worklist to a vector called
2531         bb_regions.
2532
2533 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
2534
2535         PR middle-end/52463
2536         * trans-mem.c (tm_region_init): Use last_basic_block.
2537
2538 2012-03-05  Richard Henderson  <rth@redhat.com>
2539
2540         PR tree-opt/52242
2541         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
2542         * omp-low.c (expand_omp_atomic): Assume anything aligned to
2543         BIGGEST_ALIGNMENT is aligned.
2544
2545 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
2546
2547         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
2548
2549 2012-03-05  Richard Henderson  <rth@redhat.com>
2550
2551         PR target/52481
2552         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
2553         instead of calling negqi2 directly.
2554
2555 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2556
2557         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
2558         (INTMAX_TYPE): Use it.
2559         (UINTMAX_TYPE): Likewise.
2560         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2561         (irix6_c_common_override_options): Declare.
2562         (C_COMMON_OVERRIDE_OPTIONS): Define.
2563         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
2564         * config/mips/irix6-c.c: New file.
2565         * config/mips/t-irix6 (irix6-c.o): New target.
2566         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
2567         cxx_target_objs.
2568
2569 2012-03-02  Richard Henderson  <rth@redhat.com>
2570
2571         * optabs.c (expand_atomic_test_and_set): Honor
2572         atomic_test_and_set_trueval even when atomic_test_and_set
2573         optab is not in use.
2574
2575 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2576
2577         Backport from mainline
2578         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
2579
2580         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
2581
2582 2012-03-02  Richard Guenther  <rguenther@suse.de>
2583
2584         * DEV-PHASE: Set to prerelease.
2585
2586 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
2587
2588         * config.gcc (obsolete): Add all ARM targets using the FPA.
2589         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
2590         * doc/install.texi: Avoid references to obsolete ARM ports.
2591
2592 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
2593
2594         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
2595
2596 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
2597             Joern Rennecke  <joern.rennecke@embecosm.com>
2598
2599         * doc/extend.texi: Expand and update information on interrupt
2600         attribute for Epiphany.
2601
2602 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2603
2604         * config/sh/sh-protos.h: Update copyright notice dates.
2605         * config/sh/sh.h: Likewise.
2606         * config/sh/sh.md: Likewise.
2607         * config/sh/constraints.md: Likewise.
2608         * config/sh/predicates.md: Likewise.
2609
2610 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2611
2612         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
2613         * config/sh/sh.c (tertiary_reload_operand): Likewise.
2614
2615 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
2616
2617         * config/sh/constraints.md: Fix comment typo.
2618
2619 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2620
2621         PR target/52408
2622         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2623         unsigned HOST_WIDE_INT.
2624         (zvdep_imm64): Likewise.
2625         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2626         (vdepi_and): Likewise.
2627         Likewise for unamed 64-bit patterns.
2628         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2629
2630 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2631
2632         PR debug/52001
2633         PR rtl-optimization/52417
2634         * cselib.c (cselib_any_perm_equivs): New variable.
2635         (cselib_reset_table): Check that it's not set when not
2636         preserving constants.
2637         (cselib_add_permanent_equiv): Set it.
2638         (cselib_have_permanent_equivalences): New.
2639         (cselib_init, cselib_finish): Reset it.
2640         * cselib.h (cselib_have_permanent_equivalences): Declare.
2641         * alias.c (get_addr): Restore earlier behavior when there
2642         aren't permanent equivalences.
2643
2644 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2645
2646         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2647         * config/v850/v850-modes.def: Fix copyright notice.
2648
2649 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2650
2651         * doc/extend.texi (AVR Built-in Functions): Document
2652         __builtin_avr_flash_segment.
2653
2654         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2655         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2656         (*split.flash_segment): New insn-and-split.
2657         * config/avr/avr.c (avr_init_builtins): Add local variables:
2658         const_memx_void_node, const_memx_ptr_type_node,
2659         char_ftype_const_memx_ptr.
2660
2661 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2662
2663         PR tree-optimization/52445
2664         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2665         add ssa_name_ver, offset and size fields and change store field
2666         to bool.
2667         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2668         (add_or_mark_expr): Likewise.  Only consider previous stores
2669         with the same size and offset.
2670         (nt_init_block): Only look at gimple_assign_single_p stmts,
2671         doesn't look at rhs2.
2672
2673 2012-03-01  Richard Guenther  <rguenther@suse.de>
2674
2675         PR middle-end/52443
2676         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2677         conversions from integral types to pointer types.
2678
2679 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2680
2681         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2682         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2683         unintentionally removed in r184616.
2684
2685 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2686
2687         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2688         3DNow from bdver1.
2689
2690 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2691             Uros Bizjak  <ubizjak@gmail.com>
2692
2693         PR target/52437
2694         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2695         alternatives, add "e" constraint to the new last alternative
2696         and ! to last 3 alternatives.
2697
2698 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2699
2700         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2701         DW_AT_artificial attributes at the end of the processing.
2702         (gen_array_type_die): Likewise.
2703         (gen_enumeration_type_die): Likewise.
2704         (gen_struct_or_union_type_die): Likewise.
2705         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2706         the parent type.
2707
2708 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR middle-end/52419
2711         * expr.c (expand_assignment): If doing misaligned store that doesn't
2712         cover all mode bits, perform a RMW cycle.
2713
2714         PR tree-optimization/52429
2715         * tree-parloops.c (separate_decls_in_region_debug): Return early
2716         if var is LABEL_DECL.
2717
2718 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2719
2720         PR tree-optimization/52424
2721         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2722         calling dom_thread_across_edge.
2723
2724 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2725
2726         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2727
2728 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2729
2730         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2731         * config/avr/avr.c (avr_output_bld): Remove unused function.
2732         (avr_out_sbxx_branch): Use "%T" to print bit position.
2733
2734 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2735
2736         * config/avr/avr.md: Untabify.
2737
2738 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2739
2740         * config/avr/avr.md (eqne): New code iterator.
2741         (*dec-and-branchsi): Use it in text peephole's condition.
2742         (*dec-and-branchhi): Ditto.
2743         (*dec-and-branchqi): Ditto.
2744
2745 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2746
2747         PR target/49939
2748         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2749         the device does not have the skip-bug.
2750
2751 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2752
2753         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2754         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2755         -mpretend-cmove): New.
2756
2757 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2758
2759         PR bootstrap/52397
2760         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2761         doesn't count DEBUG_INSN refs.
2762         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2763         for DEBUG_INSN refs.
2764
2765 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2766
2767         Partially revert:
2768
2769         2012-02-20  Richard Guenther  <rguenther@suse.de>
2770         PR tree-optimization/52298
2771         * tree-vect-stmts.c (vectorizable_load): Properly use
2772         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2773         outer loops.
2774
2775 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2776
2777         PR middle-end/51752
2778         * gimple.h (gimple_in_transaction): New.
2779         (gimple_set_in_transaction): New.
2780         (struct gimple_statement_base): Add in_transaction field.
2781         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2782         transaction loads.
2783         (tree_ssa_lim_initialize): Compute transaction bits.
2784         * tree.h (compute_transaction_bits): Protoize.
2785         * trans-mem.c (tm_region_init): Use the heap to store BB
2786         auxilliary data.
2787         (compute_transaction_bits): New.
2788
2789 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2790
2791         * gcc.c (display_help): Document --help=common and sort entries
2792         alphabetically.
2793
2794 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2795
2796         * doc/install.texi: Document check-$LANG specific shortcuts
2797
2798 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2799
2800         PR target/51534
2801         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2802         and vcgtu.
2803         * config/arm/arm_neon.h: Regenerate.
2804         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2805         (neon_vcgeu): New insn.
2806         (neon_vcgtu): Likewise.
2807         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2808         (ops): Unsigned comparison intrinsics call a different
2809         builtin.
2810
2811 2012-02-28  Richard Guenther  <rguenther@suse.de>
2812
2813         PR target/52407
2814         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2815         ordering for the VEC_CONCAT for two element vectors for
2816         V2SFmode, V2SImode and V2DImode.
2817
2818 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2819
2820         PR target/49448
2821         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2822         detecting big-endian triplets.
2823
2824 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2825
2826         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2827         mode if there is no type information available.
2828
2829 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2830
2831         PR tree-optimization/53207
2832         * doc/invoke.texi: Document as experimental and relying on graphite.
2833
2834 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2835
2836         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2837         of initializer to changes from r184614.
2838
2839 2012-02-28  Richard Guenther  <rguenther@suse.de>
2840
2841         PR tree-optimization/52395
2842         * tree-sra.c (build_ref_for_offset): Also look at the base
2843         TYPE_ALIGN when figuring out the alignment of the replacement.
2844
2845 2012-02-28  Richard Guenther  <rguenther@suse.de>
2846
2847         PR tree-optimization/52402
2848         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2849         mis-aligned types when creating the accesses at the call site.
2850
2851 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2852
2853         * config/avr/builtins.def: New file.
2854         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2855         * config/avr/avr.c (enum avr_builtin_id): Use it.
2856         (avr_init_builtins): Use it. And use avr_bdesc.
2857         (bdesc_1arg): Remove.
2858         (bdesc_2arg): Remove.
2859         (bdesc_3arg): Remove.
2860         (struct avr_builtin_description): Add field n_args.
2861         (avr_bdesc): New static variable using builtins.def.
2862         (avr_expand_builtin): Use it.
2863         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2864         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2865         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2866
2867 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2868
2869         PR target/52148
2870         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2871         match only one single hard register with respective hard reg rtx.
2872         (movmemx_<mode>): Ditto.
2873         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2874         insn anatomy of movmem[x]_<mode>.
2875         (avr_out_movmem): Same for printing assembler and operand usage.
2876
2877 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2878
2879         PR target/49868
2880         PR target/52261
2881         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2882         address spaces located outside of device flash.
2883
2884         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2885         (mcu_type_s): Add field n_flash.
2886         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2887         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2888         (AVR_MCU): Add N_FLASH argument.
2889         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2890         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2891         macro __FLASH<n> if that address space makes sense for the device.
2892         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2893         outside of target flash.
2894         (avr_asm_named_section): Ditto.
2895         (avr_asm_select_section): Ditto.
2896         (avr_addr_space_convert): Ditto.
2897         (avr_emit_movmemhi): Ditto.
2898         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2899         address space is outside of device flash.
2900         (avr_insert_attributes): Ditto.
2901         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2902         avr_current_arch->n_segments.
2903
2904 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2905
2906         PR target/52352
2907         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2908         TARGET_LP64.
2909         (*movabs<mode>_2): Likewise.
2910
2911 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2912
2913         PR target/52375
2914         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2915         s_register_operand in the test instead of REG_P.  Don't call
2916         gen_reg_rtx if it won't be used.
2917
2918         PR tree-optimization/52376
2919         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2920
2921 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2922
2923         * ifcvt.c (noce_get_condition): Check condition variable is not
2924         small_register_classes_for_mode_p before accepting.
2925
2926 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2927
2928         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2929
2930 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2931
2932         Revert:
2933         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2934         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2935         tuning parameters.
2936         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2937
2938 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2939
2940         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2941
2942 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2943
2944         * config/sh/predicates.md: Remove blank lines.
2945         * config/sh/sh.c: Fix typos in comments.
2946         * config/sh/constraints.md: Likewise.
2947         * config/sh/sh.md: Remove blank lines.
2948         Fix typos in comments.  Use ;; as comment characters.
2949
2950 2012-02-26  Walter Lee  <walt@tilera.com>
2951
2952         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2953         (replace_mov_pcrel_step2): Ditto.
2954
2955 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2956
2957         PR debug/52001
2958         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2959         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2960         and locs that reference values newer than the non-canonical value
2961         at hand.  Return the canonical value as a worst case.
2962         (memrefs_conflict_p): Walk canonical value's locs.
2963
2964         PR debug/52001
2965         * cselib.c (preserve_only_constants): Rename to...
2966         (preserve_constants_and_equivs): ... this.  Split out...
2967         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2968         of other preserved expressions too.
2969         (cselib_reset_table): Adjust.
2970         * var-tracking.c (reverse_op): Use canonical value to build
2971         reverse operation.
2972
2973 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2974
2975         * config/i386/i386.c (ix86_delegitimize_address): Handle
2976         UNSPEC_PCREL plus displacement.
2977
2978 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2979
2980         PR target/52261
2981         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2982         to test for unusedness in st X addressing.
2983
2984 2012-02-24  Richard Guenther  <rguenther@suse.de>
2985
2986         PR middle-end/52361
2987         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2988         (is_gimple_reg_type): Move inline ...
2989         * gimple.h (is_gimple_reg_type): ... here.
