gcc/ChangeLog

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