gcc/ChangeLog

   1 2016-05-31  Nathan Sidwell  <nathan@acm.org>
   2
   3         * dwarf2out.c (cur_line_info_table): Add GTY marker.
   4
   5 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
   6
   7         * config/sh/constraints.md (b): Remove constraint.
   8         * config/sh/predicates.md (arith_reg_operand): Remove TARGET_REGISTER_P.
   9         * config/sh/sh-modes.def (PDI): Remove.
  10         * config/sh/sh.c (sh_target_reg_class,
  11         sh_optimize_target_register_callee_saved): Remove functions.
  12         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
  13         (sh_expand_epilogue): Update comment.
  14         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
  15         sh_secondary_reload): Remove TARGET_REGS related code.
  16         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
  17         TARGET_REGISTER_P): Remove macros.
  18         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
  19         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
  20         TR1_REG, TR2_REG): Remove constants.
  21         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
  22
  23 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
  24
  25         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
  26         define_expand patterns.
  27         (adddi3_compact): Rename to adddi3.
  28         (subdi3_compact): Rename to subdi3.
  29         (*negdi2): Rename to negdi2.
  30         (*abs<mode>2): Rename to abs<mode>2.
  31
  32 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
  33
  34         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
  35         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
  36         (atomic_sub_fetchsi): ... this new pattern.
  37         (mvtc): Add CC_REG clobber.
  38
  39 2016-05-31  Marek Polacek  <polacek@redhat.com>
  40
  41         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
  42
  43 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  44
  45         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
  46         aarch64_fusion_enabled_p to check for fusion capabilities.
  47
  48 2016-05-31  Richard Biener  <rguenther@suse.de>
  49
  50         PR tree-optimization/71352
  51         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
  52         minus one and a negate.
  53
  54 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  55
  56         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
  57         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
  58         Delete prototype.
  59         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
  60         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
  61         Remove use of aarch64_simd_attr_length_move, set length attribute
  62         directly.
  63         (*aarch64_be_movoi): Likewise.
  64         (*aarch64_be_movci): Likewise.
  65         (*aarch64_be_movxi): Likewise.
  66
  67 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
  68
  69         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
  70         It no longer does that.
  71         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
  72
  73 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
  74
  75         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
  76         attribute __unused__.
  77
  78 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
  79
  80         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
  81         * config/arm/arm.c (arm_arch_thumb1): Define.
  82         (arm_option_override): Initialize arm_arch_thumb1.
  83         * config/arm/arm.h (arm_arch_thumb1): Declare.
  84         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
  85         support Thumb-1 ISA.
  86
  87 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
  88
  89         PR target/71346
  90         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
  91         `Yv' for scalar operand.
  92
  93 2016-05-31  Tom de Vries  <tom@codesourcery.com>
  94
  95         PR tree-optimization/69068
  96         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
  97         phis with more than two args.
  98
  99 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
 100
 101         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
 102         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
 103         target.
 104
 105 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
 106
 107         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
 108         tune_64.
 109         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
 110         support on SPARC.
 111         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
 112         cpu_32, cpu_64, tune_32 and tune_64.
 113         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
 114
 115 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
 116
 117         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
 118
 119 2016-05-30  Andi Kleen  <ak@linux.intel.com>
 120
 121         * auto-profile.c (read_profile): Replace asserts with errors
 122         when file does not exist.
 123         * gcov-io.c (gcov_read_words): Dito.
 124
 125 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 126
 127         * tree-cfg.c (print_loop): Print likely upper bounds.
 128
 129 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 130
 131         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
 132         * opts.c (default_options): Enable peel loops at -O3.
 133         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
 134         (try_peel_loop): Do not re-peel already peeled loops;
 135         use likely upper bounds; fix profile updating.
 136         (pass_complete_unroll::execute): Initialize peeled_loops.
 137
 138 2016-05-30  Martin Liska  <mliska@suse.cz>
 139
 140         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
 141         computed costs by frequency of BB they belong to.
 142         (get_scaled_computation_cost_at): New function.
 143
 144 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
 145             Marc Glisse  <marc.glisse@inria.fr>
 146
 147         PR tree-optimization/71289
 148         * match.pd (-1 / B < A, A > -1 / B): New transformations.
 149
 150 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 151
 152         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
 153
 154 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 155
 156         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
 157         for peeled copies; avoid underflow when updating estimates; correctly
 158         scale loop profile.
 159
 160 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 161
 162         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
 163         r236875. Corrected oe3 to oe2 as obvious.
 164
 165 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 166
 167         PR middle-end/71269
 168         PR middle-end/71252
 169         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
 170         that inserted stmt will not dominate stmts that defines its operand.
 171         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
 172         (rewrite_expr_tree_parallel): Likewise.
 173
 174 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 175
 176         PR middle-end/71252
 177         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
 178         all fields including stmt_to_insert are swapped.
 179
 180 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 181
 182         * predict.h (force_edge_cold): Declare.
 183         * predict.c (force_edge_cold): New function.
 184         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
 185         updating.
 186         (canonicalize_loop_induction_variables): Fix formating.
 187
 188 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
 189
 190         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
 191         (visium_expand_copysign): Use gen_int_mode directly.
 192         (visium_compute_frame_size): Minor tweaks.
 193
 194 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 195
 196         * tree-vect-loop.c (vect_analyze_loop_2): Use
 197         likely_max_stmt_executions_int.
 198
 199 2016-05-30  Tom de Vries  <tom@codesourcery.com>
 200
 201         PR tree-optimization/69067
 202         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
 203
 204 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
 205
 206         PR target/71245
 207         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
 208         New peepholes to remove unneeded fild/fistp pairs.
 209         (define_peephole2 atomic_loaddi_fpu): Ditto.
 210
 211 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 212
 213         * predict.c (maybe_hot_frequency_p): Avoid division.
 214
 215 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
 216
 217         * doc/install.texi: Use https for shop.fsf.org.
 218
 219 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 220
 221         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
 222         likely_max_stmt_executions_int.
 223
 224 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 225
 226         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 227         likely_max_stmt_executions_int.
 228
 229 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 230
 231         * profile.c (compute_branch_probabilities): Do not report hitrates
 232         here.
 233         (branch_prob): Report hitrates here.
 234         * predict.c (gimple_predict_edge): Do not assert profile status;
 235         fix formatting issues.
 236
 237 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 238
 239         * predict.c (edge_predicted_by_p): New function.
 240         (predict_paths_for_bb): Do not put multiple predictions of the same type
 241         on one edge.
 242
 243 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 244
 245         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
 246         commit.
 247
 248 2016-05-28  Alan Modra  <amodra@gmail.com>
 249
 250         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
 251
 252 2016-05-28  Alan Modra  <amodra@gmail.com>
 253
 254         PR rtl-optimization/71275
 255         * ira.c (ira): Free dominance info.
 256
 257 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
 258
 259         * doc/sourcebuild.texi: New address for upstream Go repository.
 260
 261 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 262
 263         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
 264         (TARGET_ARM_V7M): Likewise.
 265
 266 2016-05-26  Jeff Law  <law@redhat.com>
 267
 268         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
 269         (thread_across_edge): Remove calls to find_jump_threads_backwards.
 270         * passes.def: Add jump threading passes before DOM/VRP.
 271         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
 272         argument to a basic block from an edge.  Remove tests which are
 273         handled elsewhere.
 274         (pass_data_thread_jumps, class pass_thread_jumps): New.
 275         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
 276         (make_pass_thread_jumps): Likewise.
 277         * tree-pass.h (make_pass_thread_jumps): Declare.
 278
 279 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 280
 281         * config/visium/visium-protos.h (split_double_move): Rename into...
 282         (visium_split_double_move): ...this.
 283         (visium_split_double_add): Declare.
 284         * config/visium/visium.c (split_double_move): Rename into...
 285         (visium_split_double_move): ...this.
 286         (visium_split_double_add): New function.
 287         (visium_expand_copysign): Renumber operands for consistency.
 288         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
 289         (DFmode move splitter): Likewise.
 290         (*addi3_insn): Split by means of visium_split_double_add.
 291         (*adddi3_insn_flags): Delete.
 292         (*plus_plus_sltu<subst_arith>): New insn.
 293         (*subdi3_insn): Split by means of visium_split_double_add.
 294         (subdi3_insn_flags): Delete.
 295         (*minus_minus_sltu<subst_arith>): New insn.
 296         (*negdi2_insn): Split by means of visium_split_double_add.
 297         (*negdi2_insn_flags): Delete.
 298
 299 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
 300
 301         * configure.ac: Treat a --with-headers option without argument
 302         the same as the default (i.e. consult sys-include directory).
 303         * configure: Regenerate.
 304
 305 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 306
 307         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
 308         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
 309         prototype.
 310         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
 311         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
 312
 313 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 314
 315         PR target/63596
 316         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
 317         tree-stdarg analysis results.
 318         (aarch64_setup_incoming_varargs): Likewise.
 319
 320 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 321
 322         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
 323         va_list_gpr_counter_field and va_list_fpr_counter_field.
 324
 325 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
 326
 327         PR67609
 328         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
 329         * config/aarch64/aarch64.c
 330         (aarch64_cannot_change_mode_class): Remove function.
 331         * config/aarch64/aarch64-protos.h
 332         (aarch64_cannot_change_mode_class): Remove.
 333
 334 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 335
 336         * cfgloop.c (record_niter_bound): Record likely upper bounds.
 337         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
 338         get_likely_max_loop_iterations_int): New.
 339         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
 340         any_likely_upper_bound.
 341         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
 342         Declare.
 343         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
 344         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
 345         upper bound.
 346         (unroll_loop_constant_iterations): Likewise.
 347         (unroll_loop_runtime_iterations): Likewise.
 348         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
 349         * lto-streamer-out.c (output_cfg): Likewise.
 350         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
 351         bounds.
 352         (canonicalize_loop_induction_variables): Dump likely upper bounds.
 353         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
 354         (likely_max_loop_iterations): New.
 355         (likely_max_loop_iterations_int): New.
 356         (likely_max_stmt_executions): New.
 357         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
 358         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
 359         likely_max_stmt_executions): Declare.
 360
 361 2016-05-27  Marek Polacek  <polacek@redhat.com>
 362
 363         PR middle-end/71308
 364         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
 365
 366 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 367
 368         * config/s390/s390.md (2x risbg splitters): Use
 369         reg_overlap_mentioned_p instead of rtx_equal_p.
 370
 371 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 372
 373         * combine.c (make_compound_operation): Take known zero bits into
 374         account when checking for possible zero_extend.
 375
 376 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 377
 378         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
 379         Use const_int_operand for operand 2 predicate.  Simplify expand code
 380         as a result.
 381
 382 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
 383
 384         PR middle-end/71279
 385         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
 386         into comparison.
 387
 388 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 389
 390         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
 391         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
 392         that returns CC_SESWPmode and CC_ZESWPmode.
 393         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
 394         and CC_SESWPmode.
 395         (aarch64_rtx_costs): Likewise.
 396
 397 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
 398
 399         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
 400         for ISA 3.0 min/max support.
 401         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
 402         conditional move support.
 403         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
 404         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
 405         available.
 406         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
 407         conditional moves where the comparison type is different from move
 408         type.
 409         (fp_minmax): New code iterator for smin/smax.
 410         (minmax): New code attributes for min/max.
 411         (SMINMAX): Likewise.
 412         (smax<mode>3): Combine min, max insns into one insn using the
 413         fp_minmax code iterator.  Add support for ISA 3.0 min/max
 414         instructions that don't need -ffast-math.
 415         (s<minmax><mode>3): Likewise.
 416         (smax<mode>3_vsx): Likewise.
 417         (smin<mode>3): Likewise.
 418         (s<minmax><mode>3_vsx): Likewise.
 419         (smin<mode>3_vsx): Likewise.
 420         (pre-VSX min/max splitters): Likewise.
 421         (s<minmax><mode>3_fpr): Likewise.
 422         (movsfcc): Rewrite floating point conditional moves to combine
 423         SFmode/DFmode into a single insn.
 424         (mov<mode>cc): Likewise.
 425         (movdfcc): Likewise.
 426         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
 427         SFDF2 iterators to handle all combinations.
 428         (fseldfsf4): Likewise.
 429         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
 430         (fseldfdf4): Likewise.
 431         (fselsfdf4): Likewise.
 432         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
 433         comparison instructions that set a 0/-1 mask, and use it for
 434         floating point conditional move via XXSEL.
 435         (fpmask<mode>): Likewise.
 436         (xxsel<mode>): Likewise.
 437         * config/rs6000/predicates.md (min_max_operator): Delete, no
 438         longer used.
 439         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
 440         instructions that generate a 0/-1 mask for use with XXSEL.
 441         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
 442         say whether floating point min/max is available, either through
 443         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
 444         (TARGET_MINMAX_DF): Likewise.
 445
 446 2016-05-27  Alan Modra  <amodra@gmail.com>
 447
 448         PR rtl-optimization/71275
 449         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
 450         for update_equiv_regs and combine_and_move_insns.
 451
 452 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
 453
 454         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
 455         if_then_else or cond RTXes to calculate attribute value.
 456         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
 457         <attr "length_immediate>: Ditto.
 458         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
 459         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
 460         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
 461         <attr "type">: Ditto.
 462         <attr "prefix_data16">: Ditto.
 463         <attr "prefix_extra">: Ditto.
 464         <attr "length_immediate">: Ditto.
 465         <attr "prefix">: Ditto.
 466         (vec_set<mode>_0) <attr "isa">: Ditto.
 467         <attr "prefix_extra">: Ditto.
 468         <attr "length_immediate">: Ditto.
 469         <attr "prefix">: Ditto.
 470         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
 471         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
 472         (sse2_storelpd) <attr "prefix_data16">: Ditto.
 473         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
 474         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
 475         <attr "length_immediate">: Ditto.
 476         <attr "prefix">: Ditto.
 477         (sse2_movsd) <attr "length_immediate">: Ditto.
 478         <attr "prefix">: Ditto.
 479         (vec_concatv2df)  <attr "isa">: Ditto.
 480         <attr "prefix">: Ditto.
 481         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
 482         (*vec_extractv2di_1) <attr "isa">: Ditto.
 483         <attr "type">: Ditto.
 484         <attr "length_immediate">: Ditto.
 485         <attr "prefix_rex">: Ditto.
 486         <attr "prefix_extra">: Ditto.
 487         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
 488         <attr "prefix_extra">: Ditto.
 489         <attr "length_immediate">: Ditto.
 490         (vec_concatv2di) <attr "isa">: Ditto.
 491         <attr "prefix_extra">: Ditto.
 492         <attr "length_immediate">: Ditto.
 493         <attr "prefix">: Ditto.
 494
 495 2016-05-26  Martin Liska  <mliska@suse.cz>
 496
 497         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
 498         function.
 499         (operator+): Likewise.
 500         (operator-): Likewise.
 501         (comp_cost::operator+=): Likewise.
 502         (comp_cost::operator-=): Likewise.
 503         (comp_cost::operator/=): Likewise.
 504         (comp_cost::operator*=): Likewise.
 505         (operator<): Likewise.
 506         (operator==): Likewise.
 507         (operator<=): Likewise.
 508         (new_cost): Remove.
 509         (infinite_cost_p): Likewise.
 510         (add_costs): Likewise.
 511         (sub_costs): Likewise.
 512         (compare_costs): Likewise.
 513         (set_group_iv_cost): Use the newly introduced functions.
 514         (get_address_cost): Likewise.
 515         (get_shiftadd_cost): Likewise.
 516         (force_expr_to_var_cost): Likewise.
 517         (split_address_cost): Likewise.
 518         (ptr_difference_cost): Likewise.
 519         (difference_cost): Likewise.
 520         (get_computation_cost_at): Likewise.
 521         (determine_group_iv_cost_generic): Likewise.
 522         (determine_group_iv_cost_address): Likewise.
 523         (determine_group_iv_cost_cond): Likewise.
 524         (autoinc_possible_for_pair): Likewise.
 525         (determine_group_iv_costs): Likewise.
 526         (cheaper_cost_pair): Likewise.
 527         (iv_ca_recount_cost): Likewise.
 528         (iv_ca_set_no_cp): Likewise.
 529         (iv_ca_set_cp): Likewise.
 530         (iv_ca_cost): Likewise.
 531         (iv_ca_new): Likewise.
 532         (iv_ca_dump): Likewise.
 533         (iv_ca_narrow): Likewise.
 534         (iv_ca_prune): Likewise.
 535         (iv_ca_replace): Likewise.
 536         (try_add_cand_for): Likewise.
 537         (try_improve_iv_set): Likewise.
 538         (find_optimal_iv_set): Likewise.
 539
 540 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
 541
 542         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
 543         that internal functions will clobber all caller-saved registers.
 544
 545 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 546
 547         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
 548         Return a better case_values_threshold when optimizing.
 549
 550 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 551
 552         * config/aarch64/aarch64-simd.md (aarch64_combinez):
 553         Add ? to integer variant.
 554         (aarch64_combinez_be): Likewise.
 555
 556 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
 557
 558         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
 559         instead of x constraint.
 560         (vcvtps2ph256<mask_name>): Likewise.
 561
 562         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
 563         alternative.  Formatting fix.
 564
 565         * config/i386/sse.md
 566         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
 567         to ...
 568         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
 569         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
 570         maybe_evex prefix instead of vex.
 571         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
 572         EXT_REX_SSE_REG_P (op0) case in the splitter.
 573
 574 2016-05-25  Jeff Law  <law@redhat.com>
 575
 576         PR tree-optimization/71272
 577         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
 578         Update comments.  Add test for empty path.
 579
 580 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
 581
 582         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
 583         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
 584         special case builtin.
 585         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 586         code for ALTIVEC_BUILTIN_VEC_CMPNE.
 587         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 588         for __builtin_vec_cmpne.
 589
 590 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 591
 592         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
 593         redundant test and bail out if the type of the new operand is not
 594         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
 595
 596 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 597
 598         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
 599         (x_ix86_target_flags_explicit): Remove.
 600         * config/i386/i386.c (ix86_function_specific_save): Do not copy
 601         x_ix86_target_flags_explicit.
 602         (ix86_function_specific_restore): Ditto.
 603
 604 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 605             H.J. Lu  <hongjiu.lu@intel.com>
 606
 607         PR target/70738
 608         * common/config/i386/i386-common.c
 609         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
 610         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
 611         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
 612         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
 613         (-mgeneral-regs-only): Add new option.
 614         * config/i386/i386.c (ix86_option_override_internal): Don't enable
 615         x87 instructions if only general registers are allowed.
 616         (ix86_target_string): Add ix86_flags argument. Handle additional
 617         flags options through ix86_flags argument.  Update all callers.
 618         * doc/invoke.texi: Document -mgeneral-regs-only.
 619
 620 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 621
 622         PR rtl-optimization/66940
 623         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
 624         decrementing desired_val will not overflow before performing these
 625         operations.
 626
 627 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
 628
 629         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
 630         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
 631         * config/i386/i386.c (enum ix86_builtins): Add
 632         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
 633         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
 634         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
 635         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
 636         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
 637         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
 638         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
 639         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
 640         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
 641         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
 642         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
 643         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
 644         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
 645         __builtin_ia32_cvtps2dq512_mask.
 646         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
 647         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
 648         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
 649         * config/i386/sse.md
 650         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
 651         Rename to ...
 652         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
 653         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
 654         to ...
 655         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
 656         (avx512f_vec_pack_sfix_v8df): New define_expand.
 657         (avx512f_roundpd512): Rename to ...
 658         (avx512f_round<castmode>512): ... this.  Change iterator.
 659         (avx512f_roundps512_sfix): New define_expand.
 660         (round<mode>2_sfix): Change iterator.
 661
 662 2016-05-25  Nick Clifton  <nickc@redhat.com>
 663
 664         * config/msp430/msp430.c (msp430_attr): Produce an error if a
 665         static interrupt handler is detected.
 666         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
 667         default linker script.
 668         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
 669         the low part of a symbolic pointer.
 670
 671 2016-05-25  Richard Biener  <rguenther@suse.de>
 672
 673         PR tree-optimization/71261
 674         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
 675         interesting stmt instead of immediate uses when looking
 676         for the use operand to replace.
 677
 678 2016-05-25  Martin Liska  <mliska@suse.cz>
 679
 680         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
 681
 682 2016-05-25  Richard Biener  <rguenther@suse.de>
 683
 684         PR tree-optimization/71264
 685         * tree-vect-stmts.c (vect_init_vector): Properly deal with
 686         vector type val.
 687
 688 2016-05-25  Martin Liska  <mliska@suse.cz>
 689
 690         PR tree-optimization/71239
 691         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
 692         if DECL_SIZE is NULL.
 693
 694 2016-05-25  Richard Biener  <rguenther@suse.de>
 695
 696         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
 697         * tree-if-conv.c (pass_data_if_conversion): Use it.
 698
 699 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 700
 701         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
 702         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
 703         * varpool.c (varpool_node::get_availability): Likewise.
 704
 705 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 706
 707         * config/rs6000/altivec.md (VNEG iterator): New iterator for
 708         VNEGW/VNEGD instructions.
 709         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
 710         (neg<mode>2): Add expander for V2DImode added in ISA 2.06, and
 711         support for ISA 3.0 VNEGW/VNEGD instructions.
 712
 713 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
 714
 715         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
 716         pointers inside OACC_DATA regions.
 717         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
 718         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
 719         (gimplify_adjust_omp_clauses): Fix typo in comment.
 720
 721 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 722
 723         * config/rs6000/altivec.md (VParity): New mode iterator for vector
 724         parity built-in functions.
 725         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
 726         zeros.
 727         (p9v_parity<mode>2): Likewise.
 728         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
 729         parity.
 730         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
 731         (parity<mode>2): ISA 3.0 expander for vector parity.
 732         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
 733         power9 built-ins.
 734         (BU_P9_64BIT_MISC_0): Likewise.
 735         (BU_P9_MISC_0): Likewise.
 736         (BU_P9V_AV_1): Likewise.
 737         (BU_P9V_AV_2): Likewise.
 738         (BU_P9V_AV_3): Likewise.
 739         (BU_P9V_AV_P): Likewise.
 740         (BU_P9V_VSX_1): Likewise.
 741         (BU_P9V_OVERLOAD_1): Likewise.
 742         (BU_P9V_OVERLOAD_2): Likewise.
 743         (BU_P9V_OVERLOAD_3): Likewise.
 744         (VCTZB): Add vector count trailing zeros support.
 745         (VCTZH): Likewise.
 746         (VCTZW): Likewise.
 747         (VCTZD): Likewise.
 748         (VPRTYBD): Add vector parity support.
 749         (VPRTYBQ): Likewise.
 750         (VPRTYBW): Likewise.
 751         (VCTZ): Add overloaded vector count trailing zeros support.
 752         (VPRTYB): Add overloaded vector parity support.
 753         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 754         overloaded vector count trailing zeros and parity instructions.
 755         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
 756         vector parity support.
 757         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
 758         trailing zeros support.
 759         (vec_cntlz): Likewise.
 760         (vec_vctzb): Likewise.
 761         (vec_vctzd): Likewise.
 762         (vec_vctzh): Likewise.
 763         (vec_vctzw): Likewise.
 764         (vec_vprtyb): Add ISA 3.0 vector parity support.
 765         (vec_vprtybd): Likewise.
 766         (vec_vprtybw): Likewise.
 767         (vec_vprtybq): Likewise.
 768         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 769         the ISA 3.0 vector count trailing zeros and vector parity built-in
 770         functions.
 771
 772 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 773
 774         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
 775         when there is stmt_to_insert.
 776
 777 2016-05-24  Martin Sebor  <msebor@redhat.com>
 778
 779         PR c++/71147
 780         * tree.h (complete_or_array_type_p): New inline function.
 781
 782 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 783
 784         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
 785         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
 786         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
 787
 788         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
 789         Limit 1st alternative to noavx isa, split 2nd alternative into one
 790         noavx and one avx alternative, use *x and Bm in the former and
 791         x and m in the latter.
 792
 793         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
 794         of sse4 for the first alternative, drop %v from the template
 795         and d operand modifier.  Split second alternative into one sse4_noavx
 796         and one avx alternative, use *x instead of *v in the former and v
 797         instead of *v in the latter.
 798         (*sse4_1_extractps): Use noavx isa instead of * for the first
 799         alternative, drop %v from the template.  Split second alternative into
 800         one noavx and one avx alternative, use *x instead of *v in the
 801         former and v instead of *v in the latter.
 802         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
 803         with noavx and the last one with avx.
 804         (sse4_1_phminposuw): Guard first alternative with noavx isa,
 805         split the second one into one noavx and one avx alternative,
 806         use *x and Bm in the former and x and m in the latter one.
 807         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
 808         alternatives.
 809
 810         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
 811         first two alternatives to noavx, use *x instead of *v in the second
 812         one, add avx alternative without *.
 813         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
 814         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
 815         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
 816
 817 2016-05-24  Jeff Law  <law@redhat.com>
 818
 819         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
 820         New function, extracted from...
 821         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
 822         Allow simple copies and constant initializations in the SSA chain.
 823
 824 2016-05-24  Marek Polacek  <polacek@redhat.com>
 825
 826         PR c/71249
 827         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
 828         scope.
 829
 830 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 831
 832         PR c++/71257
 833         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
 834         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
 835         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
 836         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
 837         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
 838
 839 2016-05-24  Richard Biener  <rguenther@suse.de>
 840
 841         PR tree-optimization/71240
 842         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
 843         has integral type.
 844
 845 2016-05-24  Richard Biener  <rguenther@suse.de>
 846
 847         PR tree-optimization/71230
 848         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
 849
 850 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 851
 852         * tree-vectorizer.h (vectorizable_comparison): Delete.
 853         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
 854         PURE_SLP_STMT check.
 855         * tree-vect-stmts.c (vectorizable_call): Likewise.
 856         (vectorizable_simd_clone_call): Likewise.
 857         (vectorizable_conversion): Likewise.
 858         (vectorizable_assignment): Likewise.
 859         (vectorizable_shift): Likewise.
 860         (vectorizable_operation): Likewise.
 861         (vectorizable_load): Likewise.
 862         (vectorizable_condition): Likewise.
 863         (vectorizable_store): Likewise.  Assert that we don't have
 864         hybrid SLP.
 865         (vectorizable_comparison): Make static.  Remove redundant
 866         PURE_SLP_STMT check.
 867         (vect_transform_stmt): Assert that we always have an slp_node
 868         if PURE_SLP_STMT.
 869
 870 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 871
 872         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
 873         operands[2] against 1 with comparison against CONST1_RTX.
 874         (<shift>di3_neon): Likewise.
 875         * config/arm/predicates.md (const0_operand): Replace with comparison
 876         against CONST0_RTX.
 877
 878 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 879
 880         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
 881         operands[2] against 1 with comparison against CONST1_RTX.
 882         (ashrdi3): Likewise.
 883         (lshrdi3): Likewise.
 884         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
 885         UINTVAL.
 886         (ashrsi3): Likewise.
 887         (lshrsi3): Likewise.
 888         (rotrsi3): Likewise.
 889         (define_split above *compareqi_eq0): Likewise.
 890         (define_split above "prologue"): Likewise.
 891         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
 892         * config/arm/predicates.md (shift_operator): Likewise.
 893         (shift_nomul_operator): Likewise.
 894         (sat_shift_operator): Likewise.
 895         (thumb1_cmp_operand): Likewise.
 896         (const_neon_scalar_shift_amount_operand): Replace manual range
 897         check with IN_RANGE.
 898         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
 899         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
 900
 901 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 902
 903         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
 904         with HOST_WIDE_INT_1.
 905         (insv): Likewise.
 906         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
 907         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
 908         (arm_canonicalize_comparison): Likewise.
 909         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
 910         HOST_WIDE_INT_1.
 911         (thumb1_size_rtx_costs): Likewise.
 912         (vfp_const_double_index): Replace cast of 1 to unsigned
 913         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 914         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
 915         HOST_WIDE_INT_1.
 916         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
 917         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 918         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
 919         HOST_WIDE_INT with HOST_WIDE_INT_1.
 920
 921 2016-05-24  Marek Polacek  <polacek@redhat.com>
 922
 923         * tree-cfg.h (should_remove_lhs_p): New predicate.
 924         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
 925         * gimplify.c (gimplify_modify_expr): Likewise.
 926         * tree-cfg.c (verify_gimple_call): Likewise.
 927         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
 928         * gimple-fold.c: Include "tree-cfg.h".
 929         (gimple_fold_call): Use should_remove_lhs_p.
 930
 931 2016-05-24  Richard Biener  <rguenther@suse.de>
 932
 933         PR tree-optimization/71253
 934         * cfganal.h (control_dependences): Make robust against edge
 935         and BB removal.
 936         (control_dependences::control_dependences): Remove edge_list argument.
 937         (control_dependences::get_edge): Remove.
 938         (control_dependences::get_edge_src): Add.
 939         (control_dependences::get_edge_dest): Likewise.
 940         (control_dependences::m_el): Make a vector of edge src/dest index.
 941         * cfganal.c (control_dependences::find_control_dependence): Adjust.
 942         (control_dependences::control_dependences): Likewise.
 943         (control_dependences::~control_dependence): Likewise.
 944         (control_dependences::get_edge): Remove.
 945         (control_dependences::get_edge_src): Add.
 946         (control_dependences::get_edge_dest): Likewise.
 947         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
 948         get_edge_src.
 949         (perform_tree_ssa_dce): Adjust.
 950         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
 951         get_edge_src.
 952         (pass_loop_distribution::execute): Adjust.  Do loop destroying
 953         conditional on changed.
 954
 955 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 956
 957         PR target/69857
 958         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
 959         return.  Reindent transformation comment and mention the ARM state
 960         behavior.
 961
 962 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 963
 964         PR middle-end/71252
 965         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
 966         after build_and_add_sum creates new use stmt.
 967
 968 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 969
 970         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
 971         load_lanes/grouped_load classification comes first.  Don't check
 972         whether the vectorization factor is a multiple of the group size
 973         for load_lanes.
 974
 975 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 976
 977         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
 978         GROUP_GAP for single-element interleaving.
 979         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
 980         variable.
 981
 982 2016-05-24  Richard Biener  <rguenther@suse.de>
 983
 984         PR middle-end/70434
 985         PR c/69504
 986         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
 987         bases which are accessed with non-invariant indices.
 988         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
 989         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
 990
 991 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 992
 993         PR middle-end/71170
 994         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
 995         (add_to_ops_vec): Add stmt_to_insert.
 996         (add_repeat_to_ops_vec): Init stmt_to_insert.
 997         (insert_stmt_before_use): New.
 998         (transform_add_to_multiply): Remove mult_stmt insertion and add it
 999         to ops vector.
1000         (get_ops): Init stmt_to_insert.
1001         (maybe_optimize_range_tests): Likewise.
1002         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
1003         (rewrite_expr_tree_parallel): Likewise.
1004         (reassociate_bb): Likewise.
1005
1006 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1007
1008         PR target/71201
1009         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
1010         ISA 3.0 xxperm fusion alternative.
1011         (altivec_vperm_v8hiv16qi): Likewise.
1012         (altivec_vperm_<mode>_uns_internal): Likewise.
1013         (vperm_v8hiv4si): Likewise.
1014         (vperm_v16qiv8hi): Likewise.
1015
1016 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1017             Kelvin Nilsen  <kelvin@gcc.gnu.org>
1018
1019         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
1020         vpermr/xxpermr on ISA 3.0.
1021         (altivec_expand_vec_perm_le): Likewise.
1022         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
1023         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
1024         ISA 3.0.
1025
1026 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/i386.h (IS_STACK_MODE): Enable for
1029         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
1030         SSE_FLOAT_MODE_P macros.
1031         * config/i386/i386.c (ix86_preferred_reload_class): Use
1032         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
1033         Cleanup regclass processing for CONST_DOUBLE_P.
1034         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
1035         (ix86_rtx_costs): Remove redundant TARGET_80387 check
1036         with IS_STACK_MODE macro.
1037         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
1038         with TARGET_SSE2.
1039         (*movdf_internal): Use IS_STACK_MODE macro.
1040         (*movsf_internal): Ditto.
1041
1042 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
1043
1044         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
1045         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
1046
1047 2016-05-23  Jeff Law  <law@redhat.com>
1048
1049         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
1050         extracted from ...
1051         (fsm_find_control_statement_thread_paths): Call it.
1052
1053 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1054
1055         PR ipa/71234
1056         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
1057         from_global_constant if t is not NULL.
1058
1059 2016-05-23  Marek Polacek  <polacek@redhat.com>
1060
1061         PR c/49859
1062         * common.opt (Wswitch-unreachable): New option.
1063         * doc/invoke.texi: Document -Wswitch-unreachable.
1064         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
1065         warning.
1066
1067 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
1068
1069         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
1070         TMR_INDEX is non-NULL.
1071
1072 2016-05-23  Richard Biener  <rguenther@suse.de>
1073
1074         PR tree-optimization/71230
1075         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
1076         (try_special_add_to_ops): ... here.  Always test for single-use.
1077
1078 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1079
1080         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
1081         default block if a PHI node in the original one would be resized.
1082
1083 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1084
1085         PR tree-optimization/58135
1086         * tree-vect-slp.c: When group size is not multiple
1087         of vector size, allow splitting of store group at
1088         vector boundary.
1089
1090 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
1091
1092         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
1093
1094 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
1095
1096         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1097         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
1098         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
1099         of 64x2.
1100
1101         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
1102         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
1103         v constraint instead of x and vinserti32x4 insn.
1104
1105         * config/i386/sse.md (i128vldq): New mode iterator.
1106         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
1107         avx512dq and avx512vl alternatives.
1108
1109         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
1110         constraint, use maybe_evex prefix instead of vex.
1111         (vec_dupv4sf): Use v constraint instead of x for output
1112         operand except for noavx alternative, use Yv constraint
1113         instead of x for input.  Use maybe_evex prefix instead of vex.
1114         (*vec_dupv4si): Likewise.
1115         (*vec_dupv2di): Likewise.
1116
1117 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
1118
1119         PR middle-end/40921
1120         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
1121         (linearize_expr_tree): Call try_special_add_to_ops.
1122         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
1123
1124 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1125
1126         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
1127         to computed stack_usage.
1128
1129 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1130
1131         PR target/71103
1132         * config/avr/avr.md (define_expand "mov<mode>"): If the source
1133         operand is subreg (symbol_ref) then move the symbol ref to register.
1134
1135 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
1136
1137         * tree.c (array_at_struct_end_p): Look through MEM_REF.
1138
1139 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
1140
1141         PR middle-end/71179
1142         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
1143         VECTOR type.
1144
1145 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1146
1147         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
1148         ranges by calling get_single_symbol and tidy up.  Look more closely
1149         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
1150
1151 2016-05-20  Jeff Law  <law@redhat.com>
1152
1153         * bitmap.c (bitmap_find_bit): Remove useless test.
1154
1155 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
1156
1157         * function.c (thread_prologue_and_epilogue_insns): Commit the
1158         insertion of the epilogue.
1159
1160 2016-05-20  Martin Jambor  <mjambor@suse.cz>
1161
1162         PR tree-optimization/70884
1163         * tree-sra.c (initialize_constant_pool_replacements): Do not check
1164         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
1165         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
1166         of constant pool data as a reason for scalarization.
1167
1168 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1169
1170         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
1171         for naked functions.
1172         (thumb1_expand_prologue): Likewise.
1173
1174 2016-05-20  Nathan Sidwell  <nathan@acm.org>
1175
1176         * config/nvptx/nptx.c (nvptx_option_override): Only set
1177         flag_toplevel_reorder, if not explicitly specified.  Set
1178         flag_no_common, unless explicitly specified.
1179
1180 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1181
1182         * calls.c (can_implement_as_sibling_call_p): Mark param
1183         reg_parm_stack_space with ATTRIBUTE_UNUSED.
1184
1185 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
1186
1187         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
1188         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
1189         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
1190         constants.
1191         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
1192         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
1193         and CASE_CONST_ANY.
1194
1195 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
1196
1197         * config/nvptx/nvptx.md (sincossf3): New pattern.
1198
1199 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1200
1201         * calls.c (maybe_complain_about_tail_call): New function.
1202         (initialize_argument_information): Call
1203         maybe_complain_about_tail_call when clearing *may_tailcall.
1204         (can_implement_as_sibling_call_p): Call
1205         maybe_complain_about_tail_call when returning false.
1206         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
1207         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
1208         if tail-call optimization fails.
1209         * cfgexpand.c (expand_call_stmt): Initialize
1210         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
1211         * gimple-pretty-print.c (dump_gimple_call): Dump
1212         gimple_call_must_tail_p.
1213         * gimple.c (gimple_build_call_from_tree): Call
1214         gimple_call_set_must_tail with the value of
1215         CALL_EXPR_MUST_TAIL_CALL.
1216         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
1217         (gimple_call_set_must_tail): New function.
1218         (gimple_call_must_tail_p): New function.
1219         * print-tree.c (print_node): Update printing of TREE_STATIC
1220         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
1221         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
1222         trailing comment listing applicable flags.
1223         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
1224
1225 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1226
1227         * calls.c (expand_call): Move "Rest of purposes for tail call
1228         optimizations to fail" to...
1229         (can_implement_as_sibling_call_p): ...this new function, and
1230         split into multiple "if" statements.
1231
1232 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1233
1234         * cfgloop.h (expected_loop_iterations_unbounded,
1235         expected_loop_iterations): Unconstify.
1236         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
1237         profile with known upper bound; return 3 when profile is absent.
1238         (expected_loop_iterations): Update.
1239
1240 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1241
1242         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
1243         and get_max_loop_iterations_int.
1244
1245 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1246
1247         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
1248         realistic upper bounds here.
1249
1250 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1251
1252         PR c++/71210
1253         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1254         calls if the LHS is variable length or has addressable type.
1255         If targets[0]->decl is a noreturn call with void return type and
1256         zero arguments, adjust fntype and remove lhs in that case.
1257
1258 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
1259
1260         PR tree-optimization/71079
1261         PR tree-optimization/71206
1262         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
1263
1264 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1265
1266         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
1267         (get_vec_alignment_for_array_decl): Likewise.
1268         (get_vec_alignment_for_record_decl): Likewise.
1269         (increase_alignment::execute): Move code to find alignment to
1270         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
1271         (type_align_map): New hash_map.
1272
1273 2016-05-20  Richard Guenther  <rguenther@suse.de>
1274
1275         PR tree-optimization/29756
1276         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
1277         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
1278         * fold-const.c (operand_equal_p): Likewise.
1279         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
1280         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
1281         * tree-inline.c (estimate_operator_cost): Likewise.
1282         * tree-pretty-print.c (dump_generic_node): Likewise.
1283         * tree-ssa-operands.c (get_expr_operands): Likewise.
1284         * cfgexpand.c (expand_debug_expr): Likewise.
1285         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
1286         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
1287         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
1288         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
1289         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
1290         (execute_update_addresses_taken): Do it.
1291
1292 2016-05-20  Richard Biener  <rguenther@suse.de>
1293
1294         PR tree-optimization/71185
1295         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
1296         register operations.
1297
1298 2016-05-20  Richard Biener  <rguenther@suse.de>
1299
1300         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
1301         gimple_seq_add_seq_without_update.
1302         (release_bb_predicate): Assert we have no operands to free.
1303         (if_convertible_loop_p_1): Calculate post dominators later.
1304         Do not free BB predicates here.
1305         (combine_blocks): Do not recompute BB predicates.
1306         (version_loop_for_if_conversion): Save BB predicates around
1307         loop versioning.
1308
1309 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1310
1311         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
1312         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
1313         code.  Ignore sibcalls on EDGE_IGNORE edges.
1314         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
1315         on edges for sibcalls that run without prologue.  The rest of the
1316         function is combined from...
1317         (fix_fake_fallthrough_edge): ... this, and ...
1318         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
1319         function argument, make it a local variable.
1320
1321 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
1322
1323         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
1324         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
1325         for 32-bit mode and SEH for 64-bit.
1326         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
1327         TARGET_64BIT_DEFAULT.
1328
1329 2016-05-19  Ryan Burn  <contact@rnburn.com>
1330
1331         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
1332         * gengtype.c (open_base_files): Add cilk.h to ifiles.
1333
1334 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
1335
1336         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1337         force pending loads from memory.
1338
1339 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1340
1341         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1342         (UNSPEC_DARN_32): New unspec constant.
1343         (UNSPEC_DARN_RAW): New unspec constant.
1344         (darn_32): New instruction.
1345         (darn_raw): New instruction.
1346         (darn): New instruction.
1347         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1348         support and documentation for this macro.
1349         (BU_P9_MISC_1): New macro definition.
1350         (BU_P9_64BIT_MISC_0): New macro definition.
1351         (BU_P9_MISC_0): New macro definition.
1352         (darn_32): New builtin definition.
1353         (darn_raw): New builtin definition.
1354         (darn): New builtin definition.
1355         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1356         RS6000_BUILTIN_0 directives to surround each occurrence of
1357         #include "rs6000-builtin.def".
1358         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1359         RS6000_BTM_64BIT flags to the returned mask, depending on
1360         configuration.
1361         (def_builtin): Correct an error in the assignments made to the
1362         debugging variable attr_string.
1363         (rs6000_expand_builtin): Add support for no-operand built-in
1364         functions.
1365         (builtin_function_type): Remove fatal_error assertion that is no
1366         longer valid.
1367         (rs6000_common_init_builtins): Add support for no-operand built-in
1368         functions.
1369         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1370         definition.
1371         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1372         definition.
1373         (RS6000_BTM_64BIT): New macro definition.
1374         * doc/extend.texi: Document __builtin_darn (void),
1375         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1376         functions.
1377
1378 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
1379
1380         * tree-vect-loop.c (vect_analyze_loop_2): Use also
1381         max_loop_iterations_int.
1382
1383 2016-05-19  Marek Polacek  <polacek@redhat.com>
1384
1385         PR tree-optimization/71031
1386         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
1387         condition and adjust the code a bit.
1388
1389 2016-05-19  Martin Liska  <mliska@suse.cz>
1390
1391         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
1392         auto_vec instead of vec.
1393
1394 2016-05-19  Martin Liska  <mliska@suse.cz>
1395
1396         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
1397
1398 2016-05-19  Martin Liska  <mliska@suse.cz>
1399
1400         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
1401
1402 2016-05-19  Martin Liska  <mliska@suse.cz>
1403
1404         * ipa-pure-const.c (set_function_state): Remove an existing
1405         funct_state.
1406         (remove_node_data): Do not free it as it's released
1407         in set_function_state.
1408
1409 2016-05-19  Martin Liska  <mliska@suse.cz>
1410
1411         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
1412         bitmap.
1413
1414 2016-05-19  Martin Liska  <mliska@suse.cz>
1415
1416         * omp-simd-clone.c (simd_clone_adjust): Release vector.
1417
1418 2016-05-19  Martin Liska  <mliska@suse.cz>
1419
1420         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
1421         an auto_vec instead of re-creating it.
1422
1423 2016-05-19  Martin Liska  <mliska@suse.cz>
1424
1425         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
1426         auto_vec instead of vec.
1427
1428 2016-05-19  Martin Liska  <mliska@suse.cz>
1429
1430         * lto-section-in.c (lto_get_section_data): Call
1431         lto_check_version with additional argument.
1432         * lto-streamer.c (lto_check_version): Add new argument.
1433         * lto-streamer.h (lto_check_version): Likewise.
1434
1435 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1436
1437         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
1438         Don't add cost of inner memory when handling sign-extended loads.
1439
1440 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
1441
1442         PR rtl-optimization/71148
1443         * cse.c (cse_main): Free dominance info.
1444         (rest_of_handle_cse): Don't free dominance info.
1445         (rest_of_handle_cse2): Likewise.
1446         (rest_of_handle_cse_after_global_opts): Likewise.
1447
1448 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1449
1450         PR target/71056
1451         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1452         NULL_TREE early if NEON is not available.  Remove now redundant check
1453         in ARM_CHECK_BUILTIN_MODE.
1454
1455 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
1456
1457         PR sanitizer/64354
1458         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
1459         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
1460         * doc/cpp.texi: Document new macros.
1461
1462 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
1463
1464         PR tree-optimization/69848
1465         * tree-vect-loop.c (vectorizable_reduction): Don't factor
1466         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
1467
1468 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1469
1470         * function.c (thread_prologue_and_epilogue_insn): Move the
1471         "goto epilogue_done" one block later.
1472
1473 2016-05-19  Richard Biener  <rguenther@suse.de>
1474
1475         PR tree-optimization/70729
1476         * passes.def: Move LIM pass before PRE.  Remove no longer
1477         required copyprop and move first DCE out of the loop pipeline.
1478
1479 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
1480
1481         PR driver/69265
1482         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
1483         (OBJS-libcommon-target): ...here.
1484         * opts-common.c: Include spellcheck.h.
1485         (cmdline_handle_error): Build a vec of valid options and use it
1486         to suggest provide hints for misspelled arguments.
1487
1488 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1489
1490         PR c++/71100
1491         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
1492         lhs if it has TREE_ADDRESSABLE type.
1493
1494 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1495
1496         PR target/71145
1497         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
1498         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
1499
1500 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1501
1502         PR ipa/69708
1503         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
1504         input for NOP_EXPR pass-through functions.
1505         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
1506         aggregate global constant VAR_DECLs in constant jump functions.
1507
1508 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1509
1510         PR ipa/69708
1511         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
1512         from TREE_READONLY parameters.
1513
1514 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1515
1516         PR ipa/69708
1517         * cgraph.h (cgraph_indirect_call_info): New field
1518         guaranteed_unmodified.
1519         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
1520         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1521         appropriate.
1522         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
1523         pass the parameter value to ipa_find_agg_cst_for_param.
1524         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
1525         guaranteed_unmodified, store AA results there instead of bailing out
1526         if present.
1527         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
1528         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
1529         (find_constructor_constant_at_offset): New function.
1530         (ipa_find_agg_cst_from_init): Likewise.
1531         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
1532         static initializers of contants, report back through a new paameter
1533         from_global_constant if that was the case.
1534         (try_make_edge_direct_simple_call): Also pass parameter value to
1535         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1536         appropriate.
1537         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
1538         (ipa_read_indirect_edge_info): Likewise.
1539         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
1540         (ipa_load_from_parm_agg): Likewise.
1541
1542 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
1543
1544         PR rtl-optimization/71150
1545         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
1546         check.
1547
1548 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1549
1550         PR target/70915
1551         * config/rs6000/constraints.md (wE constraint): New constraint
1552         for a vector constant that can be loaded with XXSPLTIB.
1553         (wM constraint): New constraint for a vector constant of a 1's.
1554         (wS constraint): New constraint for a vector constant that can be
1555         loaded with XXSPLTIB and a vector sign extend instruction.
1556         * config/rs6000/predicates.md (xxspltib_constant_split): New
1557         predicates for wE/wS constraints.
1558         (xxspltib_constant_nosplit): Likewise.
1559         (easy_vector_constant): Add support for constants that can be
1560         loaded via XXSPLTIB.
1561         (all_ones_constant): New predicate for vector constant with all
1562         1's set.
1563         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1564         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1565         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1566         instruction and possibly with a sign extension.
1567         (output_vec_const_move): Add support for XXSPLTIB. If we are
1568         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1569         instead of XXLXOR/XXLORC.
1570         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1571         operations.
1572         (rs6000_legitimize_reload_address): Likewise.
1573         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1574         constants.
1575         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1576         combine VSX_M and VSX_M2 into one iterator.
1577         (VSX_M2): Likewise.
1578         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1579         (VSINT_842): Likewise.
1580         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1581         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1582         XXSPLTIB instruction.
1583         (xxspltib_<mode>_nosplit): Likewise.
1584         (xxspltib_<mode>_split): New insn to load up constants with
1585         XXSPLTIB and a sign extend instruction.
1586         (vsx_mov<mode>): Replace single move that handled all vector types
1587         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1588         moves (when -mvsx-timode is in effect) into the main vector
1589         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1590         preferred register class (<VSr>) is listed first, and the
1591         secondary register class (<VSa>) is listed second with a '?' to
1592         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1593         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1594         that if the register was involved in a slow operation, the
1595         clear/set operation does not wait for the slow operation to
1596         finish.  Adjust the length attributes for 32-bit mode.  Use
1597         rs6000_output_move_128bit and drop the use of the string
1598         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1599         spacing so that the alternatives and attributes don't generate
1600         long lines, and put things in columns, so that it is easier to
1601         match up the operands and attributes with the insn alternatives.
1602         (vsx_mov<mode>_64bit): Likewise.
1603         (vsx_mov<mode>_32bit): Likewise.
1604         (vsx_movti_64bit): Fold movti into normal vector moves.
1605         (vsx_movti_32bit): Likewise.
1606         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1607         splat instructions.
1608         (vsx_splat_v4si_internal): Likewise.
1609         (vsx_splat_v4sf_internal): Likewise.
1610         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1611         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1612         extend vector elements.
1613         (vsx_sign_extend_hi_<mode>): Likewise.
1614         (vsx_sign_extend_si_v2di): Likewise.
1615         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1616         declaration.
1617         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1618         constraints.  Add trailing period to wL documentation.
1619
1620 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
1621
1622         PR middle-end/71020
1623         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
1624         * tree-dfa.c (replace_abnormal_ssa_names): New function.
1625         * tree-call-cdce.c: Include tree-dfa.h.
1626         (can_guard_call_p): New function, extracted from...
1627         (can_use_internal_fn): ...here.
1628         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
1629         and return void.
1630         (shrink_wrap_one_built_in_call): Likewise.
1631         (use_internal_fn): Likewise.
1632         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
1633         and return void.  Call replace_abnormal_ssa_names.
1634         (pass_call_cdce::execute): Check can_guard_call_p during the
1635         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
1636         will always change something.
1637
1638 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1639
1640         PR ipa/70646
1641         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
1642         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
1643
1644 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1645
1646         PR ipa/70646
1647         * ipa-inline.h (condition): New field size.
1648         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
1649         for comaprison and store it into the new condition.
1650         (evaluate_conditions_for_known_args): Use condition size to check
1651         access sizes for all but CHANGED conditions.
1652         (unmodified_parm_1): New parameter size_p, store access size into it.
1653         (unmodified_parm): Likewise.
1654         (unmodified_parm_or_parm_agg_item): Likewise.
1655         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
1656         (set_cond_stmt_execution_predicate): Extract access sizes and store
1657         them to conditions.
1658         (set_switch_stmt_execution_predicate): Likewise.
1659         (will_be_nonconstant_expr_predicate): Likewise.
1660         (will_be_nonconstant_predicate): Likewise.
1661         (inline_read_section): Stream condition size.
1662         (inline_write_summary): Likewise.
1663
1664 2016-05-18  Richard Biener  <rguenther@suse.de>
1665
1666         * tree-ssa-loop-im.c (determine_max_movement): Properly add
1667         condition cost to PHI cost instead of total_cost.
1668
1669 2016-05-18  Martin Liska  <mliska@suse.cz>
1670
1671         PR fortran/70856
1672         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
1673         merged variables.
1674
1675 2016-05-18  Richard Biener  <rguenther@suse.de>
1676
1677         * lto-streamer.h (LTO_major_version): Bump to 6.
1678
1679 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1680
1681         * function.c (make_split_prologue_seq, make_prologue_seq,
1682         make_epilogue_seq): New functions, factored out from...
1683         (thread_prologue_and_epilogue_insns): Here.
1684
1685 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1686
1687         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
1688         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
1689         of before.  Add a comment.
1690
1691 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
1692
1693         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
1694         expression pointer, not pointer to the pointer.
1695
1696 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1697
1698         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
1699         (avx2_pbroadcast<mode>): Add another alternative with v instead
1700         of x constraints in it, using <pbroadcast_evex_isa> isa.
1701         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
1702
1703         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
1704         constraint x instead of v in second alternative, add avx512bw
1705         alternative.
1706
1707         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
1708         constraint x instead of v in second alternative, add avx512bw
1709         alternative.
1710
1711         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
1712         constraint x instead of v in second alternative, add avx512bw
1713         alternative.
1714
1715         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
1716         avx512bw alternative.
1717
1718 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1719
1720         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
1721         array to 128 chars.
1722         (define_insn "*andnottf3"): Ditto.
1723         (define_insn "*<code><mode>3"/any_logic): Ditto.
1724         (define_insn "*<code>tf3"/any_logic): Ditto.
1725         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
1726         operand to block AVX-512VL insn variant emit when it is not enabled.
1727
1728 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1729
1730         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
1731         constraint fot SF mode.
1732
1733 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
1734             Kirill Yukhin  <kirill.yukhin@intel.com>
1735
1736         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
1737         modifiers.
1738         (define_insn "rsqrt14<mode>"): Ditto.
1739         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
1740         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
1741         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
1742         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
1743         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
1744         Ditto.
1745         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
1746         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
1747         * config/i386/i386.c (ix86_print_operand): Expand check for size
1748         override codes for Intel syntax.
