gcc/ChangeLog

   1 2016-05-31  Marek Polacek  <polacek@redhat.com>
   2
   3         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
   4
   5 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
   6
   7         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
   8         aarch64_fusion_enabled_p to check for fusion capabilities.
   9
  10 2016-05-31  Richard Biener  <rguenther@suse.de>
  11
  12         PR tree-optimization/71352
  13         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
  14         minus one and a negate.
  15
  16 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  17
  18         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
  19         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
  20         Delete prototype.
  21         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
  22         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
  23         Remove use of aarch64_simd_attr_length_move, set length attribute
  24         directly.
  25         (*aarch64_be_movoi): Likewise.
  26         (*aarch64_be_movci): Likewise.
  27         (*aarch64_be_movxi): Likewise.
  28
  29 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
  30
  31         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
  32         It no longer does that.
  33         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
  34
  35 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
  36
  37         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
  38         attribute __unused__.
  39
  40 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
  41
  42         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
  43         * config/arm/arm.c (arm_arch_thumb1): Define.
  44         (arm_option_override): Initialize arm_arch_thumb1.
  45         * config/arm/arm.h (arm_arch_thumb1): Declare.
  46         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
  47         support Thumb-1 ISA.
  48
  49 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
  50
  51         PR target/71346
  52         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
  53         `Yv' for scalar operand.
  54
  55 2016-05-31  Tom de Vries  <tom@codesourcery.com>
  56
  57         PR tree-optimization/69068
  58         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
  59         phis with more than two args.
  60
  61 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
  62
  63         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
  64         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
  65         target.
  66
  67 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
  68
  69         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
  70         tune_64.
  71         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
  72         support on SPARC.
  73         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
  74         cpu_32, cpu_64, tune_32 and tune_64.
  75         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
  76
  77 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
  78
  79         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
  80
  81 2016-05-30  Andi Kleen  <ak@linux.intel.com>
  82
  83         * auto-profile.c (read_profile): Replace asserts with errors
  84         when file does not exist.
  85         * gcov-io.c (gcov_read_words): Dito.
  86
  87 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  88
  89         * tree-cfg.c (print_loop): Print likely upper bounds.
  90
  91 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  92
  93         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
  94         * opts.c (default_options): Enable peel loops at -O3.
  95         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
  96         (try_peel_loop): Do not re-peel already peeled loops;
  97         use likely upper bounds; fix profile updating.
  98         (pass_complete_unroll::execute): Initialize peeled_loops.
  99
 100 2016-05-30  Martin Liska  <mliska@suse.cz>
 101
 102         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
 103         computed costs by frequency of BB they belong to.
 104         (get_scaled_computation_cost_at): New function.
 105
 106 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
 107             Marc Glisse  <marc.glisse@inria.fr>
 108
 109         PR tree-optimization/71289
 110         * match.pd (-1 / B < A, A > -1 / B): New transformations.
 111
 112 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 113
 114         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
 115
 116 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 117
 118         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
 119         for peeled copies; avoid underflow when updating estimates; correctly
 120         scale loop profile.
 121
 122 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 123
 124         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
 125         r236875. Corrected oe3 to oe2 as obvious.
 126
 127 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 128
 129         PR middle-end/71269
 130         PR middle-end/71252
 131         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
 132         that inserted stmt will not dominate stmts that defines its operand.
 133         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
 134         (rewrite_expr_tree_parallel): Likewise.
 135
 136 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
 137
 138         PR middle-end/71252
 139         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
 140         all fields including stmt_to_insert are swapped.
 141
 142 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 143
 144         * predict.h (force_edge_cold): Declare.
 145         * predict.c (force_edge_cold): New function.
 146         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
 147         updating.
 148         (canonicalize_loop_induction_variables): Fix formating.
 149
 150 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
 151
 152         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
 153         (visium_expand_copysign): Use gen_int_mode directly.
 154         (visium_compute_frame_size): Minor tweaks.
 155
 156 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
 157
 158         * tree-vect-loop.c (vect_analyze_loop_2): Use
 159         likely_max_stmt_executions_int.
 160
 161 2016-05-30  Tom de Vries  <tom@codesourcery.com>
 162
 163         PR tree-optimization/69067
 164         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
 165
 166 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
 167
 168         PR target/71245
 169         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
 170         New peepholes to remove unneeded fild/fistp pairs.
 171         (define_peephole2 atomic_loaddi_fpu): Ditto.
 172
 173 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 174
 175         * predict.c (maybe_hot_frequency_p): Avoid division.
 176
 177 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
 178
 179         * doc/install.texi: Use https for shop.fsf.org.
 180
 181 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 182
 183         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
 184         likely_max_stmt_executions_int.
 185
 186 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 187
 188         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
 189         likely_max_stmt_executions_int.
 190
 191 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 192
 193         * profile.c (compute_branch_probabilities): Do not report hitrates
 194         here.
 195         (branch_prob): Report hitrates here.
 196         * predict.c (gimple_predict_edge): Do not assert profile status;
 197         fix formatting issues.
 198
 199 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 200
 201         * predict.c (edge_predicted_by_p): New function.
 202         (predict_paths_for_bb): Do not put multiple predictions of the same type
 203         on one edge.
 204
 205 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 206
 207         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
 208         commit.
 209
 210 2016-05-28  Alan Modra  <amodra@gmail.com>
 211
 212         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
 213
 214 2016-05-28  Alan Modra  <amodra@gmail.com>
 215
 216         PR rtl-optimization/71275
 217         * ira.c (ira): Free dominance info.
 218
 219 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
 220
 221         * doc/sourcebuild.texi: New address for upstream Go repository.
 222
 223 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 224
 225         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
 226         (TARGET_ARM_V7M): Likewise.
 227
 228 2016-05-26  Jeff Law  <law@redhat.com>
 229
 230         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
 231         (thread_across_edge): Remove calls to find_jump_threads_backwards.
 232         * passes.def: Add jump threading passes before DOM/VRP.
 233         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
 234         argument to a basic block from an edge.  Remove tests which are
 235         handled elsewhere.
 236         (pass_data_thread_jumps, class pass_thread_jumps): New.
 237         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
 238         (make_pass_thread_jumps): Likewise.
 239         * tree-pass.h (make_pass_thread_jumps): Declare.
 240
 241 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 242
 243         * config/visium/visium-protos.h (split_double_move): Rename into...
 244         (visium_split_double_move): ...this.
 245         (visium_split_double_add): Declare.
 246         * config/visium/visium.c (split_double_move): Rename into...
 247         (visium_split_double_move): ...this.
 248         (visium_split_double_add): New function.
 249         (visium_expand_copysign): Renumber operands for consistency.
 250         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
 251         (DFmode move splitter): Likewise.
 252         (*addi3_insn): Split by means of visium_split_double_add.
 253         (*adddi3_insn_flags): Delete.
 254         (*plus_plus_sltu<subst_arith>): New insn.
 255         (*subdi3_insn): Split by means of visium_split_double_add.
 256         (subdi3_insn_flags): Delete.
 257         (*minus_minus_sltu<subst_arith>): New insn.
 258         (*negdi2_insn): Split by means of visium_split_double_add.
 259         (*negdi2_insn_flags): Delete.
 260
 261 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
 262
 263         * configure.ac: Treat a --with-headers option without argument
 264         the same as the default (i.e. consult sys-include directory).
 265         * configure: Regenerate.
 266
 267 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 268
 269         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
 270         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
 271         prototype.
 272         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
 273         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
 274
 275 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 276
 277         PR target/63596
 278         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
 279         tree-stdarg analysis results.
 280         (aarch64_setup_incoming_varargs): Likewise.
 281
 282 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 283
 284         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
 285         va_list_gpr_counter_field and va_list_fpr_counter_field.
 286
 287 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
 288
 289         PR67609
 290         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
 291         * config/aarch64/aarch64.c
 292         (aarch64_cannot_change_mode_class): Remove function.
 293         * config/aarch64/aarch64-protos.h
 294         (aarch64_cannot_change_mode_class): Remove.
 295
 296 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 297
 298         * cfgloop.c (record_niter_bound): Record likely upper bounds.
 299         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
 300         get_likely_max_loop_iterations_int): New.
 301         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
 302         any_likely_upper_bound.
 303         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
 304         Declare.
 305         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
 306         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
 307         upper bound.
 308         (unroll_loop_constant_iterations): Likewise.
 309         (unroll_loop_runtime_iterations): Likewise.
 310         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
 311         * lto-streamer-out.c (output_cfg): Likewise.
 312         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
 313         bounds.
 314         (canonicalize_loop_induction_variables): Dump likely upper bounds.
 315         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
 316         (likely_max_loop_iterations): New.
 317         (likely_max_loop_iterations_int): New.
 318         (likely_max_stmt_executions): New.
 319         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
 320         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
 321         likely_max_stmt_executions): Declare.
 322
 323 2016-05-27  Marek Polacek  <polacek@redhat.com>
 324
 325         PR middle-end/71308
 326         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
 327
 328 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 329
 330         * config/s390/s390.md (2x risbg splitters): Use
 331         reg_overlap_mentioned_p instead of rtx_equal_p.
 332
 333 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 334
 335         * combine.c (make_compound_operation): Take known zero bits into
 336         account when checking for possible zero_extend.
 337
 338 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 339
 340         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
 341         Use const_int_operand for operand 2 predicate.  Simplify expand code
 342         as a result.
 343
 344 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
 345
 346         PR middle-end/71279
 347         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
 348         into comparison.
 349
 350 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 351
 352         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
 353         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
 354         that returns CC_SESWPmode and CC_ZESWPmode.
 355         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
 356         and CC_SESWPmode.
 357         (aarch64_rtx_costs): Likewise.
 358
 359 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
 360
 361         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
 362         for ISA 3.0 min/max support.
 363         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
 364         conditional move support.
 365         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
 366         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
 367         available.
 368         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
 369         conditional moves where the comparison type is different from move
 370         type.
 371         (fp_minmax): New code iterator for smin/smax.
 372         (minmax): New code attributes for min/max.
 373         (SMINMAX): Likewise.
 374         (smax<mode>3): Combine min, max insns into one insn using the
 375         fp_minmax code iterator.  Add support for ISA 3.0 min/max
 376         instructions that don't need -ffast-math.
 377         (s<minmax><mode>3): Likewise.
 378         (smax<mode>3_vsx): Likewise.
 379         (smin<mode>3): Likewise.
 380         (s<minmax><mode>3_vsx): Likewise.
 381         (smin<mode>3_vsx): Likewise.
 382         (pre-VSX min/max splitters): Likewise.
 383         (s<minmax><mode>3_fpr): Likewise.
 384         (movsfcc): Rewrite floating point conditional moves to combine
 385         SFmode/DFmode into a single insn.
 386         (mov<mode>cc): Likewise.
 387         (movdfcc): Likewise.
 388         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
 389         SFDF2 iterators to handle all combinations.
 390         (fseldfsf4): Likewise.
 391         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
 392         (fseldfdf4): Likewise.
 393         (fselsfdf4): Likewise.
 394         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
 395         comparison instructions that set a 0/-1 mask, and use it for
 396         floating point conditional move via XXSEL.
 397         (fpmask<mode>): Likewise.
 398         (xxsel<mode>): Likewise.
 399         * config/rs6000/predicates.md (min_max_operator): Delete, no
 400         longer used.
 401         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
 402         instructions that generate a 0/-1 mask for use with XXSEL.
 403         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
 404         say whether floating point min/max is available, either through
 405         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
 406         (TARGET_MINMAX_DF): Likewise.
 407
 408 2016-05-27  Alan Modra  <amodra@gmail.com>
 409
 410         PR rtl-optimization/71275
 411         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
 412         for update_equiv_regs and combine_and_move_insns.
 413
 414 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
 415
 416         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
 417         if_then_else or cond RTXes to calculate attribute value.
 418         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
 419         <attr "length_immediate>: Ditto.
 420         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
 421         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
 422         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
 423         <attr "type">: Ditto.
 424         <attr "prefix_data16">: Ditto.
 425         <attr "prefix_extra">: Ditto.
 426         <attr "length_immediate">: Ditto.
 427         <attr "prefix">: Ditto.
 428         (vec_set<mode>_0) <attr "isa">: Ditto.
 429         <attr "prefix_extra">: Ditto.
 430         <attr "length_immediate">: Ditto.
 431         <attr "prefix">: Ditto.
 432         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
 433         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
 434         (sse2_storelpd) <attr "prefix_data16">: Ditto.
 435         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
 436         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
 437         <attr "length_immediate">: Ditto.
 438         <attr "prefix">: Ditto.
 439         (sse2_movsd) <attr "length_immediate">: Ditto.
 440         <attr "prefix">: Ditto.
 441         (vec_concatv2df)  <attr "isa">: Ditto.
 442         <attr "prefix">: Ditto.
 443         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
 444         (*vec_extractv2di_1) <attr "isa">: Ditto.
 445         <attr "type">: Ditto.
 446         <attr "length_immediate">: Ditto.
 447         <attr "prefix_rex">: Ditto.
 448         <attr "prefix_extra">: Ditto.
 449         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
 450         <attr "prefix_extra">: Ditto.
 451         <attr "length_immediate">: Ditto.
 452         (vec_concatv2di) <attr "isa">: Ditto.
 453         <attr "prefix_extra">: Ditto.
 454         <attr "length_immediate">: Ditto.
 455         <attr "prefix">: Ditto.
 456
 457 2016-05-26  Martin Liska  <mliska@suse.cz>
 458
 459         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
 460         function.
 461         (operator+): Likewise.
 462         (operator-): Likewise.
 463         (comp_cost::operator+=): Likewise.
 464         (comp_cost::operator-=): Likewise.
 465         (comp_cost::operator/=): Likewise.
 466         (comp_cost::operator*=): Likewise.
 467         (operator<): Likewise.
 468         (operator==): Likewise.
 469         (operator<=): Likewise.
 470         (new_cost): Remove.
 471         (infinite_cost_p): Likewise.
 472         (add_costs): Likewise.
 473         (sub_costs): Likewise.
 474         (compare_costs): Likewise.
 475         (set_group_iv_cost): Use the newly introduced functions.
 476         (get_address_cost): Likewise.
 477         (get_shiftadd_cost): Likewise.
 478         (force_expr_to_var_cost): Likewise.
 479         (split_address_cost): Likewise.
 480         (ptr_difference_cost): Likewise.
 481         (difference_cost): Likewise.
 482         (get_computation_cost_at): Likewise.
 483         (determine_group_iv_cost_generic): Likewise.
 484         (determine_group_iv_cost_address): Likewise.
 485         (determine_group_iv_cost_cond): Likewise.
 486         (autoinc_possible_for_pair): Likewise.
 487         (determine_group_iv_costs): Likewise.
 488         (cheaper_cost_pair): Likewise.
 489         (iv_ca_recount_cost): Likewise.
 490         (iv_ca_set_no_cp): Likewise.
 491         (iv_ca_set_cp): Likewise.
 492         (iv_ca_cost): Likewise.
 493         (iv_ca_new): Likewise.
 494         (iv_ca_dump): Likewise.
 495         (iv_ca_narrow): Likewise.
 496         (iv_ca_prune): Likewise.
 497         (iv_ca_replace): Likewise.
 498         (try_add_cand_for): Likewise.
 499         (try_improve_iv_set): Likewise.
 500         (find_optimal_iv_set): Likewise.
 501
 502 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
 503
 504         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
 505         that internal functions will clobber all caller-saved registers.
 506
 507 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 508
 509         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
 510         Return a better case_values_threshold when optimizing.
 511
 512 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 513
 514         * config/aarch64/aarch64-simd.md (aarch64_combinez):
 515         Add ? to integer variant.
 516         (aarch64_combinez_be): Likewise.
 517
 518 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
 519
 520         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
 521         instead of x constraint.
 522         (vcvtps2ph256<mask_name>): Likewise.
 523
 524         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
 525         alternative.  Formatting fix.
 526
 527         * config/i386/sse.md
 528         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
 529         to ...
 530         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
 531         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
 532         maybe_evex prefix instead of vex.
 533         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
 534         EXT_REX_SSE_REG_P (op0) case in the splitter.
 535
 536 2016-05-25  Jeff Law  <law@redhat.com>
 537
 538         PR tree-optimization/71272
 539         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
 540         Update comments.  Add test for empty path.
 541
 542 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
 543
 544         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
 545         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
 546         special case builtin.
 547         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 548         code for ALTIVEC_BUILTIN_VEC_CMPNE.
 549         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 550         for __builtin_vec_cmpne.
 551
 552 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 553
 554         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
 555         redundant test and bail out if the type of the new operand is not
 556         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
 557
 558 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 559
 560         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
 561         (x_ix86_target_flags_explicit): Remove.
 562         * config/i386/i386.c (ix86_function_specific_save): Do not copy
 563         x_ix86_target_flags_explicit.
 564         (ix86_function_specific_restore): Ditto.
 565
 566 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 567             H.J. Lu  <hongjiu.lu@intel.com>
 568
 569         PR target/70738
 570         * common/config/i386/i386-common.c
 571         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
 572         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
 573         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
 574         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
 575         (-mgeneral-regs-only): Add new option.
 576         * config/i386/i386.c (ix86_option_override_internal): Don't enable
 577         x87 instructions if only general registers are allowed.
 578         (ix86_target_string): Add ix86_flags argument. Handle additional
 579         flags options through ix86_flags argument.  Update all callers.
 580         * doc/invoke.texi: Document -mgeneral-regs-only.
 581
 582 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 583
 584         PR rtl-optimization/66940
 585         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
 586         decrementing desired_val will not overflow before performing these
 587         operations.
 588
 589 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
 590
 591         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
 592         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
 593         * config/i386/i386.c (enum ix86_builtins): Add
 594         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
 595         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
 596         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
 597         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
 598         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
 599         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
 600         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
 601         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
 602         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
 603         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
 604         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
 605         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
 606         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
 607         __builtin_ia32_cvtps2dq512_mask.
 608         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
 609         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
 610         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
 611         * config/i386/sse.md
 612         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
 613         Rename to ...
 614         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
 615         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
 616         to ...
 617         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
 618         (avx512f_vec_pack_sfix_v8df): New define_expand.
 619         (avx512f_roundpd512): Rename to ...
 620         (avx512f_round<castmode>512): ... this.  Change iterator.
 621         (avx512f_roundps512_sfix): New define_expand.
 622         (round<mode>2_sfix): Change iterator.
 623
 624 2016-05-25  Nick Clifton  <nickc@redhat.com>
 625
 626         * config/msp430/msp430.c (msp430_attr): Produce an error if a
 627         static interrupt handler is detected.
 628         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
 629         default linker script.
 630         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
 631         the low part of a symbolic pointer.
 632
 633 2016-05-25  Richard Biener  <rguenther@suse.de>
 634
 635         PR tree-optimization/71261
 636         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
 637         interesting stmt instead of immediate uses when looking
 638         for the use operand to replace.
 639
 640 2016-05-25  Martin Liska  <mliska@suse.cz>
 641
 642         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
 643
 644 2016-05-25  Richard Biener  <rguenther@suse.de>
 645
 646         PR tree-optimization/71264
 647         * tree-vect-stmts.c (vect_init_vector): Properly deal with
 648         vector type val.
 649
 650 2016-05-25  Martin Liska  <mliska@suse.cz>
 651
 652         PR tree-optimization/71239
 653         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
 654         if DECL_SIZE is NULL.
 655
 656 2016-05-25  Richard Biener  <rguenther@suse.de>
 657
 658         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
 659         * tree-if-conv.c (pass_data_if_conversion): Use it.
 660
 661 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 662
 663         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
 664         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
 665         * varpool.c (varpool_node::get_availability): Likewise.
 666
 667 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 668
 669         * config/rs6000/altivec.md (VNEG iterator): New iterator for
 670         VNEGW/VNEGD instructions.
 671         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
 672         (neg<mode>2): Add expander for V2DImode added in ISA 2.06, and
 673         support for ISA 3.0 VNEGW/VNEGD instructions.
 674
 675 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
 676
 677         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
 678         pointers inside OACC_DATA regions.
 679         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
 680         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
 681         (gimplify_adjust_omp_clauses): Fix typo in comment.
 682
 683 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 684
 685         * config/rs6000/altivec.md (VParity): New mode iterator for vector
 686         parity built-in functions.
 687         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
 688         zeros.
 689         (p9v_parity<mode>2): Likewise.
 690         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
 691         parity.
 692         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
 693         (parity<mode>2): ISA 3.0 expander for vector parity.
 694         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
 695         power9 built-ins.
 696         (BU_P9_64BIT_MISC_0): Likewise.
 697         (BU_P9_MISC_0): Likewise.
 698         (BU_P9V_AV_1): Likewise.
 699         (BU_P9V_AV_2): Likewise.
 700         (BU_P9V_AV_3): Likewise.
 701         (BU_P9V_AV_P): Likewise.
 702         (BU_P9V_VSX_1): Likewise.
 703         (BU_P9V_OVERLOAD_1): Likewise.
 704         (BU_P9V_OVERLOAD_2): Likewise.
 705         (BU_P9V_OVERLOAD_3): Likewise.
 706         (VCTZB): Add vector count trailing zeros support.
 707         (VCTZH): Likewise.
 708         (VCTZW): Likewise.
 709         (VCTZD): Likewise.
 710         (VPRTYBD): Add vector parity support.
 711         (VPRTYBQ): Likewise.
 712         (VPRTYBW): Likewise.
 713         (VCTZ): Add overloaded vector count trailing zeros support.
 714         (VPRTYB): Add overloaded vector parity support.
 715         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 716         overloaded vector count trailing zeros and parity instructions.
 717         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
 718         vector parity support.
 719         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
 720         trailing zeros support.
 721         (vec_cntlz): Likewise.
 722         (vec_vctzb): Likewise.
 723         (vec_vctzd): Likewise.
 724         (vec_vctzh): Likewise.
 725         (vec_vctzw): Likewise.
 726         (vec_vprtyb): Add ISA 3.0 vector parity support.
 727         (vec_vprtybd): Likewise.
 728         (vec_vprtybw): Likewise.
 729         (vec_vprtybq): Likewise.
 730         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 731         the ISA 3.0 vector count trailing zeros and vector parity built-in
 732         functions.
 733
 734 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 735
 736         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
 737         when there is stmt_to_insert.
 738
 739 2016-05-24  Martin Sebor  <msebor@redhat.com>
 740
 741         PR c++/71147
 742         * tree.h (complete_or_array_type_p): New inline function.
 743
 744 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 745
 746         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
 747         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
 748         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
 749
 750         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
 751         Limit 1st alternative to noavx isa, split 2nd alternative into one
 752         noavx and one avx alternative, use *x and Bm in the former and
 753         x and m in the latter.
 754
 755         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
 756         of sse4 for the first alternative, drop %v from the template
 757         and d operand modifier.  Split second alternative into one sse4_noavx
 758         and one avx alternative, use *x instead of *v in the former and v
 759         instead of *v in the latter.
 760         (*sse4_1_extractps): Use noavx isa instead of * for the first
 761         alternative, drop %v from the template.  Split second alternative into
 762         one noavx and one avx alternative, use *x instead of *v in the
 763         former and v instead of *v in the latter.
 764         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
 765         with noavx and the last one with avx.
 766         (sse4_1_phminposuw): Guard first alternative with noavx isa,
 767         split the second one into one noavx and one avx alternative,
 768         use *x and Bm in the former and x and m in the latter one.
 769         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
 770         alternatives.
 771
 772         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
 773         first two alternatives to noavx, use *x instead of *v in the second
 774         one, add avx alternative without *.
 775         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
 776         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
 777         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
 778
 779 2016-05-24  Jeff Law  <law@redhat.com>
 780
 781         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
 782         New function, extracted from...
 783         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
 784         Allow simple copies and constant initializations in the SSA chain.
 785
 786 2016-05-24  Marek Polacek  <polacek@redhat.com>
 787
 788         PR c/71249
 789         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
 790         scope.
 791
 792 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 793
 794         PR c++/71257
 795         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
 796         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
 797         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
 798         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
 799         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
 800
 801 2016-05-24  Richard Biener  <rguenther@suse.de>
 802
 803         PR tree-optimization/71240
 804         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
 805         has integral type.
 806
 807 2016-05-24  Richard Biener  <rguenther@suse.de>
 808
 809         PR tree-optimization/71230
 810         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
 811
 812 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 813
 814         * tree-vectorizer.h (vectorizable_comparison): Delete.
 815         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
 816         PURE_SLP_STMT check.
 817         * tree-vect-stmts.c (vectorizable_call): Likewise.
 818         (vectorizable_simd_clone_call): Likewise.
 819         (vectorizable_conversion): Likewise.
 820         (vectorizable_assignment): Likewise.
 821         (vectorizable_shift): Likewise.
 822         (vectorizable_operation): Likewise.
 823         (vectorizable_load): Likewise.
 824         (vectorizable_condition): Likewise.
 825         (vectorizable_store): Likewise.  Assert that we don't have
 826         hybrid SLP.
 827         (vectorizable_comparison): Make static.  Remove redundant
 828         PURE_SLP_STMT check.
 829         (vect_transform_stmt): Assert that we always have an slp_node
 830         if PURE_SLP_STMT.
 831
 832 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 833
 834         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
 835         operands[2] against 1 with comparison against CONST1_RTX.
 836         (<shift>di3_neon): Likewise.
 837         * config/arm/predicates.md (const0_operand): Replace with comparison
 838         against CONST0_RTX.
 839
 840 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 841
 842         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
 843         operands[2] against 1 with comparison against CONST1_RTX.
 844         (ashrdi3): Likewise.
 845         (lshrdi3): Likewise.
 846         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
 847         UINTVAL.
 848         (ashrsi3): Likewise.
 849         (lshrsi3): Likewise.
 850         (rotrsi3): Likewise.
 851         (define_split above *compareqi_eq0): Likewise.
 852         (define_split above "prologue"): Likewise.
 853         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
 854         * config/arm/predicates.md (shift_operator): Likewise.
 855         (shift_nomul_operator): Likewise.
 856         (sat_shift_operator): Likewise.
 857         (thumb1_cmp_operand): Likewise.
 858         (const_neon_scalar_shift_amount_operand): Replace manual range
 859         check with IN_RANGE.
 860         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
 861         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
 862
 863 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 864
 865         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
 866         with HOST_WIDE_INT_1.
 867         (insv): Likewise.
 868         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
 869         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
 870         (arm_canonicalize_comparison): Likewise.
 871         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
 872         HOST_WIDE_INT_1.
 873         (thumb1_size_rtx_costs): Likewise.
 874         (vfp_const_double_index): Replace cast of 1 to unsigned
 875         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 876         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
 877         HOST_WIDE_INT_1.
 878         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
 879         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 880         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
 881         HOST_WIDE_INT with HOST_WIDE_INT_1.
 882
 883 2016-05-24  Marek Polacek  <polacek@redhat.com>
 884
 885         * tree-cfg.h (should_remove_lhs_p): New predicate.
 886         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
 887         * gimplify.c (gimplify_modify_expr): Likewise.
 888         * tree-cfg.c (verify_gimple_call): Likewise.
 889         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
 890         * gimple-fold.c: Include "tree-cfg.h".
 891         (gimple_fold_call): Use should_remove_lhs_p.
 892
 893 2016-05-24  Richard Biener  <rguenther@suse.de>
 894
 895         PR tree-optimization/71253
 896         * cfganal.h (control_dependences): Make robust against edge
 897         and BB removal.
 898         (control_dependences::control_dependences): Remove edge_list argument.
 899         (control_dependences::get_edge): Remove.
 900         (control_dependences::get_edge_src): Add.
 901         (control_dependences::get_edge_dest): Likewise.
 902         (control_dependences::m_el): Make a vector of edge src/dest index.
 903         * cfganal.c (control_dependences::find_control_dependence): Adjust.
 904         (control_dependences::control_dependences): Likewise.
 905         (control_dependences::~control_dependence): Likewise.
 906         (control_dependences::get_edge): Remove.
 907         (control_dependences::get_edge_src): Add.
 908         (control_dependences::get_edge_dest): Likewise.
 909         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
 910         get_edge_src.
 911         (perform_tree_ssa_dce): Adjust.
 912         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
 913         get_edge_src.
 914         (pass_loop_distribution::execute): Adjust.  Do loop destroying
 915         conditional on changed.
 916
 917 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 918
 919         PR target/69857
 920         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
 921         return.  Reindent transformation comment and mention the ARM state
 922         behavior.
 923
 924 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 925
 926         PR middle-end/71252
 927         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
 928         after build_and_add_sum creates new use stmt.
 929
 930 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 931
 932         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
 933         load_lanes/grouped_load classification comes first.  Don't check
 934         whether the vectorization factor is a multiple of the group size
 935         for load_lanes.
 936
 937 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 938
 939         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
 940         GROUP_GAP for single-element interleaving.
 941         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
 942         variable.
 943
 944 2016-05-24  Richard Biener  <rguenther@suse.de>
 945
 946         PR middle-end/70434
 947         PR c/69504
 948         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
 949         bases which are accessed with non-invariant indices.
 950         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
 951         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
 952
 953 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 954
 955         PR middle-end/71170
 956         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
 957         (add_to_ops_vec): Add stmt_to_insert.
 958         (add_repeat_to_ops_vec): Init stmt_to_insert.
 959         (insert_stmt_before_use): New.
 960         (transform_add_to_multiply): Remove mult_stmt insertion and add it
 961         to ops vector.
 962         (get_ops): Init stmt_to_insert.
 963         (maybe_optimize_range_tests): Likewise.
 964         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
 965         (rewrite_expr_tree_parallel): Likewise.
 966         (reassociate_bb): Likewise.
 967
 968 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 969
 970         PR target/71201
 971         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
 972         ISA 3.0 xxperm fusion alternative.
 973         (altivec_vperm_v8hiv16qi): Likewise.
 974         (altivec_vperm_<mode>_uns_internal): Likewise.
 975         (vperm_v8hiv4si): Likewise.
 976         (vperm_v16qiv8hi): Likewise.
 977
 978 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 979             Kelvin Nilsen  <kelvin@gcc.gnu.org>
 980
 981         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
 982         vpermr/xxpermr on ISA 3.0.
 983         (altivec_expand_vec_perm_le): Likewise.
 984         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
 985         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
 986         ISA 3.0.
 987
 988 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
 989
 990         * config/i386/i386.h (IS_STACK_MODE): Enable for
 991         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
 992         SSE_FLOAT_MODE_P macros.
 993         * config/i386/i386.c (ix86_preferred_reload_class): Use
 994         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
 995         Cleanup regclass processing for CONST_DOUBLE_P.
 996         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
 997         (ix86_rtx_costs): Remove redundant TARGET_80387 check
 998         with IS_STACK_MODE macro.
 999         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
1000         with TARGET_SSE2.
1001         (*movdf_internal): Use IS_STACK_MODE macro.
1002         (*movsf_internal): Ditto.
1003
1004 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
1005
1006         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
1007         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
1008
1009 2016-05-23  Jeff Law  <law@redhat.com>
1010
1011         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
1012         extracted from ...
1013         (fsm_find_control_statement_thread_paths): Call it.
1014
1015 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1016
1017         PR ipa/71234
1018         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
1019         from_global_constant if t is not NULL.
1020
1021 2016-05-23  Marek Polacek  <polacek@redhat.com>
1022
1023         PR c/49859
1024         * common.opt (Wswitch-unreachable): New option.
1025         * doc/invoke.texi: Document -Wswitch-unreachable.
1026         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
1027         warning.
1028
1029 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
1030
1031         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
1032         TMR_INDEX is non-NULL.
1033
1034 2016-05-23  Richard Biener  <rguenther@suse.de>
1035
1036         PR tree-optimization/71230
1037         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
1038         (try_special_add_to_ops): ... here.  Always test for single-use.
1039
1040 2016-05-23  Martin Jambor  <mjambor@suse.cz>
1041
1042         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
1043         default block if a PHI node in the original one would be resized.
1044
1045 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1046
1047         PR tree-optimization/58135
1048         * tree-vect-slp.c: When group size is not multiple
1049         of vector size, allow splitting of store group at
1050         vector boundary.
1051
1052 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
1053
1054         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
1055
1056 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
1057
1058         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
1059         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
1060         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
1061         of 64x2.
1062
1063         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
1064         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
1065         v constraint instead of x and vinserti32x4 insn.
1066
1067         * config/i386/sse.md (i128vldq): New mode iterator.
1068         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
1069         avx512dq and avx512vl alternatives.
1070
1071         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
1072         constraint, use maybe_evex prefix instead of vex.
1073         (vec_dupv4sf): Use v constraint instead of x for output
1074         operand except for noavx alternative, use Yv constraint
1075         instead of x for input.  Use maybe_evex prefix instead of vex.
1076         (*vec_dupv4si): Likewise.
1077         (*vec_dupv2di): Likewise.
1078
1079 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
1080
1081         PR middle-end/40921
1082         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
1083         (linearize_expr_tree): Call try_special_add_to_ops.
1084         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
1085
1086 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
1087
1088         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
1089         to computed stack_usage.
1090
1091 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
1092
1093         PR target/71103
1094         * config/avr/avr.md (define_expand "mov<mode>"): If the source
1095         operand is subreg (symbol_ref) then move the symbol ref to register.
1096
1097 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
1098
1099         * tree.c (array_at_struct_end_p): Look through MEM_REF.
1100
1101 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
1102
1103         PR middle-end/71179
1104         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
1105         VECTOR type.
1106
1107 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1108
1109         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
1110         ranges by calling get_single_symbol and tidy up.  Look more closely
1111         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
1112
1113 2016-05-20  Jeff Law  <law@redhat.com>
1114
1115         * bitmap.c (bitmap_find_bit): Remove useless test.
1116
1117 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
1118
1119         * function.c (thread_prologue_and_epilogue_insns): Commit the
1120         insertion of the epilogue.
1121
1122 2016-05-20  Martin Jambor  <mjambor@suse.cz>
1123
1124         PR tree-optimization/70884
1125         * tree-sra.c (initialize_constant_pool_replacements): Do not check
1126         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
1127         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
1128         of constant pool data as a reason for scalarization.
1129
1130 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
1131
1132         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
1133         for naked functions.
1134         (thumb1_expand_prologue): Likewise.
1135
1136 2016-05-20  Nathan Sidwell  <nathan@acm.org>
1137
1138         * config/nvptx/nptx.c (nvptx_option_override): Only set
1139         flag_toplevel_reorder, if not explicitly specified.  Set
1140         flag_no_common, unless explicitly specified.
1141
1142 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1143
1144         * calls.c (can_implement_as_sibling_call_p): Mark param
1145         reg_parm_stack_space with ATTRIBUTE_UNUSED.
1146
1147 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
1148
1149         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
1150         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
1151         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
1152         constants.
1153         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
1154         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
1155         and CASE_CONST_ANY.
1156
1157 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
1158
1159         * config/nvptx/nvptx.md (sincossf3): New pattern.
1160
1161 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1162
1163         * calls.c (maybe_complain_about_tail_call): New function.
1164         (initialize_argument_information): Call
1165         maybe_complain_about_tail_call when clearing *may_tailcall.
1166         (can_implement_as_sibling_call_p): Call
1167         maybe_complain_about_tail_call when returning false.
1168         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
1169         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
1170         if tail-call optimization fails.
1171         * cfgexpand.c (expand_call_stmt): Initialize
1172         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
1173         * gimple-pretty-print.c (dump_gimple_call): Dump
1174         gimple_call_must_tail_p.
1175         * gimple.c (gimple_build_call_from_tree): Call
1176         gimple_call_set_must_tail with the value of
1177         CALL_EXPR_MUST_TAIL_CALL.
1178         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
1179         (gimple_call_set_must_tail): New function.
1180         (gimple_call_must_tail_p): New function.
1181         * print-tree.c (print_node): Update printing of TREE_STATIC
1182         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
1183         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
1184         trailing comment listing applicable flags.
1185         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
1186
1187 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1188
1189         * calls.c (expand_call): Move "Rest of purposes for tail call
1190         optimizations to fail" to...
1191         (can_implement_as_sibling_call_p): ...this new function, and
1192         split into multiple "if" statements.
1193
1194 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1195
1196         * cfgloop.h (expected_loop_iterations_unbounded,
1197         expected_loop_iterations): Unconstify.
1198         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
1199         profile with known upper bound; return 3 when profile is absent.
1200         (expected_loop_iterations): Update.
1201
1202 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1203
1204         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
1205         and get_max_loop_iterations_int.
1206
1207 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1208
1209         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
1210         realistic upper bounds here.
1211
1212 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1213
1214         PR c++/71210
1215         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1216         calls if the LHS is variable length or has addressable type.
1217         If targets[0]->decl is a noreturn call with void return type and
1218         zero arguments, adjust fntype and remove lhs in that case.
1219
1220 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
1221
1222         PR tree-optimization/71079
1223         PR tree-optimization/71206
1224         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
1225
1226 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1227
1228         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
1229         (get_vec_alignment_for_array_decl): Likewise.
1230         (get_vec_alignment_for_record_decl): Likewise.
1231         (increase_alignment::execute): Move code to find alignment to
1232         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
1233         (type_align_map): New hash_map.
1234
1235 2016-05-20  Richard Guenther  <rguenther@suse.de>
1236
1237         PR tree-optimization/29756
1238         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
1239         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
1240         * fold-const.c (operand_equal_p): Likewise.
1241         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
1242         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
1243         * tree-inline.c (estimate_operator_cost): Likewise.
1244         * tree-pretty-print.c (dump_generic_node): Likewise.
1245         * tree-ssa-operands.c (get_expr_operands): Likewise.
1246         * cfgexpand.c (expand_debug_expr): Likewise.
1247         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
1248         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
1249         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
1250         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
1251         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
1252         (execute_update_addresses_taken): Do it.
1253
1254 2016-05-20  Richard Biener  <rguenther@suse.de>
1255
1256         PR tree-optimization/71185
1257         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
1258         register operations.
1259
1260 2016-05-20  Richard Biener  <rguenther@suse.de>
1261
1262         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
1263         gimple_seq_add_seq_without_update.
1264         (release_bb_predicate): Assert we have no operands to free.
1265         (if_convertible_loop_p_1): Calculate post dominators later.
1266         Do not free BB predicates here.
1267         (combine_blocks): Do not recompute BB predicates.
1268         (version_loop_for_if_conversion): Save BB predicates around
1269         loop versioning.
1270
1271 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1272
1273         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
1274         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
1275         code.  Ignore sibcalls on EDGE_IGNORE edges.
1276         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
1277         on edges for sibcalls that run without prologue.  The rest of the
1278         function is combined from...
1279         (fix_fake_fallthrough_edge): ... this, and ...
1280         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
1281         function argument, make it a local variable.
1282
1283 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
1284
1285         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
1286         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
1287         for 32-bit mode and SEH for 64-bit.
1288         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
1289         TARGET_64BIT_DEFAULT.
1290
1291 2016-05-19  Ryan Burn  <contact@rnburn.com>
1292
1293         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
1294         * gengtype.c (open_base_files): Add cilk.h to ifiles.
1295
1296 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1299         force pending loads from memory.
1300
1301 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1302
1303         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1304         (UNSPEC_DARN_32): New unspec constant.
1305         (UNSPEC_DARN_RAW): New unspec constant.
1306         (darn_32): New instruction.
1307         (darn_raw): New instruction.
1308         (darn): New instruction.
1309         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1310         support and documentation for this macro.
1311         (BU_P9_MISC_1): New macro definition.
1312         (BU_P9_64BIT_MISC_0): New macro definition.
1313         (BU_P9_MISC_0): New macro definition.
1314         (darn_32): New builtin definition.
1315         (darn_raw): New builtin definition.
1316         (darn): New builtin definition.
1317         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1318         RS6000_BUILTIN_0 directives to surround each occurrence of
1319         #include "rs6000-builtin.def".
1320         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1321         RS6000_BTM_64BIT flags to the returned mask, depending on
1322         configuration.
1323         (def_builtin): Correct an error in the assignments made to the
1324         debugging variable attr_string.
1325         (rs6000_expand_builtin): Add support for no-operand built-in
1326         functions.
1327         (builtin_function_type): Remove fatal_error assertion that is no
1328         longer valid.
1329         (rs6000_common_init_builtins): Add support for no-operand built-in
1330         functions.
1331         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1332         definition.
1333         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1334         definition.
1335         (RS6000_BTM_64BIT): New macro definition.
1336         * doc/extend.texi: Document __builtin_darn (void),
1337         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1338         functions.
1339
1340 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
1341
1342         * tree-vect-loop.c (vect_analyze_loop_2): Use also
1343         max_loop_iterations_int.
1344
1345 2016-05-19  Marek Polacek  <polacek@redhat.com>
1346
1347         PR tree-optimization/71031
1348         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
1349         condition and adjust the code a bit.
1350
1351 2016-05-19  Martin Liska  <mliska@suse.cz>
1352
1353         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
1354         auto_vec instead of vec.
1355
1356 2016-05-19  Martin Liska  <mliska@suse.cz>
1357
1358         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
1359
1360 2016-05-19  Martin Liska  <mliska@suse.cz>
1361
1362         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
1363
1364 2016-05-19  Martin Liska  <mliska@suse.cz>
1365
1366         * ipa-pure-const.c (set_function_state): Remove an existing
1367         funct_state.
1368         (remove_node_data): Do not free it as it's released
1369         in set_function_state.
1370
1371 2016-05-19  Martin Liska  <mliska@suse.cz>
1372
1373         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
1374         bitmap.
1375
1376 2016-05-19  Martin Liska  <mliska@suse.cz>
1377
1378         * omp-simd-clone.c (simd_clone_adjust): Release vector.
1379
1380 2016-05-19  Martin Liska  <mliska@suse.cz>
1381
1382         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
1383         an auto_vec instead of re-creating it.
1384
1385 2016-05-19  Martin Liska  <mliska@suse.cz>
1386
1387         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
1388         auto_vec instead of vec.
1389
1390 2016-05-19  Martin Liska  <mliska@suse.cz>
1391
1392         * lto-section-in.c (lto_get_section_data): Call
1393         lto_check_version with additional argument.
1394         * lto-streamer.c (lto_check_version): Add new argument.
1395         * lto-streamer.h (lto_check_version): Likewise.
1396
1397 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1398
1399         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
1400         Don't add cost of inner memory when handling sign-extended loads.
1401
1402 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
1403
1404         PR rtl-optimization/71148
1405         * cse.c (cse_main): Free dominance info.
1406         (rest_of_handle_cse): Don't free dominance info.
1407         (rest_of_handle_cse2): Likewise.
1408         (rest_of_handle_cse_after_global_opts): Likewise.
1409
1410 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1411
1412         PR target/71056
1413         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1414         NULL_TREE early if NEON is not available.  Remove now redundant check
1415         in ARM_CHECK_BUILTIN_MODE.
1416
1417 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
1418
1419         PR sanitizer/64354
1420         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
1421         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
1422         * doc/cpp.texi: Document new macros.
1423
1424 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
1425
1426         PR tree-optimization/69848
1427         * tree-vect-loop.c (vectorizable_reduction): Don't factor
1428         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
1429
1430 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1431
1432         * function.c (thread_prologue_and_epilogue_insn): Move the
1433         "goto epilogue_done" one block later.
1434
1435 2016-05-19  Richard Biener  <rguenther@suse.de>
1436
1437         PR tree-optimization/70729
1438         * passes.def: Move LIM pass before PRE.  Remove no longer
1439         required copyprop and move first DCE out of the loop pipeline.
1440
1441 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
1442
1443         PR driver/69265
1444         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
1445         (OBJS-libcommon-target): ...here.
1446         * opts-common.c: Include spellcheck.h.
1447         (cmdline_handle_error): Build a vec of valid options and use it
1448         to suggest provide hints for misspelled arguments.
1449
1450 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1451
1452         PR c++/71100
1453         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
1454         lhs if it has TREE_ADDRESSABLE type.
1455
1456 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1457
1458         PR target/71145
1459         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
1460         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
1461
1462 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1463
1464         PR ipa/69708
1465         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
1466         input for NOP_EXPR pass-through functions.
1467         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
1468         aggregate global constant VAR_DECLs in constant jump functions.
1469
1470 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1471
1472         PR ipa/69708
1473         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
1474         from TREE_READONLY parameters.
1475
1476 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1477
1478         PR ipa/69708
1479         * cgraph.h (cgraph_indirect_call_info): New field
1480         guaranteed_unmodified.
1481         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
1482         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1483         appropriate.
1484         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
1485         pass the parameter value to ipa_find_agg_cst_for_param.
1486         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
1487         guaranteed_unmodified, store AA results there instead of bailing out
1488         if present.
1489         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
1490         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
1491         (find_constructor_constant_at_offset): New function.
1492         (ipa_find_agg_cst_from_init): Likewise.
1493         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
1494         static initializers of contants, report back through a new paameter
1495         from_global_constant if that was the case.
1496         (try_make_edge_direct_simple_call): Also pass parameter value to
1497         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1498         appropriate.
1499         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
1500         (ipa_read_indirect_edge_info): Likewise.
1501         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
1502         (ipa_load_from_parm_agg): Likewise.
1503
1504 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
1505
1506         PR rtl-optimization/71150
1507         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
1508         check.
1509
1510 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1511
1512         PR target/70915
1513         * config/rs6000/constraints.md (wE constraint): New constraint
1514         for a vector constant that can be loaded with XXSPLTIB.
1515         (wM constraint): New constraint for a vector constant of a 1's.
1516         (wS constraint): New constraint for a vector constant that can be
1517         loaded with XXSPLTIB and a vector sign extend instruction.
1518         * config/rs6000/predicates.md (xxspltib_constant_split): New
1519         predicates for wE/wS constraints.
1520         (xxspltib_constant_nosplit): Likewise.
1521         (easy_vector_constant): Add support for constants that can be
1522         loaded via XXSPLTIB.
1523         (all_ones_constant): New predicate for vector constant with all
1524         1's set.
1525         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1526         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1527         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1528         instruction and possibly with a sign extension.
1529         (output_vec_const_move): Add support for XXSPLTIB. If we are
1530         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1531         instead of XXLXOR/XXLORC.
1532         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1533         operations.
1534         (rs6000_legitimize_reload_address): Likewise.
1535         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1536         constants.
1537         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1538         combine VSX_M and VSX_M2 into one iterator.
1539         (VSX_M2): Likewise.
1540         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1541         (VSINT_842): Likewise.
1542         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1543         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1544         XXSPLTIB instruction.
1545         (xxspltib_<mode>_nosplit): Likewise.
1546         (xxspltib_<mode>_split): New insn to load up constants with
1547         XXSPLTIB and a sign extend instruction.
1548         (vsx_mov<mode>): Replace single move that handled all vector types
1549         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1550         moves (when -mvsx-timode is in effect) into the main vector
1551         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1552         preferred register class (<VSr>) is listed first, and the
1553         secondary register class (<VSa>) is listed second with a '?' to
1554         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1555         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1556         that if the register was involved in a slow operation, the
1557         clear/set operation does not wait for the slow operation to
1558         finish.  Adjust the length attributes for 32-bit mode.  Use
1559         rs6000_output_move_128bit and drop the use of the string
1560         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1561         spacing so that the alternatives and attributes don't generate
1562         long lines, and put things in columns, so that it is easier to
1563         match up the operands and attributes with the insn alternatives.
1564         (vsx_mov<mode>_64bit): Likewise.
1565         (vsx_mov<mode>_32bit): Likewise.
1566         (vsx_movti_64bit): Fold movti into normal vector moves.
1567         (vsx_movti_32bit): Likewise.
1568         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1569         splat instructions.
1570         (vsx_splat_v4si_internal): Likewise.
1571         (vsx_splat_v4sf_internal): Likewise.
1572         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1573         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1574         extend vector elements.
1575         (vsx_sign_extend_hi_<mode>): Likewise.
1576         (vsx_sign_extend_si_v2di): Likewise.
1577         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1578         declaration.
1579         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1580         constraints.  Add trailing period to wL documentation.
1581
1582 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
1583
1584         PR middle-end/71020
1585         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
1586         * tree-dfa.c (replace_abnormal_ssa_names): New function.
1587         * tree-call-cdce.c: Include tree-dfa.h.
1588         (can_guard_call_p): New function, extracted from...
1589         (can_use_internal_fn): ...here.
1590         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
1591         and return void.
1592         (shrink_wrap_one_built_in_call): Likewise.
1593         (use_internal_fn): Likewise.
1594         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
1595         and return void.  Call replace_abnormal_ssa_names.
1596         (pass_call_cdce::execute): Check can_guard_call_p during the
1597         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
1598         will always change something.
1599
1600 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1601
1602         PR ipa/70646
1603         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
1604         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
1605
1606 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1607
1608         PR ipa/70646
1609         * ipa-inline.h (condition): New field size.
1610         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
1611         for comaprison and store it into the new condition.
1612         (evaluate_conditions_for_known_args): Use condition size to check
1613         access sizes for all but CHANGED conditions.
1614         (unmodified_parm_1): New parameter size_p, store access size into it.
1615         (unmodified_parm): Likewise.
1616         (unmodified_parm_or_parm_agg_item): Likewise.
1617         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
1618         (set_cond_stmt_execution_predicate): Extract access sizes and store
1619         them to conditions.
1620         (set_switch_stmt_execution_predicate): Likewise.
1621         (will_be_nonconstant_expr_predicate): Likewise.
1622         (will_be_nonconstant_predicate): Likewise.
1623         (inline_read_section): Stream condition size.
1624         (inline_write_summary): Likewise.
1625
1626 2016-05-18  Richard Biener  <rguenther@suse.de>
1627
1628         * tree-ssa-loop-im.c (determine_max_movement): Properly add
1629         condition cost to PHI cost instead of total_cost.
1630
1631 2016-05-18  Martin Liska  <mliska@suse.cz>
1632
1633         PR fortran/70856
1634         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
1635         merged variables.
1636
1637 2016-05-18  Richard Biener  <rguenther@suse.de>
1638
1639         * lto-streamer.h (LTO_major_version): Bump to 6.
1640
1641 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1642
1643         * function.c (make_split_prologue_seq, make_prologue_seq,
1644         make_epilogue_seq): New functions, factored out from...
1645         (thread_prologue_and_epilogue_insns): Here.
1646
1647 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1648
1649         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
1650         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
1651         of before.  Add a comment.
1652
1653 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
1654
1655         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
1656         expression pointer, not pointer to the pointer.
1657
1658 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1659
1660         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
1661         (avx2_pbroadcast<mode>): Add another alternative with v instead
1662         of x constraints in it, using <pbroadcast_evex_isa> isa.
1663         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
1664
1665         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
1666         constraint x instead of v in second alternative, add avx512bw
1667         alternative.
1668
1669         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
1670         constraint x instead of v in second alternative, add avx512bw
1671         alternative.
1672
1673         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
1674         constraint x instead of v in second alternative, add avx512bw
1675         alternative.
1676
1677         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
1678         avx512bw alternative.
1679
1680 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1681
1682         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
1683         array to 128 chars.
1684         (define_insn "*andnottf3"): Ditto.
1685         (define_insn "*<code><mode>3"/any_logic): Ditto.
1686         (define_insn "*<code>tf3"/any_logic): Ditto.
1687         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
1688         operand to block AVX-512VL insn variant emit when it is not enabled.
1689
1690 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1691
1692         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
1693         constraint fot SF mode.
1694
1695 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
1696             Kirill Yukhin  <kirill.yukhin@intel.com>
1697
1698         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
1699         modifiers.
1700         (define_insn "rsqrt14<mode>"): Ditto.
1701         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
1702         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
1703         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
1704         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
1705         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
1706         Ditto.
1707         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
1708         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
1709         * config/i386/i386.c (ix86_print_operand): Expand check for size
1710         override codes for Intel syntax.
1711
1712 2016-05-18  Richard Biener  <rguenther@suse.de>
1713
1714         PR tree-optimization/71168
1715         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
1716         initialization earlier.
1717
1718 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
1719
1720         * config/aarch64/aarch64-simd.md
1721         (aarch64_reduc_plus_internal<mode>): Rename to...
1722         (reduc_plus_scal): ...This, and remove previous implementation.
1723
1724 2016-05-18  Richard Biener  <rguenther@suse.de>
1725
1726         * passes.def: Put late dse and cd_dce in canonical order.
1727
1728 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
1729
1730         * ipa-inline-transform.c (preserve_function_body_p): Look for
1731         first non-thunk clone.
1732         (save_function_body): Save into first non-thunk.
1733         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
1734         up call stmt id.
1735         (lto_output_node): Inline thunks don't need body in every
1736         partition.
1737         * lto-streamer-in.c: Do not fixup thunk clones.
1738         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
1739         thunks.
1740         * tree-inline.c (copy_bb): Be prepared for target node to be new after
1741         folding suceeds.
1742
1743 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1744
1745         PR middle-end/63586
1746         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
1747         (reassociate_bb): Call transform_add_to_multiply.
