gcc/ChangeLog

   1 2016-12-12  Bernd Schmidt  <bschmidt@redhat.com>
   2
   3         Backport from mainline
   4         2016-11-07  Bernd Schmidt  <bschmidt@redhat.com>
   5
   6         PR rtl-optimization/77309
   7         * combine.c (make_compound_operation): Allow EQ for IN_CODE, and
   8         don't assume an equality comparison for plain COMPARE.
   9         (simplify_comparison): Pass a more accurate code to
  10         make_compound_operation.
  11
  12 2016-12-12 Thomas Preud'homme <thomas.preudhomme@arm.com>
  13
  14         Backport from mainline
  15         2016-11-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
  16
  17         PR target/77904
  18         * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer
  19         in save register mask if it is needed.
  20
  21 2016-12-11  Iain Sandoe  <iain@codesourcery.com>
  22
  23         Backport from mainline
  24         2016-11-27  Iain Sandoe  <iain@codesourcery.com>
  25                     Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  26
  27         PR target/67710
  28         * config.in: Regenerate
  29         * config/darwin-driver.c (darwin_driver_init): Emit a version string
  30         for the assembler.
  31         * config/darwin.h(ASM_MMACOSX_VERSION_MIN_SPEC): New, new tests.
  32         * config/darwin.opt(asm_macosx_version_min): New.
  33         * config/i386/darwin.h: Handle ASM_MMACOSX_VERSION_MIN_SPEC.
  34         * configure: Regenerate
  35         * configure.ac: Check for mmacosx-version-min handling.
  36
  37 2016-12-11  Iain Sandoe  <iain@codesourcery.com>
  38
  39         Backport from mainline
  40         2016-11-27  Iain Sandoe  <iain@codesourcery.com>
  41
  42         PR target/57438
  43         * config/i386/i386.c (ix86_code_end): Note that we emitted code
  44         where the function might otherwise appear empty for picbase thunks.
  45         (ix86_output_function_epilogue): If we find a zero-sized function
  46         assume that reaching it is UB and trap.  If we find a trailing label
  47         append a nop.
  48         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): If we
  49         find a zero-sized function assume that reaching it is UB and trap.
  50         If we find a trailing label, append a nop.
  51
  52 2016-12-11 Iain Sandoe  <iain@codesourcery.com>
  53
  54         Backport from mainline
  55         2016-11-27  Iain Sandoe  <iain@codesourcery.com>
  56
  57         PR target/71767
  58         * config/darwin-sections.def (picbase_thunk_section): New.
  59         * config/darwin.c (darwin_init_sections): Set up picbase thunk
  60         section. (darwin_rodata_section, darwin_objc2_section,
  61         machopic_select_section, darwin_asm_declare_constant_name,
  62         darwin_emit_weak_or_comdat, darwin_function_section): Don’t use
  63         coalesced with newer linkers.
  64         (darwin_override_options): Decide on usage of coalesed sections
  65         on the basis of the target linker version.
  66         * config/darwin.h (MIN_LD64_NO_COAL_SECTS): New.
  67         * config/darwin.opt  (mtarget-linker): New.
  68         * config/i386/i386.c (ix86_code_end): Do not force the thunks into
  69         a coalesced section, instead use a thunks section.
  70
  71         Backport from mainline
  72         2016-11-28  Iain Sandoe  <iain@codesourcery.com>
  73
  74         PR target/71767
  75         * configure.ac (with_ld64): Use portable method to extract the
  76         major part of the version number.
  77         * configure: Regenerated.
  78
  79         Backport from mainline
  80         2016-11-27  Iain Sandoe  <iain@codesourcery.com>
  81
  82         PR target/71767
  83         * configure.ac (with-ld64): New var, set for Darwin, set on
  84         detection of ld64, gcc_cv_ld64_export_dynamic: New, New test.
  85         * config/darwin.h: Use LD64_HAS_DYNAMIC export. DEF_LD64: New,
  86         define.
  87         * config/darwin10.h(DEF_LD64): Update for this target version.
  88         * config/darwin12.h(LINK_GCC_C_SEQUENCE_SPEC): Remove rdynamic
  89         test.  (DEF_LD64): Update for this target version.
  90         * configure: Regenerated.
  91         * config.in: Regenerated.
  92
  93         Backport from mainline
  94         2016-11-27  Iain Sandoe  <iain@codesourcery.com>
  95
  96         PR target/71767
  97         * config/darwin.c (imachopic_indirection_name): Make data
  98         section indirections linker-visible.
  99         * config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make local
 100         constant labels linker-visible.
 101
 102 2016-12-09  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 103
 104         Backport from mainline
 105         2016-11-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 106
 107         PR target/77933
 108         * config/arm/arm.c (thumb1_expand_prologue): Distinguish between lr
 109         being live in the function and lr needing to be saved.  Distinguish
 110         between already saved pushable registers and registers to push.
 111         Check for LR being an available pushable register.
 112
 113 2016-12-09  Nathan Sidwell  <nathan@acm.org>
 114
 115         PR C++/78550
 116         * convert.c (convert_to_integer_1): Maybe fold conversions to
 117         integral types with fewer bits than its mode.
 118
 119 2016-12-09  Richard Biener  <rguenther@suse.de>
 120
 121         Backport from mainline
 122         2016-11-09  Richard Biener  <rguenther@suse.de>
 123
 124         * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
 125         Look at the DR_BASE_ADDRESS object for forcing alignment.
 126
 127         2016-11-07  Richard Biener  <rguenther@suse.de>
 128
 129         PR tree-optimization/78189
 130         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Fix
 131         alignment computation.
 132
 133 2016-12-09  Richard Biener  <rguenther@suse.de>
 134
 135         Backport from mainline
 136         2016-11-28  Richard Biener  <rguenther@suse.de>
 137
 138         PR tree-optimization/78542
 139         * tree-ssa-ccp.c (evaluate_stmt): Only valueize simplification
 140         if allowed.
 141
 142         2016-11-23  Richard Biener  <rguenther@suse.de>
 143
 144         PR tree-optimization/78482
 145         * tree-cfgcleanup.c: Include tree-ssa-loop-niter.h.
 146         (remove_forwarder_block_with_phi): When merging with a loop
 147         header creates a new latch reset number of iteration information
 148         of the loop.
 149
 150         2016-11-23  Richard Biener  <rguenther@suse.de>
 151
 152         PR middle-end/71762
 153         * match.pd ((~X & Y) -> X < Y, (X & ~Y) -> Y < X,
 154         (~X | Y) -> X <= Y, (X | ~Y) -> Y <= X): Remove.
 155
 156         2016-11-11  Richard Biener  <rguenther@suse.de>
 157
 158         PR tree-optimization/71575
 159         * graphite-isl-ast-to-gimple.c (copy_cond_phi_nodes): Remove
 160         bogus assert.
 161
 162         2016-11-07  Richard Biener  <rguenther@suse.de>
 163
 164         PR tree-optimization/78224
 165         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
 166         Split the fallthru edge in case its successor may have PHIs.
 167
 168         2016-11-05  David Edelsohn  <dje.gcc@gmail.com>
 169                 Richard Biener  <rguenther@suse.de>
 170
 171         PR bootstrap/78188
 172         PR c++/71848
 173         * ipa-comdats.c (pass_ipa_comdats::gate): Require HAVE_COMDAT_GROUP.
 174
 175         2016-09-20  Richard Biener  <rguenther@suse.de>
 176
 177         PR tree-optimization/77646
 178         * tree-ssa-sccvn.c (visit_reference_op_call): Always value-number
 179         a VDEF.
 180
 181 2016-12-07  Segher Boessenkool  <segher@kernel.crashing.org>
 182
 183         Backport from mainline
 184         2016-11-12  Segher Boessenkool  <segher@kernel.crashing.org>
 185
 186         PR target/77957
 187         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
 188         return early if !optional_tbtab.
 189
 190 2016-12-07  Jakub Jelinek  <jakub@redhat.com>
 191
 192         Backported from mainline
 193         2016-11-28  Jakub Jelinek  <jakub@redhat.com>
 194
 195         PR middle-end/78540
 196         * rtl.h (remove_reg_equal_equiv_notes): Return bool instead of void.
 197         * rtlanal.c (remove_reg_equal_equiv_notes): Return true if any
 198         note has been removed.
 199         * postreload.c (reload_combine_recognize_pattern): If
 200         remove_reg_equal_equiv_notes returns true, call df_notes_rescan.
 201
 202         PR rtl-optimization/78546
 203         * simplify-rtx.c (neg_const_int): When negating most negative
 204         number in mode wider than HOST_BITS_PER_WIDE_INT, use
 205         simplify_const_unary_operation to produce CONST_DOUBLE or
 206         CONST_WIDE_INT.
 207         (simplify_plus_minus): Hanlde the case where neg_const_int
 208         doesn't return a CONST_INT.
 209
 210         PR fortran/78298
 211         * tree-nested.c (convert_local_reference_stmt): After adding
 212         shared (FRAME.NN) clause to omp parallel, task or target,
 213         add it also to all outer omp parallel, task or target constructs.
 214
 215         2016-11-23  Jakub Jelinek  <jakub@redhat.com>
 216
 217         PR middle-end/69183
 218         * omp-low.c (build_outer_var_ref): Change lastprivate argument
 219         to code, pass it recursively, adjust uses.  For OMP_CLAUSE_PRIVATE
 220         on worksharing constructs, treat it like clauses on simd construct.
 221         Formatting fix.
 222         (lower_rec_input_clauses): For OMP_CLAUSE_PRIVATE_OUTER_REF pass
 223         OMP_CLAUSE_PRIVATE as last argument to build_outer_var_ref.
 224         (lower_lastprivate_clauses): Pass OMP_CLAUSE_LASTPRIVATE instead
 225         of true as last argument to build_outer_var_ref.
 226
 227         2016-11-22  Jakub Jelinek  <jakub@redhat.com>
 228
 229         PR middle-end/78416
 230         * expmed.c (expand_divmod): Use wide_int for computation of
 231         op1_is_pow2.  Don't set it if op1 is 0.  Formatting fixes.
 232         Use size <= HOST_BITS_PER_WIDE_INT instead of
 233         HOST_BITS_PER_WIDE_INT >= size.
 234
 235         2016-11-21  Jakub Jelinek  <jakub@redhat.com>
 236
 237         PR middle-end/67335
 238         * omp-simd-clone.c (simd_clone_adjust_argument_types): Use NULL prefix
 239         for tmp simd array if DECL_NAME (parm) is NULL.
 240
 241         2016-11-18  Jakub Jelinek  <jakub@redhat.com>
 242
 243         PR middle-end/78419
 244         * multiple_target.c (get_attr_len): Start with argnum and increment
 245         argnum on every arg.  Use strchr in a loop instead of counting commas
 246         manually.
 247         (get_attr_str): Increment argnum for every comma in the string.
 248         (separate_attrs): Use for instead of while loop, simplify.
 249         (expand_target_clones): Rename defenition argument to definition.
 250         Free attrs and attr_str even when diagnosing errors.  Temporarily
 251         change input_location around targetm.target_option.valid_attribute_p
 252         calls.  Don't emit warning or errors if that function fails.
 253
 254         2016-11-16  Jakub Jelinek  <jakub@redhat.com>
 255
 256         PR rtl-optimization/78378
 257         * combine.c (make_extraction): Use force_to_mode for non-{REG,MEM}
 258         inner only if pos is 0.  Fix up formatting.
 259
 260         PR fortran/78299
 261         * omp-low.c (expand_omp_for_static_nochunk): Don't assert
 262         that loop->header == body_bb if broken_loop.
 263
 264         2016-11-07  Jakub Jelinek  <jakub@redhat.com>
 265
 266         PR target/77834
 267         * dse.c (dse_step5): Call scan_reads even if just
 268         insn_info->frame_read.  Improve and fix dump file messages.
 269
 270         PR target/78227
 271         * config/i386/i386.c (ix86_expand_sse_cmp): Force dest into
 272         cmp_mode argument even for -O0 if cmp_mode != mode and maskcmp.
 273
 274         2016-11-04  Jakub Jelinek  <jakub@redhat.com>
 275
 276         PR target/77834
 277         * alias.c (nonoverlapping_memrefs_p): Return 0 if exprx or expry
 278         doesn't have rtl set.
 279
 280         2016-10-29  Jakub Jelinek  <jakub@redhat.com>
 281
 282         PR rtl-optimization/77919
 283         * expr.c (expand_expr_real_1) <normal_inner_ref>: Only avoid forcing
 284         into memory if both modes are complex and their inner modes have the
 285         same precision.  If the two modes are different complex modes, convert
 286         each part separately and generate a new CONCAT.
 287
 288         2016-10-28  Jakub Jelinek  <jakub@redhat.com>
 289
 290         PR rtl-optimization/77919
 291         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force CONCAT into
 292         MEM if mode1 is not a complex mode.
 293
 294         2016-10-27  Jakub Jelinek  <jakub@redhat.com>
 295
 296         PR middle-end/78025
 297         * omp-simd-clone.c (simd_clone_adjust): Handle noreturn declare simd
 298         functions.
 299
 300         2016-10-26  Jakub Jelinek  <jakub@redhat.com>
 301                     Martin Liska  <mliska@suse.cz>
 302
 303         PR fortran/77973
 304         * gimplify.c (gimplify_adjust_omp_clauses_1): For all added map
 305         clauses with OMP_CLAUSE_SIZE being a decl, call omp_notice_variable
 306         on outer context if any.
 307
 308         2016-10-05  Jakub Jelinek  <jakub@redhat.com>
 309
 310         PR sanitizer/66343
 311         * ubsan.c (ubsan_ids): New GTY(()) array.
 312         (ubsan_type_descriptor, ubsan_create_data): Use ubsan_ids
 313         instead of static local counters.
 314
 315         2016-09-22  Jakub Jelinek  <jakub@redhat.com>
 316
 317         PR fortran/77665
 318         * tree-inline.c (remap_gimple_stmt): Set has_simduid_loops
 319         for all IFN_GOMP_SIMD_* internal fns, not just for
 320         IFN_GOMP_SIMD_ORDERED_*.
 321
 322         2016-09-20  Jakub Jelinek  <jakub@redhat.com>
 323
 324         PR middle-end/77624
 325         * builtins.c (fold_builtin_atomic_always_lock_free): Only look through
 326         cast to void * if the cast is from some other pointer type.
 327
 328         2016-09-19  Jakub Jelinek  <jakub@redhat.com>
 329                     Jan Hubicka  <jh@suse.cz>
 330
 331         PR target/77587
 332         * cgraph.c (cgraph_node::rtl_info): Pass &avail to
 333         ultimate_alias_target call, return NULL if avail < AVAIL_AVAILABLE.
 334         Call ultimate_alias_target just once, not up to 4 times.
 335
 336 2016-12-07  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 337
 338         Backport from mainline
 339         2016-11-16  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 340
 341         * config/arm/arm.md (arm_addsi3): Add alternative for addition of
 342         general register with general register or ARM constant into SP
 343         register.
 344
 345 2016-12-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 346
 347         Backport from mainline
 348         2016-12-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 349                     Stefan Freudenberger  <stefan@reservoir.com>
 350
 351         PR tree-optimization/78646
 352         * gimple-ssa-strength-reduction.c (replace_ref): The pointer
 353         addition used for the memory base expression should have the type
 354         of the candidate.
 355
 356 2016-12-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 357
 358         Backport from mainline
 359         2016-09-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 360                     Michael Meissner  <meissner@linux.vnet.ibm.com>
 361
 362         PR target/72827
 363         * config/rs6000/rs6000.c (rs6000_legitimize_address): Avoid
 364         reg+reg addressing for TImode.
 365         (rs6000_legitimate_address_p): Only allow register indirect
 366         addressing for TImode, even without TARGET_QUAD_MEMORY.
 367
 368 2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 369
 370         Backport from mainline
 371         2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 372
 373         * config/s390/s390-modes.def (CCVEQANY, CCVH, CCVHANY, CCVHU)
 374         (CCVHUANY): Remove modes.
 375         (CCVIH, CCVIHU, CCVIALL, CCVIANY, CCVFALL, CCVFANY): Add modes and
 376         documentation.
 377         * config/s390/s390.c (s390_match_ccmode_set): Rename cc modes.
 378         (s390_expand_vec_compare_scalar): Pick one of the cc consumer
 379         modes.
 380         (s390_branch_condition_mask): Adjust to use the new cc consumer
 381         modes.  The new modes allow for proper reversal in the middle-end.
 382         (s390_expand_vec_compare_cc): Determine the proper cc producer and
 383         consumer modes for a comparison.
 384         * config/s390/s390.md: Rename CCVH to CCVIH and CCVHU to CCVIHU
 385         throughout the file.
 386         * config/s390/vx-builtins.md: Likewise.
 387
 388 2016-12-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 389
 390         Backport from mainline
 391         2016-12-01  Alan Modra  <amodra@gmail.com>
 392
 393         * gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
 394         look inside UNSPEC_VSX_XXSPLTW vec.
 395
 396 2016-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
 397
 398         Back port from trunk
 399         2016-11-17  Michael Meissner  <meissner@linux.vnet.ibm.com>
 400
 401         PR target/78101
 402         * config/rs6000/predicates.md (fusion_addis_mem_combo_load): Add
 403         the appropriate checks for SFmode/DFmode load/stores in GPR
 404         registers.
 405         (fusion_addis_mem_combo_store): Likewise.
 406         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Rename
 407         fusion_fpr_* to fusion_vsx_* and add in support for ISA 3.0 scalar
 408         d-form instructions for traditional Altivec registers.
 409         (emit_fusion_p9_load): Likewise.
 410         (emit_fusion_p9_store): Likewise.
 411         * config/rs6000/rs6000.md (p9 fusion store peephole2): Remove
 412         early clobber from scratch register.  Do not match if the register
 413         being stored is the scratch register.
 414         (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_load): Rename fusion_fpr_*
 415         to fusion_vsx_* and add in support for ISA 3.0 scalar d-form
 416         instructions for traditional Altivec registers.
 417         (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_load): Likewise.
 418         (fusion_vsx_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
 419         (fusion_fpr_<P:mode>_<FPR_FUSION:mode>_store): Likewise.
 420
 421 2016-12-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 422
 423         Backport from mainline
 424         2016-11-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 425
 426         PR target/48863
 427         PR inline-asm/70184
 428         * tree-ssa-ter.c (temp_expr_table): Add reg_vars_cnt field.
 429         (new_temp_expr_table): Initialise reg_vars_cnt.
 430         (free_temp_expr_table): Release reg_vars_cnt.
 431         (process_replaceable): Add reg_vars_cnt argument, set reg_vars_cnt
 432         field of TAB.
 433         (find_replaceable_in_bb): Use the above to record register variable
 434         write occurrences and cancel replacement across them.
 435
 436 2016-11-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 437
 438         Backported from mainline
 439         2016-11-19  Kaz Kojima  <kkojima@gcc.gnu.org>
 440
 441         PR target/78426
 442         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Use copy_to_mode_reg
 443         instead of force_reg.
 444         (sh_expand_setmem): Likewise.
 445
 446 2016-11-24  Eric Botcazou  <ebotcazou@adacore.com>
 447
 448         PR middle-end/78429
 449         * tree.h (wi::fits_to_boolean_p): New predicate.
 450         (wi::fits_to_tree_p): Use it for boolean types.
 451         * tree.c (int_fits_type_p): Likewise.
 452
 453 2016-11-24  Martin Liska  <mliska@suse.cz>
 454
 455         Backported from mainline
 456         2016-11-22  Martin Liska  <mliska@suse.cz>
 457
 458         PR ipa/78309
 459         * ipa-icf.c (void sem_item::set_hash): Update m_hash_set.
 460         (sem_function::get_hash): Use the new field.
 461         (sem_function::parse): Remove an argument from ctor.
 462         (sem_variable::parse): Likewise.
 463         (sem_variable::get_hash): Use the new field.
 464         (sem_item_optimizer::read_section): Use new ctor and set hash.
 465         * ipa-icf.h: _hash is removed from sem_item::sem_item,
 466         sem_variable::sem_variable, sem_function::sem_function.
 467
 468 2016-11-23  Uros Bizjak  <ubizjak@gmail.com>
 469
 470         * config/i386/i386.md (*<any_or:code>hi_1): Fix operand 2 constraints.
 471         (kxnor<mode>): Return "#" for alternative 0.
 472
 473 2016-11-23  Richard Biener  <rguenther@suse.de>
 474
 475         Backport from mainline
 476         2016-11-23  Richard Biener  <rguenther@suse.de>
 477
 478         PR lto/78472
 479         * tree.c (gimple_canonical_types_compatible_p): Ignore zero-sized
 480         fields.
 481
 482         2016-11-17  Richard Biener  <rguenther@suse.de>
 483
 484         PR middle-end/78305
 485         * fold-const.c (negate_expr_p): Fix multiplication case.
 486
 487         2016-11-16  Richard Biener  <rguenther@suse.de>
 488
 489         PR middle-end/78333
 490         * gimplify.c (gimplify_function_tree): Do not instrument
 491         GNU extern inline functions.
 492
 493         2016-11-07  Richard Biener  <rguenther@suse.de>
 494
 495         PR tree-optimization/78228
 496         * tree-ssa-phiopt.c (abs_replacement): Avoid introducing
 497         undefined behavior.
 498
 499         2016-11-04  Richard Biener  <rguenther@suse.de>
 500
 501         PR middle-end/78185
 502         * loop-invariant.c (find_exits): Record entering inner
 503         loops as possibly exiting to handle infinite sub-loops.
 504         * tree-ssa-loop-im.c: Include tree-ssa-loop-niter.h.
 505         (fill_always_executed_in_1): Honor infinite child loops.
 506
 507         2016-10-06  Richard Biener  <rguenther@suse.de>
 508
 509         PR tree-optimization/77855
 510         * tree-ssa-pre.c (prune_clobbered_mems): Queue exprs to remove
 511         instead of removing the current item while iterating over the set
 512         which is not safe.
 513
 514 2016-11-22  Walter Lee  <walt@tilera.com>
 515
 516         Backport from mainline
 517         2016-11-22  Walter Lee  <walt@tilera.com>
 518
 519         * config/tilegx/tilegx.md (trap): New pattern.
 520         * config/tilepro/tilepro.md (trap): Likewise.
 521
 522 2016-11-22  Walter Lee  <walt@tilera.com>
 523
 524         Backport from mainline
 525         2016-11-22  Walter Lee  <walt@tilera.com>
 526
 527         * config/tilegx/tilegx.md (*zero_extract): Use
 528         define_insn_and_split instead of define_insn; Handle pos + size >
 529         64.
 530         (*sign_extract): Likewise.
 531
 532 2016-11-22  Uros Bizjak  <ubizjak@gmail.com>
 533
 534         * Makefile.in ($(lang_checks_parallelized)): Fix detection
 535         of -j argument.
 536
 537 2016-11-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 538
 539         Backport from mainline
 540         2016-11-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 541
 542         PR target/77822
 543         * config/aarch64/aarch64.md (*tb<optab><mode>1): Use
 544         aarch64_simd_shift_imm_<mode> predicate for operand 1.
 545         (<optab>, ANY_EXTRACT): Use tighter predicates on operands 2 and 3
 546         to restrict them to an appropriate range and add FAIL check if the
 547         region they specify is out of range.  Delete useless constraint
 548         strings.
 549         (*<optab><mode>, ANY_EXTRACT): Add appropriate predicates on operands
 550         2 and 3 to restrict their range and add pattern predicate.
 551
 552 2016-11-18  Walter Lee  <walt@tilera.com>
 553
 554         Backport from mainline
 555         2016-11-18  Walter Lee  <walt@tilera.com>
 556
 557         * config/tilegx/tilegx.c (tilegx_gen_bundles): Preserve
 558           end-of-bundle marker for consecutive barriers.
 559
 560 2016-11-18  Walter Lee  <walt@tilera.com>
 561
 562         Backport from mainline
 563         2016-11-18  Walter Lee  <walt@tilera.com>
 564
 565         * config/tilegx/tilegx.md (clzsi2): Fix for big-endian.
 566
 567 2016-11-15  Matthias Klose  <doko@ubuntu.com>
 568
 569         * doc/install.texi: Move the 'Overriding configure test results'
 570         subsub section to the 'Cross-Compiler-Specific Options' sub section.
 571
 572 2016-11-13  Eric Botcazou  <ebotcazou@adacore.com>
 573
 574         * ipa-icf.c (sem_function::merge): Do not create a wrapper also if the
 575         original function needs a static chain.
 576
 577 2016-11-11  Uros Bizjak  <ubizjak@gmail.com>
 578
 579         PR target/78310
 580         * config/i386/i386.md (rotate to rotatex splitter): Avoid overflow
 581         when calculating operand 2.
 582         (rotate to rotatex zext splitter): Ditto.
 583
 584 2016-11-11  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 585
 586         PR target/77822
 587         * config/s390/s390.md ("extzv", "*extzv<mode>_zEC12")
 588         ("*extzv<mode>_z10"): Check validity of zero_extend arguments.
 589
 590 2016-11-09  Uros Bizjak  <ubizjak@gmail.com>
 591
 592         PR target/78262
 593         * config/i386/i386.md (*<shift_insn><mode>3_doubleword): Mark
 594         operand 0 as earlyclobber.
 595         (*ashl<mode>3_doubleword): Ditto for all operand 0 alternatives.
 596
 597 2016-11-07  Peter Bergner  <bergner@vnet.ibm.com>
 598
 599         Backport from trunk
 600         2016-11-07  Peter Bergner  <bergner@vnet.ibm.com>
 601
 602         * config.gcc (powerpc*-*-*, rs6000*-*-*): Remove setting of
 603         INCLUDE_EXTRA_SPEC for Advance Toolchain builds.
 604
 605 2016-11-06  Jack Howarth  <howarth.at.gcc@gmail.com>
 606
 607         PR driver/78206
 608         * incpath.c: (remove_dup(): Also silently ignore EPERM.
 609
 610 2016-11-07  Richard Biener  <rguenther@suse.de>
 611
 612         PR target/78229
 613         * config/i386/i386.c (ix86_gimple_fold_builtin): Do not adjust
 614         EH info.
 615
 616 2016-11-03  Martin Liska  <mliska@suse.cz>
 617
 618         Backport from mainline
 619         2016-08-12  Martin Liska  <mliska@suse.cz>
 620         Adam Fineman  <afineman@afineman.com>
 621
 622         * gcov.c (process_file): Create .gcov file when .gcda
 623         file is missing.
 624
 625 2016-11-03  Richard Biener  <rguenther@suse.de>
 626
 627         Backport from mainline
 628         2016-09-29  Richard Biener  <rguenther@suse.de>
 629
 630         PR tree-optimization/77768
 631         * tree-ssa-sccvn.c (visit_reference_op_store): Properly deal
 632         with stores to a place we know has a constant value.
 633         * tree-vrp.c (set_defs_to_varying): New helper avoiding
 634         writing to vr_const_varying.
 635         (vrp_initialize): Call it.
 636         (vrp_visit_stmt): Likewise.
 637         (evrp_dom_walker::before_dom_children): Likewise.
 638         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
 639         Handle stores to readonly memory when removing redundant stores.
 640
 641 2016-11-03  Eric Botcazou  <ebotcazou@adacore.com>
 642
 643         Backport from mainline
 644         2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>
 645
 646         * explow.c (validize_mem): Do not modify the argument in-place.
 647
 648 2016-11-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
 649
 650         Backport from trunk
 651         2016-10-26  Will Schmidt <will_schmidt@vnet.ibm.com>
 652
 653         PR middle-end/72747
 654         * gimplify.c (gimplify_init_constructor): Move emit of constructor
 655         assignment to earlier in the if/else logic.
 656
 657 2016-11-02  Richard Biener  <rguenther@suse.de>
 658
 659         Backport from mainline
 660         2016-11-02  Richard Biener  <rguenther@suse.de>
 661
 662         PR tree-optimization/78047
 663         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Initialize
 664         fake field at offset zero conservatively regarding to may_have_pointers.
 665
 666         2016-10-07  Richard Biener  <rguenther@suse.de>
 667
 668         PR tree-optimization/77879
 669         * tree-ssa-structalias.c (handle_const_call): Properly handle
 670         NRV return slots.
 671         (handle_pure_call): Likewise.
 672
 673         2016-10-06  Richard Biener  <rguenther@suse.de>
 674
 675         PR tree-optimization/77839
 676         * tree-ssa-sccvn.c (set_ssa_val_to): Forbid value -> constant value
 677         lattice transition.
 678
 679         2016-09-27  Richard Biener  <rguenther@suse.de>
 680
 681         PR tree-optimization/77745
 682         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
 683         When removing redundant stores make sure to check compatibility
 684         of the TBAA state for downstream accesses.
 685         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise for when
 686         value-numbering virtual operands for store matches.
 687
 688         2016-09-21  Richard Biener  <rguenther@suse.de>
 689
 690         PR tree-optimization/77648
 691         * tree-ssa-structalias.c (process_constraint): Handle all DEREF
 692         with complex RHS.
 693         (make_transitive_closure_constraints): Adjust comment.
 694         (make_any_offset_constraints): New function.
 695         (handle_rhs_call): Make sure to first expand a pointer to all
 696         subfields before transitively closing it.
 697         (handle_const_call): Likewise.  Properly expand returned
 698         pointers as well.
 699         (handle_pure_call): Likewise.
 700
 701 2016-11-01  John David Anglin  <danglin@gcc.gnu.org>
 702
 703         PR target/78166
 704         * config/pa/pa.md: Add new shift/add patterns to handle
 705         (plus (mult (reg) (mem_shadd_operand)) (reg)) source operand.
 706
 707 2016-11-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 708
 709         Backport from mainline
 710         2016-10-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 711
 712         PR rtl-optimization/78038
 713         * ree.c (get_defs): Return NULL if a defining insn for REG cannot
 714         be deduced to set REG through the RTL structure.
 715         (make_defs_and_copies_lists): Return false on a failing get_defs call.
 716
 717 2016-10-29  John David Anglin  <danglin@gcc.gnu.org>
 718
 719         * config/pa/pa.h (BIGGEST_ALIGNMENT): Adjust comment.
 720         (MALLOC_ABI_ALIGNMENT): Define.
 721
 722 2016-10-28  Richard Biener  <rguenther@suse.de>
 723
 724         PR middle-end/78128
 725         PR middle-end/71002
 726         * fold-const.c (make_bit_field_ref): Only adjust alias set
 727         when the original alias set was zero.
 728
 729 2016-10-26  Uros Bizjak  <ubizjak@gmail.com>
 730
 731         Backport from mainline
 732         2016-10-21  Jakub Jelinek  <jakub@redhat.com>
 733
 734         PR target/78057
 735         * config/i386/i386.c: Include fold-const-call.h, tree-vrp.h
 736         and tree-ssanames.h.
 737         (ix86_fold_builtin): Fold IX86_BUILTIN_[LT]ZCNT{16,32,64}
 738         with INTEGER_CST argument.
 739         (ix86_gimple_fold_builtin): New function.
 740         (TARGET_GIMPLE_FOLD_BUILTIN): Define.
 741
 742         Backport from mainline
 743         2016-10-20 Uros Bizjak  <ubizjak@gmail.com>
 744
 745         PR target/78037
 746         * config/i386/bmiintrin.h (__tzcnt_u16): Call __builtin_ia32_tzcnt_u16.
 747         (__tzcnt_u32, _tzcnt_u32): Call __builtin_ia32_tzcnt_u32.
 748         (__tzcnt_u64, _tzcnt_u64): Call __builtin_ia32_tzcnt_u64.
 749         * config/i386/lzcntintrin.h (__lzcnt_u16): Call
 750         __builtin_ia32_lzcnt_u16.
 751         (__lzcnt_u32, _lzcnt_u32): Call __builtin_ia32_lzcnt_u32.
 752         (__lzcnt_u64, _lzcnt_u64): Call __builtin_ia32_lzcnt_u64.
 753         * config/i386/i386.md (UNSPEC_LZCNT, UNSPEC_TZCNT): New unspecs.
 754         (ctz<mode>2, *ctz<mode>2): Use SWI48 mode iterator.
 755         (bmi_tzcnt_<mode>): New expander.
 756         (*bmi_tzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
 757         (*bmi_tzcnt_<mode>_falsedep, *bmi_tzcnt_<mode>): New insn patterns.
 758         (clz<mode>2_lzcnt, *clz<mode>2_lzcnt): Use SWI48 mode iterator.
 759         (lzcnt_<mode>): New expander.
 760         (*lzcnt_<mode>_falsedep_1): New define_insn_and_split pattern.
 761         (*lzcnt_<mode>_falsedep, *lzcnt_<mode>): New insn patterns.
 762         * config/i386/i386-builtin-types.def (UINT_FTYPE_UINT): New.
 763         (UINT64_FTYPE_UINT64): New.
 764         * config/i386/i386-builtin.def (__builtin_clzs): Remove description.
 765         (__builtin_ia32_lzcnt_u16): New description.
 766         (__builtin_ia32_lzcnt_u32): Ditto.
 767         (__builtin_ia32_lzcnt_u64): Ditto.
 768         (__builtin_ctzs): Remove description.
 769         (__builtin_ia32_tzcnt_u16): New description.
 770         (__builtin_ia32_tzcnt_u32): Ditto.
 771         (__builtin_ia32_tzcnt_u64): Ditto.
 772         * config/i386/i386.c (ix86_expand_args_builtin): Handle
 773         UINT_FTYPE_UINT and UINT64_FTYPE_UINT64.
 774
 775 2016-10-25  Eric Botcazou  <ebotcazou@adacore.com>
 776
 777         * tree.h (wi::fits_to_tree_p): Accept only 0 and 1 for boolean types.
 778         * tree.c (int_fits_type_p): Likewise.  Adjust head comment.
 779
 780 2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 781
 782         Backport from mainline
 783         2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 784
 785         PR tree-optimization/77550
 786         * tree-vect-stmts.c (create_array_ref): Change parameters.
 787         (get_group_alias_ptr_type): New function.
 788         (vectorizable_store, vectorizable_load): Use get_group_alias_ptr_type.
 789
 790 2016-10-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 791
 792         Backport from mainline
 793         2016-10-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 794
 795         PR tree-optimization/77916
 796         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
 797         Don't allow a MINUS_EXPR for pointer arithmetic for either known
 798         or unknown strides.
 799         (record_increment): Increments of -1 for unknown strides just use
 800         a multiply initializer like other negative values.
 801         (analyze_increments): Remove stopgap solution for -1 increment
 802         applied to pointer arithmetic.
 803         (insert_initializers): Requirement of initializer for -1 should be
 804         based on pointer-typedness of the candidate basis.
 805
 806 2016-10-23  Eric Botcazou  <ebotcazou@adacore.com>
 807
 808         * config/sparc/sparc.md (cpu_feature): Minor tweak.
 809         (enabled): Likewise.
 810         (movsi_insn, movdi_insn_sp32, movdi_insn_sp64, movsf_insn,
 811         movdf_insn_sp32, movdf_insn_sp64, zero_extendsidi2_insn_sp64,
 812         sign_extendsidi2_insn, mov<VM32:mode>_insn, mov<VM64:mode>_insn_sp64,
 813         mov<VM64:mode>_insn_sp32, not_<code><mode>, nand<mode>_vis,
 814         <code>_not1<mode>_vi, <code>_not2<mode>_vis, one_cmpl<mode>2,
 815         fcmp<code><GCM:gcm_name>, pdistn<mode>_vis): Likewise.
 816
 817 2016-10-23  Eric Botcazou  <ebotcazou@adacore.com>
 818
 819         * config/sparc/sparc-c.c (sparc_target_macros): Replace TARGET_64BIT
 820         with TARGET_ARCH64.  Define __VIS to 0x400 if TARGET_VIS4.
 821
 822 2016-10-19  Uros Bizjak  <ubizjak@gmail.com>
 823
 824         PR target/77991
 825         * config/i386/i386.c (legitimize_tls_address)
 826         <case TLS_MODEL_INITIAL_EXEC>: For TARGET_64BIT || TARGET_ANY_GNU_TLS
 827         convert dest to Pmode if different than Pmode.
 828
 829 2016-10-18  Kugan Vivekanandarajah  <kuganv@linaro.org>
 830
 831         Backport from mainline
 832         2016-10-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
 833
 834         * tree-vrp.c (vrp_intersect_ranges_1): Allocate bitmap before
 835         copying.
 836
 837 2016-10-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 838
 839         Backport from mainline
 840         2016-10-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 841
 842         PR tree-optimization/77937
 843         * gimple-ssa-strength-reduction.c (analyze_increments): Use
 844         POINTER_TYPE_P on the candidate type to determine whether
 845         candidates in this chain require pointer arithmetic.
 846
 847         2016-10-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 848
 849         PR tree-optimization/77937
 850         * gimple-ssa-strength-reduction.c (analyze_increments): Set cost
 851         to infinite when we have a pointer with an increment of -1.
 852
 853 2016-10-17  Martin Liska  <mliska@suse.cz>
 854
 855         Backported from mainline
 856         2016-10-13  Martin Liska  <mliska@suse.cz>
 857
 858         PR tree-optimization/77943
 859         * tree-ssa-tail-merge.c (merge_stmts_p): Do not merge BBs with
 860         a different EH landing pads.
 861
 862 2016-10-17  Eric Botcazou  <ebotcazou@adacore.com>
 863
 864         PR bootstrap/77995
 865         Backport from mainline
 866         2016-10-11  Eric Botcazou  <ebotcazou@adacore.com>
 867
 868         * tree.h (build_complex_type): Add second parameter with default.
 869         * tree.c (build_complex_type): Add NAMED second parameter and adjust
 870         recursive call.  Create a TYPE_DECL only if NAMED is true.
 871         (build_common_tree_nodes): Pass true in calls to build_complex_type.
 872
 873 2016-10-16  Eric Botcazou  <ebotcazou@adacore.com>
 874
 875         * config/sparc/sparc.c (sparc_expand_vector_init): Only accept literal
 876         constants in CONST_VECTORs.
 877
 878 2016-10-15  Eric Botcazou  <ebotcazou@adacore.com>
 879
 880         * config/sparc/sparc.c (sparc_expand_vec_perm_bmask): Use a scratch
 881         register as destination of bmask.
 882         (vector_init_bshuffle): Likewise.
 883         * config/sparc/sparc.md (vec_perm_constv8qi): Likewise.
 884         (bmaskdi_vis): Enable only in 64-bit mode.
 885
 886 2016-10-13  Andrew Senkevich  <andrew.senkevich@intel.com>
 887
 888         Backport from trunk
 889         * common/config/i386/i386-common.c (OPTION_MASK_ISA_PCOMMIT_UNSET,
 890         OPTION_MASK_ISA_PCOMMIT_SET): Deleted definitions.
 891         (ix86_handle_option): Deleted handle of OPT_mpcommit.
 892         * config.gcc: Deleted pcommitintrin.h
 893         * config/i386/pcommitintrin.h: Deleted file.
 894         * config/i386/cpuid.h (bit_PCOMMIT): Deleted.
 895         * config/i386/driver-i386.c (host_detect_local_cpu): Deleted pcommit
 896         detection.
 897         * config/i386/i386-c.c (ix86_target_macros_internal): Deleted define
 898         __PCOMMIT__.
 899         * config/i386/i386.c (ix86_target_string): Deleted -mpcommit.
 900         (PTA_PCOMMIT, IX86_BUILTIN_PCOMMIT, __builtin_ia32_pcommit): Deleted.
 901         (ix86_option_override_internal): Deleted handle of option.
 902         (ix86_valid_target_attribute_inner_p): Deleted pcommit.
 903         * config/i386/i386.h (TARGET_PCOMMIT, TARGET_PCOMMIT_P): Deleted.
 904         * config/i386/i386.md (unspecv): Deleted UNSPECV_PCOMMIT.
 905         (pcommit): Deleted instruction.
 906         * config/i386/i386.opt: Mention -mpcommit deprecation.
 907         * config/i386/x86intrin.h: Deleted inclusion of pcommitintrin.h.
 908
 909 2016-10-13  Tom de Vries  <tom@codesourcery.com>
 910
 911         revert:
 912         2016-10-11  Tom de Vries  <tom@codesourcery.com>
 913
 914         backport from trunk:
 915         2016-10-11  Tom de Vries  <tom@codesourcery.com>
 916
 917         PR middle-end/77558
 918         * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
 919         special-casing.
 920
 921 2016-10-11  Tom de Vries  <tom@codesourcery.com>
 922
 923         backport from trunk:
 924         2016-10-11  Tom de Vries  <tom@codesourcery.com>
 925
 926         PR middle-end/77558
 927         * builtins.c (std_canonical_va_list_type): Remove RECORD_TYPE
 928         special-casing.
 929
 930 2016-10-10  Georg-Johann Lay  <avr@gjlay.de>
 931
 932         * config/avr/gen-avr-mmcu-texi.c (string.h): Include.
 933
 934 2016-10-06  Uros Bizjak  <ubizjak@gmail.com>
 935
 936         PR target/77874
 937         * config/i386/sse.md (<mask_codefor><code><mode>3<mask_name>):
 938         Remove wrong assert.
 939         (<floatsuffix>float<sseintvecmodelower><mode>2<mask_name><round_name>:
 940         Use <round_constraint> as operand 1 constraint.
 941
 942 2016-10-06  James Clarke  <jrtc27@jrtc27.com>
 943             Eric Botcazou  <ebotcazou@adacore.com>
 944
 945         PR target/77759
 946         * config/sparc/sparc.c (classify_data_t): Remove int_regs field.
 947         (classify_registers): Don't set it
 948         (function_arg_slotno): Don't initialize and test it.  Tidy up.
 949
 950 2016-10-04  Uros Bizjak  <ubizjak@gmail.com>
 951
 952         Backport from mainline
 953         2016-09-29  Uros Bizjak  <ubizjak@gmail.com>
 954
 955         * config/i386/driver-i386.c (host_detect_local_cpu): Check maximum
 956         ext_level before calling CPUID with 0x80000008.
 957
 958         2016-09-29  Uros Bizjak  <ubizjak@gmail.com>
 959
 960         PR target/77756
 961         * config/i386/cpuid.h (__get_cpuid_count): New.
 962         (__get_cpuid): Rename __level to __leaf.
 963
 964 2016-09-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
 965
 966         Back port from trunk
 967
 968         2016-09-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 969
 970         PR target/77670
 971         * config/rs6000/predicates.md (invert_fpmask_comparison_operator):
 972         New predicate that matches the ISA 3.0 XSCMP{EQ,GT,GE}DP
 973         instructions when you want to invert the test.
 974         * config/rs6000/rs6000.md (fpmask<mode>): Use the arguments in the
 975         correct order for XXSEL.
 976         (mov<SFDF:mode><SFDF2:mode>cc_invert_p9): Define the inverted test
 977         for using XSCMP{EQ,GT,GE}DP.
 978
 979 2016-09-28  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 980             Alan Modra  <amodra@gmail.com>
 981
 982         Backport from mainline
 983         2016-07-01  Alan Modra  <amodra@gmail.com>
 984
 985         PR rtl-optimization/71709
 986         * ira-lives.c (find_call_crossed_cheap_reg): Exit loop on arg reg
 987         being set, not referenced.
 988
 989 2016-09-27  David Edelsohn  <dje.gcc@gmail.com>
 990
 991         Backport from mainline
 992         2016-09-27  David Edelsohn  <dje.gcc@gmail.com>
 993
 994         * config/rs6000/rs6000.c (rs6000_output_symbol): Don't modify
 995         VAR_DECL string.
 996
 997         2016-09-24  David Edelsohn  <dje.gcc@gmail.com>
 998
 999         * configure.ac (gcc_cv_as_aix_dwloc): Fix typo in assembly fragment.
1000         * configure: Regenerate.
1001
1002 2016-09-27  Richard Biener  <rguenther@suse.de>
1003
1004         Backport from mainline
1005         2016-09-01  Richard Biener  <rguenther@suse.de>
1006
1007         PR middle-end/77436
1008         * tree-chrec.c (tree_fold_binomial): Use widest_int, properly
1009         check whether the result fits the desired result type.
1010
1011         2016-09-19  Richard Biener  <rguenther@suse.de>
1012
1013         PR tree-optimization/77514
1014         * tree-ssa-pre.c (create_expression_by_pieces): Optimize
1015         search for folded stmt.
1016
1017         2016-09-15  Richard Biener  <rguenther@suse.de>
1018
1019         PR tree-optimization/77514
1020         * tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
1021         only forced_stmts sequence.
1022
1023         2016-09-15  Richard Biener  <rguenther@suse.de>
1024
1025         PR middle-end/77544
1026         * fold-const.c (split_tree): Do not split constant ~X.
1027
1028         2016-09-19  Richard Biener  <rguenther@suse.de>
1029
1030         PR middle-end/77605
1031         * tree-data-ref.c (analyze_subscript_affine_affine): Use the
1032         proper niter to bound the loops.
1033
1034         2016-09-22  Richard Biener  <rguenther@suse.de>
1035
1036         PR middle-end/77679
1037         * gimple-fold.c (fold_array_ctor_reference): Turn asserts into
1038         fold fails.
1039
1040 2016-09-25  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         Backport from mainline
1043         2016-09-21  Richard Biener  <rguenther@suse.de>
1044                     Jakub Jelinek  <jakub@redhat.com>
1045
1046         PR tree-optimization/77621
1047         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
1048         group at non-vectorizable stmts.
1049
1050         Backport from mainline
1051         2016-09-20  Uros Bizjak  <ubizjak@gmail.com>
1052
1053         PR target/77621
1054         * config/i386/i386.c (ix86_preferred_simd_mode) <case DFmode>:
1055         Don't return word_mode for !TARGET_VECTORIZE_DOUBLE.
1056         (ix86_add_stmt_cost): Penalize DFmode vector operations
1057         for !TARGET_VECTORIZE_DOUBLE.
1058
1059 2016-09-22  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1060
1061         Backport from 2016-09-22 trunk r240388.
1062
1063         * config/avr/avr.c (avr_rtx_costs_1): Handle DImode MULT.
1064         (avr_address_cost): Replace 61 with MAX_LD_OFFSET(mode).
1065
1066 2016-09-21  Segher Boessenkool  <segher@kernel.crashing.org>
1067
1068         * doc/rtl.texi (JUMP_LABEL): Document RETURN and SIMPLE_RETURN values.
1069
1070 2016-09-21  Georg-Johann Lay  <avr@gjlay.de>
1071
1072         Backport from 2016-09-21 trunk r240306.
1073
1074         PR target/77326
1075         * config/avr/avr.c (avr_notice_update_cc) [CC_NONE]: If insn
1076         touches some regs mentioned in cc_status, do CC_STATUS_INIT.
