gcc/ChangeLog

   1 2016-06-23  Martin Liska  <mliska@suse.cz>
   2
   3         PR middle-end/71619
   4         * predict.c (predict_loops): Revert the hunk that was removed
   5         in r237103.
   6
   7 2016-06-23  Jakub Sejdak  <jakub.sejdak@phoesys.com>
   8
   9         * config.gcc: Add support for arm*-*-phoenix* targets.
  10         * config/arm/t-phoenix: New.
  11         * config/phoenix.h: New.
  12
  13 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
  14             H.J. Lu  <hongjiu.lu@intel.com>
  15
  16         PR target/67400
  17         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
  18         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
  19         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
  20         ix86_force_load_from_GOT_p returns true.
  21         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
  22         ix86_force_load_from_GOT_p returns true.
  23         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
  24         ix86_force_load_from_GOT_p returns true.
  25         (ix86_expand_move): Load the external function address via the
  26         GOT slot if ix86_force_load_from_GOT_p returns true.
  27         * config/i386/predicates.md (x86_64_immediate_operand): Return
  28         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
  29         (x86_64_zext_immediate_operand): Ditto.
  30
  31 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
  32
  33         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
  34
  35 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
  36
  37         PR c/70339
  38         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
  39         * diagnostic.c (pedwarn_at_rich_loc): New function.
  40         * spellcheck.h (best_match::best_match): Add a
  41         "best_distance_so_far" optional parameter.
  42         (best_match::set_best_so_far): New method.
  43         (best_match::get_best_distance): New accessor.
  44         (best_match::get_best_candidate_length): New accessor.
  45
  46 2016-06-22  Nick Clifton  <nickc@redhat.com>
  47
  48         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
  49         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
  50         modes are accepted as well.
  51         (ucompare_loc_descriptor): Likewise.
  52         (minmax_loc_descriptor): Likewise.
  53         (clz_loc_descriptor): Likewise.
  54         (popcount_loc_descriptor): Likewise.
  55         (bswap_loc_descriptor): Likewise.
  56         (rotate_loc_descriptor): Likewise.
  57         (mem_loc_descriptor): Likewise.
  58         (loc_descriptor): Likewise.
  59
  60 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
  61
  62         * common.opt (fdiagnostics-parseable-fixits): New option.
  63         * diagnostic.c: Include "selftest.h".
  64         (print_escaped_string): New function.
  65         (print_parseable_fixits): New function.
  66         (diagnostic_report_diagnostic): Call print_parseable_fixits.
  67         (selftest::assert_print_escaped_string): New function.
  68         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
  69         (selftest::test_print_escaped_string): New function.
  70         (selftest::test_print_parseable_fixits_none): New function.
  71         (selftest::test_print_parseable_fixits_insert): New function.
  72         (selftest::test_print_parseable_fixits_remove): New function.
  73         (selftest::test_print_parseable_fixits_replace): New function.
  74         (selftest::diagnostic_c_tests): New function.
  75         * diagnostic.h (struct diagnostic_context): Add field
  76         "parseable_fixits_p".
  77         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
  78         -fdiagnostics-parseable-fixits.
  79         (-fdiagnostics-parseable-fixits): New option.
  80         * opts.c (common_handle_option): Handle
  81         -fdiagnostics-parseable-fixits.
  82         * selftest-run-tests.c (selftest::run_tests): Call
  83         selftest::diagnostic_c_tests.
  84         * selftest.h (selftest::diagnostic_c_tests): New prototype.
  85
  86 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
  87
  88         PR middle-end/71488
  89         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
  90         comparison of boolean vectors.
  91         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
  92         of boolean vectors using bitwise operations.
  93
  94 2016-06-22  Andreas Schwab  <schwab@suse.de>
  95
  96         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
  97         Remove declaration.
  98
  99 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
 100
 101         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
 102
 103 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 104
 105         * config/i386/i386.c (print_reg): Emit an error message on attempt to
 106         print FLAGS_REG.
 107
 108 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 109
 110         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
 111         * config/arm/arm-cores.def (cortex-a73): New entry.
 112         (cortex-a73.cortex-a35): Likewise.
 113         (cortex-a73.cortex-a53): Likewise.
 114         * config/arm/arm-tables.opt: Regenerate.
 115         * config/arm/arm-tune.md: Likewise.
 116         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
 117         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 118         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
 119         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 120         * doc/invoke.texi (ARM Options): Document cortex-a73,
 121         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
 122
 123 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 124
 125         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
 126         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
 127         (cortex-a73.cortex-a35): Likewise.
 128         (cortex-a73.cortex-a53): Likewise.
 129         * config/aarch64/aarch64-tune.md: Regenerate.
 130         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
 131         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
 132         -mcpu and -mtune.
 133
 134 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 135
 136         * configure.ac (gcc_cv_as_compress_debug): Remove
 137         --compress-debug-sections as extra as switch.
 138         Handle gas --compress-debug-sections=type.
 139         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
 140         Handle gld --compress-debug-sections=type.
 141         * configure: Regenerate.
 142
 143 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
 144
 145         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
 146
 147 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
 148
 149         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
 150         (do_rewrite): likewise.
 151
 152 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 153
 154         * common/config/mep/mep-common.c: Remove.
 155         * config.gcc: Remove mep-* support.
 156         * config/mep/constraints.md: Remove.
 157         * config/mep/default.h: Remove.
 158         * config/mep/intrinsics.h: Remove.
 159         * config/mep/intrinsics.md: Remove.
 160         * config/mep/ivc2-template.h: Remove.
 161         * config/mep/mep-c5.cpu: Remove.
 162         * config/mep/mep-core.cpu: Remove.
 163         * config/mep/mep-default.cpu: Remove.
 164         * config/mep/mep-ext-cop.cpu: Remove.
 165         * config/mep/mep-intrin.h: Remove.
 166         * config/mep/mep-ivc2.cpu: Remove.
 167         * config/mep/mep-pragma.c: Remove.
 168         * config/mep/mep-protos.h: Remove.
 169         * config/mep/mep.c: Remove.
 170         * config/mep/mep.cpu: Remove.
 171         * config/mep/mep.h: Remove.
 172         * config/mep/mep.md: Remove.
 173         * config/mep/mep.opt: Remove.
 174         * config/mep/predicates.md: Remove.
 175         * config/mep/t-mep: Remove.
 176         * doc/install.texi: Remove mep-* documentation.
 177         * doc/md.texi: Likewise.
 178
 179 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 180
 181         * config.gcc: Remove support for avr-rtems.
 182         * config/avr/gen-avr-mmcu-specs.c: Likewise.
 183         * config/avr/rtems.h: Remove.
 184         * config/avr/t-rtems: Remove.
 185
 186 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 187
 188         * config.gcc: Remove m32r-rtems support.
 189         * config/m32r/rtems.h: Remove.
 190
 191 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 192
 193         * config.gcc: Remove h8300-rtems support.
 194         * config/h8300/rtems.h: Remove.
 195         * config/h8300/t-rtems: Remove.
 196
 197 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 198
 199         * config.gcc: Remove support for knetbsd.
 200         * configure.ac: Likewise.
 201         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
 202         * config/knetbsd-gnu.h: Remove.
 203         * configure: Regenerate.
 204
 205 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 206
 207         * config.gcc: Remove support for openbsd 2 and 3.
 208         * config/openbsd-oldgas.h: Remove.
 209
 210 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 211
 212         * config.gcc: Remove interix support.
 213         * config/i386/i386-interix.h: Remove.
 214         * config/i386/interix.opt: Remove.
 215         * config/i386/t-interix: Remove.
 216         * configure: Regenerate.
 217         * configure.ac: Remove interix support.
 218         * doc/install.texi: Remove interix documentation.
 219
 220 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 221
 222         * config/rs6000/rs6000.h: Add conditional preprocessing directives
 223         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
 224         not defined.
 225
 226 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 227
 228         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
 229         they are both PLACEHOLDER_EXPRs.
 230
 231 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 232
 233         * stor-layout.c (layout_type): Move setting complex MODE to
 234         layout_type, instead of setting it ahead of time by the caller.
 235         * tree.c (build_complex_type): Likewise.
 236
 237 2016-06-21  Martin Liska  <mliska@suse.cz>
 238
 239         * predict.c (force_edge_cold): Replace imposisble with
 240         impossible.
 241
 242 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 243
 244         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
 245         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
 246
 247 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 248
 249         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
 250
 251 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
 252             Ilya Enkovich  <ilya.enkovich@intel.com>
 253
 254         PR target/71549
 255         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
 256         New member function to convert V1TImode register to SUBREG
 257         TImode in debug insn.
 258         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
 259         after changing register mode to V1TImode.
 260
 261 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
 262
 263         * config/aarch64/aarch64-cores.def (vulcan): New core.
 264         * config/aarch64/aarch64-tune.md: Regenerate.
 265         * doc/invoke.texi: Document vulcan as an available option.
 266
 267 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 268
 269         * cse.c (canon_asm_operands): New function extracted from...
 270         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
 271         either standalone or member of a PARALLEL.
 272
 273 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 274
 275         PR target/30417
 276         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
 277         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
 278         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
 279
 280 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 281
 282         PR target/71103
 283         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
 284         constant addresses if can_create_pseudo_p.
 285
 286 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
 287
 288         PR tree-optimization/71588
 289         * tree-ssa-strlen.c (valid_builtin_call): New function.
 290         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
 291         it.
 292
 293 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 294
 295         PR middle-end/71581
 296         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
 297         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
 298         for conversion of scalar user var to complex type and use the
 299         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
 300         punt.
 301
 302         PR rtl-optimization/71591
 303         * toplev.c (toplev::run_self_tests): If no_backend, complain and
 304         don't run any tests.
 305
 306 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 307
 308         PR target/71571
 309         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
 310         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
 311         space for PIC with non-v32 and the common non-PIC "jump".
 312
 313 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 314
 315         PR target/71559
 316         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
 317         returned values and add UN*/LTGT/*ORDERED cases with values matching
 318         D operand modifier on vcmp for AVX.
 319
 320 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 321
 322         * config/aarch64/aarch64.opt
 323         (mpc-relative-literal-loads): Rename internal option name.
 324         * config/aarch64/aarch64.c
 325         (aarch64_nopcrelative_literal_loads): Rename to
 326         aarch64_pcrelative_literal_loads.
 327         (aarch64_expand_mov_immediate): Likewise.
 328         (aarch64_secondary_reload): Likewise.
 329         (aarch64_can_use_per_function_literal_pools_p): Likewise.
 330         (aarch64_override_options_after_change_1): Rename and simplify logic.
 331         (aarch64_classify_symbol): Merge large model checks into switch,
 332         remove pc-relative load check.
 333
 334 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 335
 336         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
 337         costs relative to the cost of a register move.
 338
 339 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 340
 341         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 342         (vcvt_n_f64_u64): Likewise.
 343         (vcvt_n_s64_f64): Likewise.
 344         (vcvt_n_u64_f64): Likewise.
 345         (vcvt_f64_s64): Likewise.
 346         (vrecpe_f64): Likewise.
 347         (vcvt_f64_u64): Likewise.
 348         (vrecps_f64): Likewise.
 349
 350 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 351
 352         * config/aarch64/aarch64.md
 353         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
 354         iterators.
 355         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
 356         attributes.
 357         * config/aarch64/aarch64-builtins.c
 358         (aarch64_types_binop_uss_qualifiers): Delete.
 359         (TYPES_BINOP_USS): Likewise.
 360         (aarch64_types_binop_sus_qualifiers): Likewise.
 361         (TYPES_BINOP_SUS): Likewise.
 362         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
 363         (TYPES_FCVTIMM_SUS): Likewise.
 364         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
 365         rather than BINOP.
 366         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
 367         (fcvtzs): Use SHIFTIMM rather than BINOP.
 368         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
 369
 370 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 371
 372         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
 373         costs relative to the cost of a register move.
 374
 375 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 376
 377         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
 378         Allow scalar/single vector modes to be tieable.
 379
 380 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 381
 382         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
 383
 384 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 385
 386         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
 387         "alignement".
 388         * tree.h (TYPE_ALIGN): Likewise.
 389
 390 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 391
 392         PR target/71103
 393         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
 394
 395 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 396
 397         * config/avr/avr.c (avr_print_operand): Fix "format not a string
 398         literal" build warnings.
 399         (avr_print_operand_address): Dito.
 400
 401 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
 402
 403         PR target/71375
 404         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
 405         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
 406
 407 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
 408
 409         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
 410
 411 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 412
 413         PR bootstrap/71435
 414         * reload1.c (reload): Pass 0 to finish_spills when called because
 415         update_eliminables_and_spill returns true and remove did_spill.
 416         (finish_spills): Adjust comment and document GLOBAL parameter.
 417
 418 2016-06-17  DJ Delorie  <dj@redhat.com>
 419
 420         PR target/71338
 421         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
 422         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
 423         (umulqihi3_virt): Likewise.
 424         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
 425         (umulqihi3_real): Likewise.
 426
 427 2016-06-17  Martin Liska  <mliska@suse.cz>
 428
 429         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
 430
 431 2016-06-17  Martin Liska  <mliska@suse.cz>
 432
 433         * predict.def: PRED_LOOP_EXIT from 92 to 85.
 434
 435 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
 436
 437         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
 438         __FAST_MATH__.
 439         (vaddq_f32): Likewise.
 440         (vmul_f32): Likewise.
 441         (vmulq_f32): Likewise.
 442         (vsub_f32): Likewise.
 443         (vsubq_f32): Likewise.
 444
 445 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 446
 447         PR tree-optimization/71347
 448         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
 449         cost for all uses in group.
 450
 451 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
 452
 453         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
 454         insert gimple seq if it's not empty.
 455
 456 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 457
 458         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
 459         member OFFSET.
 460         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
 461         rather than OFFSET.
 462         (comp_dr_with_seg_len_pair): Ditto.
 463         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
 464         struct dr_with_seg_len_pair against DR_OFFSET.
 465         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
 466         DR_OFFSET directly.
 467
 468 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 469
 470         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
 471
 472 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
 473
 474         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
 475         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
 476         (pa_output_millicode_call): Likewise.
 477         (pa_output_call): Likewise.
 478         (pa_output_indirect_call): Likewise.
 479         (pa_asm_output_mi_thunk): Likewise.
 480
 481 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 482
 483         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
 484
 485 2016-06-16  Martin Liska  <mliska@suse.cz>
 486
 487         * predict.c (combine_predictions_for_insn): When we find a first
 488         match predictor, we should consider just predictors with
 489         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
 490         DS theory predictor.
 491         (combine_predictions_for_bb): Likewise.
 492
 493 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 494
 495         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
 496         with base of reference to struct.
 497
 498 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 499
 500         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
 501
 502 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 503
 504         PR target/71151
 505         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
 506         progmem_swtable_section.
 507         (progmem_swtable_section): Remove.
 508         (avr_asm_function_rodata_section): Remove.
 509         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 510         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
 511
 512 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
 513
 514         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 515         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
 516         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
 517         signature_CENTAUR_ebx.
 518         * config/i386/i386.c (ix86_option_override_internal): Add
 519         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
 520         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
 521         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
 522
 523 2016-06-16  Martin Liska  <mliska@suse.cz>
 524
 525         * predict.def: Add fortran loop preheader predictor.
 526         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
 527         fold IFN_BUILTIN_EXPECT with a known constant argument.
 528
 529 2016-06-16  Martin Liska  <mliska@suse.cz>
 530
 531         * predict.def: Add 'Fortran' to display text of all
 532         PRED_FORTRAN_* predictors.
 533
 534 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 535
 536         PR target/71242
 537         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
 538         [IA64_BUILTIN_NANSQ]: Ditto.
 539         (ia64_fold_builtin): New function.
 540         (TARGET_FOLD_BUILTIN): New define.
 541         (ia64_init_builtins) Declare const_string_type node.
 542         Add __builtin_nanq and __builtin_nansq builtin functions.
 543         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
 544
 545 2016-06-16  Nick Clifton  <nickc@redhat.com>
 546
 547         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
 548         MSP430_HWMULT_ prefix to enum values.
 549         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
 550         * config/msp430/msp430.c: Update use of enum values.
 551         * config/msp430/msp430.md: Likewise.
 552         * config/msp430/msp430.opt: Likewise.
 553
 554 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
 555
 556         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
 557         of comparsions in the last iteration.
 558
 559 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 560             Joern Rennecke  <joern.rennecke@embecosm.com>
 561
 562         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
 563         addresses.
 564         (arc_needs_pcl_p): Add GOTOFFPC.
 565         (arc_legitimate_pic_addr_p): Likewise.
 566         (arc_output_pic_addr_const): Likewise.
 567         (arc_legitimize_pic_address): Generate a pc-relative address using
 568         GOTOFFPC.
 569         (arc_output_libcall): Use @pcl syntax.
 570         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
 571         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
 572         (*movsi_insn): Use @pcl syntax.
 573         (doloop_begin_i): Likewise.
 574
 575 2016-06-16  Martin Liska  <mliska@suse.cz>
 576
 577         * predict.def: Define a new predictor.
 578
 579 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 580
 581         * config/arc/arc.opt (mtp-regno): Update text.
 582
 583 2016-06-16  Renlin Li  <renlin.li@arm.com>
 584
 585         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
 586
 587 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 588
 589         PR target/71554
 590         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
 591         (setcc + and peephole2): Likewise.
 592
 593         PR rtl-optimization/71532
 594         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
 595         memory slots.
 596
 597 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 598
 599         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
 600         DImode constants with XXSPLTIB in vector registers.
 601         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
 602         vsx_extract_<mode>_internal{1,2} into a single insn that handles
 603         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
 604         extraction of the element at the top of the register as a scalar
 605         value.
 606         (vsx_extract_<mode>_internal1): Likewise.
 607         (vsx_extract_<mode>_internal2): Likewise.
 608         * config/rs6000/constraints.md (wi constraint): Remove a comment
 609         about DImode not being allowed in Altivec registers.
 610         (wB constraint): New constraint for constants that can be
 611         generated in Altivec registers with VSPLTISW/VUPKHSW.
 612         * config/rs6000/predicates.md (xxspltib_constant_split): Update
 613         comments.
 614         (xxspltib_constant_nosplit): Likewise.
 615         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
 616         support for -mupper-regs-di to enable DImode to go into Altivec
 617         registers.
 618         (POWERPC_MASKS): Likewise.
 619         (power7 cpu): Likewise.
 620         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
 621         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
 622         for DImode being allowed in Altivec registers.  Update wi/wj
 623         constraints.  Set scalar_in_vmx_p flag.
 624         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
 625         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
 626         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
 627         (rs6000_opt_masks): Add -mupper-regs-di.
 628         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
 629         direct move to use wi and not wj.
 630         (lfiwzx): Likewise.
 631         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
 632         alternative.
 633         (floatunssi<mode>2_lfiwzx_mem): Likewise.
 634         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
 635         any VSX register, instead of just Altivec registers, to allow
 636         either operand to be an Altivec register or both.
 637         (fixuns_trunc<mode>di2_fctiduz): Likewise.
 638         (movdi_internal32): Add support for -mupper-regs-di.  Add support
 639         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
 640         the alternatives and attributes to be lined up to be easier to
 641         read.
 642         (movdi_internal64): Likewise.
 643         (64-bit DImode splitters): Change predicates to only split loading
 644         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
 645         load constants in ISA 3.0 or ISA 2.07 respectively.
 646         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
 647         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
 648         mention -mcpu=power9 sets these options.
 649         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
 650         wB constraint.
 651
 652 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
 653
 654         PR target/67353
 655         * config/avr/avr.c (avr_set_current_function): Warn misspelled
 656         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
 657         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
 658         by default to warn misspelled interrupt/ signal handler.
 659         * doc/invoke.texi (AVR Options): Document it. Update description
 660         for -nodevicelib option.
 661
 662 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 663
 664         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
 665         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
 666         (aarch64_<sur>shll2_n<mode>): Likewise.
 667
 668 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
 669
 670         PR middle-end/71529
 671         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
 672         DECL_CONTEXT for copied arguments.
 673
 674 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 675
 676         PR tree-optimization/71483
 677         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
 678         for slp
 679
 680 2016-06-15  Martin Liska  <mliska@suse.cz>
 681
 682         * predict.c (tree_predict_by_opcode): Call predict_edge_def
 683         instead of predict_edge w/o a probability.
 684
 685 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 686
 687         PR tree-optimization/71439
 688         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
 689         live PHIs.
 690
 691 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 692
 693         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
 694         register subregs in SET_SRC.
 695
 696 2016-06-15  Richard Biener  <rguenther@suse.de>
 697
 698         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
 699         store restrictions.
 700
 701 2016-06-15  Richard Biener  <rguenther@suse.de>
 702
 703         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
 704         not consider dependences between accesses that belong to the
 705         same group.
 706         (vect_analyze_data_ref_dependences): Do not analyze read-read
 707         or self-dependences.
 708
 709 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 710
 711         * spellcheck-tree.c: Include spellcheck-tree.h rather than
 712         spellcheck.h.
 713         (find_closest_identifier): Reimplement in terms of
 714         best_match<tree,tree>.
 715         * spellcheck-tree.h: New file.
 716         * spellcheck.c (struct edit_distance_traits<const char *>): New
 717         struct.
 718         (find_closest_string): Reimplement in terms of
 719         best_match<const char *, const char *>.
 720         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
 721         overload to spellcheck-tree.h.
 722         (find_closest_identifier): Likewise.
 723         (struct edit_distance_traits<T>): New template.
 724         (class best_match): New class.
 725
 726 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 727
 728         * selftest-run-tests.c (selftest::run_tests): Call
 729         selftest::spellcheck_tree_c_tests.
 730         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
 731         * spellcheck-tree.c: Include selftest.h and stringpool.h.
 732         (selftest::test_find_closest_identifier): New function.
 733         (selftest::spellcheck_tree_c_tests): New function.
 734         * spellcheck.c (selftest::test_find_closest_string): Verify that
 735         the order of the vec does not affect the results for this case.
 736         (selftest::test_data): New array.
 737         (selftest::test_metric_conditions): New function.
 738         (selftest::spellcheck_c_tests): Add a test of case-comparison.
 739         Call selftest::test_metric_conditions.
 740
 741 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 742
 743         * config/rs6000/rs6000-builtin.def (commentary): Typo.
 744         (BU_P9_MISC_1): Likewise.
 745         (BU_P9_64BIT_MISC_0): Likewise.
 746         (BU_P9_MISC_0): Likewise.
 747
 748 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 749
 750         * gcc-rich-location.c
 751         (gcc_rich_location::add_fixit_misspelled_id): New method.
 752         * gcc-rich-location.h
 753         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
 754
 755 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
 756
 757         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
 758         FreeBSD 11 and above.
 759
 760 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
 761
 762         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
 763
 764 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 765
 766         * expmed.h: Close parenthesis in "at your option" in copyright
 767         boilerplate.
 768         * lower-subreg.h: Likewise.
 769
 770 2016-06-14  Richard Biener  <rguenther@suse.de>
 771
 772         PR middle-end/71526
 773         * genmatch.c (expr::gen_transform): Use in_type for comparisons
 774         if available.
 775
 776 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 777
 778         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
 779         New function.
 780         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
 781         mask+shift version.
 782         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
 783         New prototype.
 784         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
 785         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
 786
 787 2016-06-14  Richard Biener  <rguenther@suse.de>
 788
 789         PR tree-optimization/71522
 790         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
 791         copying into float copying.
 792
 793 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
 794
 795         PR tree-optimization/71520
 796         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
 797         (replace_block_by): Move user labels from bb1 to bb2.
 798
 799 2016-06-14  Richard Biener  <rguenther@suse.de>
 800
 801         PR middle-end/71310
 802         PR bootstrap/71510
 803         * expr.h (get_bit_range): Declare.
 804         * expr.c (get_bit_range): Export.
 805         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
 806         word_mode again to constrain the bitfield access.
 807
 808 2016-06-14  Richard Biener  <rguenther@suse.de>
 809
 810         PR tree-optimization/71521
 811         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
 812         division int_const_binop against zero divisor.
 813
 814 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 815
 816         * config/i386/i386.md (signbittf2): New expander.
 817         * config/i386/sse.md (ptesttf2): New insn pattern.
 818
 819 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 820
 821         PR bootstrap/71481
 822         * input.c (selftest::test_reading_source_line): Avoid reading from
 823         __FILE__ by creating a tempfile with known content and reading
 824         from that instead.
 825
 826 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 827
 828         * pretty-print.c (assert_pp_format_colored): Skip the test if
 829         GCC_COLORS is set.
 830         (test_pp_format): Remove comment about GCC_COLORS.
 831
 832 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 833
 834         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
 835         * pretty-print.c (assert_pp_format_va): Add location param and use
 836         it with ASSERT_STREQ_AT.
 837         (assert_pp_format): Add location param and pass it to
 838         assert_pp_format_va.
 839         (assert_pp_format_colored): Likewise.
 840         (ASSERT_PP_FORMAT_1): New.
 841         (ASSERT_PP_FORMAT_2): New.
 842         (ASSERT_PP_FORMAT_3): New.
 843         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
 844         explicitly, or implicitly via the above macros.
 845         * selftest.c (selftest::pass): Use a selftest::location rather
 846         than file and line.
 847         (selftest::fail): Likewise.  Print the function name.
 848         (selftest::fail_formatted): Likewise.
 849         (selftest::assert_streq): Use a selftest::location rather than
 850         file and line.
 851         * selftest.h (selftest::location): New struct.
 852         (SELFTEST_LOCATION): New macro.
 853         (selftest::pass): Accept a const location & rather than file
 854         and line.
 855         (selftest::fail): Likewise.
 856         (selftest::fail_formatted): Likewise.
 857         (selftest::assert_streq): Likewise.
 858         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
 859         (ASSERT_FALSE): Likewise.
 860         (ASSERT_EQ): Likewise.
 861         (ASSERT_NE): Likewise.
 862         (ASSERT_STREQ): Likewise.
 863         (ASSERT_PRED1): Likewise.
 864         (ASSERT_STREQ_AT): New macro.
 865
 866 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 867
 868         * selftest.c (selftest::fail_formatted): New function.
 869         (selftest::assert_streq): New function.
 870         * selftest.h (selftests::fail_formatted): New decl.
 871         (selftest::assert_streq): New decl.
 872         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
 873
 874 2016-06-13  Jeff Law  <law@redhat.com>
 875
 876         PR tree-optimization/71403
 877         * tree-ssa-threadbackward.c
 878         (convert_and_register_jump_thread_path): No longer accept reference
 879         to path.  Do not pop items off the path anymore.
 880         (fsm_find_control_statement_thread_paths): Do not allow threading
 881         to a deeper loop nest.  Pop the last item off the path here rather
 882         than in convert_and_register_jump_thread_path.
 883
 884 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 885             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
 886
 887         [AArch64] Emit division using the Newton series
 888
 889         * config/aarch64/aarch64-protos.h
 890         (cpu_approx_modes): Add new member "division".
 891         (aarch64_emit_approx_div): Declare new function.
 892         * config/aarch64/aarch64.c
 893         (generic_approx_modes): New member "division".
 894         (exynosm1_approx_modes): Likewise.
 895         (xgene1_approx_modes): Likewise.
 896         (aarch64_emit_approx_div): Define new function.
 897         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
 898         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
 899         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
 900         * doc/invoke.texi (-mlow-precision-div): Describe new option.
 901
 902 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 903             Wilco Dijkstra  <wilco.dijkstra@arm.com>
 904
 905         [AArch64] Emit square root using the Newton series
 906
 907         * config/aarch64/aarch64-protos.h
 908         (aarch64_emit_approx_rsqrt): Replace with new function
 909         "aarch64_emit_approx_sqrt".
 910         (cpu_approx_modes): New member "sqrt".
 911         * config/aarch64/aarch64.c
 912         (generic_approx_modes): New member "sqrt".
 913         (exynosm1_approx_modes): Likewise.
 914         (xgene1_approx_modes): Likewise.
 915         (aarch64_emit_approx_rsqrt): Replace with new function
 916         "aarch64_emit_approx_sqrt".
 917         (aarch64_override_options_after_change_1): Handle new option.
 918         * config/aarch64/aarch64-simd.md
 919         (rsqrt<mode>2): Use new function instead.
 920         (sqrt<mode>2): New expansion and insn definitions.
 921         * config/aarch64/aarch64.md: Likewise.
 922         * config/aarch64/aarch64.opt
 923         (mlow-precision-sqrt): Add new option description.
 924         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
 925
 926 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 927
 928         [AArch64] Add more choices for the reciprocal square root approximation
 929
 930         Allow a target to prefer such operation depending on the operation mode.
 931
 932         * config/aarch64/aarch64-protos.h
 933         (AARCH64_APPROX_MODE): New macro.
 934         (AARCH64_APPROX_{NONE,ALL}): Likewise.
 935         (cpu_approx_modes): New structure.
 936         (tune_params): New member "approx_modes".
 937         * config/aarch64/aarch64-tuning-flags.def
 938         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
 939         * config/aarch64/aarch64.c
 940         (generic_approx_modes): New core "cpu_approx_modes" structure.
 941         (exynosm1_approx_modes): Likewise.
 942         (xgene1_approx_modes): Likewise.
 943         (generic_tunings): New member "approx_modes".
 944         (cortexa35_tunings): Likewise.
 945         (cortexa53_tunings): Likewise.
 946         (cortexa57_tunings): Likewise.
 947         (cortexa72_tunings): Likewise.
 948         (exynosm1_tunings): Likewise.
 949         (thunderx_tunings): Likewise.
 950         (xgene1_tunings): Likewise.
 951         (use_rsqrt_p): New argument for the mode and use new member from
 952         "tune_params".
 953         (aarch64_builtin_reciprocal): Devise mode from builtin.
 954         (aarch64_optab_supported_p): New argument for the mode.
 955         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
 956
 957 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 958
 959         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
 960         RS6000_BTM_MODULO flag into the set of flags that are considered
 961         to be part of the common configuration.
 962
 963 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 964
 965         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
 966         difference unsigned.
 967         (vec_absdb): New macro for vector absolute difference unsigned
 968         byte.
 969         (vec_absdh): New macro for vector absolute difference unsigned
 970         half-word.
 971         (vec_absdw): New macro for vector absolute difference unsigned word.
 972         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
 973         (vadu<mode>3): New insn.
 974         (*p9_vadu<mode>3): New insn.
 975         * config/rs6000/rs6000-builtin.def (vadub): New built-in
 976         definition.
 977         (vaduh): New built-in definition.
 978         (vaduw): New built-in definition.
 979         (vadu): New overloaded built-in definition.
 980         (vadub): New overloaded built-in definition.
 981         (vaduh): New overloaded built-in definition.
 982         (vaduw): New overloaded built-in definition.
 983         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 984         overloaded vector absolute difference unsigned functions.
 985         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 986         the ISA 3.0 vector absolute difference unsigned built-in functions.
 987
 988 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
 989
 990         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
 991         update shared_lookup_references only once after changing operands.
 992
 993 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 994
 995         PR middle-end/71373
 996         * tree-nested.c (convert_nonlocal_omp_clauses)
 997         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
 998
 999         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
1000         * tree.def (CASE_LABEL_EXPR): Likewise.
1001
1002 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1003
1004         PR bootstrap/71481
1005         * input.c (test_builtins): Fix an assertion.
1006
1007 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1008
1009         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
1010         (paritysi2): Ditto.
1011         (isinfxf2): Ditto.
1012         (isinf<mode>2): Ditto.
1013
1014 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1015
1016         * ggc-tests.c (test_finalization): Only test need_finalization_p
1017         for GCC_VERSION >= 4003.
1018
1019 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1020
1021         * config/s390/vecintrin.h: Fix file description in comment.
1022
1023 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1024
1025         * config/s390/s390-builtin-types.def: Change builtin type naming
1026         scheme to match builtin-types.def.
1027
1028 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
1029
1030         * fold-const.c (optimize_minmax_comparison): Remove.
1031         (fold_comparison): Remove call to the above.
1032         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
1033         New transformations.
1034
1035 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
1036
1037         PR tree-optimization/71416
1038         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
1039         multiple entries
1040
1041 2016-06-13  Martin Liska  <mliska@suse.cz>
1042
1043         * predict.c (enum predictor_reason): Prefix enum with REASON_.
1044         (combine_predictions_for_insn): Likewise.
1045         (prune_predictions_for_bb): Likewise.
1046         (combine_predictions_for_bb): Likewise.
1047
1048 2016-06-13  Richard Biener  <rguenther@suse.de>
1049
1050         PR tree-optimization/71505
1051         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
1052         assert match comment.
1053
1054 2016-06-13  Marek Polacek  <polacek@redhat.com>
1055
1056         PR middle-end/71476
1057         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
1058         gimplify_switch_expr.
1059         (warn_switch_unreachable_r): New function.
1060
1061 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1062
1063         PR target/71379
1064         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
1065         one.
1066
1067 2016-06-13  Richard Biener  <rguenther@suse.de>
1068
1069         PR middle-end/64516
1070         * fold-const.c (fold_unary_loc): Preserve alignment when
1071         folding a VIEW_CONVERT_EXPR into a MEM_REF.
1072
1073 2016-06-13  Martin Liska  <mliska@suse.cz>
1074
1075         PR sanitizer/71458
1076         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
1077         w/ -fsanitize=bounds.
1078
1079 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1080
1081         * config/i386/i386.c (ix86_init_builtins): Calculate
1082         FLOAT128_FTYPE_CONST_STRING function type only once.
1083         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
1084         built-in functions are available for x86-32 and x86-64 targets.
1085
1086 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1087
1088         PR target/71241
1089         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
1090         New primitive type.
1091         (FLOAT128_FTYPE_CONST_STRING): New function type.
1092         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
1093         [IX86_BUILTIN_NANSQ]: Ditto.
1094         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1095         (ix86_init_builtin_types): Declare const_string_type_node.
1096         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
1097         builtin functions.
1098         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1099         * doc/extend.texi (x86 Built-in Functions): Document
1100         __builtin_nanq and __builtin_nansq.
1101
1102 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
1103
1104         PR target/71061
1105         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
1106         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
1107         length for pop patterns.
1108         (arm_attr_length_push_multi): Update comments.
1109         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
1110         attribute.
1111         (*pop_multiple_with_writeback_and_return): Likewise.
1112         (*pop_multiple_with_return): Likewise.
1113
1114 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
1115
1116         PR middle-end/71310
1117         * fold-const.c (optimize_bit_field_compare): Don't try to use
1118         word_mode unconditionally for reading the bit field, look at
1119         DECL_BIT_FIELD_REPRESENTATIVE instead.
1120
1121 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
1122
1123         PR middle-end/71478
1124         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
1125         vector integer type.
1126
1127 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1128
1129         PR middle-end/71494
1130         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1131         without LABEL_DECL, set *handled_ops_p to false instead of true.
1132
1133 2016-06-10  Martin Sebor  <msebor@redhat.com>
1134
1135         PR c/71392
1136         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
1137         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
1138         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
1139         them.
1140         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
1141         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
1142         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
1143         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
1144         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
1145         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
1146         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
1147         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
1148
1149 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1150
1151         * config/arm/arm.h (pool_vector_label,
1152         return_used_this_function): Remove.
1153
1154 2016-06-10  Jeff Law  <law@redhat.com>
1155
1156         PR tree-optimization/71335
1157         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
1158         zero length paths here.
1159         (convert_and_register_jump_thread_path): Remove hacks related to
1160         duplicated blocks in the jump thread path.
1161         (fsm_find_control_statement_thread_paths): Avoid putting the same
1162         block on the thread path twice, but ensure the thread path is
1163         unchanged from the caller's point of view.
1164
1165 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1166
1167         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
1168         * predict.def (PRED_LOOP_BRANCH): Remove.
1169
1170 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
1171
1172         * Makefile.in (OBJS): Add ggc-tests.o.
1173         (GTFILES): Add ggc-tests.c.
1174         * ggc-tests.c: New file.
1175         * selftest-run-tests.c (selftest::run_tests): Call
1176         selftest::ggc_tests_c_tests.
1177         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
1178
1179 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
1180
1181         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
1182
1183 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
1184
1185         PR sanitizer/71480
1186         * varasm.c (place_block_symbol): Adjust alignment for asan protected
1187         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
1188
1189 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1190
1191         * profile.c: Include cfgloop.h.
1192         (branch_prob): Compute estimated number of iterations.
1193         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
1194         recompute estimate number of iterations from profile.
1195
1196 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1197
1198         PR inline-asm/68843
1199         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
1200         must be grouped on top of stack.  Don't force early clobber
1201         on ordinary reg outputs.
1202
1203 2016-06-10  Richard Biener  <rguenther@suse.de>
1204
1205         * targhooks.c (default_builtin_vectorization_cost): Adjust
1206         vec_construct cost.
1207
1208 2016-06-10  Richard Biener  <rguenther@suse.de>
1209
1210         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1211         to fold the RHS to a constant if possible.
1212
1213 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1214
1215         PR middle-end/71373
1216         * tree-nested.c (convert_nonlocal_omp_clauses)
1217         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1218         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1219         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1220
1221         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1222         OMP_CLAUSE_TILE.
1223         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1224
1225         * omp-low.c (scan_sharing_clauses): Don't expect
1226         OMP_CLAUSE__CACHE_.
1227
1228 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1229
1230         PR tree-optimization/71407
1231         PR tree-optimization/71416
1232         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1233         BIT_FIELD_REF type.
1234
1235 2016-06-10  Richard Biener  <rguenther@suse.de>
1236
1237         PR middle-end/71477
1238         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1239
1240 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1241
1242         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1243
1244 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1245             Jiong Wang  <jiong.wang@arm.com>
1246
1247         PR rtl-optimization/70751
1248         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1249         spilled into memory.
1250
1251 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1252
1253         Revert:
1254         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1255
1256         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1257         sysroot/usr/lib/32api for additional win32 libraries,
1258         fixes failing Cygwin bootstrapping.
1259
1260 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1261
1262         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1263         Delete.
1264
1265 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1266
1267         PR bootstrap/71471
1268         * pretty-print.c (pp_indent): Specify that %p is printed in a
1269         host-dependent manner.
1270         (test_pp_format): Remove the test for %p.
1271
1272 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1273
1274         * config/mips/mips.c (mips_output_jump): Fix formatting.
1275
1276 2016-06-09  Richard Biener  <rguenther@suse.de>
1277
1278         PR tree-optimization/71462
1279         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1280         removed blocks.
1281
1282 2016-06-09  Martin Liska  <mliska@suse.cz>
1283
1284         * predict.c (dump_prediction): Add new argument.
1285         (enum predictor_reason): New enum.
1286         (struct predictor_hash): New struct.
1287         (predictor_hash::hash): New function.
1288         (predictor_hash::equal): Likewise.
1289         (not_removed_prediction_p): New function.
1290         (prune_predictions_for_bb): Likewise.
1291         (combine_predictions_for_bb): Prune predictions.
1292
1293 2016-06-09  Martin Liska  <mliska@suse.cz>
1294
1295         * predict.c (filter_predictions): New function.
1296         (remove_predictions_associated_with_edge): Use the filter
1297         function.
1298         (equal_edge_p): New function.
1299
1300 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1301
1302         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1303         Correct usage of @samp vs @option, add @samp where appropriate.
1304         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1305         Add armv6s-m and document it, as it is no official ARM name.
1306
1307 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1308
1309         * ifcvt.c (struct noce_if_info): Add transform_name field.
1310         (noce_try_move): Set if_info->transform_name to the function name.
1311         (noce_try_ifelse_collapse): Likewise.
1312         (noce_try_store_flag): Likewise.
1313         (noce_try_inverse_constants): Likewise.
1314         (noce_try_store_flag_constants): Likewise.
1315         (noce_try_addcc): Likewise.
1316         (noce_try_store_flag_mask): Likewise.
1317         (noce_try_cmove): Likewise.
1318         (noce_try_cmove_arith): Likewise.
1319         (noce_try_minmax): Likewise.
1320         (noce_try_abs): Likewise.
1321         (noce_try_sign_mask): Likewise.
1322         (noce_try_bitop): Likewise.
1323         (noce_convert_multiple_sets): Likewise.
1324         (noce_process_if_block): Print if_info->transform_name to
1325         dump_file if transformation succeeded.
1326
1327 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1328
1329         * config/arm/cortex-a57.md (cortex_a57_alu):
1330         Handle csel type.
1331
1332 2016-06-08  Martin Sebor  <msebor@redhat.com>
1333             Jakub Jelinek  <jakub@redhat.com>
1334
1335         PR c++/70507
1336         PR c/68120
1337         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1338         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1339         * builtins.c: Include gimple-fold.h.
1340         (fold_builtin_arith_overflow): Handle
1341         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1342         (fold_builtin_3): Likewise.
1343         * doc/extend.texi (Integer Overflow Builtins): Document
1344         __builtin_{add,sub,mul}_overflow_p.
1345
1346 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1347
1348         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1349         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1350
1351 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1352
1353         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1354         Rewrite, looking one level down for records and arrays.
1355
1356 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1357
1358         * pretty-print.c: Include "selftest.h".
1359         (pp_format): Fix comment.
1360         (identifier_to_locale): Likewise.
1361         (selftest::test_basic_printing): New function.
1362         (selftest::assert_pp_format): New function.
1363         (selftest::test_pp_format): New function.
1364         (selftest::pretty_print_c_tests): New function.
1365         * selftest-run-tests.c (selftest::run_tests): Call
1366         selftest::pretty_print_c_tests.
1367         * selftest.h (pretty_print_c_tests): New declaration.
1368
1369 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1370
1371         * invoke.texi (max-loop-headers-insns): Document.
1372         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1373         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1374         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1375
1376 2016-06-08  Richard Biener  <rguenther@suse.de>
1377
1378         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1379         on strided SLP loads and fall back to scalar loads in case
1380         we can't chunk them.
1381
1382 2016-06-08  Richard Biener  <rguenther@suse.de>
1383
1384         PR tree-optimization/71452
1385         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1386         type used for the SSA rewrite has enough precision to cover
1387         the dynamic type of the location.
1388
1389 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1390             Richard Biener  <rguenther@suse.de>
1391
1392         PR c++/71448
1393         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1394         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1395         in one further place.
1396
1397 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1398
1399         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1400         to one word if the field is known to overlap other words.
1401         (extract_bit_field_1): Likewise.
1402         (store_split_bit_field): Remove compensating code.
1403         (extract_split_bit_field): Likewise.
1404
1405 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1406
1407         PR debug/71432
1408         PR ada/71413
1409         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1410
1411 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1412
1413         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1414         VDQF.
1415         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1416         (arch64_addpv4sf): Delete.
1417         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1418         "gen_aarch64_addpv4sf".
1419         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1420         builtin.
1421         (vpadds_f32): Likewise.
1422         (vpaddq_f32): Likewise.
1423         (vpaddq_f64): Likewise.
1424
1425 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1426
1427         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1428         VALLF.
1429         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1430         to VALLF.  Rename to "fabd<mode>3".
1431         "*fabd_scalar<mode>3): Delete.
1432         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1433         Use builtin.
1434         (vabdd_f64): Likewise.
1435         (vabd_f32): Likewise.
1436         (vabd_f64): Likewise.
1437         (vabdq_f32): Likewise.
1438         (vabdq_f64): Likewise.
1439
1440 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1441
1442         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1443         VALLF.
1444         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1445         "aarch64_rsqrts<mode>".
1446         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1447         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1448         builtin.
1449         (vrsqrtsd_f64): Likewise.
1450         (vrsqrts_f32): Likewise.
1451         (vrsqrts_f64): Likewise.
1452         (vrsqrtsq_f32): Likewise.
1453         (vrsqrtsq_f64): Likewise.
1454
1455 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1456
1457         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1458         VALLF.
1459         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1460         "aarch64_rsqrte<mode>".
1461         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1462         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1463         builtin.
1464         (vrsqrted_f64): Likewise.
1465         (vrsqrte_f32): Likewise.
1466         (vrsqrte_f64): Likewise.
1467         (vrsqrteq_f32): Likewise.
1468         (vrsqrteq_f64): Likewise.
1469
1470 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1471
1472         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1473         (ucvtf): Likewise.
1474         (fcvtzs): Likewise.
1475         (fcvtzu): Likewise.
1476         * config/aarch64/aarch64-simd.md
1477         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1478         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1479         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1480         Use builtin.
1481         (vcvt_n_f32_u32): Likewise.
1482         (vcvt_n_s32_f32): Likewise.
1483         (vcvt_n_u32_f32): Likewise.
1484         (vcvtq_n_f32_s32): Likewise.
1485         (vcvtq_n_f32_u32): Likewise.
1486         (vcvtq_n_f64_s64): Likewise.
1487         (vcvtq_n_f64_u64): Likewise.
1488         (vcvtq_n_s32_f32): Likewise.
1489         (vcvtq_n_s64_f64): Likewise.
1490         (vcvtq_n_u32_f32): Likewise.
1491         (vcvtq_n_u64_f64): Likewise.
1492         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1493         (VSDQ_SDI): Likewise.
1494         (fcvt_target): Support V4DI, V4SI and V2SI.
1495         (FCVT_TARGET): Likewise.
1496
1497 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1498
1499         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1500         (TYPES_BINOP_SUS): Likewise.
1501         (aarch64_simd_builtin_data): Update include file name.
1502         (aarch64_builtins): Likewise.
1503         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1504         for conversion between scalar float-point and fixed-point.
1505         (ucvtf): Likewise.
1506         (fcvtzs): Likewise.
1507         (fcvtzu): Likewise.
1508         * config/aarch64/aarch64.md
1509         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1510         pattern for conversion between scalar float to fixed-pointer.
1511         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1512         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1513         (UNSPEC_FCVTZU): Likewise.
1514         (UNSPEC_SCVTF): Likewise.
1515         (UNSPEC_UCVTF): Likewise.
1516         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1517         Use builtin.
1518         (vcvtd_n_f64_u64): Likewise.
1519         (vcvtd_n_s64_f64): Likewise.
1520         (vcvtd_n_u64_f64): Likewise.
1521         (vcvtd_n_f32_s32): Likewise.
1522         (vcvts_n_f32_u32): Likewise.
1523         (vcvtd_n_s32_f32): Likewise.
1524         (vcvts_n_u32_f32): Likewise.
1525         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1526         mapping.
1527         (FCVT_TARGET): Likewise.
1528         (FCVT_FIXED2F): New iterator.
1529         (FCVT_F2FIXED): Likewise.
1530         (fcvt_fixed_insn): New define_int_attr.
1531
1532 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1533
1534         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1535         some statements was removed.
1536
1537 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1538
1539         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1540         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1541         (vect_can_advance_ivs_p): likewise.
1542         (vect_update_ivs_after_vectorizer): likewise.
1543         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1544         (vect_analyze_scalar_cycles_1): likewise.
1545         (vect_analyze_loop_operations): likewise.
1546         (report_vect_op): likewise.
1547         (vect_is_slp_reduction): likewise.
1548         (vect_is_simple_reduction): likewise.
1549         (get_initial_def_for_induction): likewise.
1550         (vect_transform_loop): likewise.
1551         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1552         (vect_recog_sad_pattern): likewise.
1553         (vect_recog_widen_sum_pattern): likewise.
1554         (vect_recog_widening_pattern): likewise.
1555         (vect_recog_divmod_pattern): likewise.
1556         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1557         (vect_analyze_slp_instance): likewise.
1558         (vect_transform_slp_perm_load): likewise.
1559         (vect_schedule_slp_instance): likewise.
1560
1561 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1562
1563         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1564         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1565         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1566         (PRED_LOOP_BRANCH): Document predictor as broken.
1567         (PRED_LOOP_EXIT): Change hitrate 91->92.
1568         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1569         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1570         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1571         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1572         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1573         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1574         (PRED_CALL): Chane hitrate 71->67.
1575         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1576         (PRED_GOTO): Document as unused right now.
1577         (PRED_CONST_RETURN): Change hitrate 67->69
1578         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1579         (PRED_NULL_RETURN): Change hitrate 91->90.
1580         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1581         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1582         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1583
1584 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1585
1586         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1587         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1588         special case Altivec builtin.
1589         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1590         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1591         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1592         code for ALTIVEC_BUILTIN_VEC_MUL.
1593         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1594         for __builtin_vec_mul.
1595
1596 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1597
1598         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1599         -mno-htm.
1600
1601 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1602
1603         * spellcheck.c (selftest::test_find_closest_string): New function.
1604         (spellcheck_c_tests): Call the above.
1605
1606 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1607
1608         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1609
1610 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1611
1612         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1613         Yv=Yv,C alternatives.
1614
1615 2016-06-07  Richard Biener  <rguenther@suse.de>
1616
1617         PR c/61564
1618         * common.opt (ffast-math): Make Optimization.
1619
1620 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1621             Prachi Godbole  <prachi.godbole@imgtec.com>
1622
1623         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1624         `fabs' and `fneg' type attributes.
1625         (p5600_fpu_fabs): Add `fmove' to the comment.
1626
1627 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1628
1629         * gimple.c: Include builtins.h
1630         (gimple_inexpensive_call_p): New function.
1631         * gimple.h (gimple_inexpensive_call_p): Declare.
1632         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1633         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1634         fix formatting.
1635
1636 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1637
1638         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1639         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1640         warning_at_rich_loc, warning_n, pedwarn, permerror,
1641         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1642         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1643         Use the above.
1644
1645 2016-06-07  Richard Biener  <rguenther@suse.de>
1646
1647         PR tree-optimization/71428
1648         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1649         BIT_FIELD_REF op vs. load.
1650
1651 2016-06-07  Richard Biener  <rguenther@suse.de>
1652
1653         PR middle-end/71423
1654         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1655         for signed ops.
1656
1657 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1658
1659         * config/pa/pa.md (call): Generate indirect long calls to non-local
1660         functions on TARGET_64BIT.
1661         (call_value): Likewise.
1662
1663 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1664
1665         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1666         pattern and subsequent splitters.
1667         (call_val_reg_64bit_post_reload): Likewise.
1668
1669 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1670
1671         PR middle-end/71408
1672         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1673         propagate_op_to_single_use.
1674
1675 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1676
1677         PR middle-end/71281
1678         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1679
1680 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1681
1682         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1683         (enum x86_dirflag_state): New enum.
1684         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1685         (machine_function): Remove needs_cld.
1686         (ix86_current_function_needs_cld): Remove.
1687         * config/i386/i386.c (ix86_set_func_type): Set
1688         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1689         (ix86_expand_prologue): Do not emit CLD here.
1690         (ix86_dirflag_mode_needed): New function.
1691         (ix86_dirflag_mode_entry): Ditto.
1692         (ix86_mode_needed): Handle X86_DIRFLAG entity.
1693         (ix86_mode_after): Ditto.
1694         (ix86_mode_entry): Ditto.
1695         (ix86_mode_exit): Ditto.
1696         (ix86_emit_mode_set): Ditto.
1697         * config/i386/i386.md (strmov_singleop): Set
1698         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1699         Do not set ix86_current_function_needs_cld.
1700         (rep_mov): Ditto.
1701         (strset_singleop): Ditto.
1702         (rep_stos): Ditto.
1703         (cmpstrnqi_nz_1): Ditto.
1704         (cmpstrnqi_1): Ditto.
1705         (strlenqi_1): Ditto.
1706
1707 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1708
1709         PR tree-optimization/71259
1710         * tree-vect-slp.c (vect_get_constant_vectors): For
1711         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1712         one for constant op, and use COND_EXPR for non-constant.
1713
1714 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
1715
1716         * Makefile.in (OBJS): Add function-tests.o,
1717         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1718         selftest-run-tests.o.
1719         (OBJS-libcommon): Add selftest.o.
1720         (OBJS-libcommon-target): Add selftest.o.
1721         (all.internal): Add "selftest".
1722         (all.cross): Likewise.
1723         (selftest): New phony target.
1724         (s-selftest): New target.
1725         (selftest-gdb): New phony target.
1726         (COLLECT2_OBJS): Add selftest.o.
1727         * bitmap.c: Include "selftest.h".
1728         (selftest::test_gc_alloc): New function.
1729         (selftest::test_set_range): New function.
1730         (selftest::test_clear_bit_in_middle): New function.
1731         (selftest::test_copying): New function.
1732         (selftest::test_bitmap_single_bit_set_p): New function.
1733         (selftest::bitmap_c_tests): New function.
1734         * common.opt (fself-test): New.
1735         * diagnostic-show-locus.c: Include "selftest.h".
1736         (make_range): New function.
1737         (test_range_contains_point_for_single_point): New function.
1738         (test_range_contains_point_for_single_line): New function.
1739         (test_range_contains_point_for_multiple_lines): New function.
1740         (assert_eq): New function.
1741         (test_get_line_width_without_trailing_whitespace): New function.
1742         (selftest::diagnostic_show_locus_c_tests): New function.
1743         * et-forest.c: Include "selftest.h".
1744         (selftest::test_single_node): New function.
1745         (selftest::test_simple_tree): New function.
1746         (selftest::test_disconnected_nodes): New function.
1747         (selftest::et_forest_c_tests): New function.
1748         * fold-const.c: Include "selftest.h".
1749         (selftest::assert_binop_folds_to_const): New function.
1750         (selftest::assert_binop_folds_to_nonlvalue): New function.
1751         (selftest::test_arithmetic_folding): New function.
1752         (selftest::fold_const_c_tests): New function.
1753         * function-tests.c: New file.
1754         * gimple.c: Include "selftest.h".
1755         Include "gimple-pretty-print.h".
1756         (selftest::verify_gimple_pp): New function.
1757         (selftest::test_assign_single): New function.
1758         (selftest::test_assign_binop): New function.
1759         (selftest::test_nop_stmt): New function.
1760         (selftest::test_return_stmt): New function.
1761         (selftest::test_return_without_value): New function.
1762         (selftest::gimple_c_tests): New function.
1763         * hash-map-tests.c: New file.
1764         * hash-set-tests.c: New file.
1765         * input.c: Include "selftest.h".
1766         (selftest::assert_loceq): New function.
1767         (selftest::test_accessing_ordinary_linemaps): New function.
1768         (selftest::test_unknown_location): New function.
1769         (selftest::test_builtins): New function.
1770         (selftest::test_reading_source_line): New function.
1771         (selftest::input_c_tests): New function.
1772         * rtl-tests.c: New file.
1773         * selftest-run-tests.c: New file.
1774         * selftest.c: New file.
1775         * selftest.h: New file.
1776         * spellcheck.c: Include "selftest.h".
1777         (selftest::levenshtein_distance_unit_test_oneway): New function,
1778         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1779         (selftest::levenshtein_distance_unit_test): Likewise.
1780         (selftest::spellcheck_c_tests): Likewise.
1781         * toplev.c: Include selftest.h.
1782         (toplev::run_self_tests): New.
1783         (toplev::main): Handle -fself-test.
1784         * toplev.h (toplev::run_self_tests): New.
1785         * tree.c: Include "selftest.h".
1786         (selftest::test_integer_constants): New function.
1787         (selftest::test_identifiers): New function.
1788         (selftest::test_labels): New function.
1789         (selftest::tree_c_tests): New function.
1790         * tree-cfg.c: Include "selftest.h".
1791         (selftest::push_fndecl): New function.
1792         (selftest::test_linear_chain): New function.
1793         (selftest::test_diamond): New function.
1794         (selftest::test_fully_connected): New function.
1795         (selftest::tree_cfg_c_tests): New function.
1796         * vec.c: Include "selftest.h".
1797         (selftest::safe_push_range): New function.
1798         (selftest::test_quick_push): New function.
1799         (selftest::test_safe_push): New function.
1800         (selftest::test_truncate): New function.
1801         (selftest::test_safe_grow_cleared): New function.
1802         (selftest::test_pop): New function.
1803         (selftest::test_safe_insert): New function.
1804         (selftest::test_ordered_remove): New function.
1805         (selftest::test_unordered_remove): New function.
1806         (selftest::test_block_remove): New function.
1807         (selftest::reverse_cmp): New function.
1808         (selftest::test_qsort): New function.
1809         (selftest::vec_c_tests): New function.c.
1810         * wide-int.cc: Include selftest.h and wide-int-print.h.
1811         (selftest::from_int <wide_int>): New function.
1812         (selftest::from_int <offset_int>): New function.
1813         (selftest::from_int <widest_int>): New function.
1814         (selftest::assert_deceq): New function.
1815         (selftest::assert_hexeq): New function.
1816         (selftest::test_printing <VALUE_TYPE>): New function template.
1817         (selftest::test_ops <VALUE_TYPE>): New function template.
1818         (selftest::test_comparisons <VALUE_TYPE>): New function template.
1819         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1820         template.
1821         (selftest::wide_int_cc_tests): New function.
1822
1823 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1824
1825         PR middle-end/37780
1826         * ifcvt.c (noce_try_ifelse_collapse): New function.
1827         Declare prototype.
1828         (noce_process_if_block): Call noce_try_ifelse_collapse.
1829         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1830         (simplify_ternary_operation): Use the above to simplify
1831         conditional CLZ/CTZ expressions.
1832
1833 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1834
1835         PR middle-end/37780
1836         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1837         define_insn_and_split.
1838
1839 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1840
1841         PR middle-end/37780
1842         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1843
1844 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1845
1846         PR c/24414
1847         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1848         Implicitly clobber memory for basic asm with non-empty assembler
1849         string.  Use targetm.md_asm_adjust also here.
1850         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1851         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1852         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1853         non-empty assembler string.
1854         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1855         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1856         (decode_asm_operands): Handle basic asm in PARALLEL block.
1857         (extract_insn): Handle basic asm in PARALLEL block.
1858         * doc/extend.texi: Mention new behavior of basic asm.
1859         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1860         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1861         branch_needs_nop_p): Use asm_noperands.
1862
1863 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1864
1865         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1866         Include the M7 SPARC DFA scheduler.
1867         New attribute v3pipe.
1868         Annotate insns with v3pipe where appropriate.
1869         Define cpu_feature vis4.
1870         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1871         Add (V8QI "8") to vbits.
1872         Add insns {add,sub}v8qi3
1873         Add insns ss{add,sub}v8qi3
1874         Add insns us{add,sub}{v8qi,v4hi}3
1875         Add insns {min,max}{v8qi,v4hi,v2si}3
1876         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1877         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1878         * config/sparc/niagara4.md: Add a comment explaining the
1879         discrepancy between the documented latenty numbers and the
1880         implemented ones.
1881         * config/sparc/niagara7.md: New file.
1882         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1883         supports SPARC5 and VIS 4.0 instructions.
1884         * configure: Regenerate.
1885         * config.in: Likewise.
1886         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1887         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1888         TARGET_CPU_niagara7.
1889         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1890         (CPP_CPU_SPEC): Handle niagara7.
1891         (ASM_CPU_SPEC): Likewise.
1892         * config/sparc/sparc-opts.h (processor_type): Add
1893         PROCESSOR_NIAGARA7.
1894         (mvis4): New option.
1895         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1896         (AS_NIAGARA7_FLAG): Define.
1897         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1898         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1899         (CPP_CPU_SPEC): Handle niagara7.
1900         (ASM_CPU_SPEC): Likewise.
1901         * config/sparc/sparc.c (niagara7_costs): Define.
1902         (sparc_option_override): Handle niagara7 and adjust cache-related
1903         parameters with better values for niagara cpus.  Also support VIS4.
1904         (sparc32_initialize_trampoline): Likewise.
1905         (sparc_use_sched_lookahead): Likewise.
1906         (sparc_issue_rate): Likewise.
1907         (sparc_register_move_cost): Likewise.
1908         (dump_target_flag_bits): Support VIS4.
1909         (sparc_vis_init_builtins): Likewise.
1910         (sparc_builtins): Likewise.
1911         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1912         VIS4 4.0.
1913         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1914         UltraSparc M7.
1915         * config/sparc/sparc.opt (sparc_processor_type): New value
1916         niagara7.
1917         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1918         VIS4 builtins.
1919         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1920         -mvis4.
1921         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1922         VIS4 builtins.
1923
1924 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
1925
1926         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1927
1928 2016-06-06  Richard Biener  <rguenther@suse.de>
1929
1930         PR tree-optimization/71398
1931         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1932         remove edges.
1933
1934 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
1935
1936         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1937         ft32_expand_prolog, ft32_expand_epilogue):
1938         Handle pretend_args.
1939         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1940         * config/ft32/ft32.md: Add pretend_returner.
1941
1942 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
1943
1944         PR target/71389
1945         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1946         Copy op1 RTX to avoid invalid sharing.
1947         (ix86_expand_vector_move_misalign): Ditto.
