gcc/ChangeLog

   1 2016-06-22  Bernd Edlinger  <bernd.edlinger@hotmail.de>
   2
   3         * config/i386/i386.c (print_reg): Emit an error message on attempt to
   4         print FLAGS_REG.
   5
   6 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
   7
   8         * config/arm/arm.c (arm_cortex_a73_tune): New struct.
   9         * config/arm/arm-cores.def (cortex-a73): New entry.
  10         (cortex-a73.cortex-a35): Likewise.
  11         (cortex-a73.cortex-a53): Likewise.
  12         * config/arm/arm-tables.opt: Regenerate.
  13         * config/arm/arm-tune.md: Likewise.
  14         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle mcpu=cortex-a73,
  15         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
  16         * config/arm/t-aprofile: Handle mcpu=cortex-a73,
  17         mcpu=cortex-a73.cortex-a35 and mcpu=cortex-a73.cortex-a53.
  18         * doc/invoke.texi (ARM Options): Document cortex-a73,
  19         cortex-a73.cortex-a35 and cortex-a73.cortex-a53.
  20
  21 2016-06-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  22
  23         * config/aarch64/aarch64.c (cortexa73_tunings): New struct.
  24         * config/aarch64/aarch64-cores.def (cortex-a73): New entry.
  25         (cortex-a73.cortex-a35): Likewise.
  26         (cortex-a73.cortex-a53): Likewise.
  27         * config/aarch64/aarch64-tune.md: Regenerate.
  28         * doc/invoke.texi (AArch64 Options): Document cortex-a73,
  29         cortex-a73.cortex-a35 and cortex-a73.cortex-a53 arguments to
  30         -mcpu and -mtune.
  31
  32 2016-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  33
  34         * configure.ac (gcc_cv_as_compress_debug): Remove
  35         --compress-debug-sections as extra as switch.
  36         Handle gas --compress-debug-sections=type.
  37         (gcc_cv_ld_compess_debug): Remove bogus ld_date check.
  38         Handle gld --compress-debug-sections=type.
  39         * configure: Regenerate.
  40
  41 2016-06-21  Andrew Burgess  <andrew.burgess@embecosm.com>
  42
  43         * bb-reorder.c (pass_partition_blocks::gate): Update comment.
  44
  45 2016-06-21  John David Anglin  <danglin@gcc.gnu.org>
  46
  47         * gcov-tool.c (profile_rewrite): Use int64_t instead of long long.
  48         (do_rewrite): likewise.
  49
  50 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  51
  52         * common/config/mep/mep-common.c: Remove.
  53         * config.gcc: Remove mep-* support.
  54         * config/mep/constraints.md: Remove.
  55         * config/mep/default.h: Remove.
  56         * config/mep/intrinsics.h: Remove.
  57         * config/mep/intrinsics.md: Remove.
  58         * config/mep/ivc2-template.h: Remove.
  59         * config/mep/mep-c5.cpu: Remove.
  60         * config/mep/mep-core.cpu: Remove.
  61         * config/mep/mep-default.cpu: Remove.
  62         * config/mep/mep-ext-cop.cpu: Remove.
  63         * config/mep/mep-intrin.h: Remove.
  64         * config/mep/mep-ivc2.cpu: Remove.
  65         * config/mep/mep-pragma.c: Remove.
  66         * config/mep/mep-protos.h: Remove.
  67         * config/mep/mep.c: Remove.
  68         * config/mep/mep.cpu: Remove.
  69         * config/mep/mep.h: Remove.
  70         * config/mep/mep.md: Remove.
  71         * config/mep/mep.opt: Remove.
  72         * config/mep/predicates.md: Remove.
  73         * config/mep/t-mep: Remove.
  74         * doc/install.texi: Remove mep-* documentation.
  75         * doc/md.texi: Likewise.
  76
  77 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  78
  79         * config.gcc: Remove support for avr-rtems.
  80         * config/avr/gen-avr-mmcu-specs.c: Likewise.
  81         * config/avr/rtems.h: Remove.
  82         * config/avr/t-rtems: Remove.
  83
  84 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  85
  86         * config.gcc: Remove m32r-rtems support.
  87         * config/m32r/rtems.h: Remove.
  88
  89 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  90
  91         * config.gcc: Remove h8300-rtems support.
  92         * config/h8300/rtems.h: Remove.
  93         * config/h8300/t-rtems: Remove.
  94
  95 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
  96
  97         * config.gcc: Remove support for knetbsd.
  98         * configure.ac: Likewise.
  99         * config/i386/knetbsd-gnu.h: Remove.  * config/i386/knetbsd-gnu64.h: Remove.
 100         * config/knetbsd-gnu.h: Remove.
 101         * configure: Regenerate.
 102
 103 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 104
 105         * config.gcc: Remove support for openbsd 2 and 3.
 106         * config/openbsd-oldgas.h: Remove.
 107
 108 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 109
 110         * config.gcc: Remove interix support.
 111         * config/i386/i386-interix.h: Remove.
 112         * config/i386/interix.opt: Remove.
 113         * config/i386/t-interix: Remove.
 114         * configure: Regenerate.
 115         * configure.ac: Remove interix support.
 116         * doc/install.texi: Remove interix documentation.
 117
 118 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 119
 120         * config/rs6000/rs6000.h: Add conditional preprocessing directives
 121         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
 122         not defined.
 123
 124 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 125
 126         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
 127         they are both PLACEHOLDER_EXPRs.
 128
 129 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
 130
 131         * stor-layout.c (layout_type): Move setting complex MODE to
 132         layout_type, instead of setting it ahead of time by the caller.
 133         * tree.c (build_complex_type): Likewise.
 134
 135 2016-06-21  Martin Liska  <mliska@suse.cz>
 136
 137         * predict.c (force_edge_cold): Replace imposisble with
 138         impossible.
 139
 140 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 141
 142         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
 143         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
 144
 145 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
 146
 147         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
 148
 149 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
 150             Ilya Enkovich  <ilya.enkovich@intel.com>
 151
 152         PR target/71549
 153         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
 154         New member function to convert V1TImode register to SUBREG
 155         TImode in debug insn.
 156         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
 157         after changing register mode to V1TImode.
 158
 159 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
 160
 161         * config/aarch64/aarch64-cores.def (vulcan): New core.
 162         * config/aarch64/aarch64-tune.md: Regenerate.
 163         * doc/invoke.texi: Document vulcan as an available option.
 164
 165 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
 166
 167         * cse.c (canon_asm_operands): New function extracted from...
 168         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
 169         either standalone or member of a PARALLEL.
 170
 171 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 172
 173         PR target/30417
 174         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
 175         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
 176         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
 177
 178 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 179
 180         PR target/71103
 181         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
 182         constant addresses if can_create_pseudo_p.
 183
 184 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
 185
 186         PR tree-optimization/71588
 187         * tree-ssa-strlen.c (valid_builtin_call): New function.
 188         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
 189         it.
 190
 191 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 192
 193         PR middle-end/71581
 194         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
 195         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
 196         for conversion of scalar user var to complex type and use the
 197         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
 198         punt.
 199
 200         PR rtl-optimization/71591
 201         * toplev.c (toplev::run_self_tests): If no_backend, complain and
 202         don't run any tests.
 203
 204 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 205
 206         PR target/71571
 207         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
 208         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
 209         space for PIC with non-v32 and the common non-PIC "jump".
 210
 211 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 212
 213         PR target/71559
 214         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
 215         returned values and add UN*/LTGT/*ORDERED cases with values matching
 216         D operand modifier on vcmp for AVX.
 217
 218 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 219
 220         * config/aarch64/aarch64.opt
 221         (mpc-relative-literal-loads): Rename internal option name.
 222         * config/aarch64/aarch64.c
 223         (aarch64_nopcrelative_literal_loads): Rename to
 224         aarch64_pcrelative_literal_loads.
 225         (aarch64_expand_mov_immediate): Likewise.
 226         (aarch64_secondary_reload): Likewise.
 227         (aarch64_can_use_per_function_literal_pools_p): Likewise.
 228         (aarch64_override_options_after_change_1): Rename and simplify logic.
 229         (aarch64_classify_symbol): Merge large model checks into switch,
 230         remove pc-relative load check.
 231
 232 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 233
 234         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
 235         costs relative to the cost of a register move.
 236
 237 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 238
 239         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 240         (vcvt_n_f64_u64): Likewise.
 241         (vcvt_n_s64_f64): Likewise.
 242         (vcvt_n_u64_f64): Likewise.
 243         (vcvt_f64_s64): Likewise.
 244         (vrecpe_f64): Likewise.
 245         (vcvt_f64_u64): Likewise.
 246         (vrecps_f64): Likewise.
 247
 248 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 249
 250         * config/aarch64/aarch64.md
 251         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
 252         iterators.
 253         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
 254         attributes.
 255         * config/aarch64/aarch64-builtins.c
 256         (aarch64_types_binop_uss_qualifiers): Delete.
 257         (TYPES_BINOP_USS): Likewise.
 258         (aarch64_types_binop_sus_qualifiers): Likewise.
 259         (TYPES_BINOP_SUS): Likewise.
 260         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
 261         (TYPES_FCVTIMM_SUS): Likewise.
 262         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
 263         rather than BINOP.
 264         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
 265         (fcvtzs): Use SHIFTIMM rather than BINOP.
 266         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
 267
 268 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 269
 270         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
 271         costs relative to the cost of a register move.
 272
 273 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 274
 275         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
 276         Allow scalar/single vector modes to be tieable.
 277
 278 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 279
 280         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
 281
 282 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 283
 284         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
 285         "alignement".
 286         * tree.h (TYPE_ALIGN): Likewise.
 287
 288 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 289
 290         PR target/71103
 291         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
 292
 293 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 294
 295         * config/avr/avr.c (avr_print_operand): Fix "format not a string
 296         literal" build warnings.
 297         (avr_print_operand_address): Dito.
 298
 299 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
 300
 301         PR target/71375
 302         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
 303         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
 304
 305 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
 306
 307         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
 308
 309 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 310
 311         PR bootstrap/71435
 312         * reload1.c (reload): Pass 0 to finish_spills when called because
 313         update_eliminables_and_spill returns true and remove did_spill.
 314         (finish_spills): Adjust comment and document GLOBAL parameter.
 315
 316 2016-06-17  DJ Delorie  <dj@redhat.com>
 317
 318         PR target/71338
 319         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
 320         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
 321         (umulqihi3_virt): Likewise.
 322         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
 323         (umulqihi3_real): Likewise.
 324
 325 2016-06-17  Martin Liska  <mliska@suse.cz>
 326
 327         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
 328
 329 2016-06-17  Martin Liska  <mliska@suse.cz>
 330
 331         * predict.def: PRED_LOOP_EXIT from 92 to 85.
 332
 333 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
 334
 335         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
 336         __FAST_MATH__.
 337         (vaddq_f32): Likewise.
 338         (vmul_f32): Likewise.
 339         (vmulq_f32): Likewise.
 340         (vsub_f32): Likewise.
 341         (vsubq_f32): Likewise.
 342
 343 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 344
 345         PR tree-optimization/71347
 346         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
 347         cost for all uses in group.
 348
 349 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
 350
 351         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
 352         insert gimple seq if it's not empty.
 353
 354 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 355
 356         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
 357         member OFFSET.
 358         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
 359         rather than OFFSET.
 360         (comp_dr_with_seg_len_pair): Ditto.
 361         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
 362         struct dr_with_seg_len_pair against DR_OFFSET.
 363         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
 364         DR_OFFSET directly.
 365
 366 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 367
 368         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
 369
 370 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
 371
 372         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
 373         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
 374         (pa_output_millicode_call): Likewise.
 375         (pa_output_call): Likewise.
 376         (pa_output_indirect_call): Likewise.
 377         (pa_asm_output_mi_thunk): Likewise.
 378
 379 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 380
 381         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
 382
 383 2016-06-16  Martin Liska  <mliska@suse.cz>
 384
 385         * predict.c (combine_predictions_for_insn): When we find a first
 386         match predictor, we should consider just predictors with
 387         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
 388         DS theory predictor.
 389         (combine_predictions_for_bb): Likewise.
 390
 391 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 392
 393         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
 394         with base of reference to struct.
 395
 396 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 397
 398         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
 399
 400 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 401
 402         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
 403         progmem_swtable_section.
 404         (progmem_swtable_section): Remove.
 405         (avr_asm_function_rodata_section): Remove.
 406         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 407         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
 408
 409 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
 410
 411         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 412         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
 413         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
 414         signature_CENTAUR_ebx.
 415         * config/i386/i386.c (ix86_option_override_internal): Add
 416         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
 417         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
 418         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
 419
 420 2016-06-16  Martin Liska  <mliska@suse.cz>
 421
 422         * predict.def: Add fortran loop preheader predictor.
 423         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
 424         fold IFN_BUILTIN_EXPECT with a known constant argument.
 425
 426 2016-06-16  Martin Liska  <mliska@suse.cz>
 427
 428         * predict.def: Add 'Fortran' to display text of all
 429         PRED_FORTRAN_* predictors.
 430
 431 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 432
 433         PR target/71242
 434         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
 435         [IA64_BUILTIN_NANSQ]: Ditto.
 436         (ia64_fold_builtin): New function.
 437         (TARGET_FOLD_BUILTIN): New define.
 438         (ia64_init_builtins) Declare const_string_type node.
 439         Add __builtin_nanq and __builtin_nansq builtin functions.
 440         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
 441
 442 2016-06-16  Nick Clifton  <nickc@redhat.com>
 443
 444         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
 445         MSP430_HWMULT_ prefix to enum values.
 446         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
 447         * config/msp430/msp430.c: Update use of enum values.
 448         * config/msp430/msp430.md: Likewise.
 449         * config/msp430/msp430.opt: Likewise.
 450
 451 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
 452
 453         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
 454         of comparsions in the last iteration.
 455
 456 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 457             Joern Rennecke  <joern.rennecke@embecosm.com>
 458
 459         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
 460         addresses.
 461         (arc_needs_pcl_p): Add GOTOFFPC.
 462         (arc_legitimate_pic_addr_p): Likewise.
 463         (arc_output_pic_addr_const): Likewise.
 464         (arc_legitimize_pic_address): Generate a pc-relative address using
 465         GOTOFFPC.
 466         (arc_output_libcall): Use @pcl syntax.
 467         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
 468         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
 469         (*movsi_insn): Use @pcl syntax.
 470         (doloop_begin_i): Likewise.
 471
 472 2016-06-16  Martin Liska  <mliska@suse.cz>
 473
 474         * predict.def: Define a new predictor.
 475
 476 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 477
 478         * config/arc/arc.opt (mtp-regno): Update text.
 479
 480 2016-06-16  Renlin Li  <renlin.li@arm.com>
 481
 482         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
 483
 484 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 485
 486         PR target/71554
 487         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
 488         (setcc + and peephole2): Likewise.
 489
 490         PR rtl-optimization/71532
 491         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
 492         memory slots.
 493
 494 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 495
 496         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
 497         DImode constants with XXSPLTIB in vector registers.
 498         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
 499         vsx_extract_<mode>_internal{1,2} into a single insn that handles
 500         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
 501         extraction of the element at the top of the register as a scalar
 502         value.
 503         (vsx_extract_<mode>_internal1): Likewise.
 504         (vsx_extract_<mode>_internal2): Likewise.
 505         * config/rs6000/constraints.md (wi constraint): Remove a comment
 506         about DImode not being allowed in Altivec registers.
 507         (wB constraint): New constraint for constants that can be
 508         generated in Altivec registers with VSPLTISW/VUPKHSW.
 509         * config/rs6000/predicates.md (xxspltib_constant_split): Update
 510         comments.
 511         (xxspltib_constant_nosplit): Likewise.
 512         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
 513         support for -mupper-regs-di to enable DImode to go into Altivec
 514         registers.
 515         (POWERPC_MASKS): Likewise.
 516         (power7 cpu): Likewise.
 517         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
 518         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
 519         for DImode being allowed in Altivec registers.  Update wi/wj
 520         constraints.  Set scalar_in_vmx_p flag.
 521         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
 522         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
 523         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
 524         (rs6000_opt_masks): Add -mupper-regs-di.
 525         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
 526         direct move to use wi and not wj.
 527         (lfiwzx): Likewise.
 528         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
 529         alternative.
 530         (floatunssi<mode>2_lfiwzx_mem): Likewise.
 531         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
 532         any VSX register, instead of just Altivec registers, to allow
 533         either operand to be an Altivec register or both.
 534         (fixuns_trunc<mode>di2_fctiduz): Likewise.
 535         (movdi_internal32): Add support for -mupper-regs-di.  Add support
 536         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
 537         the alternatives and attributes to be lined up to be easier to
 538         read.
 539         (movdi_internal64): Likewise.
 540         (64-bit DImode splitters): Change predicates to only split loading
 541         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
 542         load constants in ISA 3.0 or ISA 2.07 respectively.
 543         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
 544         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
 545         mention -mcpu=power9 sets these options.
 546         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
 547         wB constraint.
 548
 549 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
 550
 551         PR target/67353
 552         * config/avr/avr.c (avr_set_current_function): Warn misspelled
 553         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
 554         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
 555         by default to warn misspelled interrupt/ signal handler.
 556         * doc/invoke.texi (AVR Options): Document it. Update description
 557         for -nodevicelib option.
 558
 559 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 560
 561         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
 562         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
 563         (aarch64_<sur>shll2_n<mode>): Likewise.
 564
 565 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
 566
 567         PR middle-end/71529
 568         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
 569         DECL_CONTEXT for copied arguments.
 570
 571 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 572
 573         PR tree-optimization/71483
 574         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
 575         for slp
 576
 577 2016-06-15  Martin Liska  <mliska@suse.cz>
 578
 579         * predict.c (tree_predict_by_opcode): Call predict_edge_def
 580         instead of predict_edge w/o a probability.
 581
 582 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 583
 584         PR tree-optimization/71439
 585         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
 586         live PHIs.
 587
 588 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 589
 590         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
 591         register subregs in SET_SRC.
 592
 593 2016-06-15  Richard Biener  <rguenther@suse.de>
 594
 595         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
 596         store restrictions.
 597
 598 2016-06-15  Richard Biener  <rguenther@suse.de>
 599
 600         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
 601         not consider dependences between accesses that belong to the
 602         same group.
 603         (vect_analyze_data_ref_dependences): Do not analyze read-read
 604         or self-dependences.
 605
 606 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 607
 608         * spellcheck-tree.c: Include spellcheck-tree.h rather than
 609         spellcheck.h.
 610         (find_closest_identifier): Reimplement in terms of
 611         best_match<tree,tree>.
 612         * spellcheck-tree.h: New file.
 613         * spellcheck.c (struct edit_distance_traits<const char *>): New
 614         struct.
 615         (find_closest_string): Reimplement in terms of
 616         best_match<const char *, const char *>.
 617         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
 618         overload to spellcheck-tree.h.
 619         (find_closest_identifier): Likewise.
 620         (struct edit_distance_traits<T>): New template.
 621         (class best_match): New class.
 622
 623 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 624
 625         * selftest-run-tests.c (selftest::run_tests): Call
 626         selftest::spellcheck_tree_c_tests.
 627         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
 628         * spellcheck-tree.c: Include selftest.h and stringpool.h.
 629         (selftest::test_find_closest_identifier): New function.
 630         (selftest::spellcheck_tree_c_tests): New function.
 631         * spellcheck.c (selftest::test_find_closest_string): Verify that
 632         the order of the vec does not affect the results for this case.
 633         (selftest::test_data): New array.
 634         (selftest::test_metric_conditions): New function.
 635         (selftest::spellcheck_c_tests): Add a test of case-comparison.
 636         Call selftest::test_metric_conditions.
 637
 638 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 639
 640         * config/rs6000/rs6000-builtin.def (commentary): Typo.
 641         (BU_P9_MISC_1): Likewise.
 642         (BU_P9_64BIT_MISC_0): Likewise.
 643         (BU_P9_MISC_0): Likewise.
 644
 645 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 646
 647         * gcc-rich-location.c
 648         (gcc_rich_location::add_fixit_misspelled_id): New method.
 649         * gcc-rich-location.h
 650         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
 651
 652 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
 653
 654         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
 655         FreeBSD 11 and above.
 656
 657 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
 658
 659         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
 660
 661 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 662
 663         * expmed.h: Close parenthesis in "at your option" in copyright
 664         boilerplate.
 665         * lower-subreg.h: Likewise.
 666
 667 2016-06-14  Richard Biener  <rguenther@suse.de>
 668
 669         PR middle-end/71526
 670         * genmatch.c (expr::gen_transform): Use in_type for comparisons
 671         if available.
 672
 673 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 674
 675         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
 676         New function.
 677         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
 678         mask+shift version.
 679         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
 680         New prototype.
 681         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
 682         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
 683
 684 2016-06-14  Richard Biener  <rguenther@suse.de>
 685
 686         PR tree-optimization/71522
 687         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
 688         copying into float copying.
 689
 690 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
 691
 692         PR tree-optimization/71520
 693         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
 694         (replace_block_by): Move user labels from bb1 to bb2.
 695
 696 2016-06-14  Richard Biener  <rguenther@suse.de>
 697
 698         PR middle-end/71310
 699         PR bootstrap/71510
 700         * expr.h (get_bit_range): Declare.
 701         * expr.c (get_bit_range): Export.
 702         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
 703         word_mode again to constrain the bitfield access.
 704
 705 2016-06-14  Richard Biener  <rguenther@suse.de>
 706
 707         PR tree-optimization/71521
 708         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
 709         division int_const_binop against zero divisor.
 710
 711 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 712
 713         * config/i386/i386.md (signbittf2): New expander.
 714         * config/i386/sse.md (ptesttf2): New insn pattern.
 715
 716 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 717
 718         PR bootstrap/71481
 719         * input.c (selftest::test_reading_source_line): Avoid reading from
 720         __FILE__ by creating a tempfile with known content and reading
 721         from that instead.
 722
 723 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 724
 725         * pretty-print.c (assert_pp_format_colored): Skip the test if
 726         GCC_COLORS is set.
 727         (test_pp_format): Remove comment about GCC_COLORS.
 728
 729 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 730
 731         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
 732         * pretty-print.c (assert_pp_format_va): Add location param and use
 733         it with ASSERT_STREQ_AT.
 734         (assert_pp_format): Add location param and pass it to
 735         assert_pp_format_va.
 736         (assert_pp_format_colored): Likewise.
 737         (ASSERT_PP_FORMAT_1): New.
 738         (ASSERT_PP_FORMAT_2): New.
 739         (ASSERT_PP_FORMAT_3): New.
 740         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
 741         explicitly, or implicitly via the above macros.
 742         * selftest.c (selftest::pass): Use a selftest::location rather
 743         than file and line.
 744         (selftest::fail): Likewise.  Print the function name.
 745         (selftest::fail_formatted): Likewise.
 746         (selftest::assert_streq): Use a selftest::location rather than
 747         file and line.
 748         * selftest.h (selftest::location): New struct.
 749         (SELFTEST_LOCATION): New macro.
 750         (selftest::pass): Accept a const location & rather than file
 751         and line.
 752         (selftest::fail): Likewise.
 753         (selftest::fail_formatted): Likewise.
 754         (selftest::assert_streq): Likewise.
 755         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
 756         (ASSERT_FALSE): Likewise.
 757         (ASSERT_EQ): Likewise.
 758         (ASSERT_NE): Likewise.
 759         (ASSERT_STREQ): Likewise.
 760         (ASSERT_PRED1): Likewise.
 761         (ASSERT_STREQ_AT): New macro.
 762
 763 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 764
 765         * selftest.c (selftest::fail_formatted): New function.
 766         (selftest::assert_streq): New function.
 767         * selftest.h (selftests::fail_formatted): New decl.
 768         (selftest::assert_streq): New decl.
 769         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
 770
 771 2016-06-13  Jeff Law  <law@redhat.com>
 772
 773         PR tree-optimization/71403
 774         * tree-ssa-threadbackward.c
 775         (convert_and_register_jump_thread_path): No longer accept reference
 776         to path.  Do not pop items off the path anymore.
 777         (fsm_find_control_statement_thread_paths): Do not allow threading
 778         to a deeper loop nest.  Pop the last item off the path here rather
 779         than in convert_and_register_jump_thread_path.
 780
 781 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 782             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
 783
 784         [AArch64] Emit division using the Newton series
 785
 786         * config/aarch64/aarch64-protos.h
 787         (cpu_approx_modes): Add new member "division".
 788         (aarch64_emit_approx_div): Declare new function.
 789         * config/aarch64/aarch64.c
 790         (generic_approx_modes): New member "division".
 791         (exynosm1_approx_modes): Likewise.
 792         (xgene1_approx_modes): Likewise.
 793         (aarch64_emit_approx_div): Define new function.
 794         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
 795         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
 796         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
 797         * doc/invoke.texi (-mlow-precision-div): Describe new option.
 798
 799 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 800             Wilco Dijkstra  <wilco.dijkstra@arm.com>
 801
 802         [AArch64] Emit square root using the Newton series
 803
 804         * config/aarch64/aarch64-protos.h
 805         (aarch64_emit_approx_rsqrt): Replace with new function
 806         "aarch64_emit_approx_sqrt".
 807         (cpu_approx_modes): New member "sqrt".
 808         * config/aarch64/aarch64.c
 809         (generic_approx_modes): New member "sqrt".
 810         (exynosm1_approx_modes): Likewise.
 811         (xgene1_approx_modes): Likewise.
 812         (aarch64_emit_approx_rsqrt): Replace with new function
 813         "aarch64_emit_approx_sqrt".
 814         (aarch64_override_options_after_change_1): Handle new option.
 815         * config/aarch64/aarch64-simd.md
 816         (rsqrt<mode>2): Use new function instead.
 817         (sqrt<mode>2): New expansion and insn definitions.
 818         * config/aarch64/aarch64.md: Likewise.
 819         * config/aarch64/aarch64.opt
 820         (mlow-precision-sqrt): Add new option description.
 821         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
 822
 823 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 824
 825         [AArch64] Add more choices for the reciprocal square root approximation
 826
 827         Allow a target to prefer such operation depending on the operation mode.
 828
 829         * config/aarch64/aarch64-protos.h
 830         (AARCH64_APPROX_MODE): New macro.
 831         (AARCH64_APPROX_{NONE,ALL}): Likewise.
 832         (cpu_approx_modes): New structure.
 833         (tune_params): New member "approx_modes".
 834         * config/aarch64/aarch64-tuning-flags.def
 835         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
 836         * config/aarch64/aarch64.c
 837         (generic_approx_modes): New core "cpu_approx_modes" structure.
 838         (exynosm1_approx_modes): Likewise.
 839         (xgene1_approx_modes): Likewise.
 840         (generic_tunings): New member "approx_modes".
 841         (cortexa35_tunings): Likewise.
 842         (cortexa53_tunings): Likewise.
 843         (cortexa57_tunings): Likewise.
 844         (cortexa72_tunings): Likewise.
 845         (exynosm1_tunings): Likewise.
 846         (thunderx_tunings): Likewise.
 847         (xgene1_tunings): Likewise.
 848         (use_rsqrt_p): New argument for the mode and use new member from
 849         "tune_params".
 850         (aarch64_builtin_reciprocal): Devise mode from builtin.
 851         (aarch64_optab_supported_p): New argument for the mode.
 852         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
 853
 854 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 855
 856         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
 857         RS6000_BTM_MODULO flag into the set of flags that are considered
 858         to be part of the common configuration.
 859
 860 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 861
 862         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
 863         difference unsigned.
 864         (vec_absdb): New macro for vector absolute difference unsigned
 865         byte.
 866         (vec_absdh): New macro for vector absolute difference unsigned
 867         half-word.
 868         (vec_absdw): New macro for vector absolute difference unsigned word.
 869         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
 870         (vadu<mode>3): New insn.
 871         (*p9_vadu<mode>3): New insn.
 872         * config/rs6000/rs6000-builtin.def (vadub): New built-in
 873         definition.
 874         (vaduh): New built-in definition.
 875         (vaduw): New built-in definition.
 876         (vadu): New overloaded built-in definition.
 877         (vadub): New overloaded built-in definition.
 878         (vaduh): New overloaded built-in definition.
 879         (vaduw): New overloaded built-in definition.
 880         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 881         overloaded vector absolute difference unsigned functions.
 882         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 883         the ISA 3.0 vector absolute difference unsigned built-in functions.
 884
 885 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
 886
 887         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
 888         update shared_lookup_references only once after changing operands.
 889
 890 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 891
 892         PR middle-end/71373
 893         * tree-nested.c (convert_nonlocal_omp_clauses)
 894         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
 895
 896         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
 897         * tree.def (CASE_LABEL_EXPR): Likewise.
 898
 899 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 900
 901         PR bootstrap/71481
 902         * input.c (test_builtins): Fix an assertion.
 903
 904 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 905
 906         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
 907         (paritysi2): Ditto.
 908         (isinfxf2): Ditto.
 909         (isinf<mode>2): Ditto.
 910
 911 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 912
 913         * ggc-tests.c (test_finalization): Only test need_finalization_p
 914         for GCC_VERSION >= 4003.
 915
 916 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 917
 918         * config/s390/vecintrin.h: Fix file description in comment.
 919
 920 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 921
 922         * config/s390/s390-builtin-types.def: Change builtin type naming
 923         scheme to match builtin-types.def.
 924
 925 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
 926
 927         * fold-const.c (optimize_minmax_comparison): Remove.
 928         (fold_comparison): Remove call to the above.
 929         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
 930         New transformations.
 931
 932 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
 933
 934         PR tree-optimization/71416
 935         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
 936         multiple entries
 937
 938 2016-06-13  Martin Liska  <mliska@suse.cz>
 939
 940         * predict.c (enum predictor_reason): Prefix enum with REASON_.
 941         (combine_predictions_for_insn): Likewise.
 942         (prune_predictions_for_bb): Likewise.
 943         (combine_predictions_for_bb): Likewise.
 944
 945 2016-06-13  Richard Biener  <rguenther@suse.de>
 946
 947         PR tree-optimization/71505
 948         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
 949         assert match comment.
 950
 951 2016-06-13  Marek Polacek  <polacek@redhat.com>
 952
 953         PR middle-end/71476
 954         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
 955         gimplify_switch_expr.
 956         (warn_switch_unreachable_r): New function.
 957
 958 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 959
 960         PR target/71379
 961         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
 962         one.
 963
 964 2016-06-13  Richard Biener  <rguenther@suse.de>
 965
 966         PR middle-end/64516
 967         * fold-const.c (fold_unary_loc): Preserve alignment when
 968         folding a VIEW_CONVERT_EXPR into a MEM_REF.
 969
 970 2016-06-13  Martin Liska  <mliska@suse.cz>
 971
 972         PR sanitizer/71458
 973         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
 974         w/ -fsanitize=bounds.
 975
 976 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
 977
 978         * config/i386/i386.c (ix86_init_builtins): Calculate
 979         FLOAT128_FTYPE_CONST_STRING function type only once.
 980         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
 981         built-in functions are available for x86-32 and x86-64 targets.
 982
 983 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
 984
 985         PR target/71241
 986         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
 987         New primitive type.
 988         (FLOAT128_FTYPE_CONST_STRING): New function type.
 989         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
 990         [IX86_BUILTIN_NANSQ]: Ditto.
 991         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
 992         (ix86_init_builtin_types): Declare const_string_type_node.
 993         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
 994         builtin functions.
 995         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
 996         * doc/extend.texi (x86 Built-in Functions): Document
 997         __builtin_nanq and __builtin_nansq.
 998
 999 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
1000
1001         PR target/71061
1002         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
1003         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
1004         length for pop patterns.
1005         (arm_attr_length_push_multi): Update comments.
1006         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
1007         attribute.
1008         (*pop_multiple_with_writeback_and_return): Likewise.
1009         (*pop_multiple_with_return): Likewise.
1010
1011 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
1012
1013         PR middle-end/71310
1014         * fold-const.c (optimize_bit_field_compare): Don't try to use
1015         word_mode unconditionally for reading the bit field, look at
1016         DECL_BIT_FIELD_REPRESENTATIVE instead.
1017
1018 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
1019
1020         PR middle-end/71478
1021         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
1022         vector integer type.
1023
1024 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
1025
1026         PR middle-end/71494
1027         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
1028         without LABEL_DECL, set *handled_ops_p to false instead of true.
1029
1030 2016-06-10  Martin Sebor  <msebor@redhat.com>
1031
1032         PR c/71392
1033         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
1034         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
1035         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
1036         them.
1037         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
1038         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
1039         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
1040         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
1041         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
1042         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
1043         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
1044         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
1045
1046 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1047
1048         * config/arm/arm.h (pool_vector_label,
1049         return_used_this_function): Remove.
1050
1051 2016-06-10  Jeff Law  <law@redhat.com>
1052
1053         PR tree-optimization/71335
1054         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
1055         zero length paths here.
1056         (convert_and_register_jump_thread_path): Remove hacks related to
1057         duplicated blocks in the jump thread path.
1058         (fsm_find_control_statement_thread_paths): Avoid putting the same
1059         block on the thread path twice, but ensure the thread path is
1060         unchanged from the caller's point of view.
1061
1062 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1063
1064         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
1065         * predict.def (PRED_LOOP_BRANCH): Remove.
1066
1067 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
1068
1069         * Makefile.in (OBJS): Add ggc-tests.o.
1070         (GTFILES): Add ggc-tests.c.
1071         * ggc-tests.c: New file.
1072         * selftest-run-tests.c (selftest::run_tests): Call
1073         selftest::ggc_tests_c_tests.
1074         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
1075
1076 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
1077
1078         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
1079
1080 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
1081
1082         PR sanitizer/71480
1083         * varasm.c (place_block_symbol): Adjust alignment for asan protected
1084         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
1085
1086 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
1087
1088         * profile.c: Include cfgloop.h.
1089         (branch_prob): Compute estimated number of iterations.
1090         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
1091         recompute estimate number of iterations from profile.
1092
1093 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1094
1095         PR inline-asm/68843
1096         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
1097         must be grouped on top of stack.  Don't force early clobber
1098         on ordinary reg outputs.
1099
1100 2016-06-10  Richard Biener  <rguenther@suse.de>
1101
1102         * targhooks.c (default_builtin_vectorization_cost): Adjust
1103         vec_construct cost.
1104
1105 2016-06-10  Richard Biener  <rguenther@suse.de>
1106
1107         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1108         to fold the RHS to a constant if possible.
1109
1110 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1111
1112         PR middle-end/71373
1113         * tree-nested.c (convert_nonlocal_omp_clauses)
1114         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1115         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1116         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1117
1118         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1119         OMP_CLAUSE_TILE.
1120         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1121
1122         * omp-low.c (scan_sharing_clauses): Don't expect
1123         OMP_CLAUSE__CACHE_.
1124
1125 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1126
1127         PR tree-optimization/71407
1128         PR tree-optimization/71416
1129         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1130         BIT_FIELD_REF type.
1131
1132 2016-06-10  Richard Biener  <rguenther@suse.de>
1133
1134         PR middle-end/71477
1135         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1136
1137 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1138
1139         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1140
1141 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1142             Jiong Wang  <jiong.wang@arm.com>
1143
1144         PR rtl-optimization/70751
1145         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1146         spilled into memory.
1147
1148 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1149
1150         Revert:
1151         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1152
1153         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1154         sysroot/usr/lib/32api for additional win32 libraries,
1155         fixes failing Cygwin bootstrapping.
1156
1157 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1158
1159         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1160         Delete.
1161
1162 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1163
1164         PR bootstrap/71471
1165         * pretty-print.c (pp_indent): Specify that %p is printed in a
1166         host-dependent manner.
1167         (test_pp_format): Remove the test for %p.
1168
1169 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1170
1171         * config/mips/mips.c (mips_output_jump): Fix formatting.
1172
1173 2016-06-09  Richard Biener  <rguenther@suse.de>
1174
1175         PR tree-optimization/71462
1176         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1177         removed blocks.
1178
1179 2016-06-09  Martin Liska  <mliska@suse.cz>
1180
1181         * predict.c (dump_prediction): Add new argument.
1182         (enum predictor_reason): New enum.
1183         (struct predictor_hash): New struct.
1184         (predictor_hash::hash): New function.
1185         (predictor_hash::equal): Likewise.
1186         (not_removed_prediction_p): New function.
1187         (prune_predictions_for_bb): Likewise.
1188         (combine_predictions_for_bb): Prune predictions.
1189
1190 2016-06-09  Martin Liska  <mliska@suse.cz>
1191
1192         * predict.c (filter_predictions): New function.
1193         (remove_predictions_associated_with_edge): Use the filter
1194         function.
1195         (equal_edge_p): New function.
1196
1197 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1198
1199         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1200         Correct usage of @samp vs @option, add @samp where appropriate.
1201         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1202         Add armv6s-m and document it, as it is no official ARM name.
1203
1204 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1205
1206         * ifcvt.c (struct noce_if_info): Add transform_name field.
1207         (noce_try_move): Set if_info->transform_name to the function name.
1208         (noce_try_ifelse_collapse): Likewise.
1209         (noce_try_store_flag): Likewise.
1210         (noce_try_inverse_constants): Likewise.
1211         (noce_try_store_flag_constants): Likewise.
1212         (noce_try_addcc): Likewise.
1213         (noce_try_store_flag_mask): Likewise.
1214         (noce_try_cmove): Likewise.
1215         (noce_try_cmove_arith): Likewise.
1216         (noce_try_minmax): Likewise.
1217         (noce_try_abs): Likewise.
1218         (noce_try_sign_mask): Likewise.
1219         (noce_try_bitop): Likewise.
1220         (noce_convert_multiple_sets): Likewise.
1221         (noce_process_if_block): Print if_info->transform_name to
1222         dump_file if transformation succeeded.
1223
1224 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1225
1226         * config/arm/cortex-a57.md (cortex_a57_alu):
1227         Handle csel type.
1228
1229 2016-06-08  Martin Sebor  <msebor@redhat.com>
1230             Jakub Jelinek  <jakub@redhat.com>
1231
1232         PR c++/70507
1233         PR c/68120
1234         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1235         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1236         * builtins.c: Include gimple-fold.h.
1237         (fold_builtin_arith_overflow): Handle
1238         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1239         (fold_builtin_3): Likewise.
1240         * doc/extend.texi (Integer Overflow Builtins): Document
1241         __builtin_{add,sub,mul}_overflow_p.
1242
1243 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1244
1245         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1246         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1247
1248 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1249
1250         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1251         Rewrite, looking one level down for records and arrays.
1252
1253 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1254
1255         * pretty-print.c: Include "selftest.h".
1256         (pp_format): Fix comment.
1257         (identifier_to_locale): Likewise.
1258         (selftest::test_basic_printing): New function.
1259         (selftest::assert_pp_format): New function.
1260         (selftest::test_pp_format): New function.
1261         (selftest::pretty_print_c_tests): New function.
1262         * selftest-run-tests.c (selftest::run_tests): Call
1263         selftest::pretty_print_c_tests.
1264         * selftest.h (pretty_print_c_tests): New declaration.
1265
1266 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1267
1268         * invoke.texi (max-loop-headers-insns): Document.
1269         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1270         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1271         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1272
1273 2016-06-08  Richard Biener  <rguenther@suse.de>
1274
1275         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1276         on strided SLP loads and fall back to scalar loads in case
1277         we can't chunk them.
1278
1279 2016-06-08  Richard Biener  <rguenther@suse.de>
1280
1281         PR tree-optimization/71452
1282         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1283         type used for the SSA rewrite has enough precision to cover
1284         the dynamic type of the location.
1285
1286 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1287             Richard Biener  <rguenther@suse.de>
1288
1289         PR c++/71448
1290         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1291         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1292         in one further place.
1293
1294 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1295
1296         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1297         to one word if the field is known to overlap other words.
1298         (extract_bit_field_1): Likewise.
1299         (store_split_bit_field): Remove compensating code.
1300         (extract_split_bit_field): Likewise.
1301
1302 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1303
1304         PR debug/71432
1305         PR ada/71413
1306         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1307
1308 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1309
1310         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1311         VDQF.
1312         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1313         (arch64_addpv4sf): Delete.
1314         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1315         "gen_aarch64_addpv4sf".
1316         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1317         builtin.
1318         (vpadds_f32): Likewise.
1319         (vpaddq_f32): Likewise.
1320         (vpaddq_f64): Likewise.
1321
1322 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1323
1324         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1325         VALLF.
1326         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1327         to VALLF.  Rename to "fabd<mode>3".
1328         "*fabd_scalar<mode>3): Delete.
1329         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1330         Use builtin.
1331         (vabdd_f64): Likewise.
1332         (vabd_f32): Likewise.
1333         (vabd_f64): Likewise.
1334         (vabdq_f32): Likewise.
1335         (vabdq_f64): Likewise.
1336
1337 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1338
1339         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1340         VALLF.
1341         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1342         "aarch64_rsqrts<mode>".
1343         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1344         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1345         builtin.
1346         (vrsqrtsd_f64): Likewise.
1347         (vrsqrts_f32): Likewise.
1348         (vrsqrts_f64): Likewise.
1349         (vrsqrtsq_f32): Likewise.
1350         (vrsqrtsq_f64): Likewise.
1351
1352 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1353
1354         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1355         VALLF.
1356         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1357         "aarch64_rsqrte<mode>".
1358         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1359         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1360         builtin.
1361         (vrsqrted_f64): Likewise.
1362         (vrsqrte_f32): Likewise.
1363         (vrsqrte_f64): Likewise.
1364         (vrsqrteq_f32): Likewise.
1365         (vrsqrteq_f64): Likewise.
1366
1367 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1368
1369         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1370         (ucvtf): Likewise.
1371         (fcvtzs): Likewise.
1372         (fcvtzu): Likewise.
1373         * config/aarch64/aarch64-simd.md
1374         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1375         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1376         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1377         Use builtin.
1378         (vcvt_n_f32_u32): Likewise.
1379         (vcvt_n_s32_f32): Likewise.
1380         (vcvt_n_u32_f32): Likewise.
1381         (vcvtq_n_f32_s32): Likewise.
1382         (vcvtq_n_f32_u32): Likewise.
1383         (vcvtq_n_f64_s64): Likewise.
1384         (vcvtq_n_f64_u64): Likewise.
1385         (vcvtq_n_s32_f32): Likewise.
1386         (vcvtq_n_s64_f64): Likewise.
1387         (vcvtq_n_u32_f32): Likewise.
1388         (vcvtq_n_u64_f64): Likewise.
1389         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1390         (VSDQ_SDI): Likewise.
1391         (fcvt_target): Support V4DI, V4SI and V2SI.
1392         (FCVT_TARGET): Likewise.
1393
1394 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1395
1396         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1397         (TYPES_BINOP_SUS): Likewise.
1398         (aarch64_simd_builtin_data): Update include file name.
1399         (aarch64_builtins): Likewise.
1400         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1401         for conversion between scalar float-point and fixed-point.
1402         (ucvtf): Likewise.
1403         (fcvtzs): Likewise.
1404         (fcvtzu): Likewise.
1405         * config/aarch64/aarch64.md
1406         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1407         pattern for conversion between scalar float to fixed-pointer.
1408         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1409         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1410         (UNSPEC_FCVTZU): Likewise.
1411         (UNSPEC_SCVTF): Likewise.
1412         (UNSPEC_UCVTF): Likewise.
1413         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1414         Use builtin.
1415         (vcvtd_n_f64_u64): Likewise.
1416         (vcvtd_n_s64_f64): Likewise.
1417         (vcvtd_n_u64_f64): Likewise.
1418         (vcvtd_n_f32_s32): Likewise.
1419         (vcvts_n_f32_u32): Likewise.
1420         (vcvtd_n_s32_f32): Likewise.
1421         (vcvts_n_u32_f32): Likewise.
1422         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1423         mapping.
1424         (FCVT_TARGET): Likewise.
1425         (FCVT_FIXED2F): New iterator.
1426         (FCVT_F2FIXED): Likewise.
1427         (fcvt_fixed_insn): New define_int_attr.
1428
1429 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1430
1431         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1432         some statements was removed.
1433
1434 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1435
1436         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1437         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1438         (vect_can_advance_ivs_p): likewise.
1439         (vect_update_ivs_after_vectorizer): likewise.
1440         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1441         (vect_analyze_scalar_cycles_1): likewise.
1442         (vect_analyze_loop_operations): likewise.
1443         (report_vect_op): likewise.
1444         (vect_is_slp_reduction): likewise.
1445         (vect_is_simple_reduction): likewise.
1446         (get_initial_def_for_induction): likewise.
1447         (vect_transform_loop): likewise.
1448         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1449         (vect_recog_sad_pattern): likewise.
1450         (vect_recog_widen_sum_pattern): likewise.
1451         (vect_recog_widening_pattern): likewise.
1452         (vect_recog_divmod_pattern): likewise.
1453         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1454         (vect_analyze_slp_instance): likewise.
1455         (vect_transform_slp_perm_load): likewise.
1456         (vect_schedule_slp_instance): likewise.
1457
1458 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1459
1460         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1461         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1462         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1463         (PRED_LOOP_BRANCH): Document predictor as broken.
1464         (PRED_LOOP_EXIT): Change hitrate 91->92.
1465         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1466         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1467         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1468         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1469         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1470         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1471         (PRED_CALL): Chane hitrate 71->67.
1472         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1473         (PRED_GOTO): Document as unused right now.
1474         (PRED_CONST_RETURN): Change hitrate 67->69
1475         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1476         (PRED_NULL_RETURN): Change hitrate 91->90.
1477         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1478         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1479         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1480
1481 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1482
1483         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1484         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1485         special case Altivec builtin.
1486         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1487         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1488         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1489         code for ALTIVEC_BUILTIN_VEC_MUL.
1490         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1491         for __builtin_vec_mul.
1492
1493 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1494
1495         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1496         -mno-htm.
1497
1498 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1499
1500         * spellcheck.c (selftest::test_find_closest_string): New function.
1501         (spellcheck_c_tests): Call the above.
1502
1503 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1504
1505         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1506
1507 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1508
1509         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1510         Yv=Yv,C alternatives.
1511
1512 2016-06-07  Richard Biener  <rguenther@suse.de>
1513
1514         PR c/61564
1515         * common.opt (ffast-math): Make Optimization.
1516
1517 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1518             Prachi Godbole  <prachi.godbole@imgtec.com>
1519
1520         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1521         `fabs' and `fneg' type attributes.
1522         (p5600_fpu_fabs): Add `fmove' to the comment.
1523
1524 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1525
1526         * gimple.c: Include builtins.h
1527         (gimple_inexpensive_call_p): New function.
1528         * gimple.h (gimple_inexpensive_call_p): Declare.
1529         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1530         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1531         fix formatting.
1532
1533 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1534
1535         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1536         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1537         warning_at_rich_loc, warning_n, pedwarn, permerror,
1538         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1539         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1540         Use the above.
1541
1542 2016-06-07  Richard Biener  <rguenther@suse.de>
1543
1544         PR tree-optimization/71428
1545         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1546         BIT_FIELD_REF op vs. load.
1547
1548 2016-06-07  Richard Biener  <rguenther@suse.de>
1549
1550         PR middle-end/71423
1551         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1552         for signed ops.
1553
1554 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1555
1556         * config/pa/pa.md (call): Generate indirect long calls to non-local
1557         functions on TARGET_64BIT.
1558         (call_value): Likewise.
1559
1560 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1561
1562         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1563         pattern and subsequent splitters.
1564         (call_val_reg_64bit_post_reload): Likewise.
1565
1566 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1567
1568         PR middle-end/71408
1569         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1570         propagate_op_to_single_use.
1571
1572 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1573
1574         PR middle-end/71281
1575         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1576
1577 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1578
1579         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1580         (enum x86_dirflag_state): New enum.
1581         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1582         (machine_function): Remove needs_cld.
1583         (ix86_current_function_needs_cld): Remove.
1584         * config/i386/i386.c (ix86_set_func_type): Set
1585         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1586         (ix86_expand_prologue): Do not emit CLD here.
1587         (ix86_dirflag_mode_needed): New function.
1588         (ix86_dirflag_mode_entry): Ditto.
1589         (ix86_mode_needed): Handle X86_DIRFLAG entity.
1590         (ix86_mode_after): Ditto.
1591         (ix86_mode_entry): Ditto.
1592         (ix86_mode_exit): Ditto.
1593         (ix86_emit_mode_set): Ditto.
1594         * config/i386/i386.md (strmov_singleop): Set
1595         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1596         Do not set ix86_current_function_needs_cld.
1597         (rep_mov): Ditto.
1598         (strset_singleop): Ditto.
1599         (rep_stos): Ditto.
1600         (cmpstrnqi_nz_1): Ditto.
1601         (cmpstrnqi_1): Ditto.
1602         (strlenqi_1): Ditto.
1603
1604 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR tree-optimization/71259
1607         * tree-vect-slp.c (vect_get_constant_vectors): For
1608         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1609         one for constant op, and use COND_EXPR for non-constant.
1610
1611 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
1612
1613         * Makefile.in (OBJS): Add function-tests.o,
1614         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1615         selftest-run-tests.o.
1616         (OBJS-libcommon): Add selftest.o.
1617         (OBJS-libcommon-target): Add selftest.o.
1618         (all.internal): Add "selftest".
1619         (all.cross): Likewise.
1620         (selftest): New phony target.
1621         (s-selftest): New target.
1622         (selftest-gdb): New phony target.
1623         (COLLECT2_OBJS): Add selftest.o.
1624         * bitmap.c: Include "selftest.h".
1625         (selftest::test_gc_alloc): New function.
1626         (selftest::test_set_range): New function.
1627         (selftest::test_clear_bit_in_middle): New function.
1628         (selftest::test_copying): New function.
1629         (selftest::test_bitmap_single_bit_set_p): New function.
1630         (selftest::bitmap_c_tests): New function.
1631         * common.opt (fself-test): New.
1632         * diagnostic-show-locus.c: Include "selftest.h".
1633         (make_range): New function.
1634         (test_range_contains_point_for_single_point): New function.
1635         (test_range_contains_point_for_single_line): New function.
1636         (test_range_contains_point_for_multiple_lines): New function.
1637         (assert_eq): New function.
1638         (test_get_line_width_without_trailing_whitespace): New function.
1639         (selftest::diagnostic_show_locus_c_tests): New function.
1640         * et-forest.c: Include "selftest.h".
1641         (selftest::test_single_node): New function.
1642         (selftest::test_simple_tree): New function.
1643         (selftest::test_disconnected_nodes): New function.
1644         (selftest::et_forest_c_tests): New function.
1645         * fold-const.c: Include "selftest.h".
1646         (selftest::assert_binop_folds_to_const): New function.
1647         (selftest::assert_binop_folds_to_nonlvalue): New function.
1648         (selftest::test_arithmetic_folding): New function.
1649         (selftest::fold_const_c_tests): New function.
1650         * function-tests.c: New file.
1651         * gimple.c: Include "selftest.h".
1652         Include "gimple-pretty-print.h".
1653         (selftest::verify_gimple_pp): New function.
1654         (selftest::test_assign_single): New function.
1655         (selftest::test_assign_binop): New function.
1656         (selftest::test_nop_stmt): New function.
1657         (selftest::test_return_stmt): New function.
1658         (selftest::test_return_without_value): New function.
1659         (selftest::gimple_c_tests): New function.
1660         * hash-map-tests.c: New file.
1661         * hash-set-tests.c: New file.
1662         * input.c: Include "selftest.h".
1663         (selftest::assert_loceq): New function.
1664         (selftest::test_accessing_ordinary_linemaps): New function.
1665         (selftest::test_unknown_location): New function.
1666         (selftest::test_builtins): New function.
1667         (selftest::test_reading_source_line): New function.
1668         (selftest::input_c_tests): New function.
1669         * rtl-tests.c: New file.
1670         * selftest-run-tests.c: New file.
1671         * selftest.c: New file.
1672         * selftest.h: New file.
1673         * spellcheck.c: Include "selftest.h".
1674         (selftest::levenshtein_distance_unit_test_oneway): New function,
1675         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1676         (selftest::levenshtein_distance_unit_test): Likewise.
1677         (selftest::spellcheck_c_tests): Likewise.
1678         * toplev.c: Include selftest.h.
1679         (toplev::run_self_tests): New.
1680         (toplev::main): Handle -fself-test.
1681         * toplev.h (toplev::run_self_tests): New.
1682         * tree.c: Include "selftest.h".
1683         (selftest::test_integer_constants): New function.
1684         (selftest::test_identifiers): New function.
1685         (selftest::test_labels): New function.
1686         (selftest::tree_c_tests): New function.
1687         * tree-cfg.c: Include "selftest.h".
1688         (selftest::push_fndecl): New function.
1689         (selftest::test_linear_chain): New function.
1690         (selftest::test_diamond): New function.
1691         (selftest::test_fully_connected): New function.
1692         (selftest::tree_cfg_c_tests): New function.
1693         * vec.c: Include "selftest.h".
1694         (selftest::safe_push_range): New function.
1695         (selftest::test_quick_push): New function.
1696         (selftest::test_safe_push): New function.
1697         (selftest::test_truncate): New function.
1698         (selftest::test_safe_grow_cleared): New function.
1699         (selftest::test_pop): New function.
1700         (selftest::test_safe_insert): New function.
1701         (selftest::test_ordered_remove): New function.
1702         (selftest::test_unordered_remove): New function.
1703         (selftest::test_block_remove): New function.
1704         (selftest::reverse_cmp): New function.
1705         (selftest::test_qsort): New function.
1706         (selftest::vec_c_tests): New function.c.
1707         * wide-int.cc: Include selftest.h and wide-int-print.h.
1708         (selftest::from_int <wide_int>): New function.
1709         (selftest::from_int <offset_int>): New function.
1710         (selftest::from_int <widest_int>): New function.
1711         (selftest::assert_deceq): New function.
1712         (selftest::assert_hexeq): New function.
1713         (selftest::test_printing <VALUE_TYPE>): New function template.
1714         (selftest::test_ops <VALUE_TYPE>): New function template.
1715         (selftest::test_comparisons <VALUE_TYPE>): New function template.
1716         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1717         template.
1718         (selftest::wide_int_cc_tests): New function.
1719
1720 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1721
1722         PR middle-end/37780
1723         * ifcvt.c (noce_try_ifelse_collapse): New function.
1724         Declare prototype.
1725         (noce_process_if_block): Call noce_try_ifelse_collapse.
1726         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1727         (simplify_ternary_operation): Use the above to simplify
1728         conditional CLZ/CTZ expressions.
1729
1730 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1731
1732         PR middle-end/37780
1733         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1734         define_insn_and_split.
1735
1736 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1737
1738         PR middle-end/37780
1739         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1740
1741 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1742
1743         PR c/24414
1744         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1745         Implicitly clobber memory for basic asm with non-empty assembler
1746         string.  Use targetm.md_asm_adjust also here.
1747         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1748         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1749         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1750         non-empty assembler string.
1751         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1752         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1753         (decode_asm_operands): Handle basic asm in PARALLEL block.
1754         (extract_insn): Handle basic asm in PARALLEL block.
1755         * doc/extend.texi: Mention new behavior of basic asm.
1756         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1757         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1758         branch_needs_nop_p): Use asm_noperands.
1759
1760 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1761
1762         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1763         Include the M7 SPARC DFA scheduler.
1764         New attribute v3pipe.
1765         Annotate insns with v3pipe where appropriate.
1766         Define cpu_feature vis4.
1767         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1768         Add (V8QI "8") to vbits.
1769         Add insns {add,sub}v8qi3
1770         Add insns ss{add,sub}v8qi3
1771         Add insns us{add,sub}{v8qi,v4hi}3
1772         Add insns {min,max}{v8qi,v4hi,v2si}3
1773         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1774         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1775         * config/sparc/niagara4.md: Add a comment explaining the
1776         discrepancy between the documented latenty numbers and the
1777         implemented ones.
1778         * config/sparc/niagara7.md: New file.
1779         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1780         supports SPARC5 and VIS 4.0 instructions.
1781         * configure: Regenerate.
1782         * config.in: Likewise.
1783         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1784         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1785         TARGET_CPU_niagara7.
1786         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1787         (CPP_CPU_SPEC): Handle niagara7.
1788         (ASM_CPU_SPEC): Likewise.
1789         * config/sparc/sparc-opts.h (processor_type): Add
1790         PROCESSOR_NIAGARA7.
1791         (mvis4): New option.
1792         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1793         (AS_NIAGARA7_FLAG): Define.
1794         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1795         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1796         (CPP_CPU_SPEC): Handle niagara7.
1797         (ASM_CPU_SPEC): Likewise.
1798         * config/sparc/sparc.c (niagara7_costs): Define.
1799         (sparc_option_override): Handle niagara7 and adjust cache-related
1800         parameters with better values for niagara cpus.  Also support VIS4.
1801         (sparc32_initialize_trampoline): Likewise.
1802         (sparc_use_sched_lookahead): Likewise.
1803         (sparc_issue_rate): Likewise.
1804         (sparc_register_move_cost): Likewise.
1805         (dump_target_flag_bits): Support VIS4.
1806         (sparc_vis_init_builtins): Likewise.
1807         (sparc_builtins): Likewise.
1808         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1809         VIS4 4.0.
1810         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1811         UltraSparc M7.
1812         * config/sparc/sparc.opt (sparc_processor_type): New value
1813         niagara7.
1814         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1815         VIS4 builtins.
1816         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1817         -mvis4.
1818         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1819         VIS4 builtins.
1820
1821 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
1822
1823         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1824
1825 2016-06-06  Richard Biener  <rguenther@suse.de>
1826
1827         PR tree-optimization/71398
1828         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1829         remove edges.
1830
1831 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
1832
1833         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1834         ft32_expand_prolog, ft32_expand_epilogue):
1835         Handle pretend_args.
1836         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1837         * config/ft32/ft32.md: Add pretend_returner.
1838
1839 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         PR target/71389
1842         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1843         Copy op1 RTX to avoid invalid sharing.
1844         (ix86_expand_vector_move_misalign): Ditto.
1845
1846 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
1847
1848         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1849         ATTRIBUTE_UNUSED.
1850
1851 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1852
1853         * predict.c (predicted_by_loop_heuristics_p): New function.
1854         (predict_iv_comparison): Use it.
1855         (predict_loops): Walk from innermost loops; do not predict edges
1856         leaving multiple loops multiple times; implement
1857         PRED_LOOP_ITERATIONS_MAX heuristics.
1858         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1859
1860 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1861
1862         * cfg.c (check_bb_profile): Do not report mismatched profiles when
1863         only edges out of BB are EH edges.
1864
1865 2016-06-04  Martin Sebor  <msebor@redhat.com>
1866             Marcin Baczyński  <marbacz@gmail.com>
1867
1868         PR c/48116
1869         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1870         a void expression in a void function.
1871
1872 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1873
1874         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1875         aux; dump reasons of decisions.
1876         (should_duplicate_loop_header_p): Likewise.
1877         (do_while_loop_p): Likewise.
1878         (ch_base::copy_headers): Dump asi num insns duplicated.
1879
1880 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1881
1882         PR tree-optimization/71405
1883         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1884         incompatible type, build a new clobber with the right type instead
1885         of building a VIEW_CONVERT_EXPR around it.
1886
1887 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1888
1889         PR tree-optimization/52171
1890         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1891         by_pieces_ninsns instead of move_by_pieces_ninsns.
1892
1893 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1894
1895         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1896         for reg+reg addressing mode.
1897
1898 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1899
1900         * rs6000-c.c (c/c-tree.h): Add #include.
1901         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
1902         in C++ when found in the base position of vec_ld or vec_st.
1903
1904 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1905
1906         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
1907         use of profile unless profile status is PROFILE_READ.
1908         * profile.c (compute_branch_probabilities): Set profile status
1909         only after reporting predictor hitrates.
1910
1911 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
1912
1913         PR target/71276
1914         PR target/71277
1915         * common.opt (ffp-int-builtin-inexact): New option.
1916         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
1917         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
1918         (ceil@var{m}2): Document dependence on this option.
1919         * ipa-inline-transform.c (inline_call): Handle
1920         flag_fp_int_builtin_inexact.
1921         * ipa-inline.c (can_inline_edge_p): Likewise.
1922         * config/i386/i386.md (rintxf2): Do not test
1923         flag_unsafe_math_optimizations.
