gcc/ChangeLog

   1 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
   2
   3         * config.gcc: Remove support for openbsd 2 and 3.
   4         * config/openbsd-oldgas.h: Remove.
   5
   6 2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
   7
   8         * config.gcc: Remove interix support.
   9         * config/i386/i386-interix.h: Remove.
  10         * config/i386/interix.opt: Remove.
  11         * config/i386/t-interix: Remove.
  12         * configure: Regenerate.
  13         * configure.ac: Remove interix support.
  14         * doc/install.texi: Remove interix documentation.
  15
  16 2016-06-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
  17
  18         * config/rs6000/rs6000.h: Add conditional preprocessing directives
  19         to disable Power9-specific compiler features if HAVE_AS_POWER9 is
  20         not defined.
  21
  22 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
  23
  24         * tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
  25         they are both PLACEHOLDER_EXPRs.
  26
  27 2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
  28
  29         * stor-layout.c (layout_type): Move setting complex MODE to
  30         layout_type, instead of setting it ahead of time by the caller.
  31         * tree.c (build_complex_type): Likewise.
  32
  33 2016-06-21  Martin Liska  <mliska@suse.cz>
  34
  35         * predict.c (force_edge_cold): Replace imposisble with
  36         impossible.
  37
  38 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
  39
  40         * config/i386/i386.c (ix86_emit_swsqrtsf): Emit vrsqrt28ps.
  41         * config/i386/sse.md (define_expand "rsqrtv16sf2"): New.
  42
  43 2016-06-21  Ilya Verbin  <ilya.verbin@intel.com>
  44
  45         * config/i386/i386.c (ix86_emit_swdivsf): Emit vrcp28ps.
  46
  47 2016-06-21  H.J. Lu  <hongjiu.lu@intel.com>
  48             Ilya Enkovich  <ilya.enkovich@intel.com>
  49
  50         PR target/71549
  51         * config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses):
  52         New member function to convert V1TImode register to SUBREG
  53         TImode in debug insn.
  54         (timode_scalar_chain::convert_insn): Call fix_debug_reg_uses
  55         after changing register mode to V1TImode.
  56
  57 2016-06-21  Virendra Pathak  <virendra.pathak@broadcom.com>
  58
  59         * config/aarch64/aarch64-cores.def (vulcan): New core.
  60         * config/aarch64/aarch64-tune.md: Regenerate.
  61         * doc/invoke.texi: Document vulcan as an available option.
  62
  63 2016-06-21  Eric Botcazou  <ebotcazou@adacore.com>
  64
  65         * cse.c (canon_asm_operands): New function extracted from...
  66         (canonicalize_insn): ...here.  Call it to canonicalize an ASM_OPERANDS
  67         either standalone or member of a PARALLEL.
  68
  69 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
  70
  71         PR target/30417
  72         * config/avr/gen-avr-mmcu-specs.c (print_mcu):
  73         [*link_data_start]: Wrap -Tdata into %{!Tdata:...}.
  74         [*link_text_start]: Wrap -Ttext into %{!Ttext:...}.
  75
  76 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
  77
  78         PR target/71103
  79         * config/avr/avr.md (movqi): Only handle loading subreg:qi of
  80         constant addresses if can_create_pseudo_p.
  81
  82 2016-06-21  Jakub Jelinek  <jakub@redhat.com>
  83
  84         PR tree-optimization/71588
  85         * tree-ssa-strlen.c (valid_builtin_call): New function.
  86         (adjust_last_stmt, handle_builtin_memset, strlen_optimize_stmt): Use
  87         it.
  88
  89 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
  90
  91         PR middle-end/71581
  92         * tree-ssa-uninit.c (warn_uninit): If EXPR and VAR are NULL,
  93         see if T isn't anonymous SSA_NAME with COMPLEX_EXPR created
  94         for conversion of scalar user var to complex type and use the
  95         underlying SSA_NAME_VAR in that case.  If EXPR is still NULL,
  96         punt.
  97
  98         PR rtl-optimization/71591
  99         * toplev.c (toplev::run_self_tests): If no_backend, complain and
 100         don't run any tests.
 101
 102 2016-06-20  Hans-Peter Nilsson  <hp@axis.com>
 103
 104         PR target/71571
 105         * config/cris/cris.c (cris_asm_output_mi_thunk): Add missing "ba"
 106         delay-slot "nop" for PIC with CRIS v32.  Also add missing leading
 107         space for PIC with non-v32 and the common non-PIC "jump".
 108
 109 2016-06-20  Jakub Jelinek  <jakub@redhat.com>
 110
 111         PR target/71559
 112         * config/i386/i386.c (ix86_fp_cmp_code_to_pcmp_immediate): Fix up
 113         returned values and add UN*/LTGT/*ORDERED cases with values matching
 114         D operand modifier on vcmp for AVX.
 115
 116 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 117
 118         * config/aarch64/aarch64.opt
 119         (mpc-relative-literal-loads): Rename internal option name.
 120         * config/aarch64/aarch64.c
 121         (aarch64_nopcrelative_literal_loads): Rename to
 122         aarch64_pcrelative_literal_loads.
 123         (aarch64_expand_mov_immediate): Likewise.
 124         (aarch64_secondary_reload): Likewise.
 125         (aarch64_can_use_per_function_literal_pools_p): Likewise.
 126         (aarch64_override_options_after_change_1): Rename and simplify logic.
 127         (aarch64_classify_symbol): Merge large model checks into switch,
 128         remove pc-relative load check.
 129
 130 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 131
 132         * config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
 133         costs relative to the cost of a register move.
 134
 135 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 136
 137         * config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 138         (vcvt_n_f64_u64): Likewise.
 139         (vcvt_n_s64_f64): Likewise.
 140         (vcvt_n_u64_f64): Likewise.
 141         (vcvt_f64_s64): Likewise.
 142         (vrecpe_f64): Likewise.
 143         (vcvt_f64_u64): Likewise.
 144         (vrecps_f64): Likewise.
 145
 146 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 147
 148         * config/aarch64/aarch64.md
 149         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3): Add attributes to
 150         iterators.
 151         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>3): Likewise.  Correct
 152         attributes.
 153         * config/aarch64/aarch64-builtins.c
 154         (aarch64_types_binop_uss_qualifiers): Delete.
 155         (TYPES_BINOP_USS): Likewise.
 156         (aarch64_types_binop_sus_qualifiers): Likewise.
 157         (TYPES_BINOP_SUS): Likewise.
 158         (aarch64_types_fcvt_from_unsigned_qualifiers): New.
 159         (TYPES_FCVTIMM_SUS): Likewise.
 160         * config/aarch64/aarch64-simd-builtins.def (scvtf): Use SHIFTIMM
 161         rather than BINOP.
 162         (ucvtf): Use FCVTIMM_SUS rather than BINOP_SUS.
 163         (fcvtzs): Use SHIFTIMM rather than BINOP.
 164         (fcvtzu): Use SHIFTIMM_USS rather than BINOP_USS.
 165
 166 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 167
 168         * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
 169         costs relative to the cost of a register move.
 170
 171 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 172
 173         * config/aarch64/aarch64.c (aarch64_modes_tieable_p):
 174         Allow scalar/single vector modes to be tieable.
 175
 176 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 177
 178         * config/arm/cortex-a57.md (cortex_a57_fp_cpys): Add fcsel.
 179
 180 2016-06-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 181
 182         * params.def (PARAM_ALIGN_LOOP_ITERATIONS): Use "alignment" instead of
 183         "alignement".
 184         * tree.h (TYPE_ALIGN): Likewise.
 185
 186 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 187
 188         PR target/71103
 189         * config/avr/avr.md (movqi): Handle loading subreg:qi (const).
 190
 191 2016-06-20  Georg-Johann Lay  <avr@gjlay.de>
 192
 193         * config/avr/avr.c (avr_print_operand): Fix "format not a string
 194         literal" build warnings.
 195         (avr_print_operand_address): Dito.
 196
 197 2016-06-19  David Edelsohn  <dje.gcc@gmail.com>
 198
 199         PR target/71375
 200         * config/rs6000/aix51.h (TARGET_EXTRA_BUILTINS): Define as 0.
 201         * config/rs6000/aix43.h (TARGET_EXTRA_BUILTINS): Same.
 202
 203 2016-06-18  John David Anglin  <danglin@gcc.gnu.org>
 204
 205         * config/pa/pa.h (TARGET_LONG_PIC_PCREL_CALL): Remove.
 206
 207 2016-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 208
 209         PR bootstrap/71435
 210         * reload1.c (reload): Pass 0 to finish_spills when called because
 211         update_eliminables_and_spill returns true and remove did_spill.
 212         (finish_spills): Adjust comment and document GLOBAL parameter.
 213
 214 2016-06-17  DJ Delorie  <dj@redhat.com>
 215
 216         PR target/71338
 217         * config/rl78/rl78-expand.c (umulqihi3): Enable for G10.
 218         * config/rl78/rl78-virtual.c (umulhi3_shift_virt): Likewise.
 219         (umulqihi3_virt): Likewise.
 220         * config/rl78/rl78-real.c (umulhi3_shift_real): Likewise.
 221         (umulqihi3_real): Likewise.
 222
 223 2016-06-17  Martin Liska  <mliska@suse.cz>
 224
 225         * tree-ssa-reassoc.c (transform_add_to_multiply): Use auto_vec.
 226
 227 2016-06-17  Martin Liska  <mliska@suse.cz>
 228
 229         * predict.def: PRED_LOOP_EXIT from 92 to 85.
 230
 231 2016-06-17  James Greenhalgh  <james.greenhalgh@arm.com>
 232
 233         * config/arm/arm_neon.h (vadd_f32): replace __FAST_MATH with
 234         __FAST_MATH__.
 235         (vaddq_f32): Likewise.
 236         (vmul_f32): Likewise.
 237         (vmulq_f32): Likewise.
 238         (vsub_f32): Likewise.
 239         (vsubq_f32): Likewise.
 240
 241 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 242
 243         PR tree-optimization/71347
 244         * tree-ssa-loop-ivopts.c (determine_group_iv_cost_address): Compute
 245         cost for all uses in group.
 246
 247 2016-06-17 Bin Cheng  <bin.cheng@arm.com>
 248
 249         * tree-vect-loop.c (vect_create_epilog_for_reduction): Only
 250         insert gimple seq if it's not empty.
 251
 252 2016-06-17  Bin Cheng  <bin.cheng@arm.com>
 253
 254         * tree-vectorizer.h (struct dr_with_seg_len): Remove class
 255         member OFFSET.
 256         * tree-vect-data-refs.c (operator ==): Handle DR_OFFSET directly,
 257         rather than OFFSET.
 258         (comp_dr_with_seg_len_pair): Ditto.
 259         (vect_prune_runtime_alias_test_list): Ditto.  Also Canonicalize
 260         struct dr_with_seg_len_pair against DR_OFFSET.
 261         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Handle
 262         DR_OFFSET directly.
 263
 264 2016-06-17  Szabolcs Nagy  <szabolcs.nagy@arm.com>
 265
 266         * config/aarch64/geniterators.sh: Handle parenthesised conditions.
 267
 268 2016-06-16  John David Anglin  <danglin@gcc.gnu.org>
 269
 270         * config/pa/pa.c (pa_output_pic_pcrel_sequence): New.
 271         (pa_output_lbranch): Use pa_output_pic_pcrel_sequence.
 272         (pa_output_millicode_call): Likewise.
 273         (pa_output_call): Likewise.
 274         (pa_output_indirect_call): Likewise.
 275         (pa_asm_output_mi_thunk): Likewise.
 276
 277 2016-06-16  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 278
 279         * doc/invoke.texi (x86 Options): Fix -mno-fp-ret-in-387 typo.
 280
 281 2016-06-16  Martin Liska  <mliska@suse.cz>
 282
 283         * predict.c (combine_predictions_for_insn): When we find a first
 284         match predictor, we should consider just predictors with
 285         PRED_FLAG_FIRST_MATCH.  Print either first match (if any) or
 286         DS theory predictor.
 287         (combine_predictions_for_bb): Likewise.
 288
 289 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 290
 291         * gimplify.c (gimplify_scan_omp_clauses): Handle COMPONENT_REFs
 292         with base of reference to struct.
 293
 294 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 295
 296         * doc/invoke.texi (x86 Options): Document -m80387 and -mhard-float.
 297
 298 2016-06-16  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 299
 300         * config/avr/avr.c (avr_asm_init_sections): Remove setup of
 301         progmem_swtable_section.
 302         (progmem_swtable_section): Remove.
 303         (avr_asm_function_rodata_section): Remove.
 304         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
 305         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION: Define to 1.
 306
 307 2016-06-16  Jocelyn Mayer  <l_indien@magic.fr>
 308
 309         * config/i386/driver-i386.c (host_detect_local_cpu): Set
 310         PROCESSOR_K8 for signature_CENTAUR_ebx with has_longmode.
 311         <case PROCESSOR_K8>: Pass nano-3000, nano, eden-x2 or k8 for
 312         signature_CENTAUR_ebx.
 313         * config/i386/i386.c (ix86_option_override_internal): Add
 314         definitions for VIA c7, samuel-2, nehemiah, esther, eden-x2, eden-x4,
 315         nano, nano-1000, nano-2000, nano-3000, nano-x2 and nano-x4.
 316         * doc/invoke.texi (x86 Options): Document new VIA -march entries.
 317
 318 2016-06-16  Martin Liska  <mliska@suse.cz>
 319
 320         * predict.def: Add fortran loop preheader predictor.
 321         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Properly
 322         fold IFN_BUILTIN_EXPECT with a known constant argument.
 323
 324 2016-06-16  Martin Liska  <mliska@suse.cz>
 325
 326         * predict.def: Add 'Fortran' to display text of all
 327         PRED_FORTRAN_* predictors.
 328
 329 2016-06-16  Uros Bizjak  <ubizjak@gmail.com>
 330
 331         PR target/71242
 332         * config/ia64/ia64.c (enum ia64_builtins) [IA64_BUILTIN_NANQ]: New.
 333         [IA64_BUILTIN_NANSQ]: Ditto.
 334         (ia64_fold_builtin): New function.
 335         (TARGET_FOLD_BUILTIN): New define.
 336         (ia64_init_builtins) Declare const_string_type node.
 337         Add __builtin_nanq and __builtin_nansq builtin functions.
 338         (ia64_expand_builtin): Handle IA64_BUILTIN_NANQ and IA64_BUILTIN_NANSQ.
 339
 340 2016-06-16  Nick Clifton  <nickc@redhat.com>
 341
 342         * config/msp430/msp430-opts.h (msp430_hwmult_types): Add
 343         MSP430_HWMULT_ prefix to enum values.
 344         (msp430_regions): Add MSP430_REGION_ prefix to enum values.
 345         * config/msp430/msp430.c: Update use of enum values.
 346         * config/msp430/msp430.md: Likewise.
 347         * config/msp430/msp430.opt: Likewise.
 348
 349 2016-06-16  Jan Hubicka  <hubicka@ucw.cz>
 350
 351         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Fix estimation
 352         of comparsions in the last iteration.
 353
 354 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 355             Joern Rennecke  <joern.rennecke@embecosm.com>
 356
 357         * config/arc/arc.c (arc_print_operand_address): Handle pc-relative
 358         addresses.
 359         (arc_needs_pcl_p): Add GOTOFFPC.
 360         (arc_legitimate_pic_addr_p): Likewise.
 361         (arc_output_pic_addr_const): Likewise.
 362         (arc_legitimize_pic_address): Generate a pc-relative address using
 363         GOTOFFPC.
 364         (arc_output_libcall): Use @pcl syntax.
 365         (arc_delegitimize_address_0): Delegitimize ARC_UNSPEC_GOTOFFPC.
 366         * config/arc/arc.md ("unspec"): Add ARC_UNSPEC_GOTOFFPC.
 367         (*movsi_insn): Use @pcl syntax.
 368         (doloop_begin_i): Likewise.
 369
 370 2016-06-16  Martin Liska  <mliska@suse.cz>
 371
 372         * predict.def: Define a new predictor.
 373
 374 2016-06-16  Claudiu Zissulescu  <claziss@synopsys.com>
 375
 376         * config/arc/arc.opt (mtp-regno): Update text.
 377
 378 2016-06-16  Renlin Li  <renlin.li@arm.com>
 379
 380         * config/aarch64/aarch64.c (aarch64_legitimize_address): Fix a typo.
 381
 382 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 383
 384         PR target/71554
 385         * config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
 386         (setcc + and peephole2): Likewise.
 387
 388         PR rtl-optimization/71532
 389         * cse.c (cse_insn): For const/pure calls, invalidate argument passing
 390         memory slots.
 391
 392 2016-06-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 393
 394         * config/rs6000/vsx.md (VSINT_84): Add DImode to enable loading
 395         DImode constants with XXSPLTIB in vector registers.
 396         (vsx_extract_<mode>, V2DImode/V2DFmode): Combine both
 397         vsx_extract_<mode>_internal{1,2} into a single insn that handles
 398         direct move (both ISA 2.07 and ISA 3.0 versions), and optimizes
 399         extraction of the element at the top of the register as a scalar
 400         value.
 401         (vsx_extract_<mode>_internal1): Likewise.
 402         (vsx_extract_<mode>_internal2): Likewise.
 403         * config/rs6000/constraints.md (wi constraint): Remove a comment
 404         about DImode not being allowed in Altivec registers.
 405         (wB constraint): New constraint for constants that can be
 406         generated in Altivec registers with VSPLTISW/VUPKHSW.
 407         * config/rs6000/predicates.md (xxspltib_constant_split): Update
 408         comments.
 409         (xxspltib_constant_nosplit): Likewise.
 410         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Add
 411         support for -mupper-regs-di to enable DImode to go into Altivec
 412         registers.
 413         (POWERPC_MASKS): Likewise.
 414         (power7 cpu): Likewise.
 415         * config/rs6000/rs6000.opt (-mupper-regs-di): Likewise.
 416         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Add support
 417         for DImode being allowed in Altivec registers.  Update wi/wj
 418         constraints.  Set scalar_in_vmx_p flag.
 419         (rs6000_option_override_internal): Add checks for -mupper-regs-di.
 420         (xxspltib_constant_p): Allow CONST_INT's with VOIDmode.  Don't
 421         return true if we could use VSPLTISW/VUPKHSW instead of XXSPLTIB.
 422         (rs6000_opt_masks): Add -mupper-regs-di.
 423         * config/rs6000/rs6000.md (lfiwax): Update clobbers that don't use
 424         direct move to use wi and not wj.
 425         (lfiwzx): Likewise.
 426         (floatsi<mode>2_lfiwax_mem): Combine alternatives into a single
 427         alternative.
 428         (floatunssi<mode>2_lfiwzx_mem): Likewise.
 429         (fix_trunc<mode>di2_fctidz): Change second alternative to allow
 430         any VSX register, instead of just Altivec registers, to allow
 431         either operand to be an Altivec register or both.
 432         (fixuns_trunc<mode>di2_fctiduz): Likewise.
 433         (movdi_internal32): Add support for -mupper-regs-di.  Add support
 434         to load constants via XXSPLTIB or VSPLTISW.  Add spacing to allow
 435         the alternatives and attributes to be lined up to be easier to
 436         read.
 437         (movdi_internal64): Likewise.
 438         (64-bit DImode splitters): Change predicates to only split loading
 439         up GPR registers.  Add splits for using XXSPLTIB or VSPLTISW to
 440         load constants in ISA 3.0 or ISA 2.07 respectively.
 441         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
 442         -mupper-regs-di.  Update -mupper-regs-df and -mupper-regs-sf to
 443         mention -mcpu=power9 sets these options.
 444         * doc/md.texi (PowerPC and IBM RS6000 constraints): Document the
 445         wB constraint.
 446
 447 2016-06-15  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
 448
 449         PR target/67353
 450         * config/avr/avr.c (avr_set_current_function): Warn misspelled
 451         interrupt/ signal handler if -Wmisspelled-isr flag is enabled.
 452         * config/avr/avr.opt (Wmisspelled-isr): New warning flag. Enabled
 453         by default to warn misspelled interrupt/ signal handler.
 454         * doc/invoke.texi (AVR Options): Document it. Update description
 455         for -nodevicelib option.
 456
 457 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 458
 459         * config/aarch64/aarch64-simd.md (aarch64_<sur>shll_n<mode>): Clean
 460         up parentheses.  Use GET_MODE_UNIT_BITSIZE.
 461         (aarch64_<sur>shll2_n<mode>): Likewise.
 462
 463 2016-06-15  Ilya Enkovich  <ilya.enkovich@intel.com>
 464
 465         PR middle-end/71529
 466         * ipa-chkp.c (chkp_build_instrumented_fndecl): Fix
 467         DECL_CONTEXT for copied arguments.
 468
 469 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 470
 471         PR tree-optimization/71483
 472         * tree-vect-loop.c (vectorizable_live_operation): Pick correct index
 473         for slp
 474
 475 2016-06-15  Martin Liska  <mliska@suse.cz>
 476
 477         * predict.c (tree_predict_by_opcode): Call predict_edge_def
 478         instead of predict_edge w/o a probability.
 479
 480 2016-06-15  Alan Hayward  <alan.hayward@arm.com>
 481
 482         PR tree-optimization/71439
 483         * tree-vect-loop.c (vect_analyze_loop_operations): Additional check for
 484         live PHIs.
 485
 486 2016-06-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 487
 488         * ifcvt.c (bb_ok_for_noce_multiple_sets): Allow simple lowpart
 489         register subregs in SET_SRC.
 490
 491 2016-06-15  Richard Biener  <rguenther@suse.de>
 492
 493         * tree-vect-stmts.c (vectorizable_store): Remove strided grouped
 494         store restrictions.
 495
 496 2016-06-15  Richard Biener  <rguenther@suse.de>
 497
 498         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Do
 499         not consider dependences between accesses that belong to the
 500         same group.
 501         (vect_analyze_data_ref_dependences): Do not analyze read-read
 502         or self-dependences.
 503
 504 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 505
 506         * spellcheck-tree.c: Include spellcheck-tree.h rather than
 507         spellcheck.h.
 508         (find_closest_identifier): Reimplement in terms of
 509         best_match<tree,tree>.
 510         * spellcheck-tree.h: New file.
 511         * spellcheck.c (struct edit_distance_traits<const char *>): New
 512         struct.
 513         (find_closest_string): Reimplement in terms of
 514         best_match<const char *, const char *>.
 515         * spellcheck.h (levenshtein_distance): Move prototype of tree-based
 516         overload to spellcheck-tree.h.
 517         (find_closest_identifier): Likewise.
 518         (struct edit_distance_traits<T>): New template.
 519         (class best_match): New class.
 520
 521 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 522
 523         * selftest-run-tests.c (selftest::run_tests): Call
 524         selftest::spellcheck_tree_c_tests.
 525         * selftest.h (selftest::spellcheck_tree_c_tests): New decl.
 526         * spellcheck-tree.c: Include selftest.h and stringpool.h.
 527         (selftest::test_find_closest_identifier): New function.
 528         (selftest::spellcheck_tree_c_tests): New function.
 529         * spellcheck.c (selftest::test_find_closest_string): Verify that
 530         the order of the vec does not affect the results for this case.
 531         (selftest::test_data): New array.
 532         (selftest::test_metric_conditions): New function.
 533         (selftest::spellcheck_c_tests): Add a test of case-comparison.
 534         Call selftest::test_metric_conditions.
 535
 536 2016-06-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 537
 538         * config/rs6000/rs6000-builtin.def (commentary): Typo.
 539         (BU_P9_MISC_1): Likewise.
 540         (BU_P9_64BIT_MISC_0): Likewise.
 541         (BU_P9_MISC_0): Likewise.
 542
 543 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
 544
 545         * gcc-rich-location.c
 546         (gcc_rich_location::add_fixit_misspelled_id): New method.
 547         * gcc-rich-location.h
 548         (gcc_rich_location::add_fixit_misspelled_id): Add decl.
 549
 550 2016-06-14  Andreas Tobler  <andreast@gcc.gnu.org>
 551
 552         * config/arm/freebsd.h: Only enable unaligned access for armv6 on
 553         FreeBSD 11 and above.
 554
 555 2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
 556
 557         * config/i386/i386.md (signbittf2): Emit sse_movmskps for TARGET_SSE.
 558
 559 2016-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 560
 561         * expmed.h: Close parenthesis in "at your option" in copyright
 562         boilerplate.
 563         * lower-subreg.h: Likewise.
 564
 565 2016-06-14  Richard Biener  <rguenther@suse.de>
 566
 567         PR middle-end/71526
 568         * genmatch.c (expr::gen_transform): Use in_type for comparisons
 569         if available.
 570
 571 2015-06-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 572
 573         * config/aarch64/aarch64.c (aarch64_mask_and_shift_for_ubfiz_p):
 574         New function.
 575         (aarch64_rtx_costs): Use it.  Rewrite CONST_INT_P (op1) case to handle
 576         mask+shift version.
 577         * config/aarch64/aarch64-protos.h (aarch64_mask_and_shift_for_ubfiz_p):
 578         New prototype.
 579         * config/aarch64/aarch64.md (*andim_ashift<mode>_bfiz): Replace
 580         matching condition with aarch64_mask_and_shift_for_ubfiz_p.
 581
 582 2016-06-14  Richard Biener  <rguenther@suse.de>
 583
 584         PR tree-optimization/71522
 585         * tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
 586         copying into float copying.
 587
 588 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
 589
 590         PR tree-optimization/71520
 591         * tree-ssa-tail-merge.c (find_duplicate): Handle labels.
 592         (replace_block_by): Move user labels from bb1 to bb2.
 593
 594 2016-06-14  Richard Biener  <rguenther@suse.de>
 595
 596         PR middle-end/71310
 597         PR bootstrap/71510
 598         * expr.h (get_bit_range): Declare.
 599         * expr.c (get_bit_range): Export.
 600         * fold-const.c (optimize_bit_field_compare): Use get_bit_range and
 601         word_mode again to constrain the bitfield access.
 602
 603 2016-06-14  Richard Biener  <rguenther@suse.de>
 604
 605         PR tree-optimization/71521
 606         * tree-vrp.c (extract_range_from_binary_expr_1): Guard
 607         division int_const_binop against zero divisor.
 608
 609 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 610
 611         * config/i386/i386.md (signbittf2): New expander.
 612         * config/i386/sse.md (ptesttf2): New insn pattern.
 613
 614 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 615
 616         PR bootstrap/71481
 617         * input.c (selftest::test_reading_source_line): Avoid reading from
 618         __FILE__ by creating a tempfile with known content and reading
 619         from that instead.
 620
 621 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 622
 623         * pretty-print.c (assert_pp_format_colored): Skip the test if
 624         GCC_COLORS is set.
 625         (test_pp_format): Remove comment about GCC_COLORS.
 626
 627 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 628
 629         * input.c (test_reading_source_line): Use SELFTEST_LOCATION.
 630         * pretty-print.c (assert_pp_format_va): Add location param and use
 631         it with ASSERT_STREQ_AT.
 632         (assert_pp_format): Add location param and pass it to
 633         assert_pp_format_va.
 634         (assert_pp_format_colored): Likewise.
 635         (ASSERT_PP_FORMAT_1): New.
 636         (ASSERT_PP_FORMAT_2): New.
 637         (ASSERT_PP_FORMAT_3): New.
 638         (test_pp_format): Provide SELFTEST_LOCATION throughout, either
 639         explicitly, or implicitly via the above macros.
 640         * selftest.c (selftest::pass): Use a selftest::location rather
 641         than file and line.
 642         (selftest::fail): Likewise.  Print the function name.
 643         (selftest::fail_formatted): Likewise.
 644         (selftest::assert_streq): Use a selftest::location rather than
 645         file and line.
 646         * selftest.h (selftest::location): New struct.
 647         (SELFTEST_LOCATION): New macro.
 648         (selftest::pass): Accept a const location & rather than file
 649         and line.
 650         (selftest::fail): Likewise.
 651         (selftest::fail_formatted): Likewise.
 652         (selftest::assert_streq): Likewise.
 653         (ASSERT_TRUE): Update for above changes, using SELFTEST_LOCATION.
 654         (ASSERT_FALSE): Likewise.
 655         (ASSERT_EQ): Likewise.
 656         (ASSERT_NE): Likewise.
 657         (ASSERT_STREQ): Likewise.
 658         (ASSERT_PRED1): Likewise.
 659         (ASSERT_STREQ_AT): New macro.
 660
 661 2016-06-13  David Malcolm  <dmalcolm@redhat.com>
 662
 663         * selftest.c (selftest::fail_formatted): New function.
 664         (selftest::assert_streq): New function.
 665         * selftest.h (selftests::fail_formatted): New decl.
 666         (selftest::assert_streq): New decl.
 667         (ASSERT_STREQ): Reimplement in terms of selftest::assert_streq.
 668
 669 2016-06-13  Jeff Law  <law@redhat.com>
 670
 671         PR tree-optimization/71403
 672         * tree-ssa-threadbackward.c
 673         (convert_and_register_jump_thread_path): No longer accept reference
 674         to path.  Do not pop items off the path anymore.
 675         (fsm_find_control_statement_thread_paths): Do not allow threading
 676         to a deeper loop nest.  Pop the last item off the path here rather
 677         than in convert_and_register_jump_thread_path.
 678
 679 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 680             Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
 681
 682         [AArch64] Emit division using the Newton series
 683
 684         * config/aarch64/aarch64-protos.h
 685         (cpu_approx_modes): Add new member "division".
 686         (aarch64_emit_approx_div): Declare new function.
 687         * config/aarch64/aarch64.c
 688         (generic_approx_modes): New member "division".
 689         (exynosm1_approx_modes): Likewise.
 690         (xgene1_approx_modes): Likewise.
 691         (aarch64_emit_approx_div): Define new function.
 692         * config/aarch64/aarch64.md ("div<mode>3"): New expansion.
 693         * config/aarch64/aarch64-simd.md ("div<mode>3"): Likewise.
 694         * config/aarch64/aarch64.opt (-mlow-precision-div): Add new option.
 695         * doc/invoke.texi (-mlow-precision-div): Describe new option.
 696
 697 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 698             Wilco Dijkstra  <wilco.dijkstra@arm.com>
 699
 700         [AArch64] Emit square root using the Newton series
 701
 702         * config/aarch64/aarch64-protos.h
 703         (aarch64_emit_approx_rsqrt): Replace with new function
 704         "aarch64_emit_approx_sqrt".
 705         (cpu_approx_modes): New member "sqrt".
 706         * config/aarch64/aarch64.c
 707         (generic_approx_modes): New member "sqrt".
 708         (exynosm1_approx_modes): Likewise.
 709         (xgene1_approx_modes): Likewise.
 710         (aarch64_emit_approx_rsqrt): Replace with new function
 711         "aarch64_emit_approx_sqrt".
 712         (aarch64_override_options_after_change_1): Handle new option.
 713         * config/aarch64/aarch64-simd.md
 714         (rsqrt<mode>2): Use new function instead.
 715         (sqrt<mode>2): New expansion and insn definitions.
 716         * config/aarch64/aarch64.md: Likewise.
 717         * config/aarch64/aarch64.opt
 718         (mlow-precision-sqrt): Add new option description.
 719         * doc/invoke.texi (mlow-precision-sqrt): Likewise.
 720
 721 2016-06-13  Evandro Menezes  <e.menezes@samsung.com>
 722
 723         [AArch64] Add more choices for the reciprocal square root approximation
 724
 725         Allow a target to prefer such operation depending on the operation mode.
 726
 727         * config/aarch64/aarch64-protos.h
 728         (AARCH64_APPROX_MODE): New macro.
 729         (AARCH64_APPROX_{NONE,ALL}): Likewise.
 730         (cpu_approx_modes): New structure.
 731         (tune_params): New member "approx_modes".
 732         * config/aarch64/aarch64-tuning-flags.def
 733         (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
 734         * config/aarch64/aarch64.c
 735         (generic_approx_modes): New core "cpu_approx_modes" structure.
 736         (exynosm1_approx_modes): Likewise.
 737         (xgene1_approx_modes): Likewise.
 738         (generic_tunings): New member "approx_modes".
 739         (cortexa35_tunings): Likewise.
 740         (cortexa53_tunings): Likewise.
 741         (cortexa57_tunings): Likewise.
 742         (cortexa72_tunings): Likewise.
 743         (exynosm1_tunings): Likewise.
 744         (thunderx_tunings): Likewise.
 745         (xgene1_tunings): Likewise.
 746         (use_rsqrt_p): New argument for the mode and use new member from
 747         "tune_params".
 748         (aarch64_builtin_reciprocal): Devise mode from builtin.
 749         (aarch64_optab_supported_p): New argument for the mode.
 750         * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
 751
 752 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 753
 754         * config/rs6000/rs6000.h (RS6000_BTM_COMMON): Add the
 755         RS6000_BTM_MODULO flag into the set of flags that are considered
 756         to be part of the common configuration.
 757
 758 2016-06-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 759
 760         * config/rs6000/altivec.h (vec_absd): New macro for vector absolute
 761         difference unsigned.
 762         (vec_absdb): New macro for vector absolute difference unsigned
 763         byte.
 764         (vec_absdh): New macro for vector absolute difference unsigned
 765         half-word.
 766         (vec_absdw): New macro for vector absolute difference unsigned word.
 767         * config/rs6000/altivec.md (UNSPEC_VADU): New value.
 768         (vadu<mode>3): New insn.
 769         (*p9_vadu<mode>3): New insn.
 770         * config/rs6000/rs6000-builtin.def (vadub): New built-in
 771         definition.
 772         (vaduh): New built-in definition.
 773         (vaduw): New built-in definition.
 774         (vadu): New overloaded built-in definition.
 775         (vadub): New overloaded built-in definition.
 776         (vaduh): New overloaded built-in definition.
 777         (vaduw): New overloaded built-in definition.
 778         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 779         overloaded vector absolute difference unsigned functions.
 780         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
 781         the ISA 3.0 vector absolute difference unsigned built-in functions.
 782
 783 2016-06-13  Eric Botcazou  <ebotcazou@adacore.com>
 784
 785         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
 786         update shared_lookup_references only once after changing operands.
 787
 788 2016-06-13  Thomas Schwinge  <thomas@codesourcery.com>
 789
 790         PR middle-end/71373
 791         * tree-nested.c (convert_nonlocal_omp_clauses)
 792         (convert_local_omp_clauses): Document missing OMP_CLAUSE_*.
 793
 794         * tree-cfg.c (edge_to_cases_cleanup): Fix CASE_CHAIN typo.
 795         * tree.def (CASE_LABEL_EXPR): Likewise.
 796
 797 2016-06-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 798
 799         PR bootstrap/71481
 800         * input.c (test_builtins): Fix an assertion.
 801
 802 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 803
 804         * config/i386/i386.md (paritydi2): Use ix86_expand_setcc.
 805         (paritysi2): Ditto.
 806         (isinfxf2): Ditto.
 807         (isinf<mode>2): Ditto.
 808
 809 2016-06-13  Uros Bizjak  <ubizjak@gmail.com>
 810
 811         * ggc-tests.c (test_finalization): Only test need_finalization_p
 812         for GCC_VERSION >= 4003.
 813
 814 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 815
 816         * config/s390/vecintrin.h: Fix file description in comment.
 817
 818 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 819
 820         * config/s390/s390-builtin-types.def: Change builtin type naming
 821         scheme to match builtin-types.def.
 822
 823 2016-06-13  Marc Glisse  <marc.glisse@inria.fr>
 824
 825         * fold-const.c (optimize_minmax_comparison): Remove.
 826         (fold_comparison): Remove call to the above.
 827         * match.pd (MIN (X, Y) == X, MIN (X, 5) == 0, MIN (X, C1) < C2):
 828         New transformations.
 829
 830 2016-06-13  Alan Hayward  <alan.hayward@arm.com>
 831
 832         PR tree-optimization/71416
 833         * tree-vect-loop.c (vectorizable_live_operation): Let worklist have
 834         multiple entries
 835
 836 2016-06-13  Martin Liska  <mliska@suse.cz>
 837
 838         * predict.c (enum predictor_reason): Prefix enum with REASON_.
 839         (combine_predictions_for_insn): Likewise.
 840         (prune_predictions_for_bb): Likewise.
 841         (combine_predictions_for_bb): Likewise.
 842
 843 2016-06-13  Richard Biener  <rguenther@suse.de>
 844
 845         PR tree-optimization/71505
 846         * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Make
 847         assert match comment.
 848
 849 2016-06-13  Marek Polacek  <polacek@redhat.com>
 850
 851         PR middle-end/71476
 852         * gimplify.c (maybe_warn_switch_unreachable): Factored out of
 853         gimplify_switch_expr.
 854         (warn_switch_unreachable_r): New function.
 855
 856 2016-06-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 857
 858         PR target/71379
 859         * config/s390/s390.c (s390_expand_builtin): Increase MAX_ARGS by
 860         one.
 861
 862 2016-06-13  Richard Biener  <rguenther@suse.de>
 863
 864         PR middle-end/64516
 865         * fold-const.c (fold_unary_loc): Preserve alignment when
 866         folding a VIEW_CONVERT_EXPR into a MEM_REF.
 867
 868 2016-06-13  Martin Liska  <mliska@suse.cz>
 869
 870         PR sanitizer/71458
 871         * toplev.c (process_options): Do not enable -fcheck-pointer-bounds
 872         w/ -fsanitize=bounds.
 873
 874 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
 875
 876         * config/i386/i386.c (ix86_init_builtins): Calculate
 877         FLOAT128_FTYPE_CONST_STRING function type only once.
 878         * doc/extend.texi (x86 Built-in Functions): Update text, __float128
 879         built-in functions are available for x86-32 and x86-64 targets.
 880
 881 2016-06-12  Uros Bizjak  <ubizjak@gmail.com>
 882
 883         PR target/71241
 884         * config/i386/i386.i386-builtin-types.def (CONST_STRING):
 885         New primitive type.
 886         (FLOAT128_FTYPE_CONST_STRING): New function type.
 887         * config/i386/i386.c (enum ix86_builtins) [IX86_BUILTIN_NANQ]: New.
 888         [IX86_BUILTIN_NANSQ]: Ditto.
 889         (ix86_fold_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
 890         (ix86_init_builtin_types): Declare const_string_type_node.
 891         (ix86_init_builtins): Add __builtin_nanq and __builtin_nansq
 892         builtin functions.
 893         (ix86_expand_builtin): Handle IX86_BUILTIN_NANQ and IX86_BUILTIN_NANSQ.
 894         * doc/extend.texi (x86 Built-in Functions): Document
 895         __builtin_nanq and __builtin_nansq.
 896
 897 2016-06-11  Jiong Wang  <jiong.wang@arm.com>
 898
 899         PR target/71061
 900         * config/arm/arm-protos.h (arm_attr_length_pop_multi): New declaration.
 901         * config/arm/arm.c (arm_attr_length_pop_multi): New function to return
 902         length for pop patterns.
 903         (arm_attr_length_push_multi): Update comments.
 904         * config/arm/arm.md (*load_multiple_with_writeback): Set "length"
 905         attribute.
 906         (*pop_multiple_with_writeback_and_return): Likewise.
 907         (*pop_multiple_with_return): Likewise.
 908
 909 2016-06-11  Segher Boessenkool  <segher@kernel.crashing.org>
 910
 911         PR middle-end/71310
 912         * fold-const.c (optimize_bit_field_compare): Don't try to use
 913         word_mode unconditionally for reading the bit field, look at
 914         DECL_BIT_FIELD_REPRESENTATIVE instead.
 915
 916 2016-06-11  Kugan Vivekanandarajah  <kuganv@linaro.org>
 917
 918         PR middle-end/71478
 919         * tree-ssa-reassoc.c (reassociate_bb): Remove (-1) from ops list for
 920         vector integer type.
 921
 922 2016-06-10  Jakub Jelinek  <jakub@redhat.com>
 923
 924         PR middle-end/71494
 925         * tree-nested.c (convert_nonlocal_reference_stmt): For GIMPLE_GOTO
 926         without LABEL_DECL, set *handled_ops_p to false instead of true.
 927
 928 2016-06-10  Martin Sebor  <msebor@redhat.com>
 929
 930         PR c/71392
 931         * builtin-attrs.def (ATTR_NOTHROW_NONNULL_LEAF_LIST): New macro.
 932         (ATTR_NOTHROW_NONNULL_TYPEGENERIC_LEAF): Same.
 933         * builtins.def (BUILT_IN_SADD_OVERFLOW, BUILT_IN_SADDL_OVERFLOW): Use
 934         them.
 935         (BUILT_IN_SADDLL_OVERFLOW, BUILT_IN_SSUB_OVERFLOW): Same.
 936         (BUILT_IN_SSUBL_OVERFLOW, BUILT_IN_SSUBLL_OVERFLOW): Same.
 937         (BUILT_IN_SMUL_OVERFLOW, BUILT_IN_SMULL_OVERFLOW): Same.
 938         (BUILT_IN_SMULLL_OVERFLOW, BUILT_IN_UADD_OVERFLOW): Same.
 939         (BUILT_IN_UADDL_OVERFLOW, BUILT_IN_UADDLL_OVERFLOW): Same.
 940         (BUILT_IN_USUB_OVERFLOW, BUILT_IN_USUBL_OVERFLOW): Same.
 941         (BUILT_IN_USUBLL_OVERFLOW, BUILT_IN_UMUL_OVERFLOW): Same.
 942         (BUILT_IN_UMULL_OVERFLOW, BUILT_IN_UMULLL_OVERFLOW): Same.
 943
 944 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 945
 946         * config/arm/arm.h (pool_vector_label,
 947         return_used_this_function): Remove.
 948
 949 2016-06-10  Jeff Law  <law@redhat.com>
 950
 951         PR tree-optimization/71335
 952         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Filter out
 953         zero length paths here.
 954         (convert_and_register_jump_thread_path): Remove hacks related to
 955         duplicated blocks in the jump thread path.
 956         (fsm_find_control_statement_thread_paths): Avoid putting the same
 957         block on the thread path twice, but ensure the thread path is
 958         unchanged from the caller's point of view.
 959
 960 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
 961
 962         * predict.c (predict_loops): Remove PRED_LOOP_BRANCH.
 963         * predict.def (PRED_LOOP_BRANCH): Remove.
 964
 965 2016-06-10  David Malcolm  <dmalcolm@redhat.com>
 966
 967         * Makefile.in (OBJS): Add ggc-tests.o.
 968         (GTFILES): Add ggc-tests.c.
 969         * ggc-tests.c: New file.
 970         * selftest-run-tests.c (selftest::run_tests): Call
 971         selftest::ggc_tests_c_tests.
 972         * selftest.h (selftest::ggc_tests_c_tests): New prototype.
 973
 974 2016-06-10  Alexander Monakov  <amonakov@ispras.ru>
 975
 976         * match.pd (-1 / B < A): Use :c to avoid pattern duplication.
 977
 978 2016-06-10  Maxim Ostapenko  <m.ostapenko@samsung.com>
 979
 980         PR sanitizer/71480
 981         * varasm.c (place_block_symbol): Adjust alignment for asan protected
 982         STRING_CSTs even if TREE_CONSTANT_POOL_ADDRESS_P.
 983
 984 2016-06-10  Jan Hubicka  <hubicka@ucw.cz>
 985
 986         * profile.c: Include cfgloop.h.
 987         (branch_prob): Compute estimated number of iterations.
 988         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Do not
 989         recompute estimate number of iterations from profile.
 990
 991 2016-06-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 992
 993         PR inline-asm/68843
 994         * reg-stack.c (check_asm_stack_operands): Explicit input arguments
 995         must be grouped on top of stack.  Don't force early clobber
 996         on ordinary reg outputs.
 997
 998 2016-06-10  Richard Biener  <rguenther@suse.de>
 999
1000         * targhooks.c (default_builtin_vectorization_cost): Adjust
1001         vec_construct cost.
1002
1003 2016-06-10  Richard Biener  <rguenther@suse.de>
1004
1005         * gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
1006         to fold the RHS to a constant if possible.
1007
1008 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
1009
1010         PR middle-end/71373
1011         * tree-nested.c (convert_nonlocal_omp_clauses)
1012         (convert_local_omp_clauses): Handle OMP_CLAUSE_ASYNC,
1013         OMP_CLAUSE_WAIT, OMP_CLAUSE_INDEPENDENT, OMP_CLAUSE_AUTO,
1014         OMP_CLAUSE__CACHE_, OMP_CLAUSE_TILE.
1015
1016         * gimplify.c (gimplify_adjust_omp_clauses): Discard
1017         OMP_CLAUSE_TILE.
1018         * omp-low.c (scan_sharing_clauses): Don't expect OMP_CLAUSE_TILE.
1019
1020         * omp-low.c (scan_sharing_clauses): Don't expect
1021         OMP_CLAUSE__CACHE_.
1022
1023 2016-06-10  Alan Hayward  <alan.hayward@arm.com>
1024
1025         PR tree-optimization/71407
1026         PR tree-optimization/71416
1027         * tree-vect-loop.c (vectorizable_live_operation): Use vectype for
1028         BIT_FIELD_REF type.
1029
1030 2016-06-10  Richard Biener  <rguenther@suse.de>
1031
1032         PR middle-end/71477
1033         * cfgloop.c (alloc_loop): Initialize nb_iterations_likely_upper_bound.
1034
1035 2016-06-09  Eric Botcazou  <ebotcazou@adacore.com>
1036
1037         * df-problems.c (df_note_bb_compute): Guard use of DF_INSN_INFO_GET.
1038
1039 2016-06-09  Vladimir Makarov  <vmakarov@redhat.com>
1040             Jiong Wang  <jiong.wang@arm.com>
1041
1042         PR rtl-optimization/70751
1043         * lra-constraints.c (process_alt_operands): Recognize Non-pseudo
1044         spilled into memory.
1045
1046 2016-06-09  Jonathan Yong  <10walls@gmail.com>
1047
1048         Revert:
1049         2015-09-21  Jonathan Yong  <10walls@gmail.com>
1050
1051         * config/i386/cygwin.h (STARTFILE_SPEC): Explicitly search
1052         sysroot/usr/lib/32api for additional win32 libraries,
1053         fixes failing Cygwin bootstrapping.
1054
1055 2016-06-09  Marcin Baczyński  <marbacz@gmail.com>
1056
1057         * diagnostic.h (diagnostic_line_cutoff, diagnostic_flush_buffer):
1058         Delete.
1059
1060 2016-06-09  David Malcolm  <dmalcolm@redhat.com>
1061
1062         PR bootstrap/71471
1063         * pretty-print.c (pp_indent): Specify that %p is printed in a
1064         host-dependent manner.
1065         (test_pp_format): Remove the test for %p.
1066
1067 2016-06-09  Maciej W. Rozycki  <macro@imgtec.com>
1068
1069         * config/mips/mips.c (mips_output_jump): Fix formatting.
1070
1071 2016-06-09  Richard Biener  <rguenther@suse.de>
1072
1073         PR tree-optimization/71462
1074         * tree-ssa-loop-manip.c (find_uses_to_rename): Guard against
1075         removed blocks.
1076
1077 2016-06-09  Martin Liska  <mliska@suse.cz>
1078
1079         * predict.c (dump_prediction): Add new argument.
1080         (enum predictor_reason): New enum.
1081         (struct predictor_hash): New struct.
1082         (predictor_hash::hash): New function.
1083         (predictor_hash::equal): Likewise.
1084         (not_removed_prediction_p): New function.
1085         (prune_predictions_for_bb): Likewise.
1086         (combine_predictions_for_bb): Prune predictions.
1087
1088 2016-06-09  Martin Liska  <mliska@suse.cz>
1089
1090         * predict.c (filter_predictions): New function.
1091         (remove_predictions_associated_with_edge): Use the filter
1092         function.
1093         (equal_edge_p): New function.
1094
1095 2016-06-09  Stefan Bruens  <stefan.bruens@rwth-aachen.de>
1096
1097         * doc/invoke.texi (ARM Options): Use lexicographical ordering.
1098         Correct usage of @samp vs @option, add @samp where appropriate.
1099         Add -march={armv6k,armv6z,arm6zk}, remove -march=ep9312.
1100         Add armv6s-m and document it, as it is no official ARM name.
1101
1102 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1103
1104         * ifcvt.c (struct noce_if_info): Add transform_name field.
1105         (noce_try_move): Set if_info->transform_name to the function name.
1106         (noce_try_ifelse_collapse): Likewise.
1107         (noce_try_store_flag): Likewise.
1108         (noce_try_inverse_constants): Likewise.
1109         (noce_try_store_flag_constants): Likewise.
1110         (noce_try_addcc): Likewise.
1111         (noce_try_store_flag_mask): Likewise.
1112         (noce_try_cmove): Likewise.
1113         (noce_try_cmove_arith): Likewise.
1114         (noce_try_minmax): Likewise.
1115         (noce_try_abs): Likewise.
1116         (noce_try_sign_mask): Likewise.
1117         (noce_try_bitop): Likewise.
1118         (noce_convert_multiple_sets): Likewise.
1119         (noce_process_if_block): Print if_info->transform_name to
1120         dump_file if transformation succeeded.
1121
1122 2016-06-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1123
1124         * config/arm/cortex-a57.md (cortex_a57_alu):
1125         Handle csel type.
1126
1127 2016-06-08  Martin Sebor  <msebor@redhat.com>
1128             Jakub Jelinek  <jakub@redhat.com>
1129
1130         PR c++/70507
1131         PR c/68120
1132         * builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
1133         BUILT_IN_MUL_OVERFLOW_P): New builtins.
1134         * builtins.c: Include gimple-fold.h.
1135         (fold_builtin_arith_overflow): Handle
1136         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1137         (fold_builtin_3): Likewise.
1138         * doc/extend.texi (Integer Overflow Builtins): Document
1139         __builtin_{add,sub,mul}_overflow_p.
1140
1141 2016-06-08  Jose E. Marchesi  <jose.marchesi@oracle.com>
1142
1143         * config/sparc/driver-sparc.c (cpu_names): Fix the entry for the
1144         SPARC-M7 and add an entry for SPARC-S7 cpus (Sonoma).
1145
1146 2016-06-08  Alan Lawrence  <alan.lawrence@arm.com>
1147
1148         * config/aarch64/aarch64.c (aarch64_function_arg_alignment):
1149         Rewrite, looking one level down for records and arrays.
1150
1151 2016-06-08  David Malcolm  <dmalcolm@redhat.com>
1152
1153         * pretty-print.c: Include "selftest.h".
1154         (pp_format): Fix comment.
1155         (identifier_to_locale): Likewise.
1156         (selftest::test_basic_printing): New function.
1157         (selftest::assert_pp_format): New function.
1158         (selftest::test_pp_format): New function.
1159         (selftest::pretty_print_c_tests): New function.
1160         * selftest-run-tests.c (selftest::run_tests): Call
1161         selftest::pretty_print_c_tests.
1162         * selftest.h (pretty_print_c_tests): New declaration.
1163
1164 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1165
1166         * invoke.texi (max-loop-headers-insns): Document.
1167         * params.def (PARAM_MAX_LOOP_HEADER_INSNS): New.
1168         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Update comment.
1169         (ch_base::copy_headers): Use PARAM_MAX_LOOP_HEADER_INSNS.
1170
1171 2016-06-08  Richard Biener  <rguenther@suse.de>
1172
1173         * tree-vect-stmts.c (vectorizable_load): Remove restrictions
1174         on strided SLP loads and fall back to scalar loads in case
1175         we can't chunk them.
1176
1177 2016-06-08  Richard Biener  <rguenther@suse.de>
1178
1179         PR tree-optimization/71452
1180         * tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
1181         type used for the SSA rewrite has enough precision to cover
1182         the dynamic type of the location.
1183
1184 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
1185             Richard Biener  <rguenther@suse.de>
1186
1187         PR c++/71448
1188         * fold-const.c (fold_comparison): Handle CONSTANT_CLASS_P (base0)
1189         the same as DECL_P (base0) for indirect_base0.  Use equality_code
1190         in one further place.
1191
1192 2016-06-08  Richard Sandiford  <richard.sandiford@arm.com>
1193
1194         * expmed.c (store_bit_field_1): Do not restrict a multiword op0
1195         to one word if the field is known to overlap other words.
1196         (extract_bit_field_1): Likewise.
1197         (store_split_bit_field): Remove compensating code.
1198         (extract_split_bit_field): Likewise.
1199
1200 2016-06-08  Bernd Schmidt  <bschmidt@redhat.com>
1201
1202         PR debug/71432
1203         PR ada/71413
1204         * tree-ssa-strlen.c (handle_builtin_memcmp): Ignore debug insns.
1205
1206 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1207
1208         * config/aarch64/aarch64-builtins.def (faddp): New builtins for modes in
1209         VDQF.
1210         * config/aarch64/aarch64-simd.md (aarch64_faddp<mode>): New.
1211         (arch64_addpv4sf): Delete.
1212         (reduc_plus_scal_v4sf): Use "gen_aarch64_faddpv4sf" instead of
1213         "gen_aarch64_addpv4sf".
1214         * config/aarch64/arm_neon.h (vpadd_f32): Remove inline assembly.  Use
1215         builtin.
1216         (vpadds_f32): Likewise.
1217         (vpaddq_f32): Likewise.
1218         (vpaddq_f64): Likewise.
1219
1220 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1221
1222         * config/aarch64/aarch64-builtins.def (fabd): New builtins for modes
1223         VALLF.
1224         * config/aarch64/aarch64-simd.md (fabd<mode>_3): Extend modes from VDQF
1225         to VALLF.  Rename to "fabd<mode>3".
1226         "*fabd_scalar<mode>3): Delete.
1227         * config/aarch64/arm_neon.h (vabds_f32): Remove inline assembly.
1228         Use builtin.
1229         (vabdd_f64): Likewise.
1230         (vabd_f32): Likewise.
1231         (vabd_f64): Likewise.
1232         (vabdq_f32): Likewise.
1233         (vabdq_f64): Likewise.
1234
1235 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1236
1237         * config/aarch64/aarch64-builtins.def (rsqrts): New builtins for modes
1238         VALLF.
1239         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_<mode>3): Rename to
1240         "aarch64_rsqrts<mode>".
1241         * config/aarch64/aarch64.c (get_rsqrts_type): Update gen* name.
1242         * config/aarch64/arm_neon.h (vrsqrtss_f32): Remove inline assembly.  Use
1243         builtin.
1244         (vrsqrtsd_f64): Likewise.
1245         (vrsqrts_f32): Likewise.
1246         (vrsqrts_f64): Likewise.
1247         (vrsqrtsq_f32): Likewise.
1248         (vrsqrtsq_f64): Likewise.
1249
1250 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1251
1252         * config/aarch64/aarch64-builtins.def (rsqrte): New builtins for modes
1253         VALLF.
1254         * config/aarch64/aarch64-simd.md (aarch64_rsqrte_<mode>2): Rename to
1255         "aarch64_rsqrte<mode>".
1256         * config/aarch64/aarch64.c (get_rsqrte_type): Update gen* name.
1257         * config/aarch64/arm_neon.h (vrsqrts_f32): Remove inline assembly.  Use
1258         builtin.
1259         (vrsqrted_f64): Likewise.
1260         (vrsqrte_f32): Likewise.
1261         (vrsqrte_f64): Likewise.
1262         (vrsqrteq_f32): Likewise.
1263         (vrsqrteq_f64): Likewise.
1264
1265 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1266
1267         * config/aarch64/aarch64-builtins.def (scvtf): Register vector modes.
1268         (ucvtf): Likewise.
1269         (fcvtzs): Likewise.
1270         (fcvtzu): Likewise.
1271         * config/aarch64/aarch64-simd.md
1272         (<FCVT_F2FIXED:fcvt_fixed_insn><VDQF:mode>3): New.
1273         (<FCVT_FIXED2F:fcvt_fixed_insn><VDQ_SDI:mode>3): Likewise.
1274         * config/aarch64/arm_neon.h (vcvt_n_f32_s32): Remove inline assembly.
1275         Use builtin.
1276         (vcvt_n_f32_u32): Likewise.
1277         (vcvt_n_s32_f32): Likewise.
1278         (vcvt_n_u32_f32): Likewise.
1279         (vcvtq_n_f32_s32): Likewise.
1280         (vcvtq_n_f32_u32): Likewise.
1281         (vcvtq_n_f64_s64): Likewise.
1282         (vcvtq_n_f64_u64): Likewise.
1283         (vcvtq_n_s32_f32): Likewise.
1284         (vcvtq_n_s64_f64): Likewise.
1285         (vcvtq_n_u32_f32): Likewise.
1286         (vcvtq_n_u64_f64): Likewise.
1287         * config/aarch64/iterators.md (VDQ_SDI): New mode iterator.
1288         (VSDQ_SDI): Likewise.
1289         (fcvt_target): Support V4DI, V4SI and V2SI.
1290         (FCVT_TARGET): Likewise.
1291
1292 2016-06-08  Jiong Wang  <jiong.wang@arm.com>
1293
1294         * config/aarch64/aarch64-builtins.c (TYPES_BINOP_USS): New
1295         (TYPES_BINOP_SUS): Likewise.
1296         (aarch64_simd_builtin_data): Update include file name.
1297         (aarch64_builtins): Likewise.
1298         * config/aarch64/aarch64-simd-builtins.def (scvtf): New entries
1299         for conversion between scalar float-point and fixed-point.
1300         (ucvtf): Likewise.
1301         (fcvtzs): Likewise.
1302         (fcvtzu): Likewise.
1303         * config/aarch64/aarch64.md
1304         (<FCVT_F2FIXED:fcvt_fixed_insn><GPF:mode>3: New
1305         pattern for conversion between scalar float to fixed-pointer.
1306         (<FCVT_FIXED2F:fcvt_fixed_insn><GPI:mode>: Likewise.
1307         (UNSPEC_FCVTZS): New UNSPEC enumeration.
1308         (UNSPEC_FCVTZU): Likewise.
1309         (UNSPEC_SCVTF): Likewise.
1310         (UNSPEC_UCVTF): Likewise.
1311         * config/aarch64/arm_neon.h (vcvtd_n_f64_s64): Remove inline assembly.
1312         Use builtin.
1313         (vcvtd_n_f64_u64): Likewise.
1314         (vcvtd_n_s64_f64): Likewise.
1315         (vcvtd_n_u64_f64): Likewise.
1316         (vcvtd_n_f32_s32): Likewise.
1317         (vcvts_n_f32_u32): Likewise.
1318         (vcvtd_n_s32_f32): Likewise.
1319         (vcvts_n_u32_f32): Likewise.
1320         * config/aarch64/iterators.md (fcvt_target): Support integer to float
1321         mapping.
1322         (FCVT_TARGET): Likewise.
1323         (FCVT_FIXED2F): New iterator.
1324         (FCVT_F2FIXED): Likewise.
1325         (fcvt_fixed_insn): New define_int_attr.
1326
1327 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1328
1329         * predict.c (pass_strip_predict_hints::execute): Cleanup CFG if
1330         some statements was removed.
1331
1332 2016-06-08  Alan Hayward  <alan.hayward@arm.com>
1333
1334         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove debug newline.
1335         * tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): likewise.
1336         (vect_can_advance_ivs_p): likewise.
1337         (vect_update_ivs_after_vectorizer): likewise.
1338         * tree-vect-loop.c (vect_determine_vectorization_factor): likewise.
1339         (vect_analyze_scalar_cycles_1): likewise.
1340         (vect_analyze_loop_operations): likewise.
1341         (report_vect_op): likewise.
1342         (vect_is_slp_reduction): likewise.
1343         (vect_is_simple_reduction): likewise.
1344         (get_initial_def_for_induction): likewise.
1345         (vect_transform_loop): likewise.
1346         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): likewise.
1347         (vect_recog_sad_pattern): likewise.
1348         (vect_recog_widen_sum_pattern): likewise.
1349         (vect_recog_widening_pattern): likewise.
1350         (vect_recog_divmod_pattern): likewise.
1351         * tree-vect-slp.c (vect-build-slp_tree_1): likewise.
1352         (vect_analyze_slp_instance): likewise.
1353         (vect_transform_slp_perm_load): likewise.
1354         (vect_schedule_slp_instance): likewise.
1355
1356 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1357
1358         * predict.c (predict_iv_comparison): Mention that heuristics is broken.
1359         (return_prediction): PRED_CONST_RETURN predict return as not taken.
1360         * predict.def (PRED_CONTINUE): Change hitrate 50->67
1361         (PRED_LOOP_BRANCH): Document predictor as broken.
1362         (PRED_LOOP_EXIT): Change hitrate 91->92.
1363         (PRED_LOOP_EXTRA_EXIT): Change hitrate 91->83.
1364         (PRED_POINTER, PRED_TREE_POINTER): Change hitrate 85->70.
1365         (PRED_OPCODE_POSITIVE): Change hitrate 79->64.
1366         (PRED_OPCODE_NONEQUAL): Change hitrate 91->66.
1367         (PRED_TREE_OPCODE_POSITIVE): Change hitrate 73->64
1368         (PRED_TREE_OPCODE_NONEQUAL): Chnage hitrate 72->66
1369         (PRED_CALL): Chane hitrate 71->67.
1370         (PRED_TREE_EARLY_RETURN): Document issues, change hitrate 61->54.
1371         (PRED_GOTO): Document as unused right now.
1372         (PRED_CONST_RETURN): Change hitrate 67->69
1373         (PRED_NEGATIVE_RETURN): Change hitrate 96->98
1374         (PRED_NULL_RETURN): Change hitrate 91->90.
1375         (PRED_LOOP_IV_COMPARE_GUESS): Change hitrate to 98.
1376         (PRED_FORTRAN_FAIL_ALLOC): Change hitrate to 62; document issues.
1377         (PRED_FORTRAN_SIZE_ZERO): Change hitrate to 99.
1378
1379 2016-06-07  Bill Seurer  <seurer@linux.vnet.ibm.com>
1380
1381         * config/rs6000/altivec.h: Add __builtin_vec_mul.
1382         * config/rs6000/rs6000-builtin.def (vec_mul): Change vec_mul to a
1383         special case Altivec builtin.
1384         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1385         VSX_BUILTIN_VEC_MUL (replaced with special case code).
1386         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1387         code for ALTIVEC_BUILTIN_VEC_MUL.
1388         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1389         for __builtin_vec_mul.
1390
1391 2016-06-07  Peter Bergner  <bergner@vnet.ibm.com>
1392
1393         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mhtm and
1394         -mno-htm.
1395
1396 2016-06-07  David Malcolm  <dmalcolm@redhat.com>
1397
1398         * spellcheck.c (selftest::test_find_closest_string): New function.
1399         (spellcheck_c_tests): Call the above.
1400
1401 2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1402
1403         * simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local variable.
1404
1405 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
1406
1407         * config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and
1408         Yv=Yv,C alternatives.
1409
1410 2016-06-07  Richard Biener  <rguenther@suse.de>
1411
1412         PR c/61564
1413         * common.opt (ffast-math): Make Optimization.
1414
1415 2016-06-07  Simon Dardis  <simon.dardis@imgtec.com>
1416             Prachi Godbole  <prachi.godbole@imgtec.com>
1417
1418         * config/mips/p5600.md (p5600_fpu_fadd): Remove checking for
1419         `fabs' and `fneg' type attributes.
1420         (p5600_fpu_fabs): Add `fmove' to the comment.
1421
1422 2016-06-07  Jan Hubicka  <hubicka@ucw.cz>
1423
1424         * gimple.c: Include builtins.h
1425         (gimple_inexpensive_call_p): New function.
1426         * gimple.h (gimple_inexpensive_call_p): Declare.
1427         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use it.
1428         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise;
1429         fix formatting.
1430
1431 2016-06-07  Paolo Carlini  <paolo.carlini@oracle.com>
1432
1433         * diagnostic.c (diagnostic_impl, diagnostic_n_impl): New.
1434         (inform, inform_at_rich_loc, inform_n, warning, warning_at,
1435         warning_at_rich_loc, warning_n, pedwarn, permerror,
1436         permerror_at_rich_loc, error, error_n, error_at, error_at_rich_loc,
1437         sorry, fatal_error, internal_error, internal_error_no_backtrace):
1438         Use the above.
1439
1440 2016-06-07  Richard Biener  <rguenther@suse.de>
1441
1442         PR tree-optimization/71428
1443         * tree-ssa-math-opts.c (perform_symbolic_merge): Properly distinguish
1444         BIT_FIELD_REF op vs. load.
1445
1446 2016-06-07  Richard Biener  <rguenther@suse.de>
1447
1448         PR middle-end/71423
1449         * match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
1450         for signed ops.
1451
1452 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1453
1454         * config/pa/pa.md (call): Generate indirect long calls to non-local
1455         functions on TARGET_64BIT.
1456         (call_value): Likewise.
1457
1458 2016-06-06  John David Anglin  <danglin@gcc.gnu.org>
1459
1460         * config/pa/pa.md (call_val_reg_64bit): Remove "reg: DI " clobber from
1461         pattern and subsequent splitters.
1462         (call_val_reg_64bit_post_reload): Likewise.
1463
1464 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1465
1466         PR middle-end/71408
1467         * tree-ssa-reassoc.c (zero_one_operation): Fix NEGATE_EXPR operand for
1468         propagate_op_to_single_use.
1469
1470 2016-06-07  Kugan Vivekanandarajah  <kuganv@linaro.org>
1471
1472         PR middle-end/71281
1473         * tree-ssa-reassoc.c (reassociate_bb): Set uid for negate stmt.
1474
1475 2016-06-07  Uros Bizjak  <ubizjak@gmail.com>
1476
1477         * config/i386/i386.h (enum ix86_enitity): Add X86_DIRFLAG.
1478         (enum x86_dirflag_state): New enum.
1479         (NUM_MODES_FOR_MODE_SWITCHING): Add X86_DIRFLAG_ANY.
1480         (machine_function): Remove needs_cld.
1481         (ix86_current_function_needs_cld): Remove.
1482         * config/i386/i386.c (ix86_set_func_type): Set
1483         ix86_optimize_mode_switching[X86_DIRFLAG] to 1.
1484         (ix86_expand_prologue): Do not emit CLD here.
1485         (ix86_dirflag_mode_needed): New function.
1486         (ix86_dirflag_mode_entry): Ditto.
1487         (ix86_mode_needed): Handle X86_DIRFLAG entity.
1488         (ix86_mode_after): Ditto.
1489         (ix86_mode_entry): Ditto.
1490         (ix86_mode_exit): Ditto.
1491         (ix86_emit_mode_set): Ditto.
1492         * config/i386/i386.md (strmov_singleop): Set
1493         ix86_optimize_mode_switching[X86_DIRFLAG] to 1 for TARGET_CLD.
1494         Do not set ix86_current_function_needs_cld.
1495         (rep_mov): Ditto.
1496         (strset_singleop): Ditto.
1497         (rep_stos): Ditto.
1498         (cmpstrnqi_nz_1): Ditto.
1499         (cmpstrnqi_1): Ditto.
1500         (strlenqi_1): Ditto.
1501
1502 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
1503
1504         PR tree-optimization/71259
1505         * tree-vect-slp.c (vect_get_constant_vectors): For
1506         VECTOR_BOOLEAN_TYPE_P, return all ones constant instead of
1507         one for constant op, and use COND_EXPR for non-constant.
1508
1509 2016-06-06  David Malcolm  <dmalcolm@redhat.com>
1510
1511         * Makefile.in (OBJS): Add function-tests.o,
1512         hash-map-tests.o, hash-set-tests.o, rtl-tests.o,
1513         selftest-run-tests.o.
1514         (OBJS-libcommon): Add selftest.o.
1515         (OBJS-libcommon-target): Add selftest.o.
1516         (all.internal): Add "selftest".
1517         (all.cross): Likewise.
1518         (selftest): New phony target.
1519         (s-selftest): New target.
1520         (selftest-gdb): New phony target.
1521         (COLLECT2_OBJS): Add selftest.o.
1522         * bitmap.c: Include "selftest.h".
1523         (selftest::test_gc_alloc): New function.
1524         (selftest::test_set_range): New function.
1525         (selftest::test_clear_bit_in_middle): New function.
1526         (selftest::test_copying): New function.
1527         (selftest::test_bitmap_single_bit_set_p): New function.
1528         (selftest::bitmap_c_tests): New function.
1529         * common.opt (fself-test): New.
1530         * diagnostic-show-locus.c: Include "selftest.h".
1531         (make_range): New function.
1532         (test_range_contains_point_for_single_point): New function.
1533         (test_range_contains_point_for_single_line): New function.
1534         (test_range_contains_point_for_multiple_lines): New function.
1535         (assert_eq): New function.
1536         (test_get_line_width_without_trailing_whitespace): New function.
1537         (selftest::diagnostic_show_locus_c_tests): New function.
1538         * et-forest.c: Include "selftest.h".
1539         (selftest::test_single_node): New function.
1540         (selftest::test_simple_tree): New function.
1541         (selftest::test_disconnected_nodes): New function.
1542         (selftest::et_forest_c_tests): New function.
1543         * fold-const.c: Include "selftest.h".
1544         (selftest::assert_binop_folds_to_const): New function.
1545         (selftest::assert_binop_folds_to_nonlvalue): New function.
1546         (selftest::test_arithmetic_folding): New function.
1547         (selftest::fold_const_c_tests): New function.
1548         * function-tests.c: New file.
1549         * gimple.c: Include "selftest.h".
1550         Include "gimple-pretty-print.h".
1551         (selftest::verify_gimple_pp): New function.
1552         (selftest::test_assign_single): New function.
1553         (selftest::test_assign_binop): New function.
1554         (selftest::test_nop_stmt): New function.
1555         (selftest::test_return_stmt): New function.
1556         (selftest::test_return_without_value): New function.
1557         (selftest::gimple_c_tests): New function.
1558         * hash-map-tests.c: New file.
1559         * hash-set-tests.c: New file.
1560         * input.c: Include "selftest.h".
1561         (selftest::assert_loceq): New function.
1562         (selftest::test_accessing_ordinary_linemaps): New function.
1563         (selftest::test_unknown_location): New function.
1564         (selftest::test_builtins): New function.
1565         (selftest::test_reading_source_line): New function.
1566         (selftest::input_c_tests): New function.
1567         * rtl-tests.c: New file.
1568         * selftest-run-tests.c: New file.
1569         * selftest.c: New file.
1570         * selftest.h: New file.
1571         * spellcheck.c: Include "selftest.h".
1572         (selftest::levenshtein_distance_unit_test_oneway): New function,
1573         adapted from testsuite/gcc.dg/plugin/levenshtein_plugin.c.
1574         (selftest::levenshtein_distance_unit_test): Likewise.
1575         (selftest::spellcheck_c_tests): Likewise.
1576         * toplev.c: Include selftest.h.
1577         (toplev::run_self_tests): New.
1578         (toplev::main): Handle -fself-test.
1579         * toplev.h (toplev::run_self_tests): New.
1580         * tree.c: Include "selftest.h".
1581         (selftest::test_integer_constants): New function.
1582         (selftest::test_identifiers): New function.
1583         (selftest::test_labels): New function.
1584         (selftest::tree_c_tests): New function.
1585         * tree-cfg.c: Include "selftest.h".
1586         (selftest::push_fndecl): New function.
1587         (selftest::test_linear_chain): New function.
1588         (selftest::test_diamond): New function.
1589         (selftest::test_fully_connected): New function.
1590         (selftest::tree_cfg_c_tests): New function.
1591         * vec.c: Include "selftest.h".
1592         (selftest::safe_push_range): New function.
1593         (selftest::test_quick_push): New function.
1594         (selftest::test_safe_push): New function.
1595         (selftest::test_truncate): New function.
1596         (selftest::test_safe_grow_cleared): New function.
1597         (selftest::test_pop): New function.
1598         (selftest::test_safe_insert): New function.
1599         (selftest::test_ordered_remove): New function.
1600         (selftest::test_unordered_remove): New function.
1601         (selftest::test_block_remove): New function.
1602         (selftest::reverse_cmp): New function.
1603         (selftest::test_qsort): New function.
1604         (selftest::vec_c_tests): New function.c.
1605         * wide-int.cc: Include selftest.h and wide-int-print.h.
1606         (selftest::from_int <wide_int>): New function.
1607         (selftest::from_int <offset_int>): New function.
1608         (selftest::from_int <widest_int>): New function.
1609         (selftest::assert_deceq): New function.
1610         (selftest::assert_hexeq): New function.
1611         (selftest::test_printing <VALUE_TYPE>): New function template.
1612         (selftest::test_ops <VALUE_TYPE>): New function template.
1613         (selftest::test_comparisons <VALUE_TYPE>): New function template.
1614         (selftest::run_all_wide_int_tests <VALUE_TYPE>): New function
1615         template.
1616         (selftest::wide_int_cc_tests): New function.
1617
1618 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1619
1620         PR middle-end/37780
1621         * ifcvt.c (noce_try_ifelse_collapse): New function.
1622         Declare prototype.
1623         (noce_process_if_block): Call noce_try_ifelse_collapse.
1624         * simplify-rtx.c (simplify_cond_clz_ctz): New function.
1625         (simplify_ternary_operation): Use the above to simplify
1626         conditional CLZ/CTZ expressions.
1627
1628 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1629
1630         PR middle-end/37780
1631         * config/aarch64/aarch64.md (ctz<mode>2): Convert to
1632         define_insn_and_split.
1633
1634 2016-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1635
1636         PR middle-end/37780
1637         * config/arm/arm.md (ctzsi2): Convert to define_insn_and_split.
1638
1639 2016-06-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1640
1641         PR c/24414
1642         * cfgexpand.c (expand_asm_loc): Remove handling for ADDR_EXPR.
1643         Implicitly clobber memory for basic asm with non-empty assembler
1644         string.  Use targetm.md_asm_adjust also here.
1645         * compare-elim.c (arithmetic_flags_clobber_p): Use asm_noperands here.
1646         * final.c (final_scan_insn): Handle basic asm in PARALLEL block.
1647         * gimple.c (gimple_asm_clobbers_memory_p): Handle basic asm with
1648         non-empty assembler string.
1649         * ira.c (compute_regs_asm_clobbered): Use asm_noperands here.
1650         * recog.c (asm_noperands): Handle basic asm in PARALLEL block.
1651         (decode_asm_operands): Handle basic asm in PARALLEL block.
1652         (extract_insn): Handle basic asm in PARALLEL block.
1653         * doc/extend.texi: Mention new behavior of basic asm.
1654         * config/ia64/ia64 (rtx_needs_barrier): Handle ASM_INPUT here.
1655         * config/pa/pa.c (branch_to_delay_slot_p, branch_needs_nop_p,
1656         branch_needs_nop_p): Use asm_noperands.
1657
1658 2016-06-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
1659
1660         * config/sparc/sparc.md (cpu): Add niagara7 cpu type.
1661         Include the M7 SPARC DFA scheduler.
1662         New attribute v3pipe.
1663         Annotate insns with v3pipe where appropriate.
1664         Define cpu_feature vis4.
1665         Add lzd instruction type and set it on clzdi_sp64 and clzsi_sp64.
1666         Add (V8QI "8") to vbits.
1667         Add insns {add,sub}v8qi3
1668         Add insns ss{add,sub}v8qi3
1669         Add insns us{add,sub}{v8qi,v4hi}3
1670         Add insns {min,max}{v8qi,v4hi,v2si}3
1671         Add insns {minu,maxu}{v8qi,v4hi,v2si}3
1672         Add insns fpcmp{le,gt,ule,ug,ule,ugt}{8,16,32}_vis.
1673         * config/sparc/niagara4.md: Add a comment explaining the
1674         discrepancy between the documented latenty numbers and the
1675         implemented ones.
1676         * config/sparc/niagara7.md: New file.
1677         * configure.ac (HAVE_AS_SPARC5_VIS4): Define if the assembler
1678         supports SPARC5 and VIS 4.0 instructions.
1679         * configure: Regenerate.
1680         * config.in: Likewise.