1948
1949 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
1950
1951         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1952         ATTRIBUTE_UNUSED.
1953
1954 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1955
1956         * predict.c (predicted_by_loop_heuristics_p): New function.
1957         (predict_iv_comparison): Use it.
1958         (predict_loops): Walk from innermost loops; do not predict edges
1959         leaving multiple loops multiple times; implement
1960         PRED_LOOP_ITERATIONS_MAX heuristics.
1961         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1962
1963 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1964
1965         * cfg.c (check_bb_profile): Do not report mismatched profiles when
1966         only edges out of BB are EH edges.
1967
1968 2016-06-04  Martin Sebor  <msebor@redhat.com>
1969             Marcin Baczyński  <marbacz@gmail.com>
1970
1971         PR c/48116
1972         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1973         a void expression in a void function.
1974
1975 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1976
1977         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1978         aux; dump reasons of decisions.
1979         (should_duplicate_loop_header_p): Likewise.
1980         (do_while_loop_p): Likewise.
1981         (ch_base::copy_headers): Dump asi num insns duplicated.
1982
1983 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1984
1985         PR tree-optimization/71405
1986         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1987         incompatible type, build a new clobber with the right type instead
1988         of building a VIEW_CONVERT_EXPR around it.
1989
1990 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1991
1992         PR tree-optimization/52171
1993         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1994         by_pieces_ninsns instead of move_by_pieces_ninsns.
1995
1996 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1997
1998         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1999         for reg+reg addressing mode.
2000
2001 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2002
2003         * rs6000-c.c (c/c-tree.h): Add #include.
2004         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
2005         in C++ when found in the base position of vec_ld or vec_st.
2006
2007 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
2008
2009         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
2010         use of profile unless profile status is PROFILE_READ.
2011         * profile.c (compute_branch_probabilities): Set profile status
2012         only after reporting predictor hitrates.
2013
2014 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
2015
2016         PR target/71276
2017         PR target/71277
2018         * common.opt (ffp-int-builtin-inexact): New option.
2019         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
2020         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
2021         (ceil@var{m}2): Document dependence on this option.
2022         * ipa-inline-transform.c (inline_call): Handle
2023         flag_fp_int_builtin_inexact.
2024         * ipa-inline.c (can_inline_edge_p): Likewise.
2025         * config/i386/i386.md (rintxf2): Do not test
2026         flag_unsafe_math_optimizations.
2027         (rint<mode>2_frndint): New define_insn.
2028         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
2029         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
2030         for 387 instead of extending and truncating.
2031         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
2032         !flag_trapping_math instead of flag_unsafe_math_optimizations.
2033         Change to frndint<mode>2_<rounding>.
2034         (frndintxf2_<rounding>_i387): Likewise.  Change to
2035         frndint<mode>2_<rounding>_i387.
2036         (<rounding_insn>xf2): Likewise.
2037         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
2038         !flag_trapping_math instead of flag_unsafe_math_optimizations for
2039         x87.  Test TARGET_ROUND || !flag_trapping_math ||
2040         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
2041         SSE.  Use ROUND_NO_EXC in constant operand of
2042         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
2043         for 387 instead of extending and truncating.
2044
2045 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2046             Julia Koval  <julia.koval@intel.com>
2047
2048         PR target/66960
2049         PR target/67630
2050         PR target/67634
2051         PR target/67841
2052         PR target/68037
2053         PR target/68618
2054         PR target/68661
2055         PR target/69575
2056         PR target/69596
2057         PR target/69734
2058         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
2059         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
2060         all registers, except for function return registers if there are
2061         no caller-saved registers.
2062         (ix86_set_func_type): New function.
2063         (ix86_set_current_function): Call ix86_set_func_type to set
2064         no_caller_saved_registers and func_type.  Call reinit_regs if
2065         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
2066         nor x87 instructions in interrupt handler nor function with
2067         no_caller_saved_registers attribute.
2068         (ix86_function_ok_for_sibcall): Return false if there are no
2069         caller-saved registers.
2070         (type_natural_mode): Don't warn ABI change for MMX in interrupt
2071         handler.
2072         (ix86_function_arg_advance): Skip for callee in interrupt handler.
2073         (ix86_function_arg): Return special arguments in interrupt handler.
2074         (ix86_promote_function_mode): Promote pointer to word_mode only
2075         for normal functions.
2076         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
2077         interrupt handler.
2078         (ix86_epilogue_uses): New function.
2079         (ix86_hard_regno_scratch_ok): Likewise.
2080         (ix86_save_reg): Preserve all registers in interrupt handler
2081         after reload.  Preserve all registers, except for function return
2082         registers, if there are no caller-saved registers after reload.
2083         (find_drap_reg): Always use callee-saved register if there are
2084         no caller-saved registers.
2085         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
2086         for interrupt handler.
2087         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
2088         Emit cld instruction if stringops are used in interrupt handler
2089         or interrupt handler isn't a leaf function.
2090         (ix86_expand_epilogue): Generate interrupt return for interrupt
2091         handler and pop the 'ERROR_CODE' off the stack before interrupt
2092         return in exception handler.
2093         (ix86_expand_call): Disallow calling interrupt handler directly.
2094         If there are no caller-saved registers, mark all registers that
2095         are clobbered by the call which returns as clobbered.
2096         (ix86_handle_no_caller_saved_registers_attribute): New function.
2097         (ix86_handle_interrupt_attribute): Likewise.
2098         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
2099         attributes.
2100         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
2101         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
2102         accumulation in interrupt function if stack may be realigned to
2103         avoid DRAP.
2104         (EPILOGUE_USES): New.
2105         (function_type): New enum.
2106         (machine_function): Add func_type and no_caller_saved_registers.
2107         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
2108         (interrupt_return): New pattern.
2109         * doc/extend.texi: Document x86 interrupt and
2110         no_caller_saved_registers attributes.
2111
2112 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
2113
2114         PR tree-optimization/52171
2115         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
2116         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
2117         Look for constant strings.  Move some code to emit_block_cmp_hints
2118         and use it.
2119         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
2120         * defaults.h (COMPARE_MAX_PIECES): New macro.
2121         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
2122         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
2123         (clear_by_pieces_1): Don't declare.  Move definition before use.
2124         (can_do_by_pieces): New static function.
2125         (can_move_by_pieces): Use it.  Return bool.
2126         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
2127         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
2128         (class pieces_addr); New.
2129         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
2130         pieces_addr::adjust, pieces_addr::increment_address,
2131         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
2132         functions for it.
2133         (class op_by_pieces_d): New.
2134         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
2135         functions for it.
2136         (class move_by_pieces_d, class compare_by_pieces_d,
2137         class store_by_pieces_d): New subclasses of op_by_pieces_d.
2138         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
2139         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
2140         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
2141         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
2142         compare_by_pieces_d::finish_mode): New member functions.
2143         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
2144         functions.
2145         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
2146         (emit_block_cmp_hints): New function.
2147         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
2148         use the newly defined classes.
2149         * expr.h (by_pieces_constfn): New typedef.
2150         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
2151         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
2152         (move_by_pieces_ninsns): Don't declare.
2153         (can_move_by_pieces): Change return value to bool.
2154         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
2155         (compare_by_pieces_branch_ratio): New hook.
2156         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
2157         (by_pieces_ninsns): Declare.
2158         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
2159         COMPARE_BY_PIECES.
2160         (default_compare_by_pieces_branch_ratio): New function.
2161         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
2162         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
2163         * doc/tm.texi: Regenerate.
2164         * tree-ssa-strlen.c: Include "builtins.h".
2165         (handle_builtin_memcmp): New static function.
2166         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
2167         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
2168
2169 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2170
2171         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
2172         relevant stmts which are simple and invariant.
2173         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
2174         instead of simple and invariant
2175
2176 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2177
2178         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
2179         (vectorizable_reduction): Check for new relevant state.
2180         (vectorizable_live_operation): vectorize live stmts using
2181         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
2182         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
2183         (vect_stmt_relevant_p): Check for stmts which are only used live.
2184         (process_use): Use of a stmt does not inherit it's live value.
2185         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
2186         (vect_analyze_stmt): Check for new relevant state.
2187         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
2188         outside the loop, but not inside it.
2189
2190 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2191
2192         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
2193         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
2194         (vect_get_vec_def_for_operand): Split out code.
2195
2196 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2197
2198         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
2199
2200 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2201
2202         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
2203
2204 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2205
2206         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2207
2208 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR middle-end/71387
2211         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2212         to noreturn e->callee->decl that has void return type and void
2213         arguments, adjust gimple_call_fntype and remove lhs even if it had
2214         previously addressable type.
2215
2216 2016-06-02  Jeff Law  <law@redhat.com>
2217
2218         PR tree-optimization/71328
2219         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2220         error when checking for a jump back onto the copied path.
2221
2222 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2223
2224         * config/microblaze/microblaze.c (get_branch_target): Add return
2225         NULL_RTX for the non-CALL_P case.
2226         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2227         (insert_wic): Remove unused local "j".
2228
2229 2016-06-02  Martin Liska  <mliska@suse.cz>
2230
2231         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2232
2233 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2234             Julia Koval  <julia.koval@intel.com>
2235
2236         * function.c (assign_parm_setup_stack): Force source into a
2237         register if needed.
2238         * target.def (function_incoming_arg): Update documentation to
2239         allow arbitrary address computation based on hard register.
2240         * doc/tm.texi: Regenerated.
2241
2242 2016-06-02  Martin Liska  <mliska@suse.cz>
2243
2244         * predict.c (combine_predictions_for_bb): Fix first match in
2245         cases where a first predictor contains more than one occurence
2246         in list of predictors.  Take the best value in such case.
2247
2248 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2249
2250         PR rtl-optimization/71295
2251         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2252         offset would go over the size of the inner mode reject it.
2253
2254 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2255
2256         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2257         x=x,x and v=v,m instead of x=x,m.
2258
2259         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2260         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2261         alternative to v=rm,C.
2262
2263         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2264         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2265         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2266         instead of vex for the last two above mentioned alternatives.
2267
2268 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2269
2270         PR target/70830
2271         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2272
2273 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2274
2275         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2276
2277 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2278
2279         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2280         from int to unsigned.
2281
2282 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2283
2284         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2285         alternatives, eliminating preferred register class.  Add support
2286         for the MTVSRDD instruction in ISA 3.0.
2287         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2288         reg_or_indexed_operand.
2289         (vsx_splat_v4sf_internal): Likewise.
2290
2291 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2292
2293         PR target/71186
2294         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2295         for loading up all 0's or all 1's.
2296
2297 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2298
2299         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2300
2301 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2302
2303         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2304         extension.
2305         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2306         * gcc.c (set_source_date_epoch_envvar): New function, sets
2307         the SOURCE_DATE_EPOCH environment variable to the current time.
2308
2309 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2310
2311         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2312         the factor for live Phi nodes.
2313
2314 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2315
2316         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2317         * tree-parloops.c (parallelize_loops): likewise.
2318         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2319         tree_unswitch_outer_loop): likewise.
2320
2321 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2322
2323         PR middle-end/71371
2324         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2325         around creation of the temporary.
2326
2327 2016-06-01  Richard Biener  <rguenther@suse.de>
2328
2329         PR tree-optimization/71366
2330         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2331         (unloop_loops): Move removing edges here ...
2332         (try_unroll_loop_completely): ... from here.
2333         (try_peel_loop): ... and here.
2334         (tree_unroll_loops_completely_1): Track parent loops via
2335         bitmap of header BBs.
2336         (tree_unroll_loops_completely): Adjust for that.
2337
2338 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2339
2340         * config/rs6000/altivec.h (vec_slv): New macro.
2341         (vec_srv): New macro.
2342         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2343         (UNSPEC_VSRV): New value.
2344         (vslv): New insn.
2345         (vsrv): New insn.
2346         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2347         (vsrv): New builtin definition.
2348         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2349         define argument types for new builtin.
2350         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2351         new builtin.
2352         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2353         functions.
2354
2355 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2356             Jocelyn Mayer  <l_indien@magic.fr>
2357
2358         PR target/67310
2359         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2360         detect processor family for signature_CENTAUR_ebx.
2361         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2362         signature_CENTAUR_ebx.
2363         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2364         <default>: Pass x86-64 for has_longmode.
2365
2366 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2367
2368         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2369         undefined weak.
2370
2371 2016-06-01  Richard Biener  <rguenther@suse.de>
2372
2373         PR tree-optimization/71261
2374         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2375         of stmts successfully put in the bool pattern.  Remove
2376         single-use restriction.
2377         (adjust_bool_pattern_cast): Add cast at the use site via the
2378         pattern def sequence.
2379         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2380         of patterned defs.  Use the pattern def seqence instead of
2381         multiple independent patterns.
2382         (sort_after_uid): New qsort compare function.
2383         (adjust_bool_stmts): New function to process stmts in the bool
2384         pattern in IL order.
2385         (vect_recog_bool_pattern): Adjust.
2386         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2387         (ifcvt_walk_pattern_tree): Likewise.
2388         (stmt_is_root_of_bool_pattern): Likewise.
2389         (ifcvt_repair_bool_pattern): Likewise.
2390         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2391
2392 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2393
2394         * loop-unroll.c (decide_unroll_constant_iterations,
2395         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2396         likely upper bounds.
2397         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2398
2399 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2400
2401         * tree-core.h (enum omp_clause_code): Remove
2402         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2403
2404 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2405
2406         * config/arm/sync.md (arm_store_exclusive<mode>):
2407         Use 'H' output modifier on operands[2] rather than creating a new
2408         entry in out-of-bounds memory of the operands array.
2409         (arm_store_release_exclusivedi): Likewise.
2410
2411 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2412
2413         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2414         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2415         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2416         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2417
2418 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2419
2420         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2421         into account live statements for mask producers.
2422
2423 2016-06-01  Richard Biener  <rguenther@suse.de>
2424
2425         PR tree-optimization/71311
2426         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2427         restrict to non-INTEGER_CST @0.
2428
2429 2016-06-01  Richard Biener  <rguenther@suse.de>
2430
2431         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2432         (relational patterns): Use :c to avoid pattern duplications.
2433
2434 2016-06-01  Richard Biener  <rguenther@suse.de>
2435
2436         * genmatch.c (comparison_code_p): New predicate.
2437         (swap_tree_comparison): New function.
2438         (commutate): Add for_vec parameter to append new for entries.
2439         Support commutating relational operators by swapping it alongside
2440         operands.
2441         (lower_commutative): Adjust.
2442         (dt_simplify::gen): Do not pass artificial operators to gen
2443         functions.
2444         (decision_tree::gen): Do not add artificial operators as parameters.
2445         (parser::parse_expr): Verify operator commutativity when :c is
2446         applied.  Allow :C to override this.
2447         * match.pd: Adjust patterns to use :C instead of :c where required.
2448
2449 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2450
2451         PR tree-optimization/71077
2452         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2453         the combining step, use boolean_false_node and boolean_true_node
2454         as the designated false/true return values.
2455
2456 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2457
2458         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2459         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2460         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2461         PRED_LOOP_EXIT.
2462
2463 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2464
2465         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2466         of flags impliying the register renaming.
2467         * toplev.c (process_options): Do not imply flag_rename_registers with
2468         loop peeling.
2469
2470 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2471
2472         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2473         default implementation.
2474
2475 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2476
2477         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2478
2479 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2480
2481         * config/sh/constraints.md (b): Remove constraint.
2482         * config/sh/predicates.md (arith_reg_operand): Remove
2483         TARGET_REGISTER_P.
2484         * config/sh/sh-modes.def (PDI): Remove.
2485         * config/sh/sh.c (sh_target_reg_class,
2486         sh_optimize_target_register_callee_saved): Remove functions.
2487         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2488         (sh_expand_epilogue): Update comment.
2489         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2490         sh_secondary_reload): Remove TARGET_REGS related code.
2491         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2492         TARGET_REGISTER_P): Remove macros.
2493         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2494         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2495         TR1_REG, TR2_REG): Remove constants.
2496         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2497
2498 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2499
2500         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2501         define_expand patterns.
2502         (adddi3_compact): Rename to adddi3.
2503         (subdi3_compact): Rename to subdi3.
2504         (*negdi2): Rename to negdi2.
2505         (*abs<mode>2): Rename to abs<mode>2.
2506
2507 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2508
2509         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2510         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2511         (atomic_sub_fetchsi): ... this new pattern.
2512         (mvtc): Add CC_REG clobber.
2513
2514 2016-05-31  Marek Polacek  <polacek@redhat.com>
2515
2516         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2517
2518 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2519
2520         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2521         aarch64_fusion_enabled_p to check for fusion capabilities.
2522
2523 2016-05-31  Richard Biener  <rguenther@suse.de>
2524
2525         PR tree-optimization/71352
2526         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2527         minus one and a negate.
2528
2529 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2530
2531         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2532         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2533         Delete prototype.
2534         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2535         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2536         Remove use of aarch64_simd_attr_length_move, set length attribute
2537         directly.
2538         (*aarch64_be_movoi): Likewise.
2539         (*aarch64_be_movci): Likewise.
2540         (*aarch64_be_movxi): Likewise.
2541
2542 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2543
2544         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2545         It no longer does that.
2546         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2547
2548 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2549
2550         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2551         attribute __unused__.
2552
2553 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2554
2555         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2556         * config/arm/arm.c (arm_arch_thumb1): Define.
2557         (arm_option_override): Initialize arm_arch_thumb1.
2558         * config/arm/arm.h (arm_arch_thumb1): Declare.
2559         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2560         support Thumb-1 ISA.
2561
2562 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2563
2564         PR target/71346
2565         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2566         `Yv' for scalar operand.
2567
2568 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2569
2570         PR tree-optimization/69068
2571         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2572         phis with more than two args.
2573
2574 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2575
2576         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2577         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2578         target.
2579
2580 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2581
2582         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2583         tune_64.
2584         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2585         support on SPARC.
2586         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2587         cpu_32, cpu_64, tune_32 and tune_64.
2588         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2589
2590 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2591
2592         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2593
2594 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2595
2596         * auto-profile.c (read_profile): Replace asserts with errors
2597         when file does not exist.
2598         * gcov-io.c (gcov_read_words): Dito.
2599
2600 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2601
2602         * tree-cfg.c (print_loop): Print likely upper bounds.
2603
2604 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2605
2606         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2607         * opts.c (default_options): Enable peel loops at -O3.
2608         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2609         (try_peel_loop): Do not re-peel already peeled loops;
2610         use likely upper bounds; fix profile updating.
2611         (pass_complete_unroll::execute): Initialize peeled_loops.
2612
2613 2016-05-30  Martin Liska  <mliska@suse.cz>
2614
2615         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2616         computed costs by frequency of BB they belong to.
2617         (get_scaled_computation_cost_at): New function.
2618
2619 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2620             Marc Glisse  <marc.glisse@inria.fr>
2621
2622         PR tree-optimization/71289
2623         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2624
2625 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2626
2627         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2628
2629 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2630
2631         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2632         for peeled copies; avoid underflow when updating estimates; correctly
2633         scale loop profile.
2634
2635 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2636
2637         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2638         r236875. Corrected oe3 to oe2 as obvious.
2639
2640 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2641
2642         PR middle-end/71269
2643         PR middle-end/71252
2644         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2645         that inserted stmt will not dominate stmts that defines its operand.
2646         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2647         (rewrite_expr_tree_parallel): Likewise.
2648
2649 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2650
2651         PR middle-end/71252
2652         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2653         all fields including stmt_to_insert are swapped.
2654
2655 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2656
2657         * predict.h (force_edge_cold): Declare.
2658         * predict.c (force_edge_cold): New function.
2659         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2660         updating.
2661         (canonicalize_loop_induction_variables): Fix formating.
2662
2663 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2664
2665         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2666         (visium_expand_copysign): Use gen_int_mode directly.
2667         (visium_compute_frame_size): Minor tweaks.
2668
2669 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2670
2671         * tree-vect-loop.c (vect_analyze_loop_2): Use
2672         likely_max_stmt_executions_int.
2673
2674 2016-05-30  Tom de Vries  <tom@codesourcery.com>
2675
2676         PR tree-optimization/69067
2677         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2678
2679 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
2680
2681         PR target/71245
2682         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2683         New peepholes to remove unneeded fild/fistp pairs.
2684         (define_peephole2 atomic_loaddi_fpu): Ditto.
2685
2686 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2687
2688         * predict.c (maybe_hot_frequency_p): Avoid division.
2689
2690 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
2691
2692         * doc/install.texi: Use https for shop.fsf.org.
2693
2694 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2695
2696         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2697         likely_max_stmt_executions_int.
2698
2699 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2700
2701         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2702         likely_max_stmt_executions_int.
2703
2704 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2705
2706         * profile.c (compute_branch_probabilities): Do not report hitrates
2707         here.
2708         (branch_prob): Report hitrates here.
2709         * predict.c (gimple_predict_edge): Do not assert profile status;
2710         fix formatting issues.
2711
2712 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2713
2714         * predict.c (edge_predicted_by_p): New function.
2715         (predict_paths_for_bb): Do not put multiple predictions of the same type
2716         on one edge.
2717
2718 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2719
2720         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2721         commit.
2722
2723 2016-05-28  Alan Modra  <amodra@gmail.com>
2724
2725         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2726
2727 2016-05-28  Alan Modra  <amodra@gmail.com>
2728
2729         PR rtl-optimization/71275
2730         * ira.c (ira): Free dominance info.
2731
2732 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
2733
2734         * doc/sourcebuild.texi: New address for upstream Go repository.
2735
2736 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2737
2738         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2739         (TARGET_ARM_V7M): Likewise.
2740
2741 2016-05-26  Jeff Law  <law@redhat.com>
2742
2743         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2744         (thread_across_edge): Remove calls to find_jump_threads_backwards.
2745         * passes.def: Add jump threading passes before DOM/VRP.
2746         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2747         argument to a basic block from an edge.  Remove tests which are
2748         handled elsewhere.
2749         (pass_data_thread_jumps, class pass_thread_jumps): New.
2750         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2751         (make_pass_thread_jumps): Likewise.
2752         * tree-pass.h (make_pass_thread_jumps): Declare.
2753
2754 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2755
2756         * config/visium/visium-protos.h (split_double_move): Rename into...
2757         (visium_split_double_move): ...this.
2758         (visium_split_double_add): Declare.
2759         * config/visium/visium.c (split_double_move): Rename into...
2760         (visium_split_double_move): ...this.
2761         (visium_split_double_add): New function.
2762         (visium_expand_copysign): Renumber operands for consistency.
2763         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2764         (DFmode move splitter): Likewise.
2765         (*addi3_insn): Split by means of visium_split_double_add.
2766         (*adddi3_insn_flags): Delete.
2767         (*plus_plus_sltu<subst_arith>): New insn.
2768         (*subdi3_insn): Split by means of visium_split_double_add.
2769         (subdi3_insn_flags): Delete.
2770         (*minus_minus_sltu<subst_arith>): New insn.
2771         (*negdi2_insn): Split by means of visium_split_double_add.
2772         (*negdi2_insn_flags): Delete.
2773
2774 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
2775
2776         * configure.ac: Treat a --with-headers option without argument
2777         the same as the default (i.e. consult sys-include directory).
2778         * configure: Regenerate.
2779
2780 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2781
2782         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2783         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2784         prototype.
2785         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2786         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2787
2788 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2789
2790         PR target/63596
2791         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2792         tree-stdarg analysis results.
2793         (aarch64_setup_incoming_varargs): Likewise.
2794
2795 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2796
2797         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2798         va_list_gpr_counter_field and va_list_fpr_counter_field.
2799
2800 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
2801
2802         PR67609
2803         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2804         * config/aarch64/aarch64.c
2805         (aarch64_cannot_change_mode_class): Remove function.
2806         * config/aarch64/aarch64-protos.h
2807         (aarch64_cannot_change_mode_class): Remove.
2808
2809 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2810
2811         * cfgloop.c (record_niter_bound): Record likely upper bounds.
2812         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2813         get_likely_max_loop_iterations_int): New.
2814         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2815         any_likely_upper_bound.
2816         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2817         Declare.
2818         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2819         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2820         upper bound.
2821         (unroll_loop_constant_iterations): Likewise.
2822         (unroll_loop_runtime_iterations): Likewise.
2823         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2824         * lto-streamer-out.c (output_cfg): Likewise.
2825         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2826         bounds.
2827         (canonicalize_loop_induction_variables): Dump likely upper bounds.
2828         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2829         (likely_max_loop_iterations): New.
2830         (likely_max_loop_iterations_int): New.
2831         (likely_max_stmt_executions): New.
2832         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2833         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2834         likely_max_stmt_executions): Declare.
2835
2836 2016-05-27  Marek Polacek  <polacek@redhat.com>
2837
2838         PR middle-end/71308
2839         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2840
2841 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2842
2843         * config/s390/s390.md (2x risbg splitters): Use
2844         reg_overlap_mentioned_p instead of rtx_equal_p.
2845
2846 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2847
2848         * combine.c (make_compound_operation): Take known zero bits into
2849         account when checking for possible zero_extend.
2850
2851 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2852
2853         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2854         Use const_int_operand for operand 2 predicate.  Simplify expand code
2855         as a result.
2856
2857 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
2858
2859         PR middle-end/71279
2860         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2861         into comparison.
2862
2863 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2864
2865         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2866         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2867         that returns CC_SESWPmode and CC_ZESWPmode.
2868         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2869         and CC_SESWPmode.
2870         (aarch64_rtx_costs): Likewise.
2871
2872 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2873
2874         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2875         for ISA 3.0 min/max support.
2876         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2877         conditional move support.
2878         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2879         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2880         available.
2881         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2882         conditional moves where the comparison type is different from move
2883         type.
2884         (fp_minmax): New code iterator for smin/smax.
2885         (minmax): New code attributes for min/max.
2886         (SMINMAX): Likewise.
2887         (smax<mode>3): Combine min, max insns into one insn using the
2888         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2889         instructions that don't need -ffast-math.
2890         (s<minmax><mode>3): Likewise.
2891         (smax<mode>3_vsx): Likewise.
2892         (smin<mode>3): Likewise.
2893         (s<minmax><mode>3_vsx): Likewise.
2894         (smin<mode>3_vsx): Likewise.
2895         (pre-VSX min/max splitters): Likewise.
2896         (s<minmax><mode>3_fpr): Likewise.
2897         (movsfcc): Rewrite floating point conditional moves to combine
2898         SFmode/DFmode into a single insn.
2899         (mov<mode>cc): Likewise.
2900         (movdfcc): Likewise.
2901         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2902         SFDF2 iterators to handle all combinations.
2903         (fseldfsf4): Likewise.
2904         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2905         (fseldfdf4): Likewise.
2906         (fselsfdf4): Likewise.
2907         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2908         comparison instructions that set a 0/-1 mask, and use it for
2909         floating point conditional move via XXSEL.
2910         (fpmask<mode>): Likewise.
2911         (xxsel<mode>): Likewise.
2912         * config/rs6000/predicates.md (min_max_operator): Delete, no
2913         longer used.
2914         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2915         instructions that generate a 0/-1 mask for use with XXSEL.
2916         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2917         say whether floating point min/max is available, either through
2918         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2919         (TARGET_MINMAX_DF): Likewise.
2920
2921 2016-05-27  Alan Modra  <amodra@gmail.com>
2922
2923         PR rtl-optimization/71275
2924         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2925         for update_equiv_regs and combine_and_move_insns.
2926
2927 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
2928
2929         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2930         if_then_else or cond RTXes to calculate attribute value.
2931         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2932         <attr "length_immediate>: Ditto.
2933         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2934         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2935         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2936         <attr "type">: Ditto.
2937         <attr "prefix_data16">: Ditto.
2938         <attr "prefix_extra">: Ditto.
2939         <attr "length_immediate">: Ditto.
2940         <attr "prefix">: Ditto.
2941         (vec_set<mode>_0) <attr "isa">: Ditto.
2942         <attr "prefix_extra">: Ditto.
2943         <attr "length_immediate">: Ditto.
2944         <attr "prefix">: Ditto.
2945         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2946         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2947         (sse2_storelpd) <attr "prefix_data16">: Ditto.
2948         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2949         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2950         <attr "length_immediate">: Ditto.
2951         <attr "prefix">: Ditto.
2952         (sse2_movsd) <attr "length_immediate">: Ditto.
2953         <attr "prefix">: Ditto.
2954         (vec_concatv2df)  <attr "isa">: Ditto.
2955         <attr "prefix">: Ditto.
2956         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2957         (*vec_extractv2di_1) <attr "isa">: Ditto.
2958         <attr "type">: Ditto.
2959         <attr "length_immediate">: Ditto.
2960         <attr "prefix_rex">: Ditto.
2961         <attr "prefix_extra">: Ditto.
2962         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2963         <attr "prefix_extra">: Ditto.
2964         <attr "length_immediate">: Ditto.
2965         (vec_concatv2di) <attr "isa">: Ditto.
2966         <attr "prefix_extra">: Ditto.
2967         <attr "length_immediate">: Ditto.
2968         <attr "prefix">: Ditto.
2969
2970 2016-05-26  Martin Liska  <mliska@suse.cz>
2971
2972         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2973         function.
2974         (operator+): Likewise.
2975         (operator-): Likewise.
2976         (comp_cost::operator+=): Likewise.
2977         (comp_cost::operator-=): Likewise.
2978         (comp_cost::operator/=): Likewise.
2979         (comp_cost::operator*=): Likewise.
2980         (operator<): Likewise.
2981         (operator==): Likewise.
2982         (operator<=): Likewise.
2983         (new_cost): Remove.
2984         (infinite_cost_p): Likewise.
2985         (add_costs): Likewise.
2986         (sub_costs): Likewise.
2987         (compare_costs): Likewise.
2988         (set_group_iv_cost): Use the newly introduced functions.
2989         (get_address_cost): Likewise.
2990         (get_shiftadd_cost): Likewise.
2991         (force_expr_to_var_cost): Likewise.
2992         (split_address_cost): Likewise.
2993         (ptr_difference_cost): Likewise.
2994         (difference_cost): Likewise.
2995         (get_computation_cost_at): Likewise.
2996         (determine_group_iv_cost_generic): Likewise.
2997         (determine_group_iv_cost_address): Likewise.
2998         (determine_group_iv_cost_cond): Likewise.
2999         (autoinc_possible_for_pair): Likewise.
3000         (determine_group_iv_costs): Likewise.
3001         (cheaper_cost_pair): Likewise.
3002         (iv_ca_recount_cost): Likewise.
3003         (iv_ca_set_no_cp): Likewise.
3004         (iv_ca_set_cp): Likewise.
3005         (iv_ca_cost): Likewise.
3006         (iv_ca_new): Likewise.
3007         (iv_ca_dump): Likewise.
3008         (iv_ca_narrow): Likewise.
3009         (iv_ca_prune): Likewise.
3010         (iv_ca_replace): Likewise.
3011         (try_add_cand_for): Likewise.
3012         (try_improve_iv_set): Likewise.
3013         (find_optimal_iv_set): Likewise.
3014
3015 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
3016
3017         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
3018         that internal functions will clobber all caller-saved registers.
3019
3020 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3021
3022         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
3023         Return a better case_values_threshold when optimizing.
3024
3025 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3026
3027         * config/aarch64/aarch64-simd.md (aarch64_combinez):
3028         Add ? to integer variant.
3029         (aarch64_combinez_be): Likewise.
3030
3031 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
3032
3033         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
3034         instead of x constraint.
3035         (vcvtps2ph256<mask_name>): Likewise.
3036
3037         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
3038         alternative.  Formatting fix.
3039
3040         * config/i386/sse.md
3041         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
3042         to ...
3043         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
3044         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
3045         maybe_evex prefix instead of vex.
3046         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
3047         EXT_REX_SSE_REG_P (op0) case in the splitter.
3048
3049 2016-05-25  Jeff Law  <law@redhat.com>
3050
3051         PR tree-optimization/71272
3052         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
3053         Update comments.  Add test for empty path.
3054
3055 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
3056
3057         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
3058         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
3059         special case builtin.
3060         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3061         code for ALTIVEC_BUILTIN_VEC_CMPNE.
3062         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3063         for __builtin_vec_cmpne.
3064
3065 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3066
3067         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
3068         redundant test and bail out if the type of the new operand is not
3069         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
3070
3071 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3072
3073         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
3074         (x_ix86_target_flags_explicit): Remove.
3075         * config/i386/i386.c (ix86_function_specific_save): Do not copy
3076         x_ix86_target_flags_explicit.
3077         (ix86_function_specific_restore): Ditto.
3078
3079 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3080             H.J. Lu  <hongjiu.lu@intel.com>
3081
3082         PR target/70738
3083         * common/config/i386/i386-common.c
3084         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
3085         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
3086         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
3087         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
3088         (-mgeneral-regs-only): Add new option.
3089         * config/i386/i386.c (ix86_option_override_internal): Don't enable
3090         x87 instructions if only general registers are allowed.
3091         (ix86_target_string): Add ix86_flags argument. Handle additional
3092         flags options through ix86_flags argument.  Update all callers.
3093         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
3094
3095 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3096
3097         PR rtl-optimization/66940
3098         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
3099         decrementing desired_val will not overflow before performing these
3100         operations.
3101
3102 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
3103
3104         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3105         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3106         * config/i386/i386.c (enum ix86_builtins): Add
3107         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3108         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3109         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3110         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3111         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3112         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3113         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3114         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3115         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3116         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3117         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3118         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3119         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3120         __builtin_ia32_cvtps2dq512_mask.
3121         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3122         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3123         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3124         * config/i386/sse.md
3125         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3126         Rename to ...
3127         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3128         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3129         to ...
3130         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3131         (avx512f_vec_pack_sfix_v8df): New define_expand.
3132         (avx512f_roundpd512): Rename to ...
3133         (avx512f_round<castmode>512): ... this.  Change iterator.
3134         (avx512f_roundps512_sfix): New define_expand.
3135         (round<mode>2_sfix): Change iterator.
3136
3137 2016-05-25  Nick Clifton  <nickc@redhat.com>
3138
3139         * config/msp430/msp430.c (msp430_attr): Produce an error if a
3140         static interrupt handler is detected.
3141         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
3142         default linker script.
3143         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
3144         the low part of a symbolic pointer.
3145
3146 2016-05-25  Richard Biener  <rguenther@suse.de>
3147
3148         PR tree-optimization/71261
3149         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
3150         interesting stmt instead of immediate uses when looking
3151         for the use operand to replace.
3152
3153 2016-05-25  Martin Liska  <mliska@suse.cz>
3154
3155         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
3156
3157 2016-05-25  Richard Biener  <rguenther@suse.de>
3158
3159         PR tree-optimization/71264
3160         * tree-vect-stmts.c (vect_init_vector): Properly deal with
3161         vector type val.
3162
3163 2016-05-25  Martin Liska  <mliska@suse.cz>
3164
3165         PR tree-optimization/71239
3166         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
3167         if DECL_SIZE is NULL.
3168
3169 2016-05-25  Richard Biener  <rguenther@suse.de>
3170
3171         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
3172         * tree-if-conv.c (pass_data_if_conversion): Use it.
3173
3174 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3175
3176         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
3177         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
3178         * varpool.c (varpool_node::get_availability): Likewise.
3179
3180 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3181
3182         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3183         VNEGW/VNEGD instructions.
3184         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3185         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3186         support for ISA 3.0 VNEGW/VNEGD instructions.
3187
3188 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
3189
3190         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
3191         pointers inside OACC_DATA regions.
3192         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
3193         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
3194         (gimplify_adjust_omp_clauses): Fix typo in comment.
3195
3196 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3197
3198         * config/rs6000/altivec.md (VParity): New mode iterator for vector
3199         parity built-in functions.
3200         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3201         zeros.
3202         (p9v_parity<mode>2): Likewise.
3203         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3204         parity.
3205         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3206         (parity<mode>2): ISA 3.0 expander for vector parity.
3207         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3208         power9 built-ins.
3209         (BU_P9_64BIT_MISC_0): Likewise.
3210         (BU_P9_MISC_0): Likewise.
3211         (BU_P9V_AV_1): Likewise.
3212         (BU_P9V_AV_2): Likewise.
3213         (BU_P9V_AV_3): Likewise.
3214         (BU_P9V_AV_P): Likewise.
3215         (BU_P9V_VSX_1): Likewise.
3216         (BU_P9V_OVERLOAD_1): Likewise.
3217         (BU_P9V_OVERLOAD_2): Likewise.
3218         (BU_P9V_OVERLOAD_3): Likewise.
3219         (VCTZB): Add vector count trailing zeros support.
3220         (VCTZH): Likewise.
3221         (VCTZW): Likewise.
3222         (VCTZD): Likewise.
3223         (VPRTYBD): Add vector parity support.
3224         (VPRTYBQ): Likewise.
3225         (VPRTYBW): Likewise.
3226         (VCTZ): Add overloaded vector count trailing zeros support.
3227         (VPRTYB): Add overloaded vector parity support.
3228         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3229         overloaded vector count trailing zeros and parity instructions.
3230         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3231         vector parity support.
3232         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3233         trailing zeros support.
3234         (vec_cntlz): Likewise.
3235         (vec_vctzb): Likewise.
3236         (vec_vctzd): Likewise.
3237         (vec_vctzh): Likewise.
3238         (vec_vctzw): Likewise.
3239         (vec_vprtyb): Add ISA 3.0 vector parity support.
3240         (vec_vprtybd): Likewise.
3241         (vec_vprtybw): Likewise.
3242         (vec_vprtybq): Likewise.
3243         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3244         the ISA 3.0 vector count trailing zeros and vector parity built-in
3245         functions.
3246
3247 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3248
3249         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3250         when there is stmt_to_insert.
3251
3252 2016-05-24  Martin Sebor  <msebor@redhat.com>
3253
3254         PR c++/71147
3255         * tree.h (complete_or_array_type_p): New inline function.
3256
3257 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3258
3259         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3260         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3261         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3262
3263         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3264         Limit 1st alternative to noavx isa, split 2nd alternative into one
3265         noavx and one avx alternative, use *x and Bm in the former and
3266         x and m in the latter.
3267
3268         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3269         of sse4 for the first alternative, drop %v from the template
3270         and d operand modifier.  Split second alternative into one sse4_noavx
3271         and one avx alternative, use *x instead of *v in the former and v
3272         instead of *v in the latter.
3273         (*sse4_1_extractps): Use noavx isa instead of * for the first
3274         alternative, drop %v from the template.  Split second alternative into
3275         one noavx and one avx alternative, use *x instead of *v in the
3276         former and v instead of *v in the latter.
3277         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3278         with noavx and the last one with avx.
3279         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3280         split the second one into one noavx and one avx alternative,
3281         use *x and Bm in the former and x and m in the latter one.
3282         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3283         alternatives.
3284
3285         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3286         first two alternatives to noavx, use *x instead of *v in the second
3287         one, add avx alternative without *.
3288         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3289         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3290         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3291
3292 2016-05-24  Jeff Law  <law@redhat.com>
3293
3294         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3295         New function, extracted from...
3296         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3297         Allow simple copies and constant initializations in the SSA chain.
3298
3299 2016-05-24  Marek Polacek  <polacek@redhat.com>
3300
3301         PR c/71249
3302         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3303         scope.
3304
3305 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3306
3307         PR c++/71257
3308         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3309         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3310         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3311         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3312         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3313
3314 2016-05-24  Richard Biener  <rguenther@suse.de>
3315
3316         PR tree-optimization/71240
3317         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3318         has integral type.
3319
3320 2016-05-24  Richard Biener  <rguenther@suse.de>
3321
3322         PR tree-optimization/71230
3323         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3324
3325 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3326
3327         * tree-vectorizer.h (vectorizable_comparison): Delete.
3328         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3329         PURE_SLP_STMT check.
3330         * tree-vect-stmts.c (vectorizable_call): Likewise.
3331         (vectorizable_simd_clone_call): Likewise.
3332         (vectorizable_conversion): Likewise.
3333         (vectorizable_assignment): Likewise.
3334         (vectorizable_shift): Likewise.
3335         (vectorizable_operation): Likewise.
3336         (vectorizable_load): Likewise.
3337         (vectorizable_condition): Likewise.
3338         (vectorizable_store): Likewise.  Assert that we don't have
3339         hybrid SLP.
3340         (vectorizable_comparison): Make static.  Remove redundant
3341         PURE_SLP_STMT check.
3342         (vect_transform_stmt): Assert that we always have an slp_node
3343         if PURE_SLP_STMT.
3344
3345 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3346
3347         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3348         operands[2] against 1 with comparison against CONST1_RTX.
3349         (<shift>di3_neon): Likewise.
3350         * config/arm/predicates.md (const0_operand): Replace with comparison
3351         against CONST0_RTX.
3352
3353 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3354
3355         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3356         operands[2] against 1 with comparison against CONST1_RTX.
3357         (ashrdi3): Likewise.
3358         (lshrdi3): Likewise.
3359         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3360         UINTVAL.
3361         (ashrsi3): Likewise.
3362         (lshrsi3): Likewise.
3363         (rotrsi3): Likewise.
3364         (define_split above *compareqi_eq0): Likewise.
3365         (define_split above "prologue"): Likewise.
3366         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3367         * config/arm/predicates.md (shift_operator): Likewise.
3368         (shift_nomul_operator): Likewise.
3369         (sat_shift_operator): Likewise.
3370         (thumb1_cmp_operand): Likewise.
3371         (const_neon_scalar_shift_amount_operand): Replace manual range
3372         check with IN_RANGE.
3373         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3374         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3375
3376 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3377
3378         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3379         with HOST_WIDE_INT_1.
3380         (insv): Likewise.
3381         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3382         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3383         (arm_canonicalize_comparison): Likewise.
3384         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3385         HOST_WIDE_INT_1.
3386         (thumb1_size_rtx_costs): Likewise.
3387         (vfp_const_double_index): Replace cast of 1 to unsigned
3388         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3389         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3390         HOST_WIDE_INT_1.
3391         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3392         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3393         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3394         HOST_WIDE_INT with HOST_WIDE_INT_1.
3395
3396 2016-05-24  Marek Polacek  <polacek@redhat.com>
3397
3398         * tree-cfg.h (should_remove_lhs_p): New predicate.
3399         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3400         * gimplify.c (gimplify_modify_expr): Likewise.
3401         * tree-cfg.c (verify_gimple_call): Likewise.
3402         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3403         * gimple-fold.c: Include "tree-cfg.h".
3404         (gimple_fold_call): Use should_remove_lhs_p.
3405
3406 2016-05-24  Richard Biener  <rguenther@suse.de>
3407
3408         PR tree-optimization/71253
3409         * cfganal.h (control_dependences): Make robust against edge
3410         and BB removal.
3411         (control_dependences::control_dependences): Remove edge_list argument.
3412         (control_dependences::get_edge): Remove.
3413         (control_dependences::get_edge_src): Add.
3414         (control_dependences::get_edge_dest): Likewise.
3415         (control_dependences::m_el): Make a vector of edge src/dest index.
3416         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3417         (control_dependences::control_dependences): Likewise.
3418         (control_dependences::~control_dependence): Likewise.
3419         (control_dependences::get_edge): Remove.
3420         (control_dependences::get_edge_src): Add.
3421         (control_dependences::get_edge_dest): Likewise.
3422         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3423         get_edge_src.
3424         (perform_tree_ssa_dce): Adjust.
3425         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3426         get_edge_src.
3427         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3428         conditional on changed.
3429
3430 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3431
3432         PR target/69857
3433         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3434         return.  Reindent transformation comment and mention the ARM state
3435         behavior.
3436
3437 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3438
3439         PR middle-end/71252
3440         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3441         after build_and_add_sum creates new use stmt.
3442
3443 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3444
3445         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3446         load_lanes/grouped_load classification comes first.  Don't check
3447         whether the vectorization factor is a multiple of the group size
3448         for load_lanes.
3449
3450 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3451
3452         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3453         GROUP_GAP for single-element interleaving.
3454         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3455         variable.
3456
3457 2016-05-24  Richard Biener  <rguenther@suse.de>
3458
3459         PR middle-end/70434
3460         PR c/69504
3461         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3462         bases which are accessed with non-invariant indices.
3463         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3464         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3465
3466 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3467
3468         PR middle-end/71170
3469         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3470         (add_to_ops_vec): Add stmt_to_insert.
3471         (add_repeat_to_ops_vec): Init stmt_to_insert.
3472         (insert_stmt_before_use): New.
3473         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3474         to ops vector.
3475         (get_ops): Init stmt_to_insert.
3476         (maybe_optimize_range_tests): Likewise.
3477         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3478         (rewrite_expr_tree_parallel): Likewise.
3479         (reassociate_bb): Likewise.
3480
3481 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3482
3483         PR target/71201
3484         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3485         ISA 3.0 xxperm fusion alternative.
3486         (altivec_vperm_v8hiv16qi): Likewise.
3487         (altivec_vperm_<mode>_uns_internal): Likewise.
3488         (vperm_v8hiv4si): Likewise.
3489         (vperm_v16qiv8hi): Likewise.
3490
3491 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3492             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3493
3494         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3495         vpermr/xxpermr on ISA 3.0.
3496         (altivec_expand_vec_perm_le): Likewise.
3497         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3498         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3499         ISA 3.0.
3500
3501 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3502
3503         * config/i386/i386.h (IS_STACK_MODE): Enable for
3504         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3505         SSE_FLOAT_MODE_P macros.
3506         * config/i386/i386.c (ix86_preferred_reload_class): Use
3507         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3508         Cleanup regclass processing for CONST_DOUBLE_P.
3509         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3510         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3511         with IS_STACK_MODE macro.
3512         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3513         with TARGET_SSE2.
3514         (*movdf_internal): Use IS_STACK_MODE macro.
3515         (*movsf_internal): Ditto.
3516
3517 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3518
3519         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3520         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3521
3522 2016-05-23  Jeff Law  <law@redhat.com>
3523
3524         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3525         extracted from ...
3526         (fsm_find_control_statement_thread_paths): Call it.
3527
3528 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3529
3530         PR ipa/71234
3531         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3532         from_global_constant if t is not NULL.
3533
3534 2016-05-23  Marek Polacek  <polacek@redhat.com>
3535
3536         PR c/49859
3537         * common.opt (Wswitch-unreachable): New option.
3538         * doc/invoke.texi: Document -Wswitch-unreachable.
3539         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3540         warning.
3541
3542 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3543
3544         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3545         TMR_INDEX is non-NULL.
3546
3547 2016-05-23  Richard Biener  <rguenther@suse.de>
3548
3549         PR tree-optimization/71230
3550         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3551         (try_special_add_to_ops): ... here.  Always test for single-use.
3552
3553 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3554
3555         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3556         default block if a PHI node in the original one would be resized.
3557
3558 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3559
3560         PR tree-optimization/58135
3561         * tree-vect-slp.c: When group size is not multiple
3562         of vector size, allow splitting of store group at
3563         vector boundary.
3564
3565 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3566
3567         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3568
3569 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3570
3571         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3572         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3573         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3574         of 64x2.
3575
3576         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3577         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3578         v constraint instead of x and vinserti32x4 insn.
3579
3580         * config/i386/sse.md (i128vldq): New mode iterator.
3581         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3582         avx512dq and avx512vl alternatives.
3583
3584         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3585         constraint, use maybe_evex prefix instead of vex.
3586         (vec_dupv4sf): Use v constraint instead of x for output
3587         operand except for noavx alternative, use Yv constraint
3588         instead of x for input.  Use maybe_evex prefix instead of vex.
3589         (*vec_dupv4si): Likewise.
3590         (*vec_dupv2di): Likewise.
3591
3592 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3593
3594         PR middle-end/40921
3595         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3596         (linearize_expr_tree): Call try_special_add_to_ops.
3597         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3598
3599 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3600
3601         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3602         to computed stack_usage.
3603
3604 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3605
3606         PR target/71103
3607         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3608         operand is subreg (symbol_ref) then move the symbol ref to register.
3609
3610 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3611
3612         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3613
3614 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3615
3616         PR middle-end/71179
3617         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3618         VECTOR type.
3619
3620 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3621
3622         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3623         ranges by calling get_single_symbol and tidy up.  Look more closely
3624         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3625
3626 2016-05-20  Jeff Law  <law@redhat.com>
3627
3628         * bitmap.c (bitmap_find_bit): Remove useless test.
3629
3630 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3631
3632         * function.c (thread_prologue_and_epilogue_insns): Commit the
3633         insertion of the epilogue.
3634
3635 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3636
3637         PR tree-optimization/70884
3638         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3639         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3640         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3641         of constant pool data as a reason for scalarization.
3642
3643 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3644
3645         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3646         for naked functions.
3647         (thumb1_expand_prologue): Likewise.
3648
3649 2016-05-20  Nathan Sidwell  <nathan@acm.org>
3650
3651         * config/nvptx/nptx.c (nvptx_option_override): Only set
3652         flag_toplevel_reorder, if not explicitly specified.  Set
3653         flag_no_common, unless explicitly specified.
3654
3655 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3656
3657         * calls.c (can_implement_as_sibling_call_p): Mark param
3658         reg_parm_stack_space with ATTRIBUTE_UNUSED.
3659
3660 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3661
3662         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3663         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3664         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3665         constants.
3666         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3667         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3668         and CASE_CONST_ANY.
3669
3670 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
3671
3672         * config/nvptx/nvptx.md (sincossf3): New pattern.
3673
3674 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3675
3676         * calls.c (maybe_complain_about_tail_call): New function.
3677         (initialize_argument_information): Call
3678         maybe_complain_about_tail_call when clearing *may_tailcall.
3679         (can_implement_as_sibling_call_p): Call
3680         maybe_complain_about_tail_call when returning false.
3681         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3682         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
3683         if tail-call optimization fails.
3684         * cfgexpand.c (expand_call_stmt): Initialize
3685         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3686         * gimple-pretty-print.c (dump_gimple_call): Dump
3687         gimple_call_must_tail_p.
3688         * gimple.c (gimple_build_call_from_tree): Call
3689         gimple_call_set_must_tail with the value of
3690         CALL_EXPR_MUST_TAIL_CALL.
3691         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3692         (gimple_call_set_must_tail): New function.
3693         (gimple_call_must_tail_p): New function.
3694         * print-tree.c (print_node): Update printing of TREE_STATIC
3695         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3696         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3697         trailing comment listing applicable flags.
3698         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3699
3700 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3701
3702         * calls.c (expand_call): Move "Rest of purposes for tail call
3703         optimizations to fail" to...
3704         (can_implement_as_sibling_call_p): ...this new function, and
3705         split into multiple "if" statements.
3706
3707 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3708
3709         * cfgloop.h (expected_loop_iterations_unbounded,
3710         expected_loop_iterations): Unconstify.
3711         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3712         profile with known upper bound; return 3 when profile is absent.
3713         (expected_loop_iterations): Update.
3714
3715 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3716
3717         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3718         and get_max_loop_iterations_int.
3719
3720 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3721
3722         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3723         realistic upper bounds here.
3724
3725 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3726
3727         PR c++/71210
3728         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3729         calls if the LHS is variable length or has addressable type.
3730         If targets[0]->decl is a noreturn call with void return type and
3731         zero arguments, adjust fntype and remove lhs in that case.
3732
3733 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
3734
3735         PR tree-optimization/71079
3736         PR tree-optimization/71206
3737         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3738
3739 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3740
3741         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3742         (get_vec_alignment_for_array_decl): Likewise.
3743         (get_vec_alignment_for_record_decl): Likewise.
3744         (increase_alignment::execute): Move code to find alignment to
3745         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3746         (type_align_map): New hash_map.
3747
3748 2016-05-20  Richard Guenther  <rguenther@suse.de>
3749
3750         PR tree-optimization/29756
3751         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3752         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3753         * fold-const.c (operand_equal_p): Likewise.
3754         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3755         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3756         * tree-inline.c (estimate_operator_cost): Likewise.
3757         * tree-pretty-print.c (dump_generic_node): Likewise.
3758         * tree-ssa-operands.c (get_expr_operands): Likewise.
3759         * cfgexpand.c (expand_debug_expr): Likewise.
3760         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3761         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3762         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3763         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3764         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3765         (execute_update_addresses_taken): Do it.
3766
3767 2016-05-20  Richard Biener  <rguenther@suse.de>
3768
3769         PR tree-optimization/71185
3770         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3771         register operations.
3772
3773 2016-05-20  Richard Biener  <rguenther@suse.de>
3774
3775         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3776         gimple_seq_add_seq_without_update.
3777         (release_bb_predicate): Assert we have no operands to free.
3778         (if_convertible_loop_p_1): Calculate post dominators later.
3779         Do not free BB predicates here.
3780         (combine_blocks): Do not recompute BB predicates.
3781         (version_loop_for_if_conversion): Save BB predicates around
3782         loop versioning.
3783
3784 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3785
3786         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3787         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
3788         code.  Ignore sibcalls on EDGE_IGNORE edges.
3789         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
3790         on edges for sibcalls that run without prologue.  The rest of the
3791         function is combined from...
3792         (fix_fake_fallthrough_edge): ... this, and ...
3793         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
3794         function argument, make it a local variable.
3795
3796 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
3797
3798         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3799         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3800         for 32-bit mode and SEH for 64-bit.
3801         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3802         TARGET_64BIT_DEFAULT.
3803
3804 2016-05-19  Ryan Burn  <contact@rnburn.com>
3805
3806         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3807         * gengtype.c (open_base_files): Add cilk.h to ifiles.
3808
3809 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
3810
3811         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3812         force pending loads from memory.
3813
3814 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3815
3816         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3817         (UNSPEC_DARN_32): New unspec constant.
3818         (UNSPEC_DARN_RAW): New unspec constant.
3819         (darn_32): New instruction.
3820         (darn_raw): New instruction.
3821         (darn): New instruction.
3822         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3823         support and documentation for this macro.
3824         (BU_P9_MISC_1): New macro definition.
3825         (BU_P9_64BIT_MISC_0): New macro definition.
3826         (BU_P9_MISC_0): New macro definition.
3827         (darn_32): New builtin definition.
3828         (darn_raw): New builtin definition.
3829         (darn): New builtin definition.
3830         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3831         RS6000_BUILTIN_0 directives to surround each occurrence of
3832         #include "rs6000-builtin.def".
3833         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3834         RS6000_BTM_64BIT flags to the returned mask, depending on
3835         configuration.
3836         (def_builtin): Correct an error in the assignments made to the
3837         debugging variable attr_string.
3838         (rs6000_expand_builtin): Add support for no-operand built-in
3839         functions.
3840         (builtin_function_type): Remove fatal_error assertion that is no
3841         longer valid.
3842         (rs6000_common_init_builtins): Add support for no-operand built-in
3843         functions.
3844         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3845         definition.
3846         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3847         definition.
3848         (RS6000_BTM_64BIT): New macro definition.
3849         * doc/extend.texi: Document __builtin_darn (void),
3850         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3851         functions.
3852
3853 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
3854
3855         * tree-vect-loop.c (vect_analyze_loop_2): Use also
3856         max_loop_iterations_int.
3857
3858 2016-05-19  Marek Polacek  <polacek@redhat.com>
3859
3860         PR tree-optimization/71031
3861         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3862         condition and adjust the code a bit.
3863
3864 2016-05-19  Martin Liska  <mliska@suse.cz>
3865
3866         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3867         auto_vec instead of vec.
3868
3869 2016-05-19  Martin Liska  <mliska@suse.cz>
3870
3871         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3872
3873 2016-05-19  Martin Liska  <mliska@suse.cz>
3874
3875         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3876
3877 2016-05-19  Martin Liska  <mliska@suse.cz>
3878
3879         * ipa-pure-const.c (set_function_state): Remove an existing
3880         funct_state.
3881         (remove_node_data): Do not free it as it's released
3882         in set_function_state.
3883
3884 2016-05-19  Martin Liska  <mliska@suse.cz>
3885
3886         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3887         bitmap.
3888
3889 2016-05-19  Martin Liska  <mliska@suse.cz>
3890
3891         * omp-simd-clone.c (simd_clone_adjust): Release vector.
3892
3893 2016-05-19  Martin Liska  <mliska@suse.cz>
3894
3895         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3896         an auto_vec instead of re-creating it.
3897
3898 2016-05-19  Martin Liska  <mliska@suse.cz>
3899
3900         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3901         auto_vec instead of vec.
3902
3903 2016-05-19  Martin Liska  <mliska@suse.cz>
3904
3905         * lto-section-in.c (lto_get_section_data): Call
3906         lto_check_version with additional argument.
3907         * lto-streamer.c (lto_check_version): Add new argument.
3908         * lto-streamer.h (lto_check_version): Likewise.
3909
3910 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3911
3912         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3913         Don't add cost of inner memory when handling sign-extended loads.
3914
3915 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
3916
3917         PR rtl-optimization/71148
3918         * cse.c (cse_main): Free dominance info.
3919         (rest_of_handle_cse): Don't free dominance info.
3920         (rest_of_handle_cse2): Likewise.
3921         (rest_of_handle_cse_after_global_opts): Likewise.
3922
3923 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3924
3925         PR target/71056
3926         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3927         NULL_TREE early if NEON is not available.  Remove now redundant check
3928         in ARM_CHECK_BUILTIN_MODE.
3929
3930 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
3931
3932         PR sanitizer/64354
3933         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3934         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3935         * doc/cpp.texi: Document new macros.
3936
3937 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
3938
3939         PR tree-optimization/69848
3940         * tree-vect-loop.c (vectorizable_reduction): Don't factor
3941         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3942
3943 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3944
3945         * function.c (thread_prologue_and_epilogue_insn): Move the
3946         "goto epilogue_done" one block later.
3947
3948 2016-05-19  Richard Biener  <rguenther@suse.de>
3949
3950         PR tree-optimization/70729
3951         * passes.def: Move LIM pass before PRE.  Remove no longer
3952         required copyprop and move first DCE out of the loop pipeline.
3953
3954 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
3955
3956         PR driver/69265
3957         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3958         (OBJS-libcommon-target): ...here.
3959         * opts-common.c: Include spellcheck.h.
3960         (cmdline_handle_error): Build a vec of valid options and use it
3961         to suggest provide hints for misspelled arguments.
3962
3963 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3964
3965         PR c++/71100
3966         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3967         lhs if it has TREE_ADDRESSABLE type.
3968
3969 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3970
3971         PR target/71145
3972         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3973         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3974
3975 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3976
3977         PR ipa/69708
3978         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3979         input for NOP_EXPR pass-through functions.
3980         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3981         aggregate global constant VAR_DECLs in constant jump functions.
3982
3983 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3984
3985         PR ipa/69708
3986         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3987         from TREE_READONLY parameters.
3988
3989 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3990
3991         PR ipa/69708
3992         * cgraph.h (cgraph_indirect_call_info): New field
3993         guaranteed_unmodified.
3994         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3995         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3996         appropriate.
3997         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3998         pass the parameter value to ipa_find_agg_cst_for_param.
3999         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
4000         guaranteed_unmodified, store AA results there instead of bailing out
4001         if present.
4002         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
4003         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
4004         (find_constructor_constant_at_offset): New function.
4005         (ipa_find_agg_cst_from_init): Likewise.
4006         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
4007         static initializers of contants, report back through a new paameter
4008         from_global_constant if that was the case.
4009         (try_make_edge_direct_simple_call): Also pass parameter value to
4010         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
4011         appropriate.
4012         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
4013         (ipa_read_indirect_edge_info): Likewise.
4014         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
4015         (ipa_load_from_parm_agg): Likewise.
4016
4017 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
4018
4019         PR rtl-optimization/71150
4020         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
4021         check.
4022
4023 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4024
4025         PR target/70915
4026         * config/rs6000/constraints.md (wE constraint): New constraint
4027         for a vector constant that can be loaded with XXSPLTIB.
4028         (wM constraint): New constraint for a vector constant of a 1's.
4029         (wS constraint): New constraint for a vector constant that can be
4030         loaded with XXSPLTIB and a vector sign extend instruction.
4031         * config/rs6000/predicates.md (xxspltib_constant_split): New
4032         predicates for wE/wS constraints.
4033         (xxspltib_constant_nosplit): Likewise.
4034         (easy_vector_constant): Add support for constants that can be
4035         loaded via XXSPLTIB.
4036         (all_ones_constant): New predicate for vector constant with all
4037         1's set.
4038         (splat_input_operand): Add support for ISA 3.0 word splat operations.
4039         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
4040         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
4041         instruction and possibly with a sign extension.
4042         (output_vec_const_move): Add support for XXSPLTIB. If we are
4043         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
4044         instead of XXLXOR/XXLORC.
4045         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
4046         operations.