1749
1750 2016-05-18  Richard Biener  <rguenther@suse.de>
1751
1752         PR tree-optimization/71168
1753         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
1754         initialization earlier.
1755
1756 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
1757
1758         * config/aarch64/aarch64-simd.md
1759         (aarch64_reduc_plus_internal<mode>): Rename to...
1760         (reduc_plus_scal): ...This, and remove previous implementation.
1761
1762 2016-05-18  Richard Biener  <rguenther@suse.de>
1763
1764         * passes.def: Put late dse and cd_dce in canonical order.
1765
1766 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
1767
1768         * ipa-inline-transform.c (preserve_function_body_p): Look for
1769         first non-thunk clone.
1770         (save_function_body): Save into first non-thunk.
1771         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
1772         up call stmt id.
1773         (lto_output_node): Inline thunks don't need body in every
1774         partition.
1775         * lto-streamer-in.c: Do not fixup thunk clones.
1776         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
1777         thunks.
1778         * tree-inline.c (copy_bb): Be prepared for target node to be new after
1779         folding suceeds.
1780
1781 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1782
1783         PR middle-end/63586
1784         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
1785         (reassociate_bb): Call transform_add_to_multiply.
1786
1787 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1788
1789         * config/aarch64/aarch64.c (all_extensions): Removed unused
1790         static variable.
1791
1792 2016-05-17  Nathan Sidwell  <nathan@acm.org>
1793
1794         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
1795         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
1796
1797 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
1798
1799         PR tree-optimization/54579
1800         PR middle-end/55299
1801         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
1802
1803 2016-05-17  Marek Polacek  <polacek@redhat.com>
1804
1805         PR ipa/71146
1806         * tree-inline.c (expand_call_inline): Call
1807         maybe_remove_unused_call_args.
1808
1809 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
1810
1811         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
1812         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
1813         * doc/md.texi (fmin@var{m}3): Likewise.
1814
1815 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1816
1817         * match.pd (X & C): New transformation.
1818
1819 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1820
1821         * match.pd (~X & Y): New transformation.
1822
1823 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1824
1825         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
1826         information for new SSA_NAME.
1827         (simplify_conversion_using_ranges): Get range through get_range_info
1828         instead of get_value_range.
1829
1830 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1831
1832         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
1833         Remove inline assembly.
1834         (vmvn_s16): Likewise.
1835         (vmvn_s32): Likewise.
1836         (vmvn_u8): Likewise.
1837         (vmvn_u16): Likewise.
1838         (vmvn_u32): Likewise.
1839         (vmvnq_s8): Likewise.
1840         (vmvnq_s16): Likewise.
1841         (vmvnq_s32): Likewise.
1842         (vmvnq_u8): Likewise.
1843         (vmvnq_u16): Likewise.
1844         (vmvnq_u32): Likewise.
1845         (vmvn_p8): Likewise.
1846         (vmvnq_p16): Likewise.
1847
1848 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1849
1850         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
1851         Use builtin.
1852         (vmul_n_s16): Likewise.
1853         (vmul_n_s32): Likewise.
1854         (vmul_n_u16): Likewise.
1855         (vmul_n_u32): Likewise.
1856         (vmulq_n_f32): Likewise.
1857         (vmulq_n_f64): Likewise.
1858         (vmulq_n_s16): Likewise.
1859         (vmulq_n_s32): Likewise.
1860         (vmulq_n_u16): Likewise.
1861         (vmulq_n_u32): Likewise.
1862
1863 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1864
1865         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
1866         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
1867
1868 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1869
1870         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
1871         to *aarch64_fma4_elt_from_dup<mode>.
1872         (*aarch64_fnma4_elt_to_128df): Rename to
1873         *aarch64_fnma4_elt_from_dup<mode>.
1874         * config/aarch64/arm_neon.h (vfma_n_f64): New.
1875         (vfms_n_f32): Likewise.
1876         (vfms_n_f64): Likewise.
1877         (vfmsq_n_f32): Likewise.
1878         (vfmsq_n_f64): Likewise.
1879
1880 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
1881
1882         * wide-int.h: Change fixed_wide_int_storage from class to struct.
1883
1884 2016-05-17  Richard Biener  <rguenther@suse.de>
1885
1886         PR tree-optimization/71132
1887         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
1888         Only add control dependences for blocks in the loop.
1889         (build_rdg): Adjust.
1890         (generate_code_for_partition): Return whether loop should
1891         be destroyed and delay that.
1892         (distribute_loop): Likewise.
1893         (pass_loop_distribution::execute): Record loops to be destroyed
1894         and perform delayed destroying of loops.
1895
1896 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1897
1898         PR target/70809
1899         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
1900
1901 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1902
1903         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
1904
1905 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
1906
1907         PR target/71114
1908         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
1909         insertion point for instructions generated by validize_mem.
1910
1911 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1912
1913         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
1914         in brackets.
1915
1916 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1917
1918         * config/aarch64/aarch64.c
1919         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
1920         rather than a macro.
1921
1922 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1923
1924         * doc/invoke.texi (AArch64 Options): Various updates.
1925
1926 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1927
1928         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
1929         into instrumentation thunks.
1930         * cif-code.def (CIF_CHKP): New.
1931
1932 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
1933
1934         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
1935
1936 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1937
1938         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
1939         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
1940
1941 2016-05-16  Marek Polacek  <polacek@redhat.com>
1942
1943         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
1944         commentary.
1945
1946 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1947
1948         PR hsa/70857
1949         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
1950         the outlined kernel function.
1951
1952 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
1953
1954         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
1955         (ISA_HAS_DLSA): Ditto.
1956
1957 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1958
1959         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
1960
1961 2016-05-16  Nathan Sidwell  <nathan@acm.org>
1962
1963         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
1964         (nvptx_name_replacement): Restore.  Add comment.
1965         (write_fn_proto, write_fn_proto_from_insn,
1966         nvptx_output_call_insn): Restore
1967         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
1968
1969 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1970
1971         * config/aarch64/aarch64.md
1972         (add<mode>3_compareC_cconly_imm): Remove use of %w.
1973         (add<mode>3_compareC_imm): Likewise.
1974         (<optab>si3_uxtw): Split into register and immediate variants.
1975         (andsi3_compare0_uxtw): Likewise.
1976         (and<mode>3_compare0): Likewise.
1977         (and<mode>3nr_compare0): Likewise.
1978         (stack_protect_test_<mode>): Don't use %x for memory operands.
1979
1980 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1981
1982         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
1983
1984 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1985
1986         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
1987         Split integer shifts into shift_reg and bfm.
1988         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
1989         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
1990         (ror<mode>3_insn): Likewise.
1991         (<optab>si3_insn_uxtw): Likewise.
1992         (<optab><mode>3_insn): Change to rotate_imm.
1993         (extr<mode>5_insn_alt): Likewise.
1994         (extrsi5_insn_uxtw): Likewise.
1995         (extrsi5_insn_uxtw_alt): Likewise.
1996
1997 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1998
1999         * doc/tm.texi: Regenerate.
2000         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
2001         (TARGET_INVALID_RETURN_TYPE): Remove.
2002         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
2003         TARGET_INVALID_RETURN_TYPE.
2004         * target.def (invalid_parameter_type): Remove.
2005         (invalid_return_type): Remove.
2006
2007 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
2008
2009         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
2010         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
2011         calls from thunk.
2012         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
2013         gimple body.
2014         (preserve_function_body_p): No need to preserve function body
2015         * cif-codes.def (CIF_THUNK): Remove.
2016         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
2017
2018 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
2019
2020         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
2021
2022 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
2023
2024         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
2025         for thunks.
2026
2027 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
2028
2029         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
2030         (inline_small_functions): Do not look for function symbol when
2031         resetting caches.
2032
2033 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
2034
2035         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
2036         of inline thunks
2037
2038 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2039             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2040             Jiong Wang  <jiong.wang@arm.com>
2041
2042         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
2043         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
2044         Define __ARM_FP16_ARGS when appropriate.
2045         * config/arm/arm.c (arm_invalid_parameter_type): Remove
2046         declaration.
2047         (arm_invalid_return_type): Likewise.
2048         (TARGET_INVALID_PARAMETER_TYPE): Remove.
2049         (TARGET_INVALID_RETURN_TYPE): Remove.
2050         (aapcs_vfp_sub_candidate): Allow HFmode.
2051         (aapcs_vfp_allocate): Add comment.  Support HFmode.
2052         (aapcs_vfp_allocate_return_reg): Likewise.
2053         (struct aapcs_cp_arg_layout): Slightly reword comments for
2054         is_return_candidate and allocate_return_reg.
2055         (output_mov_vfp): Update assert.
2056         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
2057         condition.
2058         (arm_invalid_parameter_type): Remove.
2059         (amr_invalid_return_type): Remove.
2060         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
2061         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
2062         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
2063
2064 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2065
2066         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
2067         * config/aarch64/arch64-protos.h
2068         (aarch64_legitimize_reload_address): Remove.
2069         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
2070         Remove.
2071
2072 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
2073
2074         * configure.ac: Add ACX_NONCANONICAL_HOST.
2075         * configure: Regenerate.
2076         * Makefile.in: Set host_noncanonical.
2077
2078 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
2079
2080         PR target/71097
2081         * config/i386/i386.md (*movtf_internal): Before register allocation,
2082         do not allow FP constants for CM_MEDIUM memory model, allow only
2083         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
2084         (*movxf_internal): Ditto.
2085         (*movdf_internal): Ditto.
2086         (*movsf_internal): Ditto.
2087
2088 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
2089
2090         PR rtl-optimization/67483
2091         * combine.c (make_compound_operation): Don't call extract_left_shift
2092         with negative shift amounts.
2093
2094 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR bootstrap/71071
2097         * fold-const.c (fold_checksum_tree): Allow modification
2098         of TYPE_ALIAS_SET during folding.
2099
2100         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
2101         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
2102         (ix86_split_to_parts): Likewise.  Fix up formatting.
2103
2104 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2105
2106         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
2107         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
2108         printf format.
2109
2110 2016-05-13  Nathan Sidwell  <nathan@acm.org>
2111
2112         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
2113         (nvptx_name_replacement): Delete.
2114         (write_fn_proto, write_fn_proto_from_insn,
2115         nvptx_output_call_insn): Remove nvptx_name_replacement call.
2116         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
2117         * langhooks.c (add_builtin_funcction_common): Call
2118         targetm.mangle_decl_assembler_name.
2119
2120         * config/nvptx/nvptx.c (write_fn_proto): Handle
2121         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
2122
2123 2016-05-13  Martin Liska  <mliska@suse.cz>
2124
2125         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
2126         and PRIu64 in printf format.
2127
2128 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2129
2130         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
2131         comment.
2132
2133 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2134
2135         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2136         Change --param max-completely-peeled-times to
2137         --param max-completely-peel-times in dump file printing.
2138
2139 2016-05-13  Richard Biener  <rguenther@suse.de>
2140
2141         PR tree-optimization/42587
2142         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
2143         (find_bswap_or_nop_1): Likewise.
2144         (bswap_replace): Likewise.
2145
2146 2016-05-13  Martin Liska  <mliska@suse.cz>
2147
2148         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
2149         Initialize a variable with default value.
2150
2151 2016-05-13  Martin Liska  <mliska@suse.cz>
2152
2153         * doc/invoke.texi: Enhance explanation of error recovery
2154         of sanitizers.
2155
2156 2016-05-13  Martin Liska  <mliska@suse.cz>
2157
2158         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
2159         (struct cost_pair): Change inv_expr_id (int) to inv_expr
2160         (iv_inv_expr_ent *).
2161         (struct iv_inv_expr_ent): Comment struct fields.
2162         (sort_iv_inv_expr_ent): New function.
2163         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
2164         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
2165         a hash_map between iv_inv_expr_ent and number of usages.
2166         (niter_for_exit): Fix coding style.
2167         (tree_ssa_iv_optimize_init): Use renamed variable.
2168         (determine_base_object): Fix coding style.
2169         (alloc_iv): Likewise.
2170         (find_interesting_uses_outside): Likewise.
2171         (add_candidate_1): Likewise.
2172         (add_standard_iv_candidates): Likewise.
2173         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
2174         (prepare_decl_rtl): Fix coding style.
2175         (get_address_cost): Likewise.
2176         (get_shiftadd_cost): Likewise.
2177         (force_expr_to_var_cost): Likewise.
2178         (compare_aff_trees): Likewise.
2179         (get_expr_id): Restructure the function.
2180         (get_loop_invariant_expr_id): Renamed to
2181         get_loop_invariant_expr.
2182         (get_computation_cost_at): Replace usage of inv_expr_id with
2183         inv_expr.
2184         (get_computation_cost): Likewise.
2185         (determine_group_iv_cost_generic): Likewise.
2186         (determine_group_iv_cost_address): Likewise.
2187         (iv_period): Fix coding style.
2188         (iv_elimination_compare_lt): Likewise.
2189         (may_eliminate_iv): Likewise.
2190         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
2191         inv_expr.
2192         (determine_group_iv_costs): Dump invariant expressions.
2193         (iv_ca_recount_cost): Use the newly added hash_map.
2194         (iv_ca_set_remove_invariants): Fix coding style.
2195         (iv_ca_set_add_invariants): Fix coding style.
2196         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
2197         invariants.
2198         (iv_ca_set_cp): Likewise.
2199         (iv_ca_new): Initialize the newly added hash_map and remove
2200         initialization of fields.
2201         (iv_ca_free): Delete the hash_map.
2202         (iv_ca_dump): Dump invariant expressions.
2203         (iv_ca_extend): Fix coding style.
2204         (try_add_cand_for): Likewise.
2205         (create_new_ivs): Dump information about # of avg iterations and
2206         # of used invariant expressions.
2207         (rewrite_use_compare): Fix coding style.
2208         (free_loop_data): Set default value for max_inv_expr_id.
2209
2210 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2211
2212         * cse.c (rest_of_handle_cse): Use cleanup_cfg
2213         returned value cse_cfg_altered computation.
2214         (rest_of_handle_cse2): Likewise.
2215         (rest_of_handle_cse_after_global_opts): Likewise.
2216
2217 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2218
2219         PR target/53440
2220         * config/arm/arm.c (arm32_output_mi_thunk): New.
2221         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
2222         to split Thumb1 vs TARGET_32BIT functionality.
2223         (arm_thumb1_mi_thunk): New.
2224
2225 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2226
2227         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
2228         to true.
2229
2230 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2231
2232         PR target/71080
2233         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
2234
2235 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
2236
2237         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
2238         (expand_builtin_trap): Emit a regular call.
2239         (set_builtin_user_assembler_name): Remove obsolete cases.
2240         * dse.c (scan_insn): Adjust.
2241         * except.c: Include calls.h.
2242         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
2243         emit a regular call to setjmp.
2244         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
2245         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
2246         (emit_block_move_via_libcall): Delete.
2247         (block_move_fn): Delete.
2248         (init_block_move_fn): Likewise.
2249         (emit_block_move_libcall_fn): Likewise.
2250         (emit_block_op_via_libcall): New function.
2251         (set_storage_via_libcall): Tidy up and use memset builtin.
2252         (block_clear_fn): Delete.
2253         (init_block_clear_fn): Likewise.
2254         (clear_storage_libcall_fn): Likewise.
2255         (expand_assignment): Call emit_block_move_via_libcall.
2256         Do not include gt-expr.h.
2257         * expr.h (emit_block_op_via_libcall): Declare.
2258         (emit_block_copy_via_libcall): New inline function.
2259         (emit_block_move_via_libcall): Likewise.
2260         (emit_block_comp_via_libcall): Likewise.
2261         (block_clear_fn): Delete.
2262         (init_block_move_fn): Likewise.
2263         (init_block_clear_fn): Likewise.
2264         (emit_block_move_via_libcall): Likewise.
2265         (set_storage_via_libcall): Add default parameter value.
2266         * libfuncs.h (enum libfunc_index): Remove obsolete values.
2267         (abort_libfunc): Delete.
2268         (memcpy_libfunc): Likewise.
2269         (memmove_libfunc): Likewise.
2270         (memcmp_libfunc): Likewise.
2271         (memset_libfunc): Likewise.
2272         (setbits_libfunc): Likewise.
2273         (setjmp_libfunc): Likewise.
2274         (longjmp_libfunc): Likewise.
2275         (profile_function_entry_libfunc): Likewise.
2276         (profile_function_exit_libfunc): Likewise.
2277         (gcov_flush_libfunc): Likewise.
2278         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
2279         and DECL_VISIBILITY on the declaration.
2280         (init_optabs): Do not initialize obsolete libfuncs.
2281         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
2282         * tree-core.h (ECF_RET1): Define.
2283         (ECF_TM_PURE): Adjust.
2284         (ECF_TM_BUILTIN): Likewise.
2285         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
2286         (build_common_builtin_nodes): Initialize abort builtin.
2287         Add ECF_RET1 on memcpy, memmove and memset builtins.
2288         Pass final flags for alloca and alloca_with_align builtins.
2289         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
2290         obsolete builtins.
2291         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
2292         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
2293         set_storage_via_libcall and call emit_block_copy_via_libcall.
2294
2295 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
2296
2297         * config/i386/i386.md (*call_got_x32): Change operand 0 to
2298         DImode before it is passed to ix86_output_call_operand.
2299         (*call_value_got_x32): Ditto for operand 1.
2300
2301 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
2302
2303         PR rtl-optimization/70904
2304         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
2305         reload for wide mode.
2306
2307 2016-05-12  Marek Polacek  <polacek@redhat.com>
2308
2309         PR c/70756
2310         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
2311         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
2312         * langhooks.h (incomplete_type_error): Likewise.
2313         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
2314         parameter, pass it down to incomplete_type_error.
2315         * tree.h (size_in_bytes): New inline overload.
2316         (size_in_bytes_loc): Renamed from size_in_bytes.
2317
2318 2016-05-12  Richard Biener  <rguenther@suse.de>
2319
2320         PR tree-optimization/71059
2321         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
2322         nary before looking up or entering the expression into the VN
2323         hashes.
2324         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
2325         Make sure to re-use NARYs without result as inserted by
2326         phi-translation.
2327
2328 2016-05-12  Richard Biener  <rguenther@suse.de>
2329
2330         PR tree-optimization/71062
2331         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
2332         field.
2333         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2334         vars_contains_restrict if the var is a restrict tag.
2335         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
2336         do not disambiguate pointers against it.
2337         (dump_points_to_solution): Re-structure and adjust for new
2338         vars_contains_restrict flag.
2339         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
2340
2341 2016-05-12  Martin Liska  <mliska@suse.cz>
2342
2343         * doc/invoke.texi: Explain connection between
2344         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
2345
2346 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2347
2348         PR tree-optimization/71006
2349         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2350         consider COND_EXPR as a mask producer.
2351
2352 2016-05-12  Marek Polacek  <polacek@redhat.com>
2353
2354         PR driver/71063
2355         * opts.c (common_handle_option): Detect missing argument for --help^.
2356
2357 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2358
2359         PR target/70830
2360         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2361         when popping the PC and within an interrupt handler routine.
2362         Add missing tab to output of "ldmfd".
2363         (output_return_instruction): Output LDMFD with SP update rather
2364         than POP when returning from interrupt handler.
2365
2366 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
2367
2368         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
2369         TARGET_64BIT && TARGET_AVX512DQ.
2370         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
2371         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
2372         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
2373         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
2374         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
2375         (*vec_extractv4si_zext): Add avx512dq alternative.
2376         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
2377         use v instead of x constraint in other alternatives where possible.
2378
2379         * config/i386/sse.md (sse2_loadld): Use v instead of x
2380         constraint in alternatives 0,1,4.
2381
2382         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
2383         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
2384         v constraints instead of x and <pinsr_evex_isa> isa attribute.
2385
2386         PR target/71019
2387         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
2388         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
2389         is not emitted unless TARGET_AVX512BW.
2390         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
2391         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
2392         for the result operand.
2393
2394         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
2395         constraint instead of x in avx alternatives.  Use maybe_evex instead
2396         of vex prefix.
2397
2398         * config/i386/constraints.md (Yv): New constraint.
2399         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
2400         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
2401         * config/i386/i386.md (avx512fvecmode): New mode attr.
2402         (*pushtf): Use v constraint instead of x.
2403         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
2404         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
2405         (*absneg<mode>2): Use Yv constraint instead of x constraint.
2406         (*absnegtf2_sse): Likewise.
2407         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
2408         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
2409         avx512f alternatives.
2410         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
2411
2412 2016-05-12  Richard Biener  <rguenther@suse.de>
2413
2414         PR tree-optimization/71060
2415         * tree-data-ref.c (initialize_data_dependence_relation): Do not
2416         require exact match of DR_BASE_OBJECT but only matching address and
2417         type.
2418
2419 2016-05-12  Richard Biener  <rguenther@suse.de>
2420
2421         PR tree-optimization/70986
2422         * cfganal.c: Include cfgloop.h.
2423         (dfs_find_deadend): Prefer to take edges exiting loops.
2424
2425 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2426
2427         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
2428         compile and run time.
2429
2430 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
2431
2432         PR c/43651
2433         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
2434
2435 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
2436
2437         * config/i386/i386.c (legitimize_pic_address): Use
2438         copy_to_suggested_reg instead of gen_movsi.
2439
2440 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2441
2442         * config/rs6000/predicates.md (quad_memory_operand): Move most of
2443         the code into quad_address_p and call it to share code with
2444         vsx_quad_dform_memory_operand.
2445         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
2446         d-form support.
2447         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
2448         bit instead of being a separate word.  Split -mpower9-dform into
2449         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2450         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
2451         for the register class supporting 128-bit quad word memory offsets.
2452         (mode_supports_vsx_dform_quad): Helper function to return if the
2453         register class uses quad word memory offsets.
2454         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
2455         (rs6000_debug_reg_global): Always print if we are using LRA or not.
2456         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
2457         instructions are enabled, set up the appropriate addr_masks for
2458         128-bit types.
2459         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
2460         -mpower9-dform-scalar, instead of -mpower9-dform.
2461         (rs6000_option_override_internal): Split -mpower9-dform into two
2462         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
2463         -mpower9-dform switch sets or clears both.  If we are not using
2464         the LRA register allocator, do not enable -mpower9-dform-vector by
2465         default.  If we are using LRA, enable -mpower9-dform-vector and
2466         -mvsx-timode if it is appropriate.  Issue a warning if either
2467         -mpower9-dform-vector or -mvsx-timode are explicitly used without
2468         enabling LRA.
2469         (quad_address_offset_p): New helper function to return if the
2470         offset is legal for quad word memory instructions.
2471         (quad_address_p): New function to determin if GPR or vector
2472         register quad word memory addresses are legal.
2473         (mem_operand_gpr): Validate quad word address offsets.
2474         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
2475         d-form (register + offset) instructions.
2476         (offsettable_ok_by_alignment): Likewise.
2477         (rs6000_legitimate_offset_address_p): Likewise.
2478         (legitimate_lo_sum_address_p): Likewise.
2479         (rs6000_legitimize_address): Likewise.
2480         (rs6000_legitimize_reload_address): Add more debug statements for
2481         -mdebug=addr.
2482         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
2483         d-form instructions.
2484         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
2485         d-form instructions.  Distinguish different cases in debug
2486         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
2487         d-form instructions.
2488         (rs6000_preferred_reload_class): Likewise.
2489         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
2490         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
2491         of the ISA 2.06 indexed memory instructions.
2492         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
2493         use them to save/restore the saved vector registers instead of
2494         using Altivec instructions.
2495         (rs6000_emit_epilogue): Likewise.
2496         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
2497         (rs6000_opt_masks): Split -mpower9-dform into
2498         -mpower9-dform-scalar and -mpower9-dform-vector.
2499         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
2500         was not selected.
2501         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
2502         ISA 3.0 vector indexed memory instructions, and fold the code into
2503         the normal mov<mode> patterns.
2504         (p9_vecstore_<mode>): Likewise.
2505         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
2506         instructions.
2507         (vsx_movti_64bit): Likewise.
2508         (vsx_movti_32bit): Likewise.
2509         * config/rs6000/constraints.md (wO constraint): New constraint for
2510         ISA 3.0 vector d-form support.
2511         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
2512         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
2513         include -mpower9-dform-vector until we switch over to LRA.
2514         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
2515         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2516         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
2517         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2518         for -mpower9-dform and -mlra.
2519         * doc/md.texi (wO constraint): Document wO constraint.
2520
2521 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
2522
2523         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
2524         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
2525         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
2526         Move handling of non-insn arguments inline into the sole user:
2527         (output_trans_func): ...here.
2528         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
2529         in emitted function prototype.
2530         (output_internal_insn_latency_func): Ditto.  Simplify.
2531         (output_internal_maximal_insn_latency_func): Ditto.  Delete
2532         always-unused argument.
2533         (output_insn_latency_func): Ditto.
2534         (output_maximal_insn_latency_func): Ditto.
2535
2536 2016-05-11  Richard Biener  <rguenther@suse.de>
2537
2538         PR tree-optimization/71055
2539         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
2540         sth with precision not equal to access size verify we don't chop
2541         off bits.
2542
2543 2016-05-11  Richard Biener  <rguenther@suse.de>
2544
2545         PR debug/71057
2546         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
2547         (dwarf2out_finish): Move retry_incomplete_types call ...
2548         (dwarf2out_early_finish): ... here.
2549
2550 2016-05-11  Richard Biener  <rguenther@suse.de>
2551
2552         PR middle-end/71002
2553         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
2554         if the langhook insists on it.
2555         * fold-const.c (make_bit_field_ref): Add arg for the original
2556         reference and preserve its alias-set.
2557         (decode_field_reference): Take exp by reference and adjust it
2558         to the original memory reference.
2559         (optimize_bit_field_compare): Adjust callers.
2560         (fold_truth_andor_1): Likewise.
2561         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
2562
2563 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2564
2565         PR middle-end/70807
2566         * cfgrtl.h (delete_insn_and_edges): Now return bool.
2567         * cfgrtl.c (delete_insn_and_edges): Likewise.
2568         * config/i386/i386.c (convert_scalars_to_vector): Remove
2569         redundant code.
2570         * cse.c (cse_insn): Compute cse_cfg_altered.
2571         (delete_trivially_dead_insns): Likewise.
2572         (cse_cc_succs): Likewise.
2573         (rest_of_handle_cse): Free dominance info if required.
2574         (rest_of_handle_cse2): Likewise.
2575         (rest_of_handle_cse_after_global_opts): Likewise.
2576
2577 2016-05-11  Alan Modra  <amodra@gmail.com>
2578
2579         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2580         abi_v4_pass_in_fpr): New functions.
2581         (rs6000_function_arg_boundary): Exclude complex IBM long double
2582         from 64-bit alignment when ABI_V4.
2583         (rs6000_function_arg, rs6000_function_arg_advance_1,
2584         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2585
2586 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
2587
2588         PR rtl-optimization/71028
2589         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
2590         jump with just a return in the fallthrough block if the branch
2591         block contains just a return as well.
2592
2593 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
2594
2595         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
2596         * match.pd ((X & Y) ^ Y): ... this.
2597         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
2598         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
2599
2600 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2601
2602         * read-md.c (require_char_ws): New function.
2603         (read_string): Simplify using require_char_ws.
2604         (handle_constants): Likewise.
2605         (handle_enum): Likewise.
2606         (handle_file): Likewise.
2607         * read-md.h (require_char_ws): New declaration.
2608         * read-rtl.c (read_conditions): Simplify using require_char_ws.
2609         (read_mapping): Likewise.
2610         (read_rtx_code): Likewise.
2611         (read_nested_rtx): Likewise.
2612
2613 2016-05-10  James Norris  <jnorris@codesourcery.com>
2614
2615         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2616         if offloading is enabled and -fopenacc or -fopenmp is specified.
2617         (CRTOFFLOADEND): Likewise.
2618         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2619         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2620
2621 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
2622
2623         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
2624         gotoff_operand code paths.  Use copy_to_suggested_regs and
2625         expand_simple_binop where appropriate.  Cleanup.
2626
2627 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2628
2629         PR target/70799
2630         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
2631         integer constants.
2632         (dimode_scalar_chain::vector_const_cost): New.
2633         (dimode_scalar_chain::compute_convert_gain): Handle constants.
2634         (dimode_scalar_chain::convert_op): Likewise.
2635         (dimode_scalar_chain::convert_insn): Likewise.
2636
2637 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2638
2639         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
2640         unary operation, not a binary one.
2641
2642 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2643
2644         PR middle-end/70877
2645         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2646         calls with type casted fndecl.
2647
2648 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2649
2650         PR tree-optimization/70786
2651         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2652         * calls.c (initialize_argument_information): Bind bounds
2653         with corresponding args passed by reference.
2654
2655 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR target/70927
2658         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
2659         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
2660         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
2661         accordingly.
2662
2663 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2664
2665         PR target/70963
2666         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2667         code for a zero scale factor.
2668         (vsx_xvcvdpuxds_scale): Likewise.
2669
2670 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2671
2672         * diagnostic-show-locus.c (layout::layout): Call show_ruler
2673         if show_ruler_p was set on the context.
2674         (layout::show_ruler): New method.
2675         * diagnostic.h (struct diagnostic_context): Add field
2676         "show_ruler_p".
2677
2678 2016-05-10  Richard Biener  <rguenther@suse.de>
2679
2680         PR tree-optimization/71039
2681         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
2682         (chk_uses): New function.
2683         (propagate_with_phi): Verify we can safely replicate the lhs of an
2684         aggregate assignment on all incoming edges.
2685
2686 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
2687
2688         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
2689         Forward declare.
2690         (rx_atomic_sequence): New class.
2691         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
2692         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
2693         non-inline.
2694         (rx_atomic_sequence::rx_atomic_sequence,
2695         rx_atomic_sequence::~rx_atomic_sequence): New functions.
2696         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
2697         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
2698         CTRLREG_INTB): New constants.
2699         (FETCHOP): New code iterator.
2700         (fethcop_name, fetchop_name2): New iterator code attributes.
2701         (QIHI): New mode iterator.
2702         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
2703         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
2704         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
2705
2706 2016-05-10  Martin Liska  <mliska@suse.cz>
2707
2708         * tree-inline.c (remap_dependence_clique): Do not remap
2709         debugging statements.
2710
2711 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2712
2713         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2714         ("*fixuns_truncdfdi2_z13")
2715         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2716         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2717         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2718
2719 2016-05-10  Richard Biener  <rguenther@suse.de>
2720
2721         PR tree-optimization/70497
2722         PR tree-optimization/28367
2723         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
2724         split out from ...
2725         (visit_reference_op_load): ... here.
2726         (vn_reference_lookup_3): Use it to handle subreg-like accesses
2727         with simplified BIT_FIELD_REFs.
2728         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
2729         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
2730         correctly.
2731
2732 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2733
2734         * dwarf2out.c (add_abstract_origin_attribute): Adjust
2735         documentation comment.  For BLOCK nodes, add a
2736         DW_AT_abstract_origin attribute that points to the DIE generated
2737         for the origin BLOCK.
2738         (gen_lexical_block_die): Call add_abstract_origin_attribute for
2739         blocks from inlined functions.
2740
2741 2016-05-10  Alan Modra  <amodra@gmail.com>
2742
2743         PR target/70947
2744         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2745         regrename modifying insns saving lr before __morestack call.
2746         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2747         insns restoring lr after __morestack call.
2748
2749 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
2750
2751         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
2752         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
2753         expanders.
2754         * config/i386/sse.md (vec_interleave_high<mode>,
2755         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
2756         <avx512>_vpermt2var<mode>3_maskz): Likewise.
2757
2758 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2759
2760         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
2761         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
2762         parallel reassociation for power8 and forward.
2763
2764 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2765
2766         * config/i386/i386.md (absneg splitters with general regs): Use
2767         general_reg_operand predicate.
2768         (btsq peephole2): Use x86_64_immediate_operand to check if new
2769         value is suitable for immediate operand.  Generate emitted insn
2770         using RTL expressions.
2771         (btcq peephole2): Ditto.
2772         (btrq peephole2): Ditto.  Generate correct immediate operand
2773         for AND masking.
2774
2775 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2776
2777         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
2778         bitpos.
2779
2780 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2781
2782         * tree-affine.c (wide_int_constant_multiple_p): Add missing
2783         pointer dereference.
2784
2785 2016-05-09  Richard Biener  <rguenther@suse.de>
2786
2787         PR tree-optimization/70985
2788         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
2789         op0 isn't a gimple register.
2790
2791 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
2792
2793         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
2794         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
2795         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
2796         (i6400_fpu_mult): New cpu units.
2797         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
2798         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
2799         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
2800         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
2801         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
2802         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
2803         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
2804         (i6400_msa_long_float4, i6400_msa_long_float5)
2805         (i6400_msa_long_float8, i6400_msa_fdiv_df)
2806         (i6400_msa_fdiv_sf): New reservations.
2807         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
2808         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
2809         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
2810         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
2811         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
2812         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
2813         (msa_short_cmp, msa_short_float2, msa_short_logic3)
2814         (msa_short_store4, msa_long_load, msa_short_store)
2815         (msa_long_logic, msa_long_float2, msa_long_float4)
2816         (msa_long_float5, msa_long_float8, msa_long_mult)
2817         (msa_long_fdiv, msa_long_div): New reservations.
2818
2819 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
2820             Sameera Deshpande  <sameera.deshpande@imgtec.com>
2821             Matthew Fortune  <matthew.fortune@imgtec.com>
2822             Graham Stott  <graham.stott@imgtec.com>
2823             Chao-ying Fu  <chao-ying.fu@imgtec.com>
2824
2825         * config.gcc: Add MSA header file for mips*-*-* target.
2826         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
2827         (Ubv8i, Urv8):  New constraints.
2828         * config/mips/mips-ftypes.def: Add function types for MSA
2829         builtins.
2830         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
2831         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
2832         * config/mips/mips-msa.md: New file.
2833         * config/mips/mips-protos.h
2834         (mips_split_128bit_const_insns): New prototype.
2835         (mips_msa_idiv_insns): Likewise.
2836         (mips_split_128bit_move): Likewise.
2837         (mips_split_128bit_move_p): Likewise.
2838         (mips_split_msa_copy_d): Likewise.
2839         (mips_split_msa_insert_d): Likewise.
2840         (mips_split_msa_fill_d): Likewise.
2841         (mips_expand_msa_branch): Likewise.
2842         (mips_const_vector_same_val_p): Likewise.
2843         (mips_const_vector_same_bytes_p): Likewise.
2844         (mips_const_vector_same_int_p): Likewise.
2845         (mips_const_vector_shuffle_set_p): Likewise.
2846         (mips_const_vector_bitimm_set_p): Likewise.
2847         (mips_const_vector_bitimm_clr_p): Likewise.
2848         (mips_msa_vec_parallel_const_half): Likewise.
2849         (mips_msa_output_division): Likewise.
2850         (mips_ldst_scaled_shift): Likewise.
2851         (mips_expand_vec_cond_expr): Likewise.
2852         * config/mips/mips.c (enum mips_builtin_type): Add
2853         MIPS_BUILTIN_MSA_TEST_BRANCH.
2854         (mips_gen_const_int_vector_shuffle): New prototype.
2855         (mips_const_vector_bitimm_set_p): New function.
2856         (mips_const_vector_bitimm_clr_p): Likewise.
2857         (mips_const_vector_same_val_p): Likewise.
2858         (mips_const_vector_same_bytes_p): Likewise.
2859         (mips_const_vector_same_int_p): Likewise.
2860         (mips_const_vector_shuffle_set_p): Likewise.
2861         (mips_symbol_insns): Forbid loading symbols via immediate for
2862         MSA.
2863         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
2864         stores.
2865         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
2866         MSA.
2867         (mips_lx_address_p): Add support load indexed address for MSA.
2868         (mips_address_insns): Add calculation of instructions needed for
2869         stores and loads for MSA.
2870         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
2871         CONST_VECTOR for MSA and let it fall through.
2872         (mips_ldst_scaled_shift): New function.
2873         (mips_subword_at_byte): Likewise.
2874         (mips_msa_idiv_insns): Likewise.
2875         (mips_legitimize_move): Validate MSA moves.
2876         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
2877         calculation of costs for MSA division.
2878         (mips_split_move_p): Check if MSA moves need splitting.
2879         (mips_split_move): Split MSA moves if necessary.
2880         (mips_split_128bit_move_p): New function.
2881         (mips_split_128bit_move): Likewise.
2882         (mips_split_msa_copy_d): Likewise.
2883         (mips_split_msa_insert_d): Likewise.
2884         (mips_split_msa_fill_d): Likewise.
2885         (mips_output_move): Handle MSA moves.
2886         (mips_expand_msa_branch): New function.
2887         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
2888         Reinstate 'y' modifier.
2889         (mips_file_start): Add MSA .gnu_attribute.
2890         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
2891         FPRs.
2892         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
2893         (mips_class_max_nregs): Add register size for MSA supported mode.
2894         (mips_cannot_change_mode_class): Allow conversion between MSA
2895         vector modes and TImode.
2896         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
2897         instruction.
2898         (mips_secondary_reload_class): Force MSA loads/stores via memory.
2899         (mips_preferred_simd_mode): Add preffered modes for MSA.
2900         (mips_vector_mode_supported_p): Add MSA supported modes.
2901         (mips_autovectorize_vector_sizes): New function.
2902         (mips_msa_output_division): Likewise.
2903         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
2904         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
2905         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
2906         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
2907         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
2908         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
2909         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
2910         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
2911         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
2912         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
2913         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
2914         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
2915         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
2916         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
2917         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
2918         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
2919         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
2920         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
2921         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
2922         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
2923         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
2924         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
2925         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
2926         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
2927         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
2928         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
2929         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
2930         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
2931         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
2932         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
2933         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
2934         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
2935         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
2936         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
2937         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
2938         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
2939         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
2940         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
2941         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
2942         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
2943         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
2944         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
2945         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
2946         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
2947         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2948         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2949         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2950         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2951         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2952         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2953         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2954         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2955         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
2956         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
2957         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
2958         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
2959         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
2960         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
2961         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
2962         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
2963         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
2964         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
2965         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
2966         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
2967         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
2968         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
2969         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
2970         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
2971         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
2972         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
2973         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
2974         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
2975         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
2976         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
2977         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
2978         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
2979         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
2980         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
2981         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
2982         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
2983         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
2984         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
2985         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
2986         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
2987         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
2988         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
2989         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
2990         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
2991         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
2992         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
2993         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
2994         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
2995         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
2996         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
2997         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
2998         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
2999         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
3000         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
3001         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
3002         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
3003         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
3004         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
3005         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
3006         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
3007         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
3008         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
3009         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
3010         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
3011         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
3012         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
3013         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
3014         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
3015         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
3016         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
3017         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
3018         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
3019         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
3020         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
3021         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
3022         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
3023         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
3024         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
3025         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
3026         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
3027         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
3028         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
3029         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
3030         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
3031         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
3032         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
3033         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
3034         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
3035         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
3036         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
3037         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
3038         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
3039         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
3040         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
3041         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
3042         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
3043         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
3044         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
3045         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
3046         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
3047         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
3048         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
3049         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
3050         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
3051         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
3052         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
3053         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
3054         move_v builtins.
3055         (mips_get_builtin_decl_index): New array.
3056         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
3057         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
3058         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
3059         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
3060         (mips_init_builtins): Initialize mips_get_builtin_decl_index
3061         array.
3062         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
3063         hook.
3064         (mips_expand_builtin_insn): Prepare operands for
3065         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
3066         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
3067         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
3068         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
3069         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
3070         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
3071         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
3072         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
3073         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
3074         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
3075         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
3076         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
3077         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
3078         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
3079         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
3080         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
3081         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
3082         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
3083         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
3084         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
3085         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
3086         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
3087         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
3088         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
3089         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
3090         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
3091         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
3092         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
3093         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
3094         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
3095         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
3096         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
3097         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
3098         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
3099         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
3100         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
3101         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
3102         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
3103         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
3104         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
3105         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
3106         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
3107         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
3108         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
3109         These are set implicitly and an error is reported if overridden.
3110         (mips_expand_builtin_msa_test_branch): New function.
3111         (mips_expand_msa_shuffle): Likewise.
3112         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
3113         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
3114         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
3115         (mips_expand_vec_unpack): Add support for MSA.
3116         (mips_expand_vector_init): Likewise.
3117         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
3118         instead of const0_rtx.
3119         (mips_msa_vec_parallel_const_half): New function.
3120         (mips_gen_const_int_vector): Likewise.
3121         (mips_gen_const_int_vector_shuffle): Likewise.
3122         (mips_expand_msa_cmp): Likewise.
3123         (mips_expand_vec_cond_expr): Likewise.
3124         * config/mips/mips.h
3125         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
3126         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
3127         specified.
3128         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
3129         (ISA_HAS_MSA): New macro.
3130         (UNITS_PER_MSA_REG): Likewise.
3131         (BITS_PER_MSA_REG): Likewise.
3132         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
3133         (MSA_REG_FIRST): New macro.
3134         (MSA_REG_LAST): Likewise.
3135         (MSA_REG_NUM): Likewise.
3136         (MSA_REG_P): Likewise.
3137         (MSA_REG_RTX_P): Likewise.
3138         (MSA_SUPPORTED_MODE_P): Likewise.
3139         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
3140         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
3141         * config/mips/mips.md: Include mips-msa.md.
3142         (alu_type): Add simd_add.
3143         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
3144         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
3145         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
3146         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
3147         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
3148         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
3149         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
3150         simd_move, simd_load, simd_store.  Choose "multi" for moves
3151         for "qword_mode".
3152         (qword_mode): New attribute.
3153         (insn_count): Add instruction count for quad moves.
3154         Increase the count for MIPS SIMD division.
3155         (UNITMODE): Add UNITMODEs for vector types.
3156         (addsub): New code iterator.
3157         * config/mips/mips.opt (mmsa): New option.
3158         * config/mips/msa.h: New file.
3159         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
3160         specified.
3161         * config/mips/mti-linux.h: Likewise.
3162         * config/mips/predicates.md
3163         (const_msa_branch_operand): New constraint.
3164         (const_uimm3_operand): Likewise.
3165         (const_uimm4_operand): Likewise.
3166         (const_uimm5_operand): Likewise.
3167         (const_uimm8_operand): Likewise.
3168         (const_imm5_operand): Likewise.
3169         (aq10b_operand): Likewise.
3170         (aq10h_operand): Likewise.
3171         (aq10w_operand): Likewise.
3172         (aq10d_operand): Likewise.
3173         (const_m1_operand): Likewise.
3174         (reg_or_m1_operand): Likewise.
3175         (const_exp_2_operand): Likewise.
3176         (const_exp_4_operand): Likewise.
3177         (const_exp_8_operand): Likewise.
3178         (const_exp_16_operand): Likewise.
3179         (const_vector_same_val_operand): Likewise.
3180         (const_vector_same_simm5_operand): Likewise.
3181         (const_vector_same_uimm5_operand): Likewise.
3182         (const_vector_same_uimm6_operand): Likewise.
3183         (const_vector_same_uimm8_operand): Likewise.
3184         (par_const_vector_shf_set_operand): Likewise.
3185         (reg_or_vector_same_val_operand): Likewise.
3186         (reg_or_vector_same_simm5_operand): Likewise.
3187         (reg_or_vector_same_uimm6_operand): Likewise.
3188         * doc/extend.texi (MIPS SIMD Architecture Functions): New
3189         section.
3190         * doc/invoke.texi (-mmsa): Document new option.
3191
3192 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3193
3194         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
3195         * configure: Regenerate.
3196         * config.in: Regenerate.
3197         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
3198         on -fvtable-verify.
3199         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
3200         (ENDFILE_VTV_SPEC): Define.
3201
3202 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
3203
3204         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
3205         registers in all interrupt handlers if necessary.
3206         (rl78_option_override): Add warning.
3207         (MUST_SAVE_MDUC_REGISTERS): New macro.
3208         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
3209         * config/rl78/rl78.c (check_mduc_usage): New function.
3210         (mduc_regs): New structure to hold MDUC register data.
3211         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
3212         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
3213         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
3214         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
3215         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
3216         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
3217
3218 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
3219
3220         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
3221         (tree-ssa-loop-niter.h): Ditto.
3222         (idx_within_array_bound, ref_within_array_bound): New functions.
3223         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
3224         Factor out check on writable base object to ...
3225         (base_object_writable): ... here.
3226
3227 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3228
3229         * config/arm/arm.md (probe_stack): Add modes to set source
3230         and destination.
3231
3232 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
3233
3234         * regrename.c (base_reg_class_for_rename): New static function.
3235         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
3236
3237 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
3238
3239         * cgraph.c (thunk_adjust): Export.
3240         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
3241         * cgraphunit.c (thunk_adjust): Export.
3242         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
3243         thunks.
3244         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
3245         inlinable.
3246         * tree-inline.c (expand_call_inline): Expand thunks inline.
3247
3248 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
3249
3250         PR target/70998
3251         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
3252         (*sse2_vd_cvtss2sd): Ditto.
3253         * config/i386/i386.md
3254         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
3255         Generate *sse2_vd_cvtsd2ss pattern.
3256         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
3257         Generate *sse2_vd_cvtss2sd pattern.
3258
3259 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3260
3261         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
3262         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
3263         users.
3264
3265 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3266
3267         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
3268         * config/sh/sh.c: Define and declare variables on first use throughout
3269         the file.
3270         (current_function_interrupt): Change to bool type.
3271         (frame_insn): Rename to emit_frame_insn and update users.
3272         (push_regs): Use bool for 'interrupt_handler' argument.
3273         (save_schedule_s): Remove.
3274         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
3275         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
3276         targetm.asm_out.unaligned_op.di.
3277         (gen_far_branch): Remove redundant forward declaration.
3278         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
3279         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
3280         (sh_set_return_address, sh_function_ok_for_sibcall,
3281         scavenge_reg): Update comments.
3282         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
3283         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
3284         (sh_attr_renesas_p): Remove unnecessary parentheses.
3285         (branch_dest): Simplify.
3286         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
3287         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
3288         (CUMULATIVE_ARGS): Change macro to typedef.
3289         (current_function_interrupt): Change to bool type.
3290         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
3291         Surround with __cplusplus ifdef.
3292         (sh_compare_op0, sh_compare_op1): Remove.
3293         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
3294
3295 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
3296
3297         * config/arm/arm.md: (arch): Add neon.
3298         (arch_enabled): Return yes for arch neon when TARGET_NEON.
3299         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
3300         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
3301         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
3302         attributes for alt renumbering.  Mark alt 3 as non-predicable.
3303         (thumb2_movdf_vfp): Likewise.
3304
3305 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
3306
3307         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
3308         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
3309         (*andqi_1): Add preferred_for_speed attribute to disparage
3310         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
3311         (*<code>qi_1): Ditto.
3312         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
3313         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
3314         (*ashlqi3_1): Ditto.
3315         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
3316         Add preferred_for_size attribute to disparage alternative 0 and
3317         preferred_for_speed attribute to disparage alternative 1 for
3318         TARGET_PARTIAL_REG_STALL targets.
3319
3320 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3321
3322         PR tree-optimization/70956
3323         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3324         def.
3325
3326 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3327
3328         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
3329         * config/sh/sh.c (sh_cbranch_distance): Implement it.
3330         * config/sh/sh.md (branch_zero): Remove define_attr.
3331         (define_delay): Disable delay slot if branch distance is one insn.
3332
3333 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3334
3335         * config/i386/i386.md (LEAMODE): New mode attribute.
3336         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
3337         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
3338         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
3339         operand 2 predicate.
3340         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
3341         (*lea<mode>_general_3): Ditto.
3342         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
3343
3344 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3345
3346         * genmddump.c (main): Convert argv from char ** to const char **.
3347
3348 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3349
3350         * coretypes.h (OVERRIDE): New macro.
3351         (FINAL): New macro.
3352
3353 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3354
3355         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
3356         allow coalescing if the types are compatible.
3357
3358 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3359
3360         * pass_manager.h (pass_manager::register_pass_name): New method.
3361         (pass_manager::get_pass_by_name): New method.
3362         (pass_manager::create_pass_tab): New method.
3363         (pass_manager::m_name_to_pass_map): New field.
3364         * passes.c (name_to_pass_map): Delete global in favor of field
3365         "m_name_to_pass_map" of pass_manager.
3366         (register_pass_name): Rename from a function to...
3367         (pass_manager::register_pass_name): ...this method, updating
3368         for renaming of global "name_to_pass_map" to field
3369         "m_name_to_pass_map".
3370         (create_pass_tab): Rename from a function to...
3371         (pass_manager::create_pass_tab): ...this method, updating
3372         for renaming of global "name_to_pass_map" to field.
3373         (get_pass_by_name): Rename from a function to...
3374         (pass_manager::get_pass_by_name): ...this method.
3375         (enable_disable_pass): Convert use of get_pass_by_name to
3376         a method call, locating the pass_manager singleton.
3377
3378 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3379
3380         * genattr-common.c (main): Convert argv from char ** to const char **.
3381         * genattr.c (main): Likewise.
3382         * genattrtab.c (main): Likewise.
3383         * genautomata.c (initiate_automaton_gen): Likewise.
3384         (main): Likewise.
3385         * gencodes.c (main): Likewise.
3386         * genconditions.c (main): Likewise.
3387         * genconfig.c (main): Likewise.
3388         * genconstants.c (main): Likewise.
3389         * genemit.c (main): Likewise.
3390         * genenums.c (main): Likewise.
3391         * genextract.c (main): Likewise.
3392         * genflags.c (main): Likewise.
3393         * genmddeps.c (main): Likewise.
3394         * genopinit.c (main): Likewise.
3395         * genoutput.c (main): Likewise.
3396         * genpeep.c (main): Likewise.
3397         * genpreds.c (main): Likewise.
3398         * genrecog.c (main): Likewise.
3399         * gensupport.c (init_rtx_reader_args_cb): Likewise.
3400         (init_rtx_reader_args): Likewise.
3401         * gensupport.h (init_rtx_reader_args_cb): Likewise.
3402         (init_rtx_reader_args): Likewise.
3403         * gentarget-def.c (main): Likewise.
3404         * read-md.c (read_md_files): Likewise.
3405         * read-md.h (read_md_files): Likewise.
3406
3407 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3408
3409         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
3410         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
3411         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
3412         Remove unused predicate.
3413         (register_and_not_fp_reg_operand): Ditto.
3414
3415 2016-05-06  Martin Liska  <mliska@suse.cz>
3416
3417         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
3418         instead of vec as the vector is local to the function.
3419
3420 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3421
3422         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
3423         avx512bw alternative.
3424
3425         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
3426         before the ashr<mode>3 pattern.
3427
3428         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
3429         v instead of x in vex or maybe_vex alternatives, use
3430         maybe_evex instead of vex in prefix.
3431
3432         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
3433         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
3434         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
3435         in vex or maybe_vex alternatives, use maybe_evex instead of vex
3436         in prefix.
3437
3438         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
3439         v instead of x in vex or maybe_vex alternatives, use
3440         maybe_evex instead of vex in prefix.
3441
3442         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
3443         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
3444         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
3445         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
3446         alternatives, use maybe_evex instead of vex in prefix.
3447
3448         * config/i386/sse.md (vec_interleave_lowv4sf,
3449         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
3450         v instead of x in vex or maybe_vex alternatives, use
3451         maybe_evex instead of vex in prefix.
3452
3453         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
3454         v instead of x in vex or maybe_vex alternatives, use
3455         maybe_evex instead of vex in prefix.
3456
3457         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
3458         v constraint instead of x.
3459
3460 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3461
3462         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3463         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3464         equality first.
3465
3466 2016-05-06  Richard Biener  <rguenther@suse.de>
3467
3468         PR tree-optimization/70948
3469         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
3470         Properly clobber all fields of va_list for __builtin_va_start.
3471
3472 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3473
3474         PR debug/70935
3475         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3476         loop latch destination.
3477
3478 2016-05-06  Martin Liska  <mliska@suse.cz>
3479
3480         * tree-ssa-uninit.c: Apply manual changes
3481         to the GNU coding style.
3482         (prune_uninit_phi_opnds): Rename from
3483         prune_uninit_phi_opnds_in_unrealizable_paths.
3484
3485 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3486
3487         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
3488         mspace): Remove deprecated options.
3489         * doc/invoke.texi (SH options): Remove -mspace.
3490
3491 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3492
3493         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
3494
3495 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3496
3497         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
3498         corresponding combine split pattern.
3499
3500 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3501
3502         PR target/58219
3503         * config/sh/predicates.md (long_displacement_mem_operand): New.
3504         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
3505         Add movi20, movi20s alternatives.  Adjust length attribute for
3506         alternatives.
3507         (movsi_ie): Allow for any FPU.  Adjust length attribute for
3508         alternatives.
3509         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
3510         attribute for alternatives.
3511         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
3512         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
3513         length attribute for alternatives.
3514
3515 2016-05-06  Richard Biener  <rguenther@suse.de>
3516
3517         PR tree-optimization/70960
3518         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
3519
3520 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3521
3522         PR target/52933
3523         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
3524         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
3525
3526 2016-05-06  Marek Polacek  <polacek@redhat.com>
3527
3528         PR sanitizer/70875
3529         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3530
3531 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3532
3533         PR target/54089
3534         * config/sh/sh.md (*rotcr): Add another variant.
