gcc/ChangeLog

   1 2016-05-31  Tom de Vries  <tom@codesourcery.com>
   2
   3         PR tree-optimization/69068
   4         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
   5         phis with more than two args.
   6
   7 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
   8
   9         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
  10         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
  11         target.
  12
  13 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
  14
  15         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
  16         tune_64.
  17         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
  18         support on SPARC.
  19         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
  20         cpu_32, cpu_64, tune_32 and tune_64.
  21         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
  22
  23 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
  24
  25         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
  26
  27 2016-05-30  Andi Kleen  <ak@linux.intel.com>
  28
  29         * auto-profile.c (read_profile): Replace asserts with errors
  30         when file does not exist.
  31         * gcov-io.c (gcov_read_words): Dito.
  32
  33 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  34
  35         * tree-cfg.c (print_loop): Print likely upper bounds.
  36
  37 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  38
  39         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
  40         * opts.c (default_options): Enable peel loops at -O3.
  41         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
  42         (try_peel_loop): Do not re-peel already peeled loops;
  43         use likely upper bounds; fix profile updating.
  44         (pass_complete_unroll::execute): Initialize peeled_loops.
  45
  46 2016-05-30  Martin Liska  <mliska@suse.cz>
  47
  48         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
  49         computed costs by frequency of BB they belong to.
  50         (get_scaled_computation_cost_at): New function.
  51
  52 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
  53             Marc Glisse  <marc.glisse@inria.fr>
  54
  55         PR tree-optimization/71289
  56         * match.pd (-1 / B < A, A > -1 / B): New transformations.
  57
  58 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  59
  60         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
  61
  62 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  63
  64         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
  65         for peeled copies; avoid underflow when updating estimates; correctly
  66         scale loop profile.
  67
  68 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
  69
  70         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
  71         r236875. Corrected oe3 to oe2 as obvious.
  72
  73 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
  74
  75         PR middle-end/71269
  76         PR middle-end/71252
  77         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
  78         that inserted stmt will not dominate stmts that defines its operand.
  79         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
  80         (rewrite_expr_tree_parallel): Likewise.
  81
  82 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
  83
  84         PR middle-end/71252
  85         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
  86         all fields including stmt_to_insert are swapped.
  87
  88 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  89
  90         * predict.h (force_edge_cold): Declare.
  91         * predict.c (force_edge_cold): New function.
  92         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
  93         updating.
  94         (canonicalize_loop_induction_variables): Fix formating.
  95
  96 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
  97
  98         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
  99         (visium_expand_copysign): Use gen_int_mode directly.
 100         (visium_compute_frame_size): Minor tweaks.
 101
 102 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 103
 104         * tree-vect-loop.c (vect_analyze_loop_2): Use
 105         likely_max_stmt_executions_int.
 106
 107 2016-05-30  Tom de Vries  <tom@codesourcery.com>
 108
 109         PR tree-optimization/69067
 110         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
 111
 112 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
 113
 114         PR target/71245
 115         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
 116         New peepholes to remove unneeded fild/fistp pairs.
 117         (define_peephole2 atomic_loaddi_fpu): Ditto.
 118
 119 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 120
 121         * predict.c (maybe_hot_frequency_p): Avoid division.
 122
 123 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
 124
 125         * doc/install.texi: Use https for shop.fsf.org.
 126
 127 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 128
 129         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
 130         likely_max_stmt_executions_int.
 131
 132 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 133
 134         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 135         likely_max_stmt_executions_int.
 136
 137 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 138
 139         * profile.c (compute_branch_probabilities): Do not report hitrates
 140         here.
 141         (branch_prob): Report hitrates here.
 142         * predict.c (gimple_predict_edge): Do not assert profile status;
 143         fix formatting issues.
 144
 145 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 146
 147         * predict.c (edge_predicted_by_p): New function.
 148         (predict_paths_for_bb): Do not put multiple predictions of the same type
 149         on one edge.
 150
 151 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 152
 153         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
 154         commit.
 155
 156 2016-05-28  Alan Modra  <amodra@gmail.com>
 157
 158         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
 159
 160 2016-05-28  Alan Modra  <amodra@gmail.com>
 161
 162         PR rtl-optimization/71275
 163         * ira.c (ira): Free dominance info.
 164
 165 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
 166
 167         * doc/sourcebuild.texi: New address for upstream Go repository.
 168
 169 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 170
 171         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
 172         (TARGET_ARM_V7M): Likewise.
 173
 174 2016-05-26  Jeff Law  <law@redhat.com>
 175
 176         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
 177         (thread_across_edge): Remove calls to find_jump_threads_backwards.
 178         * passes.def: Add jump threading passes before DOM/VRP.
 179         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
 180         argument to a basic block from an edge.  Remove tests which are
 181         handled elsewhere.
 182         (pass_data_thread_jumps, class pass_thread_jumps): New.
 183         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
 184         (make_pass_thread_jumps): Likewise.
 185         * tree-pass.h (make_pass_thread_jumps): Declare.
 186
 187 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 188
 189         * config/visium/visium-protos.h (split_double_move): Rename into...
 190         (visium_split_double_move): ...this.
 191         (visium_split_double_add): Declare.
 192         * config/visium/visium.c (split_double_move): Rename into...
 193         (visium_split_double_move): ...this.
 194         (visium_split_double_add): New function.
 195         (visium_expand_copysign): Renumber operands for consistency.
 196         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
 197         (DFmode move splitter): Likewise.
 198         (*addi3_insn): Split by means of visium_split_double_add.
 199         (*adddi3_insn_flags): Delete.
 200         (*plus_plus_sltu<subst_arith>): New insn.
 201         (*subdi3_insn): Split by means of visium_split_double_add.
 202         (subdi3_insn_flags): Delete.
 203         (*minus_minus_sltu<subst_arith>): New insn.
 204         (*negdi2_insn): Split by means of visium_split_double_add.
 205         (*negdi2_insn_flags): Delete.
 206
 207 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
 208
 209         * configure.ac: Treat a --with-headers option without argument
 210         the same as the default (i.e. consult sys-include directory).
 211         * configure: Regenerate.
 212
 213 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 214
 215         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
 216         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
 217         prototype.
 218         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
 219         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
 220
 221 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 222
 223         PR target/63596
 224         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
 225         tree-stdarg analysis results.
 226         (aarch64_setup_incoming_varargs): Likewise.
 227
 228 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 229
 230         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
 231         va_list_gpr_counter_field and va_list_fpr_counter_field.
 232
 233 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
 234
 235         PR67609
 236         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
 237         * config/aarch64/aarch64.c
 238         (aarch64_cannot_change_mode_class): Remove function.
 239         * config/aarch64/aarch64-protos.h
 240         (aarch64_cannot_change_mode_class): Remove.
 241
 242 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 243
 244         * cfgloop.c (record_niter_bound): Record likely upper bounds.
 245         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
 246         get_likely_max_loop_iterations_int): New.
 247         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
 248         any_likely_upper_bound.
 249         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
 250         Declare.
 251         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
 252         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
 253         upper bound.
 254         (unroll_loop_constant_iterations): Likewise.
 255         (unroll_loop_runtime_iterations): Likewise.
 256         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
 257         * lto-streamer-out.c (output_cfg): Likewise.
 258         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
 259         bounds.
 260         (canonicalize_loop_induction_variables): Dump likely upper bounds.
 261         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
 262         (likely_max_loop_iterations): New.
 263         (likely_max_loop_iterations_int): New.
 264         (likely_max_stmt_executions): New.
 265         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
 266         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
 267         likely_max_stmt_executions): Declare.
 268
 269 2016-05-27  Marek Polacek  <polacek@redhat.com>
 270
 271         PR middle-end/71308
 272         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
 273
 274 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 275
 276         * config/s390/s390.md (2x risbg splitters): Use
 277         reg_overlap_mentioned_p instead of rtx_equal_p.
 278
 279 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 280
 281         * combine.c (make_compound_operation): Take known zero bits into
 282         account when checking for possible zero_extend.
 283
 284 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 285
 286         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
 287         Use const_int_operand for operand 2 predicate.  Simplify expand code
 288         as a result.
 289
 290 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
 291
 292         PR middle-end/71279
 293         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
 294         into comparison.
 295
 296 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 297
 298         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
 299         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
 300         that returns CC_SESWPmode and CC_ZESWPmode.
 301         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
 302         and CC_SESWPmode.
 303         (aarch64_rtx_costs): Likewise.
 304
 305 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
 306
 307         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
 308         for ISA 3.0 min/max support.
 309         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
 310         conditional move support.
 311         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
 312         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
 313         available.
 314         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
 315         conditional moves where the comparison type is different from move
 316         type.
 317         (fp_minmax): New code iterator for smin/smax.
 318         (minmax): New code attributes for min/max.
 319         (SMINMAX): Likewise.
 320         (smax<mode>3): Combine min, max insns into one insn using the
 321         fp_minmax code iterator.  Add support for ISA 3.0 min/max
 322         instructions that don't need -ffast-math.
 323         (s<minmax><mode>3): Likewise.
 324         (smax<mode>3_vsx): Likewise.
 325         (smin<mode>3): Likewise.
 326         (s<minmax><mode>3_vsx): Likewise.
 327         (smin<mode>3_vsx): Likewise.
 328         (pre-VSX min/max splitters): Likewise.
 329         (s<minmax><mode>3_fpr): Likewise.
 330         (movsfcc): Rewrite floating point conditional moves to combine
 331         SFmode/DFmode into a single insn.
 332         (mov<mode>cc): Likewise.
 333         (movdfcc): Likewise.
 334         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
 335         SFDF2 iterators to handle all combinations.
 336         (fseldfsf4): Likewise.
 337         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
 338         (fseldfdf4): Likewise.
 339         (fselsfdf4): Likewise.
 340         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
 341         comparison instructions that set a 0/-1 mask, and use it for
 342         floating point conditional move via XXSEL.
 343         (fpmask<mode>): Likewise.
 344         (xxsel<mode>): Likewise.
 345         * config/rs6000/predicates.md (min_max_operator): Delete, no
 346         longer used.
 347         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
 348         instructions that generate a 0/-1 mask for use with XXSEL.
 349         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
 350         say whether floating point min/max is available, either through
 351         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
 352         (TARGET_MINMAX_DF): Likewise.
 353
 354 2016-05-27  Alan Modra  <amodra@gmail.com>
 355
 356         PR rtl-optimization/71275
 357         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
 358         for update_equiv_regs and combine_and_move_insns.
 359
 360 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
 361
 362         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
 363         if_then_else or cond RTXes to calculate attribute value.
 364         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
 365         <attr "length_immediate>: Ditto.
 366         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
 367         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
 368         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
 369         <attr "type">: Ditto.
 370         <attr "prefix_data16">: Ditto.
 371         <attr "prefix_extra">: Ditto.
 372         <attr "length_immediate">: Ditto.
 373         <attr "prefix">: Ditto.
 374         (vec_set<mode>_0) <attr "isa">: Ditto.
 375         <attr "prefix_extra">: Ditto.
 376         <attr "length_immediate">: Ditto.
 377         <attr "prefix">: Ditto.
 378         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
 379         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
 380         (sse2_storelpd) <attr "prefix_data16">: Ditto.
 381         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
 382         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
 383         <attr "length_immediate">: Ditto.
 384         <attr "prefix">: Ditto.
 385         (sse2_movsd) <attr "length_immediate">: Ditto.
 386         <attr "prefix">: Ditto.
 387         (vec_concatv2df)  <attr "isa">: Ditto.
 388         <attr "prefix">: Ditto.
 389         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
 390         (*vec_extractv2di_1) <attr "isa">: Ditto.
 391         <attr "type">: Ditto.
 392         <attr "length_immediate">: Ditto.
 393         <attr "prefix_rex">: Ditto.
 394         <attr "prefix_extra">: Ditto.
 395         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
 396         <attr "prefix_extra">: Ditto.
 397         <attr "length_immediate">: Ditto.
 398         (vec_concatv2di) <attr "isa">: Ditto.
 399         <attr "prefix_extra">: Ditto.
 400         <attr "length_immediate">: Ditto.
 401         <attr "prefix">: Ditto.
 402
 403 2016-05-26  Martin Liska  <mliska@suse.cz>
 404
 405         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
 406         function.
 407         (operator+): Likewise.
 408         (operator-): Likewise.
 409         (comp_cost::operator+=): Likewise.
 410         (comp_cost::operator-=): Likewise.
 411         (comp_cost::operator/=): Likewise.
 412         (comp_cost::operator*=): Likewise.
 413         (operator<): Likewise.
 414         (operator==): Likewise.
 415         (operator<=): Likewise.
 416         (new_cost): Remove.
 417         (infinite_cost_p): Likewise.
 418         (add_costs): Likewise.
 419         (sub_costs): Likewise.
 420         (compare_costs): Likewise.
 421         (set_group_iv_cost): Use the newly introduced functions.
 422         (get_address_cost): Likewise.
 423         (get_shiftadd_cost): Likewise.
 424         (force_expr_to_var_cost): Likewise.
 425         (split_address_cost): Likewise.
 426         (ptr_difference_cost): Likewise.
 427         (difference_cost): Likewise.
 428         (get_computation_cost_at): Likewise.
 429         (determine_group_iv_cost_generic): Likewise.
 430         (determine_group_iv_cost_address): Likewise.
 431         (determine_group_iv_cost_cond): Likewise.
 432         (autoinc_possible_for_pair): Likewise.
 433         (determine_group_iv_costs): Likewise.
 434         (cheaper_cost_pair): Likewise.
 435         (iv_ca_recount_cost): Likewise.
 436         (iv_ca_set_no_cp): Likewise.
 437         (iv_ca_set_cp): Likewise.
 438         (iv_ca_cost): Likewise.
 439         (iv_ca_new): Likewise.
 440         (iv_ca_dump): Likewise.
 441         (iv_ca_narrow): Likewise.
 442         (iv_ca_prune): Likewise.
 443         (iv_ca_replace): Likewise.
 444         (try_add_cand_for): Likewise.
 445         (try_improve_iv_set): Likewise.
 446         (find_optimal_iv_set): Likewise.
 447
 448 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
 449
 450         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
 451         that internal functions will clobber all caller-saved registers.
 452
 453 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 454
 455         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
 456         Return a better case_values_threshold when optimizing.
 457
 458 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 459
 460         * config/aarch64/aarch64-simd.md (aarch64_combinez):
 461         Add ? to integer variant.
 462         (aarch64_combinez_be): Likewise.
 463
 464 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
 465
 466         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
 467         instead of x constraint.
 468         (vcvtps2ph256<mask_name>): Likewise.
 469
 470         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
 471         alternative.  Formatting fix.
 472
 473         * config/i386/sse.md
 474         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
 475         to ...
 476         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
 477         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
 478         maybe_evex prefix instead of vex.
 479         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
 480         EXT_REX_SSE_REG_P (op0) case in the splitter.
 481
 482 2016-05-25  Jeff Law  <law@redhat.com>
 483
 484         PR tree-optimization/71272
 485         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
 486         Update comments.  Add test for empty path.
 487
 488 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
 489
 490         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
 491         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
 492         special case builtin.
 493         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 494         code for ALTIVEC_BUILTIN_VEC_CMPNE.
 495         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 496         for __builtin_vec_cmpne.
 497
 498 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 499
 500         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
 501         redundant test and bail out if the type of the new operand is not
 502         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
 503
 504 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 505
 506         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
 507         (x_ix86_target_flags_explicit): Remove.
 508         * config/i386/i386.c (ix86_function_specific_save): Do not copy
 509         x_ix86_target_flags_explicit.
 510         (ix86_function_specific_restore): Ditto.
 511
 512 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 513             H.J. Lu  <hongjiu.lu@intel.com>
 514
 515         PR target/70738
 516         * common/config/i386/i386-common.c
 517         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
 518         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
 519         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
 520         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
 521         (-mgeneral-regs-only): Add new option.
 522         * config/i386/i386.c (ix86_option_override_internal): Don't enable
 523         x87 instructions if only general registers are allowed.
 524         (ix86_target_string): Add ix86_flags argument. Handle additional
 525         flags options through ix86_flags argument.  Update all callers.
 526         * doc/invoke.texi: Document -mgeneral-regs-only.
 527
 528 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 529
 530         PR rtl-optimization/66940
 531         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
 532         decrementing desired_val will not overflow before performing these
 533         operations.
 534
 535 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
 536
 537         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
 538         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
 539         * config/i386/i386.c (enum ix86_builtins): Add
 540         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
 541         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
 542         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
 543         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
 544         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
 545         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
 546         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
 547         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
 548         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
 549         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
 550         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
 551         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
 552         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
 553         __builtin_ia32_cvtps2dq512_mask.
 554         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
 555         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
 556         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
 557         * config/i386/sse.md
 558         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
 559         Rename to ...
 560         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
 561         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
 562         to ...
 563         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
 564         (avx512f_vec_pack_sfix_v8df): New define_expand.
 565         (avx512f_roundpd512): Rename to ...
 566         (avx512f_round<castmode>512): ... this.  Change iterator.
 567         (avx512f_roundps512_sfix): New define_expand.
 568         (round<mode>2_sfix): Change iterator.
 569
 570 2016-05-25  Nick Clifton  <nickc@redhat.com>
 571
 572         * config/msp430/msp430.c (msp430_attr): Produce an error if a
 573         static interrupt handler is detected.
 574         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
 575         default linker script.
 576         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
 577         the low part of a symbolic pointer.
 578
 579 2016-05-25  Richard Biener  <rguenther@suse.de>
 580
 581         PR tree-optimization/71261
 582         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
 583         interesting stmt instead of immediate uses when looking
 584         for the use operand to replace.
 585
 586 2016-05-25  Martin Liska  <mliska@suse.cz>
 587
 588         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
 589
 590 2016-05-25  Richard Biener  <rguenther@suse.de>
 591
 592         PR tree-optimization/71264
 593         * tree-vect-stmts.c (vect_init_vector): Properly deal with
 594         vector type val.
 595
 596 2016-05-25  Martin Liska  <mliska@suse.cz>
 597
 598         PR tree-optimization/71239
 599         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
 600         if DECL_SIZE is NULL.
 601
 602 2016-05-25  Richard Biener  <rguenther@suse.de>
 603
 604         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
 605         * tree-if-conv.c (pass_data_if_conversion): Use it.
 606
 607 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 608
 609         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
 610         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
 611         * varpool.c (varpool_node::get_availability): Likewise.
 612
 613 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 614
 615         * config/rs6000/altivec.md (VNEG iterator): New iterator for
 616         VNEGW/VNEGD instructions.
 617         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
 618         (neg<mode>2): Add expander for V2DImode added in ISA 2.06, and
 619         support for ISA 3.0 VNEGW/VNEGD instructions.
 620
 621 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
 622
 623         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
 624         pointers inside OACC_DATA regions.
 625         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
 626         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
 627         (gimplify_adjust_omp_clauses): Fix typo in comment.
 628
 629 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 630
 631         * config/rs6000/altivec.md (VParity): New mode iterator for vector
 632         parity built-in functions.
 633         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
 634         zeros.
 635         (p9v_parity<mode>2): Likewise.
 636         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
 637         parity.
 638         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
 639         (parity<mode>2): ISA 3.0 expander for vector parity.
 640         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
 641         power9 built-ins.
 642         (BU_P9_64BIT_MISC_0): Likewise.
 643         (BU_P9_MISC_0): Likewise.
 644         (BU_P9V_AV_1): Likewise.
 645         (BU_P9V_AV_2): Likewise.
 646         (BU_P9V_AV_3): Likewise.
 647         (BU_P9V_AV_P): Likewise.
 648         (BU_P9V_VSX_1): Likewise.
 649         (BU_P9V_OVERLOAD_1): Likewise.
 650         (BU_P9V_OVERLOAD_2): Likewise.
 651         (BU_P9V_OVERLOAD_3): Likewise.
 652         (VCTZB): Add vector count trailing zeros support.
 653         (VCTZH): Likewise.
 654         (VCTZW): Likewise.
 655         (VCTZD): Likewise.
 656         (VPRTYBD): Add vector parity support.
 657         (VPRTYBQ): Likewise.
 658         (VPRTYBW): Likewise.
 659         (VCTZ): Add overloaded vector count trailing zeros support.
 660         (VPRTYB): Add overloaded vector parity support.
 661         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 662         overloaded vector count trailing zeros and parity instructions.
 663         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
 664         vector parity support.
 665         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
 666         trailing zeros support.
 667         (vec_cntlz): Likewise.
 668         (vec_vctzb): Likewise.
 669         (vec_vctzd): Likewise.
 670         (vec_vctzh): Likewise.
 671         (vec_vctzw): Likewise.
 672         (vec_vprtyb): Add ISA 3.0 vector parity support.
 673         (vec_vprtybd): Likewise.
 674         (vec_vprtybw): Likewise.
 675         (vec_vprtybq): Likewise.
 676         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 677         the ISA 3.0 vector count trailing zeros and vector parity built-in
 678         functions.
 679
 680 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 681
 682         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
 683         when there is stmt_to_insert.
 684
 685 2016-05-24  Martin Sebor  <msebor@redhat.com>
 686
 687         PR c++/71147
 688         * tree.h (complete_or_array_type_p): New inline function.
 689
 690 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 691
 692         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
 693         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
 694         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
 695
 696         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
 697         Limit 1st alternative to noavx isa, split 2nd alternative into one
 698         noavx and one avx alternative, use *x and Bm in the former and
 699         x and m in the latter.
 700
 701         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
 702         of sse4 for the first alternative, drop %v from the template
 703         and d operand modifier.  Split second alternative into one sse4_noavx
 704         and one avx alternative, use *x instead of *v in the former and v
 705         instead of *v in the latter.
 706         (*sse4_1_extractps): Use noavx isa instead of * for the first
 707         alternative, drop %v from the template.  Split second alternative into
 708         one noavx and one avx alternative, use *x instead of *v in the
 709         former and v instead of *v in the latter.
 710         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
 711         with noavx and the last one with avx.
 712         (sse4_1_phminposuw): Guard first alternative with noavx isa,
 713         split the second one into one noavx and one avx alternative,
 714         use *x and Bm in the former and x and m in the latter one.
 715         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
 716         alternatives.
 717
 718         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
 719         first two alternatives to noavx, use *x instead of *v in the second
 720         one, add avx alternative without *.
 721         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
 722         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
 723         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
 724
 725 2016-05-24  Jeff Law  <law@redhat.com>
 726
 727         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
 728         New function, extracted from...
 729         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
 730         Allow simple copies and constant initializations in the SSA chain.
 731
 732 2016-05-24  Marek Polacek  <polacek@redhat.com>
 733
 734         PR c/71249
 735         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
 736         scope.
 737
 738 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 739
 740         PR c++/71257
 741         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
 742         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
 743         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
 744         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
 745         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
 746
 747 2016-05-24  Richard Biener  <rguenther@suse.de>
 748
 749         PR tree-optimization/71240
 750         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
 751         has integral type.
 752
 753 2016-05-24  Richard Biener  <rguenther@suse.de>
 754
 755         PR tree-optimization/71230
 756         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
 757
 758 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 759
 760         * tree-vectorizer.h (vectorizable_comparison): Delete.
 761         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
 762         PURE_SLP_STMT check.
 763         * tree-vect-stmts.c (vectorizable_call): Likewise.
 764         (vectorizable_simd_clone_call): Likewise.
 765         (vectorizable_conversion): Likewise.
 766         (vectorizable_assignment): Likewise.
 767         (vectorizable_shift): Likewise.
 768         (vectorizable_operation): Likewise.
 769         (vectorizable_load): Likewise.
 770         (vectorizable_condition): Likewise.
 771         (vectorizable_store): Likewise.  Assert that we don't have
 772         hybrid SLP.
 773         (vectorizable_comparison): Make static.  Remove redundant
 774         PURE_SLP_STMT check.
 775         (vect_transform_stmt): Assert that we always have an slp_node
 776         if PURE_SLP_STMT.
 777
 778 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 779
 780         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
 781         operands[2] against 1 with comparison against CONST1_RTX.
 782         (<shift>di3_neon): Likewise.
 783         * config/arm/predicates.md (const0_operand): Replace with comparison
 784         against CONST0_RTX.
 785
 786 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 787
 788         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
 789         operands[2] against 1 with comparison against CONST1_RTX.
 790         (ashrdi3): Likewise.
 791         (lshrdi3): Likewise.
 792         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
 793         UINTVAL.
 794         (ashrsi3): Likewise.
 795         (lshrsi3): Likewise.
 796         (rotrsi3): Likewise.
 797         (define_split above *compareqi_eq0): Likewise.
 798         (define_split above "prologue"): Likewise.
 799         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
 800         * config/arm/predicates.md (shift_operator): Likewise.
 801         (shift_nomul_operator): Likewise.
 802         (sat_shift_operator): Likewise.
 803         (thumb1_cmp_operand): Likewise.
 804         (const_neon_scalar_shift_amount_operand): Replace manual range
 805         check with IN_RANGE.
 806         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
 807         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
 808
 809 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 810
 811         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
 812         with HOST_WIDE_INT_1.
 813         (insv): Likewise.
 814         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
 815         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
 816         (arm_canonicalize_comparison): Likewise.
 817         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
 818         HOST_WIDE_INT_1.
 819         (thumb1_size_rtx_costs): Likewise.
 820         (vfp_const_double_index): Replace cast of 1 to unsigned
 821         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 822         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
 823         HOST_WIDE_INT_1.
 824         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
 825         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 826         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
 827         HOST_WIDE_INT with HOST_WIDE_INT_1.
 828
 829 2016-05-24  Marek Polacek  <polacek@redhat.com>
 830
 831         * tree-cfg.h (should_remove_lhs_p): New predicate.
 832         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
 833         * gimplify.c (gimplify_modify_expr): Likewise.
 834         * tree-cfg.c (verify_gimple_call): Likewise.
 835         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
 836         * gimple-fold.c: Include "tree-cfg.h".
 837         (gimple_fold_call): Use should_remove_lhs_p.
 838
 839 2016-05-24  Richard Biener  <rguenther@suse.de>
 840
 841         PR tree-optimization/71253
 842         * cfganal.h (control_dependences): Make robust against edge
 843         and BB removal.
 844         (control_dependences::control_dependences): Remove edge_list argument.
 845         (control_dependences::get_edge): Remove.
 846         (control_dependences::get_edge_src): Add.
 847         (control_dependences::get_edge_dest): Likewise.
 848         (control_dependences::m_el): Make a vector of edge src/dest index.
 849         * cfganal.c (control_dependences::find_control_dependence): Adjust.
 850         (control_dependences::control_dependences): Likewise.
 851         (control_dependences::~control_dependence): Likewise.
 852         (control_dependences::get_edge): Remove.
 853         (control_dependences::get_edge_src): Add.
 854         (control_dependences::get_edge_dest): Likewise.
 855         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
 856         get_edge_src.
 857         (perform_tree_ssa_dce): Adjust.
 858         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
 859         get_edge_src.
 860         (pass_loop_distribution::execute): Adjust.  Do loop destroying
 861         conditional on changed.
 862
 863 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 864
 865         PR target/69857
 866         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
 867         return.  Reindent transformation comment and mention the ARM state
 868         behavior.
 869
 870 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 871
 872         PR middle-end/71252
 873         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
 874         after build_and_add_sum creates new use stmt.
 875
 876 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 877
 878         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
 879         load_lanes/grouped_load classification comes first.  Don't check
 880         whether the vectorization factor is a multiple of the group size
 881         for load_lanes.
 882
 883 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 884
 885         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
 886         GROUP_GAP for single-element interleaving.
 887         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
 888         variable.
 889
 890 2016-05-24  Richard Biener  <rguenther@suse.de>
 891
 892         PR middle-end/70434
 893         PR c/69504
 894         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
 895         bases which are accessed with non-invariant indices.
 896         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
 897         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
 898
 899 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 900
 901         PR middle-end/71170
 902         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
 903         (add_to_ops_vec): Add stmt_to_insert.
 904         (add_repeat_to_ops_vec): Init stmt_to_insert.
 905         (insert_stmt_before_use): New.
 906         (transform_add_to_multiply): Remove mult_stmt insertion and add it
 907         to ops vector.
 908         (get_ops): Init stmt_to_insert.
 909         (maybe_optimize_range_tests): Likewise.
 910         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
 911         (rewrite_expr_tree_parallel): Likewise.
 912         (reassociate_bb): Likewise.
 913
 914 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 915
 916         PR target/71201
 917         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
 918         ISA 3.0 xxperm fusion alternative.
 919         (altivec_vperm_v8hiv16qi): Likewise.
 920         (altivec_vperm_<mode>_uns_internal): Likewise.
 921         (vperm_v8hiv4si): Likewise.
 922         (vperm_v16qiv8hi): Likewise.
 923
 924 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 925             Kelvin Nilsen  <kelvin@gcc.gnu.org>
 926
 927         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
 928         vpermr/xxpermr on ISA 3.0.
 929         (altivec_expand_vec_perm_le): Likewise.
 930         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
 931         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
 932         ISA 3.0.
 933
 934 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
 935
 936         * config/i386/i386.h (IS_STACK_MODE): Enable for
 937         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
 938         SSE_FLOAT_MODE_P macros.
 939         * config/i386/i386.c (ix86_preferred_reload_class): Use
 940         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
 941         Cleanup regclass processing for CONST_DOUBLE_P.
 942         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
 943         (ix86_rtx_costs): Remove redundant TARGET_80387 check
 944         with IS_STACK_MODE macro.
 945         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
 946         with TARGET_SSE2.
 947         (*movdf_internal): Use IS_STACK_MODE macro.
 948         (*movsf_internal): Ditto.
 949
 950 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
 951
 952         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
 953         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
 954
 955 2016-05-23  Jeff Law  <law@redhat.com>
 956
 957         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
 958         extracted from ...
 959         (fsm_find_control_statement_thread_paths): Call it.
 960
 961 2016-05-23  Martin Jambor  <mjambor@suse.cz>
 962
 963         PR ipa/71234
 964         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
 965         from_global_constant if t is not NULL.
 966
 967 2016-05-23  Marek Polacek  <polacek@redhat.com>
 968
 969         PR c/49859
 970         * common.opt (Wswitch-unreachable): New option.
 971         * doc/invoke.texi: Document -Wswitch-unreachable.
 972         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
 973         warning.
 974
 975 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
 976
 977         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
 978         TMR_INDEX is non-NULL.
 979
 980 2016-05-23  Richard Biener  <rguenther@suse.de>
 981
 982         PR tree-optimization/71230
 983         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
 984         (try_special_add_to_ops): ... here.  Always test for single-use.
 985
 986 2016-05-23  Martin Jambor  <mjambor@suse.cz>
 987
 988         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
 989         default block if a PHI node in the original one would be resized.
 990
 991 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 992
 993         PR tree-optimization/58135
 994         * tree-vect-slp.c: When group size is not multiple
 995         of vector size, allow splitting of store group at
 996         vector boundary.
 997
 998 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
 999
1000         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
1001
1002 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
1003
1004         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1005         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
1006         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
1007         of 64x2.
1008
1009         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
1010         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
1011         v constraint instead of x and vinserti32x4 insn.
1012
1013         * config/i386/sse.md (i128vldq): New mode iterator.
1014         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
1015         avx512dq and avx512vl alternatives.
1016
1017         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
1018         constraint, use maybe_evex prefix instead of vex.
1019         (vec_dupv4sf): Use v constraint instead of x for output
1020         operand except for noavx alternative, use Yv constraint
1021         instead of x for input.  Use maybe_evex prefix instead of vex.
1022         (*vec_dupv4si): Likewise.
1023         (*vec_dupv2di): Likewise.
1024
1025 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
1026
1027         PR middle-end/40921
1028         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
1029         (linearize_expr_tree): Call try_special_add_to_ops.
1030         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
1031
1032 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1033
1034         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
1035         to computed stack_usage.
1036
1037 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1038
1039         PR target/71103
1040         * config/avr/avr.md (define_expand "mov<mode>"): If the source
1041         operand is subreg (symbol_ref) then move the symbol ref to register.
1042
1043 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
1044
1045         * tree.c (array_at_struct_end_p): Look through MEM_REF.
1046
1047 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
1048
1049         PR middle-end/71179
1050         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
1051         VECTOR type.
1052
1053 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1054
1055         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
1056         ranges by calling get_single_symbol and tidy up.  Look more closely
1057         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
1058
1059 2016-05-20  Jeff Law  <law@redhat.com>
1060
1061         * bitmap.c (bitmap_find_bit): Remove useless test.
1062
1063 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
1064
1065         * function.c (thread_prologue_and_epilogue_insns): Commit the
1066         insertion of the epilogue.
1067
1068 2016-05-20  Martin Jambor  <mjambor@suse.cz>
1069
1070         PR tree-optimization/70884
1071         * tree-sra.c (initialize_constant_pool_replacements): Do not check
1072         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
1073         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
1074         of constant pool data as a reason for scalarization.
1075
1076 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1077
1078         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
1079         for naked functions.
1080         (thumb1_expand_prologue): Likewise.
1081
1082 2016-05-20  Nathan Sidwell  <nathan@acm.org>
1083
1084         * config/nvptx/nptx.c (nvptx_option_override): Only set
1085         flag_toplevel_reorder, if not explicitly specified.  Set
1086         flag_no_common, unless explicitly specified.
1087
1088 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1089
1090         * calls.c (can_implement_as_sibling_call_p): Mark param
1091         reg_parm_stack_space with ATTRIBUTE_UNUSED.
1092
1093 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
1094
1095         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
1096         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
1097         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
1098         constants.
1099         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
1100         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
1101         and CASE_CONST_ANY.
1102
1103 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
1104
1105         * config/nvptx/nvptx.md (sincossf3): New pattern.
1106
1107 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1108
1109         * calls.c (maybe_complain_about_tail_call): New function.
1110         (initialize_argument_information): Call
1111         maybe_complain_about_tail_call when clearing *may_tailcall.
1112         (can_implement_as_sibling_call_p): Call
1113         maybe_complain_about_tail_call when returning false.
1114         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
1115         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
1116         if tail-call optimization fails.
1117         * cfgexpand.c (expand_call_stmt): Initialize
1118         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
1119         * gimple-pretty-print.c (dump_gimple_call): Dump
1120         gimple_call_must_tail_p.
1121         * gimple.c (gimple_build_call_from_tree): Call
1122         gimple_call_set_must_tail with the value of
1123         CALL_EXPR_MUST_TAIL_CALL.
1124         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
1125         (gimple_call_set_must_tail): New function.
1126         (gimple_call_must_tail_p): New function.
1127         * print-tree.c (print_node): Update printing of TREE_STATIC
1128         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
1129         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
1130         trailing comment listing applicable flags.
1131         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
1132
1133 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1134
1135         * calls.c (expand_call): Move "Rest of purposes for tail call
1136         optimizations to fail" to...
1137         (can_implement_as_sibling_call_p): ...this new function, and
1138         split into multiple "if" statements.
1139
1140 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1141
1142         * cfgloop.h (expected_loop_iterations_unbounded,
1143         expected_loop_iterations): Unconstify.
1144         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
1145         profile with known upper bound; return 3 when profile is absent.
1146         (expected_loop_iterations): Update.
1147
1148 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1149
1150         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
1151         and get_max_loop_iterations_int.
1152
1153 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1154
1155         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
1156         realistic upper bounds here.
1157
1158 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1159
1160         PR c++/71210
1161         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1162         calls if the LHS is variable length or has addressable type.
1163         If targets[0]->decl is a noreturn call with void return type and
1164         zero arguments, adjust fntype and remove lhs in that case.
1165
1166 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
1167
1168         PR tree-optimization/71079
1169         PR tree-optimization/71206
1170         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
1171
1172 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1173
1174         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
1175         (get_vec_alignment_for_array_decl): Likewise.
1176         (get_vec_alignment_for_record_decl): Likewise.
1177         (increase_alignment::execute): Move code to find alignment to
1178         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
1179         (type_align_map): New hash_map.
1180
1181 2016-05-20  Richard Guenther  <rguenther@suse.de>
1182
1183         PR tree-optimization/29756
1184         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
1185         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
1186         * fold-const.c (operand_equal_p): Likewise.
1187         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
1188         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
1189         * tree-inline.c (estimate_operator_cost): Likewise.
1190         * tree-pretty-print.c (dump_generic_node): Likewise.
1191         * tree-ssa-operands.c (get_expr_operands): Likewise.
1192         * cfgexpand.c (expand_debug_expr): Likewise.
1193         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
1194         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
1195         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
1196         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
1197         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
1198         (execute_update_addresses_taken): Do it.
1199
1200 2016-05-20  Richard Biener  <rguenther@suse.de>
1201
1202         PR tree-optimization/71185
1203         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
1204         register operations.
1205
1206 2016-05-20  Richard Biener  <rguenther@suse.de>
1207
1208         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
1209         gimple_seq_add_seq_without_update.
1210         (release_bb_predicate): Assert we have no operands to free.
1211         (if_convertible_loop_p_1): Calculate post dominators later.
1212         Do not free BB predicates here.
1213         (combine_blocks): Do not recompute BB predicates.
1214         (version_loop_for_if_conversion): Save BB predicates around
1215         loop versioning.
1216
1217 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1218
1219         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
1220         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
1221         code.  Ignore sibcalls on EDGE_IGNORE edges.
1222         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
1223         on edges for sibcalls that run without prologue.  The rest of the
1224         function is combined from...
1225         (fix_fake_fallthrough_edge): ... this, and ...
1226         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
1227         function argument, make it a local variable.
1228
1229 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
1230
1231         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
1232         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
1233         for 32-bit mode and SEH for 64-bit.
1234         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
1235         TARGET_64BIT_DEFAULT.
1236
1237 2016-05-19  Ryan Burn  <contact@rnburn.com>
1238
1239         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
1240         * gengtype.c (open_base_files): Add cilk.h to ifiles.
1241
1242 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
1243
1244         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1245         force pending loads from memory.
1246
1247 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1248
1249         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1250         (UNSPEC_DARN_32): New unspec constant.
1251         (UNSPEC_DARN_RAW): New unspec constant.
1252         (darn_32): New instruction.
1253         (darn_raw): New instruction.
1254         (darn): New instruction.
1255         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1256         support and documentation for this macro.
1257         (BU_P9_MISC_1): New macro definition.
1258         (BU_P9_64BIT_MISC_0): New macro definition.
1259         (BU_P9_MISC_0): New macro definition.
1260         (darn_32): New builtin definition.
1261         (darn_raw): New builtin definition.
1262         (darn): New builtin definition.
1263         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1264         RS6000_BUILTIN_0 directives to surround each occurrence of
1265         #include "rs6000-builtin.def".
1266         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1267         RS6000_BTM_64BIT flags to the returned mask, depending on
1268         configuration.
1269         (def_builtin): Correct an error in the assignments made to the
1270         debugging variable attr_string.
1271         (rs6000_expand_builtin): Add support for no-operand built-in
1272         functions.
1273         (builtin_function_type): Remove fatal_error assertion that is no
1274         longer valid.
1275         (rs6000_common_init_builtins): Add support for no-operand built-in
1276         functions.
1277         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1278         definition.
1279         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1280         definition.
1281         (RS6000_BTM_64BIT): New macro definition.
1282         * doc/extend.texi: Document __builtin_darn (void),
1283         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1284         functions.
1285
1286 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
1287
1288         * tree-vect-loop.c (vect_analyze_loop_2): Use also
1289         max_loop_iterations_int.
1290
1291 2016-05-19  Marek Polacek  <polacek@redhat.com>
1292
1293         PR tree-optimization/71031
1294         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
1295         condition and adjust the code a bit.
1296
1297 2016-05-19  Martin Liska  <mliska@suse.cz>
1298
1299         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
1300         auto_vec instead of vec.
1301
1302 2016-05-19  Martin Liska  <mliska@suse.cz>
1303
1304         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
1305
1306 2016-05-19  Martin Liska  <mliska@suse.cz>
1307
1308         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
1309
1310 2016-05-19  Martin Liska  <mliska@suse.cz>
1311
1312         * ipa-pure-const.c (set_function_state): Remove an existing
1313         funct_state.
1314         (remove_node_data): Do not free it as it's released
1315         in set_function_state.
1316
1317 2016-05-19  Martin Liska  <mliska@suse.cz>
1318
1319         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
1320         bitmap.
1321
1322 2016-05-19  Martin Liska  <mliska@suse.cz>
1323
1324         * omp-simd-clone.c (simd_clone_adjust): Release vector.
1325
1326 2016-05-19  Martin Liska  <mliska@suse.cz>
1327
1328         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
1329         an auto_vec instead of re-creating it.
1330
1331 2016-05-19  Martin Liska  <mliska@suse.cz>
1332
1333         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
1334         auto_vec instead of vec.
1335
1336 2016-05-19  Martin Liska  <mliska@suse.cz>
1337
1338         * lto-section-in.c (lto_get_section_data): Call
1339         lto_check_version with additional argument.
1340         * lto-streamer.c (lto_check_version): Add new argument.
1341         * lto-streamer.h (lto_check_version): Likewise.
1342
1343 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1344
1345         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
1346         Don't add cost of inner memory when handling sign-extended loads.
1347
1348 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
1349
1350         PR rtl-optimization/71148
1351         * cse.c (cse_main): Free dominance info.
1352         (rest_of_handle_cse): Don't free dominance info.
1353         (rest_of_handle_cse2): Likewise.
1354         (rest_of_handle_cse_after_global_opts): Likewise.
1355
1356 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1357
1358         PR target/71056
1359         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1360         NULL_TREE early if NEON is not available.  Remove now redundant check
1361         in ARM_CHECK_BUILTIN_MODE.
1362
1363 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
1364
1365         PR sanitizer/64354
1366         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
1367         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
1368         * doc/cpp.texi: Document new macros.
1369
1370 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
1371
1372         PR tree-optimization/69848
1373         * tree-vect-loop.c (vectorizable_reduction): Don't factor
1374         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
1375
1376 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1377
1378         * function.c (thread_prologue_and_epilogue_insn): Move the
1379         "goto epilogue_done" one block later.
1380
1381 2016-05-19  Richard Biener  <rguenther@suse.de>
1382
1383         PR tree-optimization/70729
1384         * passes.def: Move LIM pass before PRE.  Remove no longer
1385         required copyprop and move first DCE out of the loop pipeline.
1386
1387 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
1388
1389         PR driver/69265
1390         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
1391         (OBJS-libcommon-target): ...here.
1392         * opts-common.c: Include spellcheck.h.
1393         (cmdline_handle_error): Build a vec of valid options and use it
1394         to suggest provide hints for misspelled arguments.
1395
1396 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR c++/71100
1399         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
1400         lhs if it has TREE_ADDRESSABLE type.
1401
1402 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1403
1404         PR target/71145
1405         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
1406         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
1407
1408 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1409
1410         PR ipa/69708
1411         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
1412         input for NOP_EXPR pass-through functions.
1413         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
1414         aggregate global constant VAR_DECLs in constant jump functions.
1415
1416 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1417
1418         PR ipa/69708
1419         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
1420         from TREE_READONLY parameters.
1421
1422 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1423
1424         PR ipa/69708
1425         * cgraph.h (cgraph_indirect_call_info): New field
1426         guaranteed_unmodified.
1427         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
1428         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1429         appropriate.
1430         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
1431         pass the parameter value to ipa_find_agg_cst_for_param.
1432         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
1433         guaranteed_unmodified, store AA results there instead of bailing out
1434         if present.
1435         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
1436         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
1437         (find_constructor_constant_at_offset): New function.
1438         (ipa_find_agg_cst_from_init): Likewise.
1439         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
1440         static initializers of contants, report back through a new paameter
1441         from_global_constant if that was the case.
1442         (try_make_edge_direct_simple_call): Also pass parameter value to
1443         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1444         appropriate.
1445         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
1446         (ipa_read_indirect_edge_info): Likewise.
1447         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
1448         (ipa_load_from_parm_agg): Likewise.
1449
1450 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
1451
1452         PR rtl-optimization/71150
1453         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
1454         check.
1455
1456 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1457
1458         PR target/70915
1459         * config/rs6000/constraints.md (wE constraint): New constraint
1460         for a vector constant that can be loaded with XXSPLTIB.
1461         (wM constraint): New constraint for a vector constant of a 1's.
1462         (wS constraint): New constraint for a vector constant that can be
1463         loaded with XXSPLTIB and a vector sign extend instruction.
1464         * config/rs6000/predicates.md (xxspltib_constant_split): New
1465         predicates for wE/wS constraints.
1466         (xxspltib_constant_nosplit): Likewise.
1467         (easy_vector_constant): Add support for constants that can be
1468         loaded via XXSPLTIB.
1469         (all_ones_constant): New predicate for vector constant with all
1470         1's set.
1471         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1472         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1473         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1474         instruction and possibly with a sign extension.
1475         (output_vec_const_move): Add support for XXSPLTIB. If we are
1476         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1477         instead of XXLXOR/XXLORC.
1478         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1479         operations.
1480         (rs6000_legitimize_reload_address): Likewise.
1481         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1482         constants.
1483         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1484         combine VSX_M and VSX_M2 into one iterator.
1485         (VSX_M2): Likewise.
1486         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1487         (VSINT_842): Likewise.
1488         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1489         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1490         XXSPLTIB instruction.
1491         (xxspltib_<mode>_nosplit): Likewise.
1492         (xxspltib_<mode>_split): New insn to load up constants with
1493         XXSPLTIB and a sign extend instruction.
1494         (vsx_mov<mode>): Replace single move that handled all vector types
1495         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1496         moves (when -mvsx-timode is in effect) into the main vector
1497         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1498         preferred register class (<VSr>) is listed first, and the
1499         secondary register class (<VSa>) is listed second with a '?' to
1500         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1501         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1502         that if the register was involved in a slow operation, the
1503         clear/set operation does not wait for the slow operation to
1504         finish.  Adjust the length attributes for 32-bit mode.  Use
1505         rs6000_output_move_128bit and drop the use of the string
1506         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1507         spacing so that the alternatives and attributes don't generate
1508         long lines, and put things in columns, so that it is easier to
1509         match up the operands and attributes with the insn alternatives.
1510         (vsx_mov<mode>_64bit): Likewise.
1511         (vsx_mov<mode>_32bit): Likewise.
1512         (vsx_movti_64bit): Fold movti into normal vector moves.
1513         (vsx_movti_32bit): Likewise.
1514         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1515         splat instructions.
1516         (vsx_splat_v4si_internal): Likewise.
1517         (vsx_splat_v4sf_internal): Likewise.
1518         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1519         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1520         extend vector elements.
1521         (vsx_sign_extend_hi_<mode>): Likewise.
1522         (vsx_sign_extend_si_v2di): Likewise.
1523         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1524         declaration.
1525         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1526         constraints.  Add trailing period to wL documentation.
1527
1528 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
1529
1530         PR middle-end/71020
1531         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
1532         * tree-dfa.c (replace_abnormal_ssa_names): New function.
1533         * tree-call-cdce.c: Include tree-dfa.h.
1534         (can_guard_call_p): New function, extracted from...
1535         (can_use_internal_fn): ...here.
1536         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
1537         and return void.
1538         (shrink_wrap_one_built_in_call): Likewise.
1539         (use_internal_fn): Likewise.
1540         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
1541         and return void.  Call replace_abnormal_ssa_names.
1542         (pass_call_cdce::execute): Check can_guard_call_p during the
1543         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
1544         will always change something.
1545
1546 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1547
1548         PR ipa/70646
1549         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
1550         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
1551
1552 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1553
1554         PR ipa/70646
1555         * ipa-inline.h (condition): New field size.
1556         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
1557         for comaprison and store it into the new condition.
1558         (evaluate_conditions_for_known_args): Use condition size to check
1559         access sizes for all but CHANGED conditions.
1560         (unmodified_parm_1): New parameter size_p, store access size into it.
1561         (unmodified_parm): Likewise.
1562         (unmodified_parm_or_parm_agg_item): Likewise.
1563         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
1564         (set_cond_stmt_execution_predicate): Extract access sizes and store
1565         them to conditions.
1566         (set_switch_stmt_execution_predicate): Likewise.
1567         (will_be_nonconstant_expr_predicate): Likewise.
1568         (will_be_nonconstant_predicate): Likewise.
1569         (inline_read_section): Stream condition size.
1570         (inline_write_summary): Likewise.
1571
1572 2016-05-18  Richard Biener  <rguenther@suse.de>
1573
1574         * tree-ssa-loop-im.c (determine_max_movement): Properly add
1575         condition cost to PHI cost instead of total_cost.
1576
1577 2016-05-18  Martin Liska  <mliska@suse.cz>
1578
1579         PR fortran/70856
1580         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
1581         merged variables.
1582
1583 2016-05-18  Richard Biener  <rguenther@suse.de>
1584
1585         * lto-streamer.h (LTO_major_version): Bump to 6.
1586
1587 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1588
1589         * function.c (make_split_prologue_seq, make_prologue_seq,
1590         make_epilogue_seq): New functions, factored out from...
1591         (thread_prologue_and_epilogue_insns): Here.
1592
1593 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1594
1595         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
1596         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
1597         of before.  Add a comment.
1598
1599 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
1600
1601         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
1602         expression pointer, not pointer to the pointer.
1603
1604 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1605
1606         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
1607         (avx2_pbroadcast<mode>): Add another alternative with v instead
1608         of x constraints in it, using <pbroadcast_evex_isa> isa.
1609         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
1610
1611         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
1612         constraint x instead of v in second alternative, add avx512bw
1613         alternative.
1614
1615         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
1616         constraint x instead of v in second alternative, add avx512bw
1617         alternative.
1618
1619         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
1620         constraint x instead of v in second alternative, add avx512bw
1621         alternative.
1622
1623         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
1624         avx512bw alternative.
1625
1626 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1627
1628         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
1629         array to 128 chars.
1630         (define_insn "*andnottf3"): Ditto.
1631         (define_insn "*<code><mode>3"/any_logic): Ditto.
1632         (define_insn "*<code>tf3"/any_logic): Ditto.
1633         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
1634         operand to block AVX-512VL insn variant emit when it is not enabled.
1635
1636 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1637
1638         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
1639         constraint fot SF mode.
1640
1641 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
1642             Kirill Yukhin  <kirill.yukhin@intel.com>
1643
1644         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
1645         modifiers.
1646         (define_insn "rsqrt14<mode>"): Ditto.
1647         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
1648         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
1649         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
1650         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
1651         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
1652         Ditto.
1653         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
1654         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
1655         * config/i386/i386.c (ix86_print_operand): Expand check for size
1656         override codes for Intel syntax.
1657
1658 2016-05-18  Richard Biener  <rguenther@suse.de>
1659
1660         PR tree-optimization/71168
1661         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
1662         initialization earlier.
1663
1664 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
1665
1666         * config/aarch64/aarch64-simd.md
1667         (aarch64_reduc_plus_internal<mode>): Rename to...
1668         (reduc_plus_scal): ...This, and remove previous implementation.
1669
1670 2016-05-18  Richard Biener  <rguenther@suse.de>
1671
1672         * passes.def: Put late dse and cd_dce in canonical order.
1673
1674 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
1675
1676         * ipa-inline-transform.c (preserve_function_body_p): Look for
1677         first non-thunk clone.
1678         (save_function_body): Save into first non-thunk.
1679         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
1680         up call stmt id.
1681         (lto_output_node): Inline thunks don't need body in every
1682         partition.
1683         * lto-streamer-in.c: Do not fixup thunk clones.
1684         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
1685         thunks.
1686         * tree-inline.c (copy_bb): Be prepared for target node to be new after
1687         folding suceeds.
1688
1689 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1690
1691         PR middle-end/63586
1692         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
1693         (reassociate_bb): Call transform_add_to_multiply.
1694
1695 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1696
1697         * config/aarch64/aarch64.c (all_extensions): Removed unused
1698         static variable.
1699
1700 2016-05-17  Nathan Sidwell  <nathan@acm.org>
1701
1702         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
1703         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
1704
1705 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
1706
1707         PR tree-optimization/54579
1708         PR middle-end/55299
1709         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
1710
1711 2016-05-17  Marek Polacek  <polacek@redhat.com>
1712
1713         PR ipa/71146
1714         * tree-inline.c (expand_call_inline): Call
1715         maybe_remove_unused_call_args.
1716
1717 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
1718
1719         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
1720         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
1721         * doc/md.texi (fmin@var{m}3): Likewise.
1722
1723 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1724
1725         * match.pd (X & C): New transformation.
1726
1727 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1728
1729         * match.pd (~X & Y): New transformation.
1730
1731 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1732
1733         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
1734         information for new SSA_NAME.
1735         (simplify_conversion_using_ranges): Get range through get_range_info
1736         instead of get_value_range.