2990
2991 2012-02-24  Richard Guenther  <rguenther@suse.de>
2992
2993         PR middle-end/52361
2994         * passes.c (execute_function_todo): When verifying SSA form
2995         verify gimple form first.
2996         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2997
2998 2012-02-24  Richard Guenther  <rguenther@suse.de>
2999
3000         PR middle-end/52355
3001         * fold-const.c (fold_addr_of_array_ref_difference): New function.
3002         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3003
3004 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3005
3006         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3007
3008 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3009
3010         * tree-phinodes.c (make_phi_node): Mark static.
3011         * tree-flow.h (make_phi_node): Remove extern decl.
3012         * doc/gimple.texi (make_phi_node): Remove documentation.
3013
3014 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3015
3016         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3017         * tree-ssa-sccvn.c (print_scc): Ditto.
3018
3019 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3020
3021         * doc/passes.texi (Full redundancy elimination): Fix typo.
3022
3023 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
3024
3025         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3026
3027 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
3028
3029         PR bootstrap/52287
3030         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3031
3032 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
3033
3034         PR c/52290
3035         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3036
3037 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
3038
3039         * config/avr/avr.md (code_stdname): Add ior, xor.
3040         (xior): New code iterator.
3041         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3042         (*<code_stdname><mode>qi.byte1-3): Ditto.
3043
3044 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR tree-optimization/52019
3047         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3048         CLOBBER stmts.
3049
3050 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3051
3052         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3053         HAVE_INITFINI_ARRAY to work around namespace pollution in
3054         certain versions of newlib system headers.
3055         * config.in: Regenerate.
3056         * configure: Regenerate.
3057         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3058         instead of HAVE_INITFINI_ARRAY.
3059
3060 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
3061
3062         PR target/52330
3063         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3064         is not offsettable memory reference.
3065
3066 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3067
3068         PR target/18145
3069         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3070         setting avr_need_clear_bss_p for __gnu_lto* symbols.
3071
3072 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3073
3074         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3075         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3076
3077 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3078
3079         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3080         library on Solaris 8 even without TLS support.
3081         * configure: Regenerate.
3082
3083 2012-02-22  Richard Guenther  <rguenther@suse.de>
3084
3085         PR middle-end/52329
3086         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3087         for GIMPLE_DEBUG stmts.
3088
3089 2012-02-22  Martin Jambor  <mjambor@suse.cz>
3090
3091         PR middle-end/51782
3092         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3093         according to the base object.
3094
3095 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
3096
3097         PR rtl-optimization/50063
3098         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3099         and 2 (8-bit SP) in operand 2.
3100         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
3101         setup to use movhi_sp_r instead of vanilla move to write SP.
3102         Adjust REG_CFA notes to superseed unspec.
3103         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
3104         of vanilla move.
3105         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
3106         known to be off) only with TARGET_NO_INTERRUPTS. Never use
3107         irq_state 1 (IRQ known to be on) here.
3108
3109 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
3110
3111         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
3112         WORDS_BIG_ENDIAN.
3113         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
3114         assign_hard_reg): Likewise.
3115
3116 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3117
3118         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
3119
3120 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3121
3122         * config/avr/avr.md
3123         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
3124         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
3125
3126 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
3127
3128         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
3129         prototype from here to...
3130         * config/avr/avr.h: ...here.
3131
3132 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
3133
3134         PR target/52294
3135         * thumb2.md (thumb2_shiftsi3_short): Split register and
3136         immediate shifts.  For register shifts tie operands 0 and 1.
3137         (peephole2 for above): Check that register-controlled shifts
3138         have suitably tied operands.
3139
3140 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
3141
3142         PR target/52137
3143         * config/i386/bdver1.md (bdver1_call, bdver1_push,
3144         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
3145         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
3146         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
3147         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
3148         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
3149         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
3150         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
3151         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
3152         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
3153         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
3154         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
3155         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
3156         bdver1_ssevector_avx256_unaligned_load,
3157         bdver1_ssevector_sse128_unaligned_load,
3158         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
3159         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
3160         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
3161         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
3162         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
3163         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
3164         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
3165         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
3166         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
3167         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
3168         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
3169         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
3170         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
3171         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
3172         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
3173         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
3174         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
3175         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
3176         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
3177         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
3178         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
3179         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
3180         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
3181         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
3182         bdver1_ssediv_double_load, bdver1_ssediv_double,
3183         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
3184         Add "bdver2" attribute.
3185
3186 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3187
3188         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
3189         default if possible and not specified otherwise.
3190
3191 2012-02-21  Richard Guenther  <rguenther@suse.de>
3192
3193         PR middle-end/52314
3194         * gimplify.c (create_tmp_from_val): Use the main variant type
3195         for the type of the temporary we create.
3196
3197 2012-02-21  Richard Guenther  <rguenther@suse.de>
3198
3199         PR tree-optimization/52324
3200         * gimplify.c (gimplify_expr): When re-gimplifying expressions
3201         do not gimplify a MEM_REF address operand if it is already
3202         in suitable form.
3203
3204 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3205
3206         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
3207         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
3208
3209 2012-02-21  Richard Guenther  <rguenther@suse.de>
3210
3211         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
3212         nested_in_vect_loop.
3213
3214 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
3215
3216         PR tree-optimization/52318
3217         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
3218         vdef also to non-pure/const call stmts in the sequence.
3219
3220 2012-02-20  David S. Miller  <davem@davemloft.net>
3221
3222         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
3223         don't use the "rd %pc" instruction on v9 for PIC register loads.
3224
3225 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
3226
3227         PR middle-end/52141
3228         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
3229         in a transaction safe function.
3230
3231 2012-02-20  Kai Tietz  <ktietz@redhat.com>
3232
3233         PR target/52238
3234         * stor-layout.c (place_field): Handle desired_align for
3235         ms-bitfields, too.
3236
3237 2012-02-20  Richard Guenther  <rguenther@suse.de>
3238
3239         PR tree-optimization/52298
3240         * tree-vect-stmts.c (vectorizable_store): Properly use
3241         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3242         outer loops.
3243         (vectorizable_load): Likewise.
3244         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
3245         Access DR_STEP after ensuring it is not NULL.
3246
3247 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
3248
3249         PR tree-optimization/52286
3250         * fold-const.c (fold_binary_loc): For (X & C1) | C2
3251         optimization use double_int_to_tree instead of build_int_cst_wide,
3252         rewrite to use double_int vars.
3253
3254 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3255
3256         PR target/50166
3257         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
3258         Define _start.
3259         Remove -e 0 from $gcc_cv_ld invocation.
3260         Only use __GLIBC_PREREQ if defined.
3261         Enable on Solaris since Solaris 8 patch.
3262         (gcc_SUN_LD_VERSION): New macro.
3263         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
3264         gcc_SUN_LD_VERSION for version number format.
3265         * configure: Regenerate.
3266         * varasm.c (get_elf_initfini_array_priority_section): Set
3267         SECTION_NOTYPE for non-default priority.
3268         Use get_section instead of get_unnamed_section to emit
3269         .init_array/.fini_array with default priority.
3270
3271 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3272
3273         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
3274         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
3275         (mips_start_unique_function, mips_output_mips16_rdhwr)
3276         (mips_code_end): New functions.
3277         (TARGET_ASM_CODE_END): Define.
3278
3279 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
3280
3281         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
3282         to stubs with non-sibling calls.
3283
3284 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
3285
3286         * doc/invoke.texi (-fira-* options): Copy-edit.
3287         (ira-* parameters): Copy-edit.
3288
3289 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3290
3291         * doc/invoke.texi: Minor copy-edits to bring into conformance with
3292         GCC coding conventions.
3293
3294 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
3295
3296         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
3297         when used as adjectives.
3298
3299 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
3300
3301         * doc/invoke.texi: Clean up "that"/"which" confusion.
3302
3303 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
3304
3305         * system.h: Poison SMALL_REGISTER_CLASSES
3306         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
3307         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
3308
3309 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3310
3311         PR tree-optimization/52285
3312         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
3313         when deciding if a call is a tail call or tail recursion.
3314
3315 2012-02-16  Kai Tietz  <ktietz@redhat.com>
3316
3317         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
3318         interger-constant displacement for UNSPEC_PCREL.
3319
3320 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3321
3322         PR rtl-optimization/52208
3323         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
3324         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
3325
3326         PR tree-optimization/52255
3327         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
3328         loop->header has virtual PHI, but exit_e->dest doesn't, add
3329         virtual PHI to exit_e->dest and adjust all uses after the loop.
3330
3331         PR debug/52260
3332         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
3333         children with clone_tree_hash, not after it.
3334
3335 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
3336
3337         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
3338         extended identifiers.
3339
3340 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
3341
3342         PR middle-end/51929
3343         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
3344         a same_body_alias, also test whether e->callee isn't a former
3345         or current clone of the decl this is a same body alias of.
3346
3347         PR translation/52264
3348         * cgraphunit.c (verify_cgraph_node): Fix a typo.
3349
3350 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
3351
3352         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
3353
3354 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
3355
3356         PR target/52199
3357         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
3358         force_reg instead of copy_to_reg for better optimization.  Force
3359         non-register or memory operands into a register.
3360
3361 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
3362
3363         * extend.texi: Reserve upper bits of memory model for future use.
3364
3365 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
3366             Anatoly Sokolov <aesok@post.ru>
3367             Eric Weddington <eric.weddington@atmel.com>
3368
3369         PR target/52261
3370         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
3371         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
3372         Rewrite initializers for .macro.
3373         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
3374         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
3375         atxmega32d4, atxmega32x1.
3376         avrxmega4: atxmega64a3, atxmega64d3.
3377         avrxmega5: atxmega64a1, atxmega64a1u.
3378         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
3379         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
3380         avrxmega7: atxmega128a1, atxmega128a1u.
3381         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
3382         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
3383         (struct base_arch_s): Rename reserved to xmega_p.
3384         Rename reserved2 to have_rampd.
3385         (AVR_XMEGA): New define.
3386         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
3387         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
3388         * config/avr/predicates.md (io_address_operand): Take into
3389         account SFR offset.
3390         (low_io_address_operand): Ditto.
3391         (high_io_address_operand): Ditto.
3392         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
3393         (enabled, movhi_sp_r): Use them.
3394         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
3395         cpp_define_formatted to built-in define __AVR_ARCH__.
3396         (__AVR_XMEGA__): New built-in define.
3397         (__AVR_HAVE_RAMPD__): New built-in define.
3398         (__AVR_HAVE_RAMPX__): New built-in define.
3399         (__AVR_HAVE_RAMPY__): New built-in define.
3400         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
3401
3402         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
3403         (avr_option_override): Initialize them.
3404         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
3405         (avr_init_expanders): Initialize them. No more block several calls.
3406         (emit_push_sfr): New static function.
3407         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
3408         Handle AVR_XMEGA.
3409         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
3410         (avr_print_operand): Print addreeses as symbols for
3411         RAMPX, RAMPY, RAMPD, CCP.
3412         (output_movhi): Handle AVR_XMEGA when writing to SP.
3413         (avr_out_movhi_mr_r_xmega): New static function.
3414         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
3415         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
3416         __RAMPD__,  __CCP__ as needed.
3417
3418         * config/avr/multilib.h: Regenerate.
3419         * config/avr/t-multilib: Regenerate.
3420         * config/avr/avr-tables.opt: Regenerate.
3421
3422 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
3423
3424         PR tree-optimization/50561
3425         * graphite-flattening.c (lst_project_loop): Do not
3426         remove old scattering dimensions after flattening.
3427         (lst_do_flatten): Likewise.
3428
3429 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
3430
3431         * doc/extend.texi (AVR Built-in Functions): Remove doc for
3432         __builtin_avr_map8, __builtin_avr_map16.
3433         Document __builtin_avr_insert_bits.
3434
3435         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
3436         (insert_bits): New insn.
3437         (adjust_len.map_bits): Rename to insert_bits.
3438         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
3439         * avr-protos.h (avr_out_map_bits): Remove.
3440         (avr_out_insert_bits, avr_has_nibble_0xf): New.
3441         * config/avr/constraints.md (Cxf,C0f): New.
3442         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
3443         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
3444         New built-in define __BUILTIN_AVR_INSERT_BITS.
3445         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
3446         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
3447         (avr_move_bits): Rewrite.
3448         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
3449         functions.
3450         (avr_map_op_t): New typedef.
3451         (avr_map_op): New static variable.
3452         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
3453         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
3454         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
3455         (bdesc_3arg, avr_expand_triop_builtin): New.
3456         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
3457         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
3458         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
3459         (avr_map_equal_p, avr_map_sig_p): Remove.