1924         (rint<mode>2_frndint): New define_insn.
1925         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
1926         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
1927         for 387 instead of extending and truncating.
1928         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
1929         !flag_trapping_math instead of flag_unsafe_math_optimizations.
1930         Change to frndint<mode>2_<rounding>.
1931         (frndintxf2_<rounding>_i387): Likewise.  Change to
1932         frndint<mode>2_<rounding>_i387.
1933         (<rounding_insn>xf2): Likewise.
1934         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
1935         !flag_trapping_math instead of flag_unsafe_math_optimizations for
1936         x87.  Test TARGET_ROUND || !flag_trapping_math ||
1937         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
1938         SSE.  Use ROUND_NO_EXC in constant operand of
1939         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
1940         for 387 instead of extending and truncating.
1941
1942 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1943             Julia Koval  <julia.koval@intel.com>
1944
1945         PR target/66960
1946         PR target/67630
1947         PR target/67634
1948         PR target/67841
1949         PR target/68037
1950         PR target/68618
1951         PR target/68661
1952         PR target/69575
1953         PR target/69596
1954         PR target/69734
1955         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
1956         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
1957         all registers, except for function return registers if there are
1958         no caller-saved registers.
1959         (ix86_set_func_type): New function.
1960         (ix86_set_current_function): Call ix86_set_func_type to set
1961         no_caller_saved_registers and func_type.  Call reinit_regs if
1962         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
1963         nor x87 instructions in interrupt handler nor function with
1964         no_caller_saved_registers attribute.
1965         (ix86_function_ok_for_sibcall): Return false if there are no
1966         caller-saved registers.
1967         (type_natural_mode): Don't warn ABI change for MMX in interrupt
1968         handler.
1969         (ix86_function_arg_advance): Skip for callee in interrupt handler.
1970         (ix86_function_arg): Return special arguments in interrupt handler.
1971         (ix86_promote_function_mode): Promote pointer to word_mode only
1972         for normal functions.
1973         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
1974         interrupt handler.
1975         (ix86_epilogue_uses): New function.
1976         (ix86_hard_regno_scratch_ok): Likewise.
1977         (ix86_save_reg): Preserve all registers in interrupt handler
1978         after reload.  Preserve all registers, except for function return
1979         registers, if there are no caller-saved registers after reload.
1980         (find_drap_reg): Always use callee-saved register if there are
1981         no caller-saved registers.
1982         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
1983         for interrupt handler.
1984         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
1985         Emit cld instruction if stringops are used in interrupt handler
1986         or interrupt handler isn't a leaf function.
1987         (ix86_expand_epilogue): Generate interrupt return for interrupt
1988         handler and pop the 'ERROR_CODE' off the stack before interrupt
1989         return in exception handler.
1990         (ix86_expand_call): Disallow calling interrupt handler directly.
1991         If there are no caller-saved registers, mark all registers that
1992         are clobbered by the call which returns as clobbered.
1993         (ix86_handle_no_caller_saved_registers_attribute): New function.
1994         (ix86_handle_interrupt_attribute): Likewise.
1995         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
1996         attributes.
1997         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
1998         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
1999         accumulation in interrupt function if stack may be realigned to
2000         avoid DRAP.
2001         (EPILOGUE_USES): New.
2002         (function_type): New enum.
2003         (machine_function): Add func_type and no_caller_saved_registers.
2004         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
2005         (interrupt_return): New pattern.
2006         * doc/extend.texi: Document x86 interrupt and
2007         no_caller_saved_registers attributes.
2008
2009 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
2010
2011         PR tree-optimization/52171
2012         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
2013         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
2014         Look for constant strings.  Move some code to emit_block_cmp_hints
2015         and use it.
2016         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
2017         * defaults.h (COMPARE_MAX_PIECES): New macro.
2018         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
2019         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
2020         (clear_by_pieces_1): Don't declare.  Move definition before use.
2021         (can_do_by_pieces): New static function.
2022         (can_move_by_pieces): Use it.  Return bool.
2023         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
2024         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
2025         (class pieces_addr); New.
2026         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
2027         pieces_addr::adjust, pieces_addr::increment_address,
2028         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
2029         functions for it.
2030         (class op_by_pieces_d): New.
2031         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
2032         functions for it.
2033         (class move_by_pieces_d, class compare_by_pieces_d,
2034         class store_by_pieces_d): New subclasses of op_by_pieces_d.
2035         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
2036         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
2037         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
2038         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
2039         compare_by_pieces_d::finish_mode): New member functions.
2040         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
2041         functions.
2042         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
2043         (emit_block_cmp_hints): New function.
2044         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
2045         use the newly defined classes.
2046         * expr.h (by_pieces_constfn): New typedef.
2047         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
2048         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
2049         (move_by_pieces_ninsns): Don't declare.
2050         (can_move_by_pieces): Change return value to bool.
2051         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
2052         (compare_by_pieces_branch_ratio): New hook.
2053         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
2054         (by_pieces_ninsns): Declare.
2055         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
2056         COMPARE_BY_PIECES.
2057         (default_compare_by_pieces_branch_ratio): New function.
2058         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
2059         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
2060         * doc/tm.texi: Regenerate.
2061         * tree-ssa-strlen.c: Include "builtins.h".
2062         (handle_builtin_memcmp): New static function.
2063         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
2064         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
2065
2066 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2067
2068         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
2069         relevant stmts which are simple and invariant.
2070         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
2071         instead of simple and invariant
2072
2073 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2074
2075         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
2076         (vectorizable_reduction): Check for new relevant state.
2077         (vectorizable_live_operation): vectorize live stmts using
2078         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
2079         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
2080         (vect_stmt_relevant_p): Check for stmts which are only used live.
2081         (process_use): Use of a stmt does not inherit it's live value.
2082         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
2083         (vect_analyze_stmt): Check for new relevant state.
2084         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
2085         outside the loop, but not inside it.
2086
2087 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2088
2089         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
2090         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
2091         (vect_get_vec_def_for_operand): Split out code.
2092
2093 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
2094
2095         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
2096
2097 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
2098
2099         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
2100
2101 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2102
2103         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2104
2105 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR middle-end/71387
2108         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2109         to noreturn e->callee->decl that has void return type and void
2110         arguments, adjust gimple_call_fntype and remove lhs even if it had
2111         previously addressable type.
2112
2113 2016-06-02  Jeff Law  <law@redhat.com>
2114
2115         PR tree-optimization/71328
2116         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2117         error when checking for a jump back onto the copied path.
2118
2119 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2120
2121         * config/microblaze/microblaze.c (get_branch_target): Add return
2122         NULL_RTX for the non-CALL_P case.
2123         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2124         (insert_wic): Remove unused local "j".
2125
2126 2016-06-02  Martin Liska  <mliska@suse.cz>
2127
2128         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2129
2130 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2131             Julia Koval  <julia.koval@intel.com>
2132
2133         * function.c (assign_parm_setup_stack): Force source into a
2134         register if needed.
2135         * target.def (function_incoming_arg): Update documentation to
2136         allow arbitrary address computation based on hard register.
2137         * doc/tm.texi: Regenerated.
2138
2139 2016-06-02  Martin Liska  <mliska@suse.cz>
2140
2141         * predict.c (combine_predictions_for_bb): Fix first match in
2142         cases where a first predictor contains more than one occurence
2143         in list of predictors.  Take the best value in such case.
2144
2145 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2146
2147         PR rtl-optimization/71295
2148         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2149         offset would go over the size of the inner mode reject it.
2150
2151 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2152
2153         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2154         x=x,x and v=v,m instead of x=x,m.
2155
2156         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2157         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2158         alternative to v=rm,C.
2159
2160         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2161         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2162         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2163         instead of vex for the last two above mentioned alternatives.
2164
2165 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2166
2167         PR target/70830
2168         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2169
2170 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2171
2172         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2173
2174 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2175
2176         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2177         from int to unsigned.
2178
2179 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2180
2181         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2182         alternatives, eliminating preferred register class.  Add support
2183         for the MTVSRDD instruction in ISA 3.0.
2184         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2185         reg_or_indexed_operand.
2186         (vsx_splat_v4sf_internal): Likewise.
2187
2188 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2189
2190         PR target/71186
2191         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2192         for loading up all 0's or all 1's.
2193
2194 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2195
2196         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2197
2198 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2199
2200         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2201         extension.
2202         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2203         * gcc.c (set_source_date_epoch_envvar): New function, sets
2204         the SOURCE_DATE_EPOCH environment variable to the current time.
2205
2206 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2207
2208         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2209         the factor for live Phi nodes.
2210
2211 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2212
2213         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2214         * tree-parloops.c (parallelize_loops): likewise.
2215         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2216         tree_unswitch_outer_loop): likewise.
2217
2218 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2219
2220         PR middle-end/71371
2221         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2222         around creation of the temporary.
2223
2224 2016-06-01  Richard Biener  <rguenther@suse.de>
2225
2226         PR tree-optimization/71366
2227         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2228         (unloop_loops): Move removing edges here ...
2229         (try_unroll_loop_completely): ... from here.
2230         (try_peel_loop): ... and here.
2231         (tree_unroll_loops_completely_1): Track parent loops via
2232         bitmap of header BBs.
2233         (tree_unroll_loops_completely): Adjust for that.
2234
2235 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2236
2237         * config/rs6000/altivec.h (vec_slv): New macro.
2238         (vec_srv): New macro.
2239         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2240         (UNSPEC_VSRV): New value.
2241         (vslv): New insn.
2242         (vsrv): New insn.
2243         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2244         (vsrv): New builtin definition.
2245         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2246         define argument types for new builtin.
2247         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2248         new builtin.
2249         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2250         functions.
2251
2252 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2253             Jocelyn Mayer  <l_indien@magic.fr>
2254
2255         PR target/67310
2256         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2257         detect processor family for signature_CENTAUR_ebx.
2258         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2259         signature_CENTAUR_ebx.
2260         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2261         <default>: Pass x86-64 for has_longmode.
2262
2263 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2264
2265         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2266         undefined weak.
2267
2268 2016-06-01  Richard Biener  <rguenther@suse.de>
2269
2270         PR tree-optimization/71261
2271         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2272         of stmts successfully put in the bool pattern.  Remove
2273         single-use restriction.
2274         (adjust_bool_pattern_cast): Add cast at the use site via the
2275         pattern def sequence.
2276         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2277         of patterned defs.  Use the pattern def seqence instead of
2278         multiple independent patterns.
2279         (sort_after_uid): New qsort compare function.
2280         (adjust_bool_stmts): New function to process stmts in the bool
2281         pattern in IL order.
2282         (vect_recog_bool_pattern): Adjust.
2283         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2284         (ifcvt_walk_pattern_tree): Likewise.
2285         (stmt_is_root_of_bool_pattern): Likewise.
2286         (ifcvt_repair_bool_pattern): Likewise.
2287         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2288
2289 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2290
2291         * loop-unroll.c (decide_unroll_constant_iterations,
2292         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2293         likely upper bounds.
2294         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2295
2296 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2297
2298         * tree-core.h (enum omp_clause_code): Remove
2299         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2300
2301 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2302
2303         * config/arm/sync.md (arm_store_exclusive<mode>):
2304         Use 'H' output modifier on operands[2] rather than creating a new
2305         entry in out-of-bounds memory of the operands array.
2306         (arm_store_release_exclusivedi): Likewise.
2307
2308 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2309
2310         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2311         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2312         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2313         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2314
2315 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2316
2317         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2318         into account live statements for mask producers.
2319
2320 2016-06-01  Richard Biener  <rguenther@suse.de>
2321
2322         PR tree-optimization/71311
2323         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2324         restrict to non-INTEGER_CST @0.
2325
2326 2016-06-01  Richard Biener  <rguenther@suse.de>
2327
2328         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2329         (relational patterns): Use :c to avoid pattern duplications.
2330
2331 2016-06-01  Richard Biener  <rguenther@suse.de>
2332
2333         * genmatch.c (comparison_code_p): New predicate.
2334         (swap_tree_comparison): New function.
2335         (commutate): Add for_vec parameter to append new for entries.
2336         Support commutating relational operators by swapping it alongside
2337         operands.
2338         (lower_commutative): Adjust.
2339         (dt_simplify::gen): Do not pass artificial operators to gen
2340         functions.
2341         (decision_tree::gen): Do not add artificial operators as parameters.
2342         (parser::parse_expr): Verify operator commutativity when :c is
2343         applied.  Allow :C to override this.
2344         * match.pd: Adjust patterns to use :C instead of :c where required.
2345
2346 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2347
2348         PR tree-optimization/71077
2349         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2350         the combining step, use boolean_false_node and boolean_true_node
2351         as the designated false/true return values.
2352
2353 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2354
2355         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2356         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2357         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2358         PRED_LOOP_EXIT.
2359
2360 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2361
2362         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2363         of flags impliying the register renaming.
2364         * toplev.c (process_options): Do not imply flag_rename_registers with
2365         loop peeling.
2366
2367 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2368
2369         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2370         default implementation.
2371
2372 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2373
2374         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2375
2376 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2377
2378         * config/sh/constraints.md (b): Remove constraint.
2379         * config/sh/predicates.md (arith_reg_operand): Remove
2380         TARGET_REGISTER_P.
2381         * config/sh/sh-modes.def (PDI): Remove.
2382         * config/sh/sh.c (sh_target_reg_class,
2383         sh_optimize_target_register_callee_saved): Remove functions.
2384         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2385         (sh_expand_epilogue): Update comment.
2386         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2387         sh_secondary_reload): Remove TARGET_REGS related code.
2388         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2389         TARGET_REGISTER_P): Remove macros.
2390         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2391         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2392         TR1_REG, TR2_REG): Remove constants.
2393         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2394
2395 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2396
2397         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2398         define_expand patterns.
2399         (adddi3_compact): Rename to adddi3.
2400         (subdi3_compact): Rename to subdi3.
2401         (*negdi2): Rename to negdi2.
2402         (*abs<mode>2): Rename to abs<mode>2.
2403
2404 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2405
2406         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2407         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2408         (atomic_sub_fetchsi): ... this new pattern.
2409         (mvtc): Add CC_REG clobber.
2410
2411 2016-05-31  Marek Polacek  <polacek@redhat.com>
2412
2413         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2414
2415 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2416
2417         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2418         aarch64_fusion_enabled_p to check for fusion capabilities.
2419
2420 2016-05-31  Richard Biener  <rguenther@suse.de>
2421
2422         PR tree-optimization/71352
2423         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2424         minus one and a negate.
2425
2426 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2427
2428         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2429         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2430         Delete prototype.
2431         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2432         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2433         Remove use of aarch64_simd_attr_length_move, set length attribute
2434         directly.
2435         (*aarch64_be_movoi): Likewise.
2436         (*aarch64_be_movci): Likewise.
2437         (*aarch64_be_movxi): Likewise.
2438
2439 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2440
2441         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2442         It no longer does that.
2443         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2444
2445 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2446
2447         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2448         attribute __unused__.
2449
2450 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2451
2452         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2453         * config/arm/arm.c (arm_arch_thumb1): Define.
2454         (arm_option_override): Initialize arm_arch_thumb1.
2455         * config/arm/arm.h (arm_arch_thumb1): Declare.
2456         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2457         support Thumb-1 ISA.
2458
2459 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2460
2461         PR target/71346
2462         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2463         `Yv' for scalar operand.
2464
2465 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2466
2467         PR tree-optimization/69068
2468         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2469         phis with more than two args.
2470
2471 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2472
2473         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2474         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2475         target.
2476
2477 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2478
2479         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2480         tune_64.
2481         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2482         support on SPARC.
2483         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2484         cpu_32, cpu_64, tune_32 and tune_64.
2485         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2486
2487 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2488
2489         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2490
2491 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2492
2493         * auto-profile.c (read_profile): Replace asserts with errors
2494         when file does not exist.
2495         * gcov-io.c (gcov_read_words): Dito.
2496
2497 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2498
2499         * tree-cfg.c (print_loop): Print likely upper bounds.
2500
2501 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2502
2503         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2504         * opts.c (default_options): Enable peel loops at -O3.
2505         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2506         (try_peel_loop): Do not re-peel already peeled loops;
2507         use likely upper bounds; fix profile updating.
2508         (pass_complete_unroll::execute): Initialize peeled_loops.
2509
2510 2016-05-30  Martin Liska  <mliska@suse.cz>
2511
2512         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2513         computed costs by frequency of BB they belong to.
2514         (get_scaled_computation_cost_at): New function.
2515
2516 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2517             Marc Glisse  <marc.glisse@inria.fr>
2518
2519         PR tree-optimization/71289
2520         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2521
2522 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2523
2524         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2525
2526 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2527
2528         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2529         for peeled copies; avoid underflow when updating estimates; correctly
2530         scale loop profile.
2531
2532 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2533
2534         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2535         r236875. Corrected oe3 to oe2 as obvious.
2536
2537 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2538
2539         PR middle-end/71269
2540         PR middle-end/71252
2541         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2542         that inserted stmt will not dominate stmts that defines its operand.
2543         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2544         (rewrite_expr_tree_parallel): Likewise.
2545
2546 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2547
2548         PR middle-end/71252
2549         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2550         all fields including stmt_to_insert are swapped.
2551
2552 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2553
2554         * predict.h (force_edge_cold): Declare.
2555         * predict.c (force_edge_cold): New function.
2556         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2557         updating.
2558         (canonicalize_loop_induction_variables): Fix formating.
2559
2560 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2561
2562         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2563         (visium_expand_copysign): Use gen_int_mode directly.
2564         (visium_compute_frame_size): Minor tweaks.
2565
2566 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2567
2568         * tree-vect-loop.c (vect_analyze_loop_2): Use
2569         likely_max_stmt_executions_int.
2570
2571 2016-05-30  Tom de Vries  <tom@codesourcery.com>
2572
2573         PR tree-optimization/69067
2574         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2575
2576 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
2577
2578         PR target/71245
2579         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2580         New peepholes to remove unneeded fild/fistp pairs.
2581         (define_peephole2 atomic_loaddi_fpu): Ditto.
2582
2583 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2584
2585         * predict.c (maybe_hot_frequency_p): Avoid division.
2586
2587 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
2588
2589         * doc/install.texi: Use https for shop.fsf.org.
2590
2591 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2592
2593         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2594         likely_max_stmt_executions_int.
2595
2596 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2597
2598         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2599         likely_max_stmt_executions_int.
2600
2601 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2602
2603         * profile.c (compute_branch_probabilities): Do not report hitrates
2604         here.
2605         (branch_prob): Report hitrates here.
2606         * predict.c (gimple_predict_edge): Do not assert profile status;
2607         fix formatting issues.
2608
2609 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2610
2611         * predict.c (edge_predicted_by_p): New function.
2612         (predict_paths_for_bb): Do not put multiple predictions of the same type
2613         on one edge.
2614
2615 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2616
2617         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2618         commit.
2619
2620 2016-05-28  Alan Modra  <amodra@gmail.com>
2621
2622         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2623
2624 2016-05-28  Alan Modra  <amodra@gmail.com>
2625
2626         PR rtl-optimization/71275
2627         * ira.c (ira): Free dominance info.
2628
2629 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
2630
2631         * doc/sourcebuild.texi: New address for upstream Go repository.
2632
2633 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2634
2635         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2636         (TARGET_ARM_V7M): Likewise.
2637
2638 2016-05-26  Jeff Law  <law@redhat.com>
2639
2640         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2641         (thread_across_edge): Remove calls to find_jump_threads_backwards.
2642         * passes.def: Add jump threading passes before DOM/VRP.
2643         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2644         argument to a basic block from an edge.  Remove tests which are
2645         handled elsewhere.
2646         (pass_data_thread_jumps, class pass_thread_jumps): New.
2647         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2648         (make_pass_thread_jumps): Likewise.
2649         * tree-pass.h (make_pass_thread_jumps): Declare.
2650
2651 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2652
2653         * config/visium/visium-protos.h (split_double_move): Rename into...
2654         (visium_split_double_move): ...this.
2655         (visium_split_double_add): Declare.
2656         * config/visium/visium.c (split_double_move): Rename into...
2657         (visium_split_double_move): ...this.
2658         (visium_split_double_add): New function.
2659         (visium_expand_copysign): Renumber operands for consistency.
2660         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2661         (DFmode move splitter): Likewise.
2662         (*addi3_insn): Split by means of visium_split_double_add.
2663         (*adddi3_insn_flags): Delete.
2664         (*plus_plus_sltu<subst_arith>): New insn.
2665         (*subdi3_insn): Split by means of visium_split_double_add.
2666         (subdi3_insn_flags): Delete.
2667         (*minus_minus_sltu<subst_arith>): New insn.
2668         (*negdi2_insn): Split by means of visium_split_double_add.
2669         (*negdi2_insn_flags): Delete.
2670
2671 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
2672
2673         * configure.ac: Treat a --with-headers option without argument
2674         the same as the default (i.e. consult sys-include directory).
2675         * configure: Regenerate.
2676
2677 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2678
2679         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2680         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2681         prototype.
2682         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2683         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2684
2685 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2686
2687         PR target/63596
2688         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2689         tree-stdarg analysis results.
2690         (aarch64_setup_incoming_varargs): Likewise.
2691
2692 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2693
2694         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2695         va_list_gpr_counter_field and va_list_fpr_counter_field.
2696
2697 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
2698
2699         PR67609
2700         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2701         * config/aarch64/aarch64.c
2702         (aarch64_cannot_change_mode_class): Remove function.
2703         * config/aarch64/aarch64-protos.h
2704         (aarch64_cannot_change_mode_class): Remove.
2705
2706 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2707
2708         * cfgloop.c (record_niter_bound): Record likely upper bounds.
2709         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2710         get_likely_max_loop_iterations_int): New.
2711         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2712         any_likely_upper_bound.
2713         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2714         Declare.
2715         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2716         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2717         upper bound.
2718         (unroll_loop_constant_iterations): Likewise.
2719         (unroll_loop_runtime_iterations): Likewise.
2720         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2721         * lto-streamer-out.c (output_cfg): Likewise.
2722         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2723         bounds.
2724         (canonicalize_loop_induction_variables): Dump likely upper bounds.
2725         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2726         (likely_max_loop_iterations): New.
2727         (likely_max_loop_iterations_int): New.
2728         (likely_max_stmt_executions): New.
2729         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2730         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2731         likely_max_stmt_executions): Declare.
2732
2733 2016-05-27  Marek Polacek  <polacek@redhat.com>
2734
2735         PR middle-end/71308
2736         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2737
2738 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2739
2740         * config/s390/s390.md (2x risbg splitters): Use
2741         reg_overlap_mentioned_p instead of rtx_equal_p.
2742
2743 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2744
2745         * combine.c (make_compound_operation): Take known zero bits into
2746         account when checking for possible zero_extend.
2747
2748 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2749
2750         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2751         Use const_int_operand for operand 2 predicate.  Simplify expand code
2752         as a result.
2753
2754 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
2755
2756         PR middle-end/71279
2757         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2758         into comparison.
2759
2760 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2761
2762         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2763         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2764         that returns CC_SESWPmode and CC_ZESWPmode.
2765         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2766         and CC_SESWPmode.
2767         (aarch64_rtx_costs): Likewise.
2768
2769 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2770
2771         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2772         for ISA 3.0 min/max support.
2773         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2774         conditional move support.
2775         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2776         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2777         available.
2778         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2779         conditional moves where the comparison type is different from move
2780         type.
2781         (fp_minmax): New code iterator for smin/smax.
2782         (minmax): New code attributes for min/max.
2783         (SMINMAX): Likewise.
2784         (smax<mode>3): Combine min, max insns into one insn using the
2785         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2786         instructions that don't need -ffast-math.
2787         (s<minmax><mode>3): Likewise.
2788         (smax<mode>3_vsx): Likewise.
2789         (smin<mode>3): Likewise.
2790         (s<minmax><mode>3_vsx): Likewise.
2791         (smin<mode>3_vsx): Likewise.
2792         (pre-VSX min/max splitters): Likewise.
2793         (s<minmax><mode>3_fpr): Likewise.
2794         (movsfcc): Rewrite floating point conditional moves to combine
2795         SFmode/DFmode into a single insn.
2796         (mov<mode>cc): Likewise.
2797         (movdfcc): Likewise.
2798         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2799         SFDF2 iterators to handle all combinations.
2800         (fseldfsf4): Likewise.
2801         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2802         (fseldfdf4): Likewise.
2803         (fselsfdf4): Likewise.
2804         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2805         comparison instructions that set a 0/-1 mask, and use it for
2806         floating point conditional move via XXSEL.
2807         (fpmask<mode>): Likewise.
2808         (xxsel<mode>): Likewise.
2809         * config/rs6000/predicates.md (min_max_operator): Delete, no
2810         longer used.
2811         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2812         instructions that generate a 0/-1 mask for use with XXSEL.
2813         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2814         say whether floating point min/max is available, either through
2815         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2816         (TARGET_MINMAX_DF): Likewise.
2817
2818 2016-05-27  Alan Modra  <amodra@gmail.com>
2819
2820         PR rtl-optimization/71275
2821         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2822         for update_equiv_regs and combine_and_move_insns.
2823
2824 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
2825
2826         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2827         if_then_else or cond RTXes to calculate attribute value.
2828         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2829         <attr "length_immediate>: Ditto.
2830         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2831         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2832         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2833         <attr "type">: Ditto.
2834         <attr "prefix_data16">: Ditto.
2835         <attr "prefix_extra">: Ditto.
2836         <attr "length_immediate">: Ditto.
2837         <attr "prefix">: Ditto.
2838         (vec_set<mode>_0) <attr "isa">: Ditto.
2839         <attr "prefix_extra">: Ditto.
2840         <attr "length_immediate">: Ditto.
2841         <attr "prefix">: Ditto.
2842         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2843         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2844         (sse2_storelpd) <attr "prefix_data16">: Ditto.
2845         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2846         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2847         <attr "length_immediate">: Ditto.
2848         <attr "prefix">: Ditto.
2849         (sse2_movsd) <attr "length_immediate">: Ditto.
2850         <attr "prefix">: Ditto.
2851         (vec_concatv2df)  <attr "isa">: Ditto.
2852         <attr "prefix">: Ditto.
2853         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2854         (*vec_extractv2di_1) <attr "isa">: Ditto.
2855         <attr "type">: Ditto.
2856         <attr "length_immediate">: Ditto.
2857         <attr "prefix_rex">: Ditto.
2858         <attr "prefix_extra">: Ditto.
2859         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2860         <attr "prefix_extra">: Ditto.
2861         <attr "length_immediate">: Ditto.
2862         (vec_concatv2di) <attr "isa">: Ditto.
2863         <attr "prefix_extra">: Ditto.
2864         <attr "length_immediate">: Ditto.
2865         <attr "prefix">: Ditto.
2866
2867 2016-05-26  Martin Liska  <mliska@suse.cz>
2868
2869         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2870         function.
2871         (operator+): Likewise.
2872         (operator-): Likewise.
2873         (comp_cost::operator+=): Likewise.
2874         (comp_cost::operator-=): Likewise.
2875         (comp_cost::operator/=): Likewise.
2876         (comp_cost::operator*=): Likewise.
2877         (operator<): Likewise.
2878         (operator==): Likewise.
2879         (operator<=): Likewise.
2880         (new_cost): Remove.
2881         (infinite_cost_p): Likewise.
2882         (add_costs): Likewise.
2883         (sub_costs): Likewise.
2884         (compare_costs): Likewise.
2885         (set_group_iv_cost): Use the newly introduced functions.
2886         (get_address_cost): Likewise.
2887         (get_shiftadd_cost): Likewise.
2888         (force_expr_to_var_cost): Likewise.
2889         (split_address_cost): Likewise.
2890         (ptr_difference_cost): Likewise.
2891         (difference_cost): Likewise.
2892         (get_computation_cost_at): Likewise.
2893         (determine_group_iv_cost_generic): Likewise.
2894         (determine_group_iv_cost_address): Likewise.
2895         (determine_group_iv_cost_cond): Likewise.
2896         (autoinc_possible_for_pair): Likewise.
2897         (determine_group_iv_costs): Likewise.
2898         (cheaper_cost_pair): Likewise.
2899         (iv_ca_recount_cost): Likewise.
2900         (iv_ca_set_no_cp): Likewise.
2901         (iv_ca_set_cp): Likewise.
2902         (iv_ca_cost): Likewise.
2903         (iv_ca_new): Likewise.
2904         (iv_ca_dump): Likewise.
2905         (iv_ca_narrow): Likewise.
2906         (iv_ca_prune): Likewise.
2907         (iv_ca_replace): Likewise.
2908         (try_add_cand_for): Likewise.
2909         (try_improve_iv_set): Likewise.
2910         (find_optimal_iv_set): Likewise.
2911
2912 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
2913
2914         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
2915         that internal functions will clobber all caller-saved registers.
2916
2917 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2918
2919         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
2920         Return a better case_values_threshold when optimizing.
2921
2922 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2923
2924         * config/aarch64/aarch64-simd.md (aarch64_combinez):
2925         Add ? to integer variant.
2926         (aarch64_combinez_be): Likewise.
2927
2928 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
2929
2930         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
2931         instead of x constraint.
2932         (vcvtps2ph256<mask_name>): Likewise.
2933
2934         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
2935         alternative.  Formatting fix.
2936
2937         * config/i386/sse.md
2938         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
2939         to ...
2940         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
2941         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
2942         maybe_evex prefix instead of vex.
2943         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
2944         EXT_REX_SSE_REG_P (op0) case in the splitter.
2945
2946 2016-05-25  Jeff Law  <law@redhat.com>
2947
2948         PR tree-optimization/71272
2949         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
2950         Update comments.  Add test for empty path.
2951
2952 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
2953
2954         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
2955         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
2956         special case builtin.
2957         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2958         code for ALTIVEC_BUILTIN_VEC_CMPNE.
2959         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2960         for __builtin_vec_cmpne.
2961
2962 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2963
2964         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
2965         redundant test and bail out if the type of the new operand is not
2966         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
2967
2968 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2969
2970         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
2971         (x_ix86_target_flags_explicit): Remove.
2972         * config/i386/i386.c (ix86_function_specific_save): Do not copy
2973         x_ix86_target_flags_explicit.
2974         (ix86_function_specific_restore): Ditto.
2975
2976 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2977             H.J. Lu  <hongjiu.lu@intel.com>
2978
2979         PR target/70738
2980         * common/config/i386/i386-common.c
2981         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
2982         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
2983         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
2984         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
2985         (-mgeneral-regs-only): Add new option.
2986         * config/i386/i386.c (ix86_option_override_internal): Don't enable
2987         x87 instructions if only general registers are allowed.
2988         (ix86_target_string): Add ix86_flags argument. Handle additional
2989         flags options through ix86_flags argument.  Update all callers.
2990         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
2991
2992 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2993
2994         PR rtl-optimization/66940
2995         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
2996         decrementing desired_val will not overflow before performing these
2997         operations.
2998
2999 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
3000
3001         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
3002         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
3003         * config/i386/i386.c (enum ix86_builtins): Add
3004         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
3005         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
3006         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
3007         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
3008         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
3009         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
3010         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
3011         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
3012         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
3013         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
3014         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
3015         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
3016         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
3017         __builtin_ia32_cvtps2dq512_mask.
3018         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
3019         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
3020         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
3021         * config/i386/sse.md
3022         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
3023         Rename to ...
3024         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
3025         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
3026         to ...
3027         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
3028         (avx512f_vec_pack_sfix_v8df): New define_expand.
3029         (avx512f_roundpd512): Rename to ...
3030         (avx512f_round<castmode>512): ... this.  Change iterator.
3031         (avx512f_roundps512_sfix): New define_expand.
3032         (round<mode>2_sfix): Change iterator.
3033
3034 2016-05-25  Nick Clifton  <nickc@redhat.com>
3035
3036         * config/msp430/msp430.c (msp430_attr): Produce an error if a
3037         static interrupt handler is detected.
3038         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
3039         default linker script.
3040         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
3041         the low part of a symbolic pointer.
3042
3043 2016-05-25  Richard Biener  <rguenther@suse.de>
3044
3045         PR tree-optimization/71261
3046         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
3047         interesting stmt instead of immediate uses when looking
3048         for the use operand to replace.
3049
3050 2016-05-25  Martin Liska  <mliska@suse.cz>
3051
3052         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
3053
3054 2016-05-25  Richard Biener  <rguenther@suse.de>
3055
3056         PR tree-optimization/71264
3057         * tree-vect-stmts.c (vect_init_vector): Properly deal with
3058         vector type val.
3059
3060 2016-05-25  Martin Liska  <mliska@suse.cz>
3061
3062         PR tree-optimization/71239
3063         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
3064         if DECL_SIZE is NULL.
3065
3066 2016-05-25  Richard Biener  <rguenther@suse.de>
3067
3068         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
3069         * tree-if-conv.c (pass_data_if_conversion): Use it.
3070
3071 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3072
3073         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
3074         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
3075         * varpool.c (varpool_node::get_availability): Likewise.
3076
3077 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3078
3079         * config/rs6000/altivec.md (VNEG iterator): New iterator for
3080         VNEGW/VNEGD instructions.
3081         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
3082         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
3083         support for ISA 3.0 VNEGW/VNEGD instructions.
3084
3085 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
3086
3087         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
3088         pointers inside OACC_DATA regions.
3089         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
3090         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
3091         (gimplify_adjust_omp_clauses): Fix typo in comment.
3092
3093 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3094
3095         * config/rs6000/altivec.md (VParity): New mode iterator for vector
3096         parity built-in functions.
3097         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
3098         zeros.
3099         (p9v_parity<mode>2): Likewise.
3100         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
3101         parity.
3102         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3103         (parity<mode>2): ISA 3.0 expander for vector parity.
3104         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3105         power9 built-ins.
3106         (BU_P9_64BIT_MISC_0): Likewise.
3107         (BU_P9_MISC_0): Likewise.
3108         (BU_P9V_AV_1): Likewise.
3109         (BU_P9V_AV_2): Likewise.
3110         (BU_P9V_AV_3): Likewise.
3111         (BU_P9V_AV_P): Likewise.
3112         (BU_P9V_VSX_1): Likewise.
3113         (BU_P9V_OVERLOAD_1): Likewise.
3114         (BU_P9V_OVERLOAD_2): Likewise.
3115         (BU_P9V_OVERLOAD_3): Likewise.
3116         (VCTZB): Add vector count trailing zeros support.
3117         (VCTZH): Likewise.
3118         (VCTZW): Likewise.
3119         (VCTZD): Likewise.
3120         (VPRTYBD): Add vector parity support.
3121         (VPRTYBQ): Likewise.
3122         (VPRTYBW): Likewise.
3123         (VCTZ): Add overloaded vector count trailing zeros support.
3124         (VPRTYB): Add overloaded vector parity support.
3125         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3126         overloaded vector count trailing zeros and parity instructions.
3127         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3128         vector parity support.
3129         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3130         trailing zeros support.
3131         (vec_cntlz): Likewise.
3132         (vec_vctzb): Likewise.
3133         (vec_vctzd): Likewise.
3134         (vec_vctzh): Likewise.
3135         (vec_vctzw): Likewise.
3136         (vec_vprtyb): Add ISA 3.0 vector parity support.
3137         (vec_vprtybd): Likewise.
3138         (vec_vprtybw): Likewise.
3139         (vec_vprtybq): Likewise.
3140         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3141         the ISA 3.0 vector count trailing zeros and vector parity built-in
3142         functions.
3143
3144 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3145
3146         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3147         when there is stmt_to_insert.
3148
3149 2016-05-24  Martin Sebor  <msebor@redhat.com>
3150
3151         PR c++/71147
3152         * tree.h (complete_or_array_type_p): New inline function.
3153
3154 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3155
3156         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3157         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3158         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3159
3160         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3161         Limit 1st alternative to noavx isa, split 2nd alternative into one
3162         noavx and one avx alternative, use *x and Bm in the former and
3163         x and m in the latter.
3164
3165         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3166         of sse4 for the first alternative, drop %v from the template
3167         and d operand modifier.  Split second alternative into one sse4_noavx
3168         and one avx alternative, use *x instead of *v in the former and v
3169         instead of *v in the latter.
3170         (*sse4_1_extractps): Use noavx isa instead of * for the first
3171         alternative, drop %v from the template.  Split second alternative into
3172         one noavx and one avx alternative, use *x instead of *v in the
3173         former and v instead of *v in the latter.
3174         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3175         with noavx and the last one with avx.
3176         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3177         split the second one into one noavx and one avx alternative,
3178         use *x and Bm in the former and x and m in the latter one.
3179         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3180         alternatives.
3181
3182         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3183         first two alternatives to noavx, use *x instead of *v in the second
3184         one, add avx alternative without *.
3185         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3186         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3187         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3188
3189 2016-05-24  Jeff Law  <law@redhat.com>
3190
3191         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3192         New function, extracted from...
3193         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3194         Allow simple copies and constant initializations in the SSA chain.
3195
3196 2016-05-24  Marek Polacek  <polacek@redhat.com>
3197
3198         PR c/71249
3199         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3200         scope.
3201
3202 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3203
3204         PR c++/71257
3205         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3206         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3207         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3208         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3209         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3210
3211 2016-05-24  Richard Biener  <rguenther@suse.de>
3212
3213         PR tree-optimization/71240
3214         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3215         has integral type.
3216
3217 2016-05-24  Richard Biener  <rguenther@suse.de>
3218
3219         PR tree-optimization/71230
3220         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3221
3222 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3223
3224         * tree-vectorizer.h (vectorizable_comparison): Delete.
3225         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3226         PURE_SLP_STMT check.
3227         * tree-vect-stmts.c (vectorizable_call): Likewise.
3228         (vectorizable_simd_clone_call): Likewise.
3229         (vectorizable_conversion): Likewise.
3230         (vectorizable_assignment): Likewise.
3231         (vectorizable_shift): Likewise.
3232         (vectorizable_operation): Likewise.
3233         (vectorizable_load): Likewise.
3234         (vectorizable_condition): Likewise.
3235         (vectorizable_store): Likewise.  Assert that we don't have
3236         hybrid SLP.
3237         (vectorizable_comparison): Make static.  Remove redundant
3238         PURE_SLP_STMT check.
3239         (vect_transform_stmt): Assert that we always have an slp_node
3240         if PURE_SLP_STMT.
3241
3242 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3243
3244         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3245         operands[2] against 1 with comparison against CONST1_RTX.
3246         (<shift>di3_neon): Likewise.
3247         * config/arm/predicates.md (const0_operand): Replace with comparison
3248         against CONST0_RTX.
3249
3250 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3251
3252         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3253         operands[2] against 1 with comparison against CONST1_RTX.
3254         (ashrdi3): Likewise.
3255         (lshrdi3): Likewise.
3256         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3257         UINTVAL.
3258         (ashrsi3): Likewise.
3259         (lshrsi3): Likewise.
3260         (rotrsi3): Likewise.
3261         (define_split above *compareqi_eq0): Likewise.
3262         (define_split above "prologue"): Likewise.
3263         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3264         * config/arm/predicates.md (shift_operator): Likewise.
3265         (shift_nomul_operator): Likewise.
3266         (sat_shift_operator): Likewise.
3267         (thumb1_cmp_operand): Likewise.
3268         (const_neon_scalar_shift_amount_operand): Replace manual range
3269         check with IN_RANGE.
3270         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3271         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3272
3273 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3274
3275         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3276         with HOST_WIDE_INT_1.
3277         (insv): Likewise.
3278         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3279         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3280         (arm_canonicalize_comparison): Likewise.
3281         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3282         HOST_WIDE_INT_1.
3283         (thumb1_size_rtx_costs): Likewise.
3284         (vfp_const_double_index): Replace cast of 1 to unsigned
3285         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3286         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3287         HOST_WIDE_INT_1.
3288         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3289         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3290         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3291         HOST_WIDE_INT with HOST_WIDE_INT_1.
3292
3293 2016-05-24  Marek Polacek  <polacek@redhat.com>
3294
3295         * tree-cfg.h (should_remove_lhs_p): New predicate.
3296         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3297         * gimplify.c (gimplify_modify_expr): Likewise.
3298         * tree-cfg.c (verify_gimple_call): Likewise.
3299         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3300         * gimple-fold.c: Include "tree-cfg.h".
3301         (gimple_fold_call): Use should_remove_lhs_p.
3302
3303 2016-05-24  Richard Biener  <rguenther@suse.de>
3304
3305         PR tree-optimization/71253
3306         * cfganal.h (control_dependences): Make robust against edge
3307         and BB removal.
3308         (control_dependences::control_dependences): Remove edge_list argument.
3309         (control_dependences::get_edge): Remove.
3310         (control_dependences::get_edge_src): Add.
3311         (control_dependences::get_edge_dest): Likewise.
3312         (control_dependences::m_el): Make a vector of edge src/dest index.
3313         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3314         (control_dependences::control_dependences): Likewise.
3315         (control_dependences::~control_dependence): Likewise.
3316         (control_dependences::get_edge): Remove.
3317         (control_dependences::get_edge_src): Add.
3318         (control_dependences::get_edge_dest): Likewise.
3319         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3320         get_edge_src.
3321         (perform_tree_ssa_dce): Adjust.
3322         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3323         get_edge_src.
3324         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3325         conditional on changed.
3326
3327 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3328
3329         PR target/69857
3330         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3331         return.  Reindent transformation comment and mention the ARM state
3332         behavior.
3333
3334 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3335
3336         PR middle-end/71252
3337         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3338         after build_and_add_sum creates new use stmt.
3339
3340 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3341
3342         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3343         load_lanes/grouped_load classification comes first.  Don't check
3344         whether the vectorization factor is a multiple of the group size
3345         for load_lanes.
3346
3347 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3348
3349         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3350         GROUP_GAP for single-element interleaving.
3351         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3352         variable.
3353
3354 2016-05-24  Richard Biener  <rguenther@suse.de>
3355
3356         PR middle-end/70434
3357         PR c/69504
3358         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3359         bases which are accessed with non-invariant indices.
3360         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3361         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3362
3363 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3364
3365         PR middle-end/71170
3366         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3367         (add_to_ops_vec): Add stmt_to_insert.
3368         (add_repeat_to_ops_vec): Init stmt_to_insert.
3369         (insert_stmt_before_use): New.
3370         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3371         to ops vector.
3372         (get_ops): Init stmt_to_insert.
3373         (maybe_optimize_range_tests): Likewise.
3374         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3375         (rewrite_expr_tree_parallel): Likewise.
3376         (reassociate_bb): Likewise.
3377
3378 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3379
3380         PR target/71201
3381         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3382         ISA 3.0 xxperm fusion alternative.
3383         (altivec_vperm_v8hiv16qi): Likewise.
3384         (altivec_vperm_<mode>_uns_internal): Likewise.
3385         (vperm_v8hiv4si): Likewise.
3386         (vperm_v16qiv8hi): Likewise.
3387
3388 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3389             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3390
3391         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3392         vpermr/xxpermr on ISA 3.0.
3393         (altivec_expand_vec_perm_le): Likewise.
3394         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3395         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3396         ISA 3.0.
3397
3398 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3399
3400         * config/i386/i386.h (IS_STACK_MODE): Enable for
3401         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3402         SSE_FLOAT_MODE_P macros.
3403         * config/i386/i386.c (ix86_preferred_reload_class): Use
3404         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3405         Cleanup regclass processing for CONST_DOUBLE_P.
3406         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3407         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3408         with IS_STACK_MODE macro.
3409         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3410         with TARGET_SSE2.
3411         (*movdf_internal): Use IS_STACK_MODE macro.
3412         (*movsf_internal): Ditto.
3413
3414 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3415
3416         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3417         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3418
3419 2016-05-23  Jeff Law  <law@redhat.com>
3420
3421         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3422         extracted from ...
3423         (fsm_find_control_statement_thread_paths): Call it.
3424
3425 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3426
3427         PR ipa/71234
3428         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3429         from_global_constant if t is not NULL.
3430
3431 2016-05-23  Marek Polacek  <polacek@redhat.com>
3432
3433         PR c/49859
3434         * common.opt (Wswitch-unreachable): New option.
3435         * doc/invoke.texi: Document -Wswitch-unreachable.
3436         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3437         warning.
3438
3439 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3440
3441         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3442         TMR_INDEX is non-NULL.
3443
3444 2016-05-23  Richard Biener  <rguenther@suse.de>
3445
3446         PR tree-optimization/71230
3447         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3448         (try_special_add_to_ops): ... here.  Always test for single-use.
3449
3450 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3451
3452         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3453         default block if a PHI node in the original one would be resized.
3454
3455 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3456
3457         PR tree-optimization/58135
3458         * tree-vect-slp.c: When group size is not multiple
3459         of vector size, allow splitting of store group at
3460         vector boundary.
3461
3462 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3463
3464         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3465
3466 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3467
3468         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3469         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3470         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3471         of 64x2.
3472
3473         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3474         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3475         v constraint instead of x and vinserti32x4 insn.
3476
3477         * config/i386/sse.md (i128vldq): New mode iterator.
3478         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3479         avx512dq and avx512vl alternatives.
3480
3481         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3482         constraint, use maybe_evex prefix instead of vex.
3483         (vec_dupv4sf): Use v constraint instead of x for output
3484         operand except for noavx alternative, use Yv constraint
3485         instead of x for input.  Use maybe_evex prefix instead of vex.
3486         (*vec_dupv4si): Likewise.
3487         (*vec_dupv2di): Likewise.
3488
3489 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3490
3491         PR middle-end/40921
3492         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3493         (linearize_expr_tree): Call try_special_add_to_ops.
3494         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3495
3496 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3497
3498         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3499         to computed stack_usage.
3500
3501 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3502
3503         PR target/71103
3504         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3505         operand is subreg (symbol_ref) then move the symbol ref to register.
3506
3507 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3508
3509         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3510
3511 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3512
3513         PR middle-end/71179
3514         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3515         VECTOR type.
3516
3517 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3518
3519         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3520         ranges by calling get_single_symbol and tidy up.  Look more closely
3521         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3522
3523 2016-05-20  Jeff Law  <law@redhat.com>
3524
3525         * bitmap.c (bitmap_find_bit): Remove useless test.
3526
3527 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3528
3529         * function.c (thread_prologue_and_epilogue_insns): Commit the
3530         insertion of the epilogue.
3531
3532 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3533
3534         PR tree-optimization/70884
3535         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3536         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3537         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3538         of constant pool data as a reason for scalarization.
3539
3540 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3541
3542         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3543         for naked functions.
3544         (thumb1_expand_prologue): Likewise.
3545
3546 2016-05-20  Nathan Sidwell  <nathan@acm.org>
3547
3548         * config/nvptx/nptx.c (nvptx_option_override): Only set
3549         flag_toplevel_reorder, if not explicitly specified.  Set
3550         flag_no_common, unless explicitly specified.
3551
3552 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3553
3554         * calls.c (can_implement_as_sibling_call_p): Mark param
3555         reg_parm_stack_space with ATTRIBUTE_UNUSED.
3556
3557 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3558
3559         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3560         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3561         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3562         constants.
3563         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3564         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3565         and CASE_CONST_ANY.
3566
3567 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
3568
3569         * config/nvptx/nvptx.md (sincossf3): New pattern.
3570
3571 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3572
3573         * calls.c (maybe_complain_about_tail_call): New function.
3574         (initialize_argument_information): Call
3575         maybe_complain_about_tail_call when clearing *may_tailcall.
3576         (can_implement_as_sibling_call_p): Call
3577         maybe_complain_about_tail_call when returning false.
3578         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3579         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
3580         if tail-call optimization fails.
3581         * cfgexpand.c (expand_call_stmt): Initialize
3582         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3583         * gimple-pretty-print.c (dump_gimple_call): Dump
3584         gimple_call_must_tail_p.
3585         * gimple.c (gimple_build_call_from_tree): Call
3586         gimple_call_set_must_tail with the value of
3587         CALL_EXPR_MUST_TAIL_CALL.
3588         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3589         (gimple_call_set_must_tail): New function.
3590         (gimple_call_must_tail_p): New function.
3591         * print-tree.c (print_node): Update printing of TREE_STATIC
3592         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3593         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3594         trailing comment listing applicable flags.
3595         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3596
3597 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3598
3599         * calls.c (expand_call): Move "Rest of purposes for tail call
3600         optimizations to fail" to...
3601         (can_implement_as_sibling_call_p): ...this new function, and
3602         split into multiple "if" statements.
3603
3604 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3605
3606         * cfgloop.h (expected_loop_iterations_unbounded,
3607         expected_loop_iterations): Unconstify.
3608         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3609         profile with known upper bound; return 3 when profile is absent.
3610         (expected_loop_iterations): Update.
3611
3612 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3613
3614         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3615         and get_max_loop_iterations_int.
3616
3617 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3618
3619         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3620         realistic upper bounds here.
3621
3622 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3623
3624         PR c++/71210
3625         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3626         calls if the LHS is variable length or has addressable type.
3627         If targets[0]->decl is a noreturn call with void return type and
3628         zero arguments, adjust fntype and remove lhs in that case.
3629
3630 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
3631
3632         PR tree-optimization/71079
3633         PR tree-optimization/71206
3634         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3635
3636 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3637
3638         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3639         (get_vec_alignment_for_array_decl): Likewise.
3640         (get_vec_alignment_for_record_decl): Likewise.
3641         (increase_alignment::execute): Move code to find alignment to
3642         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3643         (type_align_map): New hash_map.
3644
3645 2016-05-20  Richard Guenther  <rguenther@suse.de>
3646
3647         PR tree-optimization/29756
3648         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3649         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3650         * fold-const.c (operand_equal_p): Likewise.
3651         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3652         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3653         * tree-inline.c (estimate_operator_cost): Likewise.
3654         * tree-pretty-print.c (dump_generic_node): Likewise.
3655         * tree-ssa-operands.c (get_expr_operands): Likewise.
3656         * cfgexpand.c (expand_debug_expr): Likewise.
3657         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3658         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3659         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3660         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3661         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3662         (execute_update_addresses_taken): Do it.
3663
3664 2016-05-20  Richard Biener  <rguenther@suse.de>
3665
3666         PR tree-optimization/71185
3667         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3668         register operations.
3669
3670 2016-05-20  Richard Biener  <rguenther@suse.de>
3671
3672         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3673         gimple_seq_add_seq_without_update.
3674         (release_bb_predicate): Assert we have no operands to free.
3675         (if_convertible_loop_p_1): Calculate post dominators later.
3676         Do not free BB predicates here.
3677         (combine_blocks): Do not recompute BB predicates.
3678         (version_loop_for_if_conversion): Save BB predicates around
3679         loop versioning.
3680
3681 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3682
3683         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3684         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
3685         code.  Ignore sibcalls on EDGE_IGNORE edges.
3686         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
3687         on edges for sibcalls that run without prologue.  The rest of the
3688         function is combined from...
3689         (fix_fake_fallthrough_edge): ... this, and ...
3690         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
3691         function argument, make it a local variable.
3692
3693 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
3694
3695         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3696         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3697         for 32-bit mode and SEH for 64-bit.
3698         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3699         TARGET_64BIT_DEFAULT.
3700
3701 2016-05-19  Ryan Burn  <contact@rnburn.com>
3702
3703         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3704         * gengtype.c (open_base_files): Add cilk.h to ifiles.
3705
3706 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
3707
3708         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3709         force pending loads from memory.
3710
3711 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3712
3713         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3714         (UNSPEC_DARN_32): New unspec constant.
3715         (UNSPEC_DARN_RAW): New unspec constant.
3716         (darn_32): New instruction.
3717         (darn_raw): New instruction.
3718         (darn): New instruction.
3719         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3720         support and documentation for this macro.
3721         (BU_P9_MISC_1): New macro definition.
3722         (BU_P9_64BIT_MISC_0): New macro definition.
3723         (BU_P9_MISC_0): New macro definition.
3724         (darn_32): New builtin definition.
3725         (darn_raw): New builtin definition.
3726         (darn): New builtin definition.
3727         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3728         RS6000_BUILTIN_0 directives to surround each occurrence of
3729         #include "rs6000-builtin.def".
3730         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3731         RS6000_BTM_64BIT flags to the returned mask, depending on
3732         configuration.
3733         (def_builtin): Correct an error in the assignments made to the
3734         debugging variable attr_string.
3735         (rs6000_expand_builtin): Add support for no-operand built-in
3736         functions.
3737         (builtin_function_type): Remove fatal_error assertion that is no
3738         longer valid.
3739         (rs6000_common_init_builtins): Add support for no-operand built-in
3740         functions.
3741         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3742         definition.
3743         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3744         definition.
3745         (RS6000_BTM_64BIT): New macro definition.
3746         * doc/extend.texi: Document __builtin_darn (void),
3747         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3748         functions.
3749
3750 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
3751
3752         * tree-vect-loop.c (vect_analyze_loop_2): Use also
3753         max_loop_iterations_int.
3754
3755 2016-05-19  Marek Polacek  <polacek@redhat.com>
3756
3757         PR tree-optimization/71031
3758         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3759         condition and adjust the code a bit.
3760
3761 2016-05-19  Martin Liska  <mliska@suse.cz>
3762
3763         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3764         auto_vec instead of vec.
3765
3766 2016-05-19  Martin Liska  <mliska@suse.cz>
3767
3768         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3769
3770 2016-05-19  Martin Liska  <mliska@suse.cz>
3771
3772         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3773
3774 2016-05-19  Martin Liska  <mliska@suse.cz>
3775
3776         * ipa-pure-const.c (set_function_state): Remove an existing
3777         funct_state.
3778         (remove_node_data): Do not free it as it's released
3779         in set_function_state.
3780
3781 2016-05-19  Martin Liska  <mliska@suse.cz>
3782
3783         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3784         bitmap.
3785
3786 2016-05-19  Martin Liska  <mliska@suse.cz>
3787
3788         * omp-simd-clone.c (simd_clone_adjust): Release vector.
3789
3790 2016-05-19  Martin Liska  <mliska@suse.cz>
3791
3792         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3793         an auto_vec instead of re-creating it.
3794
3795 2016-05-19  Martin Liska  <mliska@suse.cz>
3796
3797         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3798         auto_vec instead of vec.
3799
3800 2016-05-19  Martin Liska  <mliska@suse.cz>
3801
3802         * lto-section-in.c (lto_get_section_data): Call
3803         lto_check_version with additional argument.
3804         * lto-streamer.c (lto_check_version): Add new argument.
3805         * lto-streamer.h (lto_check_version): Likewise.
3806
3807 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3808
3809         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3810         Don't add cost of inner memory when handling sign-extended loads.
3811
3812 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
3813
3814         PR rtl-optimization/71148
3815         * cse.c (cse_main): Free dominance info.
3816         (rest_of_handle_cse): Don't free dominance info.
3817         (rest_of_handle_cse2): Likewise.
3818         (rest_of_handle_cse_after_global_opts): Likewise.
3819
3820 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3821
3822         PR target/71056
3823         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3824         NULL_TREE early if NEON is not available.  Remove now redundant check
3825         in ARM_CHECK_BUILTIN_MODE.
3826
3827 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
3828
3829         PR sanitizer/64354
3830         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3831         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3832         * doc/cpp.texi: Document new macros.
3833
3834 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
3835
3836         PR tree-optimization/69848
3837         * tree-vect-loop.c (vectorizable_reduction): Don't factor
3838         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3839
3840 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3841
3842         * function.c (thread_prologue_and_epilogue_insn): Move the
3843         "goto epilogue_done" one block later.
3844
3845 2016-05-19  Richard Biener  <rguenther@suse.de>
3846
3847         PR tree-optimization/70729
3848         * passes.def: Move LIM pass before PRE.  Remove no longer
3849         required copyprop and move first DCE out of the loop pipeline.
3850
3851 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
3852
3853         PR driver/69265
3854         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3855         (OBJS-libcommon-target): ...here.
3856         * opts-common.c: Include spellcheck.h.
3857         (cmdline_handle_error): Build a vec of valid options and use it
3858         to suggest provide hints for misspelled arguments.
3859
3860 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3861
3862         PR c++/71100
3863         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3864         lhs if it has TREE_ADDRESSABLE type.
3865
3866 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3867
3868         PR target/71145
3869         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3870         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3871
3872 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3873
3874         PR ipa/69708
3875         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3876         input for NOP_EXPR pass-through functions.
3877         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3878         aggregate global constant VAR_DECLs in constant jump functions.
3879
3880 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3881
3882         PR ipa/69708
3883         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3884         from TREE_READONLY parameters.
3885
3886 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3887
3888         PR ipa/69708
3889         * cgraph.h (cgraph_indirect_call_info): New field
3890         guaranteed_unmodified.
3891         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3892         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3893         appropriate.
3894         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3895         pass the parameter value to ipa_find_agg_cst_for_param.
3896         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
3897         guaranteed_unmodified, store AA results there instead of bailing out
3898         if present.
3899         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
3900         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
3901         (find_constructor_constant_at_offset): New function.
3902         (ipa_find_agg_cst_from_init): Likewise.
3903         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
3904         static initializers of contants, report back through a new paameter
3905         from_global_constant if that was the case.
3906         (try_make_edge_direct_simple_call): Also pass parameter value to
3907         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3908         appropriate.
3909         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
3910         (ipa_read_indirect_edge_info): Likewise.
3911         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
3912         (ipa_load_from_parm_agg): Likewise.
3913
3914 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
3915
3916         PR rtl-optimization/71150
3917         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
3918         check.
3919
3920 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3921
3922         PR target/70915
3923         * config/rs6000/constraints.md (wE constraint): New constraint
3924         for a vector constant that can be loaded with XXSPLTIB.
3925         (wM constraint): New constraint for a vector constant of a 1's.
3926         (wS constraint): New constraint for a vector constant that can be
3927         loaded with XXSPLTIB and a vector sign extend instruction.
3928         * config/rs6000/predicates.md (xxspltib_constant_split): New
3929         predicates for wE/wS constraints.
3930         (xxspltib_constant_nosplit): Likewise.
3931         (easy_vector_constant): Add support for constants that can be
3932         loaded via XXSPLTIB.
3933         (all_ones_constant): New predicate for vector constant with all
3934         1's set.
3935         (splat_input_operand): Add support for ISA 3.0 word splat operations.
3936         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
3937         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
3938         instruction and possibly with a sign extension.
3939         (output_vec_const_move): Add support for XXSPLTIB. If we are
3940         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
3941         instead of XXLXOR/XXLORC.
3942         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
3943         operations.
3944         (rs6000_legitimize_reload_address): Likewise.
3945         (rs6000_output_move_128bit): Use output_vec_const_move to emit
3946         constants.
3947         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
3948         combine VSX_M and VSX_M2 into one iterator.
3949         (VSX_M2): Likewise.
3950         (VSINT_84): New iterators for loading constants with XXSPLTIB.
3951         (VSINT_842): Likewise.
3952         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
3953         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
3954         XXSPLTIB instruction.
3955         (xxspltib_<mode>_nosplit): Likewise.
3956         (xxspltib_<mode>_split): New insn to load up constants with
3957         XXSPLTIB and a sign extend instruction.
3958         (vsx_mov<mode>): Replace single move that handled all vector types
3959         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
3960         moves (when -mvsx-timode is in effect) into the main vector
3961         moves.  Eliminate separate moves for <VSr> <VSa>, where the
3962         preferred register class (<VSr>) is listed first, and the
3963         secondary register class (<VSa>) is listed second with a '?' to
3964         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
3965         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
3966         that if the register was involved in a slow operation, the
3967         clear/set operation does not wait for the slow operation to
3968         finish.  Adjust the length attributes for 32-bit mode.  Use
3969         rs6000_output_move_128bit and drop the use of the string
3970         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
3971         spacing so that the alternatives and attributes don't generate
3972         long lines, and put things in columns, so that it is easier to
3973         match up the operands and attributes with the insn alternatives.
3974         (vsx_mov<mode>_64bit): Likewise.
3975         (vsx_mov<mode>_32bit): Likewise.
3976         (vsx_movti_64bit): Fold movti into normal vector moves.
3977         (vsx_movti_32bit): Likewise.
3978         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
3979         splat instructions.
3980         (vsx_splat_v4si_internal): Likewise.
3981         (vsx_splat_v4sf_internal): Likewise.
3982         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
3983         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
3984         extend vector elements.
3985         (vsx_sign_extend_hi_<mode>): Likewise.