1748
1749 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1750
1751         * config/aarch64/aarch64.c (all_extensions): Removed unused
1752         static variable.
1753
1754 2016-05-17  Nathan Sidwell  <nathan@acm.org>
1755
1756         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
1757         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
1758
1759 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
1760
1761         PR tree-optimization/54579
1762         PR middle-end/55299
1763         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
1764
1765 2016-05-17  Marek Polacek  <polacek@redhat.com>
1766
1767         PR ipa/71146
1768         * tree-inline.c (expand_call_inline): Call
1769         maybe_remove_unused_call_args.
1770
1771 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
1772
1773         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
1774         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
1775         * doc/md.texi (fmin@var{m}3): Likewise.
1776
1777 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1778
1779         * match.pd (X & C): New transformation.
1780
1781 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1782
1783         * match.pd (~X & Y): New transformation.
1784
1785 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1786
1787         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
1788         information for new SSA_NAME.
1789         (simplify_conversion_using_ranges): Get range through get_range_info
1790         instead of get_value_range.
1791
1792 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1793
1794         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
1795         Remove inline assembly.
1796         (vmvn_s16): Likewise.
1797         (vmvn_s32): Likewise.
1798         (vmvn_u8): Likewise.
1799         (vmvn_u16): Likewise.
1800         (vmvn_u32): Likewise.
1801         (vmvnq_s8): Likewise.
1802         (vmvnq_s16): Likewise.
1803         (vmvnq_s32): Likewise.
1804         (vmvnq_u8): Likewise.
1805         (vmvnq_u16): Likewise.
1806         (vmvnq_u32): Likewise.
1807         (vmvn_p8): Likewise.
1808         (vmvnq_p16): Likewise.
1809
1810 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1811
1812         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
1813         Use builtin.
1814         (vmul_n_s16): Likewise.
1815         (vmul_n_s32): Likewise.
1816         (vmul_n_u16): Likewise.
1817         (vmul_n_u32): Likewise.
1818         (vmulq_n_f32): Likewise.
1819         (vmulq_n_f64): Likewise.
1820         (vmulq_n_s16): Likewise.
1821         (vmulq_n_s32): Likewise.
1822         (vmulq_n_u16): Likewise.
1823         (vmulq_n_u32): Likewise.
1824
1825 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1826
1827         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
1828         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
1829
1830 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1831
1832         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
1833         to *aarch64_fma4_elt_from_dup<mode>.
1834         (*aarch64_fnma4_elt_to_128df): Rename to
1835         *aarch64_fnma4_elt_from_dup<mode>.
1836         * config/aarch64/arm_neon.h (vfma_n_f64): New.
1837         (vfms_n_f32): Likewise.
1838         (vfms_n_f64): Likewise.
1839         (vfmsq_n_f32): Likewise.
1840         (vfmsq_n_f64): Likewise.
1841
1842 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
1843
1844         * wide-int.h: Change fixed_wide_int_storage from class to struct.
1845
1846 2016-05-17  Richard Biener  <rguenther@suse.de>
1847
1848         PR tree-optimization/71132
1849         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
1850         Only add control dependences for blocks in the loop.
1851         (build_rdg): Adjust.
1852         (generate_code_for_partition): Return whether loop should
1853         be destroyed and delay that.
1854         (distribute_loop): Likewise.
1855         (pass_loop_distribution::execute): Record loops to be destroyed
1856         and perform delayed destroying of loops.
1857
1858 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1859
1860         PR target/70809
1861         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
1862
1863 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1864
1865         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
1866
1867 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
1868
1869         PR target/71114
1870         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
1871         insertion point for instructions generated by validize_mem.
1872
1873 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1874
1875         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
1876         in brackets.
1877
1878 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1879
1880         * config/aarch64/aarch64.c
1881         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
1882         rather than a macro.
1883
1884 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1885
1886         * doc/invoke.texi (AArch64 Options): Various updates.
1887
1888 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1889
1890         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
1891         into instrumentation thunks.
1892         * cif-code.def (CIF_CHKP): New.
1893
1894 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
1895
1896         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
1897
1898 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1899
1900         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
1901         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
1902
1903 2016-05-16  Marek Polacek  <polacek@redhat.com>
1904
1905         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
1906         commentary.
1907
1908 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1909
1910         PR hsa/70857
1911         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
1912         the outlined kernel function.
1913
1914 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
1915
1916         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
1917         (ISA_HAS_DLSA): Ditto.
1918
1919 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1920
1921         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
1922
1923 2016-05-16  Nathan Sidwell  <nathan@acm.org>
1924
1925         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
1926         (nvptx_name_replacement): Restore.  Add comment.
1927         (write_fn_proto, write_fn_proto_from_insn,
1928         nvptx_output_call_insn): Restore
1929         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
1930
1931 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1932
1933         * config/aarch64/aarch64.md
1934         (add<mode>3_compareC_cconly_imm): Remove use of %w.
1935         (add<mode>3_compareC_imm): Likewise.
1936         (<optab>si3_uxtw): Split into register and immediate variants.
1937         (andsi3_compare0_uxtw): Likewise.
1938         (and<mode>3_compare0): Likewise.
1939         (and<mode>3nr_compare0): Likewise.
1940         (stack_protect_test_<mode>): Don't use %x for memory operands.
1941
1942 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1943
1944         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
1945
1946 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1947
1948         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
1949         Split integer shifts into shift_reg and bfm.
1950         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
1951         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
1952         (ror<mode>3_insn): Likewise.
1953         (<optab>si3_insn_uxtw): Likewise.
1954         (<optab><mode>3_insn): Change to rotate_imm.
1955         (extr<mode>5_insn_alt): Likewise.
1956         (extrsi5_insn_uxtw): Likewise.
1957         (extrsi5_insn_uxtw_alt): Likewise.
1958
1959 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1960
1961         * doc/tm.texi: Regenerate.
1962         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
1963         (TARGET_INVALID_RETURN_TYPE): Remove.
1964         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
1965         TARGET_INVALID_RETURN_TYPE.
1966         * target.def (invalid_parameter_type): Remove.
1967         (invalid_return_type): Remove.
1968
1969 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1970
1971         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
1972         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
1973         calls from thunk.
1974         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
1975         gimple body.
1976         (preserve_function_body_p): No need to preserve function body
1977         * cif-codes.def (CIF_THUNK): Remove.
1978         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
1979
1980 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1981
1982         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
1983
1984 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1985
1986         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
1987         for thunks.
1988
1989 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1990
1991         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
1992         (inline_small_functions): Do not look for function symbol when
1993         resetting caches.
1994
1995 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1996
1997         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
1998         of inline thunks
1999
2000 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2001             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2002             Jiong Wang  <jiong.wang@arm.com>
2003
2004         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
2005         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
2006         Define __ARM_FP16_ARGS when appropriate.
2007         * config/arm/arm.c (arm_invalid_parameter_type): Remove
2008         declaration.
2009         (arm_invalid_return_type): Likewise.
2010         (TARGET_INVALID_PARAMETER_TYPE): Remove.
2011         (TARGET_INVALID_RETURN_TYPE): Remove.
2012         (aapcs_vfp_sub_candidate): Allow HFmode.
2013         (aapcs_vfp_allocate): Add comment.  Support HFmode.
2014         (aapcs_vfp_allocate_return_reg): Likewise.
2015         (struct aapcs_cp_arg_layout): Slightly reword comments for
2016         is_return_candidate and allocate_return_reg.
2017         (output_mov_vfp): Update assert.
2018         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
2019         condition.
2020         (arm_invalid_parameter_type): Remove.
2021         (amr_invalid_return_type): Remove.
2022         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
2023         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
2024         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
2025
2026 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
2027
2028         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
2029         * config/aarch64/arch64-protos.h
2030         (aarch64_legitimize_reload_address): Remove.
2031         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
2032         Remove.
2033
2034 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
2035
2036         * configure.ac: Add ACX_NONCANONICAL_HOST.
2037         * configure: Regenerate.
2038         * Makefile.in: Set host_noncanonical.
2039
2040 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
2041
2042         PR target/71097
2043         * config/i386/i386.md (*movtf_internal): Before register allocation,
2044         do not allow FP constants for CM_MEDIUM memory model, allow only
2045         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
2046         (*movxf_internal): Ditto.
2047         (*movdf_internal): Ditto.
2048         (*movsf_internal): Ditto.
2049
2050 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
2051
2052         PR rtl-optimization/67483
2053         * combine.c (make_compound_operation): Don't call extract_left_shift
2054         with negative shift amounts.
2055
2056 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
2057
2058         PR bootstrap/71071
2059         * fold-const.c (fold_checksum_tree): Allow modification
2060         of TYPE_ALIAS_SET during folding.
2061
2062         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
2063         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
2064         (ix86_split_to_parts): Likewise.  Fix up formatting.
2065
2066 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
2067
2068         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
2069         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
2070         printf format.
2071
2072 2016-05-13  Nathan Sidwell  <nathan@acm.org>
2073
2074         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
2075         (nvptx_name_replacement): Delete.
2076         (write_fn_proto, write_fn_proto_from_insn,
2077         nvptx_output_call_insn): Remove nvptx_name_replacement call.
2078         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
2079         * langhooks.c (add_builtin_funcction_common): Call
2080         targetm.mangle_decl_assembler_name.
2081
2082         * config/nvptx/nvptx.c (write_fn_proto): Handle
2083         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
2084
2085 2016-05-13  Martin Liska  <mliska@suse.cz>
2086
2087         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
2088         and PRIu64 in printf format.
2089
2090 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2091
2092         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
2093         comment.
2094
2095 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2096
2097         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2098         Change --param max-completely-peeled-times to
2099         --param max-completely-peel-times in dump file printing.
2100
2101 2016-05-13  Richard Biener  <rguenther@suse.de>
2102
2103         PR tree-optimization/42587
2104         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
2105         (find_bswap_or_nop_1): Likewise.
2106         (bswap_replace): Likewise.
2107
2108 2016-05-13  Martin Liska  <mliska@suse.cz>
2109
2110         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
2111         Initialize a variable with default value.
2112
2113 2016-05-13  Martin Liska  <mliska@suse.cz>
2114
2115         * doc/invoke.texi: Enhance explanation of error recovery
2116         of sanitizers.
2117
2118 2016-05-13  Martin Liska  <mliska@suse.cz>
2119
2120         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
2121         (struct cost_pair): Change inv_expr_id (int) to inv_expr
2122         (iv_inv_expr_ent *).
2123         (struct iv_inv_expr_ent): Comment struct fields.
2124         (sort_iv_inv_expr_ent): New function.
2125         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
2126         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
2127         a hash_map between iv_inv_expr_ent and number of usages.
2128         (niter_for_exit): Fix coding style.
2129         (tree_ssa_iv_optimize_init): Use renamed variable.
2130         (determine_base_object): Fix coding style.
2131         (alloc_iv): Likewise.
2132         (find_interesting_uses_outside): Likewise.
2133         (add_candidate_1): Likewise.
2134         (add_standard_iv_candidates): Likewise.
2135         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
2136         (prepare_decl_rtl): Fix coding style.
2137         (get_address_cost): Likewise.
2138         (get_shiftadd_cost): Likewise.
2139         (force_expr_to_var_cost): Likewise.
2140         (compare_aff_trees): Likewise.
2141         (get_expr_id): Restructure the function.
2142         (get_loop_invariant_expr_id): Renamed to
2143         get_loop_invariant_expr.
2144         (get_computation_cost_at): Replace usage of inv_expr_id with
2145         inv_expr.
2146         (get_computation_cost): Likewise.
2147         (determine_group_iv_cost_generic): Likewise.
2148         (determine_group_iv_cost_address): Likewise.
2149         (iv_period): Fix coding style.
2150         (iv_elimination_compare_lt): Likewise.
2151         (may_eliminate_iv): Likewise.
2152         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
2153         inv_expr.
2154         (determine_group_iv_costs): Dump invariant expressions.
2155         (iv_ca_recount_cost): Use the newly added hash_map.
2156         (iv_ca_set_remove_invariants): Fix coding style.
2157         (iv_ca_set_add_invariants): Fix coding style.
2158         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
2159         invariants.
2160         (iv_ca_set_cp): Likewise.
2161         (iv_ca_new): Initialize the newly added hash_map and remove
2162         initialization of fields.
2163         (iv_ca_free): Delete the hash_map.
2164         (iv_ca_dump): Dump invariant expressions.
2165         (iv_ca_extend): Fix coding style.
2166         (try_add_cand_for): Likewise.
2167         (create_new_ivs): Dump information about # of avg iterations and
2168         # of used invariant expressions.
2169         (rewrite_use_compare): Fix coding style.
2170         (free_loop_data): Set default value for max_inv_expr_id.
2171
2172 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2173
2174         * cse.c (rest_of_handle_cse): Use cleanup_cfg
2175         returned value cse_cfg_altered computation.
2176         (rest_of_handle_cse2): Likewise.
2177         (rest_of_handle_cse_after_global_opts): Likewise.
2178
2179 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2180
2181         PR target/53440
2182         * config/arm/arm.c (arm32_output_mi_thunk): New.
2183         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
2184         to split Thumb1 vs TARGET_32BIT functionality.
2185         (arm_thumb1_mi_thunk): New.
2186
2187 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2188
2189         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
2190         to true.
2191
2192 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2193
2194         PR target/71080
2195         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
2196
2197 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
2198
2199         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
2200         (expand_builtin_trap): Emit a regular call.
2201         (set_builtin_user_assembler_name): Remove obsolete cases.
2202         * dse.c (scan_insn): Adjust.
2203         * except.c: Include calls.h.
2204         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
2205         emit a regular call to setjmp.
2206         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
2207         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
2208         (emit_block_move_via_libcall): Delete.
2209         (block_move_fn): Delete.
2210         (init_block_move_fn): Likewise.
2211         (emit_block_move_libcall_fn): Likewise.
2212         (emit_block_op_via_libcall): New function.
2213         (set_storage_via_libcall): Tidy up and use memset builtin.
2214         (block_clear_fn): Delete.
2215         (init_block_clear_fn): Likewise.
2216         (clear_storage_libcall_fn): Likewise.
2217         (expand_assignment): Call emit_block_move_via_libcall.
2218         Do not include gt-expr.h.
2219         * expr.h (emit_block_op_via_libcall): Declare.
2220         (emit_block_copy_via_libcall): New inline function.
2221         (emit_block_move_via_libcall): Likewise.
2222         (emit_block_comp_via_libcall): Likewise.
2223         (block_clear_fn): Delete.
2224         (init_block_move_fn): Likewise.
2225         (init_block_clear_fn): Likewise.
2226         (emit_block_move_via_libcall): Likewise.
2227         (set_storage_via_libcall): Add default parameter value.
2228         * libfuncs.h (enum libfunc_index): Remove obsolete values.
2229         (abort_libfunc): Delete.
2230         (memcpy_libfunc): Likewise.
2231         (memmove_libfunc): Likewise.
2232         (memcmp_libfunc): Likewise.
2233         (memset_libfunc): Likewise.
2234         (setbits_libfunc): Likewise.
2235         (setjmp_libfunc): Likewise.
2236         (longjmp_libfunc): Likewise.
2237         (profile_function_entry_libfunc): Likewise.
2238         (profile_function_exit_libfunc): Likewise.
2239         (gcov_flush_libfunc): Likewise.
2240         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
2241         and DECL_VISIBILITY on the declaration.
2242         (init_optabs): Do not initialize obsolete libfuncs.
2243         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
2244         * tree-core.h (ECF_RET1): Define.
2245         (ECF_TM_PURE): Adjust.
2246         (ECF_TM_BUILTIN): Likewise.
2247         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
2248         (build_common_builtin_nodes): Initialize abort builtin.
2249         Add ECF_RET1 on memcpy, memmove and memset builtins.
2250         Pass final flags for alloca and alloca_with_align builtins.
2251         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
2252         obsolete builtins.
2253         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
2254         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
2255         set_storage_via_libcall and call emit_block_copy_via_libcall.
2256
2257 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
2258
2259         * config/i386/i386.md (*call_got_x32): Change operand 0 to
2260         DImode before it is passed to ix86_output_call_operand.
2261         (*call_value_got_x32): Ditto for operand 1.
2262
2263 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
2264
2265         PR rtl-optimization/70904
2266         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
2267         reload for wide mode.
2268
2269 2016-05-12  Marek Polacek  <polacek@redhat.com>
2270
2271         PR c/70756
2272         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
2273         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
2274         * langhooks.h (incomplete_type_error): Likewise.
2275         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
2276         parameter, pass it down to incomplete_type_error.
2277         * tree.h (size_in_bytes): New inline overload.
2278         (size_in_bytes_loc): Renamed from size_in_bytes.
2279
2280 2016-05-12  Richard Biener  <rguenther@suse.de>
2281
2282         PR tree-optimization/71059
2283         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
2284         nary before looking up or entering the expression into the VN
2285         hashes.
2286         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
2287         Make sure to re-use NARYs without result as inserted by
2288         phi-translation.
2289
2290 2016-05-12  Richard Biener  <rguenther@suse.de>
2291
2292         PR tree-optimization/71062
2293         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
2294         field.
2295         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2296         vars_contains_restrict if the var is a restrict tag.
2297         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
2298         do not disambiguate pointers against it.
2299         (dump_points_to_solution): Re-structure and adjust for new
2300         vars_contains_restrict flag.
2301         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
2302
2303 2016-05-12  Martin Liska  <mliska@suse.cz>
2304
2305         * doc/invoke.texi: Explain connection between
2306         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
2307
2308 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2309
2310         PR tree-optimization/71006
2311         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2312         consider COND_EXPR as a mask producer.
2313
2314 2016-05-12  Marek Polacek  <polacek@redhat.com>
2315
2316         PR driver/71063
2317         * opts.c (common_handle_option): Detect missing argument for --help^.
2318
2319 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2320
2321         PR target/70830
2322         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2323         when popping the PC and within an interrupt handler routine.
2324         Add missing tab to output of "ldmfd".
2325         (output_return_instruction): Output LDMFD with SP update rather
2326         than POP when returning from interrupt handler.
2327
2328 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
2329
2330         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
2331         TARGET_64BIT && TARGET_AVX512DQ.
2332         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
2333         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
2334         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
2335         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
2336         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
2337         (*vec_extractv4si_zext): Add avx512dq alternative.
2338         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
2339         use v instead of x constraint in other alternatives where possible.
2340
2341         * config/i386/sse.md (sse2_loadld): Use v instead of x
2342         constraint in alternatives 0,1,4.
2343
2344         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
2345         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
2346         v constraints instead of x and <pinsr_evex_isa> isa attribute.
2347
2348         PR target/71019
2349         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
2350         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
2351         is not emitted unless TARGET_AVX512BW.
2352         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
2353         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
2354         for the result operand.
2355
2356         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
2357         constraint instead of x in avx alternatives.  Use maybe_evex instead
2358         of vex prefix.
2359
2360         * config/i386/constraints.md (Yv): New constraint.
2361         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
2362         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
2363         * config/i386/i386.md (avx512fvecmode): New mode attr.
2364         (*pushtf): Use v constraint instead of x.
2365         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
2366         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
2367         (*absneg<mode>2): Use Yv constraint instead of x constraint.
2368         (*absnegtf2_sse): Likewise.
2369         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
2370         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
2371         avx512f alternatives.
2372         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
2373
2374 2016-05-12  Richard Biener  <rguenther@suse.de>
2375
2376         PR tree-optimization/71060
2377         * tree-data-ref.c (initialize_data_dependence_relation): Do not
2378         require exact match of DR_BASE_OBJECT but only matching address and
2379         type.
2380
2381 2016-05-12  Richard Biener  <rguenther@suse.de>
2382
2383         PR tree-optimization/70986
2384         * cfganal.c: Include cfgloop.h.
2385         (dfs_find_deadend): Prefer to take edges exiting loops.
2386
2387 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2388
2389         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
2390         compile and run time.
2391
2392 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
2393
2394         PR c/43651
2395         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
2396
2397 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
2398
2399         * config/i386/i386.c (legitimize_pic_address): Use
2400         copy_to_suggested_reg instead of gen_movsi.
2401
2402 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2403
2404         * config/rs6000/predicates.md (quad_memory_operand): Move most of
2405         the code into quad_address_p and call it to share code with
2406         vsx_quad_dform_memory_operand.
2407         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
2408         d-form support.
2409         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
2410         bit instead of being a separate word.  Split -mpower9-dform into
2411         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2412         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
2413         for the register class supporting 128-bit quad word memory offsets.
2414         (mode_supports_vsx_dform_quad): Helper function to return if the
2415         register class uses quad word memory offsets.
2416         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
2417         (rs6000_debug_reg_global): Always print if we are using LRA or not.
2418         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
2419         instructions are enabled, set up the appropriate addr_masks for
2420         128-bit types.
2421         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
2422         -mpower9-dform-scalar, instead of -mpower9-dform.
2423         (rs6000_option_override_internal): Split -mpower9-dform into two
2424         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
2425         -mpower9-dform switch sets or clears both.  If we are not using
2426         the LRA register allocator, do not enable -mpower9-dform-vector by
2427         default.  If we are using LRA, enable -mpower9-dform-vector and
2428         -mvsx-timode if it is appropriate.  Issue a warning if either
2429         -mpower9-dform-vector or -mvsx-timode are explicitly used without
2430         enabling LRA.
2431         (quad_address_offset_p): New helper function to return if the
2432         offset is legal for quad word memory instructions.
2433         (quad_address_p): New function to determin if GPR or vector
2434         register quad word memory addresses are legal.
2435         (mem_operand_gpr): Validate quad word address offsets.
2436         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
2437         d-form (register + offset) instructions.
2438         (offsettable_ok_by_alignment): Likewise.
2439         (rs6000_legitimate_offset_address_p): Likewise.
2440         (legitimate_lo_sum_address_p): Likewise.
2441         (rs6000_legitimize_address): Likewise.
2442         (rs6000_legitimize_reload_address): Add more debug statements for
2443         -mdebug=addr.
2444         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
2445         d-form instructions.
2446         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
2447         d-form instructions.  Distinguish different cases in debug
2448         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
2449         d-form instructions.
2450         (rs6000_preferred_reload_class): Likewise.
2451         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
2452         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
2453         of the ISA 2.06 indexed memory instructions.
2454         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
2455         use them to save/restore the saved vector registers instead of
2456         using Altivec instructions.
2457         (rs6000_emit_epilogue): Likewise.
2458         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
2459         (rs6000_opt_masks): Split -mpower9-dform into
2460         -mpower9-dform-scalar and -mpower9-dform-vector.
2461         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
2462         was not selected.
2463         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
2464         ISA 3.0 vector indexed memory instructions, and fold the code into
2465         the normal mov<mode> patterns.
2466         (p9_vecstore_<mode>): Likewise.
2467         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
2468         instructions.
2469         (vsx_movti_64bit): Likewise.
2470         (vsx_movti_32bit): Likewise.
2471         * config/rs6000/constraints.md (wO constraint): New constraint for
2472         ISA 3.0 vector d-form support.
2473         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
2474         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
2475         include -mpower9-dform-vector until we switch over to LRA.
2476         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
2477         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2478         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
2479         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2480         for -mpower9-dform and -mlra.
2481         * doc/md.texi (wO constraint): Document wO constraint.
2482
2483 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
2484
2485         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
2486         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
2487         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
2488         Move handling of non-insn arguments inline into the sole user:
2489         (output_trans_func): ...here.
2490         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
2491         in emitted function prototype.
2492         (output_internal_insn_latency_func): Ditto.  Simplify.
2493         (output_internal_maximal_insn_latency_func): Ditto.  Delete
2494         always-unused argument.
2495         (output_insn_latency_func): Ditto.
2496         (output_maximal_insn_latency_func): Ditto.
2497
2498 2016-05-11  Richard Biener  <rguenther@suse.de>
2499
2500         PR tree-optimization/71055
2501         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
2502         sth with precision not equal to access size verify we don't chop
2503         off bits.
2504
2505 2016-05-11  Richard Biener  <rguenther@suse.de>
2506
2507         PR debug/71057
2508         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
2509         (dwarf2out_finish): Move retry_incomplete_types call ...
2510         (dwarf2out_early_finish): ... here.
2511
2512 2016-05-11  Richard Biener  <rguenther@suse.de>
2513
2514         PR middle-end/71002
2515         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
2516         if the langhook insists on it.
2517         * fold-const.c (make_bit_field_ref): Add arg for the original
2518         reference and preserve its alias-set.
2519         (decode_field_reference): Take exp by reference and adjust it
2520         to the original memory reference.
2521         (optimize_bit_field_compare): Adjust callers.
2522         (fold_truth_andor_1): Likewise.
2523         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
2524
2525 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2526
2527         PR middle-end/70807
2528         * cfgrtl.h (delete_insn_and_edges): Now return bool.
2529         * cfgrtl.c (delete_insn_and_edges): Likewise.
2530         * config/i386/i386.c (convert_scalars_to_vector): Remove
2531         redundant code.
2532         * cse.c (cse_insn): Compute cse_cfg_altered.
2533         (delete_trivially_dead_insns): Likewise.
2534         (cse_cc_succs): Likewise.
2535         (rest_of_handle_cse): Free dominance info if required.
2536         (rest_of_handle_cse2): Likewise.
2537         (rest_of_handle_cse_after_global_opts): Likewise.
2538
2539 2016-05-11  Alan Modra  <amodra@gmail.com>
2540
2541         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2542         abi_v4_pass_in_fpr): New functions.
2543         (rs6000_function_arg_boundary): Exclude complex IBM long double
2544         from 64-bit alignment when ABI_V4.
2545         (rs6000_function_arg, rs6000_function_arg_advance_1,
2546         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2547
2548 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
2549
2550         PR rtl-optimization/71028
2551         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
2552         jump with just a return in the fallthrough block if the branch
2553         block contains just a return as well.
2554
2555 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
2556
2557         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
2558         * match.pd ((X & Y) ^ Y): ... this.
2559         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
2560         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
2561
2562 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2563
2564         * read-md.c (require_char_ws): New function.
2565         (read_string): Simplify using require_char_ws.
2566         (handle_constants): Likewise.
2567         (handle_enum): Likewise.
2568         (handle_file): Likewise.
2569         * read-md.h (require_char_ws): New declaration.
2570         * read-rtl.c (read_conditions): Simplify using require_char_ws.
2571         (read_mapping): Likewise.
2572         (read_rtx_code): Likewise.
2573         (read_nested_rtx): Likewise.
2574
2575 2016-05-10  James Norris  <jnorris@codesourcery.com>
2576
2577         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2578         if offloading is enabled and -fopenacc or -fopenmp is specified.
2579         (CRTOFFLOADEND): Likewise.
2580         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2581         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2582
2583 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
2584
2585         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
2586         gotoff_operand code paths.  Use copy_to_suggested_regs and
2587         expand_simple_binop where appropriate.  Cleanup.
2588
2589 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2590
2591         PR target/70799
2592         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
2593         integer constants.
2594         (dimode_scalar_chain::vector_const_cost): New.
2595         (dimode_scalar_chain::compute_convert_gain): Handle constants.
2596         (dimode_scalar_chain::convert_op): Likewise.
2597         (dimode_scalar_chain::convert_insn): Likewise.
2598
2599 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2600
2601         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
2602         unary operation, not a binary one.
2603
2604 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2605
2606         PR middle-end/70877
2607         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2608         calls with type casted fndecl.
2609
2610 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2611
2612         PR tree-optimization/70786
2613         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2614         * calls.c (initialize_argument_information): Bind bounds
2615         with corresponding args passed by reference.
2616
2617 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR target/70927
2620         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
2621         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
2622         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
2623         accordingly.
2624
2625 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2626
2627         PR target/70963
2628         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2629         code for a zero scale factor.
2630         (vsx_xvcvdpuxds_scale): Likewise.
2631
2632 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2633
2634         * diagnostic-show-locus.c (layout::layout): Call show_ruler
2635         if show_ruler_p was set on the context.
2636         (layout::show_ruler): New method.
2637         * diagnostic.h (struct diagnostic_context): Add field
2638         "show_ruler_p".
2639
2640 2016-05-10  Richard Biener  <rguenther@suse.de>
2641
2642         PR tree-optimization/71039
2643         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
2644         (chk_uses): New function.
2645         (propagate_with_phi): Verify we can safely replicate the lhs of an
2646         aggregate assignment on all incoming edges.
2647
2648 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
2649
2650         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
2651         Forward declare.
2652         (rx_atomic_sequence): New class.
2653         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
2654         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
2655         non-inline.
2656         (rx_atomic_sequence::rx_atomic_sequence,
2657         rx_atomic_sequence::~rx_atomic_sequence): New functions.
2658         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
2659         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
2660         CTRLREG_INTB): New constants.
2661         (FETCHOP): New code iterator.
2662         (fethcop_name, fetchop_name2): New iterator code attributes.
2663         (QIHI): New mode iterator.
2664         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
2665         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
2666         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
2667
2668 2016-05-10  Martin Liska  <mliska@suse.cz>
2669
2670         * tree-inline.c (remap_dependence_clique): Do not remap
2671         debugging statements.
2672
2673 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2674
2675         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2676         ("*fixuns_truncdfdi2_z13")
2677         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2678         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2679         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2680
2681 2016-05-10  Richard Biener  <rguenther@suse.de>
2682
2683         PR tree-optimization/70497
2684         PR tree-optimization/28367
2685         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
2686         split out from ...
2687         (visit_reference_op_load): ... here.
2688         (vn_reference_lookup_3): Use it to handle subreg-like accesses
2689         with simplified BIT_FIELD_REFs.
2690         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
2691         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
2692         correctly.
2693
2694 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2695
2696         * dwarf2out.c (add_abstract_origin_attribute): Adjust
2697         documentation comment.  For BLOCK nodes, add a
2698         DW_AT_abstract_origin attribute that points to the DIE generated
2699         for the origin BLOCK.
2700         (gen_lexical_block_die): Call add_abstract_origin_attribute for
2701         blocks from inlined functions.
2702
2703 2016-05-10  Alan Modra  <amodra@gmail.com>
2704
2705         PR target/70947
2706         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2707         regrename modifying insns saving lr before __morestack call.
2708         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2709         insns restoring lr after __morestack call.
2710
2711 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
2712
2713         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
2714         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
2715         expanders.
2716         * config/i386/sse.md (vec_interleave_high<mode>,
2717         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
2718         <avx512>_vpermt2var<mode>3_maskz): Likewise.
2719
2720 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2721
2722         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
2723         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
2724         parallel reassociation for power8 and forward.
2725
2726 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2727
2728         * config/i386/i386.md (absneg splitters with general regs): Use
2729         general_reg_operand predicate.
2730         (btsq peephole2): Use x86_64_immediate_operand to check if new
2731         value is suitable for immediate operand.  Generate emitted insn
2732         using RTL expressions.
2733         (btcq peephole2): Ditto.
2734         (btrq peephole2): Ditto.  Generate correct immediate operand
2735         for AND masking.
2736
2737 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2738
2739         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
2740         bitpos.
2741
2742 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2743
2744         * tree-affine.c (wide_int_constant_multiple_p): Add missing
2745         pointer dereference.
2746
2747 2016-05-09  Richard Biener  <rguenther@suse.de>
2748
2749         PR tree-optimization/70985
2750         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
2751         op0 isn't a gimple register.
2752
2753 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
2754
2755         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
2756         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
2757         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
2758         (i6400_fpu_mult): New cpu units.
2759         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
2760         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
2761         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
2762         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
2763         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
2764         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
2765         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
2766         (i6400_msa_long_float4, i6400_msa_long_float5)
2767         (i6400_msa_long_float8, i6400_msa_fdiv_df)
2768         (i6400_msa_fdiv_sf): New reservations.
2769         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
2770         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
2771         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
2772         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
2773         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
2774         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
2775         (msa_short_cmp, msa_short_float2, msa_short_logic3)
2776         (msa_short_store4, msa_long_load, msa_short_store)
2777         (msa_long_logic, msa_long_float2, msa_long_float4)
2778         (msa_long_float5, msa_long_float8, msa_long_mult)
2779         (msa_long_fdiv, msa_long_div): New reservations.
2780
2781 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
2782             Sameera Deshpande  <sameera.deshpande@imgtec.com>
2783             Matthew Fortune  <matthew.fortune@imgtec.com>
2784             Graham Stott  <graham.stott@imgtec.com>
2785             Chao-ying Fu  <chao-ying.fu@imgtec.com>
2786
2787         * config.gcc: Add MSA header file for mips*-*-* target.
2788         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
2789         (Ubv8i, Urv8):  New constraints.
2790         * config/mips/mips-ftypes.def: Add function types for MSA
2791         builtins.
2792         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
2793         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
2794         * config/mips/mips-msa.md: New file.
2795         * config/mips/mips-protos.h
2796         (mips_split_128bit_const_insns): New prototype.
2797         (mips_msa_idiv_insns): Likewise.
2798         (mips_split_128bit_move): Likewise.
2799         (mips_split_128bit_move_p): Likewise.
2800         (mips_split_msa_copy_d): Likewise.
2801         (mips_split_msa_insert_d): Likewise.
2802         (mips_split_msa_fill_d): Likewise.
2803         (mips_expand_msa_branch): Likewise.
2804         (mips_const_vector_same_val_p): Likewise.
2805         (mips_const_vector_same_bytes_p): Likewise.
2806         (mips_const_vector_same_int_p): Likewise.
2807         (mips_const_vector_shuffle_set_p): Likewise.
2808         (mips_const_vector_bitimm_set_p): Likewise.
2809         (mips_const_vector_bitimm_clr_p): Likewise.
2810         (mips_msa_vec_parallel_const_half): Likewise.
2811         (mips_msa_output_division): Likewise.
2812         (mips_ldst_scaled_shift): Likewise.
2813         (mips_expand_vec_cond_expr): Likewise.
2814         * config/mips/mips.c (enum mips_builtin_type): Add
2815         MIPS_BUILTIN_MSA_TEST_BRANCH.
2816         (mips_gen_const_int_vector_shuffle): New prototype.
2817         (mips_const_vector_bitimm_set_p): New function.
2818         (mips_const_vector_bitimm_clr_p): Likewise.
2819         (mips_const_vector_same_val_p): Likewise.
2820         (mips_const_vector_same_bytes_p): Likewise.
2821         (mips_const_vector_same_int_p): Likewise.
2822         (mips_const_vector_shuffle_set_p): Likewise.
2823         (mips_symbol_insns): Forbid loading symbols via immediate for
2824         MSA.
2825         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
2826         stores.
2827         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
2828         MSA.
2829         (mips_lx_address_p): Add support load indexed address for MSA.
2830         (mips_address_insns): Add calculation of instructions needed for
2831         stores and loads for MSA.
2832         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
2833         CONST_VECTOR for MSA and let it fall through.
2834         (mips_ldst_scaled_shift): New function.
2835         (mips_subword_at_byte): Likewise.
2836         (mips_msa_idiv_insns): Likewise.
2837         (mips_legitimize_move): Validate MSA moves.
2838         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
2839         calculation of costs for MSA division.
2840         (mips_split_move_p): Check if MSA moves need splitting.
2841         (mips_split_move): Split MSA moves if necessary.
2842         (mips_split_128bit_move_p): New function.
2843         (mips_split_128bit_move): Likewise.
2844         (mips_split_msa_copy_d): Likewise.
2845         (mips_split_msa_insert_d): Likewise.
2846         (mips_split_msa_fill_d): Likewise.
2847         (mips_output_move): Handle MSA moves.
2848         (mips_expand_msa_branch): New function.
2849         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
2850         Reinstate 'y' modifier.
2851         (mips_file_start): Add MSA .gnu_attribute.
2852         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
2853         FPRs.
2854         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
2855         (mips_class_max_nregs): Add register size for MSA supported mode.
2856         (mips_cannot_change_mode_class): Allow conversion between MSA
2857         vector modes and TImode.
2858         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
2859         instruction.
2860         (mips_secondary_reload_class): Force MSA loads/stores via memory.
2861         (mips_preferred_simd_mode): Add preffered modes for MSA.
2862         (mips_vector_mode_supported_p): Add MSA supported modes.
2863         (mips_autovectorize_vector_sizes): New function.
2864         (mips_msa_output_division): Likewise.
2865         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
2866         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
2867         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
2868         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
2869         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
2870         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
2871         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
2872         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
2873         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
2874         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
2875         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
2876         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
2877         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
2878         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
2879         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
2880         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
2881         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
2882         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
2883         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
2884         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
2885         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
2886         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
2887         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
2888         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
2889         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
2890         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
2891         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
2892         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
2893         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
2894         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
2895         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
2896         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
2897         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
2898         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
2899         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
2900         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
2901         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
2902         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
2903         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
2904         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
2905         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
2906         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
2907         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
2908         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
2909         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2910         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2911         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2912         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2913         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2914         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2915         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2916         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2917         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
2918         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
2919         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
2920         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
2921         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
2922         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
2923         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
2924         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
2925         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
2926         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
2927         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
2928         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
2929         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
2930         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
2931         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
2932         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
2933         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
2934         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
2935         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
2936         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
2937         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
2938         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
2939         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
2940         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
2941         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
2942         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
2943         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
2944         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
2945         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
2946         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
2947         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
2948         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
2949         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
2950         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
2951         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
2952         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
2953         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
2954         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
2955         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
2956         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
2957         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
2958         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
2959         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
2960         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
2961         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
2962         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
2963         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
2964         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
2965         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
2966         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
2967         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
2968         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
2969         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
2970         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
2971         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
2972         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
2973         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
2974         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
2975         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
2976         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
2977         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
2978         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
2979         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
2980         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
2981         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
2982         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
2983         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
2984         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
2985         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
2986         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
2987         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
2988         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
2989         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
2990         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
2991         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
2992         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
2993         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
2994         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
2995         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
2996         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
2997         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
2998         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
2999         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
3000         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
3001         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
3002         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
3003         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
3004         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
3005         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
3006         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
3007         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
3008         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
3009         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
3010         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
3011         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
3012         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
3013         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
3014         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
3015         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
3016         move_v builtins.
3017         (mips_get_builtin_decl_index): New array.
3018         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
3019         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
3020         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
3021         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
3022         (mips_init_builtins): Initialize mips_get_builtin_decl_index
3023         array.
3024         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
3025         hook.
3026         (mips_expand_builtin_insn): Prepare operands for
3027         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
3028         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
3029         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
3030         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
3031         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
3032         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
3033         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
3034         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
3035         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
3036         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
3037         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
3038         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
3039         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
3040         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
3041         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
3042         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
3043         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
3044         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
3045         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
3046         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
3047         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
3048         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
3049         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
3050         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
3051         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
3052         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
3053         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
3054         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
3055         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
3056         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
3057         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
3058         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
3059         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
3060         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
3061         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
3062         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
3063         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
3064         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
3065         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
3066         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
3067         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
3068         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
3069         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
3070         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
3071         These are set implicitly and an error is reported if overridden.
3072         (mips_expand_builtin_msa_test_branch): New function.
3073         (mips_expand_msa_shuffle): Likewise.
3074         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
3075         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
3076         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
3077         (mips_expand_vec_unpack): Add support for MSA.
3078         (mips_expand_vector_init): Likewise.
3079         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
3080         instead of const0_rtx.
3081         (mips_msa_vec_parallel_const_half): New function.
3082         (mips_gen_const_int_vector): Likewise.
3083         (mips_gen_const_int_vector_shuffle): Likewise.
3084         (mips_expand_msa_cmp): Likewise.
3085         (mips_expand_vec_cond_expr): Likewise.
3086         * config/mips/mips.h
3087         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
3088         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
3089         specified.
3090         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
3091         (ISA_HAS_MSA): New macro.
3092         (UNITS_PER_MSA_REG): Likewise.
3093         (BITS_PER_MSA_REG): Likewise.
3094         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
3095         (MSA_REG_FIRST): New macro.
3096         (MSA_REG_LAST): Likewise.
3097         (MSA_REG_NUM): Likewise.
3098         (MSA_REG_P): Likewise.
3099         (MSA_REG_RTX_P): Likewise.
3100         (MSA_SUPPORTED_MODE_P): Likewise.
3101         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
3102         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
3103         * config/mips/mips.md: Include mips-msa.md.
3104         (alu_type): Add simd_add.
3105         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
3106         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
3107         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
3108         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
3109         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
3110         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
3111         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
3112         simd_move, simd_load, simd_store.  Choose "multi" for moves
3113         for "qword_mode".
3114         (qword_mode): New attribute.
3115         (insn_count): Add instruction count for quad moves.
3116         Increase the count for MIPS SIMD division.
3117         (UNITMODE): Add UNITMODEs for vector types.
3118         (addsub): New code iterator.
3119         * config/mips/mips.opt (mmsa): New option.
3120         * config/mips/msa.h: New file.
3121         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
3122         specified.
3123         * config/mips/mti-linux.h: Likewise.
3124         * config/mips/predicates.md
3125         (const_msa_branch_operand): New constraint.
3126         (const_uimm3_operand): Likewise.
3127         (const_uimm4_operand): Likewise.
3128         (const_uimm5_operand): Likewise.
3129         (const_uimm8_operand): Likewise.
3130         (const_imm5_operand): Likewise.
3131         (aq10b_operand): Likewise.
3132         (aq10h_operand): Likewise.
3133         (aq10w_operand): Likewise.
3134         (aq10d_operand): Likewise.
3135         (const_m1_operand): Likewise.
3136         (reg_or_m1_operand): Likewise.
3137         (const_exp_2_operand): Likewise.
3138         (const_exp_4_operand): Likewise.
3139         (const_exp_8_operand): Likewise.
3140         (const_exp_16_operand): Likewise.
3141         (const_vector_same_val_operand): Likewise.
3142         (const_vector_same_simm5_operand): Likewise.
3143         (const_vector_same_uimm5_operand): Likewise.
3144         (const_vector_same_uimm6_operand): Likewise.
3145         (const_vector_same_uimm8_operand): Likewise.
3146         (par_const_vector_shf_set_operand): Likewise.
3147         (reg_or_vector_same_val_operand): Likewise.
3148         (reg_or_vector_same_simm5_operand): Likewise.
3149         (reg_or_vector_same_uimm6_operand): Likewise.
3150         * doc/extend.texi (MIPS SIMD Architecture Functions): New
3151         section.
3152         * doc/invoke.texi (-mmsa): Document new option.
3153
3154 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3155
3156         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
3157         * configure: Regenerate.
3158         * config.in: Regenerate.
3159         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
3160         on -fvtable-verify.
3161         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
3162         (ENDFILE_VTV_SPEC): Define.
3163
3164 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
3165
3166         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
3167         registers in all interrupt handlers if necessary.
3168         (rl78_option_override): Add warning.
3169         (MUST_SAVE_MDUC_REGISTERS): New macro.
3170         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
3171         * config/rl78/rl78.c (check_mduc_usage): New function.
3172         (mduc_regs): New structure to hold MDUC register data.
3173         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
3174         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
3175         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
3176         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
3177         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
3178         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
3179
3180 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
3181
3182         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
3183         (tree-ssa-loop-niter.h): Ditto.
3184         (idx_within_array_bound, ref_within_array_bound): New functions.
3185         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
3186         Factor out check on writable base object to ...
3187         (base_object_writable): ... here.
3188
3189 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3190
3191         * config/arm/arm.md (probe_stack): Add modes to set source
3192         and destination.
3193
3194 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
3195
3196         * regrename.c (base_reg_class_for_rename): New static function.
3197         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
3198
3199 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
3200
3201         * cgraph.c (thunk_adjust): Export.
3202         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
3203         * cgraphunit.c (thunk_adjust): Export.
3204         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
3205         thunks.
3206         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
3207         inlinable.
3208         * tree-inline.c (expand_call_inline): Expand thunks inline.
3209
3210 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
3211
3212         PR target/70998
3213         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
3214         (*sse2_vd_cvtss2sd): Ditto.
3215         * config/i386/i386.md
3216         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
3217         Generate *sse2_vd_cvtsd2ss pattern.
3218         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
3219         Generate *sse2_vd_cvtss2sd pattern.
3220
3221 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3222
3223         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
3224         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
3225         users.
3226
3227 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3228
3229         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
3230         * config/sh/sh.c: Define and declare variables on first use throughout
3231         the file.
3232         (current_function_interrupt): Change to bool type.
3233         (frame_insn): Rename to emit_frame_insn and update users.
3234         (push_regs): Use bool for 'interrupt_handler' argument.
3235         (save_schedule_s): Remove.
3236         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
3237         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
3238         targetm.asm_out.unaligned_op.di.
3239         (gen_far_branch): Remove redundant forward declaration.
3240         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
3241         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
3242         (sh_set_return_address, sh_function_ok_for_sibcall,
3243         scavenge_reg): Update comments.
3244         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
3245         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
3246         (sh_attr_renesas_p): Remove unnecessary parentheses.
3247         (branch_dest): Simplify.
3248         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
3249         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
3250         (CUMULATIVE_ARGS): Change macro to typedef.
3251         (current_function_interrupt): Change to bool type.
3252         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
3253         Surround with __cplusplus ifdef.
3254         (sh_compare_op0, sh_compare_op1): Remove.
3255         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
3256
3257 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
3258
3259         * config/arm/arm.md: (arch): Add neon.
3260         (arch_enabled): Return yes for arch neon when TARGET_NEON.
3261         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
3262         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
3263         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
3264         attributes for alt renumbering.  Mark alt 3 as non-predicable.
3265         (thumb2_movdf_vfp): Likewise.
3266
3267 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
3268
3269         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
3270         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
3271         (*andqi_1): Add preferred_for_speed attribute to disparage
3272         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
3273         (*<code>qi_1): Ditto.
3274         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
3275         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
3276         (*ashlqi3_1): Ditto.
3277         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
3278         Add preferred_for_size attribute to disparage alternative 0 and
3279         preferred_for_speed attribute to disparage alternative 1 for
3280         TARGET_PARTIAL_REG_STALL targets.
3281
3282 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3283
3284         PR tree-optimization/70956
3285         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3286         def.
3287
3288 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3289
3290         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
3291         * config/sh/sh.c (sh_cbranch_distance): Implement it.
3292         * config/sh/sh.md (branch_zero): Remove define_attr.
3293         (define_delay): Disable delay slot if branch distance is one insn.
3294
3295 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3296
3297         * config/i386/i386.md (LEAMODE): New mode attribute.
3298         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
3299         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
3300         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
3301         operand 2 predicate.
3302         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
3303         (*lea<mode>_general_3): Ditto.
3304         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
3305
3306 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3307
3308         * genmddump.c (main): Convert argv from char ** to const char **.
3309
3310 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3311
3312         * coretypes.h (OVERRIDE): New macro.
3313         (FINAL): New macro.
3314
3315 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3316
3317         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
3318         allow coalescing if the types are compatible.
3319
3320 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3321
3322         * pass_manager.h (pass_manager::register_pass_name): New method.
3323         (pass_manager::get_pass_by_name): New method.
3324         (pass_manager::create_pass_tab): New method.
3325         (pass_manager::m_name_to_pass_map): New field.
3326         * passes.c (name_to_pass_map): Delete global in favor of field
3327         "m_name_to_pass_map" of pass_manager.
3328         (register_pass_name): Rename from a function to...
3329         (pass_manager::register_pass_name): ...this method, updating
3330         for renaming of global "name_to_pass_map" to field
3331         "m_name_to_pass_map".
3332         (create_pass_tab): Rename from a function to...
3333         (pass_manager::create_pass_tab): ...this method, updating
3334         for renaming of global "name_to_pass_map" to field.
3335         (get_pass_by_name): Rename from a function to...
3336         (pass_manager::get_pass_by_name): ...this method.
3337         (enable_disable_pass): Convert use of get_pass_by_name to
3338         a method call, locating the pass_manager singleton.
3339
3340 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3341
3342         * genattr-common.c (main): Convert argv from char ** to const char **.
3343         * genattr.c (main): Likewise.
3344         * genattrtab.c (main): Likewise.
3345         * genautomata.c (initiate_automaton_gen): Likewise.
3346         (main): Likewise.
3347         * gencodes.c (main): Likewise.
3348         * genconditions.c (main): Likewise.
3349         * genconfig.c (main): Likewise.
3350         * genconstants.c (main): Likewise.
3351         * genemit.c (main): Likewise.
3352         * genenums.c (main): Likewise.
3353         * genextract.c (main): Likewise.
3354         * genflags.c (main): Likewise.
3355         * genmddeps.c (main): Likewise.
3356         * genopinit.c (main): Likewise.
3357         * genoutput.c (main): Likewise.
3358         * genpeep.c (main): Likewise.
3359         * genpreds.c (main): Likewise.
3360         * genrecog.c (main): Likewise.
3361         * gensupport.c (init_rtx_reader_args_cb): Likewise.
3362         (init_rtx_reader_args): Likewise.
3363         * gensupport.h (init_rtx_reader_args_cb): Likewise.
3364         (init_rtx_reader_args): Likewise.
3365         * gentarget-def.c (main): Likewise.
3366         * read-md.c (read_md_files): Likewise.
3367         * read-md.h (read_md_files): Likewise.
3368
3369 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3370
3371         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
3372         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
3373         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
3374         Remove unused predicate.
3375         (register_and_not_fp_reg_operand): Ditto.
3376
3377 2016-05-06  Martin Liska  <mliska@suse.cz>
3378
3379         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
3380         instead of vec as the vector is local to the function.
3381
3382 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3383
3384         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
3385         avx512bw alternative.
3386
3387         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
3388         before the ashr<mode>3 pattern.
3389
3390         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
3391         v instead of x in vex or maybe_vex alternatives, use
3392         maybe_evex instead of vex in prefix.
3393
3394         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
3395         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
3396         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
3397         in vex or maybe_vex alternatives, use maybe_evex instead of vex
3398         in prefix.
3399
3400         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
3401         v instead of x in vex or maybe_vex alternatives, use
3402         maybe_evex instead of vex in prefix.
3403
3404         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
3405         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
3406         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
3407         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
3408         alternatives, use maybe_evex instead of vex in prefix.
3409
3410         * config/i386/sse.md (vec_interleave_lowv4sf,
3411         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
3412         v instead of x in vex or maybe_vex alternatives, use
3413         maybe_evex instead of vex in prefix.
3414
3415         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
3416         v instead of x in vex or maybe_vex alternatives, use
3417         maybe_evex instead of vex in prefix.
3418
3419         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
3420         v constraint instead of x.
3421
3422 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3423
3424         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3425         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3426         equality first.
3427
3428 2016-05-06  Richard Biener  <rguenther@suse.de>
3429
3430         PR tree-optimization/70948
3431         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
3432         Properly clobber all fields of va_list for __builtin_va_start.
3433
3434 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3435
3436         PR debug/70935
3437         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3438         loop latch destination.
3439
3440 2016-05-06  Martin Liska  <mliska@suse.cz>
3441
3442         * tree-ssa-uninit.c: Apply manual changes
3443         to the GNU coding style.
3444         (prune_uninit_phi_opnds): Rename from
3445         prune_uninit_phi_opnds_in_unrealizable_paths.
3446
3447 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3448
3449         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
3450         mspace): Remove deprecated options.
3451         * doc/invoke.texi (SH options): Remove -mspace.
3452
3453 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3454
3455         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
3456
3457 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3458
3459         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
3460         corresponding combine split pattern.
3461
3462 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3463
3464         PR target/58219
3465         * config/sh/predicates.md (long_displacement_mem_operand): New.
3466         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
3467         Add movi20, movi20s alternatives.  Adjust length attribute for
3468         alternatives.
3469         (movsi_ie): Allow for any FPU.  Adjust length attribute for
3470         alternatives.
3471         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
3472         attribute for alternatives.
3473         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
3474         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
3475         length attribute for alternatives.
3476
3477 2016-05-06  Richard Biener  <rguenther@suse.de>
3478
3479         PR tree-optimization/70960
3480         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
3481
3482 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3483
3484         PR target/52933
3485         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
3486         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
3487
3488 2016-05-06  Marek Polacek  <polacek@redhat.com>
3489
3490         PR sanitizer/70875
3491         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3492
3493 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3494
3495         PR target/54089
3496         * config/sh/sh.md (*rotcr): Add another variant.
3497
3498 2016-05-06  Richard Biener  <rguenther@suse.de>
3499
3500         PR middle-end/70931
3501         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3502
3503 2016-05-06  Richard Biener  <rguenther@suse.de>
3504
3505         PR middle-end/70941
3506         * fold-const.c (split_tree): Always convert to the original type
3507         before negating.
3508
3509 2016-05-06  Richard Biener  <rguenther@suse.de>
3510
3511         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
3512         (fwprop_addr): Likewise.
3513
3514 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3515
3516         PR target/70873
3517         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
3518         New prototype.
3519         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
3520         * config/i386/i386.md (push mem splitter): Use find_constant_src in
3521         the splitter condition.
3522         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
3523         the splitter condition.
3524         (FP float_extend load splitter): Ditto.