4047         (rs6000_legitimize_reload_address): Likewise.
4048         (rs6000_output_move_128bit): Use output_vec_const_move to emit
4049         constants.
4050         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
4051         combine VSX_M and VSX_M2 into one iterator.
4052         (VSX_M2): Likewise.
4053         (VSINT_84): New iterators for loading constants with XXSPLTIB.
4054         (VSINT_842): Likewise.
4055         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
4056         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
4057         XXSPLTIB instruction.
4058         (xxspltib_<mode>_nosplit): Likewise.
4059         (xxspltib_<mode>_split): New insn to load up constants with
4060         XXSPLTIB and a sign extend instruction.
4061         (vsx_mov<mode>): Replace single move that handled all vector types
4062         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
4063         moves (when -mvsx-timode is in effect) into the main vector
4064         moves.  Eliminate separate moves for <VSr> <VSa>, where the
4065         preferred register class (<VSr>) is listed first, and the
4066         secondary register class (<VSa>) is listed second with a '?' to
4067         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
4068         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
4069         that if the register was involved in a slow operation, the
4070         clear/set operation does not wait for the slow operation to
4071         finish.  Adjust the length attributes for 32-bit mode.  Use
4072         rs6000_output_move_128bit and drop the use of the string
4073         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
4074         spacing so that the alternatives and attributes don't generate
4075         long lines, and put things in columns, so that it is easier to
4076         match up the operands and attributes with the insn alternatives.
4077         (vsx_mov<mode>_64bit): Likewise.
4078         (vsx_mov<mode>_32bit): Likewise.
4079         (vsx_movti_64bit): Fold movti into normal vector moves.
4080         (vsx_movti_32bit): Likewise.
4081         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
4082         splat instructions.
4083         (vsx_splat_v4si_internal): Likewise.
4084         (vsx_splat_v4sf_internal): Likewise.
4085         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
4086         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
4087         extend vector elements.
4088         (vsx_sign_extend_hi_<mode>): Likewise.
4089         (vsx_sign_extend_si_v2di): Likewise.
4090         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
4091         declaration.
4092         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
4093         constraints.  Add trailing period to wL documentation.
4094
4095 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
4096
4097         PR middle-end/71020
4098         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
4099         * tree-dfa.c (replace_abnormal_ssa_names): New function.
4100         * tree-call-cdce.c: Include tree-dfa.h.
4101         (can_guard_call_p): New function, extracted from...
4102         (can_use_internal_fn): ...here.
4103         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
4104         and return void.
4105         (shrink_wrap_one_built_in_call): Likewise.
4106         (use_internal_fn): Likewise.
4107         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
4108         and return void.  Call replace_abnormal_ssa_names.
4109         (pass_call_cdce::execute): Check can_guard_call_p during the
4110         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
4111         will always change something.
4112
4113 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4114
4115         PR ipa/70646
4116         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4117         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4118
4119 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4120
4121         PR ipa/70646
4122         * ipa-inline.h (condition): New field size.
4123         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4124         for comaprison and store it into the new condition.
4125         (evaluate_conditions_for_known_args): Use condition size to check
4126         access sizes for all but CHANGED conditions.
4127         (unmodified_parm_1): New parameter size_p, store access size into it.
4128         (unmodified_parm): Likewise.
4129         (unmodified_parm_or_parm_agg_item): Likewise.
4130         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4131         (set_cond_stmt_execution_predicate): Extract access sizes and store
4132         them to conditions.
4133         (set_switch_stmt_execution_predicate): Likewise.
4134         (will_be_nonconstant_expr_predicate): Likewise.
4135         (will_be_nonconstant_predicate): Likewise.
4136         (inline_read_section): Stream condition size.
4137         (inline_write_summary): Likewise.
4138
4139 2016-05-18  Richard Biener  <rguenther@suse.de>
4140
4141         * tree-ssa-loop-im.c (determine_max_movement): Properly add
4142         condition cost to PHI cost instead of total_cost.
4143
4144 2016-05-18  Martin Liska  <mliska@suse.cz>
4145
4146         PR fortran/70856
4147         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4148         merged variables.
4149
4150 2016-05-18  Richard Biener  <rguenther@suse.de>
4151
4152         * lto-streamer.h (LTO_major_version): Bump to 6.
4153
4154 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4155
4156         * function.c (make_split_prologue_seq, make_prologue_seq,
4157         make_epilogue_seq): New functions, factored out from...
4158         (thread_prologue_and_epilogue_insns): Here.
4159
4160 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4161
4162         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
4163         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
4164         of before.  Add a comment.
4165
4166 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
4167
4168         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
4169         expression pointer, not pointer to the pointer.
4170
4171 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4172
4173         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
4174         (avx2_pbroadcast<mode>): Add another alternative with v instead
4175         of x constraints in it, using <pbroadcast_evex_isa> isa.
4176         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
4177
4178         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
4179         constraint x instead of v in second alternative, add avx512bw
4180         alternative.
4181
4182         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
4183         constraint x instead of v in second alternative, add avx512bw
4184         alternative.
4185
4186         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
4187         constraint x instead of v in second alternative, add avx512bw
4188         alternative.
4189
4190         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
4191         avx512bw alternative.
4192
4193 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4194
4195         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
4196         array to 128 chars.
4197         (define_insn "*andnottf3"): Ditto.
4198         (define_insn "*<code><mode>3"/any_logic): Ditto.
4199         (define_insn "*<code>tf3"/any_logic): Ditto.
4200         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
4201         operand to block AVX-512VL insn variant emit when it is not enabled.
4202
4203 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4204
4205         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4206         constraint fot SF mode.
4207
4208 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4209             Kirill Yukhin  <kirill.yukhin@intel.com>
4210
4211         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4212         modifiers.
4213         (define_insn "rsqrt14<mode>"): Ditto.
4214         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4215         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4216         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4217         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4218         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4219         Ditto.
4220         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4221         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4222         * config/i386/i386.c (ix86_print_operand): Expand check for size
4223         override codes for Intel syntax.
4224
4225 2016-05-18  Richard Biener  <rguenther@suse.de>
4226
4227         PR tree-optimization/71168
4228         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4229         initialization earlier.
4230
4231 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4232
4233         * config/aarch64/aarch64-simd.md
4234         (aarch64_reduc_plus_internal<mode>): Rename to...
4235         (reduc_plus_scal): ...This, and remove previous implementation.
4236
4237 2016-05-18  Richard Biener  <rguenther@suse.de>
4238
4239         * passes.def: Put late dse and cd_dce in canonical order.
4240
4241 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4242
4243         * ipa-inline-transform.c (preserve_function_body_p): Look for
4244         first non-thunk clone.
4245         (save_function_body): Save into first non-thunk.
4246         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4247         up call stmt id.
4248         (lto_output_node): Inline thunks don't need body in every
4249         partition.
4250         * lto-streamer-in.c: Do not fixup thunk clones.
4251         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4252         thunks.
4253         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4254         folding suceeds.
4255
4256 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4257
4258         PR middle-end/63586
4259         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4260         (reassociate_bb): Call transform_add_to_multiply.
4261
4262 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4263
4264         * config/aarch64/aarch64.c (all_extensions): Removed unused
4265         static variable.
4266
4267 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4268
4269         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4270         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4271
4272 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4273
4274         PR tree-optimization/54579
4275         PR middle-end/55299
4276         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4277
4278 2016-05-17  Marek Polacek  <polacek@redhat.com>
4279
4280         PR ipa/71146
4281         * tree-inline.c (expand_call_inline): Call
4282         maybe_remove_unused_call_args.
4283
4284 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4285
4286         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4287         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4288         * doc/md.texi (fmin@var{m}3): Likewise.
4289
4290 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4291
4292         * match.pd (X & C): New transformation.
4293
4294 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4295
4296         * match.pd (~X & Y): New transformation.
4297
4298 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4299
4300         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4301         information for new SSA_NAME.
4302         (simplify_conversion_using_ranges): Get range through get_range_info
4303         instead of get_value_range.
4304
4305 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4306
4307         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4308         Remove inline assembly.
4309         (vmvn_s16): Likewise.
4310         (vmvn_s32): Likewise.
4311         (vmvn_u8): Likewise.
4312         (vmvn_u16): Likewise.
4313         (vmvn_u32): Likewise.
4314         (vmvnq_s8): Likewise.
4315         (vmvnq_s16): Likewise.
4316         (vmvnq_s32): Likewise.
4317         (vmvnq_u8): Likewise.
4318         (vmvnq_u16): Likewise.
4319         (vmvnq_u32): Likewise.
4320         (vmvn_p8): Likewise.
4321         (vmvnq_p16): Likewise.
4322
4323 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4324
4325         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4326         Use builtin.
4327         (vmul_n_s16): Likewise.
4328         (vmul_n_s32): Likewise.
4329         (vmul_n_u16): Likewise.
4330         (vmul_n_u32): Likewise.
4331         (vmulq_n_f32): Likewise.
4332         (vmulq_n_f64): Likewise.
4333         (vmulq_n_s16): Likewise.
4334         (vmulq_n_s32): Likewise.
4335         (vmulq_n_u16): Likewise.
4336         (vmulq_n_u32): Likewise.
4337
4338 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4339
4340         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4341         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4342
4343 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4344
4345         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4346         to *aarch64_fma4_elt_from_dup<mode>.
4347         (*aarch64_fnma4_elt_to_128df): Rename to
4348         *aarch64_fnma4_elt_from_dup<mode>.
4349         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4350         (vfms_n_f32): Likewise.
4351         (vfms_n_f64): Likewise.
4352         (vfmsq_n_f32): Likewise.
4353         (vfmsq_n_f64): Likewise.
4354
4355 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4356
4357         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4358
4359 2016-05-17  Richard Biener  <rguenther@suse.de>
4360
4361         PR tree-optimization/71132
4362         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4363         Only add control dependences for blocks in the loop.
4364         (build_rdg): Adjust.
4365         (generate_code_for_partition): Return whether loop should
4366         be destroyed and delay that.
4367         (distribute_loop): Likewise.
4368         (pass_loop_distribution::execute): Record loops to be destroyed
4369         and perform delayed destroying of loops.
4370
4371 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4372
4373         PR target/70809
4374         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4375
4376 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4377
4378         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4379
4380 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4381
4382         PR target/71114
4383         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4384         insertion point for instructions generated by validize_mem.
4385
4386 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4387
4388         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4389         in brackets.
4390
4391 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4392
4393         * config/aarch64/aarch64.c
4394         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4395         rather than a macro.
4396
4397 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4398
4399         * doc/invoke.texi (AArch64 Options): Various updates.
4400
4401 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4402
4403         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4404         into instrumentation thunks.
4405         * cif-code.def (CIF_CHKP): New.
4406
4407 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4408
4409         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4410
4411 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4412
4413         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4414         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4415
4416 2016-05-16  Marek Polacek  <polacek@redhat.com>
4417
4418         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4419         commentary.
4420
4421 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4422
4423         PR hsa/70857
4424         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4425         the outlined kernel function.
4426
4427 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4428
4429         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4430         (ISA_HAS_DLSA): Ditto.
4431
4432 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4433
4434         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4435
4436 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4437
4438         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4439         (nvptx_name_replacement): Restore.  Add comment.
4440         (write_fn_proto, write_fn_proto_from_insn,
4441         nvptx_output_call_insn): Restore
4442         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4443
4444 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4445
4446         * config/aarch64/aarch64.md
4447         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4448         (add<mode>3_compareC_imm): Likewise.
4449         (<optab>si3_uxtw): Split into register and immediate variants.
4450         (andsi3_compare0_uxtw): Likewise.
4451         (and<mode>3_compare0): Likewise.
4452         (and<mode>3nr_compare0): Likewise.
4453         (stack_protect_test_<mode>): Don't use %x for memory operands.
4454
4455 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4456
4457         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4458
4459 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4460
4461         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4462         Split integer shifts into shift_reg and bfm.
4463         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4464         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4465         (ror<mode>3_insn): Likewise.
4466         (<optab>si3_insn_uxtw): Likewise.
4467         (<optab><mode>3_insn): Change to rotate_imm.
4468         (extr<mode>5_insn_alt): Likewise.
4469         (extrsi5_insn_uxtw): Likewise.
4470         (extrsi5_insn_uxtw_alt): Likewise.
4471
4472 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4473
4474         * doc/tm.texi: Regenerate.
4475         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4476         (TARGET_INVALID_RETURN_TYPE): Remove.
4477         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4478         TARGET_INVALID_RETURN_TYPE.
4479         * target.def (invalid_parameter_type): Remove.
4480         (invalid_return_type): Remove.
4481
4482 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4483
4484         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4485         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4486         calls from thunk.
4487         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4488         gimple body.
4489         (preserve_function_body_p): No need to preserve function body
4490         * cif-codes.def (CIF_THUNK): Remove.
4491         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4492
4493 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4494
4495         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4496
4497 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4498
4499         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4500         for thunks.
4501
4502 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4503
4504         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4505         (inline_small_functions): Do not look for function symbol when
4506         resetting caches.
4507
4508 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4509
4510         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4511         of inline thunks
4512
4513 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4514             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4515             Jiong Wang  <jiong.wang@arm.com>
4516
4517         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4518         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4519         Define __ARM_FP16_ARGS when appropriate.
4520         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4521         declaration.
4522         (arm_invalid_return_type): Likewise.
4523         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4524         (TARGET_INVALID_RETURN_TYPE): Remove.
4525         (aapcs_vfp_sub_candidate): Allow HFmode.
4526         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4527         (aapcs_vfp_allocate_return_reg): Likewise.
4528         (struct aapcs_cp_arg_layout): Slightly reword comments for
4529         is_return_candidate and allocate_return_reg.
4530         (output_mov_vfp): Update assert.
4531         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4532         condition.
4533         (arm_invalid_parameter_type): Remove.
4534         (amr_invalid_return_type): Remove.
4535         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4536         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4537         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4538
4539 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4540
4541         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4542         * config/aarch64/arch64-protos.h
4543         (aarch64_legitimize_reload_address): Remove.
4544         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4545         Remove.
4546
4547 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4548
4549         * configure.ac: Add ACX_NONCANONICAL_HOST.
4550         * configure: Regenerate.
4551         * Makefile.in: Set host_noncanonical.
4552
4553 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4554
4555         PR target/71097
4556         * config/i386/i386.md (*movtf_internal): Before register allocation,
4557         do not allow FP constants for CM_MEDIUM memory model, allow only
4558         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4559         (*movxf_internal): Ditto.
4560         (*movdf_internal): Ditto.
4561         (*movsf_internal): Ditto.
4562
4563 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4564
4565         PR rtl-optimization/67483
4566         * combine.c (make_compound_operation): Don't call extract_left_shift
4567         with negative shift amounts.
4568
4569 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4570
4571         PR bootstrap/71071
4572         * fold-const.c (fold_checksum_tree): Allow modification
4573         of TYPE_ALIAS_SET during folding.
4574
4575         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4576         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4577         (ix86_split_to_parts): Likewise.  Fix up formatting.
4578
4579 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4580
4581         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4582         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4583         printf format.
4584
4585 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4586
4587         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4588         (nvptx_name_replacement): Delete.
4589         (write_fn_proto, write_fn_proto_from_insn,
4590         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4591         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4592         * langhooks.c (add_builtin_funcction_common): Call
4593         targetm.mangle_decl_assembler_name.
4594
4595         * config/nvptx/nvptx.c (write_fn_proto): Handle
4596         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4597
4598 2016-05-13  Martin Liska  <mliska@suse.cz>
4599
4600         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4601         and PRIu64 in printf format.
4602
4603 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4604
4605         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4606         comment.
4607
4608 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4609
4610         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4611         Change --param max-completely-peeled-times to
4612         --param max-completely-peel-times in dump file printing.
4613
4614 2016-05-13  Richard Biener  <rguenther@suse.de>
4615
4616         PR tree-optimization/42587
4617         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4618         (find_bswap_or_nop_1): Likewise.
4619         (bswap_replace): Likewise.
4620
4621 2016-05-13  Martin Liska  <mliska@suse.cz>
4622
4623         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4624         Initialize a variable with default value.
4625
4626 2016-05-13  Martin Liska  <mliska@suse.cz>
4627
4628         * doc/invoke.texi: Enhance explanation of error recovery
4629         of sanitizers.
4630
4631 2016-05-13  Martin Liska  <mliska@suse.cz>
4632
4633         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4634         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4635         (iv_inv_expr_ent *).
4636         (struct iv_inv_expr_ent): Comment struct fields.
4637         (sort_iv_inv_expr_ent): New function.
4638         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4639         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4640         a hash_map between iv_inv_expr_ent and number of usages.
4641         (niter_for_exit): Fix coding style.
4642         (tree_ssa_iv_optimize_init): Use renamed variable.
4643         (determine_base_object): Fix coding style.
4644         (alloc_iv): Likewise.
4645         (find_interesting_uses_outside): Likewise.
4646         (add_candidate_1): Likewise.
4647         (add_standard_iv_candidates): Likewise.
4648         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4649         (prepare_decl_rtl): Fix coding style.
4650         (get_address_cost): Likewise.
4651         (get_shiftadd_cost): Likewise.
4652         (force_expr_to_var_cost): Likewise.
4653         (compare_aff_trees): Likewise.
4654         (get_expr_id): Restructure the function.
4655         (get_loop_invariant_expr_id): Renamed to
4656         get_loop_invariant_expr.
4657         (get_computation_cost_at): Replace usage of inv_expr_id with
4658         inv_expr.
4659         (get_computation_cost): Likewise.
4660         (determine_group_iv_cost_generic): Likewise.
4661         (determine_group_iv_cost_address): Likewise.
4662         (iv_period): Fix coding style.
4663         (iv_elimination_compare_lt): Likewise.
4664         (may_eliminate_iv): Likewise.
4665         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
4666         inv_expr.
4667         (determine_group_iv_costs): Dump invariant expressions.
4668         (iv_ca_recount_cost): Use the newly added hash_map.
4669         (iv_ca_set_remove_invariants): Fix coding style.
4670         (iv_ca_set_add_invariants): Fix coding style.
4671         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4672         invariants.
4673         (iv_ca_set_cp): Likewise.
4674         (iv_ca_new): Initialize the newly added hash_map and remove
4675         initialization of fields.
4676         (iv_ca_free): Delete the hash_map.
4677         (iv_ca_dump): Dump invariant expressions.
4678         (iv_ca_extend): Fix coding style.
4679         (try_add_cand_for): Likewise.
4680         (create_new_ivs): Dump information about # of avg iterations and
4681         # of used invariant expressions.
4682         (rewrite_use_compare): Fix coding style.
4683         (free_loop_data): Set default value for max_inv_expr_id.
4684
4685 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4686
4687         * cse.c (rest_of_handle_cse): Use cleanup_cfg
4688         returned value cse_cfg_altered computation.
4689         (rest_of_handle_cse2): Likewise.
4690         (rest_of_handle_cse_after_global_opts): Likewise.
4691
4692 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4693
4694         PR target/53440
4695         * config/arm/arm.c (arm32_output_mi_thunk): New.
4696         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4697         to split Thumb1 vs TARGET_32BIT functionality.
4698         (arm_thumb1_mi_thunk): New.
4699
4700 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4701
4702         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4703         to true.
4704
4705 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4706
4707         PR target/71080
4708         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4709
4710 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
4711
4712         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4713         (expand_builtin_trap): Emit a regular call.
4714         (set_builtin_user_assembler_name): Remove obsolete cases.
4715         * dse.c (scan_insn): Adjust.
4716         * except.c: Include calls.h.
4717         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4718         emit a regular call to setjmp.
4719         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4720         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4721         (emit_block_move_via_libcall): Delete.
4722         (block_move_fn): Delete.
4723         (init_block_move_fn): Likewise.
4724         (emit_block_move_libcall_fn): Likewise.
4725         (emit_block_op_via_libcall): New function.
4726         (set_storage_via_libcall): Tidy up and use memset builtin.
4727         (block_clear_fn): Delete.
4728         (init_block_clear_fn): Likewise.
4729         (clear_storage_libcall_fn): Likewise.
4730         (expand_assignment): Call emit_block_move_via_libcall.
4731         Do not include gt-expr.h.
4732         * expr.h (emit_block_op_via_libcall): Declare.
4733         (emit_block_copy_via_libcall): New inline function.
4734         (emit_block_move_via_libcall): Likewise.
4735         (emit_block_comp_via_libcall): Likewise.
4736         (block_clear_fn): Delete.
4737         (init_block_move_fn): Likewise.
4738         (init_block_clear_fn): Likewise.
4739         (emit_block_move_via_libcall): Likewise.
4740         (set_storage_via_libcall): Add default parameter value.
4741         * libfuncs.h (enum libfunc_index): Remove obsolete values.
4742         (abort_libfunc): Delete.
4743         (memcpy_libfunc): Likewise.
4744         (memmove_libfunc): Likewise.
4745         (memcmp_libfunc): Likewise.
4746         (memset_libfunc): Likewise.
4747         (setbits_libfunc): Likewise.
4748         (setjmp_libfunc): Likewise.
4749         (longjmp_libfunc): Likewise.
4750         (profile_function_entry_libfunc): Likewise.
4751         (profile_function_exit_libfunc): Likewise.
4752         (gcov_flush_libfunc): Likewise.
4753         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4754         and DECL_VISIBILITY on the declaration.
4755         (init_optabs): Do not initialize obsolete libfuncs.
4756         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4757         * tree-core.h (ECF_RET1): Define.
4758         (ECF_TM_PURE): Adjust.
4759         (ECF_TM_BUILTIN): Likewise.
4760         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4761         (build_common_builtin_nodes): Initialize abort builtin.
4762         Add ECF_RET1 on memcpy, memmove and memset builtins.
4763         Pass final flags for alloca and alloca_with_align builtins.
4764         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4765         obsolete builtins.
4766         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4767         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4768         set_storage_via_libcall and call emit_block_copy_via_libcall.
4769
4770 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
4771
4772         * config/i386/i386.md (*call_got_x32): Change operand 0 to
4773         DImode before it is passed to ix86_output_call_operand.
4774         (*call_value_got_x32): Ditto for operand 1.
4775
4776 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
4777
4778         PR rtl-optimization/70904
4779         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4780         reload for wide mode.
4781
4782 2016-05-12  Marek Polacek  <polacek@redhat.com>
4783
4784         PR c/70756
4785         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4786         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4787         * langhooks.h (incomplete_type_error): Likewise.
4788         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
4789         parameter, pass it down to incomplete_type_error.
4790         * tree.h (size_in_bytes): New inline overload.
4791         (size_in_bytes_loc): Renamed from size_in_bytes.
4792
4793 2016-05-12  Richard Biener  <rguenther@suse.de>
4794
4795         PR tree-optimization/71059
4796         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4797         nary before looking up or entering the expression into the VN
4798         hashes.
4799         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4800         Make sure to re-use NARYs without result as inserted by
4801         phi-translation.
4802
4803 2016-05-12  Richard Biener  <rguenther@suse.de>
4804
4805         PR tree-optimization/71062
4806         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4807         field.
4808         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4809         vars_contains_restrict if the var is a restrict tag.
4810         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4811         do not disambiguate pointers against it.
4812         (dump_points_to_solution): Re-structure and adjust for new
4813         vars_contains_restrict flag.
4814         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4815
4816 2016-05-12  Martin Liska  <mliska@suse.cz>
4817
4818         * doc/invoke.texi: Explain connection between
4819         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4820
4821 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
4822
4823         PR tree-optimization/71006
4824         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4825         consider COND_EXPR as a mask producer.
4826
4827 2016-05-12  Marek Polacek  <polacek@redhat.com>
4828
4829         PR driver/71063
4830         * opts.c (common_handle_option): Detect missing argument for --help^.
4831
4832 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4833
4834         PR target/70830
4835         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4836         when popping the PC and within an interrupt handler routine.
4837         Add missing tab to output of "ldmfd".
4838         (output_return_instruction): Output LDMFD with SP update rather
4839         than POP when returning from interrupt handler.
4840
4841 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
4842
4843         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4844         TARGET_64BIT && TARGET_AVX512DQ.
4845         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4846         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4847         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4848         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4849         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4850         (*vec_extractv4si_zext): Add avx512dq alternative.
4851         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4852         use v instead of x constraint in other alternatives where possible.
4853
4854         * config/i386/sse.md (sse2_loadld): Use v instead of x
4855         constraint in alternatives 0,1,4.
4856
4857         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4858         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4859         v constraints instead of x and <pinsr_evex_isa> isa attribute.
4860
4861         PR target/71019
4862         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4863         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4864         is not emitted unless TARGET_AVX512BW.
4865         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4866         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4867         for the result operand.
4868
4869         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4870         constraint instead of x in avx alternatives.  Use maybe_evex instead
4871         of vex prefix.
4872
4873         * config/i386/constraints.md (Yv): New constraint.
4874         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4875         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4876         * config/i386/i386.md (avx512fvecmode): New mode attr.
4877         (*pushtf): Use v constraint instead of x.
4878         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
4879         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4880         (*absneg<mode>2): Use Yv constraint instead of x constraint.
4881         (*absnegtf2_sse): Likewise.
4882         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4883         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4884         avx512f alternatives.
4885         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4886
4887 2016-05-12  Richard Biener  <rguenther@suse.de>
4888
4889         PR tree-optimization/71060
4890         * tree-data-ref.c (initialize_data_dependence_relation): Do not
4891         require exact match of DR_BASE_OBJECT but only matching address and
4892         type.
4893
4894 2016-05-12  Richard Biener  <rguenther@suse.de>
4895
4896         PR tree-optimization/70986
4897         * cfganal.c: Include cfgloop.h.
4898         (dfs_find_deadend): Prefer to take edges exiting loops.
4899
4900 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4901
4902         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4903         compile and run time.
4904
4905 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4906
4907         PR c/43651
4908         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4909
4910 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
4911
4912         * config/i386/i386.c (legitimize_pic_address): Use
4913         copy_to_suggested_reg instead of gen_movsi.
4914
4915 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4916
4917         * config/rs6000/predicates.md (quad_memory_operand): Move most of
4918         the code into quad_address_p and call it to share code with
4919         vsx_quad_dform_memory_operand.
4920         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4921         d-form support.
4922         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4923         bit instead of being a separate word.  Split -mpower9-dform into
4924         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4925         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4926         for the register class supporting 128-bit quad word memory offsets.
4927         (mode_supports_vsx_dform_quad): Helper function to return if the
4928         register class uses quad word memory offsets.
4929         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4930         (rs6000_debug_reg_global): Always print if we are using LRA or not.
4931         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4932         instructions are enabled, set up the appropriate addr_masks for
4933         128-bit types.
4934         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4935         -mpower9-dform-scalar, instead of -mpower9-dform.
4936         (rs6000_option_override_internal): Split -mpower9-dform into two
4937         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
4938         -mpower9-dform switch sets or clears both.  If we are not using
4939         the LRA register allocator, do not enable -mpower9-dform-vector by
4940         default.  If we are using LRA, enable -mpower9-dform-vector and
4941         -mvsx-timode if it is appropriate.  Issue a warning if either
4942         -mpower9-dform-vector or -mvsx-timode are explicitly used without
4943         enabling LRA.
4944         (quad_address_offset_p): New helper function to return if the
4945         offset is legal for quad word memory instructions.
4946         (quad_address_p): New function to determin if GPR or vector
4947         register quad word memory addresses are legal.
4948         (mem_operand_gpr): Validate quad word address offsets.
4949         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4950         d-form (register + offset) instructions.
4951         (offsettable_ok_by_alignment): Likewise.
4952         (rs6000_legitimate_offset_address_p): Likewise.
4953         (legitimate_lo_sum_address_p): Likewise.
4954         (rs6000_legitimize_address): Likewise.
4955         (rs6000_legitimize_reload_address): Add more debug statements for
4956         -mdebug=addr.
4957         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4958         d-form instructions.
4959         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4960         d-form instructions.  Distinguish different cases in debug
4961         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4962         d-form instructions.
4963         (rs6000_preferred_reload_class): Likewise.
4964         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4965         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
4966         of the ISA 2.06 indexed memory instructions.
4967         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4968         use them to save/restore the saved vector registers instead of
4969         using Altivec instructions.
4970         (rs6000_emit_epilogue): Likewise.
4971         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4972         (rs6000_opt_masks): Split -mpower9-dform into
4973         -mpower9-dform-scalar and -mpower9-dform-vector.
4974         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4975         was not selected.
4976         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4977         ISA 3.0 vector indexed memory instructions, and fold the code into
4978         the normal mov<mode> patterns.
4979         (p9_vecstore_<mode>): Likewise.
4980         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4981         instructions.
4982         (vsx_movti_64bit): Likewise.
4983         (vsx_movti_32bit): Likewise.
4984         * config/rs6000/constraints.md (wO constraint): New constraint for
4985         ISA 3.0 vector d-form support.
4986         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4987         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
4988         include -mpower9-dform-vector until we switch over to LRA.
4989         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4990         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4991         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4992         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4993         for -mpower9-dform and -mlra.
4994         * doc/md.texi (wO constraint): Document wO constraint.
4995
4996 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
4997
4998         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4999         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
5000         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
5001         Move handling of non-insn arguments inline into the sole user:
5002         (output_trans_func): ...here.
5003         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
5004         in emitted function prototype.
5005         (output_internal_insn_latency_func): Ditto.  Simplify.
5006         (output_internal_maximal_insn_latency_func): Ditto.  Delete
5007         always-unused argument.
5008         (output_insn_latency_func): Ditto.
5009         (output_maximal_insn_latency_func): Ditto.
5010
5011 2016-05-11  Richard Biener  <rguenther@suse.de>
5012
5013         PR tree-optimization/71055
5014         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
5015         sth with precision not equal to access size verify we don't chop
5016         off bits.
5017
5018 2016-05-11  Richard Biener  <rguenther@suse.de>
5019
5020         PR debug/71057
5021         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
5022         (dwarf2out_finish): Move retry_incomplete_types call ...
5023         (dwarf2out_early_finish): ... here.
5024
5025 2016-05-11  Richard Biener  <rguenther@suse.de>
5026
5027         PR middle-end/71002
5028         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
5029         if the langhook insists on it.
5030         * fold-const.c (make_bit_field_ref): Add arg for the original
5031         reference and preserve its alias-set.
5032         (decode_field_reference): Take exp by reference and adjust it
5033         to the original memory reference.
5034         (optimize_bit_field_compare): Adjust callers.
5035         (fold_truth_andor_1): Likewise.
5036         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
5037
5038 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
5039
5040         PR middle-end/70807
5041         * cfgrtl.h (delete_insn_and_edges): Now return bool.
5042         * cfgrtl.c (delete_insn_and_edges): Likewise.
5043         * config/i386/i386.c (convert_scalars_to_vector): Remove
5044         redundant code.
5045         * cse.c (cse_insn): Compute cse_cfg_altered.
5046         (delete_trivially_dead_insns): Likewise.
5047         (cse_cc_succs): Likewise.
5048         (rest_of_handle_cse): Free dominance info if required.
5049         (rest_of_handle_cse2): Likewise.
5050         (rest_of_handle_cse_after_global_opts): Likewise.
5051
5052 2016-05-11  Alan Modra  <amodra@gmail.com>
5053
5054         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
5055         abi_v4_pass_in_fpr): New functions.
5056         (rs6000_function_arg_boundary): Exclude complex IBM long double
5057         from 64-bit alignment when ABI_V4.
5058         (rs6000_function_arg, rs6000_function_arg_advance_1,
5059         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
5060
5061 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
5062
5063         PR rtl-optimization/71028
5064         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
5065         jump with just a return in the fallthrough block if the branch
5066         block contains just a return as well.
5067
5068 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
5069
5070         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
5071         * match.pd ((X & Y) ^ Y): ... this.
5072         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
5073         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
5074
5075 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5076
5077         * read-md.c (require_char_ws): New function.
5078         (read_string): Simplify using require_char_ws.
5079         (handle_constants): Likewise.
5080         (handle_enum): Likewise.
5081         (handle_file): Likewise.
5082         * read-md.h (require_char_ws): New declaration.
5083         * read-rtl.c (read_conditions): Simplify using require_char_ws.
5084         (read_mapping): Likewise.
5085         (read_rtx_code): Likewise.
5086         (read_nested_rtx): Likewise.
5087
5088 2016-05-10  James Norris  <jnorris@codesourcery.com>
5089
5090         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
5091         if offloading is enabled and -fopenacc or -fopenmp is specified.
5092         (CRTOFFLOADEND): Likewise.
5093         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
5094         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
5095
5096 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
5097
5098         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
5099         gotoff_operand code paths.  Use copy_to_suggested_regs and
5100         expand_simple_binop where appropriate.  Cleanup.
5101
5102 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5103
5104         PR target/70799
5105         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
5106         integer constants.
5107         (dimode_scalar_chain::vector_const_cost): New.
5108         (dimode_scalar_chain::compute_convert_gain): Handle constants.
5109         (dimode_scalar_chain::convert_op): Likewise.
5110         (dimode_scalar_chain::convert_insn): Likewise.
5111
5112 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5113
5114         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
5115         unary operation, not a binary one.
5116
5117 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5118
5119         PR middle-end/70877
5120         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
5121         calls with type casted fndecl.
5122
5123 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5124
5125         PR tree-optimization/70786
5126         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
5127         * calls.c (initialize_argument_information): Bind bounds
5128         with corresponding args passed by reference.
5129
5130 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
5131
5132         PR target/70927
5133         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
5134         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
5135         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
5136         accordingly.
5137
5138 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5139
5140         PR target/70963
5141         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
5142         code for a zero scale factor.
5143         (vsx_xvcvdpuxds_scale): Likewise.
5144
5145 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5146
5147         * diagnostic-show-locus.c (layout::layout): Call show_ruler
5148         if show_ruler_p was set on the context.
5149         (layout::show_ruler): New method.
5150         * diagnostic.h (struct diagnostic_context): Add field
5151         "show_ruler_p".
5152
5153 2016-05-10  Richard Biener  <rguenther@suse.de>
5154
5155         PR tree-optimization/71039
5156         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
5157         (chk_uses): New function.
5158         (propagate_with_phi): Verify we can safely replicate the lhs of an
5159         aggregate assignment on all incoming edges.
5160
5161 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
5162
5163         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
5164         Forward declare.
5165         (rx_atomic_sequence): New class.
5166         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
5167         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
5168         non-inline.
5169         (rx_atomic_sequence::rx_atomic_sequence,
5170         rx_atomic_sequence::~rx_atomic_sequence): New functions.
5171         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
5172         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
5173         CTRLREG_INTB): New constants.
5174         (FETCHOP): New code iterator.
5175         (fethcop_name, fetchop_name2): New iterator code attributes.
5176         (QIHI): New mode iterator.
5177         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
5178         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
5179         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
5180
5181 2016-05-10  Martin Liska  <mliska@suse.cz>
5182
5183         * tree-inline.c (remap_dependence_clique): Do not remap
5184         debugging statements.
5185
5186 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5187
5188         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
5189         ("*fixuns_truncdfdi2_z13")
5190         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
5191         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
5192         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
5193
5194 2016-05-10  Richard Biener  <rguenther@suse.de>
5195
5196         PR tree-optimization/70497
5197         PR tree-optimization/28367
5198         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
5199         split out from ...
5200         (visit_reference_op_load): ... here.
5201         (vn_reference_lookup_3): Use it to handle subreg-like accesses
5202         with simplified BIT_FIELD_REFs.
5203         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
5204         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5205         correctly.
5206
5207 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5208
5209         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5210         documentation comment.  For BLOCK nodes, add a
5211         DW_AT_abstract_origin attribute that points to the DIE generated
5212         for the origin BLOCK.
5213         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5214         blocks from inlined functions.
5215
5216 2016-05-10  Alan Modra  <amodra@gmail.com>
5217
5218         PR target/70947
5219         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5220         regrename modifying insns saving lr before __morestack call.
5221         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5222         insns restoring lr after __morestack call.
5223
5224 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5225
5226         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5227         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5228         expanders.
5229         * config/i386/sse.md (vec_interleave_high<mode>,
5230         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5231         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5232
5233 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5234
5235         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5236         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5237         parallel reassociation for power8 and forward.
5238
5239 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5240
5241         * config/i386/i386.md (absneg splitters with general regs): Use
5242         general_reg_operand predicate.
5243         (btsq peephole2): Use x86_64_immediate_operand to check if new
5244         value is suitable for immediate operand.  Generate emitted insn
5245         using RTL expressions.
5246         (btcq peephole2): Ditto.
5247         (btrq peephole2): Ditto.  Generate correct immediate operand
5248         for AND masking.
5249
5250 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5251
5252         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5253         bitpos.
5254
5255 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5256
5257         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5258         pointer dereference.
5259
5260 2016-05-09  Richard Biener  <rguenther@suse.de>
5261
5262         PR tree-optimization/70985
5263         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5264         op0 isn't a gimple register.
5265
5266 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5267
5268         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5269         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5270         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5271         (i6400_fpu_mult): New cpu units.
5272         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5273         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5274         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5275         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5276         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5277         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5278         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5279         (i6400_msa_long_float4, i6400_msa_long_float5)
5280         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5281         (i6400_msa_fdiv_sf): New reservations.
5282         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5283         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5284         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5285         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5286         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5287         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5288         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5289         (msa_short_store4, msa_long_load, msa_short_store)
5290         (msa_long_logic, msa_long_float2, msa_long_float4)
5291         (msa_long_float5, msa_long_float8, msa_long_mult)
5292         (msa_long_fdiv, msa_long_div): New reservations.
5293
5294 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5295             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5296             Matthew Fortune  <matthew.fortune@imgtec.com>
5297             Graham Stott  <graham.stott@imgtec.com>
5298             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5299
5300         * config.gcc: Add MSA header file for mips*-*-* target.
5301         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5302         (Ubv8i, Urv8):  New constraints.
5303         * config/mips/mips-ftypes.def: Add function types for MSA
5304         builtins.
5305         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5306         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5307         * config/mips/mips-msa.md: New file.
5308         * config/mips/mips-protos.h
5309         (mips_split_128bit_const_insns): New prototype.
5310         (mips_msa_idiv_insns): Likewise.
5311         (mips_split_128bit_move): Likewise.
5312         (mips_split_128bit_move_p): Likewise.
5313         (mips_split_msa_copy_d): Likewise.
5314         (mips_split_msa_insert_d): Likewise.
5315         (mips_split_msa_fill_d): Likewise.
5316         (mips_expand_msa_branch): Likewise.
5317         (mips_const_vector_same_val_p): Likewise.
5318         (mips_const_vector_same_bytes_p): Likewise.
5319         (mips_const_vector_same_int_p): Likewise.
5320         (mips_const_vector_shuffle_set_p): Likewise.
5321         (mips_const_vector_bitimm_set_p): Likewise.
5322         (mips_const_vector_bitimm_clr_p): Likewise.
5323         (mips_msa_vec_parallel_const_half): Likewise.
5324         (mips_msa_output_division): Likewise.
5325         (mips_ldst_scaled_shift): Likewise.
5326         (mips_expand_vec_cond_expr): Likewise.
5327         * config/mips/mips.c (enum mips_builtin_type): Add
5328         MIPS_BUILTIN_MSA_TEST_BRANCH.
5329         (mips_gen_const_int_vector_shuffle): New prototype.
5330         (mips_const_vector_bitimm_set_p): New function.
5331         (mips_const_vector_bitimm_clr_p): Likewise.
5332         (mips_const_vector_same_val_p): Likewise.
5333         (mips_const_vector_same_bytes_p): Likewise.
5334         (mips_const_vector_same_int_p): Likewise.
5335         (mips_const_vector_shuffle_set_p): Likewise.
5336         (mips_symbol_insns): Forbid loading symbols via immediate for
5337         MSA.
5338         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5339         stores.
5340         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5341         MSA.
5342         (mips_lx_address_p): Add support load indexed address for MSA.
5343         (mips_address_insns): Add calculation of instructions needed for
5344         stores and loads for MSA.
5345         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5346         CONST_VECTOR for MSA and let it fall through.
5347         (mips_ldst_scaled_shift): New function.
5348         (mips_subword_at_byte): Likewise.
5349         (mips_msa_idiv_insns): Likewise.
5350         (mips_legitimize_move): Validate MSA moves.
5351         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5352         calculation of costs for MSA division.
5353         (mips_split_move_p): Check if MSA moves need splitting.
5354         (mips_split_move): Split MSA moves if necessary.
5355         (mips_split_128bit_move_p): New function.
5356         (mips_split_128bit_move): Likewise.
5357         (mips_split_msa_copy_d): Likewise.
5358         (mips_split_msa_insert_d): Likewise.
5359         (mips_split_msa_fill_d): Likewise.
5360         (mips_output_move): Handle MSA moves.
5361         (mips_expand_msa_branch): New function.
5362         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5363         Reinstate 'y' modifier.
5364         (mips_file_start): Add MSA .gnu_attribute.
5365         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5366         FPRs.
5367         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5368         (mips_class_max_nregs): Add register size for MSA supported mode.
5369         (mips_cannot_change_mode_class): Allow conversion between MSA
5370         vector modes and TImode.
5371         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5372         instruction.
5373         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5374         (mips_preferred_simd_mode): Add preffered modes for MSA.
5375         (mips_vector_mode_supported_p): Add MSA supported modes.
5376         (mips_autovectorize_vector_sizes): New function.
5377         (mips_msa_output_division): Likewise.
5378         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5379         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5380         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5381         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5382         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5383         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5384         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5385         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5386         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5387         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5388         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5389         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5390         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5391         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5392         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5393         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5394         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5395         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5396         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5397         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5398         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5399         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5400         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5401         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5402         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5403         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5404         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5405         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5406         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5407         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5408         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5409         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5410         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5411         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5412         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5413         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5414         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5415         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5416         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5417         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5418         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5419         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5420         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5421         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5422         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5423         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5424         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5425         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5426         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5427         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5428         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5429         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5430         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5431         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5432         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5433         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5434         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5435         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5436         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5437         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5438         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5439         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5440         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5441         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5442         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5443         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5444         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5445         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5446         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5447         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5448         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5449         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5450         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5451         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5452         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5453         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5454         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5455         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5456         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5457         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5458         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5459         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5460         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5461         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5462         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5463         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5464         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5465         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5466         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5467         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5468         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5469         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5470         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5471         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5472         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5473         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5474         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5475         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5476         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5477         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5478         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5479         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5480         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5481         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5482         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5483         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5484         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5485         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5486         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5487         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5488         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5489         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5490         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5491         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5492         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5493         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5494         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5495         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5496         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5497         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5498         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5499         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5500         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5501         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5502         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5503         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5504         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5505         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5506         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5507         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5508         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5509         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5510         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5511         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5512         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5513         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5514         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5515         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5516         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5517         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5518         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5519         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5520         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5521         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5522         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5523         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5524         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5525         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5526         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5527         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5528         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5529         move_v builtins.
5530         (mips_get_builtin_decl_index): New array.
5531         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5532         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5533         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5534         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5535         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5536         array.
5537         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5538         hook.
5539         (mips_expand_builtin_insn): Prepare operands for
5540         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5541         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5542         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5543         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5544         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5545         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5546         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5547         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5548         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5549         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5550         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5551         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5552         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5553         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5554         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5555         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5556         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5557         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5558         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5559         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5560         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5561         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5562         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5563         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5564         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5565         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5566         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5567         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5568         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5569         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5570         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5571         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5572         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5573         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5574         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5575         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5576         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5577         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5578         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5579         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5580         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5581         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5582         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5583         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5584         These are set implicitly and an error is reported if overridden.
5585         (mips_expand_builtin_msa_test_branch): New function.
5586         (mips_expand_msa_shuffle): Likewise.
5587         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5588         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5589         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5590         (mips_expand_vec_unpack): Add support for MSA.
5591         (mips_expand_vector_init): Likewise.
5592         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5593         instead of const0_rtx.
5594         (mips_msa_vec_parallel_const_half): New function.
5595         (mips_gen_const_int_vector): Likewise.
5596         (mips_gen_const_int_vector_shuffle): Likewise.
5597         (mips_expand_msa_cmp): Likewise.
5598         (mips_expand_vec_cond_expr): Likewise.
5599         * config/mips/mips.h
5600         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5601         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5602         specified.
5603         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5604         (ISA_HAS_MSA): New macro.
5605         (UNITS_PER_MSA_REG): Likewise.
5606         (BITS_PER_MSA_REG): Likewise.
5607         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5608         (MSA_REG_FIRST): New macro.
5609         (MSA_REG_LAST): Likewise.
5610         (MSA_REG_NUM): Likewise.
5611         (MSA_REG_P): Likewise.
5612         (MSA_REG_RTX_P): Likewise.
5613         (MSA_SUPPORTED_MODE_P): Likewise.
5614         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5615         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5616         * config/mips/mips.md: Include mips-msa.md.
5617         (alu_type): Add simd_add.
5618         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5619         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5620         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5621         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5622         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5623         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5624         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5625         simd_move, simd_load, simd_store.  Choose "multi" for moves
5626         for "qword_mode".
5627         (qword_mode): New attribute.
5628         (insn_count): Add instruction count for quad moves.
5629         Increase the count for MIPS SIMD division.
5630         (UNITMODE): Add UNITMODEs for vector types.
5631         (addsub): New code iterator.
5632         * config/mips/mips.opt (mmsa): New option.
5633         * config/mips/msa.h: New file.
5634         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5635         specified.
5636         * config/mips/mti-linux.h: Likewise.
5637         * config/mips/predicates.md
5638         (const_msa_branch_operand): New constraint.
5639         (const_uimm3_operand): Likewise.
5640         (const_uimm4_operand): Likewise.
5641         (const_uimm5_operand): Likewise.
5642         (const_uimm8_operand): Likewise.
5643         (const_imm5_operand): Likewise.
5644         (aq10b_operand): Likewise.
5645         (aq10h_operand): Likewise.
5646         (aq10w_operand): Likewise.
5647         (aq10d_operand): Likewise.
5648         (const_m1_operand): Likewise.
5649         (reg_or_m1_operand): Likewise.
5650         (const_exp_2_operand): Likewise.
5651         (const_exp_4_operand): Likewise.
5652         (const_exp_8_operand): Likewise.
5653         (const_exp_16_operand): Likewise.
5654         (const_vector_same_val_operand): Likewise.
5655         (const_vector_same_simm5_operand): Likewise.
5656         (const_vector_same_uimm5_operand): Likewise.
5657         (const_vector_same_uimm6_operand): Likewise.
5658         (const_vector_same_uimm8_operand): Likewise.
5659         (par_const_vector_shf_set_operand): Likewise.
5660         (reg_or_vector_same_val_operand): Likewise.
5661         (reg_or_vector_same_simm5_operand): Likewise.
5662         (reg_or_vector_same_uimm6_operand): Likewise.
5663         * doc/extend.texi (MIPS SIMD Architecture Functions): New
5664         section.
5665         * doc/invoke.texi (-mmsa): Document new option.
5666
5667 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5668
5669         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5670         * configure: Regenerate.
5671         * config.in: Regenerate.
5672         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5673         on -fvtable-verify.
5674         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5675         (ENDFILE_VTV_SPEC): Define.
5676
5677 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
5678
5679         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5680         registers in all interrupt handlers if necessary.
5681         (rl78_option_override): Add warning.
5682         (MUST_SAVE_MDUC_REGISTERS): New macro.
5683         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5684         * config/rl78/rl78.c (check_mduc_usage): New function.
5685         (mduc_regs): New structure to hold MDUC register data.
5686         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5687         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5688         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5689         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5690         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5691         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5692
5693 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
5694
5695         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5696         (tree-ssa-loop-niter.h): Ditto.
5697         (idx_within_array_bound, ref_within_array_bound): New functions.
5698         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5699         Factor out check on writable base object to ...
5700         (base_object_writable): ... here.
5701
5702 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5703
5704         * config/arm/arm.md (probe_stack): Add modes to set source
5705         and destination.
5706
5707 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
5708
5709         * regrename.c (base_reg_class_for_rename): New static function.
5710         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5711
5712 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
5713
5714         * cgraph.c (thunk_adjust): Export.
5715         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5716         * cgraphunit.c (thunk_adjust): Export.
5717         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5718         thunks.
5719         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5720         inlinable.
5721         * tree-inline.c (expand_call_inline): Expand thunks inline.
5722
5723 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
5724
5725         PR target/70998
5726         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5727         (*sse2_vd_cvtss2sd): Ditto.
5728         * config/i386/i386.md
5729         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5730         Generate *sse2_vd_cvtsd2ss pattern.
5731         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5732         Generate *sse2_vd_cvtss2sd pattern.
5733
5734 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5735
5736         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5737         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
5738         users.
5739
5740 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5741
5742         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5743         * config/sh/sh.c: Define and declare variables on first use throughout
5744         the file.
5745         (current_function_interrupt): Change to bool type.
5746         (frame_insn): Rename to emit_frame_insn and update users.
5747         (push_regs): Use bool for 'interrupt_handler' argument.
5748         (save_schedule_s): Remove.
5749         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5750         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5751         targetm.asm_out.unaligned_op.di.
5752         (gen_far_branch): Remove redundant forward declaration.
5753         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5754         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5755         (sh_set_return_address, sh_function_ok_for_sibcall,
5756         scavenge_reg): Update comments.
5757         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5758         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5759         (sh_attr_renesas_p): Remove unnecessary parentheses.
5760         (branch_dest): Simplify.
5761         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5762         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5763         (CUMULATIVE_ARGS): Change macro to typedef.
5764         (current_function_interrupt): Change to bool type.
5765         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5766         Surround with __cplusplus ifdef.
5767         (sh_compare_op0, sh_compare_op1): Remove.
5768         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5769
5770 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
5771
5772         * config/arm/arm.md: (arch): Add neon.
5773         (arch_enabled): Return yes for arch neon when TARGET_NEON.
5774         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
5775         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
5776         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
5777         attributes for alt renumbering.  Mark alt 3 as non-predicable.
5778         (thumb2_movdf_vfp): Likewise.
5779
5780 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
5781
5782         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5783         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5784         (*andqi_1): Add preferred_for_speed attribute to disparage
5785         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5786         (*<code>qi_1): Ditto.
5787         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5788         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5789         (*ashlqi3_1): Ditto.
5790         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5791         Add preferred_for_size attribute to disparage alternative 0 and
5792         preferred_for_speed attribute to disparage alternative 1 for
5793         TARGET_PARTIAL_REG_STALL targets.
5794
5795 2016-05-07  Tom de Vries  <tom@codesourcery.com>
5796
5797         PR tree-optimization/70956
5798         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5799         def.
5800
5801 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5802
5803         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5804         * config/sh/sh.c (sh_cbranch_distance): Implement it.
5805         * config/sh/sh.md (branch_zero): Remove define_attr.
5806         (define_delay): Disable delay slot if branch distance is one insn.
5807
5808 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5809
5810         * config/i386/i386.md (LEAMODE): New mode attribute.
5811         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5812         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5813         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
5814         operand 2 predicate.
5815         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5816         (*lea<mode>_general_3): Ditto.
5817         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5818
5819 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5820
5821         * genmddump.c (main): Convert argv from char ** to const char **.
5822
5823 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5824
5825         * coretypes.h (OVERRIDE): New macro.
5826         (FINAL): New macro.
5827
5828 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
5829
5830         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5831         allow coalescing if the types are compatible.
5832
5833 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5834
5835         * pass_manager.h (pass_manager::register_pass_name): New method.
5836         (pass_manager::get_pass_by_name): New method.
5837         (pass_manager::create_pass_tab): New method.
5838         (pass_manager::m_name_to_pass_map): New field.
5839         * passes.c (name_to_pass_map): Delete global in favor of field
5840         "m_name_to_pass_map" of pass_manager.
5841         (register_pass_name): Rename from a function to...
5842         (pass_manager::register_pass_name): ...this method, updating
5843         for renaming of global "name_to_pass_map" to field
5844         "m_name_to_pass_map".
5845         (create_pass_tab): Rename from a function to...
5846         (pass_manager::create_pass_tab): ...this method, updating
5847         for renaming of global "name_to_pass_map" to field.
5848         (get_pass_by_name): Rename from a function to...
5849         (pass_manager::get_pass_by_name): ...this method.
5850         (enable_disable_pass): Convert use of get_pass_by_name to
5851         a method call, locating the pass_manager singleton.
5852
5853 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5854
5855         * genattr-common.c (main): Convert argv from char ** to const char **.
5856         * genattr.c (main): Likewise.
5857         * genattrtab.c (main): Likewise.
5858         * genautomata.c (initiate_automaton_gen): Likewise.
5859         (main): Likewise.
5860         * gencodes.c (main): Likewise.
5861         * genconditions.c (main): Likewise.
5862         * genconfig.c (main): Likewise.
5863         * genconstants.c (main): Likewise.
5864         * genemit.c (main): Likewise.
5865         * genenums.c (main): Likewise.
5866         * genextract.c (main): Likewise.
5867         * genflags.c (main): Likewise.
5868         * genmddeps.c (main): Likewise.
5869         * genopinit.c (main): Likewise.
5870         * genoutput.c (main): Likewise.
5871         * genpeep.c (main): Likewise.
5872         * genpreds.c (main): Likewise.
5873         * genrecog.c (main): Likewise.
5874         * gensupport.c (init_rtx_reader_args_cb): Likewise.
5875         (init_rtx_reader_args): Likewise.
5876         * gensupport.h (init_rtx_reader_args_cb): Likewise.
5877         (init_rtx_reader_args): Likewise.
5878         * gentarget-def.c (main): Likewise.
5879         * read-md.c (read_md_files): Likewise.
5880         * read-md.h (read_md_files): Likewise.
5881
5882 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5883
5884         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5885         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5886         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5887         Remove unused predicate.
5888         (register_and_not_fp_reg_operand): Ditto.
5889
5890 2016-05-06  Martin Liska  <mliska@suse.cz>
5891
5892         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5893         instead of vec as the vector is local to the function.
5894
5895 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5896
5897         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5898         avx512bw alternative.
5899
5900         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5901         before the ashr<mode>3 pattern.
5902
5903         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5904         v instead of x in vex or maybe_vex alternatives, use
5905         maybe_evex instead of vex in prefix.
5906
5907         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5908         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5909         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5910         in vex or maybe_vex alternatives, use maybe_evex instead of vex
5911         in prefix.
5912
5913         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5914         v instead of x in vex or maybe_vex alternatives, use
5915         maybe_evex instead of vex in prefix.
5916
5917         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5918         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5919         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5920         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5921         alternatives, use maybe_evex instead of vex in prefix.
5922
5923         * config/i386/sse.md (vec_interleave_lowv4sf,
5924         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5925         v instead of x in vex or maybe_vex alternatives, use
5926         maybe_evex instead of vex in prefix.
5927
5928         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5929         v instead of x in vex or maybe_vex alternatives, use
5930         maybe_evex instead of vex in prefix.
5931
5932         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5933         v constraint instead of x.
5934
5935 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5936
5937         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5938         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5939         equality first.
5940
5941 2016-05-06  Richard Biener  <rguenther@suse.de>
5942
5943         PR tree-optimization/70948
5944         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5945         Properly clobber all fields of va_list for __builtin_va_start.
5946
5947 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5948
5949         PR debug/70935
5950         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5951         loop latch destination.
5952
5953 2016-05-06  Martin Liska  <mliska@suse.cz>
5954
5955         * tree-ssa-uninit.c: Apply manual changes
5956         to the GNU coding style.
5957         (prune_uninit_phi_opnds): Rename from
5958         prune_uninit_phi_opnds_in_unrealizable_paths.
5959
5960 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5961
5962         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5963         mspace): Remove deprecated options.
5964         * doc/invoke.texi (SH options): Remove -mspace.
5965
5966 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5967
5968         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5969
5970 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5971
5972         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5973         corresponding combine split pattern.
5974
5975 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5976
5977         PR target/58219
5978         * config/sh/predicates.md (long_displacement_mem_operand): New.
5979         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5980         Add movi20, movi20s alternatives.  Adjust length attribute for
5981         alternatives.
5982         (movsi_ie): Allow for any FPU.  Adjust length attribute for
5983         alternatives.
5984         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
5985         attribute for alternatives.
5986         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5987         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5988         length attribute for alternatives.
5989
5990 2016-05-06  Richard Biener  <rguenther@suse.de>
5991
5992         PR tree-optimization/70960
5993         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5994
5995 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5996
5997         PR target/52933
5998         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5999         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
6000
6001 2016-05-06  Marek Polacek  <polacek@redhat.com>
6002
6003         PR sanitizer/70875
6004         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
6005
6006 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
6007
6008         PR target/54089
6009         * config/sh/sh.md (*rotcr): Add another variant.
6010
6011 2016-05-06  Richard Biener  <rguenther@suse.de>
6012
6013         PR middle-end/70931
6014         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
6015
6016 2016-05-06  Richard Biener  <rguenther@suse.de>
6017
6018         PR middle-end/70941
6019         * fold-const.c (split_tree): Always convert to the original type
6020         before negating.
6021
6022 2016-05-06  Richard Biener  <rguenther@suse.de>
6023
6024         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
6025         (fwprop_addr): Likewise.
6026
6027 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6028
6029         PR target/70873
6030         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
6031         New prototype.
6032         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
6033         * config/i386/i386.md (push mem splitter): Use find_constant_src in
6034         the splitter condition.
6035         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
6036         the splitter condition.
6037         (FP float_extend load splitter): Ditto.
6038
6039 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
6040
6041         * config/i386/i386.md (peehole2 patterns): Change true_regnum
6042         to REGNO in all peephole2 patterns.
6043         (post-reload splitters): Change true_regnum to REGNO in
6044         post-reload splitters.
6045         (zero_extend splitters): Use general_reg_operand and
6046         nonimmediate_gr_operand predicates.
6047
6048 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
6049
6050         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
6051         v constraint instead of x.
6052
6053 2016-05-05  Alan Modra  <amodra@gmail.com>
6054
6055         PR target/68662
6056         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
6057         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
6058         TARGET_NO_FP_IN_TOC for -mrelocatable.
6059         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
6060         TARGET_RELOCATABLE test.
6061         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6062         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6063         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6064         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6065         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6066         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6067         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6068         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6069         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
6070         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6071         Likewise.
6072         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
6073         (rs6000_stack_info): Likewise.
6074         (rs6000_elf_asm_out_constructor): Likewise.
6075         (rs6000_elf_asm_out_destructor): Likewise.
6076         (rs6000_elf_declare_function_name): Likewise.
6077         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
6078         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
6079         Don't define.
6080
6081 2016-05-05  Alan Modra  <amodra@gmail.com>
6082
6083         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
6084
6085 2016-05-05  Alan Modra  <amodra@gmail.com>
6086
6087         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6088         out-of-line gpr restore for one or two regs if that would add
6089         a save of lr.
6090
6091 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
6092
6093         PR target/70873
6094         * config/i386/i386.md
6095         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
6096         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
6097         as operand 0 predicate.
6098         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
6099         Ditto.
6100         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
6101         Ditto.  Emit the pattern using RTX.
6102
6103         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
6104         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
6105         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
6106         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
6107         Ditto.
6108         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
6109         sse_reg_operand as operand 0 predicate.
6110
6111         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
6112         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
6113         instead of gen_rtx_REG.
6114         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
6115         Ditto.
6116
6117 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6118
6119         * function.c (emit_use_return_register_into_block): Delete.
6120         (gen_return_pattern): Delete.
6121         (emit_return_into_block): Delete.
6122         (active_insn_between): Delete.
6123         (convert_jumps_to_returns): Delete.
6124         (emit_return_for_exit): Delete.
6125         (thread_prologue_and_epilogue_insns): Delete all code dealing with
6126         simple_return for shrink-wrapped blocks.
6127         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
6128         end of blocks that need one.
6129         (get_unconverted_simple_return): Delete.
6130         (convert_to_simple_return): Delete.
6131         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
6132         (convert_to_simple_return): Ditto.
6133
6134 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6135
6136         * cfgcleanup.c (bb_is_just_return): New function.
6137         (try_optimize_cfg): Simplify jumps to return, branches to return,
6138         and branches around return.
6139
6140 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6141
6142         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
6143         branch to a return.
6144
6145 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6146
6147         PR c++/70906
6148         PR c++/70933
6149         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
6150         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
6151         assert flags & OEP_HASH_CHECK, instead of asserting it
6152         never happens.  Handle TARGET_EXPR.
6153         * fold-const.c (operand_equal_p): For hash verification,
6154         or in OEP_HASH_CHECK into flags.
6155
6156 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6157
6158         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
6159         comment.