3535
3536 2016-05-06  Richard Biener  <rguenther@suse.de>
3537
3538         PR middle-end/70931
3539         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3540
3541 2016-05-06  Richard Biener  <rguenther@suse.de>
3542
3543         PR middle-end/70941
3544         * fold-const.c (split_tree): Always convert to the original type
3545         before negating.
3546
3547 2016-05-06  Richard Biener  <rguenther@suse.de>
3548
3549         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
3550         (fwprop_addr): Likewise.
3551
3552 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3553
3554         PR target/70873
3555         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
3556         New prototype.
3557         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
3558         * config/i386/i386.md (push mem splitter): Use find_constant_src in
3559         the splitter condition.
3560         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
3561         the splitter condition.
3562         (FP float_extend load splitter): Ditto.
3563
3564 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
3565
3566         * config/i386/i386.md (peehole2 patterns): Change true_regnum
3567         to REGNO in all peephole2 patterns.
3568         (post-reload splitters): Change true_regnum to REGNO in
3569         post-reload splitters.
3570         (zero_extend splitters): Use general_reg_operand and
3571         nonimmediate_gr_operand predicates.
3572
3573 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
3574
3575         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
3576         v constraint instead of x.
3577
3578 2016-05-05  Alan Modra  <amodra@gmail.com>
3579
3580         PR target/68662
3581         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3582         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
3583         TARGET_NO_FP_IN_TOC for -mrelocatable.
3584         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
3585         TARGET_RELOCATABLE test.
3586         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3587         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3588         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3589         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3590         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3591         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3592         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3593         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3594         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3595         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3596         Likewise.
3597         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
3598         (rs6000_stack_info): Likewise.
3599         (rs6000_elf_asm_out_constructor): Likewise.
3600         (rs6000_elf_asm_out_destructor): Likewise.
3601         (rs6000_elf_declare_function_name): Likewise.
3602         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
3603         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
3604         Don't define.
3605
3606 2016-05-05  Alan Modra  <amodra@gmail.com>
3607
3608         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
3609
3610 2016-05-05  Alan Modra  <amodra@gmail.com>
3611
3612         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
3613         out-of-line gpr restore for one or two regs if that would add
3614         a save of lr.
3615
3616 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
3617
3618         PR target/70873
3619         * config/i386/i386.md
3620         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
3621         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
3622         as operand 0 predicate.
3623         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
3624         Ditto.
3625         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
3626         Ditto.  Emit the pattern using RTX.
3627
3628         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
3629         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
3630         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
3631         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
3632         Ditto.
3633         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
3634         sse_reg_operand as operand 0 predicate.
3635
3636         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
3637         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
3638         instead of gen_rtx_REG.
3639         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
3640         Ditto.
3641
3642 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3643
3644         * function.c (emit_use_return_register_into_block): Delete.
3645         (gen_return_pattern): Delete.
3646         (emit_return_into_block): Delete.
3647         (active_insn_between): Delete.
3648         (convert_jumps_to_returns): Delete.
3649         (emit_return_for_exit): Delete.
3650         (thread_prologue_and_epilogue_insns): Delete all code dealing with
3651         simple_return for shrink-wrapped blocks.
3652         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
3653         end of blocks that need one.
3654         (get_unconverted_simple_return): Delete.
3655         (convert_to_simple_return): Delete.
3656         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
3657         (convert_to_simple_return): Ditto.
3658
3659 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3660
3661         * cfgcleanup.c (bb_is_just_return): New function.
3662         (try_optimize_cfg): Simplify jumps to return, branches to return,
3663         and branches around return.
3664
3665 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3666
3667         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
3668         branch to a return.
3669
3670 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3671
3672         PR c++/70906
3673         PR c++/70933
3674         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
3675         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
3676         assert flags & OEP_HASH_CHECK, instead of asserting it
3677         never happens.  Handle TARGET_EXPR.
3678         * fold-const.c (operand_equal_p): For hash verification,
3679         or in OEP_HASH_CHECK into flags.
3680
3681 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3682
3683         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3684         comment.
3685         (compute_samebase_partition_bases): Fix typo.
3686
3687 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3688
3689         * config/i386/sse.md (vec_interleave_highv8sf,
3690         vec_interleave_lowv8sf, vec_interleave_highv4df,
3691         vec_interleave_lowv4df): Remove constraints from expanders.
3692
3693         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
3694
3695 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3696
3697         * tree-inline.c (expand_call_inline): Fix path dealing with
3698         making lhs of call statement undefined.
3699
3700 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3701
3702         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
3703         Check availability on NODE, too.
3704         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
3705         (cgraph_node::call_for_symbol_and_aliases): Likewise.
3706         (varpool_node::call_for_symbol_and_aliase): Likewise.
3707         * ipa-pure-const.c (add_new_function): Analyze all bodies.
3708         (propagate_pure_const): Propagate across interposable functions, too.
3709         (skip_function_for_local_pure_const): Do not skip interposable bodies
3710         with aliases.
3711         (pass_local_pure_const::execute): Update.
3712
3713 2016-05-04  Marek Polacek  <polacek@redhat.com>
3714
3715         * doc/invoke.texi: Document -Wdangling-else.
3716
3717 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3718
3719         * config.gcc: Error out when conflicting multilib is detected.  Do not
3720         loop over multilibs since no combination is legal.
3721
3722 2016-05-04  Alan Modra  <amodra@gmail.com>
3723
3724         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
3725         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
3726         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3727         Align .toc.
3728
3729 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
3730
3731         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
3732         Clean up p5600 comments.
3733
3734 2016-05-04  Richard Biener  <rguenther@suse.de>
3735
3736         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
3737         constructor simplifications.
3738         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
3739
3740 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
3741
3742         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
3743         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
3744         result.set_rtx is null instead of aborting.
3745         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
3746         Always enable.
3747         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
3748         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
3749         *mov<mode>_store_postinc): New patterns.
3750
3751 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
3752
3753         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
3754         as commutative.  Check both conversions are NOP.
3755         ((A & B) OP (C & B)): Remove.
3756
3757 2016-05-04  Alan Modra  <amodra@gmail.com>
3758
3759         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
3760
3761 2016-05-04  Alan Modra  <amodra@gmail.com>
3762
3763         PR target/70866
3764         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
3765         when cr2,3,4 are all fixed regs.
3766
3767 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
3768
3769         PR rtl-optimization/57193
3770         * opts.c (default_options_table): Revert OPT_frename_registers change.
3771         * doc/invoke.texi (-frename-registers, -O2): Likewise.
3772
3773 2016-05-03  Martin Sebor  <msebor@redhat.com>
3774
3775         PR c++/66561
3776         * builtins.c (fold_builtin_FILE): New function.
3777         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
3778         (fold_builtin_0): Call them.
3779         * gimplify.c (gimplify_call_expr): Remove the handling of
3780         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
3781
3782         PR c++/66561
3783         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
3784         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
3785         constants.
3786
3787         PR c++/66639
3788         * doc/extend.texi (Function Names as Strings): Update __func__,
3789         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
3790         constants.
3791
3792 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3793             Richard Biener  <rguenther@suse.de>
3794
3795         PR tree-optimization/70916
3796         * tree-if-conv.c: Include cfganal.h.
3797         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
3798         and remove_fake_exit_edges around the optimization pass.
3799
3800 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3801
3802         * cgraph.c (symbol_table::create_edge): Set inline_failed.
3803         (cgraph_edge::make_direct): Likewise.
3804         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
3805         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
3806         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
3807         (CIF_THUNK): New code.
3808         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
3809         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
3810         (compute_inline_parameters): Set inline_failed for thunks.
3811         (inline_analyze_function): Cleanup.
3812         * ipa-inline.c (can_inline_edge_p): Do not deal with
3813         call_stmt_cannot_inline_p.
3814         (can_early_inline_edge_p): Likewise.
3815         (early_inliner): Initialize inline_failed.
3816         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
3817
3818 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
3819
3820         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
3821         from nonimm_ssenomem_operand.
3822         (nonimm_ssenomem_operand): New predicate.
3823         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
3824         as operand 0 predicate.
3825         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
3826         Disable unsupported alternatives using "enabled" attribute.
3827         Use register_ssemem_operand as operand 0 predicate.
3828         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
3829
3830 2016-05-03  Marek Polacek  <polacek@redhat.com>
3831
3832         PR c/70859
3833         * input.c (expansion_point_location): New function.
3834         * input.h (expansion_point_location): Declare.
3835
3836 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3837
3838         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3839         occurence with frame_offset_ ones.
3840
3841 2016-05-03  Alan Modra  <amodra@gmail.com>
3842
3843         PR rtl-optimization/70890
3844         * ira.c (combine_and_move_insns): When moving def_insn, remove
3845         equivs on use_insn.
3846
3847 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3848
3849         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
3850         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
3851         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
3852         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
3853
3854 2016-05-03  Alan Modra  <amodra@gmail.com>
3855
3856         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
3857         for SAVE_MULTIPLE/STORE_MULTIPLE.
3858
3859 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3860
3861         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
3862         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
3863
3864 2016-05-03  Richard Biener  <rguenther@suse.de>
3865
3866         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
3867         default true.
3868         (gimplify_arg): Likewise.
3869         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
3870         re-writing the result to a decl if required.
3871         (internal_get_tmp_var): Add allow_ssa parameter
3872         and override into_ssa with it.
3873         (get_formal_tmp_var): Adjust.
3874         (get_initialized_tmp_var): Add allow_ssa parameter.
3875         (gimplify_arg): Add allow_ssa parameter and avoid generating
3876         SSA names for the result false.
3877         (gimplify_call_expr): If the call may return twice do not
3878         gimplify parameters into SSA.
3879         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
3880         (gimplify_modify_expr): Adjust assert.  For noreturn calls
3881         with a SSA name LHS adjust its def.
3882         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
3883         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
3884         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
3885         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
3886         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
3887         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
3888         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
3889         (optimize_target_teams): Do not allow SSA names for clause operands.
3890         (gimplify_expr): Likewise for where we mark the result addressable.
3891         * passes.def (pass_init_datastructures): Remove.
3892         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
3893         (rewrite_stmt): Likewise.
3894         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
3895         (replace_locals_op): Replace SSA names.
3896         (copy_gimple_seq_and_replace_locals): Init src_cfun.
3897         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
3898         * cgraph.c (release_function_body): Free CFG annotations only
3899         when we have a CFG.  Simplify.
3900         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3901         force_gimple_operand instead of get_initialized_tmp_var.
3902         * tree-pass.h (make_pass_init_datastructures): Remove.
3903         * tree-ssa.c (execute_init_datastructures): Remove.
3904         (pass_data_init_datastructures): Likewise.
3905         (class pass_init_datastructures): Likewise.
3906         (make_pass_init_datastructures): Likewise.
3907         * omp-low.c (create_omp_child_function): Init SSA data structures.
3908         (grid_expand_target_grid_body): Likewise.
3909         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
3910         name before adding it to names_to_release.
3911         (remove_bb): Always release SSA defs.
3912         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
3913         before dereferencing it.
3914         * cgraphunit.c (init_lowered_empty_function): Always
3915         int SSA data structures.
3916         * tree-ssanames.c (release_defs): Remove assert that we are in
3917         SSA form.
3918         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
3919
3920 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3921             Uros Bizjak  <ubizjak@gmail.com>
3922
3923         PR rtl-optimization/70467
3924         * config/i386/predicates.md (x86_64_hilo_int_operand,
3925         x86_64_hilo_general_operand): New predicates.
3926         * config/i386/constraints.md (Wd): New constraint.
3927         * config/i386/i386.md (mode attr di): Use Wd instead of e.
3928         (general_hilo_operand): New mode attr.
3929         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
3930         instead of <general_operand>.
3931         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
3932         x86_64_hilo_general_operand instead of <general_operand>.
3933
3934 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3935
3936         PR tree-optimization/70916
3937         * tree-if-conv.c (constant_or_ssa_name): Removed.
3938         (fold_build_cond_expr): Use is_gimple_val instead of
3939         constant_or_ssa_name.
3940
3941         PR tree-optimization/70916
3942         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3943         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3944
3945         PR target/49244
3946         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
3947         (optimize_atomic_bit_test_and): New function.
3948         (pass_fold_builtins::execute): Use it.
3949         * optabs.def (atomic_bit_test_and_set_optab,
3950         atomic_bit_test_and_complement_optab,
3951         atomic_bit_test_and_reset_optab): New optabs.
3952         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
3953         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
3954         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
3955         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
3956         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
3957         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
3958         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
3959         * doc/md.texi (atomic_bit_test_and_set@var{mode},
3960         atomic_bit_test_and_complement@var{mode},
3961         atomic_bit_test_and_reset@var{mode}): Document.
3962         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
3963         atomic_bit_test_and_complement<mode>,
3964         atomic_bit_test_and_reset<mode>): New expanders.
3965         (atomic_bit_test_and_set<mode>_1,
3966         atomic_bit_test_and_complement<mode>_1,
3967         atomic_bit_test_and_reset<mode>_1): New insns.
3968
3969 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
3970
3971         PR rtl-optimization/70687
3972         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
3973         instead of unsigned HOST_WIDE_INT.
3974
3975 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
3976
3977         PR rtl-optimization/44281
3978         * hard-reg-set.h (struct target_hard_regs): New field
3979         x_fixed_nonglobal_reg_set.
3980         (fixed_nonglobal_reg_set): New macro.
3981         * reginfo.c (init_reg_sets_1): Initialize it.
3982         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
3983         of fixed_reg_set.
3984         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
3985
3986 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3987
3988         PR tree-optimization/56541
3989         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
3990         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
3991         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
3992         (any_complicated_phi): new static variable.
3993         (aggressive_if_conv): delete.
3994         (if_convertible_phi_p): support phis with more than two arguments.
3995         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
3996         critical pred edges.
3997         (ifcvt_split_critical_edges): support phis with more than two
3998         arguments by checking new parameter.  only split critical edges
3999         if needed.
4000         (tree_if_conversion): handle simd pragma marked loop using new
4001         local variable aggressive_if_conv.  check any_complicated_phi.
4002
4003 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
4004
4005         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
4006         before using it.
4007
4008 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
4009
4010         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
4011         cbase.
4012
4013 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
4014
4015         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
4016         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
4017         define_insn_and_split.
4018         (mulsi3_i): New define_insn_and_split.
4019         (mulsi3_call): Convert to define_insn.
4020         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
4021         Remove constraints.
4022
4023 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
4024
4025         * machmode.h (mode_complex): Add support to give the complex mode
4026         for a given mode.
4027         (GET_MODE_COMPLEX_MODE): Likewise.
4028         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
4029         stored by build_complex_type and gfc_build_complex_type instead of
4030         trying to figure out the appropriate mode based on the size. Raise
4031         an assertion error, if the type was not set.
4032         * genmodes.c (struct mode_data): Add field for the complex type of
4033         the given type.
4034         (blank_mode): Likewise.
4035         (make_complex_modes): Remember the complex mode created in the
4036         base type.
4037         (emit_mode_complex): Write out the mode_complex array to map a
4038         type mode to the complex version.
4039         (emit_insn_modes_c): Likewise.
4040         * tree.c (build_complex_type): Set the complex type to use before
4041         calling layout_type.
4042         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
4043         support for __float128 complex datatypes.
4044         (rs6000_hard_regno_mode_ok): Likewise.
4045         (rs6000_setup_reg_addr_masks): Likewise.
4046         (rs6000_complex_function_value): Likewise.
4047         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
4048         __float128 and __ibm128 complex.
4049         (FLOAT128_IBM_P): Likewise.
4050         (ALTIVEC_ARG_MAX_RETURN): Likewise.
4051         * doc/extend.texi (Additional Floating Types): Document that
4052         -mfloat128 must be used to enable __float128.  Document complex
4053         __float128 and __ibm128 support.
4054
4055 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4056
4057         PR target/49244
4058         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
4059         char/short arguments promoted to int because of promote_prototypes.
4060
4061 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4062
4063         * config/i386/predicates.md (register_ssemem_operand): New predicate.
4064         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
4065         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
4066         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
4067         alternatives using "enabled" attribute.  Use register_ssemem_operand
4068         as operand 1 predicate.
4069         (*cmpi<unord>xf_i387): Split XFmode pattern from
4070         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
4071         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
4072         *absneg<mode>2_i387.  Disable unsupported alternatives using
4073         "enabled" attribute.
4074         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
4075
4076 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4077
4078         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
4079         marker.
4080         (oacc_loop_process): Check mask for loop termination.
4081
4082 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
4083
4084         * cif-code.def (CIF_THUNK): Add.
4085         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
4086         accidental change.
4087
4088 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
4089
4090         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
4091         (dump_inline_summary): Dump it.
4092         (fp_expression_p): New predicate.
4093         (estimate_function_body_sizes): Use it.
4094         (inline_merge_summary): Merge fp_expressions.
4095         (inline_read_section): Read fp_expressions.
4096         (inline_write_summary): Write fp_expressions.
4097         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
4098         codegen boundary if either caller or callee is !fp_expressions.
4099         * ipa-inline.h (inline_summary): Add fp_expressions.
4100         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
4101         to fp_expressions be sure the fp generation flags are updated.
4102
4103 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4104
4105         PR rtl-optimization/70467
4106         * cse.c (cse_insn): Handle no-op MEM moves after folding.
4107
4108         PR rtl-optimization/70467
4109         * ipa-pure-const.c (check_call): Handle internal calls even in
4110         ipa mode like in local mode.
4111
4112 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4113
4114         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
4115
4116 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4117
4118         * match.pd (X u< X, X u> X): New transformations.
4119
4120 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4121
4122         * flag-types.h (enum warn_strict_overflow_code): Move ...
4123         * coretypes.h: ... here.
4124         * fold-const.h (fold_overflow_warning): Declare.
4125         * fold-const.c (fold_overflow_warning): Make non-static.
4126         (fold_comparison): Move the transformation of X +- C1 CMP C2
4127         into X CMP C2 -+ C1 ...
4128         * match.pd: ... here.
4129         * gimple-fold.c (fold_stmt_1): Protect with
4130         fold_defer_overflow_warnings.
4131
4132 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4133
4134         * omp-low.c (struct oacc_loop): Add 'inner' field.
4135         (new_oacc_loop_raw): Initialize it to zero.
4136         (oacc_loop_fixed_partitions): Initialize it.
4137         (oacc_loop_auto_partitions): Partition outermost loop to outermost
4138         available partitioning.
4139
4140 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4141
4142         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
4143         register_operand.
4144         (umulsidi3): Likewise.
4145         (indirect_jump): Fix jump instruction assembly patterns.
4146
4147 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
4148
4149         PR target/70860
4150         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
4151         (nvptx_function_value): Assert non-NULL cfun.
4152
4153 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
4154
4155         PR rtl-optimization/70886
4156         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
4157
4158         * cselib.h (rtx_equal_for_cselib_1): Declare.
4159         (rtx_equal_for_cselib_p: New inline function.
4160         * cselib.c (rtx_equal_for_cselib_p): Delete.
4161         (rtx_equal_for_cselib_1): Make public.
4162
4163 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4164
4165         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
4166         (register_mixssei387nonimm_operand): Remove predicate.
4167         * config/i386/i386.md (*fop_<mode>_comm): Merge from
4168         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
4169         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
4170         for TARGET_MIX_SSE_I387 alternatives.
4171         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
4172         Disable unsupported alternatives using "enabled" attribute.  Use
4173         nonimm_ssenomem_operand as operand 1 predicate.  Also check
4174         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
4175
4176 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4177
4178         * tree.c (cst_and_fits_in_hwi): Simplify.
4179
4180 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4181
4182         * tree.h (wi::to_wide): New function.
4183         * expr.c (expand_expr_real_1): Use wi::to_wide.
4184         * fold-const.c (int_const_binop_1): Likewise.
4185         (extract_muldiv_1): Likewise.
4186
4187 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4188
4189         * wide-int.h: Update offset_int and widest_int documentation.
4190         (WI_SIGNED_SHIFT_RESULT): New macro.
4191         (wi::binary_shift): Define signed_shift_result_type for
4192         shifts on offset_int- and widest_int-like types.
4193         (generic_wide_int): Support <<= and >>= if << and >> are supported.
4194         * tree.h (int_bit_position): Use shift operators instead of wi::
4195          shifts.
4196         * alias.c (adjust_offset_for_component_ref): Likewise.
4197         * expr.c (get_inner_reference): Likewise.
4198         * fold-const.c (fold_comparison): Likewise.
4199         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
4200         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
4201         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4202         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
4203         (stmt_kills_ref_p): Likewise.
4204         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
4205         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
4206         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4207         (ao_ref_init_from_vn_reference): Likewise.
4208
4209 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4210
4211         * wide-int.h: Update offset_int and widest_int documentation.
4212         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
4213         (wi::binary_traits): Allow ordered comparisons between offset_int and
4214         offset_int, between widest_int and widest_int, and between either
4215         of these types and basic C types.
4216         (operator <, <=, >, >=): Define for the same combinations.
4217         * tree.h (tree_int_cst_lt): Use comparison operators instead
4218         of wi:: comparisons.
4219         (tree_int_cst_le): Likewise.
4220         * gimple-fold.c (fold_array_ctor_reference): Likewise.
4221         (fold_nonarray_ctor_reference): Likewise.
4222         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
4223         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
4224         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
4225         * tree-sra.c (completely_scalarize): Likewise.
4226         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
4227         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
4228         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
4229         (check_for_binary_op_overflow): Likewise.
4230         (search_for_addr_array): Likewise.
4231         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
4232
4233 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4234
4235         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
4236         (arc_save_restore): Likewise.
4237         (arc_dwarf_register_span): Likewise.
4238         (arc_output_pic_addr_const): Initialize suffix variable.
4239
4240 2016-05-02  Martin Liska  <mliska@suse.cz>
4241
4242         * symbol-summary.h (function_summary::function_summary):
4243         Remove checking assert for all cgraph nodes.
4244         (function_summary::get): Check summary_uid.
4245         (symtab_insertion): Check summary_uid.
4246
4247 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4248
4249         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
4250         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
4251         bmaskn instruction.
4252         (arc_dwarf_register_span): Remove enum keyword.
4253         (compact_memory_operand_p): New function.
4254         * config/arc/arc.h (reg_class): Add code density register classes.
4255         (REG_CLASS_NAMES): Likewise.
4256         (REG_CLASS_CONTENTS): Likewise.
4257         * config/arc/arc.md (*movqi_insn): Add code density instructions.
4258         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
4259         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
4260         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
4261         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
4262         constraints.
4263         (h, Rcd, Rsd, Rzd): New register constraints.
4264         (T): Use compact_memory_operand_p function.
4265         * config/arc/predicates.md (compact_load_memory_operand): Remove.
4266
4267 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4268
4269         * config/sh/sh.md (*negnegt, *movtt): Remove.
4270
4271 2016-05-02  Marek Polacek  <polacek@redhat.com>
4272             Tom de Vries  <tom@codesourcery.com>
4273
4274         PR tree-optimization/70700
4275         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
4276         bigger than FIRST_REF_NODE.
4277
4278 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4279
4280         PR target/52898
4281         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
4282         TARGET_CMPEQDI_T.
4283         (prepare_cbranch_operands): Don't use scratch register.  Assume that
4284         function is used when pseudos can be created.
4285         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
4286         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
4287         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
4288         define_expand.  Allow it only when pseudos can be created.
4289         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
4290
4291 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
4292
4293         * config/i386/constraints.md (BC): Only allow -1 operands.
4294         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
4295         Add "enabled" attribute.  Update XI mode attribute calculation.
4296         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
4297         (*movoi_internal_avx): Update XI mode attribute calculation.
4298         (*movti_internal): Ditto.
4299
4300 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4301
4302         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4303         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
4304
4305 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4306
4307         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
4308         statement on instruction code.  Remove trailing spaces.
4309         (altivec_expand_stv_builtin): Likewise.
4310
4311 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4312
4313         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4314         (TARGET_FPU_DOUBLE): Simplify.
4315         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
4316         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
4317         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
4318         with 'TARGET_FPU_DOUBLE'.
4319         * config/sh/sh.md: Likewise.
4320
4321 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
4322
4323         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
4324         SH_DIV_STR_FOR_SIZE): Remove.
4325         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
4326         SH_DIV_STR_FOR_SIZE): Remove.
4327
4328 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4329
4330         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
4331         logical_reg_operand): Delete.
4332         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
4333         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
4334         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
4335         match_operand and match_test.
4336         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
4337         variables on their first use.  Return bool values.
4338         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
4339         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
4340         arith_reg_operand for input operand.  Remove empty constraints.
4341         (xorsi3): Delete.
4342         (*xorsi3_compact): Rename to xorsi3.
4343         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
4344         (*zero_extend<mode>si2_disp_mem): Update comment.
4345         (mov_nop): Delete.
4346
4347 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4348
4349         * config/sh/t-sh: Remove SH5 support.
4350         * config.gcc: Likewise.
4351         * configure: Likewise.
4352
4353 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4354
4355         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
4356
4357 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4358
4359         * config/sh/sh.c (register_sh_passes, sh_option_override,
4360         sh_print_operand, prepare_move_operands,
4361         sh_can_follow_jump): Remove TARGET_SH1 checks.
4362         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
4363         PROMOTE_MODE): Likewise.
4364         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
4365         movdi): Likewise.
4366
4367 2016-04-30  Alan Modra  <amodra@gmail.com>
4368
4369         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
4370         restoring when fixed_reg_p, but allow out-of-line or stmw save.
4371         Check for user regs later to avoid unnecessary looping over regs.
4372         Merge user reg check with non-saved reg check.  Don't force
4373         inline VR restore when static chain used.
4374         (rs6000_frame_related): Omit eh_frame info for user regs when
4375         saving.
4376         (fixed_regs_p): Delete.
4377
4378 2016-04-30  Alan Modra  <amodra@gmail.com>
4379
4380         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
4381         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
4382         Update all uses.
4383
4384 2016-04-30  Alan Modra  <amodra@gmail.com>
4385
4386         PR target/69645
4387         * config/rs6000/rs6000.c (fixed_reg_p): New function.
4388         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
4389         Update all uses.
4390
4391 2016-04-30  Alan Modra  <amodra@gmail.com>
4392
4393         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4394         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
4395         flag_pic test for Darwin.
4396
4397 2016-04-30  Alan Modra  <amodra@gmail.com>
4398
4399         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
4400         throw_calls_crossed.
4401         (REG_FREQ_CALLS_CROSSED): Delete.
4402         (REG_N_THROWING_CALLS_CROSSED): Delete.
4403         * regstat.c (regstat_bb_compute_ri): Don't calculate
4404         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
4405         (dump_reg_info): Don't print call cross frequency.
4406         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
4407         and REG_N_THROWING_CALLS_CROSSED.
4408
4409 2016-04-30  Alan Modra  <amodra@gmail.com>
4410
4411         * regs.h (struct reg_info_t): Delete live_length.
4412         (REG_LIVE_LENGTH): Delete macro.
4413         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
4414         local_live, local_processed and local_live_last_luid params.
4415         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
4416         Formatting fixes.
4417         (regstat_compute_ri): Adjust for above.  Don't set
4418         REG_LIVE_LENGTH.
4419         (dump_reg_info): Don't print live length.
4420         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
4421         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
4422         Localize loop_depth var.
4423
4424 2016-04-30  Alan Modra  <amodra@gmail.com>
4425
4426         * ira.c (enum valid_equiv): New.
4427         (validate_equiv_mem): Return enum.
4428         (update_equiv_mem): Create replacement in more cases.
4429         (add_store_equivs): Update validate_equiv_mem call.
4430
4431 2016-04-30  Alan Modra  <amodra@gmail.com>
4432
4433         * ira.c (combine_and_move_insns): Rather than scanning insns,
4434         use DF infrastucture to find use and def insns.
4435
4436 2016-04-30  Alan Modra  <amodra@gmail.com>
4437
4438         ira.c (combine_and_move_insns): Move invariant conditions..
4439         (ira.c): ..to here.  Call combine_and_move_insns before
4440         add_store_equivs.  Call grow_reg_equivs later.  Allocate
4441         req_equiv later using max_reg_num() rather than global max_regno.
4442         (contains_replace_regs): Delete.
4443         (add_store_equivs): Remove contains_replace_regs test.
4444
4445 2016-04-30  Alan Modra  <amodra@gmail.com>
4446
4447         * ira.c (struct equiv_mem_data): New.
4448         (equiv_mem, equiv_mem_modified): Delete static vars.
4449         (validate_equiv_mem_from_store): Use "data" param to communicate..
4450         (validate_equiv_mem): ..from here.
4451
4452 2016-04-30  Alan Modra  <amodra@gmail.com>
4453
4454         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
4455         split out from..
4456         (update_reg_equivs): ..here.  Move allocation and freeing of
4457         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
4458         end_alias_analysis to..
4459         (ira): ..here.
4460
4461 2016-04-30  Alan Modra  <amodra@gmail.com>
4462
4463         * ira.c (pdx_subregs): Delete.
4464         (struct equivalence): Add pdx_subregs field.
4465         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
4466         pdx_subregs access.
4467         (update_equiv_regs): Don't create or free pdx_subregs.  Update
4468         pdx_subregs access.
4469
4470 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4471
4472         * config/rs6000/altivec.h: Change definitions of vec_xl and
4473         vec_xst.
4474         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
4475         (LD_ELEMREV_V2DI): New.
4476         (LD_ELEMREV_V4SF): New.
4477         (LD_ELEMREV_V4SI): New.
4478         (LD_ELEMREV_V8HI): New.
4479         (LD_ELEMREV_V16QI): New.
4480         (ST_ELEMREV_V2DF): New.
4481         (ST_ELEMREV_V2DI): New.
4482         (ST_ELEMREV_V4SF): New.
4483         (ST_ELEMREV_V4SI): New.
4484         (ST_ELEMREV_V8HI): New.
4485         (ST_ELEMREV_V16QI): New.
4486         (XL): New.
4487         (XST): New.
4488         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4489         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
4490         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
4491         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
4492         (altivec_expand_builtin): Add handling for
4493         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
4494         (rs6000_invalid_builtin): Add error-checking for
4495         RS6000_BTM_P9_VECTOR.
4496         (altivec_init_builtins): Define builtins used to implement vec_xl
4497         and vec_xst.
4498         (rs6000_builtin_mask_names): Define power9-vector.
4499         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
4500         (RS6000_BTM_P9_VECTOR): Define.
4501         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
4502         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
4503         (vsx_ld_elemrev_v2df): Likewise.
4504         (vsx_ld_elemrev_v4sf): Likewise.
4505         (vsx_ld_elemrev_v4si): Likewise.
4506         (vsx_ld_elemrev_v8hi): Likewise.
4507         (vsx_ld_elemrev_v16qi): Likewise.
4508         (vsx_st_elemrev_v2df): Likewise.
4509         (vsx_st_elemrev_v2di): Likewise.
4510         (vsx_st_elemrev_v4sf): Likewise.
4511         (vsx_st_elemrev_v4si): Likewise.
4512         (vsx_st_elemrev_v8hi): Likewise.
4513         (vsx_st_elemrev_v16qi): Likewise.
4514         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
4515         grammar.
4516
4517 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
4518
4519         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4520         out into ...
4521         (simplify_control_stmt_condition_1): ... here.  Recurse into
4522         BIT_AND_EXPRs and BIT_IOR_EXPRs.
4523
4524 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
4525
4526         PR target/69810
4527         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
4528         (zero_extendqi<mode>2_dot): Revert earlier conversion from
4529         define_insn_and_split to define_insn.
4530         (zero_extendqi<mode>2_dot2): Same.
4531         (extendqi<mode>2_dot): Same.
4532         (extendqi<mode>2_dot2): Same.
4533
4534 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4535
4536         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
4537         (probe_stack): New expander.
4538         (probe_stack_<mode>): New insn pattern.
4539
4540 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4541
4542         * config/i386/i386.md
4543         (operations with memory inputs setting flags peephole2):
4544         Remove uneeded REG_P checks.  Cleanup pattern generation.
4545
4546 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
4547
4548         * tree-vect-loop.c (vect_transform_loop): Fix
4549         nb_iterations_upper_bound computation for vectorized loop.
4550
4551 2016-04-29  Marek Polacek  <polacek@redhat.com>
4552             Jakub Jelinek  <jakub@redhat.com>
4553
4554         PR sanitizer/70342
4555         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4556         TARGET_EXPR_SLOT as a base.
4557
4558 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
4559
4560         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
4561         with 'rCm2' constraints to limit possible immediate size.
4562         (*load_zeroextendqisi_update): Likewise.
4563         (*load_signextendqisi_update): Likewise.
4564         (*loadhi_update): Likewise.
4565         (*load_zeroextendhisi_update): Likewise.
4566         (*load_signextendhisi_update): Likewise.
4567         (*loadsi_update): Likewise.
4568         (*loadsf_update): Likewise.
4569
4570 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4571
4572         * config/i386/predicates.md (constm1_operand): Fix comparison.
4573
4574 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4575
4576         * testsuite/gcc.target/arc/ieee_eq.c: New test.
4577
4578 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
4579
4580         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
4581         remaining SH5 related settings.
4582         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
4583         shmedia_prepare_call_address): Delete.
4584         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
4585         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
4586         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
4587         UNSUPPORTED_SH2A): Remove m5 checks.
4588         (sh_divide_strategy_e): Remove SH5 division strategies.
4589         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
4590         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
4591
4592 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4593
4594         * config/s390/s390.c (s390_rtx_costs): Update documentation.
4595
4596 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4597
4598         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
4599         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
4600         Change lder to ldr.
4601         * config/s390/vector.md ("mov<mode>"): Likewise.
4602
4603 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
4604
4605         * config/s390/constraints.md ("U", "W"): Invoke
4606         s390_mem_constraint with "ZR" and "ZT".
4607         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
4608         addresses when using LRA.  Accept also short displacements for S
4609         and T constraints.  Do not check for long displacement target for
4610         S and T constraints.
4611         (s390_mem_constraint): Remove handling of U and W constraints.
4612         * config/s390/s390.md (various patterns): Remove the short
4613         displacement constraints (Q and R) if a long displacement
4614         constraint is present.  Add longdisp as required CPU capability.
4615         * config/s390/vector.md: Likewise.
4616         * config/s390/vx-builtins.md: Likewise.
4617
4618 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4619
4620         PR target/60040
4621         * reload1.c (reload): Call finish_spills before
4622         restarting reload loop. Skip select_reload_regs
4623         if update_eliminables_and_spill returns true.
4624
4625 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4626
4627         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
4628         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
4629         (umulhisi3_imm): Update predicates and constraint letters.
4630         (umulhisi3_reg): Declare instruction as commutative.
4631         * config/arc/constraints.md (J12, J16): New constraints.
4632         * config/arc/predicates.md (short_unsigned_const_operand): New
4633         predicate.
4634         (arc_short_operand): Likewise.
4635         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
4636
4637 2016-04-29  Richard Biener  <rguenther@suse.de>
4638
4639         PR tree-optimization/13962
4640         PR tree-optimization/65686
4641         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
4642         * tree-ssa-alias.c (ptrs_compare_unequal): New function
4643         using PTA to compare pointers.
4644         * match.pd: Add pattern for pointer equality compare simplification
4645         using ptrs_compare_unequal.
4646
4647 2016-04-29  Richard Biener  <rguenther@suse.de>
4648
4649         * stor-layout.c (layout_type): Do not build a pointer-to-element
4650         type for arrays.
4651
4652 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4653
4654         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
4655         Use SWI mode iterator.  Use general_reg_operand predicate.
4656         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
4657         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
4658         predicates.
4659
4660 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
4661
4662         PR middle-end/70843
4663         * fold-const.c (operand_equal_p): Don't verify hash value equality
4664         if arg0 == arg1.
4665         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
4666         and OMP_CLAUSE.
4667
4668 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4669
4670         PR target/70858
4671         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4672         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4673         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4674         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4675         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4676
4677 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4678
4679         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
4680         to info.  Don't initialize separate fields to 0.  Clean up
4681         formatting a bit.
4682
4683 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4684
4685         * config/i386/i386.md (peephole2s for operations with memory inputs):
4686         Use SWI mode iterator.
4687         (peephole2s for operations with memory outputs): Ditto.
4688         Do not check for stack checking probe.
4689
4690         (probe_stack): Remove expander.
4691
4692 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4693             Andrew Burgess  <andrew.burgess@embecosm.com>
4694
4695         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
4696         operands as 32-bits.
4697
4698 2016-04-28  Jason Merrill  <jason@redhat.com>
4699
4700         * gdbinit.in: Skip line-map.h.
4701
4702 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4703             Andrew Burgess  <andrew.burgess@embecosm.com>
4704
4705         * config/arc/arc.c (arc_conditional_register_usage): Take
4706         TARGET_RRQ_CLASS into account.
4707         (arc_print_operand): Support printing 'p' and 's' operands.
4708         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
4709         as 0.
4710         (TARGET_RRQ_CLASS): Define.
4711         (IS_POWEROF2_OR_0_P): Define.
4712         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
4713         alternatives.
4714         (*tst_movb): New define_insn.
4715         (*tst): Avoid recognition if it could prevent '*tst_movb'
4716         combination; replace c/CnL with c/Chs alternative.
4717         (*tst_bitfield_tst): New define_insn.
4718         (*tst_bitfield_asr): New define_insn.
4719         (*tst_bitfield): New define_insn.
4720         (andsi3_i): Add Rrq variant.
4721         (extzv): New define_expand.
4722         (insv): New define_expand.
4723         (*insv_i): New define_insn.
4724         (*movb): New define_insn.
4725         (*movb_signed): New define_insn.
4726         (*movb_high): New define_insn.
4727         (*movb_high_signed): New define_insn.
4728         (*movb_high_signed + 1): New define_split pattern.
4729         (*mrgb): New define_insn.
4730         (*mrgb + 1): New define_peephole2 pattern.
4731         (*mrgb + 2): New define_peephole2 pattern.
4732         * config/arc/arc.opt (mbitops): New option for nps400, uses
4733         TARGET_NPS_BITOPS_DEFAULT.
4734         * config/arc/constraints.md (q): Make register class conditional.
4735         (Rrq): New register constraint.
4736         (Chs): New constraint.
4737         (Clo): New constraint.
4738         (Chi): New constraint.
4739         (Cbf): New constraint.
4740         (Cbn): New constraint.
4741         (C18): New constraint.
4742         (Cbi): New constraint.
4743
4744 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4745
4746         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
4747         dst->popcount.
4748         (bitmap_intersection_of_preds): Ditto.
4749         (bitmap_union_of_succs): Ditto.
4750         (bitmap_union_of_preds): Ditto.
4751         * sbitmap.c (do_popcount): Delete.
4752         (BITMAP_DEBUGGING): Delete.
4753         (sbitmap_verify_popcount): Delete.
4754         (sbitmap_alloc): Don't initialize the popcount field.
4755         (sbitmap_alloc_with_popcount): Delete.
4756         (sbitmap_resize): Don't resize the popcount array.
4757         (sbitmap_vector_alloc): Don't initialize the popcount field.
4758         (bitmap_copy): Don't copy the popcount array.
4759         (bitmap_clear): Don't clear the popcount array.
4760         (bitmap_clear): Delete the popcount array handling.
4761         (bitmap_ior_and_compl): Delete the popcount assert.
4762         (bitmap_not): Ditto.
4763         (bitmap_and_compl): Ditto.
4764         (bitmap_and): Delete the popcount array handling.
4765         (bitmap_xor): Ditto.
4766         (bitmap_ior): Ditto.
4767         (bitmap_or_and): Delete the popcount assert.
4768         (bitmap_and_or): Ditto.
4769         (popcount_table): Delete.
4770         (sbitmap_elt_popcount): Delete.
4771         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
4772         (bitmap_set_bit): Delete the popcount assert.
4773         (bitmap_clear_bit): Ditto.
4774         (sbitmap_free): Don't free the popcount array.
4775         (sbitmap_alloc_with_popcount): Delete declaration.
4776         (sbitmap_popcount): Ditto.
4777
4778 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4779             Andrew Burgess  <andrew.burgess@embecosm.com>
4780
4781         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
4782         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
4783         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
4784         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
4785         * config/arc/arc.opt (mcmem): New option.
4786         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
4787         supply length for r/m alternative.
4788         (*extendqisi2_ac): Likewise.
4789         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
4790         r/Uex alternative.
4791         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
4792         (movhi_insn): Likewise.
4793         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
4794         (*zero_extendqihi2_i): Add r/Ucm alternative.
4795         (*zero_extendqisi2_ac): Likewise.
4796         (*zero_extendhisi2_i): Likewise.
4797         * config/arc/constraints.md (Uex): New memory constraint.
4798         (Ucm): New define_constraint.
4799         * config/arc/predicates.md (long_immediate_loadstore_operand):
4800         Return 0 for MEM with cmem_address address.
4801         (cmem_address_0): New predicates.
4802         (cmem_address_1): Likewise.
4803         (cmem_address_2): Likewise.
4804         (cmem_address): Likewise.
4805
4806 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4807
4808         * config/rs6000/rs6000.c (machine_function): Rename
4809         insn_chain_scanned_p to spe_insn_chain_scanned_p.
4810         (rs6000_stack_info): Adjust.
4811
4812 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4813             Andrew Burgess  <andrew.burgess@embecosm.com>
4814
4815         * config/arc/constraints.md (Usd): Convert to define_constraint.
4816         (Us<): Likewise.
4817         (Us>): Likewise.
4818
4819 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4820
4821         PR target/70821
4822         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
4823         Add new peephole2 where the first insn is *mov<mode>_or instead of
4824         *mov<mode>_internal.
4825
4826 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
4827
4828         * tracer.c (bb_seen): Make static.
4829
4830 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
4831
4832         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
4833         support, setup defaults.
4834         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
4835         * config/arc/arc.c (arc_init): Add NPS400 support.
4836         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
4837         (TARGET_ARC700): NPS400 is also an ARC700.
4838         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
4839
4840 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4841
4842         PR target/70668
4843         * config/nds32/nds32.md (casesi): Don't access the operands array
4844         out of bounds.
4845
4846 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4847
4848         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
4849         (or $-1,reg peephole2): Ditto.
4850         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
4851
4852 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
4853
4854         * doc/extend.texi (Common Function Attributes) [optimize]:
4855         Discourage use of the optimize attribute.
4856
4857 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
4858
4859         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
4860         special case builtin.
4861         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4862         ALTIVEC_BUILTIN_VEC_ADDE.
4863         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4864         support for ALTIVEC_BUILTIN_VEC_ADDE.
4865         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4866         for __builtin_vec_adde.
4867
4868 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4869
4870         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
4871         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
4872
4873 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4874
4875         PR testsuite/70595
4876         * doc/sourcebuild.texi (Effective-Target Keywords, Other
4877         attributes): Document cilkplus_runtime.
4878
4879 2016-04-28  Martin Jambor  <mjambor@suse.cz>
4880
4881         * tree-cfg.c (verify_expr): Verify that local declarations belong to
4882         this function.  Call verify_expr on MEM_REFs and bases of other
4883         handled_components.
4884
4885 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4886
4887         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
4888         for WORD_REGISTER_OPERATIONS to runtime check.
4889
4890 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4891
4892         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
4893
4894 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4895
4896         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
4897         big-endian compilation.
4898         * config/arc/arc.md (addf3): Likewise.
4899         (subdf3): Likewise.
4900         (muldf3): Likewise.
4901
4902 2016-04-28  Richard Biener  <rguenther@suse.de>
4903
4904         PR tree-optimization/70840
4905         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
4906         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
4907         Mark x * pow(x,c) -> pow(x,c+1) commutative.
4908         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
4909
4910 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4911
4912         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
4913         and explain why in a comment.
4914
4915 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4916
4917         * config/arc/arc.md (cpu_facility): Add fpx variant.
4918         (subdf3): Prohibit use reverse sub when assist operations option
4919         is enabled.
4920         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
4921         instructions only when FPX is enabled.
4922         * testsuite/gcc.target/arc/trsub.c: New test.
4923
4924 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4925
4926         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
4927         mult_operator when calculating "type" attribute.
4928         (*fop_<mode>_1_i387): Ditto.
4929         (*fop_xf_1_i387): Ditto.
4930         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
4931         Use std::swap to swap operands.  Use RTL expressions to generate
4932         converted pattern.
4933
4934 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4935             Joern Rennecke  <joern.rennecke@embecosm.com>
4936
4937         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
4938         declaration.
4939         (emit_pic_move): Remove.
4940         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
4941         * config/arc/arc.c (emit_pic_move): Removed.
4942         (TARGET_HAVE_TLS): Define.
4943         (arc_conditional_register_usage): Test for arc_tp_regno.
4944         (arc_print_operand, arc_print_operand_address): Handle TLS
4945         unspecs.
4946         (arc_needs_pcl_p): New function.
4947         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
4948         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
4949         (arc_raw_symbolic_reference_mentioned_p): Likewise.
4950         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
4951         (arc_legitimize_tls_address): Likewise.
4952         (DTPOFF_ZERO_SYM): Define.
4953         (arc_legitimize_pic_address): Make it static, handle TLS cases.
4954         (arc_output_pic_addr_const): Print TLS unspecs.
4955         (prepare_pic_move): New function, replaces emit_pic_move.
4956         (arc_legitimate_constant_p): Handle TLS unspecs.
4957         (arc_legitimate_address_p): Likewise.
4958         (arc_rewrite_small_data_p): Use assert for TLS constants.
4959         (prepare_move_operands): Use prepare_pic_move.
4960         (arc_legitimize_address): Legitimize tls addresses.
4961         (arc_epilogue_uses): Check for arc_tp_regno.
4962         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
4963         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
4964         Define.
4965         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
4966         Likewise.
4967         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
4968         %(arc_tls_extra_start_spec).
4969         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
4970         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
4971         (EH_USES): Define.
4972         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
4973         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
4974         (UNSPEC_TLS_OFF): Add.
4975         (R10_REG): Define.
4976         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
4977         (get_thread_pointersi): New patterns.
4978         * config/arc/arc.opt (mtp-regno): New option.
4979         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
4980         (move_dest_operand): Likewise.
4981         * configure: Regenerate.
4982         * configure.ac: Add arc*-*-* case to test for tls.
4983         * doc/invoke.texi (ARC options): Document mtp-regno.
4984
4985 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4986
4987         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
4988         the new ARC HS SIMD instructions.
4989         (arc_preferred_simd_mode): New function.
4990         (arc_autovectorize_vector_sizes): Likewise.
4991         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
4992         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
4993         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
4994         (arc_init_builtins): Add new SIMD builtin types.
4995         (arc_split_move): Handle 64 bit vector moves.
4996         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
4997         (TARGET_PLUS_QMACW): Define.
4998         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
4999         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
5000         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
5001         (VSUBADD4H): New builtins.
5002         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
5003         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
5004
5005 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
5006             Matthias Klose  <doko@debian.org>
5007
5008         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
5009
5010 2016-04-28  Richard Biener  <rguenther@suse.de>
5011
5012         PR middle-end/70777
5013         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
5014         canonicalization.
5015
5016 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
5017
5018         * common/config/sh/sh-common.c: Remove SH5 support.
5019         * config/sh/constraints.md: Likewise.
5020         * config/sh/config/sh/elf.h: Likewise.
5021         * config/sh/linux.h: Likewise.
5022         * config/sh/netbsd-elf.h: Likewise.
5023         * config/sh/predicates.md: Likewise.
5024         * config/sh/sh-c.c: Likewise.
5025         * config/sh/sh-protos.h: Likewise.
5026         * config/sh/sh.c: Likewise.
5027         * config/sh/sh.h: Likewise.
5028         * config/sh/sh.md: Likewise.
5029         * config/sh/sh.opt: Likewise.
5030         * config/sh/sync.md: Likewise.
5031         * config/sh/sh64.h: Delete.
5032         * config/sh/shmedia.h: Likewise.
5033         * config/sh/shmedia.md: Likewise.
5034         * config/sh/sshmedia.h: Likewise.
5035         * config/sh/t-netbsd-sh5-64: Likewise.
5036         * config/sh/t-sh64: Likewise.
5037         * config/sh/ushmedia.h: Likewise.
5038
5039 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
5040
5041         * config/i386/i386.md (sign_extend to memory peephole2s): Use
5042         general_reg_operand instead of register_operand predicate.
5043
5044 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5045
5046         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
5047
5048 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
5049
5050         * match.pd (A - B > A, A + B < A): New transformations.
5051
5052 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
5053
5054         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
5055         which defaults to true.  Emit an outer pair of parentheses only if
5056         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
5057         don't emit parentheses for the right-hand operand.
5058
5059 2016-04-27  Jeff Law  <law@redhat.com>
5060
5061         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
5062
5063 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5064
5065         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
5066         (altivec_lvx_<mode>_internal): Document.
5067         (altivec_lvx_<mode>_2op): New define_insn.
5068         (altivec_lvx_<mode>_1op): Likewise.
5069         (altivec_lvx_<mode>_2op_si): Likewise.
5070         (altivec_lvx_<mode>_1op_si): Likewise.
5071         (altivec_stvx_<mode>): Remove.
5072         (altivec_stvx_<mode>_internal): Document.
5073         (altivec_stvx_<mode>_2op): New define_insn.
5074         (altivec_stvx_<mode>_1op): Likewise.
5075         (altivec_stvx_<mode>_2op_si): Likewise.
5076         (altivec_stvx_<mode>_1op_si): Likewise.
5077         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5078         Expand vec_ld and vec_st during parsing.
5079         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
5080         changes.
5081         (altivec_expand_stvx_be): Likewise.
5082         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
5083         address-masking behavior in RTL.
5084         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
5085         address-masking behavior in RTL.
5086         (altivec_expand_builtin): Change builtin code arguments for calls
5087         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
5088         (insn_is_swappable_p): Avoid incorrect swap optimization in the
5089         presence of lvx/stvx patterns.
5090         (alignment_with_canonical_addr): New function.
5091         (alignment_mask): Likewise.
5092         (find_alignment_op): Likewise.
5093         (recombine_lvx_pattern): Likewise.
5094         (recombine_stvx_pattern): Likewise.
5095         (recombine_lvx_stvx_patterns): Likewise.
5096         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
5097         stvx patterns from expand.
5098         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
5099         expansions.
5100         (vector_altivec_store_<mode>): Likewise.
5101
5102 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
5103
5104         * config/aarch64/aarch64.md
5105         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
5106         remove the "fp" attributes.
5107         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
5108         add the "simd" attributes.
5109         (*movdf_aarch64): Likewise.
5110         (*movtf_aarch64): Remove the "fp" attributes.
5111         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
5112         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
5113
5114 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5115
5116         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
5117         rtx to rtx_code_label *.
5118         * rtl.h (maybe_set_first_label_num): Likewise.
5119
5120 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5121
5122         * df-core.c (df_add_problem): Make the problem param be const.
5123         (df_remove_problem): Make local "problem" be const.
5124         * df-problems.c (problem_RD): Make const.
5125         (problem_LR): Likewise.
5126         (problem_LIVE): Likewise.
5127         (problem_MIR): Likewise.
5128         (problem_CHAIN): Likewise.
5129         (problem_WORD_LR): Likewise.
5130         (problem_NOTE): Likewise.
5131         (problem_MD): Likewise.
5132         * df-scan.c (problem_SCAN): Likewise.
5133         * df.h (struct df_problem): Make field "dependent_problem" be
5134         const.
5135         (struct dataflow): Likewise for field "problem".
5136         (df_add_problem): Make param const.
5137
5138 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5139
5140         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
5141         inter-unit moves to/from vector registers are enabled.  Do not disable
5142         for TARGET_MMX.
5143
5144 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5145
5146         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
5147         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
5148         #define to...
5149         (enum df_problem_id): ...this new enum.
5150         (struct df_problem): Convert field "id" from "int" to
5151         enum df_problem_id.
5152
5153 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5154
5155         * rtl.def: Update comment for "things in the instruction chain" to
5156         reflect the removal of the leading "i" field for INSN_UID in
5157         r210360.  Fix bogus apostrophe.
5158
5159 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5160
5161         * config/i386/i386.md
5162         (lea arith with mem operand + setcc peephole2): Set operator mode.
5163
5164 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5165
5166         PR target/70155
5167         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
5168         (dimode_scalar_to_vector_candidate_p): This.
5169         (timode_scalar_to_vector_candidate_p): New function.
5170         (scalar_to_vector_candidate_p): Likewise.
5171         (timode_check_non_convertible_regs): Likewise.
5172         (timode_remove_non_convertible_regs): Likewise.
5173         (remove_non_convertible_regs): Likewise.
5174         (remove_non_convertible_regs): Renamed to ...
5175         (dimode_remove_non_convertible_regs): This.
5176         (scalar_chain::~scalar_chain): Make it virtual.
5177         (scalar_chain::compute_convert_gain): Make it pure virtual.
