gcc/ChangeLog

   1 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
   2
   3         * predict.h (force_edge_cold): Declare.
   4         * predict.c (force_edge_cold): New function.
   5         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
   6         updating.
   7         (canonicalize_loop_induction_variables): Fix formating.
   8
   9 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
  10
  11         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
  12         (visium_expand_copysign): Use gen_int_mode directly.
  13         (visium_compute_frame_size): Minor tweaks.
  14
  15 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
  16
  17         * tree-vect-loop.c (vect_analyze_loop_2): Use
  18         likely_max_stmt_executions_int.
  19
  20 2016-05-30  Tom de Vries  <tom@codesourcery.com>
  21
  22         PR tree-optimization/69067
  23         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
  24
  25 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
  26
  27         PR target/71245
  28         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
  29         New peepholes to remove unneeded fild/fistp pairs.
  30         (define_peephole2 atomic_loaddi_fpu): Ditto.
  31
  32 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
  33
  34         * predict.c (maybe_hot_frequency_p): Avoid division.
  35
  36 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
  37
  38         * doc/install.texi: Use https for shop.fsf.org.
  39
  40 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
  41
  42         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
  43         likely_max_stmt_executions_int.
  44
  45 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
  46
  47         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
  48         likely_max_stmt_executions_int.
  49
  50 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
  51
  52         * profile.c (compute_branch_probabilities): Do not report hitrates
  53         here.
  54         (branch_prob): Report hitrates here.
  55         * predict.c (gimple_predict_edge): Do not assert profile status;
  56         fix formatting issues.
  57
  58 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
  59
  60         * predict.c (edge_predicted_by_p): New function.
  61         (predict_paths_for_bb): Do not put multiple predictions of the same type
  62         on one edge.
  63
  64 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
  65
  66         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
  67         commit.
  68
  69 2016-05-28  Alan Modra  <amodra@gmail.com>
  70
  71         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
  72
  73 2016-05-28  Alan Modra  <amodra@gmail.com>
  74
  75         PR rtl-optimization/71275
  76         * ira.c (ira): Free dominance info.
  77
  78 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
  79
  80         * doc/sourcebuild.texi: New address for upstream Go repository.
  81
  82 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
  83
  84         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
  85         (TARGET_ARM_V7M): Likewise.
  86
  87 2016-05-26  Jeff Law  <law@redhat.com>
  88
  89         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
  90         (thread_across_edge): Remove calls to find_jump_threads_backwards.
  91         * passes.def: Add jump threading passes before DOM/VRP.
  92         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
  93         argument to a basic block from an edge.  Remove tests which are
  94         handled elsewhere.
  95         (pass_data_thread_jumps, class pass_thread_jumps): New.
  96         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
  97         (make_pass_thread_jumps): Likewise.
  98         * tree-pass.h (make_pass_thread_jumps): Declare.
  99
 100 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
 101
 102         * config/visium/visium-protos.h (split_double_move): Rename into...
 103         (visium_split_double_move): ...this.
 104         (visium_split_double_add): Declare.
 105         * config/visium/visium.c (split_double_move): Rename into...
 106         (visium_split_double_move): ...this.
 107         (visium_split_double_add): New function.
 108         (visium_expand_copysign): Renumber operands for consistency.
 109         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
 110         (DFmode move splitter): Likewise.
 111         (*addi3_insn): Split by means of visium_split_double_add.
 112         (*adddi3_insn_flags): Delete.
 113         (*plus_plus_sltu<subst_arith>): New insn.
 114         (*subdi3_insn): Split by means of visium_split_double_add.
 115         (subdi3_insn_flags): Delete.
 116         (*minus_minus_sltu<subst_arith>): New insn.
 117         (*negdi2_insn): Split by means of visium_split_double_add.
 118         (*negdi2_insn_flags): Delete.
 119
 120 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
 121
 122         * configure.ac: Treat a --with-headers option without argument
 123         the same as the default (i.e. consult sys-include directory).
 124         * configure: Regenerate.
 125
 126 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 127
 128         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
 129         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
 130         prototype.
 131         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
 132         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
 133
 134 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 135
 136         PR target/63596
 137         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
 138         tree-stdarg analysis results.
 139         (aarch64_setup_incoming_varargs): Likewise.
 140
 141 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
 142
 143         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
 144         va_list_gpr_counter_field and va_list_fpr_counter_field.
 145
 146 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
 147
 148         PR67609
 149         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
 150         * config/aarch64/aarch64.c
 151         (aarch64_cannot_change_mode_class): Remove function.
 152         * config/aarch64/aarch64-protos.h
 153         (aarch64_cannot_change_mode_class): Remove.
 154
 155 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
 156
 157         * cfgloop.c (record_niter_bound): Record likely upper bounds.
 158         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
 159         get_likely_max_loop_iterations_int): New.
 160         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
 161         any_likely_upper_bound.
 162         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
 163         Declare.
 164         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
 165         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
 166         upper bound.
 167         (unroll_loop_constant_iterations): Likewise.
 168         (unroll_loop_runtime_iterations): Likewise.
 169         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
 170         * lto-streamer-out.c (output_cfg): Likewise.
 171         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
 172         bounds.
 173         (canonicalize_loop_induction_variables): Dump likely upper bounds.
 174         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
 175         (likely_max_loop_iterations): New.
 176         (likely_max_loop_iterations_int): New.
 177         (likely_max_stmt_executions): New.
 178         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
 179         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
 180         likely_max_stmt_executions): Declare.
 181
 182 2016-05-27  Marek Polacek  <polacek@redhat.com>
 183
 184         PR middle-end/71308
 185         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
 186
 187 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 188
 189         * config/s390/s390.md (2x risbg splitters): Use
 190         reg_overlap_mentioned_p instead of rtx_equal_p.
 191
 192 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 193
 194         * combine.c (make_compound_operation): Take known zero bits into
 195         account when checking for possible zero_extend.
 196
 197 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 198
 199         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
 200         Use const_int_operand for operand 2 predicate.  Simplify expand code
 201         as a result.
 202
 203 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
 204
 205         PR middle-end/71279
 206         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
 207         into comparison.
 208
 209 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 210
 211         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
 212         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
 213         that returns CC_SESWPmode and CC_ZESWPmode.
 214         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
 215         and CC_SESWPmode.
 216         (aarch64_rtx_costs): Likewise.
 217
 218 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
 219
 220         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
 221         for ISA 3.0 min/max support.
 222         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
 223         conditional move support.
 224         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
 225         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
 226         available.
 227         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
 228         conditional moves where the comparison type is different from move
 229         type.
 230         (fp_minmax): New code iterator for smin/smax.
 231         (minmax): New code attributes for min/max.
 232         (SMINMAX): Likewise.
 233         (smax<mode>3): Combine min, max insns into one insn using the
 234         fp_minmax code iterator.  Add support for ISA 3.0 min/max
 235         instructions that don't need -ffast-math.
 236         (s<minmax><mode>3): Likewise.
 237         (smax<mode>3_vsx): Likewise.
 238         (smin<mode>3): Likewise.
 239         (s<minmax><mode>3_vsx): Likewise.
 240         (smin<mode>3_vsx): Likewise.
 241         (pre-VSX min/max splitters): Likewise.
 242         (s<minmax><mode>3_fpr): Likewise.
 243         (movsfcc): Rewrite floating point conditional moves to combine
 244         SFmode/DFmode into a single insn.
 245         (mov<mode>cc): Likewise.
 246         (movdfcc): Likewise.
 247         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
 248         SFDF2 iterators to handle all combinations.
 249         (fseldfsf4): Likewise.
 250         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
 251         (fseldfdf4): Likewise.
 252         (fselsfdf4): Likewise.
 253         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
 254         comparison instructions that set a 0/-1 mask, and use it for
 255         floating point conditional move via XXSEL.
 256         (fpmask<mode>): Likewise.
 257         (xxsel<mode>): Likewise.
 258         * config/rs6000/predicates.md (min_max_operator): Delete, no
 259         longer used.
 260         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
 261         instructions that generate a 0/-1 mask for use with XXSEL.
 262         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
 263         say whether floating point min/max is available, either through
 264         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
 265         (TARGET_MINMAX_DF): Likewise.
 266
 267 2016-05-27  Alan Modra  <amodra@gmail.com>
 268
 269         PR rtl-optimization/71275
 270         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
 271         for update_equiv_regs and combine_and_move_insns.
 272
 273 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
 274
 275         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
 276         if_then_else or cond RTXes to calculate attribute value.
 277         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
 278         <attr "length_immediate>: Ditto.
 279         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
 280         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
 281         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
 282         <attr "type">: Ditto.
 283         <attr "prefix_data16">: Ditto.
 284         <attr "prefix_extra">: Ditto.
 285         <attr "length_immediate">: Ditto.
 286         <attr "prefix">: Ditto.
 287         (vec_set<mode>_0) <attr "isa">: Ditto.
 288         <attr "prefix_extra">: Ditto.
 289         <attr "length_immediate">: Ditto.
 290         <attr "prefix">: Ditto.
 291         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
 292         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
 293         (sse2_storelpd) <attr "prefix_data16">: Ditto.
 294         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
 295         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
 296         <attr "length_immediate">: Ditto.
 297         <attr "prefix">: Ditto.
 298         (sse2_movsd) <attr "length_immediate">: Ditto.
 299         <attr "prefix">: Ditto.
 300         (vec_concatv2df)  <attr "isa">: Ditto.
 301         <attr "prefix">: Ditto.
 302         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
 303         (*vec_extractv2di_1) <attr "isa">: Ditto.
 304         <attr "type">: Ditto.
 305         <attr "length_immediate">: Ditto.
 306         <attr "prefix_rex">: Ditto.
 307         <attr "prefix_extra">: Ditto.
 308         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
 309         <attr "prefix_extra">: Ditto.
 310         <attr "length_immediate">: Ditto.
 311         (vec_concatv2di) <attr "isa">: Ditto.
 312         <attr "prefix_extra">: Ditto.
 313         <attr "length_immediate">: Ditto.
 314         <attr "prefix">: Ditto.
 315
 316 2016-05-26  Martin Liska  <mliska@suse.cz>
 317
 318         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
 319         function.
 320         (operator+): Likewise.
 321         (operator-): Likewise.
 322         (comp_cost::operator+=): Likewise.
 323         (comp_cost::operator-=): Likewise.
 324         (comp_cost::operator/=): Likewise.
 325         (comp_cost::operator*=): Likewise.
 326         (operator<): Likewise.
 327         (operator==): Likewise.
 328         (operator<=): Likewise.
 329         (new_cost): Remove.
 330         (infinite_cost_p): Likewise.
 331         (add_costs): Likewise.
 332         (sub_costs): Likewise.
 333         (compare_costs): Likewise.
 334         (set_group_iv_cost): Use the newly introduced functions.
 335         (get_address_cost): Likewise.
 336         (get_shiftadd_cost): Likewise.
 337         (force_expr_to_var_cost): Likewise.
 338         (split_address_cost): Likewise.
 339         (ptr_difference_cost): Likewise.
 340         (difference_cost): Likewise.
 341         (get_computation_cost_at): Likewise.
 342         (determine_group_iv_cost_generic): Likewise.
 343         (determine_group_iv_cost_address): Likewise.
 344         (determine_group_iv_cost_cond): Likewise.
 345         (autoinc_possible_for_pair): Likewise.
 346         (determine_group_iv_costs): Likewise.
 347         (cheaper_cost_pair): Likewise.
 348         (iv_ca_recount_cost): Likewise.
 349         (iv_ca_set_no_cp): Likewise.
 350         (iv_ca_set_cp): Likewise.
 351         (iv_ca_cost): Likewise.
 352         (iv_ca_new): Likewise.
 353         (iv_ca_dump): Likewise.
 354         (iv_ca_narrow): Likewise.
 355         (iv_ca_prune): Likewise.
 356         (iv_ca_replace): Likewise.
 357         (try_add_cand_for): Likewise.
 358         (try_improve_iv_set): Likewise.
 359         (find_optimal_iv_set): Likewise.
 360
 361 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
 362
 363         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
 364         that internal functions will clobber all caller-saved registers.
 365
 366 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 367
 368         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
 369         Return a better case_values_threshold when optimizing.
 370
 371 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
 372
 373         * config/aarch64/aarch64-simd.md (aarch64_combinez):
 374         Add ? to integer variant.
 375         (aarch64_combinez_be): Likewise.
 376
 377 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
 378
 379         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
 380         instead of x constraint.
 381         (vcvtps2ph256<mask_name>): Likewise.
 382
 383         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
 384         alternative.  Formatting fix.
 385
 386         * config/i386/sse.md
 387         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
 388         to ...
 389         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
 390         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
 391         maybe_evex prefix instead of vex.
 392         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
 393         EXT_REX_SSE_REG_P (op0) case in the splitter.
 394
 395 2016-05-25  Jeff Law  <law@redhat.com>
 396
 397         PR tree-optimization/71272
 398         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
 399         Update comments.  Add test for empty path.
 400
 401 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
 402
 403         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
 404         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
 405         special case builtin.
 406         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 407         code for ALTIVEC_BUILTIN_VEC_CMPNE.
 408         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 409         for __builtin_vec_cmpne.
 410
 411 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
 412
 413         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
 414         redundant test and bail out if the type of the new operand is not
 415         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
 416
 417 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 418
 419         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
 420         (x_ix86_target_flags_explicit): Remove.
 421         * config/i386/i386.c (ix86_function_specific_save): Do not copy
 422         x_ix86_target_flags_explicit.
 423         (ix86_function_specific_restore): Ditto.
 424
 425 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
 426             H.J. Lu  <hongjiu.lu@intel.com>
 427
 428         PR target/70738
 429         * common/config/i386/i386-common.c
 430         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
 431         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
 432         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
 433         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
 434         (-mgeneral-regs-only): Add new option.
 435         * config/i386/i386.c (ix86_option_override_internal): Don't enable
 436         x87 instructions if only general registers are allowed.
 437         (ix86_target_string): Add ix86_flags argument. Handle additional
 438         flags options through ix86_flags argument.  Update all callers.
 439         * doc/invoke.texi: Document -mgeneral-regs-only.
 440
 441 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 442
 443         PR rtl-optimization/66940
 444         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
 445         decrementing desired_val will not overflow before performing these
 446         operations.
 447
 448 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
 449
 450         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
 451         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
 452         * config/i386/i386.c (enum ix86_builtins): Add
 453         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
 454         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
 455         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
 456         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
 457         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
 458         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
 459         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
 460         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
 461         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
 462         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
 463         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
 464         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
 465         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
 466         __builtin_ia32_cvtps2dq512_mask.
 467         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
 468         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
 469         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
 470         * config/i386/sse.md
 471         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
 472         Rename to ...
 473         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
 474         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
 475         to ...
 476         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
 477         (avx512f_vec_pack_sfix_v8df): New define_expand.
 478         (avx512f_roundpd512): Rename to ...
 479         (avx512f_round<castmode>512): ... this.  Change iterator.
 480         (avx512f_roundps512_sfix): New define_expand.
 481         (round<mode>2_sfix): Change iterator.
 482
 483 2016-05-25  Nick Clifton  <nickc@redhat.com>
 484
 485         * config/msp430/msp430.c (msp430_attr): Produce an error if a
 486         static interrupt handler is detected.
 487         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
 488         default linker script.
 489         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
 490         the low part of a symbolic pointer.
 491
 492 2016-05-25  Richard Biener  <rguenther@suse.de>
 493
 494         PR tree-optimization/71261
 495         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
 496         interesting stmt instead of immediate uses when looking
 497         for the use operand to replace.
 498
 499 2016-05-25  Martin Liska  <mliska@suse.cz>
 500
 501         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
 502
 503 2016-05-25  Richard Biener  <rguenther@suse.de>
 504
 505         PR tree-optimization/71264
 506         * tree-vect-stmts.c (vect_init_vector): Properly deal with
 507         vector type val.
 508
 509 2016-05-25  Martin Liska  <mliska@suse.cz>
 510
 511         PR tree-optimization/71239
 512         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
 513         if DECL_SIZE is NULL.
 514
 515 2016-05-25  Richard Biener  <rguenther@suse.de>
 516
 517         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
 518         * tree-if-conv.c (pass_data_if_conversion): Use it.
 519
 520 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 521
 522         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
 523         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
 524         * varpool.c (varpool_node::get_availability): Likewise.
 525
 526 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 527
 528         * config/rs6000/altivec.md (VNEG iterator): New iterator for
 529         VNEGW/VNEGD instructions.
 530         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
 531         (neg<mode>2): Add expander for V2DImode added in ISA 2.06, and
 532         support for ISA 3.0 VNEGW/VNEGD instructions.
 533
 534 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
 535
 536         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
 537         pointers inside OACC_DATA regions.
 538         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
 539         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
 540         (gimplify_adjust_omp_clauses): Fix typo in comment.
 541
 542 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
 543
 544         * config/rs6000/altivec.md (VParity): New mode iterator for vector
 545         parity built-in functions.
 546         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
 547         zeros.
 548         (p9v_parity<mode>2): Likewise.
 549         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
 550         parity.
 551         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
 552         (parity<mode>2): ISA 3.0 expander for vector parity.
 553         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
 554         power9 built-ins.
 555         (BU_P9_64BIT_MISC_0): Likewise.
 556         (BU_P9_MISC_0): Likewise.
 557         (BU_P9V_AV_1): Likewise.
 558         (BU_P9V_AV_2): Likewise.
 559         (BU_P9V_AV_3): Likewise.
 560         (BU_P9V_AV_P): Likewise.
 561         (BU_P9V_VSX_1): Likewise.
 562         (BU_P9V_OVERLOAD_1): Likewise.
 563         (BU_P9V_OVERLOAD_2): Likewise.
 564         (BU_P9V_OVERLOAD_3): Likewise.
 565         (VCTZB): Add vector count trailing zeros support.
 566         (VCTZH): Likewise.
 567         (VCTZW): Likewise.
 568         (VCTZD): Likewise.
 569         (VPRTYBD): Add vector parity support.
 570         (VPRTYBQ): Likewise.
 571         (VPRTYBW): Likewise.
 572         (VCTZ): Add overloaded vector count trailing zeros support.
 573         (VPRTYB): Add overloaded vector parity support.
 574         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 575         overloaded vector count trailing zeros and parity instructions.
 576         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
 577         vector parity support.
 578         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
 579         trailing zeros support.
 580         (vec_cntlz): Likewise.
 581         (vec_vctzb): Likewise.
 582         (vec_vctzd): Likewise.
 583         (vec_vctzh): Likewise.
 584         (vec_vctzw): Likewise.
 585         (vec_vprtyb): Add ISA 3.0 vector parity support.
 586         (vec_vprtybd): Likewise.
 587         (vec_vprtybw): Likewise.
 588         (vec_vprtybq): Likewise.
 589         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 590         the ISA 3.0 vector count trailing zeros and vector parity built-in
 591         functions.
 592
 593 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 594
 595         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
 596         when there is stmt_to_insert.
 597
 598 2016-05-24  Martin Sebor  <msebor@redhat.com>
 599
 600         PR c++/71147
 601         * tree.h (complete_or_array_type_p): New inline function.
 602
 603 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 604
 605         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
 606         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
 607         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
 608
 609         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
 610         Limit 1st alternative to noavx isa, split 2nd alternative into one
 611         noavx and one avx alternative, use *x and Bm in the former and
 612         x and m in the latter.
 613
 614         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
 615         of sse4 for the first alternative, drop %v from the template
 616         and d operand modifier.  Split second alternative into one sse4_noavx
 617         and one avx alternative, use *x instead of *v in the former and v
 618         instead of *v in the latter.
 619         (*sse4_1_extractps): Use noavx isa instead of * for the first
 620         alternative, drop %v from the template.  Split second alternative into
 621         one noavx and one avx alternative, use *x instead of *v in the
 622         former and v instead of *v in the latter.
 623         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
 624         with noavx and the last one with avx.
 625         (sse4_1_phminposuw): Guard first alternative with noavx isa,
 626         split the second one into one noavx and one avx alternative,
 627         use *x and Bm in the former and x and m in the latter one.
 628         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
 629         alternatives.
 630
 631         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
 632         first two alternatives to noavx, use *x instead of *v in the second
 633         one, add avx alternative without *.
 634         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
 635         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
 636         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
 637
 638 2016-05-24  Jeff Law  <law@redhat.com>
 639
 640         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
 641         New function, extracted from...
 642         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
 643         Allow simple copies and constant initializations in the SSA chain.
 644
 645 2016-05-24  Marek Polacek  <polacek@redhat.com>
 646
 647         PR c/71249
 648         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
 649         scope.
 650
 651 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
 652
 653         PR c++/71257
 654         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
 655         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
 656         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
 657         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
 658         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
 659
 660 2016-05-24  Richard Biener  <rguenther@suse.de>
 661
 662         PR tree-optimization/71240
 663         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
 664         has integral type.
 665
 666 2016-05-24  Richard Biener  <rguenther@suse.de>
 667
 668         PR tree-optimization/71230
 669         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
 670
 671 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 672
 673         * tree-vectorizer.h (vectorizable_comparison): Delete.
 674         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
 675         PURE_SLP_STMT check.
 676         * tree-vect-stmts.c (vectorizable_call): Likewise.
 677         (vectorizable_simd_clone_call): Likewise.
 678         (vectorizable_conversion): Likewise.
 679         (vectorizable_assignment): Likewise.
 680         (vectorizable_shift): Likewise.
 681         (vectorizable_operation): Likewise.
 682         (vectorizable_load): Likewise.
 683         (vectorizable_condition): Likewise.
 684         (vectorizable_store): Likewise.  Assert that we don't have
 685         hybrid SLP.
 686         (vectorizable_comparison): Make static.  Remove redundant
 687         PURE_SLP_STMT check.
 688         (vect_transform_stmt): Assert that we always have an slp_node
 689         if PURE_SLP_STMT.
 690
 691 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 692
 693         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
 694         operands[2] against 1 with comparison against CONST1_RTX.
 695         (<shift>di3_neon): Likewise.
 696         * config/arm/predicates.md (const0_operand): Replace with comparison
 697         against CONST0_RTX.
 698
 699 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 700
 701         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
 702         operands[2] against 1 with comparison against CONST1_RTX.
 703         (ashrdi3): Likewise.
 704         (lshrdi3): Likewise.
 705         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
 706         UINTVAL.
 707         (ashrsi3): Likewise.
 708         (lshrsi3): Likewise.
 709         (rotrsi3): Likewise.
 710         (define_split above *compareqi_eq0): Likewise.
 711         (define_split above "prologue"): Likewise.
 712         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
 713         * config/arm/predicates.md (shift_operator): Likewise.
 714         (shift_nomul_operator): Likewise.
 715         (sat_shift_operator): Likewise.
 716         (thumb1_cmp_operand): Likewise.
 717         (const_neon_scalar_shift_amount_operand): Replace manual range
 718         check with IN_RANGE.
 719         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
 720         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
 721
 722 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 723
 724         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
 725         with HOST_WIDE_INT_1.
 726         (insv): Likewise.
 727         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
 728         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
 729         (arm_canonicalize_comparison): Likewise.
 730         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
 731         HOST_WIDE_INT_1.
 732         (thumb1_size_rtx_costs): Likewise.
 733         (vfp_const_double_index): Replace cast of 1 to unsigned
 734         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 735         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
 736         HOST_WIDE_INT_1.
 737         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
 738         HOST_WIDE_INT with HOST_WIDE_INT_1U.
 739         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
 740         HOST_WIDE_INT with HOST_WIDE_INT_1.
 741
 742 2016-05-24  Marek Polacek  <polacek@redhat.com>
 743
 744         * tree-cfg.h (should_remove_lhs_p): New predicate.
 745         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
 746         * gimplify.c (gimplify_modify_expr): Likewise.
 747         * tree-cfg.c (verify_gimple_call): Likewise.
 748         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
 749         * gimple-fold.c: Include "tree-cfg.h".
 750         (gimple_fold_call): Use should_remove_lhs_p.
 751
 752 2016-05-24  Richard Biener  <rguenther@suse.de>
 753
 754         PR tree-optimization/71253
 755         * cfganal.h (control_dependences): Make robust against edge
 756         and BB removal.
 757         (control_dependences::control_dependences): Remove edge_list argument.
 758         (control_dependences::get_edge): Remove.
 759         (control_dependences::get_edge_src): Add.
 760         (control_dependences::get_edge_dest): Likewise.
 761         (control_dependences::m_el): Make a vector of edge src/dest index.
 762         * cfganal.c (control_dependences::find_control_dependence): Adjust.
 763         (control_dependences::control_dependences): Likewise.
 764         (control_dependences::~control_dependence): Likewise.
 765         (control_dependences::get_edge): Remove.
 766         (control_dependences::get_edge_src): Add.
 767         (control_dependences::get_edge_dest): Likewise.
 768         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
 769         get_edge_src.
 770         (perform_tree_ssa_dce): Adjust.
 771         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
 772         get_edge_src.
 773         (pass_loop_distribution::execute): Adjust.  Do loop destroying
 774         conditional on changed.
 775
 776 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 777
 778         PR target/69857
 779         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
 780         return.  Reindent transformation comment and mention the ARM state
 781         behavior.
 782
 783 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 784
 785         PR middle-end/71252
 786         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
 787         after build_and_add_sum creates new use stmt.
 788
 789 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 790
 791         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
 792         load_lanes/grouped_load classification comes first.  Don't check
 793         whether the vectorization factor is a multiple of the group size
 794         for load_lanes.
 795
 796 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
 797
 798         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
 799         GROUP_GAP for single-element interleaving.
 800         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
 801         variable.
 802
 803 2016-05-24  Richard Biener  <rguenther@suse.de>
 804
 805         PR middle-end/70434
 806         PR c/69504
 807         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
 808         bases which are accessed with non-invariant indices.
 809         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
 810         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
 811
 812 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
 813
 814         PR middle-end/71170
 815         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
 816         (add_to_ops_vec): Add stmt_to_insert.
 817         (add_repeat_to_ops_vec): Init stmt_to_insert.
 818         (insert_stmt_before_use): New.
 819         (transform_add_to_multiply): Remove mult_stmt insertion and add it
 820         to ops vector.
 821         (get_ops): Init stmt_to_insert.
 822         (maybe_optimize_range_tests): Likewise.
 823         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
 824         (rewrite_expr_tree_parallel): Likewise.
 825         (reassociate_bb): Likewise.
 826
 827 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 828
 829         PR target/71201
 830         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
 831         ISA 3.0 xxperm fusion alternative.
 832         (altivec_vperm_v8hiv16qi): Likewise.
 833         (altivec_vperm_<mode>_uns_internal): Likewise.
 834         (vperm_v8hiv4si): Likewise.
 835         (vperm_v16qiv8hi): Likewise.
 836
 837 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
 838             Kelvin Nilsen  <kelvin@gcc.gnu.org>
 839
 840         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
 841         vpermr/xxpermr on ISA 3.0.
 842         (altivec_expand_vec_perm_le): Likewise.
 843         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
 844         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
 845         ISA 3.0.
 846
 847 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
 848
 849         * config/i386/i386.h (IS_STACK_MODE): Enable for
 850         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
 851         SSE_FLOAT_MODE_P macros.
 852         * config/i386/i386.c (ix86_preferred_reload_class): Use
 853         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
 854         Cleanup regclass processing for CONST_DOUBLE_P.
 855         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
 856         (ix86_rtx_costs): Remove redundant TARGET_80387 check
 857         with IS_STACK_MODE macro.
 858         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
 859         with TARGET_SSE2.
 860         (*movdf_internal): Use IS_STACK_MODE macro.
 861         (*movsf_internal): Ditto.
 862
 863 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
 864
 865         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
 866         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
 867
 868 2016-05-23  Jeff Law  <law@redhat.com>
 869
 870         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
 871         extracted from ...
 872         (fsm_find_control_statement_thread_paths): Call it.
 873
 874 2016-05-23  Martin Jambor  <mjambor@suse.cz>
 875
 876         PR ipa/71234
 877         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
 878         from_global_constant if t is not NULL.
 879
 880 2016-05-23  Marek Polacek  <polacek@redhat.com>
 881
 882         PR c/49859
 883         * common.opt (Wswitch-unreachable): New option.
 884         * doc/invoke.texi: Document -Wswitch-unreachable.
 885         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
 886         warning.
 887
 888 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
 889
 890         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
 891         TMR_INDEX is non-NULL.
 892
 893 2016-05-23  Richard Biener  <rguenther@suse.de>
 894
 895         PR tree-optimization/71230
 896         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
 897         (try_special_add_to_ops): ... here.  Always test for single-use.
 898
 899 2016-05-23  Martin Jambor  <mjambor@suse.cz>
 900
 901         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
 902         default block if a PHI node in the original one would be resized.
 903
 904 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
 905
 906         PR tree-optimization/58135
 907         * tree-vect-slp.c: When group size is not multiple
 908         of vector size, allow splitting of store group at
 909         vector boundary.
 910
 911 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
 912
 913         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
 914
 915 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
 916
 917         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
 918         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
 919         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
 920         of 64x2.
 921
 922         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
 923         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
 924         v constraint instead of x and vinserti32x4 insn.
 925
 926         * config/i386/sse.md (i128vldq): New mode iterator.
 927         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
 928         avx512dq and avx512vl alternatives.
 929
 930         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
 931         constraint, use maybe_evex prefix instead of vex.
 932         (vec_dupv4sf): Use v constraint instead of x for output
 933         operand except for noavx alternative, use Yv constraint
 934         instead of x for input.  Use maybe_evex prefix instead of vex.
 935         (*vec_dupv4si): Likewise.
 936         (*vec_dupv2di): Likewise.
 937
 938 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
 939
 940         PR middle-end/40921
 941         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
 942         (linearize_expr_tree): Call try_special_add_to_ops.
 943         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
 944
 945 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 946
 947         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
 948         to computed stack_usage.
 949
 950 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
 951
 952         PR target/71103
 953         * config/avr/avr.md (define_expand "mov<mode>"): If the source
 954         operand is subreg (symbol_ref) then move the symbol ref to register.
 955
 956 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
 957
 958         * tree.c (array_at_struct_end_p): Look through MEM_REF.
 959
 960 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
 961
 962         PR middle-end/71179
 963         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
 964         VECTOR type.
 965
 966 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
 967
 968         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
 969         ranges by calling get_single_symbol and tidy up.  Look more closely
 970         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
 971
 972 2016-05-20  Jeff Law  <law@redhat.com>
 973
 974         * bitmap.c (bitmap_find_bit): Remove useless test.
 975
 976 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
 977
 978         * function.c (thread_prologue_and_epilogue_insns): Commit the
 979         insertion of the epilogue.
 980
 981 2016-05-20  Martin Jambor  <mjambor@suse.cz>
 982
 983         PR tree-optimization/70884
 984         * tree-sra.c (initialize_constant_pool_replacements): Do not check
 985         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
 986         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
 987         of constant pool data as a reason for scalarization.
 988
 989 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
 990
 991         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
 992         for naked functions.
 993         (thumb1_expand_prologue): Likewise.
 994
 995 2016-05-20  Nathan Sidwell  <nathan@acm.org>
 996
 997         * config/nvptx/nptx.c (nvptx_option_override): Only set
 998         flag_toplevel_reorder, if not explicitly specified.  Set
 999         flag_no_common, unless explicitly specified.
1000
1001 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1002
1003         * calls.c (can_implement_as_sibling_call_p): Mark param
1004         reg_parm_stack_space with ATTRIBUTE_UNUSED.
1005
1006 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
1007
1008         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
1009         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
1010         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
1011         constants.
1012         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
1013         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
1014         and CASE_CONST_ANY.
1015
1016 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
1017
1018         * config/nvptx/nvptx.md (sincossf3): New pattern.
1019
1020 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1021
1022         * calls.c (maybe_complain_about_tail_call): New function.
1023         (initialize_argument_information): Call
1024         maybe_complain_about_tail_call when clearing *may_tailcall.
1025         (can_implement_as_sibling_call_p): Call
1026         maybe_complain_about_tail_call when returning false.
1027         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
1028         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
1029         if tail-call optimization fails.
1030         * cfgexpand.c (expand_call_stmt): Initialize
1031         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
1032         * gimple-pretty-print.c (dump_gimple_call): Dump
1033         gimple_call_must_tail_p.
1034         * gimple.c (gimple_build_call_from_tree): Call
1035         gimple_call_set_must_tail with the value of
1036         CALL_EXPR_MUST_TAIL_CALL.
1037         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
1038         (gimple_call_set_must_tail): New function.
1039         (gimple_call_must_tail_p): New function.
1040         * print-tree.c (print_node): Update printing of TREE_STATIC
1041         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
1042         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
1043         trailing comment listing applicable flags.
1044         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
1045
1046 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
1047
1048         * calls.c (expand_call): Move "Rest of purposes for tail call
1049         optimizations to fail" to...
1050         (can_implement_as_sibling_call_p): ...this new function, and
1051         split into multiple "if" statements.
1052
1053 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1054
1055         * cfgloop.h (expected_loop_iterations_unbounded,
1056         expected_loop_iterations): Unconstify.
1057         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
1058         profile with known upper bound; return 3 when profile is absent.
1059         (expected_loop_iterations): Update.
1060
1061 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1062
1063         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
1064         and get_max_loop_iterations_int.
1065
1066 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
1067
1068         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
1069         realistic upper bounds here.
1070
1071 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
1072
1073         PR c++/71210
1074         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
1075         calls if the LHS is variable length or has addressable type.
1076         If targets[0]->decl is a noreturn call with void return type and
1077         zero arguments, adjust fntype and remove lhs in that case.
1078
1079 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
1080
1081         PR tree-optimization/71079
1082         PR tree-optimization/71206
1083         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
1084
1085 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1086
1087         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
1088         (get_vec_alignment_for_array_decl): Likewise.
1089         (get_vec_alignment_for_record_decl): Likewise.
1090         (increase_alignment::execute): Move code to find alignment to
1091         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
1092         (type_align_map): New hash_map.
1093
1094 2016-05-20  Richard Guenther  <rguenther@suse.de>
1095
1096         PR tree-optimization/29756
1097         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
1098         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
1099         * fold-const.c (operand_equal_p): Likewise.
1100         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
1101         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
1102         * tree-inline.c (estimate_operator_cost): Likewise.
1103         * tree-pretty-print.c (dump_generic_node): Likewise.
1104         * tree-ssa-operands.c (get_expr_operands): Likewise.
1105         * cfgexpand.c (expand_debug_expr): Likewise.
1106         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
1107         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
1108         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
1109         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
1110         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
1111         (execute_update_addresses_taken): Do it.
1112
1113 2016-05-20  Richard Biener  <rguenther@suse.de>
1114
1115         PR tree-optimization/71185
1116         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
1117         register operations.
1118
1119 2016-05-20  Richard Biener  <rguenther@suse.de>
1120
1121         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
1122         gimple_seq_add_seq_without_update.
1123         (release_bb_predicate): Assert we have no operands to free.
1124         (if_convertible_loop_p_1): Calculate post dominators later.
1125         Do not free BB predicates here.
1126         (combine_blocks): Do not recompute BB predicates.
1127         (version_loop_for_if_conversion): Save BB predicates around
1128         loop versioning.
1129
1130 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1131
1132         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
1133         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
1134         code.  Ignore sibcalls on EDGE_IGNORE edges.
1135         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
1136         on edges for sibcalls that run without prologue.  The rest of the
1137         function is combined from...
1138         (fix_fake_fallthrough_edge): ... this, and ...
1139         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
1140         function argument, make it a local variable.
1141
1142 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
1143
1144         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
1145         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
1146         for 32-bit mode and SEH for 64-bit.
1147         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
1148         TARGET_64BIT_DEFAULT.
1149
1150 2016-05-19  Ryan Burn  <contact@rnburn.com>
1151
1152         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
1153         * gengtype.c (open_base_files): Add cilk.h to ifiles.
1154
1155 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
1156
1157         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
1158         force pending loads from memory.
1159
1160 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
1161
1162         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
1163         (UNSPEC_DARN_32): New unspec constant.
1164         (UNSPEC_DARN_RAW): New unspec constant.
1165         (darn_32): New instruction.
1166         (darn_raw): New instruction.
1167         (darn): New instruction.
1168         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
1169         support and documentation for this macro.
1170         (BU_P9_MISC_1): New macro definition.
1171         (BU_P9_64BIT_MISC_0): New macro definition.
1172         (BU_P9_MISC_0): New macro definition.
1173         (darn_32): New builtin definition.
1174         (darn_raw): New builtin definition.
1175         (darn): New builtin definition.
1176         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
1177         RS6000_BUILTIN_0 directives to surround each occurrence of
1178         #include "rs6000-builtin.def".
1179         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
1180         RS6000_BTM_64BIT flags to the returned mask, depending on
1181         configuration.
1182         (def_builtin): Correct an error in the assignments made to the
1183         debugging variable attr_string.
1184         (rs6000_expand_builtin): Add support for no-operand built-in
1185         functions.
1186         (builtin_function_type): Remove fatal_error assertion that is no
1187         longer valid.
1188         (rs6000_common_init_builtins): Add support for no-operand built-in
1189         functions.
1190         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
1191         definition.
1192         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
1193         definition.
1194         (RS6000_BTM_64BIT): New macro definition.
1195         * doc/extend.texi: Document __builtin_darn (void),
1196         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
1197         functions.
1198
1199 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
1200
1201         * tree-vect-loop.c (vect_analyze_loop_2): Use also
1202         max_loop_iterations_int.
1203
1204 2016-05-19  Marek Polacek  <polacek@redhat.com>
1205
1206         PR tree-optimization/71031
1207         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
1208         condition and adjust the code a bit.
1209
1210 2016-05-19  Martin Liska  <mliska@suse.cz>
1211
1212         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
1213         auto_vec instead of vec.
1214
1215 2016-05-19  Martin Liska  <mliska@suse.cz>
1216
1217         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
1218
1219 2016-05-19  Martin Liska  <mliska@suse.cz>
1220
1221         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
1222
1223 2016-05-19  Martin Liska  <mliska@suse.cz>
1224
1225         * ipa-pure-const.c (set_function_state): Remove an existing
1226         funct_state.
1227         (remove_node_data): Do not free it as it's released
1228         in set_function_state.
1229
1230 2016-05-19  Martin Liska  <mliska@suse.cz>
1231
1232         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
1233         bitmap.
1234
1235 2016-05-19  Martin Liska  <mliska@suse.cz>
1236
1237         * omp-simd-clone.c (simd_clone_adjust): Release vector.
1238
1239 2016-05-19  Martin Liska  <mliska@suse.cz>
1240
1241         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
1242         an auto_vec instead of re-creating it.
1243
1244 2016-05-19  Martin Liska  <mliska@suse.cz>
1245
1246         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
1247         auto_vec instead of vec.
1248
1249 2016-05-19  Martin Liska  <mliska@suse.cz>
1250
1251         * lto-section-in.c (lto_get_section_data): Call
1252         lto_check_version with additional argument.
1253         * lto-streamer.c (lto_check_version): Add new argument.
1254         * lto-streamer.h (lto_check_version): Likewise.
1255
1256 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1257
1258         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
1259         Don't add cost of inner memory when handling sign-extended loads.
1260
1261 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
1262
1263         PR rtl-optimization/71148
1264         * cse.c (cse_main): Free dominance info.
1265         (rest_of_handle_cse): Don't free dominance info.
1266         (rest_of_handle_cse2): Likewise.
1267         (rest_of_handle_cse_after_global_opts): Likewise.
1268
1269 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1270
1271         PR target/71056
1272         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
1273         NULL_TREE early if NEON is not available.  Remove now redundant check
1274         in ARM_CHECK_BUILTIN_MODE.
1275
1276 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
1277
1278         PR sanitizer/64354
1279         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
1280         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
1281         * doc/cpp.texi: Document new macros.
1282
1283 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
1284
1285         PR tree-optimization/69848
1286         * tree-vect-loop.c (vectorizable_reduction): Don't factor
1287         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
1288
1289 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
1290
1291         * function.c (thread_prologue_and_epilogue_insn): Move the
1292         "goto epilogue_done" one block later.
1293
1294 2016-05-19  Richard Biener  <rguenther@suse.de>
1295
1296         PR tree-optimization/70729
1297         * passes.def: Move LIM pass before PRE.  Remove no longer
1298         required copyprop and move first DCE out of the loop pipeline.
1299
1300 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
1301
1302         PR driver/69265
1303         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
1304         (OBJS-libcommon-target): ...here.
1305         * opts-common.c: Include spellcheck.h.
1306         (cmdline_handle_error): Build a vec of valid options and use it
1307         to suggest provide hints for misspelled arguments.
1308
1309 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1310
1311         PR c++/71100
1312         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
1313         lhs if it has TREE_ADDRESSABLE type.
1314
1315 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
1316
1317         PR target/71145
1318         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
1319         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
1320
1321 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1322
1323         PR ipa/69708
1324         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
1325         input for NOP_EXPR pass-through functions.
1326         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
1327         aggregate global constant VAR_DECLs in constant jump functions.
1328
1329 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1330
1331         PR ipa/69708
1332         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
1333         from TREE_READONLY parameters.
1334
1335 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1336
1337         PR ipa/69708
1338         * cgraph.h (cgraph_indirect_call_info): New field
1339         guaranteed_unmodified.
1340         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
1341         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1342         appropriate.
1343         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
1344         pass the parameter value to ipa_find_agg_cst_for_param.
1345         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
1346         guaranteed_unmodified, store AA results there instead of bailing out
1347         if present.
1348         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
1349         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
1350         (find_constructor_constant_at_offset): New function.
1351         (ipa_find_agg_cst_from_init): Likewise.
1352         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
1353         static initializers of contants, report back through a new paameter
1354         from_global_constant if that was the case.
1355         (try_make_edge_direct_simple_call): Also pass parameter value to
1356         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
1357         appropriate.
1358         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
1359         (ipa_read_indirect_edge_info): Likewise.
1360         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
1361         (ipa_load_from_parm_agg): Likewise.
1362
1363 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
1364
1365         PR rtl-optimization/71150
1366         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
1367         check.
1368
1369 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
1370
1371         PR target/70915
1372         * config/rs6000/constraints.md (wE constraint): New constraint
1373         for a vector constant that can be loaded with XXSPLTIB.
1374         (wM constraint): New constraint for a vector constant of a 1's.
1375         (wS constraint): New constraint for a vector constant that can be
1376         loaded with XXSPLTIB and a vector sign extend instruction.
1377         * config/rs6000/predicates.md (xxspltib_constant_split): New
1378         predicates for wE/wS constraints.
1379         (xxspltib_constant_nosplit): Likewise.
1380         (easy_vector_constant): Add support for constants that can be
1381         loaded via XXSPLTIB.
1382         (all_ones_constant): New predicate for vector constant with all
1383         1's set.
1384         (splat_input_operand): Add support for ISA 3.0 word splat operations.
1385         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
1386         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
1387         instruction and possibly with a sign extension.
1388         (output_vec_const_move): Add support for XXSPLTIB. If we are
1389         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
1390         instead of XXLXOR/XXLORC.
1391         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
1392         operations.
1393         (rs6000_legitimize_reload_address): Likewise.
1394         (rs6000_output_move_128bit): Use output_vec_const_move to emit
1395         constants.
1396         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
1397         combine VSX_M and VSX_M2 into one iterator.
1398         (VSX_M2): Likewise.
1399         (VSINT_84): New iterators for loading constants with XXSPLTIB.
1400         (VSINT_842): Likewise.
1401         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
1402         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
1403         XXSPLTIB instruction.
1404         (xxspltib_<mode>_nosplit): Likewise.
1405         (xxspltib_<mode>_split): New insn to load up constants with
1406         XXSPLTIB and a sign extend instruction.
1407         (vsx_mov<mode>): Replace single move that handled all vector types
1408         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
1409         moves (when -mvsx-timode is in effect) into the main vector
1410         moves.  Eliminate separate moves for <VSr> <VSa>, where the
1411         preferred register class (<VSr>) is listed first, and the
1412         secondary register class (<VSa>) is listed second with a '?' to
1413         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
1414         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
1415         that if the register was involved in a slow operation, the
1416         clear/set operation does not wait for the slow operation to
1417         finish.  Adjust the length attributes for 32-bit mode.  Use
1418         rs6000_output_move_128bit and drop the use of the string
1419         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
1420         spacing so that the alternatives and attributes don't generate
1421         long lines, and put things in columns, so that it is easier to
1422         match up the operands and attributes with the insn alternatives.
1423         (vsx_mov<mode>_64bit): Likewise.
1424         (vsx_mov<mode>_32bit): Likewise.
1425         (vsx_movti_64bit): Fold movti into normal vector moves.
1426         (vsx_movti_32bit): Likewise.
1427         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
1428         splat instructions.
1429         (vsx_splat_v4si_internal): Likewise.
1430         (vsx_splat_v4sf_internal): Likewise.
1431         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
1432         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
1433         extend vector elements.
1434         (vsx_sign_extend_hi_<mode>): Likewise.
1435         (vsx_sign_extend_si_v2di): Likewise.
1436         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
1437         declaration.
1438         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
1439         constraints.  Add trailing period to wL documentation.
1440
1441 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
1442
1443         PR middle-end/71020
1444         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
1445         * tree-dfa.c (replace_abnormal_ssa_names): New function.
1446         * tree-call-cdce.c: Include tree-dfa.h.
1447         (can_guard_call_p): New function, extracted from...
1448         (can_use_internal_fn): ...here.
1449         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
1450         and return void.
1451         (shrink_wrap_one_built_in_call): Likewise.
1452         (use_internal_fn): Likewise.
1453         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
1454         and return void.  Call replace_abnormal_ssa_names.
1455         (pass_call_cdce::execute): Check can_guard_call_p during the
1456         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
1457         will always change something.
1458
1459 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1460
1461         PR ipa/70646
1462         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
1463         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
1464
1465 2016-05-18  Martin Jambor  <mjambor@suse.cz>
1466
1467         PR ipa/70646
1468         * ipa-inline.h (condition): New field size.
1469         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
1470         for comaprison and store it into the new condition.
1471         (evaluate_conditions_for_known_args): Use condition size to check
1472         access sizes for all but CHANGED conditions.
1473         (unmodified_parm_1): New parameter size_p, store access size into it.
1474         (unmodified_parm): Likewise.
1475         (unmodified_parm_or_parm_agg_item): Likewise.
1476         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
1477         (set_cond_stmt_execution_predicate): Extract access sizes and store
1478         them to conditions.
1479         (set_switch_stmt_execution_predicate): Likewise.
1480         (will_be_nonconstant_expr_predicate): Likewise.
1481         (will_be_nonconstant_predicate): Likewise.
1482         (inline_read_section): Stream condition size.
1483         (inline_write_summary): Likewise.
1484
1485 2016-05-18  Richard Biener  <rguenther@suse.de>
1486
1487         * tree-ssa-loop-im.c (determine_max_movement): Properly add
1488         condition cost to PHI cost instead of total_cost.
1489
1490 2016-05-18  Martin Liska  <mliska@suse.cz>
1491
1492         PR fortran/70856
1493         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
1494         merged variables.
1495
1496 2016-05-18  Richard Biener  <rguenther@suse.de>
1497
1498         * lto-streamer.h (LTO_major_version): Bump to 6.
1499
1500 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1501
1502         * function.c (make_split_prologue_seq, make_prologue_seq,
1503         make_epilogue_seq): New functions, factored out from...
1504         (thread_prologue_and_epilogue_insns): Here.
1505
1506 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
1507
1508         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
1509         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
1510         of before.  Add a comment.
1511
1512 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
1513
1514         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
1515         expression pointer, not pointer to the pointer.
1516
1517 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
1518
1519         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
1520         (avx2_pbroadcast<mode>): Add another alternative with v instead
1521         of x constraints in it, using <pbroadcast_evex_isa> isa.
1522         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
1523
1524         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
1525         constraint x instead of v in second alternative, add avx512bw
1526         alternative.
1527
1528         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
1529         constraint x instead of v in second alternative, add avx512bw
1530         alternative.
1531
1532         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
1533         constraint x instead of v in second alternative, add avx512bw
1534         alternative.
1535
1536         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
1537         avx512bw alternative.
1538
1539 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1540
1541         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
1542         array to 128 chars.
1543         (define_insn "*andnottf3"): Ditto.
1544         (define_insn "*<code><mode>3"/any_logic): Ditto.
1545         (define_insn "*<code>tf3"/any_logic): Ditto.
1546         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
1547         operand to block AVX-512VL insn variant emit when it is not enabled.
1548
1549 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
1550
1551         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
1552         constraint fot SF mode.
1553
1554 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
1555             Kirill Yukhin  <kirill.yukhin@intel.com>
1556
1557         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
1558         modifiers.
1559         (define_insn "rsqrt14<mode>"): Ditto.
1560         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
1561         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
1562         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
1563         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
1564         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
1565         Ditto.
1566         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
1567         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
1568         * config/i386/i386.c (ix86_print_operand): Expand check for size
1569         override codes for Intel syntax.
1570
1571 2016-05-18  Richard Biener  <rguenther@suse.de>
1572
1573         PR tree-optimization/71168
1574         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
1575         initialization earlier.
1576
1577 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
1578
1579         * config/aarch64/aarch64-simd.md
1580         (aarch64_reduc_plus_internal<mode>): Rename to...
1581         (reduc_plus_scal): ...This, and remove previous implementation.
1582
1583 2016-05-18  Richard Biener  <rguenther@suse.de>
1584
1585         * passes.def: Put late dse and cd_dce in canonical order.
1586
1587 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
1588
1589         * ipa-inline-transform.c (preserve_function_body_p): Look for
1590         first non-thunk clone.
1591         (save_function_body): Save into first non-thunk.
1592         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
1593         up call stmt id.
1594         (lto_output_node): Inline thunks don't need body in every
1595         partition.
1596         * lto-streamer-in.c: Do not fixup thunk clones.
1597         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
1598         thunks.
1599         * tree-inline.c (copy_bb): Be prepared for target node to be new after
1600         folding suceeds.
1601
1602 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1603
1604         PR middle-end/63586
1605         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
1606         (reassociate_bb): Call transform_add_to_multiply.
1607
1608 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
1609
1610         * config/aarch64/aarch64.c (all_extensions): Removed unused
1611         static variable.
1612
1613 2016-05-17  Nathan Sidwell  <nathan@acm.org>
1614
1615         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
1616         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
1617
1618 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
1619
1620         PR tree-optimization/54579
1621         PR middle-end/55299
1622         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
1623
1624 2016-05-17  Marek Polacek  <polacek@redhat.com>
1625
1626         PR ipa/71146
1627         * tree-inline.c (expand_call_inline): Call
1628         maybe_remove_unused_call_args.
1629
1630 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
1631
1632         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
1633         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
1634         * doc/md.texi (fmin@var{m}3): Likewise.
1635
1636 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1637
1638         * match.pd (X & C): New transformation.
1639
1640 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1641
1642         * match.pd (~X & Y): New transformation.
1643
1644 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
1645
1646         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
1647         information for new SSA_NAME.
1648         (simplify_conversion_using_ranges): Get range through get_range_info
1649         instead of get_value_range.
1650
1651 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1652
1653         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
1654         Remove inline assembly.
1655         (vmvn_s16): Likewise.
1656         (vmvn_s32): Likewise.
1657         (vmvn_u8): Likewise.
1658         (vmvn_u16): Likewise.
1659         (vmvn_u32): Likewise.
1660         (vmvnq_s8): Likewise.
1661         (vmvnq_s16): Likewise.
1662         (vmvnq_s32): Likewise.
1663         (vmvnq_u8): Likewise.
1664         (vmvnq_u16): Likewise.
1665         (vmvnq_u32): Likewise.
1666         (vmvn_p8): Likewise.
1667         (vmvnq_p16): Likewise.
1668
1669 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1670
1671         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
1672         Use builtin.
1673         (vmul_n_s16): Likewise.
1674         (vmul_n_s32): Likewise.
1675         (vmul_n_u16): Likewise.
1676         (vmul_n_u32): Likewise.
1677         (vmulq_n_f32): Likewise.
1678         (vmulq_n_f64): Likewise.
1679         (vmulq_n_s16): Likewise.
1680         (vmulq_n_s32): Likewise.
1681         (vmulq_n_u16): Likewise.
1682         (vmulq_n_u32): Likewise.
1683
1684 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1685
1686         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
1687         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
1688
1689 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
1690
1691         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
1692         to *aarch64_fma4_elt_from_dup<mode>.
1693         (*aarch64_fnma4_elt_to_128df): Rename to
1694         *aarch64_fnma4_elt_from_dup<mode>.
1695         * config/aarch64/arm_neon.h (vfma_n_f64): New.
1696         (vfms_n_f32): Likewise.
1697         (vfms_n_f64): Likewise.
