gcc/ChangeLog

   1 2016-06-23  Uros Bizjak  <ubizjak@gmail.com>
   2             H.J. Lu  <hongjiu.lu@intel.com>
   3
   4         PR target/67400
   5         * config/i386/i386-protos.h (ix86_force_load_from_GOT_p): New.
   6         * config/i386/i386.c (ix86_force_load_from_GOT_p): New function.
   7         (ix86_legitimate_constant_p): Do not allow UNSPEC_GOTPCREL if
   8         ix86_force_load_from_GOT_p returns true.
   9         (ix86_legitimate_address_p): Allow UNSPEC_GOTPCREL if
  10         ix86_force_load_from_GOT_p returns true.
  11         (ix86_print_operand_address_as): Support UNSPEC_GOTPCREL if
  12         ix86_force_load_from_GOT_p returns true.
  13         (ix86_expand_move): Load the external function address via the
  14         GOT slot if ix86_force_load_from_GOT_p returns true.
  15         * config/i386/predicates.md (x86_64_immediate_operand): Return
  16         false for SYMBOL_REFs where ix86_force_load_from_GOT_p returns true.
  17         (x86_64_zext_immediate_operand): Ditto.
  18
  19 2016-06-22  Uros Bizjak  <ubizjak@gmail.com>
  20
  21         * config/i386/i386.c (ix86_expand_move): Simplify SYMBOL_REF handling.
  22
  23 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
  24
  25         PR c/70339
  26         * diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
  27         * diagnostic.c (pedwarn_at_rich_loc): New function.
  28         * spellcheck.h (best_match::best_match): Add a
  29         "best_distance_so_far" optional parameter.
  30         (best_match::set_best_so_far): New method.
  31         (best_match::get_best_distance): New accessor.
  32         (best_match::get_best_candidate_length): New accessor.
  33
  34 2016-06-22  Nick Clifton  <nickc@redhat.com>
  35
  36         * dwarf2out.c (scompare_loc_descriptor): Use SCALAR_INT_MODE_P() in
  37         place of GET_MODE_CLASS() == MODE_INT, so that partial integer
  38         modes are accepted as well.
  39         (ucompare_loc_descriptor): Likewise.
  40         (minmax_loc_descriptor): Likewise.
  41         (clz_loc_descriptor): Likewise.
  42         (popcount_loc_descriptor): Likewise.
  43         (bswap_loc_descriptor): Likewise.
  44         (rotate_loc_descriptor): Likewise.
  45         (mem_loc_descriptor): Likewise.
  46         (loc_descriptor): Likewise.
  47
  48 2016-06-22  David Malcolm  <dmalcolm@redhat.com>
  49
  50         * common.opt (fdiagnostics-parseable-fixits): New option.
  51         * diagnostic.c: Include "selftest.h".
  52         (print_escaped_string): New function.
  53         (print_parseable_fixits): New function.
  54         (diagnostic_report_diagnostic): Call print_parseable_fixits.
  55         (selftest::assert_print_escaped_string): New function.
  56         (ASSERT_PRINT_ESCAPED_STRING_STREQ): New macro.
  57         (selftest::test_print_escaped_string): New function.
  58         (selftest::test_print_parseable_fixits_none): New function.
  59         (selftest::test_print_parseable_fixits_insert): New function.
  60         (selftest::test_print_parseable_fixits_remove): New function.
  61         (selftest::test_print_parseable_fixits_replace): New function.
  62         (selftest::diagnostic_c_tests): New function.
  63         * diagnostic.h (struct diagnostic_context): Add field
  64         "parseable_fixits_p".
  65         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
  66         -fdiagnostics-parseable-fixits.
  67         (-fdiagnostics-parseable-fixits): New option.
  68         * opts.c (common_handle_option): Handle
  69         -fdiagnostics-parseable-fixits.
  70         * selftest-run-tests.c (selftest::run_tests): Call
  71         selftest::diagnostic_c_tests.
  72         * selftest.h (selftest::diagnostic_c_tests): New prototype.
  73
  74 2016-06-22  Ilya Enkovich  <ilya.enkovich@intel.com>
  75
  76         PR middle-end/71488
  77         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Support
  78         comparison of boolean vectors.
  79         * tree-vect-stmts.c (vectorizable_comparison): Vectorize comparison
  80         of boolean vectors using bitwise operations.
  81
  82 2016-06-22  Andreas Schwab  <schwab@suse.de>
  83
  84         * config/aarch64/aarch64-protos.h (aarch64_elf_asm_named_section):
  85         Remove declaration.
  86
  87 2016-06-22  Eric Botcazou  <ebotcazou@adacore.com>
  88
  89         * function.c (assign_parm_setup_reg): Prevent sharing in another case.
  90
  91 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
  92
  93         * config/i386/i386.c (print_reg): Emit an error message on attempt to
  94         print FLAGS_REG.
  95
  96 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  97
  98         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
  99         * config/arm/arm-cores.def (cortex-a73): New entry.
 100         (cortex-a73.cortex-a35): Likewise.
 101         (cortex-a73.cortex-a53): Likewise.
 102         * config/arm/arm-tables.opt: Regenerate.
 103         * config/arm/arm-tune.md: Likewise.
 104         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
 105         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 106         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
 107         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
 108         * doc/invoke.texi (ARM Options): Document cortex-a73,
 109         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
 110
 111 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 112
 113         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
 114         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
 115         (cortex-a73.cortex-a35): Likewise.
 116         (cortex-a73.cortex-a53): Likewise.
 117         * config/aarch64/aarch64-tune.md: Regenerate.
 118         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
 119         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
 120         -mcpu and -mtune.
 121
 122 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 123
 124         * configure.ac (gcc_cv_as_compress_debug): Remove
 125         --compress-debug-sections as extra as switch.
 126         Handle gas --compress-debug-sections=type.
 127         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
 128         Handle gld --compress-debug-sections=type.
 129         * configure: Regenerate.
 130
 131 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
 132
 133         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
 134
 135 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
 136
 137         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
 138         (do_rewrite): likewise.
 139
 140 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 141
 142         * common/config/mep/mep-common.c: Remove.
 143         * config.gcc: Remove mep-* support.
 144         * config/mep/constraints.md: Remove.
 145         * config/mep/default.h: Remove.
 146         * config/mep/intrinsics.h: Remove.
 147         * config/mep/intrinsics.md: Remove.
 148         * config/mep/ivc2-template.h: Remove.
 149         * config/mep/mep-c5.cpu: Remove.
 150         * config/mep/mep-core.cpu: Remove.
 151         * config/mep/mep-default.cpu: Remove.
 152         * config/mep/mep-ext-cop.cpu: Remove.
 153         * config/mep/mep-intrin.h: Remove.
 154         * config/mep/mep-ivc2.cpu: Remove.
 155         * config/mep/mep-pragma.c: Remove.
 156         * config/mep/mep-protos.h: Remove.
 157         * config/mep/mep.c: Remove.
 158         * config/mep/mep.cpu: Remove.
 159         * config/mep/mep.h: Remove.
 160         * config/mep/mep.md: Remove.
 161         * config/mep/mep.opt: Remove.
 162         * config/mep/predicates.md: Remove.
 163         * config/mep/t-mep: Remove.
 164         * doc/install.texi: Remove mep-* documentation.
 165         * doc/md.texi: Likewise.
 166
 167 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 168
 169         * config.gcc: Remove support for avr-rtems.
 170         * config/avr/gen-avr-mmcu-specs.c: Likewise.
 171         * config/avr/rtems.h: Remove.
 172         * config/avr/t-rtems: Remove.
 173
 174 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 175
 176         * config.gcc: Remove m32r-rtems support.
 177         * config/m32r/rtems.h: Remove.
 178
 179 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 180
 181         * config.gcc: Remove h8300-rtems support.
 182         * config/h8300/rtems.h: Remove.
 183         * config/h8300/t-rtems: Remove.
 184
 185 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 186
 187         * config.gcc: Remove support for knetbsd.
 188         * configure.ac: Likewise.
 189         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
 190         * config/knetbsd-gnu.h: Remove.
 191         * configure: Regenerate.
 192
 193 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 194
 195         * config.gcc: Remove support for openbsd 2 and 3.
 196         * config/openbsd-oldgas.h: Remove.
 197
 198 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 199
 200         * config.gcc: Remove interix support.
 201         * config/i386/i386-interix.h: Remove.
 202         * config/i386/interix.opt: Remove.
 203         * config/i386/t-interix: Remove.
 204         * configure: Regenerate.
 205         * configure.ac: Remove interix support.
 206         * doc/install.texi: Remove interix documentation.
 207
 208 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 209
 210         * config/rs6000/rs6000.h: Add conditional preprocessing directives
 211         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
 212         not defined.
 213
 214 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 215
 216         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
 217         they are both PLACEHOLDER_EXPRs.
 218
 219 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 220
 221         * stor-layout.c (layout_type): Move setting complex MODE to
 222         layout_type, instead of setting it ahead of time by the caller.
 223         * tree.c (build_complex_type): Likewise.
 224
 225 2016-06-21  Martin Liska  <mliska@suse.cz>
 226
 227         * predict.c (force_edge_cold): Replace imposisble with
 228         impossible.
 229
 230 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 231
 232         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
 233         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
 234
 235 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 236
 237         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
 238
 239 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
 240             Ilya Enkovich  <ilya.enkovich@intel.com>
 241
 242         PR target/71549
 243         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
 244         New member function to convert V1TImode register to SUBREG
 245         TImode in debug insn.
 246         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
 247         after changing register mode to V1TImode.
 248
 249 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
 250
 251         * config/aarch64/aarch64-cores.def (vulcan): New core.
 252         * config/aarch64/aarch64-tune.md: Regenerate.
 253         * doc/invoke.texi: Document vulcan as an available option.
 254
 255 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 256
 257         * cse.c (canon_asm_operands): New function extracted from...
 258         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
 259         either standalone or member of a PARALLEL.
 260
 261 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 262
 263         PR target/30417
 264         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
 265         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
 266         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
 267
 268 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 269
 270         PR target/71103
 271         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
 272         constant addresses if can_create_pseudo_p.
 273
 274 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
 275
 276         PR tree-optimization/71588
 277         * tree-ssa-strlen.c (valid_builtin_call): New function.
 278         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
 279         it.
 280
 281 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 282
 283         PR middle-end/71581
 284         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
 285         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
 286         for conversion of scalar user var to complex type and use the
 287         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
 288         punt.
 289
 290         PR rtl-optimization/71591
 291         * toplev.c (toplev::run_self_tests): If no_backend, complain and
 292         don't run any tests.
 293
 294 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 295
 296         PR target/71571
 297         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
 298         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
 299         space for PIC with non-v32 and the common non-PIC "jump".
 300
 301 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 302
 303         PR target/71559
 304         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
 305         returned values and add UN*/LTGT/*ORDERED cases with values matching
 306         D operand modifier on vcmp for AVX.
 307
 308 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 309
 310         * config/aarch64/aarch64.opt
 311         (mpc-relative-literal-loads): Rename internal option name.
 312         * config/aarch64/aarch64.c
 313         (aarch64_nopcrelative_literal_loads): Rename to
 314         aarch64_pcrelative_literal_loads.
 315         (aarch64_expand_mov_immediate): Likewise.
 316         (aarch64_secondary_reload): Likewise.
 317         (aarch64_can_use_per_function_literal_pools_p): Likewise.
 318         (aarch64_override_options_after_change_1): Rename and simplify logic.
 319         (aarch64_classify_symbol): Merge large model checks into switch,
 320         remove pc-relative load check.
 321
 322 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 323
 324         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
 325         costs relative to the cost of a register move.
 326
 327 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 328
 329         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 330         (vcvt_n_f64_u64): Likewise.
 331         (vcvt_n_s64_f64): Likewise.
 332         (vcvt_n_u64_f64): Likewise.
 333         (vcvt_f64_s64): Likewise.
 334         (vrecpe_f64): Likewise.
 335         (vcvt_f64_u64): Likewise.
 336         (vrecps_f64): Likewise.
 337
 338 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 339
 340         * config/aarch64/aarch64.md
 341         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
 342         iterators.
 343         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
 344         attributes.
 345         * config/aarch64/aarch64-builtins.c
 346         (aarch64_types_binop_uss_qualifiers): Delete.
 347         (TYPES_BINOP_USS): Likewise.
 348         (aarch64_types_binop_sus_qualifiers): Likewise.
 349         (TYPES_BINOP_SUS): Likewise.
 350         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
 351         (TYPES_FCVTIMM_SUS): Likewise.
 352         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
 353         rather than BINOP.
 354         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
 355         (fcvtzs): Use SHIFTIMM rather than BINOP.
 356         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
 357
 358 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 359
 360         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
 361         costs relative to the cost of a register move.
 362
 363 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 364
 365         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
 366         Allow scalar/single vector modes to be tieable.
 367
 368 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 369
 370         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
 371
 372 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 373
 374         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
 375         "alignement".
 376         * tree.h (TYPE_ALIGN): Likewise.
 377
 378 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 379
 380         PR target/71103
 381         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
 382
 383 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 384
 385         * config/avr/avr.c (avr_print_operand): Fix "format not a string
 386         literal" build warnings.
 387         (avr_print_operand_address): Dito.
 388
 389 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
 390
 391         PR target/71375
 392         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
 393         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
 394
 395 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
 396
 397         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
 398
 399 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 400
 401         PR bootstrap/71435
 402         * reload1.c (reload): Pass 0 to finish_spills when called because
 403         update_eliminables_and_spill returns true and remove did_spill.
 404         (finish_spills): Adjust comment and document GLOBAL parameter.
 405
 406 2016-06-17  DJ Delorie  <dj@redhat.com>
 407
 408         PR target/71338
 409         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
 410         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
 411         (umulqihi3_virt): Likewise.
 412         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
 413         (umulqihi3_real): Likewise.
 414
 415 2016-06-17  Martin Liska  <mliska@suse.cz>
 416
 417         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
 418
 419 2016-06-17  Martin Liska  <mliska@suse.cz>
 420
 421         * predict.def: PRED_LOOP_EXIT from 92 to 85.
 422
 423 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
 424
 425         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
 426         __FAST_MATH__.
 427         (vaddq_f32): Likewise.
 428         (vmul_f32): Likewise.
 429         (vmulq_f32): Likewise.
 430         (vsub_f32): Likewise.
 431         (vsubq_f32): Likewise.
 432
 433 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 434
 435         PR tree-optimization/71347
 436         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
 437         cost for all uses in group.
 438
 439 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
 440
 441         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
 442         insert gimple seq if it's not empty.
 443
 444 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 445
 446         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
 447         member OFFSET.
 448         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
 449         rather than OFFSET.
 450         (comp_dr_with_seg_len_pair): Ditto.
 451         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
 452         struct dr_with_seg_len_pair against DR_OFFSET.
 453         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
 454         DR_OFFSET directly.
 455
 456 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 457
 458         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
 459
 460 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
 461
 462         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
 463         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
 464         (pa_output_millicode_call): Likewise.
 465         (pa_output_call): Likewise.
 466         (pa_output_indirect_call): Likewise.
 467         (pa_asm_output_mi_thunk): Likewise.
 468
 469 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 470
 471         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
 472
 473 2016-06-16  Martin Liska  <mliska@suse.cz>
 474
 475         * predict.c (combine_predictions_for_insn): When we find a first
 476         match predictor, we should consider just predictors with
 477         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
 478         DS theory predictor.
 479         (combine_predictions_for_bb): Likewise.
 480
 481 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 482
 483         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
 484         with base of reference to struct.
 485
 486 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 487
 488         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
 489
 490 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 491
 492         PR target/71151
 493         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
 494         progmem_swtable_section.
 495         (progmem_swtable_section): Remove.
 496         (avr_asm_function_rodata_section): Remove.
 497         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 498         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
 499
 500 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
 501
 502         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 503         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
 504         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
 505         signature_CENTAUR_ebx.
 506         * config/i386/i386.c (ix86_option_override_internal): Add
 507         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
 508         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
 509         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
 510
 511 2016-06-16  Martin Liska  <mliska@suse.cz>
 512
 513         * predict.def: Add fortran loop preheader predictor.
 514         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
 515         fold IFN_BUILTIN_EXPECT with a known constant argument.
 516
 517 2016-06-16  Martin Liska  <mliska@suse.cz>
 518
 519         * predict.def: Add 'Fortran' to display text of all
 520         PRED_FORTRAN_* predictors.
 521
 522 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 523
 524         PR target/71242
 525         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
 526         [IA64_BUILTIN_NANSQ]: Ditto.
 527         (ia64_fold_builtin): New function.
 528         (TARGET_FOLD_BUILTIN): New define.
 529         (ia64_init_builtins) Declare const_string_type node.
 530         Add __builtin_nanq and __builtin_nansq builtin functions.
 531         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
 532
 533 2016-06-16  Nick Clifton  <nickc@redhat.com>
 534
 535         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
 536         MSP430_HWMULT_ prefix to enum values.
 537         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
 538         * config/msp430/msp430.c: Update use of enum values.
 539         * config/msp430/msp430.md: Likewise.
 540         * config/msp430/msp430.opt: Likewise.
 541
 542 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
 543
 544         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
 545         of comparsions in the last iteration.
 546
 547 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 548             Joern Rennecke  <joern.rennecke@embecosm.com>
 549
 550         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
 551         addresses.
 552         (arc_needs_pcl_p): Add GOTOFFPC.
 553         (arc_legitimate_pic_addr_p): Likewise.
 554         (arc_output_pic_addr_const): Likewise.
 555         (arc_legitimize_pic_address): Generate a pc-relative address using
 556         GOTOFFPC.
 557         (arc_output_libcall): Use @pcl syntax.
 558         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
 559         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
 560         (*movsi_insn): Use @pcl syntax.
 561         (doloop_begin_i): Likewise.
 562
 563 2016-06-16  Martin Liska  <mliska@suse.cz>
 564
 565         * predict.def: Define a new predictor.
 566
 567 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 568
 569         * config/arc/arc.opt (mtp-regno): Update text.
 570
 571 2016-06-16  Renlin Li  <renlin.li@arm.com>
 572
 573         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
 574
 575 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 576
 577         PR target/71554
 578         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
 579         (setcc + and peephole2): Likewise.
 580
 581         PR rtl-optimization/71532
 582         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
 583         memory slots.
 584
 585 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 586
 587         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
 588         DImode constants with XXSPLTIB in vector registers.
 589         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
 590         vsx_extract_<mode>_internal{1,2} into a single insn that handles
 591         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
 592         extraction of the element at the top of the register as a scalar
 593         value.
 594         (vsx_extract_<mode>_internal1): Likewise.
 595         (vsx_extract_<mode>_internal2): Likewise.
 596         * config/rs6000/constraints.md (wi constraint): Remove a comment
 597         about DImode not being allowed in Altivec registers.
 598         (wB constraint): New constraint for constants that can be
 599         generated in Altivec registers with VSPLTISW/VUPKHSW.
 600         * config/rs6000/predicates.md (xxspltib_constant_split): Update
 601         comments.
 602         (xxspltib_constant_nosplit): Likewise.
 603         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
 604         support for -mupper-regs-di to enable DImode to go into Altivec
 605         registers.
 606         (POWERPC_MASKS): Likewise.
 607         (power7 cpu): Likewise.
 608         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
 609         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
 610         for DImode being allowed in Altivec registers.  Update wi/wj
 611         constraints.  Set scalar_in_vmx_p flag.
 612         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
 613         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
 614         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
 615         (rs6000_opt_masks): Add -mupper-regs-di.
 616         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
 617         direct move to use wi and not wj.
 618         (lfiwzx): Likewise.
 619         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
 620         alternative.
 621         (floatunssi<mode>2_lfiwzx_mem): Likewise.
 622         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
 623         any VSX register, instead of just Altivec registers, to allow
 624         either operand to be an Altivec register or both.
 625         (fixuns_trunc<mode>di2_fctiduz): Likewise.
 626         (movdi_internal32): Add support for -mupper-regs-di.  Add support
 627         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
 628         the alternatives and attributes to be lined up to be easier to
 629         read.
 630         (movdi_internal64): Likewise.
 631         (64-bit DImode splitters): Change predicates to only split loading
 632         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
 633         load constants in ISA 3.0 or ISA 2.07 respectively.
 634         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
 635         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
 636         mention -mcpu=power9 sets these options.
 637         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
 638         wB constraint.
 639
 640 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
 641
 642         PR target/67353
 643         * config/avr/avr.c (avr_set_current_function): Warn misspelled
 644         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
 645         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
 646         by default to warn misspelled interrupt/ signal handler.
 647         * doc/invoke.texi (AVR Options): Document it. Update description
 648         for -nodevicelib option.
 649
 650 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 651
 652         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
 653         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
 654         (aarch64_<sur>shll2_n<mode>): Likewise.
 655
 656 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
 657
 658         PR middle-end/71529
 659         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
 660         DECL_CONTEXT for copied arguments.
 661
 662 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 663
 664         PR tree-optimization/71483
 665         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
 666         for slp
 667
 668 2016-06-15  Martin Liska  <mliska@suse.cz>
 669
 670         * predict.c (tree_predict_by_opcode): Call predict_edge_def
 671         instead of predict_edge w/o a probability.
 672
 673 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 674
 675         PR tree-optimization/71439
 676         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
 677         live PHIs.
 678
 679 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 680
 681         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
 682         register subregs in SET_SRC.
 683
 684 2016-06-15  Richard Biener  <rguenther@suse.de>
 685
 686         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
 687         store restrictions.
 688
 689 2016-06-15  Richard Biener  <rguenther@suse.de>
 690
 691         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
 692         not consider dependences between accesses that belong to the
 693         same group.
 694         (vect_analyze_data_ref_dependences): Do not analyze read-read
 695         or self-dependences.
 696
 697 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 698
 699         * spellcheck-tree.c: Include spellcheck-tree.h rather than
 700         spellcheck.h.
 701         (find_closest_identifier): Reimplement in terms of
 702         best_match<tree,tree>.
 703         * spellcheck-tree.h: New file.
 704         * spellcheck.c (struct edit_distance_traits<const char *>): New
 705         struct.
 706         (find_closest_string): Reimplement in terms of
 707         best_match<const char *, const char *>.
 708         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
 709         overload to spellcheck-tree.h.
 710         (find_closest_identifier): Likewise.
 711         (struct edit_distance_traits<T>): New template.
 712         (class best_match): New class.
 713
 714 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 715
 716         * selftest-run-tests.c (selftest::run_tests): Call
 717         selftest::spellcheck_tree_c_tests.
 718         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
 719         * spellcheck-tree.c: Include selftest.h and stringpool.h.
 720         (selftest::test_find_closest_identifier): New function.
 721         (selftest::spellcheck_tree_c_tests): New function.
 722         * spellcheck.c (selftest::test_find_closest_string): Verify that
 723         the order of the vec does not affect the results for this case.
 724         (selftest::test_data): New array.
 725         (selftest::test_metric_conditions): New function.
 726         (selftest::spellcheck_c_tests): Add a test of case-comparison.
 727         Call selftest::test_metric_conditions.
 728
 729 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 730
 731         * config/rs6000/rs6000-builtin.def (commentary): Typo.
 732         (BU_P9_MISC_1): Likewise.
 733         (BU_P9_64BIT_MISC_0): Likewise.
 734         (BU_P9_MISC_0): Likewise.
 735
 736 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 737
 738         * gcc-rich-location.c
 739         (gcc_rich_location::add_fixit_misspelled_id): New method.
 740         * gcc-rich-location.h
 741         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
 742
 743 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
 744
 745         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
 746         FreeBSD 11 and above.
 747
 748 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
 749
 750         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
 751
 752 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 753
 754         * expmed.h: Close parenthesis in "at your option" in copyright
 755         boilerplate.
 756         * lower-subreg.h: Likewise.
 757
 758 2016-06-14  Richard Biener  <rguenther@suse.de>
 759
 760         PR middle-end/71526
 761         * genmatch.c (expr::gen_transform): Use in_type for comparisons
 762         if available.
 763
 764 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 765
 766         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
 767         New function.
 768         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
 769         mask+shift version.
 770         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
 771         New prototype.
 772         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
 773         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
 774
 775 2016-06-14  Richard Biener  <rguenther@suse.de>
 776
 777         PR tree-optimization/71522
 778         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
 779         copying into float copying.
 780
 781 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
 782
 783         PR tree-optimization/71520
 784         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
 785         (replace_block_by): Move user labels from bb1 to bb2.
 786
 787 2016-06-14  Richard Biener  <rguenther@suse.de>
 788
 789         PR middle-end/71310
 790         PR bootstrap/71510
 791         * expr.h (get_bit_range): Declare.
 792         * expr.c (get_bit_range): Export.
 793         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
 794         word_mode again to constrain the bitfield access.
 795
 796 2016-06-14  Richard Biener  <rguenther@suse.de>
 797
 798         PR tree-optimization/71521
 799         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
 800         division int_const_binop against zero divisor.
 801
 802 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 803
 804         * config/i386/i386.md (signbittf2): New expander.
 805         * config/i386/sse.md (ptesttf2): New insn pattern.
 806
 807 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 808
 809         PR bootstrap/71481
 810         * input.c (selftest::test_reading_source_line): Avoid reading from
 811         __FILE__ by creating a tempfile with known content and reading
 812         from that instead.
 813
 814 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 815
 816         * pretty-print.c (assert_pp_format_colored): Skip the test if
 817         GCC_COLORS is set.
 818         (test_pp_format): Remove comment about GCC_COLORS.
 819
 820 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 821
 822         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
 823         * pretty-print.c (assert_pp_format_va): Add location param and use
 824         it with ASSERT_STREQ_AT.
 825         (assert_pp_format): Add location param and pass it to
 826         assert_pp_format_va.
 827         (assert_pp_format_colored): Likewise.
 828         (ASSERT_PP_FORMAT_1): New.
 829         (ASSERT_PP_FORMAT_2): New.
 830         (ASSERT_PP_FORMAT_3): New.
 831         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
 832         explicitly, or implicitly via the above macros.
 833         * selftest.c (selftest::pass): Use a selftest::location rather
 834         than file and line.
 835         (selftest::fail): Likewise.  Print the function name.
 836         (selftest::fail_formatted): Likewise.
 837         (selftest::assert_streq): Use a selftest::location rather than
 838         file and line.
 839         * selftest.h (selftest::location): New struct.
 840         (SELFTEST_LOCATION): New macro.
 841         (selftest::pass): Accept a const location & rather than file
 842         and line.
 843         (selftest::fail): Likewise.
 844         (selftest::fail_formatted): Likewise.
 845         (selftest::assert_streq): Likewise.
 846         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
 847         (ASSERT_FALSE): Likewise.
 848         (ASSERT_EQ): Likewise.
 849         (ASSERT_NE): Likewise.
 850         (ASSERT_STREQ): Likewise.
 851         (ASSERT_PRED1): Likewise.
 852         (ASSERT_STREQ_AT): New macro.
 853
 854 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 855
 856         * selftest.c (selftest::fail_formatted): New function.
 857         (selftest::assert_streq): New function.
 858         * selftest.h (selftests::fail_formatted): New decl.
 859         (selftest::assert_streq): New decl.
 860         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
 861
 862 2016-06-13  Jeff Law  <law@redhat.com>
 863
 864         PR tree-optimization/71403
 865         * tree-ssa-threadbackward.c
 866         (convert_and_register_jump_thread_path): No longer accept reference
 867         to path.  Do not pop items off the path anymore.
 868         (fsm_find_control_statement_thread_paths): Do not allow threading
 869         to a deeper loop nest.  Pop the last item off the path here rather
 870         than in convert_and_register_jump_thread_path.
 871
 872 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 873             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
 874
 875         [AArch64] Emit division using the Newton series
 876
 877         * config/aarch64/aarch64-protos.h
 878         (cpu_approx_modes): Add new member "division".
 879         (aarch64_emit_approx_div): Declare new function.
 880         * config/aarch64/aarch64.c
 881         (generic_approx_modes): New member "division".
 882         (exynosm1_approx_modes): Likewise.
 883         (xgene1_approx_modes): Likewise.
 884         (aarch64_emit_approx_div): Define new function.
 885         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
 886         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
 887         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
 888         * doc/invoke.texi (-mlow-precision-div): Describe new option.
 889
 890 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 891             Wilco Dijkstra  <wilco.dijkstra@arm.com>
 892
 893         [AArch64] Emit square root using the Newton series
 894
 895         * config/aarch64/aarch64-protos.h
 896         (aarch64_emit_approx_rsqrt): Replace with new function
 897         "aarch64_emit_approx_sqrt".
 898         (cpu_approx_modes): New member "sqrt".
 899         * config/aarch64/aarch64.c
 900         (generic_approx_modes): New member "sqrt".
 901         (exynosm1_approx_modes): Likewise.
 902         (xgene1_approx_modes): Likewise.
 903         (aarch64_emit_approx_rsqrt): Replace with new function
 904         "aarch64_emit_approx_sqrt".
 905         (aarch64_override_options_after_change_1): Handle new option.
 906         * config/aarch64/aarch64-simd.md
 907         (rsqrt<mode>2): Use new function instead.
 908         (sqrt<mode>2): New expansion and insn definitions.
 909         * config/aarch64/aarch64.md: Likewise.
 910         * config/aarch64/aarch64.opt
 911         (mlow-precision-sqrt): Add new option description.
 912         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
 913
 914 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 915
 916         [AArch64] Add more choices for the reciprocal square root approximation
 917
 918         Allow a target to prefer such operation depending on the operation mode.
 919
 920         * config/aarch64/aarch64-protos.h
 921         (AARCH64_APPROX_MODE): New macro.
 922         (AARCH64_APPROX_{NONE,ALL}): Likewise.
 923         (cpu_approx_modes): New structure.
 924         (tune_params): New member "approx_modes".
 925         * config/aarch64/aarch64-tuning-flags.def
 926         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
 927         * config/aarch64/aarch64.c
 928         (generic_approx_modes): New core "cpu_approx_modes" structure.
 929         (exynosm1_approx_modes): Likewise.
 930         (xgene1_approx_modes): Likewise.
 931         (generic_tunings): New member "approx_modes".
 932         (cortexa35_tunings): Likewise.
 933         (cortexa53_tunings): Likewise.
 934         (cortexa57_tunings): Likewise.
 935         (cortexa72_tunings): Likewise.
 936         (exynosm1_tunings): Likewise.
 937         (thunderx_tunings): Likewise.
 938         (xgene1_tunings): Likewise.
 939         (use_rsqrt_p): New argument for the mode and use new member from
 940         "tune_params".
 941         (aarch64_builtin_reciprocal): Devise mode from builtin.
 942         (aarch64_optab_supported_p): New argument for the mode.
 943         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
 944
 945 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 946
 947         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
 948         RS6000_BTM_MODULO flag into the set of flags that are considered
 949         to be part of the common configuration.
 950
 951 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 952
 953         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
 954         difference unsigned.
 955         (vec_absdb): New macro for vector absolute difference unsigned
 956         byte.
 957         (vec_absdh): New macro for vector absolute difference unsigned
 958         half-word.
 959         (vec_absdw): New macro for vector absolute difference unsigned word.
 960         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
 961         (vadu<mode>3): New insn.
 962         (*p9_vadu<mode>3): New insn.
 963         * config/rs6000/rs6000-builtin.def (vadub): New built-in
 964         definition.
 965         (vaduh): New built-in definition.
 966         (vaduw): New built-in definition.
 967         (vadu): New overloaded built-in definition.
 968         (vadub): New overloaded built-in definition.
 969         (vaduh): New overloaded built-in definition.
 970         (vaduw): New overloaded built-in definition.
 971         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 972         overloaded vector absolute difference unsigned functions.
 973         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 974         the ISA 3.0 vector absolute difference unsigned built-in functions.
 975
 976 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
 977
 978         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
 979         update shared_lookup_references only once after changing operands.
 980
 981 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 982
 983         PR middle-end/71373
 984         * tree-nested.c (convert_nonlocal_omp_clauses)
 985         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
 986
 987         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
 988         * tree.def (CASE_LABEL_EXPR): Likewise.
 989
 990 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 991
 992         PR bootstrap/71481
 993         * input.c (test_builtins): Fix an assertion.
 994
 995 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 996
 997         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
 998         (paritysi2): Ditto.
 999         (isinfxf2): Ditto.
1000         (isinf<mode>2): Ditto.
1001
1002 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
1003
1004         * ggc-tests.c (test_finalization): Only test need_finalization_p
1005         for GCC_VERSION >= 4003.
1006
1007 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1008
1009         * config/s390/vecintrin.h: Fix file description in comment.
1010
1011 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1012
1013         * config/s390/s390-builtin-types.def: Change builtin type naming
1014         scheme to match builtin-types.def.
1015
1016 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
1017
1018         * fold-const.c (optimize_minmax_comparison): Remove.
1019         (fold_comparison): Remove call to the above.
1020         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
1021         New transformations.
1022
1023 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
1024
1025         PR tree-optimization/71416
1026         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
1027         multiple entries
1028
1029 2016-06-13  Martin Liska  <mliska@suse.cz>
1030
1031         * predict.c (enum predictor_reason): Prefix enum with REASON_.
1032         (combine_predictions_for_insn): Likewise.
1033         (prune_predictions_for_bb): Likewise.
1034         (combine_predictions_for_bb): Likewise.
1035
1036 2016-06-13  Richard Biener  <rguenther@suse.de>
1037
1038         PR tree-optimization/71505
1039         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
1040         assert match comment.
1041
1042 2016-06-13  Marek Polacek  <polacek@redhat.com>
1043
1044         PR middle-end/71476
1045         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
1046         gimplify_switch_expr.
1047         (warn_switch_unreachable_r): New function.
1048
1049 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1050
1051         PR target/71379
1052         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
1053         one.
1054
1055 2016-06-13  Richard Biener  <rguenther@suse.de>
1056
1057         PR middle-end/64516
1058         * fold-const.c (fold_unary_loc): Preserve alignment when
1059         folding a VIEW_CONVERT_EXPR into a MEM_REF.
1060
1061 2016-06-13  Martin Liska  <mliska@suse.cz>
1062
1063         PR sanitizer/71458
1064         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
1065         w/ -fsanitize=bounds.
1066
1067 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         * config/i386/i386.c (ix86_init_builtins): Calculate
1070         FLOAT128_FTYPE_CONST_STRING function type only once.
1071         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
1072         built-in functions are available for x86-32 and x86-64 targets.
1073
1074 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
1075
1076         PR target/71241
1077         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
1078         New primitive type.
1079         (FLOAT128_FTYPE_CONST_STRING): New function type.
1080         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
1081         [IX86_BUILTIN_NANSQ]: Ditto.
1082         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1083         (ix86_init_builtin_types): Declare const_string_type_node.
1084         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
1085         builtin functions.
1086         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
1087         * doc/extend.texi (x86 Built-in Functions): Document
1088         __builtin_nanq and __builtin_nansq.
1089
1090 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
1091
1092         PR target/71061
1093         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
1094         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
1095         length for pop patterns.
1096         (arm_attr_length_push_multi): Update comments.
1097         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
1098         attribute.
1099         (*pop_multiple_with_writeback_and_return): Likewise.
1100         (*pop_multiple_with_return): Likewise.
1101
1102 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
1103
1104         PR middle-end/71310
1105         * fold-const.c (optimize_bit_field_compare): Don't try to use
1106         word_mode unconditionally for reading the bit field, look at
1107         DECL_BIT_FIELD_REPRESENTATIVE instead.
1108
1109 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
1110
1111         PR middle-end/71478
1112         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
1113         vector integer type.
1114
1115 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1116
1117         PR middle-end/71494
1118         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1119         without LABEL_DECL, set *handled_ops_p to false instead of true.
1120
1121 2016-06-10  Martin Sebor  <msebor@redhat.com>
1122
1123         PR c/71392
1124         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
1125         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
1126         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
1127         them.
1128         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
1129         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
1130         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
1131         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
1132         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
1133         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
1134         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
1135         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
1136
1137 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1138
1139         * config/arm/arm.h (pool_vector_label,
1140         return_used_this_function): Remove.
1141
1142 2016-06-10  Jeff Law  <law@redhat.com>
1143
1144         PR tree-optimization/71335
1145         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
1146         zero length paths here.
1147         (convert_and_register_jump_thread_path): Remove hacks related to
1148         duplicated blocks in the jump thread path.
1149         (fsm_find_control_statement_thread_paths): Avoid putting the same
1150         block on the thread path twice, but ensure the thread path is
1151         unchanged from the caller's point of view.
1152
1153 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1154
1155         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
1156         * predict.def (PRED_LOOP_BRANCH): Remove.
1157
1158 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
1159
1160         * Makefile.in (OBJS): Add ggc-tests.o.
1161         (GTFILES): Add ggc-tests.c.
1162         * ggc-tests.c: New file.
1163         * selftest-run-tests.c (selftest::run_tests): Call
1164         selftest::ggc_tests_c_tests.
1165         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
1166
1167 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
1168
1169         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
1170
1171 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
1172
1173         PR sanitizer/71480
1174         * varasm.c (place_block_symbol): Adjust alignment for asan protected
1175         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
1176
1177 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1178
1179         * profile.c: Include cfgloop.h.
1180         (branch_prob): Compute estimated number of iterations.
1181         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
1182         recompute estimate number of iterations from profile.
1183
1184 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1185
1186         PR inline-asm/68843
1187         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
1188         must be grouped on top of stack.  Don't force early clobber
1189         on ordinary reg outputs.
1190
1191 2016-06-10  Richard Biener  <rguenther@suse.de>
1192
1193         * targhooks.c (default_builtin_vectorization_cost): Adjust
1194         vec_construct cost.
1195
1196 2016-06-10  Richard Biener  <rguenther@suse.de>
1197
1198         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1199         to fold the RHS to a constant if possible.
1200
1201 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1202
1203         PR middle-end/71373
1204         * tree-nested.c (convert_nonlocal_omp_clauses)
1205         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1206         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1207         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1208
1209         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1210         OMP_CLAUSE_TILE.
1211         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1212
1213         * omp-low.c (scan_sharing_clauses): Don't expect
1214         OMP_CLAUSE__CACHE_.
1215
1216 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1217
1218         PR tree-optimization/71407
1219         PR tree-optimization/71416
1220         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1221         BIT_FIELD_REF type.
1222
1223 2016-06-10  Richard Biener  <rguenther@suse.de>
1224
1225         PR middle-end/71477
1226         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1227
1228 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1229
1230         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1231
1232 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1233             Jiong Wang  <jiong.wang@arm.com>
1234
1235         PR rtl-optimization/70751
1236         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1237         spilled into memory.
1238
1239 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1240
1241         Revert:
1242         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1243
1244         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1245         sysroot/usr/lib/32api for additional win32 libraries,
1246         fixes failing Cygwin bootstrapping.
1247
1248 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1249
1250         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1251         Delete.
1252
1253 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1254
1255         PR bootstrap/71471
1256         * pretty-print.c (pp_indent): Specify that %p is printed in a
1257         host-dependent manner.
1258         (test_pp_format): Remove the test for %p.
1259
1260 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1261
1262         * config/mips/mips.c (mips_output_jump): Fix formatting.
1263
1264 2016-06-09  Richard Biener  <rguenther@suse.de>
1265
1266         PR tree-optimization/71462
1267         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1268         removed blocks.
1269
1270 2016-06-09  Martin Liska  <mliska@suse.cz>
1271
1272         * predict.c (dump_prediction): Add new argument.
1273         (enum predictor_reason): New enum.
1274         (struct predictor_hash): New struct.
1275         (predictor_hash::hash): New function.
1276         (predictor_hash::equal): Likewise.
1277         (not_removed_prediction_p): New function.
1278         (prune_predictions_for_bb): Likewise.
1279         (combine_predictions_for_bb): Prune predictions.
1280
1281 2016-06-09  Martin Liska  <mliska@suse.cz>
1282
1283         * predict.c (filter_predictions): New function.
1284         (remove_predictions_associated_with_edge): Use the filter
1285         function.
1286         (equal_edge_p): New function.
1287
1288 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1289
1290         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1291         Correct usage of @samp vs @option, add @samp where appropriate.
1292         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1293         Add armv6s-m and document it, as it is no official ARM name.
1294
1295 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1296
1297         * ifcvt.c (struct noce_if_info): Add transform_name field.
1298         (noce_try_move): Set if_info->transform_name to the function name.
1299         (noce_try_ifelse_collapse): Likewise.
1300         (noce_try_store_flag): Likewise.
1301         (noce_try_inverse_constants): Likewise.
1302         (noce_try_store_flag_constants): Likewise.
1303         (noce_try_addcc): Likewise.
1304         (noce_try_store_flag_mask): Likewise.
1305         (noce_try_cmove): Likewise.
1306         (noce_try_cmove_arith): Likewise.
1307         (noce_try_minmax): Likewise.
1308         (noce_try_abs): Likewise.
1309         (noce_try_sign_mask): Likewise.
1310         (noce_try_bitop): Likewise.
1311         (noce_convert_multiple_sets): Likewise.
1312         (noce_process_if_block): Print if_info->transform_name to
1313         dump_file if transformation succeeded.
1314
1315 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1316
1317         * config/arm/cortex-a57.md (cortex_a57_alu):
1318         Handle csel type.
1319
1320 2016-06-08  Martin Sebor  <msebor@redhat.com>
1321             Jakub Jelinek  <jakub@redhat.com>
1322
1323         PR c++/70507
1324         PR c/68120
1325         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1326         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1327         * builtins.c: Include gimple-fold.h.
1328         (fold_builtin_arith_overflow): Handle
1329         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1330         (fold_builtin_3): Likewise.
1331         * doc/extend.texi (Integer Overflow Builtins): Document
1332         __builtin_{add,sub,mul}_overflow_p.
1333
1334 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1335
1336         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1337         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1338
1339 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1340
1341         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1342         Rewrite, looking one level down for records and arrays.
1343
1344 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1345
1346         * pretty-print.c: Include "selftest.h".
1347         (pp_format): Fix comment.
1348         (identifier_to_locale): Likewise.
1349         (selftest::test_basic_printing): New function.
1350         (selftest::assert_pp_format): New function.
1351         (selftest::test_pp_format): New function.
1352         (selftest::pretty_print_c_tests): New function.
1353         * selftest-run-tests.c (selftest::run_tests): Call
1354         selftest::pretty_print_c_tests.
1355         * selftest.h (pretty_print_c_tests): New declaration.
1356
1357 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1358
1359         * invoke.texi (max-loop-headers-insns): Document.
1360         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1361         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1362         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1363
1364 2016-06-08  Richard Biener  <rguenther@suse.de>
1365
1366         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1367         on strided SLP loads and fall back to scalar loads in case
1368         we can't chunk them.
1369
1370 2016-06-08  Richard Biener  <rguenther@suse.de>
1371
1372         PR tree-optimization/71452
1373         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1374         type used for the SSA rewrite has enough precision to cover
1375         the dynamic type of the location.
1376
1377 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1378             Richard Biener  <rguenther@suse.de>
1379
1380         PR c++/71448
1381         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1382         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1383         in one further place.
1384
1385 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1386
1387         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1388         to one word if the field is known to overlap other words.
1389         (extract_bit_field_1): Likewise.
1390         (store_split_bit_field): Remove compensating code.
1391         (extract_split_bit_field): Likewise.
1392
1393 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1394
1395         PR debug/71432
1396         PR ada/71413
1397         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1398
1399 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1400
1401         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1402         VDQF.
1403         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1404         (arch64_addpv4sf): Delete.
1405         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1406         "gen_aarch64_addpv4sf".
1407         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1408         builtin.
1409         (vpadds_f32): Likewise.
1410         (vpaddq_f32): Likewise.
1411         (vpaddq_f64): Likewise.
1412
1413 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1414
1415         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1416         VALLF.
1417         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1418         to VALLF.  Rename to "fabd<mode>3".
1419         "*fabd_scalar<mode>3): Delete.
1420         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1421         Use builtin.
1422         (vabdd_f64): Likewise.
1423         (vabd_f32): Likewise.
1424         (vabd_f64): Likewise.
1425         (vabdq_f32): Likewise.
1426         (vabdq_f64): Likewise.
1427
1428 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1429
1430         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1431         VALLF.
1432         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1433         "aarch64_rsqrts<mode>".
1434         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1435         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1436         builtin.
1437         (vrsqrtsd_f64): Likewise.
1438         (vrsqrts_f32): Likewise.
1439         (vrsqrts_f64): Likewise.
1440         (vrsqrtsq_f32): Likewise.
1441         (vrsqrtsq_f64): Likewise.
1442
1443 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1444
1445         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1446         VALLF.
1447         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1448         "aarch64_rsqrte<mode>".
1449         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1450         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1451         builtin.
1452         (vrsqrted_f64): Likewise.
1453         (vrsqrte_f32): Likewise.
1454         (vrsqrte_f64): Likewise.
1455         (vrsqrteq_f32): Likewise.
1456         (vrsqrteq_f64): Likewise.
1457
1458 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1459
1460         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1461         (ucvtf): Likewise.
1462         (fcvtzs): Likewise.
1463         (fcvtzu): Likewise.
1464         * config/aarch64/aarch64-simd.md
1465         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1466         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1467         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1468         Use builtin.
1469         (vcvt_n_f32_u32): Likewise.
1470         (vcvt_n_s32_f32): Likewise.
1471         (vcvt_n_u32_f32): Likewise.
1472         (vcvtq_n_f32_s32): Likewise.
1473         (vcvtq_n_f32_u32): Likewise.
1474         (vcvtq_n_f64_s64): Likewise.
1475         (vcvtq_n_f64_u64): Likewise.
1476         (vcvtq_n_s32_f32): Likewise.
1477         (vcvtq_n_s64_f64): Likewise.
1478         (vcvtq_n_u32_f32): Likewise.
1479         (vcvtq_n_u64_f64): Likewise.
1480         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1481         (VSDQ_SDI): Likewise.
1482         (fcvt_target): Support V4DI, V4SI and V2SI.
1483         (FCVT_TARGET): Likewise.
1484
1485 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1486
1487         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1488         (TYPES_BINOP_SUS): Likewise.
1489         (aarch64_simd_builtin_data): Update include file name.
1490         (aarch64_builtins): Likewise.
1491         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1492         for conversion between scalar float-point and fixed-point.
1493         (ucvtf): Likewise.
1494         (fcvtzs): Likewise.
1495         (fcvtzu): Likewise.
1496         * config/aarch64/aarch64.md
1497         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1498         pattern for conversion between scalar float to fixed-pointer.
1499         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1500         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1501         (UNSPEC_FCVTZU): Likewise.
1502         (UNSPEC_SCVTF): Likewise.
1503         (UNSPEC_UCVTF): Likewise.
1504         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1505         Use builtin.
1506         (vcvtd_n_f64_u64): Likewise.
1507         (vcvtd_n_s64_f64): Likewise.
1508         (vcvtd_n_u64_f64): Likewise.
1509         (vcvtd_n_f32_s32): Likewise.
1510         (vcvts_n_f32_u32): Likewise.
1511         (vcvtd_n_s32_f32): Likewise.
1512         (vcvts_n_u32_f32): Likewise.
1513         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1514         mapping.
1515         (FCVT_TARGET): Likewise.
1516         (FCVT_FIXED2F): New iterator.
1517         (FCVT_F2FIXED): Likewise.
1518         (fcvt_fixed_insn): New define_int_attr.
1519
1520 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1521
1522         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1523         some statements was removed.
1524
1525 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1526
1527         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1528         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1529         (vect_can_advance_ivs_p): likewise.
1530         (vect_update_ivs_after_vectorizer): likewise.
1531         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1532         (vect_analyze_scalar_cycles_1): likewise.
1533         (vect_analyze_loop_operations): likewise.
1534         (report_vect_op): likewise.
1535         (vect_is_slp_reduction): likewise.
1536         (vect_is_simple_reduction): likewise.
1537         (get_initial_def_for_induction): likewise.
1538         (vect_transform_loop): likewise.
1539         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1540         (vect_recog_sad_pattern): likewise.
1541         (vect_recog_widen_sum_pattern): likewise.
1542         (vect_recog_widening_pattern): likewise.
1543         (vect_recog_divmod_pattern): likewise.
1544         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1545         (vect_analyze_slp_instance): likewise.
1546         (vect_transform_slp_perm_load): likewise.
1547         (vect_schedule_slp_instance): likewise.
1548
1549 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1550
1551         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1552         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1553         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1554         (PRED_LOOP_BRANCH): Document predictor as broken.
1555         (PRED_LOOP_EXIT): Change hitrate 91->92.
1556         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1557         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1558         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1559         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1560         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1561         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1562         (PRED_CALL): Chane hitrate 71->67.
1563         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1564         (PRED_GOTO): Document as unused right now.
1565         (PRED_CONST_RETURN): Change hitrate 67->69
1566         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1567         (PRED_NULL_RETURN): Change hitrate 91->90.
1568         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1569         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1570         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1571
1572 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1573
1574         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1575         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1576         special case Altivec builtin.
1577         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1578         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1579         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1580         code for ALTIVEC_BUILTIN_VEC_MUL.
1581         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1582         for __builtin_vec_mul.
1583
1584 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1585
1586         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1587         -mno-htm.
1588
1589 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1590
1591         * spellcheck.c (selftest::test_find_closest_string): New function.
1592         (spellcheck_c_tests): Call the above.
1593
1594 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1595
1596         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1597
1598 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1599
1600         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1601         Yv=Yv,C alternatives.
1602
1603 2016-06-07  Richard Biener  <rguenther@suse.de>
1604
1605         PR c/61564
1606         * common.opt (ffast-math): Make Optimization.
1607
1608 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1609             Prachi Godbole  <prachi.godbole@imgtec.com>
1610
1611         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1612         `fabs' and `fneg' type attributes.
1613         (p5600_fpu_fabs): Add `fmove' to the comment.
1614
1615 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1616
1617         * gimple.c: Include builtins.h
1618         (gimple_inexpensive_call_p): New function.
1619         * gimple.h (gimple_inexpensive_call_p): Declare.
1620         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1621         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1622         fix formatting.
1623
1624 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1625
1626         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1627         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1628         warning_at_rich_loc, warning_n, pedwarn, permerror,
1629         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1630         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1631         Use the above.
1632
1633 2016-06-07  Richard Biener  <rguenther@suse.de>
1634
1635         PR tree-optimization/71428
1636         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1637         BIT_FIELD_REF op vs. load.
1638
1639 2016-06-07  Richard Biener  <rguenther@suse.de>
1640
1641         PR middle-end/71423
1642         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1643         for signed ops.
1644
1645 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1646
1647         * config/pa/pa.md (call): Generate indirect long calls to non-local
1648         functions on TARGET_64BIT.
1649         (call_value): Likewise.
1650
1651 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1652
1653         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1654         pattern and subsequent splitters.
1655         (call_val_reg_64bit_post_reload): Likewise.
1656
1657 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1658
1659         PR middle-end/71408
1660         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1661         propagate_op_to_single_use.
1662
1663 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1664
1665         PR middle-end/71281
1666         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1667
1668 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1669
1670         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1671         (enum x86_dirflag_state): New enum.
1672         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1673         (machine_function): Remove needs_cld.
1674         (ix86_current_function_needs_cld): Remove.
1675         * config/i386/i386.c (ix86_set_func_type): Set
1676         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1677         (ix86_expand_prologue): Do not emit CLD here.
1678         (ix86_dirflag_mode_needed): New function.
1679         (ix86_dirflag_mode_entry): Ditto.
1680         (ix86_mode_needed): Handle X86_DIRFLAG entity.
1681         (ix86_mode_after): Ditto.
1682         (ix86_mode_entry): Ditto.
1683         (ix86_mode_exit): Ditto.
1684         (ix86_emit_mode_set): Ditto.
1685         * config/i386/i386.md (strmov_singleop): Set
1686         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1687         Do not set ix86_current_function_needs_cld.
1688         (rep_mov): Ditto.
1689         (strset_singleop): Ditto.
1690         (rep_stos): Ditto.
1691         (cmpstrnqi_nz_1): Ditto.
1692         (cmpstrnqi_1): Ditto.
1693         (strlenqi_1): Ditto.
1694
1695 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR tree-optimization/71259
1698         * tree-vect-slp.c (vect_get_constant_vectors): For
1699         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1700         one for constant op, and use COND_EXPR for non-constant.
1701
1702 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
1703
1704         * Makefile.in (OBJS): Add function-tests.o,
1705         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1706         selftest-run-tests.o.
1707         (OBJS-libcommon): Add selftest.o.
1708         (OBJS-libcommon-target): Add selftest.o.
1709         (all.internal): Add "selftest".
1710         (all.cross): Likewise.
1711         (selftest): New phony target.
1712         (s-selftest): New target.
1713         (selftest-gdb): New phony target.
1714         (COLLECT2_OBJS): Add selftest.o.
1715         * bitmap.c: Include "selftest.h".
1716         (selftest::test_gc_alloc): New function.
1717         (selftest::test_set_range): New function.
1718         (selftest::test_clear_bit_in_middle): New function.
1719         (selftest::test_copying): New function.
1720         (selftest::test_bitmap_single_bit_set_p): New function.
1721         (selftest::bitmap_c_tests): New function.
1722         * common.opt (fself-test): New.
1723         * diagnostic-show-locus.c: Include "selftest.h".
1724         (make_range): New function.
1725         (test_range_contains_point_for_single_point): New function.
1726         (test_range_contains_point_for_single_line): New function.
1727         (test_range_contains_point_for_multiple_lines): New function.
1728         (assert_eq): New function.
1729         (test_get_line_width_without_trailing_whitespace): New function.
1730         (selftest::diagnostic_show_locus_c_tests): New function.
1731         * et-forest.c: Include "selftest.h".
1732         (selftest::test_single_node): New function.
1733         (selftest::test_simple_tree): New function.
1734         (selftest::test_disconnected_nodes): New function.
1735         (selftest::et_forest_c_tests): New function.
1736         * fold-const.c: Include "selftest.h".
1737         (selftest::assert_binop_folds_to_const): New function.
1738         (selftest::assert_binop_folds_to_nonlvalue): New function.
1739         (selftest::test_arithmetic_folding): New function.
1740         (selftest::fold_const_c_tests): New function.
1741         * function-tests.c: New file.
1742         * gimple.c: Include "selftest.h".
1743         Include "gimple-pretty-print.h".
1744         (selftest::verify_gimple_pp): New function.
1745         (selftest::test_assign_single): New function.
1746         (selftest::test_assign_binop): New function.
1747         (selftest::test_nop_stmt): New function.
1748         (selftest::test_return_stmt): New function.
1749         (selftest::test_return_without_value): New function.
1750         (selftest::gimple_c_tests): New function.
1751         * hash-map-tests.c: New file.
1752         * hash-set-tests.c: New file.
1753         * input.c: Include "selftest.h".
1754         (selftest::assert_loceq): New function.
1755         (selftest::test_accessing_ordinary_linemaps): New function.
1756         (selftest::test_unknown_location): New function.
1757         (selftest::test_builtins): New function.
1758         (selftest::test_reading_source_line): New function.
1759         (selftest::input_c_tests): New function.
1760         * rtl-tests.c: New file.
1761         * selftest-run-tests.c: New file.
1762         * selftest.c: New file.
1763         * selftest.h: New file.
1764         * spellcheck.c: Include "selftest.h".
1765         (selftest::levenshtein_distance_unit_test_oneway): New function,
1766         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1767         (selftest::levenshtein_distance_unit_test): Likewise.
1768         (selftest::spellcheck_c_tests): Likewise.
1769         * toplev.c: Include selftest.h.
1770         (toplev::run_self_tests): New.
1771         (toplev::main): Handle -fself-test.
1772         * toplev.h (toplev::run_self_tests): New.
1773         * tree.c: Include "selftest.h".
1774         (selftest::test_integer_constants): New function.
1775         (selftest::test_identifiers): New function.
1776         (selftest::test_labels): New function.
1777         (selftest::tree_c_tests): New function.
1778         * tree-cfg.c: Include "selftest.h".
1779         (selftest::push_fndecl): New function.
1780         (selftest::test_linear_chain): New function.
1781         (selftest::test_diamond): New function.
1782         (selftest::test_fully_connected): New function.
1783         (selftest::tree_cfg_c_tests): New function.
1784         * vec.c: Include "selftest.h".
1785         (selftest::safe_push_range): New function.
1786         (selftest::test_quick_push): New function.
1787         (selftest::test_safe_push): New function.
1788         (selftest::test_truncate): New function.
1789         (selftest::test_safe_grow_cleared): New function.
1790         (selftest::test_pop): New function.
1791         (selftest::test_safe_insert): New function.
1792         (selftest::test_ordered_remove): New function.
1793         (selftest::test_unordered_remove): New function.
1794         (selftest::test_block_remove): New function.
1795         (selftest::reverse_cmp): New function.
1796         (selftest::test_qsort): New function.
1797         (selftest::vec_c_tests): New function.c.
1798         * wide-int.cc: Include selftest.h and wide-int-print.h.
1799         (selftest::from_int <wide_int>): New function.
1800         (selftest::from_int <offset_int>): New function.
1801         (selftest::from_int <widest_int>): New function.
1802         (selftest::assert_deceq): New function.
1803         (selftest::assert_hexeq): New function.
1804         (selftest::test_printing <VALUE_TYPE>): New function template.
1805         (selftest::test_ops <VALUE_TYPE>): New function template.
1806         (selftest::test_comparisons <VALUE_TYPE>): New function template.
1807         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1808         template.
1809         (selftest::wide_int_cc_tests): New function.
1810
1811 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1812
1813         PR middle-end/37780
1814         * ifcvt.c (noce_try_ifelse_collapse): New function.
1815         Declare prototype.
1816         (noce_process_if_block): Call noce_try_ifelse_collapse.
1817         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1818         (simplify_ternary_operation): Use the above to simplify
1819         conditional CLZ/CTZ expressions.
1820
1821 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1822
1823         PR middle-end/37780
1824         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1825         define_insn_and_split.
1826
1827 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1828
1829         PR middle-end/37780
1830         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1831
1832 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1833
1834         PR c/24414
1835         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1836         Implicitly clobber memory for basic asm with non-empty assembler
1837         string.  Use targetm.md_asm_adjust also here.
1838         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1839         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1840         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1841         non-empty assembler string.
1842         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1843         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1844         (decode_asm_operands): Handle basic asm in PARALLEL block.
1845         (extract_insn): Handle basic asm in PARALLEL block.
1846         * doc/extend.texi: Mention new behavior of basic asm.
1847         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1848         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1849         branch_needs_nop_p): Use asm_noperands.
1850
1851 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1852
1853         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1854         Include the M7 SPARC DFA scheduler.
1855         New attribute v3pipe.
1856         Annotate insns with v3pipe where appropriate.
1857         Define cpu_feature vis4.
1858         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1859         Add (V8QI "8") to vbits.
1860         Add insns {add,sub}v8qi3
1861         Add insns ss{add,sub}v8qi3
1862         Add insns us{add,sub}{v8qi,v4hi}3
1863         Add insns {min,max}{v8qi,v4hi,v2si}3
1864         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1865         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1866         * config/sparc/niagara4.md: Add a comment explaining the
1867         discrepancy between the documented latenty numbers and the
1868         implemented ones.
1869         * config/sparc/niagara7.md: New file.
1870         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1871         supports SPARC5 and VIS 4.0 instructions.
1872         * configure: Regenerate.
1873         * config.in: Likewise.
1874         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1875         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1876         TARGET_CPU_niagara7.
1877         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1878         (CPP_CPU_SPEC): Handle niagara7.
1879         (ASM_CPU_SPEC): Likewise.
1880         * config/sparc/sparc-opts.h (processor_type): Add
1881         PROCESSOR_NIAGARA7.
1882         (mvis4): New option.
1883         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1884         (AS_NIAGARA7_FLAG): Define.
1885         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1886         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1887         (CPP_CPU_SPEC): Handle niagara7.
1888         (ASM_CPU_SPEC): Likewise.
1889         * config/sparc/sparc.c (niagara7_costs): Define.
1890         (sparc_option_override): Handle niagara7 and adjust cache-related
1891         parameters with better values for niagara cpus.  Also support VIS4.
1892         (sparc32_initialize_trampoline): Likewise.
1893         (sparc_use_sched_lookahead): Likewise.
1894         (sparc_issue_rate): Likewise.
1895         (sparc_register_move_cost): Likewise.
1896         (dump_target_flag_bits): Support VIS4.
1897         (sparc_vis_init_builtins): Likewise.
1898         (sparc_builtins): Likewise.
1899         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1900         VIS4 4.0.
1901         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1902         UltraSparc M7.
1903         * config/sparc/sparc.opt (sparc_processor_type): New value
1904         niagara7.