1681         * config.gcc: niagara7 is a supported cpu in sparc*-*-* targets.
1682         * config/sparc/sol2.h (ASM_CPU32_DEFAUILT_SPEC): Set for
1683         TARGET_CPU_niagara7.
1684         (ASM_CPU64_DEFAULT_SPEC): Likewise.
1685         (CPP_CPU_SPEC): Handle niagara7.
1686         (ASM_CPU_SPEC): Likewise.
1687         * config/sparc/sparc-opts.h (processor_type): Add
1688         PROCESSOR_NIAGARA7.
1689         (mvis4): New option.
1690         * config/sparc/sparc.h (TARGET_CPU_niagara7): Define.
1691         (AS_NIAGARA7_FLAG): Define.
1692         (ASM_CPU64_DEFAULT_SPEC): Set for niagara7.
1693         (CPP_CPU64_DEFAULT_SPEC): Likewise.
1694         (CPP_CPU_SPEC): Handle niagara7.
1695         (ASM_CPU_SPEC): Likewise.
1696         * config/sparc/sparc.c (niagara7_costs): Define.
1697         (sparc_option_override): Handle niagara7 and adjust cache-related
1698         parameters with better values for niagara cpus.  Also support VIS4.
1699         (sparc32_initialize_trampoline): Likewise.
1700         (sparc_use_sched_lookahead): Likewise.
1701         (sparc_issue_rate): Likewise.
1702         (sparc_register_move_cost): Likewise.
1703         (dump_target_flag_bits): Support VIS4.
1704         (sparc_vis_init_builtins): Likewise.
1705         (sparc_builtins): Likewise.
1706         * config/sparc/sparc-c.c (sparc_target_macros): Define __VIS__ for
1707         VIS4 4.0.
1708         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-M7 and
1709         UltraSparc M7.
1710         * config/sparc/sparc.opt (sparc_processor_type): New value
1711         niagara7.
1712         * config/sparc/visintrin.h (__attribute__): Prototypes for the
1713         VIS4 builtins.
1714         * doc/invoke.texi (SPARC Options): Document -mcpu=niagara7 and
1715         -mvis4.
1716         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
1717         VIS4 builtins.
1718
1719 2016-06-06  Jonathan Wakely  <jwakely@redhat.com>
1720
1721         * doc/sourcebuild.texi (Directives): Remove extra closing braces.
1722
1723 2016-06-06  Richard Biener  <rguenther@suse.de>
1724
1725         PR tree-optimization/71398
1726         * tree-ssa-loop-ivcanon.c (unloop_loops): First unloop, then
1727         remove edges.
1728
1729 2016-06-05  James Bowman  <james.bowman@ftdichip.com>
1730
1731         * config/ft32/ft32.c (ft32_setup_incoming_varargs,
1732         ft32_expand_prolog, ft32_expand_epilogue):
1733         Handle pretend_args.
1734         * config/ft32/ft32.h: Remove OUTGOING_REG_PARM_STACK_SPACE.
1735         * config/ft32/ft32.md: Add pretend_returner.
1736
1737 2016-06-06  Uros Bizjak  <ubizjak@gmail.com>
1738
1739         PR target/71389
1740         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1741         Copy op1 RTX to avoid invalid sharing.
1742         (ix86_expand_vector_move_misalign): Ditto.
1743
1744 2016-06-05  John David Anglin  <danglin@gcc.gnu.org>
1745
1746         * expr.c (move_by_pieces_d::generate): Mark mode parameter with
1747         ATTRIBUTE_UNUSED.
1748
1749 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1750
1751         * predict.c (predicted_by_loop_heuristics_p): New function.
1752         (predict_iv_comparison): Use it.
1753         (predict_loops): Walk from innermost loops; do not predict edges
1754         leaving multiple loops multiple times; implement
1755         PRED_LOOP_ITERATIONS_MAX heuristics.
1756         * predict.def (PRED_LOOP_ITERATIONS_MAX): New predictor.
1757
1758 2016-06-05  Jan Hubicka  <hubicka@ucw.cz>
1759
1760         * cfg.c (check_bb_profile): Do not report mismatched profiles when
1761         only edges out of BB are EH edges.
1762
1763 2016-06-04  Martin Sebor  <msebor@redhat.com>
1764             Marcin Baczyński  <marbacz@gmail.com>
1765
1766         PR c/48116
1767         * doc/invoke.texi (-Wreturn-type): Mention not warning on return with
1768         a void expression in a void function.
1769
1770 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1771
1772         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Do not check
1773         aux; dump reasons of decisions.
1774         (should_duplicate_loop_header_p): Likewise.
1775         (do_while_loop_p): Likewise.
1776         (ch_base::copy_headers): Dump asi num insns duplicated.
1777
1778 2016-06-04  Jakub Jelinek  <jakub@redhat.com>
1779
1780         PR tree-optimization/71405
1781         * tree-ssa.c (execute_update_addresses_taken): For clobber with
1782         incompatible type, build a new clobber with the right type instead
1783         of building a VIEW_CONVERT_EXPR around it.
1784
1785 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1786
1787         PR tree-optimization/52171
1788         * config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
1789         by_pieces_ninsns instead of move_by_pieces_ninsns.
1790
1791 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
1792
1793         * config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
1794         for reg+reg addressing mode.
1795
1796 2016-06-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1797
1798         * rs6000-c.c (c/c-tree.h): Add #include.
1799         (altivec_resolve_overloaded_builtin): Handle ARRAY_TYPE arguments
1800         in C++ when found in the base position of vec_ld or vec_st.
1801
1802 2016-06-03  Jan Hubicka  <hubicka@ucw.cz>
1803
1804         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Avoid
1805         use of profile unless profile status is PROFILE_READ.
1806         * profile.c (compute_branch_probabilities): Set profile status
1807         only after reporting predictor hitrates.
1808
1809 2016-06-03  Joseph Myers  <joseph@codesourcery.com>
1810
1811         PR target/71276
1812         PR target/71277
1813         * common.opt (ffp-int-builtin-inexact): New option.
1814         * doc/invoke.texi (-fno-fp-int-builtin-inexact): Document.
1815         * doc/md.texi (floor@var{m}2, btrunc@var{m}2, round@var{m}2)
1816         (ceil@var{m}2): Document dependence on this option.
1817         * ipa-inline-transform.c (inline_call): Handle
1818         flag_fp_int_builtin_inexact.
1819         * ipa-inline.c (can_inline_edge_p): Likewise.
1820         * config/i386/i386.md (rintxf2): Do not test
1821         flag_unsafe_math_optimizations.
1822         (rint<mode>2_frndint): New define_insn.
1823         (rint<mode>2): Do not test flag_unsafe_math_optimizations for 387
1824         or !flag_trapping_math for SSE.  Just use gen_rint<mode>2_frndint
1825         for 387 instead of extending and truncating.
1826         (frndintxf2_<rounding>): Test flag_fp_int_builtin_inexact ||
1827         !flag_trapping_math instead of flag_unsafe_math_optimizations.
1828         Change to frndint<mode>2_<rounding>.
1829         (frndintxf2_<rounding>_i387): Likewise.  Change to
1830         frndint<mode>2_<rounding>_i387.
1831         (<rounding_insn>xf2): Likewise.
1832         (<rounding_insn><mode>2): Test flag_fp_int_builtin_inexact ||
1833         !flag_trapping_math instead of flag_unsafe_math_optimizations for
1834         x87.  Test TARGET_ROUND || !flag_trapping_math ||
1835         flag_fp_int_builtin_inexact instead of !flag_trapping_math for
1836         SSE.  Use ROUND_NO_EXC in constant operand of
1837         gen_sse4_1_round<mode>2.  Just use gen_frndint<mode>2_<rounding>
1838         for 387 instead of extending and truncating.
1839
1840 2016-06-03  H.J. Lu  <hongjiu.lu@intel.com>
1841             Julia Koval  <julia.koval@intel.com>
1842
1843         PR target/66960
1844         PR target/67630
1845         PR target/67634
1846         PR target/67841
1847         PR target/68037
1848         PR target/68618
1849         PR target/68661
1850         PR target/69575
1851         PR target/69596
1852         PR target/69734
1853         * config/i386/i386-protos.h (ix86_epilogue_uses): New prototype.
1854         * config/i386/i386.c (ix86_conditional_register_usage): Preserve
1855         all registers, except for function return registers if there are
1856         no caller-saved registers.
1857         (ix86_set_func_type): New function.
1858         (ix86_set_current_function): Call ix86_set_func_type to set
1859         no_caller_saved_registers and func_type.  Call reinit_regs if
1860         caller-saved registers are changed.  Don't allow MPX, SSE, MMX
1861         nor x87 instructions in interrupt handler nor function with
1862         no_caller_saved_registers attribute.
1863         (ix86_function_ok_for_sibcall): Return false if there are no
1864         caller-saved registers.
1865         (type_natural_mode): Don't warn ABI change for MMX in interrupt
1866         handler.
1867         (ix86_function_arg_advance): Skip for callee in interrupt handler.
1868         (ix86_function_arg): Return special arguments in interrupt handler.
1869         (ix86_promote_function_mode): Promote pointer to word_mode only
1870         for normal functions.
1871         (ix86_can_use_return_insn_p): Don't use `ret' instruction in
1872         interrupt handler.
1873         (ix86_epilogue_uses): New function.
1874         (ix86_hard_regno_scratch_ok): Likewise.
1875         (ix86_save_reg): Preserve all registers in interrupt handler
1876         after reload.  Preserve all registers, except for function return
1877         registers, if there are no caller-saved registers after reload.
1878         (find_drap_reg): Always use callee-saved register if there are
1879         no caller-saved registers.
1880         (ix86_minimum_incoming_stack_boundary): Return MIN_STACK_BOUNDARY
1881         for interrupt handler.
1882         (ix86_expand_prologue): Don't allow DRAP in interrupt handler.
1883         Emit cld instruction if stringops are used in interrupt handler
1884         or interrupt handler isn't a leaf function.
1885         (ix86_expand_epilogue): Generate interrupt return for interrupt
1886         handler and pop the 'ERROR_CODE' off the stack before interrupt
1887         return in exception handler.
1888         (ix86_expand_call): Disallow calling interrupt handler directly.
1889         If there are no caller-saved registers, mark all registers that
1890         are clobbered by the call which returns as clobbered.
1891         (ix86_handle_no_caller_saved_registers_attribute): New function.
1892         (ix86_handle_interrupt_attribute): Likewise.
1893         (ix86_attribute_table): Add interrupt and no_caller_saved_registers
1894         attributes.
1895         (TARGET_HARD_REGNO_SCRATCH_OK): Likewise.
1896         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use argument
1897         accumulation in interrupt function if stack may be realigned to
1898         avoid DRAP.
1899         (EPILOGUE_USES): New.
1900         (function_type): New enum.
1901         (machine_function): Add func_type and no_caller_saved_registers.
1902         * config/i386/i386.md (UNSPEC_INTERRUPT_RETURN): New.
1903         (interrupt_return): New pattern.
1904         * doc/extend.texi: Document x86 interrupt and
1905         no_caller_saved_registers attributes.
1906
1907 2016-06-03  Bernd Schmidt  <bschmidt@redhat.com>
1908
1909         PR tree-optimization/52171
1910         * builtins.c (expand_cmpstrn_or_cmpmem): Delete, moved elsewhere.
1911         (expand_builtin_memcmp): New arg RESULT_EQ.  All callers changed.
1912         Look for constant strings.  Move some code to emit_block_cmp_hints
1913         and use it.
1914         * builtins.def (BUILT_IN_MEMCMP_EQ): New.
1915         * defaults.h (COMPARE_MAX_PIECES): New macro.
1916         * expr.c (move_by_pieces_d, store_by_pieces_d): Remove old structs.
1917         (move_by_pieces_1, store_by_pieces_1, store_by_pieces_2): Remvoe.
1918         (clear_by_pieces_1): Don't declare.  Move definition before use.
1919         (can_do_by_pieces): New static function.
1920         (can_move_by_pieces): Use it.  Return bool.
1921         (by_pieces_ninsns): Renamed from move_by_pieces_ninsns.  New arg
1922         OP.  All callers changed.  Handle COMPARE_BY_PIECES.
1923         (class pieces_addr); New.
1924         (pieces_addr::pieces_addr, pieces_addr::decide_autoinc,
1925         pieces_addr::adjust, pieces_addr::increment_address,
1926         pieces_addr::maybe_predec, pieces_addr::maybe_postinc): New member
1927         functions for it.
1928         (class op_by_pieces_d): New.
1929         (op_by_pieces_d::op_by_pieces_d, op_by_pieces_d::run): New member
1930         functions for it.
1931         (class move_by_pieces_d, class compare_by_pieces_d,
1932         class store_by_pieces_d): New subclasses of op_by_pieces_d.
1933         (move_by_pieces_d::prepare_mode, move_by_pieces_d::generate,
1934         move_by_pieces_d::finish_endp, store_by_pieces_d::prepare_mode,
1935         store_by_pieces_d::generate, store_by_pieces_d::finish_endp,
1936         compare_by_pieces_d::generate, compare_by_pieces_d::prepare_mode,
1937         compare_by_pieces_d::finish_mode): New member functions.
1938         (compare_by_pieces, emit_block_cmp_via_cmpmem): New static
1939         functions.
1940         (expand_cmpstrn_or_cmpmem): Moved here from builtins.c.
1941         (emit_block_cmp_hints): New function.
1942         (move_by_pieces, store_by_pieces, clear_by_pieces): Rewrite to just
1943         use the newly defined classes.
1944         * expr.h (by_pieces_constfn): New typedef.
1945         (can_store_by_pieces, store_by_pieces): Use it in arg declarations.
1946         (emit_block_cmp_hints, expand_cmpstrn_or_cmpmem): Declare.
1947         (move_by_pieces_ninsns): Don't declare.
1948         (can_move_by_pieces): Change return value to bool.
1949         * target.def (TARGET_USE_BY_PIECES_INFRASTRUCTURE_P): Update docs.
1950         (compare_by_pieces_branch_ratio): New hook.
1951         * target.h (enum by_pieces_operation): Add COMPARE_BY_PIECES.
1952         (by_pieces_ninsns): Declare.
1953         * targethooks.c (default_use_by_pieces_infrastructure_p): Handle
1954         COMPARE_BY_PIECES.
1955         (default_compare_by_pieces_branch_ratio): New function.
1956         * targhooks.h (default_compare_by_pieces_branch_ratio): Declare.
1957         * doc/tm.texi.in (STORE_MAX_PIECES, COMPARE_MAX_PIECES): Document.
1958         * doc/tm.texi: Regenerate.
1959         * tree-ssa-strlen.c: Include "builtins.h".
1960         (handle_builtin_memcmp): New static function.
1961         (strlen_optimize_stmt): Call it for BUILT_IN_MEMCMP.
1962         * tree.c (build_common_builtin_nodes): Create __builtin_memcmp_eq.
1963
1964 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1965
1966         * tree-vect-stmts.c (vect_stmt_relevant_p): Do not vectorize non live
1967         relevant stmts which are simple and invariant.
1968         * tree-vect-loop.c (vectorizable_live_operation): Check relevance
1969         instead of simple and invariant
1970
1971 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1972
1973         * tree-vect-loop.c (vect_analyze_loop_operations): Allow live stmts.
1974         (vectorizable_reduction): Check for new relevant state.
1975         (vectorizable_live_operation): vectorize live stmts using
1976         BIT_FIELD_REF.  Remove special case for gimple assigns stmts.
1977         * tree-vect-stmts.c (is_simple_and_all_uses_invariant): New function.
1978         (vect_stmt_relevant_p): Check for stmts which are only used live.
1979         (process_use): Use of a stmt does not inherit it's live value.
1980         (vect_mark_stmts_to_be_vectorized): Simplify relevance inheritance.
1981         (vect_analyze_stmt): Check for new relevant state.
1982         * tree-vectorizer.h (vect_relevant): New entry for a stmt which is used
1983         outside the loop, but not inside it.
1984
1985 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1986
1987         * tree-vectorizer.h (vect_get_vec_def_for_operand_1): New.
1988         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): New.
1989         (vect_get_vec_def_for_operand): Split out code.
1990
1991 2016-06-03  Segher Boessenkool  <segher@kernel.crashing.org>
1992
1993         * config/rs6000/rs6000.md (define_peepholes for two mfcr's): Delete.
1994
1995 2016-06-03  Alan Hayward  <alan.hayward@arm.com>
1996
1997         * tree-vect-stmts.c (vectorizable_call) Remove GOMP_SIMD_LANE code.
1998
1999 2016-06-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2000
2001         * config/arm/thumb1.md (*thumb1_mulsi3): Fix typos in comment.
2002
2003 2016-06-03  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR middle-end/71387
2006         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): If redirecting
2007         to noreturn e->callee->decl that has void return type and void
2008         arguments, adjust gimple_call_fntype and remove lhs even if it had
2009         previously addressable type.
2010
2011 2016-06-02  Jeff Law  <law@redhat.com>
2012
2013         PR tree-optimization/71328
2014         * tree-ssa-threadupdate.c (duplicate_thread_path): Fix off-by-one
2015         error when checking for a jump back onto the copied path.
2016
2017 2016-06-02  David Malcolm  <dmalcolm@redhat.com>
2018
2019         * config/microblaze/microblaze.c (get_branch_target): Add return
2020         NULL_RTX for the non-CALL_P case.
2021         (insert_wic_for_ilb_runout): Remove unused local "wic_addr1".
2022         (insert_wic): Remove unused local "j".
2023
2024 2016-06-02  Martin Liska  <mliska@suse.cz>
2025
2026         * predict.def: Fix typo in PRED_FORTRAN_FAIL_IO display name.
2027
2028 2016-06-02  H.J. Lu  <hongjiu.lu@intel.com>
2029             Julia Koval  <julia.koval@intel.com>
2030
2031         * function.c (assign_parm_setup_stack): Force source into a
2032         register if needed.
2033         * target.def (function_incoming_arg): Update documentation to
2034         allow arbitrary address computation based on hard register.
2035         * doc/tm.texi: Regenerated.
2036
2037 2016-06-02  Martin Liska  <mliska@suse.cz>
2038
2039         * predict.c (combine_predictions_for_bb): Fix first match in
2040         cases where a first predictor contains more than one occurence
2041         in list of predictors.  Take the best value in such case.
2042
2043 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2044
2045         PR rtl-optimization/71295
2046         * rtlanal.c (subreg_get_info): If taking a subreg at the requested
2047         offset would go over the size of the inner mode reject it.
2048
2049 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
2050
2051         * config/i386/sse.md (*vec_concatv4si): Use v=v,v instead of
2052         x=x,x and v=v,m instead of x=x,m.
2053
2054         * config/i386/sse.md (*vec_concatv2si_sse4_1): Add avx512dq v=Yv,rm
2055         alternative.  Change x=x,x alternative to v=Yv,Yv and x=rm,C
2056         alternative to v=rm,C.
2057
2058         * config/i386/sse.md (*vec_concatv2di): Add x86_avx512dq v=Yv,rm
2059         alternative.  Change x=xm,C alternative to v=vm,C, x=x,x alternative
2060         to v=Yv,Yv and x=x,m to v=v,m.  Use maybe_evex prefix attribute
2061         instead of vex for the last two above mentioned alternatives.
2062
2063 2016-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2064
2065         PR target/70830
2066         * config/arm/arm.c (arm_output_multireg_pop): Guard "pop" on update.
2067
2068 2016-06-02  Segher Boessenkool  <segher@kernel.crashing.org>
2069
2070         * config/rs6000/dfp.md (trunctddd2): Correct the "length" attribute.
2071
2072 2016-06-01  David Malcolm  <dmalcolm@redhat.com>
2073
2074         * config/rl78/rl78.c (rl78_expand_prologue): Convert local
2075         from int to unsigned.
2076
2077 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2078
2079         * config/rs6000/vsx.md (vsx_splat_<mode>, V2DI/V2DF): Simplify
2080         alternatives, eliminating preferred register class.  Add support
2081         for the MTVSRDD instruction in ISA 3.0.
2082         (vsx_splat_v4si_internal): Use splat_input_operand instead of
2083         reg_or_indexed_operand.
2084         (vsx_splat_v4sf_internal): Likewise.
2085
2086 2016-05-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
2087
2088         PR target/71186
2089         * config/rs6000/vsx.md (xxspltib_<mode>_nosplit): Add alternatives
2090         for loading up all 0's or all 1's.
2091
2092 2016-06-01  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2093
2094         * doc/sourcebuild.texi (arm_acq_rel): Document new effective target.
2095
2096 2016-06-01  Eduard Sanou  <dhole@openmailbox.org>
2097
2098         * doc/cppenv.texi: Note that the `%s` in `date` is a non-standard
2099         extension.
2100         * gcc.c (driver_handle_option): Call set_source_date_epoch_envvar.
2101         * gcc.c (set_source_date_epoch_envvar): New function, sets
2102         the SOURCE_DATE_EPOCH environment variable to the current time.
2103
2104 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2105
2106         * tree-vect-loop.c (vect_determine_vectorization_factor): Also compute
2107         the factor for live Phi nodes.
2108
2109 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2110
2111         * loop-dolop.c (doloop_optimize): Us likely max iteration bound.
2112         * tree-parloops.c (parallelize_loops): likewise.
2113         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop,
2114         tree_unswitch_outer_loop): likewise.
2115
2116 2016-06-01  Jakub Jelinek  <jakub@redhat.com>
2117
2118         PR middle-end/71371
2119         * gimplify.c (gimplify_omp_for): Temporarily clear gimplify_omp_ctxp
2120         around creation of the temporary.
2121
2122 2016-06-01  Richard Biener  <rguenther@suse.de>
2123
2124         PR tree-optimization/71366
2125         * tree-ssa-loop-ivcanon.c (edges_to_remove): New global.
2126         (unloop_loops): Move removing edges here ...
2127         (try_unroll_loop_completely): ... from here.
2128         (try_peel_loop): ... and here.
2129         (tree_unroll_loops_completely_1): Track parent loops via
2130         bitmap of header BBs.
2131         (tree_unroll_loops_completely): Adjust for that.
2132
2133 2016-06-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
2134
2135         * config/rs6000/altivec.h (vec_slv): New macro.
2136         (vec_srv): New macro.
2137         * config/rs6000/altivec.md (UNSPEC_VSLV): New value.
2138         (UNSPEC_VSRV): New value.
2139         (vslv): New insn.
2140         (vsrv): New insn.
2141         * config/rs6000/rs6000-builtin.def (vslv): New builtin definition.
2142         (vsrv): New builtin definition.
2143         * config/rs6000/rs6000-c.c (P9V_BUILTIN_VSLV): Macro expansion to
2144         define argument types for new builtin.
2145         (P9V_BUILTIN_VSRV): Macro expansion to define argument types for
2146         new builtin.
2147         * doc/extend.texi: Document the new vec_vslv and vec_srv built-in
2148         functions.
2149
2150 2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
2151             Jocelyn Mayer  <l_indien@magic.fr>
2152
2153         PR target/67310
2154         * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
2155         detect processor family for signature_CENTAUR_ebx.
2156         <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
2157         signature_CENTAUR_ebx.
2158         <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
2159         <default>: Pass x86-64 for has_longmode.
2160
2161 2016-06-01  Nathan Sidwell  <nathan@acm.org>
2162
2163         * config/nvptx/nvptx.c (nvptx_assemble_undefined_decl): Reject
2164         undefined weak.
2165
2166 2016-06-01  Richard Biener  <rguenther@suse.de>
2167
2168         PR tree-optimization/71261
2169         * tree-vect-patterns.c (check_bool_pattern): Gather a hash-set
2170         of stmts successfully put in the bool pattern.  Remove
2171         single-use restriction.
2172         (adjust_bool_pattern_cast): Add cast at the use site via the
2173         pattern def sequence.
2174         (adjust_bool_pattern): Remove recursion, maintain a hash-map
2175         of patterned defs.  Use the pattern def seqence instead of
2176         multiple independent patterns.
2177         (sort_after_uid): New qsort compare function.
2178         (adjust_bool_stmts): New function to process stmts in the bool
2179         pattern in IL order.
2180         (vect_recog_bool_pattern): Adjust.
2181         * tree-if-conv.c (ifcvt_split_def_stmt): Remove.
2182         (ifcvt_walk_pattern_tree): Likewise.
2183         (stmt_is_root_of_bool_pattern): Likewise.
2184         (ifcvt_repair_bool_pattern): Likewise.
2185         (tree_if_conversion): Do not call ifcvt_repair_bool_pattern.
2186
2187 2016-06-01  Jan Hubicka  <hubicka@ucw.cz>
2188
2189         * loop-unroll.c (decide_unroll_constant_iterations,
2190         decide_unroll_runtime_iterations, decide_unroll_stupid): Use
2191         likely upper bounds.
2192         * loop-iv.c (find_simple_exit): Dump likely upper bounds.
2193
2194 2016-06-01  Thomas Schwinge  <thomas@codesourcery.com>
2195
2196         * tree-core.h (enum omp_clause_code): Remove
2197         OMP_CLAUSE_DEVICE_RESIDENT.  Adjust all users.
2198
2199 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2200
2201         * config/arm/sync.md (arm_store_exclusive<mode>):
2202         Use 'H' output modifier on operands[2] rather than creating a new
2203         entry in out-of-bounds memory of the operands array.
2204         (arm_store_release_exclusivedi): Likewise.
2205
2206 2016-06-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2207
2208         * config/arm/arm.c (arm_fusion_enabled_p): New function.
2209         * config/arm/arm-protos.h (arm_fusion_enabled_p): Declare prototype.
2210         * config/arm/crypto.md (crypto_<crypto_pattern>, CRYPTO_UNARY):
2211         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2212
2213 2016-06-01  Eric Botcazou  <ebotcazou@adacore.com>
2214
2215         * tree-vect-loop.c (vect_determine_vectorization_factor): Also take
2216         into account live statements for mask producers.
2217
2218 2016-06-01  Richard Biener  <rguenther@suse.de>
2219
2220         PR tree-optimization/71311
2221         * match.pd (@0 < @1 && @0 < @2 -> @0 < min(@1,@2)): Add :c and
2222         restrict to non-INTEGER_CST @0.
2223
2224 2016-06-01  Richard Biener  <rguenther@suse.de>
2225
2226         * match.pd ((A & B) - (A & ~B) -> B - (A ^ B)): Add missing :c.
2227         (relational patterns): Use :c to avoid pattern duplications.
2228
2229 2016-06-01  Richard Biener  <rguenther@suse.de>
2230
2231         * genmatch.c (comparison_code_p): New predicate.
2232         (swap_tree_comparison): New function.
2233         (commutate): Add for_vec parameter to append new for entries.
2234         Support commutating relational operators by swapping it alongside
2235         operands.
2236         (lower_commutative): Adjust.
2237         (dt_simplify::gen): Do not pass artificial operators to gen
2238         functions.
2239         (decision_tree::gen): Do not add artificial operators as parameters.
2240         (parser::parse_expr): Verify operator commutativity when :c is
2241         applied.  Allow :C to override this.
2242         * match.pd: Adjust patterns to use :C instead of :c where required.
2243
2244 2016-06-01  Patrick Palka  <ppalka@gcc.gnu.org>
2245
2246         PR tree-optimization/71077
2247         * tree-ssa-threadedge.c (simplify_control_stmt_condition_1): In
2248         the combining step, use boolean_false_node and boolean_true_node
2249         as the designated false/true return values.
2250
2251 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2252
2253         * predict.def (PRED_LOOP_EXTRA_EXIT): Define.
2254         * predict.c (predict_iv_comparison): Also check PRED_LOOP_EXTRA_EXIT.
2255         (predict_extra_loop_exits): Use PRED_LOOP_EXTRA_EXIT instead of
2256         PRED_LOOP_EXIT.
2257
2258 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2259
2260         * doc/invoke.texi (-frename-registers): Drop -fpeel-loops from list
2261         of flags impliying the register renaming.
2262         * toplev.c (process_options): Do not imply flag_rename_registers with
2263         loop peeling.
2264
2265 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2266
2267         * config/sh/sh.h (ASM_OUTPUT_SYMBOL_REF): Remove macro and use the
2268         default implementation.
2269
2270 2016-05-31  Nathan Sidwell  <nathan@acm.org>
2271
2272         * dwarf2out.c (cur_line_info_table): Add GTY marker.
2273
2274 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2275
2276         * config/sh/constraints.md (b): Remove constraint.
2277         * config/sh/predicates.md (arith_reg_operand): Remove
2278         TARGET_REGISTER_P.
2279         * config/sh/sh-modes.def (PDI): Remove.
2280         * config/sh/sh.c (sh_target_reg_class,
2281         sh_optimize_target_register_callee_saved): Remove functions.
2282         (sh_option_override): Don't set MASK_SAVE_ALL_TARGET_REGS.
2283         (sh_expand_epilogue): Update comment.
2284         (sh_hard_regno_mode_ok, sh_register_move_cost, calc_live_regs,
2285         sh_secondary_reload): Remove TARGET_REGS related code.
2286         * config/sh/sh.h (FIRST_TARGET_REG, LAST_TARGET_REG,
2287         TARGET_REGISTER_P): Remove macros.
2288         (SH_DBX_REGISTER_NUMBER, REG_ALLOC_ORDER): Remove target regs.
2289         * config/sh/sh.md (PR_MEDIA_REG, T_MEDIA_REG, FR23_REG, TR0_REG,
2290         TR1_REG, TR2_REG): Remove constants.
2291         * config/sh/sh.opt (SAVE_ALL_TARGET_REGS): Remove.
2292
2293 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2294
2295         * config/sh/sh.md (adddi3, subdi3, negdi2, abs<mode>2): Remove
2296         define_expand patterns.
2297         (adddi3_compact): Rename to adddi3.
2298         (subdi3_compact): Rename to subdi3.
2299         (*negdi2): Rename to negdi2.
2300         (*abs<mode>2): Rename to abs<mode>2.
2301
2302 2016-05-31  Oleg Endo  <olegendo@gcc.gnu.org>
2303
2304         * config/rx/rx.md (FETCHOP_NO_MINUS): New code iterator.
2305         (atomic_<fetchop_name>_fetchsi): Extract minus operator into ...
2306         (atomic_sub_fetchsi): ... this new pattern.
2307         (mvtc): Add CC_REG clobber.
2308
2309 2016-05-31  Marek Polacek  <polacek@redhat.com>
2310
2311         * gimplify.c (gimplify_switch_expr): Also handle GIMPLE_TRY.
2312
2313 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2314
2315         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Use
2316         aarch64_fusion_enabled_p to check for fusion capabilities.
2317
2318 2016-05-31  Richard Biener  <rguenther@suse.de>
2319
2320         PR tree-optimization/71352
2321         * tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
2322         minus one and a negate.
2323
2324 2016-05-31  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2325
2326         * config/aarch64/aarch64.c (aarch64_simd_attr_length_move): Delete.
2327         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_move):
2328         Delete prototype.
2329         * config/aarch64/iterators.md (insn_count): Add descriptive comment.
2330         * config/aarch64/aarch64-simd.md (*aarch64_mov<mode>, VSTRUCT modes):
2331         Remove use of aarch64_simd_attr_length_move, set length attribute
2332         directly.
2333         (*aarch64_be_movoi): Likewise.
2334         (*aarch64_be_movci): Likewise.
2335         (*aarch64_be_movxi): Likewise.
2336
2337 2016-05-31  Jan Hubicka  <hubicka@ucw.cz>
2338
2339         * loop-init.c (gate): Do not enale RTL loop unroller with -fpeel-loops.
2340         It no longer does that.
2341         * toplev.c (process_options): Do not enable flag_web with -fpeel-loops.
2342
2343 2016-05-31  Wladimir J. van der Laan  <laanwj@gmail.com>
2344
2345         * config/aarch64/arm_neon.h (vdupb_laneq_s8): Remove spurious
2346         attribute __unused__.
2347
2348 2016-05-31  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2349
2350         * config/arm/arm-protos.h (arm_arch_thumb1): Declare.
2351         * config/arm/arm.c (arm_arch_thumb1): Define.
2352         (arm_option_override): Initialize arm_arch_thumb1.
2353         * config/arm/arm.h (arm_arch_thumb1): Declare.
2354         (TARGET_ARM_ARCH_ISA_THUMB): Use arm_arch_thumb to determine if target
2355         support Thumb-1 ISA.
2356
2357 2016-05-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2358
2359         PR target/71346
2360         * config/i386/sse.md (define_insn_and_split "*vec_extractv4sf_0"): Use
2361         `Yv' for scalar operand.
2362
2363 2016-05-31  Tom de Vries  <tom@codesourcery.com>
2364
2365         PR tree-optimization/69068
2366         * graphite-isl-ast-to-gimple.c (copy_bb_and_scalar_dependences): Handle
2367         phis with more than two args.
2368
2369 2016-05-30  Andreas Tobler  <andreast@gcc.gnu.org>
2370
2371         * config.gcc: Move hard float support for arm*hf*-*-freebsd* into
2372         armv6*-*-freebsd* for FreeBSD 11. Eliminate the arm*hf*-*-freebsd*
2373         target.
2374
2375 2016-05-30  Jose E. Marchesi  <jose.marchesi@oracle.com>
2376
2377         * config.gcc (sparc*-*-*): Support cpu_32, cpu_64, tune_32 and
2378         tune_64.
2379         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2380         support on SPARC.
2381         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Add entries for
2382         cpu_32, cpu_64, tune_32 and tune_64.
2383         * config/sparc/sol2.h (OPTION_DEFAULT_SPECS): Likewise.
2384
2385 2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
2386
2387         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
2388
2389 2016-05-30  Andi Kleen  <ak@linux.intel.com>
2390
2391         * auto-profile.c (read_profile): Replace asserts with errors
2392         when file does not exist.
2393         * gcov-io.c (gcov_read_words): Dito.
2394
2395 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2396
2397         * tree-cfg.c (print_loop): Print likely upper bounds.
2398
2399 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2400
2401         * doc/invoke.texi (-fpeel-loops,-O3): Update documentation.
2402         * opts.c (default_options): Enable peel loops at -O3.
2403         * tree-ssa-loop-ivcanon.c (peeled_loops): New static var.
2404         (try_peel_loop): Do not re-peel already peeled loops;
2405         use likely upper bounds; fix profile updating.
2406         (pass_complete_unroll::execute): Initialize peeled_loops.
2407
2408 2016-05-30  Martin Liska  <mliska@suse.cz>
2409
2410         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Scale
2411         computed costs by frequency of BB they belong to.
2412         (get_scaled_computation_cost_at): New function.
2413
2414 2016-05-30  Alexander Monakov  <amonakov@ispras.ru>
2415             Marc Glisse  <marc.glisse@inria.fr>
2416
2417         PR tree-optimization/71289
2418         * match.pd (-1 / B < A, A > -1 / B): New transformations.
2419
2420 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2421
2422         * tree-vect-loop.c (vect_transform_loop): Update likely bounds.
2423
2424 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2425
2426         * tree-ssa-loop-ivcanon.c (try_peel_loop): Correctly set wont_exit
2427         for peeled copies; avoid underflow when updating estimates; correctly
2428         scale loop profile.
2429
2430 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2431
2432         * tree-ssa-reassoc.ci (swap_ops_for_binary_stmt): Fix typo from commit
2433         r236875. Corrected oe3 to oe2 as obvious.
2434
2435 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2436
2437         PR middle-end/71269
2438         PR middle-end/71252
2439         * tree-ssa-reassoc.c (insert_stmt_before_use): Use find_insert_point so
2440         that inserted stmt will not dominate stmts that defines its operand.
2441         (rewrite_expr_tree): Add stmt_to_insert before adding the use stmt.
2442         (rewrite_expr_tree_parallel): Likewise.
2443
2444 2016-05-30  Kugan Vivekanandarajah  <kuganv@linaro.org>
2445
2446         PR middle-end/71252
2447         * tree-ssa-reassoc.c (swap_ops_for_binary_stmt): Fix swap such that
2448         all fields including stmt_to_insert are swapped.
2449
2450 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2451
2452         * predict.h (force_edge_cold): Declare.
2453         * predict.c (force_edge_cold): New function.
2454         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Fix profile
2455         updating.
2456         (canonicalize_loop_induction_variables): Fix formating.
2457
2458 2016-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2459
2460         * config/visium/visium.c (visium_split_double_add): Minor tweaks.
2461         (visium_expand_copysign): Use gen_int_mode directly.
2462         (visium_compute_frame_size): Minor tweaks.
2463
2464 2016-05-30  Jan Hubicka  <hubicka@ucw.cz>
2465
2466         * tree-vect-loop.c (vect_analyze_loop_2): Use
2467         likely_max_stmt_executions_int.
2468
2469 2016-05-30  Tom de Vries  <tom@codesourcery.com>
2470
2471         PR tree-optimization/69067
2472         * graphite-isl-ast-to-gimple.c (get_def_bb_for_const): Remove assert.
2473
2474 2016-05-29  Uros Bizjak  <ubizjak@gmail.com>
2475
2476         PR target/71245
2477         * config/i386/sync.md (define_peephole2 atomic_storedi_fpu):
2478         New peepholes to remove unneeded fild/fistp pairs.
2479         (define_peephole2 atomic_loaddi_fpu): Ditto.
2480
2481 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2482
2483         * predict.c (maybe_hot_frequency_p): Avoid division.
2484
2485 2016-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
2486
2487         * doc/install.texi: Use https for shop.fsf.org.
2488
2489 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2490
2491         * tree-ssa-loop-ivopts.c (estimated_stmt_executions_int): Use
2492         likely_max_stmt_executions_int.
2493
2494 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2495
2496         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
2497         likely_max_stmt_executions_int.
2498
2499 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2500
2501         * profile.c (compute_branch_probabilities): Do not report hitrates
2502         here.
2503         (branch_prob): Report hitrates here.
2504         * predict.c (gimple_predict_edge): Do not assert profile status;
2505         fix formatting issues.
2506
2507 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2508
2509         * predict.c (edge_predicted_by_p): New function.
2510         (predict_paths_for_bb): Do not put multiple predictions of the same type
2511         on one edge.
2512
2513 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2514
2515         * tree-ssa-loop-niter.c (number_of_iterations_exit): Revert accidental
2516         commit.
2517
2518 2016-05-28  Alan Modra  <amodra@gmail.com>
2519
2520         * dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
2521
2522 2016-05-28  Alan Modra  <amodra@gmail.com>
2523
2524         PR rtl-optimization/71275
2525         * ira.c (ira): Free dominance info.
2526
2527 2016-05-27  Gerald Pfeifer  <gerald@pfeifer.com>
2528
2529         * doc/sourcebuild.texi: New address for upstream Go repository.
2530
2531 2016-05-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2532
2533         * config/arm/arm.h (TARGET_ARM_V6M): Remove.
2534         (TARGET_ARM_V7M): Likewise.
2535
2536 2016-05-26  Jeff Law  <law@redhat.com>
2537
2538         * tree-ssa-threadedge.c: Remove include of tree-ssa-threadbackward.h.
2539         (thread_across_edge): Remove calls to find_jump_threads_backwards.
2540         * passes.def: Add jump threading passes before DOM/VRP.
2541         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Change
2542         argument to a basic block from an edge.  Remove tests which are
2543         handled elsewhere.
2544         (pass_data_thread_jumps, class pass_thread_jumps): New.
2545         (pass_thread_jumps::gate, pass_thread_jumps::execute): New.
2546         (make_pass_thread_jumps): Likewise.
2547         * tree-pass.h (make_pass_thread_jumps): Declare.
2548
2549 2016-05-27  Eric Botcazou  <ebotcazou@adacore.com>
2550
2551         * config/visium/visium-protos.h (split_double_move): Rename into...
2552         (visium_split_double_move): ...this.
2553         (visium_split_double_add): Declare.
2554         * config/visium/visium.c (split_double_move): Rename into...
2555         (visium_split_double_move): ...this.
2556         (visium_split_double_add): New function.
2557         (visium_expand_copysign): Renumber operands for consistency.
2558         * config/visium/visium.md (DImode move splitter): Adjust to renaming.
2559         (DFmode move splitter): Likewise.
2560         (*addi3_insn): Split by means of visium_split_double_add.
2561         (*adddi3_insn_flags): Delete.
2562         (*plus_plus_sltu<subst_arith>): New insn.
2563         (*subdi3_insn): Split by means of visium_split_double_add.
2564         (subdi3_insn_flags): Delete.
2565         (*minus_minus_sltu<subst_arith>): New insn.
2566         (*negdi2_insn): Split by means of visium_split_double_add.
2567         (*negdi2_insn_flags): Delete.
2568
2569 2016-05-27  Ulrich Weigand  <uweigand@de.ibm.com>
2570
2571         * configure.ac: Treat a --with-headers option without argument
2572         the same as the default (i.e. consult sys-include directory).
2573         * configure: Regenerate.
2574
2575 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2576
2577         * config/aarch64/aarch64.c (aarch64_fusion_enabled_p): New function.
2578         * config/aarch64/aarch64-protos.h (aarch64_fusion_enabled_p): Declare
2579         prototype.
2580         * config/aarch64/aarch64-simd.md (aarch64_crypto_aes<aesmc_op>v16qi):
2581         Add "=w,0" alternative.  Enable it when AES/AESMC fusion is enabled.
2582
2583 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2584
2585         PR target/63596
2586         * config/aarch64/aarch64.c (aarch64_expand_builtin_va_start): Honor
2587         tree-stdarg analysis results.
2588         (aarch64_setup_incoming_varargs): Likewise.
2589
2590 2016-05-27  Jiong Wang  <jiong.wang@arm.com>
2591
2592         * config/aarch64/aarch64.c (aarch64_build_builtin_va_list): Initialize
2593         va_list_gpr_counter_field and va_list_fpr_counter_field.
2594
2595 2016-05-27  Wilco Dijkstra  <wdijkstr@arm.com>
2596
2597         PR67609
2598         * config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Remove.
2599         * config/aarch64/aarch64.c
2600         (aarch64_cannot_change_mode_class): Remove function.
2601         * config/aarch64/aarch64-protos.h
2602         (aarch64_cannot_change_mode_class): Remove.
2603
2604 2016-05-27  Jan Hubicka  <hubicka@ucw.cz>
2605
2606         * cfgloop.c (record_niter_bound): Record likely upper bounds.
2607         (likely_max_stmt_executions_int, get_likely_max_loop_iterations,
2608         get_likely_max_loop_iterations_int): New.
2609         * cfgloop.h (struct loop): Add nb_iterations_likely_upper_bound,
2610         any_likely_upper_bound.
2611         (get_likely_max_loop_iterations_int, get_likely_max_loop_iterations):
2612         Declare.
2613         * cfgloopmanip.c (copy_loop_info): Copy likely upper bounds.
2614         * loop-unroll.c (unroll_loop_constant_iterations): Update likely
2615         upper bound.
2616         (unroll_loop_constant_iterations): Likewise.
2617         (unroll_loop_runtime_iterations): Likewise.
2618         * lto-streamer-in.c (input_cfg): Stream likely upper bounds.
2619         * lto-streamer-out.c (output_cfg): Likewise.
2620         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update likely upper
2621         bounds.
2622         (canonicalize_loop_induction_variables): Dump likely upper bounds.
2623         * tree-ssa-loop-niter.c (record_estimate): Record likely upper bounds.
2624         (likely_max_loop_iterations): New.
2625         (likely_max_loop_iterations_int): New.
2626         (likely_max_stmt_executions): New.
2627         * tree-ssa-loop-niter.h (likely_max_loop_iterations,
2628         likely_max_loop_iterations_int, likely_max_stmt_executions_int,
2629         likely_max_stmt_executions): Declare.
2630
2631 2016-05-27  Marek Polacek  <polacek@redhat.com>
2632
2633         PR middle-end/71308
2634         * gimple-fold.c (gimple_fold_call): Check that LHS is not null.
2635
2636 2016-05-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2637
2638         * config/s390/s390.md (2x risbg splitters): Use
2639         reg_overlap_mentioned_p instead of rtx_equal_p.
2640
2641 2016-05-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
2642
2643         * combine.c (make_compound_operation): Take known zero bits into
2644         account when checking for possible zero_extend.
2645
2646 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2647
2648         * config/aarch64/aarch64.md (ashl<mode>3, SHORT modes):
2649         Use const_int_operand for operand 2 predicate.  Simplify expand code
2650         as a result.
2651
2652 2016-05-27  Ilya Enkovich  <ilya.enkovich@intel.com>
2653
2654         PR middle-end/71279
2655         * fold-const.c (fold_ternary_loc): Don't fold VEC_COND_EXPR
2656         into comparison.
2657
2658 2016-05-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2659
2660         * config/aarch64/aarch64-modes.def (CC_ZESWP, CC_SESWP): Delete.
2661         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Remove condition
2662         that returns CC_SESWPmode and CC_ZESWPmode.
2663         (aarch64_get_condition_code_1): Remove handling of CC_SESWPmode
2664         and CC_SESWPmode.
2665         (aarch64_rtx_costs): Likewise.
2666
2667 2016-05-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2668
2669         * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): New function
2670         for ISA 3.0 min/max support.
2671         (rs6000_emit_p9_fp_cmove): New function for ISA 3.0 floating point
2672         conditional move support.
2673         (rs6000_emit_cmove): Call rs6000_emit_p9_fp_minmax and
2674         rs6000_emit_p9_fp_cmove if the ISA 3.0 instructions are
2675         available.
2676         * config/rs6000/rs6000.md (SFDF2): New iterator to allow doing
2677         conditional moves where the comparison type is different from move
2678         type.
2679         (fp_minmax): New code iterator for smin/smax.
2680         (minmax): New code attributes for min/max.
2681         (SMINMAX): Likewise.
2682         (smax<mode>3): Combine min, max insns into one insn using the
2683         fp_minmax code iterator.  Add support for ISA 3.0 min/max
2684         instructions that don't need -ffast-math.
2685         (s<minmax><mode>3): Likewise.
2686         (smax<mode>3_vsx): Likewise.
2687         (smin<mode>3): Likewise.
2688         (s<minmax><mode>3_vsx): Likewise.
2689         (smin<mode>3_vsx): Likewise.
2690         (pre-VSX min/max splitters): Likewise.
2691         (s<minmax><mode>3_fpr): Likewise.
2692         (movsfcc): Rewrite floating point conditional moves to combine
2693         SFmode/DFmode into a single insn.
2694         (mov<mode>cc): Likewise.
2695         (movdfcc): Likewise.
2696         (fselsfsf4): Combine FSEL cases into a single insn, using SFDF and
2697         SFDF2 iterators to handle all combinations.
2698         (fseldfsf4): Likewise.
2699         (fsel<SFDF:mode><SFDF2:mode>4): Likewise.
2700         (fseldfdf4): Likewise.
2701         (fselsfdf4): Likewise.
2702         (mov<SFDF:mode><SFDF2:mode>cc_p9): Add support for the ISA 3.0
2703         comparison instructions that set a 0/-1 mask, and use it for
2704         floating point conditional move via XXSEL.
2705         (fpmask<mode>): Likewise.
2706         (xxsel<mode>): Likewise.
2707         * config/rs6000/predicates.md (min_max_operator): Delete, no
2708         longer used.
2709         (fpmask_comparison_operaton): New insn for ISA 3.0 comparison
2710         instructions that generate a 0/-1 mask for use with XXSEL.
2711         * config/rs6000/rs6000.h (TARGET_MINMAX_SF): New helper macros to
2712         say whether floating point min/max is available, either through
2713         FSEL, ISA 2.06 min/max, and ISA 3.0 min/max instrucitons.
2714         (TARGET_MINMAX_DF): Likewise.
2715
2716 2016-05-27  Alan Modra  <amodra@gmail.com>
2717
2718         PR rtl-optimization/71275
2719         * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth
2720         for update_equiv_regs and combine_and_move_insns.
2721
2722 2016-05-26  Uros Bizjak  <ubizjak@gmail.com>
2723
2724         * config/i386/i386.md (*movqi_internal) <attr "isa">: Use
2725         if_then_else or cond RTXes to calculate attribute value.
2726         * config/i386/mmx.md (*vec_extractv2sf_1) <attr "prefix_rep">: Ditto.
2727         <attr "length_immediate>: Ditto.
2728         (*vec_extractv2sf_1) <attr "length_immediate">: Ditto.
2729         * config/i386/sse.md (sse_loadlps) <attr "length_immediate">: Ditto.
2730         (*vec_concatv2sf_sse4_1) <attr "isa">: Ditto.
2731         <attr "type">: Ditto.
2732         <attr "prefix_data16">: Ditto.
2733         <attr "prefix_extra">: Ditto.
2734         <attr "length_immediate">: Ditto.
2735         <attr "prefix">: Ditto.
2736         (vec_set<mode>_0) <attr "isa">: Ditto.
2737         <attr "prefix_extra">: Ditto.
2738         <attr "length_immediate">: Ditto.
2739         <attr "prefix">: Ditto.
2740         (*vec_interleave_highv2df) <attr "prefix_data16">: Ditto.
2741         (*vec_interleave_lowv2df) <attr "prefix_data16">: Ditto.
2742         (sse2_storelpd) <attr "prefix_data16">: Ditto.
2743         (sse2_loadhpd) <attr "prefix_data16">: Ditto.
2744         (sse2_loadlpd) <attr "prefix_data16">: Ditto.
2745         <attr "length_immediate">: Ditto.
2746         <attr "prefix">: Ditto.
2747         (sse2_movsd) <attr "length_immediate">: Ditto.
2748         <attr "prefix">: Ditto.
2749         (vec_concatv2df)  <attr "isa">: Ditto.
2750         <attr "prefix">: Ditto.
2751         (*vec_extractv4si) <attr "prefix_extra">: Ditto.
2752         (*vec_extractv2di_1) <attr "isa">: Ditto.
2753         <attr "type">: Ditto.
2754         <attr "length_immediate">: Ditto.
2755         <attr "prefix_rex">: Ditto.
2756         <attr "prefix_extra">: Ditto.
2757         (*vec_concatv2si_sse4_1) <attr "type">: Ditto.
2758         <attr "prefix_extra">: Ditto.
2759         <attr "length_immediate">: Ditto.
2760         (vec_concatv2di) <attr "isa">: Ditto.
2761         <attr "prefix_extra">: Ditto.
2762         <attr "length_immediate">: Ditto.
2763         <attr "prefix">: Ditto.
2764
2765 2016-05-26  Martin Liska  <mliska@suse.cz>
2766
2767         * tree-ssa-loop-ivopts.c (comp_cost::infinite_cost_p): New
2768         function.
2769         (operator+): Likewise.
2770         (operator-): Likewise.
2771         (comp_cost::operator+=): Likewise.
2772         (comp_cost::operator-=): Likewise.
2773         (comp_cost::operator/=): Likewise.
2774         (comp_cost::operator*=): Likewise.
2775         (operator<): Likewise.
2776         (operator==): Likewise.
2777         (operator<=): Likewise.
2778         (new_cost): Remove.
2779         (infinite_cost_p): Likewise.
2780         (add_costs): Likewise.
2781         (sub_costs): Likewise.
2782         (compare_costs): Likewise.
2783         (set_group_iv_cost): Use the newly introduced functions.
2784         (get_address_cost): Likewise.
2785         (get_shiftadd_cost): Likewise.
2786         (force_expr_to_var_cost): Likewise.
2787         (split_address_cost): Likewise.
2788         (ptr_difference_cost): Likewise.
2789         (difference_cost): Likewise.
2790         (get_computation_cost_at): Likewise.
2791         (determine_group_iv_cost_generic): Likewise.
2792         (determine_group_iv_cost_address): Likewise.
2793         (determine_group_iv_cost_cond): Likewise.
2794         (autoinc_possible_for_pair): Likewise.
2795         (determine_group_iv_costs): Likewise.
2796         (cheaper_cost_pair): Likewise.
2797         (iv_ca_recount_cost): Likewise.
2798         (iv_ca_set_no_cp): Likewise.
2799         (iv_ca_set_cp): Likewise.
2800         (iv_ca_cost): Likewise.
2801         (iv_ca_new): Likewise.
2802         (iv_ca_dump): Likewise.
2803         (iv_ca_narrow): Likewise.
2804         (iv_ca_prune): Likewise.
2805         (iv_ca_replace): Likewise.
2806         (try_add_cand_for): Likewise.
2807         (try_improve_iv_set): Likewise.
2808         (find_optimal_iv_set): Likewise.
2809
2810 2016-05-26  Richard Sandiford  <richard.sandiford@arm.com>
2811
2812         * tree-ssa-loop-ivopts.c (loop_body_includes_call): Don't assume
2813         that internal functions will clobber all caller-saved registers.
2814
2815 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2816
2817         * config/aarch64/aarch64.c (aarch64_case_values_threshold):
2818         Return a better case_values_threshold when optimizing.
2819
2820 2016-05-26  Wilco Dijkstra  <wdijkstr@arm.com>
2821
2822         * config/aarch64/aarch64-simd.md (aarch64_combinez):
2823         Add ? to integer variant.
2824         (aarch64_combinez_be): Likewise.
2825
2826 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
2827
2828         * config/i386/sse.md (*vcvtps2ph_store<mask_name>): Use v constraint
2829         instead of x constraint.
2830         (vcvtps2ph256<mask_name>): Likewise.
2831
2832         * config/i386/sse.md (*ssse3_palignr<mode>_perm): Add avx512bw
2833         alternative.  Formatting fix.
2834
2835         * config/i386/sse.md
2836         (<mask_codefor>avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Rename
2837         to ...
2838         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>): ... this.
2839         (*avx_vperm_broadcast_v4sf): Use v constraint instead of x.  Use
2840         maybe_evex prefix instead of vex.
2841         (*avx_vperm_broadcast_<mode>): Use v constraint instead of x.  Handle
2842         EXT_REX_SSE_REG_P (op0) case in the splitter.
2843
2844 2016-05-25  Jeff Law  <law@redhat.com>
2845
2846         PR tree-optimization/71272
2847         * tree-ssa-threadbackward.c (convert_and_register_jump_thread_path):
2848         Update comments.  Add test for empty path.
2849
2850 2016-05-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
2851
2852         * config/rs6000/altivec.h (vec_cmpne): Add #define for vec_cmpne.
2853         * config/rs6000/rs6000-builtin.def (vec_cmpne): Add vec_cmpne as a
2854         special case builtin.
2855         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
2856         code for ALTIVEC_BUILTIN_VEC_CMPNE.
2857         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
2858         for __builtin_vec_cmpne.
2859
2860 2016-05-25  Eric Botcazou  <ebotcazou@adacore.com>
2861
2862         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Remove
2863         redundant test and bail out if the type of the new operand is not
2864         a GIMPLE register type after stripping a VIEW_CONVERT_EXPR.
2865
2866 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2867
2868         * config/i386/i386.opt (ix86_target_flags_explicit): Remove.
2869         (x_ix86_target_flags_explicit): Remove.
2870         * config/i386/i386.c (ix86_function_specific_save): Do not copy
2871         x_ix86_target_flags_explicit.
2872         (ix86_function_specific_restore): Ditto.
2873
2874 2016-05-25  Uros Bizjak  <ubizjak@gmail.com>
2875             H.J. Lu  <hongjiu.lu@intel.com>
2876
2877         PR target/70738
2878         * common/config/i386/i386-common.c
2879         (OPTION_MASK_ISA_GENERAL_REGS_ONLY_UNSET): New.
2880         (ix86_handle_option) <case OPT_mgeneral_regs_only>: Disable
2881         MPX, MMX, SSE and x87 instructions for -mgeneral-regs-only.
2882         * config/i386/i386.opt (ix86_target_flags): Add new Variable.
2883         (-mgeneral-regs-only): Add new option.
2884         * config/i386/i386.c (ix86_option_override_internal): Don't enable
2885         x87 instructions if only general registers are allowed.
2886         (ix86_target_string): Add ix86_flags argument. Handle additional
2887         flags options through ix86_flags argument.  Update all callers.
2888         * doc/invoke.texi (x86 Options): Document -mgeneral-regs-only.
2889
2890 2016-05-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2891
2892         PR rtl-optimization/66940
2893         * ifcvt.c (noce_get_alt_condition): Check that incrementing or
2894         decrementing desired_val will not overflow before performing these
2895         operations.
2896
2897 2016-05-25  Ilya Verbin  <ilya.verbin@intel.com>
2898
2899         * config/i386/i386-builtin-types.def: Add V16SI_FTYPE_V16SF,
2900         V8DF_FTYPE_V8DF_ROUND, V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND.
2901         * config/i386/i386.c (enum ix86_builtins): Add
2902         IX86_BUILTIN_CVTPS2DQ512_MASK, IX86_BUILTIN_FLOORPS512,
2903         IX86_BUILTIN_FLOORPD512, IX86_BUILTIN_CEILPS512, IX86_BUILTIN_CEILPD512,
2904         IX86_BUILTIN_TRUNCPS512, IX86_BUILTIN_TRUNCPD512,
2905         IX86_BUILTIN_CVTPS2DQ512, IX86_BUILTIN_VEC_PACK_SFIX512,
2906         IX86_BUILTIN_FLOORPS_SFIX512, IX86_BUILTIN_CEILPS_SFIX512,
2907         IX86_BUILTIN_ROUNDPS_AZ_SFIX512.
2908         (builtin_description bdesc_args): Add __builtin_ia32_floorps512,
2909         __builtin_ia32_ceilps512, __builtin_ia32_truncps512,
2910         __builtin_ia32_floorpd512, __builtin_ia32_ceilpd512,
2911         __builtin_ia32_truncpd512, __builtin_ia32_cvtps2dq512,
2912         __builtin_ia32_vec_pack_sfix512, __builtin_ia32_roundps_az_sfix512,
2913         __builtin_ia32_floorps_sfix512, __builtin_ia32_ceilps_sfix512.
2914         Change IX86_BUILTIN_CVTPS2DQ512 to IX86_BUILTIN_CVTPS2DQ512_MASK for
2915         __builtin_ia32_cvtps2dq512_mask.
2916         (ix86_expand_args_builtin): Handle V8DF_FTYPE_V8DF_ROUND,
2917         V16SF_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF_ROUND, V16SI_FTYPE_V16SF.
2918         (ix86_builtin_vectorized_function): Handle builtins mentioned above.
2919         * config/i386/sse.md
2920         (<mask_codefor>avx512f_fix_notruncv16sfv16si<mask_name><round_name>):
2921         Rename to ...
2922         (avx512f_fix_notruncv16sfv16si<mask_name><round_name>): ... this.
2923         (<mask_codefor>avx512f_cvtpd2dq512<mask_name><round_name>): Rename
2924         to ...
2925         (avx512f_cvtpd2dq512<mask_name><round_name>): ... this.
2926         (avx512f_vec_pack_sfix_v8df): New define_expand.
2927         (avx512f_roundpd512): Rename to ...
2928         (avx512f_round<castmode>512): ... this.  Change iterator.
2929         (avx512f_roundps512_sfix): New define_expand.
2930         (round<mode>2_sfix): Change iterator.
2931
2932 2016-05-25  Nick Clifton  <nickc@redhat.com>
2933
2934         * config/msp430/msp430.c (msp430_attr): Produce an error if a
2935         static interrupt handler is detected.
2936         * config/msp430/msp430.h (LIB_SPEC): Do not use msp430.ld as the
2937         default linker script.
2938         * config/msp430/msp430.md (movpsihi2_lo): New pattern for loading
2939         the low part of a symbolic pointer.
2940
2941 2016-05-25  Richard Biener  <rguenther@suse.de>
2942
2943         PR tree-optimization/71261
2944         * tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
2945         interesting stmt instead of immediate uses when looking
2946         for the use operand to replace.
2947
2948 2016-05-25  Martin Liska  <mliska@suse.cz>
2949
2950         * ipa-inline.c (edge_badness): Use 'w/' instead of 'w'.
2951
2952 2016-05-25  Richard Biener  <rguenther@suse.de>
2953
2954         PR tree-optimization/71264
2955         * tree-vect-stmts.c (vect_init_vector): Properly deal with
2956         vector type val.
2957
2958 2016-05-25  Martin Liska  <mliska@suse.cz>
2959
2960         PR tree-optimization/71239
2961         * tree.c (array_at_struct_end_p): Do not call operand_equal_p
2962         if DECL_SIZE is NULL.
2963
2964 2016-05-25  Richard Biener  <rguenther@suse.de>
2965
2966         * timevar.def (TV_TREE_LOOP_IFCVT): Add.
2967         * tree-if-conv.c (pass_data_if_conversion): Use it.
2968
2969 2016-05-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2970
2971         * cgraph.c (cgraph_node::get_availability): Fix typo in comment.
2972         * symtab.c (symtab_node::binds_to_current_def_p): Likewise.
2973         * varpool.c (varpool_node::get_availability): Likewise.
2974
2975 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2976
2977         * config/rs6000/altivec.md (VNEG iterator): New iterator for
2978         VNEGW/VNEGD instructions.
2979         (p9_neg<mode>2): New insns for ISA 3.0 VNEGW/VNEGD.
2980         (neg<mode>2): Add expander for V2DImode added in ISA 2.07, and
2981         support for ISA 3.0 VNEGW/VNEGD instructions.
2982
2983 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
2984
2985         * gimplify.c (omp_notice_variable): Use zero-length arrays for data
2986         pointers inside OACC_DATA regions.
2987         (gimplify_scan_omp_clauses): Prune firstprivate clause associated
2988         with OACC_DATA, OACC_ENTER_DATA and OACC_EXIT data regions.
2989         (gimplify_adjust_omp_clauses): Fix typo in comment.
2990
2991 2016-05-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2992
2993         * config/rs6000/altivec.md (VParity): New mode iterator for vector
2994         parity built-in functions.
2995         (p9v_ctz<mode>2): Add support for ISA 3.0 vector count trailing
2996         zeros.
2997         (p9v_parity<mode>2): Likewise.
2998         * config/rs6000/vector.md (VEC_IP): New mode iterator for vector
2999         parity.
3000         (ctz<mode>2): ISA 3.0 expander for vector count trailing zeros.
3001         (parity<mode>2): ISA 3.0 expander for vector parity.
3002         * config/rs6000/rs6000-builtin.def (BU_P9_MISC_1): New macros for
3003         power9 built-ins.
3004         (BU_P9_64BIT_MISC_0): Likewise.
3005         (BU_P9_MISC_0): Likewise.
3006         (BU_P9V_AV_1): Likewise.
3007         (BU_P9V_AV_2): Likewise.
3008         (BU_P9V_AV_3): Likewise.
3009         (BU_P9V_AV_P): Likewise.
3010         (BU_P9V_VSX_1): Likewise.
3011         (BU_P9V_OVERLOAD_1): Likewise.
3012         (BU_P9V_OVERLOAD_2): Likewise.
3013         (BU_P9V_OVERLOAD_3): Likewise.
3014         (VCTZB): Add vector count trailing zeros support.
3015         (VCTZH): Likewise.
3016         (VCTZW): Likewise.
3017         (VCTZD): Likewise.
3018         (VPRTYBD): Add vector parity support.
3019         (VPRTYBQ): Likewise.
3020         (VPRTYBW): Likewise.
3021         (VCTZ): Add overloaded vector count trailing zeros support.
3022         (VPRTYB): Add overloaded vector parity support.
3023         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3024         overloaded vector count trailing zeros and parity instructions.
3025         * config/rs6000/rs6000.md (wd mode attribute): Add V1TI and TI for
3026         vector parity support.
3027         * config/rs6000/altivec.h (vec_vctz): Add ISA 3.0 vector count
3028         trailing zeros support.
3029         (vec_cntlz): Likewise.
3030         (vec_vctzb): Likewise.
3031         (vec_vctzd): Likewise.
3032         (vec_vctzh): Likewise.
3033         (vec_vctzw): Likewise.
3034         (vec_vprtyb): Add ISA 3.0 vector parity support.
3035         (vec_vprtybd): Likewise.
3036         (vec_vprtybw): Likewise.
3037         (vec_vprtybq): Likewise.
3038         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
3039         the ISA 3.0 vector count trailing zeros and vector parity built-in
3040         functions.
3041
3042 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3043
3044         * tree-ssa-reassoc.c (sort_by_operand_rank): Skip checking gimple_bb
3045         when there is stmt_to_insert.
3046
3047 2016-05-24  Martin Sebor  <msebor@redhat.com>
3048
3049         PR c++/71147
3050         * tree.h (complete_or_array_type_p): New inline function.
3051
3052 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3053
3054         * config/i386/i386.h (TARGET_AVOID_4BYTE_PREFIXES): Define.
3055         * config/i386/constraints.md (Yr): Test TARGET_AVOID_4BYTE_PREFIXES
3056         rather than X86_TUNE_AVOID_4BYTE_PREFIXES.
3057
3058         * config/i386/sse.md (<sse4_1>_round<ssemodesuffix><avxsizesuffix>):
3059         Limit 1st alternative to noavx isa, split 2nd alternative into one
3060         noavx and one avx alternative, use *x and Bm in the former and
3061         x and m in the latter.
3062
3063         * config/i386/sse.md (vec_set<mode>_0): Use sse4_noavx isa instead
3064         of sse4 for the first alternative, drop %v from the template
3065         and d operand modifier.  Split second alternative into one sse4_noavx
3066         and one avx alternative, use *x instead of *v in the former and v
3067         instead of *v in the latter.
3068         (*sse4_1_extractps): Use noavx isa instead of * for the first
3069         alternative, drop %v from the template.  Split second alternative into
3070         one noavx and one avx alternative, use *x instead of *v in the
3071         former and v instead of *v in the latter.
3072         (<vi8_sse4_1_avx2_avx512>_movntdqa): Guard the first 2 alternatives
3073         with noavx and the last one with avx.
3074         (sse4_1_phminposuw): Guard first alternative with noavx isa,
3075         split the second one into one noavx and one avx alternative,
3076         use *x and Bm in the former and x and m in the latter one.
3077         (<sse4_1>_ptest<mode>): Use noavx instead of * for the first two
3078         alternatives.
3079
3080         * config/i386/sse.md (sse4_1_<code>v8qiv8hi2<mask_name>): Limit
3081         first two alternatives to noavx, use *x instead of *v in the second
3082         one, add avx alternative without *.
3083         (sse4_1_<code>v4qiv4si2<mask_name>, sse4_1_<code>v4hiv4si2<mask_name>,
3084         sse4_1_<code>v2qiv2di2<mask_name>, sse4_1_<code>v2hiv2di2<mask_name>,
3085         sse4_1_<code>v2siv2di2<mask_name>): Likewise.
3086
3087 2016-05-24  Jeff Law  <law@redhat.com>
3088
3089         * tree-ssa-threadbackwards.c (convert_and_register_jump_thread_path):
3090         New function, extracted from...
3091         (fsm_find_control_statement_thread_paths): Here.  Use the new function.
3092         Allow simple copies and constant initializations in the SSA chain.
3093
3094 2016-05-24  Marek Polacek  <polacek@redhat.com>
3095
3096         PR c/71249
3097         * gimplify.c (gimplify_switch_expr): Look into the innermost lexical
3098         scope.
3099
3100 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
3101
3102         PR c++/71257
3103         * tree-vect-stmts.c (vectorizable_simd_clone_call): Handle
3104         SIMD_CLONE_ARG_TYPE_LINEAR_REF_CONSTANT_STEP like
3105         SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP.  Add
3106         SIMD_CLONE_ARG_TYPE_LINEAR_VAL_CONSTANT_STEP and
3107         SIMD_CLONE_ARG_TYPE_LINEAR_UVAL_CONSTANT_STEP cases explicitly.
3108
3109 2016-05-24  Richard Biener  <rguenther@suse.de>
3110
3111         PR tree-optimization/71240
3112         * tree-ssa-math-opts.c (init_symbolic_number): Verify the source
3113         has integral type.
3114
3115 2016-05-24  Richard Biener  <rguenther@suse.de>
3116
3117         PR tree-optimization/71230
3118         * tree-ssa-reassoc.c (zero_one_operation): Handle negate special ops.
3119
3120 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3121
3122         * tree-vectorizer.h (vectorizable_comparison): Delete.
3123         * tree-vect-loop.c (vectorizable_reduction): Remove redundant
3124         PURE_SLP_STMT check.
3125         * tree-vect-stmts.c (vectorizable_call): Likewise.
3126         (vectorizable_simd_clone_call): Likewise.
3127         (vectorizable_conversion): Likewise.
3128         (vectorizable_assignment): Likewise.
3129         (vectorizable_shift): Likewise.
3130         (vectorizable_operation): Likewise.
3131         (vectorizable_load): Likewise.
3132         (vectorizable_condition): Likewise.
3133         (vectorizable_store): Likewise.  Assert that we don't have
3134         hybrid SLP.
3135         (vectorizable_comparison): Make static.  Remove redundant
3136         PURE_SLP_STMT check.
3137         (vect_transform_stmt): Assert that we always have an slp_node
3138         if PURE_SLP_STMT.
3139
3140 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3141
3142         * config/arm/neon.md (ashldi3_neon):  Replace comparison of INTVAL of
3143         operands[2] against 1 with comparison against CONST1_RTX.
3144         (<shift>di3_neon): Likewise.
3145         * config/arm/predicates.md (const0_operand): Replace with comparison
3146         against CONST0_RTX.
3147
3148 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3149
3150         * config/arm/arm.md (ashldi3): Replace comparison of INTVAL of
3151         operands[2] against 1 with comparison against CONST1_RTX.
3152         (ashrdi3): Likewise.
3153         (lshrdi3): Likewise.
3154         (ashlsi3): Replace cast of INTVAL to unsigned HOST_WIDE_INT with
3155         UINTVAL.
3156         (ashrsi3): Likewise.
3157         (lshrsi3): Likewise.
3158         (rotrsi3): Likewise.
3159         (define_split above *compareqi_eq0): Likewise.
3160         (define_split above "prologue"): Likewise.
3161         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
3162         * config/arm/predicates.md (shift_operator): Likewise.
3163         (shift_nomul_operator): Likewise.
3164         (sat_shift_operator): Likewise.
3165         (thumb1_cmp_operand): Likewise.
3166         (const_neon_scalar_shift_amount_operand): Replace manual range
3167         check with IN_RANGE.
3168         * config/arm/thumb1.md (define_peephole2 above *thumb_subdi3):
3169         Replace cast of INTVAL to unsigned HOST_WIDE_INT with UINTVAL.
3170
3171 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3172
3173         * config/arm/arm.md (andsi3): Replace cast of 1 to HOST_WIDE_INT
3174         with HOST_WIDE_INT_1.
3175         (insv): Likewise.
3176         * config/arm/arm.c (optimal_immediate_sequence): Replace cast of
3177         1 to unsigned HOST_WIDE_INT with HOST_WIDE_INT_1U.
3178         (arm_canonicalize_comparison): Likewise.
3179         (thumb1_rtx_costs): Replace cast of 1 to HOST_WIDE_INT with
3180         HOST_WIDE_INT_1.
3181         (thumb1_size_rtx_costs): Likewise.
3182         (vfp_const_double_index): Replace cast of 1 to unsigned
3183         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3184         (get_jump_table_size): Replace cast of 1 to HOST_WIDE_INT with
3185         HOST_WIDE_INT_1.
3186         (arm_asan_shadow_offset): Replace cast of 1 to unsigned
3187         HOST_WIDE_INT with HOST_WIDE_INT_1U.
3188         * config/arm/neon.md (vec_set<mode>): Replace cast of 1 to
3189         HOST_WIDE_INT with HOST_WIDE_INT_1.
3190
3191 2016-05-24  Marek Polacek  <polacek@redhat.com>
3192
3193         * tree-cfg.h (should_remove_lhs_p): New predicate.
3194         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Use it.
3195         * gimplify.c (gimplify_modify_expr): Likewise.
3196         * tree-cfg.c (verify_gimple_call): Likewise.
3197         * tree-cfgcleanup.c (fixup_noreturn_call): Likewise.
3198         * gimple-fold.c: Include "tree-cfg.h".
3199         (gimple_fold_call): Use should_remove_lhs_p.
3200
3201 2016-05-24  Richard Biener  <rguenther@suse.de>
3202
3203         PR tree-optimization/71253
3204         * cfganal.h (control_dependences): Make robust against edge
3205         and BB removal.
3206         (control_dependences::control_dependences): Remove edge_list argument.
3207         (control_dependences::get_edge): Remove.
3208         (control_dependences::get_edge_src): Add.
3209         (control_dependences::get_edge_dest): Likewise.
3210         (control_dependences::m_el): Make a vector of edge src/dest index.
3211         * cfganal.c (control_dependences::find_control_dependence): Adjust.
3212         (control_dependences::control_dependences): Likewise.
3213         (control_dependences::~control_dependence): Likewise.
3214         (control_dependences::get_edge): Remove.
3215         (control_dependences::get_edge_src): Add.
3216         (control_dependences::get_edge_dest): Likewise.
3217         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Use
3218         get_edge_src.
3219         (perform_tree_ssa_dce): Adjust.
3220         * tree-loop-distribution.c (create_edge_for_control_dependence): Use
3221         get_edge_src.
3222         (pass_loop_distribution::execute): Adjust.  Do loop destroying
3223         conditional on changed.
3224
3225 2016-05-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3226
3227         PR target/69857
3228         * config/arm/arm.c (gen_operands_ldrd_strd): Remove bogus early
3229         return.  Reindent transformation comment and mention the ARM state
3230         behavior.
3231
3232 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3233
3234         PR middle-end/71252
3235         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Add stmt_to_insert
3236         after build_and_add_sum creates new use stmt.
3237
3238 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3239
3240         * tree-vect-stmts.c (vectorizable_load): Reorder checks so that
3241         load_lanes/grouped_load classification comes first.  Don't check
3242         whether the vectorization factor is a multiple of the group size
3243         for load_lanes.
3244
3245 2016-05-24  Richard Sandiford  <richard.sandiford@arm.com>
3246
3247         * tree-vect-data-refs.c (vect_analyze_group_access_1): Set
3248         GROUP_GAP for single-element interleaving.
3249         * tree-vect-stmts.c (vectorizable_load): Remove force_peeling
3250         variable.
3251
3252 2016-05-24  Richard Biener  <rguenther@suse.de>
3253
3254         PR middle-end/70434
3255         PR c/69504
3256         * tree-ssa.c (non_rewritable_mem_ref_base): Make sure to mark
3257         bases which are accessed with non-invariant indices.
3258         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Re-write
3259         constant index ARRAY_REFs of vectors into BIT_FIELD_REFs.
3260
3261 2016-05-24  Kugan Vivekanandarajah  <kuganv@linaro.org>
3262
3263         PR middle-end/71170
3264         * tree-ssa-reassoc.c (struct operand_entry): Add field stmt_to_insert.
3265         (add_to_ops_vec): Add stmt_to_insert.
3266         (add_repeat_to_ops_vec): Init stmt_to_insert.
3267         (insert_stmt_before_use): New.
3268         (transform_add_to_multiply): Remove mult_stmt insertion and add it
3269         to ops vector.
3270         (get_ops): Init stmt_to_insert.
3271         (maybe_optimize_range_tests): Likewise.
3272         (rewrite_expr_tree): Insert stmt_to_insert before use stmt.
3273         (rewrite_expr_tree_parallel): Likewise.
3274         (reassociate_bb): Likewise.
3275
3276 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3277
3278         PR target/71201
3279         * config/rs6000/altivec.md (altivec_vperm_<mode>_internal): Drop
3280         ISA 3.0 xxperm fusion alternative.
3281         (altivec_vperm_v8hiv16qi): Likewise.
3282         (altivec_vperm_<mode>_uns_internal): Likewise.
3283         (vperm_v8hiv4si): Likewise.
3284         (vperm_v16qiv8hi): Likewise.
3285
3286 2016-05-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3287             Kelvin Nilsen  <kelvin@gcc.gnu.org>
3288
3289         * config/rs6000/rs6000.c (rs6000_expand_vector_set): Generate
3290         vpermr/xxpermr on ISA 3.0.
3291         (altivec_expand_vec_perm_le): Likewise.