1698         (vfmsq_n_f32): Likewise.
1699         (vfmsq_n_f64): Likewise.
1700
1701 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
1702
1703         * wide-int.h: Change fixed_wide_int_storage from class to struct.
1704
1705 2016-05-17  Richard Biener  <rguenther@suse.de>
1706
1707         PR tree-optimization/71132
1708         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
1709         Only add control dependences for blocks in the loop.
1710         (build_rdg): Adjust.
1711         (generate_code_for_partition): Return whether loop should
1712         be destroyed and delay that.
1713         (distribute_loop): Likewise.
1714         (pass_loop_distribution::execute): Record loops to be destroyed
1715         and perform delayed destroying of loops.
1716
1717 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1718
1719         PR target/70809
1720         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
1721
1722 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1723
1724         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
1725
1726 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
1727
1728         PR target/71114
1729         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
1730         insertion point for instructions generated by validize_mem.
1731
1732 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1733
1734         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
1735         in brackets.
1736
1737 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
1738
1739         * config/aarch64/aarch64.c
1740         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
1741         rather than a macro.
1742
1743 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1744
1745         * doc/invoke.texi (AArch64 Options): Various updates.
1746
1747 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1748
1749         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
1750         into instrumentation thunks.
1751         * cif-code.def (CIF_CHKP): New.
1752
1753 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
1754
1755         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
1756
1757 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1758
1759         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
1760         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
1761
1762 2016-05-16  Marek Polacek  <polacek@redhat.com>
1763
1764         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
1765         commentary.
1766
1767 2016-05-16  Martin Jambor  <mjambor@suse.cz>
1768
1769         PR hsa/70857
1770         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
1771         the outlined kernel function.
1772
1773 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
1774
1775         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
1776         (ISA_HAS_DLSA): Ditto.
1777
1778 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1779
1780         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
1781
1782 2016-05-16  Nathan Sidwell  <nathan@acm.org>
1783
1784         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
1785         (nvptx_name_replacement): Restore.  Add comment.
1786         (write_fn_proto, write_fn_proto_from_insn,
1787         nvptx_output_call_insn): Restore
1788         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
1789
1790 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1791
1792         * config/aarch64/aarch64.md
1793         (add<mode>3_compareC_cconly_imm): Remove use of %w.
1794         (add<mode>3_compareC_imm): Likewise.
1795         (<optab>si3_uxtw): Split into register and immediate variants.
1796         (andsi3_compare0_uxtw): Likewise.
1797         (and<mode>3_compare0): Likewise.
1798         (and<mode>3nr_compare0): Likewise.
1799         (stack_protect_test_<mode>): Don't use %x for memory operands.
1800
1801 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
1802
1803         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
1804
1805 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
1806
1807         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
1808         Split integer shifts into shift_reg and bfm.
1809         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
1810         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
1811         (ror<mode>3_insn): Likewise.
1812         (<optab>si3_insn_uxtw): Likewise.
1813         (<optab><mode>3_insn): Change to rotate_imm.
1814         (extr<mode>5_insn_alt): Likewise.
1815         (extrsi5_insn_uxtw): Likewise.
1816         (extrsi5_insn_uxtw_alt): Likewise.
1817
1818 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1819
1820         * doc/tm.texi: Regenerate.
1821         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
1822         (TARGET_INVALID_RETURN_TYPE): Remove.
1823         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
1824         TARGET_INVALID_RETURN_TYPE.
1825         * target.def (invalid_parameter_type): Remove.
1826         (invalid_return_type): Remove.
1827
1828 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1829
1830         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
1831         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
1832         calls from thunk.
1833         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
1834         gimple body.
1835         (preserve_function_body_p): No need to preserve function body
1836         * cif-codes.def (CIF_THUNK): Remove.
1837         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
1838
1839 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1840
1841         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
1842
1843 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1844
1845         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
1846         for thunks.
1847
1848 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1849
1850         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
1851         (inline_small_functions): Do not look for function symbol when
1852         resetting caches.
1853
1854 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
1855
1856         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
1857         of inline thunks
1858
1859 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1860             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1861             Jiong Wang  <jiong.wang@arm.com>
1862
1863         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
1864         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
1865         Define __ARM_FP16_ARGS when appropriate.
1866         * config/arm/arm.c (arm_invalid_parameter_type): Remove
1867         declaration.
1868         (arm_invalid_return_type): Likewise.
1869         (TARGET_INVALID_PARAMETER_TYPE): Remove.
1870         (TARGET_INVALID_RETURN_TYPE): Remove.
1871         (aapcs_vfp_sub_candidate): Allow HFmode.
1872         (aapcs_vfp_allocate): Add comment.  Support HFmode.
1873         (aapcs_vfp_allocate_return_reg): Likewise.
1874         (struct aapcs_cp_arg_layout): Slightly reword comments for
1875         is_return_candidate and allocate_return_reg.
1876         (output_mov_vfp): Update assert.
1877         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
1878         condition.
1879         (arm_invalid_parameter_type): Remove.
1880         (amr_invalid_return_type): Remove.
1881         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
1882         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
1883         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
1884
1885 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
1886
1887         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
1888         * config/aarch64/arch64-protos.h
1889         (aarch64_legitimize_reload_address): Remove.
1890         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
1891         Remove.
1892
1893 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1894
1895         * configure.ac: Add ACX_NONCANONICAL_HOST.
1896         * configure: Regenerate.
1897         * Makefile.in: Set host_noncanonical.
1898
1899 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
1900
1901         PR target/71097
1902         * config/i386/i386.md (*movtf_internal): Before register allocation,
1903         do not allow FP constants for CM_MEDIUM memory model, allow only
1904         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
1905         (*movxf_internal): Ditto.
1906         (*movdf_internal): Ditto.
1907         (*movsf_internal): Ditto.
1908
1909 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
1910
1911         PR rtl-optimization/67483
1912         * combine.c (make_compound_operation): Don't call extract_left_shift
1913         with negative shift amounts.
1914
1915 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR bootstrap/71071
1918         * fold-const.c (fold_checksum_tree): Allow modification
1919         of TYPE_ALIAS_SET during folding.
1920
1921         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
1922         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
1923         (ix86_split_to_parts): Likewise.  Fix up formatting.
1924
1925 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
1926
1927         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
1928         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
1929         printf format.
1930
1931 2016-05-13  Nathan Sidwell  <nathan@acm.org>
1932
1933         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
1934         (nvptx_name_replacement): Delete.
1935         (write_fn_proto, write_fn_proto_from_insn,
1936         nvptx_output_call_insn): Remove nvptx_name_replacement call.
1937         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
1938         * langhooks.c (add_builtin_funcction_common): Call
1939         targetm.mangle_decl_assembler_name.
1940
1941         * config/nvptx/nvptx.c (write_fn_proto): Handle
1942         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
1943
1944 2016-05-13  Martin Liska  <mliska@suse.cz>
1945
1946         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
1947         and PRIu64 in printf format.
1948
1949 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1950
1951         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
1952         comment.
1953
1954 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1955
1956         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
1957         Change --param max-completely-peeled-times to
1958         --param max-completely-peel-times in dump file printing.
1959
1960 2016-05-13  Richard Biener  <rguenther@suse.de>
1961
1962         PR tree-optimization/42587
1963         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
1964         (find_bswap_or_nop_1): Likewise.
1965         (bswap_replace): Likewise.
1966
1967 2016-05-13  Martin Liska  <mliska@suse.cz>
1968
1969         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
1970         Initialize a variable with default value.
1971
1972 2016-05-13  Martin Liska  <mliska@suse.cz>
1973
1974         * doc/invoke.texi: Enhance explanation of error recovery
1975         of sanitizers.
1976
1977 2016-05-13  Martin Liska  <mliska@suse.cz>
1978
1979         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
1980         (struct cost_pair): Change inv_expr_id (int) to inv_expr
1981         (iv_inv_expr_ent *).
1982         (struct iv_inv_expr_ent): Comment struct fields.
1983         (sort_iv_inv_expr_ent): New function.
1984         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
1985         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
1986         a hash_map between iv_inv_expr_ent and number of usages.
1987         (niter_for_exit): Fix coding style.
1988         (tree_ssa_iv_optimize_init): Use renamed variable.
1989         (determine_base_object): Fix coding style.
1990         (alloc_iv): Likewise.
1991         (find_interesting_uses_outside): Likewise.
1992         (add_candidate_1): Likewise.
1993         (add_standard_iv_candidates): Likewise.
1994         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
1995         (prepare_decl_rtl): Fix coding style.
1996         (get_address_cost): Likewise.
1997         (get_shiftadd_cost): Likewise.
1998         (force_expr_to_var_cost): Likewise.
1999         (compare_aff_trees): Likewise.
2000         (get_expr_id): Restructure the function.
2001         (get_loop_invariant_expr_id): Renamed to
2002         get_loop_invariant_expr.
2003         (get_computation_cost_at): Replace usage of inv_expr_id with
2004         inv_expr.
2005         (get_computation_cost): Likewise.
2006         (determine_group_iv_cost_generic): Likewise.
2007         (determine_group_iv_cost_address): Likewise.
2008         (iv_period): Fix coding style.
2009         (iv_elimination_compare_lt): Likewise.
2010         (may_eliminate_iv): Likewise.
2011         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
2012         inv_expr.
2013         (determine_group_iv_costs): Dump invariant expressions.
2014         (iv_ca_recount_cost): Use the newly added hash_map.
2015         (iv_ca_set_remove_invariants): Fix coding style.
2016         (iv_ca_set_add_invariants): Fix coding style.
2017         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
2018         invariants.
2019         (iv_ca_set_cp): Likewise.
2020         (iv_ca_new): Initialize the newly added hash_map and remove
2021         initialization of fields.
2022         (iv_ca_free): Delete the hash_map.
2023         (iv_ca_dump): Dump invariant expressions.
2024         (iv_ca_extend): Fix coding style.
2025         (try_add_cand_for): Likewise.
2026         (create_new_ivs): Dump information about # of avg iterations and
2027         # of used invariant expressions.
2028         (rewrite_use_compare): Fix coding style.
2029         (free_loop_data): Set default value for max_inv_expr_id.
2030
2031 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2032
2033         * cse.c (rest_of_handle_cse): Use cleanup_cfg
2034         returned value cse_cfg_altered computation.
2035         (rest_of_handle_cse2): Likewise.
2036         (rest_of_handle_cse_after_global_opts): Likewise.
2037
2038 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2039
2040         PR target/53440
2041         * config/arm/arm.c (arm32_output_mi_thunk): New.
2042         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
2043         to split Thumb1 vs TARGET_32BIT functionality.
2044         (arm_thumb1_mi_thunk): New.
2045
2046 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2047
2048         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
2049         to true.
2050
2051 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2052
2053         PR target/71080
2054         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
2055
2056 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
2057
2058         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
2059         (expand_builtin_trap): Emit a regular call.
2060         (set_builtin_user_assembler_name): Remove obsolete cases.
2061         * dse.c (scan_insn): Adjust.
2062         * except.c: Include calls.h.
2063         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
2064         emit a regular call to setjmp.
2065         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
2066         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
2067         (emit_block_move_via_libcall): Delete.
2068         (block_move_fn): Delete.
2069         (init_block_move_fn): Likewise.
2070         (emit_block_move_libcall_fn): Likewise.
2071         (emit_block_op_via_libcall): New function.
2072         (set_storage_via_libcall): Tidy up and use memset builtin.
2073         (block_clear_fn): Delete.
2074         (init_block_clear_fn): Likewise.
2075         (clear_storage_libcall_fn): Likewise.
2076         (expand_assignment): Call emit_block_move_via_libcall.
2077         Do not include gt-expr.h.
2078         * expr.h (emit_block_op_via_libcall): Declare.
2079         (emit_block_copy_via_libcall): New inline function.
2080         (emit_block_move_via_libcall): Likewise.
2081         (emit_block_comp_via_libcall): Likewise.
2082         (block_clear_fn): Delete.
2083         (init_block_move_fn): Likewise.
2084         (init_block_clear_fn): Likewise.
2085         (emit_block_move_via_libcall): Likewise.
2086         (set_storage_via_libcall): Add default parameter value.
2087         * libfuncs.h (enum libfunc_index): Remove obsolete values.
2088         (abort_libfunc): Delete.
2089         (memcpy_libfunc): Likewise.
2090         (memmove_libfunc): Likewise.
2091         (memcmp_libfunc): Likewise.
2092         (memset_libfunc): Likewise.
2093         (setbits_libfunc): Likewise.
2094         (setjmp_libfunc): Likewise.
2095         (longjmp_libfunc): Likewise.
2096         (profile_function_entry_libfunc): Likewise.
2097         (profile_function_exit_libfunc): Likewise.
2098         (gcov_flush_libfunc): Likewise.
2099         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
2100         and DECL_VISIBILITY on the declaration.
2101         (init_optabs): Do not initialize obsolete libfuncs.
2102         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
2103         * tree-core.h (ECF_RET1): Define.
2104         (ECF_TM_PURE): Adjust.
2105         (ECF_TM_BUILTIN): Likewise.
2106         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
2107         (build_common_builtin_nodes): Initialize abort builtin.
2108         Add ECF_RET1 on memcpy, memmove and memset builtins.
2109         Pass final flags for alloca and alloca_with_align builtins.
2110         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
2111         obsolete builtins.
2112         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
2113         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
2114         set_storage_via_libcall and call emit_block_copy_via_libcall.
2115
2116 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
2117
2118         * config/i386/i386.md (*call_got_x32): Change operand 0 to
2119         DImode before it is passed to ix86_output_call_operand.
2120         (*call_value_got_x32): Ditto for operand 1.
2121
2122 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
2123
2124         PR rtl-optimization/70904
2125         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
2126         reload for wide mode.
2127
2128 2016-05-12  Marek Polacek  <polacek@redhat.com>
2129
2130         PR c/70756
2131         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
2132         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
2133         * langhooks.h (incomplete_type_error): Likewise.
2134         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
2135         parameter, pass it down to incomplete_type_error.
2136         * tree.h (size_in_bytes): New inline overload.
2137         (size_in_bytes_loc): Renamed from size_in_bytes.
2138
2139 2016-05-12  Richard Biener  <rguenther@suse.de>
2140
2141         PR tree-optimization/71059
2142         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
2143         nary before looking up or entering the expression into the VN
2144         hashes.
2145         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
2146         Make sure to re-use NARYs without result as inserted by
2147         phi-translation.
2148
2149 2016-05-12  Richard Biener  <rguenther@suse.de>
2150
2151         PR tree-optimization/71062
2152         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
2153         field.
2154         * tree-ssa-structalias.c (set_uids_in_ptset): Set
2155         vars_contains_restrict if the var is a restrict tag.
2156         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
2157         do not disambiguate pointers against it.
2158         (dump_points_to_solution): Re-structure and adjust for new
2159         vars_contains_restrict flag.
2160         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
2161
2162 2016-05-12  Martin Liska  <mliska@suse.cz>
2163
2164         * doc/invoke.texi: Explain connection between
2165         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
2166
2167 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
2168
2169         PR tree-optimization/71006
2170         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
2171         consider COND_EXPR as a mask producer.
2172
2173 2016-05-12  Marek Polacek  <polacek@redhat.com>
2174
2175         PR driver/71063
2176         * opts.c (common_handle_option): Detect missing argument for --help^.
2177
2178 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2179
2180         PR target/70830
2181         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
2182         when popping the PC and within an interrupt handler routine.
2183         Add missing tab to output of "ldmfd".
2184         (output_return_instruction): Output LDMFD with SP update rather
2185         than POP when returning from interrupt handler.
2186
2187 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
2188
2189         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
2190         TARGET_64BIT && TARGET_AVX512DQ.
2191         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
2192         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
2193         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
2194         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
2195         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
2196         (*vec_extractv4si_zext): Add avx512dq alternative.
2197         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
2198         use v instead of x constraint in other alternatives where possible.
2199
2200         * config/i386/sse.md (sse2_loadld): Use v instead of x
2201         constraint in alternatives 0,1,4.
2202
2203         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
2204         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
2205         v constraints instead of x and <pinsr_evex_isa> isa attribute.
2206
2207         PR target/71019
2208         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
2209         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
2210         is not emitted unless TARGET_AVX512BW.
2211         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
2212         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
2213         for the result operand.
2214
2215         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
2216         constraint instead of x in avx alternatives.  Use maybe_evex instead
2217         of vex prefix.
2218
2219         * config/i386/constraints.md (Yv): New constraint.
2220         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
2221         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
2222         * config/i386/i386.md (avx512fvecmode): New mode attr.
2223         (*pushtf): Use v constraint instead of x.
2224         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
2225         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
2226         (*absneg<mode>2): Use Yv constraint instead of x constraint.
2227         (*absnegtf2_sse): Likewise.
2228         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
2229         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
2230         avx512f alternatives.
2231         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
2232
2233 2016-05-12  Richard Biener  <rguenther@suse.de>
2234
2235         PR tree-optimization/71060
2236         * tree-data-ref.c (initialize_data_dependence_relation): Do not
2237         require exact match of DR_BASE_OBJECT but only matching address and
2238         type.
2239
2240 2016-05-12  Richard Biener  <rguenther@suse.de>
2241
2242         PR tree-optimization/70986
2243         * cfganal.c: Include cfgloop.h.
2244         (dfs_find_deadend): Prefer to take edges exiting loops.
2245
2246 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2247
2248         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
2249         compile and run time.
2250
2251 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
2252
2253         PR c/43651
2254         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
2255
2256 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
2257
2258         * config/i386/i386.c (legitimize_pic_address): Use
2259         copy_to_suggested_reg instead of gen_movsi.
2260
2261 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2262
2263         * config/rs6000/predicates.md (quad_memory_operand): Move most of
2264         the code into quad_address_p and call it to share code with
2265         vsx_quad_dform_memory_operand.
2266         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
2267         d-form support.
2268         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
2269         bit instead of being a separate word.  Split -mpower9-dform into
2270         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2271         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
2272         for the register class supporting 128-bit quad word memory offsets.
2273         (mode_supports_vsx_dform_quad): Helper function to return if the
2274         register class uses quad word memory offsets.
2275         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
2276         (rs6000_debug_reg_global): Always print if we are using LRA or not.
2277         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
2278         instructions are enabled, set up the appropriate addr_masks for
2279         128-bit types.
2280         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
2281         -mpower9-dform-scalar, instead of -mpower9-dform.
2282         (rs6000_option_override_internal): Split -mpower9-dform into two
2283         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
2284         -mpower9-dform switch sets or clears both.  If we are not using
2285         the LRA register allocator, do not enable -mpower9-dform-vector by
2286         default.  If we are using LRA, enable -mpower9-dform-vector and
2287         -mvsx-timode if it is appropriate.  Issue a warning if either
2288         -mpower9-dform-vector or -mvsx-timode are explicitly used without
2289         enabling LRA.
2290         (quad_address_offset_p): New helper function to return if the
2291         offset is legal for quad word memory instructions.
2292         (quad_address_p): New function to determin if GPR or vector
2293         register quad word memory addresses are legal.
2294         (mem_operand_gpr): Validate quad word address offsets.
2295         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
2296         d-form (register + offset) instructions.
2297         (offsettable_ok_by_alignment): Likewise.
2298         (rs6000_legitimate_offset_address_p): Likewise.
2299         (legitimate_lo_sum_address_p): Likewise.
2300         (rs6000_legitimize_address): Likewise.
2301         (rs6000_legitimize_reload_address): Add more debug statements for
2302         -mdebug=addr.
2303         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
2304         d-form instructions.
2305         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
2306         d-form instructions.  Distinguish different cases in debug
2307         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
2308         d-form instructions.
2309         (rs6000_preferred_reload_class): Likewise.
2310         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
2311         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
2312         of the ISA 2.06 indexed memory instructions.
2313         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
2314         use them to save/restore the saved vector registers instead of
2315         using Altivec instructions.
2316         (rs6000_emit_epilogue): Likewise.
2317         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
2318         (rs6000_opt_masks): Split -mpower9-dform into
2319         -mpower9-dform-scalar and -mpower9-dform-vector.
2320         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
2321         was not selected.
2322         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
2323         ISA 3.0 vector indexed memory instructions, and fold the code into
2324         the normal mov<mode> patterns.
2325         (p9_vecstore_<mode>): Likewise.
2326         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
2327         instructions.
2328         (vsx_movti_64bit): Likewise.
2329         (vsx_movti_32bit): Likewise.
2330         * config/rs6000/constraints.md (wO constraint): New constraint for
2331         ISA 3.0 vector d-form support.
2332         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
2333         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
2334         include -mpower9-dform-vector until we switch over to LRA.
2335         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
2336         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
2337         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
2338         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
2339         for -mpower9-dform and -mlra.
2340         * doc/md.texi (wO constraint): Document wO constraint.
2341
2342 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
2343
2344         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
2345         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
2346         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
2347         Move handling of non-insn arguments inline into the sole user:
2348         (output_trans_func): ...here.
2349         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
2350         in emitted function prototype.
2351         (output_internal_insn_latency_func): Ditto.  Simplify.
2352         (output_internal_maximal_insn_latency_func): Ditto.  Delete
2353         always-unused argument.
2354         (output_insn_latency_func): Ditto.
2355         (output_maximal_insn_latency_func): Ditto.
2356
2357 2016-05-11  Richard Biener  <rguenther@suse.de>
2358
2359         PR tree-optimization/71055
2360         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
2361         sth with precision not equal to access size verify we don't chop
2362         off bits.
2363
2364 2016-05-11  Richard Biener  <rguenther@suse.de>
2365
2366         PR debug/71057
2367         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
2368         (dwarf2out_finish): Move retry_incomplete_types call ...
2369         (dwarf2out_early_finish): ... here.
2370
2371 2016-05-11  Richard Biener  <rguenther@suse.de>
2372
2373         PR middle-end/71002
2374         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
2375         if the langhook insists on it.
2376         * fold-const.c (make_bit_field_ref): Add arg for the original
2377         reference and preserve its alias-set.
2378         (decode_field_reference): Take exp by reference and adjust it
2379         to the original memory reference.
2380         (optimize_bit_field_compare): Adjust callers.
2381         (fold_truth_andor_1): Likewise.
2382         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
2383
2384 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
2385
2386         PR middle-end/70807
2387         * cfgrtl.h (delete_insn_and_edges): Now return bool.
2388         * cfgrtl.c (delete_insn_and_edges): Likewise.
2389         * config/i386/i386.c (convert_scalars_to_vector): Remove
2390         redundant code.
2391         * cse.c (cse_insn): Compute cse_cfg_altered.
2392         (delete_trivially_dead_insns): Likewise.
2393         (cse_cc_succs): Likewise.
2394         (rest_of_handle_cse): Free dominance info if required.
2395         (rest_of_handle_cse2): Likewise.
2396         (rest_of_handle_cse_after_global_opts): Likewise.
2397
2398 2016-05-11  Alan Modra  <amodra@gmail.com>
2399
2400         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
2401         abi_v4_pass_in_fpr): New functions.
2402         (rs6000_function_arg_boundary): Exclude complex IBM long double
2403         from 64-bit alignment when ABI_V4.
2404         (rs6000_function_arg, rs6000_function_arg_advance_1,
2405         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
2406
2407 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
2408
2409         PR rtl-optimization/71028
2410         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
2411         jump with just a return in the fallthrough block if the branch
2412         block contains just a return as well.
2413
2414 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
2415
2416         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
2417         * match.pd ((X & Y) ^ Y): ... this.
2418         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
2419         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
2420
2421 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2422
2423         * read-md.c (require_char_ws): New function.
2424         (read_string): Simplify using require_char_ws.
2425         (handle_constants): Likewise.
2426         (handle_enum): Likewise.
2427         (handle_file): Likewise.
2428         * read-md.h (require_char_ws): New declaration.
2429         * read-rtl.c (read_conditions): Simplify using require_char_ws.
2430         (read_mapping): Likewise.
2431         (read_rtx_code): Likewise.
2432         (read_nested_rtx): Likewise.
2433
2434 2016-05-10  James Norris  <jnorris@codesourcery.com>
2435
2436         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
2437         if offloading is enabled and -fopenacc or -fopenmp is specified.
2438         (CRTOFFLOADEND): Likewise.
2439         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
2440         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
2441
2442 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
2443
2444         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
2445         gotoff_operand code paths.  Use copy_to_suggested_regs and
2446         expand_simple_binop where appropriate.  Cleanup.
2447
2448 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2449
2450         PR target/70799
2451         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
2452         integer constants.
2453         (dimode_scalar_chain::vector_const_cost): New.
2454         (dimode_scalar_chain::compute_convert_gain): Handle constants.
2455         (dimode_scalar_chain::convert_op): Likewise.
2456         (dimode_scalar_chain::convert_insn): Likewise.
2457
2458 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2459
2460         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
2461         unary operation, not a binary one.
2462
2463 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2464
2465         PR middle-end/70877
2466         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
2467         calls with type casted fndecl.
2468
2469 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
2470
2471         PR tree-optimization/70786
2472         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
2473         * calls.c (initialize_argument_information): Bind bounds
2474         with corresponding args passed by reference.
2475
2476 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
2477
2478         PR target/70927
2479         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
2480         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
2481         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
2482         accordingly.
2483
2484 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2485
2486         PR target/70963
2487         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
2488         code for a zero scale factor.
2489         (vsx_xvcvdpuxds_scale): Likewise.
2490
2491 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
2492
2493         * diagnostic-show-locus.c (layout::layout): Call show_ruler
2494         if show_ruler_p was set on the context.
2495         (layout::show_ruler): New method.
2496         * diagnostic.h (struct diagnostic_context): Add field
2497         "show_ruler_p".
2498
2499 2016-05-10  Richard Biener  <rguenther@suse.de>
2500
2501         PR tree-optimization/71039
2502         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
2503         (chk_uses): New function.
2504         (propagate_with_phi): Verify we can safely replicate the lhs of an
2505         aggregate assignment on all incoming edges.
2506
2507 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
2508
2509         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
2510         Forward declare.
2511         (rx_atomic_sequence): New class.
2512         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
2513         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
2514         non-inline.
2515         (rx_atomic_sequence::rx_atomic_sequence,
2516         rx_atomic_sequence::~rx_atomic_sequence): New functions.
2517         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
2518         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
2519         CTRLREG_INTB): New constants.
2520         (FETCHOP): New code iterator.
2521         (fethcop_name, fetchop_name2): New iterator code attributes.
2522         (QIHI): New mode iterator.
2523         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
2524         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
2525         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
2526
2527 2016-05-10  Martin Liska  <mliska@suse.cz>
2528
2529         * tree-inline.c (remap_dependence_clique): Do not remap
2530         debugging statements.
2531
2532 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2533
2534         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
2535         ("*fixuns_truncdfdi2_z13")
2536         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
2537         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
2538         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
2539
2540 2016-05-10  Richard Biener  <rguenther@suse.de>
2541
2542         PR tree-optimization/70497
2543         PR tree-optimization/28367
2544         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
2545         split out from ...
2546         (visit_reference_op_load): ... here.
2547         (vn_reference_lookup_3): Use it to handle subreg-like accesses
2548         with simplified BIT_FIELD_REFs.
2549         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
2550         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
2551         correctly.
2552
2553 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
2554
2555         * dwarf2out.c (add_abstract_origin_attribute): Adjust
2556         documentation comment.  For BLOCK nodes, add a
2557         DW_AT_abstract_origin attribute that points to the DIE generated
2558         for the origin BLOCK.
2559         (gen_lexical_block_die): Call add_abstract_origin_attribute for
2560         blocks from inlined functions.
2561
2562 2016-05-10  Alan Modra  <amodra@gmail.com>
2563
2564         PR target/70947
2565         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
2566         regrename modifying insns saving lr before __morestack call.
2567         * config/rs6000/rs6000.md (split_stack_return): Similarly for
2568         insns restoring lr after __morestack call.
2569
2570 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
2571
2572         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
2573         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
2574         expanders.
2575         * config/i386/sse.md (vec_interleave_high<mode>,
2576         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
2577         <avx512>_vpermt2var<mode>3_maskz): Likewise.
2578
2579 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
2580
2581         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
2582         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
2583         parallel reassociation for power8 and forward.
2584
2585 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
2586
2587         * config/i386/i386.md (absneg splitters with general regs): Use
2588         general_reg_operand predicate.
2589         (btsq peephole2): Use x86_64_immediate_operand to check if new
2590         value is suitable for immediate operand.  Generate emitted insn
2591         using RTL expressions.
2592         (btcq peephole2): Ditto.
2593         (btrq peephole2): Ditto.  Generate correct immediate operand
2594         for AND masking.
2595
2596 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2597
2598         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
2599         bitpos.
2600
2601 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
2602
2603         * tree-affine.c (wide_int_constant_multiple_p): Add missing
2604         pointer dereference.
2605
2606 2016-05-09  Richard Biener  <rguenther@suse.de>
2607
2608         PR tree-optimization/70985
2609         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
2610         op0 isn't a gimple register.
2611
2612 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
2613
2614         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
2615         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
2616         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
2617         (i6400_fpu_mult): New cpu units.
2618         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
2619         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
2620         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
2621         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
2622         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
2623         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
2624         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
2625         (i6400_msa_long_float4, i6400_msa_long_float5)
2626         (i6400_msa_long_float8, i6400_msa_fdiv_df)
2627         (i6400_msa_fdiv_sf): New reservations.
2628         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
2629         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
2630         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
2631         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
2632         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
2633         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
2634         (msa_short_cmp, msa_short_float2, msa_short_logic3)
2635         (msa_short_store4, msa_long_load, msa_short_store)
2636         (msa_long_logic, msa_long_float2, msa_long_float4)
2637         (msa_long_float5, msa_long_float8, msa_long_mult)
2638         (msa_long_fdiv, msa_long_div): New reservations.
2639
2640 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
2641             Sameera Deshpande  <sameera.deshpande@imgtec.com>
2642             Matthew Fortune  <matthew.fortune@imgtec.com>
2643             Graham Stott  <graham.stott@imgtec.com>
2644             Chao-ying Fu  <chao-ying.fu@imgtec.com>
2645
2646         * config.gcc: Add MSA header file for mips*-*-* target.
2647         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
2648         (Ubv8i, Urv8):  New constraints.
2649         * config/mips/mips-ftypes.def: Add function types for MSA
2650         builtins.
2651         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
2652         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
2653         * config/mips/mips-msa.md: New file.
2654         * config/mips/mips-protos.h
2655         (mips_split_128bit_const_insns): New prototype.
2656         (mips_msa_idiv_insns): Likewise.
2657         (mips_split_128bit_move): Likewise.
2658         (mips_split_128bit_move_p): Likewise.
2659         (mips_split_msa_copy_d): Likewise.
2660         (mips_split_msa_insert_d): Likewise.
2661         (mips_split_msa_fill_d): Likewise.
2662         (mips_expand_msa_branch): Likewise.
2663         (mips_const_vector_same_val_p): Likewise.
2664         (mips_const_vector_same_bytes_p): Likewise.
2665         (mips_const_vector_same_int_p): Likewise.
2666         (mips_const_vector_shuffle_set_p): Likewise.
2667         (mips_const_vector_bitimm_set_p): Likewise.
2668         (mips_const_vector_bitimm_clr_p): Likewise.
2669         (mips_msa_vec_parallel_const_half): Likewise.
2670         (mips_msa_output_division): Likewise.
2671         (mips_ldst_scaled_shift): Likewise.
2672         (mips_expand_vec_cond_expr): Likewise.
2673         * config/mips/mips.c (enum mips_builtin_type): Add
2674         MIPS_BUILTIN_MSA_TEST_BRANCH.
2675         (mips_gen_const_int_vector_shuffle): New prototype.
2676         (mips_const_vector_bitimm_set_p): New function.
2677         (mips_const_vector_bitimm_clr_p): Likewise.
2678         (mips_const_vector_same_val_p): Likewise.
2679         (mips_const_vector_same_bytes_p): Likewise.
2680         (mips_const_vector_same_int_p): Likewise.
2681         (mips_const_vector_shuffle_set_p): Likewise.
2682         (mips_symbol_insns): Forbid loading symbols via immediate for
2683         MSA.
2684         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
2685         stores.
2686         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
2687         MSA.
2688         (mips_lx_address_p): Add support load indexed address for MSA.
2689         (mips_address_insns): Add calculation of instructions needed for
2690         stores and loads for MSA.
2691         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
2692         CONST_VECTOR for MSA and let it fall through.
2693         (mips_ldst_scaled_shift): New function.
2694         (mips_subword_at_byte): Likewise.
2695         (mips_msa_idiv_insns): Likewise.
2696         (mips_legitimize_move): Validate MSA moves.
2697         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
2698         calculation of costs for MSA division.
2699         (mips_split_move_p): Check if MSA moves need splitting.
2700         (mips_split_move): Split MSA moves if necessary.
2701         (mips_split_128bit_move_p): New function.
2702         (mips_split_128bit_move): Likewise.
2703         (mips_split_msa_copy_d): Likewise.
2704         (mips_split_msa_insert_d): Likewise.
2705         (mips_split_msa_fill_d): Likewise.
2706         (mips_output_move): Handle MSA moves.
2707         (mips_expand_msa_branch): New function.
2708         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
2709         Reinstate 'y' modifier.
2710         (mips_file_start): Add MSA .gnu_attribute.
2711         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
2712         FPRs.
2713         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
2714         (mips_class_max_nregs): Add register size for MSA supported mode.
2715         (mips_cannot_change_mode_class): Allow conversion between MSA
2716         vector modes and TImode.
2717         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
2718         instruction.
2719         (mips_secondary_reload_class): Force MSA loads/stores via memory.
2720         (mips_preferred_simd_mode): Add preffered modes for MSA.
2721         (mips_vector_mode_supported_p): Add MSA supported modes.
2722         (mips_autovectorize_vector_sizes): New function.
2723         (mips_msa_output_division): Likewise.
2724         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
2725         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
2726         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
2727         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
2728         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
2729         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
2730         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
2731         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
2732         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
2733         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
2734         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
2735         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
2736         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
2737         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
2738         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
2739         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
2740         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
2741         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
2742         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
2743         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
2744         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
2745         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
2746         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
2747         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
2748         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
2749         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
2750         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
2751         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
2752         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
2753         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
2754         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
2755         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
2756         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
2757         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
2758         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
2759         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
2760         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
2761         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
2762         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
2763         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
2764         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
2765         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
2766         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
2767         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
2768         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2769         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2770         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2771         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2772         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
2773         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
2774         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
2775         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
2776         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
2777         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
2778         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
2779         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
2780         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
2781         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
2782         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
2783         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
2784         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
2785         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
2786         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
2787         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
2788         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
2789         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
2790         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
2791         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
2792         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
2793         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
2794         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
2795         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
2796         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
2797         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
2798         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
2799         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
2800         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
2801         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
2802         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
2803         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
2804         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
2805         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
2806         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
2807         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
2808         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
2809         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
2810         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
2811         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
2812         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
2813         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
2814         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
2815         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
2816         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
2817         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
2818         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
2819         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
2820         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
2821         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
2822         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
2823         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
2824         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
2825         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
2826         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
2827         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
2828         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
2829         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
2830         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
2831         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
2832         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
2833         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
2834         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
2835         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
2836         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
2837         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
2838         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
2839         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
2840         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
2841         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
2842         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
2843         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
2844         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
2845         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
2846         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
2847         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
2848         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
2849         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
2850         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
2851         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
2852         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
2853         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
2854         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
2855         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
2856         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
2857         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
2858         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
2859         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
2860         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
2861         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
2862         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
2863         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
2864         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
2865         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
2866         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
2867         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
2868         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
2869         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
2870         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
2871         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
2872         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
2873         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
2874         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
2875         move_v builtins.
2876         (mips_get_builtin_decl_index): New array.
2877         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
2878         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
2879         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
2880         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
2881         (mips_init_builtins): Initialize mips_get_builtin_decl_index
2882         array.
2883         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
2884         hook.
2885         (mips_expand_builtin_insn): Prepare operands for
2886         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
2887         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
2888         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
2889         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
2890         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
2891         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
2892         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
2893         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
2894         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
2895         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
2896         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
2897         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
2898         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
2899         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
2900         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
2901         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
2902         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
2903         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
2904         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
2905         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
2906         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
2907         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
2908         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
2909         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
2910         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
2911         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
2912         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
2913         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
2914         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
2915         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
2916         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
2917         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
2918         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
2919         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
2920         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
2921         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
2922         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
2923         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
2924         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
2925         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
2926         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
2927         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
2928         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
2929         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
2930         These are set implicitly and an error is reported if overridden.
2931         (mips_expand_builtin_msa_test_branch): New function.
2932         (mips_expand_msa_shuffle): Likewise.
2933         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
2934         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
2935         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
2936         (mips_expand_vec_unpack): Add support for MSA.
2937         (mips_expand_vector_init): Likewise.
2938         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
2939         instead of const0_rtx.
2940         (mips_msa_vec_parallel_const_half): New function.
2941         (mips_gen_const_int_vector): Likewise.
2942         (mips_gen_const_int_vector_shuffle): Likewise.
2943         (mips_expand_msa_cmp): Likewise.
2944         (mips_expand_vec_cond_expr): Likewise.
2945         * config/mips/mips.h
2946         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
2947         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
2948         specified.
2949         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
2950         (ISA_HAS_MSA): New macro.
2951         (UNITS_PER_MSA_REG): Likewise.
2952         (BITS_PER_MSA_REG): Likewise.
2953         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
2954         (MSA_REG_FIRST): New macro.
2955         (MSA_REG_LAST): Likewise.
2956         (MSA_REG_NUM): Likewise.
2957         (MSA_REG_P): Likewise.
2958         (MSA_REG_RTX_P): Likewise.
2959         (MSA_SUPPORTED_MODE_P): Likewise.
2960         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
2961         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
2962         * config/mips/mips.md: Include mips-msa.md.
2963         (alu_type): Add simd_add.
2964         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
2965         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
2966         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
2967         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
2968         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
2969         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
2970         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
2971         simd_move, simd_load, simd_store.  Choose "multi" for moves
2972         for "qword_mode".
2973         (qword_mode): New attribute.
2974         (insn_count): Add instruction count for quad moves.
2975         Increase the count for MIPS SIMD division.
2976         (UNITMODE): Add UNITMODEs for vector types.
2977         (addsub): New code iterator.
2978         * config/mips/mips.opt (mmsa): New option.
2979         * config/mips/msa.h: New file.
2980         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
2981         specified.
2982         * config/mips/mti-linux.h: Likewise.
2983         * config/mips/predicates.md
2984         (const_msa_branch_operand): New constraint.
2985         (const_uimm3_operand): Likewise.
2986         (const_uimm4_operand): Likewise.
2987         (const_uimm5_operand): Likewise.
2988         (const_uimm8_operand): Likewise.
2989         (const_imm5_operand): Likewise.
2990         (aq10b_operand): Likewise.
2991         (aq10h_operand): Likewise.
2992         (aq10w_operand): Likewise.
2993         (aq10d_operand): Likewise.
2994         (const_m1_operand): Likewise.
2995         (reg_or_m1_operand): Likewise.
2996         (const_exp_2_operand): Likewise.
2997         (const_exp_4_operand): Likewise.
2998         (const_exp_8_operand): Likewise.
2999         (const_exp_16_operand): Likewise.
3000         (const_vector_same_val_operand): Likewise.
3001         (const_vector_same_simm5_operand): Likewise.
3002         (const_vector_same_uimm5_operand): Likewise.
3003         (const_vector_same_uimm6_operand): Likewise.
3004         (const_vector_same_uimm8_operand): Likewise.
3005         (par_const_vector_shf_set_operand): Likewise.
3006         (reg_or_vector_same_val_operand): Likewise.
3007         (reg_or_vector_same_simm5_operand): Likewise.
3008         (reg_or_vector_same_uimm6_operand): Likewise.
3009         * doc/extend.texi (MIPS SIMD Architecture Functions): New
3010         section.
3011         * doc/invoke.texi (-mmsa): Document new option.
3012
3013 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3014
3015         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
3016         * configure: Regenerate.
3017         * config.in: Regenerate.
3018         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
3019         on -fvtable-verify.
3020         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
3021         (ENDFILE_VTV_SPEC): Define.
3022
3023 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
3024
3025         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
3026         registers in all interrupt handlers if necessary.
3027         (rl78_option_override): Add warning.
3028         (MUST_SAVE_MDUC_REGISTERS): New macro.
3029         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
3030         * config/rl78/rl78.c (check_mduc_usage): New function.
3031         (mduc_regs): New structure to hold MDUC register data.
3032         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
3033         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
3034         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
3035         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
3036         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
3037         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
3038
3039 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
3040
3041         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
3042         (tree-ssa-loop-niter.h): Ditto.
3043         (idx_within_array_bound, ref_within_array_bound): New functions.
3044         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
3045         Factor out check on writable base object to ...
3046         (base_object_writable): ... here.
3047
3048 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3049
3050         * config/arm/arm.md (probe_stack): Add modes to set source
3051         and destination.
3052
3053 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
3054
3055         * regrename.c (base_reg_class_for_rename): New static function.
3056         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
3057
3058 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
3059
3060         * cgraph.c (thunk_adjust): Export.
3061         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
3062         * cgraphunit.c (thunk_adjust): Export.
3063         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
3064         thunks.
3065         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
3066         inlinable.
3067         * tree-inline.c (expand_call_inline): Expand thunks inline.
3068
3069 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
3070
3071         PR target/70998
3072         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
3073         (*sse2_vd_cvtss2sd): Ditto.
3074         * config/i386/i386.md
3075         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
3076         Generate *sse2_vd_cvtsd2ss pattern.
3077         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
3078         Generate *sse2_vd_cvtss2sd pattern.
3079
3080 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3081
3082         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
3083         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
3084         users.
3085
3086 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
3087
3088         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
3089         * config/sh/sh.c: Define and declare variables on first use throughout
3090         the file.
3091         (current_function_interrupt): Change to bool type.
3092         (frame_insn): Rename to emit_frame_insn and update users.
3093         (push_regs): Use bool for 'interrupt_handler' argument.
3094         (save_schedule_s): Remove.
3095         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
3096         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
3097         targetm.asm_out.unaligned_op.di.
3098         (gen_far_branch): Remove redundant forward declaration.
3099         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
3100         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
3101         (sh_set_return_address, sh_function_ok_for_sibcall,
3102         scavenge_reg): Update comments.
3103         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
3104         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
3105         (sh_attr_renesas_p): Remove unnecessary parentheses.
3106         (branch_dest): Simplify.
3107         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
3108         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
3109         (CUMULATIVE_ARGS): Change macro to typedef.
3110         (current_function_interrupt): Change to bool type.
3111         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
3112         Surround with __cplusplus ifdef.
3113         (sh_compare_op0, sh_compare_op1): Remove.
3114         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
3115
3116 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
3117
3118         * config/arm/arm.md: (arch): Add neon.
3119         (arch_enabled): Return yes for arch neon when TARGET_NEON.
3120         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
3121         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
3122         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
3123         attributes for alt renumbering.  Mark alt 3 as non-predicable.
3124         (thumb2_movdf_vfp): Likewise.
3125
3126 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
3129         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
3130         (*andqi_1): Add preferred_for_speed attribute to disparage
3131         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
3132         (*<code>qi_1): Ditto.
3133         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
3134         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
3135         (*ashlqi3_1): Ditto.
3136         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
3137         Add preferred_for_size attribute to disparage alternative 0 and
3138         preferred_for_speed attribute to disparage alternative 1 for
3139         TARGET_PARTIAL_REG_STALL targets.
3140
3141 2016-05-07  Tom de Vries  <tom@codesourcery.com>
3142
3143         PR tree-optimization/70956
3144         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
3145         def.
3146
3147 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
3148
3149         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
3150         * config/sh/sh.c (sh_cbranch_distance): Implement it.
3151         * config/sh/sh.md (branch_zero): Remove define_attr.
3152         (define_delay): Disable delay slot if branch distance is one insn.
3153
3154 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3155
3156         * config/i386/i386.md (LEAMODE): New mode attribute.
3157         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
3158         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
3159         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
3160         operand 2 predicate.
3161         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
3162         (*lea<mode>_general_3): Ditto.
3163         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
3164
3165 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3166
3167         * genmddump.c (main): Convert argv from char ** to const char **.
3168
3169 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3170
3171         * coretypes.h (OVERRIDE): New macro.
3172         (FINAL): New macro.
3173
3174 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
3175
3176         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
3177         allow coalescing if the types are compatible.
3178
3179 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3180
3181         * pass_manager.h (pass_manager::register_pass_name): New method.
3182         (pass_manager::get_pass_by_name): New method.
3183         (pass_manager::create_pass_tab): New method.
3184         (pass_manager::m_name_to_pass_map): New field.
3185         * passes.c (name_to_pass_map): Delete global in favor of field
3186         "m_name_to_pass_map" of pass_manager.
3187         (register_pass_name): Rename from a function to...
3188         (pass_manager::register_pass_name): ...this method, updating
3189         for renaming of global "name_to_pass_map" to field
3190         "m_name_to_pass_map".
3191         (create_pass_tab): Rename from a function to...
3192         (pass_manager::create_pass_tab): ...this method, updating
3193         for renaming of global "name_to_pass_map" to field.
3194         (get_pass_by_name): Rename from a function to...
3195         (pass_manager::get_pass_by_name): ...this method.
3196         (enable_disable_pass): Convert use of get_pass_by_name to
3197         a method call, locating the pass_manager singleton.
3198
3199 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
3200
3201         * genattr-common.c (main): Convert argv from char ** to const char **.
3202         * genattr.c (main): Likewise.
3203         * genattrtab.c (main): Likewise.
3204         * genautomata.c (initiate_automaton_gen): Likewise.
3205         (main): Likewise.
3206         * gencodes.c (main): Likewise.
3207         * genconditions.c (main): Likewise.
3208         * genconfig.c (main): Likewise.
3209         * genconstants.c (main): Likewise.
3210         * genemit.c (main): Likewise.
3211         * genenums.c (main): Likewise.
3212         * genextract.c (main): Likewise.
3213         * genflags.c (main): Likewise.
3214         * genmddeps.c (main): Likewise.
3215         * genopinit.c (main): Likewise.
3216         * genoutput.c (main): Likewise.
3217         * genpeep.c (main): Likewise.
3218         * genpreds.c (main): Likewise.
3219         * genrecog.c (main): Likewise.
3220         * gensupport.c (init_rtx_reader_args_cb): Likewise.
3221         (init_rtx_reader_args): Likewise.
3222         * gensupport.h (init_rtx_reader_args_cb): Likewise.
3223         (init_rtx_reader_args): Likewise.
3224         * gentarget-def.c (main): Likewise.
3225         * read-md.c (read_md_files): Likewise.
3226         * read-md.h (read_md_files): Likewise.
3227
3228 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3229
3230         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
3231         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
3232         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
3233         Remove unused predicate.
3234         (register_and_not_fp_reg_operand): Ditto.
3235
3236 2016-05-06  Martin Liska  <mliska@suse.cz>
3237
3238         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
3239         instead of vec as the vector is local to the function.
3240
3241 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
3242
3243         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
3244         avx512bw alternative.
3245
3246         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
3247         before the ashr<mode>3 pattern.
3248
3249         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
3250         v instead of x in vex or maybe_vex alternatives, use
3251         maybe_evex instead of vex in prefix.
3252
3253         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
3254         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
3255         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
3256         in vex or maybe_vex alternatives, use maybe_evex instead of vex
3257         in prefix.
3258
3259         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
3260         v instead of x in vex or maybe_vex alternatives, use
3261         maybe_evex instead of vex in prefix.
3262
3263         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
3264         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
3265         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
3266         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
3267         alternatives, use maybe_evex instead of vex in prefix.
3268
3269         * config/i386/sse.md (vec_interleave_lowv4sf,
3270         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
3271         v instead of x in vex or maybe_vex alternatives, use
3272         maybe_evex instead of vex in prefix.
3273
3274         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
3275         v instead of x in vex or maybe_vex alternatives, use
3276         maybe_evex instead of vex in prefix.
3277
3278         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
3279         v constraint instead of x.
3280
3281 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3282
3283         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
3284         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
3285         equality first.
3286
3287 2016-05-06  Richard Biener  <rguenther@suse.de>
3288
3289         PR tree-optimization/70948
3290         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
3291         Properly clobber all fields of va_list for __builtin_va_start.
3292
3293 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
3294
3295         PR debug/70935
3296         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
3297         loop latch destination.
3298
3299 2016-05-06  Martin Liska  <mliska@suse.cz>
3300
3301         * tree-ssa-uninit.c: Apply manual changes
3302         to the GNU coding style.
3303         (prune_uninit_phi_opnds): Rename from
3304         prune_uninit_phi_opnds_in_unrealizable_paths.
3305
3306 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3307
3308         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
3309         mspace): Remove deprecated options.
3310         * doc/invoke.texi (SH options): Remove -mspace.
3311
3312 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3313
3314         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
3315
3316 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3317
3318         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
3319         corresponding combine split pattern.
3320
3321 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3322
3323         PR target/58219
3324         * config/sh/predicates.md (long_displacement_mem_operand): New.
3325         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
3326         Add movi20, movi20s alternatives.  Adjust length attribute for
3327         alternatives.
3328         (movsi_ie): Allow for any FPU.  Adjust length attribute for
3329         alternatives.
3330         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
3331         attribute for alternatives.
3332         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
3333         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
3334         length attribute for alternatives.
3335
3336 2016-05-06  Richard Biener  <rguenther@suse.de>
3337
3338         PR tree-optimization/70960
3339         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
3340
3341 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3342
3343         PR target/52933
3344         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
3345         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
3346
3347 2016-05-06  Marek Polacek  <polacek@redhat.com>
3348
3349         PR sanitizer/70875
3350         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
3351
3352 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
3353
3354         PR target/54089
3355         * config/sh/sh.md (*rotcr): Add another variant.
3356
3357 2016-05-06  Richard Biener  <rguenther@suse.de>
3358
3359         PR middle-end/70931
3360         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
3361
3362 2016-05-06  Richard Biener  <rguenther@suse.de>
3363
3364         PR middle-end/70941
3365         * fold-const.c (split_tree): Always convert to the original type
3366         before negating.
3367
3368 2016-05-06  Richard Biener  <rguenther@suse.de>
3369
3370         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
3371         (fwprop_addr): Likewise.
3372
3373 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
3374
3375         PR target/70873
3376         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
3377         New prototype.
3378         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
3379         * config/i386/i386.md (push mem splitter): Use find_constant_src in
3380         the splitter condition.
3381         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
3382         the splitter condition.
3383         (FP float_extend load splitter): Ditto.
3384
3385 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
3386
3387         * config/i386/i386.md (peehole2 patterns): Change true_regnum
3388         to REGNO in all peephole2 patterns.
3389         (post-reload splitters): Change true_regnum to REGNO in
3390         post-reload splitters.
3391         (zero_extend splitters): Use general_reg_operand and
3392         nonimmediate_gr_operand predicates.
3393
3394 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
3395
3396         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
3397         v constraint instead of x.
3398
3399 2016-05-05  Alan Modra  <amodra@gmail.com>
3400
3401         PR target/68662
3402         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
3403         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
3404         TARGET_NO_FP_IN_TOC for -mrelocatable.
3405         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
3406         TARGET_RELOCATABLE test.
3407         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3408         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3409         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3410         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3411         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3412         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
3413         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3414         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3415         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
3416         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3417         Likewise.
3418         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
3419         (rs6000_stack_info): Likewise.
3420         (rs6000_elf_asm_out_constructor): Likewise.
3421         (rs6000_elf_asm_out_destructor): Likewise.
3422         (rs6000_elf_declare_function_name): Likewise.
3423         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
3424         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
3425         Don't define.
3426
3427 2016-05-05  Alan Modra  <amodra@gmail.com>
3428
3429         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
3430
3431 2016-05-05  Alan Modra  <amodra@gmail.com>
3432
3433         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
3434         out-of-line gpr restore for one or two regs if that would add
3435         a save of lr.
3436
3437 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
3438
3439         PR target/70873
3440         * config/i386/i386.md
3441         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
3442         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
3443         as operand 0 predicate.
3444         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
3445         Ditto.
3446         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
3447         Ditto.  Emit the pattern using RTX.
3448
3449         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
3450         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
3451         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
3452         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
3453         Ditto.
3454         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
3455         sse_reg_operand as operand 0 predicate.
3456
3457         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
3458         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
3459         instead of gen_rtx_REG.
3460         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
3461         Ditto.
3462
3463 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3464
3465         * function.c (emit_use_return_register_into_block): Delete.
3466         (gen_return_pattern): Delete.
3467         (emit_return_into_block): Delete.
3468         (active_insn_between): Delete.
3469         (convert_jumps_to_returns): Delete.