3986         (vsx_sign_extend_si_v2di): Likewise.
3987         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
3988         declaration.
3989         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
3990         constraints.  Add trailing period to wL documentation.
3991
3992 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
3993
3994         PR middle-end/71020
3995         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
3996         * tree-dfa.c (replace_abnormal_ssa_names): New function.
3997         * tree-call-cdce.c: Include tree-dfa.h.
3998         (can_guard_call_p): New function, extracted from...
3999         (can_use_internal_fn): ...here.
4000         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
4001         and return void.
4002         (shrink_wrap_one_built_in_call): Likewise.
4003         (use_internal_fn): Likewise.
4004         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
4005         and return void.  Call replace_abnormal_ssa_names.
4006         (pass_call_cdce::execute): Check can_guard_call_p during the
4007         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
4008         will always change something.
4009
4010 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4011
4012         PR ipa/70646
4013         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
4014         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
4015
4016 2016-05-18  Martin Jambor  <mjambor@suse.cz>
4017
4018         PR ipa/70646
4019         * ipa-inline.h (condition): New field size.
4020         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
4021         for comaprison and store it into the new condition.
4022         (evaluate_conditions_for_known_args): Use condition size to check
4023         access sizes for all but CHANGED conditions.
4024         (unmodified_parm_1): New parameter size_p, store access size into it.
4025         (unmodified_parm): Likewise.
4026         (unmodified_parm_or_parm_agg_item): Likewise.
4027         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
4028         (set_cond_stmt_execution_predicate): Extract access sizes and store
4029         them to conditions.
4030         (set_switch_stmt_execution_predicate): Likewise.
4031         (will_be_nonconstant_expr_predicate): Likewise.
4032         (will_be_nonconstant_predicate): Likewise.
4033         (inline_read_section): Stream condition size.
4034         (inline_write_summary): Likewise.
4035
4036 2016-05-18  Richard Biener  <rguenther@suse.de>
4037
4038         * tree-ssa-loop-im.c (determine_max_movement): Properly add
4039         condition cost to PHI cost instead of total_cost.
4040
4041 2016-05-18  Martin Liska  <mliska@suse.cz>
4042
4043         PR fortran/70856
4044         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
4045         merged variables.
4046
4047 2016-05-18  Richard Biener  <rguenther@suse.de>
4048
4049         * lto-streamer.h (LTO_major_version): Bump to 6.
4050
4051 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4052
4053         * function.c (make_split_prologue_seq, make_prologue_seq,
4054         make_epilogue_seq): New functions, factored out from...
4055         (thread_prologue_and_epilogue_insns): Here.
4056
4057 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
4058
4059         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
4060         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
4061         of before.  Add a comment.
4062
4063 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
4064
4065         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
4066         expression pointer, not pointer to the pointer.
4067
4068 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
4069
4070         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
4071         (avx2_pbroadcast<mode>): Add another alternative with v instead
4072         of x constraints in it, using <pbroadcast_evex_isa> isa.
4073         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
4074
4075         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
4076         constraint x instead of v in second alternative, add avx512bw
4077         alternative.
4078
4079         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
4080         constraint x instead of v in second alternative, add avx512bw
4081         alternative.
4082
4083         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
4084         constraint x instead of v in second alternative, add avx512bw
4085         alternative.
4086
4087         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
4088         avx512bw alternative.
4089
4090 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4091
4092         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
4093         array to 128 chars.
4094         (define_insn "*andnottf3"): Ditto.
4095         (define_insn "*<code><mode>3"/any_logic): Ditto.
4096         (define_insn "*<code>tf3"/any_logic): Ditto.
4097         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
4098         operand to block AVX-512VL insn variant emit when it is not enabled.
4099
4100 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
4101
4102         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4103         constraint fot SF mode.
4104
4105 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4106             Kirill Yukhin  <kirill.yukhin@intel.com>
4107
4108         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4109         modifiers.
4110         (define_insn "rsqrt14<mode>"): Ditto.
4111         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4112         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4113         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4114         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4115         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4116         Ditto.
4117         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4118         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4119         * config/i386/i386.c (ix86_print_operand): Expand check for size
4120         override codes for Intel syntax.
4121
4122 2016-05-18  Richard Biener  <rguenther@suse.de>
4123
4124         PR tree-optimization/71168
4125         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4126         initialization earlier.
4127
4128 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4129
4130         * config/aarch64/aarch64-simd.md
4131         (aarch64_reduc_plus_internal<mode>): Rename to...
4132         (reduc_plus_scal): ...This, and remove previous implementation.
4133
4134 2016-05-18  Richard Biener  <rguenther@suse.de>
4135
4136         * passes.def: Put late dse and cd_dce in canonical order.
4137
4138 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4139
4140         * ipa-inline-transform.c (preserve_function_body_p): Look for
4141         first non-thunk clone.
4142         (save_function_body): Save into first non-thunk.
4143         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4144         up call stmt id.
4145         (lto_output_node): Inline thunks don't need body in every
4146         partition.
4147         * lto-streamer-in.c: Do not fixup thunk clones.
4148         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4149         thunks.
4150         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4151         folding suceeds.
4152
4153 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4154
4155         PR middle-end/63586
4156         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4157         (reassociate_bb): Call transform_add_to_multiply.
4158
4159 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4160
4161         * config/aarch64/aarch64.c (all_extensions): Removed unused
4162         static variable.
4163
4164 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4165
4166         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4167         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4168
4169 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4170
4171         PR tree-optimization/54579
4172         PR middle-end/55299
4173         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4174
4175 2016-05-17  Marek Polacek  <polacek@redhat.com>
4176
4177         PR ipa/71146
4178         * tree-inline.c (expand_call_inline): Call
4179         maybe_remove_unused_call_args.
4180
4181 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4182
4183         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4184         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4185         * doc/md.texi (fmin@var{m}3): Likewise.
4186
4187 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4188
4189         * match.pd (X & C): New transformation.
4190
4191 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4192
4193         * match.pd (~X & Y): New transformation.
4194
4195 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4196
4197         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4198         information for new SSA_NAME.
4199         (simplify_conversion_using_ranges): Get range through get_range_info
4200         instead of get_value_range.
4201
4202 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4203
4204         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4205         Remove inline assembly.
4206         (vmvn_s16): Likewise.
4207         (vmvn_s32): Likewise.
4208         (vmvn_u8): Likewise.
4209         (vmvn_u16): Likewise.
4210         (vmvn_u32): Likewise.
4211         (vmvnq_s8): Likewise.
4212         (vmvnq_s16): Likewise.
4213         (vmvnq_s32): Likewise.
4214         (vmvnq_u8): Likewise.
4215         (vmvnq_u16): Likewise.
4216         (vmvnq_u32): Likewise.
4217         (vmvn_p8): Likewise.
4218         (vmvnq_p16): Likewise.
4219
4220 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4221
4222         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4223         Use builtin.
4224         (vmul_n_s16): Likewise.
4225         (vmul_n_s32): Likewise.
4226         (vmul_n_u16): Likewise.
4227         (vmul_n_u32): Likewise.
4228         (vmulq_n_f32): Likewise.
4229         (vmulq_n_f64): Likewise.
4230         (vmulq_n_s16): Likewise.
4231         (vmulq_n_s32): Likewise.
4232         (vmulq_n_u16): Likewise.
4233         (vmulq_n_u32): Likewise.
4234
4235 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4236
4237         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4238         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4239
4240 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4241
4242         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4243         to *aarch64_fma4_elt_from_dup<mode>.
4244         (*aarch64_fnma4_elt_to_128df): Rename to
4245         *aarch64_fnma4_elt_from_dup<mode>.
4246         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4247         (vfms_n_f32): Likewise.
4248         (vfms_n_f64): Likewise.
4249         (vfmsq_n_f32): Likewise.
4250         (vfmsq_n_f64): Likewise.
4251
4252 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4253
4254         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4255
4256 2016-05-17  Richard Biener  <rguenther@suse.de>
4257
4258         PR tree-optimization/71132
4259         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4260         Only add control dependences for blocks in the loop.
4261         (build_rdg): Adjust.
4262         (generate_code_for_partition): Return whether loop should
4263         be destroyed and delay that.
4264         (distribute_loop): Likewise.
4265         (pass_loop_distribution::execute): Record loops to be destroyed
4266         and perform delayed destroying of loops.
4267
4268 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4269
4270         PR target/70809
4271         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4272
4273 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4274
4275         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4276
4277 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4278
4279         PR target/71114
4280         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4281         insertion point for instructions generated by validize_mem.
4282
4283 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4284
4285         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4286         in brackets.
4287
4288 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4289
4290         * config/aarch64/aarch64.c
4291         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4292         rather than a macro.
4293
4294 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4295
4296         * doc/invoke.texi (AArch64 Options): Various updates.
4297
4298 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4299
4300         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4301         into instrumentation thunks.
4302         * cif-code.def (CIF_CHKP): New.
4303
4304 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4305
4306         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4307
4308 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4309
4310         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4311         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4312
4313 2016-05-16  Marek Polacek  <polacek@redhat.com>
4314
4315         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4316         commentary.
4317
4318 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4319
4320         PR hsa/70857
4321         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4322         the outlined kernel function.
4323
4324 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4325
4326         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4327         (ISA_HAS_DLSA): Ditto.
4328
4329 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4330
4331         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4332
4333 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4334
4335         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4336         (nvptx_name_replacement): Restore.  Add comment.
4337         (write_fn_proto, write_fn_proto_from_insn,
4338         nvptx_output_call_insn): Restore
4339         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4340
4341 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4342
4343         * config/aarch64/aarch64.md
4344         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4345         (add<mode>3_compareC_imm): Likewise.
4346         (<optab>si3_uxtw): Split into register and immediate variants.
4347         (andsi3_compare0_uxtw): Likewise.
4348         (and<mode>3_compare0): Likewise.
4349         (and<mode>3nr_compare0): Likewise.
4350         (stack_protect_test_<mode>): Don't use %x for memory operands.
4351
4352 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4353
4354         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4355
4356 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4357
4358         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4359         Split integer shifts into shift_reg and bfm.
4360         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4361         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4362         (ror<mode>3_insn): Likewise.
4363         (<optab>si3_insn_uxtw): Likewise.
4364         (<optab><mode>3_insn): Change to rotate_imm.
4365         (extr<mode>5_insn_alt): Likewise.
4366         (extrsi5_insn_uxtw): Likewise.
4367         (extrsi5_insn_uxtw_alt): Likewise.
4368
4369 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4370
4371         * doc/tm.texi: Regenerate.
4372         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4373         (TARGET_INVALID_RETURN_TYPE): Remove.
4374         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4375         TARGET_INVALID_RETURN_TYPE.
4376         * target.def (invalid_parameter_type): Remove.
4377         (invalid_return_type): Remove.
4378
4379 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4380
4381         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4382         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4383         calls from thunk.
4384         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4385         gimple body.
4386         (preserve_function_body_p): No need to preserve function body
4387         * cif-codes.def (CIF_THUNK): Remove.
4388         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4389
4390 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4391
4392         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4393
4394 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4395
4396         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4397         for thunks.
4398
4399 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4400
4401         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4402         (inline_small_functions): Do not look for function symbol when
4403         resetting caches.
4404
4405 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4406
4407         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4408         of inline thunks
4409
4410 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4411             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4412             Jiong Wang  <jiong.wang@arm.com>
4413
4414         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4415         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4416         Define __ARM_FP16_ARGS when appropriate.
4417         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4418         declaration.
4419         (arm_invalid_return_type): Likewise.
4420         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4421         (TARGET_INVALID_RETURN_TYPE): Remove.
4422         (aapcs_vfp_sub_candidate): Allow HFmode.
4423         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4424         (aapcs_vfp_allocate_return_reg): Likewise.
4425         (struct aapcs_cp_arg_layout): Slightly reword comments for
4426         is_return_candidate and allocate_return_reg.
4427         (output_mov_vfp): Update assert.
4428         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4429         condition.
4430         (arm_invalid_parameter_type): Remove.
4431         (amr_invalid_return_type): Remove.
4432         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4433         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4434         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4435
4436 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4437
4438         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4439         * config/aarch64/arch64-protos.h
4440         (aarch64_legitimize_reload_address): Remove.
4441         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4442         Remove.
4443
4444 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4445
4446         * configure.ac: Add ACX_NONCANONICAL_HOST.
4447         * configure: Regenerate.
4448         * Makefile.in: Set host_noncanonical.
4449
4450 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4451
4452         PR target/71097
4453         * config/i386/i386.md (*movtf_internal): Before register allocation,
4454         do not allow FP constants for CM_MEDIUM memory model, allow only
4455         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4456         (*movxf_internal): Ditto.
4457         (*movdf_internal): Ditto.
4458         (*movsf_internal): Ditto.
4459
4460 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4461
4462         PR rtl-optimization/67483
4463         * combine.c (make_compound_operation): Don't call extract_left_shift
4464         with negative shift amounts.
4465
4466 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4467
4468         PR bootstrap/71071
4469         * fold-const.c (fold_checksum_tree): Allow modification
4470         of TYPE_ALIAS_SET during folding.
4471
4472         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4473         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4474         (ix86_split_to_parts): Likewise.  Fix up formatting.
4475
4476 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4477
4478         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4479         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4480         printf format.
4481
4482 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4483
4484         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4485         (nvptx_name_replacement): Delete.
4486         (write_fn_proto, write_fn_proto_from_insn,
4487         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4488         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4489         * langhooks.c (add_builtin_funcction_common): Call
4490         targetm.mangle_decl_assembler_name.
4491
4492         * config/nvptx/nvptx.c (write_fn_proto): Handle
4493         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4494
4495 2016-05-13  Martin Liska  <mliska@suse.cz>
4496
4497         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4498         and PRIu64 in printf format.
4499
4500 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4501
4502         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4503         comment.
4504
4505 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4506
4507         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4508         Change --param max-completely-peeled-times to
4509         --param max-completely-peel-times in dump file printing.
4510
4511 2016-05-13  Richard Biener  <rguenther@suse.de>
4512
4513         PR tree-optimization/42587
4514         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4515         (find_bswap_or_nop_1): Likewise.
4516         (bswap_replace): Likewise.
4517
4518 2016-05-13  Martin Liska  <mliska@suse.cz>
4519
4520         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4521         Initialize a variable with default value.
4522
4523 2016-05-13  Martin Liska  <mliska@suse.cz>
4524
4525         * doc/invoke.texi: Enhance explanation of error recovery
4526         of sanitizers.
4527
4528 2016-05-13  Martin Liska  <mliska@suse.cz>
4529
4530         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4531         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4532         (iv_inv_expr_ent *).
4533         (struct iv_inv_expr_ent): Comment struct fields.
4534         (sort_iv_inv_expr_ent): New function.
4535         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4536         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4537         a hash_map between iv_inv_expr_ent and number of usages.
4538         (niter_for_exit): Fix coding style.
4539         (tree_ssa_iv_optimize_init): Use renamed variable.
4540         (determine_base_object): Fix coding style.
4541         (alloc_iv): Likewise.
4542         (find_interesting_uses_outside): Likewise.
4543         (add_candidate_1): Likewise.
4544         (add_standard_iv_candidates): Likewise.
4545         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4546         (prepare_decl_rtl): Fix coding style.
4547         (get_address_cost): Likewise.
4548         (get_shiftadd_cost): Likewise.
4549         (force_expr_to_var_cost): Likewise.
4550         (compare_aff_trees): Likewise.
4551         (get_expr_id): Restructure the function.
4552         (get_loop_invariant_expr_id): Renamed to
4553         get_loop_invariant_expr.
4554         (get_computation_cost_at): Replace usage of inv_expr_id with
4555         inv_expr.
4556         (get_computation_cost): Likewise.
4557         (determine_group_iv_cost_generic): Likewise.
4558         (determine_group_iv_cost_address): Likewise.
4559         (iv_period): Fix coding style.
4560         (iv_elimination_compare_lt): Likewise.
4561         (may_eliminate_iv): Likewise.
4562         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
4563         inv_expr.
4564         (determine_group_iv_costs): Dump invariant expressions.
4565         (iv_ca_recount_cost): Use the newly added hash_map.
4566         (iv_ca_set_remove_invariants): Fix coding style.
4567         (iv_ca_set_add_invariants): Fix coding style.
4568         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4569         invariants.
4570         (iv_ca_set_cp): Likewise.
4571         (iv_ca_new): Initialize the newly added hash_map and remove
4572         initialization of fields.
4573         (iv_ca_free): Delete the hash_map.
4574         (iv_ca_dump): Dump invariant expressions.
4575         (iv_ca_extend): Fix coding style.
4576         (try_add_cand_for): Likewise.
4577         (create_new_ivs): Dump information about # of avg iterations and
4578         # of used invariant expressions.
4579         (rewrite_use_compare): Fix coding style.
4580         (free_loop_data): Set default value for max_inv_expr_id.
4581
4582 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4583
4584         * cse.c (rest_of_handle_cse): Use cleanup_cfg
4585         returned value cse_cfg_altered computation.
4586         (rest_of_handle_cse2): Likewise.
4587         (rest_of_handle_cse_after_global_opts): Likewise.
4588
4589 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4590
4591         PR target/53440
4592         * config/arm/arm.c (arm32_output_mi_thunk): New.
4593         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4594         to split Thumb1 vs TARGET_32BIT functionality.
4595         (arm_thumb1_mi_thunk): New.
4596
4597 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4598
4599         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4600         to true.
4601
4602 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4603
4604         PR target/71080
4605         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4606
4607 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
4608
4609         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4610         (expand_builtin_trap): Emit a regular call.
4611         (set_builtin_user_assembler_name): Remove obsolete cases.
4612         * dse.c (scan_insn): Adjust.
4613         * except.c: Include calls.h.
4614         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4615         emit a regular call to setjmp.
4616         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4617         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4618         (emit_block_move_via_libcall): Delete.
4619         (block_move_fn): Delete.
4620         (init_block_move_fn): Likewise.
4621         (emit_block_move_libcall_fn): Likewise.
4622         (emit_block_op_via_libcall): New function.
4623         (set_storage_via_libcall): Tidy up and use memset builtin.
4624         (block_clear_fn): Delete.
4625         (init_block_clear_fn): Likewise.
4626         (clear_storage_libcall_fn): Likewise.
4627         (expand_assignment): Call emit_block_move_via_libcall.
4628         Do not include gt-expr.h.
4629         * expr.h (emit_block_op_via_libcall): Declare.
4630         (emit_block_copy_via_libcall): New inline function.
4631         (emit_block_move_via_libcall): Likewise.
4632         (emit_block_comp_via_libcall): Likewise.
4633         (block_clear_fn): Delete.
4634         (init_block_move_fn): Likewise.
4635         (init_block_clear_fn): Likewise.
4636         (emit_block_move_via_libcall): Likewise.
4637         (set_storage_via_libcall): Add default parameter value.
4638         * libfuncs.h (enum libfunc_index): Remove obsolete values.
4639         (abort_libfunc): Delete.
4640         (memcpy_libfunc): Likewise.
4641         (memmove_libfunc): Likewise.
4642         (memcmp_libfunc): Likewise.
4643         (memset_libfunc): Likewise.
4644         (setbits_libfunc): Likewise.
4645         (setjmp_libfunc): Likewise.
4646         (longjmp_libfunc): Likewise.
4647         (profile_function_entry_libfunc): Likewise.
4648         (profile_function_exit_libfunc): Likewise.
4649         (gcov_flush_libfunc): Likewise.
4650         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4651         and DECL_VISIBILITY on the declaration.
4652         (init_optabs): Do not initialize obsolete libfuncs.
4653         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4654         * tree-core.h (ECF_RET1): Define.
4655         (ECF_TM_PURE): Adjust.
4656         (ECF_TM_BUILTIN): Likewise.
4657         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4658         (build_common_builtin_nodes): Initialize abort builtin.
4659         Add ECF_RET1 on memcpy, memmove and memset builtins.
4660         Pass final flags for alloca and alloca_with_align builtins.
4661         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4662         obsolete builtins.
4663         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4664         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4665         set_storage_via_libcall and call emit_block_copy_via_libcall.
4666
4667 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
4668
4669         * config/i386/i386.md (*call_got_x32): Change operand 0 to
4670         DImode before it is passed to ix86_output_call_operand.
4671         (*call_value_got_x32): Ditto for operand 1.
4672
4673 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
4674
4675         PR rtl-optimization/70904
4676         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4677         reload for wide mode.
4678
4679 2016-05-12  Marek Polacek  <polacek@redhat.com>
4680
4681         PR c/70756
4682         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4683         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4684         * langhooks.h (incomplete_type_error): Likewise.
4685         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
4686         parameter, pass it down to incomplete_type_error.
4687         * tree.h (size_in_bytes): New inline overload.
4688         (size_in_bytes_loc): Renamed from size_in_bytes.
4689
4690 2016-05-12  Richard Biener  <rguenther@suse.de>
4691
4692         PR tree-optimization/71059
4693         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4694         nary before looking up or entering the expression into the VN
4695         hashes.
4696         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4697         Make sure to re-use NARYs without result as inserted by
4698         phi-translation.
4699
4700 2016-05-12  Richard Biener  <rguenther@suse.de>
4701
4702         PR tree-optimization/71062
4703         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4704         field.
4705         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4706         vars_contains_restrict if the var is a restrict tag.
4707         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4708         do not disambiguate pointers against it.
4709         (dump_points_to_solution): Re-structure and adjust for new
4710         vars_contains_restrict flag.
4711         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4712
4713 2016-05-12  Martin Liska  <mliska@suse.cz>
4714
4715         * doc/invoke.texi: Explain connection between
4716         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4717
4718 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
4719
4720         PR tree-optimization/71006
4721         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4722         consider COND_EXPR as a mask producer.
4723
4724 2016-05-12  Marek Polacek  <polacek@redhat.com>
4725
4726         PR driver/71063
4727         * opts.c (common_handle_option): Detect missing argument for --help^.
4728
4729 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4730
4731         PR target/70830
4732         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4733         when popping the PC and within an interrupt handler routine.
4734         Add missing tab to output of "ldmfd".
4735         (output_return_instruction): Output LDMFD with SP update rather
4736         than POP when returning from interrupt handler.
4737
4738 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
4739
4740         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4741         TARGET_64BIT && TARGET_AVX512DQ.
4742         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4743         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4744         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4745         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4746         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4747         (*vec_extractv4si_zext): Add avx512dq alternative.
4748         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4749         use v instead of x constraint in other alternatives where possible.
4750
4751         * config/i386/sse.md (sse2_loadld): Use v instead of x
4752         constraint in alternatives 0,1,4.
4753
4754         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4755         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4756         v constraints instead of x and <pinsr_evex_isa> isa attribute.
4757
4758         PR target/71019
4759         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4760         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4761         is not emitted unless TARGET_AVX512BW.
4762         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4763         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4764         for the result operand.
4765
4766         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4767         constraint instead of x in avx alternatives.  Use maybe_evex instead
4768         of vex prefix.
4769
4770         * config/i386/constraints.md (Yv): New constraint.
4771         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4772         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4773         * config/i386/i386.md (avx512fvecmode): New mode attr.
4774         (*pushtf): Use v constraint instead of x.
4775         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
4776         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4777         (*absneg<mode>2): Use Yv constraint instead of x constraint.
4778         (*absnegtf2_sse): Likewise.
4779         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4780         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4781         avx512f alternatives.
4782         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4783
4784 2016-05-12  Richard Biener  <rguenther@suse.de>
4785
4786         PR tree-optimization/71060
4787         * tree-data-ref.c (initialize_data_dependence_relation): Do not
4788         require exact match of DR_BASE_OBJECT but only matching address and
4789         type.
4790
4791 2016-05-12  Richard Biener  <rguenther@suse.de>
4792
4793         PR tree-optimization/70986
4794         * cfganal.c: Include cfgloop.h.
4795         (dfs_find_deadend): Prefer to take edges exiting loops.
4796
4797 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4798
4799         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4800         compile and run time.
4801
4802 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4803
4804         PR c/43651
4805         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4806
4807 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
4808
4809         * config/i386/i386.c (legitimize_pic_address): Use
4810         copy_to_suggested_reg instead of gen_movsi.
4811
4812 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4813
4814         * config/rs6000/predicates.md (quad_memory_operand): Move most of
4815         the code into quad_address_p and call it to share code with
4816         vsx_quad_dform_memory_operand.
4817         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4818         d-form support.
4819         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4820         bit instead of being a separate word.  Split -mpower9-dform into
4821         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4822         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4823         for the register class supporting 128-bit quad word memory offsets.
4824         (mode_supports_vsx_dform_quad): Helper function to return if the
4825         register class uses quad word memory offsets.
4826         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4827         (rs6000_debug_reg_global): Always print if we are using LRA or not.
4828         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4829         instructions are enabled, set up the appropriate addr_masks for
4830         128-bit types.
4831         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4832         -mpower9-dform-scalar, instead of -mpower9-dform.
4833         (rs6000_option_override_internal): Split -mpower9-dform into two
4834         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
4835         -mpower9-dform switch sets or clears both.  If we are not using
4836         the LRA register allocator, do not enable -mpower9-dform-vector by
4837         default.  If we are using LRA, enable -mpower9-dform-vector and
4838         -mvsx-timode if it is appropriate.  Issue a warning if either
4839         -mpower9-dform-vector or -mvsx-timode are explicitly used without
4840         enabling LRA.
4841         (quad_address_offset_p): New helper function to return if the
4842         offset is legal for quad word memory instructions.
4843         (quad_address_p): New function to determin if GPR or vector
4844         register quad word memory addresses are legal.
4845         (mem_operand_gpr): Validate quad word address offsets.
4846         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4847         d-form (register + offset) instructions.
4848         (offsettable_ok_by_alignment): Likewise.
4849         (rs6000_legitimate_offset_address_p): Likewise.
4850         (legitimate_lo_sum_address_p): Likewise.
4851         (rs6000_legitimize_address): Likewise.
4852         (rs6000_legitimize_reload_address): Add more debug statements for
4853         -mdebug=addr.
4854         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4855         d-form instructions.
4856         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4857         d-form instructions.  Distinguish different cases in debug
4858         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4859         d-form instructions.
4860         (rs6000_preferred_reload_class): Likewise.
4861         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4862         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
4863         of the ISA 2.06 indexed memory instructions.
4864         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4865         use them to save/restore the saved vector registers instead of
4866         using Altivec instructions.
4867         (rs6000_emit_epilogue): Likewise.
4868         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4869         (rs6000_opt_masks): Split -mpower9-dform into
4870         -mpower9-dform-scalar and -mpower9-dform-vector.
4871         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4872         was not selected.
4873         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4874         ISA 3.0 vector indexed memory instructions, and fold the code into
4875         the normal mov<mode> patterns.
4876         (p9_vecstore_<mode>): Likewise.
4877         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4878         instructions.
4879         (vsx_movti_64bit): Likewise.
4880         (vsx_movti_32bit): Likewise.
4881         * config/rs6000/constraints.md (wO constraint): New constraint for
4882         ISA 3.0 vector d-form support.
4883         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4884         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
4885         include -mpower9-dform-vector until we switch over to LRA.
4886         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4887         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4888         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4889         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4890         for -mpower9-dform and -mlra.
4891         * doc/md.texi (wO constraint): Document wO constraint.
4892
4893 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
4894
4895         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4896         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
4897         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
4898         Move handling of non-insn arguments inline into the sole user:
4899         (output_trans_func): ...here.
4900         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
4901         in emitted function prototype.
4902         (output_internal_insn_latency_func): Ditto.  Simplify.
4903         (output_internal_maximal_insn_latency_func): Ditto.  Delete
4904         always-unused argument.
4905         (output_insn_latency_func): Ditto.
4906         (output_maximal_insn_latency_func): Ditto.
4907
4908 2016-05-11  Richard Biener  <rguenther@suse.de>
4909
4910         PR tree-optimization/71055
4911         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
4912         sth with precision not equal to access size verify we don't chop
4913         off bits.
4914
4915 2016-05-11  Richard Biener  <rguenther@suse.de>
4916
4917         PR debug/71057
4918         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
4919         (dwarf2out_finish): Move retry_incomplete_types call ...
4920         (dwarf2out_early_finish): ... here.
4921
4922 2016-05-11  Richard Biener  <rguenther@suse.de>
4923
4924         PR middle-end/71002
4925         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
4926         if the langhook insists on it.
4927         * fold-const.c (make_bit_field_ref): Add arg for the original
4928         reference and preserve its alias-set.
4929         (decode_field_reference): Take exp by reference and adjust it
4930         to the original memory reference.
4931         (optimize_bit_field_compare): Adjust callers.
4932         (fold_truth_andor_1): Likewise.
4933         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
4934
4935 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
4936
4937         PR middle-end/70807
4938         * cfgrtl.h (delete_insn_and_edges): Now return bool.
4939         * cfgrtl.c (delete_insn_and_edges): Likewise.
4940         * config/i386/i386.c (convert_scalars_to_vector): Remove
4941         redundant code.
4942         * cse.c (cse_insn): Compute cse_cfg_altered.
4943         (delete_trivially_dead_insns): Likewise.
4944         (cse_cc_succs): Likewise.
4945         (rest_of_handle_cse): Free dominance info if required.
4946         (rest_of_handle_cse2): Likewise.
4947         (rest_of_handle_cse_after_global_opts): Likewise.
4948
4949 2016-05-11  Alan Modra  <amodra@gmail.com>
4950
4951         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
4952         abi_v4_pass_in_fpr): New functions.
4953         (rs6000_function_arg_boundary): Exclude complex IBM long double
4954         from 64-bit alignment when ABI_V4.
4955         (rs6000_function_arg, rs6000_function_arg_advance_1,
4956         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
4957
4958 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
4959
4960         PR rtl-optimization/71028
4961         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
4962         jump with just a return in the fallthrough block if the branch
4963         block contains just a return as well.
4964
4965 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
4966
4967         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
4968         * match.pd ((X & Y) ^ Y): ... this.
4969         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
4970         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
4971
4972 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4973
4974         * read-md.c (require_char_ws): New function.
4975         (read_string): Simplify using require_char_ws.
4976         (handle_constants): Likewise.
4977         (handle_enum): Likewise.
4978         (handle_file): Likewise.
4979         * read-md.h (require_char_ws): New declaration.
4980         * read-rtl.c (read_conditions): Simplify using require_char_ws.
4981         (read_mapping): Likewise.
4982         (read_rtx_code): Likewise.
4983         (read_nested_rtx): Likewise.
4984
4985 2016-05-10  James Norris  <jnorris@codesourcery.com>
4986
4987         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
4988         if offloading is enabled and -fopenacc or -fopenmp is specified.
4989         (CRTOFFLOADEND): Likewise.
4990         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
4991         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
4992
4993 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
4994
4995         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
4996         gotoff_operand code paths.  Use copy_to_suggested_regs and
4997         expand_simple_binop where appropriate.  Cleanup.
4998
4999 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5000
5001         PR target/70799
5002         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
5003         integer constants.
5004         (dimode_scalar_chain::vector_const_cost): New.
5005         (dimode_scalar_chain::compute_convert_gain): Handle constants.
5006         (dimode_scalar_chain::convert_op): Likewise.
5007         (dimode_scalar_chain::convert_insn): Likewise.
5008
5009 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5010
5011         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
5012         unary operation, not a binary one.
5013
5014 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5015
5016         PR middle-end/70877
5017         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
5018         calls with type casted fndecl.
5019
5020 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
5021
5022         PR tree-optimization/70786
5023         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
5024         * calls.c (initialize_argument_information): Bind bounds
5025         with corresponding args passed by reference.
5026
5027 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
5028
5029         PR target/70927
5030         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
5031         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
5032         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
5033         accordingly.
5034
5035 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5036
5037         PR target/70963
5038         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
5039         code for a zero scale factor.
5040         (vsx_xvcvdpuxds_scale): Likewise.
5041
5042 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
5043
5044         * diagnostic-show-locus.c (layout::layout): Call show_ruler
5045         if show_ruler_p was set on the context.
5046         (layout::show_ruler): New method.
5047         * diagnostic.h (struct diagnostic_context): Add field
5048         "show_ruler_p".
5049
5050 2016-05-10  Richard Biener  <rguenther@suse.de>
5051
5052         PR tree-optimization/71039
5053         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
5054         (chk_uses): New function.
5055         (propagate_with_phi): Verify we can safely replicate the lhs of an
5056         aggregate assignment on all incoming edges.
5057
5058 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
5059
5060         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
5061         Forward declare.
5062         (rx_atomic_sequence): New class.
5063         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
5064         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
5065         non-inline.
5066         (rx_atomic_sequence::rx_atomic_sequence,
5067         rx_atomic_sequence::~rx_atomic_sequence): New functions.
5068         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
5069         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
5070         CTRLREG_INTB): New constants.
5071         (FETCHOP): New code iterator.
5072         (fethcop_name, fetchop_name2): New iterator code attributes.
5073         (QIHI): New mode iterator.
5074         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
5075         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
5076         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
5077
5078 2016-05-10  Martin Liska  <mliska@suse.cz>
5079
5080         * tree-inline.c (remap_dependence_clique): Do not remap
5081         debugging statements.
5082
5083 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5084
5085         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
5086         ("*fixuns_truncdfdi2_z13")
5087         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
5088         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
5089         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
5090
5091 2016-05-10  Richard Biener  <rguenther@suse.de>
5092
5093         PR tree-optimization/70497
5094         PR tree-optimization/28367
5095         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
5096         split out from ...
5097         (visit_reference_op_load): ... here.
5098         (vn_reference_lookup_3): Use it to handle subreg-like accesses
5099         with simplified BIT_FIELD_REFs.
5100         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
5101         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5102         correctly.
5103
5104 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5105
5106         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5107         documentation comment.  For BLOCK nodes, add a
5108         DW_AT_abstract_origin attribute that points to the DIE generated
5109         for the origin BLOCK.
5110         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5111         blocks from inlined functions.
5112
5113 2016-05-10  Alan Modra  <amodra@gmail.com>
5114
5115         PR target/70947
5116         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5117         regrename modifying insns saving lr before __morestack call.
5118         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5119         insns restoring lr after __morestack call.
5120
5121 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5122
5123         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5124         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5125         expanders.
5126         * config/i386/sse.md (vec_interleave_high<mode>,
5127         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5128         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5129
5130 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5131
5132         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5133         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5134         parallel reassociation for power8 and forward.
5135
5136 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5137
5138         * config/i386/i386.md (absneg splitters with general regs): Use
5139         general_reg_operand predicate.
5140         (btsq peephole2): Use x86_64_immediate_operand to check if new
5141         value is suitable for immediate operand.  Generate emitted insn
5142         using RTL expressions.
5143         (btcq peephole2): Ditto.
5144         (btrq peephole2): Ditto.  Generate correct immediate operand
5145         for AND masking.
5146
5147 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5148
5149         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5150         bitpos.
5151
5152 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5153
5154         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5155         pointer dereference.
5156
5157 2016-05-09  Richard Biener  <rguenther@suse.de>
5158
5159         PR tree-optimization/70985
5160         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5161         op0 isn't a gimple register.
5162
5163 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5164
5165         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5166         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5167         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5168         (i6400_fpu_mult): New cpu units.
5169         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5170         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5171         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5172         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5173         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5174         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5175         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5176         (i6400_msa_long_float4, i6400_msa_long_float5)
5177         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5178         (i6400_msa_fdiv_sf): New reservations.
5179         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5180         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5181         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5182         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5183         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5184         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5185         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5186         (msa_short_store4, msa_long_load, msa_short_store)
5187         (msa_long_logic, msa_long_float2, msa_long_float4)
5188         (msa_long_float5, msa_long_float8, msa_long_mult)
5189         (msa_long_fdiv, msa_long_div): New reservations.
5190
5191 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5192             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5193             Matthew Fortune  <matthew.fortune@imgtec.com>
5194             Graham Stott  <graham.stott@imgtec.com>
5195             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5196
5197         * config.gcc: Add MSA header file for mips*-*-* target.
5198         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5199         (Ubv8i, Urv8):  New constraints.
5200         * config/mips/mips-ftypes.def: Add function types for MSA
5201         builtins.
5202         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5203         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5204         * config/mips/mips-msa.md: New file.
5205         * config/mips/mips-protos.h
5206         (mips_split_128bit_const_insns): New prototype.
5207         (mips_msa_idiv_insns): Likewise.
5208         (mips_split_128bit_move): Likewise.
5209         (mips_split_128bit_move_p): Likewise.
5210         (mips_split_msa_copy_d): Likewise.
5211         (mips_split_msa_insert_d): Likewise.
5212         (mips_split_msa_fill_d): Likewise.
5213         (mips_expand_msa_branch): Likewise.
5214         (mips_const_vector_same_val_p): Likewise.
5215         (mips_const_vector_same_bytes_p): Likewise.
5216         (mips_const_vector_same_int_p): Likewise.
5217         (mips_const_vector_shuffle_set_p): Likewise.
5218         (mips_const_vector_bitimm_set_p): Likewise.
5219         (mips_const_vector_bitimm_clr_p): Likewise.
5220         (mips_msa_vec_parallel_const_half): Likewise.
5221         (mips_msa_output_division): Likewise.
5222         (mips_ldst_scaled_shift): Likewise.
5223         (mips_expand_vec_cond_expr): Likewise.
5224         * config/mips/mips.c (enum mips_builtin_type): Add
5225         MIPS_BUILTIN_MSA_TEST_BRANCH.
5226         (mips_gen_const_int_vector_shuffle): New prototype.
5227         (mips_const_vector_bitimm_set_p): New function.
5228         (mips_const_vector_bitimm_clr_p): Likewise.
5229         (mips_const_vector_same_val_p): Likewise.
5230         (mips_const_vector_same_bytes_p): Likewise.
5231         (mips_const_vector_same_int_p): Likewise.
5232         (mips_const_vector_shuffle_set_p): Likewise.
5233         (mips_symbol_insns): Forbid loading symbols via immediate for
5234         MSA.
5235         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5236         stores.
5237         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5238         MSA.
5239         (mips_lx_address_p): Add support load indexed address for MSA.
5240         (mips_address_insns): Add calculation of instructions needed for
5241         stores and loads for MSA.
5242         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5243         CONST_VECTOR for MSA and let it fall through.
5244         (mips_ldst_scaled_shift): New function.
5245         (mips_subword_at_byte): Likewise.
5246         (mips_msa_idiv_insns): Likewise.
5247         (mips_legitimize_move): Validate MSA moves.
5248         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5249         calculation of costs for MSA division.
5250         (mips_split_move_p): Check if MSA moves need splitting.
5251         (mips_split_move): Split MSA moves if necessary.
5252         (mips_split_128bit_move_p): New function.
5253         (mips_split_128bit_move): Likewise.
5254         (mips_split_msa_copy_d): Likewise.
5255         (mips_split_msa_insert_d): Likewise.
5256         (mips_split_msa_fill_d): Likewise.
5257         (mips_output_move): Handle MSA moves.
5258         (mips_expand_msa_branch): New function.
5259         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5260         Reinstate 'y' modifier.
5261         (mips_file_start): Add MSA .gnu_attribute.
5262         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5263         FPRs.
5264         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5265         (mips_class_max_nregs): Add register size for MSA supported mode.
5266         (mips_cannot_change_mode_class): Allow conversion between MSA
5267         vector modes and TImode.
5268         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5269         instruction.
5270         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5271         (mips_preferred_simd_mode): Add preffered modes for MSA.
5272         (mips_vector_mode_supported_p): Add MSA supported modes.
5273         (mips_autovectorize_vector_sizes): New function.
5274         (mips_msa_output_division): Likewise.
5275         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5276         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5277         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5278         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5279         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5280         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5281         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5282         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5283         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5284         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5285         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5286         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5287         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5288         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5289         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5290         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5291         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5292         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5293         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5294         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5295         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5296         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5297         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5298         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5299         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5300         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5301         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5302         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5303         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5304         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5305         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5306         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5307         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5308         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5309         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5310         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5311         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5312         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5313         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5314         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5315         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5316         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5317         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5318         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5319         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5320         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5321         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5322         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5323         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5324         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5325         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5326         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5327         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5328         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5329         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5330         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5331         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5332         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5333         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5334         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5335         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5336         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5337         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5338         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5339         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5340         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5341         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5342         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5343         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5344         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5345         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5346         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5347         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5348         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5349         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5350         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5351         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5352         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5353         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5354         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5355         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5356         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5357         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5358         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5359         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5360         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5361         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5362         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5363         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5364         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5365         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5366         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5367         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5368         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5369         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5370         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5371         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5372         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5373         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5374         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5375         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5376         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5377         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5378         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5379         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5380         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5381         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5382         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5383         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5384         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5385         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5386         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5387         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5388         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5389         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5390         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5391         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5392         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5393         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5394         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5395         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5396         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5397         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5398         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5399         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5400         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5401         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5402         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5403         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5404         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5405         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5406         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5407         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5408         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5409         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5410         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5411         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5412         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5413         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5414         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5415         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5416         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5417         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5418         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5419         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5420         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5421         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5422         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5423         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5424         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5425         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5426         move_v builtins.
5427         (mips_get_builtin_decl_index): New array.
5428         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5429         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5430         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5431         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5432         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5433         array.
5434         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5435         hook.
5436         (mips_expand_builtin_insn): Prepare operands for
5437         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5438         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5439         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5440         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5441         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5442         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5443         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5444         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5445         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5446         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5447         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5448         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5449         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5450         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5451         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5452         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5453         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5454         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5455         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5456         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5457         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5458         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5459         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5460         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5461         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5462         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5463         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5464         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5465         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5466         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5467         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5468         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5469         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5470         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5471         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5472         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5473         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5474         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5475         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5476         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5477         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5478         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5479         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5480         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5481         These are set implicitly and an error is reported if overridden.
5482         (mips_expand_builtin_msa_test_branch): New function.
5483         (mips_expand_msa_shuffle): Likewise.
5484         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5485         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5486         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5487         (mips_expand_vec_unpack): Add support for MSA.
5488         (mips_expand_vector_init): Likewise.
5489         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5490         instead of const0_rtx.
5491         (mips_msa_vec_parallel_const_half): New function.
5492         (mips_gen_const_int_vector): Likewise.
5493         (mips_gen_const_int_vector_shuffle): Likewise.
5494         (mips_expand_msa_cmp): Likewise.
5495         (mips_expand_vec_cond_expr): Likewise.
5496         * config/mips/mips.h
5497         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5498         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5499         specified.
5500         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5501         (ISA_HAS_MSA): New macro.
5502         (UNITS_PER_MSA_REG): Likewise.
5503         (BITS_PER_MSA_REG): Likewise.
5504         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5505         (MSA_REG_FIRST): New macro.
5506         (MSA_REG_LAST): Likewise.
5507         (MSA_REG_NUM): Likewise.
5508         (MSA_REG_P): Likewise.
5509         (MSA_REG_RTX_P): Likewise.
5510         (MSA_SUPPORTED_MODE_P): Likewise.
5511         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5512         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5513         * config/mips/mips.md: Include mips-msa.md.
5514         (alu_type): Add simd_add.
5515         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5516         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5517         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5518         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5519         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5520         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5521         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5522         simd_move, simd_load, simd_store.  Choose "multi" for moves
5523         for "qword_mode".
5524         (qword_mode): New attribute.
5525         (insn_count): Add instruction count for quad moves.
5526         Increase the count for MIPS SIMD division.
5527         (UNITMODE): Add UNITMODEs for vector types.
5528         (addsub): New code iterator.
5529         * config/mips/mips.opt (mmsa): New option.
5530         * config/mips/msa.h: New file.
5531         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5532         specified.
5533         * config/mips/mti-linux.h: Likewise.
5534         * config/mips/predicates.md
5535         (const_msa_branch_operand): New constraint.
5536         (const_uimm3_operand): Likewise.
5537         (const_uimm4_operand): Likewise.
5538         (const_uimm5_operand): Likewise.
5539         (const_uimm8_operand): Likewise.
5540         (const_imm5_operand): Likewise.
5541         (aq10b_operand): Likewise.
5542         (aq10h_operand): Likewise.
5543         (aq10w_operand): Likewise.
5544         (aq10d_operand): Likewise.
5545         (const_m1_operand): Likewise.
5546         (reg_or_m1_operand): Likewise.
5547         (const_exp_2_operand): Likewise.
5548         (const_exp_4_operand): Likewise.
5549         (const_exp_8_operand): Likewise.
5550         (const_exp_16_operand): Likewise.
5551         (const_vector_same_val_operand): Likewise.
5552         (const_vector_same_simm5_operand): Likewise.
5553         (const_vector_same_uimm5_operand): Likewise.
5554         (const_vector_same_uimm6_operand): Likewise.
5555         (const_vector_same_uimm8_operand): Likewise.
5556         (par_const_vector_shf_set_operand): Likewise.
5557         (reg_or_vector_same_val_operand): Likewise.
5558         (reg_or_vector_same_simm5_operand): Likewise.
5559         (reg_or_vector_same_uimm6_operand): Likewise.
5560         * doc/extend.texi (MIPS SIMD Architecture Functions): New
5561         section.
5562         * doc/invoke.texi (-mmsa): Document new option.
5563
5564 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5565
5566         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5567         * configure: Regenerate.
5568         * config.in: Regenerate.
5569         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5570         on -fvtable-verify.
5571         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5572         (ENDFILE_VTV_SPEC): Define.
5573
5574 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
5575
5576         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5577         registers in all interrupt handlers if necessary.
5578         (rl78_option_override): Add warning.
5579         (MUST_SAVE_MDUC_REGISTERS): New macro.
5580         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5581         * config/rl78/rl78.c (check_mduc_usage): New function.
5582         (mduc_regs): New structure to hold MDUC register data.
5583         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5584         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5585         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5586         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5587         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5588         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5589
5590 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
5591
5592         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5593         (tree-ssa-loop-niter.h): Ditto.
5594         (idx_within_array_bound, ref_within_array_bound): New functions.
5595         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5596         Factor out check on writable base object to ...
5597         (base_object_writable): ... here.
5598
5599 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5600
5601         * config/arm/arm.md (probe_stack): Add modes to set source
5602         and destination.
5603
5604 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
5605
5606         * regrename.c (base_reg_class_for_rename): New static function.
5607         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5608
5609 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
5610
5611         * cgraph.c (thunk_adjust): Export.
5612         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5613         * cgraphunit.c (thunk_adjust): Export.
5614         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5615         thunks.
5616         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5617         inlinable.
5618         * tree-inline.c (expand_call_inline): Expand thunks inline.
5619
5620 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
5621
5622         PR target/70998
5623         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5624         (*sse2_vd_cvtss2sd): Ditto.
5625         * config/i386/i386.md
5626         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5627         Generate *sse2_vd_cvtsd2ss pattern.
5628         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5629         Generate *sse2_vd_cvtss2sd pattern.
5630
5631 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5632
5633         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5634         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
5635         users.
5636
5637 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5638
5639         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5640         * config/sh/sh.c: Define and declare variables on first use throughout
5641         the file.
5642         (current_function_interrupt): Change to bool type.
5643         (frame_insn): Rename to emit_frame_insn and update users.
5644         (push_regs): Use bool for 'interrupt_handler' argument.
5645         (save_schedule_s): Remove.
5646         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5647         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5648         targetm.asm_out.unaligned_op.di.
5649         (gen_far_branch): Remove redundant forward declaration.
5650         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5651         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5652         (sh_set_return_address, sh_function_ok_for_sibcall,
5653         scavenge_reg): Update comments.
5654         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5655         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5656         (sh_attr_renesas_p): Remove unnecessary parentheses.
5657         (branch_dest): Simplify.
5658         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5659         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5660         (CUMULATIVE_ARGS): Change macro to typedef.
5661         (current_function_interrupt): Change to bool type.
5662         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5663         Surround with __cplusplus ifdef.
5664         (sh_compare_op0, sh_compare_op1): Remove.
5665         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5666
5667 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
5668
5669         * config/arm/arm.md: (arch): Add neon.
5670         (arch_enabled): Return yes for arch neon when TARGET_NEON.
5671         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
5672         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
5673         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
5674         attributes for alt renumbering.  Mark alt 3 as non-predicable.
5675         (thumb2_movdf_vfp): Likewise.
5676
5677 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
5678
5679         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5680         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5681         (*andqi_1): Add preferred_for_speed attribute to disparage
5682         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5683         (*<code>qi_1): Ditto.
5684         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5685         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5686         (*ashlqi3_1): Ditto.
5687         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5688         Add preferred_for_size attribute to disparage alternative 0 and
5689         preferred_for_speed attribute to disparage alternative 1 for
5690         TARGET_PARTIAL_REG_STALL targets.
5691
5692 2016-05-07  Tom de Vries  <tom@codesourcery.com>
5693
5694         PR tree-optimization/70956
5695         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5696         def.
5697
5698 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5699
5700         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5701         * config/sh/sh.c (sh_cbranch_distance): Implement it.
5702         * config/sh/sh.md (branch_zero): Remove define_attr.
5703         (define_delay): Disable delay slot if branch distance is one insn.
5704
5705 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5706
5707         * config/i386/i386.md (LEAMODE): New mode attribute.
5708         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5709         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5710         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
5711         operand 2 predicate.
5712         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5713         (*lea<mode>_general_3): Ditto.
5714         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5715
5716 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5717
5718         * genmddump.c (main): Convert argv from char ** to const char **.
5719
5720 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5721
5722         * coretypes.h (OVERRIDE): New macro.
5723         (FINAL): New macro.
5724
5725 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
5726
5727         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5728         allow coalescing if the types are compatible.
5729
5730 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5731
5732         * pass_manager.h (pass_manager::register_pass_name): New method.
5733         (pass_manager::get_pass_by_name): New method.
5734         (pass_manager::create_pass_tab): New method.
5735         (pass_manager::m_name_to_pass_map): New field.
5736         * passes.c (name_to_pass_map): Delete global in favor of field
5737         "m_name_to_pass_map" of pass_manager.
5738         (register_pass_name): Rename from a function to...
5739         (pass_manager::register_pass_name): ...this method, updating
5740         for renaming of global "name_to_pass_map" to field
5741         "m_name_to_pass_map".
5742         (create_pass_tab): Rename from a function to...
5743         (pass_manager::create_pass_tab): ...this method, updating
5744         for renaming of global "name_to_pass_map" to field.
5745         (get_pass_by_name): Rename from a function to...
5746         (pass_manager::get_pass_by_name): ...this method.
5747         (enable_disable_pass): Convert use of get_pass_by_name to
5748         a method call, locating the pass_manager singleton.
5749
5750 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5751
5752         * genattr-common.c (main): Convert argv from char ** to const char **.
5753         * genattr.c (main): Likewise.
5754         * genattrtab.c (main): Likewise.
5755         * genautomata.c (initiate_automaton_gen): Likewise.
5756         (main): Likewise.
5757         * gencodes.c (main): Likewise.
5758         * genconditions.c (main): Likewise.
5759         * genconfig.c (main): Likewise.
5760         * genconstants.c (main): Likewise.
5761         * genemit.c (main): Likewise.
5762         * genenums.c (main): Likewise.
5763         * genextract.c (main): Likewise.
5764         * genflags.c (main): Likewise.
5765         * genmddeps.c (main): Likewise.
5766         * genopinit.c (main): Likewise.
5767         * genoutput.c (main): Likewise.
5768         * genpeep.c (main): Likewise.
5769         * genpreds.c (main): Likewise.
5770         * genrecog.c (main): Likewise.
5771         * gensupport.c (init_rtx_reader_args_cb): Likewise.
5772         (init_rtx_reader_args): Likewise.
5773         * gensupport.h (init_rtx_reader_args_cb): Likewise.
5774         (init_rtx_reader_args): Likewise.
5775         * gentarget-def.c (main): Likewise.
5776         * read-md.c (read_md_files): Likewise.
5777         * read-md.h (read_md_files): Likewise.
5778
5779 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5780
5781         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5782         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5783         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5784         Remove unused predicate.
5785         (register_and_not_fp_reg_operand): Ditto.
5786
5787 2016-05-06  Martin Liska  <mliska@suse.cz>
5788
5789         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5790         instead of vec as the vector is local to the function.
5791
5792 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5793
5794         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5795         avx512bw alternative.
5796
5797         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5798         before the ashr<mode>3 pattern.
5799
5800         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5801         v instead of x in vex or maybe_vex alternatives, use
5802         maybe_evex instead of vex in prefix.
5803
5804         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5805         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5806         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5807         in vex or maybe_vex alternatives, use maybe_evex instead of vex
5808         in prefix.
5809
5810         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5811         v instead of x in vex or maybe_vex alternatives, use
5812         maybe_evex instead of vex in prefix.
5813
5814         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5815         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5816         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5817         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5818         alternatives, use maybe_evex instead of vex in prefix.
5819
5820         * config/i386/sse.md (vec_interleave_lowv4sf,
5821         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5822         v instead of x in vex or maybe_vex alternatives, use
5823         maybe_evex instead of vex in prefix.
5824
5825         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5826         v instead of x in vex or maybe_vex alternatives, use
5827         maybe_evex instead of vex in prefix.
5828
5829         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5830         v constraint instead of x.
5831
5832 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5833
5834         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5835         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5836         equality first.
5837
5838 2016-05-06  Richard Biener  <rguenther@suse.de>
5839
5840         PR tree-optimization/70948
5841         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5842         Properly clobber all fields of va_list for __builtin_va_start.
5843
5844 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5845
5846         PR debug/70935
5847         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5848         loop latch destination.
5849
5850 2016-05-06  Martin Liska  <mliska@suse.cz>
5851
5852         * tree-ssa-uninit.c: Apply manual changes
5853         to the GNU coding style.
5854         (prune_uninit_phi_opnds): Rename from
5855         prune_uninit_phi_opnds_in_unrealizable_paths.
5856
5857 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5858
5859         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5860         mspace): Remove deprecated options.
5861         * doc/invoke.texi (SH options): Remove -mspace.
5862
5863 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5864
5865         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5866
5867 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5868
5869         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5870         corresponding combine split pattern.
5871
5872 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5873
5874         PR target/58219
5875         * config/sh/predicates.md (long_displacement_mem_operand): New.
5876         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5877         Add movi20, movi20s alternatives.  Adjust length attribute for
5878         alternatives.
5879         (movsi_ie): Allow for any FPU.  Adjust length attribute for
5880         alternatives.
5881         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
5882         attribute for alternatives.
5883         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5884         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5885         length attribute for alternatives.
5886
5887 2016-05-06  Richard Biener  <rguenther@suse.de>
5888
5889         PR tree-optimization/70960
5890         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5891
5892 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5893
5894         PR target/52933
5895         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5896         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
5897
5898 2016-05-06  Marek Polacek  <polacek@redhat.com>
5899
5900         PR sanitizer/70875
5901         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
5902
5903 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5904
5905         PR target/54089
5906         * config/sh/sh.md (*rotcr): Add another variant.
5907
5908 2016-05-06  Richard Biener  <rguenther@suse.de>
5909
5910         PR middle-end/70931
5911         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
5912
5913 2016-05-06  Richard Biener  <rguenther@suse.de>
5914
5915         PR middle-end/70941
5916         * fold-const.c (split_tree): Always convert to the original type
5917         before negating.
5918
5919 2016-05-06  Richard Biener  <rguenther@suse.de>
5920
5921         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
5922         (fwprop_addr): Likewise.
5923
5924 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5925
5926         PR target/70873
5927         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
5928         New prototype.
5929         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
5930         * config/i386/i386.md (push mem splitter): Use find_constant_src in
5931         the splitter condition.
5932         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
5933         the splitter condition.
5934         (FP float_extend load splitter): Ditto.
5935
5936 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
5937
5938         * config/i386/i386.md (peehole2 patterns): Change true_regnum
5939         to REGNO in all peephole2 patterns.
5940         (post-reload splitters): Change true_regnum to REGNO in
5941         post-reload splitters.
5942         (zero_extend splitters): Use general_reg_operand and
5943         nonimmediate_gr_operand predicates.
5944
5945 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
5946
5947         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
5948         v constraint instead of x.
5949
5950 2016-05-05  Alan Modra  <amodra@gmail.com>
5951
5952         PR target/68662
5953         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5954         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
5955         TARGET_NO_FP_IN_TOC for -mrelocatable.
5956         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
5957         TARGET_RELOCATABLE test.
5958         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5959         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5960         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5961         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5962         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5963         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5964         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5965         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5966         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
5967         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5968         Likewise.
5969         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
5970         (rs6000_stack_info): Likewise.
5971         (rs6000_elf_asm_out_constructor): Likewise.
5972         (rs6000_elf_asm_out_destructor): Likewise.
5973         (rs6000_elf_declare_function_name): Likewise.
5974         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
5975         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
5976         Don't define.
5977
5978 2016-05-05  Alan Modra  <amodra@gmail.com>
5979
5980         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
5981
5982 2016-05-05  Alan Modra  <amodra@gmail.com>
5983
5984         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5985         out-of-line gpr restore for one or two regs if that would add
5986         a save of lr.
5987
5988 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
5989
5990         PR target/70873
5991         * config/i386/i386.md
5992         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
5993         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
5994         as operand 0 predicate.
5995         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
5996         Ditto.
5997         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
5998         Ditto.  Emit the pattern using RTX.
5999
6000         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
6001         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
6002         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
6003         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
6004         Ditto.
6005         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
6006         sse_reg_operand as operand 0 predicate.
6007
6008         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
6009         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
6010         instead of gen_rtx_REG.
6011         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
6012         Ditto.
6013
6014 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6015
6016         * function.c (emit_use_return_register_into_block): Delete.
6017         (gen_return_pattern): Delete.
6018         (emit_return_into_block): Delete.
6019         (active_insn_between): Delete.
6020         (convert_jumps_to_returns): Delete.
6021         (emit_return_for_exit): Delete.
6022         (thread_prologue_and_epilogue_insns): Delete all code dealing with
6023         simple_return for shrink-wrapped blocks.
6024         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
6025         end of blocks that need one.
6026         (get_unconverted_simple_return): Delete.
6027         (convert_to_simple_return): Delete.
6028         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
6029         (convert_to_simple_return): Ditto.
6030
6031 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6032
6033         * cfgcleanup.c (bb_is_just_return): New function.
6034         (try_optimize_cfg): Simplify jumps to return, branches to return,
6035         and branches around return.
6036
6037 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
6038
6039         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
6040         branch to a return.
6041
6042 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6043
6044         PR c++/70906
6045         PR c++/70933
6046         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
6047         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
6048         assert flags & OEP_HASH_CHECK, instead of asserting it
6049         never happens.  Handle TARGET_EXPR.
6050         * fold-const.c (operand_equal_p): For hash verification,
6051         or in OEP_HASH_CHECK into flags.
6052
6053 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
6054
6055         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
6056         comment.
6057         (compute_samebase_partition_bases): Fix typo.
6058
6059 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
6060
6061         * config/i386/sse.md (vec_interleave_highv8sf,
6062         vec_interleave_lowv8sf, vec_interleave_highv4df,
6063         vec_interleave_lowv4df): Remove constraints from expanders.
6064
6065         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
6066
6067 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6068
6069         * tree-inline.c (expand_call_inline): Fix path dealing with
6070         making lhs of call statement undefined.
6071
6072 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
6073
6074         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
6075         Check availability on NODE, too.
6076         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
6077         (cgraph_node::call_for_symbol_and_aliases): Likewise.
6078         (varpool_node::call_for_symbol_and_aliase): Likewise.
6079         * ipa-pure-const.c (add_new_function): Analyze all bodies.
6080         (propagate_pure_const): Propagate across interposable functions, too.
6081         (skip_function_for_local_pure_const): Do not skip interposable bodies
6082         with aliases.
6083         (pass_local_pure_const::execute): Update.
6084
6085 2016-05-04  Marek Polacek  <polacek@redhat.com>
6086
6087         * doc/invoke.texi: Document -Wdangling-else.
6088
6089 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
6090
6091         * config.gcc: Error out when conflicting multilib is detected.  Do not
6092         loop over multilibs since no combination is legal.
6093
6094 2016-05-04  Alan Modra  <amodra@gmail.com>
6095
6096         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
6097         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
6098         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
6099         Align .toc.
6100
6101 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6102
6103         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6104         Clean up p5600 comments.