1077
1078 2016-09-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1079
1080         Backport from mainline
1081         2016-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1082
1083         * lra-constraints.c (match_reload): Pass information about other
1084         output operands.  Create new unique register value if matching input
1085         operand shares same register value as output operand being considered.
1086         (curr_insn_transform): Record output operands already processed.
1087
1088 2016-09-16  Jonathan Wakely  <jwakely@redhat.com>
1089
1090         * doc/extend.texi (Integer Overflow Builtins): Fix type of out
1091         parameters for functions taking long long arguments.
1092
1093 2016-09-16  David Edelsohn  <dje.gcc@gmail.com>
1094
1095         Backported from mainline
1096         2016-08-26  David Edelsohn  <dje.gcc@gmail.com>
1097
1098         PR target/77349
1099         * config/rs6000/xcoff.h (DWARF_OFFSET_SIZE): Define as PTR_SIZE.
1100
1101 2016-09-16  Jakub Jelinek  <jakub@redhat.com>
1102             Eric Botcazou  <ebotcazou@adacore.com>
1103
1104         PR middle-end/77594
1105         * internal-fn.c (expand_arith_overflow) <case MINUS_EXPR>: Don't fall
1106         through into expand_addsub_overflow after expand_neg_overflow.
1107
1108 2016-09-16  Jakub Jelinek  <jakub@redhat.com>
1109
1110         Backported from mainline
1111         2016-09-14  Jakub Jelinek  <jakub@redhat.com>
1112
1113         PR sanitizer/68260
1114         * tsan.c: Include target.h.
1115         (enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
1116         (BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
1117         (tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
1118         BUILT_IN_ATOMIC_TEST_AND_SET entries.
1119         (instrument_builtin_call): Handle bool_clear and bool_test_and_set.
1120
1121         2016-09-08  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR fortran/77516
1124         * omp-low.c (lower_rec_simd_input_clauses): Use max_vf for non-positive
1125         OMP_CLAUSE_SAFELEN_EXPR.
1126
1127         2016-09-06  Jakub Jelinek  <jakub@redhat.com>
1128
1129         PR target/69255
1130         * config/i386/i386.c (ix86_expand_builtin): For builtin with
1131         unsupported or unknown ISA, use expand_call.
1132
1133 2016-09-06  Uros Bizjak  <ubizjak@gmail.com>
1134
1135         Backport from mainline
1136         2016-09-05  Uros Bizjak  <ubizjak@gmail.com>
1137
1138         PR rtl-optimization/77452
1139         * explow.c (plus_constant) <case MEM>: Extract scalar constant from
1140         inner-mode reference to a CONST_VECTOR constant in the constant pool.
1141
1142 2016-09-01  Jakub Jelinek  <jakub@redhat.com>
1143
1144         Backported from mainline
1145         2016-08-30  Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR tree-optimization/72866
1148         * tree-vect-patterns.c (search_type_for_mask): Turn into
1149         a small wrapper, move all code to ...
1150         (search_type_for_mask_1): ... this new function.  Add caching
1151         and adjust recursive calls.
1152
1153         PR debug/77363
1154         * dwarf2out.c (modified_type_die): Use lookup_type_die (type)
1155         instead of lookup_type_die (type_main_variant (type)) even for array
1156         types.
1157
1158         PR middle-end/77377
1159         * simplify-rtx.c (avoid_constant_pool_reference): For out of bounds
1160         constant pool reference return x instead of c.
1161
1162         2016-08-19  Jakub Jelinek  <jakub@redhat.com>
1163
1164         * config/i386/t-i386 (i386-c.o): Don't depend on
1165         i386-builtin-types.inc.
1166         (i386.o): Depend on i386-builtin-types.inc.
1167
1168         2016-08-17  Jakub Jelinek  <jakub@redhat.com>
1169
1170         PR middle-end/77259
1171         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): If
1172         turning a call into __builtin_unreachable-like noreturn call, adjust
1173         gimple_call_set_fntype.
1174         * tree-cfgcleanup.c (fixup_noreturn_call): Remove lhs also if
1175         gimple_call_fntype has void return type.
1176
1177         2016-08-16  Jakub Jelinek  <jakub@redhat.com>
1178
1179         PR target/71910
1180         * tree-cfg.c (execute_fixup_cfg): Add node variable, use it.  Before inlining,
1181         add cgraph edge for the added __builtin_unreachable call.
1182
1183 2016-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1184
1185         * doc/extend.texi (SPU Built-in Functions): Remove stale
1186         references to material formerly at IBM and Sony.
1187
1188 2016-09-01  Matthew Wahab  <matthew.wahab@arm.com>
1189
1190         PR target/77281
1191         * config/arm/arm.c (neon_valid_immediate): Delete declaration.
1192         Use const_vec_duplicate to check for duplicated elements.
1193
1194 2016-09-01  Eric Botcazou  <ebotcazou@adacore.com>
1195
1196         * config/i386/i386.c (ix86_option_override_internal): Also disable the
1197         STV pass if -mstackrealign is enabled.
1198
1199 2016-08-31  Patrick Palka  <ppalka@gcc.gnu.org>
1200
1201         Backport from mainline
1202         2016-08-27  Patrick Palka  <ppalka@gcc.gnu.org>
1203
1204         PR tree-optimization/71077
1205         PR tree-optimization/68542
1206         * fold-const.c (fold_relational_const): Fix folding of
1207         VECTOR_CST comparisons that have a scalar boolean result type.
1208
1209 2016-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
1210
1211         * doc/install.texi (Binaries): www.opencsw.org now uses https.
1212
1213 2016-08-31  Jakub Sejdak  <jakub.sejdak@phoesys.com>
1214
1215         * config.gcc: Add support for arm*-*-phoenix* targets.
1216         * config/arm/t-phoenix: New.
1217         * config/phoenix.h: New.
1218
1219 2016-08-29  Uros Bizjak  <ubizjak@gmail.com>
1220
1221         PR target/77403
1222         * config/i386/sse.md (vec_set_lo_<mode><mask_name>): Fix assembler
1223         template for intel asm dialect.
1224         (vec_set_hi_<mode><mask_name>): Ditto.
1225
1226 2016-08-29  Eric Botcazou  <ebotcazou@adacore.com>
1227
1228         * Makefile.in (gcov-iov.h): Add dummy recipe.
1229
1230 2016-08-28  Uros Bizjak  <ubizjak@gmail.com>
1231
1232         Backport from mainline
1233         2016-08-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1234
1235         * config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW
1236         for targets amdfam10 and barcelona.
1237
1238         Backport from mainline
1239         2016-08-21  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         PR target/77270
1242         * config/i386/i386.md (prefetch): When TARGET_PRFCHW or
1243         TARGET_PREFETCHWT1 are disabled, emit 3dNOW! write prefetches for
1244         non-SSE2 athlons only, otherwise prefer SSE prefetches.
1245
1246         Backport from mainline
1247         2016-08-19  Uros Bizjak  <ubizjak@gmail.com>
1248
1249         PR target/77270
1250         * config/i386/i386.c (ix86_option_override_internal): Remove
1251         PTA_PRFCHW from entries that also have PTA_3DNOW flag.
1252         Enable SSE prefetch also for TARGET_PREFETCHWT1.
1253         Do not try to enable TARGET_PRFCHW ISA flag here.
1254         * config/i386/i386.md (prefetch): Enable also for TARGET_3DNOW.
1255         Rewrite expander function body.
1256         (*prefetch_3dnow): Enable for TARGET_3DNOW and TARGET_PREFETCHWT1.
1257
1258 2016-08-28  Tom de Vries  <tom@codesourcery.com>
1259
1260         backport from trunk:
1261         2016-08-28  Tom de Vries  <tom@codesourcery.com>
1262
1263         PR lto/70955
1264         * config/i386/i386.c (ix86_build_builtin_va_list_64): Tag type with
1265         'sysv_abi va_list' attribute.
1266         (ix86_build_builtin_va_list): Tag type with 'ms_abi va_list' attribute.
1267         (ix86_canonical_va_list_type): Handle 'sysv_abi/ms_abi va_list'
1268         attributes.
1269
1270 2016-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1271
1272         Backport from mainline
1273         2016-08-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1274
1275         PR target/72863
1276         * vsx.md (vsx_load_<mode>): For P8LE, emit swaps at expand time.
1277         (vsx_store_<mode>): Likewise.
1278
1279 2016-08-24  Richard Biener  <rguenther@suse.de>
1280
1281         Backport from mainline
1282         2016-08-17  Richard Biener  <rguenther@suse.de>
1283
1284         PR tree-optimization/76490
1285         * tree-vrp.c (update_value_range): Preserve overflow infinities
1286         when intersecting with ranges from get_range_info.
1287         (operand_less_p): Handle overflow infinities correctly.
1288         (value_range_constant_singleton): Use vrp_operand_equal_p
1289         to handle overflow max/min correctly.
1290         (vrp_valueize): Likewise.
1291         (union_ranges): Likewise.
1292         (intersect_ranges): Likewise.
1293
1294 2016-08-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1295
1296         * config/arm/t-rtems: Add vfp multilib.
1297
1298 2016-08-23  Richard Biener  <rguenther@suse.de>
1299
1300         Backport from mainline
1301         2016-08-16  Richard Biener  <rguenther@suse.de>
1302
1303         PR tree-optimization/76783
1304         * tree-ssa-propagate.c (ssa_prop_init): Use RPO order.  Clear
1305         BB visited flags at start.
1306
1307         2016-08-12  Richard Biener  <rguenther@suse.de>
1308
1309         PR tree-optimization/72851
1310         * tree-ssa-propagate.c: Include cfganal.h.  Rewrite block and stmt
1311         worklists to use bitmaps indexed in execution order.
1312         (executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
1313         bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
1314         (cfg_blocks): Make a bitmap.
1315         (bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
1316         New globals.
1317         (cfg_blocks_empty_p): Adjust.
1318         (cfg_blocks_add): Likewise.
1319         (cfg_blocks_get): Likewise.
1320         (add_ssa_edge): Likewise.
1321         (add_control_edge): Likewise.
1322         (simulate_stmt): Likewise.
1323         (process_ssa_edge_worklist): Likewise.
1324         (simulate_block): Likewise.
1325         (ssa_prop_init): Compute PRE order and stmt UIDs.
1326         (ssa_prop_fini): Adjust.
1327         (ssa_propagate): Adjust.
1328
1329 2016-08-22  Uros Bizjak  <ubizjak@gmail.com>
1330
1331         Backport from mainline
1332         2016-08-15  Uros Bizjak  <ubizjak@gmail.com>
1333
1334         PR target/72867
1335         * config/i386/sse.md (<code><mode>3<mask_name><round_saeonly_name>):
1336         Emit ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>
1337         for !flag_finite_math_only or flag_signed_zeros.
1338         (*<code><mode>3<mask_name><round_saeonly_name>): Rename from
1339         *<code><mode>3_finite<mask_name><round_saeonly_name>.  Do not
1340         depend on flag_finite_math_only.
1341         (ieee_<ieee_maxmin><mode>3<mask_name><round_saeonly_name>):
1342         New insn pattern.
1343         (*<code><mode>3<mask_name><round_saeonly_name>): Remove.
1344         (*ieee_smin<mode>3): Ditto.
1345         (*ieee_smax<mode>3): Ditto.
1346         * config/i386/mmx.md (mmx_<code>v2sf3): Emit
1347         mmx_ieee_<ieee_maxmin>v2sf3 for !flag_finite_math_only or
1348         flag_signed_zeros.
1349         (*mmx_<code>v2sf3): Rename from *mmx_<code>v2sf3_finite.  Do not
1350         depend on flag_finite_math_only.
1351         (mmx_ieee_<ieee_maxmin>v2sf3): New insn pattern.
1352         (*mmx_<code>v2sf3): Remove.
1353         * config/i386/subst.md (round_saeonly_mask_arg3): New subst attribute.
1354         * config/i386/i386.c (ix86_expand_sse_fp_mimnax): Check
1355         flag_signed_zeros instead of !flag_unsafe_math_optimizations.
1356
1357 2016-08-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1358
1359         Backport from mainline
1360         2016-07-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1361
1362         PR middle-end/71700
1363         * expr.c (store_constructor): Mask sign-extended bits when widening
1364         sub-word constructor element at the start of a word.
1365
1366 2016-08-22  Richard Biener  <rguenther@suse.de>
1367
1368         * BASE-VER: Set to 6.2.1.
1369
1370 2016-08-22  Release Manager
1371
1372         * GCC 6.2.0 released.
1373
1374 2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>
1375
1376         Backport from mainline
1377         2016-08-18  Chung-Lin Tang  <cltang@codesourcery.com>
1378
1379         PR middle-end/70895
1380         * gimplify.c (omp_add_variable): Adjust/add variable mapping on
1381         enclosing parallel construct for reduction variables on OpenACC loop
1382         directives.
1383
1384 2016-08-18  Oleg Endo  <olegendo@gcc.gnu.org>
1385
1386         Backport from mainline
1387         2016-06-17  DJ Delorie  <dj@redhat.com>
1388
1389         PR target/71338
1390         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
1391         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
1392         (umulqihi3_virt): Likewise.
1393         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
1394         (umulqihi3_real): Likewise.
1395
1396 2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>
1397
1398         * doc/install.texi (*-*-solaris2*): Adjust latest change.
1399
1400 2016-08-15  Martin Liska  <mliska@suse.cz>
1401
1402         Backported from mainline
1403         2016-08-15  Martin Liska  <mliska@suse.cz>
1404
1405         PR driver/72765
1406         * gcc.c (do_spec_1): Call save_string with the right size.
1407
1408 2016-08-15  Jakub Jelinek  <jakub@redhat.com>
1409
1410         PR debug/71906
1411         * dwarf2out.c (string_types): New variable.
1412         (gen_array_type_die): Change early_dwarf handling of
1413         DW_AT_string_length, create DW_OP_call4 referencing the
1414         length var temporarily.  Handle parameters that are pointers
1415         to string length.
1416         (adjust_string_types): New function.
1417         (gen_subprogram_die): Temporarily set string_types to local var,
1418         call adjust_string_types if needed.
1419         (non_dwarf_expression, copy_deref_exprloc, optimize_string_length):
1420         New functions.
1421         (resolve_addr): Adjust DW_AT_string_length if it is DW_OP_call4.
1422
1423 2016-08-15  Richard Biener  <rguenther@suse.de>
1424
1425         PR tree-optimization/73434
1426         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Preserve
1427         TBAA info on the base when forwarding a non-invariant address.
1428
1429 2016-08-15  Eric Botcazou  <ebotcazou@adacore.com>
1430
1431         * doc/install.texi (*-*-solaris2*): Fix version number and document
1432         requirement on GNU make for building libjava with the Solaris linker.
1433
1434 2016-08-15  Martin Liska  <mliska@suse.cz>
1435             Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR tree-optimization/72824
1438         * tree-loop-distribution.c (const_with_all_bytes_same)
1439         <case VECTOR_CST>: Fix a typo.
1440
1441 2016-08-14  Uros Bizjak  <ubizjak@gmail.com>
1442
1443         Backport from mainline
1444         2016-08-14  Uros Bizjak  <ubizjak@gmail.com>
1445
1446         PR target/76342
1447         * config/i386/avx512fintrin.h (_mm512_undefined_epi32):
1448         Renamed from _mm512_undefined_si512.
1449         (_mm_undefined_si512): New definition.
1450
1451         Backport from mainline:
1452         2016-08-09  David Wohlferd  <dw@LimeGreenSocks.com>
1453
1454         * config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
1455         unused variable __O.
1456
1457         Backport from mainline:
1458         2016-08-09  Uros Bizjak  <ubizjak@gmail.com>
1459
1460         PR target/72843
1461         * config/i386/i386.md (*movtf_internal): Use
1462         lra_in_progress || reload_completed instead of !can_create_pseudo_p
1463         in the insn constraint.
1464         (*movxf_internal): Ditto.
1465         (*movdf_internal): Ditto.
1466         (*movsf_internal): Ditto.
1467
1468 2016-08-12  Jakub Jelinek  <jakub@redhat.com>
1469
1470         PR c/71512
1471         * ubsan.c (instrument_si_overflow): Pass true instead of false
1472         to gsi_replace.
1473         (pass_ubsan::execute): Call gimple_purge_dead_eh_edges at the end
1474         of bbs.  Return TODO_cleanup_cfg if any returned true.
1475
1476 2016-08-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1477
1478         Backport from mainline
1479         2016-08-11  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1480
1481         PR tree-optimization/71083
1482         * tree-predcom.c (ref_at_iteration): Correctly align the
1483         reference type.
1484
1485 2016-08-12  James Greenhalgh  <james.greenhalgh@arm.com
1486
1487         Backport from mainline
1488         2016-08-05  James Greenhalgh  <james.greenhalgh@arm.com>
1489
1490         PR Target/72819
1491         * config/aarch64/aarch64.h (aarch64_fp16_type_node): Declare.
1492         (aarch64_fp16_ptr_type_node): Likewise.
1493         * config/aarch64/aarch64-simd-builtins.c
1494         (aarch64_fp16_ptr_type_node): Define.
1495         (aarch64_init_fp16_types): New, refactored out of...
1496         (aarch64_init_builtins): ...here, update to call
1497         aarch64_init_fp16_types.
1498         * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr): Handle
1499         HFmode.
1500         (aapcs_vfp_sub_candidate): Likewise.
1501
1502 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1503
1504         Backport from mainline
1505         2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1506
1507         * config/s390/s390-builtin-types.def: Add INT128 types.
1508         * config/s390/s390-builtins.def: Add INT128 variants for the add
1509         sub low-level builtins dealing with TImode.
1510         * config/s390/s390.c (s390_expand_builtin): Allow mode conversions
1511         via subreg when expanding a builtin.
1512         * config/s390/s390.md: Remove UNSPEC_VEC_ADDC_U128,
1513         UNSPEC_VEC_SUB_U128, and UNSPEC_VEC_SUBC_U128 constants.
1514         Fix comment.
1515         * config/s390/vecintrin.h: Adjust builtin names accordingly.
1516         * config/s390/vx-builtins.md ("vec_add_u128"): Remove expander.
1517         ("vec_addc<mode>", "vec_addc_u128"): Merge to
1518         "vacc<bhfgq>_<mode>".
1519         ("vec_adde_u128"): Rename to "vacq". Change mode to TImode.
1520         ("vec_addec_u128"): Rename to "vacccq". Change mode to TImode.
1521         ("vec_subc<mode>", "vec_subc_u128"): Merge to
1522         "vscbi<bhfgq>_<mode>".
1523         ("vec_sube_u128"): Rename to "vsbiq". Change mode to TImode.
1524         ("vec_subec_u128"): Rename to "vsbcbiq". Change mode to TImode.
1525
1526 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1527
1528         Backport from mainline
1529         2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1530
1531         * config/s390/s390-builtins.def: Mark last operand of s390_vlvg*
1532         and s390_vlgv* builtins as element selector.
1533
1534 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1535
1536         Backport from mainline
1537         2016-07-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1538
1539         * config/s390/s390.c (s390_expand_vec_init): Force initializer
1540         element to register if it doesn't match general_operand.
1541
1542 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1543
1544         Backport from mainline
1545         2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1546
1547         * config/s390/vecintrin.h: Fix file description in comment.
1548
1549 2016-08-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1550
1551         Backport from mainline
1552         2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1553
1554         * config/s390/s390-builtin-types.def: Change builtin type naming
1555         scheme to match builtin-types.def.
1556
1557 2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
1558
1559         Backport from mainline
1560         2016-08-10  Michael Meissner  <meissner@linux.vnet.ibm.com>
1561
1562         PR target/72853
1563         * config/rs6000/rs6000.c (mem_operand_ds_form): Add check for op
1564         being an offsettable address.
1565
1566 2016-08-10  Jakub Jelinek  <jakub@redhat.com>
1567
1568         Backported from mainline
1569         2016-08-09  Jakub Jelinek  <jakub@redhat.com>
1570
1571         PR tree-optimization/72824
1572         * tree-loop-distribution.c (const_with_all_bytes_same): Verify
1573         real_zerop is not negative.
1574
1575 2016-08-09  Martin Jambor  <mjambor@suse.cz>
1576
1577         PR ipa/71981
1578         * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
1579         if instance is a MEM_REF.
1580
1581 2016-08-09  Richard Biener  <rguenther@suse.de>
1582
1583         Backport from mainline
1584         2016-08-09  Richard Biener  <rguenther@suse.de>
1585
1586         PR ipa/68273
1587         * ipa-prop.c (ipa_modify_formal_parameters): Build
1588         parameter types with natural alignment also for the
1589         over-aligned case.
1590
1591         2016-07-15  Richard Biener  <rguenther@suse.de>
1592
1593         PR tree-optimization/71881
1594         * tree-loop-distribution.c (destroy_loop): Remove blocks in
1595         reverse DOM order to make debug temp generation happy.
1596
1597 2016-08-09  Alan Modra  <amodra@gmail.com>
1598
1599         PR target/72802
1600         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Sort
1601         alternatives.  Put loads first, then stores, and reg/reg moves
1602         within same class later.  Delete attr length.
1603
1604 2016-08-09  Alan Modra  <amodra@gmail.com>
1605
1606         PR target/72802
1607         * config/rs6000/rs6000.c (mem_operand_gpr): Remove vsx dform test.
1608         (mem_operand_ds_form): New predicate.
1609         * config/rs6000/rs6000-protos.h (mem_operand_ds_form): Declare.
1610         * config/rs6000/constraints.md (wY): New constraint.
1611         * config/rs6000/rs6000.md (f32_lm2, f32_sm2): Use wY for SF.
1612         (extendsfdf2_fpr): Replace o constraint with wY.
1613
1614 2016-08-08  Georg-Johann Lay  <avr@gjlay.de>
1615
1616         Backport from 2016-07-29 trunk r238863.
1617
1618         PR rtl-optimization/71976
1619         * combine.c (get_last_value): Return 0 if the argument for which
1620         the function is called has a wider mode than the recorded value.
1621
1622 2016-08-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
1623
1624         Backport from trunk
1625         2016-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
1626
1627         PR target/71869
1628         * config/rs6000/rs6000.c (rs6000_generate_compare): Rework
1629         __float128 support when we don't have hardware support, so that
1630         the IEEE built-in functions like isgreater, first call __unordkf3
1631         to make sure neither operand is a NaN, and if both operands are
1632         ordered, do the normal comparison.
1633
1634 2016-08-04  Uros Bizjak  <ubizjak@gmail.com>
1635
1636         PR target/72805
1637         * config/i386/avx512fintrin.h (_mm512_cmp_epi32_mask) [!__OPTIMIZE__]:
1638         Cast builtin function result to __mmask16 instead of __mmask8.
1639         (_mm512_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
1640         (_mm512_mask_cmp_epi32_mask) [!__OPTIMIZE__]: Ditto.
1641         (_mm512_mask_cmp_epu32_mask) [!__OPTIMIZE__]: Ditto.
1642
1643 2016-08-03  Georg-Johann Lay  <avr@gjlay.de>
1644
1645         PR 70677
1646         * common/config/avr/avr-common.c (avr_option_optimization_table)
1647         [OPT_LEVELS_ALL]: Turn off -fcaller-saves.
1648
1649 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
1650
1651         Backport from 2016-08-01 trunk r238948.
1652
1653         PR target/72767
1654         * config/avr/avr.md (length) [branch]: Correct insn length
1655         attribute for forward branches.
1656
1657 2016-08-01  Georg-Johann Lay  <avr@gjlay.de>
1658
1659         Backport from 2016-06-16 trunk r237536.
1660         2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1661
1662         PR target/71151
1663         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
1664         progmem_swtable_section.
1665         (progmem_swtable_section): Remove.
1666         (avr_asm_function_rodata_section): Remove.
1667         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1668         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Define to 1.
1669
1670 2016-07-29  Marek Polacek  <polacek@redhat.com>
1671
1672         Backport from mainline
1673         2016-07-29  Marek Polacek  <polacek@redhat.com>
1674
1675         PR c/7652
1676         * config/rs6000/rs6000.c (altivec_expand_ld_builtin): Add break.
1677         (altivec_expand_st_builtin): Likewise.
1678         * config/i386/i386.c (ix86_expand_args_builtin): Likewise.
1679         (ix86_expand_round_builtin): Likewise.
1680
1681 2016-07-27  Segher Boessenkool  <segher@kernel.crashing.org>
1682
1683         PR target/71216
1684         * config/rs6000/rs6000.c (rs6000_file_start): Fix condition for
1685         when to emit a ".machine" pseudo-op.
1686
1687 2016-07-26  Alan Modra  <amodra@gmail.com>
1688
1689         PR target/72103
1690         * config/rs6000/rs6000.c (rs6000_secondary_reload): Initialize
1691         sri->t_icode.
1692
1693 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
1694
1695         PR sanitizer/71953
1696         * asan.c (asan_dynamic_init_call): Call asan_init_shadow_ptr_types
1697         before builtin_decl_implicit.
1698
1699         * tree-object-size.c (unknown): Use HOST_WIDE_INT_M1U instead of -1.
1700
1701 2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>
1702
1703         Improving concepts performance and diagnostics.
1704         * timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
1705         for constraint satisfaction and subsumption.
1706         * timevar.h (auto_timevar): New constructor that matches the push/pop
1707         pattern of usage in pt.c.
1708
1709 2016-07-20  John David Anglin  <danglin@gcc.gnu.org>
1710
1711         Backport from mainline
1712         2016-07-16  John David Anglin  <danglin@gcc.gnu.org>
1713
1714         * config/pa/pa.c (hppa_profile_hook): Allocate stack space for
1715         register parameters.  Remove code to initialize argument pointer
1716         on TARGET_64BIT.  Optimize call to _mcount when it can be reached
1717         using a pc-relative branch.  Cleanup conditional code.
1718         * config/pa/pa.md (call_mcount): New expander.
1719         (call_mcount_nonpic): New insn.
1720         (call_mcount_pic): New insn and split.
1721         (call_mcount_pic_post_reload): New insn.
1722         (call_mcount_64bit): New insn and split.
1723         (call_mcount_64bit_post_reload): New insn.
1724
1725 2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1726
1727         Backport from mainline
1728         2016-07-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1729
1730         * config/s390/s390.c (s390_encode_section_info): Remove mode size
1731         check.
1732
1733 2016-07-20  Martin Jambor  <mjambor@suse.cz>
1734
1735         PR fortran/71688
1736         * trans-decl.c (gfc_generate_function_code): Use get_create rather
1737         than create to get a call graph node.
1738
1739 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
1740
1741         PR rtl-optimization/71916
1742         * cfgrtl.c (contains_no_active_insn_p): Return false also for
1743         bb which have a single succ fake edge.
1744
1745 2016-07-19  Aldy Hernandez  <aldyh@redhat.com>
1746
1747         PR debug/71855
1748         * dwarf2out.c (gen_subprogram_die): Only call
1749         gen_unspecified_parameters_die while dumping early dwarf.
1750
1751 2016-07-19  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR middle-end/71874
1754         * gimple-fold.c (fold_builtin_memory_op): Use
1755         get_addr_base_and_unit_offset instead of get_ref_base_and_extent.
1756
1757 2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1758
1759         Back port from mainline
1760         2016-07-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1761
1762         PR target/71493
1763         * config/rs6000/rs6000.c (rs6000_function_value): Fix
1764         unintentional System V.4 structure return breakage for structures
1765         with a single floating point element.
1766
1767 2016-07-18  Martin Liska  <mliska@suse.cz>
1768
1769         Backported from mainline
1770         2016-07-12  Martin Liska  <mliska@suse.cz>
1771
1772         PR rtl-optimization/71634
1773         * ira-build.c (mark_loops_for_removal): Properly iterate
1774         loops.
1775
1776 2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1777
1778         Backport from mainline
1779         2016-07-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1780
1781         * config/s390/s390.c (s390_encode_section_info): Always set
1782         notaligned marker if mode size is 0 or no MEM_ALIGN info could be
1783         found.
1784
1785 2016-07-15  Alan Modra  <amodra@gmail.com>
1786
1787         Apply from mainline
1788         2016-07-11  Alan Modra  <amodra@gmail.com>
1789         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): New unspec.
1790         (ctr<mode>): Add unspec.
1791         (ctr<mode>_internal*): Likewise.
1792
1793 2016-07-14  Alan Modra  <amodra@gmail.com>
1794
1795         PR target/71733
1796         * config/rs6000/rs6000.c (rs6000_option_override_internal): Deal
1797         with p9_vector override before power9-dform override.
1798
1799 2016-07-13  Ilya Enkovich  <ilya.enkovich@intel.com>
1800
1801         Backport from mainline r238086.
1802         2016-07-07  Ilya Enkovich  <ilya.enkovich@intel.com>
1803
1804         PR ipa/71624
1805         * ipa-inline-analysis.c (compute_inline_parameters): Set
1806         local.can_change_signature to false for intrumentation
1807         thunk callees.
1808
1809 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1810             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1811
1812         Backport from mainline
1813         2016-07-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
1814                     Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1815
1816         * config/rs6000/rs6000-protos.h (rs6000_split_signbit): New
1817         prototype.
1818         * config/rs6000/rs6000.c (rs6000_split_signbit): New function.
1819         * config/rs6000/rs6000.md (UNSPEC_SIGNBIT): New constant.
1820         (SIGNBIT): New mode iterator.
1821         (Fsignbit): New mode attribute.
1822         (signbit<mode>2): Change operand1 to match FLOAT128 instead of
1823         IBM128; dispatch to gen_signbit{kf,tf}2_dm for __float128
1824         when direct moves are available.
1825         (signbit<mode>2_dm): New define_insn_and_split).
1826         (signbit<mode>2_dm2): New define_insn.
1827
1828 2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1829
1830         Backport from mainline
1831         2016-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1832
1833         PR target/71805
1834         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal):
1835         The xxperm and xxpermr instructions require that the 2nd input
1836         operand overlap with the output operand, and not the 1st.
1837         (altivec_vperm_v8hiv16qi): Likewise.
1838         (altivec_vperm_<mode>_uns_internal): Likewise.
1839         (altivec_vpermr_<mode>_internal): Likewise.
1840         (vperm_v8hiv4si): Likewise.
1841         (vperm_v16qiv8hi): Likewise.
1842
1843 2016-07-12  Segher Boessenkool  <segher@kernel.crashing.org>
1844
1845         Backport from mainline
1846         2016-07-06  Segher Boessenkool  <segher@kernel.crashing.org>
1847
1848         PR target/70098
1849         PR target/71763
1850         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
1851         *ctr<mode>_internal5, *ctr<mode>_internal6): Add *wi to the output
1852         constraint.
1853
1854 2016-07-11  Jakub Jelinek  <jakub@redhat.com>
1855
1856         PR middle-end/71758
1857         * omp-low.c (expand_omp_target): Gimplify device.
1858
1859         PR tree-optimization/71823
1860         * tree-vect-stmts.c (vectorizable_operation): Use vect_get_vec_defs
1861         to get vec_oprnds2 from op2.
1862
1863 2016-07-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
1864
1865         Backport from mainline r238055.
1866         2016-07-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
1867
1868         PR tree-optimization/71518
1869         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
1870         misalign also for outer loops with negative step.
1871
1872 2016-07-08  Martin Liska  <mliska@suse.cz>
1873
1874         Backported from mainline
1875         2016-07-08  Martin Liska  <mliska@suse.cz>
1876
1877         PR middle-end/71606
1878         * fold-const.c (fold_convertible_p): As COMPLEX_TYPE
1879         folding produces SAVE_EXPRs, thus return false for the type.
1880
1881 2016-07-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1882
1883         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): Remove
1884         redundant and erroneous definition of this macro accidentally
1885         inserted during backporting.
1886         (BU_P9_64BIT_MISC_0): Likewise.
1887         (BU_P9_MISC_0): Likewise.
1888
1889 2016-07-08  Jiong Wang  <jiong.wang@arm.com>
1890
1891         Back port from the trunk
1892         2016-07-08  Jiong Wang  <jiong.wang@arm.com>
1893
1894         * config/aarch64/aarch64-simd-builtins.def (smax): Remove float
1895         variants.
1896         (smin): Likewise.
1897         (fmax): New entry.
1898         (fmin): Likewise.
1899         * config/aarch64/arm_neon.h (vmaxnm_f32): Use
1900         __builtin_aarch64_fmaxv2sf.
1901         (vmaxnmq_f32): Likewise.
1902         (vmaxnmq_f64): Likewise.
1903         (vminnm_f32): Likewise.
1904         (vminnmq_f32): Likewise.
1905         (vminnmq_f64): Likewise.
1906
1907 2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
1908
1909         Back port from trunk
1910         2016-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
1911
1912         PR target/71806
1913         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Do not
1914         enable -mfloat128-hardware by default.
1915         (ISA_3_0_MASKS_IEEE): New macro to give all of the VSX options
1916         that IEEE 128-bit hardware support needs.
1917         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
1918         -mcpu=power9 -mfloat128, enable -mfloat128-hardware by default.
1919         Use ISA_3_0_MASKS_IEEE as the set of options that IEEE 128-bit
1920         floating point requires.
1921         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1922         -mfloat128 and -mfloat128-hardware changes.
1923
1924 2016-07-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1925
1926         Backport from mainline r237912
1927         2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1928
1929         * config/rs6000/altivec.md (*altivec_vpermr_<mode>_internal):
1930         Exchange the order of the second and third operands in the vpermr
1931         instruction tmeplate.
1932
1933 2016-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1934
1935         Back port from the trunk
1936         2016-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1937
1938         PR target/71720
1939         * config/rs6000/vsx.md (vsx_splat_v4sf_internal): When splitting
1940         the insns, use an insn form that does not adjust the offset on
1941         little endian systems.
1942
1943 2016-07-07  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1944
1945         Backport from mainline r237885
1946         2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1947
1948         * config/rs6000/altivec.md (darn_32): Change the condition to
1949         TARGET_P9_MISC instead of TARGET_MODULO.
1950         (darn_raw): Replace TARGET_MODULO with TARGET_P9_MISC in the
1951         condition expression.
1952         (darn): Replace TARGET_MODULO with TARGET_P9_MISC in the
1953         condition expression.
1954         * config/rs6000/dfp.md (UNSPEC_DTSTSFI): New unspec constant.
1955         (DFP_TEST): New code iterator.
1956         (dfptstsfi_<code>_mode>): New define_expand.
1957         (*dfp_sgnfcnc_<mode>): New define_insn.
1958         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_0): Move this macro
1959         definition next to BU_P9_MISC_1 definition and change the MASK
1960         value to RS6000_BTM_P9_MISC.
1961         (BU_P9_MISC_1): Change the MASK value to RS6000_BTM_P9_MISC.
1962         (BU_P9_64BIT_MISC_0): Likewise.
1963         (BU_P9_DFP_MISC_0): New macro definition.
1964         (BU_P9_DFP_MISC_1): New macro definition.
1965         (BU_P9_DFP_MISC_2): New macro definition.
1966         (BU_P9_DFP_OVERLOAD_1): New macro definition.
1967         (BU_P9_DFP_OVERLOAD_2): New macro definition.
1968         (BU_P9_DFP_OVERLOAD_3): New macro definition.
1969         (TSTSFI_LT_DD): New BU_P9_DFP_MISC_2.
1970         (TSTSFI_LT_TD): Likewise.
1971         (TSTSFI_EQ_DD): Likewise.
1972         (TSTSFI_EQ_TD): Likewise.
1973         (TSTSFI_GT_DD): Likewise.
1974         (TSTSFI_GT_TD): Likewise.
1975         (TSTSFI_OV_DD): Likewise.
1976         (TSTSFI_OV_TD): Likewise.
1977         (TSTSFI_LT): New BU_P9_DFP_OVERLOAD_2.
1978         (TSTSFI_LT_DD): Likewise.
1979         (TSTSFI_LT_TD): Likewise.
1980         (TSTSFI_EQ): Likewise.
1981         (TSTSFI_EQ_DD): Likewise.
1982         (TSTSFI_EQ_TD): Likewise.
1983         (TSTSFI_GT): Likewise.
1984         (TSTSFI_GT_DD): Likewise.
1985         (TSTSFI_GT_TD): Likewise.
1986         (TSTSFI_OV): Likewise.
1987         (TSTSFI_OV_DD): Likewise.
1988         (TSTSFI_OV_TD): Likewise.
1989         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1990         overloaded test significance functions.
1991         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
1992         OPTION_MASK_P9_MISC into the representation of this mask.
1993         (POWERPC_MASKS): Add OPTION_MASK_P9_MISC into the representation
1994         of this mask.
1995         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Set the
1996         RS6000_BTM_P9_MISC flag in the return value if TARGET_P9_MISC is
1997         non-zero.
1998         (rs6000_expand_binop_builtin): Enforce that argument 0 of the exp
1999         argument is a 6-bit unsigned literal value if the icode argument
2000         represents a DFP test significance built-in call.
2001         (rs6000_invalid_builtin): Add support for the RS6000_BTM_P9_MISC
2002         flag used independently and in combination with the
2003         RS6000_BTM_64BIT flag.
2004         (rs6000_opt_masks): Add entry for power9-misc command-line option.
2005         (rs6000_builtin_mask_names): Add entry for power9-misc
2006         command-line option.
2007         * config/rs6000/rs6000.h: Redefine TARGET_P9_MISC as 0 if
2008         HAVE_AS_POWER9 is not a defined macro.  Define MASK_P9_MISC and
2009         RS6000_BTM_P9_MISC macros.
2010         * config/rs6000/rs6000.opt: Add support for the -mpower9-misc
2011         option and change the description of the -mpower9-vector option to
2012         enable only vector instructions, removing its erroneously claimed
2013         support for scalar instructions.
2014         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2015         the ISA 3.0 digital floating point test significance built-in
2016         functions.
2017
2018 2016-07-07  Richard Biener  <rguenther@suse.de>
2019
2020         Backport from mainline
2021         2016-06-13  Richard Biener  <rguenther@suse.de>
2022
2023         PR middle-end/64516
2024         * fold-const.c (fold_unary_loc): Preserve alignment when
2025         folding a VIEW_CONVERT_EXPR into a MEM_REF.
2026
2027 2016-07-07  Richard Biener  <rguenther@suse.de>
2028
2029         Backport from mainline
2030         2016-05-25  Richard Biener  <rguenther@suse.de>
2031
2032         PR tree-optimization/71264
2033         * tree-vect-stmts.c (vect_init_vector): Properly deal with
2034         vector type val.
2035
2036         2016-06-07  Richard Biener  <rguenther@suse.de>
2037
2038         PR middle-end/71423
2039         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
2040         for signed ops.
2041
2042         2016-06-14  Richard Biener  <rguenther@suse.de>
2043
2044         PR tree-optimization/71521
2045         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
2046         division int_const_binop against zero divisor.
2047
2048         2016-06-08  Richard Biener  <rguenther@suse.de>
2049
2050         PR tree-optimization/71452
2051         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
2052         type used for the SSA rewrite has enough precision to cover
2053         the dynamic type of the location.
2054
2055         2016-06-14  Richard Biener  <rguenther@suse.de>
2056
2057         PR tree-optimization/71522
2058         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
2059         copying into float copying.
2060
2061 2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
2062
2063         Backport from mainline
2064         2016-07-06  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
2065
2066         PR target/50739
2067         * config/avr/avr.c (avr_asm_select_section): Strip off
2068         SECTION_DECLARED from flags when calling get_section.
2069
2070 2016-07-05  Pat Haugen  <pthaugen@us.ibm.com>
2071
2072         Backport from mainline
2073         2016-06-28  Pat Haugen  <pthaugen@us.ibm.com>
2074
2075         * config/rs6000/rs6000.md ('type' attribute): Add htmsimple/dfp types.
2076         ('size' attribute): Add '128'.
2077         Include power9.md.
2078         (*mov<mode>_hardfloat32, *mov<mode>_hardfloat64, *movdi_internal32,
2079         *movdi_internal64, *movdf_update1): Set size attribute to '64'.
2080         (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3, sqrt<mode>2,
2081         copysign<mode>3, neg<mode>2_hw, abs<mode>2_hw, *nabs<mode>2_hw,
2082         *fma<mode>4_hw, *fms<mode>4_hw, *nfma<mode>4_hw, *nfms<mode>4_hw,
2083         extend<SFDF:mode><IEEE128:mode>2_hw, trunc<mode>df2_hw,
2084         *xscvqp<su>wz_<mode>, *xscvqp<su>dz_<mode>, *xscv<su>dqp_<mode>,
2085         *trunc<mode>df2_odd): Set size attribute to '128'.
2086         (*cmp<mode>_hw): Change type to veccmp and set size attribute to '128'.
2087         * config/rs6000/power6.md (power6-fp): Include dfp type.
2088         * config/rs6000/power7.md (power7-fp): Likewise.
2089         * config/rs6000/power8.md (power8-fp): Likewise.
2090         * config/rs6000/power9.md: New file.
2091         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power9.md.
2092         * config/rs6000/htm.md (*tabort, *tabort<wd>c, *tabort<wd>ci,
2093         *trechkpt, *treclaim, *tsr, *ttest): Change type attribute to
2094         htmsimple.
2095         * config/rs6000/dfp.md (extendsddd2, truncddsd2, extendddtd2,
2096         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
2097         divtd3, *cmpdd_internal1, *cmptd_internal1, floatdidd2, floatditd2,
2098         ftruncdd2, fixdddi2, ftrunctd2, fixtddi2, dfp_ddedpd_<mode>,
2099         dfp_denbcd_<mode>, dfp_dxex_<mode>, dfp_diex_<mode>, dfp_dscli_<mode>,
2100         dfp_dscri_<mode>): Change type attribute to dfp.
2101         * config/rs6000/crypto.md (crypto_vshasigma<CR_char>): Change type
2102         attribute to vecsimple.
2103         * config/rs6000/rs6000.c (power9_cost): Update costs, cache size
2104         and prefetch streams.
2105         (rs6000_option_override_internal): Remove temporary code setting
2106         tuning to power8.  Don't set rs6000_sched_groups for power9.
2107         (last_scheduled_insn): Change to rtx_insn *.
2108         (divide_cnt, vec_load_pendulum): New variables.
2109         (rs6000_adjust_cost): Add Power9 to test for store->load separation.
2110         (rs6000_issue_rate): Set issue rate for Power9.
2111         (is_power9_pairable_vec_type): New.
2112         (power9_sched_reorder2): New.
2113         (rs6000_sched_reorder2): Call new function for Power9 specific
2114         reordering.
2115         (insn_must_be_first_in_group): Remove Power9.
2116         (insn_must_be_last_in_group): Likewise.
2117         (force_new_group): Likewise.
2118         (rs6000_sched_init): Fix initialization of last_scheduled_insn.
2119         Initialize divide_cnt/vec_load_pendulum.
2120         (_rs6000_sched_context, rs6000_init_sched_context,
2121         rs6000_set_sched_context): Handle context save/restore of new
2122         variables.
2123
2124 2016-07-05  Pat Haugen  <pthaugen@us.ibm.com>
2125
2126         Backport from mainline
2127         2016-06-27  Pat Haugen  <pthaugen@us.ibm.com>
2128
2129         * config/rs6000/rs6000.md ('type' attribute): Add
2130         veclogical,veccmpfx,vecexts,vecmove insn types.
2131         (*abs<mode>2_fpr, *nabs<mode>2_fpr, *neg<mode>2_fpr, *extendsfdf2_fpr,
2132         copysign<mode>3_fcpsgn, trunc<mode>df2_internal1, neg<mode>2_internal,
2133         p8_fmrgow_<mode>, pack<mode>): Change type to fpsimple.
2134         (*xxsel<mode>, copysign<mode>3_hard, neg<mode>2_hw, abs<mode>2_hw,
2135         *nabs<mode>2_hw): Change type to vecmove.
2136         (*and<mode>3_internal, *bool<mode>3_internal, *boolc<mode>3_internal,
2137         *boolcc<mode>3_internal, *eqv<mode>3_internal,
2138         *one_cmpl<mode>3_internal, *ieee_128bit_vsx_neg<mode>2_internal,
2139         *ieee_128bit_vsx_abs<mode>2_internal,
2140         *ieee_128bit_vsx_nabs<mode>2_internal, extendkftf2, trunctfkf2,
2141         *ieee128_mfvsrd_64bit, *ieee128_mfvsrd_32bit, *ieee128_mtvsrd_64bit,
2142         *ieee128_mtvsrd_32bit): Change type to veclogical.
2143         (mov<mode>_hardfloat, *mov<mode>_hardfloat32, *mov<mode>_hardfloat64,
2144         *movdi_internal32, *movdi_internal64): Update insn types.
2145         * config/rs6000/vsx.md (*vsx_le_undo_permute_<mode>,
2146         vsx_extract_<mode>): Change type to veclogical.
2147         (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns): Change type to vecmove.
2148         (vsx_sign_extend_qi_<mode>, *vsx_sign_extend_hi_<mode>,
2149         *vsx_sign_extend_si_v2di): Change type to vecexts.
2150         * config/rs6000/altivec.md (*altivec_mov<mode>, *altivec_movti): Change
2151         type to veclogical.
2152         (*altivec_eq<mode>, *altivec_gt<mode>, *altivec_gtu<mode>,
2153         *altivec_vcmpequ<VI_char>_p, *altivec_vcmpgts<VI_char>_p,
2154         *altivec_vcmpgtu<VI_char>_p): Change type to veccmpfx.
2155         (*altivec_vsel<mode>, *altivec_vsel<mode>_uns): Change type to vecmove.
2156         * config/rs6000/dfp.md (*negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
2157         negtd2, *abstd2_fpr, *nabstd2_fpr): Change type to fpsimple.
2158         * config/rs6000/40x.md (ppc405-float): Add fpsimple.
2159         * config/rs6000/440.md (ppc440-fp): Add fpsimple.
2160         * config/rs6000/476.md (ppc476-fp): Add fpsimple.
2161         * config/rs6000/601.md (ppc601-fp): Add fpsimple.
2162         * config/rs6000/603.md (ppc603-fp): Add fpsimple.
2163         * config/rs6000/6xx.md (ppc604-fp): Add fpsimple.
2164         * config/rs6000/7xx.md (ppc750-fp): Add fpsimple.
2165         (ppc7400-vecsimple): Add veclogical, vecmove, veccmpfx.
2166         * config/rs6000/7450.md (ppc7450-fp): Add fpsimple.
2167         (ppc7450-vecsimple): Add veclogical, vecmove.
2168         (ppc7450-veccmp): Add veccmpfx.
2169         * config/rs6000/8540.md (ppc8540_simple_vector): Add veclogical,
2170         vecmove.
2171         (ppc8540_vector_compare): Add veccmpfx.
2172         * config/rs6000/a2.md (ppca2-fp): Add fpsimple.