3525
3526 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
3527
3528         * config/i386/i386.md (peehole2 patterns): Change true_regnum
3529         to REGNO in all peephole2 patterns.
3530         (post-reload splitters): Change true_regnum to REGNO in
3531         post-reload splitters.
3532         (zero_extend splitters): Use general_reg_operand and
3533         nonimmediate_gr_operand predicates.
3534
3535 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
3536
3537         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
3538         v constraint instead of x.
3539
3540 2016-05-05  Alan Modra  <amodra@gmail.com>
3541
3542         PR target/68662
3543         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3544         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
3545         TARGET_NO_FP_IN_TOC for -mrelocatable.
3546         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
3547         TARGET_RELOCATABLE test.
3548         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3549         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3550         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3551         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3552         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3553         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3554         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3555         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3556         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3557         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3558         Likewise.
3559         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
3560         (rs6000_stack_info): Likewise.
3561         (rs6000_elf_asm_out_constructor): Likewise.
3562         (rs6000_elf_asm_out_destructor): Likewise.
3563         (rs6000_elf_declare_function_name): Likewise.
3564         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
3565         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
3566         Don't define.
3567
3568 2016-05-05  Alan Modra  <amodra@gmail.com>
3569
3570         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
3571
3572 2016-05-05  Alan Modra  <amodra@gmail.com>
3573
3574         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
3575         out-of-line gpr restore for one or two regs if that would add
3576         a save of lr.
3577
3578 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
3579
3580         PR target/70873
3581         * config/i386/i386.md
3582         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
3583         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
3584         as operand 0 predicate.
3585         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
3586         Ditto.
3587         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
3588         Ditto.  Emit the pattern using RTX.
3589
3590         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
3591         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
3592         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
3593         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
3594         Ditto.
3595         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
3596         sse_reg_operand as operand 0 predicate.
3597
3598         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
3599         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
3600         instead of gen_rtx_REG.
3601         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
3602         Ditto.
3603
3604 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3605
3606         * function.c (emit_use_return_register_into_block): Delete.
3607         (gen_return_pattern): Delete.
3608         (emit_return_into_block): Delete.
3609         (active_insn_between): Delete.
3610         (convert_jumps_to_returns): Delete.
3611         (emit_return_for_exit): Delete.
3612         (thread_prologue_and_epilogue_insns): Delete all code dealing with
3613         simple_return for shrink-wrapped blocks.
3614         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
3615         end of blocks that need one.
3616         (get_unconverted_simple_return): Delete.
3617         (convert_to_simple_return): Delete.
3618         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
3619         (convert_to_simple_return): Ditto.
3620
3621 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3622
3623         * cfgcleanup.c (bb_is_just_return): New function.
3624         (try_optimize_cfg): Simplify jumps to return, branches to return,
3625         and branches around return.
3626
3627 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3628
3629         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
3630         branch to a return.
3631
3632 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3633
3634         PR c++/70906
3635         PR c++/70933
3636         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
3637         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
3638         assert flags & OEP_HASH_CHECK, instead of asserting it
3639         never happens.  Handle TARGET_EXPR.
3640         * fold-const.c (operand_equal_p): For hash verification,
3641         or in OEP_HASH_CHECK into flags.
3642
3643 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3644
3645         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3646         comment.
3647         (compute_samebase_partition_bases): Fix typo.
3648
3649 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3650
3651         * config/i386/sse.md (vec_interleave_highv8sf,
3652         vec_interleave_lowv8sf, vec_interleave_highv4df,
3653         vec_interleave_lowv4df): Remove constraints from expanders.
3654
3655         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
3656
3657 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3658
3659         * tree-inline.c (expand_call_inline): Fix path dealing with
3660         making lhs of call statement undefined.
3661
3662 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3663
3664         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
3665         Check availability on NODE, too.
3666         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
3667         (cgraph_node::call_for_symbol_and_aliases): Likewise.
3668         (varpool_node::call_for_symbol_and_aliase): Likewise.
3669         * ipa-pure-const.c (add_new_function): Analyze all bodies.
3670         (propagate_pure_const): Propagate across interposable functions, too.
3671         (skip_function_for_local_pure_const): Do not skip interposable bodies
3672         with aliases.
3673         (pass_local_pure_const::execute): Update.
3674
3675 2016-05-04  Marek Polacek  <polacek@redhat.com>
3676
3677         * doc/invoke.texi: Document -Wdangling-else.
3678
3679 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3680
3681         * config.gcc: Error out when conflicting multilib is detected.  Do not
3682         loop over multilibs since no combination is legal.
3683
3684 2016-05-04  Alan Modra  <amodra@gmail.com>
3685
3686         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
3687         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
3688         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3689         Align .toc.
3690
3691 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
3692
3693         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
3694         Clean up p5600 comments.
3695
3696 2016-05-04  Richard Biener  <rguenther@suse.de>
3697
3698         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
3699         constructor simplifications.
3700         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
3701
3702 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
3703
3704         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
3705         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
3706         result.set_rtx is null instead of aborting.
3707         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
3708         Always enable.
3709         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
3710         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
3711         *mov<mode>_store_postinc): New patterns.
3712
3713 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
3714
3715         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
3716         as commutative.  Check both conversions are NOP.
3717         ((A & B) OP (C & B)): Remove.
3718
3719 2016-05-04  Alan Modra  <amodra@gmail.com>
3720
3721         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
3722
3723 2016-05-04  Alan Modra  <amodra@gmail.com>
3724
3725         PR target/70866
3726         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
3727         when cr2,3,4 are all fixed regs.
3728
3729 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
3730
3731         PR rtl-optimization/57193
3732         * opts.c (default_options_table): Revert OPT_frename_registers change.
3733         * doc/invoke.texi (-frename-registers, -O2): Likewise.
3734
3735 2016-05-03  Martin Sebor  <msebor@redhat.com>
3736
3737         PR c++/66561
3738         * builtins.c (fold_builtin_FILE): New function.
3739         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
3740         (fold_builtin_0): Call them.
3741         * gimplify.c (gimplify_call_expr): Remove the handling of
3742         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
3743
3744         PR c++/66561
3745         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
3746         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
3747         constants.
3748
3749         PR c++/66639
3750         * doc/extend.texi (Function Names as Strings): Update __func__,
3751         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
3752         constants.
3753
3754 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3755             Richard Biener  <rguenther@suse.de>
3756
3757         PR tree-optimization/70916
3758         * tree-if-conv.c: Include cfganal.h.
3759         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
3760         and remove_fake_exit_edges around the optimization pass.
3761
3762 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3763
3764         * cgraph.c (symbol_table::create_edge): Set inline_failed.
3765         (cgraph_edge::make_direct): Likewise.
3766         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
3767         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
3768         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
3769         (CIF_THUNK): New code.
3770         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
3771         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
3772         (compute_inline_parameters): Set inline_failed for thunks.
3773         (inline_analyze_function): Cleanup.
3774         * ipa-inline.c (can_inline_edge_p): Do not deal with
3775         call_stmt_cannot_inline_p.
3776         (can_early_inline_edge_p): Likewise.
3777         (early_inliner): Initialize inline_failed.
3778         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
3779
3780 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
3781
3782         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
3783         from nonimm_ssenomem_operand.
3784         (nonimm_ssenomem_operand): New predicate.
3785         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
3786         as operand 0 predicate.
3787         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
3788         Disable unsupported alternatives using "enabled" attribute.
3789         Use register_ssemem_operand as operand 0 predicate.
3790         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
3791
3792 2016-05-03  Marek Polacek  <polacek@redhat.com>
3793
3794         PR c/70859
3795         * input.c (expansion_point_location): New function.
3796         * input.h (expansion_point_location): Declare.
3797
3798 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3799
3800         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3801         occurence with frame_offset_ ones.
3802
3803 2016-05-03  Alan Modra  <amodra@gmail.com>
3804
3805         PR rtl-optimization/70890
3806         * ira.c (combine_and_move_insns): When moving def_insn, remove
3807         equivs on use_insn.
3808
3809 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3810
3811         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
3812         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
3813         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
3814         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
3815
3816 2016-05-03  Alan Modra  <amodra@gmail.com>
3817
3818         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
3819         for SAVE_MULTIPLE/STORE_MULTIPLE.
3820
3821 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3822
3823         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
3824         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
3825
3826 2016-05-03  Richard Biener  <rguenther@suse.de>
3827
3828         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
3829         default true.
3830         (gimplify_arg): Likewise.
3831         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
3832         re-writing the result to a decl if required.
3833         (internal_get_tmp_var): Add allow_ssa parameter
3834         and override into_ssa with it.
3835         (get_formal_tmp_var): Adjust.
3836         (get_initialized_tmp_var): Add allow_ssa parameter.
3837         (gimplify_arg): Add allow_ssa parameter and avoid generating
3838         SSA names for the result false.
3839         (gimplify_call_expr): If the call may return twice do not
3840         gimplify parameters into SSA.
3841         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
3842         (gimplify_modify_expr): Adjust assert.  For noreturn calls
3843         with a SSA name LHS adjust its def.
3844         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
3845         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
3846         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
3847         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
3848         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
3849         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
3850         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
3851         (optimize_target_teams): Do not allow SSA names for clause operands.
3852         (gimplify_expr): Likewise for where we mark the result addressable.
3853         * passes.def (pass_init_datastructures): Remove.
3854         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
3855         (rewrite_stmt): Likewise.
3856         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
3857         (replace_locals_op): Replace SSA names.
3858         (copy_gimple_seq_and_replace_locals): Init src_cfun.
3859         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
3860         * cgraph.c (release_function_body): Free CFG annotations only
3861         when we have a CFG.  Simplify.
3862         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3863         force_gimple_operand instead of get_initialized_tmp_var.
3864         * tree-pass.h (make_pass_init_datastructures): Remove.
3865         * tree-ssa.c (execute_init_datastructures): Remove.
3866         (pass_data_init_datastructures): Likewise.
3867         (class pass_init_datastructures): Likewise.
3868         (make_pass_init_datastructures): Likewise.
3869         * omp-low.c (create_omp_child_function): Init SSA data structures.
3870         (grid_expand_target_grid_body): Likewise.
3871         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
3872         name before adding it to names_to_release.
3873         (remove_bb): Always release SSA defs.
3874         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
3875         before dereferencing it.
3876         * cgraphunit.c (init_lowered_empty_function): Always
3877         int SSA data structures.
3878         * tree-ssanames.c (release_defs): Remove assert that we are in
3879         SSA form.
3880         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
3881
3882 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3883             Uros Bizjak  <ubizjak@gmail.com>
3884
3885         PR rtl-optimization/70467
3886         * config/i386/predicates.md (x86_64_hilo_int_operand,
3887         x86_64_hilo_general_operand): New predicates.
3888         * config/i386/constraints.md (Wd): New constraint.
3889         * config/i386/i386.md (mode attr di): Use Wd instead of e.
3890         (general_hilo_operand): New mode attr.
3891         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
3892         instead of <general_operand>.
3893         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
3894         x86_64_hilo_general_operand instead of <general_operand>.
3895
3896 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3897
3898         PR tree-optimization/70916
3899         * tree-if-conv.c (constant_or_ssa_name): Removed.
3900         (fold_build_cond_expr): Use is_gimple_val instead of
3901         constant_or_ssa_name.
3902
3903         PR tree-optimization/70916
3904         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3905         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3906
3907         PR target/49244
3908         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
3909         (optimize_atomic_bit_test_and): New function.
3910         (pass_fold_builtins::execute): Use it.
3911         * optabs.def (atomic_bit_test_and_set_optab,
3912         atomic_bit_test_and_complement_optab,
3913         atomic_bit_test_and_reset_optab): New optabs.
3914         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
3915         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
3916         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
3917         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
3918         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
3919         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
3920         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
3921         * doc/md.texi (atomic_bit_test_and_set@var{mode},
3922         atomic_bit_test_and_complement@var{mode},
3923         atomic_bit_test_and_reset@var{mode}): Document.
3924         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
3925         atomic_bit_test_and_complement<mode>,
3926         atomic_bit_test_and_reset<mode>): New expanders.
3927         (atomic_bit_test_and_set<mode>_1,
3928         atomic_bit_test_and_complement<mode>_1,
3929         atomic_bit_test_and_reset<mode>_1): New insns.
3930
3931 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
3932
3933         PR rtl-optimization/70687
3934         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
3935         instead of unsigned HOST_WIDE_INT.
3936
3937 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
3938
3939         PR rtl-optimization/44281
3940         * hard-reg-set.h (struct target_hard_regs): New field
3941         x_fixed_nonglobal_reg_set.
3942         (fixed_nonglobal_reg_set): New macro.
3943         * reginfo.c (init_reg_sets_1): Initialize it.
3944         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
3945         of fixed_reg_set.
3946         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
3947
3948 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3949
3950         PR tree-optimization/56541
3951         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
3952         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
3953         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
3954         (any_complicated_phi): new static variable.
3955         (aggressive_if_conv): delete.
3956         (if_convertible_phi_p): support phis with more than two arguments.
3957         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
3958         critical pred edges.
3959         (ifcvt_split_critical_edges): support phis with more than two
3960         arguments by checking new parameter.  only split critical edges
3961         if needed.
3962         (tree_if_conversion): handle simd pragma marked loop using new
3963         local variable aggressive_if_conv.  check any_complicated_phi.
3964
3965 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3966
3967         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
3968         before using it.
3969
3970 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3971
3972         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
3973         cbase.
3974
3975 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
3976
3977         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
3978         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
3979         define_insn_and_split.
3980         (mulsi3_i): New define_insn_and_split.
3981         (mulsi3_call): Convert to define_insn.
3982         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
3983         Remove constraints.
3984
3985 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3986
3987         * machmode.h (mode_complex): Add support to give the complex mode
3988         for a given mode.
3989         (GET_MODE_COMPLEX_MODE): Likewise.
3990         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
3991         stored by build_complex_type and gfc_build_complex_type instead of
3992         trying to figure out the appropriate mode based on the size. Raise
3993         an assertion error, if the type was not set.
3994         * genmodes.c (struct mode_data): Add field for the complex type of
3995         the given type.
3996         (blank_mode): Likewise.
3997         (make_complex_modes): Remember the complex mode created in the
3998         base type.
3999         (emit_mode_complex): Write out the mode_complex array to map a
4000         type mode to the complex version.
4001         (emit_insn_modes_c): Likewise.
4002         * tree.c (build_complex_type): Set the complex type to use before
4003         calling layout_type.
4004         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
4005         support for __float128 complex datatypes.
4006         (rs6000_hard_regno_mode_ok): Likewise.
4007         (rs6000_setup_reg_addr_masks): Likewise.
4008         (rs6000_complex_function_value): Likewise.
4009         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
4010         __float128 and __ibm128 complex.
4011         (FLOAT128_IBM_P): Likewise.
4012         (ALTIVEC_ARG_MAX_RETURN): Likewise.
4013         * doc/extend.texi (Additional Floating Types): Document that
4014         -mfloat128 must be used to enable __float128.  Document complex
4015         __float128 and __ibm128 support.
4016
4017 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4018
4019         PR target/49244
4020         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
4021         char/short arguments promoted to int because of promote_prototypes.
4022
4023 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4024
4025         * config/i386/predicates.md (register_ssemem_operand): New predicate.
4026         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
4027         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
4028         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
4029         alternatives using "enabled" attribute.  Use register_ssemem_operand
4030         as operand 1 predicate.
4031         (*cmpi<unord>xf_i387): Split XFmode pattern from
4032         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
4033         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
4034         *absneg<mode>2_i387.  Disable unsupported alternatives using
4035         "enabled" attribute.
4036         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
4037
4038 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4039
4040         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
4041         marker.
4042         (oacc_loop_process): Check mask for loop termination.
4043
4044 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
4045
4046         * cif-code.def (CIF_THUNK): Add.
4047         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
4048         accidental change.
4049
4050 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
4051
4052         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
4053         (dump_inline_summary): Dump it.
4054         (fp_expression_p): New predicate.
4055         (estimate_function_body_sizes): Use it.
4056         (inline_merge_summary): Merge fp_expressions.
4057         (inline_read_section): Read fp_expressions.
4058         (inline_write_summary): Write fp_expressions.
4059         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
4060         codegen boundary if either caller or callee is !fp_expressions.
4061         * ipa-inline.h (inline_summary): Add fp_expressions.
4062         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
4063         to fp_expressions be sure the fp generation flags are updated.
4064
4065 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
4066
4067         PR rtl-optimization/70467
4068         * cse.c (cse_insn): Handle no-op MEM moves after folding.
4069
4070         PR rtl-optimization/70467
4071         * ipa-pure-const.c (check_call): Handle internal calls even in
4072         ipa mode like in local mode.
4073
4074 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4075
4076         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
4077
4078 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4079
4080         * match.pd (X u< X, X u> X): New transformations.
4081
4082 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
4083
4084         * flag-types.h (enum warn_strict_overflow_code): Move ...
4085         * coretypes.h: ... here.
4086         * fold-const.h (fold_overflow_warning): Declare.
4087         * fold-const.c (fold_overflow_warning): Make non-static.
4088         (fold_comparison): Move the transformation of X +- C1 CMP C2
4089         into X CMP C2 -+ C1 ...
4090         * match.pd: ... here.
4091         * gimple-fold.c (fold_stmt_1): Protect with
4092         fold_defer_overflow_warnings.
4093
4094 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4095
4096         * omp-low.c (struct oacc_loop): Add 'inner' field.
4097         (new_oacc_loop_raw): Initialize it to zero.
4098         (oacc_loop_fixed_partitions): Initialize it.
4099         (oacc_loop_auto_partitions): Partition outermost loop to outermost
4100         available partitioning.
4101
4102 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4103
4104         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
4105         register_operand.
4106         (umulsidi3): Likewise.
4107         (indirect_jump): Fix jump instruction assembly patterns.
4108
4109 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
4110
4111         PR target/70860
4112         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
4113         (nvptx_function_value): Assert non-NULL cfun.
4114
4115 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
4116
4117         PR rtl-optimization/70886
4118         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
4119
4120         * cselib.h (rtx_equal_for_cselib_1): Declare.
4121         (rtx_equal_for_cselib_p: New inline function.
4122         * cselib.c (rtx_equal_for_cselib_p): Delete.
4123         (rtx_equal_for_cselib_1): Make public.
4124
4125 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
4126
4127         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
4128         (register_mixssei387nonimm_operand): Remove predicate.
4129         * config/i386/i386.md (*fop_<mode>_comm): Merge from
4130         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
4131         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
4132         for TARGET_MIX_SSE_I387 alternatives.
4133         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
4134         Disable unsupported alternatives using "enabled" attribute.  Use
4135         nonimm_ssenomem_operand as operand 1 predicate.  Also check
4136         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
4137
4138 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4139
4140         * tree.c (cst_and_fits_in_hwi): Simplify.
4141
4142 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4143
4144         * tree.h (wi::to_wide): New function.
4145         * expr.c (expand_expr_real_1): Use wi::to_wide.
4146         * fold-const.c (int_const_binop_1): Likewise.
4147         (extract_muldiv_1): Likewise.
4148
4149 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4150
4151         * wide-int.h: Update offset_int and widest_int documentation.
4152         (WI_SIGNED_SHIFT_RESULT): New macro.
4153         (wi::binary_shift): Define signed_shift_result_type for
4154         shifts on offset_int- and widest_int-like types.
4155         (generic_wide_int): Support <<= and >>= if << and >> are supported.
4156         * tree.h (int_bit_position): Use shift operators instead of wi::
4157          shifts.
4158         * alias.c (adjust_offset_for_component_ref): Likewise.
4159         * expr.c (get_inner_reference): Likewise.
4160         * fold-const.c (fold_comparison): Likewise.
4161         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
4162         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
4163         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4164         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
4165         (stmt_kills_ref_p): Likewise.
4166         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
4167         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
4168         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4169         (ao_ref_init_from_vn_reference): Likewise.
4170
4171 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4172
4173         * wide-int.h: Update offset_int and widest_int documentation.
4174         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
4175         (wi::binary_traits): Allow ordered comparisons between offset_int and
4176         offset_int, between widest_int and widest_int, and between either
4177         of these types and basic C types.
4178         (operator <, <=, >, >=): Define for the same combinations.
4179         * tree.h (tree_int_cst_lt): Use comparison operators instead
4180         of wi:: comparisons.
4181         (tree_int_cst_le): Likewise.
4182         * gimple-fold.c (fold_array_ctor_reference): Likewise.
4183         (fold_nonarray_ctor_reference): Likewise.
4184         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
4185         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
4186         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
4187         * tree-sra.c (completely_scalarize): Likewise.
4188         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
4189         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
4190         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
4191         (check_for_binary_op_overflow): Likewise.
4192         (search_for_addr_array): Likewise.
4193         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
4194
4195 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4196
4197         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
4198         (arc_save_restore): Likewise.
4199         (arc_dwarf_register_span): Likewise.
4200         (arc_output_pic_addr_const): Initialize suffix variable.
4201
4202 2016-05-02  Martin Liska  <mliska@suse.cz>
4203
4204         * symbol-summary.h (function_summary::function_summary):
4205         Remove checking assert for all cgraph nodes.
4206         (function_summary::get): Check summary_uid.
4207         (symtab_insertion): Check summary_uid.
4208
4209 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4210
4211         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
4212         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
4213         bmaskn instruction.
4214         (arc_dwarf_register_span): Remove enum keyword.
4215         (compact_memory_operand_p): New function.
4216         * config/arc/arc.h (reg_class): Add code density register classes.
4217         (REG_CLASS_NAMES): Likewise.
4218         (REG_CLASS_CONTENTS): Likewise.
4219         * config/arc/arc.md (*movqi_insn): Add code density instructions.
4220         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
4221         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
4222         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
4223         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
4224         constraints.
4225         (h, Rcd, Rsd, Rzd): New register constraints.
4226         (T): Use compact_memory_operand_p function.
4227         * config/arc/predicates.md (compact_load_memory_operand): Remove.
4228
4229 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4230
4231         * config/sh/sh.md (*negnegt, *movtt): Remove.
4232
4233 2016-05-02  Marek Polacek  <polacek@redhat.com>
4234             Tom de Vries  <tom@codesourcery.com>
4235
4236         PR tree-optimization/70700
4237         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
4238         bigger than FIRST_REF_NODE.
4239
4240 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4241
4242         PR target/52898
4243         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
4244         TARGET_CMPEQDI_T.
4245         (prepare_cbranch_operands): Don't use scratch register.  Assume that
4246         function is used when pseudos can be created.
4247         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
4248         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
4249         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
4250         define_expand.  Allow it only when pseudos can be created.
4251         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
4252
4253 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
4254
4255         * config/i386/constraints.md (BC): Only allow -1 operands.
4256         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
4257         Add "enabled" attribute.  Update XI mode attribute calculation.
4258         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
4259         (*movoi_internal_avx): Update XI mode attribute calculation.
4260         (*movti_internal): Ditto.
4261
4262 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4263
4264         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4265         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
4266
4267 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4268
4269         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
4270         statement on instruction code.  Remove trailing spaces.
4271         (altivec_expand_stv_builtin): Likewise.
4272
4273 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4274
4275         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4276         (TARGET_FPU_DOUBLE): Simplify.
4277         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
4278         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
4279         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
4280         with 'TARGET_FPU_DOUBLE'.
4281         * config/sh/sh.md: Likewise.
4282
4283 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
4284
4285         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
4286         SH_DIV_STR_FOR_SIZE): Remove.
4287         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
4288         SH_DIV_STR_FOR_SIZE): Remove.
4289
4290 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4291
4292         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
4293         logical_reg_operand): Delete.
4294         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
4295         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
4296         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
4297         match_operand and match_test.
4298         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
4299         variables on their first use.  Return bool values.
4300         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
4301         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
4302         arith_reg_operand for input operand.  Remove empty constraints.
4303         (xorsi3): Delete.
4304         (*xorsi3_compact): Rename to xorsi3.
4305         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
4306         (*zero_extend<mode>si2_disp_mem): Update comment.
4307         (mov_nop): Delete.
4308
4309 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4310
4311         * config/sh/t-sh: Remove SH5 support.
4312         * config.gcc: Likewise.
4313         * configure: Likewise.
4314
4315 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4316
4317         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
4318
4319 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4320
4321         * config/sh/sh.c (register_sh_passes, sh_option_override,
4322         sh_print_operand, prepare_move_operands,
4323         sh_can_follow_jump): Remove TARGET_SH1 checks.
4324         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
4325         PROMOTE_MODE): Likewise.
4326         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
4327         movdi): Likewise.
4328
4329 2016-04-30  Alan Modra  <amodra@gmail.com>
4330
4331         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
4332         restoring when fixed_reg_p, but allow out-of-line or stmw save.
4333         Check for user regs later to avoid unnecessary looping over regs.
4334         Merge user reg check with non-saved reg check.  Don't force
4335         inline VR restore when static chain used.
4336         (rs6000_frame_related): Omit eh_frame info for user regs when
4337         saving.
4338         (fixed_regs_p): Delete.
4339
4340 2016-04-30  Alan Modra  <amodra@gmail.com>
4341
4342         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
4343         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
4344         Update all uses.
4345
4346 2016-04-30  Alan Modra  <amodra@gmail.com>
4347
4348         PR target/69645
4349         * config/rs6000/rs6000.c (fixed_reg_p): New function.
4350         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
4351         Update all uses.
4352
4353 2016-04-30  Alan Modra  <amodra@gmail.com>
4354
4355         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4356         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
4357         flag_pic test for Darwin.
4358
4359 2016-04-30  Alan Modra  <amodra@gmail.com>
4360
4361         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
4362         throw_calls_crossed.
4363         (REG_FREQ_CALLS_CROSSED): Delete.
4364         (REG_N_THROWING_CALLS_CROSSED): Delete.
4365         * regstat.c (regstat_bb_compute_ri): Don't calculate
4366         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
4367         (dump_reg_info): Don't print call cross frequency.
4368         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
4369         and REG_N_THROWING_CALLS_CROSSED.
4370
4371 2016-04-30  Alan Modra  <amodra@gmail.com>
4372
4373         * regs.h (struct reg_info_t): Delete live_length.
4374         (REG_LIVE_LENGTH): Delete macro.
4375         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
4376         local_live, local_processed and local_live_last_luid params.
4377         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
4378         Formatting fixes.
4379         (regstat_compute_ri): Adjust for above.  Don't set
4380         REG_LIVE_LENGTH.
4381         (dump_reg_info): Don't print live length.
4382         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
4383         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
4384         Localize loop_depth var.
4385
4386 2016-04-30  Alan Modra  <amodra@gmail.com>
4387
4388         * ira.c (enum valid_equiv): New.
4389         (validate_equiv_mem): Return enum.
4390         (update_equiv_mem): Create replacement in more cases.
4391         (add_store_equivs): Update validate_equiv_mem call.
4392
4393 2016-04-30  Alan Modra  <amodra@gmail.com>
4394
4395         * ira.c (combine_and_move_insns): Rather than scanning insns,
4396         use DF infrastucture to find use and def insns.
4397
4398 2016-04-30  Alan Modra  <amodra@gmail.com>
4399
4400         ira.c (combine_and_move_insns): Move invariant conditions..
4401         (ira.c): ..to here.  Call combine_and_move_insns before
4402         add_store_equivs.  Call grow_reg_equivs later.  Allocate
4403         req_equiv later using max_reg_num() rather than global max_regno.
4404         (contains_replace_regs): Delete.
4405         (add_store_equivs): Remove contains_replace_regs test.
4406
4407 2016-04-30  Alan Modra  <amodra@gmail.com>
4408
4409         * ira.c (struct equiv_mem_data): New.
4410         (equiv_mem, equiv_mem_modified): Delete static vars.
4411         (validate_equiv_mem_from_store): Use "data" param to communicate..
4412         (validate_equiv_mem): ..from here.
4413
4414 2016-04-30  Alan Modra  <amodra@gmail.com>
4415
4416         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
4417         split out from..
4418         (update_reg_equivs): ..here.  Move allocation and freeing of
4419         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
4420         end_alias_analysis to..
4421         (ira): ..here.
4422
4423 2016-04-30  Alan Modra  <amodra@gmail.com>
4424
4425         * ira.c (pdx_subregs): Delete.
4426         (struct equivalence): Add pdx_subregs field.
4427         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
4428         pdx_subregs access.
4429         (update_equiv_regs): Don't create or free pdx_subregs.  Update
4430         pdx_subregs access.
4431
4432 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4433
4434         * config/rs6000/altivec.h: Change definitions of vec_xl and
4435         vec_xst.
4436         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
4437         (LD_ELEMREV_V2DI): New.
4438         (LD_ELEMREV_V4SF): New.
4439         (LD_ELEMREV_V4SI): New.
4440         (LD_ELEMREV_V8HI): New.
4441         (LD_ELEMREV_V16QI): New.
4442         (ST_ELEMREV_V2DF): New.
4443         (ST_ELEMREV_V2DI): New.
4444         (ST_ELEMREV_V4SF): New.
4445         (ST_ELEMREV_V4SI): New.
4446         (ST_ELEMREV_V8HI): New.
4447         (ST_ELEMREV_V16QI): New.
4448         (XL): New.
4449         (XST): New.
4450         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4451         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
4452         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
4453         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
4454         (altivec_expand_builtin): Add handling for
4455         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
4456         (rs6000_invalid_builtin): Add error-checking for
4457         RS6000_BTM_P9_VECTOR.
4458         (altivec_init_builtins): Define builtins used to implement vec_xl
4459         and vec_xst.
4460         (rs6000_builtin_mask_names): Define power9-vector.
4461         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
4462         (RS6000_BTM_P9_VECTOR): Define.
4463         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
4464         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
4465         (vsx_ld_elemrev_v2df): Likewise.
4466         (vsx_ld_elemrev_v4sf): Likewise.
4467         (vsx_ld_elemrev_v4si): Likewise.
4468         (vsx_ld_elemrev_v8hi): Likewise.
4469         (vsx_ld_elemrev_v16qi): Likewise.
4470         (vsx_st_elemrev_v2df): Likewise.
4471         (vsx_st_elemrev_v2di): Likewise.
4472         (vsx_st_elemrev_v4sf): Likewise.
4473         (vsx_st_elemrev_v4si): Likewise.
4474         (vsx_st_elemrev_v8hi): Likewise.
4475         (vsx_st_elemrev_v16qi): Likewise.
4476         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
4477         grammar.
4478
4479 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
4480
4481         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4482         out into ...
4483         (simplify_control_stmt_condition_1): ... here.  Recurse into
4484         BIT_AND_EXPRs and BIT_IOR_EXPRs.
4485
4486 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
4487
4488         PR target/69810
4489         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
4490         (zero_extendqi<mode>2_dot): Revert earlier conversion from
4491         define_insn_and_split to define_insn.
4492         (zero_extendqi<mode>2_dot2): Same.
4493         (extendqi<mode>2_dot): Same.
4494         (extendqi<mode>2_dot2): Same.
4495
4496 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4497
4498         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
4499         (probe_stack): New expander.
4500         (probe_stack_<mode>): New insn pattern.
4501
4502 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4503
4504         * config/i386/i386.md
4505         (operations with memory inputs setting flags peephole2):
4506         Remove uneeded REG_P checks.  Cleanup pattern generation.
4507
4508 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
4509
4510         * tree-vect-loop.c (vect_transform_loop): Fix
4511         nb_iterations_upper_bound computation for vectorized loop.
4512
4513 2016-04-29  Marek Polacek  <polacek@redhat.com>
4514             Jakub Jelinek  <jakub@redhat.com>
4515
4516         PR sanitizer/70342
4517         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4518         TARGET_EXPR_SLOT as a base.
4519
4520 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
4521
4522         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
4523         with 'rCm2' constraints to limit possible immediate size.
4524         (*load_zeroextendqisi_update): Likewise.
4525         (*load_signextendqisi_update): Likewise.
4526         (*loadhi_update): Likewise.
4527         (*load_zeroextendhisi_update): Likewise.
4528         (*load_signextendhisi_update): Likewise.
4529         (*loadsi_update): Likewise.
4530         (*loadsf_update): Likewise.
4531
4532 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4533
4534         * config/i386/predicates.md (constm1_operand): Fix comparison.
4535
4536 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4537
4538         * testsuite/gcc.target/arc/ieee_eq.c: New test.
4539
4540 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
4541
4542         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
4543         remaining SH5 related settings.
4544         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
4545         shmedia_prepare_call_address): Delete.
4546         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
4547         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
4548         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
4549         UNSUPPORTED_SH2A): Remove m5 checks.
4550         (sh_divide_strategy_e): Remove SH5 division strategies.
4551         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
4552         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
4553
4554 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4555
4556         * config/s390/s390.c (s390_rtx_costs): Update documentation.
4557
4558 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4559
4560         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
4561         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
4562         Change lder to ldr.
4563         * config/s390/vector.md ("mov<mode>"): Likewise.
4564
4565 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
4566
4567         * config/s390/constraints.md ("U", "W"): Invoke
4568         s390_mem_constraint with "ZR" and "ZT".
4569         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
4570         addresses when using LRA.  Accept also short displacements for S
4571         and T constraints.  Do not check for long displacement target for
4572         S and T constraints.
4573         (s390_mem_constraint): Remove handling of U and W constraints.
4574         * config/s390/s390.md (various patterns): Remove the short
4575         displacement constraints (Q and R) if a long displacement
4576         constraint is present.  Add longdisp as required CPU capability.
4577         * config/s390/vector.md: Likewise.
4578         * config/s390/vx-builtins.md: Likewise.
4579
4580 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4581
4582         PR target/60040
4583         * reload1.c (reload): Call finish_spills before
4584         restarting reload loop. Skip select_reload_regs
4585         if update_eliminables_and_spill returns true.
4586
4587 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4588
4589         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
4590         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
4591         (umulhisi3_imm): Update predicates and constraint letters.
4592         (umulhisi3_reg): Declare instruction as commutative.
4593         * config/arc/constraints.md (J12, J16): New constraints.
4594         * config/arc/predicates.md (short_unsigned_const_operand): New
4595         predicate.
4596         (arc_short_operand): Likewise.
4597         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
4598
4599 2016-04-29  Richard Biener  <rguenther@suse.de>
4600
4601         PR tree-optimization/13962
4602         PR tree-optimization/65686
4603         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
4604         * tree-ssa-alias.c (ptrs_compare_unequal): New function
4605         using PTA to compare pointers.
4606         * match.pd: Add pattern for pointer equality compare simplification
4607         using ptrs_compare_unequal.
4608
4609 2016-04-29  Richard Biener  <rguenther@suse.de>
4610
4611         * stor-layout.c (layout_type): Do not build a pointer-to-element
4612         type for arrays.
4613
4614 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4615
4616         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
4617         Use SWI mode iterator.  Use general_reg_operand predicate.
4618         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
4619         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
4620         predicates.
4621
4622 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
4623
4624         PR middle-end/70843
4625         * fold-const.c (operand_equal_p): Don't verify hash value equality
4626         if arg0 == arg1.
4627         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
4628         and OMP_CLAUSE.
4629
4630 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4631
4632         PR target/70858
4633         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4634         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4635         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4636         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4637         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4638
4639 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4640
4641         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
4642         to info.  Don't initialize separate fields to 0.  Clean up
4643         formatting a bit.
4644
4645 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4646
4647         * config/i386/i386.md (peephole2s for operations with memory inputs):
4648         Use SWI mode iterator.
4649         (peephole2s for operations with memory outputs): Ditto.
4650         Do not check for stack checking probe.
4651
4652         (probe_stack): Remove expander.
4653
4654 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4655             Andrew Burgess  <andrew.burgess@embecosm.com>
4656
4657         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
4658         operands as 32-bits.
4659
4660 2016-04-28  Jason Merrill  <jason@redhat.com>
4661
4662         * gdbinit.in: Skip line-map.h.
4663
4664 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4665             Andrew Burgess  <andrew.burgess@embecosm.com>
4666
4667         * config/arc/arc.c (arc_conditional_register_usage): Take
4668         TARGET_RRQ_CLASS into account.
4669         (arc_print_operand): Support printing 'p' and 's' operands.
4670         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
4671         as 0.
4672         (TARGET_RRQ_CLASS): Define.
4673         (IS_POWEROF2_OR_0_P): Define.
4674         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
4675         alternatives.
4676         (*tst_movb): New define_insn.
4677         (*tst): Avoid recognition if it could prevent '*tst_movb'
4678         combination; replace c/CnL with c/Chs alternative.
4679         (*tst_bitfield_tst): New define_insn.
4680         (*tst_bitfield_asr): New define_insn.
4681         (*tst_bitfield): New define_insn.
4682         (andsi3_i): Add Rrq variant.
4683         (extzv): New define_expand.
4684         (insv): New define_expand.
4685         (*insv_i): New define_insn.
4686         (*movb): New define_insn.
4687         (*movb_signed): New define_insn.
4688         (*movb_high): New define_insn.
4689         (*movb_high_signed): New define_insn.
4690         (*movb_high_signed + 1): New define_split pattern.
4691         (*mrgb): New define_insn.
4692         (*mrgb + 1): New define_peephole2 pattern.
4693         (*mrgb + 2): New define_peephole2 pattern.
4694         * config/arc/arc.opt (mbitops): New option for nps400, uses
4695         TARGET_NPS_BITOPS_DEFAULT.
4696         * config/arc/constraints.md (q): Make register class conditional.
4697         (Rrq): New register constraint.
4698         (Chs): New constraint.
4699         (Clo): New constraint.
4700         (Chi): New constraint.
4701         (Cbf): New constraint.
4702         (Cbn): New constraint.
4703         (C18): New constraint.
4704         (Cbi): New constraint.
4705
4706 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4707
4708         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
4709         dst->popcount.
4710         (bitmap_intersection_of_preds): Ditto.
4711         (bitmap_union_of_succs): Ditto.
4712         (bitmap_union_of_preds): Ditto.
4713         * sbitmap.c (do_popcount): Delete.
4714         (BITMAP_DEBUGGING): Delete.
4715         (sbitmap_verify_popcount): Delete.
4716         (sbitmap_alloc): Don't initialize the popcount field.
4717         (sbitmap_alloc_with_popcount): Delete.
4718         (sbitmap_resize): Don't resize the popcount array.
4719         (sbitmap_vector_alloc): Don't initialize the popcount field.
4720         (bitmap_copy): Don't copy the popcount array.
4721         (bitmap_clear): Don't clear the popcount array.
4722         (bitmap_clear): Delete the popcount array handling.
4723         (bitmap_ior_and_compl): Delete the popcount assert.
4724         (bitmap_not): Ditto.
4725         (bitmap_and_compl): Ditto.
4726         (bitmap_and): Delete the popcount array handling.
4727         (bitmap_xor): Ditto.
4728         (bitmap_ior): Ditto.
4729         (bitmap_or_and): Delete the popcount assert.
4730         (bitmap_and_or): Ditto.
4731         (popcount_table): Delete.
4732         (sbitmap_elt_popcount): Delete.
4733         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
4734         (bitmap_set_bit): Delete the popcount assert.
4735         (bitmap_clear_bit): Ditto.
4736         (sbitmap_free): Don't free the popcount array.
4737         (sbitmap_alloc_with_popcount): Delete declaration.
4738         (sbitmap_popcount): Ditto.
4739
4740 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4741             Andrew Burgess  <andrew.burgess@embecosm.com>
4742
4743         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
4744         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
4745         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
4746         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
4747         * config/arc/arc.opt (mcmem): New option.
4748         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
4749         supply length for r/m alternative.
4750         (*extendqisi2_ac): Likewise.
4751         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
4752         r/Uex alternative.
4753         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
4754         (movhi_insn): Likewise.
4755         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
4756         (*zero_extendqihi2_i): Add r/Ucm alternative.
4757         (*zero_extendqisi2_ac): Likewise.
4758         (*zero_extendhisi2_i): Likewise.
4759         * config/arc/constraints.md (Uex): New memory constraint.
4760         (Ucm): New define_constraint.
4761         * config/arc/predicates.md (long_immediate_loadstore_operand):
4762         Return 0 for MEM with cmem_address address.
4763         (cmem_address_0): New predicates.
4764         (cmem_address_1): Likewise.
4765         (cmem_address_2): Likewise.
4766         (cmem_address): Likewise.
4767
4768 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4769
4770         * config/rs6000/rs6000.c (machine_function): Rename
4771         insn_chain_scanned_p to spe_insn_chain_scanned_p.
4772         (rs6000_stack_info): Adjust.
4773
4774 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4775             Andrew Burgess  <andrew.burgess@embecosm.com>
4776
4777         * config/arc/constraints.md (Usd): Convert to define_constraint.
4778         (Us<): Likewise.
4779         (Us>): Likewise.
4780
4781 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4782
4783         PR target/70821
4784         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
4785         Add new peephole2 where the first insn is *mov<mode>_or instead of
4786         *mov<mode>_internal.
4787
4788 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
4789
4790         * tracer.c (bb_seen): Make static.
4791
4792 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
4793
4794         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
4795         support, setup defaults.
4796         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
4797         * config/arc/arc.c (arc_init): Add NPS400 support.
4798         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
4799         (TARGET_ARC700): NPS400 is also an ARC700.
4800         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
4801
4802 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4803
4804         PR target/70668
4805         * config/nds32/nds32.md (casesi): Don't access the operands array
4806         out of bounds.
4807
4808 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4809
4810         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
4811         (or $-1,reg peephole2): Ditto.
4812         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
4813
4814 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
4815
4816         * doc/extend.texi (Common Function Attributes) [optimize]:
4817         Discourage use of the optimize attribute.
4818
4819 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
4820
4821         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
4822         special case builtin.
4823         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4824         ALTIVEC_BUILTIN_VEC_ADDE.
4825         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4826         support for ALTIVEC_BUILTIN_VEC_ADDE.
4827         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4828         for __builtin_vec_adde.
4829
4830 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4831
4832         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
4833         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
4834
4835 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4836
4837         PR testsuite/70595
4838         * doc/sourcebuild.texi (Effective-Target Keywords, Other
4839         attributes): Document cilkplus_runtime.
4840
4841 2016-04-28  Martin Jambor  <mjambor@suse.cz>
4842
4843         * tree-cfg.c (verify_expr): Verify that local declarations belong to
4844         this function.  Call verify_expr on MEM_REFs and bases of other
4845         handled_components.
4846
4847 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4848
4849         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
4850         for WORD_REGISTER_OPERATIONS to runtime check.
4851
4852 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4853
4854         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
4855
4856 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4857
4858         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
4859         big-endian compilation.
4860         * config/arc/arc.md (addf3): Likewise.
4861         (subdf3): Likewise.
4862         (muldf3): Likewise.
4863
4864 2016-04-28  Richard Biener  <rguenther@suse.de>
4865
4866         PR tree-optimization/70840
4867         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
4868         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
4869         Mark x * pow(x,c) -> pow(x,c+1) commutative.
4870         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
4871
4872 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4873
4874         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
4875         and explain why in a comment.
4876
4877 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4878
4879         * config/arc/arc.md (cpu_facility): Add fpx variant.
4880         (subdf3): Prohibit use reverse sub when assist operations option
4881         is enabled.
4882         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
4883         instructions only when FPX is enabled.
4884         * testsuite/gcc.target/arc/trsub.c: New test.
4885
4886 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4887
4888         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
4889         mult_operator when calculating "type" attribute.
4890         (*fop_<mode>_1_i387): Ditto.
4891         (*fop_xf_1_i387): Ditto.
4892         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
4893         Use std::swap to swap operands.  Use RTL expressions to generate
4894         converted pattern.
4895
4896 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4897             Joern Rennecke  <joern.rennecke@embecosm.com>
4898
4899         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
4900         declaration.
4901         (emit_pic_move): Remove.
4902         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
4903         * config/arc/arc.c (emit_pic_move): Removed.
4904         (TARGET_HAVE_TLS): Define.
4905         (arc_conditional_register_usage): Test for arc_tp_regno.
4906         (arc_print_operand, arc_print_operand_address): Handle TLS
4907         unspecs.
4908         (arc_needs_pcl_p): New function.
4909         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
4910         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
4911         (arc_raw_symbolic_reference_mentioned_p): Likewise.
4912         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
4913         (arc_legitimize_tls_address): Likewise.
4914         (DTPOFF_ZERO_SYM): Define.
4915         (arc_legitimize_pic_address): Make it static, handle TLS cases.
4916         (arc_output_pic_addr_const): Print TLS unspecs.
4917         (prepare_pic_move): New function, replaces emit_pic_move.
4918         (arc_legitimate_constant_p): Handle TLS unspecs.
4919         (arc_legitimate_address_p): Likewise.
4920         (arc_rewrite_small_data_p): Use assert for TLS constants.
4921         (prepare_move_operands): Use prepare_pic_move.
4922         (arc_legitimize_address): Legitimize tls addresses.
4923         (arc_epilogue_uses): Check for arc_tp_regno.
4924         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
4925         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
4926         Define.
4927         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
4928         Likewise.
4929         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
4930         %(arc_tls_extra_start_spec).
4931         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
4932         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
4933         (EH_USES): Define.
4934         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
4935         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
4936         (UNSPEC_TLS_OFF): Add.
4937         (R10_REG): Define.
4938         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
4939         (get_thread_pointersi): New patterns.
4940         * config/arc/arc.opt (mtp-regno): New option.
4941         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
4942         (move_dest_operand): Likewise.
4943         * configure: Regenerate.
4944         * configure.ac: Add arc*-*-* case to test for tls.
4945         * doc/invoke.texi (ARC options): Document mtp-regno.
4946
4947 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4948
4949         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
4950         the new ARC HS SIMD instructions.
4951         (arc_preferred_simd_mode): New function.
4952         (arc_autovectorize_vector_sizes): Likewise.
4953         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
4954         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
4955         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
4956         (arc_init_builtins): Add new SIMD builtin types.
4957         (arc_split_move): Handle 64 bit vector moves.
4958         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
4959         (TARGET_PLUS_QMACW): Define.
4960         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
4961         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
4962         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
4963         (VSUBADD4H): New builtins.
4964         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
4965         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
4966
4967 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
4968             Matthias Klose  <doko@debian.org>
4969
4970         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
4971
4972 2016-04-28  Richard Biener  <rguenther@suse.de>
4973
4974         PR middle-end/70777
4975         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
4976         canonicalization.
4977
4978 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
4979
4980         * common/config/sh/sh-common.c: Remove SH5 support.
4981         * config/sh/constraints.md: Likewise.
4982         * config/sh/config/sh/elf.h: Likewise.
4983         * config/sh/linux.h: Likewise.
4984         * config/sh/netbsd-elf.h: Likewise.
4985         * config/sh/predicates.md: Likewise.
4986         * config/sh/sh-c.c: Likewise.
4987         * config/sh/sh-protos.h: Likewise.
4988         * config/sh/sh.c: Likewise.
4989         * config/sh/sh.h: Likewise.
4990         * config/sh/sh.md: Likewise.
4991         * config/sh/sh.opt: Likewise.
4992         * config/sh/sync.md: Likewise.
4993         * config/sh/sh64.h: Delete.
4994         * config/sh/shmedia.h: Likewise.
4995         * config/sh/shmedia.md: Likewise.
4996         * config/sh/sshmedia.h: Likewise.
4997         * config/sh/t-netbsd-sh5-64: Likewise.
4998         * config/sh/t-sh64: Likewise.
4999         * config/sh/ushmedia.h: Likewise.
5000
5001 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
5002
5003         * config/i386/i386.md (sign_extend to memory peephole2s): Use
5004         general_reg_operand instead of register_operand predicate.
5005
5006 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5007
5008         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
5009
5010 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
5011
5012         * match.pd (A - B > A, A + B < A): New transformations.
5013
5014 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
5015
5016         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
5017         which defaults to true.  Emit an outer pair of parentheses only if
5018         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
5019         don't emit parentheses for the right-hand operand.
5020
5021 2016-04-27  Jeff Law  <law@redhat.com>
5022
5023         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
5024
5025 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5026
5027         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
5028         (altivec_lvx_<mode>_internal): Document.
5029         (altivec_lvx_<mode>_2op): New define_insn.
5030         (altivec_lvx_<mode>_1op): Likewise.
5031         (altivec_lvx_<mode>_2op_si): Likewise.
5032         (altivec_lvx_<mode>_1op_si): Likewise.
5033         (altivec_stvx_<mode>): Remove.
5034         (altivec_stvx_<mode>_internal): Document.
5035         (altivec_stvx_<mode>_2op): New define_insn.
5036         (altivec_stvx_<mode>_1op): Likewise.
5037         (altivec_stvx_<mode>_2op_si): Likewise.
5038         (altivec_stvx_<mode>_1op_si): Likewise.
5039         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5040         Expand vec_ld and vec_st during parsing.
5041         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
5042         changes.
5043         (altivec_expand_stvx_be): Likewise.
5044         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
5045         address-masking behavior in RTL.
5046         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
5047         address-masking behavior in RTL.
5048         (altivec_expand_builtin): Change builtin code arguments for calls
5049         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
5050         (insn_is_swappable_p): Avoid incorrect swap optimization in the
5051         presence of lvx/stvx patterns.
5052         (alignment_with_canonical_addr): New function.
5053         (alignment_mask): Likewise.
5054         (find_alignment_op): Likewise.
5055         (recombine_lvx_pattern): Likewise.
5056         (recombine_stvx_pattern): Likewise.
5057         (recombine_lvx_stvx_patterns): Likewise.
5058         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
5059         stvx patterns from expand.
5060         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
5061         expansions.
5062         (vector_altivec_store_<mode>): Likewise.
5063
5064 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
5065
5066         * config/aarch64/aarch64.md
5067         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
5068         remove the "fp" attributes.
5069         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
5070         add the "simd" attributes.
5071         (*movdf_aarch64): Likewise.
5072         (*movtf_aarch64): Remove the "fp" attributes.
5073         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
5074         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
5075
5076 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5077
5078         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
5079         rtx to rtx_code_label *.
5080         * rtl.h (maybe_set_first_label_num): Likewise.
5081
5082 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5083
5084         * df-core.c (df_add_problem): Make the problem param be const.
5085         (df_remove_problem): Make local "problem" be const.
5086         * df-problems.c (problem_RD): Make const.
5087         (problem_LR): Likewise.
5088         (problem_LIVE): Likewise.
5089         (problem_MIR): Likewise.
5090         (problem_CHAIN): Likewise.
5091         (problem_WORD_LR): Likewise.
5092         (problem_NOTE): Likewise.
5093         (problem_MD): Likewise.
5094         * df-scan.c (problem_SCAN): Likewise.
5095         * df.h (struct df_problem): Make field "dependent_problem" be
5096         const.
5097         (struct dataflow): Likewise for field "problem".
5098         (df_add_problem): Make param const.
5099
5100 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5101
5102         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
5103         inter-unit moves to/from vector registers are enabled.  Do not disable
5104         for TARGET_MMX.
5105
5106 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5107
5108         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
5109         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
5110         #define to...
5111         (enum df_problem_id): ...this new enum.
5112         (struct df_problem): Convert field "id" from "int" to
5113         enum df_problem_id.
5114
5115 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
5116
5117         * rtl.def: Update comment for "things in the instruction chain" to
5118         reflect the removal of the leading "i" field for INSN_UID in
5119         r210360.  Fix bogus apostrophe.
5120
5121 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
5122
5123         * config/i386/i386.md
5124         (lea arith with mem operand + setcc peephole2): Set operator mode.
5125
5126 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5127
5128         PR target/70155
5129         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
5130         (dimode_scalar_to_vector_candidate_p): This.
5131         (timode_scalar_to_vector_candidate_p): New function.
5132         (scalar_to_vector_candidate_p): Likewise.
5133         (timode_check_non_convertible_regs): Likewise.
5134         (timode_remove_non_convertible_regs): Likewise.
5135         (remove_non_convertible_regs): Likewise.
5136         (remove_non_convertible_regs): Renamed to ...
5137         (dimode_remove_non_convertible_regs): This.
5138         (scalar_chain::~scalar_chain): Make it virtual.
5139         (scalar_chain::compute_convert_gain): Make it pure virtual.
5140         (scalar_chain::mark_dual_mode_def): Likewise.
5141         (scalar_chain::convert_insn): Likewise.
5142         (scalar_chain::convert_registers): Likewise.
5143         (scalar_chain::add_to_queue): Make it protected.
5144         (scalar_chain::emit_conversion_insns): Likewise.
5145         (scalar_chain::replace_with_subreg): Likewise.
5146         (scalar_chain::replace_with_subreg_in_insn): Likewise.
5147         (scalar_chain::convert_op): Likewise.
5148         (scalar_chain::convert_reg): Likewise.
5149         (scalar_chain::make_vector_copies): Likewise.
5150         (scalar_chain::convert_registers): New pure virtual function.
5151         (class dimode_scalar_chain): New class.
5152         (class timode_scalar_chain): Likewise.