1905         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1906         VIS4 builtins.
1907         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1908         -mvis4.
1909         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1910         VIS4 builtins.
1911
1912 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
1913
1914         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1915
1916 2016-06-06  Richard Biener  <rguenther@suse.de>
1917
1918         PR tree-optimization/71398
1919         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1920         remove edges.
1921
1922 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
1923
1924         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1925         ft32_expand_prolog, ft32_expand_epilogue):
1926         Handle pretend_args.
1927         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1928         * config/ft32/ft32.md: Add pretend_returner.
1929
1930 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
1931
1932         PR target/71389
1933         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1934         Copy op1 RTX to avoid invalid sharing.
1935         (ix86_expand_vector_move_misalign): Ditto.
1936
1937 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
1938
1939         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1940         ATTRIBUTE_UNUSED.
1941
1942 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1943
1944         * predict.c (predicted_by_loop_heuristics_p): New function.
1945         (predict_iv_comparison): Use it.
1946         (predict_loops): Walk from innermost loops; do not predict edges
1947         leaving multiple loops multiple times; implement
1948         PRED_LOOP_ITERATIONS_MAX heuristics.
1949         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1950
1951 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1952
1953         * cfg.c (check_bb_profile): Do not report mismatched profiles when
1954         only edges out of BB are EH edges.
1955
1956 2016-06-04  Martin Sebor  <msebor@redhat.com>
1957             Marcin Baczyński  <marbacz@gmail.com>
1958
1959         PR c/48116
1960         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1961         a void expression in a void function.
1962
1963 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1964
1965         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1966         aux; dump reasons of decisions.
1967         (should_duplicate_loop_header_p): Likewise.
1968         (do_while_loop_p): Likewise.
1969         (ch_base::copy_headers): Dump asi num insns duplicated.
1970
1971 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1972
1973         PR tree-optimization/71405
1974         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1975         incompatible type, build a new clobber with the right type instead
1976         of building a VIEW_CONVERT_EXPR around it.
1977
1978 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1979
1980         PR tree-optimization/52171
1981         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1982         by_pieces_ninsns instead of move_by_pieces_ninsns.
1983
1984 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1985
1986         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1987         for reg+reg addressing mode.
1988
1989 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1990
1991         * rs6000-c.c (c/c-tree.h): Add #include.
1992         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
1993         in C++ when found in the base position of vec_ld or vec_st.
1994
1995 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1996
1997         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
1998         use of profile unless profile status is PROFILE_READ.
1999         * profile.c (compute_branch_probabilities): Set profile status
2000         only after reporting predictor hitrates.
2001
2002 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
2003
2004         PR target/71276
2005         PR target/71277
2006         * common.opt (ffp-int-builtin-inexact): New option.
2007         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
2008         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
2009         (ceil@var{m}2): Document dependence on this option.
2010         * ipa-inline-transform.c (inline_call): Handle
2011         flag_fp_int_builtin_inexact.
2012         * ipa-inline.c (can_inline_edge_p): Likewise.
2013         * config/i386/i386.md (rintxf2): Do not test
2014         flag_unsafe_math_optimizations.
2015         (rint<mode>2_frndint): New define_insn.
2016         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
2017         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
2018         for 387 instead of extending and truncating.
2019         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
2020         !flag_trapping_math instead of flag_unsafe_math_optimizations.
2021         Change to frndint<mode>2_<rounding>.
2022         (frndintxf2_<rounding>_i387): Likewise.  Change to
2023         frndint<mode>2_<rounding>_i387.
2024         (<rounding_insn>xf2): Likewise.
2025         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
2026         !flag_trapping_math instead of flag_unsafe_math_optimizations for
2027         x87.  Test TARGET_ROUND || !flag_trapping_math ||
2028         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
2029         SSE.  Use ROUND_NO_EXC in constant operand of
2030         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
2031         for 387 instead of extending and truncating.
2032
2033 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2034             Julia Koval  <julia.koval@intel.com>
2035
2036         PR target/66960
2037         PR target/67630
2038         PR target/67634
2039         PR target/67841
2040         PR target/68037
2041         PR target/68618
2042         PR target/68661
2043         PR target/69575
2044         PR target/69596
2045         PR target/69734
2046         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
2047         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
2048         all registers, except for function return registers if there are
2049         no caller-saved registers.
2050         (ix86_set_func_type): New function.
2051         (ix86_set_current_function): Call ix86_set_func_type to set
2052         no_caller_saved_registers and func_type.  Call reinit_regs if
2053         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
2054         nor x87 instructions in interrupt handler nor function with
2055         no_caller_saved_registers attribute.
2056         (ix86_function_ok_for_sibcall): Return false if there are no
2057         caller-saved registers.
2058         (type_natural_mode): Don't warn ABI change for MMX in interrupt
2059         handler.
2060         (ix86_function_arg_advance): Skip for callee in interrupt handler.
2061         (ix86_function_arg): Return special arguments in interrupt handler.
2062         (ix86_promote_function_mode): Promote pointer to word_mode only
2063         for normal functions.
2064         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
2065         interrupt handler.
2066         (ix86_epilogue_uses): New function.
2067         (ix86_hard_regno_scratch_ok): Likewise.
2068         (ix86_save_reg): Preserve all registers in interrupt handler
2069         after reload.  Preserve all registers, except for function return
2070         registers, if there are no caller-saved registers after reload.
2071         (find_drap_reg): Always use callee-saved register if there are
2072         no caller-saved registers.
2073         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
2074         for interrupt handler.
2075         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
2076         Emit cld instruction if stringops are used in interrupt handler
2077         or interrupt handler isn't a leaf function.
2078         (ix86_expand_epilogue): Generate interrupt return for interrupt
2079         handler and pop the 'ERROR_CODE' off the stack before interrupt
2080         return in exception handler.
2081         (ix86_expand_call): Disallow calling interrupt handler directly.
2082         If there are no caller-saved registers, mark all registers that
2083         are clobbered by the call which returns as clobbered.
2084         (ix86_handle_no_caller_saved_registers_attribute): New function.
2085         (ix86_handle_interrupt_attribute): Likewise.
2086         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
2087         attributes.
2088         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
2089         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
2090         accumulation in interrupt function if stack may be realigned to
2091         avoid DRAP.
2092         (EPILOGUE_USES): New.
2093         (function_type): New enum.
2094         (machine_function): Add func_type and no_caller_saved_registers.
2095         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
2096         (interrupt_return): New pattern.
2097         * doc/extend.texi: Document x86 interrupt and
2098         no_caller_saved_registers attributes.
2099
2100 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
2101
2102         PR tree-optimization/52171
2103         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
2104         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
2105         Look for constant strings.  Move some code to emit_block_cmp_hints
2106         and use it.
2107         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
2108         * defaults.h (COMPARE_MAX_PIECES): New macro.
2109         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
2110         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
2111         (clear_by_pieces_1): Don't declare.  Move definition before use.
2112         (can_do_by_pieces): New static function.
2113         (can_move_by_pieces): Use it.  Return bool.
2114         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
2115         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
2116         (class pieces_addr); New.
2117         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
2118         pieces_addr::adjust, pieces_addr::increment_address,
2119         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
2120         functions for it.
2121         (class op_by_pieces_d): New.
2122         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
2123         functions for it.
2124         (class move_by_pieces_d, class compare_by_pieces_d,
2125         class store_by_pieces_d): New subclasses of op_by_pieces_d.
2126         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
2127         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
2128         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
2129         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
2130         compare_by_pieces_d::finish_mode): New member functions.
2131         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
2132         functions.
2133         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
2134         (emit_block_cmp_hints): New function.
2135         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
2136         use the newly defined classes.
2137         * expr.h (by_pieces_constfn): New typedef.
2138         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
2139         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
2140         (move_by_pieces_ninsns): Don't declare.
2141         (can_move_by_pieces): Change return value to bool.
2142         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
2143         (compare_by_pieces_branch_ratio): New hook.
2144         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
2145         (by_pieces_ninsns): Declare.
2146         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
2147         COMPARE_BY_PIECES.
2148         (default_compare_by_pieces_branch_ratio): New function.
2149         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
2150         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
2151         * doc/tm.texi: Regenerate.
2152         * tree-ssa-strlen.c: Include "builtins.h".
2153         (handle_builtin_memcmp): New static function.
2154         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
2155         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
2156
2157 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2158
2159         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
2160         relevant stmts which are simple and invariant.
2161         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
2162         instead of simple and invariant
2163
2164 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2165
2166         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
2167         (vectorizable_reduction): Check for new relevant state.
2168         (vectorizable_live_operation): vectorize live stmts using
2169         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
2170         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
2171         (vect_stmt_relevant_p): Check for stmts which are only used live.
2172         (process_use): Use of a stmt does not inherit it's live value.
2173         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
2174         (vect_analyze_stmt): Check for new relevant state.
2175         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
2176         outside the loop, but not inside it.
2177
2178 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2179
2180         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
2181         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
2182         (vect_get_vec_def_for_operand): Split out code.
2183
2184 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2185
2186         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
2187
2188 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2189
2190         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
2191
2192 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2193
2194         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2195
2196 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2197
2198         PR middle-end/71387
2199         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2200         to noreturn e->callee->decl that has void return type and void
2201         arguments, adjust gimple_call_fntype and remove lhs even if it had
2202         previously addressable type.
2203
2204 2016-06-02  Jeff Law  <law@redhat.com>
2205
2206         PR tree-optimization/71328
2207         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2208         error when checking for a jump back onto the copied path.
2209
2210 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2211
2212         * config/microblaze/microblaze.c (get_branch_target): Add return
2213         NULL_RTX for the non-CALL_P case.
2214         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2215         (insert_wic): Remove unused local "j".
2216
2217 2016-06-02  Martin Liska  <mliska@suse.cz>
2218
2219         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2220
2221 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2222             Julia Koval  <julia.koval@intel.com>
2223
2224         * function.c (assign_parm_setup_stack): Force source into a
2225         register if needed.
2226         * target.def (function_incoming_arg): Update documentation to
2227         allow arbitrary address computation based on hard register.
2228         * doc/tm.texi: Regenerated.
2229
2230 2016-06-02  Martin Liska  <mliska@suse.cz>
2231
2232         * predict.c (combine_predictions_for_bb): Fix first match in
2233         cases where a first predictor contains more than one occurence
2234         in list of predictors.  Take the best value in such case.
2235
2236 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2237
2238         PR rtl-optimization/71295
2239         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2240         offset would go over the size of the inner mode reject it.
2241
2242 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2243
2244         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2245         x=x,x and v=v,m instead of x=x,m.
2246
2247         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2248         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2249         alternative to v=rm,C.
2250
2251         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2252         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2253         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2254         instead of vex for the last two above mentioned alternatives.
2255
2256 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2257
2258         PR target/70830
2259         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2260
2261 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2262
2263         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2264
2265 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2266
2267         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2268         from int to unsigned.
2269
2270 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2271
2272         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2273         alternatives, eliminating preferred register class.  Add support
2274         for the MTVSRDD instruction in ISA 3.0.
2275         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2276         reg_or_indexed_operand.
2277         (vsx_splat_v4sf_internal): Likewise.
2278
2279 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2280
2281         PR target/71186
2282         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2283         for loading up all 0's or all 1's.
2284
2285 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2286
2287         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2288
2289 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2290
2291         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2292         extension.
2293         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2294         * gcc.c (set_source_date_epoch_envvar): New function, sets
2295         the SOURCE_DATE_EPOCH environment variable to the current time.
2296
2297 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2298
2299         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2300         the factor for live Phi nodes.
2301
2302 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2303
2304         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2305         * tree-parloops.c (parallelize_loops): likewise.
2306         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2307         tree_unswitch_outer_loop): likewise.
2308
2309 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2310
2311         PR middle-end/71371
2312         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2313         around creation of the temporary.
2314
2315 2016-06-01  Richard Biener  <rguenther@suse.de>
2316
2317         PR tree-optimization/71366
2318         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2319         (unloop_loops): Move removing edges here ...
2320         (try_unroll_loop_completely): ... from here.
2321         (try_peel_loop): ... and here.
2322         (tree_unroll_loops_completely_1): Track parent loops via
2323         bitmap of header BBs.
2324         (tree_unroll_loops_completely): Adjust for that.
2325
2326 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2327
2328         * config/rs6000/altivec.h (vec_slv): New macro.
2329         (vec_srv): New macro.
2330         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2331         (UNSPEC_VSRV): New value.
2332         (vslv): New insn.
2333         (vsrv): New insn.
2334         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2335         (vsrv): New builtin definition.
2336         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2337         define argument types for new builtin.
2338         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2339         new builtin.
2340         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2341         functions.
2342
2343 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2344             Jocelyn Mayer  <l_indien@magic.fr>
2345
2346         PR target/67310
2347         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2348         detect processor family for signature_CENTAUR_ebx.
2349         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2350         signature_CENTAUR_ebx.
2351         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2352         <default>: Pass x86-64 for has_longmode.
2353
2354 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2355
2356         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2357         undefined weak.
2358
2359 2016-06-01  Richard Biener  <rguenther@suse.de>
2360
2361         PR tree-optimization/71261
2362         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2363         of stmts successfully put in the bool pattern.  Remove
2364         single-use restriction.
2365         (adjust_bool_pattern_cast): Add cast at the use site via the
2366         pattern def sequence.
2367         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2368         of patterned defs.  Use the pattern def seqence instead of
2369         multiple independent patterns.
2370         (sort_after_uid): New qsort compare function.
2371         (adjust_bool_stmts): New function to process stmts in the bool
2372         pattern in IL order.
2373         (vect_recog_bool_pattern): Adjust.
2374         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2375         (ifcvt_walk_pattern_tree): Likewise.
2376         (stmt_is_root_of_bool_pattern): Likewise.
2377         (ifcvt_repair_bool_pattern): Likewise.
2378         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2379
2380 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2381
2382         * loop-unroll.c (decide_unroll_constant_iterations,
2383         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2384         likely upper bounds.
2385         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2386
2387 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2388
2389         * tree-core.h (enum omp_clause_code): Remove
2390         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2391
2392 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2393
2394         * config/arm/sync.md (arm_store_exclusive<mode>):
2395         Use 'H' output modifier on operands[2] rather than creating a new
2396         entry in out-of-bounds memory of the operands array.
2397         (arm_store_release_exclusivedi): Likewise.
2398
2399 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2400
2401         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2402         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2403         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2404         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2405
2406 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2407
2408         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2409         into account live statements for mask producers.
2410
2411 2016-06-01  Richard Biener  <rguenther@suse.de>
2412
2413         PR tree-optimization/71311
2414         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2415         restrict to non-INTEGER_CST @0.
2416
2417 2016-06-01  Richard Biener  <rguenther@suse.de>
2418
2419         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2420         (relational patterns): Use :c to avoid pattern duplications.
2421
2422 2016-06-01  Richard Biener  <rguenther@suse.de>
2423
2424         * genmatch.c (comparison_code_p): New predicate.
2425         (swap_tree_comparison): New function.
2426         (commutate): Add for_vec parameter to append new for entries.
2427         Support commutating relational operators by swapping it alongside
2428         operands.
2429         (lower_commutative): Adjust.
2430         (dt_simplify::gen): Do not pass artificial operators to gen
2431         functions.
2432         (decision_tree::gen): Do not add artificial operators as parameters.
2433         (parser::parse_expr): Verify operator commutativity when :c is
2434         applied.  Allow :C to override this.
2435         * match.pd: Adjust patterns to use :C instead of :c where required.
2436
2437 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2438
2439         PR tree-optimization/71077
2440         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2441         the combining step, use boolean_false_node and boolean_true_node
2442         as the designated false/true return values.
2443
2444 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2445
2446         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2447         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2448         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2449         PRED_LOOP_EXIT.
2450
2451 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2452
2453         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2454         of flags impliying the register renaming.
2455         * toplev.c (process_options): Do not imply flag_rename_registers with
2456         loop peeling.
2457
2458 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2459
2460         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2461         default implementation.
2462
2463 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2464
2465         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2466
2467 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2468
2469         * config/sh/constraints.md (b): Remove constraint.
2470         * config/sh/predicates.md (arith_reg_operand): Remove
2471         TARGET_REGISTER_P.
2472         * config/sh/sh-modes.def (PDI): Remove.
2473         * config/sh/sh.c (sh_target_reg_class,
2474         sh_optimize_target_register_callee_saved): Remove functions.
2475         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2476         (sh_expand_epilogue): Update comment.
2477         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2478         sh_secondary_reload): Remove TARGET_REGS related code.
2479         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2480         TARGET_REGISTER_P): Remove macros.
2481         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2482         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2483         TR1_REG, TR2_REG): Remove constants.
2484         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2485
2486 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2487
2488         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2489         define_expand patterns.
2490         (adddi3_compact): Rename to adddi3.
2491         (subdi3_compact): Rename to subdi3.
2492         (*negdi2): Rename to negdi2.
2493         (*abs<mode>2): Rename to abs<mode>2.
2494
2495 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2496
2497         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2498         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2499         (atomic_sub_fetchsi): ... this new pattern.
2500         (mvtc): Add CC_REG clobber.
2501
2502 2016-05-31  Marek Polacek  <polacek@redhat.com>
2503
2504         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2505
2506 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2507
2508         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2509         aarch64_fusion_enabled_p to check for fusion capabilities.
2510
2511 2016-05-31  Richard Biener  <rguenther@suse.de>
2512
2513         PR tree-optimization/71352
2514         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2515         minus one and a negate.
2516
2517 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2518
2519         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2520         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2521         Delete prototype.
2522         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2523         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2524         Remove use of aarch64_simd_attr_length_move, set length attribute
2525         directly.
2526         (*aarch64_be_movoi): Likewise.
2527         (*aarch64_be_movci): Likewise.
2528         (*aarch64_be_movxi): Likewise.
2529
2530 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2531
2532         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2533         It no longer does that.
2534         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2535
2536 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2537
2538         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2539         attribute __unused__.
2540
2541 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2542
2543         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2544         * config/arm/arm.c (arm_arch_thumb1): Define.
2545         (arm_option_override): Initialize arm_arch_thumb1.
2546         * config/arm/arm.h (arm_arch_thumb1): Declare.
2547         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2548         support Thumb-1 ISA.
2549
2550 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2551
2552         PR target/71346
2553         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2554         `Yv' for scalar operand.
2555
2556 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2557
2558         PR tree-optimization/69068
2559         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2560         phis with more than two args.
2561
2562 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2563
2564         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2565         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2566         target.
2567
2568 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2569
2570         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2571         tune_64.
2572         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2573         support on SPARC.
2574         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2575         cpu_32, cpu_64, tune_32 and tune_64.
2576         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2577
2578 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2579
2580         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2581
2582 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2583
2584         * auto-profile.c (read_profile): Replace asserts with errors
2585         when file does not exist.
2586         * gcov-io.c (gcov_read_words): Dito.
2587
2588 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2589
2590         * tree-cfg.c (print_loop): Print likely upper bounds.
2591
2592 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2593
2594         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2595         * opts.c (default_options): Enable peel loops at -O3.
2596         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2597         (try_peel_loop): Do not re-peel already peeled loops;
2598         use likely upper bounds; fix profile updating.
2599         (pass_complete_unroll::execute): Initialize peeled_loops.
2600
2601 2016-05-30  Martin Liska  <mliska@suse.cz>
2602
2603         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2604         computed costs by frequency of BB they belong to.
2605         (get_scaled_computation_cost_at): New function.
2606
2607 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2608             Marc Glisse  <marc.glisse@inria.fr>
2609
2610         PR tree-optimization/71289
2611         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2612
2613 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2614
2615         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2616
2617 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2618
2619         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2620         for peeled copies; avoid underflow when updating estimates; correctly
2621         scale loop profile.
2622
2623 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2624
2625         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2626         r236875. Corrected oe3 to oe2 as obvious.
2627
2628 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2629
2630         PR middle-end/71269
2631         PR middle-end/71252
2632         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2633         that inserted stmt will not dominate stmts that defines its operand.
2634         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2635         (rewrite_expr_tree_parallel): Likewise.
2636
2637 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2638
2639         PR middle-end/71252
2640         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2641         all fields including stmt_to_insert are swapped.
2642
2643 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2644
2645         * predict.h (force_edge_cold): Declare.
2646         * predict.c (force_edge_cold): New function.
2647         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2648         updating.
2649         (canonicalize_loop_induction_variables): Fix formating.
2650
2651 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2652
2653         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2654         (visium_expand_copysign): Use gen_int_mode directly.
2655         (visium_compute_frame_size): Minor tweaks.
2656
2657 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2658
2659         * tree-vect-loop.c (vect_analyze_loop_2): Use
2660         likely_max_stmt_executions_int.
2661
2662 2016-05-30  Tom de Vries  <tom@codesourcery.com>
2663
2664         PR tree-optimization/69067
2665         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2666
2667 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
2668
2669         PR target/71245
2670         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2671         New peepholes to remove unneeded fild/fistp pairs.
2672         (define_peephole2 atomic_loaddi_fpu): Ditto.
2673
2674 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2675
2676         * predict.c (maybe_hot_frequency_p): Avoid division.
2677
2678 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
2679
2680         * doc/install.texi: Use https for shop.fsf.org.
2681
2682 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2683
2684         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2685         likely_max_stmt_executions_int.
2686
2687 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2688
2689         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2690         likely_max_stmt_executions_int.
2691
2692 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2693
2694         * profile.c (compute_branch_probabilities): Do not report hitrates
2695         here.
2696         (branch_prob): Report hitrates here.
2697         * predict.c (gimple_predict_edge): Do not assert profile status;
2698         fix formatting issues.
2699
2700 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2701
2702         * predict.c (edge_predicted_by_p): New function.
2703         (predict_paths_for_bb): Do not put multiple predictions of the same type
2704         on one edge.
2705
2706 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2707
2708         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2709         commit.
2710
2711 2016-05-28  Alan Modra  <amodra@gmail.com>
2712
2713         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2714
2715 2016-05-28  Alan Modra  <amodra@gmail.com>
2716
2717         PR rtl-optimization/71275
2718         * ira.c (ira): Free dominance info.
2719
2720 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
2721
2722         * doc/sourcebuild.texi: New address for upstream Go repository.
2723
2724 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2725
2726         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2727         (TARGET_ARM_V7M): Likewise.
2728
2729 2016-05-26  Jeff Law  <law@redhat.com>
2730
2731         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2732         (thread_across_edge): Remove calls to find_jump_threads_backwards.
2733         * passes.def: Add jump threading passes before DOM/VRP.
2734         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2735         argument to a basic block from an edge.  Remove tests which are
2736         handled elsewhere.
2737         (pass_data_thread_jumps, class pass_thread_jumps): New.
2738         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2739         (make_pass_thread_jumps): Likewise.
2740         * tree-pass.h (make_pass_thread_jumps): Declare.
2741
2742 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2743
2744         * config/visium/visium-protos.h (split_double_move): Rename into...
2745         (visium_split_double_move): ...this.
2746         (visium_split_double_add): Declare.
2747         * config/visium/visium.c (split_double_move): Rename into...
2748         (visium_split_double_move): ...this.
2749         (visium_split_double_add): New function.
2750         (visium_expand_copysign): Renumber operands for consistency.
2751         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2752         (DFmode move splitter): Likewise.
2753         (*addi3_insn): Split by means of visium_split_double_add.
2754         (*adddi3_insn_flags): Delete.
2755         (*plus_plus_sltu<subst_arith>): New insn.
2756         (*subdi3_insn): Split by means of visium_split_double_add.
2757         (subdi3_insn_flags): Delete.
2758         (*minus_minus_sltu<subst_arith>): New insn.
2759         (*negdi2_insn): Split by means of visium_split_double_add.
2760         (*negdi2_insn_flags): Delete.
2761
2762 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
2763
2764         * configure.ac: Treat a --with-headers option without argument
2765         the same as the default (i.e. consult sys-include directory).
2766         * configure: Regenerate.
2767
2768 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2769
2770         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2771         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2772         prototype.
2773         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2774         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2775
2776 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2777
2778         PR target/63596
2779         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2780         tree-stdarg analysis results.
2781         (aarch64_setup_incoming_varargs): Likewise.
2782
2783 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2784
2785         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2786         va_list_gpr_counter_field and va_list_fpr_counter_field.
2787
2788 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
2789
2790         PR67609
2791         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2792         * config/aarch64/aarch64.c
2793         (aarch64_cannot_change_mode_class): Remove function.
2794         * config/aarch64/aarch64-protos.h
2795         (aarch64_cannot_change_mode_class): Remove.
2796
2797 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2798
2799         * cfgloop.c (record_niter_bound): Record likely upper bounds.
2800         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2801         get_likely_max_loop_iterations_int): New.
2802         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2803         any_likely_upper_bound.
2804         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2805         Declare.
2806         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2807         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2808         upper bound.
2809         (unroll_loop_constant_iterations): Likewise.
2810         (unroll_loop_runtime_iterations): Likewise.
2811         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2812         * lto-streamer-out.c (output_cfg): Likewise.
2813         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2814         bounds.
2815         (canonicalize_loop_induction_variables): Dump likely upper bounds.
2816         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2817         (likely_max_loop_iterations): New.
2818         (likely_max_loop_iterations_int): New.
2819         (likely_max_stmt_executions): New.
2820         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2821         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2822         likely_max_stmt_executions): Declare.
2823
2824 2016-05-27  Marek Polacek  <polacek@redhat.com>
2825
2826         PR middle-end/71308
2827         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2828
2829 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2830
2831         * config/s390/s390.md (2x risbg splitters): Use
2832         reg_overlap_mentioned_p instead of rtx_equal_p.
2833
2834 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2835
2836         * combine.c (make_compound_operation): Take known zero bits into
2837         account when checking for possible zero_extend.
2838
2839 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2840
2841         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2842         Use const_int_operand for operand 2 predicate.  Simplify expand code
2843         as a result.
2844
2845 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
2846
2847         PR middle-end/71279
2848         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2849         into comparison.
2850
2851 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2852
2853         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2854         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2855         that returns CC_SESWPmode and CC_ZESWPmode.
2856         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2857         and CC_SESWPmode.
2858         (aarch64_rtx_costs): Likewise.
2859
2860 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2861
2862         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2863         for ISA 3.0 min/max support.
2864         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2865         conditional move support.
2866         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2867         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2868         available.
2869         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2870         conditional moves where the comparison type is different from move
2871         type.
2872         (fp_minmax): New code iterator for smin/smax.
2873         (minmax): New code attributes for min/max.
2874         (SMINMAX): Likewise.
2875         (smax<mode>3): Combine min, max insns into one insn using the
2876         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2877         instructions that don't need -ffast-math.
2878         (s<minmax><mode>3): Likewise.
2879         (smax<mode>3_vsx): Likewise.
2880         (smin<mode>3): Likewise.
2881         (s<minmax><mode>3_vsx): Likewise.
2882         (smin<mode>3_vsx): Likewise.
2883         (pre-VSX min/max splitters): Likewise.
2884         (s<minmax><mode>3_fpr): Likewise.
2885         (movsfcc): Rewrite floating point conditional moves to combine
2886         SFmode/DFmode into a single insn.
2887         (mov<mode>cc): Likewise.
2888         (movdfcc): Likewise.
2889         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2890         SFDF2 iterators to handle all combinations.
2891         (fseldfsf4): Likewise.
2892         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2893         (fseldfdf4): Likewise.
2894         (fselsfdf4): Likewise.
2895         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2896         comparison instructions that set a 0/-1 mask, and use it for
2897         floating point conditional move via XXSEL.
2898         (fpmask<mode>): Likewise.
2899         (xxsel<mode>): Likewise.
2900         * config/rs6000/predicates.md (min_max_operator): Delete, no
2901         longer used.
2902         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2903         instructions that generate a 0/-1 mask for use with XXSEL.
2904         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2905         say whether floating point min/max is available, either through
2906         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2907         (TARGET_MINMAX_DF): Likewise.
2908
2909 2016-05-27  Alan Modra  <amodra@gmail.com>
2910
2911         PR rtl-optimization/71275
2912         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2913         for update_equiv_regs and combine_and_move_insns.
2914
2915 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
2916
2917         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2918         if_then_else or cond RTXes to calculate attribute value.
2919         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2920         <attr "length_immediate>: Ditto.
2921         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2922         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2923         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2924         <attr "type">: Ditto.
2925         <attr "prefix_data16">: Ditto.
2926         <attr "prefix_extra">: Ditto.
2927         <attr "length_immediate">: Ditto.
2928         <attr "prefix">: Ditto.
2929         (vec_set<mode>_0) <attr "isa">: Ditto.
2930         <attr "prefix_extra">: Ditto.
2931         <attr "length_immediate">: Ditto.
2932         <attr "prefix">: Ditto.
2933         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2934         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2935         (sse2_storelpd) <attr "prefix_data16">: Ditto.
2936         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2937         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2938         <attr "length_immediate">: Ditto.
2939         <attr "prefix">: Ditto.
2940         (sse2_movsd) <attr "length_immediate">: Ditto.
2941         <attr "prefix">: Ditto.
2942         (vec_concatv2df)  <attr "isa">: Ditto.
2943         <attr "prefix">: Ditto.
2944         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2945         (*vec_extractv2di_1) <attr "isa">: Ditto.
2946         <attr "type">: Ditto.
2947         <attr "length_immediate">: Ditto.
2948         <attr "prefix_rex">: Ditto.
2949         <attr "prefix_extra">: Ditto.
2950         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2951         <attr "prefix_extra">: Ditto.
2952         <attr "length_immediate">: Ditto.
2953         (vec_concatv2di) <attr "isa">: Ditto.
2954         <attr "prefix_extra">: Ditto.
2955         <attr "length_immediate">: Ditto.
2956         <attr "prefix">: Ditto.
2957
2958 2016-05-26  Martin Liska  <mliska@suse.cz>
2959
2960         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2961         function.
2962         (operator+): Likewise.
2963         (operator-): Likewise.
2964         (comp_cost::operator+=): Likewise.
2965         (comp_cost::operator-=): Likewise.
2966         (comp_cost::operator/=): Likewise.
2967         (comp_cost::operator*=): Likewise.
2968         (operator<): Likewise.
2969         (operator==): Likewise.
2970         (operator<=): Likewise.
2971         (new_cost): Remove.
2972         (infinite_cost_p): Likewise.
2973         (add_costs): Likewise.
2974         (sub_costs): Likewise.
2975         (compare_costs): Likewise.
2976         (set_group_iv_cost): Use the newly introduced functions.
2977         (get_address_cost): Likewise.
2978         (get_shiftadd_cost): Likewise.
2979         (force_expr_to_var_cost): Likewise.
2980         (split_address_cost): Likewise.
2981         (ptr_difference_cost): Likewise.
2982         (difference_cost): Likewise.
2983         (get_computation_cost_at): Likewise.
2984         (determine_group_iv_cost_generic): Likewise.
2985         (determine_group_iv_cost_address): Likewise.
2986         (determine_group_iv_cost_cond): Likewise.
2987         (autoinc_possible_for_pair): Likewise.
2988         (determine_group_iv_costs): Likewise.
2989         (cheaper_cost_pair): Likewise.
2990         (iv_ca_recount_cost): Likewise.
2991         (iv_ca_set_no_cp): Likewise.
2992         (iv_ca_set_cp): Likewise.
2993         (iv_ca_cost): Likewise.
2994         (iv_ca_new): Likewise.
2995         (iv_ca_dump): Likewise.
2996         (iv_ca_narrow): Likewise.
2997         (iv_ca_prune): Likewise.
2998         (iv_ca_replace): Likewise.
2999         (try_add_cand_for): Likewise.
3000         (try_improve_iv_set): Likewise.
3001         (find_optimal_iv_set): Likewise.
3002
3003 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
3004
3005         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
3006         that internal functions will clobber all caller-saved registers.
3007
3008 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3009
3010         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
3011         Return a better case_values_threshold when optimizing.
3012
3013 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
3014
3015         * config/aarch64/aarch64-simd.md (aarch64_combinez):
3016         Add ? to integer variant.
3017         (aarch64_combinez_be): Likewise.
3018
3019 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
3020
3021         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
3022         instead of x constraint.
3023         (vcvtps2ph256<mask_name>): Likewise.
3024
3025         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
3026         alternative.  Formatting fix.
3027
3028         * config/i386/sse.md
3029         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
3030         to ...
3031         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
3032         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
3033         maybe_evex prefix instead of vex.
3034         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
3035         EXT_REX_SSE_REG_P (op0) case in the splitter.
3036
3037 2016-05-25  Jeff Law  <law@redhat.com>
3038
3039         PR tree-optimization/71272
3040         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
3041         Update comments.  Add test for empty path.
3042
3043 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
3044
3045         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
3046         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
3047         special case builtin.
3048         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
3049         code for ALTIVEC_BUILTIN_VEC_CMPNE.
3050         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
3051         for __builtin_vec_cmpne.
3052
3053 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3054
3055         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
3056         redundant test and bail out if the type of the new operand is not
3057         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
3058
3059 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3060
3061         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
3062         (x_ix86_target_flags_explicit): Remove.
3063         * config/i386/i386.c (ix86_function_specific_save): Do not copy
3064         x_ix86_target_flags_explicit.
3065         (ix86_function_specific_restore): Ditto.
3066
3067 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
3068             H.J. Lu  <hongjiu.lu@intel.com>
3069
3070         PR target/70738
3071         * common/config/i386/i386-common.c
3072         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
3073         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
3074         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
3075         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
3076         (-mgeneral-regs-only): Add new option.
3077         * config/i386/i386.c (ix86_option_override_internal): Don't enable
3078         x87 instructions if only general registers are allowed.
3079         (ix86_target_string): Add ix86_flags argument. Handle additional
3080         flags options through ix86_flags argument.  Update all callers.
3081         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
3082
3083 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3084
3085         PR rtl-optimization/66940
3086         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
3087         decrementing desired_val will not overflow before performing these
3088         operations.
3089
3090 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
3091
3092         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3093         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3094         * config/i386/i386.c (enum ix86_builtins): Add
3095         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3096         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3097         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3098         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3099         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3100         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3101         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3102         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3103         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3104         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3105         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3106         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3107         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3108         __builtin_ia32_cvtps2dq512_mask.
3109         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3110         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3111         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3112         * config/i386/sse.md
3113         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3114         Rename to ...
3115         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3116         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3117         to ...
3118         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3119         (avx512f_vec_pack_sfix_v8df): New define_expand.
3120         (avx512f_roundpd512): Rename to ...
3121         (avx512f_round<castmode>512): ... this.  Change iterator.
3122         (avx512f_roundps512_sfix): New define_expand.
3123         (round<mode>2_sfix): Change iterator.
3124
3125 2016-05-25  Nick Clifton  <nickc@redhat.com>
3126
3127         * config/msp430/msp430.c (msp430_attr): Produce an error if a
3128         static interrupt handler is detected.
3129         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
3130         default linker script.
3131         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
3132         the low part of a symbolic pointer.
3133
3134 2016-05-25  Richard Biener  <rguenther@suse.de>
3135
3136         PR tree-optimization/71261
3137         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
3138         interesting stmt instead of immediate uses when looking
3139         for the use operand to replace.
3140
3141 2016-05-25  Martin Liska  <mliska@suse.cz>
3142
3143         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
3144
3145 2016-05-25  Richard Biener  <rguenther@suse.de>
3146
3147         PR tree-optimization/71264
3148         * tree-vect-stmts.c (vect_init_vector): Properly deal with
3149         vector type val.
3150
3151 2016-05-25  Martin Liska  <mliska@suse.cz>
3152
3153         PR tree-optimization/71239
3154         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
3155         if DECL_SIZE is NULL.
3156
3157 2016-05-25  Richard Biener  <rguenther@suse.de>
3158
3159         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
3160         * tree-if-conv.c (pass_data_if_conversion): Use it.
3161
3162 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3163
3164         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
3165         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
3166         * varpool.c (varpool_node::get_availability): Likewise.
3167
3168 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3169
3170         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3171         VNEGW/VNEGD instructions.
3172         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3173         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3174         support for ISA 3.0 VNEGW/VNEGD instructions.
3175
3176 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
3177
3178         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
3179         pointers inside OACC_DATA regions.
3180         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
3181         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
3182         (gimplify_adjust_omp_clauses): Fix typo in comment.
3183
3184 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3185
3186         * config/rs6000/altivec.md (VParity): New mode iterator for vector
3187         parity built-in functions.
3188         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3189         zeros.
3190         (p9v_parity<mode>2): Likewise.
3191         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3192         parity.
3193         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3194         (parity<mode>2): ISA 3.0 expander for vector parity.
3195         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3196         power9 built-ins.
3197         (BU_P9_64BIT_MISC_0): Likewise.
3198         (BU_P9_MISC_0): Likewise.
3199         (BU_P9V_AV_1): Likewise.
3200         (BU_P9V_AV_2): Likewise.
3201         (BU_P9V_AV_3): Likewise.
3202         (BU_P9V_AV_P): Likewise.
3203         (BU_P9V_VSX_1): Likewise.
3204         (BU_P9V_OVERLOAD_1): Likewise.
3205         (BU_P9V_OVERLOAD_2): Likewise.
3206         (BU_P9V_OVERLOAD_3): Likewise.
3207         (VCTZB): Add vector count trailing zeros support.
3208         (VCTZH): Likewise.
3209         (VCTZW): Likewise.
3210         (VCTZD): Likewise.
3211         (VPRTYBD): Add vector parity support.
3212         (VPRTYBQ): Likewise.
3213         (VPRTYBW): Likewise.
3214         (VCTZ): Add overloaded vector count trailing zeros support.
3215         (VPRTYB): Add overloaded vector parity support.
3216         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3217         overloaded vector count trailing zeros and parity instructions.
3218         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3219         vector parity support.
3220         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3221         trailing zeros support.
3222         (vec_cntlz): Likewise.
3223         (vec_vctzb): Likewise.
3224         (vec_vctzd): Likewise.
3225         (vec_vctzh): Likewise.
3226         (vec_vctzw): Likewise.
3227         (vec_vprtyb): Add ISA 3.0 vector parity support.
3228         (vec_vprtybd): Likewise.
3229         (vec_vprtybw): Likewise.
3230         (vec_vprtybq): Likewise.
3231         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3232         the ISA 3.0 vector count trailing zeros and vector parity built-in
3233         functions.
3234
3235 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3236
3237         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3238         when there is stmt_to_insert.
3239
3240 2016-05-24  Martin Sebor  <msebor@redhat.com>
3241
3242         PR c++/71147
3243         * tree.h (complete_or_array_type_p): New inline function.
3244
3245 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3246
3247         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3248         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3249         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3250
3251         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3252         Limit 1st alternative to noavx isa, split 2nd alternative into one
3253         noavx and one avx alternative, use *x and Bm in the former and
3254         x and m in the latter.
3255
3256         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3257         of sse4 for the first alternative, drop %v from the template
3258         and d operand modifier.  Split second alternative into one sse4_noavx
3259         and one avx alternative, use *x instead of *v in the former and v
3260         instead of *v in the latter.
3261         (*sse4_1_extractps): Use noavx isa instead of * for the first
3262         alternative, drop %v from the template.  Split second alternative into
3263         one noavx and one avx alternative, use *x instead of *v in the
3264         former and v instead of *v in the latter.
3265         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3266         with noavx and the last one with avx.
3267         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3268         split the second one into one noavx and one avx alternative,
3269         use *x and Bm in the former and x and m in the latter one.
3270         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3271         alternatives.
3272
3273         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3274         first two alternatives to noavx, use *x instead of *v in the second
3275         one, add avx alternative without *.
3276         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3277         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3278         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3279
3280 2016-05-24  Jeff Law  <law@redhat.com>
3281
3282         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3283         New function, extracted from...
3284         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3285         Allow simple copies and constant initializations in the SSA chain.
3286
3287 2016-05-24  Marek Polacek  <polacek@redhat.com>
3288
3289         PR c/71249
3290         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3291         scope.
3292
3293 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3294
3295         PR c++/71257
3296         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3297         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3298         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3299         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3300         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3301
3302 2016-05-24  Richard Biener  <rguenther@suse.de>
3303
3304         PR tree-optimization/71240
3305         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3306         has integral type.
3307
3308 2016-05-24  Richard Biener  <rguenther@suse.de>
3309
3310         PR tree-optimization/71230
3311         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3312
3313 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3314
3315         * tree-vectorizer.h (vectorizable_comparison): Delete.
3316         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3317         PURE_SLP_STMT check.
3318         * tree-vect-stmts.c (vectorizable_call): Likewise.
3319         (vectorizable_simd_clone_call): Likewise.
3320         (vectorizable_conversion): Likewise.
3321         (vectorizable_assignment): Likewise.
3322         (vectorizable_shift): Likewise.
3323         (vectorizable_operation): Likewise.
3324         (vectorizable_load): Likewise.
3325         (vectorizable_condition): Likewise.
3326         (vectorizable_store): Likewise.  Assert that we don't have
3327         hybrid SLP.
3328         (vectorizable_comparison): Make static.  Remove redundant
3329         PURE_SLP_STMT check.
3330         (vect_transform_stmt): Assert that we always have an slp_node
3331         if PURE_SLP_STMT.
3332
3333 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3334
3335         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3336         operands[2] against 1 with comparison against CONST1_RTX.
3337         (<shift>di3_neon): Likewise.
3338         * config/arm/predicates.md (const0_operand): Replace with comparison
3339         against CONST0_RTX.
3340
3341 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3342
3343         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3344         operands[2] against 1 with comparison against CONST1_RTX.
3345         (ashrdi3): Likewise.
3346         (lshrdi3): Likewise.
3347         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3348         UINTVAL.
3349         (ashrsi3): Likewise.
3350         (lshrsi3): Likewise.
3351         (rotrsi3): Likewise.
3352         (define_split above *compareqi_eq0): Likewise.
3353         (define_split above "prologue"): Likewise.
3354         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3355         * config/arm/predicates.md (shift_operator): Likewise.
3356         (shift_nomul_operator): Likewise.
3357         (sat_shift_operator): Likewise.
3358         (thumb1_cmp_operand): Likewise.
3359         (const_neon_scalar_shift_amount_operand): Replace manual range
3360         check with IN_RANGE.
3361         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3362         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3363
3364 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3365
3366         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3367         with HOST_WIDE_INT_1.
3368         (insv): Likewise.
3369         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3370         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3371         (arm_canonicalize_comparison): Likewise.
3372         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3373         HOST_WIDE_INT_1.
3374         (thumb1_size_rtx_costs): Likewise.
3375         (vfp_const_double_index): Replace cast of 1 to unsigned
3376         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3377         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3378         HOST_WIDE_INT_1.
3379         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3380         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3381         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3382         HOST_WIDE_INT with HOST_WIDE_INT_1.
3383
3384 2016-05-24  Marek Polacek  <polacek@redhat.com>
3385
3386         * tree-cfg.h (should_remove_lhs_p): New predicate.
3387         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3388         * gimplify.c (gimplify_modify_expr): Likewise.
3389         * tree-cfg.c (verify_gimple_call): Likewise.
3390         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3391         * gimple-fold.c: Include "tree-cfg.h".
3392         (gimple_fold_call): Use should_remove_lhs_p.
3393
3394 2016-05-24  Richard Biener  <rguenther@suse.de>
3395
3396         PR tree-optimization/71253
3397         * cfganal.h (control_dependences): Make robust against edge
3398         and BB removal.
3399         (control_dependences::control_dependences): Remove edge_list argument.
3400         (control_dependences::get_edge): Remove.
3401         (control_dependences::get_edge_src): Add.
3402         (control_dependences::get_edge_dest): Likewise.
3403         (control_dependences::m_el): Make a vector of edge src/dest index.
3404         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3405         (control_dependences::control_dependences): Likewise.
3406         (control_dependences::~control_dependence): Likewise.
3407         (control_dependences::get_edge): Remove.
3408         (control_dependences::get_edge_src): Add.
3409         (control_dependences::get_edge_dest): Likewise.
3410         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3411         get_edge_src.
3412         (perform_tree_ssa_dce): Adjust.
3413         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3414         get_edge_src.
3415         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3416         conditional on changed.
3417
3418 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3419
3420         PR target/69857
3421         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3422         return.  Reindent transformation comment and mention the ARM state
3423         behavior.
3424
3425 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3426
3427         PR middle-end/71252
3428         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3429         after build_and_add_sum creates new use stmt.
3430
3431 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3432
3433         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3434         load_lanes/grouped_load classification comes first.  Don't check
3435         whether the vectorization factor is a multiple of the group size
3436         for load_lanes.
3437
3438 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3439
3440         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3441         GROUP_GAP for single-element interleaving.
3442         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3443         variable.
3444
3445 2016-05-24  Richard Biener  <rguenther@suse.de>
3446
3447         PR middle-end/70434
3448         PR c/69504
3449         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3450         bases which are accessed with non-invariant indices.
3451         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3452         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3453
3454 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3455
3456         PR middle-end/71170
3457         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3458         (add_to_ops_vec): Add stmt_to_insert.
3459         (add_repeat_to_ops_vec): Init stmt_to_insert.
3460         (insert_stmt_before_use): New.
3461         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3462         to ops vector.
3463         (get_ops): Init stmt_to_insert.
3464         (maybe_optimize_range_tests): Likewise.
3465         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3466         (rewrite_expr_tree_parallel): Likewise.
3467         (reassociate_bb): Likewise.
3468
3469 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3470
3471         PR target/71201
3472         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3473         ISA 3.0 xxperm fusion alternative.
3474         (altivec_vperm_v8hiv16qi): Likewise.
3475         (altivec_vperm_<mode>_uns_internal): Likewise.
3476         (vperm_v8hiv4si): Likewise.
3477         (vperm_v16qiv8hi): Likewise.
3478
3479 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3480             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3481
3482         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3483         vpermr/xxpermr on ISA 3.0.
3484         (altivec_expand_vec_perm_le): Likewise.
3485         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3486         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3487         ISA 3.0.
3488
3489 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3490
3491         * config/i386/i386.h (IS_STACK_MODE): Enable for
3492         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3493         SSE_FLOAT_MODE_P macros.
3494         * config/i386/i386.c (ix86_preferred_reload_class): Use
3495         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3496         Cleanup regclass processing for CONST_DOUBLE_P.
3497         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3498         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3499         with IS_STACK_MODE macro.
3500         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3501         with TARGET_SSE2.
3502         (*movdf_internal): Use IS_STACK_MODE macro.
3503         (*movsf_internal): Ditto.
3504
3505 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3506
3507         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3508         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3509
3510 2016-05-23  Jeff Law  <law@redhat.com>
3511
3512         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3513         extracted from ...
3514         (fsm_find_control_statement_thread_paths): Call it.
3515
3516 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3517
3518         PR ipa/71234
3519         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3520         from_global_constant if t is not NULL.
3521
3522 2016-05-23  Marek Polacek  <polacek@redhat.com>
3523
3524         PR c/49859
3525         * common.opt (Wswitch-unreachable): New option.
3526         * doc/invoke.texi: Document -Wswitch-unreachable.
3527         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3528         warning.
3529
3530 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3531
3532         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3533         TMR_INDEX is non-NULL.
3534
3535 2016-05-23  Richard Biener  <rguenther@suse.de>
3536
3537         PR tree-optimization/71230
3538         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3539         (try_special_add_to_ops): ... here.  Always test for single-use.
3540
3541 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3542
3543         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3544         default block if a PHI node in the original one would be resized.
3545
3546 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3547
3548         PR tree-optimization/58135
3549         * tree-vect-slp.c: When group size is not multiple
3550         of vector size, allow splitting of store group at
3551         vector boundary.
3552
3553 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3554
3555         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3556
3557 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3558
3559         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3560         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3561         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3562         of 64x2.
3563
3564         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3565         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3566         v constraint instead of x and vinserti32x4 insn.
3567
3568         * config/i386/sse.md (i128vldq): New mode iterator.
3569         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3570         avx512dq and avx512vl alternatives.
3571
3572         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3573         constraint, use maybe_evex prefix instead of vex.
3574         (vec_dupv4sf): Use v constraint instead of x for output
3575         operand except for noavx alternative, use Yv constraint
3576         instead of x for input.  Use maybe_evex prefix instead of vex.
3577         (*vec_dupv4si): Likewise.
3578         (*vec_dupv2di): Likewise.
3579
3580 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3581
3582         PR middle-end/40921
3583         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3584         (linearize_expr_tree): Call try_special_add_to_ops.
3585         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3586
3587 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3588
3589         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3590         to computed stack_usage.
3591
3592 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3593
3594         PR target/71103
3595         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3596         operand is subreg (symbol_ref) then move the symbol ref to register.
3597
3598 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3599
3600         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3601
3602 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3603
3604         PR middle-end/71179
3605         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3606         VECTOR type.
3607
3608 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3609
3610         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3611         ranges by calling get_single_symbol and tidy up.  Look more closely
3612         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3613
3614 2016-05-20  Jeff Law  <law@redhat.com>
3615
3616         * bitmap.c (bitmap_find_bit): Remove useless test.
3617
3618 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3619
3620         * function.c (thread_prologue_and_epilogue_insns): Commit the
3621         insertion of the epilogue.
3622
3623 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3624
3625         PR tree-optimization/70884
3626         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3627         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3628         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3629         of constant pool data as a reason for scalarization.
3630
3631 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3632
3633         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3634         for naked functions.
3635         (thumb1_expand_prologue): Likewise.
3636
3637 2016-05-20  Nathan Sidwell  <nathan@acm.org>
3638
3639         * config/nvptx/nptx.c (nvptx_option_override): Only set
3640         flag_toplevel_reorder, if not explicitly specified.  Set
3641         flag_no_common, unless explicitly specified.
3642
3643 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3644
3645         * calls.c (can_implement_as_sibling_call_p): Mark param
3646         reg_parm_stack_space with ATTRIBUTE_UNUSED.
3647
3648 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3649
3650         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3651         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3652         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3653         constants.
3654         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3655         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3656         and CASE_CONST_ANY.
3657
3658 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
3659
3660         * config/nvptx/nvptx.md (sincossf3): New pattern.
3661
3662 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3663
3664         * calls.c (maybe_complain_about_tail_call): New function.
3665         (initialize_argument_information): Call
3666         maybe_complain_about_tail_call when clearing *may_tailcall.
3667         (can_implement_as_sibling_call_p): Call
3668         maybe_complain_about_tail_call when returning false.
3669         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3670         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
3671         if tail-call optimization fails.
3672         * cfgexpand.c (expand_call_stmt): Initialize
3673         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3674         * gimple-pretty-print.c (dump_gimple_call): Dump
3675         gimple_call_must_tail_p.
3676         * gimple.c (gimple_build_call_from_tree): Call
3677         gimple_call_set_must_tail with the value of
3678         CALL_EXPR_MUST_TAIL_CALL.
3679         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3680         (gimple_call_set_must_tail): New function.
3681         (gimple_call_must_tail_p): New function.
3682         * print-tree.c (print_node): Update printing of TREE_STATIC
3683         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3684         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3685         trailing comment listing applicable flags.
3686         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3687
3688 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3689
3690         * calls.c (expand_call): Move "Rest of purposes for tail call
3691         optimizations to fail" to...
3692         (can_implement_as_sibling_call_p): ...this new function, and
3693         split into multiple "if" statements.
3694
3695 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3696
3697         * cfgloop.h (expected_loop_iterations_unbounded,
3698         expected_loop_iterations): Unconstify.
3699         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3700         profile with known upper bound; return 3 when profile is absent.
3701         (expected_loop_iterations): Update.
3702
3703 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3704
3705         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3706         and get_max_loop_iterations_int.
3707
3708 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3709
3710         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3711         realistic upper bounds here.
3712
3713 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3714
3715         PR c++/71210
3716         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3717         calls if the LHS is variable length or has addressable type.
3718         If targets[0]->decl is a noreturn call with void return type and
3719         zero arguments, adjust fntype and remove lhs in that case.
3720
3721 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
3722
3723         PR tree-optimization/71079
3724         PR tree-optimization/71206
3725         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3726
3727 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3728
3729         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3730         (get_vec_alignment_for_array_decl): Likewise.
3731         (get_vec_alignment_for_record_decl): Likewise.
3732         (increase_alignment::execute): Move code to find alignment to
3733         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3734         (type_align_map): New hash_map.
3735
3736 2016-05-20  Richard Guenther  <rguenther@suse.de>
3737
3738         PR tree-optimization/29756
3739         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3740         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3741         * fold-const.c (operand_equal_p): Likewise.
3742         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3743         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3744         * tree-inline.c (estimate_operator_cost): Likewise.
3745         * tree-pretty-print.c (dump_generic_node): Likewise.
3746         * tree-ssa-operands.c (get_expr_operands): Likewise.
3747         * cfgexpand.c (expand_debug_expr): Likewise.
3748         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3749         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3750         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3751         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3752         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3753         (execute_update_addresses_taken): Do it.
3754
3755 2016-05-20  Richard Biener  <rguenther@suse.de>
3756
3757         PR tree-optimization/71185
3758         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3759         register operations.
3760
3761 2016-05-20  Richard Biener  <rguenther@suse.de>
3762
3763         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3764         gimple_seq_add_seq_without_update.
3765         (release_bb_predicate): Assert we have no operands to free.
3766         (if_convertible_loop_p_1): Calculate post dominators later.
3767         Do not free BB predicates here.
3768         (combine_blocks): Do not recompute BB predicates.
3769         (version_loop_for_if_conversion): Save BB predicates around
3770         loop versioning.
3771
3772 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3773
3774         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3775         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
3776         code.  Ignore sibcalls on EDGE_IGNORE edges.
3777         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
3778         on edges for sibcalls that run without prologue.  The rest of the
3779         function is combined from...
3780         (fix_fake_fallthrough_edge): ... this, and ...
3781         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
3782         function argument, make it a local variable.
3783
3784 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
3785
3786         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3787         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3788         for 32-bit mode and SEH for 64-bit.
3789         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3790         TARGET_64BIT_DEFAULT.
3791
3792 2016-05-19  Ryan Burn  <contact@rnburn.com>
3793
3794         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3795         * gengtype.c (open_base_files): Add cilk.h to ifiles.
3796
3797 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
3798
3799         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3800         force pending loads from memory.
3801
3802 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3803
3804         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3805         (UNSPEC_DARN_32): New unspec constant.
3806         (UNSPEC_DARN_RAW): New unspec constant.
3807         (darn_32): New instruction.
3808         (darn_raw): New instruction.
3809         (darn): New instruction.
3810         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3811         support and documentation for this macro.
3812         (BU_P9_MISC_1): New macro definition.
3813         (BU_P9_64BIT_MISC_0): New macro definition.
3814         (BU_P9_MISC_0): New macro definition.
3815         (darn_32): New builtin definition.
3816         (darn_raw): New builtin definition.
3817         (darn): New builtin definition.
3818         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3819         RS6000_BUILTIN_0 directives to surround each occurrence of
3820         #include "rs6000-builtin.def".
3821         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3822         RS6000_BTM_64BIT flags to the returned mask, depending on
3823         configuration.
3824         (def_builtin): Correct an error in the assignments made to the
3825         debugging variable attr_string.
3826         (rs6000_expand_builtin): Add support for no-operand built-in
3827         functions.
3828         (builtin_function_type): Remove fatal_error assertion that is no
3829         longer valid.
3830         (rs6000_common_init_builtins): Add support for no-operand built-in
3831         functions.
3832         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3833         definition.
3834         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3835         definition.
3836         (RS6000_BTM_64BIT): New macro definition.
3837         * doc/extend.texi: Document __builtin_darn (void),
3838         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3839         functions.
3840
3841 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
3842
3843         * tree-vect-loop.c (vect_analyze_loop_2): Use also
3844         max_loop_iterations_int.
3845
3846 2016-05-19  Marek Polacek  <polacek@redhat.com>
3847
3848         PR tree-optimization/71031
3849         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3850         condition and adjust the code a bit.
3851
3852 2016-05-19  Martin Liska  <mliska@suse.cz>
3853
3854         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3855         auto_vec instead of vec.
3856
3857 2016-05-19  Martin Liska  <mliska@suse.cz>
3858
3859         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3860
3861 2016-05-19  Martin Liska  <mliska@suse.cz>
3862
3863         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3864
3865 2016-05-19  Martin Liska  <mliska@suse.cz>
3866
3867         * ipa-pure-const.c (set_function_state): Remove an existing
3868         funct_state.
3869         (remove_node_data): Do not free it as it's released
3870         in set_function_state.
3871
3872 2016-05-19  Martin Liska  <mliska@suse.cz>
3873
3874         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3875         bitmap.
3876
3877 2016-05-19  Martin Liska  <mliska@suse.cz>
3878
3879         * omp-simd-clone.c (simd_clone_adjust): Release vector.
3880
3881 2016-05-19  Martin Liska  <mliska@suse.cz>
3882
3883         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3884         an auto_vec instead of re-creating it.
3885
3886 2016-05-19  Martin Liska  <mliska@suse.cz>
3887
3888         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3889         auto_vec instead of vec.
3890
3891 2016-05-19  Martin Liska  <mliska@suse.cz>
3892
3893         * lto-section-in.c (lto_get_section_data): Call
3894         lto_check_version with additional argument.
3895         * lto-streamer.c (lto_check_version): Add new argument.
3896         * lto-streamer.h (lto_check_version): Likewise.
3897
3898 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3899
3900         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3901         Don't add cost of inner memory when handling sign-extended loads.
3902
3903 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
3904
3905         PR rtl-optimization/71148
3906         * cse.c (cse_main): Free dominance info.
3907         (rest_of_handle_cse): Don't free dominance info.
3908         (rest_of_handle_cse2): Likewise.
3909         (rest_of_handle_cse_after_global_opts): Likewise.
3910
3911 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3912
3913         PR target/71056
3914         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3915         NULL_TREE early if NEON is not available.  Remove now redundant check
3916         in ARM_CHECK_BUILTIN_MODE.
3917
3918 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
3919
3920         PR sanitizer/64354
3921         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3922         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3923         * doc/cpp.texi: Document new macros.
3924
3925 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
3926
3927         PR tree-optimization/69848
3928         * tree-vect-loop.c (vectorizable_reduction): Don't factor
3929         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3930
3931 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3932
3933         * function.c (thread_prologue_and_epilogue_insn): Move the
3934         "goto epilogue_done" one block later.
3935
3936 2016-05-19  Richard Biener  <rguenther@suse.de>
3937
3938         PR tree-optimization/70729
3939         * passes.def: Move LIM pass before PRE.  Remove no longer
3940         required copyprop and move first DCE out of the loop pipeline.
3941
3942 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
3943
3944         PR driver/69265
3945         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3946         (OBJS-libcommon-target): ...here.
3947         * opts-common.c: Include spellcheck.h.
3948         (cmdline_handle_error): Build a vec of valid options and use it
3949         to suggest provide hints for misspelled arguments.
3950
3951 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR c++/71100
3954         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3955         lhs if it has TREE_ADDRESSABLE type.
3956
3957 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3958
3959         PR target/71145
3960         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3961         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3962
3963 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3964
3965         PR ipa/69708
3966         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3967         input for NOP_EXPR pass-through functions.
3968         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3969         aggregate global constant VAR_DECLs in constant jump functions.
3970
3971 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3972
3973         PR ipa/69708
3974         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3975         from TREE_READONLY parameters.
3976
3977 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3978
3979         PR ipa/69708
3980         * cgraph.h (cgraph_indirect_call_info): New field
3981         guaranteed_unmodified.
3982         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3983         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3984         appropriate.
3985         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3986         pass the parameter value to ipa_find_agg_cst_for_param.
3987         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
3988         guaranteed_unmodified, store AA results there instead of bailing out
3989         if present.
3990         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
3991         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
3992         (find_constructor_constant_at_offset): New function.
3993         (ipa_find_agg_cst_from_init): Likewise.
3994         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
3995         static initializers of contants, report back through a new paameter
3996         from_global_constant if that was the case.
3997         (try_make_edge_direct_simple_call): Also pass parameter value to
3998         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3999         appropriate.
4000         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
4001         (ipa_read_indirect_edge_info): Likewise.
4002         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
4003         (ipa_load_from_parm_agg): Likewise.
4004
4005 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
4006
4007         PR rtl-optimization/71150
4008         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
4009         check.
4010
4011 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4012
4013         PR target/70915
4014         * config/rs6000/constraints.md (wE constraint): New constraint
4015         for a vector constant that can be loaded with XXSPLTIB.
4016         (wM constraint): New constraint for a vector constant of a 1's.
4017         (wS constraint): New constraint for a vector constant that can be
4018         loaded with XXSPLTIB and a vector sign extend instruction.
4019         * config/rs6000/predicates.md (xxspltib_constant_split): New
4020         predicates for wE/wS constraints.