2173         * config/rs6000/cell.md (cell-fp): Add fpsimple.
2174         (cell-vecsimple): Add veclogical, vecmove.
2175         (cell-veccmp): Add veccmpfx.
2176         * config/rs6000/e300c2c3.md (ppce300c3_fp): Add fpsimple.
2177         * config/rs6000/e6500.md (e6500_vecsimple): Add veclogical, vecmove,
2178         veccmpfx.
2179         * config/rs6000/mpc.md (mpccore-fp): Add fpsimple.
2180         * config/rs6000/power4.md (power4-fp): Add fpsimple.
2181         (power4-vecsimple): Add veclogical, vecmove.
2182         (power4-veccmp): Add veccmpfx.
2183         * config/rs6000/power5.md (power5-fp): Add fpsimple.
2184         * config/rs6000/power6.md (power6-fp): Add fpsimple.
2185         (power6-vecsimple): Add veclogical, vecmove.
2186         (power6-veccmp): Add veccmpfx.
2187         * config/rs6000/power7.md (power7-fp): Add fpsimple.
2188         (power7-vecsimple): Add veclogical, vecmove, veccmpfx.
2189         * config/rs6000/power8.md (power8-fp): Add fpsimple.
2190         (power8-vecsimple): Add veclogical, vecmove, veccmpfx.
2191         * config/rs6000/rs64.md (rs64a-fp): Add fpsimple.
2192         * config/rs6000/titan.md (titan_fp): Add fpsimple.
2193         * config/rs6000/xfpu.md (fp-default, fp-addsub-s, fp-addsub-d): Add
2194         fpsimple.
2195         * config/rs6000/rs6000.c (rs6000_adjust_cost): Add TYPE_FPSIMPLE.
2196
2197 2016-07-05  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2198
2199         Backport from mainline r237391
2200         2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2201
2202         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
2203         RS6000_BTM_MODULO flag into the set of flags that are considered
2204         to be part of the common configuration.
2205
2206 2016-07-04  Jakub Jelinek  <jakub@redhat.com>
2207
2208         PR c++/71739
2209         * tree.c (attribute_value_equal): Use get_attribute_name instead of
2210         directly using TREE_PURPOSE.
2211
2212 2016-07-04  Segher Boessenkool  <segher@kernel.crashing.org>
2213
2214         Backport from mainline
2215         2016-06-27  Segher Boessenkool  <segher@kernel.crashing.org>
2216
2217         PR target/71670
2218         * config/rs6000/rs6000.md (ashdi3_extswsli_dot): Use
2219         gen_ashdi3_extswsli_dot2 instead of gen_ashdi3_extswsli_dot.
2220
2221 2016-07-02  Jakub Jelinek  <jakub@redhat.com>
2222
2223         Backported from mainline
2224         2016-06-28  Jakub Jelinek  <jakub@redhat.com>
2225
2226         PR middle-end/71626
2227         * config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
2228         a constant, force its SUBREG_REG into memory or register instead
2229         of whole op1.
2230
2231         2016-06-20  Jakub Jelinek  <jakub@redhat.com>
2232
2233         PR target/71559
2234         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
2235         returned values and add UN*/LTGT/*ORDERED cases with values matching
2236         D operand modifier on vcmp for AVX.
2237
2238 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2239
2240         Backport from trunk r237659
2241         2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2242
2243         * config/rs6000/rs6000.h: Add conditional preprocessing directives
2244         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
2245         not defined.
2246
2247 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
2248
2249         Backport from trunk
2250         2016-06-27  Peter Bergner  <bergner@vnet.ibm.com>
2251
2252         PR target/71656
2253         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2254         OPTION_MASK_P9_DFORM_VECTOR.
2255         * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
2256         disable -mpower9-dform-vector when using reload.
2257         (quad_address_p): Remove 'gpr_p' argument and all associated code.
2258         New 'strict' argument.  Update all callers.  Add strict addressing
2259         support.
2260         (rs6000_legitimate_offset_address_p): Remove call to
2261         virtual_stack_registers_memory_p.
2262         (rs6000_legitimize_reload_address): Add quad address support.
2263         (rs6000_legitimate_address_p): Move call to quad_address_p above
2264         call to virtual_stack_registers_memory_p.  Adjust quad_address_p args
2265         to account for new strict usage.
2266         (rs6000_output_move_128bit): Adjust quad_address_p args to account
2267         for new strict usage.
2268         * config/rs6000/predicates.md (quad_memory_operand): Likewise.
2269
2270 2016-07-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2271
2272         Backport from mainline
2273         2016-06-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2274
2275         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): New #define.
2276         (BU_FLOAT128_1): Likewise.
2277         (FABSQ): Likewise.
2278         (COPYSIGNQ): Likewise.
2279         (RS6000_BUILTIN_NANQ): Likewise.
2280         (RS6000_BUILTIN_NANSQ): Likewise.
2281         (RS6000_BUILTIN_INFQ): Likewise.
2282         (RS6000_BUILTIN_HUGE_VALQ): Likewise.
2283         * config/rs6000/rs6000.c (rs6000_fold_builtin): New prototype.
2284         (TARGET_FOLD_BUILTIN): New #define.
2285         (rs6000_builtin_mask_calculate): Add TARGET_FLOAT128 entry.
2286         (rs6000_invalid_builtin): Add handling for RS6000_BTM_FLOAT128.
2287         (rs6000_fold_builtin): New target hook implementation, handling
2288         folding of 128-bit NaNs and infinities.
2289         (rs6000_init_builtins): Initialize const_str_type_node; ensure all
2290         entries are filled in to avoid problems during bootstrap
2291         self-test; define builtins for 128-bit NaNs and infinities.
2292         (rs6000_opt_mask): Add entry for float128.
2293         * config/rs6000/rs6000.h (RS6000_BTM_FLOAT128): New #define.
2294         (RS6000_BTM_COMMON): Include RS6000_BTM_FLOAT128.
2295         (rs6000_builtin_type_index): Add RS6000_BTI_const_str.
2296         (const_str_type_node): New #define.
2297         * config/rs6000/rs6000.md (copysign<mode>3 for IEEE128): Convert
2298         to a define_expand that dispatches to either copysign<mode>3_soft
2299         or copysign<mode>3_hard.
2300         (copysign<mode>3_hard): Rename from copysign<mode>3.
2301         (copysign<mode>3_soft): New define_insn.
2302         * doc/extend.texi: Document new builtins.
2303
2304 2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
2305
2306         Backport from trunk
2307         2016-07-01  Peter Bergner  <bergner@vnet.ibm.com>
2308
2309         PR target/71698
2310         * config/rs6000/rs6000.c (rs6000_secondary_reload_simple_move): Disallow
2311         TDmode values.
2312
2313 2016-07-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2314
2315         Backport from trunk r236992
2316         2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2317
2318         * config/rs6000/altivec.h (vec_slv): New macro.
2319         (vec_srv): New macro.
2320         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2321         (UNSPEC_VSRV): New value.
2322         (vslv): New insn.
2323         (vsrv): New insn.
2324         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2325         (vsrv): New builtin definition.
2326         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2327         define argument types for new builtin.
2328         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2329         new builtin.
2330         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2331         functions.
2332
2333 2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>
2334
2335         * config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
2336         for NULL decl.
2337
2338 2016-06-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2339
2340         Backport from trunk r237390
2341         2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2342
2343         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
2344         difference unsigned.
2345         (vec_absdb): New macro for vector absolute difference unsigned
2346         byte.
2347         (vec_absdh): New macro for vector absolute difference unsigned
2348         half-word.
2349         (vec_absdw): New macro for vector absolute difference unsigned word.
2350         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
2351         (vadu<mode>3): New insn.
2352         (*p9_vadu<mode>3): New insn.
2353         * config/rs6000/rs6000-builtin.def (vadub): New built-in
2354         definition.
2355         (vaduh): New built-in definition.
2356         (vaduw): New built-in definition.
2357         (vadu): New overloaded built-in definition.
2358         (vadub): New overloaded built-in definition.
2359         (vaduh): New overloaded built-in definition.
2360         (vaduw): New overloaded built-in definition.
2361         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2362         overloaded vector absolute difference unsigned functions.
2363         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
2364         the ISA 3.0 vector absolute difference unsigned built-in functions.
2365
2366 2016-06-30  David Malcolm  <dmalcolm@redhat.com>
2367
2368         Backport from trunk r237880.
2369         2016-06-30  David Malcolm  <dmalcolm@redhat.com>
2370
2371         PR driver/71651
2372         * gcc.c (driver::build_option_suggestions): Pass "option" to
2373         add_misspelling_candidates.
2374         * opts-common.c (add_misspelling_candidates): Add "option" param;
2375         use it to avoid adding negated forms for options marked with
2376         RejectNegative.
2377         * opts.h (add_misspelling_candidates): Add "option" param.
2378
2379 2016-06-30  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR middle-end/71693
2382         * fold-const.c (fold_binary_loc) <case RROTATE_EXPR>: Cast
2383         TREE_OPERAND (arg0, 0) and TREE_OPERAND (arg0, 1) to type
2384         first when permuting bitwise operation with rotate.  Cast
2385         TREE_OPERAND (arg0, 0) to type when cancelling two rotations.
2386
2387 2016-06-30  Martin Liska  <mliska@suse.cz>
2388
2389         Parting backport from mainline
2390         2016-06-29  Martin Liska  <mliska@suse.cz>
2391
2392         * ipa-inline-transform.c (inline_call): Remove unnecessary call
2393         of build_optimization_node.
2394
2395 2016-06-29  Eric Botcazou  <ebotcazou@adacore.com>
2396
2397         Backport from mainline
2398         2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
2399
2400         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
2401
2402 2016-06-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
2403
2404         Back port from trunk
2405         2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
2406
2407         * stor-layout.c (layout_type): Move setting complex MODE to
2408         layout_type, instead of setting it ahead of time by the caller.
2409
2410         Back port from trunk
2411         2016-05-11  Alan Modra  <amodra@gmail.com>
2412
2413         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2414         abi_v4_pass_in_fpr): New functions.
2415         (rs6000_function_arg_boundary): Exclude complex IBM long double
2416         from 64-bit alignment when ABI_V4.
2417         (rs6000_function_arg, rs6000_function_arg_advance_1,
2418         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2419
2420         Back port from trunk
2421         2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2422
2423         * machmode.h (mode_complex): Add support to give the complex mode
2424         for a given mode.
2425         (GET_MODE_COMPLEX_MODE): Likewise.
2426         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
2427         stored by build_complex_type and gfc_build_complex_type instead of
2428         trying to figure out the appropriate mode based on the size. Raise
2429         an assertion error, if the type was not set.
2430         * genmodes.c (struct mode_data): Add field for the complex type of
2431         the given type.
2432         (blank_mode): Likewise.
2433         (make_complex_modes): Remember the complex mode created in the
2434         base type.
2435         (emit_mode_complex): Write out the mode_complex array to map a
2436         type mode to the complex version.
2437         (emit_insn_modes_c): Likewise.
2438         * tree.c (build_complex_type): Set the complex type to use before
2439         calling layout_type.
2440         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
2441         support for __float128 complex datatypes.
2442         (rs6000_hard_regno_mode_ok): Likewise.
2443         (rs6000_setup_reg_addr_masks): Likewise.
2444         (rs6000_complex_function_value): Likewise.
2445         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
2446         __float128 and __ibm128 complex.
2447         (FLOAT128_IBM_P): Likewise.
2448         (ALTIVEC_ARG_MAX_RETURN): Likewise.
2449         * doc/extend.texi (Additional Floating Types): Document that
2450         -mfloat128 must be used to enable __float128.  Document complex
2451         __float128 and __ibm128 support.
2452
2453 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR tree-optimization/71647
2456         * omp-low.c (lower_rec_input_clauses): Convert
2457         omp_clause_aligned_alignment (c) to size_type_node for the
2458         last argument of __builtin_assume_aligned.
2459
2460 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
2461
2462         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
2463
2464 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
2465
2466         Backport from 2016-06-21 trunk r237639.
2467
2468         PR target/30417
2469         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
2470         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
2471         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
2472
2473 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
2474
2475         PR target/71103
2476         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
2477         constant addresses if can_create_pseudo_p.
2478
2479 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
2480
2481         PR tree-optimization/71588
2482         * tree-ssa-strlen.c (valid_builtin_call): New function.
2483         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
2484         it.
2485
2486         Backported from mainline
2487         2016-06-20  Jakub Jelinek  <jakub@redhat.com>
2488
2489         PR middle-end/71581
2490         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
2491         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
2492         for conversion of scalar user var to complex type and use the
2493         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
2494         punt.
2495
2496         2016-06-16  Jakub Jelinek  <jakub@redhat.com>
2497
2498         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
2499         with base of reference to struct.
2500
2501 2016-06-20  Ilya Enkovich  <ilya.enkovich@intel.com>
2502
2503         Backport from mainline r237484.
2504         2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
2505
2506         PR middle-end/71529
2507         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
2508         DECL_CONTEXT for copied arguments.
2509
2510 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
2511             Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
2512
2513         Backport from 2016-06-20 trunk r237589, r236558.
2514
2515         PR target/71103
2516         * config/avr/avr.md (movqi): Handle loading subreg:qi (const,
2517         symbol_ref,label_ref).
2518
2519 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
2520
2521         PR target/71554
2522         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
2523         (setcc + and peephole2): Likewise.
2524
2525 2016-06-15  Andreas Tobler  <andreast@gcc.gnu.org>
2526
2527         Backported from mainline
2528         2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
2529
2530         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
2531         FreeBSD 11 and above.
2532
2533 2016-06-15  Ilya Verbin  <ilya.verbin@intel.com>
2534
2535         Backport from mainline
2536         2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2537
2538         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
2539
2540 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
2541
2542         Backported from mainline
2543         2016-06-10  Jakub Jelinek  <jakub@redhat.com>
2544
2545         PR middle-end/71494
2546         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
2547         without LABEL_DECL, set *handled_ops_p to false instead of true.
2548
2549         2016-06-08  Jakub Jelinek  <jakub@redhat.com>
2550                     Richard Biener  <rguenther@suse.de>
2551
2552         PR c++/71448
2553         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
2554         the same as DECL_P (base0) for indirect_base0.  Use equality_code
2555         in one further place.
2556
2557         2016-06-04  Jakub Jelinek  <jakub@redhat.com>
2558
2559         PR tree-optimization/71405
2560         * tree-ssa.c (execute_update_addresses_taken): For clobber with
2561         incompatible type, build a new clobber with the right type instead
2562         of building a VIEW_CONVERT_EXPR around it.
2563
2564 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
2565
2566         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
2567         update shared_lookup_references only once after changing operands.
2568
2569 2016-06-13  Richard Biener  <rguenther@suse.de>
2570
2571         PR tree-optimization/71505
2572         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
2573         assert match comment.
2574
2575 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2576
2577         Backport from mainline
2578         2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2579
2580         PR target/71379
2581         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
2582         one.
2583
2584 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
2585
2586         PR middle-end/71373
2587         Backport from trunk r237291:
2588         * tree-nested.c (convert_nonlocal_omp_clauses)
2589         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
2590         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
2591         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
2592
2593         Backport from trunk r237291:
2594         * gimplify.c (gimplify_adjust_omp_clauses): Discard
2595         OMP_CLAUSE_TILE.
2596         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
2597
2598         Backport from trunk r237290:
2599         * omp-low.c (scan_sharing_clauses): Don't expect
2600         OMP_CLAUSE__CACHE_.
2601
2602         Backport trunk r235964:
2603         2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2604
2605         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
2606         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
2607         equality first.
2608
2609 2016-06-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2610
2611         Back port from trunk
2612         2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2613
2614         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2615         alternatives, eliminating preferred register class.  Add support
2616         for the MTVSRDD instruction in ISA 3.0.
2617         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2618         reg_or_indexed_operand.
2619         (vsx_splat_v4sf_internal): Likewise.
2620
2621         Back port from trunk
2622         2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2623
2624         PR target/71186
2625         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2626         for loading up all 0's or all 1's.
2627
2628         Back port from trunk
2629         2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
2630
2631         PR target/70915
2632         * config/rs6000/constraints.md (wE constraint): New constraint
2633         for a vector constant that can be loaded with XXSPLTIB.
2634         (wM constraint): New constraint for a vector constant of a 1's.
2635         (wS constraint): New constraint for a vector constant that can be
2636         loaded with XXSPLTIB and a vector sign extend instruction.
2637         * config/rs6000/predicates.md (xxspltib_constant_split): New
2638         predicates for wE/wS constraints.
2639         (xxspltib_constant_nosplit): Likewise.
2640         (easy_vector_constant): Add support for constants that can be
2641         loaded via XXSPLTIB.
2642         (splat_input_operand): Add support for ISA 3.0 word splat operations.
2643         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
2644         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
2645         instruction and possibly with a sign extension.
2646         (output_vec_const_move): Add support for XXSPLTIB. If we are
2647         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
2648         instead of XXLXOR/XXLORC.
2649         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
2650         operations.
2651         (rs6000_legitimize_reload_address): Likewise.
2652         (rs6000_output_move_128bit): Use output_vec_const_move to emit
2653         constants.
2654         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
2655         combine VSX_M and VSX_M2 into one iterator.
2656         (VSX_M2): Likewise.
2657         (VSINT_84): New iterators for loading constants with XXSPLTIB.
2658         (VSINT_842): Likewise.
2659         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
2660         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
2661         XXSPLTIB instruction.
2662         (xxspltib_<mode>_nosplit): Likewise.
2663         (xxspltib_<mode>_split): New insn to load up constants with
2664         XXSPLTIB and a sign extend instruction.
2665         (vsx_mov<mode>): Replace single move that handled all vector types
2666         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
2667         moves (when -mvsx-timode is in effect) into the main vector
2668         moves.  Eliminate separate moves for <VSr> <VSa>, where the
2669         preferred register class (<VSr>) is listed first, and the
2670         secondary register class (<VSa>) is listed second with a '?' to
2671         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
2672         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
2673         that if the register was involved in a slow operation, the
2674         clear/set operation does not wait for the slow operation to
2675         finish.  Adjust the length attributes for 32-bit mode.  Use
2676         rs6000_output_move_128bit and drop the use of the string
2677         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
2678         spacing so that the alternatives and attributes don't generate
2679         long lines, and put things in columns, so that it is easier to
2680         match up the operands and attributes with the insn alternatives.
2681         (vsx_mov<mode>_64bit): Likewise.
2682         (vsx_mov<mode>_32bit): Likewise.
2683         (vsx_movti_64bit): Fold movti into normal vector moves.
2684         (vsx_movti_32bit): Likewise.
2685         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
2686         splat instructions.
2687         (vsx_splat_v4si_internal): Likewise.
2688         (vsx_splat_v4sf_internal): Likewise.
2689         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
2690         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
2691         extend vector elements.
2692         (vsx_sign_extend_hi_<mode>): Likewise.
2693         (vsx_sign_extend_si_v2di): Likewise.
2694         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
2695         declaration.
2696         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
2697         constraints.  Add trailing period to wL documentation.
2698
2699 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
2700
2701         Backport from mainline
2702         2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
2703
2704         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
2705         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
2706
2707 2016-06-08  Eric Botcazou  <ebotcazou@adacore.com>
2708
2709         Backport from mainline
2710         2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
2711
2712         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
2713         Include the M7 SPARC DFA scheduler.
2714         New attribute v3pipe.
2715         Annotate insns with v3pipe where appropriate.
2716         Define cpu_feature vis4.
2717         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
2718         Add (V8QI "8") to vbits.
2719         Add insns {add,sub}v8qi3
2720         Add insns ss{add,sub}v8qi3
2721         Add insns us{add,sub}{v8qi,v4hi}3
2722         Add insns {min,max}{v8qi,v4hi,v2si}3
2723         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
2724         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
2725         * config/sparc/niagara4.md: Add a comment explaining the
2726         discrepancy between the documented latenty numbers and the
2727         implemented ones.
2728         * config/sparc/niagara7.md: New file.
2729         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
2730         supports SPARC5 and VIS 4.0 instructions.
2731         * configure: Regenerate.
2732         * config.in: Likewise.
2733         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
2734         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
2735         TARGET_CPU_niagara7.
2736         (ASM_CPU64_DEFAULT_SPEC): Likewise.
2737         (CPP_CPU_SPEC): Handle niagara7.
2738         (ASM_CPU_SPEC): Likewise.
2739         * config/sparc/sparc-opts.h (processor_type): Add
2740         PROCESSOR_NIAGARA7.
2741         (mvis4): New option.
2742         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
2743         (AS_NIAGARA7_FLAG): Define.
2744         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
2745         (CPP_CPU64_DEFAULT_SPEC): Likewise.
2746         (CPP_CPU_SPEC): Handle niagara7.
2747         (ASM_CPU_SPEC): Likewise.
2748         * config/sparc/sparc.c (niagara7_costs): Define.
2749         (sparc_option_override): Handle niagara7 and adjust cache-related
2750         parameters with better values for niagara cpus.  Also support VIS4.
2751         (sparc32_initialize_trampoline): Likewise.
2752         (sparc_use_sched_lookahead): Likewise.
2753         (sparc_issue_rate): Likewise.
2754         (sparc_register_move_cost): Likewise.
2755         (dump_target_flag_bits): Support VIS4.
2756         (sparc_vis_init_builtins): Likewise.
2757         (sparc_builtins): Likewise.
2758         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
2759         VIS4 4.0.
2760         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
2761         UltraSparc M7.
2762         * config/sparc/sparc.opt (sparc_processor_type): New value
2763         niagara7.
2764         * config/sparc/visintrin.h (__attribute__): Prototypes for the
2765         VIS4 builtins.
2766         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
2767         -mvis4.
2768         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
2769         VIS4 builtins.
2770
2771         2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2772
2773         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2774         tune_64.
2775         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2776         support on SPARC.
2777         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2778         cpu_32, cpu_64, tune_32 and tune_64.
2779         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2780
2781 2016-06-08  Ilya Verbin  <ilya.verbin@intel.com>
2782
2783         Backport from mainline
2784         2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
2785
2786         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
2787         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
2788         * config/i386/i386.c (enum ix86_builtins): Add
2789         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
2790         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
2791         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
2792         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
2793         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
2794         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
2795         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
2796         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
2797         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
2798         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
2799         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
2800         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
2801         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
2802         __builtin_ia32_cvtps2dq512_mask.
2803         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
2804         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
2805         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
2806         * config/i386/sse.md
2807         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
2808         Rename to ...
2809         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
2810         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
2811         to ...
2812         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
2813         (avx512f_vec_pack_sfix_v8df): New define_expand.
2814         (avx512f_roundpd512): Rename to ...
2815         (avx512f_round<castmode>512): ... this.  Change iterator.
2816         (avx512f_roundps512_sfix): New define_expand.
2817         (round<mode>2_sfix): Change iterator.
2818
2819 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
2820
2821         Backport from mainline
2822         2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
2823
2824         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
2825         -mno-htm.
2826
2827 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
2828
2829         PR target/71389
2830         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
2831         Copy op1 RTX to avoid invalid sharing.
2832         (ix86_expand_vector_move_misalign): Ditto.
2833
2834 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR tree-optimization/71259
2837         * tree-vect-slp.c (vect_get_constant_vectors): For
2838         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
2839         one for constant op, and use COND_EXPR for non-constant.
2840
2841 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2842
2843         Backport from trunk
2844         2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2845
2846         PR target/70830
2847         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2848
2849 2016-06-05  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         Backport from mainline
2852         2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2853                     Jocelyn Mayer  <l_indien@magic.fr>
2854
2855         PR target/67310
2856         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2857         detect processor family for signature_CENTAUR_ebx.
2858         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2859         signature_CENTAUR_ebx.
2860         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2861         <default>: Pass x86-64 for has_longmode.
2862
2863 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2864
2865         PR middle-end/71387
2866         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2867         to noreturn e->callee->decl that has void return type and void
2868         arguments, adjust gimple_call_fntype and remove lhs even if it had
2869         previously addressable type.
2870
2871 2016-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2872
2873         Back port from trunk
2874         2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2875
2876         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2877         for ISA 3.0 min/max support.
2878         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2879         conditional move support.
2880         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2881         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2882         available.
2883         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2884         conditional moves where the comparison type is different from move
2885         type.
2886         (fp_minmax): New code iterator for smin/smax.
2887         (minmax): New code attributes for min/max.
2888         (SMINMAX): Likewise.
2889         (smax<mode>3): Combine min, max insns into one insn using the
2890         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2891         instructions that don't need -ffast-math.
2892         (s<minmax><mode>3): Likewise.
2893         (smax<mode>3_vsx): Likewise.
2894         (smin<mode>3): Likewise.
2895         (s<minmax><mode>3_vsx): Likewise.
2896         (smin<mode>3_vsx): Likewise.
2897         (pre-VSX min/max splitters): Likewise.
2898         (s<minmax><mode>3_fpr): Likewise.
2899         (movsfcc): Rewrite floating point conditional moves to combine
2900         SFmode/DFmode into a single insn.
2901         (mov<mode>cc): Likewise.
2902         (movdfcc): Likewise.
2903         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2904         SFDF2 iterators to handle all combinations.
2905         (fseldfsf4): Likewise.
2906         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2907         (fseldfdf4): Likewise.
2908         (fselsfdf4): Likewise.
2909         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2910         comparison instructions that set a 0/-1 mask, and use it for
2911         floating point conditional move via XXSEL.
2912         (fpmask<mode>): Likewise.
2913         (xxsel<mode>): Likewise.
2914         * config/rs6000/predicates.md (min_max_operator): Delete, no
2915         longer used.
2916         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2917         instructions that generate a 0/-1 mask for use with XXSEL.
2918         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2919         say whether floating point min/max is available, either through
2920         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2921         (TARGET_MINMAX_DF): Likewise.
2922
2923         Back port from trunk
2924         2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
2925
2926         * config/rs6000/predicate.md (all_ones_constant): New predicate
2927         for vector constant with all 1's set.
2928
2929 2016-06-02  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2930
2931         Back port from trunk
2932         2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2933
2934         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
2935         (UNSPEC_DARN_32): New unspec constant.
2936         (UNSPEC_DARN_RAW): New unspec constant.
2937         (darn_32): New instruction.
2938         (darn_raw): New instruction.
2939         (darn): New instruction.
2940         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
2941         support and documentation for this macro.
2942         (BU_P9_MISC_1): New macro definition.
2943         (BU_P9_64BIT_MISC_0): New macro definition.
2944         (BU_P9_MISC_0): New macro definition.
2945         (darn_32): New builtin definition.
2946         (darn_raw): New builtin definition.
2947         (darn): New builtin definition.
2948         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
2949         RS6000_BUILTIN_0 directives to surround each occurrence of
2950         #include "rs6000-builtin.def".
2951         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
2952         RS6000_BTM_64BIT flags to the returned mask, depending on
2953         configuration.
2954         (def_builtin): Correct an error in the assignments made to the
2955         debugging variable attr_string.
2956         (rs6000_expand_builtin): Add support for no-operand built-in
2957         functions.
2958         (builtin_function_type): Remove fatal_error assertion that is no
2959         longer valid.
2960         (rs6000_common_init_builtins): Add support for no-operand built-in
2961         functions.
2962         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
2963         definition.
2964         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
2965         definition.
2966         (RS6000_BTM_64BIT): New macro definition.
2967         * doc/extend.texi: Document __builtin_darn (void),
2968         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
2969         functions.
2970
2971 2016-06-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2972
2973         Back port from trunk
2974         2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2975
2976         PR target/71201
2977         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
2978         ISA 3.0 xxperm fusion alternative.
2979         (altivec_vperm_v8hiv16qi): Likewise.
2980         (altivec_vperm_<mode>_uns_internal): Likewise.
2981         (vperm_v8hiv4si): Likewise.
2982         (vperm_v16qiv8hi): Likewise.
2983
2984         Back port from trunk
2985         2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2986                     Kelvin Nilsen  <kelvin@gcc.gnu.org>
2987
2988         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
2989         vpermr/xxpermr on ISA 3.0.
2990         (altivec_expand_vec_perm_le): Likewise.
2991         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
2992         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
2993         ISA 3.0.
2994
2995         Back port from trunk
2996         2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2997
2998         * config/rs6000/altivec.md (VParity): New mode iterator for vector
2999         parity built-in functions.
3000         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3001         zeros.
3002         (p9v_parity<mode>2): Likewise.
3003         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3004         parity.
3005         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3006         (parity<mode>2): ISA 3.0 expander for vector parity.
3007         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3008         power9 built-ins.
3009         (BU_P9_64BIT_MISC_0): Likewise.
3010         (BU_P9_MISC_0): Likewise.
3011         (BU_P9V_AV_1): Likewise.
3012         (BU_P9V_AV_2): Likewise.
3013         (BU_P9V_AV_3): Likewise.
3014         (BU_P9V_AV_P): Likewise.
3015         (BU_P9V_VSX_1): Likewise.
3016         (BU_P9V_OVERLOAD_1): Likewise.
3017         (BU_P9V_OVERLOAD_2): Likewise.
3018         (BU_P9V_OVERLOAD_3): Likewise.
3019         (VCTZB): Add vector count trailing zeros support.
3020         (VCTZH): Likewise.
3021         (VCTZW): Likewise.
3022         (VCTZD): Likewise.
3023         (VPRTYBD): Add vector parity support.
3024         (VPRTYBQ): Likewise.
3025         (VPRTYBW): Likewise.
3026         (VCTZ): Add overloaded vector count trailing zeros support.
3027         (VPRTYB): Add overloaded vector parity support.
3028         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3029         overloaded vector count trailing zeros and parity instructions.
3030         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3031         vector parity support.
3032         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3033         trailing zeros support.
3034         (vec_cntlz): Likewise.
3035         (vec_vctzb): Likewise.
3036         (vec_vctzd): Likewise.
3037         (vec_vctzh): Likewise.
3038         (vec_vctzw): Likewise.
3039         (vec_vprtyb): Add ISA 3.0 vector parity support.
3040         (vec_vprtybd): Likewise.
3041         (vec_vprtybw): Likewise.
3042         (vec_vprtybq): Likewise.
3043         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3044         the ISA 3.0 vector count trailing zeros and vector parity built-in
3045         functions.
3046
3047         Back port from trunk
3048         2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3049
3050         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3051         VNEGW/VNEGD instructions.
3052         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3053         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3054         support for ISA 3.0 VNEGW/VNEGD instructions.
3055
3056         Back port from trunk
3057         2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3058
3059         * config/rs6000/predicates.md (quad_memory_operand): Move most of
3060         the code into quad_address_p and call it to share code with
3061         vsx_quad_dform_memory_operand.
3062         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
3063         d-form support.
3064         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
3065         bit instead of being a separate word.  Split -mpower9-dform into
3066         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
3067         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
3068         for the register class supporting 128-bit quad word memory offsets.
3069         (mode_supports_vsx_dform_quad): Helper function to return if the
3070         register class uses quad word memory offsets.
3071         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
3072         (rs6000_debug_reg_global): Always print if we are using LRA or not.
3073         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
3074         instructions are enabled, set up the appropriate addr_masks for
3075         128-bit types.
3076         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
3077         -mpower9-dform-scalar, instead of -mpower9-dform.
3078         (rs6000_option_override_internal): Split -mpower9-dform into two
3079         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
3080         -mpower9-dform switch sets or clears both.  If we are not using
3081         the LRA register allocator, do not enable -mpower9-dform-vector by
3082         default.  If we are using LRA, enable -mpower9-dform-vector and
3083         -mvsx-timode if it is appropriate.  Issue a warning if either
3084         -mpower9-dform-vector or -mvsx-timode are explicitly used without
3085         enabling LRA.
3086         (quad_address_offset_p): New helper function to return if the
3087         offset is legal for quad word memory instructions.
3088         (quad_address_p): New function to determin if GPR or vector
3089         register quad word memory addresses are legal.
3090         (mem_operand_gpr): Validate quad word address offsets.
3091         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
3092         d-form (register + offset) instructions.
3093         (offsettable_ok_by_alignment): Likewise.
3094         (rs6000_legitimate_offset_address_p): Likewise.
3095         (legitimate_lo_sum_address_p): Likewise.
3096         (rs6000_legitimize_address): Likewise.
3097         (rs6000_legitimize_reload_address): Add more debug statements for
3098         -mdebug=addr.
3099         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
3100         d-form instructions.
3101         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
3102         d-form instructions.  Distinguish different cases in debug
3103         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
3104         d-form instructions.
3105         (rs6000_preferred_reload_class): Likewise.
3106         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
3107         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
3108         of the ISA 2.06 indexed memory instructions.
3109         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
3110         use them to save/restore the saved vector registers instead of
3111         using Altivec instructions.
3112         (rs6000_emit_epilogue): Likewise.
3113         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
3114         (rs6000_opt_masks): Split -mpower9-dform into
3115         -mpower9-dform-scalar and -mpower9-dform-vector.
3116         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
3117         was not selected.
3118         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
3119         ISA 3.0 vector indexed memory instructions, and fold the code into
3120         the normal mov<mode> patterns.
3121         (p9_vecstore_<mode>): Likewise.
3122         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
3123         instructions.
3124         (vsx_movti_64bit): Likewise.
3125         (vsx_movti_32bit): Likewise.
3126         * config/rs6000/constraints.md (wO constraint): New constraint for
3127         ISA 3.0 vector d-form support.
3128         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
3129         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
3130         include -mpower9-dform-vector until we switch over to LRA.
3131         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
3132         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
3133         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
3134         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
3135         for -mpower9-dform and -mlra.
3136         * doc/md.texi (wO constraint): Document wO constraint.
3137
3138 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
3139
3140         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
3141         the factor for live Phi nodes.
3142
3143 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR middle-end/71371
3146         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
3147         around creation of the temporary.
3148
3149 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
3150
3151         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
3152         into account live statements for mask producers.
3153
3154 2016-05-31  Richard Biener  <rguenther@suse.de>
3155
3156         Backport from mainline
3157         2016-05-11  Richard Biener  <rguenther@suse.de>
3158
3159         PR debug/71057
3160         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
3161         (dwarf2out_finish): Move retry_incomplete_types call ...
3162         (dwarf2out_early_finish): ... here.
3163
3164 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3165
3166         PR target/71056
3167         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3168         NULL_TREE early if NEON is not available.  Remove now redundant check
3169         in ARM_CHECK_BUILTIN_MODE.
3170
3171 2016-05-31  Tom de Vries  <tom@codesourcery.com>
3172
3173         backport:
3174         2016-05-31  Tom de Vries  <tom@codesourcery.com>
3175
3176         PR tree-optimization/69068
3177         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
3178         phis with more than two args.
3179
3180 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
3181
3182         Backport from mainline
3183         2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
3184
3185         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
3186         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
3187         target.
3188
3189 2016-05-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3190
3191         Backport from mainline
3192         2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3193
3194         * config/rs6000/altivec.h: Change definitions of vec_xl and
3195         vec_xst.
3196         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
3197         (LD_ELEMREV_V2DI): New.
3198         (LD_ELEMREV_V4SF): New.
3199         (LD_ELEMREV_V4SI): New.
3200         (LD_ELEMREV_V8HI): New.
3201         (LD_ELEMREV_V16QI): New.
3202         (ST_ELEMREV_V2DF): New.
3203         (ST_ELEMREV_V2DI): New.
3204         (ST_ELEMREV_V4SF): New.
3205         (ST_ELEMREV_V4SI): New.
3206         (ST_ELEMREV_V8HI): New.
3207         (ST_ELEMREV_V16QI): New.
3208         (XL): New.
3209         (XST): New.
3210         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3211         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
3212         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
3213         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
3214         (altivec_expand_builtin): Add handling for
3215         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
3216         (rs6000_invalid_builtin): Add error-checking for
3217         RS6000_BTM_P9_VECTOR.
3218         (altivec_init_builtins): Define builtins used to implement vec_xl
3219         and vec_xst.
3220         (rs6000_builtin_mask_names): Define power9-vector.
3221         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
3222         (RS6000_BTM_P9_VECTOR): Define.
3223         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
3224         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
3225         (vsx_ld_elemrev_v2df): Likewise.
3226         (vsx_ld_elemrev_v4sf): Likewise.
3227         (vsx_ld_elemrev_v4si): Likewise.
3228         (vsx_ld_elemrev_v8hi): Likewise.
3229         (vsx_ld_elemrev_v16qi): Likewise.
3230         (vsx_st_elemrev_v2df): Likewise.
3231         (vsx_st_elemrev_v2di): Likewise.
3232         (vsx_st_elemrev_v4sf): Likewise.
3233         (vsx_st_elemrev_v4si): Likewise.
3234         (vsx_st_elemrev_v8hi): Likewise.
3235         (vsx_st_elemrev_v16qi): Likewise.
3236         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
3237         grammar.
3238
3239 2016-05-30  Richard Biener  <rguenther@suse.de>
3240
3241         Backport from mainline
3242         2016-05-11  Richard Biener  <rguenther@suse.de>
3243
3244         PR middle-end/71002
3245         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
3246         if the langhook insists on it.
3247         * fold-const.c (make_bit_field_ref): Add arg for the original
3248         reference and preserve its alias-set.
3249         (decode_field_reference): Take exp by reference and adjust it
3250         to the original memory reference.
3251         (optimize_bit_field_compare): Adjust callers.
3252         (fold_truth_andor_1): Likewise.
3253
3254         2016-05-13  Jakub Jelinek  <jakub@redhat.com>
3255
3256         PR bootstrap/71071
3257         * fold-const.c (fold_checksum_tree): Allow modification
3258         of TYPE_ALIAS_SET during folding.
3259
3260 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3261
3262         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
3263         (visium_expand_copysign): Use gen_int_mode directly.
3264         (visium_compute_frame_size): Minor tweaks.
3265
3266 2016-05-30  Tom de Vries  <tom@codesourcery.com>
3267
3268         backport:
3269         2016-05-30  Tom de Vries  <tom@codesourcery.com>
3270
3271         PR tree-optimization/69067
3272         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
3273
3274 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3275
3276         * config/visium/visium-protos.h (split_double_move): Rename into...
3277         (visium_split_double_move): ...this.
3278         (visium_split_double_add): Declare.
3279         * config/visium/visium.c (split_double_move): Rename into...
3280         (visium_split_double_move): ...this.
3281         (visium_split_double_add): New function.
3282         (visium_expand_copysign): Renumber operands for consistency.
3283         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
3284         (DFmode move splitter): Likewise.
3285         (*addi3_insn): Split by means of visium_split_double_add.
3286         (*adddi3_insn_flags): Delete.
3287         (*plus_plus_sltu<subst_arith>): New insn.
3288         (*subdi3_insn): Split by means of visium_split_double_add.
3289         (subdi3_insn_flags): Delete.
3290         (*minus_minus_sltu<subst_arith>): New insn.
3291         (*negdi2_insn): Split by means of visium_split_double_add.
3292         (*negdi2_insn_flags): Delete.
3293
3294 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
3295
3296         Backport from mainline r236810.
3297         2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
3298
3299         PR middle-end/71279
3300         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
3301         into comparison.
3302
3303 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3304
3305         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
3306         redundant test and bail out if the type of the new operand is not
3307         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
3308
3309 2016-05-24  Martin Sebor  <msebor@redhat.com>
3310
3311         PR c++/71147
3312         * tree.h (complete_or_array_type_p): New inline function.
3313
3314 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3315
3316         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3317         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3318         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.  Use SSE_REGS instead
3319         of ALL_SSE_REGS.  Return SSE_REGS also when TARGET_AVX.
3320
3321 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3322
3323         PR c++/71257
3324         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3325         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3326         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3327         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3328         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3329
3330 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3331
3332         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3333         default block if a PHI node in the original one would be resized.
3334
3335 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3336
3337         PR tree-optimization/70884
3338         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3339         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3340         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3341         of constant pool data as a reason for scalarization.
3342
3343 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3344
3345         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3346         for naked functions.
3347         (thumb1_expand_prologue): Likewise.
3348
3349 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3350
3351         PR c++/71210
3352         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3353         calls if the LHS is variable length or has addressable type.
3354         If targets[0]->decl is a noreturn call with void return type and
3355         zero arguments, adjust fntype and remove lhs in that case.
3356
3357 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3358
3359         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3360         force pending loads from memory.
3361
3362 2016-05-19  Marek Polacek  <polacek@redhat.com>
3363
3364         Backport from mainline
3365         2016-05-19  Marek Polacek  <polacek@redhat.com>
3366
3367         PR tree-optimization/71031
3368         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3369         condition and adjust the code a bit.
3370
3371 2016-05-19  Martin Jambor  <mjambor@suse.cz>
3372
3373         PR ipa/70646
3374         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
3375         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
3376
3377 2016-05-19  Martin Jambor  <mjambor@suse.cz>
3378
3379         PR ipa/70646
3380         * ipa-inline.h (condition): New field size.
3381         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
3382         for comaprison and store it into the new condition.
3383         (evaluate_conditions_for_known_args): Use condition size to check
3384         access sizes for all but CHANGED conditions.
3385         (unmodified_parm_1): New parameter size_p, store access size into it.
3386         (unmodified_parm): Likewise.
3387         (unmodified_parm_or_parm_agg_item): Likewise.
3388         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
3389         (set_cond_stmt_execution_predicate): Extract access sizes and store
3390         them to conditions.
3391         (set_switch_stmt_execution_predicate): Likewise.
3392         (will_be_nonconstant_expr_predicate): Likewise.
3393         (will_be_nonconstant_predicate): Likewise.
3394         (inline_read_section): Stream condition size.
3395         (inline_write_summary): Likewise.
3396         * lto-streamer.h (LTO_minor_version): Bump.
3397
3398 2016-05-18  Martin Liska  <mliska@suse.cz>
3399
3400         Backport from mainline
3401         2016-05-18  Martin Liska  <mliska@suse.cz>
3402
3403         PR fortran/70856
3404         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
3405         merged variables.
3406
3407 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3408
3409         PR c++/71100
3410         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3411         lhs if it has TREE_ADDRESSABLE type.
3412
3413 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3414
3415         PR target/71145
3416         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3417         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3418
3419 2016-05-17  Thomas Schwinge  <thomas@codesourcery.com>
3420
3421         Backport trunk r235748:
3422         PR target/70860
3423         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
3424         (nvptx_function_value): Assert non-NULL cfun.
3425
3426 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3427
3428         Backport from mainline
3429         2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3430
3431         PR target/70809
3432         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
3433
3434 2016-05-16  Martin Jambor  <mjambor@suse.cz>
3435
3436         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
3437         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
3438
3439 2016-05-16  Martin Jambor  <mjambor@suse.cz>
3440
3441         PR hsa/70857
3442         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
3443         the outlined kernel function.
3444
3445 2016-05-16  James Norris  <jnorris@codesourcery.com>
3446
3447         Backport from mainline r236098.
3448         2016-05-10  James Norris  <jnorris@codesourcery.com>
3449
3450         PR driver/68463
3451         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
3452         if offloading is enabled and -fopenacc or -fopenmp is specified.
3453         (CRTOFFLOADEND): Likewise.
3454         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
3455         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
3456
3457 2016-05-16  Alan Modra  <amodra@gmail.com>
3458
3459         Apply from mainline
3460         2016-05-10  Alan Modra  <amodra@gmail.com>
3461         PR target/70947
3462         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
3463         regrename modifying insns saving lr before __morestack call.
3464         * config/rs6000/rs6000.md (split_stack_return): Similarly for
3465         insns restoring lr after __morestack call.
3466
3467 2016-05-13  Richard Biener  <rguenther@suse.de>
3468
3469         Backport from mainline
3470         2016-04-27  Richard Biener  <rguenther@suse.de>
3471
3472         PR ipa/70760
3473         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
3474         aggregate_value_p to determine if a function result is
3475         returned by reference.
3476
3477         2016-05-06  Richard Biener  <rguenther@suse.de>
3478
3479         PR middle-end/70931
3480         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3481
3482         2016-05-06  Richard Biener  <rguenther@suse.de>
3483
3484         PR middle-end/70941
3485         * fold-const.c (split_tree): Always convert to the original type
3486         before negating.
3487
3488 2016-05-12  Martin Liska  <mliska@suse.cz>
3489
3490         Backport from mainline
3491         2016-05-10  Martin Liska  <mliska@suse.cz>
3492
3493         * tree-inline.c (remap_dependence_clique): Do not remap
3494         debugging statements.
3495
3496 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
3497
3498         Backport from mainline r236171.
3499         2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
3500
3501         PR tree-optimization/71006
3502         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
3503         consider COND_EXPR as a mask producer.
3504
3505 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3506
3507         Backport from mainline
3508         2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3509
3510         PR target/70830
3511         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
3512         when popping the PC and within an interrupt handler routine.
3513         Add missing tab to output of "ldmfd".
3514         (output_return_instruction): Output LDMFD with SP update rather
3515         than POP when returning from interrupt handler.
3516
3517 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
3518
3519         Backport from mainline r236088.
3520         2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
3521
3522         PR middle-end/70877
3523         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
3524         calls with type casted fndecl.
3525
3526 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
3527
3528         Backport from mainline r236086.
3529         2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
3530
3531         PR tree-optimization/70876
3532         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
3533         * gcc/calls.c (initialize_argument_information): Bind bounds
3534         with corresponding args passed by reference.
3535
3536 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3537
3538         Backport from mainline
3539         2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3540
3541         PR target/70963
3542         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
3543         code for a zero scale factor.
3544         (vsx_xvcvdpuxds_scale): Likewise.
3545
3546 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
3547
3548         Backported from mainline
3549         2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3550
3551         PR tree-optimization/70916
3552         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3553         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3554
3555 2016-05-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
3556
3557         Backport from mainline r235962.
3558         2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3559
3560         PR debug/70935
3561         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3562         loop latch destination.
3563
3564 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3565
3566         Backport from mainline
3567         2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3568
3569         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
3570         ("*fixuns_truncdfdi2_z13")
3571         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
3572         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
3573         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
3574
3575 2016-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3576
3577         Backport from mainline
3578         2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3579
3580         * config/rtems.h (LIB_SPEC): Add -latomic.
3581
3582 2016-05-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3583
3584         Backport from mainline
3585         2016-04-27  Joel Sherrill  <joel@rtems.org>
3586
3587         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
3588         xilink.ld and flags not relevant to RTEMS.
3589
3590 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
3591
3592         * config/i386/i386.md (absneg splitters with general regs): Use
3593         general_reg_operand predicate.
3594         (btsq peephole2): Use x86_64_immediate_operand to check if new
3595         value is suitable for immediate operand.  Generate emitted insn
3596         using RTL expressions.
3597         (btcq peephole2): Ditto.
3598         (btrq peephole2): Ditto.  Generate correct immediate operand
3599         for AND masking.