5153         (scalar_chain::mark_dual_mode_def): Renamed to ...
5154         (dimode_scalar_chain::mark_dual_mode_def): This.
5155         (timode_scalar_chain::mark_dual_mode_def): New function.
5156         (timode_scalar_chain::convert_insn): Likewise.
5157         (dimode_scalar_chain::convert_registers): Likewise.
5158         (scalar_chain::compute_convert_gain): Renamed to ...
5159         (dimode_scalar_chain::compute_convert_gain): This.
5160         (scalar_chain::replace_with_subreg): Renamed to ...
5161         (dimode_scalar_chain::replace_with_subreg): This.
5162         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
5163         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
5164         (scalar_chain::make_vector_copies): Renamed to ...
5165         (dimode_scalar_chain::make_vector_copies): This.
5166         (scalar_chain::convert_reg): Renamed to ...
5167         (dimode_scalar_chain::convert_reg ): This.
5168         (scalar_chain::convert_op): Renamed to ...
5169         (dimode_scalar_chain::convert_op): This.
5170         (scalar_chain::convert_insn): Renamed to ...
5171         (dimode_scalar_chain::convert_insn): This.
5172         (scalar_chain::convert): Call convert_registers.
5173         (convert_scalars_to_vector): Change to scalar_chain pointer to
5174         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
5175         in 32-bit mode.  Delete scalar_chain pointer.  Call
5176         free_dominance_info in 64-bit mode.
5177         (pass_stv::gate): Remove TARGET_64BIT check.
5178         (ix86_option_override): Put the 64-bit STV pass before the CSE
5179         pass.
5180
5181 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
5182
5183         * dwarf2out.h (struct dw_loc_descr_node): Remove the
5184         dw_loc_frame_offset field.
5185         * dwarf2out.c (new_loc_descr): Likewise.
5186         (resolve_args_picking_1): Turn the VISITED hash set into a
5187         FRAME_OFFSET hash map. Use it to associate a frame offset to
5188         visited nodes. Remove uses of the CHECKING_P macro.
5189         (resolve_args_picking): Update call to resolve_args_picking_1.
5190
5191 2016-04-27  Martin Liska  <mliska@suse.cz>
5192
5193         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
5194         (free_loop_data): Release vuses of groups.
5195
5196 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
5197
5198         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
5199         instead of redundant use_id and boolean have_use_for.
5200         (struct iv_use): Change sub_id into group_id.  Remove field next.
5201         Move fields: related_cands, n_map_members, cost_map and selected
5202         to ...
5203         (struct iv_group): ... here.  New structure.
5204         (struct iv_common_cand): Use structure declaration directly.
5205         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
5206         (MAX_CONSIDERED_USES): Rename macro to ...
5207         (MAX_CONSIDERED_GROUPS): ... here.
5208         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
5209         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
5210         (dump_uses): Rename to ...
5211         (dump_groups): ... here.  Update all uses.
5212         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
5213         (find_induction_variables): Refactor format of dump information.
5214         (record_sub_use): Delete.
5215         (record_use): Update all uses.
5216         (record_group): New function.
5217         (record_group_use, find_interesting_uses_op): Call above functions.
5218         Update all uses.
5219         (find_interesting_uses_cond): Ditto.
5220         (group_compare_offset): New function.
5221         (split_all_small_groups): Rename to ...
5222         (split_small_address_groups_p): ... here.  Update all uses.
5223         (split_address_groups):  Update all uses.
5224         (find_interesting_uses): Refactor format of dump information.
5225         (add_candidate_1): Update all uses.  Remove redundant check on iv,
5226         base and step.
5227         (add_candidate, record_common_cand): Remove redundant assert.
5228         (add_iv_candidate_for_biv): Update use.
5229         (add_iv_candidate_derived_from_uses): Update all uses.
5230         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
5231         (alloc_use_cost_map): Ditto.
5232         (set_use_iv_cost, get_use_iv_cost): Rename to ...
5233         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
5234         (determine_use_iv_cost_generic): Ditto.
5235         (determine_group_iv_cost_generic): Ditto.
5236         (determine_use_iv_cost_address): Ditto.
5237         (determine_group_iv_cost_address): Ditto.
5238         (determine_use_iv_cost_condition): Ditto.
5239         (determine_group_iv_cost_cond): Ditto.
5240         (determine_use_iv_cost): Ditto.
5241         (determine_group_iv_cost): Ditto.
5242         (set_autoinc_for_original_candidates): Update all uses.
5243         (find_iv_candidates): Update all uses.  Refactor dump information.
5244         (determine_use_iv_costs): Ditto.
5245         (determine_iv_costs): Ditto.
5246         (iv_ca_cand_for_use): Rename to ...
5247         (iv_ca_cand_for_group): ... here.  Update all uses.
5248         (iv_ca_add_use, iv_ca_add_group): Ditto.
5249         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
5250         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
5251         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
5252         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
5253         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
5254         (create_new_iv, adjust_iv_update_pos): Ditto.
5255         (rewrite_use_address): Delete.
5256         (rewrite_use_address_1): Rename to ...
5257         (rewrite_use_address): ... here.
5258         (rewrite_use_compare): Update all uses.
5259         (rewrite_use): Delete.
5260         (rewrite_uses): Rename to ...
5261         (rewrite_groups): ... here.  Update all uses.
5262         (remove_unused_ivs, free_loop_data): Update all uses.
5263         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
5264
5265 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5266
5267         * rtlanal.c (nonzero_bits1): Convert preprocessor check
5268         for WORD_REGISTER_OPERATIONS to runtime check.
5269
5270 2016-04-27  Richard Biener  <rguenther@suse.de>
5271
5272         PR ipa/70760
5273         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
5274         aggregate_value_p to determine if a function result is
5275         returned by reference.
5276         (ipa_pta_execute): Functions having their address taken are
5277         not automatically nonlocal.
5278
5279 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5280
5281         PR sanitizer/70683
5282         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
5283         * fold-const.c (operand_equal_p): If flag_checking and
5284         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
5285         and if it returns non-zero, assert iterative_hash_expr on both
5286         args is the same.
5287
5288 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5289
5290         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
5291
5292 2016-04-27  Nick Clifton  <nickc@redhat.com>
5293
5294         PR middle-end/49889
5295         * varasm.c (merge_weak): Generate an error if an attempt is made
5296         to convert a non-weak static function into a weak, public function.
5297
5298 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5299
5300         * params.def (MAX_PARTITION_SIZE): New param.
5301         * doc/invoke.texi: Document lto-max-partition.
5302
5303 2016-04-27  Richard Biener  <rguenther@suse.de>
5304
5305         PR ipa/70785
5306         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
5307         function cummulating used_from_other_partition, externally_visible
5308         and force_output from aliases.
5309         (refered_from_nonlocal_var): Likewise.
5310         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
5311         node flags properly.
5312
5313 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5314
5315         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
5316         (-Wmemset-elt-size): New item.
5317
5318 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5319
5320         PR ada/70759
5321         * stor-layout.h (internal_reference_types): Delete.
5322         * stor-layout.c (reference_types_internal): Likewise.
5323         (internal_reference_types): Likewise.
5324         (layout_type) <REFERENCE_TYPE>: Adjust.
5325
5326 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5327
5328         PR sanitizer/70683
5329         * tree.h (inchash::add_expr): Add FLAGS argument.
5330         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
5331         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
5332         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
5333         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
5334         if swap_tree_comparison (code) is smaller than code, hash that
5335         and arguments in the other order.  Hash CONVERT_EXPR the same
5336         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
5337         of ADDR_EXPR of decl as the decl itself.  Add or remove
5338         OEP_ADDRESS_OF from recursive flags as needed.  For
5339         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
5340         operands commutatively and only the third one normally.
5341         For internal CALL_EXPR hash in CALL_EXPR_IFN.
5342
5343 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5344
5345         * config/rtems.h (LIB_SPEC): Add -latomic.
5346
5347 2016-04-27  Joel Sherrill  <joel@rtems.org>
5348
5349         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
5350         xilink.ld and flags not relevant to RTEMS.
5351
5352 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
5353
5354         * toplev.c (backend_init_target): Avoid calling init_reload when using
5355         LRA.
5356
5357 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5358
5359         * reorg.c (try_merge_delay_insns): Declare i and j inside the
5360         for loops rather than one for the whole function.
5361
5362 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5363
5364         * match.pd (X + CST CMP X): New transformation.
5365
5366 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5367
5368         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
5369         * fold-const.c (fold_binary_loc): Remove 2 transformations
5370         superseded by match.pd.
5371         * match.pd (x+x -> x*2): Generalize to integers.
5372
5373 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
5374
5375         * config/i386/i386.md (operation on memory peephole): Duplicate an
5376         existing peephole and adapt it to match lea rather than an operation
5377         that clobbers CC.
5378
5379         PR rtl-optimization/57193
5380         * opts.c (default_options_table): Add OPT_frename_registers at -O2
5381         and above.
5382         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
5383
5384 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5385
5386         * tree-if-conv.c (any_pred_load_store): New static variable.
5387         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
5388         any_pred_load_store instead of and_mask_load_store.
5389         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
5390         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
5391         (combine_blocks, tree_if_conversion): Ditto.
5392
5393 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5394
5395         PR tree-optimization/70771
5396         PR tree-optimization/70775
5397         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
5398         virtual PHI nodes.  Delete parameter.
5399         (if_convertible_loop_p_1): Delete argument to above function.
5400         (predicate_all_scalar_phis): Delete code handling single-argument
5401         PHIs.
5402         (tree_if_conversion): Mark and update virtual SSA.
5403
5404 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5405
5406         PR target/61821
5407         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
5408         (x86_elf_aligned_common): Rename to ...
5409         (x86_elf_aligned_decl_common): ... this.
5410         Add decl arg.  Switch to .lbss for largecomm object.  Use
5411         LARGECOMM_SECTION_ASM_OP.
5412         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
5413         renaming.
5414         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
5415         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
5416         Pass new decl arg.
5417         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5418         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
5419
5420 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5421
5422         PR target/59407
5423         * config/i386/i386.c (SECTION_LARGE): Define.
5424         (x86_64_elf_select_section): Set it for large data/bss sections.
5425         Only clear SECTION_WRITE for .lrodata.
5426         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
5427         data/bss sections.
5428         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
5429         * varasm.c (default_elf_asm_named_section): Grow flagchars.
5430         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
5431         SECTION_MACH_DEP.
5432         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
5433         * doc/tm.texi: Regenerate.
5434
5435 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5436
5437         PR bootstrap/70704
5438         * configure.ac (--enable-checking): Document extra flag, for
5439         non-release builds default to --enable-checking=yes,extra.
5440         If misc checking and extra checking, define CHECKING_P to 2 instead
5441         of 1.
5442         * common.opt (fchecking=): Add.
5443         * doc/invoke.texi (-fchecking=): Document.
5444         * doc/install.texi: Document --enable-checking changes.
5445         * configure: Regenerated.
5446         * config.in: Regenerated.
5447
5448 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5449
5450         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
5451         attribute instead of which_alternative.
5452         * config/i386/sse.md (*mov<mode>_internal): Ditto.
5453         Use EXT_REX_SSE_REG_P where appropriate.
5454
5455 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5456
5457         * config/i386/predicates.md (const0_operand): Do not match
5458         const_wide_int code.
5459         (const1_operand): Ditto.
5460
5461 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5462
5463         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
5464         for SSE constm1 operands and TARGET_AVX512VL.
5465         (*movti_internal): Ditto.
5466         (*mov<mode>_or): Use constm1_operand predicate.
5467         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
5468         for SSE vector_all_ones operands and TARGET_AVX512VL.
5469         * config/i386/predicates.md (constm1_operand): New predicate.
5470         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
5471         emission of constant -1 load.
5472
5473 2016-04-25  Jason Merrill  <jason@redhat.com>
5474
5475         * gdbinit.in: Skip is-a.h.
5476
5477         * attribs.c (register_scoped_attributes): Fix logic.
5478         * attribs.h: Declare register_scoped_attributes.
5479
5480 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5481
5482         * config/rs6000/rs6000-builtin.def: Correct pasto error for
5483         stxvd2x and stxvw4x built-in functions.
5484
5485 2016-04-25  DJ Delorie  <dj@redhat.com>
5486
5487         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
5488         (ashrhi3): Likewise.
5489         (lshrhi3): Likewise.
5490
5491 2016-04-25  Richard Biener  <rguenther@suse.de>
5492
5493         PR tree-optimization/70780
5494         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
5495         wasn't visited yet.
5496         (compute_antic): Mark blocks with abnormal preds as visited as
5497         they have a final empty antic-in solution already.
5498
5499 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5500
5501         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
5502
5503 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5504
5505         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
5506         mode is VQI to improve mixed mode vectorization.
5507         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
5508         define_insn to match low half of signed vaddw.
5509         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
5510         define_insn to match high half of signed vaddw.
5511         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
5512         define_insn to match low half of unsigned vaddw.
5513         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
5514         define_insn to match high half of unsigned vaddw.
5515         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
5516         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5517         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
5518         for new function.
5519         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5520         * config/arm/predicates.md (vect_par_constant_high): Support
5521         big endian and simplify by calling
5522         arm_simd_check_vect_par_cnst_half
5523         (vect_par_constant_low): Likewise.
5524
5525 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5526
5527         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
5528         predicate for operand 2.
5529
5530 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
5531             H.J. Lu  <hongjiu.lu@intel.com>
5532
5533         * config/i386/i386-protos.h (standard_sse_constant_p): Add
5534         machine_mode argument.
5535         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
5536         constm1_rtx operands.  For VOIDmode constants, get mode from
5537         pred_mode.  Check mode size if the mode is supported by ABI.
5538         (standard_sse_constant_opcode): Do not use standard_constant_p.
5539         Strictly check ABI support for all-ones operands.
5540         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
5541         immediates. Update calls to standard_sse_constant_p.
5542         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
5543         (ix86_rtx_costs): Ditto.
5544         * config/i386/i386.md (*movxi_internal_avx512f): Use
5545         nonimmediate_or_sse_const_operand instead of vector_move_operand.
5546         Use (v,BC) alternative instead of (v,C). Use register_operand
5547         checks instead of MEM_P.
5548         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
5549         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
5550         isa attribute.  Use register_operand checks instead of MEM_P.
5551         (*movti_internal): Use nonimmediate_or_sse_const_operand for
5552         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
5553         alternative and corresponding sse2 isa attribute.
5554         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
5555         to standard_sse_constant_p.
5556         (FP constant splitters): Ditto.
5557         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
5558         (C): Ditto.
5559         * config/i386/predicates.md (constm1_operand): Remove.
5560         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
5561         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
5562         vector_all_ones_operand instead of constm1_operand.
5563
5564 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5565
5566         * print-rtl.c (print_rtx_insn_vec): New function.
5567         * print-rtl.h: New prototype.
5568         * store-motion.c (struct st_expr): Make avail_stores a vector.
5569         (st_expr_entry): Adjust.
5570         (free_st_expr_entry): Likewise.
5571         (print_store_motion_mems): Likewise.
5572         (find_moveable_store): Likewise.
5573         (compute_store_table): Likewise.
5574         (delete_store): Likewise.
5575         (build_store_vectors): Likewise.
5576
5577 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5578
5579         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
5580
5581 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5582
5583         * vec.h (vec_safe_contains): New function.
5584         (vec::contains): Likewise.
5585         (vec::begin): Likewise.
5586         (vec::end): Likewise.
5587
5588 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
5589
5590         PR sanitizer/70712
5591         * cfgexpand.c (expand_stack_vars): Fix typo.
5592
5593 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5594
5595         * system.h (list, map, set, vector): Include conditionally.
5596         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
5597         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
5598         * ipa-icf.c (INCLUDE_LIST): Define.
5599         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
5600         * config/sh/sh.c (INCLUDE_VECTOR): Define.
5601         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
5602         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
5603         * cp/logic.cc (INCLUDE_LIST): Define.
5604         * fortran/trans-common.c (INCLUDE_MAP): Define.
5605
5606 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5607
5608         * auto-profile.c: Remove <string.h> include.
5609         * ipa-icf-gimple.c: Remove <list> include.
5610         * diagnostic.c: Remove <new> include.
5611         * genmatch.c: Likewise.
5612         * pretty-print.c: Likewise.
5613         * toplev.c: Likewise
5614         * c/c-objc-common.c: Likewise.
5615         * cp/error.c: Likewise.
5616         * fortran/error.c: Likewise.
5617
5618 2016-04-22  Richard Biener  <rguenther@suse.de>
5619
5620         * lto-streamer-in.c (input_ssa_names): Do not allocate
5621         GIMPLE_NOP for all SSA names.
5622         * lto-streamer-out.c (output_ssa_names): Do not output
5623         SSA names that should have been released.
5624
5625 2016-04-22  Richard Biener  <rguenther@suse.de>
5626
5627         PR tree-optimization/70740
5628         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
5629         VDEF.
5630
5631 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5632
5633         PR target/70750
5634         * config/i386/predicates.md (call_insn_operand): Replace
5635         sibcall_memory_operand with memory_operand.
5636
5637 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
5638
5639         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
5640         has_single_use() tests.
5641         (register_edge_assert_for_1): Likewise.
5642         (find_assert_locations_1): Check the liveness bitmap instead of
5643         checking has_single_use().
5644
5645 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5646
5647         PR target/70728
5648         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
5649         Extract AVX-512BW constraint from AVX.
5650
5651 2016-04-21  Richard Biener  <rguenther@suse.de>
5652
5653         PR tree-optimization/70725
5654         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
5655         for phi_convertible_by_degenerating_args.
5656         (predicate_all_scalar_phis): Handle single-argument PHIs.
5657
5658 2016-04-21  Richard Biener  <rguenther@suse.de>
5659
5660         PR middle-end/70747
5661         * fold-const.c (fold_comparison): Return properly typed
5662         constant boolean.
5663
5664 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
5665
5666         PR tree-optimization/70715
5667         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
5668         after expanding BASE using expand_simple_operations.
5669
5670 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5671
5672         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
5673         New transformations.
5674
5675 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5676
5677         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
5678
5679 2016-04-20  Jan Hubicka  <jh@suse.cz>
5680
5681         * ipa-inline.c (can_inline_edge_p): Pass caller info to
5682         ultiimate_alias_target.
5683         (update_callee_keys): Likewise.
5684         (lookup_recursive_calls): Likewise.
5685         (speculation_useful_p): Likewise.
5686
5687 2016-04-20  Jan Hubicka  <jh@suse.cz>
5688
5689         PR ipa/70018
5690         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
5691         (set_nothrow_flag_1): ... this; handle interposition correctly;
5692         recurse on aliases and thunks.
5693         (cgraph_node::set_nothrow_flag): New.
5694         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
5695         functions compiled with non-call exceptions that binds to current
5696         def.
5697         (propagate_nothrow): Be safe WRT interposition.
5698         * cgraph.h (set_nothrow_flag): Update prototype.
5699
5700 2016-04-18  Jan Hubicka  <jh@suse.cz>
5701
5702         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5703         max_loop_iterations_int.
5704         (tree_unswitch_outer_loop): Likewise.
5705
5706 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5707
5708         PR tree-optimization/69489
5709         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
5710         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
5711         Revise dump message.
5712         (if_convertible_bb_p): Remove check on edge count of basic block's
5713         predecessors.
5714
5715 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5716
5717         PR tree-optimization/56625
5718         PR tree-optimization/69489
5719         * tree-data-ref.h (DR_INNERMOST): New macro.
5720         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
5721         hashing struct innermost_loop_behavior.
5722         (ref_DR_map): Remove.
5723         (innermost_DR_map): New map.
5724         (baseref_DR_map): Revise comment.
5725         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
5726         to innermost_DR_map accroding to its innermost loop behavior.
5727         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
5728         to its innermost loop behavior.
5729         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
5730         Add initialization for innermost_DR_map.  Record memory reference
5731         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
5732         have innermost loop behavior.
5733         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
5734         innermost_DR_map.
5735
5736 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
5737
5738         * config/i386/i386.md (*lea<mode>_general_1): Rename from
5739         *lea_general_1.  Use explicit SWI12 mode interator.
5740         (*lea<mode>_general_2): Rename from *lea_general_2.
5741         Use explicit SWI12 mode interator.
5742         (*lea<mode>_general_3): Rename from *lea_general_3.
5743         Use explicit SWI12 mode interator.
5744         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
5745         Use explicit SWI12 mode interator.
5746         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
5747         Use explicit SWI48 mode interator.
5748
5749 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5750
5751         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5752         Short-cut unaligned load and store cases.  Handle all integer
5753         vector modes.
5754         (ix86_expand_vector_move_misalign): Short-cut unaligned load
5755         and store cases.  Call ix86_avx256_split_vector_move_misalign
5756         directly without checking mode class.
5757
5758 2016-04-20  Andrew Pinski  <apinski@cavium.com>
5759             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5760
5761         PR target/64971
5762         * config/aarch64/aarch64.md (sibcall): Force call
5763         address to be DImode for ILP32.
5764         (sibcall_value): Likewise.
5765
5766 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5767
5768         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
5769
5770 2016-04-20  Richard Biener  <rguenther@suse.de>
5771
5772         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
5773         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
5774         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
5775         (maybe_push_res_to_seq): Adjust.
5776         * gimple-fold.c (maybe_build_generic_op): Likewise.
5777
5778 2016-04-20  Marek Polacek  <polacek@redhat.com>
5779
5780         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
5781         rather than true.
5782
5783 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
5784
5785         * config/i386/sse.md (vec_unpacks_lo_hi): Always
5786         use kmovw to support AVX512F target.
5787
5788 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5789
5790         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
5791
5792 2016-04-20  Marek Polacek  <polacek@redhat.com>
5793
5794         PR tree-optimization/70725
5795         * tree-if-conv.c (is_false_predicate): New function.
5796         (predicate_mem_writes): Use it.
5797
5798 2016-04-20  Richard Biener  <rguenther@suse.de>
5799
5800         PR tree-optimization/70726
5801         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
5802         shift amounts from a pattern stmt operand.
5803
5804 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5805
5806         PR target/70674
5807         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
5808         stack_restore_from_fpr pattern when restoring r15.
5809         (s390_optimize_prologue): Strip away the memory barrier in the
5810         parallel when trying to get rid of restore insns.
5811         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
5812         definition for loading the stack pointer from an FPR.  Compared to
5813         the normal move insn this pattern includes a full memory barrier.
5814
5815 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
5816
5817         PR middle-end/70680
5818         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
5819         implicitly linear or lastprivate iterator on the outer context.
5820
5821 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5822
5823         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
5824         alignment check.
5825         * config/i386/i386.md (ssememalign): Removed.
5826         * config/i386/sse.md: Remove ssememalign attribute from patterns.
5827
5828 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5829
5830         PR target/69201
5831         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
5832         const short * to __builtin_ia32_loaddquhi512_mask.
5833         (_mm512_maskz_loadu_epi16): Likewise.
5834         (_mm512_mask_storeu_epi16): Pass short * to
5835         __builtin_ia32_storedquhi512_mask.
5836         (_mm512_mask_loadu_epi8): Pass const char * to
5837         __builtin_ia32_loaddquqi512_mask.
5838         (_mm512_maskz_loadu_epi8): Likewise.
5839         (_mm512_mask_storeu_epi8): Pass char * to
5840         __builtin_ia32_storedquqi512_mask.
5841         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
5842         const double * to __builtin_ia32_loadupd512_mask.
5843         (_mm512_mask_loadu_pd): Likewise.
5844         (_mm512_maskz_loadu_pd): Likewise.
5845         (_mm512_storeu_pd): Pass double * to
5846         __builtin_ia32_storeupd512_mask.
5847         (_mm512_mask_storeu_pd): Likewise.
5848         (_mm512_loadu_ps): Pass const float * to
5849         __builtin_ia32_loadups512_mask.
5850         (_mm512_mask_loadu_ps): Likewise.
5851         (_mm512_maskz_loadu_ps): Likewise.
5852         (_mm512_storeu_ps): Pass float * to
5853         __builtin_ia32_storeups512_mask.
5854         (_mm512_mask_storeu_ps): Likewise.
5855         (_mm512_mask_loadu_epi64): Pass const long long * to
5856         __builtin_ia32_loaddqudi512_mask.
5857         (_mm512_maskz_loadu_epi64): Likewise.
5858         (_mm512_mask_storeu_epi64): Pass long long *
5859         to __builtin_ia32_storedqudi512_mask.
5860         (_mm512_loadu_si512): Pass const int * to
5861         __builtin_ia32_loaddqusi512_mask.
5862         (_mm512_mask_loadu_epi32): Likewise.
5863         (_mm512_maskz_loadu_epi32): Likewise.
5864         (_mm512_storeu_si512): Pass int * to
5865         __builtin_ia32_storedqusi512_mask.
5866         (_mm512_mask_storeu_epi32): Likewise.
5867         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
5868         char * to __builtin_ia32_storedquqi256_mask.
5869         (_mm_mask_storeu_epi8): Likewise.
5870         (_mm256_mask_loadu_epi16): Pass const short * to
5871         __builtin_ia32_loaddquhi256_mask.
5872         (_mm256_maskz_loadu_epi16): Likewise.
5873         (_mm_mask_loadu_epi16): Pass const short * to
5874         __builtin_ia32_loaddquhi128_mask.
5875         (_mm_maskz_loadu_epi16): Likewise.
5876         (_mm256_mask_loadu_epi8): Pass const char * to
5877         __builtin_ia32_loaddquqi256_mask.
5878         (_mm256_maskz_loadu_epi8): Likewise.
5879         (_mm_mask_loadu_epi8): Pass const char * to
5880         __builtin_ia32_loaddquqi128_mask.
5881         (_mm_maskz_loadu_epi8): Likewise.
5882         (_mm256_mask_storeu_epi16): Pass short * to.
5883         __builtin_ia32_storedquhi256_mask.
5884         (_mm_mask_storeu_epi16): Pass short * to.
5885         __builtin_ia32_storedquhi128_mask.
5886         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
5887         const double * to __builtin_ia32_loadupd256_mask.
5888         (_mm256_maskz_loadu_pd): Likewise.
5889         (_mm_mask_loadu_pd): Pass onst double * to
5890         __builtin_ia32_loadupd128_mask.
5891         (_mm_maskz_loadu_pd): Likewise.
5892         (_mm256_mask_storeu_pd): Pass double * to
5893         __builtin_ia32_storeupd256_mask.
5894         (_mm_mask_storeu_pd): Pass double * to
5895         __builtin_ia32_storeupd128_mask.
5896         (_mm256_mask_loadu_ps): Pass const float * to
5897         __builtin_ia32_loadups256_mask.
5898         (_mm256_maskz_loadu_ps): Likewise.
5899         (_mm_mask_loadu_ps): Pass const float * to
5900         __builtin_ia32_loadups128_mask.
5901         (_mm_maskz_loadu_ps): Likewise.
5902         (_mm256_mask_storeu_ps): Pass float * to
5903         __builtin_ia32_storeups256_mask.
5904         (_mm_mask_storeu_ps): ass float * to
5905         __builtin_ia32_storeups128_mask.
5906         (_mm256_mask_loadu_epi64): Pass const long long * to
5907         __builtin_ia32_loaddqudi256_mask.
5908         (_mm256_maskz_loadu_epi64): Likewise.
5909         (_mm_mask_loadu_epi64): Pass const long long * to
5910         __builtin_ia32_loaddqudi128_mask.
5911         (_mm_maskz_loadu_epi64): Likewise.
5912         (_mm256_mask_storeu_epi64): Pass long long * to
5913         __builtin_ia32_storedqudi256_mask.
5914         (_mm_mask_storeu_epi64): Pass long long * to
5915         __builtin_ia32_storedqudi128_mask.
5916         (_mm256_mask_loadu_epi32): Pass const int * to
5917         __builtin_ia32_loaddqusi256_mask.
5918         (_mm256_maskz_loadu_epi32): Likewise.
5919         (_mm_mask_loadu_epi32): Pass const int * to
5920         __builtin_ia32_loaddqusi128_mask.
5921         (_mm_maskz_loadu_epi32): Likewise.
5922         (_mm256_mask_storeu_epi32): Pass int * to
5923         __builtin_ia32_storedqusi256_mask.
5924         (_mm_mask_storeu_epi32): Pass int * to
5925         __builtin_ia32_storedqusi128_mask.
5926         * config/i386/i386-builtin-types.def (PCSHORT): New.
5927         (PINT64): Likewise.
5928         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
5929         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
5930         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
5931         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
5932         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
5933         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
5934         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
5935         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
5936         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
5937         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
5938         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
5939         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
5940         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
5941         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
5942         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
5943         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
5944         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
5945         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
5946         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
5947         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
5948         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
5949         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
5950         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
5951         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
5952         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
5953         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
5954         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
5955         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
5956         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
5957         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
5958         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
5959         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
5960         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
5961         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
5962         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
5963         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
5964         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
5965         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
5966         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
5967         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
5968         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
5969         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
5970         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
5971         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
5972         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
5973         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
5974         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
5975         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
5976         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
5977         use UNSPEC_STOREU.
5978         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
5979         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
5980         load nor store.
5981         (ix86_expand_vector_move_misalign): Likewise.
5982         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
5983         to scalar function prototype for unaligned load/store builtins.
5984         (ix86_expand_special_args_builtin): Updated.
5985         * config/i386/sse.md (UNSPEC_LOADU): Removed.
5986         (UNSPEC_STOREU): Likewise.
5987         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
5988         (VI_ULOADSTORE_F_AVX512VL): Likewise.
5989         (ssescalarsize): Handle V4TI, V2TI and V1TI.
5990         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5991         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5992         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
5993         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
5994         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
5995         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
5996         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
5997         (<avx512>_storedqu<mode>_mask): Likewise.
5998         (*sse4_2_pcmpestr_unaligned): Likewise.
5999         (*sse4_2_pcmpistr_unaligned): Likewise.
6000         (*mov<mode>_internal): Renamed to ...
6001         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
6002         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
6003         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
6004         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
6005
6006 2016-04-19  Richard Biener  <rguenther@suse.de>
6007
6008         PR tree-optimization/70171
6009         * tree-ssa-phiprop.c: Include stor-layout.h.
6010         (phiprop_insert_phi): Handle the aggregate copy case.
6011         (propagate_with_phi): Likewise.
6012
6013 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
6014
6015         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
6016         instead of simplify_gen_subreg (... , 0).
6017         (ix86_delegitimize_address): Ditto.
6018         (ix86_split_divmod): Ditto.
6019         (ix86_split_copysign_const): Ditto.
6020         (ix86_split_copysign_var): Ditto.
6021         (ix86_expand_args_builtin): Ditto.
6022         (ix86_expand_round_builtin): Ditto.
6023         (ix86_expand_special_args_builtin): Ditto.
6024         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
6025         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
6026         (udivmodqi4): Ditto.
6027         (absneg splitters): Ditto.
6028         (*jcc_bt<mode>_1): Ditto.
6029
6030 2016-04-19  Richard Biener  <rguenther@suse.de>
6031
6032         PR tree-optimization/70724
6033         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
6034         restoring out from ...
6035         (free_scc_vn): ... here.
6036         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
6037         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
6038         tail merging.
6039         (pass_fre::execute): Restore SSA info.
6040
6041 2016-04-19  Richard Biener  <rguenther@suse.de>
6042
6043         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
6044         * gimple-walk.c (walk_gimple_op): Initialize it.
6045         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
6046         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
6047         remapping SSA names of defs.
6048         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
6049         adjustment.
6050
6051 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
6052
6053         PR middle-end/70689
6054         * lra-constraints.c (equiv_substition_p): New.
6055         (process_alt_operands): Use it.
6056         (swap_operands): Swap it.
6057         (curr_insn_transform): Update it.
6058
6059 2016-04-18  Michael Matz  <matz@suse.de>
6060
6061         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
6062         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
6063         * tree-core.h (tree_type_common.align): Use bit-field.
6064         (tree_type_common.spare): New.
6065         (tree_decl_common.off_align): Make smaller.
6066         (tree_decl_common.align): Use bit-field.
6067
6068         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
6069         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
6070         (scan_sharing_clauses): Ditto.
6071         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6072         (omp_finish_file): Ditto.
6073         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
6074         (layout_decl): Ditto.
6075         (relayout_decl): Ditto.
6076         (finalize_record_size): Use SET_TYPE_ALIGN.
6077         (finalize_type_size): Ditto.
6078         (finish_builtin_struct): Ditto.
6079         (layout_type): Ditto.
6080         (initialize_sizetypes): Ditto.
6081         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
6082         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
6083         (lookup_field_for_decl): Use SET_DECL_ALIGN.
6084         (get_chain_field): Ditto.
6085         (get_trampoline_type): Ditto.
6086         (get_nl_goto_field): Ditto.
6087         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
6088         SET_DECL_ALIGN.
6089         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
6090         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
6091         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
6092         (build_qualified_type): Use SET_TYPE_ALIGN.
6093         (build_aligned_type, build_range_type_1): Ditto.
6094         (build_atomic_base): Ditto.
6095         (build_common_tree_nodes): Ditto.
6096         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
6097         (expand_one_stack_var_at): Ditto.
6098         * coverage.c (build_var): Use SET_DECL_ALIGN.
6099         * except.c (init_eh): Ditto.
6100         * function.c (assign_parm_setup_block): Ditto.
6101         * symtab.c (increase_alignment_1): Ditto.
6102         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
6103         * tree-vect-stmts.c (ensure_base_align): Ditto.
6104         * varasm.c (align_variable): Ditto.
6105         (assemble_variable): Ditto.
6106         (build_constant_desc): Ditto.
6107         (output_constant_def_contents): Ditto.
6108
6109         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
6110         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
6111         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
6112         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
6113         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
6114
6115 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
6116
6117         PR target/70708
6118         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
6119         replace %vmovsd with "%vmovq".
6120         (vec_concatv2df): Likewise.
6121
6122 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
6123
6124         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
6125         (*vec_extractv2si_0): Ditto.
6126         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
6127         (zero_extended_scalar_load_operand splitters): Ditto.
6128         (vec_extract splitters): Ditto.
6129         (*vec_extractv4si_0_zext): Ditto.
6130         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
6131         and lowpart_subreg.
6132         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
6133         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
6134         (*sse4_1_extractps): Use lowpart_subreg.
6135         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
6136
6137 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6138
6139         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
6140         gld requirements.
6141         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
6142         Mention Solaris 11 packaging changes.
6143         Update gas and gld requirements.
6144         Remove reference to pre-Solaris 10 bug.
6145         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
6146         systems and bugs.
6147         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
6148         with cc.
6149
6150 2016-04-17  Jan Hubicka  <jh@suse.cz>
6151
6152         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
6153         max_loop_iterations_int.
6154
6155 2016-04-18  Richard Biener  <rguenther@suse.de>
6156
6157         PR tree-optimization/43434
6158         * tree-ssa-structalias.c (struct vls_data): New.
6159         (visit_loadstore): Handle all pointer-based accesses.
6160         (compute_dependence_clique): Compute a bitmap of restrict tags
6161         assigned bases and pass it to visit_loadstore.
6162
6163 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
6164
6165         PR target/70711
6166         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
6167         armv8.1-a and armv8.1-a+crc.
6168
6169 2016-04-18  Richard Biener  <rguenther@suse.de>
6170
6171         PR tree-optimization/70701
6172         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
6173         references after translating through a memcpy.
6174
6175 2016-04-18  Richard Biener  <rguenther@suse.de>
6176
6177         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
6178         (compute_antic): ... here.  For partial antic use regular
6179         postorder and scrap iteration.
6180         (compute_partial_antic_aux): Remove unused return value.
6181         (init_pre): Do not allocate postorder.
6182         (fini_pre): Do not free postorder.
6183
6184 2016-04-18  Richard Biener  <rguenther@suse.de>
6185
6186         PR middle-end/37870
6187         * expmed.c (extract_bit_field_1): Remove broken case
6188         using a wider MODE_INT mode.
6189
6190 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
6191
6192         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
6193         unless compiling with at least GCC-4.8.
6194
6195 2016-04-17  Jan Hubicka  <jh@suse.cz>
6196
6197         PR bootstrap/70706
6198         * graphite.c (graphite_finalize): Update call to
6199         tree_estimate_probability.
6200         * predict.h (tree_estimate_probability): Update prototype.
6201
6202 2016-04-17  Jan Hubicka  <jh@suse.cz>
6203
6204         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
6205         (tree_estimate_probability): Likewise.
6206         (pass_profile::execute): Update.
6207         (report_predictor_hitrates): New function.
6208         * profile.c (compute_branch_probabilities): Use it.
6209         * predict.h (report_predictor_hitrates): Declare.
6210
6211 2016-04-17  Jan Hubicka  <jh@suse.cz>
6212
6213         PR ipa/70018
6214         * cgraph.h (cgraph_node::set_const_flag,
6215         cgraph_node::set_pure_flag): Update prototype to return bool;
6216         update comment.
6217         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
6218         of interposable symbol are interposable, too.
6219         (cgraph_set_const_flag_1): Rename to ...
6220         (set_const_flag_1): ... this one; change to self recursive function
6221         instead of call_for_symbol_thunks_and_aliases. Handle correctly
6222         clearnig the flag in all variants and also virtual thunks of const
6223         functions are pure; track if any change was done.
6224         (cgraph_node::set_const_flag): Update.
6225         (struct set_pure_flag_info): New struct.
6226         (cgraph_set_pure_flag_1): Rename to ...
6227         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
6228         rather than pointer encoded flags; track if any changes was done;
6229         handle correctly clearning flag and setting flag of aliases already
6230         declared const.
6231         (cgraph_node::set_pure_flag): Update.
6232         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
6233
6234 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6235
6236         PR other/70433
6237         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
6238         backslash in label.
6239
6240 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6241
6242         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
6243         '{}<> ' as escape-for-record.
6244
6245 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6246
6247         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
6248         structure.
6249
6250 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6251
6252         PR other/70185
6253         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
6254         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
6255         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
6256         * passes.c (finish_optimization_passes): Only call
6257         finish_graph_dump_file if dfi->graph_dump_initialized.
6258         (execute_function_dump, pass_init_dump_file): Use
6259         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
6260
6261 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6262
6263         PR tree-optimization/70256
6264         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
6265         (debug_varmap): New function.
6266
6267 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6268
6269         PR other/70183
6270         * passes.c (pass_manager::register_pass): Propagate pflags.
6271
6272 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6273
6274         PR other/68875
6275         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
6276         * passes.c (pass_manager::pass_manager): Declare and init p_start in
6277         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
6278         check if it's equal to p_start.
6279         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
6280
6281 2016-04-15  Jan Hubicka  <jh@suse.cz>
6282
6283         PR ipa/70018
6284         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
6285         function does not bind to current def.
6286         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
6287         handle conservatively calls to functions that does not need to bind
6288         to current def.
6289         (check_call): Update call of worse_state.
6290         (ignore_edge_for_nothrow): Update.
6291         (ignore_edge_for_pure_const): Likewise.
6292         (propagate_pure_const): Update calls to worse_state.
6293         (skip_function_for_local_pure_const): Reformat comments.
6294
6295 2016-04-15  Jan Hubicka  <jh@suse.cz>
6296
6297         PR ipa/70018
6298         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
6299         (cgraph_node::function_symbol): Likewise.
6300         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6301         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
6302         (symtab_node::ultimate_alias_target): Add REF parameter.
6303         (symtab_node::binds_to_current_def_p): Declare.
6304         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
6305         (cgraph_node::function_symbol): Likewise.
6306         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6307         (cgraph_node::get_availability): Likewise.
6308         (cgraph_edge::binds_to_current_def_p): New inline function.
6309         (varpool_node::get_availability): Add REF parameter.
6310         (varpool_node::ultimate_alias_target): Likewise.
6311         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
6312         (symtab_node::binds_to_current_def_p): Likewise.
6313         * varpool.c (varpool_node::get_availability): Likewise.
6314
6315 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6316
6317         PR target/70662
6318         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
6319         Fix mode size check.
6320
6321 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6322
6323         * BASE-VER: Set to 7.0.0.
6324
6325 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
6326
6327         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
6328
6329 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6330
6331         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
6332         architecture revisions.
6333
6334 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
6335
6336         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
6337         * config/i386/i386.c (ix86_using_red_zone): No longer static.
6338         * config/i386/i386.md (stack decrement to push peepholes): Guard
6339         with !x86_using_red_zone ().
6340
6341 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6342
6343         PR c++/70675
6344         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
6345         to dump_generic_node.
6346         (NIY): Pass also flags to do_niy.
6347
6348 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
6349
6350         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
6351         (simd_clone_vector_of_formal_parm_types)
6352         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
6353         (simd_clone_mangle, simd_clone_create)
6354         (simd_clone_adjust_return_type, create_tmp_simd_array)
6355         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
6356         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
6357         (ipa_simd_modify_function_body, simd_clone_linear_addend)
6358         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
6359         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
6360         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
6361         * omp-simd-clone.c: ... this new file.
6362         (simd_clone_vector_of_formal_parm_types): Make it static.
6363         * Makefile.in (OBJS): Add omp-simd-clone.o.
6364
6365 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6366
6367         PR target/70662
6368         * config/i386/sse.md: Use proper memory operand modifiers.
6369
6370
6371 2016-04-15  Richard Biener  <rguenther@suse.de>
6372         Alan Modra  <amodra@gmail.com>
6373
6374         PR tree-optimization/70130
6375         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
6376         when alignment stays not the same and no not use the realign
6377         scheme then.
6378
6379 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6380
6381         PR target/70669
6382         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6383         direct move handlers for KFmode. Change TFmode handlers test from
6384         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
6385
6386 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
6387
6388         PR c++/70594
6389         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
6390         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
6391         (inlined_polymorphic_ctor_dtor_block_p): Use it.
6392         * tree-ssa-live.c (remove_unused_scope_block_p): When
6393         in_ctor_dtor_block, avoid discarding not just BLOCKs with
6394         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
6395         block_ultimate_origin is FUNCTION_DECL.
6396         (remove_unused_locals): If current_function_decl is
6397         polymorphic_ctor_dtor_p, pass initial true to
6398         remove_unused_scope_block_p' is_ctor_dtor_block.
6399
6400 2016-04-14  Martin Sebor  <msebor@redhat.com>
6401
6402         PR c++/69517
6403         PR c++/70019
6404         PR c++/70588
6405         * doc/extend.texi (Variable Length): Revert.
6406
6407 2016-04-14  Marek Polacek  <polacek@redhat.com>
6408             Jan Hubicka  <hubicka@ucw.cz>
6409
6410         PR c++/70029
6411         * tree.c (verify_type): Disable the canonical type of main variant
6412         check.
6413
6414 2016-04-14  Jason Merrill  <jason@redhat.com>
6415
6416         * cfgexpand.c, expr.c: Revert previous change.
6417
6418 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
6419
6420         PR middle-end/70643
6421         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
6422         when building a mem ref for the incoming reduction variable.
6423
6424 2016-04-14  Richard Biener  <rguenther@suse.de>
6425
6426         PR tree-optimization/70614
6427         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
6428         loop if the evolution dropped to chrec_dont_know.
6429         (interpret_condition_phi): Likewise.
6430
6431 2016-04-14  Richard Biener  <rguenther@suse.de>
6432
6433         PR tree-optimization/70623
6434         * tree-ssa-pre.c (changed_blocks): Make global ...
6435         (compute_antic): ... local here.  Move and fix worklist
6436         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
6437         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
6438         worklist handling, dump when ANTIC_IN changed.
6439         (compute_partial_antic_aux): Remove worklist handling.
6440         (init_pre): Do not compute post dominators.  Add a comment about
6441         the CFG order chosen.
6442         (fini_pre): Do not free post dominators.
6443
6444 2016-04-13  Martin Sebor  <msebor@redhat.com>
6445
6446         PR c++/69517
6447         PR c++/70019
6448         PR c++/70588
6449         * doc/extend.texi (Variable Length): Document C++ specifics.
6450
6451 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6452
6453         PR c++/70641
6454         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
6455         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
6456         eh edges have been purged.
6457
6458         PR c++/70594
6459         * tree-sra.c (create_access_replacement,
6460         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
6461         gets fancy name.
6462         * tree-pretty-print.c (dump_fancy_name): New function.
6463         (dump_decl_name, dump_generic_node): Use it.
6464
6465 2016-04-13  Jason Merrill  <jason@redhat.com>
6466
6467         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
6468         * expr.c (expand_expr_real_1): Likewise.
6469
6470 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
6471
6472         * config/i386/i386.md (kunpckhi): Swap operands.
6473         (kunpcksi): Likewise.
6474         (kunpckdi): Likewise.
6475         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
6476         (vec_pack_trunc_<mode>): Likewise.
6477
6478 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6479
6480         PR debug/70628
6481         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
6482
6483         PR middle-end/70633
6484         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
6485         gimplification turns some element into non-constant.
6486
6487         PR debug/70628
6488         * rtl.h (convert_memory_address_addr_space_1): New prototype.
6489         * explow.c (convert_memory_address_addr_space_1): No longer static,
6490         add NO_EMIT argument and don't call convert_modes if true, pass
6491         it down recursively, remove break after return.
6492         (convert_memory_address_addr_space): Adjust caller.
6493         * simplify-rtx.c (simplify_unary_operation_1): Call
6494         convert_memory_address_addr_space_1 instead of convert_memory_address,
6495         if it returns NULL, don't simplify.
6496
6497 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6498
6499         PR target/70630
6500         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6501
6502 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6503
6504         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6505         Bump the upper SIMDLEN limits, so that if the return type or
6506         characteristic type if the return type is void can be passed in
6507         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
6508         allowed.
6509
6510 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6511
6512         PR target/70640
6513         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
6514         Do not use "=" constraint on an input constraint.
6515         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
6516         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
6517         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
6518         generates (neg (abs ...)) instead of (abs ...).
6519
6520 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6521
6522         PR rtl-optimization/70596
6523         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
6524         just invalidate LRA data and reset them.  Adjust dump wording.
6525
6526 2016-04-12  Martin Liska  <mliska@suse.cz>
6527
6528         Revert
6529         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6530
6531         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6532         estimates here.
6533         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6534         max_loop_iterations_int.
6535         (tree_unswitch_outer_loop): Likewise.
6536         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6537         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6538
6539 2016-04-12  Tom de Vries  <tom@codesourcery.com>
6540
6541         PR tree-optimization/68756
6542         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
6543         instead of new_name.
6544
6545 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6546
6547         PR tree-optimization/70602
6548         * tree-sra.c (generate_subtree_copies): Don't write anything into
6549         constant pool decls.
6550
6551         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
6552         regardless whether there are depend clauses or not.
6553
6554 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6555
6556         PR target/70381
6557         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
6558         target attribute and pragma from changing the -mfloat128
6559         and -mfloat128-hardware options.
6560
6561         * doc/extend.texi (Additional Floating Types): Document PowerPC
6562         __float128 restrictions.
6563
6564 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6565
6566         PR target/70133
6567         * config/aarch64/driver-aarch64.c
6568         (aarch64_get_extension_string_for_isa_flags): New.
6569         (arch_extension): Rename to...
6570         (aarch64_arch_extension): ...This.
6571         (ext_to_feat_string): Rename to...
6572         (aarch64_extensions): ...This.
6573         (aarch64_core_data): Keep track of architecture extension flags.
6574         (cpu_data): Rename to...
6575         (aarch64_cpu_data): ...This.
6576         (aarch64_arch_driver_info): Keep track of architecture extension
6577         flags.
6578         (get_arch_name_from_id): Rename to...
6579         (get_arch_from_id): ...This, change return type.
6580         (host_detect_local_cpu): Update and reformat for renames, handle
6581         extensions through common infrastructure.
6582
6583 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6584
6585         PR target/70133
6586         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
6587         track of a canonical flag name.
6588         (all_extensions): Likewise.
6589         (arch_to_arch_name): Also track extension flags enabled by the arch.
6590         (all_architectures): Likewise.
6591         (aarch64_parse_extension): Move to here.
6592         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
6593         rework.
6594         (aarch64_rewrite_selected_cpu): Update for above change.
6595         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
6596         are handled, such that the single explicit value enabled by an
6597         extension is kept seperate from the implicit values it also enables.
6598         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
6599         to here.
6600         (aarch64_parse_extension): New.
6601         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
6602         here to config/aarch64/aarch64-protos.h.
6603         (aarch64_parse_extension): Move from here to
6604         common/config/aarch64/aarch64-common.c.
6605         (aarch64_option_print): Update.
6606         (aarch64_declare_function_name): Likewise.
6607         (aarch64_start_file): Likewise.
6608         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
6609         the canonical flag for extensions.
6610         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
6611         flags.
6612
6613 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6614
6615         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
6616         AARCH64_FL_CRC.
6617
6618 2016-04-09  Tom de Vries  <tom@codesourcery.com>
6619
6620         PR tree-optimization/68953
6621         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
6622         first to last subscript.
6623
6624 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
6625
6626         PR tree-optimization/70586
6627         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
6628         for any calls.
6629
6630 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
6631
6632         PR lto/70289
6633         PR ipa/70348
6634         PR tree-optimization/70373
6635         PR middle-end/70533
6636         PR middle-end/70534
6637         PR middle-end/70535
6638         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
6639         clauses for acc parallel reductions as necessary.  Error on those
6640         that are private.
6641         * omp-low.c (scan_sharing_clauses): Don't install variables which
6642         are used in acc parallel reductions.
6643         (lower_rec_input_clauses): Remove dead code.
6644         (lower_oacc_reductions): Add support for reference reductions.
6645         (lower_reduction_clauses): Remove dead code.
6646         (lower_omp_target): Don't remap variables appearing in acc parallel
6647         reductions.
6648         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
6649
6650 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
6651
6652         PR middle-end/70593
6653         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
6654         with multiple SSA_NAME defs, force the outputs other than first
6655         to be live before calling live_track_process_def on each output.
6656
6657         PR rtl-optimization/70574
6658         * fwprop.c (forward_propagate_and_simplify): Don't add
6659         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
6660         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
6661         paradoxical subregs within *loc.
6662
6663 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
6664
6665         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
6666         -ftree-parallelize-loops={0,1}.
6667         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
6668         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
6669         * config/ia64/hpux.h (LIB_SPEC): Likewise.
6670         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
6671         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
6672
6673 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
6674
6675         PR sanitizer/70541
6676         * asan.c (instrument_derefs): If we get unknown location, extract it
6677         with EXPR_LOCATION.
6678         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
6679
6680 2016-04-08  Tom de Vries  <tom@codesourcery.com>
6681
6682         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
6683         implicit firstprivate clause.
6684
6685 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6686
6687         PR target/70566
6688         * config/arm/thumb2.md (tst + branch-> lsls + branch
6689         peephole below *orsi_not_shiftsi_si): Require that condition
6690         register is dead after the peephole.
6691         (second peephole after the above): Likewise.
6692
6693 2016-04-08  Alan Modra  <amodra@gmail.com>
6694
6695         PR target/70117
6696         * builtins.c (fold_builtin_classify): For IBM extended precision,
6697         look at just the high-order double to test for NaN.
6698         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
6699         test just the high double for Inf but both doubles for subnormal
6700         limit.
6701
6702 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
6703
6704         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
6705         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
6706         node->simdclone->mask_mode != VOIDmode masks.
6707         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
6708         earlier, use it instead of node->simdclone.
6709         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6710         Set clonei->mask_mode.
6711
6712 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6713
6714         PR c/70436
6715         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
6716         Pass it through to cp_parser_already_scoped_statement.
6717         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
6718         it through to cp_parser_statement.
6719         (cp_parser_statement): Pass IF_P through to
6720         cp_parser_iteration_statement.
6721         (cp_parser_pragma): Adjust call to
6722         cp_parser_iteration_statement.
6723
6724 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6725
6726         PR c/70436
6727         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
6728         resolve a future -Wparentheses warning.
6729         * omp-low.c (scan_sharing_clauses): Likewise.
6730         * tree-parloops.c (eliminate_local_variables): Likewise.
6731
6732 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
6733
6734         PR rtl-optimization/70398
6735         * lra-constraints.c (process_address_1): Check zero scale and code
6736         for reloading with zero scale.
6737
6738 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
6739
6740         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
6741         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
6742
6743 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
6744
6745         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6746         Add support for AVX512F clones, include them by default for
6747         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
6748         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
6749         up to 128.
6750
6751         PR middle-end/70550
6752         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
6753         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
6754         firstprivate clauses.
6755         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
6756         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
6757         (lower_omp_target): Set TREE_NO_WARNING for
6758         non-addressable possibly uninitialized vars which are copied into
6759         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
6760
6761 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
6762
6763         * config/pa/predicates.md (integer_store_memory_operand): Accept
6764         REG+D operands with a large offset when reload_in_progress is true.
6765         (floating_point_store_memory_operand): Likewise.
6766
6767 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6768
6769         PR c++/70336
6770         * match.pd (nested int casts): Limit to GIMPLE.