5178         (scalar_chain::mark_dual_mode_def): Likewise.
5179         (scalar_chain::convert_insn): Likewise.
5180         (scalar_chain::convert_registers): Likewise.
5181         (scalar_chain::add_to_queue): Make it protected.
5182         (scalar_chain::emit_conversion_insns): Likewise.
5183         (scalar_chain::replace_with_subreg): Likewise.
5184         (scalar_chain::replace_with_subreg_in_insn): Likewise.
5185         (scalar_chain::convert_op): Likewise.
5186         (scalar_chain::convert_reg): Likewise.
5187         (scalar_chain::make_vector_copies): Likewise.
5188         (scalar_chain::convert_registers): New pure virtual function.
5189         (class dimode_scalar_chain): New class.
5190         (class timode_scalar_chain): Likewise.
5191         (scalar_chain::mark_dual_mode_def): Renamed to ...
5192         (dimode_scalar_chain::mark_dual_mode_def): This.
5193         (timode_scalar_chain::mark_dual_mode_def): New function.
5194         (timode_scalar_chain::convert_insn): Likewise.
5195         (dimode_scalar_chain::convert_registers): Likewise.
5196         (scalar_chain::compute_convert_gain): Renamed to ...
5197         (dimode_scalar_chain::compute_convert_gain): This.
5198         (scalar_chain::replace_with_subreg): Renamed to ...
5199         (dimode_scalar_chain::replace_with_subreg): This.
5200         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
5201         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
5202         (scalar_chain::make_vector_copies): Renamed to ...
5203         (dimode_scalar_chain::make_vector_copies): This.
5204         (scalar_chain::convert_reg): Renamed to ...
5205         (dimode_scalar_chain::convert_reg ): This.
5206         (scalar_chain::convert_op): Renamed to ...
5207         (dimode_scalar_chain::convert_op): This.
5208         (scalar_chain::convert_insn): Renamed to ...
5209         (dimode_scalar_chain::convert_insn): This.
5210         (scalar_chain::convert): Call convert_registers.
5211         (convert_scalars_to_vector): Change to scalar_chain pointer to
5212         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
5213         in 32-bit mode.  Delete scalar_chain pointer.  Call
5214         free_dominance_info in 64-bit mode.
5215         (pass_stv::gate): Remove TARGET_64BIT check.
5216         (ix86_option_override): Put the 64-bit STV pass before the CSE
5217         pass.
5218
5219 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
5220
5221         * dwarf2out.h (struct dw_loc_descr_node): Remove the
5222         dw_loc_frame_offset field.
5223         * dwarf2out.c (new_loc_descr): Likewise.
5224         (resolve_args_picking_1): Turn the VISITED hash set into a
5225         FRAME_OFFSET hash map. Use it to associate a frame offset to
5226         visited nodes. Remove uses of the CHECKING_P macro.
5227         (resolve_args_picking): Update call to resolve_args_picking_1.
5228
5229 2016-04-27  Martin Liska  <mliska@suse.cz>
5230
5231         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
5232         (free_loop_data): Release vuses of groups.
5233
5234 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
5235
5236         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
5237         instead of redundant use_id and boolean have_use_for.
5238         (struct iv_use): Change sub_id into group_id.  Remove field next.
5239         Move fields: related_cands, n_map_members, cost_map and selected
5240         to ...
5241         (struct iv_group): ... here.  New structure.
5242         (struct iv_common_cand): Use structure declaration directly.
5243         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
5244         (MAX_CONSIDERED_USES): Rename macro to ...
5245         (MAX_CONSIDERED_GROUPS): ... here.
5246         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
5247         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
5248         (dump_uses): Rename to ...
5249         (dump_groups): ... here.  Update all uses.
5250         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
5251         (find_induction_variables): Refactor format of dump information.
5252         (record_sub_use): Delete.
5253         (record_use): Update all uses.
5254         (record_group): New function.
5255         (record_group_use, find_interesting_uses_op): Call above functions.
5256         Update all uses.
5257         (find_interesting_uses_cond): Ditto.
5258         (group_compare_offset): New function.
5259         (split_all_small_groups): Rename to ...
5260         (split_small_address_groups_p): ... here.  Update all uses.
5261         (split_address_groups):  Update all uses.
5262         (find_interesting_uses): Refactor format of dump information.
5263         (add_candidate_1): Update all uses.  Remove redundant check on iv,
5264         base and step.
5265         (add_candidate, record_common_cand): Remove redundant assert.
5266         (add_iv_candidate_for_biv): Update use.
5267         (add_iv_candidate_derived_from_uses): Update all uses.
5268         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
5269         (alloc_use_cost_map): Ditto.
5270         (set_use_iv_cost, get_use_iv_cost): Rename to ...
5271         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
5272         (determine_use_iv_cost_generic): Ditto.
5273         (determine_group_iv_cost_generic): Ditto.
5274         (determine_use_iv_cost_address): Ditto.
5275         (determine_group_iv_cost_address): Ditto.
5276         (determine_use_iv_cost_condition): Ditto.
5277         (determine_group_iv_cost_cond): Ditto.
5278         (determine_use_iv_cost): Ditto.
5279         (determine_group_iv_cost): Ditto.
5280         (set_autoinc_for_original_candidates): Update all uses.
5281         (find_iv_candidates): Update all uses.  Refactor dump information.
5282         (determine_use_iv_costs): Ditto.
5283         (determine_iv_costs): Ditto.
5284         (iv_ca_cand_for_use): Rename to ...
5285         (iv_ca_cand_for_group): ... here.  Update all uses.
5286         (iv_ca_add_use, iv_ca_add_group): Ditto.
5287         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
5288         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
5289         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
5290         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
5291         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
5292         (create_new_iv, adjust_iv_update_pos): Ditto.
5293         (rewrite_use_address): Delete.
5294         (rewrite_use_address_1): Rename to ...
5295         (rewrite_use_address): ... here.
5296         (rewrite_use_compare): Update all uses.
5297         (rewrite_use): Delete.
5298         (rewrite_uses): Rename to ...
5299         (rewrite_groups): ... here.  Update all uses.
5300         (remove_unused_ivs, free_loop_data): Update all uses.
5301         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
5302
5303 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5304
5305         * rtlanal.c (nonzero_bits1): Convert preprocessor check
5306         for WORD_REGISTER_OPERATIONS to runtime check.
5307
5308 2016-04-27  Richard Biener  <rguenther@suse.de>
5309
5310         PR ipa/70760
5311         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
5312         aggregate_value_p to determine if a function result is
5313         returned by reference.
5314         (ipa_pta_execute): Functions having their address taken are
5315         not automatically nonlocal.
5316
5317 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5318
5319         PR sanitizer/70683
5320         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
5321         * fold-const.c (operand_equal_p): If flag_checking and
5322         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
5323         and if it returns non-zero, assert iterative_hash_expr on both
5324         args is the same.
5325
5326 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5327
5328         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
5329
5330 2016-04-27  Nick Clifton  <nickc@redhat.com>
5331
5332         PR middle-end/49889
5333         * varasm.c (merge_weak): Generate an error if an attempt is made
5334         to convert a non-weak static function into a weak, public function.
5335
5336 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5337
5338         * params.def (MAX_PARTITION_SIZE): New param.
5339         * doc/invoke.texi: Document lto-max-partition.
5340
5341 2016-04-27  Richard Biener  <rguenther@suse.de>
5342
5343         PR ipa/70785
5344         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
5345         function cummulating used_from_other_partition, externally_visible
5346         and force_output from aliases.
5347         (refered_from_nonlocal_var): Likewise.
5348         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
5349         node flags properly.
5350
5351 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5352
5353         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
5354         (-Wmemset-elt-size): New item.
5355
5356 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5357
5358         PR ada/70759
5359         * stor-layout.h (internal_reference_types): Delete.
5360         * stor-layout.c (reference_types_internal): Likewise.
5361         (internal_reference_types): Likewise.
5362         (layout_type) <REFERENCE_TYPE>: Adjust.
5363
5364 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5365
5366         PR sanitizer/70683
5367         * tree.h (inchash::add_expr): Add FLAGS argument.
5368         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
5369         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
5370         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
5371         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
5372         if swap_tree_comparison (code) is smaller than code, hash that
5373         and arguments in the other order.  Hash CONVERT_EXPR the same
5374         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
5375         of ADDR_EXPR of decl as the decl itself.  Add or remove
5376         OEP_ADDRESS_OF from recursive flags as needed.  For
5377         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
5378         operands commutatively and only the third one normally.
5379         For internal CALL_EXPR hash in CALL_EXPR_IFN.
5380
5381 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5382
5383         * config/rtems.h (LIB_SPEC): Add -latomic.
5384
5385 2016-04-27  Joel Sherrill  <joel@rtems.org>
5386
5387         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
5388         xilink.ld and flags not relevant to RTEMS.
5389
5390 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
5391
5392         * toplev.c (backend_init_target): Avoid calling init_reload when using
5393         LRA.
5394
5395 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5396
5397         * reorg.c (try_merge_delay_insns): Declare i and j inside the
5398         for loops rather than one for the whole function.
5399
5400 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5401
5402         * match.pd (X + CST CMP X): New transformation.
5403
5404 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5405
5406         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
5407         * fold-const.c (fold_binary_loc): Remove 2 transformations
5408         superseded by match.pd.
5409         * match.pd (x+x -> x*2): Generalize to integers.
5410
5411 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
5412
5413         * config/i386/i386.md (operation on memory peephole): Duplicate an
5414         existing peephole and adapt it to match lea rather than an operation
5415         that clobbers CC.
5416
5417         PR rtl-optimization/57193
5418         * opts.c (default_options_table): Add OPT_frename_registers at -O2
5419         and above.
5420         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
5421
5422 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5423
5424         * tree-if-conv.c (any_pred_load_store): New static variable.
5425         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
5426         any_pred_load_store instead of and_mask_load_store.
5427         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
5428         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
5429         (combine_blocks, tree_if_conversion): Ditto.
5430
5431 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5432
5433         PR tree-optimization/70771
5434         PR tree-optimization/70775
5435         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
5436         virtual PHI nodes.  Delete parameter.
5437         (if_convertible_loop_p_1): Delete argument to above function.
5438         (predicate_all_scalar_phis): Delete code handling single-argument
5439         PHIs.
5440         (tree_if_conversion): Mark and update virtual SSA.
5441
5442 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5443
5444         PR target/61821
5445         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
5446         (x86_elf_aligned_common): Rename to ...
5447         (x86_elf_aligned_decl_common): ... this.
5448         Add decl arg.  Switch to .lbss for largecomm object.  Use
5449         LARGECOMM_SECTION_ASM_OP.
5450         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
5451         renaming.
5452         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
5453         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
5454         Pass new decl arg.
5455         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5456         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
5457
5458 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5459
5460         PR target/59407
5461         * config/i386/i386.c (SECTION_LARGE): Define.
5462         (x86_64_elf_select_section): Set it for large data/bss sections.
5463         Only clear SECTION_WRITE for .lrodata.
5464         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
5465         data/bss sections.
5466         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
5467         * varasm.c (default_elf_asm_named_section): Grow flagchars.
5468         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
5469         SECTION_MACH_DEP.
5470         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
5471         * doc/tm.texi: Regenerate.
5472
5473 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5474
5475         PR bootstrap/70704
5476         * configure.ac (--enable-checking): Document extra flag, for
5477         non-release builds default to --enable-checking=yes,extra.
5478         If misc checking and extra checking, define CHECKING_P to 2 instead
5479         of 1.
5480         * common.opt (fchecking=): Add.
5481         * doc/invoke.texi (-fchecking=): Document.
5482         * doc/install.texi: Document --enable-checking changes.
5483         * configure: Regenerated.
5484         * config.in: Regenerated.
5485
5486 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5487
5488         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
5489         attribute instead of which_alternative.
5490         * config/i386/sse.md (*mov<mode>_internal): Ditto.
5491         Use EXT_REX_SSE_REG_P where appropriate.
5492
5493 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5494
5495         * config/i386/predicates.md (const0_operand): Do not match
5496         const_wide_int code.
5497         (const1_operand): Ditto.
5498
5499 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5500
5501         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
5502         for SSE constm1 operands and TARGET_AVX512VL.
5503         (*movti_internal): Ditto.
5504         (*mov<mode>_or): Use constm1_operand predicate.
5505         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
5506         for SSE vector_all_ones operands and TARGET_AVX512VL.
5507         * config/i386/predicates.md (constm1_operand): New predicate.
5508         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
5509         emission of constant -1 load.
5510
5511 2016-04-25  Jason Merrill  <jason@redhat.com>
5512
5513         * gdbinit.in: Skip is-a.h.
5514
5515         * attribs.c (register_scoped_attributes): Fix logic.
5516         * attribs.h: Declare register_scoped_attributes.
5517
5518 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5519
5520         * config/rs6000/rs6000-builtin.def: Correct pasto error for
5521         stxvd2x and stxvw4x built-in functions.
5522
5523 2016-04-25  DJ Delorie  <dj@redhat.com>
5524
5525         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
5526         (ashrhi3): Likewise.
5527         (lshrhi3): Likewise.
5528
5529 2016-04-25  Richard Biener  <rguenther@suse.de>
5530
5531         PR tree-optimization/70780
5532         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
5533         wasn't visited yet.
5534         (compute_antic): Mark blocks with abnormal preds as visited as
5535         they have a final empty antic-in solution already.
5536
5537 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5538
5539         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
5540
5541 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5542
5543         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
5544         mode is VQI to improve mixed mode vectorization.
5545         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
5546         define_insn to match low half of signed vaddw.
5547         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
5548         define_insn to match high half of signed vaddw.
5549         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
5550         define_insn to match low half of unsigned vaddw.
5551         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
5552         define_insn to match high half of unsigned vaddw.
5553         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
5554         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5555         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
5556         for new function.
5557         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5558         * config/arm/predicates.md (vect_par_constant_high): Support
5559         big endian and simplify by calling
5560         arm_simd_check_vect_par_cnst_half
5561         (vect_par_constant_low): Likewise.
5562
5563 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5564
5565         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
5566         predicate for operand 2.
5567
5568 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
5569             H.J. Lu  <hongjiu.lu@intel.com>
5570
5571         * config/i386/i386-protos.h (standard_sse_constant_p): Add
5572         machine_mode argument.
5573         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
5574         constm1_rtx operands.  For VOIDmode constants, get mode from
5575         pred_mode.  Check mode size if the mode is supported by ABI.
5576         (standard_sse_constant_opcode): Do not use standard_constant_p.
5577         Strictly check ABI support for all-ones operands.
5578         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
5579         immediates. Update calls to standard_sse_constant_p.
5580         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
5581         (ix86_rtx_costs): Ditto.
5582         * config/i386/i386.md (*movxi_internal_avx512f): Use
5583         nonimmediate_or_sse_const_operand instead of vector_move_operand.
5584         Use (v,BC) alternative instead of (v,C). Use register_operand
5585         checks instead of MEM_P.
5586         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
5587         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
5588         isa attribute.  Use register_operand checks instead of MEM_P.
5589         (*movti_internal): Use nonimmediate_or_sse_const_operand for
5590         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
5591         alternative and corresponding sse2 isa attribute.
5592         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
5593         to standard_sse_constant_p.
5594         (FP constant splitters): Ditto.
5595         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
5596         (C): Ditto.
5597         * config/i386/predicates.md (constm1_operand): Remove.
5598         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
5599         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
5600         vector_all_ones_operand instead of constm1_operand.
5601
5602 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5603
5604         * print-rtl.c (print_rtx_insn_vec): New function.
5605         * print-rtl.h: New prototype.
5606         * store-motion.c (struct st_expr): Make avail_stores a vector.
5607         (st_expr_entry): Adjust.
5608         (free_st_expr_entry): Likewise.
5609         (print_store_motion_mems): Likewise.
5610         (find_moveable_store): Likewise.
5611         (compute_store_table): Likewise.
5612         (delete_store): Likewise.
5613         (build_store_vectors): Likewise.
5614
5615 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5616
5617         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
5618
5619 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5620
5621         * vec.h (vec_safe_contains): New function.
5622         (vec::contains): Likewise.
5623         (vec::begin): Likewise.
5624         (vec::end): Likewise.
5625
5626 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
5627
5628         PR sanitizer/70712
5629         * cfgexpand.c (expand_stack_vars): Fix typo.
5630
5631 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5632
5633         * system.h (list, map, set, vector): Include conditionally.
5634         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
5635         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
5636         * ipa-icf.c (INCLUDE_LIST): Define.
5637         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
5638         * config/sh/sh.c (INCLUDE_VECTOR): Define.
5639         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
5640         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
5641         * cp/logic.cc (INCLUDE_LIST): Define.
5642         * fortran/trans-common.c (INCLUDE_MAP): Define.
5643
5644 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5645
5646         * auto-profile.c: Remove <string.h> include.
5647         * ipa-icf-gimple.c: Remove <list> include.
5648         * diagnostic.c: Remove <new> include.
5649         * genmatch.c: Likewise.
5650         * pretty-print.c: Likewise.
5651         * toplev.c: Likewise
5652         * c/c-objc-common.c: Likewise.
5653         * cp/error.c: Likewise.
5654         * fortran/error.c: Likewise.
5655
5656 2016-04-22  Richard Biener  <rguenther@suse.de>
5657
5658         * lto-streamer-in.c (input_ssa_names): Do not allocate
5659         GIMPLE_NOP for all SSA names.
5660         * lto-streamer-out.c (output_ssa_names): Do not output
5661         SSA names that should have been released.
5662
5663 2016-04-22  Richard Biener  <rguenther@suse.de>
5664
5665         PR tree-optimization/70740
5666         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
5667         VDEF.
5668
5669 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5670
5671         PR target/70750
5672         * config/i386/predicates.md (call_insn_operand): Replace
5673         sibcall_memory_operand with memory_operand.
5674
5675 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
5676
5677         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
5678         has_single_use() tests.
5679         (register_edge_assert_for_1): Likewise.
5680         (find_assert_locations_1): Check the liveness bitmap instead of
5681         checking has_single_use().
5682
5683 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5684
5685         PR target/70728
5686         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
5687         Extract AVX-512BW constraint from AVX.
5688
5689 2016-04-21  Richard Biener  <rguenther@suse.de>
5690
5691         PR tree-optimization/70725
5692         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
5693         for phi_convertible_by_degenerating_args.
5694         (predicate_all_scalar_phis): Handle single-argument PHIs.
5695
5696 2016-04-21  Richard Biener  <rguenther@suse.de>
5697
5698         PR middle-end/70747
5699         * fold-const.c (fold_comparison): Return properly typed
5700         constant boolean.
5701
5702 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
5703
5704         PR tree-optimization/70715
5705         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
5706         after expanding BASE using expand_simple_operations.
5707
5708 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5709
5710         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
5711         New transformations.
5712
5713 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5714
5715         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
5716
5717 2016-04-20  Jan Hubicka  <jh@suse.cz>
5718
5719         * ipa-inline.c (can_inline_edge_p): Pass caller info to
5720         ultiimate_alias_target.
5721         (update_callee_keys): Likewise.
5722         (lookup_recursive_calls): Likewise.
5723         (speculation_useful_p): Likewise.
5724
5725 2016-04-20  Jan Hubicka  <jh@suse.cz>
5726
5727         PR ipa/70018
5728         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
5729         (set_nothrow_flag_1): ... this; handle interposition correctly;
5730         recurse on aliases and thunks.
5731         (cgraph_node::set_nothrow_flag): New.
5732         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
5733         functions compiled with non-call exceptions that binds to current
5734         def.
5735         (propagate_nothrow): Be safe WRT interposition.
5736         * cgraph.h (set_nothrow_flag): Update prototype.
5737
5738 2016-04-18  Jan Hubicka  <jh@suse.cz>
5739
5740         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5741         max_loop_iterations_int.
5742         (tree_unswitch_outer_loop): Likewise.
5743
5744 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5745
5746         PR tree-optimization/69489
5747         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
5748         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
5749         Revise dump message.
5750         (if_convertible_bb_p): Remove check on edge count of basic block's
5751         predecessors.
5752
5753 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5754
5755         PR tree-optimization/56625
5756         PR tree-optimization/69489
5757         * tree-data-ref.h (DR_INNERMOST): New macro.
5758         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
5759         hashing struct innermost_loop_behavior.
5760         (ref_DR_map): Remove.
5761         (innermost_DR_map): New map.
5762         (baseref_DR_map): Revise comment.
5763         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
5764         to innermost_DR_map accroding to its innermost loop behavior.
5765         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
5766         to its innermost loop behavior.
5767         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
5768         Add initialization for innermost_DR_map.  Record memory reference
5769         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
5770         have innermost loop behavior.
5771         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
5772         innermost_DR_map.
5773
5774 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
5775
5776         * config/i386/i386.md (*lea<mode>_general_1): Rename from
5777         *lea_general_1.  Use explicit SWI12 mode interator.
5778         (*lea<mode>_general_2): Rename from *lea_general_2.
5779         Use explicit SWI12 mode interator.
5780         (*lea<mode>_general_3): Rename from *lea_general_3.
5781         Use explicit SWI12 mode interator.
5782         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
5783         Use explicit SWI12 mode interator.
5784         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
5785         Use explicit SWI48 mode interator.
5786
5787 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5788
5789         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5790         Short-cut unaligned load and store cases.  Handle all integer
5791         vector modes.
5792         (ix86_expand_vector_move_misalign): Short-cut unaligned load
5793         and store cases.  Call ix86_avx256_split_vector_move_misalign
5794         directly without checking mode class.
5795
5796 2016-04-20  Andrew Pinski  <apinski@cavium.com>
5797             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5798
5799         PR target/64971
5800         * config/aarch64/aarch64.md (sibcall): Force call
5801         address to be DImode for ILP32.
5802         (sibcall_value): Likewise.
5803
5804 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5805
5806         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
5807
5808 2016-04-20  Richard Biener  <rguenther@suse.de>
5809
5810         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
5811         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
5812         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
5813         (maybe_push_res_to_seq): Adjust.
5814         * gimple-fold.c (maybe_build_generic_op): Likewise.
5815
5816 2016-04-20  Marek Polacek  <polacek@redhat.com>
5817
5818         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
5819         rather than true.
5820
5821 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
5822
5823         * config/i386/sse.md (vec_unpacks_lo_hi): Always
5824         use kmovw to support AVX512F target.
5825
5826 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5827
5828         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
5829
5830 2016-04-20  Marek Polacek  <polacek@redhat.com>
5831
5832         PR tree-optimization/70725
5833         * tree-if-conv.c (is_false_predicate): New function.
5834         (predicate_mem_writes): Use it.
5835
5836 2016-04-20  Richard Biener  <rguenther@suse.de>
5837
5838         PR tree-optimization/70726
5839         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
5840         shift amounts from a pattern stmt operand.
5841
5842 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5843
5844         PR target/70674
5845         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
5846         stack_restore_from_fpr pattern when restoring r15.
5847         (s390_optimize_prologue): Strip away the memory barrier in the
5848         parallel when trying to get rid of restore insns.
5849         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
5850         definition for loading the stack pointer from an FPR.  Compared to
5851         the normal move insn this pattern includes a full memory barrier.
5852
5853 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
5854
5855         PR middle-end/70680
5856         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
5857         implicitly linear or lastprivate iterator on the outer context.
5858
5859 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5860
5861         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
5862         alignment check.
5863         * config/i386/i386.md (ssememalign): Removed.
5864         * config/i386/sse.md: Remove ssememalign attribute from patterns.
5865
5866 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5867
5868         PR target/69201
5869         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
5870         const short * to __builtin_ia32_loaddquhi512_mask.
5871         (_mm512_maskz_loadu_epi16): Likewise.
5872         (_mm512_mask_storeu_epi16): Pass short * to
5873         __builtin_ia32_storedquhi512_mask.
5874         (_mm512_mask_loadu_epi8): Pass const char * to
5875         __builtin_ia32_loaddquqi512_mask.
5876         (_mm512_maskz_loadu_epi8): Likewise.
5877         (_mm512_mask_storeu_epi8): Pass char * to
5878         __builtin_ia32_storedquqi512_mask.
5879         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
5880         const double * to __builtin_ia32_loadupd512_mask.
5881         (_mm512_mask_loadu_pd): Likewise.
5882         (_mm512_maskz_loadu_pd): Likewise.
5883         (_mm512_storeu_pd): Pass double * to
5884         __builtin_ia32_storeupd512_mask.
5885         (_mm512_mask_storeu_pd): Likewise.
5886         (_mm512_loadu_ps): Pass const float * to
5887         __builtin_ia32_loadups512_mask.
5888         (_mm512_mask_loadu_ps): Likewise.
5889         (_mm512_maskz_loadu_ps): Likewise.
5890         (_mm512_storeu_ps): Pass float * to
5891         __builtin_ia32_storeups512_mask.
5892         (_mm512_mask_storeu_ps): Likewise.
5893         (_mm512_mask_loadu_epi64): Pass const long long * to
5894         __builtin_ia32_loaddqudi512_mask.
5895         (_mm512_maskz_loadu_epi64): Likewise.
5896         (_mm512_mask_storeu_epi64): Pass long long *
5897         to __builtin_ia32_storedqudi512_mask.
5898         (_mm512_loadu_si512): Pass const int * to
5899         __builtin_ia32_loaddqusi512_mask.
5900         (_mm512_mask_loadu_epi32): Likewise.
5901         (_mm512_maskz_loadu_epi32): Likewise.
5902         (_mm512_storeu_si512): Pass int * to
5903         __builtin_ia32_storedqusi512_mask.
5904         (_mm512_mask_storeu_epi32): Likewise.
5905         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
5906         char * to __builtin_ia32_storedquqi256_mask.
5907         (_mm_mask_storeu_epi8): Likewise.
5908         (_mm256_mask_loadu_epi16): Pass const short * to
5909         __builtin_ia32_loaddquhi256_mask.
5910         (_mm256_maskz_loadu_epi16): Likewise.
5911         (_mm_mask_loadu_epi16): Pass const short * to
5912         __builtin_ia32_loaddquhi128_mask.
5913         (_mm_maskz_loadu_epi16): Likewise.
5914         (_mm256_mask_loadu_epi8): Pass const char * to
5915         __builtin_ia32_loaddquqi256_mask.
5916         (_mm256_maskz_loadu_epi8): Likewise.
5917         (_mm_mask_loadu_epi8): Pass const char * to
5918         __builtin_ia32_loaddquqi128_mask.
5919         (_mm_maskz_loadu_epi8): Likewise.
5920         (_mm256_mask_storeu_epi16): Pass short * to.
5921         __builtin_ia32_storedquhi256_mask.
5922         (_mm_mask_storeu_epi16): Pass short * to.
5923         __builtin_ia32_storedquhi128_mask.
5924         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
5925         const double * to __builtin_ia32_loadupd256_mask.
5926         (_mm256_maskz_loadu_pd): Likewise.
5927         (_mm_mask_loadu_pd): Pass onst double * to
5928         __builtin_ia32_loadupd128_mask.
5929         (_mm_maskz_loadu_pd): Likewise.
5930         (_mm256_mask_storeu_pd): Pass double * to
5931         __builtin_ia32_storeupd256_mask.
5932         (_mm_mask_storeu_pd): Pass double * to
5933         __builtin_ia32_storeupd128_mask.
5934         (_mm256_mask_loadu_ps): Pass const float * to
5935         __builtin_ia32_loadups256_mask.
5936         (_mm256_maskz_loadu_ps): Likewise.
5937         (_mm_mask_loadu_ps): Pass const float * to
5938         __builtin_ia32_loadups128_mask.
5939         (_mm_maskz_loadu_ps): Likewise.
5940         (_mm256_mask_storeu_ps): Pass float * to
5941         __builtin_ia32_storeups256_mask.
5942         (_mm_mask_storeu_ps): ass float * to
5943         __builtin_ia32_storeups128_mask.
5944         (_mm256_mask_loadu_epi64): Pass const long long * to
5945         __builtin_ia32_loaddqudi256_mask.
5946         (_mm256_maskz_loadu_epi64): Likewise.
5947         (_mm_mask_loadu_epi64): Pass const long long * to
5948         __builtin_ia32_loaddqudi128_mask.
5949         (_mm_maskz_loadu_epi64): Likewise.
5950         (_mm256_mask_storeu_epi64): Pass long long * to
5951         __builtin_ia32_storedqudi256_mask.
5952         (_mm_mask_storeu_epi64): Pass long long * to
5953         __builtin_ia32_storedqudi128_mask.
5954         (_mm256_mask_loadu_epi32): Pass const int * to
5955         __builtin_ia32_loaddqusi256_mask.
5956         (_mm256_maskz_loadu_epi32): Likewise.
5957         (_mm_mask_loadu_epi32): Pass const int * to
5958         __builtin_ia32_loaddqusi128_mask.
5959         (_mm_maskz_loadu_epi32): Likewise.
5960         (_mm256_mask_storeu_epi32): Pass int * to
5961         __builtin_ia32_storedqusi256_mask.
5962         (_mm_mask_storeu_epi32): Pass int * to
5963         __builtin_ia32_storedqusi128_mask.
5964         * config/i386/i386-builtin-types.def (PCSHORT): New.
5965         (PINT64): Likewise.
5966         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
5967         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
5968         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
5969         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
5970         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
5971         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
5972         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
5973         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
5974         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
5975         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
5976         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
5977         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
5978         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
5979         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
5980         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
5981         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
5982         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
5983         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
5984         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
5985         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
5986         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
5987         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
5988         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
5989         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
5990         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
5991         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
5992         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
5993         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
5994         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
5995         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
5996         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
5997         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
5998         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
5999         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
6000         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
6001         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
6002         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
6003         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
6004         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
6005         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
6006         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
6007         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
6008         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
6009         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
6010         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
6011         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
6012         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
6013         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
6014         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
6015         use UNSPEC_STOREU.
6016         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
6017         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
6018         load nor store.
6019         (ix86_expand_vector_move_misalign): Likewise.
6020         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
6021         to scalar function prototype for unaligned load/store builtins.
6022         (ix86_expand_special_args_builtin): Updated.
6023         * config/i386/sse.md (UNSPEC_LOADU): Removed.
6024         (UNSPEC_STOREU): Likewise.
6025         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
6026         (VI_ULOADSTORE_F_AVX512VL): Likewise.
6027         (ssescalarsize): Handle V4TI, V2TI and V1TI.
6028         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
6029         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
6030         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
6031         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
6032         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
6033         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
6034         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
6035         (<avx512>_storedqu<mode>_mask): Likewise.
6036         (*sse4_2_pcmpestr_unaligned): Likewise.
6037         (*sse4_2_pcmpistr_unaligned): Likewise.
6038         (*mov<mode>_internal): Renamed to ...
6039         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
6040         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
6041         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
6042         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
6043
6044 2016-04-19  Richard Biener  <rguenther@suse.de>
6045
6046         PR tree-optimization/70171
6047         * tree-ssa-phiprop.c: Include stor-layout.h.
6048         (phiprop_insert_phi): Handle the aggregate copy case.
6049         (propagate_with_phi): Likewise.
6050
6051 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
6052
6053         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
6054         instead of simplify_gen_subreg (... , 0).
6055         (ix86_delegitimize_address): Ditto.
6056         (ix86_split_divmod): Ditto.
6057         (ix86_split_copysign_const): Ditto.
6058         (ix86_split_copysign_var): Ditto.
6059         (ix86_expand_args_builtin): Ditto.
6060         (ix86_expand_round_builtin): Ditto.
6061         (ix86_expand_special_args_builtin): Ditto.
6062         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
6063         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
6064         (udivmodqi4): Ditto.
6065         (absneg splitters): Ditto.
6066         (*jcc_bt<mode>_1): Ditto.
6067
6068 2016-04-19  Richard Biener  <rguenther@suse.de>
6069
6070         PR tree-optimization/70724
6071         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
6072         restoring out from ...
6073         (free_scc_vn): ... here.
6074         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
6075         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
6076         tail merging.
6077         (pass_fre::execute): Restore SSA info.
6078
6079 2016-04-19  Richard Biener  <rguenther@suse.de>
6080
6081         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
6082         * gimple-walk.c (walk_gimple_op): Initialize it.
6083         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
6084         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
6085         remapping SSA names of defs.
6086         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
6087         adjustment.
6088
6089 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
6090
6091         PR middle-end/70689
6092         * lra-constraints.c (equiv_substition_p): New.
6093         (process_alt_operands): Use it.
6094         (swap_operands): Swap it.
6095         (curr_insn_transform): Update it.
6096
6097 2016-04-18  Michael Matz  <matz@suse.de>
6098
6099         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
6100         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
6101         * tree-core.h (tree_type_common.align): Use bit-field.
6102         (tree_type_common.spare): New.
6103         (tree_decl_common.off_align): Make smaller.
6104         (tree_decl_common.align): Use bit-field.
6105
6106         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
6107         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
6108         (scan_sharing_clauses): Ditto.
6109         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6110         (omp_finish_file): Ditto.
6111         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
6112         (layout_decl): Ditto.
6113         (relayout_decl): Ditto.
6114         (finalize_record_size): Use SET_TYPE_ALIGN.
6115         (finalize_type_size): Ditto.
6116         (finish_builtin_struct): Ditto.
6117         (layout_type): Ditto.
6118         (initialize_sizetypes): Ditto.
6119         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
6120         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
6121         (lookup_field_for_decl): Use SET_DECL_ALIGN.
6122         (get_chain_field): Ditto.
6123         (get_trampoline_type): Ditto.
6124         (get_nl_goto_field): Ditto.
6125         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
6126         SET_DECL_ALIGN.
6127         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
6128         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
6129         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6130         (build_qualified_type): Use SET_TYPE_ALIGN.
6131         (build_aligned_type, build_range_type_1): Ditto.
6132         (build_atomic_base): Ditto.
6133         (build_common_tree_nodes): Ditto.
6134         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
6135         (expand_one_stack_var_at): Ditto.
6136         * coverage.c (build_var): Use SET_DECL_ALIGN.
6137         * except.c (init_eh): Ditto.
6138         * function.c (assign_parm_setup_block): Ditto.
6139         * symtab.c (increase_alignment_1): Ditto.
6140         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
6141         * tree-vect-stmts.c (ensure_base_align): Ditto.
6142         * varasm.c (align_variable): Ditto.
6143         (assemble_variable): Ditto.
6144         (build_constant_desc): Ditto.
6145         (output_constant_def_contents): Ditto.
6146
6147         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
6148         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
6149         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
6150         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
6151         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
6152
6153 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
6154
6155         PR target/70708
6156         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
6157         replace %vmovsd with "%vmovq".
6158         (vec_concatv2df): Likewise.
6159
6160 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
6161
6162         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
6163         (*vec_extractv2si_0): Ditto.
6164         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
6165         (zero_extended_scalar_load_operand splitters): Ditto.
6166         (vec_extract splitters): Ditto.
6167         (*vec_extractv4si_0_zext): Ditto.
6168         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
6169         and lowpart_subreg.
6170         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
6171         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
6172         (*sse4_1_extractps): Use lowpart_subreg.
6173         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
6174
6175 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6176
6177         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
6178         gld requirements.
6179         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
6180         Mention Solaris 11 packaging changes.
6181         Update gas and gld requirements.
6182         Remove reference to pre-Solaris 10 bug.
6183         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
6184         systems and bugs.
6185         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
6186         with cc.
6187
6188 2016-04-17  Jan Hubicka  <jh@suse.cz>
6189
6190         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
6191         max_loop_iterations_int.
6192
6193 2016-04-18  Richard Biener  <rguenther@suse.de>
6194
6195         PR tree-optimization/43434
6196         * tree-ssa-structalias.c (struct vls_data): New.
6197         (visit_loadstore): Handle all pointer-based accesses.
6198         (compute_dependence_clique): Compute a bitmap of restrict tags
6199         assigned bases and pass it to visit_loadstore.
6200
6201 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
6202
6203         PR target/70711
6204         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
6205         armv8.1-a and armv8.1-a+crc.
6206
6207 2016-04-18  Richard Biener  <rguenther@suse.de>
6208
6209         PR tree-optimization/70701
6210         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
6211         references after translating through a memcpy.
6212
6213 2016-04-18  Richard Biener  <rguenther@suse.de>
6214
6215         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
6216         (compute_antic): ... here.  For partial antic use regular
6217         postorder and scrap iteration.
6218         (compute_partial_antic_aux): Remove unused return value.
6219         (init_pre): Do not allocate postorder.
6220         (fini_pre): Do not free postorder.
6221
6222 2016-04-18  Richard Biener  <rguenther@suse.de>
6223
6224         PR middle-end/37870
6225         * expmed.c (extract_bit_field_1): Remove broken case
6226         using a wider MODE_INT mode.
6227
6228 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
6229
6230         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
6231         unless compiling with at least GCC-4.8.
6232
6233 2016-04-17  Jan Hubicka  <jh@suse.cz>
6234
6235         PR bootstrap/70706
6236         * graphite.c (graphite_finalize): Update call to
6237         tree_estimate_probability.
6238         * predict.h (tree_estimate_probability): Update prototype.
6239
6240 2016-04-17  Jan Hubicka  <jh@suse.cz>
6241
6242         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
6243         (tree_estimate_probability): Likewise.
6244         (pass_profile::execute): Update.
6245         (report_predictor_hitrates): New function.
6246         * profile.c (compute_branch_probabilities): Use it.
6247         * predict.h (report_predictor_hitrates): Declare.
6248
6249 2016-04-17  Jan Hubicka  <jh@suse.cz>
6250
6251         PR ipa/70018
6252         * cgraph.h (cgraph_node::set_const_flag,
6253         cgraph_node::set_pure_flag): Update prototype to return bool;
6254         update comment.
6255         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
6256         of interposable symbol are interposable, too.
6257         (cgraph_set_const_flag_1): Rename to ...
6258         (set_const_flag_1): ... this one; change to self recursive function
6259         instead of call_for_symbol_thunks_and_aliases. Handle correctly
6260         clearnig the flag in all variants and also virtual thunks of const
6261         functions are pure; track if any change was done.
6262         (cgraph_node::set_const_flag): Update.
6263         (struct set_pure_flag_info): New struct.
6264         (cgraph_set_pure_flag_1): Rename to ...
6265         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
6266         rather than pointer encoded flags; track if any changes was done;
6267         handle correctly clearning flag and setting flag of aliases already
6268         declared const.
6269         (cgraph_node::set_pure_flag): Update.
6270         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
6271
6272 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6273
6274         PR other/70433
6275         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
6276         backslash in label.
6277
6278 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6279
6280         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
6281         '{}<> ' as escape-for-record.
6282
6283 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6284
6285         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
6286         structure.
6287
6288 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6289
6290         PR other/70185
6291         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
6292         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
6293         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
6294         * passes.c (finish_optimization_passes): Only call
6295         finish_graph_dump_file if dfi->graph_dump_initialized.
6296         (execute_function_dump, pass_init_dump_file): Use
6297         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
6298
6299 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6300
6301         PR tree-optimization/70256
6302         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
6303         (debug_varmap): New function.
6304
6305 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6306
6307         PR other/70183
6308         * passes.c (pass_manager::register_pass): Propagate pflags.
6309
6310 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6311
6312         PR other/68875
6313         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
6314         * passes.c (pass_manager::pass_manager): Declare and init p_start in
6315         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
6316         check if it's equal to p_start.
6317         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
6318
6319 2016-04-15  Jan Hubicka  <jh@suse.cz>
6320
6321         PR ipa/70018
6322         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
6323         function does not bind to current def.
6324         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
6325         handle conservatively calls to functions that does not need to bind
6326         to current def.
6327         (check_call): Update call of worse_state.
6328         (ignore_edge_for_nothrow): Update.
6329         (ignore_edge_for_pure_const): Likewise.
6330         (propagate_pure_const): Update calls to worse_state.
6331         (skip_function_for_local_pure_const): Reformat comments.
6332
6333 2016-04-15  Jan Hubicka  <jh@suse.cz>
6334
6335         PR ipa/70018
6336         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
6337         (cgraph_node::function_symbol): Likewise.
6338         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6339         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
6340         (symtab_node::ultimate_alias_target): Add REF parameter.
6341         (symtab_node::binds_to_current_def_p): Declare.
6342         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
6343         (cgraph_node::function_symbol): Likewise.
6344         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6345         (cgraph_node::get_availability): Likewise.
6346         (cgraph_edge::binds_to_current_def_p): New inline function.
6347         (varpool_node::get_availability): Add REF parameter.
6348         (varpool_node::ultimate_alias_target): Likewise.
6349         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
6350         (symtab_node::binds_to_current_def_p): Likewise.
6351         * varpool.c (varpool_node::get_availability): Likewise.
6352
6353 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6354
6355         PR target/70662
6356         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
6357         Fix mode size check.
6358
6359 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6360
6361         * BASE-VER: Set to 7.0.0.
6362
6363 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
6364
6365         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
6366
6367 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6368
6369         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
6370         architecture revisions.
6371
6372 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
6373
6374         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
6375         * config/i386/i386.c (ix86_using_red_zone): No longer static.
6376         * config/i386/i386.md (stack decrement to push peepholes): Guard
6377         with !x86_using_red_zone ().
6378
6379 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR c++/70675
6382         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
6383         to dump_generic_node.
6384         (NIY): Pass also flags to do_niy.
6385
6386 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
6387
6388         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
6389         (simd_clone_vector_of_formal_parm_types)
6390         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
6391         (simd_clone_mangle, simd_clone_create)
6392         (simd_clone_adjust_return_type, create_tmp_simd_array)
6393         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
6394         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
6395         (ipa_simd_modify_function_body, simd_clone_linear_addend)
6396         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
6397         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
6398         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
6399         * omp-simd-clone.c: ... this new file.
6400         (simd_clone_vector_of_formal_parm_types): Make it static.
6401         * Makefile.in (OBJS): Add omp-simd-clone.o.
6402
6403 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6404
6405         PR target/70662
6406         * config/i386/sse.md: Use proper memory operand modifiers.
6407
6408
6409 2016-04-15  Richard Biener  <rguenther@suse.de>
6410         Alan Modra  <amodra@gmail.com>
6411
6412         PR tree-optimization/70130
6413         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
6414         when alignment stays not the same and no not use the realign
6415         scheme then.
6416
6417 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6418
6419         PR target/70669
6420         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6421         direct move handlers for KFmode. Change TFmode handlers test from
6422         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
6423
6424 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
6425
6426         PR c++/70594
6427         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
6428         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
6429         (inlined_polymorphic_ctor_dtor_block_p): Use it.
6430         * tree-ssa-live.c (remove_unused_scope_block_p): When
6431         in_ctor_dtor_block, avoid discarding not just BLOCKs with
6432         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
6433         block_ultimate_origin is FUNCTION_DECL.
6434         (remove_unused_locals): If current_function_decl is
6435         polymorphic_ctor_dtor_p, pass initial true to
6436         remove_unused_scope_block_p' is_ctor_dtor_block.
6437
6438 2016-04-14  Martin Sebor  <msebor@redhat.com>
6439
6440         PR c++/69517
6441         PR c++/70019
6442         PR c++/70588
6443         * doc/extend.texi (Variable Length): Revert.
6444
6445 2016-04-14  Marek Polacek  <polacek@redhat.com>
6446             Jan Hubicka  <hubicka@ucw.cz>
6447
6448         PR c++/70029
6449         * tree.c (verify_type): Disable the canonical type of main variant
6450         check.
6451
6452 2016-04-14  Jason Merrill  <jason@redhat.com>
6453
6454         * cfgexpand.c, expr.c: Revert previous change.
6455
6456 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
6457
6458         PR middle-end/70643
6459         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
6460         when building a mem ref for the incoming reduction variable.
6461
6462 2016-04-14  Richard Biener  <rguenther@suse.de>
6463
6464         PR tree-optimization/70614
6465         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
6466         loop if the evolution dropped to chrec_dont_know.
6467         (interpret_condition_phi): Likewise.
6468
6469 2016-04-14  Richard Biener  <rguenther@suse.de>
6470
6471         PR tree-optimization/70623
6472         * tree-ssa-pre.c (changed_blocks): Make global ...
6473         (compute_antic): ... local here.  Move and fix worklist
6474         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
6475         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
6476         worklist handling, dump when ANTIC_IN changed.
6477         (compute_partial_antic_aux): Remove worklist handling.
6478         (init_pre): Do not compute post dominators.  Add a comment about
6479         the CFG order chosen.
6480         (fini_pre): Do not free post dominators.
6481
6482 2016-04-13  Martin Sebor  <msebor@redhat.com>
6483
6484         PR c++/69517
6485         PR c++/70019
6486         PR c++/70588
6487         * doc/extend.texi (Variable Length): Document C++ specifics.
6488
6489 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6490
6491         PR c++/70641
6492         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
6493         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
6494         eh edges have been purged.
6495
6496         PR c++/70594
6497         * tree-sra.c (create_access_replacement,
6498         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
6499         gets fancy name.
6500         * tree-pretty-print.c (dump_fancy_name): New function.
6501         (dump_decl_name, dump_generic_node): Use it.
6502
6503 2016-04-13  Jason Merrill  <jason@redhat.com>
6504
6505         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
6506         * expr.c (expand_expr_real_1): Likewise.
6507
6508 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
6509
6510         * config/i386/i386.md (kunpckhi): Swap operands.
6511         (kunpcksi): Likewise.
6512         (kunpckdi): Likewise.
6513         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
6514         (vec_pack_trunc_<mode>): Likewise.
6515
6516 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6517
6518         PR debug/70628
6519         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
6520
6521         PR middle-end/70633
6522         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
6523         gimplification turns some element into non-constant.
6524
6525         PR debug/70628
6526         * rtl.h (convert_memory_address_addr_space_1): New prototype.
6527         * explow.c (convert_memory_address_addr_space_1): No longer static,
6528         add NO_EMIT argument and don't call convert_modes if true, pass
6529         it down recursively, remove break after return.
6530         (convert_memory_address_addr_space): Adjust caller.
6531         * simplify-rtx.c (simplify_unary_operation_1): Call
6532         convert_memory_address_addr_space_1 instead of convert_memory_address,
6533         if it returns NULL, don't simplify.
6534
6535 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6536
6537         PR target/70630
6538         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6539
6540 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6541
6542         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6543         Bump the upper SIMDLEN limits, so that if the return type or
6544         characteristic type if the return type is void can be passed in
6545         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
6546         allowed.
6547
6548 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6549
6550         PR target/70640
6551         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
6552         Do not use "=" constraint on an input constraint.
6553         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
6554         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
6555         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
6556         generates (neg (abs ...)) instead of (abs ...).
6557
6558 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6559
6560         PR rtl-optimization/70596
6561         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
6562         just invalidate LRA data and reset them.  Adjust dump wording.
6563
6564 2016-04-12  Martin Liska  <mliska@suse.cz>
6565
6566         Revert
6567         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6568
6569         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6570         estimates here.
6571         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6572         max_loop_iterations_int.
6573         (tree_unswitch_outer_loop): Likewise.
6574         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6575         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6576
6577 2016-04-12  Tom de Vries  <tom@codesourcery.com>
6578
6579         PR tree-optimization/68756
6580         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
6581         instead of new_name.
6582
6583 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6584
6585         PR tree-optimization/70602
6586         * tree-sra.c (generate_subtree_copies): Don't write anything into
6587         constant pool decls.
6588
6589         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
6590         regardless whether there are depend clauses or not.
6591
6592 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6593
6594         PR target/70381
6595         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
6596         target attribute and pragma from changing the -mfloat128
6597         and -mfloat128-hardware options.
6598
6599         * doc/extend.texi (Additional Floating Types): Document PowerPC
6600         __float128 restrictions.
6601
6602 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6603
6604         PR target/70133
6605         * config/aarch64/driver-aarch64.c
6606         (aarch64_get_extension_string_for_isa_flags): New.
6607         (arch_extension): Rename to...
6608         (aarch64_arch_extension): ...This.
6609         (ext_to_feat_string): Rename to...
6610         (aarch64_extensions): ...This.
6611         (aarch64_core_data): Keep track of architecture extension flags.
6612         (cpu_data): Rename to...
6613         (aarch64_cpu_data): ...This.
6614         (aarch64_arch_driver_info): Keep track of architecture extension
6615         flags.
6616         (get_arch_name_from_id): Rename to...
6617         (get_arch_from_id): ...This, change return type.
6618         (host_detect_local_cpu): Update and reformat for renames, handle
6619         extensions through common infrastructure.
6620
6621 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6622
6623         PR target/70133
6624         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
6625         track of a canonical flag name.
6626         (all_extensions): Likewise.
6627         (arch_to_arch_name): Also track extension flags enabled by the arch.
6628         (all_architectures): Likewise.
6629         (aarch64_parse_extension): Move to here.
6630         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
6631         rework.
6632         (aarch64_rewrite_selected_cpu): Update for above change.
6633         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
6634         are handled, such that the single explicit value enabled by an
6635         extension is kept seperate from the implicit values it also enables.
6636         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
6637         to here.
6638         (aarch64_parse_extension): New.
6639         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
6640         here to config/aarch64/aarch64-protos.h.
6641         (aarch64_parse_extension): Move from here to
6642         common/config/aarch64/aarch64-common.c.
6643         (aarch64_option_print): Update.
6644         (aarch64_declare_function_name): Likewise.
6645         (aarch64_start_file): Likewise.
6646         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
6647         the canonical flag for extensions.
6648         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
6649         flags.
6650
6651 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6652
6653         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
6654         AARCH64_FL_CRC.
6655
6656 2016-04-09  Tom de Vries  <tom@codesourcery.com>
6657
6658         PR tree-optimization/68953
6659         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
6660         first to last subscript.
6661
6662 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
6663
6664         PR tree-optimization/70586
6665         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
6666         for any calls.
6667
6668 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
6669
6670         PR lto/70289
6671         PR ipa/70348
6672         PR tree-optimization/70373
6673         PR middle-end/70533
6674         PR middle-end/70534
6675         PR middle-end/70535
6676         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
6677         clauses for acc parallel reductions as necessary.  Error on those
6678         that are private.
6679         * omp-low.c (scan_sharing_clauses): Don't install variables which
6680         are used in acc parallel reductions.
6681         (lower_rec_input_clauses): Remove dead code.
6682         (lower_oacc_reductions): Add support for reference reductions.
6683         (lower_reduction_clauses): Remove dead code.
6684         (lower_omp_target): Don't remap variables appearing in acc parallel
6685         reductions.
6686         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
6687
6688 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
6689
6690         PR middle-end/70593
6691         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
6692         with multiple SSA_NAME defs, force the outputs other than first
6693         to be live before calling live_track_process_def on each output.
6694
6695         PR rtl-optimization/70574
6696         * fwprop.c (forward_propagate_and_simplify): Don't add
6697         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
6698         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
6699         paradoxical subregs within *loc.
6700
6701 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
6702
6703         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
6704         -ftree-parallelize-loops={0,1}.
6705         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
6706         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
6707         * config/ia64/hpux.h (LIB_SPEC): Likewise.
6708         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
6709         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
6710
6711 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
6712
6713         PR sanitizer/70541
6714         * asan.c (instrument_derefs): If we get unknown location, extract it
6715         with EXPR_LOCATION.
6716         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
6717
6718 2016-04-08  Tom de Vries  <tom@codesourcery.com>
6719
6720         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
6721         implicit firstprivate clause.
6722
6723 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6724
6725         PR target/70566
6726         * config/arm/thumb2.md (tst + branch-> lsls + branch
6727         peephole below *orsi_not_shiftsi_si): Require that condition
6728         register is dead after the peephole.
6729         (second peephole after the above): Likewise.
6730
6731 2016-04-08  Alan Modra  <amodra@gmail.com>
6732
6733         PR target/70117
6734         * builtins.c (fold_builtin_classify): For IBM extended precision,
6735         look at just the high-order double to test for NaN.
6736         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
6737         test just the high double for Inf but both doubles for subnormal
6738         limit.
6739
6740 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
6741
6742         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
6743         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
6744         node->simdclone->mask_mode != VOIDmode masks.
6745         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
6746         earlier, use it instead of node->simdclone.
6747         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6748         Set clonei->mask_mode.
6749
6750 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6751
6752         PR c/70436
6753         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
6754         Pass it through to cp_parser_already_scoped_statement.
6755         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
6756         it through to cp_parser_statement.
6757         (cp_parser_statement): Pass IF_P through to
6758         cp_parser_iteration_statement.
6759         (cp_parser_pragma): Adjust call to
6760         cp_parser_iteration_statement.
6761
6762 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6763
6764         PR c/70436
6765         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
6766         resolve a future -Wparentheses warning.
6767         * omp-low.c (scan_sharing_clauses): Likewise.
6768         * tree-parloops.c (eliminate_local_variables): Likewise.
6769
6770 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
6771
6772         PR rtl-optimization/70398
6773         * lra-constraints.c (process_address_1): Check zero scale and code
6774         for reloading with zero scale.
6775
6776 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
6777
6778         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
6779         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
6780
6781 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
6782
6783         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6784         Add support for AVX512F clones, include them by default for
6785         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
6786         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
6787         up to 128.