3600
3601 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3602
3603         backport:
3604         2016-05-07  Tom de Vries  <tom@codesourcery.com>
3605
3606         PR tree-optimization/70956
3607         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3608         def.
3609
3610 2016-05-06  Marek Polacek  <polacek@redhat.com>
3611
3612         Backported from mainline
3613         2016-05-06  Marek Polacek  <polacek@redhat.com>
3614
3615         PR sanitizer/70875
3616         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3617
3618 2016-05-06  Marek Polacek  <polacek@redhat.com>
3619
3620         Backported from mainline
3621         2016-04-29  Marek Polacek  <polacek@redhat.com>
3622                     Jakub Jelinek  <jakub@redhat.com>
3623
3624         PR sanitizer/70342
3625         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
3626         TARGET_EXPR_SLOT as a base.
3627
3628 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3629
3630         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3631         comment.
3632         (compute_samebase_partition_bases): Fix typo.
3633
3634 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3635
3636         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3637         occurence with frame_offset_ ones.
3638
3639 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
3640
3641         PR target/70858
3642         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
3643         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
3644         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
3645         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
3646         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
3647
3648 2016-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3649
3650         Backport from mainline
3651         2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3652
3653         PR ada/70759
3654         * stor-layout.h (internal_reference_types): Delete.
3655         * stor-layout.c (reference_types_internal): Likewise.
3656         (internal_reference_types): Likewise.
3657         (layout_type) <REFERENCE_TYPE>: Adjust.
3658
3659 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3660
3661         Backport from mainline
3662         2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3663
3664         * config/rs6000/rs6000-builtin.def: Correct pasto error for
3665         stxvd2x and stxvw4x built-in functions.
3666
3667 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3668
3669         Backported from mainline
3670         2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3671
3672         PR target/70750
3673         * config/i386/predicates.md (call_insn_operand): Replace
3674         sibcall_memory_operand with memory_operand.
3675
3676 2016-04-27  Richard Biener  <rguenther@suse.de>
3677
3678         PR ipa/70785
3679         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
3680         function cummulating used_from_other_partition, externally_visible
3681         and force_output from aliases.
3682         (refered_from_nonlocal_var): Likewise.
3683         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
3684         node flags properly.
3685
3686 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
3687
3688         Backported from mainline
3689         2016-04-23  Jakub Jelinek  <jakub@redhat.com>
3690
3691         PR sanitizer/70712
3692         * cfgexpand.c (expand_stack_vars): Fix typo.
3693
3694         2016-04-19  Jakub Jelinek  <jakub@redhat.com>
3695
3696         PR middle-end/70680
3697         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
3698         implicitly linear or lastprivate iterator on the outer context.
3699
3700 2016-04-27  Kirill Yukhin  <kirill.yukhin@intel.com>
3701
3702         PR target/70728
3703         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
3704         Extract AVX-512BW constraint from AVX.
3705
3706 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
3707
3708         * BASE-VER: Set to 6.1.1.
3709
3710 2016-04-27  Release Manager
3711
3712         * GCC 6.1.0 released.
3713
3714 2016-04-25  Richard Biener  <rguenther@suse.de>
3715
3716         PR tree-optimization/70780
3717         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
3718         wasn't visited yet.
3719         (compute_antic): Mark blocks with abnormal preds as visited as
3720         they have a final empty antic-in solution already.
3721
3722 2016-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3723
3724         Backport from mainline
3725         2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
3726
3727         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
3728
3729 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3730
3731         * system.h (list, map, set, vector): Include conditionally.
3732         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
3733         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
3734         * ipa-icf.c (INCLUDE_LIST): Define.
3735         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
3736         * config/sh/sh.c (INCLUDE_VECTOR): Define.
3737         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
3738         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
3739         * cp/logic.cc (INCLUDE_LIST): Define.
3740         * fortran/trans-common.c (INCLUDE_MAP): Define.
3741
3742 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
3743
3744         * auto-profile.c: Remove <string.h> include.
3745         * ipa-icf-gimple.c: Remove <list> include.
3746         * diagnostic.c: Remove <new> include.
3747         * genmatch.c: Likewise.
3748         * pretty-print.c: Likewise.
3749         * toplev.c: Likewise
3750         * c/c-objc-common.c: Likewise.
3751         * cp/error.c: Likewise.
3752         * fortran/error.c: Likewise.
3753
3754 2016-04-21  Richard Biener  <rguenther@suse.de>
3755
3756         PR middle-end/70747
3757         * fold-const.c (fold_comparison): Return properly typed
3758         constant boolean.
3759
3760 2016-04-20  Andrew Pinski  <apinski@cavium.com>
3761             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3762
3763         PR target/64971
3764         * config/aarch64/aarch64.md (sibcall): Force call
3765         address to be DImode for ILP32.
3766         (sibcall_value): Likewise.
3767
3768 2016-04-20  Marek Polacek  <polacek@redhat.com>
3769
3770         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
3771         rather than true.
3772
3773 2016-04-20  Marek Polacek  <polacek@redhat.com>
3774
3775         PR tree-optimization/70725
3776         * tree-if-conv.c (is_false_predicate): New function.
3777         (predicate_mem_writes): Use it.
3778
3779 2016-04-20  Richard Biener  <rguenther@suse.de>
3780
3781         PR tree-optimization/70726
3782         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
3783         shift amounts from a pattern stmt operand.
3784
3785 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3786
3787         PR target/70674
3788         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
3789         stack_restore_from_fpr pattern when restoring r15.
3790         (s390_optimize_prologue): Strip away the memory barrier in the
3791         parallel when trying to get rid of restore insns.
3792         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
3793         definition for loading the stack pointer from an FPR.  Compared to
3794         the normal move insn this pattern includes a full memory barrier.
3795
3796 2016-04-19  Richard Biener  <rguenther@suse.de>
3797
3798         PR tree-optimization/70724
3799         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
3800         restoring out from ...
3801         (free_scc_vn): ... here.
3802         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
3803         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
3804         tail merging.
3805         (pass_fre::execute): Restore SSA info.
3806
3807 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3808
3809         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
3810         gld requirements.
3811         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc
3812         versions.
3813         Mention Solaris 11 packaging changes.
3814         Update gas and gld requirements.
3815         Remove reference to pre-Solaris 10 bug.
3816         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
3817         systems and bugs.
3818         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
3819         with cc.
3820
3821 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
3822
3823         PR target/70711
3824         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
3825         armv8.1-a and armv8.1-a+crc.
3826
3827 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
3828
3829         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
3830         unless compiling with at least GCC-4.8.
3831
3832 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
3833
3834         PR target/70662
3835         * config/i386/sse.md (define_insn "<avx512>_vec_dup<mode><mask_name>"):
3836         Fix mode size check.
3837
3838 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
3839
3840         * BASE-VER: Set to 6.0.1.
3841         * DEV-PHASE: Set to prerelease.
3842
3843 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
3844
3845         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
3846
3847 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3848
3849         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
3850         architecture revisions.
3851
3852 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
3853
3854         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
3855         * config/i386/i386.c (ix86_using_red_zone): No longer static.
3856         * config/i386/i386.md (stack decrement to push peepholes): Guard
3857         with !x86_using_red_zone ().
3858
3859 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
3860
3861         PR c++/70675
3862         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
3863         to dump_generic_node.
3864         (NIY): Pass also flags to do_niy.
3865
3866 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
3867
3868         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
3869         (simd_clone_vector_of_formal_parm_types)
3870         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
3871         (simd_clone_mangle, simd_clone_create)
3872         (simd_clone_adjust_return_type, create_tmp_simd_array)
3873         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
3874         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
3875         (ipa_simd_modify_function_body, simd_clone_linear_addend)
3876         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
3877         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
3878         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move
3879         into...
3880         * omp-simd-clone.c: ... this new file.
3881         (simd_clone_vector_of_formal_parm_types): Make it static.
3882         * Makefile.in (OBJS): Add omp-simd-clone.o.
3883
3884 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
3885
3886         PR target/70662
3887         * config/i386/sse.md: Use proper memory operand
3888         modifiers.
3889
3890
3891 2016-04-15  Richard Biener  <rguenther@suse.de>
3892         Alan Modra  <amodra@gmail.com>
3893
3894         PR tree-optimization/70130
3895         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
3896         when alignment stays not the same and no not use the realign
3897         scheme then.
3898
3899 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3900
3901         PR target/70669
3902         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
3903         direct move handlers for KFmode. Change TFmode handlers test from
3904         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
3905
3906 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
3907
3908         PR c++/70594
3909         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
3910         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
3911         (inlined_polymorphic_ctor_dtor_block_p): Use it.
3912         * tree-ssa-live.c (remove_unused_scope_block_p): When
3913         in_ctor_dtor_block, avoid discarding not just BLOCKs with
3914         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
3915         block_ultimate_origin is FUNCTION_DECL.
3916         (remove_unused_locals): If current_function_decl is
3917         polymorphic_ctor_dtor_p, pass initial true to
3918         remove_unused_scope_block_p' is_ctor_dtor_block.
3919
3920 2016-04-14  Martin Sebor  <msebor@redhat.com>
3921
3922         PR c++/69517
3923         PR c++/70019
3924         PR c++/70588
3925         * doc/extend.texi (Variable Length): Revert.
3926
3927 2016-04-14  Marek Polacek  <polacek@redhat.com>
3928             Jan Hubicka  <hubicka@ucw.cz>
3929
3930         PR c++/70029
3931         * tree.c (verify_type): Disable the canonical type of main variant
3932         check.
3933
3934 2016-04-14  Jason Merrill  <jason@redhat.com>
3935
3936         * cfgexpand.c, expr.c: Revert previous change.
3937
3938 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
3939
3940         PR middle-end/70643
3941         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
3942         when building a mem ref for the incoming reduction variable.
3943
3944 2016-04-14  Richard Biener  <rguenther@suse.de>
3945
3946         PR tree-optimization/70614
3947         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
3948         loop if the evolution dropped to chrec_dont_know.
3949         (interpret_condition_phi): Likewise.
3950
3951 2016-04-14  Richard Biener  <rguenther@suse.de>
3952
3953         PR tree-optimization/70623
3954         * tree-ssa-pre.c (changed_blocks): Make global ...
3955         (compute_antic): ... local here.  Move and fix worklist
3956         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
3957         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
3958         worklist handling, dump when ANTIC_IN changed.
3959         (compute_partial_antic_aux): Remove worklist handling.
3960         (init_pre): Do not compute post dominators.  Add a comment about
3961         the CFG order chosen.
3962         (fini_pre): Do not free post dominators.
3963
3964 2016-04-13  Martin Sebor  <msebor@redhat.com>
3965
3966         PR c++/69517
3967         PR c++/70019
3968         PR c++/70588
3969         * doc/extend.texi (Variable Length): Document C++ specifics.
3970
3971 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
3972
3973         PR c++/70641
3974         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
3975         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
3976         eh edges have been purged.
3977
3978         PR c++/70594
3979         * tree-sra.c (create_access_replacement,
3980         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
3981         gets fancy name.
3982         * tree-pretty-print.c (dump_fancy_name): New function.
3983         (dump_decl_name, dump_generic_node): Use it.
3984
3985 2016-04-13  Jason Merrill  <jason@redhat.com>
3986
3987         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
3988         * expr.c (expand_expr_real_1): Likewise.
3989
3990 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
3991
3992         * config/i386/i386.md (kunpckhi): Swap operands.
3993         (kunpcksi): Likewise.
3994         (kunpckdi): Likewise.
3995         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
3996         (vec_pack_trunc_<mode>): Likewise.
3997
3998 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
3999
4000         PR debug/70628
4001         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
4002
4003         PR middle-end/70633
4004         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
4005         gimplification turns some element into non-constant.
4006
4007         PR debug/70628
4008         * rtl.h (convert_memory_address_addr_space_1): New prototype.
4009         * explow.c (convert_memory_address_addr_space_1): No longer static,
4010         add NO_EMIT argument and don't call convert_modes if true, pass
4011         it down recursively, remove break after return.
4012         (convert_memory_address_addr_space): Adjust caller.
4013         * simplify-rtx.c (simplify_unary_operation_1): Call
4014         convert_memory_address_addr_space_1 instead of convert_memory_address,
4015         if it returns NULL, don't simplify.
4016
4017 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
4018
4019         PR target/70630
4020         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
4021
4022 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
4023
4024         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4025         Bump the upper SIMDLEN limits, so that if the return type or
4026         characteristic type if the return type is void can be passed in
4027         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
4028         allowed.
4029
4030 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4031
4032         PR target/70640
4033         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
4034         Do not use "=" constraint on an input constraint.
4035         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
4036         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
4037         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
4038         generates (neg (abs ...)) instead of (abs ...).
4039
4040 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
4041
4042         PR rtl-optimization/70596
4043         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
4044         just invalidate LRA data and reset them.  Adjust dump wording.
4045
4046 2016-04-12  Martin Liska  <mliska@suse.cz>
4047
4048         Revert
4049         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
4050
4051         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
4052         estimates here.
4053         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
4054         max_loop_iterations_int.
4055         (tree_unswitch_outer_loop): Likewise.
4056         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
4057         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
4058
4059 2016-04-12  Tom de Vries  <tom@codesourcery.com>
4060
4061         PR tree-optimization/68756
4062         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
4063         instead of new_name.
4064
4065 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
4066
4067         PR tree-optimization/70602
4068         * tree-sra.c (generate_subtree_copies): Don't write anything into
4069         constant pool decls.
4070
4071         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
4072         regardless whether there are depend clauses or not.
4073
4074 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4075
4076         PR target/70381
4077         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
4078         target attribute and pragma from changing the -mfloat128
4079         and -mfloat128-hardware options.
4080
4081         * doc/extend.texi (Additional Floating Types): Document PowerPC
4082         __float128 restrictions.
4083
4084 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
4085
4086         PR target/70133
4087         * config/aarch64/driver-aarch64.c
4088         (aarch64_get_extension_string_for_isa_flags): New.
4089         (arch_extension): Rename to...
4090         (aarch64_arch_extension): ...This.
4091         (ext_to_feat_string): Rename to...
4092         (aarch64_extensions): ...This.
4093         (aarch64_core_data): Keep track of architecture extension flags.
4094         (cpu_data): Rename to...
4095         (aarch64_cpu_data): ...This.
4096         (aarch64_arch_driver_info): Keep track of architecture extension
4097         flags.
4098         (get_arch_name_from_id): Rename to...
4099         (get_arch_from_id): ...This, change return type.
4100         (host_detect_local_cpu): Update and reformat for renames, handle
4101         extensions through common infrastructure.
4102
4103 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
4104
4105         PR target/70133
4106         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
4107         track of a canonical flag name.
4108         (all_extensions): Likewise.
4109         (arch_to_arch_name): Also track extension flags enabled by the arch.
4110         (all_architectures): Likewise.
4111         (aarch64_parse_extension): Move to here.
4112         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
4113         rework.
4114         (aarch64_rewrite_selected_cpu): Update for above change.
4115         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
4116         are handled, such that the single explicit value enabled by an
4117         extension is kept seperate from the implicit values it also enables.
4118         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
4119         to here.
4120         (aarch64_parse_extension): New.
4121         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
4122         here to config/aarch64/aarch64-protos.h.
4123         (aarch64_parse_extension): Move from here to
4124         common/config/aarch64/aarch64-common.c.
4125         (aarch64_option_print): Update.
4126         (aarch64_declare_function_name): Likewise.
4127         (aarch64_start_file): Likewise.
4128         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
4129         the canonical flag for extensions.
4130         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
4131         flags.
4132
4133 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
4134
4135         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
4136         AARCH64_FL_CRC.
4137
4138 2016-04-09  Tom de Vries  <tom@codesourcery.com>
4139
4140         PR tree-optimization/68953
4141         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
4142         first to last subscript.
4143
4144 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
4145
4146         PR tree-optimization/70586
4147         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
4148         for any calls.
4149
4150 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
4151
4152         PR lto/70289
4153         PR ipa/70348
4154         PR tree-optimization/70373
4155         PR middle-end/70533
4156         PR middle-end/70534
4157         PR middle-end/70535
4158         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
4159         clauses for acc parallel reductions as necessary.  Error on those
4160         that are private.
4161         * omp-low.c (scan_sharing_clauses): Don't install variables which
4162         are used in acc parallel reductions.
4163         (lower_rec_input_clauses): Remove dead code.
4164         (lower_oacc_reductions): Add support for reference reductions.
4165         (lower_reduction_clauses): Remove dead code.
4166         (lower_omp_target): Don't remap variables appearing in acc parallel
4167         reductions.
4168         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
4169
4170 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
4171
4172         PR middle-end/70593
4173         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
4174         with multiple SSA_NAME defs, force the outputs other than first
4175         to be live before calling live_track_process_def on each output.
4176
4177         PR rtl-optimization/70574
4178         * fwprop.c (forward_propagate_and_simplify): Don't add
4179         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
4180         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
4181         paradoxical subregs within *loc.
4182
4183 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
4184
4185         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
4186         -ftree-parallelize-loops={0,1}.
4187         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
4188         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
4189         * config/ia64/hpux.h (LIB_SPEC): Likewise.
4190         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
4191         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
4192
4193 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
4194
4195         PR sanitizer/70541
4196         * asan.c (instrument_derefs): If we get unknown location, extract it
4197         with EXPR_LOCATION.
4198         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
4199
4200 2016-04-08  Tom de Vries  <tom@codesourcery.com>
4201
4202         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
4203         implicit firstprivate clause.
4204
4205 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4206
4207         PR target/70566
4208         * config/arm/thumb2.md (tst + branch-> lsls + branch
4209         peephole below *orsi_not_shiftsi_si): Require that condition
4210         register is dead after the peephole.
4211         (second peephole after the above): Likewise.
4212
4213 2016-04-08  Alan Modra  <amodra@gmail.com>
4214
4215         PR target/70117
4216         * builtins.c (fold_builtin_classify): For IBM extended precision,
4217         look at just the high-order double to test for NaN.
4218         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
4219         test just the high double for Inf but both doubles for subnormal
4220         limit.
4221
4222 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
4223
4224         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
4225         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
4226         node->simdclone->mask_mode != VOIDmode masks.
4227         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
4228         earlier, use it instead of node->simdclone.
4229         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4230         Set clonei->mask_mode.
4231
4232 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
4233
4234         PR c/70436
4235         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
4236         Pass it through to cp_parser_already_scoped_statement.
4237         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
4238         it through to cp_parser_statement.
4239         (cp_parser_statement): Pass IF_P through to
4240         cp_parser_iteration_statement.
4241         (cp_parser_pragma): Adjust call to
4242         cp_parser_iteration_statement.
4243
4244 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
4245
4246         PR c/70436
4247         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
4248         resolve a future -Wparentheses warning.
4249         * omp-low.c (scan_sharing_clauses): Likewise.
4250         * tree-parloops.c (eliminate_local_variables): Likewise.
4251
4252 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
4253
4254         PR rtl-optimization/70398
4255         * lra-constraints.c (process_address_1): Check zero scale and code
4256         for reloading with zero scale.
4257
4258 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
4259
4260         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
4261         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
4262
4263 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
4264
4265         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
4266         Add support for AVX512F clones, include them by default for
4267         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
4268         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
4269         up to 128.
4270
4271         PR middle-end/70550
4272         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
4273         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
4274         firstprivate clauses.
4275         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
4276         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
4277         (lower_omp_target): Set TREE_NO_WARNING for
4278         non-addressable possibly uninitialized vars which are copied into
4279         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
4280
4281 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
4282
4283         * config/pa/predicates.md (integer_store_memory_operand): Accept
4284         REG+D operands with a large offset when reload_in_progress is true.
4285         (floating_point_store_memory_operand): Likewise.
4286
4287 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
4288
4289         PR c++/70336
4290         * match.pd (nested int casts): Limit to GIMPLE.
4291
4292 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
4293
4294         PR ipa/66223
4295         * ipa-devirt.c (maybe_record_node): Fix comment; use
4296         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
4297
4298 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
4299
4300         PR rtl-optimization/70542
4301         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
4302         if there are any uses other than insn or debug insns.
4303
4304 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
4305             Jakub Jelinek  <jakub@redhat.com>
4306
4307         PR tree-optimization/70509
4308         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
4309         Shift HOST_WIDE_INT_1U instead of 1.
4310
4311 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
4312
4313         PR tree-optimization/70509
4314         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
4315         of the vector base type for index.
4316
4317 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
4318
4319         PR target/70510
4320         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
4321
4322 2016-04-05  Richard Biener  <rguenther@suse.de>
4323
4324         PR tree-optimization/70526
4325         * tree-sra.c (build_ref_for_offset): Use prev_base to
4326         extract the alias pointer type.
4327
4328 2016-04-05  Richard Biener  <rguenther@suse.de>
4329
4330         * dse.c (struct store_info): Remove alias_set member.
4331         (struct read_info_type): Likewise.
4332         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
4333         spill_deleted, clear_alias_set_lookup): Remove.
4334         (get_group_info): Remove dead base == NULL_RTX case.
4335         (dse_step0): Remove initialization of removed variables.
4336         (delete_dead_store_insn): Reomve alias set dumping.
4337         (free_read_records): Remove alias_set handling.
4338         (canon_address): Remove alias_set_out parameter.
4339         (record_store): Remove spill_alias_set, it's always zero.
4340         (check_mem_read_rtx): Likewise.
4341         (dse_step2): Rename from ...
4342         (dse_step2_nospill): ... this.  Adjust.
4343         (scan_stores): Rename from ...
4344         (scan_stores_nospill): ... this.
4345         (scan_reads): Rename from ...
4346         (scan_reads_nospill): ... this.
4347         (scan_stores_spill, scan_reads_spill): Remove.
4348         (dse_step3_scan): Remove for_spills argument which is always false.
4349         (dse_step3): Likewise.
4350         (dse_step5): Rename from ...
4351         (dse_step5_nospill): ... this.  Remove alias_set handling.
4352         (rest_of_handle_dse): Adjust.
4353
4354 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
4355
4356         PR target/70525
4357         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
4358         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
4359         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
4360         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
4361
4362 2016-04-05  Richard Biener  <rguenther@suse.de>
4363
4364         PR middle-end/70499
4365         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
4366         non-register type temporaries into SSA.
4367
4368 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
4369
4370         PR ipa/66223
4371         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
4372         calls when sanitizing.
4373         (possible_polymorphic_call_target_p): Fix formatting.
4374
4375 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4376             Jakub Jelinek <jakub@redhat.com>
4377
4378         PR middle-end/70457
4379         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
4380         to ensure a call statement is compatible with a built-in's
4381         prototype.
4382         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
4383         Likewise.
4384
4385 2016-04-04  Richard Biener  <rguenther@suse.de>
4386
4387         PR rtl-optimization/70484
4388         * rtl.h (canon_output_dependence): Declare.
4389         * alias.c (canon_output_dependence): New function.
4390         * dse.c (record_store): Use canon_output_dependence rather
4391         than canon_true_dependence.
4392
4393 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
4394
4395         PR ipa/68881
4396         * cgraph.h (symtab_node::copy_visibility_from): New function.
4397         * symtab.c (symtab_node::copy_visibility_from): New function.
4398         * ipa-visibility.c (optimize_weakref): New function.
4399         (function_and_variable_visibility): Use it.
4400
4401 2016-04-04  Martin Liska  <mliska@suse.cz>
4402
4403         PR hsa/70402
4404         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
4405         value that is really in range handled by SBR instruction.
4406         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
4407         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
4408         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
4409
4410 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
4411
4412         PR target/70416
4413         PR target/67391
4414         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
4415         set, but not for SP_REG operands.
4416
4417 2016-04-02  Martin Sebor  <msebor@redhat.com>
4418
4419         PR c++/67376
4420         * fold-const.c (maybe_nonzero_address): New function.
4421         (fold_comparison): Call it.  Fold equality and relational
4422         expressions involving null pointers.
4423         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
4424
4425 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
4426
4427         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
4428         the "Y" constraint (scalar FP 0.0 immediate).
4429
4430         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
4431         Add the "const_double" to the list of operand constraints.
4432
4433 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
4434
4435         PR rtl-optimization/70467
4436         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
4437         If low word of the last operand is 0, just emit addition/subtraction
4438         for the high word.
4439
4440 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4441
4442         PR target/70404
4443         * config/s390/s390.c (s390_expand_insv): Check for everything
4444         constant instead of just VOIDmode stuff.
4445
4446 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4447
4448         PR target/70496
4449         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
4450
4451 2016-04-01  Nathan Sidwell  <nathan@acm.org>
4452
4453         * tree.def (TRY_CATCH_EXPR): Correct documentation.
4454
4455 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
4456
4457         PR rtl-optimization/70461
4458         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
4459         is necessary.
4460
4461 2016-03-31  Martin Liska  <mliska@suse.cz>
4462
4463         PR hsa/70399
4464         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
4465         a tree value or an immediate integer value to a buffer
4466         that is eventually copied to a BRIG section.
4467         (emit_immediate_operand): Call the function here.
4468         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
4469         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
4470         of class' fields that are removed.
4471         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
4472         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
4473         m_brig_repr_size fields.
4474
4475 2016-03-31  Martin Liska  <mliska@suse.cz>
4476
4477         PR hsa/70391
4478         * hsa-gen.c (hsa_function_representation::update_dominance): New
4479         function.
4480         (convert_addr_to_flat_segment): Likewise.
4481         (gen_hsa_memory_set): New alignment argument.
4482         (gen_hsa_ctor_assignment): Likewise.
4483         (gen_hsa_insns_for_single_assignment): Provide alignment
4484         to gen_hsa_ctor_assignment.
4485         (gen_hsa_insns_for_direct_call): Add new argument.
4486         (expand_lhs_of_string_op): New function.
4487         (expand_string_operation_builtin): Likewise.
4488         (expand_memory_copy): New function.
4489         (expand_memory_set): New function.
4490         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
4491         (convert_switch_statements): Change signature.
4492         (generate_hsa): Use a return value of the function.
4493         (pass_gen_hsail::execute): Do not call
4494         convert_switch_statements here.
4495         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
4496         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
4497         (hsa_function_representation::update_dominance): New function.
4498
4499 2016-03-31  Martin Liska  <mliska@suse.cz>
4500
4501         PR hsa/70391
4502         * hsa-brig.c (emit_directive_variable): Emit alignment
4503         according to hsa_symbol::m_align.
4504         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
4505         (dump_hsa_symbol): Dump alignment of HSA symbols.
4506         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
4507         (gen_hsa_addr_with_align): New function.
4508         (hsa_bitmemref_alignment): Use newly added function.
4509         (gen_hsa_insns_for_load): Likewise.
4510         (gen_hsa_insns_for_store): Likewise.
4511         (gen_hsa_memory_copy): New argument added.
4512         (gen_hsa_insns_for_single_assignment): Respect
4513         alignment for assignments processed via gen_hsa_memory_copy.
4514         (gen_hsa_insns_for_direct_call): Likewise.
4515         (gen_hsa_insns_for_return): Likewise.
4516         (gen_function_def_parameters): Set default alignment.
4517         * hsa.c (hsa_object_alignment): New function.
4518         (hsa_byte_alignment): Pasted function.
4519         * hsa.h (hsa_symbol::m_align): New field.
4520
4521 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
4522
4523         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
4524         scratch field for goto case.
4525
4526 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
4527
4528         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
4529
4530 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
4531
4532         PR target/70442
4533         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
4534         (scalar_chain::convert_insn): Call convert_op for reg
4535         moves to handle undefined registers.
4536
4537 2016-03-31  Nathan Sidwell  <nathan@acm.org>
4538
4539         PR c++/70393
4540         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
4541         Assert we don't want to move backwards.
4542
4543 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
4544
4545         PR target/70453
4546         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
4547
4548 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
4549
4550         PR rtl-optimization/70460
4551         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
4552         with operand from REG_LABEL_OPERAND, instead substitute
4553         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
4554         Don't do anything for REG_NON_LOCAL_GOTO jumps.
4555
4556 2016-03-31  Martin Liska  <mliska@suse.cz>
4557
4558         * passes.c (execute_one_pass): Do not call
4559         todo_after for a discarded function.
4560
4561 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
4562
4563         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
4564         (no_cost, infinite_cost): Initialize the new field.
4565         (get_computation_cost_at): Record setup cost.
4566         (determine_use_iv_cost_address): Skip cost computation for sub
4567         uses if we can estimate it without losing accuracy.
4568
4569 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
4570
4571         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
4572         estimates here.
4573         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
4574         max_loop_iterations_int.
4575         (tree_unswitch_outer_loop): Likewise.
4576         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
4577         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
4578
4579 2016-03-30  Richard Biener  <rguenther@suse.de>
4580
4581         PR middle-end/70450
4582         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
4583
4584 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
4585
4586         PR target/70421
4587         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
4588         in gen_blendm expander.
4589
4590 2016-03-30  Nick Clifton  <nickc@redhat.com>
4591
4592         PR target/62254
4593         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
4594         case where we are already provided with an SImode SUBREG.
4595
4596 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4597
4598         PR target/70439
4599         * config/i386/i386.c (ix86_expand_epilogue): Properly check
4600         conflict between DRAP register and __builtin_eh_return.
4601
4602 2016-03-30  Michael Matz  <matz@suse.de>
4603             Richard Biener  <rguenther@suse.de>
4604
4605         PR ipa/12392
4606         * ipa-polymorphic-call.c (struct type_change_info): Change
4607         speculative to an unsigned allowing to limit the work we do.
4608         (csftc_abort_walking_p): New inline function..
4609         (check_stmt_for_type_change): Limit the number of may-defs
4610         skipped for speculative devirtualization to
4611         max-speculative-devirt-maydefs.
4612         * params.def (max-speculative-devirt-maydefs): New param.
4613         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
4614
4615 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
4616
4617         PR target/63890
4618         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
4619         and TARGET_MACHO.
4620
4621 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
4622
4623         PR tree-optimization/59124
4624         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
4625         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
4626
4627 2016-03-29  Jeff Law  <law@redhat.com>
4628
4629         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
4630
4631 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4632
4633         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
4634         to HOST_WIDE_INT.
4635
4636 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
4637
4638         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
4639         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
4640         gcrt0.o if linking dynamically.
4641
4642 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4643
4644         PR ipa/70283
4645         * ipa-devirt.c (methods_equal_p): New function.
4646         (compare_virtual_tables): Use it.
4647         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
4648         * cgraphclones.c (clone_function_name_1): Use
4649         symbol_table::symbol_suffix_separator.
4650         * coverage.c (build_var): Likewise.
4651         * symtab.c (symbol_table::symbol_suffix_separator): New.
4652
4653 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
4654
4655         PR rtl-optimization/70429
4656         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
4657         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
4658         mode != result_mode.
4659
4660         PR c++/70353
4661         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
4662
4663         PR tree-optimization/70405
4664         * ssa-iterators.h (num_imm_uses): Add missing braces.
4665
4666 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
4667
4668         PR rtl-optimization/68695
4669         * ira-color.c (allocno_copy_cost_saving): New.
4670         (improve_allocation): Use it.
4671
4672 2016-03-29  Richard Henderson  <rth@redhat.com>
4673
4674         PR middle-end/70355
4675         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
4676
4677 2016-03-29  Richard Biener  <rguenther@suse.de>
4678
4679         PR middle-end/70424
4680         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
4681         use alignment returned by get_pointer_alignment_1 if it is
4682         bigger than BITS_PER_UNIT.
4683         * builtins.c (get_pointer_alignment_1): Do not return true
4684         for alignment extracted from SSA info.
4685
4686 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
4687
4688         * config/ft32/ft32.opt (mnodiv): New.
4689         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
4690         * doc/invoke.texi (FT32 Options -mnodiv): New.
4691
4692 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
4693
4694         PR target/70406
4695         * config/i386/i386.md (define_split, andn): Fix modes.
4696
4697 2016-03-26  Richard Biener  <rguenther@suse.de>
4698             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4699
4700         PR ipa/70366
4701         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
4702         instead of
4703         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
4704         as 2nd argument to cl_optimization_restore().
4705
4706 2016-03-25  Richard Henderson  <rth@redhat.com>
4707
4708         PR target/70120
4709         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
4710         * config/aarch64/aarch64-protos.h: Declare it.
4711         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
4712
4713 2016-03-25  Alan Modra  <amodra@gmail.com>
4714
4715         PR target/70052
4716         * config/rs6000/constraints.md (j): Simplify.
4717         * config/rs6000/predicates.md (easy_fp_constant): Exclude
4718         decimal float 0.D.
4719         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
4720         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
4721          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
4722         in all constraint alternatives.
4723         (movtd_64bit_nodm): Delete "j" constraint alternative.
4724
4725 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
4726
4727         * tree-ssa-propagate.c: Enhance docs for
4728         SSA_PROP_NOT_INTERESTING.
4729
4730 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
4731
4732         * doc/extend.texi: Fix typo in documentation to pure attribute.
4733
4734 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
4735
4736         PR target/70319
4737         * config/pa/pa.md (bswapdi2): Use a scratch register.
4738
4739 2016-03-24  Richard Henderson  <rth@redhat.com>
4740
4741         PR middle-end/69845
4742         * fold-const.c (extract_muldiv_1): Correct test for multiplication
4743         overflow.
4744
4745 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
4746
4747         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
4748         using ix86_expand_binary_operator instead of gen_andsi3.
4749
4750 2016-03-24  Richard Biener  <rguenther@suse.de>
4751
4752         PR tree-optimization/70396
4753         * tree-vect-stmts.c (vectorizable_comparison): Use
4754         get_vectype_for_scalar_type.
4755
4756 2016-03-24  Richard Biener  <rguenther@suse.de>
4757
4758         PR middle-end/70370
4759         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
4760         with register bases.
4761
4762 2016-03-24  Richard Biener  <rguenther@suse.de>
4763
4764         PR tree-optimization/70372
4765         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
4766         build_all_ones_cst to also handle vector types correctly.
4767
4768 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
4769
4770         PR target/70381
4771         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
4772         -mfloat128 here.
4773
4774 2016-03-23  Marek Polacek  <polacek@redhat.com>
4775
4776         PR c++/69884
4777         * doc/invoke.texi: Document -Wignored-attributes.
4778
4779 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
4780
4781         PR tree-optimization/69042
4782         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
4783         parameter from 30 to 40.
4784
4785 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
4786
4787         PR tree-optimization/69042
4788         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
4789         for use with constant offset stripped in base.
4790
4791 2016-03-23  Richard Biener  <rguenther@suse.de>
4792
4793         PR middle-end/70251
4794         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
4795         mode compatibility check.
4796         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
4797
4798 2016-03-23  Jeff Law  <law@redhat.com>
4799
4800         PR tree-optimization/64058
4801         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
4802         CONFLICT_COUNT.
4803         (struct ssa_conflicts): Move up earlier in the file.
4804         (conflicts_, var_map_): New static variables.
4805         (initialize_conflict_count): New function to initialize the
4806         CONFLICT_COUNT field for each conflict pair.
4807         (compare_pairs): Lazily initialize the conflict count and use it
4808         as the first tie-breaker.
4809         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
4810         and wipe conflicts_ and map_ around the call to qsort.  Remove
4811         special case for 2 coalesce pairs.
4812         * bitmap.c (bitmap_count_unique_bits): New function.
4813         (bitmap_count_bits_in_word): New function, extracted from
4814         bitmap_count_bits.
4815         (bitmap_count_bits): Use bitmap_count_bits_in_word.
4816         * bitmap.h (bitmap_count_unique_bits): Declare it.
4817
4818 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
4819
4820         PR target/69917
4821         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
4822         transparent alias chain for decl assembler name.
4823         * config/sol2.c (solaris_assemble_visibility): Likewise.
4824
4825 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4826
4827         * config/arm/arm1020e.md (1020call_op): Reduce reservation
4828         duration.
4829         (v10_fdivs): Likewise.
4830         (v10_fdivd): Likewise.
4831
4832 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4833
4834         PR driver/70132
4835         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
4836         to not call fclose twice on file.
4837
4838 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
4839
4840         PR tree-optimization/70354
4841         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4842         oprnd0 is wider than oprnd1 and there is a cast from the wider
4843         type to oprnd1, mask it with the mask of the narrower type.
4844
4845         PR target/70321
4846         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
4847         Optimize TARGET_STV splitters, if high or low word of last argument
4848         is 0 or -1.
4849
4850 2016-03-22  Jeff Law  <law@redhat.com>
4851
4852         PR target/70232
4853         tree-ssa-threadbackward.c
4854         (fsm_find_control_statement_thread_paths): Correctly distinguish
4855         between old style jump threads vs FSM jump threads.
4856
4857 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
4858
4859         PR target/70302
4860         * config/i386/i386.c (scalar_chain::convert_op): Support
4861         uninitialized register usage case.
4862
4863 2016-03-22  Richard Biener  <rguenther@suse.de>
4864
4865         PR middle-end/70251
4866         * genmatch.c (gen_transform): Adjust last parameter to a three-state
4867         int...
4868         (capture::gen_transform): ... to change behavior when substituting
4869         a condition into cond or not-cond expr context.
4870         (dt_simplify::gen_1): Adjust.
4871         * gimple-match-head.c: Include gimplify.h for unshare_expr.
4872         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
4873         last change and instead change to
4874         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
4875         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
4876
4877 2016-03-22  Anthony Green  <green@moxielogic.com>
4878
4879         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
4880         issue for moxiebox targets.
4881         (CC1PLUS_SPEC): Ditto.
4882
4883 2016-03-22  Richard Biener  <rguenther@suse.de>
4884
4885         PR middle-end/70333
4886         * fold-const.c (extract_muldiv_1): Properly perform multiplication
4887         in the wide type.
4888
4889 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
4890
4891         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
4892
4893 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
4894
4895         PR target/70325
4896         * config/i386/i386.c (def_builtin): Handle
4897         OPTION_MASK_ISA_AVX512VL to be and-ed with other
4898         bits.
4899         (const struct builtin_description bdesc_special_args[]):
4900         Remove duplicate ISA bits.
4901
4902 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
4903
4904         PR target/70329
4905         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
4906         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
4907         in a way that works also for AVX512BW.
4908
4909         PR target/70300
4910         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
4911         instead of source if operands[1] is xmm16 and above and
4912         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
4913         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
4914
4915         PR c++/70295
4916         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
4917         on assign if (*from_p) is a comparison, set it to
4918         TREE_NO_WARNING (*from_p).
4919
4920 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
4921
4922         PR middle-end/70326
4923         * lra.c (restore_scratches): Ignore deleted insns.
4924
4925 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
4926             Jakub Jelinek  <jakub@redhat.com>
4927
4928         PR tree-optimization/70317
4929         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
4930         to HONOR_NANS.
4931
4932 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
4933
4934         PR target/70327
4935         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
4936         of ix86_expand_move.
4937         (movoi): Ditto.
4938         (movti): Use general_operand for operand 1 predicate.
4939
4940 2016-03-21  Martin Liska  <mliska@suse.cz>
4941
4942         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
4943         insns.
4944         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
4945
4946 2016-03-21  Martin Liska  <mliska@suse.cz>
4947
4948         PR ipa/70306
4949         * ipa-icf.c (sem_function::parse): Skip static
4950         constructors and destructors.
4951
4952 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
4953
4954         PR target/70296
4955         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
4956         function-like macro, peek following token(s) if it is followed
4957         by CPP_OPEN_PAREN token with optional padding in between, and
4958         if not, don't treat it like a macro.
4959
4960 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
4961             Alexander Monakov  <amonakov@ispras.ru>
4962
4963         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
4964         for the stabs debug format.
4965
4966 2016-03-21  Richard Biener  <rguenther@suse.de>
4967
4968         PR tree-optimization/70310
4969         * tree-vect-generic.c (expand_vector_condition): Fold the built
4970         condition.
4971
4972 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
4973
4974         PR target/70293
4975         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
4976         Block third alternative for AVX-512VL target,
4977
4978 2016-03-21  Martin Liska  <mliska@suse.cz>
4979
4980         PR hsa/70234
4981         * hsa-brig.c (emit_function_directives): Mark unemitted
4982         global variables for emission.
4983         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
4984         (get_symbol_for_decl): Likewise.
4985         * hsa.h (struct hsa_symbol): New flag.
4986
4987 2016-03-21  Richard Biener  <rguenther@suse.de>
4988
4989         PR tree-optimization/70288
4990         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
4991         we do not estimate unsimplified all-constant conditionals or
4992         switches as optimized away.
4993
4994 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
4995
4996         PR rtl-optimization/69102
4997         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
4998         when we have a readonly dependency context.
4999
5000 2016-03-18  Jeff Law  <law@redhat.com>
5001
5002         PR rtl-optimization/70263
5003         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
5004         (update_equiv_regs): When trying to move a store to after the insn
5005         that sets the source of the store, make sure the store occurs after
5006         the insn that sets the source of the store.  When successful note
5007         the REG_EQUIV note created in the dump file.
5008
5009 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
5010             Bernd Schmidt  <bschmidt@redhat.com>
5011
5012         * doc/extend.texi: Document more potential problems with basic asms.
5013
5014 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
5015
5016         PR rtl-optimization/70278
5017         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
5018         VOIDmode.
5019
5020 2016-03-18  Jason Merrill  <jason@redhat.com>
5021
5022         * calls.c (load_register_parameters): Fix zero size sibcall logic.
5023
5024 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
5025
5026         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
5027         values to 128b regs.
5028
5029 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
5030
5031         PR tree-optimization/70252
5032         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
5033         boolean vector has a proper number of elements.
5034         (supportable_narrowing_operation): Likewise.
5035
5036 2016-03-18  Tom de Vries  <tom@codesourcery.com>
5037
5038         PR ipa/70269
5039         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
5040
5041 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
5042
5043         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
5044         instead of replace_rtx for DEBUG_INSNs.
5045
5046 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5047
5048         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
5049         load type reservations.
5050
5051 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
5052
5053         PR target/70188
5054         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
5055         define_constraint for "Q" and "T" constraints.
5056
5057 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
5058
5059         Tweak the pipeline model for Exynos M1
5060
5061         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
5062         model.
5063
5064 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
5065
5066         PR c/70264
5067         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
5068         where one or both locations aren't within a line_map.
5069
5070 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5071
5072         PR driver/70192
5073         * opts.c (finish_options): Don't set flag_pie to the default if
5074         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
5075         if it is -1.
5076
5077 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
5078
5079         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
5080         true as ALL_REGS argument to replace_rtx.
5081
5082 2016-03-17  Richard Biener  <rguenther@suse.de>
5083
5084         PR debug/70271
5085         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
5086         last.
5087
5088 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
5089
5090         PR target/70245
5091         * rtl.h (replace_rtx): Add ALL_REGS argument.
5092         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
5093         equality and assert mode is the same, instead of just rtx pointer
5094         equality.
5095         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
5096         true as ALL_REGS argument to replace_rtx.
5097
5098 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
5099
5100         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
5101         for boolean vector with vector mode only.
5102         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
5103
5104 2016-03-17  Nick Clifton  <nickc@redhat.com>
5105
5106         PR target/70162
5107         * config/rx/rx.c (rx_print_integer): Print negative constants in
5108         decimal.
5109
5110 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
5111
5112         PR target/70261
5113         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
5114
5115 2016-03-16  Richard Henderson  <rth@redhat.com>
5116             Richard Biener  <rguenth@suse.de>
5117
5118         PR middle-end/70240
5119         PR middle-end/68215
5120         PR tree-opt/68714
5121         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
5122         first operand as is_gimple_condexpr.
5123
5124         PR middle-end/70240
5125         PR middle-end/68215
5126         Revert r231575
5127         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
5128         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
5129         Do not gimplify the result.
5130         (do_unop): Adjust call to tree_vec_extract.
5131         (do_binop): Likewise.
5132         (do_compare): Likewise.
5133         (do_plus_minus): Likewise.
5134         (do_negate): Likewise.
5135         (expand_vector_condition): Likewise.
5136         (do_cond): Likewise.
5137
5138 2016-03-16  Richard Henderson  <rth@redhat.com>
5139
5140         PR target/70048
5141         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
5142         (aarch64_classify_address): Use it.
5143         (aarch64_legitimize_address): Force all subexpressions of PLUS
5144         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
5145
5146 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
5147             Richard Biener  <rguenth@suse.de>
5148
5149         PR target/70245
5150         * rtlanal.c (replace_rtx): For REG, if from is a REG,
5151         return to even if only REGNO is equal, and assert
5152         mode is the same.
5153
5154 2016-03-11  Jeff Law  <law@redhat.com>
5155
5156         PR rtl-optimization/70224
5157         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
5158
5159 2016-03-16  Richard Henderson  <rth@redhat.com>
5160
5161         PR middle-end/70199
5162         * function.h (struct function): Add has_forced_label_in_static.
5163         * gimplify.c (force_labels_r): Set it.
5164         * lto-streamer-in.c (input_struct_function_base): Read it.
5165         * lto-streamer-out.c (output_struct_function_base): Write it.
5166         * tree-inline.c (has_label_address_in_static_1): Remove.
5167         (copy_forbidden): Remove fndecl parameter; test
5168         has_forced_label_in_static.
5169         (inline_forbidden_p): Update call to copy_forbidden.
5170         (tree_versionable_function_p): Likewise.
5171         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
5172         (chkp_versioning): Likewise.
5173         * tree-inline.h (copy_forbidden): Update decl.
5174
5175 2016-03-16  Marek Polacek  <polacek@redhat.com>
5176
5177         PR c/70093
5178         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
5179         function being thunked if the result type doesn't have fixed size.
5180         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
5181         doesn't have fixed size.
5182
5183 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
5184
5185         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
5186         reporting malformed loop nest.
5187
5188 2016-03-16  Tom de Vries  <tom@codesourcery.com>
5189
5190         PR lto/70187
5191         * ipa-devirt.c (possible_polymorphic_call_targets): Move
5192         nodes.length () == 1 test to before first nodes[0] access.
5193
5194 2016-03-16  Tom de Vries  <tom@codesourcery.com>
5195
5196         PR tree-optimization/68715
5197         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
5198         single_pred_p test.
5199
5200 2016-03-16  Tom de Vries  <tom@codesourcery.com>
5201
5202         PR tree-optimization/68809
5203         * graphite-scop-detection.c (same_close_phi_node): Test if result types
5204         are the same.
5205
5206 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
5207             Sandra Loosemore  <sandra@codesourcery.com>
5208
5209         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
5210         on leaf attribute. Mention ELF interposition problems.
5211
5212 2016-03-16  Alan Modra  <amodra@gmail.com>
5213
5214         PR rtl-optimization/69195
5215         PR rtl-optimization/47992
5216         * ira.c (indirect_jump_optimize): Ignore artificial defs.
