gcc/ChangeLog

   1 2016-04-30  Alan Modra  <amodra@gmail.com>
   2
   3         * ira.c (pdx_subregs): Delete.
   4         (struct equivalence): Add pdx_subregs field.
   5         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
   6         pdx_subregs access.
   7         (update_equiv_regs): Don't create or free pdx_subregs.  Update
   8         pdx_subregs access.
   9
  10 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
  11
  12         * config/rs6000/altivec.h: Change definitions of vec_xl and
  13         vec_xst.
  14         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
  15         (LD_ELEMREV_V2DI): New.
  16         (LD_ELEMREV_V4SF): New.
  17         (LD_ELEMREV_V4SI): New.
  18         (LD_ELEMREV_V8HI): New.
  19         (LD_ELEMREV_V16QI): New.
  20         (ST_ELEMREV_V2DF): New.
  21         (ST_ELEMREV_V2DI): New.
  22         (ST_ELEMREV_V4SF): New.
  23         (ST_ELEMREV_V4SI): New.
  24         (ST_ELEMREV_V8HI): New.
  25         (ST_ELEMREV_V16QI): New.
  26         (XL): New.
  27         (XST): New.
  28         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
  29         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
  30         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
  31         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
  32         (altivec_expand_builtin): Add handling for
  33         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
  34         (rs6000_invalid_builtin): Add error-checking for
  35         RS6000_BTM_P9_VECTOR.
  36         (altivec_init_builtins): Define builtins used to implement vec_xl
  37         and vec_xst.
  38         (rs6000_builtin_mask_names): Define power9-vector.
  39         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
  40         (RS6000_BTM_P9_VECTOR): Define.
  41         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
  42         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
  43         (vsx_ld_elemrev_v2df): Likewise.
  44         (vsx_ld_elemrev_v4sf): Likewise.
  45         (vsx_ld_elemrev_v4si): Likewise.
  46         (vsx_ld_elemrev_v8hi): Likewise.
  47         (vsx_ld_elemrev_v16qi): Likewise.
  48         (vsx_st_elemrev_v2df): Likewise.
  49         (vsx_st_elemrev_v2di): Likewise.
  50         (vsx_st_elemrev_v4sf): Likewise.
  51         (vsx_st_elemrev_v4si): Likewise.
  52         (vsx_st_elemrev_v8hi): Likewise.
  53         (vsx_st_elemrev_v16qi): Likewise.
  54         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
  55         grammar.
  56
  57 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
  58
  59         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
  60         out into ...
  61         (simplify_control_stmt_condition_1): ... here.  Recurse into
  62         BIT_AND_EXPRs and BIT_IOR_EXPRs.
  63
  64 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
  65
  66         PR target/69810
  67         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
  68         (zero_extendqi<mode>2_dot): Revert earlier conversion from
  69         define_insn_and_split to define_insn.
  70         (zero_extendqi<mode>2_dot2): Same.
  71         (extendqi<mode>2_dot): Same.
  72         (extendqi<mode>2_dot2): Same.
  73
  74 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
  75
  76         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
  77         (probe_stack): New expander.
  78         (probe_stack_<mode>): New insn pattern.
  79
  80 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
  81
  82         * config/i386/i386.md
  83         (operations with memory inputs setting flags peephole2):
  84         Remove uneeded REG_P checks.  Cleanup pattern generation.
  85
  86 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
  87
  88         * tree-vect-loop.c (vect_transform_loop): Fix
  89         nb_iterations_upper_bound computation for vectorized loop.
  90
  91 2016-04-29  Marek Polacek  <polacek@redhat.com>
  92             Jakub Jelinek  <jakub@redhat.com>
  93
  94         PR sanitizer/70342
  95         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
  96         TARGET_EXPR_SLOT as a base.
  97
  98 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
  99
 100         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
 101         with 'rCm2' constraints to limit possible immediate size.
 102         (*load_zeroextendqisi_update): Likewise.
 103         (*load_signextendqisi_update): Likewise.
 104         (*loadhi_update): Likewise.
 105         (*load_zeroextendhisi_update): Likewise.
 106         (*load_signextendhisi_update): Likewise.
 107         (*loadsi_update): Likewise.
 108         (*loadsf_update): Likewise.
 109
 110 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
 111
 112         * config/i386/predicates.md (constm1_operand): Fix comparison.
 113
 114 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
 115
 116         * testsuite/gcc.target/arc/ieee_eq.c: New test.
 117
 118 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
 119
 120         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
 121         remaining SH5 related settings.
 122         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
 123         shmedia_prepare_call_address): Delete.
 124         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
 125         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
 126         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
 127         UNSUPPORTED_SH2A): Remove m5 checks.
 128         (sh_divide_strategy_e): Remove SH5 division strategies.
 129         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
 130         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
 131
 132 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 133
 134         * config/s390/s390.c (s390_rtx_costs): Update documentation.
 135
 136 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 137
 138         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
 139         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
 140         Change lder to ldr.
 141         * config/s390/vector.md ("mov<mode>"): Likewise.
 142
 143 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
 144
 145         * config/s390/constraints.md ("U", "W"): Invoke
 146         s390_mem_constraint with "ZR" and "ZT".
 147         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
 148         addresses when using LRA.  Accept also short displacements for S
 149         and T constraints.  Do not check for long displacement target for
 150         S and T constraints.
 151         (s390_mem_constraint): Remove handling of U and W constraints.
 152         * config/s390/s390.md (various patterns): Remove the short
 153         displacement constraints (Q and R) if a long displacement
 154         constraint is present.  Add longdisp as required CPU capability.
 155         * config/s390/vector.md: Likewise.
 156         * config/s390/vx-builtins.md: Likewise.
 157
 158 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 159
 160         PR target/60040
 161         * reload1.c (reload): Call finish_spills before
 162         restarting reload loop. Skip select_reload_regs
 163         if update_eliminables_and_spill returns true.
 164
 165 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
 166
 167         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
 168         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
 169         (umulhisi3_imm): Update predicates and constraint letters.
 170         (umulhisi3_reg): Declare instruction as commutative.
 171         * config/arc/constraints.md (J12, J16): New constraints.
 172         * config/arc/predicates.md (short_unsigned_const_operand): New
 173         predicate.
 174         (arc_short_operand): Likewise.
 175         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
 176
 177 2016-04-29  Richard Biener  <rguenther@suse.de>
 178
 179         PR tree-optimization/13962
 180         PR tree-optimization/65686
 181         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
 182         * tree-ssa-alias.c (ptrs_compare_unequal): New function
 183         using PTA to compare pointers.
 184         * match.pd: Add pattern for pointer equality compare simplification
 185         using ptrs_compare_unequal.
 186
 187 2016-04-29  Richard Biener  <rguenther@suse.de>
 188
 189         * stor-layout.c (layout_type): Do not build a pointer-to-element
 190         type for arrays.
 191
 192 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
 193
 194         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
 195         Use SWI mode iterator.  Use general_reg_operand predicate.
 196         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
 197         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
 198         predicates.
 199
 200 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
 201
 202         PR middle-end/70843
 203         * fold-const.c (operand_equal_p): Don't verify hash value equality
 204         if arg0 == arg1.
 205         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
 206         and OMP_CLAUSE.
 207
 208 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
 209
 210         PR target/70858
 211         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
 212         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
 213         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
 214         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
 215         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
 216
 217 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 218
 219         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
 220         to info.  Don't initialize separate fields to 0.  Clean up
 221         formatting a bit.
 222
 223 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 224
 225         * config/i386/i386.md (peephole2s for operations with memory inputs):
 226         Use SWI mode iterator.
 227         (peephole2s for operations with memory outputs): Ditto.
 228         Do not check for stack checking probe.
 229
 230         (probe_stack): Remove expander.
 231
 232 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 233             Andrew Burgess  <andrew.burgess@embecosm.com>
 234
 235         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
 236         operands as 32-bits.
 237
 238 2016-04-28  Jason Merrill  <jason@redhat.com>
 239
 240         * gdbinit.in: Skip line-map.h.
 241
 242 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 243             Andrew Burgess  <andrew.burgess@embecosm.com>
 244
 245         * config/arc/arc.c (arc_conditional_register_usage): Take
 246         TARGET_RRQ_CLASS into account.
 247         (arc_print_operand): Support printing 'p' and 's' operands.
 248         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
 249         as 0.
 250         (TARGET_RRQ_CLASS): Define.
 251         (IS_POWEROF2_OR_0_P): Define.
 252         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
 253         alternatives.
 254         (*tst_movb): New define_insn.
 255         (*tst): Avoid recognition if it could prevent '*tst_movb'
 256         combination; replace c/CnL with c/Chs alternative.
 257         (*tst_bitfield_tst): New define_insn.
 258         (*tst_bitfield_asr): New define_insn.
 259         (*tst_bitfield): New define_insn.
 260         (andsi3_i): Add Rrq variant.
 261         (extzv): New define_expand.
 262         (insv): New define_expand.
 263         (*insv_i): New define_insn.
 264         (*movb): New define_insn.
 265         (*movb_signed): New define_insn.
 266         (*movb_high): New define_insn.
 267         (*movb_high_signed): New define_insn.
 268         (*movb_high_signed + 1): New define_split pattern.
 269         (*mrgb): New define_insn.
 270         (*mrgb + 1): New define_peephole2 pattern.
 271         (*mrgb + 2): New define_peephole2 pattern.
 272         * config/arc/arc.opt (mbitops): New option for nps400, uses
 273         TARGET_NPS_BITOPS_DEFAULT.
 274         * config/arc/constraints.md (q): Make register class conditional.
 275         (Rrq): New register constraint.
 276         (Chs): New constraint.
 277         (Clo): New constraint.
 278         (Chi): New constraint.
 279         (Cbf): New constraint.
 280         (Cbn): New constraint.
 281         (C18): New constraint.
 282         (Cbi): New constraint.
 283
 284 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 285
 286         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
 287         dst->popcount.
 288         (bitmap_intersection_of_preds): Ditto.
 289         (bitmap_union_of_succs): Ditto.
 290         (bitmap_union_of_preds): Ditto.
 291         * sbitmap.c (do_popcount): Delete.
 292         (BITMAP_DEBUGGING): Delete.
 293         (sbitmap_verify_popcount): Delete.
 294         (sbitmap_alloc): Don't initialize the popcount field.
 295         (sbitmap_alloc_with_popcount): Delete.
 296         (sbitmap_resize): Don't resize the popcount array.
 297         (sbitmap_vector_alloc): Don't initialize the popcount field.
 298         (bitmap_copy): Don't copy the popcount array.
 299         (bitmap_clear): Don't clear the popcount array.
 300         (bitmap_clear): Delete the popcount array handling.
 301         (bitmap_ior_and_compl): Delete the popcount assert.
 302         (bitmap_not): Ditto.
 303         (bitmap_and_compl): Ditto.
 304         (bitmap_and): Delete the popcount array handling.
 305         (bitmap_xor): Ditto.
 306         (bitmap_ior): Ditto.
 307         (bitmap_or_and): Delete the popcount assert.
 308         (bitmap_and_or): Ditto.
 309         (popcount_table): Delete.
 310         (sbitmap_elt_popcount): Delete.
 311         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
 312         (bitmap_set_bit): Delete the popcount assert.
 313         (bitmap_clear_bit): Ditto.
 314         (sbitmap_free): Don't free the popcount array.
 315         (sbitmap_alloc_with_popcount): Delete declaration.
 316         (sbitmap_popcount): Ditto.
 317
 318 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 319             Andrew Burgess  <andrew.burgess@embecosm.com>
 320
 321         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
 322         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
 323         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
 324         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
 325         * config/arc/arc.opt (mcmem): New option.
 326         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
 327         supply length for r/m alternative.
 328         (*extendqisi2_ac): Likewise.
 329         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
 330         r/Uex alternative.
 331         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
 332         (movhi_insn): Likewise.
 333         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
 334         (*zero_extendqihi2_i): Add r/Ucm alternative.
 335         (*zero_extendqisi2_ac): Likewise.
 336         (*zero_extendhisi2_i): Likewise.
 337         * config/arc/constraints.md (Uex): New memory constraint.
 338         (Ucm): New define_constraint.
 339         * config/arc/predicates.md (long_immediate_loadstore_operand):
 340         Return 0 for MEM with cmem_address address.
 341         (cmem_address_0): New predicates.
 342         (cmem_address_1): Likewise.
 343         (cmem_address_2): Likewise.
 344         (cmem_address): Likewise.
 345
 346 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 347
 348         * config/rs6000/rs6000.c (machine_function): Rename
 349         insn_chain_scanned_p to spe_insn_chain_scanned_p.
 350         (rs6000_stack_info): Adjust.
 351
 352 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 353             Andrew Burgess  <andrew.burgess@embecosm.com>
 354
 355         * config/arc/constraints.md (Usd): Convert to define_constraint.
 356         (Us<): Likewise.
 357         (Us>): Likewise.
 358
 359 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
 360
 361         PR target/70821
 362         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
 363         Add new peephole2 where the first insn is *mov<mode>_or instead of
 364         *mov<mode>_internal.
 365
 366 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
 367
 368         * tracer.c (bb_seen): Make static.
 369
 370 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
 371
 372         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
 373         support, setup defaults.
 374         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
 375         * config/arc/arc.c (arc_init): Add NPS400 support.
 376         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
 377         (TARGET_ARC700): NPS400 is also an ARC700.
 378         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
 379
 380 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 381
 382         PR target/70668
 383         * config/nds32/nds32.md (casesi): Don't access the operands array
 384         out of bounds.
 385
 386 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 387
 388         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
 389         (or $-1,reg peephole2): Ditto.
 390         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
 391
 392 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
 393
 394         * doc/extend.texi (Common Function Attributes) [optimize]:
 395         Discourage use of the optimize attribute.
 396
 397 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
 398
 399         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
 400         special case builtin.
 401         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
 402         ALTIVEC_BUILTIN_VEC_ADDE.
 403         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 404         support for ALTIVEC_BUILTIN_VEC_ADDE.
 405         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 406         for __builtin_vec_adde.
 407
 408 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
 409
 410         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
 411         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
 412
 413 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 414
 415         PR testsuite/70595
 416         * doc/sourcebuild.texi (Effective-Target Keywords, Other
 417         attributes): Document cilkplus_runtime.
 418
 419 2016-04-28  Martin Jambor  <mjambor@suse.cz>
 420
 421         * tree-cfg.c (verify_expr): Verify that local declarations belong to
 422         this function.  Call verify_expr on MEM_REFs and bases of other
 423         handled_components.
 424
 425 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 426
 427         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
 428         for WORD_REGISTER_OPERATIONS to runtime check.
 429
 430 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 431
 432         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
 433
 434 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 435
 436         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
 437         big-endian compilation.
 438         * config/arc/arc.md (addf3): Likewise.
 439         (subdf3): Likewise.
 440         (muldf3): Likewise.
 441
 442 2016-04-28  Richard Biener  <rguenther@suse.de>
 443
 444         PR tree-optimization/70840
 445         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
 446         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
 447         Mark x * pow(x,c) -> pow(x,c+1) commutative.
 448         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
 449
 450 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 451
 452         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
 453         and explain why in a comment.
 454
 455 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 456
 457         * config/arc/arc.md (cpu_facility): Add fpx variant.
 458         (subdf3): Prohibit use reverse sub when assist operations option
 459         is enabled.
 460         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
 461         instructions only when FPX is enabled.
 462         * testsuite/gcc.target/arc/trsub.c: New test.
 463
 464 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 465
 466         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
 467         mult_operator when calculating "type" attribute.
 468         (*fop_<mode>_1_i387): Ditto.
 469         (*fop_xf_1_i387): Ditto.
 470         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
 471         Use std::swap to swap operands.  Use RTL expressions to generate
 472         converted pattern.
 473
 474 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 475             Joern Rennecke  <joern.rennecke@embecosm.com>
 476
 477         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
 478         declaration.
 479         (emit_pic_move): Remove.
 480         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
 481         * config/arc/arc.c (emit_pic_move): Removed.
 482         (TARGET_HAVE_TLS): Define.
 483         (arc_conditional_register_usage): Test for arc_tp_regno.
 484         (arc_print_operand, arc_print_operand_address): Handle TLS
 485         unspecs.
 486         (arc_needs_pcl_p): New function.
 487         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
 488         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
 489         (arc_raw_symbolic_reference_mentioned_p): Likewise.
 490         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
 491         (arc_legitimize_tls_address): Likewise.
 492         (DTPOFF_ZERO_SYM): Define.
 493         (arc_legitimize_pic_address): Make it static, handle TLS cases.
 494         (arc_output_pic_addr_const): Print TLS unspecs.
 495         (prepare_pic_move): New function, replaces emit_pic_move.
 496         (arc_legitimate_constant_p): Handle TLS unspecs.
 497         (arc_legitimate_address_p): Likewise.
 498         (arc_rewrite_small_data_p): Use assert for TLS constants.
 499         (prepare_move_operands): Use prepare_pic_move.
 500         (arc_legitimize_address): Legitimize tls addresses.
 501         (arc_epilogue_uses): Check for arc_tp_regno.
 502         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
 503         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
 504         Define.
 505         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
 506         Likewise.
 507         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
 508         %(arc_tls_extra_start_spec).
 509         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
 510         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
 511         (EH_USES): Define.
 512         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
 513         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
 514         (UNSPEC_TLS_OFF): Add.
 515         (R10_REG): Define.
 516         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
 517         (get_thread_pointersi): New patterns.
 518         * config/arc/arc.opt (mtp-regno): New option.
 519         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
 520         (move_dest_operand): Likewise.
 521         * configure: Regenerate.
 522         * configure.ac: Add arc*-*-* case to test for tls.
 523         * doc/invoke.texi (ARC options): Document mtp-regno.
 524
 525 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 526
 527         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
 528         the new ARC HS SIMD instructions.
 529         (arc_preferred_simd_mode): New function.
 530         (arc_autovectorize_vector_sizes): Likewise.
 531         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
 532         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
 533         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
 534         (arc_init_builtins): Add new SIMD builtin types.
 535         (arc_split_move): Handle 64 bit vector moves.
 536         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
 537         (TARGET_PLUS_QMACW): Define.
 538         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
 539         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
 540         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
 541         (VSUBADD4H): New builtins.
 542         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
 543         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
 544
 545 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
 546             Matthias Klose  <doko@debian.org>
 547
 548         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
 549
 550 2016-04-28  Richard Biener  <rguenther@suse.de>
 551
 552         PR middle-end/70777
 553         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
 554         canonicalization.
 555
 556 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
 557
 558         * common/config/sh/sh-common.c: Remove SH5 support.
 559         * config/sh/constraints.md: Likewise.
 560         * config/sh/config/sh/elf.h: Likewise.
 561         * config/sh/linux.h: Likewise.
 562         * config/sh/netbsd-elf.h: Likewise.
 563         * config/sh/predicates.md: Likewise.
 564         * config/sh/sh-c.c: Likewise.
 565         * config/sh/sh-protos.h: Likewise.
 566         * config/sh/sh.c: Likewise.
 567         * config/sh/sh.h: Likewise.
 568         * config/sh/sh.md: Likewise.
 569         * config/sh/sh.opt: Likewise.
 570         * config/sh/sync.md: Likewise.
 571         * config/sh/sh64.h: Delete.
 572         * config/sh/shmedia.h: Likewise.
 573         * config/sh/shmedia.md: Likewise.
 574         * config/sh/sshmedia.h: Likewise.
 575         * config/sh/t-netbsd-sh5-64: Likewise.
 576         * config/sh/t-sh64: Likewise.
 577         * config/sh/ushmedia.h: Likewise.
 578
 579 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 580
 581         * config/i386/i386.md (sign_extend to memory peephole2s): Use
 582         general_reg_operand instead of register_operand predicate.
 583
 584 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 585
 586         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
 587
 588 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
 589
 590         * match.pd (A - B > A, A + B < A): New transformations.
 591
 592 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
 593
 594         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
 595         which defaults to true.  Emit an outer pair of parentheses only if
 596         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
 597         don't emit parentheses for the right-hand operand.
 598
 599 2016-04-27  Jeff Law  <law@redhat.com>
 600
 601         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
 602
 603 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 604
 605         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
 606         (altivec_lvx_<mode>_internal): Document.
 607         (altivec_lvx_<mode>_2op): New define_insn.
 608         (altivec_lvx_<mode>_1op): Likewise.
 609         (altivec_lvx_<mode>_2op_si): Likewise.
 610         (altivec_lvx_<mode>_1op_si): Likewise.
 611         (altivec_stvx_<mode>): Remove.
 612         (altivec_stvx_<mode>_internal): Document.
 613         (altivec_stvx_<mode>_2op): New define_insn.
 614         (altivec_stvx_<mode>_1op): Likewise.
 615         (altivec_stvx_<mode>_2op_si): Likewise.
 616         (altivec_stvx_<mode>_1op_si): Likewise.
 617         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 618         Expand vec_ld and vec_st during parsing.
 619         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
 620         changes.
 621         (altivec_expand_stvx_be): Likewise.
 622         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
 623         address-masking behavior in RTL.
 624         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
 625         address-masking behavior in RTL.
 626         (altivec_expand_builtin): Change builtin code arguments for calls
 627         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
 628         (insn_is_swappable_p): Avoid incorrect swap optimization in the
 629         presence of lvx/stvx patterns.
 630         (alignment_with_canonical_addr): New function.
 631         (alignment_mask): Likewise.
 632         (find_alignment_op): Likewise.
 633         (recombine_lvx_pattern): Likewise.
 634         (recombine_stvx_pattern): Likewise.
 635         (recombine_lvx_stvx_patterns): Likewise.
 636         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
 637         stvx patterns from expand.
 638         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
 639         expansions.
 640         (vector_altivec_store_<mode>): Likewise.
 641
 642 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
 643
 644         * config/aarch64/aarch64.md
 645         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
 646         remove the "fp" attributes.
 647         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
 648         add the "simd" attributes.
 649         (*movdf_aarch64): Likewise.
 650         (*movtf_aarch64): Remove the "fp" attributes.
 651         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
 652         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
 653
 654 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
 655
 656         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
 657         rtx to rtx_code_label *.
 658         * rtl.h (maybe_set_first_label_num): Likewise.
 659
 660 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
 661
 662         * df-core.c (df_add_problem): Make the problem param be const.
 663         (df_remove_problem): Make local "problem" be const.
 664         * df-problems.c (problem_RD): Make const.
 665         (problem_LR): Likewise.
 666         (problem_LIVE): Likewise.
 667         (problem_MIR): Likewise.
 668         (problem_CHAIN): Likewise.
 669         (problem_WORD_LR): Likewise.
 670         (problem_NOTE): Likewise.
 671         (problem_MD): Likewise.
 672         * df-scan.c (problem_SCAN): Likewise.
 673         * df.h (struct df_problem): Make field "dependent_problem" be
 674         const.
 675         (struct dataflow): Likewise for field "problem".
 676         (df_add_problem): Make param const.
 677
 678 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
 679
 680         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
 681         inter-unit moves to/from vector registers are enabled.  Do not disable
 682         for TARGET_MMX.
 683
 684 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
 685
 686         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
 687         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
 688         #define to...
 689         (enum df_problem_id): ...this new enum.
 690         (struct df_problem): Convert field "id" from "int" to
 691         enum df_problem_id.
 692
 693 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
 694
 695         * rtl.def: Update comment for "things in the instruction chain" to
 696         reflect the removal of the leading "i" field for INSN_UID in
 697         r210360.  Fix bogus apostrophe.
 698
 699 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
 700
 701         * config/i386/i386.md
 702         (lea arith with mem operand + setcc peephole2): Set operator mode.
 703
 704 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
 705
 706         PR target/70155
 707         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
 708         (dimode_scalar_to_vector_candidate_p): This.
 709         (timode_scalar_to_vector_candidate_p): New function.
 710         (scalar_to_vector_candidate_p): Likewise.
 711         (timode_check_non_convertible_regs): Likewise.
 712         (timode_remove_non_convertible_regs): Likewise.
 713         (remove_non_convertible_regs): Likewise.
 714         (remove_non_convertible_regs): Renamed to ...
 715         (dimode_remove_non_convertible_regs): This.
 716         (scalar_chain::~scalar_chain): Make it virtual.
 717         (scalar_chain::compute_convert_gain): Make it pure virtual.
 718         (scalar_chain::mark_dual_mode_def): Likewise.
 719         (scalar_chain::convert_insn): Likewise.
 720         (scalar_chain::convert_registers): Likewise.
 721         (scalar_chain::add_to_queue): Make it protected.
 722         (scalar_chain::emit_conversion_insns): Likewise.
 723         (scalar_chain::replace_with_subreg): Likewise.
 724         (scalar_chain::replace_with_subreg_in_insn): Likewise.
 725         (scalar_chain::convert_op): Likewise.
 726         (scalar_chain::convert_reg): Likewise.
 727         (scalar_chain::make_vector_copies): Likewise.
 728         (scalar_chain::convert_registers): New pure virtual function.
 729         (class dimode_scalar_chain): New class.
 730         (class timode_scalar_chain): Likewise.
 731         (scalar_chain::mark_dual_mode_def): Renamed to ...
 732         (dimode_scalar_chain::mark_dual_mode_def): This.
 733         (timode_scalar_chain::mark_dual_mode_def): New function.
 734         (timode_scalar_chain::convert_insn): Likewise.
 735         (dimode_scalar_chain::convert_registers): Likewise.
 736         (scalar_chain::compute_convert_gain): Renamed to ...
 737         (dimode_scalar_chain::compute_convert_gain): This.
 738         (scalar_chain::replace_with_subreg): Renamed to ...
 739         (dimode_scalar_chain::replace_with_subreg): This.
 740         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
 741         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
 742         (scalar_chain::make_vector_copies): Renamed to ...
 743         (dimode_scalar_chain::make_vector_copies): This.
 744         (scalar_chain::convert_reg): Renamed to ...
 745         (dimode_scalar_chain::convert_reg ): This.
 746         (scalar_chain::convert_op): Renamed to ...
 747         (dimode_scalar_chain::convert_op): This.
 748         (scalar_chain::convert_insn): Renamed to ...
 749         (dimode_scalar_chain::convert_insn): This.
 750         (scalar_chain::convert): Call convert_registers.
 751         (convert_scalars_to_vector): Change to scalar_chain pointer to
 752         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
 753         in 32-bit mode.  Delete scalar_chain pointer.  Call
 754         free_dominance_info in 64-bit mode.
 755         (pass_stv::gate): Remove TARGET_64BIT check.
 756         (ix86_option_override): Put the 64-bit STV pass before the CSE
 757         pass.
 758
 759 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
 760
 761         * dwarf2out.h (struct dw_loc_descr_node): Remove the
 762         dw_loc_frame_offset field.
 763         * dwarf2out.c (new_loc_descr): Likewise.
 764         (resolve_args_picking_1): Turn the VISITED hash set into a
 765         FRAME_OFFSET hash map. Use it to associate a frame offset to
 766         visited nodes. Remove uses of the CHECKING_P macro.
 767         (resolve_args_picking): Update call to resolve_args_picking_1.
 768
 769 2016-04-27  Martin Liska  <mliska@suse.cz>
 770
 771         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
 772         (free_loop_data): Release vuses of groups.
 773
 774 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
 775
 776         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
 777         instead of redundant use_id and boolean have_use_for.
 778         (struct iv_use): Change sub_id into group_id.  Remove field next.
 779         Move fields: related_cands, n_map_members, cost_map and selected
 780         to ...
 781         (struct iv_group): ... here.  New structure.
 782         (struct iv_common_cand): Use structure declaration directly.
 783         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
 784         (MAX_CONSIDERED_USES): Rename macro to ...
 785         (MAX_CONSIDERED_GROUPS): ... here.
 786         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
 787         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
 788         (dump_uses): Rename to ...
 789         (dump_groups): ... here.  Update all uses.
 790         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
 791         (find_induction_variables): Refactor format of dump information.
 792         (record_sub_use): Delete.
 793         (record_use): Update all uses.
 794         (record_group): New function.
 795         (record_group_use, find_interesting_uses_op): Call above functions.
 796         Update all uses.
 797         (find_interesting_uses_cond): Ditto.
 798         (group_compare_offset): New function.
 799         (split_all_small_groups): Rename to ...
 800         (split_small_address_groups_p): ... here.  Update all uses.
 801         (split_address_groups):  Update all uses.
 802         (find_interesting_uses): Refactor format of dump information.
 803         (add_candidate_1): Update all uses.  Remove redundant check on iv,
 804         base and step.
 805         (add_candidate, record_common_cand): Remove redundant assert.
 806         (add_iv_candidate_for_biv): Update use.
 807         (add_iv_candidate_derived_from_uses): Update all uses.
 808         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
 809         (alloc_use_cost_map): Ditto.
 810         (set_use_iv_cost, get_use_iv_cost): Rename to ...
 811         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
 812         (determine_use_iv_cost_generic): Ditto.
 813         (determine_group_iv_cost_generic): Ditto.
 814         (determine_use_iv_cost_address): Ditto.
 815         (determine_group_iv_cost_address): Ditto.
 816         (determine_use_iv_cost_condition): Ditto.
 817         (determine_group_iv_cost_cond): Ditto.
 818         (determine_use_iv_cost): Ditto.
 819         (determine_group_iv_cost): Ditto.
 820         (set_autoinc_for_original_candidates): Update all uses.
 821         (find_iv_candidates): Update all uses.  Refactor dump information.
 822         (determine_use_iv_costs): Ditto.
 823         (determine_iv_costs): Ditto.
 824         (iv_ca_cand_for_use): Rename to ...
 825         (iv_ca_cand_for_group): ... here.  Update all uses.
 826         (iv_ca_add_use, iv_ca_add_group): Ditto.
 827         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
 828         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
 829         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
 830         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
 831         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
 832         (create_new_iv, adjust_iv_update_pos): Ditto.
 833         (rewrite_use_address): Delete.
 834         (rewrite_use_address_1): Rename to ...
 835         (rewrite_use_address): ... here.
 836         (rewrite_use_compare): Update all uses.
 837         (rewrite_use): Delete.
 838         (rewrite_uses): Rename to ...
 839         (rewrite_groups): ... here.  Update all uses.
 840         (remove_unused_ivs, free_loop_data): Update all uses.
 841         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
 842
 843 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 844
 845         * rtlanal.c (nonzero_bits1): Convert preprocessor check
 846         for WORD_REGISTER_OPERATIONS to runtime check.
 847
 848 2016-04-27  Richard Biener  <rguenther@suse.de>
 849
 850         PR ipa/70760
 851         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
 852         aggregate_value_p to determine if a function result is
 853         returned by reference.
 854         (ipa_pta_execute): Functions having their address taken are
 855         not automatically nonlocal.
 856
 857 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
 858
 859         PR sanitizer/70683
 860         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
 861         * fold-const.c (operand_equal_p): If flag_checking and
 862         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
 863         and if it returns non-zero, assert iterative_hash_expr on both
 864         args is the same.
 865
 866 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
 867
 868         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
 869
 870 2016-04-27  Nick Clifton  <nickc@redhat.com>
 871
 872         PR middle-end/49889
 873         * varasm.c (merge_weak): Generate an error if an attempt is made
 874         to convert a non-weak static function into a weak, public function.
 875
 876 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 877
 878         * params.def (MAX_PARTITION_SIZE): New param.
 879         * doc/invoke.texi: Document lto-max-partition.
 880
 881 2016-04-27  Richard Biener  <rguenther@suse.de>
 882
 883         PR ipa/70785
 884         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
 885         function cummulating used_from_other_partition, externally_visible
 886         and force_output from aliases.
 887         (refered_from_nonlocal_var): Likewise.
 888         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
 889         node flags properly.
 890
 891 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
 892
 893         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
 894         (-Wmemset-elt-size): New item.
 895
 896 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
 897
 898         PR ada/70759
 899         * stor-layout.h (internal_reference_types): Delete.
 900         * stor-layout.c (reference_types_internal): Likewise.
 901         (internal_reference_types): Likewise.
 902         (layout_type) <REFERENCE_TYPE>: Adjust.
 903
 904 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
 905
 906         PR sanitizer/70683
 907         * tree.h (inchash::add_expr): Add FLAGS argument.
 908         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
 909         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
 910         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
 911         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
 912         if swap_tree_comparison (code) is smaller than code, hash that
 913         and arguments in the other order.  Hash CONVERT_EXPR the same
 914         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
 915         of ADDR_EXPR of decl as the decl itself.  Add or remove
 916         OEP_ADDRESS_OF from recursive flags as needed.  For
 917         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
 918         operands commutatively and only the third one normally.
 919         For internal CALL_EXPR hash in CALL_EXPR_IFN.
 920
 921 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 922
 923         * config/rtems.h (LIB_SPEC): Add -latomic.
 924
 925 2016-04-27  Joel Sherrill  <joel@rtems.org>
 926
 927         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
 928         xilink.ld and flags not relevant to RTEMS.
 929
 930 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
 931
 932         * toplev.c (backend_init_target): Avoid calling init_reload when using
 933         LRA.
 934
 935 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
 936
 937         * reorg.c (try_merge_delay_insns): Declare i and j inside the
 938         for loops rather than one for the whole function.
 939
 940 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
 941
 942         * match.pd (X + CST CMP X): New transformation.
 943
 944 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
 945
 946         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
 947         * fold-const.c (fold_binary_loc): Remove 2 transformations
 948         superseded by match.pd.
 949         * match.pd (x+x -> x*2): Generalize to integers.
 950
 951 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
 952
 953         * config/i386/i386.md (operation on memory peephole): Duplicate an
 954         existing peephole and adapt it to match lea rather than an operation
 955         that clobbers CC.
 956
 957         PR rtl-optimization/57193
 958         * opts.c (default_options_table): Add OPT_frename_registers at -O2
 959         and above.
 960         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
 961
 962 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
 963
 964         * tree-if-conv.c (any_pred_load_store): New static variable.
 965         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
 966         any_pred_load_store instead of and_mask_load_store.
 967         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
 968         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
 969         (combine_blocks, tree_if_conversion): Ditto.
 970
 971 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
 972
 973         PR tree-optimization/70771
 974         PR tree-optimization/70775
 975         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
 976         virtual PHI nodes.  Delete parameter.
 977         (if_convertible_loop_p_1): Delete argument to above function.
 978         (predicate_all_scalar_phis): Delete code handling single-argument
 979         PHIs.
 980         (tree_if_conversion): Mark and update virtual SSA.
 981
 982 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 983
 984         PR target/61821
 985         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
 986         (x86_elf_aligned_common): Rename to ...
 987         (x86_elf_aligned_decl_common): ... this.
 988         Add decl arg.  Switch to .lbss for largecomm object.  Use
 989         LARGECOMM_SECTION_ASM_OP.
 990         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
 991         renaming.
 992         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
 993         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
 994         Pass new decl arg.
 995         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
 996         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
 997
 998 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 999
1000         PR target/59407
1001         * config/i386/i386.c (SECTION_LARGE): Define.
1002         (x86_64_elf_select_section): Set it for large data/bss sections.
1003         Only clear SECTION_WRITE for .lrodata.
1004         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1005         data/bss sections.
1006         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1007         * varasm.c (default_elf_asm_named_section): Grow flagchars.
1008         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1009         SECTION_MACH_DEP.
1010         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1011         * doc/tm.texi: Regenerate.
1012
1013 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1014
1015         PR bootstrap/70704
1016         * configure.ac (--enable-checking): Document extra flag, for
1017         non-release builds default to --enable-checking=yes,extra.
1018         If misc checking and extra checking, define CHECKING_P to 2 instead
1019         of 1.
1020         * common.opt (fchecking=): Add.
1021         * doc/invoke.texi (-fchecking=): Document.
1022         * doc/install.texi: Document --enable-checking changes.
1023         * configure: Regenerated.
1024         * config.in: Regenerated.
1025
1026 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1029         attribute instead of which_alternative.
1030         * config/i386/sse.md (*mov<mode>_internal): Ditto.
1031         Use EXT_REX_SSE_REG_P where appropriate.
1032
1033 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1034
1035         * config/i386/predicates.md (const0_operand): Do not match
1036         const_wide_int code.
1037         (const1_operand): Ditto.