6771
6772 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
6773
6774         PR ipa/66223
6775         * ipa-devirt.c (maybe_record_node): Fix comment; use
6776         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
6777
6778 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6779
6780         PR rtl-optimization/70542
6781         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
6782         if there are any uses other than insn or debug insns.
6783
6784 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
6785             Jakub Jelinek  <jakub@redhat.com>
6786
6787         PR tree-optimization/70509
6788         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
6789         Shift HOST_WIDE_INT_1U instead of 1.
6790
6791 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
6792
6793         PR tree-optimization/70509
6794         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
6795         of the vector base type for index.
6796
6797 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
6798
6799         PR target/70510
6800         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
6801
6802 2016-04-05  Richard Biener  <rguenther@suse.de>
6803
6804         PR tree-optimization/70526
6805         * tree-sra.c (build_ref_for_offset): Use prev_base to
6806         extract the alias pointer type.
6807
6808 2016-04-05  Richard Biener  <rguenther@suse.de>
6809
6810         * dse.c (struct store_info): Remove alias_set member.
6811         (struct read_info_type): Likewise.
6812         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
6813         spill_deleted, clear_alias_set_lookup): Remove.
6814         (get_group_info): Remove dead base == NULL_RTX case.
6815         (dse_step0): Remove initialization of removed variables.
6816         (delete_dead_store_insn): Reomve alias set dumping.
6817         (free_read_records): Remove alias_set handling.
6818         (canon_address): Remove alias_set_out parameter.
6819         (record_store): Remove spill_alias_set, it's always zero.
6820         (check_mem_read_rtx): Likewise.
6821         (dse_step2): Rename from ...
6822         (dse_step2_nospill): ... this.  Adjust.
6823         (scan_stores): Rename from ...
6824         (scan_stores_nospill): ... this.
6825         (scan_reads): Rename from ...
6826         (scan_reads_nospill): ... this.
6827         (scan_stores_spill, scan_reads_spill): Remove.
6828         (dse_step3_scan): Remove for_spills argument which is always false.
6829         (dse_step3): Likewise.
6830         (dse_step5): Rename from ...
6831         (dse_step5_nospill): ... this.  Remove alias_set handling.
6832         (rest_of_handle_dse): Adjust.
6833
6834 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6835
6836         PR target/70525
6837         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
6838         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6839         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
6840         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
6841
6842 2016-04-05  Richard Biener  <rguenther@suse.de>
6843
6844         PR middle-end/70499
6845         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
6846         non-register type temporaries into SSA.
6847
6848 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
6849
6850         PR ipa/66223
6851         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
6852         calls when sanitizing.
6853         (possible_polymorphic_call_target_p): Fix formatting.
6854
6855 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6856             Jakub Jelinek <jakub@redhat.com>
6857
6858         PR middle-end/70457
6859         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
6860         to ensure a call statement is compatible with a built-in's
6861         prototype.
6862         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
6863         Likewise.
6864
6865 2016-04-04  Richard Biener  <rguenther@suse.de>
6866
6867         PR rtl-optimization/70484
6868         * rtl.h (canon_output_dependence): Declare.
6869         * alias.c (canon_output_dependence): New function.
6870         * dse.c (record_store): Use canon_output_dependence rather
6871         than canon_true_dependence.
6872
6873 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6874
6875         PR ipa/68881
6876         * cgraph.h (symtab_node::copy_visibility_from): New function.
6877         * symtab.c (symtab_node::copy_visibility_from): New function.
6878         * ipa-visibility.c (optimize_weakref): New function.
6879         (function_and_variable_visibility): Use it.
6880
6881 2016-04-04  Martin Liska  <mliska@suse.cz>
6882
6883         PR hsa/70402
6884         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
6885         value that is really in range handled by SBR instruction.
6886         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
6887         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
6888         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
6889
6890 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
6891
6892         PR target/70416
6893         PR target/67391
6894         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
6895         set, but not for SP_REG operands.
6896
6897 2016-04-02  Martin Sebor  <msebor@redhat.com>
6898
6899         PR c++/67376
6900         * fold-const.c (maybe_nonzero_address): New function.
6901         (fold_comparison): Call it.  Fold equality and relational
6902         expressions involving null pointers.
6903         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
6904
6905 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
6906
6907         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
6908         the "Y" constraint (scalar FP 0.0 immediate).
6909
6910         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
6911         Add the "const_double" to the list of operand constraints.
6912
6913 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
6914
6915         PR rtl-optimization/70467
6916         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
6917         If low word of the last operand is 0, just emit addition/subtraction
6918         for the high word.
6919
6920 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6921
6922         PR target/70404
6923         * config/s390/s390.c (s390_expand_insv): Check for everything
6924         constant instead of just VOIDmode stuff.
6925
6926 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6927
6928         PR target/70496
6929         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
6930
6931 2016-04-01  Nathan Sidwell  <nathan@acm.org>
6932
6933         * tree.def (TRY_CATCH_EXPR): Correct documentation.
6934
6935 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6936
6937         PR rtl-optimization/70461
6938         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
6939         is necessary.
6940
6941 2016-03-31  Martin Liska  <mliska@suse.cz>
6942
6943         PR hsa/70399
6944         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
6945         a tree value or an immediate integer value to a buffer
6946         that is eventually copied to a BRIG section.
6947         (emit_immediate_operand): Call the function here.
6948         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
6949         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
6950         of class' fields that are removed.
6951         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
6952         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
6953         m_brig_repr_size fields.
6954
6955 2016-03-31  Martin Liska  <mliska@suse.cz>
6956
6957         PR hsa/70391
6958         * hsa-gen.c (hsa_function_representation::update_dominance): New
6959         function.
6960         (convert_addr_to_flat_segment): Likewise.
6961         (gen_hsa_memory_set): New alignment argument.
6962         (gen_hsa_ctor_assignment): Likewise.
6963         (gen_hsa_insns_for_single_assignment): Provide alignment
6964         to gen_hsa_ctor_assignment.
6965         (gen_hsa_insns_for_direct_call): Add new argument.
6966         (expand_lhs_of_string_op): New function.
6967         (expand_string_operation_builtin): Likewise.
6968         (expand_memory_copy): New function.
6969         (expand_memory_set): New function.
6970         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
6971         (convert_switch_statements): Change signature.
6972         (generate_hsa): Use a return value of the function.
6973         (pass_gen_hsail::execute): Do not call
6974         convert_switch_statements here.
6975         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
6976         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
6977         (hsa_function_representation::update_dominance): New function.
6978
6979 2016-03-31  Martin Liska  <mliska@suse.cz>
6980
6981         PR hsa/70391
6982         * hsa-brig.c (emit_directive_variable): Emit alignment
6983         according to hsa_symbol::m_align.
6984         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
6985         (dump_hsa_symbol): Dump alignment of HSA symbols.
6986         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
6987         (gen_hsa_addr_with_align): New function.
6988         (hsa_bitmemref_alignment): Use newly added function.
6989         (gen_hsa_insns_for_load): Likewise.
6990         (gen_hsa_insns_for_store): Likewise.
6991         (gen_hsa_memory_copy): New argument added.
6992         (gen_hsa_insns_for_single_assignment): Respect
6993         alignment for assignments processed via gen_hsa_memory_copy.
6994         (gen_hsa_insns_for_direct_call): Likewise.
6995         (gen_hsa_insns_for_return): Likewise.
6996         (gen_function_def_parameters): Set default alignment.
6997         * hsa.c (hsa_object_alignment): New function.
6998         (hsa_byte_alignment): Pasted function.
6999         * hsa.h (hsa_symbol::m_align): New field.
7000
7001 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
7002
7003         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
7004         scratch field for goto case.
7005
7006 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
7007
7008         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
7009
7010 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
7011
7012         PR target/70442
7013         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
7014         (scalar_chain::convert_insn): Call convert_op for reg
7015         moves to handle undefined registers.
7016
7017 2016-03-31  Nathan Sidwell  <nathan@acm.org>
7018
7019         PR c++/70393
7020         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
7021         Assert we don't want to move backwards.
7022
7023 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
7024
7025         PR target/70453
7026         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
7027
7028 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
7029
7030         PR rtl-optimization/70460
7031         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
7032         with operand from REG_LABEL_OPERAND, instead substitute
7033         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
7034         Don't do anything for REG_NON_LOCAL_GOTO jumps.
7035
7036 2016-03-31  Martin Liska  <mliska@suse.cz>
7037
7038         * passes.c (execute_one_pass): Do not call
7039         todo_after for a discarded function.
7040
7041 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
7042
7043         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
7044         (no_cost, infinite_cost): Initialize the new field.
7045         (get_computation_cost_at): Record setup cost.
7046         (determine_use_iv_cost_address): Skip cost computation for sub
7047         uses if we can estimate it without losing accuracy.
7048
7049 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
7050
7051         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
7052         estimates here.
7053         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
7054         max_loop_iterations_int.
7055         (tree_unswitch_outer_loop): Likewise.
7056         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
7057         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
7058
7059 2016-03-30  Richard Biener  <rguenther@suse.de>
7060
7061         PR middle-end/70450
7062         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
7063
7064 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
7065
7066         PR target/70421
7067         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
7068         in gen_blendm expander.
7069
7070 2016-03-30  Nick Clifton  <nickc@redhat.com>
7071
7072         PR target/62254
7073         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
7074         case where we are already provided with an SImode SUBREG.
7075
7076 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7077
7078         PR target/70439
7079         * config/i386/i386.c (ix86_expand_epilogue): Properly check
7080         conflict between DRAP register and __builtin_eh_return.
7081
7082 2016-03-30  Michael Matz  <matz@suse.de>
7083             Richard Biener  <rguenther@suse.de>
7084
7085         PR ipa/12392
7086         * ipa-polymorphic-call.c (struct type_change_info): Change
7087         speculative to an unsigned allowing to limit the work we do.
7088         (csftc_abort_walking_p): New inline function..
7089         (check_stmt_for_type_change): Limit the number of may-defs
7090         skipped for speculative devirtualization to
7091         max-speculative-devirt-maydefs.
7092         * params.def (max-speculative-devirt-maydefs): New param.
7093         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
7094
7095 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
7096
7097         PR target/63890
7098         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
7099         and TARGET_MACHO.
7100
7101 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
7102
7103         PR tree-optimization/59124
7104         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
7105         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
7106
7107 2016-03-29  Jeff Law  <law@redhat.com>
7108
7109         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
7110
7111 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7112
7113         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
7114         to HOST_WIDE_INT.
7115
7116 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
7117
7118         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
7119         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
7120         gcrt0.o if linking dynamically.
7121
7122 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7123
7124         PR ipa/70283
7125         * ipa-devirt.c (methods_equal_p): New function.
7126         (compare_virtual_tables): Use it.
7127         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
7128         * cgraphclones.c (clone_function_name_1): Use
7129         symbol_table::symbol_suffix_separator.
7130         * coverage.c (build_var): Likewise.
7131         * symtab.c (symbol_table::symbol_suffix_separator): New.
7132
7133 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
7134
7135         PR rtl-optimization/70429
7136         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
7137         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
7138         mode != result_mode.
7139
7140         PR c++/70353
7141         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
7142
7143         PR tree-optimization/70405
7144         * ssa-iterators.h (num_imm_uses): Add missing braces.
7145
7146 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7147
7148         PR rtl-optimization/68695
7149         * ira-color.c (allocno_copy_cost_saving): New.
7150         (improve_allocation): Use it.
7151
7152 2016-03-29  Richard Henderson  <rth@redhat.com>
7153
7154         PR middle-end/70355
7155         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
7156
7157 2016-03-29  Richard Biener  <rguenther@suse.de>
7158
7159         PR middle-end/70424
7160         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
7161         use alignment returned by get_pointer_alignment_1 if it is
7162         bigger than BITS_PER_UNIT.
7163         * builtins.c (get_pointer_alignment_1): Do not return true
7164         for alignment extracted from SSA info.
7165
7166 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
7167
7168         * config/ft32/ft32.opt (mnodiv): New.
7169         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
7170         * doc/invoke.texi (FT32 Options -mnodiv): New.
7171
7172 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
7173
7174         PR target/70406
7175         * config/i386/i386.md (define_split, andn): Fix modes.
7176
7177 2016-03-26  Richard Biener  <rguenther@suse.de>
7178             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7179
7180         PR ipa/70366
7181         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
7182         instead of
7183         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
7184         as 2nd argument to cl_optimization_restore().
7185
7186 2016-03-25  Richard Henderson  <rth@redhat.com>
7187
7188         PR target/70120
7189         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
7190         * config/aarch64/aarch64-protos.h: Declare it.
7191         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
7192
7193 2016-03-25  Alan Modra  <amodra@gmail.com>
7194
7195         PR target/70052
7196         * config/rs6000/constraints.md (j): Simplify.
7197         * config/rs6000/predicates.md (easy_fp_constant): Exclude
7198         decimal float 0.D.
7199         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
7200         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
7201          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
7202         in all constraint alternatives.
7203         (movtd_64bit_nodm): Delete "j" constraint alternative.
7204
7205 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7206
7207         * tree-ssa-propagate.c: Enhance docs for
7208         SSA_PROP_NOT_INTERESTING.
7209
7210 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7211
7212         * doc/extend.texi: Fix typo in documentation to pure attribute.
7213
7214 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
7215
7216         PR target/70319
7217         * config/pa/pa.md (bswapdi2): Use a scratch register.
7218
7219 2016-03-24  Richard Henderson  <rth@redhat.com>
7220
7221         PR middle-end/69845
7222         * fold-const.c (extract_muldiv_1): Correct test for multiplication
7223         overflow.
7224
7225 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
7226
7227         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
7228         using ix86_expand_binary_operator instead of gen_andsi3.
7229
7230 2016-03-24  Richard Biener  <rguenther@suse.de>
7231
7232         PR tree-optimization/70396
7233         * tree-vect-stmts.c (vectorizable_comparison): Use
7234         get_vectype_for_scalar_type.
7235
7236 2016-03-24  Richard Biener  <rguenther@suse.de>
7237
7238         PR middle-end/70370
7239         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
7240         with register bases.
7241
7242 2016-03-24  Richard Biener  <rguenther@suse.de>
7243
7244         PR tree-optimization/70372
7245         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
7246         build_all_ones_cst to also handle vector types correctly.
7247
7248 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
7249
7250         PR target/70381
7251         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
7252         -mfloat128 here.
7253
7254 2016-03-23  Marek Polacek  <polacek@redhat.com>
7255
7256         PR c++/69884
7257         * doc/invoke.texi: Document -Wignored-attributes.
7258
7259 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7260
7261         PR tree-optimization/69042
7262         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
7263         parameter from 30 to 40.
7264
7265 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7266
7267         PR tree-optimization/69042
7268         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
7269         for use with constant offset stripped in base.
7270
7271 2016-03-23  Richard Biener  <rguenther@suse.de>
7272
7273         PR middle-end/70251
7274         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
7275         mode compatibility check.
7276         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7277
7278 2016-03-23  Jeff Law  <law@redhat.com>
7279
7280         PR tree-optimization/64058
7281         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
7282         CONFLICT_COUNT.
7283         (struct ssa_conflicts): Move up earlier in the file.
7284         (conflicts_, var_map_): New static variables.
7285         (initialize_conflict_count): New function to initialize the
7286         CONFLICT_COUNT field for each conflict pair.
7287         (compare_pairs): Lazily initialize the conflict count and use it
7288         as the first tie-breaker.
7289         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
7290         and wipe conflicts_ and map_ around the call to qsort.  Remove
7291         special case for 2 coalesce pairs.
7292         * bitmap.c (bitmap_count_unique_bits): New function.
7293         (bitmap_count_bits_in_word): New function, extracted from
7294         bitmap_count_bits.
7295         (bitmap_count_bits): Use bitmap_count_bits_in_word.
7296         * bitmap.h (bitmap_count_unique_bits): Declare it.
7297
7298 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
7299
7300         PR target/69917
7301         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
7302         transparent alias chain for decl assembler name.
7303         * config/sol2.c (solaris_assemble_visibility): Likewise.
7304
7305 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7306
7307         * config/arm/arm1020e.md (1020call_op): Reduce reservation
7308         duration.
7309         (v10_fdivs): Likewise.
7310         (v10_fdivd): Likewise.
7311
7312 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7313
7314         PR driver/70132
7315         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
7316         to not call fclose twice on file.
7317
7318 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
7319
7320         PR tree-optimization/70354
7321         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7322         oprnd0 is wider than oprnd1 and there is a cast from the wider
7323         type to oprnd1, mask it with the mask of the narrower type.
7324
7325         PR target/70321
7326         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
7327         Optimize TARGET_STV splitters, if high or low word of last argument
7328         is 0 or -1.
7329
7330 2016-03-22  Jeff Law  <law@redhat.com>
7331
7332         PR target/70232
7333         tree-ssa-threadbackward.c
7334         (fsm_find_control_statement_thread_paths): Correctly distinguish
7335         between old style jump threads vs FSM jump threads.
7336
7337 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
7338
7339         PR target/70302
7340         * config/i386/i386.c (scalar_chain::convert_op): Support
7341         uninitialized register usage case.
7342
7343 2016-03-22  Richard Biener  <rguenther@suse.de>
7344
7345         PR middle-end/70251
7346         * genmatch.c (gen_transform): Adjust last parameter to a three-state
7347         int...
7348         (capture::gen_transform): ... to change behavior when substituting
7349         a condition into cond or not-cond expr context.
7350         (dt_simplify::gen_1): Adjust.
7351         * gimple-match-head.c: Include gimplify.h for unshare_expr.
7352         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
7353         last change and instead change to
7354         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
7355         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7356
7357 2016-03-22  Anthony Green  <green@moxielogic.com>
7358
7359         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
7360         issue for moxiebox targets.
7361         (CC1PLUS_SPEC): Ditto.
7362
7363 2016-03-22  Richard Biener  <rguenther@suse.de>
7364
7365         PR middle-end/70333
7366         * fold-const.c (extract_muldiv_1): Properly perform multiplication
7367         in the wide type.
7368
7369 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7370
7371         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
7372
7373 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7374
7375         PR target/70325
7376         * config/i386/i386.c (def_builtin): Handle
7377         OPTION_MASK_ISA_AVX512VL to be and-ed with other
7378         bits.
7379         (const struct builtin_description bdesc_special_args[]):
7380         Remove duplicate ISA bits.
7381
7382 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
7383
7384         PR target/70329
7385         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
7386         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
7387         in a way that works also for AVX512BW.
7388
7389         PR target/70300
7390         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
7391         instead of source if operands[1] is xmm16 and above and
7392         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
7393         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
7394
7395         PR c++/70295
7396         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
7397         on assign if (*from_p) is a comparison, set it to
7398         TREE_NO_WARNING (*from_p).
7399
7400 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7401
7402         PR middle-end/70326
7403         * lra.c (restore_scratches): Ignore deleted insns.
7404
7405 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
7406             Jakub Jelinek  <jakub@redhat.com>
7407
7408         PR tree-optimization/70317
7409         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
7410         to HONOR_NANS.
7411
7412 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
7413
7414         PR target/70327
7415         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
7416         of ix86_expand_move.
7417         (movoi): Ditto.
7418         (movti): Use general_operand for operand 1 predicate.
7419
7420 2016-03-21  Martin Liska  <mliska@suse.cz>
7421
7422         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
7423         insns.
7424         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
7425
7426 2016-03-21  Martin Liska  <mliska@suse.cz>
7427
7428         PR ipa/70306
7429         * ipa-icf.c (sem_function::parse): Skip static
7430         constructors and destructors.
7431
7432 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7433
7434         PR target/70296
7435         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
7436         function-like macro, peek following token(s) if it is followed
7437         by CPP_OPEN_PAREN token with optional padding in between, and
7438         if not, don't treat it like a macro.
7439
7440 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
7441             Alexander Monakov  <amonakov@ispras.ru>
7442
7443         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
7444         for the stabs debug format.
7445
7446 2016-03-21  Richard Biener  <rguenther@suse.de>
7447
7448         PR tree-optimization/70310
7449         * tree-vect-generic.c (expand_vector_condition): Fold the built
7450         condition.
7451
7452 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7453
7454         PR target/70293
7455         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
7456         Block third alternative for AVX-512VL target,
7457
7458 2016-03-21  Martin Liska  <mliska@suse.cz>
7459
7460         PR hsa/70234
7461         * hsa-brig.c (emit_function_directives): Mark unemitted
7462         global variables for emission.
7463         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
7464         (get_symbol_for_decl): Likewise.
7465         * hsa.h (struct hsa_symbol): New flag.
7466
7467 2016-03-21  Richard Biener  <rguenther@suse.de>
7468
7469         PR tree-optimization/70288
7470         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
7471         we do not estimate unsimplified all-constant conditionals or
7472         switches as optimized away.
7473
7474 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
7475
7476         PR rtl-optimization/69102
7477         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
7478         when we have a readonly dependency context.
7479
7480 2016-03-18  Jeff Law  <law@redhat.com>
7481
7482         PR rtl-optimization/70263
7483         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
7484         (update_equiv_regs): When trying to move a store to after the insn
7485         that sets the source of the store, make sure the store occurs after
7486         the insn that sets the source of the store.  When successful note
7487         the REG_EQUIV note created in the dump file.
7488
7489 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
7490             Bernd Schmidt  <bschmidt@redhat.com>
7491
7492         * doc/extend.texi: Document more potential problems with basic asms.
7493
7494 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
7495
7496         PR rtl-optimization/70278
7497         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
7498         VOIDmode.
7499
7500 2016-03-18  Jason Merrill  <jason@redhat.com>
7501
7502         * calls.c (load_register_parameters): Fix zero size sibcall logic.
7503
7504 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
7505
7506         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
7507         values to 128b regs.
7508
7509 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7510
7511         PR tree-optimization/70252
7512         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
7513         boolean vector has a proper number of elements.
7514         (supportable_narrowing_operation): Likewise.
7515
7516 2016-03-18  Tom de Vries  <tom@codesourcery.com>
7517
7518         PR ipa/70269
7519         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
7520
7521 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
7522
7523         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
7524         instead of replace_rtx for DEBUG_INSNs.
7525
7526 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7527
7528         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
7529         load type reservations.
7530
7531 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
7532
7533         PR target/70188
7534         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
7535         define_constraint for "Q" and "T" constraints.
7536
7537 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
7538
7539         Tweak the pipeline model for Exynos M1
7540
7541         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
7542         model.
7543
7544 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
7545
7546         PR c/70264
7547         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
7548         where one or both locations aren't within a line_map.
7549
7550 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7551
7552         PR driver/70192
7553         * opts.c (finish_options): Don't set flag_pie to the default if
7554         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
7555         if it is -1.
7556
7557 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
7558
7559         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
7560         true as ALL_REGS argument to replace_rtx.
7561
7562 2016-03-17  Richard Biener  <rguenther@suse.de>
7563
7564         PR debug/70271
7565         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
7566         last.
7567
7568 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7569
7570         PR target/70245
7571         * rtl.h (replace_rtx): Add ALL_REGS argument.
7572         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
7573         equality and assert mode is the same, instead of just rtx pointer
7574         equality.
7575         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
7576         true as ALL_REGS argument to replace_rtx.
7577
7578 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
7579
7580         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
7581         for boolean vector with vector mode only.
7582         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7583
7584 2016-03-17  Nick Clifton  <nickc@redhat.com>
7585
7586         PR target/70162
7587         * config/rx/rx.c (rx_print_integer): Print negative constants in
7588         decimal.
7589
7590 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7591
7592         PR target/70261
7593         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
7594
7595 2016-03-16  Richard Henderson  <rth@redhat.com>
7596             Richard Biener  <rguenth@suse.de>
7597
7598         PR middle-end/70240
7599         PR middle-end/68215
7600         PR tree-opt/68714
7601         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
7602         first operand as is_gimple_condexpr.
7603
7604         PR middle-end/70240
7605         PR middle-end/68215
7606         Revert r231575
7607         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
7608         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
7609         Do not gimplify the result.
7610         (do_unop): Adjust call to tree_vec_extract.
7611         (do_binop): Likewise.
7612         (do_compare): Likewise.
7613         (do_plus_minus): Likewise.
7614         (do_negate): Likewise.
7615         (expand_vector_condition): Likewise.
7616         (do_cond): Likewise.
7617
7618 2016-03-16  Richard Henderson  <rth@redhat.com>
7619
7620         PR target/70048
7621         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
7622         (aarch64_classify_address): Use it.
7623         (aarch64_legitimize_address): Force all subexpressions of PLUS
7624         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
7625
7626 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
7627             Richard Biener  <rguenth@suse.de>
7628
7629         PR target/70245
7630         * rtlanal.c (replace_rtx): For REG, if from is a REG,
7631         return to even if only REGNO is equal, and assert
7632         mode is the same.
7633
7634 2016-03-11  Jeff Law  <law@redhat.com>
7635
7636         PR rtl-optimization/70224
7637         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
7638
7639 2016-03-16  Richard Henderson  <rth@redhat.com>
7640
7641         PR middle-end/70199
7642         * function.h (struct function): Add has_forced_label_in_static.
7643         * gimplify.c (force_labels_r): Set it.
7644         * lto-streamer-in.c (input_struct_function_base): Read it.
7645         * lto-streamer-out.c (output_struct_function_base): Write it.
7646         * tree-inline.c (has_label_address_in_static_1): Remove.
7647         (copy_forbidden): Remove fndecl parameter; test
7648         has_forced_label_in_static.
7649         (inline_forbidden_p): Update call to copy_forbidden.
7650         (tree_versionable_function_p): Likewise.
7651         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
7652         (chkp_versioning): Likewise.
7653         * tree-inline.h (copy_forbidden): Update decl.
7654
7655 2016-03-16  Marek Polacek  <polacek@redhat.com>
7656
7657         PR c/70093
7658         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
7659         function being thunked if the result type doesn't have fixed size.
7660         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
7661         doesn't have fixed size.
7662
7663 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
7664
7665         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
7666         reporting malformed loop nest.
7667
7668 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7669
7670         PR lto/70187
7671         * ipa-devirt.c (possible_polymorphic_call_targets): Move
7672         nodes.length () == 1 test to before first nodes[0] access.
7673
7674 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7675
7676         PR tree-optimization/68715
7677         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
7678         single_pred_p test.
7679
7680 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7681
7682         PR tree-optimization/68809
7683         * graphite-scop-detection.c (same_close_phi_node): Test if result types
7684         are the same.
7685
7686 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
7687             Sandra Loosemore  <sandra@codesourcery.com>
7688
7689         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
7690         on leaf attribute. Mention ELF interposition problems.
7691
7692 2016-03-16  Alan Modra  <amodra@gmail.com>
7693
7694         PR rtl-optimization/69195
7695         PR rtl-optimization/47992
7696         * ira.c (indirect_jump_optimize): Ignore artificial defs.
7697         Add comments.
7698
7699 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
7700
7701         PR bootstrap/69513
7702         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
7703
7704 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7705
7706         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
7707
7708 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
7709
7710         PR rtl-optimization/70222
7711         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
7712         optimization if mode is different from result_mode, queue up masking
7713         of the result in outer_op.  Formatting fix.
7714
7715         PR middle-end/70239
7716         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
7717         of safe_grow.
7718
7719 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7720
7721         PR rtl-optimization/69032
7722         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
7723         looping backwards over basic block insns.
7724
7725 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7726
7727         PR target/66660
7728         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
7729         to non-speculative when propagating trap bits.
7730
7731 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7732
7733         PR rtl-optimization/63384
7734         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
7735         DEBUG_INSN_P insns.
7736
7737 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7738
7739         PR target/64411
7740         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
7741         factored out from ...
7742         (sched_analyze_insn): ... here.
7743         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
7744         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
7745         get_implicit_reg_pending_clobbers in it.
7746         (setup_id_reg_sets): Use setup_id_implicit_regs.
7747         (deps_init_id): Ditto.
7748
7749 2016-03-15  Tom de Vries  <tom@codesourcery.com>
7750
7751         PR ipa/70161
7752         * cgraph.c (cgraph_node::get_body): Save, reset and restore
7753         dump_file_name.
7754         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
7755         execute_function_dump.
7756         (execute_one_pass): Don't dump function if it will be dumped after ipa
7757         transform.
7758
7759 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7760
7761         * genrecog.c (match_pattern_2): If pred is NULL don't call
7762         safe_predicate_mode on it.
7763
7764 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
7765
7766         PR middle-end/70219
7767         * lra-constraints.c (delete_move_and_clobber): Change assertion
7768         to also allow dregno == 0.
7769
7770 2016-03-14  Richard Henderson  <rth@redhat.com>
7771
7772         PR tree-opt/68714
7773         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
7774         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
7775         (reassociate_bb): Use optimize_vec_cond_expr; avoid
7776         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
7777         on vectors.
7778
7779 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7780
7781         PR target/70083
7782         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
7783         regs.
7784         (lra_create_live_ranges_1): initialize hard register biggest_mode to
7785         VOIDmode.
7786         * lra-constraints.c (split_reg): For hard regs, try to find the
7787         biggest single-register mode used in the function.
7788
7789 2016-03-14  Richard Biener  <rguenther@suse.de>
7790
7791         PR tree-optimization/56365
7792         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
7793         constants to compare against.
7794
7795 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
7796
7797         PR target/70098
7798         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
7799         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
7800         (define_split for the GPR case): Use int_reg_operand instead of
7801         gpc_reg_operand for the output.
7802
7803 2016-03-14  Tom de Vries  <tom@codesourcery.com>
7804
7805         PR tree-optimization/70045
7806         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
7807         create_empty_if_region_on_edge argument.
7808
7809 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
7810
7811         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
7812         (STACK_CHECK_PROTECT): Likewise.
7813         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7814         (STACK_CHECK_PROTECT): Likewise.
7815         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7816         (STACK_CHECK_PROTECT): Likewise.
7817         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
7818         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
7819         (STACK_CHECK_PROTECT): Likewise.
7820
7821 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
7822
7823         PR rtl-optimization/69307
7824         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
7825         registers in modes that span more than one register.
7826
7827 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7828
7829         PR target/69614
7830         * lra-constraints.c (delete_move_and_clobber): New.
7831         (remove_inheritance_pseudos): Use it.
7832
7833 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
7834
7835         PR ada/70017
7836         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
7837         the libcall is LCT_THROW.
7838         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
7839         for the checking routine.
7840
7841 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7842
7843         PR target/70131
7844         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
7845         optimization if we have direct move.
7846         (roundu32<mode>2_fprs): Likewise.
7847
7848 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
7849
7850         PR target/70123
7851         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
7852         be rematerialized.
7853         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
7854         Arguments swapped.  All callers changed.  Take reg_renumber into
7855         account, and Calculate and compare register ranges for hard regs.
7856
7857 2016-03-11  Jeff Law  <law@redhat.com>
7858
7859         PR tree-optimization/70190
7860         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7861         Handle cases where we can not extract the taken edge, even though we
7862         found a constant value.
7863
7864         PR tree-optimization/64058
7865         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
7866         (num_coalesce_pairs): Move up earlier in file.
7867         (find_coalesce_pair): Initialize the INDEX field for each pair
7868         discovered.
7869         (compare_pairs): No longer sort on the elements in each pair.
7870         Instead break ties with the index of the coalesce pair.
7871
7872 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7873
7874         PR target/70002
7875         * config/aarch64/aarch64-protos.h
7876         (aarch64_save_restore_target_globals): New prototype.
7877         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
7878         Call the above when popping pragma.
7879         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
7880         New function.
7881         (aarch64_set_current_function): Rewrite using the above.
7882
7883 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7884
7885         PR tree-optimization/70177
7886         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
7887         (extract_ops_from_tree): ... this.  In the 2 argument
7888         overload remove _1 suffix.
7889         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
7890         (extract_ops_from_tree): ... this.
7891         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
7892         Adjust callers.
7893         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7894         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
7895         extract_ops_from_tree instead of 2 operand one.
7896
7897 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
7898
7899         PR tree-optimization/70013
7900         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
7901         for constant-pool entries.
7902
7903 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7904
7905         PR rtl-optimization/70174
7906         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
7907         followed by gen_lowpart on force_reg instead of just gen_lowpart.
7908
7909         PR tree-optimization/70169
7910         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
7911         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
7912         for unknown codes.
7913
7914 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
7915             Jakub Jelinek  <jakub@redhat.com>
7916
7917         PR target/70160
7918         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
7919         of uninitialized values.
7920
7921 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7922
7923         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
7924         define_expand.
7925         ("*trunctddd2"): New pattern definition.
7926         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
7927         TD->DD truncation.
7928
7929 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7930
7931         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
7932         definitions for BFP and DFP rounding modes.
7933         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7934         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
7935         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
7936         ("fix_trunctf<mode>2"): Use the new constants instead of magic
7937         numbers.
7938
7939 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7940
7941         * config/s390/constraints.md: Adjust comment.
7942         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
7943         s390_decompose_addrstyle_without_index.
7944         * config/s390/predicates.md (shift_count_or_setmem_operand):
7945         Rename to setmem_operand.
7946         * config/s390/s390-protos.h
7947         (s390_decompose_shift_count): Rename to
7948         s390_decompose_addrstyle_without_index.
7949         * config/s390/s390.c (s390_decompose_shift_count)
7950         (s390_mem_constraint, print_shift_count_operand)
7951         (print_operand_address, print_operand): Rename
7952         s390_decompose_shift_count to
7953         s390_decompose_addrstyle_without_index and rename
7954         print_shift_count_operand to print_addrstyle_operand troughout the
7955         file.
7956         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
7957         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
7958         Rename shift_count_or_setmem_operand to setmem_operand.
7959         * config/s390/vx-builtins.md ("vec_insert<mode>")
7960         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
7961         nonmemory_operand.
7962
7963 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7964
7965         PR target/70168
7966         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
7967         Handle overlapping retval and newval.
7968
7969 2016-03-10  Nick Clifton  <nickc@redhat.com>
7970
7971         PR target/7044
7972         * config/aarch64/aarch64.c
7973         (aarch64_override_options_after_change_1): When forcing
7974         flag_omit_frame_pointer to be true, use a special value that can
7975         be detected if this function is called again, thus preventing
7976         flag_omit_leaf_frame_pointer from being forced to be false.
7977
7978 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7979
7980         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
7981         Set x_flag_omit_leaf_frame_pointer when handling
7982         -momit-leaf-frame-pointer.
7983
7984 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7985
7986         PR lto/69589
7987         * cgraph.c (cgraph_node::dump): Dump split_part and
7988         indirect_call_target.
7989         * cgraph.h (cgraph_node): Add indirect_call_target flag.
7990         * ipa.c (has_addr_references_p): Cleanup.
7991         (is_indirect_call_target_p): New.
7992         (walk_polymorphic_call_targets): Do not mark virtuals that may be
7993         called indirectly as local.
7994         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
7995
7996 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7997
7998         PR ipa/69630
7999         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8000         on cxa_pure_virtual.
8001
8002 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8003
8004         PR lto/69589
8005         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
8006
8007 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
8008
8009         PR lto/69589
8010         * tree.c (need_assembler_name_p): Only record main variant type names.
8011
8012 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
8013
8014         PR target/70113.
8015         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
8016         Always define to 0 or 1.
8017         (TARGET_FIX_ERR_A53_843419): New macro.
8018         * config/aarch64/aarch64-elf-raw.h
8019         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
8020         * config/aarch64/aarch64-linux.h: Likewise.
8021         * config/aarch64/aarch64.c
8022         (aarch64_override_options_after_change_1): Do not default
8023         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
8024         843419 is on.
8025         (aarch64_attributes): Handle fix-cortex-a53-843419.
8026         (aarch64_can_inline_p): Likewise.
8027         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
8028
8029 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
8030         Jakub Jelinek <jakub@redhat.com>
8031
8032         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
8033         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
8034         DECL_COMMONS if flag_unconstrained_commons is set.
8035         * tree-dfa.c (get_ref_base_and_extent): Likewise.
8036         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
8037         (funconstrained-commons): Document.
8038
8039 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
8040
8041         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
8042         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
8043
8044 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
8045
8046         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
8047         has a proper number of elements.
8048
8049 2016-03-10  Alan Modra  <amodra@gmail.com>
8050
8051         PR rtl-optimization/69195
8052         PR rtl-optimization/47992
8053         * ira.c (recorded_label_ref): Delete.
8054         (update_equiv_regs): Return void.
8055         (indirect_jump_optimize): New function.
8056         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
8057         before regstat_compute_ri.  Don't rebuild_jump_labels here.
8058         Delete update_regstat.
8059
8060 2016-03-10  Richard Biener  <rguenther@suse.de>
8061
8062         PR tree-optimization/70128
8063         * tree-ssa-structalias.c (set_uids_in_ptset): Set
8064         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
8065
8066 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8067
8068         PR tree-optimization/70152
8069         * tree-sra.c (replace_removed_params_ssa_names): Copy over
8070         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
8071
8072         PR target/70086
8073         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
8074         instead of gen_sse2_loadlpd.
8075         * config/i386/sse.md (*vec_concatv2df): Rename to...
8076         (vec_concatv2df): ... this.
8077
8078         PR tree-optimization/70127
8079         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
8080
8081 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8082
8083         PR c/68473
8084         PR c++/70105
8085         * diagnostic-show-locus.c (compatible_locations_p): New function.
8086         (layout::layout): Sanitize ranges using compatible_locations_p.
8087
8088 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
8089
8090         PR c/68473
8091         PR c++/70105
8092         * diagnostic-show-locus.c (layout_range::layout_range): Replace
8093         location_range param with three const expanded_locations * and a
8094         bool.
8095         (layout::layout): Replace call to
8096         rich_location::lazily_expand_location with get_expanded_location.
8097         Extract the range and perform location expansion here, passing
8098         the results to the layout_range ctor.
8099         * diagnostic.c (source_range::debug): Delete.
8100         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
8101         of rich_location::get_expanded_location.
8102         * gcc-rich-location.c (get_range_for_expr): Delete.
8103         (gcc_rich_location::add_expr): Reimplement to avoid the
8104         rich_location::add_range overload that took a location_range,
8105         passing a location_t instead.
8106
8107 2016-03-09  Richard Biener  <rguenther@suse.de>
8108         Jakub Jelinek  <jakub@redhat.com>
8109
8110         PR tree-optimization/70138
8111         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
8112         Also skip vect_double_reduction_def.
8113
8114 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
8115
8116         PR target/70049
8117         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
8118         if the operand is "m".
8119
8120 2016-03-09  Nathan Sidwell  <nathan@acm.org>
8121
8122         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
8123
8124 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
8125
8126         * config/i386/i386.c (processor_target_table): Fix cost table
8127         intialization order for znver1.
8128
8129 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8130
8131         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
8132         - becuase -> because.
8133         * ipa-reference.c (ignore_module_statics): Likewise.
8134         * cgraph.c (cgraph_node::get_body): Likewise.
8135         * ipa-inline.c (early_inliner): Likewise.
8136         * ipa-devirt.c (types_same_for_odr): Likewise.
8137         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
8138         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
8139
8140 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8141
8142         * tree-ssa-math-opts.c: Fix typo in comment.
8143
8144 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8145
8146         PR target/70110
8147         * config/i386/i386.c (scalar_chain::make_vector_copies,
8148         scalar_chain::convert_reg): Call end_sequence in between
8149         get_insns and emit_conversion_insns rather than after both
8150         calls.
8151
8152 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
8153
8154         PR target/70064
8155         * config/i386/i386.h (machine_function): Add
8156         pc_thunk_call_expanded flag.
8157         (ix86_pc_thunk_call_expanded): New define.
8158         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
8159         (*set_got): Rename insn pattern from set_got.
8160         (*set_got_labelled): Rename inst pattern from set_got_labelled.
8161         * config/i386/i386.c (ix86_compute_frame_layout): Use
8162         ix86_pc_thunk_call_expanded to prevent red-zone.
8163
8164 2016-03-07  Martin Jambor  <mjambor@suse.cz>
8165
8166         * hsa.h (hsa_get_ctor_statements): Declare.
8167         (hsa_get_dtor_statements): Likewise.
8168         (hsa_get_kernel_dispatch_type): Likewise.
8169         * hsa.c (hsa_get_ctor_statements): New function.
8170         (hsa_get_dtor_statements): Likewise.
8171         (hsa_get_kernel_dispatch_type): Likewise.
8172         * hsa-brig.c (hsa_cdtor_statements): Removed.
8173         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
8174         hsa_get_dtor_statements.
8175         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
8176         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
8177
8178 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8179
8180         * config/arm/arm-cores.def (cortex-r8): New.
8181         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
8182         * config/arm/arm-tune.md: Likewise.
8183         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
8184
8185 2016-03-07  Martin Sebor  <msebor@redhat.com>
8186
8187         PR rtl-optimization/19705
8188         * doc/invoke.texi (Options That Control Optimization): Clarify
8189         -fno-branch-count-reg.
8190
8191 2016-02-26  Richard Biener  <rguenther@suse.de>
8192             Jeff Law  <law@redhat.com>
8193
8194         PR tree-optimization/69740
8195         * cfghooks.c (remove_edge): Request loop fixups if we delete
8196         an edge that might turn an irreducible loop into a natural
8197         loop.
8198         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
8199         Move after definition of loops_state_clear.
8200
8201 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
8202
8203         PR rtl-optimization/69052
8204         * rtlanal.c (commutative_operand_precedence): Set higher precedence
8205         to CONST_WIDE_INT.
8206
8207 2016-03-07  Tom de Vries  <tom@codesourcery.com>
8208
8209         PR tree-optimization/70116
8210         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
8211         is_tm_ending stmts and ubsan/asan internal functions.
8212         (find_duplicate): Use it.  Don't test is_tm_ending here.
8213
8214 2016-03-07  Richard Biener  <rguenther@suse.de>
8215
8216         PR tree-optimization/70115
8217         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
8218         (propagate_constants_for_unrolling): Use replace_uses_by.
8219
8220 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
8221
8222         PR middle-end/69916
8223         * omp-low.c (struct oacc_loop): Add ifns.
8224         (new_oacc_loop_raw): Initialize it.
8225         (finish_oacc_loop): Clear mask & flags if no ifns.
8226         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8227         (oacc_loop_xform_loop): Add ifns arg & adjust.
8228         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
8229
8230 2016-03-07  Richard Henderson  <rth@redhat.com>
8231
8232         PR rtl-opt/70061
8233         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
8234         (insert_value_copy_on_edge): Likewise.
8235
8236 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8237
8238         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
8239
8240 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8241
8242         PR target/62281
8243         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
8244
8245 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8246
8247         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
8248
8249 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8250
8251         Fix sseimul type attribute.
8252         * config/i386/znver1.md
8253         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
8254         znver1_sseimul_avx256_load) : Fix the type attribute.
8255         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
8256         pipe usage and latency.
8257
8258 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
8259
8260         PR c++/70084
8261         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
8262         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
8263         to the right type.
8264
8265 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8266
8267         PR c/69973
8268         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
8269
8270         PR rtl-optimization/69941
8271         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
8272         the reg share its mode.
8273
8274 2016-03-04  Jeff Law  <law@redhat.com>
8275
8276         PR tree-optimization/69196
8277         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8278         If the both SSA_NAMEs are anonymous, then consider them unassociated
8279         and include the PHI in the statement count.
8280
8281 2016-03-05  Tom de Vries  <tom@codesourcery.com>
8282
8283         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
8284         construct in oacc routine.  Check for oacc region in oacc routine.
8285
8286 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8287
8288         PR target/70062
8289         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
8290         2016-02-22 changes, instead don't recurse if RECUR is already true.
8291         Don't change *dynamic_check if RECUR.  Adjust recursive caller
8292         to pass true to the new argument.
8293         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
8294
8295         PR target/70059
8296         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
8297         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
8298         fixes.
8299         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
8300
8301 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8302
8303         PR rtl-optimization/57676
8304         * lra-assigns.c (lra_assign): Guard test for maximum iterations
8305         with flag_checking.
8306
8307 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
8308
8309         * tree-vect-patterns.c (search_type_for_mask): Handle
8310         comparison of booleans.
8311
8312 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8313
8314         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
8315         Fix @xref usage.
8316
8317         PR debug/69947
8318         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
8319         all other ops that have dw_val_class_die_ref operands,
8320         and DW_OP_GNU_entry_value.
8321
8322 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8323
8324         PR rtl-optimization/69904
8325         * config/arm/arm.c (arm_cannot_copy_insn_p):
8326         Return true for load-exclusive instructions.
8327
8328 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
8329
8330         PR target/70021
8331         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
8332         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
8333         the pattern no matter if it is used just by non-pattern, pattern
8334         or mix thereof.
8335         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
8336         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8337         oprnd1 def_stmt is in pattern, don't look through it.
8338
8339 2016-03-03  Marek Polacek  <polacek@redhat.com>
8340
8341         PR middle-end/70050
8342         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
8343
8344 2016-03-03  Martin Liska  <mliska@suse.cz>
8345
8346         PR tree-optimization/70043
8347         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
8348         previous statement if we see a debug statement.
8349
8350 2016-03-03  Richard Biener  <rguenther@suse.de>
8351
8352         PR tree-optimization/55936
8353         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
8354         parameter and guard unsafe equivalence use.
8355         (vrp_evaluate_conditional_warnv_with_ops): Always use
8356         safe equivalences but not via the quadratic compare_names
8357         helper.
8358
8359 2016-03-03  Michael Collison  <michael.collison@linaro.org>
8360
8361         PR target/70014
8362         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
8363         for operand 1 to s_register_operand. Change predicate for operand
8364         2 to arm_not_immediate_operand.
8365
8366 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
8367
8368         * doc/tm.texi: Regenerated.
8369
8370 2016-03-02  Richard Henderson  <rth@redhat.com>
8371
8372         PR rtl-opt/67145
8373         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
8374         simplification when all args are positive non-fixed registers.
8375
8376 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8377
8378         * target.def (lra_p): Specify that new ports should use LRA.
8379
8380 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8381
8382         PR libgomp/69555
8383         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
8384         gimplify_type_sizes the type they refer to.
8385         (omp_notice_variable): Handle reference vars to VLAs.
8386         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
8387         reference to VLA decls in the second pass instead of first pass.
8388
8389 2016-03-02  Tom de Vries  <tom@codesourcery.com>
8390
8391         PR tree-optimization/68659
8392         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
8393         new_expr == NULL_TREE.
8394         (get_new_name): Handle ADDR_EXPR.
8395
8396 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
8397
8398         PR rtl-optimization/69052
8399         * loop-invariant.c (canonicalize_address): New function.
8400         (inv_can_prop_to_addr_use): Check validity of address expression
8401         which is canonicalized by above function.
8402
8403 2016-03-02  Alan Modra  <amodra@gmail.com>
8404
8405         PR ipa/69990
8406         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
8407         larger alignment.
8408
8409 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8410
8411         PR target/70028
8412         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
8413         (*movhi_internal): Put mask moves from and to memory separately
8414         from moves from/to GPRs.
8415
8416 2016-03-02  Richard Biener  <rguenther@suse.de>
8417
8418         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
8419         GENERIC expressions in GIMPLE.
8420
8421 2016-03-02  Richard Biener  <rguenther@suse.de>
8422
8423         * config/i386/i386.c (type_natural_mode): Fix typo.
8424
8425 2016-03-02  Nick Clifton  <nickc@redhat.com>
8426
8427         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
8428
8429 2016-03-02  Richard Biener  <rguenther@suse.de>
8430             Uros Bizjak  <ubizjak@gmail.com>
8431
8432         PR target/67278
8433         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
8434
8435 2016-03-02  Richard Biener  <rguenther@suse.de>
8436
8437         PR middle-end/67278
8438         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
8439
8440 2016-03-02  Marek Polacek  <polacek@redhat.com>
8441
8442         PR c/67854
8443         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
8444         "is promoted to" warning.
8445
8446 2016-03-01  DJ Delorie  <dj@redhat.com>
8447
8448         * config.gcc: Deprecate mep-*.
8449
8450 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
8451
8452         PR middle-end/70025
8453         * lra-constraints.c (regno_val_use_in): New.
8454         (match_reload): Use it instead of regno_use_in.
8455
8456 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8457
8458         PR rtl-optimization/70007
8459         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
8460         references present in REG_EQUAL notes attached to non-SET patterns.
8461
8462 2016-03-01  Jeff Law  <law@redhat.com>
8463
8464         PR tree-optimization/69196
8465         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8466         Appropriately clamp the number of statements to copy when the
8467         thread path does not traverse a loop backedge.
8468
8469         PR tree-optimization/69196
8470         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8471         Do count some PHIs in the thread path against the insn count.  Decrease
8472         final statement count by one as the control statement in the last
8473         block will get removed.  Remove special cased code for handling PHIs
8474         in the last block.
8475
8476 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
8477
8478         PR target/70027
8479         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
8480         asm dialect alternatives to explicit GOTPCREL calls.
8481
8482 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8483
8484         PR ada/70017
8485         * ira.c (do_reload): Issue warning for generic stack checking here...
8486         * reload1.c (reload): ...instead of here and streamline it.
8487
8488 2016-03-01  Nick Clifton  <nickc@redhat.com>
8489
8490         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
8491
8492 2016-03-01  Richard Biener  <rguenther@suse.de>
8493
8494         PR tree-optimization/69983
8495         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
8496         types and fall back to operand_equal_p.
8497
8498 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8499
8500         Revert
8501         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8502
8503         * config/s390/constraints.md ("jm8"): New constraint.
8504         * config/s390/predicates.md ("const_int_8bitset_operand"): New
8505         predicate.
8506         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
8507         into ...
8508         ("*setmem_long<setmem_and>"): New pattern.
8509         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
8510         into ...
8511         ("*setmem_long_31z<setmem_and>"): New pattern.
8512         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
8513         New substitution rules with the required attributes.
8514
8515
8516 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8517
8518         Revert
8519         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8520
8521         * gensupport.c (process_substs_on_one_elem): Split loop to
8522         complete mark_operands_used_in_match_dup on all expressions in the
8523         vector first.
8524         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8525         and remove function.
8526
8527 2016-03-01  Richard Biener  <rguenther@suse.de>
8528
8529         PR middle-end/70022
8530         * fold-const.c (fold_indirect_ref_1): Fix range checking for
8531         vector BIT_FIELD_REF extract.
8532
8533 2016-03-01  Richard Biener  <rguenther@suse.de>
8534
8535         PR tree-optimization/69994
8536         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
8537
8538 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
8539
8540         PR tree-optimization/69956
8541         * tree-vect-stmts.c (supportable_widening_operation): Support
8542         multi-step conversion of boolean vectors.
8543         (supportable_narrowing_operation): Likewise.
8544
8545 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8546
8547         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
8548         anymore.
8549
8550 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8551
8552         * config/s390/subst.md (DSI_VI): New mode iterator.
8553         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
8554         * config/s390/vector.md ("vec_set<mode>"): Move expander before
8555         the insn definition.
8556         ("*vec_set<mode>"): Change predicate and add alternative to
8557         support only either register or const_int operands as element
8558         selector.
8559         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
8560         operands.
8561         ("vec_extract<mode>"): New expander.
8562         ("*vec_extract<mode>"): New insn definition supporting reg and
8563         const_int element selectors.
8564         ("*vec_extract<mode>_plus"): New insn definition supporting
8565         reg+const_int element selectors.
8566         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
8567         following expander+insn definition.
8568         ("<vec_shifts_name><mode>3"): New expander.
8569         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
8570
8571 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8572
8573         * config/s390/s390.md ("*tabort_1"): Change predicate to
8574         nonmemory_operand.  Add a second alternative to cover
8575         register as well as const int operands.
8576         ("*tabort_1_plus"): New pattern definition.
8577
8578 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8579
8580         * config/s390/s390.md ("*ashrdi3_cc_31")
8581         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
8582         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
8583         Merge insn definitions into ...
8584         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8585         New pattern definition.
8586         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
8587         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
8588         ("*ashr<mode>3_and"): Merge insn definitions into ...
8589         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8590         New pattern definition.
8591         * config/s390/subst.md ("addr_style_op_cc_subst")
8592         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
8593         substitutions patterns plus attributes.
8594         Add ashiftrt to SUBST iterator.
8595
8596 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8597
8598         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
8599         op2 to nonmemory_operand.
8600         ("*<shift>di3_31", "*<shift>di3_31_and"):
8601         Merge into single pattern definition ...
8602         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
8603         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
8604         pattern definition ...
8605         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
8606         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
8607         iterator.
8608
8609 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8610
8611         * config/s390/predicates.md (const_int_6bitset_operand): New
8612         predicate.
8613         * config/s390/s390.md: Include subst.md.
8614         ("rotl<mode>3"): New expander.
8615         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
8616         ...
8617         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
8618         * config/s390/subst.md: New file.
8619
8620 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8621
8622         * config/s390/s390.md ("op_type", "atype", "length" attributes):
8623         Remove RRR type.  It doesn't really exist.
8624         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
8625         attributes.