4021         (xxspltib_constant_nosplit): Likewise.
4022         (easy_vector_constant): Add support for constants that can be
4023         loaded via XXSPLTIB.
4024         (all_ones_constant): New predicate for vector constant with all
4025         1's set.
4026         (splat_input_operand): Add support for ISA 3.0 word splat operations.
4027         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
4028         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
4029         instruction and possibly with a sign extension.
4030         (output_vec_const_move): Add support for XXSPLTIB. If we are
4031         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
4032         instead of XXLXOR/XXLORC.
4033         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
4034         operations.
4035         (rs6000_legitimize_reload_address): Likewise.
4036         (rs6000_output_move_128bit): Use output_vec_const_move to emit
4037         constants.
4038         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
4039         combine VSX_M and VSX_M2 into one iterator.
4040         (VSX_M2): Likewise.
4041         (VSINT_84): New iterators for loading constants with XXSPLTIB.
4042         (VSINT_842): Likewise.
4043         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
4044         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
4045         XXSPLTIB instruction.
4046         (xxspltib_<mode>_nosplit): Likewise.
4047         (xxspltib_<mode>_split): New insn to load up constants with
4048         XXSPLTIB and a sign extend instruction.
4049         (vsx_mov<mode>): Replace single move that handled all vector types
4050         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
4051         moves (when -mvsx-timode is in effect) into the main vector
4052         moves.  Eliminate separate moves for <VSr> <VSa>, where the
4053         preferred register class (<VSr>) is listed first, and the
4054         secondary register class (<VSa>) is listed second with a '?' to
4055         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
4056         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
4057         that if the register was involved in a slow operation, the
4058         clear/set operation does not wait for the slow operation to
4059         finish.  Adjust the length attributes for 32-bit mode.  Use
4060         rs6000_output_move_128bit and drop the use of the string
4061         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
4062         spacing so that the alternatives and attributes don't generate
4063         long lines, and put things in columns, so that it is easier to
4064         match up the operands and attributes with the insn alternatives.
4065         (vsx_mov<mode>_64bit): Likewise.
4066         (vsx_mov<mode>_32bit): Likewise.
4067         (vsx_movti_64bit): Fold movti into normal vector moves.
4068         (vsx_movti_32bit): Likewise.
4069         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
4070         splat instructions.
4071         (vsx_splat_v4si_internal): Likewise.
4072         (vsx_splat_v4sf_internal): Likewise.
4073         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
4074         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
4075         extend vector elements.
4076         (vsx_sign_extend_hi_<mode>): Likewise.
4077         (vsx_sign_extend_si_v2di): Likewise.
4078         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
4079         declaration.
4080         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
4081         constraints.  Add trailing period to wL documentation.
4082
4083 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
4084
4085         PR middle-end/71020
4086         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
4087         * tree-dfa.c (replace_abnormal_ssa_names): New function.
4088         * tree-call-cdce.c: Include tree-dfa.h.
4089         (can_guard_call_p): New function, extracted from...
4090         (can_use_internal_fn): ...here.
4091         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
4092         and return void.
4093         (shrink_wrap_one_built_in_call): Likewise.
4094         (use_internal_fn): Likewise.
4095         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
4096         and return void.  Call replace_abnormal_ssa_names.
4097         (pass_call_cdce::execute): Check can_guard_call_p during the
4098         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
4099         will always change something.
4100
4101 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4102
4103         PR ipa/70646
4104         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4105         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4106
4107 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4108
4109         PR ipa/70646
4110         * ipa-inline.h (condition): New field size.
4111         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4112         for comaprison and store it into the new condition.
4113         (evaluate_conditions_for_known_args): Use condition size to check
4114         access sizes for all but CHANGED conditions.
4115         (unmodified_parm_1): New parameter size_p, store access size into it.
4116         (unmodified_parm): Likewise.
4117         (unmodified_parm_or_parm_agg_item): Likewise.
4118         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4119         (set_cond_stmt_execution_predicate): Extract access sizes and store
4120         them to conditions.
4121         (set_switch_stmt_execution_predicate): Likewise.
4122         (will_be_nonconstant_expr_predicate): Likewise.
4123         (will_be_nonconstant_predicate): Likewise.
4124         (inline_read_section): Stream condition size.
4125         (inline_write_summary): Likewise.
4126
4127 2016-05-18  Richard Biener  <rguenther@suse.de>
4128
4129         * tree-ssa-loop-im.c (determine_max_movement): Properly add
4130         condition cost to PHI cost instead of total_cost.
4131
4132 2016-05-18  Martin Liska  <mliska@suse.cz>
4133
4134         PR fortran/70856
4135         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4136         merged variables.
4137
4138 2016-05-18  Richard Biener  <rguenther@suse.de>
4139
4140         * lto-streamer.h (LTO_major_version): Bump to 6.
4141
4142 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4143
4144         * function.c (make_split_prologue_seq, make_prologue_seq,
4145         make_epilogue_seq): New functions, factored out from...
4146         (thread_prologue_and_epilogue_insns): Here.
4147
4148 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4149
4150         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
4151         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
4152         of before.  Add a comment.
4153
4154 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
4155
4156         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
4157         expression pointer, not pointer to the pointer.
4158
4159 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4160
4161         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
4162         (avx2_pbroadcast<mode>): Add another alternative with v instead
4163         of x constraints in it, using <pbroadcast_evex_isa> isa.
4164         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
4165
4166         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
4167         constraint x instead of v in second alternative, add avx512bw
4168         alternative.
4169
4170         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
4171         constraint x instead of v in second alternative, add avx512bw
4172         alternative.
4173
4174         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
4175         constraint x instead of v in second alternative, add avx512bw
4176         alternative.
4177
4178         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
4179         avx512bw alternative.
4180
4181 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4182
4183         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
4184         array to 128 chars.
4185         (define_insn "*andnottf3"): Ditto.
4186         (define_insn "*<code><mode>3"/any_logic): Ditto.
4187         (define_insn "*<code>tf3"/any_logic): Ditto.
4188         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
4189         operand to block AVX-512VL insn variant emit when it is not enabled.
4190
4191 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4192
4193         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4194         constraint fot SF mode.
4195
4196 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4197             Kirill Yukhin  <kirill.yukhin@intel.com>
4198
4199         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4200         modifiers.
4201         (define_insn "rsqrt14<mode>"): Ditto.
4202         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4203         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4204         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4205         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4206         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4207         Ditto.
4208         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4209         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4210         * config/i386/i386.c (ix86_print_operand): Expand check for size
4211         override codes for Intel syntax.
4212
4213 2016-05-18  Richard Biener  <rguenther@suse.de>
4214
4215         PR tree-optimization/71168
4216         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4217         initialization earlier.
4218
4219 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4220
4221         * config/aarch64/aarch64-simd.md
4222         (aarch64_reduc_plus_internal<mode>): Rename to...
4223         (reduc_plus_scal): ...This, and remove previous implementation.
4224
4225 2016-05-18  Richard Biener  <rguenther@suse.de>
4226
4227         * passes.def: Put late dse and cd_dce in canonical order.
4228
4229 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4230
4231         * ipa-inline-transform.c (preserve_function_body_p): Look for
4232         first non-thunk clone.
4233         (save_function_body): Save into first non-thunk.
4234         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4235         up call stmt id.
4236         (lto_output_node): Inline thunks don't need body in every
4237         partition.
4238         * lto-streamer-in.c: Do not fixup thunk clones.
4239         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4240         thunks.
4241         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4242         folding suceeds.
4243
4244 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4245
4246         PR middle-end/63586
4247         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4248         (reassociate_bb): Call transform_add_to_multiply.
4249
4250 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4251
4252         * config/aarch64/aarch64.c (all_extensions): Removed unused
4253         static variable.
4254
4255 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4256
4257         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4258         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4259
4260 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4261
4262         PR tree-optimization/54579
4263         PR middle-end/55299
4264         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4265
4266 2016-05-17  Marek Polacek  <polacek@redhat.com>
4267
4268         PR ipa/71146
4269         * tree-inline.c (expand_call_inline): Call
4270         maybe_remove_unused_call_args.
4271
4272 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4273
4274         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4275         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4276         * doc/md.texi (fmin@var{m}3): Likewise.
4277
4278 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4279
4280         * match.pd (X & C): New transformation.
4281
4282 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4283
4284         * match.pd (~X & Y): New transformation.
4285
4286 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4287
4288         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4289         information for new SSA_NAME.
4290         (simplify_conversion_using_ranges): Get range through get_range_info
4291         instead of get_value_range.
4292
4293 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4294
4295         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4296         Remove inline assembly.
4297         (vmvn_s16): Likewise.
4298         (vmvn_s32): Likewise.
4299         (vmvn_u8): Likewise.
4300         (vmvn_u16): Likewise.
4301         (vmvn_u32): Likewise.
4302         (vmvnq_s8): Likewise.
4303         (vmvnq_s16): Likewise.
4304         (vmvnq_s32): Likewise.
4305         (vmvnq_u8): Likewise.
4306         (vmvnq_u16): Likewise.
4307         (vmvnq_u32): Likewise.
4308         (vmvn_p8): Likewise.
4309         (vmvnq_p16): Likewise.
4310
4311 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4312
4313         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4314         Use builtin.
4315         (vmul_n_s16): Likewise.
4316         (vmul_n_s32): Likewise.
4317         (vmul_n_u16): Likewise.
4318         (vmul_n_u32): Likewise.
4319         (vmulq_n_f32): Likewise.
4320         (vmulq_n_f64): Likewise.
4321         (vmulq_n_s16): Likewise.
4322         (vmulq_n_s32): Likewise.
4323         (vmulq_n_u16): Likewise.
4324         (vmulq_n_u32): Likewise.
4325
4326 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4327
4328         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4329         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4330
4331 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4332
4333         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4334         to *aarch64_fma4_elt_from_dup<mode>.
4335         (*aarch64_fnma4_elt_to_128df): Rename to
4336         *aarch64_fnma4_elt_from_dup<mode>.
4337         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4338         (vfms_n_f32): Likewise.
4339         (vfms_n_f64): Likewise.
4340         (vfmsq_n_f32): Likewise.
4341         (vfmsq_n_f64): Likewise.
4342
4343 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4344
4345         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4346
4347 2016-05-17  Richard Biener  <rguenther@suse.de>
4348
4349         PR tree-optimization/71132
4350         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4351         Only add control dependences for blocks in the loop.
4352         (build_rdg): Adjust.
4353         (generate_code_for_partition): Return whether loop should
4354         be destroyed and delay that.
4355         (distribute_loop): Likewise.
4356         (pass_loop_distribution::execute): Record loops to be destroyed
4357         and perform delayed destroying of loops.
4358
4359 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4360
4361         PR target/70809
4362         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4363
4364 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4365
4366         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4367
4368 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4369
4370         PR target/71114
4371         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4372         insertion point for instructions generated by validize_mem.
4373
4374 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4375
4376         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4377         in brackets.
4378
4379 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4380
4381         * config/aarch64/aarch64.c
4382         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4383         rather than a macro.
4384
4385 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4386
4387         * doc/invoke.texi (AArch64 Options): Various updates.
4388
4389 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4390
4391         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4392         into instrumentation thunks.
4393         * cif-code.def (CIF_CHKP): New.
4394
4395 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4396
4397         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4398
4399 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4400
4401         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4402         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4403
4404 2016-05-16  Marek Polacek  <polacek@redhat.com>
4405
4406         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4407         commentary.
4408
4409 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4410
4411         PR hsa/70857
4412         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4413         the outlined kernel function.
4414
4415 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4416
4417         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4418         (ISA_HAS_DLSA): Ditto.
4419
4420 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4421
4422         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4423
4424 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4425
4426         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4427         (nvptx_name_replacement): Restore.  Add comment.
4428         (write_fn_proto, write_fn_proto_from_insn,
4429         nvptx_output_call_insn): Restore
4430         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4431
4432 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4433
4434         * config/aarch64/aarch64.md
4435         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4436         (add<mode>3_compareC_imm): Likewise.
4437         (<optab>si3_uxtw): Split into register and immediate variants.
4438         (andsi3_compare0_uxtw): Likewise.
4439         (and<mode>3_compare0): Likewise.
4440         (and<mode>3nr_compare0): Likewise.
4441         (stack_protect_test_<mode>): Don't use %x for memory operands.
4442
4443 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4444
4445         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4446
4447 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4448
4449         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4450         Split integer shifts into shift_reg and bfm.
4451         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4452         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4453         (ror<mode>3_insn): Likewise.
4454         (<optab>si3_insn_uxtw): Likewise.
4455         (<optab><mode>3_insn): Change to rotate_imm.
4456         (extr<mode>5_insn_alt): Likewise.
4457         (extrsi5_insn_uxtw): Likewise.
4458         (extrsi5_insn_uxtw_alt): Likewise.
4459
4460 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4461
4462         * doc/tm.texi: Regenerate.
4463         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4464         (TARGET_INVALID_RETURN_TYPE): Remove.
4465         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4466         TARGET_INVALID_RETURN_TYPE.
4467         * target.def (invalid_parameter_type): Remove.
4468         (invalid_return_type): Remove.
4469
4470 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4471
4472         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4473         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4474         calls from thunk.
4475         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4476         gimple body.
4477         (preserve_function_body_p): No need to preserve function body
4478         * cif-codes.def (CIF_THUNK): Remove.
4479         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4480
4481 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4482
4483         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4484
4485 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4486
4487         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4488         for thunks.
4489
4490 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4491
4492         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4493         (inline_small_functions): Do not look for function symbol when
4494         resetting caches.
4495
4496 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4497
4498         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4499         of inline thunks
4500
4501 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4502             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4503             Jiong Wang  <jiong.wang@arm.com>
4504
4505         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4506         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4507         Define __ARM_FP16_ARGS when appropriate.
4508         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4509         declaration.
4510         (arm_invalid_return_type): Likewise.
4511         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4512         (TARGET_INVALID_RETURN_TYPE): Remove.
4513         (aapcs_vfp_sub_candidate): Allow HFmode.
4514         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4515         (aapcs_vfp_allocate_return_reg): Likewise.
4516         (struct aapcs_cp_arg_layout): Slightly reword comments for
4517         is_return_candidate and allocate_return_reg.
4518         (output_mov_vfp): Update assert.
4519         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4520         condition.
4521         (arm_invalid_parameter_type): Remove.
4522         (amr_invalid_return_type): Remove.
4523         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4524         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4525         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4526
4527 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4528
4529         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4530         * config/aarch64/arch64-protos.h
4531         (aarch64_legitimize_reload_address): Remove.
4532         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4533         Remove.
4534
4535 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4536
4537         * configure.ac: Add ACX_NONCANONICAL_HOST.
4538         * configure: Regenerate.
4539         * Makefile.in: Set host_noncanonical.
4540
4541 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4542
4543         PR target/71097
4544         * config/i386/i386.md (*movtf_internal): Before register allocation,
4545         do not allow FP constants for CM_MEDIUM memory model, allow only
4546         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4547         (*movxf_internal): Ditto.
4548         (*movdf_internal): Ditto.
4549         (*movsf_internal): Ditto.
4550
4551 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4552
4553         PR rtl-optimization/67483
4554         * combine.c (make_compound_operation): Don't call extract_left_shift
4555         with negative shift amounts.
4556
4557 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4558
4559         PR bootstrap/71071
4560         * fold-const.c (fold_checksum_tree): Allow modification
4561         of TYPE_ALIAS_SET during folding.
4562
4563         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4564         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4565         (ix86_split_to_parts): Likewise.  Fix up formatting.
4566
4567 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4568
4569         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4570         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4571         printf format.
4572
4573 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4574
4575         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4576         (nvptx_name_replacement): Delete.
4577         (write_fn_proto, write_fn_proto_from_insn,
4578         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4579         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4580         * langhooks.c (add_builtin_funcction_common): Call
4581         targetm.mangle_decl_assembler_name.
4582
4583         * config/nvptx/nvptx.c (write_fn_proto): Handle
4584         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4585
4586 2016-05-13  Martin Liska  <mliska@suse.cz>
4587
4588         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4589         and PRIu64 in printf format.
4590
4591 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4592
4593         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4594         comment.
4595
4596 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4597
4598         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4599         Change --param max-completely-peeled-times to
4600         --param max-completely-peel-times in dump file printing.
4601
4602 2016-05-13  Richard Biener  <rguenther@suse.de>
4603
4604         PR tree-optimization/42587
4605         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4606         (find_bswap_or_nop_1): Likewise.
4607         (bswap_replace): Likewise.
4608
4609 2016-05-13  Martin Liska  <mliska@suse.cz>
4610
4611         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4612         Initialize a variable with default value.
4613
4614 2016-05-13  Martin Liska  <mliska@suse.cz>
4615
4616         * doc/invoke.texi: Enhance explanation of error recovery
4617         of sanitizers.
4618
4619 2016-05-13  Martin Liska  <mliska@suse.cz>
4620
4621         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4622         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4623         (iv_inv_expr_ent *).
4624         (struct iv_inv_expr_ent): Comment struct fields.
4625         (sort_iv_inv_expr_ent): New function.
4626         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4627         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4628         a hash_map between iv_inv_expr_ent and number of usages.
4629         (niter_for_exit): Fix coding style.
4630         (tree_ssa_iv_optimize_init): Use renamed variable.
4631         (determine_base_object): Fix coding style.
4632         (alloc_iv): Likewise.
4633         (find_interesting_uses_outside): Likewise.
4634         (add_candidate_1): Likewise.
4635         (add_standard_iv_candidates): Likewise.
4636         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4637         (prepare_decl_rtl): Fix coding style.
4638         (get_address_cost): Likewise.
4639         (get_shiftadd_cost): Likewise.
4640         (force_expr_to_var_cost): Likewise.
4641         (compare_aff_trees): Likewise.
4642         (get_expr_id): Restructure the function.
4643         (get_loop_invariant_expr_id): Renamed to
4644         get_loop_invariant_expr.
4645         (get_computation_cost_at): Replace usage of inv_expr_id with
4646         inv_expr.
4647         (get_computation_cost): Likewise.
4648         (determine_group_iv_cost_generic): Likewise.
4649         (determine_group_iv_cost_address): Likewise.
4650         (iv_period): Fix coding style.
4651         (iv_elimination_compare_lt): Likewise.
4652         (may_eliminate_iv): Likewise.
4653         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
4654         inv_expr.
4655         (determine_group_iv_costs): Dump invariant expressions.
4656         (iv_ca_recount_cost): Use the newly added hash_map.
4657         (iv_ca_set_remove_invariants): Fix coding style.
4658         (iv_ca_set_add_invariants): Fix coding style.
4659         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4660         invariants.
4661         (iv_ca_set_cp): Likewise.
4662         (iv_ca_new): Initialize the newly added hash_map and remove
4663         initialization of fields.
4664         (iv_ca_free): Delete the hash_map.
4665         (iv_ca_dump): Dump invariant expressions.
4666         (iv_ca_extend): Fix coding style.
4667         (try_add_cand_for): Likewise.
4668         (create_new_ivs): Dump information about # of avg iterations and
4669         # of used invariant expressions.
4670         (rewrite_use_compare): Fix coding style.
4671         (free_loop_data): Set default value for max_inv_expr_id.
4672
4673 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4674
4675         * cse.c (rest_of_handle_cse): Use cleanup_cfg
4676         returned value cse_cfg_altered computation.
4677         (rest_of_handle_cse2): Likewise.
4678         (rest_of_handle_cse_after_global_opts): Likewise.
4679
4680 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4681
4682         PR target/53440
4683         * config/arm/arm.c (arm32_output_mi_thunk): New.
4684         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4685         to split Thumb1 vs TARGET_32BIT functionality.
4686         (arm_thumb1_mi_thunk): New.
4687
4688 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4689
4690         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4691         to true.
4692
4693 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4694
4695         PR target/71080
4696         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4697
4698 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
4699
4700         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4701         (expand_builtin_trap): Emit a regular call.
4702         (set_builtin_user_assembler_name): Remove obsolete cases.
4703         * dse.c (scan_insn): Adjust.
4704         * except.c: Include calls.h.
4705         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4706         emit a regular call to setjmp.
4707         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4708         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4709         (emit_block_move_via_libcall): Delete.
4710         (block_move_fn): Delete.
4711         (init_block_move_fn): Likewise.
4712         (emit_block_move_libcall_fn): Likewise.
4713         (emit_block_op_via_libcall): New function.
4714         (set_storage_via_libcall): Tidy up and use memset builtin.
4715         (block_clear_fn): Delete.
4716         (init_block_clear_fn): Likewise.
4717         (clear_storage_libcall_fn): Likewise.
4718         (expand_assignment): Call emit_block_move_via_libcall.
4719         Do not include gt-expr.h.
4720         * expr.h (emit_block_op_via_libcall): Declare.
4721         (emit_block_copy_via_libcall): New inline function.
4722         (emit_block_move_via_libcall): Likewise.
4723         (emit_block_comp_via_libcall): Likewise.
4724         (block_clear_fn): Delete.
4725         (init_block_move_fn): Likewise.
4726         (init_block_clear_fn): Likewise.
4727         (emit_block_move_via_libcall): Likewise.
4728         (set_storage_via_libcall): Add default parameter value.
4729         * libfuncs.h (enum libfunc_index): Remove obsolete values.
4730         (abort_libfunc): Delete.
4731         (memcpy_libfunc): Likewise.
4732         (memmove_libfunc): Likewise.
4733         (memcmp_libfunc): Likewise.
4734         (memset_libfunc): Likewise.
4735         (setbits_libfunc): Likewise.
4736         (setjmp_libfunc): Likewise.
4737         (longjmp_libfunc): Likewise.
4738         (profile_function_entry_libfunc): Likewise.
4739         (profile_function_exit_libfunc): Likewise.
4740         (gcov_flush_libfunc): Likewise.
4741         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4742         and DECL_VISIBILITY on the declaration.
4743         (init_optabs): Do not initialize obsolete libfuncs.
4744         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4745         * tree-core.h (ECF_RET1): Define.
4746         (ECF_TM_PURE): Adjust.
4747         (ECF_TM_BUILTIN): Likewise.
4748         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4749         (build_common_builtin_nodes): Initialize abort builtin.
4750         Add ECF_RET1 on memcpy, memmove and memset builtins.
4751         Pass final flags for alloca and alloca_with_align builtins.
4752         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4753         obsolete builtins.
4754         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4755         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4756         set_storage_via_libcall and call emit_block_copy_via_libcall.
4757
4758 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
4759
4760         * config/i386/i386.md (*call_got_x32): Change operand 0 to
4761         DImode before it is passed to ix86_output_call_operand.
4762         (*call_value_got_x32): Ditto for operand 1.
4763
4764 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
4765
4766         PR rtl-optimization/70904
4767         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4768         reload for wide mode.
4769
4770 2016-05-12  Marek Polacek  <polacek@redhat.com>
4771
4772         PR c/70756
4773         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4774         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4775         * langhooks.h (incomplete_type_error): Likewise.
4776         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
4777         parameter, pass it down to incomplete_type_error.
4778         * tree.h (size_in_bytes): New inline overload.
4779         (size_in_bytes_loc): Renamed from size_in_bytes.
4780
4781 2016-05-12  Richard Biener  <rguenther@suse.de>
4782
4783         PR tree-optimization/71059
4784         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4785         nary before looking up or entering the expression into the VN
4786         hashes.
4787         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4788         Make sure to re-use NARYs without result as inserted by
4789         phi-translation.
4790
4791 2016-05-12  Richard Biener  <rguenther@suse.de>
4792
4793         PR tree-optimization/71062
4794         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4795         field.
4796         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4797         vars_contains_restrict if the var is a restrict tag.
4798         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4799         do not disambiguate pointers against it.
4800         (dump_points_to_solution): Re-structure and adjust for new
4801         vars_contains_restrict flag.
4802         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4803
4804 2016-05-12  Martin Liska  <mliska@suse.cz>
4805
4806         * doc/invoke.texi: Explain connection between
4807         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4808
4809 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
4810
4811         PR tree-optimization/71006
4812         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4813         consider COND_EXPR as a mask producer.
4814
4815 2016-05-12  Marek Polacek  <polacek@redhat.com>
4816
4817         PR driver/71063
4818         * opts.c (common_handle_option): Detect missing argument for --help^.
4819
4820 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4821
4822         PR target/70830
4823         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4824         when popping the PC and within an interrupt handler routine.
4825         Add missing tab to output of "ldmfd".
4826         (output_return_instruction): Output LDMFD with SP update rather
4827         than POP when returning from interrupt handler.
4828
4829 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
4830
4831         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4832         TARGET_64BIT && TARGET_AVX512DQ.
4833         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4834         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4835         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4836         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4837         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4838         (*vec_extractv4si_zext): Add avx512dq alternative.
4839         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4840         use v instead of x constraint in other alternatives where possible.
4841
4842         * config/i386/sse.md (sse2_loadld): Use v instead of x
4843         constraint in alternatives 0,1,4.
4844
4845         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4846         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4847         v constraints instead of x and <pinsr_evex_isa> isa attribute.
4848
4849         PR target/71019
4850         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4851         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4852         is not emitted unless TARGET_AVX512BW.
4853         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4854         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4855         for the result operand.
4856
4857         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4858         constraint instead of x in avx alternatives.  Use maybe_evex instead
4859         of vex prefix.
4860
4861         * config/i386/constraints.md (Yv): New constraint.
4862         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4863         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4864         * config/i386/i386.md (avx512fvecmode): New mode attr.
4865         (*pushtf): Use v constraint instead of x.
4866         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
4867         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4868         (*absneg<mode>2): Use Yv constraint instead of x constraint.
4869         (*absnegtf2_sse): Likewise.
4870         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4871         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4872         avx512f alternatives.
4873         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4874
4875 2016-05-12  Richard Biener  <rguenther@suse.de>
4876
4877         PR tree-optimization/71060
4878         * tree-data-ref.c (initialize_data_dependence_relation): Do not
4879         require exact match of DR_BASE_OBJECT but only matching address and
4880         type.
4881
4882 2016-05-12  Richard Biener  <rguenther@suse.de>
4883
4884         PR tree-optimization/70986
4885         * cfganal.c: Include cfgloop.h.
4886         (dfs_find_deadend): Prefer to take edges exiting loops.
4887
4888 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4889
4890         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4891         compile and run time.
4892
4893 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4894
4895         PR c/43651
4896         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4897
4898 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
4899
4900         * config/i386/i386.c (legitimize_pic_address): Use
4901         copy_to_suggested_reg instead of gen_movsi.
4902
4903 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4904
4905         * config/rs6000/predicates.md (quad_memory_operand): Move most of
4906         the code into quad_address_p and call it to share code with
4907         vsx_quad_dform_memory_operand.
4908         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4909         d-form support.
4910         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4911         bit instead of being a separate word.  Split -mpower9-dform into
4912         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4913         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4914         for the register class supporting 128-bit quad word memory offsets.
4915         (mode_supports_vsx_dform_quad): Helper function to return if the
4916         register class uses quad word memory offsets.
4917         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4918         (rs6000_debug_reg_global): Always print if we are using LRA or not.
4919         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4920         instructions are enabled, set up the appropriate addr_masks for
4921         128-bit types.
4922         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4923         -mpower9-dform-scalar, instead of -mpower9-dform.
4924         (rs6000_option_override_internal): Split -mpower9-dform into two
4925         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
4926         -mpower9-dform switch sets or clears both.  If we are not using
4927         the LRA register allocator, do not enable -mpower9-dform-vector by
4928         default.  If we are using LRA, enable -mpower9-dform-vector and
4929         -mvsx-timode if it is appropriate.  Issue a warning if either
4930         -mpower9-dform-vector or -mvsx-timode are explicitly used without
4931         enabling LRA.
4932         (quad_address_offset_p): New helper function to return if the
4933         offset is legal for quad word memory instructions.
4934         (quad_address_p): New function to determin if GPR or vector
4935         register quad word memory addresses are legal.
4936         (mem_operand_gpr): Validate quad word address offsets.
4937         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4938         d-form (register + offset) instructions.
4939         (offsettable_ok_by_alignment): Likewise.
4940         (rs6000_legitimate_offset_address_p): Likewise.
4941         (legitimate_lo_sum_address_p): Likewise.
4942         (rs6000_legitimize_address): Likewise.
4943         (rs6000_legitimize_reload_address): Add more debug statements for
4944         -mdebug=addr.
4945         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4946         d-form instructions.
4947         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4948         d-form instructions.  Distinguish different cases in debug
4949         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4950         d-form instructions.
4951         (rs6000_preferred_reload_class): Likewise.
4952         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4953         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
4954         of the ISA 2.06 indexed memory instructions.
4955         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4956         use them to save/restore the saved vector registers instead of
4957         using Altivec instructions.
4958         (rs6000_emit_epilogue): Likewise.
4959         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4960         (rs6000_opt_masks): Split -mpower9-dform into
4961         -mpower9-dform-scalar and -mpower9-dform-vector.
4962         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4963         was not selected.
4964         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4965         ISA 3.0 vector indexed memory instructions, and fold the code into
4966         the normal mov<mode> patterns.
4967         (p9_vecstore_<mode>): Likewise.
4968         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4969         instructions.
4970         (vsx_movti_64bit): Likewise.
4971         (vsx_movti_32bit): Likewise.
4972         * config/rs6000/constraints.md (wO constraint): New constraint for
4973         ISA 3.0 vector d-form support.
4974         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4975         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
4976         include -mpower9-dform-vector until we switch over to LRA.
4977         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4978         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4979         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4980         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4981         for -mpower9-dform and -mlra.
4982         * doc/md.texi (wO constraint): Document wO constraint.
4983
4984 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
4985
4986         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4987         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
4988         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
4989         Move handling of non-insn arguments inline into the sole user:
4990         (output_trans_func): ...here.
4991         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
4992         in emitted function prototype.
4993         (output_internal_insn_latency_func): Ditto.  Simplify.
4994         (output_internal_maximal_insn_latency_func): Ditto.  Delete
4995         always-unused argument.
4996         (output_insn_latency_func): Ditto.
4997         (output_maximal_insn_latency_func): Ditto.
4998
4999 2016-05-11  Richard Biener  <rguenther@suse.de>
5000
5001         PR tree-optimization/71055
5002         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
5003         sth with precision not equal to access size verify we don't chop
5004         off bits.
5005
5006 2016-05-11  Richard Biener  <rguenther@suse.de>
5007
5008         PR debug/71057
5009         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
5010         (dwarf2out_finish): Move retry_incomplete_types call ...
5011         (dwarf2out_early_finish): ... here.
5012
5013 2016-05-11  Richard Biener  <rguenther@suse.de>
5014
5015         PR middle-end/71002
5016         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
5017         if the langhook insists on it.
5018         * fold-const.c (make_bit_field_ref): Add arg for the original
5019         reference and preserve its alias-set.
5020         (decode_field_reference): Take exp by reference and adjust it
5021         to the original memory reference.
5022         (optimize_bit_field_compare): Adjust callers.
5023         (fold_truth_andor_1): Likewise.
5024         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
5025
5026 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
5027
5028         PR middle-end/70807
5029         * cfgrtl.h (delete_insn_and_edges): Now return bool.
5030         * cfgrtl.c (delete_insn_and_edges): Likewise.
5031         * config/i386/i386.c (convert_scalars_to_vector): Remove
5032         redundant code.
5033         * cse.c (cse_insn): Compute cse_cfg_altered.
5034         (delete_trivially_dead_insns): Likewise.
5035         (cse_cc_succs): Likewise.
5036         (rest_of_handle_cse): Free dominance info if required.
5037         (rest_of_handle_cse2): Likewise.
5038         (rest_of_handle_cse_after_global_opts): Likewise.
5039
5040 2016-05-11  Alan Modra  <amodra@gmail.com>
5041
5042         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
5043         abi_v4_pass_in_fpr): New functions.
5044         (rs6000_function_arg_boundary): Exclude complex IBM long double
5045         from 64-bit alignment when ABI_V4.
5046         (rs6000_function_arg, rs6000_function_arg_advance_1,
5047         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
5048
5049 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
5050
5051         PR rtl-optimization/71028
5052         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
5053         jump with just a return in the fallthrough block if the branch
5054         block contains just a return as well.
5055
5056 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
5057
5058         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
5059         * match.pd ((X & Y) ^ Y): ... this.
5060         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
5061         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
5062
5063 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5064
5065         * read-md.c (require_char_ws): New function.
5066         (read_string): Simplify using require_char_ws.
5067         (handle_constants): Likewise.
5068         (handle_enum): Likewise.
5069         (handle_file): Likewise.
5070         * read-md.h (require_char_ws): New declaration.
5071         * read-rtl.c (read_conditions): Simplify using require_char_ws.
5072         (read_mapping): Likewise.
5073         (read_rtx_code): Likewise.
5074         (read_nested_rtx): Likewise.
5075
5076 2016-05-10  James Norris  <jnorris@codesourcery.com>
5077
5078         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
5079         if offloading is enabled and -fopenacc or -fopenmp is specified.
5080         (CRTOFFLOADEND): Likewise.
5081         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
5082         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
5083
5084 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
5085
5086         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
5087         gotoff_operand code paths.  Use copy_to_suggested_regs and
5088         expand_simple_binop where appropriate.  Cleanup.
5089
5090 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5091
5092         PR target/70799
5093         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
5094         integer constants.
5095         (dimode_scalar_chain::vector_const_cost): New.
5096         (dimode_scalar_chain::compute_convert_gain): Handle constants.
5097         (dimode_scalar_chain::convert_op): Likewise.
5098         (dimode_scalar_chain::convert_insn): Likewise.
5099
5100 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5101
5102         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
5103         unary operation, not a binary one.
5104
5105 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5106
5107         PR middle-end/70877
5108         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
5109         calls with type casted fndecl.
5110
5111 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5112
5113         PR tree-optimization/70786
5114         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
5115         * calls.c (initialize_argument_information): Bind bounds
5116         with corresponding args passed by reference.
5117
5118 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
5119
5120         PR target/70927
5121         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
5122         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
5123         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
5124         accordingly.
5125
5126 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5127
5128         PR target/70963
5129         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
5130         code for a zero scale factor.
5131         (vsx_xvcvdpuxds_scale): Likewise.
5132
5133 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5134
5135         * diagnostic-show-locus.c (layout::layout): Call show_ruler
5136         if show_ruler_p was set on the context.
5137         (layout::show_ruler): New method.
5138         * diagnostic.h (struct diagnostic_context): Add field
5139         "show_ruler_p".
5140
5141 2016-05-10  Richard Biener  <rguenther@suse.de>
5142
5143         PR tree-optimization/71039
5144         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
5145         (chk_uses): New function.
5146         (propagate_with_phi): Verify we can safely replicate the lhs of an
5147         aggregate assignment on all incoming edges.
5148
5149 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
5150
5151         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
5152         Forward declare.
5153         (rx_atomic_sequence): New class.
5154         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
5155         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
5156         non-inline.
5157         (rx_atomic_sequence::rx_atomic_sequence,
5158         rx_atomic_sequence::~rx_atomic_sequence): New functions.
5159         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
5160         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
5161         CTRLREG_INTB): New constants.
5162         (FETCHOP): New code iterator.
5163         (fethcop_name, fetchop_name2): New iterator code attributes.
5164         (QIHI): New mode iterator.
5165         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
5166         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
5167         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
5168
5169 2016-05-10  Martin Liska  <mliska@suse.cz>
5170
5171         * tree-inline.c (remap_dependence_clique): Do not remap
5172         debugging statements.
5173
5174 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5175
5176         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
5177         ("*fixuns_truncdfdi2_z13")
5178         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
5179         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
5180         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
5181
5182 2016-05-10  Richard Biener  <rguenther@suse.de>
5183
5184         PR tree-optimization/70497
5185         PR tree-optimization/28367
5186         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
5187         split out from ...
5188         (visit_reference_op_load): ... here.
5189         (vn_reference_lookup_3): Use it to handle subreg-like accesses
5190         with simplified BIT_FIELD_REFs.
5191         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
5192         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5193         correctly.
5194
5195 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5196
5197         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5198         documentation comment.  For BLOCK nodes, add a
5199         DW_AT_abstract_origin attribute that points to the DIE generated
5200         for the origin BLOCK.
5201         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5202         blocks from inlined functions.
5203
5204 2016-05-10  Alan Modra  <amodra@gmail.com>
5205
5206         PR target/70947
5207         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5208         regrename modifying insns saving lr before __morestack call.
5209         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5210         insns restoring lr after __morestack call.
5211
5212 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5213
5214         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5215         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5216         expanders.
5217         * config/i386/sse.md (vec_interleave_high<mode>,
5218         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5219         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5220
5221 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5222
5223         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5224         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5225         parallel reassociation for power8 and forward.
5226
5227 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5228
5229         * config/i386/i386.md (absneg splitters with general regs): Use
5230         general_reg_operand predicate.
5231         (btsq peephole2): Use x86_64_immediate_operand to check if new
5232         value is suitable for immediate operand.  Generate emitted insn
5233         using RTL expressions.
5234         (btcq peephole2): Ditto.
5235         (btrq peephole2): Ditto.  Generate correct immediate operand
5236         for AND masking.
5237
5238 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5239
5240         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5241         bitpos.
5242
5243 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5244
5245         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5246         pointer dereference.
5247
5248 2016-05-09  Richard Biener  <rguenther@suse.de>
5249
5250         PR tree-optimization/70985
5251         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5252         op0 isn't a gimple register.
5253
5254 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5255
5256         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5257         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5258         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5259         (i6400_fpu_mult): New cpu units.
5260         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5261         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5262         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5263         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5264         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5265         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5266         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5267         (i6400_msa_long_float4, i6400_msa_long_float5)
5268         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5269         (i6400_msa_fdiv_sf): New reservations.
5270         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5271         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5272         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5273         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5274         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5275         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5276         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5277         (msa_short_store4, msa_long_load, msa_short_store)
5278         (msa_long_logic, msa_long_float2, msa_long_float4)
5279         (msa_long_float5, msa_long_float8, msa_long_mult)
5280         (msa_long_fdiv, msa_long_div): New reservations.
5281
5282 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5283             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5284             Matthew Fortune  <matthew.fortune@imgtec.com>
5285             Graham Stott  <graham.stott@imgtec.com>
5286             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5287
5288         * config.gcc: Add MSA header file for mips*-*-* target.
5289         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5290         (Ubv8i, Urv8):  New constraints.
5291         * config/mips/mips-ftypes.def: Add function types for MSA
5292         builtins.
5293         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5294         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5295         * config/mips/mips-msa.md: New file.
5296         * config/mips/mips-protos.h
5297         (mips_split_128bit_const_insns): New prototype.
5298         (mips_msa_idiv_insns): Likewise.
5299         (mips_split_128bit_move): Likewise.
5300         (mips_split_128bit_move_p): Likewise.
5301         (mips_split_msa_copy_d): Likewise.
5302         (mips_split_msa_insert_d): Likewise.
5303         (mips_split_msa_fill_d): Likewise.
5304         (mips_expand_msa_branch): Likewise.
5305         (mips_const_vector_same_val_p): Likewise.
5306         (mips_const_vector_same_bytes_p): Likewise.
5307         (mips_const_vector_same_int_p): Likewise.
5308         (mips_const_vector_shuffle_set_p): Likewise.
5309         (mips_const_vector_bitimm_set_p): Likewise.
5310         (mips_const_vector_bitimm_clr_p): Likewise.
5311         (mips_msa_vec_parallel_const_half): Likewise.
5312         (mips_msa_output_division): Likewise.
5313         (mips_ldst_scaled_shift): Likewise.
5314         (mips_expand_vec_cond_expr): Likewise.
5315         * config/mips/mips.c (enum mips_builtin_type): Add
5316         MIPS_BUILTIN_MSA_TEST_BRANCH.
5317         (mips_gen_const_int_vector_shuffle): New prototype.
5318         (mips_const_vector_bitimm_set_p): New function.
5319         (mips_const_vector_bitimm_clr_p): Likewise.
5320         (mips_const_vector_same_val_p): Likewise.
5321         (mips_const_vector_same_bytes_p): Likewise.
5322         (mips_const_vector_same_int_p): Likewise.
5323         (mips_const_vector_shuffle_set_p): Likewise.
5324         (mips_symbol_insns): Forbid loading symbols via immediate for
5325         MSA.
5326         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5327         stores.
5328         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5329         MSA.
5330         (mips_lx_address_p): Add support load indexed address for MSA.
5331         (mips_address_insns): Add calculation of instructions needed for
5332         stores and loads for MSA.
5333         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5334         CONST_VECTOR for MSA and let it fall through.
5335         (mips_ldst_scaled_shift): New function.
5336         (mips_subword_at_byte): Likewise.
5337         (mips_msa_idiv_insns): Likewise.
5338         (mips_legitimize_move): Validate MSA moves.
5339         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5340         calculation of costs for MSA division.
5341         (mips_split_move_p): Check if MSA moves need splitting.
5342         (mips_split_move): Split MSA moves if necessary.
5343         (mips_split_128bit_move_p): New function.
5344         (mips_split_128bit_move): Likewise.
5345         (mips_split_msa_copy_d): Likewise.
5346         (mips_split_msa_insert_d): Likewise.
5347         (mips_split_msa_fill_d): Likewise.
5348         (mips_output_move): Handle MSA moves.
5349         (mips_expand_msa_branch): New function.
5350         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5351         Reinstate 'y' modifier.
5352         (mips_file_start): Add MSA .gnu_attribute.
5353         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5354         FPRs.
5355         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5356         (mips_class_max_nregs): Add register size for MSA supported mode.
5357         (mips_cannot_change_mode_class): Allow conversion between MSA
5358         vector modes and TImode.
5359         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5360         instruction.
5361         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5362         (mips_preferred_simd_mode): Add preffered modes for MSA.
5363         (mips_vector_mode_supported_p): Add MSA supported modes.
5364         (mips_autovectorize_vector_sizes): New function.
5365         (mips_msa_output_division): Likewise.
5366         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5367         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5368         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5369         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5370         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5371         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5372         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5373         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5374         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5375         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5376         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5377         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5378         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5379         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5380         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5381         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5382         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5383         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5384         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5385         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5386         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5387         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5388         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5389         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5390         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5391         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5392         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5393         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5394         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5395         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5396         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5397         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5398         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5399         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5400         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5401         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5402         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5403         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5404         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5405         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5406         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5407         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5408         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5409         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5410         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5411         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5412         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5413         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5414         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5415         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5416         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5417         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5418         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5419         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5420         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5421         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5422         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5423         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5424         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5425         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5426         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5427         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5428         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5429         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5430         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5431         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5432         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5433         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5434         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5435         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5436         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5437         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5438         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5439         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5440         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5441         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5442         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5443         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5444         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5445         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5446         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5447         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5448         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5449         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5450         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5451         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5452         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5453         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5454         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5455         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5456         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5457         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5458         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5459         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5460         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5461         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5462         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5463         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5464         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5465         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5466         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5467         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5468         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5469         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5470         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5471         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5472         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5473         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5474         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5475         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5476         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5477         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5478         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5479         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5480         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5481         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5482         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5483         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5484         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5485         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5486         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5487         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5488         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5489         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5490         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5491         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5492         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5493         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5494         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5495         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5496         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5497         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5498         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5499         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5500         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5501         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5502         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5503         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5504         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5505         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5506         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5507         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5508         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5509         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5510         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5511         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5512         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5513         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5514         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5515         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5516         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5517         move_v builtins.
5518         (mips_get_builtin_decl_index): New array.
5519         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5520         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5521         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5522         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5523         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5524         array.
5525         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5526         hook.
5527         (mips_expand_builtin_insn): Prepare operands for
5528         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5529         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5530         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5531         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5532         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5533         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5534         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5535         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5536         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5537         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5538         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5539         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5540         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5541         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5542         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5543         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5544         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5545         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5546         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5547         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5548         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5549         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5550         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5551         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5552         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5553         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5554         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5555         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5556         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5557         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5558         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5559         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5560         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5561         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5562         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5563         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5564         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5565         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5566         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5567         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5568         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5569         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5570         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5571         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5572         These are set implicitly and an error is reported if overridden.
5573         (mips_expand_builtin_msa_test_branch): New function.
5574         (mips_expand_msa_shuffle): Likewise.
5575         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5576         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5577         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5578         (mips_expand_vec_unpack): Add support for MSA.
5579         (mips_expand_vector_init): Likewise.
5580         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5581         instead of const0_rtx.
5582         (mips_msa_vec_parallel_const_half): New function.
5583         (mips_gen_const_int_vector): Likewise.
5584         (mips_gen_const_int_vector_shuffle): Likewise.
5585         (mips_expand_msa_cmp): Likewise.
5586         (mips_expand_vec_cond_expr): Likewise.
5587         * config/mips/mips.h
5588         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5589         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5590         specified.
5591         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5592         (ISA_HAS_MSA): New macro.
5593         (UNITS_PER_MSA_REG): Likewise.
5594         (BITS_PER_MSA_REG): Likewise.
5595         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5596         (MSA_REG_FIRST): New macro.
5597         (MSA_REG_LAST): Likewise.
5598         (MSA_REG_NUM): Likewise.
5599         (MSA_REG_P): Likewise.
5600         (MSA_REG_RTX_P): Likewise.
5601         (MSA_SUPPORTED_MODE_P): Likewise.
5602         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5603         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5604         * config/mips/mips.md: Include mips-msa.md.
5605         (alu_type): Add simd_add.
5606         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5607         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5608         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5609         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5610         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5611         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5612         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5613         simd_move, simd_load, simd_store.  Choose "multi" for moves
5614         for "qword_mode".
5615         (qword_mode): New attribute.
5616         (insn_count): Add instruction count for quad moves.
5617         Increase the count for MIPS SIMD division.
5618         (UNITMODE): Add UNITMODEs for vector types.
5619         (addsub): New code iterator.
5620         * config/mips/mips.opt (mmsa): New option.
5621         * config/mips/msa.h: New file.
5622         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5623         specified.
5624         * config/mips/mti-linux.h: Likewise.
5625         * config/mips/predicates.md
5626         (const_msa_branch_operand): New constraint.
5627         (const_uimm3_operand): Likewise.
5628         (const_uimm4_operand): Likewise.
5629         (const_uimm5_operand): Likewise.
5630         (const_uimm8_operand): Likewise.
5631         (const_imm5_operand): Likewise.
5632         (aq10b_operand): Likewise.
5633         (aq10h_operand): Likewise.
5634         (aq10w_operand): Likewise.
5635         (aq10d_operand): Likewise.
5636         (const_m1_operand): Likewise.
5637         (reg_or_m1_operand): Likewise.
5638         (const_exp_2_operand): Likewise.
5639         (const_exp_4_operand): Likewise.
5640         (const_exp_8_operand): Likewise.
5641         (const_exp_16_operand): Likewise.
5642         (const_vector_same_val_operand): Likewise.
5643         (const_vector_same_simm5_operand): Likewise.
5644         (const_vector_same_uimm5_operand): Likewise.
5645         (const_vector_same_uimm6_operand): Likewise.
5646         (const_vector_same_uimm8_operand): Likewise.
5647         (par_const_vector_shf_set_operand): Likewise.
5648         (reg_or_vector_same_val_operand): Likewise.
5649         (reg_or_vector_same_simm5_operand): Likewise.
5650         (reg_or_vector_same_uimm6_operand): Likewise.
5651         * doc/extend.texi (MIPS SIMD Architecture Functions): New
5652         section.
5653         * doc/invoke.texi (-mmsa): Document new option.
5654
5655 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5656
5657         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5658         * configure: Regenerate.
5659         * config.in: Regenerate.
5660         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5661         on -fvtable-verify.
5662         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5663         (ENDFILE_VTV_SPEC): Define.
5664
5665 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
5666
5667         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5668         registers in all interrupt handlers if necessary.
5669         (rl78_option_override): Add warning.
5670         (MUST_SAVE_MDUC_REGISTERS): New macro.
5671         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5672         * config/rl78/rl78.c (check_mduc_usage): New function.
5673         (mduc_regs): New structure to hold MDUC register data.
5674         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5675         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5676         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5677         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5678         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5679         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5680
5681 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
5682
5683         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5684         (tree-ssa-loop-niter.h): Ditto.
5685         (idx_within_array_bound, ref_within_array_bound): New functions.
5686         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5687         Factor out check on writable base object to ...
5688         (base_object_writable): ... here.
5689
5690 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5691
5692         * config/arm/arm.md (probe_stack): Add modes to set source
5693         and destination.
5694
5695 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
5696
5697         * regrename.c (base_reg_class_for_rename): New static function.
5698         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5699
5700 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
5701
5702         * cgraph.c (thunk_adjust): Export.
5703         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5704         * cgraphunit.c (thunk_adjust): Export.
5705         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5706         thunks.
5707         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5708         inlinable.
5709         * tree-inline.c (expand_call_inline): Expand thunks inline.
5710
5711 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
5712
5713         PR target/70998
5714         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5715         (*sse2_vd_cvtss2sd): Ditto.
5716         * config/i386/i386.md
5717         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5718         Generate *sse2_vd_cvtsd2ss pattern.
5719         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5720         Generate *sse2_vd_cvtss2sd pattern.
5721
5722 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5723
5724         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5725         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
5726         users.
5727
5728 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5729
5730         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5731         * config/sh/sh.c: Define and declare variables on first use throughout
5732         the file.
5733         (current_function_interrupt): Change to bool type.
5734         (frame_insn): Rename to emit_frame_insn and update users.
5735         (push_regs): Use bool for 'interrupt_handler' argument.
5736         (save_schedule_s): Remove.
5737         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5738         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5739         targetm.asm_out.unaligned_op.di.
5740         (gen_far_branch): Remove redundant forward declaration.
5741         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5742         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5743         (sh_set_return_address, sh_function_ok_for_sibcall,
5744         scavenge_reg): Update comments.
5745         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5746         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5747         (sh_attr_renesas_p): Remove unnecessary parentheses.
5748         (branch_dest): Simplify.
5749         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5750         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5751         (CUMULATIVE_ARGS): Change macro to typedef.
5752         (current_function_interrupt): Change to bool type.
5753         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5754         Surround with __cplusplus ifdef.
5755         (sh_compare_op0, sh_compare_op1): Remove.
5756         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5757
5758 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
5759
5760         * config/arm/arm.md: (arch): Add neon.
5761         (arch_enabled): Return yes for arch neon when TARGET_NEON.
5762         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
5763         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
5764         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
5765         attributes for alt renumbering.  Mark alt 3 as non-predicable.
5766         (thumb2_movdf_vfp): Likewise.
5767
5768 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
5769
5770         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5771         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5772         (*andqi_1): Add preferred_for_speed attribute to disparage
5773         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5774         (*<code>qi_1): Ditto.
5775         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5776         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5777         (*ashlqi3_1): Ditto.
5778         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5779         Add preferred_for_size attribute to disparage alternative 0 and
5780         preferred_for_speed attribute to disparage alternative 1 for
5781         TARGET_PARTIAL_REG_STALL targets.
5782
5783 2016-05-07  Tom de Vries  <tom@codesourcery.com>
5784
5785         PR tree-optimization/70956
5786         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5787         def.
5788
5789 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5790
5791         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5792         * config/sh/sh.c (sh_cbranch_distance): Implement it.
5793         * config/sh/sh.md (branch_zero): Remove define_attr.
5794         (define_delay): Disable delay slot if branch distance is one insn.
5795
5796 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5797
5798         * config/i386/i386.md (LEAMODE): New mode attribute.
5799         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5800         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5801         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
5802         operand 2 predicate.
5803         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5804         (*lea<mode>_general_3): Ditto.
5805         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5806
5807 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5808
5809         * genmddump.c (main): Convert argv from char ** to const char **.
5810
5811 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5812
5813         * coretypes.h (OVERRIDE): New macro.
5814         (FINAL): New macro.
5815
5816 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
5817
5818         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5819         allow coalescing if the types are compatible.
5820
5821 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5822
5823         * pass_manager.h (pass_manager::register_pass_name): New method.
5824         (pass_manager::get_pass_by_name): New method.
5825         (pass_manager::create_pass_tab): New method.
5826         (pass_manager::m_name_to_pass_map): New field.
5827         * passes.c (name_to_pass_map): Delete global in favor of field
5828         "m_name_to_pass_map" of pass_manager.
5829         (register_pass_name): Rename from a function to...
5830         (pass_manager::register_pass_name): ...this method, updating
5831         for renaming of global "name_to_pass_map" to field
5832         "m_name_to_pass_map".
5833         (create_pass_tab): Rename from a function to...
5834         (pass_manager::create_pass_tab): ...this method, updating
5835         for renaming of global "name_to_pass_map" to field.
5836         (get_pass_by_name): Rename from a function to...
5837         (pass_manager::get_pass_by_name): ...this method.
5838         (enable_disable_pass): Convert use of get_pass_by_name to
5839         a method call, locating the pass_manager singleton.
5840
5841 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5842
5843         * genattr-common.c (main): Convert argv from char ** to const char **.
5844         * genattr.c (main): Likewise.
5845         * genattrtab.c (main): Likewise.
5846         * genautomata.c (initiate_automaton_gen): Likewise.
5847         (main): Likewise.
5848         * gencodes.c (main): Likewise.
5849         * genconditions.c (main): Likewise.
5850         * genconfig.c (main): Likewise.
5851         * genconstants.c (main): Likewise.
5852         * genemit.c (main): Likewise.
5853         * genenums.c (main): Likewise.
5854         * genextract.c (main): Likewise.
5855         * genflags.c (main): Likewise.
5856         * genmddeps.c (main): Likewise.
5857         * genopinit.c (main): Likewise.
5858         * genoutput.c (main): Likewise.
5859         * genpeep.c (main): Likewise.
5860         * genpreds.c (main): Likewise.
5861         * genrecog.c (main): Likewise.
5862         * gensupport.c (init_rtx_reader_args_cb): Likewise.
5863         (init_rtx_reader_args): Likewise.
5864         * gensupport.h (init_rtx_reader_args_cb): Likewise.
5865         (init_rtx_reader_args): Likewise.
5866         * gentarget-def.c (main): Likewise.
5867         * read-md.c (read_md_files): Likewise.
5868         * read-md.h (read_md_files): Likewise.
5869
5870 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5871
5872         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5873         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5874         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5875         Remove unused predicate.
5876         (register_and_not_fp_reg_operand): Ditto.
5877
5878 2016-05-06  Martin Liska  <mliska@suse.cz>
5879
5880         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5881         instead of vec as the vector is local to the function.
5882
5883 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5884
5885         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5886         avx512bw alternative.
5887
5888         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5889         before the ashr<mode>3 pattern.
5890
5891         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5892         v instead of x in vex or maybe_vex alternatives, use
5893         maybe_evex instead of vex in prefix.
5894
5895         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5896         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5897         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5898         in vex or maybe_vex alternatives, use maybe_evex instead of vex
5899         in prefix.
5900
5901         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5902         v instead of x in vex or maybe_vex alternatives, use
5903         maybe_evex instead of vex in prefix.
5904
5905         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5906         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5907         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5908         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5909         alternatives, use maybe_evex instead of vex in prefix.
5910
5911         * config/i386/sse.md (vec_interleave_lowv4sf,
5912         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5913         v instead of x in vex or maybe_vex alternatives, use
5914         maybe_evex instead of vex in prefix.
5915
5916         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5917         v instead of x in vex or maybe_vex alternatives, use
5918         maybe_evex instead of vex in prefix.
5919
5920         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5921         v constraint instead of x.
5922
5923 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5924
5925         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5926         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5927         equality first.
5928
5929 2016-05-06  Richard Biener  <rguenther@suse.de>
5930
5931         PR tree-optimization/70948
5932         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5933         Properly clobber all fields of va_list for __builtin_va_start.
5934
5935 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5936
5937         PR debug/70935
5938         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5939         loop latch destination.
5940
5941 2016-05-06  Martin Liska  <mliska@suse.cz>
5942
5943         * tree-ssa-uninit.c: Apply manual changes
5944         to the GNU coding style.
5945         (prune_uninit_phi_opnds): Rename from
5946         prune_uninit_phi_opnds_in_unrealizable_paths.
5947
5948 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5949
5950         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5951         mspace): Remove deprecated options.
5952         * doc/invoke.texi (SH options): Remove -mspace.
5953
5954 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5955
5956         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5957
5958 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5959
5960         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5961         corresponding combine split pattern.
5962
5963 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5964
5965         PR target/58219
5966         * config/sh/predicates.md (long_displacement_mem_operand): New.
5967         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5968         Add movi20, movi20s alternatives.  Adjust length attribute for
5969         alternatives.
5970         (movsi_ie): Allow for any FPU.  Adjust length attribute for
5971         alternatives.
5972         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
5973         attribute for alternatives.
5974         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5975         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5976         length attribute for alternatives.
5977
5978 2016-05-06  Richard Biener  <rguenther@suse.de>
5979
5980         PR tree-optimization/70960
5981         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5982
5983 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5984
5985         PR target/52933
5986         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5987         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
5988
5989 2016-05-06  Marek Polacek  <polacek@redhat.com>
5990
5991         PR sanitizer/70875
5992         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
5993
5994 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5995
5996         PR target/54089
5997         * config/sh/sh.md (*rotcr): Add another variant.
5998
5999 2016-05-06  Richard Biener  <rguenther@suse.de>
6000
6001         PR middle-end/70931
6002         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
6003
6004 2016-05-06  Richard Biener  <rguenther@suse.de>
6005
6006         PR middle-end/70941
6007         * fold-const.c (split_tree): Always convert to the original type
6008         before negating.
6009
6010 2016-05-06  Richard Biener  <rguenther@suse.de>
6011
6012         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
6013         (fwprop_addr): Likewise.
6014
6015 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
6016
6017         PR target/70873
6018         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
6019         New prototype.
6020         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
6021         * config/i386/i386.md (push mem splitter): Use find_constant_src in
6022         the splitter condition.
6023         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
6024         the splitter condition.
6025         (FP float_extend load splitter): Ditto.
6026
6027 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
6028
6029         * config/i386/i386.md (peehole2 patterns): Change true_regnum
6030         to REGNO in all peephole2 patterns.
6031         (post-reload splitters): Change true_regnum to REGNO in
6032         post-reload splitters.
6033         (zero_extend splitters): Use general_reg_operand and
6034         nonimmediate_gr_operand predicates.
6035
6036 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
6037
6038         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
6039         v constraint instead of x.
6040
6041 2016-05-05  Alan Modra  <amodra@gmail.com>
6042
6043         PR target/68662
6044         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
6045         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
6046         TARGET_NO_FP_IN_TOC for -mrelocatable.
6047         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
6048         TARGET_RELOCATABLE test.
6049         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6050         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6051         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6052         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6053         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6054         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
6055         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
6056         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
6057         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
6058         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6059         Likewise.
6060         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
6061         (rs6000_stack_info): Likewise.
6062         (rs6000_elf_asm_out_constructor): Likewise.
6063         (rs6000_elf_asm_out_destructor): Likewise.
6064         (rs6000_elf_declare_function_name): Likewise.
6065         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
6066         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
6067         Don't define.
6068
6069 2016-05-05  Alan Modra  <amodra@gmail.com>
6070
6071         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
6072
6073 2016-05-05  Alan Modra  <amodra@gmail.com>
6074
6075         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
6076         out-of-line gpr restore for one or two regs if that would add
6077         a save of lr.
6078
6079 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
6080
6081         PR target/70873
6082         * config/i386/i386.md
6083         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
6084         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
6085         as operand 0 predicate.
6086         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
6087         Ditto.
6088         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
6089         Ditto.  Emit the pattern using RTX.
6090
6091         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
6092         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
6093         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
6094         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
6095         Ditto.
6096         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
6097         sse_reg_operand as operand 0 predicate.
6098
6099         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
6100         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
6101         instead of gen_rtx_REG.
6102         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
6103         Ditto.
6104
6105 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6106
6107         * function.c (emit_use_return_register_into_block): Delete.
6108         (gen_return_pattern): Delete.
6109         (emit_return_into_block): Delete.
6110         (active_insn_between): Delete.
6111         (convert_jumps_to_returns): Delete.
6112         (emit_return_for_exit): Delete.
6113         (thread_prologue_and_epilogue_insns): Delete all code dealing with
6114         simple_return for shrink-wrapped blocks.
6115         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
6116         end of blocks that need one.
6117         (get_unconverted_simple_return): Delete.
6118         (convert_to_simple_return): Delete.
6119         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
6120         (convert_to_simple_return): Ditto.
6121
6122 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6123
6124         * cfgcleanup.c (bb_is_just_return): New function.
6125         (try_optimize_cfg): Simplify jumps to return, branches to return,
6126         and branches around return.