1038
1039 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1040
1041         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1042         for SSE constm1 operands and TARGET_AVX512VL.
1043         (*movti_internal): Ditto.
1044         (*mov<mode>_or): Use constm1_operand predicate.
1045         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1046         for SSE vector_all_ones operands and TARGET_AVX512VL.
1047         * config/i386/predicates.md (constm1_operand): New predicate.
1048         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1049         emission of constant -1 load.
1050
1051 2016-04-25  Jason Merrill  <jason@redhat.com>
1052
1053         * gdbinit.in: Skip is-a.h.
1054
1055         * attribs.c (register_scoped_attributes): Fix logic.
1056         * attribs.h: Declare register_scoped_attributes.
1057
1058 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1059
1060         * config/rs6000/rs6000-builtin.def: Correct pasto error for
1061         stxvd2x and stxvw4x built-in functions.
1062
1063 2016-04-25  DJ Delorie  <dj@redhat.com>
1064
1065         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1066         (ashrhi3): Likewise.
1067         (lshrhi3): Likewise.
1068
1069 2016-04-25  Richard Biener  <rguenther@suse.de>
1070
1071         PR tree-optimization/70780
1072         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1073         wasn't visited yet.
1074         (compute_antic): Mark blocks with abnormal preds as visited as
1075         they have a final empty antic-in solution already.
1076
1077 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1078
1079         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1080
1081 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1082
1083         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1084         mode is VQI to improve mixed mode vectorization.
1085         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1086         define_insn to match low half of signed vaddw.
1087         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1088         define_insn to match high half of signed vaddw.
1089         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1090         define_insn to match low half of unsigned vaddw.
1091         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1092         define_insn to match high half of unsigned vaddw.
1093         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1094         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1095         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1096         for new function.
1097         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1098         * config/arm/predicates.md (vect_par_constant_high): Support
1099         big endian and simplify by calling
1100         arm_simd_check_vect_par_cnst_half
1101         (vect_par_constant_low): Likewise.
1102
1103 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1106         predicate for operand 2.
1107
1108 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
1109             H.J. Lu  <hongjiu.lu@intel.com>
1110
1111         * config/i386/i386-protos.h (standard_sse_constant_p): Add
1112         machine_mode argument.
1113         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1114         constm1_rtx operands.  For VOIDmode constants, get mode from
1115         pred_mode.  Check mode size if the mode is supported by ABI.
1116         (standard_sse_constant_opcode): Do not use standard_constant_p.
1117         Strictly check ABI support for all-ones operands.
1118         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1119         immediates. Update calls to standard_sse_constant_p.
1120         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1121         (ix86_rtx_costs): Ditto.
1122         * config/i386/i386.md (*movxi_internal_avx512f): Use
1123         nonimmediate_or_sse_const_operand instead of vector_move_operand.
1124         Use (v,BC) alternative instead of (v,C). Use register_operand
1125         checks instead of MEM_P.
1126         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1127         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
1128         isa attribute.  Use register_operand checks instead of MEM_P.
1129         (*movti_internal): Use nonimmediate_or_sse_const_operand for
1130         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
1131         alternative and corresponding sse2 isa attribute.
1132         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1133         to standard_sse_constant_p.
1134         (FP constant splitters): Ditto.
1135         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1136         (C): Ditto.
1137         * config/i386/predicates.md (constm1_operand): Remove.
1138         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1139         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1140         vector_all_ones_operand instead of constm1_operand.
1141
1142 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1143
1144         * print-rtl.c (print_rtx_insn_vec): New function.
1145         * print-rtl.h: New prototype.
1146         * store-motion.c (struct st_expr): Make avail_stores a vector.
1147         (st_expr_entry): Adjust.
1148         (free_st_expr_entry): Likewise.
1149         (print_store_motion_mems): Likewise.
1150         (find_moveable_store): Likewise.
1151         (compute_store_table): Likewise.
1152         (delete_store): Likewise.
1153         (build_store_vectors): Likewise.
1154
1155 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1156
1157         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1158
1159 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1160
1161         * vec.h (vec_safe_contains): New function.
1162         (vec::contains): Likewise.
1163         (vec::begin): Likewise.
1164         (vec::end): Likewise.
1165
1166 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
1167
1168         PR sanitizer/70712
1169         * cfgexpand.c (expand_stack_vars): Fix typo.
1170
1171 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1172
1173         * system.h (list, map, set, vector): Include conditionally.
1174         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1175         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1176         * ipa-icf.c (INCLUDE_LIST): Define.
1177         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1178         * config/sh/sh.c (INCLUDE_VECTOR): Define.
1179         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1180         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1181         * cp/logic.cc (INCLUDE_LIST): Define.
1182         * fortran/trans-common.c (INCLUDE_MAP): Define.
1183
1184 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1185
1186         * auto-profile.c: Remove <string.h> include.
1187         * ipa-icf-gimple.c: Remove <list> include.
1188         * diagnostic.c: Remove <new> include.
1189         * genmatch.c: Likewise.
1190         * pretty-print.c: Likewise.
1191         * toplev.c: Likewise
1192         * c/c-objc-common.c: Likewise.
1193         * cp/error.c: Likewise.
1194         * fortran/error.c: Likewise.
1195
1196 2016-04-22  Richard Biener  <rguenther@suse.de>
1197
1198         * lto-streamer-in.c (input_ssa_names): Do not allocate
1199         GIMPLE_NOP for all SSA names.
1200         * lto-streamer-out.c (output_ssa_names): Do not output
1201         SSA names that should have been released.
1202
1203 2016-04-22  Richard Biener  <rguenther@suse.de>
1204
1205         PR tree-optimization/70740
1206         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1207         VDEF.
1208
1209 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1210
1211         PR target/70750
1212         * config/i386/predicates.md (call_insn_operand): Replace
1213         sibcall_memory_operand with memory_operand.
1214
1215 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
1216
1217         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1218         has_single_use() tests.
1219         (register_edge_assert_for_1): Likewise.
1220         (find_assert_locations_1): Check the liveness bitmap instead of
1221         checking has_single_use().
1222
1223 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
1224
1225         PR target/70728
1226         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1227         Extract AVX-512BW constraint from AVX.
1228
1229 2016-04-21  Richard Biener  <rguenther@suse.de>
1230
1231         PR tree-optimization/70725
1232         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1233         for phi_convertible_by_degenerating_args.
1234         (predicate_all_scalar_phis): Handle single-argument PHIs.
1235
1236 2016-04-21  Richard Biener  <rguenther@suse.de>
1237
1238         PR middle-end/70747
1239         * fold-const.c (fold_comparison): Return properly typed
1240         constant boolean.
1241
1242 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
1243
1244         PR tree-optimization/70715
1245         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1246         after expanding BASE using expand_simple_operations.
1247
1248 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1249
1250         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1251         New transformations.
1252
1253 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1254
1255         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1256
1257 2016-04-20  Jan Hubicka  <jh@suse.cz>
1258
1259         * ipa-inline.c (can_inline_edge_p): Pass caller info to
1260         ultiimate_alias_target.
1261         (update_callee_keys): Likewise.
1262         (lookup_recursive_calls): Likewise.
1263         (speculation_useful_p): Likewise.
1264
1265 2016-04-20  Jan Hubicka  <jh@suse.cz>
1266
1267         PR ipa/70018
1268         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1269         (set_nothrow_flag_1): ... this; handle interposition correctly;
1270         recurse on aliases and thunks.
1271         (cgraph_node::set_nothrow_flag): New.
1272         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1273         functions compiled with non-call exceptions that binds to current
1274         def.
1275         (propagate_nothrow): Be safe WRT interposition.
1276         * cgraph.h (set_nothrow_flag): Update prototype.
1277
1278 2016-04-18  Jan Hubicka  <jh@suse.cz>
1279
1280         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1281         max_loop_iterations_int.
1282         (tree_unswitch_outer_loop): Likewise.
1283
1284 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1285
1286         PR tree-optimization/69489
1287         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1288         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1289         Revise dump message.
1290         (if_convertible_bb_p): Remove check on edge count of basic block's
1291         predecessors.
1292
1293 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1294
1295         PR tree-optimization/56625
1296         PR tree-optimization/69489
1297         * tree-data-ref.h (DR_INNERMOST): New macro.
1298         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1299         hashing struct innermost_loop_behavior.
1300         (ref_DR_map): Remove.
1301         (innermost_DR_map): New map.
1302         (baseref_DR_map): Revise comment.
1303         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1304         to innermost_DR_map accroding to its innermost loop behavior.
1305         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1306         to its innermost loop behavior.
1307         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1308         Add initialization for innermost_DR_map.  Record memory reference
1309         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1310         have innermost loop behavior.
1311         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
1312         innermost_DR_map.
1313
1314 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
1315
1316         * config/i386/i386.md (*lea<mode>_general_1): Rename from
1317         *lea_general_1.  Use explicit SWI12 mode interator.
1318         (*lea<mode>_general_2): Rename from *lea_general_2.
1319         Use explicit SWI12 mode interator.
1320         (*lea<mode>_general_3): Rename from *lea_general_3.
1321         Use explicit SWI12 mode interator.
1322         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1323         Use explicit SWI12 mode interator.
1324         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1325         Use explicit SWI48 mode interator.
1326
1327 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1328
1329         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1330         Short-cut unaligned load and store cases.  Handle all integer
1331         vector modes.
1332         (ix86_expand_vector_move_misalign): Short-cut unaligned load
1333         and store cases.  Call ix86_avx256_split_vector_move_misalign
1334         directly without checking mode class.
1335
1336 2016-04-20  Andrew Pinski  <apinski@cavium.com>
1337             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1338
1339         PR target/64971
1340         * config/aarch64/aarch64.md (sibcall): Force call
1341         address to be DImode for ILP32.
1342         (sibcall_value): Likewise.
1343
1344 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1345
1346         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1347
1348 2016-04-20  Richard Biener  <rguenther@suse.de>
1349
1350         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1351         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1352         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1353         (maybe_push_res_to_seq): Adjust.
1354         * gimple-fold.c (maybe_build_generic_op): Likewise.
1355
1356 2016-04-20  Marek Polacek  <polacek@redhat.com>
1357
1358         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1359         rather than true.
1360
1361 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
1362
1363         * config/i386/sse.md (vec_unpacks_lo_hi): Always
1364         use kmovw to support AVX512F target.
1365
1366 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1367
1368         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1369
1370 2016-04-20  Marek Polacek  <polacek@redhat.com>
1371
1372         PR tree-optimization/70725
1373         * tree-if-conv.c (is_false_predicate): New function.
1374         (predicate_mem_writes): Use it.
1375
1376 2016-04-20  Richard Biener  <rguenther@suse.de>
1377
1378         PR tree-optimization/70726
1379         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1380         shift amounts from a pattern stmt operand.
1381
1382 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1383
1384         PR target/70674
1385         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1386         stack_restore_from_fpr pattern when restoring r15.
1387         (s390_optimize_prologue): Strip away the memory barrier in the
1388         parallel when trying to get rid of restore insns.
1389         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
1390         definition for loading the stack pointer from an FPR.  Compared to
1391         the normal move insn this pattern includes a full memory barrier.
1392
1393 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
1394
1395         PR middle-end/70680
1396         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
1397         implicitly linear or lastprivate iterator on the outer context.
1398
1399 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
1400
1401         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
1402         alignment check.
1403         * config/i386/i386.md (ssememalign): Removed.
1404         * config/i386/sse.md: Remove ssememalign attribute from patterns.
1405
1406 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
1407
1408         PR target/69201
1409         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
1410         const short * to __builtin_ia32_loaddquhi512_mask.
1411         (_mm512_maskz_loadu_epi16): Likewise.
1412         (_mm512_mask_storeu_epi16): Pass short * to
1413         __builtin_ia32_storedquhi512_mask.
1414         (_mm512_mask_loadu_epi8): Pass const char * to
1415         __builtin_ia32_loaddquqi512_mask.
1416         (_mm512_maskz_loadu_epi8): Likewise.
1417         (_mm512_mask_storeu_epi8): Pass char * to
1418         __builtin_ia32_storedquqi512_mask.
1419         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
1420         const double * to __builtin_ia32_loadupd512_mask.
1421         (_mm512_mask_loadu_pd): Likewise.
1422         (_mm512_maskz_loadu_pd): Likewise.
1423         (_mm512_storeu_pd): Pass double * to
1424         __builtin_ia32_storeupd512_mask.
1425         (_mm512_mask_storeu_pd): Likewise.
1426         (_mm512_loadu_ps): Pass const float * to
1427         __builtin_ia32_loadups512_mask.
1428         (_mm512_mask_loadu_ps): Likewise.
1429         (_mm512_maskz_loadu_ps): Likewise.
1430         (_mm512_storeu_ps): Pass float * to
1431         __builtin_ia32_storeups512_mask.
1432         (_mm512_mask_storeu_ps): Likewise.
1433         (_mm512_mask_loadu_epi64): Pass const long long * to
1434         __builtin_ia32_loaddqudi512_mask.
1435         (_mm512_maskz_loadu_epi64): Likewise.
1436         (_mm512_mask_storeu_epi64): Pass long long *
1437         to __builtin_ia32_storedqudi512_mask.
1438         (_mm512_loadu_si512): Pass const int * to
1439         __builtin_ia32_loaddqusi512_mask.
1440         (_mm512_mask_loadu_epi32): Likewise.
1441         (_mm512_maskz_loadu_epi32): Likewise.
1442         (_mm512_storeu_si512): Pass int * to
1443         __builtin_ia32_storedqusi512_mask.
1444         (_mm512_mask_storeu_epi32): Likewise.
1445         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
1446         char * to __builtin_ia32_storedquqi256_mask.
1447         (_mm_mask_storeu_epi8): Likewise.
1448         (_mm256_mask_loadu_epi16): Pass const short * to
1449         __builtin_ia32_loaddquhi256_mask.
1450         (_mm256_maskz_loadu_epi16): Likewise.
1451         (_mm_mask_loadu_epi16): Pass const short * to
1452         __builtin_ia32_loaddquhi128_mask.
1453         (_mm_maskz_loadu_epi16): Likewise.
1454         (_mm256_mask_loadu_epi8): Pass const char * to
1455         __builtin_ia32_loaddquqi256_mask.
1456         (_mm256_maskz_loadu_epi8): Likewise.
1457         (_mm_mask_loadu_epi8): Pass const char * to
1458         __builtin_ia32_loaddquqi128_mask.
1459         (_mm_maskz_loadu_epi8): Likewise.
1460         (_mm256_mask_storeu_epi16): Pass short * to.
1461         __builtin_ia32_storedquhi256_mask.
1462         (_mm_mask_storeu_epi16): Pass short * to.
1463         __builtin_ia32_storedquhi128_mask.
1464         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
1465         const double * to __builtin_ia32_loadupd256_mask.
1466         (_mm256_maskz_loadu_pd): Likewise.
1467         (_mm_mask_loadu_pd): Pass onst double * to
1468         __builtin_ia32_loadupd128_mask.
1469         (_mm_maskz_loadu_pd): Likewise.
1470         (_mm256_mask_storeu_pd): Pass double * to
1471         __builtin_ia32_storeupd256_mask.
1472         (_mm_mask_storeu_pd): Pass double * to
1473         __builtin_ia32_storeupd128_mask.
1474         (_mm256_mask_loadu_ps): Pass const float * to
1475         __builtin_ia32_loadups256_mask.
1476         (_mm256_maskz_loadu_ps): Likewise.
1477         (_mm_mask_loadu_ps): Pass const float * to
1478         __builtin_ia32_loadups128_mask.
1479         (_mm_maskz_loadu_ps): Likewise.
1480         (_mm256_mask_storeu_ps): Pass float * to
1481         __builtin_ia32_storeups256_mask.
1482         (_mm_mask_storeu_ps): ass float * to
1483         __builtin_ia32_storeups128_mask.
1484         (_mm256_mask_loadu_epi64): Pass const long long * to
1485         __builtin_ia32_loaddqudi256_mask.
1486         (_mm256_maskz_loadu_epi64): Likewise.
1487         (_mm_mask_loadu_epi64): Pass const long long * to
1488         __builtin_ia32_loaddqudi128_mask.
1489         (_mm_maskz_loadu_epi64): Likewise.
1490         (_mm256_mask_storeu_epi64): Pass long long * to
1491         __builtin_ia32_storedqudi256_mask.
1492         (_mm_mask_storeu_epi64): Pass long long * to
1493         __builtin_ia32_storedqudi128_mask.
1494         (_mm256_mask_loadu_epi32): Pass const int * to
1495         __builtin_ia32_loaddqusi256_mask.
1496         (_mm256_maskz_loadu_epi32): Likewise.
1497         (_mm_mask_loadu_epi32): Pass const int * to
1498         __builtin_ia32_loaddqusi128_mask.
1499         (_mm_maskz_loadu_epi32): Likewise.
1500         (_mm256_mask_storeu_epi32): Pass int * to
1501         __builtin_ia32_storedqusi256_mask.
1502         (_mm_mask_storeu_epi32): Pass int * to
1503         __builtin_ia32_storedqusi128_mask.
1504         * config/i386/i386-builtin-types.def (PCSHORT): New.
1505         (PINT64): Likewise.
1506         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
1507         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
1508         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
1509         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
1510         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
1511         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
1512         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
1513         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
1514         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
1515         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
1516         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
1517         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
1518         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
1519         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
1520         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
1521         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
1522         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
1523         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
1524         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
1525         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
1526         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
1527         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
1528         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
1529         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
1530         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
1531         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
1532         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
1533         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
1534         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
1535         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
1536         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
1537         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
1538         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
1539         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
1540         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
1541         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
1542         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
1543         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
1544         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
1545         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
1546         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
1547         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
1548         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
1549         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
1550         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
1551         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
1552         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
1553         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
1554         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
1555         use UNSPEC_STOREU.
1556         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
1557         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
1558         load nor store.
1559         (ix86_expand_vector_move_misalign): Likewise.
1560         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
1561         to scalar function prototype for unaligned load/store builtins.
1562         (ix86_expand_special_args_builtin): Updated.
1563         * config/i386/sse.md (UNSPEC_LOADU): Removed.
1564         (UNSPEC_STOREU): Likewise.
1565         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
1566         (VI_ULOADSTORE_F_AVX512VL): Likewise.
1567         (ssescalarsize): Handle V4TI, V2TI and V1TI.
1568         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1569         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1570         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
1571         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
1572         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
1573         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
1574         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
1575         (<avx512>_storedqu<mode>_mask): Likewise.
1576         (*sse4_2_pcmpestr_unaligned): Likewise.
1577         (*sse4_2_pcmpistr_unaligned): Likewise.
1578         (*mov<mode>_internal): Renamed to ...
1579         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
1580         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
1581         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
1582         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
1583
1584 2016-04-19  Richard Biener  <rguenther@suse.de>
1585
1586         PR tree-optimization/70171
1587         * tree-ssa-phiprop.c: Include stor-layout.h.
1588         (phiprop_insert_phi): Handle the aggregate copy case.
1589         (propagate_with_phi): Likewise.
1590
1591 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
1592
1593         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
1594         instead of simplify_gen_subreg (... , 0).
1595         (ix86_delegitimize_address): Ditto.
1596         (ix86_split_divmod): Ditto.
1597         (ix86_split_copysign_const): Ditto.
1598         (ix86_split_copysign_var): Ditto.
1599         (ix86_expand_args_builtin): Ditto.
1600         (ix86_expand_round_builtin): Ditto.
1601         (ix86_expand_special_args_builtin): Ditto.
1602         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
1603         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
1604         (udivmodqi4): Ditto.
1605         (absneg splitters): Ditto.
1606         (*jcc_bt<mode>_1): Ditto.
1607
1608 2016-04-19  Richard Biener  <rguenther@suse.de>
1609
1610         PR tree-optimization/70724
1611         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
1612         restoring out from ...
1613         (free_scc_vn): ... here.
1614         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
1615         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
1616         tail merging.
1617         (pass_fre::execute): Restore SSA info.
1618
1619 2016-04-19  Richard Biener  <rguenther@suse.de>
1620
1621         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
1622         * gimple-walk.c (walk_gimple_op): Initialize it.
1623         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
1624         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
1625         remapping SSA names of defs.
1626         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
1627         adjustment.
1628
1629 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
1630
1631         PR middle-end/70689
1632         * lra-constraints.c (equiv_substition_p): New.
1633         (process_alt_operands): Use it.
1634         (swap_operands): Swap it.
1635         (curr_insn_transform): Update it.
1636
1637 2016-04-18  Michael Matz  <matz@suse.de>
1638
1639         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
1640         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
1641         * tree-core.h (tree_type_common.align): Use bit-field.
1642         (tree_type_common.spare): New.
1643         (tree_decl_common.off_align): Make smaller.
1644         (tree_decl_common.align): Use bit-field.
1645
1646         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
1647         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
1648         (scan_sharing_clauses): Ditto.
1649         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1650         (omp_finish_file): Ditto.
1651         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
1652         (layout_decl): Ditto.
1653         (relayout_decl): Ditto.
1654         (finalize_record_size): Use SET_TYPE_ALIGN.
1655         (finalize_type_size): Ditto.
1656         (finish_builtin_struct): Ditto.
1657         (layout_type): Ditto.
1658         (initialize_sizetypes): Ditto.
1659         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
1660         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
1661         (lookup_field_for_decl): Use SET_DECL_ALIGN.
1662         (get_chain_field): Ditto.
1663         (get_trampoline_type): Ditto.
1664         (get_nl_goto_field): Ditto.
1665         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
1666         SET_DECL_ALIGN.
1667         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
1668         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
1669         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1670         (build_qualified_type): Use SET_TYPE_ALIGN.
1671         (build_aligned_type, build_range_type_1): Ditto.
1672         (build_atomic_base): Ditto.
1673         (build_common_tree_nodes): Ditto.
1674         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
1675         (expand_one_stack_var_at): Ditto.
1676         * coverage.c (build_var): Use SET_DECL_ALIGN.
1677         * except.c (init_eh): Ditto.
1678         * function.c (assign_parm_setup_block): Ditto.
1679         * symtab.c (increase_alignment_1): Ditto.
1680         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
1681         * tree-vect-stmts.c (ensure_base_align): Ditto.
1682         * varasm.c (align_variable): Ditto.
1683         (assemble_variable): Ditto.
1684         (build_constant_desc): Ditto.
1685         (output_constant_def_contents): Ditto.
1686
1687         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
1688         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
1689         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
1690         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
1691         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
1692
1693 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
1694
1695         PR target/70708
1696         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
1697         replace %vmovsd with "%vmovq".
1698         (vec_concatv2df): Likewise.
1699
1700 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
1701
1702         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
1703         (*vec_extractv2si_0): Ditto.
1704         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
1705         (zero_extended_scalar_load_operand splitters): Ditto.
1706         (vec_extract splitters): Ditto.
1707         (*vec_extractv4si_0_zext): Ditto.
1708         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
1709         and lowpart_subreg.
1710         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
1711         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
1712         (*sse4_1_extractps): Use lowpart_subreg.
1713
1714 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1715
1716         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
1717         gld requirements.
1718         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
1719         Mention Solaris 11 packaging changes.
1720         Update gas and gld requirements.
1721         Remove reference to pre-Solaris 10 bug.
1722         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
1723         systems and bugs.
1724         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
1725         with cc.
1726
1727 2016-04-17  Jan Hubicka  <jh@suse.cz>
1728
1729         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
1730         max_loop_iterations_int.
1731
1732 2016-04-18  Richard Biener  <rguenther@suse.de>
1733
1734         PR tree-optimization/43434
1735         * tree-ssa-structalias.c (struct vls_data): New.
1736         (visit_loadstore): Handle all pointer-based accesses.
1737         (compute_dependence_clique): Compute a bitmap of restrict tags
1738         assigned bases and pass it to visit_loadstore.
1739
1740 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
1741
1742         PR target/70711
1743         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
1744         armv8.1-a and armv8.1-a+crc.
1745
1746 2016-04-18  Richard Biener  <rguenther@suse.de>
1747
1748         PR tree-optimization/70701
1749         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
1750         references after translating through a memcpy.
1751
1752 2016-04-18  Richard Biener  <rguenther@suse.de>
1753
1754         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
1755         (compute_antic): ... here.  For partial antic use regular
1756         postorder and scrap iteration.
1757         (compute_partial_antic_aux): Remove unused return value.
1758         (init_pre): Do not allocate postorder.
1759         (fini_pre): Do not free postorder.
1760
1761 2016-04-18  Richard Biener  <rguenther@suse.de>
1762
1763         PR middle-end/37870
1764         * expmed.c (extract_bit_field_1): Remove broken case
1765         using a wider MODE_INT mode.
1766
1767 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
1768
1769         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
1770         unless compiling with at least GCC-4.8.
1771
1772 2016-04-17  Jan Hubicka  <jh@suse.cz>
1773
1774         PR bootstrap/70706
1775         * graphite.c (graphite_finalize): Update call to
1776         tree_estimate_probability.
1777         * predict.h (tree_estimate_probability): Update prototype.
1778
1779 2016-04-17  Jan Hubicka  <jh@suse.cz>
1780
1781         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
1782         (tree_estimate_probability): Likewise.
1783         (pass_profile::execute): Update.
1784         (report_predictor_hitrates): New function.
1785         * profile.c (compute_branch_probabilities): Use it.
1786         * predict.h (report_predictor_hitrates): Declare.
1787
1788 2016-04-17  Jan Hubicka  <jh@suse.cz>
1789
1790         PR ipa/70018
1791         * cgraph.h (cgraph_node::set_const_flag,
1792         cgraph_node::set_pure_flag): Update prototype to return bool;
1793         update comment.
1794         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
1795         of interposable symbol are interposable, too.
1796         (cgraph_set_const_flag_1): Rename to ...
1797         (set_const_flag_1): ... this one; change to self recursive function
1798         instead of call_for_symbol_thunks_and_aliases. Handle correctly
1799         clearnig the flag in all variants and also virtual thunks of const
1800         functions are pure; track if any change was done.
1801         (cgraph_node::set_const_flag): Update.
1802         (struct set_pure_flag_info): New struct.
1803         (cgraph_set_pure_flag_1): Rename to ...
1804         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
1805         rather than pointer encoded flags; track if any changes was done;
1806         handle correctly clearning flag and setting flag of aliases already
1807         declared const.
1808         (cgraph_node::set_pure_flag): Update.
1809         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
1810
1811 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1812
1813         PR other/70433
1814         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
1815         backslash in label.
1816
1817 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1818
1819         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
1820         '{}<> ' as escape-for-record.
1821
1822 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1823
1824         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
1825         structure.
1826
1827 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1828
1829         PR other/70185
1830         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
1831         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
1832         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
1833         * passes.c (finish_optimization_passes): Only call
1834         finish_graph_dump_file if dfi->graph_dump_initialized.
1835         (execute_function_dump, pass_init_dump_file): Use
1836         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
1837
1838 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1839
1840         PR tree-optimization/70256
1841         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
1842         (debug_varmap): New function.
1843
1844 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1845
1846         PR other/70183
1847         * passes.c (pass_manager::register_pass): Propagate pflags.
1848
1849 2016-04-17  Tom de Vries  <tom@codesourcery.com>
1850
1851         PR other/68875
1852         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
1853         * passes.c (pass_manager::pass_manager): Declare and init p_start in
1854         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
1855         check if it's equal to p_start.
1856         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
1857
1858 2016-04-15  Jan Hubicka  <jh@suse.cz>
1859
1860         PR ipa/70018
1861         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
1862         function does not bind to current def.
1863         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
1864         handle conservatively calls to functions that does not need to bind
1865         to current def.
1866         (check_call): Update call of worse_state.
1867         (ignore_edge_for_nothrow): Update.
1868         (ignore_edge_for_pure_const): Likewise.
1869         (propagate_pure_const): Update calls to worse_state.
1870         (skip_function_for_local_pure_const): Reformat comments.
1871
1872 2016-04-15  Jan Hubicka  <jh@suse.cz>
1873
1874         PR ipa/70018
1875         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
1876         (cgraph_node::function_symbol): Likewise.
1877         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
1878         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
1879         (symtab_node::ultimate_alias_target): Add REF parameter.
1880         (symtab_node::binds_to_current_def_p): Declare.
1881         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
1882         (cgraph_node::function_symbol): Likewise.
1883         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
1884         (cgraph_node::get_availability): Likewise.
1885         (cgraph_edge::binds_to_current_def_p): New inline function.
1886         (varpool_node::get_availability): Add REF parameter.
1887         (varpool_node::ultimate_alias_target): Likewise.
1888         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
1889         (symtab_node::binds_to_current_def_p): Likewise.
1890         * varpool.c (varpool_node::get_availability): Likewise.
1891
1892 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
1893
1894         PR target/70662
1895         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
1896         Fix mode size check.
1897
1898 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1899
1900         * BASE-VER: Set to 7.0.0.
1901
1902 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
1903
1904         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
1905
1906 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1907
1908         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
1909         architecture revisions.
1910
1911 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
1912
1913         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
1914         * config/i386/i386.c (ix86_using_red_zone): No longer static.
1915         * config/i386/i386.md (stack decrement to push peepholes): Guard
1916         with !x86_using_red_zone ().
1917
1918 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1919
1920         PR c++/70675
1921         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
1922         to dump_generic_node.
1923         (NIY): Pass also flags to do_niy.
1924
1925 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
1926
1927         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
1928         (simd_clone_vector_of_formal_parm_types)
1929         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
1930         (simd_clone_mangle, simd_clone_create)
1931         (simd_clone_adjust_return_type, create_tmp_simd_array)
1932         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
1933         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
1934         (ipa_simd_modify_function_body, simd_clone_linear_addend)
1935         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
1936         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
1937         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
1938         * omp-simd-clone.c: ... this new file.
1939         (simd_clone_vector_of_formal_parm_types): Make it static.
1940         * Makefile.in (OBJS): Add omp-simd-clone.o.
1941
1942 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
1943
1944         PR target/70662
1945         * config/i386/sse.md: Use proper memory operand modifiers.
1946
1947
1948 2016-04-15  Richard Biener  <rguenther@suse.de>
1949         Alan Modra  <amodra@gmail.com>
1950
1951         PR tree-optimization/70130
1952         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
1953         when alignment stays not the same and no not use the realign
1954         scheme then.
1955
1956 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1957
1958         PR target/70669
1959         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
1960         direct move handlers for KFmode. Change TFmode handlers test from
1961         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
1962
1963 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
1964
1965         PR c++/70594
1966         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
1967         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
1968         (inlined_polymorphic_ctor_dtor_block_p): Use it.
1969         * tree-ssa-live.c (remove_unused_scope_block_p): When
1970         in_ctor_dtor_block, avoid discarding not just BLOCKs with
1971         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
1972         block_ultimate_origin is FUNCTION_DECL.
1973         (remove_unused_locals): If current_function_decl is
1974         polymorphic_ctor_dtor_p, pass initial true to
1975         remove_unused_scope_block_p' is_ctor_dtor_block.
1976
1977 2016-04-14  Martin Sebor  <msebor@redhat.com>
1978
1979         PR c++/69517
1980         PR c++/70019
1981         PR c++/70588
1982         * doc/extend.texi (Variable Length): Revert.
1983
1984 2016-04-14  Marek Polacek  <polacek@redhat.com>
1985             Jan Hubicka  <hubicka@ucw.cz>
1986
1987         PR c++/70029
1988         * tree.c (verify_type): Disable the canonical type of main variant
1989         check.
1990
1991 2016-04-14  Jason Merrill  <jason@redhat.com>
1992
1993         * cfgexpand.c, expr.c: Revert previous change.
1994
1995 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
1996
1997         PR middle-end/70643
1998         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
1999         when building a mem ref for the incoming reduction variable.
2000
2001 2016-04-14  Richard Biener  <rguenther@suse.de>
2002
2003         PR tree-optimization/70614
2004         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2005         loop if the evolution dropped to chrec_dont_know.
2006         (interpret_condition_phi): Likewise.
2007
2008 2016-04-14  Richard Biener  <rguenther@suse.de>
2009
2010         PR tree-optimization/70623
2011         * tree-ssa-pre.c (changed_blocks): Make global ...
2012         (compute_antic): ... local here.  Move and fix worklist
2013         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2014         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
2015         worklist handling, dump when ANTIC_IN changed.
2016         (compute_partial_antic_aux): Remove worklist handling.
2017         (init_pre): Do not compute post dominators.  Add a comment about
2018         the CFG order chosen.
2019         (fini_pre): Do not free post dominators.
2020
2021 2016-04-13  Martin Sebor  <msebor@redhat.com>
2022
2023         PR c++/69517
2024         PR c++/70019
2025         PR c++/70588
2026         * doc/extend.texi (Variable Length): Document C++ specifics.
2027
2028 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2029
2030         PR c++/70641
2031         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2032         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
2033         eh edges have been purged.
2034
2035         PR c++/70594
2036         * tree-sra.c (create_access_replacement,
2037         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2038         gets fancy name.
2039         * tree-pretty-print.c (dump_fancy_name): New function.
2040         (dump_decl_name, dump_generic_node): Use it.
2041
2042 2016-04-13  Jason Merrill  <jason@redhat.com>
2043
2044         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2045         * expr.c (expand_expr_real_1): Likewise.
2046
2047 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2048
2049         * config/i386/i386.md (kunpckhi): Swap operands.
2050         (kunpcksi): Likewise.
2051         (kunpckdi): Likewise.
2052         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2053         (vec_pack_trunc_<mode>): Likewise.
2054
2055 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2056
2057         PR debug/70628
2058         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2059
2060         PR middle-end/70633
2061         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2062         gimplification turns some element into non-constant.
2063
2064         PR debug/70628
2065         * rtl.h (convert_memory_address_addr_space_1): New prototype.
2066         * explow.c (convert_memory_address_addr_space_1): No longer static,
2067         add NO_EMIT argument and don't call convert_modes if true, pass
2068         it down recursively, remove break after return.
2069         (convert_memory_address_addr_space): Adjust caller.
2070         * simplify-rtx.c (simplify_unary_operation_1): Call
2071         convert_memory_address_addr_space_1 instead of convert_memory_address,
2072         if it returns NULL, don't simplify.
2073
2074 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2075
2076         PR target/70630
2077         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2078
2079 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2080
2081         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2082         Bump the upper SIMDLEN limits, so that if the return type or
2083         characteristic type if the return type is void can be passed in
2084         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2085         allowed.
2086
2087 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2088
2089         PR target/70640
2090         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2091         Do not use "=" constraint on an input constraint.
2092         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2093         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2094         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2095         generates (neg (abs ...)) instead of (abs ...).
2096
2097 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2098
2099         PR rtl-optimization/70596
2100         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2101         just invalidate LRA data and reset them.  Adjust dump wording.
2102
2103 2016-04-12  Martin Liska  <mliska@suse.cz>
2104
2105         Revert
2106         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2107
2108         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2109         estimates here.
2110         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2111         max_loop_iterations_int.
2112         (tree_unswitch_outer_loop): Likewise.
2113         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2114         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2115
2116 2016-04-12  Tom de Vries  <tom@codesourcery.com>
2117
2118         PR tree-optimization/68756
2119         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2120         instead of new_name.
2121
2122 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2123
2124         PR tree-optimization/70602
2125         * tree-sra.c (generate_subtree_copies): Don't write anything into
2126         constant pool decls.
2127
2128         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2129         regardless whether there are depend clauses or not.
2130
2131 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2132
2133         PR target/70381
2134         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2135         target attribute and pragma from changing the -mfloat128
2136         and -mfloat128-hardware options.
2137
2138         * doc/extend.texi (Additional Floating Types): Document PowerPC
2139         __float128 restrictions.
2140
2141 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2142
2143         PR target/70133
2144         * config/aarch64/driver-aarch64.c
2145         (aarch64_get_extension_string_for_isa_flags): New.
2146         (arch_extension): Rename to...
2147         (aarch64_arch_extension): ...This.
2148         (ext_to_feat_string): Rename to...
2149         (aarch64_extensions): ...This.
2150         (aarch64_core_data): Keep track of architecture extension flags.
2151         (cpu_data): Rename to...
2152         (aarch64_cpu_data): ...This.