8626         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
8627         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
8628         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
8629         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
8630         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
8631         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
8632         `enabled' attribute.
8633
8634 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8635
8636         * gensupport.c (process_substs_on_one_elem): Split loop to
8637         complete mark_operands_used_in_match_dup on all expressions in the
8638         vector first.
8639         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8640         and remove function.
8641
8642 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8643
8644         PR target/69706
8645         * config/sparc/sparc.c (NWORDS_UP): Rename to...
8646         (CEIL_NWORDS): ...this.  Use CEIL macro.
8647         (compute_fp_layout): Adjust to above renaming.
8648         (function_arg_union_value): Likewise.
8649         (sparc_arg_partial_bytes): Likewise.
8650         (sparc_function_arg_advance): Likewise.
8651
8652 2016-02-29  Jeff Law  <law@redhat.com>
8653
8654         PR tree-optimization/70005
8655         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
8656         where an object with a boolean range is compared against a value
8657         outside [0..1].
8658
8659         PR tree-optimization/69999
8660         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
8661         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
8662         loop cleanups.
8663
8664 2016-02-29  Richard Biener  <rguenther@suse.de>
8665
8666         PR tree-optimization/69994
8667         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
8668         (get_unary_op): Look through nop conversions.
8669         (ops_equal_values_p): New function, look for equality diregarding
8670         nop conversions.
8671         (eliminate_plus_minus_pair): Use ops_equal_values_p
8672         (repropagate_negates): Do not use get_unary_op here.
8673
8674 2016-02-29  Martin Liska  <mliska@suse.cz>
8675
8676         * system.h: Poison ENABLE_CHECKING macro.
8677
8678 2016-02-29  Martin Liska  <mliska@suse.cz>
8679
8680         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
8681         is presented in dump flags.
8682         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8683         (hsa_regalloc): Likewise.
8684
8685 2016-02-19  Richard Biener  <rguenther@suse.de>
8686
8687         PR tree-optimization/69980
8688         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
8689         permutation of those we need to keep.
8690
8691 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8692
8693         PR target/69706
8694         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
8695         (NWORDS_UP): ...this
8696         (init_cumulative_args): Minor tweaks.
8697         (sparc_promote_function_mode): Likewise.
8698         (scan_record_type): Delete.
8699         (traverse_record_type): New function template.
8700         (classify_data_t): New structure type.
8701         (classify_registers): New inline function.
8702         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
8703         exhausted.  Instantiate traverse_record_type on classify_registers and
8704         deal with the case of a structure passed in slot #15 with no FP field
8705         in the first word.
8706         (assign_data_t): New structure type.
8707         (compute_int_layout): New static function.
8708         (compute_fp_layout): Likewise.
8709         (count_registers): New inline function.
8710         (assign_int_registers): New static function.
8711         (assign_fp_registers): Likewise.
8712         (assign_registers): New inline function.
8713         (function_arg_record_value_1): Delete.
8714         (function_arg_record_value_2): Likewise.
8715         (function_arg_record_value_3): Likewise.
8716         (function_arg_record_value): Adjust to above changes.  Instantiate
8717         traverse_record_type on count_registers to first count the number of
8718         registers to be used and then on assign_registers to assign them.
8719         (function_arg_union_value): Adjust to above renaming.
8720         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
8721         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
8722         case of a structure passed in slot #15
8723         (sparc_function_arg_advance): Likewise.
8724         (function_arg_padding): Minor tweak.
8725
8726 2016-02-29  Richard Biener  <rguenther@suse.de>
8727
8728         PR tree-optimization/69720
8729         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
8730         the adjustment_def path for possibly vectorized defs.
8731         (vect_create_epilog_for_reduction): Handle vectorized initial
8732         defs properly.
8733
8734 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8735
8736         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
8737
8738 2016-02-27  Jeff Law  <law@redhat.com>
8739
8740         Revert
8741         2016-02-26  Richard Biener  <rguenther@suse.de>
8742                     Jeff Law  <law@redhat.com>
8743
8744         PR tree-optimization/69740
8745         * cfghooks.c (remove_edge): Request loop fixups if we delete
8746         an edge that might turn an irreducible loop into a natural
8747         loop.
8748
8749 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
8750
8751         PR rtl-optimization/69896
8752         * tree-vect-generic.c (get_compute_type): Avoid single element
8753         vector types.
8754
8755 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
8756
8757         Rename the AArch64 tuning option and related functions to enable the
8758         Newton series for the reciprocal square root to reflect its
8759         approximative characteristic.
8760
8761         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
8762         function to "aarch64_emit_approx_rsqrt".
8763         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
8764         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
8765         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
8766         (xgene1_tunings): Likewise.
8767         (use_rsqrt_p): Likewise.
8768         (aarch64_emit_swrsqrt): Use new function name.
8769         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
8770         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
8771         text explaining this option.
8772         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
8773
8774 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8775
8776         PR target/69969
8777         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
8778         complain about -mallow-movmisalign without -mvsx if
8779         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
8780
8781 2016-02-26  Joel Sherrill  <joel@rtems.org>
8782
8783         * config.gcc: Add x86_64-*-rtems*.
8784         * config/i386/rtems-64.h: New file.
8785
8786 2016-02-26  Joel Sherrill  <joel@rtems.org>
8787
8788         * config.gcc: Add aarch64-*-rtems*.
8789         * config/aarch64/rtems.h: New file.
8790
8791 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
8792
8793         PR target/69946
8794         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
8795         shift amount using %h.  Add comment.
8796
8797 2016-02-26  Richard Biener  <rguenther@suse.de>
8798             Jeff Law  <law@redhat.com>
8799
8800         PR tree-optimization/69740
8801         * cfghooks.c (remove_edge): Request loop fixups if we delete
8802         an edge that might turn an irreducible loop into a natural
8803         loop.
8804
8805 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8806
8807         PR middle-end/69920
8808         * tree-sra.c (sra_modify_assign): Do not remove loads of
8809         uninitialized aggregates to SSA_NAMEs.
8810
8811 2016-02-26  Richard Henderson  <rth@redhat.com>
8812
8813         PR target/69709
8814         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
8815         pseudo in case the target rtx matches the source of the left
8816         shift.
8817
8818 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8819
8820         PR hsa/69568
8821         * hsa.h (hsa_type_packed_p): Declare.
8822         * hsa.c (hsa_type_packed_p): New function.
8823         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
8824         loads.
8825         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
8826         * hsa-brig.c (emit_basic_insn): Likewise.
8827
8828 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8829
8830         pr hsa/69674
8831         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
8832         pointers.
8833         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
8834
8835 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8836
8837         * hsa.h (is_a_helper): New overload for hsa_op_immed for
8838         hsa_op_with_type operands.
8839         (hsa_unsigned_type_for_type): Declare.
8840         * hsa.c (hsa_unsigned_type_for_type): New function.
8841         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
8842         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
8843         the finalizer.  Do not emit extra move.
8844
8845 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8846
8847         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
8848         atomic operations in private segment.
8849
8850 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8851
8852         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
8853         statements to wi->info.  Also disallow omp simd constructs.
8854         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
8855         for not gridifying.  Dump special string for omp_for.
8856
8857 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8858
8859         PR target/69245
8860         * config/aarch64/aarch64.c (aarch64_set_current_function):
8861         Save/restore target globals when switching to
8862         target_option_default_node.
8863
8864 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8865
8866         PR target/69613
8867         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
8868         Return 0 if !SHIFT_COUNT_TRUNCATED.
8869
8870 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8871             Eric Botcazou  <ebotcazou@adacore.com>
8872
8873         PR rtl-optimization/69891
8874         * dse.c (scan_insn): If we can't figure out memset arguments
8875         or they are non-constant, call clear_rhs_from_active_local_stores.
8876
8877 2016-02-26  Martin Liska  <mliska@suse.cz>
8878
8879         * doc/extend.texi: Mention clog10, clog10f an clog10l
8880         in Builtins section.
8881
8882 2016-02-26  Martin Liska  <mliska@suse.cz>
8883
8884         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
8885         CHECKING_P.
8886         (resolve_args_picking_1): Likewise.
8887         * dwarf2out.h (struct GTY): Likewise.
8888
8889 2016-02-26  Martin Liska  <mliska@suse.cz>
8890
8891         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
8892         with flag_checking.
8893         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8894
8895 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
8896             Martin Liska  <mliska@suse.cz>
8897
8898         * doc/install.texi: Mention --enable-valgrind-annotations.
8899
8900 2016-02-26  Richard Biener  <rguenther@suse.de>
8901
8902         PR tree-optimization/69551
8903         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
8904         looking through aliases adjust DECL_PT_UID to refer to the
8905         ultimate alias target.
8906
8907 2016-02-25  Martin Liska  <mliska@suse.cz>
8908
8909         PR middle-end/69919
8910         * alloc-pool.c (after_memory_report): New variable.
8911         * alloc-pool.h (base_pool_allocator ::release): Do not use
8912         the infrastructure if after_memory_report.
8913         * toplev.c (toplev::main): Mark after memory report.
8914
8915 2016-02-25  Richard Biener  <rguenther@suse.de>
8916
8917         PR tree-optimization/48795
8918         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
8919
8920 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
8921
8922         PR driver/68463
8923         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
8924         offloading is enabled and -fopenacc or -fopenmp is specified.
8925         (CRTOFFLOADEND): Likewise.
8926         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
8927         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
8928         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
8929         (offload_objects_file_name): New static var.
8930         (tool_cleanup): Remove offload_objects_file_name file.
8931         (find_offloadbeginend): Replace with ...
8932         (find_crtoffloadtable): ... this.
8933         (run_gcc): Remove offload_argc and offload_argv.
8934         Get offload_objects_file_name from -foffload-objects=... option.
8935         Read names of object files with offload from this file, pass them to
8936         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
8937         don't pass offloadbegin and offloadend to the linker.  Don't pass
8938         offload non-LTO files to the linker, because now they're not claimed.
8939
8940 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
8941
8942         PR ipa/69630
8943         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8944         on builtin_unreachable.
8945
8946 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
8947
8948         PR rtl-optimization/69896
8949         * regcprop.c: Include cfgrtl.h.
8950         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
8951         than remembered mode, either delete it (if noop_move_p), or
8952         treat like copy_p but not noop_p instruction.
8953
8954 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8955
8956         PR debug/69705
8957         * dwarf2out.c (gen_variable_die): Work around buggy LTO
8958         - allow NULL decl for Fortran DW_TAG_common_block variables.
8959
8960 2016-02-24  Jason Merrill  <jason@redhat.com>
8961
8962         * common.opt (flifetime-dse): Add -flifetime-dse=1.
8963
8964 2016-02-24  Richard Biener  <rguenther@suse.de>
8965             Jakub Jelinek  <jakub@redhat.com>
8966
8967         PR middle-end/69760
8968         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
8969         conditionally executed ops to well-defined overflow behavior.
8970
8971 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8972
8973         PR middle-end/69915
8974         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
8975         elements.
8976
8977 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8978
8979         PR rtl-optimization/69886
8980         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
8981         argument.  Use it when checking validity of set instructions.
8982         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
8983         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
8984         callsite.
8985         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
8986         * store-motion.c (find_moveable_store): Update
8987         can_assign_to_reg_without_clobbers_p callsite.
8988
8989 2016-02-24  Richard Biener  <rguenther@suse.de>
8990
8991         PR middle-end/68963
8992         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
8993         bogus check.
8994         (record_nonwrapping_iv): Do not fall back to the low/high bound
8995         for non-constant IV bases if the stmt is not always executed.
8996
8997 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8998
8999         * config/arm/arm-cores.def (cortex-a32): New entry.
9000         * config/arm/arm-tables.opt: Regenerate.
9001         * config/arm/arm-tune.md: Regenerate.
9002         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
9003         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
9004         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
9005         for -mcpu and -mtune.
9006
9007 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9008
9009         PR target/69875
9010         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
9011         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
9012         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
9013         (atomic_loaddi_1): Delete.
9014         (atomic_loaddi): Rewrite expander using the above changes.
9015
9016 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9017
9018         PR c/69918
9019         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
9020         2 to 3.
9021
9022 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
9023             Richard Biener  <rguenth@suse.de>
9024
9025         PR middle-end/69909
9026         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
9027         set_mem_attributes if tem is SSA_NAME which got expanded
9028         as a MEM.
9029
9030 2016-02-24  Richard Biener  <rguenther@suse.de>
9031
9032         PR tree-optimization/69907
9033         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
9034         end of permutations for BB vectorization.
9035
9036 2016-02-24  Christian Bruel  <christian.bruel@st.com>
9037
9038         * config/arm/arm-c.c (arm_option_override): Initialize
9039         target_option_current_node.
9040         * config/arm/arm.c (arm_pragma_target_parse): Replace
9041         build_target_option_node call by target_option_current_node.
9042         Set target_option_current_node.
9043         Fix comments.
9044
9045 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
9046
9047         PR target/69810
9048         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
9049         define_insn_and_split to define_insn.
9050         (zero_extendqi<mode>2_dot2): Same.
9051         (extendqi<mode>2_dot): Same.
9052         (extendqi<mode>2_dot2): Same.
9053
9054 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9055
9056         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
9057         and add bypass for AES{D,E} and AESMC pairs.
9058         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
9059         and AESMC pairs.
9060
9061 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
9062
9063         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
9064         series for reciprocal square root in Exynos M1.
9065
9066 2016-02-23  Martin Sebor  <msebor@redhat.com>
9067
9068         PR c/69759
9069         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
9070         __builtin_alloca_with_align.
9071
9072 2016-02-23  Richard Henderson  <rth@redhat.com>
9073
9074         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
9075         (ix86_register_pragmas): Remove __seg_tls.
9076         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
9077         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
9078         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
9079         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
9080         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
9081         * doc/extend.texi (__seg_tls): Remove item.
9082
9083 2016-02-23  Richard Biener  <rguenther@suse.de>
9084
9085         * alloc-pool.h (struct allocation_object): Make id member
9086         conditional on CHECKING_P again.
9087         (get_instance): Adjust.
9088         (base_pool_allocator): Likewise.
9089
9090 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
9091
9092         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
9093         (parallelize_loops): In OpenACC kernels mode, set n_threads to
9094         zero.
9095         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
9096         flag_openacc.
9097         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
9098
9099 2016-02-23  Richard Biener  <rguenther@suse.de>
9100
9101         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
9102         * bitmap.h (struct bitmap_usage): Likewise.
9103         (bitmap_move): Declare.
9104         * bitmap.c (register_overhead): Take size_t argument.
9105         (bitmap_move): New function.
9106         * df-problems.c (df_rd_transfer_function): Use bitmap_move
9107         to properly account overhead.
9108         * tree.c (free_node): Use tree_size.
9109
9110 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
9111
9112         PR c++/69902
9113         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
9114         when inverting comparison.
9115
9116         PR c/69900
9117         * common.opt (Wunreachable-code): Add Warning flag.
9118
9119 2016-02-23  Mark Wielaard  <mjw@redhat.com>
9120             Jakub Jelinek  <jakub@redhat.com>
9121
9122         PR c/69911
9123         * cgraphunit.c (check_global_declaration): Check main_input_filename
9124         and DECL_SOURCE_FILE are not NULL.
9125
9126 2016-02-23  Martin Jambor  <mjambor@suse.cz>
9127
9128         PR tree-optimization/69666
9129         * tree-sra.c (sra_modify_assign): Do not attempt to create
9130         default_def replacements for unscalarizable regions.
9131
9132 2016-02-20  Mark Wielaard  <mjw@redhat.com>
9133
9134         PR c/28901
9135         * cgraphunit.c (check_global_declaration): Check level of
9136         warn_unused_const_variable and main_input_filename.
9137         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
9138         (-Wunused-variable): For C implies -Wunused-const-variable=1.
9139         (-Wunused-const-variable): Explain levels 1 and 2.
9140
9141 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9142
9143         PR target/69888
9144         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
9145         identical arguments.  Formatting and spelling fixes.
9146
9147         PR target/69885
9148         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
9149         be specified.
9150
9151         PR target/69894
9152         PR target/69895
9153         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
9154         and m68k-devices.def.
9155         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
9156         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
9157
9158 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
9159
9160         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
9161         and HImode registers.
9162
9163 2016-02-22  Richard Biener  <rguenther@suse.de>
9164
9165         PR tree-optimization/69882
9166         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
9167         preserve permutations present because of gaps.
9168         (vect_supported_load_permutation_p): Always continue checking
9169         permutations after vect_attempt_slp_rearrange_stmts.
9170
9171 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
9172
9173         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
9174         min_profitable_estimate, rather than min_profitable_iters.
9175
9176 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9177
9178         PR target/69885
9179         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
9180         SImode for last match_operand.
9181
9182 2016-02-22  Martin Liska  <mliska@suse.cz>
9183
9184         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
9185         return bitsize - 1 as the return value.
9186
9187 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
9188
9189         PR target/69806
9190         PR target/54089
9191         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
9192         Handle negative shift counts.
9193         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
9194         force_reg on the shift constant.
9195         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
9196         (lshrsi3_d): Handle negative shift counts.
9197
9198 2016-02-22  Richard Biener  <rguenther@suse.de>
9199             Tom de Vries  <tom@codesourcery.com>
9200
9201         * graph.c: Include dumpfile.h.
9202         (print_graph_cfg): Split into three overloads.
9203         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
9204
9205 2016-02-22  Tom de Vries  <tom@codesourcery.com>
9206
9207         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
9208         dump-fn.
9209
9210 2016-02-22  Richard Biener  <rguenther@suse.de>
9211
9212         PR ipa/37448
9213         * ipa-inline-transform.c (inline_call): When not updating
9214         overall summaries adjust self size by the growth estimate.
9215         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
9216         hash-set, do not update overall summaries here.  Renamed from ...
9217         (inline_to_all_callers): ... this which is now wrapping the
9218         above and performing delayed overall summary update.
9219         (early_inline_small_functions): Delay updating of the overall
9220         summary.
9221
9222 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
9223
9224         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
9225         variable.
9226
9227 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9228
9229         PR driver/69805
9230         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
9231         :%* in %:gt() argument.
9232         (greater_than_spec_func): Adjust for expecting only numbers,
9233         if there are more than two numbers, compare the last two.
9234
9235 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
9236
9237         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
9238         -Wnarrowing with -std.
9239
9240 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9241
9242         PR c++/69851
9243         * expr.c (store_field): Don't use bit-field path if exp is
9244         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
9245         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
9246         and the assignment can be performed by bitwise copy.  Formatting
9247         fix.
9248
9249         PR middle-end/69838
9250         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
9251         call copy_reg_eh_region_note_forward on before and/or after sequences
9252         and remove note from insn if it no longer can throw.
9253
9254         PR target/69820
9255         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
9256         if TARGET_AVX512BW.
9257
9258 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9259
9260         * config/s390/vector.md: Add missing commutative operand markers
9261         to the patterns which qualify for one.
9262         * config/s390/vx-builtins.md: Likewise.
9263
9264 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9265
9266         * config/s390/vector.md (VI, VI_QHS): Add single element vector
9267         types to mode iterators.
9268         (vec_double): ... and mode attribute.
9269         * config/s390/vx-builtins.md (non_vec_int): Likewise.
9270
9271 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9272
9273         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
9274         Change the predicate of op2 from nonimmediate to general and let
9275         reload fix it if necessary.
9276
9277 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9278
9279         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
9280
9281 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9282
9283         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
9284         mode.
9285
9286 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9287
9288         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
9289         * config/s390/s390.c (s390_expand_vec_movstr): New function.
9290         * config/s390/s390.md ("movstr<P:mode>"): Call
9291         s390_expand_vec_movstr.
9292
9293 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9294
9295         * config/s390/s390.md: Add missing output modifier for operand 1
9296         to print it as address properly.
9297
9298 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9299
9300         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
9301         * config/s390/2964.md: New file.
9302         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
9303         of insn grouping attributes depending on the CPU level.
9304         (s390_get_unit_mask): New function.
9305         (s390_sched_score): Remove the OOO from the scheduling macros.
9306         Add loop to calculate a score for the instruction mix.
9307         (s390_sched_reorder): Likewise plus improve debug output.
9308         (s390_sched_variable_issue): Rename macros as above.  Calculate
9309         the unit distances after actually scheduling an insn.  Improve
9310         debug output.
9311         (s390_sched_init): Clear last_scheduled_unit_distance array.
9312         * config/s390/s390.md: Include 2964.md.
9313
9314 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9315
9316         PR target/69671
9317         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
9318         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
9319         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
9320         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
9321         *avx512f_<code>v8div16qi2_mask_1): New insns.
9322
9323 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
9324
9325         PR target/68404
9326         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
9327         2016-02-09 change.
9328
9329         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
9330         earlyclobber from target.  Use wF constraint for fused memory
9331         address.
9332         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
9333
9334 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9335             Martin Liska  <mliska@suse.cz>
9336
9337         PR sanitizer/69863
9338         * cfgexpand.c (asan_sanitize_stack_p): New function.
9339         (partition_stack_vars): Use the function.
9340         (expand_stack_vars): Likewise.
9341         (defer_stack_allocation): Likewise.
9342         (expand_used_vars): Likewise.
9343
9344 2016-02-18  Richard Biener  <rguenther@suse.de>
9345
9346         PR middle-end/69553
9347         * fold-const.c (operand_equal_p): Properly compare offsets for
9348         IMAGPART_EXPR and ARRAY_REF.
9349
9350 2016-02-18  Nick Clifton  <nickc@redhat.com>
9351
9352         PR target/62254
9353         PR target/69610
9354         * config/arm/arm.c (arm_option_override_internal): Disable
9355         interworking if the target does not support thumb instructions.
9356         (arm_reload_in_hi): Handle the case where a register to register
9357         move needs reloading because there is no simple pattern to handle
9358         it.
9359         (arm_reload_out_hi): Likewise.
9360
9361 2016-02-18  Richard Biener  <rguenther@suse.de>
9362
9363         PR middle-end/69854
9364         * match.pd: Don't use fold_binary or fold_unary for folding
9365         constants.
9366
9367 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
9368
9369         PR c++/69850
9370         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
9371         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
9372         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
9373         warn on gimple_no_warning_p statements.
9374
9375 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
9376
9377         * doc/extend.texi (C++ Attributes): Correct description of
9378         warn_unused type attribute.
9379
9380 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9381
9382         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
9383         correct instruction.
9384
9385 2016-02-17  Richard Biener  <rguenther@suse.de>
9386
9387         PR rtl-optimization/69609
9388         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
9389         (find_traces_1_round): When ending a trace update cached priority
9390         of successors.
9391         (bb_to_key): Use cached priority when available.
9392         (copy_bb): Initialize cached priority.
9393         (reorder_basic_blocks_software_trace_cache): Likewise.
9394
9395 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9396
9397         PR target/69161
9398         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
9399         New predicate.
9400         (aarch64_comparison_operator): Break overly long line into two.
9401         (aarch64_comparison_operation): Likewise.
9402         * config/aarch64/aarch64.md (cstorecc4): Use
9403         aarch64_comparison_operator_mode instead of
9404         aarch64_comparison_operator.
9405         (cstore<mode>4): Likewise.
9406         (aarch64_cstore<mode>): Likewise.
9407         (*cstoresi_insn_uxtw): Likewise.
9408         (cstore<mode>_neg): Likewise.
9409         (*cstoresi_neg_uxtw): Likewise.
9410
9411 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9412
9413         PR target/69161
9414         * config/arm/predicates.md (arm_comparison_operator_mode):
9415         New predicate.
9416         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
9417         instead of arm_comparison_operator.
9418         (*mov_negscc): Likewise.
9419         (*mov_notscc): Likewise.
9420         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
9421         (*thumb2_mov_negscc): Likewise.
9422         (*thumb2_mov_negscc_strict_it): Likewise.
9423         (*thumb2_mov_notscc): Likewise.
9424         (*thumb2_mov_notscc_strict_it): Likewise.
9425
9426 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
9427
9428         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
9429         Add missing return.
9430
9431 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
9432
9433         * config/visium/visium.c (machine_libfunc_index): New enum.
9434         (machine_libfuncs): New structure.
9435         (visium_libfuncs): New static variable.
9436         (TARGET_INIT_LIBFUNCS): Define to...
9437         (visium_init_libfuncs): ...this.  New function.
9438         (expand_block_move_4): Use the appropriate libfunc.
9439         (expand_block_move_2): Likewise.
9440         (expand_block_move_1): Likewise.
9441         (expand_block_set_4): Likewise.
9442         (expand_block_set_2): Likewise.
9443         (expand_block_set_1): Likewise.
9444         (visium_trampoline_init): Likewise.
9445
9446 2016-02-17  Nick Clifton  <nickc@redhat.com>
9447
9448         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
9449         TI's devices.csv file as of March 2016.
9450
9451 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9452
9453         PR Target/48344
9454         * opts-global.c (handle_common_deferred_options): Introduce and
9455         initialize two global variables to remember command-line options
9456         specifying a stack-limiting register.
9457         * opts.h: Add extern declarations of the two new global variables.
9458         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
9459         variable based on the values of the two new global variables.
9460
9461 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9462
9463         PR c/69835
9464         * common.opt (Wnonnull-compare): New warning.
9465         * doc/invoke.texi (-Wnonnull): Remove text about comparison
9466         of arguments against NULL.
9467         (-Wnonnull-compare): Document.
9468         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
9469         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
9470         * passes.def (pass_warn_nonnull_compare): Add.
9471         * gimple-ssa-nonnull-compare.c: New file.
9472
9473 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9474
9475         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
9476         AARCH64_EXTRA_TUNE_RECIP_SQRT.
9477
9478 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9479
9480         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
9481         reciprocal sqrt for -mlow-precision-recip-sqrt.
9482
9483 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9484             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9485
9486         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
9487         always use lane loads to construct non-constant vectors.
9488
9489 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9490
9491         * config/aarch64/aarch64.md
9492         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
9493         constraints for operand 3.
9494         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
9495
9496 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9497             Richard Biener  <rguenther@suse.de>
9498
9499         PR tree-optimization/69820
9500         * tree-vect-patterns.c (type_conversion_p): Return false if
9501         *orig_type is unsigned single precision or boolean.
9502         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
9503         Formatting fix.
9504
9505 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9506
9507         PR rtl-optimization/69764
9508         PR rtl-optimization/69771
9509         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
9510         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
9511
9512 2016-02-16  Richard Biener  <rguenther@suse.de>
9513
9514         PR tree-optimization/69776
9515         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
9516         sets from caller.
9517         (indirect_refs_may_alias_p): Likewise.
9518         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
9519         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
9520         according to tbaa_p.
9521         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
9522         (optimize_stmt): For redundant store discovery do not allow tbaa.
9523
9524 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
9525
9526         PR tree-optimization/69714
9527         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
9528         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
9529
9530 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
9531
9532         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
9533         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
9534         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
9535         * config/arc/arc.c (arc_init): Check FPU options.
9536         (get_arc_condition_code): Handle new CC_FPU* modes.
9537         (arc_select_cc_mode): Likewise.
9538         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
9539         register pair only. Allow access for ARCv2 accumulator.
9540         (gen_compare_reg): Whenever we have FPU support use FPU compare
9541         instructions.
9542         (arc_reorg): Don't generate brcc insns when FPU compare
9543         instructions are involved.
9544         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
9545         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
9546         floating point emulation.
9547         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
9548         (REVERSE_CONDITION): Add new CC_FPU* modes.
9549         (TARGET_FP_SP_BASE): Define.
9550         (TARGET_FP_DP_BASE): Likewise.
9551         (TARGET_FP_SP_FUSED): Likewise.
9552         (TARGET_FP_DP_FUSED): Likewise.
9553         (TARGET_FP_SP_CONV): Likewise.
9554         (TARGET_FP_DP_CONV): Likewise.
9555         (TARGET_FP_SP_SQRT): Likewise.
9556         (TARGET_FP_DP_SQRT): Likewise.
9557         (TARGET_FP_DP_AX): Likewise.
9558         * config/arc/arc.md (ARCV2_ACC): New constant.
9559         (type): New fpu type attribute.
9560         (SDF): Conditional iterator.
9561         (cstore<mode>, cbranch<mode>): Change expand condition.
9562         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
9563         handles FPU/FPX cases as well.
9564         * config/arc/arc.opt (mfpu): New option.
9565         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
9566         Renamed.
9567         (adddf3, muldf3, subdf3): Removed.
9568         * config/arc/predicates.md (proper_comparison_operator): Recognize
9569         CC_FPU* modes.
9570         * config/arc/fpu.md: New file.
9571         * doc/invoke.texi (ARC Options): Document mfpu option.
9572
9573 2016-02-16  Richard Biener  <rguenther@suse.de>
9574
9575         PR rtl-optimization/69291
9576         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
9577         noce_operand_ok check.
9578
9579 2016-02-16  Tom de Vries  <tom@codesourcery.com>
9580
9581         PR lto/67709
9582         * omp-low.c (simd_clone_create): Remove call to
9583         symtab->call_cgraph_insertion_hooks.
9584
9585 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9586
9587         PR tree-optimization/69802
9588         * tree-ssa-reassoc.c (update_range_test): If op is
9589         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
9590         op == 1 test of precision 1 integral op, otherwise handle
9591         that case as op itself.  Fix up formatting.
9592         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
9593         up formatting.
9594
9595 2016-02-16  Richard Biener  <rguenther@suse.de>
9596
9597         PR tree-optimization/69586
9598         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
9599         types for conversion sources.
9600
9601 2016-02-16  Richard Biener  <rguenther@suse.de>
9602
9603         PR middle-end/69801
9604         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
9605         mask OEP_ADDRESS_OF.
9606
9607 2016-02-16  Alan Modra  <amodra@gmail.com>
9608
9609         PR target/68973
9610         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
9611         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
9612         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
9613         (p8_mtvsrwz): New.
9614         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
9615         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
9616         (p8_fmrgow_<mode>): Likewise.
9617         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
9618         changes.
9619         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
9620         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
9621         to use movdi_internal64.  Remove op0_di.
9622         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
9623
9624 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
9625
9626         Add support for the FCCMP insn types
9627
9628         * config/aarch64/aarch64.md (fccmp): Change insn type.
9629         (fccmpe): Likewise.
9630         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
9631         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
9632         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
9633         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
9634         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
9635         * config/arm/types.md (fccmps): Add new insn type.
9636         (fccmpd): Likewise.
9637
9638 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9639
9640         * alias.c (get_alias_set): Fix a typo in comment.
9641
9642 2016-02-15  Richard Biener  <rguenther@suse.de>
9643
9644         PR tree-optimization/69595
9645         * match.pd: Complete range test simplification to true.
9646
9647 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
9648
9649         PR rtl-optimization/69648
9650         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
9651         pic_offset_table_rtx.
9652
9653         PR rtl-optimization/69752
9654         * ira.c (update_equiv_regs): When looking for more than a single SET,
9655         also take other side effects into account.
9656
9657 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9658
9659         * config/s390/s390.c (s390_function_profiler): Add a new sequence
9660         for z900+ CPUs in 31-bit mode.
9661
9662 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9663
9664         * common/config/s390/s390-common.c (s390_supports_split_stack):
9665         New function.
9666         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
9667         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
9668         * config/s390/s390.c (struct machine_function): New field
9669         split_stack_varargs_pointer.
9670         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
9671         in s390_emit_prologue.
9672         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
9673         vararg pointer.
9674         (morestack_ref): New global.
9675         (SPLIT_STACK_AVAILABLE): New macro.
9676         (s390_expand_split_stack_prologue): New function.
9677         (s390_live_on_entry): New function.
9678         (s390_va_start): Use split-stack vararg pointer if appropriate.
9679         (s390_asm_file_end): Emit the split-stack note sections.
9680         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
9681         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
9682         (UNSPECV_SPLIT_STACK_CALL): New unspec.
9683         (UNSPECV_SPLIT_STACK_DATA): New unspec.
9684         (split_stack_prologue): New expand.
9685         (split_stack_space_check): New expand.
9686         (split_stack_data): New insn.
9687         (split_stack_call): New expand.
9688         (split_stack_call_*): New insn.
9689         (split_stack_cond_call): New expand.
9690         (split_stack_cond_call_*): New insn.
9691
9692 2016-02-15  Richard Biener  <rguenther@suse.de>
9693
9694         PR tree-optimization/69783
9695         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9696         Add trivially correct cases.
9697
9698 2016-02-15  Tom de Vries  <tom@codesourcery.com>
9699
9700         PR lto/69655
9701         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
9702         do_force_output.
9703         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
9704
9705 2016-02-15  Richard Biener  <rguenther@suse.de>
9706
9707         PR tree-optimization/69776
9708         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9709         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
9710         indicate whether we can use TBAA to disambiguate against stores.
9711         Use alias-set zero if not.
9712         (visit_reference_op_store): Do not use TBAA when looking up
9713         redundant stores.
9714         * tree-ssa-pre.c (compute_avail): Use TBAA here.
9715         (eliminate_dom_walker::before_dom_children): But not when looking
9716         up redundant stores.
9717
9718 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
9719
9720         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
9721
9722 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9723
9724         *  config/i386/znver1.md
9725         (znver1_pop, znver1_pop_mem,
9726         znver1_load_imov_double_store,
9727         znver1_load_imov_direct_store,
9728         znver1_load_imov_direct_load,
9729         znver1_load_imov_double_load): Add new.
9730         (znver1_insn, znver1_insn_load): Add icmov type.
9731         (znver1_sseavx_fma,
9732         znver1_sseavx_fma_load,
9733         znver1_avx256_fma,
9734         znver1_avx256_fma_load): Fix pipe usage.
9735
9736 2016-02-14  Alan Modra  <amodra@gmail.com>
9737
9738         PR target/68973
9739         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
9740         with an invalid hard reg, reload just the reg not the entire
9741         pre/post-inc/dec address expression.
9742
9743 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9744
9745         PR target/67260
9746         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
9747         fixed R1_REG scratch reg.
9748         (sibcall_value_pcrel_fdpic): Likewise.
9749
9750 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9751
9752         PR target/67636
9753         PR target/64345
9754         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
9755
9756 2016-02-12  Walter Lee  <walt@tilera.com>
9757
9758         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
9759         * config/tilegx/t-tilegx: Likewise.
9760
9761 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9762
9763         PR other/69554
9764         * diagnostic-show-locus.c (struct line_span): New struct.
9765         (layout::get_first_line): Delete.
9766         (layout::get_last_line): Delete.
9767         (layout::get_num_line_spans): New member function.
9768         (layout::get_line_span): Likewise.
9769         (layout::print_heading_for_line_span_index_p): Likewise.
9770         (layout::get_expanded_location): Likewise.
9771         (layout::calculate_line_spans): Likewise.
9772         (layout::m_first_line): Delete.
9773         (layout::m_last_line): Delete.
9774         (layout::m_line_spans): New field.
9775         (layout::layout): Update comment.  Replace m_first_line and
9776         m_last_line with m_line_spans, replacing their initialization
9777         with a call to calculate_line_spans.
9778         (diagnostic_show_locus): When printing source lines and
9779         annotations, rather than looping over a single span
9780         of lines, instead loop over each line_span within
9781         the layout, with an inner loop over the lines within them.
9782         Call the context's start_span callback when changing line spans.
9783         * diagnostic.c (diagnostic_initialize): Initialize start_span.
9784         (diagnostic_build_prefix): Break out the building of the location
9785         part of the string into...
9786         (diagnostic_get_location_text): ...this new function, rewriting
9787         it from nested ternary expressions to a sequence of "if"
9788         statements.
9789         (default_diagnostic_start_span_fn): New function.
9790         * diagnostic.h (diagnostic_start_span_fn): New typedef.
9791         (diagnostic_context::start_span): New field.
9792         (default_diagnostic_start_span_fn): New prototype.
9793
9794 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9795
9796         PR driver/69779
9797         * gcc.c (driver::finalize): Fix cleanup of "specs".
9798
9799 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9800
9801         PR driver/69265
9802         PR driver/69453
9803         * gcc.c (driver::driver): Initialize m_option_suggestions.
9804         (driver::~driver): Clean up m_option_suggestions.
9805         (suggest_option): Convert to...
9806         (driver::suggest_option): ...this, and split out into
9807         driver::build_option_suggestions and find_closest_string.
9808         (driver::build_option_suggestions): New function, from
9809         first half of suggest_option.  Special-case
9810         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
9811         the sanitizer_opts array.  For options of enum types, add the
9812         various enum values to the candidate strings.
9813         (driver::handle_unrecognized_options): Remove "const".
9814         * gcc.h (driver::handle_unrecognized_options): Likewise.
9815         (driver::build_option_suggestions): New decl.
9816         (driver::suggest_option): New decl.
9817         (driver::m_option_suggestions): New field.
9818         * opts-common.c (add_misspelling_candidates): New function.
9819         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
9820         and make non-static.
9821         * opts.h (sanitizer_opts): New array decl.
9822         (add_misspelling_candidates): New function decl.
9823         * spellcheck.c (find_closest_string): New function.
9824         * spellcheck.h (find_closest_string): New function decl.
9825
9826 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9827
9828         PR rtl-optimization/69764
9829         PR rtl-optimization/69771
9830         * optabs.c (expand_binop_directly): For shift_optab_p, force
9831         convert_modes with VOIDmode if xop1 has VOIDmode.
9832
9833 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
9834
9835         PR target/69729
9836         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
9837         to correctly determine instrumentation thunks.
9838
9839 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9840
9841         PR ipa/69241
9842         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
9843         type by reference, force lhs on the call.
9844
9845         PR ipa/68672
9846         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
9847         Compute retval and retbnd early in all cases if split_part_return_p
9848         and return_bb is not EXIT.  Remove all clobber stmts and reset
9849         all debug stmts that refer to SSA_NAMEs defined in split part,
9850         except if it is retval, in that case replace the old retval with the
9851         lhs of the call to the split part.
9852
9853 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9854
9855         revert:
9856         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9857
9858         PR middle-end/66726
9859         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9860         whose result is used in PHI.
9861         (maybe_optimize_range_tests): Likewise.
9862         (final_range_test_p): Likweise.
9863
9864 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9865
9866         PR middle-end/66726
9867         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9868         whose result is used in PHI.
9869         (maybe_optimize_range_tests): Likewise.
9870         (final_range_test_p): Likweise.
9871
9872 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9873
9874         * cgraph.c: Spelling fixes - behaviour -> behavior and
9875         neighbour -> neighbor.
9876         * target.def: Likewise.
9877         * sel-sched.c: Likewise.
9878         * config/mips/mips.c: Likewise.
9879         * config/arc/arc.md: Likewise.
9880         * config/arm/cortex-a57.md: Likewise.
9881         * config/arm/arm.c: Likewise.
9882         * config/arm/neon.md: Likewise.
9883         * config/arm/arm-c.c: Likewise.
9884         * config/vms/vms-c.c: Likewise.
9885         * config/s390/s390.c: Likewise.
9886         * config/i386/znver1.md: Likewise.
9887         * config/i386/i386.c: Likewise.
9888         * config/ia64/hpux-unix2003.h: Likewise.
9889         * config/msp430/msp430.md: Likewise.
9890         * config/rx/rx.c: Likewise.
9891         * config/rx/rx.md: Likewise.
9892         * config/aarch64/aarch64-simd.md: Likewise.
9893         * config/aarch64/aarch64.c: Likewise.
9894         * config/nvptx/nvptx.c: Likewise.
9895         * config/bfin/bfin.c: Likewise.
9896         * config/cris/cris.opt: Likewise.
9897         * config/rs6000/rs6000.c: Likewise.
9898         * target.h: Likewise.
9899         * spellcheck.c: Likewise.
9900         * ira-build.c: Likewise.
9901         * tree-inline.c: Likewise.
9902         * builtins.c: Likewise.
9903         * lra-constraints.c: Likewise.
9904         * explow.c: Likewise.
9905         * hwint.h: Likewise.
9906         * targhooks.c: Likewise.
9907         * tree-vect-data-refs.c: Likewise.
9908         * expr.c: Likewise.
9909         * doc/tm.texi: Likewise.
9910         * doc/extend.texi: Likewise.
9911         * doc/install.texi: Likewise.
9912         * doc/md.texi: Likewise.
9913         * tree-ssa-tail-merge.c: Likewise.
9914         * sched-int.h: Likewise.
9915         * match.pd: Likewise.
9916         * sched-ebb.c: Likewise.
9917         * target.def (omit_struct_return_reg): Likewise.
9918         * gimple-ssa-isolate-paths.c: Likewise.
9919         (find_implicit_erroneous_behaviour): Renamed to...
9920         (find_implicit_erroneous_behavior): ... this.
9921         (find_explicit_erroneous_behaviour): Renamed to...
9922         (find_explicit_erroneous_behavior): ... this.
9923         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
9924
9925 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
9926
9927         PR rtl-optimization/64682
9928         PR rtl-optimization/69567
9929         PR rtl-optimization/69737
9930         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
9931         in I2 as well, just lose it.
9932
9933 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9934
9935         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
9936         New variable.
9937         (aarch64_last_printed_tune_string): Likewise.
9938         (aarch64_declare_function_name): Only output .arch assembler
9939         directive if it will be different from the previously output
9940         directive.  Same for .tune comment but only if -dA is set.
9941         (aarch64_start_file): New function.
9942         (TARGET_ASM_FILE_START): Define.
9943
9944 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
9945
9946         PR plugins/69758
9947         * Makefile.in (PLUGIN_HEADERS): Add params.list.
9948
9949 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
9950
9951         PR target/65313
9952         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
9953         -Wmaybe-uninitialized warning.
9954
9955 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
9956
9957         PR target/69713
9958         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
9959
9960 2016-02-11  Richard Biener  <rguenther@suse.de>
9961
9962         PR rtl-optimization/69291
9963         * ifcvt.c (noce_try_store_flag_constants): Do not allow
9964         subexpressions affected by changing the result.
9965
9966 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9967
9968         PR target/69148
9969         * lra-constraints.c (curr_insn_transform): Find in/out operands
9970         for secondary memory moves.  Update dups.
9971
9972 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
9973
9974         PR tree-optimization/69652
9975         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
9976         to nested loop, did source re-formatting, skip debug statements,
9977         add check on statement with volatile operand, remove dead scalar
9978         statements.
9979
9980 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
9981             Patrick Palka  <ppalka@gcc.gnu.org>
9982
9983         PR ipa/69241
9984         PR c++/69649
9985         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
9986         calls if the return type is TREE_ADDRESSABLE.
9987         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
9988         * ipa-split.c (split_function): Fix doubled "we" in comment.
9989         Use void return type for the split part even if
9990         !split_point->split_part_set_retval.
9991
9992 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
9993
9994         PR tree-optimization/68021
9995         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
9996         when computing the value of biv cand by itself.
9997
9998 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9999
10000         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
10001         (cortexa57_tunings): Likewise.
10002         (cortexa72_tunings): Likewise.
10003         (arch_macro_fusion_pair_p): Add support for AES fusion.
10004         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
10005         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
10006         Allow virtual registers before reload so early scheduling works.
10007         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
10008         correct latency and pipeline.
10009         (cortex_a57_crypto_complex): Likewise.
10010         (cortex_a57_crypto_xor): Likewise.
10011         (define_bypass): Add AES bypass.
10012
10013 2016-02-10  Richard Biener  <rguenther@suse.de>
10014
10015         PR tree-optimization/69726
10016         * passes.def: Add DCE pass before late uninit.
10017         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
10018         really fixup if-conversions job.
10019
10020 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
10021
10022         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
10023         (arm_cortex_a57_tune): Likewise.
10024         (aarch_macro_fusion_pair_p): Add support for AES fusion.
10025         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
10026
10027 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10028
10029         * timevar.def (TV_PHASE_DBGINFO): Delete.
10030         (TV_PHASE_CHECK_DBGINFO): Likewise.
10031         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
10032
10033 2016-02-10  Richard Biener  <rguenther@suse.de>
10034
10035         PR tree-optimization/69719
10036         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10037         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
10038
10039 2016-02-09  Andrew Pinski  <apinski@cavium.com>
10040
10041         PR tree-opt/69282
10042         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
10043         get_vcond_mask_icode returns false.
10044
10045 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
10046
10047         PR target/68404
10048         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
10049         an ADDIS that adds a pointer to a large constant that sets the
10050         upper16 bits with a load operation.
10051
10052 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10053
10054         PR target/68532
10055         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
10056         order.
10057         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
10058         endian.
10059         (vzipq_s16): Likewise.
10060         (vzipq_s32): Likewise.
10061         (vzipq_f32): Likewise.
10062         (vzipq_u8): Likewise.
10063         (vzipq_u16): Likewise.
10064         (vzipq_u32): Likewise.
10065         (vzipq_p8): Likewise.
10066         (vzipq_p16): Likewise.
10067
10068 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
10069
10070         PR target/68532
10071         * config/arm/arm.c (neon_endian_lane_map): New function.
10072         (neon_vector_pair_endian_lane_map): New function.
10073         (arm_evpc_neon_vuzp): Allow for big endian lane order.
10074         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
10075         endian.
10076         (vuzpq_s16): Likewise.
10077         (vuzpq_s32): Likewise.
10078         (vuzpq_f32): Likewise.
10079         (vuzpq_u8): Likewise.
10080         (vuzpq_u16): Likewise.
10081         (vuzpq_u32): Likewise.
10082         (vuzpq_p8): Likewise.
10083         (vuzpq_p16): Likewise.
10084
10085 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
10086
10087         PR target/69634
10088         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
10089         debug insns.
10090
10091 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
10092
10093         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
10094         truncate const_int operand 1 to QImode.
10095
10096 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10097
10098         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
10099         corresponding to an abnormal edge.
10100
10101 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10102
10103         PR tree-optimization/69599
10104         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
10105         function.
10106         (find_func_aliases_for_builtin_call, find_func_clobbers)
10107         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
10108         partition.
10109
10110 2016-02-09  Richard Biener  <rguenther@suse.de>
10111
10112         PR tree-optimization/69715
10113         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
10114         LHS on calls as non-rewritable.
10115
10116 2016-02-09  Tom de Vries  <tom@codesourcery.com>
10117
10118         PR lto/69707
10119         * lto-wrapper.c (append_diag_options): New function.
10120         (compile_offload_image): Call append_diag_options.
10121
10122 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
10123
10124         PR other/69722
10125         * doc/extend.texi (Flag Output Operands): Correct sectioning.
10126         Minor copy-edit to fix verb tenses.
10127
10128 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
10129
10130         PR tree-optimization/69209
10131         * ipa-split.c (split_function): If split part is not
10132         returning retval, retval has gimple type but is not
10133         gimple value, force it into a SSA_NAME first.
10134
10135 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
10136
10137         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
10138         outdated section.
10139
10140 2016-02-08  Jason Merrill  <jason@redhat.com>
10141
10142         PR c++/69631
10143         * convert.c (convert_to_integer_1): Check dofold on truncation
10144         distribution.
10145         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
10146         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
10147         Rename from *_nofold.
10148         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
10149         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
10150
10151 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
10152
10153         PR target/60410
10154         * tree.c (build_common_tree_nodes): Remove short_double argument.
10155         All callers changed.
10156         * tree.h (build_common_tree_nodes): Adjust declaration.
10157         * doc/invoke.texi (-fshort-double): Remove documentation.
10158         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10159         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
10160         * lto-wrapper.c (merge_and_complain, append_compiler_options)
10161         (append_linker_options): Don't handle OPT_fshort_double.
10162
10163         PR rtl-optimization/68730
10164         * lra-remat.c (insn_to_cand_activation): New static variable.
10165         (lra_remat): Allocate and free it.
10166         (create_cand): New arg activation. Initialize a field in
10167         insn_to_cand_activation if it is nonnull.
10168         (create_cands): Pass the activation insn to create_cand when making
10169         a candidate involving an output reload.  Reorganize code a little.
10170         (do_remat): Keep track of active status of candidates in a separate
10171         bitmap.
10172
10173 2016-02-08  Richard Biener  <rguenther@suse.de>
10174
10175         PR tree-optimization/69719
10176         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10177         Properly use absolute of the difference of the two offsets to
10178         compare or adjust the segment length.
10179
10180 2016-02-08  Richard Biener  <rguenther@suse.de>
10181             Jeff Law  <law@redhat.com>
10182
10183         PR target/68273
10184         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
10185         types for anonymous SSA names.
10186
10187 2016-02-08   Richard Biener  <rguenther@suse.de>
10188
10189         PR rtl-optimization/69274
10190         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
10191
10192 2016-02-08  Jeff Law  <law@redhat.com>
10193
10194         PR tree-optimization/65917
10195         * tree-ssa-dom.c (record_temporary_equivalences): Record both
10196         equivalences from if (x == y) style conditionals.
10197         (loop_depth_of_name): Remove.
10198         (record_equality): Remove loop depth check.
10199         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
10200         (const_and_copies::record_const_or_copy_raw): New member function.
10201         * tree-ssa-scopedtables.c
10202         (const_and_copies::record_const_or_copy_raw): New, factored out of
10203         (const_and_copies::record_const_or_copy): Call new member function.
10204
10205 2016-02-05  Jeff Law  <law@redhat.com>
10206
10207         PR tree-optimization/68541
10208         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
10209         (count_stmts_in_block): New function.
10210         (poor_ifcvt_candidate_code): Likewise.
10211         (is_feasible_trace): Add some heuristics to determine when path
10212         splitting is profitable.
10213         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
10214         is a diamond with a single exit.
10215
10216 2016-02-05  Martin Sebor  <msebor@redhat.com>
10217
10218         PR c++/69662
10219         * doc/invoke.texi: Update -Wplacement-new to take an optional
10220         argument.
10221
10222 2016-02-06  Richard Henderson  <rth@redhat.com>
10223
10224         PR c/69643
10225         * tree.c (tree_nop_conversion_p): Do not strip casts into or
10226         out of non-standard address spaces.
10227
10228 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10229
10230         PR rtl-optimization/69691
10231         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
10232
10233 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
10234
10235         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
10236         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
10237         (*ieee128_mfvsrd_64bit): Likewise.
10238         (*ieee128_mfvsrd_32bit): Likewise.
10239
10240 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
10241
10242         PR target/69369
10243         Revert r232560:
10244         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10245
10246         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10247         instrumented_version.
10248
10249 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10250
10251         * doc/invoke.texi (Optimize Options): In table of --param options
10252         rename second occurrence of tracer-min-branch-ratio to
10253         tracer-min-branch-probability, rename
10254         tracer-min-branch-ratio-feedback to
10255         tracer-min-branch-probability-feedback and clarify description,
10256         rename sched-spec-state-edge-prob-cutoff to
10257         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
10258         to selsched-insns-to-rename, rename lto-minpartition to
10259         lto-min-partition, delete reorder-blocks-duplicate and
10260         reorder-blocks-duplicate-feedback.
10261
10262 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10263
10264         * config/s390/s390.c (s390_register_info_set_ranges): Remove
10265         superfluous loops.
10266
10267 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10268
10269         * doc/extend.texi: S/390: Correct some typos.
10270
10271 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10272
10273         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
10274
10275 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10276
10277         PR target/69625
10278         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
10279         (s390_register_info_gprtofpr): Use new macros above.
10280         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
10281         its name.
10282         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
10283         its name.  Adjust restore and save gpr ranges.
10284         (s390_register_info_set_ranges): New function.
10285         (s390_register_info): Use new macros above.  Call
10286         s390_register_info_set_ranges.
10287         (s390_optimize_register_info): Likewise.
10288         (s390_hard_regno_rename_ok): Use new macros.
10289         (s390_hard_regno_scratch_ok): Likewise.
10290         (s390_emit_epilogue): Likewise.
10291         (s390_can_use_return_insn): Likewise.
10292         (s390_optimize_prologue): Likewise.
10293         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
10294
10295 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10296
10297         PR bootstrap/69677
10298         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
10299         alignment fixes.
10300         (ix86_option_override_internal): Disable TARGET_STV even for
10301         -m{incoming,preferred}-stack-boundary=3.
10302
10303 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10304
10305         * config.gcc: Mark deprecated rtems targets as obsolete.
10306
10307 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
10308
10309         PR rtl-optimization/64682
10310         PR rtl-optimization/69567
10311         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
10312         before I2 only if the register is both used and set in I2.
10313
10314 2016-02-04  DJ Delorie  <dj@redhat.com>
10315
10316         * config/msp430/msp430.c (msp430_start_function): Add function type.
10317
10318 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10319
10320         PR fortran/69368
10321         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
10322
10323 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
10324
10325         PR rtl-optimization/69577
10326         Revert:
10327         2015-10-29  Richard Henderson  <rth@redhat.com>
10328
10329         PR target/68124
10330         PR rtl-opt/67609
10331         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
10332         sse check to the exact conditions of PR 67609.
10333
10334 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
10335
10336         PR target/69667
10337         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
10338         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
10339         not allowed into the traditional Altivec registers.
10340         (movtd_64bit_nodm): Likewise.