3292         * config/rs6000/altivec.md (UNSPEC_VPERMR): New unspec.
3293         (altivec_vpermr_<mode>_internal): Add VPERMR/XXPERMR support for
3294         ISA 3.0.
3295
3296 2016-05-23  Uros Bizjak  <ubizjak@gmail.com>
3297
3298         * config/i386/i386.h (IS_STACK_MODE): Enable for
3299         TARGET_MIX_SSE_I387.  Rewrite using X87_FLOAT_MODE_P and
3300         SSE_FLOAT_MODE_P macros.
3301         * config/i386/i386.c (ix86_preferred_reload_class): Use
3302         IS_STACK_MODE, INTEGER_CLASS_P, FLOAT_CLASS_P and Q_CLASS_P macros.
3303         Cleanup regclass processing for CONST_DOUBLE_P.
3304         (ix86_preferred_output_reload_class): Use IS_STACK_MODE macro.
3305         (ix86_rtx_costs): Remove redundant TARGET_80387 check
3306         with IS_STACK_MODE macro.
3307         * config/i386/i386.md: Replace SSE_FLOAT_MODE_P (DFmode)
3308         with TARGET_SSE2.
3309         (*movdf_internal): Use IS_STACK_MODE macro.
3310         (*movsf_internal): Ditto.
3311
3312 2016-05-23  Marc Glisse  <marc.glisse@inria.fr>
3313
3314         * match.pd (a * (1 << b), ~x & ~y, ~X ^ ~Y, (X ^ Y) ^ Y, ~ (-A),
3315         ~ (A - 1), ~(~X >> Y), ~(~X >>r Y)): Relax constraints.
3316
3317 2016-05-23  Jeff Law  <law@redhat.com>
3318
3319         * tree-ssa-threadbackward.c (profitable_jump_thread_path): New function
3320         extracted from ...
3321         (fsm_find_control_statement_thread_paths): Call it.
3322
3323 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3324
3325         PR ipa/71234
3326         * ipa-cp.c (ipa_get_indirect_edge_target_1): Only check value of
3327         from_global_constant if t is not NULL.
3328
3329 2016-05-23  Marek Polacek  <polacek@redhat.com>
3330
3331         PR c/49859
3332         * common.opt (Wswitch-unreachable): New option.
3333         * doc/invoke.texi: Document -Wswitch-unreachable.
3334         * gimplify.c (gimplify_switch_expr): Implement the -Wswitch-unreachable
3335         warning.
3336
3337 2016-05-23  Bin Cheng  <bin.cheng@arm.com>
3338
3339         * tree-ssa-address.c (copy_ref_info): Check NULL TMR_STEP when
3340         TMR_INDEX is non-NULL.
3341
3342 2016-05-23  Richard Biener  <rguenther@suse.de>
3343
3344         PR tree-optimization/71230
3345         * tree-ssa-reassoc.c (acceptable_pow_call): Move initial condition...
3346         (try_special_add_to_ops): ... here.  Always test for single-use.
3347
3348 2016-05-23  Martin Jambor  <mjambor@suse.cz>
3349
3350         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Create an empty
3351         default block if a PHI node in the original one would be resized.
3352
3353 2016-05-23  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3354
3355         PR tree-optimization/58135
3356         * tree-vect-slp.c: When group size is not multiple
3357         of vector size, allow splitting of store group at
3358         vector boundary.
3359
3360 2016-05-23  Christophe Lyon  <christophe.lyon@linaro.org>
3361
3362         * config/arm/arm_neon.h (vtst_p16, vtstq_p16): New.
3363
3364 2016-05-22  Jakub Jelinek  <jakub@redhat.com>
3365
3366         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3367         vec_set_hi_<mode><mask_name>): Add && <mask_avx512dq_condition>
3368         condition.  For !TARGET_AVX512DQ, emit 32x4 instruction instead
3369         of 64x2.
3370
3371         * config/i386/sse.md (vec_set_lo_v16hi, vec_set_hi_v16hi,
3372         vec_set_lo_v32qi, vec_set_hi_v32qi): Add alternative with
3373         v constraint instead of x and vinserti32x4 insn.
3374
3375         * config/i386/sse.md (i128vldq): New mode iterator.
3376         (avx2_vbroadcasti128_<mode>, avx_vbroadcastf128_<mode>): Add
3377         avx512dq and avx512vl alternatives.
3378
3379         * config/i386/sse.md (avx2_vec_dupv4df): Use v instead of x
3380         constraint, use maybe_evex prefix instead of vex.
3381         (vec_dupv4sf): Use v constraint instead of x for output
3382         operand except for noavx alternative, use Yv constraint
3383         instead of x for input.  Use maybe_evex prefix instead of vex.
3384         (*vec_dupv4si): Likewise.
3385         (*vec_dupv2di): Likewise.
3386
3387 2016-05-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
3388
3389         PR middle-end/40921
3390         * tree-ssa-reassoc.c (try_special_add_to_ops): New.
3391         (linearize_expr_tree): Call try_special_add_to_ops.
3392         (reassociate_bb): Convert MULT_EXPR by (-1) to NEGATE_EXPR.
3393
3394 2016-05-21  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3395
3396         * config/avr/avr.c (avr_expand_prologue): Add INCOMING_FRAME_SP_OFFSET
3397         to computed stack_usage.
3398
3399 2016-05-21  Pitchumani Sivanupandi  <pitchumani.s@atmel.com>
3400
3401         PR target/71103
3402         * config/avr/avr.md (define_expand "mov<mode>"): If the source
3403         operand is subreg (symbol_ref) then move the symbol ref to register.
3404
3405 2016-05-21  Jan Hubicka  <hubicka@ucw.cz>
3406
3407         * tree.c (array_at_struct_end_p): Look through MEM_REF.
3408
3409 2016-05-21  Kugan Vivekanandarajah  <kuganv@linaro.org>
3410
3411         PR middle-end/71179
3412         * tree-ssa-reassoc.c (transform_add_to_multiply): Disallow float
3413         VECTOR type.
3414
3415 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3416
3417         * tree-vrp.c (compare_values_warnv): Simplify handling of symbolic
3418         ranges by calling get_single_symbol and tidy up.  Look more closely
3419         into NAME + CST1 vs CST2 comparisons if type overflow is undefined.
3420
3421 2016-05-20  Jeff Law  <law@redhat.com>
3422
3423         * bitmap.c (bitmap_find_bit): Remove useless test.
3424
3425 2016-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
3426
3427         * function.c (thread_prologue_and_epilogue_insns): Commit the
3428         insertion of the epilogue.
3429
3430 2016-05-20  Martin Jambor  <mjambor@suse.cz>
3431
3432         PR tree-optimization/70884
3433         * tree-sra.c (initialize_constant_pool_replacements): Do not check
3434         should_scalarize_away_bitmap and cannot_scalarize_away_bitmap bits.
3435         (sort_and_splice_var_accesses): Do not consider multiple scalar reads
3436         of constant pool data as a reason for scalarization.
3437
3438 2016-05-20  Eric Botcazou  <ebotcazou@adacore.com>
3439
3440         * config/arm/arm.c (arm_expand_prologue): Set the stack usage to 0
3441         for naked functions.
3442         (thumb1_expand_prologue): Likewise.
3443
3444 2016-05-20  Nathan Sidwell  <nathan@acm.org>
3445
3446         * config/nvptx/nptx.c (nvptx_option_override): Only set
3447         flag_toplevel_reorder, if not explicitly specified.  Set
3448         flag_no_common, unless explicitly specified.
3449
3450 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3451
3452         * calls.c (can_implement_as_sibling_call_p): Mark param
3453         reg_parm_stack_space with ATTRIBUTE_UNUSED.
3454
3455 2016-05-20  Uros Bizjak  <ubizjak@gmail.com>
3456
3457         * config/i386/i386.c (ix86_rtx_costs) <case CONST_DOUBLE>:
3458         Use IS_STACK_MODE when calculating cost of standard 80387 constants.
3459         Fallthru to CONST_VECTOR case to calculate cost of standard SSE
3460         constants.
3461         <case CONST_WIDE_INT>: Calculate cost of (MEM (SYMBOL_REF)).
3462         (ix86_legitimate_constant_p): Use CASE_CONST_SCALAR_INT
3463         and CASE_CONST_ANY.
3464
3465 2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
3466
3467         * config/nvptx/nvptx.md (sincossf3): New pattern.
3468
3469 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3470
3471         * calls.c (maybe_complain_about_tail_call): New function.
3472         (initialize_argument_information): Call
3473         maybe_complain_about_tail_call when clearing *may_tailcall.
3474         (can_implement_as_sibling_call_p): Call
3475         maybe_complain_about_tail_call when returning false.
3476         (expand_call): Read CALL_EXPR_MUST_TAIL_CALL and, if set,
3477         ensure try_tail_call is set.  Call maybe_complain_about_tail_call
3478         if tail-call optimization fails.
3479         * cfgexpand.c (expand_call_stmt): Initialize
3480         CALL_EXPR_MUST_TAIL_CALL from gimple_call_must_tail_p.
3481         * gimple-pretty-print.c (dump_gimple_call): Dump
3482         gimple_call_must_tail_p.
3483         * gimple.c (gimple_build_call_from_tree): Call
3484         gimple_call_set_must_tail with the value of
3485         CALL_EXPR_MUST_TAIL_CALL.
3486         * gimple.h (enum gf_mask): Add GF_CALL_MUST_TAIL_CALL.
3487         (gimple_call_set_must_tail): New function.
3488         (gimple_call_must_tail_p): New function.
3489         * print-tree.c (print_node): Update printing of TREE_STATIC
3490         to reflect its use for CALL_EXPR_MUST_TAIL_CALL.
3491         * tree-core.h (struct tree_base): Add MUST_TAIL_CALL to the
3492         trailing comment listing applicable flags.
3493         * tree.h (CALL_EXPR_MUST_TAIL_CALL): New macro.
3494
3495 2016-05-20  David Malcolm  <dmalcolm@redhat.com>
3496
3497         * calls.c (expand_call): Move "Rest of purposes for tail call
3498         optimizations to fail" to...
3499         (can_implement_as_sibling_call_p): ...this new function, and
3500         split into multiple "if" statements.
3501
3502 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3503
3504         * cfgloop.h (expected_loop_iterations_unbounded,
3505         expected_loop_iterations): Unconstify.
3506         * cfgloopanal.c (expected_loop_iterations_unbounded): Sanity check the
3507         profile with known upper bound; return 3 when profile is absent.
3508         (expected_loop_iterations): Update.
3509
3510 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3511
3512         * loop-doloop.c (doloop_optimize): Use get_estimated_loop_iterations_int
3513         and get_max_loop_iterations_int.
3514
3515 2016-05-20  Jan Hubicka  <hubicka@ucw.cz>
3516
3517         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can not produce
3518         realistic upper bounds here.
3519
3520 2016-05-20  Jakub Jelinek  <jakub@redhat.com>
3521
3522         PR c++/71210
3523         * gimple-fold.c (gimple_fold_call): Do not remove lhs of noreturn
3524         calls if the LHS is variable length or has addressable type.
3525         If targets[0]->decl is a noreturn call with void return type and
3526         zero arguments, adjust fntype and remove lhs in that case.
3527
3528 2016-05-20  Marc Glisse  <marc.glisse@inria.fr>
3529
3530         PR tree-optimization/71079
3531         PR tree-optimization/71206
3532         * match.pd ((X ^ Y) ^ (X ^ Z)): Convert the arguments.
3533
3534 2016-05-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3535
3536         * tree-vectorizer.c (get_vec_alignment_for_decl): New static function.
3537         (get_vec_alignment_for_array_decl): Likewise.
3538         (get_vec_alignment_for_record_decl): Likewise.
3539         (increase_alignment::execute): Move code to find alignment to
3540         get_vec_alignment_for_array_decl and call get_vec_alignment_for_decl.
3541         (type_align_map): New hash_map.
3542
3543 2016-05-20  Richard Guenther  <rguenther@suse.de>
3544
3545         PR tree-optimization/29756
3546         * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code.
3547         * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR.
3548         * fold-const.c (operand_equal_p): Likewise.
3549         (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR.
3550         * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR.
3551         * tree-inline.c (estimate_operator_cost): Likewise.
3552         * tree-pretty-print.c (dump_generic_node): Likewise.
3553         * tree-ssa-operands.c (get_expr_operands): Likewise.
3554         * cfgexpand.c (expand_debug_expr): Likewise.
3555         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
3556         * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR.
3557         * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR.
3558         * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite
3559         vector inserts using BIT_FIELD_REF or MEM_REF on the lhs.
3560         (execute_update_addresses_taken): Do it.
3561
3562 2016-05-20  Richard Biener  <rguenther@suse.de>
3563
3564         PR tree-optimization/71185
3565         * tree-ssa-loop-prefetch.c (gather_memory_references): Drop
3566         register operations.
3567
3568 2016-05-20  Richard Biener  <rguenther@suse.de>
3569
3570         * tree-if-conv.c (add_bb_predicate_gimplified_stmts): Use
3571         gimple_seq_add_seq_without_update.
3572         (release_bb_predicate): Assert we have no operands to free.
3573         (if_convertible_loop_p_1): Calculate post dominators later.
3574         Do not free BB predicates here.
3575         (combine_blocks): Do not recompute BB predicates.
3576         (version_loop_for_if_conversion): Save BB predicates around
3577         loop versioning.
3578
3579 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3580
3581         * function.c (make_epilogue_seq): Remove epilogue_end parameter.
3582         (thread_prologue_and_epilogue_insns): Remove bb_flags.  Restructure
3583         code.  Ignore sibcalls on EDGE_IGNORE edges.
3584         * shrink-wrap.c (handle_simple_exit): New function.  Set EDGE_IGNORE
3585         on edges for sibcalls that run without prologue.  The rest of the
3586         function is combined from...
3587         (fix_fake_fallthrough_edge): ... this, and ...
3588         (try_shrink_wrapping): ... a part of this.  Remove the bb_with
3589         function argument, make it a local variable.
3590
3591 2016-05-19  Sandra Loosemore  <sandra@codesourcery.com>
3592
3593         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Allow
3594         --disable-sjlj-exceptions for TARGET_BI_ARCH to select DWARF-2 EH
3595         for 32-bit mode and SEH for 64-bit.
3596         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): Handle
3597         TARGET_64BIT_DEFAULT.
3598
3599 2016-05-19  Ryan Burn  <contact@rnburn.com>
3600
3601         * Makefile.in (GTFILES): Add cilk.h and cilk-common.c.
3602         * gengtype.c (open_base_files): Add cilk.h to ifiles.
3603
3604 2016-05-19  Uros Bizjak  <ubizjak@gmail.com>
3605
3606         * sched-deps.c (sched_analyze_2) <case TRAP_IF>: Also
3607         force pending loads from memory.
3608
3609 2016-05-19  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3610
3611         * config/rs6000/altivec.md (UNSPEC_DARN): New unspec constant.
3612         (UNSPEC_DARN_32): New unspec constant.
3613         (UNSPEC_DARN_RAW): New unspec constant.
3614         (darn_32): New instruction.
3615         (darn_raw): New instruction.
3616         (darn): New instruction.
3617         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_0): Add
3618         support and documentation for this macro.
3619         (BU_P9_MISC_1): New macro definition.
3620         (BU_P9_64BIT_MISC_0): New macro definition.
3621         (BU_P9_MISC_0): New macro definition.
3622         (darn_32): New builtin definition.
3623         (darn_raw): New builtin definition.
3624         (darn): New builtin definition.
3625         * config/rs6000/rs6000.c: Add #define RS6000_BUILTIN_0 and #undef
3626         RS6000_BUILTIN_0 directives to surround each occurrence of
3627         #include "rs6000-builtin.def".
3628         (rs6000_builtin_mask_calculate): Add in the RS6000_BTM_MODULO and
3629         RS6000_BTM_64BIT flags to the returned mask, depending on
3630         configuration.
3631         (def_builtin): Correct an error in the assignments made to the
3632         debugging variable attr_string.
3633         (rs6000_expand_builtin): Add support for no-operand built-in
3634         functions.
3635         (builtin_function_type): Remove fatal_error assertion that is no
3636         longer valid.
3637         (rs6000_common_init_builtins): Add support for no-operand built-in
3638         functions.
3639         * config/rs6000/rs6000.h (RS6000_BTM_MODULO): New macro
3640         definition.
3641         (RS6000_BTM_PURE): Enhance comment to clarify intent of this flag
3642         definition.
3643         (RS6000_BTM_64BIT): New macro definition.
3644         * doc/extend.texi: Document __builtin_darn (void),
3645         __builtin_darn_raw (void), and __builtin_darn_32 (void) built-in
3646         functions.
3647
3648 2016-05-19  Jan Hubicka  <hubicka@ucw.cz>
3649
3650         * tree-vect-loop.c (vect_analyze_loop_2): Use also
3651         max_loop_iterations_int.
3652
3653 2016-05-19  Marek Polacek  <polacek@redhat.com>
3654
3655         PR tree-optimization/71031
3656         * tree-vrp.c (extract_range_from_binary_expr_1): Turn assert into a
3657         condition and adjust the code a bit.
3658
3659 2016-05-19  Martin Liska  <mliska@suse.cz>
3660
3661         * tree-vect-stmts.c (vectorizable_simd_clone_call): Utilize
3662         auto_vec instead of vec.
3663
3664 2016-05-19  Martin Liska  <mliska@suse.cz>
3665
3666         * tree-parloops.c (oacc_entry_exit_ok): Release a vector.
3667
3668 2016-05-19  Martin Liska  <mliska@suse.cz>
3669
3670         * tree-if-conv.c (ifcvt_repair_bool_pattern): Utilize auto_vecs.
3671
3672 2016-05-19  Martin Liska  <mliska@suse.cz>
3673
3674         * ipa-pure-const.c (set_function_state): Remove an existing
3675         funct_state.
3676         (remove_node_data): Do not free it as it's released
3677         in set_function_state.
3678
3679 2016-05-19  Martin Liska  <mliska@suse.cz>
3680
3681         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Release
3682         bitmap.
3683
3684 2016-05-19  Martin Liska  <mliska@suse.cz>
3685
3686         * omp-simd-clone.c (simd_clone_adjust): Release vector.
3687
3688 2016-05-19  Martin Liska  <mliska@suse.cz>
3689
3690         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Truncate
3691         an auto_vec instead of re-creating it.
3692
3693 2016-05-19  Martin Liska  <mliska@suse.cz>
3694
3695         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Use
3696         auto_vec instead of vec.
3697
3698 2016-05-19  Martin Liska  <mliska@suse.cz>
3699
3700         * lto-section-in.c (lto_get_section_data): Call
3701         lto_check_version with additional argument.
3702         * lto-streamer.c (lto_check_version): Add new argument.
3703         * lto-streamer.h (lto_check_version): Likewise.
3704
3705 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3706
3707         * config/arm/arm.c (arm_new_rtx_costs, SIGN_EXTEND case):
3708         Don't add cost of inner memory when handling sign-extended loads.
3709
3710 2016-05-19  Ilya Enkovich  <ilya.enkovich@intel.com>
3711
3712         PR rtl-optimization/71148
3713         * cse.c (cse_main): Free dominance info.
3714         (rest_of_handle_cse): Don't free dominance info.
3715         (rest_of_handle_cse2): Likewise.
3716         (rest_of_handle_cse_after_global_opts): Likewise.
3717
3718 2016-05-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3719
3720         PR target/71056
3721         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Return
3722         NULL_TREE early if NEON is not available.  Remove now redundant check
3723         in ARM_CHECK_BUILTIN_MODE.
3724
3725 2016-05-19  Maxim Ostapenko  <m.ostapenko@samsung.com>
3726
3727         PR sanitizer/64354
3728         * cppbuiltin.c (define_builtin_macros_for_compilation_flags): Add new
3729         builtin __SANITIZE_THREAD__ macros for fsanitize=thread switch.
3730         * doc/cpp.texi: Document new macros.
3731
3732 2016-05-19 Bin Cheng  <bin.cheng@arm.com>
3733
3734         PR tree-optimization/69848
3735         * tree-vect-loop.c (vectorizable_reduction): Don't factor
3736         comparison expr out of VEC_COND_EXPR for COND_REDUCTION.
3737
3738 2016-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
3739
3740         * function.c (thread_prologue_and_epilogue_insn): Move the
3741         "goto epilogue_done" one block later.
3742
3743 2016-05-19  Richard Biener  <rguenther@suse.de>
3744
3745         PR tree-optimization/70729
3746         * passes.def: Move LIM pass before PRE.  Remove no longer
3747         required copyprop and move first DCE out of the loop pipeline.
3748
3749 2016-05-18  David Malcolm  <dmalcolm@redhat.com>
3750
3751         PR driver/69265
3752         * Makefile.in (GCC_OBJS): Move spellcheck.o to...
3753         (OBJS-libcommon-target): ...here.
3754         * opts-common.c: Include spellcheck.h.
3755         (cmdline_handle_error): Build a vec of valid options and use it
3756         to suggest provide hints for misspelled arguments.
3757
3758 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3759
3760         PR c++/71100
3761         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't drop
3762         lhs if it has TREE_ADDRESSABLE type.
3763
3764 2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
3765
3766         PR target/71145
3767         * config/alpha/alpha.md (trap): Add (use (reg:DI 29)).
3768         (*exception_receiver_1): Return "#" for TARGET_EXPLICIT_RELOCS.
3769
3770 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3771
3772         PR ipa/69708
3773         * ipa-cp.c (ipa_get_jf_pass_through_result): Allow non-ip constant
3774         input for NOP_EXPR pass-through functions.
3775         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Allow
3776         aggregate global constant VAR_DECLs in constant jump functions.
3777
3778 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3779
3780         PR ipa/69708
3781         * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
3782         from TREE_READONLY parameters.
3783
3784 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3785
3786         PR ipa/69708
3787         * cgraph.h (cgraph_indirect_call_info): New field
3788         guaranteed_unmodified.
3789         * ipa-cp.c (ipa_get_indirect_edge_target_1): Also pass parameter value
3790         to ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3791         appropriate.
3792         * ipa-inline-analysis.c (evaluate_conditions_for_known_args): Also
3793         pass the parameter value to ipa_find_agg_cst_for_param.
3794         * ipa-prop.c (ipa_load_from_parm_agg): New parameter
3795         guaranteed_unmodified, store AA results there instead of bailing out
3796         if present.
3797         (ipa_note_param_call): Also initialize guaranteed_unmodified flag.
3798         (ipa_analyze_indirect_call_uses): Also set guaranteed_unmodified flag.
3799         (find_constructor_constant_at_offset): New function.
3800         (ipa_find_agg_cst_from_init): Likewise.
3801         (ipa_find_agg_cst_for_param): Also seearch for aggregate values in
3802         static initializers of contants, report back through a new paameter
3803         from_global_constant if that was the case.
3804         (try_make_edge_direct_simple_call): Also pass parameter value to
3805         ipa_find_agg_cst_for_param, check guaranteed_unmodified when
3806         appropriate.
3807         (ipa_write_indirect_edge_info): Stream new flag guaranteed_unmodified.
3808         (ipa_read_indirect_edge_info): Likewise.
3809         * ipa-prop.h (ipa_find_agg_cst_for_param): Update declaration.
3810         (ipa_load_from_parm_agg): Likewise.
3811
3812 2016-05-18  Jiong Wang  <jiong.wang@arm.com>
3813
3814         PR rtl-optimization/71150
3815         * lra-constraint (process_addr_reg): Guard "in_class_p" with REG_P
3816         check.
3817
3818 2016-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
3819
3820         PR target/70915
3821         * config/rs6000/constraints.md (wE constraint): New constraint
3822         for a vector constant that can be loaded with XXSPLTIB.
3823         (wM constraint): New constraint for a vector constant of a 1's.
3824         (wS constraint): New constraint for a vector constant that can be
3825         loaded with XXSPLTIB and a vector sign extend instruction.
3826         * config/rs6000/predicates.md (xxspltib_constant_split): New
3827         predicates for wE/wS constraints.
3828         (xxspltib_constant_nosplit): Likewise.
3829         (easy_vector_constant): Add support for constants that can be
3830         loaded via XXSPLTIB.
3831         (all_ones_constant): New predicate for vector constant with all
3832         1's set.
3833         (splat_input_operand): Add support for ISA 3.0 word splat operations.
3834         * config/rs6000/rs6000.c (xxspltib_constant_p): New function to
3835         return if a constant can be loaded with the ISA 3.0 XXSPLTIB
3836         instruction and possibly with a sign extension.
3837         (output_vec_const_move): Add support for XXSPLTIB. If we are
3838         loading up 0/-1 into Altivec registers, prefer using VSPLTISW
3839         instead of XXLXOR/XXLORC.
3840         (rs6000_expand_vector_init): Add support for ISA 3.0 word splat
3841         operations.
3842         (rs6000_legitimize_reload_address): Likewise.
3843         (rs6000_output_move_128bit): Use output_vec_const_move to emit
3844         constants.
3845         * config/rs6000/vsx.md (VSX_M): Add TImode (if -mvsx-timode) and
3846         combine VSX_M and VSX_M2 into one iterator.
3847         (VSX_M2): Likewise.
3848         (VSINT_84): New iterators for loading constants with XXSPLTIB.
3849         (VSINT_842): Likewise.
3850         (UNSPEC_VSX_SIGN_EXTEND): New UNSPEC.
3851         (xxspltib_v16qi): New insns to load up constants with the ISA 3.0
3852         XXSPLTIB instruction.
3853         (xxspltib_<mode>_nosplit): Likewise.
3854         (xxspltib_<mode>_split): New insn to load up constants with
3855         XXSPLTIB and a sign extend instruction.
3856         (vsx_mov<mode>): Replace single move that handled all vector types
3857         with separate 32-bit and 64-bit moves.  Combine the movti_<bit>
3858         moves (when -mvsx-timode is in effect) into the main vector
3859         moves.  Eliminate separate moves for <VSr> <VSa>, where the
3860         preferred register class (<VSr>) is listed first, and the
3861         secondary register class (<VSa>) is listed second with a '?' to
3862         discourage use.  Prefer loading 0/-1 in any VSX register for ISA
3863         3.0, and Altivec registers for ISA 2.06/2.07 (PR target/70915) so
3864         that if the register was involved in a slow operation, the
3865         clear/set operation does not wait for the slow operation to
3866         finish.  Adjust the length attributes for 32-bit mode.  Use
3867         rs6000_output_move_128bit and drop the use of the string
3868         instructions for 32-bit movti when -mvsx-timode is in effect.  Use
3869         spacing so that the alternatives and attributes don't generate
3870         long lines, and put things in columns, so that it is easier to
3871         match up the operands and attributes with the insn alternatives.
3872         (vsx_mov<mode>_64bit): Likewise.
3873         (vsx_mov<mode>_32bit): Likewise.
3874         (vsx_movti_64bit): Fold movti into normal vector moves.
3875         (vsx_movti_32bit): Likewise.
3876         (vsx_splat_<mode>, V4SI/V4SF modes): Add support for ISA 3.0 word
3877         splat instructions.
3878         (vsx_splat_v4si_internal): Likewise.
3879         (vsx_splat_v4sf_internal): Likewise.
3880         (vector fusion peepholes): Use VSX_M instead of VSX_M2.
3881         (vsx_sign_extend_qi_<mode>): New ISA 3.0 instructions to sign
3882         extend vector elements.
3883         (vsx_sign_extend_hi_<mode>): Likewise.
3884         (vsx_sign_extend_si_v2di): Likewise.
3885         * config/rs6000/rs6000-protos.h (xxspltib_constant_p): Add
3886         declaration.
3887         * doc/md.texi (PowerPC constraints): Document the wE, wM, and wS
3888         constraints.  Add trailing period to wL documentation.
3889
3890 2016-05-18  Richard Sandiford  <richard.sandiford@arm.com>
3891
3892         PR middle-end/71020
3893         * tree-dfa.h (replace_abnormal_ssa_names): Declare.
3894         * tree-dfa.c (replace_abnormal_ssa_names): New function.
3895         * tree-call-cdce.c: Include tree-dfa.h.
3896         (can_guard_call_p): New function, extracted from...
3897         (can_use_internal_fn): ...here.
3898         (shrink_wrap_one_built_in_call_with_conds): Remove failure path
3899         and return void.
3900         (shrink_wrap_one_built_in_call): Likewise.
3901         (use_internal_fn): Likewise.
3902         (shrink_wrap_conditional_dead_built_in_calls): Update accordingly
3903         and return void.  Call replace_abnormal_ssa_names.
3904         (pass_call_cdce::execute): Check can_guard_call_p during the
3905         initial walk.  Assume shrink_wrap_conditional_dead_built_in_calls
3906         will always change something.
3907
3908 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3909
3910         PR ipa/70646
3911         * ipa-prop.c (determine_locally_known_aggregate_parts): Bail out early
3912         if parameter PARAM_IPA_MAX_AGG_ITEMS is zero.
3913
3914 2016-05-18  Martin Jambor  <mjambor@suse.cz>
3915
3916         PR ipa/70646
3917         * ipa-inline.h (condition): New field size.
3918         * ipa-inline-analysis.c (add_condition): New parameter SIZE, use it
3919         for comaprison and store it into the new condition.
3920         (evaluate_conditions_for_known_args): Use condition size to check
3921         access sizes for all but CHANGED conditions.
3922         (unmodified_parm_1): New parameter size_p, store access size into it.
3923         (unmodified_parm): Likewise.
3924         (unmodified_parm_or_parm_agg_item): Likewise.
3925         (eliminated_by_inlining_prob): Pass NULL to unmodified_parm as size_p.
3926         (set_cond_stmt_execution_predicate): Extract access sizes and store
3927         them to conditions.
3928         (set_switch_stmt_execution_predicate): Likewise.
3929         (will_be_nonconstant_expr_predicate): Likewise.
3930         (will_be_nonconstant_predicate): Likewise.
3931         (inline_read_section): Stream condition size.
3932         (inline_write_summary): Likewise.
3933
3934 2016-05-18  Richard Biener  <rguenther@suse.de>
3935
3936         * tree-ssa-loop-im.c (determine_max_movement): Properly add
3937         condition cost to PHI cost instead of total_cost.
3938
3939 2016-05-18  Martin Liska  <mliska@suse.cz>
3940
3941         PR fortran/70856
3942         * ipa-icf.c (sem_variable::merge): Set DECL_PT_UID for
3943         merged variables.
3944
3945 2016-05-18  Richard Biener  <rguenther@suse.de>
3946
3947         * lto-streamer.h (LTO_major_version): Bump to 6.
3948
3949 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3950
3951         * function.c (make_split_prologue_seq, make_prologue_seq,
3952         make_epilogue_seq): New functions, factored out from...
3953         (thread_prologue_and_epilogue_insns): Here.
3954
3955 2016-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
3956
3957         * function.c (rest_of_handle_thread_prologue_and_epilogue): Call
3958         cleanup_cfg with CLEANUP_EXPENSIVE after shrink-wrapping instead
3959         of before.  Add a comment.
3960
3961 2016-05-18 Bin Cheng  <bin.cheng@arm.com>
3962
3963         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check invariant
3964         expression pointer, not pointer to the pointer.
3965
3966 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
3967
3968         * config/i386/sse.md (pbroadcast_evex_isa): New mode attr.
3969         (avx2_pbroadcast<mode>): Add another alternative with v instead
3970         of x constraints in it, using <pbroadcast_evex_isa> isa.
3971         (avx2_pbroadcast<mode>_1): Similarly, add two such alternatives.
3972
3973         * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
3974         constraint x instead of v in second alternative, add avx512bw
3975         alternative.
3976
3977         * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
3978         constraint x instead of v in second alternative, add avx512bw
3979         alternative.
3980
3981         * config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
3982         constraint x instead of v in second alternative, add avx512bw
3983         alternative.
3984
3985         * config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
3986         avx512bw alternative.
3987
3988 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3989
3990         * config/i386/sse.md (define_insn "*andnot<mode>3"): Extend static
3991         array to 128 chars.
3992         (define_insn "*andnottf3"): Ditto.
3993         (define_insn "*<code><mode>3"/any_logic): Ditto.
3994         (define_insn "*<code>tf3"/any_logic): Ditto.
3995         (define_insn "sse2_storehpd"): Use Yv constraint for scalar
3996         operand to block AVX-512VL insn variant emit when it is not enabled.
3997
3998 2016-05-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3999
4000         * config/i386/sse.md (define_insn "*vec_concatv2sf_sse4_1"): Use 'Yv'
4001         constraint fot SF mode.
4002
4003 2016-05-18  Petr Murzin  <petr.murzin@intel.com>
4004             Kirill Yukhin  <kirill.yukhin@intel.com>
4005
4006         * config/i386/sse.md (define_insn "srcp14<mode>"): Use proper operand
4007         modifiers.
4008         (define_insn "rsqrt14<mode>"): Ditto.
4009         (define_insn "<mask_codefor>avx512dq_cvtps2qqv2di<mask_name>"): Ditto.
4010         (define_insn "<fixsuffix>fix_truncv2sfv2di2<mask_name>"): Ditto.
4011         (define_insn "avx512f_<code>v8div16qi2_mask_store"): Ditto.
4012         (define_insn "vec_set_hi_<mode><mask_name>"): Ditto.
4013         (define_insn "<mask_codefor>avx512dq_broadcast<mode><mask_name>"):
4014         Ditto.
4015         (define_insn "*avx512f_gatherdi<mode>"): Ditto.
4016         (define_insn "*avx512f_scatterdi<mode>"): Ditto.
4017         * config/i386/i386.c (ix86_print_operand): Expand check for size
4018         override codes for Intel syntax.
4019
4020 2016-05-18  Richard Biener  <rguenther@suse.de>
4021
4022         PR tree-optimization/71168
4023         * tree-loop-distribution.c (distribute_loop): Move *destroy_p
4024         initialization earlier.
4025
4026 2016-05-18  James Greenhalgh  <james.greenhalgh@arm.com>
4027
4028         * config/aarch64/aarch64-simd.md
4029         (aarch64_reduc_plus_internal<mode>): Rename to...
4030         (reduc_plus_scal): ...This, and remove previous implementation.
4031
4032 2016-05-18  Richard Biener  <rguenther@suse.de>
4033
4034         * passes.def: Put late dse and cd_dce in canonical order.
4035
4036 2016-05-17  Jan Hubicka  <hubicka@ucw.cz>
4037
4038         * ipa-inline-transform.c (preserve_function_body_p): Look for
4039         first non-thunk clone.
4040         (save_function_body): Save into first non-thunk.
4041         * lto-cgraph.c (lto_output_edge): When streaming thunk do not look
4042         up call stmt id.
4043         (lto_output_node): Inline thunks don't need body in every
4044         partition.
4045         * lto-streamer-in.c: Do not fixup thunk clones.
4046         * cgraphclones.c (cgraph_node::create_edge_including_clone): Skip
4047         thunks.
4048         * tree-inline.c (copy_bb): Be prepared for target node to be new after
4049         folding suceeds.
4050
4051 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4052
4053         PR middle-end/63586
4054         * tree-ssa-reassoc.c (transform_add_to_multiply): New.
4055         (reassociate_bb): Call transform_add_to_multiply.
4056
4057 2016-05-17  Kugan Vivekanandarajah  <kuganv@linaro.org>
4058
4059         * config/aarch64/aarch64.c (all_extensions): Removed unused
4060         static variable.
4061
4062 2016-05-17  Nathan Sidwell  <nathan@acm.org>
4063
4064         * config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
4065         (TARGET_FUNCTION_ARG_BOUNDARY): Override.
4066
4067 2016-05-17  Mikhail Maltsev  <maltsevm@gmail.com>
4068
4069         PR tree-optimization/54579
4070         PR middle-end/55299
4071         * match.pd (~(~X >> Y), ~(~X >>r Y), ~(~X <<r Y)): New patterns.
4072
4073 2016-05-17  Marek Polacek  <polacek@redhat.com>
4074
4075         PR ipa/71146
4076         * tree-inline.c (expand_call_inline): Call
4077         maybe_remove_unused_call_args.
4078
4079 2016-05-17  Jim Wilson  <jim.wilson@linaro.org>
4080
4081         * doc/cpp.texi (__GNUC__): Major version changes are no longer rare.
4082         * doc/invoke.texi (-mnan=2008): Change signalling to signaling.
4083         * doc/md.texi (fmin@var{m}3): Likewise.
4084
4085 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4086
4087         * match.pd (X & C): New transformation.
4088
4089 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4090
4091         * match.pd (~X & Y): New transformation.
4092
4093 2016-05-17  Marc Glisse  <marc.glisse@inria.fr>
4094
4095         * tree-vrp.c (simplify_truth_ops_using_ranges): Set range
4096         information for new SSA_NAME.
4097         (simplify_conversion_using_ranges): Get range through get_range_info
4098         instead of get_value_range.
4099
4100 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4101
4102         * config/aarch64/arm_neon.h (vmvn_s8): Reimplement using C operator.
4103         Remove inline assembly.
4104         (vmvn_s16): Likewise.
4105         (vmvn_s32): Likewise.
4106         (vmvn_u8): Likewise.
4107         (vmvn_u16): Likewise.
4108         (vmvn_u32): Likewise.
4109         (vmvnq_s8): Likewise.
4110         (vmvnq_s16): Likewise.
4111         (vmvnq_s32): Likewise.
4112         (vmvnq_u8): Likewise.
4113         (vmvnq_u16): Likewise.
4114         (vmvnq_u32): Likewise.
4115         (vmvn_p8): Likewise.
4116         (vmvnq_p16): Likewise.
4117
4118 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4119
4120         * config/aarch64/aarch64-simd.md (vmul_n_f32): Remove inline assembly.
4121         Use builtin.
4122         (vmul_n_s16): Likewise.
4123         (vmul_n_s32): Likewise.
4124         (vmul_n_u16): Likewise.
4125         (vmul_n_u32): Likewise.
4126         (vmulq_n_f32): Likewise.
4127         (vmulq_n_f64): Likewise.
4128         (vmulq_n_s16): Likewise.
4129         (vmulq_n_s32): Likewise.
4130         (vmulq_n_u16): Likewise.
4131         (vmulq_n_u32): Likewise.
4132
4133 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4134
4135         * config/aarch64/aarch64-simd.md (*aarch64_mul3_elt_to_128df): Extend
4136         to all supported modes.  Rename to "*aarch64_mul3_elt_from_dup".
4137
4138 2016-05-17  Jiong Wang  <jiong.wang@arm.com>
4139
4140         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_to_128df): Rename
4141         to *aarch64_fma4_elt_from_dup<mode>.
4142         (*aarch64_fnma4_elt_to_128df): Rename to
4143         *aarch64_fnma4_elt_from_dup<mode>.
4144         * config/aarch64/arm_neon.h (vfma_n_f64): New.
4145         (vfms_n_f32): Likewise.
4146         (vfms_n_f64): Likewise.
4147         (vfmsq_n_f32): Likewise.
4148         (vfmsq_n_f64): Likewise.
4149
4150 2016-05-17  Gerald Pfeifer  <gerald@pfeifer.com>
4151
4152         * wide-int.h: Change fixed_wide_int_storage from class to struct.
4153
4154 2016-05-17  Richard Biener  <rguenther@suse.de>
4155
4156         PR tree-optimization/71132
4157         * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop.
4158         Only add control dependences for blocks in the loop.
4159         (build_rdg): Adjust.
4160         (generate_code_for_partition): Return whether loop should
4161         be destroyed and delay that.
4162         (distribute_loop): Likewise.
4163         (pass_loop_distribution::execute): Record loops to be destroyed
4164         and perform delayed destroying of loops.
4165
4166 2016-05-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4167
4168         PR target/70809
4169         * config/aarch64/aarch64-simd.md (aarch64_vmls<mode>): Delete.
4170
4171 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4172
4173         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_DEF): Delete.
4174
4175 2016-05-17  Ilya Enkovich  <ilya.enkovich@intel.com>
4176
4177         PR target/71114
4178         * config/i386/i386.c (dimode_scalar_chain::convert_op): Fix
4179         insertion point for instructions generated by validize_mem.
4180
4181 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4182
4183         * config/aarch64/aarch64.c (SHIFT_COUNT_TRUNCATED): Wrap definition
4184         in brackets.
4185
4186 2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>
4187
4188         * config/aarch64/aarch64.c
4189         (aarch64_output_simd_mov_immediate): Make "buf_size" a variable
4190         rather than a macro.
4191
4192 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4193
4194         * doc/invoke.texi (AArch64 Options): Various updates.
4195
4196 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4197
4198         * ipa-inline-analysis.c (compute_inline_parameters): Disable inlinig
4199         into instrumentation thunks.
4200         * cif-code.def (CIF_CHKP): New.
4201
4202 2016-05-16  Uros Bizjak  <ubizjak@gmail.com>
4203
4204         * config/i386/xopintrin.h: Correct "unsinged" typo in the comments.
4205
4206 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4207
4208         * hsa-gen.c (fillup_for_decl): Increase alignment to natural one.
4209         (get_symbol_for_decl): Sorry if a global symbol in under-aligned.
4210
4211 2016-05-16  Marek Polacek  <polacek@redhat.com>
4212
4213         * gimple.c (maybe_remove_unused_call_args): Fix typos in the
4214         commentary.
4215
4216 2016-05-16  Martin Jambor  <mjambor@suse.cz>
4217
4218         PR hsa/70857
4219         * omp-low.c (grid_expand_target_grid_body): Copy RESULT_DECL of
4220         the outlined kernel function.
4221
4222 2016-05-16  Robert Suchanek  <robert.suchanek@imgtec.com>
4223
4224         * config/mips/mips.h (ISA_HAS_LSA): Enable for -mmsa.
4225         (ISA_HAS_DLSA): Ditto.
4226
4227 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4228
4229         * config/mips/m5100.md (m51_int_load): Update the latency to 2.
4230
4231 2016-05-16  Nathan Sidwell  <nathan@acm.org>
4232
4233         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): Revert.
4234         (nvptx_name_replacement): Restore.  Add comment.
4235         (write_fn_proto, write_fn_proto_from_insn,
4236         nvptx_output_call_insn): Restore
4237         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Delete.
4238
4239 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4240
4241         * config/aarch64/aarch64.md
4242         (add<mode>3_compareC_cconly_imm): Remove use of %w.
4243         (add<mode>3_compareC_imm): Likewise.
4244         (<optab>si3_uxtw): Split into register and immediate variants.
4245         (andsi3_compare0_uxtw): Likewise.
4246         (and<mode>3_compare0): Likewise.
4247         (and<mode>3nr_compare0): Likewise.
4248         (stack_protect_test_<mode>): Don't use %x for memory operands.
4249
4250 2016-05-16  Matthew Fortune  <matthew.fortune@imgtec.com>
4251
4252         * config/mips/mips-cpus.def (p5600): Add multi-line brackets.
4253
4254 2016-05-16  Wilco Dijkstra  <wdijkstr@arm.com>
4255
4256         * config/aarch64/aarch64.md (aarch64_ashl_sisd_or_int_<mode>3):
4257         Split integer shifts into shift_reg and bfm.
4258         (aarch64_lshr_sisd_or_int_<mode>3): Likewise.
4259         (aarch64_ashr_sisd_or_int_<mode>3): Likewise.
4260         (ror<mode>3_insn): Likewise.
4261         (<optab>si3_insn_uxtw): Likewise.
4262         (<optab><mode>3_insn): Change to rotate_imm.
4263         (extr<mode>5_insn_alt): Likewise.
4264         (extrsi5_insn_uxtw): Likewise.
4265         (extrsi5_insn_uxtw_alt): Likewise.
4266
4267 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4268
4269         * doc/tm.texi: Regenerate.
4270         * doc/tm.texi.in (TARGET_INVALID_PARAMETER_TYPE): Remove.
4271         (TARGET_INVALID_RETURN_TYPE): Remove.
4272         * system.h: Poison TARGET_INVALID_PARAMETER_TYPE and
4273         TARGET_INVALID_RETURN_TYPE.
4274         * target.def (invalid_parameter_type): Remove.
4275         (invalid_return_type): Remove.
4276
4277 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4278
4279         * ipa-inline-analysis.c (compute_inline_parameters): Be more reailistic
4280         on estimating thunk bodies; do not set inline_failed to CIF_THUNK for
4281         calls from thunk.
4282         * ipa-inline-transform.c (inline_call): When inlining into thunk produce
4283         gimple body.
4284         (preserve_function_body_p): No need to preserve function body
4285         * cif-codes.def (CIF_THUNK): Remove.
4286         * cgraphclones.c (duplicate_thunk_for_node): Thunks calls are inlinable.
4287
4288 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4289
4290         * tree-inline.c (expand_call_inline): recurse after inlining thunk.
4291
4292 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4293
4294         * tree.c (free_lang_data_in_decl): Also set target/optimization flags
4295         for thunks.
4296
4297 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4298
4299         * ipa-inline.c (report_inline_failed_reason): Look into thunks, too
4300         (inline_small_functions): Do not look for function symbol when
4301         resetting caches.
4302
4303 2016-05-16  Jan Hubicka  <hubicka@ucw.cz>
4304
4305         * lto-cgraph.c (compute_ltrans_boundary, output_symtab): Fix handling
4306         of inline thunks
4307
4308 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4309             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4310             Jiong Wang  <jiong.wang@arm.com>
4311
4312         * config/arm/arm-c.c (arm_cpu_builtins): Use def_or_undef_macro
4313         for __ARM_FP16_FORMAT_IEEE and __ARM_FP16_FORMAT_ALTERNATIVE.
4314         Define __ARM_FP16_ARGS when appropriate.
4315         * config/arm/arm.c (arm_invalid_parameter_type): Remove
4316         declaration.
4317         (arm_invalid_return_type): Likewise.
4318         (TARGET_INVALID_PARAMETER_TYPE): Remove.
4319         (TARGET_INVALID_RETURN_TYPE): Remove.
4320         (aapcs_vfp_sub_candidate): Allow HFmode.
4321         (aapcs_vfp_allocate): Add comment.  Support HFmode.
4322         (aapcs_vfp_allocate_return_reg): Likewise.
4323         (struct aapcs_cp_arg_layout): Slightly reword comments for
4324         is_return_candidate and allocate_return_reg.
4325         (output_mov_vfp): Update assert.
4326         (arm_hard_regno_mode_ok): Remove comment, update HF-mode
4327         condition.
4328         (arm_invalid_parameter_type): Remove.
4329         (amr_invalid_return_type): Remove.
4330         * config/arm/arm.h (TARGET_NEON_FP16): Fix definition.
4331         * config/arm/arm.md (*arm32_movhf): Disable for TARGET_VFP.
4332         * config/arm/vfp.md (*movhf_vfp): Enable for TARGET_VFP.
4333
4334 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
4335
4336         * config/aarch64/aarch64.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
4337         * config/aarch64/arch64-protos.h
4338         (aarch64_legitimize_reload_address): Remove.
4339         * config/aarch64/aarch64.c (aarch64_legitimize_reload_address):
4340         Remove.
4341
4342 2016-05-16  Eric Botcazou  <ebotcazou@adacore.com>
4343
4344         * configure.ac: Add ACX_NONCANONICAL_HOST.
4345         * configure: Regenerate.
4346         * Makefile.in: Set host_noncanonical.
4347
4348 2016-05-14  Uros Bizjak  <ubizjak@gmail.com>
4349
4350         PR target/71097
4351         * config/i386/i386.md (*movtf_internal): Before register allocation,
4352         do not allow FP constants for CM_MEDIUM memory model, allow only
4353         standard FP constants for CM_LARGE and CM_LARGE_PIC models.
4354         (*movxf_internal): Ditto.
4355         (*movdf_internal): Ditto.
4356         (*movsf_internal): Ditto.
4357
4358 2016-05-13  Segher Boessenkool  <segher@kernel.crashing.org>
4359
4360         PR rtl-optimization/67483
4361         * combine.c (make_compound_operation): Don't call extract_left_shift
4362         with negative shift amounts.
4363
4364 2016-05-13  Jakub Jelinek  <jakub@redhat.com>
4365
4366         PR bootstrap/71071
4367         * fold-const.c (fold_checksum_tree): Allow modification
4368         of TYPE_ALIAS_SET during folding.
4369
4370         * config/i386/i386.c (ix86_compute_frame_layout, ix86_expand_prologue,
4371         ix86_expand_split_stack_prologue): Use HOST_WIDE_INT_C macro.
4372         (ix86_split_to_parts): Likewise.  Fix up formatting.
4373
4374 2016-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4375
4376         * tree-ssa-loop-ivopts.c (create_new_ivs): Cast to
4377         unsigned HOST_WIDE_INT with HOST_WIDE_INT_PRINT_UNSIGNED in
4378         printf format.
4379
4380 2016-05-13  Nathan Sidwell  <nathan@acm.org>
4381
4382         * config/nvptx/nvptx.c (nvptx_mangle_decl_assembler_name): New.
4383         (nvptx_name_replacement): Delete.
4384         (write_fn_proto, write_fn_proto_from_insn,
4385         nvptx_output_call_insn): Remove nvptx_name_replacement call.
4386         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Override.
4387         * langhooks.c (add_builtin_funcction_common): Call
4388         targetm.mangle_decl_assembler_name.
4389
4390         * config/nvptx/nvptx.c (write_fn_proto): Handle
4391         BUILT_IN_ATOMIC_COMPARE_EXCHANGE_n oddity.
4392
4393 2016-05-13  Martin Liska  <mliska@suse.cz>
4394
4395         * tree-ssa-loop-ivopts.c (create_new_ivs): Use HOST_WIDE_INT_PRINT_DEC
4396         and PRIu64 in printf format.
4397
4398 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4399
4400         * tree-ssa-loop-ivanon.c (try_unroll_loop_completely): Typo fix in
4401         comment.
4402
4403 2016-05-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4404
4405         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4406         Change --param max-completely-peeled-times to
4407         --param max-completely-peel-times in dump file printing.
4408
4409 2016-05-13  Richard Biener  <rguenther@suse.de>
4410
4411         PR tree-optimization/42587
4412         * tree-ssa-math-opts.c (perform_symbolic_merge): Handle BIT_FIELD_REF.
4413         (find_bswap_or_nop_1): Likewise.
4414         (bswap_replace): Likewise.
4415
4416 2016-05-13  Martin Liska  <mliska@suse.cz>
4417
4418         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern):
4419         Initialize a variable with default value.
4420
4421 2016-05-13  Martin Liska  <mliska@suse.cz>
4422
4423         * doc/invoke.texi: Enhance explanation of error recovery
4424         of sanitizers.
4425
4426 2016-05-13  Martin Liska  <mliska@suse.cz>
4427
4428         * tree-ssa-loop-ivopts.c (avg_loop_niter): Fix coding style.
4429         (struct cost_pair): Change inv_expr_id (int) to inv_expr
4430         (iv_inv_expr_ent *).
4431         (struct iv_inv_expr_ent): Comment struct fields.
4432         (sort_iv_inv_expr_ent): New function.
4433         (struct ivopts_data): Rename inv_expr_id to max_inv_expr_id.
4434         (struct iv_ca): Replace used_inv_expr and num_used_inv_expr with
4435         a hash_map between iv_inv_expr_ent and number of usages.
4436         (niter_for_exit): Fix coding style.
4437         (tree_ssa_iv_optimize_init): Use renamed variable.
4438         (determine_base_object): Fix coding style.
4439         (alloc_iv): Likewise.
4440         (find_interesting_uses_outside): Likewise.
4441         (add_candidate_1): Likewise.
4442         (add_standard_iv_candidates): Likewise.
4443         (set_group_iv_cost): Replace inv_expr_id with inv_expr.
4444         (prepare_decl_rtl): Fix coding style.
4445         (get_address_cost): Likewise.
4446         (get_shiftadd_cost): Likewise.
4447         (force_expr_to_var_cost): Likewise.
4448         (compare_aff_trees): Likewise.
4449         (get_expr_id): Restructure the function.
4450         (get_loop_invariant_expr_id): Renamed to
4451         get_loop_invariant_expr.
4452         (get_computation_cost_at): Replace usage of inv_expr_id with
4453         inv_expr.
4454         (get_computation_cost): Likewise.
4455         (determine_group_iv_cost_generic): Likewise.
4456         (determine_group_iv_cost_address): Likewise.
4457         (iv_period): Fix coding style.
4458         (iv_elimination_compare_lt): Likewise.
4459         (may_eliminate_iv): Likewise.
4460         (determine_group_iv_cost_cond):  Replace usage of inv_expr_id with
4461         inv_expr.
4462         (determine_group_iv_costs): Dump invariant expressions.
4463         (iv_ca_recount_cost): Use the newly added hash_map.
4464         (iv_ca_set_remove_invariants): Fix coding style.
4465         (iv_ca_set_add_invariants): Fix coding style.
4466         (iv_ca_set_no_cp): Utilize the newly added hash_map for used
4467         invariants.
4468         (iv_ca_set_cp): Likewise.
4469         (iv_ca_new): Initialize the newly added hash_map and remove
4470         initialization of fields.
4471         (iv_ca_free): Delete the hash_map.
4472         (iv_ca_dump): Dump invariant expressions.
4473         (iv_ca_extend): Fix coding style.
4474         (try_add_cand_for): Likewise.
4475         (create_new_ivs): Dump information about # of avg iterations and
4476         # of used invariant expressions.
4477         (rewrite_use_compare): Fix coding style.
4478         (free_loop_data): Set default value for max_inv_expr_id.
4479
4480 2016-05-13  Ilya Enkovich  <ilya.enkovich@intel.com>
4481
4482         * cse.c (rest_of_handle_cse): Use cleanup_cfg
4483         returned value cse_cfg_altered computation.
4484         (rest_of_handle_cse2): Likewise.
4485         (rest_of_handle_cse_after_global_opts): Likewise.
4486
4487 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4488
4489         PR target/53440
4490         * config/arm/arm.c (arm32_output_mi_thunk): New.
4491         (arm_output_mi_thunk): Rename to arm_thumb1_mi_thunk. Rework
4492         to split Thumb1 vs TARGET_32BIT functionality.
4493         (arm_thumb1_mi_thunk): New.
4494
4495 2016-05-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4496
4497         * config/aarch64/aarch64.c (TARGET_OMIT_STRUCT_RETURN_REG): Set
4498         to true.
4499
4500 2016-05-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4501
4502         PR target/71080
4503         * config/i386/i386.c (ix86_in_large_data_p): Guard against NULL exp.
4504
4505 2016-05-13  Eric Botcazou  <ebotcazou@adacore.com>
4506
4507         * builtins.c (expand_builtin_memcmp): Do not emit the call here.
4508         (expand_builtin_trap): Emit a regular call.
4509         (set_builtin_user_assembler_name): Remove obsolete cases.
4510         * dse.c (scan_insn): Adjust.
4511         * except.c: Include calls.h.
4512         (sjlj_emit_function_enter): If DONT_USE_BUILTIN_SETJMP is defined,
4513         emit a regular call to setjmp.
4514         * expr.c (emit_block_move_hints): Call emit_block_copy_via_libcall.
4515         (block_move_libcall_safe_for_call_parm): Use memcpy builtin.
4516         (emit_block_move_via_libcall): Delete.
4517         (block_move_fn): Delete.
4518         (init_block_move_fn): Likewise.
4519         (emit_block_move_libcall_fn): Likewise.
4520         (emit_block_op_via_libcall): New function.
4521         (set_storage_via_libcall): Tidy up and use memset builtin.
4522         (block_clear_fn): Delete.
4523         (init_block_clear_fn): Likewise.
4524         (clear_storage_libcall_fn): Likewise.
4525         (expand_assignment): Call emit_block_move_via_libcall.
4526         Do not include gt-expr.h.
4527         * expr.h (emit_block_op_via_libcall): Declare.
4528         (emit_block_copy_via_libcall): New inline function.
4529         (emit_block_move_via_libcall): Likewise.
4530         (emit_block_comp_via_libcall): Likewise.
4531         (block_clear_fn): Delete.
4532         (init_block_move_fn): Likewise.
4533         (init_block_clear_fn): Likewise.
4534         (emit_block_move_via_libcall): Likewise.
4535         (set_storage_via_libcall): Add default parameter value.
4536         * libfuncs.h (enum libfunc_index): Remove obsolete values.
4537         (abort_libfunc): Delete.
4538         (memcpy_libfunc): Likewise.
4539         (memmove_libfunc): Likewise.
4540         (memcmp_libfunc): Likewise.
4541         (memset_libfunc): Likewise.
4542         (setbits_libfunc): Likewise.
4543         (setjmp_libfunc): Likewise.
4544         (longjmp_libfunc): Likewise.
4545         (profile_function_entry_libfunc): Likewise.
4546         (profile_function_exit_libfunc): Likewise.
4547         (gcov_flush_libfunc): Likewise.
4548         * optabs-libfuncs.c (build_libfunc_function): Set DECL_ARTIFICIAL
4549         and DECL_VISIBILITY on the declaration.
4550         (init_optabs): Do not initialize obsolete libfuncs.
4551         * optabs.c (prepare_cmp_insn): Call emit_block_comp_via_libcall.
4552         * tree-core.h (ECF_RET1): Define.
4553         (ECF_TM_PURE): Adjust.
4554         (ECF_TM_BUILTIN): Likewise.
4555         * tree.c (set_call_expr_flags): Deal with ECF_RET1.
4556         (build_common_builtin_nodes): Initialize abort builtin.
4557         Add ECF_RET1 on memcpy, memmove and memset builtins.
4558         Pass final flags for alloca and alloca_with_align builtins.
4559         * config/alpha/alpha.c (alpha_init_libfuncs): Do not initialize
4560         obsolete builtins.
4561         * config/ia64/ia64.c (ia64_vms_init_libfuncs): Likewise.
4562         * config/i386/i386.c (ix86_expand_set_or_movmem): Adjust call to
4563         set_storage_via_libcall and call emit_block_copy_via_libcall.
4564
4565 2016-05-12  Uros Bizjak  <ubizjak@gmail.com>
4566
4567         * config/i386/i386.md (*call_got_x32): Change operand 0 to
4568         DImode before it is passed to ix86_output_call_operand.
4569         (*call_value_got_x32): Ditto for operand 1.
4570
4571 2016-05-12  Jiong Wang  <jiong.wang@arm.com>
4572
4573         PR rtl-optimization/70904
4574         * lra-constraint.c (process_addr_reg): Relax the restriction on subreg
4575         reload for wide mode.
4576
4577 2016-05-12  Marek Polacek  <polacek@redhat.com>
4578
4579         PR c/70756
4580         * langhooks-def.h (lhd_incomplete_type_error): Adjust declaration.
4581         * langhooks.c (lhd_incomplete_type_error): Add location parameter.
4582         * langhooks.h (incomplete_type_error): Likewise.
4583         * tree.c (size_in_bytes_loc): Renamed from size_in_bytes.  Add location
4584         parameter, pass it down to incomplete_type_error.
4585         * tree.h (size_in_bytes): New inline overload.
4586         (size_in_bytes_loc): Renamed from size_in_bytes.
4587
4588 2016-05-12  Richard Biener  <rguenther@suse.de>
4589
4590         PR tree-optimization/71059
4591         * tree-ssa-pre.c (phi_translate_1): Fully fold translated
4592         nary before looking up or entering the expression into the VN
4593         hashes.
4594         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): Fix comment typo.
4595         Make sure to re-use NARYs without result as inserted by
4596         phi-translation.
4597
4598 2016-05-12  Richard Biener  <rguenther@suse.de>
4599
4600         PR tree-optimization/71062
4601         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
4602         field.
4603         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4604         vars_contains_restrict if the var is a restrict tag.
4605         * tree-ssa-alias.c (ptrs_compare_unequal): If vars_contains_restrict
4606         do not disambiguate pointers against it.
4607         (dump_points_to_solution): Re-structure and adjust for new
4608         vars_contains_restrict flag.
4609         * gimple-pretty-print.c (pp_points_to_solution): Likewise.
4610
4611 2016-05-12  Martin Liska  <mliska@suse.cz>
4612
4613         * doc/invoke.texi: Explain connection between
4614         -fsanitize-recover=address and ASAN_OPTIONS="halt_on_error=1".
4615
4616 2016-05-12  Ilya Enkovich  <ilya.enkovich@intel.com>
4617
4618         PR tree-optimization/71006
4619         * tree-vect-loop.c (vect_determine_vectorization_factor): Don't
4620         consider COND_EXPR as a mask producer.
4621
4622 2016-05-12  Marek Polacek  <polacek@redhat.com>
4623
4624         PR driver/71063
4625         * opts.c (common_handle_option): Detect missing argument for --help^.
4626
4627 2016-05-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4628
4629         PR target/70830
4630         * config/arm/arm.c (arm_output_multireg_pop): Avoid POP instruction
4631         when popping the PC and within an interrupt handler routine.
4632         Add missing tab to output of "ldmfd".
4633         (output_return_instruction): Output LDMFD with SP update rather
4634         than POP when returning from interrupt handler.
4635
4636 2016-05-12  Jakub Jelinek  <jakub@redhat.com>
4637
4638         * config/i386/i386.md (isa): Add x64_avx512dq, enable if
4639         TARGET_64BIT && TARGET_AVX512DQ.
4640         * config/i386/sse.md (*vec_extract<mode>): Add avx512bw alternatives.
4641         (*vec_extract<PEXTR_MODE12:mode>_zext): Add avx512bw alternative.
4642         (*vec_extract<ssevecmodelower>_0, *vec_extractv4si_0_zext,
4643         *vec_extractv2di_0_sse): Use v constraint instead of x constraint.
4644         (*vec_extractv4si): Add avx512dq and avx512bw alternatives.
4645         (*vec_extractv4si_zext): Add avx512dq alternative.
4646         (*vec_extractv2di_1): Add x64_avx512dq and avx512bw alternatives,
4647         use v instead of x constraint in other alternatives where possible.
4648
4649         * config/i386/sse.md (sse2_loadld): Use v instead of x
4650         constraint in alternatives 0,1,4.
4651
4652         * config/i386/sse.md (pinsr_evex_isa): New mode attr.
4653         (<sse2p4_1>_pinsr<ssemodesuffix>): Add 2 alternatives with
4654         v constraints instead of x and <pinsr_evex_isa> isa attribute.
4655
4656         PR target/71019
4657         * config/i386/sse.md (<sse2_avx2>_packssdw<mask_name>,
4658         <sse4_1_avx2>_packusdw<mask_name>): Make sure EVEX encoded insn
4659         is not emitted unless TARGET_AVX512BW.
4660         (<sse2_avx2>_packuswb<mask_name>, <sse2_avx2>_packsswb<mask_name>):
4661         Likewise.  For TARGET_AVX512BW, use "=v" constraint instead of "=x"
4662         for the result operand.
4663
4664         * config/i386/sse.md (*vec_setv4sf_sse4_1, sse4_1_insertps): Use v
4665         constraint instead of x in avx alternatives.  Use maybe_evex instead
4666         of vex prefix.
4667
4668         * config/i386/constraints.md (Yv): New constraint.
4669         * config/i386/i386.h (VALID_AVX512VL_128_REG_MODE): Allow
4670         TFmode and V1TImode in xmm16+ registers for TARGET_AVX512VL.
4671         * config/i386/i386.md (avx512fvecmode): New mode attr.
4672         (*pushtf): Use v constraint instead of x.
4673         (*movtf_internal): Likewise.  For TARGET_AVX512VL and
4674         xmm16+ registers, use vmovdqu64 or vmovdqa64 instructions.
4675         (*absneg<mode>2): Use Yv constraint instead of x constraint.
4676         (*absnegtf2_sse): Likewise.
4677         (copysign<mode>3_const, copysign<mode>3_var): Likewise.
4678         * config/i386/sse.md (*andnot<mode>3): Add avx512vl and
4679         avx512f alternatives.
4680         (*andnottf3, *<code><mode>3, *<code>tf3): Likewise.
4681
4682 2016-05-12  Richard Biener  <rguenther@suse.de>
4683
4684         PR tree-optimization/71060
4685         * tree-data-ref.c (initialize_data_dependence_relation): Do not
4686         require exact match of DR_BASE_OBJECT but only matching address and
4687         type.
4688
4689 2016-05-12  Richard Biener  <rguenther@suse.de>
4690
4691         PR tree-optimization/70986
4692         * cfganal.c: Include cfgloop.h.
4693         (dfs_find_deadend): Prefer to take edges exiting loops.
4694
4695 2016-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4696
4697         * gcc.target/powerpc/pr70963.c: Require at least power8 at both
4698         compile and run time.
4699
4700 2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>
4701
4702         PR c/43651
4703         * doc/invoke.texi (Wduplicate-decl-specifier): Document new option.
4704
4705 2016-05-11  Uros Bizjak  <ubizjak@gmail.com>
4706
4707         * config/i386/i386.c (legitimize_pic_address): Use
4708         copy_to_suggested_reg instead of gen_movsi.
4709
4710 2016-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4711
4712         * config/rs6000/predicates.md (quad_memory_operand): Move most of
4713         the code into quad_address_p and call it to share code with
4714         vsx_quad_dform_memory_operand.
4715         (vsx_quad_dform_memory_operand): New predicate for ISA 3.0 vector
4716         d-form support.
4717         * config/rs6000/rs6000.opt (-mlra): Switch to being an option mask
4718         bit instead of being a separate word.  Split -mpower9-dform into
4719         two switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4720         * config/rs6000/rs6000.c (RELOAD_REG_QUAD_OFFSET): New addr_mask
4721         for the register class supporting 128-bit quad word memory offsets.
4722         (mode_supports_vsx_dform_quad): Helper function to return if the
4723         register class uses quad word memory offsets.
4724         (rs6000_debug_addr_mask): Add support for quad word memory offsets.
4725         (rs6000_debug_reg_global): Always print if we are using LRA or not.
4726         (rs6000_setup_reg_addr_masks): If ISA 3.0 vector d-form
4727         instructions are enabled, set up the appropriate addr_masks for
4728         128-bit types.
4729         (rs6000_init_hard_regno_mode_ok): wb constraint is now based on
4730         -mpower9-dform-scalar, instead of -mpower9-dform.
4731         (rs6000_option_override_internal): Split -mpower9-dform into two
4732         switches, -mpower9-dform-scalar and -mpower9-dform-vector.  The
4733         -mpower9-dform switch sets or clears both.  If we are not using
4734         the LRA register allocator, do not enable -mpower9-dform-vector by
4735         default.  If we are using LRA, enable -mpower9-dform-vector and
4736         -mvsx-timode if it is appropriate.  Issue a warning if either
4737         -mpower9-dform-vector or -mvsx-timode are explicitly used without
4738         enabling LRA.
4739         (quad_address_offset_p): New helper function to return if the
4740         offset is legal for quad word memory instructions.
4741         (quad_address_p): New function to determin if GPR or vector
4742         register quad word memory addresses are legal.
4743         (mem_operand_gpr): Validate quad word address offsets.
4744         (reg_offset_addressing_ok_p): Add support for ISA 3.0 vector
4745         d-form (register + offset) instructions.
4746         (offsettable_ok_by_alignment): Likewise.
4747         (rs6000_legitimate_offset_address_p): Likewise.
4748         (legitimate_lo_sum_address_p): Likewise.
4749         (rs6000_legitimize_address): Likewise.
4750         (rs6000_legitimize_reload_address): Add more debug statements for
4751         -mdebug=addr.
4752         (rs6000_legitimate_address_p): Add support for ISA 3.0 vector
4753         d-form instructions.
4754         (rs6000_secondary_reload_memory): Add support for ISA 3.0 vector
4755         d-form instructions.  Distinguish different cases in debug
4756         output. (rs6000_secondary_reload_inner): Add support for ISA 3.0 vector
4757         d-form instructions.
4758         (rs6000_preferred_reload_class): Likewise.
4759         (rs6000_output_move_128bit): Add support for ISA 3.0 d-form
4760         instructions.  If ISA 3.0 is available, generate lxvx/stxvx instead
4761         of the ISA 2.06 indexed memory instructions.
4762         (rs6000_emit_prologue): If we have ISA 3.0 d-form instructions,
4763         use them to save/restore the saved vector registers instead of
4764         using Altivec instructions.
4765         (rs6000_emit_epilogue): Likewise.
4766         (rs6000_lra_p): Use TARGET_LRA instead of the old option word.
4767         (rs6000_opt_masks): Split -mpower9-dform into
4768         -mpower9-dform-scalar and -mpower9-dform-vector.
4769         (rs6000_print_options_internal): Print -mno-<switch> if <switch>
4770         was not selected.
4771         * config/rs6000/vsx.md (p9_vecload_<mode>): Delete hack to emit
4772         ISA 3.0 vector indexed memory instructions, and fold the code into
4773         the normal mov<mode> patterns.
4774         (p9_vecstore_<mode>): Likewise.
4775         (vsx_mov<mode>): Add support for ISA 3.0 vector d-form
4776         instructions.
4777         (vsx_movti_64bit): Likewise.
4778         (vsx_movti_32bit): Likewise.
4779         * config/rs6000/constraints.md (wO constraint): New constraint for
4780         ISA 3.0 vector d-form support.
4781         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Use
4782         -mpower9-dform-scalar instead of -mpower9-dform.  Add note not to
4783         include -mpower9-dform-vector until we switch over to LRA.
4784         (POWERPC_MASKS): Add -mlra. Split -mpower9-dform into two.
4785         switches, -mpower9-dform-scalar and -mpower9-dform-vector.
4786         * config/rs6000/rs6000-protos.h (quad_address_p): Add declaration.
4787         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4788         for -mpower9-dform and -mlra.
4789         * doc/md.texi (wO constraint): Document wO constraint.
4790
4791 2016-05-11  Alexander Monakov  <amonakov@ispras.ru>
4792
4793         * genattr.c (main): Change 'rtx' to 'rtx_insn *' in prototypes of
4794         'insn_latency', 'maximal_insn_latency', 'min_insn_conflict_delay'.
4795         * genautomata.c (output_internal_insn_code_evaluation): Simplify.
4796         Move handling of non-insn arguments inline into the sole user:
4797         (output_trans_func): ...here.
4798         (output_min_insn_conflict_delay_func): Change 'rtx' to 'rtx_insn *'
4799         in emitted function prototype.
4800         (output_internal_insn_latency_func): Ditto.  Simplify.
4801         (output_internal_maximal_insn_latency_func): Ditto.  Delete
4802         always-unused argument.
4803         (output_insn_latency_func): Ditto.
4804         (output_maximal_insn_latency_func): Ditto.
4805
4806 2016-05-11  Richard Biener  <rguenther@suse.de>
4807
4808         PR tree-optimization/71055
4809         * tree-ssa-sccvn.c (vn_reference_lookup_3): When native-interpreting
4810         sth with precision not equal to access size verify we don't chop
4811         off bits.
4812
4813 2016-05-11  Richard Biener  <rguenther@suse.de>
4814
4815         PR debug/71057
4816         * dwarf2out.c (retry_incomplete_types): Set early_dwarf.
4817         (dwarf2out_finish): Move retry_incomplete_types call ...
4818         (dwarf2out_early_finish): ... here.
4819
4820 2016-05-11  Richard Biener  <rguenther@suse.de>
4821
4822         PR middle-end/71002
4823         * alias.c (reference_alias_ptr_type): Preserve alias-set zero
4824         if the langhook insists on it.
4825         * fold-const.c (make_bit_field_ref): Add arg for the original
4826         reference and preserve its alias-set.
4827         (decode_field_reference): Take exp by reference and adjust it
4828         to the original memory reference.
4829         (optimize_bit_field_compare): Adjust callers.
4830         (fold_truth_andor_1): Likewise.
4831         * gimplify.c (gimplify_expr): Adjust in-SSA form test.
4832
4833 2016-05-11  Ilya Enkovich  <ilya.enkovich@intel.com>
4834
4835         PR middle-end/70807
4836         * cfgrtl.h (delete_insn_and_edges): Now return bool.
4837         * cfgrtl.c (delete_insn_and_edges): Likewise.
4838         * config/i386/i386.c (convert_scalars_to_vector): Remove
4839         redundant code.
4840         * cse.c (cse_insn): Compute cse_cfg_altered.
4841         (delete_trivially_dead_insns): Likewise.
4842         (cse_cc_succs): Likewise.
4843         (rest_of_handle_cse): Free dominance info if required.
4844         (rest_of_handle_cse2): Likewise.
4845         (rest_of_handle_cse_after_global_opts): Likewise.
4846
4847 2016-05-11  Alan Modra  <amodra@gmail.com>
4848
4849         * config/rs6000/rs6000.c (is_complex_IBM_long_double,
4850         abi_v4_pass_in_fpr): New functions.
4851         (rs6000_function_arg_boundary): Exclude complex IBM long double
4852         from 64-bit alignment when ABI_V4.
4853         (rs6000_function_arg, rs6000_function_arg_advance_1,
4854         rs6000_gimplify_va_arg): Use abi_v4_pass_in_fpr.
4855
4856 2016-05-10  Segher Boessenkool  <segher@kernel.crashing.org>
4857
4858         PR rtl-optimization/71028
4859         * cfgcleanup.c (try_optimize_cfg): Do not flip a conditional
4860         jump with just a return in the fallthrough block if the branch
4861         block contains just a return as well.
4862
4863 2016-05-10  Marc Glisse  <marc.glisse@inria.fr>
4864
4865         * fold-const.c (fold_binary_loc) [(X ^ Y) & Y]: Remove and merge with...
4866         * match.pd ((X & Y) ^ Y): ... this.
4867         ((X & Y) & Y, (X | Y) | Y, (X ^ Y) ^ Y, (X & Y) & (X & Z), (X | Y)
4868         | (X | Z), (X ^ Y) ^ (X ^ Z)): New transformations.
4869
4870 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4871
4872         * read-md.c (require_char_ws): New function.
4873         (read_string): Simplify using require_char_ws.
4874         (handle_constants): Likewise.
4875         (handle_enum): Likewise.
4876         (handle_file): Likewise.
4877         * read-md.h (require_char_ws): New declaration.
4878         * read-rtl.c (read_conditions): Simplify using require_char_ws.
4879         (read_mapping): Likewise.
4880         (read_rtx_code): Likewise.
4881         (read_nested_rtx): Likewise.
4882
4883 2016-05-10  James Norris  <jnorris@codesourcery.com>
4884
4885         * config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
4886         if offloading is enabled and -fopenacc or -fopenmp is specified.
4887         (CRTOFFLOADEND): Likewise.
4888         (STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
4889         (ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
4890
4891 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
4892
4893         * config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit
4894         gotoff_operand code paths.  Use copy_to_suggested_regs and
4895         expand_simple_binop where appropriate.  Cleanup.
4896
4897 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4898
4899         PR target/70799
4900         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p): Allow
4901         integer constants.
4902         (dimode_scalar_chain::vector_const_cost): New.
4903         (dimode_scalar_chain::compute_convert_gain): Handle constants.
4904         (dimode_scalar_chain::convert_op): Likewise.
4905         (dimode_scalar_chain::convert_insn): Likewise.
4906
4907 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
4908
4909         * dwarf2out.c (resolve_args_picking_1): Consider DW_OP_neg as an
4910         unary operation, not a binary one.
4911
4912 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4913
4914         PR middle-end/70877
4915         * tree-chkp.c (chkp_add_bounds_to_call_stmt): Handle
4916         calls with type casted fndecl.
4917
4918 2016-05-10  Ilya Enkovich  <ilya.enkovich@intel.com>
4919
4920         PR tree-optimization/70786
4921         * tree-chkp.c (chkp_find_bounds_1): Support WITH_SIZE_EXPR.
4922         * calls.c (initialize_argument_information): Bind bounds
4923         with corresponding args passed by reference.
4924
4925 2016-05-10  Jakub Jelinek  <jakub@redhat.com>
4926
4927         PR target/70927
4928         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>),
4929         *<code><mode>3<mask_name>): For !TARGET_AVX512DQ and EVEX encoding,
4930         use vp*[dq] instead of v*p[sd] instructions and adjust mode attribute
4931         accordingly.