1737
1738 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1739
1740         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
1741         Remove inline assembly.
1742         (vmvn_s16): Likewise.
1743         (vmvn_s32): Likewise.
1744         (vmvn_u8): Likewise.
1745         (vmvn_u16): Likewise.
1746         (vmvn_u32): Likewise.
1747         (vmvnq_s8): Likewise.
1748         (vmvnq_s16): Likewise.
1749         (vmvnq_s32): Likewise.
1750         (vmvnq_u8): Likewise.
1751         (vmvnq_u16): Likewise.
1752         (vmvnq_u32): Likewise.
1753         (vmvn_p8): Likewise.
1754         (vmvnq_p16): Likewise.
1755
1756 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1757
1758         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
1759         Use builtin.
1760         (vmul_n_s16): Likewise.
1761         (vmul_n_s32): Likewise.
1762         (vmul_n_u16): Likewise.
1763         (vmul_n_u32): Likewise.
1764         (vmulq_n_f32): Likewise.
1765         (vmulq_n_f64): Likewise.
1766         (vmulq_n_s16): Likewise.
1767         (vmulq_n_s32): Likewise.
1768         (vmulq_n_u16): Likewise.
1769         (vmulq_n_u32): Likewise.
1770
1771 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1772
1773         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
1774         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
1775
1776 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1777
1778         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
1779         to *aarch64_fma4_elt_from_dup<mode>.
1780         (*aarch64_fnma4_elt_to_128df): Rename to
1781         *aarch64_fnma4_elt_from_dup<mode>.
1782         * config/aarch64/arm_neon.h (vfma_n_f64): New.
1783         (vfms_n_f32): Likewise.
1784         (vfms_n_f64): Likewise.
1785         (vfmsq_n_f32): Likewise.
1786         (vfmsq_n_f64): Likewise.
1787
1788 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
1789
1790         * wide-int.h: Change fixed_wide_int_storage from class to struct.
1791
1792 2016-05-17  Richard Biener  <rguenther@suse.de>
1793
1794         PR tree-optimization/71132
1795         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
1796         Only add control dependences for blocks in the loop.
1797         (build_rdg): Adjust.
1798         (generate_code_for_partition): Return whether loop should
1799         be destroyed and delay that.
1800         (distribute_loop): Likewise.
1801         (pass_loop_distribution::execute): Record loops to be destroyed
1802         and perform delayed destroying of loops.
1803
1804 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1805
1806         PR target/70809
1807         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
1808
1809 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1810
1811         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
1812
1813 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
1814
1815         PR target/71114
1816         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
1817         insertion point for instructions generated by validize_mem.
1818
1819 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1820
1821         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
1822         in brackets.
1823
1824 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1825
1826         * config/aarch64/aarch64.c
1827         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
1828         rather than a macro.
1829
1830 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1831
1832         * doc/invoke.texi (AArch64 Options): Various updates.
1833
1834 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1835
1836         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
1837         into instrumentation thunks.
1838         * cif-code.def (CIF_CHKP): New.
1839
1840 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
1843
1844 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1845
1846         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
1847         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
1848
1849 2016-05-16  Marek Polacek  <polacek@redhat.com>
1850
1851         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
1852         commentary.
1853
1854 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1855
1856         PR hsa/70857
1857         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
1858         the outlined kernel function.
1859
1860 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
1861
1862         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
1863         (ISA_HAS_DLSA): Ditto.
1864
1865 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1866
1867         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
1868
1869 2016-05-16  Nathan Sidwell  <nathan@acm.org>
1870
1871         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
1872         (nvptx_name_replacement): Restore.  Add comment.
1873         (write_fn_proto, write_fn_proto_from_insn,
1874         nvptx_output_call_insn): Restore
1875         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
1876
1877 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1878
1879         * config/aarch64/aarch64.md
1880         (add<mode>3_compareC_cconly_imm): Remove use of %w.
1881         (add<mode>3_compareC_imm): Likewise.
1882         (<optab>si3_uxtw): Split into register and immediate variants.
1883         (andsi3_compare0_uxtw): Likewise.
1884         (and<mode>3_compare0): Likewise.
1885         (and<mode>3nr_compare0): Likewise.
1886         (stack_protect_test_<mode>): Don't use %x for memory operands.
1887
1888 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1889
1890         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
1891
1892 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1893
1894         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
1895         Split integer shifts into shift_reg and bfm.
1896         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
1897         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
1898         (ror<mode>3_insn): Likewise.
1899         (<optab>si3_insn_uxtw): Likewise.
1900         (<optab><mode>3_insn): Change to rotate_imm.
1901         (extr<mode>5_insn_alt): Likewise.
1902         (extrsi5_insn_uxtw): Likewise.
1903         (extrsi5_insn_uxtw_alt): Likewise.
1904
1905 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1906
1907         * doc/tm.texi: Regenerate.
1908         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
1909         (TARGET_INVALID_RETURN_TYPE): Remove.
1910         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
1911         TARGET_INVALID_RETURN_TYPE.
1912         * target.def (invalid_parameter_type): Remove.
1913         (invalid_return_type): Remove.
1914
1915 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1916
1917         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
1918         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
1919         calls from thunk.
1920         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
1921         gimple body.
1922         (preserve_function_body_p): No need to preserve function body
1923         * cif-codes.def (CIF_THUNK): Remove.
1924         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
1925
1926 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1927
1928         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
1929
1930 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1931
1932         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
1933         for thunks.
1934
1935 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1936
1937         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
1938         (inline_small_functions): Do not look for function symbol when
1939         resetting caches.
1940
1941 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1942
1943         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
1944         of inline thunks
1945
1946 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1947             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1948             Jiong Wang  <jiong.wang@arm.com>
1949
1950         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
1951         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
1952         Define __ARM_FP16_ARGS when appropriate.
1953         * config/arm/arm.c (arm_invalid_parameter_type): Remove
1954         declaration.
1955         (arm_invalid_return_type): Likewise.
1956         (TARGET_INVALID_PARAMETER_TYPE): Remove.
1957         (TARGET_INVALID_RETURN_TYPE): Remove.
1958         (aapcs_vfp_sub_candidate): Allow HFmode.
1959         (aapcs_vfp_allocate): Add comment.  Support HFmode.
1960         (aapcs_vfp_allocate_return_reg): Likewise.
1961         (struct aapcs_cp_arg_layout): Slightly reword comments for
1962         is_return_candidate and allocate_return_reg.
1963         (output_mov_vfp): Update assert.
1964         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
1965         condition.
1966         (arm_invalid_parameter_type): Remove.
1967         (amr_invalid_return_type): Remove.
1968         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
1969         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
1970         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
1971
1972 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1973
1974         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
1975         * config/aarch64/arch64-protos.h
1976         (aarch64_legitimize_reload_address): Remove.
1977         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
1978         Remove.
1979
1980 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1981
1982         * configure.ac: Add ACX_NONCANONICAL_HOST.
1983         * configure: Regenerate.
1984         * Makefile.in: Set host_noncanonical.
1985
1986 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
1987
1988         PR target/71097
1989         * config/i386/i386.md (*movtf_internal): Before register allocation,
1990         do not allow FP constants for CM_MEDIUM memory model, allow only
1991         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
1992         (*movxf_internal): Ditto.
1993         (*movdf_internal): Ditto.
1994         (*movsf_internal): Ditto.
1995
1996 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
1997
1998         PR rtl-optimization/67483
1999         * combine.c (make_compound_operation): Don't call extract_left_shift
2000         with negative shift amounts.
2001
2002 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
2003
2004         PR bootstrap/71071
2005         * fold-const.c (fold_checksum_tree): Allow modification
2006         of TYPE_ALIAS_SET during folding.
2007
2008         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
2009         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
2010         (ix86_split_to_parts): Likewise.  Fix up formatting.
2011
2012 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2013
2014         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
2015         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
2016         printf format.
2017
2018 2016-05-13  Nathan Sidwell  <nathan@acm.org>
2019
2020         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
2021         (nvptx_name_replacement): Delete.
2022         (write_fn_proto, write_fn_proto_from_insn,
2023         nvptx_output_call_insn): Remove nvptx_name_replacement call.
2024         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
2025         * langhooks.c (add_builtin_funcction_common): Call
2026         targetm.mangle_decl_assembler_name.
2027
2028         * config/nvptx/nvptx.c (write_fn_proto): Handle
2029         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
2030
2031 2016-05-13  Martin Liska  <mliska@suse.cz>
2032
2033         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
2034         and PRIu64 in printf format.
2035
2036 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2037
2038         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
2039         comment.
2040
2041 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2042
2043         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2044         Change --param max-completely-peeled-times to
2045         --param max-completely-peel-times in dump file printing.
2046
2047 2016-05-13  Richard Biener  <rguenther@suse.de>
2048
2049         PR tree-optimization/42587
2050         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
2051         (find_bswap_or_nop_1): Likewise.
2052         (bswap_replace): Likewise.
2053
2054 2016-05-13  Martin Liska  <mliska@suse.cz>
2055
2056         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
2057         Initialize a variable with default value.
2058
2059 2016-05-13  Martin Liska  <mliska@suse.cz>
2060
2061         * doc/invoke.texi: Enhance explanation of error recovery
2062         of sanitizers.
2063
2064 2016-05-13  Martin Liska  <mliska@suse.cz>
2065
2066         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
2067         (struct cost_pair): Change inv_expr_id (int) to inv_expr
2068         (iv_inv_expr_ent *).
2069         (struct iv_inv_expr_ent): Comment struct fields.
2070         (sort_iv_inv_expr_ent): New function.
2071         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
2072         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
2073         a hash_map between iv_inv_expr_ent and number of usages.
2074         (niter_for_exit): Fix coding style.
2075         (tree_ssa_iv_optimize_init): Use renamed variable.
2076         (determine_base_object): Fix coding style.
2077         (alloc_iv): Likewise.
2078         (find_interesting_uses_outside): Likewise.
2079         (add_candidate_1): Likewise.
2080         (add_standard_iv_candidates): Likewise.
2081         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
2082         (prepare_decl_rtl): Fix coding style.
2083         (get_address_cost): Likewise.
2084         (get_shiftadd_cost): Likewise.
2085         (force_expr_to_var_cost): Likewise.
2086         (compare_aff_trees): Likewise.
2087         (get_expr_id): Restructure the function.
2088         (get_loop_invariant_expr_id): Renamed to
2089         get_loop_invariant_expr.
2090         (get_computation_cost_at): Replace usage of inv_expr_id with
2091         inv_expr.
2092         (get_computation_cost): Likewise.
2093         (determine_group_iv_cost_generic): Likewise.
2094         (determine_group_iv_cost_address): Likewise.
2095         (iv_period): Fix coding style.
2096         (iv_elimination_compare_lt): Likewise.
2097         (may_eliminate_iv): Likewise.
2098         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
2099         inv_expr.
2100         (determine_group_iv_costs): Dump invariant expressions.
2101         (iv_ca_recount_cost): Use the newly added hash_map.
2102         (iv_ca_set_remove_invariants): Fix coding style.
2103         (iv_ca_set_add_invariants): Fix coding style.
2104         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
2105         invariants.
2106         (iv_ca_set_cp): Likewise.
2107         (iv_ca_new): Initialize the newly added hash_map and remove
2108         initialization of fields.
2109         (iv_ca_free): Delete the hash_map.
2110         (iv_ca_dump): Dump invariant expressions.
2111         (iv_ca_extend): Fix coding style.
2112         (try_add_cand_for): Likewise.
2113         (create_new_ivs): Dump information about # of avg iterations and
2114         # of used invariant expressions.
2115         (rewrite_use_compare): Fix coding style.
2116         (free_loop_data): Set default value for max_inv_expr_id.
2117
2118 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2119
2120         * cse.c (rest_of_handle_cse): Use cleanup_cfg
2121         returned value cse_cfg_altered computation.
2122         (rest_of_handle_cse2): Likewise.
2123         (rest_of_handle_cse_after_global_opts): Likewise.
2124
2125 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2126
2127         PR target/53440
2128         * config/arm/arm.c (arm32_output_mi_thunk): New.
2129         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
2130         to split Thumb1 vs TARGET_32BIT functionality.
2131         (arm_thumb1_mi_thunk): New.
2132
2133 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2134
2135         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
2136         to true.
2137
2138 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2139
2140         PR target/71080
2141         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
2142
2143 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
2144
2145         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
2146         (expand_builtin_trap): Emit a regular call.
2147         (set_builtin_user_assembler_name): Remove obsolete cases.
2148         * dse.c (scan_insn): Adjust.
2149         * except.c: Include calls.h.
2150         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
2151         emit a regular call to setjmp.
2152         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
2153         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
2154         (emit_block_move_via_libcall): Delete.
2155         (block_move_fn): Delete.
2156         (init_block_move_fn): Likewise.
2157         (emit_block_move_libcall_fn): Likewise.
2158         (emit_block_op_via_libcall): New function.
2159         (set_storage_via_libcall): Tidy up and use memset builtin.
2160         (block_clear_fn): Delete.
2161         (init_block_clear_fn): Likewise.
2162         (clear_storage_libcall_fn): Likewise.
2163         (expand_assignment): Call emit_block_move_via_libcall.
2164         Do not include gt-expr.h.
2165         * expr.h (emit_block_op_via_libcall): Declare.
2166         (emit_block_copy_via_libcall): New inline function.
2167         (emit_block_move_via_libcall): Likewise.
2168         (emit_block_comp_via_libcall): Likewise.
2169         (block_clear_fn): Delete.
2170         (init_block_move_fn): Likewise.
2171         (init_block_clear_fn): Likewise.
2172         (emit_block_move_via_libcall): Likewise.
2173         (set_storage_via_libcall): Add default parameter value.
2174         * libfuncs.h (enum libfunc_index): Remove obsolete values.
2175         (abort_libfunc): Delete.
2176         (memcpy_libfunc): Likewise.
2177         (memmove_libfunc): Likewise.
2178         (memcmp_libfunc): Likewise.
2179         (memset_libfunc): Likewise.
2180         (setbits_libfunc): Likewise.
2181         (setjmp_libfunc): Likewise.
2182         (longjmp_libfunc): Likewise.
2183         (profile_function_entry_libfunc): Likewise.
2184         (profile_function_exit_libfunc): Likewise.
2185         (gcov_flush_libfunc): Likewise.
2186         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
2187         and DECL_VISIBILITY on the declaration.
2188         (init_optabs): Do not initialize obsolete libfuncs.
2189         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
2190         * tree-core.h (ECF_RET1): Define.
2191         (ECF_TM_PURE): Adjust.
2192         (ECF_TM_BUILTIN): Likewise.
2193         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
2194         (build_common_builtin_nodes): Initialize abort builtin.
2195         Add ECF_RET1 on memcpy, memmove and memset builtins.
2196         Pass final flags for alloca and alloca_with_align builtins.
2197         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
2198         obsolete builtins.
2199         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
2200         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
2201         set_storage_via_libcall and call emit_block_copy_via_libcall.
2202
2203 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
2204
2205         * config/i386/i386.md (*call_got_x32): Change operand 0 to
2206         DImode before it is passed to ix86_output_call_operand.
2207         (*call_value_got_x32): Ditto for operand 1.
2208
2209 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
2210
2211         PR rtl-optimization/70904
2212         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
2213         reload for wide mode.
2214
2215 2016-05-12  Marek Polacek  <polacek@redhat.com>
2216
2217         PR c/70756
2218         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
2219         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
2220         * langhooks.h (incomplete_type_error): Likewise.
2221         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
2222         parameter, pass it down to incomplete_type_error.
2223         * tree.h (size_in_bytes): New inline overload.
2224         (size_in_bytes_loc): Renamed from size_in_bytes.
2225
2226 2016-05-12  Richard Biener  <rguenther@suse.de>
2227
2228         PR tree-optimization/71059
2229         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
2230         nary before looking up or entering the expression into the VN
2231         hashes.
2232         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
2233         Make sure to re-use NARYs without result as inserted by
2234         phi-translation.
2235
2236 2016-05-12  Richard Biener  <rguenther@suse.de>
2237
2238         PR tree-optimization/71062
2239         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
2240         field.
2241         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2242         vars_contains_restrict if the var is a restrict tag.
2243         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
2244         do not disambiguate pointers against it.
2245         (dump_points_to_solution): Re-structure and adjust for new
2246         vars_contains_restrict flag.
2247         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
2248
2249 2016-05-12  Martin Liska  <mliska@suse.cz>
2250
2251         * doc/invoke.texi: Explain connection between
2252         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
2253
2254 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2255
2256         PR tree-optimization/71006
2257         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2258         consider COND_EXPR as a mask producer.
2259
2260 2016-05-12  Marek Polacek  <polacek@redhat.com>
2261
2262         PR driver/71063
2263         * opts.c (common_handle_option): Detect missing argument for --help^.
2264
2265 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2266
2267         PR target/70830
2268         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2269         when popping the PC and within an interrupt handler routine.
2270         Add missing tab to output of "ldmfd".
2271         (output_return_instruction): Output LDMFD with SP update rather
2272         than POP when returning from interrupt handler.
2273
2274 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
2275
2276         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
2277         TARGET_64BIT && TARGET_AVX512DQ.
2278         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
2279         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
2280         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
2281         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
2282         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
2283         (*vec_extractv4si_zext): Add avx512dq alternative.
2284         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
2285         use v instead of x constraint in other alternatives where possible.
2286
2287         * config/i386/sse.md (sse2_loadld): Use v instead of x
2288         constraint in alternatives 0,1,4.
2289
2290         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
2291         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
2292         v constraints instead of x and <pinsr_evex_isa> isa attribute.
2293
2294         PR target/71019
2295         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
2296         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
2297         is not emitted unless TARGET_AVX512BW.
2298         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
2299         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
2300         for the result operand.
2301
2302         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
2303         constraint instead of x in avx alternatives.  Use maybe_evex instead
2304         of vex prefix.
2305
2306         * config/i386/constraints.md (Yv): New constraint.
2307         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
2308         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
2309         * config/i386/i386.md (avx512fvecmode): New mode attr.
2310         (*pushtf): Use v constraint instead of x.
2311         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
2312         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
2313         (*absneg<mode>2): Use Yv constraint instead of x constraint.
2314         (*absnegtf2_sse): Likewise.
2315         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
2316         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
2317         avx512f alternatives.
2318         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
2319
2320 2016-05-12  Richard Biener  <rguenther@suse.de>
2321
2322         PR tree-optimization/71060
2323         * tree-data-ref.c (initialize_data_dependence_relation): Do not
2324         require exact match of DR_BASE_OBJECT but only matching address and
2325         type.
2326
2327 2016-05-12  Richard Biener  <rguenther@suse.de>
2328
2329         PR tree-optimization/70986
2330         * cfganal.c: Include cfgloop.h.
2331         (dfs_find_deadend): Prefer to take edges exiting loops.
2332
2333 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2334
2335         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
2336         compile and run time.
2337
2338 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
2339
2340         PR c/43651
2341         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
2342
2343 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
2344
2345         * config/i386/i386.c (legitimize_pic_address): Use
2346         copy_to_suggested_reg instead of gen_movsi.
2347
2348 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2349
2350         * config/rs6000/predicates.md (quad_memory_operand): Move most of
2351         the code into quad_address_p and call it to share code with
2352         vsx_quad_dform_memory_operand.
2353         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
2354         d-form support.
2355         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
2356         bit instead of being a separate word.  Split -mpower9-dform into
2357         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2358         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
2359         for the register class supporting 128-bit quad word memory offsets.
2360         (mode_supports_vsx_dform_quad): Helper function to return if the
2361         register class uses quad word memory offsets.
2362         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
2363         (rs6000_debug_reg_global): Always print if we are using LRA or not.
2364         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
2365         instructions are enabled, set up the appropriate addr_masks for
2366         128-bit types.
2367         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
2368         -mpower9-dform-scalar, instead of -mpower9-dform.
2369         (rs6000_option_override_internal): Split -mpower9-dform into two
2370         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
2371         -mpower9-dform switch sets or clears both.  If we are not using
2372         the LRA register allocator, do not enable -mpower9-dform-vector by
2373         default.  If we are using LRA, enable -mpower9-dform-vector and
2374         -mvsx-timode if it is appropriate.  Issue a warning if either
2375         -mpower9-dform-vector or -mvsx-timode are explicitly used without
2376         enabling LRA.
2377         (quad_address_offset_p): New helper function to return if the
2378         offset is legal for quad word memory instructions.
2379         (quad_address_p): New function to determin if GPR or vector
2380         register quad word memory addresses are legal.
2381         (mem_operand_gpr): Validate quad word address offsets.
2382         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
2383         d-form (register + offset) instructions.
2384         (offsettable_ok_by_alignment): Likewise.
2385         (rs6000_legitimate_offset_address_p): Likewise.
2386         (legitimate_lo_sum_address_p): Likewise.
2387         (rs6000_legitimize_address): Likewise.
2388         (rs6000_legitimize_reload_address): Add more debug statements for
2389         -mdebug=addr.
2390         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
2391         d-form instructions.
2392         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
2393         d-form instructions.  Distinguish different cases in debug
2394         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
2395         d-form instructions.
2396         (rs6000_preferred_reload_class): Likewise.
2397         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
2398         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
2399         of the ISA 2.06 indexed memory instructions.
2400         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
2401         use them to save/restore the saved vector registers instead of
2402         using Altivec instructions.
2403         (rs6000_emit_epilogue): Likewise.
2404         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
2405         (rs6000_opt_masks): Split -mpower9-dform into
2406         -mpower9-dform-scalar and -mpower9-dform-vector.
2407         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
2408         was not selected.
2409         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
2410         ISA 3.0 vector indexed memory instructions, and fold the code into
2411         the normal mov<mode> patterns.
2412         (p9_vecstore_<mode>): Likewise.
2413         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
2414         instructions.
2415         (vsx_movti_64bit): Likewise.
2416         (vsx_movti_32bit): Likewise.
2417         * config/rs6000/constraints.md (wO constraint): New constraint for
2418         ISA 3.0 vector d-form support.
2419         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
2420         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
2421         include -mpower9-dform-vector until we switch over to LRA.
2422         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
2423         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2424         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
2425         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2426         for -mpower9-dform and -mlra.
2427         * doc/md.texi (wO constraint): Document wO constraint.
2428
2429 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
2430
2431         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
2432         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
2433         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
2434         Move handling of non-insn arguments inline into the sole user:
2435         (output_trans_func): ...here.
2436         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
2437         in emitted function prototype.
2438         (output_internal_insn_latency_func): Ditto.  Simplify.
2439         (output_internal_maximal_insn_latency_func): Ditto.  Delete
2440         always-unused argument.
2441         (output_insn_latency_func): Ditto.
2442         (output_maximal_insn_latency_func): Ditto.
2443
2444 2016-05-11  Richard Biener  <rguenther@suse.de>
2445
2446         PR tree-optimization/71055
2447         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
2448         sth with precision not equal to access size verify we don't chop
2449         off bits.
2450
2451 2016-05-11  Richard Biener  <rguenther@suse.de>
2452
2453         PR debug/71057
2454         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
2455         (dwarf2out_finish): Move retry_incomplete_types call ...
2456         (dwarf2out_early_finish): ... here.
2457
2458 2016-05-11  Richard Biener  <rguenther@suse.de>
2459
2460         PR middle-end/71002
2461         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
2462         if the langhook insists on it.
2463         * fold-const.c (make_bit_field_ref): Add arg for the original
2464         reference and preserve its alias-set.
2465         (decode_field_reference): Take exp by reference and adjust it
2466         to the original memory reference.
2467         (optimize_bit_field_compare): Adjust callers.
2468         (fold_truth_andor_1): Likewise.
2469         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
2470
2471 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2472
2473         PR middle-end/70807
2474         * cfgrtl.h (delete_insn_and_edges): Now return bool.
2475         * cfgrtl.c (delete_insn_and_edges): Likewise.
2476         * config/i386/i386.c (convert_scalars_to_vector): Remove
2477         redundant code.
2478         * cse.c (cse_insn): Compute cse_cfg_altered.
2479         (delete_trivially_dead_insns): Likewise.
2480         (cse_cc_succs): Likewise.
2481         (rest_of_handle_cse): Free dominance info if required.
2482         (rest_of_handle_cse2): Likewise.
2483         (rest_of_handle_cse_after_global_opts): Likewise.
2484
2485 2016-05-11  Alan Modra  <amodra@gmail.com>
2486
2487         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2488         abi_v4_pass_in_fpr): New functions.
2489         (rs6000_function_arg_boundary): Exclude complex IBM long double
2490         from 64-bit alignment when ABI_V4.
2491         (rs6000_function_arg, rs6000_function_arg_advance_1,
2492         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2493
2494 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
2495
2496         PR rtl-optimization/71028
2497         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
2498         jump with just a return in the fallthrough block if the branch
2499         block contains just a return as well.
2500
2501 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
2502
2503         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
2504         * match.pd ((X & Y) ^ Y): ... this.
2505         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
2506         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
2507
2508 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2509
2510         * read-md.c (require_char_ws): New function.
2511         (read_string): Simplify using require_char_ws.
2512         (handle_constants): Likewise.
2513         (handle_enum): Likewise.
2514         (handle_file): Likewise.
2515         * read-md.h (require_char_ws): New declaration.
2516         * read-rtl.c (read_conditions): Simplify using require_char_ws.
2517         (read_mapping): Likewise.
2518         (read_rtx_code): Likewise.
2519         (read_nested_rtx): Likewise.
2520
2521 2016-05-10  James Norris  <jnorris@codesourcery.com>
2522
2523         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2524         if offloading is enabled and -fopenacc or -fopenmp is specified.
2525         (CRTOFFLOADEND): Likewise.
2526         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2527         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2528
2529 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
2530
2531         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
2532         gotoff_operand code paths.  Use copy_to_suggested_regs and
2533         expand_simple_binop where appropriate.  Cleanup.
2534
2535 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2536
2537         PR target/70799
2538         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
2539         integer constants.
2540         (dimode_scalar_chain::vector_const_cost): New.
2541         (dimode_scalar_chain::compute_convert_gain): Handle constants.
2542         (dimode_scalar_chain::convert_op): Likewise.
2543         (dimode_scalar_chain::convert_insn): Likewise.
2544
2545 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2546
2547         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
2548         unary operation, not a binary one.
2549
2550 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2551
2552         PR middle-end/70877
2553         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2554         calls with type casted fndecl.
2555
2556 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2557
2558         PR tree-optimization/70786
2559         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2560         * calls.c (initialize_argument_information): Bind bounds
2561         with corresponding args passed by reference.
2562
2563 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2564
2565         PR target/70927
2566         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
2567         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
2568         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
2569         accordingly.
2570
2571 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2572
2573         PR target/70963
2574         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2575         code for a zero scale factor.
2576         (vsx_xvcvdpuxds_scale): Likewise.
2577
2578 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2579
2580         * diagnostic-show-locus.c (layout::layout): Call show_ruler
2581         if show_ruler_p was set on the context.
2582         (layout::show_ruler): New method.
2583         * diagnostic.h (struct diagnostic_context): Add field
2584         "show_ruler_p".
2585
2586 2016-05-10  Richard Biener  <rguenther@suse.de>
2587
2588         PR tree-optimization/71039
2589         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
2590         (chk_uses): New function.
2591         (propagate_with_phi): Verify we can safely replicate the lhs of an
2592         aggregate assignment on all incoming edges.
2593
2594 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
2595
2596         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
2597         Forward declare.
2598         (rx_atomic_sequence): New class.
2599         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
2600         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
2601         non-inline.
2602         (rx_atomic_sequence::rx_atomic_sequence,
2603         rx_atomic_sequence::~rx_atomic_sequence): New functions.
2604         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
2605         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
2606         CTRLREG_INTB): New constants.
2607         (FETCHOP): New code iterator.
2608         (fethcop_name, fetchop_name2): New iterator code attributes.
2609         (QIHI): New mode iterator.
2610         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
2611         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
2612         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
2613
2614 2016-05-10  Martin Liska  <mliska@suse.cz>
2615
2616         * tree-inline.c (remap_dependence_clique): Do not remap
2617         debugging statements.
2618
2619 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2620
2621         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2622         ("*fixuns_truncdfdi2_z13")
2623         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2624         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2625         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2626
2627 2016-05-10  Richard Biener  <rguenther@suse.de>
2628
2629         PR tree-optimization/70497
2630         PR tree-optimization/28367
2631         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
2632         split out from ...
2633         (visit_reference_op_load): ... here.
2634         (vn_reference_lookup_3): Use it to handle subreg-like accesses
2635         with simplified BIT_FIELD_REFs.
2636         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
2637         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
2638         correctly.
2639
2640 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2641
2642         * dwarf2out.c (add_abstract_origin_attribute): Adjust
2643         documentation comment.  For BLOCK nodes, add a
2644         DW_AT_abstract_origin attribute that points to the DIE generated
2645         for the origin BLOCK.
2646         (gen_lexical_block_die): Call add_abstract_origin_attribute for
2647         blocks from inlined functions.
2648
2649 2016-05-10  Alan Modra  <amodra@gmail.com>
2650
2651         PR target/70947
2652         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2653         regrename modifying insns saving lr before __morestack call.
2654         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2655         insns restoring lr after __morestack call.
2656
2657 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
2658
2659         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
2660         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
2661         expanders.
2662         * config/i386/sse.md (vec_interleave_high<mode>,
2663         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
2664         <avx512>_vpermt2var<mode>3_maskz): Likewise.
2665
2666 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2667
2668         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
2669         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
2670         parallel reassociation for power8 and forward.
2671
2672 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2673
2674         * config/i386/i386.md (absneg splitters with general regs): Use
2675         general_reg_operand predicate.
2676         (btsq peephole2): Use x86_64_immediate_operand to check if new
2677         value is suitable for immediate operand.  Generate emitted insn
2678         using RTL expressions.
2679         (btcq peephole2): Ditto.
2680         (btrq peephole2): Ditto.  Generate correct immediate operand
2681         for AND masking.
2682
2683 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2684
2685         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
2686         bitpos.
2687
2688 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2689
2690         * tree-affine.c (wide_int_constant_multiple_p): Add missing
2691         pointer dereference.
2692
2693 2016-05-09  Richard Biener  <rguenther@suse.de>
2694
2695         PR tree-optimization/70985
2696         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
2697         op0 isn't a gimple register.
2698
2699 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
2700
2701         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
2702         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
2703         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
2704         (i6400_fpu_mult): New cpu units.
2705         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
2706         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
2707         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
2708         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
2709         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
2710         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
2711         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
2712         (i6400_msa_long_float4, i6400_msa_long_float5)
2713         (i6400_msa_long_float8, i6400_msa_fdiv_df)
2714         (i6400_msa_fdiv_sf): New reservations.
2715         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
2716         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
2717         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
2718         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
2719         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
2720         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
2721         (msa_short_cmp, msa_short_float2, msa_short_logic3)
2722         (msa_short_store4, msa_long_load, msa_short_store)
2723         (msa_long_logic, msa_long_float2, msa_long_float4)
2724         (msa_long_float5, msa_long_float8, msa_long_mult)
2725         (msa_long_fdiv, msa_long_div): New reservations.
2726
2727 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
2728             Sameera Deshpande  <sameera.deshpande@imgtec.com>
2729             Matthew Fortune  <matthew.fortune@imgtec.com>
2730             Graham Stott  <graham.stott@imgtec.com>
2731             Chao-ying Fu  <chao-ying.fu@imgtec.com>
2732
2733         * config.gcc: Add MSA header file for mips*-*-* target.
2734         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
2735         (Ubv8i, Urv8):  New constraints.
2736         * config/mips/mips-ftypes.def: Add function types for MSA
2737         builtins.
2738         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
2739         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
2740         * config/mips/mips-msa.md: New file.
2741         * config/mips/mips-protos.h
2742         (mips_split_128bit_const_insns): New prototype.
2743         (mips_msa_idiv_insns): Likewise.
2744         (mips_split_128bit_move): Likewise.
2745         (mips_split_128bit_move_p): Likewise.
2746         (mips_split_msa_copy_d): Likewise.
2747         (mips_split_msa_insert_d): Likewise.
2748         (mips_split_msa_fill_d): Likewise.
2749         (mips_expand_msa_branch): Likewise.
2750         (mips_const_vector_same_val_p): Likewise.
2751         (mips_const_vector_same_bytes_p): Likewise.
2752         (mips_const_vector_same_int_p): Likewise.
2753         (mips_const_vector_shuffle_set_p): Likewise.
2754         (mips_const_vector_bitimm_set_p): Likewise.
2755         (mips_const_vector_bitimm_clr_p): Likewise.
2756         (mips_msa_vec_parallel_const_half): Likewise.
2757         (mips_msa_output_division): Likewise.
2758         (mips_ldst_scaled_shift): Likewise.
2759         (mips_expand_vec_cond_expr): Likewise.
2760         * config/mips/mips.c (enum mips_builtin_type): Add
2761         MIPS_BUILTIN_MSA_TEST_BRANCH.
2762         (mips_gen_const_int_vector_shuffle): New prototype.
2763         (mips_const_vector_bitimm_set_p): New function.
2764         (mips_const_vector_bitimm_clr_p): Likewise.
2765         (mips_const_vector_same_val_p): Likewise.
2766         (mips_const_vector_same_bytes_p): Likewise.
2767         (mips_const_vector_same_int_p): Likewise.
2768         (mips_const_vector_shuffle_set_p): Likewise.
2769         (mips_symbol_insns): Forbid loading symbols via immediate for
2770         MSA.
2771         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
2772         stores.
2773         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
2774         MSA.
2775         (mips_lx_address_p): Add support load indexed address for MSA.
2776         (mips_address_insns): Add calculation of instructions needed for
2777         stores and loads for MSA.
2778         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
2779         CONST_VECTOR for MSA and let it fall through.
2780         (mips_ldst_scaled_shift): New function.
2781         (mips_subword_at_byte): Likewise.
2782         (mips_msa_idiv_insns): Likewise.
2783         (mips_legitimize_move): Validate MSA moves.
2784         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
2785         calculation of costs for MSA division.
2786         (mips_split_move_p): Check if MSA moves need splitting.
2787         (mips_split_move): Split MSA moves if necessary.
2788         (mips_split_128bit_move_p): New function.
2789         (mips_split_128bit_move): Likewise.
2790         (mips_split_msa_copy_d): Likewise.
2791         (mips_split_msa_insert_d): Likewise.
2792         (mips_split_msa_fill_d): Likewise.
2793         (mips_output_move): Handle MSA moves.
2794         (mips_expand_msa_branch): New function.
2795         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
2796         Reinstate 'y' modifier.
2797         (mips_file_start): Add MSA .gnu_attribute.
2798         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
2799         FPRs.
2800         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
2801         (mips_class_max_nregs): Add register size for MSA supported mode.
2802         (mips_cannot_change_mode_class): Allow conversion between MSA
2803         vector modes and TImode.
2804         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
2805         instruction.
2806         (mips_secondary_reload_class): Force MSA loads/stores via memory.
2807         (mips_preferred_simd_mode): Add preffered modes for MSA.
2808         (mips_vector_mode_supported_p): Add MSA supported modes.
2809         (mips_autovectorize_vector_sizes): New function.
2810         (mips_msa_output_division): Likewise.
2811         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
2812         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
2813         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
2814         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
2815         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
2816         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
2817         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
2818         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
2819         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
2820         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
2821         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
2822         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
2823         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
2824         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
2825         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
2826         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
2827         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
2828         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
2829         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
2830         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
2831         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
2832         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
2833         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
2834         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
2835         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
2836         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
2837         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
2838         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
2839         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
2840         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
2841         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
2842         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
2843         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
2844         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
2845         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
2846         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
2847         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
2848         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
2849         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
2850         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
2851         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
2852         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
2853         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
2854         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
2855         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2856         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2857         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2858         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2859         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2860         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2861         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2862         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2863         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
2864         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
2865         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
2866         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
2867         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
2868         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
2869         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
2870         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
2871         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
2872         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
2873         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
2874         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
2875         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
2876         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
2877         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
2878         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
2879         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
2880         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
2881         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
2882         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
2883         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
2884         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
2885         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
2886         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
2887         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
2888         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
2889         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
2890         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
2891         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
2892         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
2893         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
2894         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
2895         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
2896         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
2897         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
2898         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
2899         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
2900         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
2901         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
2902         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
2903         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
2904         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
2905         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
2906         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
2907         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
2908         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
2909         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
2910         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
2911         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
2912         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
2913         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
2914         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
2915         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
2916         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
2917         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
2918         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
2919         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
2920         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
2921         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
2922         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
2923         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
2924         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
2925         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
2926         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
2927         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
2928         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
2929         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
2930         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
2931         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
2932         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
2933         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
2934         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
2935         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
2936         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
2937         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
2938         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
2939         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
2940         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
2941         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
2942         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
2943         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
2944         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
2945         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
2946         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
2947         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
2948         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
2949         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
2950         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
2951         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
2952         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
2953         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
2954         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
2955         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
2956         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
2957         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
2958         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
2959         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
2960         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
2961         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
2962         move_v builtins.
2963         (mips_get_builtin_decl_index): New array.
2964         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
2965         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
2966         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
2967         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
2968         (mips_init_builtins): Initialize mips_get_builtin_decl_index
2969         array.
2970         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
2971         hook.
2972         (mips_expand_builtin_insn): Prepare operands for
2973         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
2974         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
2975         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
2976         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
2977         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
2978         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
2979         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
2980         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
2981         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
2982         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
2983         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
2984         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
2985         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
2986         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
2987         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
2988         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
2989         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
2990         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
2991         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
2992         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
2993         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
2994         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
2995         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
2996         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
2997         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
2998         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
2999         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
3000         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
3001         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
3002         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
3003         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
3004         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
3005         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
3006         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
3007         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
3008         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
3009         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
3010         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
3011         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
3012         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
3013         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
3014         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
3015         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
3016         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
3017         These are set implicitly and an error is reported if overridden.
3018         (mips_expand_builtin_msa_test_branch): New function.
3019         (mips_expand_msa_shuffle): Likewise.
3020         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
3021         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
3022         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
3023         (mips_expand_vec_unpack): Add support for MSA.
3024         (mips_expand_vector_init): Likewise.
3025         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
3026         instead of const0_rtx.
3027         (mips_msa_vec_parallel_const_half): New function.
3028         (mips_gen_const_int_vector): Likewise.
3029         (mips_gen_const_int_vector_shuffle): Likewise.
3030         (mips_expand_msa_cmp): Likewise.
3031         (mips_expand_vec_cond_expr): Likewise.
3032         * config/mips/mips.h
3033         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
3034         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
3035         specified.
3036         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
3037         (ISA_HAS_MSA): New macro.
3038         (UNITS_PER_MSA_REG): Likewise.
3039         (BITS_PER_MSA_REG): Likewise.
3040         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
3041         (MSA_REG_FIRST): New macro.
3042         (MSA_REG_LAST): Likewise.
3043         (MSA_REG_NUM): Likewise.
3044         (MSA_REG_P): Likewise.
3045         (MSA_REG_RTX_P): Likewise.
3046         (MSA_SUPPORTED_MODE_P): Likewise.
3047         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
3048         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
3049         * config/mips/mips.md: Include mips-msa.md.
3050         (alu_type): Add simd_add.
3051         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
3052         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
3053         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
3054         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
3055         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
3056         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
3057         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
3058         simd_move, simd_load, simd_store.  Choose "multi" for moves
3059         for "qword_mode".
3060         (qword_mode): New attribute.
3061         (insn_count): Add instruction count for quad moves.
3062         Increase the count for MIPS SIMD division.
3063         (UNITMODE): Add UNITMODEs for vector types.
3064         (addsub): New code iterator.
3065         * config/mips/mips.opt (mmsa): New option.
3066         * config/mips/msa.h: New file.
3067         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
3068         specified.
3069         * config/mips/mti-linux.h: Likewise.
3070         * config/mips/predicates.md
3071         (const_msa_branch_operand): New constraint.
3072         (const_uimm3_operand): Likewise.
3073         (const_uimm4_operand): Likewise.
3074         (const_uimm5_operand): Likewise.
3075         (const_uimm8_operand): Likewise.
3076         (const_imm5_operand): Likewise.
3077         (aq10b_operand): Likewise.
3078         (aq10h_operand): Likewise.
3079         (aq10w_operand): Likewise.
3080         (aq10d_operand): Likewise.
3081         (const_m1_operand): Likewise.
3082         (reg_or_m1_operand): Likewise.
3083         (const_exp_2_operand): Likewise.
3084         (const_exp_4_operand): Likewise.
3085         (const_exp_8_operand): Likewise.
3086         (const_exp_16_operand): Likewise.
3087         (const_vector_same_val_operand): Likewise.
3088         (const_vector_same_simm5_operand): Likewise.
3089         (const_vector_same_uimm5_operand): Likewise.
3090         (const_vector_same_uimm6_operand): Likewise.
3091         (const_vector_same_uimm8_operand): Likewise.
3092         (par_const_vector_shf_set_operand): Likewise.
3093         (reg_or_vector_same_val_operand): Likewise.
3094         (reg_or_vector_same_simm5_operand): Likewise.
3095         (reg_or_vector_same_uimm6_operand): Likewise.
3096         * doc/extend.texi (MIPS SIMD Architecture Functions): New
3097         section.
3098         * doc/invoke.texi (-mmsa): Document new option.
3099
3100 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3101
3102         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
3103         * configure: Regenerate.
3104         * config.in: Regenerate.
3105         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
3106         on -fvtable-verify.
3107         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
3108         (ENDFILE_VTV_SPEC): Define.
3109
3110 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
3111
3112         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
3113         registers in all interrupt handlers if necessary.
3114         (rl78_option_override): Add warning.
3115         (MUST_SAVE_MDUC_REGISTERS): New macro.
3116         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
3117         * config/rl78/rl78.c (check_mduc_usage): New function.
3118         (mduc_regs): New structure to hold MDUC register data.
3119         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
3120         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
3121         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
3122         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
3123         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
3124         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
3125
3126 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
3127
3128         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
3129         (tree-ssa-loop-niter.h): Ditto.
3130         (idx_within_array_bound, ref_within_array_bound): New functions.
3131         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
3132         Factor out check on writable base object to ...
3133         (base_object_writable): ... here.
3134
3135 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3136
3137         * config/arm/arm.md (probe_stack): Add modes to set source
3138         and destination.
3139
3140 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
3141
3142         * regrename.c (base_reg_class_for_rename): New static function.
3143         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
3144
3145 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
3146
3147         * cgraph.c (thunk_adjust): Export.
3148         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
3149         * cgraphunit.c (thunk_adjust): Export.
3150         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
3151         thunks.
3152         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
3153         inlinable.
3154         * tree-inline.c (expand_call_inline): Expand thunks inline.
3155
3156 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
3157
3158         PR target/70998
3159         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
3160         (*sse2_vd_cvtss2sd): Ditto.
3161         * config/i386/i386.md
3162         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
3163         Generate *sse2_vd_cvtsd2ss pattern.
3164         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
3165         Generate *sse2_vd_cvtss2sd pattern.
3166
3167 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3168
3169         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
3170         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
3171         users.
3172
3173 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3174
3175         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
3176         * config/sh/sh.c: Define and declare variables on first use throughout
3177         the file.
3178         (current_function_interrupt): Change to bool type.
3179         (frame_insn): Rename to emit_frame_insn and update users.
3180         (push_regs): Use bool for 'interrupt_handler' argument.
3181         (save_schedule_s): Remove.
3182         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
3183         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
3184         targetm.asm_out.unaligned_op.di.
3185         (gen_far_branch): Remove redundant forward declaration.
3186         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
3187         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
3188         (sh_set_return_address, sh_function_ok_for_sibcall,
3189         scavenge_reg): Update comments.
3190         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
3191         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
3192         (sh_attr_renesas_p): Remove unnecessary parentheses.
3193         (branch_dest): Simplify.
3194         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
3195         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
3196         (CUMULATIVE_ARGS): Change macro to typedef.
3197         (current_function_interrupt): Change to bool type.
3198         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
3199         Surround with __cplusplus ifdef.
3200         (sh_compare_op0, sh_compare_op1): Remove.
3201         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
3202
3203 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
3204
3205         * config/arm/arm.md: (arch): Add neon.
3206         (arch_enabled): Return yes for arch neon when TARGET_NEON.
3207         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
3208         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
3209         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
3210         attributes for alt renumbering.  Mark alt 3 as non-predicable.
3211         (thumb2_movdf_vfp): Likewise.
3212
3213 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
3214
3215         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
3216         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
3217         (*andqi_1): Add preferred_for_speed attribute to disparage
3218         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
3219         (*<code>qi_1): Ditto.
3220         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
3221         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
3222         (*ashlqi3_1): Ditto.
3223         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
3224         Add preferred_for_size attribute to disparage alternative 0 and
3225         preferred_for_speed attribute to disparage alternative 1 for
3226         TARGET_PARTIAL_REG_STALL targets.
3227
3228 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3229
3230         PR tree-optimization/70956
3231         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3232         def.
3233
3234 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3235
3236         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
3237         * config/sh/sh.c (sh_cbranch_distance): Implement it.
3238         * config/sh/sh.md (branch_zero): Remove define_attr.
3239         (define_delay): Disable delay slot if branch distance is one insn.
3240
3241 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3242
3243         * config/i386/i386.md (LEAMODE): New mode attribute.
3244         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
3245         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
3246         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
3247         operand 2 predicate.
3248         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
3249         (*lea<mode>_general_3): Ditto.
3250         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
3251
3252 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3253
3254         * genmddump.c (main): Convert argv from char ** to const char **.
3255
3256 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3257
3258         * coretypes.h (OVERRIDE): New macro.
3259         (FINAL): New macro.
3260
3261 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3262
3263         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
3264         allow coalescing if the types are compatible.
3265
3266 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3267
3268         * pass_manager.h (pass_manager::register_pass_name): New method.
3269         (pass_manager::get_pass_by_name): New method.
3270         (pass_manager::create_pass_tab): New method.
3271         (pass_manager::m_name_to_pass_map): New field.
3272         * passes.c (name_to_pass_map): Delete global in favor of field
3273         "m_name_to_pass_map" of pass_manager.
3274         (register_pass_name): Rename from a function to...
3275         (pass_manager::register_pass_name): ...this method, updating
3276         for renaming of global "name_to_pass_map" to field
3277         "m_name_to_pass_map".
3278         (create_pass_tab): Rename from a function to...
3279         (pass_manager::create_pass_tab): ...this method, updating
3280         for renaming of global "name_to_pass_map" to field.
3281         (get_pass_by_name): Rename from a function to...
3282         (pass_manager::get_pass_by_name): ...this method.
3283         (enable_disable_pass): Convert use of get_pass_by_name to
3284         a method call, locating the pass_manager singleton.
3285
3286 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3287
3288         * genattr-common.c (main): Convert argv from char ** to const char **.
3289         * genattr.c (main): Likewise.
3290         * genattrtab.c (main): Likewise.
3291         * genautomata.c (initiate_automaton_gen): Likewise.
3292         (main): Likewise.
3293         * gencodes.c (main): Likewise.
3294         * genconditions.c (main): Likewise.
3295         * genconfig.c (main): Likewise.
3296         * genconstants.c (main): Likewise.
3297         * genemit.c (main): Likewise.
3298         * genenums.c (main): Likewise.
3299         * genextract.c (main): Likewise.
3300         * genflags.c (main): Likewise.
3301         * genmddeps.c (main): Likewise.
3302         * genopinit.c (main): Likewise.
3303         * genoutput.c (main): Likewise.
3304         * genpeep.c (main): Likewise.
3305         * genpreds.c (main): Likewise.
3306         * genrecog.c (main): Likewise.
3307         * gensupport.c (init_rtx_reader_args_cb): Likewise.
3308         (init_rtx_reader_args): Likewise.
3309         * gensupport.h (init_rtx_reader_args_cb): Likewise.
3310         (init_rtx_reader_args): Likewise.
3311         * gentarget-def.c (main): Likewise.
3312         * read-md.c (read_md_files): Likewise.
3313         * read-md.h (read_md_files): Likewise.
3314
3315 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3316
3317         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
3318         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
3319         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
3320         Remove unused predicate.
3321         (register_and_not_fp_reg_operand): Ditto.
3322
3323 2016-05-06  Martin Liska  <mliska@suse.cz>
3324
3325         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
3326         instead of vec as the vector is local to the function.
3327
3328 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3329
3330         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
3331         avx512bw alternative.
3332
3333         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
3334         before the ashr<mode>3 pattern.
3335
3336         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
3337         v instead of x in vex or maybe_vex alternatives, use
3338         maybe_evex instead of vex in prefix.
3339
3340         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
3341         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
3342         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
3343         in vex or maybe_vex alternatives, use maybe_evex instead of vex
3344         in prefix.
3345
3346         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
3347         v instead of x in vex or maybe_vex alternatives, use
3348         maybe_evex instead of vex in prefix.
3349
3350         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
3351         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
3352         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
3353         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
3354         alternatives, use maybe_evex instead of vex in prefix.
3355
3356         * config/i386/sse.md (vec_interleave_lowv4sf,
3357         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
3358         v instead of x in vex or maybe_vex alternatives, use
3359         maybe_evex instead of vex in prefix.
3360
3361         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
3362         v instead of x in vex or maybe_vex alternatives, use
3363         maybe_evex instead of vex in prefix.
3364
3365         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
3366         v constraint instead of x.
3367
3368 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3369
3370         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3371         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3372         equality first.
3373
3374 2016-05-06  Richard Biener  <rguenther@suse.de>
3375
3376         PR tree-optimization/70948
3377         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
3378         Properly clobber all fields of va_list for __builtin_va_start.
3379
3380 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3381
3382         PR debug/70935
3383         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3384         loop latch destination.
3385
3386 2016-05-06  Martin Liska  <mliska@suse.cz>
3387
3388         * tree-ssa-uninit.c: Apply manual changes
3389         to the GNU coding style.
3390         (prune_uninit_phi_opnds): Rename from
3391         prune_uninit_phi_opnds_in_unrealizable_paths.
3392
3393 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3394
3395         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
3396         mspace): Remove deprecated options.
3397         * doc/invoke.texi (SH options): Remove -mspace.
3398
3399 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3400
3401         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
3402
3403 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3404
3405         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
3406         corresponding combine split pattern.
3407
3408 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3409
3410         PR target/58219
3411         * config/sh/predicates.md (long_displacement_mem_operand): New.
3412         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
3413         Add movi20, movi20s alternatives.  Adjust length attribute for
3414         alternatives.
3415         (movsi_ie): Allow for any FPU.  Adjust length attribute for
3416         alternatives.
3417         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
3418         attribute for alternatives.
3419         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
3420         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
3421         length attribute for alternatives.
3422
3423 2016-05-06  Richard Biener  <rguenther@suse.de>
3424
3425         PR tree-optimization/70960
3426         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
3427
3428 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3429
3430         PR target/52933
3431         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
3432         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
3433
3434 2016-05-06  Marek Polacek  <polacek@redhat.com>
3435
3436         PR sanitizer/70875
3437         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3438
3439 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3440
3441         PR target/54089
3442         * config/sh/sh.md (*rotcr): Add another variant.
3443
3444 2016-05-06  Richard Biener  <rguenther@suse.de>
3445
3446         PR middle-end/70931
3447         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3448
3449 2016-05-06  Richard Biener  <rguenther@suse.de>
3450
3451         PR middle-end/70941
3452         * fold-const.c (split_tree): Always convert to the original type
3453         before negating.
3454
3455 2016-05-06  Richard Biener  <rguenther@suse.de>
3456
3457         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
3458         (fwprop_addr): Likewise.
3459
3460 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3461
3462         PR target/70873
3463         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
3464         New prototype.
3465         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
3466         * config/i386/i386.md (push mem splitter): Use find_constant_src in
3467         the splitter condition.
3468         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
3469         the splitter condition.
3470         (FP float_extend load splitter): Ditto.
3471
3472 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
3473
3474         * config/i386/i386.md (peehole2 patterns): Change true_regnum
3475         to REGNO in all peephole2 patterns.
3476         (post-reload splitters): Change true_regnum to REGNO in
3477         post-reload splitters.
3478         (zero_extend splitters): Use general_reg_operand and
3479         nonimmediate_gr_operand predicates.
3480
3481 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
3482
3483         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
3484         v constraint instead of x.
3485
3486 2016-05-05  Alan Modra  <amodra@gmail.com>
3487
3488         PR target/68662
3489         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3490         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
3491         TARGET_NO_FP_IN_TOC for -mrelocatable.
3492         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
3493         TARGET_RELOCATABLE test.
3494         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3495         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3496         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3497         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3498         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3499         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3500         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3501         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3502         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3503         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3504         Likewise.
3505         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
3506         (rs6000_stack_info): Likewise.