6160         (compute_samebase_partition_bases): Fix typo.
6161
6162 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6163
6164         * config/i386/sse.md (vec_interleave_highv8sf,
6165         vec_interleave_lowv8sf, vec_interleave_highv4df,
6166         vec_interleave_lowv4df): Remove constraints from expanders.
6167
6168         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
6169
6170 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6171
6172         * tree-inline.c (expand_call_inline): Fix path dealing with
6173         making lhs of call statement undefined.
6174
6175 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6176
6177         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
6178         Check availability on NODE, too.
6179         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
6180         (cgraph_node::call_for_symbol_and_aliases): Likewise.
6181         (varpool_node::call_for_symbol_and_aliase): Likewise.
6182         * ipa-pure-const.c (add_new_function): Analyze all bodies.
6183         (propagate_pure_const): Propagate across interposable functions, too.
6184         (skip_function_for_local_pure_const): Do not skip interposable bodies
6185         with aliases.
6186         (pass_local_pure_const::execute): Update.
6187
6188 2016-05-04  Marek Polacek  <polacek@redhat.com>
6189
6190         * doc/invoke.texi: Document -Wdangling-else.
6191
6192 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6193
6194         * config.gcc: Error out when conflicting multilib is detected.  Do not
6195         loop over multilibs since no combination is legal.
6196
6197 2016-05-04  Alan Modra  <amodra@gmail.com>
6198
6199         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
6200         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
6201         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6202         Align .toc.
6203
6204 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6205
6206         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6207         Clean up p5600 comments.
6208
6209 2016-05-04  Richard Biener  <rguenther@suse.de>
6210
6211         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6212         constructor simplifications.
6213         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6214
6215 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6216
6217         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6218         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6219         result.set_rtx is null instead of aborting.
6220         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6221         Always enable.
6222         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6223         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6224         *mov<mode>_store_postinc): New patterns.
6225
6226 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6227
6228         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6229         as commutative.  Check both conversions are NOP.
6230         ((A & B) OP (C & B)): Remove.
6231
6232 2016-05-04  Alan Modra  <amodra@gmail.com>
6233
6234         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6235
6236 2016-05-04  Alan Modra  <amodra@gmail.com>
6237
6238         PR target/70866
6239         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6240         when cr2,3,4 are all fixed regs.
6241
6242 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6243
6244         PR rtl-optimization/57193
6245         * opts.c (default_options_table): Revert OPT_frename_registers change.
6246         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6247
6248 2016-05-03  Martin Sebor  <msebor@redhat.com>
6249
6250         PR c++/66561
6251         * builtins.c (fold_builtin_FILE): New function.
6252         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6253         (fold_builtin_0): Call them.
6254         * gimplify.c (gimplify_call_expr): Remove the handling of
6255         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6256
6257         PR c++/66561
6258         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6259         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6260         constants.
6261
6262         PR c++/66639
6263         * doc/extend.texi (Function Names as Strings): Update __func__,
6264         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6265         constants.
6266
6267 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6268             Richard Biener  <rguenther@suse.de>
6269
6270         PR tree-optimization/70916
6271         * tree-if-conv.c: Include cfganal.h.
6272         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6273         and remove_fake_exit_edges around the optimization pass.
6274
6275 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6276
6277         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6278         (cgraph_edge::make_direct): Likewise.
6279         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6280         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6281         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6282         (CIF_THUNK): New code.
6283         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6284         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6285         (compute_inline_parameters): Set inline_failed for thunks.
6286         (inline_analyze_function): Cleanup.
6287         * ipa-inline.c (can_inline_edge_p): Do not deal with
6288         call_stmt_cannot_inline_p.
6289         (can_early_inline_edge_p): Likewise.
6290         (early_inliner): Initialize inline_failed.
6291         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6292
6293 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6294
6295         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6296         from nonimm_ssenomem_operand.
6297         (nonimm_ssenomem_operand): New predicate.
6298         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6299         as operand 0 predicate.
6300         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6301         Disable unsupported alternatives using "enabled" attribute.
6302         Use register_ssemem_operand as operand 0 predicate.
6303         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6304
6305 2016-05-03  Marek Polacek  <polacek@redhat.com>
6306
6307         PR c/70859
6308         * input.c (expansion_point_location): New function.
6309         * input.h (expansion_point_location): Declare.
6310
6311 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6312
6313         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6314         occurence with frame_offset_ ones.
6315
6316 2016-05-03  Alan Modra  <amodra@gmail.com>
6317
6318         PR rtl-optimization/70890
6319         * ira.c (combine_and_move_insns): When moving def_insn, remove
6320         equivs on use_insn.
6321
6322 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6323
6324         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6325         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6326         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6327         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6328
6329 2016-05-03  Alan Modra  <amodra@gmail.com>
6330
6331         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6332         for SAVE_MULTIPLE/STORE_MULTIPLE.
6333
6334 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6335
6336         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6337         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6338
6339 2016-05-03  Richard Biener  <rguenther@suse.de>
6340
6341         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6342         default true.
6343         (gimplify_arg): Likewise.
6344         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6345         re-writing the result to a decl if required.
6346         (internal_get_tmp_var): Add allow_ssa parameter
6347         and override into_ssa with it.
6348         (get_formal_tmp_var): Adjust.
6349         (get_initialized_tmp_var): Add allow_ssa parameter.
6350         (gimplify_arg): Add allow_ssa parameter and avoid generating
6351         SSA names for the result false.
6352         (gimplify_call_expr): If the call may return twice do not
6353         gimplify parameters into SSA.
6354         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6355         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6356         with a SSA name LHS adjust its def.
6357         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6358         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6359         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6360         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6361         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6362         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6363         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6364         (optimize_target_teams): Do not allow SSA names for clause operands.
6365         (gimplify_expr): Likewise for where we mark the result addressable.
6366         * passes.def (pass_init_datastructures): Remove.
6367         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6368         (rewrite_stmt): Likewise.
6369         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6370         (replace_locals_op): Replace SSA names.
6371         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6372         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6373         * cgraph.c (release_function_body): Free CFG annotations only
6374         when we have a CFG.  Simplify.
6375         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6376         force_gimple_operand instead of get_initialized_tmp_var.
6377         * tree-pass.h (make_pass_init_datastructures): Remove.
6378         * tree-ssa.c (execute_init_datastructures): Remove.
6379         (pass_data_init_datastructures): Likewise.
6380         (class pass_init_datastructures): Likewise.
6381         (make_pass_init_datastructures): Likewise.
6382         * omp-low.c (create_omp_child_function): Init SSA data structures.
6383         (grid_expand_target_grid_body): Likewise.
6384         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6385         name before adding it to names_to_release.
6386         (remove_bb): Always release SSA defs.
6387         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6388         before dereferencing it.
6389         * cgraphunit.c (init_lowered_empty_function): Always
6390         int SSA data structures.
6391         * tree-ssanames.c (release_defs): Remove assert that we are in
6392         SSA form.
6393         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6394
6395 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6396             Uros Bizjak  <ubizjak@gmail.com>
6397
6398         PR rtl-optimization/70467
6399         * config/i386/predicates.md (x86_64_hilo_int_operand,
6400         x86_64_hilo_general_operand): New predicates.
6401         * config/i386/constraints.md (Wd): New constraint.
6402         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6403         (general_hilo_operand): New mode attr.
6404         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6405         instead of <general_operand>.
6406         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6407         x86_64_hilo_general_operand instead of <general_operand>.
6408
6409 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6410
6411         PR tree-optimization/70916
6412         * tree-if-conv.c (constant_or_ssa_name): Removed.
6413         (fold_build_cond_expr): Use is_gimple_val instead of
6414         constant_or_ssa_name.
6415
6416         PR tree-optimization/70916
6417         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6418         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6419
6420         PR target/49244
6421         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6422         (optimize_atomic_bit_test_and): New function.
6423         (pass_fold_builtins::execute): Use it.
6424         * optabs.def (atomic_bit_test_and_set_optab,
6425         atomic_bit_test_and_complement_optab,
6426         atomic_bit_test_and_reset_optab): New optabs.
6427         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6428         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6429         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6430         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6431         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6432         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6433         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6434         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6435         atomic_bit_test_and_complement@var{mode},
6436         atomic_bit_test_and_reset@var{mode}): Document.
6437         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6438         atomic_bit_test_and_complement<mode>,
6439         atomic_bit_test_and_reset<mode>): New expanders.
6440         (atomic_bit_test_and_set<mode>_1,
6441         atomic_bit_test_and_complement<mode>_1,
6442         atomic_bit_test_and_reset<mode>_1): New insns.
6443
6444 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6445
6446         PR rtl-optimization/70687
6447         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6448         instead of unsigned HOST_WIDE_INT.
6449
6450 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6451
6452         PR rtl-optimization/44281
6453         * hard-reg-set.h (struct target_hard_regs): New field
6454         x_fixed_nonglobal_reg_set.
6455         (fixed_nonglobal_reg_set): New macro.
6456         * reginfo.c (init_reg_sets_1): Initialize it.
6457         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6458         of fixed_reg_set.
6459         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6460
6461 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6462
6463         PR tree-optimization/56541
6464         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6465         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6466         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6467         (any_complicated_phi): new static variable.
6468         (aggressive_if_conv): delete.
6469         (if_convertible_phi_p): support phis with more than two arguments.
6470         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6471         critical pred edges.
6472         (ifcvt_split_critical_edges): support phis with more than two
6473         arguments by checking new parameter.  only split critical edges
6474         if needed.
6475         (tree_if_conversion): handle simd pragma marked loop using new
6476         local variable aggressive_if_conv.  check any_complicated_phi.
6477
6478 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6479
6480         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6481         before using it.
6482
6483 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6484
6485         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6486         cbase.
6487
6488 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6489
6490         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6491         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6492         define_insn_and_split.
6493         (mulsi3_i): New define_insn_and_split.
6494         (mulsi3_call): Convert to define_insn.
6495         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6496         Remove constraints.
6497
6498 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6499
6500         * machmode.h (mode_complex): Add support to give the complex mode
6501         for a given mode.
6502         (GET_MODE_COMPLEX_MODE): Likewise.
6503         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6504         stored by build_complex_type and gfc_build_complex_type instead of
6505         trying to figure out the appropriate mode based on the size. Raise
6506         an assertion error, if the type was not set.
6507         * genmodes.c (struct mode_data): Add field for the complex type of
6508         the given type.
6509         (blank_mode): Likewise.
6510         (make_complex_modes): Remember the complex mode created in the
6511         base type.
6512         (emit_mode_complex): Write out the mode_complex array to map a
6513         type mode to the complex version.
6514         (emit_insn_modes_c): Likewise.
6515         * tree.c (build_complex_type): Set the complex type to use before
6516         calling layout_type.
6517         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6518         support for __float128 complex datatypes.
6519         (rs6000_hard_regno_mode_ok): Likewise.
6520         (rs6000_setup_reg_addr_masks): Likewise.
6521         (rs6000_complex_function_value): Likewise.
6522         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6523         __float128 and __ibm128 complex.
6524         (FLOAT128_IBM_P): Likewise.
6525         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6526         * doc/extend.texi (Additional Floating Types): Document that
6527         -mfloat128 must be used to enable __float128.  Document complex
6528         __float128 and __ibm128 support.
6529
6530 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6531
6532         PR target/49244
6533         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6534         char/short arguments promoted to int because of promote_prototypes.
6535
6536 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6537
6538         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6539         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6540         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6541         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6542         alternatives using "enabled" attribute.  Use register_ssemem_operand
6543         as operand 1 predicate.
6544         (*cmpi<unord>xf_i387): Split XFmode pattern from
6545         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6546         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6547         *absneg<mode>2_i387.  Disable unsupported alternatives using
6548         "enabled" attribute.
6549         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6550
6551 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6552
6553         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6554         marker.
6555         (oacc_loop_process): Check mask for loop termination.
6556
6557 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6558
6559         * cif-code.def (CIF_THUNK): Add.
6560         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6561         accidental change.
6562
6563 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6564
6565         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6566         (dump_inline_summary): Dump it.
6567         (fp_expression_p): New predicate.
6568         (estimate_function_body_sizes): Use it.
6569         (inline_merge_summary): Merge fp_expressions.
6570         (inline_read_section): Read fp_expressions.
6571         (inline_write_summary): Write fp_expressions.
6572         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6573         codegen boundary if either caller or callee is !fp_expressions.
6574         * ipa-inline.h (inline_summary): Add fp_expressions.
6575         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6576         to fp_expressions be sure the fp generation flags are updated.
6577
6578 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6579
6580         PR rtl-optimization/70467
6581         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6582
6583         PR rtl-optimization/70467
6584         * ipa-pure-const.c (check_call): Handle internal calls even in
6585         ipa mode like in local mode.
6586
6587 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6588
6589         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6590
6591 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6592
6593         * match.pd (X u< X, X u> X): New transformations.
6594
6595 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6596
6597         * flag-types.h (enum warn_strict_overflow_code): Move ...
6598         * coretypes.h: ... here.
6599         * fold-const.h (fold_overflow_warning): Declare.
6600         * fold-const.c (fold_overflow_warning): Make non-static.
6601         (fold_comparison): Move the transformation of X +- C1 CMP C2
6602         into X CMP C2 -+ C1 ...
6603         * match.pd: ... here.
6604         * gimple-fold.c (fold_stmt_1): Protect with
6605         fold_defer_overflow_warnings.
6606
6607 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6608
6609         * omp-low.c (struct oacc_loop): Add 'inner' field.
6610         (new_oacc_loop_raw): Initialize it to zero.
6611         (oacc_loop_fixed_partitions): Initialize it.
6612         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6613         available partitioning.
6614
6615 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6616
6617         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6618         register_operand.
6619         (umulsidi3): Likewise.
6620         (indirect_jump): Fix jump instruction assembly patterns.
6621
6622 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6623
6624         PR target/70860
6625         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6626         (nvptx_function_value): Assert non-NULL cfun.
6627
6628 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6629
6630         PR rtl-optimization/70886
6631         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6632
6633         * cselib.h (rtx_equal_for_cselib_1): Declare.
6634         (rtx_equal_for_cselib_p: New inline function.
6635         * cselib.c (rtx_equal_for_cselib_p): Delete.
6636         (rtx_equal_for_cselib_1): Make public.
6637
6638 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6639
6640         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6641         (register_mixssei387nonimm_operand): Remove predicate.
6642         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6643         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6644         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6645         for TARGET_MIX_SSE_I387 alternatives.
6646         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6647         Disable unsupported alternatives using "enabled" attribute.  Use
6648         nonimm_ssenomem_operand as operand 1 predicate.  Also check
6649         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6650
6651 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6652
6653         * tree.c (cst_and_fits_in_hwi): Simplify.
6654
6655 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6656
6657         * tree.h (wi::to_wide): New function.
6658         * expr.c (expand_expr_real_1): Use wi::to_wide.
6659         * fold-const.c (int_const_binop_1): Likewise.
6660         (extract_muldiv_1): Likewise.
6661
6662 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6663
6664         * wide-int.h: Update offset_int and widest_int documentation.
6665         (WI_SIGNED_SHIFT_RESULT): New macro.
6666         (wi::binary_shift): Define signed_shift_result_type for
6667         shifts on offset_int- and widest_int-like types.
6668         (generic_wide_int): Support <<= and >>= if << and >> are supported.
6669         * tree.h (int_bit_position): Use shift operators instead of wi::
6670          shifts.
6671         * alias.c (adjust_offset_for_component_ref): Likewise.
6672         * expr.c (get_inner_reference): Likewise.
6673         * fold-const.c (fold_comparison): Likewise.
6674         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6675         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6676         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6677         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6678         (stmt_kills_ref_p): Likewise.
6679         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6680         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6681         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6682         (ao_ref_init_from_vn_reference): Likewise.
6683
6684 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6685
6686         * wide-int.h: Update offset_int and widest_int documentation.
6687         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6688         (wi::binary_traits): Allow ordered comparisons between offset_int and
6689         offset_int, between widest_int and widest_int, and between either
6690         of these types and basic C types.
6691         (operator <, <=, >, >=): Define for the same combinations.
6692         * tree.h (tree_int_cst_lt): Use comparison operators instead
6693         of wi:: comparisons.
6694         (tree_int_cst_le): Likewise.
6695         * gimple-fold.c (fold_array_ctor_reference): Likewise.
6696         (fold_nonarray_ctor_reference): Likewise.
6697         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6698         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6699         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6700         * tree-sra.c (completely_scalarize): Likewise.
6701         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6702         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6703         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6704         (check_for_binary_op_overflow): Likewise.
6705         (search_for_addr_array): Likewise.
6706         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6707
6708 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6709
6710         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6711         (arc_save_restore): Likewise.
6712         (arc_dwarf_register_span): Likewise.
6713         (arc_output_pic_addr_const): Initialize suffix variable.
6714
6715 2016-05-02  Martin Liska  <mliska@suse.cz>
6716
6717         * symbol-summary.h (function_summary::function_summary):
6718         Remove checking assert for all cgraph nodes.
6719         (function_summary::get): Check summary_uid.
6720         (symtab_insertion): Check summary_uid.
6721
6722 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6723
6724         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6725         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6726         bmaskn instruction.
6727         (arc_dwarf_register_span): Remove enum keyword.
6728         (compact_memory_operand_p): New function.
6729         * config/arc/arc.h (reg_class): Add code density register classes.
6730         (REG_CLASS_NAMES): Likewise.
6731         (REG_CLASS_CONTENTS): Likewise.
6732         * config/arc/arc.md (*movqi_insn): Add code density instructions.
6733         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6734         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6735         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6736         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6737         constraints.
6738         (h, Rcd, Rsd, Rzd): New register constraints.
6739         (T): Use compact_memory_operand_p function.
6740         * config/arc/predicates.md (compact_load_memory_operand): Remove.
6741
6742 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6743
6744         * config/sh/sh.md (*negnegt, *movtt): Remove.
6745
6746 2016-05-02  Marek Polacek  <polacek@redhat.com>
6747             Tom de Vries  <tom@codesourcery.com>
6748
6749         PR tree-optimization/70700
6750         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6751         bigger than FIRST_REF_NODE.
6752
6753 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6754
6755         PR target/52898
6756         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6757         TARGET_CMPEQDI_T.
6758         (prepare_cbranch_operands): Don't use scratch register.  Assume that
6759         function is used when pseudos can be created.
6760         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
6761         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6762         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6763         define_expand.  Allow it only when pseudos can be created.
6764         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6765
6766 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
6767
6768         * config/i386/constraints.md (BC): Only allow -1 operands.
6769         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6770         Add "enabled" attribute.  Update XI mode attribute calculation.
6771         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6772         (*movoi_internal_avx): Update XI mode attribute calculation.
6773         (*movti_internal): Ditto.
6774
6775 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6776
6777         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6778         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6779
6780 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6781
6782         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6783         statement on instruction code.  Remove trailing spaces.
6784         (altivec_expand_stv_builtin): Likewise.
6785
6786 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6787
6788         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6789         (TARGET_FPU_DOUBLE): Simplify.
6790         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6791         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6792         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6793         with 'TARGET_FPU_DOUBLE'.
6794         * config/sh/sh.md: Likewise.
6795
6796 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
6797
6798         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6799         SH_DIV_STR_FOR_SIZE): Remove.
6800         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6801         SH_DIV_STR_FOR_SIZE): Remove.
6802
6803 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6804
6805         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6806         logical_reg_operand): Delete.
6807         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6808         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6809         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6810         match_operand and match_test.
6811         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
6812         variables on their first use.  Return bool values.
6813         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6814         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6815         arith_reg_operand for input operand.  Remove empty constraints.
6816         (xorsi3): Delete.
6817         (*xorsi3_compact): Rename to xorsi3.
6818         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6819         (*zero_extend<mode>si2_disp_mem): Update comment.
6820         (mov_nop): Delete.
6821
6822 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6823
6824         * config/sh/t-sh: Remove SH5 support.
6825         * config.gcc: Likewise.
6826         * configure: Likewise.
6827
6828 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6829
6830         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6831
6832 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6833
6834         * config/sh/sh.c (register_sh_passes, sh_option_override,
6835         sh_print_operand, prepare_move_operands,
6836         sh_can_follow_jump): Remove TARGET_SH1 checks.
6837         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6838         PROMOTE_MODE): Likewise.
6839         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6840         movdi): Likewise.
6841
6842 2016-04-30  Alan Modra  <amodra@gmail.com>
6843
6844         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6845         restoring when fixed_reg_p, but allow out-of-line or stmw save.
6846         Check for user regs later to avoid unnecessary looping over regs.
6847         Merge user reg check with non-saved reg check.  Don't force
6848         inline VR restore when static chain used.
6849         (rs6000_frame_related): Omit eh_frame info for user regs when
6850         saving.
6851         (fixed_regs_p): Delete.
6852
6853 2016-04-30  Alan Modra  <amodra@gmail.com>
6854
6855         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6856         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
6857         Update all uses.
6858
6859 2016-04-30  Alan Modra  <amodra@gmail.com>
6860
6861         PR target/69645
6862         * config/rs6000/rs6000.c (fixed_reg_p): New function.
6863         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
6864         Update all uses.
6865
6866 2016-04-30  Alan Modra  <amodra@gmail.com>
6867
6868         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6869         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
6870         flag_pic test for Darwin.
6871
6872 2016-04-30  Alan Modra  <amodra@gmail.com>
6873
6874         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6875         throw_calls_crossed.
6876         (REG_FREQ_CALLS_CROSSED): Delete.
6877         (REG_N_THROWING_CALLS_CROSSED): Delete.
6878         * regstat.c (regstat_bb_compute_ri): Don't calculate
6879         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6880         (dump_reg_info): Don't print call cross frequency.
6881         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6882         and REG_N_THROWING_CALLS_CROSSED.
6883
6884 2016-04-30  Alan Modra  <amodra@gmail.com>
6885
6886         * regs.h (struct reg_info_t): Delete live_length.
6887         (REG_LIVE_LENGTH): Delete macro.
6888         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6889         local_live, local_processed and local_live_last_luid params.
6890         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
6891         Formatting fixes.
6892         (regstat_compute_ri): Adjust for above.  Don't set
6893         REG_LIVE_LENGTH.
6894         (dump_reg_info): Don't print live length.
6895         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6896         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
6897         Localize loop_depth var.
6898
6899 2016-04-30  Alan Modra  <amodra@gmail.com>
6900
6901         * ira.c (enum valid_equiv): New.
6902         (validate_equiv_mem): Return enum.
6903         (update_equiv_mem): Create replacement in more cases.
6904         (add_store_equivs): Update validate_equiv_mem call.
6905
6906 2016-04-30  Alan Modra  <amodra@gmail.com>
6907
6908         * ira.c (combine_and_move_insns): Rather than scanning insns,
6909         use DF infrastucture to find use and def insns.
6910
6911 2016-04-30  Alan Modra  <amodra@gmail.com>
6912
6913         ira.c (combine_and_move_insns): Move invariant conditions..
6914         (ira.c): ..to here.  Call combine_and_move_insns before
6915         add_store_equivs.  Call grow_reg_equivs later.  Allocate
6916         req_equiv later using max_reg_num() rather than global max_regno.
6917         (contains_replace_regs): Delete.
6918         (add_store_equivs): Remove contains_replace_regs test.
6919
6920 2016-04-30  Alan Modra  <amodra@gmail.com>
6921
6922         * ira.c (struct equiv_mem_data): New.
6923         (equiv_mem, equiv_mem_modified): Delete static vars.
6924         (validate_equiv_mem_from_store): Use "data" param to communicate..
6925         (validate_equiv_mem): ..from here.
6926
6927 2016-04-30  Alan Modra  <amodra@gmail.com>
6928
6929         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6930         split out from..
6931         (update_reg_equivs): ..here.  Move allocation and freeing of
6932         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6933         end_alias_analysis to..
6934         (ira): ..here.
6935
6936 2016-04-30  Alan Modra  <amodra@gmail.com>
6937
6938         * ira.c (pdx_subregs): Delete.
6939         (struct equivalence): Add pdx_subregs field.
6940         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
6941         pdx_subregs access.
6942         (update_equiv_regs): Don't create or free pdx_subregs.  Update
6943         pdx_subregs access.
6944
6945 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6946
6947         * config/rs6000/altivec.h: Change definitions of vec_xl and
6948         vec_xst.
6949         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6950         (LD_ELEMREV_V2DI): New.
6951         (LD_ELEMREV_V4SF): New.
6952         (LD_ELEMREV_V4SI): New.
6953         (LD_ELEMREV_V8HI): New.
6954         (LD_ELEMREV_V16QI): New.
6955         (ST_ELEMREV_V2DF): New.
6956         (ST_ELEMREV_V2DI): New.
6957         (ST_ELEMREV_V4SF): New.
6958         (ST_ELEMREV_V4SI): New.
6959         (ST_ELEMREV_V8HI): New.
6960         (ST_ELEMREV_V16QI): New.
6961         (XL): New.
6962         (XST): New.
6963         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6964         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6965         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6966         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6967         (altivec_expand_builtin): Add handling for
6968         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6969         (rs6000_invalid_builtin): Add error-checking for
6970         RS6000_BTM_P9_VECTOR.
6971         (altivec_init_builtins): Define builtins used to implement vec_xl
6972         and vec_xst.
6973         (rs6000_builtin_mask_names): Define power9-vector.
6974         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6975         (RS6000_BTM_P9_VECTOR): Define.
6976         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6977         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6978         (vsx_ld_elemrev_v2df): Likewise.
6979         (vsx_ld_elemrev_v4sf): Likewise.
6980         (vsx_ld_elemrev_v4si): Likewise.
6981         (vsx_ld_elemrev_v8hi): Likewise.
6982         (vsx_ld_elemrev_v16qi): Likewise.
6983         (vsx_st_elemrev_v2df): Likewise.
6984         (vsx_st_elemrev_v2di): Likewise.
6985         (vsx_st_elemrev_v4sf): Likewise.
6986         (vsx_st_elemrev_v4si): Likewise.
6987         (vsx_st_elemrev_v8hi): Likewise.
6988         (vsx_st_elemrev_v16qi): Likewise.
6989         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
6990         grammar.
6991
6992 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
6993
6994         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6995         out into ...
6996         (simplify_control_stmt_condition_1): ... here.  Recurse into
6997         BIT_AND_EXPRs and BIT_IOR_EXPRs.
6998
6999 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
7000
7001         PR target/69810
7002         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
7003         (zero_extendqi<mode>2_dot): Revert earlier conversion from
7004         define_insn_and_split to define_insn.
7005         (zero_extendqi<mode>2_dot2): Same.
7006         (extendqi<mode>2_dot): Same.
7007         (extendqi<mode>2_dot2): Same.
7008
7009 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7010
7011         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
7012         (probe_stack): New expander.
7013         (probe_stack_<mode>): New insn pattern.
7014
7015 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7016
7017         * config/i386/i386.md
7018         (operations with memory inputs setting flags peephole2):
7019         Remove uneeded REG_P checks.  Cleanup pattern generation.
7020
7021 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
7022
7023         * tree-vect-loop.c (vect_transform_loop): Fix
7024         nb_iterations_upper_bound computation for vectorized loop.
7025
7026 2016-04-29  Marek Polacek  <polacek@redhat.com>
7027             Jakub Jelinek  <jakub@redhat.com>
7028
7029         PR sanitizer/70342
7030         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
7031         TARGET_EXPR_SLOT as a base.
7032
7033 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
7034
7035         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
7036         with 'rCm2' constraints to limit possible immediate size.
7037         (*load_zeroextendqisi_update): Likewise.
7038         (*load_signextendqisi_update): Likewise.
7039         (*loadhi_update): Likewise.
7040         (*load_zeroextendhisi_update): Likewise.
7041         (*load_signextendhisi_update): Likewise.
7042         (*loadsi_update): Likewise.
7043         (*loadsf_update): Likewise.
7044
7045 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7046
7047         * config/i386/predicates.md (constm1_operand): Fix comparison.
7048
7049 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7050
7051         * testsuite/gcc.target/arc/ieee_eq.c: New test.
7052
7053 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
7054
7055         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
7056         remaining SH5 related settings.
7057         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
7058         shmedia_prepare_call_address): Delete.
7059         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
7060         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
7061         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
7062         UNSUPPORTED_SH2A): Remove m5 checks.
7063         (sh_divide_strategy_e): Remove SH5 division strategies.
7064         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
7065         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
7066
7067 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7068
7069         * config/s390/s390.c (s390_rtx_costs): Update documentation.
7070
7071 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7072
7073         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
7074         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
7075         Change lder to ldr.
7076         * config/s390/vector.md ("mov<mode>"): Likewise.
7077
7078 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
7079
7080         * config/s390/constraints.md ("U", "W"): Invoke
7081         s390_mem_constraint with "ZR" and "ZT".
7082         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
7083         addresses when using LRA.  Accept also short displacements for S
7084         and T constraints.  Do not check for long displacement target for
7085         S and T constraints.
7086         (s390_mem_constraint): Remove handling of U and W constraints.
7087         * config/s390/s390.md (various patterns): Remove the short
7088         displacement constraints (Q and R) if a long displacement
7089         constraint is present.  Add longdisp as required CPU capability.
7090         * config/s390/vector.md: Likewise.
7091         * config/s390/vx-builtins.md: Likewise.
7092
7093 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7094
7095         PR target/60040
7096         * reload1.c (reload): Call finish_spills before
7097         restarting reload loop. Skip select_reload_regs
7098         if update_eliminables_and_spill returns true.
7099
7100 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7101
7102         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
7103         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
7104         (umulhisi3_imm): Update predicates and constraint letters.
7105         (umulhisi3_reg): Declare instruction as commutative.
7106         * config/arc/constraints.md (J12, J16): New constraints.
7107         * config/arc/predicates.md (short_unsigned_const_operand): New
7108         predicate.
7109         (arc_short_operand): Likewise.
7110         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
7111
7112 2016-04-29  Richard Biener  <rguenther@suse.de>
7113
7114         PR tree-optimization/13962
7115         PR tree-optimization/65686
7116         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
7117         * tree-ssa-alias.c (ptrs_compare_unequal): New function
7118         using PTA to compare pointers.
7119         * match.pd: Add pattern for pointer equality compare simplification
7120         using ptrs_compare_unequal.
7121
7122 2016-04-29  Richard Biener  <rguenther@suse.de>
7123
7124         * stor-layout.c (layout_type): Do not build a pointer-to-element
7125         type for arrays.
7126
7127 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7128
7129         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
7130         Use SWI mode iterator.  Use general_reg_operand predicate.
7131         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
7132         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
7133         predicates.
7134
7135 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
7136
7137         PR middle-end/70843
7138         * fold-const.c (operand_equal_p): Don't verify hash value equality
7139         if arg0 == arg1.
7140         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
7141         and OMP_CLAUSE.
7142
7143 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7144
7145         PR target/70858
7146         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
7147         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
7148         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
7149         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
7150         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
7151
7152 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7153
7154         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
7155         to info.  Don't initialize separate fields to 0.  Clean up
7156         formatting a bit.
7157
7158 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7159
7160         * config/i386/i386.md (peephole2s for operations with memory inputs):
7161         Use SWI mode iterator.
7162         (peephole2s for operations with memory outputs): Ditto.
7163         Do not check for stack checking probe.
7164
7165         (probe_stack): Remove expander.
7166
7167 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7168             Andrew Burgess  <andrew.burgess@embecosm.com>
7169
7170         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
7171         operands as 32-bits.
7172
7173 2016-04-28  Jason Merrill  <jason@redhat.com>
7174
7175         * gdbinit.in: Skip line-map.h.
7176
7177 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7178             Andrew Burgess  <andrew.burgess@embecosm.com>
7179
7180         * config/arc/arc.c (arc_conditional_register_usage): Take
7181         TARGET_RRQ_CLASS into account.
7182         (arc_print_operand): Support printing 'p' and 's' operands.
7183         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
7184         as 0.
7185         (TARGET_RRQ_CLASS): Define.
7186         (IS_POWEROF2_OR_0_P): Define.
7187         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
7188         alternatives.
7189         (*tst_movb): New define_insn.
7190         (*tst): Avoid recognition if it could prevent '*tst_movb'
7191         combination; replace c/CnL with c/Chs alternative.
7192         (*tst_bitfield_tst): New define_insn.
7193         (*tst_bitfield_asr): New define_insn.
7194         (*tst_bitfield): New define_insn.
7195         (andsi3_i): Add Rrq variant.
7196         (extzv): New define_expand.
7197         (insv): New define_expand.
7198         (*insv_i): New define_insn.
7199         (*movb): New define_insn.
7200         (*movb_signed): New define_insn.
7201         (*movb_high): New define_insn.
7202         (*movb_high_signed): New define_insn.
7203         (*movb_high_signed + 1): New define_split pattern.
7204         (*mrgb): New define_insn.
7205         (*mrgb + 1): New define_peephole2 pattern.
7206         (*mrgb + 2): New define_peephole2 pattern.
7207         * config/arc/arc.opt (mbitops): New option for nps400, uses
7208         TARGET_NPS_BITOPS_DEFAULT.
7209         * config/arc/constraints.md (q): Make register class conditional.
7210         (Rrq): New register constraint.
7211         (Chs): New constraint.
7212         (Clo): New constraint.
7213         (Chi): New constraint.
7214         (Cbf): New constraint.
7215         (Cbn): New constraint.
7216         (C18): New constraint.
7217         (Cbi): New constraint.
7218
7219 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7220
7221         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7222         dst->popcount.
7223         (bitmap_intersection_of_preds): Ditto.
7224         (bitmap_union_of_succs): Ditto.
7225         (bitmap_union_of_preds): Ditto.
7226         * sbitmap.c (do_popcount): Delete.
7227         (BITMAP_DEBUGGING): Delete.
7228         (sbitmap_verify_popcount): Delete.
7229         (sbitmap_alloc): Don't initialize the popcount field.
7230         (sbitmap_alloc_with_popcount): Delete.
7231         (sbitmap_resize): Don't resize the popcount array.
7232         (sbitmap_vector_alloc): Don't initialize the popcount field.
7233         (bitmap_copy): Don't copy the popcount array.
7234         (bitmap_clear): Don't clear the popcount array.
7235         (bitmap_clear): Delete the popcount array handling.
7236         (bitmap_ior_and_compl): Delete the popcount assert.
7237         (bitmap_not): Ditto.
7238         (bitmap_and_compl): Ditto.
7239         (bitmap_and): Delete the popcount array handling.
7240         (bitmap_xor): Ditto.
7241         (bitmap_ior): Ditto.
7242         (bitmap_or_and): Delete the popcount assert.
7243         (bitmap_and_or): Ditto.
7244         (popcount_table): Delete.
7245         (sbitmap_elt_popcount): Delete.
7246         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7247         (bitmap_set_bit): Delete the popcount assert.
7248         (bitmap_clear_bit): Ditto.
7249         (sbitmap_free): Don't free the popcount array.
7250         (sbitmap_alloc_with_popcount): Delete declaration.
7251         (sbitmap_popcount): Ditto.
7252
7253 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7254             Andrew Burgess  <andrew.burgess@embecosm.com>
7255
7256         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7257         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7258         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7259         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7260         * config/arc/arc.opt (mcmem): New option.
7261         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7262         supply length for r/m alternative.
7263         (*extendqisi2_ac): Likewise.
7264         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7265         r/Uex alternative.
7266         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7267         (movhi_insn): Likewise.
7268         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7269         (*zero_extendqihi2_i): Add r/Ucm alternative.
7270         (*zero_extendqisi2_ac): Likewise.
7271         (*zero_extendhisi2_i): Likewise.
7272         * config/arc/constraints.md (Uex): New memory constraint.
7273         (Ucm): New define_constraint.
7274         * config/arc/predicates.md (long_immediate_loadstore_operand):
7275         Return 0 for MEM with cmem_address address.
7276         (cmem_address_0): New predicates.
7277         (cmem_address_1): Likewise.
7278         (cmem_address_2): Likewise.
7279         (cmem_address): Likewise.
7280
7281 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7282
7283         * config/rs6000/rs6000.c (machine_function): Rename
7284         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7285         (rs6000_stack_info): Adjust.
7286
7287 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7288             Andrew Burgess  <andrew.burgess@embecosm.com>
7289
7290         * config/arc/constraints.md (Usd): Convert to define_constraint.
7291         (Us<): Likewise.
7292         (Us>): Likewise.
7293
7294 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7295
7296         PR target/70821
7297         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7298         Add new peephole2 where the first insn is *mov<mode>_or instead of
7299         *mov<mode>_internal.
7300
7301 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7302
7303         * tracer.c (bb_seen): Make static.
7304
7305 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7306
7307         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7308         support, setup defaults.
7309         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7310         * config/arc/arc.c (arc_init): Add NPS400 support.
7311         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7312         (TARGET_ARC700): NPS400 is also an ARC700.
7313         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7314
7315 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7316
7317         PR target/70668
7318         * config/nds32/nds32.md (casesi): Don't access the operands array
7319         out of bounds.
7320
7321 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7322
7323         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7324         (or $-1,reg peephole2): Ditto.
7325         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7326
7327 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7328
7329         * doc/extend.texi (Common Function Attributes) [optimize]:
7330         Discourage use of the optimize attribute.
7331
7332 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7333
7334         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7335         special case builtin.
7336         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7337         ALTIVEC_BUILTIN_VEC_ADDE.
7338         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7339         support for ALTIVEC_BUILTIN_VEC_ADDE.
7340         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7341         for __builtin_vec_adde.
7342
7343 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7344
7345         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7346         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7347
7348 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7349
7350         PR testsuite/70595
7351         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7352         attributes): Document cilkplus_runtime.
7353
7354 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7355
7356         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7357         this function.  Call verify_expr on MEM_REFs and bases of other
7358         handled_components.
7359
7360 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7361
7362         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7363         for WORD_REGISTER_OPERATIONS to runtime check.
7364
7365 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7366
7367         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7368
7369 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7370
7371         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7372         big-endian compilation.
7373         * config/arc/arc.md (addf3): Likewise.
7374         (subdf3): Likewise.
7375         (muldf3): Likewise.
7376
7377 2016-04-28  Richard Biener  <rguenther@suse.de>
7378
7379         PR tree-optimization/70840
7380         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7381         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7382         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7383         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7384
7385 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7386
7387         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7388         and explain why in a comment.
7389
7390 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7391
7392         * config/arc/arc.md (cpu_facility): Add fpx variant.
7393         (subdf3): Prohibit use reverse sub when assist operations option
7394         is enabled.
7395         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7396         instructions only when FPX is enabled.
7397         * testsuite/gcc.target/arc/trsub.c: New test.
7398
7399 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7400
7401         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7402         mult_operator when calculating "type" attribute.
7403         (*fop_<mode>_1_i387): Ditto.
7404         (*fop_xf_1_i387): Ditto.
7405         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7406         Use std::swap to swap operands.  Use RTL expressions to generate
7407         converted pattern.
7408
7409 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7410             Joern Rennecke  <joern.rennecke@embecosm.com>
7411
7412         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7413         declaration.
7414         (emit_pic_move): Remove.
7415         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7416         * config/arc/arc.c (emit_pic_move): Removed.
7417         (TARGET_HAVE_TLS): Define.
7418         (arc_conditional_register_usage): Test for arc_tp_regno.
7419         (arc_print_operand, arc_print_operand_address): Handle TLS
7420         unspecs.
7421         (arc_needs_pcl_p): New function.
7422         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7423         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7424         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7425         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7426         (arc_legitimize_tls_address): Likewise.
7427         (DTPOFF_ZERO_SYM): Define.
7428         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7429         (arc_output_pic_addr_const): Print TLS unspecs.
7430         (prepare_pic_move): New function, replaces emit_pic_move.
7431         (arc_legitimate_constant_p): Handle TLS unspecs.
7432         (arc_legitimate_address_p): Likewise.
7433         (arc_rewrite_small_data_p): Use assert for TLS constants.
7434         (prepare_move_operands): Use prepare_pic_move.
7435         (arc_legitimize_address): Legitimize tls addresses.
7436         (arc_epilogue_uses): Check for arc_tp_regno.
7437         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7438         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7439         Define.
7440         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7441         Likewise.
7442         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7443         %(arc_tls_extra_start_spec).
7444         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7445         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7446         (EH_USES): Define.
7447         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7448         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7449         (UNSPEC_TLS_OFF): Add.
7450         (R10_REG): Define.
7451         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7452         (get_thread_pointersi): New patterns.
7453         * config/arc/arc.opt (mtp-regno): New option.
7454         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7455         (move_dest_operand): Likewise.
7456         * configure: Regenerate.
7457         * configure.ac: Add arc*-*-* case to test for tls.
7458         * doc/invoke.texi (ARC options): Document mtp-regno.
7459
7460 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7461
7462         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7463         the new ARC HS SIMD instructions.
7464         (arc_preferred_simd_mode): New function.
7465         (arc_autovectorize_vector_sizes): Likewise.
7466         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7467         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7468         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7469         (arc_init_builtins): Add new SIMD builtin types.
7470         (arc_split_move): Handle 64 bit vector moves.
7471         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7472         (TARGET_PLUS_QMACW): Define.
7473         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7474         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7475         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7476         (VSUBADD4H): New builtins.
7477         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7478         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7479
7480 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7481             Matthias Klose  <doko@debian.org>
7482
7483         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7484
7485 2016-04-28  Richard Biener  <rguenther@suse.de>
7486
7487         PR middle-end/70777
7488         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7489         canonicalization.
7490
7491 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7492
7493         * common/config/sh/sh-common.c: Remove SH5 support.
7494         * config/sh/constraints.md: Likewise.
7495         * config/sh/config/sh/elf.h: Likewise.
7496         * config/sh/linux.h: Likewise.
7497         * config/sh/netbsd-elf.h: Likewise.
7498         * config/sh/predicates.md: Likewise.
7499         * config/sh/sh-c.c: Likewise.
7500         * config/sh/sh-protos.h: Likewise.
7501         * config/sh/sh.c: Likewise.
7502         * config/sh/sh.h: Likewise.
7503         * config/sh/sh.md: Likewise.
7504         * config/sh/sh.opt: Likewise.
7505         * config/sh/sync.md: Likewise.
7506         * config/sh/sh64.h: Delete.
7507         * config/sh/shmedia.h: Likewise.
7508         * config/sh/shmedia.md: Likewise.
7509         * config/sh/sshmedia.h: Likewise.
7510         * config/sh/t-netbsd-sh5-64: Likewise.
7511         * config/sh/t-sh64: Likewise.
7512         * config/sh/ushmedia.h: Likewise.
7513
7514 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7515
7516         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7517         general_reg_operand instead of register_operand predicate.
7518
7519 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7520
7521         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7522
7523 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7524
7525         * match.pd (A - B > A, A + B < A): New transformations.
7526
7527 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7528
7529         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7530         which defaults to true.  Emit an outer pair of parentheses only if
7531         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7532         don't emit parentheses for the right-hand operand.
7533
7534 2016-04-27  Jeff Law  <law@redhat.com>
7535
7536         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7537
7538 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7539
7540         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7541         (altivec_lvx_<mode>_internal): Document.
7542         (altivec_lvx_<mode>_2op): New define_insn.
7543         (altivec_lvx_<mode>_1op): Likewise.
7544         (altivec_lvx_<mode>_2op_si): Likewise.
7545         (altivec_lvx_<mode>_1op_si): Likewise.
7546         (altivec_stvx_<mode>): Remove.
7547         (altivec_stvx_<mode>_internal): Document.
7548         (altivec_stvx_<mode>_2op): New define_insn.
7549         (altivec_stvx_<mode>_1op): Likewise.
7550         (altivec_stvx_<mode>_2op_si): Likewise.
7551         (altivec_stvx_<mode>_1op_si): Likewise.
7552         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7553         Expand vec_ld and vec_st during parsing.
7554         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7555         changes.
7556         (altivec_expand_stvx_be): Likewise.
7557         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7558         address-masking behavior in RTL.
7559         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7560         address-masking behavior in RTL.
7561         (altivec_expand_builtin): Change builtin code arguments for calls
7562         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7563         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7564         presence of lvx/stvx patterns.
7565         (alignment_with_canonical_addr): New function.
7566         (alignment_mask): Likewise.
7567         (find_alignment_op): Likewise.
7568         (recombine_lvx_pattern): Likewise.
7569         (recombine_stvx_pattern): Likewise.
7570         (recombine_lvx_stvx_patterns): Likewise.
7571         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7572         stvx patterns from expand.
7573         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7574         expansions.
7575         (vector_altivec_store_<mode>): Likewise.
7576
7577 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7578
7579         * config/aarch64/aarch64.md
7580         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7581         remove the "fp" attributes.
7582         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7583         add the "simd" attributes.
7584         (*movdf_aarch64): Likewise.
7585         (*movtf_aarch64): Remove the "fp" attributes.
7586         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7587         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7588
7589 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7590
7591         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7592         rtx to rtx_code_label *.
7593         * rtl.h (maybe_set_first_label_num): Likewise.
7594
7595 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7596
7597         * df-core.c (df_add_problem): Make the problem param be const.
7598         (df_remove_problem): Make local "problem" be const.
7599         * df-problems.c (problem_RD): Make const.
7600         (problem_LR): Likewise.
7601         (problem_LIVE): Likewise.
7602         (problem_MIR): Likewise.
7603         (problem_CHAIN): Likewise.
7604         (problem_WORD_LR): Likewise.
7605         (problem_NOTE): Likewise.
7606         (problem_MD): Likewise.
7607         * df-scan.c (problem_SCAN): Likewise.
7608         * df.h (struct df_problem): Make field "dependent_problem" be
7609         const.
7610         (struct dataflow): Likewise for field "problem".
7611         (df_add_problem): Make param const.
7612
7613 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7614
7615         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7616         inter-unit moves to/from vector registers are enabled.  Do not disable
7617         for TARGET_MMX.
7618
7619 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7620
7621         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7622         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7623         #define to...
7624         (enum df_problem_id): ...this new enum.
7625         (struct df_problem): Convert field "id" from "int" to
7626         enum df_problem_id.
7627
7628 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7629
7630         * rtl.def: Update comment for "things in the instruction chain" to
7631         reflect the removal of the leading "i" field for INSN_UID in
7632         r210360.  Fix bogus apostrophe.
7633
7634 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7635
7636         * config/i386/i386.md
7637         (lea arith with mem operand + setcc peephole2): Set operator mode.
7638
7639 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7640
7641         PR target/70155
7642         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7643         (dimode_scalar_to_vector_candidate_p): This.
7644         (timode_scalar_to_vector_candidate_p): New function.
7645         (scalar_to_vector_candidate_p): Likewise.
7646         (timode_check_non_convertible_regs): Likewise.
7647         (timode_remove_non_convertible_regs): Likewise.
7648         (remove_non_convertible_regs): Likewise.
7649         (remove_non_convertible_regs): Renamed to ...
7650         (dimode_remove_non_convertible_regs): This.
7651         (scalar_chain::~scalar_chain): Make it virtual.
7652         (scalar_chain::compute_convert_gain): Make it pure virtual.
7653         (scalar_chain::mark_dual_mode_def): Likewise.
7654         (scalar_chain::convert_insn): Likewise.
7655         (scalar_chain::convert_registers): Likewise.
7656         (scalar_chain::add_to_queue): Make it protected.
7657         (scalar_chain::emit_conversion_insns): Likewise.
7658         (scalar_chain::replace_with_subreg): Likewise.
7659         (scalar_chain::replace_with_subreg_in_insn): Likewise.
7660         (scalar_chain::convert_op): Likewise.
7661         (scalar_chain::convert_reg): Likewise.
7662         (scalar_chain::make_vector_copies): Likewise.
7663         (scalar_chain::convert_registers): New pure virtual function.
7664         (class dimode_scalar_chain): New class.
7665         (class timode_scalar_chain): Likewise.
7666         (scalar_chain::mark_dual_mode_def): Renamed to ...
7667         (dimode_scalar_chain::mark_dual_mode_def): This.
7668         (timode_scalar_chain::mark_dual_mode_def): New function.
7669         (timode_scalar_chain::convert_insn): Likewise.
7670         (dimode_scalar_chain::convert_registers): Likewise.
7671         (scalar_chain::compute_convert_gain): Renamed to ...
7672         (dimode_scalar_chain::compute_convert_gain): This.
7673         (scalar_chain::replace_with_subreg): Renamed to ...
7674         (dimode_scalar_chain::replace_with_subreg): This.
7675         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7676         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7677         (scalar_chain::make_vector_copies): Renamed to ...
7678         (dimode_scalar_chain::make_vector_copies): This.
7679         (scalar_chain::convert_reg): Renamed to ...
7680         (dimode_scalar_chain::convert_reg ): This.
7681         (scalar_chain::convert_op): Renamed to ...
7682         (dimode_scalar_chain::convert_op): This.
7683         (scalar_chain::convert_insn): Renamed to ...
7684         (dimode_scalar_chain::convert_insn): This.
7685         (scalar_chain::convert): Call convert_registers.
7686         (convert_scalars_to_vector): Change to scalar_chain pointer to
7687         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7688         in 32-bit mode.  Delete scalar_chain pointer.  Call
7689         free_dominance_info in 64-bit mode.
7690         (pass_stv::gate): Remove TARGET_64BIT check.
7691         (ix86_option_override): Put the 64-bit STV pass before the CSE
7692         pass.
7693
7694 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
7695
7696         * dwarf2out.h (struct dw_loc_descr_node): Remove the
7697         dw_loc_frame_offset field.
7698         * dwarf2out.c (new_loc_descr): Likewise.
7699         (resolve_args_picking_1): Turn the VISITED hash set into a
7700         FRAME_OFFSET hash map. Use it to associate a frame offset to
7701         visited nodes. Remove uses of the CHECKING_P macro.
7702         (resolve_args_picking): Update call to resolve_args_picking_1.
7703
7704 2016-04-27  Martin Liska  <mliska@suse.cz>
7705
7706         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7707         (free_loop_data): Release vuses of groups.
7708
7709 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
7710
7711         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7712         instead of redundant use_id and boolean have_use_for.
7713         (struct iv_use): Change sub_id into group_id.  Remove field next.
7714         Move fields: related_cands, n_map_members, cost_map and selected
7715         to ...
7716         (struct iv_group): ... here.  New structure.
7717         (struct iv_common_cand): Use structure declaration directly.
7718         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7719         (MAX_CONSIDERED_USES): Rename macro to ...
7720         (MAX_CONSIDERED_GROUPS): ... here.
7721         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7722         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7723         (dump_uses): Rename to ...
7724         (dump_groups): ... here.  Update all uses.
7725         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7726         (find_induction_variables): Refactor format of dump information.
7727         (record_sub_use): Delete.
7728         (record_use): Update all uses.
7729         (record_group): New function.
7730         (record_group_use, find_interesting_uses_op): Call above functions.
7731         Update all uses.
7732         (find_interesting_uses_cond): Ditto.
7733         (group_compare_offset): New function.
7734         (split_all_small_groups): Rename to ...
7735         (split_small_address_groups_p): ... here.  Update all uses.
7736         (split_address_groups):  Update all uses.
7737         (find_interesting_uses): Refactor format of dump information.
7738         (add_candidate_1): Update all uses.  Remove redundant check on iv,
7739         base and step.
7740         (add_candidate, record_common_cand): Remove redundant assert.
7741         (add_iv_candidate_for_biv): Update use.
7742         (add_iv_candidate_derived_from_uses): Update all uses.
7743         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7744         (alloc_use_cost_map): Ditto.
7745         (set_use_iv_cost, get_use_iv_cost): Rename to ...
7746         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
7747         (determine_use_iv_cost_generic): Ditto.
7748         (determine_group_iv_cost_generic): Ditto.
7749         (determine_use_iv_cost_address): Ditto.
7750         (determine_group_iv_cost_address): Ditto.
7751         (determine_use_iv_cost_condition): Ditto.
7752         (determine_group_iv_cost_cond): Ditto.
7753         (determine_use_iv_cost): Ditto.
7754         (determine_group_iv_cost): Ditto.
7755         (set_autoinc_for_original_candidates): Update all uses.
7756         (find_iv_candidates): Update all uses.  Refactor dump information.
7757         (determine_use_iv_costs): Ditto.
7758         (determine_iv_costs): Ditto.
7759         (iv_ca_cand_for_use): Rename to ...
7760         (iv_ca_cand_for_group): ... here.  Update all uses.
7761         (iv_ca_add_use, iv_ca_add_group): Ditto.
7762         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7763         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7764         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7765         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7766         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7767         (create_new_iv, adjust_iv_update_pos): Ditto.
7768         (rewrite_use_address): Delete.
7769         (rewrite_use_address_1): Rename to ...
7770         (rewrite_use_address): ... here.
7771         (rewrite_use_compare): Update all uses.
7772         (rewrite_use): Delete.
7773         (rewrite_uses): Rename to ...
7774         (rewrite_groups): ... here.  Update all uses.
7775         (remove_unused_ivs, free_loop_data): Update all uses.
7776         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7777
7778 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7779
7780         * rtlanal.c (nonzero_bits1): Convert preprocessor check
7781         for WORD_REGISTER_OPERATIONS to runtime check.
7782
7783 2016-04-27  Richard Biener  <rguenther@suse.de>
7784
7785         PR ipa/70760
7786         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7787         aggregate_value_p to determine if a function result is
7788         returned by reference.
7789         (ipa_pta_execute): Functions having their address taken are
7790         not automatically nonlocal.
7791
7792 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7793
7794         PR sanitizer/70683
7795         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7796         * fold-const.c (operand_equal_p): If flag_checking and
7797         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7798         and if it returns non-zero, assert iterative_hash_expr on both
7799         args is the same.
7800
7801 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7802
7803         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7804
7805 2016-04-27  Nick Clifton  <nickc@redhat.com>
7806
7807         PR middle-end/49889
7808         * varasm.c (merge_weak): Generate an error if an attempt is made
7809         to convert a non-weak static function into a weak, public function.
7810
7811 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7812
7813         * params.def (MAX_PARTITION_SIZE): New param.
7814         * doc/invoke.texi: Document lto-max-partition.
7815
7816 2016-04-27  Richard Biener  <rguenther@suse.de>
7817
7818         PR ipa/70785
7819         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7820         function cummulating used_from_other_partition, externally_visible
7821         and force_output from aliases.
7822         (refered_from_nonlocal_var): Likewise.
7823         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7824         node flags properly.
7825
7826 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7827
7828         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7829         (-Wmemset-elt-size): New item.
7830
7831 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
7832
7833         PR ada/70759
7834         * stor-layout.h (internal_reference_types): Delete.
7835         * stor-layout.c (reference_types_internal): Likewise.
7836         (internal_reference_types): Likewise.
7837         (layout_type) <REFERENCE_TYPE>: Adjust.
7838
7839 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7840
7841         PR sanitizer/70683
7842         * tree.h (inchash::add_expr): Add FLAGS argument.
7843         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
7844         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
7845         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7846         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
7847         if swap_tree_comparison (code) is smaller than code, hash that
7848         and arguments in the other order.  Hash CONVERT_EXPR the same
7849         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7850         of ADDR_EXPR of decl as the decl itself.  Add or remove
7851         OEP_ADDRESS_OF from recursive flags as needed.  For
7852         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7853         operands commutatively and only the third one normally.
7854         For internal CALL_EXPR hash in CALL_EXPR_IFN.
7855
7856 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7857
7858         * config/rtems.h (LIB_SPEC): Add -latomic.
7859
7860 2016-04-27  Joel Sherrill  <joel@rtems.org>
7861
7862         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7863         xilink.ld and flags not relevant to RTEMS.
7864
7865 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
7866
7867         * toplev.c (backend_init_target): Avoid calling init_reload when using
7868         LRA.
7869
7870 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7871
7872         * reorg.c (try_merge_delay_insns): Declare i and j inside the
7873         for loops rather than one for the whole function.
7874
7875 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7876
7877         * match.pd (X + CST CMP X): New transformation.
7878
7879 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7880
7881         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7882         * fold-const.c (fold_binary_loc): Remove 2 transformations
7883         superseded by match.pd.
7884         * match.pd (x+x -> x*2): Generalize to integers.
7885
7886 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
7887
7888         * config/i386/i386.md (operation on memory peephole): Duplicate an
7889         existing peephole and adapt it to match lea rather than an operation
7890         that clobbers CC.
7891
7892         PR rtl-optimization/57193
7893         * opts.c (default_options_table): Add OPT_frename_registers at -O2
7894         and above.
7895         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7896
7897 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7898
7899         * tree-if-conv.c (any_pred_load_store): New static variable.
7900         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
7901         any_pred_load_store instead of and_mask_load_store.
7902         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7903         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7904         (combine_blocks, tree_if_conversion): Ditto.
7905
7906 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7907
7908         PR tree-optimization/70771
7909         PR tree-optimization/70775
7910         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7911         virtual PHI nodes.  Delete parameter.
7912         (if_convertible_loop_p_1): Delete argument to above function.
7913         (predicate_all_scalar_phis): Delete code handling single-argument
7914         PHIs.
7915         (tree_if_conversion): Mark and update virtual SSA.
7916
7917 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7918
7919         PR target/61821
7920         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7921         (x86_elf_aligned_common): Rename to ...
7922         (x86_elf_aligned_decl_common): ... this.
7923         Add decl arg.  Switch to .lbss for largecomm object.  Use
7924         LARGECOMM_SECTION_ASM_OP.
7925         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7926         renaming.
7927         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7928         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7929         Pass new decl arg.
7930         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7931         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7932
7933 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7934
7935         PR target/59407
7936         * config/i386/i386.c (SECTION_LARGE): Define.
7937         (x86_64_elf_select_section): Set it for large data/bss sections.
7938         Only clear SECTION_WRITE for .lrodata.
7939         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7940         data/bss sections.
7941         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7942         * varasm.c (default_elf_asm_named_section): Grow flagchars.
7943         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7944         SECTION_MACH_DEP.
7945         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7946         * doc/tm.texi: Regenerate.
7947
7948 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7949
7950         PR bootstrap/70704
7951         * configure.ac (--enable-checking): Document extra flag, for
7952         non-release builds default to --enable-checking=yes,extra.
7953         If misc checking and extra checking, define CHECKING_P to 2 instead
7954         of 1.
7955         * common.opt (fchecking=): Add.
7956         * doc/invoke.texi (-fchecking=): Document.
7957         * doc/install.texi: Document --enable-checking changes.
7958         * configure: Regenerated.
7959         * config.in: Regenerated.
7960
7961 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7962
7963         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7964         attribute instead of which_alternative.
7965         * config/i386/sse.md (*mov<mode>_internal): Ditto.
7966         Use EXT_REX_SSE_REG_P where appropriate.
7967
7968 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7969
7970         * config/i386/predicates.md (const0_operand): Do not match
7971         const_wide_int code.
7972         (const1_operand): Ditto.
7973
7974 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7975
7976         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7977         for SSE constm1 operands and TARGET_AVX512VL.
7978         (*movti_internal): Ditto.
7979         (*mov<mode>_or): Use constm1_operand predicate.
7980         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7981         for SSE vector_all_ones operands and TARGET_AVX512VL.
7982         * config/i386/predicates.md (constm1_operand): New predicate.
7983         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7984         emission of constant -1 load.
7985
7986 2016-04-25  Jason Merrill  <jason@redhat.com>
7987
7988         * gdbinit.in: Skip is-a.h.
7989
7990         * attribs.c (register_scoped_attributes): Fix logic.
7991         * attribs.h: Declare register_scoped_attributes.
7992
7993 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7994
7995         * config/rs6000/rs6000-builtin.def: Correct pasto error for
7996         stxvd2x and stxvw4x built-in functions.
7997
7998 2016-04-25  DJ Delorie  <dj@redhat.com>
7999
8000         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
8001         (ashrhi3): Likewise.
8002         (lshrhi3): Likewise.
8003
8004 2016-04-25  Richard Biener  <rguenther@suse.de>
8005
8006         PR tree-optimization/70780
8007         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
8008         wasn't visited yet.
8009         (compute_antic): Mark blocks with abnormal preds as visited as
8010         they have a final empty antic-in solution already.
8011
8012 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8013
8014         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
8015
8016 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8017
8018         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
8019         mode is VQI to improve mixed mode vectorization.
8020         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
8021         define_insn to match low half of signed vaddw.
8022         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
8023         define_insn to match high half of signed vaddw.
8024         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
8025         define_insn to match low half of unsigned vaddw.
8026         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
8027         define_insn to match high half of unsigned vaddw.
8028         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
8029         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8030         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
8031         for new function.
