gcc/ChangeLog

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