10341         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
10342
10343 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
10344
10345         * config/aarch64/cortex-a57-fma-steering.c
10346         (aarch64_register_fma_steering): Remove "static" from arguments
10347         to register_pass.
10348
10349 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
10350
10351         PR target/69619
10352         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
10353         twice when complex.
10354
10355 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
10356
10357         * doc/invoke.texi: Delete -mno-fma4.
10358
10359 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
10360
10361         PR rtl-optimization/69577
10362         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
10363         (find_subregs_of_mode): Update accordingly.  Iterate over partial
10364         definitions.
10365
10366 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
10367
10368         * config/arm/arm-protos.h (neon_reinterpret): Remove.
10369         * config/arm/arm.c (neon_reinterpret): Remove.
10370         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
10371         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
10372         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
10373         vreinterpretti): Remove.
10374         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
10375         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
10376         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
10377         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
10378         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
10379         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
10380         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
10381         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
10382         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
10383         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
10384         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
10385         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
10386         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
10387         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
10388         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
10389         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
10390         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
10391         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
10392         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
10393         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
10394         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
10395         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
10396         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
10397         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
10398         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
10399         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
10400         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
10401         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
10402         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
10403         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
10404         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
10405         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
10406         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
10407         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
10408         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
10409         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
10410         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
10411         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
10412         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
10413         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
10414         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
10415         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
10416         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
10417         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
10418         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
10419         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
10420         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
10421         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
10422         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
10423         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
10424         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
10425         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
10426         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
10427         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
10428         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
10429         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
10430         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
10431         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
10432         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
10433         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
10434         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
10435         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
10436         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
10437         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
10438         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
10439         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
10440         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
10441         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
10442         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
10443         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
10444         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
10445         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
10446         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
10447         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
10448         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
10449         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
10450         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
10451         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
10452         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
10453         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
10454         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
10455         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
10456         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
10457         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
10458         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
10459         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
10460         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
10461         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
10462         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
10463         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
10464         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
10465         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
10466         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
10467         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
10468         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
10469         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
10470         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
10471         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
10472         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
10473         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
10474         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
10475         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
10476         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
10477
10478 2016-02-04  Martin Liska  <mliska@suse.cz>
10479
10480         PR sanitizer/69276
10481         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
10482         that are gimple_store_p.
10483         (maybe_instrument_call): Likewise.
10484
10485 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
10486
10487         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
10488         register scaling out of memory reference and comment why.
10489
10490 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10491
10492         PR target/65932
10493         PR target/67714
10494         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
10495         folding the source of a SET.
10496
10497 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10498
10499         PR target/65932
10500         PR target/67714
10501         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
10502         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
10503
10504 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
10505
10506         PR target/65932
10507         PR target/67714
10508         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
10509         HImode.
10510
10511 2016-02-04  Christian Bruel  <christian.bruel@st.com>
10512
10513         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
10514         * config/arm/arm.c (arm_set_current_function): Likewise.
10515
10516 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10517             Ilya Enkovich  <enkovich.gnu@gmail.com>
10518             H.J. Lu  <hongjiu.lu@intel.com>
10519
10520         PR target/69454
10521         * config/i386/i386.c (convert_scalars_to_vector): Remove
10522         stack alignment fixes.
10523         (ix86_option_override_internal): Disable TARGET_STV if stack
10524         might not be aligned enough.
10525         (ix86_minimum_alignment): Assert that TARGET_STV is false.
10526
10527 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
10528
10529         * config/i386/x86-tune.def: Disable default prefetching
10530         for -march=znver1.
10531
10532 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
10533             Vladimir Makarov  <vmakarov@redhat.com>
10534
10535         PR target/69461
10536         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
10537         in validating fused toc addresses.
10538
10539 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
10540
10541         PR c/69627
10542         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
10543         range->m_caret fields if range->m_show_caret_p is false.
10544
10545         PR target/69644
10546         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10547         Force oldval into register if it does not satisfy reg_or_short_operand
10548         predicate.  Fix up formatting.
10549
10550 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10551             Alexandre Oliva  <aoliva@redhat.com>
10552
10553         PR target/69461
10554         * lra-constraints.c (simplify_operand_subreg): Check additionally
10555         address validity after potential reloading.
10556         (process_address_1): Check insns validity.  In case of failure do
10557         nothing.
10558
10559 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
10560
10561         PR target/69118
10562         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
10563         Fix target.
10564
10565 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
10566
10567         * wide-int.cc (canonize_uhwi): New function.
10568         (wi::divmod_internal): Use it.
10569
10570 2016-02-02  James Norris  <jnorris@codesourcery.com
10571
10572         * gimplify.c (omp_notice_variable): Add usage check.
10573
10574 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
10575
10576         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
10577         like LE, GE, LT, GT when emitting relational operator.
10578
10579 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10580
10581         * ira-costs.c (find_costs_and_classes): Add extra argument.
10582         * target.def (ira_change_pseudo_allocno_class): Add parameter.
10583         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
10584         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
10585         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
10586         Add best_class parameter, and return it if not ALL_REGS.
10587         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
10588         Add parameter.
10589         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
10590         Update target hook.
10591
10592 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10593
10594         * config/aarch64/aarch64.c
10595         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
10596         (aarch64_ira_change_pseudo_allocno_class): New function.
10597
10598 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
10599
10600         PR target/67032
10601         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
10602
10603 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10604
10605         * config/avr/avr.c (avr_option_override): Set
10606         PARAM_ALLOW_STORE_DATA_RACES to 1.
10607
10608 2016-02-02  Richard Biener  <rguenther@suse.de>
10609
10610         PR tree-optimization/69595
10611         * match.pd: Add range test simplifications to true/false.
10612
10613 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
10614
10615         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
10616         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
10617         instead.
10618
10619 2016-02-02  Richard Biener  <rguenther@suse.de>
10620
10621         PR tree-optimization/69606
10622         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
10623         info on the result before moving a stmt.
10624
10625 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
10626
10627         PR middle-end/68542
10628         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
10629         branch with vector comparison.
10630         * config/i386/sse.md (VI48_AVX): New mode iterator.
10631         (define_expand "cbranch<mode>4): Add support for conditional branch
10632         with vector comparison.
10633         * tree-vect-loop.c (optimize_mask_stores): New function.
10634         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
10635         has_mask_store field of vect_info.
10636         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
10637         vectorized loops having masked stores after vec_info destroy.
10638         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
10639         correspondent macros.
10640         (optimize_mask_stores): Add prototype.
10641
10642 2016-02-02  Alan Modra  <amodra@gmail.com>
10643
10644         PR target/69548
10645         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
10646         allow subregs.
10647
10648 2016-02-02  Alan Modra  <amodra@gmail.com>
10649
10650         PR target/68662
10651         * config/rs6000/rs6000.c (need_toc_init): New var, set it
10652         whenever toc_label_name used.
10653         (rs6000_file_start): Don't set up toc section here,
10654         (rs6000_output_function_epilogue): do so here instead,
10655         (rs6000_xcoff_file_start): and here.
10656         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
10657         (load_toc_aix_di): Likewise.
10658
10659 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10660
10661         PR rtl-optimization/69592
10662         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
10663         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
10664         (num_sign_bit_copies_binary_arith_p): New inline function.
10665         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
10666
10667 2016-02-01  Jeff Law  <law@redhat.com>
10668
10669         PR tree-optimization/69580
10670         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
10671         * tree-ssa-threadbackward.c
10672         (fsm_find_control_statement_thread_paths): Do not try to walk
10673         through large PHI nodes.
10674
10675 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10676
10677         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
10678         when count is incremented above limit, don't analyze further
10679         insns afterwards.
10680
10681         * omp-low.c (oacc_parse_default_dims): Avoid
10682         -Wsign-compare warning, make sure value fits into int
10683         rather than just unsigned int.
10684
10685 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
10686
10687         PR tree-optimization/67921
10688         * fold-const.c (split_tree): New parameters.  Convert pointer
10689         type variable part to proper type before negating.
10690         (fold_binary_loc): Pass new arguments to split_tree.
10691
10692 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
10693
10694         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
10695         (nvptx_goacc_validate_dims): Extend to handle global defaults.
10696         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
10697         * doc/tm.texti: Rebuilt.
10698         * doc/invoke.texi (fopenacc-dim): Document.
10699         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
10700         (append_compiler_options): Likewise.
10701         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
10702         (oacc_parse_default_dims): New.
10703         (oacc_validate_dims): Add USED arg.  Select non-unity default when
10704         possible.
10705         (oacc_loop_fixed_partitions): Return mask of used partitions.
10706         (oacc_loop_auto_partitions): Emit dump info.
10707         (oacc_loop_partition): Return mask of used partitions.
10708         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
10709         loop partitioning and validation calls.
10710
10711 2016-02-01  Richard Biener  <rguenther@suse.de>
10712
10713         PR middle-end/69556
10714         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
10715
10716 2016-02-01  Richard Biener  <rguenther@suse.de>
10717
10718         PR tree-optimization/69574
10719         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
10720         of asserting return chrec_dont_know.
10721
10722 2016-02-01  Martin Liska  <mliska@suse.cz>
10723
10724         * mem-stats-traits.h: Add copyright header.
10725         * mem-stats.h: Likewise.
10726
10727 2016-02-01  Richard Biener  <rguenther@suse.de>
10728
10729         PR tree-optimization/69579
10730         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10731         Do not propagate through abnormal PHI results.
10732
10733 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
10734
10735         * postreload.c (reload_cse_simplify): Remove dead code.
10736
10737 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10738
10739         PR rtl-optimization/69570
10740         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
10741         if there is more than one set, not if there is a single set.
10742
10743 2016-02-01  Richard Henderson  <rth@redhat.com>
10744
10745         PR rtl-opt/69535
10746         * combine.c (make_compound_operation): When looking through a
10747         subreg, make sure to re-extend to the width of the outer mode.
10748
10749 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
10750
10751         PR tree-optimization/69546
10752         * wide-int.cc (wi::divmod_internal): For unsigned division
10753         where both operands fit into uhwi, if o1 is 1 and o0 has
10754         msb set, if divident_prec is larger than bits per hwi,
10755         clear another quotient word and return 2 instead of 1.
10756         Similarly for remainder with msb in HWI set, if dividend_prec
10757         is larger than bits per hwi.
10758
10759 2016-01-29  Martin Jambor  <mjambor@suse.cz>
10760
10761         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
10762         Use short lowercase names.
10763         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
10764         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
10765         acq_rel one.  Protect warning agains segfaults if
10766         get_memory_order_name returns NULL.
10767         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
10768         with release semantics.  Do not warn if get_memory_order already did.
10769         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
10770         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
10771         if get_memory_order already did.
10772
10773 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
10774
10775         * doc/install.texi: Document that isl-0.16 is supported.
10776
10777 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10778
10779         PR target/69299
10780         * config/i386/constraints.md (Bm): Describe as special memory
10781         constraint.
10782         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
10783         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10784         * genpreds.c (struct constraint_data): Add is_special_memory.
10785         (have_special_memory_constraints, special_memory_start): New
10786         static vars.
10787         (special_memory_end): Ditto.
10788         (add_constraint): Add new arg is_special_memory.  Add code to
10789         process its true value.  Update have_special_memory_constraints.
10790         (process_define_constraint): Pass the new arg.
10791         (process_define_register_constraint): Ditto.
10792         (choose_enum_order): Process special memory.
10793         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
10794         function insn_extra_special_memory_constraint.
10795         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10796         * gensupport.c (process_rtx): Process
10797         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10798         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
10799         * ira-lives.c (single_reg_class): Use
10800         insn_extra_special_memory_constraint.
10801         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
10802         * lra-constraints.c (process_alt_operands): Ditto.
10803         (curr_insn_transform): Use insn_extra_special_memory_constraint.
10804         * recog.c (asm_operand_ok, preprocess_constraints): Process
10805         CT_SPECIAL_MEMORY.
10806         * reload.c (find_reloads): Ditto.
10807         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
10808         * stmt.c (parse_input_constraint): Use
10809         insn_extra_special_memory_constraint.
10810
10811 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10812
10813         PR target/69530
10814         * lra-splill.c (lra_final_code_change): Revert r229087 by
10815         removing all sub-registers.
10816
10817 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
10818
10819         PR target/65604
10820         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
10821
10822 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
10823
10824         PR target/69551
10825         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10826         SSE1, copy target into the temporary reg first before recursing
10827         on it.
10828
10829 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10830
10831         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
10832         with vm.
10833
10834 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10835
10836         * ginclude/stdarg.h: Test __cplusplus instead of
10837         __GXX_EXPERIMENTAL_CXX0X__.
10838
10839 2016-01-29  Richard Biener  <rguenther@suse.de>
10840
10841         PR tree-optimization/69547
10842         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
10843         Do not mark clobbers necessary.
10844         (mark_all_reaching_defs_necessary_1): Likewise.
10845
10846 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10847
10848         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
10849         declaration name with %qs and print it in both error messages.
10850         Also fix indentation.
10851
10852 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10853
10854         PR other/69006
10855         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
10856         trailing blank line from error message.
10857
10858 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10859
10860         PR c++/69462
10861         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
10862         for C++-11.
10863
10864 2016-01-29  Richard Biener  <rguenther@suse.de>
10865
10866         PR middle-end/69537
10867         * match.pd: Allow all integral types when simplifying a
10868         widening or sign-changing conversion.
10869
10870 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10871
10872         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
10873         back to setting codegen_error to fail codegen.
10874
10875 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
10876
10877         PR target/69459
10878         * config/i386/constraints.md (C): Only accept constant zero operand.
10879         (BC): New constraint.
10880         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
10881         instead of C constraint.
10882         * doc/md.texi (Machine Constraints): Update description
10883         of C constraint.
10884
10885 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
10886
10887         PR target/68400
10888         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
10889
10890 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
10891
10892         PR middle-end/69542
10893         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
10894         non-debug insns.
10895
10896 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10897
10898         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
10899         branches if using guessed profile.
10900
10901 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
10902
10903         * graphite-optimize-isl.c (optimize_isl): Fix dump.
10904
10905 2016-01-28  Richard Henderson  <rth@redhat.com>
10906
10907         PR target/69305
10908         * config/aarch64/aarch64-modes.def (CC_Cmode): New
10909         * config/aarch64/aarch64-protos.h: Update.
10910         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
10911         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
10912         (aarch64_get_condition_code_1): Handle CC_Cmode.
10913         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
10914         (*add<mode>3_compareC_cconly_imm): New.
10915         (*add<mode>3_compareC_cconly): New.
10916         (*add<mode>3_compareC_imm): New.
10917         (add<mode>3_compareC): New.
10918         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
10919         to be first.  Use aarch64_carry_operation.
10920         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
10921         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
10922         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
10923         (subti3): Use subdi3_compare1.
10924         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
10925         (sub<mode>3_compare1): New.
10926         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
10927         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
10928         (*subsi3_carryin_uxtw): Likewise.
10929         (*ngc<mode>, *ngcsi_uxtw): Likewise.
10930         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
10931         * config/aarch64/iterators.md (DWI): New.
10932         * config/aarch64/predicates.md (aarch64_carry_operation): New.
10933         (aarch64_borrow_operation): New.
10934
10935 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10936
10937         * graphite-optimize-isl.c (optimize_isl): Print a different debug
10938         message when isl does not return a valid schedule.
10939
10940 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10941
10942         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
10943         Remove comments from class declarations: they are already in the code
10944         close by the defs.
10945
10946 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10947
10948         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
10949         codegen_error_p.
10950         (ternary_op_to_tree): Same.
10951         (unary_op_to_tree): Same.
10952         (nary_op_to_tree): Same.
10953         (gcc_expression_from_isl_expr_op): Same.
10954         (gcc_expression_from_isl_expression): Same.
10955         (graphite_create_new_loop): Same.
10956         (graphite_create_new_loop_guard): Same.
10957         (build_iv_mapping): Same.
10958         (graphite_create_new_guard): Same.
10959         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
10960         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
10961
10962 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10963
10964         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
10965         instead of setting codegen_error to fail codegen.
10966
10967 2016-01-28  Jason Merrill  <jason@redhat.com>
10968
10969         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
10970
10971 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10972
10973         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10974         Remove CONST_INT_P check in CCMP cost calculation.
10975
10976 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10977
10978         * config/aarch64/aarch64.c (generic_vector_cost):
10979         Set vec_permute_cost.
10980         (cortexa57_vector_cost): Likewise.
10981         (exynosm1_vector_cost): Likewise.
10982         (xgene1_vector_cost): Likewise.
10983         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
10984         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
10985         Add vec_permute_cost entry.
10986
10987 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10988
10989         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
10990         immediate as %1.
10991         (add<mode>3_compare0): Likewise.
10992         (addsi3_compare0_uxtw): Likewise.
10993         (add<mode>3nr_compare0): Likewise.
10994         (compare_neg<mode>): Likewise.
10995         (<optab><mode>3): Likewise.
10996
10997 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
10998
10999         * tree-vect-stmts.c (vectorizable_comparison): Add
11000         NULL check for vectype.
11001
11002 2016-01-28  Richard Biener  <rguenther@suse.de>
11003
11004         PR tree-optimization/69466
11005         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
11006         Account for PHIs we couldn't duplicate.
11007
11008 2016-01-28  Martin Liska  <mliska@suse.cz>
11009
11010         PR pch/68758
11011         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
11012         instead of ENABLE_VALGRIND_CHECKING.
11013
11014 2016-01-27  Richard Henderson  <rth@redhat.com>
11015
11016         PR rtl-opt/69447
11017         * lra-remat.c (subreg_regs): New.
11018         (dump_candidates_and_remat_bb_data): Dump it.
11019         (operand_to_remat): Reject if operand in subreg_regs.
11020         (set_bb_regs): Collect subreg_regs.
11021         (lra_remat): Init and free subreg_regs.  Compute
11022         calculate_local_reg_remat_bb_data before create_cands.
11023
11024 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11025
11026         PR target/68986
11027         * config/i386/i386.c (ix86_update_stack_boundary): Don't
11028         change stack_alignment_needed for __tls_get_addr call.
11029
11030 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
11031
11032         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
11033
11034 2016-01-27  Jeff Law  <law@redhat.com>
11035
11036         PR tree-optimization/68398
11037         PR tree-optimization/69196
11038         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
11039         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
11040         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11041         Only count PHIs in the last block in the path.  The others will
11042         const/copy propagate away.  Add heuristic to allow more irreducible
11043         subloops to be created when it is likely profitable to do so.
11044
11045         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
11046         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
11047         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
11048
11049 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11050
11051         PR lto/69254
11052         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
11053         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
11054         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
11055         * tree-streamer-in.c: Include asan.h.
11056         (streamer_get_builtin_tree): For builtins in sanitizer
11057         range call initialize_sanitizer_builtins and retry.
11058
11059 2016-01-27  Ian Lance Taylor  <iant@google.com>
11060
11061         * common.opt (fkeep-gc-roots-live): New undocumented option.
11062         * tree-ssa-loop-ivopts.c (add_candidate_1): If
11063         -fkeep-gc-roots-live, skip pointers.
11064         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
11065         NULL.
11066
11067 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
11068
11069         PR target/69512
11070         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
11071         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
11072
11073 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
11074
11075         PR target/68380
11076         * configure.ac: NetBSD provides SSP in its C library.
11077         * configure: Updated.
11078
11079 2016-01-27  Richard Biener  <rguenther@suse.de>
11080
11081         PR tree-optimization/69166
11082         * tree-vect-loop.c (vect_is_simple_reduction): Always check
11083         reduction code for commutativity / associativity.
11084
11085 2016-01-27  Martin Jambor  <mjambor@suse.cz>
11086
11087         PR tree-optimization/69355
11088         * tree-sra.c (analyze_access_subtree): Correct hole detection when
11089         total_scalarization fails.
11090
11091 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
11092
11093         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
11094         power9.
11095
11096 2016-01-27  Christian Bruel  <christian.bruel@st.com>
11097
11098         PR target/69245
11099         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
11100         Move arm_reset_previous_fndecl and set_target_option_current_node in
11101         the conditional part.  Call save_restore_target_globals.
11102         * config/arm/arm.c (arm_set_current_function):
11103         Refactor to better support #pragma target and attribute mix.
11104         Call save_restore_target_globals.
11105         * config/arm/arm-protos.h (save_restore_target_globals): New function.
11106
11107 2016-01-27  Martin Liska  <mliska@suse.cz>
11108
11109         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
11110         reference for an HSA kernel and its host function.
11111
11112 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
11113
11114         PR tree-optimization/69399
11115         * wide-int.h (wi::lrshift): For larger precisions, only
11116         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
11117
11118 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
11119
11120         * config/arc/predicates.md (proper_comparison_operator): Reject
11121         constant-constant comparison.
11122
11123 2016-01-26  Tom de Vries  <tom@codesourcery.com>
11124
11125         PR tree-optimization/69110
11126         * tree-data-ref.c (initialize_data_dependence_relation): Handle
11127         DR_NUM_DIMENSIONS == 0.
11128
11129 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
11130             Sebastian Pop  <s.pop@samsung.com>
11131
11132         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
11133         isl_ast_op_cond and isl_ast_op_select.
11134         (gcc_expression_from_isl_expr_op): Same.
11135
11136 2016-01-26  Jason Merrill  <jason@redhat.com>
11137
11138         PR c++/68782
11139         * tree.c (recompute_constructor_flags): Split out from
11140         build_constructor.
11141         (verify_constructor_flags): New.
11142         * tree.h: Declare them.
11143
11144 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
11145
11146         PR rtl-optimization/69217
11147         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
11148         are no TYPE_FIELDS set for the record type.
11149
11150 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11151
11152         PR target/68662
11153         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
11154         toc_label_name unconditionally.
11155         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
11156         SYMBOL_REF string.  Use toc_label_name instead of constructing
11157         LCTOC1.
11158         (rs6000_elf_declare_function_name): Use toc_label_name instead of
11159         constructing LCTOC1.
11160
11161 2016-01-26  Martin Sebor  <msebor@redhat.com>
11162
11163         PR other/69477
11164         * doc/extend.texi (Common Type Attributes): Move text that talks about
11165         attribute packed from attribute aligned to the section discussing
11166         the former attribute for clarity.
11167
11168 2016-01-26  Richard Henderson  <rth@redhat.com>
11169
11170         PR middle-end/60908
11171         * trans-mem.c (tm_region_init): Mark entry block as visited.
11172
11173 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
11174
11175         PR other/69006
11176         * diagnostic-show-locus.c (layout::print_source_line): Replace
11177         call to pp_newline with call to layout::print_newline.
11178         (layout::print_annotation_line): Likewise.
11179         (layout::move_to_column): Likewise.
11180         (layout::print_any_fixits): After printing any fixits, print a
11181         trailing newline, if necessary.
11182         (layout::print_newline): New method, resetting any colorization
11183         before a newline.
11184         (diagnostic_show_locus): Move the pp_newline to before the
11185         early bailout.  Remove dummy block enclosing the layout instance.
11186         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
11187         of pp_newline_and_flush with pp_flush.
11188         (diagnostic_append_note): Delete use of pp_newline.
11189         (diagnostic_append_note_at_rich_loc): Delete.
11190         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
11191         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
11192         when newline characters are added to the buffer.
11193
11194 2016-01-26  Michael Matz  <matz@suse.de>
11195
11196         * configure.ac (ac_cv_std_swap_in_utility): New test.
11197         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
11198         * configure: Regenerate.
11199         * config.in: Regenerate.
11200
11201 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
11202
11203         * config/arc/arc.md (cstoresi4): Force operand into register.
11204         (arcset<code>): Fix predicate.
11205         (arcsetltu): Likewise.
11206         (arcsetgeu): Likewise.
11207         (arcsethi): Likewise.
11208         (arcsetls): Likewise.
11209
11210 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11211
11212         PR tree-optimization/69483
11213         * gimple-fold.c (canonicalize_constructor_val): Return NULL
11214         if base has error_mark_node type.
11215
11216 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
11217
11218         PR target/68620
11219         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
11220         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
11221         New helper macros.
11222         (vget_lane_f16): Handle big-endian.
11223         (vgetq_lane_f16): Likewise.
11224         (vset_lane_f16): Likewise.
11225         (vsetq_lane_f16): Likewise.
11226         * config/arm/iterators.md (VQXMOV): Add V8HF.
11227         (VDQ): Add V4HF and V8HF.
11228         (V_reg): Handle V4HF and V8HF.
11229         (Is_float_mode): Likewise.
11230         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
11231         neon_vdup_nv8hf): New patterns.
11232         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
11233         Use VD_LANE iterator.
11234         (neon_vld1_dup<mode>): Use VQ2 iterator.
11235
11236 2016-01-26  Nathan Sidwell  <nathan@acm.org>
11237
11238         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
11239         (set_oacc_fn_attrib): Add IS_KERNEL arg.
11240         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
11241         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
11242         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
11243         (oacc_validate_dims): Add LEVEL arg, don't return level.
11244         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
11245         oacc_validate_dims.
11246         (execute_oacc_device_lower): Adjust, add more dump output.
11247         * tree-ssa-loop.c (gate_oacc_kernels): Use
11248         oacc_fn_attrib_kernels_p.
11249         * tree-parloops.c (create_parallel_loop): Adjust
11250         set_oacc_fn_attrib call.
11251
11252 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11253
11254         PR lto/69254
11255         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
11256         (append_compiler_options): Handle -fcilkplus.
11257         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
11258
11259 2016-01-26  Nick Clifton  <nickc@redhat.com>
11260
11261         PR target/66655
11262         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
11263         been marked as DECL_ONE_ONLY but we do not the means to make it
11264         so, then do not allow it to bind locally.
11265
11266 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11267
11268         PR lto/69254
11269         * opts.h (parse_sanitizer_options): New prototype.
11270         * opts.c (sanitizer_opts): New array.
11271         (parse_sanitizer_options): New function.
11272         (common_handle_option): Use parse_sanitizer_options.
11273
11274 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
11275
11276         PR target/68986
11277         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
11278         alignment adjustment to ...
11279         (ix86_update_stack_boundary): Here.  Don't over-align stack for
11280         __tls_get_addr.
11281         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
11282         if __tls_get_addr is called.
11283
11284 2016-01-26  Christian Bruel  <christian.bruel@st.com>
11285
11286         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
11287
11288 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
11289
11290         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
11291
11292 2016-01-26  Richard Biener  <rguenther@suse.de>
11293
11294         PR middle-end/69467
11295         * match.pd: Guard X * CST CMP 0 pattern with single_use.
11296
11297 2016-01-26  Richard Biener  <rguenther@suse.de>
11298
11299         PR tree-optimization/69452
11300         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
11301         (move_computations_dom_walker::before_dom_children): Rename
11302         to ...
11303         (move_computations_worker): This.
11304         (move_computations): Perform an RPO rather than a DOM walk.
11305
11306 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11307
11308         PR target/69442
11309         * combine.c (combine_instructions): For REG_EQUAL note with
11310         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
11311         to the underlying register.
11312         * doc/rtl.texi (REG_EQUAL): Document the behavior of
11313         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
11314
11315 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
11316
11317         PR target/67896
11318         * config/aarch64/aarch64-builtins.c
11319         (aarch64_init_simd_builtin_types): Do not set structural
11320         equality to __Poly{8,16,64,128}_t types.
11321
11322 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
11323
11324         PR tree-optimization/69400
11325         * wide-int.cc (wi_pack): Take the precision as argument and
11326         perform canonicalization here rather than in the callers.
11327         Use the main loop to handle all full-width HWIs.  Add a
11328         zero HWI if in_len isn't a full result.
11329         (wi::divmod_internal): Update accordingly.
11330         (wi::mul_internal): Likewise.  Simplify.
11331
11332 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11333             Sebastian Pop  <s.pop@samsung.com>
11334
11335         * graphite-poly.c (apply_poly_transforms): Simplify.
11336         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
11337         (print_isl_map): Same.
11338         (print_isl_union_map): Same.
11339         (print_isl_schedule): New.
11340         (debug_isl_schedule): New.
11341         * graphite-dependences.c (scop_get_reads): Do not call
11342         isl_union_map_add_map that is undocumented isl functionality.
11343         (scop_get_must_writes): Same.
11344         (scop_get_may_writes): Same.
11345         (scop_get_original_schedule): Remove.
11346         (scop_get_dependences): Do not call isl_union_map_compute_flow that
11347         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
11348         (compute_deps): Remove.
11349         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
11350         (debug_schedule_ast): New.
11351         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
11352         set_separate_option.
11353         (graphite_regenerate_ast_isl): Add dump.
11354         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
11355         from scop->transformed_schedule.
11356         (graphite_regenerate_ast_isl): Add more dump.
11357         * graphite-optimize-isl.c (optimize_isl): Set
11358         scop->transformed_schedule.  Check whether schedules are equal.
11359         (apply_poly_transforms): Move here.
11360         * graphite-poly.c (apply_poly_transforms): ... from here.
11361         (free_poly_bb): Static.
11362         (free_scop): Static.
11363         (pbb_number_of_iterations_at_time): Remove.
11364         (print_isl_ast): New.
11365         (debug_isl_ast): New.
11366         (debug_scop_pbb): New.
11367         * graphite-scop-detection.c (print_edge): Move.
11368         (print_sese): Move.
11369         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
11370         (build_scop_scattering): Remove.
11371         (create_pw_aff_from_tree): Assert instead of bailing out.
11372         (add_condition_to_pbb): Remove unused code, do not fail.
11373         (add_conditions_to_domain): Same.
11374         (add_conditions_to_constraints): Remove.
11375         (build_scop_context): New.
11376         (add_iter_domain_dimension): New.
11377         (build_iteration_domains): Initialize pbb->iterators.
11378         Call add_conditions_to_domain.
11379         (nested_in): New.
11380         (loop_at): New.
11381         (index_outermost_in_loop): New.
11382         (index_pbb_in_loop): New.
11383         (outermost_pbb_in): New.
11384         (add_in_sequence): New.
11385         (add_outer_projection): New.
11386         (outer_projection_mupa): New.
11387         (add_loop_schedule): New.
11388         (build_schedule_pbb): New.
11389         (build_schedule_loop): New.
11390         (embed_in_surrounding_loops): New.
11391         (build_schedule_loop_nest): New.
11392         (build_original_schedule): New.
11393         (build_poly_scop): Call build_original_schedule.
11394         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
11395         (free_poly_dr): Remove.
11396         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
11397         (free_poly_bb): Remove.
11398         (debug_loop_vec): Remove.
11399         (print_isl_ast): Declare.
11400         (debug_isl_ast): Declare.
11401         (scop_do_interchange): Remove.
11402         (scop_do_strip_mine): Remove.
11403         (scop_do_block): Remove.
11404         (flatten_all_loops): Remove.
11405         (optimize_isl): Remove.
11406         (pbb_number_of_iterations_at_time): Remove.
11407         (debug_scop_pbb): Declare.
11408         (print_schedule_ast): Declare.
11409         (debug_schedule_ast): Declare.
11410         (struct scop): Remove schedule.  Add original_schedule,
11411         transformed_schedule.
11412         (free_gimple_poly_bb): Remove.
11413         (print_generated_program): Remove.
11414         (debug_generated_program): Remove.
11415         (unify_scattering_dimensions): Remove.
11416         * sese.c (print_edge): ... here.
11417         (print_sese): ... here.
11418         (debug_edge): ... here.
11419         (debug_sese): ... here.
11420         * sese.h (print_edge): Declare.
11421         (print_sese): Declare.
11422         (dump_edge): Declare.
11423         (dump_sese): Declare.
11424
11425 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11426             Sebastian Pop  <s.pop@samsung.com>
11427
11428         * Makefile.in: Set ISLVER in site.exp.
11429
11430 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
11431
11432         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
11433         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
11434         through DECL_VALUE_EXPR for expansion.
11435
11436 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11437
11438         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
11439         the frame info after reload completed.
11440
11441 2016-01-25  Jeff Law  <law@redhat.com>
11442
11443         PR tree-optimization/69196
11444         PR tree-optimization/68398
11445         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
11446         tree-ssa-threadupdate.c.
11447         (determine_bb_domination_status): Prototype
11448         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
11449         (determine_bb_domination_status): No longer static.
11450         (valid_jump_thread_path): Remove code to detect characteristics
11451         of the jump thread path not associated with correctness.
11452         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
11453         Correct test for thread path length.  Count PHIs for real operands as
11454         statements that need to be copied.  Do not count ASSERT_EXPRs.
11455         Look at all the blocks in the thread path.  Compute and selectively
11456         filter thread paths based on threading through the latch, threading
11457         a multiway branch or crossing a multiway branch.
11458
11459 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11460
11461         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
11462         decl with __attribute__ ((unused)) annotation.
11463
11464 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
11465
11466         PR target/69421
11467         * tree-vect-stmts.c (vectorizable_condition): Check vectype
11468         of operands is compatible with a statement vectype.
11469
11470 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
11471
11472         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
11473         improve wording for mixed storage order support.
11474
11475 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
11476
11477         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
11478         (vcvt_u64_f64): Likewise.
11479         (vcvta_s64_f64): Likewise.
11480         (vcvta_u64_f64): Likewise.
11481         (vcvtm_s64_f64): Likewise.
11482         (vcvtm_u64_f64): Likewise.
11483         (vcvtn_s64_f64): Likewise.
11484         (vcvtn_u64_f64): Likewise.
11485         (vcvtp_s64_f64): Likewise.
11486         (vcvtp_u64_f64): Likewise.
11487
11488 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
11489
11490         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
11491         (arc_init): Check validity mll64 option.
11492         (arc_save_restore): Use double load/store instruction.
11493         (arc_expand_movmem): Likewise.
11494         (arc_split_move): Don't split if we have double load/store
11495         instructions. Returns a boolean.
11496         (arc_process_double_reg_moves): Change function to return boolean
11497         instead of a sequence of instructions.
11498         (arc_dwarf_register_span): New function.
11499         * config/arc/arc-protos.h (arc_split_move): Change prototype.
11500         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
11501         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
11502         (*movdf_insn): Likewise.
11503         * config/arc/arc.opt (mll64): New option.
11504         * config/arc/predicates.md (even_register_operand): New predicate.
11505         * doc/invoke.texi (ARC Options): Add mll64 documentation.
11506
11507 2016-01-25  Richard Biener  <rguenther@suse.de>
11508
11509         PR lto/69393
11510         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
11511         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
11512         DECL_NAMELESS.
11513         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
11514
11515 2016-01-25  Richard Biener  <rguenther@suse.de>
11516
11517         PR tree-optimization/69376
11518         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
11519         flag.
11520         (VN_INFO_ANTI_RANGE_P): New inline.
11521         (VN_INFO_RANGE_TYPE): Likewise.
11522         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
11523         SSA_NAME_ANTI_RANGE_P.
11524         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
11525         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11526         Properly query VN_INFO_RANGE_TYPE.
11527
11528 2016-01-25  Nick Clifton  <nickc@redhat.com>
11529
11530         PR target/66655
11531         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
11532
11533 2016-01-23  Tom de Vries  <tom@codesourcery.com>
11534
11535         PR tree-optimization/69426
11536         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
11537         removed clobber.
11538
11539 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
11540
11541         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
11542         "the the" with "the" in the comments.
11543         * ipa-devirt.c (build_type_inheritance_graph,
11544         update_type_inheritance_graph): Likewise.
11545         * tree.c (build_function_type_list_1): Likewise.
11546         * cfgloopmanip.c (scale_loop_profile): Likewise.
11547         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
11548         * gimple-ssa-split-paths.c
11549         (find_block_to_duplicate_for_splitting_paths): Likewise.
11550         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
11551         * expr.c (convert_move): Likewise.
11552         * var-tracking.c (vt_stack_adjustments): Likewise.
11553         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11554         * tree-vrp.c (test_for_singularity): Likewise.
11555
11556         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
11557         directly instead of building a temporary tree.
11558
11559         PR bootstrap/69434
11560         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
11561         remove <algorithm> include.
11562
11563 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11564
11565         PR target/69432
11566         * config/i386/i386.c: Include dojump.h.
11567         (expand_small_movmem_or_setmem,
11568         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
11569         fixes.
11570         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
11571         if dynamic_check != -1.
11572
11573 2016-01-21  Jeff Law  <law@redhat.com>
11574
11575         PR middle-end/69347
11576         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
11577         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
11578         into dominated_by_p.
11579         (cprop_into_successor_phis): Avoid unnecessary tests.
11580
11581 2016-01-22  Richard Henderson  <rth@redhat.com>
11582
11583         PR target/69416
11584         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
11585         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
11586
11587 2016-01-22  Michael Matz  <matz@suse.de>
11588
11589         * system.h (string, algorithm): Include only conditionally.
11590         (new): Include always under C++.
11591         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
11592         * final.c (toplevel): Ditto.
11593         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
11594         * genconditions.c (write_header): Make gencondmd.c define
11595         INCLUDE_STRING.
11596         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
11597
11598         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
11599         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
11600
11601 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11602
11603         PR target/68674
11604         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
11605
11606 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11607
11608         PR target/69403
11609         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
11610         define_insn_and_split.  Ensure operands[1] and operands[0] do not
11611         get assigned the same register.
11612
11613 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
11614
11615         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
11616
11617 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11618
11619         * config/arm/arm-c.c (arm_pragma_target_parse):
11620         Remove warn_builtin_macro_redefined overwrite.
11621
11622 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11623
11624         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
11625         flag_non_call_exceptions compatibility.
11626
11627 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11628
11629         PR debug/66668
11630         * dwarf2out.c (add_child_die_after): New function.
11631         (dwarf_qual_info_t): New type.
11632         (dwarf_qual_info): New variable.
11633         (qualified_die_p): New function.
11634         (modified_type_die): For -fdebug-types-section, ensure
11635         canonical order of qualifiers.  Put qualified DIEs adjacent
11636         to the corresponding non-qualified type DIE and search there
11637         for existing qualified DIEs.
11638
11639 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11640
11641         * doc/extend.texi (scalar_storage_order type attribute): Document
11642         restriction on type punning and aliasing, and remove future tense.
11643
11644 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
11645
11646         PR target/69252
11647         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
11648         first stage.
11649
11650 2016-01-21  Jeff Law  <law@redhat.com>
11651
11652         PR middle-end/69347
11653         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
11654         useless call to record_temporary_equivalences.
11655         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
11656         allocate 10 slots in the bb_path vector and let it grow as needed.
11657         (fsm_find_control_statement_thread_paths): Similarly for the next_path
11658         vector.
11659
11660 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11661
11662         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
11663         Detangle.
11664         * configure: Regenerate.
11665
11666 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
11667
11668         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
11669         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
11670
11671 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11672
11673         PR middle-end/66178
11674         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
11675         drop EXPAND_INITIALIZER.
11676         * rtl.h (contains_symbolic_reference_p): Declare.
11677         * rtlanal.c (contains_symbolic_reference_p): New function.
11678         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
11679         a subtraction into a NOT if symbolic constants are involved.
11680
11681 2016-01-21  Anton Blanchard  <anton@samba.org>
11682             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11683
11684         PR target/63354
11685         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
11686         #define.
11687         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
11688         function.
11689
11690 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11691
11692         * config/microblaze/microblaze.c
11693         (get_branch_target): New.
11694         (insert_wic_for_ilb_runout): New.
11695         (insert_wic): New.
11696         (microblaze_machine_dependent_reorg): New.
11697         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
11698         * config/microblaze/microblaze.md
11699         (UNSPEC_IPREFETCH): Define.
11700         (iprefetch): New pattern
11701         * config/microblaze/microblaze.opt
11702         (mxl-prefetch): New flag.
11703
11704 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11705
11706         * config/microblaze/microblaze.h
11707         (FIXED_REGISTERS): Update in macro.
11708         (CALL_USED_REGISTERS): Update in macro.
11709
11710 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
11711
11712         PR rtl-optimization/68920
11713         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
11714         moves.
11715
11716 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11717
11718         PR rtl-optimization/68990
11719         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
11720         pseudo instead of inheritance ones.
11721
11722 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11723             Nick Clifton  <nickc@redhat.com>
11724
11725         PR target/69129
11726         PR target/69012
11727         * config/mips/mips.c (mips_compute_frame_info): Initialise
11728         args_size and hard_frame_pointer_offset fields of the frame
11729         structure before calling mips_global_pointer.
11730
11731 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11732
11733         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
11734         label reference.
11735         * configure: Regenerate.
11736
11737 2016-01-21  Richard Biener  <rguenther@suse.de>
11738
11739         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
11740
11741 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11742
11743         * config/s390/s390.c (s390_asm_declare_function_size): Add code
11744         to actually emit the .size directive.
11745
11746 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
11747              Jakub Jelinek  <jakub@redhat.com>
11748
11749         PR target/69187
11750         PR target/65624
11751         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
11752         args array size by one to avoid buffer overflow.
11753
11754 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11755
11756         * config/s390/s390.md (pool_section_start): Use switch_to_section
11757         to select proper read-only data section instead of hardcoding
11758         .rodata.
11759         (pool_section_end): Use switch_to_section to match the above.
11760
11761 2016-01-21  Richard Biener  <rguenther@suse.de>
11762
11763         PR tree-optimization/69378
11764         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
11765         (set_ssa_val_to): Use it for dominance checks taking into
11766         account not executable edges.
11767
11768 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11769
11770         PR c++/69355
11771         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
11772         for bitsize instead of GET_MODE_PRECISION (mode).
11773
11774 2016-01-20  Martin Sebor  <msebor@redhat.com>
11775
11776         PR c/52291
11777         * extend.texi (__sync Builtins): Clarify the semantics of
11778         __sync_fetch_and_OP built-ins on pointers.
11779         (__atomic Builtins): Same.
11780
11781 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11782             Sebastian Pop  <s.pop@samsung.com>
11783
11784         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
11785         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
11786         (is_valid_rename): Same.
11787         (translate_isl_ast_to_gimple::get_rename): Same.
11788         (translate_isl_ast_to_gimple::rename_all_uses): Same.
11789         (translate_isl_ast_to_gimple::rename_uses): Same.
11790         (get_new_name): Check for close_phi nodes.
11791         (copy_loop_phi_args): Use phi_node_kind.
11792         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
11793         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
11794
11795 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11796             Sebastian Pop  <s.pop@samsung.com>
11797
11798         Revert commit r229783.
11799         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
11800         Remove use of parameter_rename_map.
11801         (copy_def): Remove.
11802         (copy_internal_parameters): Remove.
11803         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
11804         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
11805         (free_sese_info): Do not free parameter_rename_map.
11806         (set_rename): Do not use parameter_rename_map.
11807         (rename_uses): Update call to set_rename.
11808         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
11809         * sese.h (parameter_rename_map_t): Remove.
11810         (struct sese_info_t): Remove field parameter_rename_map.
11811
11812 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11813             Sebastian Pop  <s.pop@samsung.com>
11814
11815         * graphite-isl-ast-to-gimple.c: Fix comment.
11816         * graphite-scop-detection.c (defined_in_loop_p): New.
11817         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
11818         names defined in loop.
11819
11820 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11821             Sebastian Pop  <s.pop@samsung.com>
11822
11823         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11824         Discard unstructured if-then-else regions.
11825
11826 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11827             Sebastian Pop  <s.pop@samsung.com>
11828
11829         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
11830         (cleanup_loop_iter_dom): Remove.
11831         (build_loop_iteration_domains): Remove.
11832         (build_scop_context): Remove.
11833         (build_scop_iteration_domain): Remove.
11834         (add_loop_constraints): New.
11835         (build_iteration_domains): New.
11836         (build_poly_scop): Call build_iteration_domains.
11837
11838 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11839             Sebastian Pop  <s.pop@samsung.com>
11840
11841         * graphite-scop-detection.c
11842         (scop_detection::harmful_loop_in_region): Free dom and loops.
11843         (scop_detection::loop_body_is_valid_scop): Free bbs.
11844
11845 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11846             Sebastian Pop  <s.pop@samsung.com>
11847
11848         * graphite-scop-detection.c (record_loop_in_sese): New.
11849         (gather_bbs::before_dom_children): Call record_loop_in_sese.
11850         (build_scops): Remove call to build_sese_loop_nests.
11851         * sese.c (sese_record_loop): Remove.
11852         (build_sese_loop_nests): Remove.
11853         (new_sese_info): Remove region->loops.
11854         (free_sese_info): Same.
11855         * sese.h (sese_contains_loop): Same.
11856         (build_sese_loop_nests): Remove.
11857         (sese_contains_loop): Remove.
11858
11859 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11860             Sebastian Pop  <s.pop@samsung.com>
11861
11862         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
11863         loop_is_valid_in_scop.
11864         (scop_detection::harmful_stmt_in_region): Renamed
11865         harmful_loop_in_region.
11866         Call loop_is_valid_in_scop.
11867
11868 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11869             Sebastian Pop  <s.pop@samsung.com>
11870
11871         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
11872         isl_ast_node_mark.
11873
11874 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11875             Sebastian Pop  <s.pop@samsung.com>
11876
11877         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
11878         * graphite.h (struct poly_bb): Remove field is_reduction.
11879         (PBB_IS_REDUCTION): Remove.
11880
11881 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11882             Sebastian Pop  <s.pop@samsung.com>
11883
11884         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
11885         (add_pdr_constraints): Same.
11886         (scop_get_reads): Same.
11887         (scop_get_must_writes): Same.
11888         (scop_get_may_writes): Same.
11889         (scop_get_original_schedule): Same.
11890         (extend_schedule): Same.
11891         (apply_schedule_on_deps): Same.
11892         (carries_deps): Same.
11893         (compute_deps): Same.
11894         (scop_get_dependences): Same.
11895         * graphite-isl-ast-to-gimple.c
11896         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
11897         * graphite-optimize-isl.c (get_schedule_for_band): Same.
11898         (get_schedule_for_band_list): Same.
11899         (get_schedule_map): Same.
11900         (apply_schedule_map_to_scop): Same.
11901         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
11902         (build_loop_iteration_domains): Same.
11903         (add_condition_to_pbb): Same.
11904         (add_param_constraints): Same.
11905         (pdr_add_memory_accesses): Same.
11906         (pdr_add_data_dimensions): Same.
11907
11908 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11909
11910         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
11911         requirements.
11912
11913 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11914
11915         * common.opt (feliminate-dwarf2-dups): Replace references to
11916         "DWARF 2" with just "DWARF".
11917         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
11918         * doc/extend.texi: Likewise.
11919         * doc/cpp.texi: Likewise.
11920         * doc/invoke.texi: Likewise.
11921         (Option Summary): Add -gdwarf to list of Debugging Options.
11922         (Debugging Options): Document -gdwarf.
11923         * doc/contrib.texi: Spell "DWARF" like that.
11924
11925 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11926
11927         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
11928         warning.  Fix up formatting.
11929
11930         PR middle-end/67653
11931         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
11932         attempt to mark memory input operand addressable and
11933         call prepare_gimple_addressable in that case.  Don't adjust
11934         input_location for diagnostics, use error_at instead.
11935
11936 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
11937
11938         * config/rs6000/ppc-auxv.h: New file.
11939         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
11940         (cpu_is): Likewise.
11941         (cpu_supports): Likewise.
11942         * config/rs6000/rs6000.c: include "ppc-auxv.h".
11943         (cpu_is_info): New variable.
11944         (cpu_supports_info): Likewise.
11945         (tcb_verification_symbol): Likewise.
11946         (cpu_builtin_p): Likewise.
11947         (cpu_expand_builtin): New function.
11948         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
11949         (rs6000_init_builtins): Likewise.
11950         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
11951         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
11952         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
11953         * configure: Regenerate.
11954         * config.in: Likewise.
11955         * doc/extend.texi (PowerPC Built-in Functions): Document
11956         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
11957
11958 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
11959
11960         PR target/68609
11961         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
11962         domain check.
11963         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
11964         for V4SFmode.
11965
11966 2016-01-20  Richard Henderson  <rth@redhat.com>
11967
11968         PR bootstrap/69343
11969         PR bootstrap/69339
11970         PR tree-opt/68964
11971         Revert:
11972         * tree.c (tm_define_builtin): New.
11973         (find_tm_vector_type): New.
11974         (build_tm_vector_builtins): New.
11975         (build_common_builtin_nodes): Call it.
11976
11977 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
11978
11979         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
11980         (arm_fp_ok): Likewise.
11981         (arm_fp): Likewise.
11982         (arm_crypto): Likewise.
11983
11984 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
11985             Richard Biener  <rguenther@suse.de>
11986
11987         PR tree-optimization/69328
11988         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
11989         vectors have same number of elements.
11990         (vectorizable_condition): Fix masked version recognition.
11991
11992 2016-01-20  Richard Biener  <rguenther@suse.de>
11993
11994         PR tree-optimization/69345
11995         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
11996         (VN_INFO_PTR_INFO): Likewise.
11997         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
11998         info when it is equal between non-dominating SSA names.
11999         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
12000         Make sure to look at original SSA infos.
12001
12002 2016-01-20  Jeff Law  <law@redhat.com>
12003
12004         PR target/25114
12005         * config/m68k/predicates.md (pow2_m1_operand): New predicate
12006         extracted from ...
12007         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
12008         (pc_or_label_operand): New predicate.
12009         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
12010         tests for small integers that are 2^n - 1.
12011
12012 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
12013
12014         * doc/invoke.texi (Options Summary): Add '.' after @xref.
12015
12016 2016-01-19  Jeff Law  <law@redhat.com>
12017
12018         PR middle-end/69347
12019         * tree-ssa-threadbackwards.c
12020         (fsm_find_control_statement_thread_paths): Do not try to lookup
12021         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
12022
12023 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
12024
12025         * doc/lto.texi: Remove text that says only Gold has linker plugin
12026         support.
12027
12028 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
12029
12030         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
12031         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
12032         the DIE accordingly.
12033         (modified_type_die): Add REVERSE parameter and pass it recursively,
12034         as well as to base_type_die.  Adjust presence check accordingly.
12035         (base_type_for_mode): Adjust call to modified_type_die.
12036         (add_type_attribute): Add REVERSE parameter and pass it to
12037         modified_type_die.
12038         (generic_parameter_die): Adjust call to add_type_attribute.
12039         (add_scalar_info): Likewise.
12040         (add_subscript_info): Likewise.
12041         (gen_array_type_die): Likewise.
12042         (gen_descr_array_type_die): Likewise.
12043         (gen_entry_point_die): Likewise.
12044         (gen_enumeration_type_die): Likewise.
12045         (gen_formal_parameter_die): Likewise.
12046         (gen_subprogram_die): Likewise.
12047         (gen_variable_die ): Likewise.
12048         (gen_const_die): Likewise.
12049         (gen_field_die): Likewise.
12050         (gen_pointer_type_die): Likewise.
12051         (gen_reference_type_die): Likewise.
12052         (gen_ptr_to_mbr_type_die): Likewise.
12053         (gen_inheritance_die): Likewise.
12054         (gen_subroutine_type_die): Likewise.
12055         (gen_typedef_die): Likewise.
12056         (force_type_die): Adjust call to modified_type_die.
12057
12058 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12059
12060         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
12061         flow throughout the file.  Fix broken link to Objective-C 2.0
12062         documentation.
12063         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
12064         errors.
12065
12066 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12067
12068         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
12069
12070 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12071
12072         PR ipa/66223
12073         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
12074         (maybe_record_node): Record cxa_pure_virtual as the only possible
12075         target if there are not ohter candidates.
12076         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
12077
12078 2016-01-19  Richard Biener  <rguenther@suse.de>
12079
12080         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
12081         (get_memory_order): Likewise.
12082
12083 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
12084
12085         * tree-vect-stmts.c (vectorizable_store): Check
12086         rhs vectype.
12087
12088 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
12089
12090         PR jit/68446
12091         * gcc.c (driver::decode_argv): Add call to
12092         init_opts_obstack before init_options_struct.
12093         * opts.c (init_opts_obstack): Remove idempotency.
12094         (init_options_struct): Replace call to init_opts_obstack
12095         with a gcc_assert to verify that it has already been called.
12096         * toplev.c (toplev::main): Add call to init_opts_obstack before
12097         calls to init_options_struct.
12098         (toplev::finalize): Move cleanup of opts_obstack next to
12099         cleanup of save_decoded_options, clearing the latter, and
12100         save_decoded_options_count.
12101
12102 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12103
12104         PR target/69135
12105         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
12106         attribute to unconditional.  Remove %? from output template.
12107
12108 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12109             Jiong Wang  <jiong.wang@arm.com>
12110
12111         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
12112         generated from different expand order.
12113
12114 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12115
12116         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
12117         Add support for CCMP costing.
12118
12119 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12120
12121         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
12122         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
12123         (fccmpe<mode>): Likewise.
12124         (fcmp): Rename to fcmp and globalize pattern.
12125         (fcmpe): Likewise.
12126         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
12127         (aarch64_gen_ccmp_next): Add FP support.
12128
12129 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
12130
12131         * target.def (gen_ccmp_first): Update documentation.
12132         (gen_ccmp_next): Likewise.
12133         * doc/tm.texi (gen_ccmp_first): Update documentation.