6105
6106 2016-05-04  Richard Biener  <rguenther@suse.de>
6107
6108         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6109         constructor simplifications.
6110         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6111
6112 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6113
6114         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6115         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6116         result.set_rtx is null instead of aborting.
6117         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6118         Always enable.
6119         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6120         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6121         *mov<mode>_store_postinc): New patterns.
6122
6123 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6124
6125         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6126         as commutative.  Check both conversions are NOP.
6127         ((A & B) OP (C & B)): Remove.
6128
6129 2016-05-04  Alan Modra  <amodra@gmail.com>
6130
6131         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6132
6133 2016-05-04  Alan Modra  <amodra@gmail.com>
6134
6135         PR target/70866
6136         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6137         when cr2,3,4 are all fixed regs.
6138
6139 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6140
6141         PR rtl-optimization/57193
6142         * opts.c (default_options_table): Revert OPT_frename_registers change.
6143         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6144
6145 2016-05-03  Martin Sebor  <msebor@redhat.com>
6146
6147         PR c++/66561
6148         * builtins.c (fold_builtin_FILE): New function.
6149         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6150         (fold_builtin_0): Call them.
6151         * gimplify.c (gimplify_call_expr): Remove the handling of
6152         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6153
6154         PR c++/66561
6155         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6156         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6157         constants.
6158
6159         PR c++/66639
6160         * doc/extend.texi (Function Names as Strings): Update __func__,
6161         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6162         constants.
6163
6164 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6165             Richard Biener  <rguenther@suse.de>
6166
6167         PR tree-optimization/70916
6168         * tree-if-conv.c: Include cfganal.h.
6169         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6170         and remove_fake_exit_edges around the optimization pass.
6171
6172 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6173
6174         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6175         (cgraph_edge::make_direct): Likewise.
6176         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6177         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6178         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6179         (CIF_THUNK): New code.
6180         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6181         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6182         (compute_inline_parameters): Set inline_failed for thunks.
6183         (inline_analyze_function): Cleanup.
6184         * ipa-inline.c (can_inline_edge_p): Do not deal with
6185         call_stmt_cannot_inline_p.
6186         (can_early_inline_edge_p): Likewise.
6187         (early_inliner): Initialize inline_failed.
6188         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6189
6190 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6191
6192         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6193         from nonimm_ssenomem_operand.
6194         (nonimm_ssenomem_operand): New predicate.
6195         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6196         as operand 0 predicate.
6197         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6198         Disable unsupported alternatives using "enabled" attribute.
6199         Use register_ssemem_operand as operand 0 predicate.
6200         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6201
6202 2016-05-03  Marek Polacek  <polacek@redhat.com>
6203
6204         PR c/70859
6205         * input.c (expansion_point_location): New function.
6206         * input.h (expansion_point_location): Declare.
6207
6208 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6209
6210         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6211         occurence with frame_offset_ ones.
6212
6213 2016-05-03  Alan Modra  <amodra@gmail.com>
6214
6215         PR rtl-optimization/70890
6216         * ira.c (combine_and_move_insns): When moving def_insn, remove
6217         equivs on use_insn.
6218
6219 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6220
6221         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6222         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6223         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6224         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6225
6226 2016-05-03  Alan Modra  <amodra@gmail.com>
6227
6228         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6229         for SAVE_MULTIPLE/STORE_MULTIPLE.
6230
6231 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6232
6233         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6234         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6235
6236 2016-05-03  Richard Biener  <rguenther@suse.de>
6237
6238         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6239         default true.
6240         (gimplify_arg): Likewise.
6241         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6242         re-writing the result to a decl if required.
6243         (internal_get_tmp_var): Add allow_ssa parameter
6244         and override into_ssa with it.
6245         (get_formal_tmp_var): Adjust.
6246         (get_initialized_tmp_var): Add allow_ssa parameter.
6247         (gimplify_arg): Add allow_ssa parameter and avoid generating
6248         SSA names for the result false.
6249         (gimplify_call_expr): If the call may return twice do not
6250         gimplify parameters into SSA.
6251         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6252         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6253         with a SSA name LHS adjust its def.
6254         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6255         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6256         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6257         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6258         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6259         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6260         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6261         (optimize_target_teams): Do not allow SSA names for clause operands.
6262         (gimplify_expr): Likewise for where we mark the result addressable.
6263         * passes.def (pass_init_datastructures): Remove.
6264         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6265         (rewrite_stmt): Likewise.
6266         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6267         (replace_locals_op): Replace SSA names.
6268         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6269         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6270         * cgraph.c (release_function_body): Free CFG annotations only
6271         when we have a CFG.  Simplify.
6272         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6273         force_gimple_operand instead of get_initialized_tmp_var.
6274         * tree-pass.h (make_pass_init_datastructures): Remove.
6275         * tree-ssa.c (execute_init_datastructures): Remove.
6276         (pass_data_init_datastructures): Likewise.
6277         (class pass_init_datastructures): Likewise.
6278         (make_pass_init_datastructures): Likewise.
6279         * omp-low.c (create_omp_child_function): Init SSA data structures.
6280         (grid_expand_target_grid_body): Likewise.
6281         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6282         name before adding it to names_to_release.
6283         (remove_bb): Always release SSA defs.
6284         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6285         before dereferencing it.
6286         * cgraphunit.c (init_lowered_empty_function): Always
6287         int SSA data structures.
6288         * tree-ssanames.c (release_defs): Remove assert that we are in
6289         SSA form.
6290         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6291
6292 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6293             Uros Bizjak  <ubizjak@gmail.com>
6294
6295         PR rtl-optimization/70467
6296         * config/i386/predicates.md (x86_64_hilo_int_operand,
6297         x86_64_hilo_general_operand): New predicates.
6298         * config/i386/constraints.md (Wd): New constraint.
6299         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6300         (general_hilo_operand): New mode attr.
6301         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6302         instead of <general_operand>.
6303         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6304         x86_64_hilo_general_operand instead of <general_operand>.
6305
6306 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6307
6308         PR tree-optimization/70916
6309         * tree-if-conv.c (constant_or_ssa_name): Removed.
6310         (fold_build_cond_expr): Use is_gimple_val instead of
6311         constant_or_ssa_name.
6312
6313         PR tree-optimization/70916
6314         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6315         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6316
6317         PR target/49244
6318         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6319         (optimize_atomic_bit_test_and): New function.
6320         (pass_fold_builtins::execute): Use it.
6321         * optabs.def (atomic_bit_test_and_set_optab,
6322         atomic_bit_test_and_complement_optab,
6323         atomic_bit_test_and_reset_optab): New optabs.
6324         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6325         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6326         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6327         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6328         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6329         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6330         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6331         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6332         atomic_bit_test_and_complement@var{mode},
6333         atomic_bit_test_and_reset@var{mode}): Document.
6334         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6335         atomic_bit_test_and_complement<mode>,
6336         atomic_bit_test_and_reset<mode>): New expanders.
6337         (atomic_bit_test_and_set<mode>_1,
6338         atomic_bit_test_and_complement<mode>_1,
6339         atomic_bit_test_and_reset<mode>_1): New insns.
6340
6341 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6342
6343         PR rtl-optimization/70687
6344         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6345         instead of unsigned HOST_WIDE_INT.
6346
6347 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6348
6349         PR rtl-optimization/44281
6350         * hard-reg-set.h (struct target_hard_regs): New field
6351         x_fixed_nonglobal_reg_set.
6352         (fixed_nonglobal_reg_set): New macro.
6353         * reginfo.c (init_reg_sets_1): Initialize it.
6354         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6355         of fixed_reg_set.
6356         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6357
6358 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6359
6360         PR tree-optimization/56541
6361         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6362         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6363         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6364         (any_complicated_phi): new static variable.
6365         (aggressive_if_conv): delete.
6366         (if_convertible_phi_p): support phis with more than two arguments.
6367         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6368         critical pred edges.
6369         (ifcvt_split_critical_edges): support phis with more than two
6370         arguments by checking new parameter.  only split critical edges
6371         if needed.
6372         (tree_if_conversion): handle simd pragma marked loop using new
6373         local variable aggressive_if_conv.  check any_complicated_phi.
6374
6375 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6376
6377         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6378         before using it.
6379
6380 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6381
6382         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6383         cbase.
6384
6385 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6386
6387         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6388         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6389         define_insn_and_split.
6390         (mulsi3_i): New define_insn_and_split.
6391         (mulsi3_call): Convert to define_insn.
6392         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6393         Remove constraints.
6394
6395 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6396
6397         * machmode.h (mode_complex): Add support to give the complex mode
6398         for a given mode.
6399         (GET_MODE_COMPLEX_MODE): Likewise.
6400         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6401         stored by build_complex_type and gfc_build_complex_type instead of
6402         trying to figure out the appropriate mode based on the size. Raise
6403         an assertion error, if the type was not set.
6404         * genmodes.c (struct mode_data): Add field for the complex type of
6405         the given type.
6406         (blank_mode): Likewise.
6407         (make_complex_modes): Remember the complex mode created in the
6408         base type.
6409         (emit_mode_complex): Write out the mode_complex array to map a
6410         type mode to the complex version.
6411         (emit_insn_modes_c): Likewise.
6412         * tree.c (build_complex_type): Set the complex type to use before
6413         calling layout_type.
6414         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6415         support for __float128 complex datatypes.
6416         (rs6000_hard_regno_mode_ok): Likewise.
6417         (rs6000_setup_reg_addr_masks): Likewise.
6418         (rs6000_complex_function_value): Likewise.
6419         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6420         __float128 and __ibm128 complex.
6421         (FLOAT128_IBM_P): Likewise.
6422         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6423         * doc/extend.texi (Additional Floating Types): Document that
6424         -mfloat128 must be used to enable __float128.  Document complex
6425         __float128 and __ibm128 support.
6426
6427 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6428
6429         PR target/49244
6430         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6431         char/short arguments promoted to int because of promote_prototypes.
6432
6433 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6434
6435         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6436         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6437         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6438         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6439         alternatives using "enabled" attribute.  Use register_ssemem_operand
6440         as operand 1 predicate.
6441         (*cmpi<unord>xf_i387): Split XFmode pattern from
6442         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6443         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6444         *absneg<mode>2_i387.  Disable unsupported alternatives using
6445         "enabled" attribute.
6446         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6447
6448 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6449
6450         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6451         marker.
6452         (oacc_loop_process): Check mask for loop termination.
6453
6454 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6455
6456         * cif-code.def (CIF_THUNK): Add.
6457         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6458         accidental change.
6459
6460 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6461
6462         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6463         (dump_inline_summary): Dump it.
6464         (fp_expression_p): New predicate.
6465         (estimate_function_body_sizes): Use it.
6466         (inline_merge_summary): Merge fp_expressions.
6467         (inline_read_section): Read fp_expressions.
6468         (inline_write_summary): Write fp_expressions.
6469         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6470         codegen boundary if either caller or callee is !fp_expressions.
6471         * ipa-inline.h (inline_summary): Add fp_expressions.
6472         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6473         to fp_expressions be sure the fp generation flags are updated.
6474
6475 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6476
6477         PR rtl-optimization/70467
6478         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6479
6480         PR rtl-optimization/70467
6481         * ipa-pure-const.c (check_call): Handle internal calls even in
6482         ipa mode like in local mode.
6483
6484 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6485
6486         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6487
6488 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6489
6490         * match.pd (X u< X, X u> X): New transformations.
6491
6492 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6493
6494         * flag-types.h (enum warn_strict_overflow_code): Move ...
6495         * coretypes.h: ... here.
6496         * fold-const.h (fold_overflow_warning): Declare.
6497         * fold-const.c (fold_overflow_warning): Make non-static.
6498         (fold_comparison): Move the transformation of X +- C1 CMP C2
6499         into X CMP C2 -+ C1 ...
6500         * match.pd: ... here.
6501         * gimple-fold.c (fold_stmt_1): Protect with
6502         fold_defer_overflow_warnings.
6503
6504 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6505
6506         * omp-low.c (struct oacc_loop): Add 'inner' field.
6507         (new_oacc_loop_raw): Initialize it to zero.
6508         (oacc_loop_fixed_partitions): Initialize it.
6509         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6510         available partitioning.
6511
6512 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6513
6514         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6515         register_operand.
6516         (umulsidi3): Likewise.
6517         (indirect_jump): Fix jump instruction assembly patterns.
6518
6519 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6520
6521         PR target/70860
6522         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6523         (nvptx_function_value): Assert non-NULL cfun.
6524
6525 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6526
6527         PR rtl-optimization/70886
6528         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6529
6530         * cselib.h (rtx_equal_for_cselib_1): Declare.
6531         (rtx_equal_for_cselib_p: New inline function.
6532         * cselib.c (rtx_equal_for_cselib_p): Delete.
6533         (rtx_equal_for_cselib_1): Make public.
6534
6535 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6536
6537         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6538         (register_mixssei387nonimm_operand): Remove predicate.
6539         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6540         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6541         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6542         for TARGET_MIX_SSE_I387 alternatives.
6543         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6544         Disable unsupported alternatives using "enabled" attribute.  Use
6545         nonimm_ssenomem_operand as operand 1 predicate.  Also check
6546         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6547
6548 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6549
6550         * tree.c (cst_and_fits_in_hwi): Simplify.
6551
6552 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6553
6554         * tree.h (wi::to_wide): New function.
6555         * expr.c (expand_expr_real_1): Use wi::to_wide.
6556         * fold-const.c (int_const_binop_1): Likewise.
6557         (extract_muldiv_1): Likewise.
6558
6559 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6560
6561         * wide-int.h: Update offset_int and widest_int documentation.
6562         (WI_SIGNED_SHIFT_RESULT): New macro.
6563         (wi::binary_shift): Define signed_shift_result_type for
6564         shifts on offset_int- and widest_int-like types.
6565         (generic_wide_int): Support <<= and >>= if << and >> are supported.
6566         * tree.h (int_bit_position): Use shift operators instead of wi::
6567          shifts.
6568         * alias.c (adjust_offset_for_component_ref): Likewise.
6569         * expr.c (get_inner_reference): Likewise.
6570         * fold-const.c (fold_comparison): Likewise.
6571         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6572         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6573         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6574         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6575         (stmt_kills_ref_p): Likewise.
6576         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6577         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6578         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6579         (ao_ref_init_from_vn_reference): Likewise.
6580
6581 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6582
6583         * wide-int.h: Update offset_int and widest_int documentation.
6584         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6585         (wi::binary_traits): Allow ordered comparisons between offset_int and
6586         offset_int, between widest_int and widest_int, and between either
6587         of these types and basic C types.
6588         (operator <, <=, >, >=): Define for the same combinations.
6589         * tree.h (tree_int_cst_lt): Use comparison operators instead
6590         of wi:: comparisons.
6591         (tree_int_cst_le): Likewise.
6592         * gimple-fold.c (fold_array_ctor_reference): Likewise.
6593         (fold_nonarray_ctor_reference): Likewise.
6594         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6595         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6596         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6597         * tree-sra.c (completely_scalarize): Likewise.
6598         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6599         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6600         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6601         (check_for_binary_op_overflow): Likewise.
6602         (search_for_addr_array): Likewise.
6603         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6604
6605 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6606
6607         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6608         (arc_save_restore): Likewise.
6609         (arc_dwarf_register_span): Likewise.
6610         (arc_output_pic_addr_const): Initialize suffix variable.
6611
6612 2016-05-02  Martin Liska  <mliska@suse.cz>
6613
6614         * symbol-summary.h (function_summary::function_summary):
6615         Remove checking assert for all cgraph nodes.
6616         (function_summary::get): Check summary_uid.
6617         (symtab_insertion): Check summary_uid.
6618
6619 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6620
6621         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6622         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6623         bmaskn instruction.
6624         (arc_dwarf_register_span): Remove enum keyword.
6625         (compact_memory_operand_p): New function.
6626         * config/arc/arc.h (reg_class): Add code density register classes.
6627         (REG_CLASS_NAMES): Likewise.
6628         (REG_CLASS_CONTENTS): Likewise.
6629         * config/arc/arc.md (*movqi_insn): Add code density instructions.
6630         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6631         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6632         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6633         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6634         constraints.
6635         (h, Rcd, Rsd, Rzd): New register constraints.
6636         (T): Use compact_memory_operand_p function.
6637         * config/arc/predicates.md (compact_load_memory_operand): Remove.
6638
6639 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6640
6641         * config/sh/sh.md (*negnegt, *movtt): Remove.
6642
6643 2016-05-02  Marek Polacek  <polacek@redhat.com>
6644             Tom de Vries  <tom@codesourcery.com>
6645
6646         PR tree-optimization/70700
6647         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6648         bigger than FIRST_REF_NODE.
6649
6650 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6651
6652         PR target/52898
6653         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6654         TARGET_CMPEQDI_T.
6655         (prepare_cbranch_operands): Don't use scratch register.  Assume that
6656         function is used when pseudos can be created.
6657         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
6658         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6659         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6660         define_expand.  Allow it only when pseudos can be created.
6661         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6662
6663 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
6664
6665         * config/i386/constraints.md (BC): Only allow -1 operands.
6666         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6667         Add "enabled" attribute.  Update XI mode attribute calculation.
6668         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6669         (*movoi_internal_avx): Update XI mode attribute calculation.
6670         (*movti_internal): Ditto.
6671
6672 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6673
6674         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6675         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6676
6677 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6678
6679         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6680         statement on instruction code.  Remove trailing spaces.
6681         (altivec_expand_stv_builtin): Likewise.
6682
6683 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6684
6685         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6686         (TARGET_FPU_DOUBLE): Simplify.
6687         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6688         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6689         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6690         with 'TARGET_FPU_DOUBLE'.
6691         * config/sh/sh.md: Likewise.
6692
6693 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
6694
6695         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6696         SH_DIV_STR_FOR_SIZE): Remove.
6697         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6698         SH_DIV_STR_FOR_SIZE): Remove.
6699
6700 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6701
6702         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6703         logical_reg_operand): Delete.
6704         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6705         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6706         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6707         match_operand and match_test.
6708         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
6709         variables on their first use.  Return bool values.
6710         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6711         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6712         arith_reg_operand for input operand.  Remove empty constraints.
6713         (xorsi3): Delete.
6714         (*xorsi3_compact): Rename to xorsi3.
6715         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6716         (*zero_extend<mode>si2_disp_mem): Update comment.
6717         (mov_nop): Delete.
6718
6719 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6720
6721         * config/sh/t-sh: Remove SH5 support.
6722         * config.gcc: Likewise.
6723         * configure: Likewise.
6724
6725 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6726
6727         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6728
6729 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6730
6731         * config/sh/sh.c (register_sh_passes, sh_option_override,
6732         sh_print_operand, prepare_move_operands,
6733         sh_can_follow_jump): Remove TARGET_SH1 checks.
6734         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6735         PROMOTE_MODE): Likewise.
6736         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6737         movdi): Likewise.
6738
6739 2016-04-30  Alan Modra  <amodra@gmail.com>
6740
6741         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6742         restoring when fixed_reg_p, but allow out-of-line or stmw save.
6743         Check for user regs later to avoid unnecessary looping over regs.
6744         Merge user reg check with non-saved reg check.  Don't force
6745         inline VR restore when static chain used.
6746         (rs6000_frame_related): Omit eh_frame info for user regs when
6747         saving.
6748         (fixed_regs_p): Delete.
6749
6750 2016-04-30  Alan Modra  <amodra@gmail.com>
6751
6752         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6753         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
6754         Update all uses.
6755
6756 2016-04-30  Alan Modra  <amodra@gmail.com>
6757
6758         PR target/69645
6759         * config/rs6000/rs6000.c (fixed_reg_p): New function.
6760         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
6761         Update all uses.
6762
6763 2016-04-30  Alan Modra  <amodra@gmail.com>
6764
6765         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6766         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
6767         flag_pic test for Darwin.
6768
6769 2016-04-30  Alan Modra  <amodra@gmail.com>
6770
6771         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6772         throw_calls_crossed.
6773         (REG_FREQ_CALLS_CROSSED): Delete.
6774         (REG_N_THROWING_CALLS_CROSSED): Delete.
6775         * regstat.c (regstat_bb_compute_ri): Don't calculate
6776         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6777         (dump_reg_info): Don't print call cross frequency.
6778         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6779         and REG_N_THROWING_CALLS_CROSSED.
6780
6781 2016-04-30  Alan Modra  <amodra@gmail.com>
6782
6783         * regs.h (struct reg_info_t): Delete live_length.
6784         (REG_LIVE_LENGTH): Delete macro.
6785         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6786         local_live, local_processed and local_live_last_luid params.
6787         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
6788         Formatting fixes.
6789         (regstat_compute_ri): Adjust for above.  Don't set
6790         REG_LIVE_LENGTH.
6791         (dump_reg_info): Don't print live length.
6792         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6793         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
6794         Localize loop_depth var.
6795
6796 2016-04-30  Alan Modra  <amodra@gmail.com>
6797
6798         * ira.c (enum valid_equiv): New.
6799         (validate_equiv_mem): Return enum.
6800         (update_equiv_mem): Create replacement in more cases.
6801         (add_store_equivs): Update validate_equiv_mem call.
6802
6803 2016-04-30  Alan Modra  <amodra@gmail.com>
6804
6805         * ira.c (combine_and_move_insns): Rather than scanning insns,
6806         use DF infrastucture to find use and def insns.
6807
6808 2016-04-30  Alan Modra  <amodra@gmail.com>
6809
6810         ira.c (combine_and_move_insns): Move invariant conditions..
6811         (ira.c): ..to here.  Call combine_and_move_insns before
6812         add_store_equivs.  Call grow_reg_equivs later.  Allocate
6813         req_equiv later using max_reg_num() rather than global max_regno.
6814         (contains_replace_regs): Delete.
6815         (add_store_equivs): Remove contains_replace_regs test.
6816
6817 2016-04-30  Alan Modra  <amodra@gmail.com>
6818
6819         * ira.c (struct equiv_mem_data): New.
6820         (equiv_mem, equiv_mem_modified): Delete static vars.
6821         (validate_equiv_mem_from_store): Use "data" param to communicate..
6822         (validate_equiv_mem): ..from here.
6823
6824 2016-04-30  Alan Modra  <amodra@gmail.com>
6825
6826         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6827         split out from..
6828         (update_reg_equivs): ..here.  Move allocation and freeing of
6829         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6830         end_alias_analysis to..
6831         (ira): ..here.
6832
6833 2016-04-30  Alan Modra  <amodra@gmail.com>
6834
6835         * ira.c (pdx_subregs): Delete.
6836         (struct equivalence): Add pdx_subregs field.
6837         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
6838         pdx_subregs access.
6839         (update_equiv_regs): Don't create or free pdx_subregs.  Update
6840         pdx_subregs access.
6841
6842 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6843
6844         * config/rs6000/altivec.h: Change definitions of vec_xl and
6845         vec_xst.
6846         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6847         (LD_ELEMREV_V2DI): New.
6848         (LD_ELEMREV_V4SF): New.
6849         (LD_ELEMREV_V4SI): New.
6850         (LD_ELEMREV_V8HI): New.
6851         (LD_ELEMREV_V16QI): New.
6852         (ST_ELEMREV_V2DF): New.
6853         (ST_ELEMREV_V2DI): New.
6854         (ST_ELEMREV_V4SF): New.
6855         (ST_ELEMREV_V4SI): New.
6856         (ST_ELEMREV_V8HI): New.
6857         (ST_ELEMREV_V16QI): New.
6858         (XL): New.
6859         (XST): New.
6860         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6861         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6862         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6863         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6864         (altivec_expand_builtin): Add handling for
6865         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6866         (rs6000_invalid_builtin): Add error-checking for
6867         RS6000_BTM_P9_VECTOR.
6868         (altivec_init_builtins): Define builtins used to implement vec_xl
6869         and vec_xst.
6870         (rs6000_builtin_mask_names): Define power9-vector.
6871         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6872         (RS6000_BTM_P9_VECTOR): Define.
6873         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6874         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6875         (vsx_ld_elemrev_v2df): Likewise.
6876         (vsx_ld_elemrev_v4sf): Likewise.
6877         (vsx_ld_elemrev_v4si): Likewise.
6878         (vsx_ld_elemrev_v8hi): Likewise.
6879         (vsx_ld_elemrev_v16qi): Likewise.
6880         (vsx_st_elemrev_v2df): Likewise.
6881         (vsx_st_elemrev_v2di): Likewise.
6882         (vsx_st_elemrev_v4sf): Likewise.
6883         (vsx_st_elemrev_v4si): Likewise.
6884         (vsx_st_elemrev_v8hi): Likewise.
6885         (vsx_st_elemrev_v16qi): Likewise.
6886         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
6887         grammar.
6888
6889 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
6890
6891         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6892         out into ...
6893         (simplify_control_stmt_condition_1): ... here.  Recurse into
6894         BIT_AND_EXPRs and BIT_IOR_EXPRs.
6895
6896 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
6897
6898         PR target/69810
6899         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
6900         (zero_extendqi<mode>2_dot): Revert earlier conversion from
6901         define_insn_and_split to define_insn.
6902         (zero_extendqi<mode>2_dot2): Same.
6903         (extendqi<mode>2_dot): Same.
6904         (extendqi<mode>2_dot2): Same.
6905
6906 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6907
6908         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
6909         (probe_stack): New expander.
6910         (probe_stack_<mode>): New insn pattern.
6911
6912 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6913
6914         * config/i386/i386.md
6915         (operations with memory inputs setting flags peephole2):
6916         Remove uneeded REG_P checks.  Cleanup pattern generation.
6917
6918 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
6919
6920         * tree-vect-loop.c (vect_transform_loop): Fix
6921         nb_iterations_upper_bound computation for vectorized loop.
6922
6923 2016-04-29  Marek Polacek  <polacek@redhat.com>
6924             Jakub Jelinek  <jakub@redhat.com>
6925
6926         PR sanitizer/70342
6927         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
6928         TARGET_EXPR_SLOT as a base.
6929
6930 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
6931
6932         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
6933         with 'rCm2' constraints to limit possible immediate size.
6934         (*load_zeroextendqisi_update): Likewise.
6935         (*load_signextendqisi_update): Likewise.
6936         (*loadhi_update): Likewise.
6937         (*load_zeroextendhisi_update): Likewise.
6938         (*load_signextendhisi_update): Likewise.
6939         (*loadsi_update): Likewise.
6940         (*loadsf_update): Likewise.
6941
6942 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6943
6944         * config/i386/predicates.md (constm1_operand): Fix comparison.
6945
6946 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6947
6948         * testsuite/gcc.target/arc/ieee_eq.c: New test.
6949
6950 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
6951
6952         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
6953         remaining SH5 related settings.
6954         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
6955         shmedia_prepare_call_address): Delete.
6956         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
6957         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
6958         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
6959         UNSUPPORTED_SH2A): Remove m5 checks.
6960         (sh_divide_strategy_e): Remove SH5 division strategies.
6961         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
6962         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
6963
6964 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6965
6966         * config/s390/s390.c (s390_rtx_costs): Update documentation.
6967
6968 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6969
6970         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
6971         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
6972         Change lder to ldr.
6973         * config/s390/vector.md ("mov<mode>"): Likewise.
6974
6975 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
6976
6977         * config/s390/constraints.md ("U", "W"): Invoke
6978         s390_mem_constraint with "ZR" and "ZT".
6979         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
6980         addresses when using LRA.  Accept also short displacements for S
6981         and T constraints.  Do not check for long displacement target for
6982         S and T constraints.
6983         (s390_mem_constraint): Remove handling of U and W constraints.
6984         * config/s390/s390.md (various patterns): Remove the short
6985         displacement constraints (Q and R) if a long displacement
6986         constraint is present.  Add longdisp as required CPU capability.
6987         * config/s390/vector.md: Likewise.
6988         * config/s390/vx-builtins.md: Likewise.
6989
6990 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6991
6992         PR target/60040
6993         * reload1.c (reload): Call finish_spills before
6994         restarting reload loop. Skip select_reload_regs
6995         if update_eliminables_and_spill returns true.
6996
6997 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6998
6999         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
7000         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
7001         (umulhisi3_imm): Update predicates and constraint letters.
7002         (umulhisi3_reg): Declare instruction as commutative.
7003         * config/arc/constraints.md (J12, J16): New constraints.
7004         * config/arc/predicates.md (short_unsigned_const_operand): New
7005         predicate.
7006         (arc_short_operand): Likewise.
7007         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
7008
7009 2016-04-29  Richard Biener  <rguenther@suse.de>
7010
7011         PR tree-optimization/13962
7012         PR tree-optimization/65686
7013         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
7014         * tree-ssa-alias.c (ptrs_compare_unequal): New function
7015         using PTA to compare pointers.
7016         * match.pd: Add pattern for pointer equality compare simplification
7017         using ptrs_compare_unequal.
7018
7019 2016-04-29  Richard Biener  <rguenther@suse.de>
7020
7021         * stor-layout.c (layout_type): Do not build a pointer-to-element
7022         type for arrays.
7023
7024 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
7025
7026         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
7027         Use SWI mode iterator.  Use general_reg_operand predicate.
7028         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
7029         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
7030         predicates.
7031
7032 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
7033
7034         PR middle-end/70843
7035         * fold-const.c (operand_equal_p): Don't verify hash value equality
7036         if arg0 == arg1.
7037         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
7038         and OMP_CLAUSE.
7039
7040 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7041
7042         PR target/70858
7043         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
7044         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
7045         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
7046         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
7047         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
7048
7049 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7050
7051         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
7052         to info.  Don't initialize separate fields to 0.  Clean up
7053         formatting a bit.
7054
7055 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7056
7057         * config/i386/i386.md (peephole2s for operations with memory inputs):
7058         Use SWI mode iterator.
7059         (peephole2s for operations with memory outputs): Ditto.
7060         Do not check for stack checking probe.
7061
7062         (probe_stack): Remove expander.
7063
7064 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7065             Andrew Burgess  <andrew.burgess@embecosm.com>
7066
7067         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
7068         operands as 32-bits.
7069
7070 2016-04-28  Jason Merrill  <jason@redhat.com>
7071
7072         * gdbinit.in: Skip line-map.h.
7073
7074 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7075             Andrew Burgess  <andrew.burgess@embecosm.com>
7076
7077         * config/arc/arc.c (arc_conditional_register_usage): Take
7078         TARGET_RRQ_CLASS into account.
7079         (arc_print_operand): Support printing 'p' and 's' operands.
7080         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
7081         as 0.
7082         (TARGET_RRQ_CLASS): Define.
7083         (IS_POWEROF2_OR_0_P): Define.
7084         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
7085         alternatives.
7086         (*tst_movb): New define_insn.
7087         (*tst): Avoid recognition if it could prevent '*tst_movb'
7088         combination; replace c/CnL with c/Chs alternative.
7089         (*tst_bitfield_tst): New define_insn.
7090         (*tst_bitfield_asr): New define_insn.
7091         (*tst_bitfield): New define_insn.
7092         (andsi3_i): Add Rrq variant.
7093         (extzv): New define_expand.
7094         (insv): New define_expand.
7095         (*insv_i): New define_insn.
7096         (*movb): New define_insn.
7097         (*movb_signed): New define_insn.
7098         (*movb_high): New define_insn.
7099         (*movb_high_signed): New define_insn.
7100         (*movb_high_signed + 1): New define_split pattern.
7101         (*mrgb): New define_insn.
7102         (*mrgb + 1): New define_peephole2 pattern.
7103         (*mrgb + 2): New define_peephole2 pattern.
7104         * config/arc/arc.opt (mbitops): New option for nps400, uses
7105         TARGET_NPS_BITOPS_DEFAULT.
7106         * config/arc/constraints.md (q): Make register class conditional.
7107         (Rrq): New register constraint.
7108         (Chs): New constraint.
7109         (Clo): New constraint.
7110         (Chi): New constraint.
7111         (Cbf): New constraint.
7112         (Cbn): New constraint.
7113         (C18): New constraint.
7114         (Cbi): New constraint.
7115
7116 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7117
7118         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7119         dst->popcount.
7120         (bitmap_intersection_of_preds): Ditto.
7121         (bitmap_union_of_succs): Ditto.
7122         (bitmap_union_of_preds): Ditto.
7123         * sbitmap.c (do_popcount): Delete.
7124         (BITMAP_DEBUGGING): Delete.
7125         (sbitmap_verify_popcount): Delete.
7126         (sbitmap_alloc): Don't initialize the popcount field.
7127         (sbitmap_alloc_with_popcount): Delete.
7128         (sbitmap_resize): Don't resize the popcount array.
7129         (sbitmap_vector_alloc): Don't initialize the popcount field.
7130         (bitmap_copy): Don't copy the popcount array.
7131         (bitmap_clear): Don't clear the popcount array.
7132         (bitmap_clear): Delete the popcount array handling.
7133         (bitmap_ior_and_compl): Delete the popcount assert.
7134         (bitmap_not): Ditto.
7135         (bitmap_and_compl): Ditto.
7136         (bitmap_and): Delete the popcount array handling.
7137         (bitmap_xor): Ditto.
7138         (bitmap_ior): Ditto.
7139         (bitmap_or_and): Delete the popcount assert.
7140         (bitmap_and_or): Ditto.
7141         (popcount_table): Delete.
7142         (sbitmap_elt_popcount): Delete.
7143         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7144         (bitmap_set_bit): Delete the popcount assert.
7145         (bitmap_clear_bit): Ditto.
7146         (sbitmap_free): Don't free the popcount array.
7147         (sbitmap_alloc_with_popcount): Delete declaration.
7148         (sbitmap_popcount): Ditto.
7149
7150 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7151             Andrew Burgess  <andrew.burgess@embecosm.com>
7152
7153         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7154         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7155         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7156         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7157         * config/arc/arc.opt (mcmem): New option.
7158         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7159         supply length for r/m alternative.
7160         (*extendqisi2_ac): Likewise.
7161         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7162         r/Uex alternative.
7163         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7164         (movhi_insn): Likewise.
7165         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7166         (*zero_extendqihi2_i): Add r/Ucm alternative.
7167         (*zero_extendqisi2_ac): Likewise.
7168         (*zero_extendhisi2_i): Likewise.
7169         * config/arc/constraints.md (Uex): New memory constraint.
7170         (Ucm): New define_constraint.
7171         * config/arc/predicates.md (long_immediate_loadstore_operand):
7172         Return 0 for MEM with cmem_address address.
7173         (cmem_address_0): New predicates.
7174         (cmem_address_1): Likewise.
7175         (cmem_address_2): Likewise.
7176         (cmem_address): Likewise.
7177
7178 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7179
7180         * config/rs6000/rs6000.c (machine_function): Rename
7181         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7182         (rs6000_stack_info): Adjust.
7183
7184 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7185             Andrew Burgess  <andrew.burgess@embecosm.com>
7186
7187         * config/arc/constraints.md (Usd): Convert to define_constraint.
7188         (Us<): Likewise.
7189         (Us>): Likewise.
7190
7191 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7192
7193         PR target/70821
7194         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7195         Add new peephole2 where the first insn is *mov<mode>_or instead of
7196         *mov<mode>_internal.
7197
7198 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7199
7200         * tracer.c (bb_seen): Make static.
7201
7202 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7203
7204         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7205         support, setup defaults.
7206         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7207         * config/arc/arc.c (arc_init): Add NPS400 support.
7208         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7209         (TARGET_ARC700): NPS400 is also an ARC700.
7210         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7211
7212 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7213
7214         PR target/70668
7215         * config/nds32/nds32.md (casesi): Don't access the operands array
7216         out of bounds.
7217
7218 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7219
7220         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7221         (or $-1,reg peephole2): Ditto.
7222         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7223
7224 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7225
7226         * doc/extend.texi (Common Function Attributes) [optimize]:
7227         Discourage use of the optimize attribute.
7228
7229 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7230
7231         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7232         special case builtin.
7233         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7234         ALTIVEC_BUILTIN_VEC_ADDE.
7235         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7236         support for ALTIVEC_BUILTIN_VEC_ADDE.
7237         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7238         for __builtin_vec_adde.
7239
7240 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7241
7242         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7243         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7244
7245 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7246
7247         PR testsuite/70595
7248         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7249         attributes): Document cilkplus_runtime.
7250
7251 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7252
7253         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7254         this function.  Call verify_expr on MEM_REFs and bases of other
7255         handled_components.
7256
7257 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7258
7259         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7260         for WORD_REGISTER_OPERATIONS to runtime check.
7261
7262 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7263
7264         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7265
7266 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7267
7268         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7269         big-endian compilation.
7270         * config/arc/arc.md (addf3): Likewise.
7271         (subdf3): Likewise.
7272         (muldf3): Likewise.
7273
7274 2016-04-28  Richard Biener  <rguenther@suse.de>
7275
7276         PR tree-optimization/70840
7277         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7278         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7279         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7280         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7281
7282 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7283
7284         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7285         and explain why in a comment.
7286
7287 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7288
7289         * config/arc/arc.md (cpu_facility): Add fpx variant.
7290         (subdf3): Prohibit use reverse sub when assist operations option
7291         is enabled.
7292         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7293         instructions only when FPX is enabled.
7294         * testsuite/gcc.target/arc/trsub.c: New test.
7295
7296 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7297
7298         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7299         mult_operator when calculating "type" attribute.
7300         (*fop_<mode>_1_i387): Ditto.
7301         (*fop_xf_1_i387): Ditto.
7302         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7303         Use std::swap to swap operands.  Use RTL expressions to generate
7304         converted pattern.
7305
7306 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7307             Joern Rennecke  <joern.rennecke@embecosm.com>
7308
7309         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7310         declaration.
7311         (emit_pic_move): Remove.
7312         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7313         * config/arc/arc.c (emit_pic_move): Removed.
7314         (TARGET_HAVE_TLS): Define.
7315         (arc_conditional_register_usage): Test for arc_tp_regno.
7316         (arc_print_operand, arc_print_operand_address): Handle TLS
7317         unspecs.
7318         (arc_needs_pcl_p): New function.
7319         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7320         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7321         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7322         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7323         (arc_legitimize_tls_address): Likewise.
7324         (DTPOFF_ZERO_SYM): Define.
7325         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7326         (arc_output_pic_addr_const): Print TLS unspecs.
7327         (prepare_pic_move): New function, replaces emit_pic_move.
7328         (arc_legitimate_constant_p): Handle TLS unspecs.
7329         (arc_legitimate_address_p): Likewise.
7330         (arc_rewrite_small_data_p): Use assert for TLS constants.
7331         (prepare_move_operands): Use prepare_pic_move.
7332         (arc_legitimize_address): Legitimize tls addresses.
7333         (arc_epilogue_uses): Check for arc_tp_regno.
7334         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7335         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7336         Define.
7337         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7338         Likewise.
7339         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7340         %(arc_tls_extra_start_spec).
7341         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7342         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7343         (EH_USES): Define.
7344         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7345         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7346         (UNSPEC_TLS_OFF): Add.
7347         (R10_REG): Define.
7348         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7349         (get_thread_pointersi): New patterns.
7350         * config/arc/arc.opt (mtp-regno): New option.
7351         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7352         (move_dest_operand): Likewise.
7353         * configure: Regenerate.
7354         * configure.ac: Add arc*-*-* case to test for tls.
7355         * doc/invoke.texi (ARC options): Document mtp-regno.
7356
7357 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7358
7359         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7360         the new ARC HS SIMD instructions.
7361         (arc_preferred_simd_mode): New function.
7362         (arc_autovectorize_vector_sizes): Likewise.
7363         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7364         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7365         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7366         (arc_init_builtins): Add new SIMD builtin types.
7367         (arc_split_move): Handle 64 bit vector moves.
7368         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7369         (TARGET_PLUS_QMACW): Define.
7370         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7371         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7372         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7373         (VSUBADD4H): New builtins.
7374         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7375         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7376
7377 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7378             Matthias Klose  <doko@debian.org>
7379
7380         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7381
7382 2016-04-28  Richard Biener  <rguenther@suse.de>
7383
7384         PR middle-end/70777
7385         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7386         canonicalization.
7387
7388 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7389
7390         * common/config/sh/sh-common.c: Remove SH5 support.
7391         * config/sh/constraints.md: Likewise.
7392         * config/sh/config/sh/elf.h: Likewise.
7393         * config/sh/linux.h: Likewise.
7394         * config/sh/netbsd-elf.h: Likewise.
7395         * config/sh/predicates.md: Likewise.
7396         * config/sh/sh-c.c: Likewise.
7397         * config/sh/sh-protos.h: Likewise.
7398         * config/sh/sh.c: Likewise.
7399         * config/sh/sh.h: Likewise.
7400         * config/sh/sh.md: Likewise.
7401         * config/sh/sh.opt: Likewise.
7402         * config/sh/sync.md: Likewise.
7403         * config/sh/sh64.h: Delete.
7404         * config/sh/shmedia.h: Likewise.
7405         * config/sh/shmedia.md: Likewise.
7406         * config/sh/sshmedia.h: Likewise.
7407         * config/sh/t-netbsd-sh5-64: Likewise.
7408         * config/sh/t-sh64: Likewise.
7409         * config/sh/ushmedia.h: Likewise.
7410
7411 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7412
7413         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7414         general_reg_operand instead of register_operand predicate.
7415
7416 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7417
7418         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7419
7420 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7421
7422         * match.pd (A - B > A, A + B < A): New transformations.
7423
7424 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7425
7426         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7427         which defaults to true.  Emit an outer pair of parentheses only if
7428         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7429         don't emit parentheses for the right-hand operand.
7430
7431 2016-04-27  Jeff Law  <law@redhat.com>
7432
7433         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7434
7435 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7436
7437         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7438         (altivec_lvx_<mode>_internal): Document.
7439         (altivec_lvx_<mode>_2op): New define_insn.
7440         (altivec_lvx_<mode>_1op): Likewise.
7441         (altivec_lvx_<mode>_2op_si): Likewise.
7442         (altivec_lvx_<mode>_1op_si): Likewise.
7443         (altivec_stvx_<mode>): Remove.
7444         (altivec_stvx_<mode>_internal): Document.
7445         (altivec_stvx_<mode>_2op): New define_insn.
7446         (altivec_stvx_<mode>_1op): Likewise.
7447         (altivec_stvx_<mode>_2op_si): Likewise.
7448         (altivec_stvx_<mode>_1op_si): Likewise.
7449         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7450         Expand vec_ld and vec_st during parsing.
7451         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7452         changes.
7453         (altivec_expand_stvx_be): Likewise.
7454         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7455         address-masking behavior in RTL.
7456         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7457         address-masking behavior in RTL.
7458         (altivec_expand_builtin): Change builtin code arguments for calls
7459         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7460         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7461         presence of lvx/stvx patterns.
7462         (alignment_with_canonical_addr): New function.
7463         (alignment_mask): Likewise.
7464         (find_alignment_op): Likewise.
7465         (recombine_lvx_pattern): Likewise.
7466         (recombine_stvx_pattern): Likewise.
7467         (recombine_lvx_stvx_patterns): Likewise.
7468         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7469         stvx patterns from expand.
7470         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7471         expansions.
7472         (vector_altivec_store_<mode>): Likewise.
7473
7474 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7475
7476         * config/aarch64/aarch64.md
7477         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7478         remove the "fp" attributes.
7479         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7480         add the "simd" attributes.
7481         (*movdf_aarch64): Likewise.
7482         (*movtf_aarch64): Remove the "fp" attributes.
7483         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7484         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7485
7486 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7487
7488         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7489         rtx to rtx_code_label *.
7490         * rtl.h (maybe_set_first_label_num): Likewise.
7491
7492 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7493
7494         * df-core.c (df_add_problem): Make the problem param be const.
7495         (df_remove_problem): Make local "problem" be const.
7496         * df-problems.c (problem_RD): Make const.
7497         (problem_LR): Likewise.
7498         (problem_LIVE): Likewise.
7499         (problem_MIR): Likewise.
7500         (problem_CHAIN): Likewise.
7501         (problem_WORD_LR): Likewise.
7502         (problem_NOTE): Likewise.
7503         (problem_MD): Likewise.
7504         * df-scan.c (problem_SCAN): Likewise.
7505         * df.h (struct df_problem): Make field "dependent_problem" be
7506         const.
7507         (struct dataflow): Likewise for field "problem".
7508         (df_add_problem): Make param const.
7509
7510 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7511
7512         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7513         inter-unit moves to/from vector registers are enabled.  Do not disable
7514         for TARGET_MMX.
7515
7516 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7517
7518         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7519         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7520         #define to...
7521         (enum df_problem_id): ...this new enum.
7522         (struct df_problem): Convert field "id" from "int" to
7523         enum df_problem_id.
7524
7525 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7526
7527         * rtl.def: Update comment for "things in the instruction chain" to
7528         reflect the removal of the leading "i" field for INSN_UID in
7529         r210360.  Fix bogus apostrophe.
7530
7531 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7532
7533         * config/i386/i386.md
7534         (lea arith with mem operand + setcc peephole2): Set operator mode.
7535
7536 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7537
7538         PR target/70155
7539         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7540         (dimode_scalar_to_vector_candidate_p): This.
7541         (timode_scalar_to_vector_candidate_p): New function.
7542         (scalar_to_vector_candidate_p): Likewise.
7543         (timode_check_non_convertible_regs): Likewise.
7544         (timode_remove_non_convertible_regs): Likewise.
7545         (remove_non_convertible_regs): Likewise.
7546         (remove_non_convertible_regs): Renamed to ...
7547         (dimode_remove_non_convertible_regs): This.
7548         (scalar_chain::~scalar_chain): Make it virtual.
7549         (scalar_chain::compute_convert_gain): Make it pure virtual.
7550         (scalar_chain::mark_dual_mode_def): Likewise.
7551         (scalar_chain::convert_insn): Likewise.
7552         (scalar_chain::convert_registers): Likewise.
7553         (scalar_chain::add_to_queue): Make it protected.
7554         (scalar_chain::emit_conversion_insns): Likewise.
7555         (scalar_chain::replace_with_subreg): Likewise.
7556         (scalar_chain::replace_with_subreg_in_insn): Likewise.
7557         (scalar_chain::convert_op): Likewise.
7558         (scalar_chain::convert_reg): Likewise.
7559         (scalar_chain::make_vector_copies): Likewise.
7560         (scalar_chain::convert_registers): New pure virtual function.
7561         (class dimode_scalar_chain): New class.
7562         (class timode_scalar_chain): Likewise.
7563         (scalar_chain::mark_dual_mode_def): Renamed to ...
7564         (dimode_scalar_chain::mark_dual_mode_def): This.
7565         (timode_scalar_chain::mark_dual_mode_def): New function.
7566         (timode_scalar_chain::convert_insn): Likewise.
7567         (dimode_scalar_chain::convert_registers): Likewise.
7568         (scalar_chain::compute_convert_gain): Renamed to ...
7569         (dimode_scalar_chain::compute_convert_gain): This.
7570         (scalar_chain::replace_with_subreg): Renamed to ...
7571         (dimode_scalar_chain::replace_with_subreg): This.
7572         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7573         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7574         (scalar_chain::make_vector_copies): Renamed to ...
7575         (dimode_scalar_chain::make_vector_copies): This.
7576         (scalar_chain::convert_reg): Renamed to ...
7577         (dimode_scalar_chain::convert_reg ): This.
7578         (scalar_chain::convert_op): Renamed to ...
7579         (dimode_scalar_chain::convert_op): This.
7580         (scalar_chain::convert_insn): Renamed to ...
7581         (dimode_scalar_chain::convert_insn): This.
7582         (scalar_chain::convert): Call convert_registers.
7583         (convert_scalars_to_vector): Change to scalar_chain pointer to
7584         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7585         in 32-bit mode.  Delete scalar_chain pointer.  Call
7586         free_dominance_info in 64-bit mode.
7587         (pass_stv::gate): Remove TARGET_64BIT check.
7588         (ix86_option_override): Put the 64-bit STV pass before the CSE
7589         pass.
7590
7591 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
7592
7593         * dwarf2out.h (struct dw_loc_descr_node): Remove the
7594         dw_loc_frame_offset field.
7595         * dwarf2out.c (new_loc_descr): Likewise.
7596         (resolve_args_picking_1): Turn the VISITED hash set into a
7597         FRAME_OFFSET hash map. Use it to associate a frame offset to
7598         visited nodes. Remove uses of the CHECKING_P macro.
7599         (resolve_args_picking): Update call to resolve_args_picking_1.
7600
7601 2016-04-27  Martin Liska  <mliska@suse.cz>
7602
7603         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7604         (free_loop_data): Release vuses of groups.
7605
7606 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
7607
7608         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7609         instead of redundant use_id and boolean have_use_for.
7610         (struct iv_use): Change sub_id into group_id.  Remove field next.
7611         Move fields: related_cands, n_map_members, cost_map and selected
7612         to ...
7613         (struct iv_group): ... here.  New structure.
7614         (struct iv_common_cand): Use structure declaration directly.
7615         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7616         (MAX_CONSIDERED_USES): Rename macro to ...
7617         (MAX_CONSIDERED_GROUPS): ... here.
7618         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7619         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7620         (dump_uses): Rename to ...
7621         (dump_groups): ... here.  Update all uses.
7622         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7623         (find_induction_variables): Refactor format of dump information.
7624         (record_sub_use): Delete.
7625         (record_use): Update all uses.
7626         (record_group): New function.
7627         (record_group_use, find_interesting_uses_op): Call above functions.
7628         Update all uses.
7629         (find_interesting_uses_cond): Ditto.
7630         (group_compare_offset): New function.
7631         (split_all_small_groups): Rename to ...
7632         (split_small_address_groups_p): ... here.  Update all uses.
7633         (split_address_groups):  Update all uses.
7634         (find_interesting_uses): Refactor format of dump information.
7635         (add_candidate_1): Update all uses.  Remove redundant check on iv,
7636         base and step.
7637         (add_candidate, record_common_cand): Remove redundant assert.
7638         (add_iv_candidate_for_biv): Update use.
7639         (add_iv_candidate_derived_from_uses): Update all uses.
7640         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7641         (alloc_use_cost_map): Ditto.
7642         (set_use_iv_cost, get_use_iv_cost): Rename to ...
7643         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
7644         (determine_use_iv_cost_generic): Ditto.
7645         (determine_group_iv_cost_generic): Ditto.
7646         (determine_use_iv_cost_address): Ditto.
7647         (determine_group_iv_cost_address): Ditto.
7648         (determine_use_iv_cost_condition): Ditto.
7649         (determine_group_iv_cost_cond): Ditto.
7650         (determine_use_iv_cost): Ditto.
7651         (determine_group_iv_cost): Ditto.
7652         (set_autoinc_for_original_candidates): Update all uses.
7653         (find_iv_candidates): Update all uses.  Refactor dump information.
7654         (determine_use_iv_costs): Ditto.
7655         (determine_iv_costs): Ditto.
7656         (iv_ca_cand_for_use): Rename to ...
7657         (iv_ca_cand_for_group): ... here.  Update all uses.
7658         (iv_ca_add_use, iv_ca_add_group): Ditto.
7659         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7660         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7661         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7662         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7663         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7664         (create_new_iv, adjust_iv_update_pos): Ditto.
7665         (rewrite_use_address): Delete.
7666         (rewrite_use_address_1): Rename to ...
7667         (rewrite_use_address): ... here.
7668         (rewrite_use_compare): Update all uses.
7669         (rewrite_use): Delete.
7670         (rewrite_uses): Rename to ...
7671         (rewrite_groups): ... here.  Update all uses.
7672         (remove_unused_ivs, free_loop_data): Update all uses.
7673         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7674
7675 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7676
7677         * rtlanal.c (nonzero_bits1): Convert preprocessor check
7678         for WORD_REGISTER_OPERATIONS to runtime check.
7679
7680 2016-04-27  Richard Biener  <rguenther@suse.de>
7681
7682         PR ipa/70760
7683         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7684         aggregate_value_p to determine if a function result is
7685         returned by reference.
7686         (ipa_pta_execute): Functions having their address taken are
7687         not automatically nonlocal.
7688
7689 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7690
7691         PR sanitizer/70683
7692         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7693         * fold-const.c (operand_equal_p): If flag_checking and
7694         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7695         and if it returns non-zero, assert iterative_hash_expr on both
7696         args is the same.
7697
7698 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7699
7700         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7701
7702 2016-04-27  Nick Clifton  <nickc@redhat.com>
7703
7704         PR middle-end/49889
7705         * varasm.c (merge_weak): Generate an error if an attempt is made
7706         to convert a non-weak static function into a weak, public function.
7707
7708 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7709
7710         * params.def (MAX_PARTITION_SIZE): New param.
7711         * doc/invoke.texi: Document lto-max-partition.
7712
7713 2016-04-27  Richard Biener  <rguenther@suse.de>
7714
7715         PR ipa/70785
7716         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7717         function cummulating used_from_other_partition, externally_visible
7718         and force_output from aliases.
7719         (refered_from_nonlocal_var): Likewise.
7720         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7721         node flags properly.
7722
7723 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7724
7725         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7726         (-Wmemset-elt-size): New item.
7727
7728 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
7729
7730         PR ada/70759
7731         * stor-layout.h (internal_reference_types): Delete.
7732         * stor-layout.c (reference_types_internal): Likewise.
7733         (internal_reference_types): Likewise.
7734         (layout_type) <REFERENCE_TYPE>: Adjust.
7735
7736 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7737
7738         PR sanitizer/70683
7739         * tree.h (inchash::add_expr): Add FLAGS argument.
7740         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
7741         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
7742         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7743         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
7744         if swap_tree_comparison (code) is smaller than code, hash that
7745         and arguments in the other order.  Hash CONVERT_EXPR the same
7746         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7747         of ADDR_EXPR of decl as the decl itself.  Add or remove
7748         OEP_ADDRESS_OF from recursive flags as needed.  For
7749         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7750         operands commutatively and only the third one normally.
7751         For internal CALL_EXPR hash in CALL_EXPR_IFN.
7752
7753 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7754
7755         * config/rtems.h (LIB_SPEC): Add -latomic.
7756
7757 2016-04-27  Joel Sherrill  <joel@rtems.org>
7758
7759         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7760         xilink.ld and flags not relevant to RTEMS.
7761
7762 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
7763
7764         * toplev.c (backend_init_target): Avoid calling init_reload when using
7765         LRA.
7766
7767 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7768
7769         * reorg.c (try_merge_delay_insns): Declare i and j inside the
7770         for loops rather than one for the whole function.
7771
7772 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7773
7774         * match.pd (X + CST CMP X): New transformation.
7775
7776 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7777
7778         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7779         * fold-const.c (fold_binary_loc): Remove 2 transformations
7780         superseded by match.pd.
7781         * match.pd (x+x -> x*2): Generalize to integers.
7782
7783 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
7784
7785         * config/i386/i386.md (operation on memory peephole): Duplicate an
7786         existing peephole and adapt it to match lea rather than an operation
7787         that clobbers CC.
7788
7789         PR rtl-optimization/57193
7790         * opts.c (default_options_table): Add OPT_frename_registers at -O2
7791         and above.
7792         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7793
7794 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7795
7796         * tree-if-conv.c (any_pred_load_store): New static variable.
7797         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
7798         any_pred_load_store instead of and_mask_load_store.
7799         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7800         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7801         (combine_blocks, tree_if_conversion): Ditto.
7802
7803 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7804
7805         PR tree-optimization/70771
7806         PR tree-optimization/70775
7807         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7808         virtual PHI nodes.  Delete parameter.
7809         (if_convertible_loop_p_1): Delete argument to above function.
7810         (predicate_all_scalar_phis): Delete code handling single-argument
7811         PHIs.
7812         (tree_if_conversion): Mark and update virtual SSA.
7813
7814 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7815
7816         PR target/61821
7817         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7818         (x86_elf_aligned_common): Rename to ...
7819         (x86_elf_aligned_decl_common): ... this.
7820         Add decl arg.  Switch to .lbss for largecomm object.  Use
7821         LARGECOMM_SECTION_ASM_OP.
7822         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7823         renaming.
7824         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7825         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7826         Pass new decl arg.
7827         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7828         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7829
7830 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7831
7832         PR target/59407
7833         * config/i386/i386.c (SECTION_LARGE): Define.
7834         (x86_64_elf_select_section): Set it for large data/bss sections.
7835         Only clear SECTION_WRITE for .lrodata.
7836         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7837         data/bss sections.
7838         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7839         * varasm.c (default_elf_asm_named_section): Grow flagchars.
7840         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7841         SECTION_MACH_DEP.
7842         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7843         * doc/tm.texi: Regenerate.
7844
7845 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7846
7847         PR bootstrap/70704
7848         * configure.ac (--enable-checking): Document extra flag, for
7849         non-release builds default to --enable-checking=yes,extra.
7850         If misc checking and extra checking, define CHECKING_P to 2 instead
7851         of 1.
7852         * common.opt (fchecking=): Add.
7853         * doc/invoke.texi (-fchecking=): Document.
7854         * doc/install.texi: Document --enable-checking changes.
7855         * configure: Regenerated.
7856         * config.in: Regenerated.
7857
7858 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7859
7860         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7861         attribute instead of which_alternative.
7862         * config/i386/sse.md (*mov<mode>_internal): Ditto.
7863         Use EXT_REX_SSE_REG_P where appropriate.
7864
7865 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7866
7867         * config/i386/predicates.md (const0_operand): Do not match
7868         const_wide_int code.
7869         (const1_operand): Ditto.
7870
7871 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7872
7873         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7874         for SSE constm1 operands and TARGET_AVX512VL.
7875         (*movti_internal): Ditto.
7876         (*mov<mode>_or): Use constm1_operand predicate.
7877         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7878         for SSE vector_all_ones operands and TARGET_AVX512VL.
7879         * config/i386/predicates.md (constm1_operand): New predicate.
7880         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7881         emission of constant -1 load.
7882
7883 2016-04-25  Jason Merrill  <jason@redhat.com>
7884
7885         * gdbinit.in: Skip is-a.h.
7886
7887         * attribs.c (register_scoped_attributes): Fix logic.
7888         * attribs.h: Declare register_scoped_attributes.
7889
7890 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7891
7892         * config/rs6000/rs6000-builtin.def: Correct pasto error for
7893         stxvd2x and stxvw4x built-in functions.
7894
7895 2016-04-25  DJ Delorie  <dj@redhat.com>
7896
7897         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
7898         (ashrhi3): Likewise.
7899         (lshrhi3): Likewise.
7900
7901 2016-04-25  Richard Biener  <rguenther@suse.de>
7902
7903         PR tree-optimization/70780
7904         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
7905         wasn't visited yet.
7906         (compute_antic): Mark blocks with abnormal preds as visited as
7907         they have a final empty antic-in solution already.
7908
7909 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7910
7911         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
7912
7913 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7914
7915         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
7916         mode is VQI to improve mixed mode vectorization.
7917         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
7918         define_insn to match low half of signed vaddw.
7919         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
7920         define_insn to match high half of signed vaddw.
7921         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
7922         define_insn to match low half of unsigned vaddw.
7923         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
7924         define_insn to match high half of unsigned vaddw.
7925         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
7926         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7927         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
7928         for new function.
7929         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7930         * config/arm/predicates.md (vect_par_constant_high): Support
7931         big endian and simplify by calling
7932         arm_simd_check_vect_par_cnst_half
7933         (vect_par_constant_low): Likewise.
7934
7935 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7936
7937         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
7938         predicate for operand 2.
7939
7940 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
7941             H.J. Lu  <hongjiu.lu@intel.com>
7942
7943         * config/i386/i386-protos.h (standard_sse_constant_p): Add
7944         machine_mode argument.
7945         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
7946         constm1_rtx operands.  For VOIDmode constants, get mode from
7947         pred_mode.  Check mode size if the mode is supported by ABI.
7948         (standard_sse_constant_opcode): Do not use standard_constant_p.
7949         Strictly check ABI support for all-ones operands.
7950         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
7951         immediates. Update calls to standard_sse_constant_p.
7952         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
7953         (ix86_rtx_costs): Ditto.
7954         * config/i386/i386.md (*movxi_internal_avx512f): Use
7955         nonimmediate_or_sse_const_operand instead of vector_move_operand.
7956         Use (v,BC) alternative instead of (v,C). Use register_operand
7957         checks instead of MEM_P.
7958         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
7959         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
7960         isa attribute.  Use register_operand checks instead of MEM_P.