2153         (aarch64_arch_driver_info): Keep track of architecture extension
2154         flags.
2155         (get_arch_name_from_id): Rename to...
2156         (get_arch_from_id): ...This, change return type.
2157         (host_detect_local_cpu): Update and reformat for renames, handle
2158         extensions through common infrastructure.
2159
2160 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2161
2162         PR target/70133
2163         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2164         track of a canonical flag name.
2165         (all_extensions): Likewise.
2166         (arch_to_arch_name): Also track extension flags enabled by the arch.
2167         (all_architectures): Likewise.
2168         (aarch64_parse_extension): Move to here.
2169         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2170         rework.
2171         (aarch64_rewrite_selected_cpu): Update for above change.
2172         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2173         are handled, such that the single explicit value enabled by an
2174         extension is kept seperate from the implicit values it also enables.
2175         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2176         to here.
2177         (aarch64_parse_extension): New.
2178         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2179         here to config/aarch64/aarch64-protos.h.
2180         (aarch64_parse_extension): Move from here to
2181         common/config/aarch64/aarch64-common.c.
2182         (aarch64_option_print): Update.
2183         (aarch64_declare_function_name): Likewise.
2184         (aarch64_start_file): Likewise.
2185         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2186         the canonical flag for extensions.
2187         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2188         flags.
2189
2190 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2191
2192         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2193         AARCH64_FL_CRC.
2194
2195 2016-04-09  Tom de Vries  <tom@codesourcery.com>
2196
2197         PR tree-optimization/68953
2198         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2199         first to last subscript.
2200
2201 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR tree-optimization/70586
2204         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2205         for any calls.
2206
2207 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
2208
2209         PR lto/70289
2210         PR ipa/70348
2211         PR tree-optimization/70373
2212         PR middle-end/70533
2213         PR middle-end/70534
2214         PR middle-end/70535
2215         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2216         clauses for acc parallel reductions as necessary.  Error on those
2217         that are private.
2218         * omp-low.c (scan_sharing_clauses): Don't install variables which
2219         are used in acc parallel reductions.
2220         (lower_rec_input_clauses): Remove dead code.
2221         (lower_oacc_reductions): Add support for reference reductions.
2222         (lower_reduction_clauses): Remove dead code.
2223         (lower_omp_target): Don't remap variables appearing in acc parallel
2224         reductions.
2225         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2226
2227 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
2228
2229         PR middle-end/70593
2230         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2231         with multiple SSA_NAME defs, force the outputs other than first
2232         to be live before calling live_track_process_def on each output.
2233
2234         PR rtl-optimization/70574
2235         * fwprop.c (forward_propagate_and_simplify): Don't add
2236         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2237         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2238         paradoxical subregs within *loc.
2239
2240 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
2241
2242         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2243         -ftree-parallelize-loops={0,1}.
2244         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2245         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2246         * config/ia64/hpux.h (LIB_SPEC): Likewise.
2247         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2248         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2249
2250 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
2251
2252         PR sanitizer/70541
2253         * asan.c (instrument_derefs): If we get unknown location, extract it
2254         with EXPR_LOCATION.
2255         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2256
2257 2016-04-08  Tom de Vries  <tom@codesourcery.com>
2258
2259         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2260         implicit firstprivate clause.
2261
2262 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2263
2264         PR target/70566
2265         * config/arm/thumb2.md (tst + branch-> lsls + branch
2266         peephole below *orsi_not_shiftsi_si): Require that condition
2267         register is dead after the peephole.
2268         (second peephole after the above): Likewise.
2269
2270 2016-04-08  Alan Modra  <amodra@gmail.com>
2271
2272         PR target/70117
2273         * builtins.c (fold_builtin_classify): For IBM extended precision,
2274         look at just the high-order double to test for NaN.
2275         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
2276         test just the high double for Inf but both doubles for subnormal
2277         limit.
2278
2279 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
2280
2281         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2282         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2283         node->simdclone->mask_mode != VOIDmode masks.
2284         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
2285         earlier, use it instead of node->simdclone.
2286         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2287         Set clonei->mask_mode.
2288
2289 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2290
2291         PR c/70436
2292         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2293         Pass it through to cp_parser_already_scoped_statement.
2294         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
2295         it through to cp_parser_statement.
2296         (cp_parser_statement): Pass IF_P through to
2297         cp_parser_iteration_statement.
2298         (cp_parser_pragma): Adjust call to
2299         cp_parser_iteration_statement.
2300
2301 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2302
2303         PR c/70436
2304         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2305         resolve a future -Wparentheses warning.
2306         * omp-low.c (scan_sharing_clauses): Likewise.
2307         * tree-parloops.c (eliminate_local_variables): Likewise.
2308
2309 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
2310
2311         PR rtl-optimization/70398
2312         * lra-constraints.c (process_address_1): Check zero scale and code
2313         for reloading with zero scale.
2314
2315 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
2316
2317         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2318         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2319
2320 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
2321
2322         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2323         Add support for AVX512F clones, include them by default for
2324         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
2325         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2326         up to 128.
2327
2328         PR middle-end/70550
2329         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2330         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2331         firstprivate clauses.
2332         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2333         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2334         (lower_omp_target): Set TREE_NO_WARNING for
2335         non-addressable possibly uninitialized vars which are copied into
2336         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2337
2338 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
2339
2340         * config/pa/predicates.md (integer_store_memory_operand): Accept
2341         REG+D operands with a large offset when reload_in_progress is true.
2342         (floating_point_store_memory_operand): Likewise.
2343
2344 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2345
2346         PR c++/70336
2347         * match.pd (nested int casts): Limit to GIMPLE.
2348
2349 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
2350
2351         PR ipa/66223
2352         * ipa-devirt.c (maybe_record_node): Fix comment; use
2353         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2354
2355 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2356
2357         PR rtl-optimization/70542
2358         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2359         if there are any uses other than insn or debug insns.
2360
2361 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
2362             Jakub Jelinek  <jakub@redhat.com>
2363
2364         PR tree-optimization/70509
2365         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2366         Shift HOST_WIDE_INT_1U instead of 1.
2367
2368 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
2369
2370         PR tree-optimization/70509
2371         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2372         of the vector base type for index.
2373
2374 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
2375
2376         PR target/70510
2377         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2378
2379 2016-04-05  Richard Biener  <rguenther@suse.de>
2380
2381         PR tree-optimization/70526
2382         * tree-sra.c (build_ref_for_offset): Use prev_base to
2383         extract the alias pointer type.
2384
2385 2016-04-05  Richard Biener  <rguenther@suse.de>
2386
2387         * dse.c (struct store_info): Remove alias_set member.
2388         (struct read_info_type): Likewise.
2389         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2390         spill_deleted, clear_alias_set_lookup): Remove.
2391         (get_group_info): Remove dead base == NULL_RTX case.
2392         (dse_step0): Remove initialization of removed variables.
2393         (delete_dead_store_insn): Reomve alias set dumping.
2394         (free_read_records): Remove alias_set handling.
2395         (canon_address): Remove alias_set_out parameter.
2396         (record_store): Remove spill_alias_set, it's always zero.
2397         (check_mem_read_rtx): Likewise.
2398         (dse_step2): Rename from ...
2399         (dse_step2_nospill): ... this.  Adjust.
2400         (scan_stores): Rename from ...
2401         (scan_stores_nospill): ... this.
2402         (scan_reads): Rename from ...
2403         (scan_reads_nospill): ... this.
2404         (scan_stores_spill, scan_reads_spill): Remove.
2405         (dse_step3_scan): Remove for_spills argument which is always false.
2406         (dse_step3): Likewise.
2407         (dse_step5): Rename from ...
2408         (dse_step5_nospill): ... this.  Remove alias_set handling.
2409         (rest_of_handle_dse): Adjust.
2410
2411 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2412
2413         PR target/70525
2414         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2415         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2416         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2417         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2418
2419 2016-04-05  Richard Biener  <rguenther@suse.de>
2420
2421         PR middle-end/70499
2422         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2423         non-register type temporaries into SSA.
2424
2425 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
2426
2427         PR ipa/66223
2428         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
2429         calls when sanitizing.
2430         (possible_polymorphic_call_target_p): Fix formatting.
2431
2432 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2433             Jakub Jelinek <jakub@redhat.com>
2434
2435         PR middle-end/70457
2436         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
2437         to ensure a call statement is compatible with a built-in's
2438         prototype.
2439         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
2440         Likewise.
2441
2442 2016-04-04  Richard Biener  <rguenther@suse.de>
2443
2444         PR rtl-optimization/70484
2445         * rtl.h (canon_output_dependence): Declare.
2446         * alias.c (canon_output_dependence): New function.
2447         * dse.c (record_store): Use canon_output_dependence rather
2448         than canon_true_dependence.
2449
2450 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2451
2452         PR ipa/68881
2453         * cgraph.h (symtab_node::copy_visibility_from): New function.
2454         * symtab.c (symtab_node::copy_visibility_from): New function.
2455         * ipa-visibility.c (optimize_weakref): New function.
2456         (function_and_variable_visibility): Use it.
2457
2458 2016-04-04  Martin Liska  <mliska@suse.cz>
2459
2460         PR hsa/70402
2461         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
2462         value that is really in range handled by SBR instruction.
2463         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
2464         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
2465         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
2466
2467 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
2468
2469         PR target/70416
2470         PR target/67391
2471         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
2472         set, but not for SP_REG operands.
2473
2474 2016-04-02  Martin Sebor  <msebor@redhat.com>
2475
2476         PR c++/67376
2477         * fold-const.c (maybe_nonzero_address): New function.
2478         (fold_comparison): Call it.  Fold equality and relational
2479         expressions involving null pointers.
2480         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
2481
2482 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
2483
2484         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
2485         the "Y" constraint (scalar FP 0.0 immediate).
2486
2487         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
2488         Add the "const_double" to the list of operand constraints.
2489
2490 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
2491
2492         PR rtl-optimization/70467
2493         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
2494         If low word of the last operand is 0, just emit addition/subtraction
2495         for the high word.
2496
2497 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2498
2499         PR target/70404
2500         * config/s390/s390.c (s390_expand_insv): Check for everything
2501         constant instead of just VOIDmode stuff.
2502
2503 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2504
2505         PR target/70496
2506         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
2507
2508 2016-04-01  Nathan Sidwell  <nathan@acm.org>
2509
2510         * tree.def (TRY_CATCH_EXPR): Correct documentation.
2511
2512 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2513
2514         PR rtl-optimization/70461
2515         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
2516         is necessary.
2517
2518 2016-03-31  Martin Liska  <mliska@suse.cz>
2519
2520         PR hsa/70399
2521         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
2522         a tree value or an immediate integer value to a buffer
2523         that is eventually copied to a BRIG section.
2524         (emit_immediate_operand): Call the function here.
2525         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
2526         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
2527         of class' fields that are removed.
2528         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
2529         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
2530         m_brig_repr_size fields.
2531
2532 2016-03-31  Martin Liska  <mliska@suse.cz>
2533
2534         PR hsa/70391
2535         * hsa-gen.c (hsa_function_representation::update_dominance): New
2536         function.
2537         (convert_addr_to_flat_segment): Likewise.
2538         (gen_hsa_memory_set): New alignment argument.
2539         (gen_hsa_ctor_assignment): Likewise.
2540         (gen_hsa_insns_for_single_assignment): Provide alignment
2541         to gen_hsa_ctor_assignment.
2542         (gen_hsa_insns_for_direct_call): Add new argument.
2543         (expand_lhs_of_string_op): New function.
2544         (expand_string_operation_builtin): Likewise.
2545         (expand_memory_copy): New function.
2546         (expand_memory_set): New function.
2547         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
2548         (convert_switch_statements): Change signature.
2549         (generate_hsa): Use a return value of the function.
2550         (pass_gen_hsail::execute): Do not call
2551         convert_switch_statements here.
2552         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
2553         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
2554         (hsa_function_representation::update_dominance): New function.
2555
2556 2016-03-31  Martin Liska  <mliska@suse.cz>
2557
2558         PR hsa/70391
2559         * hsa-brig.c (emit_directive_variable): Emit alignment
2560         according to hsa_symbol::m_align.
2561         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
2562         (dump_hsa_symbol): Dump alignment of HSA symbols.
2563         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
2564         (gen_hsa_addr_with_align): New function.
2565         (hsa_bitmemref_alignment): Use newly added function.
2566         (gen_hsa_insns_for_load): Likewise.
2567         (gen_hsa_insns_for_store): Likewise.
2568         (gen_hsa_memory_copy): New argument added.
2569         (gen_hsa_insns_for_single_assignment): Respect
2570         alignment for assignments processed via gen_hsa_memory_copy.
2571         (gen_hsa_insns_for_direct_call): Likewise.
2572         (gen_hsa_insns_for_return): Likewise.
2573         (gen_function_def_parameters): Set default alignment.
2574         * hsa.c (hsa_object_alignment): New function.
2575         (hsa_byte_alignment): Pasted function.
2576         * hsa.h (hsa_symbol::m_align): New field.
2577
2578 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
2579
2580         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
2581         scratch field for goto case.
2582
2583 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
2584
2585         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
2586
2587 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
2588
2589         PR target/70442
2590         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
2591         (scalar_chain::convert_insn): Call convert_op for reg
2592         moves to handle undefined registers.
2593
2594 2016-03-31  Nathan Sidwell  <nathan@acm.org>
2595
2596         PR c++/70393
2597         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
2598         Assert we don't want to move backwards.
2599
2600 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2601
2602         PR target/70453
2603         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
2604
2605 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
2606
2607         PR rtl-optimization/70460
2608         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
2609         with operand from REG_LABEL_OPERAND, instead substitute
2610         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
2611         Don't do anything for REG_NON_LOCAL_GOTO jumps.
2612
2613 2016-03-31  Martin Liska  <mliska@suse.cz>
2614
2615         * passes.c (execute_one_pass): Do not call
2616         todo_after for a discarded function.
2617
2618 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
2619
2620         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
2621         (no_cost, infinite_cost): Initialize the new field.
2622         (get_computation_cost_at): Record setup cost.
2623         (determine_use_iv_cost_address): Skip cost computation for sub
2624         uses if we can estimate it without losing accuracy.
2625
2626 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2627
2628         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2629         estimates here.
2630         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2631         max_loop_iterations_int.
2632         (tree_unswitch_outer_loop): Likewise.
2633         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2634         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2635
2636 2016-03-30  Richard Biener  <rguenther@suse.de>
2637
2638         PR middle-end/70450
2639         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
2640
2641 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
2642
2643         PR target/70421
2644         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
2645         in gen_blendm expander.
2646
2647 2016-03-30  Nick Clifton  <nickc@redhat.com>
2648
2649         PR target/62254
2650         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
2651         case where we are already provided with an SImode SUBREG.
2652
2653 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2654
2655         PR target/70439
2656         * config/i386/i386.c (ix86_expand_epilogue): Properly check
2657         conflict between DRAP register and __builtin_eh_return.
2658
2659 2016-03-30  Michael Matz  <matz@suse.de>
2660             Richard Biener  <rguenther@suse.de>
2661
2662         PR ipa/12392
2663         * ipa-polymorphic-call.c (struct type_change_info): Change
2664         speculative to an unsigned allowing to limit the work we do.
2665         (csftc_abort_walking_p): New inline function..
2666         (check_stmt_for_type_change): Limit the number of may-defs
2667         skipped for speculative devirtualization to
2668         max-speculative-devirt-maydefs.
2669         * params.def (max-speculative-devirt-maydefs): New param.
2670         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
2671
2672 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
2673
2674         PR target/63890
2675         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
2676         and TARGET_MACHO.
2677
2678 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
2679
2680         PR tree-optimization/59124
2681         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
2682         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
2683
2684 2016-03-29  Jeff Law  <law@redhat.com>
2685
2686         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
2687
2688 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2689
2690         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
2691         to HOST_WIDE_INT.
2692
2693 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
2694
2695         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
2696         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
2697         gcrt0.o if linking dynamically.
2698
2699 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
2700
2701         PR ipa/70283
2702         * ipa-devirt.c (methods_equal_p): New function.
2703         (compare_virtual_tables): Use it.
2704         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
2705         * cgraphclones.c (clone_function_name_1): Use
2706         symbol_table::symbol_suffix_separator.
2707         * coverage.c (build_var): Likewise.
2708         * symtab.c (symbol_table::symbol_suffix_separator): New.
2709
2710 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
2711
2712         PR rtl-optimization/70429
2713         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
2714         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
2715         mode != result_mode.
2716
2717         PR c++/70353
2718         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
2719
2720         PR tree-optimization/70405
2721         * ssa-iterators.h (num_imm_uses): Add missing braces.
2722
2723 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
2724
2725         PR rtl-optimization/68695
2726         * ira-color.c (allocno_copy_cost_saving): New.
2727         (improve_allocation): Use it.
2728
2729 2016-03-29  Richard Henderson  <rth@redhat.com>
2730
2731         PR middle-end/70355
2732         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
2733
2734 2016-03-29  Richard Biener  <rguenther@suse.de>
2735
2736         PR middle-end/70424
2737         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
2738         use alignment returned by get_pointer_alignment_1 if it is
2739         bigger than BITS_PER_UNIT.
2740         * builtins.c (get_pointer_alignment_1): Do not return true
2741         for alignment extracted from SSA info.
2742
2743 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
2744
2745         * config/ft32/ft32.opt (mnodiv): New.
2746         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
2747         * doc/invoke.texi (FT32 Options -mnodiv): New.
2748
2749 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
2750
2751         PR target/70406
2752         * config/i386/i386.md (define_split, andn): Fix modes.
2753
2754 2016-03-26  Richard Biener  <rguenther@suse.de>
2755             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
2756
2757         PR ipa/70366
2758         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
2759         instead of
2760         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
2761         as 2nd argument to cl_optimization_restore().
2762
2763 2016-03-25  Richard Henderson  <rth@redhat.com>
2764
2765         PR target/70120
2766         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
2767         * config/aarch64/aarch64-protos.h: Declare it.
2768         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
2769
2770 2016-03-25  Alan Modra  <amodra@gmail.com>
2771
2772         PR target/70052
2773         * config/rs6000/constraints.md (j): Simplify.
2774         * config/rs6000/predicates.md (easy_fp_constant): Exclude
2775         decimal float 0.D.
2776         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
2777         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
2778          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
2779         in all constraint alternatives.
2780         (movtd_64bit_nodm): Delete "j" constraint alternative.
2781
2782 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
2783
2784         * tree-ssa-propagate.c: Enhance docs for
2785         SSA_PROP_NOT_INTERESTING.
2786
2787 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
2788
2789         * doc/extend.texi: Fix typo in documentation to pure attribute.
2790
2791 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
2792
2793         PR target/70319
2794         * config/pa/pa.md (bswapdi2): Use a scratch register.
2795
2796 2016-03-24  Richard Henderson  <rth@redhat.com>
2797
2798         PR middle-end/69845
2799         * fold-const.c (extract_muldiv_1): Correct test for multiplication
2800         overflow.
2801
2802 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
2803
2804         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
2805         using ix86_expand_binary_operator instead of gen_andsi3.
2806
2807 2016-03-24  Richard Biener  <rguenther@suse.de>
2808
2809         PR tree-optimization/70396
2810         * tree-vect-stmts.c (vectorizable_comparison): Use
2811         get_vectype_for_scalar_type.
2812
2813 2016-03-24  Richard Biener  <rguenther@suse.de>
2814
2815         PR middle-end/70370
2816         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
2817         with register bases.
2818
2819 2016-03-24  Richard Biener  <rguenther@suse.de>
2820
2821         PR tree-optimization/70372
2822         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
2823         build_all_ones_cst to also handle vector types correctly.
2824
2825 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
2826
2827         PR target/70381
2828         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
2829         -mfloat128 here.
2830
2831 2016-03-23  Marek Polacek  <polacek@redhat.com>
2832
2833         PR c++/69884
2834         * doc/invoke.texi: Document -Wignored-attributes.
2835
2836 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
2837
2838         PR tree-optimization/69042
2839         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
2840         parameter from 30 to 40.
2841
2842 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
2843
2844         PR tree-optimization/69042
2845         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
2846         for use with constant offset stripped in base.
2847
2848 2016-03-23  Richard Biener  <rguenther@suse.de>
2849
2850         PR middle-end/70251
2851         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
2852         mode compatibility check.
2853         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2854
2855 2016-03-23  Jeff Law  <law@redhat.com>
2856
2857         PR tree-optimization/64058
2858         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
2859         CONFLICT_COUNT.
2860         (struct ssa_conflicts): Move up earlier in the file.
2861         (conflicts_, var_map_): New static variables.
2862         (initialize_conflict_count): New function to initialize the
2863         CONFLICT_COUNT field for each conflict pair.
2864         (compare_pairs): Lazily initialize the conflict count and use it
2865         as the first tie-breaker.
2866         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
2867         and wipe conflicts_ and map_ around the call to qsort.  Remove
2868         special case for 2 coalesce pairs.
2869         * bitmap.c (bitmap_count_unique_bits): New function.
2870         (bitmap_count_bits_in_word): New function, extracted from
2871         bitmap_count_bits.
2872         (bitmap_count_bits): Use bitmap_count_bits_in_word.
2873         * bitmap.h (bitmap_count_unique_bits): Declare it.
2874
2875 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
2876
2877         PR target/69917
2878         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
2879         transparent alias chain for decl assembler name.
2880         * config/sol2.c (solaris_assemble_visibility): Likewise.
2881
2882 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2883
2884         * config/arm/arm1020e.md (1020call_op): Reduce reservation
2885         duration.
2886         (v10_fdivs): Likewise.
2887         (v10_fdivd): Likewise.
2888
2889 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2890
2891         PR driver/70132
2892         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
2893         to not call fclose twice on file.
2894
2895 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
2896
2897         PR tree-optimization/70354
2898         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
2899         oprnd0 is wider than oprnd1 and there is a cast from the wider
2900         type to oprnd1, mask it with the mask of the narrower type.
2901
2902         PR target/70321
2903         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
2904         Optimize TARGET_STV splitters, if high or low word of last argument
2905         is 0 or -1.
2906
2907 2016-03-22  Jeff Law  <law@redhat.com>
2908
2909         PR target/70232
2910         tree-ssa-threadbackward.c
2911         (fsm_find_control_statement_thread_paths): Correctly distinguish
2912         between old style jump threads vs FSM jump threads.
2913
2914 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
2915
2916         PR target/70302
2917         * config/i386/i386.c (scalar_chain::convert_op): Support
2918         uninitialized register usage case.
2919
2920 2016-03-22  Richard Biener  <rguenther@suse.de>
2921
2922         PR middle-end/70251
2923         * genmatch.c (gen_transform): Adjust last parameter to a three-state
2924         int...
2925         (capture::gen_transform): ... to change behavior when substituting
2926         a condition into cond or not-cond expr context.
2927         (dt_simplify::gen_1): Adjust.
2928         * gimple-match-head.c: Include gimplify.h for unshare_expr.
2929         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
2930         last change and instead change to
2931         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
2932         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
2933
2934 2016-03-22  Anthony Green  <green@moxielogic.com>
2935
2936         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
2937         issue for moxiebox targets.
2938         (CC1PLUS_SPEC): Ditto.
2939
2940 2016-03-22  Richard Biener  <rguenther@suse.de>
2941
2942         PR middle-end/70333
2943         * fold-const.c (extract_muldiv_1): Properly perform multiplication
2944         in the wide type.
2945
2946 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
2947
2948         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
2949
2950 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
2951
2952         PR target/70325
2953         * config/i386/i386.c (def_builtin): Handle
2954         OPTION_MASK_ISA_AVX512VL to be and-ed with other
2955         bits.
2956         (const struct builtin_description bdesc_special_args[]):
2957         Remove duplicate ISA bits.
2958
2959 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
2960
2961         PR target/70329
2962         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
2963         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
2964         in a way that works also for AVX512BW.
2965
2966         PR target/70300
2967         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
2968         instead of source if operands[1] is xmm16 and above and
2969         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
2970         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
2971
2972         PR c++/70295
2973         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
2974         on assign if (*from_p) is a comparison, set it to
2975         TREE_NO_WARNING (*from_p).
2976
2977 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
2978
2979         PR middle-end/70326
2980         * lra.c (restore_scratches): Ignore deleted insns.
2981
2982 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
2983             Jakub Jelinek  <jakub@redhat.com>
2984
2985         PR tree-optimization/70317
2986         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
2987         to HONOR_NANS.
2988
2989 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
2990
2991         PR target/70327
2992         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
2993         of ix86_expand_move.
2994         (movoi): Ditto.
2995         (movti): Use general_operand for operand 1 predicate.
2996
2997 2016-03-21  Martin Liska  <mliska@suse.cz>
2998
2999         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3000         insns.
3001         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3002
3003 2016-03-21  Martin Liska  <mliska@suse.cz>
3004
3005         PR ipa/70306
3006         * ipa-icf.c (sem_function::parse): Skip static
3007         constructors and destructors.
3008
3009 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3010
3011         PR target/70296
3012         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3013         function-like macro, peek following token(s) if it is followed
3014         by CPP_OPEN_PAREN token with optional padding in between, and
3015         if not, don't treat it like a macro.
3016
3017 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
3018             Alexander Monakov  <amonakov@ispras.ru>
3019
3020         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3021         for the stabs debug format.
3022
3023 2016-03-21  Richard Biener  <rguenther@suse.de>
3024
3025         PR tree-optimization/70310
3026         * tree-vect-generic.c (expand_vector_condition): Fold the built
3027         condition.
3028
3029 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
3030
3031         PR target/70293
3032         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3033         Block third alternative for AVX-512VL target,
3034
3035 2016-03-21  Martin Liska  <mliska@suse.cz>
3036
3037         PR hsa/70234
3038         * hsa-brig.c (emit_function_directives): Mark unemitted
3039         global variables for emission.
3040         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3041         (get_symbol_for_decl): Likewise.
3042         * hsa.h (struct hsa_symbol): New flag.
3043
3044 2016-03-21  Richard Biener  <rguenther@suse.de>
3045
3046         PR tree-optimization/70288
3047         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3048         we do not estimate unsimplified all-constant conditionals or
3049         switches as optimized away.
3050
3051 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
3052
3053         PR rtl-optimization/69102
3054         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3055         when we have a readonly dependency context.
3056
3057 2016-03-18  Jeff Law  <law@redhat.com>
3058
3059         PR rtl-optimization/70263
3060         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3061         (update_equiv_regs): When trying to move a store to after the insn
3062         that sets the source of the store, make sure the store occurs after
3063         the insn that sets the source of the store.  When successful note
3064         the REG_EQUIV note created in the dump file.
3065
3066 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
3067             Bernd Schmidt  <bschmidt@redhat.com>
3068
3069         * doc/extend.texi: Document more potential problems with basic asms.
3070
3071 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
3072
3073         PR rtl-optimization/70278
3074         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3075         VOIDmode.
3076
3077 2016-03-18  Jason Merrill  <jason@redhat.com>
3078
3079         * calls.c (load_register_parameters): Fix zero size sibcall logic.
3080
3081 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3082
3083         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3084         values to 128b regs.
3085
3086 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3087
3088         PR tree-optimization/70252
3089         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3090         boolean vector has a proper number of elements.
3091         (supportable_narrowing_operation): Likewise.
3092
3093 2016-03-18  Tom de Vries  <tom@codesourcery.com>
3094
3095         PR ipa/70269
3096         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3097
3098 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
3099
3100         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3101         instead of replace_rtx for DEBUG_INSNs.
3102
3103 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3104
3105         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3106         load type reservations.
3107
3108 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
3109
3110         PR target/70188
3111         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
3112         define_constraint for "Q" and "T" constraints.
3113
3114 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
3115
3116         Tweak the pipeline model for Exynos M1
3117
3118         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
3119         model.
3120
3121 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
3122
3123         PR c/70264
3124         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3125         where one or both locations aren't within a line_map.
3126
3127 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3128
3129         PR driver/70192
3130         * opts.c (finish_options): Don't set flag_pie to the default if
3131         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
3132         if it is -1.
3133
3134 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
3135
3136         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3137         true as ALL_REGS argument to replace_rtx.
3138
3139 2016-03-17  Richard Biener  <rguenther@suse.de>
3140
3141         PR debug/70271
3142         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3143         last.
3144
3145 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3146
3147         PR target/70245
3148         * rtl.h (replace_rtx): Add ALL_REGS argument.
3149         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
3150         equality and assert mode is the same, instead of just rtx pointer
3151         equality.
3152         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3153         true as ALL_REGS argument to replace_rtx.
3154
3155 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
3156
3157         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3158         for boolean vector with vector mode only.
3159         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3160
3161 2016-03-17  Nick Clifton  <nickc@redhat.com>
3162
3163         PR target/70162
3164         * config/rx/rx.c (rx_print_integer): Print negative constants in
3165         decimal.
3166
3167 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3168
3169         PR target/70261
3170         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3171
3172 2016-03-16  Richard Henderson  <rth@redhat.com>
3173             Richard Biener  <rguenth@suse.de>
3174
3175         PR middle-end/70240
3176         PR middle-end/68215
3177         PR tree-opt/68714
3178         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3179         first operand as is_gimple_condexpr.
3180
3181         PR middle-end/70240
3182         PR middle-end/68215
3183         Revert r231575
3184         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
3185         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3186         Do not gimplify the result.
3187         (do_unop): Adjust call to tree_vec_extract.
3188         (do_binop): Likewise.
3189         (do_compare): Likewise.
3190         (do_plus_minus): Likewise.
3191         (do_negate): Likewise.
3192         (expand_vector_condition): Likewise.
3193         (do_cond): Likewise.
3194
3195 2016-03-16  Richard Henderson  <rth@redhat.com>
3196
3197         PR target/70048
3198         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3199         (aarch64_classify_address): Use it.
3200         (aarch64_legitimize_address): Force all subexpressions of PLUS
3201         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
3202
3203 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
3204             Richard Biener  <rguenth@suse.de>
3205
3206         PR target/70245
3207         * rtlanal.c (replace_rtx): For REG, if from is a REG,
3208         return to even if only REGNO is equal, and assert
3209         mode is the same.
3210
3211 2016-03-11  Jeff Law  <law@redhat.com>
3212
3213         PR rtl-optimization/70224
3214         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3215
3216 2016-03-16  Richard Henderson  <rth@redhat.com>
3217
3218         PR middle-end/70199
3219         * function.h (struct function): Add has_forced_label_in_static.
3220         * gimplify.c (force_labels_r): Set it.
3221         * lto-streamer-in.c (input_struct_function_base): Read it.
3222         * lto-streamer-out.c (output_struct_function_base): Write it.
3223         * tree-inline.c (has_label_address_in_static_1): Remove.
3224         (copy_forbidden): Remove fndecl parameter; test
3225         has_forced_label_in_static.
3226         (inline_forbidden_p): Update call to copy_forbidden.
3227         (tree_versionable_function_p): Likewise.
3228         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3229         (chkp_versioning): Likewise.
3230         * tree-inline.h (copy_forbidden): Update decl.
3231
3232 2016-03-16  Marek Polacek  <polacek@redhat.com>
3233
3234         PR c/70093
3235         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3236         function being thunked if the result type doesn't have fixed size.
3237         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3238         doesn't have fixed size.
3239
3240 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
3241
3242         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3243         reporting malformed loop nest.
3244
3245 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3246
3247         PR lto/70187
3248         * ipa-devirt.c (possible_polymorphic_call_targets): Move
3249         nodes.length () == 1 test to before first nodes[0] access.
3250
3251 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3252
3253         PR tree-optimization/68715
3254         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3255         single_pred_p test.
3256
3257 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3258
3259         PR tree-optimization/68809
3260         * graphite-scop-detection.c (same_close_phi_node): Test if result types
3261         are the same.
3262
3263 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
3264             Sandra Loosemore  <sandra@codesourcery.com>
3265
3266         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3267         on leaf attribute. Mention ELF interposition problems.
3268
3269 2016-03-16  Alan Modra  <amodra@gmail.com>
3270
3271         PR rtl-optimization/69195
3272         PR rtl-optimization/47992
3273         * ira.c (indirect_jump_optimize): Ignore artificial defs.
3274         Add comments.
3275
3276 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
3277
3278         PR bootstrap/69513
3279         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3280
3281 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3282
3283         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3284
3285 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
3286
3287         PR rtl-optimization/70222
3288         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3289         optimization if mode is different from result_mode, queue up masking
3290         of the result in outer_op.  Formatting fix.
3291
3292         PR middle-end/70239
3293         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3294         of safe_grow.
3295
3296 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3297
3298         PR rtl-optimization/69032
3299         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3300         looping backwards over basic block insns.
3301
3302 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3303
3304         PR target/66660
3305         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3306         to non-speculative when propagating trap bits.
3307
3308 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3309
3310         PR rtl-optimization/63384
3311         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3312         DEBUG_INSN_P insns.
3313
3314 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3315
3316         PR target/64411
3317         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3318         factored out from ...
3319         (sched_analyze_insn): ... here.
3320         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3321         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3322         get_implicit_reg_pending_clobbers in it.
3323         (setup_id_reg_sets): Use setup_id_implicit_regs.
3324         (deps_init_id): Ditto.
3325
3326 2016-03-15  Tom de Vries  <tom@codesourcery.com>
3327
3328         PR ipa/70161
3329         * cgraph.c (cgraph_node::get_body): Save, reset and restore
3330         dump_file_name.
3331         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3332         execute_function_dump.
3333         (execute_one_pass): Don't dump function if it will be dumped after ipa
3334         transform.
3335
3336 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
3337
3338         * genrecog.c (match_pattern_2): If pred is NULL don't call
3339         safe_predicate_mode on it.
3340
3341 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
3342
3343         PR middle-end/70219
3344         * lra-constraints.c (delete_move_and_clobber): Change assertion
3345         to also allow dregno == 0.
3346
3347 2016-03-14  Richard Henderson  <rth@redhat.com>
3348
3349         PR tree-opt/68714
3350         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3351         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3352         (reassociate_bb): Use optimize_vec_cond_expr; avoid
3353         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3354         on vectors.
3355
3356 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3357
3358         PR target/70083
3359         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3360         regs.
3361         (lra_create_live_ranges_1): initialize hard register biggest_mode to
3362         VOIDmode.
3363         * lra-constraints.c (split_reg): For hard regs, try to find the
3364         biggest single-register mode used in the function.
3365
3366 2016-03-14  Richard Biener  <rguenther@suse.de>
3367
3368         PR tree-optimization/56365
3369         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3370         constants to compare against.
3371
3372 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
3373
3374         PR target/70098
3375         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3376         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3377         (define_split for the GPR case): Use int_reg_operand instead of
3378         gpc_reg_operand for the output.
3379
3380 2016-03-14  Tom de Vries  <tom@codesourcery.com>
3381
3382         PR tree-optimization/70045
3383         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3384         create_empty_if_region_on_edge argument.
3385
3386 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
3387
3388         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3389         (STACK_CHECK_PROTECT): Likewise.
3390         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3391         (STACK_CHECK_PROTECT): Likewise.
3392         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3393         (STACK_CHECK_PROTECT): Likewise.
3394         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3395         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3396         (STACK_CHECK_PROTECT): Likewise.
3397
3398 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
3399
3400         PR rtl-optimization/69307
3401         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3402         registers in modes that span more than one register.
3403
3404 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3405
3406         PR target/69614
3407         * lra-constraints.c (delete_move_and_clobber): New.
3408         (remove_inheritance_pseudos): Use it.
3409
3410 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
3411
3412         PR ada/70017
3413         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3414         the libcall is LCT_THROW.
3415         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3416         for the checking routine.
3417
3418 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3419
3420         PR target/70131
3421         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3422         optimization if we have direct move.
3423         (roundu32<mode>2_fprs): Likewise.
3424
3425 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
3426
3427         PR target/70123
3428         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
3429         be rematerialized.
3430         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
3431         Arguments swapped.  All callers changed.  Take reg_renumber into
3432         account, and Calculate and compare register ranges for hard regs.
3433
3434 2016-03-11  Jeff Law  <law@redhat.com>
3435
3436         PR tree-optimization/70190
3437         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3438         Handle cases where we can not extract the taken edge, even though we
3439         found a constant value.