8032         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8033         * config/arm/predicates.md (vect_par_constant_high): Support
8034         big endian and simplify by calling
8035         arm_simd_check_vect_par_cnst_half
8036         (vect_par_constant_low): Likewise.
8037
8038 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8039
8040         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
8041         predicate for operand 2.
8042
8043 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
8044             H.J. Lu  <hongjiu.lu@intel.com>
8045
8046         * config/i386/i386-protos.h (standard_sse_constant_p): Add
8047         machine_mode argument.
8048         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
8049         constm1_rtx operands.  For VOIDmode constants, get mode from
8050         pred_mode.  Check mode size if the mode is supported by ABI.
8051         (standard_sse_constant_opcode): Do not use standard_constant_p.
8052         Strictly check ABI support for all-ones operands.
8053         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
8054         immediates. Update calls to standard_sse_constant_p.
8055         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
8056         (ix86_rtx_costs): Ditto.
8057         * config/i386/i386.md (*movxi_internal_avx512f): Use
8058         nonimmediate_or_sse_const_operand instead of vector_move_operand.
8059         Use (v,BC) alternative instead of (v,C). Use register_operand
8060         checks instead of MEM_P.
8061         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
8062         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
8063         isa attribute.  Use register_operand checks instead of MEM_P.
8064         (*movti_internal): Use nonimmediate_or_sse_const_operand for
8065         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
8066         alternative and corresponding sse2 isa attribute.
8067         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
8068         to standard_sse_constant_p.
8069         (FP constant splitters): Ditto.
8070         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
8071         (C): Ditto.
8072         * config/i386/predicates.md (constm1_operand): Remove.
8073         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
8074         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
8075         vector_all_ones_operand instead of constm1_operand.
8076
8077 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8078
8079         * print-rtl.c (print_rtx_insn_vec): New function.
8080         * print-rtl.h: New prototype.
8081         * store-motion.c (struct st_expr): Make avail_stores a vector.
8082         (st_expr_entry): Adjust.
8083         (free_st_expr_entry): Likewise.
8084         (print_store_motion_mems): Likewise.
8085         (find_moveable_store): Likewise.
8086         (compute_store_table): Likewise.
8087         (delete_store): Likewise.
8088         (build_store_vectors): Likewise.
8089
8090 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8091
8092         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
8093
8094 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8095
8096         * vec.h (vec_safe_contains): New function.
8097         (vec::contains): Likewise.
8098         (vec::begin): Likewise.
8099         (vec::end): Likewise.
8100
8101 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
8102
8103         PR sanitizer/70712
8104         * cfgexpand.c (expand_stack_vars): Fix typo.
8105
8106 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8107
8108         * system.h (list, map, set, vector): Include conditionally.
8109         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
8110         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
8111         * ipa-icf.c (INCLUDE_LIST): Define.
8112         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
8113         * config/sh/sh.c (INCLUDE_VECTOR): Define.
8114         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
8115         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
8116         * cp/logic.cc (INCLUDE_LIST): Define.
8117         * fortran/trans-common.c (INCLUDE_MAP): Define.
8118
8119 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8120
8121         * auto-profile.c: Remove <string.h> include.
8122         * ipa-icf-gimple.c: Remove <list> include.
8123         * diagnostic.c: Remove <new> include.
8124         * genmatch.c: Likewise.
8125         * pretty-print.c: Likewise.
8126         * toplev.c: Likewise
8127         * c/c-objc-common.c: Likewise.
8128         * cp/error.c: Likewise.
8129         * fortran/error.c: Likewise.
8130
8131 2016-04-22  Richard Biener  <rguenther@suse.de>
8132
8133         * lto-streamer-in.c (input_ssa_names): Do not allocate
8134         GIMPLE_NOP for all SSA names.
8135         * lto-streamer-out.c (output_ssa_names): Do not output
8136         SSA names that should have been released.
8137
8138 2016-04-22  Richard Biener  <rguenther@suse.de>
8139
8140         PR tree-optimization/70740
8141         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
8142         VDEF.
8143
8144 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
8145
8146         PR target/70750
8147         * config/i386/predicates.md (call_insn_operand): Replace
8148         sibcall_memory_operand with memory_operand.
8149
8150 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
8151
8152         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
8153         has_single_use() tests.
8154         (register_edge_assert_for_1): Likewise.
8155         (find_assert_locations_1): Check the liveness bitmap instead of
8156         checking has_single_use().
8157
8158 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
8159
8160         PR target/70728
8161         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
8162         Extract AVX-512BW constraint from AVX.
8163
8164 2016-04-21  Richard Biener  <rguenther@suse.de>
8165
8166         PR tree-optimization/70725
8167         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
8168         for phi_convertible_by_degenerating_args.
8169         (predicate_all_scalar_phis): Handle single-argument PHIs.
8170
8171 2016-04-21  Richard Biener  <rguenther@suse.de>
8172
8173         PR middle-end/70747
8174         * fold-const.c (fold_comparison): Return properly typed
8175         constant boolean.
8176
8177 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
8178
8179         PR tree-optimization/70715
8180         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
8181         after expanding BASE using expand_simple_operations.
8182
8183 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8184
8185         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
8186         New transformations.
8187
8188 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8189
8190         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
8191
8192 2016-04-20  Jan Hubicka  <jh@suse.cz>
8193
8194         * ipa-inline.c (can_inline_edge_p): Pass caller info to
8195         ultiimate_alias_target.
8196         (update_callee_keys): Likewise.
8197         (lookup_recursive_calls): Likewise.
8198         (speculation_useful_p): Likewise.
8199
8200 2016-04-20  Jan Hubicka  <jh@suse.cz>
8201
8202         PR ipa/70018
8203         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
8204         (set_nothrow_flag_1): ... this; handle interposition correctly;
8205         recurse on aliases and thunks.
8206         (cgraph_node::set_nothrow_flag): New.
8207         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8208         functions compiled with non-call exceptions that binds to current
8209         def.
8210         (propagate_nothrow): Be safe WRT interposition.
8211         * cgraph.h (set_nothrow_flag): Update prototype.
8212
8213 2016-04-18  Jan Hubicka  <jh@suse.cz>
8214
8215         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8216         max_loop_iterations_int.
8217         (tree_unswitch_outer_loop): Likewise.
8218
8219 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8220
8221         PR tree-optimization/69489
8222         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8223         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8224         Revise dump message.
8225         (if_convertible_bb_p): Remove check on edge count of basic block's
8226         predecessors.
8227
8228 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8229
8230         PR tree-optimization/56625
8231         PR tree-optimization/69489
8232         * tree-data-ref.h (DR_INNERMOST): New macro.
8233         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8234         hashing struct innermost_loop_behavior.
8235         (ref_DR_map): Remove.
8236         (innermost_DR_map): New map.
8237         (baseref_DR_map): Revise comment.
8238         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8239         to innermost_DR_map accroding to its innermost loop behavior.
8240         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8241         to its innermost loop behavior.
8242         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8243         Add initialization for innermost_DR_map.  Record memory reference
8244         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8245         have innermost loop behavior.
8246         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8247         innermost_DR_map.
8248
8249 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8250
8251         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8252         *lea_general_1.  Use explicit SWI12 mode interator.
8253         (*lea<mode>_general_2): Rename from *lea_general_2.
8254         Use explicit SWI12 mode interator.
8255         (*lea<mode>_general_3): Rename from *lea_general_3.
8256         Use explicit SWI12 mode interator.
8257         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8258         Use explicit SWI12 mode interator.
8259         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8260         Use explicit SWI48 mode interator.
8261
8262 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8263
8264         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8265         Short-cut unaligned load and store cases.  Handle all integer
8266         vector modes.
8267         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8268         and store cases.  Call ix86_avx256_split_vector_move_misalign
8269         directly without checking mode class.
8270
8271 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8272             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8273
8274         PR target/64971
8275         * config/aarch64/aarch64.md (sibcall): Force call
8276         address to be DImode for ILP32.
8277         (sibcall_value): Likewise.
8278
8279 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8280
8281         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8282
8283 2016-04-20  Richard Biener  <rguenther@suse.de>
8284
8285         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8286         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8287         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8288         (maybe_push_res_to_seq): Adjust.
8289         * gimple-fold.c (maybe_build_generic_op): Likewise.
8290
8291 2016-04-20  Marek Polacek  <polacek@redhat.com>
8292
8293         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8294         rather than true.
8295
8296 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8297
8298         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8299         use kmovw to support AVX512F target.
8300
8301 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8302
8303         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8304
8305 2016-04-20  Marek Polacek  <polacek@redhat.com>
8306
8307         PR tree-optimization/70725
8308         * tree-if-conv.c (is_false_predicate): New function.
8309         (predicate_mem_writes): Use it.
8310
8311 2016-04-20  Richard Biener  <rguenther@suse.de>
8312
8313         PR tree-optimization/70726
8314         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8315         shift amounts from a pattern stmt operand.
8316
8317 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8318
8319         PR target/70674
8320         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8321         stack_restore_from_fpr pattern when restoring r15.
8322         (s390_optimize_prologue): Strip away the memory barrier in the
8323         parallel when trying to get rid of restore insns.
8324         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8325         definition for loading the stack pointer from an FPR.  Compared to
8326         the normal move insn this pattern includes a full memory barrier.
8327
8328 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8329
8330         PR middle-end/70680
8331         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8332         implicitly linear or lastprivate iterator on the outer context.
8333
8334 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8335
8336         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8337         alignment check.
8338         * config/i386/i386.md (ssememalign): Removed.
8339         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8340
8341 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8342
8343         PR target/69201
8344         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8345         const short * to __builtin_ia32_loaddquhi512_mask.
8346         (_mm512_maskz_loadu_epi16): Likewise.
8347         (_mm512_mask_storeu_epi16): Pass short * to
8348         __builtin_ia32_storedquhi512_mask.
8349         (_mm512_mask_loadu_epi8): Pass const char * to
8350         __builtin_ia32_loaddquqi512_mask.
8351         (_mm512_maskz_loadu_epi8): Likewise.
8352         (_mm512_mask_storeu_epi8): Pass char * to
8353         __builtin_ia32_storedquqi512_mask.
8354         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8355         const double * to __builtin_ia32_loadupd512_mask.
8356         (_mm512_mask_loadu_pd): Likewise.
8357         (_mm512_maskz_loadu_pd): Likewise.
8358         (_mm512_storeu_pd): Pass double * to
8359         __builtin_ia32_storeupd512_mask.
8360         (_mm512_mask_storeu_pd): Likewise.
8361         (_mm512_loadu_ps): Pass const float * to
8362         __builtin_ia32_loadups512_mask.
8363         (_mm512_mask_loadu_ps): Likewise.
8364         (_mm512_maskz_loadu_ps): Likewise.
8365         (_mm512_storeu_ps): Pass float * to
8366         __builtin_ia32_storeups512_mask.
8367         (_mm512_mask_storeu_ps): Likewise.
8368         (_mm512_mask_loadu_epi64): Pass const long long * to
8369         __builtin_ia32_loaddqudi512_mask.
8370         (_mm512_maskz_loadu_epi64): Likewise.
8371         (_mm512_mask_storeu_epi64): Pass long long *
8372         to __builtin_ia32_storedqudi512_mask.
8373         (_mm512_loadu_si512): Pass const int * to
8374         __builtin_ia32_loaddqusi512_mask.
8375         (_mm512_mask_loadu_epi32): Likewise.
8376         (_mm512_maskz_loadu_epi32): Likewise.
8377         (_mm512_storeu_si512): Pass int * to
8378         __builtin_ia32_storedqusi512_mask.
8379         (_mm512_mask_storeu_epi32): Likewise.
8380         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8381         char * to __builtin_ia32_storedquqi256_mask.
8382         (_mm_mask_storeu_epi8): Likewise.
8383         (_mm256_mask_loadu_epi16): Pass const short * to
8384         __builtin_ia32_loaddquhi256_mask.
8385         (_mm256_maskz_loadu_epi16): Likewise.
8386         (_mm_mask_loadu_epi16): Pass const short * to
8387         __builtin_ia32_loaddquhi128_mask.
8388         (_mm_maskz_loadu_epi16): Likewise.
8389         (_mm256_mask_loadu_epi8): Pass const char * to
8390         __builtin_ia32_loaddquqi256_mask.
8391         (_mm256_maskz_loadu_epi8): Likewise.
8392         (_mm_mask_loadu_epi8): Pass const char * to
8393         __builtin_ia32_loaddquqi128_mask.
8394         (_mm_maskz_loadu_epi8): Likewise.
8395         (_mm256_mask_storeu_epi16): Pass short * to.
8396         __builtin_ia32_storedquhi256_mask.
8397         (_mm_mask_storeu_epi16): Pass short * to.
8398         __builtin_ia32_storedquhi128_mask.
8399         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8400         const double * to __builtin_ia32_loadupd256_mask.
8401         (_mm256_maskz_loadu_pd): Likewise.
8402         (_mm_mask_loadu_pd): Pass onst double * to
8403         __builtin_ia32_loadupd128_mask.
8404         (_mm_maskz_loadu_pd): Likewise.
8405         (_mm256_mask_storeu_pd): Pass double * to
8406         __builtin_ia32_storeupd256_mask.
8407         (_mm_mask_storeu_pd): Pass double * to
8408         __builtin_ia32_storeupd128_mask.
8409         (_mm256_mask_loadu_ps): Pass const float * to
8410         __builtin_ia32_loadups256_mask.
8411         (_mm256_maskz_loadu_ps): Likewise.
8412         (_mm_mask_loadu_ps): Pass const float * to
8413         __builtin_ia32_loadups128_mask.
8414         (_mm_maskz_loadu_ps): Likewise.
8415         (_mm256_mask_storeu_ps): Pass float * to
8416         __builtin_ia32_storeups256_mask.
8417         (_mm_mask_storeu_ps): ass float * to
8418         __builtin_ia32_storeups128_mask.
8419         (_mm256_mask_loadu_epi64): Pass const long long * to
8420         __builtin_ia32_loaddqudi256_mask.
8421         (_mm256_maskz_loadu_epi64): Likewise.
8422         (_mm_mask_loadu_epi64): Pass const long long * to
8423         __builtin_ia32_loaddqudi128_mask.
8424         (_mm_maskz_loadu_epi64): Likewise.
8425         (_mm256_mask_storeu_epi64): Pass long long * to
8426         __builtin_ia32_storedqudi256_mask.
8427         (_mm_mask_storeu_epi64): Pass long long * to
8428         __builtin_ia32_storedqudi128_mask.
8429         (_mm256_mask_loadu_epi32): Pass const int * to
8430         __builtin_ia32_loaddqusi256_mask.
8431         (_mm256_maskz_loadu_epi32): Likewise.
8432         (_mm_mask_loadu_epi32): Pass const int * to
8433         __builtin_ia32_loaddqusi128_mask.
8434         (_mm_maskz_loadu_epi32): Likewise.
8435         (_mm256_mask_storeu_epi32): Pass int * to
8436         __builtin_ia32_storedqusi256_mask.
8437         (_mm_mask_storeu_epi32): Pass int * to
8438         __builtin_ia32_storedqusi128_mask.
8439         * config/i386/i386-builtin-types.def (PCSHORT): New.
8440         (PINT64): Likewise.
8441         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8442         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8443         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8444         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8445         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8446         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8447         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8448         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8449         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8450         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8451         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8452         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8453         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8454         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8455         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8456         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8457         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8458         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8459         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8460         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8461         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8462         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8463         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8464         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8465         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8466         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8467         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8468         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8469         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8470         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8471         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8472         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8473         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8474         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8475         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8476         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8477         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8478         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8479         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8480         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8481         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8482         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8483         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8484         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8485         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8486         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8487         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8488         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8489         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8490         use UNSPEC_STOREU.
8491         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8492         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8493         load nor store.
8494         (ix86_expand_vector_move_misalign): Likewise.
8495         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8496         to scalar function prototype for unaligned load/store builtins.
8497         (ix86_expand_special_args_builtin): Updated.
8498         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8499         (UNSPEC_STOREU): Likewise.
8500         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8501         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8502         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8503         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8504         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8505         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8506         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8507         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8508         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8509         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8510         (<avx512>_storedqu<mode>_mask): Likewise.
8511         (*sse4_2_pcmpestr_unaligned): Likewise.
8512         (*sse4_2_pcmpistr_unaligned): Likewise.
8513         (*mov<mode>_internal): Renamed to ...
8514         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8515         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8516         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8517         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8518
8519 2016-04-19  Richard Biener  <rguenther@suse.de>
8520
8521         PR tree-optimization/70171
8522         * tree-ssa-phiprop.c: Include stor-layout.h.
8523         (phiprop_insert_phi): Handle the aggregate copy case.
8524         (propagate_with_phi): Likewise.
8525
8526 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8527
8528         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8529         instead of simplify_gen_subreg (... , 0).
8530         (ix86_delegitimize_address): Ditto.
8531         (ix86_split_divmod): Ditto.
8532         (ix86_split_copysign_const): Ditto.
8533         (ix86_split_copysign_var): Ditto.
8534         (ix86_expand_args_builtin): Ditto.
8535         (ix86_expand_round_builtin): Ditto.
8536         (ix86_expand_special_args_builtin): Ditto.
8537         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8538         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8539         (udivmodqi4): Ditto.
8540         (absneg splitters): Ditto.
8541         (*jcc_bt<mode>_1): Ditto.
8542
8543 2016-04-19  Richard Biener  <rguenther@suse.de>
8544
8545         PR tree-optimization/70724
8546         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8547         restoring out from ...
8548         (free_scc_vn): ... here.
8549         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8550         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8551         tail merging.
8552         (pass_fre::execute): Restore SSA info.
8553
8554 2016-04-19  Richard Biener  <rguenther@suse.de>
8555
8556         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8557         * gimple-walk.c (walk_gimple_op): Initialize it.
8558         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8559         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8560         remapping SSA names of defs.
8561         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8562         adjustment.
8563
8564 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8565
8566         PR middle-end/70689
8567         * lra-constraints.c (equiv_substition_p): New.
8568         (process_alt_operands): Use it.
8569         (swap_operands): Swap it.
8570         (curr_insn_transform): Update it.
8571
8572 2016-04-18  Michael Matz  <matz@suse.de>
8573
8574         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8575         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8576         * tree-core.h (tree_type_common.align): Use bit-field.
8577         (tree_type_common.spare): New.
8578         (tree_decl_common.off_align): Make smaller.
8579         (tree_decl_common.align): Use bit-field.
8580
8581         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8582         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8583         (scan_sharing_clauses): Ditto.
8584         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8585         (omp_finish_file): Ditto.
8586         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8587         (layout_decl): Ditto.
8588         (relayout_decl): Ditto.
8589         (finalize_record_size): Use SET_TYPE_ALIGN.
8590         (finalize_type_size): Ditto.
8591         (finish_builtin_struct): Ditto.
8592         (layout_type): Ditto.
8593         (initialize_sizetypes): Ditto.
8594         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8595         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8596         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8597         (get_chain_field): Ditto.
8598         (get_trampoline_type): Ditto.
8599         (get_nl_goto_field): Ditto.
8600         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8601         SET_DECL_ALIGN.
8602         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8603         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8604         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8605         (build_qualified_type): Use SET_TYPE_ALIGN.
8606         (build_aligned_type, build_range_type_1): Ditto.
8607         (build_atomic_base): Ditto.
8608         (build_common_tree_nodes): Ditto.
8609         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8610         (expand_one_stack_var_at): Ditto.
8611         * coverage.c (build_var): Use SET_DECL_ALIGN.
8612         * except.c (init_eh): Ditto.
8613         * function.c (assign_parm_setup_block): Ditto.
8614         * symtab.c (increase_alignment_1): Ditto.
8615         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8616         * tree-vect-stmts.c (ensure_base_align): Ditto.
8617         * varasm.c (align_variable): Ditto.
8618         (assemble_variable): Ditto.
8619         (build_constant_desc): Ditto.
8620         (output_constant_def_contents): Ditto.
8621
8622         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8623         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8624         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8625         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8626         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8627
8628 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8629
8630         PR target/70708
8631         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8632         replace %vmovsd with "%vmovq".
8633         (vec_concatv2df): Likewise.
8634
8635 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8636
8637         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8638         (*vec_extractv2si_0): Ditto.
8639         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8640         (zero_extended_scalar_load_operand splitters): Ditto.
8641         (vec_extract splitters): Ditto.
8642         (*vec_extractv4si_0_zext): Ditto.
8643         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8644         and lowpart_subreg.
8645         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8646         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8647         (*sse4_1_extractps): Use lowpart_subreg.
8648         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8649
8650 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8651
8652         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8653         gld requirements.
8654         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8655         Mention Solaris 11 packaging changes.
8656         Update gas and gld requirements.
8657         Remove reference to pre-Solaris 10 bug.
8658         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8659         systems and bugs.
8660         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8661         with cc.
8662
8663 2016-04-17  Jan Hubicka  <jh@suse.cz>
8664
8665         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8666         max_loop_iterations_int.
8667
8668 2016-04-18  Richard Biener  <rguenther@suse.de>
8669
8670         PR tree-optimization/43434
8671         * tree-ssa-structalias.c (struct vls_data): New.
8672         (visit_loadstore): Handle all pointer-based accesses.
8673         (compute_dependence_clique): Compute a bitmap of restrict tags
8674         assigned bases and pass it to visit_loadstore.
8675
8676 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
8677
8678         PR target/70711
8679         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8680         armv8.1-a and armv8.1-a+crc.
8681
8682 2016-04-18  Richard Biener  <rguenther@suse.de>
8683
8684         PR tree-optimization/70701
8685         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8686         references after translating through a memcpy.
8687
8688 2016-04-18  Richard Biener  <rguenther@suse.de>
8689
8690         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8691         (compute_antic): ... here.  For partial antic use regular
8692         postorder and scrap iteration.
8693         (compute_partial_antic_aux): Remove unused return value.
8694         (init_pre): Do not allocate postorder.
8695         (fini_pre): Do not free postorder.
8696
8697 2016-04-18  Richard Biener  <rguenther@suse.de>
8698
8699         PR middle-end/37870
8700         * expmed.c (extract_bit_field_1): Remove broken case
8701         using a wider MODE_INT mode.
8702
8703 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
8704
8705         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8706         unless compiling with at least GCC-4.8.
8707
8708 2016-04-17  Jan Hubicka  <jh@suse.cz>
8709
8710         PR bootstrap/70706
8711         * graphite.c (graphite_finalize): Update call to
8712         tree_estimate_probability.
8713         * predict.h (tree_estimate_probability): Update prototype.
8714
8715 2016-04-17  Jan Hubicka  <jh@suse.cz>
8716
8717         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8718         (tree_estimate_probability): Likewise.
8719         (pass_profile::execute): Update.
8720         (report_predictor_hitrates): New function.
8721         * profile.c (compute_branch_probabilities): Use it.
8722         * predict.h (report_predictor_hitrates): Declare.
8723
8724 2016-04-17  Jan Hubicka  <jh@suse.cz>
8725
8726         PR ipa/70018
8727         * cgraph.h (cgraph_node::set_const_flag,
8728         cgraph_node::set_pure_flag): Update prototype to return bool;
8729         update comment.
8730         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8731         of interposable symbol are interposable, too.
8732         (cgraph_set_const_flag_1): Rename to ...
8733         (set_const_flag_1): ... this one; change to self recursive function
8734         instead of call_for_symbol_thunks_and_aliases. Handle correctly
8735         clearnig the flag in all variants and also virtual thunks of const
8736         functions are pure; track if any change was done.
8737         (cgraph_node::set_const_flag): Update.
8738         (struct set_pure_flag_info): New struct.
8739         (cgraph_set_pure_flag_1): Rename to ...
8740         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8741         rather than pointer encoded flags; track if any changes was done;
8742         handle correctly clearning flag and setting flag of aliases already
8743         declared const.
8744         (cgraph_node::set_pure_flag): Update.
8745         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8746
8747 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8748
8749         PR other/70433
8750         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8751         backslash in label.
8752
8753 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8754
8755         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8756         '{}<> ' as escape-for-record.
8757
8758 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8759
8760         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8761         structure.
8762
8763 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8764
8765         PR other/70185
8766         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8767         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8768         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8769         * passes.c (finish_optimization_passes): Only call
8770         finish_graph_dump_file if dfi->graph_dump_initialized.
8771         (execute_function_dump, pass_init_dump_file): Use
8772         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8773
8774 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8775
8776         PR tree-optimization/70256
8777         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8778         (debug_varmap): New function.
8779
8780 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8781
8782         PR other/70183
8783         * passes.c (pass_manager::register_pass): Propagate pflags.
8784
8785 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8786
8787         PR other/68875
8788         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8789         * passes.c (pass_manager::pass_manager): Declare and init p_start in
8790         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
8791         check if it's equal to p_start.
8792         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8793
8794 2016-04-15  Jan Hubicka  <jh@suse.cz>
8795
8796         PR ipa/70018
8797         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8798         function does not bind to current def.
8799         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8800         handle conservatively calls to functions that does not need to bind
8801         to current def.
8802         (check_call): Update call of worse_state.
8803         (ignore_edge_for_nothrow): Update.
8804         (ignore_edge_for_pure_const): Likewise.
8805         (propagate_pure_const): Update calls to worse_state.
8806         (skip_function_for_local_pure_const): Reformat comments.
8807
8808 2016-04-15  Jan Hubicka  <jh@suse.cz>
8809
8810         PR ipa/70018
8811         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8812         (cgraph_node::function_symbol): Likewise.
8813         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8814         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8815         (symtab_node::ultimate_alias_target): Add REF parameter.
8816         (symtab_node::binds_to_current_def_p): Declare.
8817         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8818         (cgraph_node::function_symbol): Likewise.
8819         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8820         (cgraph_node::get_availability): Likewise.
8821         (cgraph_edge::binds_to_current_def_p): New inline function.
8822         (varpool_node::get_availability): Add REF parameter.
8823         (varpool_node::ultimate_alias_target): Likewise.
8824         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8825         (symtab_node::binds_to_current_def_p): Likewise.
8826         * varpool.c (varpool_node::get_availability): Likewise.
8827
8828 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8829
8830         PR target/70662
8831         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8832         Fix mode size check.
8833
8834 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8835
8836         * BASE-VER: Set to 7.0.0.
8837
8838 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
8839
8840         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8841
8842 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8843
8844         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8845         architecture revisions.
8846
8847 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
8848
8849         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8850         * config/i386/i386.c (ix86_using_red_zone): No longer static.
8851         * config/i386/i386.md (stack decrement to push peepholes): Guard
8852         with !x86_using_red_zone ().
8853
8854 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8855
8856         PR c++/70675
8857         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8858         to dump_generic_node.
8859         (NIY): Pass also flags to do_niy.
8860
8861 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
8862
8863         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8864         (simd_clone_vector_of_formal_parm_types)
8865         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8866         (simd_clone_mangle, simd_clone_create)
8867         (simd_clone_adjust_return_type, create_tmp_simd_array)
8868         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8869         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8870         (ipa_simd_modify_function_body, simd_clone_linear_addend)
8871         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8872         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8873         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8874         * omp-simd-clone.c: ... this new file.
8875         (simd_clone_vector_of_formal_parm_types): Make it static.
8876         * Makefile.in (OBJS): Add omp-simd-clone.o.
8877
8878 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8879
8880         PR target/70662
8881         * config/i386/sse.md: Use proper memory operand modifiers.
8882
8883
8884 2016-04-15  Richard Biener  <rguenther@suse.de>
8885         Alan Modra  <amodra@gmail.com>
8886
8887         PR tree-optimization/70130
8888         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8889         when alignment stays not the same and no not use the realign
8890         scheme then.
8891
8892 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8893
8894         PR target/70669
8895         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8896         direct move handlers for KFmode. Change TFmode handlers test from
8897         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8898
8899 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
8900
8901         PR c++/70594
8902         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8903         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8904         (inlined_polymorphic_ctor_dtor_block_p): Use it.
8905         * tree-ssa-live.c (remove_unused_scope_block_p): When
8906         in_ctor_dtor_block, avoid discarding not just BLOCKs with
8907         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8908         block_ultimate_origin is FUNCTION_DECL.
8909         (remove_unused_locals): If current_function_decl is
8910         polymorphic_ctor_dtor_p, pass initial true to
8911         remove_unused_scope_block_p' is_ctor_dtor_block.
8912
8913 2016-04-14  Martin Sebor  <msebor@redhat.com>
8914
8915         PR c++/69517
8916         PR c++/70019
8917         PR c++/70588
8918         * doc/extend.texi (Variable Length): Revert.
8919
8920 2016-04-14  Marek Polacek  <polacek@redhat.com>
8921             Jan Hubicka  <hubicka@ucw.cz>
8922
8923         PR c++/70029
8924         * tree.c (verify_type): Disable the canonical type of main variant
8925         check.
8926
8927 2016-04-14  Jason Merrill  <jason@redhat.com>
8928
8929         * cfgexpand.c, expr.c: Revert previous change.
8930
8931 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
8932
8933         PR middle-end/70643
8934         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8935         when building a mem ref for the incoming reduction variable.
8936
8937 2016-04-14  Richard Biener  <rguenther@suse.de>
8938
8939         PR tree-optimization/70614
8940         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8941         loop if the evolution dropped to chrec_dont_know.
8942         (interpret_condition_phi): Likewise.
8943
8944 2016-04-14  Richard Biener  <rguenther@suse.de>
8945
8946         PR tree-optimization/70623
8947         * tree-ssa-pre.c (changed_blocks): Make global ...
8948         (compute_antic): ... local here.  Move and fix worklist
8949         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8950         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
8951         worklist handling, dump when ANTIC_IN changed.
8952         (compute_partial_antic_aux): Remove worklist handling.
8953         (init_pre): Do not compute post dominators.  Add a comment about
8954         the CFG order chosen.
8955         (fini_pre): Do not free post dominators.
8956
8957 2016-04-13  Martin Sebor  <msebor@redhat.com>
8958
8959         PR c++/69517
8960         PR c++/70019
8961         PR c++/70588
8962         * doc/extend.texi (Variable Length): Document C++ specifics.
8963
8964 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8965
8966         PR c++/70641
8967         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8968         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
8969         eh edges have been purged.
8970
8971         PR c++/70594
8972         * tree-sra.c (create_access_replacement,
8973         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8974         gets fancy name.
8975         * tree-pretty-print.c (dump_fancy_name): New function.
8976         (dump_decl_name, dump_generic_node): Use it.
8977
8978 2016-04-13  Jason Merrill  <jason@redhat.com>
8979
8980         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8981         * expr.c (expand_expr_real_1): Likewise.
8982
8983 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
8984
8985         * config/i386/i386.md (kunpckhi): Swap operands.
8986         (kunpcksi): Likewise.
8987         (kunpckdi): Likewise.
8988         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8989         (vec_pack_trunc_<mode>): Likewise.
8990
8991 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8992
8993         PR debug/70628
8994         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8995
8996         PR middle-end/70633
8997         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8998         gimplification turns some element into non-constant.
8999
9000         PR debug/70628
9001         * rtl.h (convert_memory_address_addr_space_1): New prototype.
9002         * explow.c (convert_memory_address_addr_space_1): No longer static,
9003         add NO_EMIT argument and don't call convert_modes if true, pass
9004         it down recursively, remove break after return.
9005         (convert_memory_address_addr_space): Adjust caller.
9006         * simplify-rtx.c (simplify_unary_operation_1): Call
9007         convert_memory_address_addr_space_1 instead of convert_memory_address,
9008         if it returns NULL, don't simplify.
9009
9010 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
9011
9012         PR target/70630
9013         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
9014
9015 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9016
9017         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9018         Bump the upper SIMDLEN limits, so that if the return type or
9019         characteristic type if the return type is void can be passed in
9020         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
9021         allowed.
9022
9023 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9024
9025         PR target/70640
9026         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
9027         Do not use "=" constraint on an input constraint.
9028         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
9029         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
9030         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
9031         generates (neg (abs ...)) instead of (abs ...).
9032
9033 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9034
9035         PR rtl-optimization/70596
9036         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
9037         just invalidate LRA data and reset them.  Adjust dump wording.
9038
9039 2016-04-12  Martin Liska  <mliska@suse.cz>
9040
9041         Revert
9042         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9043
9044         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9045         estimates here.
9046         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9047         max_loop_iterations_int.
9048         (tree_unswitch_outer_loop): Likewise.
9049         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9050         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9051
9052 2016-04-12  Tom de Vries  <tom@codesourcery.com>
9053
9054         PR tree-optimization/68756
9055         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
9056         instead of new_name.
9057
9058 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9059
9060         PR tree-optimization/70602
9061         * tree-sra.c (generate_subtree_copies): Don't write anything into
9062         constant pool decls.
9063
9064         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
9065         regardless whether there are depend clauses or not.
9066
9067 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9068
9069         PR target/70381
9070         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
9071         target attribute and pragma from changing the -mfloat128
9072         and -mfloat128-hardware options.
9073
9074         * doc/extend.texi (Additional Floating Types): Document PowerPC
9075         __float128 restrictions.
9076
9077 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9078
9079         PR target/70133
9080         * config/aarch64/driver-aarch64.c
9081         (aarch64_get_extension_string_for_isa_flags): New.
9082         (arch_extension): Rename to...
9083         (aarch64_arch_extension): ...This.
9084         (ext_to_feat_string): Rename to...
9085         (aarch64_extensions): ...This.
9086         (aarch64_core_data): Keep track of architecture extension flags.
9087         (cpu_data): Rename to...
9088         (aarch64_cpu_data): ...This.
9089         (aarch64_arch_driver_info): Keep track of architecture extension
9090         flags.
9091         (get_arch_name_from_id): Rename to...
9092         (get_arch_from_id): ...This, change return type.
9093         (host_detect_local_cpu): Update and reformat for renames, handle
9094         extensions through common infrastructure.
9095
9096 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9097
9098         PR target/70133
9099         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
9100         track of a canonical flag name.
9101         (all_extensions): Likewise.
9102         (arch_to_arch_name): Also track extension flags enabled by the arch.
9103         (all_architectures): Likewise.
9104         (aarch64_parse_extension): Move to here.
9105         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
9106         rework.
9107         (aarch64_rewrite_selected_cpu): Update for above change.
9108         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
9109         are handled, such that the single explicit value enabled by an
9110         extension is kept seperate from the implicit values it also enables.
9111         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
9112         to here.
9113         (aarch64_parse_extension): New.
9114         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
9115         here to config/aarch64/aarch64-protos.h.
9116         (aarch64_parse_extension): Move from here to
9117         common/config/aarch64/aarch64-common.c.
9118         (aarch64_option_print): Update.
9119         (aarch64_declare_function_name): Likewise.
9120         (aarch64_start_file): Likewise.
9121         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
9122         the canonical flag for extensions.
9123         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
9124         flags.
9125
9126 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9127
9128         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
9129         AARCH64_FL_CRC.
9130
9131 2016-04-09  Tom de Vries  <tom@codesourcery.com>
9132
9133         PR tree-optimization/68953
9134         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
9135         first to last subscript.
9136
9137 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
9138
9139         PR tree-optimization/70586
9140         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
9141         for any calls.
9142
9143 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
9144
9145         PR lto/70289
9146         PR ipa/70348
9147         PR tree-optimization/70373
9148         PR middle-end/70533
9149         PR middle-end/70534
9150         PR middle-end/70535
9151         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
9152         clauses for acc parallel reductions as necessary.  Error on those
9153         that are private.
9154         * omp-low.c (scan_sharing_clauses): Don't install variables which
9155         are used in acc parallel reductions.
9156         (lower_rec_input_clauses): Remove dead code.
9157         (lower_oacc_reductions): Add support for reference reductions.
9158         (lower_reduction_clauses): Remove dead code.
9159         (lower_omp_target): Don't remap variables appearing in acc parallel
9160         reductions.
9161         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
9162
9163 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
9164
9165         PR middle-end/70593
9166         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
9167         with multiple SSA_NAME defs, force the outputs other than first
9168         to be live before calling live_track_process_def on each output.
9169
9170         PR rtl-optimization/70574
9171         * fwprop.c (forward_propagate_and_simplify): Don't add
9172         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
9173         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
9174         paradoxical subregs within *loc.
9175
9176 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
9177
9178         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
9179         -ftree-parallelize-loops={0,1}.
9180         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
9181         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
9182         * config/ia64/hpux.h (LIB_SPEC): Likewise.
9183         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
9184         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
9185
9186 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
9187
9188         PR sanitizer/70541
9189         * asan.c (instrument_derefs): If we get unknown location, extract it
9190         with EXPR_LOCATION.
9191         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
9192
9193 2016-04-08  Tom de Vries  <tom@codesourcery.com>
9194
9195         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
9196         implicit firstprivate clause.
9197
9198 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9199
9200         PR target/70566
9201         * config/arm/thumb2.md (tst + branch-> lsls + branch
9202         peephole below *orsi_not_shiftsi_si): Require that condition
9203         register is dead after the peephole.
9204         (second peephole after the above): Likewise.
9205
9206 2016-04-08  Alan Modra  <amodra@gmail.com>
9207
9208         PR target/70117
9209         * builtins.c (fold_builtin_classify): For IBM extended precision,
9210         look at just the high-order double to test for NaN.
9211         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9212         test just the high double for Inf but both doubles for subnormal
9213         limit.
9214
9215 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9216
9217         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9218         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9219         node->simdclone->mask_mode != VOIDmode masks.
9220         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9221         earlier, use it instead of node->simdclone.
9222         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9223         Set clonei->mask_mode.
9224
9225 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9226
9227         PR c/70436
9228         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9229         Pass it through to cp_parser_already_scoped_statement.
9230         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9231         it through to cp_parser_statement.
9232         (cp_parser_statement): Pass IF_P through to
9233         cp_parser_iteration_statement.
9234         (cp_parser_pragma): Adjust call to
9235         cp_parser_iteration_statement.
9236
9237 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9238
9239         PR c/70436
9240         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9241         resolve a future -Wparentheses warning.
9242         * omp-low.c (scan_sharing_clauses): Likewise.
9243         * tree-parloops.c (eliminate_local_variables): Likewise.
9244
9245 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9246
9247         PR rtl-optimization/70398
9248         * lra-constraints.c (process_address_1): Check zero scale and code
9249         for reloading with zero scale.
9250
9251 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9252
9253         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9254         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9255
9256 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9257
9258         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9259         Add support for AVX512F clones, include them by default for
9260         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9261         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9262         up to 128.
9263
9264         PR middle-end/70550
9265         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9266         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9267         firstprivate clauses.
9268         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9269         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9270         (lower_omp_target): Set TREE_NO_WARNING for
9271         non-addressable possibly uninitialized vars which are copied into
9272         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9273
9274 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9275
9276         * config/pa/predicates.md (integer_store_memory_operand): Accept
9277         REG+D operands with a large offset when reload_in_progress is true.
9278         (floating_point_store_memory_operand): Likewise.
9279
9280 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9281
9282         PR c++/70336
9283         * match.pd (nested int casts): Limit to GIMPLE.
9284
9285 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9286
9287         PR ipa/66223
9288         * ipa-devirt.c (maybe_record_node): Fix comment; use
9289         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9290
9291 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9292
9293         PR rtl-optimization/70542
9294         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9295         if there are any uses other than insn or debug insns.
9296
9297 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9298             Jakub Jelinek  <jakub@redhat.com>
9299
9300         PR tree-optimization/70509
9301         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9302         Shift HOST_WIDE_INT_1U instead of 1.
9303
9304 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9305
9306         PR tree-optimization/70509
9307         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9308         of the vector base type for index.
9309
9310 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9311
9312         PR target/70510
9313         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9314
9315 2016-04-05  Richard Biener  <rguenther@suse.de>
9316
9317         PR tree-optimization/70526
9318         * tree-sra.c (build_ref_for_offset): Use prev_base to
9319         extract the alias pointer type.
9320
9321 2016-04-05  Richard Biener  <rguenther@suse.de>
9322
9323         * dse.c (struct store_info): Remove alias_set member.
9324         (struct read_info_type): Likewise.
9325         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9326         spill_deleted, clear_alias_set_lookup): Remove.
9327         (get_group_info): Remove dead base == NULL_RTX case.
9328         (dse_step0): Remove initialization of removed variables.
9329         (delete_dead_store_insn): Reomve alias set dumping.
9330         (free_read_records): Remove alias_set handling.
9331         (canon_address): Remove alias_set_out parameter.
9332         (record_store): Remove spill_alias_set, it's always zero.
9333         (check_mem_read_rtx): Likewise.
9334         (dse_step2): Rename from ...
9335         (dse_step2_nospill): ... this.  Adjust.
9336         (scan_stores): Rename from ...
9337         (scan_stores_nospill): ... this.
9338         (scan_reads): Rename from ...
9339         (scan_reads_nospill): ... this.
9340         (scan_stores_spill, scan_reads_spill): Remove.
9341         (dse_step3_scan): Remove for_spills argument which is always false.
9342         (dse_step3): Likewise.
9343         (dse_step5): Rename from ...
9344         (dse_step5_nospill): ... this.  Remove alias_set handling.
9345         (rest_of_handle_dse): Adjust.
9346
9347 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9348
9349         PR target/70525
9350         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9351         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9352         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9353         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9354
9355 2016-04-05  Richard Biener  <rguenther@suse.de>
9356
9357         PR middle-end/70499
9358         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9359         non-register type temporaries into SSA.
9360
9361 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9362
9363         PR ipa/66223
9364         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9365         calls when sanitizing.
9366         (possible_polymorphic_call_target_p): Fix formatting.
9367
9368 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9369             Jakub Jelinek <jakub@redhat.com>
9370
9371         PR middle-end/70457
9372         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9373         to ensure a call statement is compatible with a built-in's
9374         prototype.
9375         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9376         Likewise.
9377
9378 2016-04-04  Richard Biener  <rguenther@suse.de>
9379
9380         PR rtl-optimization/70484
9381         * rtl.h (canon_output_dependence): Declare.
9382         * alias.c (canon_output_dependence): New function.
9383         * dse.c (record_store): Use canon_output_dependence rather
9384         than canon_true_dependence.
9385
9386 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9387
9388         PR ipa/68881
9389         * cgraph.h (symtab_node::copy_visibility_from): New function.
9390         * symtab.c (symtab_node::copy_visibility_from): New function.
9391         * ipa-visibility.c (optimize_weakref): New function.
9392         (function_and_variable_visibility): Use it.
9393
9394 2016-04-04  Martin Liska  <mliska@suse.cz>
9395
9396         PR hsa/70402
9397         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9398         value that is really in range handled by SBR instruction.
9399         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9400         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9401         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9402
9403 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9404
9405         PR target/70416
9406         PR target/67391
9407         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9408         set, but not for SP_REG operands.
9409
9410 2016-04-02  Martin Sebor  <msebor@redhat.com>
9411
9412         PR c++/67376
9413         * fold-const.c (maybe_nonzero_address): New function.
9414         (fold_comparison): Call it.  Fold equality and relational
9415         expressions involving null pointers.
9416         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9417
9418 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9419
9420         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9421         the "Y" constraint (scalar FP 0.0 immediate).
9422
9423         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9424         Add the "const_double" to the list of operand constraints.
9425
9426 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9427
9428         PR rtl-optimization/70467
9429         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9430         If low word of the last operand is 0, just emit addition/subtraction
9431         for the high word.
9432
9433 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9434
9435         PR target/70404
9436         * config/s390/s390.c (s390_expand_insv): Check for everything
9437         constant instead of just VOIDmode stuff.
9438
9439 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9440
9441         PR target/70496
9442         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9443
9444 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9445
9446         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9447
9448 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9449
9450         PR rtl-optimization/70461
9451         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9452         is necessary.
9453
9454 2016-03-31  Martin Liska  <mliska@suse.cz>
9455
9456         PR hsa/70399
9457         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9458         a tree value or an immediate integer value to a buffer
9459         that is eventually copied to a BRIG section.
9460         (emit_immediate_operand): Call the function here.
9461         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9462         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9463         of class' fields that are removed.
9464         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9465         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9466         m_brig_repr_size fields.
9467
9468 2016-03-31  Martin Liska  <mliska@suse.cz>
9469
9470         PR hsa/70391
9471         * hsa-gen.c (hsa_function_representation::update_dominance): New
9472         function.
9473         (convert_addr_to_flat_segment): Likewise.
9474         (gen_hsa_memory_set): New alignment argument.
9475         (gen_hsa_ctor_assignment): Likewise.
9476         (gen_hsa_insns_for_single_assignment): Provide alignment
9477         to gen_hsa_ctor_assignment.
9478         (gen_hsa_insns_for_direct_call): Add new argument.
9479         (expand_lhs_of_string_op): New function.
9480         (expand_string_operation_builtin): Likewise.
9481         (expand_memory_copy): New function.
9482         (expand_memory_set): New function.
9483         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9484         (convert_switch_statements): Change signature.
9485         (generate_hsa): Use a return value of the function.
9486         (pass_gen_hsail::execute): Do not call
9487         convert_switch_statements here.
9488         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9489         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9490         (hsa_function_representation::update_dominance): New function.
9491
9492 2016-03-31  Martin Liska  <mliska@suse.cz>
9493
9494         PR hsa/70391
9495         * hsa-brig.c (emit_directive_variable): Emit alignment
9496         according to hsa_symbol::m_align.
9497         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9498         (dump_hsa_symbol): Dump alignment of HSA symbols.
9499         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9500         (gen_hsa_addr_with_align): New function.
9501         (hsa_bitmemref_alignment): Use newly added function.
9502         (gen_hsa_insns_for_load): Likewise.
9503         (gen_hsa_insns_for_store): Likewise.
9504         (gen_hsa_memory_copy): New argument added.
9505         (gen_hsa_insns_for_single_assignment): Respect
9506         alignment for assignments processed via gen_hsa_memory_copy.
9507         (gen_hsa_insns_for_direct_call): Likewise.
9508         (gen_hsa_insns_for_return): Likewise.
9509         (gen_function_def_parameters): Set default alignment.
9510         * hsa.c (hsa_object_alignment): New function.
9511         (hsa_byte_alignment): Pasted function.
9512         * hsa.h (hsa_symbol::m_align): New field.
9513
9514 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9515
9516         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9517         scratch field for goto case.
9518
9519 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9520
9521         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9522
9523 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9524
9525         PR target/70442
9526         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9527         (scalar_chain::convert_insn): Call convert_op for reg
9528         moves to handle undefined registers.
9529
9530 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9531
9532         PR c++/70393
9533         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9534         Assert we don't want to move backwards.
9535
9536 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9537
9538         PR target/70453
9539         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9540
9541 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9542
9543         PR rtl-optimization/70460
9544         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9545         with operand from REG_LABEL_OPERAND, instead substitute
9546         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9547         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9548
9549 2016-03-31  Martin Liska  <mliska@suse.cz>
9550
9551         * passes.c (execute_one_pass): Do not call
9552         todo_after for a discarded function.
9553
9554 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9555
9556         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9557         (no_cost, infinite_cost): Initialize the new field.
9558         (get_computation_cost_at): Record setup cost.
9559         (determine_use_iv_cost_address): Skip cost computation for sub
9560         uses if we can estimate it without losing accuracy.
9561
9562 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9563
9564         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9565         estimates here.
9566         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9567         max_loop_iterations_int.
9568         (tree_unswitch_outer_loop): Likewise.
9569         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9570         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9571
9572 2016-03-30  Richard Biener  <rguenther@suse.de>
9573
9574         PR middle-end/70450
9575         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9576
9577 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9578
9579         PR target/70421
9580         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9581         in gen_blendm expander.
9582
9583 2016-03-30  Nick Clifton  <nickc@redhat.com>
9584
9585         PR target/62254
9586         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9587         case where we are already provided with an SImode SUBREG.
9588
9589 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9590
9591         PR target/70439
9592         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9593         conflict between DRAP register and __builtin_eh_return.
9594
9595 2016-03-30  Michael Matz  <matz@suse.de>
9596             Richard Biener  <rguenther@suse.de>
9597
9598         PR ipa/12392
9599         * ipa-polymorphic-call.c (struct type_change_info): Change
9600         speculative to an unsigned allowing to limit the work we do.
9601         (csftc_abort_walking_p): New inline function..
9602         (check_stmt_for_type_change): Limit the number of may-defs
9603         skipped for speculative devirtualization to
9604         max-speculative-devirt-maydefs.
9605         * params.def (max-speculative-devirt-maydefs): New param.
9606         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9607
9608 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9609
9610         PR target/63890
9611         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9612         and TARGET_MACHO.
9613
9614 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9615
9616         PR tree-optimization/59124
9617         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9618         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9619
9620 2016-03-29  Jeff Law  <law@redhat.com>
9621
9622         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9623
9624 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9625
9626         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9627         to HOST_WIDE_INT.
9628
9629 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9630
9631         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9632         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9633         gcrt0.o if linking dynamically.
9634
9635 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9636
9637         PR ipa/70283
9638         * ipa-devirt.c (methods_equal_p): New function.
9639         (compare_virtual_tables): Use it.
9640         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9641         * cgraphclones.c (clone_function_name_1): Use
9642         symbol_table::symbol_suffix_separator.
9643         * coverage.c (build_var): Likewise.
9644         * symtab.c (symbol_table::symbol_suffix_separator): New.
9645
9646 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
9647
9648         PR rtl-optimization/70429
9649         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9650         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9651         mode != result_mode.
9652
9653         PR c++/70353
9654         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9655
9656         PR tree-optimization/70405
9657         * ssa-iterators.h (num_imm_uses): Add missing braces.
9658
9659 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9660
9661         PR rtl-optimization/68695
9662         * ira-color.c (allocno_copy_cost_saving): New.
9663         (improve_allocation): Use it.
9664
9665 2016-03-29  Richard Henderson  <rth@redhat.com>
9666
9667         PR middle-end/70355
9668         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9669
9670 2016-03-29  Richard Biener  <rguenther@suse.de>
9671
9672         PR middle-end/70424
9673         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9674         use alignment returned by get_pointer_alignment_1 if it is
9675         bigger than BITS_PER_UNIT.
9676         * builtins.c (get_pointer_alignment_1): Do not return true
9677         for alignment extracted from SSA info.
9678
9679 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
9680
9681         * config/ft32/ft32.opt (mnodiv): New.
9682         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9683         * doc/invoke.texi (FT32 Options -mnodiv): New.
9684
9685 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
9686
9687         PR target/70406
9688         * config/i386/i386.md (define_split, andn): Fix modes.
9689
9690 2016-03-26  Richard Biener  <rguenther@suse.de>
9691             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9692
9693         PR ipa/70366
9694         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9695         instead of
9696         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9697         as 2nd argument to cl_optimization_restore().
9698
9699 2016-03-25  Richard Henderson  <rth@redhat.com>
9700
9701         PR target/70120
9702         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9703         * config/aarch64/aarch64-protos.h: Declare it.
9704         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9705
9706 2016-03-25  Alan Modra  <amodra@gmail.com>
9707
9708         PR target/70052
9709         * config/rs6000/constraints.md (j): Simplify.
9710         * config/rs6000/predicates.md (easy_fp_constant): Exclude
9711         decimal float 0.D.
9712         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9713         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9714          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9715         in all constraint alternatives.
9716         (movtd_64bit_nodm): Delete "j" constraint alternative.
9717
9718 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9719
9720         * tree-ssa-propagate.c: Enhance docs for
9721         SSA_PROP_NOT_INTERESTING.
9722
9723 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9724
9725         * doc/extend.texi: Fix typo in documentation to pure attribute.
9726
9727 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
9728
9729         PR target/70319
9730         * config/pa/pa.md (bswapdi2): Use a scratch register.
9731
9732 2016-03-24  Richard Henderson  <rth@redhat.com>
9733
9734         PR middle-end/69845
9735         * fold-const.c (extract_muldiv_1): Correct test for multiplication
9736         overflow.
9737
9738 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
9739
9740         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9741         using ix86_expand_binary_operator instead of gen_andsi3.
9742
9743 2016-03-24  Richard Biener  <rguenther@suse.de>
9744
9745         PR tree-optimization/70396
9746         * tree-vect-stmts.c (vectorizable_comparison): Use
9747         get_vectype_for_scalar_type.
9748
9749 2016-03-24  Richard Biener  <rguenther@suse.de>
9750
9751         PR middle-end/70370
9752         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9753         with register bases.
9754
9755 2016-03-24  Richard Biener  <rguenther@suse.de>
9756
9757         PR tree-optimization/70372
9758         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9759         build_all_ones_cst to also handle vector types correctly.
9760
9761 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9762
9763         PR target/70381
9764         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9765         -mfloat128 here.
9766
9767 2016-03-23  Marek Polacek  <polacek@redhat.com>
9768
9769         PR c++/69884
9770         * doc/invoke.texi: Document -Wignored-attributes.
9771
9772 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9773
9774         PR tree-optimization/69042
9775         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9776         parameter from 30 to 40.
9777
9778 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9779
9780         PR tree-optimization/69042
9781         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9782         for use with constant offset stripped in base.
9783
9784 2016-03-23  Richard Biener  <rguenther@suse.de>
9785
9786         PR middle-end/70251
9787         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9788         mode compatibility check.
9789         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9790
9791 2016-03-23  Jeff Law  <law@redhat.com>
9792
9793         PR tree-optimization/64058
9794         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9795         CONFLICT_COUNT.
9796         (struct ssa_conflicts): Move up earlier in the file.
9797         (conflicts_, var_map_): New static variables.
9798         (initialize_conflict_count): New function to initialize the
9799         CONFLICT_COUNT field for each conflict pair.
9800         (compare_pairs): Lazily initialize the conflict count and use it
9801         as the first tie-breaker.
9802         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
9803         and wipe conflicts_ and map_ around the call to qsort.  Remove
9804         special case for 2 coalesce pairs.
9805         * bitmap.c (bitmap_count_unique_bits): New function.
9806         (bitmap_count_bits_in_word): New function, extracted from
9807         bitmap_count_bits.
9808         (bitmap_count_bits): Use bitmap_count_bits_in_word.
9809         * bitmap.h (bitmap_count_unique_bits): Declare it.
9810
9811 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
9812
9813         PR target/69917
9814         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9815         transparent alias chain for decl assembler name.
9816         * config/sol2.c (solaris_assemble_visibility): Likewise.
9817
9818 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9819
9820         * config/arm/arm1020e.md (1020call_op): Reduce reservation
9821         duration.
9822         (v10_fdivs): Likewise.
9823         (v10_fdivd): Likewise.
9824
9825 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9826
9827         PR driver/70132
9828         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9829         to not call fclose twice on file.
9830
9831 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
9832
9833         PR tree-optimization/70354
9834         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9835         oprnd0 is wider than oprnd1 and there is a cast from the wider
9836         type to oprnd1, mask it with the mask of the narrower type.
9837
9838         PR target/70321
9839         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9840         Optimize TARGET_STV splitters, if high or low word of last argument
9841         is 0 or -1.
9842
9843 2016-03-22  Jeff Law  <law@redhat.com>
9844
9845         PR target/70232
9846         tree-ssa-threadbackward.c
9847         (fsm_find_control_statement_thread_paths): Correctly distinguish
9848         between old style jump threads vs FSM jump threads.
9849
9850 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
9851
9852         PR target/70302
9853         * config/i386/i386.c (scalar_chain::convert_op): Support
9854         uninitialized register usage case.
9855
9856 2016-03-22  Richard Biener  <rguenther@suse.de>
9857
9858         PR middle-end/70251
9859         * genmatch.c (gen_transform): Adjust last parameter to a three-state
9860         int...
9861         (capture::gen_transform): ... to change behavior when substituting
9862         a condition into cond or not-cond expr context.
9863         (dt_simplify::gen_1): Adjust.
9864         * gimple-match-head.c: Include gimplify.h for unshare_expr.
9865         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9866         last change and instead change to
9867         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9868         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9869
9870 2016-03-22  Anthony Green  <green@moxielogic.com>
9871
9872         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
9873         issue for moxiebox targets.
9874         (CC1PLUS_SPEC): Ditto.
9875
9876 2016-03-22  Richard Biener  <rguenther@suse.de>
9877
9878         PR middle-end/70333
9879         * fold-const.c (extract_muldiv_1): Properly perform multiplication
9880         in the wide type.
9881
9882 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9883
9884         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9885
9886 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9887
9888         PR target/70325
9889         * config/i386/i386.c (def_builtin): Handle
9890         OPTION_MASK_ISA_AVX512VL to be and-ed with other
9891         bits.
9892         (const struct builtin_description bdesc_special_args[]):
9893         Remove duplicate ISA bits.
9894
9895 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
9896
9897         PR target/70329
9898         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9899         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
9900         in a way that works also for AVX512BW.
9901
9902         PR target/70300
9903         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9904         instead of source if operands[1] is xmm16 and above and
9905         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
9906         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9907
9908         PR c++/70295
9909         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9910         on assign if (*from_p) is a comparison, set it to
9911         TREE_NO_WARNING (*from_p).
9912
9913 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9914
9915         PR middle-end/70326
9916         * lra.c (restore_scratches): Ignore deleted insns.
9917
9918 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
9919             Jakub Jelinek  <jakub@redhat.com>
9920
9921         PR tree-optimization/70317
9922         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9923         to HONOR_NANS.
9924
9925 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
9926
9927         PR target/70327
9928         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9929         of ix86_expand_move.
9930         (movoi): Ditto.
9931         (movti): Use general_operand for operand 1 predicate.
9932
9933 2016-03-21  Martin Liska  <mliska@suse.cz>
9934
9935         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9936         insns.
9937         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9938
9939 2016-03-21  Martin Liska  <mliska@suse.cz>
9940
9941         PR ipa/70306
9942         * ipa-icf.c (sem_function::parse): Skip static
9943         constructors and destructors.
9944
9945 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9946
9947         PR target/70296
9948         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9949         function-like macro, peek following token(s) if it is followed
9950         by CPP_OPEN_PAREN token with optional padding in between, and
9951         if not, don't treat it like a macro.
9952
9953 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
9954             Alexander Monakov  <amonakov@ispras.ru>
9955
9956         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9957         for the stabs debug format.
9958
9959 2016-03-21  Richard Biener  <rguenther@suse.de>
9960
9961         PR tree-optimization/70310
9962         * tree-vect-generic.c (expand_vector_condition): Fold the built
9963         condition.
9964
9965 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
9966
9967         PR target/70293
9968         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9969         Block third alternative for AVX-512VL target,
9970
9971 2016-03-21  Martin Liska  <mliska@suse.cz>
9972
9973         PR hsa/70234
9974         * hsa-brig.c (emit_function_directives): Mark unemitted
9975         global variables for emission.
9976         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9977         (get_symbol_for_decl): Likewise.
9978         * hsa.h (struct hsa_symbol): New flag.
9979
9980 2016-03-21  Richard Biener  <rguenther@suse.de>
9981
9982         PR tree-optimization/70288
9983         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9984         we do not estimate unsimplified all-constant conditionals or
9985         switches as optimized away.
9986
9987 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
9988
9989         PR rtl-optimization/69102
9990         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9991         when we have a readonly dependency context.
9992
9993 2016-03-18  Jeff Law  <law@redhat.com>
9994
9995         PR rtl-optimization/70263
9996         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9997         (update_equiv_regs): When trying to move a store to after the insn
9998         that sets the source of the store, make sure the store occurs after
9999         the insn that sets the source of the store.  When successful note
10000         the REG_EQUIV note created in the dump file.
10001
10002 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
10003             Bernd Schmidt  <bschmidt@redhat.com>
10004
10005         * doc/extend.texi: Document more potential problems with basic asms.
10006
10007 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
10008
10009         PR rtl-optimization/70278
10010         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
10011         VOIDmode.
10012
10013 2016-03-18  Jason Merrill  <jason@redhat.com>
10014
10015         * calls.c (load_register_parameters): Fix zero size sibcall logic.
10016
10017 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
10018
10019         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
10020         values to 128b regs.
10021
10022 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10023
10024         PR tree-optimization/70252
10025         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
10026         boolean vector has a proper number of elements.
10027         (supportable_narrowing_operation): Likewise.
10028
10029 2016-03-18  Tom de Vries  <tom@codesourcery.com>
10030
10031         PR ipa/70269
10032         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
10033
10034 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
10035
10036         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
10037         instead of replace_rtx for DEBUG_INSNs.
10038
10039 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10040
10041         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
10042         load type reservations.
10043
10044 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
10045
10046         PR target/70188
10047         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
10048         define_constraint for "Q" and "T" constraints.
10049
10050 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
10051
10052         Tweak the pipeline model for Exynos M1
10053
10054         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
10055         model.