3507         (rs6000_elf_asm_out_constructor): Likewise.
3508         (rs6000_elf_asm_out_destructor): Likewise.
3509         (rs6000_elf_declare_function_name): Likewise.
3510         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
3511         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
3512         Don't define.
3513
3514 2016-05-05  Alan Modra  <amodra@gmail.com>
3515
3516         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
3517
3518 2016-05-05  Alan Modra  <amodra@gmail.com>
3519
3520         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
3521         out-of-line gpr restore for one or two regs if that would add
3522         a save of lr.
3523
3524 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
3525
3526         PR target/70873
3527         * config/i386/i386.md
3528         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
3529         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
3530         as operand 0 predicate.
3531         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
3532         Ditto.
3533         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
3534         Ditto.  Emit the pattern using RTX.
3535
3536         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
3537         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
3538         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
3539         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
3540         Ditto.
3541         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
3542         sse_reg_operand as operand 0 predicate.
3543
3544         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
3545         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
3546         instead of gen_rtx_REG.
3547         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
3548         Ditto.
3549
3550 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3551
3552         * function.c (emit_use_return_register_into_block): Delete.
3553         (gen_return_pattern): Delete.
3554         (emit_return_into_block): Delete.
3555         (active_insn_between): Delete.
3556         (convert_jumps_to_returns): Delete.
3557         (emit_return_for_exit): Delete.
3558         (thread_prologue_and_epilogue_insns): Delete all code dealing with
3559         simple_return for shrink-wrapped blocks.
3560         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
3561         end of blocks that need one.
3562         (get_unconverted_simple_return): Delete.
3563         (convert_to_simple_return): Delete.
3564         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
3565         (convert_to_simple_return): Ditto.
3566
3567 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3568
3569         * cfgcleanup.c (bb_is_just_return): New function.
3570         (try_optimize_cfg): Simplify jumps to return, branches to return,
3571         and branches around return.
3572
3573 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3574
3575         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
3576         branch to a return.
3577
3578 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3579
3580         PR c++/70906
3581         PR c++/70933
3582         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
3583         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
3584         assert flags & OEP_HASH_CHECK, instead of asserting it
3585         never happens.  Handle TARGET_EXPR.
3586         * fold-const.c (operand_equal_p): For hash verification,
3587         or in OEP_HASH_CHECK into flags.
3588
3589 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3590
3591         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3592         comment.
3593         (compute_samebase_partition_bases): Fix typo.
3594
3595 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3596
3597         * config/i386/sse.md (vec_interleave_highv8sf,
3598         vec_interleave_lowv8sf, vec_interleave_highv4df,
3599         vec_interleave_lowv4df): Remove constraints from expanders.
3600
3601         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
3602
3603 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3604
3605         * tree-inline.c (expand_call_inline): Fix path dealing with
3606         making lhs of call statement undefined.
3607
3608 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3609
3610         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
3611         Check availability on NODE, too.
3612         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
3613         (cgraph_node::call_for_symbol_and_aliases): Likewise.
3614         (varpool_node::call_for_symbol_and_aliase): Likewise.
3615         * ipa-pure-const.c (add_new_function): Analyze all bodies.
3616         (propagate_pure_const): Propagate across interposable functions, too.
3617         (skip_function_for_local_pure_const): Do not skip interposable bodies
3618         with aliases.
3619         (pass_local_pure_const::execute): Update.
3620
3621 2016-05-04  Marek Polacek  <polacek@redhat.com>
3622
3623         * doc/invoke.texi: Document -Wdangling-else.
3624
3625 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3626
3627         * config.gcc: Error out when conflicting multilib is detected.  Do not
3628         loop over multilibs since no combination is legal.
3629
3630 2016-05-04  Alan Modra  <amodra@gmail.com>
3631
3632         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
3633         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
3634         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3635         Align .toc.
3636
3637 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
3638
3639         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
3640         Clean up p5600 comments.
3641
3642 2016-05-04  Richard Biener  <rguenther@suse.de>
3643
3644         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
3645         constructor simplifications.
3646         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
3647
3648 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
3649
3650         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
3651         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
3652         result.set_rtx is null instead of aborting.
3653         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
3654         Always enable.
3655         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
3656         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
3657         *mov<mode>_store_postinc): New patterns.
3658
3659 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
3660
3661         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
3662         as commutative.  Check both conversions are NOP.
3663         ((A & B) OP (C & B)): Remove.
3664
3665 2016-05-04  Alan Modra  <amodra@gmail.com>
3666
3667         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
3668
3669 2016-05-04  Alan Modra  <amodra@gmail.com>
3670
3671         PR target/70866
3672         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
3673         when cr2,3,4 are all fixed regs.
3674
3675 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
3676
3677         PR rtl-optimization/57193
3678         * opts.c (default_options_table): Revert OPT_frename_registers change.
3679         * doc/invoke.texi (-frename-registers, -O2): Likewise.
3680
3681 2016-05-03  Martin Sebor  <msebor@redhat.com>
3682
3683         PR c++/66561
3684         * builtins.c (fold_builtin_FILE): New function.
3685         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
3686         (fold_builtin_0): Call them.
3687         * gimplify.c (gimplify_call_expr): Remove the handling of
3688         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
3689
3690         PR c++/66561
3691         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
3692         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
3693         constants.
3694
3695         PR c++/66639
3696         * doc/extend.texi (Function Names as Strings): Update __func__,
3697         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
3698         constants.
3699
3700 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3701             Richard Biener  <rguenther@suse.de>
3702
3703         PR tree-optimization/70916
3704         * tree-if-conv.c: Include cfganal.h.
3705         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
3706         and remove_fake_exit_edges around the optimization pass.
3707
3708 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3709
3710         * cgraph.c (symbol_table::create_edge): Set inline_failed.
3711         (cgraph_edge::make_direct): Likewise.
3712         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
3713         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
3714         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
3715         (CIF_THUNK): New code.
3716         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
3717         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
3718         (compute_inline_parameters): Set inline_failed for thunks.
3719         (inline_analyze_function): Cleanup.
3720         * ipa-inline.c (can_inline_edge_p): Do not deal with
3721         call_stmt_cannot_inline_p.
3722         (can_early_inline_edge_p): Likewise.
3723         (early_inliner): Initialize inline_failed.
3724         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
3725
3726 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
3727
3728         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
3729         from nonimm_ssenomem_operand.
3730         (nonimm_ssenomem_operand): New predicate.
3731         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
3732         as operand 0 predicate.
3733         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
3734         Disable unsupported alternatives using "enabled" attribute.
3735         Use register_ssemem_operand as operand 0 predicate.
3736         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
3737
3738 2016-05-03  Marek Polacek  <polacek@redhat.com>
3739
3740         PR c/70859
3741         * input.c (expansion_point_location): New function.
3742         * input.h (expansion_point_location): Declare.
3743
3744 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3745
3746         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3747         occurence with frame_offset_ ones.
3748
3749 2016-05-03  Alan Modra  <amodra@gmail.com>
3750
3751         PR rtl-optimization/70890
3752         * ira.c (combine_and_move_insns): When moving def_insn, remove
3753         equivs on use_insn.
3754
3755 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3756
3757         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
3758         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
3759         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
3760         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
3761
3762 2016-05-03  Alan Modra  <amodra@gmail.com>
3763
3764         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
3765         for SAVE_MULTIPLE/STORE_MULTIPLE.
3766
3767 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3768
3769         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
3770         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
3771
3772 2016-05-03  Richard Biener  <rguenther@suse.de>
3773
3774         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
3775         default true.
3776         (gimplify_arg): Likewise.
3777         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
3778         re-writing the result to a decl if required.
3779         (internal_get_tmp_var): Add allow_ssa parameter
3780         and override into_ssa with it.
3781         (get_formal_tmp_var): Adjust.
3782         (get_initialized_tmp_var): Add allow_ssa parameter.
3783         (gimplify_arg): Add allow_ssa parameter and avoid generating
3784         SSA names for the result false.
3785         (gimplify_call_expr): If the call may return twice do not
3786         gimplify parameters into SSA.
3787         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
3788         (gimplify_modify_expr): Adjust assert.  For noreturn calls
3789         with a SSA name LHS adjust its def.
3790         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
3791         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
3792         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
3793         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
3794         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
3795         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
3796         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
3797         (optimize_target_teams): Do not allow SSA names for clause operands.
3798         (gimplify_expr): Likewise for where we mark the result addressable.
3799         * passes.def (pass_init_datastructures): Remove.
3800         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
3801         (rewrite_stmt): Likewise.
3802         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
3803         (replace_locals_op): Replace SSA names.
3804         (copy_gimple_seq_and_replace_locals): Init src_cfun.
3805         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
3806         * cgraph.c (release_function_body): Free CFG annotations only
3807         when we have a CFG.  Simplify.
3808         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3809         force_gimple_operand instead of get_initialized_tmp_var.
3810         * tree-pass.h (make_pass_init_datastructures): Remove.
3811         * tree-ssa.c (execute_init_datastructures): Remove.
3812         (pass_data_init_datastructures): Likewise.
3813         (class pass_init_datastructures): Likewise.
3814         (make_pass_init_datastructures): Likewise.
3815         * omp-low.c (create_omp_child_function): Init SSA data structures.
3816         (grid_expand_target_grid_body): Likewise.
3817         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
3818         name before adding it to names_to_release.
3819         (remove_bb): Always release SSA defs.
3820         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
3821         before dereferencing it.
3822         * cgraphunit.c (init_lowered_empty_function): Always
3823         int SSA data structures.
3824         * tree-ssanames.c (release_defs): Remove assert that we are in
3825         SSA form.
3826         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
3827
3828 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3829             Uros Bizjak  <ubizjak@gmail.com>
3830
3831         PR rtl-optimization/70467
3832         * config/i386/predicates.md (x86_64_hilo_int_operand,
3833         x86_64_hilo_general_operand): New predicates.
3834         * config/i386/constraints.md (Wd): New constraint.
3835         * config/i386/i386.md (mode attr di): Use Wd instead of e.
3836         (general_hilo_operand): New mode attr.
3837         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
3838         instead of <general_operand>.
3839         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
3840         x86_64_hilo_general_operand instead of <general_operand>.
3841
3842 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3843
3844         PR tree-optimization/70916
3845         * tree-if-conv.c (constant_or_ssa_name): Removed.
3846         (fold_build_cond_expr): Use is_gimple_val instead of
3847         constant_or_ssa_name.
3848
3849         PR tree-optimization/70916
3850         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3851         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3852
3853         PR target/49244
3854         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
3855         (optimize_atomic_bit_test_and): New function.
3856         (pass_fold_builtins::execute): Use it.
3857         * optabs.def (atomic_bit_test_and_set_optab,
3858         atomic_bit_test_and_complement_optab,
3859         atomic_bit_test_and_reset_optab): New optabs.
3860         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
3861         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
3862         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
3863         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
3864         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
3865         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
3866         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
3867         * doc/md.texi (atomic_bit_test_and_set@var{mode},
3868         atomic_bit_test_and_complement@var{mode},
3869         atomic_bit_test_and_reset@var{mode}): Document.
3870         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
3871         atomic_bit_test_and_complement<mode>,
3872         atomic_bit_test_and_reset<mode>): New expanders.
3873         (atomic_bit_test_and_set<mode>_1,
3874         atomic_bit_test_and_complement<mode>_1,
3875         atomic_bit_test_and_reset<mode>_1): New insns.
3876
3877 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
3878
3879         PR rtl-optimization/70687
3880         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
3881         instead of unsigned HOST_WIDE_INT.
3882
3883 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
3884
3885         PR rtl-optimization/44281
3886         * hard-reg-set.h (struct target_hard_regs): New field
3887         x_fixed_nonglobal_reg_set.
3888         (fixed_nonglobal_reg_set): New macro.
3889         * reginfo.c (init_reg_sets_1): Initialize it.
3890         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
3891         of fixed_reg_set.
3892         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
3893
3894 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3895
3896         PR tree-optimization/56541
3897         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
3898         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
3899         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
3900         (any_complicated_phi): new static variable.
3901         (aggressive_if_conv): delete.
3902         (if_convertible_phi_p): support phis with more than two arguments.
3903         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
3904         critical pred edges.
3905         (ifcvt_split_critical_edges): support phis with more than two
3906         arguments by checking new parameter.  only split critical edges
3907         if needed.
3908         (tree_if_conversion): handle simd pragma marked loop using new
3909         local variable aggressive_if_conv.  check any_complicated_phi.
3910
3911 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3912
3913         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
3914         before using it.
3915
3916 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3917
3918         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
3919         cbase.
3920
3921 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
3922
3923         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
3924         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
3925         define_insn_and_split.
3926         (mulsi3_i): New define_insn_and_split.
3927         (mulsi3_call): Convert to define_insn.
3928         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
3929         Remove constraints.
3930
3931 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3932
3933         * machmode.h (mode_complex): Add support to give the complex mode
3934         for a given mode.
3935         (GET_MODE_COMPLEX_MODE): Likewise.
3936         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
3937         stored by build_complex_type and gfc_build_complex_type instead of
3938         trying to figure out the appropriate mode based on the size. Raise
3939         an assertion error, if the type was not set.
3940         * genmodes.c (struct mode_data): Add field for the complex type of
3941         the given type.
3942         (blank_mode): Likewise.
3943         (make_complex_modes): Remember the complex mode created in the
3944         base type.
3945         (emit_mode_complex): Write out the mode_complex array to map a
3946         type mode to the complex version.
3947         (emit_insn_modes_c): Likewise.
3948         * tree.c (build_complex_type): Set the complex type to use before
3949         calling layout_type.
3950         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
3951         support for __float128 complex datatypes.
3952         (rs6000_hard_regno_mode_ok): Likewise.
3953         (rs6000_setup_reg_addr_masks): Likewise.
3954         (rs6000_complex_function_value): Likewise.
3955         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
3956         __float128 and __ibm128 complex.
3957         (FLOAT128_IBM_P): Likewise.
3958         (ALTIVEC_ARG_MAX_RETURN): Likewise.
3959         * doc/extend.texi (Additional Floating Types): Document that
3960         -mfloat128 must be used to enable __float128.  Document complex
3961         __float128 and __ibm128 support.
3962
3963 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
3964
3965         PR target/49244
3966         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
3967         char/short arguments promoted to int because of promote_prototypes.
3968
3969 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
3970
3971         * config/i386/predicates.md (register_ssemem_operand): New predicate.
3972         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
3973         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
3974         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
3975         alternatives using "enabled" attribute.  Use register_ssemem_operand
3976         as operand 1 predicate.
3977         (*cmpi<unord>xf_i387): Split XFmode pattern from
3978         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
3979         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
3980         *absneg<mode>2_i387.  Disable unsupported alternatives using
3981         "enabled" attribute.
3982         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
3983
3984 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3985
3986         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
3987         marker.
3988         (oacc_loop_process): Check mask for loop termination.
3989
3990 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
3991
3992         * cif-code.def (CIF_THUNK): Add.
3993         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
3994         accidental change.
3995
3996 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
3997
3998         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
3999         (dump_inline_summary): Dump it.
4000         (fp_expression_p): New predicate.
4001         (estimate_function_body_sizes): Use it.
4002         (inline_merge_summary): Merge fp_expressions.
4003         (inline_read_section): Read fp_expressions.
4004         (inline_write_summary): Write fp_expressions.
4005         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
4006         codegen boundary if either caller or callee is !fp_expressions.
4007         * ipa-inline.h (inline_summary): Add fp_expressions.
4008         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
4009         to fp_expressions be sure the fp generation flags are updated.
4010
4011 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4012
4013         PR rtl-optimization/70467
4014         * cse.c (cse_insn): Handle no-op MEM moves after folding.
4015
4016         PR rtl-optimization/70467
4017         * ipa-pure-const.c (check_call): Handle internal calls even in
4018         ipa mode like in local mode.
4019
4020 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4021
4022         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
4023
4024 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4025
4026         * match.pd (X u< X, X u> X): New transformations.
4027
4028 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4029
4030         * flag-types.h (enum warn_strict_overflow_code): Move ...
4031         * coretypes.h: ... here.
4032         * fold-const.h (fold_overflow_warning): Declare.
4033         * fold-const.c (fold_overflow_warning): Make non-static.
4034         (fold_comparison): Move the transformation of X +- C1 CMP C2
4035         into X CMP C2 -+ C1 ...
4036         * match.pd: ... here.
4037         * gimple-fold.c (fold_stmt_1): Protect with
4038         fold_defer_overflow_warnings.
4039
4040 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4041
4042         * omp-low.c (struct oacc_loop): Add 'inner' field.
4043         (new_oacc_loop_raw): Initialize it to zero.
4044         (oacc_loop_fixed_partitions): Initialize it.
4045         (oacc_loop_auto_partitions): Partition outermost loop to outermost
4046         available partitioning.
4047
4048 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4049
4050         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
4051         register_operand.
4052         (umulsidi3): Likewise.
4053         (indirect_jump): Fix jump instruction assembly patterns.
4054
4055 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
4056
4057         PR target/70860
4058         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
4059         (nvptx_function_value): Assert non-NULL cfun.
4060
4061 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
4062
4063         PR rtl-optimization/70886
4064         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
4065
4066         * cselib.h (rtx_equal_for_cselib_1): Declare.
4067         (rtx_equal_for_cselib_p: New inline function.
4068         * cselib.c (rtx_equal_for_cselib_p): Delete.
4069         (rtx_equal_for_cselib_1): Make public.
4070
4071 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4072
4073         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
4074         (register_mixssei387nonimm_operand): Remove predicate.
4075         * config/i386/i386.md (*fop_<mode>_comm): Merge from
4076         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
4077         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
4078         for TARGET_MIX_SSE_I387 alternatives.
4079         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
4080         Disable unsupported alternatives using "enabled" attribute.  Use
4081         nonimm_ssenomem_operand as operand 1 predicate.  Also check
4082         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
4083
4084 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4085
4086         * tree.c (cst_and_fits_in_hwi): Simplify.
4087
4088 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4089
4090         * tree.h (wi::to_wide): New function.
4091         * expr.c (expand_expr_real_1): Use wi::to_wide.
4092         * fold-const.c (int_const_binop_1): Likewise.
4093         (extract_muldiv_1): Likewise.
4094
4095 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4096
4097         * wide-int.h: Update offset_int and widest_int documentation.
4098         (WI_SIGNED_SHIFT_RESULT): New macro.
4099         (wi::binary_shift): Define signed_shift_result_type for
4100         shifts on offset_int- and widest_int-like types.
4101         (generic_wide_int): Support <<= and >>= if << and >> are supported.
4102         * tree.h (int_bit_position): Use shift operators instead of wi::
4103          shifts.
4104         * alias.c (adjust_offset_for_component_ref): Likewise.
4105         * expr.c (get_inner_reference): Likewise.
4106         * fold-const.c (fold_comparison): Likewise.
4107         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
4108         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
4109         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4110         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
4111         (stmt_kills_ref_p): Likewise.
4112         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
4113         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
4114         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4115         (ao_ref_init_from_vn_reference): Likewise.
4116
4117 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4118
4119         * wide-int.h: Update offset_int and widest_int documentation.
4120         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
4121         (wi::binary_traits): Allow ordered comparisons between offset_int and
4122         offset_int, between widest_int and widest_int, and between either
4123         of these types and basic C types.
4124         (operator <, <=, >, >=): Define for the same combinations.
4125         * tree.h (tree_int_cst_lt): Use comparison operators instead
4126         of wi:: comparisons.
4127         (tree_int_cst_le): Likewise.
4128         * gimple-fold.c (fold_array_ctor_reference): Likewise.
4129         (fold_nonarray_ctor_reference): Likewise.
4130         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
4131         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
4132         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
4133         * tree-sra.c (completely_scalarize): Likewise.
4134         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
4135         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
4136         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
4137         (check_for_binary_op_overflow): Likewise.
4138         (search_for_addr_array): Likewise.
4139         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
4140
4141 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4142
4143         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
4144         (arc_save_restore): Likewise.
4145         (arc_dwarf_register_span): Likewise.
4146         (arc_output_pic_addr_const): Initialize suffix variable.
4147
4148 2016-05-02  Martin Liska  <mliska@suse.cz>
4149
4150         * symbol-summary.h (function_summary::function_summary):
4151         Remove checking assert for all cgraph nodes.
4152         (function_summary::get): Check summary_uid.
4153         (symtab_insertion): Check summary_uid.
4154
4155 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4156
4157         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
4158         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
4159         bmaskn instruction.
4160         (arc_dwarf_register_span): Remove enum keyword.
4161         (compact_memory_operand_p): New function.
4162         * config/arc/arc.h (reg_class): Add code density register classes.
4163         (REG_CLASS_NAMES): Likewise.
4164         (REG_CLASS_CONTENTS): Likewise.
4165         * config/arc/arc.md (*movqi_insn): Add code density instructions.
4166         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
4167         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
4168         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
4169         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
4170         constraints.
4171         (h, Rcd, Rsd, Rzd): New register constraints.
4172         (T): Use compact_memory_operand_p function.
4173         * config/arc/predicates.md (compact_load_memory_operand): Remove.
4174
4175 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4176
4177         * config/sh/sh.md (*negnegt, *movtt): Remove.
4178
4179 2016-05-02  Marek Polacek  <polacek@redhat.com>
4180             Tom de Vries  <tom@codesourcery.com>
4181
4182         PR tree-optimization/70700
4183         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
4184         bigger than FIRST_REF_NODE.
4185
4186 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4187
4188         PR target/52898
4189         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
4190         TARGET_CMPEQDI_T.
4191         (prepare_cbranch_operands): Don't use scratch register.  Assume that
4192         function is used when pseudos can be created.
4193         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
4194         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
4195         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
4196         define_expand.  Allow it only when pseudos can be created.
4197         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
4198
4199 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
4200
4201         * config/i386/constraints.md (BC): Only allow -1 operands.
4202         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
4203         Add "enabled" attribute.  Update XI mode attribute calculation.
4204         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
4205         (*movoi_internal_avx): Update XI mode attribute calculation.
4206         (*movti_internal): Ditto.
4207
4208 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4209
4210         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4211         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
4212
4213 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4214
4215         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
4216         statement on instruction code.  Remove trailing spaces.
4217         (altivec_expand_stv_builtin): Likewise.
4218
4219 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4220
4221         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4222         (TARGET_FPU_DOUBLE): Simplify.
4223         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
4224         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
4225         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
4226         with 'TARGET_FPU_DOUBLE'.
4227         * config/sh/sh.md: Likewise.
4228
4229 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
4230
4231         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
4232         SH_DIV_STR_FOR_SIZE): Remove.
4233         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
4234         SH_DIV_STR_FOR_SIZE): Remove.
4235
4236 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4237
4238         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
4239         logical_reg_operand): Delete.
4240         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
4241         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
4242         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
4243         match_operand and match_test.
4244         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
4245         variables on their first use.  Return bool values.
4246         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
4247         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
4248         arith_reg_operand for input operand.  Remove empty constraints.
4249         (xorsi3): Delete.
4250         (*xorsi3_compact): Rename to xorsi3.
4251         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
4252         (*zero_extend<mode>si2_disp_mem): Update comment.
4253         (mov_nop): Delete.
4254
4255 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4256
4257         * config/sh/t-sh: Remove SH5 support.
4258         * config.gcc: Likewise.
4259         * configure: Likewise.
4260
4261 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4262
4263         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
4264
4265 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4266
4267         * config/sh/sh.c (register_sh_passes, sh_option_override,
4268         sh_print_operand, prepare_move_operands,
4269         sh_can_follow_jump): Remove TARGET_SH1 checks.
4270         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
4271         PROMOTE_MODE): Likewise.
4272         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
4273         movdi): Likewise.
4274
4275 2016-04-30  Alan Modra  <amodra@gmail.com>
4276
4277         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
4278         restoring when fixed_reg_p, but allow out-of-line or stmw save.
4279         Check for user regs later to avoid unnecessary looping over regs.
4280         Merge user reg check with non-saved reg check.  Don't force
4281         inline VR restore when static chain used.
4282         (rs6000_frame_related): Omit eh_frame info for user regs when
4283         saving.
4284         (fixed_regs_p): Delete.
4285
4286 2016-04-30  Alan Modra  <amodra@gmail.com>
4287
4288         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
4289         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
4290         Update all uses.
4291
4292 2016-04-30  Alan Modra  <amodra@gmail.com>
4293
4294         PR target/69645
4295         * config/rs6000/rs6000.c (fixed_reg_p): New function.
4296         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
4297         Update all uses.
4298
4299 2016-04-30  Alan Modra  <amodra@gmail.com>
4300
4301         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4302         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
4303         flag_pic test for Darwin.
4304
4305 2016-04-30  Alan Modra  <amodra@gmail.com>
4306
4307         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
4308         throw_calls_crossed.
4309         (REG_FREQ_CALLS_CROSSED): Delete.
4310         (REG_N_THROWING_CALLS_CROSSED): Delete.
4311         * regstat.c (regstat_bb_compute_ri): Don't calculate
4312         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
4313         (dump_reg_info): Don't print call cross frequency.
4314         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
4315         and REG_N_THROWING_CALLS_CROSSED.
4316
4317 2016-04-30  Alan Modra  <amodra@gmail.com>
4318
4319         * regs.h (struct reg_info_t): Delete live_length.
4320         (REG_LIVE_LENGTH): Delete macro.
4321         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
4322         local_live, local_processed and local_live_last_luid params.
4323         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
4324         Formatting fixes.
4325         (regstat_compute_ri): Adjust for above.  Don't set
4326         REG_LIVE_LENGTH.
4327         (dump_reg_info): Don't print live length.
4328         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
4329         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
4330         Localize loop_depth var.
4331
4332 2016-04-30  Alan Modra  <amodra@gmail.com>
4333
4334         * ira.c (enum valid_equiv): New.
4335         (validate_equiv_mem): Return enum.
4336         (update_equiv_mem): Create replacement in more cases.
4337         (add_store_equivs): Update validate_equiv_mem call.
4338
4339 2016-04-30  Alan Modra  <amodra@gmail.com>
4340
4341         * ira.c (combine_and_move_insns): Rather than scanning insns,
4342         use DF infrastucture to find use and def insns.
4343
4344 2016-04-30  Alan Modra  <amodra@gmail.com>
4345
4346         ira.c (combine_and_move_insns): Move invariant conditions..
4347         (ira.c): ..to here.  Call combine_and_move_insns before
4348         add_store_equivs.  Call grow_reg_equivs later.  Allocate
4349         req_equiv later using max_reg_num() rather than global max_regno.
4350         (contains_replace_regs): Delete.
4351         (add_store_equivs): Remove contains_replace_regs test.
4352
4353 2016-04-30  Alan Modra  <amodra@gmail.com>
4354
4355         * ira.c (struct equiv_mem_data): New.
4356         (equiv_mem, equiv_mem_modified): Delete static vars.
4357         (validate_equiv_mem_from_store): Use "data" param to communicate..
4358         (validate_equiv_mem): ..from here.
4359
4360 2016-04-30  Alan Modra  <amodra@gmail.com>
4361
4362         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
4363         split out from..
4364         (update_reg_equivs): ..here.  Move allocation and freeing of
4365         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
4366         end_alias_analysis to..
4367         (ira): ..here.
4368
4369 2016-04-30  Alan Modra  <amodra@gmail.com>
4370
4371         * ira.c (pdx_subregs): Delete.
4372         (struct equivalence): Add pdx_subregs field.
4373         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
4374         pdx_subregs access.
4375         (update_equiv_regs): Don't create or free pdx_subregs.  Update
4376         pdx_subregs access.
4377
4378 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4379
4380         * config/rs6000/altivec.h: Change definitions of vec_xl and
4381         vec_xst.
4382         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
4383         (LD_ELEMREV_V2DI): New.
4384         (LD_ELEMREV_V4SF): New.
4385         (LD_ELEMREV_V4SI): New.
4386         (LD_ELEMREV_V8HI): New.
4387         (LD_ELEMREV_V16QI): New.
4388         (ST_ELEMREV_V2DF): New.
4389         (ST_ELEMREV_V2DI): New.
4390         (ST_ELEMREV_V4SF): New.
4391         (ST_ELEMREV_V4SI): New.
4392         (ST_ELEMREV_V8HI): New.
4393         (ST_ELEMREV_V16QI): New.
4394         (XL): New.
4395         (XST): New.
4396         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4397         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
4398         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
4399         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
4400         (altivec_expand_builtin): Add handling for
4401         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
4402         (rs6000_invalid_builtin): Add error-checking for
4403         RS6000_BTM_P9_VECTOR.
4404         (altivec_init_builtins): Define builtins used to implement vec_xl
4405         and vec_xst.
4406         (rs6000_builtin_mask_names): Define power9-vector.
4407         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
4408         (RS6000_BTM_P9_VECTOR): Define.
4409         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
4410         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
4411         (vsx_ld_elemrev_v2df): Likewise.
4412         (vsx_ld_elemrev_v4sf): Likewise.
4413         (vsx_ld_elemrev_v4si): Likewise.
4414         (vsx_ld_elemrev_v8hi): Likewise.
4415         (vsx_ld_elemrev_v16qi): Likewise.
4416         (vsx_st_elemrev_v2df): Likewise.
4417         (vsx_st_elemrev_v2di): Likewise.
4418         (vsx_st_elemrev_v4sf): Likewise.
4419         (vsx_st_elemrev_v4si): Likewise.
4420         (vsx_st_elemrev_v8hi): Likewise.
4421         (vsx_st_elemrev_v16qi): Likewise.
4422         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
4423         grammar.
4424
4425 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
4426
4427         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4428         out into ...
4429         (simplify_control_stmt_condition_1): ... here.  Recurse into
4430         BIT_AND_EXPRs and BIT_IOR_EXPRs.
4431
4432 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
4433
4434         PR target/69810
4435         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
4436         (zero_extendqi<mode>2_dot): Revert earlier conversion from
4437         define_insn_and_split to define_insn.
4438         (zero_extendqi<mode>2_dot2): Same.
4439         (extendqi<mode>2_dot): Same.
4440         (extendqi<mode>2_dot2): Same.
4441
4442 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4443
4444         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
4445         (probe_stack): New expander.
4446         (probe_stack_<mode>): New insn pattern.
4447
4448 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4449
4450         * config/i386/i386.md
4451         (operations with memory inputs setting flags peephole2):
4452         Remove uneeded REG_P checks.  Cleanup pattern generation.
4453
4454 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
4455
4456         * tree-vect-loop.c (vect_transform_loop): Fix
4457         nb_iterations_upper_bound computation for vectorized loop.
4458
4459 2016-04-29  Marek Polacek  <polacek@redhat.com>
4460             Jakub Jelinek  <jakub@redhat.com>
4461
4462         PR sanitizer/70342
4463         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4464         TARGET_EXPR_SLOT as a base.
4465
4466 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
4467
4468         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
4469         with 'rCm2' constraints to limit possible immediate size.
4470         (*load_zeroextendqisi_update): Likewise.
4471         (*load_signextendqisi_update): Likewise.
4472         (*loadhi_update): Likewise.
4473         (*load_zeroextendhisi_update): Likewise.
4474         (*load_signextendhisi_update): Likewise.
4475         (*loadsi_update): Likewise.
4476         (*loadsf_update): Likewise.
4477
4478 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4479
4480         * config/i386/predicates.md (constm1_operand): Fix comparison.
4481
4482 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4483
4484         * testsuite/gcc.target/arc/ieee_eq.c: New test.
4485
4486 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
4487
4488         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
4489         remaining SH5 related settings.
4490         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
4491         shmedia_prepare_call_address): Delete.
4492         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
4493         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
4494         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
4495         UNSUPPORTED_SH2A): Remove m5 checks.
4496         (sh_divide_strategy_e): Remove SH5 division strategies.
4497         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
4498         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
4499
4500 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4501
4502         * config/s390/s390.c (s390_rtx_costs): Update documentation.
4503
4504 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4505
4506         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
4507         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
4508         Change lder to ldr.
4509         * config/s390/vector.md ("mov<mode>"): Likewise.
4510
4511 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
4512
4513         * config/s390/constraints.md ("U", "W"): Invoke
4514         s390_mem_constraint with "ZR" and "ZT".
4515         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
4516         addresses when using LRA.  Accept also short displacements for S
4517         and T constraints.  Do not check for long displacement target for
4518         S and T constraints.
4519         (s390_mem_constraint): Remove handling of U and W constraints.
4520         * config/s390/s390.md (various patterns): Remove the short
4521         displacement constraints (Q and R) if a long displacement
4522         constraint is present.  Add longdisp as required CPU capability.
4523         * config/s390/vector.md: Likewise.
4524         * config/s390/vx-builtins.md: Likewise.
4525
4526 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4527
4528         PR target/60040
4529         * reload1.c (reload): Call finish_spills before
4530         restarting reload loop. Skip select_reload_regs
4531         if update_eliminables_and_spill returns true.
4532
4533 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4534
4535         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
4536         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
4537         (umulhisi3_imm): Update predicates and constraint letters.
4538         (umulhisi3_reg): Declare instruction as commutative.
4539         * config/arc/constraints.md (J12, J16): New constraints.
4540         * config/arc/predicates.md (short_unsigned_const_operand): New
4541         predicate.
4542         (arc_short_operand): Likewise.
4543         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
4544
4545 2016-04-29  Richard Biener  <rguenther@suse.de>
4546
4547         PR tree-optimization/13962
4548         PR tree-optimization/65686
4549         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
4550         * tree-ssa-alias.c (ptrs_compare_unequal): New function
4551         using PTA to compare pointers.
4552         * match.pd: Add pattern for pointer equality compare simplification
4553         using ptrs_compare_unequal.
4554
4555 2016-04-29  Richard Biener  <rguenther@suse.de>
4556
4557         * stor-layout.c (layout_type): Do not build a pointer-to-element
4558         type for arrays.
4559
4560 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4561
4562         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
4563         Use SWI mode iterator.  Use general_reg_operand predicate.
4564         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
4565         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
4566         predicates.
4567
4568 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
4569
4570         PR middle-end/70843
4571         * fold-const.c (operand_equal_p): Don't verify hash value equality
4572         if arg0 == arg1.
4573         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
4574         and OMP_CLAUSE.
4575
4576 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4577
4578         PR target/70858
4579         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4580         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4581         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4582         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4583         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4584
4585 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4586
4587         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
4588         to info.  Don't initialize separate fields to 0.  Clean up
4589         formatting a bit.
4590
4591 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4592
4593         * config/i386/i386.md (peephole2s for operations with memory inputs):
4594         Use SWI mode iterator.
4595         (peephole2s for operations with memory outputs): Ditto.
4596         Do not check for stack checking probe.
4597
4598         (probe_stack): Remove expander.
4599
4600 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4601             Andrew Burgess  <andrew.burgess@embecosm.com>
4602
4603         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
4604         operands as 32-bits.
4605
4606 2016-04-28  Jason Merrill  <jason@redhat.com>
4607
4608         * gdbinit.in: Skip line-map.h.
4609
4610 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4611             Andrew Burgess  <andrew.burgess@embecosm.com>
4612
4613         * config/arc/arc.c (arc_conditional_register_usage): Take
4614         TARGET_RRQ_CLASS into account.
4615         (arc_print_operand): Support printing 'p' and 's' operands.
4616         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
4617         as 0.
4618         (TARGET_RRQ_CLASS): Define.
4619         (IS_POWEROF2_OR_0_P): Define.
4620         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
4621         alternatives.
4622         (*tst_movb): New define_insn.
4623         (*tst): Avoid recognition if it could prevent '*tst_movb'
4624         combination; replace c/CnL with c/Chs alternative.
4625         (*tst_bitfield_tst): New define_insn.
4626         (*tst_bitfield_asr): New define_insn.
4627         (*tst_bitfield): New define_insn.
4628         (andsi3_i): Add Rrq variant.
4629         (extzv): New define_expand.
4630         (insv): New define_expand.
4631         (*insv_i): New define_insn.
4632         (*movb): New define_insn.
4633         (*movb_signed): New define_insn.
4634         (*movb_high): New define_insn.
4635         (*movb_high_signed): New define_insn.
4636         (*movb_high_signed + 1): New define_split pattern.
4637         (*mrgb): New define_insn.
4638         (*mrgb + 1): New define_peephole2 pattern.
4639         (*mrgb + 2): New define_peephole2 pattern.
4640         * config/arc/arc.opt (mbitops): New option for nps400, uses
4641         TARGET_NPS_BITOPS_DEFAULT.
4642         * config/arc/constraints.md (q): Make register class conditional.
4643         (Rrq): New register constraint.
4644         (Chs): New constraint.
4645         (Clo): New constraint.
4646         (Chi): New constraint.
4647         (Cbf): New constraint.
4648         (Cbn): New constraint.
4649         (C18): New constraint.
4650         (Cbi): New constraint.
4651
4652 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4653
4654         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
4655         dst->popcount.
4656         (bitmap_intersection_of_preds): Ditto.
4657         (bitmap_union_of_succs): Ditto.
4658         (bitmap_union_of_preds): Ditto.
4659         * sbitmap.c (do_popcount): Delete.
4660         (BITMAP_DEBUGGING): Delete.
4661         (sbitmap_verify_popcount): Delete.
4662         (sbitmap_alloc): Don't initialize the popcount field.
4663         (sbitmap_alloc_with_popcount): Delete.
4664         (sbitmap_resize): Don't resize the popcount array.
4665         (sbitmap_vector_alloc): Don't initialize the popcount field.
4666         (bitmap_copy): Don't copy the popcount array.
4667         (bitmap_clear): Don't clear the popcount array.
4668         (bitmap_clear): Delete the popcount array handling.
4669         (bitmap_ior_and_compl): Delete the popcount assert.
4670         (bitmap_not): Ditto.
4671         (bitmap_and_compl): Ditto.
4672         (bitmap_and): Delete the popcount array handling.
4673         (bitmap_xor): Ditto.
4674         (bitmap_ior): Ditto.
4675         (bitmap_or_and): Delete the popcount assert.
4676         (bitmap_and_or): Ditto.
4677         (popcount_table): Delete.
4678         (sbitmap_elt_popcount): Delete.
4679         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
4680         (bitmap_set_bit): Delete the popcount assert.
4681         (bitmap_clear_bit): Ditto.
4682         (sbitmap_free): Don't free the popcount array.
4683         (sbitmap_alloc_with_popcount): Delete declaration.
4684         (sbitmap_popcount): Ditto.
4685
4686 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4687             Andrew Burgess  <andrew.burgess@embecosm.com>
4688
4689         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
4690         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
4691         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
4692         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
4693         * config/arc/arc.opt (mcmem): New option.
4694         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
4695         supply length for r/m alternative.
4696         (*extendqisi2_ac): Likewise.
4697         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
4698         r/Uex alternative.
4699         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
4700         (movhi_insn): Likewise.
4701         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
4702         (*zero_extendqihi2_i): Add r/Ucm alternative.
4703         (*zero_extendqisi2_ac): Likewise.
4704         (*zero_extendhisi2_i): Likewise.
4705         * config/arc/constraints.md (Uex): New memory constraint.
4706         (Ucm): New define_constraint.
4707         * config/arc/predicates.md (long_immediate_loadstore_operand):
4708         Return 0 for MEM with cmem_address address.
4709         (cmem_address_0): New predicates.
4710         (cmem_address_1): Likewise.
4711         (cmem_address_2): Likewise.
4712         (cmem_address): Likewise.
4713
4714 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4715
4716         * config/rs6000/rs6000.c (machine_function): Rename
4717         insn_chain_scanned_p to spe_insn_chain_scanned_p.
4718         (rs6000_stack_info): Adjust.
4719
4720 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4721             Andrew Burgess  <andrew.burgess@embecosm.com>
4722
4723         * config/arc/constraints.md (Usd): Convert to define_constraint.
4724         (Us<): Likewise.
4725         (Us>): Likewise.
4726
4727 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4728
4729         PR target/70821
4730         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
4731         Add new peephole2 where the first insn is *mov<mode>_or instead of
4732         *mov<mode>_internal.
4733
4734 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
4735
4736         * tracer.c (bb_seen): Make static.
4737
4738 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
4739
4740         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
4741         support, setup defaults.
4742         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
4743         * config/arc/arc.c (arc_init): Add NPS400 support.
4744         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
4745         (TARGET_ARC700): NPS400 is also an ARC700.
4746         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
4747
4748 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4749
4750         PR target/70668
4751         * config/nds32/nds32.md (casesi): Don't access the operands array
4752         out of bounds.
4753
4754 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4755
4756         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
4757         (or $-1,reg peephole2): Ditto.
4758         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
4759
4760 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
4761
4762         * doc/extend.texi (Common Function Attributes) [optimize]:
4763         Discourage use of the optimize attribute.
4764
4765 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
4766
4767         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
4768         special case builtin.
4769         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4770         ALTIVEC_BUILTIN_VEC_ADDE.
4771         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4772         support for ALTIVEC_BUILTIN_VEC_ADDE.
4773         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4774         for __builtin_vec_adde.
4775
4776 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4777
4778         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
4779         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
4780
4781 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4782
4783         PR testsuite/70595
4784         * doc/sourcebuild.texi (Effective-Target Keywords, Other
4785         attributes): Document cilkplus_runtime.
4786
4787 2016-04-28  Martin Jambor  <mjambor@suse.cz>
4788
4789         * tree-cfg.c (verify_expr): Verify that local declarations belong to
4790         this function.  Call verify_expr on MEM_REFs and bases of other
4791         handled_components.
4792
4793 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4794
4795         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
4796         for WORD_REGISTER_OPERATIONS to runtime check.
4797
4798 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4799
4800         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
4801
4802 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4803
4804         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
4805         big-endian compilation.
4806         * config/arc/arc.md (addf3): Likewise.
4807         (subdf3): Likewise.
4808         (muldf3): Likewise.
4809
4810 2016-04-28  Richard Biener  <rguenther@suse.de>
4811
4812         PR tree-optimization/70840
4813         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
4814         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
4815         Mark x * pow(x,c) -> pow(x,c+1) commutative.
4816         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
4817
4818 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4819
4820         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
4821         and explain why in a comment.
4822
4823 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4824
4825         * config/arc/arc.md (cpu_facility): Add fpx variant.
4826         (subdf3): Prohibit use reverse sub when assist operations option
4827         is enabled.
4828         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
4829         instructions only when FPX is enabled.
4830         * testsuite/gcc.target/arc/trsub.c: New test.
4831
4832 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4833
4834         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
4835         mult_operator when calculating "type" attribute.
4836         (*fop_<mode>_1_i387): Ditto.
4837         (*fop_xf_1_i387): Ditto.
4838         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
4839         Use std::swap to swap operands.  Use RTL expressions to generate
4840         converted pattern.
4841
4842 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4843             Joern Rennecke  <joern.rennecke@embecosm.com>
4844
4845         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
4846         declaration.
4847         (emit_pic_move): Remove.
4848         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
4849         * config/arc/arc.c (emit_pic_move): Removed.
4850         (TARGET_HAVE_TLS): Define.
4851         (arc_conditional_register_usage): Test for arc_tp_regno.
4852         (arc_print_operand, arc_print_operand_address): Handle TLS
4853         unspecs.
4854         (arc_needs_pcl_p): New function.
4855         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
4856         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
4857         (arc_raw_symbolic_reference_mentioned_p): Likewise.
4858         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
4859         (arc_legitimize_tls_address): Likewise.
4860         (DTPOFF_ZERO_SYM): Define.
4861         (arc_legitimize_pic_address): Make it static, handle TLS cases.
4862         (arc_output_pic_addr_const): Print TLS unspecs.
4863         (prepare_pic_move): New function, replaces emit_pic_move.
4864         (arc_legitimate_constant_p): Handle TLS unspecs.
4865         (arc_legitimate_address_p): Likewise.
4866         (arc_rewrite_small_data_p): Use assert for TLS constants.
4867         (prepare_move_operands): Use prepare_pic_move.
4868         (arc_legitimize_address): Legitimize tls addresses.
4869         (arc_epilogue_uses): Check for arc_tp_regno.
4870         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
4871         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
4872         Define.
4873         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
4874         Likewise.
4875         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
4876         %(arc_tls_extra_start_spec).
4877         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
4878         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
4879         (EH_USES): Define.
4880         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
4881         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
4882         (UNSPEC_TLS_OFF): Add.
4883         (R10_REG): Define.
4884         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
4885         (get_thread_pointersi): New patterns.
4886         * config/arc/arc.opt (mtp-regno): New option.
4887         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
4888         (move_dest_operand): Likewise.
4889         * configure: Regenerate.
4890         * configure.ac: Add arc*-*-* case to test for tls.
4891         * doc/invoke.texi (ARC options): Document mtp-regno.
4892
4893 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4894
4895         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
4896         the new ARC HS SIMD instructions.
4897         (arc_preferred_simd_mode): New function.
4898         (arc_autovectorize_vector_sizes): Likewise.
4899         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
4900         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
4901         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
4902         (arc_init_builtins): Add new SIMD builtin types.
4903         (arc_split_move): Handle 64 bit vector moves.
4904         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
4905         (TARGET_PLUS_QMACW): Define.
4906         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
4907         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
4908         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
4909         (VSUBADD4H): New builtins.
4910         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
4911         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
4912
4913 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
4914             Matthias Klose  <doko@debian.org>
4915
4916         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
4917
4918 2016-04-28  Richard Biener  <rguenther@suse.de>
4919
4920         PR middle-end/70777
4921         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
4922         canonicalization.
4923
4924 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
4925
4926         * common/config/sh/sh-common.c: Remove SH5 support.
4927         * config/sh/constraints.md: Likewise.
4928         * config/sh/config/sh/elf.h: Likewise.
4929         * config/sh/linux.h: Likewise.
4930         * config/sh/netbsd-elf.h: Likewise.
4931         * config/sh/predicates.md: Likewise.
4932         * config/sh/sh-c.c: Likewise.
4933         * config/sh/sh-protos.h: Likewise.
4934         * config/sh/sh.c: Likewise.
4935         * config/sh/sh.h: Likewise.
4936         * config/sh/sh.md: Likewise.
4937         * config/sh/sh.opt: Likewise.
4938         * config/sh/sync.md: Likewise.
4939         * config/sh/sh64.h: Delete.
4940         * config/sh/shmedia.h: Likewise.
4941         * config/sh/shmedia.md: Likewise.
4942         * config/sh/sshmedia.h: Likewise.
4943         * config/sh/t-netbsd-sh5-64: Likewise.
4944         * config/sh/t-sh64: Likewise.
4945         * config/sh/ushmedia.h: Likewise.
4946
4947 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4948
4949         * config/i386/i386.md (sign_extend to memory peephole2s): Use
4950         general_reg_operand instead of register_operand predicate.
4951
4952 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4953
4954         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
4955
4956 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
4957
4958         * match.pd (A - B > A, A + B < A): New transformations.
4959
4960 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
4961
4962         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
4963         which defaults to true.  Emit an outer pair of parentheses only if
4964         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
4965         don't emit parentheses for the right-hand operand.
4966
4967 2016-04-27  Jeff Law  <law@redhat.com>
4968
4969         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
4970
4971 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4972
4973         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
4974         (altivec_lvx_<mode>_internal): Document.
4975         (altivec_lvx_<mode>_2op): New define_insn.
4976         (altivec_lvx_<mode>_1op): Likewise.
4977         (altivec_lvx_<mode>_2op_si): Likewise.
4978         (altivec_lvx_<mode>_1op_si): Likewise.
4979         (altivec_stvx_<mode>): Remove.
4980         (altivec_stvx_<mode>_internal): Document.
4981         (altivec_stvx_<mode>_2op): New define_insn.
4982         (altivec_stvx_<mode>_1op): Likewise.
4983         (altivec_stvx_<mode>_2op_si): Likewise.
4984         (altivec_stvx_<mode>_1op_si): Likewise.
4985         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4986         Expand vec_ld and vec_st during parsing.
4987         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
4988         changes.
4989         (altivec_expand_stvx_be): Likewise.
4990         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
4991         address-masking behavior in RTL.
4992         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
4993         address-masking behavior in RTL.
4994         (altivec_expand_builtin): Change builtin code arguments for calls
4995         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
4996         (insn_is_swappable_p): Avoid incorrect swap optimization in the
4997         presence of lvx/stvx patterns.
4998         (alignment_with_canonical_addr): New function.
4999         (alignment_mask): Likewise.
5000         (find_alignment_op): Likewise.
5001         (recombine_lvx_pattern): Likewise.
5002         (recombine_stvx_pattern): Likewise.
5003         (recombine_lvx_stvx_patterns): Likewise.
5004         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
5005         stvx patterns from expand.
5006         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
5007         expansions.
5008         (vector_altivec_store_<mode>): Likewise.
5009
5010 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
5011
5012         * config/aarch64/aarch64.md
5013         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
5014         remove the "fp" attributes.
5015         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
5016         add the "simd" attributes.
5017         (*movdf_aarch64): Likewise.
5018         (*movtf_aarch64): Remove the "fp" attributes.
5019         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
5020         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
5021
5022 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5023
5024         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
5025         rtx to rtx_code_label *.
5026         * rtl.h (maybe_set_first_label_num): Likewise.
5027
5028 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5029
5030         * df-core.c (df_add_problem): Make the problem param be const.
5031         (df_remove_problem): Make local "problem" be const.
5032         * df-problems.c (problem_RD): Make const.
5033         (problem_LR): Likewise.
5034         (problem_LIVE): Likewise.
5035         (problem_MIR): Likewise.
5036         (problem_CHAIN): Likewise.
5037         (problem_WORD_LR): Likewise.
5038         (problem_NOTE): Likewise.
5039         (problem_MD): Likewise.
5040         * df-scan.c (problem_SCAN): Likewise.
5041         * df.h (struct df_problem): Make field "dependent_problem" be
5042         const.
5043         (struct dataflow): Likewise for field "problem".
5044         (df_add_problem): Make param const.
5045
5046 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5047
5048         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
5049         inter-unit moves to/from vector registers are enabled.  Do not disable
5050         for TARGET_MMX.
5051
5052 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5053
5054         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
5055         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
5056         #define to...
5057         (enum df_problem_id): ...this new enum.
5058         (struct df_problem): Convert field "id" from "int" to
5059         enum df_problem_id.
5060
5061 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5062
5063         * rtl.def: Update comment for "things in the instruction chain" to
5064         reflect the removal of the leading "i" field for INSN_UID in
5065         r210360.  Fix bogus apostrophe.
5066
5067 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5068
5069         * config/i386/i386.md
5070         (lea arith with mem operand + setcc peephole2): Set operator mode.
5071
5072 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5073
5074         PR target/70155
5075         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
5076         (dimode_scalar_to_vector_candidate_p): This.
5077         (timode_scalar_to_vector_candidate_p): New function.
5078         (scalar_to_vector_candidate_p): Likewise.
5079         (timode_check_non_convertible_regs): Likewise.
5080         (timode_remove_non_convertible_regs): Likewise.
5081         (remove_non_convertible_regs): Likewise.
5082         (remove_non_convertible_regs): Renamed to ...
5083         (dimode_remove_non_convertible_regs): This.
5084         (scalar_chain::~scalar_chain): Make it virtual.
5085         (scalar_chain::compute_convert_gain): Make it pure virtual.
5086         (scalar_chain::mark_dual_mode_def): Likewise.
5087         (scalar_chain::convert_insn): Likewise.
5088         (scalar_chain::convert_registers): Likewise.
5089         (scalar_chain::add_to_queue): Make it protected.
5090         (scalar_chain::emit_conversion_insns): Likewise.
5091         (scalar_chain::replace_with_subreg): Likewise.
5092         (scalar_chain::replace_with_subreg_in_insn): Likewise.
5093         (scalar_chain::convert_op): Likewise.
5094         (scalar_chain::convert_reg): Likewise.
5095         (scalar_chain::make_vector_copies): Likewise.
5096         (scalar_chain::convert_registers): New pure virtual function.
5097         (class dimode_scalar_chain): New class.
5098         (class timode_scalar_chain): Likewise.
5099         (scalar_chain::mark_dual_mode_def): Renamed to ...
5100         (dimode_scalar_chain::mark_dual_mode_def): This.
5101         (timode_scalar_chain::mark_dual_mode_def): New function.
5102         (timode_scalar_chain::convert_insn): Likewise.
5103         (dimode_scalar_chain::convert_registers): Likewise.
5104         (scalar_chain::compute_convert_gain): Renamed to ...
5105         (dimode_scalar_chain::compute_convert_gain): This.
5106         (scalar_chain::replace_with_subreg): Renamed to ...
5107         (dimode_scalar_chain::replace_with_subreg): This.
5108         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
5109         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
5110         (scalar_chain::make_vector_copies): Renamed to ...