3470         (emit_return_for_exit): Delete.
3471         (thread_prologue_and_epilogue_insns): Delete all code dealing with
3472         simple_return for shrink-wrapped blocks.
3473         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
3474         end of blocks that need one.
3475         (get_unconverted_simple_return): Delete.
3476         (convert_to_simple_return): Delete.
3477         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
3478         (convert_to_simple_return): Ditto.
3479
3480 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3481
3482         * cfgcleanup.c (bb_is_just_return): New function.
3483         (try_optimize_cfg): Simplify jumps to return, branches to return,
3484         and branches around return.
3485
3486 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
3487
3488         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
3489         branch to a return.
3490
3491 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3492
3493         PR c++/70906
3494         PR c++/70933
3495         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
3496         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
3497         assert flags & OEP_HASH_CHECK, instead of asserting it
3498         never happens.  Handle TARGET_EXPR.
3499         * fold-const.c (operand_equal_p): For hash verification,
3500         or in OEP_HASH_CHECK into flags.
3501
3502 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3503
3504         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
3505         comment.
3506         (compute_samebase_partition_bases): Fix typo.
3507
3508 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
3509
3510         * config/i386/sse.md (vec_interleave_highv8sf,
3511         vec_interleave_lowv8sf, vec_interleave_highv4df,
3512         vec_interleave_lowv4df): Remove constraints from expanders.
3513
3514         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
3515
3516 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3517
3518         * tree-inline.c (expand_call_inline): Fix path dealing with
3519         making lhs of call statement undefined.
3520
3521 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
3522
3523         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
3524         Check availability on NODE, too.
3525         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
3526         (cgraph_node::call_for_symbol_and_aliases): Likewise.
3527         (varpool_node::call_for_symbol_and_aliase): Likewise.
3528         * ipa-pure-const.c (add_new_function): Analyze all bodies.
3529         (propagate_pure_const): Propagate across interposable functions, too.
3530         (skip_function_for_local_pure_const): Do not skip interposable bodies
3531         with aliases.
3532         (pass_local_pure_const::execute): Update.
3533
3534 2016-05-04  Marek Polacek  <polacek@redhat.com>
3535
3536         * doc/invoke.texi: Document -Wdangling-else.
3537
3538 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3539
3540         * config.gcc: Error out when conflicting multilib is detected.  Do not
3541         loop over multilibs since no combination is legal.
3542
3543 2016-05-04  Alan Modra  <amodra@gmail.com>
3544
3545         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
3546         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
3547         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
3548         Align .toc.
3549
3550 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
3551
3552         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
3553         Clean up p5600 comments.
3554
3555 2016-05-04  Richard Biener  <rguenther@suse.de>
3556
3557         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
3558         constructor simplifications.
3559         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
3560
3561 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
3562
3563         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
3564         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
3565         result.set_rtx is null instead of aborting.
3566         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
3567         Always enable.
3568         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
3569         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
3570         *mov<mode>_store_postinc): New patterns.
3571
3572 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
3573
3574         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
3575         as commutative.  Check both conversions are NOP.
3576         ((A & B) OP (C & B)): Remove.
3577
3578 2016-05-04  Alan Modra  <amodra@gmail.com>
3579
3580         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
3581
3582 2016-05-04  Alan Modra  <amodra@gmail.com>
3583
3584         PR target/70866
3585         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
3586         when cr2,3,4 are all fixed regs.
3587
3588 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
3589
3590         PR rtl-optimization/57193
3591         * opts.c (default_options_table): Revert OPT_frename_registers change.
3592         * doc/invoke.texi (-frename-registers, -O2): Likewise.
3593
3594 2016-05-03  Martin Sebor  <msebor@redhat.com>
3595
3596         PR c++/66561
3597         * builtins.c (fold_builtin_FILE): New function.
3598         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
3599         (fold_builtin_0): Call them.
3600         * gimplify.c (gimplify_call_expr): Remove the handling of
3601         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
3602
3603         PR c++/66561
3604         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
3605         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
3606         constants.
3607
3608         PR c++/66639
3609         * doc/extend.texi (Function Names as Strings): Update __func__,
3610         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
3611         constants.
3612
3613 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3614             Richard Biener  <rguenther@suse.de>
3615
3616         PR tree-optimization/70916
3617         * tree-if-conv.c: Include cfganal.h.
3618         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
3619         and remove_fake_exit_edges around the optimization pass.
3620
3621 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
3622
3623         * cgraph.c (symbol_table::create_edge): Set inline_failed.
3624         (cgraph_edge::make_direct): Likewise.
3625         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
3626         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
3627         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
3628         (CIF_THUNK): New code.
3629         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
3630         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
3631         (compute_inline_parameters): Set inline_failed for thunks.
3632         (inline_analyze_function): Cleanup.
3633         * ipa-inline.c (can_inline_edge_p): Do not deal with
3634         call_stmt_cannot_inline_p.
3635         (can_early_inline_edge_p): Likewise.
3636         (early_inliner): Initialize inline_failed.
3637         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
3638
3639 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
3640
3641         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
3642         from nonimm_ssenomem_operand.
3643         (nonimm_ssenomem_operand): New predicate.
3644         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
3645         as operand 0 predicate.
3646         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
3647         Disable unsupported alternatives using "enabled" attribute.
3648         Use register_ssemem_operand as operand 0 predicate.
3649         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
3650
3651 2016-05-03  Marek Polacek  <polacek@redhat.com>
3652
3653         PR c/70859
3654         * input.c (expansion_point_location): New function.
3655         * input.h (expansion_point_location): Declare.
3656
3657 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
3658
3659         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
3660         occurence with frame_offset_ ones.
3661
3662 2016-05-03  Alan Modra  <amodra@gmail.com>
3663
3664         PR rtl-optimization/70890
3665         * ira.c (combine_and_move_insns): When moving def_insn, remove
3666         equivs on use_insn.
3667
3668 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
3669
3670         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
3671         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
3672         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
3673         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
3674
3675 2016-05-03  Alan Modra  <amodra@gmail.com>
3676
3677         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
3678         for SAVE_MULTIPLE/STORE_MULTIPLE.
3679
3680 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3681
3682         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
3683         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
3684
3685 2016-05-03  Richard Biener  <rguenther@suse.de>
3686
3687         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
3688         default true.
3689         (gimplify_arg): Likewise.
3690         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
3691         re-writing the result to a decl if required.
3692         (internal_get_tmp_var): Add allow_ssa parameter
3693         and override into_ssa with it.
3694         (get_formal_tmp_var): Adjust.
3695         (get_initialized_tmp_var): Add allow_ssa parameter.
3696         (gimplify_arg): Add allow_ssa parameter and avoid generating
3697         SSA names for the result false.
3698         (gimplify_call_expr): If the call may return twice do not
3699         gimplify parameters into SSA.
3700         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
3701         (gimplify_modify_expr): Adjust assert.  For noreturn calls
3702         with a SSA name LHS adjust its def.
3703         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
3704         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
3705         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
3706         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
3707         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
3708         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
3709         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
3710         (optimize_target_teams): Do not allow SSA names for clause operands.
3711         (gimplify_expr): Likewise for where we mark the result addressable.
3712         * passes.def (pass_init_datastructures): Remove.
3713         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
3714         (rewrite_stmt): Likewise.
3715         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
3716         (replace_locals_op): Replace SSA names.
3717         (copy_gimple_seq_and_replace_locals): Init src_cfun.
3718         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
3719         * cgraph.c (release_function_body): Free CFG annotations only
3720         when we have a CFG.  Simplify.
3721         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
3722         force_gimple_operand instead of get_initialized_tmp_var.
3723         * tree-pass.h (make_pass_init_datastructures): Remove.
3724         * tree-ssa.c (execute_init_datastructures): Remove.
3725         (pass_data_init_datastructures): Likewise.
3726         (class pass_init_datastructures): Likewise.
3727         (make_pass_init_datastructures): Likewise.
3728         * omp-low.c (create_omp_child_function): Init SSA data structures.
3729         (grid_expand_target_grid_body): Likewise.
3730         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
3731         name before adding it to names_to_release.
3732         (remove_bb): Always release SSA defs.
3733         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
3734         before dereferencing it.
3735         * cgraphunit.c (init_lowered_empty_function): Always
3736         int SSA data structures.
3737         * tree-ssanames.c (release_defs): Remove assert that we are in
3738         SSA form.
3739         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
3740
3741 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3742             Uros Bizjak  <ubizjak@gmail.com>
3743
3744         PR rtl-optimization/70467
3745         * config/i386/predicates.md (x86_64_hilo_int_operand,
3746         x86_64_hilo_general_operand): New predicates.
3747         * config/i386/constraints.md (Wd): New constraint.
3748         * config/i386/i386.md (mode attr di): Use Wd instead of e.
3749         (general_hilo_operand): New mode attr.
3750         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
3751         instead of <general_operand>.
3752         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
3753         x86_64_hilo_general_operand instead of <general_operand>.
3754
3755 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
3756
3757         PR tree-optimization/70916
3758         * tree-if-conv.c (constant_or_ssa_name): Removed.
3759         (fold_build_cond_expr): Use is_gimple_val instead of
3760         constant_or_ssa_name.
3761
3762         PR tree-optimization/70916
3763         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
3764         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
3765
3766         PR target/49244
3767         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
3768         (optimize_atomic_bit_test_and): New function.
3769         (pass_fold_builtins::execute): Use it.
3770         * optabs.def (atomic_bit_test_and_set_optab,
3771         atomic_bit_test_and_complement_optab,
3772         atomic_bit_test_and_reset_optab): New optabs.
3773         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
3774         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
3775         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
3776         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
3777         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
3778         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
3779         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
3780         * doc/md.texi (atomic_bit_test_and_set@var{mode},
3781         atomic_bit_test_and_complement@var{mode},
3782         atomic_bit_test_and_reset@var{mode}): Document.
3783         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
3784         atomic_bit_test_and_complement<mode>,
3785         atomic_bit_test_and_reset<mode>): New expanders.
3786         (atomic_bit_test_and_set<mode>_1,
3787         atomic_bit_test_and_complement<mode>_1,
3788         atomic_bit_test_and_reset<mode>_1): New insns.
3789
3790 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
3791
3792         PR rtl-optimization/70687
3793         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
3794         instead of unsigned HOST_WIDE_INT.
3795
3796 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
3797
3798         PR rtl-optimization/44281
3799         * hard-reg-set.h (struct target_hard_regs): New field
3800         x_fixed_nonglobal_reg_set.
3801         (fixed_nonglobal_reg_set): New macro.
3802         * reginfo.c (init_reg_sets_1): Initialize it.
3803         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
3804         of fixed_reg_set.
3805         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
3806
3807 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3808
3809         PR tree-optimization/56541
3810         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
3811         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
3812         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
3813         (any_complicated_phi): new static variable.
3814         (aggressive_if_conv): delete.
3815         (if_convertible_phi_p): support phis with more than two arguments.
3816         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
3817         critical pred edges.
3818         (ifcvt_split_critical_edges): support phis with more than two
3819         arguments by checking new parameter.  only split critical edges
3820         if needed.
3821         (tree_if_conversion): handle simd pragma marked loop using new
3822         local variable aggressive_if_conv.  check any_complicated_phi.
3823
3824 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3825
3826         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
3827         before using it.
3828
3829 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
3830
3831         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
3832         cbase.
3833
3834 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
3835
3836         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
3837         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
3838         define_insn_and_split.
3839         (mulsi3_i): New define_insn_and_split.
3840         (mulsi3_call): Convert to define_insn.
3841         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
3842         Remove constraints.
3843
3844 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3845
3846         * machmode.h (mode_complex): Add support to give the complex mode
3847         for a given mode.
3848         (GET_MODE_COMPLEX_MODE): Likewise.
3849         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
3850         stored by build_complex_type and gfc_build_complex_type instead of
3851         trying to figure out the appropriate mode based on the size. Raise
3852         an assertion error, if the type was not set.
3853         * genmodes.c (struct mode_data): Add field for the complex type of
3854         the given type.
3855         (blank_mode): Likewise.
3856         (make_complex_modes): Remember the complex mode created in the
3857         base type.
3858         (emit_mode_complex): Write out the mode_complex array to map a
3859         type mode to the complex version.
3860         (emit_insn_modes_c): Likewise.
3861         * tree.c (build_complex_type): Set the complex type to use before
3862         calling layout_type.
3863         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
3864         support for __float128 complex datatypes.
3865         (rs6000_hard_regno_mode_ok): Likewise.
3866         (rs6000_setup_reg_addr_masks): Likewise.
3867         (rs6000_complex_function_value): Likewise.
3868         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
3869         __float128 and __ibm128 complex.
3870         (FLOAT128_IBM_P): Likewise.
3871         (ALTIVEC_ARG_MAX_RETURN): Likewise.
3872         * doc/extend.texi (Additional Floating Types): Document that
3873         -mfloat128 must be used to enable __float128.  Document complex
3874         __float128 and __ibm128 support.
3875
3876 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
3877
3878         PR target/49244
3879         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
3880         char/short arguments promoted to int because of promote_prototypes.
3881
3882 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
3883
3884         * config/i386/predicates.md (register_ssemem_operand): New predicate.
3885         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
3886         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
3887         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
3888         alternatives using "enabled" attribute.  Use register_ssemem_operand
3889         as operand 1 predicate.
3890         (*cmpi<unord>xf_i387): Split XFmode pattern from
3891         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
3892         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
3893         *absneg<mode>2_i387.  Disable unsupported alternatives using
3894         "enabled" attribute.
3895         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
3896
3897 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3898
3899         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
3900         marker.
3901         (oacc_loop_process): Check mask for loop termination.
3902
3903 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
3904
3905         * cif-code.def (CIF_THUNK): Add.
3906         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
3907         accidental change.
3908
3909 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
3910
3911         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
3912         (dump_inline_summary): Dump it.
3913         (fp_expression_p): New predicate.
3914         (estimate_function_body_sizes): Use it.
3915         (inline_merge_summary): Merge fp_expressions.
3916         (inline_read_section): Read fp_expressions.
3917         (inline_write_summary): Write fp_expressions.
3918         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
3919         codegen boundary if either caller or callee is !fp_expressions.
3920         * ipa-inline.h (inline_summary): Add fp_expressions.
3921         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
3922         to fp_expressions be sure the fp generation flags are updated.
3923
3924 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
3925
3926         PR rtl-optimization/70467
3927         * cse.c (cse_insn): Handle no-op MEM moves after folding.
3928
3929         PR rtl-optimization/70467
3930         * ipa-pure-const.c (check_call): Handle internal calls even in
3931         ipa mode like in local mode.
3932
3933 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3934
3935         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
3936
3937 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
3938
3939         * match.pd (X u< X, X u> X): New transformations.
3940
3941 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
3942
3943         * flag-types.h (enum warn_strict_overflow_code): Move ...
3944         * coretypes.h: ... here.
3945         * fold-const.h (fold_overflow_warning): Declare.
3946         * fold-const.c (fold_overflow_warning): Make non-static.
3947         (fold_comparison): Move the transformation of X +- C1 CMP C2
3948         into X CMP C2 -+ C1 ...
3949         * match.pd: ... here.
3950         * gimple-fold.c (fold_stmt_1): Protect with
3951         fold_defer_overflow_warnings.
3952
3953 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3954
3955         * omp-low.c (struct oacc_loop): Add 'inner' field.
3956         (new_oacc_loop_raw): Initialize it to zero.
3957         (oacc_loop_fixed_partitions): Initialize it.
3958         (oacc_loop_auto_partitions): Partition outermost loop to outermost
3959         available partitioning.
3960
3961 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
3962
3963         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
3964         register_operand.
3965         (umulsidi3): Likewise.
3966         (indirect_jump): Fix jump instruction assembly patterns.
3967
3968 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
3969
3970         PR target/70860
3971         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
3972         (nvptx_function_value): Assert non-NULL cfun.
3973
3974 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
3975
3976         PR rtl-optimization/70886
3977         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
3978
3979         * cselib.h (rtx_equal_for_cselib_1): Declare.
3980         (rtx_equal_for_cselib_p: New inline function.
3981         * cselib.c (rtx_equal_for_cselib_p): Delete.
3982         (rtx_equal_for_cselib_1): Make public.
3983
3984 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
3985
3986         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
3987         (register_mixssei387nonimm_operand): Remove predicate.
3988         * config/i386/i386.md (*fop_<mode>_comm): Merge from
3989         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
3990         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
3991         for TARGET_MIX_SSE_I387 alternatives.
3992         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
3993         Disable unsupported alternatives using "enabled" attribute.  Use
3994         nonimm_ssenomem_operand as operand 1 predicate.  Also check
3995         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
3996
3997 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
3998
3999         * tree.c (cst_and_fits_in_hwi): Simplify.
4000
4001 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4002
4003         * tree.h (wi::to_wide): New function.
4004         * expr.c (expand_expr_real_1): Use wi::to_wide.
4005         * fold-const.c (int_const_binop_1): Likewise.
4006         (extract_muldiv_1): Likewise.
4007
4008 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4009
4010         * wide-int.h: Update offset_int and widest_int documentation.
4011         (WI_SIGNED_SHIFT_RESULT): New macro.
4012         (wi::binary_shift): Define signed_shift_result_type for
4013         shifts on offset_int- and widest_int-like types.
4014         (generic_wide_int): Support <<= and >>= if << and >> are supported.
4015         * tree.h (int_bit_position): Use shift operators instead of wi::
4016          shifts.
4017         * alias.c (adjust_offset_for_component_ref): Likewise.
4018         * expr.c (get_inner_reference): Likewise.
4019         * fold-const.c (fold_comparison): Likewise.
4020         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
4021         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
4022         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4023         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
4024         (stmt_kills_ref_p): Likewise.
4025         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
4026         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
4027         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4028         (ao_ref_init_from_vn_reference): Likewise.
4029
4030 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
4031
4032         * wide-int.h: Update offset_int and widest_int documentation.
4033         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
4034         (wi::binary_traits): Allow ordered comparisons between offset_int and
4035         offset_int, between widest_int and widest_int, and between either
4036         of these types and basic C types.
4037         (operator <, <=, >, >=): Define for the same combinations.
4038         * tree.h (tree_int_cst_lt): Use comparison operators instead
4039         of wi:: comparisons.
4040         (tree_int_cst_le): Likewise.
4041         * gimple-fold.c (fold_array_ctor_reference): Likewise.
4042         (fold_nonarray_ctor_reference): Likewise.
4043         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
4044         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
4045         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
4046         * tree-sra.c (completely_scalarize): Likewise.
4047         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
4048         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
4049         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
4050         (check_for_binary_op_overflow): Likewise.
4051         (search_for_addr_array): Likewise.
4052         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
4053
4054 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4055
4056         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
4057         (arc_save_restore): Likewise.
4058         (arc_dwarf_register_span): Likewise.
4059         (arc_output_pic_addr_const): Initialize suffix variable.
4060
4061 2016-05-02  Martin Liska  <mliska@suse.cz>
4062
4063         * symbol-summary.h (function_summary::function_summary):
4064         Remove checking assert for all cgraph nodes.
4065         (function_summary::get): Check summary_uid.
4066         (symtab_insertion): Check summary_uid.
4067
4068 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
4069
4070         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
4071         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
4072         bmaskn instruction.
4073         (arc_dwarf_register_span): Remove enum keyword.
4074         (compact_memory_operand_p): New function.
4075         * config/arc/arc.h (reg_class): Add code density register classes.
4076         (REG_CLASS_NAMES): Likewise.
4077         (REG_CLASS_CONTENTS): Likewise.
4078         * config/arc/arc.md (*movqi_insn): Add code density instructions.
4079         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
4080         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
4081         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
4082         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
4083         constraints.
4084         (h, Rcd, Rsd, Rzd): New register constraints.
4085         (T): Use compact_memory_operand_p function.
4086         * config/arc/predicates.md (compact_load_memory_operand): Remove.
4087
4088 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4089
4090         * config/sh/sh.md (*negnegt, *movtt): Remove.
4091
4092 2016-05-02  Marek Polacek  <polacek@redhat.com>
4093             Tom de Vries  <tom@codesourcery.com>
4094
4095         PR tree-optimization/70700
4096         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
4097         bigger than FIRST_REF_NODE.
4098
4099 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
4100
4101         PR target/52898
4102         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
4103         TARGET_CMPEQDI_T.
4104         (prepare_cbranch_operands): Don't use scratch register.  Assume that
4105         function is used when pseudos can be created.
4106         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
4107         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
4108         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
4109         define_expand.  Allow it only when pseudos can be created.
4110         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
4111
4112 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
4113
4114         * config/i386/constraints.md (BC): Only allow -1 operands.
4115         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
4116         Add "enabled" attribute.  Update XI mode attribute calculation.
4117         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
4118         (*movoi_internal_avx): Update XI mode attribute calculation.
4119         (*movti_internal): Ditto.
4120
4121 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4122
4123         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
4124         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
4125
4126 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
4127
4128         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
4129         statement on instruction code.  Remove trailing spaces.
4130         (altivec_expand_stv_builtin): Likewise.
4131
4132 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4133
4134         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
4135         (TARGET_FPU_DOUBLE): Simplify.
4136         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
4137         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
4138         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
4139         with 'TARGET_FPU_DOUBLE'.
4140         * config/sh/sh.md: Likewise.
4141
4142 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
4143
4144         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
4145         SH_DIV_STR_FOR_SIZE): Remove.
4146         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
4147         SH_DIV_STR_FOR_SIZE): Remove.
4148
4149 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
4150
4151         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
4152         logical_reg_operand): Delete.
4153         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
4154         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
4155         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
4156         match_operand and match_test.
4157         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
4158         variables on their first use.  Return bool values.
4159         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
4160         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
4161         arith_reg_operand for input operand.  Remove empty constraints.
4162         (xorsi3): Delete.
4163         (*xorsi3_compact): Rename to xorsi3.
4164         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
4165         (*zero_extend<mode>si2_disp_mem): Update comment.
4166         (mov_nop): Delete.
4167
4168 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4169
4170         * config/sh/t-sh: Remove SH5 support.
4171         * config.gcc: Likewise.
4172         * configure: Likewise.
4173
4174 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4175
4176         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
4177
4178 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
4179
4180         * config/sh/sh.c (register_sh_passes, sh_option_override,
4181         sh_print_operand, prepare_move_operands,
4182         sh_can_follow_jump): Remove TARGET_SH1 checks.
4183         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
4184         PROMOTE_MODE): Likewise.
4185         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
4186         movdi): Likewise.
4187
4188 2016-04-30  Alan Modra  <amodra@gmail.com>
4189
4190         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
4191         restoring when fixed_reg_p, but allow out-of-line or stmw save.
4192         Check for user regs later to avoid unnecessary looping over regs.
4193         Merge user reg check with non-saved reg check.  Don't force
4194         inline VR restore when static chain used.
4195         (rs6000_frame_related): Omit eh_frame info for user regs when
4196         saving.
4197         (fixed_regs_p): Delete.
4198
4199 2016-04-30  Alan Modra  <amodra@gmail.com>
4200
4201         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
4202         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
4203         Update all uses.
4204
4205 2016-04-30  Alan Modra  <amodra@gmail.com>
4206
4207         PR target/69645
4208         * config/rs6000/rs6000.c (fixed_reg_p): New function.
4209         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
4210         Update all uses.
4211
4212 2016-04-30  Alan Modra  <amodra@gmail.com>
4213
4214         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4215         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
4216         flag_pic test for Darwin.
4217
4218 2016-04-30  Alan Modra  <amodra@gmail.com>
4219
4220         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
4221         throw_calls_crossed.
4222         (REG_FREQ_CALLS_CROSSED): Delete.
4223         (REG_N_THROWING_CALLS_CROSSED): Delete.
4224         * regstat.c (regstat_bb_compute_ri): Don't calculate
4225         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
4226         (dump_reg_info): Don't print call cross frequency.
4227         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
4228         and REG_N_THROWING_CALLS_CROSSED.
4229
4230 2016-04-30  Alan Modra  <amodra@gmail.com>
4231
4232         * regs.h (struct reg_info_t): Delete live_length.
4233         (REG_LIVE_LENGTH): Delete macro.
4234         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
4235         local_live, local_processed and local_live_last_luid params.
4236         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
4237         Formatting fixes.
4238         (regstat_compute_ri): Adjust for above.  Don't set
4239         REG_LIVE_LENGTH.
4240         (dump_reg_info): Don't print live length.
4241         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
4242         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
4243         Localize loop_depth var.
4244
4245 2016-04-30  Alan Modra  <amodra@gmail.com>
4246
4247         * ira.c (enum valid_equiv): New.
4248         (validate_equiv_mem): Return enum.
4249         (update_equiv_mem): Create replacement in more cases.
4250         (add_store_equivs): Update validate_equiv_mem call.
4251
4252 2016-04-30  Alan Modra  <amodra@gmail.com>
4253
4254         * ira.c (combine_and_move_insns): Rather than scanning insns,
4255         use DF infrastucture to find use and def insns.
4256
4257 2016-04-30  Alan Modra  <amodra@gmail.com>
4258
4259         ira.c (combine_and_move_insns): Move invariant conditions..
4260         (ira.c): ..to here.  Call combine_and_move_insns before
4261         add_store_equivs.  Call grow_reg_equivs later.  Allocate
4262         req_equiv later using max_reg_num() rather than global max_regno.
4263         (contains_replace_regs): Delete.
4264         (add_store_equivs): Remove contains_replace_regs test.
4265
4266 2016-04-30  Alan Modra  <amodra@gmail.com>
4267
4268         * ira.c (struct equiv_mem_data): New.
4269         (equiv_mem, equiv_mem_modified): Delete static vars.
4270         (validate_equiv_mem_from_store): Use "data" param to communicate..
4271         (validate_equiv_mem): ..from here.
4272
4273 2016-04-30  Alan Modra  <amodra@gmail.com>
4274
4275         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
4276         split out from..
4277         (update_reg_equivs): ..here.  Move allocation and freeing of
4278         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
4279         end_alias_analysis to..
4280         (ira): ..here.
4281
4282 2016-04-30  Alan Modra  <amodra@gmail.com>
4283
4284         * ira.c (pdx_subregs): Delete.
4285         (struct equivalence): Add pdx_subregs field.
4286         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
4287         pdx_subregs access.
4288         (update_equiv_regs): Don't create or free pdx_subregs.  Update
4289         pdx_subregs access.
4290
4291 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4292
4293         * config/rs6000/altivec.h: Change definitions of vec_xl and
4294         vec_xst.
4295         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
4296         (LD_ELEMREV_V2DI): New.
4297         (LD_ELEMREV_V4SF): New.
4298         (LD_ELEMREV_V4SI): New.
4299         (LD_ELEMREV_V8HI): New.
4300         (LD_ELEMREV_V16QI): New.
4301         (ST_ELEMREV_V2DF): New.
4302         (ST_ELEMREV_V2DI): New.
4303         (ST_ELEMREV_V4SF): New.
4304         (ST_ELEMREV_V4SI): New.
4305         (ST_ELEMREV_V8HI): New.
4306         (ST_ELEMREV_V16QI): New.
4307         (XL): New.
4308         (XST): New.
4309         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4310         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
4311         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
4312         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
4313         (altivec_expand_builtin): Add handling for
4314         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
4315         (rs6000_invalid_builtin): Add error-checking for
4316         RS6000_BTM_P9_VECTOR.
4317         (altivec_init_builtins): Define builtins used to implement vec_xl
4318         and vec_xst.
4319         (rs6000_builtin_mask_names): Define power9-vector.
4320         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
4321         (RS6000_BTM_P9_VECTOR): Define.
4322         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
4323         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
4324         (vsx_ld_elemrev_v2df): Likewise.
4325         (vsx_ld_elemrev_v4sf): Likewise.
4326         (vsx_ld_elemrev_v4si): Likewise.
4327         (vsx_ld_elemrev_v8hi): Likewise.
4328         (vsx_ld_elemrev_v16qi): Likewise.
4329         (vsx_st_elemrev_v2df): Likewise.
4330         (vsx_st_elemrev_v2di): Likewise.
4331         (vsx_st_elemrev_v4sf): Likewise.
4332         (vsx_st_elemrev_v4si): Likewise.
4333         (vsx_st_elemrev_v8hi): Likewise.
4334         (vsx_st_elemrev_v16qi): Likewise.
4335         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
4336         grammar.
4337
4338 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
4339
4340         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
4341         out into ...
4342         (simplify_control_stmt_condition_1): ... here.  Recurse into
4343         BIT_AND_EXPRs and BIT_IOR_EXPRs.
4344
4345 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
4346
4347         PR target/69810
4348         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
4349         (zero_extendqi<mode>2_dot): Revert earlier conversion from
4350         define_insn_and_split to define_insn.
4351         (zero_extendqi<mode>2_dot2): Same.
4352         (extendqi<mode>2_dot): Same.
4353         (extendqi<mode>2_dot2): Same.
4354
4355 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4356
4357         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
4358         (probe_stack): New expander.
4359         (probe_stack_<mode>): New insn pattern.
4360
4361 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4362
4363         * config/i386/i386.md
4364         (operations with memory inputs setting flags peephole2):
4365         Remove uneeded REG_P checks.  Cleanup pattern generation.
4366
4367 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
4368
4369         * tree-vect-loop.c (vect_transform_loop): Fix
4370         nb_iterations_upper_bound computation for vectorized loop.
4371
4372 2016-04-29  Marek Polacek  <polacek@redhat.com>
4373             Jakub Jelinek  <jakub@redhat.com>
4374
4375         PR sanitizer/70342
4376         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
4377         TARGET_EXPR_SLOT as a base.
4378
4379 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
4380
4381         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
4382         with 'rCm2' constraints to limit possible immediate size.
4383         (*load_zeroextendqisi_update): Likewise.
4384         (*load_signextendqisi_update): Likewise.
4385         (*loadhi_update): Likewise.
4386         (*load_zeroextendhisi_update): Likewise.
4387         (*load_signextendhisi_update): Likewise.
4388         (*loadsi_update): Likewise.
4389         (*loadsf_update): Likewise.
4390
4391 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4392
4393         * config/i386/predicates.md (constm1_operand): Fix comparison.
4394
4395 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4396
4397         * testsuite/gcc.target/arc/ieee_eq.c: New test.
4398
4399 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
4400
4401         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
4402         remaining SH5 related settings.
4403         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
4404         shmedia_prepare_call_address): Delete.
4405         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
4406         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
4407         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
4408         UNSUPPORTED_SH2A): Remove m5 checks.
4409         (sh_divide_strategy_e): Remove SH5 division strategies.
4410         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
4411         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
4412
4413 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
4414
4415         * config/s390/s390.c (s390_rtx_costs): Update documentation.
4416
4417 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4418
4419         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
4420         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
4421         Change lder to ldr.
4422         * config/s390/vector.md ("mov<mode>"): Likewise.
4423
4424 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
4425
4426         * config/s390/constraints.md ("U", "W"): Invoke
4427         s390_mem_constraint with "ZR" and "ZT".
4428         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
4429         addresses when using LRA.  Accept also short displacements for S
4430         and T constraints.  Do not check for long displacement target for
4431         S and T constraints.
4432         (s390_mem_constraint): Remove handling of U and W constraints.
4433         * config/s390/s390.md (various patterns): Remove the short
4434         displacement constraints (Q and R) if a long displacement
4435         constraint is present.  Add longdisp as required CPU capability.
4436         * config/s390/vector.md: Likewise.
4437         * config/s390/vx-builtins.md: Likewise.
4438
4439 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
4440
4441         PR target/60040
4442         * reload1.c (reload): Call finish_spills before
4443         restarting reload loop. Skip select_reload_regs
4444         if update_eliminables_and_spill returns true.
4445
4446 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
4447
4448         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
4449         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
4450         (umulhisi3_imm): Update predicates and constraint letters.
4451         (umulhisi3_reg): Declare instruction as commutative.
4452         * config/arc/constraints.md (J12, J16): New constraints.
4453         * config/arc/predicates.md (short_unsigned_const_operand): New
4454         predicate.
4455         (arc_short_operand): Likewise.
4456         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
4457
4458 2016-04-29  Richard Biener  <rguenther@suse.de>
4459
4460         PR tree-optimization/13962
4461         PR tree-optimization/65686
4462         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
4463         * tree-ssa-alias.c (ptrs_compare_unequal): New function
4464         using PTA to compare pointers.
4465         * match.pd: Add pattern for pointer equality compare simplification
4466         using ptrs_compare_unequal.
4467
4468 2016-04-29  Richard Biener  <rguenther@suse.de>
4469
4470         * stor-layout.c (layout_type): Do not build a pointer-to-element
4471         type for arrays.
4472
4473 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
4474
4475         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
4476         Use SWI mode iterator.  Use general_reg_operand predicate.
4477         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
4478         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
4479         predicates.
4480
4481 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
4482
4483         PR middle-end/70843
4484         * fold-const.c (operand_equal_p): Don't verify hash value equality
4485         if arg0 == arg1.
4486         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
4487         and OMP_CLAUSE.
4488
4489 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4490
4491         PR target/70858
4492         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
4493         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
4494         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
4495         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
4496         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
4497
4498 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4499
4500         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
4501         to info.  Don't initialize separate fields to 0.  Clean up
4502         formatting a bit.
4503
4504 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4505
4506         * config/i386/i386.md (peephole2s for operations with memory inputs):
4507         Use SWI mode iterator.
4508         (peephole2s for operations with memory outputs): Ditto.
4509         Do not check for stack checking probe.
4510
4511         (probe_stack): Remove expander.
4512
4513 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4514             Andrew Burgess  <andrew.burgess@embecosm.com>
4515
4516         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
4517         operands as 32-bits.
4518
4519 2016-04-28  Jason Merrill  <jason@redhat.com>
4520
4521         * gdbinit.in: Skip line-map.h.
4522
4523 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4524             Andrew Burgess  <andrew.burgess@embecosm.com>
4525
4526         * config/arc/arc.c (arc_conditional_register_usage): Take
4527         TARGET_RRQ_CLASS into account.
4528         (arc_print_operand): Support printing 'p' and 's' operands.
4529         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
4530         as 0.
4531         (TARGET_RRQ_CLASS): Define.
4532         (IS_POWEROF2_OR_0_P): Define.
4533         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
4534         alternatives.
4535         (*tst_movb): New define_insn.
4536         (*tst): Avoid recognition if it could prevent '*tst_movb'
4537         combination; replace c/CnL with c/Chs alternative.
4538         (*tst_bitfield_tst): New define_insn.
4539         (*tst_bitfield_asr): New define_insn.
4540         (*tst_bitfield): New define_insn.
4541         (andsi3_i): Add Rrq variant.
4542         (extzv): New define_expand.
4543         (insv): New define_expand.
4544         (*insv_i): New define_insn.
4545         (*movb): New define_insn.
4546         (*movb_signed): New define_insn.
4547         (*movb_high): New define_insn.
4548         (*movb_high_signed): New define_insn.
4549         (*movb_high_signed + 1): New define_split pattern.
4550         (*mrgb): New define_insn.
4551         (*mrgb + 1): New define_peephole2 pattern.
4552         (*mrgb + 2): New define_peephole2 pattern.
4553         * config/arc/arc.opt (mbitops): New option for nps400, uses
4554         TARGET_NPS_BITOPS_DEFAULT.
4555         * config/arc/constraints.md (q): Make register class conditional.
4556         (Rrq): New register constraint.
4557         (Chs): New constraint.
4558         (Clo): New constraint.
4559         (Chi): New constraint.
4560         (Cbf): New constraint.
4561         (Cbn): New constraint.
4562         (C18): New constraint.
4563         (Cbi): New constraint.
4564
4565 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4566
4567         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
4568         dst->popcount.
4569         (bitmap_intersection_of_preds): Ditto.
4570         (bitmap_union_of_succs): Ditto.
4571         (bitmap_union_of_preds): Ditto.
4572         * sbitmap.c (do_popcount): Delete.
4573         (BITMAP_DEBUGGING): Delete.
4574         (sbitmap_verify_popcount): Delete.
4575         (sbitmap_alloc): Don't initialize the popcount field.
4576         (sbitmap_alloc_with_popcount): Delete.
4577         (sbitmap_resize): Don't resize the popcount array.
4578         (sbitmap_vector_alloc): Don't initialize the popcount field.
4579         (bitmap_copy): Don't copy the popcount array.
4580         (bitmap_clear): Don't clear the popcount array.
4581         (bitmap_clear): Delete the popcount array handling.
4582         (bitmap_ior_and_compl): Delete the popcount assert.
4583         (bitmap_not): Ditto.
4584         (bitmap_and_compl): Ditto.
4585         (bitmap_and): Delete the popcount array handling.
4586         (bitmap_xor): Ditto.
4587         (bitmap_ior): Ditto.
4588         (bitmap_or_and): Delete the popcount assert.
4589         (bitmap_and_or): Ditto.
4590         (popcount_table): Delete.
4591         (sbitmap_elt_popcount): Delete.
4592         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
4593         (bitmap_set_bit): Delete the popcount assert.
4594         (bitmap_clear_bit): Ditto.
4595         (sbitmap_free): Don't free the popcount array.
4596         (sbitmap_alloc_with_popcount): Delete declaration.
4597         (sbitmap_popcount): Ditto.
4598
4599 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4600             Andrew Burgess  <andrew.burgess@embecosm.com>
4601
4602         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
4603         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
4604         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
4605         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
4606         * config/arc/arc.opt (mcmem): New option.
4607         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
4608         supply length for r/m alternative.
4609         (*extendqisi2_ac): Likewise.
4610         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
4611         r/Uex alternative.
4612         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
4613         (movhi_insn): Likewise.
4614         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
4615         (*zero_extendqihi2_i): Add r/Ucm alternative.
4616         (*zero_extendqisi2_ac): Likewise.
4617         (*zero_extendhisi2_i): Likewise.
4618         * config/arc/constraints.md (Uex): New memory constraint.
4619         (Ucm): New define_constraint.
4620         * config/arc/predicates.md (long_immediate_loadstore_operand):
4621         Return 0 for MEM with cmem_address address.
4622         (cmem_address_0): New predicates.
4623         (cmem_address_1): Likewise.
4624         (cmem_address_2): Likewise.
4625         (cmem_address): Likewise.
4626
4627 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4628
4629         * config/rs6000/rs6000.c (machine_function): Rename
4630         insn_chain_scanned_p to spe_insn_chain_scanned_p.
4631         (rs6000_stack_info): Adjust.
4632
4633 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
4634             Andrew Burgess  <andrew.burgess@embecosm.com>
4635
4636         * config/arc/constraints.md (Usd): Convert to define_constraint.
4637         (Us<): Likewise.
4638         (Us>): Likewise.
4639
4640 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4641
4642         PR target/70821
4643         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
4644         Add new peephole2 where the first insn is *mov<mode>_or instead of
4645         *mov<mode>_internal.
4646
4647 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
4648
4649         * tracer.c (bb_seen): Make static.
4650
4651 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
4652
4653         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
4654         support, setup defaults.
4655         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
4656         * config/arc/arc.c (arc_init): Add NPS400 support.
4657         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
4658         (TARGET_ARC700): NPS400 is also an ARC700.
4659         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
4660
4661 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
4662
4663         PR target/70668
4664         * config/nds32/nds32.md (casesi): Don't access the operands array
4665         out of bounds.
4666
4667 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4668
4669         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
4670         (or $-1,reg peephole2): Ditto.
4671         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
4672
4673 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
4674
4675         * doc/extend.texi (Common Function Attributes) [optimize]:
4676         Discourage use of the optimize attribute.
4677
4678 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
4679
4680         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
4681         special case builtin.
4682         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
4683         ALTIVEC_BUILTIN_VEC_ADDE.
4684         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
4685         support for ALTIVEC_BUILTIN_VEC_ADDE.
4686         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
4687         for __builtin_vec_adde.
4688
4689 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
4690
4691         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
4692         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
4693
4694 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4695
4696         PR testsuite/70595
4697         * doc/sourcebuild.texi (Effective-Target Keywords, Other
4698         attributes): Document cilkplus_runtime.
4699
4700 2016-04-28  Martin Jambor  <mjambor@suse.cz>
4701
4702         * tree-cfg.c (verify_expr): Verify that local declarations belong to
4703         this function.  Call verify_expr on MEM_REFs and bases of other
4704         handled_components.
4705
4706 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4707
4708         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
4709         for WORD_REGISTER_OPERATIONS to runtime check.
4710
4711 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4712
4713         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
4714
4715 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4716
4717         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
4718         big-endian compilation.
4719         * config/arc/arc.md (addf3): Likewise.
4720         (subdf3): Likewise.
4721         (muldf3): Likewise.
4722
4723 2016-04-28  Richard Biener  <rguenther@suse.de>
4724
4725         PR tree-optimization/70840
4726         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
4727         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
4728         Mark x * pow(x,c) -> pow(x,c+1) commutative.
4729         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
4730
4731 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4732
4733         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
4734         and explain why in a comment.
4735
4736 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4737
4738         * config/arc/arc.md (cpu_facility): Add fpx variant.
4739         (subdf3): Prohibit use reverse sub when assist operations option
4740         is enabled.
4741         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
4742         instructions only when FPX is enabled.
4743         * testsuite/gcc.target/arc/trsub.c: New test.
4744
4745 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4746
4747         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
4748         mult_operator when calculating "type" attribute.
4749         (*fop_<mode>_1_i387): Ditto.
4750         (*fop_xf_1_i387): Ditto.
4751         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
4752         Use std::swap to swap operands.  Use RTL expressions to generate
4753         converted pattern.
4754
4755 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4756             Joern Rennecke  <joern.rennecke@embecosm.com>
4757
4758         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
4759         declaration.
4760         (emit_pic_move): Remove.
4761         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
4762         * config/arc/arc.c (emit_pic_move): Removed.
4763         (TARGET_HAVE_TLS): Define.
4764         (arc_conditional_register_usage): Test for arc_tp_regno.
4765         (arc_print_operand, arc_print_operand_address): Handle TLS
4766         unspecs.
4767         (arc_needs_pcl_p): New function.
4768         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
4769         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
4770         (arc_raw_symbolic_reference_mentioned_p): Likewise.
4771         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
4772         (arc_legitimize_tls_address): Likewise.
4773         (DTPOFF_ZERO_SYM): Define.
4774         (arc_legitimize_pic_address): Make it static, handle TLS cases.
4775         (arc_output_pic_addr_const): Print TLS unspecs.
4776         (prepare_pic_move): New function, replaces emit_pic_move.
4777         (arc_legitimate_constant_p): Handle TLS unspecs.
4778         (arc_legitimate_address_p): Likewise.
4779         (arc_rewrite_small_data_p): Use assert for TLS constants.
4780         (prepare_move_operands): Use prepare_pic_move.
4781         (arc_legitimize_address): Legitimize tls addresses.
4782         (arc_epilogue_uses): Check for arc_tp_regno.
4783         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
4784         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
4785         Define.
4786         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
4787         Likewise.
4788         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
4789         %(arc_tls_extra_start_spec).
4790         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
4791         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
4792         (EH_USES): Define.
4793         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
4794         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
4795         (UNSPEC_TLS_OFF): Add.
4796         (R10_REG): Define.
4797         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
4798         (get_thread_pointersi): New patterns.
4799         * config/arc/arc.opt (mtp-regno): New option.
4800         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
4801         (move_dest_operand): Likewise.
4802         * configure: Regenerate.
4803         * configure.ac: Add arc*-*-* case to test for tls.
4804         * doc/invoke.texi (ARC options): Document mtp-regno.
4805
4806 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
4807
4808         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
4809         the new ARC HS SIMD instructions.
4810         (arc_preferred_simd_mode): New function.
4811         (arc_autovectorize_vector_sizes): Likewise.
4812         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
4813         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
4814         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
4815         (arc_init_builtins): Add new SIMD builtin types.
4816         (arc_split_move): Handle 64 bit vector moves.
4817         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
4818         (TARGET_PLUS_QMACW): Define.
4819         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
4820         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
4821         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
4822         (VSUBADD4H): New builtins.
4823         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
4824         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
4825
4826 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
4827             Matthias Klose  <doko@debian.org>
4828
4829         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
4830
4831 2016-04-28  Richard Biener  <rguenther@suse.de>
4832
4833         PR middle-end/70777
4834         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
4835         canonicalization.
4836
4837 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
4838
4839         * common/config/sh/sh-common.c: Remove SH5 support.
4840         * config/sh/constraints.md: Likewise.
4841         * config/sh/config/sh/elf.h: Likewise.
4842         * config/sh/linux.h: Likewise.
4843         * config/sh/netbsd-elf.h: Likewise.
4844         * config/sh/predicates.md: Likewise.
4845         * config/sh/sh-c.c: Likewise.
4846         * config/sh/sh-protos.h: Likewise.
4847         * config/sh/sh.c: Likewise.
4848         * config/sh/sh.h: Likewise.
4849         * config/sh/sh.md: Likewise.
4850         * config/sh/sh.opt: Likewise.
4851         * config/sh/sync.md: Likewise.
4852         * config/sh/sh64.h: Delete.
4853         * config/sh/shmedia.h: Likewise.
4854         * config/sh/shmedia.md: Likewise.
4855         * config/sh/sshmedia.h: Likewise.
4856         * config/sh/t-netbsd-sh5-64: Likewise.
4857         * config/sh/t-sh64: Likewise.
4858         * config/sh/ushmedia.h: Likewise.
4859
4860 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
4861
4862         * config/i386/i386.md (sign_extend to memory peephole2s): Use
4863         general_reg_operand instead of register_operand predicate.
4864
4865 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4866
4867         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
4868
4869 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
4870
4871         * match.pd (A - B > A, A + B < A): New transformations.
4872
4873 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
4874
4875         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
4876         which defaults to true.  Emit an outer pair of parentheses only if
4877         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
4878         don't emit parentheses for the right-hand operand.
4879
4880 2016-04-27  Jeff Law  <law@redhat.com>
4881
4882         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
4883
4884 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4885
4886         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
4887         (altivec_lvx_<mode>_internal): Document.
4888         (altivec_lvx_<mode>_2op): New define_insn.
4889         (altivec_lvx_<mode>_1op): Likewise.
4890         (altivec_lvx_<mode>_2op_si): Likewise.
4891         (altivec_lvx_<mode>_1op_si): Likewise.
4892         (altivec_stvx_<mode>): Remove.
4893         (altivec_stvx_<mode>_internal): Document.
4894         (altivec_stvx_<mode>_2op): New define_insn.
4895         (altivec_stvx_<mode>_1op): Likewise.
4896         (altivec_stvx_<mode>_2op_si): Likewise.
4897         (altivec_stvx_<mode>_1op_si): Likewise.
4898         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4899         Expand vec_ld and vec_st during parsing.
4900         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
4901         changes.
4902         (altivec_expand_stvx_be): Likewise.
4903         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
4904         address-masking behavior in RTL.
4905         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
4906         address-masking behavior in RTL.
4907         (altivec_expand_builtin): Change builtin code arguments for calls
4908         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
4909         (insn_is_swappable_p): Avoid incorrect swap optimization in the
4910         presence of lvx/stvx patterns.
4911         (alignment_with_canonical_addr): New function.
4912         (alignment_mask): Likewise.
4913         (find_alignment_op): Likewise.
4914         (recombine_lvx_pattern): Likewise.
4915         (recombine_stvx_pattern): Likewise.
4916         (recombine_lvx_stvx_patterns): Likewise.
4917         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
4918         stvx patterns from expand.
4919         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
4920         expansions.
4921         (vector_altivec_store_<mode>): Likewise.
4922
4923 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
4924
4925         * config/aarch64/aarch64.md
4926         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
4927         remove the "fp" attributes.
4928         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
4929         add the "simd" attributes.
4930         (*movdf_aarch64): Likewise.
4931         (*movtf_aarch64): Remove the "fp" attributes.
4932         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
4933         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
4934
4935 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4936
4937         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
4938         rtx to rtx_code_label *.
4939         * rtl.h (maybe_set_first_label_num): Likewise.
4940
4941 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4942
4943         * df-core.c (df_add_problem): Make the problem param be const.
4944         (df_remove_problem): Make local "problem" be const.
4945         * df-problems.c (problem_RD): Make const.
4946         (problem_LR): Likewise.
4947         (problem_LIVE): Likewise.
4948         (problem_MIR): Likewise.
4949         (problem_CHAIN): Likewise.
4950         (problem_WORD_LR): Likewise.
4951         (problem_NOTE): Likewise.
4952         (problem_MD): Likewise.
4953         * df-scan.c (problem_SCAN): Likewise.
4954         * df.h (struct df_problem): Make field "dependent_problem" be
4955         const.
4956         (struct dataflow): Likewise for field "problem".
4957         (df_add_problem): Make param const.
4958
4959 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
4960
4961         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
4962         inter-unit moves to/from vector registers are enabled.  Do not disable
4963         for TARGET_MMX.
4964
4965 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4966
4967         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
4968         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
4969         #define to...
4970         (enum df_problem_id): ...this new enum.
4971         (struct df_problem): Convert field "id" from "int" to
4972         enum df_problem_id.
4973
4974 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
4975
4976         * rtl.def: Update comment for "things in the instruction chain" to
4977         reflect the removal of the leading "i" field for INSN_UID in
4978         r210360.  Fix bogus apostrophe.
4979
4980 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
4981
4982         * config/i386/i386.md
4983         (lea arith with mem operand + setcc peephole2): Set operator mode.
4984
4985 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4986
4987         PR target/70155
4988         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
4989         (dimode_scalar_to_vector_candidate_p): This.
4990         (timode_scalar_to_vector_candidate_p): New function.
4991         (scalar_to_vector_candidate_p): Likewise.
4992         (timode_check_non_convertible_regs): Likewise.
4993         (timode_remove_non_convertible_regs): Likewise.
4994         (remove_non_convertible_regs): Likewise.
4995         (remove_non_convertible_regs): Renamed to ...
4996         (dimode_remove_non_convertible_regs): This.
4997         (scalar_chain::~scalar_chain): Make it virtual.
4998         (scalar_chain::compute_convert_gain): Make it pure virtual.
4999         (scalar_chain::mark_dual_mode_def): Likewise.
5000         (scalar_chain::convert_insn): Likewise.
5001         (scalar_chain::convert_registers): Likewise.
5002         (scalar_chain::add_to_queue): Make it protected.
5003         (scalar_chain::emit_conversion_insns): Likewise.
5004         (scalar_chain::replace_with_subreg): Likewise.
5005         (scalar_chain::replace_with_subreg_in_insn): Likewise.
5006         (scalar_chain::convert_op): Likewise.
5007         (scalar_chain::convert_reg): Likewise.
5008         (scalar_chain::make_vector_copies): Likewise.
5009         (scalar_chain::convert_registers): New pure virtual function.
5010         (class dimode_scalar_chain): New class.
5011         (class timode_scalar_chain): Likewise.
5012         (scalar_chain::mark_dual_mode_def): Renamed to ...
5013         (dimode_scalar_chain::mark_dual_mode_def): This.
5014         (timode_scalar_chain::mark_dual_mode_def): New function.
5015         (timode_scalar_chain::convert_insn): Likewise.
5016         (dimode_scalar_chain::convert_registers): Likewise.
5017         (scalar_chain::compute_convert_gain): Renamed to ...
5018         (dimode_scalar_chain::compute_convert_gain): This.
5019         (scalar_chain::replace_with_subreg): Renamed to ...
5020         (dimode_scalar_chain::replace_with_subreg): This.
5021         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
5022         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
5023         (scalar_chain::make_vector_copies): Renamed to ...
5024         (dimode_scalar_chain::make_vector_copies): This.
5025         (scalar_chain::convert_reg): Renamed to ...
5026         (dimode_scalar_chain::convert_reg ): This.
5027         (scalar_chain::convert_op): Renamed to ...
5028         (dimode_scalar_chain::convert_op): This.
5029         (scalar_chain::convert_insn): Renamed to ...
5030         (dimode_scalar_chain::convert_insn): This.
5031         (scalar_chain::convert): Call convert_registers.
5032         (convert_scalars_to_vector): Change to scalar_chain pointer to
5033         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
5034         in 32-bit mode.  Delete scalar_chain pointer.  Call
5035         free_dominance_info in 64-bit mode.
5036         (pass_stv::gate): Remove TARGET_64BIT check.
5037         (ix86_option_override): Put the 64-bit STV pass before the CSE
5038         pass.
5039
5040 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
5041
5042         * dwarf2out.h (struct dw_loc_descr_node): Remove the
5043         dw_loc_frame_offset field.
5044         * dwarf2out.c (new_loc_descr): Likewise.
5045         (resolve_args_picking_1): Turn the VISITED hash set into a
5046         FRAME_OFFSET hash map. Use it to associate a frame offset to
5047         visited nodes. Remove uses of the CHECKING_P macro.