5217         Add comments.
5218
5219 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
5220
5221         PR bootstrap/69513
5222         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
5223
5224 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
5225
5226         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
5227
5228 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
5229
5230         PR rtl-optimization/70222
5231         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
5232         optimization if mode is different from result_mode, queue up masking
5233         of the result in outer_op.  Formatting fix.
5234
5235         PR middle-end/70239
5236         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
5237         of safe_grow.
5238
5239 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5240
5241         PR rtl-optimization/69032
5242         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
5243         looping backwards over basic block insns.
5244
5245 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5246
5247         PR target/66660
5248         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
5249         to non-speculative when propagating trap bits.
5250
5251 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5252
5253         PR rtl-optimization/63384
5254         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
5255         DEBUG_INSN_P insns.
5256
5257 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
5258
5259         PR target/64411
5260         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
5261         factored out from ...
5262         (sched_analyze_insn): ... here.
5263         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
5264         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
5265         get_implicit_reg_pending_clobbers in it.
5266         (setup_id_reg_sets): Use setup_id_implicit_regs.
5267         (deps_init_id): Ditto.
5268
5269 2016-03-15  Tom de Vries  <tom@codesourcery.com>
5270
5271         PR ipa/70161
5272         * cgraph.c (cgraph_node::get_body): Save, reset and restore
5273         dump_file_name.
5274         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
5275         execute_function_dump.
5276         (execute_one_pass): Don't dump function if it will be dumped after ipa
5277         transform.
5278
5279 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
5280
5281         * genrecog.c (match_pattern_2): If pred is NULL don't call
5282         safe_predicate_mode on it.
5283
5284 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
5285
5286         PR middle-end/70219
5287         * lra-constraints.c (delete_move_and_clobber): Change assertion
5288         to also allow dregno == 0.
5289
5290 2016-03-14  Richard Henderson  <rth@redhat.com>
5291
5292         PR tree-opt/68714
5293         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
5294         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
5295         (reassociate_bb): Use optimize_vec_cond_expr; avoid
5296         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
5297         on vectors.
5298
5299 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
5300
5301         PR target/70083
5302         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
5303         regs.
5304         (lra_create_live_ranges_1): initialize hard register biggest_mode to
5305         VOIDmode.
5306         * lra-constraints.c (split_reg): For hard regs, try to find the
5307         biggest single-register mode used in the function.
5308
5309 2016-03-14  Richard Biener  <rguenther@suse.de>
5310
5311         PR tree-optimization/56365
5312         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
5313         constants to compare against.
5314
5315 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
5316
5317         PR target/70098
5318         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
5319         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
5320         (define_split for the GPR case): Use int_reg_operand instead of
5321         gpc_reg_operand for the output.
5322
5323 2016-03-14  Tom de Vries  <tom@codesourcery.com>
5324
5325         PR tree-optimization/70045
5326         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
5327         create_empty_if_region_on_edge argument.
5328
5329 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
5330
5331         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
5332         (STACK_CHECK_PROTECT): Likewise.
5333         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
5334         (STACK_CHECK_PROTECT): Likewise.
5335         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
5336         (STACK_CHECK_PROTECT): Likewise.
5337         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
5338         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
5339         (STACK_CHECK_PROTECT): Likewise.
5340
5341 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
5342
5343         PR rtl-optimization/69307
5344         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
5345         registers in modes that span more than one register.
5346
5347 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
5348
5349         PR target/69614
5350         * lra-constraints.c (delete_move_and_clobber): New.
5351         (remove_inheritance_pseudos): Use it.
5352
5353 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
5354
5355         PR ada/70017
5356         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
5357         the libcall is LCT_THROW.
5358         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
5359         for the checking routine.
5360
5361 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
5362
5363         PR target/70131
5364         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
5365         optimization if we have direct move.
5366         (roundu32<mode>2_fprs): Likewise.
5367
5368 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
5369
5370         PR target/70123
5371         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
5372         be rematerialized.
5373         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
5374         Arguments swapped.  All callers changed.  Take reg_renumber into
5375         account, and Calculate and compare register ranges for hard regs.
5376
5377 2016-03-11  Jeff Law  <law@redhat.com>
5378
5379         PR tree-optimization/70190
5380         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5381         Handle cases where we can not extract the taken edge, even though we
5382         found a constant value.
5383
5384         PR tree-optimization/64058
5385         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
5386         (num_coalesce_pairs): Move up earlier in file.
5387         (find_coalesce_pair): Initialize the INDEX field for each pair
5388         discovered.
5389         (compare_pairs): No longer sort on the elements in each pair.
5390         Instead break ties with the index of the coalesce pair.
5391
5392 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5393
5394         PR target/70002
5395         * config/aarch64/aarch64-protos.h
5396         (aarch64_save_restore_target_globals): New prototype.
5397         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
5398         Call the above when popping pragma.
5399         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
5400         New function.
5401         (aarch64_set_current_function): Rewrite using the above.
5402
5403 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
5404
5405         PR tree-optimization/70177
5406         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
5407         (extract_ops_from_tree): ... this.  In the 2 argument
5408         overload remove _1 suffix.
5409         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
5410         (extract_ops_from_tree): ... this.
5411         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
5412         Adjust callers.
5413         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
5414         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
5415         extract_ops_from_tree instead of 2 operand one.
5416
5417 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
5418
5419         PR tree-optimization/70013
5420         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
5421         for constant-pool entries.
5422
5423 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
5424
5425         PR rtl-optimization/70174
5426         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
5427         followed by gen_lowpart on force_reg instead of just gen_lowpart.
5428
5429         PR tree-optimization/70169
5430         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
5431         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
5432         for unknown codes.
5433
5434 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
5435             Jakub Jelinek  <jakub@redhat.com>
5436
5437         PR target/70160
5438         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
5439         of uninitialized values.
5440
5441 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5442
5443         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
5444         define_expand.
5445         ("*trunctddd2"): New pattern definition.
5446         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
5447         TD->DD truncation.
5448
5449 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5450
5451         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
5452         definitions for BFP and DFP rounding modes.
5453         ("fixuns_truncdddi2", "fixuns_trunctddi2")
5454         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
5455         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
5456         ("fix_trunctf<mode>2"): Use the new constants instead of magic
5457         numbers.
5458
5459 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5460
5461         * config/s390/constraints.md: Adjust comment.
5462         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
5463         s390_decompose_addrstyle_without_index.
5464         * config/s390/predicates.md (shift_count_or_setmem_operand):
5465         Rename to setmem_operand.
5466         * config/s390/s390-protos.h
5467         (s390_decompose_shift_count): Rename to
5468         s390_decompose_addrstyle_without_index.
5469         * config/s390/s390.c (s390_decompose_shift_count)
5470         (s390_mem_constraint, print_shift_count_operand)
5471         (print_operand_address, print_operand): Rename
5472         s390_decompose_shift_count to
5473         s390_decompose_addrstyle_without_index and rename
5474         print_shift_count_operand to print_addrstyle_operand troughout the
5475         file.
5476         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
5477         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
5478         Rename shift_count_or_setmem_operand to setmem_operand.
5479         * config/s390/vx-builtins.md ("vec_insert<mode>")
5480         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
5481         nonmemory_operand.
5482
5483 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5484
5485         PR target/70168
5486         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
5487         Handle overlapping retval and newval.
5488
5489 2016-03-10  Nick Clifton  <nickc@redhat.com>
5490
5491         PR target/7044
5492         * config/aarch64/aarch64.c
5493         (aarch64_override_options_after_change_1): When forcing
5494         flag_omit_frame_pointer to be true, use a special value that can
5495         be detected if this function is called again, thus preventing
5496         flag_omit_leaf_frame_pointer from being forced to be false.
5497
5498 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5499
5500         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
5501         Set x_flag_omit_leaf_frame_pointer when handling
5502         -momit-leaf-frame-pointer.
5503
5504 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5505
5506         PR lto/69589
5507         * cgraph.c (cgraph_node::dump): Dump split_part and
5508         indirect_call_target.
5509         * cgraph.h (cgraph_node): Add indirect_call_target flag.
5510         * ipa.c (has_addr_references_p): Cleanup.
5511         (is_indirect_call_target_p): New.
5512         (walk_polymorphic_call_targets): Do not mark virtuals that may be
5513         called indirectly as local.
5514         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
5515
5516 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5517
5518         PR ipa/69630
5519         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
5520         on cxa_pure_virtual.
5521
5522 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5523
5524         PR lto/69589
5525         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
5526
5527 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
5528
5529         PR lto/69589
5530         * tree.c (need_assembler_name_p): Only record main variant type names.
5531
5532 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
5533
5534         PR target/70113.
5535         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
5536         Always define to 0 or 1.
5537         (TARGET_FIX_ERR_A53_843419): New macro.
5538         * config/aarch64/aarch64-elf-raw.h
5539         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
5540         * config/aarch64/aarch64-linux.h: Likewise.
5541         * config/aarch64/aarch64.c
5542         (aarch64_override_options_after_change_1): Do not default
5543         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
5544         843419 is on.
5545         (aarch64_attributes): Handle fix-cortex-a53-843419.
5546         (aarch64_can_inline_p): Likewise.
5547         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
5548
5549 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
5550         Jakub Jelinek <jakub@redhat.com>
5551
5552         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
5553         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
5554         DECL_COMMONS if flag_unconstrained_commons is set.
5555         * tree-dfa.c (get_ref_base_and_extent): Likewise.
5556         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
5557         (funconstrained-commons): Document.
5558
5559 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
5560
5561         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
5562         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
5563
5564 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
5565
5566         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
5567         has a proper number of elements.
5568
5569 2016-03-10  Alan Modra  <amodra@gmail.com>
5570
5571         PR rtl-optimization/69195
5572         PR rtl-optimization/47992
5573         * ira.c (recorded_label_ref): Delete.
5574         (update_equiv_regs): Return void.
5575         (indirect_jump_optimize): New function.
5576         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
5577         before regstat_compute_ri.  Don't rebuild_jump_labels here.
5578         Delete update_regstat.
5579
5580 2016-03-10  Richard Biener  <rguenther@suse.de>
5581
5582         PR tree-optimization/70128
5583         * tree-ssa-structalias.c (set_uids_in_ptset): Set
5584         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
5585
5586 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
5587
5588         PR tree-optimization/70152
5589         * tree-sra.c (replace_removed_params_ssa_names): Copy over
5590         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
5591
5592         PR target/70086
5593         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
5594         instead of gen_sse2_loadlpd.
5595         * config/i386/sse.md (*vec_concatv2df): Rename to...
5596         (vec_concatv2df): ... this.
5597
5598         PR tree-optimization/70127
5599         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
5600
5601 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
5602
5603         PR c/68473
5604         PR c++/70105
5605         * diagnostic-show-locus.c (compatible_locations_p): New function.
5606         (layout::layout): Sanitize ranges using compatible_locations_p.
5607
5608 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
5609
5610         PR c/68473
5611         PR c++/70105
5612         * diagnostic-show-locus.c (layout_range::layout_range): Replace
5613         location_range param with three const expanded_locations * and a
5614         bool.
5615         (layout::layout): Replace call to
5616         rich_location::lazily_expand_location with get_expanded_location.
5617         Extract the range and perform location expansion here, passing
5618         the results to the layout_range ctor.
5619         * diagnostic.c (source_range::debug): Delete.
5620         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
5621         of rich_location::get_expanded_location.
5622         * gcc-rich-location.c (get_range_for_expr): Delete.
5623         (gcc_rich_location::add_expr): Reimplement to avoid the
5624         rich_location::add_range overload that took a location_range,
5625         passing a location_t instead.
5626
5627 2016-03-09  Richard Biener  <rguenther@suse.de>
5628         Jakub Jelinek  <jakub@redhat.com>
5629
5630         PR tree-optimization/70138
5631         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5632         Also skip vect_double_reduction_def.
5633
5634 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
5635
5636         PR target/70049
5637         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
5638         if the operand is "m".
5639
5640 2016-03-09  Nathan Sidwell  <nathan@acm.org>
5641
5642         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
5643
5644 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5645
5646         * config/i386/i386.c (processor_target_table): Fix cost table
5647         intialization order for znver1.
5648
5649 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
5650
5651         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
5652         - becuase -> because.
5653         * ipa-reference.c (ignore_module_statics): Likewise.
5654         * cgraph.c (cgraph_node::get_body): Likewise.
5655         * ipa-inline.c (early_inliner): Likewise.
5656         * ipa-devirt.c (types_same_for_odr): Likewise.
5657         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
5658         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
5659
5660 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5661
5662         * tree-ssa-math-opts.c: Fix typo in comment.
5663
5664 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
5665
5666         PR target/70110
5667         * config/i386/i386.c (scalar_chain::make_vector_copies,
5668         scalar_chain::convert_reg): Call end_sequence in between
5669         get_insns and emit_conversion_insns rather than after both
5670         calls.
5671
5672 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
5673
5674         PR target/70064
5675         * config/i386/i386.h (machine_function): Add
5676         pc_thunk_call_expanded flag.
5677         (ix86_pc_thunk_call_expanded): New define.
5678         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
5679         (*set_got): Rename insn pattern from set_got.
5680         (*set_got_labelled): Rename inst pattern from set_got_labelled.
5681         * config/i386/i386.c (ix86_compute_frame_layout): Use
5682         ix86_pc_thunk_call_expanded to prevent red-zone.
5683
5684 2016-03-07  Martin Jambor  <mjambor@suse.cz>
5685
5686         * hsa.h (hsa_get_ctor_statements): Declare.
5687         (hsa_get_dtor_statements): Likewise.
5688         (hsa_get_kernel_dispatch_type): Likewise.
5689         * hsa.c (hsa_get_ctor_statements): New function.
5690         (hsa_get_dtor_statements): Likewise.
5691         (hsa_get_kernel_dispatch_type): Likewise.
5692         * hsa-brig.c (hsa_cdtor_statements): Removed.
5693         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
5694         hsa_get_dtor_statements.
5695         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
5696         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
5697
5698 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
5699
5700         * config/arm/arm-cores.def (cortex-r8): New.
5701         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
5702         * config/arm/arm-tune.md: Likewise.
5703         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
5704
5705 2016-03-07  Martin Sebor  <msebor@redhat.com>
5706
5707         PR rtl-optimization/19705
5708         * doc/invoke.texi (Options That Control Optimization): Clarify
5709         -fno-branch-count-reg.
5710
5711 2016-02-26  Richard Biener  <rguenther@suse.de>
5712             Jeff Law  <law@redhat.com>
5713
5714         PR tree-optimization/69740
5715         * cfghooks.c (remove_edge): Request loop fixups if we delete
5716         an edge that might turn an irreducible loop into a natural
5717         loop.
5718         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
5719         Move after definition of loops_state_clear.
5720
5721 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
5722
5723         PR rtl-optimization/69052
5724         * rtlanal.c (commutative_operand_precedence): Set higher precedence
5725         to CONST_WIDE_INT.
5726
5727 2016-03-07  Tom de Vries  <tom@codesourcery.com>
5728
5729         PR tree-optimization/70116
5730         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
5731         is_tm_ending stmts and ubsan/asan internal functions.
5732         (find_duplicate): Use it.  Don't test is_tm_ending here.
5733
5734 2016-03-07  Richard Biener  <rguenther@suse.de>
5735
5736         PR tree-optimization/70115
5737         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
5738         (propagate_constants_for_unrolling): Use replace_uses_by.
5739
5740 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
5741
5742         PR middle-end/69916
5743         * omp-low.c (struct oacc_loop): Add ifns.
5744         (new_oacc_loop_raw): Initialize it.
5745         (finish_oacc_loop): Clear mask & flags if no ifns.
5746         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
5747         (oacc_loop_xform_loop): Add ifns arg & adjust.
5748         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
5749
5750 2016-03-07  Richard Henderson  <rth@redhat.com>
5751
5752         PR rtl-opt/70061
5753         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
5754         (insert_value_copy_on_edge): Likewise.
5755
5756 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5757
5758         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
5759
5760 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5761
5762         PR target/62281
5763         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
5764
5765 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
5766
5767         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
5768
5769 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
5770
5771         Fix sseimul type attribute.
5772         * config/i386/znver1.md
5773         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
5774         znver1_sseimul_avx256_load) : Fix the type attribute.
5775         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
5776         pipe usage and latency.
5777
5778 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
5779
5780         PR c++/70084
5781         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
5782         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
5783         to the right type.
5784
5785 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
5786
5787         PR c/69973
5788         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
5789
5790         PR rtl-optimization/69941
5791         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
5792         the reg share its mode.
5793
5794 2016-03-04  Jeff Law  <law@redhat.com>
5795
5796         PR tree-optimization/69196
5797         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5798         If the both SSA_NAMEs are anonymous, then consider them unassociated
5799         and include the PHI in the statement count.
5800
5801 2016-03-05  Tom de Vries  <tom@codesourcery.com>
5802
5803         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
5804         construct in oacc routine.  Check for oacc region in oacc routine.
5805
5806 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
5807
5808         PR target/70062
5809         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
5810         2016-02-22 changes, instead don't recurse if RECUR is already true.
5811         Don't change *dynamic_check if RECUR.  Adjust recursive caller
5812         to pass true to the new argument.
5813         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
5814
5815         PR target/70059
5816         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
5817         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
5818         fixes.
5819         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
5820
5821 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
5822
5823         PR rtl-optimization/57676
5824         * lra-assigns.c (lra_assign): Guard test for maximum iterations
5825         with flag_checking.
5826
5827 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
5828
5829         * tree-vect-patterns.c (search_type_for_mask): Handle
5830         comparison of booleans.
5831
5832 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
5833
5834         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
5835         Fix @xref usage.
5836
5837         PR debug/69947
5838         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
5839         all other ops that have dw_val_class_die_ref operands,
5840         and DW_OP_GNU_entry_value.
5841
5842 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5843
5844         PR rtl-optimization/69904
5845         * config/arm/arm.c (arm_cannot_copy_insn_p):
5846         Return true for load-exclusive instructions.
5847
5848 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
5849
5850         PR target/70021
5851         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
5852         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
5853         the pattern no matter if it is used just by non-pattern, pattern
5854         or mix thereof.
5855         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
5856         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
5857         oprnd1 def_stmt is in pattern, don't look through it.
5858
5859 2016-03-03  Marek Polacek  <polacek@redhat.com>
5860
5861         PR middle-end/70050
5862         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
5863
5864 2016-03-03  Martin Liska  <mliska@suse.cz>
5865
5866         PR tree-optimization/70043
5867         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
5868         previous statement if we see a debug statement.
5869
5870 2016-03-03  Richard Biener  <rguenther@suse.de>
5871
5872         PR tree-optimization/55936
5873         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
5874         parameter and guard unsafe equivalence use.
5875         (vrp_evaluate_conditional_warnv_with_ops): Always use
5876         safe equivalences but not via the quadratic compare_names
5877         helper.
5878
5879 2016-03-03  Michael Collison  <michael.collison@linaro.org>
5880
5881         PR target/70014
5882         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
5883         for operand 1 to s_register_operand. Change predicate for operand
5884         2 to arm_not_immediate_operand.
5885
5886 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
5887
5888         * doc/tm.texi: Regenerated.
5889
5890 2016-03-02  Richard Henderson  <rth@redhat.com>
5891
5892         PR rtl-opt/67145
5893         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
5894         simplification when all args are positive non-fixed registers.
5895
5896 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5897
5898         * target.def (lra_p): Specify that new ports should use LRA.
5899
5900 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
5901
5902         PR libgomp/69555
5903         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
5904         gimplify_type_sizes the type they refer to.
5905         (omp_notice_variable): Handle reference vars to VLAs.
5906         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
5907         reference to VLA decls in the second pass instead of first pass.
5908
5909 2016-03-02  Tom de Vries  <tom@codesourcery.com>
5910
5911         PR tree-optimization/68659
5912         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
5913         new_expr == NULL_TREE.
5914         (get_new_name): Handle ADDR_EXPR.
5915
5916 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
5917
5918         PR rtl-optimization/69052
5919         * loop-invariant.c (canonicalize_address): New function.
5920         (inv_can_prop_to_addr_use): Check validity of address expression
5921         which is canonicalized by above function.
5922
5923 2016-03-02  Alan Modra  <amodra@gmail.com>
5924
5925         PR ipa/69990
5926         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
5927         larger alignment.
5928
5929 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
5930
5931         PR target/70028
5932         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
5933         (*movhi_internal): Put mask moves from and to memory separately
5934         from moves from/to GPRs.
5935
5936 2016-03-02  Richard Biener  <rguenther@suse.de>
5937
5938         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
5939         GENERIC expressions in GIMPLE.
5940
5941 2016-03-02  Richard Biener  <rguenther@suse.de>
5942
5943         * config/i386/i386.c (type_natural_mode): Fix typo.
5944
5945 2016-03-02  Nick Clifton  <nickc@redhat.com>
5946
5947         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
5948
5949 2016-03-02  Richard Biener  <rguenther@suse.de>
5950             Uros Bizjak  <ubizjak@gmail.com>
5951
5952         PR target/67278
5953         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
5954
5955 2016-03-02  Richard Biener  <rguenther@suse.de>
5956
5957         PR middle-end/67278
5958         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
5959
5960 2016-03-02  Marek Polacek  <polacek@redhat.com>
5961
5962         PR c/67854
5963         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
5964         "is promoted to" warning.
5965
5966 2016-03-01  DJ Delorie  <dj@redhat.com>
5967
5968         * config.gcc: Deprecate mep-*.
5969
5970 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
5971
5972         PR middle-end/70025
5973         * lra-constraints.c (regno_val_use_in): New.
5974         (match_reload): Use it instead of regno_use_in.
5975
5976 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
5977
5978         PR rtl-optimization/70007
5979         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
5980         references present in REG_EQUAL notes attached to non-SET patterns.
5981
5982 2016-03-01  Jeff Law  <law@redhat.com>
5983
5984         PR tree-optimization/69196
5985         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5986         Appropriately clamp the number of statements to copy when the
5987         thread path does not traverse a loop backedge.
5988
5989         PR tree-optimization/69196
5990         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
5991         Do count some PHIs in the thread path against the insn count.  Decrease
5992         final statement count by one as the control statement in the last
5993         block will get removed.  Remove special cased code for handling PHIs
5994         in the last block.
5995
5996 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
5997
5998         PR target/70027
5999         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
6000         asm dialect alternatives to explicit GOTPCREL calls.
6001
6002 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
6003
6004         PR ada/70017
6005         * ira.c (do_reload): Issue warning for generic stack checking here...
6006         * reload1.c (reload): ...instead of here and streamline it.
6007
6008 2016-03-01  Nick Clifton  <nickc@redhat.com>
6009
6010         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
6011
6012 2016-03-01  Richard Biener  <rguenther@suse.de>
6013
6014         PR tree-optimization/69983
6015         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
6016         types and fall back to operand_equal_p.
6017
6018 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6019
6020         Revert
6021         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6022
6023         * config/s390/constraints.md ("jm8"): New constraint.
6024         * config/s390/predicates.md ("const_int_8bitset_operand"): New
6025         predicate.
6026         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
6027         into ...
6028         ("*setmem_long<setmem_and>"): New pattern.
6029         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
6030         into ...
6031         ("*setmem_long_31z<setmem_and>"): New pattern.
6032         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
6033         New substitution rules with the required attributes.
6034
6035
6036 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6037
6038         Revert
6039         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6040
6041         * gensupport.c (process_substs_on_one_elem): Split loop to
6042         complete mark_operands_used_in_match_dup on all expressions in the
6043         vector first.
6044         (adjust_operands_numbers): Inline into process_substs_on_one_elem
6045         and remove function.
6046
6047 2016-03-01  Richard Biener  <rguenther@suse.de>
6048
6049         PR middle-end/70022
6050         * fold-const.c (fold_indirect_ref_1): Fix range checking for
6051         vector BIT_FIELD_REF extract.
6052
6053 2016-03-01  Richard Biener  <rguenther@suse.de>
6054
6055         PR tree-optimization/69994
6056         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
6057
6058 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
6059
6060         PR tree-optimization/69956
6061         * tree-vect-stmts.c (supportable_widening_operation): Support
6062         multi-step conversion of boolean vectors.
6063         (supportable_narrowing_operation): Likewise.
6064
6065 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6066
6067         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
6068         anymore.
6069
6070 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6071
6072         * config/s390/subst.md (DSI_VI): New mode iterator.
6073         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
6074         * config/s390/vector.md ("vec_set<mode>"): Move expander before
6075         the insn definition.
6076         ("*vec_set<mode>"): Change predicate and add alternative to
6077         support only either register or const_int operands as element
6078         selector.
6079         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
6080         operands.
6081         ("vec_extract<mode>"): New expander.
6082         ("*vec_extract<mode>"): New insn definition supporting reg and
6083         const_int element selectors.
6084         ("*vec_extract<mode>_plus"): New insn definition supporting
6085         reg+const_int element selectors.
6086         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
6087         following expander+insn definition.
6088         ("<vec_shifts_name><mode>3"): New expander.
6089         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
6090
6091 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6092
6093         * config/s390/s390.md ("*tabort_1"): Change predicate to
6094         nonmemory_operand.  Add a second alternative to cover
6095         register as well as const int operands.
6096         ("*tabort_1_plus"): New pattern definition.
6097
6098 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6099
6100         * config/s390/s390.md ("*ashrdi3_cc_31")
6101         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
6102         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
6103         Merge insn definitions into ...
6104         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
6105         New pattern definition.
6106         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
6107         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
6108         ("*ashr<mode>3_and"): Merge insn definitions into ...
6109         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
6110         New pattern definition.
6111         * config/s390/subst.md ("addr_style_op_cc_subst")
6112         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
6113         substitutions patterns plus attributes.
6114         Add ashiftrt to SUBST iterator.
6115
6116 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6117
6118         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
6119         op2 to nonmemory_operand.
6120         ("*<shift>di3_31", "*<shift>di3_31_and"):
6121         Merge into single pattern definition ...
6122         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
6123         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
6124         pattern definition ...
6125         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
6126         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
6127         iterator.
6128
6129 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6130
6131         * config/s390/predicates.md (const_int_6bitset_operand): New
6132         predicate.
6133         * config/s390/s390.md: Include subst.md.
6134         ("rotl<mode>3"): New expander.
6135         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
6136         ...
6137         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
6138         * config/s390/subst.md: New file.
6139
6140 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6141
6142         * config/s390/s390.md ("op_type", "atype", "length" attributes):
6143         Remove RRR type.  It doesn't really exist.
6144         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
6145         attributes.
6146         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
6147         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
6148         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
6149         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
6150         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
6151         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
6152         `enabled' attribute.
6153
6154 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6155
6156         * gensupport.c (process_substs_on_one_elem): Split loop to
6157         complete mark_operands_used_in_match_dup on all expressions in the
6158         vector first.
6159         (adjust_operands_numbers): Inline into process_substs_on_one_elem
6160         and remove function.
6161
6162 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
6163
6164         PR target/69706
6165         * config/sparc/sparc.c (NWORDS_UP): Rename to...
6166         (CEIL_NWORDS): ...this.  Use CEIL macro.
6167         (compute_fp_layout): Adjust to above renaming.
6168         (function_arg_union_value): Likewise.
6169         (sparc_arg_partial_bytes): Likewise.
6170         (sparc_function_arg_advance): Likewise.
6171
6172 2016-02-29  Jeff Law  <law@redhat.com>
6173
6174         PR tree-optimization/70005
6175         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
6176         where an object with a boolean range is compared against a value
6177         outside [0..1].
6178
6179         PR tree-optimization/69999
6180         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
6181         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
6182         loop cleanups.
6183
6184 2016-02-29  Richard Biener  <rguenther@suse.de>
6185
6186         PR tree-optimization/69994
6187         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
6188         (get_unary_op): Look through nop conversions.
6189         (ops_equal_values_p): New function, look for equality diregarding
6190         nop conversions.
6191         (eliminate_plus_minus_pair): Use ops_equal_values_p
6192         (repropagate_negates): Do not use get_unary_op here.
6193
6194 2016-02-29  Martin Liska  <mliska@suse.cz>
6195
6196         * system.h: Poison ENABLE_CHECKING macro.
6197
6198 2016-02-29  Martin Liska  <mliska@suse.cz>
6199
6200         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
6201         is presented in dump flags.
6202         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
6203         (hsa_regalloc): Likewise.
6204
6205 2016-02-19  Richard Biener  <rguenther@suse.de>
6206
6207         PR tree-optimization/69980
6208         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
6209         permutation of those we need to keep.
6210
6211 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
6212
6213         PR target/69706
6214         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
6215         (NWORDS_UP): ...this
6216         (init_cumulative_args): Minor tweaks.
6217         (sparc_promote_function_mode): Likewise.
6218         (scan_record_type): Delete.
6219         (traverse_record_type): New function template.
6220         (classify_data_t): New structure type.
6221         (classify_registers): New inline function.
6222         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
6223         exhausted.  Instantiate traverse_record_type on classify_registers and
6224         deal with the case of a structure passed in slot #15 with no FP field
6225         in the first word.
6226         (assign_data_t): New structure type.
6227         (compute_int_layout): New static function.
6228         (compute_fp_layout): Likewise.
6229         (count_registers): New inline function.
6230         (assign_int_registers): New static function.
6231         (assign_fp_registers): Likewise.
6232         (assign_registers): New inline function.
6233         (function_arg_record_value_1): Delete.
6234         (function_arg_record_value_2): Likewise.
6235         (function_arg_record_value_3): Likewise.
6236         (function_arg_record_value): Adjust to above changes.  Instantiate
6237         traverse_record_type on count_registers to first count the number of
6238         registers to be used and then on assign_registers to assign them.
6239         (function_arg_union_value): Adjust to above renaming.
6240         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
6241         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
6242         case of a structure passed in slot #15
6243         (sparc_function_arg_advance): Likewise.
6244         (function_arg_padding): Minor tweak.
6245
6246 2016-02-29  Richard Biener  <rguenther@suse.de>
6247
6248         PR tree-optimization/69720
6249         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
6250         the adjustment_def path for possibly vectorized defs.
6251         (vect_create_epilog_for_reduction): Handle vectorized initial
6252         defs properly.
6253
6254 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
6255
6256         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
6257
6258 2016-02-27  Jeff Law  <law@redhat.com>
6259
6260         Revert
6261         2016-02-26  Richard Biener  <rguenther@suse.de>
6262                     Jeff Law  <law@redhat.com>
6263
6264         PR tree-optimization/69740
6265         * cfghooks.c (remove_edge): Request loop fixups if we delete
6266         an edge that might turn an irreducible loop into a natural
6267         loop.
6268
6269 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
6270
6271         PR rtl-optimization/69896
6272         * tree-vect-generic.c (get_compute_type): Avoid single element
6273         vector types.
6274
6275 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
6276
6277         Rename the AArch64 tuning option and related functions to enable the
6278         Newton series for the reciprocal square root to reflect its
6279         approximative characteristic.
6280
6281         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
6282         function to "aarch64_emit_approx_rsqrt".
6283         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
6284         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
6285         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
6286         (xgene1_tunings): Likewise.
6287         (use_rsqrt_p): Likewise.
6288         (aarch64_emit_swrsqrt): Use new function name.
6289         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
6290         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
6291         text explaining this option.
6292         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
6293
6294 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
6295
6296         PR target/69969
6297         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
6298         complain about -mallow-movmisalign without -mvsx if
6299         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
6300
6301 2016-02-26  Joel Sherrill  <joel@rtems.org>
6302
6303         * config.gcc: Add x86_64-*-rtems*.
6304         * gcc/config/i386/rtems-64.h: New file.
6305
6306 2016-02-26  Joel Sherrill  <joel@rtems.org>
6307
6308         * config.gcc: Add aarch64-*-rtems*.
6309         * gcc/config/aarch64/rtems.h: New file.
6310
6311 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
6312
6313         PR target/69946
6314         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
6315         shift amount using %h.  Add comment.
6316
6317 2016-02-26  Richard Biener  <rguenther@suse.de>
6318             Jeff Law  <law@redhat.com>
6319
6320         PR tree-optimization/69740
6321         * cfghooks.c (remove_edge): Request loop fixups if we delete
6322         an edge that might turn an irreducible loop into a natural
6323         loop.
6324
6325 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6326
6327         PR middle-end/69920
6328         * tree-sra.c (sra_modify_assign): Do not remove loads of
6329         uninitialized aggregates to SSA_NAMEs.
6330
6331 2016-02-26  Richard Henderson  <rth@redhat.com>
6332
6333         PR target/69709
6334         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
6335         pseudo in case the target rtx matches the source of the left
6336         shift.
6337
6338 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6339
6340         PR hsa/69568
6341         * hsa.h (hsa_type_packed_p): Declare.
6342         * hsa.c (hsa_type_packed_p): New function.
6343         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
6344         loads.
6345         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
6346         * hsa-brig.c (emit_basic_insn): Likewise.
6347
6348 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6349
6350         pr hsa/69674
6351         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
6352         pointers.
6353         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
6354
6355 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6356
6357         * hsa.h (is_a_helper): New overload for hsa_op_immed for
6358         hsa_op_with_type operands.
6359         (hsa_unsigned_type_for_type): Declare.
6360         * hsa.c (hsa_unsigned_type_for_type): New function.
6361         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
6362         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
6363         the finalizer.  Do not emit extra move.
6364
6365 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6366
6367         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
6368         atomic operations in private segment.
6369
6370 2016-02-26  Martin Jambor  <mjambor@suse.cz>
6371
6372         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
6373         statements to wi->info.  Also disallow omp simd constructs.
6374         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
6375         for not gridifying.  Dump special string for omp_for.
6376
6377 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6378
6379         PR target/69245
6380         * config/aarch64/aarch64.c (aarch64_set_current_function):
6381         Save/restore target globals when switching to
6382         target_option_default_node.
6383
6384 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6385
6386         PR target/69613
6387         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
6388         Return 0 if !SHIFT_COUNT_TRUNCATED.
6389
6390 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
6391             Eric Botcazou  <ebotcazou@adacore.com>
6392
6393         PR rtl-optimization/69891
6394         * dse.c (scan_insn): If we can't figure out memset arguments
6395         or they are non-constant, call clear_rhs_from_active_local_stores.
6396
6397 2016-02-26  Martin Liska  <mliska@suse.cz>
6398
6399         * doc/extend.texi: Mention clog10, clog10f an clog10l
6400         in Builtins section.
6401
6402 2016-02-26  Martin Liska  <mliska@suse.cz>
6403
6404         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
6405         CHECKING_P.
6406         (resolve_args_picking_1): Likewise.
6407         * dwarf2out.h (struct GTY): Likewise.
6408
6409 2016-02-26  Martin Liska  <mliska@suse.cz>
6410
6411         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
6412         with flag_checking.
6413         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
6414
6415 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
6416             Martin Liska  <mliska@suse.cz>
6417
6418         * doc/install.texi: Mention --enable-valgrind-annotations.
6419
6420 2016-02-26  Richard Biener  <rguenther@suse.de>
6421
6422         PR tree-optimization/69551
6423         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
6424         looking through aliases adjust DECL_PT_UID to refer to the
6425         ultimate alias target.
6426
6427 2016-02-25  Martin Liska  <mliska@suse.cz>
6428
6429         PR middle-end/69919
6430         * alloc-pool.c (after_memory_report): New variable.
6431         * alloc-pool.h (base_pool_allocator ::release): Do not use
6432         the infrastructure if after_memory_report.
6433         * toplev.c (toplev::main): Mark after memory report.
6434
6435 2016-02-25  Richard Biener  <rguenther@suse.de>
6436
6437         PR tree-optimization/48795
6438         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
6439
6440 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
6441
6442         PR driver/68463
6443         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
6444         offloading is enabled and -fopenacc or -fopenmp is specified.
6445         (CRTOFFLOADEND): Likewise.
6446         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
6447         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
6448         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
6449         (offload_objects_file_name): New static var.
6450         (tool_cleanup): Remove offload_objects_file_name file.
6451         (find_offloadbeginend): Replace with ...
6452         (find_crtoffloadtable): ... this.
6453         (run_gcc): Remove offload_argc and offload_argv.
6454         Get offload_objects_file_name from -foffload-objects=... option.
6455         Read names of object files with offload from this file, pass them to
6456         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
6457         don't pass offloadbegin and offloadend to the linker.  Don't pass
6458         offload non-LTO files to the linker, because now they're not claimed.
6459
6460 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
6461
6462         PR ipa/69630
6463         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
6464         on builtin_unreachable.
6465
6466 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
6467
6468         PR rtl-optimization/69896
6469         * regcprop.c: Include cfgrtl.h.
6470         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
6471         than remembered mode, either delete it (if noop_move_p), or
6472         treat like copy_p but not noop_p instruction.
6473
6474 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
6475
6476         PR debug/69705
6477         * dwarf2out.c (gen_variable_die): Work around buggy LTO
6478         - allow NULL decl for Fortran DW_TAG_common_block variables.
6479
6480 2016-02-24  Jason Merrill  <jason@redhat.com>
6481
6482         * common.opt (flifetime-dse): Add -flifetime-dse=1.
6483
6484 2016-02-24  Richard Biener  <rguenther@suse.de>
6485             Jakub Jelinek  <jakub@redhat.com>
6486
6487         PR middle-end/69760
6488         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
6489         conditionally executed ops to well-defined overflow behavior.
6490
6491 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
6492
6493         PR middle-end/69915
6494         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
6495         elements.
6496
6497 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6498
6499         PR rtl-optimization/69886
6500         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
6501         argument.  Use it when checking validity of set instructions.
6502         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
6503         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
6504         callsite.
6505         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
6506         * store-motion.c (find_moveable_store): Update
6507         can_assign_to_reg_without_clobbers_p callsite.
6508
6509 2016-02-24  Richard Biener  <rguenther@suse.de>
6510
6511         PR middle-end/68963
6512         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
6513         bogus check.
6514         (record_nonwrapping_iv): Do not fall back to the low/high bound
6515         for non-constant IV bases if the stmt is not always executed.
6516
6517 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6518
6519         * config/arm/arm-cores.def (cortex-a32): New entry.
6520         * config/arm/arm-tables.opt: Regenerate.
6521         * config/arm/arm-tune.md: Regenerate.
6522         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
6523         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
6524         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
6525         for -mcpu and -mtune.
6526
6527 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6528
6529         PR target/69875
6530         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
6531         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
6532         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
6533         (atomic_loaddi_1): Delete.
6534         (atomic_loaddi): Rewrite expander using the above changes.
6535
6536 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
6537
6538         PR c/69918
6539         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
6540         2 to 3.
6541
6542 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
6543             Richard Biener  <rguenth@suse.de>
6544
6545         PR middle-end/69909
6546         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
6547         set_mem_attributes if tem is SSA_NAME which got expanded
6548         as a MEM.
6549
6550 2016-02-24  Richard Biener  <rguenther@suse.de>
6551
6552         PR tree-optimization/69907
6553         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
6554         end of permutations for BB vectorization.
6555
6556 2016-02-24  Christian Bruel  <christian.bruel@st.com>
6557
6558         * config/arm/arm-c.c (arm_option_override): Initialize
6559         target_option_current_node.
6560         * config/arm/arm.c (arm_pragma_target_parse): Replace
6561         build_target_option_node call by target_option_current_node.
6562         Set target_option_current_node.
6563         Fix comments.
6564
6565 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
6566
6567         PR target/69810
6568         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
6569         define_insn_and_split to define_insn.
6570         (zero_extendqi<mode>2_dot2): Same.
6571         (extendqi<mode>2_dot): Same.
6572         (extendqi<mode>2_dot2): Same.
6573
6574 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
6575
6576         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
6577         and add bypass for AES{D,E} and AESMC pairs.
6578         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
6579         and AESMC pairs.
6580
6581 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
6582
6583         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
6584         series for reciprocal square root in Exynos M1.
6585
6586 2016-02-23  Martin Sebor  <msebor@redhat.com>
6587
6588         PR c/69759
6589         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
6590         __builtin_alloca_with_align.
6591
6592 2016-02-23  Richard Henderson  <rth@redhat.com>
6593
6594         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
6595         (ix86_register_pragmas): Remove __seg_tls.
6596         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
6597         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
6598         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
6599         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
6600         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
6601         * doc/extend.texi (__seg_tls): Remove item.
6602
6603 2016-02-23  Richard Biener  <rguenther@suse.de>
6604
6605         * alloc-pool.h (struct allocation_object): Make id member
6606         conditional on CHECKING_P again.
6607         (get_instance): Adjust.
6608         (base_pool_allocator): Likewise.
6609
6610 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
6611
6612         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
6613         (parallelize_loops): In OpenACC kernels mode, set n_threads to
6614         zero.
6615         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
6616         flag_openacc.
6617         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
6618
6619 2016-02-23  Richard Biener  <rguenther@suse.de>
6620
6621         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
6622         * bitmap.h (struct bitmap_usage): Likewise.
6623         (bitmap_move): Declare.
6624         * bitmap.c (register_overhead): Take size_t argument.
6625         (bitmap_move): New function.
6626         * df-problems.c (df_rd_transfer_function): Use bitmap_move
6627         to properly account overhead.
6628         * tree.c (free_node): Use tree_size.
6629
6630 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
6631
6632         PR c++/69902
6633         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
6634         when inverting comparison.
6635
6636         PR c/69900
6637         * common.opt (Wunreachable-code): Add Warning flag.
6638
6639 2016-02-23  Mark Wielaard  <mjw@redhat.com>
6640             Jakub Jelinek  <jakub@redhat.com>
6641
6642         PR c/69911
6643         * cgraphunit.c (check_global_declaration): Check main_input_filename
6644         and DECL_SOURCE_FILE are not NULL.
6645
6646 2016-02-23  Martin Jambor  <mjambor@suse.cz>
6647
6648         PR tree-optimization/69666
6649         * tree-sra.c (sra_modify_assign): Do not attempt to create
6650         default_def replacements for unscalarizable regions.
6651
6652 2016-02-20  Mark Wielaard  <mjw@redhat.com>
6653
6654         PR c/28901
6655         * cgraphunit.c (check_global_declaration): Check level of
6656         warn_unused_const_variable and main_input_filename.
6657         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
6658         (-Wunused-variable): For C implies -Wunused-const-variable=1.
6659         (-Wunused-const-variable): Explain levels 1 and 2.
6660
6661 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
6662
6663         PR target/69888
6664         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
6665         identical arguments.  Formatting and spelling fixes.
6666
6667         PR target/69885
6668         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
6669         be specified.
6670
6671         PR target/69894
6672         PR target/69895
6673         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
6674         and m68k-devices.def.
6675         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
6676         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
6677
6678 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
6679
6680         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
6681         and HImode registers.
6682
6683 2016-02-22  Richard Biener  <rguenther@suse.de>
6684
6685         PR tree-optimization/69882
6686         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
6687         preserve permutations present because of gaps.
6688         (vect_supported_load_permutation_p): Always continue checking
6689         permutations after vect_attempt_slp_rearrange_stmts.
6690
6691 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
6692
6693         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
6694         min_profitable_estimate, rather than min_profitable_iters.
6695
6696 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
6697
6698         PR target/69885
6699         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
6700         SImode for last match_operand.
6701
6702 2016-02-22  Martin Liska  <mliska@suse.cz>
6703
6704         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
6705         return bitsize - 1 as the return value.
6706
6707 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
6708
6709         PR target/69806
6710         PR target/54089
6711         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
6712         Handle negative shift counts.
6713         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
6714         force_reg on the shift constant.
6715         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
6716         (lshrsi3_d): Handle negative shift counts.
6717
6718 2016-02-22  Richard Biener  <rguenther@suse.de>
6719             Tom de Vries  <tom@codesourcery.com>
6720
6721         * graph.c: Include dumpfile.h.
6722         (print_graph_cfg): Split into three overloads.
6723         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
6724
6725 2016-02-22  Tom de Vries  <tom@codesourcery.com>
6726
6727         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
6728         dump-fn.
6729
6730 2016-02-22  Richard Biener  <rguenther@suse.de>
6731
6732         PR ipa/37448
6733         * ipa-inline-transform.c (inline_call): When not updating
6734         overall summaries adjust self size by the growth estimate.
6735         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
6736         hash-set, do not update overall summaries here.  Renamed from ...
6737         (inline_to_all_callers): ... this which is now wrapping the
6738         above and performing delayed overall summary update.
6739         (early_inline_small_functions): Delay updating of the overall
6740         summary.
6741
6742 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
6743
6744         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
6745         variable.
6746
6747 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
6748
6749         PR driver/69805
6750         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
6751         :%* in %:gt() argument.
6752         (greater_than_spec_func): Adjust for expecting only numbers,
6753         if there are more than two numbers, compare the last two.
6754
6755 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
6756
6757         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
6758         -Wnarrowing with -std.
6759
6760 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
6761
6762         PR c++/69851
6763         * expr.c (store_field): Don't use bit-field path if exp is
6764         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
6765         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
6766         and the assignment can be performed by bitwise copy.  Formatting
6767         fix.
6768
6769         PR middle-end/69838
6770         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
6771         call copy_reg_eh_region_note_forward on before and/or after sequences
6772         and remove note from insn if it no longer can throw.
6773
6774         PR target/69820
6775         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
6776         if TARGET_AVX512BW.
6777
6778 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6779
6780         * config/s390/vector.md: Add missing commutative operand markers
6781         to the patterns which qualify for one.
6782         * config/s390/vx-builtins.md: Likewise.
6783
6784 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6785
6786         * config/s390/vector.md (VI, VI_QHS): Add single element vector
6787         types to mode iterators.
6788         (vec_double): ... and mode attribute.
6789         * config/s390/vx-builtins.md (non_vec_int): Likewise.
6790
6791 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6792
6793         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
6794         Change the predicate of op2 from nonimmediate to general and let
6795         reload fix it if necessary.
6796
6797 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6798
6799         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
6800
6801 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6802
6803         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
6804         mode.
6805
6806 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6807
6808         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
6809         * config/s390/s390.c (s390_expand_vec_movstr): New function.
6810         * config/s390/s390.md ("movstr<P:mode>"): Call
6811         s390_expand_vec_movstr.
6812
6813 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6814
6815         * config/s390/s390.md: Add missing output modifier for operand 1
6816         to print it as address properly.
6817
6818 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6819
6820         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
6821         * config/s390/2964.md: New file.
6822         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
6823         of insn grouping attributes depending on the CPU level.
6824         (s390_get_unit_mask): New function.
6825         (s390_sched_score): Remove the OOO from the scheduling macros.
6826         Add loop to calculate a score for the instruction mix.
6827         (s390_sched_reorder): Likewise plus improve debug output.
6828         (s390_sched_variable_issue): Rename macros as above.  Calculate
6829         the unit distances after actually scheduling an insn.  Improve
6830         debug output.
6831         (s390_sched_init): Clear last_scheduled_unit_distance array.