5111         (dimode_scalar_chain::make_vector_copies): This.
5112         (scalar_chain::convert_reg): Renamed to ...
5113         (dimode_scalar_chain::convert_reg ): This.
5114         (scalar_chain::convert_op): Renamed to ...
5115         (dimode_scalar_chain::convert_op): This.
5116         (scalar_chain::convert_insn): Renamed to ...
5117         (dimode_scalar_chain::convert_insn): This.
5118         (scalar_chain::convert): Call convert_registers.
5119         (convert_scalars_to_vector): Change to scalar_chain pointer to
5120         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
5121         in 32-bit mode.  Delete scalar_chain pointer.  Call
5122         free_dominance_info in 64-bit mode.
5123         (pass_stv::gate): Remove TARGET_64BIT check.
5124         (ix86_option_override): Put the 64-bit STV pass before the CSE
5125         pass.
5126
5127 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
5128
5129         * dwarf2out.h (struct dw_loc_descr_node): Remove the
5130         dw_loc_frame_offset field.
5131         * dwarf2out.c (new_loc_descr): Likewise.
5132         (resolve_args_picking_1): Turn the VISITED hash set into a
5133         FRAME_OFFSET hash map. Use it to associate a frame offset to
5134         visited nodes. Remove uses of the CHECKING_P macro.
5135         (resolve_args_picking): Update call to resolve_args_picking_1.
5136
5137 2016-04-27  Martin Liska  <mliska@suse.cz>
5138
5139         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
5140         (free_loop_data): Release vuses of groups.
5141
5142 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
5143
5144         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
5145         instead of redundant use_id and boolean have_use_for.
5146         (struct iv_use): Change sub_id into group_id.  Remove field next.
5147         Move fields: related_cands, n_map_members, cost_map and selected
5148         to ...
5149         (struct iv_group): ... here.  New structure.
5150         (struct iv_common_cand): Use structure declaration directly.
5151         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
5152         (MAX_CONSIDERED_USES): Rename macro to ...
5153         (MAX_CONSIDERED_GROUPS): ... here.
5154         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
5155         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
5156         (dump_uses): Rename to ...
5157         (dump_groups): ... here.  Update all uses.
5158         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
5159         (find_induction_variables): Refactor format of dump information.
5160         (record_sub_use): Delete.
5161         (record_use): Update all uses.
5162         (record_group): New function.
5163         (record_group_use, find_interesting_uses_op): Call above functions.
5164         Update all uses.
5165         (find_interesting_uses_cond): Ditto.
5166         (group_compare_offset): New function.
5167         (split_all_small_groups): Rename to ...
5168         (split_small_address_groups_p): ... here.  Update all uses.
5169         (split_address_groups):  Update all uses.
5170         (find_interesting_uses): Refactor format of dump information.
5171         (add_candidate_1): Update all uses.  Remove redundant check on iv,
5172         base and step.
5173         (add_candidate, record_common_cand): Remove redundant assert.
5174         (add_iv_candidate_for_biv): Update use.
5175         (add_iv_candidate_derived_from_uses): Update all uses.
5176         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
5177         (alloc_use_cost_map): Ditto.
5178         (set_use_iv_cost, get_use_iv_cost): Rename to ...
5179         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
5180         (determine_use_iv_cost_generic): Ditto.
5181         (determine_group_iv_cost_generic): Ditto.
5182         (determine_use_iv_cost_address): Ditto.
5183         (determine_group_iv_cost_address): Ditto.
5184         (determine_use_iv_cost_condition): Ditto.
5185         (determine_group_iv_cost_cond): Ditto.
5186         (determine_use_iv_cost): Ditto.
5187         (determine_group_iv_cost): Ditto.
5188         (set_autoinc_for_original_candidates): Update all uses.
5189         (find_iv_candidates): Update all uses.  Refactor dump information.
5190         (determine_use_iv_costs): Ditto.
5191         (determine_iv_costs): Ditto.
5192         (iv_ca_cand_for_use): Rename to ...
5193         (iv_ca_cand_for_group): ... here.  Update all uses.
5194         (iv_ca_add_use, iv_ca_add_group): Ditto.
5195         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
5196         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
5197         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
5198         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
5199         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
5200         (create_new_iv, adjust_iv_update_pos): Ditto.
5201         (rewrite_use_address): Delete.
5202         (rewrite_use_address_1): Rename to ...
5203         (rewrite_use_address): ... here.
5204         (rewrite_use_compare): Update all uses.
5205         (rewrite_use): Delete.
5206         (rewrite_uses): Rename to ...
5207         (rewrite_groups): ... here.  Update all uses.
5208         (remove_unused_ivs, free_loop_data): Update all uses.
5209         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
5210
5211 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5212
5213         * rtlanal.c (nonzero_bits1): Convert preprocessor check
5214         for WORD_REGISTER_OPERATIONS to runtime check.
5215
5216 2016-04-27  Richard Biener  <rguenther@suse.de>
5217
5218         PR ipa/70760
5219         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
5220         aggregate_value_p to determine if a function result is
5221         returned by reference.
5222         (ipa_pta_execute): Functions having their address taken are
5223         not automatically nonlocal.
5224
5225 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5226
5227         PR sanitizer/70683
5228         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
5229         * fold-const.c (operand_equal_p): If flag_checking and
5230         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
5231         and if it returns non-zero, assert iterative_hash_expr on both
5232         args is the same.
5233
5234 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5235
5236         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
5237
5238 2016-04-27  Nick Clifton  <nickc@redhat.com>
5239
5240         PR middle-end/49889
5241         * varasm.c (merge_weak): Generate an error if an attempt is made
5242         to convert a non-weak static function into a weak, public function.
5243
5244 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5245
5246         * params.def (MAX_PARTITION_SIZE): New param.
5247         * doc/invoke.texi: Document lto-max-partition.
5248
5249 2016-04-27  Richard Biener  <rguenther@suse.de>
5250
5251         PR ipa/70785
5252         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
5253         function cummulating used_from_other_partition, externally_visible
5254         and force_output from aliases.
5255         (refered_from_nonlocal_var): Likewise.
5256         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
5257         node flags properly.
5258
5259 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5260
5261         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
5262         (-Wmemset-elt-size): New item.
5263
5264 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5265
5266         PR ada/70759
5267         * stor-layout.h (internal_reference_types): Delete.
5268         * stor-layout.c (reference_types_internal): Likewise.
5269         (internal_reference_types): Likewise.
5270         (layout_type) <REFERENCE_TYPE>: Adjust.
5271
5272 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5273
5274         PR sanitizer/70683
5275         * tree.h (inchash::add_expr): Add FLAGS argument.
5276         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
5277         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
5278         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
5279         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
5280         if swap_tree_comparison (code) is smaller than code, hash that
5281         and arguments in the other order.  Hash CONVERT_EXPR the same
5282         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
5283         of ADDR_EXPR of decl as the decl itself.  Add or remove
5284         OEP_ADDRESS_OF from recursive flags as needed.  For
5285         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
5286         operands commutatively and only the third one normally.
5287         For internal CALL_EXPR hash in CALL_EXPR_IFN.
5288
5289 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5290
5291         * config/rtems.h (LIB_SPEC): Add -latomic.
5292
5293 2016-04-27  Joel Sherrill  <joel@rtems.org>
5294
5295         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
5296         xilink.ld and flags not relevant to RTEMS.
5297
5298 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
5299
5300         * toplev.c (backend_init_target): Avoid calling init_reload when using
5301         LRA.
5302
5303 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5304
5305         * reorg.c (try_merge_delay_insns): Declare i and j inside the
5306         for loops rather than one for the whole function.
5307
5308 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5309
5310         * match.pd (X + CST CMP X): New transformation.
5311
5312 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5313
5314         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
5315         * fold-const.c (fold_binary_loc): Remove 2 transformations
5316         superseded by match.pd.
5317         * match.pd (x+x -> x*2): Generalize to integers.
5318
5319 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
5320
5321         * config/i386/i386.md (operation on memory peephole): Duplicate an
5322         existing peephole and adapt it to match lea rather than an operation
5323         that clobbers CC.
5324
5325         PR rtl-optimization/57193
5326         * opts.c (default_options_table): Add OPT_frename_registers at -O2
5327         and above.
5328         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
5329
5330 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5331
5332         * tree-if-conv.c (any_pred_load_store): New static variable.
5333         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
5334         any_pred_load_store instead of and_mask_load_store.
5335         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
5336         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
5337         (combine_blocks, tree_if_conversion): Ditto.
5338
5339 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5340
5341         PR tree-optimization/70771
5342         PR tree-optimization/70775
5343         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
5344         virtual PHI nodes.  Delete parameter.
5345         (if_convertible_loop_p_1): Delete argument to above function.
5346         (predicate_all_scalar_phis): Delete code handling single-argument
5347         PHIs.
5348         (tree_if_conversion): Mark and update virtual SSA.
5349
5350 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5351
5352         PR target/61821
5353         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
5354         (x86_elf_aligned_common): Rename to ...
5355         (x86_elf_aligned_decl_common): ... this.
5356         Add decl arg.  Switch to .lbss for largecomm object.  Use
5357         LARGECOMM_SECTION_ASM_OP.
5358         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
5359         renaming.
5360         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
5361         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
5362         Pass new decl arg.
5363         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5364         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
5365
5366 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5367
5368         PR target/59407
5369         * config/i386/i386.c (SECTION_LARGE): Define.
5370         (x86_64_elf_select_section): Set it for large data/bss sections.
5371         Only clear SECTION_WRITE for .lrodata.
5372         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
5373         data/bss sections.
5374         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
5375         * varasm.c (default_elf_asm_named_section): Grow flagchars.
5376         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
5377         SECTION_MACH_DEP.
5378         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
5379         * doc/tm.texi: Regenerate.
5380
5381 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5382
5383         PR bootstrap/70704
5384         * configure.ac (--enable-checking): Document extra flag, for
5385         non-release builds default to --enable-checking=yes,extra.
5386         If misc checking and extra checking, define CHECKING_P to 2 instead
5387         of 1.
5388         * common.opt (fchecking=): Add.
5389         * doc/invoke.texi (-fchecking=): Document.
5390         * doc/install.texi: Document --enable-checking changes.
5391         * configure: Regenerated.
5392         * config.in: Regenerated.
5393
5394 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5395
5396         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
5397         attribute instead of which_alternative.
5398         * config/i386/sse.md (*mov<mode>_internal): Ditto.
5399         Use EXT_REX_SSE_REG_P where appropriate.
5400
5401 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5402
5403         * config/i386/predicates.md (const0_operand): Do not match
5404         const_wide_int code.
5405         (const1_operand): Ditto.
5406
5407 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5408
5409         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
5410         for SSE constm1 operands and TARGET_AVX512VL.
5411         (*movti_internal): Ditto.
5412         (*mov<mode>_or): Use constm1_operand predicate.
5413         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
5414         for SSE vector_all_ones operands and TARGET_AVX512VL.
5415         * config/i386/predicates.md (constm1_operand): New predicate.
5416         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
5417         emission of constant -1 load.
5418
5419 2016-04-25  Jason Merrill  <jason@redhat.com>
5420
5421         * gdbinit.in: Skip is-a.h.
5422
5423         * attribs.c (register_scoped_attributes): Fix logic.
5424         * attribs.h: Declare register_scoped_attributes.
5425
5426 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5427
5428         * config/rs6000/rs6000-builtin.def: Correct pasto error for
5429         stxvd2x and stxvw4x built-in functions.
5430
5431 2016-04-25  DJ Delorie  <dj@redhat.com>
5432
5433         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
5434         (ashrhi3): Likewise.
5435         (lshrhi3): Likewise.
5436
5437 2016-04-25  Richard Biener  <rguenther@suse.de>
5438
5439         PR tree-optimization/70780
5440         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
5441         wasn't visited yet.
5442         (compute_antic): Mark blocks with abnormal preds as visited as
5443         they have a final empty antic-in solution already.
5444
5445 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5446
5447         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
5448
5449 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5450
5451         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
5452         mode is VQI to improve mixed mode vectorization.
5453         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
5454         define_insn to match low half of signed vaddw.
5455         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
5456         define_insn to match high half of signed vaddw.
5457         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
5458         define_insn to match low half of unsigned vaddw.
5459         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
5460         define_insn to match high half of unsigned vaddw.
5461         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
5462         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5463         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
5464         for new function.
5465         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5466         * config/arm/predicates.md (vect_par_constant_high): Support
5467         big endian and simplify by calling
5468         arm_simd_check_vect_par_cnst_half
5469         (vect_par_constant_low): Likewise.
5470
5471 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5472
5473         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
5474         predicate for operand 2.
5475
5476 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
5477             H.J. Lu  <hongjiu.lu@intel.com>
5478
5479         * config/i386/i386-protos.h (standard_sse_constant_p): Add
5480         machine_mode argument.
5481         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
5482         constm1_rtx operands.  For VOIDmode constants, get mode from
5483         pred_mode.  Check mode size if the mode is supported by ABI.
5484         (standard_sse_constant_opcode): Do not use standard_constant_p.
5485         Strictly check ABI support for all-ones operands.
5486         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
5487         immediates. Update calls to standard_sse_constant_p.
5488         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
5489         (ix86_rtx_costs): Ditto.
5490         * config/i386/i386.md (*movxi_internal_avx512f): Use
5491         nonimmediate_or_sse_const_operand instead of vector_move_operand.
5492         Use (v,BC) alternative instead of (v,C). Use register_operand
5493         checks instead of MEM_P.
5494         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
5495         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
5496         isa attribute.  Use register_operand checks instead of MEM_P.
5497         (*movti_internal): Use nonimmediate_or_sse_const_operand for
5498         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
5499         alternative and corresponding sse2 isa attribute.
5500         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
5501         to standard_sse_constant_p.
5502         (FP constant splitters): Ditto.
5503         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
5504         (C): Ditto.
5505         * config/i386/predicates.md (constm1_operand): Remove.
5506         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
5507         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
5508         vector_all_ones_operand instead of constm1_operand.
5509
5510 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5511
5512         * print-rtl.c (print_rtx_insn_vec): New function.
5513         * print-rtl.h: New prototype.
5514         * store-motion.c (struct st_expr): Make avail_stores a vector.
5515         (st_expr_entry): Adjust.
5516         (free_st_expr_entry): Likewise.
5517         (print_store_motion_mems): Likewise.
5518         (find_moveable_store): Likewise.
5519         (compute_store_table): Likewise.
5520         (delete_store): Likewise.
5521         (build_store_vectors): Likewise.
5522
5523 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5524
5525         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
5526
5527 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5528
5529         * vec.h (vec_safe_contains): New function.
5530         (vec::contains): Likewise.
5531         (vec::begin): Likewise.
5532         (vec::end): Likewise.
5533
5534 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
5535
5536         PR sanitizer/70712
5537         * cfgexpand.c (expand_stack_vars): Fix typo.
5538
5539 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5540
5541         * system.h (list, map, set, vector): Include conditionally.
5542         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
5543         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
5544         * ipa-icf.c (INCLUDE_LIST): Define.
5545         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
5546         * config/sh/sh.c (INCLUDE_VECTOR): Define.
5547         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
5548         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
5549         * cp/logic.cc (INCLUDE_LIST): Define.
5550         * fortran/trans-common.c (INCLUDE_MAP): Define.
5551
5552 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5553
5554         * auto-profile.c: Remove <string.h> include.
5555         * ipa-icf-gimple.c: Remove <list> include.
5556         * diagnostic.c: Remove <new> include.
5557         * genmatch.c: Likewise.
5558         * pretty-print.c: Likewise.
5559         * toplev.c: Likewise
5560         * c/c-objc-common.c: Likewise.
5561         * cp/error.c: Likewise.
5562         * fortran/error.c: Likewise.
5563
5564 2016-04-22  Richard Biener  <rguenther@suse.de>
5565
5566         * lto-streamer-in.c (input_ssa_names): Do not allocate
5567         GIMPLE_NOP for all SSA names.
5568         * lto-streamer-out.c (output_ssa_names): Do not output
5569         SSA names that should have been released.
5570
5571 2016-04-22  Richard Biener  <rguenther@suse.de>
5572
5573         PR tree-optimization/70740
5574         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
5575         VDEF.
5576
5577 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5578
5579         PR target/70750
5580         * config/i386/predicates.md (call_insn_operand): Replace
5581         sibcall_memory_operand with memory_operand.
5582
5583 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
5584
5585         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
5586         has_single_use() tests.
5587         (register_edge_assert_for_1): Likewise.
5588         (find_assert_locations_1): Check the liveness bitmap instead of
5589         checking has_single_use().
5590
5591 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5592
5593         PR target/70728
5594         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
5595         Extract AVX-512BW constraint from AVX.
5596
5597 2016-04-21  Richard Biener  <rguenther@suse.de>
5598
5599         PR tree-optimization/70725
5600         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
5601         for phi_convertible_by_degenerating_args.
5602         (predicate_all_scalar_phis): Handle single-argument PHIs.
5603
5604 2016-04-21  Richard Biener  <rguenther@suse.de>
5605
5606         PR middle-end/70747
5607         * fold-const.c (fold_comparison): Return properly typed
5608         constant boolean.
5609
5610 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
5611
5612         PR tree-optimization/70715
5613         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
5614         after expanding BASE using expand_simple_operations.
5615
5616 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5617
5618         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
5619         New transformations.
5620
5621 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5622
5623         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
5624
5625 2016-04-20  Jan Hubicka  <jh@suse.cz>
5626
5627         * ipa-inline.c (can_inline_edge_p): Pass caller info to
5628         ultiimate_alias_target.
5629         (update_callee_keys): Likewise.
5630         (lookup_recursive_calls): Likewise.
5631         (speculation_useful_p): Likewise.
5632
5633 2016-04-20  Jan Hubicka  <jh@suse.cz>
5634
5635         PR ipa/70018
5636         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
5637         (set_nothrow_flag_1): ... this; handle interposition correctly;
5638         recurse on aliases and thunks.
5639         (cgraph_node::set_nothrow_flag): New.
5640         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
5641         functions compiled with non-call exceptions that binds to current
5642         def.
5643         (propagate_nothrow): Be safe WRT interposition.
5644         * cgraph.h (set_nothrow_flag): Update prototype.
5645
5646 2016-04-18  Jan Hubicka  <jh@suse.cz>
5647
5648         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5649         max_loop_iterations_int.
5650         (tree_unswitch_outer_loop): Likewise.
5651
5652 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5653
5654         PR tree-optimization/69489
5655         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
5656         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
5657         Revise dump message.
5658         (if_convertible_bb_p): Remove check on edge count of basic block's
5659         predecessors.
5660
5661 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5662
5663         PR tree-optimization/56625
5664         PR tree-optimization/69489
5665         * tree-data-ref.h (DR_INNERMOST): New macro.
5666         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
5667         hashing struct innermost_loop_behavior.
5668         (ref_DR_map): Remove.
5669         (innermost_DR_map): New map.
5670         (baseref_DR_map): Revise comment.
5671         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
5672         to innermost_DR_map accroding to its innermost loop behavior.
5673         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
5674         to its innermost loop behavior.
5675         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
5676         Add initialization for innermost_DR_map.  Record memory reference
5677         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
5678         have innermost loop behavior.
5679         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
5680         innermost_DR_map.
5681
5682 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
5683
5684         * config/i386/i386.md (*lea<mode>_general_1): Rename from
5685         *lea_general_1.  Use explicit SWI12 mode interator.
5686         (*lea<mode>_general_2): Rename from *lea_general_2.
5687         Use explicit SWI12 mode interator.
5688         (*lea<mode>_general_3): Rename from *lea_general_3.
5689         Use explicit SWI12 mode interator.
5690         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
5691         Use explicit SWI12 mode interator.
5692         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
5693         Use explicit SWI48 mode interator.
5694
5695 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5696
5697         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5698         Short-cut unaligned load and store cases.  Handle all integer
5699         vector modes.
5700         (ix86_expand_vector_move_misalign): Short-cut unaligned load
5701         and store cases.  Call ix86_avx256_split_vector_move_misalign
5702         directly without checking mode class.
5703
5704 2016-04-20  Andrew Pinski  <apinski@cavium.com>
5705             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5706
5707         PR target/64971
5708         * config/aarch64/aarch64.md (sibcall): Force call
5709         address to be DImode for ILP32.
5710         (sibcall_value): Likewise.
5711
5712 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5713
5714         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
5715
5716 2016-04-20  Richard Biener  <rguenther@suse.de>
5717
5718         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
5719         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
5720         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
5721         (maybe_push_res_to_seq): Adjust.
5722         * gimple-fold.c (maybe_build_generic_op): Likewise.
5723
5724 2016-04-20  Marek Polacek  <polacek@redhat.com>
5725
5726         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
5727         rather than true.
5728
5729 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
5730
5731         * config/i386/sse.md (vec_unpacks_lo_hi): Always
5732         use kmovw to support AVX512F target.
5733
5734 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5735
5736         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
5737
5738 2016-04-20  Marek Polacek  <polacek@redhat.com>
5739
5740         PR tree-optimization/70725
5741         * tree-if-conv.c (is_false_predicate): New function.
5742         (predicate_mem_writes): Use it.
5743
5744 2016-04-20  Richard Biener  <rguenther@suse.de>
5745
5746         PR tree-optimization/70726
5747         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
5748         shift amounts from a pattern stmt operand.
5749
5750 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5751
5752         PR target/70674
5753         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
5754         stack_restore_from_fpr pattern when restoring r15.
5755         (s390_optimize_prologue): Strip away the memory barrier in the
5756         parallel when trying to get rid of restore insns.
5757         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
5758         definition for loading the stack pointer from an FPR.  Compared to
5759         the normal move insn this pattern includes a full memory barrier.
5760
5761 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
5762
5763         PR middle-end/70680
5764         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
5765         implicitly linear or lastprivate iterator on the outer context.
5766
5767 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5768
5769         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
5770         alignment check.
5771         * config/i386/i386.md (ssememalign): Removed.
5772         * config/i386/sse.md: Remove ssememalign attribute from patterns.
5773
5774 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5775
5776         PR target/69201
5777         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
5778         const short * to __builtin_ia32_loaddquhi512_mask.
5779         (_mm512_maskz_loadu_epi16): Likewise.
5780         (_mm512_mask_storeu_epi16): Pass short * to
5781         __builtin_ia32_storedquhi512_mask.
5782         (_mm512_mask_loadu_epi8): Pass const char * to
5783         __builtin_ia32_loaddquqi512_mask.
5784         (_mm512_maskz_loadu_epi8): Likewise.
5785         (_mm512_mask_storeu_epi8): Pass char * to
5786         __builtin_ia32_storedquqi512_mask.
5787         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
5788         const double * to __builtin_ia32_loadupd512_mask.
5789         (_mm512_mask_loadu_pd): Likewise.
5790         (_mm512_maskz_loadu_pd): Likewise.
5791         (_mm512_storeu_pd): Pass double * to
5792         __builtin_ia32_storeupd512_mask.
5793         (_mm512_mask_storeu_pd): Likewise.
5794         (_mm512_loadu_ps): Pass const float * to
5795         __builtin_ia32_loadups512_mask.
5796         (_mm512_mask_loadu_ps): Likewise.
5797         (_mm512_maskz_loadu_ps): Likewise.
5798         (_mm512_storeu_ps): Pass float * to
5799         __builtin_ia32_storeups512_mask.
5800         (_mm512_mask_storeu_ps): Likewise.
5801         (_mm512_mask_loadu_epi64): Pass const long long * to
5802         __builtin_ia32_loaddqudi512_mask.
5803         (_mm512_maskz_loadu_epi64): Likewise.
5804         (_mm512_mask_storeu_epi64): Pass long long *
5805         to __builtin_ia32_storedqudi512_mask.
5806         (_mm512_loadu_si512): Pass const int * to
5807         __builtin_ia32_loaddqusi512_mask.
5808         (_mm512_mask_loadu_epi32): Likewise.
5809         (_mm512_maskz_loadu_epi32): Likewise.
5810         (_mm512_storeu_si512): Pass int * to
5811         __builtin_ia32_storedqusi512_mask.
5812         (_mm512_mask_storeu_epi32): Likewise.
5813         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
5814         char * to __builtin_ia32_storedquqi256_mask.
5815         (_mm_mask_storeu_epi8): Likewise.
5816         (_mm256_mask_loadu_epi16): Pass const short * to
5817         __builtin_ia32_loaddquhi256_mask.
5818         (_mm256_maskz_loadu_epi16): Likewise.
5819         (_mm_mask_loadu_epi16): Pass const short * to
5820         __builtin_ia32_loaddquhi128_mask.
5821         (_mm_maskz_loadu_epi16): Likewise.
5822         (_mm256_mask_loadu_epi8): Pass const char * to
5823         __builtin_ia32_loaddquqi256_mask.
5824         (_mm256_maskz_loadu_epi8): Likewise.
5825         (_mm_mask_loadu_epi8): Pass const char * to
5826         __builtin_ia32_loaddquqi128_mask.
5827         (_mm_maskz_loadu_epi8): Likewise.
5828         (_mm256_mask_storeu_epi16): Pass short * to.
5829         __builtin_ia32_storedquhi256_mask.
5830         (_mm_mask_storeu_epi16): Pass short * to.
5831         __builtin_ia32_storedquhi128_mask.
5832         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
5833         const double * to __builtin_ia32_loadupd256_mask.
5834         (_mm256_maskz_loadu_pd): Likewise.
5835         (_mm_mask_loadu_pd): Pass onst double * to
5836         __builtin_ia32_loadupd128_mask.
5837         (_mm_maskz_loadu_pd): Likewise.
5838         (_mm256_mask_storeu_pd): Pass double * to
5839         __builtin_ia32_storeupd256_mask.
5840         (_mm_mask_storeu_pd): Pass double * to
5841         __builtin_ia32_storeupd128_mask.
5842         (_mm256_mask_loadu_ps): Pass const float * to
5843         __builtin_ia32_loadups256_mask.
5844         (_mm256_maskz_loadu_ps): Likewise.
5845         (_mm_mask_loadu_ps): Pass const float * to
5846         __builtin_ia32_loadups128_mask.
5847         (_mm_maskz_loadu_ps): Likewise.
5848         (_mm256_mask_storeu_ps): Pass float * to
5849         __builtin_ia32_storeups256_mask.
5850         (_mm_mask_storeu_ps): ass float * to
5851         __builtin_ia32_storeups128_mask.
5852         (_mm256_mask_loadu_epi64): Pass const long long * to
5853         __builtin_ia32_loaddqudi256_mask.
5854         (_mm256_maskz_loadu_epi64): Likewise.
5855         (_mm_mask_loadu_epi64): Pass const long long * to
5856         __builtin_ia32_loaddqudi128_mask.
5857         (_mm_maskz_loadu_epi64): Likewise.
5858         (_mm256_mask_storeu_epi64): Pass long long * to
5859         __builtin_ia32_storedqudi256_mask.
5860         (_mm_mask_storeu_epi64): Pass long long * to
5861         __builtin_ia32_storedqudi128_mask.
5862         (_mm256_mask_loadu_epi32): Pass const int * to
5863         __builtin_ia32_loaddqusi256_mask.
5864         (_mm256_maskz_loadu_epi32): Likewise.
5865         (_mm_mask_loadu_epi32): Pass const int * to
5866         __builtin_ia32_loaddqusi128_mask.
5867         (_mm_maskz_loadu_epi32): Likewise.
5868         (_mm256_mask_storeu_epi32): Pass int * to
5869         __builtin_ia32_storedqusi256_mask.
5870         (_mm_mask_storeu_epi32): Pass int * to
5871         __builtin_ia32_storedqusi128_mask.
5872         * config/i386/i386-builtin-types.def (PCSHORT): New.
5873         (PINT64): Likewise.
5874         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
5875         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
5876         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
5877         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
5878         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
5879         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
5880         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
5881         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
5882         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
5883         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
5884         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
5885         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
5886         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
5887         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
5888         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
5889         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
5890         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
5891         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
5892         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
5893         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
5894         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
5895         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
5896         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
5897         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
5898         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
5899         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
5900         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
5901         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
5902         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
5903         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
5904         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
5905         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
5906         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
5907         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
5908         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
5909         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
5910         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
5911         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
5912         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
5913         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
5914         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
5915         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
5916         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
5917         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
5918         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
5919         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
5920         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
5921         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
5922         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
5923         use UNSPEC_STOREU.
5924         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
5925         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
5926         load nor store.
5927         (ix86_expand_vector_move_misalign): Likewise.
5928         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
5929         to scalar function prototype for unaligned load/store builtins.
5930         (ix86_expand_special_args_builtin): Updated.
5931         * config/i386/sse.md (UNSPEC_LOADU): Removed.
5932         (UNSPEC_STOREU): Likewise.
5933         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
5934         (VI_ULOADSTORE_F_AVX512VL): Likewise.
5935         (ssescalarsize): Handle V4TI, V2TI and V1TI.
5936         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5937         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5938         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
5939         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
5940         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
5941         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
5942         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
5943         (<avx512>_storedqu<mode>_mask): Likewise.
5944         (*sse4_2_pcmpestr_unaligned): Likewise.
5945         (*sse4_2_pcmpistr_unaligned): Likewise.
5946         (*mov<mode>_internal): Renamed to ...
5947         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
5948         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
5949         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
5950         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
5951
5952 2016-04-19  Richard Biener  <rguenther@suse.de>
5953
5954         PR tree-optimization/70171
5955         * tree-ssa-phiprop.c: Include stor-layout.h.
5956         (phiprop_insert_phi): Handle the aggregate copy case.
5957         (propagate_with_phi): Likewise.
5958
5959 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
5960
5961         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
5962         instead of simplify_gen_subreg (... , 0).
5963         (ix86_delegitimize_address): Ditto.
5964         (ix86_split_divmod): Ditto.
5965         (ix86_split_copysign_const): Ditto.
5966         (ix86_split_copysign_var): Ditto.
5967         (ix86_expand_args_builtin): Ditto.
5968         (ix86_expand_round_builtin): Ditto.
5969         (ix86_expand_special_args_builtin): Ditto.
5970         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
5971         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
5972         (udivmodqi4): Ditto.
5973         (absneg splitters): Ditto.
5974         (*jcc_bt<mode>_1): Ditto.
5975
5976 2016-04-19  Richard Biener  <rguenther@suse.de>
5977
5978         PR tree-optimization/70724
5979         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
5980         restoring out from ...
5981         (free_scc_vn): ... here.
5982         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
5983         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
5984         tail merging.
5985         (pass_fre::execute): Restore SSA info.
5986
5987 2016-04-19  Richard Biener  <rguenther@suse.de>
5988
5989         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
5990         * gimple-walk.c (walk_gimple_op): Initialize it.
5991         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
5992         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
5993         remapping SSA names of defs.
5994         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
5995         adjustment.
5996
5997 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
5998
5999         PR middle-end/70689
6000         * lra-constraints.c (equiv_substition_p): New.
6001         (process_alt_operands): Use it.
6002         (swap_operands): Swap it.
6003         (curr_insn_transform): Update it.
6004
6005 2016-04-18  Michael Matz  <matz@suse.de>
6006
6007         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
6008         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
6009         * tree-core.h (tree_type_common.align): Use bit-field.
6010         (tree_type_common.spare): New.
6011         (tree_decl_common.off_align): Make smaller.
6012         (tree_decl_common.align): Use bit-field.
6013
6014         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
6015         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
6016         (scan_sharing_clauses): Ditto.
6017         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6018         (omp_finish_file): Ditto.
6019         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
6020         (layout_decl): Ditto.
6021         (relayout_decl): Ditto.
6022         (finalize_record_size): Use SET_TYPE_ALIGN.
6023         (finalize_type_size): Ditto.
6024         (finish_builtin_struct): Ditto.
6025         (layout_type): Ditto.
6026         (initialize_sizetypes): Ditto.
6027         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
6028         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
6029         (lookup_field_for_decl): Use SET_DECL_ALIGN.
6030         (get_chain_field): Ditto.
6031         (get_trampoline_type): Ditto.
6032         (get_nl_goto_field): Ditto.
6033         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
6034         SET_DECL_ALIGN.
6035         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
6036         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
6037         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6038         (build_qualified_type): Use SET_TYPE_ALIGN.
6039         (build_aligned_type, build_range_type_1): Ditto.
6040         (build_atomic_base): Ditto.
6041         (build_common_tree_nodes): Ditto.
6042         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
6043         (expand_one_stack_var_at): Ditto.
6044         * coverage.c (build_var): Use SET_DECL_ALIGN.
6045         * except.c (init_eh): Ditto.
6046         * function.c (assign_parm_setup_block): Ditto.
6047         * symtab.c (increase_alignment_1): Ditto.
6048         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
6049         * tree-vect-stmts.c (ensure_base_align): Ditto.
6050         * varasm.c (align_variable): Ditto.
6051         (assemble_variable): Ditto.
6052         (build_constant_desc): Ditto.
6053         (output_constant_def_contents): Ditto.
6054
6055         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
6056         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
6057         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
6058         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
6059         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
6060
6061 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
6062
6063         PR target/70708
6064         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
6065         replace %vmovsd with "%vmovq".
6066         (vec_concatv2df): Likewise.
6067
6068 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
6069
6070         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
6071         (*vec_extractv2si_0): Ditto.
6072         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
6073         (zero_extended_scalar_load_operand splitters): Ditto.
6074         (vec_extract splitters): Ditto.
6075         (*vec_extractv4si_0_zext): Ditto.
6076         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
6077         and lowpart_subreg.
6078         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
6079         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
6080         (*sse4_1_extractps): Use lowpart_subreg.
6081         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
6082
6083 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6084
6085         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
6086         gld requirements.
6087         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
6088         Mention Solaris 11 packaging changes.
6089         Update gas and gld requirements.
6090         Remove reference to pre-Solaris 10 bug.
6091         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
6092         systems and bugs.
6093         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
6094         with cc.
6095
6096 2016-04-17  Jan Hubicka  <jh@suse.cz>
6097
6098         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
6099         max_loop_iterations_int.
6100
6101 2016-04-18  Richard Biener  <rguenther@suse.de>
6102
6103         PR tree-optimization/43434
6104         * tree-ssa-structalias.c (struct vls_data): New.
6105         (visit_loadstore): Handle all pointer-based accesses.
6106         (compute_dependence_clique): Compute a bitmap of restrict tags
6107         assigned bases and pass it to visit_loadstore.
6108
6109 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
6110
6111         PR target/70711
6112         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
6113         armv8.1-a and armv8.1-a+crc.
6114
6115 2016-04-18  Richard Biener  <rguenther@suse.de>
6116
6117         PR tree-optimization/70701
6118         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
6119         references after translating through a memcpy.
6120
6121 2016-04-18  Richard Biener  <rguenther@suse.de>
6122
6123         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
6124         (compute_antic): ... here.  For partial antic use regular
6125         postorder and scrap iteration.
6126         (compute_partial_antic_aux): Remove unused return value.
6127         (init_pre): Do not allocate postorder.
6128         (fini_pre): Do not free postorder.
6129
6130 2016-04-18  Richard Biener  <rguenther@suse.de>
6131
6132         PR middle-end/37870
6133         * expmed.c (extract_bit_field_1): Remove broken case
6134         using a wider MODE_INT mode.
6135
6136 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
6137
6138         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
6139         unless compiling with at least GCC-4.8.
6140
6141 2016-04-17  Jan Hubicka  <jh@suse.cz>
6142
6143         PR bootstrap/70706
6144         * graphite.c (graphite_finalize): Update call to
6145         tree_estimate_probability.
6146         * predict.h (tree_estimate_probability): Update prototype.
6147
6148 2016-04-17  Jan Hubicka  <jh@suse.cz>
6149
6150         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
6151         (tree_estimate_probability): Likewise.
6152         (pass_profile::execute): Update.
6153         (report_predictor_hitrates): New function.
6154         * profile.c (compute_branch_probabilities): Use it.
6155         * predict.h (report_predictor_hitrates): Declare.
6156
6157 2016-04-17  Jan Hubicka  <jh@suse.cz>
6158
6159         PR ipa/70018
6160         * cgraph.h (cgraph_node::set_const_flag,
6161         cgraph_node::set_pure_flag): Update prototype to return bool;
6162         update comment.
6163         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
6164         of interposable symbol are interposable, too.
6165         (cgraph_set_const_flag_1): Rename to ...
6166         (set_const_flag_1): ... this one; change to self recursive function
6167         instead of call_for_symbol_thunks_and_aliases. Handle correctly
6168         clearnig the flag in all variants and also virtual thunks of const
6169         functions are pure; track if any change was done.
6170         (cgraph_node::set_const_flag): Update.
6171         (struct set_pure_flag_info): New struct.
6172         (cgraph_set_pure_flag_1): Rename to ...
6173         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
6174         rather than pointer encoded flags; track if any changes was done;
6175         handle correctly clearning flag and setting flag of aliases already
6176         declared const.
6177         (cgraph_node::set_pure_flag): Update.
6178         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
6179
6180 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6181
6182         PR other/70433
6183         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
6184         backslash in label.
6185
6186 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6187
6188         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
6189         '{}<> ' as escape-for-record.
6190
6191 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6192
6193         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
6194         structure.
6195
6196 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6197
6198         PR other/70185
6199         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
6200         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
6201         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
6202         * passes.c (finish_optimization_passes): Only call
6203         finish_graph_dump_file if dfi->graph_dump_initialized.
6204         (execute_function_dump, pass_init_dump_file): Use
6205         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
6206
6207 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6208
6209         PR tree-optimization/70256
6210         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
6211         (debug_varmap): New function.
6212
6213 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6214
6215         PR other/70183
6216         * passes.c (pass_manager::register_pass): Propagate pflags.
6217
6218 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6219
6220         PR other/68875
6221         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
6222         * passes.c (pass_manager::pass_manager): Declare and init p_start in
6223         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
6224         check if it's equal to p_start.
6225         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
6226
6227 2016-04-15  Jan Hubicka  <jh@suse.cz>
6228
6229         PR ipa/70018
6230         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
6231         function does not bind to current def.
6232         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
6233         handle conservatively calls to functions that does not need to bind
6234         to current def.
6235         (check_call): Update call of worse_state.
6236         (ignore_edge_for_nothrow): Update.
6237         (ignore_edge_for_pure_const): Likewise.
6238         (propagate_pure_const): Update calls to worse_state.
6239         (skip_function_for_local_pure_const): Reformat comments.
6240
6241 2016-04-15  Jan Hubicka  <jh@suse.cz>
6242
6243         PR ipa/70018
6244         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
6245         (cgraph_node::function_symbol): Likewise.
6246         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6247         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
6248         (symtab_node::ultimate_alias_target): Add REF parameter.
6249         (symtab_node::binds_to_current_def_p): Declare.
6250         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
6251         (cgraph_node::function_symbol): Likewise.
6252         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6253         (cgraph_node::get_availability): Likewise.
6254         (cgraph_edge::binds_to_current_def_p): New inline function.
6255         (varpool_node::get_availability): Add REF parameter.
6256         (varpool_node::ultimate_alias_target): Likewise.
6257         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
6258         (symtab_node::binds_to_current_def_p): Likewise.
6259         * varpool.c (varpool_node::get_availability): Likewise.
6260
6261 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6262
6263         PR target/70662
6264         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
6265         Fix mode size check.
6266
6267 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6268
6269         * BASE-VER: Set to 7.0.0.
6270
6271 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
6272
6273         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
6274
6275 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6276
6277         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
6278         architecture revisions.
6279
6280 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
6281
6282         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
6283         * config/i386/i386.c (ix86_using_red_zone): No longer static.
6284         * config/i386/i386.md (stack decrement to push peepholes): Guard
6285         with !x86_using_red_zone ().
6286
6287 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6288
6289         PR c++/70675
6290         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
6291         to dump_generic_node.
6292         (NIY): Pass also flags to do_niy.
6293
6294 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
6295
6296         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
6297         (simd_clone_vector_of_formal_parm_types)
6298         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
6299         (simd_clone_mangle, simd_clone_create)
6300         (simd_clone_adjust_return_type, create_tmp_simd_array)
6301         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
6302         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
6303         (ipa_simd_modify_function_body, simd_clone_linear_addend)
6304         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
6305         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
6306         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
6307         * omp-simd-clone.c: ... this new file.
6308         (simd_clone_vector_of_formal_parm_types): Make it static.
6309         * Makefile.in (OBJS): Add omp-simd-clone.o.
6310
6311 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6312
6313         PR target/70662
6314         * config/i386/sse.md: Use proper memory operand modifiers.
6315
6316
6317 2016-04-15  Richard Biener  <rguenther@suse.de>
6318         Alan Modra  <amodra@gmail.com>
6319
6320         PR tree-optimization/70130
6321         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
6322         when alignment stays not the same and no not use the realign
6323         scheme then.
6324
6325 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6326
6327         PR target/70669
6328         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6329         direct move handlers for KFmode. Change TFmode handlers test from
6330         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
6331
6332 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
6333
6334         PR c++/70594
6335         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
6336         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
6337         (inlined_polymorphic_ctor_dtor_block_p): Use it.
6338         * tree-ssa-live.c (remove_unused_scope_block_p): When
6339         in_ctor_dtor_block, avoid discarding not just BLOCKs with
6340         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
6341         block_ultimate_origin is FUNCTION_DECL.
6342         (remove_unused_locals): If current_function_decl is
6343         polymorphic_ctor_dtor_p, pass initial true to
6344         remove_unused_scope_block_p' is_ctor_dtor_block.
6345
6346 2016-04-14  Martin Sebor  <msebor@redhat.com>
6347
6348         PR c++/69517
6349         PR c++/70019
6350         PR c++/70588
6351         * doc/extend.texi (Variable Length): Revert.
6352
6353 2016-04-14  Marek Polacek  <polacek@redhat.com>
6354             Jan Hubicka  <hubicka@ucw.cz>
6355
6356         PR c++/70029
6357         * tree.c (verify_type): Disable the canonical type of main variant
6358         check.
6359
6360 2016-04-14  Jason Merrill  <jason@redhat.com>
6361
6362         * cfgexpand.c, expr.c: Revert previous change.
6363
6364 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
6365
6366         PR middle-end/70643
6367         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
6368         when building a mem ref for the incoming reduction variable.
6369
6370 2016-04-14  Richard Biener  <rguenther@suse.de>
6371
6372         PR tree-optimization/70614
6373         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
6374         loop if the evolution dropped to chrec_dont_know.
6375         (interpret_condition_phi): Likewise.
6376
6377 2016-04-14  Richard Biener  <rguenther@suse.de>
6378
6379         PR tree-optimization/70623
6380         * tree-ssa-pre.c (changed_blocks): Make global ...
6381         (compute_antic): ... local here.  Move and fix worklist
6382         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
6383         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
6384         worklist handling, dump when ANTIC_IN changed.
6385         (compute_partial_antic_aux): Remove worklist handling.
6386         (init_pre): Do not compute post dominators.  Add a comment about
6387         the CFG order chosen.
6388         (fini_pre): Do not free post dominators.
6389
6390 2016-04-13  Martin Sebor  <msebor@redhat.com>
6391
6392         PR c++/69517
6393         PR c++/70019
6394         PR c++/70588
6395         * doc/extend.texi (Variable Length): Document C++ specifics.
6396
6397 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6398
6399         PR c++/70641
6400         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
6401         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
6402         eh edges have been purged.
6403
6404         PR c++/70594
6405         * tree-sra.c (create_access_replacement,
6406         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
6407         gets fancy name.
6408         * tree-pretty-print.c (dump_fancy_name): New function.
6409         (dump_decl_name, dump_generic_node): Use it.
6410
6411 2016-04-13  Jason Merrill  <jason@redhat.com>
6412
6413         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
6414         * expr.c (expand_expr_real_1): Likewise.
6415
6416 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
6417
6418         * config/i386/i386.md (kunpckhi): Swap operands.
6419         (kunpcksi): Likewise.
6420         (kunpckdi): Likewise.
6421         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
6422         (vec_pack_trunc_<mode>): Likewise.
6423
6424 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6425
6426         PR debug/70628
6427         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
6428
6429         PR middle-end/70633
6430         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
6431         gimplification turns some element into non-constant.
6432
6433         PR debug/70628
6434         * rtl.h (convert_memory_address_addr_space_1): New prototype.
6435         * explow.c (convert_memory_address_addr_space_1): No longer static,
6436         add NO_EMIT argument and don't call convert_modes if true, pass
6437         it down recursively, remove break after return.
6438         (convert_memory_address_addr_space): Adjust caller.
6439         * simplify-rtx.c (simplify_unary_operation_1): Call
6440         convert_memory_address_addr_space_1 instead of convert_memory_address,
6441         if it returns NULL, don't simplify.
6442
6443 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6444
6445         PR target/70630
6446         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6447
6448 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6449
6450         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6451         Bump the upper SIMDLEN limits, so that if the return type or
6452         characteristic type if the return type is void can be passed in
6453         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
6454         allowed.
6455
6456 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6457
6458         PR target/70640
6459         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
6460         Do not use "=" constraint on an input constraint.
6461         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
6462         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
6463         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
6464         generates (neg (abs ...)) instead of (abs ...).
6465
6466 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6467
6468         PR rtl-optimization/70596
6469         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
6470         just invalidate LRA data and reset them.  Adjust dump wording.
6471
6472 2016-04-12  Martin Liska  <mliska@suse.cz>
6473
6474         Revert
6475         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6476
6477         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6478         estimates here.
6479         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6480         max_loop_iterations_int.
6481         (tree_unswitch_outer_loop): Likewise.
6482         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6483         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6484
6485 2016-04-12  Tom de Vries  <tom@codesourcery.com>
6486
6487         PR tree-optimization/68756
6488         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
6489         instead of new_name.
6490
6491 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6492
6493         PR tree-optimization/70602
6494         * tree-sra.c (generate_subtree_copies): Don't write anything into
6495         constant pool decls.
6496
6497         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
6498         regardless whether there are depend clauses or not.
6499
6500 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6501
6502         PR target/70381
6503         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
6504         target attribute and pragma from changing the -mfloat128
6505         and -mfloat128-hardware options.
6506
6507         * doc/extend.texi (Additional Floating Types): Document PowerPC
6508         __float128 restrictions.
6509
6510 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6511
6512         PR target/70133
6513         * config/aarch64/driver-aarch64.c
6514         (aarch64_get_extension_string_for_isa_flags): New.
6515         (arch_extension): Rename to...
6516         (aarch64_arch_extension): ...This.
6517         (ext_to_feat_string): Rename to...
6518         (aarch64_extensions): ...This.
6519         (aarch64_core_data): Keep track of architecture extension flags.
6520         (cpu_data): Rename to...
6521         (aarch64_cpu_data): ...This.
6522         (aarch64_arch_driver_info): Keep track of architecture extension
6523         flags.
6524         (get_arch_name_from_id): Rename to...
6525         (get_arch_from_id): ...This, change return type.
6526         (host_detect_local_cpu): Update and reformat for renames, handle
6527         extensions through common infrastructure.
6528
6529 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6530
6531         PR target/70133
6532         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
6533         track of a canonical flag name.
6534         (all_extensions): Likewise.
6535         (arch_to_arch_name): Also track extension flags enabled by the arch.
6536         (all_architectures): Likewise.
6537         (aarch64_parse_extension): Move to here.
6538         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
6539         rework.
6540         (aarch64_rewrite_selected_cpu): Update for above change.
6541         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
6542         are handled, such that the single explicit value enabled by an
6543         extension is kept seperate from the implicit values it also enables.
6544         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
6545         to here.
6546         (aarch64_parse_extension): New.
6547         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
6548         here to config/aarch64/aarch64-protos.h.
6549         (aarch64_parse_extension): Move from here to
6550         common/config/aarch64/aarch64-common.c.
6551         (aarch64_option_print): Update.
6552         (aarch64_declare_function_name): Likewise.
6553         (aarch64_start_file): Likewise.
6554         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
6555         the canonical flag for extensions.
6556         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
6557         flags.
6558
6559 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6560
6561         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
6562         AARCH64_FL_CRC.
6563
6564 2016-04-09  Tom de Vries  <tom@codesourcery.com>
6565
6566         PR tree-optimization/68953
6567         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
6568         first to last subscript.
6569
6570 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
6571
6572         PR tree-optimization/70586
6573         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
6574         for any calls.
6575
6576 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
6577
6578         PR lto/70289
6579         PR ipa/70348
6580         PR tree-optimization/70373
6581         PR middle-end/70533
6582         PR middle-end/70534
6583         PR middle-end/70535
6584         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
6585         clauses for acc parallel reductions as necessary.  Error on those
6586         that are private.
6587         * omp-low.c (scan_sharing_clauses): Don't install variables which
6588         are used in acc parallel reductions.
6589         (lower_rec_input_clauses): Remove dead code.
6590         (lower_oacc_reductions): Add support for reference reductions.
6591         (lower_reduction_clauses): Remove dead code.
6592         (lower_omp_target): Don't remap variables appearing in acc parallel
6593         reductions.
6594         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
6595
6596 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
6597
6598         PR middle-end/70593
6599         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
6600         with multiple SSA_NAME defs, force the outputs other than first
6601         to be live before calling live_track_process_def on each output.
6602
6603         PR rtl-optimization/70574
6604         * fwprop.c (forward_propagate_and_simplify): Don't add
6605         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
6606         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
6607         paradoxical subregs within *loc.
6608
6609 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
6610
6611         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
6612         -ftree-parallelize-loops={0,1}.
6613         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
6614         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
6615         * config/ia64/hpux.h (LIB_SPEC): Likewise.
6616         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
6617         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
6618
6619 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
6620
6621         PR sanitizer/70541
6622         * asan.c (instrument_derefs): If we get unknown location, extract it
6623         with EXPR_LOCATION.
6624         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
6625
6626 2016-04-08  Tom de Vries  <tom@codesourcery.com>
6627
6628         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
6629         implicit firstprivate clause.
6630
6631 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6632
6633         PR target/70566
6634         * config/arm/thumb2.md (tst + branch-> lsls + branch
6635         peephole below *orsi_not_shiftsi_si): Require that condition
6636         register is dead after the peephole.
6637         (second peephole after the above): Likewise.
6638
6639 2016-04-08  Alan Modra  <amodra@gmail.com>
6640
6641         PR target/70117
6642         * builtins.c (fold_builtin_classify): For IBM extended precision,
6643         look at just the high-order double to test for NaN.
6644         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
6645         test just the high double for Inf but both doubles for subnormal
6646         limit.
6647
6648 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
6649
6650         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
6651         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
6652         node->simdclone->mask_mode != VOIDmode masks.
6653         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
6654         earlier, use it instead of node->simdclone.
6655         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6656         Set clonei->mask_mode.
6657
6658 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6659
6660         PR c/70436
6661         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
6662         Pass it through to cp_parser_already_scoped_statement.
6663         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
6664         it through to cp_parser_statement.
6665         (cp_parser_statement): Pass IF_P through to
6666         cp_parser_iteration_statement.
6667         (cp_parser_pragma): Adjust call to
6668         cp_parser_iteration_statement.
6669
6670 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6671
6672         PR c/70436
6673         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
6674         resolve a future -Wparentheses warning.
6675         * omp-low.c (scan_sharing_clauses): Likewise.
6676         * tree-parloops.c (eliminate_local_variables): Likewise.
6677
6678 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
6679
6680         PR rtl-optimization/70398
6681         * lra-constraints.c (process_address_1): Check zero scale and code
6682         for reloading with zero scale.
6683
6684 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
6685
6686         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
6687         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
6688
6689 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
6690
6691         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6692         Add support for AVX512F clones, include them by default for
6693         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
6694         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
6695         up to 128.
6696
6697         PR middle-end/70550
6698         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
6699         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
6700         firstprivate clauses.
6701         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
6702         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
6703         (lower_omp_target): Set TREE_NO_WARNING for
6704         non-addressable possibly uninitialized vars which are copied into
6705         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
6706
6707 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
6708
6709         * config/pa/predicates.md (integer_store_memory_operand): Accept
6710         REG+D operands with a large offset when reload_in_progress is true.
6711         (floating_point_store_memory_operand): Likewise.
6712
6713 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6714
6715         PR c++/70336
6716         * match.pd (nested int casts): Limit to GIMPLE.
6717
6718 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
6719
6720         PR ipa/66223
6721         * ipa-devirt.c (maybe_record_node): Fix comment; use
6722         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
6723
6724 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6725
6726         PR rtl-optimization/70542
6727         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
6728         if there are any uses other than insn or debug insns.
6729
6730 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
6731             Jakub Jelinek  <jakub@redhat.com>
6732
6733         PR tree-optimization/70509
6734         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
6735         Shift HOST_WIDE_INT_1U instead of 1.
6736
6737 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
6738
6739         PR tree-optimization/70509
6740         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
6741         of the vector base type for index.