4932
4933 2016-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4934
4935         PR target/70963
4936         * config/rs6000/vsx.md (vsx_xvcvdpsxds_scale): Generate correct
4937         code for a zero scale factor.
4938         (vsx_xvcvdpuxds_scale): Likewise.
4939
4940 2016-05-10  David Malcolm  <dmalcolm@redhat.com>
4941
4942         * diagnostic-show-locus.c (layout::layout): Call show_ruler
4943         if show_ruler_p was set on the context.
4944         (layout::show_ruler): New method.
4945         * diagnostic.h (struct diagnostic_context): Add field
4946         "show_ruler_p".
4947
4948 2016-05-10  Richard Biener  <rguenther@suse.de>
4949
4950         PR tree-optimization/71039
4951         * tree-ssa-phiprop.c: Include tree-ssa-loop.h.
4952         (chk_uses): New function.
4953         (propagate_with_phi): Verify we can safely replicate the lhs of an
4954         aggregate assignment on all incoming edges.
4955
4956 2016-05-10  Oleg Endo  <olegendo@gcc.gnu.org>
4957
4958         * config/rx/rx-protos.h (is_interrupt_func, is_fast_interrupt_func):
4959         Forward declare.
4960         (rx_atomic_sequence): New class.
4961         * config/rx/rx.c (rx_print_operand): Use symbolic names for PSW bits.
4962         (is_interrupt_func, is_fast_interrupt_func): Make non-static and
4963         non-inline.
4964         (rx_atomic_sequence::rx_atomic_sequence,
4965         rx_atomic_sequence::~rx_atomic_sequence): New functions.
4966         * config/rx/rx.md (CTRLREG_PSW, CTRLREG_USP, CTRLREG_FPSW, CTRLREG_CPEN,
4967         CTRLREG_BPSW, CTRLREG_BPC, CTRLREG_ISP, CTRLREG_FINTV,
4968         CTRLREG_INTB): New constants.
4969         (FETCHOP): New code iterator.
4970         (fethcop_name, fetchop_name2): New iterator code attributes.
4971         (QIHI): New mode iterator.
4972         (atomic_exchange<mode>, atomic_exchangesi, xchg_mem<mode>,
4973         atomic_fetch_<fetchop_name>si, atomic_fetch_nandsi,
4974         atomic_<fetchop_name>_fetchsi, atomic_nand_fetchsi): New patterns.
4975
4976 2016-05-10  Martin Liska  <mliska@suse.cz>
4977
4978         * tree-inline.c (remap_dependence_clique): Do not remap
4979         debugging statements.
4980
4981 2016-05-10  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4982
4983         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly")
4984         ("*fixuns_truncdfdi2_z13")
4985         ("*fixuns_trunc<FP:mode><GPR:mode>2_z196")
4986         ("*fix_truncdfdi2_bfp_z13", "*floatunsdidf2_z13")
4987         ("*extendsfdf2_z13"): Replace TARGET_Z13 with TARGET_VX.
4988
4989 2016-05-10  Richard Biener  <rguenther@suse.de>
4990
4991         PR tree-optimization/70497
4992         PR tree-optimization/28367
4993         * tree-ssa-sccvn.c (vn_nary_build_or_lookup): New function
4994         split out from ...
4995         (visit_reference_op_load): ... here.
4996         (vn_reference_lookup_3): Use it to handle subreg-like accesses
4997         with simplified BIT_FIELD_REFs.
4998         * tree-ssa-pre.c (eliminate_insert): Handle inserting BIT_FIELD_REFs.
4999         * tree-complex.c (extract_component): Handle BIT_FIELD_REFs
5000         correctly.
5001
5002 2016-05-10  Pierre-Marie de Rodat  <derodat@adacore.com>
5003
5004         * dwarf2out.c (add_abstract_origin_attribute): Adjust
5005         documentation comment.  For BLOCK nodes, add a
5006         DW_AT_abstract_origin attribute that points to the DIE generated
5007         for the origin BLOCK.
5008         (gen_lexical_block_die): Call add_abstract_origin_attribute for
5009         blocks from inlined functions.
5010
5011 2016-05-10  Alan Modra  <amodra@gmail.com>
5012
5013         PR target/70947
5014         * config/rs6000/rs6000.c (rs6000_expand_split_stack_prologue): Stop
5015         regrename modifying insns saving lr before __morestack call.
5016         * config/rs6000/rs6000.md (split_stack_return): Similarly for
5017         insns restoring lr after __morestack call.
5018
5019 2016-05-09  Jakub Jelinek  <jakub@redhat.com>
5020
5021         * config/i386/i386.md (set_got, set_got_labelled, lwp_llwpcb,
5022         lwp_lwpval<mode>3, lwp_lwpins<mode>3): Remove constraints from
5023         expanders.
5024         * config/i386/sse.md (vec_interleave_high<mode>,
5025         vec_interleave_low<mode>, <avx512>_vpermi2var<mode>3_maskz,
5026         <avx512>_vpermt2var<mode>3_maskz): Likewise.
5027
5028 2016-05-04  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
5029
5030         * config/rs6000/rs6000.c (rs6000_reassociation_width): Add
5031         function for TARGET_SCHED_REASSOCIATION_WIDTH to enable
5032         parallel reassociation for power8 and forward.
5033
5034 2016-05-09  Uros Bizjak  <ubizjak@gmail.com>
5035
5036         * config/i386/i386.md (absneg splitters with general regs): Use
5037         general_reg_operand predicate.
5038         (btsq peephole2): Use x86_64_immediate_operand to check if new
5039         value is suitable for immediate operand.  Generate emitted insn
5040         using RTL expressions.
5041         (btcq peephole2): Ditto.
5042         (btrq peephole2): Ditto.  Generate correct immediate operand
5043         for AND masking.
5044
5045 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5046
5047         * cfgexpand.c (expand_debug_expr): Fix address offset for negative
5048         bitpos.
5049
5050 2016-05-09  Richard Sandiford  <richard.sandiford@arm.com>
5051
5052         * tree-affine.c (wide_int_constant_multiple_p): Add missing
5053         pointer dereference.
5054
5055 2016-05-09  Richard Biener  <rguenther@suse.de>
5056
5057         PR tree-optimization/70985
5058         * match.pd (BIT_FIELD_REF -> (type)): Disable on GIMPLE when
5059         op0 isn't a gimple register.
5060
5061 2016-05-09  Prachi Godbole  <prachi.godbole@imgtec.com>
5062
5063         * config/mips/i6400.md (i6400_fpu_intadd, i6400_fpu_logic)
5064         (i6400_fpu_div, i6400_fpu_cmp, i6400_fpu_float, i6400_fpu_store)
5065         (i6400_fpu_long_pipe, i6400_fpu_logic_l, i6400_fpu_float_l)
5066         (i6400_fpu_mult): New cpu units.
5067         (i6400_msa_add_d, i6400_msa_int_add, i6400_msa_short_logic3)
5068         (i6400_msa_short_logic2, i6400_msa_short_logic, i6400_msa_move)
5069         (i6400_msa_cmp, i6400_msa_short_float2, i6400_msa_div_d)
5070         (i6400_msa_div_w, i6400_msa_div_h, i6400_msa_div_b)
5071         (i6400_msa_copy, i6400_msa_branch, i6400_fpu_msa_store)
5072         (i6400_fpu_msa_load, i6400_fpu_msa_move, i6400_msa_long_logic1)
5073         (i6400_msa_long_logic2, i6400_msa_mult, i6400_msa_long_float2)
5074         (i6400_msa_long_float4, i6400_msa_long_float5)
5075         (i6400_msa_long_float8, i6400_msa_fdiv_df)
5076         (i6400_msa_fdiv_sf): New reservations.
5077         * config/mips/p5600.md (p5600_fpu_intadd, p5600_fpu_cmp)
5078         (p5600_fpu_float, p5600_fpu_logic_a, p5600_fpu_logic_b)
5079         (p5600_fpu_div, p5600_fpu_logic, p5600_fpu_float_a)
5080         (p5600_fpu_float_b, p5600_fpu_float_c, p5600_fpu_float_d)
5081         (p5600_fpu_mult, p5600_fpu_fdiv, p5600_fpu_load): New cpu units.
5082         (msa_short_int_add, msa_short_logic, msa_short_logic_move_v)
5083         (msa_short_cmp, msa_short_float2, msa_short_logic3)
5084         (msa_short_store4, msa_long_load, msa_short_store)
5085         (msa_long_logic, msa_long_float2, msa_long_float4)
5086         (msa_long_float5, msa_long_float8, msa_long_mult)
5087         (msa_long_fdiv, msa_long_div): New reservations.
5088
5089 2016-05-09  Robert Suchanek  <robert.suchanek@imgtec.com>
5090             Sameera Deshpande  <sameera.deshpande@imgtec.com>
5091             Matthew Fortune  <matthew.fortune@imgtec.com>
5092             Graham Stott  <graham.stott@imgtec.com>
5093             Chao-ying Fu  <chao-ying.fu@imgtec.com>
5094
5095         * config.gcc: Add MSA header file for mips*-*-* target.
5096         * config/mips/constraints.md (YI, YC, YZ, Unv5, Uuv5, Usv5, Uuv6)
5097         (Ubv8i, Urv8):  New constraints.
5098         * config/mips/mips-ftypes.def: Add function types for MSA
5099         builtins.
5100         * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V2DI, V4SF)
5101         (V2DF, V32QI, V16HI, V8SI, V4DI, V8SF, V4DF): New modes.
5102         * config/mips/mips-msa.md: New file.
5103         * config/mips/mips-protos.h
5104         (mips_split_128bit_const_insns): New prototype.
5105         (mips_msa_idiv_insns): Likewise.
5106         (mips_split_128bit_move): Likewise.
5107         (mips_split_128bit_move_p): Likewise.
5108         (mips_split_msa_copy_d): Likewise.
5109         (mips_split_msa_insert_d): Likewise.
5110         (mips_split_msa_fill_d): Likewise.
5111         (mips_expand_msa_branch): Likewise.
5112         (mips_const_vector_same_val_p): Likewise.
5113         (mips_const_vector_same_bytes_p): Likewise.
5114         (mips_const_vector_same_int_p): Likewise.
5115         (mips_const_vector_shuffle_set_p): Likewise.
5116         (mips_const_vector_bitimm_set_p): Likewise.
5117         (mips_const_vector_bitimm_clr_p): Likewise.
5118         (mips_msa_vec_parallel_const_half): Likewise.
5119         (mips_msa_output_division): Likewise.
5120         (mips_ldst_scaled_shift): Likewise.
5121         (mips_expand_vec_cond_expr): Likewise.
5122         * config/mips/mips.c (enum mips_builtin_type): Add
5123         MIPS_BUILTIN_MSA_TEST_BRANCH.
5124         (mips_gen_const_int_vector_shuffle): New prototype.
5125         (mips_const_vector_bitimm_set_p): New function.
5126         (mips_const_vector_bitimm_clr_p): Likewise.
5127         (mips_const_vector_same_val_p): Likewise.
5128         (mips_const_vector_same_bytes_p): Likewise.
5129         (mips_const_vector_same_int_p): Likewise.
5130         (mips_const_vector_shuffle_set_p): Likewise.
5131         (mips_symbol_insns): Forbid loading symbols via immediate for
5132         MSA.
5133         (mips_valid_offset_p): Limit offset to 10-bit for MSA loads and
5134         stores.
5135         (mips_valid_lo_sum_p): Forbid loadings symbols via %lo(base) for
5136         MSA.
5137         (mips_lx_address_p): Add support load indexed address for MSA.
5138         (mips_address_insns): Add calculation of instructions needed for
5139         stores and loads for MSA.
5140         (mips_const_insns): Move CONST_DOUBLE below CONST_VECTOR.  Handle
5141         CONST_VECTOR for MSA and let it fall through.
5142         (mips_ldst_scaled_shift): New function.
5143         (mips_subword_at_byte): Likewise.
5144         (mips_msa_idiv_insns): Likewise.
5145         (mips_legitimize_move): Validate MSA moves.
5146         (mips_rtx_costs): Add UNGE, UNGT, UNLE, UNLT cases.  Add
5147         calculation of costs for MSA division.
5148         (mips_split_move_p): Check if MSA moves need splitting.
5149         (mips_split_move): Split MSA moves if necessary.
5150         (mips_split_128bit_move_p): New function.
5151         (mips_split_128bit_move): Likewise.
5152         (mips_split_msa_copy_d): Likewise.
5153         (mips_split_msa_insert_d): Likewise.
5154         (mips_split_msa_fill_d): Likewise.
5155         (mips_output_move): Handle MSA moves.
5156         (mips_expand_msa_branch): New function.
5157         (mips_print_operand): Add 'E', 'B', 'w', 'v' and 'V' modifiers.
5158         Reinstate 'y' modifier.
5159         (mips_file_start): Add MSA .gnu_attribute.
5160         (mips_hard_regno_mode_ok_p): Allow TImode and 128-bit vectors in
5161         FPRs.
5162         (mips_hard_regno_nregs): Always return 1 for MSA supported mode.
5163         (mips_class_max_nregs): Add register size for MSA supported mode.
5164         (mips_cannot_change_mode_class): Allow conversion between MSA
5165         vector modes and TImode.
5166         (mips_mode_ok_for_mov_fmt_p): Allow MSA to use move.v
5167         instruction.
5168         (mips_secondary_reload_class): Force MSA loads/stores via memory.
5169         (mips_preferred_simd_mode): Add preffered modes for MSA.
5170         (mips_vector_mode_supported_p): Add MSA supported modes.
5171         (mips_autovectorize_vector_sizes): New function.
5172         (mips_msa_output_division): Likewise.
5173         (MSA_BUILTIN, MIPS_BUILTIN_DIRECT_NO_TARGET)
5174         (MSA_NO_TARGET_BUILTIN, MSA_BUILTIN_TEST_BRANCH): New macros.
5175         (CODE_FOR_msa_adds_s_b, CODE_FOR_msa_adds_s_h)
5176         (CODE_FOR_msa_adds_s_w, CODE_FOR_msa_adds_s_d)
5177         (CODE_FOR_msa_adds_u_b, CODE_FOR_msa_adds_u_h)
5178         (CODE_FOR_msa_adds_u_w, CODE_FOR_msa_adds_u_du
5179         (CODE_FOR_msa_addv_b, CODE_FOR_msa_addv_h, CODE_FOR_msa_addv_w)
5180         (CODE_FOR_msa_addv_d, CODE_FOR_msa_and_v, CODE_FOR_msa_bmnz_v)
5181         (CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bmz_v, CODE_FOR_msa_bmzi_b)
5182         (CODE_FOR_msa_bnz_v, CODE_FOR_msa_bz_v, CODE_FOR_msa_bsel_v)
5183         (CODE_FOR_msa_bseli_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w)
5184         (CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b)
5185         (CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w)
5186         (CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clti_u_b)
5187         (CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w)
5188         (CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_s_b)
5189         (CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w)
5190         (CODE_FOR_msa_clei_s_d, CODE_FOR_msa_clei_u_b)
5191         (CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w)
5192         (CODE_FOR_msa_clei_u_d, CODE_FOR_msa_div_s_b)
5193         (CODE_FOR_msa_div_s_h, CODE_FOR_msa_div_s_w)
5194         (CODE_FOR_msa_div_s_d, CODE_FOR_msa_div_u_b)
5195         (CODE_FOR_msa_div_u_h, CODE_FOR_msa_div_u_w)
5196         (CODE_FOR_msa_div_u_d, CODE_FOR_msa_fadd_w, CODE_FOR_msa_fadd_d)
5197         (CODE_FOR_msa_fexdo_w, CODE_FOR_msa_ftrunc_s_w)
5198         (CODE_FOR_msa_ftrunc_s_d, CODE_FOR_msa_ftrunc_u_w)
5199         (CODE_FOR_msa_ftrunc_u_d, CODE_FOR_msa_ffint_s_w)
5200         (CODE_FOR_msa_ffint_s_d, CODE_FOR_msa_ffint_u_w)
5201         (CODE_FOR_msa_ffint_u_d, CODE_FOR_msa_fsub_w)
5202         (CODE_FOR_msa_fsub_d, CODE_FOR_msa_fmsub_d, CODE_FOR_msa_fmadd_w)
5203         (CODE_FOR_msa_fmadd_d, CODE_FOR_msa_fmsub_w, CODE_FOR_msa_fmul_w)
5204         (CODE_FOR_msa_fmul_d, CODE_FOR_msa_fdiv_w, CODE_FOR_msa_fdiv_d)
5205         (CODE_FOR_msa_fmax_w, CODE_FOR_msa_fmax_d, CODE_FOR_msa_fmax_a_w)
5206         (CODE_FOR_msa_fmax_a_d, CODE_FOR_msa_fmin_w, CODE_FOR_msa_fmin_d)
5207         (CODE_FOR_msa_fmin_a_w, CODE_FOR_msa_fmin_a_d)
5208         (CODE_FOR_msa_fsqrt_w, CODE_FOR_msa_fsqrt_d)
5209         (CODE_FOR_msa_max_s_b, CODE_FOR_msa_max_s_h)
5210         (CODE_FOR_msa_max_s_w, CODE_FOR_msa_max_s_d)
5211         (CODE_FOR_msa_max_u_b, CODE_FOR_msa_max_u_h)
5212         (CODE_FOR_msa_max_u_w, CODE_FOR_msa_max_u_d)
5213         (CODE_FOR_msa_min_s_b, CODE_FOR_msa_min_s_h)
5214         (CODE_FOR_msa_min_s_w, CODE_FOR_msa_min_s_d)
5215         (CODE_FOR_msa_min_u_b, CODE_FOR_msa_min_u_h)
5216         (CODE_FOR_msa_min_u_w, CODE_FOR_msa_min_u_d)
5217         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5218         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5219         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5220         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5221         (CODE_FOR_msa_mod_s_b, CODE_FOR_msa_mod_s_h)
5222         (CODE_FOR_msa_mod_s_w, CODE_FOR_msa_mod_s_d)
5223         (CODE_FOR_msa_mod_u_b, CODE_FOR_msa_mod_u_h)
5224         (CODE_FOR_msa_mod_u_w, CODE_FOR_msa_mod_u_d)
5225         (CODE_FOR_msa_mulv_b, CODE_FOR_msa_mulv_h, CODE_FOR_msa_mulv_w)
5226         (CODE_FOR_msa_mulv_d, CODE_FOR_msa_nlzc_b, CODE_FOR_msa_nlzc_h)
5227         (CODE_FOR_msa_nlzc_w, CODE_FOR_msa_nlzc_d, CODE_FOR_msa_nor_v)
5228         (CODE_FOR_msa_or_v, CODE_FOR_msa_ori_b, CODE_FOR_msa_nori_b)
5229         (CODE_FOR_msa_pcnt_b, CODE_FOR_msa_pcnt_h, CODE_FOR_msa_pcnt_w)
5230         (CODE_FOR_msa_pcnt_d, CODE_FOR_msa_xor_v, CODE_FOR_msa_xori_b)
5231         (CODE_FOR_msa_sll_b, CODE_FOR_msa_sll_h, CODE_FOR_msa_sll_w)
5232         (CODE_FOR_msa_sll_d, CODE_FOR_msa_slli_b, CODE_FOR_msa_slli_h)
5233         (CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d, CODE_FOR_msa_sra_b)
5234         (CODE_FOR_msa_sra_h, CODE_FOR_msa_sra_w, CODE_FOR_msa_sra_d)
5235         (CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w)
5236         (CODE_FOR_msa_srai_d, CODE_FOR_msa_srl_b, CODE_FOR_msa_srl_h)
5237         (CODE_FOR_msa_srl_w, CODE_FOR_msa_srl_d, CODE_FOR_msa_srli_b)
5238         (CODE_FOR_msa_srli_h, CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d)
5239         (CODE_FOR_msa_subv_b, CODE_FOR_msa_subv_h, CODE_FOR_msa_subv_w)
5240         (CODE_FOR_msa_subv_d, CODE_FOR_msa_subvi_b, CODE_FOR_msa_subvi_h)
5241         (CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d, CODE_FOR_msa_move_v)
5242         (CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h, CODE_FOR_msa_vshf_w)
5243         (CODE_FOR_msa_vshf_d, CODE_FOR_msa_ilvod_d, CODE_FOR_msa_ilvev_d)
5244         (CODE_FOR_msa_pckod_d, CODE_FOR_msa_pckdev_d, CODE_FOR_msa_ldi_b)
5245         (CODE_FOR_msa_ldi_hi, CODE_FOR_msa_ldi_w)
5246         (CODE_FOR_msa_ldi_d): New code_aliasing macros.
5247         (mips_builtins): Add MSA sll_b, sll_h, sll_w, sll_d, slli_b,
5248         slli_h, slli_w, slli_d, sra_b, sra_h, sra_w, sra_d, srai_b,
5249         srai_h, srai_w, srai_d, srar_b, srar_h, srar_w, srar_d, srari_b,
5250         srari_h, srari_w, srari_d, srl_b, srl_h, srl_w, srl_d, srli_b,
5251         srli_h, srli_w, srli_d, srlr_b, srlr_h, srlr_w, srlr_d, srlri_b,
5252         srlri_h, srlri_w, srlri_d, bclr_b, bclr_h, bclr_w, bclr_d,
5253         bclri_b, bclri_h, bclri_w, bclri_d, bset_b, bset_h, bset_w,
5254         bset_d, bseti_b, bseti_h, bseti_w, bseti_d, bneg_b, bneg_h,
5255         bneg_w, bneg_d, bnegi_b, bnegi_h, bnegi_w, bnegi_d, binsl_b,
5256         binsl_h, binsl_w, binsl_d, binsli_b, binsli_h, binsli_w,
5257         binsli_d, binsr_b, binsr_h, binsr_w, binsr_d, binsri_b, binsri_h,
5258         binsri_w, binsri_d, addv_b, addv_h, addv_w, addv_d, addvi_b,
5259         addvi_h, addvi_w, addvi_d, subv_b, subv_h, subv_w, subv_d,
5260         subvi_b, subvi_h, subvi_w, subvi_d, max_s_b, max_s_h, max_s_w,
5261         max_s_d, maxi_s_b, maxi_s_h, maxi_s_w, maxi_s_d, max_u_b,
5262         max_u_h, max_u_w, max_u_d, maxi_u_b, maxi_u_h, maxi_u_w,
5263         maxi_u_d, min_s_b, min_s_h, min_s_w, min_s_d, mini_s_b, mini_s_h,
5264         mini_s_w, mini_s_d, min_u_b, min_u_h, min_u_w, min_u_d, mini_u_b,
5265         mini_u_h, mini_u_w, mini_u_d, max_a_b, max_a_h, max_a_w, max_a_d,
5266         min_a_b, min_a_h, min_a_w, min_a_d, ceq_b, ceq_h, ceq_w, ceq_d,
5267         ceqi_b, ceqi_h, ceqi_w, ceqi_d, clt_s_b, clt_s_h, clt_s_w,
5268         clt_s_d, clti_s_b, clti_s_h, clti_s_w, clti_s_d, clt_u_b,
5269         clt_u_h, clt_u_w, clt_u_d, clti_u_b, clti_u_h, clti_u_w,
5270         clti_u_d, cle_s_b, cle_s_h, cle_s_w, cle_s_d, clei_s_b, clei_s_h,
5271         clei_s_w, clei_s_d, cle_u_b, cle_u_h, cle_u_w, cle_u_d, clei_u_b,
5272         clei_u_h, clei_u_w, clei_u_d, ld_b, ld_h, ld_w, ld_d, st_b, st_h,
5273         st_w, st_d, sat_s_b, sat_s_h, sat_s_w, sat_s_d, sat_u_b, sat_u_h,
5274         sat_u_w, sat_u_d, add_a_b, add_a_h, add_a_w, add_a_d, adds_a_b,
5275         adds_a_h, adds_a_w, adds_a_d, adds_s_b, adds_s_h, adds_s_w,
5276         adds_s_d, adds_u_b, adds_u_h, adds_u_w, adds_u_d, ave_s_b,
5277         ave_s_h, ave_s_w, ave_s_d, ave_u_b, ave_u_h, ave_u_w, ave_u_d,
5278         aver_s_b, aver_s_h, aver_s_w, aver_s_d, aver_u_b, aver_u_h,
5279         aver_u_w, aver_u_d, subs_s_b, subs_s_h, subs_s_w, subs_s_d,
5280         subs_u_b, subs_u_h, subs_u_w, subs_u_d, subsuu_s_b, subsuu_s_h,
5281         subsuu_s_w, subsuu_s_d, subsus_u_b, subsus_u_h, subsus_u_w,
5282         subsus_u_d, asub_s_b, asub_s_h, asub_s_w, asub_s_d, asub_u_b,
5283         asub_u_h, asub_u_w, asub_u_d, mulv_b, mulv_h, mulv_w, mulv_d,
5284         maddv_b, maddv_h, maddv_w, maddv_d, msubv_b, msubv_h, msubv_w,
5285         msubv_d, div_s_b, div_s_h, div_s_w, div_s_d, div_u_b, div_u_h,
5286         div_u_w, div_u_d, hadd_s_h, hadd_s_w, hadd_s_d, hadd_u_h,
5287         hadd_u_w, hadd_u_d, hsub_s_h, hsub_s_w, hsub_s_d, hsub_u_h,
5288         hsub_u_w, hsub_u_d, mod_s_b, mod_s_h, mod_s_w, mod_s_d, mod_u_b,
5289         mod_u_h, mod_u_w, mod_u_d, dotp_s_h, dotp_s_w, dotp_s_d,
5290         dotp_u_h, dotp_u_w, dotp_u_d, dpadd_s_h, dpadd_s_w, dpadd_s_d,
5291         dpadd_u_h, dpadd_u_w, dpadd_u_d, dpsub_s_h, dpsub_s_w, dpsub_s_d,
5292         dpsub_u_h, dpsub_u_w, dpsub_u_d, sld_b, sld_h, sld_w, sld_d,
5293         sldi_b, sldi_h, sldi_w, sldi_d, splat_b, splat_h, splat_w,
5294         splat_d, splati_b, splati_h, splati_w, splati_d, pckev_b,
5295         pckev_h, pckev_w, pckev_d, pckod_b, pckod_h, pckod_w, pckod_d,
5296         ilvl_b, ilvl_h, ilvl_w, ilvl_d, ilvr_b, ilvr_h, ilvr_w, ilvr_d,
5297         ilvev_b, ilvev_h, ilvev_w, ilvev_d, ilvod_b, ilvod_h, ilvod_w,
5298         ilvod_d, vshf_b, vshf_h, vshf_w, vshf_d, and_v, andi_b, or_v,
5299         ori_b, nor_v, nori_b, xor_v, xori_b, bmnz_v, bmnzi_b, bmz_v,
5300         bmzi_b, bsel_v, bseli_b, shf_b, shf_h, shf_w, bnz_v, bz_v,
5301         fill_b, fill_h, fill_w, fill_d, pcnt_b, pcnt_h, pcnt_w,
5302         pcnt_d, nloc_b, nloc_h, nloc_w, nloc_d, nlzc_b, nlzc_h, nlzc_w,
5303         nlzc_d, copy_s_b, copy_s_h, copy_s_w, copy_s_d, copy_u_b,
5304         copy_u_h, copy_u_w, copy_u_d, insert_b, insert_h, insert_w,
5305         insert_d, insve_b, insve_h, insve_w, insve_d, bnz_b, bnz_h,
5306         bnz_w, bnz_d, bz_b, bz_h, bz_w, bz_d, ldi_b, ldi_h, ldi_w, ldi_d,
5307         fcaf_w, fcaf_d, fcor_w, fcor_d, fcun_w, fcun_d, fcune_w, fcune_d,
5308         fcueq_w, fcueq_d, fceq_w, fceq_d, fcne_w, fcne_d, fclt_w, fclt_d,
5309         fcult_w, fcult_d, fcle_w, fcle_d, fcule_w, fcule_d, fsaf_w,
5310         fsaf_d, fsor_w, fsor_d, fsun_w, fsun_d, fsune_w, fsune_d,
5311         fsueq_w, fsueq_d, fseq_w, fseq_d, fsne_w, fsne_d, fslt_w,
5312         fslt_d, fsult_w, fsult_d, fsle_w, fsle_d, fsule_w, fsule_d,
5313         fadd_w, fadd_d, fsub_w, fsub_d, fmul_w, fmul_d, fdiv_w, fdiv_d,
5314         fmadd_w, fmadd_d, fmsub_w, fmsub_d, fexp2_w, fexp2_d, fexdo_h,
5315         fexdo_w, ftq_h, ftq_w, fmin_w, fmin_d, fmin_a_w, fmin_a_d,
5316         fmax_w, fmax_d, fmax_a_w, fmax_a_d, mul_q_h, mul_q_w, mulr_q_h,
5317         mulr_q_w, madd_q_h, madd_q_w, maddr_q_h, maddr_q_w, msub_q_h,
5318         msub_q_w, msubr_q_h, msubr_q_w, fclass_w, fclass_d, fsqrt_w,
5319         fsqrt_d, frcp_w, frcp_d, frint_w, frint_d, frsqrt_w, frsqrt_d,
5320         flog2_w, flog2_d, fexupl_w, fexupl_d, fexupr_w, fexupr_d, ffql_w,
5321         ffql_d, ffqr_w, ffqr_d, ftint_s_w, ftint_s_d, ftint_u_w,
5322         ftint_u_d, ftrunc_s_w, ftrunc_s_d, ftrunc_u_w, ftrunc_u_d,
5323         ffint_s_w, ffint_s_d, ffint_u_w, ffint_u_d, ctcmsa, cfcmsa,
5324         move_v builtins.
5325         (mips_get_builtin_decl_index): New array.
5326         (MIPS_ATYPE_QI, MIPS_ATYPE_HI, MIPS_ATYPE_V2DI, MIPS_ATYPE_V4SI)
5327         (MIPS_ATYPE_V8HI, MIPS_ATYPE_V16QI, MIPS_ATYPE_V2DF)
5328         (MIPS_ATYPE_V4SF, MIPS_ATYPE_UV2DI, MIPS_ATYPE_UV4SI)
5329         (MIPS_ATYPE_UV8HI, MIPS_ATYPE_UV16QI): New.
5330         (mips_init_builtins): Initialize mips_get_builtin_decl_index
5331         array.
5332         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5333         hook.
5334         (mips_expand_builtin_insn): Prepare operands for
5335         CODE_FOR_msa_addvi_b, CODE_FOR_msa_addvi_h, CODE_FOR_msa_addvi_w,
5336         CODE_FOR_msa_addvi_d, CODE_FOR_msa_clti_u_b,
5337         CODE_FOR_msa_clti_u_h, CODE_FOR_msa_clti_u_w,
5338         CODE_FOR_msa_clti_u_d, CODE_FOR_msa_clei_u_b,
5339         CODE_FOR_msa_clei_u_h, CODE_FOR_msa_clei_u_w,
5340         CODE_FOR_msa_clei_u_d, CODE_FOR_msa_maxi_u_b,
5341         CODE_FOR_msa_maxi_u_h, CODE_FOR_msa_maxi_u_w,
5342         CODE_FOR_msa_maxi_u_d, CODE_FOR_msa_mini_u_b,
5343         CODE_FOR_msa_mini_u_h, CODE_FOR_msa_mini_u_w,
5344         CODE_FOR_msa_mini_u_d, CODE_FOR_msa_subvi_b,
5345         CODE_FOR_msa_subvi_h, CODE_FOR_msa_subvi_w, CODE_FOR_msa_subvi_d,
5346         CODE_FOR_msa_ceqi_b, CODE_FOR_msa_ceqi_h, CODE_FOR_msa_ceqi_w,
5347         CODE_FOR_msa_ceqi_d, CODE_FOR_msa_clti_s_b,
5348         CODE_FOR_msa_clti_s_h, CODE_FOR_msa_clti_s_w,
5349         CODE_FOR_msa_clti_s_d, CODE_FOR_msa_clei_s_b,
5350         CODE_FOR_msa_clei_s_h, CODE_FOR_msa_clei_s_w,
5351         CODE_FOR_msa_clei_s_d, CODE_FOR_msa_maxi_s_b,
5352         CODE_FOR_msa_maxi_s_h, CODE_FOR_msa_maxi_s_w,
5353         CODE_FOR_msa_maxi_s_d, CODE_FOR_msa_mini_s_b,
5354         CODE_FOR_msa_mini_s_h, CODE_FOR_msa_mini_s_w,
5355         CODE_FOR_msa_mini_s_d, CODE_FOR_msa_andi_b, CODE_FOR_msa_ori_b,
5356         CODE_FOR_msa_nori_b, CODE_FOR_msa_xori_b, CODE_FOR_msa_bmzi_b,
5357         CODE_FOR_msa_bmnzi_b, CODE_FOR_msa_bseli_b, CODE_FOR_msa_fill_b,
5358         CODE_FOR_msa_fill_h, CODE_FOR_msa_fill_w, CODE_FOR_msa_fill_d,
5359         CODE_FOR_msa_ilvl_b, CODE_FOR_msa_ilvl_h, CODE_FOR_msa_ilvl_w,
5360         CODE_FOR_msa_ilvl_d, CODE_FOR_msa_ilvr_b, CODE_FOR_msa_ilvr_h,
5361         CODE_FOR_msa_ilvr_w, CODE_FOR_msa_ilvr_d, CODE_FOR_msa_ilvev_b,
5362         CODE_FOR_msa_ilvev_h, CODE_FOR_msa_ilvev_w, CODE_FOR_msa_ilvod_b,
5363         CODE_FOR_msa_ilvod_h, CODE_FOR_msa_ilvod_w, CODE_FOR_msa_pckev_b,
5364         CODE_FOR_msa_pckev_h, CODE_FOR_msa_pckev_w, CODE_FOR_msa_pckod_b,
5365         CODE_FOR_msa_pckod_h, CODE_FOR_msa_pckod_w, CODE_FOR_msa_slli_b,
5366         CODE_FOR_msa_slli_h, CODE_FOR_msa_slli_w, CODE_FOR_msa_slli_d,
5367         CODE_FOR_msa_srai_b, CODE_FOR_msa_srai_h, CODE_FOR_msa_srai_w,
5368         CODE_FOR_msa_srai_d, CODE_FOR_msa_srli_b, CODE_FOR_msa_srli_h,
5369         CODE_FOR_msa_srli_w, CODE_FOR_msa_srli_d, CODE_FOR_msa_insert_b,
5370         CODE_FOR_msa_insert_h, CODE_FOR_msa_insert_w,
5371         CODE_FOR_msa_insert_d, CODE_FOR_msa_insve_b,
5372         CODE_FOR_msa_insve_h, CODE_FOR_msa_insve_w, CODE_FOR_msa_insve_d,
5373         CODE_FOR_msa_shf_b, CODE_FOR_msa_shf_h, CODE_FOR_msa_shf_w,
5374         CODE_FOR_msa_shf_w_f, CODE_FOR_msa_vshf_b, CODE_FOR_msa_vshf_h,
5375         CODE_FOR_msa_vshf_w, CODE_FOR_msa_vshf_d.
5376         (mips_expand_builtin): Add case for MIPS_BULTIN_MSA_TEST_BRANCH.
5377         (mips_set_compression_mode): Disallow MSA with MIPS16 code.
5378         (mips_option_override): -mmsa requires -mfp64 and -mhard-float.
5379         These are set implicitly and an error is reported if overridden.
5380         (mips_expand_builtin_msa_test_branch): New function.
5381         (mips_expand_msa_shuffle): Likewise.
5382         (MAX_VECT_LEN): Increase maximum length of a vector to 16 bytes.
5383         (TARGET_SCHED_REASSOCIATION_WIDTH): Define target hook.
5384         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Likewise.
5385         (mips_expand_vec_unpack): Add support for MSA.
5386         (mips_expand_vector_init): Likewise.
5387         (mips_expand_vi_constant): Use CONST0_RTX (element_mode)
5388         instead of const0_rtx.
5389         (mips_msa_vec_parallel_const_half): New function.
5390         (mips_gen_const_int_vector): Likewise.
5391         (mips_gen_const_int_vector_shuffle): Likewise.
5392         (mips_expand_msa_cmp): Likewise.
5393         (mips_expand_vec_cond_expr): Likewise.
5394         * config/mips/mips.h
5395         (TARGET_CPU_CPP_BUILTINS): Add __mips_msa and __mips_msa_width.
5396         (OPTION_DEFAULT_SPECS): Ignore --with-fp-32 if -mmsa is
5397         specified.
5398         (ASM_SPEC): Pass mmsa and mno-msa to the assembler.
5399         (ISA_HAS_MSA): New macro.
5400         (UNITS_PER_MSA_REG): Likewise.
5401         (BITS_PER_MSA_REG): Likewise.
5402         (BIGGEST_ALIGNMENT): Redefine using ISA_HAS_MSA.
5403         (MSA_REG_FIRST): New macro.
5404         (MSA_REG_LAST): Likewise.
5405         (MSA_REG_NUM): Likewise.
5406         (MSA_REG_P): Likewise.
5407         (MSA_REG_RTX_P): Likewise.
5408         (MSA_SUPPORTED_MODE_P): Likewise.
5409         (HARD_REGNO_CALL_PART_CLOBBERED): Redefine using TARGET_MSA.
5410         (ADDITIONAL_REGISTER_NAMES): Add named registers $w0-$w31.
5411         * config/mips/mips.md: Include mips-msa.md.
5412         (alu_type): Add simd_add.
5413         (mode): Add V2DI, V4SI, V8HI, V16QI, V2DF, V4SF.
5414         (type): Add simd_div, simd_fclass, simd_flog2, simd_fadd,
5415         simd_fcvt, simd_fmul, simd_fmadd, simd_fdiv, simd_bitins,
5416         simd_bitmov, simd_insert, simd_sld, simd_mul, simd_fcmp,
5417         simd_fexp2, simd_int_arith, simd_bit, simd_shift, simd_splat,
5418         simd_fill, simd_permute, simd_shf, simd_sat, simd_pcnt,
5419         simd_copy, simd_branch, simd_cmsa, simd_fminmax, simd_logic,
5420         simd_move, simd_load, simd_store.  Choose "multi" for moves
5421         for "qword_mode".
5422         (qword_mode): New attribute.
5423         (insn_count): Add instruction count for quad moves.
5424         Increase the count for MIPS SIMD division.
5425         (UNITMODE): Add UNITMODEs for vector types.
5426         (addsub): New code iterator.
5427         * config/mips/mips.opt (mmsa): New option.
5428         * config/mips/msa.h: New file.
5429         * config/mips/mti-elf.h: Don't infer -mfpxx if -mmsa is
5430         specified.
5431         * config/mips/mti-linux.h: Likewise.
5432         * config/mips/predicates.md
5433         (const_msa_branch_operand): New constraint.
5434         (const_uimm3_operand): Likewise.
5435         (const_uimm4_operand): Likewise.
5436         (const_uimm5_operand): Likewise.
5437         (const_uimm8_operand): Likewise.
5438         (const_imm5_operand): Likewise.
5439         (aq10b_operand): Likewise.
5440         (aq10h_operand): Likewise.
5441         (aq10w_operand): Likewise.
5442         (aq10d_operand): Likewise.
5443         (const_m1_operand): Likewise.
5444         (reg_or_m1_operand): Likewise.
5445         (const_exp_2_operand): Likewise.
5446         (const_exp_4_operand): Likewise.
5447         (const_exp_8_operand): Likewise.
5448         (const_exp_16_operand): Likewise.
5449         (const_vector_same_val_operand): Likewise.
5450         (const_vector_same_simm5_operand): Likewise.
5451         (const_vector_same_uimm5_operand): Likewise.
5452         (const_vector_same_uimm6_operand): Likewise.
5453         (const_vector_same_uimm8_operand): Likewise.
5454         (par_const_vector_shf_set_operand): Likewise.
5455         (reg_or_vector_same_val_operand): Likewise.
5456         (reg_or_vector_same_simm5_operand): Likewise.
5457         (reg_or_vector_same_uimm6_operand): Likewise.
5458         * doc/extend.texi (MIPS SIMD Architecture Functions): New
5459         section.
5460         * doc/invoke.texi (-mmsa): Document new option.
5461
5462 2016-05-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5463
5464         * configure.ac (enable_vtable_verify): Handle --enable-vtable-verify.
5465         * configure: Regenerate.
5466         * config.in: Regenerate.
5467         * gcc.c (VTABLE_VERIFICATION_SPEC) [!ENABLE_VTABLE_VERIFY]: Error
5468         on -fvtable-verify.
5469         * config/sol2.h [!ENABLE_VTABLE_VERIFY] (STARTFILE_VTV_SPEC): Define.
5470         (ENDFILE_VTV_SPEC): Define.
5471
5472 2016-05-09  Kaushik Phatak  <kaushik.phatak@kpit.com>
5473
5474         * config/rl78/rl78.c (rl78_expand_prologue): Save the MDUC related
5475         registers in all interrupt handlers if necessary.
5476         (rl78_option_override): Add warning.
5477         (MUST_SAVE_MDUC_REGISTERS): New macro.
5478         (rl78_expand_epilogue): Restore the MDUC registers if necessary.
5479         * config/rl78/rl78.c (check_mduc_usage): New function.
5480         (mduc_regs): New structure to hold MDUC register data.
5481         * config/rl78/rl78.md (is_g13_muldiv_insn): New attribute.
5482         (mulsi3_g13): Add is_g13_muldiv_insn attribute.
5483         (udivmodsi4_g13): Add is_g13_muldiv_insn attribute.
5484         (mulhi3_g13): Add is_g13_muldiv_insn attribute.
5485         * config/rl78/rl78.opt (msave-mduc-in-interrupts): New option.
5486         * doc/invoke.texi (RL78 Options): Add -msave-mduc-in-interrupts.
5487
5488 2016-05-09  Bin Cheng  <bin.cheng@arm.com>
5489
5490         * tree-if-conv.c (tree-ssa-loop.h): Include header file.
5491         (tree-ssa-loop-niter.h): Ditto.
5492         (idx_within_array_bound, ref_within_array_bound): New functions.
5493         (ifcvt_memrefs_wont_trap): Check if array ref is within bound.
5494         Factor out check on writable base object to ...
5495         (base_object_writable): ... here.
5496
5497 2016-05-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5498
5499         * config/arm/arm.md (probe_stack): Add modes to set source
5500         and destination.
5501
5502 2016-05-09  Bernd Schmidt  <bschmidt@redhat.com>
5503
5504         * regrename.c (base_reg_class_for_rename): New static function.
5505         (scan_rtx_address, scan_rtx): Use it instead of base_reg_class.
5506
5507 2016-05-08  Jan Hubicka  <hubicka@ucw.cz>
5508
5509         * cgraph.c (thunk_adjust): Export.
5510         * cgraphclones.c (cgraph_node::create_clone): Clone thunk info.
5511         * cgraphunit.c (thunk_adjust): Export.
5512         (cgraph_node::assemble_thunks_and_aliases): Do not assemble inlined
5513         thunks.
5514         * ipa-inline-analyssi.c (compute_inline_parameters): Thunks are
5515         inlinable.
5516         * tree-inline.c (expand_call_inline): Expand thunks inline.
5517
5518 2016-05-08  Uros Bizjak  <ubizjak@gmail.com>
5519
5520         PR target/70998
5521         * config/i386/sse.md (*sse2_vd_cvtsd2ss): New insn pattern.
5522         (*sse2_vd_cvtss2sd): Ditto.
5523         * config/i386/i386.md
5524         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf splitter):
5525         Generate *sse2_vd_cvtsd2ss pattern.
5526         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df splitter):
5527         Generate *sse2_vd_cvtss2sd pattern.
5528
5529 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5530
5531         * config/sh/sh.h (GET_SH_ARG_CLASS): Convert macro into ...
5532         * config/sh/sh.c (get_sh_arg_class): ... this new function.  Update its
5533         users.
5534
5535 2016-05-08  Oleg Endo  <olegendo@gcc.gnu.org>
5536
5537         * config/sh/sh-protos.h (sh_media_register_for_return): Remove.
5538         * config/sh/sh.c: Define and declare variables on first use throughout
5539         the file.
5540         (current_function_interrupt): Change to bool type.
5541         (frame_insn): Rename to emit_frame_insn and update users.
5542         (push_regs): Use bool for 'interrupt_handler' argument.
5543         (save_schedule_s): Remove.
5544         (TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_ALIGNED_DI_OP): Remove.
5545         (sh_option_override): Don't nullify targetm.asm_out.aligned_op.di and
5546         targetm.asm_out.unaligned_op.di.
5547         (gen_far_branch): Remove redundant forward declaration.
5548         (sh_media_register_for_return, MAX_SAVED_REGS, save_entry_s, save_entry,
5549         MAX_TEMPS, save_schedule_ssave_schedule): Remove.
5550         (sh_set_return_address, sh_function_ok_for_sibcall,
5551         scavenge_reg): Update comments.
5552         (sh_builtin_saveregs): Use TRAGET_FPU_ANY condition.
5553         (sh2a_get_function_vector_number, sh2a_function_vector_p): Use for loop.
5554         (sh_attr_renesas_p): Remove unnecessary parentheses.
5555         (branch_dest): Simplify.
5556         * config/sh/sh.h (sh_args): Remove byref, byref_regs, stack_regs fields.
5557         Change force_mem, prototype_p, outgoing, renesas_abi fields to bool.
5558         (CUMULATIVE_ARGS): Change macro to typedef.
5559         (current_function_interrupt): Change to bool type.
5560         (sh_arg_class, sh_args, CUMULATIVE_ARGS, current_function_interrupt):
5561         Surround with __cplusplus ifdef.
5562         (sh_compare_op0, sh_compare_op1): Remove.
5563         (EPILOGUE_USES): Use TARGET_FPU_ANY condition.
5564
5565 2016-05-07  Jim Wilson  <jim.wilson@linaro.org>
5566
5567         * config/arm/arm.md: (arch): Add neon.
5568         (arch_enabled): Return yes for arch neon when TARGET_NEON.
5569         * config/arm/vfp.md (movdf_vfp): Add w/G as alternative 3.  Add
5570         neon_move as type for alt 3.  Add arch attr enabling alt 3 for neon.
5571         Emit vmov.i64 for alt 3.  Renumber alternatives 3 to 8.  Adjust
5572         attributes for alt renumbering.  Mark alt 3 as non-predicable.
5573         (thumb2_movdf_vfp): Likewise.
5574
5575 2016-05-07  Uros Bizjak  <ubizjak@gmail.com>
5576
5577         * config/i386/i386.md (*addqi_1): Add preferred_for_speed attribute
5578         to disparage alternatives 3 and 4 for TARGET_PARTIAL_REG_STALL targets.
5579         (*andqi_1): Add preferred_for_speed attribute to disparage
5580         alternative 2 for TARGET_PARTIAL_REG_STALL targets.
5581         (*<code>qi_1): Ditto.
5582         (*one_cmplqi2_1): Add preferred_for_speed attribute to disparage
5583         alternative 1 for TARGET_PARTIAL_REG_STALL targets.
5584         (*ashlqi3_1): Ditto.
5585         (*swap<mode>): Merge from *swap<mode>_1 and *swap<mode>_2 patterns.
5586         Add preferred_for_size attribute to disparage alternative 0 and
5587         preferred_for_speed attribute to disparage alternative 1 for
5588         TARGET_PARTIAL_REG_STALL targets.
5589
5590 2016-05-07  Tom de Vries  <tom@codesourcery.com>
5591
5592         PR tree-optimization/70956
5593         * graphite-scop-detection.c (build_cross_bb_scalars_def): Handle NULL
5594         def.
5595
5596 2016-05-07  Oleg Endo  <olegendo@gcc.gnu.org>
5597
5598         * config/sh/sh-protos.h (sh_cbranch_distance): Declare new function.
5599         * config/sh/sh.c (sh_cbranch_distance): Implement it.
5600         * config/sh/sh.md (branch_zero): Remove define_attr.
5601         (define_delay): Disable delay slot if branch distance is one insn.
5602
5603 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5604
5605         * config/i386/i386.md (LEAMODE): New mode attribute.
5606         (plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
5607         (ashift to LEA splitter): Rewrte splitter using SWI mode iterator
5608         and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
5609         operand 2 predicate.
5610         (*lea<mode>_general_2): Use VOIDmode for const248_operand.
5611         (*lea<mode>_general_3): Ditto.
5612         (*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.
5613
5614 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5615
5616         * genmddump.c (main): Convert argv from char ** to const char **.
5617
5618 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5619
5620         * coretypes.h (OVERRIDE): New macro.
5621         (FINAL): New macro.
5622
5623 2016-05-06  Eric Botcazou  <ebotcazou@adacore.com>
5624
5625         * tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
5626         allow coalescing if the types are compatible.
5627
5628 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5629
5630         * pass_manager.h (pass_manager::register_pass_name): New method.
5631         (pass_manager::get_pass_by_name): New method.
5632         (pass_manager::create_pass_tab): New method.
5633         (pass_manager::m_name_to_pass_map): New field.
5634         * passes.c (name_to_pass_map): Delete global in favor of field
5635         "m_name_to_pass_map" of pass_manager.
5636         (register_pass_name): Rename from a function to...
5637         (pass_manager::register_pass_name): ...this method, updating
5638         for renaming of global "name_to_pass_map" to field
5639         "m_name_to_pass_map".
5640         (create_pass_tab): Rename from a function to...
5641         (pass_manager::create_pass_tab): ...this method, updating
5642         for renaming of global "name_to_pass_map" to field.
5643         (get_pass_by_name): Rename from a function to...
5644         (pass_manager::get_pass_by_name): ...this method.
5645         (enable_disable_pass): Convert use of get_pass_by_name to
5646         a method call, locating the pass_manager singleton.
5647
5648 2016-05-06  David Malcolm  <dmalcolm@redhat.com>
5649
5650         * genattr-common.c (main): Convert argv from char ** to const char **.
5651         * genattr.c (main): Likewise.
5652         * genattrtab.c (main): Likewise.
5653         * genautomata.c (initiate_automaton_gen): Likewise.
5654         (main): Likewise.
5655         * gencodes.c (main): Likewise.
5656         * genconditions.c (main): Likewise.
5657         * genconfig.c (main): Likewise.
5658         * genconstants.c (main): Likewise.
5659         * genemit.c (main): Likewise.
5660         * genenums.c (main): Likewise.
5661         * genextract.c (main): Likewise.
5662         * genflags.c (main): Likewise.
5663         * genmddeps.c (main): Likewise.
5664         * genopinit.c (main): Likewise.
5665         * genoutput.c (main): Likewise.
5666         * genpeep.c (main): Likewise.
5667         * genpreds.c (main): Likewise.
5668         * genrecog.c (main): Likewise.
5669         * gensupport.c (init_rtx_reader_args_cb): Likewise.
5670         (init_rtx_reader_args): Likewise.
5671         * gensupport.h (init_rtx_reader_args_cb): Likewise.
5672         (init_rtx_reader_args): Likewise.
5673         * gentarget-def.c (main): Likewise.
5674         * read-md.c (read_md_files): Likewise.
5675         * read-md.h (read_md_files): Likewise.
5676
5677 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5678
5679         * config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
5680         instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
5681         * config/i386/predicates.md (register_and_not_any_fp_reg_operand):
5682         Remove unused predicate.
5683         (register_and_not_fp_reg_operand): Ditto.
5684
5685 2016-05-06  Martin Liska  <mliska@suse.cz>
5686
5687         * tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
5688         instead of vec as the vector is local to the function.
5689
5690 2016-05-06  Jakub Jelinek  <jakub@redhat.com>
5691
5692         * config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
5693         avx512bw alternative.
5694
5695         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
5696         before the ashr<mode>3 pattern.
5697
5698         * config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
5699         v instead of x in vex or maybe_vex alternatives, use
5700         maybe_evex instead of vex in prefix.
5701
5702         * config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
5703         *vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
5704         vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
5705         in vex or maybe_vex alternatives, use maybe_evex instead of vex
5706         in prefix.
5707
5708         * config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
5709         v instead of x in vex or maybe_vex alternatives, use
5710         maybe_evex instead of vex in prefix.
5711
5712         * config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
5713         sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
5714         sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
5715         sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
5716         alternatives, use maybe_evex instead of vex in prefix.
5717
5718         * config/i386/sse.md (vec_interleave_lowv4sf,
5719         *vec_interleave_highv2df, *vec_interleave_lowv2df): Use
5720         v instead of x in vex or maybe_vex alternatives, use
5721         maybe_evex instead of vex in prefix.
5722
5723         * config/i386/sse.md (sse_movhlps, sse_movlhps): Use
5724         v instead of x in vex or maybe_vex alternatives, use
5725         maybe_evex instead of vex in prefix.
5726
5727         * config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
5728         v constraint instead of x.
5729
5730 2016-05-06  Nathan Sidwell  <nathan@codesourcery.com>
5731
5732         * gimple.c (gimple_call_same_target_p): Unique functions are eq.
5733         * tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
5734         equality first.
5735
5736 2016-05-06  Richard Biener  <rguenther@suse.de>
5737
5738         PR tree-optimization/70948
5739         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
5740         Properly clobber all fields of va_list for __builtin_va_start.
5741
5742 2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>
5743
5744         PR debug/70935
5745         * tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
5746         loop latch destination.
5747
5748 2016-05-06  Martin Liska  <mliska@suse.cz>
5749
5750         * tree-ssa-uninit.c: Apply manual changes
5751         to the GNU coding style.
5752         (prune_uninit_phi_opnds): Rename from
5753         prune_uninit_phi_opnds_in_unrealizable_paths.
5754
5755 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5756
5757         * config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
5758         mspace): Remove deprecated options.
5759         * doc/invoke.texi (SH options): Remove -mspace.
5760
5761 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5762
5763         * config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.
5764
5765 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5766
5767         * config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
5768         corresponding combine split pattern.
5769
5770 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5771
5772         PR target/58219
5773         * config/sh/predicates.md (long_displacement_mem_operand): New.
5774         * config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
5775         Add movi20, movi20s alternatives.  Adjust length attribute for
5776         alternatives.
5777         (movsi_ie): Allow for any FPU.  Adjust length attribute for
5778         alternatives.
5779         (movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
5780         attribute for alternatives.
5781         (*mov<mode>): Use long_displacement_mem_operand for length attribute.
5782         (*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
5783         length attribute for alternatives.
5784
5785 2016-05-06  Richard Biener  <rguenther@suse.de>
5786
5787         PR tree-optimization/70960
5788         * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
5789
5790 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5791
5792         PR target/52933
5793         * config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
5794         * config/sh/sh.c (sh_rtx_costs): Add another div0s case.
5795
5796 2016-05-06  Marek Polacek  <polacek@redhat.com>
5797
5798         PR sanitizer/70875
5799         * ubsan.c (get_ubsan_type_info_for_type): Remove assert.
5800
5801 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
5802
5803         PR target/54089
5804         * config/sh/sh.md (*rotcr): Add another variant.
5805
5806 2016-05-06  Richard Biener  <rguenther@suse.de>
5807
5808         PR middle-end/70931
5809         * dwarf2out.c (native_encode_initializer): Skip zero-sized fields.
5810
5811 2016-05-06  Richard Biener  <rguenther@suse.de>
5812
5813         PR middle-end/70941
5814         * fold-const.c (split_tree): Always convert to the original type
5815         before negating.
5816
5817 2016-05-06  Richard Biener  <rguenther@suse.de>
5818
5819         * fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
5820         (fwprop_addr): Likewise.
5821
5822 2016-05-06  Uros Bizjak  <ubizjak@gmail.com>
5823
5824         PR target/70873
5825         * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
5826         New prototype.
5827         * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
5828         * config/i386/i386.md (push mem splitter): Use find_constant_src in
5829         the splitter condition.
5830         (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
5831         the splitter condition.
5832         (FP float_extend load splitter): Ditto.
5833
5834 2016-05-05  Uros Bizjak  <ubizjak@gmail.com>
5835
5836         * config/i386/i386.md (peehole2 patterns): Change true_regnum
5837         to REGNO in all peephole2 patterns.
5838         (post-reload splitters): Change true_regnum to REGNO in
5839         post-reload splitters.
5840         (zero_extend splitters): Use general_reg_operand and
5841         nonimmediate_gr_operand predicates.
5842
5843 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
5844
5845         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
5846         v constraint instead of x.
5847
5848 2016-05-05  Alan Modra  <amodra@gmail.com>
5849
5850         PR target/68662
5851         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5852         set OPTION_MASK_RELOCATABLE when flag_pic == 2.  Set
5853         TARGET_NO_FP_IN_TOC for -mrelocatable.
5854         (MINIMAL_TOC_SECTION_ASM_OP): Remove redundant
5855         TARGET_RELOCATABLE test.
5856         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5857         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5858         * config/rs6000/linux64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5859         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5860         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5861         * config/rs6000/freebsd64.h (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
5862         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
5863         (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
5864         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
5865         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5866         Likewise.
5867         (rs6000_assemble_integer): Update TARGET_RELOCATABLE test.
5868         (rs6000_stack_info): Likewise.
5869         (rs6000_elf_asm_out_constructor): Likewise.
5870         (rs6000_elf_asm_out_destructor): Likewise.
5871         (rs6000_elf_declare_function_name): Likewise.
5872         * config/rs6000/rs6000.md (load_toc_aix_di): Likewise.
5873         * config/rs6000/rs6000.h (MASK_RELOCATABLE, MASK_MINIMAL_TOC):
5874         Don't define.
5875
5876 2016-05-05  Alan Modra  <amodra@gmail.com>
5877
5878         * config/rs6000/rs6000.c (rs6000_frame_related): Rewrite.
5879
5880 2016-05-05  Alan Modra  <amodra@gmail.com>
5881
5882         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5883         out-of-line gpr restore for one or two regs if that would add
5884         a save of lr.
5885
5886 2016-05-04  Uros Bizjak  <ubizjak@gmail.com>
5887
5888         PR target/70873
5889         * config/i386/i386.md
5890         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_extend sf->df peephole2):
5891         Change to post-epilogue_completed late splitter.  Use sse_reg_operand
5892         as operand 0 predicate.
5893         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float_truncate df->sf peephole2):
5894         Ditto.
5895         (TARGET_SSE_PARTIAL_REG_DEPENDENCY float {si,di}->{sf,df} peephole2):
5896         Ditto.  Emit the pattern using RTX.
5897
5898         (TARGET_USE_VECTOR_FP_CONVERTS float_extend sf->df splitter):
5899         Use sse_reg_opreand as operand 0 predicate.  Do not use true_regnum in
5900         the post-reload splitter.  Use lowpart_subreg instead of gen_rtx_REG.
5901         (TARGET_USE_VECTOR_FP_CONVERTS float_truncate df->sf splitter):
5902         Ditto.
5903         (TARGET_USE_VECTOR_CONVERTS float si->{sf,df} splitter): Use
5904         sse_reg_operand as operand 0 predicate.
5905
5906         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_extend sf->df peephole2):
5907         Use sse_reg_opreand as operand 0 predicate.  Use lowpart_subreg
5908         instead of gen_rtx_REG.
5909         (TARGET_SPLIT_MEM_OPND_FOR_FP_CONVERTS float_truncate sf->df peephole2):
5910         Ditto.
5911
5912 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5913
5914         * function.c (emit_use_return_register_into_block): Delete.
5915         (gen_return_pattern): Delete.
5916         (emit_return_into_block): Delete.
5917         (active_insn_between): Delete.
5918         (convert_jumps_to_returns): Delete.
5919         (emit_return_for_exit): Delete.
5920         (thread_prologue_and_epilogue_insns): Delete all code dealing with
5921         simple_return for shrink-wrapped blocks.
5922         * shrink-wrap.c (try_shrink_wrapping): Insert simple_return at the
5923         end of blocks that need one.
5924         (get_unconverted_simple_return): Delete.
5925         (convert_to_simple_return): Delete.
5926         * shrink-wrap.c (get_unconverted_simple_return): Delete declaration.
5927         (convert_to_simple_return): Ditto.
5928
5929 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5930
5931         * cfgcleanup.c (bb_is_just_return): New function.
5932         (try_optimize_cfg): Simplify jumps to return, branches to return,
5933         and branches around return.
5934
5935 2016-05-04  Segher Boessenkool  <segher@kernel.crashing.org>
5936
5937         * cfgcleanup.c (try_simplify_condjump): Don't try to simplify a
5938         branch to a return.
5939
5940 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
5941
5942         PR c++/70906
5943         PR c++/70933
5944         * tree-core.h (enum operand_equal_flag): Add OEP_HASH_CHECK.
5945         * tree.c (inchash::add_expr): If !IS_EXPR_CODE_CLASS (tclass),
5946         assert flags & OEP_HASH_CHECK, instead of asserting it
5947         never happens.  Handle TARGET_EXPR.
5948         * fold-const.c (operand_equal_p): For hash verification,
5949         or in OEP_HASH_CHECK into flags.
5950
5951 2016-05-04  Eric Botcazou  <ebotcazou@adacore.com>
5952
5953         * tree-ssa-coalesce.c (gimple_can_coalesce_p): Fix reference in head
5954         comment.
5955         (compute_samebase_partition_bases): Fix typo.
5956
5957 2016-05-04  Jakub Jelinek  <jakub@redhat.com>
5958
5959         * config/i386/sse.md (vec_interleave_highv8sf,
5960         vec_interleave_lowv8sf, vec_interleave_highv4df,
5961         vec_interleave_lowv4df): Remove constraints from expanders.
5962
5963         * config/i386/sse.md (sse2_movq128): Use v constraint instead of x.
5964
5965 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
5966
5967         * tree-inline.c (expand_call_inline): Fix path dealing with
5968         making lhs of call statement undefined.
5969
5970 2016-05-04  Jan Hubicka  <hubicka@ucw.cz>
5971
5972         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
5973         Check availability on NODE, too.
5974         * cgraph.h (symtab_node::call_for_symbol_and_aliases): Likewise.
5975         (cgraph_node::call_for_symbol_and_aliases): Likewise.
5976         (varpool_node::call_for_symbol_and_aliase): Likewise.
5977         * ipa-pure-const.c (add_new_function): Analyze all bodies.
5978         (propagate_pure_const): Propagate across interposable functions, too.
5979         (skip_function_for_local_pure_const): Do not skip interposable bodies
5980         with aliases.
5981         (pass_local_pure_const::execute): Update.
5982
5983 2016-05-04  Marek Polacek  <polacek@redhat.com>
5984
5985         * doc/invoke.texi: Document -Wdangling-else.
5986
5987 2016-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
5988
5989         * config.gcc: Error out when conflicting multilib is detected.  Do not
5990         loop over multilibs since no combination is legal.
5991
5992 2016-05-04  Alan Modra  <amodra@gmail.com>
5993
5994         * config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct.
5995         * config/rs6000/sysv4.h (TARGET_TOC): Simplify.
5996         * config/rs6000/rs6000.c (rs6000_elf_output_toc_section_asm_op):
5997         Align .toc.
5998
5999 2016-05-04  Matthew Fortune  <matthew.fortune@imgtec.com>
6000
6001         * config/mips/mips-cpus.def (p5600): Avoid IMADD by default.
6002         Clean up p5600 comments.
6003
6004 2016-05-04  Richard Biener  <rguenther@suse.de>
6005
6006         * match.pd: Add BIT_FIELD_REF canonicalizations and vector
6007         constructor simplifications.
6008         * fold-const.c (fold_ternary_loc): Remove duplicate functionality here.
6009
6010 2016-05-04  Oleg Endo  <olegendo@gcc.gnu.org>
6011
6012         * config/sh/predicates (post_inc_mem, pre_dec_mem): New predicates.
6013         * config/sh/sh-protos.h (sh_find_set_of_reg): Return null result if
6014         result.set_rtx is null instead of aborting.
6015         * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT):
6016         Always enable.
6017         (USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT): Enable for SH2A.
6018         * config/sh/sh.md (*extend<mode>si2_predec, *mov<mode>_load_predec,
6019         *mov<mode>_store_postinc): New patterns.
6020
6021 2016-05-04  Marc Glisse  <marc.glisse@inria.fr>
6022
6023         * match.pd ((A | B) & (A | C)): Generalize to BIT_XOR_EXPR.  Mark
6024         as commutative.  Check both conversions are NOP.
6025         ((A & B) OP (C & B)): Remove.
6026
6027 2016-05-04  Alan Modra  <amodra@gmail.com>
6028
6029         * combine.c (simplify_set): Correct WORD_REGISTER_OPERATIONS test.
6030
6031 2016-05-04  Alan Modra  <amodra@gmail.com>
6032
6033         PR target/70866
6034         * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p
6035         when cr2,3,4 are all fixed regs.
6036
6037 2016-05-04  Bernd Schmidt  <bschmidt@redhat.com>
6038
6039         PR rtl-optimization/57193
6040         * opts.c (default_options_table): Revert OPT_frename_registers change.
6041         * doc/invoke.texi (-frename-registers, -O2): Likewise.
6042
6043 2016-05-03  Martin Sebor  <msebor@redhat.com>
6044
6045         PR c++/66561
6046         * builtins.c (fold_builtin_FILE): New function.
6047         (fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
6048         (fold_builtin_0): Call them.
6049         * gimplify.c (gimplify_call_expr): Remove the handling of
6050         BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
6051
6052         PR c++/66561
6053         * doc/extend.texi (Other Builtins): Update __builtin_FILE,
6054         __builtin_FUNCTION, and __builtin_LINE to reflect they yield
6055         constants.
6056
6057         PR c++/66639
6058         * doc/extend.texi (Function Names as Strings): Update __func__,
6059         __FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
6060         constants.
6061
6062 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6063             Richard Biener  <rguenther@suse.de>
6064
6065         PR tree-optimization/70916
6066         * tree-if-conv.c: Include cfganal.h.
6067         (pass_if_conversion::execute): Call connect_infinite_loops_to_exit
6068         and remove_fake_exit_edges around the optimization pass.
6069
6070 2016-05-03  Jan Hubicka  <hubicka@ucw.cz>
6071
6072         * cgraph.c (symbol_table::create_edge): Set inline_failed.
6073         (cgraph_edge::make_direct): Likewise.
6074         (cgraph_edge::dump_edge_flags): Dump call_stmt_cannot_inline_p.
6075         * cgraphclones.c (duplicate_thunk_for_node): Set inline_failed.
6076         * cif-code.def (CIF_LTO_MISMATCHED_DECLARATIONS): New code
6077         (CIF_THUNK): New code.
6078         * ipa-inline-analysis.c (initialize_inline_failed): Preserve
6079         CIF_FINAL_ERROR codes; do not deal with call_stmt_cannot_inline_p.
6080         (compute_inline_parameters): Set inline_failed for thunks.
6081         (inline_analyze_function): Cleanup.
6082         * ipa-inline.c (can_inline_edge_p): Do not deal with
6083         call_stmt_cannot_inline_p.
6084         (can_early_inline_edge_p): Likewise.
6085         (early_inliner): Initialize inline_failed.
6086         * lto-cgraph.c (lto_output_edge): Sanity check inline_failed.
6087
6088 2016-05-03  Uros Bizjak  <ubizjak@gmail.com>
6089
6090         * config/i386/predicates.md (x87nonimm_ssenomem_operand): Rename
6091         from nonimm_ssenomem_operand.
6092         (nonimm_ssenomem_operand): New predicate.
6093         * config/i386/i386.md (extendsfdf2): Use nonimm_ssenomem_operand
6094         as operand 0 predicate.
6095         (*extendsfdf2): Merge from *extendsfdf2_mixed and *extendsfdf2_i387.
6096         Disable unsupported alternatives using "enabled" attribute.
6097         Use register_ssemem_operand as operand 0 predicate.
6098         (*fop_<mode>_1): Use x87nonimm_ssenomem_operand as operand 1 predicate.
6099
6100 2016-05-03  Marek Polacek  <polacek@redhat.com>
6101
6102         PR c/70859
6103         * input.c (expansion_point_location): New function.
6104         * input.h (expansion_point_location): Declare.
6105
6106 2016-05-03  Pierre-Marie de Rodat  <derodat@adacore.com>
6107
6108         * dwarf2out.c (resolve_args_picking_1): Replace the frame_offset
6109         occurence with frame_offset_ ones.
6110
6111 2016-05-03  Alan Modra  <amodra@gmail.com>
6112
6113         PR rtl-optimization/70890
6114         * ira.c (combine_and_move_insns): When moving def_insn, remove
6115         equivs on use_insn.
6116
6117 2016-05-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6118
6119         * config/s390/s390.md ("*r<noxa>sbg_<mode>_sll")
6120         ("*r<noxa>sbg_<mode>_srl"): New define_insns.
6121         ("*r<noxa>sbg_<mode>_srl_bitmask"): Rename by adding "_bitmask".
6122         ("*r<noxa>sbg_<mode>_sll_bitmask"): Likewise.
6123
6124 2016-05-03  Alan Modra  <amodra@gmail.com>
6125
6126         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
6127         for SAVE_MULTIPLE/STORE_MULTIPLE.
6128
6129 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6130
6131         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
6132         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead of x.
6133
6134 2016-05-03  Richard Biener  <rguenther@suse.de>
6135
6136         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
6137         default true.
6138         (gimplify_arg): Likewise.
6139         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
6140         re-writing the result to a decl if required.
6141         (internal_get_tmp_var): Add allow_ssa parameter
6142         and override into_ssa with it.
6143         (get_formal_tmp_var): Adjust.
6144         (get_initialized_tmp_var): Add allow_ssa parameter.
6145         (gimplify_arg): Add allow_ssa parameter and avoid generating
6146         SSA names for the result false.
6147         (gimplify_call_expr): If the call may return twice do not
6148         gimplify parameters into SSA.
6149         (prepare_gimple_addressable): Do not allow an SSA name as temporary.
6150         (gimplify_modify_expr): Adjust assert.  For noreturn calls
6151         with a SSA name LHS adjust its def.
6152         (gimplify_save_expr): Do not allow an SSA name as save-expr result.
6153         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
6154         (gimplify_body): Init GIMPLE SSA data structures and gimplify into-SSA.
6155         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
6156         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
6157         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
6158         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
6159         (optimize_target_teams): Do not allow SSA names for clause operands.
6160         (gimplify_expr): Likewise for where we mark the result addressable.
6161         * passes.def (pass_init_datastructures): Remove.
6162         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
6163         (rewrite_stmt): Likewise.
6164         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
6165         (replace_locals_op): Replace SSA names.
6166         (copy_gimple_seq_and_replace_locals): Init src_cfun.
6167         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
6168         * cgraph.c (release_function_body): Free CFG annotations only
6169         when we have a CFG.  Simplify.
6170         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
6171         force_gimple_operand instead of get_initialized_tmp_var.
6172         * tree-pass.h (make_pass_init_datastructures): Remove.
6173         * tree-ssa.c (execute_init_datastructures): Remove.
6174         (pass_data_init_datastructures): Likewise.
6175         (class pass_init_datastructures): Likewise.
6176         (make_pass_init_datastructures): Likewise.
6177         * omp-low.c (create_omp_child_function): Init SSA data structures.
6178         (grid_expand_target_grid_body): Likewise.
6179         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
6180         name before adding it to names_to_release.
6181         (remove_bb): Always release SSA defs.
6182         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
6183         before dereferencing it.
6184         * cgraphunit.c (init_lowered_empty_function): Always
6185         int SSA data structures.
6186         * tree-ssanames.c (release_defs): Remove assert that we are in
6187         SSA form.
6188         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
6189
6190 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6191             Uros Bizjak  <ubizjak@gmail.com>
6192
6193         PR rtl-optimization/70467
6194         * config/i386/predicates.md (x86_64_hilo_int_operand,
6195         x86_64_hilo_general_operand): New predicates.
6196         * config/i386/constraints.md (Wd): New constraint.
6197         * config/i386/i386.md (mode attr di): Use Wd instead of e.
6198         (general_hilo_operand): New mode attr.
6199         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
6200         instead of <general_operand>.
6201         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
6202         x86_64_hilo_general_operand instead of <general_operand>.
6203
6204 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
6205
6206         PR tree-optimization/70916
6207         * tree-if-conv.c (constant_or_ssa_name): Removed.
6208         (fold_build_cond_expr): Use is_gimple_val instead of
6209         constant_or_ssa_name.
6210
6211         PR tree-optimization/70916
6212         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
6213         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
6214
6215         PR target/49244
6216         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
6217         (optimize_atomic_bit_test_and): New function.
6218         (pass_fold_builtins::execute): Use it.
6219         * optabs.def (atomic_bit_test_and_set_optab,
6220         atomic_bit_test_and_complement_optab,
6221         atomic_bit_test_and_reset_optab): New optabs.
6222         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
6223         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
6224         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
6225         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
6226         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
6227         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
6228         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
6229         * doc/md.texi (atomic_bit_test_and_set@var{mode},
6230         atomic_bit_test_and_complement@var{mode},
6231         atomic_bit_test_and_reset@var{mode}): Document.
6232         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
6233         atomic_bit_test_and_complement<mode>,
6234         atomic_bit_test_and_reset<mode>): New expanders.
6235         (atomic_bit_test_and_set<mode>_1,
6236         atomic_bit_test_and_complement<mode>_1,
6237         atomic_bit_test_and_reset<mode>_1): New insns.
6238
6239 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
6240
6241         PR rtl-optimization/70687
6242         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
6243         instead of unsigned HOST_WIDE_INT.
6244
6245 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
6246
6247         PR rtl-optimization/44281
6248         * hard-reg-set.h (struct target_hard_regs): New field
6249         x_fixed_nonglobal_reg_set.
6250         (fixed_nonglobal_reg_set): New macro.
6251         * reginfo.c (init_reg_sets_1): Initialize it.
6252         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
6253         of fixed_reg_set.
6254         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
6255
6256 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6257
6258         PR tree-optimization/56541
6259         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
6260         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
6261         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
6262         (any_complicated_phi): new static variable.
6263         (aggressive_if_conv): delete.
6264         (if_convertible_phi_p): support phis with more than two arguments.
6265         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
6266         critical pred edges.
6267         (ifcvt_split_critical_edges): support phis with more than two
6268         arguments by checking new parameter.  only split critical edges
6269         if needed.
6270         (tree_if_conversion): handle simd pragma marked loop using new
6271         local variable aggressive_if_conv.  check any_complicated_phi.
6272
6273 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6274
6275         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
6276         before using it.
6277
6278 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
6279
6280         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
6281         cbase.
6282
6283 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
6284
6285         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
6286         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
6287         define_insn_and_split.
6288         (mulsi3_i): New define_insn_and_split.
6289         (mulsi3_call): Convert to define_insn.
6290         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
6291         Remove constraints.
6292
6293 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
6294
6295         * machmode.h (mode_complex): Add support to give the complex mode
6296         for a given mode.
6297         (GET_MODE_COMPLEX_MODE): Likewise.
6298         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
6299         stored by build_complex_type and gfc_build_complex_type instead of
6300         trying to figure out the appropriate mode based on the size. Raise
6301         an assertion error, if the type was not set.
6302         * genmodes.c (struct mode_data): Add field for the complex type of
6303         the given type.
6304         (blank_mode): Likewise.
6305         (make_complex_modes): Remember the complex mode created in the
6306         base type.
6307         (emit_mode_complex): Write out the mode_complex array to map a
6308         type mode to the complex version.
6309         (emit_insn_modes_c): Likewise.
6310         * tree.c (build_complex_type): Set the complex type to use before
6311         calling layout_type.
6312         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
6313         support for __float128 complex datatypes.
6314         (rs6000_hard_regno_mode_ok): Likewise.
6315         (rs6000_setup_reg_addr_masks): Likewise.
6316         (rs6000_complex_function_value): Likewise.
6317         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
6318         __float128 and __ibm128 complex.
6319         (FLOAT128_IBM_P): Likewise.
6320         (ALTIVEC_ARG_MAX_RETURN): Likewise.