6788
6789         PR middle-end/70550
6790         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
6791         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
6792         firstprivate clauses.
6793         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
6794         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
6795         (lower_omp_target): Set TREE_NO_WARNING for
6796         non-addressable possibly uninitialized vars which are copied into
6797         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
6798
6799 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
6800
6801         * config/pa/predicates.md (integer_store_memory_operand): Accept
6802         REG+D operands with a large offset when reload_in_progress is true.
6803         (floating_point_store_memory_operand): Likewise.
6804
6805 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6806
6807         PR c++/70336
6808         * match.pd (nested int casts): Limit to GIMPLE.
6809
6810 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
6811
6812         PR ipa/66223
6813         * ipa-devirt.c (maybe_record_node): Fix comment; use
6814         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
6815
6816 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6817
6818         PR rtl-optimization/70542
6819         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
6820         if there are any uses other than insn or debug insns.
6821
6822 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
6823             Jakub Jelinek  <jakub@redhat.com>
6824
6825         PR tree-optimization/70509
6826         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
6827         Shift HOST_WIDE_INT_1U instead of 1.
6828
6829 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
6830
6831         PR tree-optimization/70509
6832         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
6833         of the vector base type for index.
6834
6835 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
6836
6837         PR target/70510
6838         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
6839
6840 2016-04-05  Richard Biener  <rguenther@suse.de>
6841
6842         PR tree-optimization/70526
6843         * tree-sra.c (build_ref_for_offset): Use prev_base to
6844         extract the alias pointer type.
6845
6846 2016-04-05  Richard Biener  <rguenther@suse.de>
6847
6848         * dse.c (struct store_info): Remove alias_set member.
6849         (struct read_info_type): Likewise.
6850         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
6851         spill_deleted, clear_alias_set_lookup): Remove.
6852         (get_group_info): Remove dead base == NULL_RTX case.
6853         (dse_step0): Remove initialization of removed variables.
6854         (delete_dead_store_insn): Reomve alias set dumping.
6855         (free_read_records): Remove alias_set handling.
6856         (canon_address): Remove alias_set_out parameter.
6857         (record_store): Remove spill_alias_set, it's always zero.
6858         (check_mem_read_rtx): Likewise.
6859         (dse_step2): Rename from ...
6860         (dse_step2_nospill): ... this.  Adjust.
6861         (scan_stores): Rename from ...
6862         (scan_stores_nospill): ... this.
6863         (scan_reads): Rename from ...
6864         (scan_reads_nospill): ... this.
6865         (scan_stores_spill, scan_reads_spill): Remove.
6866         (dse_step3_scan): Remove for_spills argument which is always false.
6867         (dse_step3): Likewise.
6868         (dse_step5): Rename from ...
6869         (dse_step5_nospill): ... this.  Remove alias_set handling.
6870         (rest_of_handle_dse): Adjust.
6871
6872 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6873
6874         PR target/70525
6875         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
6876         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6877         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
6878         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
6879
6880 2016-04-05  Richard Biener  <rguenther@suse.de>
6881
6882         PR middle-end/70499
6883         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
6884         non-register type temporaries into SSA.
6885
6886 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
6887
6888         PR ipa/66223
6889         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
6890         calls when sanitizing.
6891         (possible_polymorphic_call_target_p): Fix formatting.
6892
6893 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6894             Jakub Jelinek <jakub@redhat.com>
6895
6896         PR middle-end/70457
6897         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
6898         to ensure a call statement is compatible with a built-in's
6899         prototype.
6900         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
6901         Likewise.
6902
6903 2016-04-04  Richard Biener  <rguenther@suse.de>
6904
6905         PR rtl-optimization/70484
6906         * rtl.h (canon_output_dependence): Declare.
6907         * alias.c (canon_output_dependence): New function.
6908         * dse.c (record_store): Use canon_output_dependence rather
6909         than canon_true_dependence.
6910
6911 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6912
6913         PR ipa/68881
6914         * cgraph.h (symtab_node::copy_visibility_from): New function.
6915         * symtab.c (symtab_node::copy_visibility_from): New function.
6916         * ipa-visibility.c (optimize_weakref): New function.
6917         (function_and_variable_visibility): Use it.
6918
6919 2016-04-04  Martin Liska  <mliska@suse.cz>
6920
6921         PR hsa/70402
6922         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
6923         value that is really in range handled by SBR instruction.
6924         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
6925         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
6926         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
6927
6928 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
6929
6930         PR target/70416
6931         PR target/67391
6932         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
6933         set, but not for SP_REG operands.
6934
6935 2016-04-02  Martin Sebor  <msebor@redhat.com>
6936
6937         PR c++/67376
6938         * fold-const.c (maybe_nonzero_address): New function.
6939         (fold_comparison): Call it.  Fold equality and relational
6940         expressions involving null pointers.
6941         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
6942
6943 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
6944
6945         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
6946         the "Y" constraint (scalar FP 0.0 immediate).
6947
6948         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
6949         Add the "const_double" to the list of operand constraints.
6950
6951 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
6952
6953         PR rtl-optimization/70467
6954         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
6955         If low word of the last operand is 0, just emit addition/subtraction
6956         for the high word.
6957
6958 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6959
6960         PR target/70404
6961         * config/s390/s390.c (s390_expand_insv): Check for everything
6962         constant instead of just VOIDmode stuff.
6963
6964 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6965
6966         PR target/70496
6967         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
6968
6969 2016-04-01  Nathan Sidwell  <nathan@acm.org>
6970
6971         * tree.def (TRY_CATCH_EXPR): Correct documentation.
6972
6973 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6974
6975         PR rtl-optimization/70461
6976         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
6977         is necessary.
6978
6979 2016-03-31  Martin Liska  <mliska@suse.cz>
6980
6981         PR hsa/70399
6982         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
6983         a tree value or an immediate integer value to a buffer
6984         that is eventually copied to a BRIG section.
6985         (emit_immediate_operand): Call the function here.
6986         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
6987         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
6988         of class' fields that are removed.
6989         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
6990         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
6991         m_brig_repr_size fields.
6992
6993 2016-03-31  Martin Liska  <mliska@suse.cz>
6994
6995         PR hsa/70391
6996         * hsa-gen.c (hsa_function_representation::update_dominance): New
6997         function.
6998         (convert_addr_to_flat_segment): Likewise.
6999         (gen_hsa_memory_set): New alignment argument.
7000         (gen_hsa_ctor_assignment): Likewise.
7001         (gen_hsa_insns_for_single_assignment): Provide alignment
7002         to gen_hsa_ctor_assignment.
7003         (gen_hsa_insns_for_direct_call): Add new argument.
7004         (expand_lhs_of_string_op): New function.
7005         (expand_string_operation_builtin): Likewise.
7006         (expand_memory_copy): New function.
7007         (expand_memory_set): New function.
7008         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
7009         (convert_switch_statements): Change signature.
7010         (generate_hsa): Use a return value of the function.
7011         (pass_gen_hsail::execute): Do not call
7012         convert_switch_statements here.
7013         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
7014         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
7015         (hsa_function_representation::update_dominance): New function.
7016
7017 2016-03-31  Martin Liska  <mliska@suse.cz>
7018
7019         PR hsa/70391
7020         * hsa-brig.c (emit_directive_variable): Emit alignment
7021         according to hsa_symbol::m_align.
7022         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
7023         (dump_hsa_symbol): Dump alignment of HSA symbols.
7024         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
7025         (gen_hsa_addr_with_align): New function.
7026         (hsa_bitmemref_alignment): Use newly added function.
7027         (gen_hsa_insns_for_load): Likewise.
7028         (gen_hsa_insns_for_store): Likewise.
7029         (gen_hsa_memory_copy): New argument added.
7030         (gen_hsa_insns_for_single_assignment): Respect
7031         alignment for assignments processed via gen_hsa_memory_copy.
7032         (gen_hsa_insns_for_direct_call): Likewise.
7033         (gen_hsa_insns_for_return): Likewise.
7034         (gen_function_def_parameters): Set default alignment.
7035         * hsa.c (hsa_object_alignment): New function.
7036         (hsa_byte_alignment): Pasted function.
7037         * hsa.h (hsa_symbol::m_align): New field.
7038
7039 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
7040
7041         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
7042         scratch field for goto case.
7043
7044 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
7045
7046         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
7047
7048 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
7049
7050         PR target/70442
7051         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
7052         (scalar_chain::convert_insn): Call convert_op for reg
7053         moves to handle undefined registers.
7054
7055 2016-03-31  Nathan Sidwell  <nathan@acm.org>
7056
7057         PR c++/70393
7058         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
7059         Assert we don't want to move backwards.
7060
7061 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
7062
7063         PR target/70453
7064         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
7065
7066 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
7067
7068         PR rtl-optimization/70460
7069         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
7070         with operand from REG_LABEL_OPERAND, instead substitute
7071         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
7072         Don't do anything for REG_NON_LOCAL_GOTO jumps.
7073
7074 2016-03-31  Martin Liska  <mliska@suse.cz>
7075
7076         * passes.c (execute_one_pass): Do not call
7077         todo_after for a discarded function.
7078
7079 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
7080
7081         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
7082         (no_cost, infinite_cost): Initialize the new field.
7083         (get_computation_cost_at): Record setup cost.
7084         (determine_use_iv_cost_address): Skip cost computation for sub
7085         uses if we can estimate it without losing accuracy.
7086
7087 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
7088
7089         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
7090         estimates here.
7091         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7092         max_loop_iterations_int.
7093         (tree_unswitch_outer_loop): Likewise.
7094         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
7095         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
7096
7097 2016-03-30  Richard Biener  <rguenther@suse.de>
7098
7099         PR middle-end/70450
7100         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
7101
7102 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
7103
7104         PR target/70421
7105         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
7106         in gen_blendm expander.
7107
7108 2016-03-30  Nick Clifton  <nickc@redhat.com>
7109
7110         PR target/62254
7111         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
7112         case where we are already provided with an SImode SUBREG.
7113
7114 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7115
7116         PR target/70439
7117         * config/i386/i386.c (ix86_expand_epilogue): Properly check
7118         conflict between DRAP register and __builtin_eh_return.
7119
7120 2016-03-30  Michael Matz  <matz@suse.de>
7121             Richard Biener  <rguenther@suse.de>
7122
7123         PR ipa/12392
7124         * ipa-polymorphic-call.c (struct type_change_info): Change
7125         speculative to an unsigned allowing to limit the work we do.
7126         (csftc_abort_walking_p): New inline function..
7127         (check_stmt_for_type_change): Limit the number of may-defs
7128         skipped for speculative devirtualization to
7129         max-speculative-devirt-maydefs.
7130         * params.def (max-speculative-devirt-maydefs): New param.
7131         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
7132
7133 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
7134
7135         PR target/63890
7136         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
7137         and TARGET_MACHO.
7138
7139 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
7140
7141         PR tree-optimization/59124
7142         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
7143         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
7144
7145 2016-03-29  Jeff Law  <law@redhat.com>
7146
7147         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
7148
7149 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7150
7151         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
7152         to HOST_WIDE_INT.
7153
7154 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
7155
7156         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
7157         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
7158         gcrt0.o if linking dynamically.
7159
7160 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7161
7162         PR ipa/70283
7163         * ipa-devirt.c (methods_equal_p): New function.
7164         (compare_virtual_tables): Use it.
7165         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
7166         * cgraphclones.c (clone_function_name_1): Use
7167         symbol_table::symbol_suffix_separator.
7168         * coverage.c (build_var): Likewise.
7169         * symtab.c (symbol_table::symbol_suffix_separator): New.
7170
7171 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
7172
7173         PR rtl-optimization/70429
7174         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
7175         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
7176         mode != result_mode.
7177
7178         PR c++/70353
7179         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
7180
7181         PR tree-optimization/70405
7182         * ssa-iterators.h (num_imm_uses): Add missing braces.
7183
7184 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7185
7186         PR rtl-optimization/68695
7187         * ira-color.c (allocno_copy_cost_saving): New.
7188         (improve_allocation): Use it.
7189
7190 2016-03-29  Richard Henderson  <rth@redhat.com>
7191
7192         PR middle-end/70355
7193         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
7194
7195 2016-03-29  Richard Biener  <rguenther@suse.de>
7196
7197         PR middle-end/70424
7198         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
7199         use alignment returned by get_pointer_alignment_1 if it is
7200         bigger than BITS_PER_UNIT.
7201         * builtins.c (get_pointer_alignment_1): Do not return true
7202         for alignment extracted from SSA info.
7203
7204 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
7205
7206         * config/ft32/ft32.opt (mnodiv): New.
7207         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
7208         * doc/invoke.texi (FT32 Options -mnodiv): New.
7209
7210 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
7211
7212         PR target/70406
7213         * config/i386/i386.md (define_split, andn): Fix modes.
7214
7215 2016-03-26  Richard Biener  <rguenther@suse.de>
7216             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7217
7218         PR ipa/70366
7219         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
7220         instead of
7221         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
7222         as 2nd argument to cl_optimization_restore().
7223
7224 2016-03-25  Richard Henderson  <rth@redhat.com>
7225
7226         PR target/70120
7227         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
7228         * config/aarch64/aarch64-protos.h: Declare it.
7229         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
7230
7231 2016-03-25  Alan Modra  <amodra@gmail.com>
7232
7233         PR target/70052
7234         * config/rs6000/constraints.md (j): Simplify.
7235         * config/rs6000/predicates.md (easy_fp_constant): Exclude
7236         decimal float 0.D.
7237         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
7238         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
7239          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
7240         in all constraint alternatives.
7241         (movtd_64bit_nodm): Delete "j" constraint alternative.
7242
7243 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7244
7245         * tree-ssa-propagate.c: Enhance docs for
7246         SSA_PROP_NOT_INTERESTING.
7247
7248 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7249
7250         * doc/extend.texi: Fix typo in documentation to pure attribute.
7251
7252 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
7253
7254         PR target/70319
7255         * config/pa/pa.md (bswapdi2): Use a scratch register.
7256
7257 2016-03-24  Richard Henderson  <rth@redhat.com>
7258
7259         PR middle-end/69845
7260         * fold-const.c (extract_muldiv_1): Correct test for multiplication
7261         overflow.
7262
7263 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
7264
7265         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
7266         using ix86_expand_binary_operator instead of gen_andsi3.
7267
7268 2016-03-24  Richard Biener  <rguenther@suse.de>
7269
7270         PR tree-optimization/70396
7271         * tree-vect-stmts.c (vectorizable_comparison): Use
7272         get_vectype_for_scalar_type.
7273
7274 2016-03-24  Richard Biener  <rguenther@suse.de>
7275
7276         PR middle-end/70370
7277         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
7278         with register bases.
7279
7280 2016-03-24  Richard Biener  <rguenther@suse.de>
7281
7282         PR tree-optimization/70372
7283         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
7284         build_all_ones_cst to also handle vector types correctly.
7285
7286 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
7287
7288         PR target/70381
7289         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
7290         -mfloat128 here.
7291
7292 2016-03-23  Marek Polacek  <polacek@redhat.com>
7293
7294         PR c++/69884
7295         * doc/invoke.texi: Document -Wignored-attributes.
7296
7297 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7298
7299         PR tree-optimization/69042
7300         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
7301         parameter from 30 to 40.
7302
7303 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7304
7305         PR tree-optimization/69042
7306         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
7307         for use with constant offset stripped in base.
7308
7309 2016-03-23  Richard Biener  <rguenther@suse.de>
7310
7311         PR middle-end/70251
7312         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
7313         mode compatibility check.
7314         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7315
7316 2016-03-23  Jeff Law  <law@redhat.com>
7317
7318         PR tree-optimization/64058
7319         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
7320         CONFLICT_COUNT.
7321         (struct ssa_conflicts): Move up earlier in the file.
7322         (conflicts_, var_map_): New static variables.
7323         (initialize_conflict_count): New function to initialize the
7324         CONFLICT_COUNT field for each conflict pair.
7325         (compare_pairs): Lazily initialize the conflict count and use it
7326         as the first tie-breaker.
7327         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
7328         and wipe conflicts_ and map_ around the call to qsort.  Remove
7329         special case for 2 coalesce pairs.
7330         * bitmap.c (bitmap_count_unique_bits): New function.
7331         (bitmap_count_bits_in_word): New function, extracted from
7332         bitmap_count_bits.
7333         (bitmap_count_bits): Use bitmap_count_bits_in_word.
7334         * bitmap.h (bitmap_count_unique_bits): Declare it.
7335
7336 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
7337
7338         PR target/69917
7339         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
7340         transparent alias chain for decl assembler name.
7341         * config/sol2.c (solaris_assemble_visibility): Likewise.
7342
7343 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7344
7345         * config/arm/arm1020e.md (1020call_op): Reduce reservation
7346         duration.
7347         (v10_fdivs): Likewise.
7348         (v10_fdivd): Likewise.
7349
7350 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7351
7352         PR driver/70132
7353         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
7354         to not call fclose twice on file.
7355
7356 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
7357
7358         PR tree-optimization/70354
7359         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7360         oprnd0 is wider than oprnd1 and there is a cast from the wider
7361         type to oprnd1, mask it with the mask of the narrower type.
7362
7363         PR target/70321
7364         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
7365         Optimize TARGET_STV splitters, if high or low word of last argument
7366         is 0 or -1.
7367
7368 2016-03-22  Jeff Law  <law@redhat.com>
7369
7370         PR target/70232
7371         tree-ssa-threadbackward.c
7372         (fsm_find_control_statement_thread_paths): Correctly distinguish
7373         between old style jump threads vs FSM jump threads.
7374
7375 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
7376
7377         PR target/70302
7378         * config/i386/i386.c (scalar_chain::convert_op): Support
7379         uninitialized register usage case.
7380
7381 2016-03-22  Richard Biener  <rguenther@suse.de>
7382
7383         PR middle-end/70251
7384         * genmatch.c (gen_transform): Adjust last parameter to a three-state
7385         int...
7386         (capture::gen_transform): ... to change behavior when substituting
7387         a condition into cond or not-cond expr context.
7388         (dt_simplify::gen_1): Adjust.
7389         * gimple-match-head.c: Include gimplify.h for unshare_expr.
7390         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
7391         last change and instead change to
7392         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
7393         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7394
7395 2016-03-22  Anthony Green  <green@moxielogic.com>
7396
7397         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
7398         issue for moxiebox targets.
7399         (CC1PLUS_SPEC): Ditto.
7400
7401 2016-03-22  Richard Biener  <rguenther@suse.de>
7402
7403         PR middle-end/70333
7404         * fold-const.c (extract_muldiv_1): Properly perform multiplication
7405         in the wide type.
7406
7407 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7408
7409         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
7410
7411 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7412
7413         PR target/70325
7414         * config/i386/i386.c (def_builtin): Handle
7415         OPTION_MASK_ISA_AVX512VL to be and-ed with other
7416         bits.
7417         (const struct builtin_description bdesc_special_args[]):
7418         Remove duplicate ISA bits.
7419
7420 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
7421
7422         PR target/70329
7423         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
7424         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
7425         in a way that works also for AVX512BW.
7426
7427         PR target/70300
7428         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
7429         instead of source if operands[1] is xmm16 and above and
7430         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
7431         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
7432
7433         PR c++/70295
7434         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
7435         on assign if (*from_p) is a comparison, set it to
7436         TREE_NO_WARNING (*from_p).
7437
7438 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7439
7440         PR middle-end/70326
7441         * lra.c (restore_scratches): Ignore deleted insns.
7442
7443 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
7444             Jakub Jelinek  <jakub@redhat.com>
7445
7446         PR tree-optimization/70317
7447         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
7448         to HONOR_NANS.
7449
7450 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
7451
7452         PR target/70327
7453         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
7454         of ix86_expand_move.
7455         (movoi): Ditto.
7456         (movti): Use general_operand for operand 1 predicate.
7457
7458 2016-03-21  Martin Liska  <mliska@suse.cz>
7459
7460         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
7461         insns.
7462         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
7463
7464 2016-03-21  Martin Liska  <mliska@suse.cz>
7465
7466         PR ipa/70306
7467         * ipa-icf.c (sem_function::parse): Skip static
7468         constructors and destructors.
7469
7470 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7471
7472         PR target/70296
7473         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
7474         function-like macro, peek following token(s) if it is followed
7475         by CPP_OPEN_PAREN token with optional padding in between, and
7476         if not, don't treat it like a macro.
7477
7478 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
7479             Alexander Monakov  <amonakov@ispras.ru>
7480
7481         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
7482         for the stabs debug format.
7483
7484 2016-03-21  Richard Biener  <rguenther@suse.de>
7485
7486         PR tree-optimization/70310
7487         * tree-vect-generic.c (expand_vector_condition): Fold the built
7488         condition.
7489
7490 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7491
7492         PR target/70293
7493         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
7494         Block third alternative for AVX-512VL target,
7495
7496 2016-03-21  Martin Liska  <mliska@suse.cz>
7497
7498         PR hsa/70234
7499         * hsa-brig.c (emit_function_directives): Mark unemitted
7500         global variables for emission.
7501         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
7502         (get_symbol_for_decl): Likewise.
7503         * hsa.h (struct hsa_symbol): New flag.
7504
7505 2016-03-21  Richard Biener  <rguenther@suse.de>
7506
7507         PR tree-optimization/70288
7508         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
7509         we do not estimate unsimplified all-constant conditionals or
7510         switches as optimized away.
7511
7512 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
7513
7514         PR rtl-optimization/69102
7515         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
7516         when we have a readonly dependency context.
7517
7518 2016-03-18  Jeff Law  <law@redhat.com>
7519
7520         PR rtl-optimization/70263
7521         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
7522         (update_equiv_regs): When trying to move a store to after the insn
7523         that sets the source of the store, make sure the store occurs after
7524         the insn that sets the source of the store.  When successful note
7525         the REG_EQUIV note created in the dump file.
7526
7527 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
7528             Bernd Schmidt  <bschmidt@redhat.com>
7529
7530         * doc/extend.texi: Document more potential problems with basic asms.
7531
7532 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
7533
7534         PR rtl-optimization/70278
7535         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
7536         VOIDmode.
7537
7538 2016-03-18  Jason Merrill  <jason@redhat.com>
7539
7540         * calls.c (load_register_parameters): Fix zero size sibcall logic.
7541
7542 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
7543
7544         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
7545         values to 128b regs.
7546
7547 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7548
7549         PR tree-optimization/70252
7550         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
7551         boolean vector has a proper number of elements.
7552         (supportable_narrowing_operation): Likewise.
7553
7554 2016-03-18  Tom de Vries  <tom@codesourcery.com>
7555
7556         PR ipa/70269
7557         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
7558
7559 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
7560
7561         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
7562         instead of replace_rtx for DEBUG_INSNs.
7563
7564 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7565
7566         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
7567         load type reservations.
7568
7569 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
7570
7571         PR target/70188
7572         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
7573         define_constraint for "Q" and "T" constraints.
7574
7575 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
7576
7577         Tweak the pipeline model for Exynos M1
7578
7579         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
7580         model.
7581
7582 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
7583
7584         PR c/70264
7585         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
7586         where one or both locations aren't within a line_map.
7587
7588 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7589
7590         PR driver/70192
7591         * opts.c (finish_options): Don't set flag_pie to the default if
7592         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
7593         if it is -1.
7594
7595 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
7596
7597         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
7598         true as ALL_REGS argument to replace_rtx.
7599
7600 2016-03-17  Richard Biener  <rguenther@suse.de>
7601
7602         PR debug/70271
7603         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
7604         last.
7605
7606 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7607
7608         PR target/70245
7609         * rtl.h (replace_rtx): Add ALL_REGS argument.
7610         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
7611         equality and assert mode is the same, instead of just rtx pointer
7612         equality.
7613         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
7614         true as ALL_REGS argument to replace_rtx.
7615
7616 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
7617
7618         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
7619         for boolean vector with vector mode only.
7620         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7621
7622 2016-03-17  Nick Clifton  <nickc@redhat.com>
7623
7624         PR target/70162
7625         * config/rx/rx.c (rx_print_integer): Print negative constants in
7626         decimal.
7627
7628 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7629
7630         PR target/70261
7631         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
7632
7633 2016-03-16  Richard Henderson  <rth@redhat.com>
7634             Richard Biener  <rguenth@suse.de>
7635
7636         PR middle-end/70240
7637         PR middle-end/68215
7638         PR tree-opt/68714
7639         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
7640         first operand as is_gimple_condexpr.
7641
7642         PR middle-end/70240
7643         PR middle-end/68215
7644         Revert r231575
7645         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
7646         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
7647         Do not gimplify the result.
7648         (do_unop): Adjust call to tree_vec_extract.
7649         (do_binop): Likewise.
7650         (do_compare): Likewise.
7651         (do_plus_minus): Likewise.
7652         (do_negate): Likewise.
7653         (expand_vector_condition): Likewise.
7654         (do_cond): Likewise.
7655
7656 2016-03-16  Richard Henderson  <rth@redhat.com>
7657
7658         PR target/70048
7659         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
7660         (aarch64_classify_address): Use it.
7661         (aarch64_legitimize_address): Force all subexpressions of PLUS
7662         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
7663
7664 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
7665             Richard Biener  <rguenth@suse.de>
7666
7667         PR target/70245
7668         * rtlanal.c (replace_rtx): For REG, if from is a REG,
7669         return to even if only REGNO is equal, and assert
7670         mode is the same.
7671
7672 2016-03-11  Jeff Law  <law@redhat.com>
7673
7674         PR rtl-optimization/70224
7675         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
7676
7677 2016-03-16  Richard Henderson  <rth@redhat.com>
7678
7679         PR middle-end/70199
7680         * function.h (struct function): Add has_forced_label_in_static.
7681         * gimplify.c (force_labels_r): Set it.
7682         * lto-streamer-in.c (input_struct_function_base): Read it.
7683         * lto-streamer-out.c (output_struct_function_base): Write it.
7684         * tree-inline.c (has_label_address_in_static_1): Remove.
7685         (copy_forbidden): Remove fndecl parameter; test
7686         has_forced_label_in_static.
7687         (inline_forbidden_p): Update call to copy_forbidden.
7688         (tree_versionable_function_p): Likewise.
7689         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
7690         (chkp_versioning): Likewise.
7691         * tree-inline.h (copy_forbidden): Update decl.
7692
7693 2016-03-16  Marek Polacek  <polacek@redhat.com>
7694
7695         PR c/70093
7696         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
7697         function being thunked if the result type doesn't have fixed size.
7698         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
7699         doesn't have fixed size.
7700
7701 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
7702
7703         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
7704         reporting malformed loop nest.
7705
7706 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7707
7708         PR lto/70187
7709         * ipa-devirt.c (possible_polymorphic_call_targets): Move
7710         nodes.length () == 1 test to before first nodes[0] access.
7711
7712 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7713
7714         PR tree-optimization/68715
7715         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
7716         single_pred_p test.
7717
7718 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7719
7720         PR tree-optimization/68809
7721         * graphite-scop-detection.c (same_close_phi_node): Test if result types
7722         are the same.
7723
7724 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
7725             Sandra Loosemore  <sandra@codesourcery.com>
7726
7727         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
7728         on leaf attribute. Mention ELF interposition problems.
7729
7730 2016-03-16  Alan Modra  <amodra@gmail.com>
7731
7732         PR rtl-optimization/69195
7733         PR rtl-optimization/47992
7734         * ira.c (indirect_jump_optimize): Ignore artificial defs.
7735         Add comments.
7736
7737 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
7738
7739         PR bootstrap/69513
7740         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
7741
7742 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7743
7744         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
7745
7746 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
7747
7748         PR rtl-optimization/70222
7749         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
7750         optimization if mode is different from result_mode, queue up masking
7751         of the result in outer_op.  Formatting fix.
7752
7753         PR middle-end/70239
7754         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
7755         of safe_grow.
7756
7757 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7758
7759         PR rtl-optimization/69032
7760         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
7761         looping backwards over basic block insns.
7762
7763 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7764
7765         PR target/66660
7766         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
7767         to non-speculative when propagating trap bits.
7768
7769 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7770
7771         PR rtl-optimization/63384
7772         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
7773         DEBUG_INSN_P insns.
7774
7775 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7776
7777         PR target/64411
7778         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
7779         factored out from ...
7780         (sched_analyze_insn): ... here.
7781         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
7782         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
7783         get_implicit_reg_pending_clobbers in it.
7784         (setup_id_reg_sets): Use setup_id_implicit_regs.
7785         (deps_init_id): Ditto.
7786
7787 2016-03-15  Tom de Vries  <tom@codesourcery.com>
7788
7789         PR ipa/70161
7790         * cgraph.c (cgraph_node::get_body): Save, reset and restore
7791         dump_file_name.
7792         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
7793         execute_function_dump.
7794         (execute_one_pass): Don't dump function if it will be dumped after ipa
7795         transform.
7796
7797 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7798
7799         * genrecog.c (match_pattern_2): If pred is NULL don't call
7800         safe_predicate_mode on it.
7801
7802 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
7803
7804         PR middle-end/70219
7805         * lra-constraints.c (delete_move_and_clobber): Change assertion
7806         to also allow dregno == 0.
7807
7808 2016-03-14  Richard Henderson  <rth@redhat.com>
7809
7810         PR tree-opt/68714
7811         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
7812         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
7813         (reassociate_bb): Use optimize_vec_cond_expr; avoid
7814         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
7815         on vectors.
7816
7817 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7818
7819         PR target/70083
7820         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
7821         regs.
7822         (lra_create_live_ranges_1): initialize hard register biggest_mode to
7823         VOIDmode.
7824         * lra-constraints.c (split_reg): For hard regs, try to find the
7825         biggest single-register mode used in the function.
7826
7827 2016-03-14  Richard Biener  <rguenther@suse.de>
7828
7829         PR tree-optimization/56365
7830         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
7831         constants to compare against.
7832
7833 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
7834
7835         PR target/70098
7836         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
7837         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
7838         (define_split for the GPR case): Use int_reg_operand instead of
7839         gpc_reg_operand for the output.
7840
7841 2016-03-14  Tom de Vries  <tom@codesourcery.com>
7842
7843         PR tree-optimization/70045
7844         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
7845         create_empty_if_region_on_edge argument.
7846
7847 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
7848
7849         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
7850         (STACK_CHECK_PROTECT): Likewise.
7851         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7852         (STACK_CHECK_PROTECT): Likewise.
7853         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7854         (STACK_CHECK_PROTECT): Likewise.
7855         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
7856         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
7857         (STACK_CHECK_PROTECT): Likewise.
7858
7859 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
7860
7861         PR rtl-optimization/69307
7862         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
7863         registers in modes that span more than one register.
7864
7865 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7866
7867         PR target/69614
7868         * lra-constraints.c (delete_move_and_clobber): New.
7869         (remove_inheritance_pseudos): Use it.
7870
7871 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
7872
7873         PR ada/70017
7874         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
7875         the libcall is LCT_THROW.
7876         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
7877         for the checking routine.
7878
7879 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7880
7881         PR target/70131
7882         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
7883         optimization if we have direct move.
7884         (roundu32<mode>2_fprs): Likewise.
7885
7886 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
7887
7888         PR target/70123
7889         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
7890         be rematerialized.
7891         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
7892         Arguments swapped.  All callers changed.  Take reg_renumber into
7893         account, and Calculate and compare register ranges for hard regs.
7894
7895 2016-03-11  Jeff Law  <law@redhat.com>
7896
7897         PR tree-optimization/70190
7898         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7899         Handle cases where we can not extract the taken edge, even though we
7900         found a constant value.
7901
7902         PR tree-optimization/64058
7903         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
7904         (num_coalesce_pairs): Move up earlier in file.
7905         (find_coalesce_pair): Initialize the INDEX field for each pair
7906         discovered.
7907         (compare_pairs): No longer sort on the elements in each pair.
7908         Instead break ties with the index of the coalesce pair.
7909
7910 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7911
7912         PR target/70002
7913         * config/aarch64/aarch64-protos.h
7914         (aarch64_save_restore_target_globals): New prototype.
7915         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
7916         Call the above when popping pragma.
7917         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
7918         New function.
7919         (aarch64_set_current_function): Rewrite using the above.
7920
7921 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7922
7923         PR tree-optimization/70177
7924         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
7925         (extract_ops_from_tree): ... this.  In the 2 argument
7926         overload remove _1 suffix.
7927         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
7928         (extract_ops_from_tree): ... this.
7929         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
7930         Adjust callers.
7931         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7932         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
7933         extract_ops_from_tree instead of 2 operand one.
7934
7935 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
7936
7937         PR tree-optimization/70013
7938         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
7939         for constant-pool entries.
7940
7941 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7942
7943         PR rtl-optimization/70174
7944         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
7945         followed by gen_lowpart on force_reg instead of just gen_lowpart.
7946
7947         PR tree-optimization/70169
7948         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
7949         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
7950         for unknown codes.
7951
7952 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
7953             Jakub Jelinek  <jakub@redhat.com>
7954
7955         PR target/70160
7956         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
7957         of uninitialized values.
7958
7959 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7960
7961         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
7962         define_expand.
7963         ("*trunctddd2"): New pattern definition.
7964         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
7965         TD->DD truncation.
7966
7967 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7968
7969         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
7970         definitions for BFP and DFP rounding modes.
7971         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7972         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
7973         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
7974         ("fix_trunctf<mode>2"): Use the new constants instead of magic
7975         numbers.
7976
7977 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7978
7979         * config/s390/constraints.md: Adjust comment.
7980         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
7981         s390_decompose_addrstyle_without_index.
7982         * config/s390/predicates.md (shift_count_or_setmem_operand):
7983         Rename to setmem_operand.
7984         * config/s390/s390-protos.h
7985         (s390_decompose_shift_count): Rename to
7986         s390_decompose_addrstyle_without_index.
7987         * config/s390/s390.c (s390_decompose_shift_count)
7988         (s390_mem_constraint, print_shift_count_operand)
7989         (print_operand_address, print_operand): Rename
7990         s390_decompose_shift_count to
7991         s390_decompose_addrstyle_without_index and rename
7992         print_shift_count_operand to print_addrstyle_operand troughout the
7993         file.
7994         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
7995         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
7996         Rename shift_count_or_setmem_operand to setmem_operand.
7997         * config/s390/vx-builtins.md ("vec_insert<mode>")
7998         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
7999         nonmemory_operand.
8000
8001 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8002
8003         PR target/70168
8004         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
8005         Handle overlapping retval and newval.
8006
8007 2016-03-10  Nick Clifton  <nickc@redhat.com>
8008
8009         PR target/7044
8010         * config/aarch64/aarch64.c
8011         (aarch64_override_options_after_change_1): When forcing
8012         flag_omit_frame_pointer to be true, use a special value that can
8013         be detected if this function is called again, thus preventing
8014         flag_omit_leaf_frame_pointer from being forced to be false.
8015
8016 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8017
8018         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
8019         Set x_flag_omit_leaf_frame_pointer when handling
8020         -momit-leaf-frame-pointer.
8021
8022 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8023
8024         PR lto/69589
8025         * cgraph.c (cgraph_node::dump): Dump split_part and
8026         indirect_call_target.
8027         * cgraph.h (cgraph_node): Add indirect_call_target flag.
8028         * ipa.c (has_addr_references_p): Cleanup.
8029         (is_indirect_call_target_p): New.
8030         (walk_polymorphic_call_targets): Do not mark virtuals that may be
8031         called indirectly as local.
8032         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
8033
8034 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8035
8036         PR ipa/69630
8037         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8038         on cxa_pure_virtual.
8039
8040 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8041
8042         PR lto/69589
8043         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
8044
8045 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8046
8047         PR lto/69589
8048         * tree.c (need_assembler_name_p): Only record main variant type names.
8049
8050 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
8051
8052         PR target/70113.
8053         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
8054         Always define to 0 or 1.
8055         (TARGET_FIX_ERR_A53_843419): New macro.
8056         * config/aarch64/aarch64-elf-raw.h
8057         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
8058         * config/aarch64/aarch64-linux.h: Likewise.
8059         * config/aarch64/aarch64.c
8060         (aarch64_override_options_after_change_1): Do not default
8061         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
8062         843419 is on.
8063         (aarch64_attributes): Handle fix-cortex-a53-843419.
8064         (aarch64_can_inline_p): Likewise.
8065         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
8066
8067 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
8068         Jakub Jelinek <jakub@redhat.com>
8069
8070         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
8071         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
8072         DECL_COMMONS if flag_unconstrained_commons is set.
8073         * tree-dfa.c (get_ref_base_and_extent): Likewise.
8074         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
8075         (funconstrained-commons): Document.
8076
8077 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
8078
8079         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
8080         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
8081
8082 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
8083
8084         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
8085         has a proper number of elements.
8086
8087 2016-03-10  Alan Modra  <amodra@gmail.com>
8088
8089         PR rtl-optimization/69195
8090         PR rtl-optimization/47992
8091         * ira.c (recorded_label_ref): Delete.
8092         (update_equiv_regs): Return void.
8093         (indirect_jump_optimize): New function.
8094         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
8095         before regstat_compute_ri.  Don't rebuild_jump_labels here.
8096         Delete update_regstat.
8097
8098 2016-03-10  Richard Biener  <rguenther@suse.de>
8099
8100         PR tree-optimization/70128
8101         * tree-ssa-structalias.c (set_uids_in_ptset): Set
8102         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
8103
8104 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8105
8106         PR tree-optimization/70152
8107         * tree-sra.c (replace_removed_params_ssa_names): Copy over
8108         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
8109
8110         PR target/70086
8111         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
8112         instead of gen_sse2_loadlpd.
8113         * config/i386/sse.md (*vec_concatv2df): Rename to...
8114         (vec_concatv2df): ... this.
8115
8116         PR tree-optimization/70127
8117         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
8118
8119 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8120
8121         PR c/68473
8122         PR c++/70105
8123         * diagnostic-show-locus.c (compatible_locations_p): New function.
8124         (layout::layout): Sanitize ranges using compatible_locations_p.
8125
8126 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8127
8128         PR c/68473
8129         PR c++/70105
8130         * diagnostic-show-locus.c (layout_range::layout_range): Replace
8131         location_range param with three const expanded_locations * and a
8132         bool.
8133         (layout::layout): Replace call to
8134         rich_location::lazily_expand_location with get_expanded_location.
8135         Extract the range and perform location expansion here, passing
8136         the results to the layout_range ctor.
8137         * diagnostic.c (source_range::debug): Delete.
8138         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
8139         of rich_location::get_expanded_location.
8140         * gcc-rich-location.c (get_range_for_expr): Delete.
8141         (gcc_rich_location::add_expr): Reimplement to avoid the
8142         rich_location::add_range overload that took a location_range,
8143         passing a location_t instead.
8144
8145 2016-03-09  Richard Biener  <rguenther@suse.de>
8146         Jakub Jelinek  <jakub@redhat.com>
8147
8148         PR tree-optimization/70138
8149         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
8150         Also skip vect_double_reduction_def.
8151
8152 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8153
8154         PR target/70049
8155         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
8156         if the operand is "m".
8157
8158 2016-03-09  Nathan Sidwell  <nathan@acm.org>
8159
8160         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
8161
8162 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8163
8164         * config/i386/i386.c (processor_target_table): Fix cost table
8165         intialization order for znver1.
8166
8167 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8168
8169         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
8170         - becuase -> because.
8171         * ipa-reference.c (ignore_module_statics): Likewise.
8172         * cgraph.c (cgraph_node::get_body): Likewise.
8173         * ipa-inline.c (early_inliner): Likewise.
8174         * ipa-devirt.c (types_same_for_odr): Likewise.
8175         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
8176         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
8177
8178 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8179
8180         * tree-ssa-math-opts.c: Fix typo in comment.
8181
8182 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8183
8184         PR target/70110
8185         * config/i386/i386.c (scalar_chain::make_vector_copies,
8186         scalar_chain::convert_reg): Call end_sequence in between
8187         get_insns and emit_conversion_insns rather than after both
8188         calls.
8189
8190 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
8191
8192         PR target/70064
8193         * config/i386/i386.h (machine_function): Add
8194         pc_thunk_call_expanded flag.
8195         (ix86_pc_thunk_call_expanded): New define.
8196         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
8197         (*set_got): Rename insn pattern from set_got.
8198         (*set_got_labelled): Rename inst pattern from set_got_labelled.
8199         * config/i386/i386.c (ix86_compute_frame_layout): Use
8200         ix86_pc_thunk_call_expanded to prevent red-zone.
8201
8202 2016-03-07  Martin Jambor  <mjambor@suse.cz>
8203
8204         * hsa.h (hsa_get_ctor_statements): Declare.
8205         (hsa_get_dtor_statements): Likewise.
8206         (hsa_get_kernel_dispatch_type): Likewise.
8207         * hsa.c (hsa_get_ctor_statements): New function.
8208         (hsa_get_dtor_statements): Likewise.
8209         (hsa_get_kernel_dispatch_type): Likewise.
8210         * hsa-brig.c (hsa_cdtor_statements): Removed.
8211         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
8212         hsa_get_dtor_statements.
8213         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
8214         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
8215
8216 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8217
8218         * config/arm/arm-cores.def (cortex-r8): New.
8219         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
8220         * config/arm/arm-tune.md: Likewise.
8221         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
8222
8223 2016-03-07  Martin Sebor  <msebor@redhat.com>
8224
8225         PR rtl-optimization/19705
8226         * doc/invoke.texi (Options That Control Optimization): Clarify
8227         -fno-branch-count-reg.
8228
8229 2016-02-26  Richard Biener  <rguenther@suse.de>
8230             Jeff Law  <law@redhat.com>
8231
8232         PR tree-optimization/69740
8233         * cfghooks.c (remove_edge): Request loop fixups if we delete
8234         an edge that might turn an irreducible loop into a natural
8235         loop.
8236         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
8237         Move after definition of loops_state_clear.
8238
8239 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
8240
8241         PR rtl-optimization/69052
8242         * rtlanal.c (commutative_operand_precedence): Set higher precedence
8243         to CONST_WIDE_INT.
8244
8245 2016-03-07  Tom de Vries  <tom@codesourcery.com>
8246
8247         PR tree-optimization/70116
8248         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
8249         is_tm_ending stmts and ubsan/asan internal functions.
8250         (find_duplicate): Use it.  Don't test is_tm_ending here.
8251
8252 2016-03-07  Richard Biener  <rguenther@suse.de>
8253
8254         PR tree-optimization/70115
8255         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
8256         (propagate_constants_for_unrolling): Use replace_uses_by.
8257
8258 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
8259
8260         PR middle-end/69916
8261         * omp-low.c (struct oacc_loop): Add ifns.
8262         (new_oacc_loop_raw): Initialize it.
8263         (finish_oacc_loop): Clear mask & flags if no ifns.
8264         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8265         (oacc_loop_xform_loop): Add ifns arg & adjust.
8266         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
8267
8268 2016-03-07  Richard Henderson  <rth@redhat.com>
8269
8270         PR rtl-opt/70061
8271         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
8272         (insert_value_copy_on_edge): Likewise.
8273
8274 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8275
8276         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
8277
8278 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8279
8280         PR target/62281
8281         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
8282
8283 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8284
8285         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
8286
8287 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8288
8289         Fix sseimul type attribute.
8290         * config/i386/znver1.md
8291         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
8292         znver1_sseimul_avx256_load) : Fix the type attribute.
8293         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
8294         pipe usage and latency.
8295
8296 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
8297
8298         PR c++/70084
8299         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
8300         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
8301         to the right type.
8302
8303 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8304
8305         PR c/69973
8306         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
8307
8308         PR rtl-optimization/69941
8309         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
8310         the reg share its mode.
8311
8312 2016-03-04  Jeff Law  <law@redhat.com>
8313
8314         PR tree-optimization/69196
8315         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8316         If the both SSA_NAMEs are anonymous, then consider them unassociated
8317         and include the PHI in the statement count.
8318
8319 2016-03-05  Tom de Vries  <tom@codesourcery.com>
8320
8321         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
8322         construct in oacc routine.  Check for oacc region in oacc routine.
8323
8324 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8325
8326         PR target/70062
8327         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
8328         2016-02-22 changes, instead don't recurse if RECUR is already true.
8329         Don't change *dynamic_check if RECUR.  Adjust recursive caller
8330         to pass true to the new argument.
8331         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
8332
8333         PR target/70059
8334         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
8335         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
8336         fixes.
8337         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
8338
8339 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8340
8341         PR rtl-optimization/57676
8342         * lra-assigns.c (lra_assign): Guard test for maximum iterations
8343         with flag_checking.
8344
8345 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
8346
8347         * tree-vect-patterns.c (search_type_for_mask): Handle
8348         comparison of booleans.
8349
8350 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8351
8352         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
8353         Fix @xref usage.
8354
8355         PR debug/69947
8356         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
8357         all other ops that have dw_val_class_die_ref operands,
8358         and DW_OP_GNU_entry_value.
8359
8360 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8361
8362         PR rtl-optimization/69904
8363         * config/arm/arm.c (arm_cannot_copy_insn_p):
8364         Return true for load-exclusive instructions.
8365
8366 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
8367
8368         PR target/70021
8369         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
8370         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
8371         the pattern no matter if it is used just by non-pattern, pattern
8372         or mix thereof.
8373         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
8374         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8375         oprnd1 def_stmt is in pattern, don't look through it.
8376
8377 2016-03-03  Marek Polacek  <polacek@redhat.com>
8378
8379         PR middle-end/70050
8380         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
8381
8382 2016-03-03  Martin Liska  <mliska@suse.cz>
8383
8384         PR tree-optimization/70043
8385         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
8386         previous statement if we see a debug statement.
8387
8388 2016-03-03  Richard Biener  <rguenther@suse.de>
8389
8390         PR tree-optimization/55936
8391         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
8392         parameter and guard unsafe equivalence use.
8393         (vrp_evaluate_conditional_warnv_with_ops): Always use
8394         safe equivalences but not via the quadratic compare_names
8395         helper.
8396
8397 2016-03-03  Michael Collison  <michael.collison@linaro.org>
8398
8399         PR target/70014
8400         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
8401         for operand 1 to s_register_operand. Change predicate for operand
8402         2 to arm_not_immediate_operand.
8403
8404 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
8405
8406         * doc/tm.texi: Regenerated.
8407
8408 2016-03-02  Richard Henderson  <rth@redhat.com>
8409
8410         PR rtl-opt/67145
8411         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
8412         simplification when all args are positive non-fixed registers.
8413
8414 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8415
8416         * target.def (lra_p): Specify that new ports should use LRA.
8417
8418 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8419
8420         PR libgomp/69555
8421         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
8422         gimplify_type_sizes the type they refer to.
8423         (omp_notice_variable): Handle reference vars to VLAs.
8424         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
8425         reference to VLA decls in the second pass instead of first pass.
8426
8427 2016-03-02  Tom de Vries  <tom@codesourcery.com>
8428
8429         PR tree-optimization/68659
8430         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
8431         new_expr == NULL_TREE.
8432         (get_new_name): Handle ADDR_EXPR.
8433
8434 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
8435
8436         PR rtl-optimization/69052
8437         * loop-invariant.c (canonicalize_address): New function.
8438         (inv_can_prop_to_addr_use): Check validity of address expression
8439         which is canonicalized by above function.
8440
8441 2016-03-02  Alan Modra  <amodra@gmail.com>
8442
8443         PR ipa/69990
8444         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
8445         larger alignment.
8446
8447 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8448
8449         PR target/70028
8450         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
8451         (*movhi_internal): Put mask moves from and to memory separately
8452         from moves from/to GPRs.
8453
8454 2016-03-02  Richard Biener  <rguenther@suse.de>
8455
8456         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
8457         GENERIC expressions in GIMPLE.
8458
8459 2016-03-02  Richard Biener  <rguenther@suse.de>
8460
8461         * config/i386/i386.c (type_natural_mode): Fix typo.
8462
8463 2016-03-02  Nick Clifton  <nickc@redhat.com>
8464
8465         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
8466
8467 2016-03-02  Richard Biener  <rguenther@suse.de>
8468             Uros Bizjak  <ubizjak@gmail.com>
8469
8470         PR target/67278
8471         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
8472
8473 2016-03-02  Richard Biener  <rguenther@suse.de>
8474
8475         PR middle-end/67278
8476         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
8477
8478 2016-03-02  Marek Polacek  <polacek@redhat.com>
8479
8480         PR c/67854
8481         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
8482         "is promoted to" warning.
8483
8484 2016-03-01  DJ Delorie  <dj@redhat.com>
8485
8486         * config.gcc: Deprecate mep-*.
8487
8488 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
8489
8490         PR middle-end/70025
8491         * lra-constraints.c (regno_val_use_in): New.
8492         (match_reload): Use it instead of regno_use_in.
8493
8494 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8495
8496         PR rtl-optimization/70007
8497         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
8498         references present in REG_EQUAL notes attached to non-SET patterns.
8499
8500 2016-03-01  Jeff Law  <law@redhat.com>
8501
8502         PR tree-optimization/69196
8503         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8504         Appropriately clamp the number of statements to copy when the
8505         thread path does not traverse a loop backedge.
8506
8507         PR tree-optimization/69196
8508         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8509         Do count some PHIs in the thread path against the insn count.  Decrease
8510         final statement count by one as the control statement in the last
8511         block will get removed.  Remove special cased code for handling PHIs
8512         in the last block.
8513
8514 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
8515
8516         PR target/70027
8517         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
8518         asm dialect alternatives to explicit GOTPCREL calls.
8519
8520 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8521
8522         PR ada/70017
8523         * ira.c (do_reload): Issue warning for generic stack checking here...
8524         * reload1.c (reload): ...instead of here and streamline it.
8525
8526 2016-03-01  Nick Clifton  <nickc@redhat.com>
8527
8528         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
8529
8530 2016-03-01  Richard Biener  <rguenther@suse.de>
8531
8532         PR tree-optimization/69983
8533         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
8534         types and fall back to operand_equal_p.
8535
8536 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8537
8538         Revert
8539         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8540
8541         * config/s390/constraints.md ("jm8"): New constraint.
8542         * config/s390/predicates.md ("const_int_8bitset_operand"): New
8543         predicate.
8544         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
8545         into ...
8546         ("*setmem_long<setmem_and>"): New pattern.
8547         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
8548         into ...
8549         ("*setmem_long_31z<setmem_and>"): New pattern.
8550         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
8551         New substitution rules with the required attributes.
8552
8553
8554 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8555
8556         Revert
8557         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8558
8559         * gensupport.c (process_substs_on_one_elem): Split loop to
8560         complete mark_operands_used_in_match_dup on all expressions in the
8561         vector first.
8562         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8563         and remove function.
8564
8565 2016-03-01  Richard Biener  <rguenther@suse.de>
8566
8567         PR middle-end/70022
8568         * fold-const.c (fold_indirect_ref_1): Fix range checking for
8569         vector BIT_FIELD_REF extract.
8570
8571 2016-03-01  Richard Biener  <rguenther@suse.de>
8572
8573         PR tree-optimization/69994
8574         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
8575
8576 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
8577
8578         PR tree-optimization/69956
8579         * tree-vect-stmts.c (supportable_widening_operation): Support
8580         multi-step conversion of boolean vectors.
8581         (supportable_narrowing_operation): Likewise.
8582
8583 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8584
8585         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
8586         anymore.
8587
8588 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8589
8590         * config/s390/subst.md (DSI_VI): New mode iterator.
8591         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
8592         * config/s390/vector.md ("vec_set<mode>"): Move expander before
8593         the insn definition.
8594         ("*vec_set<mode>"): Change predicate and add alternative to
8595         support only either register or const_int operands as element
8596         selector.
8597         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
8598         operands.
8599         ("vec_extract<mode>"): New expander.
8600         ("*vec_extract<mode>"): New insn definition supporting reg and
8601         const_int element selectors.
8602         ("*vec_extract<mode>_plus"): New insn definition supporting
8603         reg+const_int element selectors.
8604         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
8605         following expander+insn definition.
8606         ("<vec_shifts_name><mode>3"): New expander.
8607         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
8608
8609 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8610
8611         * config/s390/s390.md ("*tabort_1"): Change predicate to
8612         nonmemory_operand.  Add a second alternative to cover
8613         register as well as const int operands.
8614         ("*tabort_1_plus"): New pattern definition.
8615
8616 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8617
8618         * config/s390/s390.md ("*ashrdi3_cc_31")
8619         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
8620         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
8621         Merge insn definitions into ...
8622         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8623         New pattern definition.
8624         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
8625         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
8626         ("*ashr<mode>3_and"): Merge insn definitions into ...
8627         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8628         New pattern definition.
8629         * config/s390/subst.md ("addr_style_op_cc_subst")
8630         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
8631         substitutions patterns plus attributes.
8632         Add ashiftrt to SUBST iterator.
8633
8634 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8635
8636         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
8637         op2 to nonmemory_operand.
8638         ("*<shift>di3_31", "*<shift>di3_31_and"):
8639         Merge into single pattern definition ...
8640         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
8641         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
8642         pattern definition ...
8643         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
8644         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
8645         iterator.