6742
6743 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
6744
6745         PR target/70510
6746         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
6747
6748 2016-04-05  Richard Biener  <rguenther@suse.de>
6749
6750         PR tree-optimization/70526
6751         * tree-sra.c (build_ref_for_offset): Use prev_base to
6752         extract the alias pointer type.
6753
6754 2016-04-05  Richard Biener  <rguenther@suse.de>
6755
6756         * dse.c (struct store_info): Remove alias_set member.
6757         (struct read_info_type): Likewise.
6758         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
6759         spill_deleted, clear_alias_set_lookup): Remove.
6760         (get_group_info): Remove dead base == NULL_RTX case.
6761         (dse_step0): Remove initialization of removed variables.
6762         (delete_dead_store_insn): Reomve alias set dumping.
6763         (free_read_records): Remove alias_set handling.
6764         (canon_address): Remove alias_set_out parameter.
6765         (record_store): Remove spill_alias_set, it's always zero.
6766         (check_mem_read_rtx): Likewise.
6767         (dse_step2): Rename from ...
6768         (dse_step2_nospill): ... this.  Adjust.
6769         (scan_stores): Rename from ...
6770         (scan_stores_nospill): ... this.
6771         (scan_reads): Rename from ...
6772         (scan_reads_nospill): ... this.
6773         (scan_stores_spill, scan_reads_spill): Remove.
6774         (dse_step3_scan): Remove for_spills argument which is always false.
6775         (dse_step3): Likewise.
6776         (dse_step5): Rename from ...
6777         (dse_step5_nospill): ... this.  Remove alias_set handling.
6778         (rest_of_handle_dse): Adjust.
6779
6780 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6781
6782         PR target/70525
6783         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
6784         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6785         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
6786         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
6787
6788 2016-04-05  Richard Biener  <rguenther@suse.de>
6789
6790         PR middle-end/70499
6791         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
6792         non-register type temporaries into SSA.
6793
6794 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
6795
6796         PR ipa/66223
6797         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
6798         calls when sanitizing.
6799         (possible_polymorphic_call_target_p): Fix formatting.
6800
6801 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6802             Jakub Jelinek <jakub@redhat.com>
6803
6804         PR middle-end/70457
6805         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
6806         to ensure a call statement is compatible with a built-in's
6807         prototype.
6808         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
6809         Likewise.
6810
6811 2016-04-04  Richard Biener  <rguenther@suse.de>
6812
6813         PR rtl-optimization/70484
6814         * rtl.h (canon_output_dependence): Declare.
6815         * alias.c (canon_output_dependence): New function.
6816         * dse.c (record_store): Use canon_output_dependence rather
6817         than canon_true_dependence.
6818
6819 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6820
6821         PR ipa/68881
6822         * cgraph.h (symtab_node::copy_visibility_from): New function.
6823         * symtab.c (symtab_node::copy_visibility_from): New function.
6824         * ipa-visibility.c (optimize_weakref): New function.
6825         (function_and_variable_visibility): Use it.
6826
6827 2016-04-04  Martin Liska  <mliska@suse.cz>
6828
6829         PR hsa/70402
6830         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
6831         value that is really in range handled by SBR instruction.
6832         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
6833         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
6834         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
6835
6836 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
6837
6838         PR target/70416
6839         PR target/67391
6840         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
6841         set, but not for SP_REG operands.
6842
6843 2016-04-02  Martin Sebor  <msebor@redhat.com>
6844
6845         PR c++/67376
6846         * fold-const.c (maybe_nonzero_address): New function.
6847         (fold_comparison): Call it.  Fold equality and relational
6848         expressions involving null pointers.
6849         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
6850
6851 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
6852
6853         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
6854         the "Y" constraint (scalar FP 0.0 immediate).
6855
6856         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
6857         Add the "const_double" to the list of operand constraints.
6858
6859 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
6860
6861         PR rtl-optimization/70467
6862         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
6863         If low word of the last operand is 0, just emit addition/subtraction
6864         for the high word.
6865
6866 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6867
6868         PR target/70404
6869         * config/s390/s390.c (s390_expand_insv): Check for everything
6870         constant instead of just VOIDmode stuff.
6871
6872 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6873
6874         PR target/70496
6875         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
6876
6877 2016-04-01  Nathan Sidwell  <nathan@acm.org>
6878
6879         * tree.def (TRY_CATCH_EXPR): Correct documentation.
6880
6881 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6882
6883         PR rtl-optimization/70461
6884         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
6885         is necessary.
6886
6887 2016-03-31  Martin Liska  <mliska@suse.cz>
6888
6889         PR hsa/70399
6890         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
6891         a tree value or an immediate integer value to a buffer
6892         that is eventually copied to a BRIG section.
6893         (emit_immediate_operand): Call the function here.
6894         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
6895         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
6896         of class' fields that are removed.
6897         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
6898         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
6899         m_brig_repr_size fields.
6900
6901 2016-03-31  Martin Liska  <mliska@suse.cz>
6902
6903         PR hsa/70391
6904         * hsa-gen.c (hsa_function_representation::update_dominance): New
6905         function.
6906         (convert_addr_to_flat_segment): Likewise.
6907         (gen_hsa_memory_set): New alignment argument.
6908         (gen_hsa_ctor_assignment): Likewise.
6909         (gen_hsa_insns_for_single_assignment): Provide alignment
6910         to gen_hsa_ctor_assignment.
6911         (gen_hsa_insns_for_direct_call): Add new argument.
6912         (expand_lhs_of_string_op): New function.
6913         (expand_string_operation_builtin): Likewise.
6914         (expand_memory_copy): New function.
6915         (expand_memory_set): New function.
6916         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
6917         (convert_switch_statements): Change signature.
6918         (generate_hsa): Use a return value of the function.
6919         (pass_gen_hsail::execute): Do not call
6920         convert_switch_statements here.
6921         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
6922         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
6923         (hsa_function_representation::update_dominance): New function.
6924
6925 2016-03-31  Martin Liska  <mliska@suse.cz>
6926
6927         PR hsa/70391
6928         * hsa-brig.c (emit_directive_variable): Emit alignment
6929         according to hsa_symbol::m_align.
6930         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
6931         (dump_hsa_symbol): Dump alignment of HSA symbols.
6932         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
6933         (gen_hsa_addr_with_align): New function.
6934         (hsa_bitmemref_alignment): Use newly added function.
6935         (gen_hsa_insns_for_load): Likewise.
6936         (gen_hsa_insns_for_store): Likewise.
6937         (gen_hsa_memory_copy): New argument added.
6938         (gen_hsa_insns_for_single_assignment): Respect
6939         alignment for assignments processed via gen_hsa_memory_copy.
6940         (gen_hsa_insns_for_direct_call): Likewise.
6941         (gen_hsa_insns_for_return): Likewise.
6942         (gen_function_def_parameters): Set default alignment.
6943         * hsa.c (hsa_object_alignment): New function.
6944         (hsa_byte_alignment): Pasted function.
6945         * hsa.h (hsa_symbol::m_align): New field.
6946
6947 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
6948
6949         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
6950         scratch field for goto case.
6951
6952 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
6953
6954         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
6955
6956 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
6957
6958         PR target/70442
6959         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
6960         (scalar_chain::convert_insn): Call convert_op for reg
6961         moves to handle undefined registers.
6962
6963 2016-03-31  Nathan Sidwell  <nathan@acm.org>
6964
6965         PR c++/70393
6966         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
6967         Assert we don't want to move backwards.
6968
6969 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
6970
6971         PR target/70453
6972         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
6973
6974 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
6975
6976         PR rtl-optimization/70460
6977         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
6978         with operand from REG_LABEL_OPERAND, instead substitute
6979         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
6980         Don't do anything for REG_NON_LOCAL_GOTO jumps.
6981
6982 2016-03-31  Martin Liska  <mliska@suse.cz>
6983
6984         * passes.c (execute_one_pass): Do not call
6985         todo_after for a discarded function.
6986
6987 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
6988
6989         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
6990         (no_cost, infinite_cost): Initialize the new field.
6991         (get_computation_cost_at): Record setup cost.
6992         (determine_use_iv_cost_address): Skip cost computation for sub
6993         uses if we can estimate it without losing accuracy.
6994
6995 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6996
6997         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6998         estimates here.
6999         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7000         max_loop_iterations_int.
7001         (tree_unswitch_outer_loop): Likewise.
7002         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
7003         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
7004
7005 2016-03-30  Richard Biener  <rguenther@suse.de>
7006
7007         PR middle-end/70450
7008         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
7009
7010 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
7011
7012         PR target/70421
7013         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
7014         in gen_blendm expander.
7015
7016 2016-03-30  Nick Clifton  <nickc@redhat.com>
7017
7018         PR target/62254
7019         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
7020         case where we are already provided with an SImode SUBREG.
7021
7022 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7023
7024         PR target/70439
7025         * config/i386/i386.c (ix86_expand_epilogue): Properly check
7026         conflict between DRAP register and __builtin_eh_return.
7027
7028 2016-03-30  Michael Matz  <matz@suse.de>
7029             Richard Biener  <rguenther@suse.de>
7030
7031         PR ipa/12392
7032         * ipa-polymorphic-call.c (struct type_change_info): Change
7033         speculative to an unsigned allowing to limit the work we do.
7034         (csftc_abort_walking_p): New inline function..
7035         (check_stmt_for_type_change): Limit the number of may-defs
7036         skipped for speculative devirtualization to
7037         max-speculative-devirt-maydefs.
7038         * params.def (max-speculative-devirt-maydefs): New param.
7039         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
7040
7041 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
7042
7043         PR target/63890
7044         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
7045         and TARGET_MACHO.
7046
7047 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
7048
7049         PR tree-optimization/59124
7050         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
7051         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
7052
7053 2016-03-29  Jeff Law  <law@redhat.com>
7054
7055         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
7056
7057 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7058
7059         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
7060         to HOST_WIDE_INT.
7061
7062 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
7063
7064         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
7065         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
7066         gcrt0.o if linking dynamically.
7067
7068 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7069
7070         PR ipa/70283
7071         * ipa-devirt.c (methods_equal_p): New function.
7072         (compare_virtual_tables): Use it.
7073         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
7074         * cgraphclones.c (clone_function_name_1): Use
7075         symbol_table::symbol_suffix_separator.
7076         * coverage.c (build_var): Likewise.
7077         * symtab.c (symbol_table::symbol_suffix_separator): New.
7078
7079 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
7080
7081         PR rtl-optimization/70429
7082         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
7083         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
7084         mode != result_mode.
7085
7086         PR c++/70353
7087         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
7088
7089         PR tree-optimization/70405
7090         * ssa-iterators.h (num_imm_uses): Add missing braces.
7091
7092 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7093
7094         PR rtl-optimization/68695
7095         * ira-color.c (allocno_copy_cost_saving): New.
7096         (improve_allocation): Use it.
7097
7098 2016-03-29  Richard Henderson  <rth@redhat.com>
7099
7100         PR middle-end/70355
7101         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
7102
7103 2016-03-29  Richard Biener  <rguenther@suse.de>
7104
7105         PR middle-end/70424
7106         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
7107         use alignment returned by get_pointer_alignment_1 if it is
7108         bigger than BITS_PER_UNIT.
7109         * builtins.c (get_pointer_alignment_1): Do not return true
7110         for alignment extracted from SSA info.
7111
7112 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
7113
7114         * config/ft32/ft32.opt (mnodiv): New.
7115         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
7116         * doc/invoke.texi (FT32 Options -mnodiv): New.
7117
7118 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
7119
7120         PR target/70406
7121         * config/i386/i386.md (define_split, andn): Fix modes.
7122
7123 2016-03-26  Richard Biener  <rguenther@suse.de>
7124             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7125
7126         PR ipa/70366
7127         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
7128         instead of
7129         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
7130         as 2nd argument to cl_optimization_restore().
7131
7132 2016-03-25  Richard Henderson  <rth@redhat.com>
7133
7134         PR target/70120
7135         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
7136         * config/aarch64/aarch64-protos.h: Declare it.
7137         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
7138
7139 2016-03-25  Alan Modra  <amodra@gmail.com>
7140
7141         PR target/70052
7142         * config/rs6000/constraints.md (j): Simplify.
7143         * config/rs6000/predicates.md (easy_fp_constant): Exclude
7144         decimal float 0.D.
7145         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
7146         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
7147          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
7148         in all constraint alternatives.
7149         (movtd_64bit_nodm): Delete "j" constraint alternative.
7150
7151 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7152
7153         * tree-ssa-propagate.c: Enhance docs for
7154         SSA_PROP_NOT_INTERESTING.
7155
7156 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7157
7158         * doc/extend.texi: Fix typo in documentation to pure attribute.
7159
7160 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
7161
7162         PR target/70319
7163         * config/pa/pa.md (bswapdi2): Use a scratch register.
7164
7165 2016-03-24  Richard Henderson  <rth@redhat.com>
7166
7167         PR middle-end/69845
7168         * fold-const.c (extract_muldiv_1): Correct test for multiplication
7169         overflow.
7170
7171 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
7172
7173         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
7174         using ix86_expand_binary_operator instead of gen_andsi3.
7175
7176 2016-03-24  Richard Biener  <rguenther@suse.de>
7177
7178         PR tree-optimization/70396
7179         * tree-vect-stmts.c (vectorizable_comparison): Use
7180         get_vectype_for_scalar_type.
7181
7182 2016-03-24  Richard Biener  <rguenther@suse.de>
7183
7184         PR middle-end/70370
7185         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
7186         with register bases.
7187
7188 2016-03-24  Richard Biener  <rguenther@suse.de>
7189
7190         PR tree-optimization/70372
7191         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
7192         build_all_ones_cst to also handle vector types correctly.
7193
7194 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
7195
7196         PR target/70381
7197         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
7198         -mfloat128 here.
7199
7200 2016-03-23  Marek Polacek  <polacek@redhat.com>
7201
7202         PR c++/69884
7203         * doc/invoke.texi: Document -Wignored-attributes.
7204
7205 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7206
7207         PR tree-optimization/69042
7208         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
7209         parameter from 30 to 40.
7210
7211 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7212
7213         PR tree-optimization/69042
7214         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
7215         for use with constant offset stripped in base.
7216
7217 2016-03-23  Richard Biener  <rguenther@suse.de>
7218
7219         PR middle-end/70251
7220         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
7221         mode compatibility check.
7222         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7223
7224 2016-03-23  Jeff Law  <law@redhat.com>
7225
7226         PR tree-optimization/64058
7227         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
7228         CONFLICT_COUNT.
7229         (struct ssa_conflicts): Move up earlier in the file.
7230         (conflicts_, var_map_): New static variables.
7231         (initialize_conflict_count): New function to initialize the
7232         CONFLICT_COUNT field for each conflict pair.
7233         (compare_pairs): Lazily initialize the conflict count and use it
7234         as the first tie-breaker.
7235         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
7236         and wipe conflicts_ and map_ around the call to qsort.  Remove
7237         special case for 2 coalesce pairs.
7238         * bitmap.c (bitmap_count_unique_bits): New function.
7239         (bitmap_count_bits_in_word): New function, extracted from
7240         bitmap_count_bits.
7241         (bitmap_count_bits): Use bitmap_count_bits_in_word.
7242         * bitmap.h (bitmap_count_unique_bits): Declare it.
7243
7244 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
7245
7246         PR target/69917
7247         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
7248         transparent alias chain for decl assembler name.
7249         * config/sol2.c (solaris_assemble_visibility): Likewise.
7250
7251 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7252
7253         * config/arm/arm1020e.md (1020call_op): Reduce reservation
7254         duration.
7255         (v10_fdivs): Likewise.
7256         (v10_fdivd): Likewise.
7257
7258 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7259
7260         PR driver/70132
7261         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
7262         to not call fclose twice on file.
7263
7264 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
7265
7266         PR tree-optimization/70354
7267         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7268         oprnd0 is wider than oprnd1 and there is a cast from the wider
7269         type to oprnd1, mask it with the mask of the narrower type.
7270
7271         PR target/70321
7272         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
7273         Optimize TARGET_STV splitters, if high or low word of last argument
7274         is 0 or -1.
7275
7276 2016-03-22  Jeff Law  <law@redhat.com>
7277
7278         PR target/70232
7279         tree-ssa-threadbackward.c
7280         (fsm_find_control_statement_thread_paths): Correctly distinguish
7281         between old style jump threads vs FSM jump threads.
7282
7283 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
7284
7285         PR target/70302
7286         * config/i386/i386.c (scalar_chain::convert_op): Support
7287         uninitialized register usage case.
7288
7289 2016-03-22  Richard Biener  <rguenther@suse.de>
7290
7291         PR middle-end/70251
7292         * genmatch.c (gen_transform): Adjust last parameter to a three-state
7293         int...
7294         (capture::gen_transform): ... to change behavior when substituting
7295         a condition into cond or not-cond expr context.
7296         (dt_simplify::gen_1): Adjust.
7297         * gimple-match-head.c: Include gimplify.h for unshare_expr.
7298         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
7299         last change and instead change to
7300         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
7301         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7302
7303 2016-03-22  Anthony Green  <green@moxielogic.com>
7304
7305         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
7306         issue for moxiebox targets.
7307         (CC1PLUS_SPEC): Ditto.
7308
7309 2016-03-22  Richard Biener  <rguenther@suse.de>
7310
7311         PR middle-end/70333
7312         * fold-const.c (extract_muldiv_1): Properly perform multiplication
7313         in the wide type.
7314
7315 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7316
7317         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
7318
7319 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7320
7321         PR target/70325
7322         * config/i386/i386.c (def_builtin): Handle
7323         OPTION_MASK_ISA_AVX512VL to be and-ed with other
7324         bits.
7325         (const struct builtin_description bdesc_special_args[]):
7326         Remove duplicate ISA bits.
7327
7328 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
7329
7330         PR target/70329
7331         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
7332         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
7333         in a way that works also for AVX512BW.
7334
7335         PR target/70300
7336         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
7337         instead of source if operands[1] is xmm16 and above and
7338         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
7339         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
7340
7341         PR c++/70295
7342         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
7343         on assign if (*from_p) is a comparison, set it to
7344         TREE_NO_WARNING (*from_p).
7345
7346 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7347
7348         PR middle-end/70326
7349         * lra.c (restore_scratches): Ignore deleted insns.
7350
7351 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
7352             Jakub Jelinek  <jakub@redhat.com>
7353
7354         PR tree-optimization/70317
7355         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
7356         to HONOR_NANS.
7357
7358 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
7359
7360         PR target/70327
7361         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
7362         of ix86_expand_move.
7363         (movoi): Ditto.
7364         (movti): Use general_operand for operand 1 predicate.
7365
7366 2016-03-21  Martin Liska  <mliska@suse.cz>
7367
7368         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
7369         insns.
7370         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
7371
7372 2016-03-21  Martin Liska  <mliska@suse.cz>
7373
7374         PR ipa/70306
7375         * ipa-icf.c (sem_function::parse): Skip static
7376         constructors and destructors.
7377
7378 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7379
7380         PR target/70296
7381         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
7382         function-like macro, peek following token(s) if it is followed
7383         by CPP_OPEN_PAREN token with optional padding in between, and
7384         if not, don't treat it like a macro.
7385
7386 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
7387             Alexander Monakov  <amonakov@ispras.ru>
7388
7389         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
7390         for the stabs debug format.
7391
7392 2016-03-21  Richard Biener  <rguenther@suse.de>
7393
7394         PR tree-optimization/70310
7395         * tree-vect-generic.c (expand_vector_condition): Fold the built
7396         condition.
7397
7398 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7399
7400         PR target/70293
7401         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
7402         Block third alternative for AVX-512VL target,
7403
7404 2016-03-21  Martin Liska  <mliska@suse.cz>
7405
7406         PR hsa/70234
7407         * hsa-brig.c (emit_function_directives): Mark unemitted
7408         global variables for emission.
7409         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
7410         (get_symbol_for_decl): Likewise.
7411         * hsa.h (struct hsa_symbol): New flag.
7412
7413 2016-03-21  Richard Biener  <rguenther@suse.de>
7414
7415         PR tree-optimization/70288
7416         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
7417         we do not estimate unsimplified all-constant conditionals or
7418         switches as optimized away.
7419
7420 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
7421
7422         PR rtl-optimization/69102
7423         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
7424         when we have a readonly dependency context.
7425
7426 2016-03-18  Jeff Law  <law@redhat.com>
7427
7428         PR rtl-optimization/70263
7429         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
7430         (update_equiv_regs): When trying to move a store to after the insn
7431         that sets the source of the store, make sure the store occurs after
7432         the insn that sets the source of the store.  When successful note
7433         the REG_EQUIV note created in the dump file.
7434
7435 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
7436             Bernd Schmidt  <bschmidt@redhat.com>
7437
7438         * doc/extend.texi: Document more potential problems with basic asms.
7439
7440 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
7441
7442         PR rtl-optimization/70278
7443         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
7444         VOIDmode.
7445
7446 2016-03-18  Jason Merrill  <jason@redhat.com>
7447
7448         * calls.c (load_register_parameters): Fix zero size sibcall logic.
7449
7450 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
7451
7452         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
7453         values to 128b regs.
7454
7455 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7456
7457         PR tree-optimization/70252
7458         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
7459         boolean vector has a proper number of elements.
7460         (supportable_narrowing_operation): Likewise.
7461
7462 2016-03-18  Tom de Vries  <tom@codesourcery.com>
7463
7464         PR ipa/70269
7465         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
7466
7467 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
7468
7469         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
7470         instead of replace_rtx for DEBUG_INSNs.
7471
7472 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7473
7474         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
7475         load type reservations.
7476
7477 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
7478
7479         PR target/70188
7480         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
7481         define_constraint for "Q" and "T" constraints.
7482
7483 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
7484
7485         Tweak the pipeline model for Exynos M1
7486
7487         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
7488         model.
7489
7490 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
7491
7492         PR c/70264
7493         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
7494         where one or both locations aren't within a line_map.
7495
7496 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7497
7498         PR driver/70192
7499         * opts.c (finish_options): Don't set flag_pie to the default if
7500         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
7501         if it is -1.
7502
7503 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
7504
7505         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
7506         true as ALL_REGS argument to replace_rtx.
7507
7508 2016-03-17  Richard Biener  <rguenther@suse.de>
7509
7510         PR debug/70271
7511         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
7512         last.
7513
7514 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7515
7516         PR target/70245
7517         * rtl.h (replace_rtx): Add ALL_REGS argument.
7518         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
7519         equality and assert mode is the same, instead of just rtx pointer
7520         equality.
7521         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
7522         true as ALL_REGS argument to replace_rtx.
7523
7524 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
7525
7526         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
7527         for boolean vector with vector mode only.
7528         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7529
7530 2016-03-17  Nick Clifton  <nickc@redhat.com>
7531
7532         PR target/70162
7533         * config/rx/rx.c (rx_print_integer): Print negative constants in
7534         decimal.
7535
7536 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7537
7538         PR target/70261
7539         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
7540
7541 2016-03-16  Richard Henderson  <rth@redhat.com>
7542             Richard Biener  <rguenth@suse.de>
7543
7544         PR middle-end/70240
7545         PR middle-end/68215
7546         PR tree-opt/68714
7547         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
7548         first operand as is_gimple_condexpr.
7549
7550         PR middle-end/70240
7551         PR middle-end/68215
7552         Revert r231575
7553         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
7554         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
7555         Do not gimplify the result.
7556         (do_unop): Adjust call to tree_vec_extract.
7557         (do_binop): Likewise.
7558         (do_compare): Likewise.
7559         (do_plus_minus): Likewise.
7560         (do_negate): Likewise.
7561         (expand_vector_condition): Likewise.
7562         (do_cond): Likewise.
7563
7564 2016-03-16  Richard Henderson  <rth@redhat.com>
7565
7566         PR target/70048
7567         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
7568         (aarch64_classify_address): Use it.
7569         (aarch64_legitimize_address): Force all subexpressions of PLUS
7570         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
7571
7572 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
7573             Richard Biener  <rguenth@suse.de>
7574
7575         PR target/70245
7576         * rtlanal.c (replace_rtx): For REG, if from is a REG,
7577         return to even if only REGNO is equal, and assert
7578         mode is the same.
7579
7580 2016-03-11  Jeff Law  <law@redhat.com>
7581
7582         PR rtl-optimization/70224
7583         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
7584
7585 2016-03-16  Richard Henderson  <rth@redhat.com>
7586
7587         PR middle-end/70199
7588         * function.h (struct function): Add has_forced_label_in_static.
7589         * gimplify.c (force_labels_r): Set it.
7590         * lto-streamer-in.c (input_struct_function_base): Read it.
7591         * lto-streamer-out.c (output_struct_function_base): Write it.
7592         * tree-inline.c (has_label_address_in_static_1): Remove.
7593         (copy_forbidden): Remove fndecl parameter; test
7594         has_forced_label_in_static.
7595         (inline_forbidden_p): Update call to copy_forbidden.
7596         (tree_versionable_function_p): Likewise.
7597         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
7598         (chkp_versioning): Likewise.
7599         * tree-inline.h (copy_forbidden): Update decl.
7600
7601 2016-03-16  Marek Polacek  <polacek@redhat.com>
7602
7603         PR c/70093
7604         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
7605         function being thunked if the result type doesn't have fixed size.
7606         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
7607         doesn't have fixed size.
7608
7609 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
7610
7611         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
7612         reporting malformed loop nest.
7613
7614 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7615
7616         PR lto/70187
7617         * ipa-devirt.c (possible_polymorphic_call_targets): Move
7618         nodes.length () == 1 test to before first nodes[0] access.
7619
7620 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7621
7622         PR tree-optimization/68715
7623         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
7624         single_pred_p test.
7625
7626 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7627
7628         PR tree-optimization/68809
7629         * graphite-scop-detection.c (same_close_phi_node): Test if result types
7630         are the same.
7631
7632 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
7633             Sandra Loosemore  <sandra@codesourcery.com>
7634
7635         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
7636         on leaf attribute. Mention ELF interposition problems.
7637
7638 2016-03-16  Alan Modra  <amodra@gmail.com>
7639
7640         PR rtl-optimization/69195
7641         PR rtl-optimization/47992
7642         * ira.c (indirect_jump_optimize): Ignore artificial defs.
7643         Add comments.
7644
7645 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
7646
7647         PR bootstrap/69513
7648         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
7649
7650 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7651
7652         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
7653
7654 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
7655
7656         PR rtl-optimization/70222
7657         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
7658         optimization if mode is different from result_mode, queue up masking
7659         of the result in outer_op.  Formatting fix.
7660
7661         PR middle-end/70239
7662         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
7663         of safe_grow.
7664
7665 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7666
7667         PR rtl-optimization/69032
7668         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
7669         looping backwards over basic block insns.
7670
7671 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7672
7673         PR target/66660
7674         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
7675         to non-speculative when propagating trap bits.
7676
7677 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7678
7679         PR rtl-optimization/63384
7680         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
7681         DEBUG_INSN_P insns.
7682
7683 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7684
7685         PR target/64411
7686         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
7687         factored out from ...
7688         (sched_analyze_insn): ... here.
7689         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
7690         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
7691         get_implicit_reg_pending_clobbers in it.
7692         (setup_id_reg_sets): Use setup_id_implicit_regs.
7693         (deps_init_id): Ditto.
7694
7695 2016-03-15  Tom de Vries  <tom@codesourcery.com>
7696
7697         PR ipa/70161
7698         * cgraph.c (cgraph_node::get_body): Save, reset and restore
7699         dump_file_name.
7700         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
7701         execute_function_dump.
7702         (execute_one_pass): Don't dump function if it will be dumped after ipa
7703         transform.
7704
7705 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7706
7707         * genrecog.c (match_pattern_2): If pred is NULL don't call
7708         safe_predicate_mode on it.
7709
7710 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
7711
7712         PR middle-end/70219
7713         * lra-constraints.c (delete_move_and_clobber): Change assertion
7714         to also allow dregno == 0.
7715
7716 2016-03-14  Richard Henderson  <rth@redhat.com>
7717
7718         PR tree-opt/68714
7719         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
7720         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
7721         (reassociate_bb): Use optimize_vec_cond_expr; avoid
7722         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
7723         on vectors.
7724
7725 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7726
7727         PR target/70083
7728         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
7729         regs.
7730         (lra_create_live_ranges_1): initialize hard register biggest_mode to
7731         VOIDmode.
7732         * lra-constraints.c (split_reg): For hard regs, try to find the
7733         biggest single-register mode used in the function.
7734
7735 2016-03-14  Richard Biener  <rguenther@suse.de>
7736
7737         PR tree-optimization/56365
7738         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
7739         constants to compare against.
7740
7741 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
7742
7743         PR target/70098
7744         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
7745         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
7746         (define_split for the GPR case): Use int_reg_operand instead of
7747         gpc_reg_operand for the output.
7748
7749 2016-03-14  Tom de Vries  <tom@codesourcery.com>
7750
7751         PR tree-optimization/70045
7752         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
7753         create_empty_if_region_on_edge argument.
7754
7755 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
7756
7757         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
7758         (STACK_CHECK_PROTECT): Likewise.
7759         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7760         (STACK_CHECK_PROTECT): Likewise.
7761         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7762         (STACK_CHECK_PROTECT): Likewise.
7763         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
7764         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
7765         (STACK_CHECK_PROTECT): Likewise.
7766
7767 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
7768
7769         PR rtl-optimization/69307
7770         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
7771         registers in modes that span more than one register.
7772
7773 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7774
7775         PR target/69614
7776         * lra-constraints.c (delete_move_and_clobber): New.
7777         (remove_inheritance_pseudos): Use it.
7778
7779 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
7780
7781         PR ada/70017
7782         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
7783         the libcall is LCT_THROW.
7784         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
7785         for the checking routine.
7786
7787 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7788
7789         PR target/70131
7790         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
7791         optimization if we have direct move.
7792         (roundu32<mode>2_fprs): Likewise.
7793
7794 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
7795
7796         PR target/70123
7797         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
7798         be rematerialized.
7799         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
7800         Arguments swapped.  All callers changed.  Take reg_renumber into
7801         account, and Calculate and compare register ranges for hard regs.
7802
7803 2016-03-11  Jeff Law  <law@redhat.com>
7804
7805         PR tree-optimization/70190
7806         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7807         Handle cases where we can not extract the taken edge, even though we
7808         found a constant value.
7809
7810         PR tree-optimization/64058
7811         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
7812         (num_coalesce_pairs): Move up earlier in file.
7813         (find_coalesce_pair): Initialize the INDEX field for each pair
7814         discovered.
7815         (compare_pairs): No longer sort on the elements in each pair.
7816         Instead break ties with the index of the coalesce pair.
7817
7818 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7819
7820         PR target/70002
7821         * config/aarch64/aarch64-protos.h
7822         (aarch64_save_restore_target_globals): New prototype.
7823         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
7824         Call the above when popping pragma.
7825         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
7826         New function.
7827         (aarch64_set_current_function): Rewrite using the above.
7828
7829 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7830
7831         PR tree-optimization/70177
7832         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
7833         (extract_ops_from_tree): ... this.  In the 2 argument
7834         overload remove _1 suffix.
7835         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
7836         (extract_ops_from_tree): ... this.
7837         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
7838         Adjust callers.
7839         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7840         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
7841         extract_ops_from_tree instead of 2 operand one.
7842
7843 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
7844
7845         PR tree-optimization/70013
7846         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
7847         for constant-pool entries.
7848
7849 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7850
7851         PR rtl-optimization/70174
7852         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
7853         followed by gen_lowpart on force_reg instead of just gen_lowpart.
7854
7855         PR tree-optimization/70169
7856         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
7857         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
7858         for unknown codes.
7859
7860 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
7861             Jakub Jelinek  <jakub@redhat.com>
7862
7863         PR target/70160
7864         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
7865         of uninitialized values.
7866
7867 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7868
7869         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
7870         define_expand.
7871         ("*trunctddd2"): New pattern definition.
7872         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
7873         TD->DD truncation.
7874
7875 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7876
7877         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
7878         definitions for BFP and DFP rounding modes.
7879         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7880         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
7881         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
7882         ("fix_trunctf<mode>2"): Use the new constants instead of magic
7883         numbers.
7884
7885 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7886
7887         * config/s390/constraints.md: Adjust comment.
7888         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
7889         s390_decompose_addrstyle_without_index.
7890         * config/s390/predicates.md (shift_count_or_setmem_operand):
7891         Rename to setmem_operand.
7892         * config/s390/s390-protos.h
7893         (s390_decompose_shift_count): Rename to
7894         s390_decompose_addrstyle_without_index.
7895         * config/s390/s390.c (s390_decompose_shift_count)
7896         (s390_mem_constraint, print_shift_count_operand)
7897         (print_operand_address, print_operand): Rename
7898         s390_decompose_shift_count to
7899         s390_decompose_addrstyle_without_index and rename
7900         print_shift_count_operand to print_addrstyle_operand troughout the
7901         file.
7902         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
7903         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
7904         Rename shift_count_or_setmem_operand to setmem_operand.
7905         * config/s390/vx-builtins.md ("vec_insert<mode>")
7906         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
7907         nonmemory_operand.
7908
7909 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7910
7911         PR target/70168
7912         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
7913         Handle overlapping retval and newval.
7914
7915 2016-03-10  Nick Clifton  <nickc@redhat.com>
7916
7917         PR target/7044
7918         * config/aarch64/aarch64.c
7919         (aarch64_override_options_after_change_1): When forcing
7920         flag_omit_frame_pointer to be true, use a special value that can
7921         be detected if this function is called again, thus preventing
7922         flag_omit_leaf_frame_pointer from being forced to be false.
7923
7924 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7925
7926         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
7927         Set x_flag_omit_leaf_frame_pointer when handling
7928         -momit-leaf-frame-pointer.
7929
7930 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7931
7932         PR lto/69589
7933         * cgraph.c (cgraph_node::dump): Dump split_part and
7934         indirect_call_target.
7935         * cgraph.h (cgraph_node): Add indirect_call_target flag.
7936         * ipa.c (has_addr_references_p): Cleanup.
7937         (is_indirect_call_target_p): New.
7938         (walk_polymorphic_call_targets): Do not mark virtuals that may be
7939         called indirectly as local.
7940         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
7941
7942 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7943
7944         PR ipa/69630
7945         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7946         on cxa_pure_virtual.
7947
7948 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7949
7950         PR lto/69589
7951         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
7952
7953 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7954
7955         PR lto/69589
7956         * tree.c (need_assembler_name_p): Only record main variant type names.
7957
7958 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
7959
7960         PR target/70113.
7961         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
7962         Always define to 0 or 1.
7963         (TARGET_FIX_ERR_A53_843419): New macro.
7964         * config/aarch64/aarch64-elf-raw.h
7965         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
7966         * config/aarch64/aarch64-linux.h: Likewise.
7967         * config/aarch64/aarch64.c
7968         (aarch64_override_options_after_change_1): Do not default
7969         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
7970         843419 is on.
7971         (aarch64_attributes): Handle fix-cortex-a53-843419.
7972         (aarch64_can_inline_p): Likewise.
7973         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
7974
7975 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
7976         Jakub Jelinek <jakub@redhat.com>
7977
7978         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
7979         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
7980         DECL_COMMONS if flag_unconstrained_commons is set.
7981         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7982         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
7983         (funconstrained-commons): Document.
7984
7985 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
7986
7987         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
7988         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
7989
7990 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
7991
7992         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
7993         has a proper number of elements.
7994
7995 2016-03-10  Alan Modra  <amodra@gmail.com>
7996
7997         PR rtl-optimization/69195
7998         PR rtl-optimization/47992
7999         * ira.c (recorded_label_ref): Delete.
8000         (update_equiv_regs): Return void.
8001         (indirect_jump_optimize): New function.
8002         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
8003         before regstat_compute_ri.  Don't rebuild_jump_labels here.
8004         Delete update_regstat.
8005
8006 2016-03-10  Richard Biener  <rguenther@suse.de>
8007
8008         PR tree-optimization/70128
8009         * tree-ssa-structalias.c (set_uids_in_ptset): Set
8010         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
8011
8012 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8013
8014         PR tree-optimization/70152
8015         * tree-sra.c (replace_removed_params_ssa_names): Copy over
8016         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
8017
8018         PR target/70086
8019         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
8020         instead of gen_sse2_loadlpd.
8021         * config/i386/sse.md (*vec_concatv2df): Rename to...
8022         (vec_concatv2df): ... this.
8023
8024         PR tree-optimization/70127
8025         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
8026
8027 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8028
8029         PR c/68473
8030         PR c++/70105
8031         * diagnostic-show-locus.c (compatible_locations_p): New function.
8032         (layout::layout): Sanitize ranges using compatible_locations_p.
8033
8034 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8035
8036         PR c/68473
8037         PR c++/70105
8038         * diagnostic-show-locus.c (layout_range::layout_range): Replace
8039         location_range param with three const expanded_locations * and a
8040         bool.
8041         (layout::layout): Replace call to
8042         rich_location::lazily_expand_location with get_expanded_location.
8043         Extract the range and perform location expansion here, passing
8044         the results to the layout_range ctor.
8045         * diagnostic.c (source_range::debug): Delete.
8046         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
8047         of rich_location::get_expanded_location.
8048         * gcc-rich-location.c (get_range_for_expr): Delete.
8049         (gcc_rich_location::add_expr): Reimplement to avoid the
8050         rich_location::add_range overload that took a location_range,
8051         passing a location_t instead.
8052
8053 2016-03-09  Richard Biener  <rguenther@suse.de>
8054         Jakub Jelinek  <jakub@redhat.com>
8055
8056         PR tree-optimization/70138
8057         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
8058         Also skip vect_double_reduction_def.
8059
8060 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8061
8062         PR target/70049
8063         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
8064         if the operand is "m".
8065
8066 2016-03-09  Nathan Sidwell  <nathan@acm.org>
8067
8068         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
8069
8070 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8071
8072         * config/i386/i386.c (processor_target_table): Fix cost table
8073         intialization order for znver1.
8074
8075 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8076
8077         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
8078         - becuase -> because.
8079         * ipa-reference.c (ignore_module_statics): Likewise.
8080         * cgraph.c (cgraph_node::get_body): Likewise.
8081         * ipa-inline.c (early_inliner): Likewise.
8082         * ipa-devirt.c (types_same_for_odr): Likewise.
8083         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
8084         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
8085
8086 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8087
8088         * tree-ssa-math-opts.c: Fix typo in comment.
8089
8090 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8091
8092         PR target/70110
8093         * config/i386/i386.c (scalar_chain::make_vector_copies,
8094         scalar_chain::convert_reg): Call end_sequence in between
8095         get_insns and emit_conversion_insns rather than after both
8096         calls.
8097
8098 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
8099
8100         PR target/70064
8101         * config/i386/i386.h (machine_function): Add
8102         pc_thunk_call_expanded flag.
8103         (ix86_pc_thunk_call_expanded): New define.
8104         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
8105         (*set_got): Rename insn pattern from set_got.
8106         (*set_got_labelled): Rename inst pattern from set_got_labelled.
8107         * config/i386/i386.c (ix86_compute_frame_layout): Use
8108         ix86_pc_thunk_call_expanded to prevent red-zone.
8109
8110 2016-03-07  Martin Jambor  <mjambor@suse.cz>
8111
8112         * hsa.h (hsa_get_ctor_statements): Declare.
8113         (hsa_get_dtor_statements): Likewise.
8114         (hsa_get_kernel_dispatch_type): Likewise.
8115         * hsa.c (hsa_get_ctor_statements): New function.
8116         (hsa_get_dtor_statements): Likewise.
8117         (hsa_get_kernel_dispatch_type): Likewise.
8118         * hsa-brig.c (hsa_cdtor_statements): Removed.
8119         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
8120         hsa_get_dtor_statements.
8121         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
8122         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
8123
8124 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8125
8126         * config/arm/arm-cores.def (cortex-r8): New.
8127         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
8128         * config/arm/arm-tune.md: Likewise.
8129         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
8130
8131 2016-03-07  Martin Sebor  <msebor@redhat.com>
8132
8133         PR rtl-optimization/19705
8134         * doc/invoke.texi (Options That Control Optimization): Clarify
8135         -fno-branch-count-reg.
8136
8137 2016-02-26  Richard Biener  <rguenther@suse.de>
8138             Jeff Law  <law@redhat.com>
8139
8140         PR tree-optimization/69740
8141         * cfghooks.c (remove_edge): Request loop fixups if we delete
8142         an edge that might turn an irreducible loop into a natural
8143         loop.
8144         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
8145         Move after definition of loops_state_clear.
8146
8147 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
8148
8149         PR rtl-optimization/69052
8150         * rtlanal.c (commutative_operand_precedence): Set higher precedence
8151         to CONST_WIDE_INT.
8152
8153 2016-03-07  Tom de Vries  <tom@codesourcery.com>
8154
8155         PR tree-optimization/70116
8156         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
8157         is_tm_ending stmts and ubsan/asan internal functions.
8158         (find_duplicate): Use it.  Don't test is_tm_ending here.
8159
8160 2016-03-07  Richard Biener  <rguenther@suse.de>
8161
8162         PR tree-optimization/70115
8163         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
8164         (propagate_constants_for_unrolling): Use replace_uses_by.
8165
8166 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
8167
8168         PR middle-end/69916
8169         * omp-low.c (struct oacc_loop): Add ifns.
8170         (new_oacc_loop_raw): Initialize it.
8171         (finish_oacc_loop): Clear mask & flags if no ifns.
8172         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8173         (oacc_loop_xform_loop): Add ifns arg & adjust.
8174         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
8175
8176 2016-03-07  Richard Henderson  <rth@redhat.com>
8177
8178         PR rtl-opt/70061
8179         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
8180         (insert_value_copy_on_edge): Likewise.
8181
8182 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8183
8184         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
8185
8186 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8187
8188         PR target/62281
8189         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
8190
8191 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8192
8193         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
8194
8195 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8196
8197         Fix sseimul type attribute.
8198         * config/i386/znver1.md
8199         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
8200         znver1_sseimul_avx256_load) : Fix the type attribute.
8201         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
8202         pipe usage and latency.
8203
8204 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
8205
8206         PR c++/70084
8207         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
8208         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
8209         to the right type.
8210
8211 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8212
8213         PR c/69973
8214         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
8215
8216         PR rtl-optimization/69941
8217         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
8218         the reg share its mode.
8219
8220 2016-03-04  Jeff Law  <law@redhat.com>
8221
8222         PR tree-optimization/69196
8223         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8224         If the both SSA_NAMEs are anonymous, then consider them unassociated
8225         and include the PHI in the statement count.
8226
8227 2016-03-05  Tom de Vries  <tom@codesourcery.com>
8228
8229         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
8230         construct in oacc routine.  Check for oacc region in oacc routine.
8231
8232 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8233
8234         PR target/70062
8235         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
8236         2016-02-22 changes, instead don't recurse if RECUR is already true.
8237         Don't change *dynamic_check if RECUR.  Adjust recursive caller
8238         to pass true to the new argument.
8239         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
8240
8241         PR target/70059
8242         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
8243         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
8244         fixes.
8245         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
8246
8247 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8248
8249         PR rtl-optimization/57676
8250         * lra-assigns.c (lra_assign): Guard test for maximum iterations
8251         with flag_checking.
8252
8253 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
8254
8255         * tree-vect-patterns.c (search_type_for_mask): Handle
8256         comparison of booleans.
8257
8258 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8259
8260         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
8261         Fix @xref usage.
8262
8263         PR debug/69947
8264         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
8265         all other ops that have dw_val_class_die_ref operands,
8266         and DW_OP_GNU_entry_value.
8267
8268 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8269
8270         PR rtl-optimization/69904
8271         * config/arm/arm.c (arm_cannot_copy_insn_p):
8272         Return true for load-exclusive instructions.
8273
8274 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
8275
8276         PR target/70021
8277         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
8278         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
8279         the pattern no matter if it is used just by non-pattern, pattern
8280         or mix thereof.
8281         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
8282         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8283         oprnd1 def_stmt is in pattern, don't look through it.
8284
8285 2016-03-03  Marek Polacek  <polacek@redhat.com>
8286
8287         PR middle-end/70050
8288         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
8289
8290 2016-03-03  Martin Liska  <mliska@suse.cz>
8291
8292         PR tree-optimization/70043
8293         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
8294         previous statement if we see a debug statement.
8295
8296 2016-03-03  Richard Biener  <rguenther@suse.de>
8297
8298         PR tree-optimization/55936
8299         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
8300         parameter and guard unsafe equivalence use.
8301         (vrp_evaluate_conditional_warnv_with_ops): Always use
8302         safe equivalences but not via the quadratic compare_names
8303         helper.
8304
8305 2016-03-03  Michael Collison  <michael.collison@linaro.org>
8306
8307         PR target/70014
8308         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
8309         for operand 1 to s_register_operand. Change predicate for operand
8310         2 to arm_not_immediate_operand.
8311
8312 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
8313
8314         * doc/tm.texi: Regenerated.
8315
8316 2016-03-02  Richard Henderson  <rth@redhat.com>
8317
8318         PR rtl-opt/67145
8319         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
8320         simplification when all args are positive non-fixed registers.
8321
8322 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8323
8324         * target.def (lra_p): Specify that new ports should use LRA.
8325
8326 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8327
8328         PR libgomp/69555
8329         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
8330         gimplify_type_sizes the type they refer to.
8331         (omp_notice_variable): Handle reference vars to VLAs.
8332         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
8333         reference to VLA decls in the second pass instead of first pass.
8334
8335 2016-03-02  Tom de Vries  <tom@codesourcery.com>
8336
8337         PR tree-optimization/68659
8338         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
8339         new_expr == NULL_TREE.
8340         (get_new_name): Handle ADDR_EXPR.
8341
8342 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
8343
8344         PR rtl-optimization/69052
8345         * loop-invariant.c (canonicalize_address): New function.
8346         (inv_can_prop_to_addr_use): Check validity of address expression
8347         which is canonicalized by above function.
8348
8349 2016-03-02  Alan Modra  <amodra@gmail.com>
8350
8351         PR ipa/69990
8352         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
8353         larger alignment.
8354
8355 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8356
8357         PR target/70028
8358         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
8359         (*movhi_internal): Put mask moves from and to memory separately
8360         from moves from/to GPRs.
8361
8362 2016-03-02  Richard Biener  <rguenther@suse.de>
8363
8364         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
8365         GENERIC expressions in GIMPLE.
8366
8367 2016-03-02  Richard Biener  <rguenther@suse.de>
8368
8369         * config/i386/i386.c (type_natural_mode): Fix typo.
8370
8371 2016-03-02  Nick Clifton  <nickc@redhat.com>
8372
8373         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
8374
8375 2016-03-02  Richard Biener  <rguenther@suse.de>
8376             Uros Bizjak  <ubizjak@gmail.com>
8377
8378         PR target/67278
8379         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
8380
8381 2016-03-02  Richard Biener  <rguenther@suse.de>
8382
8383         PR middle-end/67278
8384         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
8385
8386 2016-03-02  Marek Polacek  <polacek@redhat.com>
8387
8388         PR c/67854
8389         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
8390         "is promoted to" warning.
8391
8392 2016-03-01  DJ Delorie  <dj@redhat.com>
8393
8394         * config.gcc: Deprecate mep-*.
8395
8396 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
8397
8398         PR middle-end/70025
8399         * lra-constraints.c (regno_val_use_in): New.
8400         (match_reload): Use it instead of regno_use_in.
8401
8402 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8403
8404         PR rtl-optimization/70007
8405         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
8406         references present in REG_EQUAL notes attached to non-SET patterns.
8407
8408 2016-03-01  Jeff Law  <law@redhat.com>
8409
8410         PR tree-optimization/69196
8411         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8412         Appropriately clamp the number of statements to copy when the
8413         thread path does not traverse a loop backedge.
8414
8415         PR tree-optimization/69196
8416         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8417         Do count some PHIs in the thread path against the insn count.  Decrease
8418         final statement count by one as the control statement in the last
8419         block will get removed.  Remove special cased code for handling PHIs
8420         in the last block.
8421
8422 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
8423
8424         PR target/70027
8425         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
8426         asm dialect alternatives to explicit GOTPCREL calls.
8427
8428 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8429
8430         PR ada/70017
8431         * ira.c (do_reload): Issue warning for generic stack checking here...
8432         * reload1.c (reload): ...instead of here and streamline it.
8433
8434 2016-03-01  Nick Clifton  <nickc@redhat.com>
8435
8436         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
8437
8438 2016-03-01  Richard Biener  <rguenther@suse.de>
8439
8440         PR tree-optimization/69983
8441         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
8442         types and fall back to operand_equal_p.
8443
8444 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8445
8446         Revert
8447         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8448
8449         * config/s390/constraints.md ("jm8"): New constraint.
8450         * config/s390/predicates.md ("const_int_8bitset_operand"): New
8451         predicate.
8452         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
8453         into ...
8454         ("*setmem_long<setmem_and>"): New pattern.
8455         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
8456         into ...
8457         ("*setmem_long_31z<setmem_and>"): New pattern.
8458         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
8459         New substitution rules with the required attributes.
8460
8461
8462 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8463
8464         Revert
8465         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8466
8467         * gensupport.c (process_substs_on_one_elem): Split loop to
8468         complete mark_operands_used_in_match_dup on all expressions in the
8469         vector first.
8470         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8471         and remove function.
8472
8473 2016-03-01  Richard Biener  <rguenther@suse.de>
8474
8475         PR middle-end/70022
8476         * fold-const.c (fold_indirect_ref_1): Fix range checking for
8477         vector BIT_FIELD_REF extract.
8478
8479 2016-03-01  Richard Biener  <rguenther@suse.de>
8480
8481         PR tree-optimization/69994
8482         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
8483
8484 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
8485
8486         PR tree-optimization/69956
8487         * tree-vect-stmts.c (supportable_widening_operation): Support
8488         multi-step conversion of boolean vectors.
8489         (supportable_narrowing_operation): Likewise.
8490
8491 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8492
8493         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
8494         anymore.
8495
8496 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8497
8498         * config/s390/subst.md (DSI_VI): New mode iterator.
8499         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
8500         * config/s390/vector.md ("vec_set<mode>"): Move expander before
8501         the insn definition.
8502         ("*vec_set<mode>"): Change predicate and add alternative to
8503         support only either register or const_int operands as element
8504         selector.
8505         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
8506         operands.
8507         ("vec_extract<mode>"): New expander.
8508         ("*vec_extract<mode>"): New insn definition supporting reg and
8509         const_int element selectors.
8510         ("*vec_extract<mode>_plus"): New insn definition supporting
8511         reg+const_int element selectors.
8512         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
8513         following expander+insn definition.
8514         ("<vec_shifts_name><mode>3"): New expander.
8515         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
8516
8517 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8518
8519         * config/s390/s390.md ("*tabort_1"): Change predicate to
8520         nonmemory_operand.  Add a second alternative to cover
8521         register as well as const int operands.
8522         ("*tabort_1_plus"): New pattern definition.
8523
8524 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8525
8526         * config/s390/s390.md ("*ashrdi3_cc_31")
8527         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
8528         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
8529         Merge insn definitions into ...
8530         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8531         New pattern definition.
8532         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
8533         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
8534         ("*ashr<mode>3_and"): Merge insn definitions into ...
8535         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8536         New pattern definition.
8537         * config/s390/subst.md ("addr_style_op_cc_subst")
8538         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
8539         substitutions patterns plus attributes.
8540         Add ashiftrt to SUBST iterator.
8541
8542 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8543
8544         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
8545         op2 to nonmemory_operand.
8546         ("*<shift>di3_31", "*<shift>di3_31_and"):
8547         Merge into single pattern definition ...
8548         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
8549         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
8550         pattern definition ...
8551         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
8552         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
8553         iterator.
8554
8555 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8556
8557         * config/s390/predicates.md (const_int_6bitset_operand): New
8558         predicate.
8559         * config/s390/s390.md: Include subst.md.
8560         ("rotl<mode>3"): New expander.
8561         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
8562         ...
8563         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
8564         * config/s390/subst.md: New file.
8565
8566 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8567
8568         * config/s390/s390.md ("op_type", "atype", "length" attributes):
8569         Remove RRR type.  It doesn't really exist.
8570         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
8571         attributes.
8572         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
8573         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
8574         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
8575         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
8576         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
8577         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
8578         `enabled' attribute.
8579
8580 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8581
8582         * gensupport.c (process_substs_on_one_elem): Split loop to
8583         complete mark_operands_used_in_match_dup on all expressions in the
8584         vector first.
8585         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8586         and remove function.
8587
8588 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8589
8590         PR target/69706
8591         * config/sparc/sparc.c (NWORDS_UP): Rename to...
8592         (CEIL_NWORDS): ...this.  Use CEIL macro.