7961         (*movti_internal): Use nonimmediate_or_sse_const_operand for
7962         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
7963         alternative and corresponding sse2 isa attribute.
7964         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
7965         to standard_sse_constant_p.
7966         (FP constant splitters): Ditto.
7967         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
7968         (C): Ditto.
7969         * config/i386/predicates.md (constm1_operand): Remove.
7970         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
7971         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
7972         vector_all_ones_operand instead of constm1_operand.
7973
7974 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7975
7976         * print-rtl.c (print_rtx_insn_vec): New function.
7977         * print-rtl.h: New prototype.
7978         * store-motion.c (struct st_expr): Make avail_stores a vector.
7979         (st_expr_entry): Adjust.
7980         (free_st_expr_entry): Likewise.
7981         (print_store_motion_mems): Likewise.
7982         (find_moveable_store): Likewise.
7983         (compute_store_table): Likewise.
7984         (delete_store): Likewise.
7985         (build_store_vectors): Likewise.
7986
7987 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7988
7989         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
7990
7991 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7992
7993         * vec.h (vec_safe_contains): New function.
7994         (vec::contains): Likewise.
7995         (vec::begin): Likewise.
7996         (vec::end): Likewise.
7997
7998 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
7999
8000         PR sanitizer/70712
8001         * cfgexpand.c (expand_stack_vars): Fix typo.
8002
8003 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8004
8005         * system.h (list, map, set, vector): Include conditionally.
8006         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
8007         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
8008         * ipa-icf.c (INCLUDE_LIST): Define.
8009         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
8010         * config/sh/sh.c (INCLUDE_VECTOR): Define.
8011         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
8012         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
8013         * cp/logic.cc (INCLUDE_LIST): Define.
8014         * fortran/trans-common.c (INCLUDE_MAP): Define.
8015
8016 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
8017
8018         * auto-profile.c: Remove <string.h> include.
8019         * ipa-icf-gimple.c: Remove <list> include.
8020         * diagnostic.c: Remove <new> include.
8021         * genmatch.c: Likewise.
8022         * pretty-print.c: Likewise.
8023         * toplev.c: Likewise
8024         * c/c-objc-common.c: Likewise.
8025         * cp/error.c: Likewise.
8026         * fortran/error.c: Likewise.
8027
8028 2016-04-22  Richard Biener  <rguenther@suse.de>
8029
8030         * lto-streamer-in.c (input_ssa_names): Do not allocate
8031         GIMPLE_NOP for all SSA names.
8032         * lto-streamer-out.c (output_ssa_names): Do not output
8033         SSA names that should have been released.
8034
8035 2016-04-22  Richard Biener  <rguenther@suse.de>
8036
8037         PR tree-optimization/70740
8038         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
8039         VDEF.
8040
8041 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
8042
8043         PR target/70750
8044         * config/i386/predicates.md (call_insn_operand): Replace
8045         sibcall_memory_operand with memory_operand.
8046
8047 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
8048
8049         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
8050         has_single_use() tests.
8051         (register_edge_assert_for_1): Likewise.
8052         (find_assert_locations_1): Check the liveness bitmap instead of
8053         checking has_single_use().
8054
8055 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
8056
8057         PR target/70728
8058         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
8059         Extract AVX-512BW constraint from AVX.
8060
8061 2016-04-21  Richard Biener  <rguenther@suse.de>
8062
8063         PR tree-optimization/70725
8064         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
8065         for phi_convertible_by_degenerating_args.
8066         (predicate_all_scalar_phis): Handle single-argument PHIs.
8067
8068 2016-04-21  Richard Biener  <rguenther@suse.de>
8069
8070         PR middle-end/70747
8071         * fold-const.c (fold_comparison): Return properly typed
8072         constant boolean.
8073
8074 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
8075
8076         PR tree-optimization/70715
8077         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
8078         after expanding BASE using expand_simple_operations.
8079
8080 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8081
8082         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
8083         New transformations.
8084
8085 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
8086
8087         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
8088
8089 2016-04-20  Jan Hubicka  <jh@suse.cz>
8090
8091         * ipa-inline.c (can_inline_edge_p): Pass caller info to
8092         ultiimate_alias_target.
8093         (update_callee_keys): Likewise.
8094         (lookup_recursive_calls): Likewise.
8095         (speculation_useful_p): Likewise.
8096
8097 2016-04-20  Jan Hubicka  <jh@suse.cz>
8098
8099         PR ipa/70018
8100         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
8101         (set_nothrow_flag_1): ... this; handle interposition correctly;
8102         recurse on aliases and thunks.
8103         (cgraph_node::set_nothrow_flag): New.
8104         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8105         functions compiled with non-call exceptions that binds to current
8106         def.
8107         (propagate_nothrow): Be safe WRT interposition.
8108         * cgraph.h (set_nothrow_flag): Update prototype.
8109
8110 2016-04-18  Jan Hubicka  <jh@suse.cz>
8111
8112         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8113         max_loop_iterations_int.
8114         (tree_unswitch_outer_loop): Likewise.
8115
8116 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8117
8118         PR tree-optimization/69489
8119         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8120         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8121         Revise dump message.
8122         (if_convertible_bb_p): Remove check on edge count of basic block's
8123         predecessors.
8124
8125 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8126
8127         PR tree-optimization/56625
8128         PR tree-optimization/69489
8129         * tree-data-ref.h (DR_INNERMOST): New macro.
8130         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8131         hashing struct innermost_loop_behavior.
8132         (ref_DR_map): Remove.
8133         (innermost_DR_map): New map.
8134         (baseref_DR_map): Revise comment.
8135         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8136         to innermost_DR_map accroding to its innermost loop behavior.
8137         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8138         to its innermost loop behavior.
8139         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8140         Add initialization for innermost_DR_map.  Record memory reference
8141         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8142         have innermost loop behavior.
8143         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8144         innermost_DR_map.
8145
8146 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8147
8148         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8149         *lea_general_1.  Use explicit SWI12 mode interator.
8150         (*lea<mode>_general_2): Rename from *lea_general_2.
8151         Use explicit SWI12 mode interator.
8152         (*lea<mode>_general_3): Rename from *lea_general_3.
8153         Use explicit SWI12 mode interator.
8154         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8155         Use explicit SWI12 mode interator.
8156         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8157         Use explicit SWI48 mode interator.
8158
8159 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8160
8161         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8162         Short-cut unaligned load and store cases.  Handle all integer
8163         vector modes.
8164         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8165         and store cases.  Call ix86_avx256_split_vector_move_misalign
8166         directly without checking mode class.
8167
8168 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8169             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8170
8171         PR target/64971
8172         * config/aarch64/aarch64.md (sibcall): Force call
8173         address to be DImode for ILP32.
8174         (sibcall_value): Likewise.
8175
8176 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8177
8178         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8179
8180 2016-04-20  Richard Biener  <rguenther@suse.de>
8181
8182         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8183         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8184         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8185         (maybe_push_res_to_seq): Adjust.
8186         * gimple-fold.c (maybe_build_generic_op): Likewise.
8187
8188 2016-04-20  Marek Polacek  <polacek@redhat.com>
8189
8190         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8191         rather than true.
8192
8193 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8194
8195         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8196         use kmovw to support AVX512F target.
8197
8198 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8199
8200         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8201
8202 2016-04-20  Marek Polacek  <polacek@redhat.com>
8203
8204         PR tree-optimization/70725
8205         * tree-if-conv.c (is_false_predicate): New function.
8206         (predicate_mem_writes): Use it.
8207
8208 2016-04-20  Richard Biener  <rguenther@suse.de>
8209
8210         PR tree-optimization/70726
8211         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8212         shift amounts from a pattern stmt operand.
8213
8214 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8215
8216         PR target/70674
8217         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8218         stack_restore_from_fpr pattern when restoring r15.
8219         (s390_optimize_prologue): Strip away the memory barrier in the
8220         parallel when trying to get rid of restore insns.
8221         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8222         definition for loading the stack pointer from an FPR.  Compared to
8223         the normal move insn this pattern includes a full memory barrier.
8224
8225 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8226
8227         PR middle-end/70680
8228         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8229         implicitly linear or lastprivate iterator on the outer context.
8230
8231 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8232
8233         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8234         alignment check.
8235         * config/i386/i386.md (ssememalign): Removed.
8236         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8237
8238 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8239
8240         PR target/69201
8241         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8242         const short * to __builtin_ia32_loaddquhi512_mask.
8243         (_mm512_maskz_loadu_epi16): Likewise.
8244         (_mm512_mask_storeu_epi16): Pass short * to
8245         __builtin_ia32_storedquhi512_mask.
8246         (_mm512_mask_loadu_epi8): Pass const char * to
8247         __builtin_ia32_loaddquqi512_mask.
8248         (_mm512_maskz_loadu_epi8): Likewise.
8249         (_mm512_mask_storeu_epi8): Pass char * to
8250         __builtin_ia32_storedquqi512_mask.
8251         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8252         const double * to __builtin_ia32_loadupd512_mask.
8253         (_mm512_mask_loadu_pd): Likewise.
8254         (_mm512_maskz_loadu_pd): Likewise.
8255         (_mm512_storeu_pd): Pass double * to
8256         __builtin_ia32_storeupd512_mask.
8257         (_mm512_mask_storeu_pd): Likewise.
8258         (_mm512_loadu_ps): Pass const float * to
8259         __builtin_ia32_loadups512_mask.
8260         (_mm512_mask_loadu_ps): Likewise.
8261         (_mm512_maskz_loadu_ps): Likewise.
8262         (_mm512_storeu_ps): Pass float * to
8263         __builtin_ia32_storeups512_mask.
8264         (_mm512_mask_storeu_ps): Likewise.
8265         (_mm512_mask_loadu_epi64): Pass const long long * to
8266         __builtin_ia32_loaddqudi512_mask.
8267         (_mm512_maskz_loadu_epi64): Likewise.
8268         (_mm512_mask_storeu_epi64): Pass long long *
8269         to __builtin_ia32_storedqudi512_mask.
8270         (_mm512_loadu_si512): Pass const int * to
8271         __builtin_ia32_loaddqusi512_mask.
8272         (_mm512_mask_loadu_epi32): Likewise.
8273         (_mm512_maskz_loadu_epi32): Likewise.
8274         (_mm512_storeu_si512): Pass int * to
8275         __builtin_ia32_storedqusi512_mask.
8276         (_mm512_mask_storeu_epi32): Likewise.
8277         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8278         char * to __builtin_ia32_storedquqi256_mask.
8279         (_mm_mask_storeu_epi8): Likewise.
8280         (_mm256_mask_loadu_epi16): Pass const short * to
8281         __builtin_ia32_loaddquhi256_mask.
8282         (_mm256_maskz_loadu_epi16): Likewise.
8283         (_mm_mask_loadu_epi16): Pass const short * to
8284         __builtin_ia32_loaddquhi128_mask.
8285         (_mm_maskz_loadu_epi16): Likewise.
8286         (_mm256_mask_loadu_epi8): Pass const char * to
8287         __builtin_ia32_loaddquqi256_mask.
8288         (_mm256_maskz_loadu_epi8): Likewise.
8289         (_mm_mask_loadu_epi8): Pass const char * to
8290         __builtin_ia32_loaddquqi128_mask.
8291         (_mm_maskz_loadu_epi8): Likewise.
8292         (_mm256_mask_storeu_epi16): Pass short * to.
8293         __builtin_ia32_storedquhi256_mask.
8294         (_mm_mask_storeu_epi16): Pass short * to.
8295         __builtin_ia32_storedquhi128_mask.
8296         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8297         const double * to __builtin_ia32_loadupd256_mask.
8298         (_mm256_maskz_loadu_pd): Likewise.
8299         (_mm_mask_loadu_pd): Pass onst double * to
8300         __builtin_ia32_loadupd128_mask.
8301         (_mm_maskz_loadu_pd): Likewise.
8302         (_mm256_mask_storeu_pd): Pass double * to
8303         __builtin_ia32_storeupd256_mask.
8304         (_mm_mask_storeu_pd): Pass double * to
8305         __builtin_ia32_storeupd128_mask.
8306         (_mm256_mask_loadu_ps): Pass const float * to
8307         __builtin_ia32_loadups256_mask.
8308         (_mm256_maskz_loadu_ps): Likewise.
8309         (_mm_mask_loadu_ps): Pass const float * to
8310         __builtin_ia32_loadups128_mask.
8311         (_mm_maskz_loadu_ps): Likewise.
8312         (_mm256_mask_storeu_ps): Pass float * to
8313         __builtin_ia32_storeups256_mask.
8314         (_mm_mask_storeu_ps): ass float * to
8315         __builtin_ia32_storeups128_mask.
8316         (_mm256_mask_loadu_epi64): Pass const long long * to
8317         __builtin_ia32_loaddqudi256_mask.
8318         (_mm256_maskz_loadu_epi64): Likewise.
8319         (_mm_mask_loadu_epi64): Pass const long long * to
8320         __builtin_ia32_loaddqudi128_mask.
8321         (_mm_maskz_loadu_epi64): Likewise.
8322         (_mm256_mask_storeu_epi64): Pass long long * to
8323         __builtin_ia32_storedqudi256_mask.
8324         (_mm_mask_storeu_epi64): Pass long long * to
8325         __builtin_ia32_storedqudi128_mask.
8326         (_mm256_mask_loadu_epi32): Pass const int * to
8327         __builtin_ia32_loaddqusi256_mask.
8328         (_mm256_maskz_loadu_epi32): Likewise.
8329         (_mm_mask_loadu_epi32): Pass const int * to
8330         __builtin_ia32_loaddqusi128_mask.
8331         (_mm_maskz_loadu_epi32): Likewise.
8332         (_mm256_mask_storeu_epi32): Pass int * to
8333         __builtin_ia32_storedqusi256_mask.
8334         (_mm_mask_storeu_epi32): Pass int * to
8335         __builtin_ia32_storedqusi128_mask.
8336         * config/i386/i386-builtin-types.def (PCSHORT): New.
8337         (PINT64): Likewise.
8338         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8339         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8340         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8341         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8342         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8343         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8344         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8345         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8346         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8347         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8348         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8349         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8350         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8351         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8352         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8353         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8354         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8355         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8356         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8357         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8358         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8359         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8360         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8361         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8362         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8363         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8364         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8365         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8366         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8367         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8368         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8369         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8370         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8371         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8372         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8373         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8374         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8375         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8376         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8377         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8378         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8379         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8380         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8381         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8382         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8383         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8384         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8385         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8386         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8387         use UNSPEC_STOREU.
8388         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8389         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8390         load nor store.
8391         (ix86_expand_vector_move_misalign): Likewise.
8392         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8393         to scalar function prototype for unaligned load/store builtins.
8394         (ix86_expand_special_args_builtin): Updated.
8395         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8396         (UNSPEC_STOREU): Likewise.
8397         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8398         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8399         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8400         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8401         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8402         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8403         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8404         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8405         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8406         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8407         (<avx512>_storedqu<mode>_mask): Likewise.
8408         (*sse4_2_pcmpestr_unaligned): Likewise.
8409         (*sse4_2_pcmpistr_unaligned): Likewise.
8410         (*mov<mode>_internal): Renamed to ...
8411         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8412         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8413         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8414         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8415
8416 2016-04-19  Richard Biener  <rguenther@suse.de>
8417
8418         PR tree-optimization/70171
8419         * tree-ssa-phiprop.c: Include stor-layout.h.
8420         (phiprop_insert_phi): Handle the aggregate copy case.
8421         (propagate_with_phi): Likewise.
8422
8423 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8424
8425         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8426         instead of simplify_gen_subreg (... , 0).
8427         (ix86_delegitimize_address): Ditto.
8428         (ix86_split_divmod): Ditto.
8429         (ix86_split_copysign_const): Ditto.
8430         (ix86_split_copysign_var): Ditto.
8431         (ix86_expand_args_builtin): Ditto.
8432         (ix86_expand_round_builtin): Ditto.
8433         (ix86_expand_special_args_builtin): Ditto.
8434         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8435         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8436         (udivmodqi4): Ditto.
8437         (absneg splitters): Ditto.
8438         (*jcc_bt<mode>_1): Ditto.
8439
8440 2016-04-19  Richard Biener  <rguenther@suse.de>
8441
8442         PR tree-optimization/70724
8443         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8444         restoring out from ...
8445         (free_scc_vn): ... here.
8446         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8447         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8448         tail merging.
8449         (pass_fre::execute): Restore SSA info.
8450
8451 2016-04-19  Richard Biener  <rguenther@suse.de>
8452
8453         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8454         * gimple-walk.c (walk_gimple_op): Initialize it.
8455         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8456         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8457         remapping SSA names of defs.
8458         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8459         adjustment.
8460
8461 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8462
8463         PR middle-end/70689
8464         * lra-constraints.c (equiv_substition_p): New.
8465         (process_alt_operands): Use it.
8466         (swap_operands): Swap it.
8467         (curr_insn_transform): Update it.
8468
8469 2016-04-18  Michael Matz  <matz@suse.de>
8470
8471         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8472         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8473         * tree-core.h (tree_type_common.align): Use bit-field.
8474         (tree_type_common.spare): New.
8475         (tree_decl_common.off_align): Make smaller.
8476         (tree_decl_common.align): Use bit-field.
8477
8478         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8479         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8480         (scan_sharing_clauses): Ditto.
8481         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8482         (omp_finish_file): Ditto.
8483         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8484         (layout_decl): Ditto.
8485         (relayout_decl): Ditto.
8486         (finalize_record_size): Use SET_TYPE_ALIGN.
8487         (finalize_type_size): Ditto.
8488         (finish_builtin_struct): Ditto.
8489         (layout_type): Ditto.
8490         (initialize_sizetypes): Ditto.
8491         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8492         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8493         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8494         (get_chain_field): Ditto.
8495         (get_trampoline_type): Ditto.
8496         (get_nl_goto_field): Ditto.
8497         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8498         SET_DECL_ALIGN.
8499         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8500         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8501         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8502         (build_qualified_type): Use SET_TYPE_ALIGN.
8503         (build_aligned_type, build_range_type_1): Ditto.
8504         (build_atomic_base): Ditto.
8505         (build_common_tree_nodes): Ditto.
8506         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8507         (expand_one_stack_var_at): Ditto.
8508         * coverage.c (build_var): Use SET_DECL_ALIGN.
8509         * except.c (init_eh): Ditto.
8510         * function.c (assign_parm_setup_block): Ditto.
8511         * symtab.c (increase_alignment_1): Ditto.
8512         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8513         * tree-vect-stmts.c (ensure_base_align): Ditto.
8514         * varasm.c (align_variable): Ditto.
8515         (assemble_variable): Ditto.
8516         (build_constant_desc): Ditto.
8517         (output_constant_def_contents): Ditto.
8518
8519         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8520         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8521         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8522         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8523         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8524
8525 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8526
8527         PR target/70708
8528         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8529         replace %vmovsd with "%vmovq".
8530         (vec_concatv2df): Likewise.
8531
8532 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8533
8534         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8535         (*vec_extractv2si_0): Ditto.
8536         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8537         (zero_extended_scalar_load_operand splitters): Ditto.
8538         (vec_extract splitters): Ditto.
8539         (*vec_extractv4si_0_zext): Ditto.
8540         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8541         and lowpart_subreg.
8542         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8543         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8544         (*sse4_1_extractps): Use lowpart_subreg.
8545         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8546
8547 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8548
8549         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8550         gld requirements.
8551         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8552         Mention Solaris 11 packaging changes.
8553         Update gas and gld requirements.
8554         Remove reference to pre-Solaris 10 bug.
8555         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8556         systems and bugs.
8557         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8558         with cc.
8559
8560 2016-04-17  Jan Hubicka  <jh@suse.cz>
8561
8562         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8563         max_loop_iterations_int.
8564
8565 2016-04-18  Richard Biener  <rguenther@suse.de>
8566
8567         PR tree-optimization/43434
8568         * tree-ssa-structalias.c (struct vls_data): New.
8569         (visit_loadstore): Handle all pointer-based accesses.
8570         (compute_dependence_clique): Compute a bitmap of restrict tags
8571         assigned bases and pass it to visit_loadstore.
8572
8573 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
8574
8575         PR target/70711
8576         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8577         armv8.1-a and armv8.1-a+crc.
8578
8579 2016-04-18  Richard Biener  <rguenther@suse.de>
8580
8581         PR tree-optimization/70701
8582         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8583         references after translating through a memcpy.
8584
8585 2016-04-18  Richard Biener  <rguenther@suse.de>
8586
8587         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8588         (compute_antic): ... here.  For partial antic use regular
8589         postorder and scrap iteration.
8590         (compute_partial_antic_aux): Remove unused return value.
8591         (init_pre): Do not allocate postorder.
8592         (fini_pre): Do not free postorder.
8593
8594 2016-04-18  Richard Biener  <rguenther@suse.de>
8595
8596         PR middle-end/37870
8597         * expmed.c (extract_bit_field_1): Remove broken case
8598         using a wider MODE_INT mode.
8599
8600 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
8601
8602         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8603         unless compiling with at least GCC-4.8.
8604
8605 2016-04-17  Jan Hubicka  <jh@suse.cz>
8606
8607         PR bootstrap/70706
8608         * graphite.c (graphite_finalize): Update call to
8609         tree_estimate_probability.
8610         * predict.h (tree_estimate_probability): Update prototype.
8611
8612 2016-04-17  Jan Hubicka  <jh@suse.cz>
8613
8614         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8615         (tree_estimate_probability): Likewise.
8616         (pass_profile::execute): Update.
8617         (report_predictor_hitrates): New function.
8618         * profile.c (compute_branch_probabilities): Use it.
8619         * predict.h (report_predictor_hitrates): Declare.
8620
8621 2016-04-17  Jan Hubicka  <jh@suse.cz>
8622
8623         PR ipa/70018
8624         * cgraph.h (cgraph_node::set_const_flag,
8625         cgraph_node::set_pure_flag): Update prototype to return bool;
8626         update comment.
8627         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8628         of interposable symbol are interposable, too.
8629         (cgraph_set_const_flag_1): Rename to ...
8630         (set_const_flag_1): ... this one; change to self recursive function
8631         instead of call_for_symbol_thunks_and_aliases. Handle correctly
8632         clearnig the flag in all variants and also virtual thunks of const
8633         functions are pure; track if any change was done.
8634         (cgraph_node::set_const_flag): Update.
8635         (struct set_pure_flag_info): New struct.
8636         (cgraph_set_pure_flag_1): Rename to ...
8637         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8638         rather than pointer encoded flags; track if any changes was done;
8639         handle correctly clearning flag and setting flag of aliases already
8640         declared const.
8641         (cgraph_node::set_pure_flag): Update.
8642         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8643
8644 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8645
8646         PR other/70433
8647         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8648         backslash in label.
8649
8650 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8651
8652         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8653         '{}<> ' as escape-for-record.
8654
8655 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8656
8657         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8658         structure.
8659
8660 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8661
8662         PR other/70185
8663         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8664         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8665         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8666         * passes.c (finish_optimization_passes): Only call
8667         finish_graph_dump_file if dfi->graph_dump_initialized.
8668         (execute_function_dump, pass_init_dump_file): Use
8669         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8670
8671 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8672
8673         PR tree-optimization/70256
8674         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8675         (debug_varmap): New function.
8676
8677 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8678
8679         PR other/70183
8680         * passes.c (pass_manager::register_pass): Propagate pflags.
8681
8682 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8683
8684         PR other/68875
8685         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8686         * passes.c (pass_manager::pass_manager): Declare and init p_start in
8687         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
8688         check if it's equal to p_start.
8689         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8690
8691 2016-04-15  Jan Hubicka  <jh@suse.cz>
8692
8693         PR ipa/70018
8694         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8695         function does not bind to current def.
8696         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8697         handle conservatively calls to functions that does not need to bind
8698         to current def.
8699         (check_call): Update call of worse_state.
8700         (ignore_edge_for_nothrow): Update.
8701         (ignore_edge_for_pure_const): Likewise.
8702         (propagate_pure_const): Update calls to worse_state.
8703         (skip_function_for_local_pure_const): Reformat comments.
8704
8705 2016-04-15  Jan Hubicka  <jh@suse.cz>
8706
8707         PR ipa/70018
8708         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8709         (cgraph_node::function_symbol): Likewise.
8710         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8711         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8712         (symtab_node::ultimate_alias_target): Add REF parameter.
8713         (symtab_node::binds_to_current_def_p): Declare.
8714         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8715         (cgraph_node::function_symbol): Likewise.
8716         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8717         (cgraph_node::get_availability): Likewise.
8718         (cgraph_edge::binds_to_current_def_p): New inline function.
8719         (varpool_node::get_availability): Add REF parameter.
8720         (varpool_node::ultimate_alias_target): Likewise.
8721         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8722         (symtab_node::binds_to_current_def_p): Likewise.
8723         * varpool.c (varpool_node::get_availability): Likewise.
8724
8725 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8726
8727         PR target/70662
8728         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8729         Fix mode size check.
8730
8731 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8732
8733         * BASE-VER: Set to 7.0.0.
8734
8735 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
8736
8737         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8738
8739 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8740
8741         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8742         architecture revisions.
8743
8744 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
8745
8746         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8747         * config/i386/i386.c (ix86_using_red_zone): No longer static.
8748         * config/i386/i386.md (stack decrement to push peepholes): Guard
8749         with !x86_using_red_zone ().
8750
8751 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8752
8753         PR c++/70675
8754         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8755         to dump_generic_node.
8756         (NIY): Pass also flags to do_niy.
8757
8758 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
8759
8760         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8761         (simd_clone_vector_of_formal_parm_types)
8762         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8763         (simd_clone_mangle, simd_clone_create)
8764         (simd_clone_adjust_return_type, create_tmp_simd_array)
8765         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8766         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8767         (ipa_simd_modify_function_body, simd_clone_linear_addend)
8768         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8769         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8770         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8771         * omp-simd-clone.c: ... this new file.
8772         (simd_clone_vector_of_formal_parm_types): Make it static.
8773         * Makefile.in (OBJS): Add omp-simd-clone.o.
8774
8775 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8776
8777         PR target/70662
8778         * config/i386/sse.md: Use proper memory operand modifiers.
8779
8780
8781 2016-04-15  Richard Biener  <rguenther@suse.de>
8782         Alan Modra  <amodra@gmail.com>
8783
8784         PR tree-optimization/70130
8785         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8786         when alignment stays not the same and no not use the realign
8787         scheme then.
8788
8789 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8790
8791         PR target/70669
8792         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8793         direct move handlers for KFmode. Change TFmode handlers test from
8794         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8795
8796 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
8797
8798         PR c++/70594
8799         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8800         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8801         (inlined_polymorphic_ctor_dtor_block_p): Use it.
8802         * tree-ssa-live.c (remove_unused_scope_block_p): When
8803         in_ctor_dtor_block, avoid discarding not just BLOCKs with
8804         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8805         block_ultimate_origin is FUNCTION_DECL.
8806         (remove_unused_locals): If current_function_decl is
8807         polymorphic_ctor_dtor_p, pass initial true to
8808         remove_unused_scope_block_p' is_ctor_dtor_block.
8809
8810 2016-04-14  Martin Sebor  <msebor@redhat.com>
8811
8812         PR c++/69517
8813         PR c++/70019
8814         PR c++/70588
8815         * doc/extend.texi (Variable Length): Revert.
8816
8817 2016-04-14  Marek Polacek  <polacek@redhat.com>
8818             Jan Hubicka  <hubicka@ucw.cz>
8819
8820         PR c++/70029
8821         * tree.c (verify_type): Disable the canonical type of main variant
8822         check.
8823
8824 2016-04-14  Jason Merrill  <jason@redhat.com>
8825
8826         * cfgexpand.c, expr.c: Revert previous change.
8827
8828 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
8829
8830         PR middle-end/70643
8831         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8832         when building a mem ref for the incoming reduction variable.
8833
8834 2016-04-14  Richard Biener  <rguenther@suse.de>
8835
8836         PR tree-optimization/70614
8837         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8838         loop if the evolution dropped to chrec_dont_know.
8839         (interpret_condition_phi): Likewise.
8840
8841 2016-04-14  Richard Biener  <rguenther@suse.de>
8842
8843         PR tree-optimization/70623
8844         * tree-ssa-pre.c (changed_blocks): Make global ...
8845         (compute_antic): ... local here.  Move and fix worklist
8846         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8847         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
8848         worklist handling, dump when ANTIC_IN changed.
8849         (compute_partial_antic_aux): Remove worklist handling.
8850         (init_pre): Do not compute post dominators.  Add a comment about
8851         the CFG order chosen.
8852         (fini_pre): Do not free post dominators.
8853
8854 2016-04-13  Martin Sebor  <msebor@redhat.com>
8855
8856         PR c++/69517
8857         PR c++/70019
8858         PR c++/70588
8859         * doc/extend.texi (Variable Length): Document C++ specifics.
8860
8861 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8862
8863         PR c++/70641
8864         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8865         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
8866         eh edges have been purged.
8867
8868         PR c++/70594
8869         * tree-sra.c (create_access_replacement,
8870         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8871         gets fancy name.
8872         * tree-pretty-print.c (dump_fancy_name): New function.
8873         (dump_decl_name, dump_generic_node): Use it.
8874
8875 2016-04-13  Jason Merrill  <jason@redhat.com>
8876
8877         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8878         * expr.c (expand_expr_real_1): Likewise.
8879
8880 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
8881
8882         * config/i386/i386.md (kunpckhi): Swap operands.
8883         (kunpcksi): Likewise.
8884         (kunpckdi): Likewise.
8885         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8886         (vec_pack_trunc_<mode>): Likewise.
8887
8888 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8889
8890         PR debug/70628
8891         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8892
8893         PR middle-end/70633
8894         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8895         gimplification turns some element into non-constant.
8896
8897         PR debug/70628
8898         * rtl.h (convert_memory_address_addr_space_1): New prototype.
8899         * explow.c (convert_memory_address_addr_space_1): No longer static,
8900         add NO_EMIT argument and don't call convert_modes if true, pass
8901         it down recursively, remove break after return.
8902         (convert_memory_address_addr_space): Adjust caller.
8903         * simplify-rtx.c (simplify_unary_operation_1): Call
8904         convert_memory_address_addr_space_1 instead of convert_memory_address,
8905         if it returns NULL, don't simplify.
8906
8907 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
8908
8909         PR target/70630
8910         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
8911
8912 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8913
8914         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8915         Bump the upper SIMDLEN limits, so that if the return type or
8916         characteristic type if the return type is void can be passed in
8917         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
8918         allowed.
8919
8920 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8921
8922         PR target/70640
8923         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
8924         Do not use "=" constraint on an input constraint.
8925         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
8926         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
8927         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
8928         generates (neg (abs ...)) instead of (abs ...).
8929
8930 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8931
8932         PR rtl-optimization/70596
8933         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
8934         just invalidate LRA data and reset them.  Adjust dump wording.
8935
8936 2016-04-12  Martin Liska  <mliska@suse.cz>
8937
8938         Revert
8939         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
8940
8941         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
8942         estimates here.
8943         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8944         max_loop_iterations_int.
8945         (tree_unswitch_outer_loop): Likewise.
8946         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8947         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
8948
8949 2016-04-12  Tom de Vries  <tom@codesourcery.com>
8950
8951         PR tree-optimization/68756
8952         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
8953         instead of new_name.
8954
8955 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8956
8957         PR tree-optimization/70602
8958         * tree-sra.c (generate_subtree_copies): Don't write anything into
8959         constant pool decls.
8960
8961         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
8962         regardless whether there are depend clauses or not.
8963
8964 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
8965
8966         PR target/70381
8967         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
8968         target attribute and pragma from changing the -mfloat128
8969         and -mfloat128-hardware options.
8970
8971         * doc/extend.texi (Additional Floating Types): Document PowerPC
8972         __float128 restrictions.
8973
8974 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8975
8976         PR target/70133
8977         * config/aarch64/driver-aarch64.c
8978         (aarch64_get_extension_string_for_isa_flags): New.
8979         (arch_extension): Rename to...
8980         (aarch64_arch_extension): ...This.
8981         (ext_to_feat_string): Rename to...
8982         (aarch64_extensions): ...This.
8983         (aarch64_core_data): Keep track of architecture extension flags.
8984         (cpu_data): Rename to...
8985         (aarch64_cpu_data): ...This.
8986         (aarch64_arch_driver_info): Keep track of architecture extension
8987         flags.
8988         (get_arch_name_from_id): Rename to...
8989         (get_arch_from_id): ...This, change return type.
8990         (host_detect_local_cpu): Update and reformat for renames, handle
8991         extensions through common infrastructure.
8992
8993 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8994
8995         PR target/70133
8996         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
8997         track of a canonical flag name.
8998         (all_extensions): Likewise.
8999         (arch_to_arch_name): Also track extension flags enabled by the arch.
9000         (all_architectures): Likewise.
9001         (aarch64_parse_extension): Move to here.
9002         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
9003         rework.
9004         (aarch64_rewrite_selected_cpu): Update for above change.
9005         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
9006         are handled, such that the single explicit value enabled by an
9007         extension is kept seperate from the implicit values it also enables.
9008         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
9009         to here.
9010         (aarch64_parse_extension): New.
9011         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
9012         here to config/aarch64/aarch64-protos.h.
9013         (aarch64_parse_extension): Move from here to
9014         common/config/aarch64/aarch64-common.c.
9015         (aarch64_option_print): Update.
9016         (aarch64_declare_function_name): Likewise.
9017         (aarch64_start_file): Likewise.
9018         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
9019         the canonical flag for extensions.
9020         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
9021         flags.
9022
9023 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
9024
9025         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
9026         AARCH64_FL_CRC.
9027
9028 2016-04-09  Tom de Vries  <tom@codesourcery.com>
9029
9030         PR tree-optimization/68953
9031         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
9032         first to last subscript.
9033
9034 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
9035
9036         PR tree-optimization/70586
9037         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
9038         for any calls.
9039
9040 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
9041
9042         PR lto/70289
9043         PR ipa/70348
9044         PR tree-optimization/70373
9045         PR middle-end/70533
9046         PR middle-end/70534
9047         PR middle-end/70535
9048         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
9049         clauses for acc parallel reductions as necessary.  Error on those
9050         that are private.
9051         * omp-low.c (scan_sharing_clauses): Don't install variables which
9052         are used in acc parallel reductions.
9053         (lower_rec_input_clauses): Remove dead code.
9054         (lower_oacc_reductions): Add support for reference reductions.
9055         (lower_reduction_clauses): Remove dead code.
9056         (lower_omp_target): Don't remap variables appearing in acc parallel
9057         reductions.
9058         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
9059
9060 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
9061
9062         PR middle-end/70593
9063         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
9064         with multiple SSA_NAME defs, force the outputs other than first
9065         to be live before calling live_track_process_def on each output.
9066
9067         PR rtl-optimization/70574
9068         * fwprop.c (forward_propagate_and_simplify): Don't add
9069         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
9070         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
9071         paradoxical subregs within *loc.
9072
9073 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
9074
9075         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
9076         -ftree-parallelize-loops={0,1}.
9077         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
9078         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
9079         * config/ia64/hpux.h (LIB_SPEC): Likewise.
9080         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
9081         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
9082
9083 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
9084
9085         PR sanitizer/70541
9086         * asan.c (instrument_derefs): If we get unknown location, extract it
9087         with EXPR_LOCATION.
9088         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
9089
9090 2016-04-08  Tom de Vries  <tom@codesourcery.com>
9091
9092         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
9093         implicit firstprivate clause.
9094
9095 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9096
9097         PR target/70566
9098         * config/arm/thumb2.md (tst + branch-> lsls + branch
9099         peephole below *orsi_not_shiftsi_si): Require that condition
9100         register is dead after the peephole.
9101         (second peephole after the above): Likewise.
9102
9103 2016-04-08  Alan Modra  <amodra@gmail.com>
9104
9105         PR target/70117
9106         * builtins.c (fold_builtin_classify): For IBM extended precision,
9107         look at just the high-order double to test for NaN.
9108         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9109         test just the high double for Inf but both doubles for subnormal
9110         limit.
9111
9112 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9113
9114         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9115         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9116         node->simdclone->mask_mode != VOIDmode masks.
9117         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9118         earlier, use it instead of node->simdclone.
9119         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9120         Set clonei->mask_mode.
9121
9122 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9123
9124         PR c/70436
9125         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9126         Pass it through to cp_parser_already_scoped_statement.
9127         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9128         it through to cp_parser_statement.
9129         (cp_parser_statement): Pass IF_P through to
9130         cp_parser_iteration_statement.
9131         (cp_parser_pragma): Adjust call to
9132         cp_parser_iteration_statement.
9133
9134 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9135
9136         PR c/70436
9137         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9138         resolve a future -Wparentheses warning.
9139         * omp-low.c (scan_sharing_clauses): Likewise.
9140         * tree-parloops.c (eliminate_local_variables): Likewise.
9141
9142 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9143
9144         PR rtl-optimization/70398
9145         * lra-constraints.c (process_address_1): Check zero scale and code
9146         for reloading with zero scale.
9147
9148 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9149
9150         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9151         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9152
9153 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9154
9155         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9156         Add support for AVX512F clones, include them by default for
9157         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9158         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9159         up to 128.
9160
9161         PR middle-end/70550
9162         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9163         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9164         firstprivate clauses.
9165         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9166         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9167         (lower_omp_target): Set TREE_NO_WARNING for
9168         non-addressable possibly uninitialized vars which are copied into
9169         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9170
9171 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9172
9173         * config/pa/predicates.md (integer_store_memory_operand): Accept
9174         REG+D operands with a large offset when reload_in_progress is true.
9175         (floating_point_store_memory_operand): Likewise.
9176
9177 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9178
9179         PR c++/70336
9180         * match.pd (nested int casts): Limit to GIMPLE.
9181
9182 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9183
9184         PR ipa/66223
9185         * ipa-devirt.c (maybe_record_node): Fix comment; use
9186         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9187
9188 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9189
9190         PR rtl-optimization/70542
9191         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9192         if there are any uses other than insn or debug insns.
9193
9194 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9195             Jakub Jelinek  <jakub@redhat.com>
9196
9197         PR tree-optimization/70509
9198         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9199         Shift HOST_WIDE_INT_1U instead of 1.
9200
9201 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9202
9203         PR tree-optimization/70509
9204         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9205         of the vector base type for index.
9206
9207 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9208
9209         PR target/70510
9210         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9211
9212 2016-04-05  Richard Biener  <rguenther@suse.de>
9213
9214         PR tree-optimization/70526
9215         * tree-sra.c (build_ref_for_offset): Use prev_base to
9216         extract the alias pointer type.
9217
9218 2016-04-05  Richard Biener  <rguenther@suse.de>
9219
9220         * dse.c (struct store_info): Remove alias_set member.
9221         (struct read_info_type): Likewise.
9222         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9223         spill_deleted, clear_alias_set_lookup): Remove.
9224         (get_group_info): Remove dead base == NULL_RTX case.
9225         (dse_step0): Remove initialization of removed variables.
9226         (delete_dead_store_insn): Reomve alias set dumping.
9227         (free_read_records): Remove alias_set handling.
9228         (canon_address): Remove alias_set_out parameter.
9229         (record_store): Remove spill_alias_set, it's always zero.
9230         (check_mem_read_rtx): Likewise.
9231         (dse_step2): Rename from ...
9232         (dse_step2_nospill): ... this.  Adjust.
9233         (scan_stores): Rename from ...
9234         (scan_stores_nospill): ... this.
9235         (scan_reads): Rename from ...
9236         (scan_reads_nospill): ... this.
9237         (scan_stores_spill, scan_reads_spill): Remove.
9238         (dse_step3_scan): Remove for_spills argument which is always false.
9239         (dse_step3): Likewise.
9240         (dse_step5): Rename from ...
9241         (dse_step5_nospill): ... this.  Remove alias_set handling.
9242         (rest_of_handle_dse): Adjust.
9243
9244 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9245
9246         PR target/70525
9247         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9248         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9249         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9250         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9251
9252 2016-04-05  Richard Biener  <rguenther@suse.de>
9253
9254         PR middle-end/70499
9255         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9256         non-register type temporaries into SSA.
9257
9258 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9259
9260         PR ipa/66223
9261         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9262         calls when sanitizing.
9263         (possible_polymorphic_call_target_p): Fix formatting.
9264
9265 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9266             Jakub Jelinek <jakub@redhat.com>
9267
9268         PR middle-end/70457
9269         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9270         to ensure a call statement is compatible with a built-in's
9271         prototype.
9272         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9273         Likewise.
9274
9275 2016-04-04  Richard Biener  <rguenther@suse.de>
9276
9277         PR rtl-optimization/70484
9278         * rtl.h (canon_output_dependence): Declare.
9279         * alias.c (canon_output_dependence): New function.
9280         * dse.c (record_store): Use canon_output_dependence rather
9281         than canon_true_dependence.
9282
9283 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9284
9285         PR ipa/68881
9286         * cgraph.h (symtab_node::copy_visibility_from): New function.
9287         * symtab.c (symtab_node::copy_visibility_from): New function.
9288         * ipa-visibility.c (optimize_weakref): New function.
9289         (function_and_variable_visibility): Use it.
9290
9291 2016-04-04  Martin Liska  <mliska@suse.cz>
9292
9293         PR hsa/70402
9294         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9295         value that is really in range handled by SBR instruction.
9296         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9297         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9298         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9299
9300 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9301
9302         PR target/70416
9303         PR target/67391
9304         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9305         set, but not for SP_REG operands.
9306
9307 2016-04-02  Martin Sebor  <msebor@redhat.com>
9308
9309         PR c++/67376
9310         * fold-const.c (maybe_nonzero_address): New function.
9311         (fold_comparison): Call it.  Fold equality and relational
9312         expressions involving null pointers.
9313         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9314
9315 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9316
9317         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9318         the "Y" constraint (scalar FP 0.0 immediate).
9319
9320         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9321         Add the "const_double" to the list of operand constraints.
9322
9323 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9324
9325         PR rtl-optimization/70467
9326         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9327         If low word of the last operand is 0, just emit addition/subtraction
9328         for the high word.
9329
9330 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9331
9332         PR target/70404
9333         * config/s390/s390.c (s390_expand_insv): Check for everything
9334         constant instead of just VOIDmode stuff.
9335
9336 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9337
9338         PR target/70496
9339         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9340
9341 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9342
9343         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9344
9345 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9346
9347         PR rtl-optimization/70461
9348         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9349         is necessary.
9350
9351 2016-03-31  Martin Liska  <mliska@suse.cz>
9352
9353         PR hsa/70399
9354         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9355         a tree value or an immediate integer value to a buffer
9356         that is eventually copied to a BRIG section.
9357         (emit_immediate_operand): Call the function here.
9358         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9359         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9360         of class' fields that are removed.
9361         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9362         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9363         m_brig_repr_size fields.
9364
9365 2016-03-31  Martin Liska  <mliska@suse.cz>
9366
9367         PR hsa/70391
9368         * hsa-gen.c (hsa_function_representation::update_dominance): New
9369         function.
9370         (convert_addr_to_flat_segment): Likewise.
9371         (gen_hsa_memory_set): New alignment argument.
9372         (gen_hsa_ctor_assignment): Likewise.
9373         (gen_hsa_insns_for_single_assignment): Provide alignment
9374         to gen_hsa_ctor_assignment.
9375         (gen_hsa_insns_for_direct_call): Add new argument.
9376         (expand_lhs_of_string_op): New function.
9377         (expand_string_operation_builtin): Likewise.
9378         (expand_memory_copy): New function.
9379         (expand_memory_set): New function.
9380         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9381         (convert_switch_statements): Change signature.
9382         (generate_hsa): Use a return value of the function.
9383         (pass_gen_hsail::execute): Do not call
9384         convert_switch_statements here.
9385         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9386         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9387         (hsa_function_representation::update_dominance): New function.
9388
9389 2016-03-31  Martin Liska  <mliska@suse.cz>
9390
9391         PR hsa/70391
9392         * hsa-brig.c (emit_directive_variable): Emit alignment
9393         according to hsa_symbol::m_align.
9394         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9395         (dump_hsa_symbol): Dump alignment of HSA symbols.
9396         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9397         (gen_hsa_addr_with_align): New function.
9398         (hsa_bitmemref_alignment): Use newly added function.
9399         (gen_hsa_insns_for_load): Likewise.
9400         (gen_hsa_insns_for_store): Likewise.
9401         (gen_hsa_memory_copy): New argument added.
9402         (gen_hsa_insns_for_single_assignment): Respect
9403         alignment for assignments processed via gen_hsa_memory_copy.
9404         (gen_hsa_insns_for_direct_call): Likewise.
9405         (gen_hsa_insns_for_return): Likewise.
9406         (gen_function_def_parameters): Set default alignment.
9407         * hsa.c (hsa_object_alignment): New function.
9408         (hsa_byte_alignment): Pasted function.
9409         * hsa.h (hsa_symbol::m_align): New field.
9410
9411 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9412
9413         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9414         scratch field for goto case.
9415
9416 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9417
9418         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9419
9420 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9421
9422         PR target/70442
9423         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9424         (scalar_chain::convert_insn): Call convert_op for reg
9425         moves to handle undefined registers.
9426
9427 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9428
9429         PR c++/70393
9430         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9431         Assert we don't want to move backwards.
9432
9433 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9434
9435         PR target/70453
9436         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9437
9438 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9439
9440         PR rtl-optimization/70460
9441         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9442         with operand from REG_LABEL_OPERAND, instead substitute
9443         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9444         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9445
9446 2016-03-31  Martin Liska  <mliska@suse.cz>
9447
9448         * passes.c (execute_one_pass): Do not call
9449         todo_after for a discarded function.
9450
9451 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9452
9453         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9454         (no_cost, infinite_cost): Initialize the new field.
9455         (get_computation_cost_at): Record setup cost.
9456         (determine_use_iv_cost_address): Skip cost computation for sub
9457         uses if we can estimate it without losing accuracy.
9458
9459 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9460
9461         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9462         estimates here.
9463         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9464         max_loop_iterations_int.
9465         (tree_unswitch_outer_loop): Likewise.
9466         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9467         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9468
9469 2016-03-30  Richard Biener  <rguenther@suse.de>
9470
9471         PR middle-end/70450
9472         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9473
9474 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9475
9476         PR target/70421
9477         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9478         in gen_blendm expander.
9479
9480 2016-03-30  Nick Clifton  <nickc@redhat.com>
9481
9482         PR target/62254
9483         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9484         case where we are already provided with an SImode SUBREG.
9485
9486 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9487
9488         PR target/70439
9489         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9490         conflict between DRAP register and __builtin_eh_return.
9491
9492 2016-03-30  Michael Matz  <matz@suse.de>
9493             Richard Biener  <rguenther@suse.de>
9494
9495         PR ipa/12392
9496         * ipa-polymorphic-call.c (struct type_change_info): Change
9497         speculative to an unsigned allowing to limit the work we do.
9498         (csftc_abort_walking_p): New inline function..
9499         (check_stmt_for_type_change): Limit the number of may-defs
9500         skipped for speculative devirtualization to
9501         max-speculative-devirt-maydefs.
9502         * params.def (max-speculative-devirt-maydefs): New param.
9503         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9504
9505 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9506
9507         PR target/63890
9508         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9509         and TARGET_MACHO.
9510
9511 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9512
9513         PR tree-optimization/59124
9514         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9515         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9516
9517 2016-03-29  Jeff Law  <law@redhat.com>
9518
9519         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9520
9521 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9522
9523         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9524         to HOST_WIDE_INT.
9525
9526 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9527
9528         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9529         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9530         gcrt0.o if linking dynamically.
9531
9532 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9533
9534         PR ipa/70283
9535         * ipa-devirt.c (methods_equal_p): New function.
9536         (compare_virtual_tables): Use it.
9537         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9538         * cgraphclones.c (clone_function_name_1): Use
9539         symbol_table::symbol_suffix_separator.
9540         * coverage.c (build_var): Likewise.
9541         * symtab.c (symbol_table::symbol_suffix_separator): New.
9542
9543 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
9544
9545         PR rtl-optimization/70429
9546         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9547         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9548         mode != result_mode.
9549
9550         PR c++/70353
9551         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9552
9553         PR tree-optimization/70405
9554         * ssa-iterators.h (num_imm_uses): Add missing braces.
9555
9556 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9557
9558         PR rtl-optimization/68695
9559         * ira-color.c (allocno_copy_cost_saving): New.
9560         (improve_allocation): Use it.
9561
9562 2016-03-29  Richard Henderson  <rth@redhat.com>
9563
9564         PR middle-end/70355
9565         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9566
9567 2016-03-29  Richard Biener  <rguenther@suse.de>
9568
9569         PR middle-end/70424
9570         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9571         use alignment returned by get_pointer_alignment_1 if it is
9572         bigger than BITS_PER_UNIT.
9573         * builtins.c (get_pointer_alignment_1): Do not return true
9574         for alignment extracted from SSA info.
9575
9576 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
9577
9578         * config/ft32/ft32.opt (mnodiv): New.
9579         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9580         * doc/invoke.texi (FT32 Options -mnodiv): New.
9581
9582 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
9583
9584         PR target/70406
9585         * config/i386/i386.md (define_split, andn): Fix modes.
9586
9587 2016-03-26  Richard Biener  <rguenther@suse.de>
9588             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9589
9590         PR ipa/70366
9591         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9592         instead of
9593         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9594         as 2nd argument to cl_optimization_restore().
9595
9596 2016-03-25  Richard Henderson  <rth@redhat.com>
9597
9598         PR target/70120
9599         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9600         * config/aarch64/aarch64-protos.h: Declare it.
9601         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9602
9603 2016-03-25  Alan Modra  <amodra@gmail.com>
9604
9605         PR target/70052
9606         * config/rs6000/constraints.md (j): Simplify.
9607         * config/rs6000/predicates.md (easy_fp_constant): Exclude
9608         decimal float 0.D.
9609         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9610         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9611          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9612         in all constraint alternatives.
9613         (movtd_64bit_nodm): Delete "j" constraint alternative.
9614
9615 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9616
9617         * tree-ssa-propagate.c: Enhance docs for
9618         SSA_PROP_NOT_INTERESTING.
9619
9620 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9621
9622         * doc/extend.texi: Fix typo in documentation to pure attribute.
9623
9624 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
9625
9626         PR target/70319
9627         * config/pa/pa.md (bswapdi2): Use a scratch register.
9628
9629 2016-03-24  Richard Henderson  <rth@redhat.com>
9630
9631         PR middle-end/69845
9632         * fold-const.c (extract_muldiv_1): Correct test for multiplication
9633         overflow.
9634
9635 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
9636
9637         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9638         using ix86_expand_binary_operator instead of gen_andsi3.
9639
9640 2016-03-24  Richard Biener  <rguenther@suse.de>
9641
9642         PR tree-optimization/70396
9643         * tree-vect-stmts.c (vectorizable_comparison): Use
9644         get_vectype_for_scalar_type.
9645
9646 2016-03-24  Richard Biener  <rguenther@suse.de>
9647
9648         PR middle-end/70370
9649         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9650         with register bases.
9651
9652 2016-03-24  Richard Biener  <rguenther@suse.de>
9653
9654         PR tree-optimization/70372
9655         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9656         build_all_ones_cst to also handle vector types correctly.
9657
9658 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9659
9660         PR target/70381
9661         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9662         -mfloat128 here.
9663
9664 2016-03-23  Marek Polacek  <polacek@redhat.com>
9665
9666         PR c++/69884
9667         * doc/invoke.texi: Document -Wignored-attributes.
9668
9669 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9670
9671         PR tree-optimization/69042
9672         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9673         parameter from 30 to 40.
9674
9675 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9676
9677         PR tree-optimization/69042
9678         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9679         for use with constant offset stripped in base.
9680
9681 2016-03-23  Richard Biener  <rguenther@suse.de>
9682
9683         PR middle-end/70251
9684         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9685         mode compatibility check.
9686         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9687
9688 2016-03-23  Jeff Law  <law@redhat.com>
9689
9690         PR tree-optimization/64058
9691         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9692         CONFLICT_COUNT.
9693         (struct ssa_conflicts): Move up earlier in the file.
9694         (conflicts_, var_map_): New static variables.
9695         (initialize_conflict_count): New function to initialize the
9696         CONFLICT_COUNT field for each conflict pair.
9697         (compare_pairs): Lazily initialize the conflict count and use it
9698         as the first tie-breaker.
9699         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
9700         and wipe conflicts_ and map_ around the call to qsort.  Remove
9701         special case for 2 coalesce pairs.
9702         * bitmap.c (bitmap_count_unique_bits): New function.
9703         (bitmap_count_bits_in_word): New function, extracted from
9704         bitmap_count_bits.
9705         (bitmap_count_bits): Use bitmap_count_bits_in_word.
9706         * bitmap.h (bitmap_count_unique_bits): Declare it.
9707
9708 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
9709
9710         PR target/69917
9711         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9712         transparent alias chain for decl assembler name.
9713         * config/sol2.c (solaris_assemble_visibility): Likewise.
9714
9715 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9716
9717         * config/arm/arm1020e.md (1020call_op): Reduce reservation
9718         duration.
9719         (v10_fdivs): Likewise.
9720         (v10_fdivd): Likewise.
9721
9722 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9723
9724         PR driver/70132
9725         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9726         to not call fclose twice on file.
9727
9728 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
9729
9730         PR tree-optimization/70354
9731         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9732         oprnd0 is wider than oprnd1 and there is a cast from the wider
9733         type to oprnd1, mask it with the mask of the narrower type.
9734
9735         PR target/70321
9736         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9737         Optimize TARGET_STV splitters, if high or low word of last argument
9738         is 0 or -1.
9739
9740 2016-03-22  Jeff Law  <law@redhat.com>
9741
9742         PR target/70232
9743         tree-ssa-threadbackward.c
9744         (fsm_find_control_statement_thread_paths): Correctly distinguish
9745         between old style jump threads vs FSM jump threads.
9746
9747 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
9748
9749         PR target/70302
9750         * config/i386/i386.c (scalar_chain::convert_op): Support
9751         uninitialized register usage case.
9752
9753 2016-03-22  Richard Biener  <rguenther@suse.de>
9754
9755         PR middle-end/70251
9756         * genmatch.c (gen_transform): Adjust last parameter to a three-state
9757         int...
9758         (capture::gen_transform): ... to change behavior when substituting
9759         a condition into cond or not-cond expr context.
9760         (dt_simplify::gen_1): Adjust.
9761         * gimple-match-head.c: Include gimplify.h for unshare_expr.
9762         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9763         last change and instead change to
9764         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9765         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9766
9767 2016-03-22  Anthony Green  <green@moxielogic.com>
9768
9769         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
9770         issue for moxiebox targets.
9771         (CC1PLUS_SPEC): Ditto.
9772
9773 2016-03-22  Richard Biener  <rguenther@suse.de>
9774
9775         PR middle-end/70333
9776         * fold-const.c (extract_muldiv_1): Properly perform multiplication
9777         in the wide type.
9778
9779 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9780
9781         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9782
9783 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9784
9785         PR target/70325
9786         * config/i386/i386.c (def_builtin): Handle
9787         OPTION_MASK_ISA_AVX512VL to be and-ed with other
9788         bits.
9789         (const struct builtin_description bdesc_special_args[]):
9790         Remove duplicate ISA bits.
9791
9792 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
9793
9794         PR target/70329
9795         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9796         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
9797         in a way that works also for AVX512BW.
9798
9799         PR target/70300
9800         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9801         instead of source if operands[1] is xmm16 and above and
9802         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
9803         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9804
9805         PR c++/70295
9806         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9807         on assign if (*from_p) is a comparison, set it to
9808         TREE_NO_WARNING (*from_p).
9809
9810 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9811
9812         PR middle-end/70326
9813         * lra.c (restore_scratches): Ignore deleted insns.
9814
9815 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
9816             Jakub Jelinek  <jakub@redhat.com>
9817
9818         PR tree-optimization/70317
9819         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9820         to HONOR_NANS.
9821
9822 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
9823
9824         PR target/70327
9825         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9826         of ix86_expand_move.
9827         (movoi): Ditto.
9828         (movti): Use general_operand for operand 1 predicate.
9829
9830 2016-03-21  Martin Liska  <mliska@suse.cz>
9831
9832         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9833         insns.
9834         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9835
9836 2016-03-21  Martin Liska  <mliska@suse.cz>
9837
9838         PR ipa/70306
9839         * ipa-icf.c (sem_function::parse): Skip static
9840         constructors and destructors.
9841
9842 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9843
9844         PR target/70296
9845         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9846         function-like macro, peek following token(s) if it is followed
9847         by CPP_OPEN_PAREN token with optional padding in between, and
9848         if not, don't treat it like a macro.
9849
9850 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
9851             Alexander Monakov  <amonakov@ispras.ru>
9852
9853         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9854         for the stabs debug format.
9855
9856 2016-03-21  Richard Biener  <rguenther@suse.de>
9857
9858         PR tree-optimization/70310
9859         * tree-vect-generic.c (expand_vector_condition): Fold the built
9860         condition.
9861
9862 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
9863
9864         PR target/70293
9865         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9866         Block third alternative for AVX-512VL target,
9867
9868 2016-03-21  Martin Liska  <mliska@suse.cz>
9869
9870         PR hsa/70234
9871         * hsa-brig.c (emit_function_directives): Mark unemitted
9872         global variables for emission.
9873         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9874         (get_symbol_for_decl): Likewise.
9875         * hsa.h (struct hsa_symbol): New flag.
9876
9877 2016-03-21  Richard Biener  <rguenther@suse.de>
9878
9879         PR tree-optimization/70288
9880         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9881         we do not estimate unsimplified all-constant conditionals or
9882         switches as optimized away.
9883
9884 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
9885
9886         PR rtl-optimization/69102
9887         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9888         when we have a readonly dependency context.
9889
9890 2016-03-18  Jeff Law  <law@redhat.com>
9891
9892         PR rtl-optimization/70263
9893         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9894         (update_equiv_regs): When trying to move a store to after the insn
9895         that sets the source of the store, make sure the store occurs after
9896         the insn that sets the source of the store.  When successful note
9897         the REG_EQUIV note created in the dump file.
9898
9899 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
9900             Bernd Schmidt  <bschmidt@redhat.com>
9901
9902         * doc/extend.texi: Document more potential problems with basic asms.
9903
9904 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
9905
9906         PR rtl-optimization/70278
9907         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
9908         VOIDmode.
9909
9910 2016-03-18  Jason Merrill  <jason@redhat.com>
9911
9912         * calls.c (load_register_parameters): Fix zero size sibcall logic.
9913
9914 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
9915
9916         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
9917         values to 128b regs.
9918
9919 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
9920
9921         PR tree-optimization/70252
9922         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
9923         boolean vector has a proper number of elements.
9924         (supportable_narrowing_operation): Likewise.
9925
9926 2016-03-18  Tom de Vries  <tom@codesourcery.com>
9927
9928         PR ipa/70269
9929         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
9930
9931 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
9932
9933         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
9934         instead of replace_rtx for DEBUG_INSNs.
9935
9936 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9937
9938         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
9939         load type reservations.
9940
9941 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
9942
9943         PR target/70188
9944         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
9945         define_constraint for "Q" and "T" constraints.
9946
9947 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
9948
9949         Tweak the pipeline model for Exynos M1
9950
9951         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
9952         model.
9953
9954 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
9955
9956         PR c/70264
9957         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
9958         where one or both locations aren't within a line_map.
9959
9960 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9961
9962         PR driver/70192
9963         * opts.c (finish_options): Don't set flag_pie to the default if
9964         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
9965         if it is -1.
9966
9967 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
9968
9969         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
9970         true as ALL_REGS argument to replace_rtx.
9971
9972 2016-03-17  Richard Biener  <rguenther@suse.de>
9973
9974         PR debug/70271
9975         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
9976         last.
9977
9978 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9979
9980         PR target/70245
9981         * rtl.h (replace_rtx): Add ALL_REGS argument.
9982         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
9983         equality and assert mode is the same, instead of just rtx pointer
9984         equality.
9985         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
9986         true as ALL_REGS argument to replace_rtx.
9987
9988 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
9989
9990         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
9991         for boolean vector with vector mode only.
9992         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9993
9994 2016-03-17  Nick Clifton  <nickc@redhat.com>
9995
9996         PR target/70162
9997         * config/rx/rx.c (rx_print_integer): Print negative constants in
9998         decimal.