3440
3441         PR tree-optimization/64058
3442         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
3443         (num_coalesce_pairs): Move up earlier in file.
3444         (find_coalesce_pair): Initialize the INDEX field for each pair
3445         discovered.
3446         (compare_pairs): No longer sort on the elements in each pair.
3447         Instead break ties with the index of the coalesce pair.
3448
3449 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3450
3451         PR target/70002
3452         * config/aarch64/aarch64-protos.h
3453         (aarch64_save_restore_target_globals): New prototype.
3454         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
3455         Call the above when popping pragma.
3456         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
3457         New function.
3458         (aarch64_set_current_function): Rewrite using the above.
3459
3460 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
3461
3462         PR tree-optimization/70177
3463         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
3464         (extract_ops_from_tree): ... this.  In the 2 argument
3465         overload remove _1 suffix.
3466         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
3467         (extract_ops_from_tree): ... this.
3468         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
3469         Adjust callers.
3470         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3471         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
3472         extract_ops_from_tree instead of 2 operand one.
3473
3474 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
3475
3476         PR tree-optimization/70013
3477         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
3478         for constant-pool entries.
3479
3480 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
3481
3482         PR rtl-optimization/70174
3483         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
3484         followed by gen_lowpart on force_reg instead of just gen_lowpart.
3485
3486         PR tree-optimization/70169
3487         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
3488         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
3489         for unknown codes.
3490
3491 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
3492             Jakub Jelinek  <jakub@redhat.com>
3493
3494         PR target/70160
3495         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
3496         of uninitialized values.
3497
3498 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3499
3500         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
3501         define_expand.
3502         ("*trunctddd2"): New pattern definition.
3503         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
3504         TD->DD truncation.
3505
3506 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3507
3508         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
3509         definitions for BFP and DFP rounding modes.
3510         ("fixuns_truncdddi2", "fixuns_trunctddi2")
3511         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
3512         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
3513         ("fix_trunctf<mode>2"): Use the new constants instead of magic
3514         numbers.
3515
3516 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3517
3518         * config/s390/constraints.md: Adjust comment.
3519         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
3520         s390_decompose_addrstyle_without_index.
3521         * config/s390/predicates.md (shift_count_or_setmem_operand):
3522         Rename to setmem_operand.
3523         * config/s390/s390-protos.h
3524         (s390_decompose_shift_count): Rename to
3525         s390_decompose_addrstyle_without_index.
3526         * config/s390/s390.c (s390_decompose_shift_count)
3527         (s390_mem_constraint, print_shift_count_operand)
3528         (print_operand_address, print_operand): Rename
3529         s390_decompose_shift_count to
3530         s390_decompose_addrstyle_without_index and rename
3531         print_shift_count_operand to print_addrstyle_operand troughout the
3532         file.
3533         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
3534         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
3535         Rename shift_count_or_setmem_operand to setmem_operand.
3536         * config/s390/vx-builtins.md ("vec_insert<mode>")
3537         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
3538         nonmemory_operand.
3539
3540 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3541
3542         PR target/70168
3543         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3544         Handle overlapping retval and newval.
3545
3546 2016-03-10  Nick Clifton  <nickc@redhat.com>
3547
3548         PR target/7044
3549         * config/aarch64/aarch64.c
3550         (aarch64_override_options_after_change_1): When forcing
3551         flag_omit_frame_pointer to be true, use a special value that can
3552         be detected if this function is called again, thus preventing
3553         flag_omit_leaf_frame_pointer from being forced to be false.
3554
3555 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3556
3557         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
3558         Set x_flag_omit_leaf_frame_pointer when handling
3559         -momit-leaf-frame-pointer.
3560
3561 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3562
3563         PR lto/69589
3564         * cgraph.c (cgraph_node::dump): Dump split_part and
3565         indirect_call_target.
3566         * cgraph.h (cgraph_node): Add indirect_call_target flag.
3567         * ipa.c (has_addr_references_p): Cleanup.
3568         (is_indirect_call_target_p): New.
3569         (walk_polymorphic_call_targets): Do not mark virtuals that may be
3570         called indirectly as local.
3571         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
3572
3573 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3574
3575         PR ipa/69630
3576         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3577         on cxa_pure_virtual.
3578
3579 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3580
3581         PR lto/69589
3582         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
3583
3584 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3585
3586         PR lto/69589
3587         * tree.c (need_assembler_name_p): Only record main variant type names.
3588
3589 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
3590
3591         PR target/70113.
3592         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
3593         Always define to 0 or 1.
3594         (TARGET_FIX_ERR_A53_843419): New macro.
3595         * config/aarch64/aarch64-elf-raw.h
3596         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
3597         * config/aarch64/aarch64-linux.h: Likewise.
3598         * config/aarch64/aarch64.c
3599         (aarch64_override_options_after_change_1): Do not default
3600         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
3601         843419 is on.
3602         (aarch64_attributes): Handle fix-cortex-a53-843419.
3603         (aarch64_can_inline_p): Likewise.
3604         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
3605
3606 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
3607         Jakub Jelinek <jakub@redhat.com>
3608
3609         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
3610         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
3611         DECL_COMMONS if flag_unconstrained_commons is set.
3612         * tree-dfa.c (get_ref_base_and_extent): Likewise.
3613         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
3614         (funconstrained-commons): Document.
3615
3616 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
3617
3618         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
3619         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
3620
3621 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
3622
3623         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
3624         has a proper number of elements.
3625
3626 2016-03-10  Alan Modra  <amodra@gmail.com>
3627
3628         PR rtl-optimization/69195
3629         PR rtl-optimization/47992
3630         * ira.c (recorded_label_ref): Delete.
3631         (update_equiv_regs): Return void.
3632         (indirect_jump_optimize): New function.
3633         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
3634         before regstat_compute_ri.  Don't rebuild_jump_labels here.
3635         Delete update_regstat.
3636
3637 2016-03-10  Richard Biener  <rguenther@suse.de>
3638
3639         PR tree-optimization/70128
3640         * tree-ssa-structalias.c (set_uids_in_ptset): Set
3641         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
3642
3643 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
3644
3645         PR tree-optimization/70152
3646         * tree-sra.c (replace_removed_params_ssa_names): Copy over
3647         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
3648
3649         PR target/70086
3650         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
3651         instead of gen_sse2_loadlpd.
3652         * config/i386/sse.md (*vec_concatv2df): Rename to...
3653         (vec_concatv2df): ... this.
3654
3655         PR tree-optimization/70127
3656         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
3657
3658 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
3659
3660         PR c/68473
3661         PR c++/70105
3662         * diagnostic-show-locus.c (compatible_locations_p): New function.
3663         (layout::layout): Sanitize ranges using compatible_locations_p.
3664
3665 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
3666
3667         PR c/68473
3668         PR c++/70105
3669         * diagnostic-show-locus.c (layout_range::layout_range): Replace
3670         location_range param with three const expanded_locations * and a
3671         bool.
3672         (layout::layout): Replace call to
3673         rich_location::lazily_expand_location with get_expanded_location.
3674         Extract the range and perform location expansion here, passing
3675         the results to the layout_range ctor.
3676         * diagnostic.c (source_range::debug): Delete.
3677         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
3678         of rich_location::get_expanded_location.
3679         * gcc-rich-location.c (get_range_for_expr): Delete.
3680         (gcc_rich_location::add_expr): Reimplement to avoid the
3681         rich_location::add_range overload that took a location_range,
3682         passing a location_t instead.
3683
3684 2016-03-09  Richard Biener  <rguenther@suse.de>
3685         Jakub Jelinek  <jakub@redhat.com>
3686
3687         PR tree-optimization/70138
3688         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
3689         Also skip vect_double_reduction_def.
3690
3691 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
3692
3693         PR target/70049
3694         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
3695         if the operand is "m".
3696
3697 2016-03-09  Nathan Sidwell  <nathan@acm.org>
3698
3699         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
3700
3701 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3702
3703         * config/i386/i386.c (processor_target_table): Fix cost table
3704         intialization order for znver1.
3705
3706 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
3707
3708         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
3709         - becuase -> because.
3710         * ipa-reference.c (ignore_module_statics): Likewise.
3711         * cgraph.c (cgraph_node::get_body): Likewise.
3712         * ipa-inline.c (early_inliner): Likewise.
3713         * ipa-devirt.c (types_same_for_odr): Likewise.
3714         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
3715         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
3716
3717 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3718
3719         * tree-ssa-math-opts.c: Fix typo in comment.
3720
3721 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
3722
3723         PR target/70110
3724         * config/i386/i386.c (scalar_chain::make_vector_copies,
3725         scalar_chain::convert_reg): Call end_sequence in between
3726         get_insns and emit_conversion_insns rather than after both
3727         calls.
3728
3729 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
3730
3731         PR target/70064
3732         * config/i386/i386.h (machine_function): Add
3733         pc_thunk_call_expanded flag.
3734         (ix86_pc_thunk_call_expanded): New define.
3735         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
3736         (*set_got): Rename insn pattern from set_got.
3737         (*set_got_labelled): Rename inst pattern from set_got_labelled.
3738         * config/i386/i386.c (ix86_compute_frame_layout): Use
3739         ix86_pc_thunk_call_expanded to prevent red-zone.
3740
3741 2016-03-07  Martin Jambor  <mjambor@suse.cz>
3742
3743         * hsa.h (hsa_get_ctor_statements): Declare.
3744         (hsa_get_dtor_statements): Likewise.
3745         (hsa_get_kernel_dispatch_type): Likewise.
3746         * hsa.c (hsa_get_ctor_statements): New function.
3747         (hsa_get_dtor_statements): Likewise.
3748         (hsa_get_kernel_dispatch_type): Likewise.
3749         * hsa-brig.c (hsa_cdtor_statements): Removed.
3750         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
3751         hsa_get_dtor_statements.
3752         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
3753         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
3754
3755 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
3756
3757         * config/arm/arm-cores.def (cortex-r8): New.
3758         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
3759         * config/arm/arm-tune.md: Likewise.
3760         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
3761
3762 2016-03-07  Martin Sebor  <msebor@redhat.com>
3763
3764         PR rtl-optimization/19705
3765         * doc/invoke.texi (Options That Control Optimization): Clarify
3766         -fno-branch-count-reg.
3767
3768 2016-02-26  Richard Biener  <rguenther@suse.de>
3769             Jeff Law  <law@redhat.com>
3770
3771         PR tree-optimization/69740
3772         * cfghooks.c (remove_edge): Request loop fixups if we delete
3773         an edge that might turn an irreducible loop into a natural
3774         loop.
3775         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
3776         Move after definition of loops_state_clear.
3777
3778 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
3779
3780         PR rtl-optimization/69052
3781         * rtlanal.c (commutative_operand_precedence): Set higher precedence
3782         to CONST_WIDE_INT.
3783
3784 2016-03-07  Tom de Vries  <tom@codesourcery.com>
3785
3786         PR tree-optimization/70116
3787         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
3788         is_tm_ending stmts and ubsan/asan internal functions.
3789         (find_duplicate): Use it.  Don't test is_tm_ending here.
3790
3791 2016-03-07  Richard Biener  <rguenther@suse.de>
3792
3793         PR tree-optimization/70115
3794         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
3795         (propagate_constants_for_unrolling): Use replace_uses_by.
3796
3797 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
3798
3799         PR middle-end/69916
3800         * omp-low.c (struct oacc_loop): Add ifns.
3801         (new_oacc_loop_raw): Initialize it.
3802         (finish_oacc_loop): Clear mask & flags if no ifns.
3803         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
3804         (oacc_loop_xform_loop): Add ifns arg & adjust.
3805         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
3806
3807 2016-03-07  Richard Henderson  <rth@redhat.com>
3808
3809         PR rtl-opt/70061
3810         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
3811         (insert_value_copy_on_edge): Likewise.
3812
3813 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3814
3815         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
3816
3817 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3818
3819         PR target/62281
3820         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
3821
3822 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
3823
3824         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
3825
3826 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
3827
3828         Fix sseimul type attribute.
3829         * config/i386/znver1.md
3830         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
3831         znver1_sseimul_avx256_load) : Fix the type attribute.
3832         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
3833         pipe usage and latency.
3834
3835 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
3836
3837         PR c++/70084
3838         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
3839         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
3840         to the right type.
3841
3842 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
3843
3844         PR c/69973
3845         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
3846
3847         PR rtl-optimization/69941
3848         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
3849         the reg share its mode.
3850
3851 2016-03-04  Jeff Law  <law@redhat.com>
3852
3853         PR tree-optimization/69196
3854         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3855         If the both SSA_NAMEs are anonymous, then consider them unassociated
3856         and include the PHI in the statement count.
3857
3858 2016-03-05  Tom de Vries  <tom@codesourcery.com>
3859
3860         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
3861         construct in oacc routine.  Check for oacc region in oacc routine.
3862
3863 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
3864
3865         PR target/70062
3866         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
3867         2016-02-22 changes, instead don't recurse if RECUR is already true.
3868         Don't change *dynamic_check if RECUR.  Adjust recursive caller
3869         to pass true to the new argument.
3870         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
3871
3872         PR target/70059
3873         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
3874         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
3875         fixes.
3876         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
3877
3878 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
3879
3880         PR rtl-optimization/57676
3881         * lra-assigns.c (lra_assign): Guard test for maximum iterations
3882         with flag_checking.
3883
3884 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
3885
3886         * tree-vect-patterns.c (search_type_for_mask): Handle
3887         comparison of booleans.
3888
3889 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
3890
3891         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
3892         Fix @xref usage.
3893
3894         PR debug/69947
3895         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
3896         all other ops that have dw_val_class_die_ref operands,
3897         and DW_OP_GNU_entry_value.
3898
3899 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3900
3901         PR rtl-optimization/69904
3902         * config/arm/arm.c (arm_cannot_copy_insn_p):
3903         Return true for load-exclusive instructions.
3904
3905 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
3906
3907         PR target/70021
3908         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
3909         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
3910         the pattern no matter if it is used just by non-pattern, pattern
3911         or mix thereof.
3912         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
3913         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3914         oprnd1 def_stmt is in pattern, don't look through it.
3915
3916 2016-03-03  Marek Polacek  <polacek@redhat.com>
3917
3918         PR middle-end/70050
3919         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
3920
3921 2016-03-03  Martin Liska  <mliska@suse.cz>
3922
3923         PR tree-optimization/70043
3924         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
3925         previous statement if we see a debug statement.
3926
3927 2016-03-03  Richard Biener  <rguenther@suse.de>
3928
3929         PR tree-optimization/55936
3930         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
3931         parameter and guard unsafe equivalence use.
3932         (vrp_evaluate_conditional_warnv_with_ops): Always use
3933         safe equivalences but not via the quadratic compare_names
3934         helper.
3935
3936 2016-03-03  Michael Collison  <michael.collison@linaro.org>
3937
3938         PR target/70014
3939         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
3940         for operand 1 to s_register_operand. Change predicate for operand
3941         2 to arm_not_immediate_operand.
3942
3943 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
3944
3945         * doc/tm.texi: Regenerated.
3946
3947 2016-03-02  Richard Henderson  <rth@redhat.com>
3948
3949         PR rtl-opt/67145
3950         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
3951         simplification when all args are positive non-fixed registers.
3952
3953 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3954
3955         * target.def (lra_p): Specify that new ports should use LRA.
3956
3957 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
3958
3959         PR libgomp/69555
3960         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
3961         gimplify_type_sizes the type they refer to.
3962         (omp_notice_variable): Handle reference vars to VLAs.
3963         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
3964         reference to VLA decls in the second pass instead of first pass.
3965
3966 2016-03-02  Tom de Vries  <tom@codesourcery.com>
3967
3968         PR tree-optimization/68659
3969         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
3970         new_expr == NULL_TREE.
3971         (get_new_name): Handle ADDR_EXPR.
3972
3973 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
3974
3975         PR rtl-optimization/69052
3976         * loop-invariant.c (canonicalize_address): New function.
3977         (inv_can_prop_to_addr_use): Check validity of address expression
3978         which is canonicalized by above function.
3979
3980 2016-03-02  Alan Modra  <amodra@gmail.com>
3981
3982         PR ipa/69990
3983         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
3984         larger alignment.
3985
3986 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
3987
3988         PR target/70028
3989         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
3990         (*movhi_internal): Put mask moves from and to memory separately
3991         from moves from/to GPRs.
3992
3993 2016-03-02  Richard Biener  <rguenther@suse.de>
3994
3995         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
3996         GENERIC expressions in GIMPLE.
3997
3998 2016-03-02  Richard Biener  <rguenther@suse.de>
3999
4000         * config/i386/i386.c (type_natural_mode): Fix typo.
4001
4002 2016-03-02  Nick Clifton  <nickc@redhat.com>
4003
4004         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4005
4006 2016-03-02  Richard Biener  <rguenther@suse.de>
4007             Uros Bizjak  <ubizjak@gmail.com>
4008
4009         PR target/67278
4010         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4011
4012 2016-03-02  Richard Biener  <rguenther@suse.de>
4013
4014         PR middle-end/67278
4015         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4016
4017 2016-03-02  Marek Polacek  <polacek@redhat.com>
4018
4019         PR c/67854
4020         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4021         "is promoted to" warning.
4022
4023 2016-03-01  DJ Delorie  <dj@redhat.com>
4024
4025         * config.gcc: Deprecate mep-*.
4026
4027 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
4028
4029         PR middle-end/70025
4030         * lra-constraints.c (regno_val_use_in): New.
4031         (match_reload): Use it instead of regno_use_in.
4032
4033 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4034
4035         PR rtl-optimization/70007
4036         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4037         references present in REG_EQUAL notes attached to non-SET patterns.
4038
4039 2016-03-01  Jeff Law  <law@redhat.com>
4040
4041         PR tree-optimization/69196
4042         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4043         Appropriately clamp the number of statements to copy when the
4044         thread path does not traverse a loop backedge.
4045
4046         PR tree-optimization/69196
4047         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4048         Do count some PHIs in the thread path against the insn count.  Decrease
4049         final statement count by one as the control statement in the last
4050         block will get removed.  Remove special cased code for handling PHIs
4051         in the last block.
4052
4053 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
4054
4055         PR target/70027
4056         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4057         asm dialect alternatives to explicit GOTPCREL calls.
4058
4059 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4060
4061         PR ada/70017
4062         * ira.c (do_reload): Issue warning for generic stack checking here...
4063         * reload1.c (reload): ...instead of here and streamline it.
4064
4065 2016-03-01  Nick Clifton  <nickc@redhat.com>
4066
4067         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4068
4069 2016-03-01  Richard Biener  <rguenther@suse.de>
4070
4071         PR tree-optimization/69983
4072         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4073         types and fall back to operand_equal_p.
4074
4075 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4076
4077         Revert
4078         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4079
4080         * config/s390/constraints.md ("jm8"): New constraint.
4081         * config/s390/predicates.md ("const_int_8bitset_operand"): New
4082         predicate.
4083         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4084         into ...
4085         ("*setmem_long<setmem_and>"): New pattern.
4086         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4087         into ...
4088         ("*setmem_long_31z<setmem_and>"): New pattern.
4089         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4090         New substitution rules with the required attributes.
4091
4092
4093 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4094
4095         Revert
4096         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4097
4098         * gensupport.c (process_substs_on_one_elem): Split loop to
4099         complete mark_operands_used_in_match_dup on all expressions in the
4100         vector first.
4101         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4102         and remove function.
4103
4104 2016-03-01  Richard Biener  <rguenther@suse.de>
4105
4106         PR middle-end/70022
4107         * fold-const.c (fold_indirect_ref_1): Fix range checking for
4108         vector BIT_FIELD_REF extract.
4109
4110 2016-03-01  Richard Biener  <rguenther@suse.de>
4111
4112         PR tree-optimization/69994
4113         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4114
4115 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
4116
4117         PR tree-optimization/69956
4118         * tree-vect-stmts.c (supportable_widening_operation): Support
4119         multi-step conversion of boolean vectors.
4120         (supportable_narrowing_operation): Likewise.
4121
4122 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4123
4124         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4125         anymore.
4126
4127 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4128
4129         * config/s390/subst.md (DSI_VI): New mode iterator.
4130         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4131         * config/s390/vector.md ("vec_set<mode>"): Move expander before
4132         the insn definition.
4133         ("*vec_set<mode>"): Change predicate and add alternative to
4134         support only either register or const_int operands as element
4135         selector.
4136         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4137         operands.
4138         ("vec_extract<mode>"): New expander.
4139         ("*vec_extract<mode>"): New insn definition supporting reg and
4140         const_int element selectors.
4141         ("*vec_extract<mode>_plus"): New insn definition supporting
4142         reg+const_int element selectors.
4143         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4144         following expander+insn definition.
4145         ("<vec_shifts_name><mode>3"): New expander.
4146         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4147
4148 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4149
4150         * config/s390/s390.md ("*tabort_1"): Change predicate to
4151         nonmemory_operand.  Add a second alternative to cover
4152         register as well as const int operands.
4153         ("*tabort_1_plus"): New pattern definition.
4154
4155 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4156
4157         * config/s390/s390.md ("*ashrdi3_cc_31")
4158         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4159         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4160         Merge insn definitions into ...
4161         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4162         New pattern definition.
4163         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4164         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4165         ("*ashr<mode>3_and"): Merge insn definitions into ...
4166         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4167         New pattern definition.
4168         * config/s390/subst.md ("addr_style_op_cc_subst")
4169         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4170         substitutions patterns plus attributes.
4171         Add ashiftrt to SUBST iterator.
4172
4173 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4174
4175         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4176         op2 to nonmemory_operand.
4177         ("*<shift>di3_31", "*<shift>di3_31_and"):
4178         Merge into single pattern definition ...
4179         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4180         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4181         pattern definition ...
4182         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4183         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4184         iterator.
4185
4186 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4187
4188         * config/s390/predicates.md (const_int_6bitset_operand): New
4189         predicate.
4190         * config/s390/s390.md: Include subst.md.
4191         ("rotl<mode>3"): New expander.
4192         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4193         ...
4194         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4195         * config/s390/subst.md: New file.
4196
4197 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4198
4199         * config/s390/s390.md ("op_type", "atype", "length" attributes):
4200         Remove RRR type.  It doesn't really exist.
4201         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4202         attributes.
4203         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4204         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4205         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4206         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4207         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4208         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4209         `enabled' attribute.
4210
4211 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4212
4213         * gensupport.c (process_substs_on_one_elem): Split loop to
4214         complete mark_operands_used_in_match_dup on all expressions in the
4215         vector first.
4216         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4217         and remove function.
4218
4219 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4220
4221         PR target/69706
4222         * config/sparc/sparc.c (NWORDS_UP): Rename to...
4223         (CEIL_NWORDS): ...this.  Use CEIL macro.
4224         (compute_fp_layout): Adjust to above renaming.
4225         (function_arg_union_value): Likewise.
4226         (sparc_arg_partial_bytes): Likewise.
4227         (sparc_function_arg_advance): Likewise.
4228
4229 2016-02-29  Jeff Law  <law@redhat.com>
4230
4231         PR tree-optimization/70005
4232         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4233         where an object with a boolean range is compared against a value
4234         outside [0..1].
4235
4236         PR tree-optimization/69999
4237         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4238         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4239         loop cleanups.
4240
4241 2016-02-29  Richard Biener  <rguenther@suse.de>
4242
4243         PR tree-optimization/69994
4244         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4245         (get_unary_op): Look through nop conversions.
4246         (ops_equal_values_p): New function, look for equality diregarding
4247         nop conversions.
4248         (eliminate_plus_minus_pair): Use ops_equal_values_p
4249         (repropagate_negates): Do not use get_unary_op here.
4250
4251 2016-02-29  Martin Liska  <mliska@suse.cz>
4252
4253         * system.h: Poison ENABLE_CHECKING macro.
4254
4255 2016-02-29  Martin Liska  <mliska@suse.cz>
4256
4257         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4258         is presented in dump flags.
4259         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4260         (hsa_regalloc): Likewise.
4261
4262 2016-02-19  Richard Biener  <rguenther@suse.de>
4263
4264         PR tree-optimization/69980
4265         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4266         permutation of those we need to keep.
4267
4268 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4269
4270         PR target/69706
4271         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4272         (NWORDS_UP): ...this
4273         (init_cumulative_args): Minor tweaks.
4274         (sparc_promote_function_mode): Likewise.
4275         (scan_record_type): Delete.
4276         (traverse_record_type): New function template.
4277         (classify_data_t): New structure type.
4278         (classify_registers): New inline function.
4279         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4280         exhausted.  Instantiate traverse_record_type on classify_registers and
4281         deal with the case of a structure passed in slot #15 with no FP field
4282         in the first word.
4283         (assign_data_t): New structure type.
4284         (compute_int_layout): New static function.
4285         (compute_fp_layout): Likewise.
4286         (count_registers): New inline function.
4287         (assign_int_registers): New static function.
4288         (assign_fp_registers): Likewise.
4289         (assign_registers): New inline function.
4290         (function_arg_record_value_1): Delete.
4291         (function_arg_record_value_2): Likewise.
4292         (function_arg_record_value_3): Likewise.
4293         (function_arg_record_value): Adjust to above changes.  Instantiate
4294         traverse_record_type on count_registers to first count the number of
4295         registers to be used and then on assign_registers to assign them.
4296         (function_arg_union_value): Adjust to above renaming.
4297         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
4298         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
4299         case of a structure passed in slot #15
4300         (sparc_function_arg_advance): Likewise.
4301         (function_arg_padding): Minor tweak.
4302
4303 2016-02-29  Richard Biener  <rguenther@suse.de>
4304
4305         PR tree-optimization/69720
4306         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4307         the adjustment_def path for possibly vectorized defs.
4308         (vect_create_epilog_for_reduction): Handle vectorized initial
4309         defs properly.
4310
4311 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4312
4313         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4314
4315 2016-02-27  Jeff Law  <law@redhat.com>
4316
4317         Revert
4318         2016-02-26  Richard Biener  <rguenther@suse.de>
4319                     Jeff Law  <law@redhat.com>
4320
4321         PR tree-optimization/69740
4322         * cfghooks.c (remove_edge): Request loop fixups if we delete
4323         an edge that might turn an irreducible loop into a natural
4324         loop.
4325
4326 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
4327
4328         PR rtl-optimization/69896
4329         * tree-vect-generic.c (get_compute_type): Avoid single element
4330         vector types.
4331
4332 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
4333
4334         Rename the AArch64 tuning option and related functions to enable the
4335         Newton series for the reciprocal square root to reflect its
4336         approximative characteristic.
4337
4338         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4339         function to "aarch64_emit_approx_rsqrt".
4340         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4341         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4342         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4343         (xgene1_tunings): Likewise.
4344         (use_rsqrt_p): Likewise.
4345         (aarch64_emit_swrsqrt): Use new function name.
4346         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4347         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4348         text explaining this option.
4349         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4350
4351 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4352
4353         PR target/69969
4354         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4355         complain about -mallow-movmisalign without -mvsx if
4356         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4357
4358 2016-02-26  Joel Sherrill  <joel@rtems.org>
4359
4360         * config.gcc: Add x86_64-*-rtems*.
4361         * gcc/config/i386/rtems-64.h: New file.
4362
4363 2016-02-26  Joel Sherrill  <joel@rtems.org>
4364
4365         * config.gcc: Add aarch64-*-rtems*.
4366         * gcc/config/aarch64/rtems.h: New file.
4367
4368 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
4369
4370         PR target/69946
4371         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4372         shift amount using %h.  Add comment.
4373
4374 2016-02-26  Richard Biener  <rguenther@suse.de>
4375             Jeff Law  <law@redhat.com>
4376
4377         PR tree-optimization/69740
4378         * cfghooks.c (remove_edge): Request loop fixups if we delete
4379         an edge that might turn an irreducible loop into a natural
4380         loop.
4381
4382 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4383
4384         PR middle-end/69920
4385         * tree-sra.c (sra_modify_assign): Do not remove loads of
4386         uninitialized aggregates to SSA_NAMEs.
4387
4388 2016-02-26  Richard Henderson  <rth@redhat.com>
4389
4390         PR target/69709
4391         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4392         pseudo in case the target rtx matches the source of the left
4393         shift.
4394
4395 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4396
4397         PR hsa/69568
4398         * hsa.h (hsa_type_packed_p): Declare.
4399         * hsa.c (hsa_type_packed_p): New function.
4400         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4401         loads.
4402         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4403         * hsa-brig.c (emit_basic_insn): Likewise.
4404
4405 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4406
4407         pr hsa/69674
4408         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4409         pointers.
4410         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4411
4412 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4413
4414         * hsa.h (is_a_helper): New overload for hsa_op_immed for
4415         hsa_op_with_type operands.
4416         (hsa_unsigned_type_for_type): Declare.
4417         * hsa.c (hsa_unsigned_type_for_type): New function.
4418         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4419         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4420         the finalizer.  Do not emit extra move.
4421
4422 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4423
4424         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4425         atomic operations in private segment.
4426
4427 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4428
4429         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
4430         statements to wi->info.  Also disallow omp simd constructs.
4431         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
4432         for not gridifying.  Dump special string for omp_for.
4433
4434 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4435
4436         PR target/69245
4437         * config/aarch64/aarch64.c (aarch64_set_current_function):
4438         Save/restore target globals when switching to
4439         target_option_default_node.
4440
4441 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4442
4443         PR target/69613
4444         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
4445         Return 0 if !SHIFT_COUNT_TRUNCATED.
4446
4447 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4448             Eric Botcazou  <ebotcazou@adacore.com>
4449
4450         PR rtl-optimization/69891
4451         * dse.c (scan_insn): If we can't figure out memset arguments
4452         or they are non-constant, call clear_rhs_from_active_local_stores.
4453
4454 2016-02-26  Martin Liska  <mliska@suse.cz>
4455
4456         * doc/extend.texi: Mention clog10, clog10f an clog10l
4457         in Builtins section.
4458
4459 2016-02-26  Martin Liska  <mliska@suse.cz>
4460
4461         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
4462         CHECKING_P.
4463         (resolve_args_picking_1): Likewise.
4464         * dwarf2out.h (struct GTY): Likewise.
4465
4466 2016-02-26  Martin Liska  <mliska@suse.cz>
4467
4468         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
4469         with flag_checking.
4470         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4471
4472 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
4473             Martin Liska  <mliska@suse.cz>
4474
4475         * doc/install.texi: Mention --enable-valgrind-annotations.
4476
4477 2016-02-26  Richard Biener  <rguenther@suse.de>
4478
4479         PR tree-optimization/69551
4480         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
4481         looking through aliases adjust DECL_PT_UID to refer to the
4482         ultimate alias target.
4483
4484 2016-02-25  Martin Liska  <mliska@suse.cz>
4485
4486         PR middle-end/69919
4487         * alloc-pool.c (after_memory_report): New variable.
4488         * alloc-pool.h (base_pool_allocator ::release): Do not use
4489         the infrastructure if after_memory_report.
4490         * toplev.c (toplev::main): Mark after memory report.
4491
4492 2016-02-25  Richard Biener  <rguenther@suse.de>
4493
4494         PR tree-optimization/48795
4495         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
4496
4497 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
4498
4499         PR driver/68463
4500         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
4501         offloading is enabled and -fopenacc or -fopenmp is specified.
4502         (CRTOFFLOADEND): Likewise.
4503         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
4504         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
4505         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
4506         (offload_objects_file_name): New static var.
4507         (tool_cleanup): Remove offload_objects_file_name file.
4508         (find_offloadbeginend): Replace with ...
4509         (find_crtoffloadtable): ... this.
4510         (run_gcc): Remove offload_argc and offload_argv.
4511         Get offload_objects_file_name from -foffload-objects=... option.
4512         Read names of object files with offload from this file, pass them to
4513         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
4514         don't pass offloadbegin and offloadend to the linker.  Don't pass
4515         offload non-LTO files to the linker, because now they're not claimed.
4516
4517 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
4518
4519         PR ipa/69630
4520         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4521         on builtin_unreachable.
4522
4523 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
4524
4525         PR rtl-optimization/69896
4526         * regcprop.c: Include cfgrtl.h.
4527         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
4528         than remembered mode, either delete it (if noop_move_p), or
4529         treat like copy_p but not noop_p instruction.
4530
4531 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4532
4533         PR debug/69705
4534         * dwarf2out.c (gen_variable_die): Work around buggy LTO
4535         - allow NULL decl for Fortran DW_TAG_common_block variables.
4536
4537 2016-02-24  Jason Merrill  <jason@redhat.com>
4538
4539         * common.opt (flifetime-dse): Add -flifetime-dse=1.
4540
4541 2016-02-24  Richard Biener  <rguenther@suse.de>
4542             Jakub Jelinek  <jakub@redhat.com>
4543
4544         PR middle-end/69760
4545         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
4546         conditionally executed ops to well-defined overflow behavior.
4547
4548 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4549
4550         PR middle-end/69915
4551         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
4552         elements.
4553
4554 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4555
4556         PR rtl-optimization/69886
4557         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
4558         argument.  Use it when checking validity of set instructions.
4559         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
4560         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
4561         callsite.
4562         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
4563         * store-motion.c (find_moveable_store): Update
4564         can_assign_to_reg_without_clobbers_p callsite.
4565
4566 2016-02-24  Richard Biener  <rguenther@suse.de>
4567
4568         PR middle-end/68963
4569         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
4570         bogus check.
4571         (record_nonwrapping_iv): Do not fall back to the low/high bound
4572         for non-constant IV bases if the stmt is not always executed.
4573
4574 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4575
4576         * config/arm/arm-cores.def (cortex-a32): New entry.
4577         * config/arm/arm-tables.opt: Regenerate.
4578         * config/arm/arm-tune.md: Regenerate.
4579         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
4580         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
4581         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
4582         for -mcpu and -mtune.
4583
4584 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4585
4586         PR target/69875
4587         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
4588         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
4589         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
4590         (atomic_loaddi_1): Delete.
4591         (atomic_loaddi): Rewrite expander using the above changes.
4592
4593 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4594
4595         PR c/69918
4596         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
4597         2 to 3.
4598
4599 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4600             Richard Biener  <rguenth@suse.de>
4601
4602         PR middle-end/69909
4603         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
4604         set_mem_attributes if tem is SSA_NAME which got expanded
4605         as a MEM.
4606
4607 2016-02-24  Richard Biener  <rguenther@suse.de>
4608
4609         PR tree-optimization/69907
4610         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
4611         end of permutations for BB vectorization.
4612
4613 2016-02-24  Christian Bruel  <christian.bruel@st.com>
4614
4615         * config/arm/arm-c.c (arm_option_override): Initialize
4616         target_option_current_node.
4617         * config/arm/arm.c (arm_pragma_target_parse): Replace
4618         build_target_option_node call by target_option_current_node.
4619         Set target_option_current_node.
4620         Fix comments.
4621
4622 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
4623
4624         PR target/69810
4625         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
4626         define_insn_and_split to define_insn.
4627         (zero_extendqi<mode>2_dot2): Same.
4628         (extendqi<mode>2_dot): Same.
4629         (extendqi<mode>2_dot2): Same.
4630
4631 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
4632
4633         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
4634         and add bypass for AES{D,E} and AESMC pairs.
4635         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
4636         and AESMC pairs.
4637
4638 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
4639
4640         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
4641         series for reciprocal square root in Exynos M1.
4642
4643 2016-02-23  Martin Sebor  <msebor@redhat.com>
4644
4645         PR c/69759
4646         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
4647         __builtin_alloca_with_align.
4648
4649 2016-02-23  Richard Henderson  <rth@redhat.com>
4650
4651         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
4652         (ix86_register_pragmas): Remove __seg_tls.
4653         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
4654         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
4655         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
4656         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
4657         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
4658         * doc/extend.texi (__seg_tls): Remove item.
4659
4660 2016-02-23  Richard Biener  <rguenther@suse.de>
4661
4662         * alloc-pool.h (struct allocation_object): Make id member
4663         conditional on CHECKING_P again.
4664         (get_instance): Adjust.
4665         (base_pool_allocator): Likewise.
4666
4667 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
4668
4669         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
4670         (parallelize_loops): In OpenACC kernels mode, set n_threads to
4671         zero.