6832         * config/s390/s390.md: Include 2964.md.
6833
6834 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
6835
6836         PR target/69671
6837         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
6838         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
6839         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
6840         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
6841         *avx512f_<code>v8div16qi2_mask_1): New insns.
6842
6843 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
6844
6845         PR target/68404
6846         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
6847         2016-02-09 change.
6848
6849         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
6850         earlyclobber from target.  Use wF constraint for fused memory
6851         address.
6852         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
6853
6854 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
6855             Martin Liska  <mliska@suse.cz>
6856
6857         PR sanitizer/69863
6858         * cfgexpand.c (asan_sanitize_stack_p): New function.
6859         (partition_stack_vars): Use the function.
6860         (expand_stack_vars): Likewise.
6861         (defer_stack_allocation): Likewise.
6862         (expand_used_vars): Likewise.
6863
6864 2016-02-18  Richard Biener  <rguenther@suse.de>
6865
6866         PR middle-end/69553
6867         * fold-const.c (operand_equal_p): Properly compare offsets for
6868         IMAGPART_EXPR and ARRAY_REF.
6869
6870 2016-02-18  Nick Clifton  <nickc@redhat.com>
6871
6872         PR target/62254
6873         PR target/69610
6874         * config/arm/arm.c (arm_option_override_internal): Disable
6875         interworking if the target does not support thumb instructions.
6876         (arm_reload_in_hi): Handle the case where a register to register
6877         move needs reloading because there is no simple pattern to handle
6878         it.
6879         (arm_reload_out_hi): Likewise.
6880
6881 2016-02-18  Richard Biener  <rguenther@suse.de>
6882
6883         PR middle-end/69854
6884         * match.pd: Don't use fold_binary or fold_unary for folding
6885         constants.
6886
6887 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
6888
6889         PR c++/69850
6890         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
6891         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
6892         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
6893         warn on gimple_no_warning_p statements.
6894
6895 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
6896
6897         * doc/extend.texi (C++ Attributes): Correct description of
6898         warn_unused type attribute.
6899
6900 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6901
6902         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
6903         correct instruction.
6904
6905 2016-02-17  Richard Biener  <rguenther@suse.de>
6906
6907         PR rtl-optimization/69609
6908         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
6909         (find_traces_1_round): When ending a trace update cached priority
6910         of successors.
6911         (bb_to_key): Use cached priority when available.
6912         (copy_bb): Initialize cached priority.
6913         (reorder_basic_blocks_software_trace_cache): Likewise.
6914
6915 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6916
6917         PR target/69161
6918         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
6919         New predicate.
6920         (aarch64_comparison_operator): Break overly long line into two.
6921         (aarch64_comparison_operation): Likewise.
6922         * config/aarch64/aarch64.md (cstorecc4): Use
6923         aarch64_comparison_operator_mode instead of
6924         aarch64_comparison_operator.
6925         (cstore<mode>4): Likewise.
6926         (aarch64_cstore<mode>): Likewise.
6927         (*cstoresi_insn_uxtw): Likewise.
6928         (cstore<mode>_neg): Likewise.
6929         (*cstoresi_neg_uxtw): Likewise.
6930
6931 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6932
6933         PR target/69161
6934         * config/arm/predicates.md (arm_comparison_operator_mode):
6935         New predicate.
6936         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
6937         instead of arm_comparison_operator.
6938         (*mov_negscc): Likewise.
6939         (*mov_notscc): Likewise.
6940         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
6941         (*thumb2_mov_negscc): Likewise.
6942         (*thumb2_mov_negscc_strict_it): Likewise.
6943         (*thumb2_mov_notscc): Likewise.
6944         (*thumb2_mov_notscc_strict_it): Likewise.
6945
6946 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
6947
6948         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
6949         Add missing return.
6950
6951 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
6952
6953         * config/visium/visium.c (machine_libfunc_index): New enum.
6954         (machine_libfuncs): New structure.
6955         (visium_libfuncs): New static variable.
6956         (TARGET_INIT_LIBFUNCS): Define to...
6957         (visium_init_libfuncs): ...this.  New function.
6958         (expand_block_move_4): Use the appropriate libfunc.
6959         (expand_block_move_2): Likewise.
6960         (expand_block_move_1): Likewise.
6961         (expand_block_set_4): Likewise.
6962         (expand_block_set_2): Likewise.
6963         (expand_block_set_1): Likewise.
6964         (visium_trampoline_init): Likewise.
6965
6966 2016-02-17  Nick Clifton  <nickc@redhat.com>
6967
6968         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
6969         TI's devices.csv file as of March 2016.
6970
6971 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
6972
6973         PR Target/48344
6974         * opts-global.c (handle_common_deferred_options): Introduce and
6975         initialize two global variables to remember command-line options
6976         specifying a stack-limiting register.
6977         * opts.h: Add extern declarations of the two new global variables.
6978         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
6979         variable based on the values of the two new global variables.
6980
6981 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
6982
6983         PR c/69835
6984         * common.opt (Wnonnull-compare): New warning.
6985         * doc/invoke.texi (-Wnonnull): Remove text about comparison
6986         of arguments against NULL.
6987         (-Wnonnull-compare): Document.
6988         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
6989         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
6990         * passes.def (pass_warn_nonnull_compare): Add.
6991         * gimple-ssa-nonnull-compare.c: New file.
6992
6993 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
6994
6995         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
6996         AARCH64_EXTRA_TUNE_RECIP_SQRT.
6997
6998 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
6999
7000         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
7001         reciprocal sqrt for -mlow-precision-recip-sqrt.
7002
7003 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
7004             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7005
7006         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
7007         always use lane loads to construct non-constant vectors.
7008
7009 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
7010
7011         * config/aarch64/aarch64.md
7012         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
7013         constraints for operand 3.
7014         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
7015
7016 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7017             Richard Biener  <rguenther@suse.de>
7018
7019         PR tree-optimization/69820
7020         * tree-vect-patterns.c (type_conversion_p): Return false if
7021         *orig_type is unsigned single precision or boolean.
7022         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
7023         Formatting fix.
7024
7025 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7026
7027         PR rtl-optimization/69764
7028         PR rtl-optimization/69771
7029         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
7030         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
7031
7032 2016-02-16  Richard Biener  <rguenther@suse.de>
7033
7034         PR tree-optimization/69776
7035         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
7036         sets from caller.
7037         (indirect_refs_may_alias_p): Likewise.
7038         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
7039         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
7040         according to tbaa_p.
7041         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
7042         (optimize_stmt): For redundant store discovery do not allow tbaa.
7043
7044 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
7045
7046         PR tree-optimization/69714
7047         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
7048         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
7049
7050 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
7051
7052         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
7053         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
7054         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
7055         * config/arc/arc.c (arc_init): Check FPU options.
7056         (get_arc_condition_code): Handle new CC_FPU* modes.
7057         (arc_select_cc_mode): Likewise.
7058         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
7059         register pair only. Allow access for ARCv2 accumulator.
7060         (gen_compare_reg): Whenever we have FPU support use FPU compare
7061         instructions.
7062         (arc_reorg): Don't generate brcc insns when FPU compare
7063         instructions are involved.
7064         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
7065         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
7066         floating point emulation.
7067         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
7068         (REVERSE_CONDITION): Add new CC_FPU* modes.
7069         (TARGET_FP_SP_BASE): Define.
7070         (TARGET_FP_DP_BASE): Likewise.
7071         (TARGET_FP_SP_FUSED): Likewise.
7072         (TARGET_FP_DP_FUSED): Likewise.
7073         (TARGET_FP_SP_CONV): Likewise.
7074         (TARGET_FP_DP_CONV): Likewise.
7075         (TARGET_FP_SP_SQRT): Likewise.
7076         (TARGET_FP_DP_SQRT): Likewise.
7077         (TARGET_FP_DP_AX): Likewise.
7078         * config/arc/arc.md (ARCV2_ACC): New constant.
7079         (type): New fpu type attribute.
7080         (SDF): Conditional iterator.
7081         (cstore<mode>, cbranch<mode>): Change expand condition.
7082         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
7083         handles FPU/FPX cases as well.
7084         * config/arc/arc.opt (mfpu): New option.
7085         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
7086         Renamed.
7087         (adddf3, muldf3, subdf3): Removed.
7088         * config/arc/predicates.md (proper_comparison_operator): Recognize
7089         CC_FPU* modes.
7090         * config/arc/fpu.md: New file.
7091         * doc/invoke.texi (ARC Options): Document mfpu option.
7092
7093 2016-02-16  Richard Biener  <rguenther@suse.de>
7094
7095         PR rtl-optimization/69291
7096         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
7097         noce_operand_ok check.
7098
7099 2016-02-16  Tom de Vries  <tom@codesourcery.com>
7100
7101         PR lto/67709
7102         * omp-low.c (simd_clone_create): Remove call to
7103         symtab->call_cgraph_insertion_hooks.
7104
7105 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
7106
7107         PR tree-optimization/69802
7108         * tree-ssa-reassoc.c (update_range_test): If op is
7109         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
7110         op == 1 test of precision 1 integral op, otherwise handle
7111         that case as op itself.  Fix up formatting.
7112         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
7113         up formatting.
7114
7115 2016-02-16  Richard Biener  <rguenther@suse.de>
7116
7117         PR tree-optimization/69586
7118         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
7119         types for conversion sources.
7120
7121 2016-02-16  Richard Biener  <rguenther@suse.de>
7122
7123         PR middle-end/69801
7124         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
7125         mask OEP_ADDRESS_OF.
7126
7127 2016-02-16  Alan Modra  <amodra@gmail.com>
7128
7129         PR target/68973
7130         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
7131         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
7132         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
7133         (p8_mtvsrwz): New.
7134         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
7135         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
7136         (p8_fmrgow_<mode>): Likewise.
7137         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
7138         changes.
7139         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
7140         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
7141         to use movdi_internal64.  Remove op0_di.
7142         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
7143
7144 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
7145
7146         Add support for the FCCMP insn types
7147
7148         * config/aarch64/aarch64.md (fccmp): Change insn type.
7149         (fccmpe): Likewise.
7150         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
7151         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
7152         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
7153         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
7154         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
7155         * config/arm/types.md (fccmps): Add new insn type.
7156         (fccmpd): Likewise.
7157
7158 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7159
7160         * alias.c (get_alias_set): Fix a typo in comment.
7161
7162 2016-02-15  Richard Biener  <rguenther@suse.de>
7163
7164         PR tree-optimization/69595
7165         * match.pd: Complete range test simplification to true.
7166
7167 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
7168
7169         PR rtl-optimization/69648
7170         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
7171         pic_offset_table_rtx.
7172
7173         PR rtl-optimization/69752
7174         * ira.c (update_equiv_regs): When looking for more than a single SET,
7175         also take other side effects into account.
7176
7177 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
7178
7179         * config/s390/s390.c (s390_function_profiler): Add a new sequence
7180         for z900+ CPUs in 31-bit mode.
7181
7182 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
7183
7184         * common/config/s390/s390-common.c (s390_supports_split_stack):
7185         New function.
7186         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
7187         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
7188         * config/s390/s390.c (struct machine_function): New field
7189         split_stack_varargs_pointer.
7190         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
7191         in s390_emit_prologue.
7192         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
7193         vararg pointer.
7194         (morestack_ref): New global.
7195         (SPLIT_STACK_AVAILABLE): New macro.
7196         (s390_expand_split_stack_prologue): New function.
7197         (s390_live_on_entry): New function.
7198         (s390_va_start): Use split-stack vararg pointer if appropriate.
7199         (s390_asm_file_end): Emit the split-stack note sections.
7200         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
7201         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
7202         (UNSPECV_SPLIT_STACK_CALL): New unspec.
7203         (UNSPECV_SPLIT_STACK_DATA): New unspec.
7204         (split_stack_prologue): New expand.
7205         (split_stack_space_check): New expand.
7206         (split_stack_data): New insn.
7207         (split_stack_call): New expand.
7208         (split_stack_call_*): New insn.
7209         (split_stack_cond_call): New expand.
7210         (split_stack_cond_call_*): New insn.
7211
7212 2016-02-15  Richard Biener  <rguenther@suse.de>
7213
7214         PR tree-optimization/69783
7215         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7216         Add trivially correct cases.
7217
7218 2016-02-15  Tom de Vries  <tom@codesourcery.com>
7219
7220         PR lto/69655
7221         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
7222         do_force_output.
7223         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
7224
7225 2016-02-15  Richard Biener  <rguenther@suse.de>
7226
7227         PR tree-optimization/69776
7228         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
7229         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
7230         indicate whether we can use TBAA to disambiguate against stores.
7231         Use alias-set zero if not.
7232         (visit_reference_op_store): Do not use TBAA when looking up
7233         redundant stores.
7234         * tree-ssa-pre.c (compute_avail): Use TBAA here.
7235         (eliminate_dom_walker::before_dom_children): But not when looking
7236         up redundant stores.
7237
7238 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
7239
7240         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
7241
7242 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7243
7244         *  config/i386/znver1.md
7245         (znver1_pop, znver1_pop_mem,
7246         znver1_load_imov_double_store,
7247         znver1_load_imov_direct_store,
7248         znver1_load_imov_direct_load,
7249         znver1_load_imov_double_load): Add new.
7250         (znver1_insn, znver1_insn_load): Add icmov type.
7251         (znver1_sseavx_fma,
7252         znver1_sseavx_fma_load,
7253         znver1_avx256_fma,
7254         znver1_avx256_fma_load): Fix pipe usage.
7255
7256 2016-02-14  Alan Modra  <amodra@gmail.com>
7257
7258         PR target/68973
7259         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
7260         with an invalid hard reg, reload just the reg not the entire
7261         pre/post-inc/dec address expression.
7262
7263 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
7264
7265         PR target/67260
7266         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
7267         fixed R1_REG scratch reg.
7268         (sibcall_value_pcrel_fdpic): Likewise.
7269
7270 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
7271
7272         PR target/67636
7273         PR target/64345
7274         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
7275
7276 2016-02-12  Walter Lee  <walt@tilera.com>
7277
7278         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
7279         * config/tilegx/t-tilegx: Likewise.
7280
7281 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
7282
7283         PR other/69554
7284         * diagnostic-show-locus.c (struct line_span): New struct.
7285         (layout::get_first_line): Delete.
7286         (layout::get_last_line): Delete.
7287         (layout::get_num_line_spans): New member function.
7288         (layout::get_line_span): Likewise.
7289         (layout::print_heading_for_line_span_index_p): Likewise.
7290         (layout::get_expanded_location): Likewise.
7291         (layout::calculate_line_spans): Likewise.
7292         (layout::m_first_line): Delete.
7293         (layout::m_last_line): Delete.
7294         (layout::m_line_spans): New field.
7295         (layout::layout): Update comment.  Replace m_first_line and
7296         m_last_line with m_line_spans, replacing their initialization
7297         with a call to calculate_line_spans.
7298         (diagnostic_show_locus): When printing source lines and
7299         annotations, rather than looping over a single span
7300         of lines, instead loop over each line_span within
7301         the layout, with an inner loop over the lines within them.
7302         Call the context's start_span callback when changing line spans.
7303         * diagnostic.c (diagnostic_initialize): Initialize start_span.
7304         (diagnostic_build_prefix): Break out the building of the location
7305         part of the string into...
7306         (diagnostic_get_location_text): ...this new function, rewriting
7307         it from nested ternary expressions to a sequence of "if"
7308         statements.
7309         (default_diagnostic_start_span_fn): New function.
7310         * diagnostic.h (diagnostic_start_span_fn): New typedef.
7311         (diagnostic_context::start_span): New field.
7312         (default_diagnostic_start_span_fn): New prototype.
7313
7314 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
7315
7316         PR driver/69779
7317         * gcc.c (driver::finalize): Fix cleanup of "specs".
7318
7319 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
7320
7321         PR driver/69265
7322         PR driver/69453
7323         * gcc.c (driver::driver): Initialize m_option_suggestions.
7324         (driver::~driver): Clean up m_option_suggestions.
7325         (suggest_option): Convert to...
7326         (driver::suggest_option): ...this, and split out into
7327         driver::build_option_suggestions and find_closest_string.
7328         (driver::build_option_suggestions): New function, from
7329         first half of suggest_option.  Special-case
7330         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
7331         the sanitizer_opts array.  For options of enum types, add the
7332         various enum values to the candidate strings.
7333         (driver::handle_unrecognized_options): Remove "const".
7334         * gcc.h (driver::handle_unrecognized_options): Likewise.
7335         (driver::build_option_suggestions): New decl.
7336         (driver::suggest_option): New decl.
7337         (driver::m_option_suggestions): New field.
7338         * opts-common.c (add_misspelling_candidates): New function.
7339         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
7340         and make non-static.
7341         * opts.h (sanitizer_opts): New array decl.
7342         (add_misspelling_candidates): New function decl.
7343         * spellcheck.c (find_closest_string): New function.
7344         * spellcheck.h (find_closest_string): New function decl.
7345
7346 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
7347
7348         PR rtl-optimization/69764
7349         PR rtl-optimization/69771
7350         * optabs.c (expand_binop_directly): For shift_optab_p, force
7351         convert_modes with VOIDmode if xop1 has VOIDmode.
7352
7353 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
7354
7355         PR target/69729
7356         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
7357         to correctly determine instrumentation thunks.
7358
7359 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
7360
7361         PR ipa/69241
7362         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
7363         type by reference, force lhs on the call.
7364
7365         PR ipa/68672
7366         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
7367         Compute retval and retbnd early in all cases if split_part_return_p
7368         and return_bb is not EXIT.  Remove all clobber stmts and reset
7369         all debug stmts that refer to SSA_NAMEs defined in split part,
7370         except if it is retval, in that case replace the old retval with the
7371         lhs of the call to the split part.
7372
7373 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
7374
7375         revert:
7376         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
7377
7378         PR middle-end/66726
7379         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
7380         whose result is used in PHI.
7381         (maybe_optimize_range_tests): Likewise.
7382         (final_range_test_p): Likweise.
7383
7384 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
7385
7386         PR middle-end/66726
7387         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
7388         whose result is used in PHI.
7389         (maybe_optimize_range_tests): Likewise.
7390         (final_range_test_p): Likweise.
7391
7392 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
7393
7394         * cgraph.c: Spelling fixes - behaviour -> behavior and
7395         neighbour -> neighbor.
7396         * target.def: Likewise.
7397         * sel-sched.c: Likewise.
7398         * config/mips/mips.c: Likewise.
7399         * config/arc/arc.md: Likewise.
7400         * config/arm/cortex-a57.md: Likewise.
7401         * config/arm/arm.c: Likewise.
7402         * config/arm/neon.md: Likewise.
7403         * config/arm/arm-c.c: Likewise.
7404         * config/vms/vms-c.c: Likewise.
7405         * config/s390/s390.c: Likewise.
7406         * config/i386/znver1.md: Likewise.
7407         * config/i386/i386.c: Likewise.
7408         * config/ia64/hpux-unix2003.h: Likewise.
7409         * config/msp430/msp430.md: Likewise.
7410         * config/rx/rx.c: Likewise.
7411         * config/rx/rx.md: Likewise.
7412         * config/aarch64/aarch64-simd.md: Likewise.
7413         * config/aarch64/aarch64.c: Likewise.
7414         * config/nvptx/nvptx.c: Likewise.
7415         * config/bfin/bfin.c: Likewise.
7416         * config/cris/cris.opt: Likewise.
7417         * config/rs6000/rs6000.c: Likewise.
7418         * target.h: Likewise.
7419         * spellcheck.c: Likewise.
7420         * ira-build.c: Likewise.
7421         * tree-inline.c: Likewise.
7422         * builtins.c: Likewise.
7423         * lra-constraints.c: Likewise.
7424         * explow.c: Likewise.
7425         * hwint.h: Likewise.
7426         * targhooks.c: Likewise.
7427         * tree-vect-data-refs.c: Likewise.
7428         * expr.c: Likewise.
7429         * doc/tm.texi: Likewise.
7430         * doc/extend.texi: Likewise.
7431         * doc/install.texi: Likewise.
7432         * doc/md.texi: Likewise.
7433         * tree-ssa-tail-merge.c: Likewise.
7434         * sched-int.h: Likewise.
7435         * match.pd: Likewise.
7436         * sched-ebb.c: Likewise.
7437         * target.def (omit_struct_return_reg): Likewise.
7438         * gimple-ssa-isolate-paths.c: Likewise.
7439         (find_implicit_erroneous_behaviour): Renamed to...
7440         (find_implicit_erroneous_behavior): ... this.
7441         (find_explicit_erroneous_behaviour): Renamed to...
7442         (find_explicit_erroneous_behavior): ... this.
7443         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
7444
7445 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
7446
7447         PR rtl-optimization/64682
7448         PR rtl-optimization/69567
7449         PR rtl-optimization/69737
7450         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
7451         in I2 as well, just lose it.
7452
7453 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7454
7455         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
7456         New variable.
7457         (aarch64_last_printed_tune_string): Likewise.
7458         (aarch64_declare_function_name): Only output .arch assembler
7459         directive if it will be different from the previously output
7460         directive.  Same for .tune comment but only if -dA is set.
7461         (aarch64_start_file): New function.
7462         (TARGET_ASM_FILE_START): Define.
7463
7464 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
7465
7466         PR plugins/69758
7467         * Makefile.in (PLUGIN_HEADERS): Add params.list.
7468
7469 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
7470
7471         PR target/65313
7472         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
7473         -Wmaybe-uninitialized warning.
7474
7475 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
7476
7477         PR target/69713
7478         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
7479
7480 2016-02-11  Richard Biener  <rguenther@suse.de>
7481
7482         PR rtl-optimization/69291
7483         * ifcvt.c (noce_try_store_flag_constants): Do not allow
7484         subexpressions affected by changing the result.
7485
7486 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
7487
7488         PR target/69148
7489         * lra-constraints.c (curr_insn_transform): Find in/out operands
7490         for secondary memory moves.  Update dups.
7491
7492 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
7493
7494         PR tree-optimization/69652
7495         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
7496         to nested loop, did source re-formatting, skip debug statements,
7497         add check on statement with volatile operand, remove dead scalar
7498         statements.
7499
7500 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
7501             Patrick Palka  <ppalka@gcc.gnu.org>
7502
7503         PR ipa/69241
7504         PR c++/69649
7505         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
7506         calls if the return type is TREE_ADDRESSABLE.
7507         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
7508         * ipa-split.c (split_function): Fix doubled "we" in comment.
7509         Use void return type for the split part even if
7510         !split_point->split_part_set_retval.
7511
7512 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
7513
7514         PR tree-optimization/68021
7515         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
7516         when computing the value of biv cand by itself.
7517
7518 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
7519
7520         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
7521         (cortexa57_tunings): Likewise.
7522         (cortexa72_tunings): Likewise.
7523         (arch_macro_fusion_pair_p): Add support for AES fusion.
7524         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
7525         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
7526         Allow virtual registers before reload so early scheduling works.
7527         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
7528         correct latency and pipeline.
7529         (cortex_a57_crypto_complex): Likewise.
7530         (cortex_a57_crypto_xor): Likewise.
7531         (define_bypass): Add AES bypass.
7532
7533 2016-02-10  Richard Biener  <rguenther@suse.de>
7534
7535         PR tree-optimization/69726
7536         * passes.def: Add DCE pass before late uninit.
7537         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
7538         really fixup if-conversions job.
7539
7540 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
7541
7542         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
7543         (arm_cortex_a57_tune): Likewise.
7544         (aarch_macro_fusion_pair_p): Add support for AES fusion.
7545         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
7546
7547 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
7548
7549         * timevar.def (TV_PHASE_DBGINFO): Delete.
7550         (TV_PHASE_CHECK_DBGINFO): Likewise.
7551         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
7552
7553 2016-02-10  Richard Biener  <rguenther@suse.de>
7554
7555         PR tree-optimization/69719
7556         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7557         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
7558
7559 2016-02-09  Andrew Pinski  <apinski@cavium.com>
7560
7561         PR tree-opt/69282
7562         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
7563         get_vcond_mask_icode returns false.
7564
7565 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
7566
7567         PR target/68404
7568         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
7569         an ADDIS that adds a pointer to a large constant that sets the
7570         upper16 bits with a load operation.
7571
7572 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
7573
7574         PR target/68532
7575         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
7576         order.
7577         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
7578         endian.
7579         (vzipq_s16): Likewise.
7580         (vzipq_s32): Likewise.
7581         (vzipq_f32): Likewise.
7582         (vzipq_u8): Likewise.
7583         (vzipq_u16): Likewise.
7584         (vzipq_u32): Likewise.
7585         (vzipq_p8): Likewise.
7586         (vzipq_p16): Likewise.
7587
7588 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
7589
7590         PR target/68532
7591         * config/arm/arm.c (neon_endian_lane_map): New function.
7592         (neon_vector_pair_endian_lane_map): New function.
7593         (arm_evpc_neon_vuzp): Allow for big endian lane order.
7594         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
7595         endian.
7596         (vuzpq_s16): Likewise.
7597         (vuzpq_s32): Likewise.
7598         (vuzpq_f32): Likewise.
7599         (vuzpq_u8): Likewise.
7600         (vuzpq_u16): Likewise.
7601         (vuzpq_u32): Likewise.
7602         (vuzpq_p8): Likewise.
7603         (vuzpq_p16): Likewise.
7604
7605 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
7606
7607         PR target/69634
7608         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
7609         debug insns.
7610
7611 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
7612
7613         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
7614         truncate const_int operand 1 to QImode.
7615
7616 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
7617
7618         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
7619         corresponding to an abnormal edge.
7620
7621 2016-02-09  Tom de Vries  <tom@codesourcery.com>
7622
7623         PR tree-optimization/69599
7624         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
7625         function.
7626         (find_func_aliases_for_builtin_call, find_func_clobbers)
7627         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
7628         partition.
7629
7630 2016-02-09  Richard Biener  <rguenther@suse.de>
7631
7632         PR tree-optimization/69715
7633         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
7634         LHS on calls as non-rewritable.
7635
7636 2016-02-09  Tom de Vries  <tom@codesourcery.com>
7637
7638         PR lto/69707
7639         * lto-wrapper.c (append_diag_options): New function.
7640         (compile_offload_image): Call append_diag_options.
7641
7642 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
7643
7644         PR other/69722
7645         * doc/extend.texi (Flag Output Operands): Correct sectioning.
7646         Minor copy-edit to fix verb tenses.
7647
7648 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
7649
7650         PR tree-optimization/69209
7651         * ipa-split.c (split_function): If split part is not
7652         returning retval, retval has gimple type but is not
7653         gimple value, force it into a SSA_NAME first.
7654
7655 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
7656
7657         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
7658         outdated section.
7659
7660 2016-02-08  Jason Merrill  <jason@redhat.com>
7661
7662         PR c++/69631
7663         * convert.c (convert_to_integer_1): Check dofold on truncation
7664         distribution.
7665         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
7666         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
7667         Rename from *_nofold.
7668         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
7669         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
7670
7671 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
7672
7673         PR target/60410
7674         * tree.c (build_common_tree_nodes): Remove short_double argument.
7675         All callers changed.
7676         * tree.h (build_common_tree_nodes): Adjust declaration.
7677         * doc/invoke.texi (-fshort-double): Remove documentation.
7678         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7679         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
7680         * lto-wrapper.c (merge_and_complain, append_compiler_options)
7681         (append_linker_options): Don't handle OPT_fshort_double.
7682
7683         PR rtl-optimization/68730
7684         * lra-remat.c (insn_to_cand_activation): New static variable.
7685         (lra_remat): Allocate and free it.
7686         (create_cand): New arg activation. Initialize a field in
7687         insn_to_cand_activation if it is nonnull.
7688         (create_cands): Pass the activation insn to create_cand when making
7689         a candidate involving an output reload.  Reorganize code a little.
7690         (do_remat): Keep track of active status of candidates in a separate
7691         bitmap.
7692
7693 2016-02-08  Richard Biener  <rguenther@suse.de>
7694
7695         PR tree-optimization/69719
7696         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
7697         Properly use absolute of the difference of the two offsets to
7698         compare or adjust the segment length.
7699
7700 2016-02-08  Richard Biener  <rguenther@suse.de>
7701             Jeff Law  <law@redhat.com>
7702
7703         PR target/68273
7704         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
7705         types for anonymous SSA names.
7706
7707 2016-02-08   Richard Biener  <rguenther@suse.de>
7708
7709         PR rtl-optimization/69274
7710         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
7711
7712 2016-02-08  Jeff Law  <law@redhat.com>
7713
7714         PR tree-optimization/65917
7715         * tree-ssa-dom.c (record_temporary_equivalences): Record both
7716         equivalences from if (x == y) style conditionals.
7717         (loop_depth_of_name): Remove.
7718         (record_equality): Remove loop depth check.
7719         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
7720         (const_and_copies::record_const_or_copy_raw): New member function.
7721         * tree-ssa-scopedtables.c
7722         (const_and_copies::record_const_or_copy_raw): New, factored out of
7723         (const_and_copies::record_const_or_copy): Call new member function.
7724
7725 2016-02-05  Jeff Law  <law@redhat.com>
7726
7727         PR tree-optimization/68541
7728         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
7729         (count_stmts_in_block): New function.
7730         (poor_ifcvt_candidate_code): Likewise.
7731         (is_feasible_trace): Add some heuristics to determine when path
7732         splitting is profitable.
7733         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
7734         is a diamond with a single exit.
7735
7736 2016-02-05  Martin Sebor  <msebor@redhat.com>
7737
7738         PR c++/69662
7739         * doc/invoke.texi: Update -Wplacement-new to take an optional
7740         argument.
7741
7742 2016-02-06  Richard Henderson  <rth@redhat.com>
7743
7744         PR c/69643
7745         * tree.c (tree_nop_conversion_p): Do not strip casts into or
7746         out of non-standard address spaces.
7747
7748 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
7749
7750         PR rtl-optimization/69691
7751         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
7752
7753 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
7754
7755         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
7756         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
7757         (*ieee128_mfvsrd_64bit): Likewise.
7758         (*ieee128_mfvsrd_32bit): Likewise.
7759
7760 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
7761
7762         PR target/69369
7763         Revert r232560:
7764         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7765
7766         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
7767         instrumented_version.
7768
7769 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
7770
7771         * doc/invoke.texi (Optimize Options): In table of --param options
7772         rename second occurrence of tracer-min-branch-ratio to
7773         tracer-min-branch-probability, rename
7774         tracer-min-branch-ratio-feedback to
7775         tracer-min-branch-probability-feedback and clarify description,
7776         rename sched-spec-state-edge-prob-cutoff to
7777         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
7778         to selsched-insns-to-rename, rename lto-minpartition to
7779         lto-min-partition, delete reorder-blocks-duplicate and
7780         reorder-blocks-duplicate-feedback.
7781
7782 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7783
7784         * config/s390/s390.c (s390_register_info_set_ranges): Remove
7785         superfluous loops.
7786
7787 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7788
7789         * doc/extend.texi: S/390: Correct some typos.
7790
7791 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7792
7793         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
7794
7795 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7796
7797         PR target/69625
7798         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
7799         (s390_register_info_gprtofpr): Use new macros above.
7800         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
7801         its name.
7802         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
7803         its name.  Adjust restore and save gpr ranges.
7804         (s390_register_info_set_ranges): New function.
7805         (s390_register_info): Use new macros above.  Call
7806         s390_register_info_set_ranges.
7807         (s390_optimize_register_info): Likewise.
7808         (s390_hard_regno_rename_ok): Use new macros.
7809         (s390_hard_regno_scratch_ok): Likewise.
7810         (s390_emit_epilogue): Likewise.
7811         (s390_can_use_return_insn): Likewise.
7812         (s390_optimize_prologue): Likewise.
7813         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
7814
7815 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
7816
7817         PR bootstrap/69677
7818         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
7819         alignment fixes.
7820         (ix86_option_override_internal): Disable TARGET_STV even for
7821         -m{incoming,preferred}-stack-boundary=3.
7822
7823 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7824
7825         * config.gcc: Mark deprecated rtems targets as obsolete.
7826
7827 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
7828
7829         PR rtl-optimization/64682
7830         PR rtl-optimization/69567
7831         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
7832         before I2 only if the register is both used and set in I2.
7833
7834 2016-02-04  DJ Delorie  <dj@redhat.com>
7835
7836         * config/msp430/msp430.c (msp430_start_function): Add function type.
7837
7838 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
7839
7840         PR fortran/69368
7841         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
7842
7843 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
7844
7845         PR rtl-optimization/69577
7846         Revert:
7847         2015-10-29  Richard Henderson  <rth@redhat.com>
7848
7849         PR target/68124
7850         PR rtl-opt/67609
7851         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
7852         sse check to the exact conditions of PR 67609.
7853
7854 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
7855
7856         PR target/69667
7857         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
7858         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
7859         not allowed into the traditional Altivec registers.
7860         (movtd_64bit_nodm): Likewise.
7861         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
7862
7863 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
7864
7865         * config/aarch64/cortex-a57-fma-steering.c
7866         (aarch64_register_fma_steering): Remove "static" from arguments
7867         to register_pass.
7868
7869 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
7870
7871         PR target/69619
7872         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
7873         twice when complex.
7874
7875 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
7876
7877         * doc/invoke.texi: Delete -mno-fma4.
7878
7879 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
7880
7881         PR rtl-optimization/69577
7882         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
7883         (find_subregs_of_mode): Update accordingly.  Iterate over partial
7884         definitions.
7885
7886 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
7887
7888         * config/arm/arm-protos.h (neon_reinterpret): Remove.
7889         * config/arm/arm.c (neon_reinterpret): Remove.
7890         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
7891         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
7892         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
7893         vreinterpretti): Remove.
7894         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
7895         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
7896         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
7897         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
7898         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
7899         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
7900         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
7901         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
7902         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
7903         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
7904         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
7905         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
7906         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
7907         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
7908         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
7909         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
7910         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
7911         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
7912         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
7913         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
7914         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
7915         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
7916         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
7917         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
7918         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
7919         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
7920         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
7921         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
7922         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
7923         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
7924         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
7925         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
7926         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
7927         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
7928         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
7929         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
7930         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
7931         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
7932         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
7933         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
7934         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
7935         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
7936         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
7937         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
7938         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
7939         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
7940         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
7941         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
7942         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
7943         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
7944         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
7945         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
7946         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
7947         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
7948         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
7949         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
7950         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
7951         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
7952         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
7953         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
7954         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
7955         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
7956         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
7957         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
7958         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
7959         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
7960         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
7961         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
7962         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
7963         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
7964         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
7965         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
7966         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
7967         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
7968         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
7969         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
7970         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
7971         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
7972         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
7973         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
7974         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
7975         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
7976         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
7977         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
7978         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
7979         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
7980         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
7981         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
7982         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
7983         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
7984         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
7985         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
7986         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
7987         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
7988         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
7989         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
7990         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
7991         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
7992         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
7993         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
7994         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
7995         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
7996         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
7997
7998 2016-02-04  Martin Liska  <mliska@suse.cz>
7999
8000         PR sanitizer/69276
8001         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
8002         that are gimple_store_p.
8003         (maybe_instrument_call): Likewise.
8004
8005 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
8006
8007         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
8008         register scaling out of memory reference and comment why.
8009
8010 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8011
8012         PR target/65932
8013         PR target/67714
8014         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
8015         folding the source of a SET.
8016
8017 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8018
8019         PR target/65932
8020         PR target/67714
8021         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
8022         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
8023
8024 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
8025
8026         PR target/65932
8027         PR target/67714
8028         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
8029         HImode.
8030
8031 2016-02-04  Christian Bruel  <christian.bruel@st.com>
8032
8033         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
8034         * config/arm/arm.c (arm_set_current_function): Likewise.
8035
8036 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
8037             Ilya Enkovich  <enkovich.gnu@gmail.com>
8038             H.J. Lu  <hongjiu.lu@intel.com>
8039
8040         PR target/69454
8041         * config/i386/i386.c (convert_scalars_to_vector): Remove
8042         stack alignment fixes.
8043         (ix86_option_override_internal): Disable TARGET_STV if stack
8044         might not be aligned enough.
8045         (ix86_minimum_alignment): Assert that TARGET_STV is false.
8046
8047 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
8048
8049         * gcc/config/i386/x86-tune.def: Disable default prefetching
8050         for -march=znver1.
8051
8052 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
8053             Vladimir Makarov  <vmakarov@redhat.com>
8054
8055         PR target/69461
8056         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
8057         in validating fused toc addresses.
8058
8059 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
8060
8061         PR c/69627
8062         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
8063         range->m_caret fields if range->m_show_caret_p is false.
8064
8065         PR target/69644
8066         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
8067         Force oldval into register if it does not satisfy reg_or_short_operand
8068         predicate.  Fix up formatting.
8069
8070 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
8071             Alexandre Oliva  <aoliva@redhat.com>
8072
8073         PR target/69461
8074         * lra-constraints.c (simplify_operand_subreg): Check additionally
8075         address validity after potential reloading.
8076         (process_address_1): Check insns validity.  In case of failure do
8077         nothing.
8078
8079 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
8080
8081         PR target/69118
8082         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
8083         Fix target.
8084
8085 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
8086
8087         * wide-int.cc (canonize_uhwi): New function.
8088         (wi::divmod_internal): Use it.
8089
8090 2016-02-02  James Norris  <jnorris@codesourcery.com
8091
8092         * gimplify.c (omp_notice_variable): Add usage check.
8093
8094 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
8095
8096         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
8097         like LE, GE, LT, GT when emitting relational operator.
8098
8099 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
8100
8101         * ira-costs.c (find_costs_and_classes): Add extra argument.
8102         * target.def (ira_change_pseudo_allocno_class): Add parameter.
8103         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
8104         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
8105         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
8106         Add best_class parameter, and return it if not ALL_REGS.
8107         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
8108         Add parameter.
8109         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
8110         Update target hook.
8111
8112 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
8113
8114         * config/aarch64/aarch64.c
8115         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
8116         (aarch64_ira_change_pseudo_allocno_class): New function.
8117
8118 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
8119
8120         PR target/67032
8121         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
8122
8123 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
8124
8125         * config/avr/avr.c (avr_option_override): Set
8126         PARAM_ALLOW_STORE_DATA_RACES to 1.
8127
8128 2016-02-02  Richard Biener  <rguenther@suse.de>
8129
8130         PR tree-optimization/69595
8131         * match.pd: Add range test simplifications to true/false.
8132
8133 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
8134
8135         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
8136         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
8137         instead.
8138
8139 2016-02-02  Richard Biener  <rguenther@suse.de>
8140
8141         PR tree-optimization/69606
8142         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
8143         info on the result before moving a stmt.
8144
8145 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
8146
8147         PR middle-end/68542
8148         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
8149         branch with vector comparison.
8150         * config/i386/sse.md (VI48_AVX): New mode iterator.
8151         (define_expand "cbranch<mode>4): Add support for conditional branch
8152         with vector comparison.
8153         * tree-vect-loop.c (optimize_mask_stores): New function.
8154         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
8155         has_mask_store field of vect_info.
8156         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
8157         vectorized loops having masked stores after vec_info destroy.
8158         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
8159         correspondent macros.
8160         (optimize_mask_stores): Add prototype.
8161
8162 2016-02-02  Alan Modra  <amodra@gmail.com>
8163
8164         PR target/69548
8165         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
8166         allow subregs.
8167
8168 2016-02-02  Alan Modra  <amodra@gmail.com>
8169
8170         PR target/68662
8171         * config/rs6000/rs6000.c (need_toc_init): New var, set it
8172         whenever toc_label_name used.
8173         (rs6000_file_start): Don't set up toc section here,
8174         (rs6000_output_function_epilogue): do so here instead,
8175         (rs6000_xcoff_file_start): and here.
8176         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
8177         (load_toc_aix_di): Likewise.
8178
8179 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
8180
8181         PR rtl-optimization/69592
8182         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
8183         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
8184         (num_sign_bit_copies_binary_arith_p): New inline function.
8185         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
8186
8187 2016-02-01  Jeff Law  <law@redhat.com>
8188
8189         PR tree-optimization/69580
8190         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
8191         * tree-ssa-threadbackward.c
8192         (fsm_find_control_statement_thread_paths): Do not try to walk
8193         through large PHI nodes.
8194
8195 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
8196
8197         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
8198         when count is incremented above limit, don't analyze further
8199         insns afterwards.
8200
8201         * omp-low.c (oacc_parse_default_dims): Avoid
8202         -Wsign-compare warning, make sure value fits into int
8203         rather than just unsigned int.
8204
8205 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
8206
8207         PR tree-optimization/67921
8208         * fold-const.c (split_tree): New parameters.  Convert pointer
8209         type variable part to proper type before negating.
8210         (fold_binary_loc): Pass new arguments to split_tree.
8211
8212 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
8213
8214         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
8215         (nvptx_goacc_validate_dims): Extend to handle global defaults.
8216         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
8217         * doc/tm.texti: Rebuilt.
8218         * doc/invoke.texi (fopenacc-dim): Document.
8219         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
8220         (append_compiler_options): Likewise.
8221         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
8222         (oacc_parse_default_dims): New.
8223         (oacc_validate_dims): Add USED arg.  Select non-unity default when
8224         possible.
8225         (oacc_loop_fixed_partitions): Return mask of used partitions.
8226         (oacc_loop_auto_partitions): Emit dump info.
8227         (oacc_loop_partition): Return mask of used partitions.
8228         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
8229         loop partitioning and validation calls.
8230
8231 2016-02-01  Richard Biener  <rguenther@suse.de>
8232
8233         PR middle-end/69556
8234         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
8235
8236 2016-02-01  Richard Biener  <rguenther@suse.de>
8237
8238         PR tree-optimization/69574
8239         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
8240         of asserting return chrec_dont_know.
8241
8242 2016-02-01  Martin Liska  <mliska@suse.cz>
8243
8244         * mem-stats-traits.h: Add copyright header.
8245         * mem-stats.h: Likewise.
8246
8247 2016-02-01  Richard Biener  <rguenther@suse.de>
8248
8249         PR tree-optimization/69579
8250         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
8251         Do not propagate through abnormal PHI results.
8252
8253 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
8254
8255         * postreload.c (reload_cse_simplify): Remove dead code.
8256
8257 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
8258
8259         PR rtl-optimization/69570
8260         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
8261         if there is more than one set, not if there is a single set.
8262
8263 2016-02-01  Richard Henderson  <rth@redhat.com>
8264
8265         PR rtl-opt/69535
8266         * combine.c (make_compound_operation): When looking through a
8267         subreg, make sure to re-extend to the width of the outer mode.
8268
8269 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
8270
8271         PR tree-optimization/69546
8272         * wide-int.cc (wi::divmod_internal): For unsigned division
8273         where both operands fit into uhwi, if o1 is 1 and o0 has
8274         msb set, if divident_prec is larger than bits per hwi,
8275         clear another quotient word and return 2 instead of 1.
8276         Similarly for remainder with msb in HWI set, if dividend_prec
8277         is larger than bits per hwi.
8278
8279 2016-01-29  Martin Jambor  <mjambor@suse.cz>
8280
8281         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
8282         Use short lowercase names.
8283         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
8284         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
8285         acq_rel one.  Protect warning agains segfaults if
8286         get_memory_order_name returns NULL.
8287         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
8288         with release semantics.  Do not warn if get_memory_order already did.
8289         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
8290         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
8291         if get_memory_order already did.
8292
8293 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
8294
8295         * doc/install.texi: Document that isl-0.16 is supported.
8296
8297 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
8298
8299         PR target/69299
8300         * config/i386/constraints.md (Bm): Describe as special memory
8301         constraint.
8302         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
8303         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8304         * genpreds.c (struct constraint_data): Add is_special_memory.
8305         (have_special_memory_constraints, special_memory_start): New
8306         static vars.
8307         (special_memory_end): Ditto.
8308         (add_constraint): Add new arg is_special_memory.  Add code to
8309         process its true value.  Update have_special_memory_constraints.
8310         (process_define_constraint): Pass the new arg.
8311         (process_define_register_constraint): Ditto.
8312         (choose_enum_order): Process special memory.
8313         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
8314         function insn_extra_special_memory_constraint.
8315         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8316         * gensupport.c (process_rtx): Process
8317         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
8318         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
8319         * ira-lives.c (single_reg_class): Use
8320         insn_extra_special_memory_constraint.
8321         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
8322         * lra-constraints.c (process_alt_operands): Ditto.
8323         (curr_insn_transform): Use insn_extra_special_memory_constraint.
8324         * recog.c (asm_operand_ok, preprocess_constraints): Process
8325         CT_SPECIAL_MEMORY.
8326         * reload.c (find_reloads): Ditto.
8327         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
8328         * stmt.c (parse_input_constraint): Use
8329         insn_extra_special_memory_constraint.
8330
8331 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
8332
8333         PR target/69530
8334         * lra-splill.c (lra_final_code_change): Revert r229087 by
8335         removing all sub-registers.
8336
8337 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
8338
8339         PR target/65604
8340         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
8341
8342 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
8343
8344         PR target/69551
8345         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
8346         SSE1, copy target into the temporary reg first before recursing
8347         on it.
8348
8349 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
8350
8351         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
8352         with vm.
8353
8354 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
8355
8356         * ginclude/stdarg.h: Test __cplusplus instead of
8357         __GXX_EXPERIMENTAL_CXX0X__.
8358
8359 2016-01-29  Richard Biener  <rguenther@suse.de>
8360
8361         PR tree-optimization/69547
8362         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
8363         Do not mark clobbers necessary.
8364         (mark_all_reaching_defs_necessary_1): Likewise.
8365
8366 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8367
8368         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
8369         declaration name with %qs and print it in both error messages.
8370         Also fix indentation.
8371
8372 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8373
8374         PR other/69006
8375         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
8376         trailing blank line from error message.
8377
8378 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
8379
8380         PR c++/69462
8381         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
8382         for C++-11.
8383
8384 2016-01-29  Richard Biener  <rguenther@suse.de>
8385
8386         PR middle-end/69537
8387         * match.pd: Allow all integral types when simplifying a
8388         widening or sign-changing conversion.
8389
8390 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
8391
8392         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
8393         back to setting codegen_error to fail codegen.
8394
8395 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
8396
8397         PR target/69459
8398         * config/i386/constraints.md (C): Only accept constant zero operand.
8399         (BC): New constraint.
8400         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
8401         instead of C constraint.
8402         * doc/md.texi (Machine Constraints): Update description
8403         of C constraint.
8404
8405 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
8406
8407         PR target/68400
8408         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
8409
8410 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
8411
8412         PR middle-end/69542
8413         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
8414         non-debug insns.
8415
8416 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
8417
8418         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
8419         branches if using guessed profile.
8420
8421 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
8422
8423         * graphite-optimize-isl.c (optimize_isl): Fix dump.