3460         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
3461         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3462         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
3463         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3464         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
3465         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
3466
3467 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3468
3469         * config/c6x/c6x.md (reserve_cycles): New attribute.
3470         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
3471         don't reserve functional units after the branch occurs.
3472
3473 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
3474
3475         PR middle-end/52142
3476         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
3477         functions into non-tm_pure functions.
3478
3479 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3480
3481         PR lto/52178
3482         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
3483         (iterative_hash_canonical_type): Likewise.
3484         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
3485         the dead edges.
3486
3487 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
3488
3489         * haifa-sched.c (prune_ready_list): Ensure that if there is a
3490         sched-group insn, it either remains alone or the entire list is pruned.
3491
3492 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3493
3494         * doc/install.texi (Prerequisites): Fix grammar.
3495         (Configuration): Likewise.
3496
3497 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
3498
3499         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
3500         MPC as part of GCC before describing configuring with --with-gmp etc.
3501         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
3502         sources are present.
3503
3504 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3505
3506         PR debug/51950
3507         * dwarf2out.c (clone_tree_hash): New function.
3508         (copy_decls_walk): Use it instead of clone_tree.
3509
3510 2012-02-14  Richard Guenther  <rguenther@suse.de>
3511
3512         PR tree-optimization/52244
3513         PR tree-optimization/51528
3514         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
3515         replacements for integral types.
3516
3517 2012-02-14  Walter Lee  <walt@tilera.com>
3518
3519         * config.gcc: Handle tilegx and tilepro.
3520         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
3521         tilegx and tilepro.
3522         Add HAVE_AS_TLS check for tilegx and tilepro.
3523         * configure: Regenerate.
3524         * doc/contrib.texi: Add Mat Hostetter and self.
3525         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
3526         Document instruction intrinsics and network accessing intrinsics.
3527         (TILEPro Built-in Functions): New node.  Document instruction
3528         intrinsics and network accessing intrinsics.
3529         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
3530         (Specific, tilepro-*-linux*): Likewise.
3531         * doc/invoke.texi (TILE-Gx Options): New section.
3532         (TILEPro Options): New section.
3533         * doc/md.texi (TILE-Gx): New section.
3534         (TILEPro): New section.
3535         * common/config/tilegx/tilegx-common.c: New file.
3536         * common/config/tilepro/tilepro-common.c: New file.
3537         * config/tilegx/constraints.md: New file.
3538         * config/tilegx/linux.h: New file.
3539         * config/tilegx/mul-tables.c: New file.
3540         * config/tilegx/predicates.md: New file.
3541         * config/tilegx/sync.md: New file.
3542         * config/tilegx/t-tilegx: New file.
3543         * config/tilegx/tilegx-builtins.h: New file.
3544         * config/tilegx/tilegx-c.c: New file.
3545         * config/tilegx/tilegx-generic.md: New file.
3546         * config/tilegx/tilegx-modes.def: New file.
3547         * config/tilegx/tilegx-multiply.h: New file.
3548         * config/tilegx/tilegx-protos.h: New file.
3549         * config/tilegx/tilegx.c: New file.
3550         * config/tilegx/tilegx.h: New file.
3551         * config/tilegx/tilegx.md: New file.
3552         * config/tilegx/tilegx.opt: New file.
3553         * config/tilepro/constraints.md: New file.
3554         * config/tilepro/gen-mul-tables.cc: New file.
3555         * config/tilepro/linux.h: New file.
3556         * config/tilepro/mul-tables.c: New file.
3557         * config/tilepro/predicates.md: New file.
3558         * config/tilepro/t-tilepro: New file.
3559         * config/tilepro/tilepro-builtins.h: New file.
3560         * config/tilepro/tilepro-c.c: New file.
3561         * config/tilepro/tilepro-generic.md: New file.
3562         * config/tilepro/tilepro-modes.def: New file.
3563         * config/tilepro/tilepro-multiply.h: New file.
3564         * config/tilepro/tilepro-protos.h: New file.
3565         * config/tilepro/tilepro.c: New file.
3566         * config/tilepro/tilepro.h: New file.
3567         * config/tilepro/tilepro.md: New file.
3568         * config/tilepro/tilepro.opt: New file.
3569
3570 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3571
3572         PR tree-optimization/52210
3573         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
3574         vect_model_simple_cost with two entry vect_def_type array instead
3575         of an address of dt.
3576
3577 2012-02-14  Richard Guenther  <rguenther@suse.de>
3578
3579         PR lto/52178
3580         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
3581         Do not stream DECL_QUALIFIER.
3582         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
3583         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
3584         (find_decls_types_r): Do not walk DECL_QUALIFIER.
3585
3586 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
3587
3588         PR c/52181
3589         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
3590         newdecl.
3591
3592 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3593
3594         PR bootstrap/52172
3595         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
3596         * cselib.c (cselib_subst_to_values_from_insn): New function.
3597         * sched-deps.c (add_insn_mem_dependence,
3598         sched_analyze_1, sched_analyze_2): Use it.
3599
3600 2012-02-13  Jan Hubicka  <jh@suse.cz>
3601
3602         PR middle-end/52214
3603         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
3604
3605 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
3606
3607         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
3608         (GTM_SELF_SPECS): Define if not already defined.
3609         (driver_self_specs): Add GTM_SELF_SPECS.
3610         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
3611         (GTM_SELF_SPECS): Define.
3612         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
3613         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
3614
3615 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3616
3617         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
3618         away if seen.
3619
3620         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3621
3622         PR middle-end/52230
3623         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3624         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3625
3626 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3627
3628         PR c/52190
3629         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3630
3631 2012-02-13  Richard Guenther  <rguenther@suse.de>
3632
3633         PR translation/52211
3634         * passes.c (enable_disable_pass): Fix typo.
3635
3636 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3637
3638         PR middle-end/52209
3639         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3640         XOR for reduce_bit_field if type is unsigned.
3641
3642 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3643
3644         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3645         disallow changes from SFmode to mode with different size in FP regs.
3646
3647 2012-02-12  Robert Millan  <rmh@gnu.org>
3648             Gerald Pfeifer <gerald@pfeifer.com>
3649
3650         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3651         Tweak comment.
3652
3653 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3654
3655         PR rtl-optimization/52175
3656         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3657         to frame-related instructions.
3658
3659 2012-02-10  Jason Merrill  <jason@redhat.com>
3660
3661         PR c++/51910
3662         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3663         (demangle_new_symbols): Fill it.
3664         (scan_linker_output): Walk it.
3665         (start_tweaking): Split out from scan_linker_output.
3666         (maybe_tweak): Update sym->chosen.
3667         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3668
3669 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3670
3671         PR debug/52132
3672         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3673
3674 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3675
3676         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3677         having the same mode as previous compare.
3678
3679 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3680
3681         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3682         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3683         (nonlocal_goto_internal): Likewise.
3684         (nonlocal_goto): Emit a use and an indirect jump directly.
3685
3686 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3687
3688         PR c/52190
3689         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3690         __atomic_{is,always}_lock_free.
3691
3692 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3693
3694         PR target/52146
3695         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3696         negative constant address for x32.
3697
3698 2012-02-10  Richard Henderson  <rth@redhat.com>
3699
3700         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3701         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3702         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3703
3704 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3705             Ira Rosen  <irar@il.ibm.com>
3706
3707         PR tree-optimization/50031
3708         * targhooks.c (default_builtin_vectorization_cost): Handle
3709         vec_promote_demote.
3710         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3711         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3712         all types of reduction and pattern statements.
3713         (vect_estimate_min_profitable_iters): Likewise.
3714         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3715         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3716         for explicit realigns.
3717         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3718         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3719         vec_promote_demote.
3720         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3721         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3722         vec_perm for VSX and handle vec_promote_demote.
3723
3724 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3725
3726         PR middle-end/52177
3727         * builtins.c (fold_builtin_atomic_always_lock_free,
3728         expand_builtin_atomic_always_lock_free,
3729         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3730         Return and/or test boolean_true_node/boolean_false_node instead of
3731         integer_one_node/integer_zero_node.
3732
3733 2012-02-10  Jan Hubicka  <jh@suse.cz>
3734
3735         PR middle-end/48600
3736         * predict.c (predict_paths_for_bb): Prevent looping.
3737         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3738
3739 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3740
3741         * config/arm/arm.c (output_move_double): In one case properly
3742         count number of instructions that will be emitted.
3743
3744 2012-02-10  Richard Guenther  <rguenther@suse.de>
3745
3746         PR translation/52193
3747         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3748
3749 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3750
3751         PR middle-end/52140
3752         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3753
3754 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR debug/52165
3757         * var-tracking.c (emit_note_insn_var_location): If
3758         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3759         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3760         non-NOTE_DURING_CALL_P insn.
3761
3762 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3763
3764         PR middle-end/51867
3765         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3766
3767 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3768
3769         PR driver/48524
3770         * gcc.c (switch_matches) Support switches with separated form,
3771         -D and -U.
3772
3773 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3774
3775         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3776         (SP_ADDR): Ditto.
3777         (RAMPZ_ADDR): Ditto.
3778         * config/avr/avr.c (avr_addr_t): New typedef.
3779         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3780         (avr_init_expanders): Initialize it.
3781         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3782         SREG_ADDR.
3783         (expand_epilogue): Ditto.
3784         (avr_print_operand): Ditto.
3785         (avr_file_start): Ditto.
3786         (avr_emit_movmemhi): Ditto.
3787
3788 2012-02-08  Richard Guenther  <rguenther@suse.de>
3789
3790         PR tree-optimization/46886
3791         * tree-flow.h (do_while_loop_p): Declare.
3792         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3793         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3794
3795 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3796
3797         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3798         always succeed for integers larger than a native word.
3799
3800 2012-02-08  Richard Guenther  <rguenther@suse.de>
3801
3802         PR rtl-optimization/52170
3803         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3804         properly handle integer vector modes.
3805
3806 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3807
3808         PR gcov-profile/52150
3809         * coverage.c: Include target.h.
3810         (build_var): Call targetm.strip_name_encoding on the assembler name.
3811         Change one _ into . or $ if the target allows it.
3812         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3813
3814         PR rtl-optimization/52139
3815         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3816         is a BARRIER after emit_insn_after_noloc, move BB_END
3817         to the last non-BARRIER insn before it.
3818
3819 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3820
3821         PR middle-end/24306
3822         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3823         (mips_gimplify_va_arg_expr): Call it instead of
3824         std_gimplify_va_arg_expr.
3825
3826 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3827
3828         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3829         message for -mno-pointers-to-nested-function.
3830
3831 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3832
3833         PR middle-end/51994
3834         * expr.c (get_inner_reference): If there is an offset, add a negative
3835         bit position to it (if any).
3836
3837 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3838
3839         PR rtl-optimization/52060
3840         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3841         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3842         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3843         and/or i0src_copy2 when needed.
3844
3845 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3846
3847         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3848         or LTOPLUGINSONAME if have_c.
3849
3850         * config/freebsd-spec.h: Add comment about what macros can be defined
3851         in this header.
3852         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3853         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3854         here instead.
3855
3856 2012-02-07  Richard Guenther  <rguenther@suse.de>
3857
3858         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3859         newline in -alias dumps.
3860
3861 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3862             Dave Korn  <dave.korn.cygwin@gmail.com>
3863
3864         PR target/40068
3865         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3866         Take care that typinfo gets dllexport-attribute.
3867
3868 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3869
3870         PR middle-end/52074
3871         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3872         if modifier < EXPAND_SUM call force_operand on the result.
3873
3874 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3875
3876         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3877         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3878         present.
3879         (epiphany_function_type): Replace types for specific interrupts with
3880         EPIPHANY_FUNCTION_INTERRUPT.
3881         (EPIPHANY_INTERRUPT_P): Update.
3882         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3883         New static function.
3884         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3885         <disinterrupt>: Affects type identity.
3886         (epiphany_handle_interrupt_attribute): Handle variable number of
3887         arguments.
3888         (epiphany_compute_function_type): Update for new
3889         epiphany_function_type definition.
3890         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3891         handlers with a longcall forwarder.
3892         (epiphany_start_function): Handle multiple interrupt arguments and/or
3893         forwarder_section attribute.
3894
3895         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3896         libgloss.
3897
3898 2012-02-07  Alan Modra  <amodra@gmail.com>
3899
3900         PR target/52107
3901         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3902         subregs of TFmode.
3903
3904 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3905
3906         PR tree-optimization/50969
3907         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3908         use vec_perm rather than vector_stmt.
3909         (vect_model_load_cost): Likewise.
3910         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3911         vec_perm to be the same as other vector statements.
3912         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3913         cost of vec_perm for TARGET_VSX.
