gcc/ChangeLog

   1 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
   2
   3         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
   4
   5 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
   6
   7         * match.pd (X u< X, X u> X): New transformations.
   8
   9 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
  10
  11         * flag-types.h (enum warn_strict_overflow_code): Move ...
  12         * coretypes.h: ... here.
  13         * fold-const.h (fold_overflow_warning): Declare.
  14         * fold-const.c (fold_overflow_warning): Make non-static.
  15         (fold_comparison): Move the transformation of X +- C1 CMP C2
  16         into X CMP C2 -+ C1 ...
  17         * match.pd: ... here.
  18         * gimple-fold.c (fold_stmt_1): Protect with
  19         fold_defer_overflow_warnings.
  20
  21 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
  22
  23         * omp-low.c (struct oacc_loop): Add 'inner' field.
  24         (new_oacc_loop_raw): Initialize it to zero.
  25         (oacc_loop_fixed_partitions): Initialize it.
  26         (oacc_loop_auto_partitions): Partition outermost loop to outermost
  27         available partitioning.
  28
  29 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
  30
  31         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
  32         register_operand.
  33         (umulsidi3): Likewise.
  34         (indirect_jump): Fix jump instruction assembly patterns.
  35
  36 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
  37
  38         PR target/70860
  39         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
  40         (nvptx_function_value): Assert non-NULL cfun.
  41
  42 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
  43
  44         PR rtl-optimization/70886
  45         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
  46
  47         * cselib.h (rtx_equal_for_cselib_1): Declare.
  48         (rtx_equal_for_cselib_p: New inline function.
  49         * cselib.c (rtx_equal_for_cselib_p): Delete.
  50         (rtx_equal_for_cselib_1): Make public.
  51
  52 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
  53
  54         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
  55         (register_mixssei387nonimm_operand): Remove predicate.
  56         * config/i386/i386.md (*fop_<mode>_comm): Merge from
  57         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
  58         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
  59         for TARGET_MIX_SSE_I387 alternatives.
  60         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
  61         Disable unsupported alternatives using "enabled" attribute.  Use
  62         nonimm_ssenomem_operand as operand 1 predicate.  Also check
  63         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
  64         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
  65         (register_mixssei387nonimm_operand): Remove predicate.
  66
  67 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
  68
  69         * tree.c (cst_and_fits_in_hwi): Simplify.
  70
  71 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
  72
  73         * tree.h (wi::to_wide): New function.
  74         * expr.c (expand_expr_real_1): Use wi::to_wide.
  75         * fold-const.c (int_const_binop_1): Likewise.
  76         (extract_muldiv_1): Likewise.
  77
  78 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
  79
  80         * wide-int.h: Update offset_int and widest_int documentation.
  81         (WI_SIGNED_SHIFT_RESULT): New macro.
  82         (wi::binary_shift): Define signed_shift_result_type for
  83         shifts on offset_int- and widest_int-like types.
  84         (generic_wide_int): Support <<= and >>= if << and >> are supported.
  85         * tree.h (int_bit_position): Use shift operators instead of wi::
  86          shifts.
  87         * alias.c (adjust_offset_for_component_ref): Likewise.
  88         * expr.c (get_inner_reference): Likewise.
  89         * fold-const.c (fold_comparison): Likewise.
  90         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
  91         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
  92         * tree-dfa.c (get_ref_base_and_extent): Likewise.
  93         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
  94         (stmt_kills_ref_p): Likewise.
  95         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
  96         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
  97         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
  98         (ao_ref_init_from_vn_reference): Likewise.
  99
 100 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
 101
 102         * wide-int.h: Update offset_int and widest_int documentation.
 103         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
 104         (wi::binary_traits): Allow ordered comparisons between offset_int and
 105         offset_int, between widest_int and widest_int, and between either
 106         of these types and basic C types.
 107         (operator <, <=, >, >=): Define for the same combinations.
 108         * tree.h (tree_int_cst_lt): Use comparison operators instead
 109         of wi:: comparisons.
 110         (tree_int_cst_le): Likewise.
 111         * gimple-fold.c (fold_array_ctor_reference): Likewise.
 112         (fold_nonarray_ctor_reference): Likewise.
 113         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
 114         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
 115         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
 116         * tree-sra.c (completely_scalarize): Likewise.
 117         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
 118         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
 119         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
 120         (check_for_binary_op_overflow): Likewise.
 121         (search_for_addr_array): Likewise.
 122         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
 123
 124 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
 125
 126         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
 127         (arc_save_restore): Likewise.
 128         (arc_dwarf_register_span): Likewise.