5048         (resolve_args_picking): Update call to resolve_args_picking_1.
5049
5050 2016-04-27  Martin Liska  <mliska@suse.cz>
5051
5052         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
5053         (free_loop_data): Release vuses of groups.
5054
5055 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
5056
5057         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
5058         instead of redundant use_id and boolean have_use_for.
5059         (struct iv_use): Change sub_id into group_id.  Remove field next.
5060         Move fields: related_cands, n_map_members, cost_map and selected
5061         to ...
5062         (struct iv_group): ... here.  New structure.
5063         (struct iv_common_cand): Use structure declaration directly.
5064         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
5065         (MAX_CONSIDERED_USES): Rename macro to ...
5066         (MAX_CONSIDERED_GROUPS): ... here.
5067         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
5068         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
5069         (dump_uses): Rename to ...
5070         (dump_groups): ... here.  Update all uses.
5071         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
5072         (find_induction_variables): Refactor format of dump information.
5073         (record_sub_use): Delete.
5074         (record_use): Update all uses.
5075         (record_group): New function.
5076         (record_group_use, find_interesting_uses_op): Call above functions.
5077         Update all uses.
5078         (find_interesting_uses_cond): Ditto.
5079         (group_compare_offset): New function.
5080         (split_all_small_groups): Rename to ...
5081         (split_small_address_groups_p): ... here.  Update all uses.
5082         (split_address_groups):  Update all uses.
5083         (find_interesting_uses): Refactor format of dump information.
5084         (add_candidate_1): Update all uses.  Remove redundant check on iv,
5085         base and step.
5086         (add_candidate, record_common_cand): Remove redundant assert.
5087         (add_iv_candidate_for_biv): Update use.
5088         (add_iv_candidate_derived_from_uses): Update all uses.
5089         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
5090         (alloc_use_cost_map): Ditto.
5091         (set_use_iv_cost, get_use_iv_cost): Rename to ...
5092         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
5093         (determine_use_iv_cost_generic): Ditto.
5094         (determine_group_iv_cost_generic): Ditto.
5095         (determine_use_iv_cost_address): Ditto.
5096         (determine_group_iv_cost_address): Ditto.
5097         (determine_use_iv_cost_condition): Ditto.
5098         (determine_group_iv_cost_cond): Ditto.
5099         (determine_use_iv_cost): Ditto.
5100         (determine_group_iv_cost): Ditto.
5101         (set_autoinc_for_original_candidates): Update all uses.
5102         (find_iv_candidates): Update all uses.  Refactor dump information.
5103         (determine_use_iv_costs): Ditto.
5104         (determine_iv_costs): Ditto.
5105         (iv_ca_cand_for_use): Rename to ...
5106         (iv_ca_cand_for_group): ... here.  Update all uses.
5107         (iv_ca_add_use, iv_ca_add_group): Ditto.
5108         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
5109         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
5110         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
5111         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
5112         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
5113         (create_new_iv, adjust_iv_update_pos): Ditto.
5114         (rewrite_use_address): Delete.
5115         (rewrite_use_address_1): Rename to ...
5116         (rewrite_use_address): ... here.
5117         (rewrite_use_compare): Update all uses.
5118         (rewrite_use): Delete.
5119         (rewrite_uses): Rename to ...
5120         (rewrite_groups): ... here.  Update all uses.
5121         (remove_unused_ivs, free_loop_data): Update all uses.
5122         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
5123
5124 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5125
5126         * rtlanal.c (nonzero_bits1): Convert preprocessor check
5127         for WORD_REGISTER_OPERATIONS to runtime check.
5128
5129 2016-04-27  Richard Biener  <rguenther@suse.de>
5130
5131         PR ipa/70760
5132         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
5133         aggregate_value_p to determine if a function result is
5134         returned by reference.
5135         (ipa_pta_execute): Functions having their address taken are
5136         not automatically nonlocal.
5137
5138 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5139
5140         PR sanitizer/70683
5141         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
5142         * fold-const.c (operand_equal_p): If flag_checking and
5143         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
5144         and if it returns non-zero, assert iterative_hash_expr on both
5145         args is the same.
5146
5147 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5148
5149         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
5150
5151 2016-04-27  Nick Clifton  <nickc@redhat.com>
5152
5153         PR middle-end/49889
5154         * varasm.c (merge_weak): Generate an error if an attempt is made
5155         to convert a non-weak static function into a weak, public function.
5156
5157 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
5158
5159         * params.def (MAX_PARTITION_SIZE): New param.
5160         * doc/invoke.texi: Document lto-max-partition.
5161
5162 2016-04-27  Richard Biener  <rguenther@suse.de>
5163
5164         PR ipa/70785
5165         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
5166         function cummulating used_from_other_partition, externally_visible
5167         and force_output from aliases.
5168         (refered_from_nonlocal_var): Likewise.
5169         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
5170         node flags properly.
5171
5172 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
5173
5174         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
5175         (-Wmemset-elt-size): New item.
5176
5177 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
5178
5179         PR ada/70759
5180         * stor-layout.h (internal_reference_types): Delete.
5181         * stor-layout.c (reference_types_internal): Likewise.
5182         (internal_reference_types): Likewise.
5183         (layout_type) <REFERENCE_TYPE>: Adjust.
5184
5185 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
5186
5187         PR sanitizer/70683
5188         * tree.h (inchash::add_expr): Add FLAGS argument.
5189         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
5190         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
5191         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
5192         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
5193         if swap_tree_comparison (code) is smaller than code, hash that
5194         and arguments in the other order.  Hash CONVERT_EXPR the same
5195         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
5196         of ADDR_EXPR of decl as the decl itself.  Add or remove
5197         OEP_ADDRESS_OF from recursive flags as needed.  For
5198         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
5199         operands commutatively and only the third one normally.
5200         For internal CALL_EXPR hash in CALL_EXPR_IFN.
5201
5202 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
5203
5204         * config/rtems.h (LIB_SPEC): Add -latomic.
5205
5206 2016-04-27  Joel Sherrill  <joel@rtems.org>
5207
5208         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
5209         xilink.ld and flags not relevant to RTEMS.
5210
5211 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
5212
5213         * toplev.c (backend_init_target): Avoid calling init_reload when using
5214         LRA.
5215
5216 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5217
5218         * reorg.c (try_merge_delay_insns): Declare i and j inside the
5219         for loops rather than one for the whole function.
5220
5221 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5222
5223         * match.pd (X + CST CMP X): New transformation.
5224
5225 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
5226
5227         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
5228         * fold-const.c (fold_binary_loc): Remove 2 transformations
5229         superseded by match.pd.
5230         * match.pd (x+x -> x*2): Generalize to integers.
5231
5232 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
5233
5234         * config/i386/i386.md (operation on memory peephole): Duplicate an
5235         existing peephole and adapt it to match lea rather than an operation
5236         that clobbers CC.
5237
5238         PR rtl-optimization/57193
5239         * opts.c (default_options_table): Add OPT_frename_registers at -O2
5240         and above.
5241         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
5242
5243 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5244
5245         * tree-if-conv.c (any_pred_load_store): New static variable.
5246         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
5247         any_pred_load_store instead of and_mask_load_store.
5248         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
5249         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
5250         (combine_blocks, tree_if_conversion): Ditto.
5251
5252 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
5253
5254         PR tree-optimization/70771
5255         PR tree-optimization/70775
5256         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
5257         virtual PHI nodes.  Delete parameter.
5258         (if_convertible_loop_p_1): Delete argument to above function.
5259         (predicate_all_scalar_phis): Delete code handling single-argument
5260         PHIs.
5261         (tree_if_conversion): Mark and update virtual SSA.
5262
5263 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5264
5265         PR target/61821
5266         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
5267         (x86_elf_aligned_common): Rename to ...
5268         (x86_elf_aligned_decl_common): ... this.
5269         Add decl arg.  Switch to .lbss for largecomm object.  Use
5270         LARGECOMM_SECTION_ASM_OP.
5271         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
5272         renaming.
5273         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
5274         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
5275         Pass new decl arg.
5276         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5277         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
5278
5279 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5280
5281         PR target/59407
5282         * config/i386/i386.c (SECTION_LARGE): Define.
5283         (x86_64_elf_select_section): Set it for large data/bss sections.
5284         Only clear SECTION_WRITE for .lrodata.
5285         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
5286         data/bss sections.
5287         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
5288         * varasm.c (default_elf_asm_named_section): Grow flagchars.
5289         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
5290         SECTION_MACH_DEP.
5291         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
5292         * doc/tm.texi: Regenerate.
5293
5294 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
5295
5296         PR bootstrap/70704
5297         * configure.ac (--enable-checking): Document extra flag, for
5298         non-release builds default to --enable-checking=yes,extra.
5299         If misc checking and extra checking, define CHECKING_P to 2 instead
5300         of 1.
5301         * common.opt (fchecking=): Add.
5302         * doc/invoke.texi (-fchecking=): Document.
5303         * doc/install.texi: Document --enable-checking changes.
5304         * configure: Regenerated.
5305         * config.in: Regenerated.
5306
5307 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5308
5309         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
5310         attribute instead of which_alternative.
5311         * config/i386/sse.md (*mov<mode>_internal): Ditto.
5312         Use EXT_REX_SSE_REG_P where appropriate.
5313
5314 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5315
5316         * config/i386/predicates.md (const0_operand): Do not match
5317         const_wide_int code.
5318         (const1_operand): Ditto.
5319
5320 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5321
5322         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
5323         for SSE constm1 operands and TARGET_AVX512VL.
5324         (*movti_internal): Ditto.
5325         (*mov<mode>_or): Use constm1_operand predicate.
5326         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
5327         for SSE vector_all_ones operands and TARGET_AVX512VL.
5328         * config/i386/predicates.md (constm1_operand): New predicate.
5329         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
5330         emission of constant -1 load.
5331
5332 2016-04-25  Jason Merrill  <jason@redhat.com>
5333
5334         * gdbinit.in: Skip is-a.h.
5335
5336         * attribs.c (register_scoped_attributes): Fix logic.
5337         * attribs.h: Declare register_scoped_attributes.
5338
5339 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5340
5341         * config/rs6000/rs6000-builtin.def: Correct pasto error for
5342         stxvd2x and stxvw4x built-in functions.
5343
5344 2016-04-25  DJ Delorie  <dj@redhat.com>
5345
5346         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
5347         (ashrhi3): Likewise.
5348         (lshrhi3): Likewise.
5349
5350 2016-04-25  Richard Biener  <rguenther@suse.de>
5351
5352         PR tree-optimization/70780
5353         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
5354         wasn't visited yet.
5355         (compute_antic): Mark blocks with abnormal preds as visited as
5356         they have a final empty antic-in solution already.
5357
5358 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5359
5360         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
5361
5362 2016-04-25  Michael Collison  <michael.collison@linaro.org>
5363
5364         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
5365         mode is VQI to improve mixed mode vectorization.
5366         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
5367         define_insn to match low half of signed vaddw.
5368         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
5369         define_insn to match high half of signed vaddw.
5370         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
5371         define_insn to match low half of unsigned vaddw.
5372         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
5373         define_insn to match high half of unsigned vaddw.
5374         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
5375         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5376         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
5377         for new function.
5378         (arm_simd_check_vect_par_cnst_half_p): Likewise.
5379         * config/arm/predicates.md (vect_par_constant_high): Support
5380         big endian and simplify by calling
5381         arm_simd_check_vect_par_cnst_half
5382         (vect_par_constant_low): Likewise.
5383
5384 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
5385
5386         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
5387         predicate for operand 2.
5388
5389 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
5390             H.J. Lu  <hongjiu.lu@intel.com>
5391
5392         * config/i386/i386-protos.h (standard_sse_constant_p): Add
5393         machine_mode argument.
5394         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
5395         constm1_rtx operands.  For VOIDmode constants, get mode from
5396         pred_mode.  Check mode size if the mode is supported by ABI.
5397         (standard_sse_constant_opcode): Do not use standard_constant_p.
5398         Strictly check ABI support for all-ones operands.
5399         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
5400         immediates. Update calls to standard_sse_constant_p.
5401         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
5402         (ix86_rtx_costs): Ditto.
5403         * config/i386/i386.md (*movxi_internal_avx512f): Use
5404         nonimmediate_or_sse_const_operand instead of vector_move_operand.
5405         Use (v,BC) alternative instead of (v,C). Use register_operand
5406         checks instead of MEM_P.
5407         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
5408         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
5409         isa attribute.  Use register_operand checks instead of MEM_P.
5410         (*movti_internal): Use nonimmediate_or_sse_const_operand for
5411         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
5412         alternative and corresponding sse2 isa attribute.
5413         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
5414         to standard_sse_constant_p.
5415         (FP constant splitters): Ditto.
5416         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
5417         (C): Ditto.
5418         * config/i386/predicates.md (constm1_operand): Remove.
5419         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
5420         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
5421         vector_all_ones_operand instead of constm1_operand.
5422
5423 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5424
5425         * print-rtl.c (print_rtx_insn_vec): New function.
5426         * print-rtl.h: New prototype.
5427         * store-motion.c (struct st_expr): Make avail_stores a vector.
5428         (st_expr_entry): Adjust.
5429         (free_st_expr_entry): Likewise.
5430         (print_store_motion_mems): Likewise.
5431         (find_moveable_store): Likewise.
5432         (compute_store_table): Likewise.
5433         (delete_store): Likewise.
5434         (build_store_vectors): Likewise.
5435
5436 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5437
5438         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
5439
5440 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5441
5442         * vec.h (vec_safe_contains): New function.
5443         (vec::contains): Likewise.
5444         (vec::begin): Likewise.
5445         (vec::end): Likewise.
5446
5447 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
5448
5449         PR sanitizer/70712
5450         * cfgexpand.c (expand_stack_vars): Fix typo.
5451
5452 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5453
5454         * system.h (list, map, set, vector): Include conditionally.
5455         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
5456         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
5457         * ipa-icf.c (INCLUDE_LIST): Define.
5458         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
5459         * config/sh/sh.c (INCLUDE_VECTOR): Define.
5460         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
5461         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
5462         * cp/logic.cc (INCLUDE_LIST): Define.
5463         * fortran/trans-common.c (INCLUDE_MAP): Define.
5464
5465 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
5466
5467         * auto-profile.c: Remove <string.h> include.
5468         * ipa-icf-gimple.c: Remove <list> include.
5469         * diagnostic.c: Remove <new> include.
5470         * genmatch.c: Likewise.
5471         * pretty-print.c: Likewise.
5472         * toplev.c: Likewise
5473         * c/c-objc-common.c: Likewise.
5474         * cp/error.c: Likewise.
5475         * fortran/error.c: Likewise.
5476
5477 2016-04-22  Richard Biener  <rguenther@suse.de>
5478
5479         * lto-streamer-in.c (input_ssa_names): Do not allocate
5480         GIMPLE_NOP for all SSA names.
5481         * lto-streamer-out.c (output_ssa_names): Do not output
5482         SSA names that should have been released.
5483
5484 2016-04-22  Richard Biener  <rguenther@suse.de>
5485
5486         PR tree-optimization/70740
5487         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
5488         VDEF.
5489
5490 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
5491
5492         PR target/70750
5493         * config/i386/predicates.md (call_insn_operand): Replace
5494         sibcall_memory_operand with memory_operand.
5495
5496 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
5497
5498         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
5499         has_single_use() tests.
5500         (register_edge_assert_for_1): Likewise.
5501         (find_assert_locations_1): Check the liveness bitmap instead of
5502         checking has_single_use().
5503
5504 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
5505
5506         PR target/70728
5507         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
5508         Extract AVX-512BW constraint from AVX.
5509
5510 2016-04-21  Richard Biener  <rguenther@suse.de>
5511
5512         PR tree-optimization/70725
5513         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
5514         for phi_convertible_by_degenerating_args.
5515         (predicate_all_scalar_phis): Handle single-argument PHIs.
5516
5517 2016-04-21  Richard Biener  <rguenther@suse.de>
5518
5519         PR middle-end/70747
5520         * fold-const.c (fold_comparison): Return properly typed
5521         constant boolean.
5522
5523 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
5524
5525         PR tree-optimization/70715
5526         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
5527         after expanding BASE using expand_simple_operations.
5528
5529 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5530
5531         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
5532         New transformations.
5533
5534 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
5535
5536         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
5537
5538 2016-04-20  Jan Hubicka  <jh@suse.cz>
5539
5540         * ipa-inline.c (can_inline_edge_p): Pass caller info to
5541         ultiimate_alias_target.
5542         (update_callee_keys): Likewise.
5543         (lookup_recursive_calls): Likewise.
5544         (speculation_useful_p): Likewise.
5545
5546 2016-04-20  Jan Hubicka  <jh@suse.cz>
5547
5548         PR ipa/70018
5549         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
5550         (set_nothrow_flag_1): ... this; handle interposition correctly;
5551         recurse on aliases and thunks.
5552         (cgraph_node::set_nothrow_flag): New.
5553         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
5554         functions compiled with non-call exceptions that binds to current
5555         def.
5556         (propagate_nothrow): Be safe WRT interposition.
5557         * cgraph.h (set_nothrow_flag): Update prototype.
5558
5559 2016-04-18  Jan Hubicka  <jh@suse.cz>
5560
5561         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
5562         max_loop_iterations_int.
5563         (tree_unswitch_outer_loop): Likewise.
5564
5565 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5566
5567         PR tree-optimization/69489
5568         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
5569         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
5570         Revise dump message.
5571         (if_convertible_bb_p): Remove check on edge count of basic block's
5572         predecessors.
5573
5574 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5575
5576         PR tree-optimization/56625
5577         PR tree-optimization/69489
5578         * tree-data-ref.h (DR_INNERMOST): New macro.
5579         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
5580         hashing struct innermost_loop_behavior.
5581         (ref_DR_map): Remove.
5582         (innermost_DR_map): New map.
5583         (baseref_DR_map): Revise comment.
5584         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
5585         to innermost_DR_map accroding to its innermost loop behavior.
5586         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
5587         to its innermost loop behavior.
5588         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
5589         Add initialization for innermost_DR_map.  Record memory reference
5590         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
5591         have innermost loop behavior.
5592         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
5593         innermost_DR_map.
5594
5595 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
5596
5597         * config/i386/i386.md (*lea<mode>_general_1): Rename from
5598         *lea_general_1.  Use explicit SWI12 mode interator.
5599         (*lea<mode>_general_2): Rename from *lea_general_2.
5600         Use explicit SWI12 mode interator.
5601         (*lea<mode>_general_3): Rename from *lea_general_3.
5602         Use explicit SWI12 mode interator.
5603         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
5604         Use explicit SWI12 mode interator.
5605         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
5606         Use explicit SWI48 mode interator.
5607
5608 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5609
5610         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
5611         Short-cut unaligned load and store cases.  Handle all integer
5612         vector modes.
5613         (ix86_expand_vector_move_misalign): Short-cut unaligned load
5614         and store cases.  Call ix86_avx256_split_vector_move_misalign
5615         directly without checking mode class.
5616
5617 2016-04-20  Andrew Pinski  <apinski@cavium.com>
5618             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5619
5620         PR target/64971
5621         * config/aarch64/aarch64.md (sibcall): Force call
5622         address to be DImode for ILP32.
5623         (sibcall_value): Likewise.
5624
5625 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
5626
5627         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
5628
5629 2016-04-20  Richard Biener  <rguenther@suse.de>
5630
5631         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
5632         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
5633         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
5634         (maybe_push_res_to_seq): Adjust.
5635         * gimple-fold.c (maybe_build_generic_op): Likewise.
5636
5637 2016-04-20  Marek Polacek  <polacek@redhat.com>
5638
5639         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
5640         rather than true.
5641
5642 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
5643
5644         * config/i386/sse.md (vec_unpacks_lo_hi): Always
5645         use kmovw to support AVX512F target.
5646
5647 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
5648
5649         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
5650
5651 2016-04-20  Marek Polacek  <polacek@redhat.com>
5652
5653         PR tree-optimization/70725
5654         * tree-if-conv.c (is_false_predicate): New function.
5655         (predicate_mem_writes): Use it.
5656
5657 2016-04-20  Richard Biener  <rguenther@suse.de>
5658
5659         PR tree-optimization/70726
5660         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
5661         shift amounts from a pattern stmt operand.
5662
5663 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5664
5665         PR target/70674
5666         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
5667         stack_restore_from_fpr pattern when restoring r15.
5668         (s390_optimize_prologue): Strip away the memory barrier in the
5669         parallel when trying to get rid of restore insns.
5670         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
5671         definition for loading the stack pointer from an FPR.  Compared to
5672         the normal move insn this pattern includes a full memory barrier.
5673
5674 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
5675
5676         PR middle-end/70680
5677         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
5678         implicitly linear or lastprivate iterator on the outer context.
5679
5680 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5681
5682         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
5683         alignment check.
5684         * config/i386/i386.md (ssememalign): Removed.
5685         * config/i386/sse.md: Remove ssememalign attribute from patterns.
5686
5687 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
5688
5689         PR target/69201
5690         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
5691         const short * to __builtin_ia32_loaddquhi512_mask.
5692         (_mm512_maskz_loadu_epi16): Likewise.
5693         (_mm512_mask_storeu_epi16): Pass short * to
5694         __builtin_ia32_storedquhi512_mask.
5695         (_mm512_mask_loadu_epi8): Pass const char * to
5696         __builtin_ia32_loaddquqi512_mask.
5697         (_mm512_maskz_loadu_epi8): Likewise.
5698         (_mm512_mask_storeu_epi8): Pass char * to
5699         __builtin_ia32_storedquqi512_mask.
5700         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
5701         const double * to __builtin_ia32_loadupd512_mask.
5702         (_mm512_mask_loadu_pd): Likewise.
5703         (_mm512_maskz_loadu_pd): Likewise.
5704         (_mm512_storeu_pd): Pass double * to
5705         __builtin_ia32_storeupd512_mask.
5706         (_mm512_mask_storeu_pd): Likewise.
5707         (_mm512_loadu_ps): Pass const float * to
5708         __builtin_ia32_loadups512_mask.
5709         (_mm512_mask_loadu_ps): Likewise.
5710         (_mm512_maskz_loadu_ps): Likewise.
5711         (_mm512_storeu_ps): Pass float * to
5712         __builtin_ia32_storeups512_mask.
5713         (_mm512_mask_storeu_ps): Likewise.
5714         (_mm512_mask_loadu_epi64): Pass const long long * to
5715         __builtin_ia32_loaddqudi512_mask.
5716         (_mm512_maskz_loadu_epi64): Likewise.
5717         (_mm512_mask_storeu_epi64): Pass long long *
5718         to __builtin_ia32_storedqudi512_mask.
5719         (_mm512_loadu_si512): Pass const int * to
5720         __builtin_ia32_loaddqusi512_mask.
5721         (_mm512_mask_loadu_epi32): Likewise.
5722         (_mm512_maskz_loadu_epi32): Likewise.
5723         (_mm512_storeu_si512): Pass int * to
5724         __builtin_ia32_storedqusi512_mask.
5725         (_mm512_mask_storeu_epi32): Likewise.
5726         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
5727         char * to __builtin_ia32_storedquqi256_mask.
5728         (_mm_mask_storeu_epi8): Likewise.
5729         (_mm256_mask_loadu_epi16): Pass const short * to
5730         __builtin_ia32_loaddquhi256_mask.
5731         (_mm256_maskz_loadu_epi16): Likewise.
5732         (_mm_mask_loadu_epi16): Pass const short * to
5733         __builtin_ia32_loaddquhi128_mask.
5734         (_mm_maskz_loadu_epi16): Likewise.
5735         (_mm256_mask_loadu_epi8): Pass const char * to
5736         __builtin_ia32_loaddquqi256_mask.
5737         (_mm256_maskz_loadu_epi8): Likewise.
5738         (_mm_mask_loadu_epi8): Pass const char * to
5739         __builtin_ia32_loaddquqi128_mask.
5740         (_mm_maskz_loadu_epi8): Likewise.
5741         (_mm256_mask_storeu_epi16): Pass short * to.
5742         __builtin_ia32_storedquhi256_mask.
5743         (_mm_mask_storeu_epi16): Pass short * to.
5744         __builtin_ia32_storedquhi128_mask.
5745         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
5746         const double * to __builtin_ia32_loadupd256_mask.
5747         (_mm256_maskz_loadu_pd): Likewise.
5748         (_mm_mask_loadu_pd): Pass onst double * to
5749         __builtin_ia32_loadupd128_mask.
5750         (_mm_maskz_loadu_pd): Likewise.
5751         (_mm256_mask_storeu_pd): Pass double * to
5752         __builtin_ia32_storeupd256_mask.
5753         (_mm_mask_storeu_pd): Pass double * to
5754         __builtin_ia32_storeupd128_mask.
5755         (_mm256_mask_loadu_ps): Pass const float * to
5756         __builtin_ia32_loadups256_mask.
5757         (_mm256_maskz_loadu_ps): Likewise.
5758         (_mm_mask_loadu_ps): Pass const float * to
5759         __builtin_ia32_loadups128_mask.
5760         (_mm_maskz_loadu_ps): Likewise.
5761         (_mm256_mask_storeu_ps): Pass float * to
5762         __builtin_ia32_storeups256_mask.
5763         (_mm_mask_storeu_ps): ass float * to
5764         __builtin_ia32_storeups128_mask.
5765         (_mm256_mask_loadu_epi64): Pass const long long * to
5766         __builtin_ia32_loaddqudi256_mask.
5767         (_mm256_maskz_loadu_epi64): Likewise.
5768         (_mm_mask_loadu_epi64): Pass const long long * to
5769         __builtin_ia32_loaddqudi128_mask.
5770         (_mm_maskz_loadu_epi64): Likewise.
5771         (_mm256_mask_storeu_epi64): Pass long long * to
5772         __builtin_ia32_storedqudi256_mask.
5773         (_mm_mask_storeu_epi64): Pass long long * to
5774         __builtin_ia32_storedqudi128_mask.
5775         (_mm256_mask_loadu_epi32): Pass const int * to
5776         __builtin_ia32_loaddqusi256_mask.
5777         (_mm256_maskz_loadu_epi32): Likewise.
5778         (_mm_mask_loadu_epi32): Pass const int * to
5779         __builtin_ia32_loaddqusi128_mask.
5780         (_mm_maskz_loadu_epi32): Likewise.
5781         (_mm256_mask_storeu_epi32): Pass int * to
5782         __builtin_ia32_storedqusi256_mask.
5783         (_mm_mask_storeu_epi32): Pass int * to
5784         __builtin_ia32_storedqusi128_mask.
5785         * config/i386/i386-builtin-types.def (PCSHORT): New.
5786         (PINT64): Likewise.
5787         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
5788         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
5789         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
5790         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
5791         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
5792         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
5793         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
5794         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
5795         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
5796         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
5797         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
5798         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
5799         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
5800         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
5801         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
5802         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
5803         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
5804         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
5805         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
5806         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
5807         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
5808         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
5809         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
5810         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
5811         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
5812         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
5813         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
5814         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
5815         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
5816         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
5817         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
5818         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
5819         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
5820         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
5821         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
5822         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
5823         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
5824         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
5825         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
5826         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
5827         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
5828         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
5829         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
5830         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
5831         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
5832         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
5833         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
5834         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
5835         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
5836         use UNSPEC_STOREU.
5837         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
5838         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
5839         load nor store.
5840         (ix86_expand_vector_move_misalign): Likewise.
5841         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
5842         to scalar function prototype for unaligned load/store builtins.
5843         (ix86_expand_special_args_builtin): Updated.
5844         * config/i386/sse.md (UNSPEC_LOADU): Removed.
5845         (UNSPEC_STOREU): Likewise.
5846         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
5847         (VI_ULOADSTORE_F_AVX512VL): Likewise.
5848         (ssescalarsize): Handle V4TI, V2TI and V1TI.
5849         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5850         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
5851         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
5852         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
5853         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
5854         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
5855         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
5856         (<avx512>_storedqu<mode>_mask): Likewise.
5857         (*sse4_2_pcmpestr_unaligned): Likewise.
5858         (*sse4_2_pcmpistr_unaligned): Likewise.
5859         (*mov<mode>_internal): Renamed to ...
5860         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
5861         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
5862         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
5863         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
5864
5865 2016-04-19  Richard Biener  <rguenther@suse.de>
5866
5867         PR tree-optimization/70171
5868         * tree-ssa-phiprop.c: Include stor-layout.h.
5869         (phiprop_insert_phi): Handle the aggregate copy case.
5870         (propagate_with_phi): Likewise.
5871
5872 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
5873
5874         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
5875         instead of simplify_gen_subreg (... , 0).
5876         (ix86_delegitimize_address): Ditto.
5877         (ix86_split_divmod): Ditto.
5878         (ix86_split_copysign_const): Ditto.
5879         (ix86_split_copysign_var): Ditto.
5880         (ix86_expand_args_builtin): Ditto.
5881         (ix86_expand_round_builtin): Ditto.
5882         (ix86_expand_special_args_builtin): Ditto.
5883         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
5884         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
5885         (udivmodqi4): Ditto.
5886         (absneg splitters): Ditto.
5887         (*jcc_bt<mode>_1): Ditto.
5888
5889 2016-04-19  Richard Biener  <rguenther@suse.de>
5890
5891         PR tree-optimization/70724
5892         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
5893         restoring out from ...
5894         (free_scc_vn): ... here.
5895         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
5896         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
5897         tail merging.
5898         (pass_fre::execute): Restore SSA info.
5899
5900 2016-04-19  Richard Biener  <rguenther@suse.de>
5901
5902         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
5903         * gimple-walk.c (walk_gimple_op): Initialize it.
5904         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
5905         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
5906         remapping SSA names of defs.
5907         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
5908         adjustment.
5909
5910 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
5911
5912         PR middle-end/70689
5913         * lra-constraints.c (equiv_substition_p): New.
5914         (process_alt_operands): Use it.
5915         (swap_operands): Swap it.
5916         (curr_insn_transform): Update it.
5917
5918 2016-04-18  Michael Matz  <matz@suse.de>
5919
5920         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
5921         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
5922         * tree-core.h (tree_type_common.align): Use bit-field.
5923         (tree_type_common.spare): New.
5924         (tree_decl_common.off_align): Make smaller.
5925         (tree_decl_common.align): Use bit-field.
5926
5927         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
5928         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
5929         (scan_sharing_clauses): Ditto.
5930         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
5931         (omp_finish_file): Ditto.
5932         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
5933         (layout_decl): Ditto.
5934         (relayout_decl): Ditto.
5935         (finalize_record_size): Use SET_TYPE_ALIGN.
5936         (finalize_type_size): Ditto.
5937         (finish_builtin_struct): Ditto.
5938         (layout_type): Ditto.
5939         (initialize_sizetypes): Ditto.
5940         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
5941         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
5942         (lookup_field_for_decl): Use SET_DECL_ALIGN.
5943         (get_chain_field): Ditto.
5944         (get_trampoline_type): Ditto.
5945         (get_nl_goto_field): Ditto.
5946         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
5947         SET_DECL_ALIGN.
5948         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
5949         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
5950         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
5951         (build_qualified_type): Use SET_TYPE_ALIGN.
5952         (build_aligned_type, build_range_type_1): Ditto.
5953         (build_atomic_base): Ditto.
5954         (build_common_tree_nodes): Ditto.
5955         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
5956         (expand_one_stack_var_at): Ditto.
5957         * coverage.c (build_var): Use SET_DECL_ALIGN.
5958         * except.c (init_eh): Ditto.
5959         * function.c (assign_parm_setup_block): Ditto.
5960         * symtab.c (increase_alignment_1): Ditto.
5961         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
5962         * tree-vect-stmts.c (ensure_base_align): Ditto.
5963         * varasm.c (align_variable): Ditto.
5964         (assemble_variable): Ditto.
5965         (build_constant_desc): Ditto.
5966         (output_constant_def_contents): Ditto.
5967
5968         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
5969         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
5970         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
5971         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
5972         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
5973
5974 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
5975
5976         PR target/70708
5977         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
5978         replace %vmovsd with "%vmovq".
5979         (vec_concatv2df): Likewise.
5980
5981 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
5982
5983         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
5984         (*vec_extractv2si_0): Ditto.
5985         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
5986         (zero_extended_scalar_load_operand splitters): Ditto.
5987         (vec_extract splitters): Ditto.
5988         (*vec_extractv4si_0_zext): Ditto.
5989         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
5990         and lowpart_subreg.
5991         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
5992         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
5993         (*sse4_1_extractps): Use lowpart_subreg.
5994         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
5995
5996 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5997
5998         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
5999         gld requirements.
6000         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
6001         Mention Solaris 11 packaging changes.
6002         Update gas and gld requirements.
6003         Remove reference to pre-Solaris 10 bug.
6004         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
6005         systems and bugs.
6006         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
6007         with cc.
6008
6009 2016-04-17  Jan Hubicka  <jh@suse.cz>
6010
6011         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
6012         max_loop_iterations_int.
6013
6014 2016-04-18  Richard Biener  <rguenther@suse.de>
6015
6016         PR tree-optimization/43434
6017         * tree-ssa-structalias.c (struct vls_data): New.
6018         (visit_loadstore): Handle all pointer-based accesses.
6019         (compute_dependence_clique): Compute a bitmap of restrict tags
6020         assigned bases and pass it to visit_loadstore.
6021
6022 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
6023
6024         PR target/70711
6025         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
6026         armv8.1-a and armv8.1-a+crc.
6027
6028 2016-04-18  Richard Biener  <rguenther@suse.de>
6029
6030         PR tree-optimization/70701
6031         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
6032         references after translating through a memcpy.
6033
6034 2016-04-18  Richard Biener  <rguenther@suse.de>
6035
6036         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
6037         (compute_antic): ... here.  For partial antic use regular
6038         postorder and scrap iteration.
6039         (compute_partial_antic_aux): Remove unused return value.
6040         (init_pre): Do not allocate postorder.
6041         (fini_pre): Do not free postorder.
6042
6043 2016-04-18  Richard Biener  <rguenther@suse.de>
6044
6045         PR middle-end/37870
6046         * expmed.c (extract_bit_field_1): Remove broken case
6047         using a wider MODE_INT mode.
6048
6049 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
6050
6051         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
6052         unless compiling with at least GCC-4.8.
6053
6054 2016-04-17  Jan Hubicka  <jh@suse.cz>
6055
6056         PR bootstrap/70706
6057         * graphite.c (graphite_finalize): Update call to
6058         tree_estimate_probability.
6059         * predict.h (tree_estimate_probability): Update prototype.
6060
6061 2016-04-17  Jan Hubicka  <jh@suse.cz>
6062
6063         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
6064         (tree_estimate_probability): Likewise.
6065         (pass_profile::execute): Update.
6066         (report_predictor_hitrates): New function.
6067         * profile.c (compute_branch_probabilities): Use it.
6068         * predict.h (report_predictor_hitrates): Declare.
6069
6070 2016-04-17  Jan Hubicka  <jh@suse.cz>
6071
6072         PR ipa/70018
6073         * cgraph.h (cgraph_node::set_const_flag,
6074         cgraph_node::set_pure_flag): Update prototype to return bool;
6075         update comment.
6076         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
6077         of interposable symbol are interposable, too.
6078         (cgraph_set_const_flag_1): Rename to ...
6079         (set_const_flag_1): ... this one; change to self recursive function
6080         instead of call_for_symbol_thunks_and_aliases. Handle correctly
6081         clearnig the flag in all variants and also virtual thunks of const
6082         functions are pure; track if any change was done.
6083         (cgraph_node::set_const_flag): Update.
6084         (struct set_pure_flag_info): New struct.
6085         (cgraph_set_pure_flag_1): Rename to ...
6086         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
6087         rather than pointer encoded flags; track if any changes was done;
6088         handle correctly clearning flag and setting flag of aliases already
6089         declared const.
6090         (cgraph_node::set_pure_flag): Update.
6091         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
6092
6093 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6094
6095         PR other/70433
6096         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
6097         backslash in label.
6098
6099 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6100
6101         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
6102         '{}<> ' as escape-for-record.
6103
6104 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6105
6106         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
6107         structure.
6108
6109 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6110
6111         PR other/70185
6112         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
6113         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
6114         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
6115         * passes.c (finish_optimization_passes): Only call
6116         finish_graph_dump_file if dfi->graph_dump_initialized.
6117         (execute_function_dump, pass_init_dump_file): Use
6118         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
6119
6120 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6121
6122         PR tree-optimization/70256
6123         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
6124         (debug_varmap): New function.
6125
6126 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6127
6128         PR other/70183
6129         * passes.c (pass_manager::register_pass): Propagate pflags.
6130
6131 2016-04-17  Tom de Vries  <tom@codesourcery.com>
6132
6133         PR other/68875
6134         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
6135         * passes.c (pass_manager::pass_manager): Declare and init p_start in
6136         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
6137         check if it's equal to p_start.
6138         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
6139
6140 2016-04-15  Jan Hubicka  <jh@suse.cz>
6141
6142         PR ipa/70018
6143         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
6144         function does not bind to current def.
6145         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
6146         handle conservatively calls to functions that does not need to bind
6147         to current def.
6148         (check_call): Update call of worse_state.
6149         (ignore_edge_for_nothrow): Update.
6150         (ignore_edge_for_pure_const): Likewise.
6151         (propagate_pure_const): Update calls to worse_state.
6152         (skip_function_for_local_pure_const): Reformat comments.
6153
6154 2016-04-15  Jan Hubicka  <jh@suse.cz>
6155
6156         PR ipa/70018
6157         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
6158         (cgraph_node::function_symbol): Likewise.
6159         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6160         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
6161         (symtab_node::ultimate_alias_target): Add REF parameter.
6162         (symtab_node::binds_to_current_def_p): Declare.
6163         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
6164         (cgraph_node::function_symbol): Likewise.
6165         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
6166         (cgraph_node::get_availability): Likewise.
6167         (cgraph_edge::binds_to_current_def_p): New inline function.
6168         (varpool_node::get_availability): Add REF parameter.
6169         (varpool_node::ultimate_alias_target): Likewise.
6170         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
6171         (symtab_node::binds_to_current_def_p): Likewise.
6172         * varpool.c (varpool_node::get_availability): Likewise.
6173
6174 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6175
6176         PR target/70662
6177         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
6178         Fix mode size check.
6179
6180 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6181
6182         * BASE-VER: Set to 7.0.0.
6183
6184 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
6185
6186         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
6187
6188 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6189
6190         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
6191         architecture revisions.
6192
6193 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
6194
6195         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
6196         * config/i386/i386.c (ix86_using_red_zone): No longer static.
6197         * config/i386/i386.md (stack decrement to push peepholes): Guard
6198         with !x86_using_red_zone ().
6199
6200 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
6201
6202         PR c++/70675
6203         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
6204         to dump_generic_node.
6205         (NIY): Pass also flags to do_niy.
6206
6207 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
6208
6209         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
6210         (simd_clone_vector_of_formal_parm_types)
6211         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
6212         (simd_clone_mangle, simd_clone_create)
6213         (simd_clone_adjust_return_type, create_tmp_simd_array)
6214         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
6215         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
6216         (ipa_simd_modify_function_body, simd_clone_linear_addend)
6217         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
6218         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
6219         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
6220         * omp-simd-clone.c: ... this new file.
6221         (simd_clone_vector_of_formal_parm_types): Make it static.
6222         * Makefile.in (OBJS): Add omp-simd-clone.o.
6223
6224 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
6225
6226         PR target/70662
6227         * config/i386/sse.md: Use proper memory operand modifiers.
6228
6229
6230 2016-04-15  Richard Biener  <rguenther@suse.de>
6231         Alan Modra  <amodra@gmail.com>
6232
6233         PR tree-optimization/70130
6234         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
6235         when alignment stays not the same and no not use the realign
6236         scheme then.
6237
6238 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
6239
6240         PR target/70669
6241         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
6242         direct move handlers for KFmode. Change TFmode handlers test from
6243         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
6244
6245 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
6246
6247         PR c++/70594
6248         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
6249         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
6250         (inlined_polymorphic_ctor_dtor_block_p): Use it.
6251         * tree-ssa-live.c (remove_unused_scope_block_p): When
6252         in_ctor_dtor_block, avoid discarding not just BLOCKs with
6253         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
6254         block_ultimate_origin is FUNCTION_DECL.
6255         (remove_unused_locals): If current_function_decl is
6256         polymorphic_ctor_dtor_p, pass initial true to
6257         remove_unused_scope_block_p' is_ctor_dtor_block.
6258
6259 2016-04-14  Martin Sebor  <msebor@redhat.com>
6260
6261         PR c++/69517
6262         PR c++/70019
6263         PR c++/70588
6264         * doc/extend.texi (Variable Length): Revert.
6265
6266 2016-04-14  Marek Polacek  <polacek@redhat.com>
6267             Jan Hubicka  <hubicka@ucw.cz>
6268
6269         PR c++/70029
6270         * tree.c (verify_type): Disable the canonical type of main variant
6271         check.
6272
6273 2016-04-14  Jason Merrill  <jason@redhat.com>
6274
6275         * cfgexpand.c, expr.c: Revert previous change.
6276
6277 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
6278
6279         PR middle-end/70643
6280         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
6281         when building a mem ref for the incoming reduction variable.
6282
6283 2016-04-14  Richard Biener  <rguenther@suse.de>
6284
6285         PR tree-optimization/70614
6286         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
6287         loop if the evolution dropped to chrec_dont_know.
6288         (interpret_condition_phi): Likewise.
6289
6290 2016-04-14  Richard Biener  <rguenther@suse.de>
6291
6292         PR tree-optimization/70623
6293         * tree-ssa-pre.c (changed_blocks): Make global ...
6294         (compute_antic): ... local here.  Move and fix worklist
6295         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
6296         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
6297         worklist handling, dump when ANTIC_IN changed.
6298         (compute_partial_antic_aux): Remove worklist handling.
6299         (init_pre): Do not compute post dominators.  Add a comment about
6300         the CFG order chosen.
6301         (fini_pre): Do not free post dominators.
6302
6303 2016-04-13  Martin Sebor  <msebor@redhat.com>
6304
6305         PR c++/69517
6306         PR c++/70019
6307         PR c++/70588
6308         * doc/extend.texi (Variable Length): Document C++ specifics.
6309
6310 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6311
6312         PR c++/70641
6313         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
6314         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
6315         eh edges have been purged.
6316
6317         PR c++/70594
6318         * tree-sra.c (create_access_replacement,
6319         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
6320         gets fancy name.
6321         * tree-pretty-print.c (dump_fancy_name): New function.
6322         (dump_decl_name, dump_generic_node): Use it.
6323
6324 2016-04-13  Jason Merrill  <jason@redhat.com>
6325
6326         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
6327         * expr.c (expand_expr_real_1): Likewise.
6328
6329 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
6330
6331         * config/i386/i386.md (kunpckhi): Swap operands.
6332         (kunpcksi): Likewise.
6333         (kunpckdi): Likewise.
6334         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
6335         (vec_pack_trunc_<mode>): Likewise.
6336
6337 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
6338
6339         PR debug/70628
6340         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
6341
6342         PR middle-end/70633
6343         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
6344         gimplification turns some element into non-constant.
6345
6346         PR debug/70628
6347         * rtl.h (convert_memory_address_addr_space_1): New prototype.
6348         * explow.c (convert_memory_address_addr_space_1): No longer static,
6349         add NO_EMIT argument and don't call convert_modes if true, pass
6350         it down recursively, remove break after return.
6351         (convert_memory_address_addr_space): Adjust caller.
6352         * simplify-rtx.c (simplify_unary_operation_1): Call
6353         convert_memory_address_addr_space_1 instead of convert_memory_address,
6354         if it returns NULL, don't simplify.
6355
6356 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6357
6358         PR target/70630
6359         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
6360
6361 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6362
6363         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6364         Bump the upper SIMDLEN limits, so that if the return type or
6365         characteristic type if the return type is void can be passed in
6366         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
6367         allowed.
6368
6369 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
6370
6371         PR target/70640
6372         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
6373         Do not use "=" constraint on an input constraint.
6374         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
6375         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
6376         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
6377         generates (neg (abs ...)) instead of (abs ...).
6378
6379 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR rtl-optimization/70596
6382         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
6383         just invalidate LRA data and reset them.  Adjust dump wording.
6384
6385 2016-04-12  Martin Liska  <mliska@suse.cz>
6386
6387         Revert
6388         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6389
6390         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6391         estimates here.
6392         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6393         max_loop_iterations_int.
6394         (tree_unswitch_outer_loop): Likewise.
6395         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6396         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6397
6398 2016-04-12  Tom de Vries  <tom@codesourcery.com>
6399
6400         PR tree-optimization/68756
6401         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
6402         instead of new_name.
6403
6404 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
6405
6406         PR tree-optimization/70602
6407         * tree-sra.c (generate_subtree_copies): Don't write anything into
6408         constant pool decls.
6409
6410         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
6411         regardless whether there are depend clauses or not.
6412
6413 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
6414
6415         PR target/70381
6416         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
6417         target attribute and pragma from changing the -mfloat128
6418         and -mfloat128-hardware options.
6419
6420         * doc/extend.texi (Additional Floating Types): Document PowerPC
6421         __float128 restrictions.
6422
6423 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6424
6425         PR target/70133
6426         * config/aarch64/driver-aarch64.c
6427         (aarch64_get_extension_string_for_isa_flags): New.
6428         (arch_extension): Rename to...
6429         (aarch64_arch_extension): ...This.
6430         (ext_to_feat_string): Rename to...
6431         (aarch64_extensions): ...This.
6432         (aarch64_core_data): Keep track of architecture extension flags.
6433         (cpu_data): Rename to...
6434         (aarch64_cpu_data): ...This.
6435         (aarch64_arch_driver_info): Keep track of architecture extension
6436         flags.
6437         (get_arch_name_from_id): Rename to...
6438         (get_arch_from_id): ...This, change return type.
6439         (host_detect_local_cpu): Update and reformat for renames, handle
6440         extensions through common infrastructure.
6441
6442 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6443
6444         PR target/70133
6445         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
6446         track of a canonical flag name.
6447         (all_extensions): Likewise.
6448         (arch_to_arch_name): Also track extension flags enabled by the arch.
6449         (all_architectures): Likewise.
6450         (aarch64_parse_extension): Move to here.
6451         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
6452         rework.
6453         (aarch64_rewrite_selected_cpu): Update for above change.
6454         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
6455         are handled, such that the single explicit value enabled by an
6456         extension is kept seperate from the implicit values it also enables.
6457         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
6458         to here.
6459         (aarch64_parse_extension): New.
6460         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
6461         here to config/aarch64/aarch64-protos.h.
6462         (aarch64_parse_extension): Move from here to
6463         common/config/aarch64/aarch64-common.c.
6464         (aarch64_option_print): Update.
6465         (aarch64_declare_function_name): Likewise.
6466         (aarch64_start_file): Likewise.
6467         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
6468         the canonical flag for extensions.
6469         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
6470         flags.
6471
6472 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
6473
6474         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
6475         AARCH64_FL_CRC.
6476
6477 2016-04-09  Tom de Vries  <tom@codesourcery.com>
6478
6479         PR tree-optimization/68953
6480         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
6481         first to last subscript.
6482
6483 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
6484
6485         PR tree-optimization/70586
6486         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
6487         for any calls.
6488
6489 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
6490
6491         PR lto/70289
6492         PR ipa/70348
6493         PR tree-optimization/70373
6494         PR middle-end/70533
6495         PR middle-end/70534
6496         PR middle-end/70535
6497         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
6498         clauses for acc parallel reductions as necessary.  Error on those
6499         that are private.
6500         * omp-low.c (scan_sharing_clauses): Don't install variables which
6501         are used in acc parallel reductions.
6502         (lower_rec_input_clauses): Remove dead code.
6503         (lower_oacc_reductions): Add support for reference reductions.
6504         (lower_reduction_clauses): Remove dead code.
6505         (lower_omp_target): Don't remap variables appearing in acc parallel
6506         reductions.
6507         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
6508
6509 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
6510
6511         PR middle-end/70593
6512         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
6513         with multiple SSA_NAME defs, force the outputs other than first
6514         to be live before calling live_track_process_def on each output.
6515
6516         PR rtl-optimization/70574
6517         * fwprop.c (forward_propagate_and_simplify): Don't add
6518         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
6519         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
6520         paradoxical subregs within *loc.
6521
6522 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
6523
6524         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
6525         -ftree-parallelize-loops={0,1}.
6526         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
6527         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
6528         * config/ia64/hpux.h (LIB_SPEC): Likewise.
6529         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
6530         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
6531
6532 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
6533
6534         PR sanitizer/70541
6535         * asan.c (instrument_derefs): If we get unknown location, extract it
6536         with EXPR_LOCATION.
6537         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
6538
6539 2016-04-08  Tom de Vries  <tom@codesourcery.com>
6540
6541         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
6542         implicit firstprivate clause.
6543
6544 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6545
6546         PR target/70566
6547         * config/arm/thumb2.md (tst + branch-> lsls + branch
6548         peephole below *orsi_not_shiftsi_si): Require that condition
6549         register is dead after the peephole.
6550         (second peephole after the above): Likewise.
6551
6552 2016-04-08  Alan Modra  <amodra@gmail.com>
6553
6554         PR target/70117
6555         * builtins.c (fold_builtin_classify): For IBM extended precision,
6556         look at just the high-order double to test for NaN.
6557         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
6558         test just the high double for Inf but both doubles for subnormal
6559         limit.
6560
6561 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
6562
6563         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
6564         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
6565         node->simdclone->mask_mode != VOIDmode masks.
6566         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
6567         earlier, use it instead of node->simdclone.
6568         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6569         Set clonei->mask_mode.
6570
6571 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6572
6573         PR c/70436
6574         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
6575         Pass it through to cp_parser_already_scoped_statement.
6576         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
6577         it through to cp_parser_statement.
6578         (cp_parser_statement): Pass IF_P through to
6579         cp_parser_iteration_statement.
6580         (cp_parser_pragma): Adjust call to
6581         cp_parser_iteration_statement.
6582
6583 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
6584
6585         PR c/70436
6586         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
6587         resolve a future -Wparentheses warning.
6588         * omp-low.c (scan_sharing_clauses): Likewise.
6589         * tree-parloops.c (eliminate_local_variables): Likewise.
6590
6591 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
6592
6593         PR rtl-optimization/70398
6594         * lra-constraints.c (process_address_1): Check zero scale and code
6595         for reloading with zero scale.
6596
6597 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
6598
6599         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
6600         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
6601
6602 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
6603
6604         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
6605         Add support for AVX512F clones, include them by default for
6606         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
6607         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
6608         up to 128.
6609
6610         PR middle-end/70550
6611         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
6612         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
6613         firstprivate clauses.
6614         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
6615         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
6616         (lower_omp_target): Set TREE_NO_WARNING for
6617         non-addressable possibly uninitialized vars which are copied into
6618         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
6619
6620 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
6621
6622         * config/pa/predicates.md (integer_store_memory_operand): Accept
6623         REG+D operands with a large offset when reload_in_progress is true.
6624         (floating_point_store_memory_operand): Likewise.
6625
6626 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6627
6628         PR c++/70336
6629         * match.pd (nested int casts): Limit to GIMPLE.
6630
6631 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
6632
6633         PR ipa/66223
6634         * ipa-devirt.c (maybe_record_node): Fix comment; use
6635         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
6636
6637 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6638
6639         PR rtl-optimization/70542
6640         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
6641         if there are any uses other than insn or debug insns.
6642
6643 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
6644             Jakub Jelinek  <jakub@redhat.com>
6645
6646         PR tree-optimization/70509
6647         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
6648         Shift HOST_WIDE_INT_1U instead of 1.
6649
6650 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
6651
6652         PR tree-optimization/70509
6653         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
6654         of the vector base type for index.
6655
6656 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
6657
6658         PR target/70510
6659         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
6660
6661 2016-04-05  Richard Biener  <rguenther@suse.de>
6662
6663         PR tree-optimization/70526
6664         * tree-sra.c (build_ref_for_offset): Use prev_base to
6665         extract the alias pointer type.
6666
6667 2016-04-05  Richard Biener  <rguenther@suse.de>
6668
6669         * dse.c (struct store_info): Remove alias_set member.
6670         (struct read_info_type): Likewise.
6671         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
6672         spill_deleted, clear_alias_set_lookup): Remove.
6673         (get_group_info): Remove dead base == NULL_RTX case.
6674         (dse_step0): Remove initialization of removed variables.
6675         (delete_dead_store_insn): Reomve alias set dumping.
6676         (free_read_records): Remove alias_set handling.
6677         (canon_address): Remove alias_set_out parameter.
6678         (record_store): Remove spill_alias_set, it's always zero.
6679         (check_mem_read_rtx): Likewise.
6680         (dse_step2): Rename from ...