3914
3915 2012-02-06  Richard Guenther  <rguenther@suse.de>
3916
3917         PR tree-optimization/52115
3918         * tree-sra.c (access_has_replacements_p): New function.
3919         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3920
3921 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3922
3923         PR middle-end/52047
3924         * trans-mem.c (expand_call_tm): Add an assertion.
3925         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3926         functions.
3927
3928 2012-02-06  Richard Guenther  <rguenther@suse.de>
3929
3930         PR tree-optimization/50955
3931         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3932         raise cost of expressions that replace an address with an
3933         expression based on a different pointer.
3934
3935 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3936
3937         PR target/52129
3938         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3939         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3940
3941 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3942
3943         PR c++/48680
3944         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3945         -Weffc++ and specify guidelines come from second edition.
3946
3947 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3948
3949         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3950         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3951         (call_direct_split, call_value_split, call_value_internal_direct)
3952         (call_value_direct_split, call_value_multiple_split): Use jal and
3953         jal_macro attributes.
3954
3955 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3956
3957         * reload1.c (reload_regs_reach_end_p): Replace with...
3958         (reload_reg_rtx_reaches_end_p): ...this function.
3959         (new_spill_reg_store): Update commentary.
3960         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3961         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3962         before setting new_spill_reg_store.
3963         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3964         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3965         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3966         for non-spill reload registers.
3967
3968 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3969
3970         PR tree-optimization/52091
3971         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3972         (vect_is_simple_use_1): Likewise.
3973         * tree-vect-loop.c (vectorizable_reduction): Update calls
3974         to vect_is_simple_use_1 and vect_is_simple_use.
3975         (vectorizable_live_operation): Likewise.
3976         * tree-vect-patterns.c (widened_name_p,
3977         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3978         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3979         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3980         vectorizable_shift,vectorizable_operation, vectorizable_store,
3981         vectorizable_load): Likewise.
3982         (vect_is_simple_cond): Add an argument, pass it to
3983         vect_is_simple_use_1.
3984         (vectorizable_condition): Update calls to vect_is_simple_cond,
3985         vect_is_simple_use.
3986         (vect_is_simple_use): Add an argument, the statement in which
3987         OPERAND is used.  Check that if OPERAND's def stmt is a double
3988         reduction phi node, the use is a phi node too.
3989         (vect_is_simple_use_1): Add an argument, pass it to
3990         vect_is_simple_use.
3991         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3992         to vect_is_simple_use.
3993
3994 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3995
3996         PR rtl-optimization/52095
3997         * modulo-sched.c (dump_insn_locator): New function.
3998         (loop_canon_p, sms_schedule): Use it.
3999
4000         PR rtl-optimization/52113
4001         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4002         even for decomposable shift/zext insns.
4003
4004 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
4005             Zdenek Dvorak  <ook@ucw.cz>
4006
4007         PR rtl-optimization/52092
4008         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4009         on get_iv_value result.
4010
4011 2012-02-02  Andrew Pinski  <apinski@cavium.com>
4012
4013         PR middle-end/47982
4014         PR middle-end/43967
4015         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4016
4017 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4018
4019         PR middle-end/48071
4020         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4021
4022 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
4023
4024         PR rtl-optimization/49800
4025         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4026         (sched_finish): Call regstat_free_n_sets_and_refs.
4027
4028 2012-02-02  Jia Liu  <proljc@gmail.com>
4029
4030         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4031         than operand 2.
4032
4033 2012-02-02  Jan Hubicka  <jh@suse.cz>
4034             Tom de Vries  <tom@codesourcery.com>
4035
4036         PR middle-end/51998
4037         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4038         * varpool.c (varpool_analyze_pending_decls): Likewise.
4039
4040 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4041             Jayant R Sonar <jayant.sonar@kpitcummins.com>
4042
4043         * config.gcc: Add cr16-* support.
4044
4045         * doc/extend.texi: Document cr16 extensions.
4046         * doc/install.texi: Document cr16 install.
4047         * doc/invoke.texi: Document cr16 options.
4048         * doc/md.texi: Document cr16 constraints.
4049
4050         * common/config/cr16/cr16-common.c: New file.
4051         * config/cr16/cr16.c: New file.
4052         * config/cr16/cr16.h: New file.
4053         * config/cr16/cr16.md: New file.
4054         * config/cr16/cr16.opt: New file.
4055         * config/cr16/cr16-protos.h: New file.
4056         * config/cr16/predicates.md: New file.
4057         * config/cr16/constraints.md: New file.
4058         * config/cr16/t-cr16: New file.
4059
4060 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
4061
4062         PR target/52086
4063         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4064         that operands[2] is either immediate, or q_regs_operand.
4065
4066         PR tree-optimization/52073
4067         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4068         a pattern stmt for pattern uses, ignore uses outside of the loop.
4069
4070 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4071
4072         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4073         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4074         (OUT_AS1, OUT_AS2): Remove.
4075
4076 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
4077
4078         PR rtl-optimization/51374
4079         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4080         to cross other volatile_refs_p insns.
4081
4082 2012-02-01  Richard Guenther  <rguenther@suse.de>
4083
4084         * doc/invoke.texi (fno-inline): Clarify documentation.
4085         (finline-small-functions): Likewise.
4086         (finline-functions): Likewise.
4087         * common.opt (finline): Adjust comment and documentation.
4088         (finline-small-functions): Clarify documentation.
4089         (finline-functions): Likewise.
4090         (finline-functions-called-once): Likewise.
4091
4092 2012-02-01  Tristan Gingold  <gingold@adacore.com>
4093
4094         * c-typeck.c (composite_type): Keep mode for pointers.
4095
4096 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
4097
4098         * function.h (regno_reg_rtx): Adjust comment.
4099         * reginfo.c (init_reg_modes_target): Only use the previous mode
4100         if it fits within one register.  Remove MIPS comment.
4101
4102 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4103
4104         PR bootstrap/52058
4105         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
4106
4107 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4108
4109         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
4110         to srak instruction.
4111
4112 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4113
4114         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
4115
4116 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4117
4118         PR bootstrap/52041
4119         PR bootstrap/52039
4120         PR target/51974
4121         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
4122
4123 2012-01-31  Richard Guenther  <rguenther@suse.de>
4124
4125         PR tree-optimization/51528
4126         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
4127         assigns.
4128
4129 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
4130
4131         PR bootstrap/52041
4132         PR bootstrap/52039
4133         PR target/51974
4134         * ree.c (add_removable_extension): Change def_map argument
4135         to unsigned *, store in def_map 1 + offset into *insn_list vector
4136         instead of pointers into the vector.
4137         (find_removable_extensions): Adjust caller.
4138
4139 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4140
4141         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
4142         Transform all "* quoted-c-code" to { c-code }.
4143         Remove redundant test for "optimize" in combine patterns.
4144         Move (include "avr-dimode.md") to end of file.
4145
4146 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
4147
4148         PR target/51835
4149         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
4150         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
4151
4152 2012-01-30  Richard Guenther  <rguenther@suse.de>
4153
4154         PR tree-optimization/52028
4155         * tree-loop-distribution.c (ldist_gen): Properly update
4156         virtual SSA form.
4157
4158 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
4159
4160         PR debug/52027
4161         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
4162         set_cur_line_info_table if not emitting debug info.
4163
4164         PR tree-optimization/52046
4165         * tree-vect-patterns.c (check_bool_pattern): Give up if
4166         a comparison could throw.
4167
4168         PR debug/52048
4169         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
4170
4171 2012-01-30  Richard Guenther  <rguenther@suse.de>
4172
4173         PR tree-optimization/52045
4174         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
4175         SSA form if cfgcleanup did anything.
4176
4177 2012-01-30  Richard Guenther  <rguenther@suse.de>
4178
4179         PR tree-optimization/52045
4180         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
4181         before computing final todo.
4182
4183 2012-01-30  Richard Guenther  <rguenther@suse.de>
4184
4185         PR tree-optimization/51528
4186         * tree-sra.c (sra_modify_assign): Re-factor in preparation
4187         for PR51528 fix.
4188
4189 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
4190
4191         * df-problems.c (df_kill_notes): Check that the use refers
4192         to the note under examination.
4193
4194 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
4195
4196         PR target/51920
4197         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
4198         parameter and use short-lived pseudos.
4199         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
4200         (sparc_expand_vector_init): Const-ify local variables and adjust
4201         calls to above functions.
4202
4203 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
4204
4205         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
4206
4207 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
4208
4209         * doc/invoke.texi: Make usage of "compile time" and
4210         "run time"/"runtime" consistent throughout the file.
4211
4212 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
4213
4214         * config/alpha/alpha.c (alpha_option_override): Default to
4215         full IEEE compliance mode for Go language.
4216
4217 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
4218
4219         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
4220         (LINK_SSP_SPEC): Define.
4221
4222 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4223
4224         PR target/51871
4225         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
4226         stubs.
4227
4228 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
4229
4230         * doc/invoke.texi: Correct hyphenation of "floating point",
4231         "double precision", and related terminology throughout the file.
4232
4233 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
4234
4235         PR target/52006
4236         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
4237         arm_general_register_operand predicate for operand 2 instead of
4238         register_operand.
4239
4240 2012-01-27  Ian Lance Taylor  <iant@google.com>
4241
4242         PR go/47656
4243         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
4244         * builtins.c (expand_builtin_init_trampoline): Add onstack
4245         parameter.  Change caller.
4246         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
4247         * tree.c (build_common_builtin_nodes): Declare
4248         __builtin_init_heap_trampoline.
4249
4250 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
4251
4252         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
4253         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
4254         * config/avr/avr.c: Ditto.
4255         (avr_regnames): Remove because unused.
4256         * config/avr/avr.md (*cpse.ne): New peephole.
4257         (*cpse.eq): New peephole from former cpse peepholes.
4258
4259 2012-01-27  Michael Eager  <eager@eagercon.com>
4260
4261         * config/microblaze.c (microblaze_emit_compare): Correct
4262         test after pcmp instruction.
4263
4264 2012-01-27  Richard Guenther  <rguenther@suse.de>
4265
4266         PR tree-optimization/52020
4267         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
4268
4269 2012-01-27  Richard Guenther  <rguenther@suse.de>
4270
4271         * ipa-pure-const.c (check_stmt): Clobbers do not make a
4272         function non-const/pure.
4273
4274 2012-01-27  Richard Guenther  <rguenther@suse.de>
4275
4276         PR tree-optimization/50444
4277         * tree-sra.c (build_ref_for_offset): Properly adjust the
4278         MEM_REF type for unaligned accesses.
4279
4280 2012-01-27  Richard Guenther  <rguenther@suse.de>
4281
4282         PR tree-optimization/50444
4283         * expr.c (mem_ref_refers_to_non_mem_p): New function.
4284         (expand_assignment): Use it.  Properly handle misaligned
4285         bases when expanding stores to component references.
4286         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
4287         refactor that case.
4288
4289 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
4290
4291         PR middle-end/51389
4292         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
4293         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
4294         * tree-data-ref.c (find_data_references_in_loop): Make static.
4295         (compute_all_dependences): Change return type to bool.  Bail out
4296         for too many datarefs in a loop.  Move the hunk resetting the data
4297         dependences vector from ...
4298         (compute_data_dependences_for_loop): ... here.  Account for
4299         compute_all_dependences returning false.
4300         (compute_data_dependences_for_bb): Likewise.
4301         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
4302         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
4303
4304 2012-01-27  Richard Guenther  <rguenther@suse.de>
4305
4306         PR middle-end/51959
4307         * expr.c (store_field): Use the alias-set of the scratch memory
4308         for storing to it.
4309
4310 2012-01-27  Tom de Vries  <tom@codesourcery.com>
4311
4312         PR tree-optimization/51990
4313         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4314         WITH_SIZE_EXPR.
4315         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
4316
4317 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
4318
4319         PR debug/52001
4320         * var-tracking.c (reverse_op): Don't add any reverse operation
4321         if V already has any constant locations.
4322
4323 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4324
4325         * doc/invoke.texi: Correct usage of "command line" (noun)
4326         vs "command-line" (adjective) throughout.
4327
4328 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
4329
4330         * doc/invoke.texi (Language Independent Options): Move
4331         -Wcoverage-mismatch blurb from here....
4332         (Warning Options): ...to here.
4333
4334 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
4335
4336         * config/rs6000/rs6000.c (rs6000_option_override_internal):
4337         Set rs6000_always_hint to false for 476.
4338
4339 2012-01-27  Matthias Klose  <doko@ubuntu.com>
4340
4341         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
4342           system root.
4343         * incpath.c (add_standard_paths): Likewise.