10056
10057 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
10058
10059         PR c/70264
10060         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
10061         where one or both locations aren't within a line_map.
10062
10063 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10064
10065         PR driver/70192
10066         * opts.c (finish_options): Don't set flag_pie to the default if
10067         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
10068         if it is -1.
10069
10070 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10071
10072         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
10073         true as ALL_REGS argument to replace_rtx.
10074
10075 2016-03-17  Richard Biener  <rguenther@suse.de>
10076
10077         PR debug/70271
10078         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
10079         last.
10080
10081 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10082
10083         PR target/70245
10084         * rtl.h (replace_rtx): Add ALL_REGS argument.
10085         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
10086         equality and assert mode is the same, instead of just rtx pointer
10087         equality.
10088         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
10089         true as ALL_REGS argument to replace_rtx.
10090
10091 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
10092
10093         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
10094         for boolean vector with vector mode only.
10095         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10096
10097 2016-03-17  Nick Clifton  <nickc@redhat.com>
10098
10099         PR target/70162
10100         * config/rx/rx.c (rx_print_integer): Print negative constants in
10101         decimal.
10102
10103 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10104
10105         PR target/70261
10106         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
10107
10108 2016-03-16  Richard Henderson  <rth@redhat.com>
10109             Richard Biener  <rguenth@suse.de>
10110
10111         PR middle-end/70240
10112         PR middle-end/68215
10113         PR tree-opt/68714
10114         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
10115         first operand as is_gimple_condexpr.
10116
10117         PR middle-end/70240
10118         PR middle-end/68215
10119         Revert r231575
10120         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
10121         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
10122         Do not gimplify the result.
10123         (do_unop): Adjust call to tree_vec_extract.
10124         (do_binop): Likewise.
10125         (do_compare): Likewise.
10126         (do_plus_minus): Likewise.
10127         (do_negate): Likewise.
10128         (expand_vector_condition): Likewise.
10129         (do_cond): Likewise.
10130
10131 2016-03-16  Richard Henderson  <rth@redhat.com>
10132
10133         PR target/70048
10134         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
10135         (aarch64_classify_address): Use it.
10136         (aarch64_legitimize_address): Force all subexpressions of PLUS
10137         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
10138
10139 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
10140             Richard Biener  <rguenth@suse.de>
10141
10142         PR target/70245
10143         * rtlanal.c (replace_rtx): For REG, if from is a REG,
10144         return to even if only REGNO is equal, and assert
10145         mode is the same.
10146
10147 2016-03-11  Jeff Law  <law@redhat.com>
10148
10149         PR rtl-optimization/70224
10150         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
10151
10152 2016-03-16  Richard Henderson  <rth@redhat.com>
10153
10154         PR middle-end/70199
10155         * function.h (struct function): Add has_forced_label_in_static.
10156         * gimplify.c (force_labels_r): Set it.
10157         * lto-streamer-in.c (input_struct_function_base): Read it.
10158         * lto-streamer-out.c (output_struct_function_base): Write it.
10159         * tree-inline.c (has_label_address_in_static_1): Remove.
10160         (copy_forbidden): Remove fndecl parameter; test
10161         has_forced_label_in_static.
10162         (inline_forbidden_p): Update call to copy_forbidden.
10163         (tree_versionable_function_p): Likewise.
10164         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
10165         (chkp_versioning): Likewise.
10166         * tree-inline.h (copy_forbidden): Update decl.
10167
10168 2016-03-16  Marek Polacek  <polacek@redhat.com>
10169
10170         PR c/70093
10171         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
10172         function being thunked if the result type doesn't have fixed size.
10173         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
10174         doesn't have fixed size.
10175
10176 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
10177
10178         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
10179         reporting malformed loop nest.
10180
10181 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10182
10183         PR lto/70187
10184         * ipa-devirt.c (possible_polymorphic_call_targets): Move
10185         nodes.length () == 1 test to before first nodes[0] access.
10186
10187 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10188
10189         PR tree-optimization/68715
10190         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
10191         single_pred_p test.
10192
10193 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10194
10195         PR tree-optimization/68809
10196         * graphite-scop-detection.c (same_close_phi_node): Test if result types
10197         are the same.
10198
10199 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
10200             Sandra Loosemore  <sandra@codesourcery.com>
10201
10202         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
10203         on leaf attribute. Mention ELF interposition problems.
10204
10205 2016-03-16  Alan Modra  <amodra@gmail.com>
10206
10207         PR rtl-optimization/69195
10208         PR rtl-optimization/47992
10209         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10210         Add comments.
10211
10212 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10213
10214         PR bootstrap/69513
10215         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10216
10217 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10218
10219         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10220
10221 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10222
10223         PR rtl-optimization/70222
10224         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10225         optimization if mode is different from result_mode, queue up masking
10226         of the result in outer_op.  Formatting fix.
10227
10228         PR middle-end/70239
10229         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10230         of safe_grow.
10231
10232 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10233
10234         PR rtl-optimization/69032
10235         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10236         looping backwards over basic block insns.
10237
10238 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10239
10240         PR target/66660
10241         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10242         to non-speculative when propagating trap bits.
10243
10244 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10245
10246         PR rtl-optimization/63384
10247         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10248         DEBUG_INSN_P insns.
10249
10250 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10251
10252         PR target/64411
10253         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10254         factored out from ...
10255         (sched_analyze_insn): ... here.
10256         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10257         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10258         get_implicit_reg_pending_clobbers in it.
10259         (setup_id_reg_sets): Use setup_id_implicit_regs.
10260         (deps_init_id): Ditto.
10261
10262 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10263
10264         PR ipa/70161
10265         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10266         dump_file_name.
10267         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10268         execute_function_dump.
10269         (execute_one_pass): Don't dump function if it will be dumped after ipa
10270         transform.
10271
10272 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10273
10274         * genrecog.c (match_pattern_2): If pred is NULL don't call
10275         safe_predicate_mode on it.
10276
10277 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10278
10279         PR middle-end/70219
10280         * lra-constraints.c (delete_move_and_clobber): Change assertion
10281         to also allow dregno == 0.
10282
10283 2016-03-14  Richard Henderson  <rth@redhat.com>
10284
10285         PR tree-opt/68714
10286         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10287         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10288         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10289         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10290         on vectors.
10291
10292 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10293
10294         PR target/70083
10295         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10296         regs.
10297         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10298         VOIDmode.
10299         * lra-constraints.c (split_reg): For hard regs, try to find the
10300         biggest single-register mode used in the function.
10301
10302 2016-03-14  Richard Biener  <rguenther@suse.de>
10303
10304         PR tree-optimization/56365
10305         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10306         constants to compare against.
10307
10308 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10309
10310         PR target/70098
10311         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10312         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10313         (define_split for the GPR case): Use int_reg_operand instead of
10314         gpc_reg_operand for the output.
10315
10316 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10317
10318         PR tree-optimization/70045
10319         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10320         create_empty_if_region_on_edge argument.
10321
10322 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10323
10324         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10325         (STACK_CHECK_PROTECT): Likewise.
10326         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10327         (STACK_CHECK_PROTECT): Likewise.
10328         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10329         (STACK_CHECK_PROTECT): Likewise.
10330         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10331         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10332         (STACK_CHECK_PROTECT): Likewise.
10333
10334 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10335
10336         PR rtl-optimization/69307
10337         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10338         registers in modes that span more than one register.
10339
10340 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10341
10342         PR target/69614
10343         * lra-constraints.c (delete_move_and_clobber): New.
10344         (remove_inheritance_pseudos): Use it.
10345
10346 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10347
10348         PR ada/70017
10349         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10350         the libcall is LCT_THROW.
10351         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10352         for the checking routine.
10353
10354 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10355
10356         PR target/70131
10357         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10358         optimization if we have direct move.
10359         (roundu32<mode>2_fprs): Likewise.
10360
10361 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10362
10363         PR target/70123
10364         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10365         be rematerialized.
10366         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10367         Arguments swapped.  All callers changed.  Take reg_renumber into
10368         account, and Calculate and compare register ranges for hard regs.
10369
10370 2016-03-11  Jeff Law  <law@redhat.com>
10371
10372         PR tree-optimization/70190
10373         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10374         Handle cases where we can not extract the taken edge, even though we
10375         found a constant value.
10376
10377         PR tree-optimization/64058
10378         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10379         (num_coalesce_pairs): Move up earlier in file.
10380         (find_coalesce_pair): Initialize the INDEX field for each pair
10381         discovered.
10382         (compare_pairs): No longer sort on the elements in each pair.
10383         Instead break ties with the index of the coalesce pair.
10384
10385 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10386
10387         PR target/70002
10388         * config/aarch64/aarch64-protos.h
10389         (aarch64_save_restore_target_globals): New prototype.
10390         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10391         Call the above when popping pragma.
10392         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10393         New function.
10394         (aarch64_set_current_function): Rewrite using the above.
10395
10396 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10397
10398         PR tree-optimization/70177
10399         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10400         (extract_ops_from_tree): ... this.  In the 2 argument
10401         overload remove _1 suffix.
10402         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10403         (extract_ops_from_tree): ... this.
10404         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10405         Adjust callers.
10406         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10407         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10408         extract_ops_from_tree instead of 2 operand one.
10409
10410 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10411
10412         PR tree-optimization/70013
10413         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10414         for constant-pool entries.
10415
10416 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10417
10418         PR rtl-optimization/70174
10419         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10420         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10421
10422         PR tree-optimization/70169
10423         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10424         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10425         for unknown codes.
10426
10427 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10428             Jakub Jelinek  <jakub@redhat.com>
10429
10430         PR target/70160
10431         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10432         of uninitialized values.
10433
10434 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10435
10436         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10437         define_expand.
10438         ("*trunctddd2"): New pattern definition.
10439         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10440         TD->DD truncation.
10441
10442 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10443
10444         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10445         definitions for BFP and DFP rounding modes.
10446         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10447         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10448         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10449         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10450         numbers.
10451
10452 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10453
10454         * config/s390/constraints.md: Adjust comment.
10455         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10456         s390_decompose_addrstyle_without_index.
10457         * config/s390/predicates.md (shift_count_or_setmem_operand):
10458         Rename to setmem_operand.
10459         * config/s390/s390-protos.h
10460         (s390_decompose_shift_count): Rename to
10461         s390_decompose_addrstyle_without_index.
10462         * config/s390/s390.c (s390_decompose_shift_count)
10463         (s390_mem_constraint, print_shift_count_operand)
10464         (print_operand_address, print_operand): Rename
10465         s390_decompose_shift_count to
10466         s390_decompose_addrstyle_without_index and rename
10467         print_shift_count_operand to print_addrstyle_operand troughout the
10468         file.
10469         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10470         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10471         Rename shift_count_or_setmem_operand to setmem_operand.
10472         * config/s390/vx-builtins.md ("vec_insert<mode>")
10473         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10474         nonmemory_operand.
10475
10476 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10477
10478         PR target/70168
10479         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10480         Handle overlapping retval and newval.
10481
10482 2016-03-10  Nick Clifton  <nickc@redhat.com>
10483
10484         PR target/7044
10485         * config/aarch64/aarch64.c
10486         (aarch64_override_options_after_change_1): When forcing
10487         flag_omit_frame_pointer to be true, use a special value that can
10488         be detected if this function is called again, thus preventing
10489         flag_omit_leaf_frame_pointer from being forced to be false.
10490
10491 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10492
10493         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10494         Set x_flag_omit_leaf_frame_pointer when handling
10495         -momit-leaf-frame-pointer.
10496
10497 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10498
10499         PR lto/69589
10500         * cgraph.c (cgraph_node::dump): Dump split_part and
10501         indirect_call_target.
10502         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10503         * ipa.c (has_addr_references_p): Cleanup.
10504         (is_indirect_call_target_p): New.
10505         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10506         called indirectly as local.
10507         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10508
10509 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10510
10511         PR ipa/69630
10512         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10513         on cxa_pure_virtual.
10514
10515 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10516
10517         PR lto/69589
10518         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10519
10520 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10521
10522         PR lto/69589
10523         * tree.c (need_assembler_name_p): Only record main variant type names.
10524
10525 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10526
10527         PR target/70113.
10528         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10529         Always define to 0 or 1.
10530         (TARGET_FIX_ERR_A53_843419): New macro.
10531         * config/aarch64/aarch64-elf-raw.h
10532         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10533         * config/aarch64/aarch64-linux.h: Likewise.
10534         * config/aarch64/aarch64.c
10535         (aarch64_override_options_after_change_1): Do not default
10536         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10537         843419 is on.
10538         (aarch64_attributes): Handle fix-cortex-a53-843419.
10539         (aarch64_can_inline_p): Likewise.
10540         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10541
10542 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10543         Jakub Jelinek <jakub@redhat.com>
10544
10545         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10546         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10547         DECL_COMMONS if flag_unconstrained_commons is set.
10548         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10549         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10550         (funconstrained-commons): Document.
10551
10552 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10553
10554         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10555         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10556
10557 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10558
10559         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10560         has a proper number of elements.
10561
10562 2016-03-10  Alan Modra  <amodra@gmail.com>
10563
10564         PR rtl-optimization/69195
10565         PR rtl-optimization/47992
10566         * ira.c (recorded_label_ref): Delete.
10567         (update_equiv_regs): Return void.
10568         (indirect_jump_optimize): New function.
10569         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10570         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10571         Delete update_regstat.
10572
10573 2016-03-10  Richard Biener  <rguenther@suse.de>
10574
10575         PR tree-optimization/70128
10576         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10577         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10578
10579 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10580
10581         PR tree-optimization/70152
10582         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10583         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10584
10585         PR target/70086
10586         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10587         instead of gen_sse2_loadlpd.
10588         * config/i386/sse.md (*vec_concatv2df): Rename to...
10589         (vec_concatv2df): ... this.
10590
10591         PR tree-optimization/70127
10592         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10593
10594 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10595
10596         PR c/68473
10597         PR c++/70105
10598         * diagnostic-show-locus.c (compatible_locations_p): New function.
10599         (layout::layout): Sanitize ranges using compatible_locations_p.
10600
10601 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10602
10603         PR c/68473
10604         PR c++/70105
10605         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10606         location_range param with three const expanded_locations * and a
10607         bool.
10608         (layout::layout): Replace call to
10609         rich_location::lazily_expand_location with get_expanded_location.
10610         Extract the range and perform location expansion here, passing
10611         the results to the layout_range ctor.
10612         * diagnostic.c (source_range::debug): Delete.
10613         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10614         of rich_location::get_expanded_location.
10615         * gcc-rich-location.c (get_range_for_expr): Delete.
10616         (gcc_rich_location::add_expr): Reimplement to avoid the
10617         rich_location::add_range overload that took a location_range,
10618         passing a location_t instead.
10619
10620 2016-03-09  Richard Biener  <rguenther@suse.de>
10621         Jakub Jelinek  <jakub@redhat.com>
10622
10623         PR tree-optimization/70138
10624         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10625         Also skip vect_double_reduction_def.
10626
10627 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10628
10629         PR target/70049
10630         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10631         if the operand is "m".
10632
10633 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10634
10635         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10636
10637 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10638
10639         * config/i386/i386.c (processor_target_table): Fix cost table
10640         intialization order for znver1.
10641
10642 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10643
10644         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10645         - becuase -> because.
10646         * ipa-reference.c (ignore_module_statics): Likewise.
10647         * cgraph.c (cgraph_node::get_body): Likewise.
10648         * ipa-inline.c (early_inliner): Likewise.
10649         * ipa-devirt.c (types_same_for_odr): Likewise.
10650         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10651         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10652
10653 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10654
10655         * tree-ssa-math-opts.c: Fix typo in comment.
10656
10657 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10658
10659         PR target/70110
10660         * config/i386/i386.c (scalar_chain::make_vector_copies,
10661         scalar_chain::convert_reg): Call end_sequence in between
10662         get_insns and emit_conversion_insns rather than after both
10663         calls.
10664
10665 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
10666
10667         PR target/70064
10668         * config/i386/i386.h (machine_function): Add
10669         pc_thunk_call_expanded flag.
10670         (ix86_pc_thunk_call_expanded): New define.
10671         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10672         (*set_got): Rename insn pattern from set_got.
10673         (*set_got_labelled): Rename inst pattern from set_got_labelled.
10674         * config/i386/i386.c (ix86_compute_frame_layout): Use
10675         ix86_pc_thunk_call_expanded to prevent red-zone.
10676
10677 2016-03-07  Martin Jambor  <mjambor@suse.cz>
10678
10679         * hsa.h (hsa_get_ctor_statements): Declare.
10680         (hsa_get_dtor_statements): Likewise.
10681         (hsa_get_kernel_dispatch_type): Likewise.
10682         * hsa.c (hsa_get_ctor_statements): New function.
10683         (hsa_get_dtor_statements): Likewise.
10684         (hsa_get_kernel_dispatch_type): Likewise.
10685         * hsa-brig.c (hsa_cdtor_statements): Removed.
10686         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10687         hsa_get_dtor_statements.
10688         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10689         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10690
10691 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
10692
10693         * config/arm/arm-cores.def (cortex-r8): New.
10694         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10695         * config/arm/arm-tune.md: Likewise.
10696         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10697
10698 2016-03-07  Martin Sebor  <msebor@redhat.com>
10699
10700         PR rtl-optimization/19705
10701         * doc/invoke.texi (Options That Control Optimization): Clarify
10702         -fno-branch-count-reg.
10703
10704 2016-02-26  Richard Biener  <rguenther@suse.de>
10705             Jeff Law  <law@redhat.com>
10706
10707         PR tree-optimization/69740
10708         * cfghooks.c (remove_edge): Request loop fixups if we delete
10709         an edge that might turn an irreducible loop into a natural
10710         loop.
10711         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10712         Move after definition of loops_state_clear.
10713
10714 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
10715
10716         PR rtl-optimization/69052
10717         * rtlanal.c (commutative_operand_precedence): Set higher precedence
10718         to CONST_WIDE_INT.
10719
10720 2016-03-07  Tom de Vries  <tom@codesourcery.com>
10721
10722         PR tree-optimization/70116
10723         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10724         is_tm_ending stmts and ubsan/asan internal functions.
10725         (find_duplicate): Use it.  Don't test is_tm_ending here.
10726
10727 2016-03-07  Richard Biener  <rguenther@suse.de>
10728
10729         PR tree-optimization/70115
10730         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10731         (propagate_constants_for_unrolling): Use replace_uses_by.
10732
10733 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
10734
10735         PR middle-end/69916
10736         * omp-low.c (struct oacc_loop): Add ifns.
10737         (new_oacc_loop_raw): Initialize it.
10738         (finish_oacc_loop): Clear mask & flags if no ifns.
10739         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10740         (oacc_loop_xform_loop): Add ifns arg & adjust.
10741         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10742
10743 2016-03-07  Richard Henderson  <rth@redhat.com>
10744
10745         PR rtl-opt/70061
10746         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10747         (insert_value_copy_on_edge): Likewise.
10748
10749 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10750
10751         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10752
10753 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10754
10755         PR target/62281
10756         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10757
10758 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10759
10760         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10761
10762 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10763
10764         Fix sseimul type attribute.
10765         * config/i386/znver1.md
10766         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10767         znver1_sseimul_avx256_load) : Fix the type attribute.
10768         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10769         pipe usage and latency.
10770
10771 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
10772
10773         PR c++/70084
10774         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10775         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10776         to the right type.
10777
10778 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10779
10780         PR c/69973
10781         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10782
10783         PR rtl-optimization/69941
10784         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10785         the reg share its mode.
10786
10787 2016-03-04  Jeff Law  <law@redhat.com>
10788
10789         PR tree-optimization/69196
10790         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10791         If the both SSA_NAMEs are anonymous, then consider them unassociated
10792         and include the PHI in the statement count.
10793
10794 2016-03-05  Tom de Vries  <tom@codesourcery.com>
10795
10796         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10797         construct in oacc routine.  Check for oacc region in oacc routine.
10798
10799 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10800
10801         PR target/70062
10802         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
10803         2016-02-22 changes, instead don't recurse if RECUR is already true.
10804         Don't change *dynamic_check if RECUR.  Adjust recursive caller
10805         to pass true to the new argument.
10806         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10807
10808         PR target/70059
10809         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10810         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10811         fixes.
10812         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
10813
10814 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10815
10816         PR rtl-optimization/57676
10817         * lra-assigns.c (lra_assign): Guard test for maximum iterations
10818         with flag_checking.
10819
10820 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
10821
10822         * tree-vect-patterns.c (search_type_for_mask): Handle
10823         comparison of booleans.
10824
10825 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10826
10827         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10828         Fix @xref usage.
10829
10830         PR debug/69947
10831         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10832         all other ops that have dw_val_class_die_ref operands,
10833         and DW_OP_GNU_entry_value.
10834
10835 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10836
10837         PR rtl-optimization/69904
10838         * config/arm/arm.c (arm_cannot_copy_insn_p):
10839         Return true for load-exclusive instructions.
10840
10841 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
10842
10843         PR target/70021
10844         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10845         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10846         the pattern no matter if it is used just by non-pattern, pattern
10847         or mix thereof.
10848         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10849         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10850         oprnd1 def_stmt is in pattern, don't look through it.
10851
10852 2016-03-03  Marek Polacek  <polacek@redhat.com>
10853
10854         PR middle-end/70050
10855         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10856
10857 2016-03-03  Martin Liska  <mliska@suse.cz>
10858
10859         PR tree-optimization/70043
10860         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10861         previous statement if we see a debug statement.
10862
10863 2016-03-03  Richard Biener  <rguenther@suse.de>
10864
10865         PR tree-optimization/55936
10866         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10867         parameter and guard unsafe equivalence use.
10868         (vrp_evaluate_conditional_warnv_with_ops): Always use
10869         safe equivalences but not via the quadratic compare_names
10870         helper.
10871
10872 2016-03-03  Michael Collison  <michael.collison@linaro.org>
10873
10874         PR target/70014
10875         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10876         for operand 1 to s_register_operand. Change predicate for operand
10877         2 to arm_not_immediate_operand.
10878
10879 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
10880
10881         * doc/tm.texi: Regenerated.
10882
10883 2016-03-02  Richard Henderson  <rth@redhat.com>
10884
10885         PR rtl-opt/67145
10886         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10887         simplification when all args are positive non-fixed registers.
10888
10889 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10890
10891         * target.def (lra_p): Specify that new ports should use LRA.
10892
10893 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10894
10895         PR libgomp/69555
10896         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10897         gimplify_type_sizes the type they refer to.
10898         (omp_notice_variable): Handle reference vars to VLAs.
10899         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10900         reference to VLA decls in the second pass instead of first pass.
10901
10902 2016-03-02  Tom de Vries  <tom@codesourcery.com>
10903
10904         PR tree-optimization/68659
10905         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10906         new_expr == NULL_TREE.
10907         (get_new_name): Handle ADDR_EXPR.
10908
10909 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
10910
10911         PR rtl-optimization/69052
10912         * loop-invariant.c (canonicalize_address): New function.
10913         (inv_can_prop_to_addr_use): Check validity of address expression
10914         which is canonicalized by above function.
10915
10916 2016-03-02  Alan Modra  <amodra@gmail.com>
10917
10918         PR ipa/69990
10919         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10920         larger alignment.
10921
10922 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10923
10924         PR target/70028
10925         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10926         (*movhi_internal): Put mask moves from and to memory separately
10927         from moves from/to GPRs.
10928
10929 2016-03-02  Richard Biener  <rguenther@suse.de>
10930
10931         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10932         GENERIC expressions in GIMPLE.
10933
10934 2016-03-02  Richard Biener  <rguenther@suse.de>
10935
10936         * config/i386/i386.c (type_natural_mode): Fix typo.
10937
10938 2016-03-02  Nick Clifton  <nickc@redhat.com>
10939
10940         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10941
10942 2016-03-02  Richard Biener  <rguenther@suse.de>
10943             Uros Bizjak  <ubizjak@gmail.com>
10944
10945         PR target/67278
10946         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10947
10948 2016-03-02  Richard Biener  <rguenther@suse.de>
10949
10950         PR middle-end/67278
10951         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10952
10953 2016-03-02  Marek Polacek  <polacek@redhat.com>
10954
10955         PR c/67854
10956         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10957         "is promoted to" warning.
10958
10959 2016-03-01  DJ Delorie  <dj@redhat.com>
10960
10961         * config.gcc: Deprecate mep-*.
10962
10963 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
10964
10965         PR middle-end/70025
10966         * lra-constraints.c (regno_val_use_in): New.
10967         (match_reload): Use it instead of regno_use_in.
10968
10969 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10970
10971         PR rtl-optimization/70007
10972         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10973         references present in REG_EQUAL notes attached to non-SET patterns.
10974
10975 2016-03-01  Jeff Law  <law@redhat.com>
10976
10977         PR tree-optimization/69196
10978         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10979         Appropriately clamp the number of statements to copy when the
10980         thread path does not traverse a loop backedge.
10981
10982         PR tree-optimization/69196
10983         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10984         Do count some PHIs in the thread path against the insn count.  Decrease
10985         final statement count by one as the control statement in the last
10986         block will get removed.  Remove special cased code for handling PHIs
10987         in the last block.
10988
10989 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
10990
10991         PR target/70027
10992         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10993         asm dialect alternatives to explicit GOTPCREL calls.
10994
10995 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10996
10997         PR ada/70017
10998         * ira.c (do_reload): Issue warning for generic stack checking here...
10999         * reload1.c (reload): ...instead of here and streamline it.
11000
11001 2016-03-01  Nick Clifton  <nickc@redhat.com>
11002
11003         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
11004
11005 2016-03-01  Richard Biener  <rguenther@suse.de>
11006
11007         PR tree-optimization/69983
11008         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
11009         types and fall back to operand_equal_p.
11010
11011 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11012
11013         Revert
11014         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11015
11016         * config/s390/constraints.md ("jm8"): New constraint.
11017         * config/s390/predicates.md ("const_int_8bitset_operand"): New
11018         predicate.
11019         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
11020         into ...
11021         ("*setmem_long<setmem_and>"): New pattern.
11022         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
11023         into ...
11024         ("*setmem_long_31z<setmem_and>"): New pattern.
11025         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
11026         New substitution rules with the required attributes.
11027
11028
11029 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11030
11031         Revert
11032         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11033
11034         * gensupport.c (process_substs_on_one_elem): Split loop to
11035         complete mark_operands_used_in_match_dup on all expressions in the
11036         vector first.
11037         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11038         and remove function.
11039
11040 2016-03-01  Richard Biener  <rguenther@suse.de>
11041
11042         PR middle-end/70022
11043         * fold-const.c (fold_indirect_ref_1): Fix range checking for
11044         vector BIT_FIELD_REF extract.
11045
11046 2016-03-01  Richard Biener  <rguenther@suse.de>
11047
11048         PR tree-optimization/69994
11049         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
11050
11051 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
11052
11053         PR tree-optimization/69956
11054         * tree-vect-stmts.c (supportable_widening_operation): Support
11055         multi-step conversion of boolean vectors.
11056         (supportable_narrowing_operation): Likewise.
11057
11058 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11059
11060         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
11061         anymore.
11062
11063 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11064
11065         * config/s390/subst.md (DSI_VI): New mode iterator.
11066         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
11067         * config/s390/vector.md ("vec_set<mode>"): Move expander before
11068         the insn definition.
11069         ("*vec_set<mode>"): Change predicate and add alternative to
11070         support only either register or const_int operands as element
11071         selector.
11072         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
11073         operands.
11074         ("vec_extract<mode>"): New expander.
11075         ("*vec_extract<mode>"): New insn definition supporting reg and
11076         const_int element selectors.
11077         ("*vec_extract<mode>_plus"): New insn definition supporting
11078         reg+const_int element selectors.
11079         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
11080         following expander+insn definition.
11081         ("<vec_shifts_name><mode>3"): New expander.
11082         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
11083
11084 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11085
11086         * config/s390/s390.md ("*tabort_1"): Change predicate to
11087         nonmemory_operand.  Add a second alternative to cover
11088         register as well as const int operands.
11089         ("*tabort_1_plus"): New pattern definition.
11090
11091 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11092
11093         * config/s390/s390.md ("*ashrdi3_cc_31")
11094         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
11095         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
11096         Merge insn definitions into ...
11097         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11098         New pattern definition.
11099         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
11100         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
11101         ("*ashr<mode>3_and"): Merge insn definitions into ...
11102         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11103         New pattern definition.
11104         * config/s390/subst.md ("addr_style_op_cc_subst")
11105         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
11106         substitutions patterns plus attributes.
11107         Add ashiftrt to SUBST iterator.
11108
11109 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11110
11111         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
11112         op2 to nonmemory_operand.
11113         ("*<shift>di3_31", "*<shift>di3_31_and"):
11114         Merge into single pattern definition ...
11115         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
11116         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
11117         pattern definition ...
11118         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
11119         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
11120         iterator.
11121
11122 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11123
11124         * config/s390/predicates.md (const_int_6bitset_operand): New
11125         predicate.
11126         * config/s390/s390.md: Include subst.md.
11127         ("rotl<mode>3"): New expander.
11128         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
11129         ...
11130         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
11131         * config/s390/subst.md: New file.
11132
11133 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11134
11135         * config/s390/s390.md ("op_type", "atype", "length" attributes):
11136         Remove RRR type.  It doesn't really exist.
11137         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
11138         attributes.
11139         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
11140         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
11141         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
11142         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
11143         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
11144         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
11145         `enabled' attribute.
11146
11147 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11148
11149         * gensupport.c (process_substs_on_one_elem): Split loop to
11150         complete mark_operands_used_in_match_dup on all expressions in the
11151         vector first.
11152         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11153         and remove function.
11154
11155 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11156
11157         PR target/69706
11158         * config/sparc/sparc.c (NWORDS_UP): Rename to...
11159         (CEIL_NWORDS): ...this.  Use CEIL macro.
11160         (compute_fp_layout): Adjust to above renaming.
11161         (function_arg_union_value): Likewise.
11162         (sparc_arg_partial_bytes): Likewise.
11163         (sparc_function_arg_advance): Likewise.
11164
11165 2016-02-29  Jeff Law  <law@redhat.com>
11166
11167         PR tree-optimization/70005
11168         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
11169         where an object with a boolean range is compared against a value
11170         outside [0..1].
11171
11172         PR tree-optimization/69999
11173         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
11174         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
11175         loop cleanups.
11176
11177 2016-02-29  Richard Biener  <rguenther@suse.de>
11178
11179         PR tree-optimization/69994
11180         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
11181         (get_unary_op): Look through nop conversions.
11182         (ops_equal_values_p): New function, look for equality diregarding
11183         nop conversions.
11184         (eliminate_plus_minus_pair): Use ops_equal_values_p
11185         (repropagate_negates): Do not use get_unary_op here.
11186
11187 2016-02-29  Martin Liska  <mliska@suse.cz>
11188
11189         * system.h: Poison ENABLE_CHECKING macro.
11190
11191 2016-02-29  Martin Liska  <mliska@suse.cz>
11192
11193         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
11194         is presented in dump flags.
11195         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11196         (hsa_regalloc): Likewise.
11197
11198 2016-02-19  Richard Biener  <rguenther@suse.de>
11199
11200         PR tree-optimization/69980
11201         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
11202         permutation of those we need to keep.
11203
11204 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11205
11206         PR target/69706
11207         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11208         (NWORDS_UP): ...this
11209         (init_cumulative_args): Minor tweaks.
11210         (sparc_promote_function_mode): Likewise.
11211         (scan_record_type): Delete.
11212         (traverse_record_type): New function template.
11213         (classify_data_t): New structure type.
11214         (classify_registers): New inline function.
11215         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11216         exhausted.  Instantiate traverse_record_type on classify_registers and
11217         deal with the case of a structure passed in slot #15 with no FP field
11218         in the first word.
11219         (assign_data_t): New structure type.
11220         (compute_int_layout): New static function.
11221         (compute_fp_layout): Likewise.
11222         (count_registers): New inline function.
11223         (assign_int_registers): New static function.
11224         (assign_fp_registers): Likewise.
11225         (assign_registers): New inline function.
11226         (function_arg_record_value_1): Delete.
11227         (function_arg_record_value_2): Likewise.
11228         (function_arg_record_value_3): Likewise.
11229         (function_arg_record_value): Adjust to above changes.  Instantiate
11230         traverse_record_type on count_registers to first count the number of
11231         registers to be used and then on assign_registers to assign them.
11232         (function_arg_union_value): Adjust to above renaming.
11233         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11234         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11235         case of a structure passed in slot #15
11236         (sparc_function_arg_advance): Likewise.
11237         (function_arg_padding): Minor tweak.
11238
11239 2016-02-29  Richard Biener  <rguenther@suse.de>
11240
11241         PR tree-optimization/69720
11242         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11243         the adjustment_def path for possibly vectorized defs.
11244         (vect_create_epilog_for_reduction): Handle vectorized initial
11245         defs properly.
11246
11247 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11248
11249         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11250
11251 2016-02-27  Jeff Law  <law@redhat.com>
11252
11253         Revert
11254         2016-02-26  Richard Biener  <rguenther@suse.de>
11255                     Jeff Law  <law@redhat.com>
11256
11257         PR tree-optimization/69740
11258         * cfghooks.c (remove_edge): Request loop fixups if we delete
11259         an edge that might turn an irreducible loop into a natural
11260         loop.
11261
11262 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11263
11264         PR rtl-optimization/69896
11265         * tree-vect-generic.c (get_compute_type): Avoid single element
11266         vector types.
11267
11268 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11269
11270         Rename the AArch64 tuning option and related functions to enable the
11271         Newton series for the reciprocal square root to reflect its
11272         approximative characteristic.
11273
11274         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11275         function to "aarch64_emit_approx_rsqrt".
11276         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11277         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11278         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11279         (xgene1_tunings): Likewise.
11280         (use_rsqrt_p): Likewise.
11281         (aarch64_emit_swrsqrt): Use new function name.
11282         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11283         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11284         text explaining this option.
11285         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11286
11287 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11288
11289         PR target/69969
11290         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11291         complain about -mallow-movmisalign without -mvsx if
11292         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11293
11294 2016-02-26  Joel Sherrill  <joel@rtems.org>
11295
11296         * config.gcc: Add x86_64-*-rtems*.
11297         * config/i386/rtems-64.h: New file.
11298
11299 2016-02-26  Joel Sherrill  <joel@rtems.org>
11300
11301         * config.gcc: Add aarch64-*-rtems*.
11302         * config/aarch64/rtems.h: New file.
11303
11304 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11305
11306         PR target/69946
11307         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11308         shift amount using %h.  Add comment.
11309
11310 2016-02-26  Richard Biener  <rguenther@suse.de>
11311             Jeff Law  <law@redhat.com>
11312
11313         PR tree-optimization/69740
11314         * cfghooks.c (remove_edge): Request loop fixups if we delete
11315         an edge that might turn an irreducible loop into a natural
11316         loop.
11317
11318 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11319
11320         PR middle-end/69920
11321         * tree-sra.c (sra_modify_assign): Do not remove loads of
11322         uninitialized aggregates to SSA_NAMEs.
11323
11324 2016-02-26  Richard Henderson  <rth@redhat.com>
11325
11326         PR target/69709
11327         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11328         pseudo in case the target rtx matches the source of the left
11329         shift.
11330
11331 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11332
11333         PR hsa/69568
11334         * hsa.h (hsa_type_packed_p): Declare.
11335         * hsa.c (hsa_type_packed_p): New function.
11336         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11337         loads.
11338         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11339         * hsa-brig.c (emit_basic_insn): Likewise.
11340
11341 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11342
11343         pr hsa/69674
11344         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11345         pointers.
11346         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11347
11348 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11349
11350         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11351         hsa_op_with_type operands.
11352         (hsa_unsigned_type_for_type): Declare.
11353         * hsa.c (hsa_unsigned_type_for_type): New function.
11354         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11355         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11356         the finalizer.  Do not emit extra move.
11357
11358 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11359
11360         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11361         atomic operations in private segment.
11362
11363 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11364
11365         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11366         statements to wi->info.  Also disallow omp simd constructs.
11367         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11368         for not gridifying.  Dump special string for omp_for.
11369
11370 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11371
11372         PR target/69245
11373         * config/aarch64/aarch64.c (aarch64_set_current_function):
11374         Save/restore target globals when switching to
11375         target_option_default_node.
11376
11377 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11378
11379         PR target/69613
11380         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11381         Return 0 if !SHIFT_COUNT_TRUNCATED.
11382
11383 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11384             Eric Botcazou  <ebotcazou@adacore.com>
11385
11386         PR rtl-optimization/69891
11387         * dse.c (scan_insn): If we can't figure out memset arguments
11388         or they are non-constant, call clear_rhs_from_active_local_stores.
11389
11390 2016-02-26  Martin Liska  <mliska@suse.cz>
11391
11392         * doc/extend.texi: Mention clog10, clog10f an clog10l
11393         in Builtins section.
11394
11395 2016-02-26  Martin Liska  <mliska@suse.cz>
11396
11397         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11398         CHECKING_P.
11399         (resolve_args_picking_1): Likewise.
11400         * dwarf2out.h (struct GTY): Likewise.
11401
11402 2016-02-26  Martin Liska  <mliska@suse.cz>
11403
11404         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11405         with flag_checking.
11406         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11407
11408 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11409             Martin Liska  <mliska@suse.cz>
11410
11411         * doc/install.texi: Mention --enable-valgrind-annotations.
11412
11413 2016-02-26  Richard Biener  <rguenther@suse.de>
11414
11415         PR tree-optimization/69551
11416         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11417         looking through aliases adjust DECL_PT_UID to refer to the
11418         ultimate alias target.
11419
11420 2016-02-25  Martin Liska  <mliska@suse.cz>
11421
11422         PR middle-end/69919
11423         * alloc-pool.c (after_memory_report): New variable.
11424         * alloc-pool.h (base_pool_allocator ::release): Do not use
11425         the infrastructure if after_memory_report.
11426         * toplev.c (toplev::main): Mark after memory report.
11427
11428 2016-02-25  Richard Biener  <rguenther@suse.de>
11429
11430         PR tree-optimization/48795
11431         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11432
11433 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11434
11435         PR driver/68463
11436         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11437         offloading is enabled and -fopenacc or -fopenmp is specified.
11438         (CRTOFFLOADEND): Likewise.
11439         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11440         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11441         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11442         (offload_objects_file_name): New static var.
11443         (tool_cleanup): Remove offload_objects_file_name file.
11444         (find_offloadbeginend): Replace with ...
11445         (find_crtoffloadtable): ... this.
11446         (run_gcc): Remove offload_argc and offload_argv.
11447         Get offload_objects_file_name from -foffload-objects=... option.
11448         Read names of object files with offload from this file, pass them to
11449         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11450         don't pass offloadbegin and offloadend to the linker.  Don't pass
11451         offload non-LTO files to the linker, because now they're not claimed.
11452
11453 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11454
11455         PR ipa/69630
11456         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11457         on builtin_unreachable.
11458
11459 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11460
11461         PR rtl-optimization/69896
11462         * regcprop.c: Include cfgrtl.h.
11463         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11464         than remembered mode, either delete it (if noop_move_p), or
11465         treat like copy_p but not noop_p instruction.
11466
11467 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11468
11469         PR debug/69705
11470         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11471         - allow NULL decl for Fortran DW_TAG_common_block variables.
11472
11473 2016-02-24  Jason Merrill  <jason@redhat.com>
11474
11475         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11476
11477 2016-02-24  Richard Biener  <rguenther@suse.de>
11478             Jakub Jelinek  <jakub@redhat.com>
11479
11480         PR middle-end/69760
11481         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11482         conditionally executed ops to well-defined overflow behavior.
11483
11484 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11485
11486         PR middle-end/69915
11487         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11488         elements.
11489
11490 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11491
11492         PR rtl-optimization/69886
11493         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11494         argument.  Use it when checking validity of set instructions.
11495         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11496         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11497         callsite.
11498         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11499         * store-motion.c (find_moveable_store): Update
11500         can_assign_to_reg_without_clobbers_p callsite.
11501
11502 2016-02-24  Richard Biener  <rguenther@suse.de>
11503
11504         PR middle-end/68963
11505         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11506         bogus check.
11507         (record_nonwrapping_iv): Do not fall back to the low/high bound
11508         for non-constant IV bases if the stmt is not always executed.
11509
11510 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11511
11512         * config/arm/arm-cores.def (cortex-a32): New entry.
11513         * config/arm/arm-tables.opt: Regenerate.
11514         * config/arm/arm-tune.md: Regenerate.
11515         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11516         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11517         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11518         for -mcpu and -mtune.
11519
11520 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11521
11522         PR target/69875
11523         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11524         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11525         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11526         (atomic_loaddi_1): Delete.
11527         (atomic_loaddi): Rewrite expander using the above changes.
11528
11529 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11530
11531         PR c/69918
11532         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11533         2 to 3.
11534
11535 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11536             Richard Biener  <rguenth@suse.de>
11537
11538         PR middle-end/69909
11539         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11540         set_mem_attributes if tem is SSA_NAME which got expanded
11541         as a MEM.
11542
11543 2016-02-24  Richard Biener  <rguenther@suse.de>
11544
11545         PR tree-optimization/69907
11546         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11547         end of permutations for BB vectorization.
11548
11549 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11550
11551         * config/arm/arm-c.c (arm_option_override): Initialize
11552         target_option_current_node.
11553         * config/arm/arm.c (arm_pragma_target_parse): Replace
11554         build_target_option_node call by target_option_current_node.
11555         Set target_option_current_node.
11556         Fix comments.
11557
11558 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11559
11560         PR target/69810
11561         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11562         define_insn_and_split to define_insn.
11563         (zero_extendqi<mode>2_dot2): Same.
11564         (extendqi<mode>2_dot): Same.
11565         (extendqi<mode>2_dot2): Same.
11566
11567 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11568
11569         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11570         and add bypass for AES{D,E} and AESMC pairs.
11571         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11572         and AESMC pairs.
11573
11574 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11575
11576         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11577         series for reciprocal square root in Exynos M1.
11578
11579 2016-02-23  Martin Sebor  <msebor@redhat.com>
11580
11581         PR c/69759
11582         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11583         __builtin_alloca_with_align.
11584
11585 2016-02-23  Richard Henderson  <rth@redhat.com>
11586
11587         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11588         (ix86_register_pragmas): Remove __seg_tls.
11589         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11590         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11591         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11592         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11593         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11594         * doc/extend.texi (__seg_tls): Remove item.
11595
11596 2016-02-23  Richard Biener  <rguenther@suse.de>
11597
11598         * alloc-pool.h (struct allocation_object): Make id member
11599         conditional on CHECKING_P again.
11600         (get_instance): Adjust.
11601         (base_pool_allocator): Likewise.
11602
11603 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11604
11605         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11606         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11607         zero.
11608         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11609         flag_openacc.
11610         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11611
11612 2016-02-23  Richard Biener  <rguenther@suse.de>
11613
11614         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11615         * bitmap.h (struct bitmap_usage): Likewise.
11616         (bitmap_move): Declare.
11617         * bitmap.c (register_overhead): Take size_t argument.
11618         (bitmap_move): New function.
11619         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11620         to properly account overhead.
11621         * tree.c (free_node): Use tree_size.
11622
11623 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11624
11625         PR c++/69902
11626         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11627         when inverting comparison.
11628
11629         PR c/69900
11630         * common.opt (Wunreachable-code): Add Warning flag.
11631
11632 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11633             Jakub Jelinek  <jakub@redhat.com>
11634
11635         PR c/69911
11636         * cgraphunit.c (check_global_declaration): Check main_input_filename
11637         and DECL_SOURCE_FILE are not NULL.
11638
11639 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11640
11641         PR tree-optimization/69666
11642         * tree-sra.c (sra_modify_assign): Do not attempt to create
11643         default_def replacements for unscalarizable regions.
11644
11645 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11646
11647         PR c/28901
11648         * cgraphunit.c (check_global_declaration): Check level of
11649         warn_unused_const_variable and main_input_filename.
11650         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11651         (-Wunused-variable): For C implies -Wunused-const-variable=1.
11652         (-Wunused-const-variable): Explain levels 1 and 2.
11653
11654 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11655
11656         PR target/69888
11657         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11658         identical arguments.  Formatting and spelling fixes.
11659
11660         PR target/69885
11661         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11662         be specified.
11663
11664         PR target/69894
11665         PR target/69895
11666         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11667         and m68k-devices.def.
11668         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11669         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11670
11671 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
11672
11673         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11674         and HImode registers.
11675
11676 2016-02-22  Richard Biener  <rguenther@suse.de>
11677
11678         PR tree-optimization/69882
11679         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11680         preserve permutations present because of gaps.
11681         (vect_supported_load_permutation_p): Always continue checking
11682         permutations after vect_attempt_slp_rearrange_stmts.
11683
11684 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
11685
11686         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11687         min_profitable_estimate, rather than min_profitable_iters.
11688
11689 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11690
11691         PR target/69885
11692         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11693         SImode for last match_operand.
11694
11695 2016-02-22  Martin Liska  <mliska@suse.cz>
11696
11697         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11698         return bitsize - 1 as the return value.
11699
11700 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
11701
11702         PR target/69806
11703         PR target/54089
11704         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11705         Handle negative shift counts.
11706         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11707         force_reg on the shift constant.
11708         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
11709         (lshrsi3_d): Handle negative shift counts.
11710
11711 2016-02-22  Richard Biener  <rguenther@suse.de>
11712             Tom de Vries  <tom@codesourcery.com>
11713
11714         * graph.c: Include dumpfile.h.
11715         (print_graph_cfg): Split into three overloads.
11716         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11717
11718 2016-02-22  Tom de Vries  <tom@codesourcery.com>
11719
11720         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11721         dump-fn.
11722
11723 2016-02-22  Richard Biener  <rguenther@suse.de>
11724
11725         PR ipa/37448
11726         * ipa-inline-transform.c (inline_call): When not updating
11727         overall summaries adjust self size by the growth estimate.
11728         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11729         hash-set, do not update overall summaries here.  Renamed from ...
11730         (inline_to_all_callers): ... this which is now wrapping the
11731         above and performing delayed overall summary update.
11732         (early_inline_small_functions): Delay updating of the overall
11733         summary.
11734
11735 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
11736
11737         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11738         variable.
11739
11740 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11741
11742         PR driver/69805
11743         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11744         :%* in %:gt() argument.
11745         (greater_than_spec_func): Adjust for expecting only numbers,
11746         if there are more than two numbers, compare the last two.
11747
11748 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
11749
11750         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11751         -Wnarrowing with -std.
11752
11753 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11754
11755         PR c++/69851
11756         * expr.c (store_field): Don't use bit-field path if exp is
11757         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11758         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11759         and the assignment can be performed by bitwise copy.  Formatting
11760         fix.
11761
11762         PR middle-end/69838
11763         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11764         call copy_reg_eh_region_note_forward on before and/or after sequences
11765         and remove note from insn if it no longer can throw.
11766
11767         PR target/69820
11768         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11769         if TARGET_AVX512BW.
11770
11771 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11772
11773         * config/s390/vector.md: Add missing commutative operand markers
11774         to the patterns which qualify for one.
11775         * config/s390/vx-builtins.md: Likewise.
11776
11777 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11778
11779         * config/s390/vector.md (VI, VI_QHS): Add single element vector
11780         types to mode iterators.
11781         (vec_double): ... and mode attribute.
11782         * config/s390/vx-builtins.md (non_vec_int): Likewise.
11783
11784 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11785
11786         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11787         Change the predicate of op2 from nonimmediate to general and let
11788         reload fix it if necessary.
11789
11790 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11791
11792         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11793
11794 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11795
11796         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11797         mode.
11798
11799 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11800
11801         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11802         * config/s390/s390.c (s390_expand_vec_movstr): New function.
11803         * config/s390/s390.md ("movstr<P:mode>"): Call
11804         s390_expand_vec_movstr.
11805
11806 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11807
11808         * config/s390/s390.md: Add missing output modifier for operand 1
11809         to print it as address properly.
11810
11811 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11812
11813         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11814         * config/s390/2964.md: New file.
11815         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11816         of insn grouping attributes depending on the CPU level.
11817         (s390_get_unit_mask): New function.
11818         (s390_sched_score): Remove the OOO from the scheduling macros.
11819         Add loop to calculate a score for the instruction mix.
11820         (s390_sched_reorder): Likewise plus improve debug output.
11821         (s390_sched_variable_issue): Rename macros as above.  Calculate
11822         the unit distances after actually scheduling an insn.  Improve
11823         debug output.
11824         (s390_sched_init): Clear last_scheduled_unit_distance array.
11825         * config/s390/s390.md: Include 2964.md.
11826
11827 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11828
11829         PR target/69671
11830         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11831         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11832         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11833         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11834         *avx512f_<code>v8div16qi2_mask_1): New insns.
11835
11836 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11837
11838         PR target/68404
11839         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11840         2016-02-09 change.
11841
11842         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11843         earlyclobber from target.  Use wF constraint for fused memory
11844         address.
11845         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11846
11847 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11848             Martin Liska  <mliska@suse.cz>
11849
11850         PR sanitizer/69863
11851         * cfgexpand.c (asan_sanitize_stack_p): New function.
11852         (partition_stack_vars): Use the function.
11853         (expand_stack_vars): Likewise.
11854         (defer_stack_allocation): Likewise.
11855         (expand_used_vars): Likewise.
11856
11857 2016-02-18  Richard Biener  <rguenther@suse.de>
11858
11859         PR middle-end/69553
11860         * fold-const.c (operand_equal_p): Properly compare offsets for
11861         IMAGPART_EXPR and ARRAY_REF.
11862
11863 2016-02-18  Nick Clifton  <nickc@redhat.com>
11864
11865         PR target/62254
11866         PR target/69610
11867         * config/arm/arm.c (arm_option_override_internal): Disable
11868         interworking if the target does not support thumb instructions.
11869         (arm_reload_in_hi): Handle the case where a register to register
11870         move needs reloading because there is no simple pattern to handle
11871         it.
11872         (arm_reload_out_hi): Likewise.
11873
11874 2016-02-18  Richard Biener  <rguenther@suse.de>
11875
11876         PR middle-end/69854
11877         * match.pd: Don't use fold_binary or fold_unary for folding
11878         constants.
11879
11880 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
11881
11882         PR c++/69850
11883         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11884         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11885         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11886         warn on gimple_no_warning_p statements.
11887
11888 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
11889
11890         * doc/extend.texi (C++ Attributes): Correct description of
11891         warn_unused type attribute.
11892
11893 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11894
11895         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11896         correct instruction.
11897
11898 2016-02-17  Richard Biener  <rguenther@suse.de>
11899
11900         PR rtl-optimization/69609
11901         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11902         (find_traces_1_round): When ending a trace update cached priority
11903         of successors.
11904         (bb_to_key): Use cached priority when available.
11905         (copy_bb): Initialize cached priority.
11906         (reorder_basic_blocks_software_trace_cache): Likewise.
11907
11908 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11909
11910         PR target/69161
11911         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11912         New predicate.
11913         (aarch64_comparison_operator): Break overly long line into two.
11914         (aarch64_comparison_operation): Likewise.
11915         * config/aarch64/aarch64.md (cstorecc4): Use
11916         aarch64_comparison_operator_mode instead of
11917         aarch64_comparison_operator.
11918         (cstore<mode>4): Likewise.
11919         (aarch64_cstore<mode>): Likewise.
11920         (*cstoresi_insn_uxtw): Likewise.
11921         (cstore<mode>_neg): Likewise.
11922         (*cstoresi_neg_uxtw): Likewise.
11923
11924 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11925
11926         PR target/69161
11927         * config/arm/predicates.md (arm_comparison_operator_mode):
11928         New predicate.
11929         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11930         instead of arm_comparison_operator.
11931         (*mov_negscc): Likewise.
11932         (*mov_notscc): Likewise.
11933         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11934         (*thumb2_mov_negscc): Likewise.
11935         (*thumb2_mov_negscc_strict_it): Likewise.
11936         (*thumb2_mov_notscc): Likewise.
11937         (*thumb2_mov_notscc_strict_it): Likewise.
11938
11939 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
11940
11941         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11942         Add missing return.
11943
11944 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
11945
11946         * config/visium/visium.c (machine_libfunc_index): New enum.
11947         (machine_libfuncs): New structure.
11948         (visium_libfuncs): New static variable.
11949         (TARGET_INIT_LIBFUNCS): Define to...
11950         (visium_init_libfuncs): ...this.  New function.
11951         (expand_block_move_4): Use the appropriate libfunc.
11952         (expand_block_move_2): Likewise.
11953         (expand_block_move_1): Likewise.
11954         (expand_block_set_4): Likewise.
11955         (expand_block_set_2): Likewise.
11956         (expand_block_set_1): Likewise.
11957         (visium_trampoline_init): Likewise.
11958
11959 2016-02-17  Nick Clifton  <nickc@redhat.com>
11960
11961         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11962         TI's devices.csv file as of March 2016.
11963
11964 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11965
11966         PR Target/48344
11967         * opts-global.c (handle_common_deferred_options): Introduce and
11968         initialize two global variables to remember command-line options
11969         specifying a stack-limiting register.
11970         * opts.h: Add extern declarations of the two new global variables.
11971         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11972         variable based on the values of the two new global variables.
11973
11974 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11975
11976         PR c/69835
11977         * common.opt (Wnonnull-compare): New warning.
11978         * doc/invoke.texi (-Wnonnull): Remove text about comparison
11979         of arguments against NULL.
11980         (-Wnonnull-compare): Document.
11981         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11982         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11983         * passes.def (pass_warn_nonnull_compare): Add.
11984         * gimple-ssa-nonnull-compare.c: New file.
11985
11986 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11987
11988         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11989         AARCH64_EXTRA_TUNE_RECIP_SQRT.
11990
11991 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11992
11993         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11994         reciprocal sqrt for -mlow-precision-recip-sqrt.
11995
11996 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11997             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11998
11999         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
12000         always use lane loads to construct non-constant vectors.
12001
12002 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
12003
12004         * config/aarch64/aarch64.md
12005         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
12006         constraints for operand 3.
12007         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
12008
12009 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12010             Richard Biener  <rguenther@suse.de>
12011
12012         PR tree-optimization/69820
12013         * tree-vect-patterns.c (type_conversion_p): Return false if
12014         *orig_type is unsigned single precision or boolean.
12015         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
12016         Formatting fix.
12017
12018 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12019
12020         PR rtl-optimization/69764
12021         PR rtl-optimization/69771
12022         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
12023         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
12024
12025 2016-02-16  Richard Biener  <rguenther@suse.de>
12026
12027         PR tree-optimization/69776
12028         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
12029         sets from caller.
12030         (indirect_refs_may_alias_p): Likewise.
12031         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
12032         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
12033         according to tbaa_p.
12034         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
12035         (optimize_stmt): For redundant store discovery do not allow tbaa.
12036
12037 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
12038
12039         PR tree-optimization/69714
12040         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
12041         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
12042
12043 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
12044
12045         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
12046         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
12047         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
12048         * config/arc/arc.c (arc_init): Check FPU options.
12049         (get_arc_condition_code): Handle new CC_FPU* modes.
12050         (arc_select_cc_mode): Likewise.
12051         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
12052         register pair only. Allow access for ARCv2 accumulator.
12053         (gen_compare_reg): Whenever we have FPU support use FPU compare
12054         instructions.
12055         (arc_reorg): Don't generate brcc insns when FPU compare
12056         instructions are involved.
12057         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
12058         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
12059         floating point emulation.
12060         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
12061         (REVERSE_CONDITION): Add new CC_FPU* modes.
12062         (TARGET_FP_SP_BASE): Define.
12063         (TARGET_FP_DP_BASE): Likewise.
12064         (TARGET_FP_SP_FUSED): Likewise.
12065         (TARGET_FP_DP_FUSED): Likewise.
12066         (TARGET_FP_SP_CONV): Likewise.
12067         (TARGET_FP_DP_CONV): Likewise.
12068         (TARGET_FP_SP_SQRT): Likewise.
12069         (TARGET_FP_DP_SQRT): Likewise.
12070         (TARGET_FP_DP_AX): Likewise.
12071         * config/arc/arc.md (ARCV2_ACC): New constant.
12072         (type): New fpu type attribute.
12073         (SDF): Conditional iterator.
12074         (cstore<mode>, cbranch<mode>): Change expand condition.
12075         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
12076         handles FPU/FPX cases as well.
12077         * config/arc/arc.opt (mfpu): New option.
12078         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
12079         Renamed.
12080         (adddf3, muldf3, subdf3): Removed.
12081         * config/arc/predicates.md (proper_comparison_operator): Recognize
12082         CC_FPU* modes.
12083         * config/arc/fpu.md: New file.
12084         * doc/invoke.texi (ARC Options): Document mfpu option.
12085
12086 2016-02-16  Richard Biener  <rguenther@suse.de>
12087
12088         PR rtl-optimization/69291
12089         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
12090         noce_operand_ok check.
12091
12092 2016-02-16  Tom de Vries  <tom@codesourcery.com>
12093
12094         PR lto/67709
12095         * omp-low.c (simd_clone_create): Remove call to
12096         symtab->call_cgraph_insertion_hooks.
12097
12098 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12099
12100         PR tree-optimization/69802
12101         * tree-ssa-reassoc.c (update_range_test): If op is
12102         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
12103         op == 1 test of precision 1 integral op, otherwise handle
12104         that case as op itself.  Fix up formatting.
12105         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
12106         up formatting.
12107
12108 2016-02-16  Richard Biener  <rguenther@suse.de>
12109
12110         PR tree-optimization/69586
12111         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
12112         types for conversion sources.
12113
12114 2016-02-16  Richard Biener  <rguenther@suse.de>
12115
12116         PR middle-end/69801
12117         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
12118         mask OEP_ADDRESS_OF.
12119
12120 2016-02-16  Alan Modra  <amodra@gmail.com>
12121
12122         PR target/68973
12123         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
12124         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
12125         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
12126         (p8_mtvsrwz): New.
12127         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
12128         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
12129         (p8_fmrgow_<mode>): Likewise.
12130         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
12131         changes.
12132         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
12133         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
12134         to use movdi_internal64.  Remove op0_di.
12135         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
12136
12137 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
12138
12139         Add support for the FCCMP insn types
12140
12141         * config/aarch64/aarch64.md (fccmp): Change insn type.
12142         (fccmpe): Likewise.
12143         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
12144         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
12145         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
12146         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
12147         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
12148         * config/arm/types.md (fccmps): Add new insn type.
12149         (fccmpd): Likewise.
12150
12151 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12152
12153         * alias.c (get_alias_set): Fix a typo in comment.
12154
12155 2016-02-15  Richard Biener  <rguenther@suse.de>
12156
12157         PR tree-optimization/69595
12158         * match.pd: Complete range test simplification to true.
12159
12160 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
12161
12162         PR rtl-optimization/69648
12163         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
12164         pic_offset_table_rtx.
12165
12166         PR rtl-optimization/69752
12167         * ira.c (update_equiv_regs): When looking for more than a single SET,
12168         also take other side effects into account.
12169
12170 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12171
12172         * config/s390/s390.c (s390_function_profiler): Add a new sequence
12173         for z900+ CPUs in 31-bit mode.
12174
12175 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12176
12177         * common/config/s390/s390-common.c (s390_supports_split_stack):
12178         New function.
12179         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
12180         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
12181         * config/s390/s390.c (struct machine_function): New field
12182         split_stack_varargs_pointer.
12183         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
12184         in s390_emit_prologue.
12185         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
12186         vararg pointer.
12187         (morestack_ref): New global.
12188         (SPLIT_STACK_AVAILABLE): New macro.
12189         (s390_expand_split_stack_prologue): New function.
12190         (s390_live_on_entry): New function.
12191         (s390_va_start): Use split-stack vararg pointer if appropriate.
12192         (s390_asm_file_end): Emit the split-stack note sections.
12193         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
12194         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
12195         (UNSPECV_SPLIT_STACK_CALL): New unspec.
12196         (UNSPECV_SPLIT_STACK_DATA): New unspec.
12197         (split_stack_prologue): New expand.
12198         (split_stack_space_check): New expand.
12199         (split_stack_data): New insn.
12200         (split_stack_call): New expand.
12201         (split_stack_call_*): New insn.
12202         (split_stack_cond_call): New expand.
12203         (split_stack_cond_call_*): New insn.
12204
12205 2016-02-15  Richard Biener  <rguenther@suse.de>
12206
12207         PR tree-optimization/69783
12208         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12209         Add trivially correct cases.