9999
10000 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
10001
10002         PR target/70261
10003         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
10004
10005 2016-03-16  Richard Henderson  <rth@redhat.com>
10006             Richard Biener  <rguenth@suse.de>
10007
10008         PR middle-end/70240
10009         PR middle-end/68215
10010         PR tree-opt/68714
10011         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
10012         first operand as is_gimple_condexpr.
10013
10014         PR middle-end/70240
10015         PR middle-end/68215
10016         Revert r231575
10017         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
10018         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
10019         Do not gimplify the result.
10020         (do_unop): Adjust call to tree_vec_extract.
10021         (do_binop): Likewise.
10022         (do_compare): Likewise.
10023         (do_plus_minus): Likewise.
10024         (do_negate): Likewise.
10025         (expand_vector_condition): Likewise.
10026         (do_cond): Likewise.
10027
10028 2016-03-16  Richard Henderson  <rth@redhat.com>
10029
10030         PR target/70048
10031         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
10032         (aarch64_classify_address): Use it.
10033         (aarch64_legitimize_address): Force all subexpressions of PLUS
10034         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
10035
10036 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
10037             Richard Biener  <rguenth@suse.de>
10038
10039         PR target/70245
10040         * rtlanal.c (replace_rtx): For REG, if from is a REG,
10041         return to even if only REGNO is equal, and assert
10042         mode is the same.
10043
10044 2016-03-11  Jeff Law  <law@redhat.com>
10045
10046         PR rtl-optimization/70224
10047         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
10048
10049 2016-03-16  Richard Henderson  <rth@redhat.com>
10050
10051         PR middle-end/70199
10052         * function.h (struct function): Add has_forced_label_in_static.
10053         * gimplify.c (force_labels_r): Set it.
10054         * lto-streamer-in.c (input_struct_function_base): Read it.
10055         * lto-streamer-out.c (output_struct_function_base): Write it.
10056         * tree-inline.c (has_label_address_in_static_1): Remove.
10057         (copy_forbidden): Remove fndecl parameter; test
10058         has_forced_label_in_static.
10059         (inline_forbidden_p): Update call to copy_forbidden.
10060         (tree_versionable_function_p): Likewise.
10061         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
10062         (chkp_versioning): Likewise.
10063         * tree-inline.h (copy_forbidden): Update decl.
10064
10065 2016-03-16  Marek Polacek  <polacek@redhat.com>
10066
10067         PR c/70093
10068         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
10069         function being thunked if the result type doesn't have fixed size.
10070         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
10071         doesn't have fixed size.
10072
10073 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
10074
10075         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
10076         reporting malformed loop nest.
10077
10078 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10079
10080         PR lto/70187
10081         * ipa-devirt.c (possible_polymorphic_call_targets): Move
10082         nodes.length () == 1 test to before first nodes[0] access.
10083
10084 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10085
10086         PR tree-optimization/68715
10087         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
10088         single_pred_p test.
10089
10090 2016-03-16  Tom de Vries  <tom@codesourcery.com>
10091
10092         PR tree-optimization/68809
10093         * graphite-scop-detection.c (same_close_phi_node): Test if result types
10094         are the same.
10095
10096 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
10097             Sandra Loosemore  <sandra@codesourcery.com>
10098
10099         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
10100         on leaf attribute. Mention ELF interposition problems.
10101
10102 2016-03-16  Alan Modra  <amodra@gmail.com>
10103
10104         PR rtl-optimization/69195
10105         PR rtl-optimization/47992
10106         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10107         Add comments.
10108
10109 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10110
10111         PR bootstrap/69513
10112         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10113
10114 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10115
10116         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10117
10118 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10119
10120         PR rtl-optimization/70222
10121         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10122         optimization if mode is different from result_mode, queue up masking
10123         of the result in outer_op.  Formatting fix.
10124
10125         PR middle-end/70239
10126         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10127         of safe_grow.
10128
10129 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10130
10131         PR rtl-optimization/69032
10132         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10133         looping backwards over basic block insns.
10134
10135 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10136
10137         PR target/66660
10138         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10139         to non-speculative when propagating trap bits.
10140
10141 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10142
10143         PR rtl-optimization/63384
10144         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10145         DEBUG_INSN_P insns.
10146
10147 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10148
10149         PR target/64411
10150         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10151         factored out from ...
10152         (sched_analyze_insn): ... here.
10153         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10154         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10155         get_implicit_reg_pending_clobbers in it.
10156         (setup_id_reg_sets): Use setup_id_implicit_regs.
10157         (deps_init_id): Ditto.
10158
10159 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10160
10161         PR ipa/70161
10162         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10163         dump_file_name.
10164         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10165         execute_function_dump.
10166         (execute_one_pass): Don't dump function if it will be dumped after ipa
10167         transform.
10168
10169 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10170
10171         * genrecog.c (match_pattern_2): If pred is NULL don't call
10172         safe_predicate_mode on it.
10173
10174 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10175
10176         PR middle-end/70219
10177         * lra-constraints.c (delete_move_and_clobber): Change assertion
10178         to also allow dregno == 0.
10179
10180 2016-03-14  Richard Henderson  <rth@redhat.com>
10181
10182         PR tree-opt/68714
10183         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10184         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10185         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10186         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10187         on vectors.
10188
10189 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10190
10191         PR target/70083
10192         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10193         regs.
10194         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10195         VOIDmode.
10196         * lra-constraints.c (split_reg): For hard regs, try to find the
10197         biggest single-register mode used in the function.
10198
10199 2016-03-14  Richard Biener  <rguenther@suse.de>
10200
10201         PR tree-optimization/56365
10202         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10203         constants to compare against.
10204
10205 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10206
10207         PR target/70098
10208         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10209         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10210         (define_split for the GPR case): Use int_reg_operand instead of
10211         gpc_reg_operand for the output.
10212
10213 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10214
10215         PR tree-optimization/70045
10216         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10217         create_empty_if_region_on_edge argument.
10218
10219 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10220
10221         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10222         (STACK_CHECK_PROTECT): Likewise.
10223         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10224         (STACK_CHECK_PROTECT): Likewise.
10225         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10226         (STACK_CHECK_PROTECT): Likewise.
10227         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10228         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10229         (STACK_CHECK_PROTECT): Likewise.
10230
10231 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10232
10233         PR rtl-optimization/69307
10234         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10235         registers in modes that span more than one register.
10236
10237 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10238
10239         PR target/69614
10240         * lra-constraints.c (delete_move_and_clobber): New.
10241         (remove_inheritance_pseudos): Use it.
10242
10243 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10244
10245         PR ada/70017
10246         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10247         the libcall is LCT_THROW.
10248         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10249         for the checking routine.
10250
10251 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10252
10253         PR target/70131
10254         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10255         optimization if we have direct move.
10256         (roundu32<mode>2_fprs): Likewise.
10257
10258 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10259
10260         PR target/70123
10261         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10262         be rematerialized.
10263         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10264         Arguments swapped.  All callers changed.  Take reg_renumber into
10265         account, and Calculate and compare register ranges for hard regs.
10266
10267 2016-03-11  Jeff Law  <law@redhat.com>
10268
10269         PR tree-optimization/70190
10270         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10271         Handle cases where we can not extract the taken edge, even though we
10272         found a constant value.
10273
10274         PR tree-optimization/64058
10275         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10276         (num_coalesce_pairs): Move up earlier in file.
10277         (find_coalesce_pair): Initialize the INDEX field for each pair
10278         discovered.
10279         (compare_pairs): No longer sort on the elements in each pair.
10280         Instead break ties with the index of the coalesce pair.
10281
10282 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10283
10284         PR target/70002
10285         * config/aarch64/aarch64-protos.h
10286         (aarch64_save_restore_target_globals): New prototype.
10287         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10288         Call the above when popping pragma.
10289         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10290         New function.
10291         (aarch64_set_current_function): Rewrite using the above.
10292
10293 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10294
10295         PR tree-optimization/70177
10296         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10297         (extract_ops_from_tree): ... this.  In the 2 argument
10298         overload remove _1 suffix.
10299         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10300         (extract_ops_from_tree): ... this.
10301         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10302         Adjust callers.
10303         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10304         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10305         extract_ops_from_tree instead of 2 operand one.
10306
10307 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10308
10309         PR tree-optimization/70013
10310         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10311         for constant-pool entries.
10312
10313 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10314
10315         PR rtl-optimization/70174
10316         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10317         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10318
10319         PR tree-optimization/70169
10320         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10321         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10322         for unknown codes.
10323
10324 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10325             Jakub Jelinek  <jakub@redhat.com>
10326
10327         PR target/70160
10328         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10329         of uninitialized values.
10330
10331 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10332
10333         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10334         define_expand.
10335         ("*trunctddd2"): New pattern definition.
10336         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10337         TD->DD truncation.
10338
10339 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10340
10341         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10342         definitions for BFP and DFP rounding modes.
10343         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10344         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10345         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10346         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10347         numbers.
10348
10349 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10350
10351         * config/s390/constraints.md: Adjust comment.
10352         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10353         s390_decompose_addrstyle_without_index.
10354         * config/s390/predicates.md (shift_count_or_setmem_operand):
10355         Rename to setmem_operand.
10356         * config/s390/s390-protos.h
10357         (s390_decompose_shift_count): Rename to
10358         s390_decompose_addrstyle_without_index.
10359         * config/s390/s390.c (s390_decompose_shift_count)
10360         (s390_mem_constraint, print_shift_count_operand)
10361         (print_operand_address, print_operand): Rename
10362         s390_decompose_shift_count to
10363         s390_decompose_addrstyle_without_index and rename
10364         print_shift_count_operand to print_addrstyle_operand troughout the
10365         file.
10366         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10367         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10368         Rename shift_count_or_setmem_operand to setmem_operand.
10369         * config/s390/vx-builtins.md ("vec_insert<mode>")
10370         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10371         nonmemory_operand.
10372
10373 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10374
10375         PR target/70168
10376         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10377         Handle overlapping retval and newval.
10378
10379 2016-03-10  Nick Clifton  <nickc@redhat.com>
10380
10381         PR target/7044
10382         * config/aarch64/aarch64.c
10383         (aarch64_override_options_after_change_1): When forcing
10384         flag_omit_frame_pointer to be true, use a special value that can
10385         be detected if this function is called again, thus preventing
10386         flag_omit_leaf_frame_pointer from being forced to be false.
10387
10388 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10389
10390         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10391         Set x_flag_omit_leaf_frame_pointer when handling
10392         -momit-leaf-frame-pointer.
10393
10394 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10395
10396         PR lto/69589
10397         * cgraph.c (cgraph_node::dump): Dump split_part and
10398         indirect_call_target.
10399         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10400         * ipa.c (has_addr_references_p): Cleanup.
10401         (is_indirect_call_target_p): New.
10402         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10403         called indirectly as local.
10404         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10405
10406 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10407
10408         PR ipa/69630
10409         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10410         on cxa_pure_virtual.
10411
10412 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10413
10414         PR lto/69589
10415         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10416
10417 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10418
10419         PR lto/69589
10420         * tree.c (need_assembler_name_p): Only record main variant type names.
10421
10422 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10423
10424         PR target/70113.
10425         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10426         Always define to 0 or 1.
10427         (TARGET_FIX_ERR_A53_843419): New macro.
10428         * config/aarch64/aarch64-elf-raw.h
10429         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10430         * config/aarch64/aarch64-linux.h: Likewise.
10431         * config/aarch64/aarch64.c
10432         (aarch64_override_options_after_change_1): Do not default
10433         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10434         843419 is on.
10435         (aarch64_attributes): Handle fix-cortex-a53-843419.
10436         (aarch64_can_inline_p): Likewise.
10437         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10438
10439 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10440         Jakub Jelinek <jakub@redhat.com>
10441
10442         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10443         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10444         DECL_COMMONS if flag_unconstrained_commons is set.
10445         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10446         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10447         (funconstrained-commons): Document.
10448
10449 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10450
10451         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10452         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10453
10454 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10455
10456         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10457         has a proper number of elements.
10458
10459 2016-03-10  Alan Modra  <amodra@gmail.com>
10460
10461         PR rtl-optimization/69195
10462         PR rtl-optimization/47992
10463         * ira.c (recorded_label_ref): Delete.
10464         (update_equiv_regs): Return void.
10465         (indirect_jump_optimize): New function.
10466         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10467         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10468         Delete update_regstat.
10469
10470 2016-03-10  Richard Biener  <rguenther@suse.de>
10471
10472         PR tree-optimization/70128
10473         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10474         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10475
10476 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10477
10478         PR tree-optimization/70152
10479         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10480         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10481
10482         PR target/70086
10483         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10484         instead of gen_sse2_loadlpd.
10485         * config/i386/sse.md (*vec_concatv2df): Rename to...
10486         (vec_concatv2df): ... this.
10487
10488         PR tree-optimization/70127
10489         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10490
10491 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10492
10493         PR c/68473
10494         PR c++/70105
10495         * diagnostic-show-locus.c (compatible_locations_p): New function.
10496         (layout::layout): Sanitize ranges using compatible_locations_p.
10497
10498 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10499
10500         PR c/68473
10501         PR c++/70105
10502         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10503         location_range param with three const expanded_locations * and a
10504         bool.
10505         (layout::layout): Replace call to
10506         rich_location::lazily_expand_location with get_expanded_location.
10507         Extract the range and perform location expansion here, passing
10508         the results to the layout_range ctor.
10509         * diagnostic.c (source_range::debug): Delete.
10510         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10511         of rich_location::get_expanded_location.
10512         * gcc-rich-location.c (get_range_for_expr): Delete.
10513         (gcc_rich_location::add_expr): Reimplement to avoid the
10514         rich_location::add_range overload that took a location_range,
10515         passing a location_t instead.
10516
10517 2016-03-09  Richard Biener  <rguenther@suse.de>
10518         Jakub Jelinek  <jakub@redhat.com>
10519
10520         PR tree-optimization/70138
10521         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10522         Also skip vect_double_reduction_def.
10523
10524 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10525
10526         PR target/70049
10527         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10528         if the operand is "m".
10529
10530 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10531
10532         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10533
10534 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10535
10536         * config/i386/i386.c (processor_target_table): Fix cost table
10537         intialization order for znver1.
10538
10539 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10540
10541         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10542         - becuase -> because.
10543         * ipa-reference.c (ignore_module_statics): Likewise.
10544         * cgraph.c (cgraph_node::get_body): Likewise.
10545         * ipa-inline.c (early_inliner): Likewise.
10546         * ipa-devirt.c (types_same_for_odr): Likewise.
10547         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10548         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10549
10550 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10551
10552         * tree-ssa-math-opts.c: Fix typo in comment.
10553
10554 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10555
10556         PR target/70110
10557         * config/i386/i386.c (scalar_chain::make_vector_copies,
10558         scalar_chain::convert_reg): Call end_sequence in between
10559         get_insns and emit_conversion_insns rather than after both
10560         calls.
10561
10562 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
10563
10564         PR target/70064
10565         * config/i386/i386.h (machine_function): Add
10566         pc_thunk_call_expanded flag.
10567         (ix86_pc_thunk_call_expanded): New define.
10568         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10569         (*set_got): Rename insn pattern from set_got.
10570         (*set_got_labelled): Rename inst pattern from set_got_labelled.
10571         * config/i386/i386.c (ix86_compute_frame_layout): Use
10572         ix86_pc_thunk_call_expanded to prevent red-zone.
10573
10574 2016-03-07  Martin Jambor  <mjambor@suse.cz>
10575
10576         * hsa.h (hsa_get_ctor_statements): Declare.
10577         (hsa_get_dtor_statements): Likewise.
10578         (hsa_get_kernel_dispatch_type): Likewise.
10579         * hsa.c (hsa_get_ctor_statements): New function.
10580         (hsa_get_dtor_statements): Likewise.
10581         (hsa_get_kernel_dispatch_type): Likewise.
10582         * hsa-brig.c (hsa_cdtor_statements): Removed.
10583         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10584         hsa_get_dtor_statements.
10585         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10586         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10587
10588 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
10589
10590         * config/arm/arm-cores.def (cortex-r8): New.
10591         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10592         * config/arm/arm-tune.md: Likewise.
10593         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10594
10595 2016-03-07  Martin Sebor  <msebor@redhat.com>
10596
10597         PR rtl-optimization/19705
10598         * doc/invoke.texi (Options That Control Optimization): Clarify
10599         -fno-branch-count-reg.
10600
10601 2016-02-26  Richard Biener  <rguenther@suse.de>
10602             Jeff Law  <law@redhat.com>
10603
10604         PR tree-optimization/69740
10605         * cfghooks.c (remove_edge): Request loop fixups if we delete
10606         an edge that might turn an irreducible loop into a natural
10607         loop.
10608         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10609         Move after definition of loops_state_clear.
10610
10611 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
10612
10613         PR rtl-optimization/69052
10614         * rtlanal.c (commutative_operand_precedence): Set higher precedence
10615         to CONST_WIDE_INT.
10616
10617 2016-03-07  Tom de Vries  <tom@codesourcery.com>
10618
10619         PR tree-optimization/70116
10620         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10621         is_tm_ending stmts and ubsan/asan internal functions.
10622         (find_duplicate): Use it.  Don't test is_tm_ending here.
10623
10624 2016-03-07  Richard Biener  <rguenther@suse.de>
10625
10626         PR tree-optimization/70115
10627         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10628         (propagate_constants_for_unrolling): Use replace_uses_by.
10629
10630 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
10631
10632         PR middle-end/69916
10633         * omp-low.c (struct oacc_loop): Add ifns.
10634         (new_oacc_loop_raw): Initialize it.
10635         (finish_oacc_loop): Clear mask & flags if no ifns.
10636         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10637         (oacc_loop_xform_loop): Add ifns arg & adjust.
10638         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10639
10640 2016-03-07  Richard Henderson  <rth@redhat.com>
10641
10642         PR rtl-opt/70061
10643         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10644         (insert_value_copy_on_edge): Likewise.
10645
10646 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10647
10648         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10649
10650 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10651
10652         PR target/62281
10653         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10654
10655 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10656
10657         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10658
10659 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10660
10661         Fix sseimul type attribute.
10662         * config/i386/znver1.md
10663         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10664         znver1_sseimul_avx256_load) : Fix the type attribute.
10665         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10666         pipe usage and latency.
10667
10668 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
10669
10670         PR c++/70084
10671         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10672         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10673         to the right type.
10674
10675 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10676
10677         PR c/69973
10678         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10679
10680         PR rtl-optimization/69941
10681         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10682         the reg share its mode.
10683
10684 2016-03-04  Jeff Law  <law@redhat.com>
10685
10686         PR tree-optimization/69196
10687         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10688         If the both SSA_NAMEs are anonymous, then consider them unassociated
10689         and include the PHI in the statement count.
10690
10691 2016-03-05  Tom de Vries  <tom@codesourcery.com>
10692
10693         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10694         construct in oacc routine.  Check for oacc region in oacc routine.
10695
10696 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10697
10698         PR target/70062
10699         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
10700         2016-02-22 changes, instead don't recurse if RECUR is already true.
10701         Don't change *dynamic_check if RECUR.  Adjust recursive caller
10702         to pass true to the new argument.
10703         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10704
10705         PR target/70059
10706         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10707         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10708         fixes.
10709         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
10710
10711 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10712
10713         PR rtl-optimization/57676
10714         * lra-assigns.c (lra_assign): Guard test for maximum iterations
10715         with flag_checking.
10716
10717 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
10718
10719         * tree-vect-patterns.c (search_type_for_mask): Handle
10720         comparison of booleans.
10721
10722 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10723
10724         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10725         Fix @xref usage.
10726
10727         PR debug/69947
10728         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10729         all other ops that have dw_val_class_die_ref operands,
10730         and DW_OP_GNU_entry_value.
10731
10732 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10733
10734         PR rtl-optimization/69904
10735         * config/arm/arm.c (arm_cannot_copy_insn_p):
10736         Return true for load-exclusive instructions.
10737
10738 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
10739
10740         PR target/70021
10741         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10742         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10743         the pattern no matter if it is used just by non-pattern, pattern
10744         or mix thereof.
10745         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10746         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10747         oprnd1 def_stmt is in pattern, don't look through it.
10748
10749 2016-03-03  Marek Polacek  <polacek@redhat.com>
10750
10751         PR middle-end/70050
10752         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10753
10754 2016-03-03  Martin Liska  <mliska@suse.cz>
10755
10756         PR tree-optimization/70043
10757         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10758         previous statement if we see a debug statement.
10759
10760 2016-03-03  Richard Biener  <rguenther@suse.de>
10761
10762         PR tree-optimization/55936
10763         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10764         parameter and guard unsafe equivalence use.
10765         (vrp_evaluate_conditional_warnv_with_ops): Always use
10766         safe equivalences but not via the quadratic compare_names
10767         helper.
10768
10769 2016-03-03  Michael Collison  <michael.collison@linaro.org>
10770
10771         PR target/70014
10772         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10773         for operand 1 to s_register_operand. Change predicate for operand
10774         2 to arm_not_immediate_operand.
10775
10776 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
10777
10778         * doc/tm.texi: Regenerated.
10779
10780 2016-03-02  Richard Henderson  <rth@redhat.com>
10781
10782         PR rtl-opt/67145
10783         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10784         simplification when all args are positive non-fixed registers.
10785
10786 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10787
10788         * target.def (lra_p): Specify that new ports should use LRA.
10789
10790 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10791
10792         PR libgomp/69555
10793         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10794         gimplify_type_sizes the type they refer to.
10795         (omp_notice_variable): Handle reference vars to VLAs.
10796         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10797         reference to VLA decls in the second pass instead of first pass.
10798
10799 2016-03-02  Tom de Vries  <tom@codesourcery.com>
10800
10801         PR tree-optimization/68659
10802         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10803         new_expr == NULL_TREE.
10804         (get_new_name): Handle ADDR_EXPR.
10805
10806 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
10807
10808         PR rtl-optimization/69052
10809         * loop-invariant.c (canonicalize_address): New function.
10810         (inv_can_prop_to_addr_use): Check validity of address expression
10811         which is canonicalized by above function.
10812
10813 2016-03-02  Alan Modra  <amodra@gmail.com>
10814
10815         PR ipa/69990
10816         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10817         larger alignment.
10818
10819 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10820
10821         PR target/70028
10822         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10823         (*movhi_internal): Put mask moves from and to memory separately
10824         from moves from/to GPRs.
10825
10826 2016-03-02  Richard Biener  <rguenther@suse.de>
10827
10828         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10829         GENERIC expressions in GIMPLE.
10830
10831 2016-03-02  Richard Biener  <rguenther@suse.de>
10832
10833         * config/i386/i386.c (type_natural_mode): Fix typo.
10834
10835 2016-03-02  Nick Clifton  <nickc@redhat.com>
10836
10837         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10838
10839 2016-03-02  Richard Biener  <rguenther@suse.de>
10840             Uros Bizjak  <ubizjak@gmail.com>
10841
10842         PR target/67278
10843         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10844
10845 2016-03-02  Richard Biener  <rguenther@suse.de>
10846
10847         PR middle-end/67278
10848         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10849
10850 2016-03-02  Marek Polacek  <polacek@redhat.com>
10851
10852         PR c/67854
10853         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10854         "is promoted to" warning.
10855
10856 2016-03-01  DJ Delorie  <dj@redhat.com>
10857
10858         * config.gcc: Deprecate mep-*.
10859
10860 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
10861
10862         PR middle-end/70025
10863         * lra-constraints.c (regno_val_use_in): New.
10864         (match_reload): Use it instead of regno_use_in.
10865
10866 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10867
10868         PR rtl-optimization/70007
10869         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10870         references present in REG_EQUAL notes attached to non-SET patterns.
10871
10872 2016-03-01  Jeff Law  <law@redhat.com>
10873
10874         PR tree-optimization/69196
10875         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10876         Appropriately clamp the number of statements to copy when the
10877         thread path does not traverse a loop backedge.
10878
10879         PR tree-optimization/69196
10880         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10881         Do count some PHIs in the thread path against the insn count.  Decrease
10882         final statement count by one as the control statement in the last
10883         block will get removed.  Remove special cased code for handling PHIs
10884         in the last block.
10885
10886 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
10887
10888         PR target/70027
10889         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10890         asm dialect alternatives to explicit GOTPCREL calls.
10891
10892 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10893
10894         PR ada/70017
10895         * ira.c (do_reload): Issue warning for generic stack checking here...
10896         * reload1.c (reload): ...instead of here and streamline it.
10897
10898 2016-03-01  Nick Clifton  <nickc@redhat.com>
10899
10900         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
10901
10902 2016-03-01  Richard Biener  <rguenther@suse.de>
10903
10904         PR tree-optimization/69983
10905         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
10906         types and fall back to operand_equal_p.
10907
10908 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10909
10910         Revert
10911         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10912
10913         * config/s390/constraints.md ("jm8"): New constraint.
10914         * config/s390/predicates.md ("const_int_8bitset_operand"): New
10915         predicate.
10916         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
10917         into ...
10918         ("*setmem_long<setmem_and>"): New pattern.
10919         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
10920         into ...
10921         ("*setmem_long_31z<setmem_and>"): New pattern.
10922         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
10923         New substitution rules with the required attributes.
10924
10925
10926 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10927
10928         Revert
10929         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10930
10931         * gensupport.c (process_substs_on_one_elem): Split loop to
10932         complete mark_operands_used_in_match_dup on all expressions in the
10933         vector first.
10934         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10935         and remove function.
10936
10937 2016-03-01  Richard Biener  <rguenther@suse.de>
10938
10939         PR middle-end/70022
10940         * fold-const.c (fold_indirect_ref_1): Fix range checking for
10941         vector BIT_FIELD_REF extract.
10942
10943 2016-03-01  Richard Biener  <rguenther@suse.de>
10944
10945         PR tree-optimization/69994
10946         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
10947
10948 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
10949
10950         PR tree-optimization/69956
10951         * tree-vect-stmts.c (supportable_widening_operation): Support
10952         multi-step conversion of boolean vectors.
10953         (supportable_narrowing_operation): Likewise.
10954
10955 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10956
10957         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
10958         anymore.
10959
10960 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10961
10962         * config/s390/subst.md (DSI_VI): New mode iterator.
10963         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
10964         * config/s390/vector.md ("vec_set<mode>"): Move expander before
10965         the insn definition.
10966         ("*vec_set<mode>"): Change predicate and add alternative to
10967         support only either register or const_int operands as element
10968         selector.
10969         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
10970         operands.
10971         ("vec_extract<mode>"): New expander.
10972         ("*vec_extract<mode>"): New insn definition supporting reg and
10973         const_int element selectors.
10974         ("*vec_extract<mode>_plus"): New insn definition supporting
10975         reg+const_int element selectors.
10976         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
10977         following expander+insn definition.
10978         ("<vec_shifts_name><mode>3"): New expander.
10979         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
10980
10981 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10982
10983         * config/s390/s390.md ("*tabort_1"): Change predicate to
10984         nonmemory_operand.  Add a second alternative to cover
10985         register as well as const int operands.
10986         ("*tabort_1_plus"): New pattern definition.
10987
10988 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10989
10990         * config/s390/s390.md ("*ashrdi3_cc_31")
10991         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
10992         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
10993         Merge insn definitions into ...
10994         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10995         New pattern definition.
10996         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
10997         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
10998         ("*ashr<mode>3_and"): Merge insn definitions into ...
10999         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
11000         New pattern definition.
11001         * config/s390/subst.md ("addr_style_op_cc_subst")
11002         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
11003         substitutions patterns plus attributes.
11004         Add ashiftrt to SUBST iterator.
11005
11006 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11007
11008         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
11009         op2 to nonmemory_operand.
11010         ("*<shift>di3_31", "*<shift>di3_31_and"):
11011         Merge into single pattern definition ...
11012         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
11013         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
11014         pattern definition ...
11015         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
11016         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
11017         iterator.
11018
11019 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11020
11021         * config/s390/predicates.md (const_int_6bitset_operand): New
11022         predicate.
11023         * config/s390/s390.md: Include subst.md.
11024         ("rotl<mode>3"): New expander.
11025         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
11026         ...
11027         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
11028         * config/s390/subst.md: New file.
11029
11030 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11031
11032         * config/s390/s390.md ("op_type", "atype", "length" attributes):
11033         Remove RRR type.  It doesn't really exist.
11034         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
11035         attributes.
11036         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
11037         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
11038         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
11039         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
11040         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
11041         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
11042         `enabled' attribute.
11043
11044 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11045
11046         * gensupport.c (process_substs_on_one_elem): Split loop to
11047         complete mark_operands_used_in_match_dup on all expressions in the
11048         vector first.
11049         (adjust_operands_numbers): Inline into process_substs_on_one_elem
11050         and remove function.
11051
11052 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11053
11054         PR target/69706
11055         * config/sparc/sparc.c (NWORDS_UP): Rename to...
11056         (CEIL_NWORDS): ...this.  Use CEIL macro.
11057         (compute_fp_layout): Adjust to above renaming.
11058         (function_arg_union_value): Likewise.
11059         (sparc_arg_partial_bytes): Likewise.
11060         (sparc_function_arg_advance): Likewise.
11061
11062 2016-02-29  Jeff Law  <law@redhat.com>
11063
11064         PR tree-optimization/70005
11065         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
11066         where an object with a boolean range is compared against a value
11067         outside [0..1].
11068
11069         PR tree-optimization/69999
11070         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
11071         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
11072         loop cleanups.
11073
11074 2016-02-29  Richard Biener  <rguenther@suse.de>
11075
11076         PR tree-optimization/69994
11077         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
11078         (get_unary_op): Look through nop conversions.
11079         (ops_equal_values_p): New function, look for equality diregarding
11080         nop conversions.
11081         (eliminate_plus_minus_pair): Use ops_equal_values_p
11082         (repropagate_negates): Do not use get_unary_op here.
11083
11084 2016-02-29  Martin Liska  <mliska@suse.cz>
11085
11086         * system.h: Poison ENABLE_CHECKING macro.
11087
11088 2016-02-29  Martin Liska  <mliska@suse.cz>
11089
11090         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
11091         is presented in dump flags.
11092         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11093         (hsa_regalloc): Likewise.
11094
11095 2016-02-19  Richard Biener  <rguenther@suse.de>
11096
11097         PR tree-optimization/69980
11098         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
11099         permutation of those we need to keep.
11100
11101 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11102
11103         PR target/69706
11104         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11105         (NWORDS_UP): ...this
11106         (init_cumulative_args): Minor tweaks.
11107         (sparc_promote_function_mode): Likewise.
11108         (scan_record_type): Delete.
11109         (traverse_record_type): New function template.
11110         (classify_data_t): New structure type.
11111         (classify_registers): New inline function.
11112         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11113         exhausted.  Instantiate traverse_record_type on classify_registers and
11114         deal with the case of a structure passed in slot #15 with no FP field
11115         in the first word.
11116         (assign_data_t): New structure type.
11117         (compute_int_layout): New static function.
11118         (compute_fp_layout): Likewise.
11119         (count_registers): New inline function.
11120         (assign_int_registers): New static function.
11121         (assign_fp_registers): Likewise.
11122         (assign_registers): New inline function.
11123         (function_arg_record_value_1): Delete.
11124         (function_arg_record_value_2): Likewise.
11125         (function_arg_record_value_3): Likewise.
11126         (function_arg_record_value): Adjust to above changes.  Instantiate
11127         traverse_record_type on count_registers to first count the number of
11128         registers to be used and then on assign_registers to assign them.
11129         (function_arg_union_value): Adjust to above renaming.
11130         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11131         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11132         case of a structure passed in slot #15
11133         (sparc_function_arg_advance): Likewise.
11134         (function_arg_padding): Minor tweak.
11135
11136 2016-02-29  Richard Biener  <rguenther@suse.de>
11137
11138         PR tree-optimization/69720
11139         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11140         the adjustment_def path for possibly vectorized defs.
11141         (vect_create_epilog_for_reduction): Handle vectorized initial
11142         defs properly.
11143
11144 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11145
11146         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11147
11148 2016-02-27  Jeff Law  <law@redhat.com>
11149
11150         Revert
11151         2016-02-26  Richard Biener  <rguenther@suse.de>
11152                     Jeff Law  <law@redhat.com>
11153
11154         PR tree-optimization/69740
11155         * cfghooks.c (remove_edge): Request loop fixups if we delete
11156         an edge that might turn an irreducible loop into a natural
11157         loop.
11158
11159 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11160
11161         PR rtl-optimization/69896
11162         * tree-vect-generic.c (get_compute_type): Avoid single element
11163         vector types.
11164
11165 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11166
11167         Rename the AArch64 tuning option and related functions to enable the
11168         Newton series for the reciprocal square root to reflect its
11169         approximative characteristic.
11170
11171         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11172         function to "aarch64_emit_approx_rsqrt".
11173         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11174         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11175         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11176         (xgene1_tunings): Likewise.
11177         (use_rsqrt_p): Likewise.
11178         (aarch64_emit_swrsqrt): Use new function name.
11179         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11180         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11181         text explaining this option.
11182         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11183
11184 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11185
11186         PR target/69969
11187         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11188         complain about -mallow-movmisalign without -mvsx if
11189         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11190
11191 2016-02-26  Joel Sherrill  <joel@rtems.org>
11192
11193         * config.gcc: Add x86_64-*-rtems*.
11194         * config/i386/rtems-64.h: New file.
11195
11196 2016-02-26  Joel Sherrill  <joel@rtems.org>
11197
11198         * config.gcc: Add aarch64-*-rtems*.
11199         * config/aarch64/rtems.h: New file.
11200
11201 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11202
11203         PR target/69946
11204         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11205         shift amount using %h.  Add comment.
11206
11207 2016-02-26  Richard Biener  <rguenther@suse.de>
11208             Jeff Law  <law@redhat.com>
11209
11210         PR tree-optimization/69740
11211         * cfghooks.c (remove_edge): Request loop fixups if we delete
11212         an edge that might turn an irreducible loop into a natural
11213         loop.
11214
11215 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11216
11217         PR middle-end/69920
11218         * tree-sra.c (sra_modify_assign): Do not remove loads of
11219         uninitialized aggregates to SSA_NAMEs.
11220
11221 2016-02-26  Richard Henderson  <rth@redhat.com>
11222
11223         PR target/69709
11224         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11225         pseudo in case the target rtx matches the source of the left
11226         shift.
11227
11228 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11229
11230         PR hsa/69568
11231         * hsa.h (hsa_type_packed_p): Declare.
11232         * hsa.c (hsa_type_packed_p): New function.
11233         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11234         loads.
11235         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11236         * hsa-brig.c (emit_basic_insn): Likewise.
11237
11238 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11239
11240         pr hsa/69674
11241         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11242         pointers.
11243         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11244
11245 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11246
11247         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11248         hsa_op_with_type operands.
11249         (hsa_unsigned_type_for_type): Declare.
11250         * hsa.c (hsa_unsigned_type_for_type): New function.
11251         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11252         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11253         the finalizer.  Do not emit extra move.
11254
11255 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11256
11257         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11258         atomic operations in private segment.
11259
11260 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11261
11262         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11263         statements to wi->info.  Also disallow omp simd constructs.
11264         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11265         for not gridifying.  Dump special string for omp_for.
11266
11267 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11268
11269         PR target/69245
11270         * config/aarch64/aarch64.c (aarch64_set_current_function):
11271         Save/restore target globals when switching to
11272         target_option_default_node.
11273
11274 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11275
11276         PR target/69613
11277         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11278         Return 0 if !SHIFT_COUNT_TRUNCATED.
11279
11280 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11281             Eric Botcazou  <ebotcazou@adacore.com>
11282
11283         PR rtl-optimization/69891
11284         * dse.c (scan_insn): If we can't figure out memset arguments
11285         or they are non-constant, call clear_rhs_from_active_local_stores.
11286
11287 2016-02-26  Martin Liska  <mliska@suse.cz>
11288
11289         * doc/extend.texi: Mention clog10, clog10f an clog10l
11290         in Builtins section.
11291
11292 2016-02-26  Martin Liska  <mliska@suse.cz>
11293
11294         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11295         CHECKING_P.
11296         (resolve_args_picking_1): Likewise.
11297         * dwarf2out.h (struct GTY): Likewise.
11298
11299 2016-02-26  Martin Liska  <mliska@suse.cz>
11300
11301         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11302         with flag_checking.
11303         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11304
11305 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11306             Martin Liska  <mliska@suse.cz>
11307
11308         * doc/install.texi: Mention --enable-valgrind-annotations.
11309
11310 2016-02-26  Richard Biener  <rguenther@suse.de>
11311
11312         PR tree-optimization/69551
11313         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11314         looking through aliases adjust DECL_PT_UID to refer to the
11315         ultimate alias target.
11316
11317 2016-02-25  Martin Liska  <mliska@suse.cz>
11318
11319         PR middle-end/69919
11320         * alloc-pool.c (after_memory_report): New variable.
11321         * alloc-pool.h (base_pool_allocator ::release): Do not use
11322         the infrastructure if after_memory_report.
11323         * toplev.c (toplev::main): Mark after memory report.
11324
11325 2016-02-25  Richard Biener  <rguenther@suse.de>
11326
11327         PR tree-optimization/48795
11328         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11329
11330 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11331
11332         PR driver/68463
11333         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11334         offloading is enabled and -fopenacc or -fopenmp is specified.
11335         (CRTOFFLOADEND): Likewise.
11336         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11337         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11338         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11339         (offload_objects_file_name): New static var.
11340         (tool_cleanup): Remove offload_objects_file_name file.
11341         (find_offloadbeginend): Replace with ...
11342         (find_crtoffloadtable): ... this.
11343         (run_gcc): Remove offload_argc and offload_argv.
11344         Get offload_objects_file_name from -foffload-objects=... option.
11345         Read names of object files with offload from this file, pass them to
11346         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11347         don't pass offloadbegin and offloadend to the linker.  Don't pass
11348         offload non-LTO files to the linker, because now they're not claimed.
11349
11350 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11351
11352         PR ipa/69630
11353         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11354         on builtin_unreachable.
11355
11356 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11357
11358         PR rtl-optimization/69896
11359         * regcprop.c: Include cfgrtl.h.
11360         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11361         than remembered mode, either delete it (if noop_move_p), or
11362         treat like copy_p but not noop_p instruction.
11363
11364 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11365
11366         PR debug/69705
11367         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11368         - allow NULL decl for Fortran DW_TAG_common_block variables.
11369
11370 2016-02-24  Jason Merrill  <jason@redhat.com>
11371
11372         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11373
11374 2016-02-24  Richard Biener  <rguenther@suse.de>
11375             Jakub Jelinek  <jakub@redhat.com>
11376
11377         PR middle-end/69760
11378         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11379         conditionally executed ops to well-defined overflow behavior.
11380
11381 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11382
11383         PR middle-end/69915
11384         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11385         elements.
11386
11387 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11388
11389         PR rtl-optimization/69886
11390         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11391         argument.  Use it when checking validity of set instructions.
11392         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11393         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11394         callsite.
11395         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11396         * store-motion.c (find_moveable_store): Update
11397         can_assign_to_reg_without_clobbers_p callsite.
11398
11399 2016-02-24  Richard Biener  <rguenther@suse.de>
11400
11401         PR middle-end/68963
11402         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11403         bogus check.
11404         (record_nonwrapping_iv): Do not fall back to the low/high bound
11405         for non-constant IV bases if the stmt is not always executed.
11406
11407 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11408
11409         * config/arm/arm-cores.def (cortex-a32): New entry.
11410         * config/arm/arm-tables.opt: Regenerate.
11411         * config/arm/arm-tune.md: Regenerate.
11412         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11413         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11414         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11415         for -mcpu and -mtune.
11416
11417 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11418
11419         PR target/69875
11420         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11421         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11422         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11423         (atomic_loaddi_1): Delete.
11424         (atomic_loaddi): Rewrite expander using the above changes.
11425
11426 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11427
11428         PR c/69918
11429         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11430         2 to 3.
11431
11432 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11433             Richard Biener  <rguenth@suse.de>
11434
11435         PR middle-end/69909
11436         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11437         set_mem_attributes if tem is SSA_NAME which got expanded
11438         as a MEM.
11439
11440 2016-02-24  Richard Biener  <rguenther@suse.de>
11441
11442         PR tree-optimization/69907
11443         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11444         end of permutations for BB vectorization.
11445
11446 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11447
11448         * config/arm/arm-c.c (arm_option_override): Initialize
11449         target_option_current_node.
11450         * config/arm/arm.c (arm_pragma_target_parse): Replace
11451         build_target_option_node call by target_option_current_node.
11452         Set target_option_current_node.
11453         Fix comments.
11454
11455 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11456
11457         PR target/69810
11458         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11459         define_insn_and_split to define_insn.
11460         (zero_extendqi<mode>2_dot2): Same.
11461         (extendqi<mode>2_dot): Same.
11462         (extendqi<mode>2_dot2): Same.
11463
11464 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11465
11466         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11467         and add bypass for AES{D,E} and AESMC pairs.
11468         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11469         and AESMC pairs.
11470
11471 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11472
11473         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11474         series for reciprocal square root in Exynos M1.
11475
11476 2016-02-23  Martin Sebor  <msebor@redhat.com>
11477
11478         PR c/69759
11479         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11480         __builtin_alloca_with_align.
11481
11482 2016-02-23  Richard Henderson  <rth@redhat.com>
11483
11484         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11485         (ix86_register_pragmas): Remove __seg_tls.
11486         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11487         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11488         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11489         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11490         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11491         * doc/extend.texi (__seg_tls): Remove item.
11492
11493 2016-02-23  Richard Biener  <rguenther@suse.de>
11494
11495         * alloc-pool.h (struct allocation_object): Make id member
11496         conditional on CHECKING_P again.
11497         (get_instance): Adjust.
11498         (base_pool_allocator): Likewise.
11499
11500 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11501
11502         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11503         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11504         zero.
11505         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11506         flag_openacc.
11507         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11508
11509 2016-02-23  Richard Biener  <rguenther@suse.de>
11510
11511         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11512         * bitmap.h (struct bitmap_usage): Likewise.
11513         (bitmap_move): Declare.
11514         * bitmap.c (register_overhead): Take size_t argument.
11515         (bitmap_move): New function.
11516         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11517         to properly account overhead.
11518         * tree.c (free_node): Use tree_size.
11519
11520 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11521
11522         PR c++/69902
11523         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11524         when inverting comparison.
11525
11526         PR c/69900
11527         * common.opt (Wunreachable-code): Add Warning flag.
11528
11529 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11530             Jakub Jelinek  <jakub@redhat.com>
11531
11532         PR c/69911
11533         * cgraphunit.c (check_global_declaration): Check main_input_filename
11534         and DECL_SOURCE_FILE are not NULL.
11535
11536 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11537
11538         PR tree-optimization/69666
11539         * tree-sra.c (sra_modify_assign): Do not attempt to create
11540         default_def replacements for unscalarizable regions.
11541
11542 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11543
11544         PR c/28901
11545         * cgraphunit.c (check_global_declaration): Check level of
11546         warn_unused_const_variable and main_input_filename.
11547         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11548         (-Wunused-variable): For C implies -Wunused-const-variable=1.
11549         (-Wunused-const-variable): Explain levels 1 and 2.
11550
11551 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11552
11553         PR target/69888
11554         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11555         identical arguments.  Formatting and spelling fixes.
11556
11557         PR target/69885
11558         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11559         be specified.
11560
11561         PR target/69894
11562         PR target/69895
11563         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11564         and m68k-devices.def.
11565         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11566         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11567
11568 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
11569
11570         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11571         and HImode registers.
11572
11573 2016-02-22  Richard Biener  <rguenther@suse.de>
11574
11575         PR tree-optimization/69882
11576         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11577         preserve permutations present because of gaps.
11578         (vect_supported_load_permutation_p): Always continue checking
11579         permutations after vect_attempt_slp_rearrange_stmts.
11580
11581 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
11582
11583         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11584         min_profitable_estimate, rather than min_profitable_iters.
11585
11586 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11587
11588         PR target/69885
11589         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11590         SImode for last match_operand.
11591
11592 2016-02-22  Martin Liska  <mliska@suse.cz>
11593
11594         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11595         return bitsize - 1 as the return value.
11596
11597 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
11598
11599         PR target/69806
11600         PR target/54089
11601         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11602         Handle negative shift counts.
11603         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11604         force_reg on the shift constant.
11605         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
11606         (lshrsi3_d): Handle negative shift counts.
11607
11608 2016-02-22  Richard Biener  <rguenther@suse.de>
11609             Tom de Vries  <tom@codesourcery.com>
11610
11611         * graph.c: Include dumpfile.h.
11612         (print_graph_cfg): Split into three overloads.
11613         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11614
11615 2016-02-22  Tom de Vries  <tom@codesourcery.com>
11616
11617         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11618         dump-fn.
11619
11620 2016-02-22  Richard Biener  <rguenther@suse.de>
11621
11622         PR ipa/37448
11623         * ipa-inline-transform.c (inline_call): When not updating
11624         overall summaries adjust self size by the growth estimate.
11625         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11626         hash-set, do not update overall summaries here.  Renamed from ...
11627         (inline_to_all_callers): ... this which is now wrapping the
11628         above and performing delayed overall summary update.
11629         (early_inline_small_functions): Delay updating of the overall
11630         summary.
11631
11632 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
11633
11634         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11635         variable.
11636
11637 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11638
11639         PR driver/69805
11640         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11641         :%* in %:gt() argument.
11642         (greater_than_spec_func): Adjust for expecting only numbers,
11643         if there are more than two numbers, compare the last two.
11644
11645 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
11646
11647         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11648         -Wnarrowing with -std.
11649
11650 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11651
11652         PR c++/69851
11653         * expr.c (store_field): Don't use bit-field path if exp is
11654         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11655         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11656         and the assignment can be performed by bitwise copy.  Formatting
11657         fix.
11658
11659         PR middle-end/69838
11660         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11661         call copy_reg_eh_region_note_forward on before and/or after sequences
11662         and remove note from insn if it no longer can throw.
11663
11664         PR target/69820
11665         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11666         if TARGET_AVX512BW.
11667
11668 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11669
11670         * config/s390/vector.md: Add missing commutative operand markers
11671         to the patterns which qualify for one.
11672         * config/s390/vx-builtins.md: Likewise.
11673
11674 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11675
11676         * config/s390/vector.md (VI, VI_QHS): Add single element vector
11677         types to mode iterators.
11678         (vec_double): ... and mode attribute.
11679         * config/s390/vx-builtins.md (non_vec_int): Likewise.
11680
11681 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11682
11683         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11684         Change the predicate of op2 from nonimmediate to general and let
11685         reload fix it if necessary.
11686
11687 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11688
11689         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11690
11691 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11692
11693         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11694         mode.
11695
11696 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11697
11698         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11699         * config/s390/s390.c (s390_expand_vec_movstr): New function.
11700         * config/s390/s390.md ("movstr<P:mode>"): Call
11701         s390_expand_vec_movstr.
11702
11703 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11704
11705         * config/s390/s390.md: Add missing output modifier for operand 1
11706         to print it as address properly.
11707
11708 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11709
11710         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11711         * config/s390/2964.md: New file.
11712         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11713         of insn grouping attributes depending on the CPU level.
11714         (s390_get_unit_mask): New function.
11715         (s390_sched_score): Remove the OOO from the scheduling macros.
11716         Add loop to calculate a score for the instruction mix.
11717         (s390_sched_reorder): Likewise plus improve debug output.
11718         (s390_sched_variable_issue): Rename macros as above.  Calculate
11719         the unit distances after actually scheduling an insn.  Improve
11720         debug output.
11721         (s390_sched_init): Clear last_scheduled_unit_distance array.
11722         * config/s390/s390.md: Include 2964.md.
11723
11724 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11725
11726         PR target/69671
11727         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11728         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11729         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11730         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11731         *avx512f_<code>v8div16qi2_mask_1): New insns.
11732
11733 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11734
11735         PR target/68404
11736         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11737         2016-02-09 change.
11738
11739         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11740         earlyclobber from target.  Use wF constraint for fused memory
11741         address.
11742         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11743
11744 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11745             Martin Liska  <mliska@suse.cz>
11746
11747         PR sanitizer/69863
11748         * cfgexpand.c (asan_sanitize_stack_p): New function.
11749         (partition_stack_vars): Use the function.
11750         (expand_stack_vars): Likewise.
11751         (defer_stack_allocation): Likewise.
11752         (expand_used_vars): Likewise.
11753
11754 2016-02-18  Richard Biener  <rguenther@suse.de>
11755
11756         PR middle-end/69553
11757         * fold-const.c (operand_equal_p): Properly compare offsets for
11758         IMAGPART_EXPR and ARRAY_REF.
11759
11760 2016-02-18  Nick Clifton  <nickc@redhat.com>
11761
11762         PR target/62254
11763         PR target/69610
11764         * config/arm/arm.c (arm_option_override_internal): Disable
11765         interworking if the target does not support thumb instructions.
11766         (arm_reload_in_hi): Handle the case where a register to register
11767         move needs reloading because there is no simple pattern to handle
11768         it.
11769         (arm_reload_out_hi): Likewise.
11770
11771 2016-02-18  Richard Biener  <rguenther@suse.de>
11772
11773         PR middle-end/69854
11774         * match.pd: Don't use fold_binary or fold_unary for folding
11775         constants.
11776
11777 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
11778
11779         PR c++/69850
11780         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11781         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11782         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11783         warn on gimple_no_warning_p statements.
11784
11785 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
11786
11787         * doc/extend.texi (C++ Attributes): Correct description of
11788         warn_unused type attribute.
11789
11790 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11791
11792         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11793         correct instruction.
11794
11795 2016-02-17  Richard Biener  <rguenther@suse.de>
11796
11797         PR rtl-optimization/69609
11798         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11799         (find_traces_1_round): When ending a trace update cached priority
11800         of successors.
11801         (bb_to_key): Use cached priority when available.
11802         (copy_bb): Initialize cached priority.
11803         (reorder_basic_blocks_software_trace_cache): Likewise.
11804
11805 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11806
11807         PR target/69161
11808         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11809         New predicate.
11810         (aarch64_comparison_operator): Break overly long line into two.
11811         (aarch64_comparison_operation): Likewise.
11812         * config/aarch64/aarch64.md (cstorecc4): Use
11813         aarch64_comparison_operator_mode instead of
11814         aarch64_comparison_operator.
11815         (cstore<mode>4): Likewise.
11816         (aarch64_cstore<mode>): Likewise.
11817         (*cstoresi_insn_uxtw): Likewise.
11818         (cstore<mode>_neg): Likewise.
11819         (*cstoresi_neg_uxtw): Likewise.
11820
11821 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11822
11823         PR target/69161
11824         * config/arm/predicates.md (arm_comparison_operator_mode):
11825         New predicate.
11826         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11827         instead of arm_comparison_operator.
11828         (*mov_negscc): Likewise.
11829         (*mov_notscc): Likewise.
11830         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11831         (*thumb2_mov_negscc): Likewise.
11832         (*thumb2_mov_negscc_strict_it): Likewise.
11833         (*thumb2_mov_notscc): Likewise.
11834         (*thumb2_mov_notscc_strict_it): Likewise.
11835
11836 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
11837
11838         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11839         Add missing return.
11840
11841 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
11842
11843         * config/visium/visium.c (machine_libfunc_index): New enum.
11844         (machine_libfuncs): New structure.
11845         (visium_libfuncs): New static variable.
11846         (TARGET_INIT_LIBFUNCS): Define to...
11847         (visium_init_libfuncs): ...this.  New function.
11848         (expand_block_move_4): Use the appropriate libfunc.
11849         (expand_block_move_2): Likewise.
11850         (expand_block_move_1): Likewise.
11851         (expand_block_set_4): Likewise.
11852         (expand_block_set_2): Likewise.
11853         (expand_block_set_1): Likewise.
11854         (visium_trampoline_init): Likewise.
11855
11856 2016-02-17  Nick Clifton  <nickc@redhat.com>
11857
11858         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11859         TI's devices.csv file as of March 2016.
11860
11861 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11862
11863         PR Target/48344
11864         * opts-global.c (handle_common_deferred_options): Introduce and
11865         initialize two global variables to remember command-line options
11866         specifying a stack-limiting register.
11867         * opts.h: Add extern declarations of the two new global variables.
11868         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11869         variable based on the values of the two new global variables.
11870
11871 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11872
11873         PR c/69835
11874         * common.opt (Wnonnull-compare): New warning.
11875         * doc/invoke.texi (-Wnonnull): Remove text about comparison
11876         of arguments against NULL.
11877         (-Wnonnull-compare): Document.
11878         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11879         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11880         * passes.def (pass_warn_nonnull_compare): Add.
11881         * gimple-ssa-nonnull-compare.c: New file.
11882
11883 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11884
11885         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11886         AARCH64_EXTRA_TUNE_RECIP_SQRT.
11887
11888 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11889
11890         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11891         reciprocal sqrt for -mlow-precision-recip-sqrt.
11892
11893 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11894             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11895
11896         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
11897         always use lane loads to construct non-constant vectors.
11898
11899 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11900
11901         * config/aarch64/aarch64.md
11902         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
11903         constraints for operand 3.
11904         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
11905
11906 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11907             Richard Biener  <rguenther@suse.de>
11908
11909         PR tree-optimization/69820
11910         * tree-vect-patterns.c (type_conversion_p): Return false if
11911         *orig_type is unsigned single precision or boolean.
11912         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
11913         Formatting fix.
11914
11915 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11916
11917         PR rtl-optimization/69764
11918         PR rtl-optimization/69771
11919         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
11920         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
11921
11922 2016-02-16  Richard Biener  <rguenther@suse.de>
11923
11924         PR tree-optimization/69776
11925         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
11926         sets from caller.
11927         (indirect_refs_may_alias_p): Likewise.
11928         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
11929         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
11930         according to tbaa_p.
11931         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
11932         (optimize_stmt): For redundant store discovery do not allow tbaa.
11933
11934 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
11935
11936         PR tree-optimization/69714
11937         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
11938         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
11939
11940 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
11941
11942         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
11943         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
11944         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
11945         * config/arc/arc.c (arc_init): Check FPU options.
11946         (get_arc_condition_code): Handle new CC_FPU* modes.
11947         (arc_select_cc_mode): Likewise.
11948         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
11949         register pair only. Allow access for ARCv2 accumulator.
11950         (gen_compare_reg): Whenever we have FPU support use FPU compare
11951         instructions.
11952         (arc_reorg): Don't generate brcc insns when FPU compare
11953         instructions are involved.
11954         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
11955         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
11956         floating point emulation.
11957         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
11958         (REVERSE_CONDITION): Add new CC_FPU* modes.
11959         (TARGET_FP_SP_BASE): Define.
11960         (TARGET_FP_DP_BASE): Likewise.
11961         (TARGET_FP_SP_FUSED): Likewise.
11962         (TARGET_FP_DP_FUSED): Likewise.
11963         (TARGET_FP_SP_CONV): Likewise.
11964         (TARGET_FP_DP_CONV): Likewise.
11965         (TARGET_FP_SP_SQRT): Likewise.
11966         (TARGET_FP_DP_SQRT): Likewise.
11967         (TARGET_FP_DP_AX): Likewise.
11968         * config/arc/arc.md (ARCV2_ACC): New constant.
11969         (type): New fpu type attribute.
11970         (SDF): Conditional iterator.
11971         (cstore<mode>, cbranch<mode>): Change expand condition.
11972         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
11973         handles FPU/FPX cases as well.
11974         * config/arc/arc.opt (mfpu): New option.
11975         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
11976         Renamed.
11977         (adddf3, muldf3, subdf3): Removed.
11978         * config/arc/predicates.md (proper_comparison_operator): Recognize
11979         CC_FPU* modes.
11980         * config/arc/fpu.md: New file.
11981         * doc/invoke.texi (ARC Options): Document mfpu option.
11982
11983 2016-02-16  Richard Biener  <rguenther@suse.de>
11984
11985         PR rtl-optimization/69291
11986         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
11987         noce_operand_ok check.
11988
11989 2016-02-16  Tom de Vries  <tom@codesourcery.com>
11990
11991         PR lto/67709
11992         * omp-low.c (simd_clone_create): Remove call to
11993         symtab->call_cgraph_insertion_hooks.
11994
11995 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11996
11997         PR tree-optimization/69802
11998         * tree-ssa-reassoc.c (update_range_test): If op is
11999         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
12000         op == 1 test of precision 1 integral op, otherwise handle
12001         that case as op itself.  Fix up formatting.
12002         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
12003         up formatting.
12004
12005 2016-02-16  Richard Biener  <rguenther@suse.de>
12006
12007         PR tree-optimization/69586
12008         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
12009         types for conversion sources.
12010
12011 2016-02-16  Richard Biener  <rguenther@suse.de>
12012
12013         PR middle-end/69801
12014         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
12015         mask OEP_ADDRESS_OF.
12016
12017 2016-02-16  Alan Modra  <amodra@gmail.com>
12018
12019         PR target/68973
12020         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
12021         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
12022         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
12023         (p8_mtvsrwz): New.
12024         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
12025         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
12026         (p8_fmrgow_<mode>): Likewise.
12027         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
12028         changes.
12029         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
12030         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
12031         to use movdi_internal64.  Remove op0_di.
12032         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
12033
12034 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
12035
12036         Add support for the FCCMP insn types
12037
12038         * config/aarch64/aarch64.md (fccmp): Change insn type.
12039         (fccmpe): Likewise.
12040         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
12041         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
12042         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
12043         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
12044         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
12045         * config/arm/types.md (fccmps): Add new insn type.
12046         (fccmpd): Likewise.
12047
12048 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
12049
12050         * alias.c (get_alias_set): Fix a typo in comment.
12051
12052 2016-02-15  Richard Biener  <rguenther@suse.de>
12053
12054         PR tree-optimization/69595
12055         * match.pd: Complete range test simplification to true.
12056
12057 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
12058
12059         PR rtl-optimization/69648
12060         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
12061         pic_offset_table_rtx.
12062
12063         PR rtl-optimization/69752
12064         * ira.c (update_equiv_regs): When looking for more than a single SET,
12065         also take other side effects into account.
12066
12067 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12068
12069         * config/s390/s390.c (s390_function_profiler): Add a new sequence
12070         for z900+ CPUs in 31-bit mode.
12071
12072 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
12073
12074         * common/config/s390/s390-common.c (s390_supports_split_stack):
12075         New function.
12076         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
12077         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
12078         * config/s390/s390.c (struct machine_function): New field
12079         split_stack_varargs_pointer.
12080         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
12081         in s390_emit_prologue.
12082         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
12083         vararg pointer.
12084         (morestack_ref): New global.
12085         (SPLIT_STACK_AVAILABLE): New macro.
12086         (s390_expand_split_stack_prologue): New function.
12087         (s390_live_on_entry): New function.
12088         (s390_va_start): Use split-stack vararg pointer if appropriate.
12089         (s390_asm_file_end): Emit the split-stack note sections.
12090         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
12091         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
12092         (UNSPECV_SPLIT_STACK_CALL): New unspec.
12093         (UNSPECV_SPLIT_STACK_DATA): New unspec.
12094         (split_stack_prologue): New expand.
12095         (split_stack_space_check): New expand.
12096         (split_stack_data): New insn.
12097         (split_stack_call): New expand.
12098         (split_stack_call_*): New insn.
12099         (split_stack_cond_call): New expand.
12100         (split_stack_cond_call_*): New insn.
12101
12102 2016-02-15  Richard Biener  <rguenther@suse.de>
12103
12104         PR tree-optimization/69783
12105         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12106         Add trivially correct cases.
12107
12108 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12109
12110         PR lto/69655
12111         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12112         do_force_output.
12113         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12114
12115 2016-02-15  Richard Biener  <rguenther@suse.de>
12116
12117         PR tree-optimization/69776
12118         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12119         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12120         indicate whether we can use TBAA to disambiguate against stores.
12121         Use alias-set zero if not.
12122         (visit_reference_op_store): Do not use TBAA when looking up
12123         redundant stores.
12124         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12125         (eliminate_dom_walker::before_dom_children): But not when looking
12126         up redundant stores.