8646
8647 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8648
8649         * config/s390/predicates.md (const_int_6bitset_operand): New
8650         predicate.
8651         * config/s390/s390.md: Include subst.md.
8652         ("rotl<mode>3"): New expander.
8653         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
8654         ...
8655         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
8656         * config/s390/subst.md: New file.
8657
8658 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8659
8660         * config/s390/s390.md ("op_type", "atype", "length" attributes):
8661         Remove RRR type.  It doesn't really exist.
8662         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
8663         attributes.
8664         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
8665         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
8666         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
8667         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
8668         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
8669         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
8670         `enabled' attribute.
8671
8672 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8673
8674         * gensupport.c (process_substs_on_one_elem): Split loop to
8675         complete mark_operands_used_in_match_dup on all expressions in the
8676         vector first.
8677         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8678         and remove function.
8679
8680 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8681
8682         PR target/69706
8683         * config/sparc/sparc.c (NWORDS_UP): Rename to...
8684         (CEIL_NWORDS): ...this.  Use CEIL macro.
8685         (compute_fp_layout): Adjust to above renaming.
8686         (function_arg_union_value): Likewise.
8687         (sparc_arg_partial_bytes): Likewise.
8688         (sparc_function_arg_advance): Likewise.
8689
8690 2016-02-29  Jeff Law  <law@redhat.com>
8691
8692         PR tree-optimization/70005
8693         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
8694         where an object with a boolean range is compared against a value
8695         outside [0..1].
8696
8697         PR tree-optimization/69999
8698         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
8699         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
8700         loop cleanups.
8701
8702 2016-02-29  Richard Biener  <rguenther@suse.de>
8703
8704         PR tree-optimization/69994
8705         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
8706         (get_unary_op): Look through nop conversions.
8707         (ops_equal_values_p): New function, look for equality diregarding
8708         nop conversions.
8709         (eliminate_plus_minus_pair): Use ops_equal_values_p
8710         (repropagate_negates): Do not use get_unary_op here.
8711
8712 2016-02-29  Martin Liska  <mliska@suse.cz>
8713
8714         * system.h: Poison ENABLE_CHECKING macro.
8715
8716 2016-02-29  Martin Liska  <mliska@suse.cz>
8717
8718         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
8719         is presented in dump flags.
8720         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8721         (hsa_regalloc): Likewise.
8722
8723 2016-02-19  Richard Biener  <rguenther@suse.de>
8724
8725         PR tree-optimization/69980
8726         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
8727         permutation of those we need to keep.
8728
8729 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8730
8731         PR target/69706
8732         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
8733         (NWORDS_UP): ...this
8734         (init_cumulative_args): Minor tweaks.
8735         (sparc_promote_function_mode): Likewise.
8736         (scan_record_type): Delete.
8737         (traverse_record_type): New function template.
8738         (classify_data_t): New structure type.
8739         (classify_registers): New inline function.
8740         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
8741         exhausted.  Instantiate traverse_record_type on classify_registers and
8742         deal with the case of a structure passed in slot #15 with no FP field
8743         in the first word.
8744         (assign_data_t): New structure type.
8745         (compute_int_layout): New static function.
8746         (compute_fp_layout): Likewise.
8747         (count_registers): New inline function.
8748         (assign_int_registers): New static function.
8749         (assign_fp_registers): Likewise.
8750         (assign_registers): New inline function.
8751         (function_arg_record_value_1): Delete.
8752         (function_arg_record_value_2): Likewise.
8753         (function_arg_record_value_3): Likewise.
8754         (function_arg_record_value): Adjust to above changes.  Instantiate
8755         traverse_record_type on count_registers to first count the number of
8756         registers to be used and then on assign_registers to assign them.
8757         (function_arg_union_value): Adjust to above renaming.
8758         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
8759         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
8760         case of a structure passed in slot #15
8761         (sparc_function_arg_advance): Likewise.
8762         (function_arg_padding): Minor tweak.
8763
8764 2016-02-29  Richard Biener  <rguenther@suse.de>
8765
8766         PR tree-optimization/69720
8767         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
8768         the adjustment_def path for possibly vectorized defs.
8769         (vect_create_epilog_for_reduction): Handle vectorized initial
8770         defs properly.
8771
8772 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8773
8774         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
8775
8776 2016-02-27  Jeff Law  <law@redhat.com>
8777
8778         Revert
8779         2016-02-26  Richard Biener  <rguenther@suse.de>
8780                     Jeff Law  <law@redhat.com>
8781
8782         PR tree-optimization/69740
8783         * cfghooks.c (remove_edge): Request loop fixups if we delete
8784         an edge that might turn an irreducible loop into a natural
8785         loop.
8786
8787 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
8788
8789         PR rtl-optimization/69896
8790         * tree-vect-generic.c (get_compute_type): Avoid single element
8791         vector types.
8792
8793 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
8794
8795         Rename the AArch64 tuning option and related functions to enable the
8796         Newton series for the reciprocal square root to reflect its
8797         approximative characteristic.
8798
8799         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
8800         function to "aarch64_emit_approx_rsqrt".
8801         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
8802         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
8803         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
8804         (xgene1_tunings): Likewise.
8805         (use_rsqrt_p): Likewise.
8806         (aarch64_emit_swrsqrt): Use new function name.
8807         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
8808         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
8809         text explaining this option.
8810         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
8811
8812 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8813
8814         PR target/69969
8815         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
8816         complain about -mallow-movmisalign without -mvsx if
8817         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
8818
8819 2016-02-26  Joel Sherrill  <joel@rtems.org>
8820
8821         * config.gcc: Add x86_64-*-rtems*.
8822         * config/i386/rtems-64.h: New file.
8823
8824 2016-02-26  Joel Sherrill  <joel@rtems.org>
8825
8826         * config.gcc: Add aarch64-*-rtems*.
8827         * config/aarch64/rtems.h: New file.
8828
8829 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
8830
8831         PR target/69946
8832         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
8833         shift amount using %h.  Add comment.
8834
8835 2016-02-26  Richard Biener  <rguenther@suse.de>
8836             Jeff Law  <law@redhat.com>
8837
8838         PR tree-optimization/69740
8839         * cfghooks.c (remove_edge): Request loop fixups if we delete
8840         an edge that might turn an irreducible loop into a natural
8841         loop.
8842
8843 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8844
8845         PR middle-end/69920
8846         * tree-sra.c (sra_modify_assign): Do not remove loads of
8847         uninitialized aggregates to SSA_NAMEs.
8848
8849 2016-02-26  Richard Henderson  <rth@redhat.com>
8850
8851         PR target/69709
8852         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
8853         pseudo in case the target rtx matches the source of the left
8854         shift.
8855
8856 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8857
8858         PR hsa/69568
8859         * hsa.h (hsa_type_packed_p): Declare.
8860         * hsa.c (hsa_type_packed_p): New function.
8861         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
8862         loads.
8863         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
8864         * hsa-brig.c (emit_basic_insn): Likewise.
8865
8866 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8867
8868         pr hsa/69674
8869         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
8870         pointers.
8871         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
8872
8873 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8874
8875         * hsa.h (is_a_helper): New overload for hsa_op_immed for
8876         hsa_op_with_type operands.
8877         (hsa_unsigned_type_for_type): Declare.
8878         * hsa.c (hsa_unsigned_type_for_type): New function.
8879         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
8880         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
8881         the finalizer.  Do not emit extra move.
8882
8883 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8884
8885         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
8886         atomic operations in private segment.
8887
8888 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8889
8890         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
8891         statements to wi->info.  Also disallow omp simd constructs.
8892         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
8893         for not gridifying.  Dump special string for omp_for.
8894
8895 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8896
8897         PR target/69245
8898         * config/aarch64/aarch64.c (aarch64_set_current_function):
8899         Save/restore target globals when switching to
8900         target_option_default_node.
8901
8902 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8903
8904         PR target/69613
8905         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
8906         Return 0 if !SHIFT_COUNT_TRUNCATED.
8907
8908 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8909             Eric Botcazou  <ebotcazou@adacore.com>
8910
8911         PR rtl-optimization/69891
8912         * dse.c (scan_insn): If we can't figure out memset arguments
8913         or they are non-constant, call clear_rhs_from_active_local_stores.
8914
8915 2016-02-26  Martin Liska  <mliska@suse.cz>
8916
8917         * doc/extend.texi: Mention clog10, clog10f an clog10l
8918         in Builtins section.
8919
8920 2016-02-26  Martin Liska  <mliska@suse.cz>
8921
8922         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
8923         CHECKING_P.
8924         (resolve_args_picking_1): Likewise.
8925         * dwarf2out.h (struct GTY): Likewise.
8926
8927 2016-02-26  Martin Liska  <mliska@suse.cz>
8928
8929         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
8930         with flag_checking.
8931         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8932
8933 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
8934             Martin Liska  <mliska@suse.cz>
8935
8936         * doc/install.texi: Mention --enable-valgrind-annotations.
8937
8938 2016-02-26  Richard Biener  <rguenther@suse.de>
8939
8940         PR tree-optimization/69551
8941         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
8942         looking through aliases adjust DECL_PT_UID to refer to the
8943         ultimate alias target.
8944
8945 2016-02-25  Martin Liska  <mliska@suse.cz>
8946
8947         PR middle-end/69919
8948         * alloc-pool.c (after_memory_report): New variable.
8949         * alloc-pool.h (base_pool_allocator ::release): Do not use
8950         the infrastructure if after_memory_report.
8951         * toplev.c (toplev::main): Mark after memory report.
8952
8953 2016-02-25  Richard Biener  <rguenther@suse.de>
8954
8955         PR tree-optimization/48795
8956         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
8957
8958 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
8959
8960         PR driver/68463
8961         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
8962         offloading is enabled and -fopenacc or -fopenmp is specified.
8963         (CRTOFFLOADEND): Likewise.
8964         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
8965         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
8966         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
8967         (offload_objects_file_name): New static var.
8968         (tool_cleanup): Remove offload_objects_file_name file.
8969         (find_offloadbeginend): Replace with ...
8970         (find_crtoffloadtable): ... this.
8971         (run_gcc): Remove offload_argc and offload_argv.
8972         Get offload_objects_file_name from -foffload-objects=... option.
8973         Read names of object files with offload from this file, pass them to
8974         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
8975         don't pass offloadbegin and offloadend to the linker.  Don't pass
8976         offload non-LTO files to the linker, because now they're not claimed.
8977
8978 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
8979
8980         PR ipa/69630
8981         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8982         on builtin_unreachable.
8983
8984 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
8985
8986         PR rtl-optimization/69896
8987         * regcprop.c: Include cfgrtl.h.
8988         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
8989         than remembered mode, either delete it (if noop_move_p), or
8990         treat like copy_p but not noop_p instruction.
8991
8992 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8993
8994         PR debug/69705
8995         * dwarf2out.c (gen_variable_die): Work around buggy LTO
8996         - allow NULL decl for Fortran DW_TAG_common_block variables.
8997
8998 2016-02-24  Jason Merrill  <jason@redhat.com>
8999
9000         * common.opt (flifetime-dse): Add -flifetime-dse=1.
9001
9002 2016-02-24  Richard Biener  <rguenther@suse.de>
9003             Jakub Jelinek  <jakub@redhat.com>
9004
9005         PR middle-end/69760
9006         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
9007         conditionally executed ops to well-defined overflow behavior.
9008
9009 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9010
9011         PR middle-end/69915
9012         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
9013         elements.
9014
9015 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9016
9017         PR rtl-optimization/69886
9018         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
9019         argument.  Use it when checking validity of set instructions.
9020         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
9021         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
9022         callsite.
9023         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
9024         * store-motion.c (find_moveable_store): Update
9025         can_assign_to_reg_without_clobbers_p callsite.
9026
9027 2016-02-24  Richard Biener  <rguenther@suse.de>
9028
9029         PR middle-end/68963
9030         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
9031         bogus check.
9032         (record_nonwrapping_iv): Do not fall back to the low/high bound
9033         for non-constant IV bases if the stmt is not always executed.
9034
9035 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9036
9037         * config/arm/arm-cores.def (cortex-a32): New entry.
9038         * config/arm/arm-tables.opt: Regenerate.
9039         * config/arm/arm-tune.md: Regenerate.
9040         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
9041         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
9042         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
9043         for -mcpu and -mtune.
9044
9045 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9046
9047         PR target/69875
9048         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
9049         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
9050         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
9051         (atomic_loaddi_1): Delete.
9052         (atomic_loaddi): Rewrite expander using the above changes.
9053
9054 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9055
9056         PR c/69918
9057         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
9058         2 to 3.
9059
9060 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9061             Richard Biener  <rguenth@suse.de>
9062
9063         PR middle-end/69909
9064         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
9065         set_mem_attributes if tem is SSA_NAME which got expanded
9066         as a MEM.
9067
9068 2016-02-24  Richard Biener  <rguenther@suse.de>
9069
9070         PR tree-optimization/69907
9071         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
9072         end of permutations for BB vectorization.
9073
9074 2016-02-24  Christian Bruel  <christian.bruel@st.com>
9075
9076         * config/arm/arm-c.c (arm_option_override): Initialize
9077         target_option_current_node.
9078         * config/arm/arm.c (arm_pragma_target_parse): Replace
9079         build_target_option_node call by target_option_current_node.
9080         Set target_option_current_node.
9081         Fix comments.
9082
9083 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
9084
9085         PR target/69810
9086         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
9087         define_insn_and_split to define_insn.
9088         (zero_extendqi<mode>2_dot2): Same.
9089         (extendqi<mode>2_dot): Same.
9090         (extendqi<mode>2_dot2): Same.
9091
9092 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9093
9094         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
9095         and add bypass for AES{D,E} and AESMC pairs.
9096         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
9097         and AESMC pairs.
9098
9099 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9100
9101         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
9102         series for reciprocal square root in Exynos M1.
9103
9104 2016-02-23  Martin Sebor  <msebor@redhat.com>
9105
9106         PR c/69759
9107         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
9108         __builtin_alloca_with_align.
9109
9110 2016-02-23  Richard Henderson  <rth@redhat.com>
9111
9112         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
9113         (ix86_register_pragmas): Remove __seg_tls.
9114         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
9115         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
9116         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
9117         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
9118         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
9119         * doc/extend.texi (__seg_tls): Remove item.
9120
9121 2016-02-23  Richard Biener  <rguenther@suse.de>
9122
9123         * alloc-pool.h (struct allocation_object): Make id member
9124         conditional on CHECKING_P again.
9125         (get_instance): Adjust.
9126         (base_pool_allocator): Likewise.
9127
9128 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
9129
9130         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
9131         (parallelize_loops): In OpenACC kernels mode, set n_threads to
9132         zero.
9133         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
9134         flag_openacc.
9135         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
9136
9137 2016-02-23  Richard Biener  <rguenther@suse.de>
9138
9139         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
9140         * bitmap.h (struct bitmap_usage): Likewise.
9141         (bitmap_move): Declare.
9142         * bitmap.c (register_overhead): Take size_t argument.
9143         (bitmap_move): New function.
9144         * df-problems.c (df_rd_transfer_function): Use bitmap_move
9145         to properly account overhead.
9146         * tree.c (free_node): Use tree_size.
9147
9148 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
9149
9150         PR c++/69902
9151         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
9152         when inverting comparison.
9153
9154         PR c/69900
9155         * common.opt (Wunreachable-code): Add Warning flag.
9156
9157 2016-02-23  Mark Wielaard  <mjw@redhat.com>
9158             Jakub Jelinek  <jakub@redhat.com>
9159
9160         PR c/69911
9161         * cgraphunit.c (check_global_declaration): Check main_input_filename
9162         and DECL_SOURCE_FILE are not NULL.
9163
9164 2016-02-23  Martin Jambor  <mjambor@suse.cz>
9165
9166         PR tree-optimization/69666
9167         * tree-sra.c (sra_modify_assign): Do not attempt to create
9168         default_def replacements for unscalarizable regions.
9169
9170 2016-02-20  Mark Wielaard  <mjw@redhat.com>
9171
9172         PR c/28901
9173         * cgraphunit.c (check_global_declaration): Check level of
9174         warn_unused_const_variable and main_input_filename.
9175         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
9176         (-Wunused-variable): For C implies -Wunused-const-variable=1.
9177         (-Wunused-const-variable): Explain levels 1 and 2.
9178
9179 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9180
9181         PR target/69888
9182         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
9183         identical arguments.  Formatting and spelling fixes.
9184
9185         PR target/69885
9186         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
9187         be specified.
9188
9189         PR target/69894
9190         PR target/69895
9191         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
9192         and m68k-devices.def.
9193         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
9194         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
9195
9196 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
9197
9198         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
9199         and HImode registers.
9200
9201 2016-02-22  Richard Biener  <rguenther@suse.de>
9202
9203         PR tree-optimization/69882
9204         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
9205         preserve permutations present because of gaps.
9206         (vect_supported_load_permutation_p): Always continue checking
9207         permutations after vect_attempt_slp_rearrange_stmts.
9208
9209 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
9210
9211         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
9212         min_profitable_estimate, rather than min_profitable_iters.
9213
9214 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9215
9216         PR target/69885
9217         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
9218         SImode for last match_operand.
9219
9220 2016-02-22  Martin Liska  <mliska@suse.cz>
9221
9222         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
9223         return bitsize - 1 as the return value.
9224
9225 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
9226
9227         PR target/69806
9228         PR target/54089
9229         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
9230         Handle negative shift counts.
9231         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
9232         force_reg on the shift constant.
9233         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
9234         (lshrsi3_d): Handle negative shift counts.
9235
9236 2016-02-22  Richard Biener  <rguenther@suse.de>
9237             Tom de Vries  <tom@codesourcery.com>
9238
9239         * graph.c: Include dumpfile.h.
9240         (print_graph_cfg): Split into three overloads.
9241         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
9242
9243 2016-02-22  Tom de Vries  <tom@codesourcery.com>
9244
9245         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
9246         dump-fn.
9247
9248 2016-02-22  Richard Biener  <rguenther@suse.de>
9249
9250         PR ipa/37448
9251         * ipa-inline-transform.c (inline_call): When not updating
9252         overall summaries adjust self size by the growth estimate.
9253         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
9254         hash-set, do not update overall summaries here.  Renamed from ...
9255         (inline_to_all_callers): ... this which is now wrapping the
9256         above and performing delayed overall summary update.
9257         (early_inline_small_functions): Delay updating of the overall
9258         summary.
9259
9260 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
9261
9262         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
9263         variable.
9264
9265 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9266
9267         PR driver/69805
9268         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
9269         :%* in %:gt() argument.
9270         (greater_than_spec_func): Adjust for expecting only numbers,
9271         if there are more than two numbers, compare the last two.
9272
9273 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
9274
9275         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
9276         -Wnarrowing with -std.
9277
9278 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9279
9280         PR c++/69851
9281         * expr.c (store_field): Don't use bit-field path if exp is
9282         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
9283         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
9284         and the assignment can be performed by bitwise copy.  Formatting
9285         fix.
9286
9287         PR middle-end/69838
9288         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
9289         call copy_reg_eh_region_note_forward on before and/or after sequences
9290         and remove note from insn if it no longer can throw.
9291
9292         PR target/69820
9293         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
9294         if TARGET_AVX512BW.
9295
9296 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9297
9298         * config/s390/vector.md: Add missing commutative operand markers
9299         to the patterns which qualify for one.
9300         * config/s390/vx-builtins.md: Likewise.
9301
9302 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9303
9304         * config/s390/vector.md (VI, VI_QHS): Add single element vector
9305         types to mode iterators.
9306         (vec_double): ... and mode attribute.
9307         * config/s390/vx-builtins.md (non_vec_int): Likewise.
9308
9309 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9310
9311         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
9312         Change the predicate of op2 from nonimmediate to general and let
9313         reload fix it if necessary.
9314
9315 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9316
9317         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
9318
9319 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9320
9321         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
9322         mode.
9323
9324 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9325
9326         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
9327         * config/s390/s390.c (s390_expand_vec_movstr): New function.
9328         * config/s390/s390.md ("movstr<P:mode>"): Call
9329         s390_expand_vec_movstr.
9330
9331 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9332
9333         * config/s390/s390.md: Add missing output modifier for operand 1
9334         to print it as address properly.
9335
9336 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9337
9338         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
9339         * config/s390/2964.md: New file.
9340         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
9341         of insn grouping attributes depending on the CPU level.
9342         (s390_get_unit_mask): New function.
9343         (s390_sched_score): Remove the OOO from the scheduling macros.
9344         Add loop to calculate a score for the instruction mix.
9345         (s390_sched_reorder): Likewise plus improve debug output.
9346         (s390_sched_variable_issue): Rename macros as above.  Calculate
9347         the unit distances after actually scheduling an insn.  Improve
9348         debug output.
9349         (s390_sched_init): Clear last_scheduled_unit_distance array.
9350         * config/s390/s390.md: Include 2964.md.
9351
9352 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9353
9354         PR target/69671
9355         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
9356         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
9357         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
9358         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
9359         *avx512f_<code>v8div16qi2_mask_1): New insns.
9360
9361 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
9362
9363         PR target/68404
9364         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
9365         2016-02-09 change.
9366
9367         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
9368         earlyclobber from target.  Use wF constraint for fused memory
9369         address.
9370         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
9371
9372 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9373             Martin Liska  <mliska@suse.cz>
9374
9375         PR sanitizer/69863
9376         * cfgexpand.c (asan_sanitize_stack_p): New function.
9377         (partition_stack_vars): Use the function.
9378         (expand_stack_vars): Likewise.
9379         (defer_stack_allocation): Likewise.
9380         (expand_used_vars): Likewise.
9381
9382 2016-02-18  Richard Biener  <rguenther@suse.de>
9383
9384         PR middle-end/69553
9385         * fold-const.c (operand_equal_p): Properly compare offsets for
9386         IMAGPART_EXPR and ARRAY_REF.
9387
9388 2016-02-18  Nick Clifton  <nickc@redhat.com>
9389
9390         PR target/62254
9391         PR target/69610
9392         * config/arm/arm.c (arm_option_override_internal): Disable
9393         interworking if the target does not support thumb instructions.
9394         (arm_reload_in_hi): Handle the case where a register to register
9395         move needs reloading because there is no simple pattern to handle
9396         it.
9397         (arm_reload_out_hi): Likewise.
9398
9399 2016-02-18  Richard Biener  <rguenther@suse.de>
9400
9401         PR middle-end/69854
9402         * match.pd: Don't use fold_binary or fold_unary for folding
9403         constants.
9404
9405 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
9406
9407         PR c++/69850
9408         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
9409         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
9410         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
9411         warn on gimple_no_warning_p statements.
9412
9413 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
9414
9415         * doc/extend.texi (C++ Attributes): Correct description of
9416         warn_unused type attribute.
9417
9418 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9419
9420         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
9421         correct instruction.
9422
9423 2016-02-17  Richard Biener  <rguenther@suse.de>
9424
9425         PR rtl-optimization/69609
9426         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
9427         (find_traces_1_round): When ending a trace update cached priority
9428         of successors.
9429         (bb_to_key): Use cached priority when available.
9430         (copy_bb): Initialize cached priority.
9431         (reorder_basic_blocks_software_trace_cache): Likewise.
9432
9433 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9434
9435         PR target/69161
9436         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
9437         New predicate.
9438         (aarch64_comparison_operator): Break overly long line into two.
9439         (aarch64_comparison_operation): Likewise.
9440         * config/aarch64/aarch64.md (cstorecc4): Use
9441         aarch64_comparison_operator_mode instead of
9442         aarch64_comparison_operator.
9443         (cstore<mode>4): Likewise.
9444         (aarch64_cstore<mode>): Likewise.
9445         (*cstoresi_insn_uxtw): Likewise.
9446         (cstore<mode>_neg): Likewise.
9447         (*cstoresi_neg_uxtw): Likewise.
9448
9449 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9450
9451         PR target/69161
9452         * config/arm/predicates.md (arm_comparison_operator_mode):
9453         New predicate.
9454         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
9455         instead of arm_comparison_operator.
9456         (*mov_negscc): Likewise.
9457         (*mov_notscc): Likewise.
9458         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
9459         (*thumb2_mov_negscc): Likewise.
9460         (*thumb2_mov_negscc_strict_it): Likewise.
9461         (*thumb2_mov_notscc): Likewise.
9462         (*thumb2_mov_notscc_strict_it): Likewise.
9463
9464 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
9465
9466         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
9467         Add missing return.
9468
9469 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
9470
9471         * config/visium/visium.c (machine_libfunc_index): New enum.
9472         (machine_libfuncs): New structure.
9473         (visium_libfuncs): New static variable.
9474         (TARGET_INIT_LIBFUNCS): Define to...
9475         (visium_init_libfuncs): ...this.  New function.
9476         (expand_block_move_4): Use the appropriate libfunc.
9477         (expand_block_move_2): Likewise.
9478         (expand_block_move_1): Likewise.
9479         (expand_block_set_4): Likewise.
9480         (expand_block_set_2): Likewise.
9481         (expand_block_set_1): Likewise.
9482         (visium_trampoline_init): Likewise.
9483
9484 2016-02-17  Nick Clifton  <nickc@redhat.com>
9485
9486         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
9487         TI's devices.csv file as of March 2016.
9488
9489 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9490
9491         PR Target/48344
9492         * opts-global.c (handle_common_deferred_options): Introduce and
9493         initialize two global variables to remember command-line options
9494         specifying a stack-limiting register.
9495         * opts.h: Add extern declarations of the two new global variables.
9496         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
9497         variable based on the values of the two new global variables.
9498
9499 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9500
9501         PR c/69835
9502         * common.opt (Wnonnull-compare): New warning.
9503         * doc/invoke.texi (-Wnonnull): Remove text about comparison
9504         of arguments against NULL.
9505         (-Wnonnull-compare): Document.
9506         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
9507         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
9508         * passes.def (pass_warn_nonnull_compare): Add.
9509         * gimple-ssa-nonnull-compare.c: New file.
9510
9511 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9512
9513         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
9514         AARCH64_EXTRA_TUNE_RECIP_SQRT.
9515
9516 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9517
9518         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
9519         reciprocal sqrt for -mlow-precision-recip-sqrt.
9520
9521 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9522             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9523
9524         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
9525         always use lane loads to construct non-constant vectors.
9526
9527 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9528
9529         * config/aarch64/aarch64.md
9530         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
9531         constraints for operand 3.
9532         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
9533
9534 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9535             Richard Biener  <rguenther@suse.de>
9536
9537         PR tree-optimization/69820
9538         * tree-vect-patterns.c (type_conversion_p): Return false if
9539         *orig_type is unsigned single precision or boolean.
9540         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
9541         Formatting fix.
9542
9543 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9544
9545         PR rtl-optimization/69764
9546         PR rtl-optimization/69771
9547         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
9548         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
9549
9550 2016-02-16  Richard Biener  <rguenther@suse.de>
9551
9552         PR tree-optimization/69776
9553         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
9554         sets from caller.
9555         (indirect_refs_may_alias_p): Likewise.
9556         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
9557         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
9558         according to tbaa_p.
9559         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
9560         (optimize_stmt): For redundant store discovery do not allow tbaa.
9561
9562 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
9563
9564         PR tree-optimization/69714
9565         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
9566         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
9567
9568 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
9569
9570         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
9571         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
9572         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
9573         * config/arc/arc.c (arc_init): Check FPU options.
9574         (get_arc_condition_code): Handle new CC_FPU* modes.
9575         (arc_select_cc_mode): Likewise.
9576         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
9577         register pair only. Allow access for ARCv2 accumulator.
9578         (gen_compare_reg): Whenever we have FPU support use FPU compare
9579         instructions.
9580         (arc_reorg): Don't generate brcc insns when FPU compare
9581         instructions are involved.
9582         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
9583         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
9584         floating point emulation.
9585         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
9586         (REVERSE_CONDITION): Add new CC_FPU* modes.
9587         (TARGET_FP_SP_BASE): Define.
9588         (TARGET_FP_DP_BASE): Likewise.
9589         (TARGET_FP_SP_FUSED): Likewise.
9590         (TARGET_FP_DP_FUSED): Likewise.
9591         (TARGET_FP_SP_CONV): Likewise.
9592         (TARGET_FP_DP_CONV): Likewise.
9593         (TARGET_FP_SP_SQRT): Likewise.
9594         (TARGET_FP_DP_SQRT): Likewise.
9595         (TARGET_FP_DP_AX): Likewise.
9596         * config/arc/arc.md (ARCV2_ACC): New constant.
9597         (type): New fpu type attribute.
9598         (SDF): Conditional iterator.
9599         (cstore<mode>, cbranch<mode>): Change expand condition.
9600         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
9601         handles FPU/FPX cases as well.
9602         * config/arc/arc.opt (mfpu): New option.
9603         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
9604         Renamed.
9605         (adddf3, muldf3, subdf3): Removed.
9606         * config/arc/predicates.md (proper_comparison_operator): Recognize
9607         CC_FPU* modes.
9608         * config/arc/fpu.md: New file.
9609         * doc/invoke.texi (ARC Options): Document mfpu option.
9610
9611 2016-02-16  Richard Biener  <rguenther@suse.de>
9612
9613         PR rtl-optimization/69291
9614         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
9615         noce_operand_ok check.
9616
9617 2016-02-16  Tom de Vries  <tom@codesourcery.com>
9618
9619         PR lto/67709
9620         * omp-low.c (simd_clone_create): Remove call to
9621         symtab->call_cgraph_insertion_hooks.
9622
9623 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9624
9625         PR tree-optimization/69802
9626         * tree-ssa-reassoc.c (update_range_test): If op is
9627         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
9628         op == 1 test of precision 1 integral op, otherwise handle
9629         that case as op itself.  Fix up formatting.
9630         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
9631         up formatting.
9632
9633 2016-02-16  Richard Biener  <rguenther@suse.de>
9634
9635         PR tree-optimization/69586
9636         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
9637         types for conversion sources.
9638
9639 2016-02-16  Richard Biener  <rguenther@suse.de>
9640
9641         PR middle-end/69801
9642         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
9643         mask OEP_ADDRESS_OF.
9644
9645 2016-02-16  Alan Modra  <amodra@gmail.com>
9646
9647         PR target/68973
9648         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
9649         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
9650         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
9651         (p8_mtvsrwz): New.
9652         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
9653         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
9654         (p8_fmrgow_<mode>): Likewise.
9655         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
9656         changes.
9657         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
9658         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
9659         to use movdi_internal64.  Remove op0_di.
9660         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
9661
9662 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
9663
9664         Add support for the FCCMP insn types
9665
9666         * config/aarch64/aarch64.md (fccmp): Change insn type.
9667         (fccmpe): Likewise.
9668         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
9669         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
9670         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
9671         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
9672         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
9673         * config/arm/types.md (fccmps): Add new insn type.
9674         (fccmpd): Likewise.
9675
9676 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9677
9678         * alias.c (get_alias_set): Fix a typo in comment.
9679
9680 2016-02-15  Richard Biener  <rguenther@suse.de>
9681
9682         PR tree-optimization/69595
9683         * match.pd: Complete range test simplification to true.
9684
9685 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
9686
9687         PR rtl-optimization/69648
9688         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
9689         pic_offset_table_rtx.
9690
9691         PR rtl-optimization/69752
9692         * ira.c (update_equiv_regs): When looking for more than a single SET,
9693         also take other side effects into account.
9694
9695 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9696
9697         * config/s390/s390.c (s390_function_profiler): Add a new sequence
9698         for z900+ CPUs in 31-bit mode.
9699
9700 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9701
9702         * common/config/s390/s390-common.c (s390_supports_split_stack):
9703         New function.
9704         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
9705         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
9706         * config/s390/s390.c (struct machine_function): New field
9707         split_stack_varargs_pointer.
9708         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
9709         in s390_emit_prologue.
9710         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
9711         vararg pointer.
9712         (morestack_ref): New global.
9713         (SPLIT_STACK_AVAILABLE): New macro.
9714         (s390_expand_split_stack_prologue): New function.
9715         (s390_live_on_entry): New function.
9716         (s390_va_start): Use split-stack vararg pointer if appropriate.
9717         (s390_asm_file_end): Emit the split-stack note sections.
9718         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
9719         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
9720         (UNSPECV_SPLIT_STACK_CALL): New unspec.
9721         (UNSPECV_SPLIT_STACK_DATA): New unspec.
9722         (split_stack_prologue): New expand.
9723         (split_stack_space_check): New expand.
9724         (split_stack_data): New insn.
9725         (split_stack_call): New expand.
9726         (split_stack_call_*): New insn.
9727         (split_stack_cond_call): New expand.
9728         (split_stack_cond_call_*): New insn.
9729
9730 2016-02-15  Richard Biener  <rguenther@suse.de>
9731
9732         PR tree-optimization/69783
9733         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9734         Add trivially correct cases.
9735
9736 2016-02-15  Tom de Vries  <tom@codesourcery.com>
9737
9738         PR lto/69655
9739         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
9740         do_force_output.
9741         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
9742
9743 2016-02-15  Richard Biener  <rguenther@suse.de>
9744
9745         PR tree-optimization/69776
9746         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9747         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
9748         indicate whether we can use TBAA to disambiguate against stores.
9749         Use alias-set zero if not.
9750         (visit_reference_op_store): Do not use TBAA when looking up
9751         redundant stores.
9752         * tree-ssa-pre.c (compute_avail): Use TBAA here.
9753         (eliminate_dom_walker::before_dom_children): But not when looking
9754         up redundant stores.
9755
9756 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
9757
9758         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
9759
9760 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9761
9762         *  config/i386/znver1.md
9763         (znver1_pop, znver1_pop_mem,
9764         znver1_load_imov_double_store,
9765         znver1_load_imov_direct_store,
9766         znver1_load_imov_direct_load,
9767         znver1_load_imov_double_load): Add new.
9768         (znver1_insn, znver1_insn_load): Add icmov type.
9769         (znver1_sseavx_fma,
9770         znver1_sseavx_fma_load,
9771         znver1_avx256_fma,
9772         znver1_avx256_fma_load): Fix pipe usage.
9773
9774 2016-02-14  Alan Modra  <amodra@gmail.com>
9775
9776         PR target/68973
9777         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
9778         with an invalid hard reg, reload just the reg not the entire
9779         pre/post-inc/dec address expression.
9780
9781 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9782
9783         PR target/67260
9784         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
9785         fixed R1_REG scratch reg.
9786         (sibcall_value_pcrel_fdpic): Likewise.
9787
9788 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9789
9790         PR target/67636
9791         PR target/64345
9792         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
9793
9794 2016-02-12  Walter Lee  <walt@tilera.com>
9795
9796         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
9797         * config/tilegx/t-tilegx: Likewise.
9798
9799 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9800
9801         PR other/69554
9802         * diagnostic-show-locus.c (struct line_span): New struct.
9803         (layout::get_first_line): Delete.
9804         (layout::get_last_line): Delete.
9805         (layout::get_num_line_spans): New member function.
9806         (layout::get_line_span): Likewise.
9807         (layout::print_heading_for_line_span_index_p): Likewise.
9808         (layout::get_expanded_location): Likewise.
9809         (layout::calculate_line_spans): Likewise.
9810         (layout::m_first_line): Delete.
9811         (layout::m_last_line): Delete.
9812         (layout::m_line_spans): New field.
9813         (layout::layout): Update comment.  Replace m_first_line and
9814         m_last_line with m_line_spans, replacing their initialization
9815         with a call to calculate_line_spans.
9816         (diagnostic_show_locus): When printing source lines and
9817         annotations, rather than looping over a single span
9818         of lines, instead loop over each line_span within
9819         the layout, with an inner loop over the lines within them.
9820         Call the context's start_span callback when changing line spans.
9821         * diagnostic.c (diagnostic_initialize): Initialize start_span.
9822         (diagnostic_build_prefix): Break out the building of the location
9823         part of the string into...
9824         (diagnostic_get_location_text): ...this new function, rewriting
9825         it from nested ternary expressions to a sequence of "if"
9826         statements.
9827         (default_diagnostic_start_span_fn): New function.
9828         * diagnostic.h (diagnostic_start_span_fn): New typedef.
9829         (diagnostic_context::start_span): New field.
9830         (default_diagnostic_start_span_fn): New prototype.
9831
9832 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9833
9834         PR driver/69779
9835         * gcc.c (driver::finalize): Fix cleanup of "specs".
9836
9837 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9838
9839         PR driver/69265
9840         PR driver/69453
9841         * gcc.c (driver::driver): Initialize m_option_suggestions.
9842         (driver::~driver): Clean up m_option_suggestions.
9843         (suggest_option): Convert to...
9844         (driver::suggest_option): ...this, and split out into
9845         driver::build_option_suggestions and find_closest_string.
9846         (driver::build_option_suggestions): New function, from
9847         first half of suggest_option.  Special-case
9848         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
9849         the sanitizer_opts array.  For options of enum types, add the
9850         various enum values to the candidate strings.
9851         (driver::handle_unrecognized_options): Remove "const".
9852         * gcc.h (driver::handle_unrecognized_options): Likewise.
9853         (driver::build_option_suggestions): New decl.
9854         (driver::suggest_option): New decl.
9855         (driver::m_option_suggestions): New field.
9856         * opts-common.c (add_misspelling_candidates): New function.
9857         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
9858         and make non-static.
9859         * opts.h (sanitizer_opts): New array decl.
9860         (add_misspelling_candidates): New function decl.
9861         * spellcheck.c (find_closest_string): New function.
9862         * spellcheck.h (find_closest_string): New function decl.
9863
9864 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9865
9866         PR rtl-optimization/69764
9867         PR rtl-optimization/69771
9868         * optabs.c (expand_binop_directly): For shift_optab_p, force
9869         convert_modes with VOIDmode if xop1 has VOIDmode.
9870
9871 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
9872
9873         PR target/69729
9874         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
9875         to correctly determine instrumentation thunks.
9876
9877 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9878
9879         PR ipa/69241
9880         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
9881         type by reference, force lhs on the call.
9882
9883         PR ipa/68672
9884         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
9885         Compute retval and retbnd early in all cases if split_part_return_p
9886         and return_bb is not EXIT.  Remove all clobber stmts and reset
9887         all debug stmts that refer to SSA_NAMEs defined in split part,
9888         except if it is retval, in that case replace the old retval with the
9889         lhs of the call to the split part.
9890
9891 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9892
9893         revert:
9894         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9895
9896         PR middle-end/66726
9897         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9898         whose result is used in PHI.
9899         (maybe_optimize_range_tests): Likewise.
9900         (final_range_test_p): Likweise.
9901
9902 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9903
9904         PR middle-end/66726
9905         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9906         whose result is used in PHI.
9907         (maybe_optimize_range_tests): Likewise.
9908         (final_range_test_p): Likweise.
9909
9910 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9911
9912         * cgraph.c: Spelling fixes - behaviour -> behavior and
9913         neighbour -> neighbor.
9914         * target.def: Likewise.
9915         * sel-sched.c: Likewise.
9916         * config/mips/mips.c: Likewise.
9917         * config/arc/arc.md: Likewise.
9918         * config/arm/cortex-a57.md: Likewise.
9919         * config/arm/arm.c: Likewise.
9920         * config/arm/neon.md: Likewise.
9921         * config/arm/arm-c.c: Likewise.
9922         * config/vms/vms-c.c: Likewise.
9923         * config/s390/s390.c: Likewise.
9924         * config/i386/znver1.md: Likewise.
9925         * config/i386/i386.c: Likewise.
9926         * config/ia64/hpux-unix2003.h: Likewise.
9927         * config/msp430/msp430.md: Likewise.
9928         * config/rx/rx.c: Likewise.
9929         * config/rx/rx.md: Likewise.
9930         * config/aarch64/aarch64-simd.md: Likewise.
9931         * config/aarch64/aarch64.c: Likewise.
9932         * config/nvptx/nvptx.c: Likewise.
9933         * config/bfin/bfin.c: Likewise.
9934         * config/cris/cris.opt: Likewise.
9935         * config/rs6000/rs6000.c: Likewise.
9936         * target.h: Likewise.
9937         * spellcheck.c: Likewise.
9938         * ira-build.c: Likewise.
9939         * tree-inline.c: Likewise.
9940         * builtins.c: Likewise.
9941         * lra-constraints.c: Likewise.
9942         * explow.c: Likewise.
9943         * hwint.h: Likewise.
9944         * targhooks.c: Likewise.
9945         * tree-vect-data-refs.c: Likewise.
9946         * expr.c: Likewise.
9947         * doc/tm.texi: Likewise.
9948         * doc/extend.texi: Likewise.
9949         * doc/install.texi: Likewise.
9950         * doc/md.texi: Likewise.
9951         * tree-ssa-tail-merge.c: Likewise.
9952         * sched-int.h: Likewise.
9953         * match.pd: Likewise.
9954         * sched-ebb.c: Likewise.
9955         * target.def (omit_struct_return_reg): Likewise.
9956         * gimple-ssa-isolate-paths.c: Likewise.
9957         (find_implicit_erroneous_behaviour): Renamed to...
9958         (find_implicit_erroneous_behavior): ... this.
9959         (find_explicit_erroneous_behaviour): Renamed to...
9960         (find_explicit_erroneous_behavior): ... this.
9961         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
9962
9963 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
9964
9965         PR rtl-optimization/64682
9966         PR rtl-optimization/69567
9967         PR rtl-optimization/69737
9968         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
9969         in I2 as well, just lose it.
9970
9971 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9972
9973         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
9974         New variable.
9975         (aarch64_last_printed_tune_string): Likewise.
9976         (aarch64_declare_function_name): Only output .arch assembler
9977         directive if it will be different from the previously output
9978         directive.  Same for .tune comment but only if -dA is set.
9979         (aarch64_start_file): New function.
9980         (TARGET_ASM_FILE_START): Define.
9981
9982 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
9983
9984         PR plugins/69758
9985         * Makefile.in (PLUGIN_HEADERS): Add params.list.
9986
9987 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
9988
9989         PR target/65313
9990         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
9991         -Wmaybe-uninitialized warning.
9992
9993 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
9994
9995         PR target/69713
9996         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
9997
9998 2016-02-11  Richard Biener  <rguenther@suse.de>
9999
10000         PR rtl-optimization/69291
10001         * ifcvt.c (noce_try_store_flag_constants): Do not allow
10002         subexpressions affected by changing the result.
10003
10004 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
10005
10006         PR target/69148
10007         * lra-constraints.c (curr_insn_transform): Find in/out operands
10008         for secondary memory moves.  Update dups.
10009
10010 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
10011
10012         PR tree-optimization/69652
10013         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
10014         to nested loop, did source re-formatting, skip debug statements,
10015         add check on statement with volatile operand, remove dead scalar
10016         statements.
10017
10018 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
10019             Patrick Palka  <ppalka@gcc.gnu.org>
10020
10021         PR ipa/69241
10022         PR c++/69649
10023         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
10024         calls if the return type is TREE_ADDRESSABLE.
10025         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
10026         * ipa-split.c (split_function): Fix doubled "we" in comment.
10027         Use void return type for the split part even if
10028         !split_point->split_part_set_retval.
10029
10030 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
10031
10032         PR tree-optimization/68021
10033         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
10034         when computing the value of biv cand by itself.
10035
10036 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
10037
10038         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
10039         (cortexa57_tunings): Likewise.
10040         (cortexa72_tunings): Likewise.
10041         (arch_macro_fusion_pair_p): Add support for AES fusion.
10042         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
10043         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
10044         Allow virtual registers before reload so early scheduling works.
10045         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
10046         correct latency and pipeline.
10047         (cortex_a57_crypto_complex): Likewise.
10048         (cortex_a57_crypto_xor): Likewise.
10049         (define_bypass): Add AES bypass.
10050
10051 2016-02-10  Richard Biener  <rguenther@suse.de>
10052
10053         PR tree-optimization/69726
10054         * passes.def: Add DCE pass before late uninit.
10055         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
10056         really fixup if-conversions job.
10057
10058 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
10059
10060         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
10061         (arm_cortex_a57_tune): Likewise.
10062         (aarch_macro_fusion_pair_p): Add support for AES fusion.
10063         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
10064
10065 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10066
10067         * timevar.def (TV_PHASE_DBGINFO): Delete.
10068         (TV_PHASE_CHECK_DBGINFO): Likewise.
10069         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
10070
10071 2016-02-10  Richard Biener  <rguenther@suse.de>
10072
10073         PR tree-optimization/69719
10074         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10075         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
10076
10077 2016-02-09  Andrew Pinski  <apinski@cavium.com>
10078
10079         PR tree-opt/69282
10080         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
10081         get_vcond_mask_icode returns false.
10082
10083 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
10084
10085         PR target/68404
10086         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
10087         an ADDIS that adds a pointer to a large constant that sets the
10088         upper16 bits with a load operation.
10089
10090 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10091
10092         PR target/68532
10093         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
10094         order.
10095         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
10096         endian.
10097         (vzipq_s16): Likewise.
10098         (vzipq_s32): Likewise.
10099         (vzipq_f32): Likewise.
10100         (vzipq_u8): Likewise.
10101         (vzipq_u16): Likewise.
10102         (vzipq_u32): Likewise.
10103         (vzipq_p8): Likewise.
10104         (vzipq_p16): Likewise.
10105
10106 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10107
10108         PR target/68532
10109         * config/arm/arm.c (neon_endian_lane_map): New function.
10110         (neon_vector_pair_endian_lane_map): New function.
10111         (arm_evpc_neon_vuzp): Allow for big endian lane order.
10112         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
10113         endian.
10114         (vuzpq_s16): Likewise.
10115         (vuzpq_s32): Likewise.
10116         (vuzpq_f32): Likewise.
10117         (vuzpq_u8): Likewise.
10118         (vuzpq_u16): Likewise.
10119         (vuzpq_u32): Likewise.
10120         (vuzpq_p8): Likewise.
10121         (vuzpq_p16): Likewise.
10122
10123 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
10124
10125         PR target/69634
10126         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
10127         debug insns.
10128
10129 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
10130
10131         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
10132         truncate const_int operand 1 to QImode.
10133
10134 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10135
10136         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
10137         corresponding to an abnormal edge.
10138
10139 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10140
10141         PR tree-optimization/69599
10142         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
10143         function.
10144         (find_func_aliases_for_builtin_call, find_func_clobbers)
10145         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
10146         partition.
10147
10148 2016-02-09  Richard Biener  <rguenther@suse.de>
10149
10150         PR tree-optimization/69715
10151         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
10152         LHS on calls as non-rewritable.
10153
10154 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10155
10156         PR lto/69707
10157         * lto-wrapper.c (append_diag_options): New function.
10158         (compile_offload_image): Call append_diag_options.
10159
10160 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
10161
10162         PR other/69722
10163         * doc/extend.texi (Flag Output Operands): Correct sectioning.
10164         Minor copy-edit to fix verb tenses.
10165
10166 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
10167
10168         PR tree-optimization/69209
10169         * ipa-split.c (split_function): If split part is not
10170         returning retval, retval has gimple type but is not
10171         gimple value, force it into a SSA_NAME first.
10172
10173 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
10174
10175         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
10176         outdated section.
10177
10178 2016-02-08  Jason Merrill  <jason@redhat.com>
10179
10180         PR c++/69631
10181         * convert.c (convert_to_integer_1): Check dofold on truncation
10182         distribution.
10183         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
10184         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
10185         Rename from *_nofold.
10186         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
10187         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
10188
10189 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
10190
10191         PR target/60410
10192         * tree.c (build_common_tree_nodes): Remove short_double argument.
10193         All callers changed.
10194         * tree.h (build_common_tree_nodes): Adjust declaration.
10195         * doc/invoke.texi (-fshort-double): Remove documentation.
10196         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10197         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
10198         * lto-wrapper.c (merge_and_complain, append_compiler_options)
10199         (append_linker_options): Don't handle OPT_fshort_double.
10200
10201         PR rtl-optimization/68730
10202         * lra-remat.c (insn_to_cand_activation): New static variable.
10203         (lra_remat): Allocate and free it.
10204         (create_cand): New arg activation. Initialize a field in
10205         insn_to_cand_activation if it is nonnull.
10206         (create_cands): Pass the activation insn to create_cand when making
10207         a candidate involving an output reload.  Reorganize code a little.
10208         (do_remat): Keep track of active status of candidates in a separate
10209         bitmap.
10210
10211 2016-02-08  Richard Biener  <rguenther@suse.de>
10212
10213         PR tree-optimization/69719
10214         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10215         Properly use absolute of the difference of the two offsets to
10216         compare or adjust the segment length.
10217
10218 2016-02-08  Richard Biener  <rguenther@suse.de>
10219             Jeff Law  <law@redhat.com>
10220
10221         PR target/68273
10222         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
10223         types for anonymous SSA names.
10224
10225 2016-02-08   Richard Biener  <rguenther@suse.de>
10226
10227         PR rtl-optimization/69274
10228         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
10229
10230 2016-02-08  Jeff Law  <law@redhat.com>
10231
10232         PR tree-optimization/65917
10233         * tree-ssa-dom.c (record_temporary_equivalences): Record both
10234         equivalences from if (x == y) style conditionals.
10235         (loop_depth_of_name): Remove.
10236         (record_equality): Remove loop depth check.
10237         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
10238         (const_and_copies::record_const_or_copy_raw): New member function.
10239         * tree-ssa-scopedtables.c
10240         (const_and_copies::record_const_or_copy_raw): New, factored out of
10241         (const_and_copies::record_const_or_copy): Call new member function.
10242
10243 2016-02-05  Jeff Law  <law@redhat.com>
10244
10245         PR tree-optimization/68541
10246         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
10247         (count_stmts_in_block): New function.
10248         (poor_ifcvt_candidate_code): Likewise.
10249         (is_feasible_trace): Add some heuristics to determine when path
10250         splitting is profitable.
10251         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
10252         is a diamond with a single exit.
10253
10254 2016-02-05  Martin Sebor  <msebor@redhat.com>
10255
10256         PR c++/69662
10257         * doc/invoke.texi: Update -Wplacement-new to take an optional
10258         argument.
10259
10260 2016-02-06  Richard Henderson  <rth@redhat.com>
10261
10262         PR c/69643
10263         * tree.c (tree_nop_conversion_p): Do not strip casts into or
10264         out of non-standard address spaces.
10265
10266 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10267
10268         PR rtl-optimization/69691
10269         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
10270
10271 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
10272
10273         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
10274         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
10275         (*ieee128_mfvsrd_64bit): Likewise.
10276         (*ieee128_mfvsrd_32bit): Likewise.
10277
10278 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
10279
10280         PR target/69369
10281         Revert r232560:
10282         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10283
10284         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10285         instrumented_version.
10286
10287 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10288
10289         * doc/invoke.texi (Optimize Options): In table of --param options
10290         rename second occurrence of tracer-min-branch-ratio to
10291         tracer-min-branch-probability, rename
10292         tracer-min-branch-ratio-feedback to
10293         tracer-min-branch-probability-feedback and clarify description,
10294         rename sched-spec-state-edge-prob-cutoff to
10295         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
10296         to selsched-insns-to-rename, rename lto-minpartition to
10297         lto-min-partition, delete reorder-blocks-duplicate and
10298         reorder-blocks-duplicate-feedback.
10299
10300 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10301
10302         * config/s390/s390.c (s390_register_info_set_ranges): Remove
10303         superfluous loops.
10304
10305 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10306
10307         * doc/extend.texi: S/390: Correct some typos.
10308
10309 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10310
10311         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
10312
10313 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10314
10315         PR target/69625
10316         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
10317         (s390_register_info_gprtofpr): Use new macros above.
10318         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
10319         its name.
10320         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
10321         its name.  Adjust restore and save gpr ranges.
10322         (s390_register_info_set_ranges): New function.
10323         (s390_register_info): Use new macros above.  Call
10324         s390_register_info_set_ranges.
10325         (s390_optimize_register_info): Likewise.
10326         (s390_hard_regno_rename_ok): Use new macros.
10327         (s390_hard_regno_scratch_ok): Likewise.
10328         (s390_emit_epilogue): Likewise.
10329         (s390_can_use_return_insn): Likewise.
10330         (s390_optimize_prologue): Likewise.
10331         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
10332
10333 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10334
10335         PR bootstrap/69677
10336         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
10337         alignment fixes.
10338         (ix86_option_override_internal): Disable TARGET_STV even for
10339         -m{incoming,preferred}-stack-boundary=3.
10340
10341 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10342
10343         * config.gcc: Mark deprecated rtems targets as obsolete.
10344
10345 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
10346
10347         PR rtl-optimization/64682
10348         PR rtl-optimization/69567
10349         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
10350         before I2 only if the register is both used and set in I2.
10351
10352 2016-02-04  DJ Delorie  <dj@redhat.com>
10353
10354         * config/msp430/msp430.c (msp430_start_function): Add function type.
10355
10356 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10357
10358         PR fortran/69368
10359         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
10360
10361 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
10362
10363         PR rtl-optimization/69577
10364         Revert:
10365         2015-10-29  Richard Henderson  <rth@redhat.com>
10366
10367         PR target/68124
10368         PR rtl-opt/67609
10369         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
10370         sse check to the exact conditions of PR 67609.