4672         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
4673         flag_openacc.
4674         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
4675
4676 2016-02-23  Richard Biener  <rguenther@suse.de>
4677
4678         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
4679         * bitmap.h (struct bitmap_usage): Likewise.
4680         (bitmap_move): Declare.
4681         * bitmap.c (register_overhead): Take size_t argument.
4682         (bitmap_move): New function.
4683         * df-problems.c (df_rd_transfer_function): Use bitmap_move
4684         to properly account overhead.
4685         * tree.c (free_node): Use tree_size.
4686
4687 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
4688
4689         PR c++/69902
4690         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
4691         when inverting comparison.
4692
4693         PR c/69900
4694         * common.opt (Wunreachable-code): Add Warning flag.
4695
4696 2016-02-23  Mark Wielaard  <mjw@redhat.com>
4697             Jakub Jelinek  <jakub@redhat.com>
4698
4699         PR c/69911
4700         * cgraphunit.c (check_global_declaration): Check main_input_filename
4701         and DECL_SOURCE_FILE are not NULL.
4702
4703 2016-02-23  Martin Jambor  <mjambor@suse.cz>
4704
4705         PR tree-optimization/69666
4706         * tree-sra.c (sra_modify_assign): Do not attempt to create
4707         default_def replacements for unscalarizable regions.
4708
4709 2016-02-20  Mark Wielaard  <mjw@redhat.com>
4710
4711         PR c/28901
4712         * cgraphunit.c (check_global_declaration): Check level of
4713         warn_unused_const_variable and main_input_filename.
4714         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
4715         (-Wunused-variable): For C implies -Wunused-const-variable=1.
4716         (-Wunused-const-variable): Explain levels 1 and 2.
4717
4718 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
4719
4720         PR target/69888
4721         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
4722         identical arguments.  Formatting and spelling fixes.
4723
4724         PR target/69885
4725         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
4726         be specified.
4727
4728         PR target/69894
4729         PR target/69895
4730         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
4731         and m68k-devices.def.
4732         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
4733         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
4734
4735 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
4736
4737         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
4738         and HImode registers.
4739
4740 2016-02-22  Richard Biener  <rguenther@suse.de>
4741
4742         PR tree-optimization/69882
4743         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
4744         preserve permutations present because of gaps.
4745         (vect_supported_load_permutation_p): Always continue checking
4746         permutations after vect_attempt_slp_rearrange_stmts.
4747
4748 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
4749
4750         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
4751         min_profitable_estimate, rather than min_profitable_iters.
4752
4753 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
4754
4755         PR target/69885
4756         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
4757         SImode for last match_operand.
4758
4759 2016-02-22  Martin Liska  <mliska@suse.cz>
4760
4761         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
4762         return bitsize - 1 as the return value.
4763
4764 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
4765
4766         PR target/69806
4767         PR target/54089
4768         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
4769         Handle negative shift counts.
4770         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
4771         force_reg on the shift constant.
4772         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
4773         (lshrsi3_d): Handle negative shift counts.
4774
4775 2016-02-22  Richard Biener  <rguenther@suse.de>
4776             Tom de Vries  <tom@codesourcery.com>
4777
4778         * graph.c: Include dumpfile.h.
4779         (print_graph_cfg): Split into three overloads.
4780         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
4781
4782 2016-02-22  Tom de Vries  <tom@codesourcery.com>
4783
4784         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
4785         dump-fn.
4786
4787 2016-02-22  Richard Biener  <rguenther@suse.de>
4788
4789         PR ipa/37448
4790         * ipa-inline-transform.c (inline_call): When not updating
4791         overall summaries adjust self size by the growth estimate.
4792         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
4793         hash-set, do not update overall summaries here.  Renamed from ...
4794         (inline_to_all_callers): ... this which is now wrapping the
4795         above and performing delayed overall summary update.
4796         (early_inline_small_functions): Delay updating of the overall
4797         summary.
4798
4799 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
4800
4801         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
4802         variable.
4803
4804 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4805
4806         PR driver/69805
4807         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
4808         :%* in %:gt() argument.
4809         (greater_than_spec_func): Adjust for expecting only numbers,
4810         if there are more than two numbers, compare the last two.
4811
4812 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
4813
4814         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
4815         -Wnarrowing with -std.
4816
4817 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
4818
4819         PR c++/69851
4820         * expr.c (store_field): Don't use bit-field path if exp is
4821         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
4822         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
4823         and the assignment can be performed by bitwise copy.  Formatting
4824         fix.
4825
4826         PR middle-end/69838
4827         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
4828         call copy_reg_eh_region_note_forward on before and/or after sequences
4829         and remove note from insn if it no longer can throw.
4830
4831         PR target/69820
4832         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
4833         if TARGET_AVX512BW.
4834
4835 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4836
4837         * config/s390/vector.md: Add missing commutative operand markers
4838         to the patterns which qualify for one.
4839         * config/s390/vx-builtins.md: Likewise.
4840
4841 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4842
4843         * config/s390/vector.md (VI, VI_QHS): Add single element vector
4844         types to mode iterators.
4845         (vec_double): ... and mode attribute.
4846         * config/s390/vx-builtins.md (non_vec_int): Likewise.
4847
4848 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4849
4850         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
4851         Change the predicate of op2 from nonimmediate to general and let
4852         reload fix it if necessary.
4853
4854 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4855
4856         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
4857
4858 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4859
4860         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
4861         mode.
4862
4863 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4864
4865         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
4866         * config/s390/s390.c (s390_expand_vec_movstr): New function.
4867         * config/s390/s390.md ("movstr<P:mode>"): Call
4868         s390_expand_vec_movstr.
4869
4870 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4871
4872         * config/s390/s390.md: Add missing output modifier for operand 1
4873         to print it as address properly.
4874
4875 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4876
4877         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
4878         * config/s390/2964.md: New file.
4879         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
4880         of insn grouping attributes depending on the CPU level.
4881         (s390_get_unit_mask): New function.
4882         (s390_sched_score): Remove the OOO from the scheduling macros.
4883         Add loop to calculate a score for the instruction mix.
4884         (s390_sched_reorder): Likewise plus improve debug output.
4885         (s390_sched_variable_issue): Rename macros as above.  Calculate
4886         the unit distances after actually scheduling an insn.  Improve
4887         debug output.
4888         (s390_sched_init): Clear last_scheduled_unit_distance array.
4889         * config/s390/s390.md: Include 2964.md.
4890
4891 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
4892
4893         PR target/69671
4894         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
4895         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
4896         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
4897         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
4898         *avx512f_<code>v8div16qi2_mask_1): New insns.
4899
4900 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
4901
4902         PR target/68404
4903         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
4904         2016-02-09 change.
4905
4906         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
4907         earlyclobber from target.  Use wF constraint for fused memory
4908         address.
4909         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
4910
4911 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
4912             Martin Liska  <mliska@suse.cz>
4913
4914         PR sanitizer/69863
4915         * cfgexpand.c (asan_sanitize_stack_p): New function.
4916         (partition_stack_vars): Use the function.
4917         (expand_stack_vars): Likewise.
4918         (defer_stack_allocation): Likewise.
4919         (expand_used_vars): Likewise.
4920
4921 2016-02-18  Richard Biener  <rguenther@suse.de>
4922
4923         PR middle-end/69553
4924         * fold-const.c (operand_equal_p): Properly compare offsets for
4925         IMAGPART_EXPR and ARRAY_REF.
4926
4927 2016-02-18  Nick Clifton  <nickc@redhat.com>
4928
4929         PR target/62254
4930         PR target/69610
4931         * config/arm/arm.c (arm_option_override_internal): Disable
4932         interworking if the target does not support thumb instructions.
4933         (arm_reload_in_hi): Handle the case where a register to register
4934         move needs reloading because there is no simple pattern to handle
4935         it.
4936         (arm_reload_out_hi): Likewise.
4937
4938 2016-02-18  Richard Biener  <rguenther@suse.de>
4939
4940         PR middle-end/69854
4941         * match.pd: Don't use fold_binary or fold_unary for folding
4942         constants.
4943
4944 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
4945
4946         PR c++/69850
4947         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
4948         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
4949         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
4950         warn on gimple_no_warning_p statements.
4951
4952 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
4953
4954         * doc/extend.texi (C++ Attributes): Correct description of
4955         warn_unused type attribute.
4956
4957 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4958
4959         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
4960         correct instruction.
4961
4962 2016-02-17  Richard Biener  <rguenther@suse.de>
4963
4964         PR rtl-optimization/69609
4965         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
4966         (find_traces_1_round): When ending a trace update cached priority
4967         of successors.
4968         (bb_to_key): Use cached priority when available.
4969         (copy_bb): Initialize cached priority.
4970         (reorder_basic_blocks_software_trace_cache): Likewise.
4971
4972 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4973
4974         PR target/69161
4975         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
4976         New predicate.
4977         (aarch64_comparison_operator): Break overly long line into two.
4978         (aarch64_comparison_operation): Likewise.
4979         * config/aarch64/aarch64.md (cstorecc4): Use
4980         aarch64_comparison_operator_mode instead of
4981         aarch64_comparison_operator.
4982         (cstore<mode>4): Likewise.
4983         (aarch64_cstore<mode>): Likewise.
4984         (*cstoresi_insn_uxtw): Likewise.
4985         (cstore<mode>_neg): Likewise.
4986         (*cstoresi_neg_uxtw): Likewise.
4987
4988 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4989
4990         PR target/69161
4991         * config/arm/predicates.md (arm_comparison_operator_mode):
4992         New predicate.
4993         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
4994         instead of arm_comparison_operator.
4995         (*mov_negscc): Likewise.
4996         (*mov_notscc): Likewise.
4997         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
4998         (*thumb2_mov_negscc): Likewise.
4999         (*thumb2_mov_negscc_strict_it): Likewise.
5000         (*thumb2_mov_notscc): Likewise.
5001         (*thumb2_mov_notscc_strict_it): Likewise.
5002
5003 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
5004
5005         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5006         Add missing return.
5007
5008 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
5009
5010         * config/visium/visium.c (machine_libfunc_index): New enum.
5011         (machine_libfuncs): New structure.
5012         (visium_libfuncs): New static variable.
5013         (TARGET_INIT_LIBFUNCS): Define to...
5014         (visium_init_libfuncs): ...this.  New function.
5015         (expand_block_move_4): Use the appropriate libfunc.
5016         (expand_block_move_2): Likewise.
5017         (expand_block_move_1): Likewise.
5018         (expand_block_set_4): Likewise.
5019         (expand_block_set_2): Likewise.
5020         (expand_block_set_1): Likewise.
5021         (visium_trampoline_init): Likewise.
5022
5023 2016-02-17  Nick Clifton  <nickc@redhat.com>
5024
5025         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5026         TI's devices.csv file as of March 2016.
5027
5028 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5029
5030         PR Target/48344
5031         * opts-global.c (handle_common_deferred_options): Introduce and
5032         initialize two global variables to remember command-line options
5033         specifying a stack-limiting register.
5034         * opts.h: Add extern declarations of the two new global variables.
5035         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5036         variable based on the values of the two new global variables.
5037
5038 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5039
5040         PR c/69835
5041         * common.opt (Wnonnull-compare): New warning.
5042         * doc/invoke.texi (-Wnonnull): Remove text about comparison
5043         of arguments against NULL.
5044         (-Wnonnull-compare): Document.
5045         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5046         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5047         * passes.def (pass_warn_nonnull_compare): Add.
5048         * gimple-ssa-nonnull-compare.c: New file.
5049
5050 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5051
5052         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5053         AARCH64_EXTRA_TUNE_RECIP_SQRT.
5054
5055 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5056
5057         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5058         reciprocal sqrt for -mlow-precision-recip-sqrt.
5059
5060 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5061             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5062
5063         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5064         always use lane loads to construct non-constant vectors.
5065
5066 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5067
5068         * config/aarch64/aarch64.md
5069         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5070         constraints for operand 3.
5071         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5072
5073 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5074             Richard Biener  <rguenther@suse.de>
5075
5076         PR tree-optimization/69820
5077         * tree-vect-patterns.c (type_conversion_p): Return false if
5078         *orig_type is unsigned single precision or boolean.
5079         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5080         Formatting fix.
5081
5082 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5083
5084         PR rtl-optimization/69764
5085         PR rtl-optimization/69771
5086         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5087         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5088
5089 2016-02-16  Richard Biener  <rguenther@suse.de>
5090
5091         PR tree-optimization/69776
5092         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5093         sets from caller.
5094         (indirect_refs_may_alias_p): Likewise.
5095         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5096         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5097         according to tbaa_p.
5098         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5099         (optimize_stmt): For redundant store discovery do not allow tbaa.
5100
5101 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
5102
5103         PR tree-optimization/69714
5104         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5105         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5106
5107 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
5108
5109         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5110         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5111         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5112         * config/arc/arc.c (arc_init): Check FPU options.
5113         (get_arc_condition_code): Handle new CC_FPU* modes.
5114         (arc_select_cc_mode): Likewise.
5115         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5116         register pair only. Allow access for ARCv2 accumulator.
5117         (gen_compare_reg): Whenever we have FPU support use FPU compare
5118         instructions.
5119         (arc_reorg): Don't generate brcc insns when FPU compare
5120         instructions are involved.
5121         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5122         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5123         floating point emulation.
5124         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5125         (REVERSE_CONDITION): Add new CC_FPU* modes.
5126         (TARGET_FP_SP_BASE): Define.
5127         (TARGET_FP_DP_BASE): Likewise.
5128         (TARGET_FP_SP_FUSED): Likewise.
5129         (TARGET_FP_DP_FUSED): Likewise.
5130         (TARGET_FP_SP_CONV): Likewise.
5131         (TARGET_FP_DP_CONV): Likewise.
5132         (TARGET_FP_SP_SQRT): Likewise.
5133         (TARGET_FP_DP_SQRT): Likewise.
5134         (TARGET_FP_DP_AX): Likewise.
5135         * config/arc/arc.md (ARCV2_ACC): New constant.
5136         (type): New fpu type attribute.
5137         (SDF): Conditional iterator.
5138         (cstore<mode>, cbranch<mode>): Change expand condition.
5139         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5140         handles FPU/FPX cases as well.
5141         * config/arc/arc.opt (mfpu): New option.
5142         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5143         Renamed.
5144         (adddf3, muldf3, subdf3): Removed.
5145         * config/arc/predicates.md (proper_comparison_operator): Recognize
5146         CC_FPU* modes.
5147         * config/arc/fpu.md: New file.
5148         * doc/invoke.texi (ARC Options): Document mfpu option.
5149
5150 2016-02-16  Richard Biener  <rguenther@suse.de>
5151
5152         PR rtl-optimization/69291
5153         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5154         noce_operand_ok check.
5155
5156 2016-02-16  Tom de Vries  <tom@codesourcery.com>
5157
5158         PR lto/67709
5159         * omp-low.c (simd_clone_create): Remove call to
5160         symtab->call_cgraph_insertion_hooks.
5161
5162 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5163
5164         PR tree-optimization/69802
5165         * tree-ssa-reassoc.c (update_range_test): If op is
5166         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5167         op == 1 test of precision 1 integral op, otherwise handle
5168         that case as op itself.  Fix up formatting.
5169         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5170         up formatting.
5171
5172 2016-02-16  Richard Biener  <rguenther@suse.de>
5173
5174         PR tree-optimization/69586
5175         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5176         types for conversion sources.
5177
5178 2016-02-16  Richard Biener  <rguenther@suse.de>
5179
5180         PR middle-end/69801
5181         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5182         mask OEP_ADDRESS_OF.
5183
5184 2016-02-16  Alan Modra  <amodra@gmail.com>
5185
5186         PR target/68973
5187         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5188         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5189         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5190         (p8_mtvsrwz): New.
5191         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5192         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5193         (p8_fmrgow_<mode>): Likewise.
5194         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
5195         changes.
5196         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5197         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5198         to use movdi_internal64.  Remove op0_di.
5199         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5200
5201 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
5202
5203         Add support for the FCCMP insn types
5204
5205         * config/aarch64/aarch64.md (fccmp): Change insn type.
5206         (fccmpe): Likewise.
5207         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5208         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5209         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5210         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5211         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5212         * config/arm/types.md (fccmps): Add new insn type.
5213         (fccmpd): Likewise.
5214
5215 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5216
5217         * alias.c (get_alias_set): Fix a typo in comment.
5218
5219 2016-02-15  Richard Biener  <rguenther@suse.de>
5220
5221         PR tree-optimization/69595
5222         * match.pd: Complete range test simplification to true.
5223
5224 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
5225
5226         PR rtl-optimization/69648
5227         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5228         pic_offset_table_rtx.
5229
5230         PR rtl-optimization/69752
5231         * ira.c (update_equiv_regs): When looking for more than a single SET,
5232         also take other side effects into account.
5233
5234 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5235
5236         * config/s390/s390.c (s390_function_profiler): Add a new sequence
5237         for z900+ CPUs in 31-bit mode.
5238
5239 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5240
5241         * common/config/s390/s390-common.c (s390_supports_split_stack):
5242         New function.
5243         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5244         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5245         * config/s390/s390.c (struct machine_function): New field
5246         split_stack_varargs_pointer.
5247         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5248         in s390_emit_prologue.
5249         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5250         vararg pointer.
5251         (morestack_ref): New global.
5252         (SPLIT_STACK_AVAILABLE): New macro.
5253         (s390_expand_split_stack_prologue): New function.
5254         (s390_live_on_entry): New function.
5255         (s390_va_start): Use split-stack vararg pointer if appropriate.
5256         (s390_asm_file_end): Emit the split-stack note sections.
5257         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5258         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5259         (UNSPECV_SPLIT_STACK_CALL): New unspec.
5260         (UNSPECV_SPLIT_STACK_DATA): New unspec.
5261         (split_stack_prologue): New expand.
5262         (split_stack_space_check): New expand.
5263         (split_stack_data): New insn.
5264         (split_stack_call): New expand.
5265         (split_stack_call_*): New insn.
5266         (split_stack_cond_call): New expand.
5267         (split_stack_cond_call_*): New insn.
5268
5269 2016-02-15  Richard Biener  <rguenther@suse.de>
5270
5271         PR tree-optimization/69783
5272         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5273         Add trivially correct cases.
5274
5275 2016-02-15  Tom de Vries  <tom@codesourcery.com>
5276
5277         PR lto/69655
5278         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5279         do_force_output.
5280         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5281
5282 2016-02-15  Richard Biener  <rguenther@suse.de>
5283
5284         PR tree-optimization/69776
5285         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5286         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5287         indicate whether we can use TBAA to disambiguate against stores.
5288         Use alias-set zero if not.
5289         (visit_reference_op_store): Do not use TBAA when looking up
5290         redundant stores.
5291         * tree-ssa-pre.c (compute_avail): Use TBAA here.
5292         (eliminate_dom_walker::before_dom_children): But not when looking
5293         up redundant stores.
5294
5295 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
5296
5297         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5298
5299 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5300
5301         *  config/i386/znver1.md
5302         (znver1_pop, znver1_pop_mem,
5303         znver1_load_imov_double_store,
5304         znver1_load_imov_direct_store,
5305         znver1_load_imov_direct_load,
5306         znver1_load_imov_double_load): Add new.
5307         (znver1_insn, znver1_insn_load): Add icmov type.
5308         (znver1_sseavx_fma,
5309         znver1_sseavx_fma_load,
5310         znver1_avx256_fma,
5311         znver1_avx256_fma_load): Fix pipe usage.
5312
5313 2016-02-14  Alan Modra  <amodra@gmail.com>
5314
5315         PR target/68973
5316         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5317         with an invalid hard reg, reload just the reg not the entire
5318         pre/post-inc/dec address expression.
5319
5320 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5321
5322         PR target/67260
5323         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5324         fixed R1_REG scratch reg.
5325         (sibcall_value_pcrel_fdpic): Likewise.
5326
5327 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5328
5329         PR target/67636
5330         PR target/64345
5331         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5332
5333 2016-02-12  Walter Lee  <walt@tilera.com>
5334
5335         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5336         * config/tilegx/t-tilegx: Likewise.
5337
5338 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5339
5340         PR other/69554
5341         * diagnostic-show-locus.c (struct line_span): New struct.
5342         (layout::get_first_line): Delete.
5343         (layout::get_last_line): Delete.
5344         (layout::get_num_line_spans): New member function.
5345         (layout::get_line_span): Likewise.
5346         (layout::print_heading_for_line_span_index_p): Likewise.
5347         (layout::get_expanded_location): Likewise.
5348         (layout::calculate_line_spans): Likewise.
5349         (layout::m_first_line): Delete.
5350         (layout::m_last_line): Delete.
5351         (layout::m_line_spans): New field.
5352         (layout::layout): Update comment.  Replace m_first_line and
5353         m_last_line with m_line_spans, replacing their initialization
5354         with a call to calculate_line_spans.
5355         (diagnostic_show_locus): When printing source lines and
5356         annotations, rather than looping over a single span
5357         of lines, instead loop over each line_span within
5358         the layout, with an inner loop over the lines within them.
5359         Call the context's start_span callback when changing line spans.
5360         * diagnostic.c (diagnostic_initialize): Initialize start_span.
5361         (diagnostic_build_prefix): Break out the building of the location
5362         part of the string into...
5363         (diagnostic_get_location_text): ...this new function, rewriting
5364         it from nested ternary expressions to a sequence of "if"
5365         statements.
5366         (default_diagnostic_start_span_fn): New function.
5367         * diagnostic.h (diagnostic_start_span_fn): New typedef.
5368         (diagnostic_context::start_span): New field.
5369         (default_diagnostic_start_span_fn): New prototype.
5370
5371 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5372
5373         PR driver/69779
5374         * gcc.c (driver::finalize): Fix cleanup of "specs".
5375
5376 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5377
5378         PR driver/69265
5379         PR driver/69453
5380         * gcc.c (driver::driver): Initialize m_option_suggestions.
5381         (driver::~driver): Clean up m_option_suggestions.
5382         (suggest_option): Convert to...
5383         (driver::suggest_option): ...this, and split out into
5384         driver::build_option_suggestions and find_closest_string.
5385         (driver::build_option_suggestions): New function, from
5386         first half of suggest_option.  Special-case
5387         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5388         the sanitizer_opts array.  For options of enum types, add the
5389         various enum values to the candidate strings.
5390         (driver::handle_unrecognized_options): Remove "const".
5391         * gcc.h (driver::handle_unrecognized_options): Likewise.
5392         (driver::build_option_suggestions): New decl.
5393         (driver::suggest_option): New decl.
5394         (driver::m_option_suggestions): New field.
5395         * opts-common.c (add_misspelling_candidates): New function.
5396         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5397         and make non-static.
5398         * opts.h (sanitizer_opts): New array decl.
5399         (add_misspelling_candidates): New function decl.
5400         * spellcheck.c (find_closest_string): New function.
5401         * spellcheck.h (find_closest_string): New function decl.
5402
5403 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5404
5405         PR rtl-optimization/69764
5406         PR rtl-optimization/69771
5407         * optabs.c (expand_binop_directly): For shift_optab_p, force
5408         convert_modes with VOIDmode if xop1 has VOIDmode.
5409
5410 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
5411
5412         PR target/69729
5413         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5414         to correctly determine instrumentation thunks.
5415
5416 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5417
5418         PR ipa/69241
5419         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5420         type by reference, force lhs on the call.
5421
5422         PR ipa/68672
5423         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5424         Compute retval and retbnd early in all cases if split_part_return_p
5425         and return_bb is not EXIT.  Remove all clobber stmts and reset
5426         all debug stmts that refer to SSA_NAMEs defined in split part,
5427         except if it is retval, in that case replace the old retval with the
5428         lhs of the call to the split part.
5429
5430 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5431
5432         revert:
5433         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5434
5435         PR middle-end/66726
5436         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5437         whose result is used in PHI.
5438         (maybe_optimize_range_tests): Likewise.
5439         (final_range_test_p): Likweise.
5440
5441 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5442
5443         PR middle-end/66726
5444         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5445         whose result is used in PHI.
5446         (maybe_optimize_range_tests): Likewise.
5447         (final_range_test_p): Likweise.
5448
5449 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5450
5451         * cgraph.c: Spelling fixes - behaviour -> behavior and
5452         neighbour -> neighbor.
5453         * target.def: Likewise.
5454         * sel-sched.c: Likewise.
5455         * config/mips/mips.c: Likewise.
5456         * config/arc/arc.md: Likewise.
5457         * config/arm/cortex-a57.md: Likewise.
5458         * config/arm/arm.c: Likewise.
5459         * config/arm/neon.md: Likewise.
5460         * config/arm/arm-c.c: Likewise.
5461         * config/vms/vms-c.c: Likewise.
5462         * config/s390/s390.c: Likewise.
5463         * config/i386/znver1.md: Likewise.
5464         * config/i386/i386.c: Likewise.
5465         * config/ia64/hpux-unix2003.h: Likewise.
5466         * config/msp430/msp430.md: Likewise.
5467         * config/rx/rx.c: Likewise.
5468         * config/rx/rx.md: Likewise.
5469         * config/aarch64/aarch64-simd.md: Likewise.
5470         * config/aarch64/aarch64.c: Likewise.
5471         * config/nvptx/nvptx.c: Likewise.
5472         * config/bfin/bfin.c: Likewise.
5473         * config/cris/cris.opt: Likewise.
5474         * config/rs6000/rs6000.c: Likewise.
5475         * target.h: Likewise.
5476         * spellcheck.c: Likewise.
5477         * ira-build.c: Likewise.
5478         * tree-inline.c: Likewise.
5479         * builtins.c: Likewise.
5480         * lra-constraints.c: Likewise.
5481         * explow.c: Likewise.
5482         * hwint.h: Likewise.
5483         * targhooks.c: Likewise.
5484         * tree-vect-data-refs.c: Likewise.
5485         * expr.c: Likewise.
5486         * doc/tm.texi: Likewise.
5487         * doc/extend.texi: Likewise.
5488         * doc/install.texi: Likewise.
5489         * doc/md.texi: Likewise.
5490         * tree-ssa-tail-merge.c: Likewise.
5491         * sched-int.h: Likewise.
5492         * match.pd: Likewise.
5493         * sched-ebb.c: Likewise.
5494         * target.def (omit_struct_return_reg): Likewise.
5495         * gimple-ssa-isolate-paths.c: Likewise.
5496         (find_implicit_erroneous_behaviour): Renamed to...
5497         (find_implicit_erroneous_behavior): ... this.
5498         (find_explicit_erroneous_behaviour): Renamed to...
5499         (find_explicit_erroneous_behavior): ... this.
5500         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
5501
5502 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
5503
5504         PR rtl-optimization/64682
5505         PR rtl-optimization/69567
5506         PR rtl-optimization/69737
5507         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
5508         in I2 as well, just lose it.
5509
5510 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5511
5512         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
5513         New variable.
5514         (aarch64_last_printed_tune_string): Likewise.
5515         (aarch64_declare_function_name): Only output .arch assembler
5516         directive if it will be different from the previously output
5517         directive.  Same for .tune comment but only if -dA is set.
5518         (aarch64_start_file): New function.
5519         (TARGET_ASM_FILE_START): Define.
5520
5521 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
5522
5523         PR plugins/69758
5524         * Makefile.in (PLUGIN_HEADERS): Add params.list.
5525
5526 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
5527
5528         PR target/65313
5529         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
5530         -Wmaybe-uninitialized warning.
5531
5532 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
5533
5534         PR target/69713
5535         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
5536
5537 2016-02-11  Richard Biener  <rguenther@suse.de>
5538
5539         PR rtl-optimization/69291
5540         * ifcvt.c (noce_try_store_flag_constants): Do not allow
5541         subexpressions affected by changing the result.
5542
5543 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
5544
5545         PR target/69148
5546         * lra-constraints.c (curr_insn_transform): Find in/out operands
5547         for secondary memory moves.  Update dups.
5548
5549 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
5550
5551         PR tree-optimization/69652
5552         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
5553         to nested loop, did source re-formatting, skip debug statements,
5554         add check on statement with volatile operand, remove dead scalar
5555         statements.
5556
5557 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
5558             Patrick Palka  <ppalka@gcc.gnu.org>
5559
5560         PR ipa/69241
5561         PR c++/69649
5562         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
5563         calls if the return type is TREE_ADDRESSABLE.
5564         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
5565         * ipa-split.c (split_function): Fix doubled "we" in comment.
5566         Use void return type for the split part even if
5567         !split_point->split_part_set_retval.
5568
5569 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
5570
5571         PR tree-optimization/68021
5572         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
5573         when computing the value of biv cand by itself.
5574
5575 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
5576
5577         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
5578         (cortexa57_tunings): Likewise.
5579         (cortexa72_tunings): Likewise.
5580         (arch_macro_fusion_pair_p): Add support for AES fusion.
5581         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
5582         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
5583         Allow virtual registers before reload so early scheduling works.
5584         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
5585         correct latency and pipeline.
5586         (cortex_a57_crypto_complex): Likewise.
5587         (cortex_a57_crypto_xor): Likewise.
5588         (define_bypass): Add AES bypass.
5589
5590 2016-02-10  Richard Biener  <rguenther@suse.de>
5591
5592         PR tree-optimization/69726
5593         * passes.def: Add DCE pass before late uninit.
5594         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
5595         really fixup if-conversions job.
5596
5597 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
5598
5599         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
5600         (arm_cortex_a57_tune): Likewise.
5601         (aarch_macro_fusion_pair_p): Add support for AES fusion.
5602         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
5603
5604 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5605
5606         * timevar.def (TV_PHASE_DBGINFO): Delete.
5607         (TV_PHASE_CHECK_DBGINFO): Likewise.
5608         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
5609
5610 2016-02-10  Richard Biener  <rguenther@suse.de>
5611
5612         PR tree-optimization/69719
5613         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5614         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
5615
5616 2016-02-09  Andrew Pinski  <apinski@cavium.com>
5617
5618         PR tree-opt/69282
5619         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
5620         get_vcond_mask_icode returns false.
5621
5622 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5623
5624         PR target/68404
5625         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
5626         an ADDIS that adds a pointer to a large constant that sets the
5627         upper16 bits with a load operation.
5628
5629 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
5630
5631         PR target/68532
5632         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
5633         order.
5634         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
5635         endian.
5636         (vzipq_s16): Likewise.
5637         (vzipq_s32): Likewise.
5638         (vzipq_f32): Likewise.
5639         (vzipq_u8): Likewise.
5640         (vzipq_u16): Likewise.
5641         (vzipq_u32): Likewise.
5642         (vzipq_p8): Likewise.
5643         (vzipq_p16): Likewise.
5644
5645 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
5646
5647         PR target/68532
5648         * config/arm/arm.c (neon_endian_lane_map): New function.
5649         (neon_vector_pair_endian_lane_map): New function.
5650         (arm_evpc_neon_vuzp): Allow for big endian lane order.
5651         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
5652         endian.
5653         (vuzpq_s16): Likewise.
5654         (vuzpq_s32): Likewise.
5655         (vuzpq_f32): Likewise.
5656         (vuzpq_u8): Likewise.
5657         (vuzpq_u16): Likewise.
5658         (vuzpq_u32): Likewise.
5659         (vuzpq_p8): Likewise.
5660         (vuzpq_p16): Likewise.
5661
5662 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
5663
5664         PR target/69634
5665         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
5666         debug insns.
5667
5668 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
5669
5670         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
5671         truncate const_int operand 1 to QImode.
5672
5673 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5674
5675         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
5676         corresponding to an abnormal edge.
5677
5678 2016-02-09  Tom de Vries  <tom@codesourcery.com>
5679
5680         PR tree-optimization/69599
5681         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
5682         function.
5683         (find_func_aliases_for_builtin_call, find_func_clobbers)
5684         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
5685         partition.
5686
5687 2016-02-09  Richard Biener  <rguenther@suse.de>
5688
5689         PR tree-optimization/69715
5690         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
5691         LHS on calls as non-rewritable.
5692
5693 2016-02-09  Tom de Vries  <tom@codesourcery.com>
5694
5695         PR lto/69707
5696         * lto-wrapper.c (append_diag_options): New function.
5697         (compile_offload_image): Call append_diag_options.
5698
5699 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
5700
5701         PR other/69722
5702         * doc/extend.texi (Flag Output Operands): Correct sectioning.
5703         Minor copy-edit to fix verb tenses.
5704
5705 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
5706
5707         PR tree-optimization/69209
5708         * ipa-split.c (split_function): If split part is not
5709         returning retval, retval has gimple type but is not
5710         gimple value, force it into a SSA_NAME first.
5711
5712 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
5713
5714         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
5715         outdated section.
5716
5717 2016-02-08  Jason Merrill  <jason@redhat.com>
5718
5719         PR c++/69631
5720         * convert.c (convert_to_integer_1): Check dofold on truncation
5721         distribution.
5722         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
5723         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
5724         Rename from *_nofold.
5725         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
5726         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
5727
5728 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
5729
5730         PR target/60410
5731         * tree.c (build_common_tree_nodes): Remove short_double argument.
5732         All callers changed.
5733         * tree.h (build_common_tree_nodes): Adjust declaration.
5734         * doc/invoke.texi (-fshort-double): Remove documentation.
5735         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5736         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
5737         * lto-wrapper.c (merge_and_complain, append_compiler_options)
5738         (append_linker_options): Don't handle OPT_fshort_double.
5739
5740         PR rtl-optimization/68730
5741         * lra-remat.c (insn_to_cand_activation): New static variable.
5742         (lra_remat): Allocate and free it.
5743         (create_cand): New arg activation. Initialize a field in
5744         insn_to_cand_activation if it is nonnull.
5745         (create_cands): Pass the activation insn to create_cand when making
5746         a candidate involving an output reload.  Reorganize code a little.
5747         (do_remat): Keep track of active status of candidates in a separate
5748         bitmap.
5749
5750 2016-02-08  Richard Biener  <rguenther@suse.de>
5751
5752         PR tree-optimization/69719
5753         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5754         Properly use absolute of the difference of the two offsets to
5755         compare or adjust the segment length.
5756
5757 2016-02-08  Richard Biener  <rguenther@suse.de>
5758             Jeff Law  <law@redhat.com>
5759
5760         PR target/68273
5761         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
5762         types for anonymous SSA names.
5763
5764 2016-02-08   Richard Biener  <rguenther@suse.de>
5765
5766         PR rtl-optimization/69274
5767         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
5768
5769 2016-02-08  Jeff Law  <law@redhat.com>
5770
5771         PR tree-optimization/65917
5772         * tree-ssa-dom.c (record_temporary_equivalences): Record both
5773         equivalences from if (x == y) style conditionals.
5774         (loop_depth_of_name): Remove.
5775         (record_equality): Remove loop depth check.
5776         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
5777         (const_and_copies::record_const_or_copy_raw): New member function.
5778         * tree-ssa-scopedtables.c
5779         (const_and_copies::record_const_or_copy_raw): New, factored out of
5780         (const_and_copies::record_const_or_copy): Call new member function.
5781
5782 2016-02-05  Jeff Law  <law@redhat.com>
5783
5784         PR tree-optimization/68541
5785         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
5786         (count_stmts_in_block): New function.
5787         (poor_ifcvt_candidate_code): Likewise.
5788         (is_feasible_trace): Add some heuristics to determine when path
5789         splitting is profitable.
5790         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
5791         is a diamond with a single exit.
5792
5793 2016-02-05  Martin Sebor  <msebor@redhat.com>
5794
5795         PR c++/69662
5796         * doc/invoke.texi: Update -Wplacement-new to take an optional
5797         argument.
5798
5799 2016-02-06  Richard Henderson  <rth@redhat.com>
5800
5801         PR c/69643
5802         * tree.c (tree_nop_conversion_p): Do not strip casts into or
5803         out of non-standard address spaces.
5804
5805 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
5806
5807         PR rtl-optimization/69691
5808         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
5809
5810 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
5811
5812         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
5813         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
5814         (*ieee128_mfvsrd_64bit): Likewise.
5815         (*ieee128_mfvsrd_32bit): Likewise.
5816
5817 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
5818
5819         PR target/69369
5820         Revert r232560:
5821         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
5822
5823         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
5824         instrumented_version.