6127
6128 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6129
6130         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
6131         branch to a return.
6132
6133 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6134
6135         PR c++/70906
6136         PR c++/70933
6137         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
6138         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
6139         assert flags & OEP_HASH_CHECK, instead of asserting it
6140         never happens.  Handle TARGET_EXPR.
6141         * fold-const.c (operand_equal_p): For hash verification,
6142         or in OEP_HASH_CHECK into flags.
6143
6144 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6145
6146         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
6147         comment.
6148         (compute_samebase_partition_bases): Fix typo.
6149
6150 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6151
6152         * config/i386/sse.md (vec_interleave_highv8sf,
6153         vec_interleave_lowv8sf, vec_interleave_highv4df,
6154         vec_interleave_lowv4df): Remove constraints from expanders.
6155
6156         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
6157
6158 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6159
6160         * tree-inline.c (expand_call_inline): Fix path dealing with
6161         making lhs of call statement undefined.
6162
6163 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6164
6165         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
6166         Check availability on NODE, too.
6167         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
6168         (cgraph_node::call_for_symbol_and_aliases): Likewise.
6169         (varpool_node::call_for_symbol_and_aliase): Likewise.
6170         * ipa-pure-const.c (add_new_function): Analyze all bodies.
6171         (propagate_pure_const): Propagate across interposable functions, too.
6172         (skip_function_for_local_pure_const): Do not skip interposable bodies
6173         with aliases.
6174         (pass_local_pure_const::execute): Update.
6175
6176 2016-05-04  Marek Polacek  <polacek@redhat.com>
6177
6178         * doc/invoke.texi: Document -Wdangling-else.
6179
6180 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6181
6182         * config.gcc: Error out when conflicting multilib is detected.  Do not
6183         loop over multilibs since no combination is legal.
6184
6185 2016-05-04  Alan Modra  <amodra@gmail.com>
6186
6187         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
6188         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
6189         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6190         Align .toc.
6191
6192 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6193
6194         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6195         Clean up p5600 comments.
6196
6197 2016-05-04  Richard Biener  <rguenther@suse.de>
6198
6199         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6200         constructor simplifications.
6201         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6202
6203 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6204
6205         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6206         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6207         result.set_rtx is null instead of aborting.
6208         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6209         Always enable.
6210         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6211         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6212         *mov<mode>_store_postinc): New patterns.
6213
6214 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6215
6216         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6217         as commutative.  Check both conversions are NOP.
6218         ((A & B) OP (C & B)): Remove.
6219
6220 2016-05-04  Alan Modra  <amodra@gmail.com>
6221
6222         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6223
6224 2016-05-04  Alan Modra  <amodra@gmail.com>
6225
6226         PR target/70866
6227         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6228         when cr2,3,4 are all fixed regs.
6229
6230 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6231
6232         PR rtl-optimization/57193
6233         * opts.c (default_options_table): Revert OPT_frename_registers change.
6234         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6235
6236 2016-05-03  Martin Sebor  <msebor@redhat.com>
6237
6238         PR c++/66561
6239         * builtins.c (fold_builtin_FILE): New function.
6240         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6241         (fold_builtin_0): Call them.
6242         * gimplify.c (gimplify_call_expr): Remove the handling of
6243         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6244
6245         PR c++/66561
6246         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6247         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6248         constants.
6249
6250         PR c++/66639
6251         * doc/extend.texi (Function Names as Strings): Update __func__,
6252         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6253         constants.
6254
6255 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6256             Richard Biener  <rguenther@suse.de>
6257
6258         PR tree-optimization/70916
6259         * tree-if-conv.c: Include cfganal.h.
6260         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6261         and remove_fake_exit_edges around the optimization pass.
6262
6263 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6264
6265         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6266         (cgraph_edge::make_direct): Likewise.
6267         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6268         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6269         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6270         (CIF_THUNK): New code.
6271         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6272         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6273         (compute_inline_parameters): Set inline_failed for thunks.
6274         (inline_analyze_function): Cleanup.
6275         * ipa-inline.c (can_inline_edge_p): Do not deal with
6276         call_stmt_cannot_inline_p.
6277         (can_early_inline_edge_p): Likewise.
6278         (early_inliner): Initialize inline_failed.
6279         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6280
6281 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6282
6283         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6284         from nonimm_ssenomem_operand.
6285         (nonimm_ssenomem_operand): New predicate.
6286         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6287         as operand 0 predicate.
6288         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6289         Disable unsupported alternatives using "enabled" attribute.
6290         Use register_ssemem_operand as operand 0 predicate.
6291         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6292
6293 2016-05-03  Marek Polacek  <polacek@redhat.com>
6294
6295         PR c/70859
6296         * input.c (expansion_point_location): New function.
6297         * input.h (expansion_point_location): Declare.
6298
6299 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6300
6301         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6302         occurence with frame_offset_ ones.
6303
6304 2016-05-03  Alan Modra  <amodra@gmail.com>
6305
6306         PR rtl-optimization/70890
6307         * ira.c (combine_and_move_insns): When moving def_insn, remove
6308         equivs on use_insn.
6309
6310 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6311
6312         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6313         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6314         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6315         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6316
6317 2016-05-03  Alan Modra  <amodra@gmail.com>
6318
6319         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6320         for SAVE_MULTIPLE/STORE_MULTIPLE.
6321
6322 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6323
6324         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6325         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6326
6327 2016-05-03  Richard Biener  <rguenther@suse.de>
6328
6329         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6330         default true.
6331         (gimplify_arg): Likewise.
6332         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6333         re-writing the result to a decl if required.
6334         (internal_get_tmp_var): Add allow_ssa parameter
6335         and override into_ssa with it.
6336         (get_formal_tmp_var): Adjust.
6337         (get_initialized_tmp_var): Add allow_ssa parameter.
6338         (gimplify_arg): Add allow_ssa parameter and avoid generating
6339         SSA names for the result false.
6340         (gimplify_call_expr): If the call may return twice do not
6341         gimplify parameters into SSA.
6342         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6343         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6344         with a SSA name LHS adjust its def.
6345         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6346         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6347         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6348         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6349         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6350         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6351         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6352         (optimize_target_teams): Do not allow SSA names for clause operands.
6353         (gimplify_expr): Likewise for where we mark the result addressable.
6354         * passes.def (pass_init_datastructures): Remove.
6355         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6356         (rewrite_stmt): Likewise.
6357         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6358         (replace_locals_op): Replace SSA names.
6359         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6360         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6361         * cgraph.c (release_function_body): Free CFG annotations only
6362         when we have a CFG.  Simplify.
6363         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6364         force_gimple_operand instead of get_initialized_tmp_var.
6365         * tree-pass.h (make_pass_init_datastructures): Remove.
6366         * tree-ssa.c (execute_init_datastructures): Remove.
6367         (pass_data_init_datastructures): Likewise.
6368         (class pass_init_datastructures): Likewise.
6369         (make_pass_init_datastructures): Likewise.
6370         * omp-low.c (create_omp_child_function): Init SSA data structures.
6371         (grid_expand_target_grid_body): Likewise.
6372         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6373         name before adding it to names_to_release.
6374         (remove_bb): Always release SSA defs.
6375         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6376         before dereferencing it.
6377         * cgraphunit.c (init_lowered_empty_function): Always
6378         int SSA data structures.
6379         * tree-ssanames.c (release_defs): Remove assert that we are in
6380         SSA form.
6381         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6382
6383 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6384             Uros Bizjak  <ubizjak@gmail.com>
6385
6386         PR rtl-optimization/70467
6387         * config/i386/predicates.md (x86_64_hilo_int_operand,
6388         x86_64_hilo_general_operand): New predicates.
6389         * config/i386/constraints.md (Wd): New constraint.
6390         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6391         (general_hilo_operand): New mode attr.
6392         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6393         instead of <general_operand>.
6394         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6395         x86_64_hilo_general_operand instead of <general_operand>.
6396
6397 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6398
6399         PR tree-optimization/70916
6400         * tree-if-conv.c (constant_or_ssa_name): Removed.
6401         (fold_build_cond_expr): Use is_gimple_val instead of
6402         constant_or_ssa_name.
6403
6404         PR tree-optimization/70916
6405         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6406         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6407
6408         PR target/49244
6409         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6410         (optimize_atomic_bit_test_and): New function.
6411         (pass_fold_builtins::execute): Use it.
6412         * optabs.def (atomic_bit_test_and_set_optab,
6413         atomic_bit_test_and_complement_optab,
6414         atomic_bit_test_and_reset_optab): New optabs.
6415         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6416         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6417         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6418         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6419         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6420         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6421         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6422         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6423         atomic_bit_test_and_complement@var{mode},
6424         atomic_bit_test_and_reset@var{mode}): Document.
6425         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6426         atomic_bit_test_and_complement<mode>,
6427         atomic_bit_test_and_reset<mode>): New expanders.
6428         (atomic_bit_test_and_set<mode>_1,
6429         atomic_bit_test_and_complement<mode>_1,
6430         atomic_bit_test_and_reset<mode>_1): New insns.
6431
6432 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6433
6434         PR rtl-optimization/70687
6435         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6436         instead of unsigned HOST_WIDE_INT.
6437
6438 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6439
6440         PR rtl-optimization/44281
6441         * hard-reg-set.h (struct target_hard_regs): New field
6442         x_fixed_nonglobal_reg_set.
6443         (fixed_nonglobal_reg_set): New macro.
6444         * reginfo.c (init_reg_sets_1): Initialize it.
6445         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6446         of fixed_reg_set.
6447         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6448
6449 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6450
6451         PR tree-optimization/56541
6452         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6453         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6454         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6455         (any_complicated_phi): new static variable.
6456         (aggressive_if_conv): delete.
6457         (if_convertible_phi_p): support phis with more than two arguments.
6458         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6459         critical pred edges.
6460         (ifcvt_split_critical_edges): support phis with more than two
6461         arguments by checking new parameter.  only split critical edges
6462         if needed.
6463         (tree_if_conversion): handle simd pragma marked loop using new
6464         local variable aggressive_if_conv.  check any_complicated_phi.
6465
6466 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6467
6468         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6469         before using it.
6470
6471 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6472
6473         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6474         cbase.
6475
6476 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6477
6478         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6479         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6480         define_insn_and_split.
6481         (mulsi3_i): New define_insn_and_split.
6482         (mulsi3_call): Convert to define_insn.
6483         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6484         Remove constraints.
6485
6486 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6487
6488         * machmode.h (mode_complex): Add support to give the complex mode
6489         for a given mode.
6490         (GET_MODE_COMPLEX_MODE): Likewise.
6491         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6492         stored by build_complex_type and gfc_build_complex_type instead of
6493         trying to figure out the appropriate mode based on the size. Raise
6494         an assertion error, if the type was not set.
6495         * genmodes.c (struct mode_data): Add field for the complex type of
6496         the given type.
6497         (blank_mode): Likewise.
6498         (make_complex_modes): Remember the complex mode created in the
6499         base type.
6500         (emit_mode_complex): Write out the mode_complex array to map a
6501         type mode to the complex version.
6502         (emit_insn_modes_c): Likewise.
6503         * tree.c (build_complex_type): Set the complex type to use before
6504         calling layout_type.
6505         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6506         support for __float128 complex datatypes.
6507         (rs6000_hard_regno_mode_ok): Likewise.
6508         (rs6000_setup_reg_addr_masks): Likewise.
6509         (rs6000_complex_function_value): Likewise.
6510         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6511         __float128 and __ibm128 complex.
6512         (FLOAT128_IBM_P): Likewise.
6513         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6514         * doc/extend.texi (Additional Floating Types): Document that
6515         -mfloat128 must be used to enable __float128.  Document complex
6516         __float128 and __ibm128 support.
6517
6518 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6519
6520         PR target/49244
6521         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6522         char/short arguments promoted to int because of promote_prototypes.
6523
6524 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6525
6526         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6527         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6528         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6529         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6530         alternatives using "enabled" attribute.  Use register_ssemem_operand
6531         as operand 1 predicate.
6532         (*cmpi<unord>xf_i387): Split XFmode pattern from
6533         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6534         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6535         *absneg<mode>2_i387.  Disable unsupported alternatives using
6536         "enabled" attribute.
6537         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6538
6539 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6540
6541         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6542         marker.
6543         (oacc_loop_process): Check mask for loop termination.
6544
6545 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6546
6547         * cif-code.def (CIF_THUNK): Add.
6548         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6549         accidental change.
6550
6551 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6552
6553         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6554         (dump_inline_summary): Dump it.
6555         (fp_expression_p): New predicate.
6556         (estimate_function_body_sizes): Use it.
6557         (inline_merge_summary): Merge fp_expressions.
6558         (inline_read_section): Read fp_expressions.
6559         (inline_write_summary): Write fp_expressions.
6560         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6561         codegen boundary if either caller or callee is !fp_expressions.
6562         * ipa-inline.h (inline_summary): Add fp_expressions.
6563         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6564         to fp_expressions be sure the fp generation flags are updated.
6565
6566 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6567
6568         PR rtl-optimization/70467
6569         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6570
6571         PR rtl-optimization/70467
6572         * ipa-pure-const.c (check_call): Handle internal calls even in
6573         ipa mode like in local mode.
6574
6575 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6576
6577         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6578
6579 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6580
6581         * match.pd (X u< X, X u> X): New transformations.
6582
6583 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6584
6585         * flag-types.h (enum warn_strict_overflow_code): Move ...
6586         * coretypes.h: ... here.
6587         * fold-const.h (fold_overflow_warning): Declare.
6588         * fold-const.c (fold_overflow_warning): Make non-static.
6589         (fold_comparison): Move the transformation of X +- C1 CMP C2
6590         into X CMP C2 -+ C1 ...
6591         * match.pd: ... here.
6592         * gimple-fold.c (fold_stmt_1): Protect with
6593         fold_defer_overflow_warnings.
6594
6595 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6596
6597         * omp-low.c (struct oacc_loop): Add 'inner' field.
6598         (new_oacc_loop_raw): Initialize it to zero.
6599         (oacc_loop_fixed_partitions): Initialize it.
6600         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6601         available partitioning.
6602
6603 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6604
6605         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6606         register_operand.
6607         (umulsidi3): Likewise.
6608         (indirect_jump): Fix jump instruction assembly patterns.
6609
6610 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6611
6612         PR target/70860
6613         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6614         (nvptx_function_value): Assert non-NULL cfun.
6615
6616 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6617
6618         PR rtl-optimization/70886
6619         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6620
6621         * cselib.h (rtx_equal_for_cselib_1): Declare.
6622         (rtx_equal_for_cselib_p: New inline function.
6623         * cselib.c (rtx_equal_for_cselib_p): Delete.
6624         (rtx_equal_for_cselib_1): Make public.
6625
6626 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6627
6628         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6629         (register_mixssei387nonimm_operand): Remove predicate.
6630         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6631         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6632         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6633         for TARGET_MIX_SSE_I387 alternatives.
6634         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6635         Disable unsupported alternatives using "enabled" attribute.  Use
6636         nonimm_ssenomem_operand as operand 1 predicate.  Also check
6637         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6638
6639 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6640
6641         * tree.c (cst_and_fits_in_hwi): Simplify.
6642
6643 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6644
6645         * tree.h (wi::to_wide): New function.
6646         * expr.c (expand_expr_real_1): Use wi::to_wide.
6647         * fold-const.c (int_const_binop_1): Likewise.
6648         (extract_muldiv_1): Likewise.
6649
6650 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6651
6652         * wide-int.h: Update offset_int and widest_int documentation.
6653         (WI_SIGNED_SHIFT_RESULT): New macro.
6654         (wi::binary_shift): Define signed_shift_result_type for
6655         shifts on offset_int- and widest_int-like types.
6656         (generic_wide_int): Support <<= and >>= if << and >> are supported.
6657         * tree.h (int_bit_position): Use shift operators instead of wi::
6658          shifts.
6659         * alias.c (adjust_offset_for_component_ref): Likewise.
6660         * expr.c (get_inner_reference): Likewise.
6661         * fold-const.c (fold_comparison): Likewise.
6662         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6663         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6664         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6665         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6666         (stmt_kills_ref_p): Likewise.
6667         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6668         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6669         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6670         (ao_ref_init_from_vn_reference): Likewise.
6671
6672 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6673
6674         * wide-int.h: Update offset_int and widest_int documentation.
6675         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6676         (wi::binary_traits): Allow ordered comparisons between offset_int and
6677         offset_int, between widest_int and widest_int, and between either
6678         of these types and basic C types.
6679         (operator <, <=, >, >=): Define for the same combinations.
6680         * tree.h (tree_int_cst_lt): Use comparison operators instead
6681         of wi:: comparisons.
6682         (tree_int_cst_le): Likewise.
6683         * gimple-fold.c (fold_array_ctor_reference): Likewise.
6684         (fold_nonarray_ctor_reference): Likewise.
6685         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6686         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6687         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6688         * tree-sra.c (completely_scalarize): Likewise.
6689         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6690         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6691         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6692         (check_for_binary_op_overflow): Likewise.
6693         (search_for_addr_array): Likewise.
6694         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6695
6696 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6697
6698         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6699         (arc_save_restore): Likewise.
6700         (arc_dwarf_register_span): Likewise.
6701         (arc_output_pic_addr_const): Initialize suffix variable.
6702
6703 2016-05-02  Martin Liska  <mliska@suse.cz>
6704
6705         * symbol-summary.h (function_summary::function_summary):
6706         Remove checking assert for all cgraph nodes.
6707         (function_summary::get): Check summary_uid.
6708         (symtab_insertion): Check summary_uid.
6709
6710 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6711
6712         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6713         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6714         bmaskn instruction.
6715         (arc_dwarf_register_span): Remove enum keyword.
6716         (compact_memory_operand_p): New function.
6717         * config/arc/arc.h (reg_class): Add code density register classes.
6718         (REG_CLASS_NAMES): Likewise.
6719         (REG_CLASS_CONTENTS): Likewise.
6720         * config/arc/arc.md (*movqi_insn): Add code density instructions.
6721         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6722         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6723         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6724         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6725         constraints.
6726         (h, Rcd, Rsd, Rzd): New register constraints.
6727         (T): Use compact_memory_operand_p function.
6728         * config/arc/predicates.md (compact_load_memory_operand): Remove.
6729
6730 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6731
6732         * config/sh/sh.md (*negnegt, *movtt): Remove.
6733
6734 2016-05-02  Marek Polacek  <polacek@redhat.com>
6735             Tom de Vries  <tom@codesourcery.com>
6736
6737         PR tree-optimization/70700
6738         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6739         bigger than FIRST_REF_NODE.
6740
6741 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6742
6743         PR target/52898
6744         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6745         TARGET_CMPEQDI_T.
6746         (prepare_cbranch_operands): Don't use scratch register.  Assume that
6747         function is used when pseudos can be created.
6748         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
6749         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6750         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6751         define_expand.  Allow it only when pseudos can be created.
6752         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6753
6754 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
6755
6756         * config/i386/constraints.md (BC): Only allow -1 operands.
6757         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6758         Add "enabled" attribute.  Update XI mode attribute calculation.
6759         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6760         (*movoi_internal_avx): Update XI mode attribute calculation.
6761         (*movti_internal): Ditto.
6762
6763 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6764
6765         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6766         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6767
6768 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6769
6770         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6771         statement on instruction code.  Remove trailing spaces.
6772         (altivec_expand_stv_builtin): Likewise.
6773
6774 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6775
6776         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6777         (TARGET_FPU_DOUBLE): Simplify.
6778         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6779         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6780         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6781         with 'TARGET_FPU_DOUBLE'.
6782         * config/sh/sh.md: Likewise.
6783
6784 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
6785
6786         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6787         SH_DIV_STR_FOR_SIZE): Remove.
6788         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6789         SH_DIV_STR_FOR_SIZE): Remove.
6790
6791 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6792
6793         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6794         logical_reg_operand): Delete.
6795         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6796         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6797         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6798         match_operand and match_test.
6799         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
6800         variables on their first use.  Return bool values.
6801         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6802         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6803         arith_reg_operand for input operand.  Remove empty constraints.
6804         (xorsi3): Delete.
6805         (*xorsi3_compact): Rename to xorsi3.
6806         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6807         (*zero_extend<mode>si2_disp_mem): Update comment.
6808         (mov_nop): Delete.
6809
6810 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6811
6812         * config/sh/t-sh: Remove SH5 support.
6813         * config.gcc: Likewise.
6814         * configure: Likewise.
6815
6816 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6817
6818         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6819
6820 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6821
6822         * config/sh/sh.c (register_sh_passes, sh_option_override,
6823         sh_print_operand, prepare_move_operands,
6824         sh_can_follow_jump): Remove TARGET_SH1 checks.
6825         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6826         PROMOTE_MODE): Likewise.
6827         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6828         movdi): Likewise.
6829
6830 2016-04-30  Alan Modra  <amodra@gmail.com>
6831
6832         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6833         restoring when fixed_reg_p, but allow out-of-line or stmw save.
6834         Check for user regs later to avoid unnecessary looping over regs.
6835         Merge user reg check with non-saved reg check.  Don't force
6836         inline VR restore when static chain used.
6837         (rs6000_frame_related): Omit eh_frame info for user regs when
6838         saving.
6839         (fixed_regs_p): Delete.
6840
6841 2016-04-30  Alan Modra  <amodra@gmail.com>
6842
6843         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6844         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
6845         Update all uses.
6846
6847 2016-04-30  Alan Modra  <amodra@gmail.com>
6848
6849         PR target/69645
6850         * config/rs6000/rs6000.c (fixed_reg_p): New function.
6851         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
6852         Update all uses.
6853
6854 2016-04-30  Alan Modra  <amodra@gmail.com>
6855
6856         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6857         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
6858         flag_pic test for Darwin.
6859
6860 2016-04-30  Alan Modra  <amodra@gmail.com>
6861
6862         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6863         throw_calls_crossed.
6864         (REG_FREQ_CALLS_CROSSED): Delete.
6865         (REG_N_THROWING_CALLS_CROSSED): Delete.
6866         * regstat.c (regstat_bb_compute_ri): Don't calculate
6867         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6868         (dump_reg_info): Don't print call cross frequency.
6869         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6870         and REG_N_THROWING_CALLS_CROSSED.
6871
6872 2016-04-30  Alan Modra  <amodra@gmail.com>
6873
6874         * regs.h (struct reg_info_t): Delete live_length.
6875         (REG_LIVE_LENGTH): Delete macro.
6876         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6877         local_live, local_processed and local_live_last_luid params.
6878         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
6879         Formatting fixes.
6880         (regstat_compute_ri): Adjust for above.  Don't set
6881         REG_LIVE_LENGTH.
6882         (dump_reg_info): Don't print live length.
6883         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6884         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
6885         Localize loop_depth var.
6886
6887 2016-04-30  Alan Modra  <amodra@gmail.com>
6888
6889         * ira.c (enum valid_equiv): New.
6890         (validate_equiv_mem): Return enum.
6891         (update_equiv_mem): Create replacement in more cases.
6892         (add_store_equivs): Update validate_equiv_mem call.
6893
6894 2016-04-30  Alan Modra  <amodra@gmail.com>
6895
6896         * ira.c (combine_and_move_insns): Rather than scanning insns,
6897         use DF infrastucture to find use and def insns.
6898
6899 2016-04-30  Alan Modra  <amodra@gmail.com>
6900
6901         ira.c (combine_and_move_insns): Move invariant conditions..
6902         (ira.c): ..to here.  Call combine_and_move_insns before
6903         add_store_equivs.  Call grow_reg_equivs later.  Allocate
6904         req_equiv later using max_reg_num() rather than global max_regno.
6905         (contains_replace_regs): Delete.
6906         (add_store_equivs): Remove contains_replace_regs test.
6907
6908 2016-04-30  Alan Modra  <amodra@gmail.com>
6909
6910         * ira.c (struct equiv_mem_data): New.
6911         (equiv_mem, equiv_mem_modified): Delete static vars.
6912         (validate_equiv_mem_from_store): Use "data" param to communicate..
6913         (validate_equiv_mem): ..from here.
6914
6915 2016-04-30  Alan Modra  <amodra@gmail.com>
6916
6917         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6918         split out from..
6919         (update_reg_equivs): ..here.  Move allocation and freeing of
6920         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6921         end_alias_analysis to..
6922         (ira): ..here.
6923
6924 2016-04-30  Alan Modra  <amodra@gmail.com>
6925
6926         * ira.c (pdx_subregs): Delete.
6927         (struct equivalence): Add pdx_subregs field.
6928         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
6929         pdx_subregs access.
6930         (update_equiv_regs): Don't create or free pdx_subregs.  Update
6931         pdx_subregs access.
6932
6933 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6934
6935         * config/rs6000/altivec.h: Change definitions of vec_xl and
6936         vec_xst.
6937         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6938         (LD_ELEMREV_V2DI): New.
6939         (LD_ELEMREV_V4SF): New.
6940         (LD_ELEMREV_V4SI): New.
6941         (LD_ELEMREV_V8HI): New.
6942         (LD_ELEMREV_V16QI): New.
6943         (ST_ELEMREV_V2DF): New.
6944         (ST_ELEMREV_V2DI): New.
6945         (ST_ELEMREV_V4SF): New.
6946         (ST_ELEMREV_V4SI): New.
6947         (ST_ELEMREV_V8HI): New.
6948         (ST_ELEMREV_V16QI): New.
6949         (XL): New.
6950         (XST): New.
6951         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6952         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6953         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6954         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6955         (altivec_expand_builtin): Add handling for
6956         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6957         (rs6000_invalid_builtin): Add error-checking for
6958         RS6000_BTM_P9_VECTOR.
6959         (altivec_init_builtins): Define builtins used to implement vec_xl
6960         and vec_xst.
6961         (rs6000_builtin_mask_names): Define power9-vector.
6962         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6963         (RS6000_BTM_P9_VECTOR): Define.
6964         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6965         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6966         (vsx_ld_elemrev_v2df): Likewise.
6967         (vsx_ld_elemrev_v4sf): Likewise.
6968         (vsx_ld_elemrev_v4si): Likewise.
6969         (vsx_ld_elemrev_v8hi): Likewise.
6970         (vsx_ld_elemrev_v16qi): Likewise.
6971         (vsx_st_elemrev_v2df): Likewise.
6972         (vsx_st_elemrev_v2di): Likewise.
6973         (vsx_st_elemrev_v4sf): Likewise.
6974         (vsx_st_elemrev_v4si): Likewise.
6975         (vsx_st_elemrev_v8hi): Likewise.
6976         (vsx_st_elemrev_v16qi): Likewise.
6977         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
6978         grammar.
6979
6980 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
6981
6982         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6983         out into ...
6984         (simplify_control_stmt_condition_1): ... here.  Recurse into
6985         BIT_AND_EXPRs and BIT_IOR_EXPRs.
6986
6987 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
6988
6989         PR target/69810
6990         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
6991         (zero_extendqi<mode>2_dot): Revert earlier conversion from
6992         define_insn_and_split to define_insn.
6993         (zero_extendqi<mode>2_dot2): Same.
6994         (extendqi<mode>2_dot): Same.
6995         (extendqi<mode>2_dot2): Same.
6996
6997 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6998
6999         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
7000         (probe_stack): New expander.
7001         (probe_stack_<mode>): New insn pattern.
7002
7003 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7004
7005         * config/i386/i386.md
7006         (operations with memory inputs setting flags peephole2):
7007         Remove uneeded REG_P checks.  Cleanup pattern generation.
7008
7009 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
7010
7011         * tree-vect-loop.c (vect_transform_loop): Fix
7012         nb_iterations_upper_bound computation for vectorized loop.
7013
7014 2016-04-29  Marek Polacek  <polacek@redhat.com>
7015             Jakub Jelinek  <jakub@redhat.com>
7016
7017         PR sanitizer/70342
7018         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
7019         TARGET_EXPR_SLOT as a base.
7020
7021 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
7022
7023         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
7024         with 'rCm2' constraints to limit possible immediate size.
7025         (*load_zeroextendqisi_update): Likewise.
7026         (*load_signextendqisi_update): Likewise.
7027         (*loadhi_update): Likewise.
7028         (*load_zeroextendhisi_update): Likewise.
7029         (*load_signextendhisi_update): Likewise.
7030         (*loadsi_update): Likewise.
7031         (*loadsf_update): Likewise.
7032
7033 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7034
7035         * config/i386/predicates.md (constm1_operand): Fix comparison.
7036
7037 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7038
7039         * testsuite/gcc.target/arc/ieee_eq.c: New test.
7040
7041 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
7042
7043         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
7044         remaining SH5 related settings.
7045         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
7046         shmedia_prepare_call_address): Delete.
7047         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
7048         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
7049         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
7050         UNSUPPORTED_SH2A): Remove m5 checks.
7051         (sh_divide_strategy_e): Remove SH5 division strategies.
7052         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
7053         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
7054
7055 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7056
7057         * config/s390/s390.c (s390_rtx_costs): Update documentation.
7058
7059 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7060
7061         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
7062         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
7063         Change lder to ldr.
7064         * config/s390/vector.md ("mov<mode>"): Likewise.
7065
7066 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
7067
7068         * config/s390/constraints.md ("U", "W"): Invoke
7069         s390_mem_constraint with "ZR" and "ZT".
7070         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
7071         addresses when using LRA.  Accept also short displacements for S
7072         and T constraints.  Do not check for long displacement target for
7073         S and T constraints.
7074         (s390_mem_constraint): Remove handling of U and W constraints.
7075         * config/s390/s390.md (various patterns): Remove the short
7076         displacement constraints (Q and R) if a long displacement
7077         constraint is present.  Add longdisp as required CPU capability.
7078         * config/s390/vector.md: Likewise.
7079         * config/s390/vx-builtins.md: Likewise.
7080
7081 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
7082
7083         PR target/60040
7084         * reload1.c (reload): Call finish_spills before
7085         restarting reload loop. Skip select_reload_regs
7086         if update_eliminables_and_spill returns true.
7087
7088 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
7089
7090         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
7091         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
7092         (umulhisi3_imm): Update predicates and constraint letters.
7093         (umulhisi3_reg): Declare instruction as commutative.
7094         * config/arc/constraints.md (J12, J16): New constraints.
7095         * config/arc/predicates.md (short_unsigned_const_operand): New
7096         predicate.
7097         (arc_short_operand): Likewise.
7098         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
7099
7100 2016-04-29  Richard Biener  <rguenther@suse.de>
7101
7102         PR tree-optimization/13962
7103         PR tree-optimization/65686
7104         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
7105         * tree-ssa-alias.c (ptrs_compare_unequal): New function
7106         using PTA to compare pointers.
7107         * match.pd: Add pattern for pointer equality compare simplification
7108         using ptrs_compare_unequal.
7109
7110 2016-04-29  Richard Biener  <rguenther@suse.de>
7111
7112         * stor-layout.c (layout_type): Do not build a pointer-to-element
7113         type for arrays.
7114
7115 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7116
7117         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
7118         Use SWI mode iterator.  Use general_reg_operand predicate.
7119         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
7120         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
7121         predicates.
7122
7123 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
7124
7125         PR middle-end/70843
7126         * fold-const.c (operand_equal_p): Don't verify hash value equality
7127         if arg0 == arg1.
7128         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
7129         and OMP_CLAUSE.
7130
7131 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7132
7133         PR target/70858
7134         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
7135         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
7136         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
7137         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
7138         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
7139
7140 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7141
7142         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
7143         to info.  Don't initialize separate fields to 0.  Clean up
7144         formatting a bit.
7145
7146 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7147
7148         * config/i386/i386.md (peephole2s for operations with memory inputs):
7149         Use SWI mode iterator.
7150         (peephole2s for operations with memory outputs): Ditto.
7151         Do not check for stack checking probe.
7152
7153         (probe_stack): Remove expander.
7154
7155 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7156             Andrew Burgess  <andrew.burgess@embecosm.com>
7157
7158         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
7159         operands as 32-bits.
7160
7161 2016-04-28  Jason Merrill  <jason@redhat.com>
7162
7163         * gdbinit.in: Skip line-map.h.
7164
7165 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7166             Andrew Burgess  <andrew.burgess@embecosm.com>
7167
7168         * config/arc/arc.c (arc_conditional_register_usage): Take
7169         TARGET_RRQ_CLASS into account.
7170         (arc_print_operand): Support printing 'p' and 's' operands.
7171         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
7172         as 0.
7173         (TARGET_RRQ_CLASS): Define.
7174         (IS_POWEROF2_OR_0_P): Define.
7175         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
7176         alternatives.
7177         (*tst_movb): New define_insn.
7178         (*tst): Avoid recognition if it could prevent '*tst_movb'
7179         combination; replace c/CnL with c/Chs alternative.
7180         (*tst_bitfield_tst): New define_insn.
7181         (*tst_bitfield_asr): New define_insn.
7182         (*tst_bitfield): New define_insn.
7183         (andsi3_i): Add Rrq variant.
7184         (extzv): New define_expand.
7185         (insv): New define_expand.
7186         (*insv_i): New define_insn.
7187         (*movb): New define_insn.
7188         (*movb_signed): New define_insn.
7189         (*movb_high): New define_insn.
7190         (*movb_high_signed): New define_insn.
7191         (*movb_high_signed + 1): New define_split pattern.
7192         (*mrgb): New define_insn.
7193         (*mrgb + 1): New define_peephole2 pattern.
7194         (*mrgb + 2): New define_peephole2 pattern.
7195         * config/arc/arc.opt (mbitops): New option for nps400, uses
7196         TARGET_NPS_BITOPS_DEFAULT.
7197         * config/arc/constraints.md (q): Make register class conditional.
7198         (Rrq): New register constraint.
7199         (Chs): New constraint.
7200         (Clo): New constraint.
7201         (Chi): New constraint.
7202         (Cbf): New constraint.
7203         (Cbn): New constraint.
7204         (C18): New constraint.
7205         (Cbi): New constraint.
7206
7207 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7208
7209         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7210         dst->popcount.
7211         (bitmap_intersection_of_preds): Ditto.
7212         (bitmap_union_of_succs): Ditto.
7213         (bitmap_union_of_preds): Ditto.
7214         * sbitmap.c (do_popcount): Delete.
7215         (BITMAP_DEBUGGING): Delete.
7216         (sbitmap_verify_popcount): Delete.
7217         (sbitmap_alloc): Don't initialize the popcount field.
7218         (sbitmap_alloc_with_popcount): Delete.
7219         (sbitmap_resize): Don't resize the popcount array.
7220         (sbitmap_vector_alloc): Don't initialize the popcount field.
7221         (bitmap_copy): Don't copy the popcount array.
7222         (bitmap_clear): Don't clear the popcount array.
7223         (bitmap_clear): Delete the popcount array handling.
7224         (bitmap_ior_and_compl): Delete the popcount assert.
7225         (bitmap_not): Ditto.
7226         (bitmap_and_compl): Ditto.
7227         (bitmap_and): Delete the popcount array handling.
7228         (bitmap_xor): Ditto.
7229         (bitmap_ior): Ditto.
7230         (bitmap_or_and): Delete the popcount assert.
7231         (bitmap_and_or): Ditto.
7232         (popcount_table): Delete.
7233         (sbitmap_elt_popcount): Delete.
7234         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7235         (bitmap_set_bit): Delete the popcount assert.
7236         (bitmap_clear_bit): Ditto.
7237         (sbitmap_free): Don't free the popcount array.
7238         (sbitmap_alloc_with_popcount): Delete declaration.
7239         (sbitmap_popcount): Ditto.
7240
7241 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7242             Andrew Burgess  <andrew.burgess@embecosm.com>
7243
7244         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7245         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7246         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7247         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7248         * config/arc/arc.opt (mcmem): New option.
7249         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7250         supply length for r/m alternative.
7251         (*extendqisi2_ac): Likewise.
7252         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7253         r/Uex alternative.
7254         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7255         (movhi_insn): Likewise.
7256         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7257         (*zero_extendqihi2_i): Add r/Ucm alternative.
7258         (*zero_extendqisi2_ac): Likewise.
7259         (*zero_extendhisi2_i): Likewise.
7260         * config/arc/constraints.md (Uex): New memory constraint.
7261         (Ucm): New define_constraint.
7262         * config/arc/predicates.md (long_immediate_loadstore_operand):
7263         Return 0 for MEM with cmem_address address.
7264         (cmem_address_0): New predicates.
7265         (cmem_address_1): Likewise.
7266         (cmem_address_2): Likewise.
7267         (cmem_address): Likewise.
7268
7269 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7270
7271         * config/rs6000/rs6000.c (machine_function): Rename
7272         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7273         (rs6000_stack_info): Adjust.
7274
7275 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7276             Andrew Burgess  <andrew.burgess@embecosm.com>
7277
7278         * config/arc/constraints.md (Usd): Convert to define_constraint.
7279         (Us<): Likewise.
7280         (Us>): Likewise.
7281
7282 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7283
7284         PR target/70821
7285         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7286         Add new peephole2 where the first insn is *mov<mode>_or instead of
7287         *mov<mode>_internal.
7288
7289 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7290
7291         * tracer.c (bb_seen): Make static.
7292
7293 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7294
7295         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7296         support, setup defaults.
7297         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7298         * config/arc/arc.c (arc_init): Add NPS400 support.
7299         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7300         (TARGET_ARC700): NPS400 is also an ARC700.
7301         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7302
7303 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7304
7305         PR target/70668
7306         * config/nds32/nds32.md (casesi): Don't access the operands array
7307         out of bounds.
7308
7309 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7310
7311         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7312         (or $-1,reg peephole2): Ditto.
7313         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7314
7315 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7316
7317         * doc/extend.texi (Common Function Attributes) [optimize]:
7318         Discourage use of the optimize attribute.
7319
7320 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7321
7322         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7323         special case builtin.
7324         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7325         ALTIVEC_BUILTIN_VEC_ADDE.
7326         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7327         support for ALTIVEC_BUILTIN_VEC_ADDE.
7328         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7329         for __builtin_vec_adde.
7330
7331 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7332
7333         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7334         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7335
7336 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7337
7338         PR testsuite/70595
7339         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7340         attributes): Document cilkplus_runtime.
7341
7342 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7343
7344         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7345         this function.  Call verify_expr on MEM_REFs and bases of other
7346         handled_components.
7347
7348 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7349
7350         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7351         for WORD_REGISTER_OPERATIONS to runtime check.
7352
7353 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7354
7355         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7356
7357 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7358
7359         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7360         big-endian compilation.
7361         * config/arc/arc.md (addf3): Likewise.
7362         (subdf3): Likewise.
7363         (muldf3): Likewise.
7364
7365 2016-04-28  Richard Biener  <rguenther@suse.de>
7366
7367         PR tree-optimization/70840
7368         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7369         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7370         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7371         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7372
7373 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7374
7375         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7376         and explain why in a comment.
7377
7378 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7379
7380         * config/arc/arc.md (cpu_facility): Add fpx variant.
7381         (subdf3): Prohibit use reverse sub when assist operations option
7382         is enabled.
7383         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7384         instructions only when FPX is enabled.
7385         * testsuite/gcc.target/arc/trsub.c: New test.
7386
7387 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7388
7389         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7390         mult_operator when calculating "type" attribute.
7391         (*fop_<mode>_1_i387): Ditto.
7392         (*fop_xf_1_i387): Ditto.
7393         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7394         Use std::swap to swap operands.  Use RTL expressions to generate
7395         converted pattern.
7396
7397 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7398             Joern Rennecke  <joern.rennecke@embecosm.com>
7399
7400         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7401         declaration.
7402         (emit_pic_move): Remove.
7403         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7404         * config/arc/arc.c (emit_pic_move): Removed.
7405         (TARGET_HAVE_TLS): Define.
7406         (arc_conditional_register_usage): Test for arc_tp_regno.
7407         (arc_print_operand, arc_print_operand_address): Handle TLS
7408         unspecs.
7409         (arc_needs_pcl_p): New function.
7410         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7411         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7412         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7413         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7414         (arc_legitimize_tls_address): Likewise.
7415         (DTPOFF_ZERO_SYM): Define.
7416         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7417         (arc_output_pic_addr_const): Print TLS unspecs.
7418         (prepare_pic_move): New function, replaces emit_pic_move.
7419         (arc_legitimate_constant_p): Handle TLS unspecs.
7420         (arc_legitimate_address_p): Likewise.
7421         (arc_rewrite_small_data_p): Use assert for TLS constants.
7422         (prepare_move_operands): Use prepare_pic_move.
7423         (arc_legitimize_address): Legitimize tls addresses.
7424         (arc_epilogue_uses): Check for arc_tp_regno.
7425         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7426         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7427         Define.
7428         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7429         Likewise.
7430         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7431         %(arc_tls_extra_start_spec).
7432         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7433         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7434         (EH_USES): Define.
7435         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7436         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7437         (UNSPEC_TLS_OFF): Add.
7438         (R10_REG): Define.
7439         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7440         (get_thread_pointersi): New patterns.
7441         * config/arc/arc.opt (mtp-regno): New option.
7442         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7443         (move_dest_operand): Likewise.
7444         * configure: Regenerate.
7445         * configure.ac: Add arc*-*-* case to test for tls.
7446         * doc/invoke.texi (ARC options): Document mtp-regno.
7447
7448 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7449
7450         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7451         the new ARC HS SIMD instructions.
7452         (arc_preferred_simd_mode): New function.
7453         (arc_autovectorize_vector_sizes): Likewise.
7454         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7455         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7456         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7457         (arc_init_builtins): Add new SIMD builtin types.
7458         (arc_split_move): Handle 64 bit vector moves.
7459         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7460         (TARGET_PLUS_QMACW): Define.
7461         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7462         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7463         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7464         (VSUBADD4H): New builtins.
7465         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7466         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7467
7468 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7469             Matthias Klose  <doko@debian.org>
7470
7471         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7472
7473 2016-04-28  Richard Biener  <rguenther@suse.de>
7474
7475         PR middle-end/70777
7476         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7477         canonicalization.
7478
7479 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7480
7481         * common/config/sh/sh-common.c: Remove SH5 support.
7482         * config/sh/constraints.md: Likewise.
7483         * config/sh/config/sh/elf.h: Likewise.
7484         * config/sh/linux.h: Likewise.
7485         * config/sh/netbsd-elf.h: Likewise.
7486         * config/sh/predicates.md: Likewise.
7487         * config/sh/sh-c.c: Likewise.
7488         * config/sh/sh-protos.h: Likewise.
7489         * config/sh/sh.c: Likewise.
7490         * config/sh/sh.h: Likewise.
7491         * config/sh/sh.md: Likewise.
7492         * config/sh/sh.opt: Likewise.
7493         * config/sh/sync.md: Likewise.
7494         * config/sh/sh64.h: Delete.
7495         * config/sh/shmedia.h: Likewise.
7496         * config/sh/shmedia.md: Likewise.
7497         * config/sh/sshmedia.h: Likewise.
7498         * config/sh/t-netbsd-sh5-64: Likewise.
7499         * config/sh/t-sh64: Likewise.
7500         * config/sh/ushmedia.h: Likewise.
7501
7502 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7503
7504         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7505         general_reg_operand instead of register_operand predicate.
7506
7507 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7508
7509         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7510
7511 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7512
7513         * match.pd (A - B > A, A + B < A): New transformations.
7514
7515 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7516
7517         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7518         which defaults to true.  Emit an outer pair of parentheses only if
7519         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7520         don't emit parentheses for the right-hand operand.
7521
7522 2016-04-27  Jeff Law  <law@redhat.com>
7523
7524         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7525
7526 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7527
7528         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7529         (altivec_lvx_<mode>_internal): Document.
7530         (altivec_lvx_<mode>_2op): New define_insn.
7531         (altivec_lvx_<mode>_1op): Likewise.
7532         (altivec_lvx_<mode>_2op_si): Likewise.
7533         (altivec_lvx_<mode>_1op_si): Likewise.
7534         (altivec_stvx_<mode>): Remove.
7535         (altivec_stvx_<mode>_internal): Document.
7536         (altivec_stvx_<mode>_2op): New define_insn.
7537         (altivec_stvx_<mode>_1op): Likewise.
7538         (altivec_stvx_<mode>_2op_si): Likewise.
7539         (altivec_stvx_<mode>_1op_si): Likewise.
7540         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7541         Expand vec_ld and vec_st during parsing.
7542         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7543         changes.
7544         (altivec_expand_stvx_be): Likewise.
7545         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7546         address-masking behavior in RTL.
7547         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7548         address-masking behavior in RTL.
7549         (altivec_expand_builtin): Change builtin code arguments for calls
7550         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7551         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7552         presence of lvx/stvx patterns.
7553         (alignment_with_canonical_addr): New function.
7554         (alignment_mask): Likewise.
7555         (find_alignment_op): Likewise.
7556         (recombine_lvx_pattern): Likewise.
7557         (recombine_stvx_pattern): Likewise.
7558         (recombine_lvx_stvx_patterns): Likewise.
7559         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7560         stvx patterns from expand.
7561         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7562         expansions.
7563         (vector_altivec_store_<mode>): Likewise.
7564
7565 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7566
7567         * config/aarch64/aarch64.md
7568         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7569         remove the "fp" attributes.
7570         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7571         add the "simd" attributes.
7572         (*movdf_aarch64): Likewise.
7573         (*movtf_aarch64): Remove the "fp" attributes.
7574         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7575         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7576
7577 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7578
7579         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7580         rtx to rtx_code_label *.
7581         * rtl.h (maybe_set_first_label_num): Likewise.
7582
7583 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7584
7585         * df-core.c (df_add_problem): Make the problem param be const.
7586         (df_remove_problem): Make local "problem" be const.
7587         * df-problems.c (problem_RD): Make const.
7588         (problem_LR): Likewise.
7589         (problem_LIVE): Likewise.
7590         (problem_MIR): Likewise.
7591         (problem_CHAIN): Likewise.
7592         (problem_WORD_LR): Likewise.
7593         (problem_NOTE): Likewise.
7594         (problem_MD): Likewise.
7595         * df-scan.c (problem_SCAN): Likewise.
7596         * df.h (struct df_problem): Make field "dependent_problem" be
7597         const.
7598         (struct dataflow): Likewise for field "problem".
7599         (df_add_problem): Make param const.
7600
7601 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7602
7603         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7604         inter-unit moves to/from vector registers are enabled.  Do not disable
7605         for TARGET_MMX.
7606
7607 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7608
7609         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7610         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7611         #define to...
7612         (enum df_problem_id): ...this new enum.
7613         (struct df_problem): Convert field "id" from "int" to
7614         enum df_problem_id.
7615
7616 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7617
7618         * rtl.def: Update comment for "things in the instruction chain" to
7619         reflect the removal of the leading "i" field for INSN_UID in
7620         r210360.  Fix bogus apostrophe.
7621
7622 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7623
7624         * config/i386/i386.md
7625         (lea arith with mem operand + setcc peephole2): Set operator mode.
7626
7627 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7628
7629         PR target/70155
7630         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7631         (dimode_scalar_to_vector_candidate_p): This.
7632         (timode_scalar_to_vector_candidate_p): New function.
7633         (scalar_to_vector_candidate_p): Likewise.
7634         (timode_check_non_convertible_regs): Likewise.
7635         (timode_remove_non_convertible_regs): Likewise.
7636         (remove_non_convertible_regs): Likewise.
7637         (remove_non_convertible_regs): Renamed to ...
7638         (dimode_remove_non_convertible_regs): This.
7639         (scalar_chain::~scalar_chain): Make it virtual.
7640         (scalar_chain::compute_convert_gain): Make it pure virtual.
7641         (scalar_chain::mark_dual_mode_def): Likewise.
7642         (scalar_chain::convert_insn): Likewise.
7643         (scalar_chain::convert_registers): Likewise.
7644         (scalar_chain::add_to_queue): Make it protected.
7645         (scalar_chain::emit_conversion_insns): Likewise.
7646         (scalar_chain::replace_with_subreg): Likewise.
7647         (scalar_chain::replace_with_subreg_in_insn): Likewise.
7648         (scalar_chain::convert_op): Likewise.
7649         (scalar_chain::convert_reg): Likewise.
7650         (scalar_chain::make_vector_copies): Likewise.
7651         (scalar_chain::convert_registers): New pure virtual function.
7652         (class dimode_scalar_chain): New class.
7653         (class timode_scalar_chain): Likewise.
7654         (scalar_chain::mark_dual_mode_def): Renamed to ...
7655         (dimode_scalar_chain::mark_dual_mode_def): This.
7656         (timode_scalar_chain::mark_dual_mode_def): New function.
7657         (timode_scalar_chain::convert_insn): Likewise.
7658         (dimode_scalar_chain::convert_registers): Likewise.
7659         (scalar_chain::compute_convert_gain): Renamed to ...
7660         (dimode_scalar_chain::compute_convert_gain): This.
7661         (scalar_chain::replace_with_subreg): Renamed to ...
7662         (dimode_scalar_chain::replace_with_subreg): This.
7663         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7664         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7665         (scalar_chain::make_vector_copies): Renamed to ...
7666         (dimode_scalar_chain::make_vector_copies): This.
7667         (scalar_chain::convert_reg): Renamed to ...
7668         (dimode_scalar_chain::convert_reg ): This.
7669         (scalar_chain::convert_op): Renamed to ...
7670         (dimode_scalar_chain::convert_op): This.
7671         (scalar_chain::convert_insn): Renamed to ...
7672         (dimode_scalar_chain::convert_insn): This.
7673         (scalar_chain::convert): Call convert_registers.
7674         (convert_scalars_to_vector): Change to scalar_chain pointer to
7675         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7676         in 32-bit mode.  Delete scalar_chain pointer.  Call
7677         free_dominance_info in 64-bit mode.
7678         (pass_stv::gate): Remove TARGET_64BIT check.
7679         (ix86_option_override): Put the 64-bit STV pass before the CSE
7680         pass.
7681
7682 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
7683
7684         * dwarf2out.h (struct dw_loc_descr_node): Remove the
7685         dw_loc_frame_offset field.
7686         * dwarf2out.c (new_loc_descr): Likewise.
7687         (resolve_args_picking_1): Turn the VISITED hash set into a
7688         FRAME_OFFSET hash map. Use it to associate a frame offset to
7689         visited nodes. Remove uses of the CHECKING_P macro.
7690         (resolve_args_picking): Update call to resolve_args_picking_1.
7691
7692 2016-04-27  Martin Liska  <mliska@suse.cz>
7693
7694         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7695         (free_loop_data): Release vuses of groups.
7696
7697 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
7698
7699         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7700         instead of redundant use_id and boolean have_use_for.
7701         (struct iv_use): Change sub_id into group_id.  Remove field next.
7702         Move fields: related_cands, n_map_members, cost_map and selected
7703         to ...
7704         (struct iv_group): ... here.  New structure.
7705         (struct iv_common_cand): Use structure declaration directly.
7706         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7707         (MAX_CONSIDERED_USES): Rename macro to ...
7708         (MAX_CONSIDERED_GROUPS): ... here.
7709         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7710         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7711         (dump_uses): Rename to ...
7712         (dump_groups): ... here.  Update all uses.
7713         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7714         (find_induction_variables): Refactor format of dump information.
7715         (record_sub_use): Delete.
7716         (record_use): Update all uses.
7717         (record_group): New function.
7718         (record_group_use, find_interesting_uses_op): Call above functions.
7719         Update all uses.
7720         (find_interesting_uses_cond): Ditto.
7721         (group_compare_offset): New function.
7722         (split_all_small_groups): Rename to ...
7723         (split_small_address_groups_p): ... here.  Update all uses.
7724         (split_address_groups):  Update all uses.
7725         (find_interesting_uses): Refactor format of dump information.
7726         (add_candidate_1): Update all uses.  Remove redundant check on iv,
7727         base and step.
7728         (add_candidate, record_common_cand): Remove redundant assert.
7729         (add_iv_candidate_for_biv): Update use.
7730         (add_iv_candidate_derived_from_uses): Update all uses.
7731         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7732         (alloc_use_cost_map): Ditto.
7733         (set_use_iv_cost, get_use_iv_cost): Rename to ...
7734         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
7735         (determine_use_iv_cost_generic): Ditto.
7736         (determine_group_iv_cost_generic): Ditto.
7737         (determine_use_iv_cost_address): Ditto.
7738         (determine_group_iv_cost_address): Ditto.
7739         (determine_use_iv_cost_condition): Ditto.
7740         (determine_group_iv_cost_cond): Ditto.
7741         (determine_use_iv_cost): Ditto.
7742         (determine_group_iv_cost): Ditto.
7743         (set_autoinc_for_original_candidates): Update all uses.
7744         (find_iv_candidates): Update all uses.  Refactor dump information.
7745         (determine_use_iv_costs): Ditto.
7746         (determine_iv_costs): Ditto.
7747         (iv_ca_cand_for_use): Rename to ...
7748         (iv_ca_cand_for_group): ... here.  Update all uses.
7749         (iv_ca_add_use, iv_ca_add_group): Ditto.
7750         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7751         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7752         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7753         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7754         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7755         (create_new_iv, adjust_iv_update_pos): Ditto.
7756         (rewrite_use_address): Delete.
7757         (rewrite_use_address_1): Rename to ...
7758         (rewrite_use_address): ... here.
7759         (rewrite_use_compare): Update all uses.
7760         (rewrite_use): Delete.
7761         (rewrite_uses): Rename to ...
7762         (rewrite_groups): ... here.  Update all uses.
7763         (remove_unused_ivs, free_loop_data): Update all uses.
7764         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7765
7766 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7767
7768         * rtlanal.c (nonzero_bits1): Convert preprocessor check
7769         for WORD_REGISTER_OPERATIONS to runtime check.
7770
7771 2016-04-27  Richard Biener  <rguenther@suse.de>
7772
7773         PR ipa/70760
7774         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7775         aggregate_value_p to determine if a function result is
7776         returned by reference.
7777         (ipa_pta_execute): Functions having their address taken are
7778         not automatically nonlocal.
7779
7780 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7781
7782         PR sanitizer/70683
7783         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7784         * fold-const.c (operand_equal_p): If flag_checking and
7785         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7786         and if it returns non-zero, assert iterative_hash_expr on both
7787         args is the same.
7788
7789 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7790
7791         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7792
7793 2016-04-27  Nick Clifton  <nickc@redhat.com>
7794
7795         PR middle-end/49889
7796         * varasm.c (merge_weak): Generate an error if an attempt is made
7797         to convert a non-weak static function into a weak, public function.
7798
7799 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7800
7801         * params.def (MAX_PARTITION_SIZE): New param.
7802         * doc/invoke.texi: Document lto-max-partition.
7803
7804 2016-04-27  Richard Biener  <rguenther@suse.de>
7805
7806         PR ipa/70785
7807         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7808         function cummulating used_from_other_partition, externally_visible
7809         and force_output from aliases.
7810         (refered_from_nonlocal_var): Likewise.
7811         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7812         node flags properly.
7813
7814 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7815
7816         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7817         (-Wmemset-elt-size): New item.
7818
7819 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
7820
7821         PR ada/70759
7822         * stor-layout.h (internal_reference_types): Delete.
7823         * stor-layout.c (reference_types_internal): Likewise.
7824         (internal_reference_types): Likewise.
7825         (layout_type) <REFERENCE_TYPE>: Adjust.
7826
7827 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7828
7829         PR sanitizer/70683
7830         * tree.h (inchash::add_expr): Add FLAGS argument.
7831         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
7832         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
7833         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7834         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
7835         if swap_tree_comparison (code) is smaller than code, hash that
7836         and arguments in the other order.  Hash CONVERT_EXPR the same
7837         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7838         of ADDR_EXPR of decl as the decl itself.  Add or remove
7839         OEP_ADDRESS_OF from recursive flags as needed.  For
7840         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7841         operands commutatively and only the third one normally.
7842         For internal CALL_EXPR hash in CALL_EXPR_IFN.
7843
7844 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7845
7846         * config/rtems.h (LIB_SPEC): Add -latomic.
7847
7848 2016-04-27  Joel Sherrill  <joel@rtems.org>
7849
7850         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7851         xilink.ld and flags not relevant to RTEMS.
7852
7853 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
7854
7855         * toplev.c (backend_init_target): Avoid calling init_reload when using
7856         LRA.
7857
7858 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7859
7860         * reorg.c (try_merge_delay_insns): Declare i and j inside the
7861         for loops rather than one for the whole function.
7862
7863 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7864
7865         * match.pd (X + CST CMP X): New transformation.
7866
7867 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7868
7869         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7870         * fold-const.c (fold_binary_loc): Remove 2 transformations
7871         superseded by match.pd.
7872         * match.pd (x+x -> x*2): Generalize to integers.
7873
7874 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
7875
7876         * config/i386/i386.md (operation on memory peephole): Duplicate an
7877         existing peephole and adapt it to match lea rather than an operation
7878         that clobbers CC.
7879
7880         PR rtl-optimization/57193
7881         * opts.c (default_options_table): Add OPT_frename_registers at -O2
7882         and above.
7883         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7884
7885 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7886
7887         * tree-if-conv.c (any_pred_load_store): New static variable.
7888         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
7889         any_pred_load_store instead of and_mask_load_store.
7890         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7891         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7892         (combine_blocks, tree_if_conversion): Ditto.
7893
7894 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7895
7896         PR tree-optimization/70771
7897         PR tree-optimization/70775
7898         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7899         virtual PHI nodes.  Delete parameter.
7900         (if_convertible_loop_p_1): Delete argument to above function.
7901         (predicate_all_scalar_phis): Delete code handling single-argument
7902         PHIs.
7903         (tree_if_conversion): Mark and update virtual SSA.
7904
7905 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7906
7907         PR target/61821
7908         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7909         (x86_elf_aligned_common): Rename to ...
7910         (x86_elf_aligned_decl_common): ... this.
7911         Add decl arg.  Switch to .lbss for largecomm object.  Use
7912         LARGECOMM_SECTION_ASM_OP.
7913         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7914         renaming.
7915         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7916         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7917         Pass new decl arg.
7918         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7919         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7920
7921 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7922
7923         PR target/59407
7924         * config/i386/i386.c (SECTION_LARGE): Define.
7925         (x86_64_elf_select_section): Set it for large data/bss sections.
7926         Only clear SECTION_WRITE for .lrodata.
7927         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7928         data/bss sections.
7929         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7930         * varasm.c (default_elf_asm_named_section): Grow flagchars.
7931         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7932         SECTION_MACH_DEP.
7933         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7934         * doc/tm.texi: Regenerate.
7935
7936 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7937
7938         PR bootstrap/70704
7939         * configure.ac (--enable-checking): Document extra flag, for
7940         non-release builds default to --enable-checking=yes,extra.
7941         If misc checking and extra checking, define CHECKING_P to 2 instead
7942         of 1.
7943         * common.opt (fchecking=): Add.
7944         * doc/invoke.texi (-fchecking=): Document.
7945         * doc/install.texi: Document --enable-checking changes.
7946         * configure: Regenerated.
7947         * config.in: Regenerated.
7948
7949 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7950
7951         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7952         attribute instead of which_alternative.
7953         * config/i386/sse.md (*mov<mode>_internal): Ditto.
7954         Use EXT_REX_SSE_REG_P where appropriate.
7955
7956 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7957
7958         * config/i386/predicates.md (const0_operand): Do not match
7959         const_wide_int code.
7960         (const1_operand): Ditto.
7961
7962 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7963
7964         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7965         for SSE constm1 operands and TARGET_AVX512VL.
7966         (*movti_internal): Ditto.
7967         (*mov<mode>_or): Use constm1_operand predicate.
7968         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7969         for SSE vector_all_ones operands and TARGET_AVX512VL.
7970         * config/i386/predicates.md (constm1_operand): New predicate.
7971         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7972         emission of constant -1 load.
7973
7974 2016-04-25  Jason Merrill  <jason@redhat.com>
7975
7976         * gdbinit.in: Skip is-a.h.
7977
7978         * attribs.c (register_scoped_attributes): Fix logic.
7979         * attribs.h: Declare register_scoped_attributes.
7980
7981 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7982
7983         * config/rs6000/rs6000-builtin.def: Correct pasto error for
7984         stxvd2x and stxvw4x built-in functions.
7985
7986 2016-04-25  DJ Delorie  <dj@redhat.com>
7987
7988         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
7989         (ashrhi3): Likewise.
7990         (lshrhi3): Likewise.
7991
7992 2016-04-25  Richard Biener  <rguenther@suse.de>
7993
7994         PR tree-optimization/70780
7995         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
7996         wasn't visited yet.
7997         (compute_antic): Mark blocks with abnormal preds as visited as
7998         they have a final empty antic-in solution already.
7999
8000 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8001
8002         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
8003
8004 2016-04-25  Michael Collison  <michael.collison@linaro.org>
8005
8006         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
8007         mode is VQI to improve mixed mode vectorization.