4344
4345 2012-01-27  Richard Henderson  <rth@redhat.com>
4346
4347         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4348         * config/m68k/sync.md (atomic_test_and_set): Rename from
4349         sync_test_and_setqi and adjust the operands.
4350         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
4351         and unconditionally enable.
4352
4353 2012-01-27  Richard Henderson  <rth@redhat.com>
4354
4355         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4356         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
4357         (ldstub): Rename from ldstubqi.
4358         (ldstub<I24MODE>): Remove.
4359
4360 2012-01-27  Richard Henderson  <rth@redhat.com>
4361
4362         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
4363         * c-cppbuiltin.c (cpp_atomic_builtins): Define
4364         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
4365         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
4366         * doc/tm.texi: Rebuild.
4367
4368 2012-01-27  Richard Henderson  <rth@redhat.com>
4369
4370         * optabs.c (gen_atomic_test_and_set): Remove default.
4371         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
4372
4373 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4374
4375         PR rtl-optimization/51978
4376         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
4377         (combine_reaching_defs): Likewise.
4378         (struct re_info): Remove.
4379         (add_removable_extension): Remove x and data arguments,
4380         add insn, insn_list and def_map.  Use the arguments directly
4381         instead of using struct re_info.
4382         (find_removable_extensions): Don't call add_removable_extension
4383         through note_stores, instead just call it with single_set
4384         result if non-NULL.
4385         (find_and_remove_re): Pass curr_cand->expr instead of
4386         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
4387
4388 2012-01-26  Michael Matz  <matz@suse.de>
4389
4390         PR tree-optimization/46590
4391         * cfgexpand.c: Revert last change (r183305).
4392         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
4393         regs.
4394         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
4395         checking for emptiness.
4396
4397 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
4398
4399         PR middle-end/51895
4400         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
4401         non-addressable non-BLKmode base correctly.
4402
4403 2012-01-26  Michael Matz  <matz@suse.de>
4404
4405         PR tree-optimization/48794
4406         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
4407         regions referenced from RESX/EH_DISPATCH.
4408
4409 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4410
4411         * config/s390/s390.h: Make BRANCH_COST an option.
4412         * config/s390/s390.opt: New option -mbranch-cost.
4413
4414 2012-01-26  Richard Henderson  <rth@redhat.com>
4415
4416         Revert 2012-01-24 change:
4417         * trans-mem.c (requires_barrier): Do not instrument thread local
4418         variables and emit save/restore for them.
4419
4420 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4421
4422         PR middle-end/51986
4423         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
4424         for pat == 0.
4425
4426 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
4427
4428         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
4429         ASM_OPERANDS.
4430
4431 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
4432
4433         PR target/49868
4434         Rename __pgm to __flash.
4435         Rename __pgm1 to __flash1.
4436         Rename __pgm2 to __flash2.
4437         Rename __pgm3 to __flash3.
4438         Rename __pgm4 to __flash4.
4439         Rename __pgm5 to __flash5.
4440         Rename __pgmx to __memx.
4441         * doc/extend.texi (AVR Named Address Spaces)
4442         Rename address space names as indicated above.
4443         * config/avr/avr.c (avr_addrspace): Ditto.
4444
4445         * config/avr/avr-protos.h
4446         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
4447         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
4448         * config/avr/predicates.md: Ditto.
4449         * config/avr/avr.c Ditto, and
4450         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
4451         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
4452
4453         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
4454         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
4455         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
4456         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
4457         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
4458         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
4459         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
4460         * config/avr/avr.c: Ditto.
4461         * config/avr/avr.md: Ditto.
4462
4463 2012-01-25  Jason Merrill  <jason@redhat.com>
4464
4465         PR c++/51992
4466         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
4467
4468 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
4469
4470         PR tree-optimization/51987
4471         * tree-data-ref.c (get_references_in_stmt): Handle references in
4472         non-volatile GIMPLE_ASM.
4473
4474 2012-01-25  Richard Guenther  <rguenther@suse.de>
4475
4476         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
4477         bases are dereferenced.
4478
4479 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4480
4481         PR rtl-optimization/48374
4482         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
4483
4484 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
4485
4486         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
4487         compute_data_dependences_for_loop returns false.
4488         * tree-parloops.c (loop_parallel_p): Likewise.
4489
4490 2012-01-25  Richard Guenther  <rguenther@suse.de>
4491
4492         * tree.h (get_pointer_alignment_1): Declare.
4493         * builtins.c (get_pointer_alignment_1): New function.
4494         (get_pointer_alignment): Use it.
4495
4496 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4497
4498         PR rtl-optimization/48308
4499         * combine.c (enum undo_kind): Add UNDO_LINKS.
4500         (struct undo): Add member l to other_contents and where.
4501         (do_SUBST_LINK): New.
4502         (SUBST_LINK): New.
4503         (try_combine): Handle LOG_LINKS for the dummy i1 case.
4504         (undo_all): Handle UNDO_LINKS.
4505
4506 2012-01-25  Richard Henderson  <rth@redhat.com>
4507
4508         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
4509         mem inputs.
4510
4511 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4512
4513         * optabs.c (gen_atomic_test_and_set): Use each argument.
4514
4515 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4516
4517         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
4518         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
4519         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
4520         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
4521         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
4522         TARGET_PAIRED_SINGLE_FLOAT.
4523
4524 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4525
4526         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4527         (in_struct, return_val): Remove MEM documentation.
4528         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
4529         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
4530         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
4531         and MEM_SCALAR.
4532         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4533         * cfgexpand.c (add_alias_set_conflicts): Likewise.
4534         * expr.c (store_field): Likewise.
4535         * function.c (assign_stack_temp_for_type): Likewise.
4536         * ifcvt.c (noce_try_cmove_arith): Likewise.
4537         * reload1.c (reload): Likewise.
4538         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
4539         (alpha_set_memflags): Likewise.
4540         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
4541
4542 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
4543
4544         * rtl.h (true_dependence, canon_true_dependence): Remove varies
4545         parameter.
4546         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
4547         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
4548         (true_dependence_1, true_dependence, canon_true_dependence): Remove
4549         varies parameter.
4550         * cselib.c (cselib_rtx_varies_p): Delete.
4551         (cselib_invalidate_mem): Update call to canon_true_dependence.
4552         * dse.c (record_store, check_mem_read_rtx): Likewise.
4553         (scan_reads_nospill): Likewise.
4554         * cse.c (check_dependence): Likewise.
4555         (cse_rtx_varies_p): Delete.
4556         * expr.c (safe_from_p): Update call to true_dependence.
4557         * ira.c (validate_equiv_mem_from_store): Likewise.
4558         (memref_referenced_p): Likewise.
4559         * postreload-gcse.c (find_mem_conflicts): Likewise.
4560         * sched-deps.c (sched_analyze_2): Likewise.
4561         * store-motion.c (load_kills_store): Likewise.
4562         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
4563         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4564         (compute_transp): Update call to canon_true_dependence.
4565
4566 2012-01-25  Richard Henderson  <rth@redhat.com>
4567
4568         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
4569         (maybe_emit_atomic_test_and_set): New.
4570         (expand_sync_lock_test_and_set): Use it.
4571         (expand_atomic_test_and_set): Likewise.
4572         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
4573         the implementation; clarify implementation defined details.
4574         * doc/md.texi (atomic_test_and_set): Document.
4575
4576 2012-01-25  Richard Henderson  <rth@redhat.com>
4577
4578         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
4579
4580 2012-01-25  Richard Henderson  <rth@redhat.com>
4581
4582         PR target/51968
4583         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
4584         to effect no-op split.
4585
4586 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4587
4588         PR lto/51698
4589         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
4590         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
4591         (BT_FN_VOID_PTR_INT_SIZE): New.
4592         (BT_FN_UINT_UINT_VAR): Remove.
4593         (BT_FN_UINT32_UINT32_VAR): New.
4594         (BT_FN_DOUBLE_VPTR): Remove.
4595         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
4596
4597         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
4598         (_ITM_changeTransactionMode): Same.
4599         (_ITM_memmoveRtWt): Change return type to void.
4600         (_ITM_memcpyRtWt): Same.
4601         (_ITM_memsetW): Same.
4602         (_ITM_RaRD): Change types to double.
4603         (_ITM_RD): Same.
4604         (_ITM_RaWD): Same.
4605         (_ITM_RfWD): Same.
4606
4607         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
4608
4609 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
4610             Patrick Marlier  <patrick.marlier@gmail.com>
4611
4612         * trans-mem.c (requires_barrier): Do not instrument thread local
4613         variables and emit save/restore for them.
4614
4615 2012-01-24  Jason Merrill  <jason@redhat.com>
4616
4617         PR c++/51812
4618         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4619         output static aliases.
4620
4621 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4622
4623         PR driver/47249
4624         * common.opt (-pie, -shared, pie, shared): Change from Common to
4625         Driver.
4626         * gcc.c (display_help): Display help for -pie and -shared.
4627
4628 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4629
4630         PR target/49868
4631         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4632         Remove note on size/offset limitation.
4633         (AVR Variable Attributes): Add example how to read data located
4634         with progmem.  Refer to named address spaces.
4635         * doc/invoke.texi (AVR Options): Fix typo.
4636
4637 2012-01-24  Richard Guenther  <rguenther@suse.de>
4638
4639         Forward-port to trunk
4640         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4641
4642         PR middle-end/45678
4643         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4644         op0 isn't sufficiently aligned and there is movmisalignM
4645         insn for mode, use it to load op0 into a temporary register.
4646
4647 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4648
4649         PR target/51957
4650         * target.def (const_not_ok_for_debug_p): New hook.
4651         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4652         documentation.
4653         * doc/tm.texi: Regenerated.
4654         * dwarf2out.c (const_ok_for_output_1): If
4655         targetm.const_not_ok_for_debug_p returns true, fail.
4656         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4657         function.
4658         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4659
4660 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4661
4662         PR target/51900
4663         * config/i386/predicates.md (symbolic_operand): Allow
4664         UNSPEC_PCREL as PIC expression for lea.
4665         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4666         * config/i386/i386.c (ix86_delegitimize_address): Handle
4667         UNSPEC_PCREL for none-MEM, too.
4668
4669 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4670
4671         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4672         (ipa_tm_create_version_alias): Same.
4673
4674 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4675
4676         PR libitm/51830
4677         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4678         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4679
4680 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4681             Patrick Marlier  <patrick.marlier@gmail.com>
4682             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4683
4684         PR lto/51916
4685         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4686         simple_object_start_read.
4687
4688 2012-01-23  Richard Guenther  <rguenther@suse.de>
4689
4690
4691         PR tree-optimization/51895
4692         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4693         parameter decomposition into BLKmode components.
4694
4695 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4696
4697         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4698         fake variables for restrict-qualified pointers whose pointed-to type
4699         contains a placeholder.
4700
4701 2012-01-23  Richard Guenther  <rguenther@suse.de>
4702
4703         PR tree-optimization/51949
4704         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4705
4706 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4707
4708         PR rtl-optimization/51933
4709         * ree.c (transform_ifelse): Return true right away if dstreg is
4710         already wider or equal to cand->mode.
4711         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4712         (make_defs_and_copies_lists): Remove defs_list and copies_list
4713         arguments, add state argument, just truncate state->work_list
4714         instead of always allocating and freeing the vector.  Assert that
4715         get_defs succeeds instead of returning 2.  Changed return type to bool.
4716         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4717         have ext_src_mode, see if it has been modified already with the
4718         right kind of extension and has been extended before from the
4719         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4720         just return true.  Remember the original mode in state->modified array.
4721         (combine_reaching_defs): Add state argument.  Don't allocate and
4722         free here def_list, copied_list and vec vectors, instead just
4723         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4724         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4725         Add state variable, clear vectors in it, initialize state.modified
4726         if needed.  Free all the vectors at the end and state.modified too.
4727         Don't skip a candidate if the extension expression has been modified.
4728
4729 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4730
4731         PR target/47096
4732         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4733          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4734         (extra_options) interix.opt -> i386/interix.opt"
4735         (extra_objs):Add winnt-stubs.o
4736         * configure.ac: Add interix to target_os .comm on PE check.
4737         * configure: Regenerate.
4738         * config/interix3.h: Delete and move bits to..
4739         * config/interix.h: Delete and move bits to..
4740         * config/i386/i386-interix3.h: Delete and move bits to..
4741         * config/i386/i386-interix.h: ..here.
4742         (TARGET_CPU_DEFAULT): Remove redefinition.
4743         (TARGET_ASM_CONSTRUCTOR): Undefine.
4744         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4745         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4746         (PTRDIFF_TYPE): Define.