6681         (dse_step2_nospill): ... this.  Adjust.
6682         (scan_stores): Rename from ...
6683         (scan_stores_nospill): ... this.
6684         (scan_reads): Rename from ...
6685         (scan_reads_nospill): ... this.
6686         (scan_stores_spill, scan_reads_spill): Remove.
6687         (dse_step3_scan): Remove for_spills argument which is always false.
6688         (dse_step3): Likewise.
6689         (dse_step5): Rename from ...
6690         (dse_step5_nospill): ... this.  Remove alias_set handling.
6691         (rest_of_handle_dse): Adjust.
6692
6693 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
6694
6695         PR target/70525
6696         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
6697         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
6698         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
6699         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
6700
6701 2016-04-05  Richard Biener  <rguenther@suse.de>
6702
6703         PR middle-end/70499
6704         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
6705         non-register type temporaries into SSA.
6706
6707 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
6708
6709         PR ipa/66223
6710         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
6711         calls when sanitizing.
6712         (possible_polymorphic_call_target_p): Fix formatting.
6713
6714 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6715             Jakub Jelinek <jakub@redhat.com>
6716
6717         PR middle-end/70457
6718         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
6719         to ensure a call statement is compatible with a built-in's
6720         prototype.
6721         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
6722         Likewise.
6723
6724 2016-04-04  Richard Biener  <rguenther@suse.de>
6725
6726         PR rtl-optimization/70484
6727         * rtl.h (canon_output_dependence): Declare.
6728         * alias.c (canon_output_dependence): New function.
6729         * dse.c (record_store): Use canon_output_dependence rather
6730         than canon_true_dependence.
6731
6732 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6733
6734         PR ipa/68881
6735         * cgraph.h (symtab_node::copy_visibility_from): New function.
6736         * symtab.c (symtab_node::copy_visibility_from): New function.
6737         * ipa-visibility.c (optimize_weakref): New function.
6738         (function_and_variable_visibility): Use it.
6739
6740 2016-04-04  Martin Liska  <mliska@suse.cz>
6741
6742         PR hsa/70402
6743         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
6744         value that is really in range handled by SBR instruction.
6745         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
6746         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
6747         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
6748
6749 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
6750
6751         PR target/70416
6752         PR target/67391
6753         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
6754         set, but not for SP_REG operands.
6755
6756 2016-04-02  Martin Sebor  <msebor@redhat.com>
6757
6758         PR c++/67376
6759         * fold-const.c (maybe_nonzero_address): New function.
6760         (fold_comparison): Call it.  Fold equality and relational
6761         expressions involving null pointers.
6762         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
6763
6764 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
6765
6766         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
6767         the "Y" constraint (scalar FP 0.0 immediate).
6768
6769         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
6770         Add the "const_double" to the list of operand constraints.
6771
6772 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
6773
6774         PR rtl-optimization/70467
6775         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
6776         If low word of the last operand is 0, just emit addition/subtraction
6777         for the high word.
6778
6779 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6780
6781         PR target/70404
6782         * config/s390/s390.c (s390_expand_insv): Check for everything
6783         constant instead of just VOIDmode stuff.
6784
6785 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6786
6787         PR target/70496
6788         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
6789
6790 2016-04-01  Nathan Sidwell  <nathan@acm.org>
6791
6792         * tree.def (TRY_CATCH_EXPR): Correct documentation.
6793
6794 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6795
6796         PR rtl-optimization/70461
6797         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
6798         is necessary.
6799
6800 2016-03-31  Martin Liska  <mliska@suse.cz>
6801
6802         PR hsa/70399
6803         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
6804         a tree value or an immediate integer value to a buffer
6805         that is eventually copied to a BRIG section.
6806         (emit_immediate_operand): Call the function here.
6807         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
6808         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
6809         of class' fields that are removed.
6810         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
6811         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
6812         m_brig_repr_size fields.
6813
6814 2016-03-31  Martin Liska  <mliska@suse.cz>
6815
6816         PR hsa/70391
6817         * hsa-gen.c (hsa_function_representation::update_dominance): New
6818         function.
6819         (convert_addr_to_flat_segment): Likewise.
6820         (gen_hsa_memory_set): New alignment argument.
6821         (gen_hsa_ctor_assignment): Likewise.
6822         (gen_hsa_insns_for_single_assignment): Provide alignment
6823         to gen_hsa_ctor_assignment.
6824         (gen_hsa_insns_for_direct_call): Add new argument.
6825         (expand_lhs_of_string_op): New function.
6826         (expand_string_operation_builtin): Likewise.
6827         (expand_memory_copy): New function.
6828         (expand_memory_set): New function.
6829         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
6830         (convert_switch_statements): Change signature.
6831         (generate_hsa): Use a return value of the function.
6832         (pass_gen_hsail::execute): Do not call
6833         convert_switch_statements here.
6834         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
6835         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
6836         (hsa_function_representation::update_dominance): New function.
6837
6838 2016-03-31  Martin Liska  <mliska@suse.cz>
6839
6840         PR hsa/70391
6841         * hsa-brig.c (emit_directive_variable): Emit alignment
6842         according to hsa_symbol::m_align.
6843         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
6844         (dump_hsa_symbol): Dump alignment of HSA symbols.
6845         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
6846         (gen_hsa_addr_with_align): New function.
6847         (hsa_bitmemref_alignment): Use newly added function.
6848         (gen_hsa_insns_for_load): Likewise.
6849         (gen_hsa_insns_for_store): Likewise.
6850         (gen_hsa_memory_copy): New argument added.
6851         (gen_hsa_insns_for_single_assignment): Respect
6852         alignment for assignments processed via gen_hsa_memory_copy.
6853         (gen_hsa_insns_for_direct_call): Likewise.
6854         (gen_hsa_insns_for_return): Likewise.
6855         (gen_function_def_parameters): Set default alignment.
6856         * hsa.c (hsa_object_alignment): New function.
6857         (hsa_byte_alignment): Pasted function.
6858         * hsa.h (hsa_symbol::m_align): New field.
6859
6860 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
6861
6862         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
6863         scratch field for goto case.
6864
6865 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
6866
6867         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
6868
6869 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
6870
6871         PR target/70442
6872         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
6873         (scalar_chain::convert_insn): Call convert_op for reg
6874         moves to handle undefined registers.
6875
6876 2016-03-31  Nathan Sidwell  <nathan@acm.org>
6877
6878         PR c++/70393
6879         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
6880         Assert we don't want to move backwards.
6881
6882 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
6883
6884         PR target/70453
6885         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
6886
6887 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
6888
6889         PR rtl-optimization/70460
6890         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
6891         with operand from REG_LABEL_OPERAND, instead substitute
6892         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
6893         Don't do anything for REG_NON_LOCAL_GOTO jumps.
6894
6895 2016-03-31  Martin Liska  <mliska@suse.cz>
6896
6897         * passes.c (execute_one_pass): Do not call
6898         todo_after for a discarded function.
6899
6900 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
6901
6902         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
6903         (no_cost, infinite_cost): Initialize the new field.
6904         (get_computation_cost_at): Record setup cost.
6905         (determine_use_iv_cost_address): Skip cost computation for sub
6906         uses if we can estimate it without losing accuracy.
6907
6908 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
6909
6910         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
6911         estimates here.
6912         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
6913         max_loop_iterations_int.
6914         (tree_unswitch_outer_loop): Likewise.
6915         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
6916         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
6917
6918 2016-03-30  Richard Biener  <rguenther@suse.de>
6919
6920         PR middle-end/70450
6921         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
6922
6923 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
6924
6925         PR target/70421
6926         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
6927         in gen_blendm expander.
6928
6929 2016-03-30  Nick Clifton  <nickc@redhat.com>
6930
6931         PR target/62254
6932         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
6933         case where we are already provided with an SImode SUBREG.
6934
6935 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
6936
6937         PR target/70439
6938         * config/i386/i386.c (ix86_expand_epilogue): Properly check
6939         conflict between DRAP register and __builtin_eh_return.
6940
6941 2016-03-30  Michael Matz  <matz@suse.de>
6942             Richard Biener  <rguenther@suse.de>
6943
6944         PR ipa/12392
6945         * ipa-polymorphic-call.c (struct type_change_info): Change
6946         speculative to an unsigned allowing to limit the work we do.
6947         (csftc_abort_walking_p): New inline function..
6948         (check_stmt_for_type_change): Limit the number of may-defs
6949         skipped for speculative devirtualization to
6950         max-speculative-devirt-maydefs.
6951         * params.def (max-speculative-devirt-maydefs): New param.
6952         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
6953
6954 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
6955
6956         PR target/63890
6957         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
6958         and TARGET_MACHO.
6959
6960 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
6961
6962         PR tree-optimization/59124
6963         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
6964         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
6965
6966 2016-03-29  Jeff Law  <law@redhat.com>
6967
6968         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
6969
6970 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6971
6972         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
6973         to HOST_WIDE_INT.
6974
6975 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
6976
6977         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
6978         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
6979         gcrt0.o if linking dynamically.
6980
6981 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
6982
6983         PR ipa/70283
6984         * ipa-devirt.c (methods_equal_p): New function.
6985         (compare_virtual_tables): Use it.
6986         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
6987         * cgraphclones.c (clone_function_name_1): Use
6988         symbol_table::symbol_suffix_separator.
6989         * coverage.c (build_var): Likewise.
6990         * symtab.c (symbol_table::symbol_suffix_separator): New.
6991
6992 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
6993
6994         PR rtl-optimization/70429
6995         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
6996         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
6997         mode != result_mode.
6998
6999         PR c++/70353
7000         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
7001
7002         PR tree-optimization/70405
7003         * ssa-iterators.h (num_imm_uses): Add missing braces.
7004
7005 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7006
7007         PR rtl-optimization/68695
7008         * ira-color.c (allocno_copy_cost_saving): New.
7009         (improve_allocation): Use it.
7010
7011 2016-03-29  Richard Henderson  <rth@redhat.com>
7012
7013         PR middle-end/70355
7014         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
7015
7016 2016-03-29  Richard Biener  <rguenther@suse.de>
7017
7018         PR middle-end/70424
7019         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
7020         use alignment returned by get_pointer_alignment_1 if it is
7021         bigger than BITS_PER_UNIT.
7022         * builtins.c (get_pointer_alignment_1): Do not return true
7023         for alignment extracted from SSA info.
7024
7025 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
7026
7027         * config/ft32/ft32.opt (mnodiv): New.
7028         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
7029         * doc/invoke.texi (FT32 Options -mnodiv): New.
7030
7031 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
7032
7033         PR target/70406
7034         * config/i386/i386.md (define_split, andn): Fix modes.
7035
7036 2016-03-26  Richard Biener  <rguenther@suse.de>
7037             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7038
7039         PR ipa/70366
7040         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
7041         instead of
7042         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
7043         as 2nd argument to cl_optimization_restore().
7044
7045 2016-03-25  Richard Henderson  <rth@redhat.com>
7046
7047         PR target/70120
7048         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
7049         * config/aarch64/aarch64-protos.h: Declare it.
7050         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
7051
7052 2016-03-25  Alan Modra  <amodra@gmail.com>
7053
7054         PR target/70052
7055         * config/rs6000/constraints.md (j): Simplify.
7056         * config/rs6000/predicates.md (easy_fp_constant): Exclude
7057         decimal float 0.D.
7058         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
7059         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
7060          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
7061         in all constraint alternatives.
7062         (movtd_64bit_nodm): Delete "j" constraint alternative.
7063
7064 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7065
7066         * tree-ssa-propagate.c: Enhance docs for
7067         SSA_PROP_NOT_INTERESTING.
7068
7069 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
7070
7071         * doc/extend.texi: Fix typo in documentation to pure attribute.
7072
7073 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
7074
7075         PR target/70319
7076         * config/pa/pa.md (bswapdi2): Use a scratch register.
7077
7078 2016-03-24  Richard Henderson  <rth@redhat.com>
7079
7080         PR middle-end/69845
7081         * fold-const.c (extract_muldiv_1): Correct test for multiplication
7082         overflow.
7083
7084 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
7085
7086         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
7087         using ix86_expand_binary_operator instead of gen_andsi3.
7088
7089 2016-03-24  Richard Biener  <rguenther@suse.de>
7090
7091         PR tree-optimization/70396
7092         * tree-vect-stmts.c (vectorizable_comparison): Use
7093         get_vectype_for_scalar_type.
7094
7095 2016-03-24  Richard Biener  <rguenther@suse.de>
7096
7097         PR middle-end/70370
7098         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
7099         with register bases.
7100
7101 2016-03-24  Richard Biener  <rguenther@suse.de>
7102
7103         PR tree-optimization/70372
7104         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
7105         build_all_ones_cst to also handle vector types correctly.
7106
7107 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
7108
7109         PR target/70381
7110         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
7111         -mfloat128 here.
7112
7113 2016-03-23  Marek Polacek  <polacek@redhat.com>
7114
7115         PR c++/69884
7116         * doc/invoke.texi: Document -Wignored-attributes.
7117
7118 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7119
7120         PR tree-optimization/69042
7121         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
7122         parameter from 30 to 40.
7123
7124 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
7125
7126         PR tree-optimization/69042
7127         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
7128         for use with constant offset stripped in base.
7129
7130 2016-03-23  Richard Biener  <rguenther@suse.de>
7131
7132         PR middle-end/70251
7133         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
7134         mode compatibility check.
7135         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7136
7137 2016-03-23  Jeff Law  <law@redhat.com>
7138
7139         PR tree-optimization/64058
7140         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
7141         CONFLICT_COUNT.
7142         (struct ssa_conflicts): Move up earlier in the file.
7143         (conflicts_, var_map_): New static variables.
7144         (initialize_conflict_count): New function to initialize the
7145         CONFLICT_COUNT field for each conflict pair.
7146         (compare_pairs): Lazily initialize the conflict count and use it
7147         as the first tie-breaker.
7148         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
7149         and wipe conflicts_ and map_ around the call to qsort.  Remove
7150         special case for 2 coalesce pairs.
7151         * bitmap.c (bitmap_count_unique_bits): New function.
7152         (bitmap_count_bits_in_word): New function, extracted from
7153         bitmap_count_bits.
7154         (bitmap_count_bits): Use bitmap_count_bits_in_word.
7155         * bitmap.h (bitmap_count_unique_bits): Declare it.
7156
7157 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
7158
7159         PR target/69917
7160         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
7161         transparent alias chain for decl assembler name.
7162         * config/sol2.c (solaris_assemble_visibility): Likewise.
7163
7164 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7165
7166         * config/arm/arm1020e.md (1020call_op): Reduce reservation
7167         duration.
7168         (v10_fdivs): Likewise.
7169         (v10_fdivd): Likewise.
7170
7171 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7172
7173         PR driver/70132
7174         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
7175         to not call fclose twice on file.
7176
7177 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
7178
7179         PR tree-optimization/70354
7180         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
7181         oprnd0 is wider than oprnd1 and there is a cast from the wider
7182         type to oprnd1, mask it with the mask of the narrower type.
7183
7184         PR target/70321
7185         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
7186         Optimize TARGET_STV splitters, if high or low word of last argument
7187         is 0 or -1.
7188
7189 2016-03-22  Jeff Law  <law@redhat.com>
7190
7191         PR target/70232
7192         tree-ssa-threadbackward.c
7193         (fsm_find_control_statement_thread_paths): Correctly distinguish
7194         between old style jump threads vs FSM jump threads.
7195
7196 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
7197
7198         PR target/70302
7199         * config/i386/i386.c (scalar_chain::convert_op): Support
7200         uninitialized register usage case.
7201
7202 2016-03-22  Richard Biener  <rguenther@suse.de>
7203
7204         PR middle-end/70251
7205         * genmatch.c (gen_transform): Adjust last parameter to a three-state
7206         int...
7207         (capture::gen_transform): ... to change behavior when substituting
7208         a condition into cond or not-cond expr context.
7209         (dt_simplify::gen_1): Adjust.
7210         * gimple-match-head.c: Include gimplify.h for unshare_expr.
7211         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
7212         last change and instead change to
7213         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
7214         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7215
7216 2016-03-22  Anthony Green  <green@moxielogic.com>
7217
7218         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
7219         issue for moxiebox targets.
7220         (CC1PLUS_SPEC): Ditto.
7221
7222 2016-03-22  Richard Biener  <rguenther@suse.de>
7223
7224         PR middle-end/70333
7225         * fold-const.c (extract_muldiv_1): Properly perform multiplication
7226         in the wide type.
7227
7228 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7229
7230         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
7231
7232 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
7233
7234         PR target/70325
7235         * config/i386/i386.c (def_builtin): Handle
7236         OPTION_MASK_ISA_AVX512VL to be and-ed with other
7237         bits.
7238         (const struct builtin_description bdesc_special_args[]):
7239         Remove duplicate ISA bits.
7240
7241 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
7242
7243         PR target/70329
7244         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
7245         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
7246         in a way that works also for AVX512BW.
7247
7248         PR target/70300
7249         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
7250         instead of source if operands[1] is xmm16 and above and
7251         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
7252         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
7253
7254         PR c++/70295
7255         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
7256         on assign if (*from_p) is a comparison, set it to
7257         TREE_NO_WARNING (*from_p).
7258
7259 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7260
7261         PR middle-end/70326
7262         * lra.c (restore_scratches): Ignore deleted insns.
7263
7264 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
7265             Jakub Jelinek  <jakub@redhat.com>
7266
7267         PR tree-optimization/70317
7268         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
7269         to HONOR_NANS.
7270
7271 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
7272
7273         PR target/70327
7274         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
7275         of ix86_expand_move.
7276         (movoi): Ditto.
7277         (movti): Use general_operand for operand 1 predicate.
7278
7279 2016-03-21  Martin Liska  <mliska@suse.cz>
7280
7281         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
7282         insns.
7283         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
7284
7285 2016-03-21  Martin Liska  <mliska@suse.cz>
7286
7287         PR ipa/70306
7288         * ipa-icf.c (sem_function::parse): Skip static
7289         constructors and destructors.
7290
7291 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
7292
7293         PR target/70296
7294         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
7295         function-like macro, peek following token(s) if it is followed
7296         by CPP_OPEN_PAREN token with optional padding in between, and
7297         if not, don't treat it like a macro.
7298
7299 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
7300             Alexander Monakov  <amonakov@ispras.ru>
7301
7302         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
7303         for the stabs debug format.
7304
7305 2016-03-21  Richard Biener  <rguenther@suse.de>
7306
7307         PR tree-optimization/70310
7308         * tree-vect-generic.c (expand_vector_condition): Fold the built
7309         condition.
7310
7311 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7312
7313         PR target/70293
7314         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
7315         Block third alternative for AVX-512VL target,
7316
7317 2016-03-21  Martin Liska  <mliska@suse.cz>
7318
7319         PR hsa/70234
7320         * hsa-brig.c (emit_function_directives): Mark unemitted
7321         global variables for emission.
7322         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
7323         (get_symbol_for_decl): Likewise.
7324         * hsa.h (struct hsa_symbol): New flag.
7325
7326 2016-03-21  Richard Biener  <rguenther@suse.de>
7327
7328         PR tree-optimization/70288
7329         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
7330         we do not estimate unsimplified all-constant conditionals or
7331         switches as optimized away.
7332
7333 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
7334
7335         PR rtl-optimization/69102
7336         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
7337         when we have a readonly dependency context.
7338
7339 2016-03-18  Jeff Law  <law@redhat.com>
7340
7341         PR rtl-optimization/70263
7342         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
7343         (update_equiv_regs): When trying to move a store to after the insn
7344         that sets the source of the store, make sure the store occurs after
7345         the insn that sets the source of the store.  When successful note
7346         the REG_EQUIV note created in the dump file.
7347
7348 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
7349             Bernd Schmidt  <bschmidt@redhat.com>
7350
7351         * doc/extend.texi: Document more potential problems with basic asms.
7352
7353 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
7354
7355         PR rtl-optimization/70278
7356         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
7357         VOIDmode.
7358
7359 2016-03-18  Jason Merrill  <jason@redhat.com>
7360
7361         * calls.c (load_register_parameters): Fix zero size sibcall logic.
7362
7363 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
7364
7365         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
7366         values to 128b regs.
7367
7368 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
7369
7370         PR tree-optimization/70252
7371         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
7372         boolean vector has a proper number of elements.
7373         (supportable_narrowing_operation): Likewise.
7374
7375 2016-03-18  Tom de Vries  <tom@codesourcery.com>
7376
7377         PR ipa/70269
7378         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
7379
7380 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
7381
7382         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
7383         instead of replace_rtx for DEBUG_INSNs.
7384
7385 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7386
7387         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
7388         load type reservations.
7389
7390 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
7391
7392         PR target/70188
7393         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
7394         define_constraint for "Q" and "T" constraints.
7395
7396 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
7397
7398         Tweak the pipeline model for Exynos M1
7399
7400         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
7401         model.
7402
7403 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
7404
7405         PR c/70264
7406         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
7407         where one or both locations aren't within a line_map.
7408
7409 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
7410
7411         PR driver/70192
7412         * opts.c (finish_options): Don't set flag_pie to the default if
7413         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
7414         if it is -1.
7415
7416 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
7417
7418         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
7419         true as ALL_REGS argument to replace_rtx.
7420
7421 2016-03-17  Richard Biener  <rguenther@suse.de>
7422
7423         PR debug/70271
7424         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
7425         last.
7426
7427 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7428
7429         PR target/70245
7430         * rtl.h (replace_rtx): Add ALL_REGS argument.
7431         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
7432         equality and assert mode is the same, instead of just rtx pointer
7433         equality.
7434         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
7435         true as ALL_REGS argument to replace_rtx.
7436
7437 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
7438
7439         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
7440         for boolean vector with vector mode only.
7441         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
7442
7443 2016-03-17  Nick Clifton  <nickc@redhat.com>
7444
7445         PR target/70162
7446         * config/rx/rx.c (rx_print_integer): Print negative constants in
7447         decimal.
7448
7449 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
7450
7451         PR target/70261
7452         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
7453
7454 2016-03-16  Richard Henderson  <rth@redhat.com>
7455             Richard Biener  <rguenth@suse.de>
7456
7457         PR middle-end/70240
7458         PR middle-end/68215
7459         PR tree-opt/68714
7460         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
7461         first operand as is_gimple_condexpr.
7462
7463         PR middle-end/70240
7464         PR middle-end/68215
7465         Revert r231575
7466         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
7467         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
7468         Do not gimplify the result.
7469         (do_unop): Adjust call to tree_vec_extract.
7470         (do_binop): Likewise.
7471         (do_compare): Likewise.
7472         (do_plus_minus): Likewise.
7473         (do_negate): Likewise.
7474         (expand_vector_condition): Likewise.
7475         (do_cond): Likewise.
7476
7477 2016-03-16  Richard Henderson  <rth@redhat.com>
7478
7479         PR target/70048
7480         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
7481         (aarch64_classify_address): Use it.
7482         (aarch64_legitimize_address): Force all subexpressions of PLUS
7483         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
7484
7485 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
7486             Richard Biener  <rguenth@suse.de>
7487
7488         PR target/70245
7489         * rtlanal.c (replace_rtx): For REG, if from is a REG,
7490         return to even if only REGNO is equal, and assert
7491         mode is the same.
7492
7493 2016-03-11  Jeff Law  <law@redhat.com>
7494
7495         PR rtl-optimization/70224
7496         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
7497
7498 2016-03-16  Richard Henderson  <rth@redhat.com>
7499
7500         PR middle-end/70199
7501         * function.h (struct function): Add has_forced_label_in_static.
7502         * gimplify.c (force_labels_r): Set it.
7503         * lto-streamer-in.c (input_struct_function_base): Read it.
7504         * lto-streamer-out.c (output_struct_function_base): Write it.
7505         * tree-inline.c (has_label_address_in_static_1): Remove.
7506         (copy_forbidden): Remove fndecl parameter; test
7507         has_forced_label_in_static.
7508         (inline_forbidden_p): Update call to copy_forbidden.
7509         (tree_versionable_function_p): Likewise.
7510         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
7511         (chkp_versioning): Likewise.
7512         * tree-inline.h (copy_forbidden): Update decl.
7513
7514 2016-03-16  Marek Polacek  <polacek@redhat.com>
7515
7516         PR c/70093
7517         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
7518         function being thunked if the result type doesn't have fixed size.
7519         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
7520         doesn't have fixed size.
7521
7522 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
7523
7524         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
7525         reporting malformed loop nest.
7526
7527 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7528
7529         PR lto/70187
7530         * ipa-devirt.c (possible_polymorphic_call_targets): Move
7531         nodes.length () == 1 test to before first nodes[0] access.
7532
7533 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7534
7535         PR tree-optimization/68715
7536         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
7537         single_pred_p test.
7538
7539 2016-03-16  Tom de Vries  <tom@codesourcery.com>
7540
7541         PR tree-optimization/68809
7542         * graphite-scop-detection.c (same_close_phi_node): Test if result types
7543         are the same.
7544
7545 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
7546             Sandra Loosemore  <sandra@codesourcery.com>
7547
7548         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
7549         on leaf attribute. Mention ELF interposition problems.
7550
7551 2016-03-16  Alan Modra  <amodra@gmail.com>
7552
7553         PR rtl-optimization/69195
7554         PR rtl-optimization/47992
7555         * ira.c (indirect_jump_optimize): Ignore artificial defs.
7556         Add comments.
7557
7558 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
7559
7560         PR bootstrap/69513
7561         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
7562
7563 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7564
7565         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
7566
7567 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
7568
7569         PR rtl-optimization/70222
7570         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
7571         optimization if mode is different from result_mode, queue up masking
7572         of the result in outer_op.  Formatting fix.
7573
7574         PR middle-end/70239
7575         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
7576         of safe_grow.
7577
7578 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7579
7580         PR rtl-optimization/69032
7581         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
7582         looping backwards over basic block insns.
7583
7584 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7585
7586         PR target/66660
7587         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
7588         to non-speculative when propagating trap bits.
7589
7590 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7591
7592         PR rtl-optimization/63384
7593         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
7594         DEBUG_INSN_P insns.
7595
7596 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
7597
7598         PR target/64411
7599         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
7600         factored out from ...
7601         (sched_analyze_insn): ... here.
7602         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
7603         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
7604         get_implicit_reg_pending_clobbers in it.
7605         (setup_id_reg_sets): Use setup_id_implicit_regs.
7606         (deps_init_id): Ditto.
7607
7608 2016-03-15  Tom de Vries  <tom@codesourcery.com>
7609
7610         PR ipa/70161
7611         * cgraph.c (cgraph_node::get_body): Save, reset and restore
7612         dump_file_name.
7613         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
7614         execute_function_dump.
7615         (execute_one_pass): Don't dump function if it will be dumped after ipa
7616         transform.
7617
7618 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
7619
7620         * genrecog.c (match_pattern_2): If pred is NULL don't call
7621         safe_predicate_mode on it.
7622
7623 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
7624
7625         PR middle-end/70219
7626         * lra-constraints.c (delete_move_and_clobber): Change assertion
7627         to also allow dregno == 0.
7628
7629 2016-03-14  Richard Henderson  <rth@redhat.com>
7630
7631         PR tree-opt/68714
7632         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
7633         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
7634         (reassociate_bb): Use optimize_vec_cond_expr; avoid
7635         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
7636         on vectors.
7637
7638 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
7639
7640         PR target/70083
7641         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
7642         regs.
7643         (lra_create_live_ranges_1): initialize hard register biggest_mode to
7644         VOIDmode.
7645         * lra-constraints.c (split_reg): For hard regs, try to find the
7646         biggest single-register mode used in the function.
7647
7648 2016-03-14  Richard Biener  <rguenther@suse.de>
7649
7650         PR tree-optimization/56365
7651         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
7652         constants to compare against.
7653
7654 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
7655
7656         PR target/70098
7657         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
7658         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
7659         (define_split for the GPR case): Use int_reg_operand instead of
7660         gpc_reg_operand for the output.
7661
7662 2016-03-14  Tom de Vries  <tom@codesourcery.com>
7663
7664         PR tree-optimization/70045
7665         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
7666         create_empty_if_region_on_edge argument.
7667
7668 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
7669
7670         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
7671         (STACK_CHECK_PROTECT): Likewise.
7672         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7673         (STACK_CHECK_PROTECT): Likewise.
7674         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
7675         (STACK_CHECK_PROTECT): Likewise.
7676         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
7677         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
7678         (STACK_CHECK_PROTECT): Likewise.
7679
7680 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
7681
7682         PR rtl-optimization/69307
7683         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
7684         registers in modes that span more than one register.
7685
7686 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
7687
7688         PR target/69614
7689         * lra-constraints.c (delete_move_and_clobber): New.
7690         (remove_inheritance_pseudos): Use it.
7691
7692 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
7693
7694         PR ada/70017
7695         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
7696         the libcall is LCT_THROW.
7697         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
7698         for the checking routine.
7699
7700 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
7701
7702         PR target/70131
7703         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
7704         optimization if we have direct move.
7705         (roundu32<mode>2_fprs): Likewise.
7706
7707 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
7708
7709         PR target/70123
7710         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
7711         be rematerialized.
7712         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
7713         Arguments swapped.  All callers changed.  Take reg_renumber into
7714         account, and Calculate and compare register ranges for hard regs.
7715
7716 2016-03-11  Jeff Law  <law@redhat.com>
7717
7718         PR tree-optimization/70190
7719         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7720         Handle cases where we can not extract the taken edge, even though we
7721         found a constant value.
7722
7723         PR tree-optimization/64058
7724         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
7725         (num_coalesce_pairs): Move up earlier in file.
7726         (find_coalesce_pair): Initialize the INDEX field for each pair
7727         discovered.
7728         (compare_pairs): No longer sort on the elements in each pair.
7729         Instead break ties with the index of the coalesce pair.
7730
7731 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7732
7733         PR target/70002
7734         * config/aarch64/aarch64-protos.h
7735         (aarch64_save_restore_target_globals): New prototype.
7736         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
7737         Call the above when popping pragma.
7738         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
7739         New function.
7740         (aarch64_set_current_function): Rewrite using the above.
7741
7742 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7743
7744         PR tree-optimization/70177
7745         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
7746         (extract_ops_from_tree): ... this.  In the 2 argument
7747         overload remove _1 suffix.
7748         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
7749         (extract_ops_from_tree): ... this.
7750         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
7751         Adjust callers.
7752         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
7753         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
7754         extract_ops_from_tree instead of 2 operand one.
7755
7756 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
7757
7758         PR tree-optimization/70013
7759         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
7760         for constant-pool entries.
7761
7762 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
7763
7764         PR rtl-optimization/70174
7765         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
7766         followed by gen_lowpart on force_reg instead of just gen_lowpart.
7767
7768         PR tree-optimization/70169
7769         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
7770         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
7771         for unknown codes.
7772
7773 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
7774             Jakub Jelinek  <jakub@redhat.com>
7775
7776         PR target/70160
7777         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
7778         of uninitialized values.
7779
7780 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7781
7782         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
7783         define_expand.
7784         ("*trunctddd2"): New pattern definition.
7785         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
7786         TD->DD truncation.
7787
7788 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7789
7790         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
7791         definitions for BFP and DFP rounding modes.
7792         ("fixuns_truncdddi2", "fixuns_trunctddi2")
7793         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
7794         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
7795         ("fix_trunctf<mode>2"): Use the new constants instead of magic
7796         numbers.
7797
7798 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7799
7800         * config/s390/constraints.md: Adjust comment.
7801         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
7802         s390_decompose_addrstyle_without_index.
7803         * config/s390/predicates.md (shift_count_or_setmem_operand):
7804         Rename to setmem_operand.
7805         * config/s390/s390-protos.h
7806         (s390_decompose_shift_count): Rename to
7807         s390_decompose_addrstyle_without_index.
7808         * config/s390/s390.c (s390_decompose_shift_count)
7809         (s390_mem_constraint, print_shift_count_operand)
7810         (print_operand_address, print_operand): Rename
7811         s390_decompose_shift_count to
7812         s390_decompose_addrstyle_without_index and rename
7813         print_shift_count_operand to print_addrstyle_operand troughout the
7814         file.
7815         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
7816         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
7817         Rename shift_count_or_setmem_operand to setmem_operand.
7818         * config/s390/vx-builtins.md ("vec_insert<mode>")
7819         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
7820         nonmemory_operand.
7821
7822 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7823
7824         PR target/70168
7825         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
7826         Handle overlapping retval and newval.
7827
7828 2016-03-10  Nick Clifton  <nickc@redhat.com>
7829
7830         PR target/7044
7831         * config/aarch64/aarch64.c
7832         (aarch64_override_options_after_change_1): When forcing
7833         flag_omit_frame_pointer to be true, use a special value that can
7834         be detected if this function is called again, thus preventing
7835         flag_omit_leaf_frame_pointer from being forced to be false.
7836
7837 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7838
7839         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
7840         Set x_flag_omit_leaf_frame_pointer when handling
7841         -momit-leaf-frame-pointer.
7842
7843 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7844
7845         PR lto/69589
7846         * cgraph.c (cgraph_node::dump): Dump split_part and
7847         indirect_call_target.
7848         * cgraph.h (cgraph_node): Add indirect_call_target flag.
7849         * ipa.c (has_addr_references_p): Cleanup.
7850         (is_indirect_call_target_p): New.
7851         (walk_polymorphic_call_targets): Do not mark virtuals that may be
7852         called indirectly as local.
7853         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
7854
7855 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7856
7857         PR ipa/69630
7858         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
7859         on cxa_pure_virtual.
7860
7861 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7862
7863         PR lto/69589
7864         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
7865
7866 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
7867
7868         PR lto/69589
7869         * tree.c (need_assembler_name_p): Only record main variant type names.
7870
7871 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
7872
7873         PR target/70113.
7874         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
7875         Always define to 0 or 1.
7876         (TARGET_FIX_ERR_A53_843419): New macro.
7877         * config/aarch64/aarch64-elf-raw.h
7878         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
7879         * config/aarch64/aarch64-linux.h: Likewise.
7880         * config/aarch64/aarch64.c
7881         (aarch64_override_options_after_change_1): Do not default
7882         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
7883         843419 is on.
7884         (aarch64_attributes): Handle fix-cortex-a53-843419.
7885         (aarch64_can_inline_p): Likewise.
7886         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
7887
7888 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
7889         Jakub Jelinek <jakub@redhat.com>
7890
7891         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
7892         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
7893         DECL_COMMONS if flag_unconstrained_commons is set.
7894         * tree-dfa.c (get_ref_base_and_extent): Likewise.
7895         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
7896         (funconstrained-commons): Document.
7897
7898 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
7899
7900         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
7901         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
7902
7903 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
7904
7905         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
7906         has a proper number of elements.
7907
7908 2016-03-10  Alan Modra  <amodra@gmail.com>
7909
7910         PR rtl-optimization/69195
7911         PR rtl-optimization/47992
7912         * ira.c (recorded_label_ref): Delete.
7913         (update_equiv_regs): Return void.
7914         (indirect_jump_optimize): New function.
7915         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
7916         before regstat_compute_ri.  Don't rebuild_jump_labels here.
7917         Delete update_regstat.
7918
7919 2016-03-10  Richard Biener  <rguenther@suse.de>
7920
7921         PR tree-optimization/70128
7922         * tree-ssa-structalias.c (set_uids_in_ptset): Set
7923         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
7924
7925 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
7926
7927         PR tree-optimization/70152
7928         * tree-sra.c (replace_removed_params_ssa_names): Copy over
7929         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
7930
7931         PR target/70086
7932         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
7933         instead of gen_sse2_loadlpd.
7934         * config/i386/sse.md (*vec_concatv2df): Rename to...
7935         (vec_concatv2df): ... this.
7936
7937         PR tree-optimization/70127
7938         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
7939
7940 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
7941
7942         PR c/68473
7943         PR c++/70105
7944         * diagnostic-show-locus.c (compatible_locations_p): New function.
7945         (layout::layout): Sanitize ranges using compatible_locations_p.
7946
7947 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
7948
7949         PR c/68473
7950         PR c++/70105
7951         * diagnostic-show-locus.c (layout_range::layout_range): Replace
7952         location_range param with three const expanded_locations * and a
7953         bool.
7954         (layout::layout): Replace call to
7955         rich_location::lazily_expand_location with get_expanded_location.
7956         Extract the range and perform location expansion here, passing
7957         the results to the layout_range ctor.
7958         * diagnostic.c (source_range::debug): Delete.
7959         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
7960         of rich_location::get_expanded_location.
7961         * gcc-rich-location.c (get_range_for_expr): Delete.
7962         (gcc_rich_location::add_expr): Reimplement to avoid the
7963         rich_location::add_range overload that took a location_range,
7964         passing a location_t instead.
7965
7966 2016-03-09  Richard Biener  <rguenther@suse.de>
7967         Jakub Jelinek  <jakub@redhat.com>
7968
7969         PR tree-optimization/70138
7970         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
7971         Also skip vect_double_reduction_def.
7972
7973 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
7974
7975         PR target/70049
7976         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
7977         if the operand is "m".
7978
7979 2016-03-09  Nathan Sidwell  <nathan@acm.org>
7980
7981         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
7982
7983 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
7984
7985         * config/i386/i386.c (processor_target_table): Fix cost table
7986         intialization order for znver1.
7987
7988 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
7989
7990         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
7991         - becuase -> because.
7992         * ipa-reference.c (ignore_module_statics): Likewise.
7993         * cgraph.c (cgraph_node::get_body): Likewise.
7994         * ipa-inline.c (early_inliner): Likewise.
7995         * ipa-devirt.c (types_same_for_odr): Likewise.
7996         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
7997         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
7998
7999 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8000
8001         * tree-ssa-math-opts.c: Fix typo in comment.
8002
8003 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
8004
8005         PR target/70110
8006         * config/i386/i386.c (scalar_chain::make_vector_copies,
8007         scalar_chain::convert_reg): Call end_sequence in between
8008         get_insns and emit_conversion_insns rather than after both
8009         calls.
8010
8011 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
8012
8013         PR target/70064
8014         * config/i386/i386.h (machine_function): Add
8015         pc_thunk_call_expanded flag.
8016         (ix86_pc_thunk_call_expanded): New define.
8017         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
8018         (*set_got): Rename insn pattern from set_got.
8019         (*set_got_labelled): Rename inst pattern from set_got_labelled.
8020         * config/i386/i386.c (ix86_compute_frame_layout): Use
8021         ix86_pc_thunk_call_expanded to prevent red-zone.
8022
8023 2016-03-07  Martin Jambor  <mjambor@suse.cz>
8024
8025         * hsa.h (hsa_get_ctor_statements): Declare.
8026         (hsa_get_dtor_statements): Likewise.
8027         (hsa_get_kernel_dispatch_type): Likewise.
8028         * hsa.c (hsa_get_ctor_statements): New function.
8029         (hsa_get_dtor_statements): Likewise.
8030         (hsa_get_kernel_dispatch_type): Likewise.
8031         * hsa-brig.c (hsa_cdtor_statements): Removed.
8032         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
8033         hsa_get_dtor_statements.
8034         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
8035         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
8036
8037 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
8038
8039         * config/arm/arm-cores.def (cortex-r8): New.
8040         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
8041         * config/arm/arm-tune.md: Likewise.
8042         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
8043
8044 2016-03-07  Martin Sebor  <msebor@redhat.com>
8045
8046         PR rtl-optimization/19705
8047         * doc/invoke.texi (Options That Control Optimization): Clarify
8048         -fno-branch-count-reg.
8049
8050 2016-02-26  Richard Biener  <rguenther@suse.de>
8051             Jeff Law  <law@redhat.com>
8052
8053         PR tree-optimization/69740
8054         * cfghooks.c (remove_edge): Request loop fixups if we delete
8055         an edge that might turn an irreducible loop into a natural
8056         loop.
8057         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
8058         Move after definition of loops_state_clear.
8059
8060 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
8061
8062         PR rtl-optimization/69052
8063         * rtlanal.c (commutative_operand_precedence): Set higher precedence
8064         to CONST_WIDE_INT.
8065
8066 2016-03-07  Tom de Vries  <tom@codesourcery.com>
8067
8068         PR tree-optimization/70116
8069         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
8070         is_tm_ending stmts and ubsan/asan internal functions.
8071         (find_duplicate): Use it.  Don't test is_tm_ending here.
8072
8073 2016-03-07  Richard Biener  <rguenther@suse.de>
8074
8075         PR tree-optimization/70115
8076         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
8077         (propagate_constants_for_unrolling): Use replace_uses_by.
8078
8079 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
8080
8081         PR middle-end/69916
8082         * omp-low.c (struct oacc_loop): Add ifns.
8083         (new_oacc_loop_raw): Initialize it.
8084         (finish_oacc_loop): Clear mask & flags if no ifns.
8085         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
8086         (oacc_loop_xform_loop): Add ifns arg & adjust.
8087         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
8088
8089 2016-03-07  Richard Henderson  <rth@redhat.com>
8090
8091         PR rtl-opt/70061
8092         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
8093         (insert_value_copy_on_edge): Likewise.
8094
8095 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8096
8097         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
8098
8099 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8100
8101         PR target/62281
8102         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
8103
8104 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8105
8106         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
8107
8108 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
8109
8110         Fix sseimul type attribute.
8111         * config/i386/znver1.md
8112         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
8113         znver1_sseimul_avx256_load) : Fix the type attribute.
8114         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
8115         pipe usage and latency.
8116
8117 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
8118
8119         PR c++/70084
8120         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
8121         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
8122         to the right type.
8123
8124 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8125
8126         PR c/69973
8127         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
8128
8129         PR rtl-optimization/69941
8130         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
8131         the reg share its mode.
8132
8133 2016-03-04  Jeff Law  <law@redhat.com>
8134
8135         PR tree-optimization/69196
8136         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8137         If the both SSA_NAMEs are anonymous, then consider them unassociated
8138         and include the PHI in the statement count.
8139
8140 2016-03-05  Tom de Vries  <tom@codesourcery.com>
8141
8142         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
8143         construct in oacc routine.  Check for oacc region in oacc routine.
8144
8145 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8146
8147         PR target/70062
8148         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
8149         2016-02-22 changes, instead don't recurse if RECUR is already true.
8150         Don't change *dynamic_check if RECUR.  Adjust recursive caller
8151         to pass true to the new argument.
8152         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
8153
8154         PR target/70059
8155         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
8156         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
8157         fixes.
8158         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
8159
8160 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
8161
8162         PR rtl-optimization/57676
8163         * lra-assigns.c (lra_assign): Guard test for maximum iterations
8164         with flag_checking.
8165
8166 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
8167
8168         * tree-vect-patterns.c (search_type_for_mask): Handle
8169         comparison of booleans.
8170
8171 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
8172
8173         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
8174         Fix @xref usage.
8175
8176         PR debug/69947
8177         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
8178         all other ops that have dw_val_class_die_ref operands,
8179         and DW_OP_GNU_entry_value.
8180
8181 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8182
8183         PR rtl-optimization/69904
8184         * config/arm/arm.c (arm_cannot_copy_insn_p):
8185         Return true for load-exclusive instructions.
8186
8187 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
8188
8189         PR target/70021
8190         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
8191         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
8192         the pattern no matter if it is used just by non-pattern, pattern
8193         or mix thereof.
8194         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
8195         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
8196         oprnd1 def_stmt is in pattern, don't look through it.
8197
8198 2016-03-03  Marek Polacek  <polacek@redhat.com>
8199
8200         PR middle-end/70050
8201         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
8202
8203 2016-03-03  Martin Liska  <mliska@suse.cz>
8204
8205         PR tree-optimization/70043
8206         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
8207         previous statement if we see a debug statement.
8208
8209 2016-03-03  Richard Biener  <rguenther@suse.de>
8210
8211         PR tree-optimization/55936
8212         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
8213         parameter and guard unsafe equivalence use.
8214         (vrp_evaluate_conditional_warnv_with_ops): Always use
8215         safe equivalences but not via the quadratic compare_names
8216         helper.
8217
8218 2016-03-03  Michael Collison  <michael.collison@linaro.org>
8219
8220         PR target/70014
8221         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
8222         for operand 1 to s_register_operand. Change predicate for operand
8223         2 to arm_not_immediate_operand.
8224
8225 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
8226
8227         * doc/tm.texi: Regenerated.
8228
8229 2016-03-02  Richard Henderson  <rth@redhat.com>
8230
8231         PR rtl-opt/67145
8232         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
8233         simplification when all args are positive non-fixed registers.
8234
8235 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8236
8237         * target.def (lra_p): Specify that new ports should use LRA.
8238
8239 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8240
8241         PR libgomp/69555
8242         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
8243         gimplify_type_sizes the type they refer to.
8244         (omp_notice_variable): Handle reference vars to VLAs.
8245         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
8246         reference to VLA decls in the second pass instead of first pass.
8247
8248 2016-03-02  Tom de Vries  <tom@codesourcery.com>
8249
8250         PR tree-optimization/68659
8251         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
8252         new_expr == NULL_TREE.
8253         (get_new_name): Handle ADDR_EXPR.
8254
8255 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
8256
8257         PR rtl-optimization/69052
8258         * loop-invariant.c (canonicalize_address): New function.
8259         (inv_can_prop_to_addr_use): Check validity of address expression
8260         which is canonicalized by above function.
8261
8262 2016-03-02  Alan Modra  <amodra@gmail.com>
8263
8264         PR ipa/69990
8265         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
8266         larger alignment.
8267
8268 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
8269
8270         PR target/70028
8271         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
8272         (*movhi_internal): Put mask moves from and to memory separately
8273         from moves from/to GPRs.
8274
8275 2016-03-02  Richard Biener  <rguenther@suse.de>
8276
8277         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
8278         GENERIC expressions in GIMPLE.
8279
8280 2016-03-02  Richard Biener  <rguenther@suse.de>
8281
8282         * config/i386/i386.c (type_natural_mode): Fix typo.
8283
8284 2016-03-02  Nick Clifton  <nickc@redhat.com>
8285
8286         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
8287
8288 2016-03-02  Richard Biener  <rguenther@suse.de>
8289             Uros Bizjak  <ubizjak@gmail.com>
8290
8291         PR target/67278
8292         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
8293
8294 2016-03-02  Richard Biener  <rguenther@suse.de>
8295
8296         PR middle-end/67278
8297         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
8298
8299 2016-03-02  Marek Polacek  <polacek@redhat.com>
8300
8301         PR c/67854
8302         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
8303         "is promoted to" warning.
8304
8305 2016-03-01  DJ Delorie  <dj@redhat.com>
8306
8307         * config.gcc: Deprecate mep-*.
8308
8309 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
8310
8311         PR middle-end/70025
8312         * lra-constraints.c (regno_val_use_in): New.
8313         (match_reload): Use it instead of regno_use_in.
8314
8315 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8316
8317         PR rtl-optimization/70007
8318         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
8319         references present in REG_EQUAL notes attached to non-SET patterns.
8320
8321 2016-03-01  Jeff Law  <law@redhat.com>
8322
8323         PR tree-optimization/69196
8324         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8325         Appropriately clamp the number of statements to copy when the
8326         thread path does not traverse a loop backedge.
8327
8328         PR tree-optimization/69196
8329         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
8330         Do count some PHIs in the thread path against the insn count.  Decrease
8331         final statement count by one as the control statement in the last
8332         block will get removed.  Remove special cased code for handling PHIs
8333         in the last block.
8334
8335 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
8336
8337         PR target/70027
8338         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
8339         asm dialect alternatives to explicit GOTPCREL calls.
8340
8341 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
8342
8343         PR ada/70017
8344         * ira.c (do_reload): Issue warning for generic stack checking here...
8345         * reload1.c (reload): ...instead of here and streamline it.
8346
8347 2016-03-01  Nick Clifton  <nickc@redhat.com>
8348
8349         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
8350
8351 2016-03-01  Richard Biener  <rguenther@suse.de>
8352
8353         PR tree-optimization/69983
8354         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
8355         types and fall back to operand_equal_p.
8356
8357 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8358
8359         Revert
8360         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8361
8362         * config/s390/constraints.md ("jm8"): New constraint.
8363         * config/s390/predicates.md ("const_int_8bitset_operand"): New
8364         predicate.
8365         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
8366         into ...
8367         ("*setmem_long<setmem_and>"): New pattern.
8368         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
8369         into ...
8370         ("*setmem_long_31z<setmem_and>"): New pattern.
8371         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
8372         New substitution rules with the required attributes.
8373
8374
8375 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8376
8377         Revert
8378         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8379
8380         * gensupport.c (process_substs_on_one_elem): Split loop to
8381         complete mark_operands_used_in_match_dup on all expressions in the
8382         vector first.
8383         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8384         and remove function.
8385
8386 2016-03-01  Richard Biener  <rguenther@suse.de>
8387
8388         PR middle-end/70022
8389         * fold-const.c (fold_indirect_ref_1): Fix range checking for
8390         vector BIT_FIELD_REF extract.
8391
8392 2016-03-01  Richard Biener  <rguenther@suse.de>
8393
8394         PR tree-optimization/69994
8395         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
8396
8397 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
8398
8399         PR tree-optimization/69956
8400         * tree-vect-stmts.c (supportable_widening_operation): Support
8401         multi-step conversion of boolean vectors.
8402         (supportable_narrowing_operation): Likewise.
8403
8404 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8405
8406         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
8407         anymore.
8408
8409 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8410
8411         * config/s390/subst.md (DSI_VI): New mode iterator.
8412         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
8413         * config/s390/vector.md ("vec_set<mode>"): Move expander before
8414         the insn definition.
8415         ("*vec_set<mode>"): Change predicate and add alternative to
8416         support only either register or const_int operands as element
8417         selector.
8418         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
8419         operands.
8420         ("vec_extract<mode>"): New expander.
8421         ("*vec_extract<mode>"): New insn definition supporting reg and
8422         const_int element selectors.
8423         ("*vec_extract<mode>_plus"): New insn definition supporting
8424         reg+const_int element selectors.
8425         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
8426         following expander+insn definition.
8427         ("<vec_shifts_name><mode>3"): New expander.
8428         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
8429
8430 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8431
8432         * config/s390/s390.md ("*tabort_1"): Change predicate to
8433         nonmemory_operand.  Add a second alternative to cover
8434         register as well as const int operands.
8435         ("*tabort_1_plus"): New pattern definition.
8436
8437 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8438
8439         * config/s390/s390.md ("*ashrdi3_cc_31")
8440         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
8441         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
8442         Merge insn definitions into ...
8443         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8444         New pattern definition.
8445         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
8446         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
8447         ("*ashr<mode>3_and"): Merge insn definitions into ...
8448         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
8449         New pattern definition.
8450         * config/s390/subst.md ("addr_style_op_cc_subst")
8451         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
8452         substitutions patterns plus attributes.
8453         Add ashiftrt to SUBST iterator.
8454
8455 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8456
8457         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
8458         op2 to nonmemory_operand.
8459         ("*<shift>di3_31", "*<shift>di3_31_and"):
8460         Merge into single pattern definition ...
8461         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
8462         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
8463         pattern definition ...
8464         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
8465         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
8466         iterator.
8467
8468 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8469
8470         * config/s390/predicates.md (const_int_6bitset_operand): New
8471         predicate.
8472         * config/s390/s390.md: Include subst.md.
8473         ("rotl<mode>3"): New expander.
8474         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
8475         ...
8476         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
8477         * config/s390/subst.md: New file.
8478
8479 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8480
8481         * config/s390/s390.md ("op_type", "atype", "length" attributes):
8482         Remove RRR type.  It doesn't really exist.
8483         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
8484         attributes.
8485         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
8486         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
8487         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
8488         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
8489         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
8490         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
8491         `enabled' attribute.
8492
8493 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8494
8495         * gensupport.c (process_substs_on_one_elem): Split loop to
8496         complete mark_operands_used_in_match_dup on all expressions in the
8497         vector first.
8498         (adjust_operands_numbers): Inline into process_substs_on_one_elem
8499         and remove function.
8500
8501 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8502
8503         PR target/69706
8504         * config/sparc/sparc.c (NWORDS_UP): Rename to...
8505         (CEIL_NWORDS): ...this.  Use CEIL macro.
8506         (compute_fp_layout): Adjust to above renaming.
8507         (function_arg_union_value): Likewise.
8508         (sparc_arg_partial_bytes): Likewise.
8509         (sparc_function_arg_advance): Likewise.
8510
8511 2016-02-29  Jeff Law  <law@redhat.com>
8512
8513         PR tree-optimization/70005
8514         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
8515         where an object with a boolean range is compared against a value
8516         outside [0..1].
8517
8518         PR tree-optimization/69999
8519         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
8520         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
8521         loop cleanups.
8522
8523 2016-02-29  Richard Biener  <rguenther@suse.de>
8524
8525         PR tree-optimization/69994
8526         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
8527         (get_unary_op): Look through nop conversions.