12127
12128 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12129
12130         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12131
12132 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12133
12134         *  config/i386/znver1.md
12135         (znver1_pop, znver1_pop_mem,
12136         znver1_load_imov_double_store,
12137         znver1_load_imov_direct_store,
12138         znver1_load_imov_direct_load,
12139         znver1_load_imov_double_load): Add new.
12140         (znver1_insn, znver1_insn_load): Add icmov type.
12141         (znver1_sseavx_fma,
12142         znver1_sseavx_fma_load,
12143         znver1_avx256_fma,
12144         znver1_avx256_fma_load): Fix pipe usage.
12145
12146 2016-02-14  Alan Modra  <amodra@gmail.com>
12147
12148         PR target/68973
12149         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12150         with an invalid hard reg, reload just the reg not the entire
12151         pre/post-inc/dec address expression.
12152
12153 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12154
12155         PR target/67260
12156         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12157         fixed R1_REG scratch reg.
12158         (sibcall_value_pcrel_fdpic): Likewise.
12159
12160 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12161
12162         PR target/67636
12163         PR target/64345
12164         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12165
12166 2016-02-12  Walter Lee  <walt@tilera.com>
12167
12168         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12169         * config/tilegx/t-tilegx: Likewise.
12170
12171 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12172
12173         PR other/69554
12174         * diagnostic-show-locus.c (struct line_span): New struct.
12175         (layout::get_first_line): Delete.
12176         (layout::get_last_line): Delete.
12177         (layout::get_num_line_spans): New member function.
12178         (layout::get_line_span): Likewise.
12179         (layout::print_heading_for_line_span_index_p): Likewise.
12180         (layout::get_expanded_location): Likewise.
12181         (layout::calculate_line_spans): Likewise.
12182         (layout::m_first_line): Delete.
12183         (layout::m_last_line): Delete.
12184         (layout::m_line_spans): New field.
12185         (layout::layout): Update comment.  Replace m_first_line and
12186         m_last_line with m_line_spans, replacing their initialization
12187         with a call to calculate_line_spans.
12188         (diagnostic_show_locus): When printing source lines and
12189         annotations, rather than looping over a single span
12190         of lines, instead loop over each line_span within
12191         the layout, with an inner loop over the lines within them.
12192         Call the context's start_span callback when changing line spans.
12193         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12194         (diagnostic_build_prefix): Break out the building of the location
12195         part of the string into...
12196         (diagnostic_get_location_text): ...this new function, rewriting
12197         it from nested ternary expressions to a sequence of "if"
12198         statements.
12199         (default_diagnostic_start_span_fn): New function.
12200         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12201         (diagnostic_context::start_span): New field.
12202         (default_diagnostic_start_span_fn): New prototype.
12203
12204 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12205
12206         PR driver/69779
12207         * gcc.c (driver::finalize): Fix cleanup of "specs".
12208
12209 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12210
12211         PR driver/69265
12212         PR driver/69453
12213         * gcc.c (driver::driver): Initialize m_option_suggestions.
12214         (driver::~driver): Clean up m_option_suggestions.
12215         (suggest_option): Convert to...
12216         (driver::suggest_option): ...this, and split out into
12217         driver::build_option_suggestions and find_closest_string.
12218         (driver::build_option_suggestions): New function, from
12219         first half of suggest_option.  Special-case
12220         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12221         the sanitizer_opts array.  For options of enum types, add the
12222         various enum values to the candidate strings.
12223         (driver::handle_unrecognized_options): Remove "const".
12224         * gcc.h (driver::handle_unrecognized_options): Likewise.
12225         (driver::build_option_suggestions): New decl.
12226         (driver::suggest_option): New decl.
12227         (driver::m_option_suggestions): New field.
12228         * opts-common.c (add_misspelling_candidates): New function.
12229         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12230         and make non-static.
12231         * opts.h (sanitizer_opts): New array decl.
12232         (add_misspelling_candidates): New function decl.
12233         * spellcheck.c (find_closest_string): New function.
12234         * spellcheck.h (find_closest_string): New function decl.
12235
12236 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12237
12238         PR rtl-optimization/69764
12239         PR rtl-optimization/69771
12240         * optabs.c (expand_binop_directly): For shift_optab_p, force
12241         convert_modes with VOIDmode if xop1 has VOIDmode.
12242
12243 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12244
12245         PR target/69729
12246         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12247         to correctly determine instrumentation thunks.
12248
12249 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12250
12251         PR ipa/69241
12252         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12253         type by reference, force lhs on the call.
12254
12255         PR ipa/68672
12256         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12257         Compute retval and retbnd early in all cases if split_part_return_p
12258         and return_bb is not EXIT.  Remove all clobber stmts and reset
12259         all debug stmts that refer to SSA_NAMEs defined in split part,
12260         except if it is retval, in that case replace the old retval with the
12261         lhs of the call to the split part.
12262
12263 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12264
12265         revert:
12266         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12267
12268         PR middle-end/66726
12269         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12270         whose result is used in PHI.
12271         (maybe_optimize_range_tests): Likewise.
12272         (final_range_test_p): Likweise.
12273
12274 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12275
12276         PR middle-end/66726
12277         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12278         whose result is used in PHI.
12279         (maybe_optimize_range_tests): Likewise.
12280         (final_range_test_p): Likweise.
12281
12282 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12283
12284         * cgraph.c: Spelling fixes - behaviour -> behavior and
12285         neighbour -> neighbor.
12286         * target.def: Likewise.
12287         * sel-sched.c: Likewise.
12288         * config/mips/mips.c: Likewise.
12289         * config/arc/arc.md: Likewise.
12290         * config/arm/cortex-a57.md: Likewise.
12291         * config/arm/arm.c: Likewise.
12292         * config/arm/neon.md: Likewise.
12293         * config/arm/arm-c.c: Likewise.
12294         * config/vms/vms-c.c: Likewise.
12295         * config/s390/s390.c: Likewise.
12296         * config/i386/znver1.md: Likewise.
12297         * config/i386/i386.c: Likewise.
12298         * config/ia64/hpux-unix2003.h: Likewise.
12299         * config/msp430/msp430.md: Likewise.
12300         * config/rx/rx.c: Likewise.
12301         * config/rx/rx.md: Likewise.
12302         * config/aarch64/aarch64-simd.md: Likewise.
12303         * config/aarch64/aarch64.c: Likewise.
12304         * config/nvptx/nvptx.c: Likewise.
12305         * config/bfin/bfin.c: Likewise.
12306         * config/cris/cris.opt: Likewise.
12307         * config/rs6000/rs6000.c: Likewise.
12308         * target.h: Likewise.
12309         * spellcheck.c: Likewise.
12310         * ira-build.c: Likewise.
12311         * tree-inline.c: Likewise.
12312         * builtins.c: Likewise.
12313         * lra-constraints.c: Likewise.
12314         * explow.c: Likewise.
12315         * hwint.h: Likewise.
12316         * targhooks.c: Likewise.
12317         * tree-vect-data-refs.c: Likewise.
12318         * expr.c: Likewise.
12319         * doc/tm.texi: Likewise.
12320         * doc/extend.texi: Likewise.
12321         * doc/install.texi: Likewise.
12322         * doc/md.texi: Likewise.
12323         * tree-ssa-tail-merge.c: Likewise.
12324         * sched-int.h: Likewise.
12325         * match.pd: Likewise.
12326         * sched-ebb.c: Likewise.
12327         * target.def (omit_struct_return_reg): Likewise.
12328         * gimple-ssa-isolate-paths.c: Likewise.
12329         (find_implicit_erroneous_behaviour): Renamed to...
12330         (find_implicit_erroneous_behavior): ... this.
12331         (find_explicit_erroneous_behaviour): Renamed to...
12332         (find_explicit_erroneous_behavior): ... this.
12333         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12334
12335 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12336
12337         PR rtl-optimization/64682
12338         PR rtl-optimization/69567
12339         PR rtl-optimization/69737
12340         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12341         in I2 as well, just lose it.
12342
12343 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12344
12345         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12346         New variable.
12347         (aarch64_last_printed_tune_string): Likewise.
12348         (aarch64_declare_function_name): Only output .arch assembler
12349         directive if it will be different from the previously output
12350         directive.  Same for .tune comment but only if -dA is set.
12351         (aarch64_start_file): New function.
12352         (TARGET_ASM_FILE_START): Define.
12353
12354 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12355
12356         PR plugins/69758
12357         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12358
12359 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12360
12361         PR target/65313
12362         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12363         -Wmaybe-uninitialized warning.
12364
12365 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12366
12367         PR target/69713
12368         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12369
12370 2016-02-11  Richard Biener  <rguenther@suse.de>
12371
12372         PR rtl-optimization/69291
12373         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12374         subexpressions affected by changing the result.
12375
12376 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12377
12378         PR target/69148
12379         * lra-constraints.c (curr_insn_transform): Find in/out operands
12380         for secondary memory moves.  Update dups.
12381
12382 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12383
12384         PR tree-optimization/69652
12385         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12386         to nested loop, did source re-formatting, skip debug statements,
12387         add check on statement with volatile operand, remove dead scalar
12388         statements.
12389
12390 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12391             Patrick Palka  <ppalka@gcc.gnu.org>
12392
12393         PR ipa/69241
12394         PR c++/69649
12395         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12396         calls if the return type is TREE_ADDRESSABLE.
12397         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12398         * ipa-split.c (split_function): Fix doubled "we" in comment.
12399         Use void return type for the split part even if
12400         !split_point->split_part_set_retval.
12401
12402 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12403
12404         PR tree-optimization/68021
12405         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12406         when computing the value of biv cand by itself.
12407
12408 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12409
12410         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12411         (cortexa57_tunings): Likewise.
12412         (cortexa72_tunings): Likewise.
12413         (arch_macro_fusion_pair_p): Add support for AES fusion.
12414         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12415         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12416         Allow virtual registers before reload so early scheduling works.
12417         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12418         correct latency and pipeline.
12419         (cortex_a57_crypto_complex): Likewise.
12420         (cortex_a57_crypto_xor): Likewise.
12421         (define_bypass): Add AES bypass.
12422
12423 2016-02-10  Richard Biener  <rguenther@suse.de>
12424
12425         PR tree-optimization/69726
12426         * passes.def: Add DCE pass before late uninit.
12427         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12428         really fixup if-conversions job.
12429
12430 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12431
12432         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12433         (arm_cortex_a57_tune): Likewise.
12434         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12435         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12436
12437 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12438
12439         * timevar.def (TV_PHASE_DBGINFO): Delete.
12440         (TV_PHASE_CHECK_DBGINFO): Likewise.
12441         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12442
12443 2016-02-10  Richard Biener  <rguenther@suse.de>
12444
12445         PR tree-optimization/69719
12446         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12447         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12448
12449 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12450
12451         PR tree-opt/69282
12452         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12453         get_vcond_mask_icode returns false.
12454
12455 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12456
12457         PR target/68404
12458         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12459         an ADDIS that adds a pointer to a large constant that sets the
12460         upper16 bits with a load operation.
12461
12462 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12463
12464         PR target/68532
12465         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12466         order.
12467         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12468         endian.
12469         (vzipq_s16): Likewise.
12470         (vzipq_s32): Likewise.
12471         (vzipq_f32): Likewise.
12472         (vzipq_u8): Likewise.
12473         (vzipq_u16): Likewise.
12474         (vzipq_u32): Likewise.
12475         (vzipq_p8): Likewise.
12476         (vzipq_p16): Likewise.
12477
12478 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12479
12480         PR target/68532
12481         * config/arm/arm.c (neon_endian_lane_map): New function.
12482         (neon_vector_pair_endian_lane_map): New function.
12483         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12484         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12485         endian.
12486         (vuzpq_s16): Likewise.
12487         (vuzpq_s32): Likewise.
12488         (vuzpq_f32): Likewise.
12489         (vuzpq_u8): Likewise.
12490         (vuzpq_u16): Likewise.
12491         (vuzpq_u32): Likewise.
12492         (vuzpq_p8): Likewise.
12493         (vuzpq_p16): Likewise.
12494
12495 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12496
12497         PR target/69634
12498         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12499         debug insns.
12500
12501 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12502
12503         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12504         truncate const_int operand 1 to QImode.
12505
12506 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12507
12508         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12509         corresponding to an abnormal edge.
12510
12511 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12512
12513         PR tree-optimization/69599
12514         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12515         function.
12516         (find_func_aliases_for_builtin_call, find_func_clobbers)
12517         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12518         partition.
12519
12520 2016-02-09  Richard Biener  <rguenther@suse.de>
12521
12522         PR tree-optimization/69715
12523         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12524         LHS on calls as non-rewritable.
12525
12526 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12527
12528         PR lto/69707
12529         * lto-wrapper.c (append_diag_options): New function.
12530         (compile_offload_image): Call append_diag_options.
12531
12532 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12533
12534         PR other/69722
12535         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12536         Minor copy-edit to fix verb tenses.
12537
12538 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12539
12540         PR tree-optimization/69209
12541         * ipa-split.c (split_function): If split part is not
12542         returning retval, retval has gimple type but is not
12543         gimple value, force it into a SSA_NAME first.
12544
12545 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
12546
12547         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12548         outdated section.
12549
12550 2016-02-08  Jason Merrill  <jason@redhat.com>
12551
12552         PR c++/69631
12553         * convert.c (convert_to_integer_1): Check dofold on truncation
12554         distribution.
12555         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12556         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12557         Rename from *_nofold.
12558         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12559         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12560
12561 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
12562
12563         PR target/60410
12564         * tree.c (build_common_tree_nodes): Remove short_double argument.
12565         All callers changed.
12566         * tree.h (build_common_tree_nodes): Adjust declaration.
12567         * doc/invoke.texi (-fshort-double): Remove documentation.
12568         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12569         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12570         * lto-wrapper.c (merge_and_complain, append_compiler_options)
12571         (append_linker_options): Don't handle OPT_fshort_double.
12572
12573         PR rtl-optimization/68730
12574         * lra-remat.c (insn_to_cand_activation): New static variable.
12575         (lra_remat): Allocate and free it.
12576         (create_cand): New arg activation. Initialize a field in
12577         insn_to_cand_activation if it is nonnull.
12578         (create_cands): Pass the activation insn to create_cand when making
12579         a candidate involving an output reload.  Reorganize code a little.
12580         (do_remat): Keep track of active status of candidates in a separate
12581         bitmap.
12582
12583 2016-02-08  Richard Biener  <rguenther@suse.de>
12584
12585         PR tree-optimization/69719
12586         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12587         Properly use absolute of the difference of the two offsets to
12588         compare or adjust the segment length.
12589
12590 2016-02-08  Richard Biener  <rguenther@suse.de>
12591             Jeff Law  <law@redhat.com>
12592
12593         PR target/68273
12594         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12595         types for anonymous SSA names.
12596
12597 2016-02-08   Richard Biener  <rguenther@suse.de>
12598
12599         PR rtl-optimization/69274
12600         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12601
12602 2016-02-08  Jeff Law  <law@redhat.com>
12603
12604         PR tree-optimization/65917
12605         * tree-ssa-dom.c (record_temporary_equivalences): Record both
12606         equivalences from if (x == y) style conditionals.
12607         (loop_depth_of_name): Remove.
12608         (record_equality): Remove loop depth check.
12609         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12610         (const_and_copies::record_const_or_copy_raw): New member function.
12611         * tree-ssa-scopedtables.c
12612         (const_and_copies::record_const_or_copy_raw): New, factored out of
12613         (const_and_copies::record_const_or_copy): Call new member function.
12614
12615 2016-02-05  Jeff Law  <law@redhat.com>
12616
12617         PR tree-optimization/68541
12618         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12619         (count_stmts_in_block): New function.
12620         (poor_ifcvt_candidate_code): Likewise.
12621         (is_feasible_trace): Add some heuristics to determine when path
12622         splitting is profitable.
12623         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12624         is a diamond with a single exit.
12625
12626 2016-02-05  Martin Sebor  <msebor@redhat.com>
12627
12628         PR c++/69662
12629         * doc/invoke.texi: Update -Wplacement-new to take an optional
12630         argument.
12631
12632 2016-02-06  Richard Henderson  <rth@redhat.com>
12633
12634         PR c/69643
12635         * tree.c (tree_nop_conversion_p): Do not strip casts into or
12636         out of non-standard address spaces.
12637
12638 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12639
12640         PR rtl-optimization/69691
12641         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12642
12643 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
12644
12645         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12646         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12647         (*ieee128_mfvsrd_64bit): Likewise.
12648         (*ieee128_mfvsrd_32bit): Likewise.
12649
12650 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
12651
12652         PR target/69369
12653         Revert r232560:
12654         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12655
12656         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12657         instrumented_version.
12658
12659 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12660
12661         * doc/invoke.texi (Optimize Options): In table of --param options
12662         rename second occurrence of tracer-min-branch-ratio to
12663         tracer-min-branch-probability, rename
12664         tracer-min-branch-ratio-feedback to
12665         tracer-min-branch-probability-feedback and clarify description,
12666         rename sched-spec-state-edge-prob-cutoff to
12667         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12668         to selsched-insns-to-rename, rename lto-minpartition to
12669         lto-min-partition, delete reorder-blocks-duplicate and
12670         reorder-blocks-duplicate-feedback.
12671
12672 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12673
12674         * config/s390/s390.c (s390_register_info_set_ranges): Remove
12675         superfluous loops.
12676
12677 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12678
12679         * doc/extend.texi: S/390: Correct some typos.
12680
12681 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12682
12683         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12684
12685 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12686
12687         PR target/69625
12688         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12689         (s390_register_info_gprtofpr): Use new macros above.
12690         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12691         its name.
12692         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12693         its name.  Adjust restore and save gpr ranges.
12694         (s390_register_info_set_ranges): New function.
12695         (s390_register_info): Use new macros above.  Call
12696         s390_register_info_set_ranges.
12697         (s390_optimize_register_info): Likewise.
12698         (s390_hard_regno_rename_ok): Use new macros.
12699         (s390_hard_regno_scratch_ok): Likewise.
12700         (s390_emit_epilogue): Likewise.
12701         (s390_can_use_return_insn): Likewise.
12702         (s390_optimize_prologue): Likewise.
12703         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12704
12705 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12706
12707         PR bootstrap/69677
12708         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12709         alignment fixes.
12710         (ix86_option_override_internal): Disable TARGET_STV even for
12711         -m{incoming,preferred}-stack-boundary=3.
12712
12713 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12714
12715         * config.gcc: Mark deprecated rtems targets as obsolete.
12716
12717 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
12718
12719         PR rtl-optimization/64682
12720         PR rtl-optimization/69567
12721         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12722         before I2 only if the register is both used and set in I2.
12723
12724 2016-02-04  DJ Delorie  <dj@redhat.com>
12725
12726         * config/msp430/msp430.c (msp430_start_function): Add function type.
12727
12728 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12729
12730         PR fortran/69368
12731         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12732
12733 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
12734
12735         PR rtl-optimization/69577
12736         Revert:
12737         2015-10-29  Richard Henderson  <rth@redhat.com>
12738
12739         PR target/68124
12740         PR rtl-opt/67609
12741         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12742         sse check to the exact conditions of PR 67609.
12743
12744 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12745
12746         PR target/69667
12747         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12748         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12749         not allowed into the traditional Altivec registers.
12750         (movtd_64bit_nodm): Likewise.
12751         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12752
12753 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
12754
12755         * config/aarch64/cortex-a57-fma-steering.c
12756         (aarch64_register_fma_steering): Remove "static" from arguments
12757         to register_pass.
12758
12759 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
12760
12761         PR target/69619
12762         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12763         twice when complex.
12764
12765 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
12766
12767         * doc/invoke.texi: Delete -mno-fma4.
12768
12769 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
12770
12771         PR rtl-optimization/69577
12772         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12773         (find_subregs_of_mode): Update accordingly.  Iterate over partial
12774         definitions.
12775
12776 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
12777
12778         * config/arm/arm-protos.h (neon_reinterpret): Remove.
12779         * config/arm/arm.c (neon_reinterpret): Remove.
12780         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12781         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12782         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12783         vreinterpretti): Remove.
12784         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12785         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12786         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12787         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12788         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12789         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12790         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12791         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12792         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12793         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12794         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12795         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12796         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12797         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12798         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12799         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12800         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12801         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12802         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12803         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12804         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12805         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12806         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12807         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12808         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12809         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12810         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12811         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12812         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12813         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12814         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12815         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12816         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12817         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12818         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12819         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12820         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12821         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12822         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12823         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12824         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12825         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12826         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12827         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12828         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12829         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12830         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12831         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12832         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12833         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12834         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12835         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12836         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12837         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12838         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12839         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12840         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12841         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12842         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12843         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12844         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12845         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12846         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12847         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12848         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12849         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12850         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12851         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12852         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12853         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12854         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12855         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12856         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12857         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12858         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12859         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12860         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12861         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12862         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12863         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12864         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12865         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12866         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12867         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12868         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12869         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12870         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12871         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12872         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12873         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12874         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12875         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12876         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12877         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12878         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12879         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12880         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12881         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12882         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12883         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12884         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12885         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12886         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12887
12888 2016-02-04  Martin Liska  <mliska@suse.cz>
12889
12890         PR sanitizer/69276
12891         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12892         that are gimple_store_p.
12893         (maybe_instrument_call): Likewise.
12894
12895 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
12896
12897         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
12898         register scaling out of memory reference and comment why.
12899
12900 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12901
12902         PR target/65932
12903         PR target/67714
12904         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
12905         folding the source of a SET.
12906
12907 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12908
12909         PR target/65932
12910         PR target/67714
12911         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
12912         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
12913
12914 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
12915
12916         PR target/65932
12917         PR target/67714
12918         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
12919         HImode.
12920
12921 2016-02-04  Christian Bruel  <christian.bruel@st.com>
12922
12923         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
12924         * config/arm/arm.c (arm_set_current_function): Likewise.
12925
12926 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12927             Ilya Enkovich  <enkovich.gnu@gmail.com>
12928             H.J. Lu  <hongjiu.lu@intel.com>
12929
12930         PR target/69454
12931         * config/i386/i386.c (convert_scalars_to_vector): Remove
12932         stack alignment fixes.
12933         (ix86_option_override_internal): Disable TARGET_STV if stack
12934         might not be aligned enough.
12935         (ix86_minimum_alignment): Assert that TARGET_STV is false.
12936
12937 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
12938
12939         * config/i386/x86-tune.def: Disable default prefetching
12940         for -march=znver1.
12941
12942 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
12943             Vladimir Makarov  <vmakarov@redhat.com>
12944
12945         PR target/69461
12946         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
12947         in validating fused toc addresses.
12948
12949 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
12950
12951         PR c/69627
12952         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
12953         range->m_caret fields if range->m_show_caret_p is false.
12954
12955         PR target/69644
12956         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
12957         Force oldval into register if it does not satisfy reg_or_short_operand
12958         predicate.  Fix up formatting.
12959
12960 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
12961             Alexandre Oliva  <aoliva@redhat.com>
12962
12963         PR target/69461
12964         * lra-constraints.c (simplify_operand_subreg): Check additionally
12965         address validity after potential reloading.
12966         (process_address_1): Check insns validity.  In case of failure do
12967         nothing.
12968
12969 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
12970
12971         PR target/69118
12972         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
12973         Fix target.
12974
12975 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
12976
12977         * wide-int.cc (canonize_uhwi): New function.
12978         (wi::divmod_internal): Use it.
12979
12980 2016-02-02  James Norris  <jnorris@codesourcery.com
12981
12982         * gimplify.c (omp_notice_variable): Add usage check.
12983
12984 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
12985
12986         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
12987         like LE, GE, LT, GT when emitting relational operator.
12988
12989 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12990
12991         * ira-costs.c (find_costs_and_classes): Add extra argument.
12992         * target.def (ira_change_pseudo_allocno_class): Add parameter.
12993         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
12994         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
12995         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
12996         Add best_class parameter, and return it if not ALL_REGS.
12997         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
12998         Add parameter.
12999         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
13000         Update target hook.
13001
13002 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
13003
13004         * config/aarch64/aarch64.c
13005         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
13006         (aarch64_ira_change_pseudo_allocno_class): New function.
13007
13008 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
13009
13010         PR target/67032
13011         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
13012
13013 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
13014
13015         * config/avr/avr.c (avr_option_override): Set
13016         PARAM_ALLOW_STORE_DATA_RACES to 1.
13017
13018 2016-02-02  Richard Biener  <rguenther@suse.de>
13019
13020         PR tree-optimization/69595
13021         * match.pd: Add range test simplifications to true/false.
13022
13023 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
13024
13025         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
13026         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
13027         instead.
13028
13029 2016-02-02  Richard Biener  <rguenther@suse.de>
13030
13031         PR tree-optimization/69606
13032         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
13033         info on the result before moving a stmt.
13034
13035 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
13036
13037         PR middle-end/68542
13038         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
13039         branch with vector comparison.
13040         * config/i386/sse.md (VI48_AVX): New mode iterator.
13041         (define_expand "cbranch<mode>4): Add support for conditional branch
13042         with vector comparison.
13043         * tree-vect-loop.c (optimize_mask_stores): New function.
13044         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
13045         has_mask_store field of vect_info.
13046         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
13047         vectorized loops having masked stores after vec_info destroy.
13048         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
13049         correspondent macros.
13050         (optimize_mask_stores): Add prototype.
13051
13052 2016-02-02  Alan Modra  <amodra@gmail.com>
13053
13054         PR target/69548
13055         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
13056         allow subregs.
13057
13058 2016-02-02  Alan Modra  <amodra@gmail.com>
13059
13060         PR target/68662
13061         * config/rs6000/rs6000.c (need_toc_init): New var, set it
13062         whenever toc_label_name used.
13063         (rs6000_file_start): Don't set up toc section here,
13064         (rs6000_output_function_epilogue): do so here instead,
13065         (rs6000_xcoff_file_start): and here.
13066         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
13067         (load_toc_aix_di): Likewise.
13068
13069 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13070
13071         PR rtl-optimization/69592
13072         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
13073         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
13074         (num_sign_bit_copies_binary_arith_p): New inline function.
13075         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
13076
13077 2016-02-01  Jeff Law  <law@redhat.com>
13078
13079         PR tree-optimization/69580
13080         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
13081         * tree-ssa-threadbackward.c
13082         (fsm_find_control_statement_thread_paths): Do not try to walk
13083         through large PHI nodes.
13084
13085 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13086
13087         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
13088         when count is incremented above limit, don't analyze further
13089         insns afterwards.
13090
13091         * omp-low.c (oacc_parse_default_dims): Avoid
13092         -Wsign-compare warning, make sure value fits into int
13093         rather than just unsigned int.
13094
13095 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
13096
13097         PR tree-optimization/67921
13098         * fold-const.c (split_tree): New parameters.  Convert pointer
13099         type variable part to proper type before negating.
13100         (fold_binary_loc): Pass new arguments to split_tree.
13101
13102 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13103
13104         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13105         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13106         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13107         * doc/tm.texti: Rebuilt.
13108         * doc/invoke.texi (fopenacc-dim): Document.
13109         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13110         (append_compiler_options): Likewise.
13111         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13112         (oacc_parse_default_dims): New.
13113         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13114         possible.
13115         (oacc_loop_fixed_partitions): Return mask of used partitions.
13116         (oacc_loop_auto_partitions): Emit dump info.
13117         (oacc_loop_partition): Return mask of used partitions.
13118         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13119         loop partitioning and validation calls.
13120
13121 2016-02-01  Richard Biener  <rguenther@suse.de>
13122
13123         PR middle-end/69556
13124         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13125
13126 2016-02-01  Richard Biener  <rguenther@suse.de>
13127
13128         PR tree-optimization/69574
13129         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13130         of asserting return chrec_dont_know.
13131
13132 2016-02-01  Martin Liska  <mliska@suse.cz>
13133
13134         * mem-stats-traits.h: Add copyright header.
13135         * mem-stats.h: Likewise.
13136
13137 2016-02-01  Richard Biener  <rguenther@suse.de>
13138
13139         PR tree-optimization/69579
13140         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13141         Do not propagate through abnormal PHI results.
13142
13143 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13144
13145         * postreload.c (reload_cse_simplify): Remove dead code.
13146
13147 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13148
13149         PR rtl-optimization/69570
13150         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13151         if there is more than one set, not if there is a single set.
13152
13153 2016-02-01  Richard Henderson  <rth@redhat.com>
13154
13155         PR rtl-opt/69535
13156         * combine.c (make_compound_operation): When looking through a
13157         subreg, make sure to re-extend to the width of the outer mode.
13158
13159 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13160
13161         PR tree-optimization/69546
13162         * wide-int.cc (wi::divmod_internal): For unsigned division
13163         where both operands fit into uhwi, if o1 is 1 and o0 has
13164         msb set, if divident_prec is larger than bits per hwi,
13165         clear another quotient word and return 2 instead of 1.
13166         Similarly for remainder with msb in HWI set, if dividend_prec
13167         is larger than bits per hwi.
13168
13169 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13170
13171         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13172         Use short lowercase names.
13173         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13174         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13175         acq_rel one.  Protect warning agains segfaults if
13176         get_memory_order_name returns NULL.
13177         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13178         with release semantics.  Do not warn if get_memory_order already did.
13179         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13180         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13181         if get_memory_order already did.
13182
13183 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13184
13185         * doc/install.texi: Document that isl-0.16 is supported.
13186
13187 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13188
13189         PR target/69299
13190         * config/i386/constraints.md (Bm): Describe as special memory
13191         constraint.
13192         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13193         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13194         * genpreds.c (struct constraint_data): Add is_special_memory.
13195         (have_special_memory_constraints, special_memory_start): New
13196         static vars.
13197         (special_memory_end): Ditto.
13198         (add_constraint): Add new arg is_special_memory.  Add code to
13199         process its true value.  Update have_special_memory_constraints.
13200         (process_define_constraint): Pass the new arg.
13201         (process_define_register_constraint): Ditto.
13202         (choose_enum_order): Process special memory.
13203         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13204         function insn_extra_special_memory_constraint.
13205         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13206         * gensupport.c (process_rtx): Process
13207         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13208         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13209         * ira-lives.c (single_reg_class): Use
13210         insn_extra_special_memory_constraint.
13211         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13212         * lra-constraints.c (process_alt_operands): Ditto.
13213         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13214         * recog.c (asm_operand_ok, preprocess_constraints): Process
13215         CT_SPECIAL_MEMORY.
13216         * reload.c (find_reloads): Ditto.
13217         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13218         * stmt.c (parse_input_constraint): Use
13219         insn_extra_special_memory_constraint.
13220
13221 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13222
13223         PR target/69530
13224         * lra-splill.c (lra_final_code_change): Revert r229087 by
13225         removing all sub-registers.
13226
13227 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13228
13229         PR target/65604
13230         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13231
13232 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13233
13234         PR target/69551
13235         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13236         SSE1, copy target into the temporary reg first before recursing
13237         on it.
13238
13239 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13240
13241         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13242         with vm.
13243
13244 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13245
13246         * ginclude/stdarg.h: Test __cplusplus instead of
13247         __GXX_EXPERIMENTAL_CXX0X__.
13248
13249 2016-01-29  Richard Biener  <rguenther@suse.de>
13250
13251         PR tree-optimization/69547
13252         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13253         Do not mark clobbers necessary.
13254         (mark_all_reaching_defs_necessary_1): Likewise.
13255
13256 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13257
13258         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13259         declaration name with %qs and print it in both error messages.
13260         Also fix indentation.
13261
13262 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13263
13264         PR other/69006
13265         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13266         trailing blank line from error message.
13267
13268 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13269
13270         PR c++/69462
13271         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13272         for C++-11.
13273
13274 2016-01-29  Richard Biener  <rguenther@suse.de>
13275
13276         PR middle-end/69537
13277         * match.pd: Allow all integral types when simplifying a
13278         widening or sign-changing conversion.
13279
13280 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13281
13282         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13283         back to setting codegen_error to fail codegen.
13284
13285 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13286
13287         PR target/69459
13288         * config/i386/constraints.md (C): Only accept constant zero operand.
13289         (BC): New constraint.
13290         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13291         instead of C constraint.
13292         * doc/md.texi (Machine Constraints): Update description
13293         of C constraint.
13294
13295 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13296
13297         PR target/68400
13298         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13299
13300 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13301
13302         PR middle-end/69542
13303         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13304         non-debug insns.
13305
13306 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13307
13308         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13309         branches if using guessed profile.
13310
13311 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13312
13313         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13314
13315 2016-01-28  Richard Henderson  <rth@redhat.com>
13316
13317         PR target/69305
13318         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13319         * config/aarch64/aarch64-protos.h: Update.
13320         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13321         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13322         (aarch64_get_condition_code_1): Handle CC_Cmode.
13323         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13324         (*add<mode>3_compareC_cconly_imm): New.
13325         (*add<mode>3_compareC_cconly): New.
13326         (*add<mode>3_compareC_imm): New.
13327         (add<mode>3_compareC): New.
13328         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13329         to be first.  Use aarch64_carry_operation.
13330         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13331         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13332         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13333         (subti3): Use subdi3_compare1.
13334         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13335         (sub<mode>3_compare1): New.
13336         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13337         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13338         (*subsi3_carryin_uxtw): Likewise.
13339         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13340         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13341         * config/aarch64/iterators.md (DWI): New.
13342         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13343         (aarch64_borrow_operation): New.
13344
13345 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13346
13347         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13348         message when isl does not return a valid schedule.
13349
13350 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13351
13352         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13353         Remove comments from class declarations: they are already in the code
13354         close by the defs.
13355
13356 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13357
13358         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13359         codegen_error_p.
13360         (ternary_op_to_tree): Same.
13361         (unary_op_to_tree): Same.
13362         (nary_op_to_tree): Same.
13363         (gcc_expression_from_isl_expr_op): Same.
13364         (gcc_expression_from_isl_expression): Same.
13365         (graphite_create_new_loop): Same.
13366         (graphite_create_new_loop_guard): Same.
13367         (build_iv_mapping): Same.
13368         (graphite_create_new_guard): Same.
13369         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13370         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13371
13372 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13373
13374         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13375         instead of setting codegen_error to fail codegen.
13376
13377 2016-01-28  Jason Merrill  <jason@redhat.com>
13378
13379         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13380
13381 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13382
13383         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13384         Remove CONST_INT_P check in CCMP cost calculation.
13385
13386 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13387
13388         * config/aarch64/aarch64.c (generic_vector_cost):
13389         Set vec_permute_cost.
13390         (cortexa57_vector_cost): Likewise.
13391         (exynosm1_vector_cost): Likewise.
13392         (xgene1_vector_cost): Likewise.
13393         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13394         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13395         Add vec_permute_cost entry.
13396
13397 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13398
13399         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13400         immediate as %1.
13401         (add<mode>3_compare0): Likewise.
13402         (addsi3_compare0_uxtw): Likewise.
13403         (add<mode>3nr_compare0): Likewise.
13404         (compare_neg<mode>): Likewise.
13405         (<optab><mode>3): Likewise.
13406
13407 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13408
13409         * tree-vect-stmts.c (vectorizable_comparison): Add
13410         NULL check for vectype.
13411
13412 2016-01-28  Richard Biener  <rguenther@suse.de>
13413
13414         PR tree-optimization/69466
13415         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13416         Account for PHIs we couldn't duplicate.
13417
13418 2016-01-28  Martin Liska  <mliska@suse.cz>
13419
13420         PR pch/68758
13421         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13422         instead of ENABLE_VALGRIND_CHECKING.
13423
13424 2016-01-27  Richard Henderson  <rth@redhat.com>
13425
13426         PR rtl-opt/69447
13427         * lra-remat.c (subreg_regs): New.
13428         (dump_candidates_and_remat_bb_data): Dump it.
13429         (operand_to_remat): Reject if operand in subreg_regs.
13430         (set_bb_regs): Collect subreg_regs.
13431         (lra_remat): Init and free subreg_regs.  Compute
13432         calculate_local_reg_remat_bb_data before create_cands.
13433
13434 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13435
13436         PR target/68986
13437         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13438         change stack_alignment_needed for __tls_get_addr call.
13439
13440 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13441
13442         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13443
13444 2016-01-27  Jeff Law  <law@redhat.com>
13445
13446         PR tree-optimization/68398
13447         PR tree-optimization/69196
13448         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13449         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13450         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13451         Only count PHIs in the last block in the path.  The others will
13452         const/copy propagate away.  Add heuristic to allow more irreducible
13453         subloops to be created when it is likely profitable to do so.
13454
13455         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13456         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13457         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13458
13459 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13460
13461         PR lto/69254
13462         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13463         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13464         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13465         * tree-streamer-in.c: Include asan.h.
13466         (streamer_get_builtin_tree): For builtins in sanitizer
13467         range call initialize_sanitizer_builtins and retry.
13468
13469 2016-01-27  Ian Lance Taylor  <iant@google.com>
13470
13471         * common.opt (fkeep-gc-roots-live): New undocumented option.
13472         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13473         -fkeep-gc-roots-live, skip pointers.
13474         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13475         NULL.
13476
13477 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13478
13479         PR target/69512
13480         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13481         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13482
13483 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13484
13485         PR target/68380
13486         * configure.ac: NetBSD provides SSP in its C library.
13487         * configure: Updated.
13488
13489 2016-01-27  Richard Biener  <rguenther@suse.de>
13490
13491         PR tree-optimization/69166
13492         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13493         reduction code for commutativity / associativity.
13494
13495 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13496
13497         PR tree-optimization/69355
13498         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13499         total_scalarization fails.
13500
13501 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13502
13503         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13504         power9.
13505
13506 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13507
13508         PR target/69245
13509         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13510         Move arm_reset_previous_fndecl and set_target_option_current_node in
13511         the conditional part.  Call save_restore_target_globals.
13512         * config/arm/arm.c (arm_set_current_function):
13513         Refactor to better support #pragma target and attribute mix.
13514         Call save_restore_target_globals.
13515         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13516
13517 2016-01-27  Martin Liska  <mliska@suse.cz>
13518
13519         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13520         reference for an HSA kernel and its host function.
13521
13522 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13523
13524         PR tree-optimization/69399
13525         * wide-int.h (wi::lrshift): For larger precisions, only
13526         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13527
13528 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13529
13530         * config/arc/predicates.md (proper_comparison_operator): Reject
13531         constant-constant comparison.
13532
13533 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13534
13535         PR tree-optimization/69110
13536         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13537         DR_NUM_DIMENSIONS == 0.
13538
13539 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13540             Sebastian Pop  <s.pop@samsung.com>
13541
13542         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13543         isl_ast_op_cond and isl_ast_op_select.
13544         (gcc_expression_from_isl_expr_op): Same.
13545
13546 2016-01-26  Jason Merrill  <jason@redhat.com>
13547
13548         PR c++/68782
13549         * tree.c (recompute_constructor_flags): Split out from
13550         build_constructor.
13551         (verify_constructor_flags): New.
13552         * tree.h: Declare them.
13553
13554 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
13555
13556         PR rtl-optimization/69217
13557         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13558         are no TYPE_FIELDS set for the record type.
13559
13560 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13561
13562         PR target/68662
13563         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13564         toc_label_name unconditionally.
13565         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13566         SYMBOL_REF string.  Use toc_label_name instead of constructing
13567         LCTOC1.
13568         (rs6000_elf_declare_function_name): Use toc_label_name instead of
13569         constructing LCTOC1.
13570
13571 2016-01-26  Martin Sebor  <msebor@redhat.com>
13572
13573         PR other/69477
13574         * doc/extend.texi (Common Type Attributes): Move text that talks about
13575         attribute packed from attribute aligned to the section discussing
13576         the former attribute for clarity.
13577
13578 2016-01-26  Richard Henderson  <rth@redhat.com>
13579
13580         PR middle-end/60908
13581         * trans-mem.c (tm_region_init): Mark entry block as visited.
13582
13583 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
13584
13585         PR other/69006
13586         * diagnostic-show-locus.c (layout::print_source_line): Replace
13587         call to pp_newline with call to layout::print_newline.
13588         (layout::print_annotation_line): Likewise.
13589         (layout::move_to_column): Likewise.
13590         (layout::print_any_fixits): After printing any fixits, print a
13591         trailing newline, if necessary.
13592         (layout::print_newline): New method, resetting any colorization
13593         before a newline.
13594         (diagnostic_show_locus): Move the pp_newline to before the
13595         early bailout.  Remove dummy block enclosing the layout instance.
13596         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13597         of pp_newline_and_flush with pp_flush.
13598         (diagnostic_append_note): Delete use of pp_newline.
13599         (diagnostic_append_note_at_rich_loc): Delete.
13600         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13601         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13602         when newline characters are added to the buffer.
13603
13604 2016-01-26  Michael Matz  <matz@suse.de>
13605
13606         * configure.ac (ac_cv_std_swap_in_utility): New test.
13607         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13608         * configure: Regenerate.
13609         * config.in: Regenerate.
13610
13611 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
13612
13613         * config/arc/arc.md (cstoresi4): Force operand into register.
13614         (arcset<code>): Fix predicate.
13615         (arcsetltu): Likewise.
13616         (arcsetgeu): Likewise.
13617         (arcsethi): Likewise.
13618         (arcsetls): Likewise.
13619
13620 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13621
13622         PR tree-optimization/69483
13623         * gimple-fold.c (canonicalize_constructor_val): Return NULL
13624         if base has error_mark_node type.
13625
13626 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
13627
13628         PR target/68620
13629         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13630         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13631         New helper macros.
13632         (vget_lane_f16): Handle big-endian.
13633         (vgetq_lane_f16): Likewise.
13634         (vset_lane_f16): Likewise.
13635         (vsetq_lane_f16): Likewise.
13636         * config/arm/iterators.md (VQXMOV): Add V8HF.
13637         (VDQ): Add V4HF and V8HF.
13638         (V_reg): Handle V4HF and V8HF.
13639         (Is_float_mode): Likewise.
13640         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13641         neon_vdup_nv8hf): New patterns.
13642         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13643         Use VD_LANE iterator.
13644         (neon_vld1_dup<mode>): Use VQ2 iterator.
13645
13646 2016-01-26  Nathan Sidwell  <nathan@acm.org>
13647
13648         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13649         (set_oacc_fn_attrib): Add IS_KERNEL arg.
13650         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13651         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13652         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13653         (oacc_validate_dims): Add LEVEL arg, don't return level.
13654         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13655         oacc_validate_dims.
13656         (execute_oacc_device_lower): Adjust, add more dump output.
13657         * tree-ssa-loop.c (gate_oacc_kernels): Use
13658         oacc_fn_attrib_kernels_p.
13659         * tree-parloops.c (create_parallel_loop): Adjust
13660         set_oacc_fn_attrib call.
13661
13662 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13663
13664         PR lto/69254
13665         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13666         (append_compiler_options): Handle -fcilkplus.
13667         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13668
13669 2016-01-26  Nick Clifton  <nickc@redhat.com>
13670
13671         PR target/66655
13672         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13673         been marked as DECL_ONE_ONLY but we do not the means to make it
13674         so, then do not allow it to bind locally.
13675
13676 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13677
13678         PR lto/69254
13679         * opts.h (parse_sanitizer_options): New prototype.
13680         * opts.c (sanitizer_opts): New array.
13681         (parse_sanitizer_options): New function.
13682         (common_handle_option): Use parse_sanitizer_options.
13683
13684 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
13685
13686         PR target/68986
13687         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13688         alignment adjustment to ...
13689         (ix86_update_stack_boundary): Here.  Don't over-align stack for
13690         __tls_get_addr.
13691         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13692         if __tls_get_addr is called.
13693
13694 2016-01-26  Christian Bruel  <christian.bruel@st.com>
13695
13696         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13697
13698 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
13699
13700         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13701
13702 2016-01-26  Richard Biener  <rguenther@suse.de>
13703
13704         PR middle-end/69467
13705         * match.pd: Guard X * CST CMP 0 pattern with single_use.
13706
13707 2016-01-26  Richard Biener  <rguenther@suse.de>
13708
13709         PR tree-optimization/69452
13710         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13711         (move_computations_dom_walker::before_dom_children): Rename
13712         to ...
13713         (move_computations_worker): This.
13714         (move_computations): Perform an RPO rather than a DOM walk.
13715
13716 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13717
13718         PR target/69442
13719         * combine.c (combine_instructions): For REG_EQUAL note with
13720         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13721         to the underlying register.
13722         * doc/rtl.texi (REG_EQUAL): Document the behavior of
13723         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13724
13725 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
13726
13727         PR target/67896
13728         * config/aarch64/aarch64-builtins.c
13729         (aarch64_init_simd_builtin_types): Do not set structural
13730         equality to __Poly{8,16,64,128}_t types.
13731
13732 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
13733
13734         PR tree-optimization/69400
13735         * wide-int.cc (wi_pack): Take the precision as argument and
13736         perform canonicalization here rather than in the callers.
13737         Use the main loop to handle all full-width HWIs.  Add a
13738         zero HWI if in_len isn't a full result.
13739         (wi::divmod_internal): Update accordingly.
13740         (wi::mul_internal): Likewise.  Simplify.
13741
13742 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13743             Sebastian Pop  <s.pop@samsung.com>
13744
13745         * graphite-poly.c (apply_poly_transforms): Simplify.
13746         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13747         (print_isl_map): Same.
13748         (print_isl_union_map): Same.
13749         (print_isl_schedule): New.
13750         (debug_isl_schedule): New.
13751         * graphite-dependences.c (scop_get_reads): Do not call
13752         isl_union_map_add_map that is undocumented isl functionality.
13753         (scop_get_must_writes): Same.
13754         (scop_get_may_writes): Same.
13755         (scop_get_original_schedule): Remove.
13756         (scop_get_dependences): Do not call isl_union_map_compute_flow that
13757         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
13758         (compute_deps): Remove.
13759         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13760         (debug_schedule_ast): New.
13761         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13762         set_separate_option.
13763         (graphite_regenerate_ast_isl): Add dump.
13764         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13765         from scop->transformed_schedule.
13766         (graphite_regenerate_ast_isl): Add more dump.
13767         * graphite-optimize-isl.c (optimize_isl): Set
13768         scop->transformed_schedule.  Check whether schedules are equal.
13769         (apply_poly_transforms): Move here.
13770         * graphite-poly.c (apply_poly_transforms): ... from here.
13771         (free_poly_bb): Static.
13772         (free_scop): Static.
13773         (pbb_number_of_iterations_at_time): Remove.
13774         (print_isl_ast): New.
13775         (debug_isl_ast): New.
13776         (debug_scop_pbb): New.
13777         * graphite-scop-detection.c (print_edge): Move.
13778         (print_sese): Move.
13779         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13780         (build_scop_scattering): Remove.
13781         (create_pw_aff_from_tree): Assert instead of bailing out.
13782         (add_condition_to_pbb): Remove unused code, do not fail.
13783         (add_conditions_to_domain): Same.
13784         (add_conditions_to_constraints): Remove.
13785         (build_scop_context): New.
13786         (add_iter_domain_dimension): New.
13787         (build_iteration_domains): Initialize pbb->iterators.
13788         Call add_conditions_to_domain.
13789         (nested_in): New.
13790         (loop_at): New.
13791         (index_outermost_in_loop): New.
13792         (index_pbb_in_loop): New.
13793         (outermost_pbb_in): New.
13794         (add_in_sequence): New.
13795         (add_outer_projection): New.
13796         (outer_projection_mupa): New.
13797         (add_loop_schedule): New.
13798         (build_schedule_pbb): New.
13799         (build_schedule_loop): New.
13800         (embed_in_surrounding_loops): New.
13801         (build_schedule_loop_nest): New.
13802         (build_original_schedule): New.
13803         (build_poly_scop): Call build_original_schedule.
13804         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13805         (free_poly_dr): Remove.
13806         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
13807         (free_poly_bb): Remove.
13808         (debug_loop_vec): Remove.
13809         (print_isl_ast): Declare.
13810         (debug_isl_ast): Declare.
13811         (scop_do_interchange): Remove.
13812         (scop_do_strip_mine): Remove.
13813         (scop_do_block): Remove.
13814         (flatten_all_loops): Remove.
13815         (optimize_isl): Remove.
13816         (pbb_number_of_iterations_at_time): Remove.
13817         (debug_scop_pbb): Declare.
13818         (print_schedule_ast): Declare.
13819         (debug_schedule_ast): Declare.
13820         (struct scop): Remove schedule.  Add original_schedule,
13821         transformed_schedule.
13822         (free_gimple_poly_bb): Remove.
13823         (print_generated_program): Remove.
13824         (debug_generated_program): Remove.
13825         (unify_scattering_dimensions): Remove.
13826         * sese.c (print_edge): ... here.
13827         (print_sese): ... here.
13828         (debug_edge): ... here.
13829         (debug_sese): ... here.
13830         * sese.h (print_edge): Declare.
13831         (print_sese): Declare.
13832         (dump_edge): Declare.
13833         (dump_sese): Declare.
13834
13835 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13836             Sebastian Pop  <s.pop@samsung.com>
13837
13838         * Makefile.in: Set ISLVER in site.exp.
13839
13840 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
13841
13842         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13843         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
13844         through DECL_VALUE_EXPR for expansion.
13845
13846 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13847
13848         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13849         the frame info after reload completed.
13850
13851 2016-01-25  Jeff Law  <law@redhat.com>
13852
13853         PR tree-optimization/69196
13854         PR tree-optimization/68398
13855         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13856         tree-ssa-threadupdate.c.
13857         (determine_bb_domination_status): Prototype
13858         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13859         (determine_bb_domination_status): No longer static.
13860         (valid_jump_thread_path): Remove code to detect characteristics
13861         of the jump thread path not associated with correctness.
13862         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13863         Correct test for thread path length.  Count PHIs for real operands as
13864         statements that need to be copied.  Do not count ASSERT_EXPRs.
13865         Look at all the blocks in the thread path.  Compute and selectively
13866         filter thread paths based on threading through the latch, threading
13867         a multiway branch or crossing a multiway branch.
13868
13869 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13870
13871         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
13872         decl with __attribute__ ((unused)) annotation.
13873
13874 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
13875
13876         PR target/69421
13877         * tree-vect-stmts.c (vectorizable_condition): Check vectype
13878         of operands is compatible with a statement vectype.
13879
13880 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
13881
13882         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13883         improve wording for mixed storage order support.
13884
13885 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
13886
13887         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13888         (vcvt_u64_f64): Likewise.
13889         (vcvta_s64_f64): Likewise.
13890         (vcvta_u64_f64): Likewise.
13891         (vcvtm_s64_f64): Likewise.
13892         (vcvtm_u64_f64): Likewise.
13893         (vcvtn_s64_f64): Likewise.
13894         (vcvtn_u64_f64): Likewise.
13895         (vcvtp_s64_f64): Likewise.
13896         (vcvtp_u64_f64): Likewise.
13897
13898 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
13899
13900         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
13901         (arc_init): Check validity mll64 option.
13902         (arc_save_restore): Use double load/store instruction.
13903         (arc_expand_movmem): Likewise.
13904         (arc_split_move): Don't split if we have double load/store
13905         instructions. Returns a boolean.
13906         (arc_process_double_reg_moves): Change function to return boolean
13907         instead of a sequence of instructions.
13908         (arc_dwarf_register_span): New function.
13909         * config/arc/arc-protos.h (arc_split_move): Change prototype.
13910         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
13911         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
13912         (*movdf_insn): Likewise.
13913         * config/arc/arc.opt (mll64): New option.
13914         * config/arc/predicates.md (even_register_operand): New predicate.
13915         * doc/invoke.texi (ARC Options): Add mll64 documentation.
13916
13917 2016-01-25  Richard Biener  <rguenther@suse.de>
13918
13919         PR lto/69393
13920         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
13921         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
13922         DECL_NAMELESS.
13923         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
13924
13925 2016-01-25  Richard Biener  <rguenther@suse.de>
13926
13927         PR tree-optimization/69376
13928         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
13929         flag.
13930         (VN_INFO_ANTI_RANGE_P): New inline.
13931         (VN_INFO_RANGE_TYPE): Likewise.
13932         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
13933         SSA_NAME_ANTI_RANGE_P.
13934         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
13935         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13936         Properly query VN_INFO_RANGE_TYPE.
13937
13938 2016-01-25  Nick Clifton  <nickc@redhat.com>
13939
13940         PR target/66655
13941         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
13942
13943 2016-01-23  Tom de Vries  <tom@codesourcery.com>
13944
13945         PR tree-optimization/69426
13946         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
13947         removed clobber.
13948
13949 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
13950
13951         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
13952         "the the" with "the" in the comments.
13953         * ipa-devirt.c (build_type_inheritance_graph,
13954         update_type_inheritance_graph): Likewise.
13955         * tree.c (build_function_type_list_1): Likewise.
13956         * cfgloopmanip.c (scale_loop_profile): Likewise.
13957         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
13958         * gimple-ssa-split-paths.c
13959         (find_block_to_duplicate_for_splitting_paths): Likewise.
13960         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
13961         * expr.c (convert_move): Likewise.
13962         * var-tracking.c (vt_stack_adjustments): Likewise.
13963         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
13964         * tree-vrp.c (test_for_singularity): Likewise.
13965
13966         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
13967         directly instead of building a temporary tree.
13968
13969         PR bootstrap/69434
13970         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
13971         remove <algorithm> include.
13972
13973 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13974
13975         PR target/69432
13976         * config/i386/i386.c: Include dojump.h.
13977         (expand_small_movmem_or_setmem,
13978         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
13979         fixes.
13980         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
13981         if dynamic_check != -1.
13982
13983 2016-01-21  Jeff Law  <law@redhat.com>
13984
13985         PR middle-end/69347
13986         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
13987         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
13988         into dominated_by_p.
13989         (cprop_into_successor_phis): Avoid unnecessary tests.
13990
13991 2016-01-22  Richard Henderson  <rth@redhat.com>
13992
13993         PR target/69416
13994         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
13995         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
13996
13997 2016-01-22  Michael Matz  <matz@suse.de>
13998
13999         * system.h (string, algorithm): Include only conditionally.
14000         (new): Include always under C++.
14001         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
14002         * final.c (toplevel): Ditto.
14003         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
14004         * genconditions.c (write_header): Make gencondmd.c define
14005         INCLUDE_STRING.
14006         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
14007
14008         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
14009         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
14010
14011 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14012
14013         PR target/68674
14014         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
14015
14016 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14017
14018         PR target/69403
14019         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
14020         define_insn_and_split.  Ensure operands[1] and operands[0] do not
14021         get assigned the same register.
14022
14023 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
14024
14025         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
14026
14027 2016-01-22  Christian Bruel  <christian.bruel@st.com>
14028
14029         * config/arm/arm-c.c (arm_pragma_target_parse):
14030         Remove warn_builtin_macro_redefined overwrite.
14031
14032 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14033
14034         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
14035         flag_non_call_exceptions compatibility.
14036
14037 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
14038
14039         PR debug/66668
14040         * dwarf2out.c (add_child_die_after): New function.
14041         (dwarf_qual_info_t): New type.
14042         (dwarf_qual_info): New variable.
14043         (qualified_die_p): New function.
14044         (modified_type_die): For -fdebug-types-section, ensure
14045         canonical order of qualifiers.  Put qualified DIEs adjacent
14046         to the corresponding non-qualified type DIE and search there
14047         for existing qualified DIEs.
14048
14049 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
14050
14051         * doc/extend.texi (scalar_storage_order type attribute): Document
14052         restriction on type punning and aliasing, and remove future tense.
14053
14054 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
14055
14056         PR target/69252
14057         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
14058         first stage.
14059
14060 2016-01-21  Jeff Law  <law@redhat.com>
14061
14062         PR middle-end/69347
14063         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
14064         useless call to record_temporary_equivalences.
14065         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
14066         allocate 10 slots in the bb_path vector and let it grow as needed.
14067         (fsm_find_control_statement_thread_paths): Similarly for the next_path
14068         vector.
14069
14070 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14071
14072         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
14073         Detangle.
14074         * configure: Regenerate.
14075
14076 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
14077
14078         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
14079         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
14080
14081 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
14082
14083         PR middle-end/66178
14084         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
14085         drop EXPAND_INITIALIZER.
14086         * rtl.h (contains_symbolic_reference_p): Declare.
14087         * rtlanal.c (contains_symbolic_reference_p): New function.
14088         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
14089         a subtraction into a NOT if symbolic constants are involved.
14090
14091 2016-01-21  Anton Blanchard  <anton@samba.org>
14092             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14093
14094         PR target/63354
14095         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
14096         #define.
14097         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
14098         function.
14099
14100 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14101
14102         * config/microblaze/microblaze.c
14103         (get_branch_target): New.
14104         (insert_wic_for_ilb_runout): New.
14105         (insert_wic): New.
14106         (microblaze_machine_dependent_reorg): New.
14107         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14108         * config/microblaze/microblaze.md
14109         (UNSPEC_IPREFETCH): Define.
14110         (iprefetch): New pattern
14111         * config/microblaze/microblaze.opt
14112         (mxl-prefetch): New flag.
14113
14114 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14115
14116         * config/microblaze/microblaze.h
14117         (FIXED_REGISTERS): Update in macro.
14118         (CALL_USED_REGISTERS): Update in macro.
14119
14120 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14121
14122         PR rtl-optimization/68920
14123         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14124         moves.
14125
14126 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14127
14128         PR rtl-optimization/68990
14129         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14130         pseudo instead of inheritance ones.
14131
14132 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14133             Nick Clifton  <nickc@redhat.com>
14134
14135         PR target/69129
14136         PR target/69012
14137         * config/mips/mips.c (mips_compute_frame_info): Initialise
14138         args_size and hard_frame_pointer_offset fields of the frame
14139         structure before calling mips_global_pointer.
14140
14141 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14142
14143         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14144         label reference.
14145         * configure: Regenerate.
14146
14147 2016-01-21  Richard Biener  <rguenther@suse.de>
14148
14149         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14150
14151 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14152
14153         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14154         to actually emit the .size directive.
14155
14156 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14157              Jakub Jelinek  <jakub@redhat.com>
14158
14159         PR target/69187
14160         PR target/65624
14161         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14162         args array size by one to avoid buffer overflow.
14163
14164 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14165
14166         * config/s390/s390.md (pool_section_start): Use switch_to_section
14167         to select proper read-only data section instead of hardcoding
14168         .rodata.
14169         (pool_section_end): Use switch_to_section to match the above.
14170
14171 2016-01-21  Richard Biener  <rguenther@suse.de>
14172
14173         PR tree-optimization/69378
14174         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14175         (set_ssa_val_to): Use it for dominance checks taking into
14176         account not executable edges.
14177
14178 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14179
14180         PR c++/69355
14181         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14182         for bitsize instead of GET_MODE_PRECISION (mode).
14183
14184 2016-01-20  Martin Sebor  <msebor@redhat.com>
14185
14186         PR c/52291
14187         * extend.texi (__sync Builtins): Clarify the semantics of
14188         __sync_fetch_and_OP built-ins on pointers.
14189         (__atomic Builtins): Same.
14190
14191 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14192             Sebastian Pop  <s.pop@samsung.com>
14193
14194         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14195         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14196         (is_valid_rename): Same.
14197         (translate_isl_ast_to_gimple::get_rename): Same.
14198         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14199         (translate_isl_ast_to_gimple::rename_uses): Same.
14200         (get_new_name): Check for close_phi nodes.
14201         (copy_loop_phi_args): Use phi_node_kind.
14202         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14203         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14204
14205 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14206             Sebastian Pop  <s.pop@samsung.com>
14207
14208         Revert commit r229783.
14209         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14210         Remove use of parameter_rename_map.
14211         (copy_def): Remove.
14212         (copy_internal_parameters): Remove.
14213         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14214         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14215         (free_sese_info): Do not free parameter_rename_map.
14216         (set_rename): Do not use parameter_rename_map.
14217         (rename_uses): Update call to set_rename.
14218         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14219         * sese.h (parameter_rename_map_t): Remove.
14220         (struct sese_info_t): Remove field parameter_rename_map.
14221
14222 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14223             Sebastian Pop  <s.pop@samsung.com>
14224
14225         * graphite-isl-ast-to-gimple.c: Fix comment.
14226         * graphite-scop-detection.c (defined_in_loop_p): New.
14227         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14228         names defined in loop.
14229
14230 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14231             Sebastian Pop  <s.pop@samsung.com>
14232
14233         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14234         Discard unstructured if-then-else regions.