5825
5826 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
5827
5828         * doc/invoke.texi (Optimize Options): In table of --param options
5829         rename second occurrence of tracer-min-branch-ratio to
5830         tracer-min-branch-probability, rename
5831         tracer-min-branch-ratio-feedback to
5832         tracer-min-branch-probability-feedback and clarify description,
5833         rename sched-spec-state-edge-prob-cutoff to
5834         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
5835         to selsched-insns-to-rename, rename lto-minpartition to
5836         lto-min-partition, delete reorder-blocks-duplicate and
5837         reorder-blocks-duplicate-feedback.
5838
5839 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5840
5841         * config/s390/s390.c (s390_register_info_set_ranges): Remove
5842         superfluous loops.
5843
5844 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
5845
5846         * doc/extend.texi: S/390: Correct some typos.
5847
5848 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5849
5850         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
5851
5852 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5853
5854         PR target/69625
5855         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
5856         (s390_register_info_gprtofpr): Use new macros above.
5857         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
5858         its name.
5859         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
5860         its name.  Adjust restore and save gpr ranges.
5861         (s390_register_info_set_ranges): New function.
5862         (s390_register_info): Use new macros above.  Call
5863         s390_register_info_set_ranges.
5864         (s390_optimize_register_info): Likewise.
5865         (s390_hard_regno_rename_ok): Use new macros.
5866         (s390_hard_regno_scratch_ok): Likewise.
5867         (s390_emit_epilogue): Likewise.
5868         (s390_can_use_return_insn): Likewise.
5869         (s390_optimize_prologue): Likewise.
5870         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
5871
5872 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
5873
5874         PR bootstrap/69677
5875         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
5876         alignment fixes.
5877         (ix86_option_override_internal): Disable TARGET_STV even for
5878         -m{incoming,preferred}-stack-boundary=3.
5879
5880 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
5881
5882         * config.gcc: Mark deprecated rtems targets as obsolete.
5883
5884 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
5885
5886         PR rtl-optimization/64682
5887         PR rtl-optimization/69567
5888         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
5889         before I2 only if the register is both used and set in I2.
5890
5891 2016-02-04  DJ Delorie  <dj@redhat.com>
5892
5893         * config/msp430/msp430.c (msp430_start_function): Add function type.
5894
5895 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
5896
5897         PR fortran/69368
5898         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
5899
5900 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
5901
5902         PR rtl-optimization/69577
5903         Revert:
5904         2015-10-29  Richard Henderson  <rth@redhat.com>
5905
5906         PR target/68124
5907         PR rtl-opt/67609
5908         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
5909         sse check to the exact conditions of PR 67609.
5910
5911 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
5912
5913         PR target/69667
5914         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
5915         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
5916         not allowed into the traditional Altivec registers.
5917         (movtd_64bit_nodm): Likewise.
5918         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
5919
5920 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
5921
5922         * config/aarch64/cortex-a57-fma-steering.c
5923         (aarch64_register_fma_steering): Remove "static" from arguments
5924         to register_pass.
5925
5926 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
5927
5928         PR target/69619
5929         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
5930         twice when complex.
5931
5932 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
5933
5934         * doc/invoke.texi: Delete -mno-fma4.
5935
5936 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
5937
5938         PR rtl-optimization/69577
5939         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
5940         (find_subregs_of_mode): Update accordingly.  Iterate over partial
5941         definitions.
5942
5943 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
5944
5945         * config/arm/arm-protos.h (neon_reinterpret): Remove.
5946         * config/arm/arm.c (neon_reinterpret): Remove.
5947         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
5948         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
5949         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
5950         vreinterpretti): Remove.
5951         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
5952         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
5953         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
5954         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
5955         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
5956         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
5957         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
5958         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
5959         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
5960         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
5961         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
5962         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
5963         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
5964         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
5965         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
5966         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
5967         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
5968         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
5969         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
5970         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
5971         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
5972         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
5973         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
5974         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
5975         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
5976         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
5977         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
5978         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
5979         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
5980         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
5981         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
5982         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
5983         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
5984         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
5985         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
5986         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
5987         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
5988         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
5989         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
5990         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
5991         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
5992         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
5993         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
5994         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
5995         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
5996         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
5997         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
5998         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
5999         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6000         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6001         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6002         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6003         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6004         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6005         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6006         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6007         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6008         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6009         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6010         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6011         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6012         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6013         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6014         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6015         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6016         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6017         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6018         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6019         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6020         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6021         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6022         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6023         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6024         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6025         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6026         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6027         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6028         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6029         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6030         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6031         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6032         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6033         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6034         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6035         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6036         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6037         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6038         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6039         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6040         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6041         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6042         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6043         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6044         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6045         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6046         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6047         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6048         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6049         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6050         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6051         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6052         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6053         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6054
6055 2016-02-04  Martin Liska  <mliska@suse.cz>
6056
6057         PR sanitizer/69276
6058         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6059         that are gimple_store_p.
6060         (maybe_instrument_call): Likewise.
6061
6062 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
6063
6064         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6065         register scaling out of memory reference and comment why.
6066
6067 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6068
6069         PR target/65932
6070         PR target/67714
6071         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6072         folding the source of a SET.
6073
6074 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6075
6076         PR target/65932
6077         PR target/67714
6078         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6079         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6080
6081 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
6082
6083         PR target/65932
6084         PR target/67714
6085         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6086         HImode.
6087
6088 2016-02-04  Christian Bruel  <christian.bruel@st.com>
6089
6090         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6091         * config/arm/arm.c (arm_set_current_function): Likewise.
6092
6093 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6094             Ilya Enkovich  <enkovich.gnu@gmail.com>
6095             H.J. Lu  <hongjiu.lu@intel.com>
6096
6097         PR target/69454
6098         * config/i386/i386.c (convert_scalars_to_vector): Remove
6099         stack alignment fixes.
6100         (ix86_option_override_internal): Disable TARGET_STV if stack
6101         might not be aligned enough.
6102         (ix86_minimum_alignment): Assert that TARGET_STV is false.
6103
6104 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
6105
6106         * gcc/config/i386/x86-tune.def: Disable default prefetching
6107         for -march=znver1.
6108
6109 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6110             Vladimir Makarov  <vmakarov@redhat.com>
6111
6112         PR target/69461
6113         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6114         in validating fused toc addresses.
6115
6116 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
6117
6118         PR c/69627
6119         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6120         range->m_caret fields if range->m_show_caret_p is false.
6121
6122         PR target/69644
6123         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6124         Force oldval into register if it does not satisfy reg_or_short_operand
6125         predicate.  Fix up formatting.
6126
6127 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
6128             Alexandre Oliva  <aoliva@redhat.com>
6129
6130         PR target/69461
6131         * lra-constraints.c (simplify_operand_subreg): Check additionally
6132         address validity after potential reloading.
6133         (process_address_1): Check insns validity.  In case of failure do
6134         nothing.
6135
6136 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6137
6138         PR target/69118
6139         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6140         Fix target.
6141
6142 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
6143
6144         * wide-int.cc (canonize_uhwi): New function.
6145         (wi::divmod_internal): Use it.
6146
6147 2016-02-02  James Norris  <jnorris@codesourcery.com
6148
6149         * gimplify.c (omp_notice_variable): Add usage check.
6150
6151 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
6152
6153         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6154         like LE, GE, LT, GT when emitting relational operator.
6155
6156 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6157
6158         * ira-costs.c (find_costs_and_classes): Add extra argument.
6159         * target.def (ira_change_pseudo_allocno_class): Add parameter.
6160         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6161         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6162         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6163         Add best_class parameter, and return it if not ALL_REGS.
6164         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6165         Add parameter.
6166         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6167         Update target hook.
6168
6169 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6170
6171         * config/aarch64/aarch64.c
6172         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6173         (aarch64_ira_change_pseudo_allocno_class): New function.
6174
6175 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
6176
6177         PR target/67032
6178         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6179
6180 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6181
6182         * config/avr/avr.c (avr_option_override): Set
6183         PARAM_ALLOW_STORE_DATA_RACES to 1.
6184
6185 2016-02-02  Richard Biener  <rguenther@suse.de>
6186
6187         PR tree-optimization/69595
6188         * match.pd: Add range test simplifications to true/false.
6189
6190 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
6191
6192         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6193         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6194         instead.
6195
6196 2016-02-02  Richard Biener  <rguenther@suse.de>
6197
6198         PR tree-optimization/69606
6199         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6200         info on the result before moving a stmt.
6201
6202 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
6203
6204         PR middle-end/68542
6205         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6206         branch with vector comparison.
6207         * config/i386/sse.md (VI48_AVX): New mode iterator.
6208         (define_expand "cbranch<mode>4): Add support for conditional branch
6209         with vector comparison.
6210         * tree-vect-loop.c (optimize_mask_stores): New function.
6211         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6212         has_mask_store field of vect_info.
6213         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6214         vectorized loops having masked stores after vec_info destroy.
6215         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6216         correspondent macros.
6217         (optimize_mask_stores): Add prototype.
6218
6219 2016-02-02  Alan Modra  <amodra@gmail.com>
6220
6221         PR target/69548
6222         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6223         allow subregs.
6224
6225 2016-02-02  Alan Modra  <amodra@gmail.com>
6226
6227         PR target/68662
6228         * config/rs6000/rs6000.c (need_toc_init): New var, set it
6229         whenever toc_label_name used.
6230         (rs6000_file_start): Don't set up toc section here,
6231         (rs6000_output_function_epilogue): do so here instead,
6232         (rs6000_xcoff_file_start): and here.
6233         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6234         (load_toc_aix_di): Likewise.
6235
6236 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6237
6238         PR rtl-optimization/69592
6239         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6240         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6241         (num_sign_bit_copies_binary_arith_p): New inline function.
6242         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6243
6244 2016-02-01  Jeff Law  <law@redhat.com>
6245
6246         PR tree-optimization/69580
6247         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6248         * tree-ssa-threadbackward.c
6249         (fsm_find_control_statement_thread_paths): Do not try to walk
6250         through large PHI nodes.
6251
6252 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6253
6254         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6255         when count is incremented above limit, don't analyze further
6256         insns afterwards.
6257
6258         * omp-low.c (oacc_parse_default_dims): Avoid
6259         -Wsign-compare warning, make sure value fits into int
6260         rather than just unsigned int.
6261
6262 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
6263
6264         PR tree-optimization/67921
6265         * fold-const.c (split_tree): New parameters.  Convert pointer
6266         type variable part to proper type before negating.
6267         (fold_binary_loc): Pass new arguments to split_tree.
6268
6269 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
6270
6271         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6272         (nvptx_goacc_validate_dims): Extend to handle global defaults.
6273         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6274         * doc/tm.texti: Rebuilt.
6275         * doc/invoke.texi (fopenacc-dim): Document.
6276         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6277         (append_compiler_options): Likewise.
6278         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6279         (oacc_parse_default_dims): New.
6280         (oacc_validate_dims): Add USED arg.  Select non-unity default when
6281         possible.
6282         (oacc_loop_fixed_partitions): Return mask of used partitions.
6283         (oacc_loop_auto_partitions): Emit dump info.
6284         (oacc_loop_partition): Return mask of used partitions.
6285         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
6286         loop partitioning and validation calls.
6287
6288 2016-02-01  Richard Biener  <rguenther@suse.de>
6289
6290         PR middle-end/69556
6291         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6292
6293 2016-02-01  Richard Biener  <rguenther@suse.de>
6294
6295         PR tree-optimization/69574
6296         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6297         of asserting return chrec_dont_know.
6298
6299 2016-02-01  Martin Liska  <mliska@suse.cz>
6300
6301         * mem-stats-traits.h: Add copyright header.
6302         * mem-stats.h: Likewise.
6303
6304 2016-02-01  Richard Biener  <rguenther@suse.de>
6305
6306         PR tree-optimization/69579
6307         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6308         Do not propagate through abnormal PHI results.
6309
6310 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
6311
6312         * postreload.c (reload_cse_simplify): Remove dead code.
6313
6314 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6315
6316         PR rtl-optimization/69570
6317         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6318         if there is more than one set, not if there is a single set.
6319
6320 2016-02-01  Richard Henderson  <rth@redhat.com>
6321
6322         PR rtl-opt/69535
6323         * combine.c (make_compound_operation): When looking through a
6324         subreg, make sure to re-extend to the width of the outer mode.
6325
6326 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
6327
6328         PR tree-optimization/69546
6329         * wide-int.cc (wi::divmod_internal): For unsigned division
6330         where both operands fit into uhwi, if o1 is 1 and o0 has
6331         msb set, if divident_prec is larger than bits per hwi,
6332         clear another quotient word and return 2 instead of 1.
6333         Similarly for remainder with msb in HWI set, if dividend_prec
6334         is larger than bits per hwi.
6335
6336 2016-01-29  Martin Jambor  <mjambor@suse.cz>
6337
6338         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6339         Use short lowercase names.
6340         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
6341         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6342         acq_rel one.  Protect warning agains segfaults if
6343         get_memory_order_name returns NULL.
6344         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6345         with release semantics.  Do not warn if get_memory_order already did.
6346         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6347         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
6348         if get_memory_order already did.
6349
6350 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
6351
6352         * doc/install.texi: Document that isl-0.16 is supported.
6353
6354 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6355
6356         PR target/69299
6357         * config/i386/constraints.md (Bm): Describe as special memory
6358         constraint.
6359         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6360         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6361         * genpreds.c (struct constraint_data): Add is_special_memory.
6362         (have_special_memory_constraints, special_memory_start): New
6363         static vars.
6364         (special_memory_end): Ditto.
6365         (add_constraint): Add new arg is_special_memory.  Add code to
6366         process its true value.  Update have_special_memory_constraints.
6367         (process_define_constraint): Pass the new arg.
6368         (process_define_register_constraint): Ditto.
6369         (choose_enum_order): Process special memory.
6370         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6371         function insn_extra_special_memory_constraint.
6372         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6373         * gensupport.c (process_rtx): Process
6374         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6375         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6376         * ira-lives.c (single_reg_class): Use
6377         insn_extra_special_memory_constraint.
6378         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6379         * lra-constraints.c (process_alt_operands): Ditto.
6380         (curr_insn_transform): Use insn_extra_special_memory_constraint.
6381         * recog.c (asm_operand_ok, preprocess_constraints): Process
6382         CT_SPECIAL_MEMORY.
6383         * reload.c (find_reloads): Ditto.
6384         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6385         * stmt.c (parse_input_constraint): Use
6386         insn_extra_special_memory_constraint.
6387
6388 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6389
6390         PR target/69530
6391         * lra-splill.c (lra_final_code_change): Revert r229087 by
6392         removing all sub-registers.
6393
6394 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
6395
6396         PR target/65604
6397         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6398
6399 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
6400
6401         PR target/69551
6402         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6403         SSE1, copy target into the temporary reg first before recursing
6404         on it.
6405
6406 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6407
6408         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6409         with vm.
6410
6411 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6412
6413         * ginclude/stdarg.h: Test __cplusplus instead of
6414         __GXX_EXPERIMENTAL_CXX0X__.
6415
6416 2016-01-29  Richard Biener  <rguenther@suse.de>
6417
6418         PR tree-optimization/69547
6419         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6420         Do not mark clobbers necessary.
6421         (mark_all_reaching_defs_necessary_1): Likewise.
6422
6423 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6424
6425         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
6426         declaration name with %qs and print it in both error messages.
6427         Also fix indentation.
6428
6429 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6430
6431         PR other/69006
6432         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
6433         trailing blank line from error message.
6434
6435 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6436
6437         PR c++/69462
6438         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
6439         for C++-11.
6440
6441 2016-01-29  Richard Biener  <rguenther@suse.de>
6442
6443         PR middle-end/69537
6444         * match.pd: Allow all integral types when simplifying a
6445         widening or sign-changing conversion.
6446
6447 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6448
6449         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
6450         back to setting codegen_error to fail codegen.
6451
6452 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
6453
6454         PR target/69459
6455         * config/i386/constraints.md (C): Only accept constant zero operand.
6456         (BC): New constraint.
6457         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
6458         instead of C constraint.
6459         * doc/md.texi (Machine Constraints): Update description
6460         of C constraint.
6461
6462 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
6463
6464         PR target/68400
6465         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
6466
6467 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
6468
6469         PR middle-end/69542
6470         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
6471         non-debug insns.
6472
6473 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6474
6475         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
6476         branches if using guessed profile.
6477
6478 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
6479
6480         * graphite-optimize-isl.c (optimize_isl): Fix dump.
6481
6482 2016-01-28  Richard Henderson  <rth@redhat.com>
6483
6484         PR target/69305
6485         * config/aarch64/aarch64-modes.def (CC_Cmode): New
6486         * config/aarch64/aarch64-protos.h: Update.
6487         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
6488         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
6489         (aarch64_get_condition_code_1): Handle CC_Cmode.
6490         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
6491         (*add<mode>3_compareC_cconly_imm): New.
6492         (*add<mode>3_compareC_cconly): New.
6493         (*add<mode>3_compareC_imm): New.
6494         (add<mode>3_compareC): New.
6495         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
6496         to be first.  Use aarch64_carry_operation.
6497         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
6498         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
6499         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
6500         (subti3): Use subdi3_compare1.
6501         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
6502         (sub<mode>3_compare1): New.
6503         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
6504         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
6505         (*subsi3_carryin_uxtw): Likewise.
6506         (*ngc<mode>, *ngcsi_uxtw): Likewise.
6507         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
6508         * config/aarch64/iterators.md (DWI): New.
6509         * config/aarch64/predicates.md (aarch64_carry_operation): New.
6510         (aarch64_borrow_operation): New.
6511
6512 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
6513
6514         * graphite-optimize-isl.c (optimize_isl): Print a different debug
6515         message when isl does not return a valid schedule.
6516
6517 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6518
6519         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
6520         Remove comments from class declarations: they are already in the code
6521         close by the defs.
6522
6523 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6524
6525         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
6526         codegen_error_p.
6527         (ternary_op_to_tree): Same.
6528         (unary_op_to_tree): Same.
6529         (nary_op_to_tree): Same.
6530         (gcc_expression_from_isl_expr_op): Same.
6531         (gcc_expression_from_isl_expression): Same.
6532         (graphite_create_new_loop): Same.
6533         (graphite_create_new_loop_guard): Same.
6534         (build_iv_mapping): Same.
6535         (graphite_create_new_guard): Same.
6536         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
6537         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
6538
6539 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6540
6541         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
6542         instead of setting codegen_error to fail codegen.
6543
6544 2016-01-28  Jason Merrill  <jason@redhat.com>
6545
6546         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
6547
6548 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6549
6550         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6551         Remove CONST_INT_P check in CCMP cost calculation.
6552
6553 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6554
6555         * config/aarch64/aarch64.c (generic_vector_cost):
6556         Set vec_permute_cost.
6557         (cortexa57_vector_cost): Likewise.
6558         (exynosm1_vector_cost): Likewise.
6559         (xgene1_vector_cost): Likewise.
6560         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
6561         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
6562         Add vec_permute_cost entry.
6563
6564 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6565
6566         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
6567         immediate as %1.
6568         (add<mode>3_compare0): Likewise.
6569         (addsi3_compare0_uxtw): Likewise.
6570         (add<mode>3nr_compare0): Likewise.
6571         (compare_neg<mode>): Likewise.
6572         (<optab><mode>3): Likewise.
6573
6574 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
6575
6576         * tree-vect-stmts.c (vectorizable_comparison): Add
6577         NULL check for vectype.
6578
6579 2016-01-28  Richard Biener  <rguenther@suse.de>
6580
6581         PR tree-optimization/69466
6582         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6583         Account for PHIs we couldn't duplicate.
6584
6585 2016-01-28  Martin Liska  <mliska@suse.cz>
6586
6587         PR pch/68758
6588         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
6589         instead of ENABLE_VALGRIND_CHECKING.
6590
6591 2016-01-27  Richard Henderson  <rth@redhat.com>
6592
6593         PR rtl-opt/69447
6594         * lra-remat.c (subreg_regs): New.
6595         (dump_candidates_and_remat_bb_data): Dump it.
6596         (operand_to_remat): Reject if operand in subreg_regs.
6597         (set_bb_regs): Collect subreg_regs.
6598         (lra_remat): Init and free subreg_regs.  Compute
6599         calculate_local_reg_remat_bb_data before create_cands.
6600
6601 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6602
6603         PR target/68986
6604         * config/i386/i386.c (ix86_update_stack_boundary): Don't
6605         change stack_alignment_needed for __tls_get_addr call.
6606
6607 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
6608
6609         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
6610
6611 2016-01-27  Jeff Law  <law@redhat.com>
6612
6613         PR tree-optimization/68398
6614         PR tree-optimization/69196
6615         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
6616         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
6617         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6618         Only count PHIs in the last block in the path.  The others will
6619         const/copy propagate away.  Add heuristic to allow more irreducible
6620         subloops to be created when it is likely profitable to do so.
6621
6622         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6623         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
6624         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
6625
6626 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
6627
6628         PR lto/69254
6629         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
6630         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
6631         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
6632         * tree-streamer-in.c: Include asan.h.
6633         (streamer_get_builtin_tree): For builtins in sanitizer
6634         range call initialize_sanitizer_builtins and retry.
6635
6636 2016-01-27  Ian Lance Taylor  <iant@google.com>
6637
6638         * common.opt (fkeep-gc-roots-live): New undocumented option.
6639         * tree-ssa-loop-ivopts.c (add_candidate_1): If
6640         -fkeep-gc-roots-live, skip pointers.
6641         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
6642         NULL.
6643
6644 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
6645
6646         PR target/69512
6647         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
6648         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
6649
6650 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
6651
6652         PR target/68380
6653         * configure.ac: NetBSD provides SSP in its C library.
6654         * configure: Updated.
6655
6656 2016-01-27  Richard Biener  <rguenther@suse.de>
6657
6658         PR tree-optimization/69166
6659         * tree-vect-loop.c (vect_is_simple_reduction): Always check
6660         reduction code for commutativity / associativity.
6661
6662 2016-01-27  Martin Jambor  <mjambor@suse.cz>
6663
6664         PR tree-optimization/69355
6665         * tree-sra.c (analyze_access_subtree): Correct hole detection when
6666         total_scalarization fails.
6667
6668 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
6669
6670         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
6671         power9.
6672
6673 2016-01-27  Christian Bruel  <christian.bruel@st.com>
6674
6675         PR target/69245
6676         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
6677         Move arm_reset_previous_fndecl and set_target_option_current_node in
6678         the conditional part.  Call save_restore_target_globals.
6679         * config/arm/arm.c (arm_set_current_function):
6680         Refactor to better support #pragma target and attribute mix.
6681         Call save_restore_target_globals.
6682         * config/arm/arm-protos.h (save_restore_target_globals): New function.
6683
6684 2016-01-27  Martin Liska  <mliska@suse.cz>
6685
6686         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
6687         reference for an HSA kernel and its host function.
6688
6689 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
6690
6691         PR tree-optimization/69399
6692         * wide-int.h (wi::lrshift): For larger precisions, only
6693         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
6694
6695 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
6696
6697         * config/arc/predicates.md (proper_comparison_operator): Reject
6698         constant-constant comparison.
6699
6700 2016-01-26  Tom de Vries  <tom@codesourcery.com>
6701
6702         PR tree-optimization/69110
6703         * tree-data-ref.c (initialize_data_dependence_relation): Handle
6704         DR_NUM_DIMENSIONS == 0.
6705
6706 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
6707             Sebastian Pop  <s.pop@samsung.com>
6708
6709         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
6710         isl_ast_op_cond and isl_ast_op_select.
6711         (gcc_expression_from_isl_expr_op): Same.
6712
6713 2016-01-26  Jason Merrill  <jason@redhat.com>
6714
6715         PR c++/68782
6716         * tree.c (recompute_constructor_flags): Split out from
6717         build_constructor.
6718         (verify_constructor_flags): New.
6719         * tree.h: Declare them.
6720
6721 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
6722
6723         PR rtl-optimization/69217
6724         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
6725         are no TYPE_FIELDS set for the record type.
6726
6727 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6728
6729         PR target/68662
6730         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
6731         toc_label_name unconditionally.
6732         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
6733         SYMBOL_REF string.  Use toc_label_name instead of constructing
6734         LCTOC1.
6735         (rs6000_elf_declare_function_name): Use toc_label_name instead of
6736         constructing LCTOC1.
6737
6738 2016-01-26  Martin Sebor  <msebor@redhat.com>
6739
6740         PR other/69477
6741         * doc/extend.texi (Common Type Attributes): Move text that talks about
6742         attribute packed from attribute aligned to the section discussing
6743         the former attribute for clarity.
6744
6745 2016-01-26  Richard Henderson  <rth@redhat.com>
6746
6747         PR middle-end/60908
6748         * trans-mem.c (tm_region_init): Mark entry block as visited.
6749
6750 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
6751
6752         PR other/69006
6753         * diagnostic-show-locus.c (layout::print_source_line): Replace
6754         call to pp_newline with call to layout::print_newline.
6755         (layout::print_annotation_line): Likewise.
6756         (layout::move_to_column): Likewise.
6757         (layout::print_any_fixits): After printing any fixits, print a
6758         trailing newline, if necessary.
6759         (layout::print_newline): New method, resetting any colorization
6760         before a newline.
6761         (diagnostic_show_locus): Move the pp_newline to before the
6762         early bailout.  Remove dummy block enclosing the layout instance.
6763         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
6764         of pp_newline_and_flush with pp_flush.
6765         (diagnostic_append_note): Delete use of pp_newline.
6766         (diagnostic_append_note_at_rich_loc): Delete.
6767         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
6768         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
6769         when newline characters are added to the buffer.
6770
6771 2016-01-26  Michael Matz  <matz@suse.de>
6772
6773         * configure.ac (ac_cv_std_swap_in_utility): New test.
6774         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
6775         * configure: Regenerate.
6776         * config.in: Regenerate.
6777
6778 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
6779
6780         * config/arc/arc.md (cstoresi4): Force operand into register.
6781         (arcset<code>): Fix predicate.
6782         (arcsetltu): Likewise.
6783         (arcsetgeu): Likewise.
6784         (arcsethi): Likewise.
6785         (arcsetls): Likewise.
6786
6787 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6788
6789         PR tree-optimization/69483
6790         * gimple-fold.c (canonicalize_constructor_val): Return NULL
6791         if base has error_mark_node type.
6792
6793 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
6794
6795         PR target/68620
6796         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
6797         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
6798         New helper macros.
6799         (vget_lane_f16): Handle big-endian.
6800         (vgetq_lane_f16): Likewise.
6801         (vset_lane_f16): Likewise.
6802         (vsetq_lane_f16): Likewise.
6803         * config/arm/iterators.md (VQXMOV): Add V8HF.
6804         (VDQ): Add V4HF and V8HF.
6805         (V_reg): Handle V4HF and V8HF.
6806         (Is_float_mode): Likewise.
6807         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
6808         neon_vdup_nv8hf): New patterns.
6809         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
6810         Use VD_LANE iterator.
6811         (neon_vld1_dup<mode>): Use VQ2 iterator.
6812
6813 2016-01-26  Nathan Sidwell  <nathan@acm.org>
6814
6815         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
6816         (set_oacc_fn_attrib): Add IS_KERNEL arg.
6817         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
6818         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
6819         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
6820         (oacc_validate_dims): Add LEVEL arg, don't return level.
6821         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
6822         oacc_validate_dims.
6823         (execute_oacc_device_lower): Adjust, add more dump output.
6824         * tree-ssa-loop.c (gate_oacc_kernels): Use
6825         oacc_fn_attrib_kernels_p.
6826         * tree-parloops.c (create_parallel_loop): Adjust
6827         set_oacc_fn_attrib call.
6828
6829 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6830
6831         PR lto/69254
6832         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
6833         (append_compiler_options): Handle -fcilkplus.
6834         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
6835
6836 2016-01-26  Nick Clifton  <nickc@redhat.com>
6837
6838         PR target/66655
6839         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
6840         been marked as DECL_ONE_ONLY but we do not the means to make it
6841         so, then do not allow it to bind locally.
6842
6843 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6844
6845         PR lto/69254
6846         * opts.h (parse_sanitizer_options): New prototype.
6847         * opts.c (sanitizer_opts): New array.
6848         (parse_sanitizer_options): New function.
6849         (common_handle_option): Use parse_sanitizer_options.
6850
6851 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
6852
6853         PR target/68986
6854         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
6855         alignment adjustment to ...
6856         (ix86_update_stack_boundary): Here.  Don't over-align stack for
6857         __tls_get_addr.
6858         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
6859         if __tls_get_addr is called.
6860
6861 2016-01-26  Christian Bruel  <christian.bruel@st.com>
6862
6863         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
6864
6865 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
6866
6867         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
6868
6869 2016-01-26  Richard Biener  <rguenther@suse.de>
6870
6871         PR middle-end/69467
6872         * match.pd: Guard X * CST CMP 0 pattern with single_use.
6873
6874 2016-01-26  Richard Biener  <rguenther@suse.de>
6875
6876         PR tree-optimization/69452
6877         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
6878         (move_computations_dom_walker::before_dom_children): Rename
6879         to ...
6880         (move_computations_worker): This.
6881         (move_computations): Perform an RPO rather than a DOM walk.
6882
6883 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
6884
6885         PR target/69442
6886         * combine.c (combine_instructions): For REG_EQUAL note with
6887         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
6888         to the underlying register.
6889         * doc/rtl.texi (REG_EQUAL): Document the behavior of
6890         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
6891
6892 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
6893
6894         PR target/67896
6895         * config/aarch64/aarch64-builtins.c
6896         (aarch64_init_simd_builtin_types): Do not set structural
6897         equality to __Poly{8,16,64,128}_t types.
6898
6899 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
6900
6901         PR tree-optimization/69400
6902         * wide-int.cc (wi_pack): Take the precision as argument and
6903         perform canonicalization here rather than in the callers.
6904         Use the main loop to handle all full-width HWIs.  Add a
6905         zero HWI if in_len isn't a full result.
6906         (wi::divmod_internal): Update accordingly.
6907         (wi::mul_internal): Likewise.  Simplify.
6908
6909 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
6910             Sebastian Pop  <s.pop@samsung.com>
6911
6912         * graphite-poly.c (apply_poly_transforms): Simplify.
6913         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
6914         (print_isl_map): Same.
6915         (print_isl_union_map): Same.
6916         (print_isl_schedule): New.
6917         (debug_isl_schedule): New.
6918         * graphite-dependences.c (scop_get_reads): Do not call
6919         isl_union_map_add_map that is undocumented isl functionality.
6920         (scop_get_must_writes): Same.
6921         (scop_get_may_writes): Same.
6922         (scop_get_original_schedule): Remove.
6923         (scop_get_dependences): Do not call isl_union_map_compute_flow that
6924         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
6925         (compute_deps): Remove.
6926         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
6927         (debug_schedule_ast): New.
6928         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
6929         set_separate_option.
6930         (graphite_regenerate_ast_isl): Add dump.
6931         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
6932         from scop->transformed_schedule.
6933         (graphite_regenerate_ast_isl): Add more dump.
6934         * graphite-optimize-isl.c (optimize_isl): Set
6935         scop->transformed_schedule.  Check whether schedules are equal.
6936         (apply_poly_transforms): Move here.
6937         * graphite-poly.c (apply_poly_transforms): ... from here.
6938         (free_poly_bb): Static.
6939         (free_scop): Static.
6940         (pbb_number_of_iterations_at_time): Remove.
6941         (print_isl_ast): New.
6942         (debug_isl_ast): New.
6943         (debug_scop_pbb): New.
6944         * graphite-scop-detection.c (print_edge): Move.
6945         (print_sese): Move.
6946         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
6947         (build_scop_scattering): Remove.
6948         (create_pw_aff_from_tree): Assert instead of bailing out.
6949         (add_condition_to_pbb): Remove unused code, do not fail.
6950         (add_conditions_to_domain): Same.
6951         (add_conditions_to_constraints): Remove.
6952         (build_scop_context): New.
6953         (add_iter_domain_dimension): New.
6954         (build_iteration_domains): Initialize pbb->iterators.
6955         Call add_conditions_to_domain.
6956         (nested_in): New.
6957         (loop_at): New.
6958         (index_outermost_in_loop): New.
6959         (index_pbb_in_loop): New.
6960         (outermost_pbb_in): New.
6961         (add_in_sequence): New.
6962         (add_outer_projection): New.
6963         (outer_projection_mupa): New.
6964         (add_loop_schedule): New.
6965         (build_schedule_pbb): New.
6966         (build_schedule_loop): New.
6967         (embed_in_surrounding_loops): New.
6968         (build_schedule_loop_nest): New.
6969         (build_original_schedule): New.
6970         (build_poly_scop): Call build_original_schedule.
6971         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
6972         (free_poly_dr): Remove.
6973         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
6974         (free_poly_bb): Remove.
6975         (debug_loop_vec): Remove.
6976         (print_isl_ast): Declare.
6977         (debug_isl_ast): Declare.
6978         (scop_do_interchange): Remove.
6979         (scop_do_strip_mine): Remove.
6980         (scop_do_block): Remove.
6981         (flatten_all_loops): Remove.
6982         (optimize_isl): Remove.
6983         (pbb_number_of_iterations_at_time): Remove.
6984         (debug_scop_pbb): Declare.
6985         (print_schedule_ast): Declare.
6986         (debug_schedule_ast): Declare.
6987         (struct scop): Remove schedule.  Add original_schedule,
6988         transformed_schedule.
6989         (free_gimple_poly_bb): Remove.
6990         (print_generated_program): Remove.
6991         (debug_generated_program): Remove.
6992         (unify_scattering_dimensions): Remove.
6993         * sese.c (print_edge): ... here.
6994         (print_sese): ... here.
6995         (debug_edge): ... here.
6996         (debug_sese): ... here.
6997         * sese.h (print_edge): Declare.
6998         (print_sese): Declare.
6999         (dump_edge): Declare.
7000         (dump_sese): Declare.
7001
7002 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7003             Sebastian Pop  <s.pop@samsung.com>
7004
7005         * Makefile.in: Set ISLVER in site.exp.
7006
7007 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
7008
7009         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7010         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
7011         through DECL_VALUE_EXPR for expansion.
7012
7013 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7014
7015         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7016         the frame info after reload completed.
7017
7018 2016-01-25  Jeff Law  <law@redhat.com>
7019
7020         PR tree-optimization/69196
7021         PR tree-optimization/68398
7022         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7023         tree-ssa-threadupdate.c.
7024         (determine_bb_domination_status): Prototype
7025         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7026         (determine_bb_domination_status): No longer static.
7027         (valid_jump_thread_path): Remove code to detect characteristics
7028         of the jump thread path not associated with correctness.
7029         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7030         Correct test for thread path length.  Count PHIs for real operands as
7031         statements that need to be copied.  Do not count ASSERT_EXPRs.
7032         Look at all the blocks in the thread path.  Compute and selectively
7033         filter thread paths based on threading through the latch, threading
7034         a multiway branch or crossing a multiway branch.
7035
7036 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7037
7038         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
7039         decl with __attribute__ ((unused)) annotation.
7040
7041 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
7042
7043         PR target/69421
7044         * tree-vect-stmts.c (vectorizable_condition): Check vectype
7045         of operands is compatible with a statement vectype.
7046
7047 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
7048
7049         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7050         improve wording for mixed storage order support.
7051
7052 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
7053
7054         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7055         (vcvt_u64_f64): Likewise.
7056         (vcvta_s64_f64): Likewise.
7057         (vcvta_u64_f64): Likewise.
7058         (vcvtm_s64_f64): Likewise.
7059         (vcvtm_u64_f64): Likewise.
7060         (vcvtn_s64_f64): Likewise.
7061         (vcvtn_u64_f64): Likewise.
7062         (vcvtp_s64_f64): Likewise.
7063         (vcvtp_u64_f64): Likewise.
7064
7065 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
7066
7067         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7068         (arc_init): Check validity mll64 option.
7069         (arc_save_restore): Use double load/store instruction.
7070         (arc_expand_movmem): Likewise.
7071         (arc_split_move): Don't split if we have double load/store
7072         instructions. Returns a boolean.
7073         (arc_process_double_reg_moves): Change function to return boolean
7074         instead of a sequence of instructions.