8528         (ops_equal_values_p): New function, look for equality diregarding
8529         nop conversions.
8530         (eliminate_plus_minus_pair): Use ops_equal_values_p
8531         (repropagate_negates): Do not use get_unary_op here.
8532
8533 2016-02-29  Martin Liska  <mliska@suse.cz>
8534
8535         * system.h: Poison ENABLE_CHECKING macro.
8536
8537 2016-02-29  Martin Liska  <mliska@suse.cz>
8538
8539         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
8540         is presented in dump flags.
8541         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8542         (hsa_regalloc): Likewise.
8543
8544 2016-02-19  Richard Biener  <rguenther@suse.de>
8545
8546         PR tree-optimization/69980
8547         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
8548         permutation of those we need to keep.
8549
8550 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
8551
8552         PR target/69706
8553         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
8554         (NWORDS_UP): ...this
8555         (init_cumulative_args): Minor tweaks.
8556         (sparc_promote_function_mode): Likewise.
8557         (scan_record_type): Delete.
8558         (traverse_record_type): New function template.
8559         (classify_data_t): New structure type.
8560         (classify_registers): New inline function.
8561         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
8562         exhausted.  Instantiate traverse_record_type on classify_registers and
8563         deal with the case of a structure passed in slot #15 with no FP field
8564         in the first word.
8565         (assign_data_t): New structure type.
8566         (compute_int_layout): New static function.
8567         (compute_fp_layout): Likewise.
8568         (count_registers): New inline function.
8569         (assign_int_registers): New static function.
8570         (assign_fp_registers): Likewise.
8571         (assign_registers): New inline function.
8572         (function_arg_record_value_1): Delete.
8573         (function_arg_record_value_2): Likewise.
8574         (function_arg_record_value_3): Likewise.
8575         (function_arg_record_value): Adjust to above changes.  Instantiate
8576         traverse_record_type on count_registers to first count the number of
8577         registers to be used and then on assign_registers to assign them.
8578         (function_arg_union_value): Adjust to above renaming.
8579         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
8580         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
8581         case of a structure passed in slot #15
8582         (sparc_function_arg_advance): Likewise.
8583         (function_arg_padding): Minor tweak.
8584
8585 2016-02-29  Richard Biener  <rguenther@suse.de>
8586
8587         PR tree-optimization/69720
8588         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
8589         the adjustment_def path for possibly vectorized defs.
8590         (vect_create_epilog_for_reduction): Handle vectorized initial
8591         defs properly.
8592
8593 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
8594
8595         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
8596
8597 2016-02-27  Jeff Law  <law@redhat.com>
8598
8599         Revert
8600         2016-02-26  Richard Biener  <rguenther@suse.de>
8601                     Jeff Law  <law@redhat.com>
8602
8603         PR tree-optimization/69740
8604         * cfghooks.c (remove_edge): Request loop fixups if we delete
8605         an edge that might turn an irreducible loop into a natural
8606         loop.
8607
8608 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
8609
8610         PR rtl-optimization/69896
8611         * tree-vect-generic.c (get_compute_type): Avoid single element
8612         vector types.
8613
8614 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
8615
8616         Rename the AArch64 tuning option and related functions to enable the
8617         Newton series for the reciprocal square root to reflect its
8618         approximative characteristic.
8619
8620         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
8621         function to "aarch64_emit_approx_rsqrt".
8622         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
8623         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
8624         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
8625         (xgene1_tunings): Likewise.
8626         (use_rsqrt_p): Likewise.
8627         (aarch64_emit_swrsqrt): Use new function name.
8628         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
8629         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
8630         text explaining this option.
8631         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
8632
8633 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8634
8635         PR target/69969
8636         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
8637         complain about -mallow-movmisalign without -mvsx if
8638         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
8639
8640 2016-02-26  Joel Sherrill  <joel@rtems.org>
8641
8642         * config.gcc: Add x86_64-*-rtems*.
8643         * config/i386/rtems-64.h: New file.
8644
8645 2016-02-26  Joel Sherrill  <joel@rtems.org>
8646
8647         * config.gcc: Add aarch64-*-rtems*.
8648         * config/aarch64/rtems.h: New file.
8649
8650 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
8651
8652         PR target/69946
8653         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
8654         shift amount using %h.  Add comment.
8655
8656 2016-02-26  Richard Biener  <rguenther@suse.de>
8657             Jeff Law  <law@redhat.com>
8658
8659         PR tree-optimization/69740
8660         * cfghooks.c (remove_edge): Request loop fixups if we delete
8661         an edge that might turn an irreducible loop into a natural
8662         loop.
8663
8664 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8665
8666         PR middle-end/69920
8667         * tree-sra.c (sra_modify_assign): Do not remove loads of
8668         uninitialized aggregates to SSA_NAMEs.
8669
8670 2016-02-26  Richard Henderson  <rth@redhat.com>
8671
8672         PR target/69709
8673         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
8674         pseudo in case the target rtx matches the source of the left
8675         shift.
8676
8677 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8678
8679         PR hsa/69568
8680         * hsa.h (hsa_type_packed_p): Declare.
8681         * hsa.c (hsa_type_packed_p): New function.
8682         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
8683         loads.
8684         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
8685         * hsa-brig.c (emit_basic_insn): Likewise.
8686
8687 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8688
8689         pr hsa/69674
8690         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
8691         pointers.
8692         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
8693
8694 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8695
8696         * hsa.h (is_a_helper): New overload for hsa_op_immed for
8697         hsa_op_with_type operands.
8698         (hsa_unsigned_type_for_type): Declare.
8699         * hsa.c (hsa_unsigned_type_for_type): New function.
8700         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
8701         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
8702         the finalizer.  Do not emit extra move.
8703
8704 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8705
8706         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
8707         atomic operations in private segment.
8708
8709 2016-02-26  Martin Jambor  <mjambor@suse.cz>
8710
8711         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
8712         statements to wi->info.  Also disallow omp simd constructs.
8713         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
8714         for not gridifying.  Dump special string for omp_for.
8715
8716 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8717
8718         PR target/69245
8719         * config/aarch64/aarch64.c (aarch64_set_current_function):
8720         Save/restore target globals when switching to
8721         target_option_default_node.
8722
8723 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8724
8725         PR target/69613
8726         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
8727         Return 0 if !SHIFT_COUNT_TRUNCATED.
8728
8729 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
8730             Eric Botcazou  <ebotcazou@adacore.com>
8731
8732         PR rtl-optimization/69891
8733         * dse.c (scan_insn): If we can't figure out memset arguments
8734         or they are non-constant, call clear_rhs_from_active_local_stores.
8735
8736 2016-02-26  Martin Liska  <mliska@suse.cz>
8737
8738         * doc/extend.texi: Mention clog10, clog10f an clog10l
8739         in Builtins section.
8740
8741 2016-02-26  Martin Liska  <mliska@suse.cz>
8742
8743         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
8744         CHECKING_P.
8745         (resolve_args_picking_1): Likewise.
8746         * dwarf2out.h (struct GTY): Likewise.
8747
8748 2016-02-26  Martin Liska  <mliska@suse.cz>
8749
8750         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
8751         with flag_checking.
8752         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
8753
8754 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
8755             Martin Liska  <mliska@suse.cz>
8756
8757         * doc/install.texi: Mention --enable-valgrind-annotations.
8758
8759 2016-02-26  Richard Biener  <rguenther@suse.de>
8760
8761         PR tree-optimization/69551
8762         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
8763         looking through aliases adjust DECL_PT_UID to refer to the
8764         ultimate alias target.
8765
8766 2016-02-25  Martin Liska  <mliska@suse.cz>
8767
8768         PR middle-end/69919
8769         * alloc-pool.c (after_memory_report): New variable.
8770         * alloc-pool.h (base_pool_allocator ::release): Do not use
8771         the infrastructure if after_memory_report.
8772         * toplev.c (toplev::main): Mark after memory report.
8773
8774 2016-02-25  Richard Biener  <rguenther@suse.de>
8775
8776         PR tree-optimization/48795
8777         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
8778
8779 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
8780
8781         PR driver/68463
8782         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
8783         offloading is enabled and -fopenacc or -fopenmp is specified.
8784         (CRTOFFLOADEND): Likewise.
8785         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
8786         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
8787         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
8788         (offload_objects_file_name): New static var.
8789         (tool_cleanup): Remove offload_objects_file_name file.
8790         (find_offloadbeginend): Replace with ...
8791         (find_crtoffloadtable): ... this.
8792         (run_gcc): Remove offload_argc and offload_argv.
8793         Get offload_objects_file_name from -foffload-objects=... option.
8794         Read names of object files with offload from this file, pass them to
8795         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
8796         don't pass offloadbegin and offloadend to the linker.  Don't pass
8797         offload non-LTO files to the linker, because now they're not claimed.
8798
8799 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
8800
8801         PR ipa/69630
8802         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
8803         on builtin_unreachable.
8804
8805 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
8806
8807         PR rtl-optimization/69896
8808         * regcprop.c: Include cfgrtl.h.
8809         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
8810         than remembered mode, either delete it (if noop_move_p), or
8811         treat like copy_p but not noop_p instruction.
8812
8813 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8814
8815         PR debug/69705
8816         * dwarf2out.c (gen_variable_die): Work around buggy LTO
8817         - allow NULL decl for Fortran DW_TAG_common_block variables.
8818
8819 2016-02-24  Jason Merrill  <jason@redhat.com>
8820
8821         * common.opt (flifetime-dse): Add -flifetime-dse=1.
8822
8823 2016-02-24  Richard Biener  <rguenther@suse.de>
8824             Jakub Jelinek  <jakub@redhat.com>
8825
8826         PR middle-end/69760
8827         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
8828         conditionally executed ops to well-defined overflow behavior.
8829
8830 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8831
8832         PR middle-end/69915
8833         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
8834         elements.
8835
8836 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8837
8838         PR rtl-optimization/69886
8839         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
8840         argument.  Use it when checking validity of set instructions.
8841         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
8842         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
8843         callsite.
8844         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
8845         * store-motion.c (find_moveable_store): Update
8846         can_assign_to_reg_without_clobbers_p callsite.
8847
8848 2016-02-24  Richard Biener  <rguenther@suse.de>
8849
8850         PR middle-end/68963
8851         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
8852         bogus check.
8853         (record_nonwrapping_iv): Do not fall back to the low/high bound
8854         for non-constant IV bases if the stmt is not always executed.
8855
8856 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8857
8858         * config/arm/arm-cores.def (cortex-a32): New entry.
8859         * config/arm/arm-tables.opt: Regenerate.
8860         * config/arm/arm-tune.md: Regenerate.
8861         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
8862         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
8863         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
8864         for -mcpu and -mtune.
8865
8866 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8867
8868         PR target/69875
8869         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
8870         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
8871         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
8872         (atomic_loaddi_1): Delete.
8873         (atomic_loaddi): Rewrite expander using the above changes.
8874
8875 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8876
8877         PR c/69918
8878         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
8879         2 to 3.
8880
8881 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
8882             Richard Biener  <rguenth@suse.de>
8883
8884         PR middle-end/69909
8885         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
8886         set_mem_attributes if tem is SSA_NAME which got expanded
8887         as a MEM.
8888
8889 2016-02-24  Richard Biener  <rguenther@suse.de>
8890
8891         PR tree-optimization/69907
8892         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
8893         end of permutations for BB vectorization.
8894
8895 2016-02-24  Christian Bruel  <christian.bruel@st.com>
8896
8897         * config/arm/arm-c.c (arm_option_override): Initialize
8898         target_option_current_node.
8899         * config/arm/arm.c (arm_pragma_target_parse): Replace
8900         build_target_option_node call by target_option_current_node.
8901         Set target_option_current_node.
8902         Fix comments.
8903
8904 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
8905
8906         PR target/69810
8907         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
8908         define_insn_and_split to define_insn.
8909         (zero_extendqi<mode>2_dot2): Same.
8910         (extendqi<mode>2_dot): Same.
8911         (extendqi<mode>2_dot2): Same.
8912
8913 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
8914
8915         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
8916         and add bypass for AES{D,E} and AESMC pairs.
8917         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
8918         and AESMC pairs.
8919
8920 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
8921
8922         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
8923         series for reciprocal square root in Exynos M1.
8924
8925 2016-02-23  Martin Sebor  <msebor@redhat.com>
8926
8927         PR c/69759
8928         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
8929         __builtin_alloca_with_align.
8930
8931 2016-02-23  Richard Henderson  <rth@redhat.com>
8932
8933         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
8934         (ix86_register_pragmas): Remove __seg_tls.
8935         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
8936         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
8937         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
8938         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
8939         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
8940         * doc/extend.texi (__seg_tls): Remove item.
8941
8942 2016-02-23  Richard Biener  <rguenther@suse.de>
8943
8944         * alloc-pool.h (struct allocation_object): Make id member
8945         conditional on CHECKING_P again.
8946         (get_instance): Adjust.
8947         (base_pool_allocator): Likewise.
8948
8949 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
8950
8951         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
8952         (parallelize_loops): In OpenACC kernels mode, set n_threads to
8953         zero.
8954         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
8955         flag_openacc.
8956         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
8957
8958 2016-02-23  Richard Biener  <rguenther@suse.de>
8959
8960         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
8961         * bitmap.h (struct bitmap_usage): Likewise.
8962         (bitmap_move): Declare.
8963         * bitmap.c (register_overhead): Take size_t argument.
8964         (bitmap_move): New function.
8965         * df-problems.c (df_rd_transfer_function): Use bitmap_move
8966         to properly account overhead.
8967         * tree.c (free_node): Use tree_size.
8968
8969 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
8970
8971         PR c++/69902
8972         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
8973         when inverting comparison.
8974
8975         PR c/69900
8976         * common.opt (Wunreachable-code): Add Warning flag.
8977
8978 2016-02-23  Mark Wielaard  <mjw@redhat.com>
8979             Jakub Jelinek  <jakub@redhat.com>
8980
8981         PR c/69911
8982         * cgraphunit.c (check_global_declaration): Check main_input_filename
8983         and DECL_SOURCE_FILE are not NULL.
8984
8985 2016-02-23  Martin Jambor  <mjambor@suse.cz>
8986
8987         PR tree-optimization/69666
8988         * tree-sra.c (sra_modify_assign): Do not attempt to create
8989         default_def replacements for unscalarizable regions.
8990
8991 2016-02-20  Mark Wielaard  <mjw@redhat.com>
8992
8993         PR c/28901
8994         * cgraphunit.c (check_global_declaration): Check level of
8995         warn_unused_const_variable and main_input_filename.
8996         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
8997         (-Wunused-variable): For C implies -Wunused-const-variable=1.
8998         (-Wunused-const-variable): Explain levels 1 and 2.
8999
9000 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9001
9002         PR target/69888
9003         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
9004         identical arguments.  Formatting and spelling fixes.
9005
9006         PR target/69885
9007         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
9008         be specified.
9009
9010         PR target/69894
9011         PR target/69895
9012         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
9013         and m68k-devices.def.
9014         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
9015         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
9016
9017 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
9018
9019         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
9020         and HImode registers.
9021
9022 2016-02-22  Richard Biener  <rguenther@suse.de>
9023
9024         PR tree-optimization/69882
9025         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
9026         preserve permutations present because of gaps.
9027         (vect_supported_load_permutation_p): Always continue checking
9028         permutations after vect_attempt_slp_rearrange_stmts.
9029
9030 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
9031
9032         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
9033         min_profitable_estimate, rather than min_profitable_iters.
9034
9035 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
9036
9037         PR target/69885
9038         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
9039         SImode for last match_operand.
9040
9041 2016-02-22  Martin Liska  <mliska@suse.cz>
9042
9043         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
9044         return bitsize - 1 as the return value.
9045
9046 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
9047
9048         PR target/69806
9049         PR target/54089
9050         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
9051         Handle negative shift counts.
9052         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
9053         force_reg on the shift constant.
9054         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
9055         (lshrsi3_d): Handle negative shift counts.
9056
9057 2016-02-22  Richard Biener  <rguenther@suse.de>
9058             Tom de Vries  <tom@codesourcery.com>
9059
9060         * graph.c: Include dumpfile.h.
9061         (print_graph_cfg): Split into three overloads.
9062         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
9063
9064 2016-02-22  Tom de Vries  <tom@codesourcery.com>
9065
9066         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
9067         dump-fn.
9068
9069 2016-02-22  Richard Biener  <rguenther@suse.de>
9070
9071         PR ipa/37448
9072         * ipa-inline-transform.c (inline_call): When not updating
9073         overall summaries adjust self size by the growth estimate.
9074         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
9075         hash-set, do not update overall summaries here.  Renamed from ...
9076         (inline_to_all_callers): ... this which is now wrapping the
9077         above and performing delayed overall summary update.
9078         (early_inline_small_functions): Delay updating of the overall
9079         summary.
9080
9081 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
9082
9083         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
9084         variable.
9085
9086 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9087
9088         PR driver/69805
9089         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
9090         :%* in %:gt() argument.
9091         (greater_than_spec_func): Adjust for expecting only numbers,
9092         if there are more than two numbers, compare the last two.
9093
9094 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
9095
9096         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
9097         -Wnarrowing with -std.
9098
9099 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
9100
9101         PR c++/69851
9102         * expr.c (store_field): Don't use bit-field path if exp is
9103         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
9104         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
9105         and the assignment can be performed by bitwise copy.  Formatting
9106         fix.
9107
9108         PR middle-end/69838
9109         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
9110         call copy_reg_eh_region_note_forward on before and/or after sequences
9111         and remove note from insn if it no longer can throw.
9112
9113         PR target/69820
9114         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
9115         if TARGET_AVX512BW.
9116
9117 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9118
9119         * config/s390/vector.md: Add missing commutative operand markers
9120         to the patterns which qualify for one.
9121         * config/s390/vx-builtins.md: Likewise.
9122
9123 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9124
9125         * config/s390/vector.md (VI, VI_QHS): Add single element vector
9126         types to mode iterators.
9127         (vec_double): ... and mode attribute.
9128         * config/s390/vx-builtins.md (non_vec_int): Likewise.
9129
9130 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9131
9132         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
9133         Change the predicate of op2 from nonimmediate to general and let
9134         reload fix it if necessary.
9135
9136 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9137
9138         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
9139
9140 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9141
9142         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
9143         mode.
9144
9145 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9146
9147         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
9148         * config/s390/s390.c (s390_expand_vec_movstr): New function.
9149         * config/s390/s390.md ("movstr<P:mode>"): Call
9150         s390_expand_vec_movstr.
9151
9152 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9153
9154         * config/s390/s390.md: Add missing output modifier for operand 1
9155         to print it as address properly.
9156
9157 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9158
9159         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
9160         * config/s390/2964.md: New file.
9161         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
9162         of insn grouping attributes depending on the CPU level.
9163         (s390_get_unit_mask): New function.
9164         (s390_sched_score): Remove the OOO from the scheduling macros.
9165         Add loop to calculate a score for the instruction mix.
9166         (s390_sched_reorder): Likewise plus improve debug output.
9167         (s390_sched_variable_issue): Rename macros as above.  Calculate
9168         the unit distances after actually scheduling an insn.  Improve
9169         debug output.
9170         (s390_sched_init): Clear last_scheduled_unit_distance array.
9171         * config/s390/s390.md: Include 2964.md.
9172
9173 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9174
9175         PR target/69671
9176         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
9177         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
9178         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
9179         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
9180         *avx512f_<code>v8div16qi2_mask_1): New insns.
9181
9182 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
9183
9184         PR target/68404
9185         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
9186         2016-02-09 change.
9187
9188         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
9189         earlyclobber from target.  Use wF constraint for fused memory
9190         address.
9191         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
9192
9193 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
9194             Martin Liska  <mliska@suse.cz>
9195
9196         PR sanitizer/69863
9197         * cfgexpand.c (asan_sanitize_stack_p): New function.
9198         (partition_stack_vars): Use the function.
9199         (expand_stack_vars): Likewise.
9200         (defer_stack_allocation): Likewise.
9201         (expand_used_vars): Likewise.
9202
9203 2016-02-18  Richard Biener  <rguenther@suse.de>
9204
9205         PR middle-end/69553
9206         * fold-const.c (operand_equal_p): Properly compare offsets for
9207         IMAGPART_EXPR and ARRAY_REF.
9208
9209 2016-02-18  Nick Clifton  <nickc@redhat.com>
9210
9211         PR target/62254
9212         PR target/69610
9213         * config/arm/arm.c (arm_option_override_internal): Disable
9214         interworking if the target does not support thumb instructions.
9215         (arm_reload_in_hi): Handle the case where a register to register
9216         move needs reloading because there is no simple pattern to handle
9217         it.
9218         (arm_reload_out_hi): Likewise.
9219
9220 2016-02-18  Richard Biener  <rguenther@suse.de>
9221
9222         PR middle-end/69854
9223         * match.pd: Don't use fold_binary or fold_unary for folding
9224         constants.
9225
9226 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
9227
9228         PR c++/69850
9229         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
9230         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
9231         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
9232         warn on gimple_no_warning_p statements.
9233
9234 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
9235
9236         * doc/extend.texi (C++ Attributes): Correct description of
9237         warn_unused type attribute.
9238
9239 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9240
9241         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
9242         correct instruction.
9243
9244 2016-02-17  Richard Biener  <rguenther@suse.de>
9245
9246         PR rtl-optimization/69609
9247         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
9248         (find_traces_1_round): When ending a trace update cached priority
9249         of successors.
9250         (bb_to_key): Use cached priority when available.
9251         (copy_bb): Initialize cached priority.
9252         (reorder_basic_blocks_software_trace_cache): Likewise.
9253
9254 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9255
9256         PR target/69161
9257         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
9258         New predicate.
9259         (aarch64_comparison_operator): Break overly long line into two.
9260         (aarch64_comparison_operation): Likewise.
9261         * config/aarch64/aarch64.md (cstorecc4): Use
9262         aarch64_comparison_operator_mode instead of
9263         aarch64_comparison_operator.
9264         (cstore<mode>4): Likewise.
9265         (aarch64_cstore<mode>): Likewise.
9266         (*cstoresi_insn_uxtw): Likewise.
9267         (cstore<mode>_neg): Likewise.
9268         (*cstoresi_neg_uxtw): Likewise.
9269
9270 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9271
9272         PR target/69161
9273         * config/arm/predicates.md (arm_comparison_operator_mode):
9274         New predicate.
9275         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
9276         instead of arm_comparison_operator.
9277         (*mov_negscc): Likewise.
9278         (*mov_notscc): Likewise.
9279         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
9280         (*thumb2_mov_negscc): Likewise.
9281         (*thumb2_mov_negscc_strict_it): Likewise.
9282         (*thumb2_mov_notscc): Likewise.
9283         (*thumb2_mov_notscc_strict_it): Likewise.
9284
9285 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
9286
9287         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
9288         Add missing return.
9289
9290 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
9291
9292         * config/visium/visium.c (machine_libfunc_index): New enum.
9293         (machine_libfuncs): New structure.
9294         (visium_libfuncs): New static variable.
9295         (TARGET_INIT_LIBFUNCS): Define to...
9296         (visium_init_libfuncs): ...this.  New function.
9297         (expand_block_move_4): Use the appropriate libfunc.
9298         (expand_block_move_2): Likewise.
9299         (expand_block_move_1): Likewise.
9300         (expand_block_set_4): Likewise.
9301         (expand_block_set_2): Likewise.
9302         (expand_block_set_1): Likewise.
9303         (visium_trampoline_init): Likewise.
9304
9305 2016-02-17  Nick Clifton  <nickc@redhat.com>
9306
9307         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
9308         TI's devices.csv file as of March 2016.
9309
9310 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
9311
9312         PR Target/48344
9313         * opts-global.c (handle_common_deferred_options): Introduce and
9314         initialize two global variables to remember command-line options
9315         specifying a stack-limiting register.
9316         * opts.h: Add extern declarations of the two new global variables.
9317         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
9318         variable based on the values of the two new global variables.
9319
9320 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9321
9322         PR c/69835
9323         * common.opt (Wnonnull-compare): New warning.
9324         * doc/invoke.texi (-Wnonnull): Remove text about comparison
9325         of arguments against NULL.
9326         (-Wnonnull-compare): Document.
9327         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
9328         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
9329         * passes.def (pass_warn_nonnull_compare): Add.
9330         * gimple-ssa-nonnull-compare.c: New file.
9331
9332 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9333
9334         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
9335         AARCH64_EXTRA_TUNE_RECIP_SQRT.
9336
9337 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9338
9339         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
9340         reciprocal sqrt for -mlow-precision-recip-sqrt.
9341
9342 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9343             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9344
9345         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
9346         always use lane loads to construct non-constant vectors.
9347
9348 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
9349
9350         * config/aarch64/aarch64.md
9351         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
9352         constraints for operand 3.
9353         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
9354
9355 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9356             Richard Biener  <rguenther@suse.de>
9357
9358         PR tree-optimization/69820
9359         * tree-vect-patterns.c (type_conversion_p): Return false if
9360         *orig_type is unsigned single precision or boolean.
9361         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
9362         Formatting fix.
9363
9364 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9365
9366         PR rtl-optimization/69764
9367         PR rtl-optimization/69771
9368         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
9369         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
9370
9371 2016-02-16  Richard Biener  <rguenther@suse.de>
9372
9373         PR tree-optimization/69776
9374         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
9375         sets from caller.
9376         (indirect_refs_may_alias_p): Likewise.
9377         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
9378         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
9379         according to tbaa_p.
9380         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
9381         (optimize_stmt): For redundant store discovery do not allow tbaa.
9382
9383 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
9384
9385         PR tree-optimization/69714
9386         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
9387         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
9388
9389 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
9390
9391         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
9392         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
9393         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
9394         * config/arc/arc.c (arc_init): Check FPU options.
9395         (get_arc_condition_code): Handle new CC_FPU* modes.
9396         (arc_select_cc_mode): Likewise.
9397         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
9398         register pair only. Allow access for ARCv2 accumulator.
9399         (gen_compare_reg): Whenever we have FPU support use FPU compare
9400         instructions.
9401         (arc_reorg): Don't generate brcc insns when FPU compare
9402         instructions are involved.
9403         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
9404         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
9405         floating point emulation.
9406         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
9407         (REVERSE_CONDITION): Add new CC_FPU* modes.
9408         (TARGET_FP_SP_BASE): Define.
9409         (TARGET_FP_DP_BASE): Likewise.
9410         (TARGET_FP_SP_FUSED): Likewise.
9411         (TARGET_FP_DP_FUSED): Likewise.
9412         (TARGET_FP_SP_CONV): Likewise.
9413         (TARGET_FP_DP_CONV): Likewise.
9414         (TARGET_FP_SP_SQRT): Likewise.
9415         (TARGET_FP_DP_SQRT): Likewise.
9416         (TARGET_FP_DP_AX): Likewise.
9417         * config/arc/arc.md (ARCV2_ACC): New constant.
9418         (type): New fpu type attribute.
9419         (SDF): Conditional iterator.
9420         (cstore<mode>, cbranch<mode>): Change expand condition.
9421         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
9422         handles FPU/FPX cases as well.
9423         * config/arc/arc.opt (mfpu): New option.
9424         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
9425         Renamed.
9426         (adddf3, muldf3, subdf3): Removed.
9427         * config/arc/predicates.md (proper_comparison_operator): Recognize
9428         CC_FPU* modes.
9429         * config/arc/fpu.md: New file.
9430         * doc/invoke.texi (ARC Options): Document mfpu option.
9431
9432 2016-02-16  Richard Biener  <rguenther@suse.de>
9433
9434         PR rtl-optimization/69291
9435         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
9436         noce_operand_ok check.
9437
9438 2016-02-16  Tom de Vries  <tom@codesourcery.com>
9439
9440         PR lto/67709
9441         * omp-low.c (simd_clone_create): Remove call to
9442         symtab->call_cgraph_insertion_hooks.
9443
9444 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
9445
9446         PR tree-optimization/69802
9447         * tree-ssa-reassoc.c (update_range_test): If op is
9448         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
9449         op == 1 test of precision 1 integral op, otherwise handle
9450         that case as op itself.  Fix up formatting.
9451         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
9452         up formatting.
9453
9454 2016-02-16  Richard Biener  <rguenther@suse.de>
9455
9456         PR tree-optimization/69586
9457         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
9458         types for conversion sources.
9459
9460 2016-02-16  Richard Biener  <rguenther@suse.de>
9461
9462         PR middle-end/69801
9463         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
9464         mask OEP_ADDRESS_OF.
9465
9466 2016-02-16  Alan Modra  <amodra@gmail.com>
9467
9468         PR target/68973
9469         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
9470         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
9471         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
9472         (p8_mtvsrwz): New.
9473         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
9474         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
9475         (p8_fmrgow_<mode>): Likewise.
9476         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
9477         changes.
9478         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
9479         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
9480         to use movdi_internal64.  Remove op0_di.
9481         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
9482
9483 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
9484
9485         Add support for the FCCMP insn types
9486
9487         * config/aarch64/aarch64.md (fccmp): Change insn type.
9488         (fccmpe): Likewise.
9489         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
9490         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
9491         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
9492         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
9493         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
9494         * config/arm/types.md (fccmps): Add new insn type.
9495         (fccmpd): Likewise.
9496
9497 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9498
9499         * alias.c (get_alias_set): Fix a typo in comment.
9500
9501 2016-02-15  Richard Biener  <rguenther@suse.de>
9502
9503         PR tree-optimization/69595
9504         * match.pd: Complete range test simplification to true.
9505
9506 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
9507
9508         PR rtl-optimization/69648
9509         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
9510         pic_offset_table_rtx.
9511
9512         PR rtl-optimization/69752
9513         * ira.c (update_equiv_regs): When looking for more than a single SET,
9514         also take other side effects into account.
9515
9516 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9517
9518         * config/s390/s390.c (s390_function_profiler): Add a new sequence
9519         for z900+ CPUs in 31-bit mode.
9520
9521 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
9522
9523         * common/config/s390/s390-common.c (s390_supports_split_stack):
9524         New function.
9525         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
9526         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
9527         * config/s390/s390.c (struct machine_function): New field
9528         split_stack_varargs_pointer.
9529         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
9530         in s390_emit_prologue.
9531         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
9532         vararg pointer.
9533         (morestack_ref): New global.
9534         (SPLIT_STACK_AVAILABLE): New macro.
9535         (s390_expand_split_stack_prologue): New function.
9536         (s390_live_on_entry): New function.
9537         (s390_va_start): Use split-stack vararg pointer if appropriate.
9538         (s390_asm_file_end): Emit the split-stack note sections.
9539         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
9540         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
9541         (UNSPECV_SPLIT_STACK_CALL): New unspec.
9542         (UNSPECV_SPLIT_STACK_DATA): New unspec.
9543         (split_stack_prologue): New expand.
9544         (split_stack_space_check): New expand.
9545         (split_stack_data): New insn.
9546         (split_stack_call): New expand.
9547         (split_stack_call_*): New insn.
9548         (split_stack_cond_call): New expand.
9549         (split_stack_cond_call_*): New insn.
9550
9551 2016-02-15  Richard Biener  <rguenther@suse.de>
9552
9553         PR tree-optimization/69783
9554         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9555         Add trivially correct cases.
9556
9557 2016-02-15  Tom de Vries  <tom@codesourcery.com>
9558
9559         PR lto/69655
9560         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
9561         do_force_output.
9562         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
9563
9564 2016-02-15  Richard Biener  <rguenther@suse.de>
9565
9566         PR tree-optimization/69776
9567         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
9568         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
9569         indicate whether we can use TBAA to disambiguate against stores.
9570         Use alias-set zero if not.
9571         (visit_reference_op_store): Do not use TBAA when looking up
9572         redundant stores.
9573         * tree-ssa-pre.c (compute_avail): Use TBAA here.
9574         (eliminate_dom_walker::before_dom_children): But not when looking
9575         up redundant stores.
9576
9577 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
9578
9579         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
9580
9581 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9582
9583         *  config/i386/znver1.md
9584         (znver1_pop, znver1_pop_mem,
9585         znver1_load_imov_double_store,
9586         znver1_load_imov_direct_store,
9587         znver1_load_imov_direct_load,
9588         znver1_load_imov_double_load): Add new.
9589         (znver1_insn, znver1_insn_load): Add icmov type.
9590         (znver1_sseavx_fma,
9591         znver1_sseavx_fma_load,
9592         znver1_avx256_fma,
9593         znver1_avx256_fma_load): Fix pipe usage.
9594
9595 2016-02-14  Alan Modra  <amodra@gmail.com>
9596
9597         PR target/68973
9598         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
9599         with an invalid hard reg, reload just the reg not the entire
9600         pre/post-inc/dec address expression.
9601
9602 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9603
9604         PR target/67260
9605         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
9606         fixed R1_REG scratch reg.
9607         (sibcall_value_pcrel_fdpic): Likewise.
9608
9609 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
9610
9611         PR target/67636
9612         PR target/64345
9613         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
9614
9615 2016-02-12  Walter Lee  <walt@tilera.com>
9616
9617         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
9618         * config/tilegx/t-tilegx: Likewise.
9619
9620 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9621
9622         PR other/69554
9623         * diagnostic-show-locus.c (struct line_span): New struct.
9624         (layout::get_first_line): Delete.
9625         (layout::get_last_line): Delete.
9626         (layout::get_num_line_spans): New member function.
9627         (layout::get_line_span): Likewise.
9628         (layout::print_heading_for_line_span_index_p): Likewise.
9629         (layout::get_expanded_location): Likewise.
9630         (layout::calculate_line_spans): Likewise.
9631         (layout::m_first_line): Delete.
9632         (layout::m_last_line): Delete.
9633         (layout::m_line_spans): New field.
9634         (layout::layout): Update comment.  Replace m_first_line and
9635         m_last_line with m_line_spans, replacing their initialization
9636         with a call to calculate_line_spans.
9637         (diagnostic_show_locus): When printing source lines and
9638         annotations, rather than looping over a single span
9639         of lines, instead loop over each line_span within
9640         the layout, with an inner loop over the lines within them.
9641         Call the context's start_span callback when changing line spans.
9642         * diagnostic.c (diagnostic_initialize): Initialize start_span.
9643         (diagnostic_build_prefix): Break out the building of the location
9644         part of the string into...
9645         (diagnostic_get_location_text): ...this new function, rewriting
9646         it from nested ternary expressions to a sequence of "if"
9647         statements.
9648         (default_diagnostic_start_span_fn): New function.
9649         * diagnostic.h (diagnostic_start_span_fn): New typedef.
9650         (diagnostic_context::start_span): New field.
9651         (default_diagnostic_start_span_fn): New prototype.
9652
9653 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9654
9655         PR driver/69779
9656         * gcc.c (driver::finalize): Fix cleanup of "specs".
9657
9658 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
9659
9660         PR driver/69265
9661         PR driver/69453
9662         * gcc.c (driver::driver): Initialize m_option_suggestions.
9663         (driver::~driver): Clean up m_option_suggestions.
9664         (suggest_option): Convert to...
9665         (driver::suggest_option): ...this, and split out into
9666         driver::build_option_suggestions and find_closest_string.
9667         (driver::build_option_suggestions): New function, from
9668         first half of suggest_option.  Special-case
9669         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
9670         the sanitizer_opts array.  For options of enum types, add the
9671         various enum values to the candidate strings.
9672         (driver::handle_unrecognized_options): Remove "const".
9673         * gcc.h (driver::handle_unrecognized_options): Likewise.
9674         (driver::build_option_suggestions): New decl.
9675         (driver::suggest_option): New decl.
9676         (driver::m_option_suggestions): New field.
9677         * opts-common.c (add_misspelling_candidates): New function.
9678         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
9679         and make non-static.
9680         * opts.h (sanitizer_opts): New array decl.
9681         (add_misspelling_candidates): New function decl.
9682         * spellcheck.c (find_closest_string): New function.
9683         * spellcheck.h (find_closest_string): New function decl.
9684
9685 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9686
9687         PR rtl-optimization/69764
9688         PR rtl-optimization/69771
9689         * optabs.c (expand_binop_directly): For shift_optab_p, force
9690         convert_modes with VOIDmode if xop1 has VOIDmode.
9691
9692 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
9693
9694         PR target/69729
9695         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
9696         to correctly determine instrumentation thunks.
9697
9698 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9699
9700         PR ipa/69241
9701         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
9702         type by reference, force lhs on the call.
9703
9704         PR ipa/68672
9705         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
9706         Compute retval and retbnd early in all cases if split_part_return_p
9707         and return_bb is not EXIT.  Remove all clobber stmts and reset
9708         all debug stmts that refer to SSA_NAMEs defined in split part,
9709         except if it is retval, in that case replace the old retval with the
9710         lhs of the call to the split part.
9711
9712 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9713
9714         revert:
9715         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9716
9717         PR middle-end/66726
9718         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9719         whose result is used in PHI.
9720         (maybe_optimize_range_tests): Likewise.
9721         (final_range_test_p): Likweise.
9722
9723 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9724
9725         PR middle-end/66726
9726         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
9727         whose result is used in PHI.
9728         (maybe_optimize_range_tests): Likewise.
9729         (final_range_test_p): Likweise.
9730
9731 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
9732
9733         * cgraph.c: Spelling fixes - behaviour -> behavior and
9734         neighbour -> neighbor.
9735         * target.def: Likewise.
9736         * sel-sched.c: Likewise.
9737         * config/mips/mips.c: Likewise.
9738         * config/arc/arc.md: Likewise.
9739         * config/arm/cortex-a57.md: Likewise.
9740         * config/arm/arm.c: Likewise.
9741         * config/arm/neon.md: Likewise.
9742         * config/arm/arm-c.c: Likewise.
9743         * config/vms/vms-c.c: Likewise.
9744         * config/s390/s390.c: Likewise.
9745         * config/i386/znver1.md: Likewise.
9746         * config/i386/i386.c: Likewise.
9747         * config/ia64/hpux-unix2003.h: Likewise.
9748         * config/msp430/msp430.md: Likewise.
9749         * config/rx/rx.c: Likewise.
9750         * config/rx/rx.md: Likewise.
9751         * config/aarch64/aarch64-simd.md: Likewise.
9752         * config/aarch64/aarch64.c: Likewise.
9753         * config/nvptx/nvptx.c: Likewise.
9754         * config/bfin/bfin.c: Likewise.
9755         * config/cris/cris.opt: Likewise.
9756         * config/rs6000/rs6000.c: Likewise.
9757         * target.h: Likewise.
9758         * spellcheck.c: Likewise.
9759         * ira-build.c: Likewise.
9760         * tree-inline.c: Likewise.
9761         * builtins.c: Likewise.
9762         * lra-constraints.c: Likewise.
9763         * explow.c: Likewise.
9764         * hwint.h: Likewise.
9765         * targhooks.c: Likewise.
9766         * tree-vect-data-refs.c: Likewise.
9767         * expr.c: Likewise.
9768         * doc/tm.texi: Likewise.
9769         * doc/extend.texi: Likewise.
9770         * doc/install.texi: Likewise.
9771         * doc/md.texi: Likewise.
9772         * tree-ssa-tail-merge.c: Likewise.
9773         * sched-int.h: Likewise.
9774         * match.pd: Likewise.
9775         * sched-ebb.c: Likewise.
9776         * target.def (omit_struct_return_reg): Likewise.
9777         * gimple-ssa-isolate-paths.c: Likewise.
9778         (find_implicit_erroneous_behaviour): Renamed to...
9779         (find_implicit_erroneous_behavior): ... this.
9780         (find_explicit_erroneous_behaviour): Renamed to...
9781         (find_explicit_erroneous_behavior): ... this.
9782         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
9783
9784 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
9785
9786         PR rtl-optimization/64682
9787         PR rtl-optimization/69567
9788         PR rtl-optimization/69737
9789         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
9790         in I2 as well, just lose it.
9791
9792 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9793
9794         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
9795         New variable.
9796         (aarch64_last_printed_tune_string): Likewise.
9797         (aarch64_declare_function_name): Only output .arch assembler
9798         directive if it will be different from the previously output
9799         directive.  Same for .tune comment but only if -dA is set.
9800         (aarch64_start_file): New function.
9801         (TARGET_ASM_FILE_START): Define.
9802
9803 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
9804
9805         PR plugins/69758
9806         * Makefile.in (PLUGIN_HEADERS): Add params.list.
9807
9808 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
9809
9810         PR target/65313
9811         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
9812         -Wmaybe-uninitialized warning.
9813
9814 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
9815
9816         PR target/69713
9817         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
9818
9819 2016-02-11  Richard Biener  <rguenther@suse.de>
9820
9821         PR rtl-optimization/69291
9822         * ifcvt.c (noce_try_store_flag_constants): Do not allow
9823         subexpressions affected by changing the result.
9824
9825 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9826
9827         PR target/69148
9828         * lra-constraints.c (curr_insn_transform): Find in/out operands
9829         for secondary memory moves.  Update dups.
9830
9831 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
9832
9833         PR tree-optimization/69652
9834         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
9835         to nested loop, did source re-formatting, skip debug statements,
9836         add check on statement with volatile operand, remove dead scalar
9837         statements.
9838
9839 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
9840             Patrick Palka  <ppalka@gcc.gnu.org>
9841
9842         PR ipa/69241
9843         PR c++/69649
9844         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
9845         calls if the return type is TREE_ADDRESSABLE.
9846         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
9847         * ipa-split.c (split_function): Fix doubled "we" in comment.
9848         Use void return type for the split part even if
9849         !split_point->split_part_set_retval.
9850
9851 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
9852
9853         PR tree-optimization/68021
9854         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
9855         when computing the value of biv cand by itself.
9856
9857 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9858
9859         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
9860         (cortexa57_tunings): Likewise.
9861         (cortexa72_tunings): Likewise.
9862         (arch_macro_fusion_pair_p): Add support for AES fusion.
9863         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
9864         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
9865         Allow virtual registers before reload so early scheduling works.
9866         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
9867         correct latency and pipeline.
9868         (cortex_a57_crypto_complex): Likewise.
9869         (cortex_a57_crypto_xor): Likewise.
9870         (define_bypass): Add AES bypass.
9871
9872 2016-02-10  Richard Biener  <rguenther@suse.de>
9873
9874         PR tree-optimization/69726
9875         * passes.def: Add DCE pass before late uninit.
9876         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
9877         really fixup if-conversions job.
9878
9879 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
9880
9881         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
9882         (arm_cortex_a57_tune): Likewise.
9883         (aarch_macro_fusion_pair_p): Add support for AES fusion.
9884         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
9885
9886 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
9887
9888         * timevar.def (TV_PHASE_DBGINFO): Delete.
9889         (TV_PHASE_CHECK_DBGINFO): Likewise.
9890         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
9891
9892 2016-02-10  Richard Biener  <rguenther@suse.de>
9893
9894         PR tree-optimization/69719
9895         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
9896         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
9897
9898 2016-02-09  Andrew Pinski  <apinski@cavium.com>
9899
9900         PR tree-opt/69282
9901         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
9902         get_vcond_mask_icode returns false.
9903
9904 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
9905
9906         PR target/68404
9907         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
9908         an ADDIS that adds a pointer to a large constant that sets the
9909         upper16 bits with a load operation.
9910
9911 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
9912
9913         PR target/68532
9914         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
9915         order.
9916         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
9917         endian.
9918         (vzipq_s16): Likewise.
9919         (vzipq_s32): Likewise.
9920         (vzipq_f32): Likewise.
9921         (vzipq_u8): Likewise.
9922         (vzipq_u16): Likewise.
9923         (vzipq_u32): Likewise.
9924         (vzipq_p8): Likewise.
9925         (vzipq_p16): Likewise.
9926
9927 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
9928
9929         PR target/68532
9930         * config/arm/arm.c (neon_endian_lane_map): New function.
9931         (neon_vector_pair_endian_lane_map): New function.
9932         (arm_evpc_neon_vuzp): Allow for big endian lane order.
9933         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
9934         endian.
9935         (vuzpq_s16): Likewise.
9936         (vuzpq_s32): Likewise.
9937         (vuzpq_f32): Likewise.
9938         (vuzpq_u8): Likewise.
9939         (vuzpq_u16): Likewise.
9940         (vuzpq_u32): Likewise.
9941         (vuzpq_p8): Likewise.
9942         (vuzpq_p16): Likewise.
9943
9944 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
9945
9946         PR target/69634
9947         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
9948         debug insns.
9949
9950 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
9951
9952         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
9953         truncate const_int operand 1 to QImode.
9954
9955 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
9956
9957         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
9958         corresponding to an abnormal edge.
9959
9960 2016-02-09  Tom de Vries  <tom@codesourcery.com>
9961
9962         PR tree-optimization/69599
9963         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
9964         function.
9965         (find_func_aliases_for_builtin_call, find_func_clobbers)
9966         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
9967         partition.
9968
9969 2016-02-09  Richard Biener  <rguenther@suse.de>
9970
9971         PR tree-optimization/69715
9972         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
9973         LHS on calls as non-rewritable.
9974
9975 2016-02-09  Tom de Vries  <tom@codesourcery.com>
9976
9977         PR lto/69707
9978         * lto-wrapper.c (append_diag_options): New function.
9979         (compile_offload_image): Call append_diag_options.
9980
9981 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
9982
9983         PR other/69722
9984         * doc/extend.texi (Flag Output Operands): Correct sectioning.
9985         Minor copy-edit to fix verb tenses.
9986
9987 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
9988
9989         PR tree-optimization/69209
9990         * ipa-split.c (split_function): If split part is not
9991         returning retval, retval has gimple type but is not
9992         gimple value, force it into a SSA_NAME first.
9993
9994 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
9995
9996         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
9997         outdated section.
9998
9999 2016-02-08  Jason Merrill  <jason@redhat.com>
10000
10001         PR c++/69631
10002         * convert.c (convert_to_integer_1): Check dofold on truncation
10003         distribution.
10004         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
10005         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
10006         Rename from *_nofold.
10007         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
10008         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
10009
10010 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
10011
10012         PR target/60410
10013         * tree.c (build_common_tree_nodes): Remove short_double argument.
10014         All callers changed.
10015         * tree.h (build_common_tree_nodes): Adjust declaration.
10016         * doc/invoke.texi (-fshort-double): Remove documentation.
10017         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10018         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
10019         * lto-wrapper.c (merge_and_complain, append_compiler_options)
10020         (append_linker_options): Don't handle OPT_fshort_double.
10021
10022         PR rtl-optimization/68730
10023         * lra-remat.c (insn_to_cand_activation): New static variable.
10024         (lra_remat): Allocate and free it.
10025         (create_cand): New arg activation. Initialize a field in
10026         insn_to_cand_activation if it is nonnull.
10027         (create_cands): Pass the activation insn to create_cand when making
10028         a candidate involving an output reload.  Reorganize code a little.
10029         (do_remat): Keep track of active status of candidates in a separate
10030         bitmap.
10031
10032 2016-02-08  Richard Biener  <rguenther@suse.de>
10033
10034         PR tree-optimization/69719
10035         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
10036         Properly use absolute of the difference of the two offsets to
10037         compare or adjust the segment length.
10038
10039 2016-02-08  Richard Biener  <rguenther@suse.de>
10040             Jeff Law  <law@redhat.com>
10041
10042         PR target/68273
10043         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
10044         types for anonymous SSA names.
10045
10046 2016-02-08   Richard Biener  <rguenther@suse.de>
10047
10048         PR rtl-optimization/69274
10049         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
10050
10051 2016-02-08  Jeff Law  <law@redhat.com>
10052
10053         PR tree-optimization/65917
10054         * tree-ssa-dom.c (record_temporary_equivalences): Record both
10055         equivalences from if (x == y) style conditionals.
10056         (loop_depth_of_name): Remove.
10057         (record_equality): Remove loop depth check.
10058         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
10059         (const_and_copies::record_const_or_copy_raw): New member function.
10060         * tree-ssa-scopedtables.c
10061         (const_and_copies::record_const_or_copy_raw): New, factored out of
10062         (const_and_copies::record_const_or_copy): Call new member function.
10063
10064 2016-02-05  Jeff Law  <law@redhat.com>
10065
10066         PR tree-optimization/68541
10067         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
10068         (count_stmts_in_block): New function.
10069         (poor_ifcvt_candidate_code): Likewise.
10070         (is_feasible_trace): Add some heuristics to determine when path
10071         splitting is profitable.
10072         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
10073         is a diamond with a single exit.
10074
10075 2016-02-05  Martin Sebor  <msebor@redhat.com>
10076
10077         PR c++/69662
10078         * doc/invoke.texi: Update -Wplacement-new to take an optional
10079         argument.
10080
10081 2016-02-06  Richard Henderson  <rth@redhat.com>
10082
10083         PR c/69643
10084         * tree.c (tree_nop_conversion_p): Do not strip casts into or
10085         out of non-standard address spaces.
10086
10087 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10088
10089         PR rtl-optimization/69691
10090         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
10091
10092 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
10093
10094         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
10095         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
10096         (*ieee128_mfvsrd_64bit): Likewise.
10097         (*ieee128_mfvsrd_32bit): Likewise.
10098
10099 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
10100
10101         PR target/69369
10102         Revert r232560:
10103         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
10104
10105         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
10106         instrumented_version.
10107
10108 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
10109
10110         * doc/invoke.texi (Optimize Options): In table of --param options
10111         rename second occurrence of tracer-min-branch-ratio to
10112         tracer-min-branch-probability, rename
10113         tracer-min-branch-ratio-feedback to
10114         tracer-min-branch-probability-feedback and clarify description,
10115         rename sched-spec-state-edge-prob-cutoff to
10116         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
10117         to selsched-insns-to-rename, rename lto-minpartition to
10118         lto-min-partition, delete reorder-blocks-duplicate and
10119         reorder-blocks-duplicate-feedback.
10120
10121 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10122
10123         * config/s390/s390.c (s390_register_info_set_ranges): Remove
10124         superfluous loops.
10125
10126 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10127
10128         * doc/extend.texi: S/390: Correct some typos.
10129
10130 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10131
10132         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
10133
10134 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10135
10136         PR target/69625
10137         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
10138         (s390_register_info_gprtofpr): Use new macros above.
10139         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
10140         its name.
10141         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
10142         its name.  Adjust restore and save gpr ranges.
10143         (s390_register_info_set_ranges): New function.
10144         (s390_register_info): Use new macros above.  Call
10145         s390_register_info_set_ranges.
10146         (s390_optimize_register_info): Likewise.
10147         (s390_hard_regno_rename_ok): Use new macros.
10148         (s390_hard_regno_scratch_ok): Likewise.
10149         (s390_emit_epilogue): Likewise.
10150         (s390_can_use_return_insn): Likewise.
10151         (s390_optimize_prologue): Likewise.
10152         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
10153
10154 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
10155
10156         PR bootstrap/69677
10157         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
10158         alignment fixes.
10159         (ix86_option_override_internal): Disable TARGET_STV even for
10160         -m{incoming,preferred}-stack-boundary=3.
10161
10162 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
10163
10164         * config.gcc: Mark deprecated rtems targets as obsolete.
10165
10166 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
10167
10168         PR rtl-optimization/64682
10169         PR rtl-optimization/69567
10170         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
10171         before I2 only if the register is both used and set in I2.
10172
10173 2016-02-04  DJ Delorie  <dj@redhat.com>
10174
10175         * config/msp430/msp430.c (msp430_start_function): Add function type.
10176
10177 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10178
10179         PR fortran/69368
10180         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
10181
10182 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
10183
10184         PR rtl-optimization/69577
10185         Revert:
10186         2015-10-29  Richard Henderson  <rth@redhat.com>
10187
10188         PR target/68124
10189         PR rtl-opt/67609
10190         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
10191         sse check to the exact conditions of PR 67609.
10192
10193 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
10194
10195         PR target/69667
10196         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
10197         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
10198         not allowed into the traditional Altivec registers.
10199         (movtd_64bit_nodm): Likewise.
10200         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
10201
10202 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
10203
10204         * config/aarch64/cortex-a57-fma-steering.c
10205         (aarch64_register_fma_steering): Remove "static" from arguments
10206         to register_pass.
10207
10208 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
10209
10210         PR target/69619
10211         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
10212         twice when complex.
10213
10214 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
10215
10216         * doc/invoke.texi: Delete -mno-fma4.
10217
10218 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
10219
10220         PR rtl-optimization/69577
10221         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
10222         (find_subregs_of_mode): Update accordingly.  Iterate over partial
10223         definitions.
10224
10225 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
10226
10227         * config/arm/arm-protos.h (neon_reinterpret): Remove.
10228         * config/arm/arm.c (neon_reinterpret): Remove.
10229         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
10230         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
10231         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
10232         vreinterpretti): Remove.