 129         (arc_output_pic_addr_const): Initialize suffix variable.
 130
 131 2016-05-02  Martin Liska  <mliska@suse.cz>
 132
 133         * symbol-summary.h (function_summary::function_summary):
 134         Remove checking assert for all cgraph nodes.
 135         (function_summary::get): Check summary_uid.
 136         (symtab_insertion): Check summary_uid.
 137
 138 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
 139
 140         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
 141         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
 142         bmaskn instruction.
 143         (arc_dwarf_register_span): Remove enum keyword.
 144         (compact_memory_operand_p): New function.
 145         * config/arc/arc.h (reg_class): Add code density register classes.
 146         (REG_CLASS_NAMES): Likewise.
 147         (REG_CLASS_CONTENTS): Likewise.
 148         * config/arc/arc.md (*movqi_insn): Add code density instructions.
 149         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
 150         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
 151         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
 152         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
 153         constraints.
 154         (h, Rcd, Rsd, Rzd): New register constraints.
 155         (T): Use compact_memory_operand_p function.
 156         * config/arc/predicates.md (compact_load_memory_operand): Remove.
 157
 158 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
 159
 160         * config/sh/sh.md (*negnegt, *movtt): Remove.
 161
 162 2016-05-02  Marek Polacek  <polacek@redhat.com>
 163             Tom de Vries  <tom@codesourcery.com>
 164
 165         PR tree-optimization/70700
 166         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
 167         bigger than FIRST_REF_NODE.
 168
 169 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
 170
 171         PR target/52898
 172         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
 173         TARGET_CMPEQDI_T.
 174         (prepare_cbranch_operands): Don't use scratch register.  Assume that
 175         function is used when pseudos can be created.
 176         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
 177         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
 178         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
 179         define_expand.  Allow it only when pseudos can be created.
 180         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
 181
 182 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
 183
 184         * config/i386/constraints.md (BC): Only allow -1 operands.
 185         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
 186         Add "enabled" attribute.  Update XI mode attribute calculation.
 187         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
 188         (*movoi_internal_avx): Update XI mode attribute calculation.
 189         (*movti_internal): Ditto.
 190
 191 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
 192
 193         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
 194         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
 195
 196 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
 197
 198         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
 199         statement on instruction code.  Remove trailing spaces.
 200         (altivec_expand_stv_builtin): Likewise.
 201
 202 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
 203
 204         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
 205         (TARGET_FPU_DOUBLE): Simplify.
 206         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
 207         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
 208         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
 209         with 'TARGET_FPU_DOUBLE'.
 210         * config/sh/sh.md: Likewise.
 211
 212 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
 213
 214         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
 215         SH_DIV_STR_FOR_SIZE): Remove.
 216         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
 217         SH_DIV_STR_FOR_SIZE): Remove.
 218
 219 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
 220
 221         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
 222         logical_reg_operand): Delete.
 223         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
 224         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
 225         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
 226         match_operand and match_test.
 227         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
 228         variables on their first use.  Return bool values.
 229         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
 230         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
 231         arith_reg_operand for input operand.  Remove empty constraints.
 232         (xorsi3): Delete.
 233         (*xorsi3_compact): Rename to xorsi3.
 234         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
 235         (*zero_extend<mode>si2_disp_mem): Update comment.
 236         (mov_nop): Delete.
 237
 238 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
 239
 240         * config/sh/t-sh: Remove SH5 support.
 241         * config.gcc: Likewise.
 242         * configure: Likewise.
 243
 244 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 245
 246         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
 247
 248 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
 249
 250         * config/sh/sh.c (register_sh_passes, sh_option_override,
 251         sh_print_operand, prepare_move_operands,
 252         sh_can_follow_jump): Remove TARGET_SH1 checks.
 253         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
 254         PROMOTE_MODE): Likewise.
 255         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
 256         movdi): Likewise.
 257
 258 2016-04-30  Alan Modra  <amodra@gmail.com>
 259
 260         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
 261         restoring when fixed_reg_p, but allow out-of-line or stmw save.
 262         Check for user regs later to avoid unnecessary looping over regs.
 263         Merge user reg check with non-saved reg check.  Don't force
 264         inline VR restore when static chain used.
 265         (rs6000_frame_related): Omit eh_frame info for user regs when
 266         saving.
 267         (fixed_regs_p): Delete.
 268
 269 2016-04-30  Alan Modra  <amodra@gmail.com>
 270
 271         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
 272         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
 273         Update all uses.
 274
 275 2016-04-30  Alan Modra  <amodra@gmail.com>
 276
 277         PR target/69645
 278         * config/rs6000/rs6000.c (fixed_reg_p): New function.