8008         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
8009         define_insn to match low half of signed vaddw.
8010         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
8011         define_insn to match high half of signed vaddw.
8012         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
8013         define_insn to match low half of unsigned vaddw.
8014         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
8015         define_insn to match high half of unsigned vaddw.
8016         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
8017         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8018         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
8019         for new function.
8020         (arm_simd_check_vect_par_cnst_half_p): Likewise.
8021         * config/arm/predicates.md (vect_par_constant_high): Support
8022         big endian and simplify by calling
8023         arm_simd_check_vect_par_cnst_half
8024         (vect_par_constant_low): Likewise.
8025
8026 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
8027
8028         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
8029         predicate for operand 2.
8030
8031 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
8032             H.J. Lu  <hongjiu.lu@intel.com>
8033
8034         * config/i386/i386-protos.h (standard_sse_constant_p): Add
8035         machine_mode argument.
8036         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
8037         constm1_rtx operands.  For VOIDmode constants, get mode from
8038         pred_mode.  Check mode size if the mode is supported by ABI.
8039         (standard_sse_constant_opcode): Do not use standard_constant_p.
8040         Strictly check ABI support for all-ones operands.
8041         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
8042         immediates. Update calls to standard_sse_constant_p.
8043         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
8044         (ix86_rtx_costs): Ditto.
8045         * config/i386/i386.md (*movxi_internal_avx512f): Use
8046         nonimmediate_or_sse_const_operand instead of vector_move_operand.
8047         Use (v,BC) alternative instead of (v,C). Use register_operand
8048         checks instead of MEM_P.
8049         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
8050         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
8051         isa attribute.  Use register_operand checks instead of MEM_P.
8052         (*movti_internal): Use nonimmediate_or_sse_const_operand for
8053         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
8054         alternative and corresponding sse2 isa attribute.
8055         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
8056         to standard_sse_constant_p.
8057         (FP constant splitters): Ditto.
8058         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
8059         (C): Ditto.
8060         * config/i386/predicates.md (constm1_operand): Remove.
8061         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
8062         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
8063         vector_all_ones_operand instead of constm1_operand.
8064
8065 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8066
8067         * print-rtl.c (print_rtx_insn_vec): New function.
8068         * print-rtl.h: New prototype.
8069         * store-motion.c (struct st_expr): Make avail_stores a vector.
8070         (st_expr_entry): Adjust.
8071         (free_st_expr_entry): Likewise.
8072         (print_store_motion_mems): Likewise.
8073         (find_moveable_store): Likewise.
8074         (compute_store_table): Likewise.
8075         (delete_store): Likewise.
8076         (build_store_vectors): Likewise.
8077
8078 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8079
8080         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
8081
8082 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8083
8084         * vec.h (vec_safe_contains): New function.
8085         (vec::contains): Likewise.
8086         (vec::begin): Likewise.
8087         (vec::end): Likewise.
8088
8089 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
8090
8091         PR sanitizer/70712
8092         * cfgexpand.c (expand_stack_vars): Fix typo.
8093
8094 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8095
8096         * system.h (list, map, set, vector): Include conditionally.
8097         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
8098         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
8099         * ipa-icf.c (INCLUDE_LIST): Define.
8100         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
8101         * config/sh/sh.c (INCLUDE_VECTOR): Define.
8102         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
8103         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
8104         * cp/logic.cc (INCLUDE_LIST): Define.
8105         * fortran/trans-common.c (INCLUDE_MAP): Define.
8106
8107 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8108
8109         * auto-profile.c: Remove <string.h> include.
8110         * ipa-icf-gimple.c: Remove <list> include.
8111         * diagnostic.c: Remove <new> include.
8112         * genmatch.c: Likewise.
8113         * pretty-print.c: Likewise.
8114         * toplev.c: Likewise
8115         * c/c-objc-common.c: Likewise.
8116         * cp/error.c: Likewise.
8117         * fortran/error.c: Likewise.
8118
8119 2016-04-22  Richard Biener  <rguenther@suse.de>
8120
8121         * lto-streamer-in.c (input_ssa_names): Do not allocate
8122         GIMPLE_NOP for all SSA names.
8123         * lto-streamer-out.c (output_ssa_names): Do not output
8124         SSA names that should have been released.
8125
8126 2016-04-22  Richard Biener  <rguenther@suse.de>
8127
8128         PR tree-optimization/70740
8129         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
8130         VDEF.
8131
8132 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
8133
8134         PR target/70750
8135         * config/i386/predicates.md (call_insn_operand): Replace
8136         sibcall_memory_operand with memory_operand.
8137
8138 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
8139
8140         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
8141         has_single_use() tests.
8142         (register_edge_assert_for_1): Likewise.
8143         (find_assert_locations_1): Check the liveness bitmap instead of
8144         checking has_single_use().
8145
8146 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
8147
8148         PR target/70728
8149         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
8150         Extract AVX-512BW constraint from AVX.
8151
8152 2016-04-21  Richard Biener  <rguenther@suse.de>
8153
8154         PR tree-optimization/70725
8155         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
8156         for phi_convertible_by_degenerating_args.
8157         (predicate_all_scalar_phis): Handle single-argument PHIs.
8158
8159 2016-04-21  Richard Biener  <rguenther@suse.de>
8160
8161         PR middle-end/70747
8162         * fold-const.c (fold_comparison): Return properly typed
8163         constant boolean.
8164
8165 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
8166
8167         PR tree-optimization/70715
8168         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
8169         after expanding BASE using expand_simple_operations.
8170
8171 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8172
8173         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
8174         New transformations.
8175
8176 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8177
8178         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
8179
8180 2016-04-20  Jan Hubicka  <jh@suse.cz>
8181
8182         * ipa-inline.c (can_inline_edge_p): Pass caller info to
8183         ultiimate_alias_target.
8184         (update_callee_keys): Likewise.
8185         (lookup_recursive_calls): Likewise.
8186         (speculation_useful_p): Likewise.
8187
8188 2016-04-20  Jan Hubicka  <jh@suse.cz>
8189
8190         PR ipa/70018
8191         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
8192         (set_nothrow_flag_1): ... this; handle interposition correctly;
8193         recurse on aliases and thunks.
8194         (cgraph_node::set_nothrow_flag): New.
8195         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8196         functions compiled with non-call exceptions that binds to current
8197         def.
8198         (propagate_nothrow): Be safe WRT interposition.
8199         * cgraph.h (set_nothrow_flag): Update prototype.
8200
8201 2016-04-18  Jan Hubicka  <jh@suse.cz>
8202
8203         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8204         max_loop_iterations_int.
8205         (tree_unswitch_outer_loop): Likewise.
8206
8207 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8208
8209         PR tree-optimization/69489
8210         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8211         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8212         Revise dump message.
8213         (if_convertible_bb_p): Remove check on edge count of basic block's
8214         predecessors.
8215
8216 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8217
8218         PR tree-optimization/56625
8219         PR tree-optimization/69489
8220         * tree-data-ref.h (DR_INNERMOST): New macro.
8221         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8222         hashing struct innermost_loop_behavior.
8223         (ref_DR_map): Remove.
8224         (innermost_DR_map): New map.
8225         (baseref_DR_map): Revise comment.
8226         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8227         to innermost_DR_map accroding to its innermost loop behavior.
8228         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8229         to its innermost loop behavior.
8230         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8231         Add initialization for innermost_DR_map.  Record memory reference
8232         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8233         have innermost loop behavior.
8234         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8235         innermost_DR_map.
8236
8237 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8238
8239         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8240         *lea_general_1.  Use explicit SWI12 mode interator.
8241         (*lea<mode>_general_2): Rename from *lea_general_2.
8242         Use explicit SWI12 mode interator.
8243         (*lea<mode>_general_3): Rename from *lea_general_3.
8244         Use explicit SWI12 mode interator.
8245         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8246         Use explicit SWI12 mode interator.
8247         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8248         Use explicit SWI48 mode interator.
8249
8250 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8251
8252         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8253         Short-cut unaligned load and store cases.  Handle all integer
8254         vector modes.
8255         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8256         and store cases.  Call ix86_avx256_split_vector_move_misalign
8257         directly without checking mode class.
8258
8259 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8260             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8261
8262         PR target/64971
8263         * config/aarch64/aarch64.md (sibcall): Force call
8264         address to be DImode for ILP32.
8265         (sibcall_value): Likewise.
8266
8267 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8268
8269         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8270
8271 2016-04-20  Richard Biener  <rguenther@suse.de>
8272
8273         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8274         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8275         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8276         (maybe_push_res_to_seq): Adjust.
8277         * gimple-fold.c (maybe_build_generic_op): Likewise.
8278
8279 2016-04-20  Marek Polacek  <polacek@redhat.com>
8280
8281         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8282         rather than true.
8283
8284 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8285
8286         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8287         use kmovw to support AVX512F target.
8288
8289 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8290
8291         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8292
8293 2016-04-20  Marek Polacek  <polacek@redhat.com>
8294
8295         PR tree-optimization/70725
8296         * tree-if-conv.c (is_false_predicate): New function.
8297         (predicate_mem_writes): Use it.
8298
8299 2016-04-20  Richard Biener  <rguenther@suse.de>
8300
8301         PR tree-optimization/70726
8302         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8303         shift amounts from a pattern stmt operand.
8304
8305 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8306
8307         PR target/70674
8308         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8309         stack_restore_from_fpr pattern when restoring r15.
8310         (s390_optimize_prologue): Strip away the memory barrier in the
8311         parallel when trying to get rid of restore insns.
8312         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8313         definition for loading the stack pointer from an FPR.  Compared to
8314         the normal move insn this pattern includes a full memory barrier.
8315
8316 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8317
8318         PR middle-end/70680
8319         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8320         implicitly linear or lastprivate iterator on the outer context.
8321
8322 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8323
8324         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8325         alignment check.
8326         * config/i386/i386.md (ssememalign): Removed.
8327         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8328
8329 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8330
8331         PR target/69201
8332         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8333         const short * to __builtin_ia32_loaddquhi512_mask.
8334         (_mm512_maskz_loadu_epi16): Likewise.
8335         (_mm512_mask_storeu_epi16): Pass short * to
8336         __builtin_ia32_storedquhi512_mask.
8337         (_mm512_mask_loadu_epi8): Pass const char * to
8338         __builtin_ia32_loaddquqi512_mask.
8339         (_mm512_maskz_loadu_epi8): Likewise.
8340         (_mm512_mask_storeu_epi8): Pass char * to
8341         __builtin_ia32_storedquqi512_mask.
8342         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8343         const double * to __builtin_ia32_loadupd512_mask.
8344         (_mm512_mask_loadu_pd): Likewise.
8345         (_mm512_maskz_loadu_pd): Likewise.
8346         (_mm512_storeu_pd): Pass double * to
8347         __builtin_ia32_storeupd512_mask.
8348         (_mm512_mask_storeu_pd): Likewise.
8349         (_mm512_loadu_ps): Pass const float * to
8350         __builtin_ia32_loadups512_mask.
8351         (_mm512_mask_loadu_ps): Likewise.
8352         (_mm512_maskz_loadu_ps): Likewise.
8353         (_mm512_storeu_ps): Pass float * to
8354         __builtin_ia32_storeups512_mask.
8355         (_mm512_mask_storeu_ps): Likewise.
8356         (_mm512_mask_loadu_epi64): Pass const long long * to
8357         __builtin_ia32_loaddqudi512_mask.
8358         (_mm512_maskz_loadu_epi64): Likewise.
8359         (_mm512_mask_storeu_epi64): Pass long long *
8360         to __builtin_ia32_storedqudi512_mask.
8361         (_mm512_loadu_si512): Pass const int * to
8362         __builtin_ia32_loaddqusi512_mask.
8363         (_mm512_mask_loadu_epi32): Likewise.
8364         (_mm512_maskz_loadu_epi32): Likewise.
8365         (_mm512_storeu_si512): Pass int * to
8366         __builtin_ia32_storedqusi512_mask.
8367         (_mm512_mask_storeu_epi32): Likewise.
8368         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8369         char * to __builtin_ia32_storedquqi256_mask.
8370         (_mm_mask_storeu_epi8): Likewise.
8371         (_mm256_mask_loadu_epi16): Pass const short * to
8372         __builtin_ia32_loaddquhi256_mask.
8373         (_mm256_maskz_loadu_epi16): Likewise.
8374         (_mm_mask_loadu_epi16): Pass const short * to
8375         __builtin_ia32_loaddquhi128_mask.
8376         (_mm_maskz_loadu_epi16): Likewise.
8377         (_mm256_mask_loadu_epi8): Pass const char * to
8378         __builtin_ia32_loaddquqi256_mask.
8379         (_mm256_maskz_loadu_epi8): Likewise.
8380         (_mm_mask_loadu_epi8): Pass const char * to
8381         __builtin_ia32_loaddquqi128_mask.
8382         (_mm_maskz_loadu_epi8): Likewise.
8383         (_mm256_mask_storeu_epi16): Pass short * to.
8384         __builtin_ia32_storedquhi256_mask.
8385         (_mm_mask_storeu_epi16): Pass short * to.
8386         __builtin_ia32_storedquhi128_mask.
8387         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8388         const double * to __builtin_ia32_loadupd256_mask.
8389         (_mm256_maskz_loadu_pd): Likewise.
8390         (_mm_mask_loadu_pd): Pass onst double * to
8391         __builtin_ia32_loadupd128_mask.
8392         (_mm_maskz_loadu_pd): Likewise.
8393         (_mm256_mask_storeu_pd): Pass double * to
8394         __builtin_ia32_storeupd256_mask.
8395         (_mm_mask_storeu_pd): Pass double * to
8396         __builtin_ia32_storeupd128_mask.
8397         (_mm256_mask_loadu_ps): Pass const float * to
8398         __builtin_ia32_loadups256_mask.
8399         (_mm256_maskz_loadu_ps): Likewise.
8400         (_mm_mask_loadu_ps): Pass const float * to
8401         __builtin_ia32_loadups128_mask.
8402         (_mm_maskz_loadu_ps): Likewise.
8403         (_mm256_mask_storeu_ps): Pass float * to
8404         __builtin_ia32_storeups256_mask.
8405         (_mm_mask_storeu_ps): ass float * to
8406         __builtin_ia32_storeups128_mask.
8407         (_mm256_mask_loadu_epi64): Pass const long long * to
8408         __builtin_ia32_loaddqudi256_mask.
8409         (_mm256_maskz_loadu_epi64): Likewise.
8410         (_mm_mask_loadu_epi64): Pass const long long * to
8411         __builtin_ia32_loaddqudi128_mask.
8412         (_mm_maskz_loadu_epi64): Likewise.
8413         (_mm256_mask_storeu_epi64): Pass long long * to
8414         __builtin_ia32_storedqudi256_mask.
8415         (_mm_mask_storeu_epi64): Pass long long * to
8416         __builtin_ia32_storedqudi128_mask.
8417         (_mm256_mask_loadu_epi32): Pass const int * to
8418         __builtin_ia32_loaddqusi256_mask.
8419         (_mm256_maskz_loadu_epi32): Likewise.
8420         (_mm_mask_loadu_epi32): Pass const int * to
8421         __builtin_ia32_loaddqusi128_mask.
8422         (_mm_maskz_loadu_epi32): Likewise.
8423         (_mm256_mask_storeu_epi32): Pass int * to
8424         __builtin_ia32_storedqusi256_mask.
8425         (_mm_mask_storeu_epi32): Pass int * to
8426         __builtin_ia32_storedqusi128_mask.
8427         * config/i386/i386-builtin-types.def (PCSHORT): New.
8428         (PINT64): Likewise.
8429         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8430         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8431         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8432         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8433         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8434         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8435         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8436         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8437         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8438         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8439         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8440         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8441         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8442         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8443         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8444         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8445         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8446         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8447         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8448         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8449         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8450         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8451         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8452         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8453         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8454         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8455         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8456         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8457         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8458         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8459         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8460         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8461         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8462         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8463         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8464         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8465         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8466         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8467         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8468         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8469         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8470         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8471         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8472         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8473         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8474         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8475         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8476         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8477         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8478         use UNSPEC_STOREU.
8479         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8480         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8481         load nor store.
8482         (ix86_expand_vector_move_misalign): Likewise.
8483         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8484         to scalar function prototype for unaligned load/store builtins.
8485         (ix86_expand_special_args_builtin): Updated.
8486         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8487         (UNSPEC_STOREU): Likewise.
8488         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8489         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8490         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8491         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8492         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8493         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8494         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8495         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8496         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8497         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8498         (<avx512>_storedqu<mode>_mask): Likewise.
8499         (*sse4_2_pcmpestr_unaligned): Likewise.
8500         (*sse4_2_pcmpistr_unaligned): Likewise.
8501         (*mov<mode>_internal): Renamed to ...
8502         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8503         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8504         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8505         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8506
8507 2016-04-19  Richard Biener  <rguenther@suse.de>
8508
8509         PR tree-optimization/70171
8510         * tree-ssa-phiprop.c: Include stor-layout.h.
8511         (phiprop_insert_phi): Handle the aggregate copy case.
8512         (propagate_with_phi): Likewise.
8513
8514 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8515
8516         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8517         instead of simplify_gen_subreg (... , 0).
8518         (ix86_delegitimize_address): Ditto.
8519         (ix86_split_divmod): Ditto.
8520         (ix86_split_copysign_const): Ditto.
8521         (ix86_split_copysign_var): Ditto.
8522         (ix86_expand_args_builtin): Ditto.
8523         (ix86_expand_round_builtin): Ditto.
8524         (ix86_expand_special_args_builtin): Ditto.
8525         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8526         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8527         (udivmodqi4): Ditto.
8528         (absneg splitters): Ditto.
8529         (*jcc_bt<mode>_1): Ditto.
8530
8531 2016-04-19  Richard Biener  <rguenther@suse.de>
8532
8533         PR tree-optimization/70724
8534         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8535         restoring out from ...
8536         (free_scc_vn): ... here.
8537         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8538         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8539         tail merging.
8540         (pass_fre::execute): Restore SSA info.
8541
8542 2016-04-19  Richard Biener  <rguenther@suse.de>
8543
8544         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8545         * gimple-walk.c (walk_gimple_op): Initialize it.
8546         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8547         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8548         remapping SSA names of defs.
8549         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8550         adjustment.
8551
8552 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8553
8554         PR middle-end/70689
8555         * lra-constraints.c (equiv_substition_p): New.
8556         (process_alt_operands): Use it.
8557         (swap_operands): Swap it.
8558         (curr_insn_transform): Update it.
8559
8560 2016-04-18  Michael Matz  <matz@suse.de>
8561
8562         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8563         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8564         * tree-core.h (tree_type_common.align): Use bit-field.
8565         (tree_type_common.spare): New.
8566         (tree_decl_common.off_align): Make smaller.
8567         (tree_decl_common.align): Use bit-field.
8568
8569         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8570         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8571         (scan_sharing_clauses): Ditto.
8572         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8573         (omp_finish_file): Ditto.
8574         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8575         (layout_decl): Ditto.
8576         (relayout_decl): Ditto.
8577         (finalize_record_size): Use SET_TYPE_ALIGN.
8578         (finalize_type_size): Ditto.
8579         (finish_builtin_struct): Ditto.
8580         (layout_type): Ditto.
8581         (initialize_sizetypes): Ditto.
8582         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8583         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8584         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8585         (get_chain_field): Ditto.
8586         (get_trampoline_type): Ditto.
8587         (get_nl_goto_field): Ditto.
8588         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8589         SET_DECL_ALIGN.
8590         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8591         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8592         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8593         (build_qualified_type): Use SET_TYPE_ALIGN.
8594         (build_aligned_type, build_range_type_1): Ditto.
8595         (build_atomic_base): Ditto.
8596         (build_common_tree_nodes): Ditto.
8597         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8598         (expand_one_stack_var_at): Ditto.
8599         * coverage.c (build_var): Use SET_DECL_ALIGN.
8600         * except.c (init_eh): Ditto.
8601         * function.c (assign_parm_setup_block): Ditto.
8602         * symtab.c (increase_alignment_1): Ditto.
8603         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8604         * tree-vect-stmts.c (ensure_base_align): Ditto.
8605         * varasm.c (align_variable): Ditto.
8606         (assemble_variable): Ditto.
8607         (build_constant_desc): Ditto.
8608         (output_constant_def_contents): Ditto.
8609
8610         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8611         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8612         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8613         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8614         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8615
8616 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8617
8618         PR target/70708
8619         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8620         replace %vmovsd with "%vmovq".
8621         (vec_concatv2df): Likewise.
8622
8623 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8624
8625         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8626         (*vec_extractv2si_0): Ditto.
8627         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8628         (zero_extended_scalar_load_operand splitters): Ditto.
8629         (vec_extract splitters): Ditto.
8630         (*vec_extractv4si_0_zext): Ditto.
8631         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8632         and lowpart_subreg.
8633         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8634         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8635         (*sse4_1_extractps): Use lowpart_subreg.
8636         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8637
8638 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8639
8640         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8641         gld requirements.
8642         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8643         Mention Solaris 11 packaging changes.
8644         Update gas and gld requirements.
8645         Remove reference to pre-Solaris 10 bug.
8646         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8647         systems and bugs.
8648         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8649         with cc.
8650
8651 2016-04-17  Jan Hubicka  <jh@suse.cz>
8652
8653         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8654         max_loop_iterations_int.
8655
8656 2016-04-18  Richard Biener  <rguenther@suse.de>
8657
8658         PR tree-optimization/43434
8659         * tree-ssa-structalias.c (struct vls_data): New.
8660         (visit_loadstore): Handle all pointer-based accesses.
8661         (compute_dependence_clique): Compute a bitmap of restrict tags
8662         assigned bases and pass it to visit_loadstore.
8663
8664 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
8665
8666         PR target/70711
8667         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8668         armv8.1-a and armv8.1-a+crc.
8669
8670 2016-04-18  Richard Biener  <rguenther@suse.de>
8671
8672         PR tree-optimization/70701
8673         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8674         references after translating through a memcpy.
8675
8676 2016-04-18  Richard Biener  <rguenther@suse.de>
8677
8678         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8679         (compute_antic): ... here.  For partial antic use regular
8680         postorder and scrap iteration.
8681         (compute_partial_antic_aux): Remove unused return value.
8682         (init_pre): Do not allocate postorder.
8683         (fini_pre): Do not free postorder.
8684
8685 2016-04-18  Richard Biener  <rguenther@suse.de>
8686
8687         PR middle-end/37870
8688         * expmed.c (extract_bit_field_1): Remove broken case
8689         using a wider MODE_INT mode.
8690
8691 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
8692
8693         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8694         unless compiling with at least GCC-4.8.
8695
8696 2016-04-17  Jan Hubicka  <jh@suse.cz>
8697
8698         PR bootstrap/70706
8699         * graphite.c (graphite_finalize): Update call to
8700         tree_estimate_probability.
8701         * predict.h (tree_estimate_probability): Update prototype.
8702
8703 2016-04-17  Jan Hubicka  <jh@suse.cz>
8704
8705         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8706         (tree_estimate_probability): Likewise.
8707         (pass_profile::execute): Update.
8708         (report_predictor_hitrates): New function.
8709         * profile.c (compute_branch_probabilities): Use it.
8710         * predict.h (report_predictor_hitrates): Declare.
8711
8712 2016-04-17  Jan Hubicka  <jh@suse.cz>
8713
8714         PR ipa/70018
8715         * cgraph.h (cgraph_node::set_const_flag,
8716         cgraph_node::set_pure_flag): Update prototype to return bool;
8717         update comment.
8718         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8719         of interposable symbol are interposable, too.
8720         (cgraph_set_const_flag_1): Rename to ...
8721         (set_const_flag_1): ... this one; change to self recursive function
8722         instead of call_for_symbol_thunks_and_aliases. Handle correctly
8723         clearnig the flag in all variants and also virtual thunks of const
8724         functions are pure; track if any change was done.
8725         (cgraph_node::set_const_flag): Update.
8726         (struct set_pure_flag_info): New struct.
8727         (cgraph_set_pure_flag_1): Rename to ...
8728         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8729         rather than pointer encoded flags; track if any changes was done;
8730         handle correctly clearning flag and setting flag of aliases already
8731         declared const.
8732         (cgraph_node::set_pure_flag): Update.
8733         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8734
8735 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8736
8737         PR other/70433
8738         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8739         backslash in label.
8740
8741 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8742
8743         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8744         '{}<> ' as escape-for-record.
8745
8746 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8747
8748         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8749         structure.
8750
8751 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8752
8753         PR other/70185
8754         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8755         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8756         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8757         * passes.c (finish_optimization_passes): Only call
8758         finish_graph_dump_file if dfi->graph_dump_initialized.
8759         (execute_function_dump, pass_init_dump_file): Use
8760         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8761
8762 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8763
8764         PR tree-optimization/70256
8765         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8766         (debug_varmap): New function.
8767
8768 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8769
8770         PR other/70183
8771         * passes.c (pass_manager::register_pass): Propagate pflags.
8772
8773 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8774
8775         PR other/68875
8776         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8777         * passes.c (pass_manager::pass_manager): Declare and init p_start in
8778         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
8779         check if it's equal to p_start.
8780         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8781
8782 2016-04-15  Jan Hubicka  <jh@suse.cz>
8783
8784         PR ipa/70018
8785         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8786         function does not bind to current def.
8787         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8788         handle conservatively calls to functions that does not need to bind
8789         to current def.
8790         (check_call): Update call of worse_state.
8791         (ignore_edge_for_nothrow): Update.
8792         (ignore_edge_for_pure_const): Likewise.
8793         (propagate_pure_const): Update calls to worse_state.
8794         (skip_function_for_local_pure_const): Reformat comments.
8795
8796 2016-04-15  Jan Hubicka  <jh@suse.cz>
8797
8798         PR ipa/70018
8799         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8800         (cgraph_node::function_symbol): Likewise.
8801         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8802         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8803         (symtab_node::ultimate_alias_target): Add REF parameter.
8804         (symtab_node::binds_to_current_def_p): Declare.
8805         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8806         (cgraph_node::function_symbol): Likewise.
8807         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8808         (cgraph_node::get_availability): Likewise.
8809         (cgraph_edge::binds_to_current_def_p): New inline function.
8810         (varpool_node::get_availability): Add REF parameter.
8811         (varpool_node::ultimate_alias_target): Likewise.
8812         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8813         (symtab_node::binds_to_current_def_p): Likewise.
8814         * varpool.c (varpool_node::get_availability): Likewise.
8815
8816 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8817
8818         PR target/70662
8819         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8820         Fix mode size check.
8821
8822 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8823
8824         * BASE-VER: Set to 7.0.0.
8825
8826 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
8827
8828         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8829
8830 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8831
8832         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8833         architecture revisions.
8834
8835 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
8836
8837         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8838         * config/i386/i386.c (ix86_using_red_zone): No longer static.
8839         * config/i386/i386.md (stack decrement to push peepholes): Guard
8840         with !x86_using_red_zone ().
8841
8842 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8843
8844         PR c++/70675
8845         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8846         to dump_generic_node.
8847         (NIY): Pass also flags to do_niy.
8848
8849 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
8850
8851         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8852         (simd_clone_vector_of_formal_parm_types)
8853         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8854         (simd_clone_mangle, simd_clone_create)
8855         (simd_clone_adjust_return_type, create_tmp_simd_array)
8856         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8857         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8858         (ipa_simd_modify_function_body, simd_clone_linear_addend)
8859         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8860         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8861         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8862         * omp-simd-clone.c: ... this new file.
8863         (simd_clone_vector_of_formal_parm_types): Make it static.
8864         * Makefile.in (OBJS): Add omp-simd-clone.o.
8865
8866 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8867
8868         PR target/70662
8869         * config/i386/sse.md: Use proper memory operand modifiers.
8870
8871
8872 2016-04-15  Richard Biener  <rguenther@suse.de>
8873         Alan Modra  <amodra@gmail.com>
8874
8875         PR tree-optimization/70130
8876         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8877         when alignment stays not the same and no not use the realign
8878         scheme then.
8879
8880 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8881
8882         PR target/70669
8883         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8884         direct move handlers for KFmode. Change TFmode handlers test from
8885         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8886
8887 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
8888
8889         PR c++/70594
8890         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8891         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8892         (inlined_polymorphic_ctor_dtor_block_p): Use it.
8893         * tree-ssa-live.c (remove_unused_scope_block_p): When
8894         in_ctor_dtor_block, avoid discarding not just BLOCKs with
8895         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8896         block_ultimate_origin is FUNCTION_DECL.
8897         (remove_unused_locals): If current_function_decl is
8898         polymorphic_ctor_dtor_p, pass initial true to
8899         remove_unused_scope_block_p' is_ctor_dtor_block.
8900
8901 2016-04-14  Martin Sebor  <msebor@redhat.com>
8902
8903         PR c++/69517
8904         PR c++/70019
8905         PR c++/70588
8906         * doc/extend.texi (Variable Length): Revert.
8907
8908 2016-04-14  Marek Polacek  <polacek@redhat.com>
8909             Jan Hubicka  <hubicka@ucw.cz>
8910
8911         PR c++/70029
8912         * tree.c (verify_type): Disable the canonical type of main variant
8913         check.
8914
8915 2016-04-14  Jason Merrill  <jason@redhat.com>
8916
8917         * cfgexpand.c, expr.c: Revert previous change.
8918
8919 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
8920
8921         PR middle-end/70643
8922         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8923         when building a mem ref for the incoming reduction variable.
8924
8925 2016-04-14  Richard Biener  <rguenther@suse.de>
8926
8927         PR tree-optimization/70614
8928         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8929         loop if the evolution dropped to chrec_dont_know.
8930         (interpret_condition_phi): Likewise.
8931
8932 2016-04-14  Richard Biener  <rguenther@suse.de>
8933
8934         PR tree-optimization/70623
8935         * tree-ssa-pre.c (changed_blocks): Make global ...
8936         (compute_antic): ... local here.  Move and fix worklist
8937         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8938         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
8939         worklist handling, dump when ANTIC_IN changed.
8940         (compute_partial_antic_aux): Remove worklist handling.
8941         (init_pre): Do not compute post dominators.  Add a comment about
8942         the CFG order chosen.
8943         (fini_pre): Do not free post dominators.
8944
8945 2016-04-13  Martin Sebor  <msebor@redhat.com>
8946
8947         PR c++/69517
8948         PR c++/70019
8949         PR c++/70588
8950         * doc/extend.texi (Variable Length): Document C++ specifics.
8951
8952 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8953
8954         PR c++/70641
8955         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8956         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
8957         eh edges have been purged.
8958
8959         PR c++/70594
8960         * tree-sra.c (create_access_replacement,
8961         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8962         gets fancy name.
8963         * tree-pretty-print.c (dump_fancy_name): New function.
8964         (dump_decl_name, dump_generic_node): Use it.
8965
8966 2016-04-13  Jason Merrill  <jason@redhat.com>
8967
8968         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8969         * expr.c (expand_expr_real_1): Likewise.
8970
8971 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
8972
8973         * config/i386/i386.md (kunpckhi): Swap operands.
8974         (kunpcksi): Likewise.
8975         (kunpckdi): Likewise.
8976         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8977         (vec_pack_trunc_<mode>): Likewise.
8978
8979 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8980
8981         PR debug/70628
8982         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8983
8984         PR middle-end/70633
8985         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8986         gimplification turns some element into non-constant.
8987
8988         PR debug/70628
8989         * rtl.h (convert_memory_address_addr_space_1): New prototype.
8990         * explow.c (convert_memory_address_addr_space_1): No longer static,
8991         add NO_EMIT argument and don't call convert_modes if true, pass
8992         it down recursively, remove break after return.
8993         (convert_memory_address_addr_space): Adjust caller.
8994         * simplify-rtx.c (simplify_unary_operation_1): Call
8995         convert_memory_address_addr_space_1 instead of convert_memory_address,
8996         if it returns NULL, don't simplify.
8997
8998 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
8999
9000         PR target/70630
9001         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
9002
9003 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9004
9005         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9006         Bump the upper SIMDLEN limits, so that if the return type or
9007         characteristic type if the return type is void can be passed in
9008         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
9009         allowed.
9010
9011 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
9012
9013         PR target/70640
9014         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
9015         Do not use "=" constraint on an input constraint.
9016         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
9017         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
9018         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
9019         generates (neg (abs ...)) instead of (abs ...).
9020
9021 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9022
9023         PR rtl-optimization/70596
9024         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
9025         just invalidate LRA data and reset them.  Adjust dump wording.
9026
9027 2016-04-12  Martin Liska  <mliska@suse.cz>
9028
9029         Revert
9030         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9031
9032         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9033         estimates here.
9034         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9035         max_loop_iterations_int.
9036         (tree_unswitch_outer_loop): Likewise.
9037         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9038         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9039
9040 2016-04-12  Tom de Vries  <tom@codesourcery.com>
9041
9042         PR tree-optimization/68756
9043         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
9044         instead of new_name.
9045
9046 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
9047
9048         PR tree-optimization/70602
9049         * tree-sra.c (generate_subtree_copies): Don't write anything into
9050         constant pool decls.
9051
9052         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
9053         regardless whether there are depend clauses or not.
9054
9055 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
9056
9057         PR target/70381
9058         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
9059         target attribute and pragma from changing the -mfloat128
9060         and -mfloat128-hardware options.
9061
9062         * doc/extend.texi (Additional Floating Types): Document PowerPC
9063         __float128 restrictions.
9064
9065 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9066
9067         PR target/70133
9068         * config/aarch64/driver-aarch64.c
9069         (aarch64_get_extension_string_for_isa_flags): New.
9070         (arch_extension): Rename to...
9071         (aarch64_arch_extension): ...This.
9072         (ext_to_feat_string): Rename to...
9073         (aarch64_extensions): ...This.
9074         (aarch64_core_data): Keep track of architecture extension flags.
9075         (cpu_data): Rename to...
9076         (aarch64_cpu_data): ...This.
9077         (aarch64_arch_driver_info): Keep track of architecture extension
9078         flags.
9079         (get_arch_name_from_id): Rename to...
9080         (get_arch_from_id): ...This, change return type.
9081         (host_detect_local_cpu): Update and reformat for renames, handle
9082         extensions through common infrastructure.
9083
9084 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9085
9086         PR target/70133
9087         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
9088         track of a canonical flag name.
9089         (all_extensions): Likewise.
9090         (arch_to_arch_name): Also track extension flags enabled by the arch.
9091         (all_architectures): Likewise.
9092         (aarch64_parse_extension): Move to here.
9093         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
9094         rework.
9095         (aarch64_rewrite_selected_cpu): Update for above change.
9096         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
9097         are handled, such that the single explicit value enabled by an
9098         extension is kept seperate from the implicit values it also enables.
9099         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
9100         to here.
9101         (aarch64_parse_extension): New.
9102         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
9103         here to config/aarch64/aarch64-protos.h.
9104         (aarch64_parse_extension): Move from here to
9105         common/config/aarch64/aarch64-common.c.
9106         (aarch64_option_print): Update.
9107         (aarch64_declare_function_name): Likewise.
9108         (aarch64_start_file): Likewise.
9109         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
9110         the canonical flag for extensions.
9111         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
9112         flags.
9113
9114 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9115
9116         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
9117         AARCH64_FL_CRC.
9118
9119 2016-04-09  Tom de Vries  <tom@codesourcery.com>
9120
9121         PR tree-optimization/68953
9122         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
9123         first to last subscript.
9124
9125 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
9126
9127         PR tree-optimization/70586
9128         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
9129         for any calls.
9130
9131 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
9132
9133         PR lto/70289
9134         PR ipa/70348
9135         PR tree-optimization/70373
9136         PR middle-end/70533
9137         PR middle-end/70534
9138         PR middle-end/70535
9139         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
9140         clauses for acc parallel reductions as necessary.  Error on those
9141         that are private.
9142         * omp-low.c (scan_sharing_clauses): Don't install variables which
9143         are used in acc parallel reductions.
9144         (lower_rec_input_clauses): Remove dead code.
9145         (lower_oacc_reductions): Add support for reference reductions.
9146         (lower_reduction_clauses): Remove dead code.
9147         (lower_omp_target): Don't remap variables appearing in acc parallel
9148         reductions.
9149         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
9150
9151 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
9152
9153         PR middle-end/70593
9154         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
9155         with multiple SSA_NAME defs, force the outputs other than first
9156         to be live before calling live_track_process_def on each output.
9157
9158         PR rtl-optimization/70574
9159         * fwprop.c (forward_propagate_and_simplify): Don't add
9160         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
9161         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
9162         paradoxical subregs within *loc.
9163
9164 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
9165
9166         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
9167         -ftree-parallelize-loops={0,1}.
9168         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
9169         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
9170         * config/ia64/hpux.h (LIB_SPEC): Likewise.
9171         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
9172         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
9173
9174 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
9175
9176         PR sanitizer/70541
9177         * asan.c (instrument_derefs): If we get unknown location, extract it
9178         with EXPR_LOCATION.
9179         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
9180
9181 2016-04-08  Tom de Vries  <tom@codesourcery.com>
9182
9183         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
9184         implicit firstprivate clause.
9185
9186 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9187
9188         PR target/70566
9189         * config/arm/thumb2.md (tst + branch-> lsls + branch
9190         peephole below *orsi_not_shiftsi_si): Require that condition
9191         register is dead after the peephole.
9192         (second peephole after the above): Likewise.
9193
9194 2016-04-08  Alan Modra  <amodra@gmail.com>
9195
9196         PR target/70117
9197         * builtins.c (fold_builtin_classify): For IBM extended precision,
9198         look at just the high-order double to test for NaN.
9199         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9200         test just the high double for Inf but both doubles for subnormal
9201         limit.
9202
9203 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9204
9205         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9206         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9207         node->simdclone->mask_mode != VOIDmode masks.
9208         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9209         earlier, use it instead of node->simdclone.
9210         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9211         Set clonei->mask_mode.
9212
9213 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9214
9215         PR c/70436
9216         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9217         Pass it through to cp_parser_already_scoped_statement.
9218         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9219         it through to cp_parser_statement.
9220         (cp_parser_statement): Pass IF_P through to
9221         cp_parser_iteration_statement.
9222         (cp_parser_pragma): Adjust call to
9223         cp_parser_iteration_statement.
9224
9225 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9226
9227         PR c/70436
9228         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9229         resolve a future -Wparentheses warning.
9230         * omp-low.c (scan_sharing_clauses): Likewise.
9231         * tree-parloops.c (eliminate_local_variables): Likewise.
9232
9233 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9234
9235         PR rtl-optimization/70398
9236         * lra-constraints.c (process_address_1): Check zero scale and code
9237         for reloading with zero scale.
9238
9239 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9240
9241         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9242         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9243
9244 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9245
9246         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9247         Add support for AVX512F clones, include them by default for
9248         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9249         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9250         up to 128.
9251
9252         PR middle-end/70550
9253         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9254         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9255         firstprivate clauses.
9256         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9257         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9258         (lower_omp_target): Set TREE_NO_WARNING for
9259         non-addressable possibly uninitialized vars which are copied into
9260         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9261
9262 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9263
9264         * config/pa/predicates.md (integer_store_memory_operand): Accept
9265         REG+D operands with a large offset when reload_in_progress is true.
9266         (floating_point_store_memory_operand): Likewise.
9267
9268 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9269
9270         PR c++/70336
9271         * match.pd (nested int casts): Limit to GIMPLE.
9272
9273 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9274
9275         PR ipa/66223
9276         * ipa-devirt.c (maybe_record_node): Fix comment; use
9277         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9278
9279 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9280
9281         PR rtl-optimization/70542
9282         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9283         if there are any uses other than insn or debug insns.
9284
9285 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9286             Jakub Jelinek  <jakub@redhat.com>
9287
9288         PR tree-optimization/70509
9289         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9290         Shift HOST_WIDE_INT_1U instead of 1.
9291
9292 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9293
9294         PR tree-optimization/70509
9295         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9296         of the vector base type for index.
9297
9298 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9299
9300         PR target/70510
9301         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9302
9303 2016-04-05  Richard Biener  <rguenther@suse.de>
9304
9305         PR tree-optimization/70526
9306         * tree-sra.c (build_ref_for_offset): Use prev_base to
9307         extract the alias pointer type.
9308
9309 2016-04-05  Richard Biener  <rguenther@suse.de>
9310
9311         * dse.c (struct store_info): Remove alias_set member.
9312         (struct read_info_type): Likewise.
9313         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9314         spill_deleted, clear_alias_set_lookup): Remove.
9315         (get_group_info): Remove dead base == NULL_RTX case.
9316         (dse_step0): Remove initialization of removed variables.
9317         (delete_dead_store_insn): Reomve alias set dumping.
9318         (free_read_records): Remove alias_set handling.
9319         (canon_address): Remove alias_set_out parameter.
9320         (record_store): Remove spill_alias_set, it's always zero.
9321         (check_mem_read_rtx): Likewise.
9322         (dse_step2): Rename from ...
9323         (dse_step2_nospill): ... this.  Adjust.
9324         (scan_stores): Rename from ...
9325         (scan_stores_nospill): ... this.
9326         (scan_reads): Rename from ...
9327         (scan_reads_nospill): ... this.
9328         (scan_stores_spill, scan_reads_spill): Remove.
9329         (dse_step3_scan): Remove for_spills argument which is always false.
9330         (dse_step3): Likewise.
9331         (dse_step5): Rename from ...
9332         (dse_step5_nospill): ... this.  Remove alias_set handling.
9333         (rest_of_handle_dse): Adjust.
9334
9335 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9336
9337         PR target/70525
9338         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9339         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9340         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9341         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9342
9343 2016-04-05  Richard Biener  <rguenther@suse.de>
9344
9345         PR middle-end/70499
9346         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9347         non-register type temporaries into SSA.
9348
9349 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9350
9351         PR ipa/66223
9352         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9353         calls when sanitizing.
9354         (possible_polymorphic_call_target_p): Fix formatting.
9355
9356 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9357             Jakub Jelinek <jakub@redhat.com>
9358
9359         PR middle-end/70457
9360         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9361         to ensure a call statement is compatible with a built-in's
9362         prototype.
9363         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9364         Likewise.
9365
9366 2016-04-04  Richard Biener  <rguenther@suse.de>
9367
9368         PR rtl-optimization/70484
9369         * rtl.h (canon_output_dependence): Declare.
9370         * alias.c (canon_output_dependence): New function.
9371         * dse.c (record_store): Use canon_output_dependence rather
9372         than canon_true_dependence.
9373
9374 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9375
9376         PR ipa/68881
9377         * cgraph.h (symtab_node::copy_visibility_from): New function.
9378         * symtab.c (symtab_node::copy_visibility_from): New function.
9379         * ipa-visibility.c (optimize_weakref): New function.
9380         (function_and_variable_visibility): Use it.
9381
9382 2016-04-04  Martin Liska  <mliska@suse.cz>
9383
9384         PR hsa/70402
9385         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9386         value that is really in range handled by SBR instruction.
9387         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9388         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9389         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9390
9391 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9392
9393         PR target/70416
9394         PR target/67391
9395         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9396         set, but not for SP_REG operands.
9397
9398 2016-04-02  Martin Sebor  <msebor@redhat.com>
9399
9400         PR c++/67376
9401         * fold-const.c (maybe_nonzero_address): New function.
9402         (fold_comparison): Call it.  Fold equality and relational
9403         expressions involving null pointers.
9404         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9405
9406 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9407
9408         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9409         the "Y" constraint (scalar FP 0.0 immediate).
9410
9411         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9412         Add the "const_double" to the list of operand constraints.
9413
9414 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9415
9416         PR rtl-optimization/70467
9417         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9418         If low word of the last operand is 0, just emit addition/subtraction
9419         for the high word.
9420
9421 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9422
9423         PR target/70404
9424         * config/s390/s390.c (s390_expand_insv): Check for everything
9425         constant instead of just VOIDmode stuff.
9426
9427 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9428
9429         PR target/70496
9430         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9431
9432 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9433
9434         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9435
9436 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9437
9438         PR rtl-optimization/70461
9439         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9440         is necessary.
9441
9442 2016-03-31  Martin Liska  <mliska@suse.cz>
9443
9444         PR hsa/70399
9445         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9446         a tree value or an immediate integer value to a buffer
9447         that is eventually copied to a BRIG section.
9448         (emit_immediate_operand): Call the function here.
9449         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9450         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9451         of class' fields that are removed.
9452         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9453         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9454         m_brig_repr_size fields.
9455
9456 2016-03-31  Martin Liska  <mliska@suse.cz>
9457
9458         PR hsa/70391
9459         * hsa-gen.c (hsa_function_representation::update_dominance): New
9460         function.
9461         (convert_addr_to_flat_segment): Likewise.
9462         (gen_hsa_memory_set): New alignment argument.
9463         (gen_hsa_ctor_assignment): Likewise.
9464         (gen_hsa_insns_for_single_assignment): Provide alignment
9465         to gen_hsa_ctor_assignment.
9466         (gen_hsa_insns_for_direct_call): Add new argument.
9467         (expand_lhs_of_string_op): New function.
9468         (expand_string_operation_builtin): Likewise.
9469         (expand_memory_copy): New function.
9470         (expand_memory_set): New function.
9471         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9472         (convert_switch_statements): Change signature.
9473         (generate_hsa): Use a return value of the function.
9474         (pass_gen_hsail::execute): Do not call
9475         convert_switch_statements here.
9476         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9477         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9478         (hsa_function_representation::update_dominance): New function.
9479
9480 2016-03-31  Martin Liska  <mliska@suse.cz>
9481
9482         PR hsa/70391
9483         * hsa-brig.c (emit_directive_variable): Emit alignment
9484         according to hsa_symbol::m_align.
9485         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9486         (dump_hsa_symbol): Dump alignment of HSA symbols.
9487         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9488         (gen_hsa_addr_with_align): New function.
9489         (hsa_bitmemref_alignment): Use newly added function.
9490         (gen_hsa_insns_for_load): Likewise.
9491         (gen_hsa_insns_for_store): Likewise.
9492         (gen_hsa_memory_copy): New argument added.
9493         (gen_hsa_insns_for_single_assignment): Respect
9494         alignment for assignments processed via gen_hsa_memory_copy.
9495         (gen_hsa_insns_for_direct_call): Likewise.
9496         (gen_hsa_insns_for_return): Likewise.
9497         (gen_function_def_parameters): Set default alignment.
9498         * hsa.c (hsa_object_alignment): New function.
9499         (hsa_byte_alignment): Pasted function.
9500         * hsa.h (hsa_symbol::m_align): New field.
9501
9502 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9503
9504         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9505         scratch field for goto case.
9506
9507 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9508
9509         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9510
9511 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9512
9513         PR target/70442
9514         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9515         (scalar_chain::convert_insn): Call convert_op for reg
9516         moves to handle undefined registers.
9517
9518 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9519
9520         PR c++/70393
9521         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9522         Assert we don't want to move backwards.
9523
9524 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9525
9526         PR target/70453
9527         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9528
9529 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9530
9531         PR rtl-optimization/70460
9532         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9533         with operand from REG_LABEL_OPERAND, instead substitute
9534         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9535         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9536
9537 2016-03-31  Martin Liska  <mliska@suse.cz>
9538
9539         * passes.c (execute_one_pass): Do not call
9540         todo_after for a discarded function.
9541
9542 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9543
9544         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9545         (no_cost, infinite_cost): Initialize the new field.
9546         (get_computation_cost_at): Record setup cost.
9547         (determine_use_iv_cost_address): Skip cost computation for sub
9548         uses if we can estimate it without losing accuracy.
9549
9550 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9551
9552         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9553         estimates here.
9554         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9555         max_loop_iterations_int.
9556         (tree_unswitch_outer_loop): Likewise.
9557         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9558         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9559
9560 2016-03-30  Richard Biener  <rguenther@suse.de>
9561
9562         PR middle-end/70450
9563         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9564
9565 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9566
9567         PR target/70421
9568         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9569         in gen_blendm expander.
9570
9571 2016-03-30  Nick Clifton  <nickc@redhat.com>
9572
9573         PR target/62254
9574         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9575         case where we are already provided with an SImode SUBREG.
9576
9577 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9578
9579         PR target/70439
9580         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9581         conflict between DRAP register and __builtin_eh_return.
9582
9583 2016-03-30  Michael Matz  <matz@suse.de>
9584             Richard Biener  <rguenther@suse.de>
9585
9586         PR ipa/12392
9587         * ipa-polymorphic-call.c (struct type_change_info): Change
9588         speculative to an unsigned allowing to limit the work we do.
9589         (csftc_abort_walking_p): New inline function..
9590         (check_stmt_for_type_change): Limit the number of may-defs
9591         skipped for speculative devirtualization to
9592         max-speculative-devirt-maydefs.
9593         * params.def (max-speculative-devirt-maydefs): New param.
9594         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9595
9596 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9597
9598         PR target/63890
9599         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9600         and TARGET_MACHO.
9601
9602 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9603
9604         PR tree-optimization/59124
9605         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9606         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9607
9608 2016-03-29  Jeff Law  <law@redhat.com>
9609
9610         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9611
9612 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9613
9614         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9615         to HOST_WIDE_INT.
9616
9617 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9618
9619         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9620         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9621         gcrt0.o if linking dynamically.
9622
9623 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9624
9625         PR ipa/70283
9626         * ipa-devirt.c (methods_equal_p): New function.
9627         (compare_virtual_tables): Use it.
9628         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9629         * cgraphclones.c (clone_function_name_1): Use
9630         symbol_table::symbol_suffix_separator.
9631         * coverage.c (build_var): Likewise.
9632         * symtab.c (symbol_table::symbol_suffix_separator): New.
9633
9634 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
9635
9636         PR rtl-optimization/70429
9637         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9638         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9639         mode != result_mode.
9640
9641         PR c++/70353
9642         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9643
9644         PR tree-optimization/70405
9645         * ssa-iterators.h (num_imm_uses): Add missing braces.
9646
9647 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9648
9649         PR rtl-optimization/68695
9650         * ira-color.c (allocno_copy_cost_saving): New.
9651         (improve_allocation): Use it.
9652
9653 2016-03-29  Richard Henderson  <rth@redhat.com>
9654
9655         PR middle-end/70355
9656         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9657
9658 2016-03-29  Richard Biener  <rguenther@suse.de>
9659
9660         PR middle-end/70424
9661         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9662         use alignment returned by get_pointer_alignment_1 if it is
9663         bigger than BITS_PER_UNIT.
9664         * builtins.c (get_pointer_alignment_1): Do not return true
9665         for alignment extracted from SSA info.
9666
9667 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
9668
9669         * config/ft32/ft32.opt (mnodiv): New.
9670         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9671         * doc/invoke.texi (FT32 Options -mnodiv): New.
9672
9673 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
9674
9675         PR target/70406
9676         * config/i386/i386.md (define_split, andn): Fix modes.
9677
9678 2016-03-26  Richard Biener  <rguenther@suse.de>
9679             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9680
9681         PR ipa/70366
9682         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9683         instead of
9684         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9685         as 2nd argument to cl_optimization_restore().
9686
9687 2016-03-25  Richard Henderson  <rth@redhat.com>
9688
9689         PR target/70120
9690         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9691         * config/aarch64/aarch64-protos.h: Declare it.
9692         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9693
9694 2016-03-25  Alan Modra  <amodra@gmail.com>
9695
9696         PR target/70052
9697         * config/rs6000/constraints.md (j): Simplify.
9698         * config/rs6000/predicates.md (easy_fp_constant): Exclude
9699         decimal float 0.D.
9700         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9701         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9702          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9703         in all constraint alternatives.
9704         (movtd_64bit_nodm): Delete "j" constraint alternative.
9705
9706 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9707
9708         * tree-ssa-propagate.c: Enhance docs for
9709         SSA_PROP_NOT_INTERESTING.
9710
9711 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9712
9713         * doc/extend.texi: Fix typo in documentation to pure attribute.
9714
9715 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
9716
9717         PR target/70319
9718         * config/pa/pa.md (bswapdi2): Use a scratch register.
9719
9720 2016-03-24  Richard Henderson  <rth@redhat.com>
9721
9722         PR middle-end/69845
9723         * fold-const.c (extract_muldiv_1): Correct test for multiplication
9724         overflow.
9725
9726 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
9727
9728         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9729         using ix86_expand_binary_operator instead of gen_andsi3.
9730
9731 2016-03-24  Richard Biener  <rguenther@suse.de>
9732
9733         PR tree-optimization/70396
9734         * tree-vect-stmts.c (vectorizable_comparison): Use
9735         get_vectype_for_scalar_type.
9736
9737 2016-03-24  Richard Biener  <rguenther@suse.de>
9738
9739         PR middle-end/70370
9740         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9741         with register bases.
9742
9743 2016-03-24  Richard Biener  <rguenther@suse.de>
9744
9745         PR tree-optimization/70372
9746         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9747         build_all_ones_cst to also handle vector types correctly.
9748
9749 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9750
9751         PR target/70381
9752         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9753         -mfloat128 here.
9754
9755 2016-03-23  Marek Polacek  <polacek@redhat.com>
9756
9757         PR c++/69884
9758         * doc/invoke.texi: Document -Wignored-attributes.
9759
9760 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9761
9762         PR tree-optimization/69042
9763         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9764         parameter from 30 to 40.
9765
9766 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9767
9768         PR tree-optimization/69042
9769         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9770         for use with constant offset stripped in base.
9771
9772 2016-03-23  Richard Biener  <rguenther@suse.de>
9773
9774         PR middle-end/70251
9775         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9776         mode compatibility check.
9777         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9778
9779 2016-03-23  Jeff Law  <law@redhat.com>
9780
9781         PR tree-optimization/64058
9782         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9783         CONFLICT_COUNT.
9784         (struct ssa_conflicts): Move up earlier in the file.
9785         (conflicts_, var_map_): New static variables.
9786         (initialize_conflict_count): New function to initialize the
9787         CONFLICT_COUNT field for each conflict pair.
9788         (compare_pairs): Lazily initialize the conflict count and use it
9789         as the first tie-breaker.
9790         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
9791         and wipe conflicts_ and map_ around the call to qsort.  Remove
9792         special case for 2 coalesce pairs.
9793         * bitmap.c (bitmap_count_unique_bits): New function.
9794         (bitmap_count_bits_in_word): New function, extracted from
9795         bitmap_count_bits.
9796         (bitmap_count_bits): Use bitmap_count_bits_in_word.
9797         * bitmap.h (bitmap_count_unique_bits): Declare it.
9798
9799 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
9800
9801         PR target/69917
9802         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9803         transparent alias chain for decl assembler name.
9804         * config/sol2.c (solaris_assemble_visibility): Likewise.
9805
9806 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9807
9808         * config/arm/arm1020e.md (1020call_op): Reduce reservation
9809         duration.
9810         (v10_fdivs): Likewise.
9811         (v10_fdivd): Likewise.
9812
9813 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9814
9815         PR driver/70132
9816         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9817         to not call fclose twice on file.
9818
9819 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
9820
9821         PR tree-optimization/70354
9822         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9823         oprnd0 is wider than oprnd1 and there is a cast from the wider
9824         type to oprnd1, mask it with the mask of the narrower type.
9825
9826         PR target/70321
9827         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9828         Optimize TARGET_STV splitters, if high or low word of last argument
9829         is 0 or -1.
9830
9831 2016-03-22  Jeff Law  <law@redhat.com>
9832
9833         PR target/70232
9834         tree-ssa-threadbackward.c
9835         (fsm_find_control_statement_thread_paths): Correctly distinguish
9836         between old style jump threads vs FSM jump threads.
9837
9838 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
9839
9840         PR target/70302
9841         * config/i386/i386.c (scalar_chain::convert_op): Support
9842         uninitialized register usage case.
9843
9844 2016-03-22  Richard Biener  <rguenther@suse.de>
9845
9846         PR middle-end/70251
9847         * genmatch.c (gen_transform): Adjust last parameter to a three-state
9848         int...
9849         (capture::gen_transform): ... to change behavior when substituting
9850         a condition into cond or not-cond expr context.
9851         (dt_simplify::gen_1): Adjust.
9852         * gimple-match-head.c: Include gimplify.h for unshare_expr.
9853         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9854         last change and instead change to
9855         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9856         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9857
9858 2016-03-22  Anthony Green  <green@moxielogic.com>
9859
9860         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
9861         issue for moxiebox targets.
9862         (CC1PLUS_SPEC): Ditto.
9863
9864 2016-03-22  Richard Biener  <rguenther@suse.de>
9865
9866         PR middle-end/70333
9867         * fold-const.c (extract_muldiv_1): Properly perform multiplication
9868         in the wide type.
9869
9870 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9871
9872         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9873
9874 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9875
9876         PR target/70325
9877         * config/i386/i386.c (def_builtin): Handle
9878         OPTION_MASK_ISA_AVX512VL to be and-ed with other
9879         bits.
9880         (const struct builtin_description bdesc_special_args[]):
9881         Remove duplicate ISA bits.
9882
9883 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
9884
9885         PR target/70329
9886         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9887         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
9888         in a way that works also for AVX512BW.
9889
9890         PR target/70300
9891         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9892         instead of source if operands[1] is xmm16 and above and
9893         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
9894         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9895
9896         PR c++/70295
9897         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9898         on assign if (*from_p) is a comparison, set it to
9899         TREE_NO_WARNING (*from_p).
9900
9901 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9902
9903         PR middle-end/70326
9904         * lra.c (restore_scratches): Ignore deleted insns.
9905
9906 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
9907             Jakub Jelinek  <jakub@redhat.com>
9908
9909         PR tree-optimization/70317
9910         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9911         to HONOR_NANS.
9912
9913 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
9914
9915         PR target/70327
9916         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9917         of ix86_expand_move.
9918         (movoi): Ditto.
9919         (movti): Use general_operand for operand 1 predicate.
9920
9921 2016-03-21  Martin Liska  <mliska@suse.cz>
9922
9923         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9924         insns.
9925         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9926
9927 2016-03-21  Martin Liska  <mliska@suse.cz>
9928
9929         PR ipa/70306
9930         * ipa-icf.c (sem_function::parse): Skip static
9931         constructors and destructors.
9932
9933 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9934
9935         PR target/70296
9936         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9937         function-like macro, peek following token(s) if it is followed
9938         by CPP_OPEN_PAREN token with optional padding in between, and
9939         if not, don't treat it like a macro.
9940
9941 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
9942             Alexander Monakov  <amonakov@ispras.ru>
9943
9944         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9945         for the stabs debug format.
9946
9947 2016-03-21  Richard Biener  <rguenther@suse.de>
9948
9949         PR tree-optimization/70310
9950         * tree-vect-generic.c (expand_vector_condition): Fold the built
9951         condition.
9952
9953 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
9954
9955         PR target/70293
9956         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9957         Block third alternative for AVX-512VL target,
9958
9959 2016-03-21  Martin Liska  <mliska@suse.cz>
9960
9961         PR hsa/70234
9962         * hsa-brig.c (emit_function_directives): Mark unemitted
9963         global variables for emission.
9964         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9965         (get_symbol_for_decl): Likewise.
9966         * hsa.h (struct hsa_symbol): New flag.
9967
9968 2016-03-21  Richard Biener  <rguenther@suse.de>
9969
9970         PR tree-optimization/70288
9971         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9972         we do not estimate unsimplified all-constant conditionals or
9973         switches as optimized away.
9974
9975 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
9976
9977         PR rtl-optimization/69102
9978         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9979         when we have a readonly dependency context.
9980
9981 2016-03-18  Jeff Law  <law@redhat.com>
9982
9983         PR rtl-optimization/70263
9984         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9985         (update_equiv_regs): When trying to move a store to after the insn
9986         that sets the source of the store, make sure the store occurs after
9987         the insn that sets the source of the store.  When successful note
9988         the REG_EQUIV note created in the dump file.
9989
9990 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
9991             Bernd Schmidt  <bschmidt@redhat.com>
9992
9993         * doc/extend.texi: Document more potential problems with basic asms.
9994
9995 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
9996
9997         PR rtl-optimization/70278
9998         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
9999         VOIDmode.
10000
10001 2016-03-18  Jason Merrill  <jason@redhat.com>
10002
10003         * calls.c (load_register_parameters): Fix zero size sibcall logic.
10004
10005 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
10006
10007         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
10008         values to 128b regs.
10009
10010 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
10011
10012         PR tree-optimization/70252
10013         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
10014         boolean vector has a proper number of elements.
10015         (supportable_narrowing_operation): Likewise.
10016
10017 2016-03-18  Tom de Vries  <tom@codesourcery.com>
10018
10019         PR ipa/70269
10020         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
10021
10022 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
10023
10024         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
10025         instead of replace_rtx for DEBUG_INSNs.