10233         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
10234         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
10235         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
10236         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
10237         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
10238         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
10239         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
10240         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
10241         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
10242         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
10243         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
10244         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
10245         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
10246         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
10247         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
10248         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
10249         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
10250         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
10251         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
10252         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
10253         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
10254         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
10255         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
10256         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
10257         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
10258         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
10259         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
10260         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
10261         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
10262         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
10263         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
10264         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
10265         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
10266         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
10267         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
10268         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
10269         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
10270         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
10271         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
10272         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
10273         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
10274         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
10275         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
10276         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
10277         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
10278         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
10279         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
10280         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
10281         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
10282         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
10283         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
10284         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
10285         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
10286         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
10287         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
10288         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
10289         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
10290         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
10291         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
10292         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
10293         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
10294         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
10295         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
10296         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
10297         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
10298         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
10299         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
10300         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
10301         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
10302         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
10303         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
10304         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
10305         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
10306         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
10307         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
10308         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
10309         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
10310         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
10311         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
10312         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
10313         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
10314         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
10315         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
10316         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
10317         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
10318         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
10319         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
10320         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
10321         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
10322         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
10323         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
10324         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
10325         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
10326         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
10327         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
10328         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
10329         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
10330         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
10331         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
10332         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
10333         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
10334         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
10335         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
10336
10337 2016-02-04  Martin Liska  <mliska@suse.cz>
10338
10339         PR sanitizer/69276
10340         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
10341         that are gimple_store_p.
10342         (maybe_instrument_call): Likewise.
10343
10344 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
10345
10346         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
10347         register scaling out of memory reference and comment why.
10348
10349 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10350
10351         PR target/65932
10352         PR target/67714
10353         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
10354         folding the source of a SET.
10355
10356 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10357
10358         PR target/65932
10359         PR target/67714
10360         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
10361         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
10362
10363 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
10364
10365         PR target/65932
10366         PR target/67714
10367         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
10368         HImode.
10369
10370 2016-02-04  Christian Bruel  <christian.bruel@st.com>
10371
10372         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
10373         * config/arm/arm.c (arm_set_current_function): Likewise.
10374
10375 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
10376             Ilya Enkovich  <enkovich.gnu@gmail.com>
10377             H.J. Lu  <hongjiu.lu@intel.com>
10378
10379         PR target/69454
10380         * config/i386/i386.c (convert_scalars_to_vector): Remove
10381         stack alignment fixes.
10382         (ix86_option_override_internal): Disable TARGET_STV if stack
10383         might not be aligned enough.
10384         (ix86_minimum_alignment): Assert that TARGET_STV is false.
10385
10386 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
10387
10388         * config/i386/x86-tune.def: Disable default prefetching
10389         for -march=znver1.
10390
10391 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
10392             Vladimir Makarov  <vmakarov@redhat.com>
10393
10394         PR target/69461
10395         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
10396         in validating fused toc addresses.
10397
10398 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
10399
10400         PR c/69627
10401         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
10402         range->m_caret fields if range->m_show_caret_p is false.
10403
10404         PR target/69644
10405         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10406         Force oldval into register if it does not satisfy reg_or_short_operand
10407         predicate.  Fix up formatting.
10408
10409 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10410             Alexandre Oliva  <aoliva@redhat.com>
10411
10412         PR target/69461
10413         * lra-constraints.c (simplify_operand_subreg): Check additionally
10414         address validity after potential reloading.
10415         (process_address_1): Check insns validity.  In case of failure do
10416         nothing.
10417
10418 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
10419
10420         PR target/69118
10421         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
10422         Fix target.
10423
10424 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
10425
10426         * wide-int.cc (canonize_uhwi): New function.
10427         (wi::divmod_internal): Use it.
10428
10429 2016-02-02  James Norris  <jnorris@codesourcery.com
10430
10431         * gimplify.c (omp_notice_variable): Add usage check.
10432
10433 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
10434
10435         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
10436         like LE, GE, LT, GT when emitting relational operator.
10437
10438 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10439
10440         * ira-costs.c (find_costs_and_classes): Add extra argument.
10441         * target.def (ira_change_pseudo_allocno_class): Add parameter.
10442         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
10443         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
10444         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
10445         Add best_class parameter, and return it if not ALL_REGS.
10446         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
10447         Add parameter.
10448         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
10449         Update target hook.
10450
10451 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
10452
10453         * config/aarch64/aarch64.c
10454         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
10455         (aarch64_ira_change_pseudo_allocno_class): New function.
10456
10457 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
10458
10459         PR target/67032
10460         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
10461
10462 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10463
10464         * config/avr/avr.c (avr_option_override): Set
10465         PARAM_ALLOW_STORE_DATA_RACES to 1.
10466
10467 2016-02-02  Richard Biener  <rguenther@suse.de>
10468
10469         PR tree-optimization/69595
10470         * match.pd: Add range test simplifications to true/false.
10471
10472 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
10473
10474         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
10475         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
10476         instead.
10477
10478 2016-02-02  Richard Biener  <rguenther@suse.de>
10479
10480         PR tree-optimization/69606
10481         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
10482         info on the result before moving a stmt.
10483
10484 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
10485
10486         PR middle-end/68542
10487         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
10488         branch with vector comparison.
10489         * config/i386/sse.md (VI48_AVX): New mode iterator.
10490         (define_expand "cbranch<mode>4): Add support for conditional branch
10491         with vector comparison.
10492         * tree-vect-loop.c (optimize_mask_stores): New function.
10493         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
10494         has_mask_store field of vect_info.
10495         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
10496         vectorized loops having masked stores after vec_info destroy.
10497         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
10498         correspondent macros.
10499         (optimize_mask_stores): Add prototype.
10500
10501 2016-02-02  Alan Modra  <amodra@gmail.com>
10502
10503         PR target/69548
10504         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
10505         allow subregs.
10506
10507 2016-02-02  Alan Modra  <amodra@gmail.com>
10508
10509         PR target/68662
10510         * config/rs6000/rs6000.c (need_toc_init): New var, set it
10511         whenever toc_label_name used.
10512         (rs6000_file_start): Don't set up toc section here,
10513         (rs6000_output_function_epilogue): do so here instead,
10514         (rs6000_xcoff_file_start): and here.
10515         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
10516         (load_toc_aix_di): Likewise.
10517
10518 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10519
10520         PR rtl-optimization/69592
10521         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
10522         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
10523         (num_sign_bit_copies_binary_arith_p): New inline function.
10524         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
10525
10526 2016-02-01  Jeff Law  <law@redhat.com>
10527
10528         PR tree-optimization/69580
10529         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
10530         * tree-ssa-threadbackward.c
10531         (fsm_find_control_statement_thread_paths): Do not try to walk
10532         through large PHI nodes.
10533
10534 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10535
10536         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
10537         when count is incremented above limit, don't analyze further
10538         insns afterwards.
10539
10540         * omp-low.c (oacc_parse_default_dims): Avoid
10541         -Wsign-compare warning, make sure value fits into int
10542         rather than just unsigned int.
10543
10544 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
10545
10546         PR tree-optimization/67921
10547         * fold-const.c (split_tree): New parameters.  Convert pointer
10548         type variable part to proper type before negating.
10549         (fold_binary_loc): Pass new arguments to split_tree.
10550
10551 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
10552
10553         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
10554         (nvptx_goacc_validate_dims): Extend to handle global defaults.
10555         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
10556         * doc/tm.texti: Rebuilt.
10557         * doc/invoke.texi (fopenacc-dim): Document.
10558         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
10559         (append_compiler_options): Likewise.
10560         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
10561         (oacc_parse_default_dims): New.
10562         (oacc_validate_dims): Add USED arg.  Select non-unity default when
10563         possible.
10564         (oacc_loop_fixed_partitions): Return mask of used partitions.
10565         (oacc_loop_auto_partitions): Emit dump info.
10566         (oacc_loop_partition): Return mask of used partitions.
10567         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
10568         loop partitioning and validation calls.
10569
10570 2016-02-01  Richard Biener  <rguenther@suse.de>
10571
10572         PR middle-end/69556
10573         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
10574
10575 2016-02-01  Richard Biener  <rguenther@suse.de>
10576
10577         PR tree-optimization/69574
10578         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
10579         of asserting return chrec_dont_know.
10580
10581 2016-02-01  Martin Liska  <mliska@suse.cz>
10582
10583         * mem-stats-traits.h: Add copyright header.
10584         * mem-stats.h: Likewise.
10585
10586 2016-02-01  Richard Biener  <rguenther@suse.de>
10587
10588         PR tree-optimization/69579
10589         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
10590         Do not propagate through abnormal PHI results.
10591
10592 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
10593
10594         * postreload.c (reload_cse_simplify): Remove dead code.
10595
10596 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
10597
10598         PR rtl-optimization/69570
10599         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
10600         if there is more than one set, not if there is a single set.
10601
10602 2016-02-01  Richard Henderson  <rth@redhat.com>
10603
10604         PR rtl-opt/69535
10605         * combine.c (make_compound_operation): When looking through a
10606         subreg, make sure to re-extend to the width of the outer mode.
10607
10608 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
10609
10610         PR tree-optimization/69546
10611         * wide-int.cc (wi::divmod_internal): For unsigned division
10612         where both operands fit into uhwi, if o1 is 1 and o0 has
10613         msb set, if divident_prec is larger than bits per hwi,
10614         clear another quotient word and return 2 instead of 1.
10615         Similarly for remainder with msb in HWI set, if dividend_prec
10616         is larger than bits per hwi.
10617
10618 2016-01-29  Martin Jambor  <mjambor@suse.cz>
10619
10620         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
10621         Use short lowercase names.
10622         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
10623         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
10624         acq_rel one.  Protect warning agains segfaults if
10625         get_memory_order_name returns NULL.
10626         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
10627         with release semantics.  Do not warn if get_memory_order already did.
10628         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
10629         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
10630         if get_memory_order already did.
10631
10632 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
10633
10634         * doc/install.texi: Document that isl-0.16 is supported.
10635
10636 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10637
10638         PR target/69299
10639         * config/i386/constraints.md (Bm): Describe as special memory
10640         constraint.
10641         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
10642         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10643         * genpreds.c (struct constraint_data): Add is_special_memory.
10644         (have_special_memory_constraints, special_memory_start): New
10645         static vars.
10646         (special_memory_end): Ditto.
10647         (add_constraint): Add new arg is_special_memory.  Add code to
10648         process its true value.  Update have_special_memory_constraints.
10649         (process_define_constraint): Pass the new arg.
10650         (process_define_register_constraint): Ditto.
10651         (choose_enum_order): Process special memory.
10652         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
10653         function insn_extra_special_memory_constraint.
10654         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10655         * gensupport.c (process_rtx): Process
10656         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
10657         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
10658         * ira-lives.c (single_reg_class): Use
10659         insn_extra_special_memory_constraint.
10660         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
10661         * lra-constraints.c (process_alt_operands): Ditto.
10662         (curr_insn_transform): Use insn_extra_special_memory_constraint.
10663         * recog.c (asm_operand_ok, preprocess_constraints): Process
10664         CT_SPECIAL_MEMORY.
10665         * reload.c (find_reloads): Ditto.
10666         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
10667         * stmt.c (parse_input_constraint): Use
10668         insn_extra_special_memory_constraint.
10669
10670 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10671
10672         PR target/69530
10673         * lra-splill.c (lra_final_code_change): Revert r229087 by
10674         removing all sub-registers.
10675
10676 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
10677
10678         PR target/65604
10679         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
10680
10681 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
10682
10683         PR target/69551
10684         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10685         SSE1, copy target into the temporary reg first before recursing
10686         on it.
10687
10688 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10689
10690         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
10691         with vm.
10692
10693 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10694
10695         * ginclude/stdarg.h: Test __cplusplus instead of
10696         __GXX_EXPERIMENTAL_CXX0X__.
10697
10698 2016-01-29  Richard Biener  <rguenther@suse.de>
10699
10700         PR tree-optimization/69547
10701         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
10702         Do not mark clobbers necessary.
10703         (mark_all_reaching_defs_necessary_1): Likewise.
10704
10705 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10706
10707         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
10708         declaration name with %qs and print it in both error messages.
10709         Also fix indentation.
10710
10711 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
10712
10713         PR other/69006
10714         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
10715         trailing blank line from error message.
10716
10717 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
10718
10719         PR c++/69462
10720         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
10721         for C++-11.
10722
10723 2016-01-29  Richard Biener  <rguenther@suse.de>
10724
10725         PR middle-end/69537
10726         * match.pd: Allow all integral types when simplifying a
10727         widening or sign-changing conversion.
10728
10729 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10730
10731         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
10732         back to setting codegen_error to fail codegen.
10733
10734 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
10735
10736         PR target/69459
10737         * config/i386/constraints.md (C): Only accept constant zero operand.
10738         (BC): New constraint.
10739         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
10740         instead of C constraint.
10741         * doc/md.texi (Machine Constraints): Update description
10742         of C constraint.
10743
10744 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
10745
10746         PR target/68400
10747         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
10748
10749 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
10750
10751         PR middle-end/69542
10752         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
10753         non-debug insns.
10754
10755 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10756
10757         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
10758         branches if using guessed profile.
10759
10760 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
10761
10762         * graphite-optimize-isl.c (optimize_isl): Fix dump.
10763
10764 2016-01-28  Richard Henderson  <rth@redhat.com>
10765
10766         PR target/69305
10767         * config/aarch64/aarch64-modes.def (CC_Cmode): New
10768         * config/aarch64/aarch64-protos.h: Update.
10769         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
10770         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
10771         (aarch64_get_condition_code_1): Handle CC_Cmode.
10772         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
10773         (*add<mode>3_compareC_cconly_imm): New.
10774         (*add<mode>3_compareC_cconly): New.
10775         (*add<mode>3_compareC_imm): New.
10776         (add<mode>3_compareC): New.
10777         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
10778         to be first.  Use aarch64_carry_operation.
10779         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
10780         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
10781         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
10782         (subti3): Use subdi3_compare1.
10783         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
10784         (sub<mode>3_compare1): New.
10785         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
10786         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
10787         (*subsi3_carryin_uxtw): Likewise.
10788         (*ngc<mode>, *ngcsi_uxtw): Likewise.
10789         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
10790         * config/aarch64/iterators.md (DWI): New.
10791         * config/aarch64/predicates.md (aarch64_carry_operation): New.
10792         (aarch64_borrow_operation): New.
10793
10794 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10795
10796         * graphite-optimize-isl.c (optimize_isl): Print a different debug
10797         message when isl does not return a valid schedule.
10798
10799 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10800
10801         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
10802         Remove comments from class declarations: they are already in the code
10803         close by the defs.
10804
10805 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10806
10807         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
10808         codegen_error_p.
10809         (ternary_op_to_tree): Same.
10810         (unary_op_to_tree): Same.
10811         (nary_op_to_tree): Same.
10812         (gcc_expression_from_isl_expr_op): Same.
10813         (gcc_expression_from_isl_expression): Same.
10814         (graphite_create_new_loop): Same.
10815         (graphite_create_new_loop_guard): Same.
10816         (build_iv_mapping): Same.
10817         (graphite_create_new_guard): Same.
10818         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
10819         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
10820
10821 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
10822
10823         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
10824         instead of setting codegen_error to fail codegen.
10825
10826 2016-01-28  Jason Merrill  <jason@redhat.com>
10827
10828         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
10829
10830 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10831
10832         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
10833         Remove CONST_INT_P check in CCMP cost calculation.
10834
10835 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10836
10837         * config/aarch64/aarch64.c (generic_vector_cost):
10838         Set vec_permute_cost.
10839         (cortexa57_vector_cost): Likewise.
10840         (exynosm1_vector_cost): Likewise.
10841         (xgene1_vector_cost): Likewise.
10842         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
10843         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
10844         Add vec_permute_cost entry.
10845
10846 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
10847
10848         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
10849         immediate as %1.
10850         (add<mode>3_compare0): Likewise.
10851         (addsi3_compare0_uxtw): Likewise.
10852         (add<mode>3nr_compare0): Likewise.
10853         (compare_neg<mode>): Likewise.
10854         (<optab><mode>3): Likewise.
10855
10856 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
10857
10858         * tree-vect-stmts.c (vectorizable_comparison): Add
10859         NULL check for vectype.
10860
10861 2016-01-28  Richard Biener  <rguenther@suse.de>
10862
10863         PR tree-optimization/69466
10864         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
10865         Account for PHIs we couldn't duplicate.
10866
10867 2016-01-28  Martin Liska  <mliska@suse.cz>
10868
10869         PR pch/68758
10870         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
10871         instead of ENABLE_VALGRIND_CHECKING.
10872
10873 2016-01-27  Richard Henderson  <rth@redhat.com>
10874
10875         PR rtl-opt/69447
10876         * lra-remat.c (subreg_regs): New.
10877         (dump_candidates_and_remat_bb_data): Dump it.
10878         (operand_to_remat): Reject if operand in subreg_regs.
10879         (set_bb_regs): Collect subreg_regs.
10880         (lra_remat): Init and free subreg_regs.  Compute
10881         calculate_local_reg_remat_bb_data before create_cands.
10882
10883 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
10884
10885         PR target/68986
10886         * config/i386/i386.c (ix86_update_stack_boundary): Don't
10887         change stack_alignment_needed for __tls_get_addr call.
10888
10889 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
10890
10891         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
10892
10893 2016-01-27  Jeff Law  <law@redhat.com>
10894
10895         PR tree-optimization/68398
10896         PR tree-optimization/69196
10897         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
10898         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
10899         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10900         Only count PHIs in the last block in the path.  The others will
10901         const/copy propagate away.  Add heuristic to allow more irreducible
10902         subloops to be created when it is likely profitable to do so.
10903
10904         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10905         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
10906         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
10907
10908 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
10909
10910         PR lto/69254
10911         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
10912         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
10913         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
10914         * tree-streamer-in.c: Include asan.h.
10915         (streamer_get_builtin_tree): For builtins in sanitizer
10916         range call initialize_sanitizer_builtins and retry.
10917
10918 2016-01-27  Ian Lance Taylor  <iant@google.com>
10919
10920         * common.opt (fkeep-gc-roots-live): New undocumented option.
10921         * tree-ssa-loop-ivopts.c (add_candidate_1): If
10922         -fkeep-gc-roots-live, skip pointers.
10923         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
10924         NULL.
10925
10926 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
10927
10928         PR target/69512
10929         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
10930         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
10931
10932 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
10933
10934         PR target/68380
10935         * configure.ac: NetBSD provides SSP in its C library.
10936         * configure: Updated.
10937
10938 2016-01-27  Richard Biener  <rguenther@suse.de>
10939
10940         PR tree-optimization/69166
10941         * tree-vect-loop.c (vect_is_simple_reduction): Always check
10942         reduction code for commutativity / associativity.
10943
10944 2016-01-27  Martin Jambor  <mjambor@suse.cz>
10945
10946         PR tree-optimization/69355
10947         * tree-sra.c (analyze_access_subtree): Correct hole detection when
10948         total_scalarization fails.
10949
10950 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
10951
10952         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
10953         power9.
10954
10955 2016-01-27  Christian Bruel  <christian.bruel@st.com>
10956
10957         PR target/69245
10958         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
10959         Move arm_reset_previous_fndecl and set_target_option_current_node in
10960         the conditional part.  Call save_restore_target_globals.
10961         * config/arm/arm.c (arm_set_current_function):
10962         Refactor to better support #pragma target and attribute mix.
10963         Call save_restore_target_globals.
10964         * config/arm/arm-protos.h (save_restore_target_globals): New function.
10965
10966 2016-01-27  Martin Liska  <mliska@suse.cz>
10967
10968         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
10969         reference for an HSA kernel and its host function.
10970
10971 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
10972
10973         PR tree-optimization/69399
10974         * wide-int.h (wi::lrshift): For larger precisions, only
10975         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
10976
10977 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
10978
10979         * config/arc/predicates.md (proper_comparison_operator): Reject
10980         constant-constant comparison.
10981
10982 2016-01-26  Tom de Vries  <tom@codesourcery.com>
10983
10984         PR tree-optimization/69110
10985         * tree-data-ref.c (initialize_data_dependence_relation): Handle
10986         DR_NUM_DIMENSIONS == 0.
10987
10988 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
10989             Sebastian Pop  <s.pop@samsung.com>
10990
10991         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
10992         isl_ast_op_cond and isl_ast_op_select.
10993         (gcc_expression_from_isl_expr_op): Same.
10994
10995 2016-01-26  Jason Merrill  <jason@redhat.com>
10996
10997         PR c++/68782
10998         * tree.c (recompute_constructor_flags): Split out from
10999         build_constructor.
11000         (verify_constructor_flags): New.
11001         * tree.h: Declare them.
11002
11003 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
11004
11005         PR rtl-optimization/69217
11006         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
11007         are no TYPE_FIELDS set for the record type.
11008
11009 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11010
11011         PR target/68662
11012         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
11013         toc_label_name unconditionally.
11014         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
11015         SYMBOL_REF string.  Use toc_label_name instead of constructing
11016         LCTOC1.
11017         (rs6000_elf_declare_function_name): Use toc_label_name instead of
11018         constructing LCTOC1.
11019
11020 2016-01-26  Martin Sebor  <msebor@redhat.com>
11021
11022         PR other/69477
11023         * doc/extend.texi (Common Type Attributes): Move text that talks about
11024         attribute packed from attribute aligned to the section discussing
11025         the former attribute for clarity.
11026
11027 2016-01-26  Richard Henderson  <rth@redhat.com>
11028
11029         PR middle-end/60908
11030         * trans-mem.c (tm_region_init): Mark entry block as visited.
11031
11032 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
11033
11034         PR other/69006
11035         * diagnostic-show-locus.c (layout::print_source_line): Replace
11036         call to pp_newline with call to layout::print_newline.
11037         (layout::print_annotation_line): Likewise.
11038         (layout::move_to_column): Likewise.
11039         (layout::print_any_fixits): After printing any fixits, print a
11040         trailing newline, if necessary.
11041         (layout::print_newline): New method, resetting any colorization
11042         before a newline.
11043         (diagnostic_show_locus): Move the pp_newline to before the
11044         early bailout.  Remove dummy block enclosing the layout instance.
11045         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
11046         of pp_newline_and_flush with pp_flush.
11047         (diagnostic_append_note): Delete use of pp_newline.
11048         (diagnostic_append_note_at_rich_loc): Delete.
11049         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
11050         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
11051         when newline characters are added to the buffer.
11052
11053 2016-01-26  Michael Matz  <matz@suse.de>
11054
11055         * configure.ac (ac_cv_std_swap_in_utility): New test.
11056         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
11057         * configure: Regenerate.
11058         * config.in: Regenerate.
11059
11060 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
11061
11062         * config/arc/arc.md (cstoresi4): Force operand into register.
11063         (arcset<code>): Fix predicate.
11064         (arcsetltu): Likewise.
11065         (arcsetgeu): Likewise.
11066         (arcsethi): Likewise.
11067         (arcsetls): Likewise.
11068
11069 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11070
11071         PR tree-optimization/69483
11072         * gimple-fold.c (canonicalize_constructor_val): Return NULL
11073         if base has error_mark_node type.
11074
11075 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
11076
11077         PR target/68620
11078         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
11079         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
11080         New helper macros.
11081         (vget_lane_f16): Handle big-endian.
11082         (vgetq_lane_f16): Likewise.
11083         (vset_lane_f16): Likewise.
11084         (vsetq_lane_f16): Likewise.
11085         * config/arm/iterators.md (VQXMOV): Add V8HF.
11086         (VDQ): Add V4HF and V8HF.
11087         (V_reg): Handle V4HF and V8HF.
11088         (Is_float_mode): Likewise.
11089         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
11090         neon_vdup_nv8hf): New patterns.
11091         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
11092         Use VD_LANE iterator.
11093         (neon_vld1_dup<mode>): Use VQ2 iterator.
11094
11095 2016-01-26  Nathan Sidwell  <nathan@acm.org>
11096
11097         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
11098         (set_oacc_fn_attrib): Add IS_KERNEL arg.
11099         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
11100         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
11101         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
11102         (oacc_validate_dims): Add LEVEL arg, don't return level.
11103         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
11104         oacc_validate_dims.
11105         (execute_oacc_device_lower): Adjust, add more dump output.
11106         * tree-ssa-loop.c (gate_oacc_kernels): Use
11107         oacc_fn_attrib_kernels_p.
11108         * tree-parloops.c (create_parallel_loop): Adjust
11109         set_oacc_fn_attrib call.
11110
11111 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11112
11113         PR lto/69254
11114         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
11115         (append_compiler_options): Handle -fcilkplus.
11116         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
11117
11118 2016-01-26  Nick Clifton  <nickc@redhat.com>
11119
11120         PR target/66655
11121         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
11122         been marked as DECL_ONE_ONLY but we do not the means to make it
11123         so, then do not allow it to bind locally.
11124
11125 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11126
11127         PR lto/69254
11128         * opts.h (parse_sanitizer_options): New prototype.
11129         * opts.c (sanitizer_opts): New array.
11130         (parse_sanitizer_options): New function.
11131         (common_handle_option): Use parse_sanitizer_options.
11132
11133 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
11134
11135         PR target/68986
11136         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
11137         alignment adjustment to ...
11138         (ix86_update_stack_boundary): Here.  Don't over-align stack for
11139         __tls_get_addr.
11140         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
11141         if __tls_get_addr is called.
11142
11143 2016-01-26  Christian Bruel  <christian.bruel@st.com>
11144
11145         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
11146
11147 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
11148
11149         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
11150
11151 2016-01-26  Richard Biener  <rguenther@suse.de>
11152
11153         PR middle-end/69467
11154         * match.pd: Guard X * CST CMP 0 pattern with single_use.
11155
11156 2016-01-26  Richard Biener  <rguenther@suse.de>
11157
11158         PR tree-optimization/69452
11159         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
11160         (move_computations_dom_walker::before_dom_children): Rename
11161         to ...
11162         (move_computations_worker): This.
11163         (move_computations): Perform an RPO rather than a DOM walk.
11164
11165 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
11166
11167         PR target/69442
11168         * combine.c (combine_instructions): For REG_EQUAL note with
11169         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
11170         to the underlying register.
11171         * doc/rtl.texi (REG_EQUAL): Document the behavior of
11172         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
11173
11174 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
11175
11176         PR target/67896
11177         * config/aarch64/aarch64-builtins.c
11178         (aarch64_init_simd_builtin_types): Do not set structural
11179         equality to __Poly{8,16,64,128}_t types.
11180
11181 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
11182
11183         PR tree-optimization/69400
11184         * wide-int.cc (wi_pack): Take the precision as argument and
11185         perform canonicalization here rather than in the callers.
11186         Use the main loop to handle all full-width HWIs.  Add a
11187         zero HWI if in_len isn't a full result.
11188         (wi::divmod_internal): Update accordingly.
11189         (wi::mul_internal): Likewise.  Simplify.
11190
11191 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11192             Sebastian Pop  <s.pop@samsung.com>
11193
11194         * graphite-poly.c (apply_poly_transforms): Simplify.
11195         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
11196         (print_isl_map): Same.
11197         (print_isl_union_map): Same.
11198         (print_isl_schedule): New.
11199         (debug_isl_schedule): New.
11200         * graphite-dependences.c (scop_get_reads): Do not call
11201         isl_union_map_add_map that is undocumented isl functionality.
11202         (scop_get_must_writes): Same.
11203         (scop_get_may_writes): Same.
11204         (scop_get_original_schedule): Remove.
11205         (scop_get_dependences): Do not call isl_union_map_compute_flow that
11206         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
11207         (compute_deps): Remove.
11208         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
11209         (debug_schedule_ast): New.
11210         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
11211         set_separate_option.
11212         (graphite_regenerate_ast_isl): Add dump.
11213         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
11214         from scop->transformed_schedule.
11215         (graphite_regenerate_ast_isl): Add more dump.
11216         * graphite-optimize-isl.c (optimize_isl): Set
11217         scop->transformed_schedule.  Check whether schedules are equal.
11218         (apply_poly_transforms): Move here.
11219         * graphite-poly.c (apply_poly_transforms): ... from here.
11220         (free_poly_bb): Static.
11221         (free_scop): Static.
11222         (pbb_number_of_iterations_at_time): Remove.
11223         (print_isl_ast): New.
11224         (debug_isl_ast): New.
11225         (debug_scop_pbb): New.
11226         * graphite-scop-detection.c (print_edge): Move.
11227         (print_sese): Move.
11228         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
11229         (build_scop_scattering): Remove.
11230         (create_pw_aff_from_tree): Assert instead of bailing out.
11231         (add_condition_to_pbb): Remove unused code, do not fail.
11232         (add_conditions_to_domain): Same.
11233         (add_conditions_to_constraints): Remove.
11234         (build_scop_context): New.
11235         (add_iter_domain_dimension): New.
11236         (build_iteration_domains): Initialize pbb->iterators.
11237         Call add_conditions_to_domain.
11238         (nested_in): New.
11239         (loop_at): New.
11240         (index_outermost_in_loop): New.
11241         (index_pbb_in_loop): New.
11242         (outermost_pbb_in): New.
11243         (add_in_sequence): New.
11244         (add_outer_projection): New.
11245         (outer_projection_mupa): New.
11246         (add_loop_schedule): New.
11247         (build_schedule_pbb): New.
11248         (build_schedule_loop): New.
11249         (embed_in_surrounding_loops): New.
11250         (build_schedule_loop_nest): New.
11251         (build_original_schedule): New.
11252         (build_poly_scop): Call build_original_schedule.
11253         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
11254         (free_poly_dr): Remove.
11255         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
11256         (free_poly_bb): Remove.
11257         (debug_loop_vec): Remove.
11258         (print_isl_ast): Declare.
11259         (debug_isl_ast): Declare.
11260         (scop_do_interchange): Remove.
11261         (scop_do_strip_mine): Remove.
11262         (scop_do_block): Remove.
11263         (flatten_all_loops): Remove.
11264         (optimize_isl): Remove.
11265         (pbb_number_of_iterations_at_time): Remove.
11266         (debug_scop_pbb): Declare.
11267         (print_schedule_ast): Declare.
11268         (debug_schedule_ast): Declare.
11269         (struct scop): Remove schedule.  Add original_schedule,
11270         transformed_schedule.
11271         (free_gimple_poly_bb): Remove.
11272         (print_generated_program): Remove.
11273         (debug_generated_program): Remove.
11274         (unify_scattering_dimensions): Remove.
11275         * sese.c (print_edge): ... here.
11276         (print_sese): ... here.
11277         (debug_edge): ... here.
11278         (debug_sese): ... here.
11279         * sese.h (print_edge): Declare.
11280         (print_sese): Declare.
11281         (dump_edge): Declare.
11282         (dump_sese): Declare.
11283
11284 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
11285             Sebastian Pop  <s.pop@samsung.com>
11286
11287         * Makefile.in: Set ISLVER in site.exp.
11288
11289 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
11290
11291         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
11292         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
11293         through DECL_VALUE_EXPR for expansion.
11294
11295 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11296
11297         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
11298         the frame info after reload completed.
11299
11300 2016-01-25  Jeff Law  <law@redhat.com>
11301
11302         PR tree-optimization/69196
11303         PR tree-optimization/68398
11304         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
11305         tree-ssa-threadupdate.c.
11306         (determine_bb_domination_status): Prototype
11307         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
11308         (determine_bb_domination_status): No longer static.
11309         (valid_jump_thread_path): Remove code to detect characteristics
11310         of the jump thread path not associated with correctness.
11311         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
11312         Correct test for thread path length.  Count PHIs for real operands as
11313         statements that need to be copied.  Do not count ASSERT_EXPRs.
11314         Look at all the blocks in the thread path.  Compute and selectively
11315         filter thread paths based on threading through the latch, threading
11316         a multiway branch or crossing a multiway branch.
11317
11318 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11319
11320         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
11321         decl with __attribute__ ((unused)) annotation.
11322
11323 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
11324
11325         PR target/69421
11326         * tree-vect-stmts.c (vectorizable_condition): Check vectype
11327         of operands is compatible with a statement vectype.
11328
11329 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
11330
11331         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
11332         improve wording for mixed storage order support.
11333
11334 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
11335
11336         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
11337         (vcvt_u64_f64): Likewise.
11338         (vcvta_s64_f64): Likewise.
11339         (vcvta_u64_f64): Likewise.
11340         (vcvtm_s64_f64): Likewise.
11341         (vcvtm_u64_f64): Likewise.
11342         (vcvtn_s64_f64): Likewise.
11343         (vcvtn_u64_f64): Likewise.
11344         (vcvtp_s64_f64): Likewise.
11345         (vcvtp_u64_f64): Likewise.
11346
11347 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
11348
11349         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
11350         (arc_init): Check validity mll64 option.
11351         (arc_save_restore): Use double load/store instruction.
11352         (arc_expand_movmem): Likewise.
11353         (arc_split_move): Don't split if we have double load/store
11354         instructions. Returns a boolean.
11355         (arc_process_double_reg_moves): Change function to return boolean
11356         instead of a sequence of instructions.
11357         (arc_dwarf_register_span): New function.
11358         * config/arc/arc-protos.h (arc_split_move): Change prototype.
11359         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
11360         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
11361         (*movdf_insn): Likewise.
11362         * config/arc/arc.opt (mll64): New option.
11363         * config/arc/predicates.md (even_register_operand): New predicate.
11364         * doc/invoke.texi (ARC Options): Add mll64 documentation.
11365
11366 2016-01-25  Richard Biener  <rguenther@suse.de>
11367
11368         PR lto/69393
11369         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
11370         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
11371         DECL_NAMELESS.
11372         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
11373
11374 2016-01-25  Richard Biener  <rguenther@suse.de>
11375
11376         PR tree-optimization/69376
11377         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
11378         flag.
11379         (VN_INFO_ANTI_RANGE_P): New inline.
11380         (VN_INFO_RANGE_TYPE): Likewise.
11381         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
11382         SSA_NAME_ANTI_RANGE_P.
11383         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
11384         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11385         Properly query VN_INFO_RANGE_TYPE.
11386
11387 2016-01-25  Nick Clifton  <nickc@redhat.com>
11388
11389         PR target/66655
11390         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
11391
11392 2016-01-23  Tom de Vries  <tom@codesourcery.com>
11393
11394         PR tree-optimization/69426
11395         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
11396         removed clobber.
11397
11398 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
11399
11400         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
11401         "the the" with "the" in the comments.
11402         * ipa-devirt.c (build_type_inheritance_graph,
11403         update_type_inheritance_graph): Likewise.
11404         * tree.c (build_function_type_list_1): Likewise.
11405         * cfgloopmanip.c (scale_loop_profile): Likewise.
11406         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
11407         * gimple-ssa-split-paths.c
11408         (find_block_to_duplicate_for_splitting_paths): Likewise.
11409         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
11410         * expr.c (convert_move): Likewise.
11411         * var-tracking.c (vt_stack_adjustments): Likewise.
11412         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11413         * tree-vrp.c (test_for_singularity): Likewise.
11414
11415         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
11416         directly instead of building a temporary tree.
11417
11418         PR bootstrap/69434
11419         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
11420         remove <algorithm> include.
11421
11422 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11423
11424         PR target/69432
11425         * config/i386/i386.c: Include dojump.h.
11426         (expand_small_movmem_or_setmem,
11427         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
11428         fixes.
11429         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
11430         if dynamic_check != -1.
11431
11432 2016-01-21  Jeff Law  <law@redhat.com>
11433
11434         PR middle-end/69347
11435         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
11436         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
11437         into dominated_by_p.
11438         (cprop_into_successor_phis): Avoid unnecessary tests.
11439
11440 2016-01-22  Richard Henderson  <rth@redhat.com>
11441
11442         PR target/69416
11443         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
11444         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
11445
11446 2016-01-22  Michael Matz  <matz@suse.de>
11447
11448         * system.h (string, algorithm): Include only conditionally.
11449         (new): Include always under C++.
11450         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
11451         * final.c (toplevel): Ditto.
11452         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
11453         * genconditions.c (write_header): Make gencondmd.c define
11454         INCLUDE_STRING.
11455         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
11456
11457         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
11458         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
11459
11460 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11461
11462         PR target/68674
11463         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
11464
11465 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11466
11467         PR target/69403
11468         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
11469         define_insn_and_split.  Ensure operands[1] and operands[0] do not
11470         get assigned the same register.
11471
11472 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
11473
11474         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
11475
11476 2016-01-22  Christian Bruel  <christian.bruel@st.com>
11477
11478         * config/arm/arm-c.c (arm_pragma_target_parse):
11479         Remove warn_builtin_macro_redefined overwrite.
11480
11481 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11482
11483         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
11484         flag_non_call_exceptions compatibility.
11485
11486 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
11487
11488         PR debug/66668
11489         * dwarf2out.c (add_child_die_after): New function.
11490         (dwarf_qual_info_t): New type.
11491         (dwarf_qual_info): New variable.
11492         (qualified_die_p): New function.
11493         (modified_type_die): For -fdebug-types-section, ensure
11494         canonical order of qualifiers.  Put qualified DIEs adjacent
11495         to the corresponding non-qualified type DIE and search there
11496         for existing qualified DIEs.
11497
11498 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
11499
11500         * doc/extend.texi (scalar_storage_order type attribute): Document
11501         restriction on type punning and aliasing, and remove future tense.
11502
11503 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
11504
11505         PR target/69252
11506         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
11507         first stage.
11508
11509 2016-01-21  Jeff Law  <law@redhat.com>
11510
11511         PR middle-end/69347
11512         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
11513         useless call to record_temporary_equivalences.
11514         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
11515         allocate 10 slots in the bb_path vector and let it grow as needed.
11516         (fsm_find_control_statement_thread_paths): Similarly for the next_path
11517         vector.
11518
11519 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11520
11521         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
11522         Detangle.
11523         * configure: Regenerate.
11524
11525 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
11526
11527         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
11528         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
11529
11530 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
11531
11532         PR middle-end/66178
11533         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
11534         drop EXPAND_INITIALIZER.
11535         * rtl.h (contains_symbolic_reference_p): Declare.
11536         * rtlanal.c (contains_symbolic_reference_p): New function.
11537         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
11538         a subtraction into a NOT if symbolic constants are involved.
11539
11540 2016-01-21  Anton Blanchard  <anton@samba.org>
11541             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11542
11543         PR target/63354
11544         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
11545         #define.
11546         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
11547         function.
11548
11549 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11550
11551         * config/microblaze/microblaze.c
11552         (get_branch_target): New.
11553         (insert_wic_for_ilb_runout): New.
11554         (insert_wic): New.
11555         (microblaze_machine_dependent_reorg): New.
11556         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
11557         * config/microblaze/microblaze.md
11558         (UNSPEC_IPREFETCH): Define.
11559         (iprefetch): New pattern
11560         * config/microblaze/microblaze.opt
11561         (mxl-prefetch): New flag.
11562
11563 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
11564
11565         * config/microblaze/microblaze.h
11566         (FIXED_REGISTERS): Update in macro.
11567         (CALL_USED_REGISTERS): Update in macro.
11568
11569 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
11570
11571         PR rtl-optimization/68920
11572         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
11573         moves.
11574
11575 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11576
11577         PR rtl-optimization/68990
11578         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
11579         pseudo instead of inheritance ones.
11580
11581 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11582             Nick Clifton  <nickc@redhat.com>
11583
11584         PR target/69129
11585         PR target/69012
11586         * config/mips/mips.c (mips_compute_frame_info): Initialise
11587         args_size and hard_frame_pointer_offset fields of the frame
11588         structure before calling mips_global_pointer.
11589
11590 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
11591
11592         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
11593         label reference.
11594         * configure: Regenerate.
11595
11596 2016-01-21  Richard Biener  <rguenther@suse.de>
11597
11598         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
11599
11600 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11601
11602         * config/s390/s390.c (s390_asm_declare_function_size): Add code
11603         to actually emit the .size directive.
11604
11605 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
11606              Jakub Jelinek  <jakub@redhat.com>
11607
11608         PR target/69187
11609         PR target/65624
11610         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
11611         args array size by one to avoid buffer overflow.
11612
11613 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
11614
11615         * config/s390/s390.md (pool_section_start): Use switch_to_section
11616         to select proper read-only data section instead of hardcoding
11617         .rodata.
11618         (pool_section_end): Use switch_to_section to match the above.
11619
11620 2016-01-21  Richard Biener  <rguenther@suse.de>
11621
11622         PR tree-optimization/69378
11623         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
11624         (set_ssa_val_to): Use it for dominance checks taking into
11625         account not executable edges.
11626
11627 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11628
11629         PR c++/69355
11630         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
11631         for bitsize instead of GET_MODE_PRECISION (mode).
11632
11633 2016-01-20  Martin Sebor  <msebor@redhat.com>
11634
11635         PR c/52291
11636         * extend.texi (__sync Builtins): Clarify the semantics of
11637         __sync_fetch_and_OP built-ins on pointers.
11638         (__atomic Builtins): Same.
11639
11640 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11641             Sebastian Pop  <s.pop@samsung.com>
11642
11643         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
11644         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
11645         (is_valid_rename): Same.
11646         (translate_isl_ast_to_gimple::get_rename): Same.
11647         (translate_isl_ast_to_gimple::rename_all_uses): Same.
11648         (translate_isl_ast_to_gimple::rename_uses): Same.
11649         (get_new_name): Check for close_phi nodes.
11650         (copy_loop_phi_args): Use phi_node_kind.
11651         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
11652         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
11653
11654 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11655             Sebastian Pop  <s.pop@samsung.com>
11656
11657         Revert commit r229783.
11658         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
11659         Remove use of parameter_rename_map.
11660         (copy_def): Remove.
11661         (copy_internal_parameters): Remove.
11662         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
11663         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
11664         (free_sese_info): Do not free parameter_rename_map.
11665         (set_rename): Do not use parameter_rename_map.
11666         (rename_uses): Update call to set_rename.
11667         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
11668         * sese.h (parameter_rename_map_t): Remove.
11669         (struct sese_info_t): Remove field parameter_rename_map.
11670
11671 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11672             Sebastian Pop  <s.pop@samsung.com>
11673
11674         * graphite-isl-ast-to-gimple.c: Fix comment.
11675         * graphite-scop-detection.c (defined_in_loop_p): New.
11676         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
11677         names defined in loop.
11678
11679 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11680             Sebastian Pop  <s.pop@samsung.com>
11681
11682         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
11683         Discard unstructured if-then-else regions.
11684
11685 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11686             Sebastian Pop  <s.pop@samsung.com>
11687
11688         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
11689         (cleanup_loop_iter_dom): Remove.
11690         (build_loop_iteration_domains): Remove.
11691         (build_scop_context): Remove.
11692         (build_scop_iteration_domain): Remove.
11693         (add_loop_constraints): New.
11694         (build_iteration_domains): New.
11695         (build_poly_scop): Call build_iteration_domains.
11696
11697 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11698             Sebastian Pop  <s.pop@samsung.com>
11699
11700         * graphite-scop-detection.c
11701         (scop_detection::harmful_loop_in_region): Free dom and loops.
11702         (scop_detection::loop_body_is_valid_scop): Free bbs.
11703
11704 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11705             Sebastian Pop  <s.pop@samsung.com>
11706
11707         * graphite-scop-detection.c (record_loop_in_sese): New.
11708         (gather_bbs::before_dom_children): Call record_loop_in_sese.
11709         (build_scops): Remove call to build_sese_loop_nests.
11710         * sese.c (sese_record_loop): Remove.
11711         (build_sese_loop_nests): Remove.
11712         (new_sese_info): Remove region->loops.
11713         (free_sese_info): Same.
11714         * sese.h (sese_contains_loop): Same.
11715         (build_sese_loop_nests): Remove.
11716         (sese_contains_loop): Remove.
11717
11718 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11719             Sebastian Pop  <s.pop@samsung.com>
11720
11721         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
11722         loop_is_valid_in_scop.
11723         (scop_detection::harmful_stmt_in_region): Renamed
11724         harmful_loop_in_region.
11725         Call loop_is_valid_in_scop.
11726
11727 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11728             Sebastian Pop  <s.pop@samsung.com>
11729
11730         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
11731         isl_ast_node_mark.
11732
11733 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11734             Sebastian Pop  <s.pop@samsung.com>
11735
11736         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
11737         * graphite.h (struct poly_bb): Remove field is_reduction.
11738         (PBB_IS_REDUCTION): Remove.
11739
11740 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
11741             Sebastian Pop  <s.pop@samsung.com>
11742
11743         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
11744         (add_pdr_constraints): Same.
11745         (scop_get_reads): Same.
11746         (scop_get_must_writes): Same.
11747         (scop_get_may_writes): Same.
11748         (scop_get_original_schedule): Same.
11749         (extend_schedule): Same.
11750         (apply_schedule_on_deps): Same.
11751         (carries_deps): Same.
11752         (compute_deps): Same.
11753         (scop_get_dependences): Same.
11754         * graphite-isl-ast-to-gimple.c
11755         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
11756         * graphite-optimize-isl.c (get_schedule_for_band): Same.
11757         (get_schedule_for_band_list): Same.
11758         (get_schedule_map): Same.
11759         (apply_schedule_map_to_scop): Same.
11760         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
11761         (build_loop_iteration_domains): Same.
11762         (add_condition_to_pbb): Same.
11763         (add_param_constraints): Same.
11764         (pdr_add_memory_accesses): Same.
11765         (pdr_add_data_dimensions): Same.
11766
11767 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11768
11769         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
11770         requirements.
11771
11772 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
11773
11774         * common.opt (feliminate-dwarf2-dups): Replace references to
11775         "DWARF 2" with just "DWARF".
11776         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
11777         * doc/extend.texi: Likewise.
11778         * doc/cpp.texi: Likewise.
11779         * doc/invoke.texi: Likewise.
11780         (Option Summary): Add -gdwarf to list of Debugging Options.
11781         (Debugging Options): Document -gdwarf.
11782         * doc/contrib.texi: Spell "DWARF" like that.
11783
11784 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
11785
11786         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
11787         warning.  Fix up formatting.
11788
11789         PR middle-end/67653
11790         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
11791         attempt to mark memory input operand addressable and
11792         call prepare_gimple_addressable in that case.  Don't adjust
11793         input_location for diagnostics, use error_at instead.
11794
11795 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
11796
11797         * config/rs6000/ppc-auxv.h: New file.
11798         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
11799         (cpu_is): Likewise.
11800         (cpu_supports): Likewise.
11801         * config/rs6000/rs6000.c: include "ppc-auxv.h".
11802         (cpu_is_info): New variable.
11803         (cpu_supports_info): Likewise.
11804         (tcb_verification_symbol): Likewise.
11805         (cpu_builtin_p): Likewise.
11806         (cpu_expand_builtin): New function.
11807         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
11808         (rs6000_init_builtins): Likewise.
11809         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
11810         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
11811         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
11812         * configure: Regenerate.
11813         * config.in: Likewise.
11814         * doc/extend.texi (PowerPC Built-in Functions): Document
11815         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
11816
11817 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
11818
11819         PR target/68609
11820         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
11821         domain check.
11822         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
11823         for V4SFmode.
11824
11825 2016-01-20  Richard Henderson  <rth@redhat.com>
11826
11827         PR bootstrap/69343
11828         PR bootstrap/69339
11829         PR tree-opt/68964
11830         Revert:
11831         * tree.c (tm_define_builtin): New.
11832         (find_tm_vector_type): New.
11833         (build_tm_vector_builtins): New.
11834         (build_common_builtin_nodes): Call it.
11835
11836 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
11837
11838         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
11839         (arm_fp_ok): Likewise.
11840         (arm_fp): Likewise.
11841         (arm_crypto): Likewise.
11842
11843 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
11844             Richard Biener  <rguenther@suse.de>
11845
11846         PR tree-optimization/69328
11847         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
11848         vectors have same number of elements.
11849         (vectorizable_condition): Fix masked version recognition.
11850
11851 2016-01-20  Richard Biener  <rguenther@suse.de>
11852
11853         PR tree-optimization/69345
11854         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
11855         (VN_INFO_PTR_INFO): Likewise.
11856         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
11857         info when it is equal between non-dominating SSA names.
11858         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
11859         Make sure to look at original SSA infos.
11860
11861 2016-01-20  Jeff Law  <law@redhat.com>
11862
11863         PR target/25114
11864         * config/m68k/predicates.md (pow2_m1_operand): New predicate
11865         extracted from ...
11866         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
11867         (pc_or_label_operand): New predicate.
11868         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
11869         tests for small integers that are 2^n - 1.
11870
11871 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
11872
11873         * doc/invoke.texi (Options Summary): Add '.' after @xref.
11874
11875 2016-01-19  Jeff Law  <law@redhat.com>
11876
11877         PR middle-end/69347
11878         * tree-ssa-threadbackwards.c
11879         (fsm_find_control_statement_thread_paths): Do not try to lookup
11880         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
11881
11882 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
11883
11884         * doc/lto.texi: Remove text that says only Gold has linker plugin
11885         support.
11886
11887 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
11888
11889         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
11890         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
11891         the DIE accordingly.
11892         (modified_type_die): Add REVERSE parameter and pass it recursively,
11893         as well as to base_type_die.  Adjust presence check accordingly.
11894         (base_type_for_mode): Adjust call to modified_type_die.
11895         (add_type_attribute): Add REVERSE parameter and pass it to
11896         modified_type_die.
11897         (generic_parameter_die): Adjust call to add_type_attribute.
11898         (add_scalar_info): Likewise.
11899         (add_subscript_info): Likewise.
11900         (gen_array_type_die): Likewise.
11901         (gen_descr_array_type_die): Likewise.
11902         (gen_entry_point_die): Likewise.
11903         (gen_enumeration_type_die): Likewise.
11904         (gen_formal_parameter_die): Likewise.
11905         (gen_subprogram_die): Likewise.
11906         (gen_variable_die ): Likewise.
11907         (gen_const_die): Likewise.
11908         (gen_field_die): Likewise.
11909         (gen_pointer_type_die): Likewise.
11910         (gen_reference_type_die): Likewise.
11911         (gen_ptr_to_mbr_type_die): Likewise.
11912         (gen_inheritance_die): Likewise.
11913         (gen_subroutine_type_die): Likewise.
11914         (gen_typedef_die): Likewise.
11915         (force_type_die): Adjust call to modified_type_die.
11916
11917 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
11918
11919         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
11920         flow throughout the file.  Fix broken link to Objective-C 2.0
11921         documentation.
11922         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
11923         errors.
11924
11925 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11926
11927         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
11928
11929 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
11930
11931         PR ipa/66223
11932         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
11933         (maybe_record_node): Record cxa_pure_virtual as the only possible
11934         target if there are not ohter candidates.
11935         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
11936
11937 2016-01-19  Richard Biener  <rguenther@suse.de>
11938
11939         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
11940         (get_memory_order): Likewise.
11941
11942 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
11943
11944         * tree-vect-stmts.c (vectorizable_store): Check
11945         rhs vectype.
11946
11947 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
11948
11949         PR jit/68446
11950         * gcc.c (driver::decode_argv): Add call to
11951         init_opts_obstack before init_options_struct.
11952         * opts.c (init_opts_obstack): Remove idempotency.
11953         (init_options_struct): Replace call to init_opts_obstack
11954         with a gcc_assert to verify that it has already been called.
11955         * toplev.c (toplev::main): Add call to init_opts_obstack before
11956         calls to init_options_struct.
11957         (toplev::finalize): Move cleanup of opts_obstack next to
11958         cleanup of save_decoded_options, clearing the latter, and
11959         save_decoded_options_count.
11960
11961 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11962
11963         PR target/69135
11964         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
11965         attribute to unconditional.  Remove %? from output template.
11966
11967 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11968             Jiong Wang  <jiong.wang@arm.com>
11969
11970         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
11971         generated from different expand order.
11972
11973 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11974
11975         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
11976         Add support for CCMP costing.
11977
11978 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11979
11980         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
11981         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
11982         (fccmpe<mode>): Likewise.
11983         (fcmp): Rename to fcmp and globalize pattern.
11984         (fcmpe): Likewise.
11985         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
11986         (aarch64_gen_ccmp_next): Add FP support.
11987
11988 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
11989
11990         * target.def (gen_ccmp_first): Update documentation.
11991         (gen_ccmp_next): Likewise.
11992         * doc/tm.texi (gen_ccmp_first): Update documentation.
11993         (gen_ccmp_next): Likewise.
11994         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
11995         expand_ccmp_expr_1.  Improve comments.
11996         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
11997         (ccmp_ior<mode>): Remove pattern.
11998         (cmp<mode>): Remove expand.
11999         (cmp): Globalize pattern.
12000         (cstorecc4): Use cc_register.
12001         (mov<mode>cc): Remove ccmp_cc_register check.
12002         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
12003         Simplify after removal of CC_DNE/* modes.
12004         (aarch64_ccmp_mode_to_code): Remove.