8424
8425 2016-01-28  Richard Henderson  <rth@redhat.com>
8426
8427         PR target/69305
8428         * config/aarch64/aarch64-modes.def (CC_Cmode): New
8429         * config/aarch64/aarch64-protos.h: Update.
8430         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
8431         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
8432         (aarch64_get_condition_code_1): Handle CC_Cmode.
8433         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
8434         (*add<mode>3_compareC_cconly_imm): New.
8435         (*add<mode>3_compareC_cconly): New.
8436         (*add<mode>3_compareC_imm): New.
8437         (add<mode>3_compareC): New.
8438         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
8439         to be first.  Use aarch64_carry_operation.
8440         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
8441         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
8442         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
8443         (subti3): Use subdi3_compare1.
8444         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
8445         (sub<mode>3_compare1): New.
8446         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
8447         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
8448         (*subsi3_carryin_uxtw): Likewise.
8449         (*ngc<mode>, *ngcsi_uxtw): Likewise.
8450         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
8451         * config/aarch64/iterators.md (DWI): New.
8452         * config/aarch64/predicates.md (aarch64_carry_operation): New.
8453         (aarch64_borrow_operation): New.
8454
8455 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
8456
8457         * graphite-optimize-isl.c (optimize_isl): Print a different debug
8458         message when isl does not return a valid schedule.
8459
8460 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
8461
8462         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
8463         Remove comments from class declarations: they are already in the code
8464         close by the defs.
8465
8466 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
8467
8468         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
8469         codegen_error_p.
8470         (ternary_op_to_tree): Same.
8471         (unary_op_to_tree): Same.
8472         (nary_op_to_tree): Same.
8473         (gcc_expression_from_isl_expr_op): Same.
8474         (gcc_expression_from_isl_expression): Same.
8475         (graphite_create_new_loop): Same.
8476         (graphite_create_new_loop_guard): Same.
8477         (build_iv_mapping): Same.
8478         (graphite_create_new_guard): Same.
8479         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
8480         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
8481
8482 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
8483
8484         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
8485         instead of setting codegen_error to fail codegen.
8486
8487 2016-01-28  Jason Merrill  <jason@redhat.com>
8488
8489         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
8490
8491 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
8492
8493         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8494         Remove CONST_INT_P check in CCMP cost calculation.
8495
8496 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
8497
8498         * config/aarch64/aarch64.c (generic_vector_cost):
8499         Set vec_permute_cost.
8500         (cortexa57_vector_cost): Likewise.
8501         (exynosm1_vector_cost): Likewise.
8502         (xgene1_vector_cost): Likewise.
8503         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
8504         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
8505         Add vec_permute_cost entry.
8506
8507 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
8508
8509         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
8510         immediate as %1.
8511         (add<mode>3_compare0): Likewise.
8512         (addsi3_compare0_uxtw): Likewise.
8513         (add<mode>3nr_compare0): Likewise.
8514         (compare_neg<mode>): Likewise.
8515         (<optab><mode>3): Likewise.
8516
8517 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
8518
8519         * tree-vect-stmts.c (vectorizable_comparison): Add
8520         NULL check for vectype.
8521
8522 2016-01-28  Richard Biener  <rguenther@suse.de>
8523
8524         PR tree-optimization/69466
8525         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
8526         Account for PHIs we couldn't duplicate.
8527
8528 2016-01-28  Martin Liska  <mliska@suse.cz>
8529
8530         PR pch/68758
8531         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
8532         instead of ENABLE_VALGRIND_CHECKING.
8533
8534 2016-01-27  Richard Henderson  <rth@redhat.com>
8535
8536         PR rtl-opt/69447
8537         * lra-remat.c (subreg_regs): New.
8538         (dump_candidates_and_remat_bb_data): Dump it.
8539         (operand_to_remat): Reject if operand in subreg_regs.
8540         (set_bb_regs): Collect subreg_regs.
8541         (lra_remat): Init and free subreg_regs.  Compute
8542         calculate_local_reg_remat_bb_data before create_cands.
8543
8544 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
8545
8546         PR target/68986
8547         * config/i386/i386.c (ix86_update_stack_boundary): Don't
8548         change stack_alignment_needed for __tls_get_addr call.
8549
8550 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
8551
8552         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
8553
8554 2016-01-27  Jeff Law  <law@redhat.com>
8555
8556         PR tree-optimization/68398
8557         PR tree-optimization/69196
8558         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
8559         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
8560         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8561         Only count PHIs in the last block in the path.  The others will
8562         const/copy propagate away.  Add heuristic to allow more irreducible
8563         subloops to be created when it is likely profitable to do so.
8564
8565         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8566         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
8567         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
8568
8569 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
8570
8571         PR lto/69254
8572         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
8573         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
8574         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
8575         * tree-streamer-in.c: Include asan.h.
8576         (streamer_get_builtin_tree): For builtins in sanitizer
8577         range call initialize_sanitizer_builtins and retry.
8578
8579 2016-01-27  Ian Lance Taylor  <iant@google.com>
8580
8581         * common.opt (fkeep-gc-roots-live): New undocumented option.
8582         * tree-ssa-loop-ivopts.c (add_candidate_1): If
8583         -fkeep-gc-roots-live, skip pointers.
8584         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
8585         NULL.
8586
8587 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
8588
8589         PR target/69512
8590         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
8591         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
8592
8593 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
8594
8595         PR target/68380
8596         * configure.ac: NetBSD provides SSP in its C library.
8597         * configure: Updated.
8598
8599 2016-01-27  Richard Biener  <rguenther@suse.de>
8600
8601         PR tree-optimization/69166
8602         * tree-vect-loop.c (vect_is_simple_reduction): Always check
8603         reduction code for commutativity / associativity.
8604
8605 2016-01-27  Martin Jambor  <mjambor@suse.cz>
8606
8607         PR tree-optimization/69355
8608         * tree-sra.c (analyze_access_subtree): Correct hole detection when
8609         total_scalarization fails.
8610
8611 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
8612
8613         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
8614         power9.
8615
8616 2016-01-27  Christian Bruel  <christian.bruel@st.com>
8617
8618         PR target/69245
8619         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
8620         Move arm_reset_previous_fndecl and set_target_option_current_node in
8621         the conditional part.  Call save_restore_target_globals.
8622         * config/arm/arm.c (arm_set_current_function):
8623         Refactor to better support #pragma target and attribute mix.
8624         Call save_restore_target_globals.
8625         * config/arm/arm-protos.h (save_restore_target_globals): New function.
8626
8627 2016-01-27  Martin Liska  <mliska@suse.cz>
8628
8629         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
8630         reference for an HSA kernel and its host function.
8631
8632 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
8633
8634         PR tree-optimization/69399
8635         * wide-int.h (wi::lrshift): For larger precisions, only
8636         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
8637
8638 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
8639
8640         * config/arc/predicates.md (proper_comparison_operator): Reject
8641         constant-constant comparison.
8642
8643 2016-01-26  Tom de Vries  <tom@codesourcery.com>
8644
8645         PR tree-optimization/69110
8646         * tree-data-ref.c (initialize_data_dependence_relation): Handle
8647         DR_NUM_DIMENSIONS == 0.
8648
8649 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
8650             Sebastian Pop  <s.pop@samsung.com>
8651
8652         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
8653         isl_ast_op_cond and isl_ast_op_select.
8654         (gcc_expression_from_isl_expr_op): Same.
8655
8656 2016-01-26  Jason Merrill  <jason@redhat.com>
8657
8658         PR c++/68782
8659         * tree.c (recompute_constructor_flags): Split out from
8660         build_constructor.
8661         (verify_constructor_flags): New.
8662         * tree.h: Declare them.
8663
8664 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
8665
8666         PR rtl-optimization/69217
8667         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
8668         are no TYPE_FIELDS set for the record type.
8669
8670 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
8671
8672         PR target/68662
8673         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
8674         toc_label_name unconditionally.
8675         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
8676         SYMBOL_REF string.  Use toc_label_name instead of constructing
8677         LCTOC1.
8678         (rs6000_elf_declare_function_name): Use toc_label_name instead of
8679         constructing LCTOC1.
8680
8681 2016-01-26  Martin Sebor  <msebor@redhat.com>
8682
8683         PR other/69477
8684         * doc/extend.texi (Common Type Attributes): Move text that talks about
8685         attribute packed from attribute aligned to the section discussing
8686         the former attribute for clarity.
8687
8688 2016-01-26  Richard Henderson  <rth@redhat.com>
8689
8690         PR middle-end/60908
8691         * trans-mem.c (tm_region_init): Mark entry block as visited.
8692
8693 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
8694
8695         PR other/69006
8696         * diagnostic-show-locus.c (layout::print_source_line): Replace
8697         call to pp_newline with call to layout::print_newline.
8698         (layout::print_annotation_line): Likewise.
8699         (layout::move_to_column): Likewise.
8700         (layout::print_any_fixits): After printing any fixits, print a
8701         trailing newline, if necessary.
8702         (layout::print_newline): New method, resetting any colorization
8703         before a newline.
8704         (diagnostic_show_locus): Move the pp_newline to before the
8705         early bailout.  Remove dummy block enclosing the layout instance.
8706         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
8707         of pp_newline_and_flush with pp_flush.
8708         (diagnostic_append_note): Delete use of pp_newline.
8709         (diagnostic_append_note_at_rich_loc): Delete.
8710         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
8711         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
8712         when newline characters are added to the buffer.
8713
8714 2016-01-26  Michael Matz  <matz@suse.de>
8715
8716         * configure.ac (ac_cv_std_swap_in_utility): New test.
8717         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
8718         * configure: Regenerate.
8719         * config.in: Regenerate.
8720
8721 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
8722
8723         * config/arc/arc.md (cstoresi4): Force operand into register.
8724         (arcset<code>): Fix predicate.
8725         (arcsetltu): Likewise.
8726         (arcsetgeu): Likewise.
8727         (arcsethi): Likewise.
8728         (arcsetls): Likewise.
8729
8730 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
8731
8732         PR tree-optimization/69483
8733         * gimple-fold.c (canonicalize_constructor_val): Return NULL
8734         if base has error_mark_node type.
8735
8736 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
8737
8738         PR target/68620
8739         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
8740         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
8741         New helper macros.
8742         (vget_lane_f16): Handle big-endian.
8743         (vgetq_lane_f16): Likewise.
8744         (vset_lane_f16): Likewise.
8745         (vsetq_lane_f16): Likewise.
8746         * config/arm/iterators.md (VQXMOV): Add V8HF.
8747         (VDQ): Add V4HF and V8HF.
8748         (V_reg): Handle V4HF and V8HF.
8749         (Is_float_mode): Likewise.
8750         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
8751         neon_vdup_nv8hf): New patterns.
8752         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
8753         Use VD_LANE iterator.
8754         (neon_vld1_dup<mode>): Use VQ2 iterator.
8755
8756 2016-01-26  Nathan Sidwell  <nathan@acm.org>
8757
8758         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
8759         (set_oacc_fn_attrib): Add IS_KERNEL arg.
8760         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
8761         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
8762         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
8763         (oacc_validate_dims): Add LEVEL arg, don't return level.
8764         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
8765         oacc_validate_dims.
8766         (execute_oacc_device_lower): Adjust, add more dump output.
8767         * tree-ssa-loop.c (gate_oacc_kernels): Use
8768         oacc_fn_attrib_kernels_p.
8769         * tree-parloops.c (create_parallel_loop): Adjust
8770         set_oacc_fn_attrib call.
8771
8772 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
8773
8774         PR lto/69254
8775         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
8776         (append_compiler_options): Handle -fcilkplus.
8777         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
8778
8779 2016-01-26  Nick Clifton  <nickc@redhat.com>
8780
8781         PR target/66655
8782         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
8783         been marked as DECL_ONE_ONLY but we do not the means to make it
8784         so, then do not allow it to bind locally.
8785
8786 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
8787
8788         PR lto/69254
8789         * opts.h (parse_sanitizer_options): New prototype.
8790         * opts.c (sanitizer_opts): New array.
8791         (parse_sanitizer_options): New function.
8792         (common_handle_option): Use parse_sanitizer_options.
8793
8794 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
8795
8796         PR target/68986
8797         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
8798         alignment adjustment to ...
8799         (ix86_update_stack_boundary): Here.  Don't over-align stack for
8800         __tls_get_addr.
8801         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
8802         if __tls_get_addr is called.
8803
8804 2016-01-26  Christian Bruel  <christian.bruel@st.com>
8805
8806         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
8807
8808 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
8809
8810         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
8811
8812 2016-01-26  Richard Biener  <rguenther@suse.de>
8813
8814         PR middle-end/69467
8815         * match.pd: Guard X * CST CMP 0 pattern with single_use.
8816
8817 2016-01-26  Richard Biener  <rguenther@suse.de>
8818
8819         PR tree-optimization/69452
8820         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
8821         (move_computations_dom_walker::before_dom_children): Rename
8822         to ...
8823         (move_computations_worker): This.
8824         (move_computations): Perform an RPO rather than a DOM walk.
8825
8826 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
8827
8828         PR target/69442
8829         * combine.c (combine_instructions): For REG_EQUAL note with
8830         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
8831         to the underlying register.
8832         * doc/rtl.texi (REG_EQUAL): Document the behavior of
8833         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
8834
8835 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
8836
8837         PR target/67896
8838         * config/aarch64/aarch64-builtins.c
8839         (aarch64_init_simd_builtin_types): Do not set structural
8840         equality to __Poly{8,16,64,128}_t types.
8841
8842 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
8843
8844         PR tree-optimization/69400
8845         * wide-int.cc (wi_pack): Take the precision as argument and
8846         perform canonicalization here rather than in the callers.
8847         Use the main loop to handle all full-width HWIs.  Add a
8848         zero HWI if in_len isn't a full result.
8849         (wi::divmod_internal): Update accordingly.
8850         (wi::mul_internal): Likewise.  Simplify.
8851
8852 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
8853             Sebastian Pop  <s.pop@samsung.com>
8854
8855         * graphite-poly.c (apply_poly_transforms): Simplify.
8856         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
8857         (print_isl_map): Same.
8858         (print_isl_union_map): Same.
8859         (print_isl_schedule): New.
8860         (debug_isl_schedule): New.
8861         * graphite-dependences.c (scop_get_reads): Do not call
8862         isl_union_map_add_map that is undocumented isl functionality.
8863         (scop_get_must_writes): Same.
8864         (scop_get_may_writes): Same.
8865         (scop_get_original_schedule): Remove.
8866         (scop_get_dependences): Do not call isl_union_map_compute_flow that
8867         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
8868         (compute_deps): Remove.
8869         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
8870         (debug_schedule_ast): New.
8871         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
8872         set_separate_option.
8873         (graphite_regenerate_ast_isl): Add dump.
8874         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
8875         from scop->transformed_schedule.
8876         (graphite_regenerate_ast_isl): Add more dump.
8877         * graphite-optimize-isl.c (optimize_isl): Set
8878         scop->transformed_schedule.  Check whether schedules are equal.
8879         (apply_poly_transforms): Move here.
8880         * graphite-poly.c (apply_poly_transforms): ... from here.
8881         (free_poly_bb): Static.
8882         (free_scop): Static.
8883         (pbb_number_of_iterations_at_time): Remove.
8884         (print_isl_ast): New.
8885         (debug_isl_ast): New.
8886         (debug_scop_pbb): New.
8887         * graphite-scop-detection.c (print_edge): Move.
8888         (print_sese): Move.
8889         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
8890         (build_scop_scattering): Remove.
8891         (create_pw_aff_from_tree): Assert instead of bailing out.
8892         (add_condition_to_pbb): Remove unused code, do not fail.
8893         (add_conditions_to_domain): Same.
8894         (add_conditions_to_constraints): Remove.
8895         (build_scop_context): New.
8896         (add_iter_domain_dimension): New.
8897         (build_iteration_domains): Initialize pbb->iterators.
8898         Call add_conditions_to_domain.
8899         (nested_in): New.
8900         (loop_at): New.
8901         (index_outermost_in_loop): New.
8902         (index_pbb_in_loop): New.
8903         (outermost_pbb_in): New.
8904         (add_in_sequence): New.
8905         (add_outer_projection): New.
8906         (outer_projection_mupa): New.
8907         (add_loop_schedule): New.
8908         (build_schedule_pbb): New.
8909         (build_schedule_loop): New.
8910         (embed_in_surrounding_loops): New.
8911         (build_schedule_loop_nest): New.
8912         (build_original_schedule): New.
8913         (build_poly_scop): Call build_original_schedule.
8914         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
8915         (free_poly_dr): Remove.
8916         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
8917         (free_poly_bb): Remove.
8918         (debug_loop_vec): Remove.
8919         (print_isl_ast): Declare.
8920         (debug_isl_ast): Declare.
8921         (scop_do_interchange): Remove.
8922         (scop_do_strip_mine): Remove.
8923         (scop_do_block): Remove.
8924         (flatten_all_loops): Remove.
8925         (optimize_isl): Remove.
8926         (pbb_number_of_iterations_at_time): Remove.
8927         (debug_scop_pbb): Declare.
8928         (print_schedule_ast): Declare.
8929         (debug_schedule_ast): Declare.
8930         (struct scop): Remove schedule.  Add original_schedule,
8931         transformed_schedule.
8932         (free_gimple_poly_bb): Remove.
8933         (print_generated_program): Remove.
8934         (debug_generated_program): Remove.
8935         (unify_scattering_dimensions): Remove.
8936         * sese.c (print_edge): ... here.
8937         (print_sese): ... here.
8938         (debug_edge): ... here.
8939         (debug_sese): ... here.
8940         * sese.h (print_edge): Declare.
8941         (print_sese): Declare.
8942         (dump_edge): Declare.
8943         (dump_sese): Declare.
8944
8945 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
8946             Sebastian Pop  <s.pop@samsung.com>
8947
8948         * Makefile.in: Set ISLVER in site.exp.
8949
8950 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
8951
8952         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
8953         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
8954         through DECL_VALUE_EXPR for expansion.
8955
8956 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
8957
8958         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
8959         the frame info after reload completed.
8960
8961 2016-01-25  Jeff Law  <law@redhat.com>
8962
8963         PR tree-optimization/69196
8964         PR tree-optimization/68398
8965         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
8966         tree-ssa-threadupdate.c.
8967         (determine_bb_domination_status): Prototype
8968         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
8969         (determine_bb_domination_status): No longer static.
8970         (valid_jump_thread_path): Remove code to detect characteristics
8971         of the jump thread path not associated with correctness.
8972         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
8973         Correct test for thread path length.  Count PHIs for real operands as
8974         statements that need to be copied.  Do not count ASSERT_EXPRs.
8975         Look at all the blocks in the thread path.  Compute and selectively
8976         filter thread paths based on threading through the latch, threading
8977         a multiway branch or crossing a multiway branch.
8978
8979 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8980
8981         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
8982         decl with __attribute__ ((unused)) annotation.
8983
8984 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
8985
8986         PR target/69421
8987         * tree-vect-stmts.c (vectorizable_condition): Check vectype
8988         of operands is compatible with a statement vectype.
8989
8990 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
8991
8992         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
8993         improve wording for mixed storage order support.
8994
8995 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
8996
8997         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
8998         (vcvt_u64_f64): Likewise.
8999         (vcvta_s64_f64): Likewise.
9000         (vcvta_u64_f64): Likewise.
9001         (vcvtm_s64_f64): Likewise.
9002         (vcvtm_u64_f64): Likewise.
9003         (vcvtn_s64_f64): Likewise.
9004         (vcvtn_u64_f64): Likewise.
9005         (vcvtp_s64_f64): Likewise.
9006         (vcvtp_u64_f64): Likewise.
9007
9008 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
9009
9010         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
9011         (arc_init): Check validity mll64 option.
9012         (arc_save_restore): Use double load/store instruction.
9013         (arc_expand_movmem): Likewise.
9014         (arc_split_move): Don't split if we have double load/store
9015         instructions. Returns a boolean.
9016         (arc_process_double_reg_moves): Change function to return boolean
9017         instead of a sequence of instructions.
9018         (arc_dwarf_register_span): New function.
9019         * config/arc/arc-protos.h (arc_split_move): Change prototype.
9020         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
9021         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
9022         (*movdf_insn): Likewise.
9023         * config/arc/arc.opt (mll64): New option.
9024         * config/arc/predicates.md (even_register_operand): New predicate.
9025         * doc/invoke.texi (ARC Options): Add mll64 documentation.
9026
9027 2016-01-25  Richard Biener  <rguenther@suse.de>
9028
9029         PR lto/69393
9030         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
9031         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
9032         DECL_NAMELESS.
9033         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
9034
9035 2016-01-25  Richard Biener  <rguenther@suse.de>
9036
9037         PR tree-optimization/69376
9038         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
9039         flag.
9040         (VN_INFO_ANTI_RANGE_P): New inline.
9041         (VN_INFO_RANGE_TYPE): Likewise.
9042         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
9043         SSA_NAME_ANTI_RANGE_P.
9044         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
9045         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
9046         Properly query VN_INFO_RANGE_TYPE.
9047
9048 2016-01-25  Nick Clifton  <nickc@redhat.com>
9049
9050         PR target/66655
9051         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
9052
9053 2016-01-23  Tom de Vries  <tom@codesourcery.com>
9054
9055         PR tree-optimization/69426
9056         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
9057         removed clobber.
9058
9059 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
9060
9061         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
9062         "the the" with "the" in the comments.
9063         * ipa-devirt.c (build_type_inheritance_graph,
9064         update_type_inheritance_graph): Likewise.
9065         * tree.c (build_function_type_list_1): Likewise.
9066         * cfgloopmanip.c (scale_loop_profile): Likewise.
9067         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
9068         * gimple-ssa-split-paths.c
9069         (find_block_to_duplicate_for_splitting_paths): Likewise.
9070         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
9071         * expr.c (convert_move): Likewise.
9072         * var-tracking.c (vt_stack_adjustments): Likewise.
9073         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
9074         * tree-vrp.c (test_for_singularity): Likewise.
9075
9076         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
9077         directly instead of building a temporary tree.
9078
9079         PR bootstrap/69434
9080         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
9081         remove <algorithm> include.
9082
9083 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
9084
9085         PR target/69432
9086         * config/i386/i386.c: Include dojump.h.
9087         (expand_small_movmem_or_setmem,
9088         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
9089         fixes.
9090         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
9091         if dynamic_check != -1.
9092
9093 2016-01-21  Jeff Law  <law@redhat.com>
9094
9095         PR middle-end/69347
9096         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
9097         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
9098         into dominated_by_p.
9099         (cprop_into_successor_phis): Avoid unnecessary tests.
9100
9101 2016-01-22  Richard Henderson  <rth@redhat.com>
9102
9103         PR target/69416
9104         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
9105         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
9106
9107 2016-01-22  Michael Matz  <matz@suse.de>
9108
9109         * system.h (string, algorithm): Include only conditionally.
9110         (new): Include always under C++.
9111         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
9112         * final.c (toplevel): Ditto.
9113         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
9114         * genconditions.c (write_header): Make gencondmd.c define
9115         INCLUDE_STRING.
9116         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
9117
9118         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
9119         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
9120
9121 2016-01-22  Christian Bruel  <christian.bruel@st.com>
9122
9123         PR target/68674
9124         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
9125
9126 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9127
9128         PR target/69403
9129         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
9130         define_insn_and_split.  Ensure operands[1] and operands[0] do not
9131         get assigned the same register.
9132
9133 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
9134
9135         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
9136
9137 2016-01-22  Christian Bruel  <christian.bruel@st.com>
9138
9139         * config/arm/arm-c.c (arm_pragma_target_parse):
9140         Remove warn_builtin_macro_redefined overwrite.
9141
9142 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9143
9144         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
9145         flag_non_call_exceptions compatibility.
9146
9147 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
9148
9149         PR debug/66668
9150         * dwarf2out.c (add_child_die_after): New function.
9151         (dwarf_qual_info_t): New type.
9152         (dwarf_qual_info): New variable.
9153         (qualified_die_p): New function.
9154         (modified_type_die): For -fdebug-types-section, ensure
9155         canonical order of qualifiers.  Put qualified DIEs adjacent
9156         to the corresponding non-qualified type DIE and search there
9157         for existing qualified DIEs.
9158
9159 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9160
9161         * doc/extend.texi (scalar_storage_order type attribute): Document
9162         restriction on type punning and aliasing, and remove future tense.
9163
9164 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
9165
9166         PR target/69252
9167         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
9168         first stage.
9169
9170 2016-01-21  Jeff Law  <law@redhat.com>
9171
9172         PR middle-end/69347
9173         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
9174         useless call to record_temporary_equivalences.
9175         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
9176         allocate 10 slots in the bb_path vector and let it grow as needed.
9177         (fsm_find_control_statement_thread_paths): Similarly for the next_path
9178         vector.
9179
9180 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
9181
9182         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
9183         Detangle.
9184         * configure: Regenerate.
9185
9186 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
9187
9188         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
9189         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
9190
9191 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
9192
9193         PR middle-end/66178
9194         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
9195         drop EXPAND_INITIALIZER.
9196         * rtl.h (contains_symbolic_reference_p): Declare.
9197         * rtlanal.c (contains_symbolic_reference_p): New function.
9198         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
9199         a subtraction into a NOT if symbolic constants are involved.
9200
9201 2016-01-21  Anton Blanchard  <anton@samba.org>
9202             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9203
9204         PR target/63354
9205         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
9206         #define.
9207         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
9208         function.
9209
9210 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
9211
9212         * config/microblaze/microblaze.c
9213         (get_branch_target): New.
9214         (insert_wic_for_ilb_runout): New.
9215         (insert_wic): New.
9216         (microblaze_machine_dependent_reorg): New.
9217         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
9218         * config/microblaze/microblaze.md
9219         (UNSPEC_IPREFETCH): Define.
9220         (iprefetch): New pattern
9221         * config/microblaze/microblaze.opt
9222         (mxl-prefetch): New flag.
9223
9224 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
9225
9226         * config/microblaze/microblaze.h
9227         (FIXED_REGISTERS): Update in macro.
9228         (CALL_USED_REGISTERS): Update in macro.
9229
9230 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
9231
9232         PR rtl-optimization/68920
9233         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
9234         moves.
9235
9236 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
9237
9238         PR rtl-optimization/68990
9239         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
9240         pseudo instead of inheritance ones.
9241
9242 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9243             Nick Clifton  <nickc@redhat.com>
9244
9245         PR target/69129
9246         PR target/69012
9247         * config/mips/mips.c (mips_compute_frame_info): Initialise
9248         args_size and hard_frame_pointer_offset fields of the frame
9249         structure before calling mips_global_pointer.
9250
9251 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
9252
9253         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
9254         label reference.
9255         * configure: Regenerate.
9256
9257 2016-01-21  Richard Biener  <rguenther@suse.de>
9258
9259         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
9260
9261 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
9262
9263         * config/s390/s390.c (s390_asm_declare_function_size): Add code
9264         to actually emit the .size directive.
9265
9266 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
9267              Jakub Jelinek  <jakub@redhat.com>
9268
9269         PR target/69187
9270         PR target/65624
9271         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
9272         args array size by one to avoid buffer overflow.
9273
9274 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
9275
9276         * config/s390/s390.md (pool_section_start): Use switch_to_section
9277         to select proper read-only data section instead of hardcoding
9278         .rodata.
9279         (pool_section_end): Use switch_to_section to match the above.
9280
9281 2016-01-21  Richard Biener  <rguenther@suse.de>
9282
9283         PR tree-optimization/69378
9284         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
9285         (set_ssa_val_to): Use it for dominance checks taking into
9286         account not executable edges.
9287
9288 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
9289
9290         PR c++/69355
9291         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
9292         for bitsize instead of GET_MODE_PRECISION (mode).
9293
9294 2016-01-20  Martin Sebor  <msebor@redhat.com>
9295
9296         PR c/52291
9297         * extend.texi (__sync Builtins): Clarify the semantics of
9298         __sync_fetch_and_OP built-ins on pointers.
9299         (__atomic Builtins): Same.
9300
9301 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9302             Sebastian Pop  <s.pop@samsung.com>
9303
9304         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
9305         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
9306         (is_valid_rename): Same.
9307         (translate_isl_ast_to_gimple::get_rename): Same.
9308         (translate_isl_ast_to_gimple::rename_all_uses): Same.
9309         (translate_isl_ast_to_gimple::rename_uses): Same.
9310         (get_new_name): Check for close_phi nodes.
9311         (copy_loop_phi_args): Use phi_node_kind.
9312         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
9313         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
9314
9315 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9316             Sebastian Pop  <s.pop@samsung.com>
9317
9318         Revert commit r229783.
9319         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
9320         Remove use of parameter_rename_map.
9321         (copy_def): Remove.
9322         (copy_internal_parameters): Remove.
9323         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
9324         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
9325         (free_sese_info): Do not free parameter_rename_map.
9326         (set_rename): Do not use parameter_rename_map.
9327         (rename_uses): Update call to set_rename.
9328         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
9329         * sese.h (parameter_rename_map_t): Remove.
9330         (struct sese_info_t): Remove field parameter_rename_map.
9331
9332 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9333             Sebastian Pop  <s.pop@samsung.com>
9334
9335         * graphite-isl-ast-to-gimple.c: Fix comment.
9336         * graphite-scop-detection.c (defined_in_loop_p): New.
9337         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
9338         names defined in loop.
9339
9340 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9341             Sebastian Pop  <s.pop@samsung.com>
9342
9343         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
9344         Discard unstructured if-then-else regions.
9345
9346 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9347             Sebastian Pop  <s.pop@samsung.com>
9348
9349         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
9350         (cleanup_loop_iter_dom): Remove.
9351         (build_loop_iteration_domains): Remove.
9352         (build_scop_context): Remove.
9353         (build_scop_iteration_domain): Remove.
9354         (add_loop_constraints): New.
9355         (build_iteration_domains): New.
9356         (build_poly_scop): Call build_iteration_domains.
9357
9358 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9359             Sebastian Pop  <s.pop@samsung.com>
9360
9361         * graphite-scop-detection.c
9362         (scop_detection::harmful_loop_in_region): Free dom and loops.
9363         (scop_detection::loop_body_is_valid_scop): Free bbs.
9364
9365 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9366             Sebastian Pop  <s.pop@samsung.com>
9367
9368         * graphite-scop-detection.c (record_loop_in_sese): New.
9369         (gather_bbs::before_dom_children): Call record_loop_in_sese.
9370         (build_scops): Remove call to build_sese_loop_nests.
9371         * sese.c (sese_record_loop): Remove.
9372         (build_sese_loop_nests): Remove.
9373         (new_sese_info): Remove region->loops.
9374         (free_sese_info): Same.
9375         * sese.h (sese_contains_loop): Same.
9376         (build_sese_loop_nests): Remove.
9377         (sese_contains_loop): Remove.
9378
9379 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9380             Sebastian Pop  <s.pop@samsung.com>
9381
9382         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
9383         loop_is_valid_in_scop.
9384         (scop_detection::harmful_stmt_in_region): Renamed
9385         harmful_loop_in_region.
9386         Call loop_is_valid_in_scop.
9387
9388 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9389             Sebastian Pop  <s.pop@samsung.com>
9390
9391         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
9392         isl_ast_node_mark.
9393
9394 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9395             Sebastian Pop  <s.pop@samsung.com>
9396
9397         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
9398         * graphite.h (struct poly_bb): Remove field is_reduction.
9399         (PBB_IS_REDUCTION): Remove.
9400
9401 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
9402             Sebastian Pop  <s.pop@samsung.com>
9403
9404         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
9405         (add_pdr_constraints): Same.
9406         (scop_get_reads): Same.
9407         (scop_get_must_writes): Same.
9408         (scop_get_may_writes): Same.
9409         (scop_get_original_schedule): Same.
9410         (extend_schedule): Same.
9411         (apply_schedule_on_deps): Same.
9412         (carries_deps): Same.
9413         (compute_deps): Same.
9414         (scop_get_dependences): Same.
9415         * graphite-isl-ast-to-gimple.c
9416         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
9417         * graphite-optimize-isl.c (get_schedule_for_band): Same.
9418         (get_schedule_for_band_list): Same.
9419         (get_schedule_map): Same.
9420         (apply_schedule_map_to_scop): Same.
9421         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
9422         (build_loop_iteration_domains): Same.
9423         (add_condition_to_pbb): Same.
9424         (add_param_constraints): Same.
9425         (pdr_add_memory_accesses): Same.
9426         (pdr_add_data_dimensions): Same.
9427
9428 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
9429
9430         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
9431         requirements.
9432
9433 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
9434
9435         * common.opt (feliminate-dwarf2-dups): Replace references to
9436         "DWARF 2" with just "DWARF".
9437         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
9438         * doc/extend.texi: Likewise.
9439         * doc/cpp.texi: Likewise.
9440         * doc/invoke.texi: Likewise.
9441         (Option Summary): Add -gdwarf to list of Debugging Options.
9442         (Debugging Options): Document -gdwarf.
9443         * doc/contrib.texi: Spell "DWARF" like that.
9444
9445 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
9446
9447         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
9448         warning.  Fix up formatting.
9449
9450         PR middle-end/67653
9451         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
9452         attempt to mark memory input operand addressable and
9453         call prepare_gimple_addressable in that case.  Don't adjust
9454         input_location for diagnostics, use error_at instead.
9455
9456 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
9457
9458         * config/rs6000/ppc-auxv.h: New file.
9459         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
9460         (cpu_is): Likewise.
9461         (cpu_supports): Likewise.
9462         * config/rs6000/rs6000.c: include "ppc-auxv.h".
9463         (cpu_is_info): New variable.
9464         (cpu_supports_info): Likewise.
9465         (tcb_verification_symbol): Likewise.
9466         (cpu_builtin_p): Likewise.
9467         (cpu_expand_builtin): New function.
9468         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
9469         (rs6000_init_builtins): Likewise.
9470         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
9471         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
9472         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
9473         * configure: Regenerate.
9474         * config.in: Likewise.
9475         * doc/extend.texi (PowerPC Built-in Functions): Document
9476         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
9477
9478 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
9479
9480         PR target/68609
9481         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
9482         domain check.
9483         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
9484         for V4SFmode.
9485
9486 2016-01-20  Richard Henderson  <rth@redhat.com>
9487
9488         PR bootstrap/69343
9489         PR bootstrap/69339
9490         PR tree-opt/68964
9491         Revert:
9492         * tree.c (tm_define_builtin): New.
9493         (find_tm_vector_type): New.
9494         (build_tm_vector_builtins): New.
9495         (build_common_builtin_nodes): Call it.
9496
9497 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
9498
9499         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
9500         (arm_fp_ok): Likewise.
9501         (arm_fp): Likewise.
9502         (arm_crypto): Likewise.
9503
9504 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
9505             Richard Biener  <rguenther@suse.de>
9506
9507         PR tree-optimization/69328
9508         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
9509         vectors have same number of elements.
9510         (vectorizable_condition): Fix masked version recognition.
9511
9512 2016-01-20  Richard Biener  <rguenther@suse.de>
9513
9514         PR tree-optimization/69345
9515         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
9516         (VN_INFO_PTR_INFO): Likewise.
9517         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
9518         info when it is equal between non-dominating SSA names.
9519         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
9520         Make sure to look at original SSA infos.
9521
9522 2016-01-20  Jeff Law  <law@redhat.com>
9523
9524         PR target/25114
9525         * config/m68k/predicates.md (pow2_m1_operand): New predicate
9526         extracted from ...
9527         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
9528         (pc_or_label_operand): New predicate.
9529         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
9530         tests for small integers that are 2^n - 1.
9531
9532 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
9533
9534         * doc/invoke.texi (Options Summary): Add '.' after @xref.
9535
9536 2016-01-19  Jeff Law  <law@redhat.com>
9537
9538         PR middle-end/69347
9539         * tree-ssa-threadbackwards.c
9540         (fsm_find_control_statement_thread_paths): Do not try to lookup
9541         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
9542
9543 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
9544
9545         * doc/lto.texi: Remove text that says only Gold has linker plugin
9546         support.
9547
9548 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
9549
9550         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
9551         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
9552         the DIE accordingly.
9553         (modified_type_die): Add REVERSE parameter and pass it recursively,
9554         as well as to base_type_die.  Adjust presence check accordingly.
9555         (base_type_for_mode): Adjust call to modified_type_die.
9556         (add_type_attribute): Add REVERSE parameter and pass it to
9557         modified_type_die.
9558         (generic_parameter_die): Adjust call to add_type_attribute.
9559         (add_scalar_info): Likewise.
9560         (add_subscript_info): Likewise.
9561         (gen_array_type_die): Likewise.
9562         (gen_descr_array_type_die): Likewise.
9563         (gen_entry_point_die): Likewise.
9564         (gen_enumeration_type_die): Likewise.
9565         (gen_formal_parameter_die): Likewise.
9566         (gen_subprogram_die): Likewise.
9567         (gen_variable_die ): Likewise.
9568         (gen_const_die): Likewise.
9569         (gen_field_die): Likewise.
9570         (gen_pointer_type_die): Likewise.
9571         (gen_reference_type_die): Likewise.
9572         (gen_ptr_to_mbr_type_die): Likewise.
9573         (gen_inheritance_die): Likewise.
9574         (gen_subroutine_type_die): Likewise.
9575         (gen_typedef_die): Likewise.
9576         (force_type_die): Adjust call to modified_type_die.
9577
9578 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9579
9580         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
9581         flow throughout the file.  Fix broken link to Objective-C 2.0
9582         documentation.
9583         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
9584         errors.
9585
9586 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
9587
9588         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
9589
9590 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
9591
9592         PR ipa/66223
9593         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
9594         (maybe_record_node): Record cxa_pure_virtual as the only possible
9595         target if there are not ohter candidates.
9596         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
9597
9598 2016-01-19  Richard Biener  <rguenther@suse.de>
9599
9600         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
9601         (get_memory_order): Likewise.
9602
9603 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
9604
9605         * tree-vect-stmts.c (vectorizable_store): Check
9606         rhs vectype.
9607
9608 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
9609
9610         PR jit/68446
9611         * gcc.c (driver::decode_argv): Add call to
9612         init_opts_obstack before init_options_struct.
9613         * opts.c (init_opts_obstack): Remove idempotency.
9614         (init_options_struct): Replace call to init_opts_obstack
9615         with a gcc_assert to verify that it has already been called.
9616         * toplev.c (toplev::main): Add call to init_opts_obstack before
9617         calls to init_options_struct.
9618         (toplev::finalize): Move cleanup of opts_obstack next to
9619         cleanup of save_decoded_options, clearing the latter, and
9620         save_decoded_options_count.
9621
9622 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9623
9624         PR target/69135
9625         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
9626         attribute to unconditional.  Remove %? from output template.
9627
9628 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
9629             Jiong Wang  <jiong.wang@arm.com>
9630
9631         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
9632         generated from different expand order.
9633
9634 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
9635
9636         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
9637         Add support for CCMP costing.
9638
9639 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
9640
9641         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
9642         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
9643         (fccmpe<mode>): Likewise.
9644         (fcmp): Rename to fcmp and globalize pattern.
9645         (fcmpe): Likewise.
9646         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
9647         (aarch64_gen_ccmp_next): Add FP support.
9648
9649 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
9650
9651         * target.def (gen_ccmp_first): Update documentation.
9652         (gen_ccmp_next): Likewise.
9653         * doc/tm.texi (gen_ccmp_first): Update documentation.
9654         (gen_ccmp_next): Likewise.
9655         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
9656         expand_ccmp_expr_1.  Improve comments.
9657         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
9658         (ccmp_ior<mode>): Remove pattern.
9659         (cmp<mode>): Remove expand.
9660         (cmp): Globalize pattern.
9661         (cstorecc4): Use cc_register.
9662         (mov<mode>cc): Remove ccmp_cc_register check.
9663         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
9664         Simplify after removal of CC_DNE/* modes.
9665         (aarch64_ccmp_mode_to_code): Remove.
9666         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
9667         In 'k' case use integer as condition.
9668         (aarch64_nzcv_codes): Remove inverted cases.
9669         (aarch64_code_to_ccmode): Remove.
9670         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
9671         comparison with CC register to be used in folowing CCMP/branch/CSEL.
9672         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
9673         pattern.  Return the comparison with CC register.  Invert conditions
9674         when bitcode is OR.
9675         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
9676         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
9677
9678 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
9679
9680         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
9681         instrumented_version.
9682
9683 2016-01-19  Richard Biener  <rguenther@suse.de>
9684
9685         PR tree-optimization/69336
9686         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
9687         handled components with get_ref_base_and_extent.
9688         (equal_mem_array_ref_p): Adjust.
9689
9690 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
9691
9692         PR debug/65779
9693         * shrink-wrap.c: Include valtrack.h.
9694         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
9695         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
9696         in between insn and where it will be moved to.  Call
9697         dead_debug_insert_temp.
9698         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
9699         first and dead_debug_local_finish at the end.
9700         For uses and defs bitmap, handle all regs in between REGNO and
9701         END_REGNO, not just the first one.
9702
9703 2016-01-19  Richard Biener  <rguenther@suse.de>
9704
9705         PR tree-optimization/69352
9706         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
9707         (equal_mem_array_ref_p): Constrain size and max size properly.
9708         Compare the reverse flag.
9709
9710 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
9711
9712         * ira.c (ira): Update regstat data if we deleted insns.
9713
9714 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
9715
9716         PR rtl-optimization/68955
9717         PR rtl-optimization/64557
9718         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
9719         here.  Fix up formatting.
9720         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
9721
9722 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
9723
9724         PR lto/69133
9725         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
9726         assume that the node has body.
9727         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
9728         check.
9729
9730 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
9731
9732         * lto-streamer-out.c (lto_output): Do not stream instrumentation
9733         thunks.
9734
9735 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
9736
9737         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
9738         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
9739
9740 2016-01-19  Martin Jambor  <mjambor@suse.cz>
9741             Martin Liska  <mliska@suse.cz>
9742             Michael Matz  <matz@suse.de>
9743
9744         * Makefile.in (OBJS): Add new source files.
9745         (GTFILES): Add hsa.c.
9746         * common.opt (disable_hsa): New variable.
9747         (-Whsa): New warning.
9748         * config.in (ENABLE_HSA): New.
9749         * configure.ac: Treat hsa differently from other accelerators.
9750         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
9751         $enable_offloading.
9752         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
9753         * doc/install.texi (Configuration): Document --with-hsa-runtime,
9754         --with-hsa-runtime-include, --with-hsa-runtime-lib and
9755         --with-hsa-kmt-lib.
9756         * doc/invoke.texi (-Whsa): Document.
9757         (hsa-gen-debug-stores): Likewise.
9758         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
9759         to invoke offload compiler for hsa acclerator.
9760         * opts.c (common_handle_option): Determine whether HSA offloading
9761         should be performed.
9762         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
9763         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
9764         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
9765         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
9766         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
9767         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
9768         GF_OMP_FOR_KIND_GRID_LOOP.
9769         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
9770         (pp_gimple_stmt_1): Likewise.
9771         * gimple-walk.c (walk_gimple_stmt): Likewise.
9772         * gimple.c (gimple_build_omp_grid_body): New function.
9773         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
9774         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
9775         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
9776         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
9777         GF_OMP_TEAMS_GRID_PHONY.
9778         (gimple_statement_omp_single_layout): Updated comments.
9779         (gimple_build_omp_grid_body): New function.
9780         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
9781         (gimple_omp_for_grid_phony): New function.
9782         (gimple_omp_for_set_grid_phony): Likewise.
9783         (gimple_omp_parallel_grid_phony): Likewise.
9784         (gimple_omp_parallel_set_grid_phony): Likewise.
9785         (gimple_omp_teams_grid_phony): Likewise.
9786         (gimple_omp_teams_set_grid_phony): Likewise.
9787         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
9788         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
9789         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
9790         (BUILT_IN_GOMP_TARGET): Updated type.
9791         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
9792         (adjust_for_condition): New function.
9793         (get_omp_for_step_from_incr): Likewise.
9794         (extract_omp_for_data): Moved parts to adjust_for_condition and
9795         get_omp_for_step_from_incr.
9796         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
9797         (fixup_child_record_type): Bail out if receiver_decl is NULL.
9798         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
9799         (scan_omp_parallel): Do not create child functions for phony
9800         constructs.
9801         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
9802         (scan_omp_1_op): Checking assert we are not remapping to
9803         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
9804         (parallel_needs_hsa_kernel_p): New function.
9805         (expand_parallel_call): Register apprpriate parallel child
9806         functions as HSA kernels.
9807         (grid_launch_attributes_trees): New type.
9808         (grid_attr_trees): New variable.
9809         (grid_create_kernel_launch_attr_types): New function.
9810         (grid_insert_store_range_dim): Likewise.
9811         (grid_get_kernel_launch_attributes): Likewise.
9812         (get_target_argument_identifier_1): Likewise.
9813         (get_target_argument_identifier): Likewise.
9814         (get_target_argument_value): Likewise.
9815         (push_target_argument_according_to_value): Likewise.
9816         (get_target_arguments): Likewise.
9817         (expand_omp_target): Call get_target_arguments instead of looking
9818         up for teams and thread limit.
9819         (grid_expand_omp_for_loop): New function.
9820         (grid_arg_decl_map): New type.
9821         (grid_remap_kernel_arg_accesses): New function.
9822         (grid_expand_target_kernel_body): New function.
9823         (expand_omp): Call it.
9824         (lower_omp_for): Do not emit phony constructs.
9825         (lower_omp_taskreg): Do not emit phony constructs but create for them
9826         a temporary variable receiver_decl.
9827         (lower_omp_taskreg): Do not emit phony constructs.
9828         (lower_omp_teams): Likewise.
9829         (lower_omp_grid_body): New function.
9830         (lower_omp_1): Call it.
9831         (grid_reg_assignment_to_local_var_p): New function.
9832         (grid_seq_only_contains_local_assignments): Likewise.
9833         (grid_find_single_omp_among_assignments_1): Likewise.
9834         (grid_find_single_omp_among_assignments): Likewise.
9835         (grid_find_ungridifiable_statement): Likewise.
9836         (grid_target_follows_gridifiable_pattern): Likewise.
9837         (grid_remap_prebody_decls): Likewise.
9838         (grid_copy_leading_local_assignments): Likewise.
9839         (grid_process_kernel_body_copy): Likewise.
9840         (grid_attempt_target_gridification): Likewise.
9841         (grid_gridify_all_targets_stmt): Likewise.
9842         (grid_gridify_all_targets): Likewise.
9843         (execute_lower_omp): Call grid_gridify_all_targets.
9844         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
9845         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
9846         (tree_omp_clause): Added union field dimension.