10026
10027 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10028
10029         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
10030         load type reservations.
10031
10032 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
10033
10034         PR target/70188
10035         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
10036         define_constraint for "Q" and "T" constraints.
10037
10038 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
10039
10040         Tweak the pipeline model for Exynos M1
10041
10042         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
10043         model.
10044
10045 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
10046
10047         PR c/70264
10048         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
10049         where one or both locations aren't within a line_map.
10050
10051 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
10052
10053         PR driver/70192
10054         * opts.c (finish_options): Don't set flag_pie to the default if
10055         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
10056         if it is -1.
10057
10058 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
10059
10060         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
10061         true as ALL_REGS argument to replace_rtx.
10062
10063 2016-03-17  Richard Biener  <rguenther@suse.de>
10064
10065         PR debug/70271
10066         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
10067         last.
10068
10069 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10070
10071         PR target/70245
10072         * rtl.h (replace_rtx): Add ALL_REGS argument.
10073         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
10074         equality and assert mode is the same, instead of just rtx pointer
10075         equality.
10076         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
10077         true as ALL_REGS argument to replace_rtx.
10078
10079 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
10080
10081         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
10082         for boolean vector with vector mode only.
10083         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
10084
10085 2016-03-17  Nick Clifton  <nickc@redhat.com>
10086
10087         PR target/70162
10088         * config/rx/rx.c (rx_print_integer): Print negative constants in
10089         decimal.
10090
10091 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10092
10093         PR target/70261
10094         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
10095
10096 2016-03-16  Richard Henderson  <rth@redhat.com>
10097             Richard Biener  <rguenth@suse.de>
10098
10099         PR middle-end/70240
10100         PR middle-end/68215
10101         PR tree-opt/68714
10102         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
10103         first operand as is_gimple_condexpr.
10104
10105         PR middle-end/70240
10106         PR middle-end/68215
10107         Revert r231575
10108         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
10109         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
10110         Do not gimplify the result.
10111         (do_unop): Adjust call to tree_vec_extract.
10112         (do_binop): Likewise.
10113         (do_compare): Likewise.
10114         (do_plus_minus): Likewise.
10115         (do_negate): Likewise.
10116         (expand_vector_condition): Likewise.
10117         (do_cond): Likewise.
10118
10119 2016-03-16  Richard Henderson  <rth@redhat.com>
10120
10121         PR target/70048
10122         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
10123         (aarch64_classify_address): Use it.
10124         (aarch64_legitimize_address): Force all subexpressions of PLUS
10125         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
10126
10127 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
10128             Richard Biener  <rguenth@suse.de>
10129
10130         PR target/70245
10131         * rtlanal.c (replace_rtx): For REG, if from is a REG,
10132         return to even if only REGNO is equal, and assert
10133         mode is the same.
10134
10135 2016-03-11  Jeff Law  <law@redhat.com>
10136
10137         PR rtl-optimization/70224
10138         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
10139
10140 2016-03-16  Richard Henderson  <rth@redhat.com>
10141
10142         PR middle-end/70199
10143         * function.h (struct function): Add has_forced_label_in_static.
10144         * gimplify.c (force_labels_r): Set it.
10145         * lto-streamer-in.c (input_struct_function_base): Read it.
10146         * lto-streamer-out.c (output_struct_function_base): Write it.
10147         * tree-inline.c (has_label_address_in_static_1): Remove.
10148         (copy_forbidden): Remove fndecl parameter; test
10149         has_forced_label_in_static.
10150         (inline_forbidden_p): Update call to copy_forbidden.
10151         (tree_versionable_function_p): Likewise.
10152         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
10153         (chkp_versioning): Likewise.
10154         * tree-inline.h (copy_forbidden): Update decl.
10155
10156 2016-03-16  Marek Polacek  <polacek@redhat.com>
10157
10158         PR c/70093
10159         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
10160         function being thunked if the result type doesn't have fixed size.
10161         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
10162         doesn't have fixed size.
10163
10164 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
10165
10166         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
10167         reporting malformed loop nest.
10168
10169 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10170
10171         PR lto/70187
10172         * ipa-devirt.c (possible_polymorphic_call_targets): Move
10173         nodes.length () == 1 test to before first nodes[0] access.
10174
10175 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10176
10177         PR tree-optimization/68715
10178         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
10179         single_pred_p test.
10180
10181 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10182
10183         PR tree-optimization/68809
10184         * graphite-scop-detection.c (same_close_phi_node): Test if result types
10185         are the same.
10186
10187 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
10188             Sandra Loosemore  <sandra@codesourcery.com>
10189
10190         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
10191         on leaf attribute. Mention ELF interposition problems.
10192
10193 2016-03-16  Alan Modra  <amodra@gmail.com>
10194
10195         PR rtl-optimization/69195
10196         PR rtl-optimization/47992
10197         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10198         Add comments.
10199
10200 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10201
10202         PR bootstrap/69513
10203         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10204
10205 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10206
10207         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10208
10209 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10210
10211         PR rtl-optimization/70222
10212         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10213         optimization if mode is different from result_mode, queue up masking
10214         of the result in outer_op.  Formatting fix.
10215
10216         PR middle-end/70239
10217         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10218         of safe_grow.
10219
10220 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10221
10222         PR rtl-optimization/69032
10223         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10224         looping backwards over basic block insns.
10225
10226 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10227
10228         PR target/66660
10229         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10230         to non-speculative when propagating trap bits.
10231
10232 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10233
10234         PR rtl-optimization/63384
10235         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10236         DEBUG_INSN_P insns.
10237
10238 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10239
10240         PR target/64411
10241         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10242         factored out from ...
10243         (sched_analyze_insn): ... here.
10244         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10245         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10246         get_implicit_reg_pending_clobbers in it.
10247         (setup_id_reg_sets): Use setup_id_implicit_regs.
10248         (deps_init_id): Ditto.
10249
10250 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10251
10252         PR ipa/70161
10253         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10254         dump_file_name.
10255         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10256         execute_function_dump.
10257         (execute_one_pass): Don't dump function if it will be dumped after ipa
10258         transform.
10259
10260 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10261
10262         * genrecog.c (match_pattern_2): If pred is NULL don't call
10263         safe_predicate_mode on it.
10264
10265 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10266
10267         PR middle-end/70219
10268         * lra-constraints.c (delete_move_and_clobber): Change assertion
10269         to also allow dregno == 0.
10270
10271 2016-03-14  Richard Henderson  <rth@redhat.com>
10272
10273         PR tree-opt/68714
10274         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10275         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10276         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10277         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10278         on vectors.
10279
10280 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10281
10282         PR target/70083
10283         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10284         regs.
10285         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10286         VOIDmode.
10287         * lra-constraints.c (split_reg): For hard regs, try to find the
10288         biggest single-register mode used in the function.
10289
10290 2016-03-14  Richard Biener  <rguenther@suse.de>
10291
10292         PR tree-optimization/56365
10293         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10294         constants to compare against.
10295
10296 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10297
10298         PR target/70098
10299         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10300         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10301         (define_split for the GPR case): Use int_reg_operand instead of
10302         gpc_reg_operand for the output.
10303
10304 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10305
10306         PR tree-optimization/70045
10307         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10308         create_empty_if_region_on_edge argument.
10309
10310 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10311
10312         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10313         (STACK_CHECK_PROTECT): Likewise.
10314         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10315         (STACK_CHECK_PROTECT): Likewise.
10316         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10317         (STACK_CHECK_PROTECT): Likewise.
10318         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10319         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10320         (STACK_CHECK_PROTECT): Likewise.
10321
10322 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10323
10324         PR rtl-optimization/69307
10325         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10326         registers in modes that span more than one register.
10327
10328 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10329
10330         PR target/69614
10331         * lra-constraints.c (delete_move_and_clobber): New.
10332         (remove_inheritance_pseudos): Use it.
10333
10334 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10335
10336         PR ada/70017
10337         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10338         the libcall is LCT_THROW.
10339         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10340         for the checking routine.
10341
10342 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10343
10344         PR target/70131
10345         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10346         optimization if we have direct move.
10347         (roundu32<mode>2_fprs): Likewise.
10348
10349 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10350
10351         PR target/70123
10352         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10353         be rematerialized.
10354         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10355         Arguments swapped.  All callers changed.  Take reg_renumber into
10356         account, and Calculate and compare register ranges for hard regs.
10357
10358 2016-03-11  Jeff Law  <law@redhat.com>
10359
10360         PR tree-optimization/70190
10361         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10362         Handle cases where we can not extract the taken edge, even though we
10363         found a constant value.
10364
10365         PR tree-optimization/64058
10366         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10367         (num_coalesce_pairs): Move up earlier in file.
10368         (find_coalesce_pair): Initialize the INDEX field for each pair
10369         discovered.
10370         (compare_pairs): No longer sort on the elements in each pair.
10371         Instead break ties with the index of the coalesce pair.
10372
10373 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10374
10375         PR target/70002
10376         * config/aarch64/aarch64-protos.h
10377         (aarch64_save_restore_target_globals): New prototype.
10378         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10379         Call the above when popping pragma.
10380         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10381         New function.
10382         (aarch64_set_current_function): Rewrite using the above.
10383
10384 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10385
10386         PR tree-optimization/70177
10387         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10388         (extract_ops_from_tree): ... this.  In the 2 argument
10389         overload remove _1 suffix.
10390         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10391         (extract_ops_from_tree): ... this.
10392         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10393         Adjust callers.
10394         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10395         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10396         extract_ops_from_tree instead of 2 operand one.
10397
10398 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10399
10400         PR tree-optimization/70013
10401         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10402         for constant-pool entries.
10403
10404 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10405
10406         PR rtl-optimization/70174
10407         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10408         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10409
10410         PR tree-optimization/70169
10411         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10412         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10413         for unknown codes.
10414
10415 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10416             Jakub Jelinek  <jakub@redhat.com>
10417
10418         PR target/70160
10419         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10420         of uninitialized values.
10421
10422 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10423
10424         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10425         define_expand.
10426         ("*trunctddd2"): New pattern definition.
10427         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10428         TD->DD truncation.
10429
10430 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10431
10432         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10433         definitions for BFP and DFP rounding modes.
10434         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10435         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10436         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10437         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10438         numbers.
10439
10440 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10441
10442         * config/s390/constraints.md: Adjust comment.
10443         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10444         s390_decompose_addrstyle_without_index.
10445         * config/s390/predicates.md (shift_count_or_setmem_operand):
10446         Rename to setmem_operand.
10447         * config/s390/s390-protos.h
10448         (s390_decompose_shift_count): Rename to
10449         s390_decompose_addrstyle_without_index.
10450         * config/s390/s390.c (s390_decompose_shift_count)
10451         (s390_mem_constraint, print_shift_count_operand)
10452         (print_operand_address, print_operand): Rename
10453         s390_decompose_shift_count to
10454         s390_decompose_addrstyle_without_index and rename
10455         print_shift_count_operand to print_addrstyle_operand troughout the
10456         file.
10457         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10458         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10459         Rename shift_count_or_setmem_operand to setmem_operand.
10460         * config/s390/vx-builtins.md ("vec_insert<mode>")
10461         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10462         nonmemory_operand.
10463
10464 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10465
10466         PR target/70168
10467         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10468         Handle overlapping retval and newval.
10469
10470 2016-03-10  Nick Clifton  <nickc@redhat.com>
10471
10472         PR target/7044
10473         * config/aarch64/aarch64.c
10474         (aarch64_override_options_after_change_1): When forcing
10475         flag_omit_frame_pointer to be true, use a special value that can
10476         be detected if this function is called again, thus preventing
10477         flag_omit_leaf_frame_pointer from being forced to be false.
10478
10479 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10480
10481         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10482         Set x_flag_omit_leaf_frame_pointer when handling
10483         -momit-leaf-frame-pointer.
10484
10485 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10486
10487         PR lto/69589
10488         * cgraph.c (cgraph_node::dump): Dump split_part and
10489         indirect_call_target.
10490         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10491         * ipa.c (has_addr_references_p): Cleanup.
10492         (is_indirect_call_target_p): New.
10493         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10494         called indirectly as local.
10495         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10496
10497 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10498
10499         PR ipa/69630
10500         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10501         on cxa_pure_virtual.
10502
10503 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10504
10505         PR lto/69589
10506         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10507
10508 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10509
10510         PR lto/69589
10511         * tree.c (need_assembler_name_p): Only record main variant type names.
10512
10513 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10514
10515         PR target/70113.
10516         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10517         Always define to 0 or 1.
10518         (TARGET_FIX_ERR_A53_843419): New macro.
10519         * config/aarch64/aarch64-elf-raw.h
10520         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10521         * config/aarch64/aarch64-linux.h: Likewise.
10522         * config/aarch64/aarch64.c
10523         (aarch64_override_options_after_change_1): Do not default
10524         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10525         843419 is on.
10526         (aarch64_attributes): Handle fix-cortex-a53-843419.
10527         (aarch64_can_inline_p): Likewise.
10528         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10529
10530 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10531         Jakub Jelinek <jakub@redhat.com>
10532
10533         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10534         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10535         DECL_COMMONS if flag_unconstrained_commons is set.
10536         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10537         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10538         (funconstrained-commons): Document.
10539
10540 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10541
10542         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10543         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10544
10545 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10546
10547         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10548         has a proper number of elements.
10549
10550 2016-03-10  Alan Modra  <amodra@gmail.com>
10551
10552         PR rtl-optimization/69195
10553         PR rtl-optimization/47992
10554         * ira.c (recorded_label_ref): Delete.
10555         (update_equiv_regs): Return void.
10556         (indirect_jump_optimize): New function.
10557         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10558         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10559         Delete update_regstat.
10560
10561 2016-03-10  Richard Biener  <rguenther@suse.de>
10562
10563         PR tree-optimization/70128
10564         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10565         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10566
10567 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10568
10569         PR tree-optimization/70152
10570         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10571         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10572
10573         PR target/70086
10574         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10575         instead of gen_sse2_loadlpd.
10576         * config/i386/sse.md (*vec_concatv2df): Rename to...
10577         (vec_concatv2df): ... this.
10578
10579         PR tree-optimization/70127
10580         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10581
10582 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10583
10584         PR c/68473
10585         PR c++/70105
10586         * diagnostic-show-locus.c (compatible_locations_p): New function.
10587         (layout::layout): Sanitize ranges using compatible_locations_p.
10588
10589 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10590
10591         PR c/68473
10592         PR c++/70105
10593         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10594         location_range param with three const expanded_locations * and a
10595         bool.
10596         (layout::layout): Replace call to
10597         rich_location::lazily_expand_location with get_expanded_location.
10598         Extract the range and perform location expansion here, passing
10599         the results to the layout_range ctor.
10600         * diagnostic.c (source_range::debug): Delete.
10601         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10602         of rich_location::get_expanded_location.
10603         * gcc-rich-location.c (get_range_for_expr): Delete.
10604         (gcc_rich_location::add_expr): Reimplement to avoid the
10605         rich_location::add_range overload that took a location_range,
10606         passing a location_t instead.
10607
10608 2016-03-09  Richard Biener  <rguenther@suse.de>
10609         Jakub Jelinek  <jakub@redhat.com>
10610
10611         PR tree-optimization/70138
10612         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10613         Also skip vect_double_reduction_def.
10614
10615 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10616
10617         PR target/70049
10618         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10619         if the operand is "m".
10620
10621 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10622
10623         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10624
10625 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10626
10627         * config/i386/i386.c (processor_target_table): Fix cost table
10628         intialization order for znver1.
10629
10630 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10631
10632         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10633         - becuase -> because.
10634         * ipa-reference.c (ignore_module_statics): Likewise.
10635         * cgraph.c (cgraph_node::get_body): Likewise.
10636         * ipa-inline.c (early_inliner): Likewise.
10637         * ipa-devirt.c (types_same_for_odr): Likewise.
10638         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10639         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10640
10641 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10642
10643         * tree-ssa-math-opts.c: Fix typo in comment.
10644
10645 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10646
10647         PR target/70110
10648         * config/i386/i386.c (scalar_chain::make_vector_copies,
10649         scalar_chain::convert_reg): Call end_sequence in between
10650         get_insns and emit_conversion_insns rather than after both
10651         calls.
10652
10653 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
10654
10655         PR target/70064
10656         * config/i386/i386.h (machine_function): Add
10657         pc_thunk_call_expanded flag.
10658         (ix86_pc_thunk_call_expanded): New define.
10659         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10660         (*set_got): Rename insn pattern from set_got.
10661         (*set_got_labelled): Rename inst pattern from set_got_labelled.
10662         * config/i386/i386.c (ix86_compute_frame_layout): Use
10663         ix86_pc_thunk_call_expanded to prevent red-zone.
10664
10665 2016-03-07  Martin Jambor  <mjambor@suse.cz>
10666
10667         * hsa.h (hsa_get_ctor_statements): Declare.
10668         (hsa_get_dtor_statements): Likewise.
10669         (hsa_get_kernel_dispatch_type): Likewise.
10670         * hsa.c (hsa_get_ctor_statements): New function.
10671         (hsa_get_dtor_statements): Likewise.
10672         (hsa_get_kernel_dispatch_type): Likewise.
10673         * hsa-brig.c (hsa_cdtor_statements): Removed.
10674         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10675         hsa_get_dtor_statements.
10676         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10677         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10678
10679 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
10680
10681         * config/arm/arm-cores.def (cortex-r8): New.
10682         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10683         * config/arm/arm-tune.md: Likewise.
10684         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10685
10686 2016-03-07  Martin Sebor  <msebor@redhat.com>
10687
10688         PR rtl-optimization/19705
10689         * doc/invoke.texi (Options That Control Optimization): Clarify
10690         -fno-branch-count-reg.
10691
10692 2016-02-26  Richard Biener  <rguenther@suse.de>
10693             Jeff Law  <law@redhat.com>
10694
10695         PR tree-optimization/69740
10696         * cfghooks.c (remove_edge): Request loop fixups if we delete
10697         an edge that might turn an irreducible loop into a natural
10698         loop.
10699         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10700         Move after definition of loops_state_clear.
10701
10702 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
10703
10704         PR rtl-optimization/69052
10705         * rtlanal.c (commutative_operand_precedence): Set higher precedence
10706         to CONST_WIDE_INT.
10707
10708 2016-03-07  Tom de Vries  <tom@codesourcery.com>
10709
10710         PR tree-optimization/70116
10711         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10712         is_tm_ending stmts and ubsan/asan internal functions.
10713         (find_duplicate): Use it.  Don't test is_tm_ending here.
10714
10715 2016-03-07  Richard Biener  <rguenther@suse.de>
10716
10717         PR tree-optimization/70115
10718         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10719         (propagate_constants_for_unrolling): Use replace_uses_by.
10720
10721 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
10722
10723         PR middle-end/69916
10724         * omp-low.c (struct oacc_loop): Add ifns.
10725         (new_oacc_loop_raw): Initialize it.
10726         (finish_oacc_loop): Clear mask & flags if no ifns.
10727         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10728         (oacc_loop_xform_loop): Add ifns arg & adjust.
10729         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10730
10731 2016-03-07  Richard Henderson  <rth@redhat.com>
10732
10733         PR rtl-opt/70061
10734         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10735         (insert_value_copy_on_edge): Likewise.
10736
10737 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10738
10739         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10740
10741 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10742
10743         PR target/62281
10744         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10745
10746 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10747
10748         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10749
10750 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10751
10752         Fix sseimul type attribute.
10753         * config/i386/znver1.md
10754         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10755         znver1_sseimul_avx256_load) : Fix the type attribute.
10756         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10757         pipe usage and latency.
10758
10759 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
10760
10761         PR c++/70084
10762         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10763         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10764         to the right type.
10765
10766 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10767
10768         PR c/69973
10769         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10770
10771         PR rtl-optimization/69941
10772         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10773         the reg share its mode.
10774
10775 2016-03-04  Jeff Law  <law@redhat.com>
10776
10777         PR tree-optimization/69196
10778         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10779         If the both SSA_NAMEs are anonymous, then consider them unassociated
10780         and include the PHI in the statement count.
10781
10782 2016-03-05  Tom de Vries  <tom@codesourcery.com>
10783
10784         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10785         construct in oacc routine.  Check for oacc region in oacc routine.
10786
10787 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10788
10789         PR target/70062
10790         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
10791         2016-02-22 changes, instead don't recurse if RECUR is already true.
10792         Don't change *dynamic_check if RECUR.  Adjust recursive caller
10793         to pass true to the new argument.
10794         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10795
10796         PR target/70059
10797         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10798         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10799         fixes.
10800         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
10801
10802 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10803
10804         PR rtl-optimization/57676
10805         * lra-assigns.c (lra_assign): Guard test for maximum iterations
10806         with flag_checking.
10807
10808 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
10809
10810         * tree-vect-patterns.c (search_type_for_mask): Handle
10811         comparison of booleans.
10812
10813 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10814
10815         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10816         Fix @xref usage.
10817
10818         PR debug/69947
10819         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10820         all other ops that have dw_val_class_die_ref operands,
10821         and DW_OP_GNU_entry_value.
10822
10823 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10824
10825         PR rtl-optimization/69904
10826         * config/arm/arm.c (arm_cannot_copy_insn_p):
10827         Return true for load-exclusive instructions.
10828
10829 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
10830
10831         PR target/70021
10832         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10833         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10834         the pattern no matter if it is used just by non-pattern, pattern
10835         or mix thereof.
10836         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10837         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10838         oprnd1 def_stmt is in pattern, don't look through it.
10839
10840 2016-03-03  Marek Polacek  <polacek@redhat.com>
10841
10842         PR middle-end/70050
10843         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10844
10845 2016-03-03  Martin Liska  <mliska@suse.cz>
10846
10847         PR tree-optimization/70043
10848         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10849         previous statement if we see a debug statement.
10850
10851 2016-03-03  Richard Biener  <rguenther@suse.de>
10852
10853         PR tree-optimization/55936
10854         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10855         parameter and guard unsafe equivalence use.
10856         (vrp_evaluate_conditional_warnv_with_ops): Always use
10857         safe equivalences but not via the quadratic compare_names
10858         helper.
10859
10860 2016-03-03  Michael Collison  <michael.collison@linaro.org>
10861
10862         PR target/70014
10863         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10864         for operand 1 to s_register_operand. Change predicate for operand
10865         2 to arm_not_immediate_operand.
10866
10867 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
10868
10869         * doc/tm.texi: Regenerated.
10870
10871 2016-03-02  Richard Henderson  <rth@redhat.com>
10872
10873         PR rtl-opt/67145
10874         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10875         simplification when all args are positive non-fixed registers.
10876
10877 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10878
10879         * target.def (lra_p): Specify that new ports should use LRA.
10880
10881 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10882
10883         PR libgomp/69555
10884         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10885         gimplify_type_sizes the type they refer to.
10886         (omp_notice_variable): Handle reference vars to VLAs.
10887         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10888         reference to VLA decls in the second pass instead of first pass.
10889
10890 2016-03-02  Tom de Vries  <tom@codesourcery.com>
10891
10892         PR tree-optimization/68659
10893         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10894         new_expr == NULL_TREE.
10895         (get_new_name): Handle ADDR_EXPR.
10896
10897 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
10898
10899         PR rtl-optimization/69052
10900         * loop-invariant.c (canonicalize_address): New function.
10901         (inv_can_prop_to_addr_use): Check validity of address expression
10902         which is canonicalized by above function.
10903
10904 2016-03-02  Alan Modra  <amodra@gmail.com>
10905
10906         PR ipa/69990
10907         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10908         larger alignment.
10909
10910 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10911
10912         PR target/70028
10913         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10914         (*movhi_internal): Put mask moves from and to memory separately
10915         from moves from/to GPRs.
10916
10917 2016-03-02  Richard Biener  <rguenther@suse.de>
10918
10919         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10920         GENERIC expressions in GIMPLE.
10921
10922 2016-03-02  Richard Biener  <rguenther@suse.de>
10923
10924         * config/i386/i386.c (type_natural_mode): Fix typo.
10925
10926 2016-03-02  Nick Clifton  <nickc@redhat.com>
10927
10928         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10929
10930 2016-03-02  Richard Biener  <rguenther@suse.de>
10931             Uros Bizjak  <ubizjak@gmail.com>
10932
10933         PR target/67278
10934         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10935
10936 2016-03-02  Richard Biener  <rguenther@suse.de>
10937
10938         PR middle-end/67278
10939         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10940
10941 2016-03-02  Marek Polacek  <polacek@redhat.com>
10942
10943         PR c/67854
10944         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10945         "is promoted to" warning.
10946
10947 2016-03-01  DJ Delorie  <dj@redhat.com>
10948
10949         * config.gcc: Deprecate mep-*.
10950
10951 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
10952
10953         PR middle-end/70025
10954         * lra-constraints.c (regno_val_use_in): New.
10955         (match_reload): Use it instead of regno_use_in.
10956
10957 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10958
10959         PR rtl-optimization/70007
10960         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10961         references present in REG_EQUAL notes attached to non-SET patterns.
10962
10963 2016-03-01  Jeff Law  <law@redhat.com>
10964
10965         PR tree-optimization/69196
10966         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10967         Appropriately clamp the number of statements to copy when the
10968         thread path does not traverse a loop backedge.
10969
10970         PR tree-optimization/69196
10971         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10972         Do count some PHIs in the thread path against the insn count.  Decrease
10973         final statement count by one as the control statement in the last
10974         block will get removed.  Remove special cased code for handling PHIs
10975         in the last block.
10976
10977 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
10978
10979         PR target/70027
10980         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10981         asm dialect alternatives to explicit GOTPCREL calls.
10982
10983 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10984
10985         PR ada/70017
10986         * ira.c (do_reload): Issue warning for generic stack checking here...
10987         * reload1.c (reload): ...instead of here and streamline it.
10988
10989 2016-03-01  Nick Clifton  <nickc@redhat.com>
10990
10991         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
10992
10993 2016-03-01  Richard Biener  <rguenther@suse.de>
10994
10995         PR tree-optimization/69983
10996         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
10997         types and fall back to operand_equal_p.
10998
10999 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11000
11001         Revert
11002         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11003
11004         * config/s390/constraints.md ("jm8"): New constraint.
11005         * config/s390/predicates.md ("const_int_8bitset_operand"): New
11006         predicate.
11007         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
11008         into ...
11009         ("*setmem_long<setmem_and>"): New pattern.
11010         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
11011         into ...
11012         ("*setmem_long_31z<setmem_and>"): New pattern.
11013         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
11014         New substitution rules with the required attributes.
11015
11016
11017 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11018
11019         Revert
11020         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11021
11022         * gensupport.c (process_substs_on_one_elem): Split loop to
11023         complete mark_operands_used_in_match_dup on all expressions in the
11024         vector first.
11025         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11026         and remove function.
11027
11028 2016-03-01  Richard Biener  <rguenther@suse.de>
11029
11030         PR middle-end/70022
11031         * fold-const.c (fold_indirect_ref_1): Fix range checking for
11032         vector BIT_FIELD_REF extract.
11033
11034 2016-03-01  Richard Biener  <rguenther@suse.de>
11035
11036         PR tree-optimization/69994
11037         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
11038
11039 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
11040
11041         PR tree-optimization/69956
11042         * tree-vect-stmts.c (supportable_widening_operation): Support
11043         multi-step conversion of boolean vectors.
11044         (supportable_narrowing_operation): Likewise.
11045
11046 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11047
11048         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
11049         anymore.
11050
11051 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11052
11053         * config/s390/subst.md (DSI_VI): New mode iterator.
11054         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
11055         * config/s390/vector.md ("vec_set<mode>"): Move expander before
11056         the insn definition.
11057         ("*vec_set<mode>"): Change predicate and add alternative to
11058         support only either register or const_int operands as element
11059         selector.
11060         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
11061         operands.
11062         ("vec_extract<mode>"): New expander.
11063         ("*vec_extract<mode>"): New insn definition supporting reg and
11064         const_int element selectors.
11065         ("*vec_extract<mode>_plus"): New insn definition supporting
11066         reg+const_int element selectors.
11067         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
11068         following expander+insn definition.
11069         ("<vec_shifts_name><mode>3"): New expander.
11070         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
11071
11072 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11073
11074         * config/s390/s390.md ("*tabort_1"): Change predicate to
11075         nonmemory_operand.  Add a second alternative to cover
11076         register as well as const int operands.
11077         ("*tabort_1_plus"): New pattern definition.
11078
11079 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11080
11081         * config/s390/s390.md ("*ashrdi3_cc_31")
11082         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
11083         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
11084         Merge insn definitions into ...
11085         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11086         New pattern definition.
11087         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
11088         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
11089         ("*ashr<mode>3_and"): Merge insn definitions into ...
11090         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11091         New pattern definition.
11092         * config/s390/subst.md ("addr_style_op_cc_subst")
11093         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
11094         substitutions patterns plus attributes.
11095         Add ashiftrt to SUBST iterator.
11096
11097 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11098
11099         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
11100         op2 to nonmemory_operand.
11101         ("*<shift>di3_31", "*<shift>di3_31_and"):
11102         Merge into single pattern definition ...
11103         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
11104         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
11105         pattern definition ...
11106         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
11107         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
11108         iterator.
11109
11110 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11111
11112         * config/s390/predicates.md (const_int_6bitset_operand): New
11113         predicate.
11114         * config/s390/s390.md: Include subst.md.
11115         ("rotl<mode>3"): New expander.
11116         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
11117         ...
11118         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
11119         * config/s390/subst.md: New file.
11120
11121 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11122
11123         * config/s390/s390.md ("op_type", "atype", "length" attributes):
11124         Remove RRR type.  It doesn't really exist.
11125         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
11126         attributes.
11127         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
11128         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
11129         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
11130         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
11131         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
11132         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
11133         `enabled' attribute.
11134
11135 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11136
11137         * gensupport.c (process_substs_on_one_elem): Split loop to
11138         complete mark_operands_used_in_match_dup on all expressions in the
11139         vector first.
11140         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11141         and remove function.
11142
11143 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11144
11145         PR target/69706
11146         * config/sparc/sparc.c (NWORDS_UP): Rename to...
11147         (CEIL_NWORDS): ...this.  Use CEIL macro.
11148         (compute_fp_layout): Adjust to above renaming.
11149         (function_arg_union_value): Likewise.
11150         (sparc_arg_partial_bytes): Likewise.
11151         (sparc_function_arg_advance): Likewise.
11152
11153 2016-02-29  Jeff Law  <law@redhat.com>
11154
11155         PR tree-optimization/70005
11156         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
11157         where an object with a boolean range is compared against a value
11158         outside [0..1].
11159
11160         PR tree-optimization/69999
11161         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
11162         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
11163         loop cleanups.
11164
11165 2016-02-29  Richard Biener  <rguenther@suse.de>
11166
11167         PR tree-optimization/69994
11168         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
11169         (get_unary_op): Look through nop conversions.
11170         (ops_equal_values_p): New function, look for equality diregarding
11171         nop conversions.
11172         (eliminate_plus_minus_pair): Use ops_equal_values_p
11173         (repropagate_negates): Do not use get_unary_op here.
11174
11175 2016-02-29  Martin Liska  <mliska@suse.cz>
11176
11177         * system.h: Poison ENABLE_CHECKING macro.
11178
11179 2016-02-29  Martin Liska  <mliska@suse.cz>
11180
11181         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
11182         is presented in dump flags.
11183         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11184         (hsa_regalloc): Likewise.
11185
11186 2016-02-19  Richard Biener  <rguenther@suse.de>
11187
11188         PR tree-optimization/69980
11189         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
11190         permutation of those we need to keep.
11191
11192 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11193
11194         PR target/69706
11195         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11196         (NWORDS_UP): ...this
11197         (init_cumulative_args): Minor tweaks.
11198         (sparc_promote_function_mode): Likewise.
11199         (scan_record_type): Delete.
11200         (traverse_record_type): New function template.
11201         (classify_data_t): New structure type.
11202         (classify_registers): New inline function.
11203         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11204         exhausted.  Instantiate traverse_record_type on classify_registers and
11205         deal with the case of a structure passed in slot #15 with no FP field
11206         in the first word.
11207         (assign_data_t): New structure type.
11208         (compute_int_layout): New static function.
11209         (compute_fp_layout): Likewise.
11210         (count_registers): New inline function.
11211         (assign_int_registers): New static function.
11212         (assign_fp_registers): Likewise.
11213         (assign_registers): New inline function.
11214         (function_arg_record_value_1): Delete.
11215         (function_arg_record_value_2): Likewise.
11216         (function_arg_record_value_3): Likewise.
11217         (function_arg_record_value): Adjust to above changes.  Instantiate
11218         traverse_record_type on count_registers to first count the number of
11219         registers to be used and then on assign_registers to assign them.
11220         (function_arg_union_value): Adjust to above renaming.
11221         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11222         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11223         case of a structure passed in slot #15
11224         (sparc_function_arg_advance): Likewise.
11225         (function_arg_padding): Minor tweak.
11226
11227 2016-02-29  Richard Biener  <rguenther@suse.de>
11228
11229         PR tree-optimization/69720
11230         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11231         the adjustment_def path for possibly vectorized defs.
11232         (vect_create_epilog_for_reduction): Handle vectorized initial
11233         defs properly.
11234
11235 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11236
11237         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11238
11239 2016-02-27  Jeff Law  <law@redhat.com>
11240
11241         Revert
11242         2016-02-26  Richard Biener  <rguenther@suse.de>
11243                     Jeff Law  <law@redhat.com>
11244
11245         PR tree-optimization/69740
11246         * cfghooks.c (remove_edge): Request loop fixups if we delete
11247         an edge that might turn an irreducible loop into a natural
11248         loop.
11249
11250 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11251
11252         PR rtl-optimization/69896
11253         * tree-vect-generic.c (get_compute_type): Avoid single element
11254         vector types.
11255
11256 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11257
11258         Rename the AArch64 tuning option and related functions to enable the
11259         Newton series for the reciprocal square root to reflect its
11260         approximative characteristic.
11261
11262         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11263         function to "aarch64_emit_approx_rsqrt".
11264         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11265         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11266         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11267         (xgene1_tunings): Likewise.
11268         (use_rsqrt_p): Likewise.
11269         (aarch64_emit_swrsqrt): Use new function name.
11270         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11271         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11272         text explaining this option.
11273         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11274
11275 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11276
11277         PR target/69969
11278         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11279         complain about -mallow-movmisalign without -mvsx if
11280         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11281
11282 2016-02-26  Joel Sherrill  <joel@rtems.org>
11283
11284         * config.gcc: Add x86_64-*-rtems*.
11285         * config/i386/rtems-64.h: New file.
11286
11287 2016-02-26  Joel Sherrill  <joel@rtems.org>
11288
11289         * config.gcc: Add aarch64-*-rtems*.
11290         * config/aarch64/rtems.h: New file.
11291
11292 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11293
11294         PR target/69946
11295         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11296         shift amount using %h.  Add comment.
11297
11298 2016-02-26  Richard Biener  <rguenther@suse.de>
11299             Jeff Law  <law@redhat.com>
11300
11301         PR tree-optimization/69740
11302         * cfghooks.c (remove_edge): Request loop fixups if we delete
11303         an edge that might turn an irreducible loop into a natural
11304         loop.
11305
11306 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11307
11308         PR middle-end/69920
11309         * tree-sra.c (sra_modify_assign): Do not remove loads of
11310         uninitialized aggregates to SSA_NAMEs.
11311
11312 2016-02-26  Richard Henderson  <rth@redhat.com>
11313
11314         PR target/69709
11315         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11316         pseudo in case the target rtx matches the source of the left
11317         shift.
11318
11319 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11320
11321         PR hsa/69568
11322         * hsa.h (hsa_type_packed_p): Declare.
11323         * hsa.c (hsa_type_packed_p): New function.
11324         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11325         loads.
11326         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11327         * hsa-brig.c (emit_basic_insn): Likewise.
11328
11329 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11330
11331         pr hsa/69674
11332         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11333         pointers.
11334         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11335
11336 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11337
11338         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11339         hsa_op_with_type operands.
11340         (hsa_unsigned_type_for_type): Declare.
11341         * hsa.c (hsa_unsigned_type_for_type): New function.
11342         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11343         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11344         the finalizer.  Do not emit extra move.
11345
11346 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11347
11348         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11349         atomic operations in private segment.
11350
11351 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11352
11353         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11354         statements to wi->info.  Also disallow omp simd constructs.
11355         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11356         for not gridifying.  Dump special string for omp_for.
11357
11358 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11359
11360         PR target/69245
11361         * config/aarch64/aarch64.c (aarch64_set_current_function):
11362         Save/restore target globals when switching to
11363         target_option_default_node.
11364
11365 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11366
11367         PR target/69613
11368         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11369         Return 0 if !SHIFT_COUNT_TRUNCATED.
11370
11371 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11372             Eric Botcazou  <ebotcazou@adacore.com>
11373
11374         PR rtl-optimization/69891
11375         * dse.c (scan_insn): If we can't figure out memset arguments
11376         or they are non-constant, call clear_rhs_from_active_local_stores.
11377
11378 2016-02-26  Martin Liska  <mliska@suse.cz>
11379
11380         * doc/extend.texi: Mention clog10, clog10f an clog10l
11381         in Builtins section.
11382
11383 2016-02-26  Martin Liska  <mliska@suse.cz>
11384
11385         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11386         CHECKING_P.
11387         (resolve_args_picking_1): Likewise.
11388         * dwarf2out.h (struct GTY): Likewise.
11389
11390 2016-02-26  Martin Liska  <mliska@suse.cz>
11391
11392         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11393         with flag_checking.
11394         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11395
11396 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11397             Martin Liska  <mliska@suse.cz>
11398
11399         * doc/install.texi: Mention --enable-valgrind-annotations.
11400
11401 2016-02-26  Richard Biener  <rguenther@suse.de>
11402
11403         PR tree-optimization/69551
11404         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11405         looking through aliases adjust DECL_PT_UID to refer to the
11406         ultimate alias target.
11407
11408 2016-02-25  Martin Liska  <mliska@suse.cz>
11409
11410         PR middle-end/69919
11411         * alloc-pool.c (after_memory_report): New variable.
11412         * alloc-pool.h (base_pool_allocator ::release): Do not use
11413         the infrastructure if after_memory_report.
11414         * toplev.c (toplev::main): Mark after memory report.
11415
11416 2016-02-25  Richard Biener  <rguenther@suse.de>
11417
11418         PR tree-optimization/48795
11419         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11420
11421 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11422
11423         PR driver/68463
11424         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11425         offloading is enabled and -fopenacc or -fopenmp is specified.
11426         (CRTOFFLOADEND): Likewise.
11427         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11428         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11429         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11430         (offload_objects_file_name): New static var.
11431         (tool_cleanup): Remove offload_objects_file_name file.
11432         (find_offloadbeginend): Replace with ...
11433         (find_crtoffloadtable): ... this.
11434         (run_gcc): Remove offload_argc and offload_argv.
11435         Get offload_objects_file_name from -foffload-objects=... option.
11436         Read names of object files with offload from this file, pass them to
11437         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11438         don't pass offloadbegin and offloadend to the linker.  Don't pass
11439         offload non-LTO files to the linker, because now they're not claimed.
11440
11441 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11442
11443         PR ipa/69630
11444         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11445         on builtin_unreachable.
11446
11447 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11448
11449         PR rtl-optimization/69896
11450         * regcprop.c: Include cfgrtl.h.
11451         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11452         than remembered mode, either delete it (if noop_move_p), or
11453         treat like copy_p but not noop_p instruction.
11454
11455 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11456
11457         PR debug/69705
11458         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11459         - allow NULL decl for Fortran DW_TAG_common_block variables.
11460
11461 2016-02-24  Jason Merrill  <jason@redhat.com>
11462
11463         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11464
11465 2016-02-24  Richard Biener  <rguenther@suse.de>
11466             Jakub Jelinek  <jakub@redhat.com>
11467
11468         PR middle-end/69760
11469         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11470         conditionally executed ops to well-defined overflow behavior.
11471
11472 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11473
11474         PR middle-end/69915
11475         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11476         elements.
11477
11478 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11479
11480         PR rtl-optimization/69886
11481         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11482         argument.  Use it when checking validity of set instructions.
11483         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11484         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11485         callsite.
11486         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11487         * store-motion.c (find_moveable_store): Update
11488         can_assign_to_reg_without_clobbers_p callsite.
11489
11490 2016-02-24  Richard Biener  <rguenther@suse.de>
11491
11492         PR middle-end/68963
11493         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11494         bogus check.
11495         (record_nonwrapping_iv): Do not fall back to the low/high bound
11496         for non-constant IV bases if the stmt is not always executed.
11497
11498 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11499
11500         * config/arm/arm-cores.def (cortex-a32): New entry.
11501         * config/arm/arm-tables.opt: Regenerate.
11502         * config/arm/arm-tune.md: Regenerate.
11503         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11504         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11505         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11506         for -mcpu and -mtune.
11507
11508 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11509
11510         PR target/69875
11511         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11512         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11513         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11514         (atomic_loaddi_1): Delete.
11515         (atomic_loaddi): Rewrite expander using the above changes.
11516
11517 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11518
11519         PR c/69918
11520         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11521         2 to 3.
11522
11523 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11524             Richard Biener  <rguenth@suse.de>
11525
11526         PR middle-end/69909
11527         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11528         set_mem_attributes if tem is SSA_NAME which got expanded
11529         as a MEM.
11530
11531 2016-02-24  Richard Biener  <rguenther@suse.de>
11532
11533         PR tree-optimization/69907
11534         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11535         end of permutations for BB vectorization.
11536
11537 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11538
11539         * config/arm/arm-c.c (arm_option_override): Initialize
11540         target_option_current_node.
11541         * config/arm/arm.c (arm_pragma_target_parse): Replace
11542         build_target_option_node call by target_option_current_node.
11543         Set target_option_current_node.
11544         Fix comments.
11545
11546 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11547
11548         PR target/69810
11549         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11550         define_insn_and_split to define_insn.
11551         (zero_extendqi<mode>2_dot2): Same.
11552         (extendqi<mode>2_dot): Same.
11553         (extendqi<mode>2_dot2): Same.
11554
11555 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11556
11557         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11558         and add bypass for AES{D,E} and AESMC pairs.
11559         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11560         and AESMC pairs.
11561
11562 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11563
11564         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11565         series for reciprocal square root in Exynos M1.
11566
11567 2016-02-23  Martin Sebor  <msebor@redhat.com>
11568
11569         PR c/69759
11570         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11571         __builtin_alloca_with_align.
11572
11573 2016-02-23  Richard Henderson  <rth@redhat.com>
11574
11575         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11576         (ix86_register_pragmas): Remove __seg_tls.
11577         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11578         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11579         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11580         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11581         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11582         * doc/extend.texi (__seg_tls): Remove item.
11583
11584 2016-02-23  Richard Biener  <rguenther@suse.de>
11585
11586         * alloc-pool.h (struct allocation_object): Make id member
11587         conditional on CHECKING_P again.
11588         (get_instance): Adjust.
11589         (base_pool_allocator): Likewise.
11590
11591 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11592
11593         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11594         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11595         zero.
11596         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11597         flag_openacc.
11598         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11599
11600 2016-02-23  Richard Biener  <rguenther@suse.de>
11601
11602         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11603         * bitmap.h (struct bitmap_usage): Likewise.
11604         (bitmap_move): Declare.
11605         * bitmap.c (register_overhead): Take size_t argument.
11606         (bitmap_move): New function.
11607         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11608         to properly account overhead.
11609         * tree.c (free_node): Use tree_size.
11610
11611 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11612
11613         PR c++/69902
11614         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11615         when inverting comparison.
11616
11617         PR c/69900
11618         * common.opt (Wunreachable-code): Add Warning flag.
11619
11620 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11621             Jakub Jelinek  <jakub@redhat.com>
11622
11623         PR c/69911
11624         * cgraphunit.c (check_global_declaration): Check main_input_filename
11625         and DECL_SOURCE_FILE are not NULL.
11626
11627 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11628
11629         PR tree-optimization/69666
11630         * tree-sra.c (sra_modify_assign): Do not attempt to create
11631         default_def replacements for unscalarizable regions.
11632
11633 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11634
11635         PR c/28901
11636         * cgraphunit.c (check_global_declaration): Check level of
11637         warn_unused_const_variable and main_input_filename.
11638         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11639         (-Wunused-variable): For C implies -Wunused-const-variable=1.
11640         (-Wunused-const-variable): Explain levels 1 and 2.
11641
11642 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11643
11644         PR target/69888
11645         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11646         identical arguments.  Formatting and spelling fixes.
11647
11648         PR target/69885
11649         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11650         be specified.
11651
11652         PR target/69894
11653         PR target/69895
11654         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11655         and m68k-devices.def.
11656         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11657         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11658
11659 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
11660
11661         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11662         and HImode registers.
11663
11664 2016-02-22  Richard Biener  <rguenther@suse.de>
11665
11666         PR tree-optimization/69882
11667         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11668         preserve permutations present because of gaps.
11669         (vect_supported_load_permutation_p): Always continue checking
11670         permutations after vect_attempt_slp_rearrange_stmts.
11671
11672 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
11673
11674         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11675         min_profitable_estimate, rather than min_profitable_iters.
11676
11677 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11678
11679         PR target/69885
11680         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11681         SImode for last match_operand.
11682
11683 2016-02-22  Martin Liska  <mliska@suse.cz>
11684
11685         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11686         return bitsize - 1 as the return value.
11687
11688 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
11689
11690         PR target/69806
11691         PR target/54089
11692         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11693         Handle negative shift counts.
11694         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11695         force_reg on the shift constant.
11696         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
11697         (lshrsi3_d): Handle negative shift counts.
11698
11699 2016-02-22  Richard Biener  <rguenther@suse.de>
11700             Tom de Vries  <tom@codesourcery.com>
11701
11702         * graph.c: Include dumpfile.h.
11703         (print_graph_cfg): Split into three overloads.
11704         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11705
11706 2016-02-22  Tom de Vries  <tom@codesourcery.com>
11707
11708         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11709         dump-fn.
11710
11711 2016-02-22  Richard Biener  <rguenther@suse.de>
11712
11713         PR ipa/37448
11714         * ipa-inline-transform.c (inline_call): When not updating
11715         overall summaries adjust self size by the growth estimate.
11716         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11717         hash-set, do not update overall summaries here.  Renamed from ...
11718         (inline_to_all_callers): ... this which is now wrapping the
11719         above and performing delayed overall summary update.
11720         (early_inline_small_functions): Delay updating of the overall
11721         summary.
11722
11723 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
11724
11725         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11726         variable.
11727
11728 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11729
11730         PR driver/69805
11731         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11732         :%* in %:gt() argument.
11733         (greater_than_spec_func): Adjust for expecting only numbers,
11734         if there are more than two numbers, compare the last two.
11735
11736 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
11737
11738         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11739         -Wnarrowing with -std.
11740
11741 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11742
11743         PR c++/69851
11744         * expr.c (store_field): Don't use bit-field path if exp is
11745         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11746         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11747         and the assignment can be performed by bitwise copy.  Formatting
11748         fix.
11749
11750         PR middle-end/69838
11751         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11752         call copy_reg_eh_region_note_forward on before and/or after sequences
11753         and remove note from insn if it no longer can throw.
11754
11755         PR target/69820
11756         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11757         if TARGET_AVX512BW.
11758
11759 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11760
11761         * config/s390/vector.md: Add missing commutative operand markers
11762         to the patterns which qualify for one.
11763         * config/s390/vx-builtins.md: Likewise.
11764
11765 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11766
11767         * config/s390/vector.md (VI, VI_QHS): Add single element vector
11768         types to mode iterators.
11769         (vec_double): ... and mode attribute.
11770         * config/s390/vx-builtins.md (non_vec_int): Likewise.
11771
11772 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11773
11774         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11775         Change the predicate of op2 from nonimmediate to general and let
11776         reload fix it if necessary.
11777
11778 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11779
11780         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11781
11782 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11783
11784         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11785         mode.
11786
11787 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11788
11789         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11790         * config/s390/s390.c (s390_expand_vec_movstr): New function.
11791         * config/s390/s390.md ("movstr<P:mode>"): Call
11792         s390_expand_vec_movstr.
11793
11794 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11795
11796         * config/s390/s390.md: Add missing output modifier for operand 1
11797         to print it as address properly.
11798
11799 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11800
11801         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11802         * config/s390/2964.md: New file.
11803         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11804         of insn grouping attributes depending on the CPU level.
11805         (s390_get_unit_mask): New function.
11806         (s390_sched_score): Remove the OOO from the scheduling macros.
11807         Add loop to calculate a score for the instruction mix.
11808         (s390_sched_reorder): Likewise plus improve debug output.
11809         (s390_sched_variable_issue): Rename macros as above.  Calculate
11810         the unit distances after actually scheduling an insn.  Improve
11811         debug output.
11812         (s390_sched_init): Clear last_scheduled_unit_distance array.
11813         * config/s390/s390.md: Include 2964.md.
11814
11815 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11816
11817         PR target/69671
11818         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11819         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11820         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11821         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11822         *avx512f_<code>v8div16qi2_mask_1): New insns.
11823
11824 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11825
11826         PR target/68404
11827         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11828         2016-02-09 change.
11829
11830         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11831         earlyclobber from target.  Use wF constraint for fused memory
11832         address.
11833         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11834
11835 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11836             Martin Liska  <mliska@suse.cz>
11837
11838         PR sanitizer/69863
11839         * cfgexpand.c (asan_sanitize_stack_p): New function.
11840         (partition_stack_vars): Use the function.
11841         (expand_stack_vars): Likewise.
11842         (defer_stack_allocation): Likewise.
11843         (expand_used_vars): Likewise.
11844
11845 2016-02-18  Richard Biener  <rguenther@suse.de>
11846
11847         PR middle-end/69553
11848         * fold-const.c (operand_equal_p): Properly compare offsets for
11849         IMAGPART_EXPR and ARRAY_REF.
11850
11851 2016-02-18  Nick Clifton  <nickc@redhat.com>
11852
11853         PR target/62254
11854         PR target/69610
11855         * config/arm/arm.c (arm_option_override_internal): Disable
11856         interworking if the target does not support thumb instructions.
11857         (arm_reload_in_hi): Handle the case where a register to register
11858         move needs reloading because there is no simple pattern to handle
11859         it.
11860         (arm_reload_out_hi): Likewise.
11861
11862 2016-02-18  Richard Biener  <rguenther@suse.de>
11863
11864         PR middle-end/69854
11865         * match.pd: Don't use fold_binary or fold_unary for folding
11866         constants.
11867
11868 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
11869
11870         PR c++/69850
11871         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11872         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11873         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11874         warn on gimple_no_warning_p statements.
11875
11876 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
11877
11878         * doc/extend.texi (C++ Attributes): Correct description of
11879         warn_unused type attribute.
11880
11881 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11882
11883         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11884         correct instruction.
11885
11886 2016-02-17  Richard Biener  <rguenther@suse.de>
11887
11888         PR rtl-optimization/69609
11889         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11890         (find_traces_1_round): When ending a trace update cached priority
11891         of successors.
11892         (bb_to_key): Use cached priority when available.
11893         (copy_bb): Initialize cached priority.
11894         (reorder_basic_blocks_software_trace_cache): Likewise.
11895
11896 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11897
11898         PR target/69161
11899         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11900         New predicate.
11901         (aarch64_comparison_operator): Break overly long line into two.
11902         (aarch64_comparison_operation): Likewise.
11903         * config/aarch64/aarch64.md (cstorecc4): Use
11904         aarch64_comparison_operator_mode instead of
11905         aarch64_comparison_operator.
11906         (cstore<mode>4): Likewise.
11907         (aarch64_cstore<mode>): Likewise.
11908         (*cstoresi_insn_uxtw): Likewise.
11909         (cstore<mode>_neg): Likewise.
11910         (*cstoresi_neg_uxtw): Likewise.
11911
11912 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11913
11914         PR target/69161
11915         * config/arm/predicates.md (arm_comparison_operator_mode):
11916         New predicate.
11917         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11918         instead of arm_comparison_operator.
11919         (*mov_negscc): Likewise.
11920         (*mov_notscc): Likewise.
11921         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11922         (*thumb2_mov_negscc): Likewise.
11923         (*thumb2_mov_negscc_strict_it): Likewise.
11924         (*thumb2_mov_notscc): Likewise.
11925         (*thumb2_mov_notscc_strict_it): Likewise.
11926
11927 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
11928
11929         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11930         Add missing return.
11931
11932 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
11933
11934         * config/visium/visium.c (machine_libfunc_index): New enum.
11935         (machine_libfuncs): New structure.
11936         (visium_libfuncs): New static variable.
11937         (TARGET_INIT_LIBFUNCS): Define to...
11938         (visium_init_libfuncs): ...this.  New function.
11939         (expand_block_move_4): Use the appropriate libfunc.
11940         (expand_block_move_2): Likewise.
11941         (expand_block_move_1): Likewise.
11942         (expand_block_set_4): Likewise.
11943         (expand_block_set_2): Likewise.
11944         (expand_block_set_1): Likewise.
11945         (visium_trampoline_init): Likewise.
11946
11947 2016-02-17  Nick Clifton  <nickc@redhat.com>
11948
11949         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11950         TI's devices.csv file as of March 2016.
11951
11952 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11953
11954         PR Target/48344
11955         * opts-global.c (handle_common_deferred_options): Introduce and
11956         initialize two global variables to remember command-line options
11957         specifying a stack-limiting register.
11958         * opts.h: Add extern declarations of the two new global variables.
11959         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11960         variable based on the values of the two new global variables.
11961
11962 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11963
11964         PR c/69835
11965         * common.opt (Wnonnull-compare): New warning.
11966         * doc/invoke.texi (-Wnonnull): Remove text about comparison
11967         of arguments against NULL.
11968         (-Wnonnull-compare): Document.
11969         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11970         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11971         * passes.def (pass_warn_nonnull_compare): Add.
11972         * gimple-ssa-nonnull-compare.c: New file.
11973
11974 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11975
11976         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11977         AARCH64_EXTRA_TUNE_RECIP_SQRT.
11978
11979 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11980
11981         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11982         reciprocal sqrt for -mlow-precision-recip-sqrt.
11983
11984 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11985             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11986
11987         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
11988         always use lane loads to construct non-constant vectors.
11989
11990 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11991
11992         * config/aarch64/aarch64.md
11993         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
11994         constraints for operand 3.
11995         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
11996
11997 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11998             Richard Biener  <rguenther@suse.de>
11999
12000         PR tree-optimization/69820
12001         * tree-vect-patterns.c (type_conversion_p): Return false if
12002         *orig_type is unsigned single precision or boolean.
12003         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
12004         Formatting fix.
12005
12006 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12007
12008         PR rtl-optimization/69764
12009         PR rtl-optimization/69771
12010         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
12011         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
12012
12013 2016-02-16  Richard Biener  <rguenther@suse.de>
12014
12015         PR tree-optimization/69776
12016         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
12017         sets from caller.
12018         (indirect_refs_may_alias_p): Likewise.
12019         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
12020         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
12021         according to tbaa_p.
12022         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
12023         (optimize_stmt): For redundant store discovery do not allow tbaa.
12024
12025 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
12026
12027         PR tree-optimization/69714
12028         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
12029         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
12030
12031 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
12032
12033         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
12034         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
12035         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
12036         * config/arc/arc.c (arc_init): Check FPU options.
12037         (get_arc_condition_code): Handle new CC_FPU* modes.
12038         (arc_select_cc_mode): Likewise.
12039         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
12040         register pair only. Allow access for ARCv2 accumulator.
12041         (gen_compare_reg): Whenever we have FPU support use FPU compare
12042         instructions.
12043         (arc_reorg): Don't generate brcc insns when FPU compare
12044         instructions are involved.
12045         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
12046         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
12047         floating point emulation.
12048         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
12049         (REVERSE_CONDITION): Add new CC_FPU* modes.
12050         (TARGET_FP_SP_BASE): Define.
12051         (TARGET_FP_DP_BASE): Likewise.
12052         (TARGET_FP_SP_FUSED): Likewise.
12053         (TARGET_FP_DP_FUSED): Likewise.
12054         (TARGET_FP_SP_CONV): Likewise.
12055         (TARGET_FP_DP_CONV): Likewise.
12056         (TARGET_FP_SP_SQRT): Likewise.
12057         (TARGET_FP_DP_SQRT): Likewise.
12058         (TARGET_FP_DP_AX): Likewise.
12059         * config/arc/arc.md (ARCV2_ACC): New constant.
12060         (type): New fpu type attribute.
12061         (SDF): Conditional iterator.
12062         (cstore<mode>, cbranch<mode>): Change expand condition.
12063         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
12064         handles FPU/FPX cases as well.
12065         * config/arc/arc.opt (mfpu): New option.
12066         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
12067         Renamed.
12068         (adddf3, muldf3, subdf3): Removed.
12069         * config/arc/predicates.md (proper_comparison_operator): Recognize
12070         CC_FPU* modes.
12071         * config/arc/fpu.md: New file.
12072         * doc/invoke.texi (ARC Options): Document mfpu option.
12073
12074 2016-02-16  Richard Biener  <rguenther@suse.de>
12075
12076         PR rtl-optimization/69291
12077         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
12078         noce_operand_ok check.
12079
12080 2016-02-16  Tom de Vries  <tom@codesourcery.com>
12081
12082         PR lto/67709
12083         * omp-low.c (simd_clone_create): Remove call to
12084         symtab->call_cgraph_insertion_hooks.
12085
12086 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
12087
12088         PR tree-optimization/69802
12089         * tree-ssa-reassoc.c (update_range_test): If op is
12090         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
12091         op == 1 test of precision 1 integral op, otherwise handle
12092         that case as op itself.  Fix up formatting.
12093         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
12094         up formatting.
12095
12096 2016-02-16  Richard Biener  <rguenther@suse.de>
12097
12098         PR tree-optimization/69586
12099         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
12100         types for conversion sources.
12101
12102 2016-02-16  Richard Biener  <rguenther@suse.de>
12103
12104         PR middle-end/69801
12105         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
12106         mask OEP_ADDRESS_OF.
12107
12108 2016-02-16  Alan Modra  <amodra@gmail.com>
12109
12110         PR target/68973
12111         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
12112         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
12113         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
12114         (p8_mtvsrwz): New.
12115         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
12116         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
12117         (p8_fmrgow_<mode>): Likewise.
12118         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
12119         changes.
12120         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
12121         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
12122         to use movdi_internal64.  Remove op0_di.
12123         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
12124
12125 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
12126
12127         Add support for the FCCMP insn types
12128
12129         * config/aarch64/aarch64.md (fccmp): Change insn type.
12130         (fccmpe): Likewise.
12131         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
12132         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
12133         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
12134         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
12135         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
12136         * config/arm/types.md (fccmps): Add new insn type.
12137         (fccmpd): Likewise.
12138
12139 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12140
12141         * alias.c (get_alias_set): Fix a typo in comment.
12142
12143 2016-02-15  Richard Biener  <rguenther@suse.de>
12144
12145         PR tree-optimization/69595
12146         * match.pd: Complete range test simplification to true.
12147
12148 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
12149
12150         PR rtl-optimization/69648
12151         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
12152         pic_offset_table_rtx.
12153
12154         PR rtl-optimization/69752
12155         * ira.c (update_equiv_regs): When looking for more than a single SET,
12156         also take other side effects into account.
12157
12158 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12159
12160         * config/s390/s390.c (s390_function_profiler): Add a new sequence
12161         for z900+ CPUs in 31-bit mode.
12162
12163 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12164
12165         * common/config/s390/s390-common.c (s390_supports_split_stack):
12166         New function.
12167         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
12168         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
12169         * config/s390/s390.c (struct machine_function): New field
12170         split_stack_varargs_pointer.
12171         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
12172         in s390_emit_prologue.
12173         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
12174         vararg pointer.
12175         (morestack_ref): New global.
12176         (SPLIT_STACK_AVAILABLE): New macro.
12177         (s390_expand_split_stack_prologue): New function.
12178         (s390_live_on_entry): New function.
12179         (s390_va_start): Use split-stack vararg pointer if appropriate.
12180         (s390_asm_file_end): Emit the split-stack note sections.
12181         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
12182         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
12183         (UNSPECV_SPLIT_STACK_CALL): New unspec.
12184         (UNSPECV_SPLIT_STACK_DATA): New unspec.
12185         (split_stack_prologue): New expand.
12186         (split_stack_space_check): New expand.
12187         (split_stack_data): New insn.
12188         (split_stack_call): New expand.
12189         (split_stack_call_*): New insn.
12190         (split_stack_cond_call): New expand.
12191         (split_stack_cond_call_*): New insn.