6321         * doc/extend.texi (Additional Floating Types): Document that
6322         -mfloat128 must be used to enable __float128.  Document complex
6323         __float128 and __ibm128 support.
6324
6325 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6326
6327         PR target/49244
6328         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
6329         char/short arguments promoted to int because of promote_prototypes.
6330
6331 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6332
6333         * config/i386/predicates.md (register_ssemem_operand): New predicate.
6334         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
6335         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
6336         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
6337         alternatives using "enabled" attribute.  Use register_ssemem_operand
6338         as operand 1 predicate.
6339         (*cmpi<unord>xf_i387): Split XFmode pattern from
6340         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
6341         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
6342         *absneg<mode>2_i387.  Disable unsupported alternatives using
6343         "enabled" attribute.
6344         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
6345
6346 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6347
6348         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
6349         marker.
6350         (oacc_loop_process): Check mask for loop termination.
6351
6352 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6353
6354         * cif-code.def (CIF_THUNK): Add.
6355         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
6356         accidental change.
6357
6358 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
6359
6360         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
6361         (dump_inline_summary): Dump it.
6362         (fp_expression_p): New predicate.
6363         (estimate_function_body_sizes): Use it.
6364         (inline_merge_summary): Merge fp_expressions.
6365         (inline_read_section): Read fp_expressions.
6366         (inline_write_summary): Write fp_expressions.
6367         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
6368         codegen boundary if either caller or callee is !fp_expressions.
6369         * ipa-inline.h (inline_summary): Add fp_expressions.
6370         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
6371         to fp_expressions be sure the fp generation flags are updated.
6372
6373 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
6374
6375         PR rtl-optimization/70467
6376         * cse.c (cse_insn): Handle no-op MEM moves after folding.
6377
6378         PR rtl-optimization/70467
6379         * ipa-pure-const.c (check_call): Handle internal calls even in
6380         ipa mode like in local mode.
6381
6382 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
6383
6384         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
6385
6386 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6387
6388         * match.pd (X u< X, X u> X): New transformations.
6389
6390 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
6391
6392         * flag-types.h (enum warn_strict_overflow_code): Move ...
6393         * coretypes.h: ... here.
6394         * fold-const.h (fold_overflow_warning): Declare.
6395         * fold-const.c (fold_overflow_warning): Make non-static.
6396         (fold_comparison): Move the transformation of X +- C1 CMP C2
6397         into X CMP C2 -+ C1 ...
6398         * match.pd: ... here.
6399         * gimple-fold.c (fold_stmt_1): Protect with
6400         fold_defer_overflow_warnings.
6401
6402 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
6403
6404         * omp-low.c (struct oacc_loop): Add 'inner' field.
6405         (new_oacc_loop_raw): Initialize it to zero.
6406         (oacc_loop_fixed_partitions): Initialize it.
6407         (oacc_loop_auto_partitions): Partition outermost loop to outermost
6408         available partitioning.
6409
6410 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6411
6412         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
6413         register_operand.
6414         (umulsidi3): Likewise.
6415         (indirect_jump): Fix jump instruction assembly patterns.
6416
6417 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
6418
6419         PR target/70860
6420         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
6421         (nvptx_function_value): Assert non-NULL cfun.
6422
6423 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
6424
6425         PR rtl-optimization/70886
6426         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
6427
6428         * cselib.h (rtx_equal_for_cselib_1): Declare.
6429         (rtx_equal_for_cselib_p: New inline function.
6430         * cselib.c (rtx_equal_for_cselib_p): Delete.
6431         (rtx_equal_for_cselib_1): Make public.
6432
6433 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
6434
6435         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
6436         (register_mixssei387nonimm_operand): Remove predicate.
6437         * config/i386/i386.md (*fop_<mode>_comm): Merge from
6438         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
6439         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
6440         for TARGET_MIX_SSE_I387 alternatives.
6441         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
6442         Disable unsupported alternatives using "enabled" attribute.  Use
6443         nonimm_ssenomem_operand as operand 1 predicate.  Also check
6444         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
6445
6446 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6447
6448         * tree.c (cst_and_fits_in_hwi): Simplify.
6449
6450 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6451
6452         * tree.h (wi::to_wide): New function.
6453         * expr.c (expand_expr_real_1): Use wi::to_wide.
6454         * fold-const.c (int_const_binop_1): Likewise.
6455         (extract_muldiv_1): Likewise.
6456
6457 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6458
6459         * wide-int.h: Update offset_int and widest_int documentation.
6460         (WI_SIGNED_SHIFT_RESULT): New macro.
6461         (wi::binary_shift): Define signed_shift_result_type for
6462         shifts on offset_int- and widest_int-like types.
6463         (generic_wide_int): Support <<= and >>= if << and >> are supported.
6464         * tree.h (int_bit_position): Use shift operators instead of wi::
6465          shifts.
6466         * alias.c (adjust_offset_for_component_ref): Likewise.
6467         * expr.c (get_inner_reference): Likewise.
6468         * fold-const.c (fold_comparison): Likewise.
6469         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
6470         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
6471         * tree-dfa.c (get_ref_base_and_extent): Likewise.
6472         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
6473         (stmt_kills_ref_p): Likewise.
6474         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
6475         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
6476         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6477         (ao_ref_init_from_vn_reference): Likewise.
6478
6479 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
6480
6481         * wide-int.h: Update offset_int and widest_int documentation.
6482         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
6483         (wi::binary_traits): Allow ordered comparisons between offset_int and
6484         offset_int, between widest_int and widest_int, and between either
6485         of these types and basic C types.
6486         (operator <, <=, >, >=): Define for the same combinations.
6487         * tree.h (tree_int_cst_lt): Use comparison operators instead
6488         of wi:: comparisons.
6489         (tree_int_cst_le): Likewise.
6490         * gimple-fold.c (fold_array_ctor_reference): Likewise.
6491         (fold_nonarray_ctor_reference): Likewise.
6492         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
6493         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
6494         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
6495         * tree-sra.c (completely_scalarize): Likewise.
6496         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
6497         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
6498         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
6499         (check_for_binary_op_overflow): Likewise.
6500         (search_for_addr_array): Likewise.
6501         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
6502
6503 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6504
6505         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
6506         (arc_save_restore): Likewise.
6507         (arc_dwarf_register_span): Likewise.
6508         (arc_output_pic_addr_const): Initialize suffix variable.
6509
6510 2016-05-02  Martin Liska  <mliska@suse.cz>
6511
6512         * symbol-summary.h (function_summary::function_summary):
6513         Remove checking assert for all cgraph nodes.
6514         (function_summary::get): Check summary_uid.
6515         (symtab_insertion): Check summary_uid.
6516
6517 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
6518
6519         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
6520         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
6521         bmaskn instruction.
6522         (arc_dwarf_register_span): Remove enum keyword.
6523         (compact_memory_operand_p): New function.
6524         * config/arc/arc.h (reg_class): Add code density register classes.
6525         (REG_CLASS_NAMES): Likewise.
6526         (REG_CLASS_CONTENTS): Likewise.
6527         * config/arc/arc.md (*movqi_insn): Add code density instructions.
6528         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
6529         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
6530         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
6531         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
6532         constraints.
6533         (h, Rcd, Rsd, Rzd): New register constraints.
6534         (T): Use compact_memory_operand_p function.
6535         * config/arc/predicates.md (compact_load_memory_operand): Remove.
6536
6537 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6538
6539         * config/sh/sh.md (*negnegt, *movtt): Remove.
6540
6541 2016-05-02  Marek Polacek  <polacek@redhat.com>
6542             Tom de Vries  <tom@codesourcery.com>
6543
6544         PR tree-optimization/70700
6545         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
6546         bigger than FIRST_REF_NODE.
6547
6548 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
6549
6550         PR target/52898
6551         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
6552         TARGET_CMPEQDI_T.
6553         (prepare_cbranch_operands): Don't use scratch register.  Assume that
6554         function is used when pseudos can be created.
6555         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
6556         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
6557         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
6558         define_expand.  Allow it only when pseudos can be created.
6559         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
6560
6561 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
6562
6563         * config/i386/constraints.md (BC): Only allow -1 operands.
6564         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
6565         Add "enabled" attribute.  Update XI mode attribute calculation.
6566         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
6567         (*movoi_internal_avx): Update XI mode attribute calculation.
6568         (*movti_internal): Ditto.
6569
6570 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6571
6572         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
6573         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
6574
6575 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
6576
6577         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
6578         statement on instruction code.  Remove trailing spaces.
6579         (altivec_expand_stv_builtin): Likewise.
6580
6581 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6582
6583         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
6584         (TARGET_FPU_DOUBLE): Simplify.
6585         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
6586         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
6587         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
6588         with 'TARGET_FPU_DOUBLE'.
6589         * config/sh/sh.md: Likewise.
6590
6591 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
6592
6593         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
6594         SH_DIV_STR_FOR_SIZE): Remove.
6595         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
6596         SH_DIV_STR_FOR_SIZE): Remove.
6597
6598 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
6599
6600         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
6601         logical_reg_operand): Delete.
6602         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
6603         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
6604         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
6605         match_operand and match_test.
6606         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
6607         variables on their first use.  Return bool values.
6608         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
6609         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
6610         arith_reg_operand for input operand.  Remove empty constraints.
6611         (xorsi3): Delete.
6612         (*xorsi3_compact): Rename to xorsi3.
6613         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
6614         (*zero_extend<mode>si2_disp_mem): Update comment.
6615         (mov_nop): Delete.
6616
6617 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6618
6619         * config/sh/t-sh: Remove SH5 support.
6620         * config.gcc: Likewise.
6621         * configure: Likewise.
6622
6623 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6624
6625         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
6626
6627 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
6628
6629         * config/sh/sh.c (register_sh_passes, sh_option_override,
6630         sh_print_operand, prepare_move_operands,
6631         sh_can_follow_jump): Remove TARGET_SH1 checks.
6632         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
6633         PROMOTE_MODE): Likewise.
6634         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
6635         movdi): Likewise.
6636
6637 2016-04-30  Alan Modra  <amodra@gmail.com>
6638
6639         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
6640         restoring when fixed_reg_p, but allow out-of-line or stmw save.
6641         Check for user regs later to avoid unnecessary looping over regs.
6642         Merge user reg check with non-saved reg check.  Don't force
6643         inline VR restore when static chain used.
6644         (rs6000_frame_related): Omit eh_frame info for user regs when
6645         saving.
6646         (fixed_regs_p): Delete.
6647
6648 2016-04-30  Alan Modra  <amodra@gmail.com>
6649
6650         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
6651         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
6652         Update all uses.
6653
6654 2016-04-30  Alan Modra  <amodra@gmail.com>
6655
6656         PR target/69645
6657         * config/rs6000/rs6000.c (fixed_reg_p): New function.
6658         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
6659         Update all uses.
6660
6661 2016-04-30  Alan Modra  <amodra@gmail.com>
6662
6663         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
6664         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
6665         flag_pic test for Darwin.
6666
6667 2016-04-30  Alan Modra  <amodra@gmail.com>
6668
6669         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
6670         throw_calls_crossed.
6671         (REG_FREQ_CALLS_CROSSED): Delete.
6672         (REG_N_THROWING_CALLS_CROSSED): Delete.
6673         * regstat.c (regstat_bb_compute_ri): Don't calculate
6674         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
6675         (dump_reg_info): Don't print call cross frequency.
6676         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
6677         and REG_N_THROWING_CALLS_CROSSED.
6678
6679 2016-04-30  Alan Modra  <amodra@gmail.com>
6680
6681         * regs.h (struct reg_info_t): Delete live_length.
6682         (REG_LIVE_LENGTH): Delete macro.
6683         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
6684         local_live, local_processed and local_live_last_luid params.
6685         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
6686         Formatting fixes.
6687         (regstat_compute_ri): Adjust for above.  Don't set
6688         REG_LIVE_LENGTH.
6689         (dump_reg_info): Don't print live length.
6690         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
6691         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
6692         Localize loop_depth var.
6693
6694 2016-04-30  Alan Modra  <amodra@gmail.com>
6695
6696         * ira.c (enum valid_equiv): New.
6697         (validate_equiv_mem): Return enum.
6698         (update_equiv_mem): Create replacement in more cases.
6699         (add_store_equivs): Update validate_equiv_mem call.
6700
6701 2016-04-30  Alan Modra  <amodra@gmail.com>
6702
6703         * ira.c (combine_and_move_insns): Rather than scanning insns,
6704         use DF infrastucture to find use and def insns.
6705
6706 2016-04-30  Alan Modra  <amodra@gmail.com>
6707
6708         ira.c (combine_and_move_insns): Move invariant conditions..
6709         (ira.c): ..to here.  Call combine_and_move_insns before
6710         add_store_equivs.  Call grow_reg_equivs later.  Allocate
6711         req_equiv later using max_reg_num() rather than global max_regno.
6712         (contains_replace_regs): Delete.
6713         (add_store_equivs): Remove contains_replace_regs test.
6714
6715 2016-04-30  Alan Modra  <amodra@gmail.com>
6716
6717         * ira.c (struct equiv_mem_data): New.
6718         (equiv_mem, equiv_mem_modified): Delete static vars.
6719         (validate_equiv_mem_from_store): Use "data" param to communicate..
6720         (validate_equiv_mem): ..from here.
6721
6722 2016-04-30  Alan Modra  <amodra@gmail.com>
6723
6724         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
6725         split out from..
6726         (update_reg_equivs): ..here.  Move allocation and freeing of
6727         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
6728         end_alias_analysis to..
6729         (ira): ..here.
6730
6731 2016-04-30  Alan Modra  <amodra@gmail.com>
6732
6733         * ira.c (pdx_subregs): Delete.
6734         (struct equivalence): Add pdx_subregs field.
6735         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
6736         pdx_subregs access.
6737         (update_equiv_regs): Don't create or free pdx_subregs.  Update
6738         pdx_subregs access.
6739
6740 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6741
6742         * config/rs6000/altivec.h: Change definitions of vec_xl and
6743         vec_xst.
6744         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
6745         (LD_ELEMREV_V2DI): New.
6746         (LD_ELEMREV_V4SF): New.
6747         (LD_ELEMREV_V4SI): New.
6748         (LD_ELEMREV_V8HI): New.
6749         (LD_ELEMREV_V16QI): New.
6750         (ST_ELEMREV_V2DF): New.
6751         (ST_ELEMREV_V2DI): New.
6752         (ST_ELEMREV_V4SF): New.
6753         (ST_ELEMREV_V4SI): New.
6754         (ST_ELEMREV_V8HI): New.
6755         (ST_ELEMREV_V16QI): New.
6756         (XL): New.
6757         (XST): New.
6758         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6759         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
6760         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
6761         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
6762         (altivec_expand_builtin): Add handling for
6763         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
6764         (rs6000_invalid_builtin): Add error-checking for
6765         RS6000_BTM_P9_VECTOR.
6766         (altivec_init_builtins): Define builtins used to implement vec_xl
6767         and vec_xst.
6768         (rs6000_builtin_mask_names): Define power9-vector.
6769         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
6770         (RS6000_BTM_P9_VECTOR): Define.
6771         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
6772         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
6773         (vsx_ld_elemrev_v2df): Likewise.
6774         (vsx_ld_elemrev_v4sf): Likewise.
6775         (vsx_ld_elemrev_v4si): Likewise.
6776         (vsx_ld_elemrev_v8hi): Likewise.
6777         (vsx_ld_elemrev_v16qi): Likewise.
6778         (vsx_st_elemrev_v2df): Likewise.
6779         (vsx_st_elemrev_v2di): Likewise.
6780         (vsx_st_elemrev_v4sf): Likewise.
6781         (vsx_st_elemrev_v4si): Likewise.
6782         (vsx_st_elemrev_v8hi): Likewise.
6783         (vsx_st_elemrev_v16qi): Likewise.
6784         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
6785         grammar.
6786
6787 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
6788
6789         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
6790         out into ...
6791         (simplify_control_stmt_condition_1): ... here.  Recurse into
6792         BIT_AND_EXPRs and BIT_IOR_EXPRs.
6793
6794 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
6795
6796         PR target/69810
6797         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
6798         (zero_extendqi<mode>2_dot): Revert earlier conversion from
6799         define_insn_and_split to define_insn.
6800         (zero_extendqi<mode>2_dot2): Same.
6801         (extendqi<mode>2_dot): Same.
6802         (extendqi<mode>2_dot2): Same.
6803
6804 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6805
6806         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
6807         (probe_stack): New expander.
6808         (probe_stack_<mode>): New insn pattern.
6809
6810 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6811
6812         * config/i386/i386.md
6813         (operations with memory inputs setting flags peephole2):
6814         Remove uneeded REG_P checks.  Cleanup pattern generation.
6815
6816 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
6817
6818         * tree-vect-loop.c (vect_transform_loop): Fix
6819         nb_iterations_upper_bound computation for vectorized loop.
6820
6821 2016-04-29  Marek Polacek  <polacek@redhat.com>
6822             Jakub Jelinek  <jakub@redhat.com>
6823
6824         PR sanitizer/70342
6825         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
6826         TARGET_EXPR_SLOT as a base.
6827
6828 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
6829
6830         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
6831         with 'rCm2' constraints to limit possible immediate size.
6832         (*load_zeroextendqisi_update): Likewise.
6833         (*load_signextendqisi_update): Likewise.
6834         (*loadhi_update): Likewise.
6835         (*load_zeroextendhisi_update): Likewise.
6836         (*load_signextendhisi_update): Likewise.
6837         (*loadsi_update): Likewise.
6838         (*loadsf_update): Likewise.
6839
6840 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6841
6842         * config/i386/predicates.md (constm1_operand): Fix comparison.
6843
6844 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6845
6846         * testsuite/gcc.target/arc/ieee_eq.c: New test.
6847
6848 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
6849
6850         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
6851         remaining SH5 related settings.
6852         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
6853         shmedia_prepare_call_address): Delete.
6854         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
6855         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
6856         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
6857         UNSUPPORTED_SH2A): Remove m5 checks.
6858         (sh_divide_strategy_e): Remove SH5 division strategies.
6859         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
6860         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
6861
6862 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6863
6864         * config/s390/s390.c (s390_rtx_costs): Update documentation.
6865
6866 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6867
6868         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
6869         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
6870         Change lder to ldr.
6871         * config/s390/vector.md ("mov<mode>"): Likewise.
6872
6873 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
6874
6875         * config/s390/constraints.md ("U", "W"): Invoke
6876         s390_mem_constraint with "ZR" and "ZT".
6877         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
6878         addresses when using LRA.  Accept also short displacements for S
6879         and T constraints.  Do not check for long displacement target for
6880         S and T constraints.
6881         (s390_mem_constraint): Remove handling of U and W constraints.
6882         * config/s390/s390.md (various patterns): Remove the short
6883         displacement constraints (Q and R) if a long displacement
6884         constraint is present.  Add longdisp as required CPU capability.
6885         * config/s390/vector.md: Likewise.
6886         * config/s390/vx-builtins.md: Likewise.
6887
6888 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6889
6890         PR target/60040
6891         * reload1.c (reload): Call finish_spills before
6892         restarting reload loop. Skip select_reload_regs
6893         if update_eliminables_and_spill returns true.
6894
6895 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
6896
6897         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
6898         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
6899         (umulhisi3_imm): Update predicates and constraint letters.
6900         (umulhisi3_reg): Declare instruction as commutative.
6901         * config/arc/constraints.md (J12, J16): New constraints.
6902         * config/arc/predicates.md (short_unsigned_const_operand): New
6903         predicate.
6904         (arc_short_operand): Likewise.
6905         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
6906
6907 2016-04-29  Richard Biener  <rguenther@suse.de>
6908
6909         PR tree-optimization/13962
6910         PR tree-optimization/65686
6911         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
6912         * tree-ssa-alias.c (ptrs_compare_unequal): New function
6913         using PTA to compare pointers.
6914         * match.pd: Add pattern for pointer equality compare simplification
6915         using ptrs_compare_unequal.
6916
6917 2016-04-29  Richard Biener  <rguenther@suse.de>
6918
6919         * stor-layout.c (layout_type): Do not build a pointer-to-element
6920         type for arrays.
6921
6922 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
6923
6924         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
6925         Use SWI mode iterator.  Use general_reg_operand predicate.
6926         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
6927         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
6928         predicates.
6929
6930 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
6931
6932         PR middle-end/70843
6933         * fold-const.c (operand_equal_p): Don't verify hash value equality
6934         if arg0 == arg1.
6935         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
6936         and OMP_CLAUSE.
6937
6938 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
6939
6940         PR target/70858
6941         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
6942         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
6943         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
6944         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
6945         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
6946
6947 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
6948
6949         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
6950         to info.  Don't initialize separate fields to 0.  Clean up
6951         formatting a bit.
6952
6953 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
6954
6955         * config/i386/i386.md (peephole2s for operations with memory inputs):
6956         Use SWI mode iterator.
6957         (peephole2s for operations with memory outputs): Ditto.
6958         Do not check for stack checking probe.
6959
6960         (probe_stack): Remove expander.
6961
6962 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6963             Andrew Burgess  <andrew.burgess@embecosm.com>
6964
6965         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
6966         operands as 32-bits.
6967
6968 2016-04-28  Jason Merrill  <jason@redhat.com>
6969
6970         * gdbinit.in: Skip line-map.h.
6971
6972 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
6973             Andrew Burgess  <andrew.burgess@embecosm.com>
6974
6975         * config/arc/arc.c (arc_conditional_register_usage): Take
6976         TARGET_RRQ_CLASS into account.
6977         (arc_print_operand): Support printing 'p' and 's' operands.
6978         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
6979         as 0.
6980         (TARGET_RRQ_CLASS): Define.
6981         (IS_POWEROF2_OR_0_P): Define.
6982         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
6983         alternatives.
6984         (*tst_movb): New define_insn.
6985         (*tst): Avoid recognition if it could prevent '*tst_movb'
6986         combination; replace c/CnL with c/Chs alternative.
6987         (*tst_bitfield_tst): New define_insn.
6988         (*tst_bitfield_asr): New define_insn.
6989         (*tst_bitfield): New define_insn.
6990         (andsi3_i): Add Rrq variant.
6991         (extzv): New define_expand.
6992         (insv): New define_expand.
6993         (*insv_i): New define_insn.
6994         (*movb): New define_insn.
6995         (*movb_signed): New define_insn.
6996         (*movb_high): New define_insn.
6997         (*movb_high_signed): New define_insn.
6998         (*movb_high_signed + 1): New define_split pattern.
6999         (*mrgb): New define_insn.
7000         (*mrgb + 1): New define_peephole2 pattern.
7001         (*mrgb + 2): New define_peephole2 pattern.
7002         * config/arc/arc.opt (mbitops): New option for nps400, uses
7003         TARGET_NPS_BITOPS_DEFAULT.
7004         * config/arc/constraints.md (q): Make register class conditional.
7005         (Rrq): New register constraint.
7006         (Chs): New constraint.
7007         (Clo): New constraint.
7008         (Chi): New constraint.
7009         (Cbf): New constraint.
7010         (Cbn): New constraint.
7011         (C18): New constraint.
7012         (Cbi): New constraint.
7013
7014 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7015
7016         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
7017         dst->popcount.
7018         (bitmap_intersection_of_preds): Ditto.
7019         (bitmap_union_of_succs): Ditto.
7020         (bitmap_union_of_preds): Ditto.
7021         * sbitmap.c (do_popcount): Delete.
7022         (BITMAP_DEBUGGING): Delete.
7023         (sbitmap_verify_popcount): Delete.
7024         (sbitmap_alloc): Don't initialize the popcount field.
7025         (sbitmap_alloc_with_popcount): Delete.
7026         (sbitmap_resize): Don't resize the popcount array.
7027         (sbitmap_vector_alloc): Don't initialize the popcount field.
7028         (bitmap_copy): Don't copy the popcount array.
7029         (bitmap_clear): Don't clear the popcount array.
7030         (bitmap_clear): Delete the popcount array handling.
7031         (bitmap_ior_and_compl): Delete the popcount assert.
7032         (bitmap_not): Ditto.
7033         (bitmap_and_compl): Ditto.
7034         (bitmap_and): Delete the popcount array handling.
7035         (bitmap_xor): Ditto.
7036         (bitmap_ior): Ditto.
7037         (bitmap_or_and): Delete the popcount assert.
7038         (bitmap_and_or): Ditto.
7039         (popcount_table): Delete.
7040         (sbitmap_elt_popcount): Delete.
7041         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
7042         (bitmap_set_bit): Delete the popcount assert.
7043         (bitmap_clear_bit): Ditto.
7044         (sbitmap_free): Don't free the popcount array.
7045         (sbitmap_alloc_with_popcount): Delete declaration.
7046         (sbitmap_popcount): Ditto.
7047
7048 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7049             Andrew Burgess  <andrew.burgess@embecosm.com>
7050
7051         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
7052         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
7053         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
7054         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
7055         * config/arc/arc.opt (mcmem): New option.
7056         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
7057         supply length for r/m alternative.
7058         (*extendqisi2_ac): Likewise.
7059         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
7060         r/Uex alternative.
7061         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
7062         (movhi_insn): Likewise.
7063         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
7064         (*zero_extendqihi2_i): Add r/Ucm alternative.
7065         (*zero_extendqisi2_ac): Likewise.
7066         (*zero_extendhisi2_i): Likewise.
7067         * config/arc/constraints.md (Uex): New memory constraint.
7068         (Ucm): New define_constraint.
7069         * config/arc/predicates.md (long_immediate_loadstore_operand):
7070         Return 0 for MEM with cmem_address address.
7071         (cmem_address_0): New predicates.
7072         (cmem_address_1): Likewise.
7073         (cmem_address_2): Likewise.
7074         (cmem_address): Likewise.
7075
7076 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7077
7078         * config/rs6000/rs6000.c (machine_function): Rename
7079         insn_chain_scanned_p to spe_insn_chain_scanned_p.
7080         (rs6000_stack_info): Adjust.
7081
7082 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
7083             Andrew Burgess  <andrew.burgess@embecosm.com>
7084
7085         * config/arc/constraints.md (Usd): Convert to define_constraint.
7086         (Us<): Likewise.
7087         (Us>): Likewise.
7088
7089 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7090
7091         PR target/70821
7092         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
7093         Add new peephole2 where the first insn is *mov<mode>_or instead of
7094         *mov<mode>_internal.
7095
7096 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
7097
7098         * tracer.c (bb_seen): Make static.
7099
7100 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
7101
7102         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
7103         support, setup defaults.
7104         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
7105         * config/arc/arc.c (arc_init): Add NPS400 support.
7106         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
7107         (TARGET_ARC700): NPS400 is also an ARC700.
7108         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
7109
7110 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
7111
7112         PR target/70668
7113         * config/nds32/nds32.md (casesi): Don't access the operands array
7114         out of bounds.
7115
7116 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7117
7118         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
7119         (or $-1,reg peephole2): Ditto.
7120         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
7121
7122 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
7123
7124         * doc/extend.texi (Common Function Attributes) [optimize]:
7125         Discourage use of the optimize attribute.
7126
7127 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
7128
7129         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
7130         special case builtin.
7131         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
7132         ALTIVEC_BUILTIN_VEC_ADDE.
7133         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
7134         support for ALTIVEC_BUILTIN_VEC_ADDE.
7135         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
7136         for __builtin_vec_adde.
7137
7138 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
7139
7140         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
7141         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
7142
7143 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7144
7145         PR testsuite/70595
7146         * doc/sourcebuild.texi (Effective-Target Keywords, Other
7147         attributes): Document cilkplus_runtime.
7148
7149 2016-04-28  Martin Jambor  <mjambor@suse.cz>
7150
7151         * tree-cfg.c (verify_expr): Verify that local declarations belong to
7152         this function.  Call verify_expr on MEM_REFs and bases of other
7153         handled_components.
7154
7155 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7156
7157         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
7158         for WORD_REGISTER_OPERATIONS to runtime check.
7159
7160 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7161
7162         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
7163
7164 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7165
7166         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
7167         big-endian compilation.
7168         * config/arc/arc.md (addf3): Likewise.
7169         (subdf3): Likewise.
7170         (muldf3): Likewise.
7171
7172 2016-04-28  Richard Biener  <rguenther@suse.de>
7173
7174         PR tree-optimization/70840
7175         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
7176         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
7177         Mark x * pow(x,c) -> pow(x,c+1) commutative.
7178         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
7179
7180 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7181
7182         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
7183         and explain why in a comment.
7184
7185 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7186
7187         * config/arc/arc.md (cpu_facility): Add fpx variant.
7188         (subdf3): Prohibit use reverse sub when assist operations option
7189         is enabled.
7190         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
7191         instructions only when FPX is enabled.
7192         * testsuite/gcc.target/arc/trsub.c: New test.
7193
7194 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7195
7196         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
7197         mult_operator when calculating "type" attribute.
7198         (*fop_<mode>_1_i387): Ditto.
7199         (*fop_xf_1_i387): Ditto.
7200         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
7201         Use std::swap to swap operands.  Use RTL expressions to generate
7202         converted pattern.
7203
7204 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7205             Joern Rennecke  <joern.rennecke@embecosm.com>
7206
7207         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
7208         declaration.
7209         (emit_pic_move): Remove.
7210         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
7211         * config/arc/arc.c (emit_pic_move): Removed.
7212         (TARGET_HAVE_TLS): Define.
7213         (arc_conditional_register_usage): Test for arc_tp_regno.
7214         (arc_print_operand, arc_print_operand_address): Handle TLS
7215         unspecs.
7216         (arc_needs_pcl_p): New function.
7217         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
7218         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
7219         (arc_raw_symbolic_reference_mentioned_p): Likewise.
7220         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
7221         (arc_legitimize_tls_address): Likewise.
7222         (DTPOFF_ZERO_SYM): Define.
7223         (arc_legitimize_pic_address): Make it static, handle TLS cases.
7224         (arc_output_pic_addr_const): Print TLS unspecs.
7225         (prepare_pic_move): New function, replaces emit_pic_move.
7226         (arc_legitimate_constant_p): Handle TLS unspecs.
7227         (arc_legitimate_address_p): Likewise.
7228         (arc_rewrite_small_data_p): Use assert for TLS constants.
7229         (prepare_move_operands): Use prepare_pic_move.
7230         (arc_legitimize_address): Legitimize tls addresses.
7231         (arc_epilogue_uses): Check for arc_tp_regno.
7232         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
7233         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
7234         Define.
7235         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
7236         Likewise.
7237         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
7238         %(arc_tls_extra_start_spec).
7239         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
7240         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
7241         (EH_USES): Define.
7242         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
7243         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
7244         (UNSPEC_TLS_OFF): Add.
7245         (R10_REG): Define.
7246         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
7247         (get_thread_pointersi): New patterns.
7248         * config/arc/arc.opt (mtp-regno): New option.
7249         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
7250         (move_dest_operand): Likewise.
7251         * configure: Regenerate.
7252         * configure.ac: Add arc*-*-* case to test for tls.
7253         * doc/invoke.texi (ARC options): Document mtp-regno.
7254
7255 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
7256
7257         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
7258         the new ARC HS SIMD instructions.
7259         (arc_preferred_simd_mode): New function.
7260         (arc_autovectorize_vector_sizes): Likewise.
7261         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
7262         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
7263         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
7264         (arc_init_builtins): Add new SIMD builtin types.
7265         (arc_split_move): Handle 64 bit vector moves.
7266         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
7267         (TARGET_PLUS_QMACW): Define.
7268         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
7269         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
7270         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
7271         (VSUBADD4H): New builtins.
7272         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
7273         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
7274
7275 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
7276             Matthias Klose  <doko@debian.org>
7277
7278         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
7279
7280 2016-04-28  Richard Biener  <rguenther@suse.de>
7281
7282         PR middle-end/70777
7283         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
7284         canonicalization.
7285
7286 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
7287
7288         * common/config/sh/sh-common.c: Remove SH5 support.
7289         * config/sh/constraints.md: Likewise.
7290         * config/sh/config/sh/elf.h: Likewise.
7291         * config/sh/linux.h: Likewise.
7292         * config/sh/netbsd-elf.h: Likewise.
7293         * config/sh/predicates.md: Likewise.
7294         * config/sh/sh-c.c: Likewise.
7295         * config/sh/sh-protos.h: Likewise.
7296         * config/sh/sh.c: Likewise.
7297         * config/sh/sh.h: Likewise.
7298         * config/sh/sh.md: Likewise.
7299         * config/sh/sh.opt: Likewise.
7300         * config/sh/sync.md: Likewise.
7301         * config/sh/sh64.h: Delete.
7302         * config/sh/shmedia.h: Likewise.
7303         * config/sh/shmedia.md: Likewise.
7304         * config/sh/sshmedia.h: Likewise.
7305         * config/sh/t-netbsd-sh5-64: Likewise.
7306         * config/sh/t-sh64: Likewise.
7307         * config/sh/ushmedia.h: Likewise.
7308
7309 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
7310
7311         * config/i386/i386.md (sign_extend to memory peephole2s): Use
7312         general_reg_operand instead of register_operand predicate.
7313
7314 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7315
7316         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
7317
7318 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
7319
7320         * match.pd (A - B > A, A + B < A): New transformations.
7321
7322 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
7323
7324         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
7325         which defaults to true.  Emit an outer pair of parentheses only if
7326         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
7327         don't emit parentheses for the right-hand operand.
7328
7329 2016-04-27  Jeff Law  <law@redhat.com>
7330
7331         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
7332
7333 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7334
7335         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
7336         (altivec_lvx_<mode>_internal): Document.
7337         (altivec_lvx_<mode>_2op): New define_insn.
7338         (altivec_lvx_<mode>_1op): Likewise.
7339         (altivec_lvx_<mode>_2op_si): Likewise.
7340         (altivec_lvx_<mode>_1op_si): Likewise.
7341         (altivec_stvx_<mode>): Remove.
7342         (altivec_stvx_<mode>_internal): Document.
7343         (altivec_stvx_<mode>_2op): New define_insn.
7344         (altivec_stvx_<mode>_1op): Likewise.
7345         (altivec_stvx_<mode>_2op_si): Likewise.
7346         (altivec_stvx_<mode>_1op_si): Likewise.
7347         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
7348         Expand vec_ld and vec_st during parsing.
7349         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
7350         changes.
7351         (altivec_expand_stvx_be): Likewise.
7352         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
7353         address-masking behavior in RTL.
7354         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
7355         address-masking behavior in RTL.
7356         (altivec_expand_builtin): Change builtin code arguments for calls
7357         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
7358         (insn_is_swappable_p): Avoid incorrect swap optimization in the
7359         presence of lvx/stvx patterns.
7360         (alignment_with_canonical_addr): New function.
7361         (alignment_mask): Likewise.
7362         (find_alignment_op): Likewise.
7363         (recombine_lvx_pattern): Likewise.
7364         (recombine_stvx_pattern): Likewise.
7365         (recombine_lvx_stvx_patterns): Likewise.
7366         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
7367         stvx patterns from expand.
7368         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
7369         expansions.
7370         (vector_altivec_store_<mode>): Likewise.
7371
7372 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
7373
7374         * config/aarch64/aarch64.md
7375         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
7376         remove the "fp" attributes.
7377         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
7378         add the "simd" attributes.
7379         (*movdf_aarch64): Likewise.
7380         (*movtf_aarch64): Remove the "fp" attributes.
7381         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
7382         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
7383
7384 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7385
7386         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
7387         rtx to rtx_code_label *.
7388         * rtl.h (maybe_set_first_label_num): Likewise.
7389
7390 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7391
7392         * df-core.c (df_add_problem): Make the problem param be const.
7393         (df_remove_problem): Make local "problem" be const.
7394         * df-problems.c (problem_RD): Make const.
7395         (problem_LR): Likewise.
7396         (problem_LIVE): Likewise.
7397         (problem_MIR): Likewise.
7398         (problem_CHAIN): Likewise.
7399         (problem_WORD_LR): Likewise.
7400         (problem_NOTE): Likewise.
7401         (problem_MD): Likewise.
7402         * df-scan.c (problem_SCAN): Likewise.
7403         * df.h (struct df_problem): Make field "dependent_problem" be
7404         const.
7405         (struct dataflow): Likewise for field "problem".
7406         (df_add_problem): Make param const.
7407
7408 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7409
7410         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
7411         inter-unit moves to/from vector registers are enabled.  Do not disable
7412         for TARGET_MMX.
7413
7414 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7415
7416         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
7417         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
7418         #define to...
7419         (enum df_problem_id): ...this new enum.
7420         (struct df_problem): Convert field "id" from "int" to
7421         enum df_problem_id.
7422
7423 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
7424
7425         * rtl.def: Update comment for "things in the instruction chain" to
7426         reflect the removal of the leading "i" field for INSN_UID in
7427         r210360.  Fix bogus apostrophe.
7428
7429 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
7430
7431         * config/i386/i386.md
7432         (lea arith with mem operand + setcc peephole2): Set operator mode.
7433
7434 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7435
7436         PR target/70155
7437         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
7438         (dimode_scalar_to_vector_candidate_p): This.
7439         (timode_scalar_to_vector_candidate_p): New function.
7440         (scalar_to_vector_candidate_p): Likewise.
7441         (timode_check_non_convertible_regs): Likewise.
7442         (timode_remove_non_convertible_regs): Likewise.
7443         (remove_non_convertible_regs): Likewise.
7444         (remove_non_convertible_regs): Renamed to ...
7445         (dimode_remove_non_convertible_regs): This.
7446         (scalar_chain::~scalar_chain): Make it virtual.
7447         (scalar_chain::compute_convert_gain): Make it pure virtual.
7448         (scalar_chain::mark_dual_mode_def): Likewise.
7449         (scalar_chain::convert_insn): Likewise.
7450         (scalar_chain::convert_registers): Likewise.
7451         (scalar_chain::add_to_queue): Make it protected.
7452         (scalar_chain::emit_conversion_insns): Likewise.
7453         (scalar_chain::replace_with_subreg): Likewise.
7454         (scalar_chain::replace_with_subreg_in_insn): Likewise.
7455         (scalar_chain::convert_op): Likewise.
7456         (scalar_chain::convert_reg): Likewise.
7457         (scalar_chain::make_vector_copies): Likewise.
7458         (scalar_chain::convert_registers): New pure virtual function.
7459         (class dimode_scalar_chain): New class.
7460         (class timode_scalar_chain): Likewise.
7461         (scalar_chain::mark_dual_mode_def): Renamed to ...
7462         (dimode_scalar_chain::mark_dual_mode_def): This.
7463         (timode_scalar_chain::mark_dual_mode_def): New function.
7464         (timode_scalar_chain::convert_insn): Likewise.
7465         (dimode_scalar_chain::convert_registers): Likewise.
7466         (scalar_chain::compute_convert_gain): Renamed to ...
7467         (dimode_scalar_chain::compute_convert_gain): This.
7468         (scalar_chain::replace_with_subreg): Renamed to ...
7469         (dimode_scalar_chain::replace_with_subreg): This.
7470         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
7471         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
7472         (scalar_chain::make_vector_copies): Renamed to ...
7473         (dimode_scalar_chain::make_vector_copies): This.
7474         (scalar_chain::convert_reg): Renamed to ...
7475         (dimode_scalar_chain::convert_reg ): This.
7476         (scalar_chain::convert_op): Renamed to ...
7477         (dimode_scalar_chain::convert_op): This.
7478         (scalar_chain::convert_insn): Renamed to ...
7479         (dimode_scalar_chain::convert_insn): This.
7480         (scalar_chain::convert): Call convert_registers.
7481         (convert_scalars_to_vector): Change to scalar_chain pointer to
7482         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
7483         in 32-bit mode.  Delete scalar_chain pointer.  Call
7484         free_dominance_info in 64-bit mode.
7485         (pass_stv::gate): Remove TARGET_64BIT check.
7486         (ix86_option_override): Put the 64-bit STV pass before the CSE
7487         pass.
7488
7489 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
7490
7491         * dwarf2out.h (struct dw_loc_descr_node): Remove the
7492         dw_loc_frame_offset field.
7493         * dwarf2out.c (new_loc_descr): Likewise.
7494         (resolve_args_picking_1): Turn the VISITED hash set into a
7495         FRAME_OFFSET hash map. Use it to associate a frame offset to
7496         visited nodes. Remove uses of the CHECKING_P macro.
7497         (resolve_args_picking): Update call to resolve_args_picking_1.
7498
7499 2016-04-27  Martin Liska  <mliska@suse.cz>
7500
7501         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
7502         (free_loop_data): Release vuses of groups.
7503
7504 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
7505
7506         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
7507         instead of redundant use_id and boolean have_use_for.
7508         (struct iv_use): Change sub_id into group_id.  Remove field next.
7509         Move fields: related_cands, n_map_members, cost_map and selected
7510         to ...
7511         (struct iv_group): ... here.  New structure.
7512         (struct iv_common_cand): Use structure declaration directly.
7513         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
7514         (MAX_CONSIDERED_USES): Rename macro to ...
7515         (MAX_CONSIDERED_GROUPS): ... here.
7516         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
7517         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
7518         (dump_uses): Rename to ...
7519         (dump_groups): ... here.  Update all uses.
7520         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
7521         (find_induction_variables): Refactor format of dump information.
7522         (record_sub_use): Delete.
7523         (record_use): Update all uses.
7524         (record_group): New function.
7525         (record_group_use, find_interesting_uses_op): Call above functions.
7526         Update all uses.
7527         (find_interesting_uses_cond): Ditto.
7528         (group_compare_offset): New function.
7529         (split_all_small_groups): Rename to ...
7530         (split_small_address_groups_p): ... here.  Update all uses.
7531         (split_address_groups):  Update all uses.
7532         (find_interesting_uses): Refactor format of dump information.
7533         (add_candidate_1): Update all uses.  Remove redundant check on iv,
7534         base and step.
7535         (add_candidate, record_common_cand): Remove redundant assert.
7536         (add_iv_candidate_for_biv): Update use.
7537         (add_iv_candidate_derived_from_uses): Update all uses.
7538         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
7539         (alloc_use_cost_map): Ditto.
7540         (set_use_iv_cost, get_use_iv_cost): Rename to ...
7541         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
7542         (determine_use_iv_cost_generic): Ditto.
7543         (determine_group_iv_cost_generic): Ditto.
7544         (determine_use_iv_cost_address): Ditto.
7545         (determine_group_iv_cost_address): Ditto.
7546         (determine_use_iv_cost_condition): Ditto.
7547         (determine_group_iv_cost_cond): Ditto.
7548         (determine_use_iv_cost): Ditto.
7549         (determine_group_iv_cost): Ditto.
7550         (set_autoinc_for_original_candidates): Update all uses.
7551         (find_iv_candidates): Update all uses.  Refactor dump information.
7552         (determine_use_iv_costs): Ditto.
7553         (determine_iv_costs): Ditto.
7554         (iv_ca_cand_for_use): Rename to ...
7555         (iv_ca_cand_for_group): ... here.  Update all uses.
7556         (iv_ca_add_use, iv_ca_add_group): Ditto.
7557         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
7558         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
7559         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
7560         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
7561         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
7562         (create_new_iv, adjust_iv_update_pos): Ditto.
7563         (rewrite_use_address): Delete.
7564         (rewrite_use_address_1): Rename to ...
7565         (rewrite_use_address): ... here.
7566         (rewrite_use_compare): Update all uses.
7567         (rewrite_use): Delete.
7568         (rewrite_uses): Rename to ...
7569         (rewrite_groups): ... here.  Update all uses.
7570         (remove_unused_ivs, free_loop_data): Update all uses.
7571         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
7572
7573 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7574
7575         * rtlanal.c (nonzero_bits1): Convert preprocessor check
7576         for WORD_REGISTER_OPERATIONS to runtime check.
7577
7578 2016-04-27  Richard Biener  <rguenther@suse.de>
7579
7580         PR ipa/70760
7581         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
7582         aggregate_value_p to determine if a function result is
7583         returned by reference.
7584         (ipa_pta_execute): Functions having their address taken are
7585         not automatically nonlocal.
7586
7587 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7588
7589         PR sanitizer/70683
7590         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
7591         * fold-const.c (operand_equal_p): If flag_checking and
7592         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
7593         and if it returns non-zero, assert iterative_hash_expr on both
7594         args is the same.
7595
7596 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7597
7598         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
7599
7600 2016-04-27  Nick Clifton  <nickc@redhat.com>
7601
7602         PR middle-end/49889
7603         * varasm.c (merge_weak): Generate an error if an attempt is made
7604         to convert a non-weak static function into a weak, public function.
7605
7606 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
7607
7608         * params.def (MAX_PARTITION_SIZE): New param.
7609         * doc/invoke.texi: Document lto-max-partition.
7610
7611 2016-04-27  Richard Biener  <rguenther@suse.de>
7612
7613         PR ipa/70785
7614         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
7615         function cummulating used_from_other_partition, externally_visible
7616         and force_output from aliases.
7617         (refered_from_nonlocal_var): Likewise.
7618         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
7619         node flags properly.
7620
7621 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
7622
7623         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
7624         (-Wmemset-elt-size): New item.
7625
7626 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
7627
7628         PR ada/70759
7629         * stor-layout.h (internal_reference_types): Delete.
7630         * stor-layout.c (reference_types_internal): Likewise.
7631         (internal_reference_types): Likewise.
7632         (layout_type) <REFERENCE_TYPE>: Adjust.
7633
7634 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
7635
7636         PR sanitizer/70683
7637         * tree.h (inchash::add_expr): Add FLAGS argument.
7638         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
7639         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
7640         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
7641         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
7642         if swap_tree_comparison (code) is smaller than code, hash that
7643         and arguments in the other order.  Hash CONVERT_EXPR the same
7644         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
7645         of ADDR_EXPR of decl as the decl itself.  Add or remove
7646         OEP_ADDRESS_OF from recursive flags as needed.  For
7647         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
7648         operands commutatively and only the third one normally.
7649         For internal CALL_EXPR hash in CALL_EXPR_IFN.
7650
7651 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7652
7653         * config/rtems.h (LIB_SPEC): Add -latomic.
7654
7655 2016-04-27  Joel Sherrill  <joel@rtems.org>
7656
7657         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
7658         xilink.ld and flags not relevant to RTEMS.
7659
7660 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
7661
7662         * toplev.c (backend_init_target): Avoid calling init_reload when using
7663         LRA.
7664
7665 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7666
7667         * reorg.c (try_merge_delay_insns): Declare i and j inside the
7668         for loops rather than one for the whole function.
7669
7670 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7671
7672         * match.pd (X + CST CMP X): New transformation.
7673
7674 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
7675
7676         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
7677         * fold-const.c (fold_binary_loc): Remove 2 transformations
7678         superseded by match.pd.
7679         * match.pd (x+x -> x*2): Generalize to integers.
7680
7681 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
7682
7683         * config/i386/i386.md (operation on memory peephole): Duplicate an
7684         existing peephole and adapt it to match lea rather than an operation
7685         that clobbers CC.
7686
7687         PR rtl-optimization/57193
7688         * opts.c (default_options_table): Add OPT_frename_registers at -O2
7689         and above.
7690         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
7691
7692 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7693
7694         * tree-if-conv.c (any_pred_load_store): New static variable.
7695         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
7696         any_pred_load_store instead of and_mask_load_store.
7697         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
7698         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
7699         (combine_blocks, tree_if_conversion): Ditto.
7700
7701 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
7702
7703         PR tree-optimization/70771
7704         PR tree-optimization/70775
7705         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
7706         virtual PHI nodes.  Delete parameter.
7707         (if_convertible_loop_p_1): Delete argument to above function.
7708         (predicate_all_scalar_phis): Delete code handling single-argument
7709         PHIs.
7710         (tree_if_conversion): Mark and update virtual SSA.
7711
7712 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7713
7714         PR target/61821
7715         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
7716         (x86_elf_aligned_common): Rename to ...
7717         (x86_elf_aligned_decl_common): ... this.
7718         Add decl arg.  Switch to .lbss for largecomm object.  Use
7719         LARGECOMM_SECTION_ASM_OP.
7720         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
7721         renaming.
7722         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
7723         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
7724         Pass new decl arg.
7725         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
7726         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
7727
7728 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7729
7730         PR target/59407
7731         * config/i386/i386.c (SECTION_LARGE): Define.
7732         (x86_64_elf_select_section): Set it for large data/bss sections.
7733         Only clear SECTION_WRITE for .lrodata.
7734         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
7735         data/bss sections.
7736         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
7737         * varasm.c (default_elf_asm_named_section): Grow flagchars.
7738         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
7739         SECTION_MACH_DEP.
7740         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
7741         * doc/tm.texi: Regenerate.
7742
7743 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
7744
7745         PR bootstrap/70704
7746         * configure.ac (--enable-checking): Document extra flag, for
7747         non-release builds default to --enable-checking=yes,extra.
7748         If misc checking and extra checking, define CHECKING_P to 2 instead
7749         of 1.
7750         * common.opt (fchecking=): Add.
7751         * doc/invoke.texi (-fchecking=): Document.
7752         * doc/install.texi: Document --enable-checking changes.
7753         * configure: Regenerated.
7754         * config.in: Regenerated.
7755
7756 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7757
7758         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
7759         attribute instead of which_alternative.
7760         * config/i386/sse.md (*mov<mode>_internal): Ditto.
7761         Use EXT_REX_SSE_REG_P where appropriate.
7762
7763 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7764
7765         * config/i386/predicates.md (const0_operand): Do not match
7766         const_wide_int code.
7767         (const1_operand): Ditto.
7768
7769 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7770
7771         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
7772         for SSE constm1 operands and TARGET_AVX512VL.
7773         (*movti_internal): Ditto.
7774         (*mov<mode>_or): Use constm1_operand predicate.
7775         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
7776         for SSE vector_all_ones operands and TARGET_AVX512VL.
7777         * config/i386/predicates.md (constm1_operand): New predicate.
7778         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
7779         emission of constant -1 load.
7780
7781 2016-04-25  Jason Merrill  <jason@redhat.com>
7782
7783         * gdbinit.in: Skip is-a.h.
7784
7785         * attribs.c (register_scoped_attributes): Fix logic.
7786         * attribs.h: Declare register_scoped_attributes.
7787
7788 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7789
7790         * config/rs6000/rs6000-builtin.def: Correct pasto error for
7791         stxvd2x and stxvw4x built-in functions.
7792
7793 2016-04-25  DJ Delorie  <dj@redhat.com>
7794
7795         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
7796         (ashrhi3): Likewise.
7797         (lshrhi3): Likewise.
7798
7799 2016-04-25  Richard Biener  <rguenther@suse.de>
7800
7801         PR tree-optimization/70780
7802         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
7803         wasn't visited yet.
7804         (compute_antic): Mark blocks with abnormal preds as visited as
7805         they have a final empty antic-in solution already.
7806
7807 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7808
7809         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
7810
7811 2016-04-25  Michael Collison  <michael.collison@linaro.org>
7812
7813         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
7814         mode is VQI to improve mixed mode vectorization.
7815         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
7816         define_insn to match low half of signed vaddw.
7817         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
7818         define_insn to match high half of signed vaddw.
7819         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
7820         define_insn to match low half of unsigned vaddw.
7821         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
7822         define_insn to match high half of unsigned vaddw.
7823         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
7824         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7825         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
7826         for new function.
7827         (arm_simd_check_vect_par_cnst_half_p): Likewise.
7828         * config/arm/predicates.md (vect_par_constant_high): Support
7829         big endian and simplify by calling
7830         arm_simd_check_vect_par_cnst_half
7831         (vect_par_constant_low): Likewise.
7832
7833 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
7834
7835         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
7836         predicate for operand 2.
7837
7838 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
7839             H.J. Lu  <hongjiu.lu@intel.com>
7840
7841         * config/i386/i386-protos.h (standard_sse_constant_p): Add
7842         machine_mode argument.
7843         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
7844         constm1_rtx operands.  For VOIDmode constants, get mode from
7845         pred_mode.  Check mode size if the mode is supported by ABI.
7846         (standard_sse_constant_opcode): Do not use standard_constant_p.
7847         Strictly check ABI support for all-ones operands.
7848         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
7849         immediates. Update calls to standard_sse_constant_p.
7850         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
7851         (ix86_rtx_costs): Ditto.
7852         * config/i386/i386.md (*movxi_internal_avx512f): Use
7853         nonimmediate_or_sse_const_operand instead of vector_move_operand.
7854         Use (v,BC) alternative instead of (v,C). Use register_operand
7855         checks instead of MEM_P.
7856         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
7857         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
7858         isa attribute.  Use register_operand checks instead of MEM_P.
7859         (*movti_internal): Use nonimmediate_or_sse_const_operand for
7860         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
7861         alternative and corresponding sse2 isa attribute.
7862         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
7863         to standard_sse_constant_p.
7864         (FP constant splitters): Ditto.
7865         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
7866         (C): Ditto.
7867         * config/i386/predicates.md (constm1_operand): Remove.
7868         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
7869         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
7870         vector_all_ones_operand instead of constm1_operand.
7871
7872 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7873
7874         * print-rtl.c (print_rtx_insn_vec): New function.
7875         * print-rtl.h: New prototype.
7876         * store-motion.c (struct st_expr): Make avail_stores a vector.
7877         (st_expr_entry): Adjust.
7878         (free_st_expr_entry): Likewise.
7879         (print_store_motion_mems): Likewise.
7880         (find_moveable_store): Likewise.
7881         (compute_store_table): Likewise.
7882         (delete_store): Likewise.
7883         (build_store_vectors): Likewise.
7884
7885 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7886
7887         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
7888
7889 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7890
7891         * vec.h (vec_safe_contains): New function.
7892         (vec::contains): Likewise.
7893         (vec::begin): Likewise.
7894         (vec::end): Likewise.
7895
7896 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
7897
7898         PR sanitizer/70712
7899         * cfgexpand.c (expand_stack_vars): Fix typo.
7900
7901 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7902
7903         * system.h (list, map, set, vector): Include conditionally.
7904         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
7905         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
7906         * ipa-icf.c (INCLUDE_LIST): Define.
7907         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
7908         * config/sh/sh.c (INCLUDE_VECTOR): Define.
7909         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
7910         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
7911         * cp/logic.cc (INCLUDE_LIST): Define.
7912         * fortran/trans-common.c (INCLUDE_MAP): Define.
7913
7914 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
7915
7916         * auto-profile.c: Remove <string.h> include.
7917         * ipa-icf-gimple.c: Remove <list> include.
7918         * diagnostic.c: Remove <new> include.
7919         * genmatch.c: Likewise.
7920         * pretty-print.c: Likewise.
7921         * toplev.c: Likewise
7922         * c/c-objc-common.c: Likewise.
7923         * cp/error.c: Likewise.
7924         * fortran/error.c: Likewise.
7925
7926 2016-04-22  Richard Biener  <rguenther@suse.de>
7927
7928         * lto-streamer-in.c (input_ssa_names): Do not allocate
7929         GIMPLE_NOP for all SSA names.
7930         * lto-streamer-out.c (output_ssa_names): Do not output
7931         SSA names that should have been released.
7932
7933 2016-04-22  Richard Biener  <rguenther@suse.de>
7934
7935         PR tree-optimization/70740
7936         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
7937         VDEF.
7938
7939 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
7940
7941         PR target/70750
7942         * config/i386/predicates.md (call_insn_operand): Replace
7943         sibcall_memory_operand with memory_operand.
7944
7945 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
7946
7947         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
7948         has_single_use() tests.
7949         (register_edge_assert_for_1): Likewise.
7950         (find_assert_locations_1): Check the liveness bitmap instead of
7951         checking has_single_use().
7952
7953 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
7954
7955         PR target/70728
7956         * config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
7957         Extract AVX-512BW constraint from AVX.
7958
7959 2016-04-21  Richard Biener  <rguenther@suse.de>
7960
7961         PR tree-optimization/70725
7962         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
7963         for phi_convertible_by_degenerating_args.
7964         (predicate_all_scalar_phis): Handle single-argument PHIs.
7965
7966 2016-04-21  Richard Biener  <rguenther@suse.de>
7967
7968         PR middle-end/70747
7969         * fold-const.c (fold_comparison): Return properly typed
7970         constant boolean.
7971
7972 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
7973
7974         PR tree-optimization/70715
7975         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
7976         after expanding BASE using expand_simple_operations.
7977
7978 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
7979
7980         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
7981         New transformations.
7982
7983 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
7984
7985         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
7986
7987 2016-04-20  Jan Hubicka  <jh@suse.cz>
7988
7989         * ipa-inline.c (can_inline_edge_p): Pass caller info to
7990         ultiimate_alias_target.
7991         (update_callee_keys): Likewise.
7992         (lookup_recursive_calls): Likewise.
7993         (speculation_useful_p): Likewise.
7994
7995 2016-04-20  Jan Hubicka  <jh@suse.cz>
7996
7997         PR ipa/70018
7998         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
7999         (set_nothrow_flag_1): ... this; handle interposition correctly;
8000         recurse on aliases and thunks.
8001         (cgraph_node::set_nothrow_flag): New.
8002         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
8003         functions compiled with non-call exceptions that binds to current
8004         def.
8005         (propagate_nothrow): Be safe WRT interposition.
8006         * cgraph.h (set_nothrow_flag): Update prototype.
8007
8008 2016-04-18  Jan Hubicka  <jh@suse.cz>
8009
8010         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8011         max_loop_iterations_int.
8012         (tree_unswitch_outer_loop): Likewise.
8013
8014 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8015
8016         PR tree-optimization/69489
8017         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
8018         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
8019         Revise dump message.
8020         (if_convertible_bb_p): Remove check on edge count of basic block's
8021         predecessors.
8022
8023 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8024
8025         PR tree-optimization/56625
8026         PR tree-optimization/69489
8027         * tree-data-ref.h (DR_INNERMOST): New macro.
8028         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
8029         hashing struct innermost_loop_behavior.
8030         (ref_DR_map): Remove.
8031         (innermost_DR_map): New map.
8032         (baseref_DR_map): Revise comment.
8033         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
8034         to innermost_DR_map accroding to its innermost loop behavior.
8035         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
8036         to its innermost loop behavior.
8037         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
8038         Add initialization for innermost_DR_map.  Record memory reference
8039         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
8040         have innermost loop behavior.
8041         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
8042         innermost_DR_map.
8043
8044 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
8045
8046         * config/i386/i386.md (*lea<mode>_general_1): Rename from
8047         *lea_general_1.  Use explicit SWI12 mode interator.
8048         (*lea<mode>_general_2): Rename from *lea_general_2.
8049         Use explicit SWI12 mode interator.
8050         (*lea<mode>_general_3): Rename from *lea_general_3.
8051         Use explicit SWI12 mode interator.
8052         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
8053         Use explicit SWI12 mode interator.
8054         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
8055         Use explicit SWI48 mode interator.
8056
8057 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8058
8059         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
8060         Short-cut unaligned load and store cases.  Handle all integer
8061         vector modes.
8062         (ix86_expand_vector_move_misalign): Short-cut unaligned load
8063         and store cases.  Call ix86_avx256_split_vector_move_misalign
8064         directly without checking mode class.
8065
8066 2016-04-20  Andrew Pinski  <apinski@cavium.com>
8067             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8068
8069         PR target/64971
8070         * config/aarch64/aarch64.md (sibcall): Force call
8071         address to be DImode for ILP32.
8072         (sibcall_value): Likewise.
8073
8074 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
8075
8076         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
8077
8078 2016-04-20  Richard Biener  <rguenther@suse.de>
8079
8080         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
8081         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
8082         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
8083         (maybe_push_res_to_seq): Adjust.
8084         * gimple-fold.c (maybe_build_generic_op): Likewise.
8085
8086 2016-04-20  Marek Polacek  <polacek@redhat.com>
8087
8088         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
8089         rather than true.
8090
8091 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
8092
8093         * config/i386/sse.md (vec_unpacks_lo_hi): Always
8094         use kmovw to support AVX512F target.
8095
8096 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
8097
8098         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
8099
8100 2016-04-20  Marek Polacek  <polacek@redhat.com>
8101
8102         PR tree-optimization/70725
8103         * tree-if-conv.c (is_false_predicate): New function.
8104         (predicate_mem_writes): Use it.
8105
8106 2016-04-20  Richard Biener  <rguenther@suse.de>
8107
8108         PR tree-optimization/70726
8109         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
8110         shift amounts from a pattern stmt operand.
8111
8112 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8113
8114         PR target/70674
8115         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
8116         stack_restore_from_fpr pattern when restoring r15.
8117         (s390_optimize_prologue): Strip away the memory barrier in the
8118         parallel when trying to get rid of restore insns.
8119         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
8120         definition for loading the stack pointer from an FPR.  Compared to
8121         the normal move insn this pattern includes a full memory barrier.
8122
8123 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
8124
8125         PR middle-end/70680
8126         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
8127         implicitly linear or lastprivate iterator on the outer context.
8128
8129 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8130
8131         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
8132         alignment check.
8133         * config/i386/i386.md (ssememalign): Removed.
8134         * config/i386/sse.md: Remove ssememalign attribute from patterns.
8135
8136 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
8137
8138         PR target/69201
8139         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
8140         const short * to __builtin_ia32_loaddquhi512_mask.
8141         (_mm512_maskz_loadu_epi16): Likewise.
8142         (_mm512_mask_storeu_epi16): Pass short * to
8143         __builtin_ia32_storedquhi512_mask.
8144         (_mm512_mask_loadu_epi8): Pass const char * to
8145         __builtin_ia32_loaddquqi512_mask.
8146         (_mm512_maskz_loadu_epi8): Likewise.
8147         (_mm512_mask_storeu_epi8): Pass char * to
8148         __builtin_ia32_storedquqi512_mask.
8149         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
8150         const double * to __builtin_ia32_loadupd512_mask.
8151         (_mm512_mask_loadu_pd): Likewise.
8152         (_mm512_maskz_loadu_pd): Likewise.
8153         (_mm512_storeu_pd): Pass double * to
8154         __builtin_ia32_storeupd512_mask.
8155         (_mm512_mask_storeu_pd): Likewise.
8156         (_mm512_loadu_ps): Pass const float * to
8157         __builtin_ia32_loadups512_mask.
8158         (_mm512_mask_loadu_ps): Likewise.
8159         (_mm512_maskz_loadu_ps): Likewise.
8160         (_mm512_storeu_ps): Pass float * to
8161         __builtin_ia32_storeups512_mask.
8162         (_mm512_mask_storeu_ps): Likewise.
8163         (_mm512_mask_loadu_epi64): Pass const long long * to
8164         __builtin_ia32_loaddqudi512_mask.
8165         (_mm512_maskz_loadu_epi64): Likewise.
8166         (_mm512_mask_storeu_epi64): Pass long long *
8167         to __builtin_ia32_storedqudi512_mask.
8168         (_mm512_loadu_si512): Pass const int * to
8169         __builtin_ia32_loaddqusi512_mask.
8170         (_mm512_mask_loadu_epi32): Likewise.
8171         (_mm512_maskz_loadu_epi32): Likewise.
8172         (_mm512_storeu_si512): Pass int * to
8173         __builtin_ia32_storedqusi512_mask.
8174         (_mm512_mask_storeu_epi32): Likewise.
8175         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
8176         char * to __builtin_ia32_storedquqi256_mask.
8177         (_mm_mask_storeu_epi8): Likewise.
8178         (_mm256_mask_loadu_epi16): Pass const short * to
8179         __builtin_ia32_loaddquhi256_mask.
8180         (_mm256_maskz_loadu_epi16): Likewise.
8181         (_mm_mask_loadu_epi16): Pass const short * to
8182         __builtin_ia32_loaddquhi128_mask.
8183         (_mm_maskz_loadu_epi16): Likewise.
8184         (_mm256_mask_loadu_epi8): Pass const char * to
8185         __builtin_ia32_loaddquqi256_mask.
8186         (_mm256_maskz_loadu_epi8): Likewise.
8187         (_mm_mask_loadu_epi8): Pass const char * to
8188         __builtin_ia32_loaddquqi128_mask.
8189         (_mm_maskz_loadu_epi8): Likewise.
8190         (_mm256_mask_storeu_epi16): Pass short * to.
8191         __builtin_ia32_storedquhi256_mask.
8192         (_mm_mask_storeu_epi16): Pass short * to.
8193         __builtin_ia32_storedquhi128_mask.
8194         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
8195         const double * to __builtin_ia32_loadupd256_mask.
8196         (_mm256_maskz_loadu_pd): Likewise.
8197         (_mm_mask_loadu_pd): Pass onst double * to
8198         __builtin_ia32_loadupd128_mask.
8199         (_mm_maskz_loadu_pd): Likewise.
8200         (_mm256_mask_storeu_pd): Pass double * to
8201         __builtin_ia32_storeupd256_mask.
8202         (_mm_mask_storeu_pd): Pass double * to
8203         __builtin_ia32_storeupd128_mask.
8204         (_mm256_mask_loadu_ps): Pass const float * to
8205         __builtin_ia32_loadups256_mask.
8206         (_mm256_maskz_loadu_ps): Likewise.
8207         (_mm_mask_loadu_ps): Pass const float * to
8208         __builtin_ia32_loadups128_mask.
8209         (_mm_maskz_loadu_ps): Likewise.
8210         (_mm256_mask_storeu_ps): Pass float * to
8211         __builtin_ia32_storeups256_mask.
8212         (_mm_mask_storeu_ps): ass float * to
8213         __builtin_ia32_storeups128_mask.
8214         (_mm256_mask_loadu_epi64): Pass const long long * to
8215         __builtin_ia32_loaddqudi256_mask.
8216         (_mm256_maskz_loadu_epi64): Likewise.
8217         (_mm_mask_loadu_epi64): Pass const long long * to
8218         __builtin_ia32_loaddqudi128_mask.
8219         (_mm_maskz_loadu_epi64): Likewise.
8220         (_mm256_mask_storeu_epi64): Pass long long * to
8221         __builtin_ia32_storedqudi256_mask.
8222         (_mm_mask_storeu_epi64): Pass long long * to
8223         __builtin_ia32_storedqudi128_mask.
8224         (_mm256_mask_loadu_epi32): Pass const int * to
8225         __builtin_ia32_loaddqusi256_mask.
8226         (_mm256_maskz_loadu_epi32): Likewise.
8227         (_mm_mask_loadu_epi32): Pass const int * to
8228         __builtin_ia32_loaddqusi128_mask.
8229         (_mm_maskz_loadu_epi32): Likewise.
8230         (_mm256_mask_storeu_epi32): Pass int * to
8231         __builtin_ia32_storedqusi256_mask.
8232         (_mm_mask_storeu_epi32): Pass int * to
8233         __builtin_ia32_storedqusi128_mask.
8234         * config/i386/i386-builtin-types.def (PCSHORT): New.
8235         (PINT64): Likewise.
8236         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
8237         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
8238         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
8239         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
8240         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
8241         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
8242         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
8243         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
8244         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
8245         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
8246         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
8247         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
8248         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
8249         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
8250         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
8251         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
8252         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
8253         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
8254         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
8255         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
8256         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
8257         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
8258         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
8259         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
8260         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
8261         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
8262         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
8263         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
8264         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
8265         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
8266         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
8267         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
8268         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
8269         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
8270         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
8271         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
8272         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
8273         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
8274         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
8275         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
8276         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
8277         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
8278         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
8279         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
8280         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
8281         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
8282         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
8283         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
8284         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
8285         use UNSPEC_STOREU.
8286         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
8287         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
8288         load nor store.
8289         (ix86_expand_vector_move_misalign): Likewise.
8290         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
8291         to scalar function prototype for unaligned load/store builtins.
8292         (ix86_expand_special_args_builtin): Updated.
8293         * config/i386/sse.md (UNSPEC_LOADU): Removed.
8294         (UNSPEC_STOREU): Likewise.
8295         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
8296         (VI_ULOADSTORE_F_AVX512VL): Likewise.
8297         (ssescalarsize): Handle V4TI, V2TI and V1TI.
8298         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8299         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
8300         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
8301         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
8302         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
8303         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
8304         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
8305         (<avx512>_storedqu<mode>_mask): Likewise.
8306         (*sse4_2_pcmpestr_unaligned): Likewise.
8307         (*sse4_2_pcmpistr_unaligned): Likewise.
8308         (*mov<mode>_internal): Renamed to ...
8309         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
8310         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
8311         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
8312         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
8313
8314 2016-04-19  Richard Biener  <rguenther@suse.de>
8315
8316         PR tree-optimization/70171
8317         * tree-ssa-phiprop.c: Include stor-layout.h.
8318         (phiprop_insert_phi): Handle the aggregate copy case.
8319         (propagate_with_phi): Likewise.
8320
8321 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
8322
8323         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
8324         instead of simplify_gen_subreg (... , 0).
8325         (ix86_delegitimize_address): Ditto.
8326         (ix86_split_divmod): Ditto.
8327         (ix86_split_copysign_const): Ditto.
8328         (ix86_split_copysign_var): Ditto.
8329         (ix86_expand_args_builtin): Ditto.
8330         (ix86_expand_round_builtin): Ditto.
8331         (ix86_expand_special_args_builtin): Ditto.
8332         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
8333         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
8334         (udivmodqi4): Ditto.
8335         (absneg splitters): Ditto.
8336         (*jcc_bt<mode>_1): Ditto.
8337
8338 2016-04-19  Richard Biener  <rguenther@suse.de>
8339
8340         PR tree-optimization/70724
8341         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
8342         restoring out from ...
8343         (free_scc_vn): ... here.
8344         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
8345         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
8346         tail merging.
8347         (pass_fre::execute): Restore SSA info.
8348
8349 2016-04-19  Richard Biener  <rguenther@suse.de>
8350
8351         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
8352         * gimple-walk.c (walk_gimple_op): Initialize it.
8353         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
8354         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
8355         remapping SSA names of defs.
8356         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
8357         adjustment.
8358
8359 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
8360
8361         PR middle-end/70689
8362         * lra-constraints.c (equiv_substition_p): New.
8363         (process_alt_operands): Use it.
8364         (swap_operands): Swap it.
8365         (curr_insn_transform): Update it.
8366
8367 2016-04-18  Michael Matz  <matz@suse.de>
8368
8369         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
8370         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
8371         * tree-core.h (tree_type_common.align): Use bit-field.
8372         (tree_type_common.spare): New.
8373         (tree_decl_common.off_align): Make smaller.
8374         (tree_decl_common.align): Use bit-field.
8375
8376         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
8377         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
8378         (scan_sharing_clauses): Ditto.
8379         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8380         (omp_finish_file): Ditto.
8381         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
8382         (layout_decl): Ditto.
8383         (relayout_decl): Ditto.
8384         (finalize_record_size): Use SET_TYPE_ALIGN.
8385         (finalize_type_size): Ditto.
8386         (finish_builtin_struct): Ditto.
8387         (layout_type): Ditto.
8388         (initialize_sizetypes): Ditto.
8389         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
8390         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
8391         (lookup_field_for_decl): Use SET_DECL_ALIGN.
8392         (get_chain_field): Ditto.
8393         (get_trampoline_type): Ditto.
8394         (get_nl_goto_field): Ditto.
8395         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
8396         SET_DECL_ALIGN.
8397         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
8398         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
8399         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
8400         (build_qualified_type): Use SET_TYPE_ALIGN.
8401         (build_aligned_type, build_range_type_1): Ditto.
8402         (build_atomic_base): Ditto.
8403         (build_common_tree_nodes): Ditto.
8404         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
8405         (expand_one_stack_var_at): Ditto.
8406         * coverage.c (build_var): Use SET_DECL_ALIGN.
8407         * except.c (init_eh): Ditto.
8408         * function.c (assign_parm_setup_block): Ditto.
8409         * symtab.c (increase_alignment_1): Ditto.
8410         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
8411         * tree-vect-stmts.c (ensure_base_align): Ditto.
8412         * varasm.c (align_variable): Ditto.
8413         (assemble_variable): Ditto.
8414         (build_constant_desc): Ditto.
8415         (output_constant_def_contents): Ditto.
8416
8417         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
8418         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
8419         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
8420         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
8421         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
8422
8423 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
8424
8425         PR target/70708
8426         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
8427         replace %vmovsd with "%vmovq".
8428         (vec_concatv2df): Likewise.
8429
8430 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
8431
8432         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
8433         (*vec_extractv2si_0): Ditto.
8434         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
8435         (zero_extended_scalar_load_operand splitters): Ditto.
8436         (vec_extract splitters): Ditto.
8437         (*vec_extractv4si_0_zext): Ditto.
8438         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
8439         and lowpart_subreg.
8440         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
8441         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
8442         (*sse4_1_extractps): Use lowpart_subreg.
8443         * config/i386/i386.md (x87 floatsplitter): Use gen_lowpart.
8444
8445 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8446
8447         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
8448         gld requirements.
8449         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
8450         Mention Solaris 11 packaging changes.
8451         Update gas and gld requirements.
8452         Remove reference to pre-Solaris 10 bug.
8453         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
8454         systems and bugs.
8455         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
8456         with cc.
8457
8458 2016-04-17  Jan Hubicka  <jh@suse.cz>
8459
8460         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
8461         max_loop_iterations_int.
8462
8463 2016-04-18  Richard Biener  <rguenther@suse.de>
8464
8465         PR tree-optimization/43434
8466         * tree-ssa-structalias.c (struct vls_data): New.
8467         (visit_loadstore): Handle all pointer-based accesses.
8468         (compute_dependence_clique): Compute a bitmap of restrict tags
8469         assigned bases and pass it to visit_loadstore.
8470
8471 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
8472
8473         PR target/70711
8474         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
8475         armv8.1-a and armv8.1-a+crc.
8476
8477 2016-04-18  Richard Biener  <rguenther@suse.de>
8478
8479         PR tree-optimization/70701
8480         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
8481         references after translating through a memcpy.
8482
8483 2016-04-18  Richard Biener  <rguenther@suse.de>
8484
8485         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
8486         (compute_antic): ... here.  For partial antic use regular
8487         postorder and scrap iteration.
8488         (compute_partial_antic_aux): Remove unused return value.
8489         (init_pre): Do not allocate postorder.
8490         (fini_pre): Do not free postorder.
8491
8492 2016-04-18  Richard Biener  <rguenther@suse.de>
8493
8494         PR middle-end/37870
8495         * expmed.c (extract_bit_field_1): Remove broken case
8496         using a wider MODE_INT mode.
8497
8498 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
8499
8500         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
8501         unless compiling with at least GCC-4.8.
8502
8503 2016-04-17  Jan Hubicka  <jh@suse.cz>
8504
8505         PR bootstrap/70706
8506         * graphite.c (graphite_finalize): Update call to
8507         tree_estimate_probability.
8508         * predict.h (tree_estimate_probability): Update prototype.
8509
8510 2016-04-17  Jan Hubicka  <jh@suse.cz>
8511
8512         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
8513         (tree_estimate_probability): Likewise.
8514         (pass_profile::execute): Update.
8515         (report_predictor_hitrates): New function.
8516         * profile.c (compute_branch_probabilities): Use it.
8517         * predict.h (report_predictor_hitrates): Declare.
8518
8519 2016-04-17  Jan Hubicka  <jh@suse.cz>
8520
8521         PR ipa/70018
8522         * cgraph.h (cgraph_node::set_const_flag,
8523         cgraph_node::set_pure_flag): Update prototype to return bool;
8524         update comment.
8525         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
8526         of interposable symbol are interposable, too.
8527         (cgraph_set_const_flag_1): Rename to ...
8528         (set_const_flag_1): ... this one; change to self recursive function
8529         instead of call_for_symbol_thunks_and_aliases. Handle correctly
8530         clearnig the flag in all variants and also virtual thunks of const
8531         functions are pure; track if any change was done.
8532         (cgraph_node::set_const_flag): Update.
8533         (struct set_pure_flag_info): New struct.
8534         (cgraph_set_pure_flag_1): Rename to ...
8535         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
8536         rather than pointer encoded flags; track if any changes was done;
8537         handle correctly clearning flag and setting flag of aliases already
8538         declared const.
8539         (cgraph_node::set_pure_flag): Update.