8593         (compute_fp_layout): Adjust to above renaming.
8594         (function_arg_union_value): Likewise.
8595         (sparc_arg_partial_bytes): Likewise.
8596         (sparc_function_arg_advance): Likewise.
8597
8598 2016-02-29  Jeff Law  <law@redhat.com>
8599
8600         PR tree-optimization/70005
8601         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
8602         where an object with a boolean range is compared against a value
8603         outside [0..1].
8604
8605         PR tree-optimization/69999
8606         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
8607         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
8608         loop cleanups.
8609
8610 2016-02-29  Richard Biener  <rguenther@suse.de>
8611
8612         PR tree-optimization/69994
8613         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
8614         (get_unary_op): Look through nop conversions.
8615         (ops_equal_values_p): New function, look for equality diregarding
8616         nop conversions.
8617         (eliminate_plus_minus_pair): Use ops_equal_values_p
8618         (repropagate_negates): Do not use get_unary_op here.
8619
8620 2016-02-29  Martin Liska  <mliska@suse.cz>
8621
8622         * system.h: Poison ENABLE_CHECKING macro.
8623
8624 2016-02-29  Martin Liska  <mliska@suse.cz>
8625
8626         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
8627         is presented in dump flags.
8628         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8629         (hsa_regalloc): Likewise.
8630
8631 2016-02-19  Richard Biener  <rguenther@suse.de>
8632
8633         PR tree-optimization/69980
8634         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
8635         permutation of those we need to keep.
8636
8637 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8638
8639         PR target/69706
8640         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
8641         (NWORDS_UP): ...this
8642         (init_cumulative_args): Minor tweaks.
8643         (sparc_promote_function_mode): Likewise.
8644         (scan_record_type): Delete.
8645         (traverse_record_type): New function template.
8646         (classify_data_t): New structure type.
8647         (classify_registers): New inline function.
8648         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
8649         exhausted.  Instantiate traverse_record_type on classify_registers and
8650         deal with the case of a structure passed in slot #15 with no FP field
8651         in the first word.
8652         (assign_data_t): New structure type.
8653         (compute_int_layout): New static function.
8654         (compute_fp_layout): Likewise.
8655         (count_registers): New inline function.
8656         (assign_int_registers): New static function.
8657         (assign_fp_registers): Likewise.
8658         (assign_registers): New inline function.
8659         (function_arg_record_value_1): Delete.
8660         (function_arg_record_value_2): Likewise.
8661         (function_arg_record_value_3): Likewise.
8662         (function_arg_record_value): Adjust to above changes.  Instantiate
8663         traverse_record_type on count_registers to first count the number of
8664         registers to be used and then on assign_registers to assign them.
8665         (function_arg_union_value): Adjust to above renaming.
8666         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
8667         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
8668         case of a structure passed in slot #15
8669         (sparc_function_arg_advance): Likewise.
8670         (function_arg_padding): Minor tweak.
8671
8672 2016-02-29  Richard Biener  <rguenther@suse.de>
8673
8674         PR tree-optimization/69720
8675         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
8676         the adjustment_def path for possibly vectorized defs.
8677         (vect_create_epilog_for_reduction): Handle vectorized initial
8678         defs properly.
8679
8680 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8681
8682         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
8683
8684 2016-02-27  Jeff Law  <law@redhat.com>
8685
8686         Revert
8687         2016-02-26  Richard Biener  <rguenther@suse.de>
8688                     Jeff Law  <law@redhat.com>
8689
8690         PR tree-optimization/69740
8691         * cfghooks.c (remove_edge): Request loop fixups if we delete
8692         an edge that might turn an irreducible loop into a natural
8693         loop.
8694
8695 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
8696
8697         PR rtl-optimization/69896
8698         * tree-vect-generic.c (get_compute_type): Avoid single element
8699         vector types.
8700
8701 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
8702
8703         Rename the AArch64 tuning option and related functions to enable the
8704         Newton series for the reciprocal square root to reflect its
8705         approximative characteristic.
8706
8707         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
8708         function to "aarch64_emit_approx_rsqrt".
8709         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
8710         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
8711         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
8712         (xgene1_tunings): Likewise.
8713         (use_rsqrt_p): Likewise.
8714         (aarch64_emit_swrsqrt): Use new function name.
8715         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
8716         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
8717         text explaining this option.
8718         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
8719
8720 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8721
8722         PR target/69969
8723         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
8724         complain about -mallow-movmisalign without -mvsx if
8725         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
8726
8727 2016-02-26  Joel Sherrill  <joel@rtems.org>
8728
8729         * config.gcc: Add x86_64-*-rtems*.
8730         * config/i386/rtems-64.h: New file.
8731
8732 2016-02-26  Joel Sherrill  <joel@rtems.org>
8733
8734         * config.gcc: Add aarch64-*-rtems*.
8735         * config/aarch64/rtems.h: New file.
8736
8737 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
8738
8739         PR target/69946
8740         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
8741         shift amount using %h.  Add comment.
8742
8743 2016-02-26  Richard Biener  <rguenther@suse.de>
8744             Jeff Law  <law@redhat.com>
8745
8746         PR tree-optimization/69740
8747         * cfghooks.c (remove_edge): Request loop fixups if we delete
8748         an edge that might turn an irreducible loop into a natural
8749         loop.
8750
8751 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8752
8753         PR middle-end/69920
8754         * tree-sra.c (sra_modify_assign): Do not remove loads of
8755         uninitialized aggregates to SSA_NAMEs.
8756
8757 2016-02-26  Richard Henderson  <rth@redhat.com>
8758
8759         PR target/69709
8760         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
8761         pseudo in case the target rtx matches the source of the left
8762         shift.
8763
8764 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8765
8766         PR hsa/69568
8767         * hsa.h (hsa_type_packed_p): Declare.
8768         * hsa.c (hsa_type_packed_p): New function.
8769         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
8770         loads.
8771         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
8772         * hsa-brig.c (emit_basic_insn): Likewise.
8773
8774 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8775
8776         pr hsa/69674
8777         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
8778         pointers.
8779         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
8780
8781 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8782
8783         * hsa.h (is_a_helper): New overload for hsa_op_immed for
8784         hsa_op_with_type operands.
8785         (hsa_unsigned_type_for_type): Declare.
8786         * hsa.c (hsa_unsigned_type_for_type): New function.
8787         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
8788         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
8789         the finalizer.  Do not emit extra move.
8790
8791 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8792
8793         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
8794         atomic operations in private segment.
8795
8796 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8797
8798         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
8799         statements to wi->info.  Also disallow omp simd constructs.
8800         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
8801         for not gridifying.  Dump special string for omp_for.
8802
8803 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8804
8805         PR target/69245
8806         * config/aarch64/aarch64.c (aarch64_set_current_function):
8807         Save/restore target globals when switching to
8808         target_option_default_node.
8809
8810 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8811
8812         PR target/69613
8813         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
8814         Return 0 if !SHIFT_COUNT_TRUNCATED.
8815
8816 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8817             Eric Botcazou  <ebotcazou@adacore.com>
8818
8819         PR rtl-optimization/69891
8820         * dse.c (scan_insn): If we can't figure out memset arguments
8821         or they are non-constant, call clear_rhs_from_active_local_stores.
8822
8823 2016-02-26  Martin Liska  <mliska@suse.cz>
8824
8825         * doc/extend.texi: Mention clog10, clog10f an clog10l
8826         in Builtins section.
8827
8828 2016-02-26  Martin Liska  <mliska@suse.cz>
8829
8830         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
8831         CHECKING_P.
8832         (resolve_args_picking_1): Likewise.
8833         * dwarf2out.h (struct GTY): Likewise.
8834
8835 2016-02-26  Martin Liska  <mliska@suse.cz>
8836
8837         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
8838         with flag_checking.
8839         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8840
8841 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
8842             Martin Liska  <mliska@suse.cz>
8843
8844         * doc/install.texi: Mention --enable-valgrind-annotations.
8845
8846 2016-02-26  Richard Biener  <rguenther@suse.de>
8847
8848         PR tree-optimization/69551
8849         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
8850         looking through aliases adjust DECL_PT_UID to refer to the
8851         ultimate alias target.
8852
8853 2016-02-25  Martin Liska  <mliska@suse.cz>
8854
8855         PR middle-end/69919
8856         * alloc-pool.c (after_memory_report): New variable.
8857         * alloc-pool.h (base_pool_allocator ::release): Do not use
8858         the infrastructure if after_memory_report.
8859         * toplev.c (toplev::main): Mark after memory report.
8860
8861 2016-02-25  Richard Biener  <rguenther@suse.de>
8862
8863         PR tree-optimization/48795
8864         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
8865
8866 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
8867
8868         PR driver/68463
8869         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
8870         offloading is enabled and -fopenacc or -fopenmp is specified.
8871         (CRTOFFLOADEND): Likewise.
8872         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
8873         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
8874         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
8875         (offload_objects_file_name): New static var.
8876         (tool_cleanup): Remove offload_objects_file_name file.
8877         (find_offloadbeginend): Replace with ...
8878         (find_crtoffloadtable): ... this.
8879         (run_gcc): Remove offload_argc and offload_argv.
8880         Get offload_objects_file_name from -foffload-objects=... option.
8881         Read names of object files with offload from this file, pass them to
8882         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
8883         don't pass offloadbegin and offloadend to the linker.  Don't pass
8884         offload non-LTO files to the linker, because now they're not claimed.
8885
8886 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
8887
8888         PR ipa/69630
8889         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8890         on builtin_unreachable.
8891
8892 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
8893
8894         PR rtl-optimization/69896
8895         * regcprop.c: Include cfgrtl.h.
8896         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
8897         than remembered mode, either delete it (if noop_move_p), or
8898         treat like copy_p but not noop_p instruction.
8899
8900 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8901
8902         PR debug/69705
8903         * dwarf2out.c (gen_variable_die): Work around buggy LTO
8904         - allow NULL decl for Fortran DW_TAG_common_block variables.
8905
8906 2016-02-24  Jason Merrill  <jason@redhat.com>
8907
8908         * common.opt (flifetime-dse): Add -flifetime-dse=1.
8909
8910 2016-02-24  Richard Biener  <rguenther@suse.de>
8911             Jakub Jelinek  <jakub@redhat.com>
8912
8913         PR middle-end/69760
8914         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
8915         conditionally executed ops to well-defined overflow behavior.
8916
8917 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8918
8919         PR middle-end/69915
8920         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
8921         elements.
8922
8923 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8924
8925         PR rtl-optimization/69886
8926         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
8927         argument.  Use it when checking validity of set instructions.
8928         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
8929         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
8930         callsite.
8931         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
8932         * store-motion.c (find_moveable_store): Update
8933         can_assign_to_reg_without_clobbers_p callsite.
8934
8935 2016-02-24  Richard Biener  <rguenther@suse.de>
8936
8937         PR middle-end/68963
8938         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
8939         bogus check.
8940         (record_nonwrapping_iv): Do not fall back to the low/high bound
8941         for non-constant IV bases if the stmt is not always executed.
8942
8943 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8944
8945         * config/arm/arm-cores.def (cortex-a32): New entry.
8946         * config/arm/arm-tables.opt: Regenerate.
8947         * config/arm/arm-tune.md: Regenerate.
8948         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
8949         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
8950         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
8951         for -mcpu and -mtune.
8952
8953 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8954
8955         PR target/69875
8956         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
8957         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
8958         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
8959         (atomic_loaddi_1): Delete.
8960         (atomic_loaddi): Rewrite expander using the above changes.
8961
8962 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8963
8964         PR c/69918
8965         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
8966         2 to 3.
8967
8968 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8969             Richard Biener  <rguenth@suse.de>
8970
8971         PR middle-end/69909
8972         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
8973         set_mem_attributes if tem is SSA_NAME which got expanded
8974         as a MEM.
8975
8976 2016-02-24  Richard Biener  <rguenther@suse.de>
8977
8978         PR tree-optimization/69907
8979         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
8980         end of permutations for BB vectorization.
8981
8982 2016-02-24  Christian Bruel  <christian.bruel@st.com>
8983
8984         * config/arm/arm-c.c (arm_option_override): Initialize
8985         target_option_current_node.
8986         * config/arm/arm.c (arm_pragma_target_parse): Replace
8987         build_target_option_node call by target_option_current_node.
8988         Set target_option_current_node.
8989         Fix comments.
8990
8991 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
8992
8993         PR target/69810
8994         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
8995         define_insn_and_split to define_insn.
8996         (zero_extendqi<mode>2_dot2): Same.
8997         (extendqi<mode>2_dot): Same.
8998         (extendqi<mode>2_dot2): Same.
8999
9000 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9001
9002         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
9003         and add bypass for AES{D,E} and AESMC pairs.
9004         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
9005         and AESMC pairs.
9006
9007 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9008
9009         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
9010         series for reciprocal square root in Exynos M1.
9011
9012 2016-02-23  Martin Sebor  <msebor@redhat.com>
9013
9014         PR c/69759
9015         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
9016         __builtin_alloca_with_align.
9017
9018 2016-02-23  Richard Henderson  <rth@redhat.com>
9019
9020         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
9021         (ix86_register_pragmas): Remove __seg_tls.
9022         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
9023         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
9024         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
9025         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
9026         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
9027         * doc/extend.texi (__seg_tls): Remove item.
9028
9029 2016-02-23  Richard Biener  <rguenther@suse.de>
9030
9031         * alloc-pool.h (struct allocation_object): Make id member
9032         conditional on CHECKING_P again.
9033         (get_instance): Adjust.
9034         (base_pool_allocator): Likewise.
9035
9036 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
9037
9038         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
9039         (parallelize_loops): In OpenACC kernels mode, set n_threads to
9040         zero.
9041         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
9042         flag_openacc.
9043         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
9044
9045 2016-02-23  Richard Biener  <rguenther@suse.de>
9046
9047         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
9048         * bitmap.h (struct bitmap_usage): Likewise.
9049         (bitmap_move): Declare.
9050         * bitmap.c (register_overhead): Take size_t argument.
9051         (bitmap_move): New function.
9052         * df-problems.c (df_rd_transfer_function): Use bitmap_move
9053         to properly account overhead.
9054         * tree.c (free_node): Use tree_size.
9055
9056 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
9057
9058         PR c++/69902
9059         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
9060         when inverting comparison.
9061
9062         PR c/69900
9063         * common.opt (Wunreachable-code): Add Warning flag.
9064
9065 2016-02-23  Mark Wielaard  <mjw@redhat.com>
9066             Jakub Jelinek  <jakub@redhat.com>
9067
9068         PR c/69911
9069         * cgraphunit.c (check_global_declaration): Check main_input_filename
9070         and DECL_SOURCE_FILE are not NULL.
9071
9072 2016-02-23  Martin Jambor  <mjambor@suse.cz>
9073
9074         PR tree-optimization/69666
9075         * tree-sra.c (sra_modify_assign): Do not attempt to create
9076         default_def replacements for unscalarizable regions.
9077
9078 2016-02-20  Mark Wielaard  <mjw@redhat.com>
9079
9080         PR c/28901
9081         * cgraphunit.c (check_global_declaration): Check level of
9082         warn_unused_const_variable and main_input_filename.
9083         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
9084         (-Wunused-variable): For C implies -Wunused-const-variable=1.
9085         (-Wunused-const-variable): Explain levels 1 and 2.
9086
9087 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9088
9089         PR target/69888
9090         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
9091         identical arguments.  Formatting and spelling fixes.
9092
9093         PR target/69885
9094         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
9095         be specified.
9096
9097         PR target/69894
9098         PR target/69895
9099         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
9100         and m68k-devices.def.
9101         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
9102         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
9103
9104 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
9105
9106         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
9107         and HImode registers.
9108
9109 2016-02-22  Richard Biener  <rguenther@suse.de>
9110
9111         PR tree-optimization/69882
9112         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
9113         preserve permutations present because of gaps.
9114         (vect_supported_load_permutation_p): Always continue checking
9115         permutations after vect_attempt_slp_rearrange_stmts.
9116
9117 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
9118
9119         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
9120         min_profitable_estimate, rather than min_profitable_iters.
9121
9122 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9123
9124         PR target/69885
9125         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
9126         SImode for last match_operand.
9127
9128 2016-02-22  Martin Liska  <mliska@suse.cz>
9129
9130         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
9131         return bitsize - 1 as the return value.
9132
9133 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
9134
9135         PR target/69806
9136         PR target/54089
9137         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
9138         Handle negative shift counts.
9139         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
9140         force_reg on the shift constant.
9141         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
9142         (lshrsi3_d): Handle negative shift counts.
9143
9144 2016-02-22  Richard Biener  <rguenther@suse.de>
9145             Tom de Vries  <tom@codesourcery.com>
9146
9147         * graph.c: Include dumpfile.h.
9148         (print_graph_cfg): Split into three overloads.
9149         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
9150
9151 2016-02-22  Tom de Vries  <tom@codesourcery.com>
9152
9153         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
9154         dump-fn.
9155
9156 2016-02-22  Richard Biener  <rguenther@suse.de>
9157
9158         PR ipa/37448
9159         * ipa-inline-transform.c (inline_call): When not updating
9160         overall summaries adjust self size by the growth estimate.
9161         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
9162         hash-set, do not update overall summaries here.  Renamed from ...
9163         (inline_to_all_callers): ... this which is now wrapping the
9164         above and performing delayed overall summary update.
9165         (early_inline_small_functions): Delay updating of the overall
9166         summary.
9167
9168 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
9169
9170         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
9171         variable.
9172
9173 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9174
9175         PR driver/69805
9176         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
9177         :%* in %:gt() argument.
9178         (greater_than_spec_func): Adjust for expecting only numbers,
9179         if there are more than two numbers, compare the last two.
9180
9181 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
9182
9183         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
9184         -Wnarrowing with -std.
9185
9186 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9187
9188         PR c++/69851
9189         * expr.c (store_field): Don't use bit-field path if exp is
9190         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
9191         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
9192         and the assignment can be performed by bitwise copy.  Formatting
9193         fix.
9194
9195         PR middle-end/69838
9196         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
9197         call copy_reg_eh_region_note_forward on before and/or after sequences
9198         and remove note from insn if it no longer can throw.
9199
9200         PR target/69820
9201         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
9202         if TARGET_AVX512BW.
9203
9204 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9205
9206         * config/s390/vector.md: Add missing commutative operand markers
9207         to the patterns which qualify for one.
9208         * config/s390/vx-builtins.md: Likewise.
9209
9210 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9211
9212         * config/s390/vector.md (VI, VI_QHS): Add single element vector
9213         types to mode iterators.
9214         (vec_double): ... and mode attribute.
9215         * config/s390/vx-builtins.md (non_vec_int): Likewise.
9216
9217 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9218
9219         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
9220         Change the predicate of op2 from nonimmediate to general and let
9221         reload fix it if necessary.
9222
9223 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9224
9225         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
9226
9227 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9228
9229         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
9230         mode.
9231
9232 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9233
9234         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
9235         * config/s390/s390.c (s390_expand_vec_movstr): New function.
9236         * config/s390/s390.md ("movstr<P:mode>"): Call
9237         s390_expand_vec_movstr.
9238
9239 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9240
9241         * config/s390/s390.md: Add missing output modifier for operand 1
9242         to print it as address properly.
9243
9244 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9245
9246         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
9247         * config/s390/2964.md: New file.
9248         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
9249         of insn grouping attributes depending on the CPU level.
9250         (s390_get_unit_mask): New function.
9251         (s390_sched_score): Remove the OOO from the scheduling macros.
9252         Add loop to calculate a score for the instruction mix.
9253         (s390_sched_reorder): Likewise plus improve debug output.
9254         (s390_sched_variable_issue): Rename macros as above.  Calculate
9255         the unit distances after actually scheduling an insn.  Improve
9256         debug output.
9257         (s390_sched_init): Clear last_scheduled_unit_distance array.
9258         * config/s390/s390.md: Include 2964.md.
9259
9260 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9261
9262         PR target/69671
9263         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
9264         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
9265         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
9266         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
9267         *avx512f_<code>v8div16qi2_mask_1): New insns.
9268
9269 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
9270
9271         PR target/68404
9272         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
9273         2016-02-09 change.
9274
9275         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
9276         earlyclobber from target.  Use wF constraint for fused memory
9277         address.
9278         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
9279
9280 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9281             Martin Liska  <mliska@suse.cz>
9282
9283         PR sanitizer/69863
9284         * cfgexpand.c (asan_sanitize_stack_p): New function.
9285         (partition_stack_vars): Use the function.
9286         (expand_stack_vars): Likewise.
9287         (defer_stack_allocation): Likewise.
9288         (expand_used_vars): Likewise.
9289
9290 2016-02-18  Richard Biener  <rguenther@suse.de>
9291
9292         PR middle-end/69553
9293         * fold-const.c (operand_equal_p): Properly compare offsets for
9294         IMAGPART_EXPR and ARRAY_REF.
9295
9296 2016-02-18  Nick Clifton  <nickc@redhat.com>
9297
9298         PR target/62254
9299         PR target/69610
9300         * config/arm/arm.c (arm_option_override_internal): Disable
9301         interworking if the target does not support thumb instructions.
9302         (arm_reload_in_hi): Handle the case where a register to register
9303         move needs reloading because there is no simple pattern to handle
9304         it.
9305         (arm_reload_out_hi): Likewise.
9306
9307 2016-02-18  Richard Biener  <rguenther@suse.de>
9308
9309         PR middle-end/69854
9310         * match.pd: Don't use fold_binary or fold_unary for folding
9311         constants.
9312
9313 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
9314
9315         PR c++/69850
9316         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
9317         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
9318         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
9319         warn on gimple_no_warning_p statements.
9320
9321 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
9322
9323         * doc/extend.texi (C++ Attributes): Correct description of
9324         warn_unused type attribute.
9325
9326 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9327
9328         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
9329         correct instruction.
9330
9331 2016-02-17  Richard Biener  <rguenther@suse.de>
9332
9333         PR rtl-optimization/69609
9334         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
9335         (find_traces_1_round): When ending a trace update cached priority
9336         of successors.
9337         (bb_to_key): Use cached priority when available.
9338         (copy_bb): Initialize cached priority.
9339         (reorder_basic_blocks_software_trace_cache): Likewise.
9340
9341 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9342
9343         PR target/69161
9344         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
9345         New predicate.
9346         (aarch64_comparison_operator): Break overly long line into two.
9347         (aarch64_comparison_operation): Likewise.
9348         * config/aarch64/aarch64.md (cstorecc4): Use
9349         aarch64_comparison_operator_mode instead of
9350         aarch64_comparison_operator.
9351         (cstore<mode>4): Likewise.
9352         (aarch64_cstore<mode>): Likewise.
9353         (*cstoresi_insn_uxtw): Likewise.
9354         (cstore<mode>_neg): Likewise.
9355         (*cstoresi_neg_uxtw): Likewise.
9356
9357 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9358
9359         PR target/69161
9360         * config/arm/predicates.md (arm_comparison_operator_mode):
9361         New predicate.
9362         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
9363         instead of arm_comparison_operator.
9364         (*mov_negscc): Likewise.
9365         (*mov_notscc): Likewise.
9366         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
9367         (*thumb2_mov_negscc): Likewise.
9368         (*thumb2_mov_negscc_strict_it): Likewise.
9369         (*thumb2_mov_notscc): Likewise.
9370         (*thumb2_mov_notscc_strict_it): Likewise.
9371
9372 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
9373
9374         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
9375         Add missing return.
9376
9377 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
9378
9379         * config/visium/visium.c (machine_libfunc_index): New enum.
9380         (machine_libfuncs): New structure.
9381         (visium_libfuncs): New static variable.
9382         (TARGET_INIT_LIBFUNCS): Define to...
9383         (visium_init_libfuncs): ...this.  New function.
9384         (expand_block_move_4): Use the appropriate libfunc.
9385         (expand_block_move_2): Likewise.
9386         (expand_block_move_1): Likewise.
9387         (expand_block_set_4): Likewise.
9388         (expand_block_set_2): Likewise.
9389         (expand_block_set_1): Likewise.
9390         (visium_trampoline_init): Likewise.
9391
9392 2016-02-17  Nick Clifton  <nickc@redhat.com>
9393
9394         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
9395         TI's devices.csv file as of March 2016.
9396
9397 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9398
9399         PR Target/48344
9400         * opts-global.c (handle_common_deferred_options): Introduce and
9401         initialize two global variables to remember command-line options
9402         specifying a stack-limiting register.
9403         * opts.h: Add extern declarations of the two new global variables.
9404         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
9405         variable based on the values of the two new global variables.
9406
9407 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9408
9409         PR c/69835
9410         * common.opt (Wnonnull-compare): New warning.
9411         * doc/invoke.texi (-Wnonnull): Remove text about comparison
9412         of arguments against NULL.
9413         (-Wnonnull-compare): Document.
9414         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
9415         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
9416         * passes.def (pass_warn_nonnull_compare): Add.
9417         * gimple-ssa-nonnull-compare.c: New file.
9418
9419 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9420
9421         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
9422         AARCH64_EXTRA_TUNE_RECIP_SQRT.
9423
9424 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9425
9426         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
9427         reciprocal sqrt for -mlow-precision-recip-sqrt.
9428
9429 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9430             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9431
9432         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
9433         always use lane loads to construct non-constant vectors.
9434
9435 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9436
9437         * config/aarch64/aarch64.md
9438         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
9439         constraints for operand 3.
9440         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
9441
9442 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9443             Richard Biener  <rguenther@suse.de>
9444
9445         PR tree-optimization/69820
9446         * tree-vect-patterns.c (type_conversion_p): Return false if
9447         *orig_type is unsigned single precision or boolean.
9448         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
9449         Formatting fix.
9450
9451 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9452
9453         PR rtl-optimization/69764
9454         PR rtl-optimization/69771
9455         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
9456         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
9457
9458 2016-02-16  Richard Biener  <rguenther@suse.de>
9459
9460         PR tree-optimization/69776
9461         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
9462         sets from caller.
9463         (indirect_refs_may_alias_p): Likewise.
9464         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
9465         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
9466         according to tbaa_p.
9467         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
9468         (optimize_stmt): For redundant store discovery do not allow tbaa.
9469
9470 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
9471
9472         PR tree-optimization/69714
9473         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
9474         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
9475
9476 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
9477
9478         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
9479         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
9480         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
9481         * config/arc/arc.c (arc_init): Check FPU options.
9482         (get_arc_condition_code): Handle new CC_FPU* modes.
9483         (arc_select_cc_mode): Likewise.
9484         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
9485         register pair only. Allow access for ARCv2 accumulator.
9486         (gen_compare_reg): Whenever we have FPU support use FPU compare
9487         instructions.
9488         (arc_reorg): Don't generate brcc insns when FPU compare
9489         instructions are involved.
9490         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
9491         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
9492         floating point emulation.
9493         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
9494         (REVERSE_CONDITION): Add new CC_FPU* modes.
9495         (TARGET_FP_SP_BASE): Define.
9496         (TARGET_FP_DP_BASE): Likewise.
9497         (TARGET_FP_SP_FUSED): Likewise.
9498         (TARGET_FP_DP_FUSED): Likewise.
9499         (TARGET_FP_SP_CONV): Likewise.
9500         (TARGET_FP_DP_CONV): Likewise.
9501         (TARGET_FP_SP_SQRT): Likewise.
9502         (TARGET_FP_DP_SQRT): Likewise.
9503         (TARGET_FP_DP_AX): Likewise.
9504         * config/arc/arc.md (ARCV2_ACC): New constant.
9505         (type): New fpu type attribute.
9506         (SDF): Conditional iterator.
9507         (cstore<mode>, cbranch<mode>): Change expand condition.
9508         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
9509         handles FPU/FPX cases as well.
9510         * config/arc/arc.opt (mfpu): New option.
9511         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
9512         Renamed.
9513         (adddf3, muldf3, subdf3): Removed.
9514         * config/arc/predicates.md (proper_comparison_operator): Recognize
9515         CC_FPU* modes.
9516         * config/arc/fpu.md: New file.
9517         * doc/invoke.texi (ARC Options): Document mfpu option.
9518
9519 2016-02-16  Richard Biener  <rguenther@suse.de>
9520
9521         PR rtl-optimization/69291
9522         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
9523         noce_operand_ok check.
9524
9525 2016-02-16  Tom de Vries  <tom@codesourcery.com>
9526
9527         PR lto/67709
9528         * omp-low.c (simd_clone_create): Remove call to
9529         symtab->call_cgraph_insertion_hooks.
9530
9531 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9532
9533         PR tree-optimization/69802
9534         * tree-ssa-reassoc.c (update_range_test): If op is
9535         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
9536         op == 1 test of precision 1 integral op, otherwise handle
9537         that case as op itself.  Fix up formatting.
9538         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
9539         up formatting.
9540
9541 2016-02-16  Richard Biener  <rguenther@suse.de>
9542
9543         PR tree-optimization/69586
9544         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
9545         types for conversion sources.
9546
9547 2016-02-16  Richard Biener  <rguenther@suse.de>
9548
9549         PR middle-end/69801
9550         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
9551         mask OEP_ADDRESS_OF.
9552
9553 2016-02-16  Alan Modra  <amodra@gmail.com>
9554
9555         PR target/68973
9556         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
9557         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
9558         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
9559         (p8_mtvsrwz): New.
9560         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
9561         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
9562         (p8_fmrgow_<mode>): Likewise.
9563         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
9564         changes.
9565         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
9566         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
9567         to use movdi_internal64.  Remove op0_di.
9568         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
9569
9570 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
9571
9572         Add support for the FCCMP insn types
9573
9574         * config/aarch64/aarch64.md (fccmp): Change insn type.
9575         (fccmpe): Likewise.
9576         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
9577         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
9578         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
9579         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
9580         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
9581         * config/arm/types.md (fccmps): Add new insn type.
9582         (fccmpd): Likewise.
9583
9584 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9585
9586         * alias.c (get_alias_set): Fix a typo in comment.
9587
9588 2016-02-15  Richard Biener  <rguenther@suse.de>
9589
9590         PR tree-optimization/69595
9591         * match.pd: Complete range test simplification to true.
9592
9593 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
9594
9595         PR rtl-optimization/69648
9596         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
9597         pic_offset_table_rtx.
9598
9599         PR rtl-optimization/69752
9600         * ira.c (update_equiv_regs): When looking for more than a single SET,
9601         also take other side effects into account.
9602
9603 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9604
9605         * config/s390/s390.c (s390_function_profiler): Add a new sequence
9606         for z900+ CPUs in 31-bit mode.
9607
9608 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9609
9610         * common/config/s390/s390-common.c (s390_supports_split_stack):
9611         New function.
9612         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
9613         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
9614         * config/s390/s390.c (struct machine_function): New field
9615         split_stack_varargs_pointer.
9616         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
9617         in s390_emit_prologue.
9618         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
9619         vararg pointer.
9620         (morestack_ref): New global.
9621         (SPLIT_STACK_AVAILABLE): New macro.
9622         (s390_expand_split_stack_prologue): New function.
9623         (s390_live_on_entry): New function.
9624         (s390_va_start): Use split-stack vararg pointer if appropriate.
9625         (s390_asm_file_end): Emit the split-stack note sections.
9626         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
9627         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
9628         (UNSPECV_SPLIT_STACK_CALL): New unspec.
9629         (UNSPECV_SPLIT_STACK_DATA): New unspec.
9630         (split_stack_prologue): New expand.
9631         (split_stack_space_check): New expand.
9632         (split_stack_data): New insn.
9633         (split_stack_call): New expand.
9634         (split_stack_call_*): New insn.
9635         (split_stack_cond_call): New expand.
9636         (split_stack_cond_call_*): New insn.
9637
9638 2016-02-15  Richard Biener  <rguenther@suse.de>
9639
9640         PR tree-optimization/69783
9641         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9642         Add trivially correct cases.
9643
9644 2016-02-15  Tom de Vries  <tom@codesourcery.com>
9645
9646         PR lto/69655
9647         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
9648         do_force_output.
9649         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
9650
9651 2016-02-15  Richard Biener  <rguenther@suse.de>
9652
9653         PR tree-optimization/69776
9654         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9655         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
9656         indicate whether we can use TBAA to disambiguate against stores.
9657         Use alias-set zero if not.
9658         (visit_reference_op_store): Do not use TBAA when looking up
9659         redundant stores.
9660         * tree-ssa-pre.c (compute_avail): Use TBAA here.
9661         (eliminate_dom_walker::before_dom_children): But not when looking
9662         up redundant stores.
9663
9664 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
9665
9666         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
9667
9668 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9669
9670         *  config/i386/znver1.md
9671         (znver1_pop, znver1_pop_mem,
9672         znver1_load_imov_double_store,
9673         znver1_load_imov_direct_store,
9674         znver1_load_imov_direct_load,
9675         znver1_load_imov_double_load): Add new.
9676         (znver1_insn, znver1_insn_load): Add icmov type.
9677         (znver1_sseavx_fma,
9678         znver1_sseavx_fma_load,
9679         znver1_avx256_fma,
9680         znver1_avx256_fma_load): Fix pipe usage.
9681
9682 2016-02-14  Alan Modra  <amodra@gmail.com>
9683
9684         PR target/68973
9685         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
9686         with an invalid hard reg, reload just the reg not the entire
9687         pre/post-inc/dec address expression.
9688
9689 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9690
9691         PR target/67260
9692         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
9693         fixed R1_REG scratch reg.
9694         (sibcall_value_pcrel_fdpic): Likewise.
9695
9696 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9697
9698         PR target/67636
9699         PR target/64345
9700         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
9701
9702 2016-02-12  Walter Lee  <walt@tilera.com>
9703
9704         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
9705         * config/tilegx/t-tilegx: Likewise.
9706
9707 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9708
9709         PR other/69554
9710         * diagnostic-show-locus.c (struct line_span): New struct.
9711         (layout::get_first_line): Delete.
9712         (layout::get_last_line): Delete.
9713         (layout::get_num_line_spans): New member function.
9714         (layout::get_line_span): Likewise.
9715         (layout::print_heading_for_line_span_index_p): Likewise.
9716         (layout::get_expanded_location): Likewise.
9717         (layout::calculate_line_spans): Likewise.
9718         (layout::m_first_line): Delete.
9719         (layout::m_last_line): Delete.
9720         (layout::m_line_spans): New field.
9721         (layout::layout): Update comment.  Replace m_first_line and
9722         m_last_line with m_line_spans, replacing their initialization
9723         with a call to calculate_line_spans.
9724         (diagnostic_show_locus): When printing source lines and
9725         annotations, rather than looping over a single span
9726         of lines, instead loop over each line_span within
9727         the layout, with an inner loop over the lines within them.
9728         Call the context's start_span callback when changing line spans.
9729         * diagnostic.c (diagnostic_initialize): Initialize start_span.
9730         (diagnostic_build_prefix): Break out the building of the location
9731         part of the string into...
9732         (diagnostic_get_location_text): ...this new function, rewriting
9733         it from nested ternary expressions to a sequence of "if"
9734         statements.
9735         (default_diagnostic_start_span_fn): New function.
9736         * diagnostic.h (diagnostic_start_span_fn): New typedef.
9737         (diagnostic_context::start_span): New field.
9738         (default_diagnostic_start_span_fn): New prototype.
9739
9740 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9741
9742         PR driver/69779
9743         * gcc.c (driver::finalize): Fix cleanup of "specs".
9744
9745 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9746
9747         PR driver/69265
9748         PR driver/69453
9749         * gcc.c (driver::driver): Initialize m_option_suggestions.
9750         (driver::~driver): Clean up m_option_suggestions.
9751         (suggest_option): Convert to...
9752         (driver::suggest_option): ...this, and split out into
9753         driver::build_option_suggestions and find_closest_string.
9754         (driver::build_option_suggestions): New function, from
9755         first half of suggest_option.  Special-case
9756         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
9757         the sanitizer_opts array.  For options of enum types, add the
9758         various enum values to the candidate strings.
9759         (driver::handle_unrecognized_options): Remove "const".
9760         * gcc.h (driver::handle_unrecognized_options): Likewise.
9761         (driver::build_option_suggestions): New decl.
9762         (driver::suggest_option): New decl.
9763         (driver::m_option_suggestions): New field.
9764         * opts-common.c (add_misspelling_candidates): New function.
9765         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
9766         and make non-static.
9767         * opts.h (sanitizer_opts): New array decl.
9768         (add_misspelling_candidates): New function decl.
9769         * spellcheck.c (find_closest_string): New function.
9770         * spellcheck.h (find_closest_string): New function decl.
9771
9772 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9773
9774         PR rtl-optimization/69764
9775         PR rtl-optimization/69771
9776         * optabs.c (expand_binop_directly): For shift_optab_p, force
9777         convert_modes with VOIDmode if xop1 has VOIDmode.
9778
9779 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
9780
9781         PR target/69729
9782         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
9783         to correctly determine instrumentation thunks.
9784
9785 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9786
9787         PR ipa/69241
9788         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
9789         type by reference, force lhs on the call.
9790
9791         PR ipa/68672
9792         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
9793         Compute retval and retbnd early in all cases if split_part_return_p
9794         and return_bb is not EXIT.  Remove all clobber stmts and reset
9795         all debug stmts that refer to SSA_NAMEs defined in split part,
9796         except if it is retval, in that case replace the old retval with the
9797         lhs of the call to the split part.
9798
9799 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9800
9801         revert:
9802         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9803
9804         PR middle-end/66726
9805         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9806         whose result is used in PHI.
9807         (maybe_optimize_range_tests): Likewise.
9808         (final_range_test_p): Likweise.
9809
9810 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9811
9812         PR middle-end/66726
9813         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9814         whose result is used in PHI.
9815         (maybe_optimize_range_tests): Likewise.
9816         (final_range_test_p): Likweise.
9817
9818 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9819
9820         * cgraph.c: Spelling fixes - behaviour -> behavior and
9821         neighbour -> neighbor.
9822         * target.def: Likewise.
9823         * sel-sched.c: Likewise.
9824         * config/mips/mips.c: Likewise.
9825         * config/arc/arc.md: Likewise.
9826         * config/arm/cortex-a57.md: Likewise.
9827         * config/arm/arm.c: Likewise.
9828         * config/arm/neon.md: Likewise.
9829         * config/arm/arm-c.c: Likewise.
9830         * config/vms/vms-c.c: Likewise.
9831         * config/s390/s390.c: Likewise.
9832         * config/i386/znver1.md: Likewise.
9833         * config/i386/i386.c: Likewise.
9834         * config/ia64/hpux-unix2003.h: Likewise.
9835         * config/msp430/msp430.md: Likewise.
9836         * config/rx/rx.c: Likewise.
9837         * config/rx/rx.md: Likewise.
9838         * config/aarch64/aarch64-simd.md: Likewise.
9839         * config/aarch64/aarch64.c: Likewise.
9840         * config/nvptx/nvptx.c: Likewise.
9841         * config/bfin/bfin.c: Likewise.
9842         * config/cris/cris.opt: Likewise.
9843         * config/rs6000/rs6000.c: Likewise.
9844         * target.h: Likewise.
9845         * spellcheck.c: Likewise.
9846         * ira-build.c: Likewise.
9847         * tree-inline.c: Likewise.
9848         * builtins.c: Likewise.
9849         * lra-constraints.c: Likewise.
9850         * explow.c: Likewise.
9851         * hwint.h: Likewise.
9852         * targhooks.c: Likewise.
9853         * tree-vect-data-refs.c: Likewise.
9854         * expr.c: Likewise.
9855         * doc/tm.texi: Likewise.
9856         * doc/extend.texi: Likewise.
9857         * doc/install.texi: Likewise.
9858         * doc/md.texi: Likewise.
9859         * tree-ssa-tail-merge.c: Likewise.
9860         * sched-int.h: Likewise.
9861         * match.pd: Likewise.
9862         * sched-ebb.c: Likewise.
9863         * target.def (omit_struct_return_reg): Likewise.
9864         * gimple-ssa-isolate-paths.c: Likewise.
9865         (find_implicit_erroneous_behaviour): Renamed to...
9866         (find_implicit_erroneous_behavior): ... this.
9867         (find_explicit_erroneous_behaviour): Renamed to...
9868         (find_explicit_erroneous_behavior): ... this.
9869         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
9870
9871 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
9872
9873         PR rtl-optimization/64682
9874         PR rtl-optimization/69567
9875         PR rtl-optimization/69737
9876         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
9877         in I2 as well, just lose it.
9878
9879 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9880
9881         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
9882         New variable.
9883         (aarch64_last_printed_tune_string): Likewise.
9884         (aarch64_declare_function_name): Only output .arch assembler
9885         directive if it will be different from the previously output
9886         directive.  Same for .tune comment but only if -dA is set.
9887         (aarch64_start_file): New function.
9888         (TARGET_ASM_FILE_START): Define.
9889
9890 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
9891
9892         PR plugins/69758
9893         * Makefile.in (PLUGIN_HEADERS): Add params.list.
9894
9895 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
9896
9897         PR target/65313
9898         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
9899         -Wmaybe-uninitialized warning.
9900
9901 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
9902
9903         PR target/69713
9904         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
9905
9906 2016-02-11  Richard Biener  <rguenther@suse.de>
9907
9908         PR rtl-optimization/69291
9909         * ifcvt.c (noce_try_store_flag_constants): Do not allow
9910         subexpressions affected by changing the result.
9911
9912 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9913
9914         PR target/69148
9915         * lra-constraints.c (curr_insn_transform): Find in/out operands
9916         for secondary memory moves.  Update dups.
9917
9918 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
9919
9920         PR tree-optimization/69652
9921         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
9922         to nested loop, did source re-formatting, skip debug statements,
9923         add check on statement with volatile operand, remove dead scalar
9924         statements.
9925
9926 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
9927             Patrick Palka  <ppalka@gcc.gnu.org>
9928
9929         PR ipa/69241
9930         PR c++/69649
9931         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
9932         calls if the return type is TREE_ADDRESSABLE.
9933         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
9934         * ipa-split.c (split_function): Fix doubled "we" in comment.
9935         Use void return type for the split part even if
9936         !split_point->split_part_set_retval.
9937
9938 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
9939
9940         PR tree-optimization/68021
9941         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
9942         when computing the value of biv cand by itself.
9943
9944 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9945
9946         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
9947         (cortexa57_tunings): Likewise.
9948         (cortexa72_tunings): Likewise.
9949         (arch_macro_fusion_pair_p): Add support for AES fusion.
9950         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
9951         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
9952         Allow virtual registers before reload so early scheduling works.
9953         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
9954         correct latency and pipeline.
9955         (cortex_a57_crypto_complex): Likewise.
9956         (cortex_a57_crypto_xor): Likewise.
9957         (define_bypass): Add AES bypass.
9958
9959 2016-02-10  Richard Biener  <rguenther@suse.de>
9960
9961         PR tree-optimization/69726
9962         * passes.def: Add DCE pass before late uninit.
9963         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
9964         really fixup if-conversions job.
9965
9966 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9967
9968         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
9969         (arm_cortex_a57_tune): Likewise.
9970         (aarch_macro_fusion_pair_p): Add support for AES fusion.
9971         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
9972
9973 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9974
9975         * timevar.def (TV_PHASE_DBGINFO): Delete.
9976         (TV_PHASE_CHECK_DBGINFO): Likewise.
9977         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
9978
9979 2016-02-10  Richard Biener  <rguenther@suse.de>
9980
9981         PR tree-optimization/69719
9982         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9983         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
9984
9985 2016-02-09  Andrew Pinski  <apinski@cavium.com>
9986
9987         PR tree-opt/69282
9988         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
9989         get_vcond_mask_icode returns false.
9990
9991 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
9992
9993         PR target/68404
9994         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
9995         an ADDIS that adds a pointer to a large constant that sets the
9996         upper16 bits with a load operation.
9997
9998 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
9999
10000         PR target/68532
10001         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
10002         order.
10003         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
10004         endian.
10005         (vzipq_s16): Likewise.
10006         (vzipq_s32): Likewise.
10007         (vzipq_f32): Likewise.
10008         (vzipq_u8): Likewise.
10009         (vzipq_u16): Likewise.
10010         (vzipq_u32): Likewise.
10011         (vzipq_p8): Likewise.
10012         (vzipq_p16): Likewise.
10013
10014 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10015
10016         PR target/68532
10017         * config/arm/arm.c (neon_endian_lane_map): New function.
10018         (neon_vector_pair_endian_lane_map): New function.
10019         (arm_evpc_neon_vuzp): Allow for big endian lane order.
10020         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
10021         endian.
10022         (vuzpq_s16): Likewise.
10023         (vuzpq_s32): Likewise.
10024         (vuzpq_f32): Likewise.
10025         (vuzpq_u8): Likewise.
10026         (vuzpq_u16): Likewise.
10027         (vuzpq_u32): Likewise.
10028         (vuzpq_p8): Likewise.
10029         (vuzpq_p16): Likewise.
10030
10031 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
10032
10033         PR target/69634
10034         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
10035         debug insns.
10036
10037 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
10038
10039         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
10040         truncate const_int operand 1 to QImode.
10041
10042 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10043
10044         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
10045         corresponding to an abnormal edge.
10046
10047 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10048
10049         PR tree-optimization/69599
10050         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
10051         function.
10052         (find_func_aliases_for_builtin_call, find_func_clobbers)
10053         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
10054         partition.
10055
10056 2016-02-09  Richard Biener  <rguenther@suse.de>
10057
10058         PR tree-optimization/69715
10059         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
10060         LHS on calls as non-rewritable.
10061
10062 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10063
10064         PR lto/69707
10065         * lto-wrapper.c (append_diag_options): New function.
10066         (compile_offload_image): Call append_diag_options.
10067
10068 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
10069
10070         PR other/69722
10071         * doc/extend.texi (Flag Output Operands): Correct sectioning.
10072         Minor copy-edit to fix verb tenses.
10073
10074 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
10075
10076         PR tree-optimization/69209
10077         * ipa-split.c (split_function): If split part is not
10078         returning retval, retval has gimple type but is not
10079         gimple value, force it into a SSA_NAME first.
10080
10081 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
10082
10083         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
10084         outdated section.
10085
10086 2016-02-08  Jason Merrill  <jason@redhat.com>
10087
10088         PR c++/69631
10089         * convert.c (convert_to_integer_1): Check dofold on truncation
10090         distribution.
10091         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
10092         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
10093         Rename from *_nofold.
10094         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
10095         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
10096
10097 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
10098
10099         PR target/60410
10100         * tree.c (build_common_tree_nodes): Remove short_double argument.
10101         All callers changed.
10102         * tree.h (build_common_tree_nodes): Adjust declaration.
10103         * doc/invoke.texi (-fshort-double): Remove documentation.
10104         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10105         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
10106         * lto-wrapper.c (merge_and_complain, append_compiler_options)
10107         (append_linker_options): Don't handle OPT_fshort_double.
10108
10109         PR rtl-optimization/68730
10110         * lra-remat.c (insn_to_cand_activation): New static variable.
10111         (lra_remat): Allocate and free it.
10112         (create_cand): New arg activation. Initialize a field in
10113         insn_to_cand_activation if it is nonnull.
10114         (create_cands): Pass the activation insn to create_cand when making
10115         a candidate involving an output reload.  Reorganize code a little.
10116         (do_remat): Keep track of active status of candidates in a separate
10117         bitmap.
10118
10119 2016-02-08  Richard Biener  <rguenther@suse.de>
10120
10121         PR tree-optimization/69719
10122         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10123         Properly use absolute of the difference of the two offsets to
10124         compare or adjust the segment length.
10125
10126 2016-02-08  Richard Biener  <rguenther@suse.de>
10127             Jeff Law  <law@redhat.com>
10128
10129         PR target/68273
10130         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
10131         types for anonymous SSA names.
10132
10133 2016-02-08   Richard Biener  <rguenther@suse.de>
10134
10135         PR rtl-optimization/69274
10136         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
10137
10138 2016-02-08  Jeff Law  <law@redhat.com>
10139
10140         PR tree-optimization/65917
10141         * tree-ssa-dom.c (record_temporary_equivalences): Record both
10142         equivalences from if (x == y) style conditionals.
10143         (loop_depth_of_name): Remove.
10144         (record_equality): Remove loop depth check.
10145         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
10146         (const_and_copies::record_const_or_copy_raw): New member function.
10147         * tree-ssa-scopedtables.c
10148         (const_and_copies::record_const_or_copy_raw): New, factored out of
10149         (const_and_copies::record_const_or_copy): Call new member function.
10150
10151 2016-02-05  Jeff Law  <law@redhat.com>
10152
10153         PR tree-optimization/68541
10154         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
10155         (count_stmts_in_block): New function.
10156         (poor_ifcvt_candidate_code): Likewise.
10157         (is_feasible_trace): Add some heuristics to determine when path
10158         splitting is profitable.
10159         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
10160         is a diamond with a single exit.
10161
10162 2016-02-05  Martin Sebor  <msebor@redhat.com>
10163
10164         PR c++/69662
10165         * doc/invoke.texi: Update -Wplacement-new to take an optional
10166         argument.
10167
10168 2016-02-06  Richard Henderson  <rth@redhat.com>
10169
10170         PR c/69643
10171         * tree.c (tree_nop_conversion_p): Do not strip casts into or
10172         out of non-standard address spaces.
10173
10174 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10175
10176         PR rtl-optimization/69691
10177         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
10178
10179 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
10180
10181         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
10182         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
10183         (*ieee128_mfvsrd_64bit): Likewise.
10184         (*ieee128_mfvsrd_32bit): Likewise.
10185
10186 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
10187
10188         PR target/69369
10189         Revert r232560:
10190         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10191
10192         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10193         instrumented_version.
10194
10195 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10196
10197         * doc/invoke.texi (Optimize Options): In table of --param options
10198         rename second occurrence of tracer-min-branch-ratio to
10199         tracer-min-branch-probability, rename
10200         tracer-min-branch-ratio-feedback to
10201         tracer-min-branch-probability-feedback and clarify description,
10202         rename sched-spec-state-edge-prob-cutoff to
10203         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
10204         to selsched-insns-to-rename, rename lto-minpartition to
10205         lto-min-partition, delete reorder-blocks-duplicate and
10206         reorder-blocks-duplicate-feedback.
10207
10208 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10209
10210         * config/s390/s390.c (s390_register_info_set_ranges): Remove
10211         superfluous loops.
10212
10213 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10214
10215         * doc/extend.texi: S/390: Correct some typos.
10216
10217 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10218
10219         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
10220
10221 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10222
10223         PR target/69625
10224         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
10225         (s390_register_info_gprtofpr): Use new macros above.
10226         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
10227         its name.
10228         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
10229         its name.  Adjust restore and save gpr ranges.
10230         (s390_register_info_set_ranges): New function.
10231         (s390_register_info): Use new macros above.  Call
10232         s390_register_info_set_ranges.
10233         (s390_optimize_register_info): Likewise.
10234         (s390_hard_regno_rename_ok): Use new macros.
10235         (s390_hard_regno_scratch_ok): Likewise.
10236         (s390_emit_epilogue): Likewise.
10237         (s390_can_use_return_insn): Likewise.
10238         (s390_optimize_prologue): Likewise.
10239         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
10240
10241 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10242
10243         PR bootstrap/69677
10244         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
10245         alignment fixes.
10246         (ix86_option_override_internal): Disable TARGET_STV even for
10247         -m{incoming,preferred}-stack-boundary=3.
10248
10249 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10250
10251         * config.gcc: Mark deprecated rtems targets as obsolete.
10252
10253 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
10254
10255         PR rtl-optimization/64682
10256         PR rtl-optimization/69567
10257         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
10258         before I2 only if the register is both used and set in I2.
10259
10260 2016-02-04  DJ Delorie  <dj@redhat.com>
10261
10262         * config/msp430/msp430.c (msp430_start_function): Add function type.
10263
10264 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10265
10266         PR fortran/69368
10267         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
10268
10269 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
10270
10271         PR rtl-optimization/69577
10272         Revert:
10273         2015-10-29  Richard Henderson  <rth@redhat.com>
10274
10275         PR target/68124
10276         PR rtl-opt/67609
10277         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
10278         sse check to the exact conditions of PR 67609.
10279
10280 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
10281
10282         PR target/69667
10283         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
10284         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
10285         not allowed into the traditional Altivec registers.
10286         (movtd_64bit_nodm): Likewise.
10287         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
10288
10289 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
10290
10291         * config/aarch64/cortex-a57-fma-steering.c
10292         (aarch64_register_fma_steering): Remove "static" from arguments
10293         to register_pass.
10294
10295 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
10296
10297         PR target/69619
10298         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
10299         twice when complex.
10300
10301 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
10302
10303         * doc/invoke.texi: Delete -mno-fma4.