12005         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
12006         In 'k' case use integer as condition.
12007         (aarch64_nzcv_codes): Remove inverted cases.
12008         (aarch64_code_to_ccmode): Remove.
12009         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
12010         comparison with CC register to be used in folowing CCMP/branch/CSEL.
12011         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
12012         pattern.  Return the comparison with CC register.  Invert conditions
12013         when bitcode is OR.
12014         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
12015         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
12016
12017 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12018
12019         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12020         instrumented_version.
12021
12022 2016-01-19  Richard Biener  <rguenther@suse.de>
12023
12024         PR tree-optimization/69336
12025         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
12026         handled components with get_ref_base_and_extent.
12027         (equal_mem_array_ref_p): Adjust.
12028
12029 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12030
12031         PR debug/65779
12032         * shrink-wrap.c: Include valtrack.h.
12033         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
12034         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
12035         in between insn and where it will be moved to.  Call
12036         dead_debug_insert_temp.
12037         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
12038         first and dead_debug_local_finish at the end.
12039         For uses and defs bitmap, handle all regs in between REGNO and
12040         END_REGNO, not just the first one.
12041
12042 2016-01-19  Richard Biener  <rguenther@suse.de>
12043
12044         PR tree-optimization/69352
12045         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
12046         (equal_mem_array_ref_p): Constrain size and max size properly.
12047         Compare the reverse flag.
12048
12049 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
12050
12051         * ira.c (ira): Update regstat data if we deleted insns.
12052
12053 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
12054
12055         PR rtl-optimization/68955
12056         PR rtl-optimization/64557
12057         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
12058         here.  Fix up formatting.
12059         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
12060
12061 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12062
12063         PR lto/69133
12064         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
12065         assume that the node has body.
12066         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
12067         check.
12068
12069 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12070
12071         * lto-streamer-out.c (lto_output): Do not stream instrumentation
12072         thunks.
12073
12074 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12075
12076         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
12077         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
12078
12079 2016-01-19  Martin Jambor  <mjambor@suse.cz>
12080             Martin Liska  <mliska@suse.cz>
12081             Michael Matz  <matz@suse.de>
12082
12083         * Makefile.in (OBJS): Add new source files.
12084         (GTFILES): Add hsa.c.
12085         * common.opt (disable_hsa): New variable.
12086         (-Whsa): New warning.
12087         * config.in (ENABLE_HSA): New.
12088         * configure.ac: Treat hsa differently from other accelerators.
12089         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
12090         $enable_offloading.
12091         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
12092         * doc/install.texi (Configuration): Document --with-hsa-runtime,
12093         --with-hsa-runtime-include, --with-hsa-runtime-lib and
12094         --with-hsa-kmt-lib.
12095         * doc/invoke.texi (-Whsa): Document.
12096         (hsa-gen-debug-stores): Likewise.
12097         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
12098         to invoke offload compiler for hsa acclerator.
12099         * opts.c (common_handle_option): Determine whether HSA offloading
12100         should be performed.
12101         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
12102         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
12103         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
12104         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
12105         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
12106         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
12107         GF_OMP_FOR_KIND_GRID_LOOP.
12108         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
12109         (pp_gimple_stmt_1): Likewise.
12110         * gimple-walk.c (walk_gimple_stmt): Likewise.
12111         * gimple.c (gimple_build_omp_grid_body): New function.
12112         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
12113         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
12114         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
12115         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
12116         GF_OMP_TEAMS_GRID_PHONY.
12117         (gimple_statement_omp_single_layout): Updated comments.
12118         (gimple_build_omp_grid_body): New function.
12119         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
12120         (gimple_omp_for_grid_phony): New function.
12121         (gimple_omp_for_set_grid_phony): Likewise.
12122         (gimple_omp_parallel_grid_phony): Likewise.
12123         (gimple_omp_parallel_set_grid_phony): Likewise.
12124         (gimple_omp_teams_grid_phony): Likewise.
12125         (gimple_omp_teams_set_grid_phony): Likewise.
12126         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
12127         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
12128         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
12129         (BUILT_IN_GOMP_TARGET): Updated type.
12130         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
12131         (adjust_for_condition): New function.
12132         (get_omp_for_step_from_incr): Likewise.
12133         (extract_omp_for_data): Moved parts to adjust_for_condition and
12134         get_omp_for_step_from_incr.
12135         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
12136         (fixup_child_record_type): Bail out if receiver_decl is NULL.
12137         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
12138         (scan_omp_parallel): Do not create child functions for phony
12139         constructs.
12140         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
12141         (scan_omp_1_op): Checking assert we are not remapping to
12142         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
12143         (parallel_needs_hsa_kernel_p): New function.
12144         (expand_parallel_call): Register apprpriate parallel child
12145         functions as HSA kernels.
12146         (grid_launch_attributes_trees): New type.
12147         (grid_attr_trees): New variable.
12148         (grid_create_kernel_launch_attr_types): New function.
12149         (grid_insert_store_range_dim): Likewise.
12150         (grid_get_kernel_launch_attributes): Likewise.
12151         (get_target_argument_identifier_1): Likewise.
12152         (get_target_argument_identifier): Likewise.
12153         (get_target_argument_value): Likewise.
12154         (push_target_argument_according_to_value): Likewise.
12155         (get_target_arguments): Likewise.
12156         (expand_omp_target): Call get_target_arguments instead of looking
12157         up for teams and thread limit.
12158         (grid_expand_omp_for_loop): New function.
12159         (grid_arg_decl_map): New type.
12160         (grid_remap_kernel_arg_accesses): New function.
12161         (grid_expand_target_kernel_body): New function.
12162         (expand_omp): Call it.
12163         (lower_omp_for): Do not emit phony constructs.
12164         (lower_omp_taskreg): Do not emit phony constructs but create for them
12165         a temporary variable receiver_decl.
12166         (lower_omp_taskreg): Do not emit phony constructs.
12167         (lower_omp_teams): Likewise.
12168         (lower_omp_grid_body): New function.
12169         (lower_omp_1): Call it.
12170         (grid_reg_assignment_to_local_var_p): New function.
12171         (grid_seq_only_contains_local_assignments): Likewise.
12172         (grid_find_single_omp_among_assignments_1): Likewise.
12173         (grid_find_single_omp_among_assignments): Likewise.
12174         (grid_find_ungridifiable_statement): Likewise.
12175         (grid_target_follows_gridifiable_pattern): Likewise.
12176         (grid_remap_prebody_decls): Likewise.
12177         (grid_copy_leading_local_assignments): Likewise.
12178         (grid_process_kernel_body_copy): Likewise.
12179         (grid_attempt_target_gridification): Likewise.
12180         (grid_gridify_all_targets_stmt): Likewise.
12181         (grid_gridify_all_targets): Likewise.
12182         (execute_lower_omp): Call grid_gridify_all_targets.
12183         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
12184         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
12185         (tree_omp_clause): Added union field dimension.
12186         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
12187         * tree.c (omp_clause_num_ops): Added number of arguments of
12188         OMP_CLAUSE__GRIDDIM_.
12189         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
12190         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
12191         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
12192         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
12193         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
12194         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
12195         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
12196         * tree-pass.h (make_pass_gen_hsail): Declare.
12197         (make_pass_ipa_hsa): Likewise.
12198         * ipa-hsa.c: New file.
12199         * lto-section-in.c (lto_section_name): Add hsa section name.
12200         * lto-streamer.h (lto_section_type): Add hsa section.
12201         * timevar.def (TV_IPA_HSA): New.
12202         * hsa-brig-format.h: New file.
12203         * hsa-brig.c: New file.
12204         * hsa-dump.c: Likewise.
12205         * hsa-gen.c: Likewise.
12206         * hsa.c: Likewise.
12207         * hsa.h: Likewise.
12208         * toplev.c (compile_file): Call hsa_output_brig.
12209         * hsa-regalloc.c: New file.
12210
12211 2016-01-18  Jeff Law  <law@redhat.com>
12212
12213         PR tree-optimization/69320
12214         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
12215         ranged object, do nothing if the RHS constant is not [0..1].
12216         (optimize_stmt): Comparing a boolean ranged object against a
12217         constant outside [0..1] results in a compile-time constant.
12218
12219         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
12220         test.
12221
12222 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
12223
12224         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12225         (Option Summary): Update to reflect new section and moved options.
12226         (C++ Dialect Options): Move -fstats to new section.
12227         (Debugging Options): Move all dump, statistics, and other GCC
12228         developer options to new section.  Rewrite section introduction
12229         and re-order remaining options to put the more basic ones first.
12230         (Optimization Options): Move -fira-verbose and -flto-report* to
12231         new section.
12232         (Developer Options): New section incorporating moved options.
12233         * doc/cppopts.texi (-dM): Update cross-reference.
12234
12235 2016-01-18  Richard Henderson  <rth@redhat.com>
12236
12237         PR target/69176
12238         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
12239         operands to pseudo only if CSE is expected.  Split long immediate
12240         operands only after reload, and for the stack pointer.
12241         (*add<GPI>3_pluslong): Remove.
12242         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
12243         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
12244         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
12245         (*add<GPI>3 peepholes): New.
12246         (*add<GPI>3 splitters): New.
12247         * config/aarch64/constraints.md (Upl): New.
12248         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
12249
12250 2016-01-18  Richard Biener  <rguenther@suse.de>
12251
12252         PR tree-optimization/69297
12253         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
12254         stmt at most once.
12255         (vect_bb_vectorization_profitable_p): Clear visited flag again.
12256
12257 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
12258
12259         PR middle-end/68542
12260         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
12261         of mixind vector and scalar types.
12262         (fold_relational_const): Add handling of vector
12263         comparison with boolean result.
12264         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
12265         comparison of vector operands with boolean result for EQ/NE only.
12266         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
12267         (verify_gimple_cond): Likewise.
12268         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
12269         valid type of VAL.
12270
12271 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
12272
12273         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
12274         !TARGET_OCTEON.
12275
12276 2016-01-18  Richard Biener  <rguenther@suse.de>
12277
12278         PR middle-end/69308
12279         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
12280
12281 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12282
12283         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
12284
12285 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12286
12287         * omp-low.c (set_oacc_fn_attrib): Make extern.
12288         * omp-low.h (set_oacc_fn_attrib): Declare.
12289         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
12290         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
12291         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
12292         Add and handle function parameter oacc_kernels_p.
12293         (find_reduc_addr, get_omp_data_i_param): New function.
12294         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
12295         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
12296         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
12297         Calculate dominance info.  Skip loops that are not in a kernels region
12298         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
12299         (pass_parallelize_loops::execute): Call parallelize_loops with
12300         oacc_kernels_p argument.
12301         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
12302         New member function.
12303         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
12304         * passes.def: Add argument to pass_parallelize_loops instantation.
12305
12306 2016-01-18  Tom de Vries  <tom@codesourcery.com>
12307
12308         * tree-parloops.c (pass_parallelize_loops::execute): Allow
12309         pass_parallelize_loops to be run outside the loop pipeline.
12310
12311 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12312
12313         * tree-scalar-evolution.c (follow_copies_to_constant): New.
12314         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
12315
12316 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12317
12318         PR target/63679
12319         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
12320         using get_ref_base_and_extent.
12321         (equal_mem_array_ref_p): New.
12322         (hashable_expr_equal_p): Add call to previous.
12323
12324 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
12325
12326         PR target/63679
12327         * tree-sra.c (disqualified_constants, constant_decl_p): New.
12328         (sra_initialize): Allocate disqualified_constants.
12329         (sra_deinitialize): Free disqualified_constants.
12330         (disqualify_candidate): Update disqualified_constants when appropriate.
12331         (create_access): Scan for constant-pool entries as we go along.
12332         (scalarizable_type_p): Add check against type_contains_placeholder_p.
12333         (maybe_add_sra_candidate): Allow constant-pool entries.
12334         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
12335         (initialize_constant_pool_replacements): New.
12336         (sra_modify_assign): Avoid mangling assignments created by previous,
12337         and don't generate writes into constant pool.
12338         (sra_modify_function_body): Call initialize_constant_pool_replacements.
12339
12340 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
12341
12342         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
12343         andnot instruction.
12344         (scalar_chain::convert_op): Likewise.
12345         * config/i386/i386.md (*andndi3_doubleword): New.
12346
12347 2016-01-18  Richard Biener  <rguenther@suse.de>
12348
12349         PR tree-optimization/69170
12350         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
12351         building a vector from scalar results of a pattern stmt.
12352
12353 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
12354
12355         * haifa-sched.c (autopref_multipass_init): Work around
12356         -Wmaybe-uninitialized warning.
12357
12358 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
12359
12360         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
12361         against the constant 0.
12362
12363 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
12364
12365         PR tree-optimization/68799
12366         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
12367         look up phi candidates in the statement-candidate map.
12368         (phi_add_costs): Likewise.
12369         (record_phi_increments): Likewise.
12370         (phi_incr_cost): Likewise.
12371         (ncd_with_phi): Likewise.
12372         (all_phi_incrs_profitable): Likewise.
12373
12374 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
12375
12376         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
12377         -Wmaybe-uninitialized warning.
12378
12379 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
12380
12381         * doc/invoke.texi (Invoking GCC): Add new section to menu.
12382         (Option Summary): Update to reflect new section and moved options.
12383         (C++ Dialect Options): Move -fvtable-verify and related options.
12384         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
12385         and profiling-related options.
12386         (Optimization Options): Move profile generation options and
12387         -fstack-protector and related options.
12388         (Instrumentation Options): New section incorporating moved options.
12389         (Code Generation Options): Move -finstrument-functions and
12390         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
12391
12392 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12393
12394         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
12395
12396 2016-01-16  Tom de Vries  <tom@codesourcery.com>
12397
12398         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
12399
12400 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
12401
12402         * hash-table.h (hash_table::empty): Turn into an inline wrapper
12403         that checks whether the table is already empty.  Rename the
12404         original implementation to...
12405         (hash_table::empty_slot): ...this new private function.
12406
12407 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
12408
12409         PR diagnostic/68899
12410         * diagnostic-show-locus.c (layout::print_source_line): Move x
12411         offset of line until after call to
12412         get_line_width_without_trailing_whitespace.
12413
12414 2016-01-15  Jeff Law  <law@redhat.com>
12415
12416         PR tree-optimization/69270
12417         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
12418         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
12419         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
12420         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
12421         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
12422         ssa_name_has_boolean_range and constant_boolean_node.
12423
12424 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
12425
12426         PR rtl-optimization/69030
12427         * lra-spills.c (remove_pseudos): Check nrefs and make the function
12428         returning bool.
12429         (spill_pseudos): Delete debug insn for dead pseudo.
12430         (lra_spill): Initiate spill_hard_reg and slots memory separately.
12431
12432 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
12433
12434         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
12435         New.
12436         (TYPES_UNOPUS): Likewise.
12437         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
12438         builtin type, from UNOP to UNOPUS.
12439         (lbtruncuv4sf): Likewise.
12440         (lbtruncuv2df): Likewise.
12441         (lrounduv2sf): Likewise.
12442         (lrounduv4sf): Likewise.
12443         (lrounduv2df): Likewise.
12444         (lroundusf): Likewise.
12445         (lroundusf): Likewise.
12446         (lceiluv2sf): Likewise.
12447         (lceiluv4sf): Likewise.
12448         (lceiluv2df): Likewise.
12449         (lceilusf): Likewise.
12450         (lceiludf): Likewise.
12451         (lflooruv2sf): Likewise.
12452         (lflooruv4sf): Likewise.
12453         (lflooruv2df): Likewise.
12454         (lfloorusf): Likewise.
12455         (lfloorudf): Likewise.
12456         (lfrintnuv2sf): Likewise.
12457         (lfrintnuv4sf): Likewise.
12458         (lfrintnuv2df): Likewise.
12459         (lfrintnusf): Likewise.
12460         (lfrintnudf): Likewise.
12461         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
12462         conversion.
12463         (vcvtq_u32_f32): Likewise.
12464         (vcvtq_u64_f64): Likewise.
12465         (vcvta_u32_f32): Likewise.
12466         (vcvtaq_u32_f32): Likewise.
12467         (vcvtaq_u64_f64): Likewise.
12468         (vcvtm_u32_f32): Likewise.
12469         (vcvtmq_u32_f32): Likewise.
12470         (vcvtmq_u64_f64): Likewise.
12471         (vcvtn_u32_f32): Likwise.
12472         (vcvtnq_u32_f32): Likewise.
12473         (vcvtnq_u64_f64): Likewise.
12474         (vcvtp_u32_f32): Likewise.
12475         (vcvtpq_u32_f32): Likewise.
12476         (vcvtpq_u64_f64): Likewise.
12477         (vcvtmd_u64_f64): Likewise.
12478         (vcvtms_u32_f32): Likewise.
12479         (vcvtad_u64_f64): Likewise.
12480         (vcvtas_u32_f32): Likewise.
12481         (vcvtnd_u64_f64): Likewise.
12482         (vcvtns_u32_f32): Likewise.
12483         (vcvtpd_u64_f64): Likewise.
12484         (vcvtps_u32_f32): Likewise.
12485
12486 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12487
12488         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
12489         CSEL of zero_extended registers.
12490
12491 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12492
12493         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
12494         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
12495
12496 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12497
12498         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
12499         false when argument string is not found in the attributes table
12500         at all.
12501
12502 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
12503
12504         PR target/68609
12505         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
12506         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
12507         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
12508         precision estimate.
12509
12510 2016-01-15  Richard Biener  <rguenther@suse.de>
12511
12512         PR tree-optimization/66856
12513         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
12514         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
12515         (vect_create_new_slp_node): Increment stmt reference count.
12516         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
12517         an SLP tree before swapping operands.
12518         (vect_build_slp_tree): Likewise.
12519         (destroy_bb_vec_info): Free stmt info after SLP instances.
12520         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
12521         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
12522         (STMT_VINFO_NUM_SLP_USES): New macro.
12523
12524 2016-01-15  Richard Biener  <rguenther@suse.de>
12525
12526         PR debug/69137
12527         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
12528         (add_linkage_name): ... here.
12529         (gen_typedef_die): Use add_linkage_name_raw instead of
12530         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
12531         if necessary.
12532
12533 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
12534
12535         * gimplify.c (oacc_default_clause): Decode reference and pointer
12536         types for both kernels and parallel regions.
12537
12538 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
12539
12540         PR middle-end/69246
12541         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
12542
12543 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12544
12545         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
12546         (convert_scalars_to_vector): Likewise.
12547
12548 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
12549
12550         * doc/extend.texi (Type Traits): Fix grammar.
12551
12552 2016-01-15  Martin Jambor  <mjambor@suse.cz>
12553
12554         * tree-inline.c (remap_decl): Use existing dclarations if
12555         remapping a type and prevent_decl_creation_for_types.
12556         (replace_locals_stmt): Do an initial remapping of non-VLA typed
12557         decls first.  Do real remapping with
12558         prevent_decl_creation_for_types set.
12559         * tree-inline.h (copy_body_data): New field
12560         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
12561         padding.
12562
12563 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12564
12565         * config/s390/s390.opt (mmvcle): More verbose help text.
12566
12567 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12568
12569         * config/s390/s390.opt: Add period to -mzvector option text.
12570
12571 2016-01-15  Richard Biener  <rguenther@suse.de>
12572
12573         PR tree-optimization/68961
12574         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
12575         of invariants in stores again.
12576
12577 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
12578
12579         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
12580
12581 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
12582
12583         * config/i386/i386.c (ix86_expand_branch): Don't split
12584         DI mode xor instruction to SI mode.
12585
12586 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12587
12588         PR ipa/68148
12589         * ipa-icf.c (sem_function::merge): Virtual functions may become
12590         reachable even if they address is not taken and there are no
12591         idrect calls.
12592
12593 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
12594
12595         * lto-streamer-out.c (subtract_estimated_size): New function.
12596         (get_symbol_initial_value): Use it.
12597
12598 2016-01-15  Christian Bruel  <christian.bruel@st.com>
12599
12600         PR target/65837
12601         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
12602         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
12603         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
12604         use add_builtin_function_ext_scope instead of add_builtin_function.
12605         (neon_set_p, neon_crypto_set_p): Remove.
12606         (arm_init_builtins): Always call arm_init_neon_builtins and
12607         arm_init_crypto_builtins.
12608         (arm_expand_builtin): Check that builtins are allowed for the arch.
12609         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
12610         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
12611         arm_init_neon_builtins call.
12612
12613 2016-01-15  Richard Biener  <rguenther@suse.de>
12614
12615         PR tree-optimization/69117
12616         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
12617         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
12618         of the leader conservatively.
12619         (free_scc_vn): Restore original SSA name infos.
12620
12621 2016-01-14  Jeff Law  <law@redhat.com>
12622
12623         PR tree-optimization/69270
12624         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
12625         single bit of precision, verify it's also unsigned.
12626         (record_edge_info): Use constant_boolean_node rather than fold_convert
12627         to convert boolean_true/boolean_false to the right type.
12628
12629 2016-01-14  Richard Henderson  <rth@redhat.com>
12630
12631         PR rtl-opt/69014
12632         * loop-doloop.c (record_reg_sets): New.
12633         (doloop_optimize): Reject the transform if the sequence
12634         clobbers registers live at the end of the loop block.
12635         (doloop_optimize_loops): Enable df_live if needed.
12636
12637 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
12638
12639         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
12640         * config/rs6000/rs6000.c: Likewise.
12641         * config/rs6000/rs6000.h: Likewise.
12642         * config/rs6000/rs6000.md: Likewise.
12643         * doc/extend.texi: Likewsie.
12644
12645 2016-01-14  Jeff Law  <law@redhat.com>
12646
12647         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
12648         typo.
12649
12650 2016-01-14  Richard Henderson  <rth@redhat.com>
12651
12652         PR c/69272
12653         PR tree-opt/68964
12654         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
12655         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
12656         instead of builtin_decl_declared_p to test for declaration.
12657
12658 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
12659
12660         * doc/loop.texi (Loop Analysis and Representation): Document
12661         loop_depth function.
12662
12663 2016-01-14  Tom de Vries  <tom@codesourcery.com>
12664
12665         PR tree-optimization/68773
12666         * omp-low.c (expand_omp_target): Don't set force_output.
12667         * varpool.c (varpool_node::get_create): Same.
12668         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
12669         offload_funcs with force_output.
12670
12671 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12672
12673         PR debug/69244
12674         * lra-eliminations.c (move_plus_up): Don't change anything if either
12675         the outer or inner subreg mode is not MODE_INT.
12676         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
12677         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
12678
12679 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12680
12681         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
12682         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
12683         reduc_uplus_@var{m}): Remove.
12684         * expr.c (expand_expr_real_2): Remove expansion path for
12685         reduc_[us](min|max|plus) optabs.
12686         * optabs-tree.c (scalar_reduc_to_vector): Remove.
12687         * optabs-tree.h (scalar_reduc_to_vector): Remove.
12688         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
12689         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
12690         * tree-vect-loop.c (vectorizable_reduction): Remove test for
12691         reduc_[us](min|max|plus) optabs.
12692
12693 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
12694
12695         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
12696         (reduc_plus_scal_v2sf): New.
12697         (reduc_smax_v2sf): Rename to...
12698         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
12699         (reduc_smin_v2sf): Rename to...
12700         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
12701
12702 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
12703
12704         * alias.c (compare_base_symbol_refs): New function.
12705         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
12706         it.
12707
12708 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12709
12710         PR middle-end/68146
12711         PR tree-optimization/69155
12712         * tree-complex.c: Include cfganal.h.
12713         (phis_to_revisit): New variable.
12714         (extract_component): Add phiarg_p argument.  Assert that returned
12715         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
12716         (update_phi_components): Partly rewrite to use loop over real/imag
12717         components instead of code duplication.  If extract_component returns
12718         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
12719         create_tmp_reg into the PHI node instead, and mention the phi triplet
12720         in phis_to_revisit.
12721         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
12722         in phis_to_revisit at the end.
12723
12724 2016-01-14  Richard Biener  <rguenther@suse.de>
12725
12726         PR tree-optimization/68060
12727         * tree-vect-loop.c (vect_is_simple_reduction): Check the
12728         outer loop reduction is only used in the inner loop before
12729         detecting a double reduction.
12730
12731 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
12732
12733         PR target/68269
12734         * combine.c (expand_field_assignment): Punt if compute_mode is
12735         unsupported scalar mode.
12736
12737 2016-01-14  Richard Biener  <rguenther@suse.de>
12738
12739         PR tree-optimization/66856
12740         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
12741         SLP node only if it built successfully.
12742         (vect_analyze_slp_instance): Adjust.
12743
12744 2016-01-14  Jeff Law  <law@redhat.com>
12745
12746         PR tree-optimization/69270
12747         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
12748         (record_edge_info): Use it.  Convert boolean_{true,false}_node
12749         to the type of op0.
12750
12751 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
12752
12753         PR ipa/66487
12754         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
12755         use block_ultimate_origin
12756         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
12757
12758 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12759
12760         * doc/invoke.texi (Submodel Options): Rename section to
12761         "Machine-Dependent Options" to better reflect its content.
12762         Rewrite introductory text to remove archaic CPU names.
12763         Update references.
12764
12765 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
12766
12767         * doc/invoke.texi (Code Gen Options): Move section up in file,
12768         before target-specific options.  Update menu and option summary
12769         to reflect the new section ordering.
12770
12771 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12772
12773         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
12774         (C++ Dialect Options): Add cross-reference to -std option.
12775         * doc/standards.texi (C++ Language): Document C++14 support.
12776
12777 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
12778
12779         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
12780         for pack/unpack functions for __ibm128.
12781         (PACK_IF): Likewise.
12782         (UNPACK_IF): Likewise.
12783
12784         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
12785         support for __ibm128 pack/unpack functions.
12786         (rs6000_invalid_builtin): Likewise.
12787         (rs6000_init_builtins): Likewise.
12788         (rs6000_opt_masks): Likewise.
12789
12790         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
12791         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
12792         functions
12793         (RS6000_BTM_COMMON): Likewise.
12794
12795         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
12796         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
12797         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
12798         128-bit floating point.  Add support for the double values to be
12799         in Altivec registers for TF/IF packing and unpacking, but restrict
12800         TD packing sub-fields to be FPR registers.  Don't allow overlapped
12801         register support for packing.  Allow pack inputs to be memory
12802         locations.  Don't build generator functions for unpack<mode>_dm
12803         and unpack<mode>_nodm.
12804         (unpack<mode>_dm): Likewise.
12805         (unpack<mode>_nodm): Likewise.
12806         (pack<mode>): Likewise.
12807
12808         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
12809         built-in functions to pack/unpack explicit __ibm128 values.
12810         (__builtin_unpack_ibm128): Likewise.
12811
12812         * doc/extend.texi (PowerPC Built-in Functions): Document
12813         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
12814
12815 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
12816
12817         PR c/66208
12818         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
12819         Add new arg loc and pass it down as context.
12820         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
12821         to the location to use for the warning.
12822         (check_function_arguments): New arg loc.  All callers changed.  Pass
12823         it to check_function_nonnull.
12824         * c-common.h (check_function_arguments): Adjust declaration.
12825
12826 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
12827
12828         PR tree-optimization/69156
12829         * gimple.c (validate_type): Removed.
12830         (gimple_builtin_call_types_compatible_p): Use
12831         useless_type_conversion_p instead of validate_type.
12832         * value-prof.c (gimple_stringop_fixed_value): Fold
12833         icall_size to correct type.
12834
12835 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
12836
12837         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
12838         effects.
12839
12840 2016-01-13  Richard Henderson  <rth@redhat.com>
12841
12842         PR tree-opt/68964
12843         * target.def (builtin_tm_load, builtin_tm_store): Remove.
12844         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
12845         (ix86_builtin_tm_store): Remove.
12846         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12847         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12848         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
12849         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
12850         * doc/tm.texi: Rebuild.
12851
12852         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
12853         (BUILT_IN_TM_MEMCPY_RTWN): New.
12854         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
12855         fallback from vector to integer helpers.
12856         (build_tm_load): Handle vector types directly, instead of
12857         via target hook.
12858         (build_tm_store): Likewise.
12859         (expand_assign_tm): Prepare for register types not handled by
12860         the above.  Copy them to memory and use memcpy.
12861         * tree.c (tm_define_builtin): New.
12862         (find_tm_vector_type): New.
12863         (build_tm_vector_builtins): New.
12864         (build_common_builtin_nodes): Call it.
12865
12866 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
12867
12868         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
12869         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
12870
12871 2016-01-13  Tom de Vries  <tom@codesourcery.com>
12872
12873         PR tree-optimization/69169
12874         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
12875         handled_struct_type param.
12876         (create_variable_info_for, intra_create_variable_infos): Call
12877         create_variable_info_for_1 with extra arg.
12878
12879 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
12880
12881         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
12882         and "armv8.1-a+crc" entries.
12883
12884 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
12885
12886         PR target/69228
12887         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
12888         Change first operand predicate from register_or_constm1_operand
12889         to register_operand.
12890         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
12891         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
12892         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
12893         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
12894         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
12895         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
12896         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
12897         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
12898         comparison with constm1_rtx from vec_prefetch_gen part.
12899
12900 2016-01-13  Richard Biener  <rguenther@suse.de>
12901
12902         PR tree-optimization/69013
12903         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
12904         Exchange assert for a test.
12905
12906 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12907
12908         PR target/69247
12909         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
12910
12911 2016-01-13  Richard Biener  <rguenther@suse.de>
12912
12913         PR tree-optimization/69242
12914         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
12915         assert with a check.
12916
12917 2016-01-13  Richard Biener  <rguenther@suse.de>
12918
12919         PR tree-optimization/69186
12920         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
12921         Properly guard vect_update_misalignment_for_peel call.
12922
12923 2016-01-12  Jeff Law  <law@redhat.com>
12924
12925         PR tree-optimization/pr67755
12926         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
12927         "need_profile_correction".
12928         (thread_block_1): Initialize new field to false by default.  If we
12929         have multiple thread paths through a common joiner to different
12930         final targets, then set new field to true.
12931         (compute_path_counts): Only do count adjustment when it's really
12932         needed.
12933
12934 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
12935
12936         * doc/invoke.texi (Spec Files): Move section down in file, past
12937         all command-line option descriptions.
12938
12939 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12940
12941         PR middle-end/54809
12942         * doc/gty.texi: Remove documentation of mark_hook.
12943         * gengtype.c (struct write_types_data): Remove code to support
12944         mark_hook attribute.
12945         (walk_type): Likewise.
12946         (write_func_for_structure): Likewise.
12947
12948 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
12949
12950         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
12951         Directory Options, and -specs= to Overall Options.
12952         (Overall Options): Adjust similarly.  Reorder to group related
12953         options together.  Make -specs= cross-reference the spec file details.
12954         (Directory Options): Adjust similarly.
12955
12956 2016-01-12  Jeff Law  <law@redhat.com>
12957
12958         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
12959
12960 2016-01-12  Olivier Hainque  <hainque@adacore.com>
12961
12962         * gcc.c (spec_undefvar_allowed): New global.
12963         (process_command): Set to true when running for --version or --help,
12964         alone or together.
12965         (getenv_spec_function): When the variable is not defined, use the
12966         variable name as the variable value if we're allowed not to issue
12967         a fatal error.
12968
12969 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
12970
12971         PR tree-optimization/68911
12972         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
12973         information computed for expression "init + nit * step".
12974
12975 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
12976
12977         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
12978         about name of GCC executable.  Remove deleted node from menu.
12979         (Directory Options) <-B>: Remove cross-reference to deleted node.
12980         (Target Options): Delete section.
12981
12982 2016-01-12  Christian Bruel  <christian.bruel@st.com>
12983
12984         PR target/69180
12985         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
12986         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
12987
12988 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
12989
12990         PR target/69198
12991         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
12992         aligned_mem is properly set for AVX512-VL floating point masked
12993         stores.
12994
12995         PR target/69175
12996         * ifcvt.c (cond_exec_process_if_block): When removing the last
12997         insn from then_bb, remove also any possible barriers that follow it.
12998
12999 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
13000
13001         PR target/68456
13002         PR target/69226
13003         * config/i386/iamcu.h (SIZE_TYPE): New macro.
13004         (PTRDIFF_TYPE): Likewise.
13005         (WCHAR_TYPE): Likewise.
13006         (WCHAR_TYPE_SIZE): Likewise.
13007         (STDINT_LONG32): Likewise.
13008
13009 2016-01-12  Richard Biener  <rguenther@suse.de>
13010
13011         PR tree-optimization/69053
13012         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
13013         convert initial value for cond reductions.
13014
13015 2016-01-12  Richard Biener  <rguenther@suse.de>
13016
13017         PR tree-optimization/69007
13018         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
13019         widen_sum after dot_prod and sad.
13020
13021 2016-01-12  Richard Biener  <rguenther@suse.de>
13022
13023         PR tree-optimization/69168
13024         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
13025         pattern stmt SLP type.
13026         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
13027         end up unused so cope with that case.
13028
13029 2016-01-12  Richard Biener  <rguenther@suse.de>
13030
13031         PR tree-optimization/69157
13032         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
13033         stmts def type only during analyze phase.
13034         (vectorizable_call): Likewise.
13035         (vectorizable_simd_clone_call): Likewise.
13036         (vectorizable_conversion): Likewise.
13037         (vectorizable_assignment): Likewise.
13038         (vectorizable_shift): Likewise.
13039         (vectorizable_operation): Likewise.
13040         (vectorizable_store): Likewise.
13041         (vectorizable_load): Likewise.
13042
13043 2016-01-12  Richard Biener  <rguenther@suse.de>
13044
13045         PR tree-optimization/69174
13046         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
13047         space.
13048         (vectorizable_load): Properly compute the number of loads needed
13049         for permuted strided SLP loads and do not spuriously assign
13050         to SLP_TREE_VEC_STMTS.
13051
13052 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
13053
13054         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
13055         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
13056         (MD_EXEC_PREFIX): Remove.
13057         (MD_STARTFILE_PREFIX) Removee.
13058         (FILE_NAME_ABSOLUTE_P): Remove.
13059         (CPP_SPEC): Do not read macros from sys/version.h.
13060         (LINK_COMMAND_SPEC): Remove.
13061         (LOCAL_INCLUDE_DIR): Remove.
13062         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
13063         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
13064         (POST_LINK_SPEC): Define to invoke stubify after linker
13065         (LIBSTDCXX): Remove define
13066         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
13067         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
13068         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
13069         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
13070         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
13071         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
13072         (i386_djgpp_asm_named_section): Add propotype of new procedure
13073
13074         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
13075         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
13076         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
13077         in config/i386/djgpp.h).
13078         (STANDARD_STARTFILE_PREFIX_2): Define identical to
13079         STANDARD_STARTFILE_PREFIX_1.
13080         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
13081         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
13082         installation errors.
13083         (MAX_OFILE_ALIGNMENT): Define to 128.
13084         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
13085
13086         * config/i386/djgpp.c: New file. Add implementation of
13087         i386_djgpp_asm_named_section.
13088
13089         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
13090
13091         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
13092         Add rule for building djgpp.o.
13093
13094 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13095
13096         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
13097         (rtx_is_swappable_p): Reductions are swappable.
13098         (insn_is_swappable_p): V2DF reductions are swappable.
13099
13100 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
13101
13102         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
13103         reloads for other unsupported memory operands.
13104
13105 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
13106             Jim Wilson  <jim.wilson@linaro.org>
13107
13108         PR target/69194
13109         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
13110         copy_to_mode_reg instead of force_reg.
13111
13112 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13113
13114         PR target/69225
13115         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
13116         TARGET_80387 is true.
13117
13118 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
13119
13120         PR target/69071
13121         * lra-eliminations.c (move_plus_up): Only move plus up
13122         if subreg of the constant can be simplified into constant
13123         and use the simplified subreg of the constant instead of
13124         the original constant.
13125
13126         * fold-const.c (fold_convertible_p): Don't return true
13127         for conversion of VECTOR_TYPE to same sized integral type.
13128         (fold_convert_loc): Fix up formatting.  Fold conversion of
13129         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
13130         instead of NOP_EXPR.
13131
13132         PR tree-optimization/69214
13133         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
13134         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
13135         Formatting fix.
13136
13137         PR tree-optimization/69207
13138         * tree-vect-slp.c (vect_get_constant_vectors): For
13139         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
13140         fold_convertible_p to vector_type's element type, and always
13141         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
13142
13143 2016-01-11  Richard Biener  <rguenther@suse.de>
13144
13145         PR tree-optimization/69173
13146         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
13147         fixup the cycle if all stmts are in a pattern.
13148
13149 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
13150
13151         PR middle-end/68999
13152         * alias.c (base_alias_check): Move check for addresses with
13153         alignment ANDs before the call for compare_base_decls.
13154         (memrefs_conflict_p): Return -1 for different decls
13155         that went through alignment adjustments.
13156
13157 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13158
13159         PR rtl-optimization/68796
13160         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
13161         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
13162         and QImode comparisons against zero with CC_NZmode.
13163         * config/aarch64/iterators.md (short_mask): New mode_attr.
13164
13165 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
13166
13167         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
13168         (<avx512>_store<mode>_mask): Likewise.
13169
13170 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
13171             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13172
13173         PR rtl-optimization/68841
13174         * ifcvt.c (struct noce_if_info): Add orig_x field.
13175         (bbs_ok_for_cmove_arith): Add to_rename parameter.
13176         Don't record conflicts on to_rename if it's present.
13177         Allow memory destinations in sets.
13178         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
13179         blocks, passing orig_x to the checks.
13180         (noce_process_if_block): Set if_info->orig_x appropriately.
13181
13182 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13183
13184         PR tree-optimization/69069
13185         * tree-parloops.c (create_parallel_loop): Add missing phi args.
13186
13187 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
13188
13189         PR rtl-optimization/68920
13190         * config/i386/i386.c (ix86_option_override_internal): Restrict number
13191         of conditional moves for  RTL if-conversion to 1 for
13192         TARGET_ONE_IF_CONV_INSN.
13193         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
13194         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
13195         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
13196         parameter to restirct number of conditional moves for
13197         RTL if-conversion.
13198         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
13199         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
13200         conditionl moves.
13201
13202 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
13203
13204         PR bootstrap/69123
13205         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
13206         onepart vars.  Fix typo in comment.  Fix reversed condition in
13207         unshare test.
13208         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
13209
13210         PR bootstrap/69123
13211         * var-tracking.c (dump_onepart_variable_differences): New.
13212         (dataflow_set_different): If a detailed dump is requested,
13213         delay early returns and dump differences between onepart
13214         variables present before and after, and added variables.
13215
13216 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
13217
13218         PR target/69010
13219         * expr.c (expand_expr_real_1): For boolean vector constants
13220         with a scalar mode use const_scalar_mask_from_tree.
13221         (const_scalar_mask_from_tree): New.
13222         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
13223         assigned to a mask type to handle constants.
13224
13225 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13226
13227         PR ipa/69044
13228         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
13229         useless parameters if we cannot change function signature.
13230
13231 2016-01-11  Martin Jambor  <mjambor@suse.cz>
13232
13233         PR ipa/66616
13234         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
13235         flag.
13236
13237 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13238
13239         PR tree-optimization/69109
13240         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
13241         latch with phi.
13242
13243 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13244
13245         PR tree-optimization/69108
13246         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
13247         res is not used in a phi.
13248
13249 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
13250
13251         PR 67425
13252         * common.opt (frandom-seed): Fix parameter name.
13253         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
13254
13255 2016-01-11  Tom de Vries  <tom@codesourcery.com>
13256
13257         PR tree-optimization/69058
13258         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
13259         not supported.
13260
13261 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
13262
13263         * config/arc/arc.opt (mdiv-rem): Add period to the end.
13264         (mcode-density): Likewise.
13265
13266 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13267
13268         PR tree-optimization/69062
13269         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
13270         (parallelize_loops): Don't paralelize loop that has phi with address
13271         arg.
13272
13273 2016-01-10  Tom de Vries  <tom@codesourcery.com>
13274
13275         PR tree-optimization/69039
13276         * tree-parloops.c (try_create_reduction_list): Only allow single exit
13277         phi for reduction.
13278
13279 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
13280
13281         PR middle-end/68743
13282         * match.pd: Require target has function_c99_misc before doing
13283         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
13284
13285 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
13286
13287         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
13288         use GMPINC.
13289         * configure: Regenerate.
13290
13291 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
13292
13293         PR middle-end/50865
13294         PR tree-optimization/69097
13295         * fold-const.h (expr_not_equal_to): New prototype.
13296         * fold-const.c: Include stringpool.h and tree-ssanames.h.
13297         (expr_not_equal_to): New function.
13298         * match.pd (X % -Y is the same as X % Y): Don't optimize
13299         unless X is known not to be equal to minimum or Y is known
13300         not to be equal to -1.
13301         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
13302         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
13303         (simplify_stmt_using_ranges): Adjust caller.
13304         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
13305         substitute_and_fold.
13306
13307 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
13308
13309         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
13310         w/o DECL_NAME.
13311
13312 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13313
13314         PR tree-optimization/69167
13315         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
13316         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
13317         ops[0] comparison.
13318         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
13319
13320 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13321             Richard Biener  <rguenther@suse.de>
13322
13323         PR tree-optimization/68707
13324         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
13325         instances that can be handled via vect_load_lanes.
13326
13327 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
13328
13329         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
13330         if we can't determine address equivalence.
13331         * alias.c (compare_base_decl): Update for changed return value of
13332         symtab_node::equal_address_to.
13333
13334 2016-01-08  Jason Merrill  <jason@redhat.com>
13335
13336         PR c++/68983
13337         PR c++/67557
13338         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
13339         * expr.c (store_field): Not here.
13340         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
13341         call with TREE_ADDRESSABLE type.
13342         * tree-cfg.c (verify_gimple_call): Adjust.
13343
13344 2016-01-08  Olivier Hainque  <hainque@adacore.com>
13345
13346         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
13347         libc_internal.
13348
13349 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
13350
13351         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
13352         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
13353         (reduc_smin_v2sf): Rename to...
13354         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
13355         (reduc_splus_v2sf): Rename to...
13356         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
13357
13358 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13359
13360         PR tree-optimization/69162
13361         * gimplify.c (gimplify_va_arg_expr): Encode original type of
13362         valist argument in another argument.
13363         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
13364         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
13365         to determine the va_list type, build a MEM_REF instead of
13366         build_fold_indirect_ref.
13367
13368         PR tree-optimization/69172
13369         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
13370         gimple_build.
13371
13372 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13373
13374         PR tree-optimization/67781
13375         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
13376         and cmpnop in two steps: first the ones not accessed in original
13377         gimple expression in a endian independent way and then the ones not
13378         accessed in the final result in an endian-specific way.
13379
13380 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
13381
13382         PR tree-optimization/69083
13383         * tree-vect-slp.c (vect_get_constant_vectors): For
13384         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
13385         element type.  If op is fold_convertible_p to vector_type's element
13386         type, use NOP_EXPR instead of VCE.
13387
13388 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
13389
13390         PR rtl-optimization/67778
13391         PR rtl-optimization/68634
13392         PR rtl-optimization/68909
13393         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
13394         block from the stack until done with it.  Remove a superfluous
13395         bitmap set.  Remove a superfluous bitmap test.
13396
13397 2016-01-07  Martin Sebor  <msebor@redhat.com>
13398
13399         PR c/68966
13400         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
13401         constraint on the type of arguments.
13402
13403 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
13404
13405         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
13406         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
13407         unaligned_access on the gcc_options set.
13408         * config/arm/arm.c (arm_option_override_internal): Use
13409         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
13410
13411 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13412
13413         PR target/69140
13414         * config/i386/i386.c (ix86_frame_pointer_required): Enable
13415         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
13416
13417 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
13418
13419         Revert
13420         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13421
13422         PR target/69140
13423         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13424         depending on frame_pointer_needed before remaining integer and SSE
13425         registers are saved.
13426
13427 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
13428
13429         PR 1078
13430         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
13431
13432 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
13433
13434         PR target/69171
13435         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
13436         Use the "xBm" constraint.
13437         (float<sseintvecmodelower><mode>2<mask_name><round_name):
13438         Likewise.
13439         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
13440         (sse_cvtsi2ssq<round_name>): Likewise.
13441         (sse_cvtss2si<round_name>): Likewise.
13442         (sse_cvtss2siq<round_name>): Likewise.
13443         (sse2_cvtsi2sdq<round_name>): Likewise.
13444         (sse2_cvtsd2si<round_name>): Likewise.
13445         (sse2_cvtsd2siq<round_name>): Likewise.
13446         * config/i386/subst.md (round_nimm_scalar_predicate): New
13447         predicate.
13448
13449 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
13450
13451         PR middle-end/67639
13452         * varasm.c (make_decl_rtl): Mark invalid register vars as
13453         DECL_EXTERNAL.
13454
13455         PR rtl-optimization/66206
13456         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
13457         All callers changed.
13458
13459 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
13460
13461         PR tree-optimization/69141
13462         * tree-ssa-pre.c: Include langhooks.h.
13463         (eliminate_dom_walker::before_dom_children): Use
13464         lang_hooks.decl_printable_name instead of
13465         cgraph_node::get ()->name ().
13466
13467         PR middle-end/68960
13468         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
13469         it and DECL_ALIGN too.
13470
13471 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
13472
13473         * config/mips/mips-ftypes.def: Sort to lexicographical order.
13474
13475 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
13476
13477         PR target/69140
13478         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
13479         depending on frame_pointer_needed before remaining integer and SSE
13480         registers are saved.
13481
13482 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13483
13484         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
13485         mode iterator with VSX_M2.
13486         (*p9_vecstore_<mode>): Likewise.
13487         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
13488         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
13489         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
13490         (define_split for VSX_LE128 stores): Likewise.
13491         (define_peephole2 for TImode LE swaps): Likewise.
13492         (define_split for VSX_LE128 post-reload stores): Likewise.
13493
13494 2016-01-06  Marek Polacek  <polacek@redhat.com>
13495
13496         PR sanitizer/69099
13497         * convert.c (convert_to_integer_1): Adjust call to
13498         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
13499         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
13500         EXPR instead of ARG.
13501         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
13502
13503 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13504
13505         PR 1078
13506         * doc/extend.texi (RL78 Variable Attributes): New section.
13507
13508 2016-01-05  Marek Polacek  <polacek@redhat.com>
13509
13510         PR c/69104
13511         * builtins.c (get_memmodel): Use expansion point location rather than
13512         the input location.  Call warning_at rather than warning.
13513         (expand_builtin_atomic_compare_exchange): Likewise.
13514         (expand_builtin_atomic_load): Likewise.
13515         (expand_builtin_atomic_store): Likewise.
13516         (expand_builtin_atomic_clear): Likewise.
13517
13518 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13519
13520         PR target/68991
13521         * config/i386/i386.c (ix86_expand_vector_logical_operator):
13522         Replace nonimmediate_operand with vector_operand.
13523         * config/i386/predicates.md (vector_operand): New predicate.
13524         (general_vector_operand): Replace nonimmediate_operand with
13525         vector_operand.
13526         * config/i386/sse.md: Replace nonimmediate_operand with
13527         vector_operand and m constraint with Bm constraint on SSE
13528         patterns with 16-byte memory operand.
13529         * config/i386/subst.md (round_nimm_predicate): Replace
13530         nonimmediate_operand with vector_operand.
13531         (round_saeonly_nimm_predicate): Likewise.
13532         (round_saeonly_nimm_scalar_predicate): New.
13533
13534 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
13535
13536         PR target/68991
13537         * config/i386/constraints.md (Bm): New constraint.
13538         * config/i386/predicates.md (vector_memory_operand): New
13539         predicate.
13540         * config/i386/sse.md: Replace xm with xBm in plusminus and
13541         any_logic patterns.
13542
13543 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13544
13545         PR 1078
13546         * doc/extend.texi (V850 Function Attributes): New section.
13547         (V850 Variable Attributes): New section.
13548
13549 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
13550
13551         PR 1078
13552         * doc/extend.texi (MicroBlaze Function Attributes): Document
13553         interrupt_handler and fast_interrupt attributes.
13554
13555 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
13556
13557         PR other/60465
13558         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
13559         for local symbolic operands.
13560         * config/ia64/predicates.md (local_symbolic_operand64): New
13561         predicate.
13562
13563 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13564
13565         PR rtl-optimization/68651
13566         * combine.c (combine_simplify_rtx): Canonicalize x + x into
13567         x << 1.
13568
13569 2016-01-05  Nathan Sidwell  <nathan@acm.org>
13570
13571         * alias.c (compare_base_decls): Use symtab_node::get.
13572
13573 2016-01-05  Nick Clifton  <nickc@redhat.com>
13574
13575         PR target/68770
13576         * ira-costs.c (copy_cost): Initialise the t_icode field of the
13577         secondary_reload_info structure.
13578
13579         PR target/66655
13580         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
13581         decls if weak support is available.
13582
13583 2016-01-04  Martin Sebor  <msebor@redhat.com>
13584
13585         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
13586
13587 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
13588
13589         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
13590         OPTION_MASK_P9_DFORM.
13591
13592         * config/rs6000/constraints.md (wo constraint): New constraint for
13593         ISA 3.0 (power9).
13594
13595         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
13596         for wo constraint.
13597         (rs6000_init_hard_regno_mode_ok): Likewise.
13598
13599         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
13600         wo constraint.
13601
13602         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
13603         expanders not to have constraints.  Add support for ISA 3.0 xxperm
13604         instruction.  Add support for fusing xxlor with xxperm.
13605         (altivec_vperm_<mode>_internal): Likewise.
13606         (altivec_vperm_v8hiv16qi): Likewise.
13607         (altivec_vperm_<mode>v16q): Likewise.
13608         (altivec_vperm_<mode>_uns): Likewise.
13609         (vperm_v8hiv4si): Likewise.
13610         (vperm_v16qiv8hi): Likewise.
13611
13612         * doc/md.texi (RS/6000 constraints): Document wo constraint.
13613
13614 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
13615
13616         Update copyright years.
13617
13618         * gcc.c (process_command): Update copyright notice dates.
13619         * gcov-dump.c (print_version): Ditto.
13620         * gcov.c (print_version): Ditto.
13621         * gcov-tool.c (print_version): Ditto.
13622         * gengtype.c (create_file): Ditto.
13623         * doc/cpp.texi: Bump @copying's copyright year.
13624         * doc/cppinternals.texi: Ditto.
13625         * doc/gcc.texi: Ditto.
13626         * doc/gccint.texi: Ditto.
13627         * doc/gcov.texi: Ditto.
13628         * doc/install.texi: Ditto.
13629         * doc/invoke.texi: Ditto.
13630
13631 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13632
13633         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
13634         modes larger than TImode as TImode if NEON is not enabled.
13635
13636 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13637
13638         PR target/69100
13639         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
13640         mode for %f0-%f31 only if TARGET_FPU.
13641
13642 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
13643
13644         PR target/69072
13645         * config/sparc/sparc.c (scan_record_type): Take into account subfields
13646         to compute the PACKED_P predicate.
13647         (function_arg_record_value): Minor tweaks.
13648
13649 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13650
13651         * doc/install.texi (--with-multilib-list): Describe the meaning of the
13652         option for arm*-*-* targets.
13653
13654 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
13655
13656         * doc/extend.texi (Common Function Attributes): Move docs for
13657         MSP430-specific attributes to....
13658         (MSP430 Function Attributes): ...here.  Delete the redundant
13659         entries and copy-edit the remaining text.
13660         (MSP430 Variable Attributes): Use uniform format for index
13661         entries and add a cross-reference to the corresponding function
13662         attribute docs.
13663
13664 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
13665
13666         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
13667         -finite-math typo.
13668         (x86 Options): Likewise.
13669
13670 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13671
13672         PR 1078
13673
13674         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
13675         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
13676         to corresponding attribute.
13677
13678 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
13679
13680         * doc/extend.texi (Common Function Attributes) <noplt>: Move
13681         to correct alphabetization of table.  Copy-edit and correct
13682         markup.
13683         <stack_protect>: Likewise.
13684         <target_clones>: Likewise.
13685         <simd>: Likewise.
13686         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
13687         Correct punctuation.
13688         (Code Gen Options) <-fno-plt>: Copy-edit.
13689
13690 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13691
13692         PR target/68917
13693         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
13694         SI values.  Explicitly convert SI to DI and vice-versa.
13695
13696 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
13697
13698         PR tree-optimization/69070
13699         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
13700         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
13701
13702         PR sanitizer/69055
13703         * ubsan.c (ubsan_instrument_float_cast): Call
13704         initialize_sanitizer_builtins.
13705
13706         PR target/69015
13707         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
13708 \f
13709 Copyright (C) 2016 Free Software Foundation, Inc.
13710
13711 Copying and distribution of this file, with or without modification,
13712 are permitted in any medium without royalty provided the copyright
13713 notice and this notice are preserved.