4747         (LONG_DOUBLE_TYPE_SIZE): Define.
4748         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4749         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4750         (TARGET_SECTION_TYPE_FLAGS): Define.
4751         (ASM_DECLARE_FUNCTION_NAME): Define.
4752         (ASM_OUTPUT_EXTERNAL): Define.
4753         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4754         (ASM_OUTPUT_ALIGNED_BSS): Define.
4755         (PCC_BITFIELD_TYPE_MATTERS): Define.
4756         (USE_CONST_SECTION): Define.
4757         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4758         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4759         (SUPPORTS_ONE_ONLY): Remove.
4760         (I386_PE_STRIP_ENCODING): Define.
4761         * config/interix.opt: Delete and move bits to..
4762         * config/i386/interix.opt: ..here. New.
4763         (mpe-aligned-commons): Add.
4764         * config/i386/t-interix: Add copyright header.
4765         (winnt-stubs.o): Add rule.
4766
4767 2012-01-22  Jason Merrill  <jason@redhat.com>
4768
4769         PR c++/51832
4770         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4771         for extra name aliases.
4772
4773 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4774
4775         PR rtl-optimization/51924
4776         * ree.c (combine_set_extension): Improve debugging message.
4777         (combine_reaching_defs): Likewise.
4778         (get_defs): Rename confusingly named variable.
4779         (find_and_remove_re): Skip a candidate if the extension expression has
4780         been modified.
4781
4782 2012-01-21  Robert Millan  <rmh@gnu.org>
4783             Gerald Pfeifer  <gerald@pfeifer.com>
4784
4785         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4786         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4787
4788 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4789
4790         PR tree-optimization/51914
4791         * tree-vect-stmts.c (vectorizable_conversion): For
4792         cvt_type && modifier == WIDEN, put temporary with cvt_type
4793         at the beginning of vec_dsts and set vec_dest to temporary
4794         with vectype_out.
4795
4796 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4797
4798         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4799
4800 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4801
4802         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4803         * config/rs6000/rs6000.c: Likewise.
4804
4805 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4806
4807         PR target/51915
4808         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4809         output_move_double on a copy of operands array.
4810
4811 2012-01-20  Cary Coutant  <ccoutant@google.com>
4812             Dodji Seketeli  <dodji@redhat.com>
4813
4814         PR debug/45682
4815         * dwarf2out.c (copy_declaration_context): Return ref to parent
4816         of declaration DIE, if necessary.
4817         (remove_child_or_replace_with_skeleton): Add new parameter; update
4818         caller.  Place skeleton DIE under parent DIE of original declaration.
4819         Move call to copy_declaration_context to here ...
4820         (break_out_comdat_types): ... from here.
4821
4822 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4823
4824         PR rtl-optimization/51856
4825         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4826         flag to reloaded.
4827
4828 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4829
4830         PR target/51819
4831         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4832         hints for neon loads and stores.
4833
4834 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4835
4836         PR target/49868
4837         PR target/50887
4838         * doc/extend.texi (Named Address Spaces): Split into subsections.
4839         (AVR Named Address Spaces): New subsection.
4840         (M32C Named Address Spaces): New subsection.
4841         (RL78 Named Address Spaces): New subsection.
4842         (SPU Named Address Spaces): New subsection.
4843         (Variable Attributes): New anchor "AVR Variable Attributes".
4844         (AVR Variable Attributes): Rewrite and avoid wording
4845         "address space" in this context.
4846         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4847         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4848         (AVR Built-in Macros): New subsubsection therein.
4849         * doc/md.texi (AVR constraints): Remove "C04", "R".
4850
4851 2012-01-20  Richard Guenther  <rguenther@suse.de>
4852
4853         PR tree-optimization/51903
4854         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4855         when removing stmts.
4856
4857 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4858
4859         PR target/50313
4860         * config/arm/arm.c (arm_load_pic_register): Use
4861         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4862         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4863         (arm_pic_static_addr): Likewise.
4864         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4865         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4866         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4867         (pic_load_addr_unified): New.
4868
4869 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4870
4871         PR target/51106
4872         * function.c (instantiate_virtual_regs_in_insn): Use
4873         delete_insn_and_edges when removing a wrong asm insn.
4874
4875 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4876
4877         PR rtl-optimization/40761
4878         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4879         Add new member loop_num.
4880         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4881         (ira_build): Remove the parameter.
4882
4883         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4884         (ira.c): Do not build CFG loops for one region allocation.  Remove
4885         argument from ira_build call.
4886
4887         * ira-build.c (init_loop_tree_node): New function.
4888         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4889         loops are not built.
4890         (more_one_region_p): Check current_loops.
4891         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4892         built.
4893         (add_loop_to_tree): Process loop equal to NULL too.
4894         (form_loop_tree): Separate the case when CFG loops are not built.
4895         Use explicitly number for the root.
4896         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4897         an assertion.
4898         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4899         instead of loop->num.
4900         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4901         (mark_all_loops_for_removal): Ditto.
4902         (remove_unnecessary_regions): Separate the case when CFG loops
4903         are not built.
4904         (ira_build): Remove the parameter.  Use explicit number of regions
4905         when CFG loops are not built.
4906
4907         * ira-color.c (print_loop_title): Separate the case for the root node.
4908         Use loop_num instead of loop->num.
4909         (move_spill_restore): Use loop_num instead of loop->num.
4910
4911         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4912         (change_loop): Ditto.
4913         (change_loop): Use loop_num instead of loop->num.
4914
4915         * ira-lives.c (process_bb_node_lives): Ditto.
4916
4917         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4918
4919         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4920
4921 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4922
4923         PR libmudflap/40778
4924         * tree-mudflap.c (mf_artificial): New function.
4925         (execute_mudflap_function_ops, execute_mudflap_function_decls,
4926         mx_register_decls, mudflap_enqueue_decl): Use it.
4927
4928         PR target/51876
4929         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4930         numbers in the insn pattern.
4931
4932 2012-01-19  Michael Matz  <matz@suse.de>
4933
4934         PR tree-optimization/46590
4935         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4936         use it in remembering which conflicts we already created.
4937         (add_scope_conflicts): Adjust call to above, (de)allocate helper
4938         bitmap.
4939
4940 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
4941
4942         PR lto/51280
4943         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4944         (merge_and_complain): Same.
4945
4946 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4947
4948         PR bootstrap/50237
4949         * config/initfini-array.h: Guard content of the header
4950         with #ifdef HAVE_INITFINI_ARRAY.
4951         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4952         Add initfini-array.h to tm_file here.
4953         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4954         * config.gcc: Don't add initfini-array.h to tm_file here.
4955         * configure: Regenerated.
4956
4957 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
4958
4959         PR rtl-optimization/51505
4960         * df-problems.c (df_kill_notes): New parameter live. Update comment.
4961         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4962         (df_note_bb_compute): Update the call to df_kill_notes.
4963
4964 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
4965
4966         * trans-mem.c (requires_barrier): Remove call to is_global_var.
4967
4968 2012-01-18  Richard Guenther  <rguenther@suse.de>
4969
4970         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4971         of conversions to void *.
4972
4973 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4974             Richard Sandiford  <rdsandiford@googlemail.com>
4975
4976         PR middle-end/50325
4977         PR middle-end/51192
4978         * optabs.h (simplify_expand_binop): Declare.
4979         * optabs.c (simplify_expand_binop): Make global.
4980         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4981         endian targets if the source cannot be exactly covered by word
4982         mode chunks.
4983
4984 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4985
4986         PR bootstrap/51872
4987         * hard-reg-set.h (struct hard_reg_set_container): New type.
4988         * target.h (struct hard_reg_set_container): Forward declare.
4989         * target.def (set_up_by_prologue): New target hook.
4990         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4991         * doc/tm.texi: Regenerated.
4992         * function.c (thread_prologue_and_epilogue_insns): Change
4993         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4994         Call targetm.set_up_by_prologue on it.
4995         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4996         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4997
4998 2012-01-17  Nick Clifton  <nickc@redhat.com>
4999
5000         * config/rx/rx.c (rx_can_use_simple_return): New function.
5001         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5002         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5003
5004 2012-01-17  Richard Guenther  <rguenther@suse.de>
5005
5006         PR middle-end/51782
5007         * expr.c (expand_assignment): Take address-space information
5008         from the address operand of MEM_REF and TARGET_MEM_REF.
5009         (expand_expr_real_1): Likewise.
5010
5011 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5012
5013         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5014         reload dump is requested.
5015
5016 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
5017
5018         PR other/51165
5019         * trans-mem.c (requires_barrier): Call may_be_aliased.
5020
5021 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
5022
5023         PR tree-optimization/51877
5024         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5025         call arguments and fndecls compare equal, instead return false if they
5026         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
5027         both SSA_NAMEs that are valueized the same, or they satisfy
5028         operand_equal_p.
5029
5030 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5031
5032         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5033         Solaris 11+.
5034         * configure: Regenerate.
5035
5036 2012-01-16  Jan Hubicka  <jh@suse.cz>
5037
5038         PR c/12245
5039         PR c++/14179
5040         * convert.c (convert_to_integer): Use fold_convert for
5041         converting an INTEGER_CST to integer type.
5042
5043 2012-01-16  Jason Merrill  <jason@redhat.com>
5044
5045         PR c++/14179
5046         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5047
5048 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
5049
5050         PR bootstrap/51860
5051         * config/s390/s390.c (s390_chunkify_start): Don't skip
5052         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
5053         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5054         If insn is followed by NOTE_INSN_VAR_LOCATION or
5055         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5056         Don't use location of note insns.
5057
5058         PR tree-optimization/51865
5059         * tree-inline.c (tree_function_versioning): Call remap_decl
5060         on DECL_RESULT whenever it has VOID_TYPE_P type.
5061
5062 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
5063
5064         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5065         for calls to locally-binding MIPS16 functions if only the return
5066         type uses float regs.
5067
5068 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
5069             Richard Sandiford  <rdsandiford@googlemail.com>
5070
5071         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5072         (SYMBOL_32_HIGH): Likewise.
5073         (mips_output_tls_reloc_directive): Declare.
5074         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5075         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5076         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5077         (mips_lo_relocs, mips_hi_relocs): Make extern.
5078         (mips16_stub_function): Move up file.
5079         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5080         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
5081         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
5082         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5083         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
5084         (mips_get_tp): Add MIPS16 support.
5085         (mips_legitimize_tls_address): Remove MIPS16 sorry().
5086         Generalize DTPREL and TPREL handling.
5087         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5088         Add MIPS16 TLS support.
5089         (mips_output_tls_reloc_directive): New function.
5090         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5091         * config/mips/predicates.md (symbolic_operand_with_high)
5092         (tls_reloc_operand): New predicates.
5093         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5094         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5095         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5096         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
5097         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
5098         (*tls_get_tp_mips16_call_<mode>): Likewise.
5099
5100 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
5101
5102         PR rtl-optimization/51821
5103         * recog.c (peep2_find_free_register): Determine clobbered registers
5104         from insn pattern.
5105
5106 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
5107
5108         PR target/50925
5109         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5110         * config/avr/avr.c: Likewise.
5111         * config/avr/avr.h: Likewise.
5112
5113 2012-01-13  Ian Lance Taylor  <iant@google.com>
5114
5115         PR c++/50012
5116         * tree.h (TYPE_QUALS): Add cast to int.
5117         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
5118
5119 2012-01-13  Ian Lance Taylor  <iant@google.com>
5120
5121         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
5122         comparing param_index to VEC_length result.
5123
5124 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
5125
5126         * c-decl.c: Do not include tree-mudflap.h
5127         * tree-optimize.c: Likewise.
5128         * Makefile.in: Update dependencies.
5129
5130 2012-01-13  Richard Guenther  <rguenther@suse.de>
5131
5132         PR middle-end/8081
5133         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
5134         variable-sized result always use RSO.
5135
5136 2012-01-12  DJ Delorie  <dj@redhat.com>
5137
5138         * cfgexpand.c (convert_debug_memory_address): Allow any valid
5139         pointer type, not just the default pointer type.
5140
5141 2012-01-09  Richard Henderson  <rth@redhat.com>
5142             Denis Chertykov  <chertykov@gmail.com>
5143
5144         PR target/50925
5145         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
5146         * config/avr/avr.c (avr_can_eliminate): Simplify.
5147         (avr_initial_elimination_offset): Likewise.
5148         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
5149         (expand_epilogue): Likewise.
5150         (avr_legitimize_address): Gut.
5151         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
5152         (avr_hard_regno_nregs): New.
5153         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
5154         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
5155         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
5156         add soft frame pointer.
5157         (CALL_USED_REGISTERS): Likewise.