10304
10305 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
10306
10307         PR rtl-optimization/69577
10308         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
10309         (find_subregs_of_mode): Update accordingly.  Iterate over partial
10310         definitions.
10311
10312 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
10313
10314         * config/arm/arm-protos.h (neon_reinterpret): Remove.
10315         * config/arm/arm.c (neon_reinterpret): Remove.
10316         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
10317         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
10318         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
10319         vreinterpretti): Remove.
10320         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
10321         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
10322         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
10323         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
10324         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
10325         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
10326         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
10327         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
10328         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
10329         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
10330         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
10331         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
10332         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
10333         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
10334         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
10335         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
10336         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
10337         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
10338         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
10339         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
10340         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
10341         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
10342         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
10343         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
10344         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
10345         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
10346         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
10347         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
10348         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
10349         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
10350         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
10351         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
10352         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
10353         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
10354         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
10355         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
10356         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
10357         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
10358         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
10359         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
10360         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
10361         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
10362         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
10363         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
10364         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
10365         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
10366         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
10367         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
10368         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
10369         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
10370         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
10371         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
10372         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
10373         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
10374         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
10375         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
10376         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
10377         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
10378         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
10379         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
10380         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
10381         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
10382         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
10383         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
10384         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
10385         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
10386         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
10387         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
10388         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
10389         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
10390         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
10391         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
10392         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
10393         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
10394         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
10395         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
10396         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
10397         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
10398         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
10399         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
10400         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
10401         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
10402         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
10403         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
10404         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
10405         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
10406         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
10407         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
10408         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
10409         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
10410         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
10411         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
10412         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
10413         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
10414         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
10415         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
10416         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
10417         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
10418         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
10419         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
10420         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
10421         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
10422         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
10423
10424 2016-02-04  Martin Liska  <mliska@suse.cz>
10425
10426         PR sanitizer/69276
10427         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
10428         that are gimple_store_p.
10429         (maybe_instrument_call): Likewise.
10430
10431 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
10432
10433         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
10434         register scaling out of memory reference and comment why.
10435
10436 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10437
10438         PR target/65932
10439         PR target/67714
10440         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
10441         folding the source of a SET.
10442
10443 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10444
10445         PR target/65932
10446         PR target/67714
10447         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
10448         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
10449
10450 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
10451
10452         PR target/65932
10453         PR target/67714
10454         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
10455         HImode.
10456
10457 2016-02-04  Christian Bruel  <christian.bruel@st.com>
10458
10459         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
10460         * config/arm/arm.c (arm_set_current_function): Likewise.
10461
10462 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10463             Ilya Enkovich  <enkovich.gnu@gmail.com>
10464             H.J. Lu  <hongjiu.lu@intel.com>
10465
10466         PR target/69454
10467         * config/i386/i386.c (convert_scalars_to_vector): Remove
10468         stack alignment fixes.
10469         (ix86_option_override_internal): Disable TARGET_STV if stack
10470         might not be aligned enough.
10471         (ix86_minimum_alignment): Assert that TARGET_STV is false.
10472
10473 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
10474
10475         * config/i386/x86-tune.def: Disable default prefetching
10476         for -march=znver1.
10477
10478 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
10479             Vladimir Makarov  <vmakarov@redhat.com>
10480
10481         PR target/69461
10482         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
10483         in validating fused toc addresses.
10484
10485 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
10486
10487         PR c/69627
10488         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
10489         range->m_caret fields if range->m_show_caret_p is false.
10490
10491         PR target/69644
10492         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10493         Force oldval into register if it does not satisfy reg_or_short_operand
10494         predicate.  Fix up formatting.
10495
10496 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10497             Alexandre Oliva  <aoliva@redhat.com>
10498
10499         PR target/69461
10500         * lra-constraints.c (simplify_operand_subreg): Check additionally
10501         address validity after potential reloading.
10502         (process_address_1): Check insns validity.  In case of failure do
10503         nothing.
10504
10505 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
10506
10507         PR target/69118
10508         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
10509         Fix target.
10510
10511 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
10512
10513         * wide-int.cc (canonize_uhwi): New function.
10514         (wi::divmod_internal): Use it.
10515
10516 2016-02-02  James Norris  <jnorris@codesourcery.com
10517
10518         * gimplify.c (omp_notice_variable): Add usage check.
10519
10520 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
10521
10522         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
10523         like LE, GE, LT, GT when emitting relational operator.
10524
10525 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10526
10527         * ira-costs.c (find_costs_and_classes): Add extra argument.
10528         * target.def (ira_change_pseudo_allocno_class): Add parameter.
10529         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
10530         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
10531         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
10532         Add best_class parameter, and return it if not ALL_REGS.
10533         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
10534         Add parameter.
10535         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
10536         Update target hook.
10537
10538 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10539
10540         * config/aarch64/aarch64.c
10541         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
10542         (aarch64_ira_change_pseudo_allocno_class): New function.
10543
10544 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
10545
10546         PR target/67032
10547         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
10548
10549 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10550
10551         * config/avr/avr.c (avr_option_override): Set
10552         PARAM_ALLOW_STORE_DATA_RACES to 1.
10553
10554 2016-02-02  Richard Biener  <rguenther@suse.de>
10555
10556         PR tree-optimization/69595
10557         * match.pd: Add range test simplifications to true/false.
10558
10559 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
10560
10561         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
10562         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
10563         instead.
10564
10565 2016-02-02  Richard Biener  <rguenther@suse.de>
10566
10567         PR tree-optimization/69606
10568         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
10569         info on the result before moving a stmt.
10570
10571 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
10572
10573         PR middle-end/68542
10574         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
10575         branch with vector comparison.
10576         * config/i386/sse.md (VI48_AVX): New mode iterator.
10577         (define_expand "cbranch<mode>4): Add support for conditional branch
10578         with vector comparison.
10579         * tree-vect-loop.c (optimize_mask_stores): New function.
10580         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
10581         has_mask_store field of vect_info.
10582         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
10583         vectorized loops having masked stores after vec_info destroy.
10584         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
10585         correspondent macros.
10586         (optimize_mask_stores): Add prototype.
10587
10588 2016-02-02  Alan Modra  <amodra@gmail.com>
10589
10590         PR target/69548
10591         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
10592         allow subregs.
10593
10594 2016-02-02  Alan Modra  <amodra@gmail.com>
10595
10596         PR target/68662
10597         * config/rs6000/rs6000.c (need_toc_init): New var, set it
10598         whenever toc_label_name used.
10599         (rs6000_file_start): Don't set up toc section here,
10600         (rs6000_output_function_epilogue): do so here instead,
10601         (rs6000_xcoff_file_start): and here.
10602         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
10603         (load_toc_aix_di): Likewise.
10604
10605 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10606
10607         PR rtl-optimization/69592
10608         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
10609         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
10610         (num_sign_bit_copies_binary_arith_p): New inline function.
10611         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
10612
10613 2016-02-01  Jeff Law  <law@redhat.com>
10614
10615         PR tree-optimization/69580
10616         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
10617         * tree-ssa-threadbackward.c
10618         (fsm_find_control_statement_thread_paths): Do not try to walk
10619         through large PHI nodes.
10620
10621 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10622
10623         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
10624         when count is incremented above limit, don't analyze further
10625         insns afterwards.
10626
10627         * omp-low.c (oacc_parse_default_dims): Avoid
10628         -Wsign-compare warning, make sure value fits into int
10629         rather than just unsigned int.
10630
10631 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
10632
10633         PR tree-optimization/67921
10634         * fold-const.c (split_tree): New parameters.  Convert pointer
10635         type variable part to proper type before negating.
10636         (fold_binary_loc): Pass new arguments to split_tree.
10637
10638 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
10639
10640         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
10641         (nvptx_goacc_validate_dims): Extend to handle global defaults.
10642         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
10643         * doc/tm.texti: Rebuilt.
10644         * doc/invoke.texi (fopenacc-dim): Document.
10645         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
10646         (append_compiler_options): Likewise.
10647         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
10648         (oacc_parse_default_dims): New.
10649         (oacc_validate_dims): Add USED arg.  Select non-unity default when
10650         possible.
10651         (oacc_loop_fixed_partitions): Return mask of used partitions.
10652         (oacc_loop_auto_partitions): Emit dump info.
10653         (oacc_loop_partition): Return mask of used partitions.
10654         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
10655         loop partitioning and validation calls.
10656
10657 2016-02-01  Richard Biener  <rguenther@suse.de>
10658
10659         PR middle-end/69556
10660         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
10661
10662 2016-02-01  Richard Biener  <rguenther@suse.de>
10663
10664         PR tree-optimization/69574
10665         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
10666         of asserting return chrec_dont_know.
10667
10668 2016-02-01  Martin Liska  <mliska@suse.cz>
10669
10670         * mem-stats-traits.h: Add copyright header.
10671         * mem-stats.h: Likewise.
10672
10673 2016-02-01  Richard Biener  <rguenther@suse.de>
10674
10675         PR tree-optimization/69579
10676         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10677         Do not propagate through abnormal PHI results.
10678
10679 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
10680
10681         * postreload.c (reload_cse_simplify): Remove dead code.
10682
10683 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10684
10685         PR rtl-optimization/69570
10686         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
10687         if there is more than one set, not if there is a single set.
10688
10689 2016-02-01  Richard Henderson  <rth@redhat.com>
10690
10691         PR rtl-opt/69535
10692         * combine.c (make_compound_operation): When looking through a
10693         subreg, make sure to re-extend to the width of the outer mode.
10694
10695 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
10696
10697         PR tree-optimization/69546
10698         * wide-int.cc (wi::divmod_internal): For unsigned division
10699         where both operands fit into uhwi, if o1 is 1 and o0 has
10700         msb set, if divident_prec is larger than bits per hwi,
10701         clear another quotient word and return 2 instead of 1.
10702         Similarly for remainder with msb in HWI set, if dividend_prec
10703         is larger than bits per hwi.
10704
10705 2016-01-29  Martin Jambor  <mjambor@suse.cz>
10706
10707         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
10708         Use short lowercase names.
10709         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
10710         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
10711         acq_rel one.  Protect warning agains segfaults if
10712         get_memory_order_name returns NULL.
10713         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
10714         with release semantics.  Do not warn if get_memory_order already did.
10715         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
10716         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
10717         if get_memory_order already did.
10718
10719 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
10720
10721         * doc/install.texi: Document that isl-0.16 is supported.
10722
10723 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10724
10725         PR target/69299
10726         * config/i386/constraints.md (Bm): Describe as special memory
10727         constraint.
10728         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
10729         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10730         * genpreds.c (struct constraint_data): Add is_special_memory.
10731         (have_special_memory_constraints, special_memory_start): New
10732         static vars.
10733         (special_memory_end): Ditto.
10734         (add_constraint): Add new arg is_special_memory.  Add code to
10735         process its true value.  Update have_special_memory_constraints.
10736         (process_define_constraint): Pass the new arg.
10737         (process_define_register_constraint): Ditto.
10738         (choose_enum_order): Process special memory.
10739         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
10740         function insn_extra_special_memory_constraint.
10741         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10742         * gensupport.c (process_rtx): Process
10743         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10744         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
10745         * ira-lives.c (single_reg_class): Use
10746         insn_extra_special_memory_constraint.
10747         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
10748         * lra-constraints.c (process_alt_operands): Ditto.
10749         (curr_insn_transform): Use insn_extra_special_memory_constraint.
10750         * recog.c (asm_operand_ok, preprocess_constraints): Process
10751         CT_SPECIAL_MEMORY.
10752         * reload.c (find_reloads): Ditto.
10753         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
10754         * stmt.c (parse_input_constraint): Use
10755         insn_extra_special_memory_constraint.
10756
10757 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10758
10759         PR target/69530
10760         * lra-splill.c (lra_final_code_change): Revert r229087 by
10761         removing all sub-registers.
10762
10763 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
10764
10765         PR target/65604
10766         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
10767
10768 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
10769
10770         PR target/69551
10771         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10772         SSE1, copy target into the temporary reg first before recursing
10773         on it.
10774
10775 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10776
10777         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
10778         with vm.
10779
10780 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10781
10782         * ginclude/stdarg.h: Test __cplusplus instead of
10783         __GXX_EXPERIMENTAL_CXX0X__.
10784
10785 2016-01-29  Richard Biener  <rguenther@suse.de>
10786
10787         PR tree-optimization/69547
10788         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
10789         Do not mark clobbers necessary.
10790         (mark_all_reaching_defs_necessary_1): Likewise.
10791
10792 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10793
10794         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
10795         declaration name with %qs and print it in both error messages.
10796         Also fix indentation.
10797
10798 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10799
10800         PR other/69006
10801         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
10802         trailing blank line from error message.
10803
10804 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10805
10806         PR c++/69462
10807         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
10808         for C++-11.
10809
10810 2016-01-29  Richard Biener  <rguenther@suse.de>
10811
10812         PR middle-end/69537
10813         * match.pd: Allow all integral types when simplifying a
10814         widening or sign-changing conversion.
10815
10816 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10817
10818         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
10819         back to setting codegen_error to fail codegen.
10820
10821 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
10822
10823         PR target/69459
10824         * config/i386/constraints.md (C): Only accept constant zero operand.
10825         (BC): New constraint.
10826         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
10827         instead of C constraint.
10828         * doc/md.texi (Machine Constraints): Update description
10829         of C constraint.
10830
10831 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
10832
10833         PR target/68400
10834         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
10835
10836 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
10837
10838         PR middle-end/69542
10839         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
10840         non-debug insns.
10841
10842 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10843
10844         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
10845         branches if using guessed profile.
10846
10847 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
10848
10849         * graphite-optimize-isl.c (optimize_isl): Fix dump.
10850
10851 2016-01-28  Richard Henderson  <rth@redhat.com>
10852
10853         PR target/69305
10854         * config/aarch64/aarch64-modes.def (CC_Cmode): New
10855         * config/aarch64/aarch64-protos.h: Update.
10856         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
10857         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
10858         (aarch64_get_condition_code_1): Handle CC_Cmode.
10859         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
10860         (*add<mode>3_compareC_cconly_imm): New.
10861         (*add<mode>3_compareC_cconly): New.
10862         (*add<mode>3_compareC_imm): New.
10863         (add<mode>3_compareC): New.
10864         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
10865         to be first.  Use aarch64_carry_operation.
10866         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
10867         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
10868         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
10869         (subti3): Use subdi3_compare1.
10870         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
10871         (sub<mode>3_compare1): New.
10872         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
10873         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
10874         (*subsi3_carryin_uxtw): Likewise.
10875         (*ngc<mode>, *ngcsi_uxtw): Likewise.
10876         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
10877         * config/aarch64/iterators.md (DWI): New.
10878         * config/aarch64/predicates.md (aarch64_carry_operation): New.
10879         (aarch64_borrow_operation): New.
10880
10881 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10882
10883         * graphite-optimize-isl.c (optimize_isl): Print a different debug
10884         message when isl does not return a valid schedule.
10885
10886 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10887
10888         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
10889         Remove comments from class declarations: they are already in the code
10890         close by the defs.
10891
10892 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10893
10894         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
10895         codegen_error_p.
10896         (ternary_op_to_tree): Same.
10897         (unary_op_to_tree): Same.
10898         (nary_op_to_tree): Same.
10899         (gcc_expression_from_isl_expr_op): Same.
10900         (gcc_expression_from_isl_expression): Same.
10901         (graphite_create_new_loop): Same.
10902         (graphite_create_new_loop_guard): Same.
10903         (build_iv_mapping): Same.
10904         (graphite_create_new_guard): Same.
10905         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
10906         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
10907
10908 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10909
10910         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
10911         instead of setting codegen_error to fail codegen.
10912
10913 2016-01-28  Jason Merrill  <jason@redhat.com>
10914
10915         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
10916
10917 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10918
10919         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10920         Remove CONST_INT_P check in CCMP cost calculation.
10921
10922 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10923
10924         * config/aarch64/aarch64.c (generic_vector_cost):
10925         Set vec_permute_cost.
10926         (cortexa57_vector_cost): Likewise.
10927         (exynosm1_vector_cost): Likewise.
10928         (xgene1_vector_cost): Likewise.
10929         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
10930         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
10931         Add vec_permute_cost entry.
10932
10933 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10934
10935         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
10936         immediate as %1.
10937         (add<mode>3_compare0): Likewise.
10938         (addsi3_compare0_uxtw): Likewise.
10939         (add<mode>3nr_compare0): Likewise.
10940         (compare_neg<mode>): Likewise.
10941         (<optab><mode>3): Likewise.
10942
10943 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
10944
10945         * tree-vect-stmts.c (vectorizable_comparison): Add
10946         NULL check for vectype.
10947
10948 2016-01-28  Richard Biener  <rguenther@suse.de>
10949
10950         PR tree-optimization/69466
10951         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
10952         Account for PHIs we couldn't duplicate.
10953
10954 2016-01-28  Martin Liska  <mliska@suse.cz>
10955
10956         PR pch/68758
10957         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
10958         instead of ENABLE_VALGRIND_CHECKING.
10959
10960 2016-01-27  Richard Henderson  <rth@redhat.com>
10961
10962         PR rtl-opt/69447
10963         * lra-remat.c (subreg_regs): New.
10964         (dump_candidates_and_remat_bb_data): Dump it.
10965         (operand_to_remat): Reject if operand in subreg_regs.
10966         (set_bb_regs): Collect subreg_regs.
10967         (lra_remat): Init and free subreg_regs.  Compute
10968         calculate_local_reg_remat_bb_data before create_cands.
10969
10970 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10971
10972         PR target/68986
10973         * config/i386/i386.c (ix86_update_stack_boundary): Don't
10974         change stack_alignment_needed for __tls_get_addr call.
10975
10976 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
10977
10978         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
10979
10980 2016-01-27  Jeff Law  <law@redhat.com>
10981
10982         PR tree-optimization/68398
10983         PR tree-optimization/69196
10984         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
10985         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
10986         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10987         Only count PHIs in the last block in the path.  The others will
10988         const/copy propagate away.  Add heuristic to allow more irreducible
10989         subloops to be created when it is likely profitable to do so.
10990
10991         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10992         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
10993         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
10994
10995 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
10996
10997         PR lto/69254
10998         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
10999         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
11000         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
11001         * tree-streamer-in.c: Include asan.h.
11002         (streamer_get_builtin_tree): For builtins in sanitizer
11003         range call initialize_sanitizer_builtins and retry.
11004
11005 2016-01-27  Ian Lance Taylor  <iant@google.com>
11006
11007         * common.opt (fkeep-gc-roots-live): New undocumented option.
11008         * tree-ssa-loop-ivopts.c (add_candidate_1): If
11009         -fkeep-gc-roots-live, skip pointers.
11010         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
11011         NULL.
11012
11013 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
11014
11015         PR target/69512
11016         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
11017         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
11018
11019 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
11020
11021         PR target/68380
11022         * configure.ac: NetBSD provides SSP in its C library.
11023         * configure: Updated.
11024
11025 2016-01-27  Richard Biener  <rguenther@suse.de>
11026
11027         PR tree-optimization/69166
11028         * tree-vect-loop.c (vect_is_simple_reduction): Always check
11029         reduction code for commutativity / associativity.
11030
11031 2016-01-27  Martin Jambor  <mjambor@suse.cz>
11032
11033         PR tree-optimization/69355
11034         * tree-sra.c (analyze_access_subtree): Correct hole detection when
11035         total_scalarization fails.
11036
11037 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
11038
11039         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
11040         power9.
11041
11042 2016-01-27  Christian Bruel  <christian.bruel@st.com>
11043
11044         PR target/69245
11045         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
11046         Move arm_reset_previous_fndecl and set_target_option_current_node in
11047         the conditional part.  Call save_restore_target_globals.
11048         * config/arm/arm.c (arm_set_current_function):
11049         Refactor to better support #pragma target and attribute mix.
11050         Call save_restore_target_globals.
11051         * config/arm/arm-protos.h (save_restore_target_globals): New function.
11052
11053 2016-01-27  Martin Liska  <mliska@suse.cz>
11054
11055         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
11056         reference for an HSA kernel and its host function.
11057
11058 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11059
11060         PR tree-optimization/69399
11061         * wide-int.h (wi::lrshift): For larger precisions, only
11062         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
11063
11064 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
11065
11066         * config/arc/predicates.md (proper_comparison_operator): Reject
11067         constant-constant comparison.
11068
11069 2016-01-26  Tom de Vries  <tom@codesourcery.com>
11070
11071         PR tree-optimization/69110
11072         * tree-data-ref.c (initialize_data_dependence_relation): Handle
11073         DR_NUM_DIMENSIONS == 0.
11074
11075 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
11076             Sebastian Pop  <s.pop@samsung.com>
11077
11078         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
11079         isl_ast_op_cond and isl_ast_op_select.
11080         (gcc_expression_from_isl_expr_op): Same.
11081
11082 2016-01-26  Jason Merrill  <jason@redhat.com>
11083
11084         PR c++/68782
11085         * tree.c (recompute_constructor_flags): Split out from
11086         build_constructor.
11087         (verify_constructor_flags): New.
11088         * tree.h: Declare them.
11089
11090 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
11091
11092         PR rtl-optimization/69217
11093         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
11094         are no TYPE_FIELDS set for the record type.
11095
11096 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11097
11098         PR target/68662
11099         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
11100         toc_label_name unconditionally.
11101         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
11102         SYMBOL_REF string.  Use toc_label_name instead of constructing
11103         LCTOC1.
11104         (rs6000_elf_declare_function_name): Use toc_label_name instead of
11105         constructing LCTOC1.
11106
11107 2016-01-26  Martin Sebor  <msebor@redhat.com>
11108
11109         PR other/69477
11110         * doc/extend.texi (Common Type Attributes): Move text that talks about
11111         attribute packed from attribute aligned to the section discussing
11112         the former attribute for clarity.
11113
11114 2016-01-26  Richard Henderson  <rth@redhat.com>
11115
11116         PR middle-end/60908
11117         * trans-mem.c (tm_region_init): Mark entry block as visited.
11118
11119 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
11120
11121         PR other/69006
11122         * diagnostic-show-locus.c (layout::print_source_line): Replace
11123         call to pp_newline with call to layout::print_newline.
11124         (layout::print_annotation_line): Likewise.
11125         (layout::move_to_column): Likewise.
11126         (layout::print_any_fixits): After printing any fixits, print a
11127         trailing newline, if necessary.
11128         (layout::print_newline): New method, resetting any colorization
11129         before a newline.
11130         (diagnostic_show_locus): Move the pp_newline to before the
11131         early bailout.  Remove dummy block enclosing the layout instance.
11132         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
11133         of pp_newline_and_flush with pp_flush.
11134         (diagnostic_append_note): Delete use of pp_newline.
11135         (diagnostic_append_note_at_rich_loc): Delete.
11136         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
11137         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
11138         when newline characters are added to the buffer.
11139
11140 2016-01-26  Michael Matz  <matz@suse.de>
11141
11142         * configure.ac (ac_cv_std_swap_in_utility): New test.
11143         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
11144         * configure: Regenerate.
11145         * config.in: Regenerate.
11146
11147 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
11148
11149         * config/arc/arc.md (cstoresi4): Force operand into register.
11150         (arcset<code>): Fix predicate.
11151         (arcsetltu): Likewise.
11152         (arcsetgeu): Likewise.
11153         (arcsethi): Likewise.
11154         (arcsetls): Likewise.
11155
11156 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11157
11158         PR tree-optimization/69483
11159         * gimple-fold.c (canonicalize_constructor_val): Return NULL
11160         if base has error_mark_node type.
11161
11162 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
11163
11164         PR target/68620
11165         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
11166         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
11167         New helper macros.
11168         (vget_lane_f16): Handle big-endian.
11169         (vgetq_lane_f16): Likewise.
11170         (vset_lane_f16): Likewise.
11171         (vsetq_lane_f16): Likewise.
11172         * config/arm/iterators.md (VQXMOV): Add V8HF.
11173         (VDQ): Add V4HF and V8HF.
11174         (V_reg): Handle V4HF and V8HF.
11175         (Is_float_mode): Likewise.
11176         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
11177         neon_vdup_nv8hf): New patterns.
11178         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
11179         Use VD_LANE iterator.
11180         (neon_vld1_dup<mode>): Use VQ2 iterator.
11181
11182 2016-01-26  Nathan Sidwell  <nathan@acm.org>
11183
11184         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
11185         (set_oacc_fn_attrib): Add IS_KERNEL arg.
11186         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
11187         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
11188         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
11189         (oacc_validate_dims): Add LEVEL arg, don't return level.
11190         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
11191         oacc_validate_dims.
11192         (execute_oacc_device_lower): Adjust, add more dump output.
11193         * tree-ssa-loop.c (gate_oacc_kernels): Use
11194         oacc_fn_attrib_kernels_p.
11195         * tree-parloops.c (create_parallel_loop): Adjust
11196         set_oacc_fn_attrib call.
11197
11198 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11199
11200         PR lto/69254
11201         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
11202         (append_compiler_options): Handle -fcilkplus.
11203         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
11204
11205 2016-01-26  Nick Clifton  <nickc@redhat.com>
11206
11207         PR target/66655
11208         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
11209         been marked as DECL_ONE_ONLY but we do not the means to make it
11210         so, then do not allow it to bind locally.
11211
11212 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11213
11214         PR lto/69254
11215         * opts.h (parse_sanitizer_options): New prototype.
11216         * opts.c (sanitizer_opts): New array.
11217         (parse_sanitizer_options): New function.
11218         (common_handle_option): Use parse_sanitizer_options.
11219
11220 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
11221
11222         PR target/68986
11223         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
11224         alignment adjustment to ...
11225         (ix86_update_stack_boundary): Here.  Don't over-align stack for
11226         __tls_get_addr.
11227         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
11228         if __tls_get_addr is called.
11229
11230 2016-01-26  Christian Bruel  <christian.bruel@st.com>
11231
11232         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
11233
11234 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
11235
11236         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
11237
11238 2016-01-26  Richard Biener  <rguenther@suse.de>
11239
11240         PR middle-end/69467
11241         * match.pd: Guard X * CST CMP 0 pattern with single_use.
11242
11243 2016-01-26  Richard Biener  <rguenther@suse.de>
11244
11245         PR tree-optimization/69452
11246         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
11247         (move_computations_dom_walker::before_dom_children): Rename
11248         to ...
11249         (move_computations_worker): This.
11250         (move_computations): Perform an RPO rather than a DOM walk.
11251
11252 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11253
11254         PR target/69442
11255         * combine.c (combine_instructions): For REG_EQUAL note with
11256         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
11257         to the underlying register.
11258         * doc/rtl.texi (REG_EQUAL): Document the behavior of
11259         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
11260
11261 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
11262
11263         PR target/67896
11264         * config/aarch64/aarch64-builtins.c
11265         (aarch64_init_simd_builtin_types): Do not set structural
11266         equality to __Poly{8,16,64,128}_t types.
11267
11268 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
11269
11270         PR tree-optimization/69400
11271         * wide-int.cc (wi_pack): Take the precision as argument and
11272         perform canonicalization here rather than in the callers.
11273         Use the main loop to handle all full-width HWIs.  Add a
11274         zero HWI if in_len isn't a full result.
11275         (wi::divmod_internal): Update accordingly.
11276         (wi::mul_internal): Likewise.  Simplify.
11277
11278 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11279             Sebastian Pop  <s.pop@samsung.com>
11280
11281         * graphite-poly.c (apply_poly_transforms): Simplify.
11282         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
11283         (print_isl_map): Same.
11284         (print_isl_union_map): Same.
11285         (print_isl_schedule): New.
11286         (debug_isl_schedule): New.
11287         * graphite-dependences.c (scop_get_reads): Do not call
11288         isl_union_map_add_map that is undocumented isl functionality.
11289         (scop_get_must_writes): Same.
11290         (scop_get_may_writes): Same.
11291         (scop_get_original_schedule): Remove.
11292         (scop_get_dependences): Do not call isl_union_map_compute_flow that
11293         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
11294         (compute_deps): Remove.
11295         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
11296         (debug_schedule_ast): New.
11297         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
11298         set_separate_option.
11299         (graphite_regenerate_ast_isl): Add dump.
11300         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
11301         from scop->transformed_schedule.
11302         (graphite_regenerate_ast_isl): Add more dump.
11303         * graphite-optimize-isl.c (optimize_isl): Set
11304         scop->transformed_schedule.  Check whether schedules are equal.
11305         (apply_poly_transforms): Move here.
11306         * graphite-poly.c (apply_poly_transforms): ... from here.
11307         (free_poly_bb): Static.
11308         (free_scop): Static.
11309         (pbb_number_of_iterations_at_time): Remove.
11310         (print_isl_ast): New.
11311         (debug_isl_ast): New.
11312         (debug_scop_pbb): New.
11313         * graphite-scop-detection.c (print_edge): Move.
11314         (print_sese): Move.
11315         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
11316         (build_scop_scattering): Remove.
11317         (create_pw_aff_from_tree): Assert instead of bailing out.
11318         (add_condition_to_pbb): Remove unused code, do not fail.
11319         (add_conditions_to_domain): Same.
11320         (add_conditions_to_constraints): Remove.
11321         (build_scop_context): New.
11322         (add_iter_domain_dimension): New.
11323         (build_iteration_domains): Initialize pbb->iterators.
11324         Call add_conditions_to_domain.
11325         (nested_in): New.
11326         (loop_at): New.
11327         (index_outermost_in_loop): New.
11328         (index_pbb_in_loop): New.
11329         (outermost_pbb_in): New.
11330         (add_in_sequence): New.
11331         (add_outer_projection): New.
11332         (outer_projection_mupa): New.
11333         (add_loop_schedule): New.
11334         (build_schedule_pbb): New.
11335         (build_schedule_loop): New.
11336         (embed_in_surrounding_loops): New.
11337         (build_schedule_loop_nest): New.
11338         (build_original_schedule): New.
11339         (build_poly_scop): Call build_original_schedule.
11340         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
11341         (free_poly_dr): Remove.
11342         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
11343         (free_poly_bb): Remove.
11344         (debug_loop_vec): Remove.
11345         (print_isl_ast): Declare.
11346         (debug_isl_ast): Declare.
11347         (scop_do_interchange): Remove.
11348         (scop_do_strip_mine): Remove.
11349         (scop_do_block): Remove.
11350         (flatten_all_loops): Remove.
11351         (optimize_isl): Remove.
11352         (pbb_number_of_iterations_at_time): Remove.
11353         (debug_scop_pbb): Declare.
11354         (print_schedule_ast): Declare.
11355         (debug_schedule_ast): Declare.
11356         (struct scop): Remove schedule.  Add original_schedule,
11357         transformed_schedule.
11358         (free_gimple_poly_bb): Remove.
11359         (print_generated_program): Remove.
11360         (debug_generated_program): Remove.
11361         (unify_scattering_dimensions): Remove.
11362         * sese.c (print_edge): ... here.
11363         (print_sese): ... here.
11364         (debug_edge): ... here.
11365         (debug_sese): ... here.
11366         * sese.h (print_edge): Declare.
11367         (print_sese): Declare.
11368         (dump_edge): Declare.
11369         (dump_sese): Declare.
11370
11371 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11372             Sebastian Pop  <s.pop@samsung.com>
11373
11374         * Makefile.in: Set ISLVER in site.exp.
11375
11376 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
11377
11378         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
11379         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
11380         through DECL_VALUE_EXPR for expansion.
11381
11382 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11383
11384         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
11385         the frame info after reload completed.
11386
11387 2016-01-25  Jeff Law  <law@redhat.com>
11388
11389         PR tree-optimization/69196
11390         PR tree-optimization/68398
11391         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
11392         tree-ssa-threadupdate.c.
11393         (determine_bb_domination_status): Prototype
11394         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
11395         (determine_bb_domination_status): No longer static.
11396         (valid_jump_thread_path): Remove code to detect characteristics
11397         of the jump thread path not associated with correctness.
11398         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
11399         Correct test for thread path length.  Count PHIs for real operands as
11400         statements that need to be copied.  Do not count ASSERT_EXPRs.
11401         Look at all the blocks in the thread path.  Compute and selectively
11402         filter thread paths based on threading through the latch, threading
11403         a multiway branch or crossing a multiway branch.
11404
11405 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11406
11407         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
11408         decl with __attribute__ ((unused)) annotation.
11409
11410 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
11411
11412         PR target/69421
11413         * tree-vect-stmts.c (vectorizable_condition): Check vectype
11414         of operands is compatible with a statement vectype.
11415
11416 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
11417
11418         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
11419         improve wording for mixed storage order support.
11420
11421 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
11422
11423         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
11424         (vcvt_u64_f64): Likewise.
11425         (vcvta_s64_f64): Likewise.
11426         (vcvta_u64_f64): Likewise.
11427         (vcvtm_s64_f64): Likewise.
11428         (vcvtm_u64_f64): Likewise.
11429         (vcvtn_s64_f64): Likewise.
11430         (vcvtn_u64_f64): Likewise.
11431         (vcvtp_s64_f64): Likewise.
11432         (vcvtp_u64_f64): Likewise.
11433
11434 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
11435
11436         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
11437         (arc_init): Check validity mll64 option.
11438         (arc_save_restore): Use double load/store instruction.
11439         (arc_expand_movmem): Likewise.
11440         (arc_split_move): Don't split if we have double load/store
11441         instructions. Returns a boolean.
11442         (arc_process_double_reg_moves): Change function to return boolean
11443         instead of a sequence of instructions.
11444         (arc_dwarf_register_span): New function.
11445         * config/arc/arc-protos.h (arc_split_move): Change prototype.
11446         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
11447         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
11448         (*movdf_insn): Likewise.
11449         * config/arc/arc.opt (mll64): New option.
11450         * config/arc/predicates.md (even_register_operand): New predicate.
11451         * doc/invoke.texi (ARC Options): Add mll64 documentation.
11452
11453 2016-01-25  Richard Biener  <rguenther@suse.de>
11454
11455         PR lto/69393
11456         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
11457         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
11458         DECL_NAMELESS.
11459         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
11460
11461 2016-01-25  Richard Biener  <rguenther@suse.de>
11462
11463         PR tree-optimization/69376
11464         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
11465         flag.
11466         (VN_INFO_ANTI_RANGE_P): New inline.
11467         (VN_INFO_RANGE_TYPE): Likewise.
11468         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
11469         SSA_NAME_ANTI_RANGE_P.
11470         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
11471         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11472         Properly query VN_INFO_RANGE_TYPE.
11473
11474 2016-01-25  Nick Clifton  <nickc@redhat.com>
11475
11476         PR target/66655
11477         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
11478
11479 2016-01-23  Tom de Vries  <tom@codesourcery.com>
11480
11481         PR tree-optimization/69426
11482         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
11483         removed clobber.
11484
11485 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
11486
11487         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
11488         "the the" with "the" in the comments.
11489         * ipa-devirt.c (build_type_inheritance_graph,
11490         update_type_inheritance_graph): Likewise.
11491         * tree.c (build_function_type_list_1): Likewise.
11492         * cfgloopmanip.c (scale_loop_profile): Likewise.
11493         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
11494         * gimple-ssa-split-paths.c
11495         (find_block_to_duplicate_for_splitting_paths): Likewise.
11496         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
11497         * expr.c (convert_move): Likewise.
11498         * var-tracking.c (vt_stack_adjustments): Likewise.
11499         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11500         * tree-vrp.c (test_for_singularity): Likewise.
11501
11502         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
11503         directly instead of building a temporary tree.
11504
11505         PR bootstrap/69434
11506         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
11507         remove <algorithm> include.
11508
11509 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11510
11511         PR target/69432
11512         * config/i386/i386.c: Include dojump.h.
11513         (expand_small_movmem_or_setmem,
11514         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
11515         fixes.
11516         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
11517         if dynamic_check != -1.
11518
11519 2016-01-21  Jeff Law  <law@redhat.com>
11520
11521         PR middle-end/69347
11522         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
11523         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
11524         into dominated_by_p.
11525         (cprop_into_successor_phis): Avoid unnecessary tests.
11526
11527 2016-01-22  Richard Henderson  <rth@redhat.com>
11528
11529         PR target/69416
11530         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
11531         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
11532
11533 2016-01-22  Michael Matz  <matz@suse.de>
11534
11535         * system.h (string, algorithm): Include only conditionally.
11536         (new): Include always under C++.
11537         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
11538         * final.c (toplevel): Ditto.
11539         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
11540         * genconditions.c (write_header): Make gencondmd.c define
11541         INCLUDE_STRING.
11542         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
11543
11544         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
11545         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
11546
11547 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11548
11549         PR target/68674
11550         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
11551
11552 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11553
11554         PR target/69403
11555         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
11556         define_insn_and_split.  Ensure operands[1] and operands[0] do not
11557         get assigned the same register.
11558
11559 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
11560
11561         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
11562
11563 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11564
11565         * config/arm/arm-c.c (arm_pragma_target_parse):
11566         Remove warn_builtin_macro_redefined overwrite.
11567
11568 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11569
11570         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
11571         flag_non_call_exceptions compatibility.
11572
11573 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11574
11575         PR debug/66668
11576         * dwarf2out.c (add_child_die_after): New function.
11577         (dwarf_qual_info_t): New type.
11578         (dwarf_qual_info): New variable.
11579         (qualified_die_p): New function.
11580         (modified_type_die): For -fdebug-types-section, ensure
11581         canonical order of qualifiers.  Put qualified DIEs adjacent
11582         to the corresponding non-qualified type DIE and search there
11583         for existing qualified DIEs.
11584
11585 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11586
11587         * doc/extend.texi (scalar_storage_order type attribute): Document
11588         restriction on type punning and aliasing, and remove future tense.
11589
11590 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
11591
11592         PR target/69252
11593         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
11594         first stage.
11595
11596 2016-01-21  Jeff Law  <law@redhat.com>
11597
11598         PR middle-end/69347
11599         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
11600         useless call to record_temporary_equivalences.
11601         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
11602         allocate 10 slots in the bb_path vector and let it grow as needed.
11603         (fsm_find_control_statement_thread_paths): Similarly for the next_path
11604         vector.
11605
11606 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11607
11608         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
11609         Detangle.
11610         * configure: Regenerate.
11611
11612 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
11613
11614         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
11615         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
11616
11617 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11618
11619         PR middle-end/66178
11620         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
11621         drop EXPAND_INITIALIZER.
11622         * rtl.h (contains_symbolic_reference_p): Declare.
11623         * rtlanal.c (contains_symbolic_reference_p): New function.
11624         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
11625         a subtraction into a NOT if symbolic constants are involved.
11626
11627 2016-01-21  Anton Blanchard  <anton@samba.org>
11628             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11629
11630         PR target/63354
11631         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
11632         #define.
11633         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
11634         function.
11635
11636 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11637
11638         * config/microblaze/microblaze.c
11639         (get_branch_target): New.
11640         (insert_wic_for_ilb_runout): New.
11641         (insert_wic): New.
11642         (microblaze_machine_dependent_reorg): New.
11643         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
11644         * config/microblaze/microblaze.md
11645         (UNSPEC_IPREFETCH): Define.
11646         (iprefetch): New pattern
11647         * config/microblaze/microblaze.opt
11648         (mxl-prefetch): New flag.
11649
11650 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11651
11652         * config/microblaze/microblaze.h
11653         (FIXED_REGISTERS): Update in macro.
11654         (CALL_USED_REGISTERS): Update in macro.
11655
11656 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
11657
11658         PR rtl-optimization/68920
11659         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
11660         moves.
11661
11662 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11663
11664         PR rtl-optimization/68990
11665         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
11666         pseudo instead of inheritance ones.
11667
11668 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11669             Nick Clifton  <nickc@redhat.com>
11670
11671         PR target/69129
11672         PR target/69012
11673         * config/mips/mips.c (mips_compute_frame_info): Initialise
11674         args_size and hard_frame_pointer_offset fields of the frame
11675         structure before calling mips_global_pointer.
11676
11677 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11678
11679         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
11680         label reference.
11681         * configure: Regenerate.
11682
11683 2016-01-21  Richard Biener  <rguenther@suse.de>
11684
11685         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
11686
11687 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11688
11689         * config/s390/s390.c (s390_asm_declare_function_size): Add code
11690         to actually emit the .size directive.
11691
11692 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
11693              Jakub Jelinek  <jakub@redhat.com>
11694
11695         PR target/69187
11696         PR target/65624
11697         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
11698         args array size by one to avoid buffer overflow.
11699
11700 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11701
11702         * config/s390/s390.md (pool_section_start): Use switch_to_section
11703         to select proper read-only data section instead of hardcoding
11704         .rodata.
11705         (pool_section_end): Use switch_to_section to match the above.
11706
11707 2016-01-21  Richard Biener  <rguenther@suse.de>
11708
11709         PR tree-optimization/69378
11710         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
11711         (set_ssa_val_to): Use it for dominance checks taking into
11712         account not executable edges.
11713
11714 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11715
11716         PR c++/69355
11717         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
11718         for bitsize instead of GET_MODE_PRECISION (mode).
11719
11720 2016-01-20  Martin Sebor  <msebor@redhat.com>
11721
11722         PR c/52291
11723         * extend.texi (__sync Builtins): Clarify the semantics of
11724         __sync_fetch_and_OP built-ins on pointers.
11725         (__atomic Builtins): Same.
11726
11727 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11728             Sebastian Pop  <s.pop@samsung.com>
11729
11730         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
11731         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
11732         (is_valid_rename): Same.
11733         (translate_isl_ast_to_gimple::get_rename): Same.
11734         (translate_isl_ast_to_gimple::rename_all_uses): Same.
11735         (translate_isl_ast_to_gimple::rename_uses): Same.
11736         (get_new_name): Check for close_phi nodes.
11737         (copy_loop_phi_args): Use phi_node_kind.
11738         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
11739         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
11740
11741 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11742             Sebastian Pop  <s.pop@samsung.com>
11743
11744         Revert commit r229783.
11745         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
11746         Remove use of parameter_rename_map.
11747         (copy_def): Remove.
11748         (copy_internal_parameters): Remove.
11749         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
11750         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
11751         (free_sese_info): Do not free parameter_rename_map.
11752         (set_rename): Do not use parameter_rename_map.
11753         (rename_uses): Update call to set_rename.
11754         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
11755         * sese.h (parameter_rename_map_t): Remove.
11756         (struct sese_info_t): Remove field parameter_rename_map.
11757
11758 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11759             Sebastian Pop  <s.pop@samsung.com>
11760
11761         * graphite-isl-ast-to-gimple.c: Fix comment.
11762         * graphite-scop-detection.c (defined_in_loop_p): New.
11763         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
11764         names defined in loop.
11765
11766 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11767             Sebastian Pop  <s.pop@samsung.com>
11768
11769         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11770         Discard unstructured if-then-else regions.
11771
11772 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11773             Sebastian Pop  <s.pop@samsung.com>
11774
11775         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
11776         (cleanup_loop_iter_dom): Remove.
11777         (build_loop_iteration_domains): Remove.
11778         (build_scop_context): Remove.
11779         (build_scop_iteration_domain): Remove.
11780         (add_loop_constraints): New.
11781         (build_iteration_domains): New.
11782         (build_poly_scop): Call build_iteration_domains.
11783
11784 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11785             Sebastian Pop  <s.pop@samsung.com>
11786
11787         * graphite-scop-detection.c
11788         (scop_detection::harmful_loop_in_region): Free dom and loops.
11789         (scop_detection::loop_body_is_valid_scop): Free bbs.
11790
11791 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11792             Sebastian Pop  <s.pop@samsung.com>
11793
11794         * graphite-scop-detection.c (record_loop_in_sese): New.
11795         (gather_bbs::before_dom_children): Call record_loop_in_sese.
11796         (build_scops): Remove call to build_sese_loop_nests.
11797         * sese.c (sese_record_loop): Remove.
11798         (build_sese_loop_nests): Remove.
11799         (new_sese_info): Remove region->loops.
11800         (free_sese_info): Same.
11801         * sese.h (sese_contains_loop): Same.
11802         (build_sese_loop_nests): Remove.
11803         (sese_contains_loop): Remove.
11804
11805 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11806             Sebastian Pop  <s.pop@samsung.com>
11807
11808         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
11809         loop_is_valid_in_scop.
11810         (scop_detection::harmful_stmt_in_region): Renamed
11811         harmful_loop_in_region.
11812         Call loop_is_valid_in_scop.
11813
11814 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11815             Sebastian Pop  <s.pop@samsung.com>
11816
11817         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
11818         isl_ast_node_mark.
11819
11820 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11821             Sebastian Pop  <s.pop@samsung.com>
11822
11823         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
11824         * graphite.h (struct poly_bb): Remove field is_reduction.
11825         (PBB_IS_REDUCTION): Remove.
11826
11827 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11828             Sebastian Pop  <s.pop@samsung.com>
11829
11830         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
11831         (add_pdr_constraints): Same.
11832         (scop_get_reads): Same.
11833         (scop_get_must_writes): Same.
11834         (scop_get_may_writes): Same.
11835         (scop_get_original_schedule): Same.
11836         (extend_schedule): Same.
11837         (apply_schedule_on_deps): Same.
11838         (carries_deps): Same.
11839         (compute_deps): Same.
11840         (scop_get_dependences): Same.
11841         * graphite-isl-ast-to-gimple.c
11842         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
11843         * graphite-optimize-isl.c (get_schedule_for_band): Same.
11844         (get_schedule_for_band_list): Same.
11845         (get_schedule_map): Same.
11846         (apply_schedule_map_to_scop): Same.
11847         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
11848         (build_loop_iteration_domains): Same.
11849         (add_condition_to_pbb): Same.
11850         (add_param_constraints): Same.
11851         (pdr_add_memory_accesses): Same.
11852         (pdr_add_data_dimensions): Same.
11853
11854 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11855
11856         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
11857         requirements.
11858
11859 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11860
11861         * common.opt (feliminate-dwarf2-dups): Replace references to
11862         "DWARF 2" with just "DWARF".
11863         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
11864         * doc/extend.texi: Likewise.
11865         * doc/cpp.texi: Likewise.
11866         * doc/invoke.texi: Likewise.
11867         (Option Summary): Add -gdwarf to list of Debugging Options.
11868         (Debugging Options): Document -gdwarf.
11869         * doc/contrib.texi: Spell "DWARF" like that.
11870
11871 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11872
11873         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
11874         warning.  Fix up formatting.
11875
11876         PR middle-end/67653
11877         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
11878         attempt to mark memory input operand addressable and
11879         call prepare_gimple_addressable in that case.  Don't adjust
11880         input_location for diagnostics, use error_at instead.
11881
11882 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
11883
11884         * config/rs6000/ppc-auxv.h: New file.
11885         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
11886         (cpu_is): Likewise.
11887         (cpu_supports): Likewise.
11888         * config/rs6000/rs6000.c: include "ppc-auxv.h".
11889         (cpu_is_info): New variable.
11890         (cpu_supports_info): Likewise.
11891         (tcb_verification_symbol): Likewise.
11892         (cpu_builtin_p): Likewise.
11893         (cpu_expand_builtin): New function.
11894         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
11895         (rs6000_init_builtins): Likewise.
11896         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
11897         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
11898         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
11899         * configure: Regenerate.
11900         * config.in: Likewise.
11901         * doc/extend.texi (PowerPC Built-in Functions): Document
11902         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
11903
11904 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
11905
11906         PR target/68609
11907         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
11908         domain check.
11909         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
11910         for V4SFmode.
11911
11912 2016-01-20  Richard Henderson  <rth@redhat.com>
11913
11914         PR bootstrap/69343
11915         PR bootstrap/69339
11916         PR tree-opt/68964
11917         Revert:
11918         * tree.c (tm_define_builtin): New.
11919         (find_tm_vector_type): New.
11920         (build_tm_vector_builtins): New.
11921         (build_common_builtin_nodes): Call it.
11922
11923 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
11924
11925         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
11926         (arm_fp_ok): Likewise.
11927         (arm_fp): Likewise.
11928         (arm_crypto): Likewise.
11929
11930 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
11931             Richard Biener  <rguenther@suse.de>
11932
11933         PR tree-optimization/69328
11934         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
11935         vectors have same number of elements.
11936         (vectorizable_condition): Fix masked version recognition.
11937
11938 2016-01-20  Richard Biener  <rguenther@suse.de>
11939
11940         PR tree-optimization/69345
11941         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
11942         (VN_INFO_PTR_INFO): Likewise.
11943         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
11944         info when it is equal between non-dominating SSA names.
11945         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11946         Make sure to look at original SSA infos.
11947
11948 2016-01-20  Jeff Law  <law@redhat.com>
11949
11950         PR target/25114
11951         * config/m68k/predicates.md (pow2_m1_operand): New predicate
11952         extracted from ...
11953         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
11954         (pc_or_label_operand): New predicate.
11955         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
11956         tests for small integers that are 2^n - 1.
11957
11958 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
11959
11960         * doc/invoke.texi (Options Summary): Add '.' after @xref.
11961
11962 2016-01-19  Jeff Law  <law@redhat.com>
11963
11964         PR middle-end/69347
11965         * tree-ssa-threadbackwards.c
11966         (fsm_find_control_statement_thread_paths): Do not try to lookup
11967         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
11968
11969 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
11970
11971         * doc/lto.texi: Remove text that says only Gold has linker plugin
11972         support.
11973
11974 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
11975
11976         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
11977         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
11978         the DIE accordingly.
11979         (modified_type_die): Add REVERSE parameter and pass it recursively,
11980         as well as to base_type_die.  Adjust presence check accordingly.
11981         (base_type_for_mode): Adjust call to modified_type_die.
11982         (add_type_attribute): Add REVERSE parameter and pass it to
11983         modified_type_die.
11984         (generic_parameter_die): Adjust call to add_type_attribute.
11985         (add_scalar_info): Likewise.
11986         (add_subscript_info): Likewise.
11987         (gen_array_type_die): Likewise.
11988         (gen_descr_array_type_die): Likewise.
11989         (gen_entry_point_die): Likewise.
11990         (gen_enumeration_type_die): Likewise.
11991         (gen_formal_parameter_die): Likewise.
11992         (gen_subprogram_die): Likewise.
11993         (gen_variable_die ): Likewise.
11994         (gen_const_die): Likewise.
11995         (gen_field_die): Likewise.
11996         (gen_pointer_type_die): Likewise.
11997         (gen_reference_type_die): Likewise.
11998         (gen_ptr_to_mbr_type_die): Likewise.
11999         (gen_inheritance_die): Likewise.
12000         (gen_subroutine_type_die): Likewise.
12001         (gen_typedef_die): Likewise.
12002         (force_type_die): Adjust call to modified_type_die.
12003
12004 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12005
12006         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
12007         flow throughout the file.  Fix broken link to Objective-C 2.0
12008         documentation.
12009         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
12010         errors.
12011
12012 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12013
12014         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
12015
12016 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12017
12018         PR ipa/66223
12019         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
12020         (maybe_record_node): Record cxa_pure_virtual as the only possible
12021         target if there are not ohter candidates.
12022         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
12023
12024 2016-01-19  Richard Biener  <rguenther@suse.de>
12025
12026         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
12027         (get_memory_order): Likewise.
12028
12029 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
12030
12031         * tree-vect-stmts.c (vectorizable_store): Check
12032         rhs vectype.
12033
12034 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
12035
12036         PR jit/68446
12037         * gcc.c (driver::decode_argv): Add call to
12038         init_opts_obstack before init_options_struct.
12039         * opts.c (init_opts_obstack): Remove idempotency.
12040         (init_options_struct): Replace call to init_opts_obstack
12041         with a gcc_assert to verify that it has already been called.
12042         * toplev.c (toplev::main): Add call to init_opts_obstack before
12043         calls to init_options_struct.
12044         (toplev::finalize): Move cleanup of opts_obstack next to
12045         cleanup of save_decoded_options, clearing the latter, and
12046         save_decoded_options_count.
12047
12048 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12049
12050         PR target/69135
12051         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
12052         attribute to unconditional.  Remove %? from output template.
12053
12054 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12055             Jiong Wang  <jiong.wang@arm.com>
12056
12057         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
12058         generated from different expand order.
12059
12060 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12061
12062         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
12063         Add support for CCMP costing.
12064
12065 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12066
12067         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
12068         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
12069         (fccmpe<mode>): Likewise.
12070         (fcmp): Rename to fcmp and globalize pattern.
12071         (fcmpe): Likewise.
12072         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
12073         (aarch64_gen_ccmp_next): Add FP support.
12074
12075 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12076
12077         * target.def (gen_ccmp_first): Update documentation.
12078         (gen_ccmp_next): Likewise.
12079         * doc/tm.texi (gen_ccmp_first): Update documentation.
12080         (gen_ccmp_next): Likewise.
12081         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
12082         expand_ccmp_expr_1.  Improve comments.