7075         (arc_dwarf_register_span): New function.
7076         * config/arc/arc-protos.h (arc_split_move): Change prototype.
7077         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7078         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7079         (*movdf_insn): Likewise.
7080         * config/arc/arc.opt (mll64): New option.
7081         * config/arc/predicates.md (even_register_operand): New predicate.
7082         * doc/invoke.texi (ARC Options): Add mll64 documentation.
7083
7084 2016-01-25  Richard Biener  <rguenther@suse.de>
7085
7086         PR lto/69393
7087         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7088         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7089         DECL_NAMELESS.
7090         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7091
7092 2016-01-25  Richard Biener  <rguenther@suse.de>
7093
7094         PR tree-optimization/69376
7095         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7096         flag.
7097         (VN_INFO_ANTI_RANGE_P): New inline.
7098         (VN_INFO_RANGE_TYPE): Likewise.
7099         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7100         SSA_NAME_ANTI_RANGE_P.
7101         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7102         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7103         Properly query VN_INFO_RANGE_TYPE.
7104
7105 2016-01-25  Nick Clifton  <nickc@redhat.com>
7106
7107         PR target/66655
7108         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7109
7110 2016-01-23  Tom de Vries  <tom@codesourcery.com>
7111
7112         PR tree-optimization/69426
7113         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7114         removed clobber.
7115
7116 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
7117
7118         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7119         "the the" with "the" in the comments.
7120         * ipa-devirt.c (build_type_inheritance_graph,
7121         update_type_inheritance_graph): Likewise.
7122         * tree.c (build_function_type_list_1): Likewise.
7123         * cfgloopmanip.c (scale_loop_profile): Likewise.
7124         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7125         * gimple-ssa-split-paths.c
7126         (find_block_to_duplicate_for_splitting_paths): Likewise.
7127         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7128         * expr.c (convert_move): Likewise.
7129         * var-tracking.c (vt_stack_adjustments): Likewise.
7130         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7131         * tree-vrp.c (test_for_singularity): Likewise.
7132
7133         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7134         directly instead of building a temporary tree.
7135
7136         PR bootstrap/69434
7137         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7138         remove <algorithm> include.
7139
7140 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7141
7142         PR target/69432
7143         * config/i386/i386.c: Include dojump.h.
7144         (expand_small_movmem_or_setmem,
7145         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7146         fixes.
7147         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7148         if dynamic_check != -1.
7149
7150 2016-01-21  Jeff Law  <law@redhat.com>
7151
7152         PR middle-end/69347
7153         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7154         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
7155         into dominated_by_p.
7156         (cprop_into_successor_phis): Avoid unnecessary tests.
7157
7158 2016-01-22  Richard Henderson  <rth@redhat.com>
7159
7160         PR target/69416
7161         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7162         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7163
7164 2016-01-22  Michael Matz  <matz@suse.de>
7165
7166         * system.h (string, algorithm): Include only conditionally.
7167         (new): Include always under C++.
7168         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7169         * final.c (toplevel): Ditto.
7170         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7171         * genconditions.c (write_header): Make gencondmd.c define
7172         INCLUDE_STRING.
7173         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7174
7175         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7176         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7177
7178 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7179
7180         PR target/68674
7181         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7182
7183 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7184
7185         PR target/69403
7186         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7187         define_insn_and_split.  Ensure operands[1] and operands[0] do not
7188         get assigned the same register.
7189
7190 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
7191
7192         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7193
7194 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7195
7196         * config/arm/arm-c.c (arm_pragma_target_parse):
7197         Remove warn_builtin_macro_redefined overwrite.
7198
7199 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7200
7201         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7202         flag_non_call_exceptions compatibility.
7203
7204 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7205
7206         PR debug/66668
7207         * dwarf2out.c (add_child_die_after): New function.
7208         (dwarf_qual_info_t): New type.
7209         (dwarf_qual_info): New variable.
7210         (qualified_die_p): New function.
7211         (modified_type_die): For -fdebug-types-section, ensure
7212         canonical order of qualifiers.  Put qualified DIEs adjacent
7213         to the corresponding non-qualified type DIE and search there
7214         for existing qualified DIEs.
7215
7216 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7217
7218         * doc/extend.texi (scalar_storage_order type attribute): Document
7219         restriction on type punning and aliasing, and remove future tense.
7220
7221 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
7222
7223         PR target/69252
7224         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7225         first stage.
7226
7227 2016-01-21  Jeff Law  <law@redhat.com>
7228
7229         PR middle-end/69347
7230         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7231         useless call to record_temporary_equivalences.
7232         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7233         allocate 10 slots in the bb_path vector and let it grow as needed.
7234         (fsm_find_control_statement_thread_paths): Similarly for the next_path
7235         vector.
7236
7237 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7238
7239         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7240         Detangle.
7241         * configure: Regenerate.
7242
7243 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
7244
7245         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7246         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7247
7248 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7249
7250         PR middle-end/66178
7251         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7252         drop EXPAND_INITIALIZER.
7253         * rtl.h (contains_symbolic_reference_p): Declare.
7254         * rtlanal.c (contains_symbolic_reference_p): New function.
7255         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7256         a subtraction into a NOT if symbolic constants are involved.
7257
7258 2016-01-21  Anton Blanchard  <anton@samba.org>
7259             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7260
7261         PR target/63354
7262         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7263         #define.
7264         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7265         function.
7266
7267 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7268
7269         * config/microblaze/microblaze.c
7270         (get_branch_target): New.
7271         (insert_wic_for_ilb_runout): New.
7272         (insert_wic): New.
7273         (microblaze_machine_dependent_reorg): New.
7274         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7275         * config/microblaze/microblaze.md
7276         (UNSPEC_IPREFETCH): Define.
7277         (iprefetch): New pattern
7278         * config/microblaze/microblaze.opt
7279         (mxl-prefetch): New flag.
7280
7281 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7282
7283         * config/microblaze/microblaze.h
7284         (FIXED_REGISTERS): Update in macro.
7285         (CALL_USED_REGISTERS): Update in macro.
7286
7287 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
7288
7289         PR rtl-optimization/68920
7290         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7291         moves.
7292
7293 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7294
7295         PR rtl-optimization/68990
7296         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7297         pseudo instead of inheritance ones.
7298
7299 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7300             Nick Clifton  <nickc@redhat.com>
7301
7302         PR target/69129
7303         PR target/69012
7304         * config/mips/mips.c (mips_compute_frame_info): Initialise
7305         args_size and hard_frame_pointer_offset fields of the frame
7306         structure before calling mips_global_pointer.
7307
7308 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7309
7310         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7311         label reference.
7312         * configure: Regenerate.
7313
7314 2016-01-21  Richard Biener  <rguenther@suse.de>
7315
7316         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7317
7318 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7319
7320         * config/s390/s390.c (s390_asm_declare_function_size): Add code
7321         to actually emit the .size directive.
7322
7323 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
7324              Jakub Jelinek  <jakub@redhat.com>
7325
7326         PR target/69187
7327         PR target/65624
7328         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7329         args array size by one to avoid buffer overflow.
7330
7331 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7332
7333         * config/s390/s390.md (pool_section_start): Use switch_to_section
7334         to select proper read-only data section instead of hardcoding
7335         .rodata.
7336         (pool_section_end): Use switch_to_section to match the above.
7337
7338 2016-01-21  Richard Biener  <rguenther@suse.de>
7339
7340         PR tree-optimization/69378
7341         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7342         (set_ssa_val_to): Use it for dominance checks taking into
7343         account not executable edges.
7344
7345 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7346
7347         PR c++/69355
7348         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7349         for bitsize instead of GET_MODE_PRECISION (mode).
7350
7351 2016-01-20  Martin Sebor  <msebor@redhat.com>
7352
7353         PR c/52291
7354         * extend.texi (__sync Builtins): Clarify the semantics of
7355         __sync_fetch_and_OP built-ins on pointers.
7356         (__atomic Builtins): Same.
7357
7358 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7359             Sebastian Pop  <s.pop@samsung.com>
7360
7361         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7362         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7363         (is_valid_rename): Same.
7364         (translate_isl_ast_to_gimple::get_rename): Same.
7365         (translate_isl_ast_to_gimple::rename_all_uses): Same.
7366         (translate_isl_ast_to_gimple::rename_uses): Same.
7367         (get_new_name): Check for close_phi nodes.
7368         (copy_loop_phi_args): Use phi_node_kind.
7369         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7370         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7371
7372 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7373             Sebastian Pop  <s.pop@samsung.com>
7374
7375         Revert commit r229783.
7376         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7377         Remove use of parameter_rename_map.
7378         (copy_def): Remove.
7379         (copy_internal_parameters): Remove.
7380         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7381         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7382         (free_sese_info): Do not free parameter_rename_map.
7383         (set_rename): Do not use parameter_rename_map.
7384         (rename_uses): Update call to set_rename.
7385         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7386         * sese.h (parameter_rename_map_t): Remove.
7387         (struct sese_info_t): Remove field parameter_rename_map.
7388
7389 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7390             Sebastian Pop  <s.pop@samsung.com>
7391
7392         * graphite-isl-ast-to-gimple.c: Fix comment.
7393         * graphite-scop-detection.c (defined_in_loop_p): New.
7394         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7395         names defined in loop.
7396
7397 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7398             Sebastian Pop  <s.pop@samsung.com>
7399
7400         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7401         Discard unstructured if-then-else regions.
7402
7403 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7404             Sebastian Pop  <s.pop@samsung.com>
7405
7406         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7407         (cleanup_loop_iter_dom): Remove.
7408         (build_loop_iteration_domains): Remove.
7409         (build_scop_context): Remove.
7410         (build_scop_iteration_domain): Remove.
7411         (add_loop_constraints): New.
7412         (build_iteration_domains): New.
7413         (build_poly_scop): Call build_iteration_domains.
7414
7415 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7416             Sebastian Pop  <s.pop@samsung.com>
7417
7418         * graphite-scop-detection.c
7419         (scop_detection::harmful_loop_in_region): Free dom and loops.
7420         (scop_detection::loop_body_is_valid_scop): Free bbs.
7421
7422 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7423             Sebastian Pop  <s.pop@samsung.com>
7424
7425         * graphite-scop-detection.c (record_loop_in_sese): New.
7426         (gather_bbs::before_dom_children): Call record_loop_in_sese.
7427         (build_scops): Remove call to build_sese_loop_nests.
7428         * sese.c (sese_record_loop): Remove.
7429         (build_sese_loop_nests): Remove.
7430         (new_sese_info): Remove region->loops.
7431         (free_sese_info): Same.
7432         * sese.h (sese_contains_loop): Same.
7433         (build_sese_loop_nests): Remove.
7434         (sese_contains_loop): Remove.
7435
7436 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7437             Sebastian Pop  <s.pop@samsung.com>
7438
7439         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
7440         loop_is_valid_in_scop.
7441         (scop_detection::harmful_stmt_in_region): Renamed
7442         harmful_loop_in_region.
7443         Call loop_is_valid_in_scop.
7444
7445 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7446             Sebastian Pop  <s.pop@samsung.com>
7447
7448         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
7449         isl_ast_node_mark.
7450
7451 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7452             Sebastian Pop  <s.pop@samsung.com>
7453
7454         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
7455         * graphite.h (struct poly_bb): Remove field is_reduction.
7456         (PBB_IS_REDUCTION): Remove.
7457
7458 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7459             Sebastian Pop  <s.pop@samsung.com>
7460
7461         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
7462         (add_pdr_constraints): Same.
7463         (scop_get_reads): Same.
7464         (scop_get_must_writes): Same.
7465         (scop_get_may_writes): Same.
7466         (scop_get_original_schedule): Same.
7467         (extend_schedule): Same.
7468         (apply_schedule_on_deps): Same.
7469         (carries_deps): Same.
7470         (compute_deps): Same.
7471         (scop_get_dependences): Same.
7472         * graphite-isl-ast-to-gimple.c
7473         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
7474         * graphite-optimize-isl.c (get_schedule_for_band): Same.
7475         (get_schedule_for_band_list): Same.
7476         (get_schedule_map): Same.
7477         (apply_schedule_map_to_scop): Same.
7478         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
7479         (build_loop_iteration_domains): Same.
7480         (add_condition_to_pbb): Same.
7481         (add_param_constraints): Same.
7482         (pdr_add_memory_accesses): Same.
7483         (pdr_add_data_dimensions): Same.
7484
7485 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
7486
7487         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
7488         requirements.
7489
7490 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
7491
7492         * common.opt (feliminate-dwarf2-dups): Replace references to
7493         "DWARF 2" with just "DWARF".
7494         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
7495         * doc/extend.texi: Likewise.
7496         * doc/cpp.texi: Likewise.
7497         * doc/invoke.texi: Likewise.
7498         (Option Summary): Add -gdwarf to list of Debugging Options.
7499         (Debugging Options): Document -gdwarf.
7500         * doc/contrib.texi: Spell "DWARF" like that.
7501
7502 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7503
7504         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
7505         warning.  Fix up formatting.
7506
7507         PR middle-end/67653
7508         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
7509         attempt to mark memory input operand addressable and
7510         call prepare_gimple_addressable in that case.  Don't adjust
7511         input_location for diagnostics, use error_at instead.
7512
7513 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
7514
7515         * config/rs6000/ppc-auxv.h: New file.
7516         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
7517         (cpu_is): Likewise.
7518         (cpu_supports): Likewise.
7519         * config/rs6000/rs6000.c: include "ppc-auxv.h".
7520         (cpu_is_info): New variable.
7521         (cpu_supports_info): Likewise.
7522         (tcb_verification_symbol): Likewise.
7523         (cpu_builtin_p): Likewise.
7524         (cpu_expand_builtin): New function.
7525         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
7526         (rs6000_init_builtins): Likewise.
7527         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
7528         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
7529         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
7530         * configure: Regenerate.
7531         * config.in: Likewise.
7532         * doc/extend.texi (PowerPC Built-in Functions): Document
7533         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
7534
7535 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
7536
7537         PR target/68609
7538         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
7539         domain check.
7540         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
7541         for V4SFmode.
7542
7543 2016-01-20  Richard Henderson  <rth@redhat.com>
7544
7545         PR bootstrap/69343
7546         PR bootstrap/69339
7547         PR tree-opt/68964
7548         Revert:
7549         * tree.c (tm_define_builtin): New.
7550         (find_tm_vector_type): New.
7551         (build_tm_vector_builtins): New.
7552         (build_common_builtin_nodes): Call it.
7553
7554 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
7555
7556         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
7557         (arm_fp_ok): Likewise.
7558         (arm_fp): Likewise.
7559         (arm_crypto): Likewise.
7560
7561 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
7562             Richard Biener  <rguenther@suse.de>
7563
7564         PR tree-optimization/69328
7565         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
7566         vectors have same number of elements.
7567         (vectorizable_condition): Fix masked version recognition.
7568
7569 2016-01-20  Richard Biener  <rguenther@suse.de>
7570
7571         PR tree-optimization/69345
7572         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
7573         (VN_INFO_PTR_INFO): Likewise.
7574         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
7575         info when it is equal between non-dominating SSA names.
7576         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7577         Make sure to look at original SSA infos.
7578
7579 2016-01-20  Jeff Law  <law@redhat.com>
7580
7581         PR target/25114
7582         * config/m68k/predicates.md (pow2_m1_operand): New predicate
7583         extracted from ...
7584         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
7585         (pc_or_label_operand): New predicate.
7586         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
7587         tests for small integers that are 2^n - 1.
7588
7589 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
7590
7591         * doc/invoke.texi (Options Summary): Add '.' after @xref.
7592
7593 2016-01-19  Jeff Law  <law@redhat.com>
7594
7595         PR middle-end/69347
7596         * tree-ssa-threadbackwards.c
7597         (fsm_find_control_statement_thread_paths): Do not try to lookup
7598         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
7599
7600 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
7601
7602         * doc/lto.texi: Remove text that says only Gold has linker plugin
7603         support.
7604
7605 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
7606
7607         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
7608         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
7609         the DIE accordingly.
7610         (modified_type_die): Add REVERSE parameter and pass it recursively,
7611         as well as to base_type_die.  Adjust presence check accordingly.
7612         (base_type_for_mode): Adjust call to modified_type_die.
7613         (add_type_attribute): Add REVERSE parameter and pass it to
7614         modified_type_die.
7615         (generic_parameter_die): Adjust call to add_type_attribute.
7616         (add_scalar_info): Likewise.
7617         (add_subscript_info): Likewise.
7618         (gen_array_type_die): Likewise.
7619         (gen_descr_array_type_die): Likewise.
7620         (gen_entry_point_die): Likewise.
7621         (gen_enumeration_type_die): Likewise.
7622         (gen_formal_parameter_die): Likewise.
7623         (gen_subprogram_die): Likewise.
7624         (gen_variable_die ): Likewise.
7625         (gen_const_die): Likewise.
7626         (gen_field_die): Likewise.
7627         (gen_pointer_type_die): Likewise.
7628         (gen_reference_type_die): Likewise.
7629         (gen_ptr_to_mbr_type_die): Likewise.
7630         (gen_inheritance_die): Likewise.
7631         (gen_subroutine_type_die): Likewise.
7632         (gen_typedef_die): Likewise.
7633         (force_type_die): Adjust call to modified_type_die.
7634
7635 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7636
7637         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
7638         flow throughout the file.  Fix broken link to Objective-C 2.0
7639         documentation.
7640         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
7641         errors.
7642
7643 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7644
7645         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
7646
7647 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7648
7649         PR ipa/66223
7650         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
7651         (maybe_record_node): Record cxa_pure_virtual as the only possible
7652         target if there are not ohter candidates.
7653         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
7654
7655 2016-01-19  Richard Biener  <rguenther@suse.de>
7656
7657         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
7658         (get_memory_order): Likewise.
7659
7660 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
7661
7662         * tree-vect-stmts.c (vectorizable_store): Check
7663         rhs vectype.
7664
7665 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
7666
7667         PR jit/68446
7668         * gcc.c (driver::decode_argv): Add call to
7669         init_opts_obstack before init_options_struct.
7670         * opts.c (init_opts_obstack): Remove idempotency.
7671         (init_options_struct): Replace call to init_opts_obstack
7672         with a gcc_assert to verify that it has already been called.
7673         * toplev.c (toplev::main): Add call to init_opts_obstack before
7674         calls to init_options_struct.
7675         (toplev::finalize): Move cleanup of opts_obstack next to
7676         cleanup of save_decoded_options, clearing the latter, and
7677         save_decoded_options_count.
7678
7679 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7680
7681         PR target/69135
7682         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
7683         attribute to unconditional.  Remove %? from output template.
7684
7685 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7686             Jiong Wang  <jiong.wang@arm.com>
7687
7688         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
7689         generated from different expand order.
7690
7691 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7692
7693         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7694         Add support for CCMP costing.
7695
7696 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7697
7698         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
7699         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
7700         (fccmpe<mode>): Likewise.
7701         (fcmp): Rename to fcmp and globalize pattern.
7702         (fcmpe): Likewise.
7703         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
7704         (aarch64_gen_ccmp_next): Add FP support.
7705
7706 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7707
7708         * target.def (gen_ccmp_first): Update documentation.
7709         (gen_ccmp_next): Likewise.
7710         * doc/tm.texi (gen_ccmp_first): Update documentation.
7711         (gen_ccmp_next): Likewise.
7712         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
7713         expand_ccmp_expr_1.  Improve comments.
7714         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
7715         (ccmp_ior<mode>): Remove pattern.
7716         (cmp<mode>): Remove expand.
7717         (cmp): Globalize pattern.
7718         (cstorecc4): Use cc_register.
7719         (mov<mode>cc): Remove ccmp_cc_register check.
7720         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
7721         Simplify after removal of CC_DNE/* modes.
7722         (aarch64_ccmp_mode_to_code): Remove.
7723         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
7724         In 'k' case use integer as condition.
7725         (aarch64_nzcv_codes): Remove inverted cases.
7726         (aarch64_code_to_ccmode): Remove.
7727         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
7728         comparison with CC register to be used in folowing CCMP/branch/CSEL.
7729         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
7730         pattern.  Return the comparison with CC register.  Invert conditions
7731         when bitcode is OR.
7732         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
7733         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
7734
7735 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7736
7737         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
7738         instrumented_version.
7739
7740 2016-01-19  Richard Biener  <rguenther@suse.de>
7741
7742         PR tree-optimization/69336
7743         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
7744         handled components with get_ref_base_and_extent.
7745         (equal_mem_array_ref_p): Adjust.
7746
7747 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
7748
7749         PR debug/65779
7750         * shrink-wrap.c: Include valtrack.h.
7751         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
7752         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
7753         in between insn and where it will be moved to.  Call
7754         dead_debug_insert_temp.
7755         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
7756         first and dead_debug_local_finish at the end.
7757         For uses and defs bitmap, handle all regs in between REGNO and
7758         END_REGNO, not just the first one.
7759
7760 2016-01-19  Richard Biener  <rguenther@suse.de>
7761
7762         PR tree-optimization/69352
7763         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
7764         (equal_mem_array_ref_p): Constrain size and max size properly.
7765         Compare the reverse flag.
7766
7767 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
7768
7769         * ira.c (ira): Update regstat data if we deleted insns.
7770
7771 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
7772
7773         PR rtl-optimization/68955
7774         PR rtl-optimization/64557
7775         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
7776         here.  Fix up formatting.
7777         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
7778
7779 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7780
7781         PR lto/69133
7782         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
7783         assume that the node has body.
7784         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
7785         check.
7786
7787 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7788
7789         * lto-streamer-out.c (lto_output): Do not stream instrumentation
7790         thunks.
7791
7792 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7793
7794         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
7795         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
7796
7797 2016-01-19  Martin Jambor  <mjambor@suse.cz>
7798             Martin Liska  <mliska@suse.cz>
7799             Michael Matz  <matz@suse.de>
7800
7801         * Makefile.in (OBJS): Add new source files.
7802         (GTFILES): Add hsa.c.
7803         * common.opt (disable_hsa): New variable.
7804         (-Whsa): New warning.
7805         * config.in (ENABLE_HSA): New.
7806         * configure.ac: Treat hsa differently from other accelerators.
7807         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
7808         $enable_offloading.
7809         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
7810         * doc/install.texi (Configuration): Document --with-hsa-runtime,
7811         --with-hsa-runtime-include, --with-hsa-runtime-lib and
7812         --with-hsa-kmt-lib.
7813         * doc/invoke.texi (-Whsa): Document.
7814         (hsa-gen-debug-stores): Likewise.
7815         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
7816         to invoke offload compiler for hsa acclerator.
7817         * opts.c (common_handle_option): Determine whether HSA offloading
7818         should be performed.
7819         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
7820         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
7821         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
7822         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
7823         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
7824         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
7825         GF_OMP_FOR_KIND_GRID_LOOP.
7826         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
7827         (pp_gimple_stmt_1): Likewise.
7828         * gimple-walk.c (walk_gimple_stmt): Likewise.
7829         * gimple.c (gimple_build_omp_grid_body): New function.
7830         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
7831         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
7832         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
7833         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
7834         GF_OMP_TEAMS_GRID_PHONY.
7835         (gimple_statement_omp_single_layout): Updated comments.
7836         (gimple_build_omp_grid_body): New function.
7837         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
7838         (gimple_omp_for_grid_phony): New function.
7839         (gimple_omp_for_set_grid_phony): Likewise.
7840         (gimple_omp_parallel_grid_phony): Likewise.
7841         (gimple_omp_parallel_set_grid_phony): Likewise.
7842         (gimple_omp_teams_grid_phony): Likewise.
7843         (gimple_omp_teams_set_grid_phony): Likewise.
7844         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
7845         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
7846         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
7847         (BUILT_IN_GOMP_TARGET): Updated type.
7848         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
7849         (adjust_for_condition): New function.
7850         (get_omp_for_step_from_incr): Likewise.
7851         (extract_omp_for_data): Moved parts to adjust_for_condition and
7852         get_omp_for_step_from_incr.
7853         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
7854         (fixup_child_record_type): Bail out if receiver_decl is NULL.
7855         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
7856         (scan_omp_parallel): Do not create child functions for phony
7857         constructs.
7858         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
7859         (scan_omp_1_op): Checking assert we are not remapping to
7860         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
7861         (parallel_needs_hsa_kernel_p): New function.
7862         (expand_parallel_call): Register apprpriate parallel child
7863         functions as HSA kernels.
7864         (grid_launch_attributes_trees): New type.
7865         (grid_attr_trees): New variable.
7866         (grid_create_kernel_launch_attr_types): New function.
7867         (grid_insert_store_range_dim): Likewise.
7868         (grid_get_kernel_launch_attributes): Likewise.
7869         (get_target_argument_identifier_1): Likewise.
7870         (get_target_argument_identifier): Likewise.
7871         (get_target_argument_value): Likewise.
7872         (push_target_argument_according_to_value): Likewise.
7873         (get_target_arguments): Likewise.
7874         (expand_omp_target): Call get_target_arguments instead of looking
7875         up for teams and thread limit.
7876         (grid_expand_omp_for_loop): New function.
7877         (grid_arg_decl_map): New type.
7878         (grid_remap_kernel_arg_accesses): New function.
7879         (grid_expand_target_kernel_body): New function.
7880         (expand_omp): Call it.
7881         (lower_omp_for): Do not emit phony constructs.
7882         (lower_omp_taskreg): Do not emit phony constructs but create for them
7883         a temporary variable receiver_decl.
7884         (lower_omp_taskreg): Do not emit phony constructs.
7885         (lower_omp_teams): Likewise.
7886         (lower_omp_grid_body): New function.
7887         (lower_omp_1): Call it.
7888         (grid_reg_assignment_to_local_var_p): New function.
7889         (grid_seq_only_contains_local_assignments): Likewise.
7890         (grid_find_single_omp_among_assignments_1): Likewise.
7891         (grid_find_single_omp_among_assignments): Likewise.
7892         (grid_find_ungridifiable_statement): Likewise.
7893         (grid_target_follows_gridifiable_pattern): Likewise.
7894         (grid_remap_prebody_decls): Likewise.
7895         (grid_copy_leading_local_assignments): Likewise.
7896         (grid_process_kernel_body_copy): Likewise.
7897         (grid_attempt_target_gridification): Likewise.
7898         (grid_gridify_all_targets_stmt): Likewise.
7899         (grid_gridify_all_targets): Likewise.
7900         (execute_lower_omp): Call grid_gridify_all_targets.
7901         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
7902         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
7903         (tree_omp_clause): Added union field dimension.
7904         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
7905         * tree.c (omp_clause_num_ops): Added number of arguments of
7906         OMP_CLAUSE__GRIDDIM_.
7907         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
7908         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
7909         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
7910         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
7911         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
7912         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
7913         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
7914         * tree-pass.h (make_pass_gen_hsail): Declare.
7915         (make_pass_ipa_hsa): Likewise.
7916         * ipa-hsa.c: New file.
7917         * lto-section-in.c (lto_section_name): Add hsa section name.
7918         * lto-streamer.h (lto_section_type): Add hsa section.
7919         * timevar.def (TV_IPA_HSA): New.
7920         * hsa-brig-format.h: New file.
7921         * hsa-brig.c: New file.
7922         * hsa-dump.c: Likewise.
7923         * hsa-gen.c: Likewise.
7924         * hsa.c: Likewise.
7925         * hsa.h: Likewise.
7926         * toplev.c (compile_file): Call hsa_output_brig.
7927         * hsa-regalloc.c: New file.
7928
7929 2016-01-18  Jeff Law  <law@redhat.com>
7930
7931         PR tree-optimization/69320
7932         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
7933         ranged object, do nothing if the RHS constant is not [0..1].
7934         (optimize_stmt): Comparing a boolean ranged object against a
7935         constant outside [0..1] results in a compile-time constant.
7936
7937         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
7938         test.
7939
7940 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
7941
7942         * doc/invoke.texi (Invoking GCC): Add new section to menu.
7943         (Option Summary): Update to reflect new section and moved options.
7944         (C++ Dialect Options): Move -fstats to new section.
7945         (Debugging Options): Move all dump, statistics, and other GCC
7946         developer options to new section.  Rewrite section introduction
7947         and re-order remaining options to put the more basic ones first.
7948         (Optimization Options): Move -fira-verbose and -flto-report* to
7949         new section.
7950         (Developer Options): New section incorporating moved options.
7951         * doc/cppopts.texi (-dM): Update cross-reference.
7952
7953 2016-01-18  Richard Henderson  <rth@redhat.com>
7954
7955         PR target/69176
7956         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
7957         operands to pseudo only if CSE is expected.  Split long immediate
7958         operands only after reload, and for the stack pointer.
7959         (*add<GPI>3_pluslong): Remove.
7960         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
7961         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
7962         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
7963         (*add<GPI>3 peepholes): New.
7964         (*add<GPI>3 splitters): New.
7965         * config/aarch64/constraints.md (Upl): New.
7966         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
7967
7968 2016-01-18  Richard Biener  <rguenther@suse.de>
7969
7970         PR tree-optimization/69297
7971         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
7972         stmt at most once.
7973         (vect_bb_vectorization_profitable_p): Clear visited flag again.
7974
7975 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
7976
7977         PR middle-end/68542
7978         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
7979         of mixind vector and scalar types.
7980         (fold_relational_const): Add handling of vector
7981         comparison with boolean result.
7982         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
7983         comparison of vector operands with boolean result for EQ/NE only.
7984         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
7985         (verify_gimple_cond): Likewise.
7986         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
7987         valid type of VAL.
7988
7989 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
7990
7991         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
7992         !TARGET_OCTEON.
7993
7994 2016-01-18  Richard Biener  <rguenther@suse.de>
7995
7996         PR middle-end/69308
7997         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
7998
7999 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8000
8001         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8002
8003 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8004
8005         * omp-low.c (set_oacc_fn_attrib): Make extern.
8006         * omp-low.h (set_oacc_fn_attrib): Declare.
8007         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8008         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8009         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8010         Add and handle function parameter oacc_kernels_p.
8011         (find_reduc_addr, get_omp_data_i_param): New function.
8012         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8013         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8014         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8015         Calculate dominance info.  Skip loops that are not in a kernels region
8016         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
8017         (pass_parallelize_loops::execute): Call parallelize_loops with
8018         oacc_kernels_p argument.
8019         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8020         New member function.
8021         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8022         * passes.def: Add argument to pass_parallelize_loops instantation.
8023
8024 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8025
8026         * tree-parloops.c (pass_parallelize_loops::execute): Allow
8027         pass_parallelize_loops to be run outside the loop pipeline.
8028
8029 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8030
8031         * tree-scalar-evolution.c (follow_copies_to_constant): New.
8032         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8033
8034 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8035
8036         PR target/63679
8037         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8038         using get_ref_base_and_extent.
8039         (equal_mem_array_ref_p): New.
8040         (hashable_expr_equal_p): Add call to previous.
8041
8042 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8043
8044         PR target/63679
8045         * tree-sra.c (disqualified_constants, constant_decl_p): New.
8046         (sra_initialize): Allocate disqualified_constants.
8047         (sra_deinitialize): Free disqualified_constants.
8048         (disqualify_candidate): Update disqualified_constants when appropriate.
8049         (create_access): Scan for constant-pool entries as we go along.
8050         (scalarizable_type_p): Add check against type_contains_placeholder_p.
8051         (maybe_add_sra_candidate): Allow constant-pool entries.
8052         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8053         (initialize_constant_pool_replacements): New.
8054         (sra_modify_assign): Avoid mangling assignments created by previous,
8055         and don't generate writes into constant pool.
8056         (sra_modify_function_body): Call initialize_constant_pool_replacements.
8057
8058 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
8059
8060         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8061         andnot instruction.
8062         (scalar_chain::convert_op): Likewise.
8063         * config/i386/i386.md (*andndi3_doubleword): New.
8064
8065 2016-01-18  Richard Biener  <rguenther@suse.de>
8066
8067         PR tree-optimization/69170
8068         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8069         building a vector from scalar results of a pattern stmt.
8070
8071 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
8072
8073         * haifa-sched.c (autopref_multipass_init): Work around
8074         -Wmaybe-uninitialized warning.
8075
8076 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8077
8078         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8079         against the constant 0.
8080
8081 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8082
8083         PR tree-optimization/68799
8084         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8085         look up phi candidates in the statement-candidate map.
8086         (phi_add_costs): Likewise.
8087         (record_phi_increments): Likewise.
8088         (phi_incr_cost): Likewise.
8089         (ncd_with_phi): Likewise.
8090         (all_phi_incrs_profitable): Likewise.
8091
8092 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
8093
8094         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8095         -Wmaybe-uninitialized warning.
8096
8097 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
8098
8099         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8100         (Option Summary): Update to reflect new section and moved options.
8101         (C++ Dialect Options): Move -fvtable-verify and related options.
8102         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8103         and profiling-related options.
8104         (Optimization Options): Move profile generation options and
8105         -fstack-protector and related options.
8106         (Instrumentation Options): New section incorporating moved options.
8107         (Code Generation Options): Move -finstrument-functions and
8108         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8109
8110 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8111
8112         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8113
8114 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8115
8116         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
8117
8118 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
8119
8120         * hash-table.h (hash_table::empty): Turn into an inline wrapper
8121         that checks whether the table is already empty.  Rename the
8122         original implementation to...
8123         (hash_table::empty_slot): ...this new private function.
8124
8125 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
8126
8127         PR diagnostic/68899
8128         * diagnostic-show-locus.c (layout::print_source_line): Move x
8129         offset of line until after call to
8130         get_line_width_without_trailing_whitespace.
8131
8132 2016-01-15  Jeff Law  <law@redhat.com>
8133
8134         PR tree-optimization/69270
8135         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8136         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
8137         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8138         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8139         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8140         ssa_name_has_boolean_range and constant_boolean_node.
8141
8142 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
8143
8144         PR rtl-optimization/69030
8145         * lra-spills.c (remove_pseudos): Check nrefs and make the function
8146         returning bool.
8147         (spill_pseudos): Delete debug insn for dead pseudo.
8148         (lra_spill): Initiate spill_hard_reg and slots memory separately.
8149
8150 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
8151
8152         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8153         New.
8154         (TYPES_UNOPUS): Likewise.
8155         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8156         builtin type, from UNOP to UNOPUS.
8157         (lbtruncuv4sf): Likewise.
8158         (lbtruncuv2df): Likewise.
8159         (lrounduv2sf): Likewise.
8160         (lrounduv4sf): Likewise.
8161         (lrounduv2df): Likewise.
8162         (lroundusf): Likewise.
8163         (lroundusf): Likewise.
8164         (lceiluv2sf): Likewise.
8165         (lceiluv4sf): Likewise.
8166         (lceiluv2df): Likewise.
8167         (lceilusf): Likewise.
8168         (lceiludf): Likewise.
8169         (lflooruv2sf): Likewise.
8170         (lflooruv4sf): Likewise.
8171         (lflooruv2df): Likewise.
8172         (lfloorusf): Likewise.
8173         (lfloorudf): Likewise.
8174         (lfrintnuv2sf): Likewise.
8175         (lfrintnuv4sf): Likewise.
8176         (lfrintnuv2df): Likewise.
8177         (lfrintnusf): Likewise.
8178         (lfrintnudf): Likewise.
8179         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8180         conversion.
8181         (vcvtq_u32_f32): Likewise.
8182         (vcvtq_u64_f64): Likewise.
8183         (vcvta_u32_f32): Likewise.
8184         (vcvtaq_u32_f32): Likewise.
8185         (vcvtaq_u64_f64): Likewise.
8186         (vcvtm_u32_f32): Likewise.
8187         (vcvtmq_u32_f32): Likewise.
8188         (vcvtmq_u64_f64): Likewise.
8189         (vcvtn_u32_f32): Likwise.
8190         (vcvtnq_u32_f32): Likewise.
8191         (vcvtnq_u64_f64): Likewise.
8192         (vcvtp_u32_f32): Likewise.
8193         (vcvtpq_u32_f32): Likewise.
8194         (vcvtpq_u64_f64): Likewise.
8195         (vcvtmd_u64_f64): Likewise.
8196         (vcvtms_u32_f32): Likewise.