 279         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
 280         Update all uses.
 281
 282 2016-04-30  Alan Modra  <amodra@gmail.com>
 283
 284         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
 285         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
 286         flag_pic test for Darwin.
 287
 288 2016-04-30  Alan Modra  <amodra@gmail.com>
 289
 290         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
 291         throw_calls_crossed.
 292         (REG_FREQ_CALLS_CROSSED): Delete.
 293         (REG_N_THROWING_CALLS_CROSSED): Delete.
 294         * regstat.c (regstat_bb_compute_ri): Don't calculate
 295         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
 296         (dump_reg_info): Don't print call cross frequency.
 297         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
 298         and REG_N_THROWING_CALLS_CROSSED.
 299
 300 2016-04-30  Alan Modra  <amodra@gmail.com>
 301
 302         * regs.h (struct reg_info_t): Delete live_length.
 303         (REG_LIVE_LENGTH): Delete macro.
 304         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
 305         local_live, local_processed and local_live_last_luid params.
 306         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
 307         Formatting fixes.
 308         (regstat_compute_ri): Adjust for above.  Don't set
 309         REG_LIVE_LENGTH.
 310         (dump_reg_info): Don't print live length.
 311         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
 312         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
 313         Localize loop_depth var.
 314
 315 2016-04-30  Alan Modra  <amodra@gmail.com>
 316
 317         * ira.c (enum valid_equiv): New.
 318         (validate_equiv_mem): Return enum.
 319         (update_equiv_mem): Create replacement in more cases.
 320         (add_store_equivs): Update validate_equiv_mem call.
 321
 322 2016-04-30  Alan Modra  <amodra@gmail.com>
 323
 324         * ira.c (combine_and_move_insns): Rather than scanning insns,
 325         use DF infrastucture to find use and def insns.
 326
 327 2016-04-30  Alan Modra  <amodra@gmail.com>
 328
 329         ira.c (combine_and_move_insns): Move invariant conditions..
 330         (ira.c): ..to here.  Call combine_and_move_insns before
 331         add_store_equivs.  Call grow_reg_equivs later.  Allocate
 332         req_equiv later using max_reg_num() rather than global max_regno.
 333         (contains_replace_regs): Delete.
 334         (add_store_equivs): Remove contains_replace_regs test.
 335
 336 2016-04-30  Alan Modra  <amodra@gmail.com>
 337
 338         * ira.c (struct equiv_mem_data): New.
 339         (equiv_mem, equiv_mem_modified): Delete static vars.
 340         (validate_equiv_mem_from_store): Use "data" param to communicate..
 341         (validate_equiv_mem): ..from here.
 342
 343 2016-04-30  Alan Modra  <amodra@gmail.com>
 344
 345         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
 346         split out from..
 347         (update_reg_equivs): ..here.  Move allocation and freeing of
 348         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
 349         end_alias_analysis to..
 350         (ira): ..here.
 351
 352 2016-04-30  Alan Modra  <amodra@gmail.com>
 353
 354         * ira.c (pdx_subregs): Delete.
 355         (struct equivalence): Add pdx_subregs field.
 356         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
 357         pdx_subregs access.
 358         (update_equiv_regs): Don't create or free pdx_subregs.  Update
 359         pdx_subregs access.
 360
 361 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 362
 363         * config/rs6000/altivec.h: Change definitions of vec_xl and
 364         vec_xst.
 365         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
 366         (LD_ELEMREV_V2DI): New.
 367         (LD_ELEMREV_V4SF): New.
 368         (LD_ELEMREV_V4SI): New.
 369         (LD_ELEMREV_V8HI): New.
 370         (LD_ELEMREV_V16QI): New.
 371         (ST_ELEMREV_V2DF): New.
 372         (ST_ELEMREV_V2DI): New.
 373         (ST_ELEMREV_V4SF): New.
 374         (ST_ELEMREV_V4SI): New.
 375         (ST_ELEMREV_V8HI): New.
 376         (ST_ELEMREV_V16QI): New.
 377         (XL): New.
 378         (XST): New.
 379         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 380         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
 381         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
 382         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
 383         (altivec_expand_builtin): Add handling for
 384         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
 385         (rs6000_invalid_builtin): Add error-checking for
 386         RS6000_BTM_P9_VECTOR.
 387         (altivec_init_builtins): Define builtins used to implement vec_xl
 388         and vec_xst.
 389         (rs6000_builtin_mask_names): Define power9-vector.
 390         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
 391         (RS6000_BTM_P9_VECTOR): Define.