12083         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
12084         (ccmp_ior<mode>): Remove pattern.
12085         (cmp<mode>): Remove expand.
12086         (cmp): Globalize pattern.
12087         (cstorecc4): Use cc_register.
12088         (mov<mode>cc): Remove ccmp_cc_register check.
12089         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
12090         Simplify after removal of CC_DNE/* modes.
12091         (aarch64_ccmp_mode_to_code): Remove.
12092         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
12093         In 'k' case use integer as condition.
12094         (aarch64_nzcv_codes): Remove inverted cases.
12095         (aarch64_code_to_ccmode): Remove.
12096         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
12097         comparison with CC register to be used in folowing CCMP/branch/CSEL.
12098         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
12099         pattern.  Return the comparison with CC register.  Invert conditions
12100         when bitcode is OR.
12101         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
12102         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
12103
12104 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12105
12106         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12107         instrumented_version.
12108
12109 2016-01-19  Richard Biener  <rguenther@suse.de>
12110
12111         PR tree-optimization/69336
12112         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
12113         handled components with get_ref_base_and_extent.
12114         (equal_mem_array_ref_p): Adjust.
12115
12116 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12117
12118         PR debug/65779
12119         * shrink-wrap.c: Include valtrack.h.
12120         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
12121         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
12122         in between insn and where it will be moved to.  Call
12123         dead_debug_insert_temp.
12124         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
12125         first and dead_debug_local_finish at the end.
12126         For uses and defs bitmap, handle all regs in between REGNO and
12127         END_REGNO, not just the first one.
12128
12129 2016-01-19  Richard Biener  <rguenther@suse.de>
12130
12131         PR tree-optimization/69352
12132         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
12133         (equal_mem_array_ref_p): Constrain size and max size properly.
12134         Compare the reverse flag.
12135
12136 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
12137
12138         * ira.c (ira): Update regstat data if we deleted insns.
12139
12140 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12141
12142         PR rtl-optimization/68955
12143         PR rtl-optimization/64557
12144         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
12145         here.  Fix up formatting.
12146         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
12147
12148 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12149
12150         PR lto/69133
12151         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
12152         assume that the node has body.
12153         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
12154         check.
12155
12156 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12157
12158         * lto-streamer-out.c (lto_output): Do not stream instrumentation
12159         thunks.
12160
12161 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12162
12163         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
12164         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
12165
12166 2016-01-19  Martin Jambor  <mjambor@suse.cz>
12167             Martin Liska  <mliska@suse.cz>
12168             Michael Matz  <matz@suse.de>
12169
12170         * Makefile.in (OBJS): Add new source files.
12171         (GTFILES): Add hsa.c.
12172         * common.opt (disable_hsa): New variable.
12173         (-Whsa): New warning.
12174         * config.in (ENABLE_HSA): New.
12175         * configure.ac: Treat hsa differently from other accelerators.
12176         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
12177         $enable_offloading.
12178         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
12179         * doc/install.texi (Configuration): Document --with-hsa-runtime,
12180         --with-hsa-runtime-include, --with-hsa-runtime-lib and
12181         --with-hsa-kmt-lib.
12182         * doc/invoke.texi (-Whsa): Document.
12183         (hsa-gen-debug-stores): Likewise.
12184         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
12185         to invoke offload compiler for hsa acclerator.
12186         * opts.c (common_handle_option): Determine whether HSA offloading
12187         should be performed.
12188         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
12189         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
12190         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
12191         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
12192         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
12193         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
12194         GF_OMP_FOR_KIND_GRID_LOOP.
12195         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
12196         (pp_gimple_stmt_1): Likewise.
12197         * gimple-walk.c (walk_gimple_stmt): Likewise.
12198         * gimple.c (gimple_build_omp_grid_body): New function.
12199         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
12200         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
12201         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
12202         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
12203         GF_OMP_TEAMS_GRID_PHONY.
12204         (gimple_statement_omp_single_layout): Updated comments.
12205         (gimple_build_omp_grid_body): New function.
12206         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
12207         (gimple_omp_for_grid_phony): New function.
12208         (gimple_omp_for_set_grid_phony): Likewise.
12209         (gimple_omp_parallel_grid_phony): Likewise.
12210         (gimple_omp_parallel_set_grid_phony): Likewise.
12211         (gimple_omp_teams_grid_phony): Likewise.
12212         (gimple_omp_teams_set_grid_phony): Likewise.
12213         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
12214         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
12215         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
12216         (BUILT_IN_GOMP_TARGET): Updated type.
12217         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
12218         (adjust_for_condition): New function.
12219         (get_omp_for_step_from_incr): Likewise.
12220         (extract_omp_for_data): Moved parts to adjust_for_condition and
12221         get_omp_for_step_from_incr.
12222         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
12223         (fixup_child_record_type): Bail out if receiver_decl is NULL.
12224         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
12225         (scan_omp_parallel): Do not create child functions for phony
12226         constructs.
12227         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
12228         (scan_omp_1_op): Checking assert we are not remapping to
12229         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
12230         (parallel_needs_hsa_kernel_p): New function.
12231         (expand_parallel_call): Register apprpriate parallel child
12232         functions as HSA kernels.
12233         (grid_launch_attributes_trees): New type.
12234         (grid_attr_trees): New variable.
12235         (grid_create_kernel_launch_attr_types): New function.
12236         (grid_insert_store_range_dim): Likewise.
12237         (grid_get_kernel_launch_attributes): Likewise.
12238         (get_target_argument_identifier_1): Likewise.
12239         (get_target_argument_identifier): Likewise.
12240         (get_target_argument_value): Likewise.
12241         (push_target_argument_according_to_value): Likewise.
12242         (get_target_arguments): Likewise.
12243         (expand_omp_target): Call get_target_arguments instead of looking
12244         up for teams and thread limit.
12245         (grid_expand_omp_for_loop): New function.
12246         (grid_arg_decl_map): New type.
12247         (grid_remap_kernel_arg_accesses): New function.
12248         (grid_expand_target_kernel_body): New function.
12249         (expand_omp): Call it.
12250         (lower_omp_for): Do not emit phony constructs.
12251         (lower_omp_taskreg): Do not emit phony constructs but create for them
12252         a temporary variable receiver_decl.
12253         (lower_omp_taskreg): Do not emit phony constructs.
12254         (lower_omp_teams): Likewise.
12255         (lower_omp_grid_body): New function.
12256         (lower_omp_1): Call it.
12257         (grid_reg_assignment_to_local_var_p): New function.
12258         (grid_seq_only_contains_local_assignments): Likewise.
12259         (grid_find_single_omp_among_assignments_1): Likewise.
12260         (grid_find_single_omp_among_assignments): Likewise.
12261         (grid_find_ungridifiable_statement): Likewise.
12262         (grid_target_follows_gridifiable_pattern): Likewise.
12263         (grid_remap_prebody_decls): Likewise.
12264         (grid_copy_leading_local_assignments): Likewise.
12265         (grid_process_kernel_body_copy): Likewise.
12266         (grid_attempt_target_gridification): Likewise.
12267         (grid_gridify_all_targets_stmt): Likewise.
12268         (grid_gridify_all_targets): Likewise.
12269         (execute_lower_omp): Call grid_gridify_all_targets.
12270         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
12271         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
12272         (tree_omp_clause): Added union field dimension.
12273         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
12274         * tree.c (omp_clause_num_ops): Added number of arguments of
12275         OMP_CLAUSE__GRIDDIM_.
12276         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
12277         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
12278         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
12279         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
12280         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
12281         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
12282         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
12283         * tree-pass.h (make_pass_gen_hsail): Declare.
12284         (make_pass_ipa_hsa): Likewise.
12285         * ipa-hsa.c: New file.
12286         * lto-section-in.c (lto_section_name): Add hsa section name.
12287         * lto-streamer.h (lto_section_type): Add hsa section.
12288         * timevar.def (TV_IPA_HSA): New.
12289         * hsa-brig-format.h: New file.
12290         * hsa-brig.c: New file.
12291         * hsa-dump.c: Likewise.
12292         * hsa-gen.c: Likewise.
12293         * hsa.c: Likewise.
12294         * hsa.h: Likewise.
12295         * toplev.c (compile_file): Call hsa_output_brig.
12296         * hsa-regalloc.c: New file.
12297
12298 2016-01-18  Jeff Law  <law@redhat.com>
12299
12300         PR tree-optimization/69320
12301         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
12302         ranged object, do nothing if the RHS constant is not [0..1].
12303         (optimize_stmt): Comparing a boolean ranged object against a
12304         constant outside [0..1] results in a compile-time constant.
12305
12306         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
12307         test.
12308
12309 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
12310
12311         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12312         (Option Summary): Update to reflect new section and moved options.
12313         (C++ Dialect Options): Move -fstats to new section.
12314         (Debugging Options): Move all dump, statistics, and other GCC
12315         developer options to new section.  Rewrite section introduction
12316         and re-order remaining options to put the more basic ones first.
12317         (Optimization Options): Move -fira-verbose and -flto-report* to
12318         new section.
12319         (Developer Options): New section incorporating moved options.
12320         * doc/cppopts.texi (-dM): Update cross-reference.
12321
12322 2016-01-18  Richard Henderson  <rth@redhat.com>
12323
12324         PR target/69176
12325         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
12326         operands to pseudo only if CSE is expected.  Split long immediate
12327         operands only after reload, and for the stack pointer.
12328         (*add<GPI>3_pluslong): Remove.
12329         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
12330         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
12331         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
12332         (*add<GPI>3 peepholes): New.
12333         (*add<GPI>3 splitters): New.
12334         * config/aarch64/constraints.md (Upl): New.
12335         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
12336
12337 2016-01-18  Richard Biener  <rguenther@suse.de>
12338
12339         PR tree-optimization/69297
12340         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
12341         stmt at most once.
12342         (vect_bb_vectorization_profitable_p): Clear visited flag again.
12343
12344 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
12345
12346         PR middle-end/68542
12347         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
12348         of mixind vector and scalar types.
12349         (fold_relational_const): Add handling of vector
12350         comparison with boolean result.
12351         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
12352         comparison of vector operands with boolean result for EQ/NE only.
12353         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
12354         (verify_gimple_cond): Likewise.
12355         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
12356         valid type of VAL.
12357
12358 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
12359
12360         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
12361         !TARGET_OCTEON.
12362
12363 2016-01-18  Richard Biener  <rguenther@suse.de>
12364
12365         PR middle-end/69308
12366         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
12367
12368 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12369
12370         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
12371
12372 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12373
12374         * omp-low.c (set_oacc_fn_attrib): Make extern.
12375         * omp-low.h (set_oacc_fn_attrib): Declare.
12376         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
12377         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
12378         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
12379         Add and handle function parameter oacc_kernels_p.
12380         (find_reduc_addr, get_omp_data_i_param): New function.
12381         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
12382         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
12383         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
12384         Calculate dominance info.  Skip loops that are not in a kernels region
12385         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
12386         (pass_parallelize_loops::execute): Call parallelize_loops with
12387         oacc_kernels_p argument.
12388         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
12389         New member function.
12390         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
12391         * passes.def: Add argument to pass_parallelize_loops instantation.
12392
12393 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12394
12395         * tree-parloops.c (pass_parallelize_loops::execute): Allow
12396         pass_parallelize_loops to be run outside the loop pipeline.
12397
12398 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12399
12400         * tree-scalar-evolution.c (follow_copies_to_constant): New.
12401         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
12402
12403 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12404
12405         PR target/63679
12406         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
12407         using get_ref_base_and_extent.
12408         (equal_mem_array_ref_p): New.
12409         (hashable_expr_equal_p): Add call to previous.
12410
12411 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12412
12413         PR target/63679
12414         * tree-sra.c (disqualified_constants, constant_decl_p): New.
12415         (sra_initialize): Allocate disqualified_constants.
12416         (sra_deinitialize): Free disqualified_constants.
12417         (disqualify_candidate): Update disqualified_constants when appropriate.
12418         (create_access): Scan for constant-pool entries as we go along.
12419         (scalarizable_type_p): Add check against type_contains_placeholder_p.
12420         (maybe_add_sra_candidate): Allow constant-pool entries.
12421         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
12422         (initialize_constant_pool_replacements): New.
12423         (sra_modify_assign): Avoid mangling assignments created by previous,
12424         and don't generate writes into constant pool.
12425         (sra_modify_function_body): Call initialize_constant_pool_replacements.
12426
12427 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12428
12429         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
12430         andnot instruction.
12431         (scalar_chain::convert_op): Likewise.
12432         * config/i386/i386.md (*andndi3_doubleword): New.
12433
12434 2016-01-18  Richard Biener  <rguenther@suse.de>
12435
12436         PR tree-optimization/69170
12437         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
12438         building a vector from scalar results of a pattern stmt.
12439
12440 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
12441
12442         * haifa-sched.c (autopref_multipass_init): Work around
12443         -Wmaybe-uninitialized warning.
12444
12445 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12446
12447         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
12448         against the constant 0.
12449
12450 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12451
12452         PR tree-optimization/68799
12453         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
12454         look up phi candidates in the statement-candidate map.
12455         (phi_add_costs): Likewise.
12456         (record_phi_increments): Likewise.
12457         (phi_incr_cost): Likewise.
12458         (ncd_with_phi): Likewise.
12459         (all_phi_incrs_profitable): Likewise.
12460
12461 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
12462
12463         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
12464         -Wmaybe-uninitialized warning.
12465
12466 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
12467
12468         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12469         (Option Summary): Update to reflect new section and moved options.
12470         (C++ Dialect Options): Move -fvtable-verify and related options.
12471         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
12472         and profiling-related options.
12473         (Optimization Options): Move profile generation options and
12474         -fstack-protector and related options.
12475         (Instrumentation Options): New section incorporating moved options.
12476         (Code Generation Options): Move -finstrument-functions and
12477         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
12478
12479 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12480
12481         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
12482
12483 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12484
12485         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
12486
12487 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
12488
12489         * hash-table.h (hash_table::empty): Turn into an inline wrapper
12490         that checks whether the table is already empty.  Rename the
12491         original implementation to...
12492         (hash_table::empty_slot): ...this new private function.
12493
12494 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
12495
12496         PR diagnostic/68899
12497         * diagnostic-show-locus.c (layout::print_source_line): Move x
12498         offset of line until after call to
12499         get_line_width_without_trailing_whitespace.
12500
12501 2016-01-15  Jeff Law  <law@redhat.com>
12502
12503         PR tree-optimization/69270
12504         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
12505         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
12506         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
12507         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
12508         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
12509         ssa_name_has_boolean_range and constant_boolean_node.
12510
12511 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
12512
12513         PR rtl-optimization/69030
12514         * lra-spills.c (remove_pseudos): Check nrefs and make the function
12515         returning bool.
12516         (spill_pseudos): Delete debug insn for dead pseudo.
12517         (lra_spill): Initiate spill_hard_reg and slots memory separately.
12518
12519 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
12520
12521         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
12522         New.
12523         (TYPES_UNOPUS): Likewise.
12524         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
12525         builtin type, from UNOP to UNOPUS.
12526         (lbtruncuv4sf): Likewise.
12527         (lbtruncuv2df): Likewise.
12528         (lrounduv2sf): Likewise.
12529         (lrounduv4sf): Likewise.
12530         (lrounduv2df): Likewise.
12531         (lroundusf): Likewise.
12532         (lroundusf): Likewise.
12533         (lceiluv2sf): Likewise.
12534         (lceiluv4sf): Likewise.
12535         (lceiluv2df): Likewise.
12536         (lceilusf): Likewise.
12537         (lceiludf): Likewise.
12538         (lflooruv2sf): Likewise.
12539         (lflooruv4sf): Likewise.
12540         (lflooruv2df): Likewise.
12541         (lfloorusf): Likewise.
12542         (lfloorudf): Likewise.
12543         (lfrintnuv2sf): Likewise.
12544         (lfrintnuv4sf): Likewise.
12545         (lfrintnuv2df): Likewise.
12546         (lfrintnusf): Likewise.
12547         (lfrintnudf): Likewise.
12548         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
12549         conversion.
12550         (vcvtq_u32_f32): Likewise.
12551         (vcvtq_u64_f64): Likewise.
12552         (vcvta_u32_f32): Likewise.
12553         (vcvtaq_u32_f32): Likewise.
12554         (vcvtaq_u64_f64): Likewise.
12555         (vcvtm_u32_f32): Likewise.
12556         (vcvtmq_u32_f32): Likewise.
12557         (vcvtmq_u64_f64): Likewise.
12558         (vcvtn_u32_f32): Likwise.
12559         (vcvtnq_u32_f32): Likewise.
12560         (vcvtnq_u64_f64): Likewise.
12561         (vcvtp_u32_f32): Likewise.
12562         (vcvtpq_u32_f32): Likewise.
12563         (vcvtpq_u64_f64): Likewise.
12564         (vcvtmd_u64_f64): Likewise.
12565         (vcvtms_u32_f32): Likewise.
12566         (vcvtad_u64_f64): Likewise.
12567         (vcvtas_u32_f32): Likewise.
12568         (vcvtnd_u64_f64): Likewise.
12569         (vcvtns_u32_f32): Likewise.
12570         (vcvtpd_u64_f64): Likewise.
12571         (vcvtps_u32_f32): Likewise.
12572
12573 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12574
12575         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
12576         CSEL of zero_extended registers.
12577
12578 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12579
12580         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
12581         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
12582
12583 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12584
12585         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
12586         false when argument string is not found in the attributes table
12587         at all.
12588
12589 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
12590
12591         PR target/68609
12592         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
12593         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
12594         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
12595         precision estimate.
12596
12597 2016-01-15  Richard Biener  <rguenther@suse.de>
12598
12599         PR tree-optimization/66856
12600         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
12601         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
12602         (vect_create_new_slp_node): Increment stmt reference count.
12603         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
12604         an SLP tree before swapping operands.
12605         (vect_build_slp_tree): Likewise.
12606         (destroy_bb_vec_info): Free stmt info after SLP instances.
12607         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
12608         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
12609         (STMT_VINFO_NUM_SLP_USES): New macro.
12610
12611 2016-01-15  Richard Biener  <rguenther@suse.de>
12612
12613         PR debug/69137
12614         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
12615         (add_linkage_name): ... here.
12616         (gen_typedef_die): Use add_linkage_name_raw instead of
12617         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
12618         if necessary.
12619
12620 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
12621
12622         * gimplify.c (oacc_default_clause): Decode reference and pointer
12623         types for both kernels and parallel regions.
12624
12625 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12626
12627         PR middle-end/69246
12628         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
12629
12630 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12631
12632         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
12633         (convert_scalars_to_vector): Likewise.
12634
12635 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
12636
12637         * doc/extend.texi (Type Traits): Fix grammar.
12638
12639 2016-01-15  Martin Jambor  <mjambor@suse.cz>
12640
12641         * tree-inline.c (remap_decl): Use existing dclarations if
12642         remapping a type and prevent_decl_creation_for_types.
12643         (replace_locals_stmt): Do an initial remapping of non-VLA typed
12644         decls first.  Do real remapping with
12645         prevent_decl_creation_for_types set.
12646         * tree-inline.h (copy_body_data): New field
12647         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
12648         padding.
12649
12650 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12651
12652         * config/s390/s390.opt (mmvcle): More verbose help text.
12653
12654 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12655
12656         * config/s390/s390.opt: Add period to -mzvector option text.
12657
12658 2016-01-15  Richard Biener  <rguenther@suse.de>
12659
12660         PR tree-optimization/68961
12661         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
12662         of invariants in stores again.
12663
12664 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
12665
12666         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
12667
12668 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12669
12670         * config/i386/i386.c (ix86_expand_branch): Don't split
12671         DI mode xor instruction to SI mode.
12672
12673 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12674
12675         PR ipa/68148
12676         * ipa-icf.c (sem_function::merge): Virtual functions may become
12677         reachable even if they address is not taken and there are no
12678         idrect calls.
12679
12680 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12681
12682         * lto-streamer-out.c (subtract_estimated_size): New function.
12683         (get_symbol_initial_value): Use it.
12684
12685 2016-01-15  Christian Bruel  <christian.bruel@st.com>
12686
12687         PR target/65837
12688         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
12689         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
12690         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
12691         use add_builtin_function_ext_scope instead of add_builtin_function.
12692         (neon_set_p, neon_crypto_set_p): Remove.
12693         (arm_init_builtins): Always call arm_init_neon_builtins and
12694         arm_init_crypto_builtins.
12695         (arm_expand_builtin): Check that builtins are allowed for the arch.
12696         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
12697         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
12698         arm_init_neon_builtins call.
12699
12700 2016-01-15  Richard Biener  <rguenther@suse.de>
12701
12702         PR tree-optimization/69117
12703         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
12704         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
12705         of the leader conservatively.
12706         (free_scc_vn): Restore original SSA name infos.
12707
12708 2016-01-14  Jeff Law  <law@redhat.com>
12709
12710         PR tree-optimization/69270
12711         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
12712         single bit of precision, verify it's also unsigned.
12713         (record_edge_info): Use constant_boolean_node rather than fold_convert
12714         to convert boolean_true/boolean_false to the right type.
12715
12716 2016-01-14  Richard Henderson  <rth@redhat.com>
12717
12718         PR rtl-opt/69014
12719         * loop-doloop.c (record_reg_sets): New.
12720         (doloop_optimize): Reject the transform if the sequence
12721         clobbers registers live at the end of the loop block.
12722         (doloop_optimize_loops): Enable df_live if needed.
12723
12724 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
12725
12726         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
12727         * config/rs6000/rs6000.c: Likewise.
12728         * config/rs6000/rs6000.h: Likewise.
12729         * config/rs6000/rs6000.md: Likewise.
12730         * doc/extend.texi: Likewsie.
12731
12732 2016-01-14  Jeff Law  <law@redhat.com>
12733
12734         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
12735         typo.
12736
12737 2016-01-14  Richard Henderson  <rth@redhat.com>
12738
12739         PR c/69272
12740         PR tree-opt/68964
12741         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
12742         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
12743         instead of builtin_decl_declared_p to test for declaration.
12744
12745 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
12746
12747         * doc/loop.texi (Loop Analysis and Representation): Document
12748         loop_depth function.
12749
12750 2016-01-14  Tom de Vries  <tom@codesourcery.com>
12751
12752         PR tree-optimization/68773
12753         * omp-low.c (expand_omp_target): Don't set force_output.
12754         * varpool.c (varpool_node::get_create): Same.
12755         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
12756         offload_funcs with force_output.
12757
12758 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12759
12760         PR debug/69244
12761         * lra-eliminations.c (move_plus_up): Don't change anything if either
12762         the outer or inner subreg mode is not MODE_INT.
12763         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
12764         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
12765
12766 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12767
12768         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
12769         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
12770         reduc_uplus_@var{m}): Remove.
12771         * expr.c (expand_expr_real_2): Remove expansion path for
12772         reduc_[us](min|max|plus) optabs.
12773         * optabs-tree.c (scalar_reduc_to_vector): Remove.
12774         * optabs-tree.h (scalar_reduc_to_vector): Remove.
12775         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
12776         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
12777         * tree-vect-loop.c (vectorizable_reduction): Remove test for
12778         reduc_[us](min|max|plus) optabs.
12779
12780 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12781
12782         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
12783         (reduc_plus_scal_v2sf): New.
12784         (reduc_smax_v2sf): Rename to...
12785         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
12786         (reduc_smin_v2sf): Rename to...
12787         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
12788
12789 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
12790
12791         * alias.c (compare_base_symbol_refs): New function.
12792         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
12793         it.
12794
12795 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12796
12797         PR middle-end/68146
12798         PR tree-optimization/69155
12799         * tree-complex.c: Include cfganal.h.
12800         (phis_to_revisit): New variable.
12801         (extract_component): Add phiarg_p argument.  Assert that returned
12802         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
12803         (update_phi_components): Partly rewrite to use loop over real/imag
12804         components instead of code duplication.  If extract_component returns
12805         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12806         create_tmp_reg into the PHI node instead, and mention the phi triplet
12807         in phis_to_revisit.
12808         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
12809         in phis_to_revisit at the end.
12810
12811 2016-01-14  Richard Biener  <rguenther@suse.de>
12812
12813         PR tree-optimization/68060
12814         * tree-vect-loop.c (vect_is_simple_reduction): Check the
12815         outer loop reduction is only used in the inner loop before
12816         detecting a double reduction.
12817
12818 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12819
12820         PR target/68269
12821         * combine.c (expand_field_assignment): Punt if compute_mode is
12822         unsupported scalar mode.
12823
12824 2016-01-14  Richard Biener  <rguenther@suse.de>
12825
12826         PR tree-optimization/66856
12827         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
12828         SLP node only if it built successfully.
12829         (vect_analyze_slp_instance): Adjust.
12830
12831 2016-01-14  Jeff Law  <law@redhat.com>
12832
12833         PR tree-optimization/69270
12834         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
12835         (record_edge_info): Use it.  Convert boolean_{true,false}_node
12836         to the type of op0.
12837
12838 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
12839
12840         PR ipa/66487
12841         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
12842         use block_ultimate_origin
12843         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
12844
12845 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12846
12847         * doc/invoke.texi (Submodel Options): Rename section to
12848         "Machine-Dependent Options" to better reflect its content.
12849         Rewrite introductory text to remove archaic CPU names.
12850         Update references.
12851
12852 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12853
12854         * doc/invoke.texi (Code Gen Options): Move section up in file,
12855         before target-specific options.  Update menu and option summary
12856         to reflect the new section ordering.
12857
12858 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12859
12860         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
12861         (C++ Dialect Options): Add cross-reference to -std option.
12862         * doc/standards.texi (C++ Language): Document C++14 support.
12863
12864 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
12865
12866         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
12867         for pack/unpack functions for __ibm128.
12868         (PACK_IF): Likewise.
12869         (UNPACK_IF): Likewise.
12870
12871         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
12872         support for __ibm128 pack/unpack functions.
12873         (rs6000_invalid_builtin): Likewise.
12874         (rs6000_init_builtins): Likewise.
12875         (rs6000_opt_masks): Likewise.
12876
12877         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
12878         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
12879         functions
12880         (RS6000_BTM_COMMON): Likewise.
12881
12882         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
12883         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
12884         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
12885         128-bit floating point.  Add support for the double values to be
12886         in Altivec registers for TF/IF packing and unpacking, but restrict
12887         TD packing sub-fields to be FPR registers.  Don't allow overlapped
12888         register support for packing.  Allow pack inputs to be memory
12889         locations.  Don't build generator functions for unpack<mode>_dm
12890         and unpack<mode>_nodm.
12891         (unpack<mode>_dm): Likewise.
12892         (unpack<mode>_nodm): Likewise.
12893         (pack<mode>): Likewise.
12894
12895         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
12896         built-in functions to pack/unpack explicit __ibm128 values.
12897         (__builtin_unpack_ibm128): Likewise.
12898
12899         * doc/extend.texi (PowerPC Built-in Functions): Document
12900         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
12901
12902 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
12903
12904         PR c/66208
12905         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
12906         Add new arg loc and pass it down as context.
12907         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
12908         to the location to use for the warning.
12909         (check_function_arguments): New arg loc.  All callers changed.  Pass
12910         it to check_function_nonnull.
12911         * c-common.h (check_function_arguments): Adjust declaration.
12912
12913 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
12914
12915         PR tree-optimization/69156
12916         * gimple.c (validate_type): Removed.
12917         (gimple_builtin_call_types_compatible_p): Use
12918         useless_type_conversion_p instead of validate_type.
12919         * value-prof.c (gimple_stringop_fixed_value): Fold
12920         icall_size to correct type.
12921
12922 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12923
12924         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
12925         effects.
12926
12927 2016-01-13  Richard Henderson  <rth@redhat.com>
12928
12929         PR tree-opt/68964
12930         * target.def (builtin_tm_load, builtin_tm_store): Remove.
12931         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
12932         (ix86_builtin_tm_store): Remove.
12933         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12934         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12935         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12936         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12937         * doc/tm.texi: Rebuild.
12938
12939         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
12940         (BUILT_IN_TM_MEMCPY_RTWN): New.
12941         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
12942         fallback from vector to integer helpers.
12943         (build_tm_load): Handle vector types directly, instead of
12944         via target hook.
12945         (build_tm_store): Likewise.
12946         (expand_assign_tm): Prepare for register types not handled by
12947         the above.  Copy them to memory and use memcpy.
12948         * tree.c (tm_define_builtin): New.
12949         (find_tm_vector_type): New.
12950         (build_tm_vector_builtins): New.
12951         (build_common_builtin_nodes): Call it.
12952
12953 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
12954
12955         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
12956         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
12957
12958 2016-01-13  Tom de Vries  <tom@codesourcery.com>
12959
12960         PR tree-optimization/69169
12961         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
12962         handled_struct_type param.
12963         (create_variable_info_for, intra_create_variable_infos): Call
12964         create_variable_info_for_1 with extra arg.
12965
12966 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
12967
12968         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
12969         and "armv8.1-a+crc" entries.
12970
12971 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
12972
12973         PR target/69228
12974         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
12975         Change first operand predicate from register_or_constm1_operand
12976         to register_operand.
12977         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
12978         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
12979         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
12980         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
12981         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
12982         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
12983         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
12984         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
12985         comparison with constm1_rtx from vec_prefetch_gen part.
12986
12987 2016-01-13  Richard Biener  <rguenther@suse.de>
12988
12989         PR tree-optimization/69013
12990         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
12991         Exchange assert for a test.
12992
12993 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12994
12995         PR target/69247
12996         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
12997
12998 2016-01-13  Richard Biener  <rguenther@suse.de>
12999
13000         PR tree-optimization/69242
13001         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
13002         assert with a check.
13003
13004 2016-01-13  Richard Biener  <rguenther@suse.de>
13005
13006         PR tree-optimization/69186
13007         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
13008         Properly guard vect_update_misalignment_for_peel call.
13009
13010 2016-01-12  Jeff Law  <law@redhat.com>
13011
13012         PR tree-optimization/pr67755
13013         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
13014         "need_profile_correction".
13015         (thread_block_1): Initialize new field to false by default.  If we
13016         have multiple thread paths through a common joiner to different
13017         final targets, then set new field to true.
13018         (compute_path_counts): Only do count adjustment when it's really
13019         needed.
13020
13021 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13022
13023         * doc/invoke.texi (Spec Files): Move section down in file, past
13024         all command-line option descriptions.
13025
13026 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13027
13028         PR middle-end/54809
13029         * doc/gty.texi: Remove documentation of mark_hook.
13030         * gengtype.c (struct write_types_data): Remove code to support
13031         mark_hook attribute.
13032         (walk_type): Likewise.
13033         (write_func_for_structure): Likewise.
13034
13035 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13036
13037         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
13038         Directory Options, and -specs= to Overall Options.
13039         (Overall Options): Adjust similarly.  Reorder to group related
13040         options together.  Make -specs= cross-reference the spec file details.
13041         (Directory Options): Adjust similarly.
13042
13043 2016-01-12  Jeff Law  <law@redhat.com>
13044
13045         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
13046
13047 2016-01-12  Olivier Hainque  <hainque@adacore.com>
13048
13049         * gcc.c (spec_undefvar_allowed): New global.
13050         (process_command): Set to true when running for --version or --help,
13051         alone or together.
13052         (getenv_spec_function): When the variable is not defined, use the
13053         variable name as the variable value if we're allowed not to issue
13054         a fatal error.
13055
13056 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
13057
13058         PR tree-optimization/68911
13059         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
13060         information computed for expression "init + nit * step".
13061
13062 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13063
13064         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
13065         about name of GCC executable.  Remove deleted node from menu.
13066         (Directory Options) <-B>: Remove cross-reference to deleted node.
13067         (Target Options): Delete section.
13068
13069 2016-01-12  Christian Bruel  <christian.bruel@st.com>
13070
13071         PR target/69180
13072         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
13073         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
13074
13075 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
13076
13077         PR target/69198
13078         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
13079         aligned_mem is properly set for AVX512-VL floating point masked
13080         stores.
13081
13082         PR target/69175
13083         * ifcvt.c (cond_exec_process_if_block): When removing the last
13084         insn from then_bb, remove also any possible barriers that follow it.
13085
13086 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
13087
13088         PR target/68456
13089         PR target/69226
13090         * config/i386/iamcu.h (SIZE_TYPE): New macro.
13091         (PTRDIFF_TYPE): Likewise.
13092         (WCHAR_TYPE): Likewise.
13093         (WCHAR_TYPE_SIZE): Likewise.
13094         (STDINT_LONG32): Likewise.
13095
13096 2016-01-12  Richard Biener  <rguenther@suse.de>
13097
13098         PR tree-optimization/69053
13099         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
13100         convert initial value for cond reductions.
13101
13102 2016-01-12  Richard Biener  <rguenther@suse.de>
13103
13104         PR tree-optimization/69007
13105         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
13106         widen_sum after dot_prod and sad.
13107
13108 2016-01-12  Richard Biener  <rguenther@suse.de>
13109
13110         PR tree-optimization/69168
13111         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
13112         pattern stmt SLP type.
13113         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
13114         end up unused so cope with that case.
13115
13116 2016-01-12  Richard Biener  <rguenther@suse.de>
13117
13118         PR tree-optimization/69157
13119         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
13120         stmts def type only during analyze phase.
13121         (vectorizable_call): Likewise.
13122         (vectorizable_simd_clone_call): Likewise.
13123         (vectorizable_conversion): Likewise.
13124         (vectorizable_assignment): Likewise.
13125         (vectorizable_shift): Likewise.
13126         (vectorizable_operation): Likewise.
13127         (vectorizable_store): Likewise.
13128         (vectorizable_load): Likewise.
13129
13130 2016-01-12  Richard Biener  <rguenther@suse.de>
13131
13132         PR tree-optimization/69174
13133         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
13134         space.
13135         (vectorizable_load): Properly compute the number of loads needed
13136         for permuted strided SLP loads and do not spuriously assign
13137         to SLP_TREE_VEC_STMTS.
13138
13139 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
13140
13141         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
13142         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
13143         (MD_EXEC_PREFIX): Remove.
13144         (MD_STARTFILE_PREFIX) Removee.
13145         (FILE_NAME_ABSOLUTE_P): Remove.
13146         (CPP_SPEC): Do not read macros from sys/version.h.
13147         (LINK_COMMAND_SPEC): Remove.
13148         (LOCAL_INCLUDE_DIR): Remove.
13149         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
13150         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
13151         (POST_LINK_SPEC): Define to invoke stubify after linker
13152         (LIBSTDCXX): Remove define
13153         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
13154         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
13155         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
13156         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
13157         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
13158         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
13159         (i386_djgpp_asm_named_section): Add propotype of new procedure
13160
13161         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
13162         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
13163         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
13164         in config/i386/djgpp.h).
13165         (STANDARD_STARTFILE_PREFIX_2): Define identical to
13166         STANDARD_STARTFILE_PREFIX_1.
13167         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
13168         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
13169         installation errors.
13170         (MAX_OFILE_ALIGNMENT): Define to 128.
13171         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
13172
13173         * config/i386/djgpp.c: New file. Add implementation of
13174         i386_djgpp_asm_named_section.
13175
13176         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
13177
13178         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
13179         Add rule for building djgpp.o.
13180
13181 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13182
13183         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
13184         (rtx_is_swappable_p): Reductions are swappable.
13185         (insn_is_swappable_p): V2DF reductions are swappable.
13186
13187 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
13188
13189         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
13190         reloads for other unsupported memory operands.
13191
13192 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
13193             Jim Wilson  <jim.wilson@linaro.org>
13194
13195         PR target/69194
13196         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
13197         copy_to_mode_reg instead of force_reg.
13198
13199 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13200
13201         PR target/69225
13202         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
13203         TARGET_80387 is true.
13204
13205 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
13206
13207         PR target/69071
13208         * lra-eliminations.c (move_plus_up): Only move plus up
13209         if subreg of the constant can be simplified into constant
13210         and use the simplified subreg of the constant instead of
13211         the original constant.
13212
13213         * fold-const.c (fold_convertible_p): Don't return true
13214         for conversion of VECTOR_TYPE to same sized integral type.
13215         (fold_convert_loc): Fix up formatting.  Fold conversion of
13216         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
13217         instead of NOP_EXPR.
13218
13219         PR tree-optimization/69214
13220         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
13221         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
13222         Formatting fix.
13223
13224         PR tree-optimization/69207
13225         * tree-vect-slp.c (vect_get_constant_vectors): For
13226         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
13227         fold_convertible_p to vector_type's element type, and always
13228         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
13229
13230 2016-01-11  Richard Biener  <rguenther@suse.de>
13231
13232         PR tree-optimization/69173
13233         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
13234         fixup the cycle if all stmts are in a pattern.
13235
13236 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
13237
13238         PR middle-end/68999
13239         * alias.c (base_alias_check): Move check for addresses with
13240         alignment ANDs before the call for compare_base_decls.
13241         (memrefs_conflict_p): Return -1 for different decls
13242         that went through alignment adjustments.
13243
13244 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13245
13246         PR rtl-optimization/68796
13247         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
13248         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
13249         and QImode comparisons against zero with CC_NZmode.
13250         * config/aarch64/iterators.md (short_mask): New mode_attr.
13251
13252 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13253
13254         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
13255         (<avx512>_store<mode>_mask): Likewise.
13256
13257 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
13258             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13259
13260         PR rtl-optimization/68841
13261         * ifcvt.c (struct noce_if_info): Add orig_x field.
13262         (bbs_ok_for_cmove_arith): Add to_rename parameter.
13263         Don't record conflicts on to_rename if it's present.
13264         Allow memory destinations in sets.
13265         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
13266         blocks, passing orig_x to the checks.
13267         (noce_process_if_block): Set if_info->orig_x appropriately.
13268
13269 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13270
13271         PR tree-optimization/69069
13272         * tree-parloops.c (create_parallel_loop): Add missing phi args.
13273
13274 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
13275
13276         PR rtl-optimization/68920
13277         * config/i386/i386.c (ix86_option_override_internal): Restrict number
13278         of conditional moves for  RTL if-conversion to 1 for
13279         TARGET_ONE_IF_CONV_INSN.
13280         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
13281         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
13282         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
13283         parameter to restirct number of conditional moves for
13284         RTL if-conversion.
13285         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
13286         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
13287         conditionl moves.
13288
13289 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
13290
13291         PR bootstrap/69123
13292         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
13293         onepart vars.  Fix typo in comment.  Fix reversed condition in
13294         unshare test.
13295         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
13296
13297         PR bootstrap/69123
13298         * var-tracking.c (dump_onepart_variable_differences): New.
13299         (dataflow_set_different): If a detailed dump is requested,
13300         delay early returns and dump differences between onepart
13301         variables present before and after, and added variables.
13302
13303 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13304
13305         PR target/69010
13306         * expr.c (expand_expr_real_1): For boolean vector constants
13307         with a scalar mode use const_scalar_mask_from_tree.
13308         (const_scalar_mask_from_tree): New.
13309         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
13310         assigned to a mask type to handle constants.
13311
13312 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13313
13314         PR ipa/69044
13315         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
13316         useless parameters if we cannot change function signature.
13317
13318 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13319
13320         PR ipa/66616
13321         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
13322         flag.
13323
13324 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13325
13326         PR tree-optimization/69109
13327         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
13328         latch with phi.
13329
13330 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13331
13332         PR tree-optimization/69108
13333         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
13334         res is not used in a phi.
13335
13336 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
13337
13338         PR 67425
13339         * common.opt (frandom-seed): Fix parameter name.
13340         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
13341
13342 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13343
13344         PR tree-optimization/69058
13345         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
13346         not supported.
13347
13348 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
13349
13350         * config/arc/arc.opt (mdiv-rem): Add period to the end.
13351         (mcode-density): Likewise.
13352
13353 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13354
13355         PR tree-optimization/69062
13356         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
13357         (parallelize_loops): Don't paralelize loop that has phi with address
13358         arg.
13359
13360 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13361
13362         PR tree-optimization/69039
13363         * tree-parloops.c (try_create_reduction_list): Only allow single exit
13364         phi for reduction.
13365
13366 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
13367
13368         PR middle-end/68743
13369         * match.pd: Require target has function_c99_misc before doing
13370         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
13371
13372 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
13373
13374         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
13375         use GMPINC.
13376         * configure: Regenerate.
13377
13378 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
13379
13380         PR middle-end/50865
13381         PR tree-optimization/69097
13382         * fold-const.h (expr_not_equal_to): New prototype.
13383         * fold-const.c: Include stringpool.h and tree-ssanames.h.
13384         (expr_not_equal_to): New function.
13385         * match.pd (X % -Y is the same as X % Y): Don't optimize
13386         unless X is known not to be equal to minimum or Y is known
13387         not to be equal to -1.
13388         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
13389         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
13390         (simplify_stmt_using_ranges): Adjust caller.
13391         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
13392         substitute_and_fold.
13393
13394 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
13395
13396         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
13397         w/o DECL_NAME.
13398
13399 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13400
13401         PR tree-optimization/69167
13402         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
13403         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
13404         ops[0] comparison.
13405         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
13406
13407 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13408             Richard Biener  <rguenther@suse.de>
13409
13410         PR tree-optimization/68707
13411         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
13412         instances that can be handled via vect_load_lanes.
13413
13414 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
13415
13416         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
13417         if we can't determine address equivalence.
13418         * alias.c (compare_base_decl): Update for changed return value of
13419         symtab_node::equal_address_to.
13420
13421 2016-01-08  Jason Merrill  <jason@redhat.com>
13422
13423         PR c++/68983
13424         PR c++/67557
13425         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
13426         * expr.c (store_field): Not here.
13427         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
13428         call with TREE_ADDRESSABLE type.
13429         * tree-cfg.c (verify_gimple_call): Adjust.
13430
13431 2016-01-08  Olivier Hainque  <hainque@adacore.com>
13432
13433         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
13434         libc_internal.
13435
13436 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13437
13438         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
13439         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
13440         (reduc_smin_v2sf): Rename to...
13441         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
13442         (reduc_splus_v2sf): Rename to...
13443         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
13444
13445 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13446
13447         PR tree-optimization/69162
13448         * gimplify.c (gimplify_va_arg_expr): Encode original type of
13449         valist argument in another argument.
13450         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
13451         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
13452         to determine the va_list type, build a MEM_REF instead of
13453         build_fold_indirect_ref.
13454
13455         PR tree-optimization/69172
13456         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
13457         gimple_build.
13458
13459 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13460
13461         PR tree-optimization/67781
13462         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
13463         and cmpnop in two steps: first the ones not accessed in original
13464         gimple expression in a endian independent way and then the ones not
13465         accessed in the final result in an endian-specific way.
13466
13467 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13468
13469         PR tree-optimization/69083
13470         * tree-vect-slp.c (vect_get_constant_vectors): For
13471         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
13472         element type.  If op is fold_convertible_p to vector_type's element
13473         type, use NOP_EXPR instead of VCE.
13474
13475 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
13476
13477         PR rtl-optimization/67778
13478         PR rtl-optimization/68634
13479         PR rtl-optimization/68909
13480         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
13481         block from the stack until done with it.  Remove a superfluous
13482         bitmap set.  Remove a superfluous bitmap test.
13483
13484 2016-01-07  Martin Sebor  <msebor@redhat.com>
13485
13486         PR c/68966
13487         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
13488         constraint on the type of arguments.
13489
13490 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
13491
13492         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
13493         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
13494         unaligned_access on the gcc_options set.
13495         * config/arm/arm.c (arm_option_override_internal): Use
13496         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
13497
13498 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13499
13500         PR target/69140
13501         * config/i386/i386.c (ix86_frame_pointer_required): Enable
13502         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
13503
13504 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13505
13506         Revert
13507         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13508
13509         PR target/69140
13510         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13511         depending on frame_pointer_needed before remaining integer and SSE
13512         registers are saved.
13513
13514 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13515
13516         PR 1078
13517         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
13518
13519 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13520
13521         PR target/69171
13522         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
13523         Use the "xBm" constraint.
13524         (float<sseintvecmodelower><mode>2<mask_name><round_name):
13525         Likewise.
13526         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
13527         (sse_cvtsi2ssq<round_name>): Likewise.
13528         (sse_cvtss2si<round_name>): Likewise.
13529         (sse_cvtss2siq<round_name>): Likewise.
13530         (sse2_cvtsi2sdq<round_name>): Likewise.
13531         (sse2_cvtsd2si<round_name>): Likewise.
13532         (sse2_cvtsd2siq<round_name>): Likewise.
13533         * config/i386/subst.md (round_nimm_scalar_predicate): New
13534         predicate.
13535
13536 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
13537
13538         PR middle-end/67639
13539         * varasm.c (make_decl_rtl): Mark invalid register vars as
13540         DECL_EXTERNAL.
13541
13542         PR rtl-optimization/66206
13543         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
13544         All callers changed.
13545
13546 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
13547
13548         PR tree-optimization/69141
13549         * tree-ssa-pre.c: Include langhooks.h.
13550         (eliminate_dom_walker::before_dom_children): Use
13551         lang_hooks.decl_printable_name instead of
13552         cgraph_node::get ()->name ().
13553
13554         PR middle-end/68960
13555         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
13556         it and DECL_ALIGN too.
13557
13558 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
13559
13560         * config/mips/mips-ftypes.def: Sort to lexicographical order.
13561
13562 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13563
13564         PR target/69140
13565         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13566         depending on frame_pointer_needed before remaining integer and SSE
13567         registers are saved.
13568
13569 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13570
13571         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
13572         mode iterator with VSX_M2.
13573         (*p9_vecstore_<mode>): Likewise.
13574         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
13575         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
13576         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
13577         (define_split for VSX_LE128 stores): Likewise.
13578         (define_peephole2 for TImode LE swaps): Likewise.
13579         (define_split for VSX_LE128 post-reload stores): Likewise.
13580
13581 2016-01-06  Marek Polacek  <polacek@redhat.com>
13582
13583         PR sanitizer/69099
13584         * convert.c (convert_to_integer_1): Adjust call to
13585         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
13586         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
13587         EXPR instead of ARG.
13588         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
13589
13590 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13591
13592         PR 1078
13593         * doc/extend.texi (RL78 Variable Attributes): New section.
13594
13595 2016-01-05  Marek Polacek  <polacek@redhat.com>
13596
13597         PR c/69104
13598         * builtins.c (get_memmodel): Use expansion point location rather than
13599         the input location.  Call warning_at rather than warning.
13600         (expand_builtin_atomic_compare_exchange): Likewise.
13601         (expand_builtin_atomic_load): Likewise.
13602         (expand_builtin_atomic_store): Likewise.
13603         (expand_builtin_atomic_clear): Likewise.
13604
13605 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13606
13607         PR target/68991
13608         * config/i386/i386.c (ix86_expand_vector_logical_operator):
13609         Replace nonimmediate_operand with vector_operand.
13610         * config/i386/predicates.md (vector_operand): New predicate.
13611         (general_vector_operand): Replace nonimmediate_operand with
13612         vector_operand.
13613         * config/i386/sse.md: Replace nonimmediate_operand with
13614         vector_operand and m constraint with Bm constraint on SSE
13615         patterns with 16-byte memory operand.
13616         * config/i386/subst.md (round_nimm_predicate): Replace
13617         nonimmediate_operand with vector_operand.
13618         (round_saeonly_nimm_predicate): Likewise.
13619         (round_saeonly_nimm_scalar_predicate): New.
13620
13621 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13622
13623         PR target/68991
13624         * config/i386/constraints.md (Bm): New constraint.
13625         * config/i386/predicates.md (vector_memory_operand): New
13626         predicate.
13627         * config/i386/sse.md: Replace xm with xBm in plusminus and
13628         any_logic patterns.
13629
13630 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13631
13632         PR 1078
13633         * doc/extend.texi (V850 Function Attributes): New section.
13634         (V850 Variable Attributes): New section.
13635
13636 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13637
13638         PR 1078
13639         * doc/extend.texi (MicroBlaze Function Attributes): Document
13640         interrupt_handler and fast_interrupt attributes.
13641
13642 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
13643
13644         PR other/60465
13645         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
13646         for local symbolic operands.
13647         * config/ia64/predicates.md (local_symbolic_operand64): New
13648         predicate.
13649
13650 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13651
13652         PR rtl-optimization/68651
13653         * combine.c (combine_simplify_rtx): Canonicalize x + x into
13654         x << 1.
13655
13656 2016-01-05  Nathan Sidwell  <nathan@acm.org>
13657
13658         * alias.c (compare_base_decls): Use symtab_node::get.
13659
13660 2016-01-05  Nick Clifton  <nickc@redhat.com>
13661
13662         PR target/68770
13663         * ira-costs.c (copy_cost): Initialise the t_icode field of the
13664         secondary_reload_info structure.
13665
13666         PR target/66655
13667         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
13668         decls if weak support is available.
13669
13670 2016-01-04  Martin Sebor  <msebor@redhat.com>
13671
13672         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
13673
13674 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13675
13676         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
13677         OPTION_MASK_P9_DFORM.
13678
13679         * config/rs6000/constraints.md (wo constraint): New constraint for
13680         ISA 3.0 (power9).
13681
13682         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
13683         for wo constraint.
13684         (rs6000_init_hard_regno_mode_ok): Likewise.
13685
13686         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
13687         wo constraint.
13688
13689         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
13690         expanders not to have constraints.  Add support for ISA 3.0 xxperm
13691         instruction.  Add support for fusing xxlor with xxperm.
13692         (altivec_vperm_<mode>_internal): Likewise.
13693         (altivec_vperm_v8hiv16qi): Likewise.
13694         (altivec_vperm_<mode>v16q): Likewise.
13695         (altivec_vperm_<mode>_uns): Likewise.
13696         (vperm_v8hiv4si): Likewise.
13697         (vperm_v16qiv8hi): Likewise.
13698
13699         * doc/md.texi (RS/6000 constraints): Document wo constraint.
13700
13701 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
13702
13703         Update copyright years.
13704
13705         * gcc.c (process_command): Update copyright notice dates.
13706         * gcov-dump.c (print_version): Ditto.
13707         * gcov.c (print_version): Ditto.
13708         * gcov-tool.c (print_version): Ditto.
13709         * gengtype.c (create_file): Ditto.
13710         * doc/cpp.texi: Bump @copying's copyright year.
13711         * doc/cppinternals.texi: Ditto.
13712         * doc/gcc.texi: Ditto.
13713         * doc/gccint.texi: Ditto.
13714         * doc/gcov.texi: Ditto.
13715         * doc/install.texi: Ditto.
13716         * doc/invoke.texi: Ditto.
13717
13718 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13719
13720         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
13721         modes larger than TImode as TImode if NEON is not enabled.
13722
13723 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13724
13725         PR target/69100
13726         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
13727         mode for %f0-%f31 only if TARGET_FPU.
13728
13729 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13730
13731         PR target/69072
13732         * config/sparc/sparc.c (scan_record_type): Take into account subfields
13733         to compute the PACKED_P predicate.
13734         (function_arg_record_value): Minor tweaks.
13735
13736 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13737
13738         * doc/install.texi (--with-multilib-list): Describe the meaning of the
13739         option for arm*-*-* targets.
13740
13741 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
13742
13743         * doc/extend.texi (Common Function Attributes): Move docs for
13744         MSP430-specific attributes to....
13745         (MSP430 Function Attributes): ...here.  Delete the redundant
13746         entries and copy-edit the remaining text.
13747         (MSP430 Variable Attributes): Use uniform format for index
13748         entries and add a cross-reference to the corresponding function
13749         attribute docs.
13750
13751 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
13752
13753         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
13754         -finite-math typo.
13755         (x86 Options): Likewise.
13756
13757 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13758
13759         PR 1078
13760
13761         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
13762         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
13763         to corresponding attribute.
13764
13765 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13766
13767         * doc/extend.texi (Common Function Attributes) <noplt>: Move
13768         to correct alphabetization of table.  Copy-edit and correct
13769         markup.
13770         <stack_protect>: Likewise.
13771         <target_clones>: Likewise.
13772         <simd>: Likewise.
13773         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
13774         Correct punctuation.
13775         (Code Gen Options) <-fno-plt>: Copy-edit.
13776
13777 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13778
13779         PR target/68917
13780         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
13781         SI values.  Explicitly convert SI to DI and vice-versa.
13782
13783 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
13784
13785         PR tree-optimization/69070
13786         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
13787         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
13788
13789         PR sanitizer/69055
13790         * ubsan.c (ubsan_instrument_float_cast): Call
13791         initialize_sanitizer_builtins.
13792
13793         PR target/69015
13794         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
13795 \f
13796 Copyright (C) 2016 Free Software Foundation, Inc.
13797
13798 Copying and distribution of this file, with or without modification,
13799 are permitted in any medium without royalty provided the copyright
13800 notice and this notice are preserved.