5158         (REG_CLASS_CONTENTS): Likewise.
5159         (REGISTER_NAMES): Likewise.
5160         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
5161         (HARD_FRAME_POINTER_REGNUM): New.
5162         (FRAME_POINTER_REGNUM): Use soft frame pointer.
5163         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
5164         remove the HARD_FRAME_POINTER self-elimination.
5165
5166 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
5167
5168         PR target/51756
5169         * config/avr/avr.c (avr_encode_section_info): Test for absence of
5170         DECL_EXTERNAL when checking for initializers of progmem variables.
5171
5172 2012-01-12  Ira Rosen  <irar@il.ibm.com>
5173
5174         PR tree-optimization/51799
5175         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
5176         that the last operation is a type demotion.
5177
5178 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
5179
5180         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
5181         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
5182
5183 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
5184
5185         PR bootstrap/51796
5186         * combine.c (distribute_notes): If i3 is a noreturn call,
5187         allow old_size to be equal to args_size and make sure the
5188         noreturn call gets REG_ARGS_SIZE note.
5189         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
5190         on noreturn calls even when the delta is 0.
5191
5192 2012-01-11  Nathan Sidwell  <nathan@acm.org>
5193
5194         * gcov.c (STRING_SIZE): Remove.
5195         (generate_results): Erase annotations for source files with no
5196         coverage information.
5197         (read_line): New.
5198         (output_lines): Use it.
5199
5200 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5201
5202         * gimple.h (gimplify_body): Remove first argument.
5203         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
5204         pointer set here, instead just pass DATA to walk_tree.
5205         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
5206         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
5207         (unvisit_body): Likewise, but with unmark_visited.
5208         (gimplify_body): Remove BODY_P argument and adjust.
5209         (gimplify_function_tree): Adjust call to gimplify_body.
5210         * omp-low.c (finalize_task_copyfn): Likewise.
5211
5212 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5213
5214         * tree.h (build_function_decl_skip_args): Add boolean parameter.
5215         (build_function_type_skip_args): Delete.
5216         * tree.c (build_function_type_skip_args): Make static and add
5217         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
5218         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
5219         pass it to build_function_type_skip_args.
5220         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
5221         (tree_function_versioning): Likewise.
5222         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
5223         build_function_decl_skip_args.
5224         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
5225         and pass it to build_function_decl_skip_args/tree_function_versioning.
5226         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
5227         * ipa-inline-transform.c (save_inline_function_body): Likewise.
5228         * trans-mem.c (ipa_tm_create_version): Likewise.
5229         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
5230         * tree-inline.c (declare_return_variable): Remove always-true test.
5231         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
5232         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
5233         * ipa-split.c (split_function): Skip the return value for the split
5234         part if it doesn't return.
5235
5236 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5237
5238         PR tree-optimization/49642
5239         * ipa-split.c (forbidden_dominators): New variable.
5240         (check_forbidden_calls): New function.
5241         (dominated_by_forbidden): Likewise.
5242         (consider_split): Check for forbidden dominators.
5243         (execute_split_functions): Initialize and free forbidden
5244         dominators info; call check_forbidden_calls.
5245
5246 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5247
5248         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
5249
5250 2012-01-11  Nick Clifton  <nickc@redhat.com>
5251
5252         * config/rx/rx.md (return): Define pattern.
5253
5254 2012-01-11  Richard Guenther  <rguenther@suse.de>
5255
5256         * doc/extend.texi (malloc attribute): Adjust according to
5257         implementation.
5258
5259 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
5260             Patrick Marlier  <patrick.marlier@gmail.com>
5261
5262         PR middle-end/51516
5263         * trans-mem.c (get_cg_data): Traverse aliases if requested.
5264         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
5265         (ipa_tm_note_irrevocable): Same.
5266         (ipa_tm_scan_irr_block): Same.
5267         (ipa_tm_decrement_clone_counts): Same.
5268         (ipa_tm_scan_irr_function): Same.
5269         (ipa_tm_create_version_alias): Same.
5270         (ipa_tm_create_version): Same.
5271         (ipa_tm_transform_calls_redirect): Same.
5272         (ipa_tm_transform_calls): Same.
5273         (ipa_tm_transform_transaction): Same.
5274         (ipa_tm_execute): Same.
5275
5276 2012-01-10  Richard Guenther  <rguenther@suse.de>
5277
5278         PR middle-end/51806
5279         * opts.c (common_handle_option): Handle -Werror.
5280
5281 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
5282
5283         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
5284         operand number.
5285
5286 2012-01-10  Jason Merrill  <jason@redhat.com>
5287
5288         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
5289         information.
5290
5291 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5292
5293         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
5294         supports R_386_TLS_GD_PLT reloc.
5295         (gcc_cv_as_ix86_tlsldmplt): Check if linker
5296         supports R_386_TLS_LDM_PLT reloc.
5297         * configure: Regenerate.
5298         * config.in: Regenerate.
5299
5300 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
5301
5302         PR target/49868
5303         Extend __pgmx semantics to linearize memory.
5304         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
5305         determine if code comes inline or from libgcc.
5306         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
5307         (movmem_qi, movmem_qi): Set constraint #2 to "n".
5308         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
5309         (movmemx_qi, movmemx_hi): New insns.
5310         (xload_<mode>_libgcc): Rewrite to new insn condition.
5311         (xload_<mode>): Remove insns.
5312         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
5313         cases that don't satisfy avr_xload_libgcc_p().
5314         (avr_addr_space_convert): Allow converting in any direction.
5315         (avr_addr_space_subset_p): Return always true.
5316         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
5317         (avr_emit_movmemhi): Ditto.
5318         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
5319         (avr_out_movmem): Ditto.
5320         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
5321         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
5322         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
5323         (avr_encode_section_info): Encode 'progmem' in symbol flags.
5324         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
5325
5326 2012-01-10  Richard Guenther  <rguenther@suse.de>
5327
5328         PR tree-optimization/50913
5329         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
5330         Require data-refs to be representable by Graphite with respect
5331         to any loop nest.
5332
5333 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
5334
5335         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
5336         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
5337
5338 2012-01-10  Tom de Vries  <tom@codesourcery.com>
5339
5340         PR rtl-optimization/51271
5341         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
5342         handling annulled branch.
5343
5344 2012-01-10  Richard Henderson  <rth@redhat.com>
5345
5346         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
5347         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
5348         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
5349         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
5350         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
5351         arm_expand_vec_perm_const): New.
5352         * config/arm/arm-protos.h: Update.
5353         * config/arm/neon.md (UNSPEC_VCONCAT): New.
5354         (*neon_vswp<VDQX>): New.
5355         (neon_vcombine<VDX>): Use neon_split_vcombine.
5356         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
5357         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
5358         (vec_perm<VE>): New.
5359
5360 2012-01-10  Richard Henderson  <rth@redhat.com>
5361
5362         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
5363         use it if reload_completed.
5364         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
5365         arm_output_asm_insn, arm_process_output_memory_barrier,
5366         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
5367         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
5368         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
5369         arm_process_output_sync_insn, arm_output_sync_insn,
5370         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
5371         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
5372         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
5373         (emit_unlikely_jump): New.
5374         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
5375         (arm_split_atomic_op): New.
5376         * config/arm/arm-protos.h: Update.
5377         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
5378         (struct arm_sync_generator): Remove.
5379         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
5380         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
5381         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
5382         (VUNSPEC_LL, VUNSPEC_SC): New.
5383         (sync_result, sync_memory, sync_required_value, sync_new_value,
5384         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
5385         (attr length): Don't use arm_sync_loop_insns.
5386         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
5387         (movsfcc, movdfcc): Likewise.
5388         * config/arm/constraints.md (Ua): New.
5389         * config/arm/prediates.md (mem_noofs_operand): New.
5390         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
5391         (sync_clobber, sync_t2_reqd): Remove.
5392         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
5393         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
5394         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
5395         (arm_sync_compare_and_swap<SIDI>): Remove.
5396         (arm_sync_compare_and_swap<NARROW>): Remove.
5397         (arm_sync_lock_test_and_set<SIDI>): Remove.
5398         (arm_sync_lock_test_and_set<NARROW>): Remove.
5399         (arm_sync_new_<syncop><SIDI>): Remove.
5400         (arm_sync_new_<syncop><NARROW>): Remove.
5401         (arm_sync_new_nand<SIDI>): Remove.
5402         (arm_sync_new_nand<NARROW>): Remove.
5403         (arm_sync_old_<syncop><SIDI>): Remove.
5404         (arm_sync_old_<syncop><NARROW>): Remove.
5405         (arm_sync_old_nand<SIDI>): Remove.
5406         (arm_sync_old_nand<NARROW>): Remove.
5407         (*memory_barrier): Merge arm_output_memory_barrier.
5408         (atomic_compare_and_swap<QHSD>): New.
5409         (atomic_compare_and_swap<NARROW>_1): New.
5410         (atomic_compare_and_swap<SIDI>_1): New.
5411         (atomic_exchange<QHSD>): New.
5412         (cas_cmp_operand, cas_cmp_str): New.
5413         (atomic_op_operand, atomic_op_str): New.
5414         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
5415         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
5416         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
5417         (arm_load_exclusive<NARROW>): New.
5418         (arm_load_exclusivesi, arm_load_exclusivedi): New.
5419         (arm_store_exclusive<QHSD>): New.
5420
5421 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5422
5423         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
5424         reload patterns if -mvsx-scalar-memory.
5425
5426         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
5427         generated, even -mno-vsx-scalar-double was used.
5428         (vsx_xscvdpsp_scalar): Likewise.
5429         (vsx_xscvspdp_scalar2): Likewise.
5430
5431 2012-01-09  Tom de Vries  <tom@codesourcery.com>
5432             Andrew Pinski  <apinski@cavium.com>
5433
5434         PR debug/51471
5435         * reorg.c (fill_slots_from_thread): Don't speculate
5436         frame-related insns.
5437
5438 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
5439
5440         * sched-int.h (bb_note): Move to...
5441         * basic-block.h: ...here.
5442         * haifa-sched.c (bb_note): Move to...
5443         * cfgrtl.c: ...here.
5444         * function.c (next_block_for_reg): New function.
5445         (move_insn_for_shrink_wrap): Likewise.
5446         (prepare_shrink_wrap): Rewrite to use the above.
5447
5448 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
5449
5450         * gimple.c (is_gimple_non_addressable): Remove.
5451         * gimple.h: Remove is_gimple_non_addressable.
5452         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
5453         is_gimple_non_addressable.
5454         * trans-mem.c (expand_assign_tm): Same.
5455
5456 2012-01-09  Richard Guenther  <rguenther@suse.de>
5457
5458         PR tree-optimization/51775
5459         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
5460         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
5461
5462 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5463
5464         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
5465         tuning parameters.
5466         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
5467
5468 2012-01-09  Richard Guenther  <rguenther@suse.de>
5469
5470         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
5471
5472 2012-01-08  Jan Hubicka  <jh@suse.cz>
5473
5474         PR tree-optimize/51680
5475         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
5476         on when known_vals needs to be computed; cleanup.
5477
5478 2012-01-08  Jan Hubicka  <jh@suse.cz>
5479
5480         PR tree-optimize/51694
5481         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
5482
5483 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
5484
5485         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
5486         for -std=c++98 and -std=c++11 too.
5487
5488 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
5489
5490         * cfgloop.c (cancel_loop): Add free() of bbs array.
5491
5492 2012-01-07  Jan Hubicka  <jh@suse.cz>
5493
5494         PR tree-optimization/51600
5495         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
5496         that benefits small functions.
5497
5498 2012-01-07  Jan Hubicka  <jh@suse.cz>
5499
5500         * ipa-inline.c (want_inline_small_function_p): Fix formating.
5501
5502 2012-01-07  Jan Hubicka  <jh@suse.cz>
5503
5504         PR tree-optimization/51680
5505         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
5506         whose inlining reduce unit size.
5507
5508 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
5509
5510         PR bootstrap/51725
5511         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
5512         Add canonical node to containing_mem chain after the non-canonical
5513         one, even if there weren't any locs to propagate.
5514         (remove_useless_values): Keep only canonical values.
5515         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
5516         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
5517         canonicalize mem_chain elements that are not discarded.
5518
5519 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
5520
5521         PR target/47333
5522         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
5523         before emitting functions.
5524
5525         PR gcov-profile/50127
5526         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
5527         clear_aux_for_blocks.
5528
5529 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
5530
5531         PR debug/51746
5532         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
5533
5534 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
5535
5536         * c-decl.c (ext_block): Moved up.
5537         (collect_all_refs, for_each_global_decl): Take ext_block into account.