 392         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
 393         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
 394         (vsx_ld_elemrev_v2df): Likewise.
 395         (vsx_ld_elemrev_v4sf): Likewise.
 396         (vsx_ld_elemrev_v4si): Likewise.
 397         (vsx_ld_elemrev_v8hi): Likewise.
 398         (vsx_ld_elemrev_v16qi): Likewise.
 399         (vsx_st_elemrev_v2df): Likewise.
 400         (vsx_st_elemrev_v2di): Likewise.
 401         (vsx_st_elemrev_v4sf): Likewise.
 402         (vsx_st_elemrev_v4si): Likewise.
 403         (vsx_st_elemrev_v8hi): Likewise.
 404         (vsx_st_elemrev_v16qi): Likewise.
 405         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
 406         grammar.
 407
 408 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
 409
 410         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
 411         out into ...
 412         (simplify_control_stmt_condition_1): ... here.  Recurse into
 413         BIT_AND_EXPRs and BIT_IOR_EXPRs.
 414
 415 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
 416
 417         PR target/69810
 418         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
 419         (zero_extendqi<mode>2_dot): Revert earlier conversion from
 420         define_insn_and_split to define_insn.
 421         (zero_extendqi<mode>2_dot2): Same.
 422         (extendqi<mode>2_dot): Same.
 423         (extendqi<mode>2_dot2): Same.
 424
 425 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
 426
 427         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
 428         (probe_stack): New expander.
 429         (probe_stack_<mode>): New insn pattern.
 430
 431 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
 432
 433         * config/i386/i386.md
 434         (operations with memory inputs setting flags peephole2):
 435         Remove uneeded REG_P checks.  Cleanup pattern generation.
 436
 437 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
 438
 439         * tree-vect-loop.c (vect_transform_loop): Fix
 440         nb_iterations_upper_bound computation for vectorized loop.
 441
 442 2016-04-29  Marek Polacek  <polacek@redhat.com>
 443             Jakub Jelinek  <jakub@redhat.com>
 444
 445         PR sanitizer/70342
 446         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
 447         TARGET_EXPR_SLOT as a base.
 448
 449 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
 450
 451         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
 452         with 'rCm2' constraints to limit possible immediate size.
 453         (*load_zeroextendqisi_update): Likewise.
 454         (*load_signextendqisi_update): Likewise.
 455         (*loadhi_update): Likewise.
 456         (*load_zeroextendhisi_update): Likewise.
 457         (*load_signextendhisi_update): Likewise.
 458         (*loadsi_update): Likewise.
 459         (*loadsf_update): Likewise.
 460
 461 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
 462
 463         * config/i386/predicates.md (constm1_operand): Fix comparison.
 464
 465 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
 466
 467         * testsuite/gcc.target/arc/ieee_eq.c: New test.
 468
 469 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
 470
 471         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
 472         remaining SH5 related settings.
 473         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
 474         shmedia_prepare_call_address): Delete.
 475         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
 476         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
 477         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
 478         UNSUPPORTED_SH2A): Remove m5 checks.
 479         (sh_divide_strategy_e): Remove SH5 division strategies.
 480         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
 481         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
 482
 483 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
 484
 485         * config/s390/s390.c (s390_rtx_costs): Update documentation.
 486
 487 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 488
 489         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
 490         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
 491         Change lder to ldr.
 492         * config/s390/vector.md ("mov<mode>"): Likewise.
 493
 494 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
 495
 496         * config/s390/constraints.md ("U", "W"): Invoke
 497         s390_mem_constraint with "ZR" and "ZT".
 498         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
 499         addresses when using LRA.  Accept also short displacements for S
 500         and T constraints.  Do not check for long displacement target for
 501         S and T constraints.
 502         (s390_mem_constraint): Remove handling of U and W constraints.
 503         * config/s390/s390.md (various patterns): Remove the short
 504         displacement constraints (Q and R) if a long displacement
 505         constraint is present.  Add longdisp as required CPU capability.
 506         * config/s390/vector.md: Likewise.
 507         * config/s390/vx-builtins.md: Likewise.
 508
 509 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 510
 511         PR target/60040
 512         * reload1.c (reload): Call finish_spills before
 513         restarting reload loop. Skip select_reload_regs
 514         if update_eliminables_and_spill returns true.
 515
 516 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
 517
 518         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
 519         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
 520         (umulhisi3_imm): Update predicates and constraint letters.
 521         (umulhisi3_reg): Declare instruction as commutative.
 522         * config/arc/constraints.md (J12, J16): New constraints.
 523         * config/arc/predicates.md (short_unsigned_const_operand): New
 524         predicate.