10371
10372 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
10373
10374         PR target/69667
10375         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
10376         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
10377         not allowed into the traditional Altivec registers.
10378         (movtd_64bit_nodm): Likewise.
10379         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
10380
10381 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
10382
10383         * config/aarch64/cortex-a57-fma-steering.c
10384         (aarch64_register_fma_steering): Remove "static" from arguments
10385         to register_pass.
10386
10387 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
10388
10389         PR target/69619
10390         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
10391         twice when complex.
10392
10393 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
10394
10395         * doc/invoke.texi: Delete -mno-fma4.
10396
10397 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
10398
10399         PR rtl-optimization/69577
10400         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
10401         (find_subregs_of_mode): Update accordingly.  Iterate over partial
10402         definitions.
10403
10404 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
10405
10406         * config/arm/arm-protos.h (neon_reinterpret): Remove.
10407         * config/arm/arm.c (neon_reinterpret): Remove.
10408         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
10409         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
10410         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
10411         vreinterpretti): Remove.
10412         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
10413         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
10414         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
10415         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
10416         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
10417         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
10418         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
10419         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
10420         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
10421         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
10422         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
10423         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
10424         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
10425         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
10426         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
10427         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
10428         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
10429         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
10430         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
10431         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
10432         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
10433         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
10434         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
10435         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
10436         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
10437         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
10438         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
10439         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
10440         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
10441         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
10442         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
10443         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
10444         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
10445         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
10446         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
10447         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
10448         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
10449         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
10450         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
10451         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
10452         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
10453         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
10454         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
10455         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
10456         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
10457         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
10458         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
10459         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
10460         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
10461         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
10462         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
10463         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
10464         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
10465         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
10466         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
10467         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
10468         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
10469         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
10470         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
10471         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
10472         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
10473         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
10474         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
10475         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
10476         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
10477         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
10478         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
10479         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
10480         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
10481         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
10482         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
10483         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
10484         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
10485         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
10486         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
10487         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
10488         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
10489         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
10490         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
10491         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
10492         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
10493         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
10494         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
10495         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
10496         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
10497         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
10498         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
10499         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
10500         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
10501         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
10502         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
10503         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
10504         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
10505         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
10506         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
10507         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
10508         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
10509         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
10510         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
10511         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
10512         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
10513         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
10514         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
10515
10516 2016-02-04  Martin Liska  <mliska@suse.cz>
10517
10518         PR sanitizer/69276
10519         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
10520         that are gimple_store_p.
10521         (maybe_instrument_call): Likewise.
10522
10523 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
10524
10525         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
10526         register scaling out of memory reference and comment why.
10527
10528 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10529
10530         PR target/65932
10531         PR target/67714
10532         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
10533         folding the source of a SET.
10534
10535 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10536
10537         PR target/65932
10538         PR target/67714
10539         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
10540         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
10541
10542 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
10543
10544         PR target/65932
10545         PR target/67714
10546         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
10547         HImode.
10548
10549 2016-02-04  Christian Bruel  <christian.bruel@st.com>
10550
10551         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
10552         * config/arm/arm.c (arm_set_current_function): Likewise.
10553
10554 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10555             Ilya Enkovich  <enkovich.gnu@gmail.com>
10556             H.J. Lu  <hongjiu.lu@intel.com>
10557
10558         PR target/69454
10559         * config/i386/i386.c (convert_scalars_to_vector): Remove
10560         stack alignment fixes.
10561         (ix86_option_override_internal): Disable TARGET_STV if stack
10562         might not be aligned enough.
10563         (ix86_minimum_alignment): Assert that TARGET_STV is false.
10564
10565 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
10566
10567         * config/i386/x86-tune.def: Disable default prefetching
10568         for -march=znver1.
10569
10570 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
10571             Vladimir Makarov  <vmakarov@redhat.com>
10572
10573         PR target/69461
10574         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
10575         in validating fused toc addresses.
10576
10577 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
10578
10579         PR c/69627
10580         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
10581         range->m_caret fields if range->m_show_caret_p is false.
10582
10583         PR target/69644
10584         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10585         Force oldval into register if it does not satisfy reg_or_short_operand
10586         predicate.  Fix up formatting.
10587
10588 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10589             Alexandre Oliva  <aoliva@redhat.com>
10590
10591         PR target/69461
10592         * lra-constraints.c (simplify_operand_subreg): Check additionally
10593         address validity after potential reloading.
10594         (process_address_1): Check insns validity.  In case of failure do
10595         nothing.
10596
10597 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
10598
10599         PR target/69118
10600         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
10601         Fix target.
10602
10603 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
10604
10605         * wide-int.cc (canonize_uhwi): New function.
10606         (wi::divmod_internal): Use it.
10607
10608 2016-02-02  James Norris  <jnorris@codesourcery.com
10609
10610         * gimplify.c (omp_notice_variable): Add usage check.
10611
10612 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
10613
10614         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
10615         like LE, GE, LT, GT when emitting relational operator.
10616
10617 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10618
10619         * ira-costs.c (find_costs_and_classes): Add extra argument.
10620         * target.def (ira_change_pseudo_allocno_class): Add parameter.
10621         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
10622         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
10623         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
10624         Add best_class parameter, and return it if not ALL_REGS.
10625         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
10626         Add parameter.
10627         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
10628         Update target hook.
10629
10630 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10631
10632         * config/aarch64/aarch64.c
10633         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
10634         (aarch64_ira_change_pseudo_allocno_class): New function.
10635
10636 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
10637
10638         PR target/67032
10639         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
10640
10641 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10642
10643         * config/avr/avr.c (avr_option_override): Set
10644         PARAM_ALLOW_STORE_DATA_RACES to 1.
10645
10646 2016-02-02  Richard Biener  <rguenther@suse.de>
10647
10648         PR tree-optimization/69595
10649         * match.pd: Add range test simplifications to true/false.
10650
10651 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
10652
10653         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
10654         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
10655         instead.
10656
10657 2016-02-02  Richard Biener  <rguenther@suse.de>
10658
10659         PR tree-optimization/69606
10660         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
10661         info on the result before moving a stmt.
10662
10663 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
10664
10665         PR middle-end/68542
10666         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
10667         branch with vector comparison.
10668         * config/i386/sse.md (VI48_AVX): New mode iterator.
10669         (define_expand "cbranch<mode>4): Add support for conditional branch
10670         with vector comparison.
10671         * tree-vect-loop.c (optimize_mask_stores): New function.
10672         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
10673         has_mask_store field of vect_info.
10674         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
10675         vectorized loops having masked stores after vec_info destroy.
10676         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
10677         correspondent macros.
10678         (optimize_mask_stores): Add prototype.
10679
10680 2016-02-02  Alan Modra  <amodra@gmail.com>
10681
10682         PR target/69548
10683         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
10684         allow subregs.
10685
10686 2016-02-02  Alan Modra  <amodra@gmail.com>
10687
10688         PR target/68662
10689         * config/rs6000/rs6000.c (need_toc_init): New var, set it
10690         whenever toc_label_name used.
10691         (rs6000_file_start): Don't set up toc section here,
10692         (rs6000_output_function_epilogue): do so here instead,
10693         (rs6000_xcoff_file_start): and here.
10694         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
10695         (load_toc_aix_di): Likewise.
10696
10697 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10698
10699         PR rtl-optimization/69592
10700         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
10701         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
10702         (num_sign_bit_copies_binary_arith_p): New inline function.
10703         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
10704
10705 2016-02-01  Jeff Law  <law@redhat.com>
10706
10707         PR tree-optimization/69580
10708         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
10709         * tree-ssa-threadbackward.c
10710         (fsm_find_control_statement_thread_paths): Do not try to walk
10711         through large PHI nodes.
10712
10713 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10714
10715         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
10716         when count is incremented above limit, don't analyze further
10717         insns afterwards.
10718
10719         * omp-low.c (oacc_parse_default_dims): Avoid
10720         -Wsign-compare warning, make sure value fits into int
10721         rather than just unsigned int.
10722
10723 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
10724
10725         PR tree-optimization/67921
10726         * fold-const.c (split_tree): New parameters.  Convert pointer
10727         type variable part to proper type before negating.
10728         (fold_binary_loc): Pass new arguments to split_tree.
10729
10730 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
10731
10732         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
10733         (nvptx_goacc_validate_dims): Extend to handle global defaults.
10734         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
10735         * doc/tm.texti: Rebuilt.
10736         * doc/invoke.texi (fopenacc-dim): Document.
10737         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
10738         (append_compiler_options): Likewise.
10739         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
10740         (oacc_parse_default_dims): New.
10741         (oacc_validate_dims): Add USED arg.  Select non-unity default when
10742         possible.
10743         (oacc_loop_fixed_partitions): Return mask of used partitions.
10744         (oacc_loop_auto_partitions): Emit dump info.
10745         (oacc_loop_partition): Return mask of used partitions.
10746         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
10747         loop partitioning and validation calls.
10748
10749 2016-02-01  Richard Biener  <rguenther@suse.de>
10750
10751         PR middle-end/69556
10752         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
10753
10754 2016-02-01  Richard Biener  <rguenther@suse.de>
10755
10756         PR tree-optimization/69574
10757         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
10758         of asserting return chrec_dont_know.
10759
10760 2016-02-01  Martin Liska  <mliska@suse.cz>
10761
10762         * mem-stats-traits.h: Add copyright header.
10763         * mem-stats.h: Likewise.
10764
10765 2016-02-01  Richard Biener  <rguenther@suse.de>
10766
10767         PR tree-optimization/69579
10768         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10769         Do not propagate through abnormal PHI results.
10770
10771 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
10772
10773         * postreload.c (reload_cse_simplify): Remove dead code.
10774
10775 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10776
10777         PR rtl-optimization/69570
10778         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
10779         if there is more than one set, not if there is a single set.
10780
10781 2016-02-01  Richard Henderson  <rth@redhat.com>
10782
10783         PR rtl-opt/69535
10784         * combine.c (make_compound_operation): When looking through a
10785         subreg, make sure to re-extend to the width of the outer mode.
10786
10787 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
10788
10789         PR tree-optimization/69546
10790         * wide-int.cc (wi::divmod_internal): For unsigned division
10791         where both operands fit into uhwi, if o1 is 1 and o0 has
10792         msb set, if divident_prec is larger than bits per hwi,
10793         clear another quotient word and return 2 instead of 1.
10794         Similarly for remainder with msb in HWI set, if dividend_prec
10795         is larger than bits per hwi.
10796
10797 2016-01-29  Martin Jambor  <mjambor@suse.cz>
10798
10799         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
10800         Use short lowercase names.
10801         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
10802         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
10803         acq_rel one.  Protect warning agains segfaults if
10804         get_memory_order_name returns NULL.
10805         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
10806         with release semantics.  Do not warn if get_memory_order already did.
10807         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
10808         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
10809         if get_memory_order already did.
10810
10811 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
10812
10813         * doc/install.texi: Document that isl-0.16 is supported.
10814
10815 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10816
10817         PR target/69299
10818         * config/i386/constraints.md (Bm): Describe as special memory
10819         constraint.
10820         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
10821         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10822         * genpreds.c (struct constraint_data): Add is_special_memory.
10823         (have_special_memory_constraints, special_memory_start): New
10824         static vars.
10825         (special_memory_end): Ditto.
10826         (add_constraint): Add new arg is_special_memory.  Add code to
10827         process its true value.  Update have_special_memory_constraints.
10828         (process_define_constraint): Pass the new arg.
10829         (process_define_register_constraint): Ditto.
10830         (choose_enum_order): Process special memory.
10831         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
10832         function insn_extra_special_memory_constraint.
10833         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10834         * gensupport.c (process_rtx): Process
10835         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10836         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
10837         * ira-lives.c (single_reg_class): Use
10838         insn_extra_special_memory_constraint.
10839         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
10840         * lra-constraints.c (process_alt_operands): Ditto.
10841         (curr_insn_transform): Use insn_extra_special_memory_constraint.
10842         * recog.c (asm_operand_ok, preprocess_constraints): Process
10843         CT_SPECIAL_MEMORY.
10844         * reload.c (find_reloads): Ditto.
10845         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
10846         * stmt.c (parse_input_constraint): Use
10847         insn_extra_special_memory_constraint.
10848
10849 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10850
10851         PR target/69530
10852         * lra-splill.c (lra_final_code_change): Revert r229087 by
10853         removing all sub-registers.
10854
10855 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
10856
10857         PR target/65604
10858         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
10859
10860 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
10861
10862         PR target/69551
10863         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10864         SSE1, copy target into the temporary reg first before recursing
10865         on it.
10866
10867 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10868
10869         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
10870         with vm.
10871
10872 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10873
10874         * ginclude/stdarg.h: Test __cplusplus instead of
10875         __GXX_EXPERIMENTAL_CXX0X__.
10876
10877 2016-01-29  Richard Biener  <rguenther@suse.de>
10878
10879         PR tree-optimization/69547
10880         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
10881         Do not mark clobbers necessary.
10882         (mark_all_reaching_defs_necessary_1): Likewise.
10883
10884 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10885
10886         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
10887         declaration name with %qs and print it in both error messages.
10888         Also fix indentation.
10889
10890 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10891
10892         PR other/69006
10893         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
10894         trailing blank line from error message.
10895
10896 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10897
10898         PR c++/69462
10899         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
10900         for C++-11.
10901
10902 2016-01-29  Richard Biener  <rguenther@suse.de>
10903
10904         PR middle-end/69537
10905         * match.pd: Allow all integral types when simplifying a
10906         widening or sign-changing conversion.
10907
10908 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10909
10910         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
10911         back to setting codegen_error to fail codegen.
10912
10913 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
10914
10915         PR target/69459
10916         * config/i386/constraints.md (C): Only accept constant zero operand.
10917         (BC): New constraint.
10918         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
10919         instead of C constraint.
10920         * doc/md.texi (Machine Constraints): Update description
10921         of C constraint.
10922
10923 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
10924
10925         PR target/68400
10926         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
10927
10928 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
10929
10930         PR middle-end/69542
10931         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
10932         non-debug insns.
10933
10934 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10935
10936         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
10937         branches if using guessed profile.
10938
10939 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
10940
10941         * graphite-optimize-isl.c (optimize_isl): Fix dump.
10942
10943 2016-01-28  Richard Henderson  <rth@redhat.com>
10944
10945         PR target/69305
10946         * config/aarch64/aarch64-modes.def (CC_Cmode): New
10947         * config/aarch64/aarch64-protos.h: Update.
10948         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
10949         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
10950         (aarch64_get_condition_code_1): Handle CC_Cmode.
10951         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
10952         (*add<mode>3_compareC_cconly_imm): New.
10953         (*add<mode>3_compareC_cconly): New.
10954         (*add<mode>3_compareC_imm): New.
10955         (add<mode>3_compareC): New.
10956         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
10957         to be first.  Use aarch64_carry_operation.
10958         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
10959         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
10960         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
10961         (subti3): Use subdi3_compare1.
10962         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
10963         (sub<mode>3_compare1): New.
10964         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
10965         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
10966         (*subsi3_carryin_uxtw): Likewise.
10967         (*ngc<mode>, *ngcsi_uxtw): Likewise.
10968         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
10969         * config/aarch64/iterators.md (DWI): New.
10970         * config/aarch64/predicates.md (aarch64_carry_operation): New.
10971         (aarch64_borrow_operation): New.
10972
10973 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10974
10975         * graphite-optimize-isl.c (optimize_isl): Print a different debug
10976         message when isl does not return a valid schedule.
10977
10978 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10979
10980         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
10981         Remove comments from class declarations: they are already in the code
10982         close by the defs.
10983
10984 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10985
10986         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
10987         codegen_error_p.
10988         (ternary_op_to_tree): Same.
10989         (unary_op_to_tree): Same.
10990         (nary_op_to_tree): Same.
10991         (gcc_expression_from_isl_expr_op): Same.
10992         (gcc_expression_from_isl_expression): Same.
10993         (graphite_create_new_loop): Same.
10994         (graphite_create_new_loop_guard): Same.
10995         (build_iv_mapping): Same.
10996         (graphite_create_new_guard): Same.
10997         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
10998         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
10999
11000 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
11001
11002         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
11003         instead of setting codegen_error to fail codegen.
11004
11005 2016-01-28  Jason Merrill  <jason@redhat.com>
11006
11007         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
11008
11009 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
11010
11011         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
11012         Remove CONST_INT_P check in CCMP cost calculation.
11013
11014 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
11015
11016         * config/aarch64/aarch64.c (generic_vector_cost):
11017         Set vec_permute_cost.
11018         (cortexa57_vector_cost): Likewise.
11019         (exynosm1_vector_cost): Likewise.
11020         (xgene1_vector_cost): Likewise.
11021         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
11022         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
11023         Add vec_permute_cost entry.
11024
11025 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
11026
11027         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
11028         immediate as %1.
11029         (add<mode>3_compare0): Likewise.
11030         (addsi3_compare0_uxtw): Likewise.
11031         (add<mode>3nr_compare0): Likewise.
11032         (compare_neg<mode>): Likewise.
11033         (<optab><mode>3): Likewise.
11034
11035 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
11036
11037         * tree-vect-stmts.c (vectorizable_comparison): Add
11038         NULL check for vectype.
11039
11040 2016-01-28  Richard Biener  <rguenther@suse.de>
11041
11042         PR tree-optimization/69466
11043         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
11044         Account for PHIs we couldn't duplicate.
11045
11046 2016-01-28  Martin Liska  <mliska@suse.cz>
11047
11048         PR pch/68758
11049         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
11050         instead of ENABLE_VALGRIND_CHECKING.
11051
11052 2016-01-27  Richard Henderson  <rth@redhat.com>
11053
11054         PR rtl-opt/69447
11055         * lra-remat.c (subreg_regs): New.
11056         (dump_candidates_and_remat_bb_data): Dump it.
11057         (operand_to_remat): Reject if operand in subreg_regs.
11058         (set_bb_regs): Collect subreg_regs.
11059         (lra_remat): Init and free subreg_regs.  Compute
11060         calculate_local_reg_remat_bb_data before create_cands.
11061
11062 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11063
11064         PR target/68986
11065         * config/i386/i386.c (ix86_update_stack_boundary): Don't
11066         change stack_alignment_needed for __tls_get_addr call.
11067
11068 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
11069
11070         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
11071
11072 2016-01-27  Jeff Law  <law@redhat.com>
11073
11074         PR tree-optimization/68398
11075         PR tree-optimization/69196
11076         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
11077         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
11078         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11079         Only count PHIs in the last block in the path.  The others will
11080         const/copy propagate away.  Add heuristic to allow more irreducible
11081         subloops to be created when it is likely profitable to do so.
11082
11083         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11084         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
11085         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
11086
11087 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11088
11089         PR lto/69254
11090         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
11091         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
11092         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
11093         * tree-streamer-in.c: Include asan.h.
11094         (streamer_get_builtin_tree): For builtins in sanitizer
11095         range call initialize_sanitizer_builtins and retry.
11096
11097 2016-01-27  Ian Lance Taylor  <iant@google.com>
11098
11099         * common.opt (fkeep-gc-roots-live): New undocumented option.
11100         * tree-ssa-loop-ivopts.c (add_candidate_1): If
11101         -fkeep-gc-roots-live, skip pointers.
11102         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
11103         NULL.
11104
11105 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
11106
11107         PR target/69512
11108         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
11109         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
11110
11111 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
11112
11113         PR target/68380
11114         * configure.ac: NetBSD provides SSP in its C library.
11115         * configure: Updated.
11116
11117 2016-01-27  Richard Biener  <rguenther@suse.de>
11118
11119         PR tree-optimization/69166
11120         * tree-vect-loop.c (vect_is_simple_reduction): Always check
11121         reduction code for commutativity / associativity.
11122
11123 2016-01-27  Martin Jambor  <mjambor@suse.cz>
11124
11125         PR tree-optimization/69355
11126         * tree-sra.c (analyze_access_subtree): Correct hole detection when
11127         total_scalarization fails.
11128
11129 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
11130
11131         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
11132         power9.
11133
11134 2016-01-27  Christian Bruel  <christian.bruel@st.com>
11135
11136         PR target/69245
11137         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
11138         Move arm_reset_previous_fndecl and set_target_option_current_node in
11139         the conditional part.  Call save_restore_target_globals.
11140         * config/arm/arm.c (arm_set_current_function):
11141         Refactor to better support #pragma target and attribute mix.
11142         Call save_restore_target_globals.
11143         * config/arm/arm-protos.h (save_restore_target_globals): New function.
11144
11145 2016-01-27  Martin Liska  <mliska@suse.cz>
11146
11147         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
11148         reference for an HSA kernel and its host function.
11149
11150 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11151
11152         PR tree-optimization/69399
11153         * wide-int.h (wi::lrshift): For larger precisions, only
11154         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
11155
11156 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
11157
11158         * config/arc/predicates.md (proper_comparison_operator): Reject
11159         constant-constant comparison.
11160
11161 2016-01-26  Tom de Vries  <tom@codesourcery.com>
11162
11163         PR tree-optimization/69110
11164         * tree-data-ref.c (initialize_data_dependence_relation): Handle
11165         DR_NUM_DIMENSIONS == 0.
11166
11167 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
11168             Sebastian Pop  <s.pop@samsung.com>
11169
11170         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
11171         isl_ast_op_cond and isl_ast_op_select.
11172         (gcc_expression_from_isl_expr_op): Same.
11173
11174 2016-01-26  Jason Merrill  <jason@redhat.com>
11175
11176         PR c++/68782
11177         * tree.c (recompute_constructor_flags): Split out from
11178         build_constructor.
11179         (verify_constructor_flags): New.
11180         * tree.h: Declare them.
11181
11182 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
11183
11184         PR rtl-optimization/69217
11185         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
11186         are no TYPE_FIELDS set for the record type.
11187
11188 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11189
11190         PR target/68662
11191         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
11192         toc_label_name unconditionally.
11193         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
11194         SYMBOL_REF string.  Use toc_label_name instead of constructing
11195         LCTOC1.
11196         (rs6000_elf_declare_function_name): Use toc_label_name instead of
11197         constructing LCTOC1.
11198
11199 2016-01-26  Martin Sebor  <msebor@redhat.com>
11200
11201         PR other/69477
11202         * doc/extend.texi (Common Type Attributes): Move text that talks about
11203         attribute packed from attribute aligned to the section discussing
11204         the former attribute for clarity.
11205
11206 2016-01-26  Richard Henderson  <rth@redhat.com>
11207
11208         PR middle-end/60908
11209         * trans-mem.c (tm_region_init): Mark entry block as visited.
11210
11211 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
11212
11213         PR other/69006
11214         * diagnostic-show-locus.c (layout::print_source_line): Replace
11215         call to pp_newline with call to layout::print_newline.
11216         (layout::print_annotation_line): Likewise.
11217         (layout::move_to_column): Likewise.
11218         (layout::print_any_fixits): After printing any fixits, print a
11219         trailing newline, if necessary.
11220         (layout::print_newline): New method, resetting any colorization
11221         before a newline.
11222         (diagnostic_show_locus): Move the pp_newline to before the
11223         early bailout.  Remove dummy block enclosing the layout instance.
11224         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
11225         of pp_newline_and_flush with pp_flush.
11226         (diagnostic_append_note): Delete use of pp_newline.
11227         (diagnostic_append_note_at_rich_loc): Delete.
11228         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
11229         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
11230         when newline characters are added to the buffer.
11231
11232 2016-01-26  Michael Matz  <matz@suse.de>
11233
11234         * configure.ac (ac_cv_std_swap_in_utility): New test.
11235         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
11236         * configure: Regenerate.
11237         * config.in: Regenerate.
11238
11239 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
11240
11241         * config/arc/arc.md (cstoresi4): Force operand into register.
11242         (arcset<code>): Fix predicate.
11243         (arcsetltu): Likewise.
11244         (arcsetgeu): Likewise.
11245         (arcsethi): Likewise.
11246         (arcsetls): Likewise.
11247
11248 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11249
11250         PR tree-optimization/69483
11251         * gimple-fold.c (canonicalize_constructor_val): Return NULL
11252         if base has error_mark_node type.
11253
11254 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
11255
11256         PR target/68620
11257         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
11258         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
11259         New helper macros.
11260         (vget_lane_f16): Handle big-endian.
11261         (vgetq_lane_f16): Likewise.
11262         (vset_lane_f16): Likewise.
11263         (vsetq_lane_f16): Likewise.
11264         * config/arm/iterators.md (VQXMOV): Add V8HF.
11265         (VDQ): Add V4HF and V8HF.
11266         (V_reg): Handle V4HF and V8HF.
11267         (Is_float_mode): Likewise.
11268         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
11269         neon_vdup_nv8hf): New patterns.
11270         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
11271         Use VD_LANE iterator.
11272         (neon_vld1_dup<mode>): Use VQ2 iterator.
11273
11274 2016-01-26  Nathan Sidwell  <nathan@acm.org>
11275
11276         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
11277         (set_oacc_fn_attrib): Add IS_KERNEL arg.
11278         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
11279         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
11280         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
11281         (oacc_validate_dims): Add LEVEL arg, don't return level.
11282         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
11283         oacc_validate_dims.
11284         (execute_oacc_device_lower): Adjust, add more dump output.
11285         * tree-ssa-loop.c (gate_oacc_kernels): Use
11286         oacc_fn_attrib_kernels_p.
11287         * tree-parloops.c (create_parallel_loop): Adjust
11288         set_oacc_fn_attrib call.
11289
11290 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11291
11292         PR lto/69254
11293         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
11294         (append_compiler_options): Handle -fcilkplus.
11295         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
11296
11297 2016-01-26  Nick Clifton  <nickc@redhat.com>
11298
11299         PR target/66655
11300         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
11301         been marked as DECL_ONE_ONLY but we do not the means to make it
11302         so, then do not allow it to bind locally.
11303
11304 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11305
11306         PR lto/69254
11307         * opts.h (parse_sanitizer_options): New prototype.
11308         * opts.c (sanitizer_opts): New array.
11309         (parse_sanitizer_options): New function.
11310         (common_handle_option): Use parse_sanitizer_options.
11311
11312 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
11313
11314         PR target/68986
11315         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
11316         alignment adjustment to ...
11317         (ix86_update_stack_boundary): Here.  Don't over-align stack for
11318         __tls_get_addr.
11319         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
11320         if __tls_get_addr is called.
11321
11322 2016-01-26  Christian Bruel  <christian.bruel@st.com>
11323
11324         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
11325
11326 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
11327
11328         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
11329
11330 2016-01-26  Richard Biener  <rguenther@suse.de>
11331
11332         PR middle-end/69467
11333         * match.pd: Guard X * CST CMP 0 pattern with single_use.
11334
11335 2016-01-26  Richard Biener  <rguenther@suse.de>
11336
11337         PR tree-optimization/69452
11338         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
11339         (move_computations_dom_walker::before_dom_children): Rename
11340         to ...
11341         (move_computations_worker): This.
11342         (move_computations): Perform an RPO rather than a DOM walk.
11343
11344 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11345
11346         PR target/69442
11347         * combine.c (combine_instructions): For REG_EQUAL note with
11348         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
11349         to the underlying register.
11350         * doc/rtl.texi (REG_EQUAL): Document the behavior of
11351         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
11352
11353 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
11354
11355         PR target/67896
11356         * config/aarch64/aarch64-builtins.c
11357         (aarch64_init_simd_builtin_types): Do not set structural
11358         equality to __Poly{8,16,64,128}_t types.
11359
11360 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
11361
11362         PR tree-optimization/69400
11363         * wide-int.cc (wi_pack): Take the precision as argument and
11364         perform canonicalization here rather than in the callers.
11365         Use the main loop to handle all full-width HWIs.  Add a
11366         zero HWI if in_len isn't a full result.
11367         (wi::divmod_internal): Update accordingly.
11368         (wi::mul_internal): Likewise.  Simplify.
11369
11370 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11371             Sebastian Pop  <s.pop@samsung.com>
11372
11373         * graphite-poly.c (apply_poly_transforms): Simplify.
11374         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
11375         (print_isl_map): Same.
11376         (print_isl_union_map): Same.
11377         (print_isl_schedule): New.
11378         (debug_isl_schedule): New.
11379         * graphite-dependences.c (scop_get_reads): Do not call
11380         isl_union_map_add_map that is undocumented isl functionality.
11381         (scop_get_must_writes): Same.
11382         (scop_get_may_writes): Same.
11383         (scop_get_original_schedule): Remove.
11384         (scop_get_dependences): Do not call isl_union_map_compute_flow that
11385         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
11386         (compute_deps): Remove.
11387         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
11388         (debug_schedule_ast): New.
11389         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
11390         set_separate_option.
11391         (graphite_regenerate_ast_isl): Add dump.
11392         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
11393         from scop->transformed_schedule.
11394         (graphite_regenerate_ast_isl): Add more dump.
11395         * graphite-optimize-isl.c (optimize_isl): Set
11396         scop->transformed_schedule.  Check whether schedules are equal.
11397         (apply_poly_transforms): Move here.
11398         * graphite-poly.c (apply_poly_transforms): ... from here.
11399         (free_poly_bb): Static.
11400         (free_scop): Static.
11401         (pbb_number_of_iterations_at_time): Remove.
11402         (print_isl_ast): New.
11403         (debug_isl_ast): New.
11404         (debug_scop_pbb): New.
11405         * graphite-scop-detection.c (print_edge): Move.
11406         (print_sese): Move.
11407         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
11408         (build_scop_scattering): Remove.
11409         (create_pw_aff_from_tree): Assert instead of bailing out.
11410         (add_condition_to_pbb): Remove unused code, do not fail.
11411         (add_conditions_to_domain): Same.
11412         (add_conditions_to_constraints): Remove.
11413         (build_scop_context): New.
11414         (add_iter_domain_dimension): New.
11415         (build_iteration_domains): Initialize pbb->iterators.
11416         Call add_conditions_to_domain.
11417         (nested_in): New.
11418         (loop_at): New.
11419         (index_outermost_in_loop): New.
11420         (index_pbb_in_loop): New.
11421         (outermost_pbb_in): New.
11422         (add_in_sequence): New.
11423         (add_outer_projection): New.
11424         (outer_projection_mupa): New.
11425         (add_loop_schedule): New.
11426         (build_schedule_pbb): New.
11427         (build_schedule_loop): New.
11428         (embed_in_surrounding_loops): New.
11429         (build_schedule_loop_nest): New.
11430         (build_original_schedule): New.
11431         (build_poly_scop): Call build_original_schedule.
11432         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
11433         (free_poly_dr): Remove.
11434         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
11435         (free_poly_bb): Remove.
11436         (debug_loop_vec): Remove.
11437         (print_isl_ast): Declare.
11438         (debug_isl_ast): Declare.
11439         (scop_do_interchange): Remove.
11440         (scop_do_strip_mine): Remove.
11441         (scop_do_block): Remove.
11442         (flatten_all_loops): Remove.
11443         (optimize_isl): Remove.
11444         (pbb_number_of_iterations_at_time): Remove.
11445         (debug_scop_pbb): Declare.
11446         (print_schedule_ast): Declare.
11447         (debug_schedule_ast): Declare.
11448         (struct scop): Remove schedule.  Add original_schedule,
11449         transformed_schedule.
11450         (free_gimple_poly_bb): Remove.
11451         (print_generated_program): Remove.
11452         (debug_generated_program): Remove.
11453         (unify_scattering_dimensions): Remove.
11454         * sese.c (print_edge): ... here.
11455         (print_sese): ... here.
11456         (debug_edge): ... here.
11457         (debug_sese): ... here.
11458         * sese.h (print_edge): Declare.
11459         (print_sese): Declare.
11460         (dump_edge): Declare.
11461         (dump_sese): Declare.
11462
11463 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11464             Sebastian Pop  <s.pop@samsung.com>
11465
11466         * Makefile.in: Set ISLVER in site.exp.
11467
11468 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
11469
11470         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
11471         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
11472         through DECL_VALUE_EXPR for expansion.
11473
11474 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11475
11476         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
11477         the frame info after reload completed.
11478
11479 2016-01-25  Jeff Law  <law@redhat.com>
11480
11481         PR tree-optimization/69196
11482         PR tree-optimization/68398
11483         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
11484         tree-ssa-threadupdate.c.
11485         (determine_bb_domination_status): Prototype
11486         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
11487         (determine_bb_domination_status): No longer static.
11488         (valid_jump_thread_path): Remove code to detect characteristics
11489         of the jump thread path not associated with correctness.
11490         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
11491         Correct test for thread path length.  Count PHIs for real operands as
11492         statements that need to be copied.  Do not count ASSERT_EXPRs.
11493         Look at all the blocks in the thread path.  Compute and selectively
11494         filter thread paths based on threading through the latch, threading
11495         a multiway branch or crossing a multiway branch.
11496
11497 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11498
11499         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
11500         decl with __attribute__ ((unused)) annotation.
11501
11502 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
11503
11504         PR target/69421
11505         * tree-vect-stmts.c (vectorizable_condition): Check vectype
11506         of operands is compatible with a statement vectype.
11507
11508 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
11509
11510         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
11511         improve wording for mixed storage order support.
11512
11513 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
11514
11515         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
11516         (vcvt_u64_f64): Likewise.
11517         (vcvta_s64_f64): Likewise.
11518         (vcvta_u64_f64): Likewise.
11519         (vcvtm_s64_f64): Likewise.
11520         (vcvtm_u64_f64): Likewise.
11521         (vcvtn_s64_f64): Likewise.
11522         (vcvtn_u64_f64): Likewise.
11523         (vcvtp_s64_f64): Likewise.
11524         (vcvtp_u64_f64): Likewise.
11525
11526 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
11527
11528         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
11529         (arc_init): Check validity mll64 option.
11530         (arc_save_restore): Use double load/store instruction.
11531         (arc_expand_movmem): Likewise.
11532         (arc_split_move): Don't split if we have double load/store
11533         instructions. Returns a boolean.
11534         (arc_process_double_reg_moves): Change function to return boolean
11535         instead of a sequence of instructions.
11536         (arc_dwarf_register_span): New function.
11537         * config/arc/arc-protos.h (arc_split_move): Change prototype.
11538         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
11539         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
11540         (*movdf_insn): Likewise.
11541         * config/arc/arc.opt (mll64): New option.
11542         * config/arc/predicates.md (even_register_operand): New predicate.
11543         * doc/invoke.texi (ARC Options): Add mll64 documentation.
11544
11545 2016-01-25  Richard Biener  <rguenther@suse.de>
11546
11547         PR lto/69393
11548         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
11549         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
11550         DECL_NAMELESS.
11551         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
11552
11553 2016-01-25  Richard Biener  <rguenther@suse.de>
11554
11555         PR tree-optimization/69376
11556         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
11557         flag.
11558         (VN_INFO_ANTI_RANGE_P): New inline.
11559         (VN_INFO_RANGE_TYPE): Likewise.
11560         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
11561         SSA_NAME_ANTI_RANGE_P.
11562         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
11563         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11564         Properly query VN_INFO_RANGE_TYPE.
11565
11566 2016-01-25  Nick Clifton  <nickc@redhat.com>
11567
11568         PR target/66655
11569         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
11570
11571 2016-01-23  Tom de Vries  <tom@codesourcery.com>
11572
11573         PR tree-optimization/69426
11574         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
11575         removed clobber.
11576
11577 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
11578
11579         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
11580         "the the" with "the" in the comments.
11581         * ipa-devirt.c (build_type_inheritance_graph,
11582         update_type_inheritance_graph): Likewise.
11583         * tree.c (build_function_type_list_1): Likewise.
11584         * cfgloopmanip.c (scale_loop_profile): Likewise.
11585         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
11586         * gimple-ssa-split-paths.c
11587         (find_block_to_duplicate_for_splitting_paths): Likewise.
11588         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
11589         * expr.c (convert_move): Likewise.
11590         * var-tracking.c (vt_stack_adjustments): Likewise.
11591         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11592         * tree-vrp.c (test_for_singularity): Likewise.
11593
11594         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
11595         directly instead of building a temporary tree.
11596
11597         PR bootstrap/69434
11598         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
11599         remove <algorithm> include.
11600
11601 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11602
11603         PR target/69432
11604         * config/i386/i386.c: Include dojump.h.
11605         (expand_small_movmem_or_setmem,
11606         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
11607         fixes.
11608         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
11609         if dynamic_check != -1.
11610
11611 2016-01-21  Jeff Law  <law@redhat.com>
11612
11613         PR middle-end/69347
11614         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
11615         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
11616         into dominated_by_p.
11617         (cprop_into_successor_phis): Avoid unnecessary tests.
11618
11619 2016-01-22  Richard Henderson  <rth@redhat.com>
11620
11621         PR target/69416
11622         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
11623         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
11624
11625 2016-01-22  Michael Matz  <matz@suse.de>
11626
11627         * system.h (string, algorithm): Include only conditionally.
11628         (new): Include always under C++.
11629         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
11630         * final.c (toplevel): Ditto.
11631         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
11632         * genconditions.c (write_header): Make gencondmd.c define
11633         INCLUDE_STRING.
11634         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
11635
11636         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
11637         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
11638
11639 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11640
11641         PR target/68674
11642         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
11643
11644 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11645
11646         PR target/69403
11647         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
11648         define_insn_and_split.  Ensure operands[1] and operands[0] do not
11649         get assigned the same register.
11650
11651 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
11652
11653         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
11654
11655 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11656
11657         * config/arm/arm-c.c (arm_pragma_target_parse):
11658         Remove warn_builtin_macro_redefined overwrite.
11659
11660 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11661
11662         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
11663         flag_non_call_exceptions compatibility.
11664
11665 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11666
11667         PR debug/66668
11668         * dwarf2out.c (add_child_die_after): New function.
11669         (dwarf_qual_info_t): New type.
11670         (dwarf_qual_info): New variable.
11671         (qualified_die_p): New function.
11672         (modified_type_die): For -fdebug-types-section, ensure
11673         canonical order of qualifiers.  Put qualified DIEs adjacent
11674         to the corresponding non-qualified type DIE and search there
11675         for existing qualified DIEs.
11676
11677 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11678
11679         * doc/extend.texi (scalar_storage_order type attribute): Document
11680         restriction on type punning and aliasing, and remove future tense.
11681
11682 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
11683
11684         PR target/69252
11685         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
11686         first stage.
11687
11688 2016-01-21  Jeff Law  <law@redhat.com>
11689
11690         PR middle-end/69347
11691         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
11692         useless call to record_temporary_equivalences.
11693         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
11694         allocate 10 slots in the bb_path vector and let it grow as needed.
11695         (fsm_find_control_statement_thread_paths): Similarly for the next_path
11696         vector.
11697
11698 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11699
11700         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
11701         Detangle.
11702         * configure: Regenerate.
11703
11704 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
11705
11706         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
11707         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
11708
11709 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11710
11711         PR middle-end/66178
11712         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
11713         drop EXPAND_INITIALIZER.
11714         * rtl.h (contains_symbolic_reference_p): Declare.
11715         * rtlanal.c (contains_symbolic_reference_p): New function.
11716         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
11717         a subtraction into a NOT if symbolic constants are involved.
11718
11719 2016-01-21  Anton Blanchard  <anton@samba.org>
11720             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11721
11722         PR target/63354
11723         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
11724         #define.
11725         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
11726         function.
11727
11728 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11729
11730         * config/microblaze/microblaze.c
11731         (get_branch_target): New.
11732         (insert_wic_for_ilb_runout): New.
11733         (insert_wic): New.
11734         (microblaze_machine_dependent_reorg): New.
11735         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
11736         * config/microblaze/microblaze.md
11737         (UNSPEC_IPREFETCH): Define.
11738         (iprefetch): New pattern
11739         * config/microblaze/microblaze.opt
11740         (mxl-prefetch): New flag.
11741
11742 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11743
11744         * config/microblaze/microblaze.h
11745         (FIXED_REGISTERS): Update in macro.
11746         (CALL_USED_REGISTERS): Update in macro.
11747
11748 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
11749
11750         PR rtl-optimization/68920
11751         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
11752         moves.
11753
11754 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11755
11756         PR rtl-optimization/68990
11757         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
11758         pseudo instead of inheritance ones.
11759
11760 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11761             Nick Clifton  <nickc@redhat.com>
11762
11763         PR target/69129
11764         PR target/69012
11765         * config/mips/mips.c (mips_compute_frame_info): Initialise
11766         args_size and hard_frame_pointer_offset fields of the frame
11767         structure before calling mips_global_pointer.
11768
11769 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11770
11771         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
11772         label reference.
11773         * configure: Regenerate.
11774
11775 2016-01-21  Richard Biener  <rguenther@suse.de>
11776
11777         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
11778
11779 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11780
11781         * config/s390/s390.c (s390_asm_declare_function_size): Add code
11782         to actually emit the .size directive.
11783
11784 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
11785              Jakub Jelinek  <jakub@redhat.com>
11786
11787         PR target/69187
11788         PR target/65624
11789         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
11790         args array size by one to avoid buffer overflow.
11791
11792 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11793
11794         * config/s390/s390.md (pool_section_start): Use switch_to_section
11795         to select proper read-only data section instead of hardcoding
11796         .rodata.
11797         (pool_section_end): Use switch_to_section to match the above.
11798
11799 2016-01-21  Richard Biener  <rguenther@suse.de>
11800
11801         PR tree-optimization/69378
11802         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
11803         (set_ssa_val_to): Use it for dominance checks taking into
11804         account not executable edges.
11805
11806 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11807
11808         PR c++/69355
11809         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
11810         for bitsize instead of GET_MODE_PRECISION (mode).
11811
11812 2016-01-20  Martin Sebor  <msebor@redhat.com>
11813
11814         PR c/52291
11815         * extend.texi (__sync Builtins): Clarify the semantics of
11816         __sync_fetch_and_OP built-ins on pointers.
11817         (__atomic Builtins): Same.
11818
11819 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11820             Sebastian Pop  <s.pop@samsung.com>
11821
11822         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
11823         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
11824         (is_valid_rename): Same.
11825         (translate_isl_ast_to_gimple::get_rename): Same.
11826         (translate_isl_ast_to_gimple::rename_all_uses): Same.
11827         (translate_isl_ast_to_gimple::rename_uses): Same.
11828         (get_new_name): Check for close_phi nodes.
11829         (copy_loop_phi_args): Use phi_node_kind.
11830         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
11831         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
11832
11833 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11834             Sebastian Pop  <s.pop@samsung.com>
11835
11836         Revert commit r229783.
11837         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
11838         Remove use of parameter_rename_map.
11839         (copy_def): Remove.
11840         (copy_internal_parameters): Remove.
11841         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
11842         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
11843         (free_sese_info): Do not free parameter_rename_map.
11844         (set_rename): Do not use parameter_rename_map.
11845         (rename_uses): Update call to set_rename.
11846         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
11847         * sese.h (parameter_rename_map_t): Remove.
11848         (struct sese_info_t): Remove field parameter_rename_map.
11849
11850 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11851             Sebastian Pop  <s.pop@samsung.com>
11852
11853         * graphite-isl-ast-to-gimple.c: Fix comment.
11854         * graphite-scop-detection.c (defined_in_loop_p): New.
11855         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
11856         names defined in loop.
11857
11858 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11859             Sebastian Pop  <s.pop@samsung.com>
11860
11861         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11862         Discard unstructured if-then-else regions.
11863
11864 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11865             Sebastian Pop  <s.pop@samsung.com>
11866
11867         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
11868         (cleanup_loop_iter_dom): Remove.
11869         (build_loop_iteration_domains): Remove.
11870         (build_scop_context): Remove.
11871         (build_scop_iteration_domain): Remove.
11872         (add_loop_constraints): New.
11873         (build_iteration_domains): New.
11874         (build_poly_scop): Call build_iteration_domains.
11875
11876 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11877             Sebastian Pop  <s.pop@samsung.com>
11878
11879         * graphite-scop-detection.c
11880         (scop_detection::harmful_loop_in_region): Free dom and loops.
11881         (scop_detection::loop_body_is_valid_scop): Free bbs.
11882
11883 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11884             Sebastian Pop  <s.pop@samsung.com>
11885
11886         * graphite-scop-detection.c (record_loop_in_sese): New.
11887         (gather_bbs::before_dom_children): Call record_loop_in_sese.
11888         (build_scops): Remove call to build_sese_loop_nests.
11889         * sese.c (sese_record_loop): Remove.
11890         (build_sese_loop_nests): Remove.
11891         (new_sese_info): Remove region->loops.
11892         (free_sese_info): Same.
11893         * sese.h (sese_contains_loop): Same.
11894         (build_sese_loop_nests): Remove.
11895         (sese_contains_loop): Remove.
11896
11897 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11898             Sebastian Pop  <s.pop@samsung.com>
11899
11900         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
11901         loop_is_valid_in_scop.
11902         (scop_detection::harmful_stmt_in_region): Renamed
11903         harmful_loop_in_region.
11904         Call loop_is_valid_in_scop.
11905
11906 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11907             Sebastian Pop  <s.pop@samsung.com>
11908
11909         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
11910         isl_ast_node_mark.
11911
11912 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11913             Sebastian Pop  <s.pop@samsung.com>
11914
11915         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
11916         * graphite.h (struct poly_bb): Remove field is_reduction.
11917         (PBB_IS_REDUCTION): Remove.
11918
11919 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11920             Sebastian Pop  <s.pop@samsung.com>
11921
11922         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
11923         (add_pdr_constraints): Same.
11924         (scop_get_reads): Same.
11925         (scop_get_must_writes): Same.
11926         (scop_get_may_writes): Same.
11927         (scop_get_original_schedule): Same.
11928         (extend_schedule): Same.
11929         (apply_schedule_on_deps): Same.
11930         (carries_deps): Same.
11931         (compute_deps): Same.
11932         (scop_get_dependences): Same.
11933         * graphite-isl-ast-to-gimple.c
11934         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
11935         * graphite-optimize-isl.c (get_schedule_for_band): Same.
11936         (get_schedule_for_band_list): Same.
11937         (get_schedule_map): Same.
11938         (apply_schedule_map_to_scop): Same.
11939         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
11940         (build_loop_iteration_domains): Same.
11941         (add_condition_to_pbb): Same.
11942         (add_param_constraints): Same.
11943         (pdr_add_memory_accesses): Same.
11944         (pdr_add_data_dimensions): Same.
11945
11946 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11947
11948         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
11949         requirements.
11950
11951 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11952
11953         * common.opt (feliminate-dwarf2-dups): Replace references to
11954         "DWARF 2" with just "DWARF".
11955         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
11956         * doc/extend.texi: Likewise.
11957         * doc/cpp.texi: Likewise.
11958         * doc/invoke.texi: Likewise.
11959         (Option Summary): Add -gdwarf to list of Debugging Options.
11960         (Debugging Options): Document -gdwarf.
11961         * doc/contrib.texi: Spell "DWARF" like that.
11962
11963 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11964
11965         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
11966         warning.  Fix up formatting.
11967
11968         PR middle-end/67653
11969         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
11970         attempt to mark memory input operand addressable and
11971         call prepare_gimple_addressable in that case.  Don't adjust
11972         input_location for diagnostics, use error_at instead.
11973
11974 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
11975
11976         * config/rs6000/ppc-auxv.h: New file.
11977         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
11978         (cpu_is): Likewise.
11979         (cpu_supports): Likewise.
11980         * config/rs6000/rs6000.c: include "ppc-auxv.h".
11981         (cpu_is_info): New variable.
11982         (cpu_supports_info): Likewise.
11983         (tcb_verification_symbol): Likewise.
11984         (cpu_builtin_p): Likewise.
11985         (cpu_expand_builtin): New function.
11986         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
11987         (rs6000_init_builtins): Likewise.
11988         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
11989         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
11990         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
11991         * configure: Regenerate.
11992         * config.in: Likewise.
11993         * doc/extend.texi (PowerPC Built-in Functions): Document
11994         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
11995
11996 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
11997
11998         PR target/68609
11999         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
12000         domain check.
12001         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
12002         for V4SFmode.
12003
12004 2016-01-20  Richard Henderson  <rth@redhat.com>
12005
12006         PR bootstrap/69343
12007         PR bootstrap/69339
12008         PR tree-opt/68964
12009         Revert:
12010         * tree.c (tm_define_builtin): New.
12011         (find_tm_vector_type): New.
12012         (build_tm_vector_builtins): New.
12013         (build_common_builtin_nodes): Call it.
12014
12015 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
12016
12017         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
12018         (arm_fp_ok): Likewise.
12019         (arm_fp): Likewise.
12020         (arm_crypto): Likewise.
12021
12022 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
12023             Richard Biener  <rguenther@suse.de>
12024
12025         PR tree-optimization/69328
12026         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
12027         vectors have same number of elements.
12028         (vectorizable_condition): Fix masked version recognition.
12029
12030 2016-01-20  Richard Biener  <rguenther@suse.de>
12031
12032         PR tree-optimization/69345
12033         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
12034         (VN_INFO_PTR_INFO): Likewise.
12035         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
12036         info when it is equal between non-dominating SSA names.
12037         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
12038         Make sure to look at original SSA infos.
12039
12040 2016-01-20  Jeff Law  <law@redhat.com>
12041
12042         PR target/25114
12043         * config/m68k/predicates.md (pow2_m1_operand): New predicate
12044         extracted from ...
12045         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
12046         (pc_or_label_operand): New predicate.
12047         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
12048         tests for small integers that are 2^n - 1.
12049
12050 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
12051
12052         * doc/invoke.texi (Options Summary): Add '.' after @xref.
12053
12054 2016-01-19  Jeff Law  <law@redhat.com>
12055
12056         PR middle-end/69347
12057         * tree-ssa-threadbackwards.c
12058         (fsm_find_control_statement_thread_paths): Do not try to lookup
12059         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
12060
12061 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
12062
12063         * doc/lto.texi: Remove text that says only Gold has linker plugin
12064         support.
12065
12066 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
12067
12068         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
12069         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
12070         the DIE accordingly.
12071         (modified_type_die): Add REVERSE parameter and pass it recursively,
12072         as well as to base_type_die.  Adjust presence check accordingly.
12073         (base_type_for_mode): Adjust call to modified_type_die.
12074         (add_type_attribute): Add REVERSE parameter and pass it to
12075         modified_type_die.
12076         (generic_parameter_die): Adjust call to add_type_attribute.
12077         (add_scalar_info): Likewise.
12078         (add_subscript_info): Likewise.
12079         (gen_array_type_die): Likewise.
12080         (gen_descr_array_type_die): Likewise.
12081         (gen_entry_point_die): Likewise.
12082         (gen_enumeration_type_die): Likewise.
12083         (gen_formal_parameter_die): Likewise.
12084         (gen_subprogram_die): Likewise.
12085         (gen_variable_die ): Likewise.
12086         (gen_const_die): Likewise.
12087         (gen_field_die): Likewise.
12088         (gen_pointer_type_die): Likewise.
12089         (gen_reference_type_die): Likewise.
12090         (gen_ptr_to_mbr_type_die): Likewise.
12091         (gen_inheritance_die): Likewise.
12092         (gen_subroutine_type_die): Likewise.
12093         (gen_typedef_die): Likewise.
12094         (force_type_die): Adjust call to modified_type_die.
12095
12096 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12097
12098         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
12099         flow throughout the file.  Fix broken link to Objective-C 2.0
12100         documentation.
12101         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
12102         errors.
12103
12104 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12105
12106         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
12107
12108 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12109
12110         PR ipa/66223
12111         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
12112         (maybe_record_node): Record cxa_pure_virtual as the only possible
12113         target if there are not ohter candidates.
12114         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
12115
12116 2016-01-19  Richard Biener  <rguenther@suse.de>
12117
12118         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
12119         (get_memory_order): Likewise.
12120
12121 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
12122
12123         * tree-vect-stmts.c (vectorizable_store): Check
12124         rhs vectype.
12125
12126 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
12127
12128         PR jit/68446
12129         * gcc.c (driver::decode_argv): Add call to
12130         init_opts_obstack before init_options_struct.
12131         * opts.c (init_opts_obstack): Remove idempotency.
12132         (init_options_struct): Replace call to init_opts_obstack
12133         with a gcc_assert to verify that it has already been called.
12134         * toplev.c (toplev::main): Add call to init_opts_obstack before
12135         calls to init_options_struct.
12136         (toplev::finalize): Move cleanup of opts_obstack next to
12137         cleanup of save_decoded_options, clearing the latter, and
12138         save_decoded_options_count.
12139
12140 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12141
12142         PR target/69135
12143         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
12144         attribute to unconditional.  Remove %? from output template.
12145
12146 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12147             Jiong Wang  <jiong.wang@arm.com>
12148
12149         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
12150         generated from different expand order.
12151
12152 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12153
12154         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
12155         Add support for CCMP costing.
12156
12157 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12158
12159         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
12160         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
12161         (fccmpe<mode>): Likewise.
12162         (fcmp): Rename to fcmp and globalize pattern.
12163         (fcmpe): Likewise.
12164         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
12165         (aarch64_gen_ccmp_next): Add FP support.