12210
12211 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12212
12213         PR lto/69655
12214         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12215         do_force_output.
12216         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12217
12218 2016-02-15  Richard Biener  <rguenther@suse.de>
12219
12220         PR tree-optimization/69776
12221         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12222         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12223         indicate whether we can use TBAA to disambiguate against stores.
12224         Use alias-set zero if not.
12225         (visit_reference_op_store): Do not use TBAA when looking up
12226         redundant stores.
12227         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12228         (eliminate_dom_walker::before_dom_children): But not when looking
12229         up redundant stores.
12230
12231 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12232
12233         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12234
12235 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12236
12237         *  config/i386/znver1.md
12238         (znver1_pop, znver1_pop_mem,
12239         znver1_load_imov_double_store,
12240         znver1_load_imov_direct_store,
12241         znver1_load_imov_direct_load,
12242         znver1_load_imov_double_load): Add new.
12243         (znver1_insn, znver1_insn_load): Add icmov type.
12244         (znver1_sseavx_fma,
12245         znver1_sseavx_fma_load,
12246         znver1_avx256_fma,
12247         znver1_avx256_fma_load): Fix pipe usage.
12248
12249 2016-02-14  Alan Modra  <amodra@gmail.com>
12250
12251         PR target/68973
12252         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12253         with an invalid hard reg, reload just the reg not the entire
12254         pre/post-inc/dec address expression.
12255
12256 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12257
12258         PR target/67260
12259         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12260         fixed R1_REG scratch reg.
12261         (sibcall_value_pcrel_fdpic): Likewise.
12262
12263 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12264
12265         PR target/67636
12266         PR target/64345
12267         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12268
12269 2016-02-12  Walter Lee  <walt@tilera.com>
12270
12271         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12272         * config/tilegx/t-tilegx: Likewise.
12273
12274 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12275
12276         PR other/69554
12277         * diagnostic-show-locus.c (struct line_span): New struct.
12278         (layout::get_first_line): Delete.
12279         (layout::get_last_line): Delete.
12280         (layout::get_num_line_spans): New member function.
12281         (layout::get_line_span): Likewise.
12282         (layout::print_heading_for_line_span_index_p): Likewise.
12283         (layout::get_expanded_location): Likewise.
12284         (layout::calculate_line_spans): Likewise.
12285         (layout::m_first_line): Delete.
12286         (layout::m_last_line): Delete.
12287         (layout::m_line_spans): New field.
12288         (layout::layout): Update comment.  Replace m_first_line and
12289         m_last_line with m_line_spans, replacing their initialization
12290         with a call to calculate_line_spans.
12291         (diagnostic_show_locus): When printing source lines and
12292         annotations, rather than looping over a single span
12293         of lines, instead loop over each line_span within
12294         the layout, with an inner loop over the lines within them.
12295         Call the context's start_span callback when changing line spans.
12296         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12297         (diagnostic_build_prefix): Break out the building of the location
12298         part of the string into...
12299         (diagnostic_get_location_text): ...this new function, rewriting
12300         it from nested ternary expressions to a sequence of "if"
12301         statements.
12302         (default_diagnostic_start_span_fn): New function.
12303         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12304         (diagnostic_context::start_span): New field.
12305         (default_diagnostic_start_span_fn): New prototype.
12306
12307 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12308
12309         PR driver/69779
12310         * gcc.c (driver::finalize): Fix cleanup of "specs".
12311
12312 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12313
12314         PR driver/69265
12315         PR driver/69453
12316         * gcc.c (driver::driver): Initialize m_option_suggestions.
12317         (driver::~driver): Clean up m_option_suggestions.
12318         (suggest_option): Convert to...
12319         (driver::suggest_option): ...this, and split out into
12320         driver::build_option_suggestions and find_closest_string.
12321         (driver::build_option_suggestions): New function, from
12322         first half of suggest_option.  Special-case
12323         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12324         the sanitizer_opts array.  For options of enum types, add the
12325         various enum values to the candidate strings.
12326         (driver::handle_unrecognized_options): Remove "const".
12327         * gcc.h (driver::handle_unrecognized_options): Likewise.
12328         (driver::build_option_suggestions): New decl.
12329         (driver::suggest_option): New decl.
12330         (driver::m_option_suggestions): New field.
12331         * opts-common.c (add_misspelling_candidates): New function.
12332         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12333         and make non-static.
12334         * opts.h (sanitizer_opts): New array decl.
12335         (add_misspelling_candidates): New function decl.
12336         * spellcheck.c (find_closest_string): New function.
12337         * spellcheck.h (find_closest_string): New function decl.
12338
12339 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12340
12341         PR rtl-optimization/69764
12342         PR rtl-optimization/69771
12343         * optabs.c (expand_binop_directly): For shift_optab_p, force
12344         convert_modes with VOIDmode if xop1 has VOIDmode.
12345
12346 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12347
12348         PR target/69729
12349         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12350         to correctly determine instrumentation thunks.
12351
12352 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12353
12354         PR ipa/69241
12355         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12356         type by reference, force lhs on the call.
12357
12358         PR ipa/68672
12359         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12360         Compute retval and retbnd early in all cases if split_part_return_p
12361         and return_bb is not EXIT.  Remove all clobber stmts and reset
12362         all debug stmts that refer to SSA_NAMEs defined in split part,
12363         except if it is retval, in that case replace the old retval with the
12364         lhs of the call to the split part.
12365
12366 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12367
12368         revert:
12369         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12370
12371         PR middle-end/66726
12372         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12373         whose result is used in PHI.
12374         (maybe_optimize_range_tests): Likewise.
12375         (final_range_test_p): Likweise.
12376
12377 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12378
12379         PR middle-end/66726
12380         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12381         whose result is used in PHI.
12382         (maybe_optimize_range_tests): Likewise.
12383         (final_range_test_p): Likweise.
12384
12385 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12386
12387         * cgraph.c: Spelling fixes - behaviour -> behavior and
12388         neighbour -> neighbor.
12389         * target.def: Likewise.
12390         * sel-sched.c: Likewise.
12391         * config/mips/mips.c: Likewise.
12392         * config/arc/arc.md: Likewise.
12393         * config/arm/cortex-a57.md: Likewise.
12394         * config/arm/arm.c: Likewise.
12395         * config/arm/neon.md: Likewise.
12396         * config/arm/arm-c.c: Likewise.
12397         * config/vms/vms-c.c: Likewise.
12398         * config/s390/s390.c: Likewise.
12399         * config/i386/znver1.md: Likewise.
12400         * config/i386/i386.c: Likewise.
12401         * config/ia64/hpux-unix2003.h: Likewise.
12402         * config/msp430/msp430.md: Likewise.
12403         * config/rx/rx.c: Likewise.
12404         * config/rx/rx.md: Likewise.
12405         * config/aarch64/aarch64-simd.md: Likewise.
12406         * config/aarch64/aarch64.c: Likewise.
12407         * config/nvptx/nvptx.c: Likewise.
12408         * config/bfin/bfin.c: Likewise.
12409         * config/cris/cris.opt: Likewise.
12410         * config/rs6000/rs6000.c: Likewise.
12411         * target.h: Likewise.
12412         * spellcheck.c: Likewise.
12413         * ira-build.c: Likewise.
12414         * tree-inline.c: Likewise.
12415         * builtins.c: Likewise.
12416         * lra-constraints.c: Likewise.
12417         * explow.c: Likewise.
12418         * hwint.h: Likewise.
12419         * targhooks.c: Likewise.
12420         * tree-vect-data-refs.c: Likewise.
12421         * expr.c: Likewise.
12422         * doc/tm.texi: Likewise.
12423         * doc/extend.texi: Likewise.
12424         * doc/install.texi: Likewise.
12425         * doc/md.texi: Likewise.
12426         * tree-ssa-tail-merge.c: Likewise.
12427         * sched-int.h: Likewise.
12428         * match.pd: Likewise.
12429         * sched-ebb.c: Likewise.
12430         * target.def (omit_struct_return_reg): Likewise.
12431         * gimple-ssa-isolate-paths.c: Likewise.
12432         (find_implicit_erroneous_behaviour): Renamed to...
12433         (find_implicit_erroneous_behavior): ... this.
12434         (find_explicit_erroneous_behaviour): Renamed to...
12435         (find_explicit_erroneous_behavior): ... this.
12436         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12437
12438 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12439
12440         PR rtl-optimization/64682
12441         PR rtl-optimization/69567
12442         PR rtl-optimization/69737
12443         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12444         in I2 as well, just lose it.
12445
12446 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12447
12448         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12449         New variable.
12450         (aarch64_last_printed_tune_string): Likewise.
12451         (aarch64_declare_function_name): Only output .arch assembler
12452         directive if it will be different from the previously output
12453         directive.  Same for .tune comment but only if -dA is set.
12454         (aarch64_start_file): New function.
12455         (TARGET_ASM_FILE_START): Define.
12456
12457 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12458
12459         PR plugins/69758
12460         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12461
12462 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12463
12464         PR target/65313
12465         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12466         -Wmaybe-uninitialized warning.
12467
12468 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12469
12470         PR target/69713
12471         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12472
12473 2016-02-11  Richard Biener  <rguenther@suse.de>
12474
12475         PR rtl-optimization/69291
12476         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12477         subexpressions affected by changing the result.
12478
12479 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12480
12481         PR target/69148
12482         * lra-constraints.c (curr_insn_transform): Find in/out operands
12483         for secondary memory moves.  Update dups.
12484
12485 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12486
12487         PR tree-optimization/69652
12488         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12489         to nested loop, did source re-formatting, skip debug statements,
12490         add check on statement with volatile operand, remove dead scalar
12491         statements.
12492
12493 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12494             Patrick Palka  <ppalka@gcc.gnu.org>
12495
12496         PR ipa/69241
12497         PR c++/69649
12498         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12499         calls if the return type is TREE_ADDRESSABLE.
12500         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12501         * ipa-split.c (split_function): Fix doubled "we" in comment.
12502         Use void return type for the split part even if
12503         !split_point->split_part_set_retval.
12504
12505 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12506
12507         PR tree-optimization/68021
12508         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12509         when computing the value of biv cand by itself.
12510
12511 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12512
12513         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12514         (cortexa57_tunings): Likewise.
12515         (cortexa72_tunings): Likewise.
12516         (arch_macro_fusion_pair_p): Add support for AES fusion.
12517         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12518         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12519         Allow virtual registers before reload so early scheduling works.
12520         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12521         correct latency and pipeline.
12522         (cortex_a57_crypto_complex): Likewise.
12523         (cortex_a57_crypto_xor): Likewise.
12524         (define_bypass): Add AES bypass.
12525
12526 2016-02-10  Richard Biener  <rguenther@suse.de>
12527
12528         PR tree-optimization/69726
12529         * passes.def: Add DCE pass before late uninit.
12530         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12531         really fixup if-conversions job.
12532
12533 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12534
12535         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12536         (arm_cortex_a57_tune): Likewise.
12537         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12538         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12539
12540 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12541
12542         * timevar.def (TV_PHASE_DBGINFO): Delete.
12543         (TV_PHASE_CHECK_DBGINFO): Likewise.
12544         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12545
12546 2016-02-10  Richard Biener  <rguenther@suse.de>
12547
12548         PR tree-optimization/69719
12549         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12550         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12551
12552 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12553
12554         PR tree-opt/69282
12555         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12556         get_vcond_mask_icode returns false.
12557
12558 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12559
12560         PR target/68404
12561         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12562         an ADDIS that adds a pointer to a large constant that sets the
12563         upper16 bits with a load operation.
12564
12565 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12566
12567         PR target/68532
12568         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12569         order.
12570         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12571         endian.
12572         (vzipq_s16): Likewise.
12573         (vzipq_s32): Likewise.
12574         (vzipq_f32): Likewise.
12575         (vzipq_u8): Likewise.
12576         (vzipq_u16): Likewise.
12577         (vzipq_u32): Likewise.
12578         (vzipq_p8): Likewise.
12579         (vzipq_p16): Likewise.
12580
12581 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12582
12583         PR target/68532
12584         * config/arm/arm.c (neon_endian_lane_map): New function.
12585         (neon_vector_pair_endian_lane_map): New function.
12586         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12587         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12588         endian.
12589         (vuzpq_s16): Likewise.
12590         (vuzpq_s32): Likewise.
12591         (vuzpq_f32): Likewise.
12592         (vuzpq_u8): Likewise.
12593         (vuzpq_u16): Likewise.
12594         (vuzpq_u32): Likewise.
12595         (vuzpq_p8): Likewise.
12596         (vuzpq_p16): Likewise.
12597
12598 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12599
12600         PR target/69634
12601         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12602         debug insns.
12603
12604 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12605
12606         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12607         truncate const_int operand 1 to QImode.
12608
12609 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12610
12611         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12612         corresponding to an abnormal edge.
12613
12614 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12615
12616         PR tree-optimization/69599
12617         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12618         function.
12619         (find_func_aliases_for_builtin_call, find_func_clobbers)
12620         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12621         partition.
12622
12623 2016-02-09  Richard Biener  <rguenther@suse.de>
12624
12625         PR tree-optimization/69715
12626         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12627         LHS on calls as non-rewritable.
12628
12629 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12630
12631         PR lto/69707
12632         * lto-wrapper.c (append_diag_options): New function.
12633         (compile_offload_image): Call append_diag_options.
12634
12635 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12636
12637         PR other/69722
12638         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12639         Minor copy-edit to fix verb tenses.
12640
12641 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12642
12643         PR tree-optimization/69209
12644         * ipa-split.c (split_function): If split part is not
12645         returning retval, retval has gimple type but is not
12646         gimple value, force it into a SSA_NAME first.
12647
12648 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
12649
12650         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12651         outdated section.
12652
12653 2016-02-08  Jason Merrill  <jason@redhat.com>
12654
12655         PR c++/69631
12656         * convert.c (convert_to_integer_1): Check dofold on truncation
12657         distribution.
12658         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12659         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12660         Rename from *_nofold.
12661         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12662         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12663
12664 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
12665
12666         PR target/60410
12667         * tree.c (build_common_tree_nodes): Remove short_double argument.
12668         All callers changed.
12669         * tree.h (build_common_tree_nodes): Adjust declaration.
12670         * doc/invoke.texi (-fshort-double): Remove documentation.
12671         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12672         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12673         * lto-wrapper.c (merge_and_complain, append_compiler_options)
12674         (append_linker_options): Don't handle OPT_fshort_double.
12675
12676         PR rtl-optimization/68730
12677         * lra-remat.c (insn_to_cand_activation): New static variable.
12678         (lra_remat): Allocate and free it.
12679         (create_cand): New arg activation. Initialize a field in
12680         insn_to_cand_activation if it is nonnull.
12681         (create_cands): Pass the activation insn to create_cand when making
12682         a candidate involving an output reload.  Reorganize code a little.
12683         (do_remat): Keep track of active status of candidates in a separate
12684         bitmap.
12685
12686 2016-02-08  Richard Biener  <rguenther@suse.de>
12687
12688         PR tree-optimization/69719
12689         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12690         Properly use absolute of the difference of the two offsets to
12691         compare or adjust the segment length.
12692
12693 2016-02-08  Richard Biener  <rguenther@suse.de>
12694             Jeff Law  <law@redhat.com>
12695
12696         PR target/68273
12697         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12698         types for anonymous SSA names.
12699
12700 2016-02-08   Richard Biener  <rguenther@suse.de>
12701
12702         PR rtl-optimization/69274
12703         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12704
12705 2016-02-08  Jeff Law  <law@redhat.com>
12706
12707         PR tree-optimization/65917
12708         * tree-ssa-dom.c (record_temporary_equivalences): Record both
12709         equivalences from if (x == y) style conditionals.
12710         (loop_depth_of_name): Remove.
12711         (record_equality): Remove loop depth check.
12712         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12713         (const_and_copies::record_const_or_copy_raw): New member function.
12714         * tree-ssa-scopedtables.c
12715         (const_and_copies::record_const_or_copy_raw): New, factored out of
12716         (const_and_copies::record_const_or_copy): Call new member function.
12717
12718 2016-02-05  Jeff Law  <law@redhat.com>
12719
12720         PR tree-optimization/68541
12721         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12722         (count_stmts_in_block): New function.
12723         (poor_ifcvt_candidate_code): Likewise.
12724         (is_feasible_trace): Add some heuristics to determine when path
12725         splitting is profitable.
12726         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12727         is a diamond with a single exit.
12728
12729 2016-02-05  Martin Sebor  <msebor@redhat.com>
12730
12731         PR c++/69662
12732         * doc/invoke.texi: Update -Wplacement-new to take an optional
12733         argument.
12734
12735 2016-02-06  Richard Henderson  <rth@redhat.com>
12736
12737         PR c/69643
12738         * tree.c (tree_nop_conversion_p): Do not strip casts into or
12739         out of non-standard address spaces.
12740
12741 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12742
12743         PR rtl-optimization/69691
12744         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12745
12746 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
12747
12748         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12749         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12750         (*ieee128_mfvsrd_64bit): Likewise.
12751         (*ieee128_mfvsrd_32bit): Likewise.
12752
12753 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
12754
12755         PR target/69369
12756         Revert r232560:
12757         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12758
12759         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12760         instrumented_version.
12761
12762 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12763
12764         * doc/invoke.texi (Optimize Options): In table of --param options
12765         rename second occurrence of tracer-min-branch-ratio to
12766         tracer-min-branch-probability, rename
12767         tracer-min-branch-ratio-feedback to
12768         tracer-min-branch-probability-feedback and clarify description,
12769         rename sched-spec-state-edge-prob-cutoff to
12770         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12771         to selsched-insns-to-rename, rename lto-minpartition to
12772         lto-min-partition, delete reorder-blocks-duplicate and
12773         reorder-blocks-duplicate-feedback.
12774
12775 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12776
12777         * config/s390/s390.c (s390_register_info_set_ranges): Remove
12778         superfluous loops.
12779
12780 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12781
12782         * doc/extend.texi: S/390: Correct some typos.
12783
12784 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12785
12786         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12787
12788 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12789
12790         PR target/69625
12791         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12792         (s390_register_info_gprtofpr): Use new macros above.
12793         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12794         its name.
12795         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12796         its name.  Adjust restore and save gpr ranges.
12797         (s390_register_info_set_ranges): New function.
12798         (s390_register_info): Use new macros above.  Call
12799         s390_register_info_set_ranges.
12800         (s390_optimize_register_info): Likewise.
12801         (s390_hard_regno_rename_ok): Use new macros.
12802         (s390_hard_regno_scratch_ok): Likewise.
12803         (s390_emit_epilogue): Likewise.
12804         (s390_can_use_return_insn): Likewise.
12805         (s390_optimize_prologue): Likewise.
12806         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12807
12808 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12809
12810         PR bootstrap/69677
12811         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12812         alignment fixes.
12813         (ix86_option_override_internal): Disable TARGET_STV even for
12814         -m{incoming,preferred}-stack-boundary=3.
12815
12816 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12817
12818         * config.gcc: Mark deprecated rtems targets as obsolete.
12819
12820 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
12821
12822         PR rtl-optimization/64682
12823         PR rtl-optimization/69567
12824         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12825         before I2 only if the register is both used and set in I2.
12826
12827 2016-02-04  DJ Delorie  <dj@redhat.com>
12828
12829         * config/msp430/msp430.c (msp430_start_function): Add function type.
12830
12831 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12832
12833         PR fortran/69368
12834         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12835
12836 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
12837
12838         PR rtl-optimization/69577
12839         Revert:
12840         2015-10-29  Richard Henderson  <rth@redhat.com>
12841
12842         PR target/68124
12843         PR rtl-opt/67609
12844         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12845         sse check to the exact conditions of PR 67609.
12846
12847 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12848
12849         PR target/69667
12850         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12851         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12852         not allowed into the traditional Altivec registers.
12853         (movtd_64bit_nodm): Likewise.
12854         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12855
12856 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
12857
12858         * config/aarch64/cortex-a57-fma-steering.c
12859         (aarch64_register_fma_steering): Remove "static" from arguments
12860         to register_pass.
12861
12862 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
12863
12864         PR target/69619
12865         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12866         twice when complex.
12867
12868 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
12869
12870         * doc/invoke.texi: Delete -mno-fma4.
12871
12872 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
12873
12874         PR rtl-optimization/69577
12875         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12876         (find_subregs_of_mode): Update accordingly.  Iterate over partial
12877         definitions.
12878
12879 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
12880
12881         * config/arm/arm-protos.h (neon_reinterpret): Remove.
12882         * config/arm/arm.c (neon_reinterpret): Remove.
12883         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12884         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12885         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12886         vreinterpretti): Remove.
12887         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12888         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12889         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12890         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12891         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12892         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12893         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12894         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12895         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12896         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12897         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12898         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12899         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12900         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12901         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12902         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12903         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12904         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12905         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12906         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12907         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12908         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12909         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12910         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12911         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12912         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12913         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12914         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12915         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12916         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12917         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12918         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12919         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12920         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12921         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12922         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12923         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12924         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12925         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12926         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12927         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12928         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12929         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12930         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12931         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12932         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12933         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12934         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12935         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12936         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12937         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12938         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12939         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12940         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12941         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12942         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12943         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12944         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12945         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12946         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12947         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12948         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12949         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12950         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12951         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12952         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12953         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12954         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12955         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12956         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12957         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12958         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12959         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12960         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12961         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12962         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12963         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12964         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12965         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12966         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12967         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12968         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12969         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12970         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12971         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12972         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12973         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12974         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12975         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12976         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12977         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12978         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12979         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12980         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12981         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12982         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12983         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12984         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12985         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12986         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12987         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12988         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12989         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12990
12991 2016-02-04  Martin Liska  <mliska@suse.cz>
12992
12993         PR sanitizer/69276
12994         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12995         that are gimple_store_p.
12996         (maybe_instrument_call): Likewise.
12997
12998 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
12999
13000         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
13001         register scaling out of memory reference and comment why.
13002
13003 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13004
13005         PR target/65932
13006         PR target/67714
13007         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
13008         folding the source of a SET.
13009
13010 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13011
13012         PR target/65932
13013         PR target/67714
13014         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
13015         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
13016
13017 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
13018
13019         PR target/65932
13020         PR target/67714
13021         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
13022         HImode.
13023
13024 2016-02-04  Christian Bruel  <christian.bruel@st.com>
13025
13026         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
13027         * config/arm/arm.c (arm_set_current_function): Likewise.
13028
13029 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13030             Ilya Enkovich  <enkovich.gnu@gmail.com>
13031             H.J. Lu  <hongjiu.lu@intel.com>
13032
13033         PR target/69454
13034         * config/i386/i386.c (convert_scalars_to_vector): Remove
13035         stack alignment fixes.
13036         (ix86_option_override_internal): Disable TARGET_STV if stack
13037         might not be aligned enough.
13038         (ix86_minimum_alignment): Assert that TARGET_STV is false.
13039
13040 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
13041
13042         * config/i386/x86-tune.def: Disable default prefetching
13043         for -march=znver1.
13044
13045 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13046             Vladimir Makarov  <vmakarov@redhat.com>
13047
13048         PR target/69461
13049         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
13050         in validating fused toc addresses.
13051
13052 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
13053
13054         PR c/69627
13055         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
13056         range->m_caret fields if range->m_show_caret_p is false.
13057
13058         PR target/69644
13059         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13060         Force oldval into register if it does not satisfy reg_or_short_operand
13061         predicate.  Fix up formatting.
13062
13063 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
13064             Alexandre Oliva  <aoliva@redhat.com>
13065
13066         PR target/69461
13067         * lra-constraints.c (simplify_operand_subreg): Check additionally
13068         address validity after potential reloading.
13069         (process_address_1): Check insns validity.  In case of failure do
13070         nothing.
13071
13072 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
13073
13074         PR target/69118
13075         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
13076         Fix target.
13077
13078 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
13079
13080         * wide-int.cc (canonize_uhwi): New function.
13081         (wi::divmod_internal): Use it.
13082
13083 2016-02-02  James Norris  <jnorris@codesourcery.com
13084
13085         * gimplify.c (omp_notice_variable): Add usage check.
13086
13087 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
13088
13089         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
13090         like LE, GE, LT, GT when emitting relational operator.
13091
13092 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13093
13094         * ira-costs.c (find_costs_and_classes): Add extra argument.
13095         * target.def (ira_change_pseudo_allocno_class): Add parameter.
13096         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
13097         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
13098         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
13099         Add best_class parameter, and return it if not ALL_REGS.
13100         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
13101         Add parameter.
13102         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
13103         Update target hook.
13104
13105 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13106
13107         * config/aarch64/aarch64.c
13108         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
13109         (aarch64_ira_change_pseudo_allocno_class): New function.
13110
13111 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
13112
13113         PR target/67032
13114         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
13115
13116 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13117
13118         * config/avr/avr.c (avr_option_override): Set
13119         PARAM_ALLOW_STORE_DATA_RACES to 1.
13120
13121 2016-02-02  Richard Biener  <rguenther@suse.de>
13122
13123         PR tree-optimization/69595
13124         * match.pd: Add range test simplifications to true/false.
13125
13126 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
13127
13128         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
13129         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
13130         instead.
13131
13132 2016-02-02  Richard Biener  <rguenther@suse.de>
13133
13134         PR tree-optimization/69606
13135         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
13136         info on the result before moving a stmt.
13137
13138 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
13139
13140         PR middle-end/68542
13141         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
13142         branch with vector comparison.
13143         * config/i386/sse.md (VI48_AVX): New mode iterator.
13144         (define_expand "cbranch<mode>4): Add support for conditional branch
13145         with vector comparison.
13146         * tree-vect-loop.c (optimize_mask_stores): New function.
13147         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
13148         has_mask_store field of vect_info.
13149         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
13150         vectorized loops having masked stores after vec_info destroy.
13151         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
13152         correspondent macros.
13153         (optimize_mask_stores): Add prototype.
13154
13155 2016-02-02  Alan Modra  <amodra@gmail.com>
13156
13157         PR target/69548
13158         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
13159         allow subregs.
13160
13161 2016-02-02  Alan Modra  <amodra@gmail.com>
13162
13163         PR target/68662
13164         * config/rs6000/rs6000.c (need_toc_init): New var, set it
13165         whenever toc_label_name used.
13166         (rs6000_file_start): Don't set up toc section here,
13167         (rs6000_output_function_epilogue): do so here instead,
13168         (rs6000_xcoff_file_start): and here.
13169         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
13170         (load_toc_aix_di): Likewise.
13171
13172 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13173
13174         PR rtl-optimization/69592
13175         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
13176         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
13177         (num_sign_bit_copies_binary_arith_p): New inline function.
13178         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
13179
13180 2016-02-01  Jeff Law  <law@redhat.com>
13181
13182         PR tree-optimization/69580
13183         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
13184         * tree-ssa-threadbackward.c
13185         (fsm_find_control_statement_thread_paths): Do not try to walk
13186         through large PHI nodes.
13187
13188 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13189
13190         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
13191         when count is incremented above limit, don't analyze further
13192         insns afterwards.
13193
13194         * omp-low.c (oacc_parse_default_dims): Avoid
13195         -Wsign-compare warning, make sure value fits into int
13196         rather than just unsigned int.
13197
13198 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
13199
13200         PR tree-optimization/67921
13201         * fold-const.c (split_tree): New parameters.  Convert pointer
13202         type variable part to proper type before negating.
13203         (fold_binary_loc): Pass new arguments to split_tree.
13204
13205 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13206
13207         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13208         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13209         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13210         * doc/tm.texti: Rebuilt.
13211         * doc/invoke.texi (fopenacc-dim): Document.
13212         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13213         (append_compiler_options): Likewise.
13214         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13215         (oacc_parse_default_dims): New.
13216         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13217         possible.
13218         (oacc_loop_fixed_partitions): Return mask of used partitions.
13219         (oacc_loop_auto_partitions): Emit dump info.
13220         (oacc_loop_partition): Return mask of used partitions.
13221         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13222         loop partitioning and validation calls.
13223
13224 2016-02-01  Richard Biener  <rguenther@suse.de>
13225
13226         PR middle-end/69556
13227         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13228
13229 2016-02-01  Richard Biener  <rguenther@suse.de>
13230
13231         PR tree-optimization/69574
13232         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13233         of asserting return chrec_dont_know.
13234
13235 2016-02-01  Martin Liska  <mliska@suse.cz>
13236
13237         * mem-stats-traits.h: Add copyright header.
13238         * mem-stats.h: Likewise.
13239
13240 2016-02-01  Richard Biener  <rguenther@suse.de>
13241
13242         PR tree-optimization/69579
13243         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13244         Do not propagate through abnormal PHI results.
13245
13246 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13247
13248         * postreload.c (reload_cse_simplify): Remove dead code.
13249
13250 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13251
13252         PR rtl-optimization/69570
13253         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13254         if there is more than one set, not if there is a single set.
13255
13256 2016-02-01  Richard Henderson  <rth@redhat.com>
13257
13258         PR rtl-opt/69535
13259         * combine.c (make_compound_operation): When looking through a
13260         subreg, make sure to re-extend to the width of the outer mode.
13261
13262 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13263
13264         PR tree-optimization/69546
13265         * wide-int.cc (wi::divmod_internal): For unsigned division
13266         where both operands fit into uhwi, if o1 is 1 and o0 has
13267         msb set, if divident_prec is larger than bits per hwi,
13268         clear another quotient word and return 2 instead of 1.
13269         Similarly for remainder with msb in HWI set, if dividend_prec
13270         is larger than bits per hwi.
13271
13272 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13273
13274         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13275         Use short lowercase names.
13276         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13277         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13278         acq_rel one.  Protect warning agains segfaults if
13279         get_memory_order_name returns NULL.
13280         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13281         with release semantics.  Do not warn if get_memory_order already did.
13282         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13283         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13284         if get_memory_order already did.
13285
13286 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13287
13288         * doc/install.texi: Document that isl-0.16 is supported.
13289
13290 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13291
13292         PR target/69299
13293         * config/i386/constraints.md (Bm): Describe as special memory
13294         constraint.
13295         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13296         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13297         * genpreds.c (struct constraint_data): Add is_special_memory.
13298         (have_special_memory_constraints, special_memory_start): New
13299         static vars.
13300         (special_memory_end): Ditto.
13301         (add_constraint): Add new arg is_special_memory.  Add code to
13302         process its true value.  Update have_special_memory_constraints.
13303         (process_define_constraint): Pass the new arg.
13304         (process_define_register_constraint): Ditto.
13305         (choose_enum_order): Process special memory.
13306         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13307         function insn_extra_special_memory_constraint.
13308         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13309         * gensupport.c (process_rtx): Process
13310         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13311         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13312         * ira-lives.c (single_reg_class): Use
13313         insn_extra_special_memory_constraint.
13314         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13315         * lra-constraints.c (process_alt_operands): Ditto.
13316         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13317         * recog.c (asm_operand_ok, preprocess_constraints): Process
13318         CT_SPECIAL_MEMORY.
13319         * reload.c (find_reloads): Ditto.
13320         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13321         * stmt.c (parse_input_constraint): Use
13322         insn_extra_special_memory_constraint.
13323
13324 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13325
13326         PR target/69530
13327         * lra-splill.c (lra_final_code_change): Revert r229087 by
13328         removing all sub-registers.
13329
13330 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13331
13332         PR target/65604
13333         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13334
13335 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13336
13337         PR target/69551
13338         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13339         SSE1, copy target into the temporary reg first before recursing
13340         on it.
13341
13342 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13343
13344         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13345         with vm.
13346
13347 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13348
13349         * ginclude/stdarg.h: Test __cplusplus instead of
13350         __GXX_EXPERIMENTAL_CXX0X__.
13351
13352 2016-01-29  Richard Biener  <rguenther@suse.de>
13353
13354         PR tree-optimization/69547
13355         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13356         Do not mark clobbers necessary.
13357         (mark_all_reaching_defs_necessary_1): Likewise.
13358
13359 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13360
13361         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13362         declaration name with %qs and print it in both error messages.
13363         Also fix indentation.
13364
13365 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13366
13367         PR other/69006
13368         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13369         trailing blank line from error message.
13370
13371 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13372
13373         PR c++/69462
13374         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13375         for C++-11.
13376
13377 2016-01-29  Richard Biener  <rguenther@suse.de>
13378
13379         PR middle-end/69537
13380         * match.pd: Allow all integral types when simplifying a
13381         widening or sign-changing conversion.
13382
13383 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13384
13385         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13386         back to setting codegen_error to fail codegen.
13387
13388 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13389
13390         PR target/69459
13391         * config/i386/constraints.md (C): Only accept constant zero operand.
13392         (BC): New constraint.
13393         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13394         instead of C constraint.
13395         * doc/md.texi (Machine Constraints): Update description
13396         of C constraint.
13397
13398 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13399
13400         PR target/68400
13401         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13402
13403 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13404
13405         PR middle-end/69542
13406         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13407         non-debug insns.
13408
13409 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13410
13411         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13412         branches if using guessed profile.
13413
13414 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13415
13416         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13417
13418 2016-01-28  Richard Henderson  <rth@redhat.com>
13419
13420         PR target/69305
13421         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13422         * config/aarch64/aarch64-protos.h: Update.
13423         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13424         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13425         (aarch64_get_condition_code_1): Handle CC_Cmode.
13426         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13427         (*add<mode>3_compareC_cconly_imm): New.
13428         (*add<mode>3_compareC_cconly): New.
13429         (*add<mode>3_compareC_imm): New.
13430         (add<mode>3_compareC): New.
13431         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13432         to be first.  Use aarch64_carry_operation.
13433         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13434         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13435         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13436         (subti3): Use subdi3_compare1.
13437         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13438         (sub<mode>3_compare1): New.
13439         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13440         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13441         (*subsi3_carryin_uxtw): Likewise.
13442         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13443         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13444         * config/aarch64/iterators.md (DWI): New.
13445         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13446         (aarch64_borrow_operation): New.
13447
13448 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13449
13450         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13451         message when isl does not return a valid schedule.
13452
13453 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13454
13455         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13456         Remove comments from class declarations: they are already in the code
13457         close by the defs.
13458
13459 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13460
13461         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13462         codegen_error_p.
13463         (ternary_op_to_tree): Same.
13464         (unary_op_to_tree): Same.
13465         (nary_op_to_tree): Same.
13466         (gcc_expression_from_isl_expr_op): Same.
13467         (gcc_expression_from_isl_expression): Same.
13468         (graphite_create_new_loop): Same.
13469         (graphite_create_new_loop_guard): Same.
13470         (build_iv_mapping): Same.
13471         (graphite_create_new_guard): Same.
13472         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13473         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13474
13475 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13476
13477         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13478         instead of setting codegen_error to fail codegen.
13479
13480 2016-01-28  Jason Merrill  <jason@redhat.com>
13481
13482         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13483
13484 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13485
13486         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13487         Remove CONST_INT_P check in CCMP cost calculation.
13488
13489 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13490
13491         * config/aarch64/aarch64.c (generic_vector_cost):
13492         Set vec_permute_cost.
13493         (cortexa57_vector_cost): Likewise.
13494         (exynosm1_vector_cost): Likewise.
13495         (xgene1_vector_cost): Likewise.
13496         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13497         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13498         Add vec_permute_cost entry.
13499
13500 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13501
13502         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13503         immediate as %1.
13504         (add<mode>3_compare0): Likewise.
13505         (addsi3_compare0_uxtw): Likewise.
13506         (add<mode>3nr_compare0): Likewise.
13507         (compare_neg<mode>): Likewise.
13508         (<optab><mode>3): Likewise.
13509
13510 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13511
13512         * tree-vect-stmts.c (vectorizable_comparison): Add
13513         NULL check for vectype.
13514
13515 2016-01-28  Richard Biener  <rguenther@suse.de>
13516
13517         PR tree-optimization/69466
13518         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13519         Account for PHIs we couldn't duplicate.
13520
13521 2016-01-28  Martin Liska  <mliska@suse.cz>
13522
13523         PR pch/68758
13524         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13525         instead of ENABLE_VALGRIND_CHECKING.
13526
13527 2016-01-27  Richard Henderson  <rth@redhat.com>
13528
13529         PR rtl-opt/69447
13530         * lra-remat.c (subreg_regs): New.
13531         (dump_candidates_and_remat_bb_data): Dump it.
13532         (operand_to_remat): Reject if operand in subreg_regs.
13533         (set_bb_regs): Collect subreg_regs.
13534         (lra_remat): Init and free subreg_regs.  Compute
13535         calculate_local_reg_remat_bb_data before create_cands.
13536
13537 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13538
13539         PR target/68986
13540         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13541         change stack_alignment_needed for __tls_get_addr call.
13542
13543 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13544
13545         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13546
13547 2016-01-27  Jeff Law  <law@redhat.com>
13548
13549         PR tree-optimization/68398
13550         PR tree-optimization/69196
13551         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13552         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13553         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13554         Only count PHIs in the last block in the path.  The others will
13555         const/copy propagate away.  Add heuristic to allow more irreducible
13556         subloops to be created when it is likely profitable to do so.
13557
13558         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13559         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13560         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13561
13562 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13563
13564         PR lto/69254
13565         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13566         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13567         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13568         * tree-streamer-in.c: Include asan.h.
13569         (streamer_get_builtin_tree): For builtins in sanitizer
13570         range call initialize_sanitizer_builtins and retry.
13571
13572 2016-01-27  Ian Lance Taylor  <iant@google.com>
13573
13574         * common.opt (fkeep-gc-roots-live): New undocumented option.
13575         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13576         -fkeep-gc-roots-live, skip pointers.
13577         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13578         NULL.
13579
13580 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13581
13582         PR target/69512
13583         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13584         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13585
13586 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13587
13588         PR target/68380
13589         * configure.ac: NetBSD provides SSP in its C library.
13590         * configure: Updated.
13591
13592 2016-01-27  Richard Biener  <rguenther@suse.de>
13593
13594         PR tree-optimization/69166
13595         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13596         reduction code for commutativity / associativity.
13597
13598 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13599
13600         PR tree-optimization/69355
13601         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13602         total_scalarization fails.
13603
13604 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13605
13606         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13607         power9.
13608
13609 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13610
13611         PR target/69245
13612         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13613         Move arm_reset_previous_fndecl and set_target_option_current_node in
13614         the conditional part.  Call save_restore_target_globals.
13615         * config/arm/arm.c (arm_set_current_function):
13616         Refactor to better support #pragma target and attribute mix.
13617         Call save_restore_target_globals.
13618         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13619
13620 2016-01-27  Martin Liska  <mliska@suse.cz>
13621
13622         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13623         reference for an HSA kernel and its host function.
13624
13625 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13626
13627         PR tree-optimization/69399
13628         * wide-int.h (wi::lrshift): For larger precisions, only
13629         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13630
13631 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13632
13633         * config/arc/predicates.md (proper_comparison_operator): Reject
13634         constant-constant comparison.
13635
13636 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13637
13638         PR tree-optimization/69110
13639         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13640         DR_NUM_DIMENSIONS == 0.
13641
13642 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13643             Sebastian Pop  <s.pop@samsung.com>
13644
13645         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13646         isl_ast_op_cond and isl_ast_op_select.
13647         (gcc_expression_from_isl_expr_op): Same.
13648
13649 2016-01-26  Jason Merrill  <jason@redhat.com>
13650
13651         PR c++/68782
13652         * tree.c (recompute_constructor_flags): Split out from
13653         build_constructor.
13654         (verify_constructor_flags): New.
13655         * tree.h: Declare them.
13656
13657 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
13658
13659         PR rtl-optimization/69217
13660         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13661         are no TYPE_FIELDS set for the record type.
13662
13663 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13664
13665         PR target/68662
13666         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13667         toc_label_name unconditionally.
13668         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13669         SYMBOL_REF string.  Use toc_label_name instead of constructing
13670         LCTOC1.
13671         (rs6000_elf_declare_function_name): Use toc_label_name instead of
13672         constructing LCTOC1.
13673
13674 2016-01-26  Martin Sebor  <msebor@redhat.com>
13675
13676         PR other/69477
13677         * doc/extend.texi (Common Type Attributes): Move text that talks about
13678         attribute packed from attribute aligned to the section discussing
13679         the former attribute for clarity.
13680
13681 2016-01-26  Richard Henderson  <rth@redhat.com>
13682
13683         PR middle-end/60908
13684         * trans-mem.c (tm_region_init): Mark entry block as visited.
13685
13686 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
13687
13688         PR other/69006
13689         * diagnostic-show-locus.c (layout::print_source_line): Replace
13690         call to pp_newline with call to layout::print_newline.
13691         (layout::print_annotation_line): Likewise.
13692         (layout::move_to_column): Likewise.
13693         (layout::print_any_fixits): After printing any fixits, print a
13694         trailing newline, if necessary.
13695         (layout::print_newline): New method, resetting any colorization
13696         before a newline.
13697         (diagnostic_show_locus): Move the pp_newline to before the
13698         early bailout.  Remove dummy block enclosing the layout instance.
13699         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13700         of pp_newline_and_flush with pp_flush.
13701         (diagnostic_append_note): Delete use of pp_newline.
13702         (diagnostic_append_note_at_rich_loc): Delete.
13703         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13704         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13705         when newline characters are added to the buffer.
13706
13707 2016-01-26  Michael Matz  <matz@suse.de>
13708
13709         * configure.ac (ac_cv_std_swap_in_utility): New test.
13710         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13711         * configure: Regenerate.
13712         * config.in: Regenerate.
13713
13714 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
13715
13716         * config/arc/arc.md (cstoresi4): Force operand into register.
13717         (arcset<code>): Fix predicate.
13718         (arcsetltu): Likewise.
13719         (arcsetgeu): Likewise.
13720         (arcsethi): Likewise.
13721         (arcsetls): Likewise.
13722
13723 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13724
13725         PR tree-optimization/69483
13726         * gimple-fold.c (canonicalize_constructor_val): Return NULL
13727         if base has error_mark_node type.
13728
13729 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
13730
13731         PR target/68620
13732         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13733         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13734         New helper macros.
13735         (vget_lane_f16): Handle big-endian.
13736         (vgetq_lane_f16): Likewise.
13737         (vset_lane_f16): Likewise.
13738         (vsetq_lane_f16): Likewise.
13739         * config/arm/iterators.md (VQXMOV): Add V8HF.
13740         (VDQ): Add V4HF and V8HF.
13741         (V_reg): Handle V4HF and V8HF.
13742         (Is_float_mode): Likewise.
13743         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13744         neon_vdup_nv8hf): New patterns.
13745         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13746         Use VD_LANE iterator.
13747         (neon_vld1_dup<mode>): Use VQ2 iterator.
13748
13749 2016-01-26  Nathan Sidwell  <nathan@acm.org>
13750
13751         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13752         (set_oacc_fn_attrib): Add IS_KERNEL arg.
13753         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13754         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13755         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13756         (oacc_validate_dims): Add LEVEL arg, don't return level.
13757         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13758         oacc_validate_dims.
13759         (execute_oacc_device_lower): Adjust, add more dump output.
13760         * tree-ssa-loop.c (gate_oacc_kernels): Use
13761         oacc_fn_attrib_kernels_p.
13762         * tree-parloops.c (create_parallel_loop): Adjust
13763         set_oacc_fn_attrib call.
13764
13765 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13766
13767         PR lto/69254
13768         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13769         (append_compiler_options): Handle -fcilkplus.
13770         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13771
13772 2016-01-26  Nick Clifton  <nickc@redhat.com>
13773
13774         PR target/66655
13775         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13776         been marked as DECL_ONE_ONLY but we do not the means to make it
13777         so, then do not allow it to bind locally.
13778
13779 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13780
13781         PR lto/69254
13782         * opts.h (parse_sanitizer_options): New prototype.
13783         * opts.c (sanitizer_opts): New array.
13784         (parse_sanitizer_options): New function.
13785         (common_handle_option): Use parse_sanitizer_options.
13786
13787 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
13788
13789         PR target/68986
13790         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13791         alignment adjustment to ...
13792         (ix86_update_stack_boundary): Here.  Don't over-align stack for
13793         __tls_get_addr.
13794         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13795         if __tls_get_addr is called.
13796
13797 2016-01-26  Christian Bruel  <christian.bruel@st.com>
13798
13799         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13800
13801 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
13802
13803         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13804
13805 2016-01-26  Richard Biener  <rguenther@suse.de>
13806
13807         PR middle-end/69467
13808         * match.pd: Guard X * CST CMP 0 pattern with single_use.
13809
13810 2016-01-26  Richard Biener  <rguenther@suse.de>
13811
13812         PR tree-optimization/69452
13813         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13814         (move_computations_dom_walker::before_dom_children): Rename
13815         to ...
13816         (move_computations_worker): This.
13817         (move_computations): Perform an RPO rather than a DOM walk.
13818
13819 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13820
13821         PR target/69442
13822         * combine.c (combine_instructions): For REG_EQUAL note with
13823         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13824         to the underlying register.
13825         * doc/rtl.texi (REG_EQUAL): Document the behavior of
13826         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13827
13828 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
13829
13830         PR target/67896
13831         * config/aarch64/aarch64-builtins.c
13832         (aarch64_init_simd_builtin_types): Do not set structural
13833         equality to __Poly{8,16,64,128}_t types.
13834
13835 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
13836
13837         PR tree-optimization/69400
13838         * wide-int.cc (wi_pack): Take the precision as argument and
13839         perform canonicalization here rather than in the callers.
13840         Use the main loop to handle all full-width HWIs.  Add a
13841         zero HWI if in_len isn't a full result.
13842         (wi::divmod_internal): Update accordingly.
13843         (wi::mul_internal): Likewise.  Simplify.
13844
13845 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13846             Sebastian Pop  <s.pop@samsung.com>
13847
13848         * graphite-poly.c (apply_poly_transforms): Simplify.
13849         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13850         (print_isl_map): Same.
13851         (print_isl_union_map): Same.
13852         (print_isl_schedule): New.
13853         (debug_isl_schedule): New.
13854         * graphite-dependences.c (scop_get_reads): Do not call
13855         isl_union_map_add_map that is undocumented isl functionality.
13856         (scop_get_must_writes): Same.
13857         (scop_get_may_writes): Same.
13858         (scop_get_original_schedule): Remove.
13859         (scop_get_dependences): Do not call isl_union_map_compute_flow that
13860         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
13861         (compute_deps): Remove.
13862         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13863         (debug_schedule_ast): New.
13864         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13865         set_separate_option.
13866         (graphite_regenerate_ast_isl): Add dump.
13867         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13868         from scop->transformed_schedule.
13869         (graphite_regenerate_ast_isl): Add more dump.
13870         * graphite-optimize-isl.c (optimize_isl): Set
13871         scop->transformed_schedule.  Check whether schedules are equal.
13872         (apply_poly_transforms): Move here.
13873         * graphite-poly.c (apply_poly_transforms): ... from here.
13874         (free_poly_bb): Static.
13875         (free_scop): Static.
13876         (pbb_number_of_iterations_at_time): Remove.
13877         (print_isl_ast): New.
13878         (debug_isl_ast): New.
13879         (debug_scop_pbb): New.
13880         * graphite-scop-detection.c (print_edge): Move.
13881         (print_sese): Move.
13882         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13883         (build_scop_scattering): Remove.
13884         (create_pw_aff_from_tree): Assert instead of bailing out.
13885         (add_condition_to_pbb): Remove unused code, do not fail.
13886         (add_conditions_to_domain): Same.
13887         (add_conditions_to_constraints): Remove.
13888         (build_scop_context): New.
13889         (add_iter_domain_dimension): New.
13890         (build_iteration_domains): Initialize pbb->iterators.
13891         Call add_conditions_to_domain.
13892         (nested_in): New.
13893         (loop_at): New.
13894         (index_outermost_in_loop): New.
13895         (index_pbb_in_loop): New.
13896         (outermost_pbb_in): New.
13897         (add_in_sequence): New.
13898         (add_outer_projection): New.
13899         (outer_projection_mupa): New.
13900         (add_loop_schedule): New.
13901         (build_schedule_pbb): New.
13902         (build_schedule_loop): New.
13903         (embed_in_surrounding_loops): New.
13904         (build_schedule_loop_nest): New.
13905         (build_original_schedule): New.
13906         (build_poly_scop): Call build_original_schedule.
13907         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13908         (free_poly_dr): Remove.
13909         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
13910         (free_poly_bb): Remove.
13911         (debug_loop_vec): Remove.
13912         (print_isl_ast): Declare.
13913         (debug_isl_ast): Declare.
13914         (scop_do_interchange): Remove.
13915         (scop_do_strip_mine): Remove.
13916         (scop_do_block): Remove.
13917         (flatten_all_loops): Remove.
13918         (optimize_isl): Remove.
13919         (pbb_number_of_iterations_at_time): Remove.
13920         (debug_scop_pbb): Declare.
13921         (print_schedule_ast): Declare.
13922         (debug_schedule_ast): Declare.
13923         (struct scop): Remove schedule.  Add original_schedule,
13924         transformed_schedule.
13925         (free_gimple_poly_bb): Remove.
13926         (print_generated_program): Remove.
13927         (debug_generated_program): Remove.
13928         (unify_scattering_dimensions): Remove.
13929         * sese.c (print_edge): ... here.
13930         (print_sese): ... here.
13931         (debug_edge): ... here.
13932         (debug_sese): ... here.
13933         * sese.h (print_edge): Declare.
13934         (print_sese): Declare.
13935         (dump_edge): Declare.
13936         (dump_sese): Declare.
13937
13938 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13939             Sebastian Pop  <s.pop@samsung.com>
13940
13941         * Makefile.in: Set ISLVER in site.exp.
13942
13943 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
13944
13945         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13946         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
13947         through DECL_VALUE_EXPR for expansion.
13948
13949 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13950
13951         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13952         the frame info after reload completed.
13953
13954 2016-01-25  Jeff Law  <law@redhat.com>
13955
13956         PR tree-optimization/69196
13957         PR tree-optimization/68398
13958         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13959         tree-ssa-threadupdate.c.
13960         (determine_bb_domination_status): Prototype
13961         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13962         (determine_bb_domination_status): No longer static.
13963         (valid_jump_thread_path): Remove code to detect characteristics
13964         of the jump thread path not associated with correctness.
13965         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13966         Correct test for thread path length.  Count PHIs for real operands as
13967         statements that need to be copied.  Do not count ASSERT_EXPRs.
13968         Look at all the blocks in the thread path.  Compute and selectively
13969         filter thread paths based on threading through the latch, threading
13970         a multiway branch or crossing a multiway branch.
13971
13972 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13973
13974         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
13975         decl with __attribute__ ((unused)) annotation.
13976
13977 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
13978
13979         PR target/69421
13980         * tree-vect-stmts.c (vectorizable_condition): Check vectype
13981         of operands is compatible with a statement vectype.
13982
13983 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
13984
13985         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13986         improve wording for mixed storage order support.
13987
13988 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
13989
13990         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13991         (vcvt_u64_f64): Likewise.
13992         (vcvta_s64_f64): Likewise.
13993         (vcvta_u64_f64): Likewise.
13994         (vcvtm_s64_f64): Likewise.
13995         (vcvtm_u64_f64): Likewise.
13996         (vcvtn_s64_f64): Likewise.
13997         (vcvtn_u64_f64): Likewise.
13998         (vcvtp_s64_f64): Likewise.
13999         (vcvtp_u64_f64): Likewise.
14000
14001 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
14002
14003         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
14004         (arc_init): Check validity mll64 option.
14005         (arc_save_restore): Use double load/store instruction.
14006         (arc_expand_movmem): Likewise.
14007         (arc_split_move): Don't split if we have double load/store
14008         instructions. Returns a boolean.
14009         (arc_process_double_reg_moves): Change function to return boolean
14010         instead of a sequence of instructions.
14011         (arc_dwarf_register_span): New function.
14012         * config/arc/arc-protos.h (arc_split_move): Change prototype.
14013         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
14014         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
14015         (*movdf_insn): Likewise.
14016         * config/arc/arc.opt (mll64): New option.
14017         * config/arc/predicates.md (even_register_operand): New predicate.
14018         * doc/invoke.texi (ARC Options): Add mll64 documentation.
14019
14020 2016-01-25  Richard Biener  <rguenther@suse.de>
14021
14022         PR lto/69393
14023         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
14024         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
14025         DECL_NAMELESS.
14026         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
14027
14028 2016-01-25  Richard Biener  <rguenther@suse.de>
14029
14030         PR tree-optimization/69376
14031         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
14032         flag.
14033         (VN_INFO_ANTI_RANGE_P): New inline.
14034         (VN_INFO_RANGE_TYPE): Likewise.
14035         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
14036         SSA_NAME_ANTI_RANGE_P.
14037         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
14038         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14039         Properly query VN_INFO_RANGE_TYPE.
14040
14041 2016-01-25  Nick Clifton  <nickc@redhat.com>
14042
14043         PR target/66655
14044         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
14045
14046 2016-01-23  Tom de Vries  <tom@codesourcery.com>
14047
14048         PR tree-optimization/69426
14049         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
14050         removed clobber.
14051
14052 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
14053
14054         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
14055         "the the" with "the" in the comments.
14056         * ipa-devirt.c (build_type_inheritance_graph,
14057         update_type_inheritance_graph): Likewise.
14058         * tree.c (build_function_type_list_1): Likewise.
14059         * cfgloopmanip.c (scale_loop_profile): Likewise.
14060         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
14061         * gimple-ssa-split-paths.c
14062         (find_block_to_duplicate_for_splitting_paths): Likewise.
14063         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
14064         * expr.c (convert_move): Likewise.
14065         * var-tracking.c (vt_stack_adjustments): Likewise.
14066         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
14067         * tree-vrp.c (test_for_singularity): Likewise.
14068
14069         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
14070         directly instead of building a temporary tree.
14071
14072         PR bootstrap/69434
14073         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
14074         remove <algorithm> include.
14075
14076 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14077
14078         PR target/69432
14079         * config/i386/i386.c: Include dojump.h.
14080         (expand_small_movmem_or_setmem,
14081         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
14082         fixes.
14083         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
14084         if dynamic_check != -1.
14085
14086 2016-01-21  Jeff Law  <law@redhat.com>
14087
14088         PR middle-end/69347
14089         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
14090         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
14091         into dominated_by_p.
14092         (cprop_into_successor_phis): Avoid unnecessary tests.
14093
14094 2016-01-22  Richard Henderson  <rth@redhat.com>
14095
14096         PR target/69416
14097         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
14098         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
14099
14100 2016-01-22  Michael Matz  <matz@suse.de>
14101
14102         * system.h (string, algorithm): Include only conditionally.
14103         (new): Include always under C++.
14104         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
14105         * final.c (toplevel): Ditto.
14106         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
14107         * genconditions.c (write_header): Make gencondmd.c define
14108         INCLUDE_STRING.
14109         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
14110
14111         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
14112         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
14113
14114 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14115
14116         PR target/68674
14117         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
14118
14119 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14120
14121         PR target/69403
14122         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
14123         define_insn_and_split.  Ensure operands[1] and operands[0] do not
14124         get assigned the same register.
14125
14126 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
14127
14128         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
14129
14130 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14131
14132         * config/arm/arm-c.c (arm_pragma_target_parse):
14133         Remove warn_builtin_macro_redefined overwrite.
14134
14135 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14136
14137         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
14138         flag_non_call_exceptions compatibility.
14139
14140 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14141
14142         PR debug/66668
14143         * dwarf2out.c (add_child_die_after): New function.
14144         (dwarf_qual_info_t): New type.
14145         (dwarf_qual_info): New variable.
14146         (qualified_die_p): New function.
14147         (modified_type_die): For -fdebug-types-section, ensure
14148         canonical order of qualifiers.  Put qualified DIEs adjacent
14149         to the corresponding non-qualified type DIE and search there
14150         for existing qualified DIEs.
14151
14152 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14153
14154         * doc/extend.texi (scalar_storage_order type attribute): Document
14155         restriction on type punning and aliasing, and remove future tense.
14156
14157 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
14158
14159         PR target/69252
14160         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
14161         first stage.
14162
14163 2016-01-21  Jeff Law  <law@redhat.com>
14164
14165         PR middle-end/69347
14166         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
14167         useless call to record_temporary_equivalences.
14168         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
14169         allocate 10 slots in the bb_path vector and let it grow as needed.
14170         (fsm_find_control_statement_thread_paths): Similarly for the next_path
14171         vector.
14172
14173 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14174
14175         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
14176         Detangle.
14177         * configure: Regenerate.
14178
14179 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
14180
14181         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
14182         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
14183
14184 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
14185
14186         PR middle-end/66178
14187         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
14188         drop EXPAND_INITIALIZER.
14189         * rtl.h (contains_symbolic_reference_p): Declare.
14190         * rtlanal.c (contains_symbolic_reference_p): New function.
14191         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
14192         a subtraction into a NOT if symbolic constants are involved.
14193
14194 2016-01-21  Anton Blanchard  <anton@samba.org>
14195             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14196
14197         PR target/63354
14198         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
14199         #define.
14200         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
14201         function.
14202
14203 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14204
14205         * config/microblaze/microblaze.c
14206         (get_branch_target): New.
14207         (insert_wic_for_ilb_runout): New.
14208         (insert_wic): New.
14209         (microblaze_machine_dependent_reorg): New.
14210         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14211         * config/microblaze/microblaze.md
14212         (UNSPEC_IPREFETCH): Define.
14213         (iprefetch): New pattern
14214         * config/microblaze/microblaze.opt
14215         (mxl-prefetch): New flag.
14216
14217 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14218
14219         * config/microblaze/microblaze.h
14220         (FIXED_REGISTERS): Update in macro.
14221         (CALL_USED_REGISTERS): Update in macro.
14222
14223 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14224
14225         PR rtl-optimization/68920
14226         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14227         moves.
14228
14229 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14230
14231         PR rtl-optimization/68990
14232         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14233         pseudo instead of inheritance ones.
14234
14235 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14236             Nick Clifton  <nickc@redhat.com>
14237
14238         PR target/69129
14239         PR target/69012
14240         * config/mips/mips.c (mips_compute_frame_info): Initialise
14241         args_size and hard_frame_pointer_offset fields of the frame
14242         structure before calling mips_global_pointer.
14243
14244 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14245
14246         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14247         label reference.
14248         * configure: Regenerate.
14249
14250 2016-01-21  Richard Biener  <rguenther@suse.de>
14251
14252         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14253
14254 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14255
14256         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14257         to actually emit the .size directive.
14258
14259 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14260              Jakub Jelinek  <jakub@redhat.com>
14261
14262         PR target/69187
14263         PR target/65624
14264         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14265         args array size by one to avoid buffer overflow.
14266
14267 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14268
14269         * config/s390/s390.md (pool_section_start): Use switch_to_section
14270         to select proper read-only data section instead of hardcoding
14271         .rodata.
14272         (pool_section_end): Use switch_to_section to match the above.
14273
14274 2016-01-21  Richard Biener  <rguenther@suse.de>
14275
14276         PR tree-optimization/69378
14277         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14278         (set_ssa_val_to): Use it for dominance checks taking into
14279         account not executable edges.
14280
14281 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14282
14283         PR c++/69355
14284         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14285         for bitsize instead of GET_MODE_PRECISION (mode).
14286
14287 2016-01-20  Martin Sebor  <msebor@redhat.com>
14288
14289         PR c/52291
14290         * extend.texi (__sync Builtins): Clarify the semantics of
14291         __sync_fetch_and_OP built-ins on pointers.
14292         (__atomic Builtins): Same.
14293
14294 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14295             Sebastian Pop  <s.pop@samsung.com>
14296
14297         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14298         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14299         (is_valid_rename): Same.
14300         (translate_isl_ast_to_gimple::get_rename): Same.
14301         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14302         (translate_isl_ast_to_gimple::rename_uses): Same.
14303         (get_new_name): Check for close_phi nodes.
14304         (copy_loop_phi_args): Use phi_node_kind.
14305         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14306         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14307
14308 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14309             Sebastian Pop  <s.pop@samsung.com>
14310
14311         Revert commit r229783.
14312         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14313         Remove use of parameter_rename_map.
14314         (copy_def): Remove.
14315         (copy_internal_parameters): Remove.
14316         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14317         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14318         (free_sese_info): Do not free parameter_rename_map.
14319         (set_rename): Do not use parameter_rename_map.
14320         (rename_uses): Update call to set_rename.
14321         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14322         * sese.h (parameter_rename_map_t): Remove.
14323         (struct sese_info_t): Remove field parameter_rename_map.
14324
14325 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14326             Sebastian Pop  <s.pop@samsung.com>
14327
14328         * graphite-isl-ast-to-gimple.c: Fix comment.