8540         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
8541
8542 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8543
8544         PR other/70433
8545         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
8546         backslash in label.
8547
8548 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8549
8550         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
8551         '{}<> ' as escape-for-record.
8552
8553 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8554
8555         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
8556         structure.
8557
8558 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8559
8560         PR other/70185
8561         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
8562         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
8563         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
8564         * passes.c (finish_optimization_passes): Only call
8565         finish_graph_dump_file if dfi->graph_dump_initialized.
8566         (execute_function_dump, pass_init_dump_file): Use
8567         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
8568
8569 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8570
8571         PR tree-optimization/70256
8572         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
8573         (debug_varmap): New function.
8574
8575 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8576
8577         PR other/70183
8578         * passes.c (pass_manager::register_pass): Propagate pflags.
8579
8580 2016-04-17  Tom de Vries  <tom@codesourcery.com>
8581
8582         PR other/68875
8583         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
8584         * passes.c (pass_manager::pass_manager): Declare and init p_start in
8585         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
8586         check if it's equal to p_start.
8587         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
8588
8589 2016-04-15  Jan Hubicka  <jh@suse.cz>
8590
8591         PR ipa/70018
8592         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
8593         function does not bind to current def.
8594         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
8595         handle conservatively calls to functions that does not need to bind
8596         to current def.
8597         (check_call): Update call of worse_state.
8598         (ignore_edge_for_nothrow): Update.
8599         (ignore_edge_for_pure_const): Likewise.
8600         (propagate_pure_const): Update calls to worse_state.
8601         (skip_function_for_local_pure_const): Reformat comments.
8602
8603 2016-04-15  Jan Hubicka  <jh@suse.cz>
8604
8605         PR ipa/70018
8606         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
8607         (cgraph_node::function_symbol): Likewise.
8608         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8609         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
8610         (symtab_node::ultimate_alias_target): Add REF parameter.
8611         (symtab_node::binds_to_current_def_p): Declare.
8612         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
8613         (cgraph_node::function_symbol): Likewise.
8614         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
8615         (cgraph_node::get_availability): Likewise.
8616         (cgraph_edge::binds_to_current_def_p): New inline function.
8617         (varpool_node::get_availability): Add REF parameter.
8618         (varpool_node::ultimate_alias_target): Likewise.
8619         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
8620         (symtab_node::binds_to_current_def_p): Likewise.
8621         * varpool.c (varpool_node::get_availability): Likewise.
8622
8623 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8624
8625         PR target/70662
8626         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
8627         Fix mode size check.
8628
8629 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8630
8631         * BASE-VER: Set to 7.0.0.
8632
8633 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
8634
8635         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
8636
8637 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8638
8639         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
8640         architecture revisions.
8641
8642 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
8643
8644         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
8645         * config/i386/i386.c (ix86_using_red_zone): No longer static.
8646         * config/i386/i386.md (stack decrement to push peepholes): Guard
8647         with !x86_using_red_zone ().
8648
8649 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
8650
8651         PR c++/70675
8652         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
8653         to dump_generic_node.
8654         (NIY): Pass also flags to do_niy.
8655
8656 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
8657
8658         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
8659         (simd_clone_vector_of_formal_parm_types)
8660         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
8661         (simd_clone_mangle, simd_clone_create)
8662         (simd_clone_adjust_return_type, create_tmp_simd_array)
8663         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
8664         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
8665         (ipa_simd_modify_function_body, simd_clone_linear_addend)
8666         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
8667         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
8668         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
8669         * omp-simd-clone.c: ... this new file.
8670         (simd_clone_vector_of_formal_parm_types): Make it static.
8671         * Makefile.in (OBJS): Add omp-simd-clone.o.
8672
8673 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
8674
8675         PR target/70662
8676         * config/i386/sse.md: Use proper memory operand modifiers.
8677
8678
8679 2016-04-15  Richard Biener  <rguenther@suse.de>
8680         Alan Modra  <amodra@gmail.com>
8681
8682         PR tree-optimization/70130
8683         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
8684         when alignment stays not the same and no not use the realign
8685         scheme then.
8686
8687 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8688
8689         PR target/70669
8690         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
8691         direct move handlers for KFmode. Change TFmode handlers test from
8692         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
8693
8694 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
8695
8696         PR c++/70594
8697         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
8698         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
8699         (inlined_polymorphic_ctor_dtor_block_p): Use it.
8700         * tree-ssa-live.c (remove_unused_scope_block_p): When
8701         in_ctor_dtor_block, avoid discarding not just BLOCKs with
8702         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
8703         block_ultimate_origin is FUNCTION_DECL.
8704         (remove_unused_locals): If current_function_decl is
8705         polymorphic_ctor_dtor_p, pass initial true to
8706         remove_unused_scope_block_p' is_ctor_dtor_block.
8707
8708 2016-04-14  Martin Sebor  <msebor@redhat.com>
8709
8710         PR c++/69517
8711         PR c++/70019
8712         PR c++/70588
8713         * doc/extend.texi (Variable Length): Revert.
8714
8715 2016-04-14  Marek Polacek  <polacek@redhat.com>
8716             Jan Hubicka  <hubicka@ucw.cz>
8717
8718         PR c++/70029
8719         * tree.c (verify_type): Disable the canonical type of main variant
8720         check.
8721
8722 2016-04-14  Jason Merrill  <jason@redhat.com>
8723
8724         * cfgexpand.c, expr.c: Revert previous change.
8725
8726 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
8727
8728         PR middle-end/70643
8729         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
8730         when building a mem ref for the incoming reduction variable.
8731
8732 2016-04-14  Richard Biener  <rguenther@suse.de>
8733
8734         PR tree-optimization/70614
8735         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
8736         loop if the evolution dropped to chrec_dont_know.
8737         (interpret_condition_phi): Likewise.
8738
8739 2016-04-14  Richard Biener  <rguenther@suse.de>
8740
8741         PR tree-optimization/70623
8742         * tree-ssa-pre.c (changed_blocks): Make global ...
8743         (compute_antic): ... local here.  Move and fix worklist
8744         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
8745         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
8746         worklist handling, dump when ANTIC_IN changed.
8747         (compute_partial_antic_aux): Remove worklist handling.
8748         (init_pre): Do not compute post dominators.  Add a comment about
8749         the CFG order chosen.
8750         (fini_pre): Do not free post dominators.
8751
8752 2016-04-13  Martin Sebor  <msebor@redhat.com>
8753
8754         PR c++/69517
8755         PR c++/70019
8756         PR c++/70588
8757         * doc/extend.texi (Variable Length): Document C++ specifics.
8758
8759 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8760
8761         PR c++/70641
8762         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
8763         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
8764         eh edges have been purged.
8765
8766         PR c++/70594
8767         * tree-sra.c (create_access_replacement,
8768         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
8769         gets fancy name.
8770         * tree-pretty-print.c (dump_fancy_name): New function.
8771         (dump_decl_name, dump_generic_node): Use it.
8772
8773 2016-04-13  Jason Merrill  <jason@redhat.com>
8774
8775         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
8776         * expr.c (expand_expr_real_1): Likewise.
8777
8778 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
8779
8780         * config/i386/i386.md (kunpckhi): Swap operands.
8781         (kunpcksi): Likewise.
8782         (kunpckdi): Likewise.
8783         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
8784         (vec_pack_trunc_<mode>): Likewise.
8785
8786 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
8787
8788         PR debug/70628
8789         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
8790
8791         PR middle-end/70633
8792         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
8793         gimplification turns some element into non-constant.
8794
8795         PR debug/70628
8796         * rtl.h (convert_memory_address_addr_space_1): New prototype.
8797         * explow.c (convert_memory_address_addr_space_1): No longer static,
8798         add NO_EMIT argument and don't call convert_modes if true, pass
8799         it down recursively, remove break after return.
8800         (convert_memory_address_addr_space): Adjust caller.
8801         * simplify-rtx.c (simplify_unary_operation_1): Call
8802         convert_memory_address_addr_space_1 instead of convert_memory_address,
8803         if it returns NULL, don't simplify.
8804
8805 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
8806
8807         PR target/70630
8808         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
8809
8810 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8811
8812         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
8813         Bump the upper SIMDLEN limits, so that if the return type or
8814         characteristic type if the return type is void can be passed in
8815         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
8816         allowed.
8817
8818 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8819
8820         PR target/70640
8821         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
8822         Do not use "=" constraint on an input constraint.
8823         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
8824         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
8825         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
8826         generates (neg (abs ...)) instead of (abs ...).
8827
8828 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8829
8830         PR rtl-optimization/70596
8831         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
8832         just invalidate LRA data and reset them.  Adjust dump wording.
8833
8834 2016-04-12  Martin Liska  <mliska@suse.cz>
8835
8836         Revert
8837         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
8838
8839         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
8840         estimates here.
8841         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
8842         max_loop_iterations_int.
8843         (tree_unswitch_outer_loop): Likewise.
8844         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
8845         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
8846
8847 2016-04-12  Tom de Vries  <tom@codesourcery.com>
8848
8849         PR tree-optimization/68756
8850         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
8851         instead of new_name.
8852
8853 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
8854
8855         PR tree-optimization/70602
8856         * tree-sra.c (generate_subtree_copies): Don't write anything into
8857         constant pool decls.
8858
8859         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
8860         regardless whether there are depend clauses or not.
8861
8862 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
8863
8864         PR target/70381
8865         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
8866         target attribute and pragma from changing the -mfloat128
8867         and -mfloat128-hardware options.
8868
8869         * doc/extend.texi (Additional Floating Types): Document PowerPC
8870         __float128 restrictions.
8871
8872 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8873
8874         PR target/70133
8875         * config/aarch64/driver-aarch64.c
8876         (aarch64_get_extension_string_for_isa_flags): New.
8877         (arch_extension): Rename to...
8878         (aarch64_arch_extension): ...This.
8879         (ext_to_feat_string): Rename to...
8880         (aarch64_extensions): ...This.
8881         (aarch64_core_data): Keep track of architecture extension flags.
8882         (cpu_data): Rename to...
8883         (aarch64_cpu_data): ...This.
8884         (aarch64_arch_driver_info): Keep track of architecture extension
8885         flags.
8886         (get_arch_name_from_id): Rename to...
8887         (get_arch_from_id): ...This, change return type.
8888         (host_detect_local_cpu): Update and reformat for renames, handle
8889         extensions through common infrastructure.
8890
8891 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8892
8893         PR target/70133
8894         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
8895         track of a canonical flag name.
8896         (all_extensions): Likewise.
8897         (arch_to_arch_name): Also track extension flags enabled by the arch.
8898         (all_architectures): Likewise.
8899         (aarch64_parse_extension): Move to here.
8900         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
8901         rework.
8902         (aarch64_rewrite_selected_cpu): Update for above change.
8903         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
8904         are handled, such that the single explicit value enabled by an
8905         extension is kept seperate from the implicit values it also enables.
8906         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
8907         to here.
8908         (aarch64_parse_extension): New.
8909         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
8910         here to config/aarch64/aarch64-protos.h.
8911         (aarch64_parse_extension): Move from here to
8912         common/config/aarch64/aarch64-common.c.
8913         (aarch64_option_print): Update.
8914         (aarch64_declare_function_name): Likewise.
8915         (aarch64_start_file): Likewise.
8916         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
8917         the canonical flag for extensions.
8918         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
8919         flags.
8920
8921 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
8922
8923         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
8924         AARCH64_FL_CRC.
8925
8926 2016-04-09  Tom de Vries  <tom@codesourcery.com>
8927
8928         PR tree-optimization/68953
8929         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
8930         first to last subscript.
8931
8932 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
8933
8934         PR tree-optimization/70586
8935         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
8936         for any calls.
8937
8938 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
8939
8940         PR lto/70289
8941         PR ipa/70348
8942         PR tree-optimization/70373
8943         PR middle-end/70533
8944         PR middle-end/70534
8945         PR middle-end/70535
8946         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
8947         clauses for acc parallel reductions as necessary.  Error on those
8948         that are private.
8949         * omp-low.c (scan_sharing_clauses): Don't install variables which
8950         are used in acc parallel reductions.
8951         (lower_rec_input_clauses): Remove dead code.
8952         (lower_oacc_reductions): Add support for reference reductions.
8953         (lower_reduction_clauses): Remove dead code.
8954         (lower_omp_target): Don't remap variables appearing in acc parallel
8955         reductions.
8956         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
8957
8958 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
8959
8960         PR middle-end/70593
8961         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
8962         with multiple SSA_NAME defs, force the outputs other than first
8963         to be live before calling live_track_process_def on each output.
8964
8965         PR rtl-optimization/70574
8966         * fwprop.c (forward_propagate_and_simplify): Don't add
8967         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
8968         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
8969         paradoxical subregs within *loc.
8970
8971 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
8972
8973         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
8974         -ftree-parallelize-loops={0,1}.
8975         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
8976         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
8977         * config/ia64/hpux.h (LIB_SPEC): Likewise.
8978         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
8979         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
8980
8981 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
8982
8983         PR sanitizer/70541
8984         * asan.c (instrument_derefs): If we get unknown location, extract it
8985         with EXPR_LOCATION.
8986         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
8987
8988 2016-04-08  Tom de Vries  <tom@codesourcery.com>
8989
8990         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
8991         implicit firstprivate clause.
8992
8993 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8994
8995         PR target/70566
8996         * config/arm/thumb2.md (tst + branch-> lsls + branch
8997         peephole below *orsi_not_shiftsi_si): Require that condition
8998         register is dead after the peephole.
8999         (second peephole after the above): Likewise.
9000
9001 2016-04-08  Alan Modra  <amodra@gmail.com>
9002
9003         PR target/70117
9004         * builtins.c (fold_builtin_classify): For IBM extended precision,
9005         look at just the high-order double to test for NaN.
9006         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
9007         test just the high double for Inf but both doubles for subnormal
9008         limit.
9009
9010 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
9011
9012         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
9013         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
9014         node->simdclone->mask_mode != VOIDmode masks.
9015         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
9016         earlier, use it instead of node->simdclone.
9017         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9018         Set clonei->mask_mode.
9019
9020 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9021
9022         PR c/70436
9023         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
9024         Pass it through to cp_parser_already_scoped_statement.
9025         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
9026         it through to cp_parser_statement.
9027         (cp_parser_statement): Pass IF_P through to
9028         cp_parser_iteration_statement.
9029         (cp_parser_pragma): Adjust call to
9030         cp_parser_iteration_statement.
9031
9032 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
9033
9034         PR c/70436
9035         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
9036         resolve a future -Wparentheses warning.
9037         * omp-low.c (scan_sharing_clauses): Likewise.
9038         * tree-parloops.c (eliminate_local_variables): Likewise.
9039
9040 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
9041
9042         PR rtl-optimization/70398
9043         * lra-constraints.c (process_address_1): Check zero scale and code
9044         for reloading with zero scale.
9045
9046 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
9047
9048         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
9049         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
9050
9051 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
9052
9053         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
9054         Add support for AVX512F clones, include them by default for
9055         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
9056         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
9057         up to 128.
9058
9059         PR middle-end/70550
9060         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
9061         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
9062         firstprivate clauses.
9063         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
9064         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
9065         (lower_omp_target): Set TREE_NO_WARNING for
9066         non-addressable possibly uninitialized vars which are copied into
9067         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
9068
9069 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
9070
9071         * config/pa/predicates.md (integer_store_memory_operand): Accept
9072         REG+D operands with a large offset when reload_in_progress is true.
9073         (floating_point_store_memory_operand): Likewise.
9074
9075 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9076
9077         PR c++/70336
9078         * match.pd (nested int casts): Limit to GIMPLE.
9079
9080 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
9081
9082         PR ipa/66223
9083         * ipa-devirt.c (maybe_record_node): Fix comment; use
9084         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
9085
9086 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9087
9088         PR rtl-optimization/70542
9089         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
9090         if there are any uses other than insn or debug insns.
9091
9092 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
9093             Jakub Jelinek  <jakub@redhat.com>
9094
9095         PR tree-optimization/70509
9096         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
9097         Shift HOST_WIDE_INT_1U instead of 1.
9098
9099 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
9100
9101         PR tree-optimization/70509
9102         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
9103         of the vector base type for index.
9104
9105 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
9106
9107         PR target/70510
9108         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
9109
9110 2016-04-05  Richard Biener  <rguenther@suse.de>
9111
9112         PR tree-optimization/70526
9113         * tree-sra.c (build_ref_for_offset): Use prev_base to
9114         extract the alias pointer type.
9115
9116 2016-04-05  Richard Biener  <rguenther@suse.de>
9117
9118         * dse.c (struct store_info): Remove alias_set member.
9119         (struct read_info_type): Likewise.
9120         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
9121         spill_deleted, clear_alias_set_lookup): Remove.
9122         (get_group_info): Remove dead base == NULL_RTX case.
9123         (dse_step0): Remove initialization of removed variables.
9124         (delete_dead_store_insn): Reomve alias set dumping.
9125         (free_read_records): Remove alias_set handling.
9126         (canon_address): Remove alias_set_out parameter.
9127         (record_store): Remove spill_alias_set, it's always zero.
9128         (check_mem_read_rtx): Likewise.
9129         (dse_step2): Rename from ...
9130         (dse_step2_nospill): ... this.  Adjust.
9131         (scan_stores): Rename from ...
9132         (scan_stores_nospill): ... this.
9133         (scan_reads): Rename from ...
9134         (scan_reads_nospill): ... this.
9135         (scan_stores_spill, scan_reads_spill): Remove.
9136         (dse_step3_scan): Remove for_spills argument which is always false.
9137         (dse_step3): Likewise.
9138         (dse_step5): Rename from ...
9139         (dse_step5_nospill): ... this.  Remove alias_set handling.
9140         (rest_of_handle_dse): Adjust.
9141
9142 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
9143
9144         PR target/70525
9145         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
9146         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
9147         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
9148         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
9149
9150 2016-04-05  Richard Biener  <rguenther@suse.de>
9151
9152         PR middle-end/70499
9153         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
9154         non-register type temporaries into SSA.
9155
9156 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
9157
9158         PR ipa/66223
9159         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
9160         calls when sanitizing.
9161         (possible_polymorphic_call_target_p): Fix formatting.
9162
9163 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9164             Jakub Jelinek <jakub@redhat.com>
9165
9166         PR middle-end/70457
9167         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
9168         to ensure a call statement is compatible with a built-in's
9169         prototype.
9170         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
9171         Likewise.
9172
9173 2016-04-04  Richard Biener  <rguenther@suse.de>
9174
9175         PR rtl-optimization/70484
9176         * rtl.h (canon_output_dependence): Declare.
9177         * alias.c (canon_output_dependence): New function.
9178         * dse.c (record_store): Use canon_output_dependence rather
9179         than canon_true_dependence.
9180
9181 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9182
9183         PR ipa/68881
9184         * cgraph.h (symtab_node::copy_visibility_from): New function.
9185         * symtab.c (symtab_node::copy_visibility_from): New function.
9186         * ipa-visibility.c (optimize_weakref): New function.
9187         (function_and_variable_visibility): Use it.
9188
9189 2016-04-04  Martin Liska  <mliska@suse.cz>
9190
9191         PR hsa/70402
9192         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
9193         value that is really in range handled by SBR instruction.
9194         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
9195         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
9196         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
9197
9198 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
9199
9200         PR target/70416
9201         PR target/67391
9202         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
9203         set, but not for SP_REG operands.
9204
9205 2016-04-02  Martin Sebor  <msebor@redhat.com>
9206
9207         PR c++/67376
9208         * fold-const.c (maybe_nonzero_address): New function.
9209         (fold_comparison): Call it.  Fold equality and relational
9210         expressions involving null pointers.
9211         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
9212
9213 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
9214
9215         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
9216         the "Y" constraint (scalar FP 0.0 immediate).
9217
9218         * config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
9219         Add the "const_double" to the list of operand constraints.
9220
9221 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
9222
9223         PR rtl-optimization/70467
9224         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
9225         If low word of the last operand is 0, just emit addition/subtraction
9226         for the high word.
9227
9228 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9229
9230         PR target/70404
9231         * config/s390/s390.c (s390_expand_insv): Check for everything
9232         constant instead of just VOIDmode stuff.
9233
9234 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9235
9236         PR target/70496
9237         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
9238
9239 2016-04-01  Nathan Sidwell  <nathan@acm.org>
9240
9241         * tree.def (TRY_CATCH_EXPR): Correct documentation.
9242
9243 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9244
9245         PR rtl-optimization/70461
9246         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
9247         is necessary.
9248
9249 2016-03-31  Martin Liska  <mliska@suse.cz>
9250
9251         PR hsa/70399
9252         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
9253         a tree value or an immediate integer value to a buffer
9254         that is eventually copied to a BRIG section.
9255         (emit_immediate_operand): Call the function here.
9256         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
9257         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
9258         of class' fields that are removed.
9259         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
9260         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
9261         m_brig_repr_size fields.
9262
9263 2016-03-31  Martin Liska  <mliska@suse.cz>
9264
9265         PR hsa/70391
9266         * hsa-gen.c (hsa_function_representation::update_dominance): New
9267         function.
9268         (convert_addr_to_flat_segment): Likewise.
9269         (gen_hsa_memory_set): New alignment argument.
9270         (gen_hsa_ctor_assignment): Likewise.
9271         (gen_hsa_insns_for_single_assignment): Provide alignment
9272         to gen_hsa_ctor_assignment.
9273         (gen_hsa_insns_for_direct_call): Add new argument.
9274         (expand_lhs_of_string_op): New function.
9275         (expand_string_operation_builtin): Likewise.
9276         (expand_memory_copy): New function.
9277         (expand_memory_set): New function.
9278         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
9279         (convert_switch_statements): Change signature.
9280         (generate_hsa): Use a return value of the function.
9281         (pass_gen_hsail::execute): Do not call
9282         convert_switch_statements here.
9283         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
9284         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
9285         (hsa_function_representation::update_dominance): New function.
9286
9287 2016-03-31  Martin Liska  <mliska@suse.cz>
9288
9289         PR hsa/70391
9290         * hsa-brig.c (emit_directive_variable): Emit alignment
9291         according to hsa_symbol::m_align.
9292         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
9293         (dump_hsa_symbol): Dump alignment of HSA symbols.
9294         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
9295         (gen_hsa_addr_with_align): New function.
9296         (hsa_bitmemref_alignment): Use newly added function.
9297         (gen_hsa_insns_for_load): Likewise.
9298         (gen_hsa_insns_for_store): Likewise.
9299         (gen_hsa_memory_copy): New argument added.
9300         (gen_hsa_insns_for_single_assignment): Respect
9301         alignment for assignments processed via gen_hsa_memory_copy.
9302         (gen_hsa_insns_for_direct_call): Likewise.
9303         (gen_hsa_insns_for_return): Likewise.
9304         (gen_function_def_parameters): Set default alignment.
9305         * hsa.c (hsa_object_alignment): New function.
9306         (hsa_byte_alignment): Pasted function.
9307         * hsa.h (hsa_symbol::m_align): New field.
9308
9309 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9310
9311         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
9312         scratch field for goto case.
9313
9314 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
9315
9316         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
9317
9318 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
9319
9320         PR target/70442
9321         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
9322         (scalar_chain::convert_insn): Call convert_op for reg
9323         moves to handle undefined registers.
9324
9325 2016-03-31  Nathan Sidwell  <nathan@acm.org>
9326
9327         PR c++/70393
9328         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
9329         Assert we don't want to move backwards.
9330
9331 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
9332
9333         PR target/70453
9334         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
9335
9336 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
9337
9338         PR rtl-optimization/70460
9339         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
9340         with operand from REG_LABEL_OPERAND, instead substitute
9341         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
9342         Don't do anything for REG_NON_LOCAL_GOTO jumps.
9343
9344 2016-03-31  Martin Liska  <mliska@suse.cz>
9345
9346         * passes.c (execute_one_pass): Do not call
9347         todo_after for a discarded function.
9348
9349 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
9350
9351         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
9352         (no_cost, infinite_cost): Initialize the new field.
9353         (get_computation_cost_at): Record setup cost.
9354         (determine_use_iv_cost_address): Skip cost computation for sub
9355         uses if we can estimate it without losing accuracy.
9356
9357 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
9358
9359         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
9360         estimates here.
9361         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
9362         max_loop_iterations_int.
9363         (tree_unswitch_outer_loop): Likewise.
9364         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
9365         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
9366
9367 2016-03-30  Richard Biener  <rguenther@suse.de>
9368
9369         PR middle-end/70450
9370         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
9371
9372 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
9373
9374         PR target/70421
9375         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
9376         in gen_blendm expander.
9377
9378 2016-03-30  Nick Clifton  <nickc@redhat.com>
9379
9380         PR target/62254
9381         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
9382         case where we are already provided with an SImode SUBREG.
9383
9384 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
9385
9386         PR target/70439
9387         * config/i386/i386.c (ix86_expand_epilogue): Properly check
9388         conflict between DRAP register and __builtin_eh_return.
9389
9390 2016-03-30  Michael Matz  <matz@suse.de>
9391             Richard Biener  <rguenther@suse.de>
9392
9393         PR ipa/12392
9394         * ipa-polymorphic-call.c (struct type_change_info): Change
9395         speculative to an unsigned allowing to limit the work we do.
9396         (csftc_abort_walking_p): New inline function..
9397         (check_stmt_for_type_change): Limit the number of may-defs
9398         skipped for speculative devirtualization to
9399         max-speculative-devirt-maydefs.
9400         * params.def (max-speculative-devirt-maydefs): New param.
9401         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
9402
9403 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
9404
9405         PR target/63890
9406         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
9407         and TARGET_MACHO.
9408
9409 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
9410
9411         PR tree-optimization/59124
9412         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
9413         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
9414
9415 2016-03-29  Jeff Law  <law@redhat.com>
9416
9417         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
9418
9419 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9420
9421         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
9422         to HOST_WIDE_INT.
9423
9424 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
9425
9426         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
9427         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
9428         gcrt0.o if linking dynamically.
9429
9430 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
9431
9432         PR ipa/70283
9433         * ipa-devirt.c (methods_equal_p): New function.
9434         (compare_virtual_tables): Use it.
9435         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
9436         * cgraphclones.c (clone_function_name_1): Use
9437         symbol_table::symbol_suffix_separator.
9438         * coverage.c (build_var): Likewise.
9439         * symtab.c (symbol_table::symbol_suffix_separator): New.
9440
9441 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
9442
9443         PR rtl-optimization/70429
9444         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
9445         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
9446         mode != result_mode.
9447
9448         PR c++/70353
9449         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
9450
9451         PR tree-optimization/70405
9452         * ssa-iterators.h (num_imm_uses): Add missing braces.
9453
9454 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
9455
9456         PR rtl-optimization/68695
9457         * ira-color.c (allocno_copy_cost_saving): New.
9458         (improve_allocation): Use it.
9459
9460 2016-03-29  Richard Henderson  <rth@redhat.com>
9461
9462         PR middle-end/70355
9463         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
9464
9465 2016-03-29  Richard Biener  <rguenther@suse.de>
9466
9467         PR middle-end/70424
9468         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
9469         use alignment returned by get_pointer_alignment_1 if it is
9470         bigger than BITS_PER_UNIT.
9471         * builtins.c (get_pointer_alignment_1): Do not return true
9472         for alignment extracted from SSA info.
9473
9474 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
9475
9476         * config/ft32/ft32.opt (mnodiv): New.
9477         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
9478         * doc/invoke.texi (FT32 Options -mnodiv): New.
9479
9480 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
9481
9482         PR target/70406
9483         * config/i386/i386.md (define_split, andn): Fix modes.
9484
9485 2016-03-26  Richard Biener  <rguenther@suse.de>
9486             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
9487
9488         PR ipa/70366
9489         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
9490         instead of
9491         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
9492         as 2nd argument to cl_optimization_restore().
9493
9494 2016-03-25  Richard Henderson  <rth@redhat.com>
9495
9496         PR target/70120
9497         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
9498         * config/aarch64/aarch64-protos.h: Declare it.
9499         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
9500
9501 2016-03-25  Alan Modra  <amodra@gmail.com>
9502
9503         PR target/70052
9504         * config/rs6000/constraints.md (j): Simplify.
9505         * config/rs6000/predicates.md (easy_fp_constant): Exclude
9506         decimal float 0.D.
9507         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
9508         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
9509          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
9510         in all constraint alternatives.
9511         (movtd_64bit_nodm): Delete "j" constraint alternative.
9512
9513 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9514
9515         * tree-ssa-propagate.c: Enhance docs for
9516         SSA_PROP_NOT_INTERESTING.
9517
9518 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
9519
9520         * doc/extend.texi: Fix typo in documentation to pure attribute.
9521
9522 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
9523
9524         PR target/70319
9525         * config/pa/pa.md (bswapdi2): Use a scratch register.
9526
9527 2016-03-24  Richard Henderson  <rth@redhat.com>
9528
9529         PR middle-end/69845
9530         * fold-const.c (extract_muldiv_1): Correct test for multiplication
9531         overflow.
9532
9533 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
9534
9535         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
9536         using ix86_expand_binary_operator instead of gen_andsi3.
9537
9538 2016-03-24  Richard Biener  <rguenther@suse.de>
9539
9540         PR tree-optimization/70396
9541         * tree-vect-stmts.c (vectorizable_comparison): Use
9542         get_vectype_for_scalar_type.
9543
9544 2016-03-24  Richard Biener  <rguenther@suse.de>
9545
9546         PR middle-end/70370
9547         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
9548         with register bases.
9549
9550 2016-03-24  Richard Biener  <rguenther@suse.de>
9551
9552         PR tree-optimization/70372
9553         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
9554         build_all_ones_cst to also handle vector types correctly.
9555
9556 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
9557
9558         PR target/70381
9559         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
9560         -mfloat128 here.
9561
9562 2016-03-23  Marek Polacek  <polacek@redhat.com>
9563
9564         PR c++/69884
9565         * doc/invoke.texi: Document -Wignored-attributes.
9566
9567 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9568
9569         PR tree-optimization/69042
9570         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
9571         parameter from 30 to 40.
9572
9573 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
9574
9575         PR tree-optimization/69042
9576         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
9577         for use with constant offset stripped in base.
9578
9579 2016-03-23  Richard Biener  <rguenther@suse.de>
9580
9581         PR middle-end/70251
9582         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
9583         mode compatibility check.
9584         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9585
9586 2016-03-23  Jeff Law  <law@redhat.com>
9587
9588         PR tree-optimization/64058
9589         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
9590         CONFLICT_COUNT.
9591         (struct ssa_conflicts): Move up earlier in the file.
9592         (conflicts_, var_map_): New static variables.
9593         (initialize_conflict_count): New function to initialize the
9594         CONFLICT_COUNT field for each conflict pair.
9595         (compare_pairs): Lazily initialize the conflict count and use it
9596         as the first tie-breaker.
9597         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
9598         and wipe conflicts_ and map_ around the call to qsort.  Remove
9599         special case for 2 coalesce pairs.
9600         * bitmap.c (bitmap_count_unique_bits): New function.
9601         (bitmap_count_bits_in_word): New function, extracted from
9602         bitmap_count_bits.
9603         (bitmap_count_bits): Use bitmap_count_bits_in_word.
9604         * bitmap.h (bitmap_count_unique_bits): Declare it.
9605
9606 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
9607
9608         PR target/69917
9609         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
9610         transparent alias chain for decl assembler name.
9611         * config/sol2.c (solaris_assemble_visibility): Likewise.
9612
9613 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9614
9615         * config/arm/arm1020e.md (1020call_op): Reduce reservation
9616         duration.
9617         (v10_fdivs): Likewise.
9618         (v10_fdivd): Likewise.
9619
9620 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9621
9622         PR driver/70132
9623         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
9624         to not call fclose twice on file.
9625
9626 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
9627
9628         PR tree-optimization/70354
9629         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
9630         oprnd0 is wider than oprnd1 and there is a cast from the wider
9631         type to oprnd1, mask it with the mask of the narrower type.
9632
9633         PR target/70321
9634         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
9635         Optimize TARGET_STV splitters, if high or low word of last argument
9636         is 0 or -1.
9637
9638 2016-03-22  Jeff Law  <law@redhat.com>
9639
9640         PR target/70232
9641         tree-ssa-threadbackward.c
9642         (fsm_find_control_statement_thread_paths): Correctly distinguish
9643         between old style jump threads vs FSM jump threads.
9644
9645 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
9646
9647         PR target/70302
9648         * config/i386/i386.c (scalar_chain::convert_op): Support
9649         uninitialized register usage case.
9650
9651 2016-03-22  Richard Biener  <rguenther@suse.de>
9652
9653         PR middle-end/70251
9654         * genmatch.c (gen_transform): Adjust last parameter to a three-state
9655         int...
9656         (capture::gen_transform): ... to change behavior when substituting
9657         a condition into cond or not-cond expr context.
9658         (dt_simplify::gen_1): Adjust.
9659         * gimple-match-head.c: Include gimplify.h for unshare_expr.
9660         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
9661         last change and instead change to
9662         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
9663         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9664
9665 2016-03-22  Anthony Green  <green@moxielogic.com>
9666
9667         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
9668         issue for moxiebox targets.
9669         (CC1PLUS_SPEC): Ditto.
9670
9671 2016-03-22  Richard Biener  <rguenther@suse.de>
9672
9673         PR middle-end/70333
9674         * fold-const.c (extract_muldiv_1): Properly perform multiplication
9675         in the wide type.
9676
9677 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9678
9679         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
9680
9681 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
9682
9683         PR target/70325
9684         * config/i386/i386.c (def_builtin): Handle
9685         OPTION_MASK_ISA_AVX512VL to be and-ed with other
9686         bits.
9687         (const struct builtin_description bdesc_special_args[]):
9688         Remove duplicate ISA bits.
9689
9690 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
9691
9692         PR target/70329
9693         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
9694         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
9695         in a way that works also for AVX512BW.
9696
9697         PR target/70300
9698         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
9699         instead of source if operands[1] is xmm16 and above and
9700         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
9701         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
9702
9703         PR c++/70295
9704         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
9705         on assign if (*from_p) is a comparison, set it to
9706         TREE_NO_WARNING (*from_p).
9707
9708 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9709
9710         PR middle-end/70326
9711         * lra.c (restore_scratches): Ignore deleted insns.
9712
9713 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
9714             Jakub Jelinek  <jakub@redhat.com>
9715
9716         PR tree-optimization/70317
9717         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
9718         to HONOR_NANS.
9719
9720 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
9721
9722         PR target/70327
9723         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
9724         of ix86_expand_move.
9725         (movoi): Ditto.
9726         (movti): Use general_operand for operand 1 predicate.
9727
9728 2016-03-21  Martin Liska  <mliska@suse.cz>
9729
9730         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
9731         insns.
9732         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
9733
9734 2016-03-21  Martin Liska  <mliska@suse.cz>
9735
9736         PR ipa/70306
9737         * ipa-icf.c (sem_function::parse): Skip static
9738         constructors and destructors.
9739
9740 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
9741
9742         PR target/70296
9743         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
9744         function-like macro, peek following token(s) if it is followed
9745         by CPP_OPEN_PAREN token with optional padding in between, and
9746         if not, don't treat it like a macro.
9747
9748 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
9749             Alexander Monakov  <amonakov@ispras.ru>
9750
9751         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
9752         for the stabs debug format.
9753
9754 2016-03-21  Richard Biener  <rguenther@suse.de>
9755
9756         PR tree-optimization/70310
9757         * tree-vect-generic.c (expand_vector_condition): Fold the built
9758         condition.
9759
9760 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
9761
9762         PR target/70293
9763         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
9764         Block third alternative for AVX-512VL target,
9765
9766 2016-03-21  Martin Liska  <mliska@suse.cz>
9767
9768         PR hsa/70234
9769         * hsa-brig.c (emit_function_directives): Mark unemitted
9770         global variables for emission.
9771         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
9772         (get_symbol_for_decl): Likewise.
9773         * hsa.h (struct hsa_symbol): New flag.
9774
9775 2016-03-21  Richard Biener  <rguenther@suse.de>
9776
9777         PR tree-optimization/70288
9778         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
9779         we do not estimate unsimplified all-constant conditionals or
9780         switches as optimized away.
9781
9782 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
9783
9784         PR rtl-optimization/69102
9785         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
9786         when we have a readonly dependency context.
9787
9788 2016-03-18  Jeff Law  <law@redhat.com>
9789
9790         PR rtl-optimization/70263
9791         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
9792         (update_equiv_regs): When trying to move a store to after the insn
9793         that sets the source of the store, make sure the store occurs after
9794         the insn that sets the source of the store.  When successful note
9795         the REG_EQUIV note created in the dump file.
9796
9797 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
9798             Bernd Schmidt  <bschmidt@redhat.com>
9799
9800         * doc/extend.texi: Document more potential problems with basic asms.
9801
9802 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
9803
9804         PR rtl-optimization/70278
9805         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
9806         VOIDmode.
9807
9808 2016-03-18  Jason Merrill  <jason@redhat.com>
9809
9810         * calls.c (load_register_parameters): Fix zero size sibcall logic.
9811
9812 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
9813
9814         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
9815         values to 128b regs.
9816
9817 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
9818
9819         PR tree-optimization/70252
9820         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
9821         boolean vector has a proper number of elements.
9822         (supportable_narrowing_operation): Likewise.
9823
9824 2016-03-18  Tom de Vries  <tom@codesourcery.com>
9825
9826         PR ipa/70269
9827         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
9828
9829 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
9830
9831         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
9832         instead of replace_rtx for DEBUG_INSNs.
9833
9834 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
9835
9836         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
9837         load type reservations.
9838
9839 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
9840
9841         PR target/70188
9842         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
9843         define_constraint for "Q" and "T" constraints.
9844
9845 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
9846
9847         Tweak the pipeline model for Exynos M1
9848
9849         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
9850         model.
9851
9852 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
9853
9854         PR c/70264
9855         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
9856         where one or both locations aren't within a line_map.
9857
9858 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9859
9860         PR driver/70192
9861         * opts.c (finish_options): Don't set flag_pie to the default if
9862         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
9863         if it is -1.
9864
9865 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
9866
9867         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
9868         true as ALL_REGS argument to replace_rtx.
9869
9870 2016-03-17  Richard Biener  <rguenther@suse.de>
9871
9872         PR debug/70271
9873         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
9874         last.
9875
9876 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9877
9878         PR target/70245
9879         * rtl.h (replace_rtx): Add ALL_REGS argument.
9880         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
9881         equality and assert mode is the same, instead of just rtx pointer
9882         equality.
9883         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
9884         true as ALL_REGS argument to replace_rtx.
9885
9886 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
9887
9888         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
9889         for boolean vector with vector mode only.
9890         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
9891
9892 2016-03-17  Nick Clifton  <nickc@redhat.com>
9893
9894         PR target/70162
9895         * config/rx/rx.c (rx_print_integer): Print negative constants in
9896         decimal.
9897
9898 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
9899
9900         PR target/70261
9901         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
9902
9903 2016-03-16  Richard Henderson  <rth@redhat.com>
9904             Richard Biener  <rguenth@suse.de>
9905
9906         PR middle-end/70240
9907         PR middle-end/68215
9908         PR tree-opt/68714
9909         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
9910         first operand as is_gimple_condexpr.
9911
9912         PR middle-end/70240
9913         PR middle-end/68215
9914         Revert r231575
9915         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
9916         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
9917         Do not gimplify the result.
9918         (do_unop): Adjust call to tree_vec_extract.
9919         (do_binop): Likewise.
9920         (do_compare): Likewise.
9921         (do_plus_minus): Likewise.
9922         (do_negate): Likewise.
9923         (expand_vector_condition): Likewise.
9924         (do_cond): Likewise.
9925
9926 2016-03-16  Richard Henderson  <rth@redhat.com>
9927
9928         PR target/70048
9929         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
9930         (aarch64_classify_address): Use it.
9931         (aarch64_legitimize_address): Force all subexpressions of PLUS
9932         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
9933
9934 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
9935             Richard Biener  <rguenth@suse.de>
9936
9937         PR target/70245
9938         * rtlanal.c (replace_rtx): For REG, if from is a REG,
9939         return to even if only REGNO is equal, and assert
9940         mode is the same.
9941
9942 2016-03-11  Jeff Law  <law@redhat.com>
9943
9944         PR rtl-optimization/70224
9945         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
9946
9947 2016-03-16  Richard Henderson  <rth@redhat.com>
9948
9949         PR middle-end/70199
9950         * function.h (struct function): Add has_forced_label_in_static.
9951         * gimplify.c (force_labels_r): Set it.
9952         * lto-streamer-in.c (input_struct_function_base): Read it.
9953         * lto-streamer-out.c (output_struct_function_base): Write it.
9954         * tree-inline.c (has_label_address_in_static_1): Remove.
9955         (copy_forbidden): Remove fndecl parameter; test
9956         has_forced_label_in_static.
9957         (inline_forbidden_p): Update call to copy_forbidden.
9958         (tree_versionable_function_p): Likewise.
9959         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
9960         (chkp_versioning): Likewise.
9961         * tree-inline.h (copy_forbidden): Update decl.
9962
9963 2016-03-16  Marek Polacek  <polacek@redhat.com>
9964
9965         PR c/70093
9966         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
9967         function being thunked if the result type doesn't have fixed size.
9968         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
9969         doesn't have fixed size.
9970
9971 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
9972
9973         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
9974         reporting malformed loop nest.
9975
9976 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9977
9978         PR lto/70187
9979         * ipa-devirt.c (possible_polymorphic_call_targets): Move
9980         nodes.length () == 1 test to before first nodes[0] access.
9981
9982 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9983
9984         PR tree-optimization/68715
9985         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
9986         single_pred_p test.
9987
9988 2016-03-16  Tom de Vries  <tom@codesourcery.com>
9989
9990         PR tree-optimization/68809
9991         * graphite-scop-detection.c (same_close_phi_node): Test if result types
9992         are the same.
9993
9994 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
9995             Sandra Loosemore  <sandra@codesourcery.com>
9996
9997         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
9998         on leaf attribute. Mention ELF interposition problems.
9999
10000 2016-03-16  Alan Modra  <amodra@gmail.com>
10001
10002         PR rtl-optimization/69195
10003         PR rtl-optimization/47992
10004         * ira.c (indirect_jump_optimize): Ignore artificial defs.
10005         Add comments.
10006
10007 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
10008
10009         PR bootstrap/69513
10010         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
10011
10012 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
10013
10014         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
10015
10016 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
10017
10018         PR rtl-optimization/70222
10019         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
10020         optimization if mode is different from result_mode, queue up masking
10021         of the result in outer_op.  Formatting fix.
10022
10023         PR middle-end/70239
10024         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
10025         of safe_grow.
10026
10027 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10028
10029         PR rtl-optimization/69032
10030         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
10031         looping backwards over basic block insns.
10032
10033 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10034
10035         PR target/66660
10036         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
10037         to non-speculative when propagating trap bits.
10038
10039 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10040
10041         PR rtl-optimization/63384
10042         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
10043         DEBUG_INSN_P insns.
10044
10045 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
10046
10047         PR target/64411
10048         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
10049         factored out from ...
10050         (sched_analyze_insn): ... here.
10051         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
10052         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
10053         get_implicit_reg_pending_clobbers in it.
10054         (setup_id_reg_sets): Use setup_id_implicit_regs.
10055         (deps_init_id): Ditto.
10056
10057 2016-03-15  Tom de Vries  <tom@codesourcery.com>
10058
10059         PR ipa/70161
10060         * cgraph.c (cgraph_node::get_body): Save, reset and restore
10061         dump_file_name.
10062         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
10063         execute_function_dump.
10064         (execute_one_pass): Don't dump function if it will be dumped after ipa
10065         transform.
10066
10067 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
10068
10069         * genrecog.c (match_pattern_2): If pred is NULL don't call
10070         safe_predicate_mode on it.
10071
10072 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
10073
10074         PR middle-end/70219
10075         * lra-constraints.c (delete_move_and_clobber): Change assertion
10076         to also allow dregno == 0.
10077
10078 2016-03-14  Richard Henderson  <rth@redhat.com>
10079
10080         PR tree-opt/68714
10081         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
10082         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
10083         (reassociate_bb): Use optimize_vec_cond_expr; avoid
10084         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
10085         on vectors.
10086
10087 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
10088
10089         PR target/70083
10090         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
10091         regs.
10092         (lra_create_live_ranges_1): initialize hard register biggest_mode to
10093         VOIDmode.
10094         * lra-constraints.c (split_reg): For hard regs, try to find the
10095         biggest single-register mode used in the function.
10096
10097 2016-03-14  Richard Biener  <rguenther@suse.de>
10098
10099         PR tree-optimization/56365
10100         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
10101         constants to compare against.
10102
10103 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
10104
10105         PR target/70098
10106         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
10107         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
10108         (define_split for the GPR case): Use int_reg_operand instead of
10109         gpc_reg_operand for the output.
10110
10111 2016-03-14  Tom de Vries  <tom@codesourcery.com>
10112
10113         PR tree-optimization/70045
10114         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
10115         create_empty_if_region_on_edge argument.
10116
10117 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
10118
10119         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
10120         (STACK_CHECK_PROTECT): Likewise.
10121         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10122         (STACK_CHECK_PROTECT): Likewise.
10123         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
10124         (STACK_CHECK_PROTECT): Likewise.
10125         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
10126         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10127         (STACK_CHECK_PROTECT): Likewise.
10128
10129 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
10130
10131         PR rtl-optimization/69307
10132         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
10133         registers in modes that span more than one register.
10134
10135 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
10136
10137         PR target/69614
10138         * lra-constraints.c (delete_move_and_clobber): New.
10139         (remove_inheritance_pseudos): Use it.
10140
10141 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
10142
10143         PR ada/70017
10144         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
10145         the libcall is LCT_THROW.
10146         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
10147         for the checking routine.
10148
10149 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
10150
10151         PR target/70131
10152         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
10153         optimization if we have direct move.
10154         (roundu32<mode>2_fprs): Likewise.
10155
10156 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
10157
10158         PR target/70123
10159         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
10160         be rematerialized.
10161         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
10162         Arguments swapped.  All callers changed.  Take reg_renumber into
10163         account, and Calculate and compare register ranges for hard regs.
10164
10165 2016-03-11  Jeff Law  <law@redhat.com>
10166
10167         PR tree-optimization/70190
10168         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10169         Handle cases where we can not extract the taken edge, even though we
10170         found a constant value.
10171
10172         PR tree-optimization/64058
10173         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
10174         (num_coalesce_pairs): Move up earlier in file.
10175         (find_coalesce_pair): Initialize the INDEX field for each pair
10176         discovered.
10177         (compare_pairs): No longer sort on the elements in each pair.
10178         Instead break ties with the index of the coalesce pair.
10179
10180 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10181
10182         PR target/70002
10183         * config/aarch64/aarch64-protos.h
10184         (aarch64_save_restore_target_globals): New prototype.
10185         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
10186         Call the above when popping pragma.
10187         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
10188         New function.
10189         (aarch64_set_current_function): Rewrite using the above.
10190
10191 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10192
10193         PR tree-optimization/70177
10194         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
10195         (extract_ops_from_tree): ... this.  In the 2 argument
10196         overload remove _1 suffix.
10197         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
10198         (extract_ops_from_tree): ... this.
10199         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
10200         Adjust callers.
10201         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
10202         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
10203         extract_ops_from_tree instead of 2 operand one.
10204
10205 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
10206
10207         PR tree-optimization/70013
10208         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
10209         for constant-pool entries.
10210
10211 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
10212
10213         PR rtl-optimization/70174
10214         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
10215         followed by gen_lowpart on force_reg instead of just gen_lowpart.
10216
10217         PR tree-optimization/70169
10218         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
10219         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
10220         for unknown codes.
10221
10222 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
10223             Jakub Jelinek  <jakub@redhat.com>
10224
10225         PR target/70160
10226         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
10227         of uninitialized values.
10228
10229 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10230
10231         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
10232         define_expand.
10233         ("*trunctddd2"): New pattern definition.
10234         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
10235         TD->DD truncation.
10236
10237 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10238
10239         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
10240         definitions for BFP and DFP rounding modes.
10241         ("fixuns_truncdddi2", "fixuns_trunctddi2")
10242         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
10243         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
10244         ("fix_trunctf<mode>2"): Use the new constants instead of magic
10245         numbers.
10246
10247 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10248
10249         * config/s390/constraints.md: Adjust comment.
10250         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
10251         s390_decompose_addrstyle_without_index.
10252         * config/s390/predicates.md (shift_count_or_setmem_operand):
10253         Rename to setmem_operand.
10254         * config/s390/s390-protos.h
10255         (s390_decompose_shift_count): Rename to
10256         s390_decompose_addrstyle_without_index.
10257         * config/s390/s390.c (s390_decompose_shift_count)
10258         (s390_mem_constraint, print_shift_count_operand)
10259         (print_operand_address, print_operand): Rename
10260         s390_decompose_shift_count to
10261         s390_decompose_addrstyle_without_index and rename
10262         print_shift_count_operand to print_addrstyle_operand troughout the
10263         file.
10264         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
10265         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
10266         Rename shift_count_or_setmem_operand to setmem_operand.
10267         * config/s390/vx-builtins.md ("vec_insert<mode>")
10268         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
10269         nonmemory_operand.
10270
10271 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10272
10273         PR target/70168
10274         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
10275         Handle overlapping retval and newval.
10276
10277 2016-03-10  Nick Clifton  <nickc@redhat.com>
10278
10279         PR target/7044
10280         * config/aarch64/aarch64.c
10281         (aarch64_override_options_after_change_1): When forcing
10282         flag_omit_frame_pointer to be true, use a special value that can
10283         be detected if this function is called again, thus preventing
10284         flag_omit_leaf_frame_pointer from being forced to be false.
10285
10286 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10287
10288         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
10289         Set x_flag_omit_leaf_frame_pointer when handling
10290         -momit-leaf-frame-pointer.
10291
10292 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10293
10294         PR lto/69589
10295         * cgraph.c (cgraph_node::dump): Dump split_part and
10296         indirect_call_target.
10297         * cgraph.h (cgraph_node): Add indirect_call_target flag.
10298         * ipa.c (has_addr_references_p): Cleanup.
10299         (is_indirect_call_target_p): New.
10300         (walk_polymorphic_call_targets): Do not mark virtuals that may be
10301         called indirectly as local.
10302         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
10303
10304 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10305
10306         PR ipa/69630
10307         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
10308         on cxa_pure_virtual.
10309
10310 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10311
10312         PR lto/69589
10313         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
10314
10315 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
10316
10317         PR lto/69589
10318         * tree.c (need_assembler_name_p): Only record main variant type names.
10319
10320 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10321
10322         PR target/70113.
10323         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
10324         Always define to 0 or 1.
10325         (TARGET_FIX_ERR_A53_843419): New macro.
10326         * config/aarch64/aarch64-elf-raw.h
10327         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
10328         * config/aarch64/aarch64-linux.h: Likewise.
10329         * config/aarch64/aarch64.c
10330         (aarch64_override_options_after_change_1): Do not default
10331         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
10332         843419 is on.
10333         (aarch64_attributes): Handle fix-cortex-a53-843419.
10334         (aarch64_can_inline_p): Likewise.
10335         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
10336
10337 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
10338         Jakub Jelinek <jakub@redhat.com>
10339
10340         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
10341         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
10342         DECL_COMMONS if flag_unconstrained_commons is set.
10343         * tree-dfa.c (get_ref_base_and_extent): Likewise.
10344         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
10345         (funconstrained-commons): Document.
10346
10347 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
10348
10349         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
10350         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
10351
10352 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
10353
10354         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
10355         has a proper number of elements.
10356
10357 2016-03-10  Alan Modra  <amodra@gmail.com>
10358
10359         PR rtl-optimization/69195
10360         PR rtl-optimization/47992
10361         * ira.c (recorded_label_ref): Delete.
10362         (update_equiv_regs): Return void.
10363         (indirect_jump_optimize): New function.
10364         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
10365         before regstat_compute_ri.  Don't rebuild_jump_labels here.
10366         Delete update_regstat.
10367
10368 2016-03-10  Richard Biener  <rguenther@suse.de>
10369
10370         PR tree-optimization/70128
10371         * tree-ssa-structalias.c (set_uids_in_ptset): Set
10372         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
10373
10374 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10375
10376         PR tree-optimization/70152
10377         * tree-sra.c (replace_removed_params_ssa_names): Copy over
10378         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
10379
10380         PR target/70086
10381         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
10382         instead of gen_sse2_loadlpd.
10383         * config/i386/sse.md (*vec_concatv2df): Rename to...
10384         (vec_concatv2df): ... this.
10385
10386         PR tree-optimization/70127
10387         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
10388
10389 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10390
10391         PR c/68473
10392         PR c++/70105
10393         * diagnostic-show-locus.c (compatible_locations_p): New function.
10394         (layout::layout): Sanitize ranges using compatible_locations_p.
10395
10396 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
10397
10398         PR c/68473
10399         PR c++/70105
10400         * diagnostic-show-locus.c (layout_range::layout_range): Replace
10401         location_range param with three const expanded_locations * and a
10402         bool.
10403         (layout::layout): Replace call to
10404         rich_location::lazily_expand_location with get_expanded_location.
10405         Extract the range and perform location expansion here, passing
10406         the results to the layout_range ctor.
10407         * diagnostic.c (source_range::debug): Delete.
10408         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
10409         of rich_location::get_expanded_location.
10410         * gcc-rich-location.c (get_range_for_expr): Delete.
10411         (gcc_rich_location::add_expr): Reimplement to avoid the
10412         rich_location::add_range overload that took a location_range,
10413         passing a location_t instead.
10414
10415 2016-03-09  Richard Biener  <rguenther@suse.de>
10416         Jakub Jelinek  <jakub@redhat.com>
10417
10418         PR tree-optimization/70138
10419         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
10420         Also skip vect_double_reduction_def.
10421
10422 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
10423
10424         PR target/70049
10425         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
10426         if the operand is "m".
10427
10428 2016-03-09  Nathan Sidwell  <nathan@acm.org>
10429
10430         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
10431
10432 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
10433
10434         * config/i386/i386.c (processor_target_table): Fix cost table
10435         intialization order for znver1.
10436
10437 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10438
10439         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
10440         - becuase -> because.
10441         * ipa-reference.c (ignore_module_statics): Likewise.
10442         * cgraph.c (cgraph_node::get_body): Likewise.
10443         * ipa-inline.c (early_inliner): Likewise.
10444         * ipa-devirt.c (types_same_for_odr): Likewise.
10445         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
10446         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
10447
10448 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10449
10450         * tree-ssa-math-opts.c: Fix typo in comment.
10451
10452 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
10453
10454         PR target/70110
10455         * config/i386/i386.c (scalar_chain::make_vector_copies,
10456         scalar_chain::convert_reg): Call end_sequence in between
10457         get_insns and emit_conversion_insns rather than after both
10458         calls.
10459
10460 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
10461
10462         PR target/70064
10463         * config/i386/i386.h (machine_function): Add
10464         pc_thunk_call_expanded flag.
10465         (ix86_pc_thunk_call_expanded): New define.
10466         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
10467         (*set_got): Rename insn pattern from set_got.
10468         (*set_got_labelled): Rename inst pattern from set_got_labelled.
10469         * config/i386/i386.c (ix86_compute_frame_layout): Use
10470         ix86_pc_thunk_call_expanded to prevent red-zone.
10471
10472 2016-03-07  Martin Jambor  <mjambor@suse.cz>
10473
10474         * hsa.h (hsa_get_ctor_statements): Declare.
10475         (hsa_get_dtor_statements): Likewise.
10476         (hsa_get_kernel_dispatch_type): Likewise.
10477         * hsa.c (hsa_get_ctor_statements): New function.
10478         (hsa_get_dtor_statements): Likewise.
10479         (hsa_get_kernel_dispatch_type): Likewise.
10480         * hsa-brig.c (hsa_cdtor_statements): Removed.
10481         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
10482         hsa_get_dtor_statements.
10483         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
10484         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
10485
10486 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
10487
10488         * config/arm/arm-cores.def (cortex-r8): New.
10489         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
10490         * config/arm/arm-tune.md: Likewise.
10491         * doc/invoke.texi: Add cortex-r8 to list of cpu values.
10492
10493 2016-03-07  Martin Sebor  <msebor@redhat.com>
10494
10495         PR rtl-optimization/19705
10496         * doc/invoke.texi (Options That Control Optimization): Clarify
10497         -fno-branch-count-reg.
10498
10499 2016-02-26  Richard Biener  <rguenther@suse.de>
10500             Jeff Law  <law@redhat.com>
10501
10502         PR tree-optimization/69740
10503         * cfghooks.c (remove_edge): Request loop fixups if we delete
10504         an edge that might turn an irreducible loop into a natural
10505         loop.
10506         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
10507         Move after definition of loops_state_clear.
10508
10509 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
10510
10511         PR rtl-optimization/69052
10512         * rtlanal.c (commutative_operand_precedence): Set higher precedence
10513         to CONST_WIDE_INT.
10514
10515 2016-03-07  Tom de Vries  <tom@codesourcery.com>
10516
10517         PR tree-optimization/70116
10518         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
10519         is_tm_ending stmts and ubsan/asan internal functions.
10520         (find_duplicate): Use it.  Don't test is_tm_ending here.
10521
10522 2016-03-07  Richard Biener  <rguenther@suse.de>
10523
10524         PR tree-optimization/70115
10525         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
10526         (propagate_constants_for_unrolling): Use replace_uses_by.
10527
10528 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
10529
10530         PR middle-end/69916
10531         * omp-low.c (struct oacc_loop): Add ifns.
10532         (new_oacc_loop_raw): Initialize it.
10533         (finish_oacc_loop): Clear mask & flags if no ifns.
10534         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
10535         (oacc_loop_xform_loop): Add ifns arg & adjust.
10536         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
10537
10538 2016-03-07  Richard Henderson  <rth@redhat.com>
10539
10540         PR rtl-opt/70061
10541         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
10542         (insert_value_copy_on_edge): Likewise.
10543
10544 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10545
10546         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
10547
10548 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10549
10550         PR target/62281
10551         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
10552
10553 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10554
10555         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
10556
10557 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
10558
10559         Fix sseimul type attribute.
10560         * config/i386/znver1.md
10561         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
10562         znver1_sseimul_avx256_load) : Fix the type attribute.
10563         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
10564         pipe usage and latency.
10565
10566 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
10567
10568         PR c++/70084
10569         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
10570         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
10571         to the right type.
10572
10573 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10574
10575         PR c/69973
10576         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
10577
10578         PR rtl-optimization/69941
10579         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
10580         the reg share its mode.
10581
10582 2016-03-04  Jeff Law  <law@redhat.com>
10583
10584         PR tree-optimization/69196
10585         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10586         If the both SSA_NAMEs are anonymous, then consider them unassociated
10587         and include the PHI in the statement count.
10588
10589 2016-03-05  Tom de Vries  <tom@codesourcery.com>
10590
10591         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
10592         construct in oacc routine.  Check for oacc region in oacc routine.
10593
10594 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10595
10596         PR target/70062
10597         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
10598         2016-02-22 changes, instead don't recurse if RECUR is already true.
10599         Don't change *dynamic_check if RECUR.  Adjust recursive caller
10600         to pass true to the new argument.
10601         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
10602
10603         PR target/70059
10604         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
10605         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
10606         fixes.
10607         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
10608
10609 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
10610
10611         PR rtl-optimization/57676
10612         * lra-assigns.c (lra_assign): Guard test for maximum iterations
10613         with flag_checking.
10614
10615 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
10616
10617         * tree-vect-patterns.c (search_type_for_mask): Handle
10618         comparison of booleans.
10619
10620 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
10621
10622         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
10623         Fix @xref usage.
10624
10625         PR debug/69947
10626         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
10627         all other ops that have dw_val_class_die_ref operands,
10628         and DW_OP_GNU_entry_value.
10629
10630 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
10631
10632         PR rtl-optimization/69904
10633         * config/arm/arm.c (arm_cannot_copy_insn_p):
10634         Return true for load-exclusive instructions.
10635
10636 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
10637
10638         PR target/70021
10639         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
10640         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
10641         the pattern no matter if it is used just by non-pattern, pattern
10642         or mix thereof.
10643         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
10644         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
10645         oprnd1 def_stmt is in pattern, don't look through it.
10646
10647 2016-03-03  Marek Polacek  <polacek@redhat.com>
10648
10649         PR middle-end/70050
10650         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
10651
10652 2016-03-03  Martin Liska  <mliska@suse.cz>
10653
10654         PR tree-optimization/70043
10655         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
10656         previous statement if we see a debug statement.
10657
10658 2016-03-03  Richard Biener  <rguenther@suse.de>
10659
10660         PR tree-optimization/55936
10661         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
10662         parameter and guard unsafe equivalence use.
10663         (vrp_evaluate_conditional_warnv_with_ops): Always use
10664         safe equivalences but not via the quadratic compare_names
10665         helper.
10666
10667 2016-03-03  Michael Collison  <michael.collison@linaro.org>
10668
10669         PR target/70014
10670         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
10671         for operand 1 to s_register_operand. Change predicate for operand
10672         2 to arm_not_immediate_operand.
10673
10674 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
10675
10676         * doc/tm.texi: Regenerated.
10677
10678 2016-03-02  Richard Henderson  <rth@redhat.com>
10679
10680         PR rtl-opt/67145
10681         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
10682         simplification when all args are positive non-fixed registers.
10683
10684 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10685
10686         * target.def (lra_p): Specify that new ports should use LRA.
10687
10688 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10689
10690         PR libgomp/69555
10691         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
10692         gimplify_type_sizes the type they refer to.
10693         (omp_notice_variable): Handle reference vars to VLAs.
10694         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
10695         reference to VLA decls in the second pass instead of first pass.
10696
10697 2016-03-02  Tom de Vries  <tom@codesourcery.com>
10698
10699         PR tree-optimization/68659
10700         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
10701         new_expr == NULL_TREE.
10702         (get_new_name): Handle ADDR_EXPR.
10703
10704 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
10705
10706         PR rtl-optimization/69052
10707         * loop-invariant.c (canonicalize_address): New function.
10708         (inv_can_prop_to_addr_use): Check validity of address expression
10709         which is canonicalized by above function.
10710
10711 2016-03-02  Alan Modra  <amodra@gmail.com>
10712
10713         PR ipa/69990
10714         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
10715         larger alignment.
10716
10717 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
10718
10719         PR target/70028
10720         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
10721         (*movhi_internal): Put mask moves from and to memory separately
10722         from moves from/to GPRs.
10723
10724 2016-03-02  Richard Biener  <rguenther@suse.de>
10725
10726         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
10727         GENERIC expressions in GIMPLE.
10728
10729 2016-03-02  Richard Biener  <rguenther@suse.de>
10730
10731         * config/i386/i386.c (type_natural_mode): Fix typo.
10732
10733 2016-03-02  Nick Clifton  <nickc@redhat.com>
10734
10735         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
10736
10737 2016-03-02  Richard Biener  <rguenther@suse.de>
10738             Uros Bizjak  <ubizjak@gmail.com>
10739
10740         PR target/67278
10741         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
10742
10743 2016-03-02  Richard Biener  <rguenther@suse.de>
10744
10745         PR middle-end/67278
10746         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
10747
10748 2016-03-02  Marek Polacek  <polacek@redhat.com>
10749
10750         PR c/67854
10751         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
10752         "is promoted to" warning.
10753
10754 2016-03-01  DJ Delorie  <dj@redhat.com>
10755
10756         * config.gcc: Deprecate mep-*.
10757
10758 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
10759
10760         PR middle-end/70025
10761         * lra-constraints.c (regno_val_use_in): New.
10762         (match_reload): Use it instead of regno_use_in.
10763
10764 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10765
10766         PR rtl-optimization/70007
10767         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
10768         references present in REG_EQUAL notes attached to non-SET patterns.
10769
10770 2016-03-01  Jeff Law  <law@redhat.com>
10771
10772         PR tree-optimization/69196
10773         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10774         Appropriately clamp the number of statements to copy when the
10775         thread path does not traverse a loop backedge.
10776
10777         PR tree-optimization/69196
10778         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
10779         Do count some PHIs in the thread path against the insn count.  Decrease
10780         final statement count by one as the control statement in the last
10781         block will get removed.  Remove special cased code for handling PHIs
10782         in the last block.
10783
10784 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
10785
10786         PR target/70027
10787         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
10788         asm dialect alternatives to explicit GOTPCREL calls.
10789
10790 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
10791
10792         PR ada/70017
10793         * ira.c (do_reload): Issue warning for generic stack checking here...
10794         * reload1.c (reload): ...instead of here and streamline it.
10795
10796 2016-03-01  Nick Clifton  <nickc@redhat.com>
10797
10798         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
10799
10800 2016-03-01  Richard Biener  <rguenther@suse.de>
10801
10802         PR tree-optimization/69983
10803         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
10804         types and fall back to operand_equal_p.
10805
10806 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10807
10808         Revert
10809         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10810
10811         * config/s390/constraints.md ("jm8"): New constraint.
10812         * config/s390/predicates.md ("const_int_8bitset_operand"): New
10813         predicate.
10814         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
10815         into ...
10816         ("*setmem_long<setmem_and>"): New pattern.
10817         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
10818         into ...
10819         ("*setmem_long_31z<setmem_and>"): New pattern.
10820         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
10821         New substitution rules with the required attributes.
10822
10823
10824 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10825
10826         Revert
10827         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10828
10829         * gensupport.c (process_substs_on_one_elem): Split loop to
10830         complete mark_operands_used_in_match_dup on all expressions in the
10831         vector first.
10832         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10833         and remove function.
10834
10835 2016-03-01  Richard Biener  <rguenther@suse.de>
10836
10837         PR middle-end/70022
10838         * fold-const.c (fold_indirect_ref_1): Fix range checking for
10839         vector BIT_FIELD_REF extract.
10840
10841 2016-03-01  Richard Biener  <rguenther@suse.de>
10842
10843         PR tree-optimization/69994
10844         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
10845
10846 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
10847
10848         PR tree-optimization/69956
10849         * tree-vect-stmts.c (supportable_widening_operation): Support
10850         multi-step conversion of boolean vectors.
10851         (supportable_narrowing_operation): Likewise.
10852
10853 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10854
10855         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
10856         anymore.
10857
10858 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10859
10860         * config/s390/subst.md (DSI_VI): New mode iterator.
10861         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
10862         * config/s390/vector.md ("vec_set<mode>"): Move expander before
10863         the insn definition.
10864         ("*vec_set<mode>"): Change predicate and add alternative to
10865         support only either register or const_int operands as element
10866         selector.
10867         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
10868         operands.
10869         ("vec_extract<mode>"): New expander.
10870         ("*vec_extract<mode>"): New insn definition supporting reg and
10871         const_int element selectors.
10872         ("*vec_extract<mode>_plus"): New insn definition supporting
10873         reg+const_int element selectors.
10874         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
10875         following expander+insn definition.
10876         ("<vec_shifts_name><mode>3"): New expander.
10877         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
10878
10879 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10880
10881         * config/s390/s390.md ("*tabort_1"): Change predicate to
10882         nonmemory_operand.  Add a second alternative to cover
10883         register as well as const int operands.
10884         ("*tabort_1_plus"): New pattern definition.
10885
10886 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10887
10888         * config/s390/s390.md ("*ashrdi3_cc_31")
10889         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
10890         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
10891         Merge insn definitions into ...
10892         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10893         New pattern definition.
10894         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
10895         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
10896         ("*ashr<mode>3_and"): Merge insn definitions into ...
10897         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
10898         New pattern definition.
10899         * config/s390/subst.md ("addr_style_op_cc_subst")
10900         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
10901         substitutions patterns plus attributes.
10902         Add ashiftrt to SUBST iterator.
10903
10904 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10905
10906         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
10907         op2 to nonmemory_operand.
10908         ("*<shift>di3_31", "*<shift>di3_31_and"):
10909         Merge into single pattern definition ...
10910         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
10911         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
10912         pattern definition ...
10913         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
10914         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
10915         iterator.
10916
10917 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10918
10919         * config/s390/predicates.md (const_int_6bitset_operand): New
10920         predicate.
10921         * config/s390/s390.md: Include subst.md.
10922         ("rotl<mode>3"): New expander.
10923         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
10924         ...
10925         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
10926         * config/s390/subst.md: New file.
10927
10928 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10929
10930         * config/s390/s390.md ("op_type", "atype", "length" attributes):
10931         Remove RRR type.  It doesn't really exist.
10932         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
10933         attributes.
10934         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
10935         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
10936         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
10937         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
10938         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
10939         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
10940         `enabled' attribute.
10941
10942 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10943
10944         * gensupport.c (process_substs_on_one_elem): Split loop to
10945         complete mark_operands_used_in_match_dup on all expressions in the
10946         vector first.
10947         (adjust_operands_numbers): Inline into process_substs_on_one_elem
10948         and remove function.
10949
10950 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
10951
10952         PR target/69706
10953         * config/sparc/sparc.c (NWORDS_UP): Rename to...
10954         (CEIL_NWORDS): ...this.  Use CEIL macro.
10955         (compute_fp_layout): Adjust to above renaming.
10956         (function_arg_union_value): Likewise.
10957         (sparc_arg_partial_bytes): Likewise.
10958         (sparc_function_arg_advance): Likewise.
10959
10960 2016-02-29  Jeff Law  <law@redhat.com>
10961
10962         PR tree-optimization/70005
10963         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
10964         where an object with a boolean range is compared against a value
10965         outside [0..1].
10966
10967         PR tree-optimization/69999
10968         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
10969         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
10970         loop cleanups.
10971
10972 2016-02-29  Richard Biener  <rguenther@suse.de>
10973
10974         PR tree-optimization/69994
10975         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
10976         (get_unary_op): Look through nop conversions.
10977         (ops_equal_values_p): New function, look for equality diregarding
10978         nop conversions.
10979         (eliminate_plus_minus_pair): Use ops_equal_values_p
10980         (repropagate_negates): Do not use get_unary_op here.
10981
10982 2016-02-29  Martin Liska  <mliska@suse.cz>
10983
10984         * system.h: Poison ENABLE_CHECKING macro.
10985
10986 2016-02-29  Martin Liska  <mliska@suse.cz>
10987
10988         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
10989         is presented in dump flags.
10990         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
10991         (hsa_regalloc): Likewise.
10992
10993 2016-02-19  Richard Biener  <rguenther@suse.de>
10994
10995         PR tree-optimization/69980
10996         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
10997         permutation of those we need to keep.
10998
10999 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
11000
11001         PR target/69706
11002         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
11003         (NWORDS_UP): ...this
11004         (init_cumulative_args): Minor tweaks.
11005         (sparc_promote_function_mode): Likewise.
11006         (scan_record_type): Delete.
11007         (traverse_record_type): New function template.
11008         (classify_data_t): New structure type.
11009         (classify_registers): New inline function.
11010         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
11011         exhausted.  Instantiate traverse_record_type on classify_registers and
11012         deal with the case of a structure passed in slot #15 with no FP field
11013         in the first word.
11014         (assign_data_t): New structure type.
11015         (compute_int_layout): New static function.
11016         (compute_fp_layout): Likewise.
11017         (count_registers): New inline function.
11018         (assign_int_registers): New static function.
11019         (assign_fp_registers): Likewise.
11020         (assign_registers): New inline function.
11021         (function_arg_record_value_1): Delete.
11022         (function_arg_record_value_2): Likewise.
11023         (function_arg_record_value_3): Likewise.
11024         (function_arg_record_value): Adjust to above changes.  Instantiate
11025         traverse_record_type on count_registers to first count the number of
11026         registers to be used and then on assign_registers to assign them.
11027         (function_arg_union_value): Adjust to above renaming.
11028         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
11029         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
11030         case of a structure passed in slot #15
11031         (sparc_function_arg_advance): Likewise.
11032         (function_arg_padding): Minor tweak.
11033
11034 2016-02-29  Richard Biener  <rguenther@suse.de>
11035
11036         PR tree-optimization/69720
11037         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
11038         the adjustment_def path for possibly vectorized defs.
11039         (vect_create_epilog_for_reduction): Handle vectorized initial
11040         defs properly.
11041
11042 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
11043
11044         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
11045
11046 2016-02-27  Jeff Law  <law@redhat.com>
11047
11048         Revert
11049         2016-02-26  Richard Biener  <rguenther@suse.de>
11050                     Jeff Law  <law@redhat.com>
11051
11052         PR tree-optimization/69740
11053         * cfghooks.c (remove_edge): Request loop fixups if we delete
11054         an edge that might turn an irreducible loop into a natural
11055         loop.
11056
11057 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
11058
11059         PR rtl-optimization/69896
11060         * tree-vect-generic.c (get_compute_type): Avoid single element
11061         vector types.
11062
11063 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
11064
11065         Rename the AArch64 tuning option and related functions to enable the
11066         Newton series for the reciprocal square root to reflect its
11067         approximative characteristic.
11068
11069         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
11070         function to "aarch64_emit_approx_rsqrt".
11071         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
11072         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
11073         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
11074         (xgene1_tunings): Likewise.
11075         (use_rsqrt_p): Likewise.
11076         (aarch64_emit_swrsqrt): Use new function name.
11077         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
11078         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
11079         text explaining this option.
11080         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
11081
11082 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11083
11084         PR target/69969
11085         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
11086         complain about -mallow-movmisalign without -mvsx if
11087         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
11088
11089 2016-02-26  Joel Sherrill  <joel@rtems.org>
11090
11091         * config.gcc: Add x86_64-*-rtems*.
11092         * config/i386/rtems-64.h: New file.
11093
11094 2016-02-26  Joel Sherrill  <joel@rtems.org>
11095
11096         * config.gcc: Add aarch64-*-rtems*.
11097         * config/aarch64/rtems.h: New file.
11098
11099 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
11100
11101         PR target/69946
11102         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
11103         shift amount using %h.  Add comment.
11104
11105 2016-02-26  Richard Biener  <rguenther@suse.de>
11106             Jeff Law  <law@redhat.com>
11107
11108         PR tree-optimization/69740
11109         * cfghooks.c (remove_edge): Request loop fixups if we delete
11110         an edge that might turn an irreducible loop into a natural
11111         loop.
11112
11113 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11114
11115         PR middle-end/69920
11116         * tree-sra.c (sra_modify_assign): Do not remove loads of
11117         uninitialized aggregates to SSA_NAMEs.
11118
11119 2016-02-26  Richard Henderson  <rth@redhat.com>
11120
11121         PR target/69709
11122         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
11123         pseudo in case the target rtx matches the source of the left
11124         shift.
11125
11126 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11127
11128         PR hsa/69568
11129         * hsa.h (hsa_type_packed_p): Declare.
11130         * hsa.c (hsa_type_packed_p): New function.
11131         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
11132         loads.
11133         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
11134         * hsa-brig.c (emit_basic_insn): Likewise.
11135
11136 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11137
11138         pr hsa/69674
11139         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
11140         pointers.
11141         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
11142
11143 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11144
11145         * hsa.h (is_a_helper): New overload for hsa_op_immed for
11146         hsa_op_with_type operands.
11147         (hsa_unsigned_type_for_type): Declare.
11148         * hsa.c (hsa_unsigned_type_for_type): New function.
11149         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
11150         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
11151         the finalizer.  Do not emit extra move.
11152
11153 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11154
11155         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
11156         atomic operations in private segment.
11157
11158 2016-02-26  Martin Jambor  <mjambor@suse.cz>
11159
11160         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
11161         statements to wi->info.  Also disallow omp simd constructs.
11162         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
11163         for not gridifying.  Dump special string for omp_for.
11164
11165 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11166
11167         PR target/69245
11168         * config/aarch64/aarch64.c (aarch64_set_current_function):
11169         Save/restore target globals when switching to
11170         target_option_default_node.
11171
11172 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11173
11174         PR target/69613
11175         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
11176         Return 0 if !SHIFT_COUNT_TRUNCATED.
11177
11178 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
11179             Eric Botcazou  <ebotcazou@adacore.com>
11180
11181         PR rtl-optimization/69891
11182         * dse.c (scan_insn): If we can't figure out memset arguments
11183         or they are non-constant, call clear_rhs_from_active_local_stores.