12166
12167 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12168
12169         * target.def (gen_ccmp_first): Update documentation.
12170         (gen_ccmp_next): Likewise.
12171         * doc/tm.texi (gen_ccmp_first): Update documentation.
12172         (gen_ccmp_next): Likewise.
12173         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
12174         expand_ccmp_expr_1.  Improve comments.
12175         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
12176         (ccmp_ior<mode>): Remove pattern.
12177         (cmp<mode>): Remove expand.
12178         (cmp): Globalize pattern.
12179         (cstorecc4): Use cc_register.
12180         (mov<mode>cc): Remove ccmp_cc_register check.
12181         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
12182         Simplify after removal of CC_DNE/* modes.
12183         (aarch64_ccmp_mode_to_code): Remove.
12184         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
12185         In 'k' case use integer as condition.
12186         (aarch64_nzcv_codes): Remove inverted cases.
12187         (aarch64_code_to_ccmode): Remove.
12188         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
12189         comparison with CC register to be used in folowing CCMP/branch/CSEL.
12190         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
12191         pattern.  Return the comparison with CC register.  Invert conditions
12192         when bitcode is OR.
12193         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
12194         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
12195
12196 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12197
12198         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12199         instrumented_version.
12200
12201 2016-01-19  Richard Biener  <rguenther@suse.de>
12202
12203         PR tree-optimization/69336
12204         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
12205         handled components with get_ref_base_and_extent.
12206         (equal_mem_array_ref_p): Adjust.
12207
12208 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12209
12210         PR debug/65779
12211         * shrink-wrap.c: Include valtrack.h.
12212         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
12213         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
12214         in between insn and where it will be moved to.  Call
12215         dead_debug_insert_temp.
12216         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
12217         first and dead_debug_local_finish at the end.
12218         For uses and defs bitmap, handle all regs in between REGNO and
12219         END_REGNO, not just the first one.
12220
12221 2016-01-19  Richard Biener  <rguenther@suse.de>
12222
12223         PR tree-optimization/69352
12224         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
12225         (equal_mem_array_ref_p): Constrain size and max size properly.
12226         Compare the reverse flag.
12227
12228 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
12229
12230         * ira.c (ira): Update regstat data if we deleted insns.
12231
12232 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12233
12234         PR rtl-optimization/68955
12235         PR rtl-optimization/64557
12236         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
12237         here.  Fix up formatting.
12238         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
12239
12240 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12241
12242         PR lto/69133
12243         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
12244         assume that the node has body.
12245         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
12246         check.
12247
12248 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12249
12250         * lto-streamer-out.c (lto_output): Do not stream instrumentation
12251         thunks.
12252
12253 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12254
12255         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
12256         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
12257
12258 2016-01-19  Martin Jambor  <mjambor@suse.cz>
12259             Martin Liska  <mliska@suse.cz>
12260             Michael Matz  <matz@suse.de>
12261
12262         * Makefile.in (OBJS): Add new source files.
12263         (GTFILES): Add hsa.c.
12264         * common.opt (disable_hsa): New variable.
12265         (-Whsa): New warning.
12266         * config.in (ENABLE_HSA): New.
12267         * configure.ac: Treat hsa differently from other accelerators.
12268         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
12269         $enable_offloading.
12270         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
12271         * doc/install.texi (Configuration): Document --with-hsa-runtime,
12272         --with-hsa-runtime-include, --with-hsa-runtime-lib and
12273         --with-hsa-kmt-lib.
12274         * doc/invoke.texi (-Whsa): Document.
12275         (hsa-gen-debug-stores): Likewise.
12276         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
12277         to invoke offload compiler for hsa acclerator.
12278         * opts.c (common_handle_option): Determine whether HSA offloading
12279         should be performed.
12280         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
12281         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
12282         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
12283         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
12284         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
12285         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
12286         GF_OMP_FOR_KIND_GRID_LOOP.
12287         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
12288         (pp_gimple_stmt_1): Likewise.
12289         * gimple-walk.c (walk_gimple_stmt): Likewise.
12290         * gimple.c (gimple_build_omp_grid_body): New function.
12291         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
12292         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
12293         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
12294         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
12295         GF_OMP_TEAMS_GRID_PHONY.
12296         (gimple_statement_omp_single_layout): Updated comments.
12297         (gimple_build_omp_grid_body): New function.
12298         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
12299         (gimple_omp_for_grid_phony): New function.
12300         (gimple_omp_for_set_grid_phony): Likewise.
12301         (gimple_omp_parallel_grid_phony): Likewise.
12302         (gimple_omp_parallel_set_grid_phony): Likewise.
12303         (gimple_omp_teams_grid_phony): Likewise.
12304         (gimple_omp_teams_set_grid_phony): Likewise.
12305         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
12306         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
12307         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
12308         (BUILT_IN_GOMP_TARGET): Updated type.
12309         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
12310         (adjust_for_condition): New function.
12311         (get_omp_for_step_from_incr): Likewise.
12312         (extract_omp_for_data): Moved parts to adjust_for_condition and
12313         get_omp_for_step_from_incr.
12314         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
12315         (fixup_child_record_type): Bail out if receiver_decl is NULL.
12316         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
12317         (scan_omp_parallel): Do not create child functions for phony
12318         constructs.
12319         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
12320         (scan_omp_1_op): Checking assert we are not remapping to
12321         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
12322         (parallel_needs_hsa_kernel_p): New function.
12323         (expand_parallel_call): Register apprpriate parallel child
12324         functions as HSA kernels.
12325         (grid_launch_attributes_trees): New type.
12326         (grid_attr_trees): New variable.
12327         (grid_create_kernel_launch_attr_types): New function.
12328         (grid_insert_store_range_dim): Likewise.
12329         (grid_get_kernel_launch_attributes): Likewise.
12330         (get_target_argument_identifier_1): Likewise.
12331         (get_target_argument_identifier): Likewise.
12332         (get_target_argument_value): Likewise.
12333         (push_target_argument_according_to_value): Likewise.
12334         (get_target_arguments): Likewise.
12335         (expand_omp_target): Call get_target_arguments instead of looking
12336         up for teams and thread limit.
12337         (grid_expand_omp_for_loop): New function.
12338         (grid_arg_decl_map): New type.
12339         (grid_remap_kernel_arg_accesses): New function.
12340         (grid_expand_target_kernel_body): New function.
12341         (expand_omp): Call it.
12342         (lower_omp_for): Do not emit phony constructs.
12343         (lower_omp_taskreg): Do not emit phony constructs but create for them
12344         a temporary variable receiver_decl.
12345         (lower_omp_taskreg): Do not emit phony constructs.
12346         (lower_omp_teams): Likewise.
12347         (lower_omp_grid_body): New function.
12348         (lower_omp_1): Call it.
12349         (grid_reg_assignment_to_local_var_p): New function.
12350         (grid_seq_only_contains_local_assignments): Likewise.
12351         (grid_find_single_omp_among_assignments_1): Likewise.
12352         (grid_find_single_omp_among_assignments): Likewise.
12353         (grid_find_ungridifiable_statement): Likewise.
12354         (grid_target_follows_gridifiable_pattern): Likewise.
12355         (grid_remap_prebody_decls): Likewise.
12356         (grid_copy_leading_local_assignments): Likewise.
12357         (grid_process_kernel_body_copy): Likewise.
12358         (grid_attempt_target_gridification): Likewise.
12359         (grid_gridify_all_targets_stmt): Likewise.
12360         (grid_gridify_all_targets): Likewise.
12361         (execute_lower_omp): Call grid_gridify_all_targets.
12362         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
12363         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
12364         (tree_omp_clause): Added union field dimension.
12365         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
12366         * tree.c (omp_clause_num_ops): Added number of arguments of
12367         OMP_CLAUSE__GRIDDIM_.
12368         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
12369         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
12370         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
12371         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
12372         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
12373         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
12374         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
12375         * tree-pass.h (make_pass_gen_hsail): Declare.
12376         (make_pass_ipa_hsa): Likewise.
12377         * ipa-hsa.c: New file.
12378         * lto-section-in.c (lto_section_name): Add hsa section name.
12379         * lto-streamer.h (lto_section_type): Add hsa section.
12380         * timevar.def (TV_IPA_HSA): New.
12381         * hsa-brig-format.h: New file.
12382         * hsa-brig.c: New file.
12383         * hsa-dump.c: Likewise.
12384         * hsa-gen.c: Likewise.
12385         * hsa.c: Likewise.
12386         * hsa.h: Likewise.
12387         * toplev.c (compile_file): Call hsa_output_brig.
12388         * hsa-regalloc.c: New file.
12389
12390 2016-01-18  Jeff Law  <law@redhat.com>
12391
12392         PR tree-optimization/69320
12393         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
12394         ranged object, do nothing if the RHS constant is not [0..1].
12395         (optimize_stmt): Comparing a boolean ranged object against a
12396         constant outside [0..1] results in a compile-time constant.
12397
12398         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
12399         test.
12400
12401 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
12402
12403         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12404         (Option Summary): Update to reflect new section and moved options.
12405         (C++ Dialect Options): Move -fstats to new section.
12406         (Debugging Options): Move all dump, statistics, and other GCC
12407         developer options to new section.  Rewrite section introduction
12408         and re-order remaining options to put the more basic ones first.
12409         (Optimization Options): Move -fira-verbose and -flto-report* to
12410         new section.
12411         (Developer Options): New section incorporating moved options.
12412         * doc/cppopts.texi (-dM): Update cross-reference.
12413
12414 2016-01-18  Richard Henderson  <rth@redhat.com>
12415
12416         PR target/69176
12417         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
12418         operands to pseudo only if CSE is expected.  Split long immediate
12419         operands only after reload, and for the stack pointer.
12420         (*add<GPI>3_pluslong): Remove.
12421         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
12422         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
12423         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
12424         (*add<GPI>3 peepholes): New.
12425         (*add<GPI>3 splitters): New.
12426         * config/aarch64/constraints.md (Upl): New.
12427         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
12428
12429 2016-01-18  Richard Biener  <rguenther@suse.de>
12430
12431         PR tree-optimization/69297
12432         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
12433         stmt at most once.
12434         (vect_bb_vectorization_profitable_p): Clear visited flag again.
12435
12436 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
12437
12438         PR middle-end/68542
12439         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
12440         of mixind vector and scalar types.
12441         (fold_relational_const): Add handling of vector
12442         comparison with boolean result.
12443         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
12444         comparison of vector operands with boolean result for EQ/NE only.
12445         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
12446         (verify_gimple_cond): Likewise.
12447         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
12448         valid type of VAL.
12449
12450 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
12451
12452         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
12453         !TARGET_OCTEON.
12454
12455 2016-01-18  Richard Biener  <rguenther@suse.de>
12456
12457         PR middle-end/69308
12458         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
12459
12460 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12461
12462         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
12463
12464 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12465
12466         * omp-low.c (set_oacc_fn_attrib): Make extern.
12467         * omp-low.h (set_oacc_fn_attrib): Declare.
12468         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
12469         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
12470         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
12471         Add and handle function parameter oacc_kernels_p.
12472         (find_reduc_addr, get_omp_data_i_param): New function.
12473         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
12474         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
12475         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
12476         Calculate dominance info.  Skip loops that are not in a kernels region
12477         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
12478         (pass_parallelize_loops::execute): Call parallelize_loops with
12479         oacc_kernels_p argument.
12480         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
12481         New member function.
12482         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
12483         * passes.def: Add argument to pass_parallelize_loops instantation.
12484
12485 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12486
12487         * tree-parloops.c (pass_parallelize_loops::execute): Allow
12488         pass_parallelize_loops to be run outside the loop pipeline.
12489
12490 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12491
12492         * tree-scalar-evolution.c (follow_copies_to_constant): New.
12493         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
12494
12495 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12496
12497         PR target/63679
12498         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
12499         using get_ref_base_and_extent.
12500         (equal_mem_array_ref_p): New.
12501         (hashable_expr_equal_p): Add call to previous.
12502
12503 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12504
12505         PR target/63679
12506         * tree-sra.c (disqualified_constants, constant_decl_p): New.
12507         (sra_initialize): Allocate disqualified_constants.
12508         (sra_deinitialize): Free disqualified_constants.
12509         (disqualify_candidate): Update disqualified_constants when appropriate.
12510         (create_access): Scan for constant-pool entries as we go along.
12511         (scalarizable_type_p): Add check against type_contains_placeholder_p.
12512         (maybe_add_sra_candidate): Allow constant-pool entries.
12513         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
12514         (initialize_constant_pool_replacements): New.
12515         (sra_modify_assign): Avoid mangling assignments created by previous,
12516         and don't generate writes into constant pool.
12517         (sra_modify_function_body): Call initialize_constant_pool_replacements.
12518
12519 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12520
12521         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
12522         andnot instruction.
12523         (scalar_chain::convert_op): Likewise.
12524         * config/i386/i386.md (*andndi3_doubleword): New.
12525
12526 2016-01-18  Richard Biener  <rguenther@suse.de>
12527
12528         PR tree-optimization/69170
12529         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
12530         building a vector from scalar results of a pattern stmt.
12531
12532 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
12533
12534         * haifa-sched.c (autopref_multipass_init): Work around
12535         -Wmaybe-uninitialized warning.
12536
12537 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12538
12539         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
12540         against the constant 0.
12541
12542 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12543
12544         PR tree-optimization/68799
12545         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
12546         look up phi candidates in the statement-candidate map.
12547         (phi_add_costs): Likewise.
12548         (record_phi_increments): Likewise.
12549         (phi_incr_cost): Likewise.
12550         (ncd_with_phi): Likewise.
12551         (all_phi_incrs_profitable): Likewise.
12552
12553 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
12554
12555         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
12556         -Wmaybe-uninitialized warning.
12557
12558 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
12559
12560         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12561         (Option Summary): Update to reflect new section and moved options.
12562         (C++ Dialect Options): Move -fvtable-verify and related options.
12563         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
12564         and profiling-related options.
12565         (Optimization Options): Move profile generation options and
12566         -fstack-protector and related options.
12567         (Instrumentation Options): New section incorporating moved options.
12568         (Code Generation Options): Move -finstrument-functions and
12569         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
12570
12571 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12572
12573         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
12574
12575 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12576
12577         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
12578
12579 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
12580
12581         * hash-table.h (hash_table::empty): Turn into an inline wrapper
12582         that checks whether the table is already empty.  Rename the
12583         original implementation to...
12584         (hash_table::empty_slot): ...this new private function.
12585
12586 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
12587
12588         PR diagnostic/68899
12589         * diagnostic-show-locus.c (layout::print_source_line): Move x
12590         offset of line until after call to
12591         get_line_width_without_trailing_whitespace.
12592
12593 2016-01-15  Jeff Law  <law@redhat.com>
12594
12595         PR tree-optimization/69270
12596         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
12597         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
12598         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
12599         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
12600         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
12601         ssa_name_has_boolean_range and constant_boolean_node.
12602
12603 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
12604
12605         PR rtl-optimization/69030
12606         * lra-spills.c (remove_pseudos): Check nrefs and make the function
12607         returning bool.
12608         (spill_pseudos): Delete debug insn for dead pseudo.
12609         (lra_spill): Initiate spill_hard_reg and slots memory separately.
12610
12611 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
12612
12613         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
12614         New.
12615         (TYPES_UNOPUS): Likewise.
12616         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
12617         builtin type, from UNOP to UNOPUS.
12618         (lbtruncuv4sf): Likewise.
12619         (lbtruncuv2df): Likewise.
12620         (lrounduv2sf): Likewise.
12621         (lrounduv4sf): Likewise.
12622         (lrounduv2df): Likewise.
12623         (lroundusf): Likewise.
12624         (lroundusf): Likewise.
12625         (lceiluv2sf): Likewise.
12626         (lceiluv4sf): Likewise.
12627         (lceiluv2df): Likewise.
12628         (lceilusf): Likewise.
12629         (lceiludf): Likewise.
12630         (lflooruv2sf): Likewise.
12631         (lflooruv4sf): Likewise.
12632         (lflooruv2df): Likewise.
12633         (lfloorusf): Likewise.
12634         (lfloorudf): Likewise.
12635         (lfrintnuv2sf): Likewise.
12636         (lfrintnuv4sf): Likewise.
12637         (lfrintnuv2df): Likewise.
12638         (lfrintnusf): Likewise.
12639         (lfrintnudf): Likewise.
12640         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
12641         conversion.
12642         (vcvtq_u32_f32): Likewise.
12643         (vcvtq_u64_f64): Likewise.
12644         (vcvta_u32_f32): Likewise.
12645         (vcvtaq_u32_f32): Likewise.
12646         (vcvtaq_u64_f64): Likewise.
12647         (vcvtm_u32_f32): Likewise.
12648         (vcvtmq_u32_f32): Likewise.
12649         (vcvtmq_u64_f64): Likewise.
12650         (vcvtn_u32_f32): Likwise.
12651         (vcvtnq_u32_f32): Likewise.
12652         (vcvtnq_u64_f64): Likewise.
12653         (vcvtp_u32_f32): Likewise.
12654         (vcvtpq_u32_f32): Likewise.
12655         (vcvtpq_u64_f64): Likewise.
12656         (vcvtmd_u64_f64): Likewise.
12657         (vcvtms_u32_f32): Likewise.
12658         (vcvtad_u64_f64): Likewise.
12659         (vcvtas_u32_f32): Likewise.
12660         (vcvtnd_u64_f64): Likewise.
12661         (vcvtns_u32_f32): Likewise.
12662         (vcvtpd_u64_f64): Likewise.
12663         (vcvtps_u32_f32): Likewise.
12664
12665 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12666
12667         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
12668         CSEL of zero_extended registers.
12669
12670 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12671
12672         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
12673         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
12674
12675 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12676
12677         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
12678         false when argument string is not found in the attributes table
12679         at all.
12680
12681 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
12682
12683         PR target/68609
12684         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
12685         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
12686         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
12687         precision estimate.
12688
12689 2016-01-15  Richard Biener  <rguenther@suse.de>
12690
12691         PR tree-optimization/66856
12692         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
12693         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
12694         (vect_create_new_slp_node): Increment stmt reference count.
12695         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
12696         an SLP tree before swapping operands.
12697         (vect_build_slp_tree): Likewise.
12698         (destroy_bb_vec_info): Free stmt info after SLP instances.
12699         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
12700         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
12701         (STMT_VINFO_NUM_SLP_USES): New macro.
12702
12703 2016-01-15  Richard Biener  <rguenther@suse.de>
12704
12705         PR debug/69137
12706         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
12707         (add_linkage_name): ... here.
12708         (gen_typedef_die): Use add_linkage_name_raw instead of
12709         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
12710         if necessary.
12711
12712 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
12713
12714         * gimplify.c (oacc_default_clause): Decode reference and pointer
12715         types for both kernels and parallel regions.
12716
12717 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12718
12719         PR middle-end/69246
12720         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
12721
12722 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12723
12724         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
12725         (convert_scalars_to_vector): Likewise.
12726
12727 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
12728
12729         * doc/extend.texi (Type Traits): Fix grammar.
12730
12731 2016-01-15  Martin Jambor  <mjambor@suse.cz>
12732
12733         * tree-inline.c (remap_decl): Use existing dclarations if
12734         remapping a type and prevent_decl_creation_for_types.
12735         (replace_locals_stmt): Do an initial remapping of non-VLA typed
12736         decls first.  Do real remapping with
12737         prevent_decl_creation_for_types set.
12738         * tree-inline.h (copy_body_data): New field
12739         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
12740         padding.
12741
12742 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12743
12744         * config/s390/s390.opt (mmvcle): More verbose help text.
12745
12746 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12747
12748         * config/s390/s390.opt: Add period to -mzvector option text.
12749
12750 2016-01-15  Richard Biener  <rguenther@suse.de>
12751
12752         PR tree-optimization/68961
12753         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
12754         of invariants in stores again.
12755
12756 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
12757
12758         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
12759
12760 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12761
12762         * config/i386/i386.c (ix86_expand_branch): Don't split
12763         DI mode xor instruction to SI mode.
12764
12765 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12766
12767         PR ipa/68148
12768         * ipa-icf.c (sem_function::merge): Virtual functions may become
12769         reachable even if they address is not taken and there are no
12770         idrect calls.
12771
12772 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12773
12774         * lto-streamer-out.c (subtract_estimated_size): New function.
12775         (get_symbol_initial_value): Use it.
12776
12777 2016-01-15  Christian Bruel  <christian.bruel@st.com>
12778
12779         PR target/65837
12780         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
12781         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
12782         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
12783         use add_builtin_function_ext_scope instead of add_builtin_function.
12784         (neon_set_p, neon_crypto_set_p): Remove.
12785         (arm_init_builtins): Always call arm_init_neon_builtins and
12786         arm_init_crypto_builtins.
12787         (arm_expand_builtin): Check that builtins are allowed for the arch.
12788         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
12789         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
12790         arm_init_neon_builtins call.
12791
12792 2016-01-15  Richard Biener  <rguenther@suse.de>
12793
12794         PR tree-optimization/69117
12795         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
12796         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
12797         of the leader conservatively.
12798         (free_scc_vn): Restore original SSA name infos.
12799
12800 2016-01-14  Jeff Law  <law@redhat.com>
12801
12802         PR tree-optimization/69270
12803         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
12804         single bit of precision, verify it's also unsigned.
12805         (record_edge_info): Use constant_boolean_node rather than fold_convert
12806         to convert boolean_true/boolean_false to the right type.
12807
12808 2016-01-14  Richard Henderson  <rth@redhat.com>
12809
12810         PR rtl-opt/69014
12811         * loop-doloop.c (record_reg_sets): New.
12812         (doloop_optimize): Reject the transform if the sequence
12813         clobbers registers live at the end of the loop block.
12814         (doloop_optimize_loops): Enable df_live if needed.
12815
12816 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
12817
12818         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
12819         * config/rs6000/rs6000.c: Likewise.
12820         * config/rs6000/rs6000.h: Likewise.
12821         * config/rs6000/rs6000.md: Likewise.
12822         * doc/extend.texi: Likewsie.
12823
12824 2016-01-14  Jeff Law  <law@redhat.com>
12825
12826         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
12827         typo.
12828
12829 2016-01-14  Richard Henderson  <rth@redhat.com>
12830
12831         PR c/69272
12832         PR tree-opt/68964
12833         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
12834         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
12835         instead of builtin_decl_declared_p to test for declaration.
12836
12837 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
12838
12839         * doc/loop.texi (Loop Analysis and Representation): Document
12840         loop_depth function.
12841
12842 2016-01-14  Tom de Vries  <tom@codesourcery.com>
12843
12844         PR tree-optimization/68773
12845         * omp-low.c (expand_omp_target): Don't set force_output.
12846         * varpool.c (varpool_node::get_create): Same.
12847         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
12848         offload_funcs with force_output.
12849
12850 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12851
12852         PR debug/69244
12853         * lra-eliminations.c (move_plus_up): Don't change anything if either
12854         the outer or inner subreg mode is not MODE_INT.
12855         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
12856         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
12857
12858 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12859
12860         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
12861         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
12862         reduc_uplus_@var{m}): Remove.
12863         * expr.c (expand_expr_real_2): Remove expansion path for
12864         reduc_[us](min|max|plus) optabs.
12865         * optabs-tree.c (scalar_reduc_to_vector): Remove.
12866         * optabs-tree.h (scalar_reduc_to_vector): Remove.
12867         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
12868         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
12869         * tree-vect-loop.c (vectorizable_reduction): Remove test for
12870         reduc_[us](min|max|plus) optabs.
12871
12872 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12873
12874         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
12875         (reduc_plus_scal_v2sf): New.
12876         (reduc_smax_v2sf): Rename to...
12877         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
12878         (reduc_smin_v2sf): Rename to...
12879         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
12880
12881 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
12882
12883         * alias.c (compare_base_symbol_refs): New function.
12884         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
12885         it.
12886
12887 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12888
12889         PR middle-end/68146
12890         PR tree-optimization/69155
12891         * tree-complex.c: Include cfganal.h.
12892         (phis_to_revisit): New variable.
12893         (extract_component): Add phiarg_p argument.  Assert that returned
12894         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
12895         (update_phi_components): Partly rewrite to use loop over real/imag
12896         components instead of code duplication.  If extract_component returns
12897         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12898         create_tmp_reg into the PHI node instead, and mention the phi triplet
12899         in phis_to_revisit.
12900         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
12901         in phis_to_revisit at the end.
12902
12903 2016-01-14  Richard Biener  <rguenther@suse.de>
12904
12905         PR tree-optimization/68060
12906         * tree-vect-loop.c (vect_is_simple_reduction): Check the
12907         outer loop reduction is only used in the inner loop before
12908         detecting a double reduction.
12909
12910 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12911
12912         PR target/68269
12913         * combine.c (expand_field_assignment): Punt if compute_mode is
12914         unsupported scalar mode.
12915
12916 2016-01-14  Richard Biener  <rguenther@suse.de>
12917
12918         PR tree-optimization/66856
12919         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
12920         SLP node only if it built successfully.
12921         (vect_analyze_slp_instance): Adjust.
12922
12923 2016-01-14  Jeff Law  <law@redhat.com>
12924
12925         PR tree-optimization/69270
12926         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
12927         (record_edge_info): Use it.  Convert boolean_{true,false}_node
12928         to the type of op0.
12929
12930 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
12931
12932         PR ipa/66487
12933         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
12934         use block_ultimate_origin
12935         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
12936
12937 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12938
12939         * doc/invoke.texi (Submodel Options): Rename section to
12940         "Machine-Dependent Options" to better reflect its content.
12941         Rewrite introductory text to remove archaic CPU names.
12942         Update references.
12943
12944 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12945
12946         * doc/invoke.texi (Code Gen Options): Move section up in file,
12947         before target-specific options.  Update menu and option summary
12948         to reflect the new section ordering.
12949
12950 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12951
12952         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
12953         (C++ Dialect Options): Add cross-reference to -std option.
12954         * doc/standards.texi (C++ Language): Document C++14 support.
12955
12956 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
12957
12958         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
12959         for pack/unpack functions for __ibm128.
12960         (PACK_IF): Likewise.
12961         (UNPACK_IF): Likewise.
12962
12963         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
12964         support for __ibm128 pack/unpack functions.
12965         (rs6000_invalid_builtin): Likewise.
12966         (rs6000_init_builtins): Likewise.
12967         (rs6000_opt_masks): Likewise.
12968
12969         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
12970         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
12971         functions
12972         (RS6000_BTM_COMMON): Likewise.
12973
12974         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
12975         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
12976         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
12977         128-bit floating point.  Add support for the double values to be
12978         in Altivec registers for TF/IF packing and unpacking, but restrict
12979         TD packing sub-fields to be FPR registers.  Don't allow overlapped
12980         register support for packing.  Allow pack inputs to be memory
12981         locations.  Don't build generator functions for unpack<mode>_dm
12982         and unpack<mode>_nodm.
12983         (unpack<mode>_dm): Likewise.
12984         (unpack<mode>_nodm): Likewise.
12985         (pack<mode>): Likewise.
12986
12987         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
12988         built-in functions to pack/unpack explicit __ibm128 values.
12989         (__builtin_unpack_ibm128): Likewise.
12990
12991         * doc/extend.texi (PowerPC Built-in Functions): Document
12992         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
12993
12994 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
12995
12996         PR c/66208
12997         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
12998         Add new arg loc and pass it down as context.
12999         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
13000         to the location to use for the warning.
13001         (check_function_arguments): New arg loc.  All callers changed.  Pass
13002         it to check_function_nonnull.
13003         * c-common.h (check_function_arguments): Adjust declaration.
13004
13005 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
13006
13007         PR tree-optimization/69156
13008         * gimple.c (validate_type): Removed.
13009         (gimple_builtin_call_types_compatible_p): Use
13010         useless_type_conversion_p instead of validate_type.
13011         * value-prof.c (gimple_stringop_fixed_value): Fold
13012         icall_size to correct type.
13013
13014 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
13015
13016         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
13017         effects.
13018
13019 2016-01-13  Richard Henderson  <rth@redhat.com>
13020
13021         PR tree-opt/68964
13022         * target.def (builtin_tm_load, builtin_tm_store): Remove.
13023         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
13024         (ix86_builtin_tm_store): Remove.
13025         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
13026         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
13027         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
13028         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
13029         * doc/tm.texi: Rebuild.
13030
13031         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
13032         (BUILT_IN_TM_MEMCPY_RTWN): New.
13033         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
13034         fallback from vector to integer helpers.
13035         (build_tm_load): Handle vector types directly, instead of
13036         via target hook.
13037         (build_tm_store): Likewise.
13038         (expand_assign_tm): Prepare for register types not handled by
13039         the above.  Copy them to memory and use memcpy.
13040         * tree.c (tm_define_builtin): New.
13041         (find_tm_vector_type): New.
13042         (build_tm_vector_builtins): New.
13043         (build_common_builtin_nodes): Call it.
13044
13045 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
13046
13047         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
13048         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
13049
13050 2016-01-13  Tom de Vries  <tom@codesourcery.com>
13051
13052         PR tree-optimization/69169
13053         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
13054         handled_struct_type param.
13055         (create_variable_info_for, intra_create_variable_infos): Call
13056         create_variable_info_for_1 with extra arg.
13057
13058 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
13059
13060         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
13061         and "armv8.1-a+crc" entries.
13062
13063 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
13064
13065         PR target/69228
13066         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
13067         Change first operand predicate from register_or_constm1_operand
13068         to register_operand.
13069         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
13070         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
13071         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
13072         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
13073         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
13074         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
13075         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
13076         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
13077         comparison with constm1_rtx from vec_prefetch_gen part.
13078
13079 2016-01-13  Richard Biener  <rguenther@suse.de>
13080
13081         PR tree-optimization/69013
13082         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
13083         Exchange assert for a test.
13084
13085 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13086
13087         PR target/69247
13088         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
13089
13090 2016-01-13  Richard Biener  <rguenther@suse.de>
13091
13092         PR tree-optimization/69242
13093         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
13094         assert with a check.
13095
13096 2016-01-13  Richard Biener  <rguenther@suse.de>
13097
13098         PR tree-optimization/69186
13099         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
13100         Properly guard vect_update_misalignment_for_peel call.
13101
13102 2016-01-12  Jeff Law  <law@redhat.com>
13103
13104         PR tree-optimization/pr67755
13105         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
13106         "need_profile_correction".
13107         (thread_block_1): Initialize new field to false by default.  If we
13108         have multiple thread paths through a common joiner to different
13109         final targets, then set new field to true.
13110         (compute_path_counts): Only do count adjustment when it's really
13111         needed.
13112
13113 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13114
13115         * doc/invoke.texi (Spec Files): Move section down in file, past
13116         all command-line option descriptions.
13117
13118 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13119
13120         PR middle-end/54809
13121         * doc/gty.texi: Remove documentation of mark_hook.
13122         * gengtype.c (struct write_types_data): Remove code to support
13123         mark_hook attribute.
13124         (walk_type): Likewise.
13125         (write_func_for_structure): Likewise.
13126
13127 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13128
13129         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
13130         Directory Options, and -specs= to Overall Options.
13131         (Overall Options): Adjust similarly.  Reorder to group related
13132         options together.  Make -specs= cross-reference the spec file details.
13133         (Directory Options): Adjust similarly.
13134
13135 2016-01-12  Jeff Law  <law@redhat.com>
13136
13137         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
13138
13139 2016-01-12  Olivier Hainque  <hainque@adacore.com>
13140
13141         * gcc.c (spec_undefvar_allowed): New global.
13142         (process_command): Set to true when running for --version or --help,
13143         alone or together.
13144         (getenv_spec_function): When the variable is not defined, use the
13145         variable name as the variable value if we're allowed not to issue
13146         a fatal error.
13147
13148 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
13149
13150         PR tree-optimization/68911
13151         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
13152         information computed for expression "init + nit * step".
13153
13154 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13155
13156         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
13157         about name of GCC executable.  Remove deleted node from menu.
13158         (Directory Options) <-B>: Remove cross-reference to deleted node.
13159         (Target Options): Delete section.
13160
13161 2016-01-12  Christian Bruel  <christian.bruel@st.com>
13162
13163         PR target/69180
13164         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
13165         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
13166
13167 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
13168
13169         PR target/69198
13170         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
13171         aligned_mem is properly set for AVX512-VL floating point masked
13172         stores.
13173
13174         PR target/69175
13175         * ifcvt.c (cond_exec_process_if_block): When removing the last
13176         insn from then_bb, remove also any possible barriers that follow it.
13177
13178 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
13179
13180         PR target/68456
13181         PR target/69226
13182         * config/i386/iamcu.h (SIZE_TYPE): New macro.
13183         (PTRDIFF_TYPE): Likewise.
13184         (WCHAR_TYPE): Likewise.
13185         (WCHAR_TYPE_SIZE): Likewise.
13186         (STDINT_LONG32): Likewise.
13187
13188 2016-01-12  Richard Biener  <rguenther@suse.de>
13189
13190         PR tree-optimization/69053
13191         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
13192         convert initial value for cond reductions.
13193
13194 2016-01-12  Richard Biener  <rguenther@suse.de>
13195
13196         PR tree-optimization/69007
13197         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
13198         widen_sum after dot_prod and sad.
13199
13200 2016-01-12  Richard Biener  <rguenther@suse.de>
13201
13202         PR tree-optimization/69168
13203         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
13204         pattern stmt SLP type.
13205         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
13206         end up unused so cope with that case.
13207
13208 2016-01-12  Richard Biener  <rguenther@suse.de>
13209
13210         PR tree-optimization/69157
13211         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
13212         stmts def type only during analyze phase.
13213         (vectorizable_call): Likewise.
13214         (vectorizable_simd_clone_call): Likewise.
13215         (vectorizable_conversion): Likewise.
13216         (vectorizable_assignment): Likewise.
13217         (vectorizable_shift): Likewise.
13218         (vectorizable_operation): Likewise.
13219         (vectorizable_store): Likewise.
13220         (vectorizable_load): Likewise.
13221
13222 2016-01-12  Richard Biener  <rguenther@suse.de>
13223
13224         PR tree-optimization/69174
13225         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
13226         space.
13227         (vectorizable_load): Properly compute the number of loads needed
13228         for permuted strided SLP loads and do not spuriously assign
13229         to SLP_TREE_VEC_STMTS.
13230
13231 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
13232
13233         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
13234         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
13235         (MD_EXEC_PREFIX): Remove.
13236         (MD_STARTFILE_PREFIX) Removee.
13237         (FILE_NAME_ABSOLUTE_P): Remove.
13238         (CPP_SPEC): Do not read macros from sys/version.h.
13239         (LINK_COMMAND_SPEC): Remove.
13240         (LOCAL_INCLUDE_DIR): Remove.
13241         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
13242         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
13243         (POST_LINK_SPEC): Define to invoke stubify after linker
13244         (LIBSTDCXX): Remove define
13245         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
13246         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
13247         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
13248         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
13249         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
13250         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
13251         (i386_djgpp_asm_named_section): Add propotype of new procedure
13252
13253         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
13254         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
13255         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
13256         in config/i386/djgpp.h).
13257         (STANDARD_STARTFILE_PREFIX_2): Define identical to
13258         STANDARD_STARTFILE_PREFIX_1.
13259         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
13260         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
13261         installation errors.
13262         (MAX_OFILE_ALIGNMENT): Define to 128.
13263         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
13264
13265         * config/i386/djgpp.c: New file. Add implementation of
13266         i386_djgpp_asm_named_section.
13267
13268         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
13269
13270         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
13271         Add rule for building djgpp.o.
13272
13273 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13274
13275         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
13276         (rtx_is_swappable_p): Reductions are swappable.
13277         (insn_is_swappable_p): V2DF reductions are swappable.
13278
13279 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
13280
13281         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
13282         reloads for other unsupported memory operands.
13283
13284 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
13285             Jim Wilson  <jim.wilson@linaro.org>
13286
13287         PR target/69194
13288         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
13289         copy_to_mode_reg instead of force_reg.
13290
13291 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13292
13293         PR target/69225
13294         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
13295         TARGET_80387 is true.
13296
13297 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
13298
13299         PR target/69071
13300         * lra-eliminations.c (move_plus_up): Only move plus up
13301         if subreg of the constant can be simplified into constant
13302         and use the simplified subreg of the constant instead of
13303         the original constant.
13304
13305         * fold-const.c (fold_convertible_p): Don't return true
13306         for conversion of VECTOR_TYPE to same sized integral type.
13307         (fold_convert_loc): Fix up formatting.  Fold conversion of
13308         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
13309         instead of NOP_EXPR.
13310
13311         PR tree-optimization/69214
13312         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
13313         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
13314         Formatting fix.
13315
13316         PR tree-optimization/69207
13317         * tree-vect-slp.c (vect_get_constant_vectors): For
13318         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
13319         fold_convertible_p to vector_type's element type, and always
13320         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
13321
13322 2016-01-11  Richard Biener  <rguenther@suse.de>
13323
13324         PR tree-optimization/69173
13325         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
13326         fixup the cycle if all stmts are in a pattern.
13327
13328 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
13329
13330         PR middle-end/68999
13331         * alias.c (base_alias_check): Move check for addresses with
13332         alignment ANDs before the call for compare_base_decls.
13333         (memrefs_conflict_p): Return -1 for different decls
13334         that went through alignment adjustments.
13335
13336 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13337
13338         PR rtl-optimization/68796
13339         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
13340         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
13341         and QImode comparisons against zero with CC_NZmode.
13342         * config/aarch64/iterators.md (short_mask): New mode_attr.
13343
13344 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13345
13346         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
13347         (<avx512>_store<mode>_mask): Likewise.
13348
13349 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
13350             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13351
13352         PR rtl-optimization/68841
13353         * ifcvt.c (struct noce_if_info): Add orig_x field.
13354         (bbs_ok_for_cmove_arith): Add to_rename parameter.
13355         Don't record conflicts on to_rename if it's present.
13356         Allow memory destinations in sets.
13357         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
13358         blocks, passing orig_x to the checks.
13359         (noce_process_if_block): Set if_info->orig_x appropriately.
13360
13361 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13362
13363         PR tree-optimization/69069
13364         * tree-parloops.c (create_parallel_loop): Add missing phi args.
13365
13366 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
13367
13368         PR rtl-optimization/68920
13369         * config/i386/i386.c (ix86_option_override_internal): Restrict number
13370         of conditional moves for  RTL if-conversion to 1 for
13371         TARGET_ONE_IF_CONV_INSN.
13372         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
13373         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
13374         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
13375         parameter to restirct number of conditional moves for
13376         RTL if-conversion.
13377         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
13378         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
13379         conditionl moves.
13380
13381 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
13382
13383         PR bootstrap/69123
13384         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
13385         onepart vars.  Fix typo in comment.  Fix reversed condition in
13386         unshare test.
13387         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
13388
13389         PR bootstrap/69123
13390         * var-tracking.c (dump_onepart_variable_differences): New.
13391         (dataflow_set_different): If a detailed dump is requested,
13392         delay early returns and dump differences between onepart
13393         variables present before and after, and added variables.
13394
13395 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13396
13397         PR target/69010
13398         * expr.c (expand_expr_real_1): For boolean vector constants
13399         with a scalar mode use const_scalar_mask_from_tree.
13400         (const_scalar_mask_from_tree): New.
13401         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
13402         assigned to a mask type to handle constants.
13403
13404 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13405
13406         PR ipa/69044
13407         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
13408         useless parameters if we cannot change function signature.
13409
13410 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13411
13412         PR ipa/66616
13413         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
13414         flag.
13415
13416 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13417
13418         PR tree-optimization/69109
13419         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
13420         latch with phi.
13421
13422 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13423
13424         PR tree-optimization/69108
13425         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
13426         res is not used in a phi.
13427
13428 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
13429
13430         PR 67425
13431         * common.opt (frandom-seed): Fix parameter name.
13432         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
13433
13434 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13435
13436         PR tree-optimization/69058
13437         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
13438         not supported.
13439
13440 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
13441
13442         * config/arc/arc.opt (mdiv-rem): Add period to the end.
13443         (mcode-density): Likewise.
13444
13445 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13446
13447         PR tree-optimization/69062
13448         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
13449         (parallelize_loops): Don't paralelize loop that has phi with address
13450         arg.
13451
13452 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13453
13454         PR tree-optimization/69039
13455         * tree-parloops.c (try_create_reduction_list): Only allow single exit
13456         phi for reduction.
13457
13458 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
13459
13460         PR middle-end/68743
13461         * match.pd: Require target has function_c99_misc before doing
13462         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
13463
13464 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
13465
13466         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
13467         use GMPINC.
13468         * configure: Regenerate.
13469
13470 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
13471
13472         PR middle-end/50865
13473         PR tree-optimization/69097
13474         * fold-const.h (expr_not_equal_to): New prototype.
13475         * fold-const.c: Include stringpool.h and tree-ssanames.h.
13476         (expr_not_equal_to): New function.
13477         * match.pd (X % -Y is the same as X % Y): Don't optimize
13478         unless X is known not to be equal to minimum or Y is known
13479         not to be equal to -1.
13480         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
13481         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
13482         (simplify_stmt_using_ranges): Adjust caller.
13483         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
13484         substitute_and_fold.
13485
13486 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
13487
13488         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
13489         w/o DECL_NAME.
13490
13491 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13492
13493         PR tree-optimization/69167
13494         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
13495         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
13496         ops[0] comparison.
13497         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
13498
13499 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13500             Richard Biener  <rguenther@suse.de>
13501
13502         PR tree-optimization/68707
13503         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
13504         instances that can be handled via vect_load_lanes.
13505
13506 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
13507
13508         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
13509         if we can't determine address equivalence.
13510         * alias.c (compare_base_decl): Update for changed return value of
13511         symtab_node::equal_address_to.
13512
13513 2016-01-08  Jason Merrill  <jason@redhat.com>
13514
13515         PR c++/68983
13516         PR c++/67557
13517         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
13518         * expr.c (store_field): Not here.
13519         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
13520         call with TREE_ADDRESSABLE type.
13521         * tree-cfg.c (verify_gimple_call): Adjust.
13522
13523 2016-01-08  Olivier Hainque  <hainque@adacore.com>
13524
13525         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
13526         libc_internal.
13527
13528 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13529
13530         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
13531         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
13532         (reduc_smin_v2sf): Rename to...
13533         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
13534         (reduc_splus_v2sf): Rename to...
13535         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
13536
13537 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13538
13539         PR tree-optimization/69162
13540         * gimplify.c (gimplify_va_arg_expr): Encode original type of
13541         valist argument in another argument.
13542         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
13543         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
13544         to determine the va_list type, build a MEM_REF instead of
13545         build_fold_indirect_ref.
13546
13547         PR tree-optimization/69172
13548         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
13549         gimple_build.
13550
13551 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13552
13553         PR tree-optimization/67781
13554         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
13555         and cmpnop in two steps: first the ones not accessed in original
13556         gimple expression in a endian independent way and then the ones not
13557         accessed in the final result in an endian-specific way.
13558
13559 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13560
13561         PR tree-optimization/69083
13562         * tree-vect-slp.c (vect_get_constant_vectors): For
13563         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
13564         element type.  If op is fold_convertible_p to vector_type's element
13565         type, use NOP_EXPR instead of VCE.
13566
13567 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
13568
13569         PR rtl-optimization/67778
13570         PR rtl-optimization/68634
13571         PR rtl-optimization/68909
13572         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
13573         block from the stack until done with it.  Remove a superfluous
13574         bitmap set.  Remove a superfluous bitmap test.
13575
13576 2016-01-07  Martin Sebor  <msebor@redhat.com>
13577
13578         PR c/68966
13579         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
13580         constraint on the type of arguments.
13581
13582 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
13583
13584         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
13585         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
13586         unaligned_access on the gcc_options set.
13587         * config/arm/arm.c (arm_option_override_internal): Use
13588         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
13589
13590 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13591
13592         PR target/69140
13593         * config/i386/i386.c (ix86_frame_pointer_required): Enable
13594         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
13595
13596 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13597
13598         Revert
13599         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13600
13601         PR target/69140
13602         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13603         depending on frame_pointer_needed before remaining integer and SSE
13604         registers are saved.
13605
13606 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13607
13608         PR 1078
13609         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
13610
13611 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13612
13613         PR target/69171
13614         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
13615         Use the "xBm" constraint.
13616         (float<sseintvecmodelower><mode>2<mask_name><round_name):
13617         Likewise.
13618         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
13619         (sse_cvtsi2ssq<round_name>): Likewise.
13620         (sse_cvtss2si<round_name>): Likewise.
13621         (sse_cvtss2siq<round_name>): Likewise.
13622         (sse2_cvtsi2sdq<round_name>): Likewise.
13623         (sse2_cvtsd2si<round_name>): Likewise.
13624         (sse2_cvtsd2siq<round_name>): Likewise.
13625         * config/i386/subst.md (round_nimm_scalar_predicate): New
13626         predicate.
13627
13628 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
13629
13630         PR middle-end/67639
13631         * varasm.c (make_decl_rtl): Mark invalid register vars as
13632         DECL_EXTERNAL.
13633
13634         PR rtl-optimization/66206
13635         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
13636         All callers changed.
13637
13638 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
13639
13640         PR tree-optimization/69141
13641         * tree-ssa-pre.c: Include langhooks.h.
13642         (eliminate_dom_walker::before_dom_children): Use
13643         lang_hooks.decl_printable_name instead of
13644         cgraph_node::get ()->name ().
13645
13646         PR middle-end/68960
13647         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
13648         it and DECL_ALIGN too.
13649
13650 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
13651
13652         * config/mips/mips-ftypes.def: Sort to lexicographical order.
13653
13654 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13655
13656         PR target/69140
13657         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13658         depending on frame_pointer_needed before remaining integer and SSE
13659         registers are saved.
13660
13661 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13662
13663         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
13664         mode iterator with VSX_M2.
13665         (*p9_vecstore_<mode>): Likewise.
13666         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
13667         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
13668         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
13669         (define_split for VSX_LE128 stores): Likewise.
13670         (define_peephole2 for TImode LE swaps): Likewise.
13671         (define_split for VSX_LE128 post-reload stores): Likewise.
13672
13673 2016-01-06  Marek Polacek  <polacek@redhat.com>
13674
13675         PR sanitizer/69099
13676         * convert.c (convert_to_integer_1): Adjust call to
13677         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
13678         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
13679         EXPR instead of ARG.
13680         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
13681
13682 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13683
13684         PR 1078
13685         * doc/extend.texi (RL78 Variable Attributes): New section.
13686
13687 2016-01-05  Marek Polacek  <polacek@redhat.com>
13688
13689         PR c/69104
13690         * builtins.c (get_memmodel): Use expansion point location rather than
13691         the input location.  Call warning_at rather than warning.
13692         (expand_builtin_atomic_compare_exchange): Likewise.
13693         (expand_builtin_atomic_load): Likewise.
13694         (expand_builtin_atomic_store): Likewise.
13695         (expand_builtin_atomic_clear): Likewise.
13696
13697 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13698
13699         PR target/68991
13700         * config/i386/i386.c (ix86_expand_vector_logical_operator):
13701         Replace nonimmediate_operand with vector_operand.
13702         * config/i386/predicates.md (vector_operand): New predicate.
13703         (general_vector_operand): Replace nonimmediate_operand with
13704         vector_operand.
13705         * config/i386/sse.md: Replace nonimmediate_operand with
13706         vector_operand and m constraint with Bm constraint on SSE
13707         patterns with 16-byte memory operand.
13708         * config/i386/subst.md (round_nimm_predicate): Replace
13709         nonimmediate_operand with vector_operand.
13710         (round_saeonly_nimm_predicate): Likewise.
13711         (round_saeonly_nimm_scalar_predicate): New.
13712
13713 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13714
13715         PR target/68991
13716         * config/i386/constraints.md (Bm): New constraint.
13717         * config/i386/predicates.md (vector_memory_operand): New
13718         predicate.
13719         * config/i386/sse.md: Replace xm with xBm in plusminus and
13720         any_logic patterns.
13721
13722 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13723
13724         PR 1078
13725         * doc/extend.texi (V850 Function Attributes): New section.
13726         (V850 Variable Attributes): New section.
13727
13728 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13729
13730         PR 1078
13731         * doc/extend.texi (MicroBlaze Function Attributes): Document
13732         interrupt_handler and fast_interrupt attributes.
13733
13734 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
13735
13736         PR other/60465
13737         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
13738         for local symbolic operands.
13739         * config/ia64/predicates.md (local_symbolic_operand64): New
13740         predicate.
13741
13742 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13743
13744         PR rtl-optimization/68651
13745         * combine.c (combine_simplify_rtx): Canonicalize x + x into
13746         x << 1.
13747
13748 2016-01-05  Nathan Sidwell  <nathan@acm.org>
13749
13750         * alias.c (compare_base_decls): Use symtab_node::get.
13751
13752 2016-01-05  Nick Clifton  <nickc@redhat.com>
13753
13754         PR target/68770
13755         * ira-costs.c (copy_cost): Initialise the t_icode field of the
13756         secondary_reload_info structure.
13757
13758         PR target/66655
13759         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
13760         decls if weak support is available.
13761
13762 2016-01-04  Martin Sebor  <msebor@redhat.com>
13763
13764         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
13765
13766 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13767
13768         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
13769         OPTION_MASK_P9_DFORM.
13770
13771         * config/rs6000/constraints.md (wo constraint): New constraint for
13772         ISA 3.0 (power9).
13773
13774         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
13775         for wo constraint.
13776         (rs6000_init_hard_regno_mode_ok): Likewise.
13777
13778         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
13779         wo constraint.
13780
13781         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
13782         expanders not to have constraints.  Add support for ISA 3.0 xxperm
13783         instruction.  Add support for fusing xxlor with xxperm.
13784         (altivec_vperm_<mode>_internal): Likewise.
13785         (altivec_vperm_v8hiv16qi): Likewise.
13786         (altivec_vperm_<mode>v16q): Likewise.
13787         (altivec_vperm_<mode>_uns): Likewise.
13788         (vperm_v8hiv4si): Likewise.
13789         (vperm_v16qiv8hi): Likewise.
13790
13791         * doc/md.texi (RS/6000 constraints): Document wo constraint.
13792
13793 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
13794
13795         Update copyright years.
13796
13797         * gcc.c (process_command): Update copyright notice dates.
13798         * gcov-dump.c (print_version): Ditto.
13799         * gcov.c (print_version): Ditto.
13800         * gcov-tool.c (print_version): Ditto.
13801         * gengtype.c (create_file): Ditto.
13802         * doc/cpp.texi: Bump @copying's copyright year.
13803         * doc/cppinternals.texi: Ditto.
13804         * doc/gcc.texi: Ditto.
13805         * doc/gccint.texi: Ditto.
13806         * doc/gcov.texi: Ditto.
13807         * doc/install.texi: Ditto.
13808         * doc/invoke.texi: Ditto.
13809
13810 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13811
13812         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
13813         modes larger than TImode as TImode if NEON is not enabled.
13814
13815 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13816
13817         PR target/69100
13818         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
13819         mode for %f0-%f31 only if TARGET_FPU.
13820
13821 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13822
13823         PR target/69072
13824         * config/sparc/sparc.c (scan_record_type): Take into account subfields
13825         to compute the PACKED_P predicate.
13826         (function_arg_record_value): Minor tweaks.
13827
13828 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13829
13830         * doc/install.texi (--with-multilib-list): Describe the meaning of the
13831         option for arm*-*-* targets.
13832
13833 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
13834
13835         * doc/extend.texi (Common Function Attributes): Move docs for
13836         MSP430-specific attributes to....
13837         (MSP430 Function Attributes): ...here.  Delete the redundant
13838         entries and copy-edit the remaining text.
13839         (MSP430 Variable Attributes): Use uniform format for index
13840         entries and add a cross-reference to the corresponding function
13841         attribute docs.
13842
13843 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
13844
13845         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
13846         -finite-math typo.
13847         (x86 Options): Likewise.
13848
13849 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13850
13851         PR 1078
13852
13853         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
13854         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
13855         to corresponding attribute.
13856
13857 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13858
13859         * doc/extend.texi (Common Function Attributes) <noplt>: Move
13860         to correct alphabetization of table.  Copy-edit and correct
13861         markup.
13862         <stack_protect>: Likewise.
13863         <target_clones>: Likewise.
13864         <simd>: Likewise.
13865         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
13866         Correct punctuation.
13867         (Code Gen Options) <-fno-plt>: Copy-edit.
13868
13869 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13870
13871         PR target/68917
13872         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
13873         SI values.  Explicitly convert SI to DI and vice-versa.
13874
13875 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
13876
13877         PR tree-optimization/69070
13878         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
13879         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
13880
13881         PR sanitizer/69055
13882         * ubsan.c (ubsan_instrument_float_cast): Call
13883         initialize_sanitizer_builtins.
13884
13885         PR target/69015
13886         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
13887 \f
13888 Copyright (C) 2016 Free Software Foundation, Inc.
13889
13890 Copying and distribution of this file, with or without modification,
13891 are permitted in any medium without royalty provided the copyright
13892 notice and this notice are preserved.