12192
12193 2016-02-15  Richard Biener  <rguenther@suse.de>
12194
12195         PR tree-optimization/69783
12196         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12197         Add trivially correct cases.
12198
12199 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12200
12201         PR lto/69655
12202         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12203         do_force_output.
12204         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12205
12206 2016-02-15  Richard Biener  <rguenther@suse.de>
12207
12208         PR tree-optimization/69776
12209         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12210         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12211         indicate whether we can use TBAA to disambiguate against stores.
12212         Use alias-set zero if not.
12213         (visit_reference_op_store): Do not use TBAA when looking up
12214         redundant stores.
12215         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12216         (eliminate_dom_walker::before_dom_children): But not when looking
12217         up redundant stores.
12218
12219 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12220
12221         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12222
12223 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12224
12225         *  config/i386/znver1.md
12226         (znver1_pop, znver1_pop_mem,
12227         znver1_load_imov_double_store,
12228         znver1_load_imov_direct_store,
12229         znver1_load_imov_direct_load,
12230         znver1_load_imov_double_load): Add new.
12231         (znver1_insn, znver1_insn_load): Add icmov type.
12232         (znver1_sseavx_fma,
12233         znver1_sseavx_fma_load,
12234         znver1_avx256_fma,
12235         znver1_avx256_fma_load): Fix pipe usage.
12236
12237 2016-02-14  Alan Modra  <amodra@gmail.com>
12238
12239         PR target/68973
12240         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12241         with an invalid hard reg, reload just the reg not the entire
12242         pre/post-inc/dec address expression.
12243
12244 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12245
12246         PR target/67260
12247         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12248         fixed R1_REG scratch reg.
12249         (sibcall_value_pcrel_fdpic): Likewise.
12250
12251 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12252
12253         PR target/67636
12254         PR target/64345
12255         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12256
12257 2016-02-12  Walter Lee  <walt@tilera.com>
12258
12259         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12260         * config/tilegx/t-tilegx: Likewise.
12261
12262 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12263
12264         PR other/69554
12265         * diagnostic-show-locus.c (struct line_span): New struct.
12266         (layout::get_first_line): Delete.
12267         (layout::get_last_line): Delete.
12268         (layout::get_num_line_spans): New member function.
12269         (layout::get_line_span): Likewise.
12270         (layout::print_heading_for_line_span_index_p): Likewise.
12271         (layout::get_expanded_location): Likewise.
12272         (layout::calculate_line_spans): Likewise.
12273         (layout::m_first_line): Delete.
12274         (layout::m_last_line): Delete.
12275         (layout::m_line_spans): New field.
12276         (layout::layout): Update comment.  Replace m_first_line and
12277         m_last_line with m_line_spans, replacing their initialization
12278         with a call to calculate_line_spans.
12279         (diagnostic_show_locus): When printing source lines and
12280         annotations, rather than looping over a single span
12281         of lines, instead loop over each line_span within
12282         the layout, with an inner loop over the lines within them.
12283         Call the context's start_span callback when changing line spans.
12284         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12285         (diagnostic_build_prefix): Break out the building of the location
12286         part of the string into...
12287         (diagnostic_get_location_text): ...this new function, rewriting
12288         it from nested ternary expressions to a sequence of "if"
12289         statements.
12290         (default_diagnostic_start_span_fn): New function.
12291         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12292         (diagnostic_context::start_span): New field.
12293         (default_diagnostic_start_span_fn): New prototype.
12294
12295 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12296
12297         PR driver/69779
12298         * gcc.c (driver::finalize): Fix cleanup of "specs".
12299
12300 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12301
12302         PR driver/69265
12303         PR driver/69453
12304         * gcc.c (driver::driver): Initialize m_option_suggestions.
12305         (driver::~driver): Clean up m_option_suggestions.
12306         (suggest_option): Convert to...
12307         (driver::suggest_option): ...this, and split out into
12308         driver::build_option_suggestions and find_closest_string.
12309         (driver::build_option_suggestions): New function, from
12310         first half of suggest_option.  Special-case
12311         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12312         the sanitizer_opts array.  For options of enum types, add the
12313         various enum values to the candidate strings.
12314         (driver::handle_unrecognized_options): Remove "const".
12315         * gcc.h (driver::handle_unrecognized_options): Likewise.
12316         (driver::build_option_suggestions): New decl.
12317         (driver::suggest_option): New decl.
12318         (driver::m_option_suggestions): New field.
12319         * opts-common.c (add_misspelling_candidates): New function.
12320         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12321         and make non-static.
12322         * opts.h (sanitizer_opts): New array decl.
12323         (add_misspelling_candidates): New function decl.
12324         * spellcheck.c (find_closest_string): New function.
12325         * spellcheck.h (find_closest_string): New function decl.
12326
12327 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12328
12329         PR rtl-optimization/69764
12330         PR rtl-optimization/69771
12331         * optabs.c (expand_binop_directly): For shift_optab_p, force
12332         convert_modes with VOIDmode if xop1 has VOIDmode.
12333
12334 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12335
12336         PR target/69729
12337         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12338         to correctly determine instrumentation thunks.
12339
12340 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12341
12342         PR ipa/69241
12343         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12344         type by reference, force lhs on the call.
12345
12346         PR ipa/68672
12347         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12348         Compute retval and retbnd early in all cases if split_part_return_p
12349         and return_bb is not EXIT.  Remove all clobber stmts and reset
12350         all debug stmts that refer to SSA_NAMEs defined in split part,
12351         except if it is retval, in that case replace the old retval with the
12352         lhs of the call to the split part.
12353
12354 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12355
12356         revert:
12357         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12358
12359         PR middle-end/66726
12360         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12361         whose result is used in PHI.
12362         (maybe_optimize_range_tests): Likewise.
12363         (final_range_test_p): Likweise.
12364
12365 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12366
12367         PR middle-end/66726
12368         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12369         whose result is used in PHI.
12370         (maybe_optimize_range_tests): Likewise.
12371         (final_range_test_p): Likweise.
12372
12373 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12374
12375         * cgraph.c: Spelling fixes - behaviour -> behavior and
12376         neighbour -> neighbor.
12377         * target.def: Likewise.
12378         * sel-sched.c: Likewise.
12379         * config/mips/mips.c: Likewise.
12380         * config/arc/arc.md: Likewise.
12381         * config/arm/cortex-a57.md: Likewise.
12382         * config/arm/arm.c: Likewise.
12383         * config/arm/neon.md: Likewise.
12384         * config/arm/arm-c.c: Likewise.
12385         * config/vms/vms-c.c: Likewise.
12386         * config/s390/s390.c: Likewise.
12387         * config/i386/znver1.md: Likewise.
12388         * config/i386/i386.c: Likewise.
12389         * config/ia64/hpux-unix2003.h: Likewise.
12390         * config/msp430/msp430.md: Likewise.
12391         * config/rx/rx.c: Likewise.
12392         * config/rx/rx.md: Likewise.
12393         * config/aarch64/aarch64-simd.md: Likewise.
12394         * config/aarch64/aarch64.c: Likewise.
12395         * config/nvptx/nvptx.c: Likewise.
12396         * config/bfin/bfin.c: Likewise.
12397         * config/cris/cris.opt: Likewise.
12398         * config/rs6000/rs6000.c: Likewise.
12399         * target.h: Likewise.
12400         * spellcheck.c: Likewise.
12401         * ira-build.c: Likewise.
12402         * tree-inline.c: Likewise.
12403         * builtins.c: Likewise.
12404         * lra-constraints.c: Likewise.
12405         * explow.c: Likewise.
12406         * hwint.h: Likewise.
12407         * targhooks.c: Likewise.
12408         * tree-vect-data-refs.c: Likewise.
12409         * expr.c: Likewise.
12410         * doc/tm.texi: Likewise.
12411         * doc/extend.texi: Likewise.
12412         * doc/install.texi: Likewise.
12413         * doc/md.texi: Likewise.
12414         * tree-ssa-tail-merge.c: Likewise.
12415         * sched-int.h: Likewise.
12416         * match.pd: Likewise.
12417         * sched-ebb.c: Likewise.
12418         * target.def (omit_struct_return_reg): Likewise.
12419         * gimple-ssa-isolate-paths.c: Likewise.
12420         (find_implicit_erroneous_behaviour): Renamed to...
12421         (find_implicit_erroneous_behavior): ... this.
12422         (find_explicit_erroneous_behaviour): Renamed to...
12423         (find_explicit_erroneous_behavior): ... this.
12424         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12425
12426 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12427
12428         PR rtl-optimization/64682
12429         PR rtl-optimization/69567
12430         PR rtl-optimization/69737
12431         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12432         in I2 as well, just lose it.
12433
12434 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12435
12436         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12437         New variable.
12438         (aarch64_last_printed_tune_string): Likewise.
12439         (aarch64_declare_function_name): Only output .arch assembler
12440         directive if it will be different from the previously output
12441         directive.  Same for .tune comment but only if -dA is set.
12442         (aarch64_start_file): New function.
12443         (TARGET_ASM_FILE_START): Define.
12444
12445 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12446
12447         PR plugins/69758
12448         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12449
12450 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12451
12452         PR target/65313
12453         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12454         -Wmaybe-uninitialized warning.
12455
12456 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12457
12458         PR target/69713
12459         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12460
12461 2016-02-11  Richard Biener  <rguenther@suse.de>
12462
12463         PR rtl-optimization/69291
12464         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12465         subexpressions affected by changing the result.
12466
12467 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12468
12469         PR target/69148
12470         * lra-constraints.c (curr_insn_transform): Find in/out operands
12471         for secondary memory moves.  Update dups.
12472
12473 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12474
12475         PR tree-optimization/69652
12476         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12477         to nested loop, did source re-formatting, skip debug statements,
12478         add check on statement with volatile operand, remove dead scalar
12479         statements.
12480
12481 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12482             Patrick Palka  <ppalka@gcc.gnu.org>
12483
12484         PR ipa/69241
12485         PR c++/69649
12486         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12487         calls if the return type is TREE_ADDRESSABLE.
12488         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12489         * ipa-split.c (split_function): Fix doubled "we" in comment.
12490         Use void return type for the split part even if
12491         !split_point->split_part_set_retval.
12492
12493 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12494
12495         PR tree-optimization/68021
12496         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12497         when computing the value of biv cand by itself.
12498
12499 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12500
12501         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12502         (cortexa57_tunings): Likewise.
12503         (cortexa72_tunings): Likewise.
12504         (arch_macro_fusion_pair_p): Add support for AES fusion.
12505         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12506         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12507         Allow virtual registers before reload so early scheduling works.
12508         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12509         correct latency and pipeline.
12510         (cortex_a57_crypto_complex): Likewise.
12511         (cortex_a57_crypto_xor): Likewise.
12512         (define_bypass): Add AES bypass.
12513
12514 2016-02-10  Richard Biener  <rguenther@suse.de>
12515
12516         PR tree-optimization/69726
12517         * passes.def: Add DCE pass before late uninit.
12518         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12519         really fixup if-conversions job.
12520
12521 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12522
12523         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12524         (arm_cortex_a57_tune): Likewise.
12525         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12526         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12527
12528 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12529
12530         * timevar.def (TV_PHASE_DBGINFO): Delete.
12531         (TV_PHASE_CHECK_DBGINFO): Likewise.
12532         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12533
12534 2016-02-10  Richard Biener  <rguenther@suse.de>
12535
12536         PR tree-optimization/69719
12537         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12538         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12539
12540 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12541
12542         PR tree-opt/69282
12543         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12544         get_vcond_mask_icode returns false.
12545
12546 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12547
12548         PR target/68404
12549         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12550         an ADDIS that adds a pointer to a large constant that sets the
12551         upper16 bits with a load operation.
12552
12553 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12554
12555         PR target/68532
12556         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12557         order.
12558         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12559         endian.
12560         (vzipq_s16): Likewise.
12561         (vzipq_s32): Likewise.
12562         (vzipq_f32): Likewise.
12563         (vzipq_u8): Likewise.
12564         (vzipq_u16): Likewise.
12565         (vzipq_u32): Likewise.
12566         (vzipq_p8): Likewise.
12567         (vzipq_p16): Likewise.
12568
12569 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12570
12571         PR target/68532
12572         * config/arm/arm.c (neon_endian_lane_map): New function.
12573         (neon_vector_pair_endian_lane_map): New function.
12574         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12575         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12576         endian.
12577         (vuzpq_s16): Likewise.
12578         (vuzpq_s32): Likewise.
12579         (vuzpq_f32): Likewise.
12580         (vuzpq_u8): Likewise.
12581         (vuzpq_u16): Likewise.
12582         (vuzpq_u32): Likewise.
12583         (vuzpq_p8): Likewise.
12584         (vuzpq_p16): Likewise.
12585
12586 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12587
12588         PR target/69634
12589         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12590         debug insns.
12591
12592 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12593
12594         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12595         truncate const_int operand 1 to QImode.
12596
12597 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12598
12599         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12600         corresponding to an abnormal edge.
12601
12602 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12603
12604         PR tree-optimization/69599
12605         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12606         function.
12607         (find_func_aliases_for_builtin_call, find_func_clobbers)
12608         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12609         partition.
12610
12611 2016-02-09  Richard Biener  <rguenther@suse.de>
12612
12613         PR tree-optimization/69715
12614         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12615         LHS on calls as non-rewritable.
12616
12617 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12618
12619         PR lto/69707
12620         * lto-wrapper.c (append_diag_options): New function.
12621         (compile_offload_image): Call append_diag_options.
12622
12623 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12624
12625         PR other/69722
12626         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12627         Minor copy-edit to fix verb tenses.
12628
12629 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12630
12631         PR tree-optimization/69209
12632         * ipa-split.c (split_function): If split part is not
12633         returning retval, retval has gimple type but is not
12634         gimple value, force it into a SSA_NAME first.
12635
12636 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
12637
12638         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12639         outdated section.
12640
12641 2016-02-08  Jason Merrill  <jason@redhat.com>
12642
12643         PR c++/69631
12644         * convert.c (convert_to_integer_1): Check dofold on truncation
12645         distribution.
12646         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12647         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12648         Rename from *_nofold.
12649         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12650         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12651
12652 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
12653
12654         PR target/60410
12655         * tree.c (build_common_tree_nodes): Remove short_double argument.
12656         All callers changed.
12657         * tree.h (build_common_tree_nodes): Adjust declaration.
12658         * doc/invoke.texi (-fshort-double): Remove documentation.
12659         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12660         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12661         * lto-wrapper.c (merge_and_complain, append_compiler_options)
12662         (append_linker_options): Don't handle OPT_fshort_double.
12663
12664         PR rtl-optimization/68730
12665         * lra-remat.c (insn_to_cand_activation): New static variable.
12666         (lra_remat): Allocate and free it.
12667         (create_cand): New arg activation. Initialize a field in
12668         insn_to_cand_activation if it is nonnull.
12669         (create_cands): Pass the activation insn to create_cand when making
12670         a candidate involving an output reload.  Reorganize code a little.
12671         (do_remat): Keep track of active status of candidates in a separate
12672         bitmap.
12673
12674 2016-02-08  Richard Biener  <rguenther@suse.de>
12675
12676         PR tree-optimization/69719
12677         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12678         Properly use absolute of the difference of the two offsets to
12679         compare or adjust the segment length.
12680
12681 2016-02-08  Richard Biener  <rguenther@suse.de>
12682             Jeff Law  <law@redhat.com>
12683
12684         PR target/68273
12685         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12686         types for anonymous SSA names.
12687
12688 2016-02-08   Richard Biener  <rguenther@suse.de>
12689
12690         PR rtl-optimization/69274
12691         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12692
12693 2016-02-08  Jeff Law  <law@redhat.com>
12694
12695         PR tree-optimization/65917
12696         * tree-ssa-dom.c (record_temporary_equivalences): Record both
12697         equivalences from if (x == y) style conditionals.
12698         (loop_depth_of_name): Remove.
12699         (record_equality): Remove loop depth check.
12700         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12701         (const_and_copies::record_const_or_copy_raw): New member function.
12702         * tree-ssa-scopedtables.c
12703         (const_and_copies::record_const_or_copy_raw): New, factored out of
12704         (const_and_copies::record_const_or_copy): Call new member function.
12705
12706 2016-02-05  Jeff Law  <law@redhat.com>
12707
12708         PR tree-optimization/68541
12709         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12710         (count_stmts_in_block): New function.
12711         (poor_ifcvt_candidate_code): Likewise.
12712         (is_feasible_trace): Add some heuristics to determine when path
12713         splitting is profitable.
12714         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12715         is a diamond with a single exit.
12716
12717 2016-02-05  Martin Sebor  <msebor@redhat.com>
12718
12719         PR c++/69662
12720         * doc/invoke.texi: Update -Wplacement-new to take an optional
12721         argument.
12722
12723 2016-02-06  Richard Henderson  <rth@redhat.com>
12724
12725         PR c/69643
12726         * tree.c (tree_nop_conversion_p): Do not strip casts into or
12727         out of non-standard address spaces.
12728
12729 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12730
12731         PR rtl-optimization/69691
12732         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12733
12734 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
12735
12736         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12737         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12738         (*ieee128_mfvsrd_64bit): Likewise.
12739         (*ieee128_mfvsrd_32bit): Likewise.
12740
12741 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
12742
12743         PR target/69369
12744         Revert r232560:
12745         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12746
12747         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12748         instrumented_version.
12749
12750 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12751
12752         * doc/invoke.texi (Optimize Options): In table of --param options
12753         rename second occurrence of tracer-min-branch-ratio to
12754         tracer-min-branch-probability, rename
12755         tracer-min-branch-ratio-feedback to
12756         tracer-min-branch-probability-feedback and clarify description,
12757         rename sched-spec-state-edge-prob-cutoff to
12758         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12759         to selsched-insns-to-rename, rename lto-minpartition to
12760         lto-min-partition, delete reorder-blocks-duplicate and
12761         reorder-blocks-duplicate-feedback.
12762
12763 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12764
12765         * config/s390/s390.c (s390_register_info_set_ranges): Remove
12766         superfluous loops.
12767
12768 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12769
12770         * doc/extend.texi: S/390: Correct some typos.
12771
12772 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12773
12774         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12775
12776 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12777
12778         PR target/69625
12779         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12780         (s390_register_info_gprtofpr): Use new macros above.
12781         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12782         its name.
12783         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12784         its name.  Adjust restore and save gpr ranges.
12785         (s390_register_info_set_ranges): New function.
12786         (s390_register_info): Use new macros above.  Call
12787         s390_register_info_set_ranges.
12788         (s390_optimize_register_info): Likewise.
12789         (s390_hard_regno_rename_ok): Use new macros.
12790         (s390_hard_regno_scratch_ok): Likewise.
12791         (s390_emit_epilogue): Likewise.
12792         (s390_can_use_return_insn): Likewise.
12793         (s390_optimize_prologue): Likewise.
12794         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12795
12796 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12797
12798         PR bootstrap/69677
12799         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12800         alignment fixes.
12801         (ix86_option_override_internal): Disable TARGET_STV even for
12802         -m{incoming,preferred}-stack-boundary=3.
12803
12804 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12805
12806         * config.gcc: Mark deprecated rtems targets as obsolete.
12807
12808 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
12809
12810         PR rtl-optimization/64682
12811         PR rtl-optimization/69567
12812         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12813         before I2 only if the register is both used and set in I2.
12814
12815 2016-02-04  DJ Delorie  <dj@redhat.com>
12816
12817         * config/msp430/msp430.c (msp430_start_function): Add function type.
12818
12819 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12820
12821         PR fortran/69368
12822         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12823
12824 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
12825
12826         PR rtl-optimization/69577
12827         Revert:
12828         2015-10-29  Richard Henderson  <rth@redhat.com>
12829
12830         PR target/68124
12831         PR rtl-opt/67609
12832         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12833         sse check to the exact conditions of PR 67609.
12834
12835 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12836
12837         PR target/69667
12838         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12839         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12840         not allowed into the traditional Altivec registers.
12841         (movtd_64bit_nodm): Likewise.
12842         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12843
12844 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
12845
12846         * config/aarch64/cortex-a57-fma-steering.c
12847         (aarch64_register_fma_steering): Remove "static" from arguments
12848         to register_pass.
12849
12850 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
12851
12852         PR target/69619
12853         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12854         twice when complex.
12855
12856 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
12857
12858         * doc/invoke.texi: Delete -mno-fma4.
12859
12860 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
12861
12862         PR rtl-optimization/69577
12863         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12864         (find_subregs_of_mode): Update accordingly.  Iterate over partial
12865         definitions.
12866
12867 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
12868
12869         * config/arm/arm-protos.h (neon_reinterpret): Remove.
12870         * config/arm/arm.c (neon_reinterpret): Remove.
12871         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12872         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12873         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12874         vreinterpretti): Remove.
12875         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12876         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12877         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12878         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12879         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12880         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12881         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12882         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12883         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12884         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12885         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12886         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12887         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12888         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12889         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12890         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12891         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12892         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12893         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12894         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12895         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12896         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12897         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12898         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12899         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12900         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12901         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12902         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12903         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12904         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12905         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12906         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12907         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12908         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12909         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12910         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12911         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12912         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12913         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12914         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12915         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12916         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12917         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12918         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12919         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12920         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12921         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12922         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12923         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12924         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12925         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12926         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12927         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12928         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12929         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12930         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12931         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12932         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12933         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12934         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12935         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12936         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12937         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12938         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12939         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12940         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12941         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12942         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12943         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12944         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12945         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12946         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12947         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12948         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12949         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12950         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12951         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12952         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12953         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12954         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12955         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12956         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12957         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12958         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12959         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12960         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12961         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12962         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12963         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12964         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12965         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12966         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12967         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12968         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12969         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12970         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12971         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12972         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12973         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12974         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12975         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12976         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12977         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12978
12979 2016-02-04  Martin Liska  <mliska@suse.cz>
12980
12981         PR sanitizer/69276
12982         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12983         that are gimple_store_p.
12984         (maybe_instrument_call): Likewise.
12985
12986 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
12987
12988         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
12989         register scaling out of memory reference and comment why.
12990
12991 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12992
12993         PR target/65932
12994         PR target/67714
12995         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
12996         folding the source of a SET.
12997
12998 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12999
13000         PR target/65932
13001         PR target/67714
13002         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
13003         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
13004
13005 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
13006
13007         PR target/65932
13008         PR target/67714
13009         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
13010         HImode.
13011
13012 2016-02-04  Christian Bruel  <christian.bruel@st.com>
13013
13014         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
13015         * config/arm/arm.c (arm_set_current_function): Likewise.
13016
13017 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
13018             Ilya Enkovich  <enkovich.gnu@gmail.com>
13019             H.J. Lu  <hongjiu.lu@intel.com>
13020
13021         PR target/69454
13022         * config/i386/i386.c (convert_scalars_to_vector): Remove
13023         stack alignment fixes.
13024         (ix86_option_override_internal): Disable TARGET_STV if stack
13025         might not be aligned enough.
13026         (ix86_minimum_alignment): Assert that TARGET_STV is false.
13027
13028 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
13029
13030         * config/i386/x86-tune.def: Disable default prefetching
13031         for -march=znver1.
13032
13033 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
13034             Vladimir Makarov  <vmakarov@redhat.com>
13035
13036         PR target/69461
13037         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
13038         in validating fused toc addresses.
13039
13040 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
13041
13042         PR c/69627
13043         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
13044         range->m_caret fields if range->m_show_caret_p is false.
13045
13046         PR target/69644
13047         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
13048         Force oldval into register if it does not satisfy reg_or_short_operand
13049         predicate.  Fix up formatting.
13050
13051 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
13052             Alexandre Oliva  <aoliva@redhat.com>
13053
13054         PR target/69461
13055         * lra-constraints.c (simplify_operand_subreg): Check additionally
13056         address validity after potential reloading.
13057         (process_address_1): Check insns validity.  In case of failure do
13058         nothing.
13059
13060 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
13061
13062         PR target/69118
13063         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
13064         Fix target.
13065
13066 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
13067
13068         * wide-int.cc (canonize_uhwi): New function.
13069         (wi::divmod_internal): Use it.
13070
13071 2016-02-02  James Norris  <jnorris@codesourcery.com
13072
13073         * gimplify.c (omp_notice_variable): Add usage check.
13074
13075 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
13076
13077         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
13078         like LE, GE, LT, GT when emitting relational operator.
13079
13080 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13081
13082         * ira-costs.c (find_costs_and_classes): Add extra argument.
13083         * target.def (ira_change_pseudo_allocno_class): Add parameter.
13084         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
13085         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
13086         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
13087         Add best_class parameter, and return it if not ALL_REGS.
13088         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
13089         Add parameter.
13090         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
13091         Update target hook.
13092
13093 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13094
13095         * config/aarch64/aarch64.c
13096         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
13097         (aarch64_ira_change_pseudo_allocno_class): New function.
13098
13099 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
13100
13101         PR target/67032
13102         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
13103
13104 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13105
13106         * config/avr/avr.c (avr_option_override): Set
13107         PARAM_ALLOW_STORE_DATA_RACES to 1.
13108
13109 2016-02-02  Richard Biener  <rguenther@suse.de>
13110
13111         PR tree-optimization/69595
13112         * match.pd: Add range test simplifications to true/false.
13113
13114 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
13115
13116         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
13117         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
13118         instead.
13119
13120 2016-02-02  Richard Biener  <rguenther@suse.de>
13121
13122         PR tree-optimization/69606
13123         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
13124         info on the result before moving a stmt.
13125
13126 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
13127
13128         PR middle-end/68542
13129         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
13130         branch with vector comparison.
13131         * config/i386/sse.md (VI48_AVX): New mode iterator.
13132         (define_expand "cbranch<mode>4): Add support for conditional branch
13133         with vector comparison.
13134         * tree-vect-loop.c (optimize_mask_stores): New function.
13135         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
13136         has_mask_store field of vect_info.
13137         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
13138         vectorized loops having masked stores after vec_info destroy.
13139         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
13140         correspondent macros.
13141         (optimize_mask_stores): Add prototype.
13142
13143 2016-02-02  Alan Modra  <amodra@gmail.com>
13144
13145         PR target/69548
13146         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
13147         allow subregs.
13148
13149 2016-02-02  Alan Modra  <amodra@gmail.com>
13150
13151         PR target/68662
13152         * config/rs6000/rs6000.c (need_toc_init): New var, set it
13153         whenever toc_label_name used.
13154         (rs6000_file_start): Don't set up toc section here,
13155         (rs6000_output_function_epilogue): do so here instead,
13156         (rs6000_xcoff_file_start): and here.
13157         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
13158         (load_toc_aix_di): Likewise.
13159
13160 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13161
13162         PR rtl-optimization/69592
13163         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
13164         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
13165         (num_sign_bit_copies_binary_arith_p): New inline function.
13166         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
13167
13168 2016-02-01  Jeff Law  <law@redhat.com>
13169
13170         PR tree-optimization/69580
13171         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
13172         * tree-ssa-threadbackward.c
13173         (fsm_find_control_statement_thread_paths): Do not try to walk
13174         through large PHI nodes.
13175
13176 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13177
13178         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
13179         when count is incremented above limit, don't analyze further
13180         insns afterwards.
13181
13182         * omp-low.c (oacc_parse_default_dims): Avoid
13183         -Wsign-compare warning, make sure value fits into int
13184         rather than just unsigned int.
13185
13186 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
13187
13188         PR tree-optimization/67921
13189         * fold-const.c (split_tree): New parameters.  Convert pointer
13190         type variable part to proper type before negating.
13191         (fold_binary_loc): Pass new arguments to split_tree.
13192
13193 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13194
13195         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13196         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13197         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13198         * doc/tm.texti: Rebuilt.
13199         * doc/invoke.texi (fopenacc-dim): Document.
13200         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13201         (append_compiler_options): Likewise.
13202         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13203         (oacc_parse_default_dims): New.
13204         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13205         possible.
13206         (oacc_loop_fixed_partitions): Return mask of used partitions.
13207         (oacc_loop_auto_partitions): Emit dump info.
13208         (oacc_loop_partition): Return mask of used partitions.
13209         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13210         loop partitioning and validation calls.
13211
13212 2016-02-01  Richard Biener  <rguenther@suse.de>
13213
13214         PR middle-end/69556
13215         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13216
13217 2016-02-01  Richard Biener  <rguenther@suse.de>
13218
13219         PR tree-optimization/69574
13220         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13221         of asserting return chrec_dont_know.
13222
13223 2016-02-01  Martin Liska  <mliska@suse.cz>
13224
13225         * mem-stats-traits.h: Add copyright header.
13226         * mem-stats.h: Likewise.
13227
13228 2016-02-01  Richard Biener  <rguenther@suse.de>
13229
13230         PR tree-optimization/69579
13231         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13232         Do not propagate through abnormal PHI results.
13233
13234 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13235
13236         * postreload.c (reload_cse_simplify): Remove dead code.
13237
13238 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13239
13240         PR rtl-optimization/69570
13241         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13242         if there is more than one set, not if there is a single set.
13243
13244 2016-02-01  Richard Henderson  <rth@redhat.com>
13245
13246         PR rtl-opt/69535
13247         * combine.c (make_compound_operation): When looking through a
13248         subreg, make sure to re-extend to the width of the outer mode.
13249
13250 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13251
13252         PR tree-optimization/69546
13253         * wide-int.cc (wi::divmod_internal): For unsigned division
13254         where both operands fit into uhwi, if o1 is 1 and o0 has
13255         msb set, if divident_prec is larger than bits per hwi,
13256         clear another quotient word and return 2 instead of 1.
13257         Similarly for remainder with msb in HWI set, if dividend_prec
13258         is larger than bits per hwi.
13259
13260 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13261
13262         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13263         Use short lowercase names.
13264         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13265         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13266         acq_rel one.  Protect warning agains segfaults if
13267         get_memory_order_name returns NULL.
13268         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13269         with release semantics.  Do not warn if get_memory_order already did.
13270         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13271         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13272         if get_memory_order already did.
13273
13274 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13275
13276         * doc/install.texi: Document that isl-0.16 is supported.
13277
13278 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13279
13280         PR target/69299
13281         * config/i386/constraints.md (Bm): Describe as special memory
13282         constraint.
13283         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13284         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13285         * genpreds.c (struct constraint_data): Add is_special_memory.
13286         (have_special_memory_constraints, special_memory_start): New
13287         static vars.
13288         (special_memory_end): Ditto.
13289         (add_constraint): Add new arg is_special_memory.  Add code to
13290         process its true value.  Update have_special_memory_constraints.
13291         (process_define_constraint): Pass the new arg.
13292         (process_define_register_constraint): Ditto.
13293         (choose_enum_order): Process special memory.
13294         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13295         function insn_extra_special_memory_constraint.
13296         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13297         * gensupport.c (process_rtx): Process
13298         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13299         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13300         * ira-lives.c (single_reg_class): Use
13301         insn_extra_special_memory_constraint.
13302         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13303         * lra-constraints.c (process_alt_operands): Ditto.
13304         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13305         * recog.c (asm_operand_ok, preprocess_constraints): Process
13306         CT_SPECIAL_MEMORY.
13307         * reload.c (find_reloads): Ditto.
13308         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13309         * stmt.c (parse_input_constraint): Use
13310         insn_extra_special_memory_constraint.
13311
13312 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13313
13314         PR target/69530
13315         * lra-splill.c (lra_final_code_change): Revert r229087 by
13316         removing all sub-registers.
13317
13318 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13319
13320         PR target/65604
13321         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13322
13323 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13324
13325         PR target/69551
13326         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13327         SSE1, copy target into the temporary reg first before recursing
13328         on it.
13329
13330 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13331
13332         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13333         with vm.
13334
13335 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13336
13337         * ginclude/stdarg.h: Test __cplusplus instead of
13338         __GXX_EXPERIMENTAL_CXX0X__.
13339
13340 2016-01-29  Richard Biener  <rguenther@suse.de>
13341
13342         PR tree-optimization/69547
13343         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13344         Do not mark clobbers necessary.
13345         (mark_all_reaching_defs_necessary_1): Likewise.
13346
13347 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13348
13349         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13350         declaration name with %qs and print it in both error messages.
13351         Also fix indentation.
13352
13353 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13354
13355         PR other/69006
13356         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13357         trailing blank line from error message.
13358
13359 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13360
13361         PR c++/69462
13362         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13363         for C++-11.
13364
13365 2016-01-29  Richard Biener  <rguenther@suse.de>
13366
13367         PR middle-end/69537
13368         * match.pd: Allow all integral types when simplifying a
13369         widening or sign-changing conversion.
13370
13371 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13372
13373         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13374         back to setting codegen_error to fail codegen.
13375
13376 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13377
13378         PR target/69459
13379         * config/i386/constraints.md (C): Only accept constant zero operand.
13380         (BC): New constraint.
13381         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13382         instead of C constraint.
13383         * doc/md.texi (Machine Constraints): Update description
13384         of C constraint.
13385
13386 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13387
13388         PR target/68400
13389         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13390
13391 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13392
13393         PR middle-end/69542
13394         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13395         non-debug insns.
13396
13397 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13398
13399         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13400         branches if using guessed profile.
13401
13402 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13403
13404         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13405
13406 2016-01-28  Richard Henderson  <rth@redhat.com>
13407
13408         PR target/69305
13409         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13410         * config/aarch64/aarch64-protos.h: Update.
13411         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13412         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13413         (aarch64_get_condition_code_1): Handle CC_Cmode.
13414         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13415         (*add<mode>3_compareC_cconly_imm): New.
13416         (*add<mode>3_compareC_cconly): New.
13417         (*add<mode>3_compareC_imm): New.
13418         (add<mode>3_compareC): New.
13419         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13420         to be first.  Use aarch64_carry_operation.
13421         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13422         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13423         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13424         (subti3): Use subdi3_compare1.
13425         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13426         (sub<mode>3_compare1): New.
13427         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13428         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13429         (*subsi3_carryin_uxtw): Likewise.
13430         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13431         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13432         * config/aarch64/iterators.md (DWI): New.
13433         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13434         (aarch64_borrow_operation): New.
13435
13436 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13437
13438         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13439         message when isl does not return a valid schedule.
13440
13441 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13442
13443         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13444         Remove comments from class declarations: they are already in the code
13445         close by the defs.
13446
13447 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13448
13449         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13450         codegen_error_p.
13451         (ternary_op_to_tree): Same.
13452         (unary_op_to_tree): Same.
13453         (nary_op_to_tree): Same.
13454         (gcc_expression_from_isl_expr_op): Same.
13455         (gcc_expression_from_isl_expression): Same.
13456         (graphite_create_new_loop): Same.
13457         (graphite_create_new_loop_guard): Same.
13458         (build_iv_mapping): Same.
13459         (graphite_create_new_guard): Same.
13460         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13461         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13462
13463 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13464
13465         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13466         instead of setting codegen_error to fail codegen.
13467
13468 2016-01-28  Jason Merrill  <jason@redhat.com>
13469
13470         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13471
13472 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13473
13474         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13475         Remove CONST_INT_P check in CCMP cost calculation.
13476
13477 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13478
13479         * config/aarch64/aarch64.c (generic_vector_cost):
13480         Set vec_permute_cost.
13481         (cortexa57_vector_cost): Likewise.
13482         (exynosm1_vector_cost): Likewise.
13483         (xgene1_vector_cost): Likewise.
13484         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13485         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13486         Add vec_permute_cost entry.
13487
13488 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13489
13490         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13491         immediate as %1.
13492         (add<mode>3_compare0): Likewise.
13493         (addsi3_compare0_uxtw): Likewise.
13494         (add<mode>3nr_compare0): Likewise.
13495         (compare_neg<mode>): Likewise.
13496         (<optab><mode>3): Likewise.
13497
13498 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13499
13500         * tree-vect-stmts.c (vectorizable_comparison): Add
13501         NULL check for vectype.
13502
13503 2016-01-28  Richard Biener  <rguenther@suse.de>
13504
13505         PR tree-optimization/69466
13506         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13507         Account for PHIs we couldn't duplicate.
13508
13509 2016-01-28  Martin Liska  <mliska@suse.cz>
13510
13511         PR pch/68758
13512         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13513         instead of ENABLE_VALGRIND_CHECKING.
13514
13515 2016-01-27  Richard Henderson  <rth@redhat.com>
13516
13517         PR rtl-opt/69447
13518         * lra-remat.c (subreg_regs): New.
13519         (dump_candidates_and_remat_bb_data): Dump it.
13520         (operand_to_remat): Reject if operand in subreg_regs.
13521         (set_bb_regs): Collect subreg_regs.
13522         (lra_remat): Init and free subreg_regs.  Compute
13523         calculate_local_reg_remat_bb_data before create_cands.
13524
13525 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13526
13527         PR target/68986
13528         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13529         change stack_alignment_needed for __tls_get_addr call.
13530
13531 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13532
13533         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13534
13535 2016-01-27  Jeff Law  <law@redhat.com>
13536
13537         PR tree-optimization/68398
13538         PR tree-optimization/69196
13539         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13540         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13541         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13542         Only count PHIs in the last block in the path.  The others will
13543         const/copy propagate away.  Add heuristic to allow more irreducible
13544         subloops to be created when it is likely profitable to do so.
13545
13546         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13547         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13548         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13549
13550 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13551
13552         PR lto/69254
13553         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13554         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13555         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13556         * tree-streamer-in.c: Include asan.h.
13557         (streamer_get_builtin_tree): For builtins in sanitizer
13558         range call initialize_sanitizer_builtins and retry.
13559
13560 2016-01-27  Ian Lance Taylor  <iant@google.com>
13561
13562         * common.opt (fkeep-gc-roots-live): New undocumented option.
13563         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13564         -fkeep-gc-roots-live, skip pointers.
13565         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13566         NULL.
13567
13568 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13569
13570         PR target/69512
13571         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13572         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13573
13574 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13575
13576         PR target/68380
13577         * configure.ac: NetBSD provides SSP in its C library.
13578         * configure: Updated.
13579
13580 2016-01-27  Richard Biener  <rguenther@suse.de>
13581
13582         PR tree-optimization/69166
13583         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13584         reduction code for commutativity / associativity.
13585
13586 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13587
13588         PR tree-optimization/69355
13589         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13590         total_scalarization fails.
13591
13592 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13593
13594         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13595         power9.
13596
13597 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13598
13599         PR target/69245
13600         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13601         Move arm_reset_previous_fndecl and set_target_option_current_node in
13602         the conditional part.  Call save_restore_target_globals.
13603         * config/arm/arm.c (arm_set_current_function):
13604         Refactor to better support #pragma target and attribute mix.
13605         Call save_restore_target_globals.
13606         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13607
13608 2016-01-27  Martin Liska  <mliska@suse.cz>
13609
13610         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13611         reference for an HSA kernel and its host function.
13612
13613 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13614
13615         PR tree-optimization/69399
13616         * wide-int.h (wi::lrshift): For larger precisions, only
13617         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13618
13619 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13620
13621         * config/arc/predicates.md (proper_comparison_operator): Reject
13622         constant-constant comparison.
13623
13624 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13625
13626         PR tree-optimization/69110
13627         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13628         DR_NUM_DIMENSIONS == 0.
13629
13630 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13631             Sebastian Pop  <s.pop@samsung.com>
13632
13633         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13634         isl_ast_op_cond and isl_ast_op_select.
13635         (gcc_expression_from_isl_expr_op): Same.
13636
13637 2016-01-26  Jason Merrill  <jason@redhat.com>
13638
13639         PR c++/68782
13640         * tree.c (recompute_constructor_flags): Split out from
13641         build_constructor.
13642         (verify_constructor_flags): New.
13643         * tree.h: Declare them.
13644
13645 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
13646
13647         PR rtl-optimization/69217
13648         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13649         are no TYPE_FIELDS set for the record type.
13650
13651 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13652
13653         PR target/68662
13654         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13655         toc_label_name unconditionally.
13656         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13657         SYMBOL_REF string.  Use toc_label_name instead of constructing
13658         LCTOC1.
13659         (rs6000_elf_declare_function_name): Use toc_label_name instead of
13660         constructing LCTOC1.
13661
13662 2016-01-26  Martin Sebor  <msebor@redhat.com>
13663
13664         PR other/69477
13665         * doc/extend.texi (Common Type Attributes): Move text that talks about
13666         attribute packed from attribute aligned to the section discussing
13667         the former attribute for clarity.
13668
13669 2016-01-26  Richard Henderson  <rth@redhat.com>
13670
13671         PR middle-end/60908
13672         * trans-mem.c (tm_region_init): Mark entry block as visited.
13673
13674 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
13675
13676         PR other/69006
13677         * diagnostic-show-locus.c (layout::print_source_line): Replace
13678         call to pp_newline with call to layout::print_newline.
13679         (layout::print_annotation_line): Likewise.
13680         (layout::move_to_column): Likewise.
13681         (layout::print_any_fixits): After printing any fixits, print a
13682         trailing newline, if necessary.
13683         (layout::print_newline): New method, resetting any colorization
13684         before a newline.
13685         (diagnostic_show_locus): Move the pp_newline to before the
13686         early bailout.  Remove dummy block enclosing the layout instance.
13687         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13688         of pp_newline_and_flush with pp_flush.
13689         (diagnostic_append_note): Delete use of pp_newline.
13690         (diagnostic_append_note_at_rich_loc): Delete.
13691         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13692         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13693         when newline characters are added to the buffer.
13694
13695 2016-01-26  Michael Matz  <matz@suse.de>
13696
13697         * configure.ac (ac_cv_std_swap_in_utility): New test.
13698         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13699         * configure: Regenerate.
13700         * config.in: Regenerate.
13701
13702 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
13703
13704         * config/arc/arc.md (cstoresi4): Force operand into register.
13705         (arcset<code>): Fix predicate.
13706         (arcsetltu): Likewise.
13707         (arcsetgeu): Likewise.
13708         (arcsethi): Likewise.
13709         (arcsetls): Likewise.
13710
13711 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13712
13713         PR tree-optimization/69483
13714         * gimple-fold.c (canonicalize_constructor_val): Return NULL
13715         if base has error_mark_node type.
13716
13717 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
13718
13719         PR target/68620
13720         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13721         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13722         New helper macros.
13723         (vget_lane_f16): Handle big-endian.
13724         (vgetq_lane_f16): Likewise.
13725         (vset_lane_f16): Likewise.
13726         (vsetq_lane_f16): Likewise.
13727         * config/arm/iterators.md (VQXMOV): Add V8HF.
13728         (VDQ): Add V4HF and V8HF.
13729         (V_reg): Handle V4HF and V8HF.
13730         (Is_float_mode): Likewise.
13731         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13732         neon_vdup_nv8hf): New patterns.
13733         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13734         Use VD_LANE iterator.
13735         (neon_vld1_dup<mode>): Use VQ2 iterator.
13736
13737 2016-01-26  Nathan Sidwell  <nathan@acm.org>
13738
13739         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13740         (set_oacc_fn_attrib): Add IS_KERNEL arg.
13741         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13742         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13743         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13744         (oacc_validate_dims): Add LEVEL arg, don't return level.
13745         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13746         oacc_validate_dims.
13747         (execute_oacc_device_lower): Adjust, add more dump output.
13748         * tree-ssa-loop.c (gate_oacc_kernels): Use
13749         oacc_fn_attrib_kernels_p.
13750         * tree-parloops.c (create_parallel_loop): Adjust
13751         set_oacc_fn_attrib call.
13752
13753 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13754
13755         PR lto/69254
13756         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13757         (append_compiler_options): Handle -fcilkplus.
13758         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13759
13760 2016-01-26  Nick Clifton  <nickc@redhat.com>
13761
13762         PR target/66655
13763         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13764         been marked as DECL_ONE_ONLY but we do not the means to make it
13765         so, then do not allow it to bind locally.
13766
13767 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13768
13769         PR lto/69254
13770         * opts.h (parse_sanitizer_options): New prototype.
13771         * opts.c (sanitizer_opts): New array.
13772         (parse_sanitizer_options): New function.
13773         (common_handle_option): Use parse_sanitizer_options.
13774
13775 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
13776
13777         PR target/68986
13778         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13779         alignment adjustment to ...
13780         (ix86_update_stack_boundary): Here.  Don't over-align stack for
13781         __tls_get_addr.
13782         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13783         if __tls_get_addr is called.
13784
13785 2016-01-26  Christian Bruel  <christian.bruel@st.com>
13786
13787         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13788
13789 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
13790
13791         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13792
13793 2016-01-26  Richard Biener  <rguenther@suse.de>
13794
13795         PR middle-end/69467
13796         * match.pd: Guard X * CST CMP 0 pattern with single_use.
13797
13798 2016-01-26  Richard Biener  <rguenther@suse.de>
13799
13800         PR tree-optimization/69452
13801         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13802         (move_computations_dom_walker::before_dom_children): Rename
13803         to ...
13804         (move_computations_worker): This.
13805         (move_computations): Perform an RPO rather than a DOM walk.
13806
13807 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13808
13809         PR target/69442
13810         * combine.c (combine_instructions): For REG_EQUAL note with
13811         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13812         to the underlying register.
13813         * doc/rtl.texi (REG_EQUAL): Document the behavior of
13814         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13815
13816 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
13817
13818         PR target/67896
13819         * config/aarch64/aarch64-builtins.c
13820         (aarch64_init_simd_builtin_types): Do not set structural
13821         equality to __Poly{8,16,64,128}_t types.
13822
13823 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
13824
13825         PR tree-optimization/69400
13826         * wide-int.cc (wi_pack): Take the precision as argument and
13827         perform canonicalization here rather than in the callers.
13828         Use the main loop to handle all full-width HWIs.  Add a
13829         zero HWI if in_len isn't a full result.
13830         (wi::divmod_internal): Update accordingly.
13831         (wi::mul_internal): Likewise.  Simplify.
13832
13833 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13834             Sebastian Pop  <s.pop@samsung.com>
13835
13836         * graphite-poly.c (apply_poly_transforms): Simplify.
13837         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13838         (print_isl_map): Same.
13839         (print_isl_union_map): Same.
13840         (print_isl_schedule): New.
13841         (debug_isl_schedule): New.
13842         * graphite-dependences.c (scop_get_reads): Do not call
13843         isl_union_map_add_map that is undocumented isl functionality.
13844         (scop_get_must_writes): Same.
13845         (scop_get_may_writes): Same.
13846         (scop_get_original_schedule): Remove.
13847         (scop_get_dependences): Do not call isl_union_map_compute_flow that
13848         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
13849         (compute_deps): Remove.
13850         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13851         (debug_schedule_ast): New.
13852         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13853         set_separate_option.
13854         (graphite_regenerate_ast_isl): Add dump.
13855         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13856         from scop->transformed_schedule.
13857         (graphite_regenerate_ast_isl): Add more dump.
13858         * graphite-optimize-isl.c (optimize_isl): Set
13859         scop->transformed_schedule.  Check whether schedules are equal.
13860         (apply_poly_transforms): Move here.
13861         * graphite-poly.c (apply_poly_transforms): ... from here.
13862         (free_poly_bb): Static.
13863         (free_scop): Static.
13864         (pbb_number_of_iterations_at_time): Remove.
13865         (print_isl_ast): New.
13866         (debug_isl_ast): New.
13867         (debug_scop_pbb): New.
13868         * graphite-scop-detection.c (print_edge): Move.
13869         (print_sese): Move.
13870         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13871         (build_scop_scattering): Remove.
13872         (create_pw_aff_from_tree): Assert instead of bailing out.
13873         (add_condition_to_pbb): Remove unused code, do not fail.
13874         (add_conditions_to_domain): Same.
13875         (add_conditions_to_constraints): Remove.
13876         (build_scop_context): New.
13877         (add_iter_domain_dimension): New.
13878         (build_iteration_domains): Initialize pbb->iterators.
13879         Call add_conditions_to_domain.
13880         (nested_in): New.
13881         (loop_at): New.
13882         (index_outermost_in_loop): New.
13883         (index_pbb_in_loop): New.
13884         (outermost_pbb_in): New.
13885         (add_in_sequence): New.
13886         (add_outer_projection): New.
13887         (outer_projection_mupa): New.
13888         (add_loop_schedule): New.
13889         (build_schedule_pbb): New.
13890         (build_schedule_loop): New.
13891         (embed_in_surrounding_loops): New.
13892         (build_schedule_loop_nest): New.
13893         (build_original_schedule): New.
13894         (build_poly_scop): Call build_original_schedule.
13895         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13896         (free_poly_dr): Remove.
13897         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
13898         (free_poly_bb): Remove.
13899         (debug_loop_vec): Remove.
13900         (print_isl_ast): Declare.
13901         (debug_isl_ast): Declare.
13902         (scop_do_interchange): Remove.
13903         (scop_do_strip_mine): Remove.
13904         (scop_do_block): Remove.
13905         (flatten_all_loops): Remove.
13906         (optimize_isl): Remove.
13907         (pbb_number_of_iterations_at_time): Remove.
13908         (debug_scop_pbb): Declare.
13909         (print_schedule_ast): Declare.
13910         (debug_schedule_ast): Declare.
13911         (struct scop): Remove schedule.  Add original_schedule,
13912         transformed_schedule.
13913         (free_gimple_poly_bb): Remove.
13914         (print_generated_program): Remove.
13915         (debug_generated_program): Remove.
13916         (unify_scattering_dimensions): Remove.
13917         * sese.c (print_edge): ... here.
13918         (print_sese): ... here.
13919         (debug_edge): ... here.
13920         (debug_sese): ... here.
13921         * sese.h (print_edge): Declare.
13922         (print_sese): Declare.
13923         (dump_edge): Declare.
13924         (dump_sese): Declare.
13925
13926 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13927             Sebastian Pop  <s.pop@samsung.com>
13928
13929         * Makefile.in: Set ISLVER in site.exp.
13930
13931 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
13932
13933         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13934         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
13935         through DECL_VALUE_EXPR for expansion.
13936
13937 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13938
13939         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13940         the frame info after reload completed.
13941
13942 2016-01-25  Jeff Law  <law@redhat.com>
13943
13944         PR tree-optimization/69196
13945         PR tree-optimization/68398
13946         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13947         tree-ssa-threadupdate.c.
13948         (determine_bb_domination_status): Prototype
13949         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13950         (determine_bb_domination_status): No longer static.
13951         (valid_jump_thread_path): Remove code to detect characteristics
13952         of the jump thread path not associated with correctness.
13953         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13954         Correct test for thread path length.  Count PHIs for real operands as
13955         statements that need to be copied.  Do not count ASSERT_EXPRs.
13956         Look at all the blocks in the thread path.  Compute and selectively
13957         filter thread paths based on threading through the latch, threading
13958         a multiway branch or crossing a multiway branch.
13959
13960 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13961
13962         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
13963         decl with __attribute__ ((unused)) annotation.
13964
13965 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
13966
13967         PR target/69421
13968         * tree-vect-stmts.c (vectorizable_condition): Check vectype
13969         of operands is compatible with a statement vectype.
13970
13971 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
13972
13973         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13974         improve wording for mixed storage order support.
13975
13976 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
13977
13978         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13979         (vcvt_u64_f64): Likewise.
13980         (vcvta_s64_f64): Likewise.
13981         (vcvta_u64_f64): Likewise.
13982         (vcvtm_s64_f64): Likewise.
13983         (vcvtm_u64_f64): Likewise.
13984         (vcvtn_s64_f64): Likewise.
13985         (vcvtn_u64_f64): Likewise.
13986         (vcvtp_s64_f64): Likewise.
13987         (vcvtp_u64_f64): Likewise.
13988
13989 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
13990
13991         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
13992         (arc_init): Check validity mll64 option.
13993         (arc_save_restore): Use double load/store instruction.
13994         (arc_expand_movmem): Likewise.
13995         (arc_split_move): Don't split if we have double load/store
13996         instructions. Returns a boolean.
13997         (arc_process_double_reg_moves): Change function to return boolean
13998         instead of a sequence of instructions.
13999         (arc_dwarf_register_span): New function.
14000         * config/arc/arc-protos.h (arc_split_move): Change prototype.
14001         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
14002         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
14003         (*movdf_insn): Likewise.
14004         * config/arc/arc.opt (mll64): New option.
14005         * config/arc/predicates.md (even_register_operand): New predicate.
14006         * doc/invoke.texi (ARC Options): Add mll64 documentation.
14007
14008 2016-01-25  Richard Biener  <rguenther@suse.de>
14009
14010         PR lto/69393
14011         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
14012         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
14013         DECL_NAMELESS.
14014         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
14015
14016 2016-01-25  Richard Biener  <rguenther@suse.de>
14017
14018         PR tree-optimization/69376
14019         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
14020         flag.
14021         (VN_INFO_ANTI_RANGE_P): New inline.
14022         (VN_INFO_RANGE_TYPE): Likewise.
14023         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
14024         SSA_NAME_ANTI_RANGE_P.
14025         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
14026         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14027         Properly query VN_INFO_RANGE_TYPE.
14028
14029 2016-01-25  Nick Clifton  <nickc@redhat.com>
14030
14031         PR target/66655
14032         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
14033
14034 2016-01-23  Tom de Vries  <tom@codesourcery.com>
14035
14036         PR tree-optimization/69426
14037         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
14038         removed clobber.
14039
14040 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
14041
14042         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
14043         "the the" with "the" in the comments.
14044         * ipa-devirt.c (build_type_inheritance_graph,
14045         update_type_inheritance_graph): Likewise.
14046         * tree.c (build_function_type_list_1): Likewise.
14047         * cfgloopmanip.c (scale_loop_profile): Likewise.
14048         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
14049         * gimple-ssa-split-paths.c
14050         (find_block_to_duplicate_for_splitting_paths): Likewise.
14051         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
14052         * expr.c (convert_move): Likewise.
14053         * var-tracking.c (vt_stack_adjustments): Likewise.
14054         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
14055         * tree-vrp.c (test_for_singularity): Likewise.
14056
14057         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
14058         directly instead of building a temporary tree.
14059
14060         PR bootstrap/69434
14061         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
14062         remove <algorithm> include.
14063
14064 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14065
14066         PR target/69432
14067         * config/i386/i386.c: Include dojump.h.
14068         (expand_small_movmem_or_setmem,
14069         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
14070         fixes.
14071         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
14072         if dynamic_check != -1.
14073
14074 2016-01-21  Jeff Law  <law@redhat.com>
14075
14076         PR middle-end/69347
14077         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
14078         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
14079         into dominated_by_p.
14080         (cprop_into_successor_phis): Avoid unnecessary tests.
14081
14082 2016-01-22  Richard Henderson  <rth@redhat.com>
14083
14084         PR target/69416
14085         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
14086         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
14087
14088 2016-01-22  Michael Matz  <matz@suse.de>
14089
14090         * system.h (string, algorithm): Include only conditionally.
14091         (new): Include always under C++.
14092         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
14093         * final.c (toplevel): Ditto.
14094         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
14095         * genconditions.c (write_header): Make gencondmd.c define
14096         INCLUDE_STRING.
14097         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
14098
14099         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
14100         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
14101
14102 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14103
14104         PR target/68674
14105         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
14106
14107 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14108
14109         PR target/69403
14110         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
14111         define_insn_and_split.  Ensure operands[1] and operands[0] do not
14112         get assigned the same register.
14113
14114 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
14115
14116         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
14117
14118 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14119
14120         * config/arm/arm-c.c (arm_pragma_target_parse):
14121         Remove warn_builtin_macro_redefined overwrite.
14122
14123 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14124
14125         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
14126         flag_non_call_exceptions compatibility.
14127
14128 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14129
14130         PR debug/66668
14131         * dwarf2out.c (add_child_die_after): New function.
14132         (dwarf_qual_info_t): New type.
14133         (dwarf_qual_info): New variable.
14134         (qualified_die_p): New function.
14135         (modified_type_die): For -fdebug-types-section, ensure
14136         canonical order of qualifiers.  Put qualified DIEs adjacent
14137         to the corresponding non-qualified type DIE and search there
14138         for existing qualified DIEs.
14139
14140 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14141
14142         * doc/extend.texi (scalar_storage_order type attribute): Document
14143         restriction on type punning and aliasing, and remove future tense.
14144
14145 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
14146
14147         PR target/69252
14148         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
14149         first stage.
14150
14151 2016-01-21  Jeff Law  <law@redhat.com>
14152
14153         PR middle-end/69347
14154         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
14155         useless call to record_temporary_equivalences.
14156         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
14157         allocate 10 slots in the bb_path vector and let it grow as needed.
14158         (fsm_find_control_statement_thread_paths): Similarly for the next_path
14159         vector.
14160
14161 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14162
14163         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
14164         Detangle.
14165         * configure: Regenerate.
14166
14167 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
14168
14169         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
14170         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
14171
14172 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
14173
14174         PR middle-end/66178
14175         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
14176         drop EXPAND_INITIALIZER.
14177         * rtl.h (contains_symbolic_reference_p): Declare.
14178         * rtlanal.c (contains_symbolic_reference_p): New function.
14179         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
14180         a subtraction into a NOT if symbolic constants are involved.
14181
14182 2016-01-21  Anton Blanchard  <anton@samba.org>
14183             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14184
14185         PR target/63354
14186         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
14187         #define.
14188         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
14189         function.
14190
14191 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14192
14193         * config/microblaze/microblaze.c
14194         (get_branch_target): New.
14195         (insert_wic_for_ilb_runout): New.
14196         (insert_wic): New.
14197         (microblaze_machine_dependent_reorg): New.
14198         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14199         * config/microblaze/microblaze.md
14200         (UNSPEC_IPREFETCH): Define.
14201         (iprefetch): New pattern
14202         * config/microblaze/microblaze.opt
14203         (mxl-prefetch): New flag.
14204
14205 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14206
14207         * config/microblaze/microblaze.h
14208         (FIXED_REGISTERS): Update in macro.
14209         (CALL_USED_REGISTERS): Update in macro.
14210
14211 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14212
14213         PR rtl-optimization/68920
14214         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14215         moves.
14216
14217 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14218
14219         PR rtl-optimization/68990
14220         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14221         pseudo instead of inheritance ones.
14222
14223 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14224             Nick Clifton  <nickc@redhat.com>
14225
14226         PR target/69129
14227         PR target/69012
14228         * config/mips/mips.c (mips_compute_frame_info): Initialise
14229         args_size and hard_frame_pointer_offset fields of the frame
14230         structure before calling mips_global_pointer.
14231
14232 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14233
14234         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14235         label reference.
14236         * configure: Regenerate.
14237
14238 2016-01-21  Richard Biener  <rguenther@suse.de>
14239
14240         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14241
14242 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14243
14244         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14245         to actually emit the .size directive.
14246
14247 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14248              Jakub Jelinek  <jakub@redhat.com>
14249
14250         PR target/69187
14251         PR target/65624
14252         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14253         args array size by one to avoid buffer overflow.
14254
14255 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14256
14257         * config/s390/s390.md (pool_section_start): Use switch_to_section
14258         to select proper read-only data section instead of hardcoding
14259         .rodata.
14260         (pool_section_end): Use switch_to_section to match the above.
14261
14262 2016-01-21  Richard Biener  <rguenther@suse.de>
14263
14264         PR tree-optimization/69378
14265         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14266         (set_ssa_val_to): Use it for dominance checks taking into
14267         account not executable edges.
14268
14269 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14270
14271         PR c++/69355
14272         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14273         for bitsize instead of GET_MODE_PRECISION (mode).
14274
14275 2016-01-20  Martin Sebor  <msebor@redhat.com>
14276
14277         PR c/52291
14278         * extend.texi (__sync Builtins): Clarify the semantics of
14279         __sync_fetch_and_OP built-ins on pointers.
14280         (__atomic Builtins): Same.
14281
14282 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14283             Sebastian Pop  <s.pop@samsung.com>
14284
14285         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14286         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14287         (is_valid_rename): Same.
14288         (translate_isl_ast_to_gimple::get_rename): Same.
14289         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14290         (translate_isl_ast_to_gimple::rename_uses): Same.
14291         (get_new_name): Check for close_phi nodes.
14292         (copy_loop_phi_args): Use phi_node_kind.
14293         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14294         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14295
14296 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14297             Sebastian Pop  <s.pop@samsung.com>
14298
14299         Revert commit r229783.
14300         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14301         Remove use of parameter_rename_map.
14302         (copy_def): Remove.
14303         (copy_internal_parameters): Remove.
14304         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14305         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14306         (free_sese_info): Do not free parameter_rename_map.
14307         (set_rename): Do not use parameter_rename_map.
14308         (rename_uses): Update call to set_rename.
14309         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14310         * sese.h (parameter_rename_map_t): Remove.
14311         (struct sese_info_t): Remove field parameter_rename_map.
14312
14313 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14314             Sebastian Pop  <s.pop@samsung.com>
14315
14316         * graphite-isl-ast-to-gimple.c: Fix comment.