11184
11185 2016-02-26  Martin Liska  <mliska@suse.cz>
11186
11187         * doc/extend.texi: Mention clog10, clog10f an clog10l
11188         in Builtins section.
11189
11190 2016-02-26  Martin Liska  <mliska@suse.cz>
11191
11192         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
11193         CHECKING_P.
11194         (resolve_args_picking_1): Likewise.
11195         * dwarf2out.h (struct GTY): Likewise.
11196
11197 2016-02-26  Martin Liska  <mliska@suse.cz>
11198
11199         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
11200         with flag_checking.
11201         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
11202
11203 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
11204             Martin Liska  <mliska@suse.cz>
11205
11206         * doc/install.texi: Mention --enable-valgrind-annotations.
11207
11208 2016-02-26  Richard Biener  <rguenther@suse.de>
11209
11210         PR tree-optimization/69551
11211         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
11212         looking through aliases adjust DECL_PT_UID to refer to the
11213         ultimate alias target.
11214
11215 2016-02-25  Martin Liska  <mliska@suse.cz>
11216
11217         PR middle-end/69919
11218         * alloc-pool.c (after_memory_report): New variable.
11219         * alloc-pool.h (base_pool_allocator ::release): Do not use
11220         the infrastructure if after_memory_report.
11221         * toplev.c (toplev::main): Mark after memory report.
11222
11223 2016-02-25  Richard Biener  <rguenther@suse.de>
11224
11225         PR tree-optimization/48795
11226         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
11227
11228 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
11229
11230         PR driver/68463
11231         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
11232         offloading is enabled and -fopenacc or -fopenmp is specified.
11233         (CRTOFFLOADEND): Likewise.
11234         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
11235         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
11236         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
11237         (offload_objects_file_name): New static var.
11238         (tool_cleanup): Remove offload_objects_file_name file.
11239         (find_offloadbeginend): Replace with ...
11240         (find_crtoffloadtable): ... this.
11241         (run_gcc): Remove offload_argc and offload_argv.
11242         Get offload_objects_file_name from -foffload-objects=... option.
11243         Read names of object files with offload from this file, pass them to
11244         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
11245         don't pass offloadbegin and offloadend to the linker.  Don't pass
11246         offload non-LTO files to the linker, because now they're not claimed.
11247
11248 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
11249
11250         PR ipa/69630
11251         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
11252         on builtin_unreachable.
11253
11254 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
11255
11256         PR rtl-optimization/69896
11257         * regcprop.c: Include cfgrtl.h.
11258         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
11259         than remembered mode, either delete it (if noop_move_p), or
11260         treat like copy_p but not noop_p instruction.
11261
11262 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11263
11264         PR debug/69705
11265         * dwarf2out.c (gen_variable_die): Work around buggy LTO
11266         - allow NULL decl for Fortran DW_TAG_common_block variables.
11267
11268 2016-02-24  Jason Merrill  <jason@redhat.com>
11269
11270         * common.opt (flifetime-dse): Add -flifetime-dse=1.
11271
11272 2016-02-24  Richard Biener  <rguenther@suse.de>
11273             Jakub Jelinek  <jakub@redhat.com>
11274
11275         PR middle-end/69760
11276         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
11277         conditionally executed ops to well-defined overflow behavior.
11278
11279 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11280
11281         PR middle-end/69915
11282         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
11283         elements.
11284
11285 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11286
11287         PR rtl-optimization/69886
11288         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
11289         argument.  Use it when checking validity of set instructions.
11290         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
11291         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
11292         callsite.
11293         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
11294         * store-motion.c (find_moveable_store): Update
11295         can_assign_to_reg_without_clobbers_p callsite.
11296
11297 2016-02-24  Richard Biener  <rguenther@suse.de>
11298
11299         PR middle-end/68963
11300         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
11301         bogus check.
11302         (record_nonwrapping_iv): Do not fall back to the low/high bound
11303         for non-constant IV bases if the stmt is not always executed.
11304
11305 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11306
11307         * config/arm/arm-cores.def (cortex-a32): New entry.
11308         * config/arm/arm-tables.opt: Regenerate.
11309         * config/arm/arm-tune.md: Regenerate.
11310         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
11311         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
11312         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
11313         for -mcpu and -mtune.
11314
11315 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11316
11317         PR target/69875
11318         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
11319         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
11320         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
11321         (atomic_loaddi_1): Delete.
11322         (atomic_loaddi): Rewrite expander using the above changes.
11323
11324 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11325
11326         PR c/69918
11327         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
11328         2 to 3.
11329
11330 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
11331             Richard Biener  <rguenth@suse.de>
11332
11333         PR middle-end/69909
11334         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
11335         set_mem_attributes if tem is SSA_NAME which got expanded
11336         as a MEM.
11337
11338 2016-02-24  Richard Biener  <rguenther@suse.de>
11339
11340         PR tree-optimization/69907
11341         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
11342         end of permutations for BB vectorization.
11343
11344 2016-02-24  Christian Bruel  <christian.bruel@st.com>
11345
11346         * config/arm/arm-c.c (arm_option_override): Initialize
11347         target_option_current_node.
11348         * config/arm/arm.c (arm_pragma_target_parse): Replace
11349         build_target_option_node call by target_option_current_node.
11350         Set target_option_current_node.
11351         Fix comments.
11352
11353 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
11354
11355         PR target/69810
11356         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
11357         define_insn_and_split to define_insn.
11358         (zero_extendqi<mode>2_dot2): Same.
11359         (extendqi<mode>2_dot): Same.
11360         (extendqi<mode>2_dot2): Same.
11361
11362 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11363
11364         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
11365         and add bypass for AES{D,E} and AESMC pairs.
11366         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
11367         and AESMC pairs.
11368
11369 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
11370
11371         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
11372         series for reciprocal square root in Exynos M1.
11373
11374 2016-02-23  Martin Sebor  <msebor@redhat.com>
11375
11376         PR c/69759
11377         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
11378         __builtin_alloca_with_align.
11379
11380 2016-02-23  Richard Henderson  <rth@redhat.com>
11381
11382         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
11383         (ix86_register_pragmas): Remove __seg_tls.
11384         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
11385         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
11386         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
11387         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
11388         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
11389         * doc/extend.texi (__seg_tls): Remove item.
11390
11391 2016-02-23  Richard Biener  <rguenther@suse.de>
11392
11393         * alloc-pool.h (struct allocation_object): Make id member
11394         conditional on CHECKING_P again.
11395         (get_instance): Adjust.
11396         (base_pool_allocator): Likewise.
11397
11398 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
11399
11400         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
11401         (parallelize_loops): In OpenACC kernels mode, set n_threads to
11402         zero.
11403         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
11404         flag_openacc.
11405         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
11406
11407 2016-02-23  Richard Biener  <rguenther@suse.de>
11408
11409         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
11410         * bitmap.h (struct bitmap_usage): Likewise.
11411         (bitmap_move): Declare.
11412         * bitmap.c (register_overhead): Take size_t argument.
11413         (bitmap_move): New function.
11414         * df-problems.c (df_rd_transfer_function): Use bitmap_move
11415         to properly account overhead.
11416         * tree.c (free_node): Use tree_size.
11417
11418 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
11419
11420         PR c++/69902
11421         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
11422         when inverting comparison.
11423
11424         PR c/69900
11425         * common.opt (Wunreachable-code): Add Warning flag.
11426
11427 2016-02-23  Mark Wielaard  <mjw@redhat.com>
11428             Jakub Jelinek  <jakub@redhat.com>
11429
11430         PR c/69911
11431         * cgraphunit.c (check_global_declaration): Check main_input_filename
11432         and DECL_SOURCE_FILE are not NULL.
11433
11434 2016-02-23  Martin Jambor  <mjambor@suse.cz>
11435
11436         PR tree-optimization/69666
11437         * tree-sra.c (sra_modify_assign): Do not attempt to create
11438         default_def replacements for unscalarizable regions.
11439
11440 2016-02-20  Mark Wielaard  <mjw@redhat.com>
11441
11442         PR c/28901
11443         * cgraphunit.c (check_global_declaration): Check level of
11444         warn_unused_const_variable and main_input_filename.
11445         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
11446         (-Wunused-variable): For C implies -Wunused-const-variable=1.
11447         (-Wunused-const-variable): Explain levels 1 and 2.
11448
11449 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11450
11451         PR target/69888
11452         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
11453         identical arguments.  Formatting and spelling fixes.
11454
11455         PR target/69885
11456         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
11457         be specified.
11458
11459         PR target/69894
11460         PR target/69895
11461         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
11462         and m68k-devices.def.
11463         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
11464         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
11465
11466 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
11467
11468         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
11469         and HImode registers.
11470
11471 2016-02-22  Richard Biener  <rguenther@suse.de>
11472
11473         PR tree-optimization/69882
11474         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
11475         preserve permutations present because of gaps.
11476         (vect_supported_load_permutation_p): Always continue checking
11477         permutations after vect_attempt_slp_rearrange_stmts.
11478
11479 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
11480
11481         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
11482         min_profitable_estimate, rather than min_profitable_iters.
11483
11484 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
11485
11486         PR target/69885
11487         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
11488         SImode for last match_operand.
11489
11490 2016-02-22  Martin Liska  <mliska@suse.cz>
11491
11492         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
11493         return bitsize - 1 as the return value.
11494
11495 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
11496
11497         PR target/69806
11498         PR target/54089
11499         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
11500         Handle negative shift counts.
11501         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
11502         force_reg on the shift constant.
11503         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
11504         (lshrsi3_d): Handle negative shift counts.
11505
11506 2016-02-22  Richard Biener  <rguenther@suse.de>
11507             Tom de Vries  <tom@codesourcery.com>
11508
11509         * graph.c: Include dumpfile.h.
11510         (print_graph_cfg): Split into three overloads.
11511         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
11512
11513 2016-02-22  Tom de Vries  <tom@codesourcery.com>
11514
11515         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
11516         dump-fn.
11517
11518 2016-02-22  Richard Biener  <rguenther@suse.de>
11519
11520         PR ipa/37448
11521         * ipa-inline-transform.c (inline_call): When not updating
11522         overall summaries adjust self size by the growth estimate.
11523         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
11524         hash-set, do not update overall summaries here.  Renamed from ...
11525         (inline_to_all_callers): ... this which is now wrapping the
11526         above and performing delayed overall summary update.
11527         (early_inline_small_functions): Delay updating of the overall
11528         summary.
11529
11530 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
11531
11532         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
11533         variable.
11534
11535 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11536
11537         PR driver/69805
11538         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
11539         :%* in %:gt() argument.
11540         (greater_than_spec_func): Adjust for expecting only numbers,
11541         if there are more than two numbers, compare the last two.
11542
11543 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
11544
11545         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
11546         -Wnarrowing with -std.
11547
11548 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
11549
11550         PR c++/69851
11551         * expr.c (store_field): Don't use bit-field path if exp is
11552         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
11553         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
11554         and the assignment can be performed by bitwise copy.  Formatting
11555         fix.
11556
11557         PR middle-end/69838
11558         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
11559         call copy_reg_eh_region_note_forward on before and/or after sequences
11560         and remove note from insn if it no longer can throw.
11561
11562         PR target/69820
11563         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
11564         if TARGET_AVX512BW.
11565
11566 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11567
11568         * config/s390/vector.md: Add missing commutative operand markers
11569         to the patterns which qualify for one.
11570         * config/s390/vx-builtins.md: Likewise.
11571
11572 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11573
11574         * config/s390/vector.md (VI, VI_QHS): Add single element vector
11575         types to mode iterators.
11576         (vec_double): ... and mode attribute.
11577         * config/s390/vx-builtins.md (non_vec_int): Likewise.
11578
11579 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11580
11581         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
11582         Change the predicate of op2 from nonimmediate to general and let
11583         reload fix it if necessary.
11584
11585 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11586
11587         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
11588
11589 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11590
11591         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
11592         mode.
11593
11594 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11595
11596         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
11597         * config/s390/s390.c (s390_expand_vec_movstr): New function.
11598         * config/s390/s390.md ("movstr<P:mode>"): Call
11599         s390_expand_vec_movstr.
11600
11601 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11602
11603         * config/s390/s390.md: Add missing output modifier for operand 1
11604         to print it as address properly.
11605
11606 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11607
11608         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
11609         * config/s390/2964.md: New file.
11610         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
11611         of insn grouping attributes depending on the CPU level.
11612         (s390_get_unit_mask): New function.
11613         (s390_sched_score): Remove the OOO from the scheduling macros.
11614         Add loop to calculate a score for the instruction mix.
11615         (s390_sched_reorder): Likewise plus improve debug output.
11616         (s390_sched_variable_issue): Rename macros as above.  Calculate
11617         the unit distances after actually scheduling an insn.  Improve
11618         debug output.
11619         (s390_sched_init): Clear last_scheduled_unit_distance array.
11620         * config/s390/s390.md: Include 2964.md.
11621
11622 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11623
11624         PR target/69671
11625         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
11626         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
11627         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
11628         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
11629         *avx512f_<code>v8div16qi2_mask_1): New insns.
11630
11631 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
11632
11633         PR target/68404
11634         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
11635         2016-02-09 change.
11636
11637         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
11638         earlyclobber from target.  Use wF constraint for fused memory
11639         address.
11640         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
11641
11642 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
11643             Martin Liska  <mliska@suse.cz>
11644
11645         PR sanitizer/69863
11646         * cfgexpand.c (asan_sanitize_stack_p): New function.
11647         (partition_stack_vars): Use the function.
11648         (expand_stack_vars): Likewise.
11649         (defer_stack_allocation): Likewise.
11650         (expand_used_vars): Likewise.
11651
11652 2016-02-18  Richard Biener  <rguenther@suse.de>
11653
11654         PR middle-end/69553
11655         * fold-const.c (operand_equal_p): Properly compare offsets for
11656         IMAGPART_EXPR and ARRAY_REF.
11657
11658 2016-02-18  Nick Clifton  <nickc@redhat.com>
11659
11660         PR target/62254
11661         PR target/69610
11662         * config/arm/arm.c (arm_option_override_internal): Disable
11663         interworking if the target does not support thumb instructions.
11664         (arm_reload_in_hi): Handle the case where a register to register
11665         move needs reloading because there is no simple pattern to handle
11666         it.
11667         (arm_reload_out_hi): Likewise.
11668
11669 2016-02-18  Richard Biener  <rguenther@suse.de>
11670
11671         PR middle-end/69854
11672         * match.pd: Don't use fold_binary or fold_unary for folding
11673         constants.
11674
11675 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
11676
11677         PR c++/69850
11678         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
11679         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
11680         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
11681         warn on gimple_no_warning_p statements.
11682
11683 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
11684
11685         * doc/extend.texi (C++ Attributes): Correct description of
11686         warn_unused type attribute.
11687
11688 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11689
11690         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
11691         correct instruction.
11692
11693 2016-02-17  Richard Biener  <rguenther@suse.de>
11694
11695         PR rtl-optimization/69609
11696         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
11697         (find_traces_1_round): When ending a trace update cached priority
11698         of successors.
11699         (bb_to_key): Use cached priority when available.
11700         (copy_bb): Initialize cached priority.
11701         (reorder_basic_blocks_software_trace_cache): Likewise.
11702
11703 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11704
11705         PR target/69161
11706         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
11707         New predicate.
11708         (aarch64_comparison_operator): Break overly long line into two.
11709         (aarch64_comparison_operation): Likewise.
11710         * config/aarch64/aarch64.md (cstorecc4): Use
11711         aarch64_comparison_operator_mode instead of
11712         aarch64_comparison_operator.
11713         (cstore<mode>4): Likewise.
11714         (aarch64_cstore<mode>): Likewise.
11715         (*cstoresi_insn_uxtw): Likewise.
11716         (cstore<mode>_neg): Likewise.
11717         (*cstoresi_neg_uxtw): Likewise.
11718
11719 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11720
11721         PR target/69161
11722         * config/arm/predicates.md (arm_comparison_operator_mode):
11723         New predicate.
11724         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
11725         instead of arm_comparison_operator.
11726         (*mov_negscc): Likewise.
11727         (*mov_notscc): Likewise.
11728         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
11729         (*thumb2_mov_negscc): Likewise.
11730         (*thumb2_mov_negscc_strict_it): Likewise.
11731         (*thumb2_mov_notscc): Likewise.
11732         (*thumb2_mov_notscc_strict_it): Likewise.
11733
11734 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
11735
11736         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
11737         Add missing return.
11738
11739 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
11740
11741         * config/visium/visium.c (machine_libfunc_index): New enum.
11742         (machine_libfuncs): New structure.
11743         (visium_libfuncs): New static variable.
11744         (TARGET_INIT_LIBFUNCS): Define to...
11745         (visium_init_libfuncs): ...this.  New function.
11746         (expand_block_move_4): Use the appropriate libfunc.
11747         (expand_block_move_2): Likewise.
11748         (expand_block_move_1): Likewise.
11749         (expand_block_set_4): Likewise.
11750         (expand_block_set_2): Likewise.
11751         (expand_block_set_1): Likewise.
11752         (visium_trampoline_init): Likewise.
11753
11754 2016-02-17  Nick Clifton  <nickc@redhat.com>
11755
11756         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
11757         TI's devices.csv file as of March 2016.
11758
11759 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
11760
11761         PR Target/48344
11762         * opts-global.c (handle_common_deferred_options): Introduce and
11763         initialize two global variables to remember command-line options
11764         specifying a stack-limiting register.
11765         * opts.h: Add extern declarations of the two new global variables.
11766         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
11767         variable based on the values of the two new global variables.
11768
11769 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11770
11771         PR c/69835
11772         * common.opt (Wnonnull-compare): New warning.
11773         * doc/invoke.texi (-Wnonnull): Remove text about comparison
11774         of arguments against NULL.
11775         (-Wnonnull-compare): Document.
11776         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
11777         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
11778         * passes.def (pass_warn_nonnull_compare): Add.
11779         * gimple-ssa-nonnull-compare.c: New file.
11780
11781 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11782
11783         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
11784         AARCH64_EXTRA_TUNE_RECIP_SQRT.
11785
11786 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11787
11788         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
11789         reciprocal sqrt for -mlow-precision-recip-sqrt.
11790
11791 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11792             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11793
11794         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
11795         always use lane loads to construct non-constant vectors.
11796
11797 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
11798
11799         * config/aarch64/aarch64.md
11800         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
11801         constraints for operand 3.
11802         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
11803
11804 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11805             Richard Biener  <rguenther@suse.de>
11806
11807         PR tree-optimization/69820
11808         * tree-vect-patterns.c (type_conversion_p): Return false if
11809         *orig_type is unsigned single precision or boolean.
11810         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
11811         Formatting fix.
11812
11813 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11814
11815         PR rtl-optimization/69764
11816         PR rtl-optimization/69771
11817         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
11818         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
11819
11820 2016-02-16  Richard Biener  <rguenther@suse.de>
11821
11822         PR tree-optimization/69776
11823         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
11824         sets from caller.
11825         (indirect_refs_may_alias_p): Likewise.
11826         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
11827         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
11828         according to tbaa_p.
11829         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
11830         (optimize_stmt): For redundant store discovery do not allow tbaa.
11831
11832 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
11833
11834         PR tree-optimization/69714
11835         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
11836         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
11837
11838 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
11839
11840         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
11841         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
11842         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
11843         * config/arc/arc.c (arc_init): Check FPU options.
11844         (get_arc_condition_code): Handle new CC_FPU* modes.
11845         (arc_select_cc_mode): Likewise.
11846         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
11847         register pair only. Allow access for ARCv2 accumulator.
11848         (gen_compare_reg): Whenever we have FPU support use FPU compare
11849         instructions.
11850         (arc_reorg): Don't generate brcc insns when FPU compare
11851         instructions are involved.
11852         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
11853         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
11854         floating point emulation.
11855         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
11856         (REVERSE_CONDITION): Add new CC_FPU* modes.
11857         (TARGET_FP_SP_BASE): Define.
11858         (TARGET_FP_DP_BASE): Likewise.
11859         (TARGET_FP_SP_FUSED): Likewise.
11860         (TARGET_FP_DP_FUSED): Likewise.
11861         (TARGET_FP_SP_CONV): Likewise.
11862         (TARGET_FP_DP_CONV): Likewise.
11863         (TARGET_FP_SP_SQRT): Likewise.
11864         (TARGET_FP_DP_SQRT): Likewise.
11865         (TARGET_FP_DP_AX): Likewise.
11866         * config/arc/arc.md (ARCV2_ACC): New constant.
11867         (type): New fpu type attribute.
11868         (SDF): Conditional iterator.
11869         (cstore<mode>, cbranch<mode>): Change expand condition.
11870         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
11871         handles FPU/FPX cases as well.
11872         * config/arc/arc.opt (mfpu): New option.
11873         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
11874         Renamed.
11875         (adddf3, muldf3, subdf3): Removed.
11876         * config/arc/predicates.md (proper_comparison_operator): Recognize
11877         CC_FPU* modes.
11878         * config/arc/fpu.md: New file.
11879         * doc/invoke.texi (ARC Options): Document mfpu option.
11880
11881 2016-02-16  Richard Biener  <rguenther@suse.de>
11882
11883         PR rtl-optimization/69291
11884         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
11885         noce_operand_ok check.
11886
11887 2016-02-16  Tom de Vries  <tom@codesourcery.com>
11888
11889         PR lto/67709
11890         * omp-low.c (simd_clone_create): Remove call to
11891         symtab->call_cgraph_insertion_hooks.
11892
11893 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
11894
11895         PR tree-optimization/69802
11896         * tree-ssa-reassoc.c (update_range_test): If op is
11897         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
11898         op == 1 test of precision 1 integral op, otherwise handle
11899         that case as op itself.  Fix up formatting.
11900         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
11901         up formatting.
11902
11903 2016-02-16  Richard Biener  <rguenther@suse.de>
11904
11905         PR tree-optimization/69586
11906         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
11907         types for conversion sources.
11908
11909 2016-02-16  Richard Biener  <rguenther@suse.de>
11910
11911         PR middle-end/69801
11912         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
11913         mask OEP_ADDRESS_OF.
11914
11915 2016-02-16  Alan Modra  <amodra@gmail.com>
11916
11917         PR target/68973
11918         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
11919         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
11920         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
11921         (p8_mtvsrwz): New.
11922         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
11923         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
11924         (p8_fmrgow_<mode>): Likewise.
11925         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
11926         changes.
11927         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
11928         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
11929         to use movdi_internal64.  Remove op0_di.
11930         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
11931
11932 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
11933
11934         Add support for the FCCMP insn types
11935
11936         * config/aarch64/aarch64.md (fccmp): Change insn type.
11937         (fccmpe): Likewise.
11938         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
11939         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
11940         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
11941         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
11942         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
11943         * config/arm/types.md (fccmps): Add new insn type.
11944         (fccmpd): Likewise.
11945
11946 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11947
11948         * alias.c (get_alias_set): Fix a typo in comment.
11949
11950 2016-02-15  Richard Biener  <rguenther@suse.de>
11951
11952         PR tree-optimization/69595
11953         * match.pd: Complete range test simplification to true.
11954
11955 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
11956
11957         PR rtl-optimization/69648
11958         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
11959         pic_offset_table_rtx.
11960
11961         PR rtl-optimization/69752
11962         * ira.c (update_equiv_regs): When looking for more than a single SET,
11963         also take other side effects into account.
11964
11965 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
11966
11967         * config/s390/s390.c (s390_function_profiler): Add a new sequence
11968         for z900+ CPUs in 31-bit mode.
11969
11970 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
11971
11972         * common/config/s390/s390-common.c (s390_supports_split_stack):
11973         New function.
11974         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
11975         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
11976         * config/s390/s390.c (struct machine_function): New field
11977         split_stack_varargs_pointer.
11978         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
11979         in s390_emit_prologue.
11980         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
11981         vararg pointer.
11982         (morestack_ref): New global.
11983         (SPLIT_STACK_AVAILABLE): New macro.
11984         (s390_expand_split_stack_prologue): New function.
11985         (s390_live_on_entry): New function.
11986         (s390_va_start): Use split-stack vararg pointer if appropriate.
11987         (s390_asm_file_end): Emit the split-stack note sections.
11988         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
11989         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
11990         (UNSPECV_SPLIT_STACK_CALL): New unspec.
11991         (UNSPECV_SPLIT_STACK_DATA): New unspec.
11992         (split_stack_prologue): New expand.
11993         (split_stack_space_check): New expand.
11994         (split_stack_data): New insn.
11995         (split_stack_call): New expand.
11996         (split_stack_call_*): New insn.
11997         (split_stack_cond_call): New expand.
11998         (split_stack_cond_call_*): New insn.
11999
12000 2016-02-15  Richard Biener  <rguenther@suse.de>
12001
12002         PR tree-optimization/69783
12003         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12004         Add trivially correct cases.
12005
12006 2016-02-15  Tom de Vries  <tom@codesourcery.com>
12007
12008         PR lto/69655
12009         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
12010         do_force_output.
12011         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
12012
12013 2016-02-15  Richard Biener  <rguenther@suse.de>
12014
12015         PR tree-optimization/69776
12016         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
12017         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
12018         indicate whether we can use TBAA to disambiguate against stores.
12019         Use alias-set zero if not.
12020         (visit_reference_op_store): Do not use TBAA when looking up
12021         redundant stores.
12022         * tree-ssa-pre.c (compute_avail): Use TBAA here.
12023         (eliminate_dom_walker::before_dom_children): But not when looking
12024         up redundant stores.
12025
12026 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
12027
12028         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
12029
12030 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
12031
12032         *  config/i386/znver1.md
12033         (znver1_pop, znver1_pop_mem,
12034         znver1_load_imov_double_store,
12035         znver1_load_imov_direct_store,
12036         znver1_load_imov_direct_load,
12037         znver1_load_imov_double_load): Add new.
12038         (znver1_insn, znver1_insn_load): Add icmov type.
12039         (znver1_sseavx_fma,
12040         znver1_sseavx_fma_load,
12041         znver1_avx256_fma,
12042         znver1_avx256_fma_load): Fix pipe usage.
12043
12044 2016-02-14  Alan Modra  <amodra@gmail.com>
12045
12046         PR target/68973
12047         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
12048         with an invalid hard reg, reload just the reg not the entire
12049         pre/post-inc/dec address expression.
12050
12051 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12052
12053         PR target/67260
12054         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
12055         fixed R1_REG scratch reg.
12056         (sibcall_value_pcrel_fdpic): Likewise.
12057
12058 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
12059
12060         PR target/67636
12061         PR target/64345
12062         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
12063
12064 2016-02-12  Walter Lee  <walt@tilera.com>
12065
12066         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
12067         * config/tilegx/t-tilegx: Likewise.
12068
12069 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12070
12071         PR other/69554
12072         * diagnostic-show-locus.c (struct line_span): New struct.
12073         (layout::get_first_line): Delete.
12074         (layout::get_last_line): Delete.
12075         (layout::get_num_line_spans): New member function.
12076         (layout::get_line_span): Likewise.
12077         (layout::print_heading_for_line_span_index_p): Likewise.
12078         (layout::get_expanded_location): Likewise.
12079         (layout::calculate_line_spans): Likewise.
12080         (layout::m_first_line): Delete.
12081         (layout::m_last_line): Delete.
12082         (layout::m_line_spans): New field.
12083         (layout::layout): Update comment.  Replace m_first_line and
12084         m_last_line with m_line_spans, replacing their initialization
12085         with a call to calculate_line_spans.
12086         (diagnostic_show_locus): When printing source lines and
12087         annotations, rather than looping over a single span
12088         of lines, instead loop over each line_span within
12089         the layout, with an inner loop over the lines within them.
12090         Call the context's start_span callback when changing line spans.
12091         * diagnostic.c (diagnostic_initialize): Initialize start_span.
12092         (diagnostic_build_prefix): Break out the building of the location
12093         part of the string into...
12094         (diagnostic_get_location_text): ...this new function, rewriting
12095         it from nested ternary expressions to a sequence of "if"
12096         statements.
12097         (default_diagnostic_start_span_fn): New function.
12098         * diagnostic.h (diagnostic_start_span_fn): New typedef.
12099         (diagnostic_context::start_span): New field.
12100         (default_diagnostic_start_span_fn): New prototype.
12101
12102 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12103
12104         PR driver/69779
12105         * gcc.c (driver::finalize): Fix cleanup of "specs".
12106
12107 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
12108
12109         PR driver/69265
12110         PR driver/69453
12111         * gcc.c (driver::driver): Initialize m_option_suggestions.
12112         (driver::~driver): Clean up m_option_suggestions.
12113         (suggest_option): Convert to...
12114         (driver::suggest_option): ...this, and split out into
12115         driver::build_option_suggestions and find_closest_string.
12116         (driver::build_option_suggestions): New function, from
12117         first half of suggest_option.  Special-case
12118         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
12119         the sanitizer_opts array.  For options of enum types, add the
12120         various enum values to the candidate strings.
12121         (driver::handle_unrecognized_options): Remove "const".
12122         * gcc.h (driver::handle_unrecognized_options): Likewise.
12123         (driver::build_option_suggestions): New decl.
12124         (driver::suggest_option): New decl.
12125         (driver::m_option_suggestions): New field.
12126         * opts-common.c (add_misspelling_candidates): New function.
12127         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
12128         and make non-static.
12129         * opts.h (sanitizer_opts): New array decl.
12130         (add_misspelling_candidates): New function decl.
12131         * spellcheck.c (find_closest_string): New function.
12132         * spellcheck.h (find_closest_string): New function decl.
12133
12134 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12135
12136         PR rtl-optimization/69764
12137         PR rtl-optimization/69771
12138         * optabs.c (expand_binop_directly): For shift_optab_p, force
12139         convert_modes with VOIDmode if xop1 has VOIDmode.
12140
12141 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
12142
12143         PR target/69729
12144         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
12145         to correctly determine instrumentation thunks.
12146
12147 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12148
12149         PR ipa/69241
12150         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
12151         type by reference, force lhs on the call.
12152
12153         PR ipa/68672
12154         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
12155         Compute retval and retbnd early in all cases if split_part_return_p
12156         and return_bb is not EXIT.  Remove all clobber stmts and reset
12157         all debug stmts that refer to SSA_NAMEs defined in split part,
12158         except if it is retval, in that case replace the old retval with the
12159         lhs of the call to the split part.
12160
12161 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12162
12163         revert:
12164         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12165
12166         PR middle-end/66726
12167         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12168         whose result is used in PHI.
12169         (maybe_optimize_range_tests): Likewise.
12170         (final_range_test_p): Likweise.
12171
12172 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
12173
12174         PR middle-end/66726
12175         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
12176         whose result is used in PHI.
12177         (maybe_optimize_range_tests): Likewise.
12178         (final_range_test_p): Likweise.
12179
12180 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
12181
12182         * cgraph.c: Spelling fixes - behaviour -> behavior and
12183         neighbour -> neighbor.
12184         * target.def: Likewise.
12185         * sel-sched.c: Likewise.
12186         * config/mips/mips.c: Likewise.
12187         * config/arc/arc.md: Likewise.
12188         * config/arm/cortex-a57.md: Likewise.
12189         * config/arm/arm.c: Likewise.
12190         * config/arm/neon.md: Likewise.
12191         * config/arm/arm-c.c: Likewise.
12192         * config/vms/vms-c.c: Likewise.
12193         * config/s390/s390.c: Likewise.
12194         * config/i386/znver1.md: Likewise.
12195         * config/i386/i386.c: Likewise.
12196         * config/ia64/hpux-unix2003.h: Likewise.
12197         * config/msp430/msp430.md: Likewise.
12198         * config/rx/rx.c: Likewise.
12199         * config/rx/rx.md: Likewise.
12200         * config/aarch64/aarch64-simd.md: Likewise.
12201         * config/aarch64/aarch64.c: Likewise.
12202         * config/nvptx/nvptx.c: Likewise.
12203         * config/bfin/bfin.c: Likewise.
12204         * config/cris/cris.opt: Likewise.
12205         * config/rs6000/rs6000.c: Likewise.
12206         * target.h: Likewise.
12207         * spellcheck.c: Likewise.
12208         * ira-build.c: Likewise.
12209         * tree-inline.c: Likewise.
12210         * builtins.c: Likewise.
12211         * lra-constraints.c: Likewise.
12212         * explow.c: Likewise.
12213         * hwint.h: Likewise.
12214         * targhooks.c: Likewise.
12215         * tree-vect-data-refs.c: Likewise.
12216         * expr.c: Likewise.
12217         * doc/tm.texi: Likewise.
12218         * doc/extend.texi: Likewise.
12219         * doc/install.texi: Likewise.
12220         * doc/md.texi: Likewise.
12221         * tree-ssa-tail-merge.c: Likewise.
12222         * sched-int.h: Likewise.
12223         * match.pd: Likewise.
12224         * sched-ebb.c: Likewise.
12225         * target.def (omit_struct_return_reg): Likewise.
12226         * gimple-ssa-isolate-paths.c: Likewise.
12227         (find_implicit_erroneous_behaviour): Renamed to...
12228         (find_implicit_erroneous_behavior): ... this.
12229         (find_explicit_erroneous_behaviour): Renamed to...
12230         (find_explicit_erroneous_behavior): ... this.
12231         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
12232
12233 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
12234
12235         PR rtl-optimization/64682
12236         PR rtl-optimization/69567
12237         PR rtl-optimization/69737
12238         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
12239         in I2 as well, just lose it.
12240
12241 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12242
12243         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
12244         New variable.
12245         (aarch64_last_printed_tune_string): Likewise.
12246         (aarch64_declare_function_name): Only output .arch assembler
12247         directive if it will be different from the previously output
12248         directive.  Same for .tune comment but only if -dA is set.
12249         (aarch64_start_file): New function.
12250         (TARGET_ASM_FILE_START): Define.
12251
12252 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
12253
12254         PR plugins/69758
12255         * Makefile.in (PLUGIN_HEADERS): Add params.list.
12256
12257 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
12258
12259         PR target/65313
12260         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
12261         -Wmaybe-uninitialized warning.
12262
12263 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
12264
12265         PR target/69713
12266         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
12267
12268 2016-02-11  Richard Biener  <rguenther@suse.de>
12269
12270         PR rtl-optimization/69291
12271         * ifcvt.c (noce_try_store_flag_constants): Do not allow
12272         subexpressions affected by changing the result.
12273
12274 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
12275
12276         PR target/69148
12277         * lra-constraints.c (curr_insn_transform): Find in/out operands
12278         for secondary memory moves.  Update dups.
12279
12280 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
12281
12282         PR tree-optimization/69652
12283         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
12284         to nested loop, did source re-formatting, skip debug statements,
12285         add check on statement with volatile operand, remove dead scalar
12286         statements.
12287
12288 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
12289             Patrick Palka  <ppalka@gcc.gnu.org>
12290
12291         PR ipa/69241
12292         PR c++/69649
12293         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
12294         calls if the return type is TREE_ADDRESSABLE.
12295         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
12296         * ipa-split.c (split_function): Fix doubled "we" in comment.
12297         Use void return type for the split part even if
12298         !split_point->split_part_set_retval.
12299
12300 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
12301
12302         PR tree-optimization/68021
12303         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
12304         when computing the value of biv cand by itself.
12305
12306 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12307
12308         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
12309         (cortexa57_tunings): Likewise.
12310         (cortexa72_tunings): Likewise.
12311         (arch_macro_fusion_pair_p): Add support for AES fusion.
12312         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
12313         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
12314         Allow virtual registers before reload so early scheduling works.
12315         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
12316         correct latency and pipeline.
12317         (cortex_a57_crypto_complex): Likewise.
12318         (cortex_a57_crypto_xor): Likewise.
12319         (define_bypass): Add AES bypass.
12320
12321 2016-02-10  Richard Biener  <rguenther@suse.de>
12322
12323         PR tree-optimization/69726
12324         * passes.def: Add DCE pass before late uninit.
12325         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
12326         really fixup if-conversions job.
12327
12328 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
12329
12330         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
12331         (arm_cortex_a57_tune): Likewise.
12332         (aarch_macro_fusion_pair_p): Add support for AES fusion.
12333         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
12334
12335 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
12336
12337         * timevar.def (TV_PHASE_DBGINFO): Delete.
12338         (TV_PHASE_CHECK_DBGINFO): Likewise.
12339         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
12340
12341 2016-02-10  Richard Biener  <rguenther@suse.de>
12342
12343         PR tree-optimization/69719
12344         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12345         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
12346
12347 2016-02-09  Andrew Pinski  <apinski@cavium.com>
12348
12349         PR tree-opt/69282
12350         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
12351         get_vcond_mask_icode returns false.
12352
12353 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
12354
12355         PR target/68404
12356         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
12357         an ADDIS that adds a pointer to a large constant that sets the
12358         upper16 bits with a load operation.
12359
12360 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12361
12362         PR target/68532
12363         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
12364         order.
12365         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
12366         endian.
12367         (vzipq_s16): Likewise.
12368         (vzipq_s32): Likewise.
12369         (vzipq_f32): Likewise.
12370         (vzipq_u8): Likewise.
12371         (vzipq_u16): Likewise.
12372         (vzipq_u32): Likewise.
12373         (vzipq_p8): Likewise.
12374         (vzipq_p16): Likewise.
12375
12376 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
12377
12378         PR target/68532
12379         * config/arm/arm.c (neon_endian_lane_map): New function.
12380         (neon_vector_pair_endian_lane_map): New function.
12381         (arm_evpc_neon_vuzp): Allow for big endian lane order.
12382         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
12383         endian.
12384         (vuzpq_s16): Likewise.
12385         (vuzpq_s32): Likewise.
12386         (vuzpq_f32): Likewise.
12387         (vuzpq_u8): Likewise.
12388         (vuzpq_u16): Likewise.
12389         (vuzpq_u32): Likewise.
12390         (vuzpq_p8): Likewise.
12391         (vuzpq_p16): Likewise.
12392
12393 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
12394
12395         PR target/69634
12396         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
12397         debug insns.
12398
12399 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
12400
12401         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
12402         truncate const_int operand 1 to QImode.
12403
12404 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
12405
12406         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
12407         corresponding to an abnormal edge.
12408
12409 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12410
12411         PR tree-optimization/69599
12412         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
12413         function.
12414         (find_func_aliases_for_builtin_call, find_func_clobbers)
12415         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
12416         partition.
12417
12418 2016-02-09  Richard Biener  <rguenther@suse.de>
12419
12420         PR tree-optimization/69715
12421         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
12422         LHS on calls as non-rewritable.
12423
12424 2016-02-09  Tom de Vries  <tom@codesourcery.com>
12425
12426         PR lto/69707
12427         * lto-wrapper.c (append_diag_options): New function.
12428         (compile_offload_image): Call append_diag_options.
12429
12430 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
12431
12432         PR other/69722
12433         * doc/extend.texi (Flag Output Operands): Correct sectioning.
12434         Minor copy-edit to fix verb tenses.
12435
12436 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
12437
12438         PR tree-optimization/69209
12439         * ipa-split.c (split_function): If split part is not
12440         returning retval, retval has gimple type but is not
12441         gimple value, force it into a SSA_NAME first.
12442
12443 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
12444
12445         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
12446         outdated section.
12447
12448 2016-02-08  Jason Merrill  <jason@redhat.com>
12449
12450         PR c++/69631
12451         * convert.c (convert_to_integer_1): Check dofold on truncation
12452         distribution.
12453         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
12454         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
12455         Rename from *_nofold.
12456         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
12457         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
12458
12459 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
12460
12461         PR target/60410
12462         * tree.c (build_common_tree_nodes): Remove short_double argument.
12463         All callers changed.
12464         * tree.h (build_common_tree_nodes): Adjust declaration.
12465         * doc/invoke.texi (-fshort-double): Remove documentation.
12466         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12467         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
12468         * lto-wrapper.c (merge_and_complain, append_compiler_options)
12469         (append_linker_options): Don't handle OPT_fshort_double.
12470
12471         PR rtl-optimization/68730
12472         * lra-remat.c (insn_to_cand_activation): New static variable.
12473         (lra_remat): Allocate and free it.
12474         (create_cand): New arg activation. Initialize a field in
12475         insn_to_cand_activation if it is nonnull.
12476         (create_cands): Pass the activation insn to create_cand when making
12477         a candidate involving an output reload.  Reorganize code a little.
12478         (do_remat): Keep track of active status of candidates in a separate
12479         bitmap.
12480
12481 2016-02-08  Richard Biener  <rguenther@suse.de>
12482
12483         PR tree-optimization/69719
12484         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
12485         Properly use absolute of the difference of the two offsets to
12486         compare or adjust the segment length.
12487
12488 2016-02-08  Richard Biener  <rguenther@suse.de>
12489             Jeff Law  <law@redhat.com>
12490
12491         PR target/68273
12492         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
12493         types for anonymous SSA names.
12494
12495 2016-02-08   Richard Biener  <rguenther@suse.de>
12496
12497         PR rtl-optimization/69274
12498         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
12499
12500 2016-02-08  Jeff Law  <law@redhat.com>
12501
12502         PR tree-optimization/65917
12503         * tree-ssa-dom.c (record_temporary_equivalences): Record both
12504         equivalences from if (x == y) style conditionals.
12505         (loop_depth_of_name): Remove.
12506         (record_equality): Remove loop depth check.
12507         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
12508         (const_and_copies::record_const_or_copy_raw): New member function.
12509         * tree-ssa-scopedtables.c
12510         (const_and_copies::record_const_or_copy_raw): New, factored out of
12511         (const_and_copies::record_const_or_copy): Call new member function.
12512
12513 2016-02-05  Jeff Law  <law@redhat.com>
12514
12515         PR tree-optimization/68541
12516         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
12517         (count_stmts_in_block): New function.
12518         (poor_ifcvt_candidate_code): Likewise.
12519         (is_feasible_trace): Add some heuristics to determine when path
12520         splitting is profitable.
12521         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
12522         is a diamond with a single exit.
12523
12524 2016-02-05  Martin Sebor  <msebor@redhat.com>
12525
12526         PR c++/69662
12527         * doc/invoke.texi: Update -Wplacement-new to take an optional
12528         argument.
12529
12530 2016-02-06  Richard Henderson  <rth@redhat.com>
12531
12532         PR c/69643
12533         * tree.c (tree_nop_conversion_p): Do not strip casts into or
12534         out of non-standard address spaces.
12535
12536 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12537
12538         PR rtl-optimization/69691
12539         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
12540
12541 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
12542
12543         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
12544         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
12545         (*ieee128_mfvsrd_64bit): Likewise.
12546         (*ieee128_mfvsrd_32bit): Likewise.
12547
12548 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
12549
12550         PR target/69369
12551         Revert r232560:
12552         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
12553
12554         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
12555         instrumented_version.
12556
12557 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
12558
12559         * doc/invoke.texi (Optimize Options): In table of --param options
12560         rename second occurrence of tracer-min-branch-ratio to
12561         tracer-min-branch-probability, rename
12562         tracer-min-branch-ratio-feedback to
12563         tracer-min-branch-probability-feedback and clarify description,
12564         rename sched-spec-state-edge-prob-cutoff to
12565         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
12566         to selsched-insns-to-rename, rename lto-minpartition to
12567         lto-min-partition, delete reorder-blocks-duplicate and
12568         reorder-blocks-duplicate-feedback.
12569
12570 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12571
12572         * config/s390/s390.c (s390_register_info_set_ranges): Remove
12573         superfluous loops.
12574
12575 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
12576
12577         * doc/extend.texi: S/390: Correct some typos.
12578
12579 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12580
12581         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
12582
12583 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
12584
12585         PR target/69625
12586         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
12587         (s390_register_info_gprtofpr): Use new macros above.
12588         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
12589         its name.
12590         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
12591         its name.  Adjust restore and save gpr ranges.
12592         (s390_register_info_set_ranges): New function.
12593         (s390_register_info): Use new macros above.  Call
12594         s390_register_info_set_ranges.
12595         (s390_optimize_register_info): Likewise.
12596         (s390_hard_regno_rename_ok): Use new macros.
12597         (s390_hard_regno_scratch_ok): Likewise.
12598         (s390_emit_epilogue): Likewise.
12599         (s390_can_use_return_insn): Likewise.
12600         (s390_optimize_prologue): Likewise.
12601         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
12602
12603 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
12604
12605         PR bootstrap/69677
12606         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
12607         alignment fixes.
12608         (ix86_option_override_internal): Disable TARGET_STV even for
12609         -m{incoming,preferred}-stack-boundary=3.
12610
12611 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
12612
12613         * config.gcc: Mark deprecated rtems targets as obsolete.
12614
12615 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
12616
12617         PR rtl-optimization/64682
12618         PR rtl-optimization/69567
12619         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
12620         before I2 only if the register is both used and set in I2.
12621
12622 2016-02-04  DJ Delorie  <dj@redhat.com>
12623
12624         * config/msp430/msp430.c (msp430_start_function): Add function type.
12625
12626 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12627
12628         PR fortran/69368
12629         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
12630
12631 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
12632
12633         PR rtl-optimization/69577
12634         Revert:
12635         2015-10-29  Richard Henderson  <rth@redhat.com>
12636
12637         PR target/68124
12638         PR rtl-opt/67609
12639         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
12640         sse check to the exact conditions of PR 67609.
12641
12642 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
12643
12644         PR target/69667
12645         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
12646         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
12647         not allowed into the traditional Altivec registers.
12648         (movtd_64bit_nodm): Likewise.
12649         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
12650
12651 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
12652
12653         * config/aarch64/cortex-a57-fma-steering.c
12654         (aarch64_register_fma_steering): Remove "static" from arguments
12655         to register_pass.
12656
12657 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
12658
12659         PR target/69619
12660         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
12661         twice when complex.
12662
12663 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
12664
12665         * doc/invoke.texi: Delete -mno-fma4.
12666
12667 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
12668
12669         PR rtl-optimization/69577
12670         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
12671         (find_subregs_of_mode): Update accordingly.  Iterate over partial
12672         definitions.
12673
12674 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
12675
12676         * config/arm/arm-protos.h (neon_reinterpret): Remove.
12677         * config/arm/arm.c (neon_reinterpret): Remove.
12678         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
12679         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
12680         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
12681         vreinterpretti): Remove.
12682         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
12683         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
12684         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
12685         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
12686         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
12687         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
12688         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
12689         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
12690         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
12691         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
12692         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
12693         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
12694         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
12695         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
12696         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
12697         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
12698         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
12699         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
12700         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
12701         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
12702         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
12703         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
12704         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
12705         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
12706         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
12707         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
12708         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
12709         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
12710         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
12711         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
12712         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
12713         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
12714         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
12715         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
12716         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
12717         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
12718         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
12719         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
12720         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
12721         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
12722         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
12723         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
12724         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
12725         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
12726         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
12727         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
12728         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
12729         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
12730         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
12731         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
12732         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
12733         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
12734         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
12735         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
12736         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
12737         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
12738         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
12739         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
12740         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
12741         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
12742         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
12743         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
12744         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
12745         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
12746         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
12747         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
12748         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
12749         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
12750         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
12751         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
12752         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
12753         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
12754         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
12755         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
12756         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
12757         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
12758         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
12759         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
12760         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
12761         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
12762         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
12763         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
12764         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
12765         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
12766         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
12767         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
12768         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
12769         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
12770         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
12771         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
12772         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
12773         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
12774         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
12775         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
12776         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
12777         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
12778         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
12779         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
12780         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
12781         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
12782         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
12783         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
12784         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
12785
12786 2016-02-04  Martin Liska  <mliska@suse.cz>
12787
12788         PR sanitizer/69276
12789         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
12790         that are gimple_store_p.
12791         (maybe_instrument_call): Likewise.
12792
12793 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
12794
12795         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
12796         register scaling out of memory reference and comment why.
12797
12798 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12799
12800         PR target/65932
12801         PR target/67714
12802         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
12803         folding the source of a SET.
12804
12805 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
12806
12807         PR target/65932
12808         PR target/67714
12809         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
12810         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
12811
12812 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
12813
12814         PR target/65932
12815         PR target/67714
12816         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
12817         HImode.
12818
12819 2016-02-04  Christian Bruel  <christian.bruel@st.com>
12820
12821         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
12822         * config/arm/arm.c (arm_set_current_function): Likewise.
12823
12824 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
12825             Ilya Enkovich  <enkovich.gnu@gmail.com>
12826             H.J. Lu  <hongjiu.lu@intel.com>
12827
12828         PR target/69454
12829         * config/i386/i386.c (convert_scalars_to_vector): Remove
12830         stack alignment fixes.
12831         (ix86_option_override_internal): Disable TARGET_STV if stack
12832         might not be aligned enough.
12833         (ix86_minimum_alignment): Assert that TARGET_STV is false.
12834
12835 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
12836
12837         * config/i386/x86-tune.def: Disable default prefetching
12838         for -march=znver1.
12839
12840 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
12841             Vladimir Makarov  <vmakarov@redhat.com>
12842
12843         PR target/69461
12844         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
12845         in validating fused toc addresses.
12846
12847 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
12848
12849         PR c/69627
12850         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
12851         range->m_caret fields if range->m_show_caret_p is false.
12852
12853         PR target/69644
12854         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
12855         Force oldval into register if it does not satisfy reg_or_short_operand
12856         predicate.  Fix up formatting.
12857
12858 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
12859             Alexandre Oliva  <aoliva@redhat.com>
12860
12861         PR target/69461
12862         * lra-constraints.c (simplify_operand_subreg): Check additionally
12863         address validity after potential reloading.
12864         (process_address_1): Check insns validity.  In case of failure do
12865         nothing.
12866
12867 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
12868
12869         PR target/69118
12870         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
12871         Fix target.
12872
12873 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
12874
12875         * wide-int.cc (canonize_uhwi): New function.
12876         (wi::divmod_internal): Use it.
12877
12878 2016-02-02  James Norris  <jnorris@codesourcery.com
12879
12880         * gimplify.c (omp_notice_variable): Add usage check.
12881
12882 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
12883
12884         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
12885         like LE, GE, LT, GT when emitting relational operator.
12886
12887 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12888
12889         * ira-costs.c (find_costs_and_classes): Add extra argument.
12890         * target.def (ira_change_pseudo_allocno_class): Add parameter.
12891         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
12892         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
12893         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
12894         Add best_class parameter, and return it if not ALL_REGS.
12895         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
12896         Add parameter.
12897         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
12898         Update target hook.
12899
12900 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
12901
12902         * config/aarch64/aarch64.c
12903         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
12904         (aarch64_ira_change_pseudo_allocno_class): New function.
12905
12906 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
12907
12908         PR target/67032
12909         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
12910
12911 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
12912
12913         * config/avr/avr.c (avr_option_override): Set
12914         PARAM_ALLOW_STORE_DATA_RACES to 1.
12915
12916 2016-02-02  Richard Biener  <rguenther@suse.de>
12917
12918         PR tree-optimization/69595
12919         * match.pd: Add range test simplifications to true/false.
12920
12921 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
12922
12923         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
12924         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
12925         instead.
12926
12927 2016-02-02  Richard Biener  <rguenther@suse.de>
12928
12929         PR tree-optimization/69606
12930         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
12931         info on the result before moving a stmt.
12932
12933 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
12934
12935         PR middle-end/68542
12936         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
12937         branch with vector comparison.
12938         * config/i386/sse.md (VI48_AVX): New mode iterator.
12939         (define_expand "cbranch<mode>4): Add support for conditional branch
12940         with vector comparison.
12941         * tree-vect-loop.c (optimize_mask_stores): New function.
12942         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
12943         has_mask_store field of vect_info.
12944         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
12945         vectorized loops having masked stores after vec_info destroy.
12946         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
12947         correspondent macros.
12948         (optimize_mask_stores): Add prototype.
12949
12950 2016-02-02  Alan Modra  <amodra@gmail.com>
12951
12952         PR target/69548
12953         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
12954         allow subregs.
12955
12956 2016-02-02  Alan Modra  <amodra@gmail.com>
12957
12958         PR target/68662
12959         * config/rs6000/rs6000.c (need_toc_init): New var, set it
12960         whenever toc_label_name used.
12961         (rs6000_file_start): Don't set up toc section here,
12962         (rs6000_output_function_epilogue): do so here instead,
12963         (rs6000_xcoff_file_start): and here.
12964         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
12965         (load_toc_aix_di): Likewise.
12966
12967 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12968
12969         PR rtl-optimization/69592
12970         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
12971         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
12972         (num_sign_bit_copies_binary_arith_p): New inline function.
12973         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
12974
12975 2016-02-01  Jeff Law  <law@redhat.com>
12976
12977         PR tree-optimization/69580
12978         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
12979         * tree-ssa-threadbackward.c
12980         (fsm_find_control_statement_thread_paths): Do not try to walk
12981         through large PHI nodes.
12982
12983 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
12984
12985         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
12986         when count is incremented above limit, don't analyze further
12987         insns afterwards.
12988
12989         * omp-low.c (oacc_parse_default_dims): Avoid
12990         -Wsign-compare warning, make sure value fits into int
12991         rather than just unsigned int.
12992
12993 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
12994
12995         PR tree-optimization/67921
12996         * fold-const.c (split_tree): New parameters.  Convert pointer
12997         type variable part to proper type before negating.
12998         (fold_binary_loc): Pass new arguments to split_tree.
12999
13000 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
13001
13002         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
13003         (nvptx_goacc_validate_dims): Extend to handle global defaults.
13004         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
13005         * doc/tm.texti: Rebuilt.
13006         * doc/invoke.texi (fopenacc-dim): Document.
13007         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
13008         (append_compiler_options): Likewise.
13009         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
13010         (oacc_parse_default_dims): New.
13011         (oacc_validate_dims): Add USED arg.  Select non-unity default when
13012         possible.
13013         (oacc_loop_fixed_partitions): Return mask of used partitions.
13014         (oacc_loop_auto_partitions): Emit dump info.
13015         (oacc_loop_partition): Return mask of used partitions.
13016         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
13017         loop partitioning and validation calls.
13018
13019 2016-02-01  Richard Biener  <rguenther@suse.de>
13020
13021         PR middle-end/69556
13022         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
13023
13024 2016-02-01  Richard Biener  <rguenther@suse.de>
13025
13026         PR tree-optimization/69574
13027         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
13028         of asserting return chrec_dont_know.
13029
13030 2016-02-01  Martin Liska  <mliska@suse.cz>
13031
13032         * mem-stats-traits.h: Add copyright header.
13033         * mem-stats.h: Likewise.
13034
13035 2016-02-01  Richard Biener  <rguenther@suse.de>
13036
13037         PR tree-optimization/69579
13038         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
13039         Do not propagate through abnormal PHI results.
13040
13041 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
13042
13043         * postreload.c (reload_cse_simplify): Remove dead code.
13044
13045 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
13046
13047         PR rtl-optimization/69570
13048         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
13049         if there is more than one set, not if there is a single set.
13050
13051 2016-02-01  Richard Henderson  <rth@redhat.com>
13052
13053         PR rtl-opt/69535
13054         * combine.c (make_compound_operation): When looking through a
13055         subreg, make sure to re-extend to the width of the outer mode.
13056
13057 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
13058
13059         PR tree-optimization/69546
13060         * wide-int.cc (wi::divmod_internal): For unsigned division
13061         where both operands fit into uhwi, if o1 is 1 and o0 has
13062         msb set, if divident_prec is larger than bits per hwi,
13063         clear another quotient word and return 2 instead of 1.
13064         Similarly for remainder with msb in HWI set, if dividend_prec
13065         is larger than bits per hwi.
13066
13067 2016-01-29  Martin Jambor  <mjambor@suse.cz>
13068
13069         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
13070         Use short lowercase names.
13071         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
13072         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
13073         acq_rel one.  Protect warning agains segfaults if
13074         get_memory_order_name returns NULL.
13075         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
13076         with release semantics.  Do not warn if get_memory_order already did.
13077         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
13078         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
13079         if get_memory_order already did.
13080
13081 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
13082
13083         * doc/install.texi: Document that isl-0.16 is supported.
13084
13085 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
13086
13087         PR target/69299
13088         * config/i386/constraints.md (Bm): Describe as special memory
13089         constraint.
13090         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
13091         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13092         * genpreds.c (struct constraint_data): Add is_special_memory.
13093         (have_special_memory_constraints, special_memory_start): New
13094         static vars.
13095         (special_memory_end): Ditto.
13096         (add_constraint): Add new arg is_special_memory.  Add code to
13097         process its true value.  Update have_special_memory_constraints.
13098         (process_define_constraint): Pass the new arg.
13099         (process_define_register_constraint): Ditto.
13100         (choose_enum_order): Process special memory.
13101         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
13102         function insn_extra_special_memory_constraint.
13103         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13104         * gensupport.c (process_rtx): Process
13105         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
13106         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
13107         * ira-lives.c (single_reg_class): Use
13108         insn_extra_special_memory_constraint.
13109         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
13110         * lra-constraints.c (process_alt_operands): Ditto.
13111         (curr_insn_transform): Use insn_extra_special_memory_constraint.
13112         * recog.c (asm_operand_ok, preprocess_constraints): Process
13113         CT_SPECIAL_MEMORY.
13114         * reload.c (find_reloads): Ditto.
13115         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
13116         * stmt.c (parse_input_constraint): Use
13117         insn_extra_special_memory_constraint.
13118
13119 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13120
13121         PR target/69530
13122         * lra-splill.c (lra_final_code_change): Revert r229087 by
13123         removing all sub-registers.
13124
13125 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
13126
13127         PR target/65604
13128         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
13129
13130 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
13131
13132         PR target/69551
13133         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
13134         SSE1, copy target into the temporary reg first before recursing
13135         on it.
13136
13137 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
13138
13139         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
13140         with vm.
13141
13142 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13143
13144         * ginclude/stdarg.h: Test __cplusplus instead of
13145         __GXX_EXPERIMENTAL_CXX0X__.
13146
13147 2016-01-29  Richard Biener  <rguenther@suse.de>
13148
13149         PR tree-optimization/69547
13150         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
13151         Do not mark clobbers necessary.
13152         (mark_all_reaching_defs_necessary_1): Likewise.
13153
13154 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13155
13156         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
13157         declaration name with %qs and print it in both error messages.
13158         Also fix indentation.
13159
13160 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
13161
13162         PR other/69006
13163         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
13164         trailing blank line from error message.
13165
13166 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
13167
13168         PR c++/69462
13169         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
13170         for C++-11.
13171
13172 2016-01-29  Richard Biener  <rguenther@suse.de>
13173
13174         PR middle-end/69537
13175         * match.pd: Allow all integral types when simplifying a
13176         widening or sign-changing conversion.
13177
13178 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13179
13180         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
13181         back to setting codegen_error to fail codegen.
13182
13183 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
13184
13185         PR target/69459
13186         * config/i386/constraints.md (C): Only accept constant zero operand.
13187         (BC): New constraint.
13188         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
13189         instead of C constraint.
13190         * doc/md.texi (Machine Constraints): Update description
13191         of C constraint.
13192
13193 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
13194
13195         PR target/68400
13196         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
13197
13198 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
13199
13200         PR middle-end/69542
13201         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
13202         non-debug insns.
13203
13204 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
13205
13206         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
13207         branches if using guessed profile.
13208
13209 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
13210
13211         * graphite-optimize-isl.c (optimize_isl): Fix dump.
13212
13213 2016-01-28  Richard Henderson  <rth@redhat.com>
13214
13215         PR target/69305
13216         * config/aarch64/aarch64-modes.def (CC_Cmode): New
13217         * config/aarch64/aarch64-protos.h: Update.
13218         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
13219         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
13220         (aarch64_get_condition_code_1): Handle CC_Cmode.
13221         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
13222         (*add<mode>3_compareC_cconly_imm): New.
13223         (*add<mode>3_compareC_cconly): New.
13224         (*add<mode>3_compareC_imm): New.
13225         (add<mode>3_compareC): New.
13226         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
13227         to be first.  Use aarch64_carry_operation.
13228         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
13229         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
13230         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
13231         (subti3): Use subdi3_compare1.
13232         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
13233         (sub<mode>3_compare1): New.
13234         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
13235         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
13236         (*subsi3_carryin_uxtw): Likewise.
13237         (*ngc<mode>, *ngcsi_uxtw): Likewise.
13238         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
13239         * config/aarch64/iterators.md (DWI): New.
13240         * config/aarch64/predicates.md (aarch64_carry_operation): New.
13241         (aarch64_borrow_operation): New.
13242
13243 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13244
13245         * graphite-optimize-isl.c (optimize_isl): Print a different debug
13246         message when isl does not return a valid schedule.
13247
13248 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13249
13250         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
13251         Remove comments from class declarations: they are already in the code
13252         close by the defs.
13253
13254 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13255
13256         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
13257         codegen_error_p.
13258         (ternary_op_to_tree): Same.
13259         (unary_op_to_tree): Same.
13260         (nary_op_to_tree): Same.
13261         (gcc_expression_from_isl_expr_op): Same.
13262         (gcc_expression_from_isl_expression): Same.
13263         (graphite_create_new_loop): Same.
13264         (graphite_create_new_loop_guard): Same.
13265         (build_iv_mapping): Same.
13266         (graphite_create_new_guard): Same.
13267         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
13268         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
13269
13270 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
13271
13272         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
13273         instead of setting codegen_error to fail codegen.
13274
13275 2016-01-28  Jason Merrill  <jason@redhat.com>
13276
13277         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
13278
13279 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13280
13281         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
13282         Remove CONST_INT_P check in CCMP cost calculation.
13283
13284 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13285
13286         * config/aarch64/aarch64.c (generic_vector_cost):
13287         Set vec_permute_cost.
13288         (cortexa57_vector_cost): Likewise.
13289         (exynosm1_vector_cost): Likewise.
13290         (xgene1_vector_cost): Likewise.
13291         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
13292         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
13293         Add vec_permute_cost entry.
13294
13295 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
13296
13297         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
13298         immediate as %1.
13299         (add<mode>3_compare0): Likewise.
13300         (addsi3_compare0_uxtw): Likewise.
13301         (add<mode>3nr_compare0): Likewise.
13302         (compare_neg<mode>): Likewise.
13303         (<optab><mode>3): Likewise.
13304
13305 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
13306
13307         * tree-vect-stmts.c (vectorizable_comparison): Add
13308         NULL check for vectype.
13309
13310 2016-01-28  Richard Biener  <rguenther@suse.de>
13311
13312         PR tree-optimization/69466
13313         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
13314         Account for PHIs we couldn't duplicate.
13315
13316 2016-01-28  Martin Liska  <mliska@suse.cz>
13317
13318         PR pch/68758
13319         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
13320         instead of ENABLE_VALGRIND_CHECKING.
13321
13322 2016-01-27  Richard Henderson  <rth@redhat.com>
13323
13324         PR rtl-opt/69447
13325         * lra-remat.c (subreg_regs): New.
13326         (dump_candidates_and_remat_bb_data): Dump it.
13327         (operand_to_remat): Reject if operand in subreg_regs.
13328         (set_bb_regs): Collect subreg_regs.
13329         (lra_remat): Init and free subreg_regs.  Compute
13330         calculate_local_reg_remat_bb_data before create_cands.
13331
13332 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
13333
13334         PR target/68986
13335         * config/i386/i386.c (ix86_update_stack_boundary): Don't
13336         change stack_alignment_needed for __tls_get_addr call.
13337
13338 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
13339
13340         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
13341
13342 2016-01-27  Jeff Law  <law@redhat.com>
13343
13344         PR tree-optimization/68398
13345         PR tree-optimization/69196
13346         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
13347         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
13348         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13349         Only count PHIs in the last block in the path.  The others will
13350         const/copy propagate away.  Add heuristic to allow more irreducible
13351         subloops to be created when it is likely profitable to do so.
13352
13353         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
13354         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
13355         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
13356
13357 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13358
13359         PR lto/69254
13360         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
13361         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
13362         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
13363         * tree-streamer-in.c: Include asan.h.
13364         (streamer_get_builtin_tree): For builtins in sanitizer
13365         range call initialize_sanitizer_builtins and retry.
13366
13367 2016-01-27  Ian Lance Taylor  <iant@google.com>
13368
13369         * common.opt (fkeep-gc-roots-live): New undocumented option.
13370         * tree-ssa-loop-ivopts.c (add_candidate_1): If
13371         -fkeep-gc-roots-live, skip pointers.
13372         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
13373         NULL.
13374
13375 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
13376
13377         PR target/69512
13378         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
13379         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
13380
13381 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
13382
13383         PR target/68380
13384         * configure.ac: NetBSD provides SSP in its C library.
13385         * configure: Updated.
13386
13387 2016-01-27  Richard Biener  <rguenther@suse.de>
13388
13389         PR tree-optimization/69166
13390         * tree-vect-loop.c (vect_is_simple_reduction): Always check
13391         reduction code for commutativity / associativity.
13392
13393 2016-01-27  Martin Jambor  <mjambor@suse.cz>
13394
13395         PR tree-optimization/69355
13396         * tree-sra.c (analyze_access_subtree): Correct hole detection when
13397         total_scalarization fails.
13398
13399 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
13400
13401         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
13402         power9.
13403
13404 2016-01-27  Christian Bruel  <christian.bruel@st.com>
13405
13406         PR target/69245
13407         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
13408         Move arm_reset_previous_fndecl and set_target_option_current_node in
13409         the conditional part.  Call save_restore_target_globals.
13410         * config/arm/arm.c (arm_set_current_function):
13411         Refactor to better support #pragma target and attribute mix.
13412         Call save_restore_target_globals.
13413         * config/arm/arm-protos.h (save_restore_target_globals): New function.
13414
13415 2016-01-27  Martin Liska  <mliska@suse.cz>
13416
13417         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
13418         reference for an HSA kernel and its host function.
13419
13420 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
13421
13422         PR tree-optimization/69399
13423         * wide-int.h (wi::lrshift): For larger precisions, only
13424         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
13425
13426 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
13427
13428         * config/arc/predicates.md (proper_comparison_operator): Reject
13429         constant-constant comparison.
13430
13431 2016-01-26  Tom de Vries  <tom@codesourcery.com>
13432
13433         PR tree-optimization/69110
13434         * tree-data-ref.c (initialize_data_dependence_relation): Handle
13435         DR_NUM_DIMENSIONS == 0.
13436
13437 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
13438             Sebastian Pop  <s.pop@samsung.com>
13439
13440         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
13441         isl_ast_op_cond and isl_ast_op_select.
13442         (gcc_expression_from_isl_expr_op): Same.
13443
13444 2016-01-26  Jason Merrill  <jason@redhat.com>
13445
13446         PR c++/68782
13447         * tree.c (recompute_constructor_flags): Split out from
13448         build_constructor.
13449         (verify_constructor_flags): New.
13450         * tree.h: Declare them.
13451
13452 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
13453
13454         PR rtl-optimization/69217
13455         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
13456         are no TYPE_FIELDS set for the record type.
13457
13458 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13459
13460         PR target/68662
13461         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
13462         toc_label_name unconditionally.
13463         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
13464         SYMBOL_REF string.  Use toc_label_name instead of constructing
13465         LCTOC1.
13466         (rs6000_elf_declare_function_name): Use toc_label_name instead of
13467         constructing LCTOC1.
13468
13469 2016-01-26  Martin Sebor  <msebor@redhat.com>
13470
13471         PR other/69477
13472         * doc/extend.texi (Common Type Attributes): Move text that talks about
13473         attribute packed from attribute aligned to the section discussing
13474         the former attribute for clarity.
13475
13476 2016-01-26  Richard Henderson  <rth@redhat.com>
13477
13478         PR middle-end/60908
13479         * trans-mem.c (tm_region_init): Mark entry block as visited.
13480
13481 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
13482
13483         PR other/69006
13484         * diagnostic-show-locus.c (layout::print_source_line): Replace
13485         call to pp_newline with call to layout::print_newline.
13486         (layout::print_annotation_line): Likewise.
13487         (layout::move_to_column): Likewise.
13488         (layout::print_any_fixits): After printing any fixits, print a
13489         trailing newline, if necessary.
13490         (layout::print_newline): New method, resetting any colorization
13491         before a newline.
13492         (diagnostic_show_locus): Move the pp_newline to before the
13493         early bailout.  Remove dummy block enclosing the layout instance.
13494         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
13495         of pp_newline_and_flush with pp_flush.
13496         (diagnostic_append_note): Delete use of pp_newline.
13497         (diagnostic_append_note_at_rich_loc): Delete.
13498         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
13499         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
13500         when newline characters are added to the buffer.
13501
13502 2016-01-26  Michael Matz  <matz@suse.de>
13503
13504         * configure.ac (ac_cv_std_swap_in_utility): New test.
13505         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
13506         * configure: Regenerate.
13507         * config.in: Regenerate.
13508
13509 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
13510
13511         * config/arc/arc.md (cstoresi4): Force operand into register.
13512         (arcset<code>): Fix predicate.
13513         (arcsetltu): Likewise.
13514         (arcsetgeu): Likewise.
13515         (arcsethi): Likewise.
13516         (arcsetls): Likewise.
13517
13518 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13519
13520         PR tree-optimization/69483
13521         * gimple-fold.c (canonicalize_constructor_val): Return NULL
13522         if base has error_mark_node type.
13523
13524 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
13525
13526         PR target/68620
13527         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
13528         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
13529         New helper macros.
13530         (vget_lane_f16): Handle big-endian.
13531         (vgetq_lane_f16): Likewise.
13532         (vset_lane_f16): Likewise.
13533         (vsetq_lane_f16): Likewise.
13534         * config/arm/iterators.md (VQXMOV): Add V8HF.
13535         (VDQ): Add V4HF and V8HF.
13536         (V_reg): Handle V4HF and V8HF.
13537         (Is_float_mode): Likewise.
13538         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
13539         neon_vdup_nv8hf): New patterns.
13540         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
13541         Use VD_LANE iterator.
13542         (neon_vld1_dup<mode>): Use VQ2 iterator.
13543
13544 2016-01-26  Nathan Sidwell  <nathan@acm.org>
13545
13546         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
13547         (set_oacc_fn_attrib): Add IS_KERNEL arg.
13548         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
13549         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
13550         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
13551         (oacc_validate_dims): Add LEVEL arg, don't return level.
13552         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
13553         oacc_validate_dims.
13554         (execute_oacc_device_lower): Adjust, add more dump output.
13555         * tree-ssa-loop.c (gate_oacc_kernels): Use
13556         oacc_fn_attrib_kernels_p.
13557         * tree-parloops.c (create_parallel_loop): Adjust
13558         set_oacc_fn_attrib call.
13559
13560 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13561
13562         PR lto/69254
13563         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
13564         (append_compiler_options): Handle -fcilkplus.
13565         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
13566
13567 2016-01-26  Nick Clifton  <nickc@redhat.com>
13568
13569         PR target/66655
13570         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
13571         been marked as DECL_ONE_ONLY but we do not the means to make it
13572         so, then do not allow it to bind locally.
13573
13574 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13575
13576         PR lto/69254
13577         * opts.h (parse_sanitizer_options): New prototype.
13578         * opts.c (sanitizer_opts): New array.
13579         (parse_sanitizer_options): New function.
13580         (common_handle_option): Use parse_sanitizer_options.
13581
13582 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
13583
13584         PR target/68986
13585         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
13586         alignment adjustment to ...
13587         (ix86_update_stack_boundary): Here.  Don't over-align stack for
13588         __tls_get_addr.
13589         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
13590         if __tls_get_addr is called.
13591
13592 2016-01-26  Christian Bruel  <christian.bruel@st.com>
13593
13594         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
13595
13596 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
13597
13598         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
13599
13600 2016-01-26  Richard Biener  <rguenther@suse.de>
13601
13602         PR middle-end/69467
13603         * match.pd: Guard X * CST CMP 0 pattern with single_use.
13604
13605 2016-01-26  Richard Biener  <rguenther@suse.de>
13606
13607         PR tree-optimization/69452
13608         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
13609         (move_computations_dom_walker::before_dom_children): Rename
13610         to ...
13611         (move_computations_worker): This.
13612         (move_computations): Perform an RPO rather than a DOM walk.
13613
13614 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
13615
13616         PR target/69442
13617         * combine.c (combine_instructions): For REG_EQUAL note with
13618         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
13619         to the underlying register.
13620         * doc/rtl.texi (REG_EQUAL): Document the behavior of
13621         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
13622
13623 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
13624
13625         PR target/67896
13626         * config/aarch64/aarch64-builtins.c
13627         (aarch64_init_simd_builtin_types): Do not set structural
13628         equality to __Poly{8,16,64,128}_t types.
13629
13630 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
13631
13632         PR tree-optimization/69400
13633         * wide-int.cc (wi_pack): Take the precision as argument and
13634         perform canonicalization here rather than in the callers.
13635         Use the main loop to handle all full-width HWIs.  Add a
13636         zero HWI if in_len isn't a full result.
13637         (wi::divmod_internal): Update accordingly.
13638         (wi::mul_internal): Likewise.  Simplify.
13639
13640 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13641             Sebastian Pop  <s.pop@samsung.com>
13642
13643         * graphite-poly.c (apply_poly_transforms): Simplify.
13644         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
13645         (print_isl_map): Same.
13646         (print_isl_union_map): Same.
13647         (print_isl_schedule): New.
13648         (debug_isl_schedule): New.
13649         * graphite-dependences.c (scop_get_reads): Do not call
13650         isl_union_map_add_map that is undocumented isl functionality.
13651         (scop_get_must_writes): Same.
13652         (scop_get_may_writes): Same.
13653         (scop_get_original_schedule): Remove.
13654         (scop_get_dependences): Do not call isl_union_map_compute_flow that
13655         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
13656         (compute_deps): Remove.
13657         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
13658         (debug_schedule_ast): New.
13659         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
13660         set_separate_option.
13661         (graphite_regenerate_ast_isl): Add dump.
13662         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
13663         from scop->transformed_schedule.
13664         (graphite_regenerate_ast_isl): Add more dump.
13665         * graphite-optimize-isl.c (optimize_isl): Set
13666         scop->transformed_schedule.  Check whether schedules are equal.
13667         (apply_poly_transforms): Move here.
13668         * graphite-poly.c (apply_poly_transforms): ... from here.
13669         (free_poly_bb): Static.
13670         (free_scop): Static.
13671         (pbb_number_of_iterations_at_time): Remove.
13672         (print_isl_ast): New.
13673         (debug_isl_ast): New.
13674         (debug_scop_pbb): New.
13675         * graphite-scop-detection.c (print_edge): Move.
13676         (print_sese): Move.
13677         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
13678         (build_scop_scattering): Remove.
13679         (create_pw_aff_from_tree): Assert instead of bailing out.
13680         (add_condition_to_pbb): Remove unused code, do not fail.
13681         (add_conditions_to_domain): Same.
13682         (add_conditions_to_constraints): Remove.
13683         (build_scop_context): New.
13684         (add_iter_domain_dimension): New.
13685         (build_iteration_domains): Initialize pbb->iterators.
13686         Call add_conditions_to_domain.
13687         (nested_in): New.
13688         (loop_at): New.
13689         (index_outermost_in_loop): New.
13690         (index_pbb_in_loop): New.
13691         (outermost_pbb_in): New.
13692         (add_in_sequence): New.
13693         (add_outer_projection): New.
13694         (outer_projection_mupa): New.
13695         (add_loop_schedule): New.
13696         (build_schedule_pbb): New.
13697         (build_schedule_loop): New.
13698         (embed_in_surrounding_loops): New.
13699         (build_schedule_loop_nest): New.
13700         (build_original_schedule): New.
13701         (build_poly_scop): Call build_original_schedule.
13702         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
13703         (free_poly_dr): Remove.
13704         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
13705         (free_poly_bb): Remove.
13706         (debug_loop_vec): Remove.
13707         (print_isl_ast): Declare.
13708         (debug_isl_ast): Declare.