9847         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
9848         * tree.c (omp_clause_num_ops): Added number of arguments of
9849         OMP_CLAUSE__GRIDDIM_.
9850         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
9851         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
9852         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
9853         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
9854         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
9855         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
9856         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
9857         * tree-pass.h (make_pass_gen_hsail): Declare.
9858         (make_pass_ipa_hsa): Likewise.
9859         * ipa-hsa.c: New file.
9860         * lto-section-in.c (lto_section_name): Add hsa section name.
9861         * lto-streamer.h (lto_section_type): Add hsa section.
9862         * timevar.def (TV_IPA_HSA): New.
9863         * hsa-brig-format.h: New file.
9864         * hsa-brig.c: New file.
9865         * hsa-dump.c: Likewise.
9866         * hsa-gen.c: Likewise.
9867         * hsa.c: Likewise.
9868         * hsa.h: Likewise.
9869         * toplev.c (compile_file): Call hsa_output_brig.
9870         * hsa-regalloc.c: New file.
9871
9872 2016-01-18  Jeff Law  <law@redhat.com>
9873
9874         PR tree-optimization/69320
9875         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
9876         ranged object, do nothing if the RHS constant is not [0..1].
9877         (optimize_stmt): Comparing a boolean ranged object against a
9878         constant outside [0..1] results in a compile-time constant.
9879
9880         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
9881         test.
9882
9883 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
9884
9885         * doc/invoke.texi (Invoking GCC): Add new section to menu.
9886         (Option Summary): Update to reflect new section and moved options.
9887         (C++ Dialect Options): Move -fstats to new section.
9888         (Debugging Options): Move all dump, statistics, and other GCC
9889         developer options to new section.  Rewrite section introduction
9890         and re-order remaining options to put the more basic ones first.
9891         (Optimization Options): Move -fira-verbose and -flto-report* to
9892         new section.
9893         (Developer Options): New section incorporating moved options.
9894         * doc/cppopts.texi (-dM): Update cross-reference.
9895
9896 2016-01-18  Richard Henderson  <rth@redhat.com>
9897
9898         PR target/69176
9899         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
9900         operands to pseudo only if CSE is expected.  Split long immediate
9901         operands only after reload, and for the stack pointer.
9902         (*add<GPI>3_pluslong): Remove.
9903         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
9904         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
9905         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
9906         (*add<GPI>3 peepholes): New.
9907         (*add<GPI>3 splitters): New.
9908         * config/aarch64/constraints.md (Upl): New.
9909         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
9910
9911 2016-01-18  Richard Biener  <rguenther@suse.de>
9912
9913         PR tree-optimization/69297
9914         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
9915         stmt at most once.
9916         (vect_bb_vectorization_profitable_p): Clear visited flag again.
9917
9918 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
9919
9920         PR middle-end/68542
9921         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
9922         of mixind vector and scalar types.
9923         (fold_relational_const): Add handling of vector
9924         comparison with boolean result.
9925         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
9926         comparison of vector operands with boolean result for EQ/NE only.
9927         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
9928         (verify_gimple_cond): Likewise.
9929         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
9930         valid type of VAL.
9931
9932 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
9933
9934         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
9935         !TARGET_OCTEON.
9936
9937 2016-01-18  Richard Biener  <rguenther@suse.de>
9938
9939         PR middle-end/69308
9940         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
9941
9942 2016-01-18  Tom de Vries  <tom@codesourcery.com>
9943
9944         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
9945
9946 2016-01-18  Tom de Vries  <tom@codesourcery.com>
9947
9948         * omp-low.c (set_oacc_fn_attrib): Make extern.
9949         * omp-low.h (set_oacc_fn_attrib): Declare.
9950         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
9951         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
9952         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
9953         Add and handle function parameter oacc_kernels_p.
9954         (find_reduc_addr, get_omp_data_i_param): New function.
9955         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
9956         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
9957         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
9958         Calculate dominance info.  Skip loops that are not in a kernels region
9959         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
9960         (pass_parallelize_loops::execute): Call parallelize_loops with
9961         oacc_kernels_p argument.
9962         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
9963         New member function.
9964         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
9965         * passes.def: Add argument to pass_parallelize_loops instantation.
9966
9967 2016-01-18  Tom de Vries  <tom@codesourcery.com>
9968
9969         * tree-parloops.c (pass_parallelize_loops::execute): Allow
9970         pass_parallelize_loops to be run outside the loop pipeline.
9971
9972 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
9973
9974         * tree-scalar-evolution.c (follow_copies_to_constant): New.
9975         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
9976
9977 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
9978
9979         PR target/63679
9980         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
9981         using get_ref_base_and_extent.
9982         (equal_mem_array_ref_p): New.
9983         (hashable_expr_equal_p): Add call to previous.
9984
9985 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
9986
9987         PR target/63679
9988         * tree-sra.c (disqualified_constants, constant_decl_p): New.
9989         (sra_initialize): Allocate disqualified_constants.
9990         (sra_deinitialize): Free disqualified_constants.
9991         (disqualify_candidate): Update disqualified_constants when appropriate.
9992         (create_access): Scan for constant-pool entries as we go along.
9993         (scalarizable_type_p): Add check against type_contains_placeholder_p.
9994         (maybe_add_sra_candidate): Allow constant-pool entries.
9995         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
9996         (initialize_constant_pool_replacements): New.
9997         (sra_modify_assign): Avoid mangling assignments created by previous,
9998         and don't generate writes into constant pool.
9999         (sra_modify_function_body): Call initialize_constant_pool_replacements.
10000
10001 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10002
10003         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
10004         andnot instruction.
10005         (scalar_chain::convert_op): Likewise.
10006         * config/i386/i386.md (*andndi3_doubleword): New.
10007
10008 2016-01-18  Richard Biener  <rguenther@suse.de>
10009
10010         PR tree-optimization/69170
10011         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
10012         building a vector from scalar results of a pattern stmt.
10013
10014 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
10015
10016         * haifa-sched.c (autopref_multipass_init): Work around
10017         -Wmaybe-uninitialized warning.
10018
10019 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10020
10021         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
10022         against the constant 0.
10023
10024 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10025
10026         PR tree-optimization/68799
10027         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
10028         look up phi candidates in the statement-candidate map.
10029         (phi_add_costs): Likewise.
10030         (record_phi_increments): Likewise.
10031         (phi_incr_cost): Likewise.
10032         (ncd_with_phi): Likewise.
10033         (all_phi_incrs_profitable): Likewise.
10034
10035 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
10036
10037         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
10038         -Wmaybe-uninitialized warning.
10039
10040 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
10041
10042         * doc/invoke.texi (Invoking GCC): Add new section to menu.
10043         (Option Summary): Update to reflect new section and moved options.
10044         (C++ Dialect Options): Move -fvtable-verify and related options.
10045         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
10046         and profiling-related options.
10047         (Optimization Options): Move profile generation options and
10048         -fstack-protector and related options.
10049         (Instrumentation Options): New section incorporating moved options.
10050         (Code Generation Options): Move -finstrument-functions and
10051         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
10052
10053 2016-01-16  Tom de Vries  <tom@codesourcery.com>
10054
10055         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
10056
10057 2016-01-16  Tom de Vries  <tom@codesourcery.com>
10058
10059         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
10060
10061 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
10062
10063         * hash-table.h (hash_table::empty): Turn into an inline wrapper
10064         that checks whether the table is already empty.  Rename the
10065         original implementation to...
10066         (hash_table::empty_slot): ...this new private function.
10067
10068 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
10069
10070         PR diagnostic/68899
10071         * diagnostic-show-locus.c (layout::print_source_line): Move x
10072         offset of line until after call to
10073         get_line_width_without_trailing_whitespace.
10074
10075 2016-01-15  Jeff Law  <law@redhat.com>
10076
10077         PR tree-optimization/69270
10078         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
10079         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
10080         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
10081         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
10082         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
10083         ssa_name_has_boolean_range and constant_boolean_node.
10084
10085 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
10086
10087         PR rtl-optimization/69030
10088         * lra-spills.c (remove_pseudos): Check nrefs and make the function
10089         returning bool.
10090         (spill_pseudos): Delete debug insn for dead pseudo.
10091         (lra_spill): Initiate spill_hard_reg and slots memory separately.
10092
10093 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
10094
10095         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
10096         New.
10097         (TYPES_UNOPUS): Likewise.
10098         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
10099         builtin type, from UNOP to UNOPUS.
10100         (lbtruncuv4sf): Likewise.
10101         (lbtruncuv2df): Likewise.
10102         (lrounduv2sf): Likewise.
10103         (lrounduv4sf): Likewise.
10104         (lrounduv2df): Likewise.
10105         (lroundusf): Likewise.
10106         (lroundusf): Likewise.
10107         (lceiluv2sf): Likewise.
10108         (lceiluv4sf): Likewise.
10109         (lceiluv2df): Likewise.
10110         (lceilusf): Likewise.
10111         (lceiludf): Likewise.
10112         (lflooruv2sf): Likewise.
10113         (lflooruv4sf): Likewise.
10114         (lflooruv2df): Likewise.
10115         (lfloorusf): Likewise.
10116         (lfloorudf): Likewise.
10117         (lfrintnuv2sf): Likewise.
10118         (lfrintnuv4sf): Likewise.
10119         (lfrintnuv2df): Likewise.
10120         (lfrintnusf): Likewise.
10121         (lfrintnudf): Likewise.
10122         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
10123         conversion.
10124         (vcvtq_u32_f32): Likewise.
10125         (vcvtq_u64_f64): Likewise.
10126         (vcvta_u32_f32): Likewise.
10127         (vcvtaq_u32_f32): Likewise.
10128         (vcvtaq_u64_f64): Likewise.
10129         (vcvtm_u32_f32): Likewise.
10130         (vcvtmq_u32_f32): Likewise.
10131         (vcvtmq_u64_f64): Likewise.
10132         (vcvtn_u32_f32): Likwise.
10133         (vcvtnq_u32_f32): Likewise.
10134         (vcvtnq_u64_f64): Likewise.
10135         (vcvtp_u32_f32): Likewise.
10136         (vcvtpq_u32_f32): Likewise.
10137         (vcvtpq_u64_f64): Likewise.
10138         (vcvtmd_u64_f64): Likewise.
10139         (vcvtms_u32_f32): Likewise.
10140         (vcvtad_u64_f64): Likewise.
10141         (vcvtas_u32_f32): Likewise.
10142         (vcvtnd_u64_f64): Likewise.
10143         (vcvtns_u32_f32): Likewise.
10144         (vcvtpd_u64_f64): Likewise.
10145         (vcvtps_u32_f32): Likewise.
10146
10147 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10148
10149         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
10150         CSEL of zero_extended registers.
10151
10152 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10153
10154         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
10155         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
10156
10157 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10158
10159         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
10160         false when argument string is not found in the attributes table
10161         at all.
10162
10163 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
10164
10165         PR target/68609
10166         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
10167         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
10168         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
10169         precision estimate.
10170
10171 2016-01-15  Richard Biener  <rguenther@suse.de>
10172
10173         PR tree-optimization/66856
10174         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
10175         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
10176         (vect_create_new_slp_node): Increment stmt reference count.
10177         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
10178         an SLP tree before swapping operands.
10179         (vect_build_slp_tree): Likewise.
10180         (destroy_bb_vec_info): Free stmt info after SLP instances.
10181         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
10182         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
10183         (STMT_VINFO_NUM_SLP_USES): New macro.
10184
10185 2016-01-15  Richard Biener  <rguenther@suse.de>
10186
10187         PR debug/69137
10188         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
10189         (add_linkage_name): ... here.
10190         (gen_typedef_die): Use add_linkage_name_raw instead of
10191         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
10192         if necessary.
10193
10194 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
10195
10196         * gimplify.c (oacc_default_clause): Decode reference and pointer
10197         types for both kernels and parallel regions.
10198
10199 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
10200
10201         PR middle-end/69246
10202         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
10203
10204 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
10205
10206         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
10207         (convert_scalars_to_vector): Likewise.
10208
10209 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
10210
10211         * doc/extend.texi (Type Traits): Fix grammar.
10212
10213 2016-01-15  Martin Jambor  <mjambor@suse.cz>
10214
10215         * tree-inline.c (remap_decl): Use existing dclarations if
10216         remapping a type and prevent_decl_creation_for_types.
10217         (replace_locals_stmt): Do an initial remapping of non-VLA typed
10218         decls first.  Do real remapping with
10219         prevent_decl_creation_for_types set.
10220         * tree-inline.h (copy_body_data): New field
10221         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
10222         padding.
10223
10224 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10225
10226         * config/s390/s390.opt (mmvcle): More verbose help text.
10227
10228 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10229
10230         * config/s390/s390.opt: Add period to -mzvector option text.
10231
10232 2016-01-15  Richard Biener  <rguenther@suse.de>
10233
10234         PR tree-optimization/68961
10235         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
10236         of invariants in stores again.
10237
10238 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
10239
10240         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
10241
10242 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
10243
10244         * config/i386/i386.c (ix86_expand_branch): Don't split
10245         DI mode xor instruction to SI mode.
10246
10247 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
10248
10249         PR ipa/68148
10250         * ipa-icf.c (sem_function::merge): Virtual functions may become
10251         reachable even if they address is not taken and there are no
10252         idrect calls.
10253
10254 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
10255
10256         * lto-streamer-out.c (subtract_estimated_size): New function.
10257         (get_symbol_initial_value): Use it.
10258
10259 2016-01-15  Christian Bruel  <christian.bruel@st.com>
10260
10261         PR target/65837
10262         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
10263         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
10264         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
10265         use add_builtin_function_ext_scope instead of add_builtin_function.
10266         (neon_set_p, neon_crypto_set_p): Remove.
10267         (arm_init_builtins): Always call arm_init_neon_builtins and
10268         arm_init_crypto_builtins.
10269         (arm_expand_builtin): Check that builtins are allowed for the arch.
10270         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
10271         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
10272         arm_init_neon_builtins call.
10273
10274 2016-01-15  Richard Biener  <rguenther@suse.de>
10275
10276         PR tree-optimization/69117
10277         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
10278         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
10279         of the leader conservatively.
10280         (free_scc_vn): Restore original SSA name infos.
10281
10282 2016-01-14  Jeff Law  <law@redhat.com>
10283
10284         PR tree-optimization/69270
10285         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
10286         single bit of precision, verify it's also unsigned.
10287         (record_edge_info): Use constant_boolean_node rather than fold_convert
10288         to convert boolean_true/boolean_false to the right type.
10289
10290 2016-01-14  Richard Henderson  <rth@redhat.com>
10291
10292         PR rtl-opt/69014
10293         * loop-doloop.c (record_reg_sets): New.
10294         (doloop_optimize): Reject the transform if the sequence
10295         clobbers registers live at the end of the loop block.
10296         (doloop_optimize_loops): Enable df_live if needed.
10297
10298 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
10299
10300         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
10301         * gcc/config/rs6000/rs6000.c: Likewise.
10302         * gcc/config/rs6000/rs6000.h: Likewise.
10303         * gcc/config/rs6000/rs6000.md: Likewise.
10304         * gcc/doc/extend.texi: Likewsie.
10305
10306 2016-01-14  Jeff Law  <law@redhat.com>
10307
10308         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
10309         typo.
10310
10311 2016-01-14  Richard Henderson  <rth@redhat.com>
10312
10313         PR c/69272
10314         PR tree-opt/68964
10315         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
10316         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
10317         instead of builtin_decl_declared_p to test for declaration.
10318
10319 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
10320
10321         * doc/loop.texi (Loop Analysis and Representation): Document
10322         loop_depth function.
10323
10324 2016-01-14  Tom de Vries  <tom@codesourcery.com>
10325
10326         PR tree-optimization/68773
10327         * omp-low.c (expand_omp_target): Don't set force_output.
10328         * varpool.c (varpool_node::get_create): Same.
10329         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
10330         offload_funcs with force_output.
10331
10332 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
10333
10334         PR debug/69244
10335         * lra-eliminations.c (move_plus_up): Don't change anything if either
10336         the outer or inner subreg mode is not MODE_INT.
10337         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
10338         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
10339
10340 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
10341
10342         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
10343         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
10344         reduc_uplus_@var{m}): Remove.
10345         * expr.c (expand_expr_real_2): Remove expansion path for
10346         reduc_[us](min|max|plus) optabs.
10347         * optabs-tree.c (scalar_reduc_to_vector): Remove.
10348         * optabs-tree.h (scalar_reduc_to_vector): Remove.
10349         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
10350         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
10351         * tree-vect-loop.c (vectorizable_reduction): Remove test for
10352         reduc_[us](min|max|plus) optabs.
10353
10354 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
10355
10356         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
10357         (reduc_plus_scal_v2sf): New.
10358         (reduc_smax_v2sf): Rename to...
10359         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
10360         (reduc_smin_v2sf): Rename to...
10361         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
10362
10363 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
10364
10365         * alias.c (compare_base_symbol_refs): New function.
10366         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
10367         it.
10368
10369 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
10370
10371         PR middle-end/68146
10372         PR tree-optimization/69155
10373         * tree-complex.c: Include cfganal.h.
10374         (phis_to_revisit): New variable.
10375         (extract_component): Add phiarg_p argument.  Assert that returned
10376         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
10377         (update_phi_components): Partly rewrite to use loop over real/imag
10378         components instead of code duplication.  If extract_component returns
10379         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
10380         create_tmp_reg into the PHI node instead, and mention the phi triplet
10381         in phis_to_revisit.
10382         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
10383         in phis_to_revisit at the end.
10384
10385 2016-01-14  Richard Biener  <rguenther@suse.de>
10386
10387         PR tree-optimization/68060
10388         * tree-vect-loop.c (vect_is_simple_reduction): Check the
10389         outer loop reduction is only used in the inner loop before
10390         detecting a double reduction.
10391
10392 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
10393
10394         PR target/68269
10395         * combine.c (expand_field_assignment): Punt if compute_mode is
10396         unsupported scalar mode.
10397
10398 2016-01-14  Richard Biener  <rguenther@suse.de>
10399
10400         PR tree-optimization/66856
10401         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
10402         SLP node only if it built successfully.
10403         (vect_analyze_slp_instance): Adjust.
10404
10405 2016-01-14  Jeff Law  <law@redhat.com>
10406
10407         PR tree-optimization/69270
10408         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
10409         (record_edge_info): Use it.  Convert boolean_{true,false}_node
10410         to the type of op0.
10411
10412 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
10413
10414         PR ipa/66487
10415         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
10416         use block_ultimate_origin
10417         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
10418
10419 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
10420
10421         * doc/invoke.texi (Submodel Options): Rename section to
10422         "Machine-Dependent Options" to better reflect its content.
10423         Rewrite introductory text to remove archaic CPU names.
10424         Update references.
10425
10426 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
10427
10428         * doc/invoke.texi (Code Gen Options): Move section up in file,
10429         before target-specific options.  Update menu and option summary
10430         to reflect the new section ordering.
10431
10432 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
10433
10434         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
10435         (C++ Dialect Options): Add cross-reference to -std option.
10436         * doc/standards.texi (C++ Language): Document C++14 support.
10437
10438 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
10439
10440         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
10441         for pack/unpack functions for __ibm128.
10442         (PACK_IF): Likewise.
10443         (UNPACK_IF): Likewise.
10444
10445         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
10446         support for __ibm128 pack/unpack functions.
10447         (rs6000_invalid_builtin): Likewise.
10448         (rs6000_init_builtins): Likewise.
10449         (rs6000_opt_masks): Likewise.
10450
10451         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
10452         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
10453         functions
10454         (RS6000_BTM_COMMON): Likewise.
10455
10456         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
10457         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
10458         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
10459         128-bit floating point.  Add support for the double values to be
10460         in Altivec registers for TF/IF packing and unpacking, but restrict
10461         TD packing sub-fields to be FPR registers.  Don't allow overlapped
10462         register support for packing.  Allow pack inputs to be memory
10463         locations.  Don't build generator functions for unpack<mode>_dm
10464         and unpack<mode>_nodm.
10465         (unpack<mode>_dm): Likewise.
10466         (unpack<mode>_nodm): Likewise.
10467         (pack<mode>): Likewise.
10468
10469         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
10470         built-in functions to pack/unpack explicit __ibm128 values.
10471         (__builtin_unpack_ibm128): Likewise.
10472
10473         * doc/extend.texi (PowerPC Built-in Functions): Document
10474         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
10475
10476 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
10477
10478         PR c/66208
10479         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
10480         Add new arg loc and pass it down as context.
10481         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
10482         to the location to use for the warning.
10483         (check_function_arguments): New arg loc.  All callers changed.  Pass
10484         it to check_function_nonnull.
10485         * c-common.h (check_function_arguments): Adjust declaration.
10486
10487 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
10488
10489         PR tree-optimization/69156
10490         * gimple.c (validate_type): Removed.
10491         (gimple_builtin_call_types_compatible_p): Use
10492         useless_type_conversion_p instead of validate_type.
10493         * value-prof.c (gimple_stringop_fixed_value): Fold
10494         icall_size to correct type.
10495
10496 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
10497
10498         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
10499         effects.
10500
10501 2016-01-13  Richard Henderson  <rth@redhat.com>
10502
10503         PR tree-opt/68964
10504         * target.def (builtin_tm_load, builtin_tm_store): Remove.
10505         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
10506         (ix86_builtin_tm_store): Remove.
10507         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
10508         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
10509         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
10510         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
10511         * doc/tm.texi: Rebuild.
10512
10513         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
10514         (BUILT_IN_TM_MEMCPY_RTWN): New.
10515         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
10516         fallback from vector to integer helpers.
10517         (build_tm_load): Handle vector types directly, instead of
10518         via target hook.
10519         (build_tm_store): Likewise.
10520         (expand_assign_tm): Prepare for register types not handled by
10521         the above.  Copy them to memory and use memcpy.
10522         * tree.c (tm_define_builtin): New.
10523         (find_tm_vector_type): New.
10524         (build_tm_vector_builtins): New.
10525         (build_common_builtin_nodes): Call it.
10526
10527 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
10528
10529         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
10530         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
10531
10532 2016-01-13  Tom de Vries  <tom@codesourcery.com>
10533
10534         PR tree-optimization/69169
10535         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
10536         handled_struct_type param.
10537         (create_variable_info_for, intra_create_variable_infos): Call
10538         create_variable_info_for_1 with extra arg.
10539
10540 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
10541
10542         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
10543         and "armv8.1-a+crc" entries.
10544
10545 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
10546
10547         PR target/69228
10548         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
10549         Change first operand predicate from register_or_constm1_operand
10550         to register_operand.
10551         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
10552         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
10553         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
10554         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
10555         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
10556         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
10557         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
10558         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
10559         comparison with constm1_rtx from vec_prefetch_gen part.
10560
10561 2016-01-13  Richard Biener  <rguenther@suse.de>
10562
10563         PR tree-optimization/69013
10564         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
10565         Exchange assert for a test.
10566
10567 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10568
10569         PR target/69247
10570         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
10571
10572 2016-01-13  Richard Biener  <rguenther@suse.de>
10573
10574         PR tree-optimization/69242
10575         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
10576         assert with a check.
10577
10578 2016-01-13  Richard Biener  <rguenther@suse.de>
10579
10580         PR tree-optimization/69186
10581         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
10582         Properly guard vect_update_misalignment_for_peel call.
10583
10584 2016-01-12  Jeff Law  <law@redhat.com>
10585
10586         PR tree-optimization/pr67755
10587         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
10588         "need_profile_correction".
10589         (thread_block_1): Initialize new field to false by default.  If we
10590         have multiple thread paths through a common joiner to different
10591         final targets, then set new field to true.
10592         (compute_path_counts): Only do count adjustment when it's really
10593         needed.
10594
10595 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
10596
10597         * doc/invoke.texi (Spec Files): Move section down in file, past
10598         all command-line option descriptions.
10599
10600 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10601
10602         PR middle-end/54809
10603         * doc/gty.texi: Remove documentation of mark_hook.
10604         * gengtype.c (struct write_types_data): Remove code to support
10605         mark_hook attribute.
10606         (walk_type): Likewise.
10607         (write_func_for_structure): Likewise.
10608
10609 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
10610
10611         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
10612         Directory Options, and -specs= to Overall Options.
10613         (Overall Options): Adjust similarly.  Reorder to group related
10614         options together.  Make -specs= cross-reference the spec file details.
10615         (Directory Options): Adjust similarly.
10616
10617 2016-01-12  Jeff Law  <law@redhat.com>
10618
10619         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
10620
10621 2016-01-12  Olivier Hainque  <hainque@adacore.com>
10622
10623         * gcc.c (spec_undefvar_allowed): New global.
10624         (process_command): Set to true when running for --version or --help,
10625         alone or together.
10626         (getenv_spec_function): When the variable is not defined, use the
10627         variable name as the variable value if we're allowed not to issue
10628         a fatal error.
10629
10630 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
10631
10632         PR tree-optimization/68911
10633         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
10634         information computed for expression "init + nit * step".
10635
10636 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
10637
10638         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
10639         about name of GCC executable.  Remove deleted node from menu.
10640         (Directory Options) <-B>: Remove cross-reference to deleted node.
10641         (Target Options): Delete section.
10642
10643 2016-01-12  Christian Bruel  <christian.bruel@st.com>
10644
10645         PR target/69180
10646         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
10647         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
10648
10649 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
10650
10651         PR target/69198
10652         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
10653         aligned_mem is properly set for AVX512-VL floating point masked
10654         stores.
10655
10656         PR target/69175
10657         * ifcvt.c (cond_exec_process_if_block): When removing the last
10658         insn from then_bb, remove also any possible barriers that follow it.
10659
10660 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
10661
10662         PR target/68456
10663         PR target/69226
10664         * config/i386/iamcu.h (SIZE_TYPE): New macro.
10665         (PTRDIFF_TYPE): Likewise.
10666         (WCHAR_TYPE): Likewise.
10667         (WCHAR_TYPE_SIZE): Likewise.
10668         (STDINT_LONG32): Likewise.
10669
10670 2016-01-12  Richard Biener  <rguenther@suse.de>
10671
10672         PR tree-optimization/69053
10673         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
10674         convert initial value for cond reductions.
10675
10676 2016-01-12  Richard Biener  <rguenther@suse.de>
10677
10678         PR tree-optimization/69007
10679         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
10680         widen_sum after dot_prod and sad.
10681
10682 2016-01-12  Richard Biener  <rguenther@suse.de>
10683
10684         PR tree-optimization/69168
10685         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
10686         pattern stmt SLP type.
10687         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
10688         end up unused so cope with that case.
10689
10690 2016-01-12  Richard Biener  <rguenther@suse.de>
10691
10692         PR tree-optimization/69157
10693         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
10694         stmts def type only during analyze phase.
10695         (vectorizable_call): Likewise.
10696         (vectorizable_simd_clone_call): Likewise.
10697         (vectorizable_conversion): Likewise.
10698         (vectorizable_assignment): Likewise.
10699         (vectorizable_shift): Likewise.
10700         (vectorizable_operation): Likewise.
10701         (vectorizable_store): Likewise.
10702         (vectorizable_load): Likewise.
10703
10704 2016-01-12  Richard Biener  <rguenther@suse.de>
10705
10706         PR tree-optimization/69174
10707         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
10708         space.
10709         (vectorizable_load): Properly compute the number of loads needed
10710         for permuted strided SLP loads and do not spuriously assign
10711         to SLP_TREE_VEC_STMTS.
10712
10713 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
10714
10715         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
10716         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
10717         (MD_EXEC_PREFIX): Remove.
10718         (MD_STARTFILE_PREFIX) Removee.
10719         (FILE_NAME_ABSOLUTE_P): Remove.
10720         (CPP_SPEC): Do not read macros from sys/version.h.
10721         (LINK_COMMAND_SPEC): Remove.
10722         (LOCAL_INCLUDE_DIR): Remove.
10723         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
10724         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
10725         (POST_LINK_SPEC): Define to invoke stubify after linker
10726         (LIBSTDCXX): Remove define
10727         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
10728         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
10729         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
10730         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
10731         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
10732         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
10733         (i386_djgpp_asm_named_section): Add propotype of new procedure
10734
10735         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
10736         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
10737         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
10738         in config/i386/djgpp.h).
10739         (STANDARD_STARTFILE_PREFIX_2): Define identical to
10740         STANDARD_STARTFILE_PREFIX_1.
10741         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
10742         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
10743         installation errors.
10744         (MAX_OFILE_ALIGNMENT): Define to 128.
10745         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
10746
10747         * config/i386/djgpp.c: New file. Add implementation of
10748         i386_djgpp_asm_named_section.
10749
10750         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
10751
10752         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
10753         Add rule for building djgpp.o.
10754
10755 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
10756
10757         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
10758         (rtx_is_swappable_p): Reductions are swappable.
10759         (insn_is_swappable_p): V2DF reductions are swappable.
10760
10761 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
10762
10763         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
10764         reloads for other unsupported memory operands.
10765
10766 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
10767             Jim Wilson  <jim.wilson@linaro.org>
10768
10769         PR target/69194
10770         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
10771         copy_to_mode_reg instead of force_reg.
10772
10773 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
10774
10775         PR target/69225
10776         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
10777         TARGET_80387 is true.
10778
10779 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
10780
10781         PR target/69071
10782         * lra-eliminations.c (move_plus_up): Only move plus up
10783         if subreg of the constant can be simplified into constant
10784         and use the simplified subreg of the constant instead of
10785         the original constant.
10786
10787         * fold-const.c (fold_convertible_p): Don't return true
10788         for conversion of VECTOR_TYPE to same sized integral type.
10789         (fold_convert_loc): Fix up formatting.  Fold conversion of
10790         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
10791         instead of NOP_EXPR.
10792
10793         PR tree-optimization/69214
10794         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
10795         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
10796         Formatting fix.
10797
10798         PR tree-optimization/69207
10799         * tree-vect-slp.c (vect_get_constant_vectors): For
10800         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
10801         fold_convertible_p to vector_type's element type, and always
10802         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
10803
10804 2016-01-11  Richard Biener  <rguenther@suse.de>
10805
10806         PR tree-optimization/69173
10807         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
10808         fixup the cycle if all stmts are in a pattern.
10809
10810 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
10811
10812         PR middle-end/68999
10813         * alias.c (base_alias_check): Move check for addresses with
10814         alignment ANDs before the call for compare_base_decls.
10815         (memrefs_conflict_p): Return -1 for different decls
10816         that went through alignment adjustments.
10817
10818 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10819
10820         PR rtl-optimization/68796
10821         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
10822         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
10823         and QImode comparisons against zero with CC_NZmode.
10824         * config/aarch64/iterators.md (short_mask): New mode_attr.
10825
10826 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
10827
10828         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
10829         (<avx512>_store<mode>_mask): Likewise.
10830
10831 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
10832             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10833
10834         PR rtl-optimization/68841
10835         * ifcvt.c (struct noce_if_info): Add orig_x field.
10836         (bbs_ok_for_cmove_arith): Add to_rename parameter.
10837         Don't record conflicts on to_rename if it's present.
10838         Allow memory destinations in sets.
10839         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
10840         blocks, passing orig_x to the checks.
10841         (noce_process_if_block): Set if_info->orig_x appropriately.
10842
10843 2016-01-11  Tom de Vries  <tom@codesourcery.com>
10844
10845         PR tree-optimization/69069
10846         * tree-parloops.c (create_parallel_loop): Add missing phi args.
10847
10848 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
10849
10850         PR rtl-optimization/68920
10851         * config/i386/i386.c (ix86_option_override_internal): Restrict number
10852         of conditional moves for  RTL if-conversion to 1 for
10853         TARGET_ONE_IF_CONV_INSN.
10854         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
10855         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
10856         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
10857         parameter to restirct number of conditional moves for
10858         RTL if-conversion.
10859         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
10860         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
10861         conditionl moves.
10862
10863 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
10864
10865         PR bootstrap/69123
10866         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
10867         onepart vars.  Fix typo in comment.  Fix reversed condition in
10868         unshare test.
10869         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
10870
10871         PR bootstrap/69123
10872         * var-tracking.c (dump_onepart_variable_differences): New.
10873         (dataflow_set_different): If a detailed dump is requested,
10874         delay early returns and dump differences between onepart
10875         variables present before and after, and added variables.
10876
10877 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10878
10879         PR target/69010
10880         * expr.c (expand_expr_real_1): For boolean vector constants
10881         with a scalar mode use const_scalar_mask_from_tree.
10882         (const_scalar_mask_from_tree): New.
10883         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
10884         assigned to a mask type to handle constants.
10885
10886 2016-01-11  Martin Jambor  <mjambor@suse.cz>
10887
10888         PR ipa/69044
10889         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
10890         useless parameters if we cannot change function signature.
10891
10892 2016-01-11  Martin Jambor  <mjambor@suse.cz>
10893
10894         PR ipa/66616
10895         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
10896         flag.
10897
10898 2016-01-11  Tom de Vries  <tom@codesourcery.com>
10899
10900         PR tree-optimization/69109
10901         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
10902         latch with phi.
10903
10904 2016-01-11  Tom de Vries  <tom@codesourcery.com>
10905
10906         PR tree-optimization/69108
10907         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
10908         res is not used in a phi.
10909
10910 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
10911
10912         PR 67425
10913         * common.opt (frandom-seed): Fix parameter name.
10914         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
10915
10916 2016-01-11  Tom de Vries  <tom@codesourcery.com>
10917
10918         PR tree-optimization/69058
10919         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
10920         not supported.
10921
10922 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
10923
10924         * config/arc/arc.opt (mdiv-rem): Add period to the end.
10925         (mcode-density): Likewise.
10926
10927 2016-01-10  Tom de Vries  <tom@codesourcery.com>
10928
10929         PR tree-optimization/69062
10930         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
10931         (parallelize_loops): Don't paralelize loop that has phi with address
10932         arg.
10933
10934 2016-01-10  Tom de Vries  <tom@codesourcery.com>
10935
10936         PR tree-optimization/69039
10937         * tree-parloops.c (try_create_reduction_list): Only allow single exit
10938         phi for reduction.
10939
10940 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
10941
10942         PR middle-end/68743
10943         * match.pd: Require target has function_c99_misc before doing
10944         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
10945
10946 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
10947
10948         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
10949         use GMPINC.
10950         * configure: Regenerate.
10951
10952 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
10953
10954         PR middle-end/50865
10955         PR tree-optimization/69097
10956         * fold-const.h (expr_not_equal_to): New prototype.
10957         * fold-const.c: Include stringpool.h and tree-ssanames.h.
10958         (expr_not_equal_to): New function.
10959         * match.pd (X % -Y is the same as X % Y): Don't optimize
10960         unless X is known not to be equal to minimum or Y is known
10961         not to be equal to -1.
10962         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
10963         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
10964         (simplify_stmt_using_ranges): Adjust caller.
10965         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
10966         substitute_and_fold.
10967
10968 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
10969
10970         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
10971         w/o DECL_NAME.
10972
10973 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
10974
10975         PR tree-optimization/69167
10976         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
10977         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
10978         ops[0] comparison.
10979         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
10980
10981 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
10982             Richard Biener  <rguenther@suse.de>
10983
10984         PR tree-optimization/68707
10985         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
10986         instances that can be handled via vect_load_lanes.
10987
10988 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
10989
10990         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
10991         if we can't determine address equivalence.
10992         * alias.c (compare_base_decl): Update for changed return value of
10993         symtab_node::equal_address_to.
10994
10995 2016-01-08  Jason Merrill  <jason@redhat.com>
10996
10997         PR c++/68983
10998         PR c++/67557
10999         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
11000         * expr.c (store_field): Not here.
11001         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
11002         call with TREE_ADDRESSABLE type.
11003         * tree-cfg.c (verify_gimple_call): Adjust.
11004
11005 2016-01-08  Olivier Hainque  <hainque@adacore.com>
11006
11007         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
11008         libc_internal.
11009
11010 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
11011
11012         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
11013         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
11014         (reduc_smin_v2sf): Rename to...
11015         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
11016         (reduc_splus_v2sf): Rename to...
11017         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
11018
11019 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
11020
11021         PR tree-optimization/69162
11022         * gimplify.c (gimplify_va_arg_expr): Encode original type of
11023         valist argument in another argument.
11024         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
11025         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
11026         to determine the va_list type, build a MEM_REF instead of
11027         build_fold_indirect_ref.
11028
11029         PR tree-optimization/69172
11030         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
11031         gimple_build.
11032
11033 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11034
11035         PR tree-optimization/67781
11036         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
11037         and cmpnop in two steps: first the ones not accessed in original
11038         gimple expression in a endian independent way and then the ones not
11039         accessed in the final result in an endian-specific way.
11040
11041 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
11042
11043         PR tree-optimization/69083
11044         * tree-vect-slp.c (vect_get_constant_vectors): For
11045         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
11046         element type.  If op is fold_convertible_p to vector_type's element
11047         type, use NOP_EXPR instead of VCE.
11048
11049 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
11050
11051         PR rtl-optimization/67778
11052         PR rtl-optimization/68634
11053         PR rtl-optimization/68909
11054         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
11055         block from the stack until done with it.  Remove a superfluous
11056         bitmap set.  Remove a superfluous bitmap test.
11057
11058 2016-01-07  Martin Sebor  <msebor@redhat.com>
11059
11060         PR c/68966
11061         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
11062         constraint on the type of arguments.
11063
11064 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
11065
11066         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
11067         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
11068         unaligned_access on the gcc_options set.
11069         * config/arm/arm.c (arm_option_override_internal): Use
11070         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
11071
11072 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
11073
11074         PR target/69140
11075         * config/i386/i386.c (ix86_frame_pointer_required): Enable
11076         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
11077
11078 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
11079
11080         Revert
11081         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
11082
11083         PR target/69140
11084         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
11085         depending on frame_pointer_needed before remaining integer and SSE
11086         registers are saved.
11087
11088 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
11089
11090         PR 1078
11091         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
11092
11093 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11094
11095         PR target/69171
11096         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
11097         Use the "xBm" constraint.
11098         (float<sseintvecmodelower><mode>2<mask_name><round_name):
11099         Likewise.
11100         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
11101         (sse_cvtsi2ssq<round_name>): Likewise.
11102         (sse_cvtss2si<round_name>): Likewise.
11103         (sse_cvtss2siq<round_name>): Likewise.
11104         (sse2_cvtsi2sdq<round_name>): Likewise.
11105         (sse2_cvtsd2si<round_name>): Likewise.
11106         (sse2_cvtsd2siq<round_name>): Likewise.
11107         * config/i386/subst.md (round_nimm_scalar_predicate): New
11108         predicate.
11109
11110 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
11111
11112         PR middle-end/67639
11113         * varasm.c (make_decl_rtl): Mark invalid register vars as
11114         DECL_EXTERNAL.
11115
11116         PR rtl-optimization/66206
11117         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
11118         All callers changed.
11119
11120 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
11121
11122         PR tree-optimization/69141
11123         * tree-ssa-pre.c: Include langhooks.h.
11124         (eliminate_dom_walker::before_dom_children): Use
11125         lang_hooks.decl_printable_name instead of
11126         cgraph_node::get ()->name ().
11127
11128         PR middle-end/68960
11129         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
11130         it and DECL_ALIGN too.
11131
11132 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
11133
11134         * config/mips/mips-ftypes.def: Sort to lexicographical order.
11135
11136 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
11137
11138         PR target/69140
11139         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
11140         depending on frame_pointer_needed before remaining integer and SSE
11141         registers are saved.
11142
11143 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11144
11145         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
11146         mode iterator with VSX_M2.
11147         (*p9_vecstore_<mode>): Likewise.
11148         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
11149         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
11150         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
11151         (define_split for VSX_LE128 stores): Likewise.
11152         (define_peephole2 for TImode LE swaps): Likewise.
11153         (define_split for VSX_LE128 post-reload stores): Likewise.
11154
11155 2016-01-06  Marek Polacek  <polacek@redhat.com>
11156
11157         PR sanitizer/69099
11158         * convert.c (convert_to_integer_1): Adjust call to
11159         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
11160         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
11161         EXPR instead of ARG.
11162         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
11163
11164 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
11165
11166         PR 1078
11167         * doc/extend.texi (RL78 Variable Attributes): New section.
11168
11169 2016-01-05  Marek Polacek  <polacek@redhat.com>
11170
11171         PR c/69104
11172         * builtins.c (get_memmodel): Use expansion point location rather than
11173         the input location.  Call warning_at rather than warning.
11174         (expand_builtin_atomic_compare_exchange): Likewise.
11175         (expand_builtin_atomic_load): Likewise.
11176         (expand_builtin_atomic_store): Likewise.
11177         (expand_builtin_atomic_clear): Likewise.
11178
11179 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
11180
11181         PR target/68991
11182         * config/i386/i386.c (ix86_expand_vector_logical_operator):
11183         Replace nonimmediate_operand with vector_operand.
11184         * config/i386/predicates.md (vector_operand): New predicate.
11185         (general_vector_operand): Replace nonimmediate_operand with
11186         vector_operand.
11187         * config/i386/sse.md: Replace nonimmediate_operand with
11188         vector_operand and m constraint with Bm constraint on SSE
11189         patterns with 16-byte memory operand.
11190         * config/i386/subst.md (round_nimm_predicate): Replace
11191         nonimmediate_operand with vector_operand.
11192         (round_saeonly_nimm_predicate): Likewise.
11193         (round_saeonly_nimm_scalar_predicate): New.
11194
11195 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
11196
11197         PR target/68991
11198         * config/i386/constraints.md (Bm): New constraint.
11199         * config/i386/predicates.md (vector_memory_operand): New
11200         predicate.
11201         * config/i386/sse.md: Replace xm with xBm in plusminus and
11202         any_logic patterns.
11203
11204 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
11205
11206         PR 1078
11207         * doc/extend.texi (V850 Function Attributes): New section.
11208         (V850 Variable Attributes): New section.
11209
11210 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
11211
11212         PR 1078
11213         * doc/extend.texi (MicroBlaze Function Attributes): Document
11214         interrupt_handler and fast_interrupt attributes.
11215
11216 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
11217
11218         PR other/60465
11219         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
11220         for local symbolic operands.
11221         * config/ia64/predicates.md (local_symbolic_operand64): New
11222         predicate.
11223
11224 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11225
11226         PR rtl-optimization/68651
11227         * combine.c (combine_simplify_rtx): Canonicalize x + x into
11228         x << 1.
11229
11230 2016-01-05  Nathan Sidwell  <nathan@acm.org>
11231
11232         * alias.c (compare_base_decls): Use symtab_node::get.
11233
11234 2016-01-05  Nick Clifton  <nickc@redhat.com>
11235
11236         PR target/68770
11237         * ira-costs.c (copy_cost): Initialise the t_icode field of the
11238         secondary_reload_info structure.
11239
11240         PR target/66655
11241         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
11242         decls if weak support is available.
11243
11244 2016-01-04  Martin Sebor  <msebor@redhat.com>
11245
11246         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
11247
11248 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
11249
11250         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
11251         OPTION_MASK_P9_DFORM.
11252
11253         * config/rs6000/constraints.md (wo constraint): New constraint for
11254         ISA 3.0 (power9).
11255
11256         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
11257         for wo constraint.
11258         (rs6000_init_hard_regno_mode_ok): Likewise.
11259
11260         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
11261         wo constraint.
11262
11263         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
11264         expanders not to have constraints.  Add support for ISA 3.0 xxperm
11265         instruction.  Add support for fusing xxlor with xxperm.
11266         (altivec_vperm_<mode>_internal): Likewise.
11267         (altivec_vperm_v8hiv16qi): Likewise.
11268         (altivec_vperm_<mode>v16q): Likewise.
11269         (altivec_vperm_<mode>_uns): Likewise.
11270         (vperm_v8hiv4si): Likewise.
11271         (vperm_v16qiv8hi): Likewise.
11272
11273         * doc/md.texi (RS/6000 constraints): Document wo constraint.
11274
11275 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
11276
11277         Update copyright years.
11278
11279         * gcc.c (process_command): Update copyright notice dates.
11280         * gcov-dump.c (print_version): Ditto.
11281         * gcov.c (print_version): Ditto.
11282         * gcov-tool.c (print_version): Ditto.
11283         * gengtype.c (create_file): Ditto.
11284         * doc/cpp.texi: Bump @copying's copyright year.
11285         * doc/cppinternals.texi: Ditto.
11286         * doc/gcc.texi: Ditto.
11287         * doc/gccint.texi: Ditto.
11288         * doc/gcov.texi: Ditto.
11289         * doc/install.texi: Ditto.
11290         * doc/invoke.texi: Ditto.
11291
11292 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11293
11294         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
11295         modes larger than TImode as TImode if NEON is not enabled.
11296
11297 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11298
11299         PR target/69100
11300         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
11301         mode for %f0-%f31 only if TARGET_FPU.
11302
11303 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
11304
11305         PR target/69072
11306         * config/sparc/sparc.c (scan_record_type): Take into account subfields
11307         to compute the PACKED_P predicate.
11308         (function_arg_record_value): Minor tweaks.
11309
11310 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
11311
11312         * doc/install.texi (--with-multilib-list): Describe the meaning of the
11313         option for arm*-*-* targets.
11314
11315 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
11316
11317         * doc/extend.texi (Common Function Attributes): Move docs for
11318         MSP430-specific attributes to....
11319         (MSP430 Function Attributes): ...here.  Delete the redundant
11320         entries and copy-edit the remaining text.
11321         (MSP430 Variable Attributes): Use uniform format for index
11322         entries and add a cross-reference to the corresponding function
11323         attribute docs.
11324
11325 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
11326
11327         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
11328         -finite-math typo.
11329         (x86 Options): Likewise.
11330
11331 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
11332
11333         PR 1078
11334
11335         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
11336         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
11337         to corresponding attribute.
11338
11339 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
11340
11341         * doc/extend.texi (Common Function Attributes) <noplt>: Move
11342         to correct alphabetization of table.  Copy-edit and correct
11343         markup.
11344         <stack_protect>: Likewise.
11345         <target_clones>: Likewise.
11346         <simd>: Likewise.
11347         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
11348         Correct punctuation.
11349         (Code Gen Options) <-fno-plt>: Copy-edit.
11350
11351 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11352
11353         PR target/68917
11354         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
11355         SI values.  Explicitly convert SI to DI and vice-versa.
11356
11357 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
11358
11359         PR tree-optimization/69070
11360         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
11361         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
11362
11363         PR sanitizer/69055
11364         * ubsan.c (ubsan_instrument_float_cast): Call
11365         initialize_sanitizer_builtins.
11366
11367         PR target/69015
11368         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
11369 \f
11370 Copyright (C) 2016 Free Software Foundation, Inc.
11371
11372 Copying and distribution of this file, with or without modification,
11373 are permitted in any medium without royalty provided the copyright
11374 notice and this notice are preserved.