5538
5539 2012-01-06  Han Shen  <shenhan@google.com>
5540
5541         Translate built-in include paths for sysroot.
5542         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
5543         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
5544
5545         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
5546         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
5547
5548         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
5549         control whether sysroot should be prepended to gxx include dir.
5550
5551         * configure: Regenerate.
5552
5553 2012-01-06  Torvald Riegel  <triegel@redhat.com>
5554
5555         PR rtl-optimization/51771
5556         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
5557         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
5558
5559 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5560
5561         PR tree-optimization/51315
5562         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
5563         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
5564
5565 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
5566
5567         PR target/51681
5568         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
5569         for shrp pattern.  Correctly handle and fixup shift variable.
5570         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
5571
5572 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5573
5574         PR debug/51762
5575         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
5576         note when !ACCUMULATE_OUTGOING_ARGS.
5577
5578 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5579
5580         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
5581         condition.
5582         (extract_range_from_unary_expr_1): Avoid useless computations.
5583
5584 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5585
5586         PR rtl-optimization/51767
5587         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
5588         of jump_block and add an extra edge for degenerated asm gotos.
5589
5590         PR middle-end/51768
5591         * stmt.c (check_unique_operand_names): Don't ICE during error
5592         reporting if i is from labels chain.
5593
5594         PR middle-end/44777
5595         * profile.c (branch_prob): Split bbs that have exit edge
5596         and need a fake entry edge too.
5597
5598 2012-01-05  Jan Hubicka  <jh@suse.cz>
5599
5600         PR middle-end/49710
5601         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
5602         unlooping loops.
5603
5604 2012-01-05  Richard Guenther  <rguenther@suse.de>
5605
5606         PR lto/50490
5607         * tree-streamer-out.c (write_ts_optimization): New function.
5608         (streamer_write_tree_body): Call it.
5609         * tree-streamer-in.c (lto_input_ts_optimization): New function.
5610         (streamer_read_tree_body): Call it.
5611         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
5612
5613 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5614
5615         PR middle-end/51761
5616         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
5617         * gimplify.c (gimplify_cleanup_point_expr): Save and set
5618         in_cleanup_point_expr before gimplify_stmt call and restore it
5619         afterwards.
5620         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5621         in_cleanup_point_expr is false.
5622
5623 2012-01-05  Richard Guenther  <rguenther@suse.de>
5624
5625         PR middle-end/51764
5626         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5627         to c.opt.
5628         * toplev.c (process_options): Reject combining mudflap and LTO.
5629         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5630
5631 2012-01-05  Richard Guenther  <rguenther@suse.de>
5632
5633         PR tree-optimization/51760
5634         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5635         not VARYING.
5636         (bit_value_unop): Handle UNDEFINED operands.
5637         (bit_value_binop): Likewise.
5638
5639 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5640
5641         * config/avr/avr.c (avr_replace_prefix): Remove.
5642         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5643         (avr_asm_function_rodata_section): Ditto.
5644         (avr_asm_select_section): Ditto.
5645
5646 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5647
5648         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5649         insertion.
5650
5651 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5652
5653         PR bootstrap/51648
5654         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5655         calls that have any non-fake successor edges.
5656
5657         PR debug/51746
5658         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5659
5660 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5661
5662         PR tree-optimization/51624
5663         * tree-sra.c (build_ref_for_model): When replicating a chain of
5664         COMPONENT_REFs, stop as soon as the offset would become negative.
5665
5666 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5667
5668         PR debug/51695
5669         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5670         in .debug_loc on the floor.
5671
5672 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5673
5674         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5675
5676 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5677             Adam Nemet  <anemet@caviumnetworks.com>
5678
5679         * config/mips/mips.md (size): Add SI and DI.
5680         (SIZE): New mode attribute.
5681         (U): New code attribute.
5682         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5683         (mips_lbux_<mode>): Delete.
5684         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5685         (mips_lhx): Use gen_mips_lhx_extsi.
5686         (mips_lhx_<mode>): Delete.
5687         (mips_lwx): Delete.
5688         (mips_l<size>x): New expand.
5689         (mips_lwx_<mode>): Delete.
5690         (mips_l<GPR:size>x_<P:mode>): New pattern.
5691         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5692         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5693         * config/mips/mips.c (mips_lx_address_p): New function.
5694         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5695         (dsp64): New availability predicate.
5696         (mips_builtins): Add an entry for __builtin_mips_ldx.
5697         * config/mips/mips.h (ISA_HAS_LBX): New define.
5698         (ISA_HAS_LBUX): Likewise.
5699         (ISA_HAS_LHX): Likewise.
5700         (ISA_HAS_LHUX): Likewise.
5701         (ISA_HAS_LWX): Likewise.
5702         (ISA_HAS_LWUX): Likewise.
5703         (ISA_HAS_LDX): Likewise.
5704         * doc/extend.texi (__builtin_mips_ldx): Document.
5705
5706 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5707
5708         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5709         when long pointers are used.
5710         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5711         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5712         (ia64-hp-*vms*): Remove.
5713         * config/vms/xm-vms64.h: Delete.
5714
5715 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5716
5717         PR middle-end/51472
5718         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5719
5720 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5721
5722         * opts.c (finish_options): Remove duplicate sorry.
5723
5724 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5725
5726         PR middle-end/51696
5727         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5728         correctly.
5729
5730 2012-01-04  Richard Guenther  <rguenther@suse.de>
5731
5732         PR middle-end/51750
5733         * tree.c (size_low_cst): New function.
5734         * tree.h (size_low_cst): Declare.
5735         * fold-const.c (fold_comparison): Use it to extract the low
5736         part of the POINTER_PLUS_EXPR offset.
5737
5738 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5739
5740         Fix clearing ZERO_REG
5741         * config/avr/avr.md (cc): Add alternative "ldi".
5742         (movqi_insn): Use it in cc attribute.
5743         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5744         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5745         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5746
5747 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5748
5749         * configure: Regenerate.
5750
5751 2012-01-04  Richard Guenther  <rguenther@suse.de>
5752
5753         PR tree-optimization/49651
5754         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5755         (var_can_have_subvars): Use it.
5756         (get_constraint_for_1): Only consider subfields if there can be any.
5757
5758 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5759
5760         PR bootstrap/51725
5761         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5762         to its new canonical_cselib_val and the cselib_val was in
5763         first_containing_mem chain, but the canonical_cselib_val was not,
5764         add the latter into the chain.
5765         (cselib_invalidate_mem): Compare canonical_cselib_val of
5766         addr_list chain elt with v.
5767
5768         PR pch/51722
5769         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5770         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5771         of xstrdup.
5772         (output_macinfo_op): Don't ggc_strdup fd->filename.
5773         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5774         then ggc_strdup it.  Don't free inc->info or cur->info.
5775         (output_macinfo): Don't free ref->info or file->info.
5776
5777 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5778
5779         PR tree-optimization/51269
5780         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5781         first_niters a pointer.
5782         (slpeel_tree_peel_loop_to_edge): Likewise.
5783         (vect_do_peeling_for_loop_bound): Update call to
5784         slpeel_tree_peel_loop_to_edge.
5785         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5786         here.  Remove it from the parameters list.
5787         (vect_do_peeling_for_alignment): Update calls and compute
5788         wide_prolog_niters.
5789
5790 2012-01-03  Richard Guenther  <rguenther@suse.de>
5791
5792         PR tree-optimization/51070
5793         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5794         Properly handle calls.
5795
5796 2012-01-03  Richard Guenther  <rguenther@suse.de>
5797
5798         PR tree-optimization/51692
5799         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5800         the LHS of allocation stmts.
5801
5802 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5803
5804         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5805
5806 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5807
5808         * collect2.c (main): In AIX specific computations for vector
5809         insertions, use CONST_CAST2 to cast from char ** to const char **.
5810
5811 2012-01-03  Richard Guenther  <rguenther@suse.de>
5812
5813         PR debug/51650
5814         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5815         the context of a limbo DIE when it does not already exist.
5816
5817 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5818
5819         PR tree-optimization/51719
5820         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5821         but direct call is, clear direct call's lhs and don't add fallthrough
5822         edge from dcall_bb to join_bb and PHIs.
5823
5824 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5825
5826         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5827         the instructions emitted by the pattern.
5828         ("*TDC_insn_<mode>"): Add comment.
5829
5830 2012-01-03  Richard Guenther  <rguenther@suse.de>
5831
5832         PR middle-end/51730
5833         * fold-const.c (fold_comparison): Properly canonicalize
5834         tree offset and HOST_WIDE_INT bit position.
5835
5836 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5837
5838         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5839         operands for extzv pattern.
5840
5841 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5842
5843         PR bootstrap/51725
5844         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5845         on mem_elt first.
5846
5847 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5848
5849         * doc/invoke.texi (-flto and related options): Copy-edit.
5850
5851 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5852
5853         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5854
5855 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5856
5857         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5858         New patterns.
5859
5860 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5861
5862         * expr.h (move_by_pieces_ninsns): Declare.
5863         * expr.c (move_by_pieces_ninsns): Make external.
5864         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5865         (mips_store_by_pieces_p): Likewise.
5866         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5867         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5868         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5869         (mips_store_by_pieces_p): Likewise.
5870
5871 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5872
5873         * passes.c (register_one_dump_file): Free full_name.
5874
5875         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5876         (calculate_elim_costs_all_insns): Free offsets_at and
5877         offsets_known_at at the end and clear the pointers.
5878
5879 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5880
5881         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5882         this option introduced in r180739.
5883
5884 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5885
5886         PR target/51345
5887         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5888         (tmake_file target=avr): Add avr/t-multilib.
5889
5890         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5891         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5892         * config/avr/genmultilib.awk: New file.
5893         * config/avr/t-multilib: New auto-generated file.
5894         * config/avr/multilib.h: New auto-generated file.
5895         * config/avr/t-avr (AVR_MCUS): New variable.
5896         (genopt.sh): Use it.
5897         (s-mlib): Depend on t-multilib.
5898         (t-multilib, multilib.h): New dependencies.
5899         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5900         (MULTILIB_OPTIONS): Remove.
5901         (MULTILIB_MATCHES): Remove.
5902         (MULTILIB_DIRNAMES): Remove.
5903         (MULTILIB_EXCEPTIONS): Remove:
5904         * config/avr/genopt.sh: Don't use hard coded file name;
5905         pass AVR_MCUS from t-avr instead.
5906
5907 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5908
5909         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5910
5911 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5912
5913         Implement light-weight DImode support.
5914         * config/avr/avr-dimode.md: New file.
5915         * config/avr/avr.md: Include it.
5916         (adjust_len): Add plus64, compare64.
5917         (HIDI): Remove code iterator.
5918         (code_stdname): New code attribute.
5919         (rotx, rotsmode): Remove DI.
5920         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5921         as code iterator.
5922         * config/avr/avr-protos.h (avr_have_dimode): New.
5923         (avr_out_plus64, avr_out_compare64): New.
5924         * config/avr/avr.c (avr_out_compare): Handle DImode.
5925         (avr_have_dimode): New variable definition and initialization.
5926         (avr_out_compare64, avr_out_plus64): New functions.
5927         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5928         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5929         (avr_compare_pattern): Skip DImode comparisons.
5930
5931 2012-01-02  Revital Eres  <revital.eres@linaro.org>
5932
5933         * ddg.c (def_has_ccmode_p): New function.
5934         (add_cross_iteration_register_deps,
5935         create_ddg_dep_from_intra_loop_link): Call it.
5936
5937 2012-01-02  Richard Guenther  <rguenther@suse.de>
5938
5939         PR other/51679
5940         * invoke.texi (fassociative-math): Remove spurious paranthesis.
5941
5942 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5943
5944         * gcc.c (process_command): Update copyright notice dates.
5945         * gcov.c (print_version): Likewise.
5946         * gcov-dump.c (print_version): Likewise.
5947         * mips-tfile.c (main): Likewise.
5948         * mips-tdump.c (main): Likewise.
5949
5950 2012-01-01  Ira Rosen  <irar@il.ibm.com>
5951
5952         PR tree-optimization/51704
5953         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5954         a use is inside the basic block or loop before accessing its vect info.
5955
5956 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
5957
5958         PR rtl-optimization/51069
5959         * cfgloopmanip.c (remove_path): Removing path making irreducible
5960         region unconditional makes BB part of the region.
5961
5962 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5963
5964         PR tree-optimization/51683
5965         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5966         calls with side-effects.
5967         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5968 \f
5969 Copyright (C) 2012 Free Software Foundation, Inc.
5970
5971 Copying and distribution of this file, with or without modification,
5972 are permitted in any medium without royalty provided the copyright
5973 notice and this notice are preserved.