13709         (scop_do_interchange): Remove.
13710         (scop_do_strip_mine): Remove.
13711         (scop_do_block): Remove.
13712         (flatten_all_loops): Remove.
13713         (optimize_isl): Remove.
13714         (pbb_number_of_iterations_at_time): Remove.
13715         (debug_scop_pbb): Declare.
13716         (print_schedule_ast): Declare.
13717         (debug_schedule_ast): Declare.
13718         (struct scop): Remove schedule.  Add original_schedule,
13719         transformed_schedule.
13720         (free_gimple_poly_bb): Remove.
13721         (print_generated_program): Remove.
13722         (debug_generated_program): Remove.
13723         (unify_scattering_dimensions): Remove.
13724         * sese.c (print_edge): ... here.
13725         (print_sese): ... here.
13726         (debug_edge): ... here.
13727         (debug_sese): ... here.
13728         * sese.h (print_edge): Declare.
13729         (print_sese): Declare.
13730         (dump_edge): Declare.
13731         (dump_sese): Declare.
13732
13733 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
13734             Sebastian Pop  <s.pop@samsung.com>
13735
13736         * Makefile.in: Set ISLVER in site.exp.
13737
13738 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
13739
13740         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
13741         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
13742         through DECL_VALUE_EXPR for expansion.
13743
13744 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13745
13746         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
13747         the frame info after reload completed.
13748
13749 2016-01-25  Jeff Law  <law@redhat.com>
13750
13751         PR tree-optimization/69196
13752         PR tree-optimization/68398
13753         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
13754         tree-ssa-threadupdate.c.
13755         (determine_bb_domination_status): Prototype
13756         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
13757         (determine_bb_domination_status): No longer static.
13758         (valid_jump_thread_path): Remove code to detect characteristics
13759         of the jump thread path not associated with correctness.
13760         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
13761         Correct test for thread path length.  Count PHIs for real operands as
13762         statements that need to be copied.  Do not count ASSERT_EXPRs.
13763         Look at all the blocks in the thread path.  Compute and selectively
13764         filter thread paths based on threading through the latch, threading
13765         a multiway branch or crossing a multiway branch.
13766
13767 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13768
13769         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
13770         decl with __attribute__ ((unused)) annotation.
13771
13772 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
13773
13774         PR target/69421
13775         * tree-vect-stmts.c (vectorizable_condition): Check vectype
13776         of operands is compatible with a statement vectype.
13777
13778 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
13779
13780         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
13781         improve wording for mixed storage order support.
13782
13783 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
13784
13785         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
13786         (vcvt_u64_f64): Likewise.
13787         (vcvta_s64_f64): Likewise.
13788         (vcvta_u64_f64): Likewise.
13789         (vcvtm_s64_f64): Likewise.
13790         (vcvtm_u64_f64): Likewise.
13791         (vcvtn_s64_f64): Likewise.
13792         (vcvtn_u64_f64): Likewise.
13793         (vcvtp_s64_f64): Likewise.
13794         (vcvtp_u64_f64): Likewise.
13795
13796 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
13797
13798         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
13799         (arc_init): Check validity mll64 option.
13800         (arc_save_restore): Use double load/store instruction.
13801         (arc_expand_movmem): Likewise.
13802         (arc_split_move): Don't split if we have double load/store
13803         instructions. Returns a boolean.
13804         (arc_process_double_reg_moves): Change function to return boolean
13805         instead of a sequence of instructions.
13806         (arc_dwarf_register_span): New function.
13807         * config/arc/arc-protos.h (arc_split_move): Change prototype.
13808         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
13809         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
13810         (*movdf_insn): Likewise.
13811         * config/arc/arc.opt (mll64): New option.
13812         * config/arc/predicates.md (even_register_operand): New predicate.
13813         * doc/invoke.texi (ARC Options): Add mll64 documentation.
13814
13815 2016-01-25  Richard Biener  <rguenther@suse.de>
13816
13817         PR lto/69393
13818         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
13819         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
13820         DECL_NAMELESS.
13821         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
13822
13823 2016-01-25  Richard Biener  <rguenther@suse.de>
13824
13825         PR tree-optimization/69376
13826         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
13827         flag.
13828         (VN_INFO_ANTI_RANGE_P): New inline.
13829         (VN_INFO_RANGE_TYPE): Likewise.
13830         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
13831         SSA_NAME_ANTI_RANGE_P.
13832         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
13833         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
13834         Properly query VN_INFO_RANGE_TYPE.
13835
13836 2016-01-25  Nick Clifton  <nickc@redhat.com>
13837
13838         PR target/66655
13839         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
13840
13841 2016-01-23  Tom de Vries  <tom@codesourcery.com>
13842
13843         PR tree-optimization/69426
13844         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
13845         removed clobber.
13846
13847 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
13848
13849         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
13850         "the the" with "the" in the comments.
13851         * ipa-devirt.c (build_type_inheritance_graph,
13852         update_type_inheritance_graph): Likewise.
13853         * tree.c (build_function_type_list_1): Likewise.
13854         * cfgloopmanip.c (scale_loop_profile): Likewise.
13855         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
13856         * gimple-ssa-split-paths.c
13857         (find_block_to_duplicate_for_splitting_paths): Likewise.
13858         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
13859         * expr.c (convert_move): Likewise.
13860         * var-tracking.c (vt_stack_adjustments): Likewise.
13861         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
13862         * tree-vrp.c (test_for_singularity): Likewise.
13863
13864         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
13865         directly instead of building a temporary tree.
13866
13867         PR bootstrap/69434
13868         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
13869         remove <algorithm> include.
13870
13871 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13872
13873         PR target/69432
13874         * config/i386/i386.c: Include dojump.h.
13875         (expand_small_movmem_or_setmem,
13876         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
13877         fixes.
13878         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
13879         if dynamic_check != -1.
13880
13881 2016-01-21  Jeff Law  <law@redhat.com>
13882
13883         PR middle-end/69347
13884         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
13885         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
13886         into dominated_by_p.
13887         (cprop_into_successor_phis): Avoid unnecessary tests.
13888
13889 2016-01-22  Richard Henderson  <rth@redhat.com>
13890
13891         PR target/69416
13892         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
13893         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
13894
13895 2016-01-22  Michael Matz  <matz@suse.de>
13896
13897         * system.h (string, algorithm): Include only conditionally.
13898         (new): Include always under C++.
13899         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
13900         * final.c (toplevel): Ditto.
13901         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
13902         * genconditions.c (write_header): Make gencondmd.c define
13903         INCLUDE_STRING.
13904         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
13905
13906         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
13907         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
13908
13909 2016-01-22  Christian Bruel  <christian.bruel@st.com>
13910
13911         PR target/68674
13912         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
13913
13914 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13915
13916         PR target/69403
13917         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
13918         define_insn_and_split.  Ensure operands[1] and operands[0] do not
13919         get assigned the same register.
13920
13921 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
13922
13923         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
13924
13925 2016-01-22  Christian Bruel  <christian.bruel@st.com>
13926
13927         * config/arm/arm-c.c (arm_pragma_target_parse):
13928         Remove warn_builtin_macro_redefined overwrite.
13929
13930 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13931
13932         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
13933         flag_non_call_exceptions compatibility.
13934
13935 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
13936
13937         PR debug/66668
13938         * dwarf2out.c (add_child_die_after): New function.
13939         (dwarf_qual_info_t): New type.
13940         (dwarf_qual_info): New variable.
13941         (qualified_die_p): New function.
13942         (modified_type_die): For -fdebug-types-section, ensure
13943         canonical order of qualifiers.  Put qualified DIEs adjacent
13944         to the corresponding non-qualified type DIE and search there
13945         for existing qualified DIEs.
13946
13947 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13948
13949         * doc/extend.texi (scalar_storage_order type attribute): Document
13950         restriction on type punning and aliasing, and remove future tense.
13951
13952 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
13953
13954         PR target/69252
13955         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
13956         first stage.
13957
13958 2016-01-21  Jeff Law  <law@redhat.com>
13959
13960         PR middle-end/69347
13961         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
13962         useless call to record_temporary_equivalences.
13963         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
13964         allocate 10 slots in the bb_path vector and let it grow as needed.
13965         (fsm_find_control_statement_thread_paths): Similarly for the next_path
13966         vector.
13967
13968 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
13969
13970         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
13971         Detangle.
13972         * configure: Regenerate.
13973
13974 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
13975
13976         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
13977         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
13978
13979 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
13980
13981         PR middle-end/66178
13982         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
13983         drop EXPAND_INITIALIZER.
13984         * rtl.h (contains_symbolic_reference_p): Declare.
13985         * rtlanal.c (contains_symbolic_reference_p): New function.
13986         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
13987         a subtraction into a NOT if symbolic constants are involved.
13988
13989 2016-01-21  Anton Blanchard  <anton@samba.org>
13990             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
13991
13992         PR target/63354
13993         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
13994         #define.
13995         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
13996         function.
13997
13998 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
13999
14000         * config/microblaze/microblaze.c
14001         (get_branch_target): New.
14002         (insert_wic_for_ilb_runout): New.
14003         (insert_wic): New.
14004         (microblaze_machine_dependent_reorg): New.
14005         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
14006         * config/microblaze/microblaze.md
14007         (UNSPEC_IPREFETCH): Define.
14008         (iprefetch): New pattern
14009         * config/microblaze/microblaze.opt
14010         (mxl-prefetch): New flag.
14011
14012 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14013
14014         * config/microblaze/microblaze.h
14015         (FIXED_REGISTERS): Update in macro.
14016         (CALL_USED_REGISTERS): Update in macro.
14017
14018 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
14019
14020         PR rtl-optimization/68920
14021         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
14022         moves.
14023
14024 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
14025
14026         PR rtl-optimization/68990
14027         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
14028         pseudo instead of inheritance ones.
14029
14030 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
14031             Nick Clifton  <nickc@redhat.com>
14032
14033         PR target/69129
14034         PR target/69012
14035         * config/mips/mips.c (mips_compute_frame_info): Initialise
14036         args_size and hard_frame_pointer_offset fields of the frame
14037         structure before calling mips_global_pointer.
14038
14039 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
14040
14041         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
14042         label reference.
14043         * configure: Regenerate.
14044
14045 2016-01-21  Richard Biener  <rguenther@suse.de>
14046
14047         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
14048
14049 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14050
14051         * config/s390/s390.c (s390_asm_declare_function_size): Add code
14052         to actually emit the .size directive.
14053
14054 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
14055              Jakub Jelinek  <jakub@redhat.com>
14056
14057         PR target/69187
14058         PR target/65624
14059         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
14060         args array size by one to avoid buffer overflow.
14061
14062 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
14063
14064         * config/s390/s390.md (pool_section_start): Use switch_to_section
14065         to select proper read-only data section instead of hardcoding
14066         .rodata.
14067         (pool_section_end): Use switch_to_section to match the above.
14068
14069 2016-01-21  Richard Biener  <rguenther@suse.de>
14070
14071         PR tree-optimization/69378
14072         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
14073         (set_ssa_val_to): Use it for dominance checks taking into
14074         account not executable edges.
14075
14076 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14077
14078         PR c++/69355
14079         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
14080         for bitsize instead of GET_MODE_PRECISION (mode).
14081
14082 2016-01-20  Martin Sebor  <msebor@redhat.com>
14083
14084         PR c/52291
14085         * extend.texi (__sync Builtins): Clarify the semantics of
14086         __sync_fetch_and_OP built-ins on pointers.
14087         (__atomic Builtins): Same.
14088
14089 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14090             Sebastian Pop  <s.pop@samsung.com>
14091
14092         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
14093         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
14094         (is_valid_rename): Same.
14095         (translate_isl_ast_to_gimple::get_rename): Same.
14096         (translate_isl_ast_to_gimple::rename_all_uses): Same.
14097         (translate_isl_ast_to_gimple::rename_uses): Same.
14098         (get_new_name): Check for close_phi nodes.
14099         (copy_loop_phi_args): Use phi_node_kind.
14100         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
14101         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
14102
14103 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14104             Sebastian Pop  <s.pop@samsung.com>
14105
14106         Revert commit r229783.
14107         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
14108         Remove use of parameter_rename_map.
14109         (copy_def): Remove.
14110         (copy_internal_parameters): Remove.
14111         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
14112         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
14113         (free_sese_info): Do not free parameter_rename_map.
14114         (set_rename): Do not use parameter_rename_map.
14115         (rename_uses): Update call to set_rename.
14116         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
14117         * sese.h (parameter_rename_map_t): Remove.
14118         (struct sese_info_t): Remove field parameter_rename_map.
14119
14120 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14121             Sebastian Pop  <s.pop@samsung.com>
14122
14123         * graphite-isl-ast-to-gimple.c: Fix comment.
14124         * graphite-scop-detection.c (defined_in_loop_p): New.
14125         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
14126         names defined in loop.
14127
14128 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14129             Sebastian Pop  <s.pop@samsung.com>
14130
14131         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
14132         Discard unstructured if-then-else regions.
14133
14134 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14135             Sebastian Pop  <s.pop@samsung.com>
14136
14137         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
14138         (cleanup_loop_iter_dom): Remove.
14139         (build_loop_iteration_domains): Remove.
14140         (build_scop_context): Remove.
14141         (build_scop_iteration_domain): Remove.
14142         (add_loop_constraints): New.
14143         (build_iteration_domains): New.
14144         (build_poly_scop): Call build_iteration_domains.
14145
14146 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14147             Sebastian Pop  <s.pop@samsung.com>
14148
14149         * graphite-scop-detection.c
14150         (scop_detection::harmful_loop_in_region): Free dom and loops.
14151         (scop_detection::loop_body_is_valid_scop): Free bbs.
14152
14153 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14154             Sebastian Pop  <s.pop@samsung.com>
14155
14156         * graphite-scop-detection.c (record_loop_in_sese): New.
14157         (gather_bbs::before_dom_children): Call record_loop_in_sese.
14158         (build_scops): Remove call to build_sese_loop_nests.
14159         * sese.c (sese_record_loop): Remove.
14160         (build_sese_loop_nests): Remove.
14161         (new_sese_info): Remove region->loops.
14162         (free_sese_info): Same.
14163         * sese.h (sese_contains_loop): Same.
14164         (build_sese_loop_nests): Remove.
14165         (sese_contains_loop): Remove.
14166
14167 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14168             Sebastian Pop  <s.pop@samsung.com>
14169
14170         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
14171         loop_is_valid_in_scop.
14172         (scop_detection::harmful_stmt_in_region): Renamed
14173         harmful_loop_in_region.
14174         Call loop_is_valid_in_scop.
14175
14176 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14177             Sebastian Pop  <s.pop@samsung.com>
14178
14179         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
14180         isl_ast_node_mark.
14181
14182 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14183             Sebastian Pop  <s.pop@samsung.com>
14184
14185         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
14186         * graphite.h (struct poly_bb): Remove field is_reduction.
14187         (PBB_IS_REDUCTION): Remove.
14188
14189 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
14190             Sebastian Pop  <s.pop@samsung.com>
14191
14192         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
14193         (add_pdr_constraints): Same.
14194         (scop_get_reads): Same.
14195         (scop_get_must_writes): Same.
14196         (scop_get_may_writes): Same.
14197         (scop_get_original_schedule): Same.
14198         (extend_schedule): Same.
14199         (apply_schedule_on_deps): Same.
14200         (carries_deps): Same.
14201         (compute_deps): Same.
14202         (scop_get_dependences): Same.
14203         * graphite-isl-ast-to-gimple.c
14204         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
14205         * graphite-optimize-isl.c (get_schedule_for_band): Same.
14206         (get_schedule_for_band_list): Same.
14207         (get_schedule_map): Same.
14208         (apply_schedule_map_to_scop): Same.
14209         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
14210         (build_loop_iteration_domains): Same.
14211         (add_condition_to_pbb): Same.
14212         (add_param_constraints): Same.
14213         (pdr_add_memory_accesses): Same.
14214         (pdr_add_data_dimensions): Same.
14215
14216 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14217
14218         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
14219         requirements.
14220
14221 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
14222
14223         * common.opt (feliminate-dwarf2-dups): Replace references to
14224         "DWARF 2" with just "DWARF".
14225         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
14226         * doc/extend.texi: Likewise.
14227         * doc/cpp.texi: Likewise.
14228         * doc/invoke.texi: Likewise.
14229         (Option Summary): Add -gdwarf to list of Debugging Options.
14230         (Debugging Options): Document -gdwarf.
14231         * doc/contrib.texi: Spell "DWARF" like that.
14232
14233 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
14234
14235         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
14236         warning.  Fix up formatting.
14237
14238         PR middle-end/67653
14239         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
14240         attempt to mark memory input operand addressable and
14241         call prepare_gimple_addressable in that case.  Don't adjust
14242         input_location for diagnostics, use error_at instead.
14243
14244 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
14245
14246         * config/rs6000/ppc-auxv.h: New file.
14247         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
14248         (cpu_is): Likewise.
14249         (cpu_supports): Likewise.
14250         * config/rs6000/rs6000.c: include "ppc-auxv.h".
14251         (cpu_is_info): New variable.
14252         (cpu_supports_info): Likewise.
14253         (tcb_verification_symbol): Likewise.
14254         (cpu_builtin_p): Likewise.
14255         (cpu_expand_builtin): New function.
14256         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
14257         (rs6000_init_builtins): Likewise.
14258         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
14259         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
14260         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
14261         * configure: Regenerate.
14262         * config.in: Likewise.
14263         * doc/extend.texi (PowerPC Built-in Functions): Document
14264         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
14265
14266 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
14267
14268         PR target/68609
14269         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
14270         domain check.
14271         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
14272         for V4SFmode.
14273
14274 2016-01-20  Richard Henderson  <rth@redhat.com>
14275
14276         PR bootstrap/69343
14277         PR bootstrap/69339
14278         PR tree-opt/68964
14279         Revert:
14280         * tree.c (tm_define_builtin): New.
14281         (find_tm_vector_type): New.
14282         (build_tm_vector_builtins): New.
14283         (build_common_builtin_nodes): Call it.
14284
14285 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
14286
14287         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
14288         (arm_fp_ok): Likewise.
14289         (arm_fp): Likewise.
14290         (arm_crypto): Likewise.
14291
14292 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
14293             Richard Biener  <rguenther@suse.de>
14294
14295         PR tree-optimization/69328
14296         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
14297         vectors have same number of elements.
14298         (vectorizable_condition): Fix masked version recognition.
14299
14300 2016-01-20  Richard Biener  <rguenther@suse.de>
14301
14302         PR tree-optimization/69345
14303         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
14304         (VN_INFO_PTR_INFO): Likewise.
14305         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
14306         info when it is equal between non-dominating SSA names.
14307         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
14308         Make sure to look at original SSA infos.
14309
14310 2016-01-20  Jeff Law  <law@redhat.com>
14311
14312         PR target/25114
14313         * config/m68k/predicates.md (pow2_m1_operand): New predicate
14314         extracted from ...
14315         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
14316         (pc_or_label_operand): New predicate.
14317         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
14318         tests for small integers that are 2^n - 1.
14319
14320 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
14321
14322         * doc/invoke.texi (Options Summary): Add '.' after @xref.
14323
14324 2016-01-19  Jeff Law  <law@redhat.com>
14325
14326         PR middle-end/69347
14327         * tree-ssa-threadbackwards.c
14328         (fsm_find_control_statement_thread_paths): Do not try to lookup
14329         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
14330
14331 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
14332
14333         * doc/lto.texi: Remove text that says only Gold has linker plugin
14334         support.
14335
14336 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
14337
14338         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
14339         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
14340         the DIE accordingly.
14341         (modified_type_die): Add REVERSE parameter and pass it recursively,
14342         as well as to base_type_die.  Adjust presence check accordingly.
14343         (base_type_for_mode): Adjust call to modified_type_die.
14344         (add_type_attribute): Add REVERSE parameter and pass it to
14345         modified_type_die.
14346         (generic_parameter_die): Adjust call to add_type_attribute.
14347         (add_scalar_info): Likewise.
14348         (add_subscript_info): Likewise.
14349         (gen_array_type_die): Likewise.
14350         (gen_descr_array_type_die): Likewise.
14351         (gen_entry_point_die): Likewise.
14352         (gen_enumeration_type_die): Likewise.
14353         (gen_formal_parameter_die): Likewise.
14354         (gen_subprogram_die): Likewise.
14355         (gen_variable_die ): Likewise.
14356         (gen_const_die): Likewise.
14357         (gen_field_die): Likewise.
14358         (gen_pointer_type_die): Likewise.
14359         (gen_reference_type_die): Likewise.
14360         (gen_ptr_to_mbr_type_die): Likewise.
14361         (gen_inheritance_die): Likewise.
14362         (gen_subroutine_type_die): Likewise.
14363         (gen_typedef_die): Likewise.
14364         (force_type_die): Adjust call to modified_type_die.
14365
14366 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
14367
14368         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
14369         flow throughout the file.  Fix broken link to Objective-C 2.0
14370         documentation.
14371         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
14372         errors.
14373
14374 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14375
14376         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
14377
14378 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14379
14380         PR ipa/66223
14381         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
14382         (maybe_record_node): Record cxa_pure_virtual as the only possible
14383         target if there are not ohter candidates.
14384         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
14385
14386 2016-01-19  Richard Biener  <rguenther@suse.de>
14387
14388         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
14389         (get_memory_order): Likewise.
14390
14391 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
14392
14393         * tree-vect-stmts.c (vectorizable_store): Check
14394         rhs vectype.
14395
14396 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
14397
14398         PR jit/68446
14399         * gcc.c (driver::decode_argv): Add call to
14400         init_opts_obstack before init_options_struct.
14401         * opts.c (init_opts_obstack): Remove idempotency.
14402         (init_options_struct): Replace call to init_opts_obstack
14403         with a gcc_assert to verify that it has already been called.
14404         * toplev.c (toplev::main): Add call to init_opts_obstack before
14405         calls to init_options_struct.
14406         (toplev::finalize): Move cleanup of opts_obstack next to
14407         cleanup of save_decoded_options, clearing the latter, and
14408         save_decoded_options_count.
14409
14410 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14411
14412         PR target/69135
14413         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
14414         attribute to unconditional.  Remove %? from output template.
14415
14416 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14417             Jiong Wang  <jiong.wang@arm.com>
14418
14419         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
14420         generated from different expand order.
14421
14422 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14423
14424         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
14425         Add support for CCMP costing.
14426
14427 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14428
14429         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
14430         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
14431         (fccmpe<mode>): Likewise.
14432         (fcmp): Rename to fcmp and globalize pattern.
14433         (fcmpe): Likewise.
14434         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
14435         (aarch64_gen_ccmp_next): Add FP support.
14436
14437 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
14438
14439         * target.def (gen_ccmp_first): Update documentation.
14440         (gen_ccmp_next): Likewise.
14441         * doc/tm.texi (gen_ccmp_first): Update documentation.
14442         (gen_ccmp_next): Likewise.
14443         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
14444         expand_ccmp_expr_1.  Improve comments.
14445         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
14446         (ccmp_ior<mode>): Remove pattern.
14447         (cmp<mode>): Remove expand.
14448         (cmp): Globalize pattern.
14449         (cstorecc4): Use cc_register.
14450         (mov<mode>cc): Remove ccmp_cc_register check.
14451         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
14452         Simplify after removal of CC_DNE/* modes.
14453         (aarch64_ccmp_mode_to_code): Remove.
14454         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
14455         In 'k' case use integer as condition.
14456         (aarch64_nzcv_codes): Remove inverted cases.
14457         (aarch64_code_to_ccmode): Remove.
14458         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
14459         comparison with CC register to be used in folowing CCMP/branch/CSEL.
14460         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
14461         pattern.  Return the comparison with CC register.  Invert conditions
14462         when bitcode is OR.
14463         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
14464         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
14465
14466 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14467
14468         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
14469         instrumented_version.
14470
14471 2016-01-19  Richard Biener  <rguenther@suse.de>
14472
14473         PR tree-optimization/69336
14474         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
14475         handled components with get_ref_base_and_extent.
14476         (equal_mem_array_ref_p): Adjust.
14477
14478 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14479
14480         PR debug/65779
14481         * shrink-wrap.c: Include valtrack.h.
14482         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
14483         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
14484         in between insn and where it will be moved to.  Call
14485         dead_debug_insert_temp.
14486         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
14487         first and dead_debug_local_finish at the end.
14488         For uses and defs bitmap, handle all regs in between REGNO and
14489         END_REGNO, not just the first one.
14490
14491 2016-01-19  Richard Biener  <rguenther@suse.de>
14492
14493         PR tree-optimization/69352
14494         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
14495         (equal_mem_array_ref_p): Constrain size and max size properly.
14496         Compare the reverse flag.
14497
14498 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
14499
14500         * ira.c (ira): Update regstat data if we deleted insns.
14501
14502 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
14503
14504         PR rtl-optimization/68955
14505         PR rtl-optimization/64557
14506         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
14507         here.  Fix up formatting.
14508         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
14509
14510 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14511
14512         PR lto/69133
14513         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
14514         assume that the node has body.
14515         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
14516         check.
14517
14518 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14519
14520         * lto-streamer-out.c (lto_output): Do not stream instrumentation
14521         thunks.
14522
14523 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
14524
14525         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
14526         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
14527
14528 2016-01-19  Martin Jambor  <mjambor@suse.cz>
14529             Martin Liska  <mliska@suse.cz>
14530             Michael Matz  <matz@suse.de>
14531
14532         * Makefile.in (OBJS): Add new source files.
14533         (GTFILES): Add hsa.c.
14534         * common.opt (disable_hsa): New variable.
14535         (-Whsa): New warning.
14536         * config.in (ENABLE_HSA): New.
14537         * configure.ac: Treat hsa differently from other accelerators.
14538         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
14539         $enable_offloading.
14540         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
14541         * doc/install.texi (Configuration): Document --with-hsa-runtime,
14542         --with-hsa-runtime-include, --with-hsa-runtime-lib and
14543         --with-hsa-kmt-lib.
14544         * doc/invoke.texi (-Whsa): Document.
14545         (hsa-gen-debug-stores): Likewise.
14546         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
14547         to invoke offload compiler for hsa acclerator.
14548         * opts.c (common_handle_option): Determine whether HSA offloading
14549         should be performed.
14550         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
14551         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
14552         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
14553         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
14554         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
14555         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
14556         GF_OMP_FOR_KIND_GRID_LOOP.
14557         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
14558         (pp_gimple_stmt_1): Likewise.
14559         * gimple-walk.c (walk_gimple_stmt): Likewise.
14560         * gimple.c (gimple_build_omp_grid_body): New function.
14561         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
14562         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
14563         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
14564         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
14565         GF_OMP_TEAMS_GRID_PHONY.
14566         (gimple_statement_omp_single_layout): Updated comments.
14567         (gimple_build_omp_grid_body): New function.
14568         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
14569         (gimple_omp_for_grid_phony): New function.
14570         (gimple_omp_for_set_grid_phony): Likewise.
14571         (gimple_omp_parallel_grid_phony): Likewise.
14572         (gimple_omp_parallel_set_grid_phony): Likewise.
14573         (gimple_omp_teams_grid_phony): Likewise.
14574         (gimple_omp_teams_set_grid_phony): Likewise.
14575         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
14576         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
14577         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
14578         (BUILT_IN_GOMP_TARGET): Updated type.
14579         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
14580         (adjust_for_condition): New function.
14581         (get_omp_for_step_from_incr): Likewise.
14582         (extract_omp_for_data): Moved parts to adjust_for_condition and
14583         get_omp_for_step_from_incr.
14584         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
14585         (fixup_child_record_type): Bail out if receiver_decl is NULL.
14586         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
14587         (scan_omp_parallel): Do not create child functions for phony
14588         constructs.
14589         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
14590         (scan_omp_1_op): Checking assert we are not remapping to
14591         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
14592         (parallel_needs_hsa_kernel_p): New function.
14593         (expand_parallel_call): Register apprpriate parallel child
14594         functions as HSA kernels.
14595         (grid_launch_attributes_trees): New type.
14596         (grid_attr_trees): New variable.
14597         (grid_create_kernel_launch_attr_types): New function.
14598         (grid_insert_store_range_dim): Likewise.
14599         (grid_get_kernel_launch_attributes): Likewise.
14600         (get_target_argument_identifier_1): Likewise.
14601         (get_target_argument_identifier): Likewise.
14602         (get_target_argument_value): Likewise.
14603         (push_target_argument_according_to_value): Likewise.
14604         (get_target_arguments): Likewise.
14605         (expand_omp_target): Call get_target_arguments instead of looking
14606         up for teams and thread limit.
14607         (grid_expand_omp_for_loop): New function.
14608         (grid_arg_decl_map): New type.
14609         (grid_remap_kernel_arg_accesses): New function.
14610         (grid_expand_target_kernel_body): New function.
14611         (expand_omp): Call it.
14612         (lower_omp_for): Do not emit phony constructs.
14613         (lower_omp_taskreg): Do not emit phony constructs but create for them
14614         a temporary variable receiver_decl.
14615         (lower_omp_taskreg): Do not emit phony constructs.
14616         (lower_omp_teams): Likewise.
14617         (lower_omp_grid_body): New function.
14618         (lower_omp_1): Call it.
14619         (grid_reg_assignment_to_local_var_p): New function.
14620         (grid_seq_only_contains_local_assignments): Likewise.
14621         (grid_find_single_omp_among_assignments_1): Likewise.
14622         (grid_find_single_omp_among_assignments): Likewise.
14623         (grid_find_ungridifiable_statement): Likewise.
14624         (grid_target_follows_gridifiable_pattern): Likewise.
14625         (grid_remap_prebody_decls): Likewise.
14626         (grid_copy_leading_local_assignments): Likewise.
14627         (grid_process_kernel_body_copy): Likewise.
14628         (grid_attempt_target_gridification): Likewise.
14629         (grid_gridify_all_targets_stmt): Likewise.
14630         (grid_gridify_all_targets): Likewise.
14631         (execute_lower_omp): Call grid_gridify_all_targets.
14632         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
14633         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
14634         (tree_omp_clause): Added union field dimension.
14635         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
14636         * tree.c (omp_clause_num_ops): Added number of arguments of
14637         OMP_CLAUSE__GRIDDIM_.
14638         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
14639         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
14640         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
14641         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
14642         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
14643         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
14644         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
14645         * tree-pass.h (make_pass_gen_hsail): Declare.
14646         (make_pass_ipa_hsa): Likewise.
14647         * ipa-hsa.c: New file.
14648         * lto-section-in.c (lto_section_name): Add hsa section name.
14649         * lto-streamer.h (lto_section_type): Add hsa section.
14650         * timevar.def (TV_IPA_HSA): New.
14651         * hsa-brig-format.h: New file.
14652         * hsa-brig.c: New file.
14653         * hsa-dump.c: Likewise.
14654         * hsa-gen.c: Likewise.
14655         * hsa.c: Likewise.
14656         * hsa.h: Likewise.
14657         * toplev.c (compile_file): Call hsa_output_brig.
14658         * hsa-regalloc.c: New file.
14659
14660 2016-01-18  Jeff Law  <law@redhat.com>
14661
14662         PR tree-optimization/69320
14663         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
14664         ranged object, do nothing if the RHS constant is not [0..1].
14665         (optimize_stmt): Comparing a boolean ranged object against a
14666         constant outside [0..1] results in a compile-time constant.
14667
14668         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
14669         test.
14670
14671 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
14672
14673         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14674         (Option Summary): Update to reflect new section and moved options.
14675         (C++ Dialect Options): Move -fstats to new section.
14676         (Debugging Options): Move all dump, statistics, and other GCC
14677         developer options to new section.  Rewrite section introduction
14678         and re-order remaining options to put the more basic ones first.
14679         (Optimization Options): Move -fira-verbose and -flto-report* to
14680         new section.
14681         (Developer Options): New section incorporating moved options.
14682         * doc/cppopts.texi (-dM): Update cross-reference.
14683
14684 2016-01-18  Richard Henderson  <rth@redhat.com>
14685
14686         PR target/69176
14687         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
14688         operands to pseudo only if CSE is expected.  Split long immediate
14689         operands only after reload, and for the stack pointer.
14690         (*add<GPI>3_pluslong): Remove.
14691         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
14692         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
14693         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
14694         (*add<GPI>3 peepholes): New.
14695         (*add<GPI>3 splitters): New.
14696         * config/aarch64/constraints.md (Upl): New.
14697         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
14698
14699 2016-01-18  Richard Biener  <rguenther@suse.de>
14700
14701         PR tree-optimization/69297
14702         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
14703         stmt at most once.
14704         (vect_bb_vectorization_profitable_p): Clear visited flag again.
14705
14706 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
14707
14708         PR middle-end/68542
14709         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
14710         of mixind vector and scalar types.
14711         (fold_relational_const): Add handling of vector
14712         comparison with boolean result.
14713         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
14714         comparison of vector operands with boolean result for EQ/NE only.
14715         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
14716         (verify_gimple_cond): Likewise.
14717         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
14718         valid type of VAL.
14719
14720 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
14721
14722         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
14723         !TARGET_OCTEON.
14724
14725 2016-01-18  Richard Biener  <rguenther@suse.de>
14726
14727         PR middle-end/69308
14728         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
14729
14730 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14731
14732         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
14733
14734 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14735
14736         * omp-low.c (set_oacc_fn_attrib): Make extern.
14737         * omp-low.h (set_oacc_fn_attrib): Declare.
14738         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
14739         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
14740         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
14741         Add and handle function parameter oacc_kernels_p.
14742         (find_reduc_addr, get_omp_data_i_param): New function.
14743         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
14744         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
14745         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
14746         Calculate dominance info.  Skip loops that are not in a kernels region
14747         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
14748         (pass_parallelize_loops::execute): Call parallelize_loops with
14749         oacc_kernels_p argument.
14750         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
14751         New member function.
14752         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
14753         * passes.def: Add argument to pass_parallelize_loops instantation.
14754
14755 2016-01-18  Tom de Vries  <tom@codesourcery.com>
14756
14757         * tree-parloops.c (pass_parallelize_loops::execute): Allow
14758         pass_parallelize_loops to be run outside the loop pipeline.
14759
14760 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14761
14762         * tree-scalar-evolution.c (follow_copies_to_constant): New.
14763         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
14764
14765 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14766
14767         PR target/63679
14768         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
14769         using get_ref_base_and_extent.
14770         (equal_mem_array_ref_p): New.
14771         (hashable_expr_equal_p): Add call to previous.
14772
14773 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
14774
14775         PR target/63679
14776         * tree-sra.c (disqualified_constants, constant_decl_p): New.
14777         (sra_initialize): Allocate disqualified_constants.
14778         (sra_deinitialize): Free disqualified_constants.
14779         (disqualify_candidate): Update disqualified_constants when appropriate.
14780         (create_access): Scan for constant-pool entries as we go along.
14781         (scalarizable_type_p): Add check against type_contains_placeholder_p.
14782         (maybe_add_sra_candidate): Allow constant-pool entries.
14783         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
14784         (initialize_constant_pool_replacements): New.
14785         (sra_modify_assign): Avoid mangling assignments created by previous,
14786         and don't generate writes into constant pool.
14787         (sra_modify_function_body): Call initialize_constant_pool_replacements.
14788
14789 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
14790
14791         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
14792         andnot instruction.
14793         (scalar_chain::convert_op): Likewise.
14794         * config/i386/i386.md (*andndi3_doubleword): New.
14795
14796 2016-01-18  Richard Biener  <rguenther@suse.de>
14797
14798         PR tree-optimization/69170
14799         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
14800         building a vector from scalar results of a pattern stmt.
14801
14802 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
14803
14804         * haifa-sched.c (autopref_multipass_init): Work around
14805         -Wmaybe-uninitialized warning.
14806
14807 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14808
14809         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
14810         against the constant 0.
14811
14812 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
14813
14814         PR tree-optimization/68799
14815         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
14816         look up phi candidates in the statement-candidate map.
14817         (phi_add_costs): Likewise.
14818         (record_phi_increments): Likewise.
14819         (phi_incr_cost): Likewise.
14820         (ncd_with_phi): Likewise.
14821         (all_phi_incrs_profitable): Likewise.
14822
14823 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
14824
14825         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
14826         -Wmaybe-uninitialized warning.
14827
14828 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
14829
14830         * doc/invoke.texi (Invoking GCC): Add new section to menu.
14831         (Option Summary): Update to reflect new section and moved options.
14832         (C++ Dialect Options): Move -fvtable-verify and related options.
14833         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
14834         and profiling-related options.
14835         (Optimization Options): Move profile generation options and
14836         -fstack-protector and related options.
14837         (Instrumentation Options): New section incorporating moved options.
14838         (Code Generation Options): Move -finstrument-functions and
14839         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
14840
14841 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14842
14843         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
14844
14845 2016-01-16  Tom de Vries  <tom@codesourcery.com>
14846
14847         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
14848
14849 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
14850
14851         * hash-table.h (hash_table::empty): Turn into an inline wrapper
14852         that checks whether the table is already empty.  Rename the
14853         original implementation to...
14854         (hash_table::empty_slot): ...this new private function.
14855
14856 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
14857
14858         PR diagnostic/68899
14859         * diagnostic-show-locus.c (layout::print_source_line): Move x
14860         offset of line until after call to
14861         get_line_width_without_trailing_whitespace.
14862
14863 2016-01-15  Jeff Law  <law@redhat.com>
14864
14865         PR tree-optimization/69270
14866         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
14867         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
14868         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
14869         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
14870         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
14871         ssa_name_has_boolean_range and constant_boolean_node.
14872
14873 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
14874
14875         PR rtl-optimization/69030
14876         * lra-spills.c (remove_pseudos): Check nrefs and make the function
14877         returning bool.
14878         (spill_pseudos): Delete debug insn for dead pseudo.
14879         (lra_spill): Initiate spill_hard_reg and slots memory separately.
14880
14881 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
14882
14883         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
14884         New.
14885         (TYPES_UNOPUS): Likewise.
14886         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
14887         builtin type, from UNOP to UNOPUS.
14888         (lbtruncuv4sf): Likewise.
14889         (lbtruncuv2df): Likewise.
14890         (lrounduv2sf): Likewise.
14891         (lrounduv4sf): Likewise.
14892         (lrounduv2df): Likewise.
14893         (lroundusf): Likewise.
14894         (lroundusf): Likewise.
14895         (lceiluv2sf): Likewise.
14896         (lceiluv4sf): Likewise.
14897         (lceiluv2df): Likewise.
14898         (lceilusf): Likewise.
14899         (lceiludf): Likewise.
14900         (lflooruv2sf): Likewise.
14901         (lflooruv4sf): Likewise.
14902         (lflooruv2df): Likewise.
14903         (lfloorusf): Likewise.
14904         (lfloorudf): Likewise.
14905         (lfrintnuv2sf): Likewise.
14906         (lfrintnuv4sf): Likewise.
14907         (lfrintnuv2df): Likewise.
14908         (lfrintnusf): Likewise.
14909         (lfrintnudf): Likewise.
14910         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
14911         conversion.
14912         (vcvtq_u32_f32): Likewise.
14913         (vcvtq_u64_f64): Likewise.
14914         (vcvta_u32_f32): Likewise.
14915         (vcvtaq_u32_f32): Likewise.
14916         (vcvtaq_u64_f64): Likewise.
14917         (vcvtm_u32_f32): Likewise.
14918         (vcvtmq_u32_f32): Likewise.
14919         (vcvtmq_u64_f64): Likewise.
14920         (vcvtn_u32_f32): Likwise.
14921         (vcvtnq_u32_f32): Likewise.
14922         (vcvtnq_u64_f64): Likewise.
14923         (vcvtp_u32_f32): Likewise.
14924         (vcvtpq_u32_f32): Likewise.
14925         (vcvtpq_u64_f64): Likewise.
14926         (vcvtmd_u64_f64): Likewise.
14927         (vcvtms_u32_f32): Likewise.
14928         (vcvtad_u64_f64): Likewise.
14929         (vcvtas_u32_f32): Likewise.
14930         (vcvtnd_u64_f64): Likewise.
14931         (vcvtns_u32_f32): Likewise.
14932         (vcvtpd_u64_f64): Likewise.
14933         (vcvtps_u32_f32): Likewise.
14934
14935 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14936
14937         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
14938         CSEL of zero_extended registers.
14939
14940 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14941
14942         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
14943         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
14944
14945 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
14946
14947         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
14948         false when argument string is not found in the attributes table
14949         at all.
14950
14951 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
14952
14953         PR target/68609
14954         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
14955         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
14956         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
14957         precision estimate.
14958
14959 2016-01-15  Richard Biener  <rguenther@suse.de>
14960
14961         PR tree-optimization/66856
14962         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
14963         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
14964         (vect_create_new_slp_node): Increment stmt reference count.
14965         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
14966         an SLP tree before swapping operands.
14967         (vect_build_slp_tree): Likewise.
14968         (destroy_bb_vec_info): Free stmt info after SLP instances.
14969         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
14970         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
14971         (STMT_VINFO_NUM_SLP_USES): New macro.
14972
14973 2016-01-15  Richard Biener  <rguenther@suse.de>
14974
14975         PR debug/69137
14976         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
14977         (add_linkage_name): ... here.
14978         (gen_typedef_die): Use add_linkage_name_raw instead of
14979         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
14980         if necessary.
14981
14982 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
14983
14984         * gimplify.c (oacc_default_clause): Decode reference and pointer
14985         types for both kernels and parallel regions.
14986
14987 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
14988
14989         PR middle-end/69246
14990         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
14991
14992 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
14993
14994         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
14995         (convert_scalars_to_vector): Likewise.
14996
14997 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
14998
14999         * doc/extend.texi (Type Traits): Fix grammar.
15000
15001 2016-01-15  Martin Jambor  <mjambor@suse.cz>
15002
15003         * tree-inline.c (remap_decl): Use existing dclarations if
15004         remapping a type and prevent_decl_creation_for_types.
15005         (replace_locals_stmt): Do an initial remapping of non-VLA typed
15006         decls first.  Do real remapping with
15007         prevent_decl_creation_for_types set.
15008         * tree-inline.h (copy_body_data): New field
15009         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
15010         padding.
15011
15012 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15013
15014         * config/s390/s390.opt (mmvcle): More verbose help text.
15015
15016 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
15017
15018         * config/s390/s390.opt: Add period to -mzvector option text.
15019
15020 2016-01-15  Richard Biener  <rguenther@suse.de>
15021
15022         PR tree-optimization/68961
15023         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
15024         of invariants in stores again.
15025
15026 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
15027
15028         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
15029
15030 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
15031
15032         * config/i386/i386.c (ix86_expand_branch): Don't split
15033         DI mode xor instruction to SI mode.
15034
15035 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15036
15037         PR ipa/68148
15038         * ipa-icf.c (sem_function::merge): Virtual functions may become
15039         reachable even if they address is not taken and there are no
15040         idrect calls.
15041
15042 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
15043
15044         * lto-streamer-out.c (subtract_estimated_size): New function.
15045         (get_symbol_initial_value): Use it.
15046
15047 2016-01-15  Christian Bruel  <christian.bruel@st.com>
15048
15049         PR target/65837
15050         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
15051         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
15052         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
15053         use add_builtin_function_ext_scope instead of add_builtin_function.
15054         (neon_set_p, neon_crypto_set_p): Remove.
15055         (arm_init_builtins): Always call arm_init_neon_builtins and
15056         arm_init_crypto_builtins.
15057         (arm_expand_builtin): Check that builtins are allowed for the arch.
15058         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
15059         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
15060         arm_init_neon_builtins call.
15061
15062 2016-01-15  Richard Biener  <rguenther@suse.de>
15063
15064         PR tree-optimization/69117
15065         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
15066         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
15067         of the leader conservatively.
15068         (free_scc_vn): Restore original SSA name infos.
15069
15070 2016-01-14  Jeff Law  <law@redhat.com>
15071
15072         PR tree-optimization/69270
15073         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
15074         single bit of precision, verify it's also unsigned.
15075         (record_edge_info): Use constant_boolean_node rather than fold_convert
15076         to convert boolean_true/boolean_false to the right type.
15077
15078 2016-01-14  Richard Henderson  <rth@redhat.com>
15079
15080         PR rtl-opt/69014
15081         * loop-doloop.c (record_reg_sets): New.
15082         (doloop_optimize): Reject the transform if the sequence
15083         clobbers registers live at the end of the loop block.
15084         (doloop_optimize_loops): Enable df_live if needed.
15085
15086 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
15087
15088         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
15089         * config/rs6000/rs6000.c: Likewise.
15090         * config/rs6000/rs6000.h: Likewise.
15091         * config/rs6000/rs6000.md: Likewise.
15092         * doc/extend.texi: Likewsie.
15093
15094 2016-01-14  Jeff Law  <law@redhat.com>
15095
15096         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
15097         typo.
15098
15099 2016-01-14  Richard Henderson  <rth@redhat.com>
15100
15101         PR c/69272
15102         PR tree-opt/68964
15103         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
15104         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
15105         instead of builtin_decl_declared_p to test for declaration.
15106
15107 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
15108
15109         * doc/loop.texi (Loop Analysis and Representation): Document
15110         loop_depth function.
15111
15112 2016-01-14  Tom de Vries  <tom@codesourcery.com>
15113
15114         PR tree-optimization/68773
15115         * omp-low.c (expand_omp_target): Don't set force_output.
15116         * varpool.c (varpool_node::get_create): Same.
15117         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
15118         offload_funcs with force_output.
15119
15120 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15121
15122         PR debug/69244
15123         * lra-eliminations.c (move_plus_up): Don't change anything if either
15124         the outer or inner subreg mode is not MODE_INT.
15125         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
15126         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
15127
15128 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15129
15130         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
15131         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
15132         reduc_uplus_@var{m}): Remove.
15133         * expr.c (expand_expr_real_2): Remove expansion path for
15134         reduc_[us](min|max|plus) optabs.
15135         * optabs-tree.c (scalar_reduc_to_vector): Remove.
15136         * optabs-tree.h (scalar_reduc_to_vector): Remove.
15137         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
15138         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
15139         * tree-vect-loop.c (vectorizable_reduction): Remove test for
15140         reduc_[us](min|max|plus) optabs.
15141
15142 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
15143
15144         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
15145         (reduc_plus_scal_v2sf): New.
15146         (reduc_smax_v2sf): Rename to...
15147         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
15148         (reduc_smin_v2sf): Rename to...
15149         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
15150
15151 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
15152
15153         * alias.c (compare_base_symbol_refs): New function.
15154         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
15155         it.
15156
15157 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15158
15159         PR middle-end/68146
15160         PR tree-optimization/69155
15161         * tree-complex.c: Include cfganal.h.
15162         (phis_to_revisit): New variable.
15163         (extract_component): Add phiarg_p argument.  Assert that returned
15164         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
15165         (update_phi_components): Partly rewrite to use loop over real/imag
15166         components instead of code duplication.  If extract_component returns
15167         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
15168         create_tmp_reg into the PHI node instead, and mention the phi triplet
15169         in phis_to_revisit.
15170         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
15171         in phis_to_revisit at the end.
15172
15173 2016-01-14  Richard Biener  <rguenther@suse.de>
15174
15175         PR tree-optimization/68060
15176         * tree-vect-loop.c (vect_is_simple_reduction): Check the
15177         outer loop reduction is only used in the inner loop before
15178         detecting a double reduction.
15179
15180 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
15181
15182         PR target/68269
15183         * combine.c (expand_field_assignment): Punt if compute_mode is
15184         unsupported scalar mode.
15185
15186 2016-01-14  Richard Biener  <rguenther@suse.de>
15187
15188         PR tree-optimization/66856
15189         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
15190         SLP node only if it built successfully.
15191         (vect_analyze_slp_instance): Adjust.
15192
15193 2016-01-14  Jeff Law  <law@redhat.com>
15194
15195         PR tree-optimization/69270
15196         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
15197         (record_edge_info): Use it.  Convert boolean_{true,false}_node
15198         to the type of op0.
15199
15200 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
15201
15202         PR ipa/66487
15203         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
15204         use block_ultimate_origin
15205         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
15206
15207 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15208
15209         * doc/invoke.texi (Submodel Options): Rename section to
15210         "Machine-Dependent Options" to better reflect its content.
15211         Rewrite introductory text to remove archaic CPU names.
15212         Update references.
15213
15214 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
15215
15216         * doc/invoke.texi (Code Gen Options): Move section up in file,
15217         before target-specific options.  Update menu and option summary
15218         to reflect the new section ordering.
15219
15220 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15221
15222         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
15223         (C++ Dialect Options): Add cross-reference to -std option.
15224         * doc/standards.texi (C++ Language): Document C++14 support.
15225
15226 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
15227
15228         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
15229         for pack/unpack functions for __ibm128.
15230         (PACK_IF): Likewise.
15231         (UNPACK_IF): Likewise.
15232
15233         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
15234         support for __ibm128 pack/unpack functions.
15235         (rs6000_invalid_builtin): Likewise.
15236         (rs6000_init_builtins): Likewise.
15237         (rs6000_opt_masks): Likewise.
15238
15239         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
15240         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
15241         functions
15242         (RS6000_BTM_COMMON): Likewise.
15243
15244         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
15245         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
15246         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
15247         128-bit floating point.  Add support for the double values to be
15248         in Altivec registers for TF/IF packing and unpacking, but restrict
15249         TD packing sub-fields to be FPR registers.  Don't allow overlapped
15250         register support for packing.  Allow pack inputs to be memory
15251         locations.  Don't build generator functions for unpack<mode>_dm
15252         and unpack<mode>_nodm.
15253         (unpack<mode>_dm): Likewise.
15254         (unpack<mode>_nodm): Likewise.
15255         (pack<mode>): Likewise.
15256
15257         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
15258         built-in functions to pack/unpack explicit __ibm128 values.
15259         (__builtin_unpack_ibm128): Likewise.
15260
15261         * doc/extend.texi (PowerPC Built-in Functions): Document
15262         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
15263
15264 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
15265
15266         PR c/66208
15267         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
15268         Add new arg loc and pass it down as context.
15269         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
15270         to the location to use for the warning.
15271         (check_function_arguments): New arg loc.  All callers changed.  Pass
15272         it to check_function_nonnull.
15273         * c-common.h (check_function_arguments): Adjust declaration.
15274
15275 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
15276
15277         PR tree-optimization/69156
15278         * gimple.c (validate_type): Removed.
15279         (gimple_builtin_call_types_compatible_p): Use
15280         useless_type_conversion_p instead of validate_type.
15281         * value-prof.c (gimple_stringop_fixed_value): Fold
15282         icall_size to correct type.
15283
15284 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
15285
15286         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
15287         effects.
15288
15289 2016-01-13  Richard Henderson  <rth@redhat.com>
15290
15291         PR tree-opt/68964
15292         * target.def (builtin_tm_load, builtin_tm_store): Remove.
15293         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
15294         (ix86_builtin_tm_store): Remove.
15295         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15296         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15297         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
15298         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
15299         * doc/tm.texi: Rebuild.
15300
15301         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
15302         (BUILT_IN_TM_MEMCPY_RTWN): New.
15303         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
15304         fallback from vector to integer helpers.
15305         (build_tm_load): Handle vector types directly, instead of
15306         via target hook.
15307         (build_tm_store): Likewise.
15308         (expand_assign_tm): Prepare for register types not handled by
15309         the above.  Copy them to memory and use memcpy.
15310         * tree.c (tm_define_builtin): New.
15311         (find_tm_vector_type): New.
15312         (build_tm_vector_builtins): New.
15313         (build_common_builtin_nodes): Call it.
15314
15315 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
15316
15317         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
15318         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
15319
15320 2016-01-13  Tom de Vries  <tom@codesourcery.com>
15321
15322         PR tree-optimization/69169
15323         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
15324         handled_struct_type param.
15325         (create_variable_info_for, intra_create_variable_infos): Call
15326         create_variable_info_for_1 with extra arg.
15327
15328 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
15329
15330         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
15331         and "armv8.1-a+crc" entries.
15332
15333 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
15334
15335         PR target/69228
15336         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
15337         Change first operand predicate from register_or_constm1_operand
15338         to register_operand.
15339         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
15340         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
15341         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
15342         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
15343         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
15344         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
15345         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
15346         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
15347         comparison with constm1_rtx from vec_prefetch_gen part.
15348
15349 2016-01-13  Richard Biener  <rguenther@suse.de>
15350
15351         PR tree-optimization/69013
15352         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
15353         Exchange assert for a test.
15354
15355 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
15356
15357         PR target/69247
15358         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
15359
15360 2016-01-13  Richard Biener  <rguenther@suse.de>
15361
15362         PR tree-optimization/69242
15363         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
15364         assert with a check.
15365
15366 2016-01-13  Richard Biener  <rguenther@suse.de>
15367
15368         PR tree-optimization/69186
15369         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
15370         Properly guard vect_update_misalignment_for_peel call.
15371
15372 2016-01-12  Jeff Law  <law@redhat.com>
15373
15374         PR tree-optimization/pr67755
15375         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
15376         "need_profile_correction".
15377         (thread_block_1): Initialize new field to false by default.  If we
15378         have multiple thread paths through a common joiner to different
15379         final targets, then set new field to true.
15380         (compute_path_counts): Only do count adjustment when it's really
15381         needed.
15382
15383 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15384
15385         * doc/invoke.texi (Spec Files): Move section down in file, past
15386         all command-line option descriptions.
15387
15388 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15389
15390         PR middle-end/54809
15391         * doc/gty.texi: Remove documentation of mark_hook.
15392         * gengtype.c (struct write_types_data): Remove code to support
15393         mark_hook attribute.
15394         (walk_type): Likewise.
15395         (write_func_for_structure): Likewise.
15396
15397 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15398
15399         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
15400         Directory Options, and -specs= to Overall Options.
15401         (Overall Options): Adjust similarly.  Reorder to group related
15402         options together.  Make -specs= cross-reference the spec file details.
15403         (Directory Options): Adjust similarly.
15404
15405 2016-01-12  Jeff Law  <law@redhat.com>
15406
15407         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
15408
15409 2016-01-12  Olivier Hainque  <hainque@adacore.com>
15410
15411         * gcc.c (spec_undefvar_allowed): New global.
15412         (process_command): Set to true when running for --version or --help,
15413         alone or together.
15414         (getenv_spec_function): When the variable is not defined, use the
15415         variable name as the variable value if we're allowed not to issue
15416         a fatal error.
15417
15418 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
15419
15420         PR tree-optimization/68911
15421         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
15422         information computed for expression "init + nit * step".
15423
15424 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
15425
15426         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
15427         about name of GCC executable.  Remove deleted node from menu.
15428         (Directory Options) <-B>: Remove cross-reference to deleted node.
15429         (Target Options): Delete section.
15430
15431 2016-01-12  Christian Bruel  <christian.bruel@st.com>
15432
15433         PR target/69180
15434         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
15435         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
15436
15437 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
15438
15439         PR target/69198
15440         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
15441         aligned_mem is properly set for AVX512-VL floating point masked
15442         stores.
15443
15444         PR target/69175
15445         * ifcvt.c (cond_exec_process_if_block): When removing the last
15446         insn from then_bb, remove also any possible barriers that follow it.
15447
15448 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
15449
15450         PR target/68456
15451         PR target/69226
15452         * config/i386/iamcu.h (SIZE_TYPE): New macro.
15453         (PTRDIFF_TYPE): Likewise.
15454         (WCHAR_TYPE): Likewise.
15455         (WCHAR_TYPE_SIZE): Likewise.
15456         (STDINT_LONG32): Likewise.
15457
15458 2016-01-12  Richard Biener  <rguenther@suse.de>
15459
15460         PR tree-optimization/69053
15461         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
15462         convert initial value for cond reductions.
15463
15464 2016-01-12  Richard Biener  <rguenther@suse.de>
15465
15466         PR tree-optimization/69007
15467         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
15468         widen_sum after dot_prod and sad.
15469
15470 2016-01-12  Richard Biener  <rguenther@suse.de>
15471
15472         PR tree-optimization/69168
15473         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
15474         pattern stmt SLP type.
15475         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
15476         end up unused so cope with that case.
15477
15478 2016-01-12  Richard Biener  <rguenther@suse.de>
15479
15480         PR tree-optimization/69157
15481         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
15482         stmts def type only during analyze phase.
15483         (vectorizable_call): Likewise.
15484         (vectorizable_simd_clone_call): Likewise.
15485         (vectorizable_conversion): Likewise.
15486         (vectorizable_assignment): Likewise.
15487         (vectorizable_shift): Likewise.
15488         (vectorizable_operation): Likewise.
15489         (vectorizable_store): Likewise.
15490         (vectorizable_load): Likewise.
15491
15492 2016-01-12  Richard Biener  <rguenther@suse.de>
15493
15494         PR tree-optimization/69174
15495         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
15496         space.
15497         (vectorizable_load): Properly compute the number of loads needed
15498         for permuted strided SLP loads and do not spuriously assign
15499         to SLP_TREE_VEC_STMTS.
15500
15501 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
15502
15503         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
15504         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
15505         (MD_EXEC_PREFIX): Remove.
15506         (MD_STARTFILE_PREFIX) Removee.
15507         (FILE_NAME_ABSOLUTE_P): Remove.
15508         (CPP_SPEC): Do not read macros from sys/version.h.
15509         (LINK_COMMAND_SPEC): Remove.
15510         (LOCAL_INCLUDE_DIR): Remove.
15511         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
15512         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
15513         (POST_LINK_SPEC): Define to invoke stubify after linker
15514         (LIBSTDCXX): Remove define
15515         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
15516         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
15517         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
15518         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
15519         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
15520         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
15521         (i386_djgpp_asm_named_section): Add propotype of new procedure
15522
15523         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
15524         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
15525         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
15526         in config/i386/djgpp.h).
15527         (STANDARD_STARTFILE_PREFIX_2): Define identical to
15528         STANDARD_STARTFILE_PREFIX_1.
15529         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
15530         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
15531         installation errors.
15532         (MAX_OFILE_ALIGNMENT): Define to 128.
15533         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
15534
15535         * config/i386/djgpp.c: New file. Add implementation of
15536         i386_djgpp_asm_named_section.
15537
15538         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
15539
15540         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
15541         Add rule for building djgpp.o.
15542
15543 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15544
15545         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
15546         (rtx_is_swappable_p): Reductions are swappable.
15547         (insn_is_swappable_p): V2DF reductions are swappable.
15548
15549 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
15550
15551         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
15552         reloads for other unsupported memory operands.
15553
15554 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
15555             Jim Wilson  <jim.wilson@linaro.org>
15556
15557         PR target/69194
15558         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
15559         copy_to_mode_reg instead of force_reg.
15560
15561 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15562
15563         PR target/69225
15564         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
15565         TARGET_80387 is true.
15566
15567 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
15568
15569         PR target/69071
15570         * lra-eliminations.c (move_plus_up): Only move plus up
15571         if subreg of the constant can be simplified into constant
15572         and use the simplified subreg of the constant instead of
15573         the original constant.
15574
15575         * fold-const.c (fold_convertible_p): Don't return true
15576         for conversion of VECTOR_TYPE to same sized integral type.
15577         (fold_convert_loc): Fix up formatting.  Fold conversion of
15578         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
15579         instead of NOP_EXPR.
15580
15581         PR tree-optimization/69214
15582         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
15583         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
15584         Formatting fix.
15585
15586         PR tree-optimization/69207
15587         * tree-vect-slp.c (vect_get_constant_vectors): For
15588         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
15589         fold_convertible_p to vector_type's element type, and always
15590         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
15591
15592 2016-01-11  Richard Biener  <rguenther@suse.de>
15593
15594         PR tree-optimization/69173
15595         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
15596         fixup the cycle if all stmts are in a pattern.
15597
15598 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
15599
15600         PR middle-end/68999
15601         * alias.c (base_alias_check): Move check for addresses with
15602         alignment ANDs before the call for compare_base_decls.
15603         (memrefs_conflict_p): Return -1 for different decls
15604         that went through alignment adjustments.
15605
15606 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15607
15608         PR rtl-optimization/68796
15609         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
15610         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
15611         and QImode comparisons against zero with CC_NZmode.
15612         * config/aarch64/iterators.md (short_mask): New mode_attr.
15613
15614 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
15615
15616         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
15617         (<avx512>_store<mode>_mask): Likewise.
15618
15619 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
15620             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
15621
15622         PR rtl-optimization/68841
15623         * ifcvt.c (struct noce_if_info): Add orig_x field.
15624         (bbs_ok_for_cmove_arith): Add to_rename parameter.
15625         Don't record conflicts on to_rename if it's present.
15626         Allow memory destinations in sets.
15627         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
15628         blocks, passing orig_x to the checks.
15629         (noce_process_if_block): Set if_info->orig_x appropriately.
15630
15631 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15632
15633         PR tree-optimization/69069
15634         * tree-parloops.c (create_parallel_loop): Add missing phi args.
15635
15636 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
15637
15638         PR rtl-optimization/68920
15639         * config/i386/i386.c (ix86_option_override_internal): Restrict number
15640         of conditional moves for  RTL if-conversion to 1 for
15641         TARGET_ONE_IF_CONV_INSN.
15642         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
15643         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
15644         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
15645         parameter to restirct number of conditional moves for
15646         RTL if-conversion.
15647         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
15648         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
15649         conditionl moves.
15650
15651 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
15652
15653         PR bootstrap/69123
15654         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
15655         onepart vars.  Fix typo in comment.  Fix reversed condition in
15656         unshare test.
15657         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
15658
15659         PR bootstrap/69123
15660         * var-tracking.c (dump_onepart_variable_differences): New.
15661         (dataflow_set_different): If a detailed dump is requested,
15662         delay early returns and dump differences between onepart
15663         variables present before and after, and added variables.
15664
15665 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
15666
15667         PR target/69010
15668         * expr.c (expand_expr_real_1): For boolean vector constants
15669         with a scalar mode use const_scalar_mask_from_tree.
15670         (const_scalar_mask_from_tree): New.
15671         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
15672         assigned to a mask type to handle constants.
15673
15674 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15675
15676         PR ipa/69044
15677         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
15678         useless parameters if we cannot change function signature.
15679
15680 2016-01-11  Martin Jambor  <mjambor@suse.cz>
15681
15682         PR ipa/66616
15683         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
15684         flag.
15685
15686 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15687
15688         PR tree-optimization/69109
15689         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
15690         latch with phi.
15691
15692 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15693
15694         PR tree-optimization/69108
15695         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
15696         res is not used in a phi.
15697
15698 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
15699
15700         PR 67425
15701         * common.opt (frandom-seed): Fix parameter name.
15702         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
15703
15704 2016-01-11  Tom de Vries  <tom@codesourcery.com>
15705
15706         PR tree-optimization/69058
15707         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
15708         not supported.
15709
15710 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
15711
15712         * config/arc/arc.opt (mdiv-rem): Add period to the end.
15713         (mcode-density): Likewise.
15714
15715 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15716
15717         PR tree-optimization/69062
15718         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
15719         (parallelize_loops): Don't paralelize loop that has phi with address
15720         arg.
15721
15722 2016-01-10  Tom de Vries  <tom@codesourcery.com>
15723
15724         PR tree-optimization/69039
15725         * tree-parloops.c (try_create_reduction_list): Only allow single exit
15726         phi for reduction.
15727
15728 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
15729
15730         PR middle-end/68743
15731         * match.pd: Require target has function_c99_misc before doing
15732         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
15733
15734 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
15735
15736         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
15737         use GMPINC.
15738         * configure: Regenerate.
15739
15740 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
15741
15742         PR middle-end/50865
15743         PR tree-optimization/69097
15744         * fold-const.h (expr_not_equal_to): New prototype.
15745         * fold-const.c: Include stringpool.h and tree-ssanames.h.
15746         (expr_not_equal_to): New function.
15747         * match.pd (X % -Y is the same as X % Y): Don't optimize
15748         unless X is known not to be equal to minimum or Y is known
15749         not to be equal to -1.
15750         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
15751         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
15752         (simplify_stmt_using_ranges): Adjust caller.
15753         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
15754         substitute_and_fold.
15755
15756 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
15757
15758         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
15759         w/o DECL_NAME.
15760
15761 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15762
15763         PR tree-optimization/69167
15764         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
15765         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
15766         ops[0] comparison.
15767         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
15768
15769 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15770             Richard Biener  <rguenther@suse.de>
15771
15772         PR tree-optimization/68707
15773         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
15774         instances that can be handled via vect_load_lanes.
15775
15776 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
15777
15778         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
15779         if we can't determine address equivalence.
15780         * alias.c (compare_base_decl): Update for changed return value of
15781         symtab_node::equal_address_to.
15782
15783 2016-01-08  Jason Merrill  <jason@redhat.com>
15784
15785         PR c++/68983
15786         PR c++/67557
15787         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
15788         * expr.c (store_field): Not here.
15789         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
15790         call with TREE_ADDRESSABLE type.
15791         * tree-cfg.c (verify_gimple_call): Adjust.
15792
15793 2016-01-08  Olivier Hainque  <hainque@adacore.com>
15794
15795         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
15796         libc_internal.
15797
15798 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
15799
15800         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
15801         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
15802         (reduc_smin_v2sf): Rename to...
15803         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
15804         (reduc_splus_v2sf): Rename to...
15805         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
15806
15807 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15808
15809         PR tree-optimization/69162
15810         * gimplify.c (gimplify_va_arg_expr): Encode original type of
15811         valist argument in another argument.
15812         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
15813         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
15814         to determine the va_list type, build a MEM_REF instead of
15815         build_fold_indirect_ref.
15816
15817         PR tree-optimization/69172
15818         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
15819         gimple_build.
15820
15821 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15822
15823         PR tree-optimization/67781
15824         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
15825         and cmpnop in two steps: first the ones not accessed in original
15826         gimple expression in a endian independent way and then the ones not
15827         accessed in the final result in an endian-specific way.
15828
15829 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
15830
15831         PR tree-optimization/69083
15832         * tree-vect-slp.c (vect_get_constant_vectors): For
15833         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
15834         element type.  If op is fold_convertible_p to vector_type's element
15835         type, use NOP_EXPR instead of VCE.
15836
15837 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
15838
15839         PR rtl-optimization/67778
15840         PR rtl-optimization/68634
15841         PR rtl-optimization/68909
15842         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
15843         block from the stack until done with it.  Remove a superfluous
15844         bitmap set.  Remove a superfluous bitmap test.
15845
15846 2016-01-07  Martin Sebor  <msebor@redhat.com>
15847
15848         PR c/68966
15849         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
15850         constraint on the type of arguments.
15851
15852 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
15853
15854         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
15855         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
15856         unaligned_access on the gcc_options set.
15857         * config/arm/arm.c (arm_option_override_internal): Use
15858         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
15859
15860 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15861
15862         PR target/69140
15863         * config/i386/i386.c (ix86_frame_pointer_required): Enable
15864         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
15865
15866 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
15867
15868         Revert
15869         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15870
15871         PR target/69140
15872         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15873         depending on frame_pointer_needed before remaining integer and SSE
15874         registers are saved.
15875
15876 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
15877
15878         PR 1078
15879         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
15880
15881 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
15882
15883         PR target/69171
15884         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
15885         Use the "xBm" constraint.
15886         (float<sseintvecmodelower><mode>2<mask_name><round_name):
15887         Likewise.
15888         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
15889         (sse_cvtsi2ssq<round_name>): Likewise.
15890         (sse_cvtss2si<round_name>): Likewise.
15891         (sse_cvtss2siq<round_name>): Likewise.
15892         (sse2_cvtsi2sdq<round_name>): Likewise.
15893         (sse2_cvtsd2si<round_name>): Likewise.
15894         (sse2_cvtsd2siq<round_name>): Likewise.
15895         * config/i386/subst.md (round_nimm_scalar_predicate): New
15896         predicate.
15897
15898 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
15899
15900         PR middle-end/67639
15901         * varasm.c (make_decl_rtl): Mark invalid register vars as
15902         DECL_EXTERNAL.
15903
15904         PR rtl-optimization/66206
15905         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
15906         All callers changed.
15907
15908 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
15909
15910         PR tree-optimization/69141
15911         * tree-ssa-pre.c: Include langhooks.h.
15912         (eliminate_dom_walker::before_dom_children): Use
15913         lang_hooks.decl_printable_name instead of
15914         cgraph_node::get ()->name ().
15915
15916         PR middle-end/68960
15917         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
15918         it and DECL_ALIGN too.
15919
15920 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
15921
15922         * config/mips/mips-ftypes.def: Sort to lexicographical order.
15923
15924 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
15925
15926         PR target/69140
15927         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
15928         depending on frame_pointer_needed before remaining integer and SSE
15929         registers are saved.
15930
15931 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15932
15933         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
15934         mode iterator with VSX_M2.
15935         (*p9_vecstore_<mode>): Likewise.
15936         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
15937         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
15938         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
15939         (define_split for VSX_LE128 stores): Likewise.
15940         (define_peephole2 for TImode LE swaps): Likewise.
15941         (define_split for VSX_LE128 post-reload stores): Likewise.
15942
15943 2016-01-06  Marek Polacek  <polacek@redhat.com>
15944
15945         PR sanitizer/69099
15946         * convert.c (convert_to_integer_1): Adjust call to
15947         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
15948         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
15949         EXPR instead of ARG.
15950         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
15951
15952 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15953
15954         PR 1078
15955         * doc/extend.texi (RL78 Variable Attributes): New section.
15956
15957 2016-01-05  Marek Polacek  <polacek@redhat.com>
15958
15959         PR c/69104
15960         * builtins.c (get_memmodel): Use expansion point location rather than
15961         the input location.  Call warning_at rather than warning.
15962         (expand_builtin_atomic_compare_exchange): Likewise.
15963         (expand_builtin_atomic_load): Likewise.
15964         (expand_builtin_atomic_store): Likewise.
15965         (expand_builtin_atomic_clear): Likewise.
15966
15967 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
15968
15969         PR target/68991
15970         * config/i386/i386.c (ix86_expand_vector_logical_operator):
15971         Replace nonimmediate_operand with vector_operand.
15972         * config/i386/predicates.md (vector_operand): New predicate.
15973         (general_vector_operand): Replace nonimmediate_operand with
15974         vector_operand.
15975         * config/i386/sse.md: Replace nonimmediate_operand with
15976         vector_operand and m constraint with Bm constraint on SSE
15977         patterns with 16-byte memory operand.
15978         * config/i386/subst.md (round_nimm_predicate): Replace
15979         nonimmediate_operand with vector_operand.
15980         (round_saeonly_nimm_predicate): Likewise.
15981         (round_saeonly_nimm_scalar_predicate): New.
15982
15983 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
15984
15985         PR target/68991
15986         * config/i386/constraints.md (Bm): New constraint.
15987         * config/i386/predicates.md (vector_memory_operand): New
15988         predicate.
15989         * config/i386/sse.md: Replace xm with xBm in plusminus and
15990         any_logic patterns.
15991
15992 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15993
15994         PR 1078
15995         * doc/extend.texi (V850 Function Attributes): New section.
15996         (V850 Variable Attributes): New section.
15997
15998 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
15999
16000         PR 1078
16001         * doc/extend.texi (MicroBlaze Function Attributes): Document
16002         interrupt_handler and fast_interrupt attributes.
16003
16004 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
16005
16006         PR other/60465
16007         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
16008         for local symbolic operands.
16009         * config/ia64/predicates.md (local_symbolic_operand64): New
16010         predicate.
16011
16012 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
16013
16014         PR rtl-optimization/68651
16015         * combine.c (combine_simplify_rtx): Canonicalize x + x into
16016         x << 1.
16017
16018 2016-01-05  Nathan Sidwell  <nathan@acm.org>
16019
16020         * alias.c (compare_base_decls): Use symtab_node::get.
16021
16022 2016-01-05  Nick Clifton  <nickc@redhat.com>
16023
16024         PR target/68770
16025         * ira-costs.c (copy_cost): Initialise the t_icode field of the
16026         secondary_reload_info structure.
16027
16028         PR target/66655
16029         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
16030         decls if weak support is available.
16031
16032 2016-01-04  Martin Sebor  <msebor@redhat.com>
16033
16034         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
16035
16036 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
16037
16038         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
16039         OPTION_MASK_P9_DFORM.
16040
16041         * config/rs6000/constraints.md (wo constraint): New constraint for
16042         ISA 3.0 (power9).
16043
16044         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
16045         for wo constraint.
16046         (rs6000_init_hard_regno_mode_ok): Likewise.
16047
16048         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
16049         wo constraint.
16050
16051         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
16052         expanders not to have constraints.  Add support for ISA 3.0 xxperm
16053         instruction.  Add support for fusing xxlor with xxperm.
16054         (altivec_vperm_<mode>_internal): Likewise.
16055         (altivec_vperm_v8hiv16qi): Likewise.
16056         (altivec_vperm_<mode>v16q): Likewise.
16057         (altivec_vperm_<mode>_uns): Likewise.
16058         (vperm_v8hiv4si): Likewise.
16059         (vperm_v16qiv8hi): Likewise.
16060
16061         * doc/md.texi (RS/6000 constraints): Document wo constraint.
16062
16063 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
16064
16065         Update copyright years.
16066
16067         * gcc.c (process_command): Update copyright notice dates.
16068         * gcov-dump.c (print_version): Ditto.
16069         * gcov.c (print_version): Ditto.
16070         * gcov-tool.c (print_version): Ditto.
16071         * gengtype.c (create_file): Ditto.
16072         * doc/cpp.texi: Bump @copying's copyright year.
16073         * doc/cppinternals.texi: Ditto.
16074         * doc/gcc.texi: Ditto.
16075         * doc/gccint.texi: Ditto.
16076         * doc/gcov.texi: Ditto.
16077         * doc/install.texi: Ditto.
16078         * doc/invoke.texi: Ditto.
16079
16080 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16081
16082         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
16083         modes larger than TImode as TImode if NEON is not enabled.
16084
16085 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16086
16087         PR target/69100
16088         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
16089         mode for %f0-%f31 only if TARGET_FPU.
16090
16091 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
16092
16093         PR target/69072
16094         * config/sparc/sparc.c (scan_record_type): Take into account subfields
16095         to compute the PACKED_P predicate.
16096         (function_arg_record_value): Minor tweaks.
16097
16098 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16099
16100         * doc/install.texi (--with-multilib-list): Describe the meaning of the
16101         option for arm*-*-* targets.
16102
16103 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
16104
16105         * doc/extend.texi (Common Function Attributes): Move docs for
16106         MSP430-specific attributes to....
16107         (MSP430 Function Attributes): ...here.  Delete the redundant
16108         entries and copy-edit the remaining text.
16109         (MSP430 Variable Attributes): Use uniform format for index
16110         entries and add a cross-reference to the corresponding function
16111         attribute docs.
16112
16113 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
16114
16115         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
16116         -finite-math typo.
16117         (x86 Options): Likewise.
16118
16119 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16120
16121         PR 1078
16122
16123         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
16124         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
16125         to corresponding attribute.
16126
16127 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
16128
16129         * doc/extend.texi (Common Function Attributes) <noplt>: Move
16130         to correct alphabetization of table.  Copy-edit and correct
16131         markup.
16132         <stack_protect>: Likewise.
16133         <target_clones>: Likewise.
16134         <simd>: Likewise.
16135         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
16136         Correct punctuation.
16137         (Code Gen Options) <-fno-plt>: Copy-edit.
16138
16139 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16140
16141         PR target/68917
16142         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
16143         SI values.  Explicitly convert SI to DI and vice-versa.
16144
16145 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
16146
16147         PR tree-optimization/69070
16148         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
16149         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
16150
16151         PR sanitizer/69055
16152         * ubsan.c (ubsan_instrument_float_cast): Call
16153         initialize_sanitizer_builtins.
16154
16155         PR target/69015
16156         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
16157 \f
16158 Copyright (C) 2016 Free Software Foundation, Inc.
16159
16160 Copying and distribution of this file, with or without modification,
16161 are permitted in any medium without royalty provided the copyright
16162 notice and this notice are preserved.