14329         * graphite-scop-detection.c (defined_in_loop_p): New.
14330         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14331         names defined in loop.
14332
14333 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14334             Sebastian Pop  <s.pop@samsung.com>
14335
14336         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14337         Discard unstructured if-then-else regions.
14338
14339 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14340             Sebastian Pop  <s.pop@samsung.com>
14341
14342         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14343         (cleanup_loop_iter_dom): Remove.
14344         (build_loop_iteration_domains): Remove.
14345         (build_scop_context): Remove.
14346         (build_scop_iteration_domain): Remove.
14347         (add_loop_constraints): New.
14348         (build_iteration_domains): New.
14349         (build_poly_scop): Call build_iteration_domains.
14350
14351 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14352             Sebastian Pop  <s.pop@samsung.com>
14353
14354         * graphite-scop-detection.c
14355         (scop_detection::harmful_loop_in_region): Free dom and loops.
14356         (scop_detection::loop_body_is_valid_scop): Free bbs.
14357
14358 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14359             Sebastian Pop  <s.pop@samsung.com>
14360
14361         * graphite-scop-detection.c (record_loop_in_sese): New.
14362         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14363         (build_scops): Remove call to build_sese_loop_nests.
14364         * sese.c (sese_record_loop): Remove.
14365         (build_sese_loop_nests): Remove.
14366         (new_sese_info): Remove region->loops.
14367         (free_sese_info): Same.
14368         * sese.h (sese_contains_loop): Same.
14369         (build_sese_loop_nests): Remove.
14370         (sese_contains_loop): Remove.
14371
14372 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14373             Sebastian Pop  <s.pop@samsung.com>
14374
14375         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14376         loop_is_valid_in_scop.
14377         (scop_detection::harmful_stmt_in_region): Renamed
14378         harmful_loop_in_region.
14379         Call loop_is_valid_in_scop.
14380
14381 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14382             Sebastian Pop  <s.pop@samsung.com>
14383
14384         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14385         isl_ast_node_mark.
14386
14387 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14388             Sebastian Pop  <s.pop@samsung.com>
14389
14390         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14391         * graphite.h (struct poly_bb): Remove field is_reduction.
14392         (PBB_IS_REDUCTION): Remove.
14393
14394 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14395             Sebastian Pop  <s.pop@samsung.com>
14396
14397         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14398         (add_pdr_constraints): Same.
14399         (scop_get_reads): Same.
14400         (scop_get_must_writes): Same.
14401         (scop_get_may_writes): Same.
14402         (scop_get_original_schedule): Same.
14403         (extend_schedule): Same.
14404         (apply_schedule_on_deps): Same.
14405         (carries_deps): Same.
14406         (compute_deps): Same.
14407         (scop_get_dependences): Same.
14408         * graphite-isl-ast-to-gimple.c
14409         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14410         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14411         (get_schedule_for_band_list): Same.
14412         (get_schedule_map): Same.
14413         (apply_schedule_map_to_scop): Same.
14414         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14415         (build_loop_iteration_domains): Same.
14416         (add_condition_to_pbb): Same.
14417         (add_param_constraints): Same.
14418         (pdr_add_memory_accesses): Same.
14419         (pdr_add_data_dimensions): Same.
14420
14421 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14422
14423         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14424         requirements.
14425
14426 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14427
14428         * common.opt (feliminate-dwarf2-dups): Replace references to
14429         "DWARF 2" with just "DWARF".
14430         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14431         * doc/extend.texi: Likewise.
14432         * doc/cpp.texi: Likewise.
14433         * doc/invoke.texi: Likewise.
14434         (Option Summary): Add -gdwarf to list of Debugging Options.
14435         (Debugging Options): Document -gdwarf.
14436         * doc/contrib.texi: Spell "DWARF" like that.
14437
14438 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14439
14440         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14441         warning.  Fix up formatting.
14442
14443         PR middle-end/67653
14444         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14445         attempt to mark memory input operand addressable and
14446         call prepare_gimple_addressable in that case.  Don't adjust
14447         input_location for diagnostics, use error_at instead.
14448
14449 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14450
14451         * config/rs6000/ppc-auxv.h: New file.
14452         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14453         (cpu_is): Likewise.
14454         (cpu_supports): Likewise.
14455         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14456         (cpu_is_info): New variable.
14457         (cpu_supports_info): Likewise.
14458         (tcb_verification_symbol): Likewise.
14459         (cpu_builtin_p): Likewise.
14460         (cpu_expand_builtin): New function.
14461         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14462         (rs6000_init_builtins): Likewise.
14463         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14464         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14465         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14466         * configure: Regenerate.
14467         * config.in: Likewise.
14468         * doc/extend.texi (PowerPC Built-in Functions): Document
14469         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14470
14471 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14472
14473         PR target/68609
14474         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14475         domain check.
14476         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14477         for V4SFmode.
14478
14479 2016-01-20  Richard Henderson  <rth@redhat.com>
14480
14481         PR bootstrap/69343
14482         PR bootstrap/69339
14483         PR tree-opt/68964
14484         Revert:
14485         * tree.c (tm_define_builtin): New.
14486         (find_tm_vector_type): New.
14487         (build_tm_vector_builtins): New.
14488         (build_common_builtin_nodes): Call it.
14489
14490 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14491
14492         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14493         (arm_fp_ok): Likewise.
14494         (arm_fp): Likewise.
14495         (arm_crypto): Likewise.
14496
14497 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14498             Richard Biener  <rguenther@suse.de>
14499
14500         PR tree-optimization/69328
14501         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14502         vectors have same number of elements.
14503         (vectorizable_condition): Fix masked version recognition.
14504
14505 2016-01-20  Richard Biener  <rguenther@suse.de>
14506
14507         PR tree-optimization/69345
14508         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14509         (VN_INFO_PTR_INFO): Likewise.
14510         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14511         info when it is equal between non-dominating SSA names.
14512         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14513         Make sure to look at original SSA infos.
14514
14515 2016-01-20  Jeff Law  <law@redhat.com>
14516
14517         PR target/25114
14518         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14519         extracted from ...
14520         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14521         (pc_or_label_operand): New predicate.
14522         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14523         tests for small integers that are 2^n - 1.
14524
14525 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14526
14527         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14528
14529 2016-01-19  Jeff Law  <law@redhat.com>
14530
14531         PR middle-end/69347
14532         * tree-ssa-threadbackwards.c
14533         (fsm_find_control_statement_thread_paths): Do not try to lookup
14534         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14535
14536 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14537
14538         * doc/lto.texi: Remove text that says only Gold has linker plugin
14539         support.
14540
14541 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14542
14543         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14544         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14545         the DIE accordingly.
14546         (modified_type_die): Add REVERSE parameter and pass it recursively,
14547         as well as to base_type_die.  Adjust presence check accordingly.
14548         (base_type_for_mode): Adjust call to modified_type_die.
14549         (add_type_attribute): Add REVERSE parameter and pass it to
14550         modified_type_die.
14551         (generic_parameter_die): Adjust call to add_type_attribute.
14552         (add_scalar_info): Likewise.
14553         (add_subscript_info): Likewise.
14554         (gen_array_type_die): Likewise.
14555         (gen_descr_array_type_die): Likewise.
14556         (gen_entry_point_die): Likewise.
14557         (gen_enumeration_type_die): Likewise.
14558         (gen_formal_parameter_die): Likewise.
14559         (gen_subprogram_die): Likewise.
14560         (gen_variable_die ): Likewise.
14561         (gen_const_die): Likewise.
14562         (gen_field_die): Likewise.
14563         (gen_pointer_type_die): Likewise.
14564         (gen_reference_type_die): Likewise.
14565         (gen_ptr_to_mbr_type_die): Likewise.
14566         (gen_inheritance_die): Likewise.
14567         (gen_subroutine_type_die): Likewise.
14568         (gen_typedef_die): Likewise.
14569         (force_type_die): Adjust call to modified_type_die.
14570
14571 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14572
14573         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14574         flow throughout the file.  Fix broken link to Objective-C 2.0
14575         documentation.
14576         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14577         errors.
14578
14579 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14580
14581         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14582
14583 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14584
14585         PR ipa/66223
14586         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14587         (maybe_record_node): Record cxa_pure_virtual as the only possible
14588         target if there are not ohter candidates.
14589         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14590
14591 2016-01-19  Richard Biener  <rguenther@suse.de>
14592
14593         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14594         (get_memory_order): Likewise.
14595
14596 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14597
14598         * tree-vect-stmts.c (vectorizable_store): Check
14599         rhs vectype.
14600
14601 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14602
14603         PR jit/68446
14604         * gcc.c (driver::decode_argv): Add call to
14605         init_opts_obstack before init_options_struct.
14606         * opts.c (init_opts_obstack): Remove idempotency.
14607         (init_options_struct): Replace call to init_opts_obstack
14608         with a gcc_assert to verify that it has already been called.
14609         * toplev.c (toplev::main): Add call to init_opts_obstack before
14610         calls to init_options_struct.
14611         (toplev::finalize): Move cleanup of opts_obstack next to
14612         cleanup of save_decoded_options, clearing the latter, and
14613         save_decoded_options_count.
14614
14615 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14616
14617         PR target/69135
14618         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14619         attribute to unconditional.  Remove %? from output template.
14620
14621 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14622             Jiong Wang  <jiong.wang@arm.com>
14623
14624         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14625         generated from different expand order.
14626
14627 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14628
14629         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14630         Add support for CCMP costing.
14631
14632 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14633
14634         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14635         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14636         (fccmpe<mode>): Likewise.
14637         (fcmp): Rename to fcmp and globalize pattern.
14638         (fcmpe): Likewise.
14639         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14640         (aarch64_gen_ccmp_next): Add FP support.
14641
14642 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14643
14644         * target.def (gen_ccmp_first): Update documentation.
14645         (gen_ccmp_next): Likewise.
14646         * doc/tm.texi (gen_ccmp_first): Update documentation.
14647         (gen_ccmp_next): Likewise.
14648         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14649         expand_ccmp_expr_1.  Improve comments.
14650         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14651         (ccmp_ior<mode>): Remove pattern.
14652         (cmp<mode>): Remove expand.
14653         (cmp): Globalize pattern.
14654         (cstorecc4): Use cc_register.
14655         (mov<mode>cc): Remove ccmp_cc_register check.
14656         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14657         Simplify after removal of CC_DNE/* modes.
14658         (aarch64_ccmp_mode_to_code): Remove.
14659         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
14660         In 'k' case use integer as condition.
14661         (aarch64_nzcv_codes): Remove inverted cases.
14662         (aarch64_code_to_ccmode): Remove.
14663         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
14664         comparison with CC register to be used in folowing CCMP/branch/CSEL.
14665         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14666         pattern.  Return the comparison with CC register.  Invert conditions
14667         when bitcode is OR.
14668         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14669         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14670
14671 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14672
14673         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14674         instrumented_version.
14675
14676 2016-01-19  Richard Biener  <rguenther@suse.de>
14677
14678         PR tree-optimization/69336
14679         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14680         handled components with get_ref_base_and_extent.
14681         (equal_mem_array_ref_p): Adjust.
14682
14683 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14684
14685         PR debug/65779
14686         * shrink-wrap.c: Include valtrack.h.
14687         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
14688         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14689         in between insn and where it will be moved to.  Call
14690         dead_debug_insert_temp.
14691         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
14692         first and dead_debug_local_finish at the end.
14693         For uses and defs bitmap, handle all regs in between REGNO and
14694         END_REGNO, not just the first one.
14695
14696 2016-01-19  Richard Biener  <rguenther@suse.de>
14697
14698         PR tree-optimization/69352
14699         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14700         (equal_mem_array_ref_p): Constrain size and max size properly.
14701         Compare the reverse flag.
14702
14703 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
14704
14705         * ira.c (ira): Update regstat data if we deleted insns.
14706
14707 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14708
14709         PR rtl-optimization/68955
14710         PR rtl-optimization/64557
14711         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14712         here.  Fix up formatting.
14713         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14714
14715 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14716
14717         PR lto/69133
14718         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14719         assume that the node has body.
14720         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14721         check.
14722
14723 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14724
14725         * lto-streamer-out.c (lto_output): Do not stream instrumentation
14726         thunks.
14727
14728 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14729
14730         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14731         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14732
14733 2016-01-19  Martin Jambor  <mjambor@suse.cz>
14734             Martin Liska  <mliska@suse.cz>
14735             Michael Matz  <matz@suse.de>
14736
14737         * Makefile.in (OBJS): Add new source files.
14738         (GTFILES): Add hsa.c.
14739         * common.opt (disable_hsa): New variable.
14740         (-Whsa): New warning.
14741         * config.in (ENABLE_HSA): New.
14742         * configure.ac: Treat hsa differently from other accelerators.
14743         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14744         $enable_offloading.
14745         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14746         * doc/install.texi (Configuration): Document --with-hsa-runtime,
14747         --with-hsa-runtime-include, --with-hsa-runtime-lib and
14748         --with-hsa-kmt-lib.
14749         * doc/invoke.texi (-Whsa): Document.
14750         (hsa-gen-debug-stores): Likewise.
14751         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14752         to invoke offload compiler for hsa acclerator.
14753         * opts.c (common_handle_option): Determine whether HSA offloading
14754         should be performed.
14755         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14756         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14757         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14758         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14759         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14760         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14761         GF_OMP_FOR_KIND_GRID_LOOP.
14762         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14763         (pp_gimple_stmt_1): Likewise.
14764         * gimple-walk.c (walk_gimple_stmt): Likewise.
14765         * gimple.c (gimple_build_omp_grid_body): New function.
14766         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14767         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14768         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14769         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14770         GF_OMP_TEAMS_GRID_PHONY.
14771         (gimple_statement_omp_single_layout): Updated comments.
14772         (gimple_build_omp_grid_body): New function.
14773         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14774         (gimple_omp_for_grid_phony): New function.
14775         (gimple_omp_for_set_grid_phony): Likewise.
14776         (gimple_omp_parallel_grid_phony): Likewise.
14777         (gimple_omp_parallel_set_grid_phony): Likewise.
14778         (gimple_omp_teams_grid_phony): Likewise.
14779         (gimple_omp_teams_set_grid_phony): Likewise.
14780         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14781         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14782         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14783         (BUILT_IN_GOMP_TARGET): Updated type.
14784         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14785         (adjust_for_condition): New function.
14786         (get_omp_for_step_from_incr): Likewise.
14787         (extract_omp_for_data): Moved parts to adjust_for_condition and
14788         get_omp_for_step_from_incr.
14789         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14790         (fixup_child_record_type): Bail out if receiver_decl is NULL.
14791         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14792         (scan_omp_parallel): Do not create child functions for phony
14793         constructs.
14794         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14795         (scan_omp_1_op): Checking assert we are not remapping to
14796         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
14797         (parallel_needs_hsa_kernel_p): New function.
14798         (expand_parallel_call): Register apprpriate parallel child
14799         functions as HSA kernels.
14800         (grid_launch_attributes_trees): New type.
14801         (grid_attr_trees): New variable.
14802         (grid_create_kernel_launch_attr_types): New function.
14803         (grid_insert_store_range_dim): Likewise.
14804         (grid_get_kernel_launch_attributes): Likewise.
14805         (get_target_argument_identifier_1): Likewise.
14806         (get_target_argument_identifier): Likewise.
14807         (get_target_argument_value): Likewise.
14808         (push_target_argument_according_to_value): Likewise.
14809         (get_target_arguments): Likewise.
14810         (expand_omp_target): Call get_target_arguments instead of looking
14811         up for teams and thread limit.
14812         (grid_expand_omp_for_loop): New function.
14813         (grid_arg_decl_map): New type.
14814         (grid_remap_kernel_arg_accesses): New function.
14815         (grid_expand_target_kernel_body): New function.
14816         (expand_omp): Call it.
14817         (lower_omp_for): Do not emit phony constructs.
14818         (lower_omp_taskreg): Do not emit phony constructs but create for them
14819         a temporary variable receiver_decl.
14820         (lower_omp_taskreg): Do not emit phony constructs.
14821         (lower_omp_teams): Likewise.
14822         (lower_omp_grid_body): New function.
14823         (lower_omp_1): Call it.
14824         (grid_reg_assignment_to_local_var_p): New function.
14825         (grid_seq_only_contains_local_assignments): Likewise.
14826         (grid_find_single_omp_among_assignments_1): Likewise.
14827         (grid_find_single_omp_among_assignments): Likewise.
14828         (grid_find_ungridifiable_statement): Likewise.
14829         (grid_target_follows_gridifiable_pattern): Likewise.
14830         (grid_remap_prebody_decls): Likewise.
14831         (grid_copy_leading_local_assignments): Likewise.
14832         (grid_process_kernel_body_copy): Likewise.
14833         (grid_attempt_target_gridification): Likewise.
14834         (grid_gridify_all_targets_stmt): Likewise.
14835         (grid_gridify_all_targets): Likewise.
14836         (execute_lower_omp): Call grid_gridify_all_targets.
14837         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14838         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14839         (tree_omp_clause): Added union field dimension.
14840         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14841         * tree.c (omp_clause_num_ops): Added number of arguments of
14842         OMP_CLAUSE__GRIDDIM_.
14843         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14844         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14845         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14846         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14847         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14848         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14849         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14850         * tree-pass.h (make_pass_gen_hsail): Declare.
14851         (make_pass_ipa_hsa): Likewise.
14852         * ipa-hsa.c: New file.
14853         * lto-section-in.c (lto_section_name): Add hsa section name.
14854         * lto-streamer.h (lto_section_type): Add hsa section.
14855         * timevar.def (TV_IPA_HSA): New.
14856         * hsa-brig-format.h: New file.
14857         * hsa-brig.c: New file.
14858         * hsa-dump.c: Likewise.
14859         * hsa-gen.c: Likewise.
14860         * hsa.c: Likewise.
14861         * hsa.h: Likewise.
14862         * toplev.c (compile_file): Call hsa_output_brig.
14863         * hsa-regalloc.c: New file.
14864
14865 2016-01-18  Jeff Law  <law@redhat.com>
14866
14867         PR tree-optimization/69320
14868         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14869         ranged object, do nothing if the RHS constant is not [0..1].
14870         (optimize_stmt): Comparing a boolean ranged object against a
14871         constant outside [0..1] results in a compile-time constant.
14872
14873         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14874         test.
14875
14876 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
14877
14878         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14879         (Option Summary): Update to reflect new section and moved options.
14880         (C++ Dialect Options): Move -fstats to new section.
14881         (Debugging Options): Move all dump, statistics, and other GCC
14882         developer options to new section.  Rewrite section introduction
14883         and re-order remaining options to put the more basic ones first.
14884         (Optimization Options): Move -fira-verbose and -flto-report* to
14885         new section.
14886         (Developer Options): New section incorporating moved options.
14887         * doc/cppopts.texi (-dM): Update cross-reference.
14888
14889 2016-01-18  Richard Henderson  <rth@redhat.com>
14890
14891         PR target/69176
14892         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14893         operands to pseudo only if CSE is expected.  Split long immediate
14894         operands only after reload, and for the stack pointer.
14895         (*add<GPI>3_pluslong): Remove.
14896         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14897         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
14898         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14899         (*add<GPI>3 peepholes): New.
14900         (*add<GPI>3 splitters): New.
14901         * config/aarch64/constraints.md (Upl): New.
14902         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14903
14904 2016-01-18  Richard Biener  <rguenther@suse.de>
14905
14906         PR tree-optimization/69297
14907         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14908         stmt at most once.
14909         (vect_bb_vectorization_profitable_p): Clear visited flag again.
14910
14911 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
14912
14913         PR middle-end/68542
14914         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14915         of mixind vector and scalar types.
14916         (fold_relational_const): Add handling of vector
14917         comparison with boolean result.
14918         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14919         comparison of vector operands with boolean result for EQ/NE only.
14920         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14921         (verify_gimple_cond): Likewise.
14922         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14923         valid type of VAL.
14924
14925 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
14926
14927         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14928         !TARGET_OCTEON.
14929
14930 2016-01-18  Richard Biener  <rguenther@suse.de>
14931
14932         PR middle-end/69308
14933         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14934
14935 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14936
14937         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14938
14939 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14940
14941         * omp-low.c (set_oacc_fn_attrib): Make extern.
14942         * omp-low.h (set_oacc_fn_attrib): Declare.
14943         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14944         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14945         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14946         Add and handle function parameter oacc_kernels_p.
14947         (find_reduc_addr, get_omp_data_i_param): New function.
14948         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14949         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14950         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14951         Calculate dominance info.  Skip loops that are not in a kernels region
14952         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
14953         (pass_parallelize_loops::execute): Call parallelize_loops with
14954         oacc_kernels_p argument.
14955         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14956         New member function.
14957         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14958         * passes.def: Add argument to pass_parallelize_loops instantation.
14959
14960 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14961
14962         * tree-parloops.c (pass_parallelize_loops::execute): Allow
14963         pass_parallelize_loops to be run outside the loop pipeline.
14964
14965 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14966
14967         * tree-scalar-evolution.c (follow_copies_to_constant): New.
14968         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14969
14970 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14971
14972         PR target/63679
14973         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14974         using get_ref_base_and_extent.
14975         (equal_mem_array_ref_p): New.
14976         (hashable_expr_equal_p): Add call to previous.
14977
14978 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14979
14980         PR target/63679
14981         * tree-sra.c (disqualified_constants, constant_decl_p): New.
14982         (sra_initialize): Allocate disqualified_constants.
14983         (sra_deinitialize): Free disqualified_constants.
14984         (disqualify_candidate): Update disqualified_constants when appropriate.
14985         (create_access): Scan for constant-pool entries as we go along.
14986         (scalarizable_type_p): Add check against type_contains_placeholder_p.
14987         (maybe_add_sra_candidate): Allow constant-pool entries.
14988         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14989         (initialize_constant_pool_replacements): New.
14990         (sra_modify_assign): Avoid mangling assignments created by previous,
14991         and don't generate writes into constant pool.
14992         (sra_modify_function_body): Call initialize_constant_pool_replacements.
14993
14994 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
14995
14996         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14997         andnot instruction.
14998         (scalar_chain::convert_op): Likewise.
14999         * config/i386/i386.md (*andndi3_doubleword): New.
15000
15001 2016-01-18  Richard Biener  <rguenther@suse.de>
15002
15003         PR tree-optimization/69170
15004         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
15005         building a vector from scalar results of a pattern stmt.
15006
15007 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
15008
15009         * haifa-sched.c (autopref_multipass_init): Work around
15010         -Wmaybe-uninitialized warning.
15011
15012 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15013
15014         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
15015         against the constant 0.
15016
15017 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15018
15019         PR tree-optimization/68799
15020         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
15021         look up phi candidates in the statement-candidate map.
15022         (phi_add_costs): Likewise.
15023         (record_phi_increments): Likewise.
15024         (phi_incr_cost): Likewise.
15025         (ncd_with_phi): Likewise.
15026         (all_phi_incrs_profitable): Likewise.
15027
15028 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
15029
15030         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
15031         -Wmaybe-uninitialized warning.
15032
15033 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
15034
15035         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15036         (Option Summary): Update to reflect new section and moved options.
15037         (C++ Dialect Options): Move -fvtable-verify and related options.
15038         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
15039         and profiling-related options.
15040         (Optimization Options): Move profile generation options and
15041         -fstack-protector and related options.
15042         (Instrumentation Options): New section incorporating moved options.
15043         (Code Generation Options): Move -finstrument-functions and
15044         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
15045
15046 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15047
15048         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
15049
15050 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15051
15052         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
15053
15054 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
15055
15056         * hash-table.h (hash_table::empty): Turn into an inline wrapper
15057         that checks whether the table is already empty.  Rename the
15058         original implementation to...
15059         (hash_table::empty_slot): ...this new private function.
15060
15061 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
15062
15063         PR diagnostic/68899
15064         * diagnostic-show-locus.c (layout::print_source_line): Move x
15065         offset of line until after call to
15066         get_line_width_without_trailing_whitespace.
15067
15068 2016-01-15  Jeff Law  <law@redhat.com>
15069
15070         PR tree-optimization/69270
15071         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
15072         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
15073         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
15074         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
15075         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
15076         ssa_name_has_boolean_range and constant_boolean_node.
15077
15078 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
15079
15080         PR rtl-optimization/69030
15081         * lra-spills.c (remove_pseudos): Check nrefs and make the function
15082         returning bool.
15083         (spill_pseudos): Delete debug insn for dead pseudo.
15084         (lra_spill): Initiate spill_hard_reg and slots memory separately.
15085
15086 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
15087
15088         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
15089         New.
15090         (TYPES_UNOPUS): Likewise.
15091         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
15092         builtin type, from UNOP to UNOPUS.
15093         (lbtruncuv4sf): Likewise.
15094         (lbtruncuv2df): Likewise.
15095         (lrounduv2sf): Likewise.
15096         (lrounduv4sf): Likewise.
15097         (lrounduv2df): Likewise.
15098         (lroundusf): Likewise.
15099         (lroundusf): Likewise.
15100         (lceiluv2sf): Likewise.
15101         (lceiluv4sf): Likewise.
15102         (lceiluv2df): Likewise.
15103         (lceilusf): Likewise.
15104         (lceiludf): Likewise.
15105         (lflooruv2sf): Likewise.
15106         (lflooruv4sf): Likewise.
15107         (lflooruv2df): Likewise.
15108         (lfloorusf): Likewise.
15109         (lfloorudf): Likewise.
15110         (lfrintnuv2sf): Likewise.
15111         (lfrintnuv4sf): Likewise.
15112         (lfrintnuv2df): Likewise.
15113         (lfrintnusf): Likewise.
15114         (lfrintnudf): Likewise.
15115         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
15116         conversion.
15117         (vcvtq_u32_f32): Likewise.
15118         (vcvtq_u64_f64): Likewise.
15119         (vcvta_u32_f32): Likewise.
15120         (vcvtaq_u32_f32): Likewise.
15121         (vcvtaq_u64_f64): Likewise.
15122         (vcvtm_u32_f32): Likewise.
15123         (vcvtmq_u32_f32): Likewise.
15124         (vcvtmq_u64_f64): Likewise.
15125         (vcvtn_u32_f32): Likwise.
15126         (vcvtnq_u32_f32): Likewise.
15127         (vcvtnq_u64_f64): Likewise.
15128         (vcvtp_u32_f32): Likewise.
15129         (vcvtpq_u32_f32): Likewise.
15130         (vcvtpq_u64_f64): Likewise.
15131         (vcvtmd_u64_f64): Likewise.
15132         (vcvtms_u32_f32): Likewise.
15133         (vcvtad_u64_f64): Likewise.
15134         (vcvtas_u32_f32): Likewise.
15135         (vcvtnd_u64_f64): Likewise.
15136         (vcvtns_u32_f32): Likewise.
15137         (vcvtpd_u64_f64): Likewise.
15138         (vcvtps_u32_f32): Likewise.
15139
15140 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15141
15142         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
15143         CSEL of zero_extended registers.
15144
15145 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15146
15147         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
15148         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
15149
15150 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15151
15152         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
15153         false when argument string is not found in the attributes table
15154         at all.
15155
15156 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
15157
15158         PR target/68609
15159         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
15160         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
15161         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
15162         precision estimate.
15163
15164 2016-01-15  Richard Biener  <rguenther@suse.de>
15165
15166         PR tree-optimization/66856
15167         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
15168         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
15169         (vect_create_new_slp_node): Increment stmt reference count.
15170         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
15171         an SLP tree before swapping operands.
15172         (vect_build_slp_tree): Likewise.
15173         (destroy_bb_vec_info): Free stmt info after SLP instances.
15174         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
15175         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
15176         (STMT_VINFO_NUM_SLP_USES): New macro.
15177
15178 2016-01-15  Richard Biener  <rguenther@suse.de>
15179
15180         PR debug/69137
15181         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
15182         (add_linkage_name): ... here.
15183         (gen_typedef_die): Use add_linkage_name_raw instead of
15184         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
15185         if necessary.
15186
15187 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
15188
15189         * gimplify.c (oacc_default_clause): Decode reference and pointer
15190         types for both kernels and parallel regions.
15191
15192 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
15193
15194         PR middle-end/69246
15195         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
15196
15197 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15198
15199         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
15200         (convert_scalars_to_vector): Likewise.
15201
15202 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
15203
15204         * doc/extend.texi (Type Traits): Fix grammar.
15205
15206 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15207
15208         * tree-inline.c (remap_decl): Use existing dclarations if
15209         remapping a type and prevent_decl_creation_for_types.
15210         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15211         decls first.  Do real remapping with
15212         prevent_decl_creation_for_types set.
15213         * tree-inline.h (copy_body_data): New field
15214         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15215         padding.
15216
15217 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15218
15219         * config/s390/s390.opt (mmvcle): More verbose help text.
15220
15221 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15222
15223         * config/s390/s390.opt: Add period to -mzvector option text.
15224
15225 2016-01-15  Richard Biener  <rguenther@suse.de>
15226
15227         PR tree-optimization/68961
15228         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15229         of invariants in stores again.
15230
15231 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15232
15233         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15234
15235 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15236
15237         * config/i386/i386.c (ix86_expand_branch): Don't split
15238         DI mode xor instruction to SI mode.
15239
15240 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15241
15242         PR ipa/68148
15243         * ipa-icf.c (sem_function::merge): Virtual functions may become
15244         reachable even if they address is not taken and there are no
15245         idrect calls.
15246
15247 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15248
15249         * lto-streamer-out.c (subtract_estimated_size): New function.
15250         (get_symbol_initial_value): Use it.
15251
15252 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15253
15254         PR target/65837
15255         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15256         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15257         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15258         use add_builtin_function_ext_scope instead of add_builtin_function.
15259         (neon_set_p, neon_crypto_set_p): Remove.
15260         (arm_init_builtins): Always call arm_init_neon_builtins and
15261         arm_init_crypto_builtins.
15262         (arm_expand_builtin): Check that builtins are allowed for the arch.
15263         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15264         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15265         arm_init_neon_builtins call.
15266
15267 2016-01-15  Richard Biener  <rguenther@suse.de>
15268
15269         PR tree-optimization/69117
15270         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15271         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15272         of the leader conservatively.
15273         (free_scc_vn): Restore original SSA name infos.
15274
15275 2016-01-14  Jeff Law  <law@redhat.com>
15276
15277         PR tree-optimization/69270
15278         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15279         single bit of precision, verify it's also unsigned.
15280         (record_edge_info): Use constant_boolean_node rather than fold_convert
15281         to convert boolean_true/boolean_false to the right type.
15282
15283 2016-01-14  Richard Henderson  <rth@redhat.com>
15284
15285         PR rtl-opt/69014
15286         * loop-doloop.c (record_reg_sets): New.
15287         (doloop_optimize): Reject the transform if the sequence
15288         clobbers registers live at the end of the loop block.
15289         (doloop_optimize_loops): Enable df_live if needed.
15290
15291 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15292
15293         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15294         * config/rs6000/rs6000.c: Likewise.
15295         * config/rs6000/rs6000.h: Likewise.
15296         * config/rs6000/rs6000.md: Likewise.
15297         * doc/extend.texi: Likewsie.
15298
15299 2016-01-14  Jeff Law  <law@redhat.com>
15300
15301         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15302         typo.
15303
15304 2016-01-14  Richard Henderson  <rth@redhat.com>
15305
15306         PR c/69272
15307         PR tree-opt/68964
15308         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15309         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15310         instead of builtin_decl_declared_p to test for declaration.
15311
15312 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15313
15314         * doc/loop.texi (Loop Analysis and Representation): Document
15315         loop_depth function.
15316
15317 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15318
15319         PR tree-optimization/68773
15320         * omp-low.c (expand_omp_target): Don't set force_output.
15321         * varpool.c (varpool_node::get_create): Same.
15322         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15323         offload_funcs with force_output.
15324
15325 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15326
15327         PR debug/69244
15328         * lra-eliminations.c (move_plus_up): Don't change anything if either
15329         the outer or inner subreg mode is not MODE_INT.
15330         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15331         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15332
15333 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15334
15335         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15336         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15337         reduc_uplus_@var{m}): Remove.
15338         * expr.c (expand_expr_real_2): Remove expansion path for
15339         reduc_[us](min|max|plus) optabs.
15340         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15341         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15342         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15343         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15344         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15345         reduc_[us](min|max|plus) optabs.
15346
15347 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15348
15349         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15350         (reduc_plus_scal_v2sf): New.
15351         (reduc_smax_v2sf): Rename to...
15352         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15353         (reduc_smin_v2sf): Rename to...
15354         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15355
15356 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15357
15358         * alias.c (compare_base_symbol_refs): New function.
15359         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15360         it.
15361
15362 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15363
15364         PR middle-end/68146
15365         PR tree-optimization/69155
15366         * tree-complex.c: Include cfganal.h.
15367         (phis_to_revisit): New variable.
15368         (extract_component): Add phiarg_p argument.  Assert that returned
15369         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15370         (update_phi_components): Partly rewrite to use loop over real/imag
15371         components instead of code duplication.  If extract_component returns
15372         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15373         create_tmp_reg into the PHI node instead, and mention the phi triplet
15374         in phis_to_revisit.
15375         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15376         in phis_to_revisit at the end.
15377
15378 2016-01-14  Richard Biener  <rguenther@suse.de>
15379
15380         PR tree-optimization/68060
15381         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15382         outer loop reduction is only used in the inner loop before
15383         detecting a double reduction.
15384
15385 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15386
15387         PR target/68269
15388         * combine.c (expand_field_assignment): Punt if compute_mode is
15389         unsupported scalar mode.
15390
15391 2016-01-14  Richard Biener  <rguenther@suse.de>
15392
15393         PR tree-optimization/66856
15394         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15395         SLP node only if it built successfully.
15396         (vect_analyze_slp_instance): Adjust.
15397
15398 2016-01-14  Jeff Law  <law@redhat.com>
15399
15400         PR tree-optimization/69270
15401         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15402         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15403         to the type of op0.
15404
15405 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15406
15407         PR ipa/66487
15408         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15409         use block_ultimate_origin
15410         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15411
15412 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15413
15414         * doc/invoke.texi (Submodel Options): Rename section to
15415         "Machine-Dependent Options" to better reflect its content.
15416         Rewrite introductory text to remove archaic CPU names.
15417         Update references.
15418
15419 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15420
15421         * doc/invoke.texi (Code Gen Options): Move section up in file,
15422         before target-specific options.  Update menu and option summary
15423         to reflect the new section ordering.
15424
15425 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15426
15427         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15428         (C++ Dialect Options): Add cross-reference to -std option.
15429         * doc/standards.texi (C++ Language): Document C++14 support.
15430
15431 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15432
15433         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15434         for pack/unpack functions for __ibm128.
15435         (PACK_IF): Likewise.
15436         (UNPACK_IF): Likewise.
15437
15438         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15439         support for __ibm128 pack/unpack functions.
15440         (rs6000_invalid_builtin): Likewise.
15441         (rs6000_init_builtins): Likewise.
15442         (rs6000_opt_masks): Likewise.
15443
15444         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15445         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15446         functions
15447         (RS6000_BTM_COMMON): Likewise.
15448
15449         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15450         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15451         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15452         128-bit floating point.  Add support for the double values to be
15453         in Altivec registers for TF/IF packing and unpacking, but restrict
15454         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15455         register support for packing.  Allow pack inputs to be memory
15456         locations.  Don't build generator functions for unpack<mode>_dm
15457         and unpack<mode>_nodm.
15458         (unpack<mode>_dm): Likewise.
15459         (unpack<mode>_nodm): Likewise.
15460         (pack<mode>): Likewise.
15461
15462         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15463         built-in functions to pack/unpack explicit __ibm128 values.
15464         (__builtin_unpack_ibm128): Likewise.
15465
15466         * doc/extend.texi (PowerPC Built-in Functions): Document
15467         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15468
15469 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15470
15471         PR c/66208
15472         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15473         Add new arg loc and pass it down as context.
15474         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15475         to the location to use for the warning.
15476         (check_function_arguments): New arg loc.  All callers changed.  Pass
15477         it to check_function_nonnull.
15478         * c-common.h (check_function_arguments): Adjust declaration.
15479
15480 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15481
15482         PR tree-optimization/69156
15483         * gimple.c (validate_type): Removed.
15484         (gimple_builtin_call_types_compatible_p): Use
15485         useless_type_conversion_p instead of validate_type.
15486         * value-prof.c (gimple_stringop_fixed_value): Fold
15487         icall_size to correct type.
15488
15489 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15490
15491         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15492         effects.
15493
15494 2016-01-13  Richard Henderson  <rth@redhat.com>
15495
15496         PR tree-opt/68964
15497         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15498         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15499         (ix86_builtin_tm_store): Remove.
15500         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15501         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15502         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15503         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15504         * doc/tm.texi: Rebuild.
15505
15506         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15507         (BUILT_IN_TM_MEMCPY_RTWN): New.
15508         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15509         fallback from vector to integer helpers.
15510         (build_tm_load): Handle vector types directly, instead of
15511         via target hook.
15512         (build_tm_store): Likewise.
15513         (expand_assign_tm): Prepare for register types not handled by
15514         the above.  Copy them to memory and use memcpy.
15515         * tree.c (tm_define_builtin): New.
15516         (find_tm_vector_type): New.
15517         (build_tm_vector_builtins): New.
15518         (build_common_builtin_nodes): Call it.
15519
15520 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15521
15522         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15523         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15524
15525 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15526
15527         PR tree-optimization/69169
15528         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15529         handled_struct_type param.
15530         (create_variable_info_for, intra_create_variable_infos): Call
15531         create_variable_info_for_1 with extra arg.
15532
15533 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15534
15535         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15536         and "armv8.1-a+crc" entries.
15537
15538 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15539
15540         PR target/69228
15541         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15542         Change first operand predicate from register_or_constm1_operand
15543         to register_operand.
15544         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15545         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15546         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15547         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15548         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15549         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15550         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15551         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15552         comparison with constm1_rtx from vec_prefetch_gen part.
15553
15554 2016-01-13  Richard Biener  <rguenther@suse.de>
15555
15556         PR tree-optimization/69013
15557         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15558         Exchange assert for a test.
15559
15560 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15561
15562         PR target/69247
15563         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15564
15565 2016-01-13  Richard Biener  <rguenther@suse.de>
15566
15567         PR tree-optimization/69242
15568         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15569         assert with a check.
15570
15571 2016-01-13  Richard Biener  <rguenther@suse.de>
15572
15573         PR tree-optimization/69186
15574         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15575         Properly guard vect_update_misalignment_for_peel call.
15576
15577 2016-01-12  Jeff Law  <law@redhat.com>
15578
15579         PR tree-optimization/pr67755
15580         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15581         "need_profile_correction".
15582         (thread_block_1): Initialize new field to false by default.  If we
15583         have multiple thread paths through a common joiner to different
15584         final targets, then set new field to true.
15585         (compute_path_counts): Only do count adjustment when it's really
15586         needed.
15587
15588 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15589
15590         * doc/invoke.texi (Spec Files): Move section down in file, past
15591         all command-line option descriptions.
15592
15593 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15594
15595         PR middle-end/54809
15596         * doc/gty.texi: Remove documentation of mark_hook.
15597         * gengtype.c (struct write_types_data): Remove code to support
15598         mark_hook attribute.
15599         (walk_type): Likewise.
15600         (write_func_for_structure): Likewise.
15601
15602 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15603
15604         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15605         Directory Options, and -specs= to Overall Options.
15606         (Overall Options): Adjust similarly.  Reorder to group related
15607         options together.  Make -specs= cross-reference the spec file details.
15608         (Directory Options): Adjust similarly.
15609
15610 2016-01-12  Jeff Law  <law@redhat.com>
15611
15612         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15613
15614 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15615
15616         * gcc.c (spec_undefvar_allowed): New global.
15617         (process_command): Set to true when running for --version or --help,
15618         alone or together.
15619         (getenv_spec_function): When the variable is not defined, use the
15620         variable name as the variable value if we're allowed not to issue
15621         a fatal error.
15622
15623 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15624
15625         PR tree-optimization/68911
15626         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15627         information computed for expression "init + nit * step".
15628
15629 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15630
15631         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15632         about name of GCC executable.  Remove deleted node from menu.
15633         (Directory Options) <-B>: Remove cross-reference to deleted node.
15634         (Target Options): Delete section.
15635
15636 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15637
15638         PR target/69180
15639         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15640         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15641
15642 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15643
15644         PR target/69198
15645         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15646         aligned_mem is properly set for AVX512-VL floating point masked
15647         stores.
15648
15649         PR target/69175
15650         * ifcvt.c (cond_exec_process_if_block): When removing the last
15651         insn from then_bb, remove also any possible barriers that follow it.
15652
15653 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
15654
15655         PR target/68456
15656         PR target/69226
15657         * config/i386/iamcu.h (SIZE_TYPE): New macro.
15658         (PTRDIFF_TYPE): Likewise.
15659         (WCHAR_TYPE): Likewise.
15660         (WCHAR_TYPE_SIZE): Likewise.
15661         (STDINT_LONG32): Likewise.
15662
15663 2016-01-12  Richard Biener  <rguenther@suse.de>
15664
15665         PR tree-optimization/69053
15666         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15667         convert initial value for cond reductions.
15668
15669 2016-01-12  Richard Biener  <rguenther@suse.de>
15670
15671         PR tree-optimization/69007
15672         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15673         widen_sum after dot_prod and sad.
15674
15675 2016-01-12  Richard Biener  <rguenther@suse.de>
15676
15677         PR tree-optimization/69168
15678         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15679         pattern stmt SLP type.
15680         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15681         end up unused so cope with that case.
15682
15683 2016-01-12  Richard Biener  <rguenther@suse.de>
15684
15685         PR tree-optimization/69157
15686         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15687         stmts def type only during analyze phase.
15688         (vectorizable_call): Likewise.
15689         (vectorizable_simd_clone_call): Likewise.
15690         (vectorizable_conversion): Likewise.
15691         (vectorizable_assignment): Likewise.
15692         (vectorizable_shift): Likewise.
15693         (vectorizable_operation): Likewise.
15694         (vectorizable_store): Likewise.
15695         (vectorizable_load): Likewise.
15696
15697 2016-01-12  Richard Biener  <rguenther@suse.de>
15698
15699         PR tree-optimization/69174
15700         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15701         space.
15702         (vectorizable_load): Properly compute the number of loads needed
15703         for permuted strided SLP loads and do not spuriously assign
15704         to SLP_TREE_VEC_STMTS.
15705
15706 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
15707
15708         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15709         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15710         (MD_EXEC_PREFIX): Remove.
15711         (MD_STARTFILE_PREFIX) Removee.
15712         (FILE_NAME_ABSOLUTE_P): Remove.
15713         (CPP_SPEC): Do not read macros from sys/version.h.
15714         (LINK_COMMAND_SPEC): Remove.
15715         (LOCAL_INCLUDE_DIR): Remove.
15716         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15717         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15718         (POST_LINK_SPEC): Define to invoke stubify after linker
15719         (LIBSTDCXX): Remove define
15720         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15721         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15722         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15723         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15724         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15725         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15726         (i386_djgpp_asm_named_section): Add propotype of new procedure
15727
15728         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15729         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15730         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15731         in config/i386/djgpp.h).
15732         (STANDARD_STARTFILE_PREFIX_2): Define identical to
15733         STANDARD_STARTFILE_PREFIX_1.
15734         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15735         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15736         installation errors.
15737         (MAX_OFILE_ALIGNMENT): Define to 128.
15738         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15739
15740         * config/i386/djgpp.c: New file. Add implementation of
15741         i386_djgpp_asm_named_section.
15742
15743         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15744
15745         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15746         Add rule for building djgpp.o.
15747
15748 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15749
15750         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15751         (rtx_is_swappable_p): Reductions are swappable.
15752         (insn_is_swappable_p): V2DF reductions are swappable.
15753
15754 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
15755
15756         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15757         reloads for other unsupported memory operands.
15758
15759 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15760             Jim Wilson  <jim.wilson@linaro.org>
15761
15762         PR target/69194
15763         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15764         copy_to_mode_reg instead of force_reg.
15765
15766 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15767
15768         PR target/69225
15769         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15770         TARGET_80387 is true.
15771
15772 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
15773
15774         PR target/69071
15775         * lra-eliminations.c (move_plus_up): Only move plus up
15776         if subreg of the constant can be simplified into constant
15777         and use the simplified subreg of the constant instead of
15778         the original constant.
15779
15780         * fold-const.c (fold_convertible_p): Don't return true
15781         for conversion of VECTOR_TYPE to same sized integral type.
15782         (fold_convert_loc): Fix up formatting.  Fold conversion of
15783         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15784         instead of NOP_EXPR.
15785
15786         PR tree-optimization/69214
15787         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15788         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15789         Formatting fix.
15790
15791         PR tree-optimization/69207
15792         * tree-vect-slp.c (vect_get_constant_vectors): For
15793         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15794         fold_convertible_p to vector_type's element type, and always
15795         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15796
15797 2016-01-11  Richard Biener  <rguenther@suse.de>
15798
15799         PR tree-optimization/69173
15800         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15801         fixup the cycle if all stmts are in a pattern.
15802
15803 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
15804
15805         PR middle-end/68999
15806         * alias.c (base_alias_check): Move check for addresses with
15807         alignment ANDs before the call for compare_base_decls.
15808         (memrefs_conflict_p): Return -1 for different decls
15809         that went through alignment adjustments.
15810
15811 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15812
15813         PR rtl-optimization/68796
15814         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15815         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15816         and QImode comparisons against zero with CC_NZmode.
15817         * config/aarch64/iterators.md (short_mask): New mode_attr.
15818
15819 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15820
15821         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15822         (<avx512>_store<mode>_mask): Likewise.
15823
15824 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
15825             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15826
15827         PR rtl-optimization/68841
15828         * ifcvt.c (struct noce_if_info): Add orig_x field.
15829         (bbs_ok_for_cmove_arith): Add to_rename parameter.
15830         Don't record conflicts on to_rename if it's present.
15831         Allow memory destinations in sets.
15832         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15833         blocks, passing orig_x to the checks.
15834         (noce_process_if_block): Set if_info->orig_x appropriately.
15835
15836 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15837
15838         PR tree-optimization/69069
15839         * tree-parloops.c (create_parallel_loop): Add missing phi args.
15840
15841 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
15842
15843         PR rtl-optimization/68920
15844         * config/i386/i386.c (ix86_option_override_internal): Restrict number
15845         of conditional moves for  RTL if-conversion to 1 for
15846         TARGET_ONE_IF_CONV_INSN.
15847         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15848         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15849         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15850         parameter to restirct number of conditional moves for
15851         RTL if-conversion.
15852         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15853         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15854         conditionl moves.
15855
15856 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
15857
15858         PR bootstrap/69123
15859         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15860         onepart vars.  Fix typo in comment.  Fix reversed condition in
15861         unshare test.
15862         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15863
15864         PR bootstrap/69123
15865         * var-tracking.c (dump_onepart_variable_differences): New.
15866         (dataflow_set_different): If a detailed dump is requested,
15867         delay early returns and dump differences between onepart
15868         variables present before and after, and added variables.
15869
15870 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
15871
15872         PR target/69010
15873         * expr.c (expand_expr_real_1): For boolean vector constants
15874         with a scalar mode use const_scalar_mask_from_tree.
15875         (const_scalar_mask_from_tree): New.
15876         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15877         assigned to a mask type to handle constants.
15878
15879 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15880
15881         PR ipa/69044
15882         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15883         useless parameters if we cannot change function signature.
15884
15885 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15886
15887         PR ipa/66616
15888         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15889         flag.
15890
15891 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15892
15893         PR tree-optimization/69109
15894         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15895         latch with phi.
15896
15897 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15898
15899         PR tree-optimization/69108
15900         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15901         res is not used in a phi.
15902
15903 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
15904
15905         PR 67425
15906         * common.opt (frandom-seed): Fix parameter name.
15907         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15908
15909 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15910
15911         PR tree-optimization/69058
15912         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15913         not supported.
15914
15915 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
15916
15917         * config/arc/arc.opt (mdiv-rem): Add period to the end.
15918         (mcode-density): Likewise.
15919
15920 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15921
15922         PR tree-optimization/69062
15923         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15924         (parallelize_loops): Don't paralelize loop that has phi with address
15925         arg.
15926
15927 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15928
15929         PR tree-optimization/69039
15930         * tree-parloops.c (try_create_reduction_list): Only allow single exit
15931         phi for reduction.
15932
15933 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
15934
15935         PR middle-end/68743
15936         * match.pd: Require target has function_c99_misc before doing
15937         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15938
15939 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
15940
15941         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15942         use GMPINC.
15943         * configure: Regenerate.
15944
15945 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
15946
15947         PR middle-end/50865
15948         PR tree-optimization/69097
15949         * fold-const.h (expr_not_equal_to): New prototype.
15950         * fold-const.c: Include stringpool.h and tree-ssanames.h.
15951         (expr_not_equal_to): New function.
15952         * match.pd (X % -Y is the same as X % Y): Don't optimize
15953         unless X is known not to be equal to minimum or Y is known
15954         not to be equal to -1.
15955         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15956         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15957         (simplify_stmt_using_ranges): Adjust caller.
15958         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15959         substitute_and_fold.
15960
15961 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
15962
15963         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15964         w/o DECL_NAME.
15965
15966 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15967
15968         PR tree-optimization/69167
15969         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15970         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15971         ops[0] comparison.
15972         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15973
15974 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15975             Richard Biener  <rguenther@suse.de>
15976
15977         PR tree-optimization/68707
15978         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15979         instances that can be handled via vect_load_lanes.
15980
15981 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
15982
15983         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15984         if we can't determine address equivalence.
15985         * alias.c (compare_base_decl): Update for changed return value of
15986         symtab_node::equal_address_to.
15987
15988 2016-01-08  Jason Merrill  <jason@redhat.com>
15989
15990         PR c++/68983
15991         PR c++/67557
15992         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15993         * expr.c (store_field): Not here.
15994         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15995         call with TREE_ADDRESSABLE type.
15996         * tree-cfg.c (verify_gimple_call): Adjust.
15997
15998 2016-01-08  Olivier Hainque  <hainque@adacore.com>
15999
16000         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
16001         libc_internal.
16002
16003 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
16004
16005         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
16006         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
16007         (reduc_smin_v2sf): Rename to...
16008         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
16009         (reduc_splus_v2sf): Rename to...
16010         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
16011
16012 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16013
16014         PR tree-optimization/69162
16015         * gimplify.c (gimplify_va_arg_expr): Encode original type of
16016         valist argument in another argument.
16017         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
16018         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
16019         to determine the va_list type, build a MEM_REF instead of
16020         build_fold_indirect_ref.
16021
16022         PR tree-optimization/69172
16023         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
16024         gimple_build.
16025
16026 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16027
16028         PR tree-optimization/67781
16029         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
16030         and cmpnop in two steps: first the ones not accessed in original
16031         gimple expression in a endian independent way and then the ones not
16032         accessed in the final result in an endian-specific way.
16033
16034 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16035
16036         PR tree-optimization/69083
16037         * tree-vect-slp.c (vect_get_constant_vectors): For
16038         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
16039         element type.  If op is fold_convertible_p to vector_type's element
16040         type, use NOP_EXPR instead of VCE.
16041
16042 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
16043
16044         PR rtl-optimization/67778
16045         PR rtl-optimization/68634
16046         PR rtl-optimization/68909
16047         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
16048         block from the stack until done with it.  Remove a superfluous
16049         bitmap set.  Remove a superfluous bitmap test.
16050
16051 2016-01-07  Martin Sebor  <msebor@redhat.com>
16052
16053         PR c/68966
16054         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
16055         constraint on the type of arguments.
16056
16057 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
16058
16059         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
16060         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
16061         unaligned_access on the gcc_options set.
16062         * config/arm/arm.c (arm_option_override_internal): Use
16063         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
16064
16065 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16066
16067         PR target/69140
16068         * config/i386/i386.c (ix86_frame_pointer_required): Enable
16069         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
16070
16071 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16072
16073         Revert
16074         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16075
16076         PR target/69140
16077         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16078         depending on frame_pointer_needed before remaining integer and SSE
16079         registers are saved.
16080
16081 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
16082
16083         PR 1078
16084         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
16085
16086 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
16087
16088         PR target/69171
16089         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
16090         Use the "xBm" constraint.
16091         (float<sseintvecmodelower><mode>2<mask_name><round_name):
16092         Likewise.
16093         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
16094         (sse_cvtsi2ssq<round_name>): Likewise.
16095         (sse_cvtss2si<round_name>): Likewise.
16096         (sse_cvtss2siq<round_name>): Likewise.
16097         (sse2_cvtsi2sdq<round_name>): Likewise.
16098         (sse2_cvtsd2si<round_name>): Likewise.
16099         (sse2_cvtsd2siq<round_name>): Likewise.
16100         * config/i386/subst.md (round_nimm_scalar_predicate): New
16101         predicate.
16102
16103 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
16104
16105         PR middle-end/67639
16106         * varasm.c (make_decl_rtl): Mark invalid register vars as
16107         DECL_EXTERNAL.
16108
16109         PR rtl-optimization/66206
16110         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
16111         All callers changed.
16112
16113 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
16114
16115         PR tree-optimization/69141
16116         * tree-ssa-pre.c: Include langhooks.h.
16117         (eliminate_dom_walker::before_dom_children): Use
16118         lang_hooks.decl_printable_name instead of
16119         cgraph_node::get ()->name ().
16120
16121         PR middle-end/68960
16122         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
16123         it and DECL_ALIGN too.
16124
16125 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
16126
16127         * config/mips/mips-ftypes.def: Sort to lexicographical order.
16128
16129 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16130
16131         PR target/69140
16132         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16133         depending on frame_pointer_needed before remaining integer and SSE
16134         registers are saved.
16135
16136 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16137
16138         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
16139         mode iterator with VSX_M2.
16140         (*p9_vecstore_<mode>): Likewise.
16141         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
16142         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
16143         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
16144         (define_split for VSX_LE128 stores): Likewise.
16145         (define_peephole2 for TImode LE swaps): Likewise.
16146         (define_split for VSX_LE128 post-reload stores): Likewise.
16147
16148 2016-01-06  Marek Polacek  <polacek@redhat.com>
16149
16150         PR sanitizer/69099
16151         * convert.c (convert_to_integer_1): Adjust call to
16152         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
16153         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
16154         EXPR instead of ARG.
16155         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
16156
16157 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16158
16159         PR 1078
16160         * doc/extend.texi (RL78 Variable Attributes): New section.
16161
16162 2016-01-05  Marek Polacek  <polacek@redhat.com>
16163
16164         PR c/69104
16165         * builtins.c (get_memmodel): Use expansion point location rather than
16166         the input location.  Call warning_at rather than warning.
16167         (expand_builtin_atomic_compare_exchange): Likewise.
16168         (expand_builtin_atomic_load): Likewise.
16169         (expand_builtin_atomic_store): Likewise.
16170         (expand_builtin_atomic_clear): Likewise.
16171
16172 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16173
16174         PR target/68991
16175         * config/i386/i386.c (ix86_expand_vector_logical_operator):
16176         Replace nonimmediate_operand with vector_operand.
16177         * config/i386/predicates.md (vector_operand): New predicate.
16178         (general_vector_operand): Replace nonimmediate_operand with
16179         vector_operand.
16180         * config/i386/sse.md: Replace nonimmediate_operand with
16181         vector_operand and m constraint with Bm constraint on SSE
16182         patterns with 16-byte memory operand.
16183         * config/i386/subst.md (round_nimm_predicate): Replace
16184         nonimmediate_operand with vector_operand.
16185         (round_saeonly_nimm_predicate): Likewise.
16186         (round_saeonly_nimm_scalar_predicate): New.
16187
16188 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16189
16190         PR target/68991
16191         * config/i386/constraints.md (Bm): New constraint.
16192         * config/i386/predicates.md (vector_memory_operand): New
16193         predicate.
16194         * config/i386/sse.md: Replace xm with xBm in plusminus and
16195         any_logic patterns.
16196
16197 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16198
16199         PR 1078
16200         * doc/extend.texi (V850 Function Attributes): New section.
16201         (V850 Variable Attributes): New section.
16202
16203 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16204
16205         PR 1078
16206         * doc/extend.texi (MicroBlaze Function Attributes): Document
16207         interrupt_handler and fast_interrupt attributes.
16208
16209 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16210
16211         PR other/60465
16212         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16213         for local symbolic operands.
16214         * config/ia64/predicates.md (local_symbolic_operand64): New
16215         predicate.
16216
16217 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16218
16219         PR rtl-optimization/68651
16220         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16221         x << 1.
16222
16223 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16224
16225         * alias.c (compare_base_decls): Use symtab_node::get.
16226
16227 2016-01-05  Nick Clifton  <nickc@redhat.com>
16228
16229         PR target/68770
16230         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16231         secondary_reload_info structure.
16232
16233         PR target/66655
16234         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16235         decls if weak support is available.
16236
16237 2016-01-04  Martin Sebor  <msebor@redhat.com>
16238
16239         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16240
16241 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16242
16243         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16244         OPTION_MASK_P9_DFORM.
16245
16246         * config/rs6000/constraints.md (wo constraint): New constraint for
16247         ISA 3.0 (power9).
16248
16249         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16250         for wo constraint.
16251         (rs6000_init_hard_regno_mode_ok): Likewise.
16252
16253         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16254         wo constraint.
16255
16256         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16257         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16258         instruction.  Add support for fusing xxlor with xxperm.
16259         (altivec_vperm_<mode>_internal): Likewise.
16260         (altivec_vperm_v8hiv16qi): Likewise.
16261         (altivec_vperm_<mode>v16q): Likewise.
16262         (altivec_vperm_<mode>_uns): Likewise.
16263         (vperm_v8hiv4si): Likewise.
16264         (vperm_v16qiv8hi): Likewise.
16265
16266         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16267
16268 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16269
16270         Update copyright years.
16271
16272         * gcc.c (process_command): Update copyright notice dates.
16273         * gcov-dump.c (print_version): Ditto.
16274         * gcov.c (print_version): Ditto.
16275         * gcov-tool.c (print_version): Ditto.
16276         * gengtype.c (create_file): Ditto.
16277         * doc/cpp.texi: Bump @copying's copyright year.
16278         * doc/cppinternals.texi: Ditto.
16279         * doc/gcc.texi: Ditto.
16280         * doc/gccint.texi: Ditto.
16281         * doc/gcov.texi: Ditto.
16282         * doc/install.texi: Ditto.
16283         * doc/invoke.texi: Ditto.
16284
16285 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16286
16287         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16288         modes larger than TImode as TImode if NEON is not enabled.
16289
16290 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16291
16292         PR target/69100
16293         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16294         mode for %f0-%f31 only if TARGET_FPU.
16295
16296 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16297
16298         PR target/69072
16299         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16300         to compute the PACKED_P predicate.
16301         (function_arg_record_value): Minor tweaks.
16302
16303 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16304
16305         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16306         option for arm*-*-* targets.
16307
16308 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16309
16310         * doc/extend.texi (Common Function Attributes): Move docs for
16311         MSP430-specific attributes to....
16312         (MSP430 Function Attributes): ...here.  Delete the redundant
16313         entries and copy-edit the remaining text.
16314         (MSP430 Variable Attributes): Use uniform format for index
16315         entries and add a cross-reference to the corresponding function
16316         attribute docs.
16317
16318 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16319
16320         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16321         -finite-math typo.
16322         (x86 Options): Likewise.
16323
16324 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16325
16326         PR 1078
16327
16328         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16329         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16330         to corresponding attribute.
16331
16332 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16333
16334         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16335         to correct alphabetization of table.  Copy-edit and correct
16336         markup.
16337         <stack_protect>: Likewise.
16338         <target_clones>: Likewise.
16339         <simd>: Likewise.
16340         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16341         Correct punctuation.
16342         (Code Gen Options) <-fno-plt>: Copy-edit.
16343
16344 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16345
16346         PR target/68917
16347         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16348         SI values.  Explicitly convert SI to DI and vice-versa.
16349
16350 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16351
16352         PR tree-optimization/69070
16353         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16354         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16355
16356         PR sanitizer/69055
16357         * ubsan.c (ubsan_instrument_float_cast): Call
16358         initialize_sanitizer_builtins.
16359
16360         PR target/69015
16361         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16362 \f
16363 Copyright (C) 2016 Free Software Foundation, Inc.
16364
16365 Copying and distribution of this file, with or without modification,
16366 are permitted in any medium without royalty provided the copyright
16367 notice and this notice are preserved.