14235
14236 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14237             Sebastian Pop  <s.pop@samsung.com>
14238
14239         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14240         (cleanup_loop_iter_dom): Remove.
14241         (build_loop_iteration_domains): Remove.
14242         (build_scop_context): Remove.
14243         (build_scop_iteration_domain): Remove.
14244         (add_loop_constraints): New.
14245         (build_iteration_domains): New.
14246         (build_poly_scop): Call build_iteration_domains.
14247
14248 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14249             Sebastian Pop  <s.pop@samsung.com>
14250
14251         * graphite-scop-detection.c
14252         (scop_detection::harmful_loop_in_region): Free dom and loops.
14253         (scop_detection::loop_body_is_valid_scop): Free bbs.
14254
14255 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14256             Sebastian Pop  <s.pop@samsung.com>
14257
14258         * graphite-scop-detection.c (record_loop_in_sese): New.
14259         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14260         (build_scops): Remove call to build_sese_loop_nests.
14261         * sese.c (sese_record_loop): Remove.
14262         (build_sese_loop_nests): Remove.
14263         (new_sese_info): Remove region->loops.
14264         (free_sese_info): Same.
14265         * sese.h (sese_contains_loop): Same.
14266         (build_sese_loop_nests): Remove.
14267         (sese_contains_loop): Remove.
14268
14269 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14270             Sebastian Pop  <s.pop@samsung.com>
14271
14272         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14273         loop_is_valid_in_scop.
14274         (scop_detection::harmful_stmt_in_region): Renamed
14275         harmful_loop_in_region.
14276         Call loop_is_valid_in_scop.
14277
14278 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14279             Sebastian Pop  <s.pop@samsung.com>
14280
14281         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14282         isl_ast_node_mark.
14283
14284 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14285             Sebastian Pop  <s.pop@samsung.com>
14286
14287         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14288         * graphite.h (struct poly_bb): Remove field is_reduction.
14289         (PBB_IS_REDUCTION): Remove.
14290
14291 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14292             Sebastian Pop  <s.pop@samsung.com>
14293
14294         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14295         (add_pdr_constraints): Same.
14296         (scop_get_reads): Same.
14297         (scop_get_must_writes): Same.
14298         (scop_get_may_writes): Same.
14299         (scop_get_original_schedule): Same.
14300         (extend_schedule): Same.
14301         (apply_schedule_on_deps): Same.
14302         (carries_deps): Same.
14303         (compute_deps): Same.
14304         (scop_get_dependences): Same.
14305         * graphite-isl-ast-to-gimple.c
14306         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14307         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14308         (get_schedule_for_band_list): Same.
14309         (get_schedule_map): Same.
14310         (apply_schedule_map_to_scop): Same.
14311         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14312         (build_loop_iteration_domains): Same.
14313         (add_condition_to_pbb): Same.
14314         (add_param_constraints): Same.
14315         (pdr_add_memory_accesses): Same.
14316         (pdr_add_data_dimensions): Same.
14317
14318 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14319
14320         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14321         requirements.
14322
14323 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14324
14325         * common.opt (feliminate-dwarf2-dups): Replace references to
14326         "DWARF 2" with just "DWARF".
14327         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14328         * doc/extend.texi: Likewise.
14329         * doc/cpp.texi: Likewise.
14330         * doc/invoke.texi: Likewise.
14331         (Option Summary): Add -gdwarf to list of Debugging Options.
14332         (Debugging Options): Document -gdwarf.
14333         * doc/contrib.texi: Spell "DWARF" like that.
14334
14335 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14336
14337         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14338         warning.  Fix up formatting.
14339
14340         PR middle-end/67653
14341         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14342         attempt to mark memory input operand addressable and
14343         call prepare_gimple_addressable in that case.  Don't adjust
14344         input_location for diagnostics, use error_at instead.
14345
14346 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14347
14348         * config/rs6000/ppc-auxv.h: New file.
14349         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14350         (cpu_is): Likewise.
14351         (cpu_supports): Likewise.
14352         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14353         (cpu_is_info): New variable.
14354         (cpu_supports_info): Likewise.
14355         (tcb_verification_symbol): Likewise.
14356         (cpu_builtin_p): Likewise.
14357         (cpu_expand_builtin): New function.
14358         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14359         (rs6000_init_builtins): Likewise.
14360         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14361         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14362         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14363         * configure: Regenerate.
14364         * config.in: Likewise.
14365         * doc/extend.texi (PowerPC Built-in Functions): Document
14366         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14367
14368 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14369
14370         PR target/68609
14371         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14372         domain check.
14373         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14374         for V4SFmode.
14375
14376 2016-01-20  Richard Henderson  <rth@redhat.com>
14377
14378         PR bootstrap/69343
14379         PR bootstrap/69339
14380         PR tree-opt/68964
14381         Revert:
14382         * tree.c (tm_define_builtin): New.
14383         (find_tm_vector_type): New.
14384         (build_tm_vector_builtins): New.
14385         (build_common_builtin_nodes): Call it.
14386
14387 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14388
14389         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14390         (arm_fp_ok): Likewise.
14391         (arm_fp): Likewise.
14392         (arm_crypto): Likewise.
14393
14394 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14395             Richard Biener  <rguenther@suse.de>
14396
14397         PR tree-optimization/69328
14398         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14399         vectors have same number of elements.
14400         (vectorizable_condition): Fix masked version recognition.
14401
14402 2016-01-20  Richard Biener  <rguenther@suse.de>
14403
14404         PR tree-optimization/69345
14405         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14406         (VN_INFO_PTR_INFO): Likewise.
14407         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14408         info when it is equal between non-dominating SSA names.
14409         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14410         Make sure to look at original SSA infos.
14411
14412 2016-01-20  Jeff Law  <law@redhat.com>
14413
14414         PR target/25114
14415         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14416         extracted from ...
14417         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14418         (pc_or_label_operand): New predicate.
14419         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14420         tests for small integers that are 2^n - 1.
14421
14422 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14423
14424         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14425
14426 2016-01-19  Jeff Law  <law@redhat.com>
14427
14428         PR middle-end/69347
14429         * tree-ssa-threadbackwards.c
14430         (fsm_find_control_statement_thread_paths): Do not try to lookup
14431         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14432
14433 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14434
14435         * doc/lto.texi: Remove text that says only Gold has linker plugin
14436         support.
14437
14438 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14439
14440         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14441         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14442         the DIE accordingly.
14443         (modified_type_die): Add REVERSE parameter and pass it recursively,
14444         as well as to base_type_die.  Adjust presence check accordingly.
14445         (base_type_for_mode): Adjust call to modified_type_die.
14446         (add_type_attribute): Add REVERSE parameter and pass it to
14447         modified_type_die.
14448         (generic_parameter_die): Adjust call to add_type_attribute.
14449         (add_scalar_info): Likewise.
14450         (add_subscript_info): Likewise.
14451         (gen_array_type_die): Likewise.
14452         (gen_descr_array_type_die): Likewise.
14453         (gen_entry_point_die): Likewise.
14454         (gen_enumeration_type_die): Likewise.
14455         (gen_formal_parameter_die): Likewise.
14456         (gen_subprogram_die): Likewise.
14457         (gen_variable_die ): Likewise.
14458         (gen_const_die): Likewise.
14459         (gen_field_die): Likewise.
14460         (gen_pointer_type_die): Likewise.
14461         (gen_reference_type_die): Likewise.
14462         (gen_ptr_to_mbr_type_die): Likewise.
14463         (gen_inheritance_die): Likewise.
14464         (gen_subroutine_type_die): Likewise.
14465         (gen_typedef_die): Likewise.
14466         (force_type_die): Adjust call to modified_type_die.
14467
14468 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14469
14470         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14471         flow throughout the file.  Fix broken link to Objective-C 2.0
14472         documentation.
14473         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14474         errors.
14475
14476 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14477
14478         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14479
14480 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14481
14482         PR ipa/66223
14483         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14484         (maybe_record_node): Record cxa_pure_virtual as the only possible
14485         target if there are not ohter candidates.
14486         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14487
14488 2016-01-19  Richard Biener  <rguenther@suse.de>
14489
14490         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14491         (get_memory_order): Likewise.
14492
14493 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14494
14495         * tree-vect-stmts.c (vectorizable_store): Check
14496         rhs vectype.
14497
14498 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14499
14500         PR jit/68446
14501         * gcc.c (driver::decode_argv): Add call to
14502         init_opts_obstack before init_options_struct.
14503         * opts.c (init_opts_obstack): Remove idempotency.
14504         (init_options_struct): Replace call to init_opts_obstack
14505         with a gcc_assert to verify that it has already been called.
14506         * toplev.c (toplev::main): Add call to init_opts_obstack before
14507         calls to init_options_struct.
14508         (toplev::finalize): Move cleanup of opts_obstack next to
14509         cleanup of save_decoded_options, clearing the latter, and
14510         save_decoded_options_count.
14511
14512 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14513
14514         PR target/69135
14515         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14516         attribute to unconditional.  Remove %? from output template.
14517
14518 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14519             Jiong Wang  <jiong.wang@arm.com>
14520
14521         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14522         generated from different expand order.
14523
14524 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14525
14526         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14527         Add support for CCMP costing.
14528
14529 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14530
14531         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14532         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14533         (fccmpe<mode>): Likewise.
14534         (fcmp): Rename to fcmp and globalize pattern.
14535         (fcmpe): Likewise.
14536         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14537         (aarch64_gen_ccmp_next): Add FP support.
14538
14539 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14540
14541         * target.def (gen_ccmp_first): Update documentation.
14542         (gen_ccmp_next): Likewise.
14543         * doc/tm.texi (gen_ccmp_first): Update documentation.
14544         (gen_ccmp_next): Likewise.
14545         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14546         expand_ccmp_expr_1.  Improve comments.
14547         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14548         (ccmp_ior<mode>): Remove pattern.
14549         (cmp<mode>): Remove expand.
14550         (cmp): Globalize pattern.
14551         (cstorecc4): Use cc_register.
14552         (mov<mode>cc): Remove ccmp_cc_register check.
14553         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14554         Simplify after removal of CC_DNE/* modes.
14555         (aarch64_ccmp_mode_to_code): Remove.
14556         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
14557         In 'k' case use integer as condition.
14558         (aarch64_nzcv_codes): Remove inverted cases.
14559         (aarch64_code_to_ccmode): Remove.
14560         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
14561         comparison with CC register to be used in folowing CCMP/branch/CSEL.
14562         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14563         pattern.  Return the comparison with CC register.  Invert conditions
14564         when bitcode is OR.
14565         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14566         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14567
14568 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14569
14570         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14571         instrumented_version.
14572
14573 2016-01-19  Richard Biener  <rguenther@suse.de>
14574
14575         PR tree-optimization/69336
14576         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14577         handled components with get_ref_base_and_extent.
14578         (equal_mem_array_ref_p): Adjust.
14579
14580 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14581
14582         PR debug/65779
14583         * shrink-wrap.c: Include valtrack.h.
14584         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
14585         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14586         in between insn and where it will be moved to.  Call
14587         dead_debug_insert_temp.
14588         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
14589         first and dead_debug_local_finish at the end.
14590         For uses and defs bitmap, handle all regs in between REGNO and
14591         END_REGNO, not just the first one.
14592
14593 2016-01-19  Richard Biener  <rguenther@suse.de>
14594
14595         PR tree-optimization/69352
14596         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14597         (equal_mem_array_ref_p): Constrain size and max size properly.
14598         Compare the reverse flag.
14599
14600 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
14601
14602         * ira.c (ira): Update regstat data if we deleted insns.
14603
14604 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14605
14606         PR rtl-optimization/68955
14607         PR rtl-optimization/64557
14608         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14609         here.  Fix up formatting.
14610         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14611
14612 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14613
14614         PR lto/69133
14615         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14616         assume that the node has body.
14617         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14618         check.
14619
14620 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14621
14622         * lto-streamer-out.c (lto_output): Do not stream instrumentation
14623         thunks.
14624
14625 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14626
14627         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14628         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14629
14630 2016-01-19  Martin Jambor  <mjambor@suse.cz>
14631             Martin Liska  <mliska@suse.cz>
14632             Michael Matz  <matz@suse.de>
14633
14634         * Makefile.in (OBJS): Add new source files.
14635         (GTFILES): Add hsa.c.
14636         * common.opt (disable_hsa): New variable.
14637         (-Whsa): New warning.
14638         * config.in (ENABLE_HSA): New.
14639         * configure.ac: Treat hsa differently from other accelerators.
14640         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14641         $enable_offloading.
14642         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14643         * doc/install.texi (Configuration): Document --with-hsa-runtime,
14644         --with-hsa-runtime-include, --with-hsa-runtime-lib and
14645         --with-hsa-kmt-lib.
14646         * doc/invoke.texi (-Whsa): Document.
14647         (hsa-gen-debug-stores): Likewise.
14648         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14649         to invoke offload compiler for hsa acclerator.
14650         * opts.c (common_handle_option): Determine whether HSA offloading
14651         should be performed.
14652         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14653         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14654         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14655         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14656         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14657         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14658         GF_OMP_FOR_KIND_GRID_LOOP.
14659         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14660         (pp_gimple_stmt_1): Likewise.
14661         * gimple-walk.c (walk_gimple_stmt): Likewise.
14662         * gimple.c (gimple_build_omp_grid_body): New function.
14663         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14664         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14665         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14666         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14667         GF_OMP_TEAMS_GRID_PHONY.
14668         (gimple_statement_omp_single_layout): Updated comments.
14669         (gimple_build_omp_grid_body): New function.
14670         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14671         (gimple_omp_for_grid_phony): New function.
14672         (gimple_omp_for_set_grid_phony): Likewise.
14673         (gimple_omp_parallel_grid_phony): Likewise.
14674         (gimple_omp_parallel_set_grid_phony): Likewise.
14675         (gimple_omp_teams_grid_phony): Likewise.
14676         (gimple_omp_teams_set_grid_phony): Likewise.
14677         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14678         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14679         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14680         (BUILT_IN_GOMP_TARGET): Updated type.
14681         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14682         (adjust_for_condition): New function.
14683         (get_omp_for_step_from_incr): Likewise.
14684         (extract_omp_for_data): Moved parts to adjust_for_condition and
14685         get_omp_for_step_from_incr.
14686         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14687         (fixup_child_record_type): Bail out if receiver_decl is NULL.
14688         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14689         (scan_omp_parallel): Do not create child functions for phony
14690         constructs.
14691         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14692         (scan_omp_1_op): Checking assert we are not remapping to
14693         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
14694         (parallel_needs_hsa_kernel_p): New function.
14695         (expand_parallel_call): Register apprpriate parallel child
14696         functions as HSA kernels.
14697         (grid_launch_attributes_trees): New type.
14698         (grid_attr_trees): New variable.
14699         (grid_create_kernel_launch_attr_types): New function.
14700         (grid_insert_store_range_dim): Likewise.
14701         (grid_get_kernel_launch_attributes): Likewise.
14702         (get_target_argument_identifier_1): Likewise.
14703         (get_target_argument_identifier): Likewise.
14704         (get_target_argument_value): Likewise.
14705         (push_target_argument_according_to_value): Likewise.
14706         (get_target_arguments): Likewise.
14707         (expand_omp_target): Call get_target_arguments instead of looking
14708         up for teams and thread limit.
14709         (grid_expand_omp_for_loop): New function.
14710         (grid_arg_decl_map): New type.
14711         (grid_remap_kernel_arg_accesses): New function.
14712         (grid_expand_target_kernel_body): New function.
14713         (expand_omp): Call it.
14714         (lower_omp_for): Do not emit phony constructs.
14715         (lower_omp_taskreg): Do not emit phony constructs but create for them
14716         a temporary variable receiver_decl.
14717         (lower_omp_taskreg): Do not emit phony constructs.
14718         (lower_omp_teams): Likewise.
14719         (lower_omp_grid_body): New function.
14720         (lower_omp_1): Call it.
14721         (grid_reg_assignment_to_local_var_p): New function.
14722         (grid_seq_only_contains_local_assignments): Likewise.
14723         (grid_find_single_omp_among_assignments_1): Likewise.
14724         (grid_find_single_omp_among_assignments): Likewise.
14725         (grid_find_ungridifiable_statement): Likewise.
14726         (grid_target_follows_gridifiable_pattern): Likewise.
14727         (grid_remap_prebody_decls): Likewise.
14728         (grid_copy_leading_local_assignments): Likewise.
14729         (grid_process_kernel_body_copy): Likewise.
14730         (grid_attempt_target_gridification): Likewise.
14731         (grid_gridify_all_targets_stmt): Likewise.
14732         (grid_gridify_all_targets): Likewise.
14733         (execute_lower_omp): Call grid_gridify_all_targets.
14734         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14735         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14736         (tree_omp_clause): Added union field dimension.
14737         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14738         * tree.c (omp_clause_num_ops): Added number of arguments of
14739         OMP_CLAUSE__GRIDDIM_.
14740         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14741         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14742         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14743         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14744         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14745         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14746         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14747         * tree-pass.h (make_pass_gen_hsail): Declare.
14748         (make_pass_ipa_hsa): Likewise.
14749         * ipa-hsa.c: New file.
14750         * lto-section-in.c (lto_section_name): Add hsa section name.
14751         * lto-streamer.h (lto_section_type): Add hsa section.
14752         * timevar.def (TV_IPA_HSA): New.
14753         * hsa-brig-format.h: New file.
14754         * hsa-brig.c: New file.
14755         * hsa-dump.c: Likewise.
14756         * hsa-gen.c: Likewise.
14757         * hsa.c: Likewise.
14758         * hsa.h: Likewise.
14759         * toplev.c (compile_file): Call hsa_output_brig.
14760         * hsa-regalloc.c: New file.
14761
14762 2016-01-18  Jeff Law  <law@redhat.com>
14763
14764         PR tree-optimization/69320
14765         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14766         ranged object, do nothing if the RHS constant is not [0..1].
14767         (optimize_stmt): Comparing a boolean ranged object against a
14768         constant outside [0..1] results in a compile-time constant.
14769
14770         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14771         test.
14772
14773 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
14774
14775         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14776         (Option Summary): Update to reflect new section and moved options.
14777         (C++ Dialect Options): Move -fstats to new section.
14778         (Debugging Options): Move all dump, statistics, and other GCC
14779         developer options to new section.  Rewrite section introduction
14780         and re-order remaining options to put the more basic ones first.
14781         (Optimization Options): Move -fira-verbose and -flto-report* to
14782         new section.
14783         (Developer Options): New section incorporating moved options.
14784         * doc/cppopts.texi (-dM): Update cross-reference.
14785
14786 2016-01-18  Richard Henderson  <rth@redhat.com>
14787
14788         PR target/69176
14789         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14790         operands to pseudo only if CSE is expected.  Split long immediate
14791         operands only after reload, and for the stack pointer.
14792         (*add<GPI>3_pluslong): Remove.
14793         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14794         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
14795         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14796         (*add<GPI>3 peepholes): New.
14797         (*add<GPI>3 splitters): New.
14798         * config/aarch64/constraints.md (Upl): New.
14799         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14800
14801 2016-01-18  Richard Biener  <rguenther@suse.de>
14802
14803         PR tree-optimization/69297
14804         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14805         stmt at most once.
14806         (vect_bb_vectorization_profitable_p): Clear visited flag again.
14807
14808 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
14809
14810         PR middle-end/68542
14811         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14812         of mixind vector and scalar types.
14813         (fold_relational_const): Add handling of vector
14814         comparison with boolean result.
14815         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14816         comparison of vector operands with boolean result for EQ/NE only.
14817         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14818         (verify_gimple_cond): Likewise.
14819         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14820         valid type of VAL.
14821
14822 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
14823
14824         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14825         !TARGET_OCTEON.
14826
14827 2016-01-18  Richard Biener  <rguenther@suse.de>
14828
14829         PR middle-end/69308
14830         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14831
14832 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14833
14834         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14835
14836 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14837
14838         * omp-low.c (set_oacc_fn_attrib): Make extern.
14839         * omp-low.h (set_oacc_fn_attrib): Declare.
14840         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14841         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14842         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14843         Add and handle function parameter oacc_kernels_p.
14844         (find_reduc_addr, get_omp_data_i_param): New function.
14845         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14846         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14847         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14848         Calculate dominance info.  Skip loops that are not in a kernels region
14849         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
14850         (pass_parallelize_loops::execute): Call parallelize_loops with
14851         oacc_kernels_p argument.
14852         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14853         New member function.
14854         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14855         * passes.def: Add argument to pass_parallelize_loops instantation.
14856
14857 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14858
14859         * tree-parloops.c (pass_parallelize_loops::execute): Allow
14860         pass_parallelize_loops to be run outside the loop pipeline.
14861
14862 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14863
14864         * tree-scalar-evolution.c (follow_copies_to_constant): New.
14865         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14866
14867 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14868
14869         PR target/63679
14870         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14871         using get_ref_base_and_extent.
14872         (equal_mem_array_ref_p): New.
14873         (hashable_expr_equal_p): Add call to previous.
14874
14875 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14876
14877         PR target/63679
14878         * tree-sra.c (disqualified_constants, constant_decl_p): New.
14879         (sra_initialize): Allocate disqualified_constants.
14880         (sra_deinitialize): Free disqualified_constants.
14881         (disqualify_candidate): Update disqualified_constants when appropriate.
14882         (create_access): Scan for constant-pool entries as we go along.
14883         (scalarizable_type_p): Add check against type_contains_placeholder_p.
14884         (maybe_add_sra_candidate): Allow constant-pool entries.
14885         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14886         (initialize_constant_pool_replacements): New.
14887         (sra_modify_assign): Avoid mangling assignments created by previous,
14888         and don't generate writes into constant pool.
14889         (sra_modify_function_body): Call initialize_constant_pool_replacements.
14890
14891 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
14892
14893         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14894         andnot instruction.
14895         (scalar_chain::convert_op): Likewise.
14896         * config/i386/i386.md (*andndi3_doubleword): New.
14897
14898 2016-01-18  Richard Biener  <rguenther@suse.de>
14899
14900         PR tree-optimization/69170
14901         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
14902         building a vector from scalar results of a pattern stmt.
14903
14904 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
14905
14906         * haifa-sched.c (autopref_multipass_init): Work around
14907         -Wmaybe-uninitialized warning.
14908
14909 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14910
14911         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
14912         against the constant 0.
14913
14914 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14915
14916         PR tree-optimization/68799
14917         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
14918         look up phi candidates in the statement-candidate map.
14919         (phi_add_costs): Likewise.
14920         (record_phi_increments): Likewise.
14921         (phi_incr_cost): Likewise.
14922         (ncd_with_phi): Likewise.
14923         (all_phi_incrs_profitable): Likewise.
14924
14925 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
14926
14927         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
14928         -Wmaybe-uninitialized warning.
14929
14930 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
14931
14932         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14933         (Option Summary): Update to reflect new section and moved options.
14934         (C++ Dialect Options): Move -fvtable-verify and related options.
14935         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
14936         and profiling-related options.
14937         (Optimization Options): Move profile generation options and
14938         -fstack-protector and related options.
14939         (Instrumentation Options): New section incorporating moved options.
14940         (Code Generation Options): Move -finstrument-functions and
14941         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
14942
14943 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14944
14945         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
14946
14947 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14948
14949         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
14950
14951 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
14952
14953         * hash-table.h (hash_table::empty): Turn into an inline wrapper
14954         that checks whether the table is already empty.  Rename the
14955         original implementation to...
14956         (hash_table::empty_slot): ...this new private function.
14957
14958 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
14959
14960         PR diagnostic/68899
14961         * diagnostic-show-locus.c (layout::print_source_line): Move x
14962         offset of line until after call to
14963         get_line_width_without_trailing_whitespace.
14964
14965 2016-01-15  Jeff Law  <law@redhat.com>
14966
14967         PR tree-optimization/69270
14968         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
14969         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
14970         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
14971         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
14972         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
14973         ssa_name_has_boolean_range and constant_boolean_node.
14974
14975 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
14976
14977         PR rtl-optimization/69030
14978         * lra-spills.c (remove_pseudos): Check nrefs and make the function
14979         returning bool.
14980         (spill_pseudos): Delete debug insn for dead pseudo.
14981         (lra_spill): Initiate spill_hard_reg and slots memory separately.
14982
14983 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
14984
14985         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
14986         New.
14987         (TYPES_UNOPUS): Likewise.
14988         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
14989         builtin type, from UNOP to UNOPUS.
14990         (lbtruncuv4sf): Likewise.
14991         (lbtruncuv2df): Likewise.
14992         (lrounduv2sf): Likewise.
14993         (lrounduv4sf): Likewise.
14994         (lrounduv2df): Likewise.
14995         (lroundusf): Likewise.
14996         (lroundusf): Likewise.
14997         (lceiluv2sf): Likewise.
14998         (lceiluv4sf): Likewise.
14999         (lceiluv2df): Likewise.
15000         (lceilusf): Likewise.
15001         (lceiludf): Likewise.
15002         (lflooruv2sf): Likewise.
15003         (lflooruv4sf): Likewise.
15004         (lflooruv2df): Likewise.
15005         (lfloorusf): Likewise.
15006         (lfloorudf): Likewise.
15007         (lfrintnuv2sf): Likewise.
15008         (lfrintnuv4sf): Likewise.
15009         (lfrintnuv2df): Likewise.
15010         (lfrintnusf): Likewise.
15011         (lfrintnudf): Likewise.
15012         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
15013         conversion.
15014         (vcvtq_u32_f32): Likewise.
15015         (vcvtq_u64_f64): Likewise.
15016         (vcvta_u32_f32): Likewise.
15017         (vcvtaq_u32_f32): Likewise.
15018         (vcvtaq_u64_f64): Likewise.
15019         (vcvtm_u32_f32): Likewise.
15020         (vcvtmq_u32_f32): Likewise.
15021         (vcvtmq_u64_f64): Likewise.
15022         (vcvtn_u32_f32): Likwise.
15023         (vcvtnq_u32_f32): Likewise.
15024         (vcvtnq_u64_f64): Likewise.
15025         (vcvtp_u32_f32): Likewise.
15026         (vcvtpq_u32_f32): Likewise.
15027         (vcvtpq_u64_f64): Likewise.
15028         (vcvtmd_u64_f64): Likewise.
15029         (vcvtms_u32_f32): Likewise.
15030         (vcvtad_u64_f64): Likewise.
15031         (vcvtas_u32_f32): Likewise.
15032         (vcvtnd_u64_f64): Likewise.
15033         (vcvtns_u32_f32): Likewise.
15034         (vcvtpd_u64_f64): Likewise.
15035         (vcvtps_u32_f32): Likewise.
15036
15037 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15038
15039         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
15040         CSEL of zero_extended registers.
15041
15042 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15043
15044         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
15045         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
15046
15047 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15048
15049         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
15050         false when argument string is not found in the attributes table
15051         at all.
15052
15053 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
15054
15055         PR target/68609
15056         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
15057         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
15058         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
15059         precision estimate.
15060
15061 2016-01-15  Richard Biener  <rguenther@suse.de>
15062
15063         PR tree-optimization/66856
15064         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
15065         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
15066         (vect_create_new_slp_node): Increment stmt reference count.
15067         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
15068         an SLP tree before swapping operands.
15069         (vect_build_slp_tree): Likewise.
15070         (destroy_bb_vec_info): Free stmt info after SLP instances.
15071         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
15072         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
15073         (STMT_VINFO_NUM_SLP_USES): New macro.
15074
15075 2016-01-15  Richard Biener  <rguenther@suse.de>
15076
15077         PR debug/69137
15078         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
15079         (add_linkage_name): ... here.
15080         (gen_typedef_die): Use add_linkage_name_raw instead of
15081         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
15082         if necessary.
15083
15084 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
15085
15086         * gimplify.c (oacc_default_clause): Decode reference and pointer
15087         types for both kernels and parallel regions.
15088
15089 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
15090
15091         PR middle-end/69246
15092         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
15093
15094 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15095
15096         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
15097         (convert_scalars_to_vector): Likewise.
15098
15099 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
15100
15101         * doc/extend.texi (Type Traits): Fix grammar.
15102
15103 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15104
15105         * tree-inline.c (remap_decl): Use existing dclarations if
15106         remapping a type and prevent_decl_creation_for_types.
15107         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15108         decls first.  Do real remapping with
15109         prevent_decl_creation_for_types set.
15110         * tree-inline.h (copy_body_data): New field
15111         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15112         padding.
15113
15114 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15115
15116         * config/s390/s390.opt (mmvcle): More verbose help text.
15117
15118 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15119
15120         * config/s390/s390.opt: Add period to -mzvector option text.
15121
15122 2016-01-15  Richard Biener  <rguenther@suse.de>
15123
15124         PR tree-optimization/68961
15125         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15126         of invariants in stores again.
15127
15128 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15129
15130         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15131
15132 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15133
15134         * config/i386/i386.c (ix86_expand_branch): Don't split
15135         DI mode xor instruction to SI mode.
15136
15137 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15138
15139         PR ipa/68148
15140         * ipa-icf.c (sem_function::merge): Virtual functions may become
15141         reachable even if they address is not taken and there are no
15142         idrect calls.
15143
15144 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15145
15146         * lto-streamer-out.c (subtract_estimated_size): New function.
15147         (get_symbol_initial_value): Use it.
15148
15149 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15150
15151         PR target/65837
15152         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15153         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15154         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15155         use add_builtin_function_ext_scope instead of add_builtin_function.
15156         (neon_set_p, neon_crypto_set_p): Remove.
15157         (arm_init_builtins): Always call arm_init_neon_builtins and
15158         arm_init_crypto_builtins.
15159         (arm_expand_builtin): Check that builtins are allowed for the arch.
15160         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15161         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15162         arm_init_neon_builtins call.
15163
15164 2016-01-15  Richard Biener  <rguenther@suse.de>
15165
15166         PR tree-optimization/69117
15167         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15168         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15169         of the leader conservatively.
15170         (free_scc_vn): Restore original SSA name infos.
15171
15172 2016-01-14  Jeff Law  <law@redhat.com>
15173
15174         PR tree-optimization/69270
15175         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15176         single bit of precision, verify it's also unsigned.
15177         (record_edge_info): Use constant_boolean_node rather than fold_convert
15178         to convert boolean_true/boolean_false to the right type.
15179
15180 2016-01-14  Richard Henderson  <rth@redhat.com>
15181
15182         PR rtl-opt/69014
15183         * loop-doloop.c (record_reg_sets): New.
15184         (doloop_optimize): Reject the transform if the sequence
15185         clobbers registers live at the end of the loop block.
15186         (doloop_optimize_loops): Enable df_live if needed.
15187
15188 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15189
15190         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15191         * config/rs6000/rs6000.c: Likewise.
15192         * config/rs6000/rs6000.h: Likewise.
15193         * config/rs6000/rs6000.md: Likewise.
15194         * doc/extend.texi: Likewsie.
15195
15196 2016-01-14  Jeff Law  <law@redhat.com>
15197
15198         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15199         typo.
15200
15201 2016-01-14  Richard Henderson  <rth@redhat.com>
15202
15203         PR c/69272
15204         PR tree-opt/68964
15205         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15206         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15207         instead of builtin_decl_declared_p to test for declaration.
15208
15209 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15210
15211         * doc/loop.texi (Loop Analysis and Representation): Document
15212         loop_depth function.
15213
15214 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15215
15216         PR tree-optimization/68773
15217         * omp-low.c (expand_omp_target): Don't set force_output.
15218         * varpool.c (varpool_node::get_create): Same.
15219         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15220         offload_funcs with force_output.
15221
15222 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15223
15224         PR debug/69244
15225         * lra-eliminations.c (move_plus_up): Don't change anything if either
15226         the outer or inner subreg mode is not MODE_INT.
15227         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15228         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15229
15230 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15231
15232         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15233         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15234         reduc_uplus_@var{m}): Remove.
15235         * expr.c (expand_expr_real_2): Remove expansion path for
15236         reduc_[us](min|max|plus) optabs.
15237         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15238         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15239         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15240         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15241         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15242         reduc_[us](min|max|plus) optabs.
15243
15244 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15245
15246         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15247         (reduc_plus_scal_v2sf): New.
15248         (reduc_smax_v2sf): Rename to...
15249         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15250         (reduc_smin_v2sf): Rename to...
15251         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15252
15253 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15254
15255         * alias.c (compare_base_symbol_refs): New function.
15256         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15257         it.
15258
15259 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15260
15261         PR middle-end/68146
15262         PR tree-optimization/69155
15263         * tree-complex.c: Include cfganal.h.
15264         (phis_to_revisit): New variable.
15265         (extract_component): Add phiarg_p argument.  Assert that returned
15266         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15267         (update_phi_components): Partly rewrite to use loop over real/imag
15268         components instead of code duplication.  If extract_component returns
15269         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15270         create_tmp_reg into the PHI node instead, and mention the phi triplet
15271         in phis_to_revisit.
15272         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15273         in phis_to_revisit at the end.
15274
15275 2016-01-14  Richard Biener  <rguenther@suse.de>
15276
15277         PR tree-optimization/68060
15278         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15279         outer loop reduction is only used in the inner loop before
15280         detecting a double reduction.
15281
15282 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15283
15284         PR target/68269
15285         * combine.c (expand_field_assignment): Punt if compute_mode is
15286         unsupported scalar mode.
15287
15288 2016-01-14  Richard Biener  <rguenther@suse.de>
15289
15290         PR tree-optimization/66856
15291         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15292         SLP node only if it built successfully.
15293         (vect_analyze_slp_instance): Adjust.
15294
15295 2016-01-14  Jeff Law  <law@redhat.com>
15296
15297         PR tree-optimization/69270
15298         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15299         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15300         to the type of op0.
15301
15302 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15303
15304         PR ipa/66487
15305         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15306         use block_ultimate_origin
15307         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15308
15309 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15310
15311         * doc/invoke.texi (Submodel Options): Rename section to
15312         "Machine-Dependent Options" to better reflect its content.
15313         Rewrite introductory text to remove archaic CPU names.
15314         Update references.
15315
15316 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15317
15318         * doc/invoke.texi (Code Gen Options): Move section up in file,
15319         before target-specific options.  Update menu and option summary
15320         to reflect the new section ordering.
15321
15322 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15323
15324         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15325         (C++ Dialect Options): Add cross-reference to -std option.
15326         * doc/standards.texi (C++ Language): Document C++14 support.
15327
15328 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15329
15330         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15331         for pack/unpack functions for __ibm128.
15332         (PACK_IF): Likewise.
15333         (UNPACK_IF): Likewise.
15334
15335         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15336         support for __ibm128 pack/unpack functions.
15337         (rs6000_invalid_builtin): Likewise.
15338         (rs6000_init_builtins): Likewise.
15339         (rs6000_opt_masks): Likewise.
15340
15341         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15342         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15343         functions
15344         (RS6000_BTM_COMMON): Likewise.
15345
15346         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15347         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15348         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15349         128-bit floating point.  Add support for the double values to be
15350         in Altivec registers for TF/IF packing and unpacking, but restrict
15351         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15352         register support for packing.  Allow pack inputs to be memory
15353         locations.  Don't build generator functions for unpack<mode>_dm
15354         and unpack<mode>_nodm.
15355         (unpack<mode>_dm): Likewise.
15356         (unpack<mode>_nodm): Likewise.
15357         (pack<mode>): Likewise.
15358
15359         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15360         built-in functions to pack/unpack explicit __ibm128 values.
15361         (__builtin_unpack_ibm128): Likewise.
15362
15363         * doc/extend.texi (PowerPC Built-in Functions): Document
15364         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15365
15366 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15367
15368         PR c/66208
15369         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15370         Add new arg loc and pass it down as context.
15371         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15372         to the location to use for the warning.
15373         (check_function_arguments): New arg loc.  All callers changed.  Pass
15374         it to check_function_nonnull.
15375         * c-common.h (check_function_arguments): Adjust declaration.
15376
15377 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15378
15379         PR tree-optimization/69156
15380         * gimple.c (validate_type): Removed.
15381         (gimple_builtin_call_types_compatible_p): Use
15382         useless_type_conversion_p instead of validate_type.
15383         * value-prof.c (gimple_stringop_fixed_value): Fold
15384         icall_size to correct type.
15385
15386 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15387
15388         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15389         effects.
15390
15391 2016-01-13  Richard Henderson  <rth@redhat.com>
15392
15393         PR tree-opt/68964
15394         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15395         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15396         (ix86_builtin_tm_store): Remove.
15397         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15398         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15399         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15400         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15401         * doc/tm.texi: Rebuild.
15402
15403         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15404         (BUILT_IN_TM_MEMCPY_RTWN): New.
15405         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15406         fallback from vector to integer helpers.
15407         (build_tm_load): Handle vector types directly, instead of
15408         via target hook.
15409         (build_tm_store): Likewise.
15410         (expand_assign_tm): Prepare for register types not handled by
15411         the above.  Copy them to memory and use memcpy.
15412         * tree.c (tm_define_builtin): New.
15413         (find_tm_vector_type): New.
15414         (build_tm_vector_builtins): New.
15415         (build_common_builtin_nodes): Call it.
15416
15417 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15418
15419         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15420         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15421
15422 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15423
15424         PR tree-optimization/69169
15425         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15426         handled_struct_type param.
15427         (create_variable_info_for, intra_create_variable_infos): Call
15428         create_variable_info_for_1 with extra arg.
15429
15430 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15431
15432         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15433         and "armv8.1-a+crc" entries.
15434
15435 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15436
15437         PR target/69228
15438         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15439         Change first operand predicate from register_or_constm1_operand
15440         to register_operand.
15441         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15442         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15443         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15444         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15445         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15446         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15447         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15448         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15449         comparison with constm1_rtx from vec_prefetch_gen part.
15450
15451 2016-01-13  Richard Biener  <rguenther@suse.de>
15452
15453         PR tree-optimization/69013
15454         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15455         Exchange assert for a test.
15456
15457 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15458
15459         PR target/69247
15460         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15461
15462 2016-01-13  Richard Biener  <rguenther@suse.de>
15463
15464         PR tree-optimization/69242
15465         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15466         assert with a check.
15467
15468 2016-01-13  Richard Biener  <rguenther@suse.de>
15469
15470         PR tree-optimization/69186
15471         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15472         Properly guard vect_update_misalignment_for_peel call.
15473
15474 2016-01-12  Jeff Law  <law@redhat.com>
15475
15476         PR tree-optimization/pr67755
15477         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15478         "need_profile_correction".
15479         (thread_block_1): Initialize new field to false by default.  If we
15480         have multiple thread paths through a common joiner to different
15481         final targets, then set new field to true.
15482         (compute_path_counts): Only do count adjustment when it's really
15483         needed.
15484
15485 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15486
15487         * doc/invoke.texi (Spec Files): Move section down in file, past
15488         all command-line option descriptions.
15489
15490 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15491
15492         PR middle-end/54809
15493         * doc/gty.texi: Remove documentation of mark_hook.
15494         * gengtype.c (struct write_types_data): Remove code to support
15495         mark_hook attribute.
15496         (walk_type): Likewise.
15497         (write_func_for_structure): Likewise.
15498
15499 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15500
15501         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15502         Directory Options, and -specs= to Overall Options.
15503         (Overall Options): Adjust similarly.  Reorder to group related
15504         options together.  Make -specs= cross-reference the spec file details.
15505         (Directory Options): Adjust similarly.
15506
15507 2016-01-12  Jeff Law  <law@redhat.com>
15508
15509         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15510
15511 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15512
15513         * gcc.c (spec_undefvar_allowed): New global.
15514         (process_command): Set to true when running for --version or --help,
15515         alone or together.
15516         (getenv_spec_function): When the variable is not defined, use the
15517         variable name as the variable value if we're allowed not to issue
15518         a fatal error.
15519
15520 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15521
15522         PR tree-optimization/68911
15523         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15524         information computed for expression "init + nit * step".
15525
15526 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15527
15528         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15529         about name of GCC executable.  Remove deleted node from menu.
15530         (Directory Options) <-B>: Remove cross-reference to deleted node.
15531         (Target Options): Delete section.
15532
15533 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15534
15535         PR target/69180
15536         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15537         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15538
15539 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15540
15541         PR target/69198
15542         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15543         aligned_mem is properly set for AVX512-VL floating point masked
15544         stores.
15545
15546         PR target/69175
15547         * ifcvt.c (cond_exec_process_if_block): When removing the last
15548         insn from then_bb, remove also any possible barriers that follow it.
15549
15550 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
15551
15552         PR target/68456
15553         PR target/69226
15554         * config/i386/iamcu.h (SIZE_TYPE): New macro.
15555         (PTRDIFF_TYPE): Likewise.
15556         (WCHAR_TYPE): Likewise.
15557         (WCHAR_TYPE_SIZE): Likewise.
15558         (STDINT_LONG32): Likewise.
15559
15560 2016-01-12  Richard Biener  <rguenther@suse.de>
15561
15562         PR tree-optimization/69053
15563         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15564         convert initial value for cond reductions.
15565
15566 2016-01-12  Richard Biener  <rguenther@suse.de>
15567
15568         PR tree-optimization/69007
15569         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15570         widen_sum after dot_prod and sad.
15571
15572 2016-01-12  Richard Biener  <rguenther@suse.de>
15573
15574         PR tree-optimization/69168
15575         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15576         pattern stmt SLP type.
15577         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15578         end up unused so cope with that case.
15579
15580 2016-01-12  Richard Biener  <rguenther@suse.de>
15581
15582         PR tree-optimization/69157
15583         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15584         stmts def type only during analyze phase.
15585         (vectorizable_call): Likewise.
15586         (vectorizable_simd_clone_call): Likewise.
15587         (vectorizable_conversion): Likewise.
15588         (vectorizable_assignment): Likewise.
15589         (vectorizable_shift): Likewise.
15590         (vectorizable_operation): Likewise.
15591         (vectorizable_store): Likewise.
15592         (vectorizable_load): Likewise.
15593
15594 2016-01-12  Richard Biener  <rguenther@suse.de>
15595
15596         PR tree-optimization/69174
15597         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15598         space.
15599         (vectorizable_load): Properly compute the number of loads needed
15600         for permuted strided SLP loads and do not spuriously assign
15601         to SLP_TREE_VEC_STMTS.
15602
15603 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
15604
15605         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15606         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15607         (MD_EXEC_PREFIX): Remove.
15608         (MD_STARTFILE_PREFIX) Removee.
15609         (FILE_NAME_ABSOLUTE_P): Remove.
15610         (CPP_SPEC): Do not read macros from sys/version.h.
15611         (LINK_COMMAND_SPEC): Remove.
15612         (LOCAL_INCLUDE_DIR): Remove.
15613         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15614         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15615         (POST_LINK_SPEC): Define to invoke stubify after linker
15616         (LIBSTDCXX): Remove define
15617         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15618         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15619         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15620         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15621         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15622         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15623         (i386_djgpp_asm_named_section): Add propotype of new procedure
15624
15625         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15626         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15627         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15628         in config/i386/djgpp.h).
15629         (STANDARD_STARTFILE_PREFIX_2): Define identical to
15630         STANDARD_STARTFILE_PREFIX_1.
15631         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15632         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15633         installation errors.
15634         (MAX_OFILE_ALIGNMENT): Define to 128.
15635         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15636
15637         * config/i386/djgpp.c: New file. Add implementation of
15638         i386_djgpp_asm_named_section.
15639
15640         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15641
15642         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15643         Add rule for building djgpp.o.
15644
15645 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15646
15647         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15648         (rtx_is_swappable_p): Reductions are swappable.
15649         (insn_is_swappable_p): V2DF reductions are swappable.
15650
15651 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
15652
15653         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15654         reloads for other unsupported memory operands.
15655
15656 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15657             Jim Wilson  <jim.wilson@linaro.org>
15658
15659         PR target/69194
15660         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15661         copy_to_mode_reg instead of force_reg.
15662
15663 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15664
15665         PR target/69225
15666         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15667         TARGET_80387 is true.
15668
15669 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
15670
15671         PR target/69071
15672         * lra-eliminations.c (move_plus_up): Only move plus up
15673         if subreg of the constant can be simplified into constant
15674         and use the simplified subreg of the constant instead of
15675         the original constant.
15676
15677         * fold-const.c (fold_convertible_p): Don't return true
15678         for conversion of VECTOR_TYPE to same sized integral type.
15679         (fold_convert_loc): Fix up formatting.  Fold conversion of
15680         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15681         instead of NOP_EXPR.
15682
15683         PR tree-optimization/69214
15684         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15685         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15686         Formatting fix.
15687
15688         PR tree-optimization/69207
15689         * tree-vect-slp.c (vect_get_constant_vectors): For
15690         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15691         fold_convertible_p to vector_type's element type, and always
15692         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15693
15694 2016-01-11  Richard Biener  <rguenther@suse.de>
15695
15696         PR tree-optimization/69173
15697         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15698         fixup the cycle if all stmts are in a pattern.
15699
15700 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
15701
15702         PR middle-end/68999
15703         * alias.c (base_alias_check): Move check for addresses with
15704         alignment ANDs before the call for compare_base_decls.
15705         (memrefs_conflict_p): Return -1 for different decls
15706         that went through alignment adjustments.
15707
15708 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15709
15710         PR rtl-optimization/68796
15711         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15712         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15713         and QImode comparisons against zero with CC_NZmode.
15714         * config/aarch64/iterators.md (short_mask): New mode_attr.
15715
15716 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15717
15718         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15719         (<avx512>_store<mode>_mask): Likewise.
15720
15721 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
15722             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15723
15724         PR rtl-optimization/68841
15725         * ifcvt.c (struct noce_if_info): Add orig_x field.
15726         (bbs_ok_for_cmove_arith): Add to_rename parameter.
15727         Don't record conflicts on to_rename if it's present.
15728         Allow memory destinations in sets.
15729         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15730         blocks, passing orig_x to the checks.
15731         (noce_process_if_block): Set if_info->orig_x appropriately.
15732
15733 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15734
15735         PR tree-optimization/69069
15736         * tree-parloops.c (create_parallel_loop): Add missing phi args.
15737
15738 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
15739
15740         PR rtl-optimization/68920
15741         * config/i386/i386.c (ix86_option_override_internal): Restrict number
15742         of conditional moves for  RTL if-conversion to 1 for
15743         TARGET_ONE_IF_CONV_INSN.
15744         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15745         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15746         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15747         parameter to restirct number of conditional moves for
15748         RTL if-conversion.
15749         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15750         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15751         conditionl moves.
15752
15753 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
15754
15755         PR bootstrap/69123
15756         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15757         onepart vars.  Fix typo in comment.  Fix reversed condition in
15758         unshare test.
15759         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15760
15761         PR bootstrap/69123
15762         * var-tracking.c (dump_onepart_variable_differences): New.
15763         (dataflow_set_different): If a detailed dump is requested,
15764         delay early returns and dump differences between onepart
15765         variables present before and after, and added variables.
15766
15767 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
15768
15769         PR target/69010
15770         * expr.c (expand_expr_real_1): For boolean vector constants
15771         with a scalar mode use const_scalar_mask_from_tree.
15772         (const_scalar_mask_from_tree): New.
15773         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15774         assigned to a mask type to handle constants.
15775
15776 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15777
15778         PR ipa/69044
15779         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15780         useless parameters if we cannot change function signature.
15781
15782 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15783
15784         PR ipa/66616
15785         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15786         flag.
15787
15788 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15789
15790         PR tree-optimization/69109
15791         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15792         latch with phi.
15793
15794 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15795
15796         PR tree-optimization/69108
15797         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15798         res is not used in a phi.
15799
15800 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
15801
15802         PR 67425
15803         * common.opt (frandom-seed): Fix parameter name.
15804         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15805
15806 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15807
15808         PR tree-optimization/69058
15809         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15810         not supported.
15811
15812 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
15813
15814         * config/arc/arc.opt (mdiv-rem): Add period to the end.
15815         (mcode-density): Likewise.
15816
15817 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15818
15819         PR tree-optimization/69062
15820         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15821         (parallelize_loops): Don't paralelize loop that has phi with address
15822         arg.
15823
15824 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15825
15826         PR tree-optimization/69039
15827         * tree-parloops.c (try_create_reduction_list): Only allow single exit
15828         phi for reduction.
15829
15830 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
15831
15832         PR middle-end/68743
15833         * match.pd: Require target has function_c99_misc before doing
15834         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15835
15836 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
15837
15838         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15839         use GMPINC.
15840         * configure: Regenerate.
15841
15842 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
15843
15844         PR middle-end/50865
15845         PR tree-optimization/69097
15846         * fold-const.h (expr_not_equal_to): New prototype.
15847         * fold-const.c: Include stringpool.h and tree-ssanames.h.
15848         (expr_not_equal_to): New function.
15849         * match.pd (X % -Y is the same as X % Y): Don't optimize
15850         unless X is known not to be equal to minimum or Y is known
15851         not to be equal to -1.
15852         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15853         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15854         (simplify_stmt_using_ranges): Adjust caller.
15855         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15856         substitute_and_fold.
15857
15858 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
15859
15860         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15861         w/o DECL_NAME.
15862
15863 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15864
15865         PR tree-optimization/69167
15866         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15867         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15868         ops[0] comparison.
15869         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15870
15871 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15872             Richard Biener  <rguenther@suse.de>
15873
15874         PR tree-optimization/68707
15875         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15876         instances that can be handled via vect_load_lanes.
15877
15878 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
15879
15880         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15881         if we can't determine address equivalence.
15882         * alias.c (compare_base_decl): Update for changed return value of
15883         symtab_node::equal_address_to.
15884
15885 2016-01-08  Jason Merrill  <jason@redhat.com>
15886
15887         PR c++/68983
15888         PR c++/67557
15889         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15890         * expr.c (store_field): Not here.
15891         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15892         call with TREE_ADDRESSABLE type.
15893         * tree-cfg.c (verify_gimple_call): Adjust.
15894
15895 2016-01-08  Olivier Hainque  <hainque@adacore.com>
15896
15897         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
15898         libc_internal.
15899
15900 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15901
15902         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
15903         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
15904         (reduc_smin_v2sf): Rename to...
15905         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
15906         (reduc_splus_v2sf): Rename to...
15907         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
15908
15909 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15910
15911         PR tree-optimization/69162
15912         * gimplify.c (gimplify_va_arg_expr): Encode original type of
15913         valist argument in another argument.
15914         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
15915         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
15916         to determine the va_list type, build a MEM_REF instead of
15917         build_fold_indirect_ref.
15918
15919         PR tree-optimization/69172
15920         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
15921         gimple_build.
15922
15923 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15924
15925         PR tree-optimization/67781
15926         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
15927         and cmpnop in two steps: first the ones not accessed in original
15928         gimple expression in a endian independent way and then the ones not
15929         accessed in the final result in an endian-specific way.
15930
15931 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15932
15933         PR tree-optimization/69083
15934         * tree-vect-slp.c (vect_get_constant_vectors): For
15935         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
15936         element type.  If op is fold_convertible_p to vector_type's element
15937         type, use NOP_EXPR instead of VCE.
15938
15939 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
15940
15941         PR rtl-optimization/67778
15942         PR rtl-optimization/68634
15943         PR rtl-optimization/68909
15944         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
15945         block from the stack until done with it.  Remove a superfluous
15946         bitmap set.  Remove a superfluous bitmap test.
15947
15948 2016-01-07  Martin Sebor  <msebor@redhat.com>
15949
15950         PR c/68966
15951         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
15952         constraint on the type of arguments.
15953
15954 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
15955
15956         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
15957         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
15958         unaligned_access on the gcc_options set.
15959         * config/arm/arm.c (arm_option_override_internal): Use
15960         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
15961
15962 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15963
15964         PR target/69140
15965         * config/i386/i386.c (ix86_frame_pointer_required): Enable
15966         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
15967
15968 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15969
15970         Revert
15971         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15972
15973         PR target/69140
15974         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15975         depending on frame_pointer_needed before remaining integer and SSE
15976         registers are saved.
15977
15978 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
15979
15980         PR 1078
15981         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
15982
15983 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
15984
15985         PR target/69171
15986         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
15987         Use the "xBm" constraint.
15988         (float<sseintvecmodelower><mode>2<mask_name><round_name):
15989         Likewise.
15990         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
15991         (sse_cvtsi2ssq<round_name>): Likewise.
15992         (sse_cvtss2si<round_name>): Likewise.
15993         (sse_cvtss2siq<round_name>): Likewise.
15994         (sse2_cvtsi2sdq<round_name>): Likewise.
15995         (sse2_cvtsd2si<round_name>): Likewise.
15996         (sse2_cvtsd2siq<round_name>): Likewise.
15997         * config/i386/subst.md (round_nimm_scalar_predicate): New
15998         predicate.
15999
16000 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
16001
16002         PR middle-end/67639
16003         * varasm.c (make_decl_rtl): Mark invalid register vars as
16004         DECL_EXTERNAL.
16005
16006         PR rtl-optimization/66206
16007         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
16008         All callers changed.
16009
16010 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
16011
16012         PR tree-optimization/69141
16013         * tree-ssa-pre.c: Include langhooks.h.
16014         (eliminate_dom_walker::before_dom_children): Use
16015         lang_hooks.decl_printable_name instead of
16016         cgraph_node::get ()->name ().
16017
16018         PR middle-end/68960
16019         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
16020         it and DECL_ALIGN too.
16021
16022 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
16023
16024         * config/mips/mips-ftypes.def: Sort to lexicographical order.
16025
16026 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
16027
16028         PR target/69140
16029         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
16030         depending on frame_pointer_needed before remaining integer and SSE
16031         registers are saved.
16032
16033 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16034
16035         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
16036         mode iterator with VSX_M2.
16037         (*p9_vecstore_<mode>): Likewise.
16038         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
16039         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
16040         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
16041         (define_split for VSX_LE128 stores): Likewise.
16042         (define_peephole2 for TImode LE swaps): Likewise.
16043         (define_split for VSX_LE128 post-reload stores): Likewise.
16044
16045 2016-01-06  Marek Polacek  <polacek@redhat.com>
16046
16047         PR sanitizer/69099
16048         * convert.c (convert_to_integer_1): Adjust call to
16049         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
16050         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
16051         EXPR instead of ARG.
16052         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
16053
16054 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16055
16056         PR 1078
16057         * doc/extend.texi (RL78 Variable Attributes): New section.
16058
16059 2016-01-05  Marek Polacek  <polacek@redhat.com>
16060
16061         PR c/69104
16062         * builtins.c (get_memmodel): Use expansion point location rather than
16063         the input location.  Call warning_at rather than warning.
16064         (expand_builtin_atomic_compare_exchange): Likewise.
16065         (expand_builtin_atomic_load): Likewise.
16066         (expand_builtin_atomic_store): Likewise.
16067         (expand_builtin_atomic_clear): Likewise.
16068
16069 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16070
16071         PR target/68991
16072         * config/i386/i386.c (ix86_expand_vector_logical_operator):
16073         Replace nonimmediate_operand with vector_operand.
16074         * config/i386/predicates.md (vector_operand): New predicate.
16075         (general_vector_operand): Replace nonimmediate_operand with
16076         vector_operand.
16077         * config/i386/sse.md: Replace nonimmediate_operand with
16078         vector_operand and m constraint with Bm constraint on SSE
16079         patterns with 16-byte memory operand.
16080         * config/i386/subst.md (round_nimm_predicate): Replace
16081         nonimmediate_operand with vector_operand.
16082         (round_saeonly_nimm_predicate): Likewise.
16083         (round_saeonly_nimm_scalar_predicate): New.
16084
16085 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
16086
16087         PR target/68991
16088         * config/i386/constraints.md (Bm): New constraint.
16089         * config/i386/predicates.md (vector_memory_operand): New
16090         predicate.
16091         * config/i386/sse.md: Replace xm with xBm in plusminus and
16092         any_logic patterns.
16093
16094 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16095
16096         PR 1078
16097         * doc/extend.texi (V850 Function Attributes): New section.
16098         (V850 Variable Attributes): New section.
16099
16100 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
16101
16102         PR 1078
16103         * doc/extend.texi (MicroBlaze Function Attributes): Document
16104         interrupt_handler and fast_interrupt attributes.
16105
16106 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16107
16108         PR other/60465
16109         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16110         for local symbolic operands.
16111         * config/ia64/predicates.md (local_symbolic_operand64): New
16112         predicate.
16113
16114 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16115
16116         PR rtl-optimization/68651
16117         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16118         x << 1.
16119
16120 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16121
16122         * alias.c (compare_base_decls): Use symtab_node::get.
16123
16124 2016-01-05  Nick Clifton  <nickc@redhat.com>
16125
16126         PR target/68770
16127         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16128         secondary_reload_info structure.
16129
16130         PR target/66655
16131         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16132         decls if weak support is available.
16133
16134 2016-01-04  Martin Sebor  <msebor@redhat.com>
16135
16136         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16137
16138 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16139
16140         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16141         OPTION_MASK_P9_DFORM.
16142
16143         * config/rs6000/constraints.md (wo constraint): New constraint for
16144         ISA 3.0 (power9).
16145
16146         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16147         for wo constraint.
16148         (rs6000_init_hard_regno_mode_ok): Likewise.
16149
16150         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16151         wo constraint.
16152
16153         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16154         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16155         instruction.  Add support for fusing xxlor with xxperm.
16156         (altivec_vperm_<mode>_internal): Likewise.
16157         (altivec_vperm_v8hiv16qi): Likewise.
16158         (altivec_vperm_<mode>v16q): Likewise.
16159         (altivec_vperm_<mode>_uns): Likewise.
16160         (vperm_v8hiv4si): Likewise.
16161         (vperm_v16qiv8hi): Likewise.
16162
16163         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16164
16165 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16166
16167         Update copyright years.
16168
16169         * gcc.c (process_command): Update copyright notice dates.
16170         * gcov-dump.c (print_version): Ditto.
16171         * gcov.c (print_version): Ditto.
16172         * gcov-tool.c (print_version): Ditto.
16173         * gengtype.c (create_file): Ditto.
16174         * doc/cpp.texi: Bump @copying's copyright year.
16175         * doc/cppinternals.texi: Ditto.
16176         * doc/gcc.texi: Ditto.
16177         * doc/gccint.texi: Ditto.
16178         * doc/gcov.texi: Ditto.
16179         * doc/install.texi: Ditto.
16180         * doc/invoke.texi: Ditto.
16181
16182 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16183
16184         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16185         modes larger than TImode as TImode if NEON is not enabled.
16186
16187 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16188
16189         PR target/69100
16190         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16191         mode for %f0-%f31 only if TARGET_FPU.
16192
16193 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16194
16195         PR target/69072
16196         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16197         to compute the PACKED_P predicate.
16198         (function_arg_record_value): Minor tweaks.
16199
16200 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16201
16202         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16203         option for arm*-*-* targets.
16204
16205 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16206
16207         * doc/extend.texi (Common Function Attributes): Move docs for
16208         MSP430-specific attributes to....
16209         (MSP430 Function Attributes): ...here.  Delete the redundant
16210         entries and copy-edit the remaining text.
16211         (MSP430 Variable Attributes): Use uniform format for index
16212         entries and add a cross-reference to the corresponding function
16213         attribute docs.
16214
16215 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16216
16217         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16218         -finite-math typo.
16219         (x86 Options): Likewise.
16220
16221 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16222
16223         PR 1078
16224
16225         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16226         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16227         to corresponding attribute.
16228
16229 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16230
16231         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16232         to correct alphabetization of table.  Copy-edit and correct
16233         markup.
16234         <stack_protect>: Likewise.
16235         <target_clones>: Likewise.
16236         <simd>: Likewise.
16237         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16238         Correct punctuation.
16239         (Code Gen Options) <-fno-plt>: Copy-edit.
16240
16241 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16242
16243         PR target/68917
16244         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16245         SI values.  Explicitly convert SI to DI and vice-versa.
16246
16247 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16248
16249         PR tree-optimization/69070
16250         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16251         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16252
16253         PR sanitizer/69055
16254         * ubsan.c (ubsan_instrument_float_cast): Call
16255         initialize_sanitizer_builtins.
16256
16257         PR target/69015
16258         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16259 \f
16260 Copyright (C) 2016 Free Software Foundation, Inc.
16261
16262 Copying and distribution of this file, with or without modification,
16263 are permitted in any medium without royalty provided the copyright
16264 notice and this notice are preserved.