8197         (vcvtad_u64_f64): Likewise.
8198         (vcvtas_u32_f32): Likewise.
8199         (vcvtnd_u64_f64): Likewise.
8200         (vcvtns_u32_f32): Likewise.
8201         (vcvtpd_u64_f64): Likewise.
8202         (vcvtps_u32_f32): Likewise.
8203
8204 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8205
8206         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8207         CSEL of zero_extended registers.
8208
8209 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8210
8211         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8212         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8213
8214 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8215
8216         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8217         false when argument string is not found in the attributes table
8218         at all.
8219
8220 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
8221
8222         PR target/68609
8223         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8224         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8225         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8226         precision estimate.
8227
8228 2016-01-15  Richard Biener  <rguenther@suse.de>
8229
8230         PR tree-optimization/66856
8231         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8232         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8233         (vect_create_new_slp_node): Increment stmt reference count.
8234         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8235         an SLP tree before swapping operands.
8236         (vect_build_slp_tree): Likewise.
8237         (destroy_bb_vec_info): Free stmt info after SLP instances.
8238         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8239         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8240         (STMT_VINFO_NUM_SLP_USES): New macro.
8241
8242 2016-01-15  Richard Biener  <rguenther@suse.de>
8243
8244         PR debug/69137
8245         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8246         (add_linkage_name): ... here.
8247         (gen_typedef_die): Use add_linkage_name_raw instead of
8248         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8249         if necessary.
8250
8251 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
8252
8253         * gimplify.c (oacc_default_clause): Decode reference and pointer
8254         types for both kernels and parallel regions.
8255
8256 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8257
8258         PR middle-end/69246
8259         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8260
8261 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8262
8263         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8264         (convert_scalars_to_vector): Likewise.
8265
8266 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
8267
8268         * doc/extend.texi (Type Traits): Fix grammar.
8269
8270 2016-01-15  Martin Jambor  <mjambor@suse.cz>
8271
8272         * tree-inline.c (remap_decl): Use existing dclarations if
8273         remapping a type and prevent_decl_creation_for_types.
8274         (replace_locals_stmt): Do an initial remapping of non-VLA typed
8275         decls first.  Do real remapping with
8276         prevent_decl_creation_for_types set.
8277         * tree-inline.h (copy_body_data): New field
8278         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8279         padding.
8280
8281 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8282
8283         * config/s390/s390.opt (mmvcle): More verbose help text.
8284
8285 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8286
8287         * config/s390/s390.opt: Add period to -mzvector option text.
8288
8289 2016-01-15  Richard Biener  <rguenther@suse.de>
8290
8291         PR tree-optimization/68961
8292         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8293         of invariants in stores again.
8294
8295 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8296
8297         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8298
8299 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8300
8301         * config/i386/i386.c (ix86_expand_branch): Don't split
8302         DI mode xor instruction to SI mode.
8303
8304 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8305
8306         PR ipa/68148
8307         * ipa-icf.c (sem_function::merge): Virtual functions may become
8308         reachable even if they address is not taken and there are no
8309         idrect calls.
8310
8311 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8312
8313         * lto-streamer-out.c (subtract_estimated_size): New function.
8314         (get_symbol_initial_value): Use it.
8315
8316 2016-01-15  Christian Bruel  <christian.bruel@st.com>
8317
8318         PR target/65837
8319         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8320         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8321         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8322         use add_builtin_function_ext_scope instead of add_builtin_function.
8323         (neon_set_p, neon_crypto_set_p): Remove.
8324         (arm_init_builtins): Always call arm_init_neon_builtins and
8325         arm_init_crypto_builtins.
8326         (arm_expand_builtin): Check that builtins are allowed for the arch.
8327         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8328         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8329         arm_init_neon_builtins call.
8330
8331 2016-01-15  Richard Biener  <rguenther@suse.de>
8332
8333         PR tree-optimization/69117
8334         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8335         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8336         of the leader conservatively.
8337         (free_scc_vn): Restore original SSA name infos.
8338
8339 2016-01-14  Jeff Law  <law@redhat.com>
8340
8341         PR tree-optimization/69270
8342         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8343         single bit of precision, verify it's also unsigned.
8344         (record_edge_info): Use constant_boolean_node rather than fold_convert
8345         to convert boolean_true/boolean_false to the right type.
8346
8347 2016-01-14  Richard Henderson  <rth@redhat.com>
8348
8349         PR rtl-opt/69014
8350         * loop-doloop.c (record_reg_sets): New.
8351         (doloop_optimize): Reject the transform if the sequence
8352         clobbers registers live at the end of the loop block.
8353         (doloop_optimize_loops): Enable df_live if needed.
8354
8355 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8356
8357         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8358         * gcc/config/rs6000/rs6000.c: Likewise.
8359         * gcc/config/rs6000/rs6000.h: Likewise.
8360         * gcc/config/rs6000/rs6000.md: Likewise.
8361         * gcc/doc/extend.texi: Likewsie.
8362
8363 2016-01-14  Jeff Law  <law@redhat.com>
8364
8365         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8366         typo.
8367
8368 2016-01-14  Richard Henderson  <rth@redhat.com>
8369
8370         PR c/69272
8371         PR tree-opt/68964
8372         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8373         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8374         instead of builtin_decl_declared_p to test for declaration.
8375
8376 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
8377
8378         * doc/loop.texi (Loop Analysis and Representation): Document
8379         loop_depth function.
8380
8381 2016-01-14  Tom de Vries  <tom@codesourcery.com>
8382
8383         PR tree-optimization/68773
8384         * omp-low.c (expand_omp_target): Don't set force_output.
8385         * varpool.c (varpool_node::get_create): Same.
8386         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8387         offload_funcs with force_output.
8388
8389 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8390
8391         PR debug/69244
8392         * lra-eliminations.c (move_plus_up): Don't change anything if either
8393         the outer or inner subreg mode is not MODE_INT.
8394         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8395         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8396
8397 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8398
8399         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8400         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8401         reduc_uplus_@var{m}): Remove.
8402         * expr.c (expand_expr_real_2): Remove expansion path for
8403         reduc_[us](min|max|plus) optabs.
8404         * optabs-tree.c (scalar_reduc_to_vector): Remove.
8405         * optabs-tree.h (scalar_reduc_to_vector): Remove.
8406         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8407         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8408         * tree-vect-loop.c (vectorizable_reduction): Remove test for
8409         reduc_[us](min|max|plus) optabs.
8410
8411 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8412
8413         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8414         (reduc_plus_scal_v2sf): New.
8415         (reduc_smax_v2sf): Rename to...
8416         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8417         (reduc_smin_v2sf): Rename to...
8418         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8419
8420 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
8421
8422         * alias.c (compare_base_symbol_refs): New function.
8423         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8424         it.
8425
8426 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8427
8428         PR middle-end/68146
8429         PR tree-optimization/69155
8430         * tree-complex.c: Include cfganal.h.
8431         (phis_to_revisit): New variable.
8432         (extract_component): Add phiarg_p argument.  Assert that returned
8433         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
8434         (update_phi_components): Partly rewrite to use loop over real/imag
8435         components instead of code duplication.  If extract_component returns
8436         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
8437         create_tmp_reg into the PHI node instead, and mention the phi triplet
8438         in phis_to_revisit.
8439         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
8440         in phis_to_revisit at the end.
8441
8442 2016-01-14  Richard Biener  <rguenther@suse.de>
8443
8444         PR tree-optimization/68060
8445         * tree-vect-loop.c (vect_is_simple_reduction): Check the
8446         outer loop reduction is only used in the inner loop before
8447         detecting a double reduction.
8448
8449 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8450
8451         PR target/68269
8452         * combine.c (expand_field_assignment): Punt if compute_mode is
8453         unsupported scalar mode.
8454
8455 2016-01-14  Richard Biener  <rguenther@suse.de>
8456
8457         PR tree-optimization/66856
8458         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
8459         SLP node only if it built successfully.
8460         (vect_analyze_slp_instance): Adjust.
8461
8462 2016-01-14  Jeff Law  <law@redhat.com>
8463
8464         PR tree-optimization/69270
8465         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
8466         (record_edge_info): Use it.  Convert boolean_{true,false}_node
8467         to the type of op0.
8468
8469 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
8470
8471         PR ipa/66487
8472         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
8473         use block_ultimate_origin
8474         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
8475
8476 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
8477
8478         * doc/invoke.texi (Submodel Options): Rename section to
8479         "Machine-Dependent Options" to better reflect its content.
8480         Rewrite introductory text to remove archaic CPU names.
8481         Update references.
8482
8483 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
8484
8485         * doc/invoke.texi (Code Gen Options): Move section up in file,
8486         before target-specific options.  Update menu and option summary
8487         to reflect the new section ordering.
8488
8489 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
8490
8491         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
8492         (C++ Dialect Options): Add cross-reference to -std option.
8493         * doc/standards.texi (C++ Language): Document C++14 support.
8494
8495 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
8496
8497         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
8498         for pack/unpack functions for __ibm128.
8499         (PACK_IF): Likewise.
8500         (UNPACK_IF): Likewise.
8501
8502         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8503         support for __ibm128 pack/unpack functions.
8504         (rs6000_invalid_builtin): Likewise.
8505         (rs6000_init_builtins): Likewise.
8506         (rs6000_opt_masks): Likewise.
8507
8508         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
8509         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
8510         functions
8511         (RS6000_BTM_COMMON): Likewise.
8512
8513         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
8514         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
8515         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
8516         128-bit floating point.  Add support for the double values to be
8517         in Altivec registers for TF/IF packing and unpacking, but restrict
8518         TD packing sub-fields to be FPR registers.  Don't allow overlapped
8519         register support for packing.  Allow pack inputs to be memory
8520         locations.  Don't build generator functions for unpack<mode>_dm
8521         and unpack<mode>_nodm.
8522         (unpack<mode>_dm): Likewise.
8523         (unpack<mode>_nodm): Likewise.
8524         (pack<mode>): Likewise.
8525
8526         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
8527         built-in functions to pack/unpack explicit __ibm128 values.
8528         (__builtin_unpack_ibm128): Likewise.
8529
8530         * doc/extend.texi (PowerPC Built-in Functions): Document
8531         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
8532
8533 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
8534
8535         PR c/66208
8536         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
8537         Add new arg loc and pass it down as context.
8538         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
8539         to the location to use for the warning.
8540         (check_function_arguments): New arg loc.  All callers changed.  Pass
8541         it to check_function_nonnull.
8542         * c-common.h (check_function_arguments): Adjust declaration.
8543
8544 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
8545
8546         PR tree-optimization/69156
8547         * gimple.c (validate_type): Removed.
8548         (gimple_builtin_call_types_compatible_p): Use
8549         useless_type_conversion_p instead of validate_type.
8550         * value-prof.c (gimple_stringop_fixed_value): Fold
8551         icall_size to correct type.
8552
8553 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
8554
8555         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
8556         effects.
8557
8558 2016-01-13  Richard Henderson  <rth@redhat.com>
8559
8560         PR tree-opt/68964
8561         * target.def (builtin_tm_load, builtin_tm_store): Remove.
8562         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
8563         (ix86_builtin_tm_store): Remove.
8564         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8565         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8566         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8567         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8568         * doc/tm.texi: Rebuild.
8569
8570         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
8571         (BUILT_IN_TM_MEMCPY_RTWN): New.
8572         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
8573         fallback from vector to integer helpers.
8574         (build_tm_load): Handle vector types directly, instead of
8575         via target hook.
8576         (build_tm_store): Likewise.
8577         (expand_assign_tm): Prepare for register types not handled by
8578         the above.  Copy them to memory and use memcpy.
8579         * tree.c (tm_define_builtin): New.
8580         (find_tm_vector_type): New.
8581         (build_tm_vector_builtins): New.
8582         (build_common_builtin_nodes): Call it.
8583
8584 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
8585
8586         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
8587         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
8588
8589 2016-01-13  Tom de Vries  <tom@codesourcery.com>
8590
8591         PR tree-optimization/69169
8592         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
8593         handled_struct_type param.
8594         (create_variable_info_for, intra_create_variable_infos): Call
8595         create_variable_info_for_1 with extra arg.
8596
8597 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
8598
8599         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
8600         and "armv8.1-a+crc" entries.
8601
8602 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
8603
8604         PR target/69228
8605         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
8606         Change first operand predicate from register_or_constm1_operand
8607         to register_operand.
8608         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
8609         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
8610         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
8611         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
8612         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
8613         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
8614         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
8615         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
8616         comparison with constm1_rtx from vec_prefetch_gen part.
8617
8618 2016-01-13  Richard Biener  <rguenther@suse.de>
8619
8620         PR tree-optimization/69013
8621         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
8622         Exchange assert for a test.
8623
8624 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8625
8626         PR target/69247
8627         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
8628
8629 2016-01-13  Richard Biener  <rguenther@suse.de>
8630
8631         PR tree-optimization/69242
8632         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
8633         assert with a check.
8634
8635 2016-01-13  Richard Biener  <rguenther@suse.de>
8636
8637         PR tree-optimization/69186
8638         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8639         Properly guard vect_update_misalignment_for_peel call.
8640
8641 2016-01-12  Jeff Law  <law@redhat.com>
8642
8643         PR tree-optimization/pr67755
8644         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
8645         "need_profile_correction".
8646         (thread_block_1): Initialize new field to false by default.  If we
8647         have multiple thread paths through a common joiner to different
8648         final targets, then set new field to true.
8649         (compute_path_counts): Only do count adjustment when it's really
8650         needed.
8651
8652 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8653
8654         * doc/invoke.texi (Spec Files): Move section down in file, past
8655         all command-line option descriptions.
8656
8657 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
8658
8659         PR middle-end/54809
8660         * doc/gty.texi: Remove documentation of mark_hook.
8661         * gengtype.c (struct write_types_data): Remove code to support
8662         mark_hook attribute.
8663         (walk_type): Likewise.
8664         (write_func_for_structure): Likewise.
8665
8666 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8667
8668         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
8669         Directory Options, and -specs= to Overall Options.
8670         (Overall Options): Adjust similarly.  Reorder to group related
8671         options together.  Make -specs= cross-reference the spec file details.
8672         (Directory Options): Adjust similarly.
8673
8674 2016-01-12  Jeff Law  <law@redhat.com>
8675
8676         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
8677
8678 2016-01-12  Olivier Hainque  <hainque@adacore.com>
8679
8680         * gcc.c (spec_undefvar_allowed): New global.
8681         (process_command): Set to true when running for --version or --help,
8682         alone or together.
8683         (getenv_spec_function): When the variable is not defined, use the
8684         variable name as the variable value if we're allowed not to issue
8685         a fatal error.
8686
8687 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
8688
8689         PR tree-optimization/68911
8690         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
8691         information computed for expression "init + nit * step".
8692
8693 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
8694
8695         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
8696         about name of GCC executable.  Remove deleted node from menu.
8697         (Directory Options) <-B>: Remove cross-reference to deleted node.
8698         (Target Options): Delete section.
8699
8700 2016-01-12  Christian Bruel  <christian.bruel@st.com>
8701
8702         PR target/69180
8703         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
8704         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
8705
8706 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
8707
8708         PR target/69198
8709         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
8710         aligned_mem is properly set for AVX512-VL floating point masked
8711         stores.
8712
8713         PR target/69175
8714         * ifcvt.c (cond_exec_process_if_block): When removing the last
8715         insn from then_bb, remove also any possible barriers that follow it.
8716
8717 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
8718
8719         PR target/68456
8720         PR target/69226
8721         * config/i386/iamcu.h (SIZE_TYPE): New macro.
8722         (PTRDIFF_TYPE): Likewise.
8723         (WCHAR_TYPE): Likewise.
8724         (WCHAR_TYPE_SIZE): Likewise.
8725         (STDINT_LONG32): Likewise.
8726
8727 2016-01-12  Richard Biener  <rguenther@suse.de>
8728
8729         PR tree-optimization/69053
8730         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
8731         convert initial value for cond reductions.
8732
8733 2016-01-12  Richard Biener  <rguenther@suse.de>
8734
8735         PR tree-optimization/69007
8736         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
8737         widen_sum after dot_prod and sad.
8738
8739 2016-01-12  Richard Biener  <rguenther@suse.de>
8740
8741         PR tree-optimization/69168
8742         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
8743         pattern stmt SLP type.
8744         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
8745         end up unused so cope with that case.
8746
8747 2016-01-12  Richard Biener  <rguenther@suse.de>
8748
8749         PR tree-optimization/69157
8750         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
8751         stmts def type only during analyze phase.
8752         (vectorizable_call): Likewise.
8753         (vectorizable_simd_clone_call): Likewise.
8754         (vectorizable_conversion): Likewise.
8755         (vectorizable_assignment): Likewise.
8756         (vectorizable_shift): Likewise.
8757         (vectorizable_operation): Likewise.
8758         (vectorizable_store): Likewise.
8759         (vectorizable_load): Likewise.
8760
8761 2016-01-12  Richard Biener  <rguenther@suse.de>
8762
8763         PR tree-optimization/69174
8764         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
8765         space.
8766         (vectorizable_load): Properly compute the number of loads needed
8767         for permuted strided SLP loads and do not spuriously assign
8768         to SLP_TREE_VEC_STMTS.
8769
8770 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
8771
8772         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
8773         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
8774         (MD_EXEC_PREFIX): Remove.
8775         (MD_STARTFILE_PREFIX) Removee.
8776         (FILE_NAME_ABSOLUTE_P): Remove.
8777         (CPP_SPEC): Do not read macros from sys/version.h.
8778         (LINK_COMMAND_SPEC): Remove.
8779         (LOCAL_INCLUDE_DIR): Remove.
8780         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
8781         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
8782         (POST_LINK_SPEC): Define to invoke stubify after linker
8783         (LIBSTDCXX): Remove define
8784         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
8785         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
8786         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
8787         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
8788         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
8789         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
8790         (i386_djgpp_asm_named_section): Add propotype of new procedure
8791
8792         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
8793         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
8794         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
8795         in config/i386/djgpp.h).
8796         (STANDARD_STARTFILE_PREFIX_2): Define identical to
8797         STANDARD_STARTFILE_PREFIX_1.
8798         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
8799         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
8800         installation errors.
8801         (MAX_OFILE_ALIGNMENT): Define to 128.
8802         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
8803
8804         * config/i386/djgpp.c: New file. Add implementation of
8805         i386_djgpp_asm_named_section.
8806
8807         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
8808
8809         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
8810         Add rule for building djgpp.o.
8811
8812 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8813
8814         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
8815         (rtx_is_swappable_p): Reductions are swappable.
8816         (insn_is_swappable_p): V2DF reductions are swappable.
8817
8818 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
8819
8820         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
8821         reloads for other unsupported memory operands.
8822
8823 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
8824             Jim Wilson  <jim.wilson@linaro.org>
8825
8826         PR target/69194
8827         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
8828         copy_to_mode_reg instead of force_reg.
8829
8830 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8831
8832         PR target/69225
8833         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
8834         TARGET_80387 is true.
8835
8836 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
8837
8838         PR target/69071
8839         * lra-eliminations.c (move_plus_up): Only move plus up
8840         if subreg of the constant can be simplified into constant
8841         and use the simplified subreg of the constant instead of
8842         the original constant.
8843
8844         * fold-const.c (fold_convertible_p): Don't return true
8845         for conversion of VECTOR_TYPE to same sized integral type.
8846         (fold_convert_loc): Fix up formatting.  Fold conversion of
8847         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
8848         instead of NOP_EXPR.
8849
8850         PR tree-optimization/69214
8851         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
8852         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
8853         Formatting fix.
8854
8855         PR tree-optimization/69207
8856         * tree-vect-slp.c (vect_get_constant_vectors): For
8857         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
8858         fold_convertible_p to vector_type's element type, and always
8859         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
8860
8861 2016-01-11  Richard Biener  <rguenther@suse.de>
8862
8863         PR tree-optimization/69173
8864         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
8865         fixup the cycle if all stmts are in a pattern.
8866
8867 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
8868
8869         PR middle-end/68999
8870         * alias.c (base_alias_check): Move check for addresses with
8871         alignment ANDs before the call for compare_base_decls.
8872         (memrefs_conflict_p): Return -1 for different decls
8873         that went through alignment adjustments.
8874
8875 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8876
8877         PR rtl-optimization/68796
8878         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
8879         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
8880         and QImode comparisons against zero with CC_NZmode.
8881         * config/aarch64/iterators.md (short_mask): New mode_attr.
8882
8883 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8884
8885         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
8886         (<avx512>_store<mode>_mask): Likewise.
8887
8888 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
8889             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8890
8891         PR rtl-optimization/68841
8892         * ifcvt.c (struct noce_if_info): Add orig_x field.
8893         (bbs_ok_for_cmove_arith): Add to_rename parameter.
8894         Don't record conflicts on to_rename if it's present.
8895         Allow memory destinations in sets.
8896         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
8897         blocks, passing orig_x to the checks.
8898         (noce_process_if_block): Set if_info->orig_x appropriately.
8899
8900 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8901
8902         PR tree-optimization/69069
8903         * tree-parloops.c (create_parallel_loop): Add missing phi args.
8904
8905 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
8906
8907         PR rtl-optimization/68920
8908         * config/i386/i386.c (ix86_option_override_internal): Restrict number
8909         of conditional moves for  RTL if-conversion to 1 for
8910         TARGET_ONE_IF_CONV_INSN.
8911         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
8912         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
8913         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
8914         parameter to restirct number of conditional moves for
8915         RTL if-conversion.
8916         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
8917         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
8918         conditionl moves.
8919
8920 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
8921
8922         PR bootstrap/69123
8923         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
8924         onepart vars.  Fix typo in comment.  Fix reversed condition in
8925         unshare test.
8926         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
8927
8928         PR bootstrap/69123
8929         * var-tracking.c (dump_onepart_variable_differences): New.
8930         (dataflow_set_different): If a detailed dump is requested,
8931         delay early returns and dump differences between onepart
8932         variables present before and after, and added variables.
8933
8934 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
8935
8936         PR target/69010
8937         * expr.c (expand_expr_real_1): For boolean vector constants
8938         with a scalar mode use const_scalar_mask_from_tree.
8939         (const_scalar_mask_from_tree): New.
8940         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
8941         assigned to a mask type to handle constants.
8942
8943 2016-01-11  Martin Jambor  <mjambor@suse.cz>
8944
8945         PR ipa/69044
8946         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
8947         useless parameters if we cannot change function signature.
8948
8949 2016-01-11  Martin Jambor  <mjambor@suse.cz>
8950
8951         PR ipa/66616
8952         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
8953         flag.
8954
8955 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8956
8957         PR tree-optimization/69109
8958         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
8959         latch with phi.
8960
8961 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8962
8963         PR tree-optimization/69108
8964         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
8965         res is not used in a phi.
8966
8967 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
8968
8969         PR 67425
8970         * common.opt (frandom-seed): Fix parameter name.
8971         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
8972
8973 2016-01-11  Tom de Vries  <tom@codesourcery.com>
8974
8975         PR tree-optimization/69058
8976         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
8977         not supported.
8978
8979 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
8980
8981         * config/arc/arc.opt (mdiv-rem): Add period to the end.
8982         (mcode-density): Likewise.
8983
8984 2016-01-10  Tom de Vries  <tom@codesourcery.com>
8985
8986         PR tree-optimization/69062
8987         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
8988         (parallelize_loops): Don't paralelize loop that has phi with address
8989         arg.
8990
8991 2016-01-10  Tom de Vries  <tom@codesourcery.com>
8992
8993         PR tree-optimization/69039
8994         * tree-parloops.c (try_create_reduction_list): Only allow single exit
8995         phi for reduction.
8996
8997 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
8998
8999         PR middle-end/68743
9000         * match.pd: Require target has function_c99_misc before doing
9001         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9002
9003 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
9004
9005         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9006         use GMPINC.
9007         * configure: Regenerate.
9008
9009 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
9010
9011         PR middle-end/50865
9012         PR tree-optimization/69097
9013         * fold-const.h (expr_not_equal_to): New prototype.
9014         * fold-const.c: Include stringpool.h and tree-ssanames.h.
9015         (expr_not_equal_to): New function.
9016         * match.pd (X % -Y is the same as X % Y): Don't optimize
9017         unless X is known not to be equal to minimum or Y is known
9018         not to be equal to -1.
9019         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9020         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9021         (simplify_stmt_using_ranges): Adjust caller.
9022         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9023         substitute_and_fold.
9024
9025 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
9026
9027         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9028         w/o DECL_NAME.
9029
9030 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9031
9032         PR tree-optimization/69167
9033         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9034         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9035         ops[0] comparison.
9036         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9037
9038 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9039             Richard Biener  <rguenther@suse.de>
9040
9041         PR tree-optimization/68707
9042         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9043         instances that can be handled via vect_load_lanes.
9044
9045 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
9046
9047         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9048         if we can't determine address equivalence.
9049         * alias.c (compare_base_decl): Update for changed return value of
9050         symtab_node::equal_address_to.
9051
9052 2016-01-08  Jason Merrill  <jason@redhat.com>
9053
9054         PR c++/68983
9055         PR c++/67557
9056         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9057         * expr.c (store_field): Not here.
9058         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9059         call with TREE_ADDRESSABLE type.
9060         * tree-cfg.c (verify_gimple_call): Adjust.
9061
9062 2016-01-08  Olivier Hainque  <hainque@adacore.com>
9063
9064         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9065         libc_internal.
9066
9067 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9068
9069         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9070         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9071         (reduc_smin_v2sf): Rename to...
9072         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9073         (reduc_splus_v2sf): Rename to...
9074         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9075
9076 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9077
9078         PR tree-optimization/69162
9079         * gimplify.c (gimplify_va_arg_expr): Encode original type of
9080         valist argument in another argument.
9081         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
9082         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9083         to determine the va_list type, build a MEM_REF instead of
9084         build_fold_indirect_ref.
9085
9086         PR tree-optimization/69172
9087         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9088         gimple_build.
9089
9090 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9091
9092         PR tree-optimization/67781
9093         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9094         and cmpnop in two steps: first the ones not accessed in original
9095         gimple expression in a endian independent way and then the ones not
9096         accessed in the final result in an endian-specific way.
9097
9098 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9099
9100         PR tree-optimization/69083
9101         * tree-vect-slp.c (vect_get_constant_vectors): For
9102         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9103         element type.  If op is fold_convertible_p to vector_type's element
9104         type, use NOP_EXPR instead of VCE.
9105
9106 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
9107
9108         PR rtl-optimization/67778
9109         PR rtl-optimization/68634
9110         PR rtl-optimization/68909
9111         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
9112         block from the stack until done with it.  Remove a superfluous
9113         bitmap set.  Remove a superfluous bitmap test.
9114
9115 2016-01-07  Martin Sebor  <msebor@redhat.com>
9116
9117         PR c/68966
9118         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9119         constraint on the type of arguments.
9120
9121 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
9122
9123         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9124         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9125         unaligned_access on the gcc_options set.
9126         * config/arm/arm.c (arm_option_override_internal): Use
9127         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9128
9129 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9130
9131         PR target/69140
9132         * config/i386/i386.c (ix86_frame_pointer_required): Enable
9133         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9134
9135 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9136
9137         Revert
9138         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9139
9140         PR target/69140
9141         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9142         depending on frame_pointer_needed before remaining integer and SSE
9143         registers are saved.
9144
9145 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9146
9147         PR 1078
9148         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9149
9150 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9151
9152         PR target/69171
9153         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9154         Use the "xBm" constraint.
9155         (float<sseintvecmodelower><mode>2<mask_name><round_name):
9156         Likewise.
9157         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9158         (sse_cvtsi2ssq<round_name>): Likewise.
9159         (sse_cvtss2si<round_name>): Likewise.
9160         (sse_cvtss2siq<round_name>): Likewise.
9161         (sse2_cvtsi2sdq<round_name>): Likewise.
9162         (sse2_cvtsd2si<round_name>): Likewise.
9163         (sse2_cvtsd2siq<round_name>): Likewise.
9164         * config/i386/subst.md (round_nimm_scalar_predicate): New
9165         predicate.
9166
9167 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
9168
9169         PR middle-end/67639
9170         * varasm.c (make_decl_rtl): Mark invalid register vars as
9171         DECL_EXTERNAL.
9172
9173         PR rtl-optimization/66206
9174         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9175         All callers changed.
9176
9177 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
9178
9179         PR tree-optimization/69141
9180         * tree-ssa-pre.c: Include langhooks.h.
9181         (eliminate_dom_walker::before_dom_children): Use
9182         lang_hooks.decl_printable_name instead of
9183         cgraph_node::get ()->name ().
9184
9185         PR middle-end/68960
9186         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9187         it and DECL_ALIGN too.
9188
9189 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
9190
9191         * config/mips/mips-ftypes.def: Sort to lexicographical order.
9192
9193 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9194
9195         PR target/69140
9196         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9197         depending on frame_pointer_needed before remaining integer and SSE
9198         registers are saved.
9199
9200 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9201
9202         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9203         mode iterator with VSX_M2.
9204         (*p9_vecstore_<mode>): Likewise.
9205         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9206         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9207         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9208         (define_split for VSX_LE128 stores): Likewise.
9209         (define_peephole2 for TImode LE swaps): Likewise.
9210         (define_split for VSX_LE128 post-reload stores): Likewise.
9211
9212 2016-01-06  Marek Polacek  <polacek@redhat.com>
9213
9214         PR sanitizer/69099
9215         * convert.c (convert_to_integer_1): Adjust call to
9216         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
9217         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
9218         EXPR instead of ARG.
9219         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9220
9221 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9222
9223         PR 1078
9224         * doc/extend.texi (RL78 Variable Attributes): New section.
9225
9226 2016-01-05  Marek Polacek  <polacek@redhat.com>
9227
9228         PR c/69104
9229         * builtins.c (get_memmodel): Use expansion point location rather than
9230         the input location.  Call warning_at rather than warning.
9231         (expand_builtin_atomic_compare_exchange): Likewise.
9232         (expand_builtin_atomic_load): Likewise.
9233         (expand_builtin_atomic_store): Likewise.
9234         (expand_builtin_atomic_clear): Likewise.
9235
9236 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9237
9238         PR target/68991
9239         * config/i386/i386.c (ix86_expand_vector_logical_operator):
9240         Replace nonimmediate_operand with vector_operand.
9241         * config/i386/predicates.md (vector_operand): New predicate.
9242         (general_vector_operand): Replace nonimmediate_operand with
9243         vector_operand.
9244         * config/i386/sse.md: Replace nonimmediate_operand with
9245         vector_operand and m constraint with Bm constraint on SSE
9246         patterns with 16-byte memory operand.
9247         * config/i386/subst.md (round_nimm_predicate): Replace
9248         nonimmediate_operand with vector_operand.
9249         (round_saeonly_nimm_predicate): Likewise.
9250         (round_saeonly_nimm_scalar_predicate): New.
9251
9252 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9253
9254         PR target/68991
9255         * config/i386/constraints.md (Bm): New constraint.
9256         * config/i386/predicates.md (vector_memory_operand): New
9257         predicate.
9258         * config/i386/sse.md: Replace xm with xBm in plusminus and
9259         any_logic patterns.
9260
9261 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9262
9263         PR 1078
9264         * doc/extend.texi (V850 Function Attributes): New section.
9265         (V850 Variable Attributes): New section.
9266
9267 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9268
9269         PR 1078
9270         * doc/extend.texi (MicroBlaze Function Attributes): Document
9271         interrupt_handler and fast_interrupt attributes.
9272
9273 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
9274
9275         PR other/60465
9276         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9277         for local symbolic operands.
9278         * config/ia64/predicates.md (local_symbolic_operand64): New
9279         predicate.
9280
9281 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9282
9283         PR rtl-optimization/68651
9284         * combine.c (combine_simplify_rtx): Canonicalize x + x into
9285         x << 1.
9286
9287 2016-01-05  Nathan Sidwell  <nathan@acm.org>
9288
9289         * alias.c (compare_base_decls): Use symtab_node::get.
9290
9291 2016-01-05  Nick Clifton  <nickc@redhat.com>
9292
9293         PR target/68770
9294         * ira-costs.c (copy_cost): Initialise the t_icode field of the
9295         secondary_reload_info structure.
9296
9297         PR target/66655
9298         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9299         decls if weak support is available.
9300
9301 2016-01-04  Martin Sebor  <msebor@redhat.com>
9302
9303         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9304
9305 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9306
9307         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9308         OPTION_MASK_P9_DFORM.
9309
9310         * config/rs6000/constraints.md (wo constraint): New constraint for
9311         ISA 3.0 (power9).
9312
9313         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9314         for wo constraint.
9315         (rs6000_init_hard_regno_mode_ok): Likewise.
9316
9317         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9318         wo constraint.
9319
9320         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9321         expanders not to have constraints.  Add support for ISA 3.0 xxperm
9322         instruction.  Add support for fusing xxlor with xxperm.
9323         (altivec_vperm_<mode>_internal): Likewise.
9324         (altivec_vperm_v8hiv16qi): Likewise.
9325         (altivec_vperm_<mode>v16q): Likewise.
9326         (altivec_vperm_<mode>_uns): Likewise.
9327         (vperm_v8hiv4si): Likewise.
9328         (vperm_v16qiv8hi): Likewise.
9329
9330         * doc/md.texi (RS/6000 constraints): Document wo constraint.
9331
9332 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
9333
9334         Update copyright years.
9335
9336         * gcc.c (process_command): Update copyright notice dates.
9337         * gcov-dump.c (print_version): Ditto.
9338         * gcov.c (print_version): Ditto.
9339         * gcov-tool.c (print_version): Ditto.
9340         * gengtype.c (create_file): Ditto.
9341         * doc/cpp.texi: Bump @copying's copyright year.
9342         * doc/cppinternals.texi: Ditto.
9343         * doc/gcc.texi: Ditto.
9344         * doc/gccint.texi: Ditto.
9345         * doc/gcov.texi: Ditto.
9346         * doc/install.texi: Ditto.
9347         * doc/invoke.texi: Ditto.
9348
9349 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9350
9351         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9352         modes larger than TImode as TImode if NEON is not enabled.
9353
9354 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9355
9356         PR target/69100
9357         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9358         mode for %f0-%f31 only if TARGET_FPU.
9359
9360 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9361
9362         PR target/69072
9363         * config/sparc/sparc.c (scan_record_type): Take into account subfields
9364         to compute the PACKED_P predicate.
9365         (function_arg_record_value): Minor tweaks.
9366
9367 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9368
9369         * doc/install.texi (--with-multilib-list): Describe the meaning of the
9370         option for arm*-*-* targets.
9371
9372 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
9373
9374         * doc/extend.texi (Common Function Attributes): Move docs for
9375         MSP430-specific attributes to....
9376         (MSP430 Function Attributes): ...here.  Delete the redundant
9377         entries and copy-edit the remaining text.
9378         (MSP430 Variable Attributes): Use uniform format for index
9379         entries and add a cross-reference to the corresponding function
9380         attribute docs.
9381
9382 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
9383
9384         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9385         -finite-math typo.
9386         (x86 Options): Likewise.
9387
9388 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9389
9390         PR 1078
9391
9392         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9393         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9394         to corresponding attribute.
9395
9396 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9397
9398         * doc/extend.texi (Common Function Attributes) <noplt>: Move
9399         to correct alphabetization of table.  Copy-edit and correct
9400         markup.
9401         <stack_protect>: Likewise.
9402         <target_clones>: Likewise.
9403         <simd>: Likewise.
9404         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9405         Correct punctuation.
9406         (Code Gen Options) <-fno-plt>: Copy-edit.
9407
9408 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9409
9410         PR target/68917
9411         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9412         SI values.  Explicitly convert SI to DI and vice-versa.
9413
9414 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
9415
9416         PR tree-optimization/69070
9417         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9418         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9419
9420         PR sanitizer/69055
9421         * ubsan.c (ubsan_instrument_float_cast): Call
9422         initialize_sanitizer_builtins.
9423
9424         PR target/69015
9425         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
9426 \f
9427 Copyright (C) 2016 Free Software Foundation, Inc.
9428
9429 Copying and distribution of this file, with or without modification,
9430 are permitted in any medium without royalty provided the copyright
9431 notice and this notice are preserved.