12134         (gen_ccmp_next): Likewise.
12135         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
12136         expand_ccmp_expr_1.  Improve comments.
12137         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
12138         (ccmp_ior<mode>): Remove pattern.
12139         (cmp<mode>): Remove expand.
12140         (cmp): Globalize pattern.
12141         (cstorecc4): Use cc_register.
12142         (mov<mode>cc): Remove ccmp_cc_register check.
12143         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
12144         Simplify after removal of CC_DNE/* modes.
12145         (aarch64_ccmp_mode_to_code): Remove.
12146         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
12147         In 'k' case use integer as condition.
12148         (aarch64_nzcv_codes): Remove inverted cases.
12149         (aarch64_code_to_ccmode): Remove.
12150         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
12151         comparison with CC register to be used in folowing CCMP/branch/CSEL.
12152         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
12153         pattern.  Return the comparison with CC register.  Invert conditions
12154         when bitcode is OR.
12155         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
12156         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
12157
12158 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12159
12160         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12161         instrumented_version.
12162
12163 2016-01-19  Richard Biener  <rguenther@suse.de>
12164
12165         PR tree-optimization/69336
12166         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
12167         handled components with get_ref_base_and_extent.
12168         (equal_mem_array_ref_p): Adjust.
12169
12170 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12171
12172         PR debug/65779
12173         * shrink-wrap.c: Include valtrack.h.
12174         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
12175         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
12176         in between insn and where it will be moved to.  Call
12177         dead_debug_insert_temp.
12178         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
12179         first and dead_debug_local_finish at the end.
12180         For uses and defs bitmap, handle all regs in between REGNO and
12181         END_REGNO, not just the first one.
12182
12183 2016-01-19  Richard Biener  <rguenther@suse.de>
12184
12185         PR tree-optimization/69352
12186         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
12187         (equal_mem_array_ref_p): Constrain size and max size properly.
12188         Compare the reverse flag.
12189
12190 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
12191
12192         * ira.c (ira): Update regstat data if we deleted insns.
12193
12194 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12195
12196         PR rtl-optimization/68955
12197         PR rtl-optimization/64557
12198         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
12199         here.  Fix up formatting.
12200         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
12201
12202 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12203
12204         PR lto/69133
12205         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
12206         assume that the node has body.
12207         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
12208         check.
12209
12210 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12211
12212         * lto-streamer-out.c (lto_output): Do not stream instrumentation
12213         thunks.
12214
12215 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12216
12217         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
12218         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
12219
12220 2016-01-19  Martin Jambor  <mjambor@suse.cz>
12221             Martin Liska  <mliska@suse.cz>
12222             Michael Matz  <matz@suse.de>
12223
12224         * Makefile.in (OBJS): Add new source files.
12225         (GTFILES): Add hsa.c.
12226         * common.opt (disable_hsa): New variable.
12227         (-Whsa): New warning.
12228         * config.in (ENABLE_HSA): New.
12229         * configure.ac: Treat hsa differently from other accelerators.
12230         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
12231         $enable_offloading.
12232         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
12233         * doc/install.texi (Configuration): Document --with-hsa-runtime,
12234         --with-hsa-runtime-include, --with-hsa-runtime-lib and
12235         --with-hsa-kmt-lib.
12236         * doc/invoke.texi (-Whsa): Document.
12237         (hsa-gen-debug-stores): Likewise.
12238         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
12239         to invoke offload compiler for hsa acclerator.
12240         * opts.c (common_handle_option): Determine whether HSA offloading
12241         should be performed.
12242         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
12243         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
12244         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
12245         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
12246         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
12247         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
12248         GF_OMP_FOR_KIND_GRID_LOOP.
12249         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
12250         (pp_gimple_stmt_1): Likewise.
12251         * gimple-walk.c (walk_gimple_stmt): Likewise.
12252         * gimple.c (gimple_build_omp_grid_body): New function.
12253         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
12254         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
12255         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
12256         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
12257         GF_OMP_TEAMS_GRID_PHONY.
12258         (gimple_statement_omp_single_layout): Updated comments.
12259         (gimple_build_omp_grid_body): New function.
12260         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
12261         (gimple_omp_for_grid_phony): New function.
12262         (gimple_omp_for_set_grid_phony): Likewise.
12263         (gimple_omp_parallel_grid_phony): Likewise.
12264         (gimple_omp_parallel_set_grid_phony): Likewise.
12265         (gimple_omp_teams_grid_phony): Likewise.
12266         (gimple_omp_teams_set_grid_phony): Likewise.
12267         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
12268         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
12269         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
12270         (BUILT_IN_GOMP_TARGET): Updated type.
12271         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
12272         (adjust_for_condition): New function.
12273         (get_omp_for_step_from_incr): Likewise.
12274         (extract_omp_for_data): Moved parts to adjust_for_condition and
12275         get_omp_for_step_from_incr.
12276         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
12277         (fixup_child_record_type): Bail out if receiver_decl is NULL.
12278         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
12279         (scan_omp_parallel): Do not create child functions for phony
12280         constructs.
12281         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
12282         (scan_omp_1_op): Checking assert we are not remapping to
12283         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
12284         (parallel_needs_hsa_kernel_p): New function.
12285         (expand_parallel_call): Register apprpriate parallel child
12286         functions as HSA kernels.
12287         (grid_launch_attributes_trees): New type.
12288         (grid_attr_trees): New variable.
12289         (grid_create_kernel_launch_attr_types): New function.
12290         (grid_insert_store_range_dim): Likewise.
12291         (grid_get_kernel_launch_attributes): Likewise.
12292         (get_target_argument_identifier_1): Likewise.
12293         (get_target_argument_identifier): Likewise.
12294         (get_target_argument_value): Likewise.
12295         (push_target_argument_according_to_value): Likewise.
12296         (get_target_arguments): Likewise.
12297         (expand_omp_target): Call get_target_arguments instead of looking
12298         up for teams and thread limit.
12299         (grid_expand_omp_for_loop): New function.
12300         (grid_arg_decl_map): New type.
12301         (grid_remap_kernel_arg_accesses): New function.
12302         (grid_expand_target_kernel_body): New function.
12303         (expand_omp): Call it.
12304         (lower_omp_for): Do not emit phony constructs.
12305         (lower_omp_taskreg): Do not emit phony constructs but create for them
12306         a temporary variable receiver_decl.
12307         (lower_omp_taskreg): Do not emit phony constructs.
12308         (lower_omp_teams): Likewise.
12309         (lower_omp_grid_body): New function.
12310         (lower_omp_1): Call it.
12311         (grid_reg_assignment_to_local_var_p): New function.
12312         (grid_seq_only_contains_local_assignments): Likewise.
12313         (grid_find_single_omp_among_assignments_1): Likewise.
12314         (grid_find_single_omp_among_assignments): Likewise.
12315         (grid_find_ungridifiable_statement): Likewise.
12316         (grid_target_follows_gridifiable_pattern): Likewise.
12317         (grid_remap_prebody_decls): Likewise.
12318         (grid_copy_leading_local_assignments): Likewise.
12319         (grid_process_kernel_body_copy): Likewise.
12320         (grid_attempt_target_gridification): Likewise.
12321         (grid_gridify_all_targets_stmt): Likewise.
12322         (grid_gridify_all_targets): Likewise.
12323         (execute_lower_omp): Call grid_gridify_all_targets.
12324         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
12325         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
12326         (tree_omp_clause): Added union field dimension.
12327         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
12328         * tree.c (omp_clause_num_ops): Added number of arguments of
12329         OMP_CLAUSE__GRIDDIM_.
12330         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
12331         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
12332         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
12333         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
12334         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
12335         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
12336         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
12337         * tree-pass.h (make_pass_gen_hsail): Declare.
12338         (make_pass_ipa_hsa): Likewise.
12339         * ipa-hsa.c: New file.
12340         * lto-section-in.c (lto_section_name): Add hsa section name.
12341         * lto-streamer.h (lto_section_type): Add hsa section.
12342         * timevar.def (TV_IPA_HSA): New.
12343         * hsa-brig-format.h: New file.
12344         * hsa-brig.c: New file.
12345         * hsa-dump.c: Likewise.
12346         * hsa-gen.c: Likewise.
12347         * hsa.c: Likewise.
12348         * hsa.h: Likewise.
12349         * toplev.c (compile_file): Call hsa_output_brig.
12350         * hsa-regalloc.c: New file.
12351
12352 2016-01-18  Jeff Law  <law@redhat.com>
12353
12354         PR tree-optimization/69320
12355         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
12356         ranged object, do nothing if the RHS constant is not [0..1].
12357         (optimize_stmt): Comparing a boolean ranged object against a
12358         constant outside [0..1] results in a compile-time constant.
12359
12360         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
12361         test.
12362
12363 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
12364
12365         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12366         (Option Summary): Update to reflect new section and moved options.
12367         (C++ Dialect Options): Move -fstats to new section.
12368         (Debugging Options): Move all dump, statistics, and other GCC
12369         developer options to new section.  Rewrite section introduction
12370         and re-order remaining options to put the more basic ones first.
12371         (Optimization Options): Move -fira-verbose and -flto-report* to
12372         new section.
12373         (Developer Options): New section incorporating moved options.
12374         * doc/cppopts.texi (-dM): Update cross-reference.
12375
12376 2016-01-18  Richard Henderson  <rth@redhat.com>
12377
12378         PR target/69176
12379         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
12380         operands to pseudo only if CSE is expected.  Split long immediate
12381         operands only after reload, and for the stack pointer.
12382         (*add<GPI>3_pluslong): Remove.
12383         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
12384         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
12385         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
12386         (*add<GPI>3 peepholes): New.
12387         (*add<GPI>3 splitters): New.
12388         * config/aarch64/constraints.md (Upl): New.
12389         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
12390
12391 2016-01-18  Richard Biener  <rguenther@suse.de>
12392
12393         PR tree-optimization/69297
12394         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
12395         stmt at most once.
12396         (vect_bb_vectorization_profitable_p): Clear visited flag again.
12397
12398 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
12399
12400         PR middle-end/68542
12401         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
12402         of mixind vector and scalar types.
12403         (fold_relational_const): Add handling of vector
12404         comparison with boolean result.
12405         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
12406         comparison of vector operands with boolean result for EQ/NE only.
12407         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
12408         (verify_gimple_cond): Likewise.
12409         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
12410         valid type of VAL.
12411
12412 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
12413
12414         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
12415         !TARGET_OCTEON.
12416
12417 2016-01-18  Richard Biener  <rguenther@suse.de>
12418
12419         PR middle-end/69308
12420         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
12421
12422 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12423
12424         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
12425
12426 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12427
12428         * omp-low.c (set_oacc_fn_attrib): Make extern.
12429         * omp-low.h (set_oacc_fn_attrib): Declare.
12430         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
12431         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
12432         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
12433         Add and handle function parameter oacc_kernels_p.
12434         (find_reduc_addr, get_omp_data_i_param): New function.
12435         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
12436         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
12437         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
12438         Calculate dominance info.  Skip loops that are not in a kernels region
12439         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
12440         (pass_parallelize_loops::execute): Call parallelize_loops with
12441         oacc_kernels_p argument.
12442         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
12443         New member function.
12444         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
12445         * passes.def: Add argument to pass_parallelize_loops instantation.
12446
12447 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12448
12449         * tree-parloops.c (pass_parallelize_loops::execute): Allow
12450         pass_parallelize_loops to be run outside the loop pipeline.
12451
12452 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12453
12454         * tree-scalar-evolution.c (follow_copies_to_constant): New.
12455         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
12456
12457 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12458
12459         PR target/63679
12460         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
12461         using get_ref_base_and_extent.
12462         (equal_mem_array_ref_p): New.
12463         (hashable_expr_equal_p): Add call to previous.
12464
12465 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12466
12467         PR target/63679
12468         * tree-sra.c (disqualified_constants, constant_decl_p): New.
12469         (sra_initialize): Allocate disqualified_constants.
12470         (sra_deinitialize): Free disqualified_constants.
12471         (disqualify_candidate): Update disqualified_constants when appropriate.
12472         (create_access): Scan for constant-pool entries as we go along.
12473         (scalarizable_type_p): Add check against type_contains_placeholder_p.
12474         (maybe_add_sra_candidate): Allow constant-pool entries.
12475         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
12476         (initialize_constant_pool_replacements): New.
12477         (sra_modify_assign): Avoid mangling assignments created by previous,
12478         and don't generate writes into constant pool.
12479         (sra_modify_function_body): Call initialize_constant_pool_replacements.
12480
12481 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12482
12483         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
12484         andnot instruction.
12485         (scalar_chain::convert_op): Likewise.
12486         * config/i386/i386.md (*andndi3_doubleword): New.
12487
12488 2016-01-18  Richard Biener  <rguenther@suse.de>
12489
12490         PR tree-optimization/69170
12491         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
12492         building a vector from scalar results of a pattern stmt.
12493
12494 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
12495
12496         * haifa-sched.c (autopref_multipass_init): Work around
12497         -Wmaybe-uninitialized warning.
12498
12499 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12500
12501         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
12502         against the constant 0.
12503
12504 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12505
12506         PR tree-optimization/68799
12507         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
12508         look up phi candidates in the statement-candidate map.
12509         (phi_add_costs): Likewise.
12510         (record_phi_increments): Likewise.
12511         (phi_incr_cost): Likewise.
12512         (ncd_with_phi): Likewise.
12513         (all_phi_incrs_profitable): Likewise.
12514
12515 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
12516
12517         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
12518         -Wmaybe-uninitialized warning.
12519
12520 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
12521
12522         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12523         (Option Summary): Update to reflect new section and moved options.
12524         (C++ Dialect Options): Move -fvtable-verify and related options.
12525         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
12526         and profiling-related options.
12527         (Optimization Options): Move profile generation options and
12528         -fstack-protector and related options.
12529         (Instrumentation Options): New section incorporating moved options.
12530         (Code Generation Options): Move -finstrument-functions and
12531         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
12532
12533 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12534
12535         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
12536
12537 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12538
12539         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
12540
12541 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
12542
12543         * hash-table.h (hash_table::empty): Turn into an inline wrapper
12544         that checks whether the table is already empty.  Rename the
12545         original implementation to...
12546         (hash_table::empty_slot): ...this new private function.
12547
12548 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
12549
12550         PR diagnostic/68899
12551         * diagnostic-show-locus.c (layout::print_source_line): Move x
12552         offset of line until after call to
12553         get_line_width_without_trailing_whitespace.
12554
12555 2016-01-15  Jeff Law  <law@redhat.com>
12556
12557         PR tree-optimization/69270
12558         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
12559         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
12560         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
12561         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
12562         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
12563         ssa_name_has_boolean_range and constant_boolean_node.
12564
12565 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
12566
12567         PR rtl-optimization/69030
12568         * lra-spills.c (remove_pseudos): Check nrefs and make the function
12569         returning bool.
12570         (spill_pseudos): Delete debug insn for dead pseudo.
12571         (lra_spill): Initiate spill_hard_reg and slots memory separately.
12572
12573 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
12574
12575         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
12576         New.
12577         (TYPES_UNOPUS): Likewise.
12578         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
12579         builtin type, from UNOP to UNOPUS.
12580         (lbtruncuv4sf): Likewise.
12581         (lbtruncuv2df): Likewise.
12582         (lrounduv2sf): Likewise.
12583         (lrounduv4sf): Likewise.
12584         (lrounduv2df): Likewise.
12585         (lroundusf): Likewise.
12586         (lroundusf): Likewise.
12587         (lceiluv2sf): Likewise.
12588         (lceiluv4sf): Likewise.
12589         (lceiluv2df): Likewise.
12590         (lceilusf): Likewise.
12591         (lceiludf): Likewise.
12592         (lflooruv2sf): Likewise.
12593         (lflooruv4sf): Likewise.
12594         (lflooruv2df): Likewise.
12595         (lfloorusf): Likewise.
12596         (lfloorudf): Likewise.
12597         (lfrintnuv2sf): Likewise.
12598         (lfrintnuv4sf): Likewise.
12599         (lfrintnuv2df): Likewise.
12600         (lfrintnusf): Likewise.
12601         (lfrintnudf): Likewise.
12602         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
12603         conversion.
12604         (vcvtq_u32_f32): Likewise.
12605         (vcvtq_u64_f64): Likewise.
12606         (vcvta_u32_f32): Likewise.
12607         (vcvtaq_u32_f32): Likewise.
12608         (vcvtaq_u64_f64): Likewise.
12609         (vcvtm_u32_f32): Likewise.
12610         (vcvtmq_u32_f32): Likewise.
12611         (vcvtmq_u64_f64): Likewise.
12612         (vcvtn_u32_f32): Likwise.
12613         (vcvtnq_u32_f32): Likewise.
12614         (vcvtnq_u64_f64): Likewise.
12615         (vcvtp_u32_f32): Likewise.
12616         (vcvtpq_u32_f32): Likewise.
12617         (vcvtpq_u64_f64): Likewise.
12618         (vcvtmd_u64_f64): Likewise.
12619         (vcvtms_u32_f32): Likewise.
12620         (vcvtad_u64_f64): Likewise.
12621         (vcvtas_u32_f32): Likewise.
12622         (vcvtnd_u64_f64): Likewise.
12623         (vcvtns_u32_f32): Likewise.
12624         (vcvtpd_u64_f64): Likewise.
12625         (vcvtps_u32_f32): Likewise.
12626
12627 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12628
12629         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
12630         CSEL of zero_extended registers.
12631
12632 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12633
12634         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
12635         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
12636
12637 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12638
12639         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
12640         false when argument string is not found in the attributes table
12641         at all.
12642
12643 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
12644
12645         PR target/68609
12646         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
12647         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
12648         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
12649         precision estimate.
12650
12651 2016-01-15  Richard Biener  <rguenther@suse.de>
12652
12653         PR tree-optimization/66856
12654         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
12655         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
12656         (vect_create_new_slp_node): Increment stmt reference count.
12657         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
12658         an SLP tree before swapping operands.
12659         (vect_build_slp_tree): Likewise.
12660         (destroy_bb_vec_info): Free stmt info after SLP instances.
12661         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
12662         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
12663         (STMT_VINFO_NUM_SLP_USES): New macro.
12664
12665 2016-01-15  Richard Biener  <rguenther@suse.de>
12666
12667         PR debug/69137
12668         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
12669         (add_linkage_name): ... here.
12670         (gen_typedef_die): Use add_linkage_name_raw instead of
12671         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
12672         if necessary.
12673
12674 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
12675
12676         * gimplify.c (oacc_default_clause): Decode reference and pointer
12677         types for both kernels and parallel regions.
12678
12679 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12680
12681         PR middle-end/69246
12682         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
12683
12684 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12685
12686         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
12687         (convert_scalars_to_vector): Likewise.
12688
12689 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
12690
12691         * doc/extend.texi (Type Traits): Fix grammar.
12692
12693 2016-01-15  Martin Jambor  <mjambor@suse.cz>
12694
12695         * tree-inline.c (remap_decl): Use existing dclarations if
12696         remapping a type and prevent_decl_creation_for_types.
12697         (replace_locals_stmt): Do an initial remapping of non-VLA typed
12698         decls first.  Do real remapping with
12699         prevent_decl_creation_for_types set.
12700         * tree-inline.h (copy_body_data): New field
12701         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
12702         padding.
12703
12704 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12705
12706         * config/s390/s390.opt (mmvcle): More verbose help text.
12707
12708 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12709
12710         * config/s390/s390.opt: Add period to -mzvector option text.
12711
12712 2016-01-15  Richard Biener  <rguenther@suse.de>
12713
12714         PR tree-optimization/68961
12715         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
12716         of invariants in stores again.
12717
12718 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
12719
12720         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
12721
12722 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12723
12724         * config/i386/i386.c (ix86_expand_branch): Don't split
12725         DI mode xor instruction to SI mode.
12726
12727 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12728
12729         PR ipa/68148
12730         * ipa-icf.c (sem_function::merge): Virtual functions may become
12731         reachable even if they address is not taken and there are no
12732         idrect calls.
12733
12734 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12735
12736         * lto-streamer-out.c (subtract_estimated_size): New function.
12737         (get_symbol_initial_value): Use it.
12738
12739 2016-01-15  Christian Bruel  <christian.bruel@st.com>
12740
12741         PR target/65837
12742         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
12743         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
12744         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
12745         use add_builtin_function_ext_scope instead of add_builtin_function.
12746         (neon_set_p, neon_crypto_set_p): Remove.
12747         (arm_init_builtins): Always call arm_init_neon_builtins and
12748         arm_init_crypto_builtins.
12749         (arm_expand_builtin): Check that builtins are allowed for the arch.
12750         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
12751         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
12752         arm_init_neon_builtins call.
12753
12754 2016-01-15  Richard Biener  <rguenther@suse.de>
12755
12756         PR tree-optimization/69117
12757         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
12758         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
12759         of the leader conservatively.
12760         (free_scc_vn): Restore original SSA name infos.
12761
12762 2016-01-14  Jeff Law  <law@redhat.com>
12763
12764         PR tree-optimization/69270
12765         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
12766         single bit of precision, verify it's also unsigned.
12767         (record_edge_info): Use constant_boolean_node rather than fold_convert
12768         to convert boolean_true/boolean_false to the right type.
12769
12770 2016-01-14  Richard Henderson  <rth@redhat.com>
12771
12772         PR rtl-opt/69014
12773         * loop-doloop.c (record_reg_sets): New.
12774         (doloop_optimize): Reject the transform if the sequence
12775         clobbers registers live at the end of the loop block.
12776         (doloop_optimize_loops): Enable df_live if needed.
12777
12778 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
12779
12780         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
12781         * config/rs6000/rs6000.c: Likewise.
12782         * config/rs6000/rs6000.h: Likewise.
12783         * config/rs6000/rs6000.md: Likewise.
12784         * doc/extend.texi: Likewsie.
12785
12786 2016-01-14  Jeff Law  <law@redhat.com>
12787
12788         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
12789         typo.
12790
12791 2016-01-14  Richard Henderson  <rth@redhat.com>
12792
12793         PR c/69272
12794         PR tree-opt/68964
12795         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
12796         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
12797         instead of builtin_decl_declared_p to test for declaration.
12798
12799 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
12800
12801         * doc/loop.texi (Loop Analysis and Representation): Document
12802         loop_depth function.
12803
12804 2016-01-14  Tom de Vries  <tom@codesourcery.com>
12805
12806         PR tree-optimization/68773
12807         * omp-low.c (expand_omp_target): Don't set force_output.
12808         * varpool.c (varpool_node::get_create): Same.
12809         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
12810         offload_funcs with force_output.
12811
12812 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12813
12814         PR debug/69244
12815         * lra-eliminations.c (move_plus_up): Don't change anything if either
12816         the outer or inner subreg mode is not MODE_INT.
12817         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
12818         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
12819
12820 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12821
12822         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
12823         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
12824         reduc_uplus_@var{m}): Remove.
12825         * expr.c (expand_expr_real_2): Remove expansion path for
12826         reduc_[us](min|max|plus) optabs.
12827         * optabs-tree.c (scalar_reduc_to_vector): Remove.
12828         * optabs-tree.h (scalar_reduc_to_vector): Remove.
12829         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
12830         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
12831         * tree-vect-loop.c (vectorizable_reduction): Remove test for
12832         reduc_[us](min|max|plus) optabs.
12833
12834 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12835
12836         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
12837         (reduc_plus_scal_v2sf): New.
12838         (reduc_smax_v2sf): Rename to...
12839         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
12840         (reduc_smin_v2sf): Rename to...
12841         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
12842
12843 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
12844
12845         * alias.c (compare_base_symbol_refs): New function.
12846         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
12847         it.
12848
12849 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12850
12851         PR middle-end/68146
12852         PR tree-optimization/69155
12853         * tree-complex.c: Include cfganal.h.
12854         (phis_to_revisit): New variable.
12855         (extract_component): Add phiarg_p argument.  Assert that returned
12856         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
12857         (update_phi_components): Partly rewrite to use loop over real/imag
12858         components instead of code duplication.  If extract_component returns
12859         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12860         create_tmp_reg into the PHI node instead, and mention the phi triplet
12861         in phis_to_revisit.
12862         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
12863         in phis_to_revisit at the end.
12864
12865 2016-01-14  Richard Biener  <rguenther@suse.de>
12866
12867         PR tree-optimization/68060
12868         * tree-vect-loop.c (vect_is_simple_reduction): Check the
12869         outer loop reduction is only used in the inner loop before
12870         detecting a double reduction.
12871
12872 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12873
12874         PR target/68269
12875         * combine.c (expand_field_assignment): Punt if compute_mode is
12876         unsupported scalar mode.
12877
12878 2016-01-14  Richard Biener  <rguenther@suse.de>
12879
12880         PR tree-optimization/66856
12881         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
12882         SLP node only if it built successfully.
12883         (vect_analyze_slp_instance): Adjust.
12884
12885 2016-01-14  Jeff Law  <law@redhat.com>
12886
12887         PR tree-optimization/69270
12888         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
12889         (record_edge_info): Use it.  Convert boolean_{true,false}_node
12890         to the type of op0.
12891
12892 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
12893
12894         PR ipa/66487
12895         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
12896         use block_ultimate_origin
12897         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
12898
12899 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12900
12901         * doc/invoke.texi (Submodel Options): Rename section to
12902         "Machine-Dependent Options" to better reflect its content.
12903         Rewrite introductory text to remove archaic CPU names.
12904         Update references.
12905
12906 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12907
12908         * doc/invoke.texi (Code Gen Options): Move section up in file,
12909         before target-specific options.  Update menu and option summary
12910         to reflect the new section ordering.
12911
12912 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12913
12914         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
12915         (C++ Dialect Options): Add cross-reference to -std option.
12916         * doc/standards.texi (C++ Language): Document C++14 support.
12917
12918 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
12919
12920         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
12921         for pack/unpack functions for __ibm128.
12922         (PACK_IF): Likewise.
12923         (UNPACK_IF): Likewise.
12924
12925         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
12926         support for __ibm128 pack/unpack functions.
12927         (rs6000_invalid_builtin): Likewise.
12928         (rs6000_init_builtins): Likewise.
12929         (rs6000_opt_masks): Likewise.
12930
12931         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
12932         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
12933         functions
12934         (RS6000_BTM_COMMON): Likewise.
12935
12936         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
12937         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
12938         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
12939         128-bit floating point.  Add support for the double values to be
12940         in Altivec registers for TF/IF packing and unpacking, but restrict
12941         TD packing sub-fields to be FPR registers.  Don't allow overlapped
12942         register support for packing.  Allow pack inputs to be memory
12943         locations.  Don't build generator functions for unpack<mode>_dm
12944         and unpack<mode>_nodm.
12945         (unpack<mode>_dm): Likewise.
12946         (unpack<mode>_nodm): Likewise.
12947         (pack<mode>): Likewise.
12948
12949         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
12950         built-in functions to pack/unpack explicit __ibm128 values.
12951         (__builtin_unpack_ibm128): Likewise.
12952
12953         * doc/extend.texi (PowerPC Built-in Functions): Document
12954         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
12955
12956 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
12957
12958         PR c/66208
12959         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
12960         Add new arg loc and pass it down as context.
12961         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
12962         to the location to use for the warning.
12963         (check_function_arguments): New arg loc.  All callers changed.  Pass
12964         it to check_function_nonnull.
12965         * c-common.h (check_function_arguments): Adjust declaration.
12966
12967 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
12968
12969         PR tree-optimization/69156
12970         * gimple.c (validate_type): Removed.
12971         (gimple_builtin_call_types_compatible_p): Use
12972         useless_type_conversion_p instead of validate_type.
12973         * value-prof.c (gimple_stringop_fixed_value): Fold
12974         icall_size to correct type.
12975
12976 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12977
12978         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
12979         effects.
12980
12981 2016-01-13  Richard Henderson  <rth@redhat.com>
12982
12983         PR tree-opt/68964
12984         * target.def (builtin_tm_load, builtin_tm_store): Remove.
12985         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
12986         (ix86_builtin_tm_store): Remove.
12987         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12988         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12989         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12990         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12991         * doc/tm.texi: Rebuild.
12992
12993         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
12994         (BUILT_IN_TM_MEMCPY_RTWN): New.
12995         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
12996         fallback from vector to integer helpers.
12997         (build_tm_load): Handle vector types directly, instead of
12998         via target hook.
12999         (build_tm_store): Likewise.
13000         (expand_assign_tm): Prepare for register types not handled by
13001         the above.  Copy them to memory and use memcpy.
13002         * tree.c (tm_define_builtin): New.
13003         (find_tm_vector_type): New.
13004         (build_tm_vector_builtins): New.
13005         (build_common_builtin_nodes): Call it.
13006
13007 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
13008
13009         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
13010         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
13011
13012 2016-01-13  Tom de Vries  <tom@codesourcery.com>
13013
13014         PR tree-optimization/69169
13015         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
13016         handled_struct_type param.
13017         (create_variable_info_for, intra_create_variable_infos): Call
13018         create_variable_info_for_1 with extra arg.
13019
13020 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
13021
13022         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
13023         and "armv8.1-a+crc" entries.
13024
13025 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
13026
13027         PR target/69228
13028         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
13029         Change first operand predicate from register_or_constm1_operand
13030         to register_operand.
13031         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
13032         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
13033         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
13034         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
13035         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
13036         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
13037         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
13038         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
13039         comparison with constm1_rtx from vec_prefetch_gen part.
13040
13041 2016-01-13  Richard Biener  <rguenther@suse.de>
13042
13043         PR tree-optimization/69013
13044         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
13045         Exchange assert for a test.
13046
13047 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
13048
13049         PR target/69247
13050         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
13051
13052 2016-01-13  Richard Biener  <rguenther@suse.de>
13053
13054         PR tree-optimization/69242
13055         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
13056         assert with a check.
13057
13058 2016-01-13  Richard Biener  <rguenther@suse.de>
13059
13060         PR tree-optimization/69186
13061         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
13062         Properly guard vect_update_misalignment_for_peel call.
13063
13064 2016-01-12  Jeff Law  <law@redhat.com>
13065
13066         PR tree-optimization/pr67755
13067         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
13068         "need_profile_correction".
13069         (thread_block_1): Initialize new field to false by default.  If we
13070         have multiple thread paths through a common joiner to different
13071         final targets, then set new field to true.
13072         (compute_path_counts): Only do count adjustment when it's really
13073         needed.
13074
13075 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13076
13077         * doc/invoke.texi (Spec Files): Move section down in file, past
13078         all command-line option descriptions.
13079
13080 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
13081
13082         PR middle-end/54809
13083         * doc/gty.texi: Remove documentation of mark_hook.
13084         * gengtype.c (struct write_types_data): Remove code to support
13085         mark_hook attribute.
13086         (walk_type): Likewise.
13087         (write_func_for_structure): Likewise.
13088
13089 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13090
13091         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
13092         Directory Options, and -specs= to Overall Options.
13093         (Overall Options): Adjust similarly.  Reorder to group related
13094         options together.  Make -specs= cross-reference the spec file details.
13095         (Directory Options): Adjust similarly.
13096
13097 2016-01-12  Jeff Law  <law@redhat.com>
13098
13099         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
13100
13101 2016-01-12  Olivier Hainque  <hainque@adacore.com>
13102
13103         * gcc.c (spec_undefvar_allowed): New global.
13104         (process_command): Set to true when running for --version or --help,
13105         alone or together.
13106         (getenv_spec_function): When the variable is not defined, use the
13107         variable name as the variable value if we're allowed not to issue
13108         a fatal error.
13109
13110 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
13111
13112         PR tree-optimization/68911
13113         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
13114         information computed for expression "init + nit * step".
13115
13116 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
13117
13118         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
13119         about name of GCC executable.  Remove deleted node from menu.
13120         (Directory Options) <-B>: Remove cross-reference to deleted node.
13121         (Target Options): Delete section.
13122
13123 2016-01-12  Christian Bruel  <christian.bruel@st.com>
13124
13125         PR target/69180
13126         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
13127         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
13128
13129 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
13130
13131         PR target/69198
13132         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
13133         aligned_mem is properly set for AVX512-VL floating point masked
13134         stores.
13135
13136         PR target/69175
13137         * ifcvt.c (cond_exec_process_if_block): When removing the last
13138         insn from then_bb, remove also any possible barriers that follow it.
13139
13140 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
13141
13142         PR target/68456
13143         PR target/69226
13144         * config/i386/iamcu.h (SIZE_TYPE): New macro.
13145         (PTRDIFF_TYPE): Likewise.
13146         (WCHAR_TYPE): Likewise.
13147         (WCHAR_TYPE_SIZE): Likewise.
13148         (STDINT_LONG32): Likewise.
13149
13150 2016-01-12  Richard Biener  <rguenther@suse.de>
13151
13152         PR tree-optimization/69053
13153         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
13154         convert initial value for cond reductions.
13155
13156 2016-01-12  Richard Biener  <rguenther@suse.de>
13157
13158         PR tree-optimization/69007
13159         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
13160         widen_sum after dot_prod and sad.
13161
13162 2016-01-12  Richard Biener  <rguenther@suse.de>
13163
13164         PR tree-optimization/69168
13165         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
13166         pattern stmt SLP type.
13167         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
13168         end up unused so cope with that case.
13169
13170 2016-01-12  Richard Biener  <rguenther@suse.de>
13171
13172         PR tree-optimization/69157
13173         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
13174         stmts def type only during analyze phase.
13175         (vectorizable_call): Likewise.
13176         (vectorizable_simd_clone_call): Likewise.
13177         (vectorizable_conversion): Likewise.
13178         (vectorizable_assignment): Likewise.
13179         (vectorizable_shift): Likewise.
13180         (vectorizable_operation): Likewise.
13181         (vectorizable_store): Likewise.
13182         (vectorizable_load): Likewise.
13183
13184 2016-01-12  Richard Biener  <rguenther@suse.de>
13185
13186         PR tree-optimization/69174
13187         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
13188         space.
13189         (vectorizable_load): Properly compute the number of loads needed
13190         for permuted strided SLP loads and do not spuriously assign
13191         to SLP_TREE_VEC_STMTS.
13192
13193 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
13194
13195         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
13196         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
13197         (MD_EXEC_PREFIX): Remove.
13198         (MD_STARTFILE_PREFIX) Removee.
13199         (FILE_NAME_ABSOLUTE_P): Remove.
13200         (CPP_SPEC): Do not read macros from sys/version.h.
13201         (LINK_COMMAND_SPEC): Remove.
13202         (LOCAL_INCLUDE_DIR): Remove.
13203         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
13204         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
13205         (POST_LINK_SPEC): Define to invoke stubify after linker
13206         (LIBSTDCXX): Remove define
13207         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
13208         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
13209         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
13210         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
13211         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
13212         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
13213         (i386_djgpp_asm_named_section): Add propotype of new procedure
13214
13215         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
13216         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
13217         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
13218         in config/i386/djgpp.h).
13219         (STANDARD_STARTFILE_PREFIX_2): Define identical to
13220         STANDARD_STARTFILE_PREFIX_1.
13221         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
13222         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
13223         installation errors.
13224         (MAX_OFILE_ALIGNMENT): Define to 128.
13225         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
13226
13227         * config/i386/djgpp.c: New file. Add implementation of
13228         i386_djgpp_asm_named_section.
13229
13230         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
13231
13232         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
13233         Add rule for building djgpp.o.
13234
13235 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13236
13237         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
13238         (rtx_is_swappable_p): Reductions are swappable.
13239         (insn_is_swappable_p): V2DF reductions are swappable.
13240
13241 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
13242
13243         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
13244         reloads for other unsupported memory operands.
13245
13246 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
13247             Jim Wilson  <jim.wilson@linaro.org>
13248
13249         PR target/69194
13250         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
13251         copy_to_mode_reg instead of force_reg.
13252
13253 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13254
13255         PR target/69225
13256         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
13257         TARGET_80387 is true.
13258
13259 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
13260
13261         PR target/69071
13262         * lra-eliminations.c (move_plus_up): Only move plus up
13263         if subreg of the constant can be simplified into constant
13264         and use the simplified subreg of the constant instead of
13265         the original constant.
13266
13267         * fold-const.c (fold_convertible_p): Don't return true
13268         for conversion of VECTOR_TYPE to same sized integral type.
13269         (fold_convert_loc): Fix up formatting.  Fold conversion of
13270         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
13271         instead of NOP_EXPR.
13272
13273         PR tree-optimization/69214
13274         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
13275         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
13276         Formatting fix.
13277
13278         PR tree-optimization/69207
13279         * tree-vect-slp.c (vect_get_constant_vectors): For
13280         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
13281         fold_convertible_p to vector_type's element type, and always
13282         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
13283
13284 2016-01-11  Richard Biener  <rguenther@suse.de>
13285
13286         PR tree-optimization/69173
13287         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
13288         fixup the cycle if all stmts are in a pattern.
13289
13290 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
13291
13292         PR middle-end/68999
13293         * alias.c (base_alias_check): Move check for addresses with
13294         alignment ANDs before the call for compare_base_decls.
13295         (memrefs_conflict_p): Return -1 for different decls
13296         that went through alignment adjustments.
13297
13298 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13299
13300         PR rtl-optimization/68796
13301         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
13302         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
13303         and QImode comparisons against zero with CC_NZmode.
13304         * config/aarch64/iterators.md (short_mask): New mode_attr.
13305
13306 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13307
13308         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
13309         (<avx512>_store<mode>_mask): Likewise.
13310
13311 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
13312             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13313
13314         PR rtl-optimization/68841
13315         * ifcvt.c (struct noce_if_info): Add orig_x field.
13316         (bbs_ok_for_cmove_arith): Add to_rename parameter.
13317         Don't record conflicts on to_rename if it's present.
13318         Allow memory destinations in sets.
13319         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
13320         blocks, passing orig_x to the checks.
13321         (noce_process_if_block): Set if_info->orig_x appropriately.
13322
13323 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13324
13325         PR tree-optimization/69069
13326         * tree-parloops.c (create_parallel_loop): Add missing phi args.
13327
13328 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
13329
13330         PR rtl-optimization/68920
13331         * config/i386/i386.c (ix86_option_override_internal): Restrict number
13332         of conditional moves for  RTL if-conversion to 1 for
13333         TARGET_ONE_IF_CONV_INSN.
13334         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
13335         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
13336         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
13337         parameter to restirct number of conditional moves for
13338         RTL if-conversion.
13339         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
13340         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
13341         conditionl moves.
13342
13343 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
13344
13345         PR bootstrap/69123
13346         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
13347         onepart vars.  Fix typo in comment.  Fix reversed condition in
13348         unshare test.
13349         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
13350
13351         PR bootstrap/69123
13352         * var-tracking.c (dump_onepart_variable_differences): New.
13353         (dataflow_set_different): If a detailed dump is requested,
13354         delay early returns and dump differences between onepart
13355         variables present before and after, and added variables.
13356
13357 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13358
13359         PR target/69010
13360         * expr.c (expand_expr_real_1): For boolean vector constants
13361         with a scalar mode use const_scalar_mask_from_tree.
13362         (const_scalar_mask_from_tree): New.
13363         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
13364         assigned to a mask type to handle constants.
13365
13366 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13367
13368         PR ipa/69044
13369         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
13370         useless parameters if we cannot change function signature.
13371
13372 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13373
13374         PR ipa/66616
13375         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
13376         flag.
13377
13378 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13379
13380         PR tree-optimization/69109
13381         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
13382         latch with phi.
13383
13384 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13385
13386         PR tree-optimization/69108
13387         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
13388         res is not used in a phi.
13389
13390 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
13391
13392         PR 67425
13393         * common.opt (frandom-seed): Fix parameter name.
13394         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
13395
13396 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13397
13398         PR tree-optimization/69058
13399         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
13400         not supported.
13401
13402 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
13403
13404         * config/arc/arc.opt (mdiv-rem): Add period to the end.
13405         (mcode-density): Likewise.
13406
13407 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13408
13409         PR tree-optimization/69062
13410         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
13411         (parallelize_loops): Don't paralelize loop that has phi with address
13412         arg.
13413
13414 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13415
13416         PR tree-optimization/69039
13417         * tree-parloops.c (try_create_reduction_list): Only allow single exit
13418         phi for reduction.
13419
13420 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
13421
13422         PR middle-end/68743
13423         * match.pd: Require target has function_c99_misc before doing
13424         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
13425
13426 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
13427
13428         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
13429         use GMPINC.
13430         * configure: Regenerate.
13431
13432 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
13433
13434         PR middle-end/50865
13435         PR tree-optimization/69097
13436         * fold-const.h (expr_not_equal_to): New prototype.
13437         * fold-const.c: Include stringpool.h and tree-ssanames.h.
13438         (expr_not_equal_to): New function.
13439         * match.pd (X % -Y is the same as X % Y): Don't optimize
13440         unless X is known not to be equal to minimum or Y is known
13441         not to be equal to -1.
13442         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
13443         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
13444         (simplify_stmt_using_ranges): Adjust caller.
13445         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
13446         substitute_and_fold.
13447
13448 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
13449
13450         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
13451         w/o DECL_NAME.
13452
13453 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13454
13455         PR tree-optimization/69167
13456         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
13457         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
13458         ops[0] comparison.
13459         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
13460
13461 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13462             Richard Biener  <rguenther@suse.de>
13463
13464         PR tree-optimization/68707
13465         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
13466         instances that can be handled via vect_load_lanes.
13467
13468 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
13469
13470         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
13471         if we can't determine address equivalence.
13472         * alias.c (compare_base_decl): Update for changed return value of
13473         symtab_node::equal_address_to.
13474
13475 2016-01-08  Jason Merrill  <jason@redhat.com>
13476
13477         PR c++/68983
13478         PR c++/67557
13479         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
13480         * expr.c (store_field): Not here.
13481         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
13482         call with TREE_ADDRESSABLE type.
13483         * tree-cfg.c (verify_gimple_call): Adjust.
13484
13485 2016-01-08  Olivier Hainque  <hainque@adacore.com>
13486
13487         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
13488         libc_internal.
13489
13490 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13491
13492         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
13493         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
13494         (reduc_smin_v2sf): Rename to...
13495         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
13496         (reduc_splus_v2sf): Rename to...
13497         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
13498
13499 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13500
13501         PR tree-optimization/69162
13502         * gimplify.c (gimplify_va_arg_expr): Encode original type of
13503         valist argument in another argument.
13504         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
13505         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
13506         to determine the va_list type, build a MEM_REF instead of
13507         build_fold_indirect_ref.
13508
13509         PR tree-optimization/69172
13510         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
13511         gimple_build.
13512
13513 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13514
13515         PR tree-optimization/67781
13516         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
13517         and cmpnop in two steps: first the ones not accessed in original
13518         gimple expression in a endian independent way and then the ones not
13519         accessed in the final result in an endian-specific way.
13520
13521 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13522
13523         PR tree-optimization/69083
13524         * tree-vect-slp.c (vect_get_constant_vectors): For
13525         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
13526         element type.  If op is fold_convertible_p to vector_type's element
13527         type, use NOP_EXPR instead of VCE.
13528
13529 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
13530
13531         PR rtl-optimization/67778
13532         PR rtl-optimization/68634
13533         PR rtl-optimization/68909
13534         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
13535         block from the stack until done with it.  Remove a superfluous
13536         bitmap set.  Remove a superfluous bitmap test.
13537
13538 2016-01-07  Martin Sebor  <msebor@redhat.com>
13539
13540         PR c/68966
13541         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
13542         constraint on the type of arguments.
13543
13544 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
13545
13546         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
13547         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
13548         unaligned_access on the gcc_options set.
13549         * config/arm/arm.c (arm_option_override_internal): Use
13550         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
13551
13552 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13553
13554         PR target/69140
13555         * config/i386/i386.c (ix86_frame_pointer_required): Enable
13556         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
13557
13558 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13559
13560         Revert
13561         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13562
13563         PR target/69140
13564         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13565         depending on frame_pointer_needed before remaining integer and SSE
13566         registers are saved.
13567
13568 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13569
13570         PR 1078
13571         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
13572
13573 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13574
13575         PR target/69171
13576         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
13577         Use the "xBm" constraint.
13578         (float<sseintvecmodelower><mode>2<mask_name><round_name):
13579         Likewise.
13580         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
13581         (sse_cvtsi2ssq<round_name>): Likewise.
13582         (sse_cvtss2si<round_name>): Likewise.
13583         (sse_cvtss2siq<round_name>): Likewise.
13584         (sse2_cvtsi2sdq<round_name>): Likewise.
13585         (sse2_cvtsd2si<round_name>): Likewise.
13586         (sse2_cvtsd2siq<round_name>): Likewise.
13587         * config/i386/subst.md (round_nimm_scalar_predicate): New
13588         predicate.
13589
13590 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
13591
13592         PR middle-end/67639
13593         * varasm.c (make_decl_rtl): Mark invalid register vars as
13594         DECL_EXTERNAL.
13595
13596         PR rtl-optimization/66206
13597         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
13598         All callers changed.
13599
13600 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
13601
13602         PR tree-optimization/69141
13603         * tree-ssa-pre.c: Include langhooks.h.
13604         (eliminate_dom_walker::before_dom_children): Use
13605         lang_hooks.decl_printable_name instead of
13606         cgraph_node::get ()->name ().
13607
13608         PR middle-end/68960
13609         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
13610         it and DECL_ALIGN too.
13611
13612 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
13613
13614         * config/mips/mips-ftypes.def: Sort to lexicographical order.
13615
13616 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13617
13618         PR target/69140
13619         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13620         depending on frame_pointer_needed before remaining integer and SSE
13621         registers are saved.
13622
13623 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13624
13625         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
13626         mode iterator with VSX_M2.
13627         (*p9_vecstore_<mode>): Likewise.
13628         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
13629         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
13630         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
13631         (define_split for VSX_LE128 stores): Likewise.
13632         (define_peephole2 for TImode LE swaps): Likewise.
13633         (define_split for VSX_LE128 post-reload stores): Likewise.
13634
13635 2016-01-06  Marek Polacek  <polacek@redhat.com>
13636
13637         PR sanitizer/69099
13638         * convert.c (convert_to_integer_1): Adjust call to
13639         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
13640         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
13641         EXPR instead of ARG.
13642         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
13643
13644 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13645
13646         PR 1078
13647         * doc/extend.texi (RL78 Variable Attributes): New section.
13648
13649 2016-01-05  Marek Polacek  <polacek@redhat.com>
13650
13651         PR c/69104
13652         * builtins.c (get_memmodel): Use expansion point location rather than
13653         the input location.  Call warning_at rather than warning.
13654         (expand_builtin_atomic_compare_exchange): Likewise.
13655         (expand_builtin_atomic_load): Likewise.
13656         (expand_builtin_atomic_store): Likewise.
13657         (expand_builtin_atomic_clear): Likewise.
13658
13659 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13660
13661         PR target/68991
13662         * config/i386/i386.c (ix86_expand_vector_logical_operator):
13663         Replace nonimmediate_operand with vector_operand.
13664         * config/i386/predicates.md (vector_operand): New predicate.
13665         (general_vector_operand): Replace nonimmediate_operand with
13666         vector_operand.
13667         * config/i386/sse.md: Replace nonimmediate_operand with
13668         vector_operand and m constraint with Bm constraint on SSE
13669         patterns with 16-byte memory operand.
13670         * config/i386/subst.md (round_nimm_predicate): Replace
13671         nonimmediate_operand with vector_operand.
13672         (round_saeonly_nimm_predicate): Likewise.
13673         (round_saeonly_nimm_scalar_predicate): New.
13674
13675 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13676
13677         PR target/68991
13678         * config/i386/constraints.md (Bm): New constraint.
13679         * config/i386/predicates.md (vector_memory_operand): New
13680         predicate.
13681         * config/i386/sse.md: Replace xm with xBm in plusminus and
13682         any_logic patterns.
13683
13684 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13685
13686         PR 1078
13687         * doc/extend.texi (V850 Function Attributes): New section.
13688         (V850 Variable Attributes): New section.
13689
13690 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13691
13692         PR 1078
13693         * doc/extend.texi (MicroBlaze Function Attributes): Document
13694         interrupt_handler and fast_interrupt attributes.
13695
13696 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
13697
13698         PR other/60465
13699         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
13700         for local symbolic operands.
13701         * config/ia64/predicates.md (local_symbolic_operand64): New
13702         predicate.
13703
13704 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13705
13706         PR rtl-optimization/68651
13707         * combine.c (combine_simplify_rtx): Canonicalize x + x into
13708         x << 1.
13709
13710 2016-01-05  Nathan Sidwell  <nathan@acm.org>
13711
13712         * alias.c (compare_base_decls): Use symtab_node::get.
13713
13714 2016-01-05  Nick Clifton  <nickc@redhat.com>
13715
13716         PR target/68770
13717         * ira-costs.c (copy_cost): Initialise the t_icode field of the
13718         secondary_reload_info structure.
13719
13720         PR target/66655
13721         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
13722         decls if weak support is available.
13723
13724 2016-01-04  Martin Sebor  <msebor@redhat.com>
13725
13726         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
13727
13728 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13729
13730         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
13731         OPTION_MASK_P9_DFORM.
13732
13733         * config/rs6000/constraints.md (wo constraint): New constraint for
13734         ISA 3.0 (power9).
13735
13736         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
13737         for wo constraint.
13738         (rs6000_init_hard_regno_mode_ok): Likewise.
13739
13740         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
13741         wo constraint.
13742
13743         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
13744         expanders not to have constraints.  Add support for ISA 3.0 xxperm
13745         instruction.  Add support for fusing xxlor with xxperm.
13746         (altivec_vperm_<mode>_internal): Likewise.
13747         (altivec_vperm_v8hiv16qi): Likewise.
13748         (altivec_vperm_<mode>v16q): Likewise.
13749         (altivec_vperm_<mode>_uns): Likewise.
13750         (vperm_v8hiv4si): Likewise.
13751         (vperm_v16qiv8hi): Likewise.
13752
13753         * doc/md.texi (RS/6000 constraints): Document wo constraint.
13754
13755 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
13756
13757         Update copyright years.
13758
13759         * gcc.c (process_command): Update copyright notice dates.
13760         * gcov-dump.c (print_version): Ditto.
13761         * gcov.c (print_version): Ditto.
13762         * gcov-tool.c (print_version): Ditto.
13763         * gengtype.c (create_file): Ditto.
13764         * doc/cpp.texi: Bump @copying's copyright year.
13765         * doc/cppinternals.texi: Ditto.
13766         * doc/gcc.texi: Ditto.
13767         * doc/gccint.texi: Ditto.
13768         * doc/gcov.texi: Ditto.
13769         * doc/install.texi: Ditto.
13770         * doc/invoke.texi: Ditto.
13771
13772 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13773
13774         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
13775         modes larger than TImode as TImode if NEON is not enabled.
13776
13777 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13778
13779         PR target/69100
13780         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
13781         mode for %f0-%f31 only if TARGET_FPU.
13782
13783 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13784
13785         PR target/69072
13786         * config/sparc/sparc.c (scan_record_type): Take into account subfields
13787         to compute the PACKED_P predicate.
13788         (function_arg_record_value): Minor tweaks.
13789
13790 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13791
13792         * doc/install.texi (--with-multilib-list): Describe the meaning of the
13793         option for arm*-*-* targets.
13794
13795 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
13796
13797         * doc/extend.texi (Common Function Attributes): Move docs for
13798         MSP430-specific attributes to....
13799         (MSP430 Function Attributes): ...here.  Delete the redundant
13800         entries and copy-edit the remaining text.
13801         (MSP430 Variable Attributes): Use uniform format for index
13802         entries and add a cross-reference to the corresponding function
13803         attribute docs.
13804
13805 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
13806
13807         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
13808         -finite-math typo.
13809         (x86 Options): Likewise.
13810
13811 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13812
13813         PR 1078
13814
13815         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
13816         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
13817         to corresponding attribute.
13818
13819 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13820
13821         * doc/extend.texi (Common Function Attributes) <noplt>: Move
13822         to correct alphabetization of table.  Copy-edit and correct
13823         markup.
13824         <stack_protect>: Likewise.
13825         <target_clones>: Likewise.
13826         <simd>: Likewise.
13827         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
13828         Correct punctuation.
13829         (Code Gen Options) <-fno-plt>: Copy-edit.
13830
13831 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13832
13833         PR target/68917
13834         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
13835         SI values.  Explicitly convert SI to DI and vice-versa.
13836
13837 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
13838
13839         PR tree-optimization/69070
13840         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
13841         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
13842
13843         PR sanitizer/69055
13844         * ubsan.c (ubsan_instrument_float_cast): Call
13845         initialize_sanitizer_builtins.
13846
13847         PR target/69015
13848         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
13849 \f
13850 Copyright (C) 2016 Free Software Foundation, Inc.
13851
13852 Copying and distribution of this file, with or without modification,
13853 are permitted in any medium without royalty provided the copyright
13854 notice and this notice are preserved.