14317         * graphite-scop-detection.c (defined_in_loop_p): New.
14318         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14319         names defined in loop.
14320
14321 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14322             Sebastian Pop  <s.pop@samsung.com>
14323
14324         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14325         Discard unstructured if-then-else regions.
14326
14327 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14328             Sebastian Pop  <s.pop@samsung.com>
14329
14330         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14331         (cleanup_loop_iter_dom): Remove.
14332         (build_loop_iteration_domains): Remove.
14333         (build_scop_context): Remove.
14334         (build_scop_iteration_domain): Remove.
14335         (add_loop_constraints): New.
14336         (build_iteration_domains): New.
14337         (build_poly_scop): Call build_iteration_domains.
14338
14339 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14340             Sebastian Pop  <s.pop@samsung.com>
14341
14342         * graphite-scop-detection.c
14343         (scop_detection::harmful_loop_in_region): Free dom and loops.
14344         (scop_detection::loop_body_is_valid_scop): Free bbs.
14345
14346 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14347             Sebastian Pop  <s.pop@samsung.com>
14348
14349         * graphite-scop-detection.c (record_loop_in_sese): New.
14350         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14351         (build_scops): Remove call to build_sese_loop_nests.
14352         * sese.c (sese_record_loop): Remove.
14353         (build_sese_loop_nests): Remove.
14354         (new_sese_info): Remove region->loops.
14355         (free_sese_info): Same.
14356         * sese.h (sese_contains_loop): Same.
14357         (build_sese_loop_nests): Remove.
14358         (sese_contains_loop): Remove.
14359
14360 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14361             Sebastian Pop  <s.pop@samsung.com>
14362
14363         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14364         loop_is_valid_in_scop.
14365         (scop_detection::harmful_stmt_in_region): Renamed
14366         harmful_loop_in_region.
14367         Call loop_is_valid_in_scop.
14368
14369 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14370             Sebastian Pop  <s.pop@samsung.com>
14371
14372         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14373         isl_ast_node_mark.
14374
14375 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14376             Sebastian Pop  <s.pop@samsung.com>
14377
14378         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14379         * graphite.h (struct poly_bb): Remove field is_reduction.
14380         (PBB_IS_REDUCTION): Remove.
14381
14382 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14383             Sebastian Pop  <s.pop@samsung.com>
14384
14385         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14386         (add_pdr_constraints): Same.
14387         (scop_get_reads): Same.
14388         (scop_get_must_writes): Same.
14389         (scop_get_may_writes): Same.
14390         (scop_get_original_schedule): Same.
14391         (extend_schedule): Same.
14392         (apply_schedule_on_deps): Same.
14393         (carries_deps): Same.
14394         (compute_deps): Same.
14395         (scop_get_dependences): Same.
14396         * graphite-isl-ast-to-gimple.c
14397         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14398         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14399         (get_schedule_for_band_list): Same.
14400         (get_schedule_map): Same.
14401         (apply_schedule_map_to_scop): Same.
14402         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14403         (build_loop_iteration_domains): Same.
14404         (add_condition_to_pbb): Same.
14405         (add_param_constraints): Same.
14406         (pdr_add_memory_accesses): Same.
14407         (pdr_add_data_dimensions): Same.
14408
14409 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14410
14411         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14412         requirements.
14413
14414 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14415
14416         * common.opt (feliminate-dwarf2-dups): Replace references to
14417         "DWARF 2" with just "DWARF".
14418         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14419         * doc/extend.texi: Likewise.
14420         * doc/cpp.texi: Likewise.
14421         * doc/invoke.texi: Likewise.
14422         (Option Summary): Add -gdwarf to list of Debugging Options.
14423         (Debugging Options): Document -gdwarf.
14424         * doc/contrib.texi: Spell "DWARF" like that.
14425
14426 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14427
14428         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14429         warning.  Fix up formatting.
14430
14431         PR middle-end/67653
14432         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14433         attempt to mark memory input operand addressable and
14434         call prepare_gimple_addressable in that case.  Don't adjust
14435         input_location for diagnostics, use error_at instead.
14436
14437 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14438
14439         * config/rs6000/ppc-auxv.h: New file.
14440         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14441         (cpu_is): Likewise.
14442         (cpu_supports): Likewise.
14443         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14444         (cpu_is_info): New variable.
14445         (cpu_supports_info): Likewise.
14446         (tcb_verification_symbol): Likewise.
14447         (cpu_builtin_p): Likewise.
14448         (cpu_expand_builtin): New function.
14449         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14450         (rs6000_init_builtins): Likewise.
14451         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14452         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14453         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14454         * configure: Regenerate.
14455         * config.in: Likewise.
14456         * doc/extend.texi (PowerPC Built-in Functions): Document
14457         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14458
14459 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14460
14461         PR target/68609
14462         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14463         domain check.
14464         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14465         for V4SFmode.
14466
14467 2016-01-20  Richard Henderson  <rth@redhat.com>
14468
14469         PR bootstrap/69343
14470         PR bootstrap/69339
14471         PR tree-opt/68964
14472         Revert:
14473         * tree.c (tm_define_builtin): New.
14474         (find_tm_vector_type): New.
14475         (build_tm_vector_builtins): New.
14476         (build_common_builtin_nodes): Call it.
14477
14478 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14479
14480         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14481         (arm_fp_ok): Likewise.
14482         (arm_fp): Likewise.
14483         (arm_crypto): Likewise.
14484
14485 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14486             Richard Biener  <rguenther@suse.de>
14487
14488         PR tree-optimization/69328
14489         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14490         vectors have same number of elements.
14491         (vectorizable_condition): Fix masked version recognition.
14492
14493 2016-01-20  Richard Biener  <rguenther@suse.de>
14494
14495         PR tree-optimization/69345
14496         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14497         (VN_INFO_PTR_INFO): Likewise.
14498         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14499         info when it is equal between non-dominating SSA names.
14500         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14501         Make sure to look at original SSA infos.
14502
14503 2016-01-20  Jeff Law  <law@redhat.com>
14504
14505         PR target/25114
14506         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14507         extracted from ...
14508         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14509         (pc_or_label_operand): New predicate.
14510         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14511         tests for small integers that are 2^n - 1.
14512
14513 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14514
14515         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14516
14517 2016-01-19  Jeff Law  <law@redhat.com>
14518
14519         PR middle-end/69347
14520         * tree-ssa-threadbackwards.c
14521         (fsm_find_control_statement_thread_paths): Do not try to lookup
14522         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14523
14524 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14525
14526         * doc/lto.texi: Remove text that says only Gold has linker plugin
14527         support.
14528
14529 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14530
14531         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14532         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14533         the DIE accordingly.
14534         (modified_type_die): Add REVERSE parameter and pass it recursively,
14535         as well as to base_type_die.  Adjust presence check accordingly.
14536         (base_type_for_mode): Adjust call to modified_type_die.
14537         (add_type_attribute): Add REVERSE parameter and pass it to
14538         modified_type_die.
14539         (generic_parameter_die): Adjust call to add_type_attribute.
14540         (add_scalar_info): Likewise.
14541         (add_subscript_info): Likewise.
14542         (gen_array_type_die): Likewise.
14543         (gen_descr_array_type_die): Likewise.
14544         (gen_entry_point_die): Likewise.
14545         (gen_enumeration_type_die): Likewise.
14546         (gen_formal_parameter_die): Likewise.
14547         (gen_subprogram_die): Likewise.
14548         (gen_variable_die ): Likewise.
14549         (gen_const_die): Likewise.
14550         (gen_field_die): Likewise.
14551         (gen_pointer_type_die): Likewise.
14552         (gen_reference_type_die): Likewise.
14553         (gen_ptr_to_mbr_type_die): Likewise.
14554         (gen_inheritance_die): Likewise.
14555         (gen_subroutine_type_die): Likewise.
14556         (gen_typedef_die): Likewise.
14557         (force_type_die): Adjust call to modified_type_die.
14558
14559 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14560
14561         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14562         flow throughout the file.  Fix broken link to Objective-C 2.0
14563         documentation.
14564         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14565         errors.
14566
14567 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14568
14569         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14570
14571 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14572
14573         PR ipa/66223
14574         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14575         (maybe_record_node): Record cxa_pure_virtual as the only possible
14576         target if there are not ohter candidates.
14577         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14578
14579 2016-01-19  Richard Biener  <rguenther@suse.de>
14580
14581         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14582         (get_memory_order): Likewise.
14583
14584 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14585
14586         * tree-vect-stmts.c (vectorizable_store): Check
14587         rhs vectype.
14588
14589 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14590
14591         PR jit/68446
14592         * gcc.c (driver::decode_argv): Add call to
14593         init_opts_obstack before init_options_struct.
14594         * opts.c (init_opts_obstack): Remove idempotency.
14595         (init_options_struct): Replace call to init_opts_obstack
14596         with a gcc_assert to verify that it has already been called.
14597         * toplev.c (toplev::main): Add call to init_opts_obstack before
14598         calls to init_options_struct.
14599         (toplev::finalize): Move cleanup of opts_obstack next to
14600         cleanup of save_decoded_options, clearing the latter, and
14601         save_decoded_options_count.
14602
14603 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14604
14605         PR target/69135
14606         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14607         attribute to unconditional.  Remove %? from output template.
14608
14609 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14610             Jiong Wang  <jiong.wang@arm.com>
14611
14612         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14613         generated from different expand order.
14614
14615 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14616
14617         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14618         Add support for CCMP costing.
14619
14620 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14621
14622         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14623         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14624         (fccmpe<mode>): Likewise.
14625         (fcmp): Rename to fcmp and globalize pattern.
14626         (fcmpe): Likewise.
14627         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14628         (aarch64_gen_ccmp_next): Add FP support.
14629
14630 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14631
14632         * target.def (gen_ccmp_first): Update documentation.
14633         (gen_ccmp_next): Likewise.
14634         * doc/tm.texi (gen_ccmp_first): Update documentation.
14635         (gen_ccmp_next): Likewise.
14636         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14637         expand_ccmp_expr_1.  Improve comments.
14638         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14639         (ccmp_ior<mode>): Remove pattern.
14640         (cmp<mode>): Remove expand.
14641         (cmp): Globalize pattern.
14642         (cstorecc4): Use cc_register.
14643         (mov<mode>cc): Remove ccmp_cc_register check.
14644         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14645         Simplify after removal of CC_DNE/* modes.
14646         (aarch64_ccmp_mode_to_code): Remove.
14647         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
14648         In 'k' case use integer as condition.
14649         (aarch64_nzcv_codes): Remove inverted cases.
14650         (aarch64_code_to_ccmode): Remove.
14651         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
14652         comparison with CC register to be used in folowing CCMP/branch/CSEL.
14653         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14654         pattern.  Return the comparison with CC register.  Invert conditions
14655         when bitcode is OR.
14656         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14657         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14658
14659 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14660
14661         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14662         instrumented_version.
14663
14664 2016-01-19  Richard Biener  <rguenther@suse.de>
14665
14666         PR tree-optimization/69336
14667         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14668         handled components with get_ref_base_and_extent.
14669         (equal_mem_array_ref_p): Adjust.
14670
14671 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14672
14673         PR debug/65779
14674         * shrink-wrap.c: Include valtrack.h.
14675         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
14676         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14677         in between insn and where it will be moved to.  Call
14678         dead_debug_insert_temp.
14679         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
14680         first and dead_debug_local_finish at the end.
14681         For uses and defs bitmap, handle all regs in between REGNO and
14682         END_REGNO, not just the first one.
14683
14684 2016-01-19  Richard Biener  <rguenther@suse.de>
14685
14686         PR tree-optimization/69352
14687         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14688         (equal_mem_array_ref_p): Constrain size and max size properly.
14689         Compare the reverse flag.
14690
14691 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
14692
14693         * ira.c (ira): Update regstat data if we deleted insns.
14694
14695 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14696
14697         PR rtl-optimization/68955
14698         PR rtl-optimization/64557
14699         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14700         here.  Fix up formatting.
14701         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14702
14703 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14704
14705         PR lto/69133
14706         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14707         assume that the node has body.
14708         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14709         check.
14710
14711 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14712
14713         * lto-streamer-out.c (lto_output): Do not stream instrumentation
14714         thunks.
14715
14716 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14717
14718         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14719         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14720
14721 2016-01-19  Martin Jambor  <mjambor@suse.cz>
14722             Martin Liska  <mliska@suse.cz>
14723             Michael Matz  <matz@suse.de>
14724
14725         * Makefile.in (OBJS): Add new source files.
14726         (GTFILES): Add hsa.c.
14727         * common.opt (disable_hsa): New variable.
14728         (-Whsa): New warning.
14729         * config.in (ENABLE_HSA): New.
14730         * configure.ac: Treat hsa differently from other accelerators.
14731         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14732         $enable_offloading.
14733         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14734         * doc/install.texi (Configuration): Document --with-hsa-runtime,
14735         --with-hsa-runtime-include, --with-hsa-runtime-lib and
14736         --with-hsa-kmt-lib.
14737         * doc/invoke.texi (-Whsa): Document.
14738         (hsa-gen-debug-stores): Likewise.
14739         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14740         to invoke offload compiler for hsa acclerator.
14741         * opts.c (common_handle_option): Determine whether HSA offloading
14742         should be performed.
14743         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14744         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14745         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14746         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14747         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14748         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14749         GF_OMP_FOR_KIND_GRID_LOOP.
14750         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14751         (pp_gimple_stmt_1): Likewise.
14752         * gimple-walk.c (walk_gimple_stmt): Likewise.
14753         * gimple.c (gimple_build_omp_grid_body): New function.
14754         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14755         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14756         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14757         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14758         GF_OMP_TEAMS_GRID_PHONY.
14759         (gimple_statement_omp_single_layout): Updated comments.
14760         (gimple_build_omp_grid_body): New function.
14761         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14762         (gimple_omp_for_grid_phony): New function.
14763         (gimple_omp_for_set_grid_phony): Likewise.
14764         (gimple_omp_parallel_grid_phony): Likewise.
14765         (gimple_omp_parallel_set_grid_phony): Likewise.
14766         (gimple_omp_teams_grid_phony): Likewise.
14767         (gimple_omp_teams_set_grid_phony): Likewise.
14768         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14769         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14770         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14771         (BUILT_IN_GOMP_TARGET): Updated type.
14772         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14773         (adjust_for_condition): New function.
14774         (get_omp_for_step_from_incr): Likewise.
14775         (extract_omp_for_data): Moved parts to adjust_for_condition and
14776         get_omp_for_step_from_incr.
14777         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14778         (fixup_child_record_type): Bail out if receiver_decl is NULL.
14779         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14780         (scan_omp_parallel): Do not create child functions for phony
14781         constructs.
14782         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14783         (scan_omp_1_op): Checking assert we are not remapping to
14784         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
14785         (parallel_needs_hsa_kernel_p): New function.
14786         (expand_parallel_call): Register apprpriate parallel child
14787         functions as HSA kernels.
14788         (grid_launch_attributes_trees): New type.
14789         (grid_attr_trees): New variable.
14790         (grid_create_kernel_launch_attr_types): New function.
14791         (grid_insert_store_range_dim): Likewise.
14792         (grid_get_kernel_launch_attributes): Likewise.
14793         (get_target_argument_identifier_1): Likewise.
14794         (get_target_argument_identifier): Likewise.
14795         (get_target_argument_value): Likewise.
14796         (push_target_argument_according_to_value): Likewise.
14797         (get_target_arguments): Likewise.
14798         (expand_omp_target): Call get_target_arguments instead of looking
14799         up for teams and thread limit.
14800         (grid_expand_omp_for_loop): New function.
14801         (grid_arg_decl_map): New type.
14802         (grid_remap_kernel_arg_accesses): New function.
14803         (grid_expand_target_kernel_body): New function.
14804         (expand_omp): Call it.
14805         (lower_omp_for): Do not emit phony constructs.
14806         (lower_omp_taskreg): Do not emit phony constructs but create for them
14807         a temporary variable receiver_decl.
14808         (lower_omp_taskreg): Do not emit phony constructs.
14809         (lower_omp_teams): Likewise.
14810         (lower_omp_grid_body): New function.
14811         (lower_omp_1): Call it.
14812         (grid_reg_assignment_to_local_var_p): New function.
14813         (grid_seq_only_contains_local_assignments): Likewise.
14814         (grid_find_single_omp_among_assignments_1): Likewise.
14815         (grid_find_single_omp_among_assignments): Likewise.
14816         (grid_find_ungridifiable_statement): Likewise.
14817         (grid_target_follows_gridifiable_pattern): Likewise.
14818         (grid_remap_prebody_decls): Likewise.
14819         (grid_copy_leading_local_assignments): Likewise.
14820         (grid_process_kernel_body_copy): Likewise.
14821         (grid_attempt_target_gridification): Likewise.
14822         (grid_gridify_all_targets_stmt): Likewise.
14823         (grid_gridify_all_targets): Likewise.
14824         (execute_lower_omp): Call grid_gridify_all_targets.
14825         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14826         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14827         (tree_omp_clause): Added union field dimension.
14828         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14829         * tree.c (omp_clause_num_ops): Added number of arguments of
14830         OMP_CLAUSE__GRIDDIM_.
14831         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14832         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14833         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14834         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14835         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14836         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14837         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14838         * tree-pass.h (make_pass_gen_hsail): Declare.
14839         (make_pass_ipa_hsa): Likewise.
14840         * ipa-hsa.c: New file.
14841         * lto-section-in.c (lto_section_name): Add hsa section name.
14842         * lto-streamer.h (lto_section_type): Add hsa section.
14843         * timevar.def (TV_IPA_HSA): New.
14844         * hsa-brig-format.h: New file.
14845         * hsa-brig.c: New file.
14846         * hsa-dump.c: Likewise.
14847         * hsa-gen.c: Likewise.
14848         * hsa.c: Likewise.
14849         * hsa.h: Likewise.
14850         * toplev.c (compile_file): Call hsa_output_brig.
14851         * hsa-regalloc.c: New file.
14852
14853 2016-01-18  Jeff Law  <law@redhat.com>
14854
14855         PR tree-optimization/69320
14856         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14857         ranged object, do nothing if the RHS constant is not [0..1].
14858         (optimize_stmt): Comparing a boolean ranged object against a
14859         constant outside [0..1] results in a compile-time constant.
14860
14861         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14862         test.
14863
14864 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
14865
14866         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14867         (Option Summary): Update to reflect new section and moved options.
14868         (C++ Dialect Options): Move -fstats to new section.
14869         (Debugging Options): Move all dump, statistics, and other GCC
14870         developer options to new section.  Rewrite section introduction
14871         and re-order remaining options to put the more basic ones first.
14872         (Optimization Options): Move -fira-verbose and -flto-report* to
14873         new section.
14874         (Developer Options): New section incorporating moved options.
14875         * doc/cppopts.texi (-dM): Update cross-reference.
14876
14877 2016-01-18  Richard Henderson  <rth@redhat.com>
14878
14879         PR target/69176
14880         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14881         operands to pseudo only if CSE is expected.  Split long immediate
14882         operands only after reload, and for the stack pointer.
14883         (*add<GPI>3_pluslong): Remove.
14884         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14885         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
14886         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14887         (*add<GPI>3 peepholes): New.
14888         (*add<GPI>3 splitters): New.
14889         * config/aarch64/constraints.md (Upl): New.
14890         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14891
14892 2016-01-18  Richard Biener  <rguenther@suse.de>
14893
14894         PR tree-optimization/69297
14895         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14896         stmt at most once.
14897         (vect_bb_vectorization_profitable_p): Clear visited flag again.
14898
14899 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
14900
14901         PR middle-end/68542
14902         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14903         of mixind vector and scalar types.
14904         (fold_relational_const): Add handling of vector
14905         comparison with boolean result.
14906         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14907         comparison of vector operands with boolean result for EQ/NE only.
14908         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14909         (verify_gimple_cond): Likewise.
14910         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14911         valid type of VAL.
14912
14913 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
14914
14915         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14916         !TARGET_OCTEON.
14917
14918 2016-01-18  Richard Biener  <rguenther@suse.de>
14919
14920         PR middle-end/69308
14921         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14922
14923 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14924
14925         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14926
14927 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14928
14929         * omp-low.c (set_oacc_fn_attrib): Make extern.
14930         * omp-low.h (set_oacc_fn_attrib): Declare.
14931         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14932         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14933         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14934         Add and handle function parameter oacc_kernels_p.
14935         (find_reduc_addr, get_omp_data_i_param): New function.
14936         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14937         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14938         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14939         Calculate dominance info.  Skip loops that are not in a kernels region
14940         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
14941         (pass_parallelize_loops::execute): Call parallelize_loops with
14942         oacc_kernels_p argument.
14943         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14944         New member function.
14945         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14946         * passes.def: Add argument to pass_parallelize_loops instantation.
14947
14948 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14949
14950         * tree-parloops.c (pass_parallelize_loops::execute): Allow
14951         pass_parallelize_loops to be run outside the loop pipeline.
14952
14953 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14954
14955         * tree-scalar-evolution.c (follow_copies_to_constant): New.
14956         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14957
14958 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14959
14960         PR target/63679
14961         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14962         using get_ref_base_and_extent.
14963         (equal_mem_array_ref_p): New.
14964         (hashable_expr_equal_p): Add call to previous.
14965
14966 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14967
14968         PR target/63679
14969         * tree-sra.c (disqualified_constants, constant_decl_p): New.
14970         (sra_initialize): Allocate disqualified_constants.
14971         (sra_deinitialize): Free disqualified_constants.
14972         (disqualify_candidate): Update disqualified_constants when appropriate.
14973         (create_access): Scan for constant-pool entries as we go along.
14974         (scalarizable_type_p): Add check against type_contains_placeholder_p.
14975         (maybe_add_sra_candidate): Allow constant-pool entries.
14976         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14977         (initialize_constant_pool_replacements): New.
14978         (sra_modify_assign): Avoid mangling assignments created by previous,
14979         and don't generate writes into constant pool.
14980         (sra_modify_function_body): Call initialize_constant_pool_replacements.
14981
14982 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
14983
14984         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14985         andnot instruction.
14986         (scalar_chain::convert_op): Likewise.
14987         * config/i386/i386.md (*andndi3_doubleword): New.
14988
14989 2016-01-18  Richard Biener  <rguenther@suse.de>
14990
14991         PR tree-optimization/69170
14992         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
14993         building a vector from scalar results of a pattern stmt.
14994
14995 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
14996
14997         * haifa-sched.c (autopref_multipass_init): Work around
14998         -Wmaybe-uninitialized warning.
14999
15000 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15001
15002         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
15003         against the constant 0.
15004
15005 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15006
15007         PR tree-optimization/68799
15008         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
15009         look up phi candidates in the statement-candidate map.
15010         (phi_add_costs): Likewise.
15011         (record_phi_increments): Likewise.
15012         (phi_incr_cost): Likewise.
15013         (ncd_with_phi): Likewise.
15014         (all_phi_incrs_profitable): Likewise.
15015
15016 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
15017
15018         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
15019         -Wmaybe-uninitialized warning.
15020
15021 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
15022
15023         * doc/invoke.texi (Invoking GCC): Add new section to menu.
15024         (Option Summary): Update to reflect new section and moved options.
15025         (C++ Dialect Options): Move -fvtable-verify and related options.
15026         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
15027         and profiling-related options.
15028         (Optimization Options): Move profile generation options and
15029         -fstack-protector and related options.
15030         (Instrumentation Options): New section incorporating moved options.
15031         (Code Generation Options): Move -finstrument-functions and
15032         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
15033
15034 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15035
15036         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
15037
15038 2016-01-16  Tom de Vries  <tom@codesourcery.com>
15039
15040         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
15041
15042 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
15043
15044         * hash-table.h (hash_table::empty): Turn into an inline wrapper
15045         that checks whether the table is already empty.  Rename the
15046         original implementation to...
15047         (hash_table::empty_slot): ...this new private function.
15048
15049 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
15050
15051         PR diagnostic/68899
15052         * diagnostic-show-locus.c (layout::print_source_line): Move x
15053         offset of line until after call to
15054         get_line_width_without_trailing_whitespace.
15055
15056 2016-01-15  Jeff Law  <law@redhat.com>
15057
15058         PR tree-optimization/69270
15059         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
15060         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
15061         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
15062         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
15063         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
15064         ssa_name_has_boolean_range and constant_boolean_node.
15065
15066 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
15067
15068         PR rtl-optimization/69030
15069         * lra-spills.c (remove_pseudos): Check nrefs and make the function
15070         returning bool.
15071         (spill_pseudos): Delete debug insn for dead pseudo.
15072         (lra_spill): Initiate spill_hard_reg and slots memory separately.
15073
15074 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
15075
15076         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
15077         New.
15078         (TYPES_UNOPUS): Likewise.
15079         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
15080         builtin type, from UNOP to UNOPUS.
15081         (lbtruncuv4sf): Likewise.
15082         (lbtruncuv2df): Likewise.
15083         (lrounduv2sf): Likewise.
15084         (lrounduv4sf): Likewise.
15085         (lrounduv2df): Likewise.
15086         (lroundusf): Likewise.
15087         (lroundusf): Likewise.
15088         (lceiluv2sf): Likewise.
15089         (lceiluv4sf): Likewise.
15090         (lceiluv2df): Likewise.
15091         (lceilusf): Likewise.
15092         (lceiludf): Likewise.
15093         (lflooruv2sf): Likewise.
15094         (lflooruv4sf): Likewise.
15095         (lflooruv2df): Likewise.
15096         (lfloorusf): Likewise.
15097         (lfloorudf): Likewise.
15098         (lfrintnuv2sf): Likewise.
15099         (lfrintnuv4sf): Likewise.
15100         (lfrintnuv2df): Likewise.
15101         (lfrintnusf): Likewise.
15102         (lfrintnudf): Likewise.
15103         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
15104         conversion.
15105         (vcvtq_u32_f32): Likewise.
15106         (vcvtq_u64_f64): Likewise.
15107         (vcvta_u32_f32): Likewise.
15108         (vcvtaq_u32_f32): Likewise.
15109         (vcvtaq_u64_f64): Likewise.
15110         (vcvtm_u32_f32): Likewise.
15111         (vcvtmq_u32_f32): Likewise.
15112         (vcvtmq_u64_f64): Likewise.
15113         (vcvtn_u32_f32): Likwise.
15114         (vcvtnq_u32_f32): Likewise.
15115         (vcvtnq_u64_f64): Likewise.
15116         (vcvtp_u32_f32): Likewise.
15117         (vcvtpq_u32_f32): Likewise.
15118         (vcvtpq_u64_f64): Likewise.
15119         (vcvtmd_u64_f64): Likewise.
15120         (vcvtms_u32_f32): Likewise.
15121         (vcvtad_u64_f64): Likewise.
15122         (vcvtas_u32_f32): Likewise.
15123         (vcvtnd_u64_f64): Likewise.
15124         (vcvtns_u32_f32): Likewise.
15125         (vcvtpd_u64_f64): Likewise.
15126         (vcvtps_u32_f32): Likewise.
15127
15128 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15129
15130         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
15131         CSEL of zero_extended registers.
15132
15133 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15134
15135         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
15136         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
15137
15138 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15139
15140         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
15141         false when argument string is not found in the attributes table
15142         at all.
15143
15144 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
15145
15146         PR target/68609
15147         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
15148         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
15149         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
15150         precision estimate.
15151
15152 2016-01-15  Richard Biener  <rguenther@suse.de>
15153
15154         PR tree-optimization/66856
15155         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
15156         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
15157         (vect_create_new_slp_node): Increment stmt reference count.
15158         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
15159         an SLP tree before swapping operands.
15160         (vect_build_slp_tree): Likewise.
15161         (destroy_bb_vec_info): Free stmt info after SLP instances.
15162         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
15163         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
15164         (STMT_VINFO_NUM_SLP_USES): New macro.
15165
15166 2016-01-15  Richard Biener  <rguenther@suse.de>
15167
15168         PR debug/69137
15169         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
15170         (add_linkage_name): ... here.
15171         (gen_typedef_die): Use add_linkage_name_raw instead of
15172         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
15173         if necessary.
15174
15175 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
15176
15177         * gimplify.c (oacc_default_clause): Decode reference and pointer
15178         types for both kernels and parallel regions.
15179
15180 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
15181
15182         PR middle-end/69246
15183         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
15184
15185 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15186
15187         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
15188         (convert_scalars_to_vector): Likewise.
15189
15190 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
15191
15192         * doc/extend.texi (Type Traits): Fix grammar.
15193
15194 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15195
15196         * tree-inline.c (remap_decl): Use existing dclarations if
15197         remapping a type and prevent_decl_creation_for_types.
15198         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15199         decls first.  Do real remapping with
15200         prevent_decl_creation_for_types set.
15201         * tree-inline.h (copy_body_data): New field
15202         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15203         padding.
15204
15205 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15206
15207         * config/s390/s390.opt (mmvcle): More verbose help text.
15208
15209 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15210
15211         * config/s390/s390.opt: Add period to -mzvector option text.
15212
15213 2016-01-15  Richard Biener  <rguenther@suse.de>
15214
15215         PR tree-optimization/68961
15216         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15217         of invariants in stores again.
15218
15219 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15220
15221         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15222
15223 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15224
15225         * config/i386/i386.c (ix86_expand_branch): Don't split
15226         DI mode xor instruction to SI mode.
15227
15228 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15229
15230         PR ipa/68148
15231         * ipa-icf.c (sem_function::merge): Virtual functions may become
15232         reachable even if they address is not taken and there are no
15233         idrect calls.
15234
15235 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15236
15237         * lto-streamer-out.c (subtract_estimated_size): New function.
15238         (get_symbol_initial_value): Use it.
15239
15240 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15241
15242         PR target/65837
15243         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15244         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15245         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15246         use add_builtin_function_ext_scope instead of add_builtin_function.
15247         (neon_set_p, neon_crypto_set_p): Remove.
15248         (arm_init_builtins): Always call arm_init_neon_builtins and
15249         arm_init_crypto_builtins.
15250         (arm_expand_builtin): Check that builtins are allowed for the arch.
15251         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15252         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15253         arm_init_neon_builtins call.
15254
15255 2016-01-15  Richard Biener  <rguenther@suse.de>
15256
15257         PR tree-optimization/69117
15258         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15259         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15260         of the leader conservatively.
15261         (free_scc_vn): Restore original SSA name infos.
15262
15263 2016-01-14  Jeff Law  <law@redhat.com>
15264
15265         PR tree-optimization/69270
15266         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15267         single bit of precision, verify it's also unsigned.
15268         (record_edge_info): Use constant_boolean_node rather than fold_convert
15269         to convert boolean_true/boolean_false to the right type.
15270
15271 2016-01-14  Richard Henderson  <rth@redhat.com>
15272
15273         PR rtl-opt/69014
15274         * loop-doloop.c (record_reg_sets): New.
15275         (doloop_optimize): Reject the transform if the sequence
15276         clobbers registers live at the end of the loop block.
15277         (doloop_optimize_loops): Enable df_live if needed.
15278
15279 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15280
15281         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15282         * config/rs6000/rs6000.c: Likewise.
15283         * config/rs6000/rs6000.h: Likewise.
15284         * config/rs6000/rs6000.md: Likewise.
15285         * doc/extend.texi: Likewsie.
15286
15287 2016-01-14  Jeff Law  <law@redhat.com>
15288
15289         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15290         typo.
15291
15292 2016-01-14  Richard Henderson  <rth@redhat.com>
15293
15294         PR c/69272
15295         PR tree-opt/68964
15296         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15297         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15298         instead of builtin_decl_declared_p to test for declaration.
15299
15300 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15301
15302         * doc/loop.texi (Loop Analysis and Representation): Document
15303         loop_depth function.
15304
15305 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15306
15307         PR tree-optimization/68773
15308         * omp-low.c (expand_omp_target): Don't set force_output.
15309         * varpool.c (varpool_node::get_create): Same.
15310         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15311         offload_funcs with force_output.
15312
15313 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15314
15315         PR debug/69244
15316         * lra-eliminations.c (move_plus_up): Don't change anything if either
15317         the outer or inner subreg mode is not MODE_INT.
15318         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15319         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15320
15321 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15322
15323         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15324         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15325         reduc_uplus_@var{m}): Remove.
15326         * expr.c (expand_expr_real_2): Remove expansion path for
15327         reduc_[us](min|max|plus) optabs.
15328         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15329         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15330         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15331         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15332         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15333         reduc_[us](min|max|plus) optabs.
15334
15335 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15336
15337         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15338         (reduc_plus_scal_v2sf): New.
15339         (reduc_smax_v2sf): Rename to...
15340         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15341         (reduc_smin_v2sf): Rename to...
15342         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15343
15344 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15345
15346         * alias.c (compare_base_symbol_refs): New function.
15347         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15348         it.
15349
15350 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15351
15352         PR middle-end/68146
15353         PR tree-optimization/69155
15354         * tree-complex.c: Include cfganal.h.
15355         (phis_to_revisit): New variable.
15356         (extract_component): Add phiarg_p argument.  Assert that returned
15357         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15358         (update_phi_components): Partly rewrite to use loop over real/imag
15359         components instead of code duplication.  If extract_component returns
15360         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15361         create_tmp_reg into the PHI node instead, and mention the phi triplet
15362         in phis_to_revisit.
15363         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15364         in phis_to_revisit at the end.
15365
15366 2016-01-14  Richard Biener  <rguenther@suse.de>
15367
15368         PR tree-optimization/68060
15369         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15370         outer loop reduction is only used in the inner loop before
15371         detecting a double reduction.
15372
15373 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15374
15375         PR target/68269
15376         * combine.c (expand_field_assignment): Punt if compute_mode is
15377         unsupported scalar mode.
15378
15379 2016-01-14  Richard Biener  <rguenther@suse.de>
15380
15381         PR tree-optimization/66856
15382         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15383         SLP node only if it built successfully.
15384         (vect_analyze_slp_instance): Adjust.
15385
15386 2016-01-14  Jeff Law  <law@redhat.com>
15387
15388         PR tree-optimization/69270
15389         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15390         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15391         to the type of op0.
15392
15393 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15394
15395         PR ipa/66487
15396         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15397         use block_ultimate_origin
15398         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15399
15400 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15401
15402         * doc/invoke.texi (Submodel Options): Rename section to
15403         "Machine-Dependent Options" to better reflect its content.
15404         Rewrite introductory text to remove archaic CPU names.
15405         Update references.
15406
15407 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15408
15409         * doc/invoke.texi (Code Gen Options): Move section up in file,
15410         before target-specific options.  Update menu and option summary
15411         to reflect the new section ordering.
15412
15413 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15414
15415         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15416         (C++ Dialect Options): Add cross-reference to -std option.
15417         * doc/standards.texi (C++ Language): Document C++14 support.
15418
15419 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15420
15421         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15422         for pack/unpack functions for __ibm128.
15423         (PACK_IF): Likewise.
15424         (UNPACK_IF): Likewise.
15425
15426         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15427         support for __ibm128 pack/unpack functions.
15428         (rs6000_invalid_builtin): Likewise.
15429         (rs6000_init_builtins): Likewise.
15430         (rs6000_opt_masks): Likewise.
15431
15432         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15433         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15434         functions
15435         (RS6000_BTM_COMMON): Likewise.
15436
15437         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15438         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15439         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15440         128-bit floating point.  Add support for the double values to be
15441         in Altivec registers for TF/IF packing and unpacking, but restrict
15442         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15443         register support for packing.  Allow pack inputs to be memory
15444         locations.  Don't build generator functions for unpack<mode>_dm
15445         and unpack<mode>_nodm.
15446         (unpack<mode>_dm): Likewise.
15447         (unpack<mode>_nodm): Likewise.
15448         (pack<mode>): Likewise.
15449
15450         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15451         built-in functions to pack/unpack explicit __ibm128 values.
15452         (__builtin_unpack_ibm128): Likewise.
15453
15454         * doc/extend.texi (PowerPC Built-in Functions): Document
15455         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15456
15457 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15458
15459         PR c/66208
15460         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15461         Add new arg loc and pass it down as context.
15462         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15463         to the location to use for the warning.
15464         (check_function_arguments): New arg loc.  All callers changed.  Pass
15465         it to check_function_nonnull.
15466         * c-common.h (check_function_arguments): Adjust declaration.
15467
15468 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15469
15470         PR tree-optimization/69156
15471         * gimple.c (validate_type): Removed.
15472         (gimple_builtin_call_types_compatible_p): Use
15473         useless_type_conversion_p instead of validate_type.
15474         * value-prof.c (gimple_stringop_fixed_value): Fold
15475         icall_size to correct type.
15476
15477 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15478
15479         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15480         effects.
15481
15482 2016-01-13  Richard Henderson  <rth@redhat.com>
15483
15484         PR tree-opt/68964
15485         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15486         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15487         (ix86_builtin_tm_store): Remove.
15488         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15489         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15490         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15491         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15492         * doc/tm.texi: Rebuild.
15493
15494         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15495         (BUILT_IN_TM_MEMCPY_RTWN): New.
15496         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15497         fallback from vector to integer helpers.
15498         (build_tm_load): Handle vector types directly, instead of
15499         via target hook.
15500         (build_tm_store): Likewise.
15501         (expand_assign_tm): Prepare for register types not handled by
15502         the above.  Copy them to memory and use memcpy.
15503         * tree.c (tm_define_builtin): New.
15504         (find_tm_vector_type): New.
15505         (build_tm_vector_builtins): New.
15506         (build_common_builtin_nodes): Call it.
15507
15508 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15509
15510         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15511         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15512
15513 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15514
15515         PR tree-optimization/69169
15516         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15517         handled_struct_type param.
15518         (create_variable_info_for, intra_create_variable_infos): Call
15519         create_variable_info_for_1 with extra arg.
15520
15521 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15522
15523         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15524         and "armv8.1-a+crc" entries.
15525
15526 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15527
15528         PR target/69228
15529         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15530         Change first operand predicate from register_or_constm1_operand
15531         to register_operand.
15532         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15533         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15534         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15535         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15536         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15537         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15538         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15539         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15540         comparison with constm1_rtx from vec_prefetch_gen part.
15541
15542 2016-01-13  Richard Biener  <rguenther@suse.de>
15543
15544         PR tree-optimization/69013
15545         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15546         Exchange assert for a test.
15547
15548 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15549
15550         PR target/69247
15551         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15552
15553 2016-01-13  Richard Biener  <rguenther@suse.de>
15554
15555         PR tree-optimization/69242
15556         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15557         assert with a check.
15558
15559 2016-01-13  Richard Biener  <rguenther@suse.de>
15560
15561         PR tree-optimization/69186
15562         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15563         Properly guard vect_update_misalignment_for_peel call.
15564
15565 2016-01-12  Jeff Law  <law@redhat.com>
15566
15567         PR tree-optimization/pr67755
15568         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15569         "need_profile_correction".
15570         (thread_block_1): Initialize new field to false by default.  If we
15571         have multiple thread paths through a common joiner to different
15572         final targets, then set new field to true.
15573         (compute_path_counts): Only do count adjustment when it's really
15574         needed.
15575
15576 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15577
15578         * doc/invoke.texi (Spec Files): Move section down in file, past
15579         all command-line option descriptions.
15580
15581 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15582
15583         PR middle-end/54809
15584         * doc/gty.texi: Remove documentation of mark_hook.
15585         * gengtype.c (struct write_types_data): Remove code to support
15586         mark_hook attribute.
15587         (walk_type): Likewise.
15588         (write_func_for_structure): Likewise.
15589
15590 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15591
15592         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15593         Directory Options, and -specs= to Overall Options.
15594         (Overall Options): Adjust similarly.  Reorder to group related
15595         options together.  Make -specs= cross-reference the spec file details.
15596         (Directory Options): Adjust similarly.
15597
15598 2016-01-12  Jeff Law  <law@redhat.com>
15599
15600         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15601
15602 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15603
15604         * gcc.c (spec_undefvar_allowed): New global.
15605         (process_command): Set to true when running for --version or --help,
15606         alone or together.
15607         (getenv_spec_function): When the variable is not defined, use the
15608         variable name as the variable value if we're allowed not to issue
15609         a fatal error.
15610
15611 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15612
15613         PR tree-optimization/68911
15614         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15615         information computed for expression "init + nit * step".
15616
15617 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15618
15619         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15620         about name of GCC executable.  Remove deleted node from menu.
15621         (Directory Options) <-B>: Remove cross-reference to deleted node.
15622         (Target Options): Delete section.
15623
15624 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15625
15626         PR target/69180
15627         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15628         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15629
15630 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15631
15632         PR target/69198
15633         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15634         aligned_mem is properly set for AVX512-VL floating point masked
15635         stores.
15636
15637         PR target/69175
15638         * ifcvt.c (cond_exec_process_if_block): When removing the last
15639         insn from then_bb, remove also any possible barriers that follow it.
15640
15641 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
15642
15643         PR target/68456
15644         PR target/69226
15645         * config/i386/iamcu.h (SIZE_TYPE): New macro.
15646         (PTRDIFF_TYPE): Likewise.
15647         (WCHAR_TYPE): Likewise.
15648         (WCHAR_TYPE_SIZE): Likewise.
15649         (STDINT_LONG32): Likewise.
15650
15651 2016-01-12  Richard Biener  <rguenther@suse.de>
15652
15653         PR tree-optimization/69053
15654         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15655         convert initial value for cond reductions.
15656
15657 2016-01-12  Richard Biener  <rguenther@suse.de>
15658
15659         PR tree-optimization/69007
15660         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15661         widen_sum after dot_prod and sad.
15662
15663 2016-01-12  Richard Biener  <rguenther@suse.de>
15664
15665         PR tree-optimization/69168
15666         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15667         pattern stmt SLP type.
15668         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15669         end up unused so cope with that case.
15670
15671 2016-01-12  Richard Biener  <rguenther@suse.de>
15672
15673         PR tree-optimization/69157
15674         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15675         stmts def type only during analyze phase.
15676         (vectorizable_call): Likewise.
15677         (vectorizable_simd_clone_call): Likewise.
15678         (vectorizable_conversion): Likewise.
15679         (vectorizable_assignment): Likewise.
15680         (vectorizable_shift): Likewise.
15681         (vectorizable_operation): Likewise.
15682         (vectorizable_store): Likewise.
15683         (vectorizable_load): Likewise.
15684
15685 2016-01-12  Richard Biener  <rguenther@suse.de>
15686
15687         PR tree-optimization/69174
15688         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15689         space.
15690         (vectorizable_load): Properly compute the number of loads needed
15691         for permuted strided SLP loads and do not spuriously assign
15692         to SLP_TREE_VEC_STMTS.
15693
15694 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
15695
15696         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15697         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15698         (MD_EXEC_PREFIX): Remove.
15699         (MD_STARTFILE_PREFIX) Removee.
15700         (FILE_NAME_ABSOLUTE_P): Remove.
15701         (CPP_SPEC): Do not read macros from sys/version.h.
15702         (LINK_COMMAND_SPEC): Remove.
15703         (LOCAL_INCLUDE_DIR): Remove.
15704         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15705         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15706         (POST_LINK_SPEC): Define to invoke stubify after linker
15707         (LIBSTDCXX): Remove define
15708         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15709         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15710         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15711         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15712         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15713         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15714         (i386_djgpp_asm_named_section): Add propotype of new procedure
15715
15716         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15717         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15718         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15719         in config/i386/djgpp.h).
15720         (STANDARD_STARTFILE_PREFIX_2): Define identical to
15721         STANDARD_STARTFILE_PREFIX_1.
15722         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15723         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15724         installation errors.
15725         (MAX_OFILE_ALIGNMENT): Define to 128.
15726         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15727
15728         * config/i386/djgpp.c: New file. Add implementation of
15729         i386_djgpp_asm_named_section.
15730
15731         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15732
15733         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15734         Add rule for building djgpp.o.
15735
15736 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15737
15738         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15739         (rtx_is_swappable_p): Reductions are swappable.
15740         (insn_is_swappable_p): V2DF reductions are swappable.
15741
15742 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
15743
15744         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15745         reloads for other unsupported memory operands.
15746
15747 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15748             Jim Wilson  <jim.wilson@linaro.org>
15749
15750         PR target/69194
15751         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15752         copy_to_mode_reg instead of force_reg.
15753
15754 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15755
15756         PR target/69225
15757         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15758         TARGET_80387 is true.
15759
15760 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
15761
15762         PR target/69071
15763         * lra-eliminations.c (move_plus_up): Only move plus up
15764         if subreg of the constant can be simplified into constant
15765         and use the simplified subreg of the constant instead of
15766         the original constant.
15767
15768         * fold-const.c (fold_convertible_p): Don't return true
15769         for conversion of VECTOR_TYPE to same sized integral type.
15770         (fold_convert_loc): Fix up formatting.  Fold conversion of
15771         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15772         instead of NOP_EXPR.
15773
15774         PR tree-optimization/69214
15775         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15776         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15777         Formatting fix.
15778
15779         PR tree-optimization/69207
15780         * tree-vect-slp.c (vect_get_constant_vectors): For
15781         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15782         fold_convertible_p to vector_type's element type, and always
15783         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15784
15785 2016-01-11  Richard Biener  <rguenther@suse.de>
15786
15787         PR tree-optimization/69173
15788         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15789         fixup the cycle if all stmts are in a pattern.
15790
15791 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
15792
15793         PR middle-end/68999
15794         * alias.c (base_alias_check): Move check for addresses with
15795         alignment ANDs before the call for compare_base_decls.
15796         (memrefs_conflict_p): Return -1 for different decls
15797         that went through alignment adjustments.
15798
15799 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15800
15801         PR rtl-optimization/68796
15802         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15803         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15804         and QImode comparisons against zero with CC_NZmode.
15805         * config/aarch64/iterators.md (short_mask): New mode_attr.
15806
15807 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15808
15809         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15810         (<avx512>_store<mode>_mask): Likewise.
15811
15812 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
15813             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15814
15815         PR rtl-optimization/68841
15816         * ifcvt.c (struct noce_if_info): Add orig_x field.
15817         (bbs_ok_for_cmove_arith): Add to_rename parameter.
15818         Don't record conflicts on to_rename if it's present.
15819         Allow memory destinations in sets.
15820         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15821         blocks, passing orig_x to the checks.
15822         (noce_process_if_block): Set if_info->orig_x appropriately.
15823
15824 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15825
15826         PR tree-optimization/69069
15827         * tree-parloops.c (create_parallel_loop): Add missing phi args.
15828
15829 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
15830
15831         PR rtl-optimization/68920
15832         * config/i386/i386.c (ix86_option_override_internal): Restrict number
15833         of conditional moves for  RTL if-conversion to 1 for
15834         TARGET_ONE_IF_CONV_INSN.
15835         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15836         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15837         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15838         parameter to restirct number of conditional moves for
15839         RTL if-conversion.
15840         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15841         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15842         conditionl moves.
15843
15844 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
15845
15846         PR bootstrap/69123
15847         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15848         onepart vars.  Fix typo in comment.  Fix reversed condition in
15849         unshare test.
15850         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15851
15852         PR bootstrap/69123
15853         * var-tracking.c (dump_onepart_variable_differences): New.
15854         (dataflow_set_different): If a detailed dump is requested,
15855         delay early returns and dump differences between onepart
15856         variables present before and after, and added variables.
15857
15858 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
15859
15860         PR target/69010
15861         * expr.c (expand_expr_real_1): For boolean vector constants
15862         with a scalar mode use const_scalar_mask_from_tree.
15863         (const_scalar_mask_from_tree): New.
15864         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15865         assigned to a mask type to handle constants.
15866
15867 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15868
15869         PR ipa/69044
15870         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15871         useless parameters if we cannot change function signature.
15872
15873 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15874
15875         PR ipa/66616
15876         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15877         flag.
15878
15879 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15880
15881         PR tree-optimization/69109
15882         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15883         latch with phi.
15884
15885 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15886
15887         PR tree-optimization/69108
15888         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15889         res is not used in a phi.
15890
15891 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
15892
15893         PR 67425
15894         * common.opt (frandom-seed): Fix parameter name.
15895         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15896
15897 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15898
15899         PR tree-optimization/69058
15900         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15901         not supported.
15902
15903 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
15904
15905         * config/arc/arc.opt (mdiv-rem): Add period to the end.
15906         (mcode-density): Likewise.
15907
15908 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15909
15910         PR tree-optimization/69062
15911         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15912         (parallelize_loops): Don't paralelize loop that has phi with address
15913         arg.
15914
15915 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15916
15917         PR tree-optimization/69039
15918         * tree-parloops.c (try_create_reduction_list): Only allow single exit
15919         phi for reduction.
15920
15921 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
15922
15923         PR middle-end/68743
15924         * match.pd: Require target has function_c99_misc before doing
15925         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15926
15927 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
15928
15929         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15930         use GMPINC.
15931         * configure: Regenerate.
15932
15933 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
15934
15935         PR middle-end/50865
15936         PR tree-optimization/69097
15937         * fold-const.h (expr_not_equal_to): New prototype.
15938         * fold-const.c: Include stringpool.h and tree-ssanames.h.
15939         (expr_not_equal_to): New function.
15940         * match.pd (X % -Y is the same as X % Y): Don't optimize
15941         unless X is known not to be equal to minimum or Y is known
15942         not to be equal to -1.
15943         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15944         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15945         (simplify_stmt_using_ranges): Adjust caller.
15946         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15947         substitute_and_fold.
15948
15949 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
15950
15951         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15952         w/o DECL_NAME.
15953
15954 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15955
15956         PR tree-optimization/69167
15957         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15958         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15959         ops[0] comparison.
15960         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15961
15962 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15963             Richard Biener  <rguenther@suse.de>
15964
15965         PR tree-optimization/68707
15966         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15967         instances that can be handled via vect_load_lanes.
15968
15969 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
15970
15971         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15972         if we can't determine address equivalence.
15973         * alias.c (compare_base_decl): Update for changed return value of
15974         symtab_node::equal_address_to.
15975
15976 2016-01-08  Jason Merrill  <jason@redhat.com>
15977
15978         PR c++/68983
15979         PR c++/67557
15980         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15981         * expr.c (store_field): Not here.
15982         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15983         call with TREE_ADDRESSABLE type.
15984         * tree-cfg.c (verify_gimple_call): Adjust.
15985
15986 2016-01-08  Olivier Hainque  <hainque@adacore.com>
15987
15988         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
15989         libc_internal.
15990
15991 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15992
15993         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
15994         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
15995         (reduc_smin_v2sf): Rename to...
15996         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
15997         (reduc_splus_v2sf): Rename to...
15998         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
15999
16000 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16001
16002         PR tree-optimization/69162
16003         * gimplify.c (gimplify_va_arg_expr): Encode original type of
16004         valist argument in another argument.
16005         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
16006         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
16007         to determine the va_list type, build a MEM_REF instead of
16008         build_fold_indirect_ref.
16009
16010         PR tree-optimization/69172
16011         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
16012         gimple_build.
16013
16014 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16015
16016         PR tree-optimization/67781
16017         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
16018         and cmpnop in two steps: first the ones not accessed in original
16019         gimple expression in a endian independent way and then the ones not
16020         accessed in the final result in an endian-specific way.
16021
16022 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
16023
16024         PR tree-optimization/69083
16025         * tree-vect-slp.c (vect_get_constant_vectors): For
16026         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
16027         element type.  If op is fold_convertible_p to vector_type's element
16028         type, use NOP_EXPR instead of VCE.
16029
16030 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
16031
16032         PR rtl-optimization/67778
16033         PR rtl-optimization/68634
16034         PR rtl-optimization/68909
16035         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
16036         block from the stack until done with it.  Remove a superfluous
16037         bitmap set.  Remove a superfluous bitmap test.
16038
16039 2016-01-07  Martin Sebor  <msebor@redhat.com>
16040
16041         PR c/68966
16042         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
16043         constraint on the type of arguments.
16044
16045 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
16046
16047         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
16048         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
16049         unaligned_access on the gcc_options set.
16050         * config/arm/arm.c (arm_option_override_internal): Use
16051         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
16052
16053 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16054
16055         PR target/69140
16056         * config/i386/i386.c (ix86_frame_pointer_required): Enable
16057         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
16058
16059 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
16060
16061         Revert
16062         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16063
16064         PR target/69140
16065         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16066         depending on frame_pointer_needed before remaining integer and SSE
16067         registers are saved.
16068
16069 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
16070
16071         PR 1078
16072         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
16073
16074 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
16075
16076         PR target/69171
16077         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
16078         Use the "xBm" constraint.
16079         (float<sseintvecmodelower><mode>2<mask_name><round_name):
16080         Likewise.
16081         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
16082         (sse_cvtsi2ssq<round_name>): Likewise.
16083         (sse_cvtss2si<round_name>): Likewise.
16084         (sse_cvtss2siq<round_name>): Likewise.
16085         (sse2_cvtsi2sdq<round_name>): Likewise.
16086         (sse2_cvtsd2si<round_name>): Likewise.
16087         (sse2_cvtsd2siq<round_name>): Likewise.
16088         * config/i386/subst.md (round_nimm_scalar_predicate): New
16089         predicate.
16090
16091 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
16092
16093         PR middle-end/67639
16094         * varasm.c (make_decl_rtl): Mark invalid register vars as
16095         DECL_EXTERNAL.
16096
16097         PR rtl-optimization/66206
16098         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
16099         All callers changed.
16100
16101 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
16102
16103         PR tree-optimization/69141
16104         * tree-ssa-pre.c: Include langhooks.h.
16105         (eliminate_dom_walker::before_dom_children): Use
16106         lang_hooks.decl_printable_name instead of
16107         cgraph_node::get ()->name ().
16108
16109         PR middle-end/68960
16110         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
16111         it and DECL_ALIGN too.
16112
16113 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
16114
16115         * config/mips/mips-ftypes.def: Sort to lexicographical order.
16116
16117 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16118
16119         PR target/69140
16120         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16121         depending on frame_pointer_needed before remaining integer and SSE
16122         registers are saved.
16123
16124 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16125
16126         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
16127         mode iterator with VSX_M2.
16128         (*p9_vecstore_<mode>): Likewise.
16129         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
16130         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
16131         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
16132         (define_split for VSX_LE128 stores): Likewise.
16133         (define_peephole2 for TImode LE swaps): Likewise.
16134         (define_split for VSX_LE128 post-reload stores): Likewise.
16135
16136 2016-01-06  Marek Polacek  <polacek@redhat.com>
16137
16138         PR sanitizer/69099
16139         * convert.c (convert_to_integer_1): Adjust call to
16140         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
16141         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
16142         EXPR instead of ARG.
16143         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
16144
16145 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16146
16147         PR 1078
16148         * doc/extend.texi (RL78 Variable Attributes): New section.
16149
16150 2016-01-05  Marek Polacek  <polacek@redhat.com>
16151
16152         PR c/69104
16153         * builtins.c (get_memmodel): Use expansion point location rather than
16154         the input location.  Call warning_at rather than warning.
16155         (expand_builtin_atomic_compare_exchange): Likewise.
16156         (expand_builtin_atomic_load): Likewise.
16157         (expand_builtin_atomic_store): Likewise.
16158         (expand_builtin_atomic_clear): Likewise.
16159
16160 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16161
16162         PR target/68991
16163         * config/i386/i386.c (ix86_expand_vector_logical_operator):
16164         Replace nonimmediate_operand with vector_operand.
16165         * config/i386/predicates.md (vector_operand): New predicate.
16166         (general_vector_operand): Replace nonimmediate_operand with
16167         vector_operand.
16168         * config/i386/sse.md: Replace nonimmediate_operand with
16169         vector_operand and m constraint with Bm constraint on SSE
16170         patterns with 16-byte memory operand.
16171         * config/i386/subst.md (round_nimm_predicate): Replace
16172         nonimmediate_operand with vector_operand.
16173         (round_saeonly_nimm_predicate): Likewise.
16174         (round_saeonly_nimm_scalar_predicate): New.
16175
16176 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16177
16178         PR target/68991
16179         * config/i386/constraints.md (Bm): New constraint.
16180         * config/i386/predicates.md (vector_memory_operand): New
16181         predicate.
16182         * config/i386/sse.md: Replace xm with xBm in plusminus and
16183         any_logic patterns.
16184
16185 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16186
16187         PR 1078
16188         * doc/extend.texi (V850 Function Attributes): New section.
16189         (V850 Variable Attributes): New section.
16190
16191 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16192
16193         PR 1078
16194         * doc/extend.texi (MicroBlaze Function Attributes): Document
16195         interrupt_handler and fast_interrupt attributes.
16196
16197 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16198
16199         PR other/60465
16200         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16201         for local symbolic operands.
16202         * config/ia64/predicates.md (local_symbolic_operand64): New
16203         predicate.
16204
16205 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16206
16207         PR rtl-optimization/68651
16208         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16209         x << 1.
16210
16211 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16212
16213         * alias.c (compare_base_decls): Use symtab_node::get.
16214
16215 2016-01-05  Nick Clifton  <nickc@redhat.com>
16216
16217         PR target/68770
16218         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16219         secondary_reload_info structure.
16220
16221         PR target/66655
16222         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16223         decls if weak support is available.
16224
16225 2016-01-04  Martin Sebor  <msebor@redhat.com>
16226
16227         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16228
16229 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16230
16231         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16232         OPTION_MASK_P9_DFORM.
16233
16234         * config/rs6000/constraints.md (wo constraint): New constraint for
16235         ISA 3.0 (power9).
16236
16237         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16238         for wo constraint.
16239         (rs6000_init_hard_regno_mode_ok): Likewise.
16240
16241         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16242         wo constraint.
16243
16244         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16245         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16246         instruction.  Add support for fusing xxlor with xxperm.
16247         (altivec_vperm_<mode>_internal): Likewise.
16248         (altivec_vperm_v8hiv16qi): Likewise.
16249         (altivec_vperm_<mode>v16q): Likewise.
16250         (altivec_vperm_<mode>_uns): Likewise.
16251         (vperm_v8hiv4si): Likewise.
16252         (vperm_v16qiv8hi): Likewise.
16253
16254         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16255
16256 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16257
16258         Update copyright years.
16259
16260         * gcc.c (process_command): Update copyright notice dates.
16261         * gcov-dump.c (print_version): Ditto.
16262         * gcov.c (print_version): Ditto.
16263         * gcov-tool.c (print_version): Ditto.
16264         * gengtype.c (create_file): Ditto.
16265         * doc/cpp.texi: Bump @copying's copyright year.
16266         * doc/cppinternals.texi: Ditto.
16267         * doc/gcc.texi: Ditto.
16268         * doc/gccint.texi: Ditto.
16269         * doc/gcov.texi: Ditto.
16270         * doc/install.texi: Ditto.
16271         * doc/invoke.texi: Ditto.
16272
16273 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16274
16275         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16276         modes larger than TImode as TImode if NEON is not enabled.
16277
16278 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16279
16280         PR target/69100
16281         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16282         mode for %f0-%f31 only if TARGET_FPU.
16283
16284 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16285
16286         PR target/69072
16287         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16288         to compute the PACKED_P predicate.
16289         (function_arg_record_value): Minor tweaks.
16290
16291 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16292
16293         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16294         option for arm*-*-* targets.
16295
16296 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16297
16298         * doc/extend.texi (Common Function Attributes): Move docs for
16299         MSP430-specific attributes to....
16300         (MSP430 Function Attributes): ...here.  Delete the redundant
16301         entries and copy-edit the remaining text.
16302         (MSP430 Variable Attributes): Use uniform format for index
16303         entries and add a cross-reference to the corresponding function
16304         attribute docs.
16305
16306 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16307
16308         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16309         -finite-math typo.
16310         (x86 Options): Likewise.
16311
16312 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16313
16314         PR 1078
16315
16316         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16317         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16318         to corresponding attribute.
16319
16320 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16321
16322         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16323         to correct alphabetization of table.  Copy-edit and correct
16324         markup.
16325         <stack_protect>: Likewise.
16326         <target_clones>: Likewise.
16327         <simd>: Likewise.
16328         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16329         Correct punctuation.
16330         (Code Gen Options) <-fno-plt>: Copy-edit.
16331
16332 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16333
16334         PR target/68917
16335         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16336         SI values.  Explicitly convert SI to DI and vice-versa.
16337
16338 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16339
16340         PR tree-optimization/69070
16341         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16342         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16343
16344         PR sanitizer/69055
16345         * ubsan.c (ubsan_instrument_float_cast): Call
16346         initialize_sanitizer_builtins.
16347
16348         PR target/69015
16349         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16350 \f
16351 Copyright (C) 2016 Free Software Foundation, Inc.
16352
16353 Copying and distribution of this file, with or without modification,
16354 are permitted in any medium without royalty provided the copyright
16355 notice and this notice are preserved.