 525         (arc_short_operand): Likewise.
 526         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
 527
 528 2016-04-29  Richard Biener  <rguenther@suse.de>
 529
 530         PR tree-optimization/13962
 531         PR tree-optimization/65686
 532         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
 533         * tree-ssa-alias.c (ptrs_compare_unequal): New function
 534         using PTA to compare pointers.
 535         * match.pd: Add pattern for pointer equality compare simplification
 536         using ptrs_compare_unequal.
 537
 538 2016-04-29  Richard Biener  <rguenther@suse.de>
 539
 540         * stor-layout.c (layout_type): Do not build a pointer-to-element
 541         type for arrays.
 542
 543 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
 544
 545         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
 546         Use SWI mode iterator.  Use general_reg_operand predicate.
 547         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
 548         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
 549         predicates.
 550
 551 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
 552
 553         PR middle-end/70843
 554         * fold-const.c (operand_equal_p): Don't verify hash value equality
 555         if arg0 == arg1.
 556         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
 557         and OMP_CLAUSE.
 558
 559 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
 560
 561         PR target/70858
 562         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
 563         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
 564         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
 565         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
 566         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
 567
 568 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 569
 570         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
 571         to info.  Don't initialize separate fields to 0.  Clean up
 572         formatting a bit.
 573
 574 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 575
 576         * config/i386/i386.md (peephole2s for operations with memory inputs):
 577         Use SWI mode iterator.
 578         (peephole2s for operations with memory outputs): Ditto.
 579         Do not check for stack checking probe.
 580
 581         (probe_stack): Remove expander.
 582
 583 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 584             Andrew Burgess  <andrew.burgess@embecosm.com>
 585
 586         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
 587         operands as 32-bits.
 588
 589 2016-04-28  Jason Merrill  <jason@redhat.com>
 590
 591         * gdbinit.in: Skip line-map.h.
 592
 593 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 594             Andrew Burgess  <andrew.burgess@embecosm.com>
 595
 596         * config/arc/arc.c (arc_conditional_register_usage): Take
 597         TARGET_RRQ_CLASS into account.
 598         (arc_print_operand): Support printing 'p' and 's' operands.
 599         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
 600         as 0.
 601         (TARGET_RRQ_CLASS): Define.
 602         (IS_POWEROF2_OR_0_P): Define.
 603         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
 604         alternatives.
 605         (*tst_movb): New define_insn.
 606         (*tst): Avoid recognition if it could prevent '*tst_movb'
 607         combination; replace c/CnL with c/Chs alternative.
 608         (*tst_bitfield_tst): New define_insn.
 609         (*tst_bitfield_asr): New define_insn.
 610         (*tst_bitfield): New define_insn.
 611         (andsi3_i): Add Rrq variant.
 612         (extzv): New define_expand.
 613         (insv): New define_expand.
 614         (*insv_i): New define_insn.
 615         (*movb): New define_insn.
 616         (*movb_signed): New define_insn.
 617         (*movb_high): New define_insn.
 618         (*movb_high_signed): New define_insn.
 619         (*movb_high_signed + 1): New define_split pattern.
 620         (*mrgb): New define_insn.
 621         (*mrgb + 1): New define_peephole2 pattern.
 622         (*mrgb + 2): New define_peephole2 pattern.
 623         * config/arc/arc.opt (mbitops): New option for nps400, uses
 624         TARGET_NPS_BITOPS_DEFAULT.
 625         * config/arc/constraints.md (q): Make register class conditional.
 626         (Rrq): New register constraint.
 627         (Chs): New constraint.
 628         (Clo): New constraint.
 629         (Chi): New constraint.
 630         (Cbf): New constraint.
 631         (Cbn): New constraint.
 632         (C18): New constraint.
 633         (Cbi): New constraint.
 634
 635 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 636
 637         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
 638         dst->popcount.
 639         (bitmap_intersection_of_preds): Ditto.
 640         (bitmap_union_of_succs): Ditto.
 641         (bitmap_union_of_preds): Ditto.
 642         * sbitmap.c (do_popcount): Delete.
 643         (BITMAP_DEBUGGING): Delete.
 644         (sbitmap_verify_popcount): Delete.
 645         (sbitmap_alloc): Don't initialize the popcount field.
 646         (sbitmap_alloc_with_popcount): Delete.
 647         (sbitmap_resize): Don't resize the popcount array.
 648         (sbitmap_vector_alloc): Don't initialize the popcount field.
 649         (bitmap_copy): Don't copy the popcount array.
 650         (bitmap_clear): Don't clear the popcount array.
 651         (bitmap_clear): Delete the popcount array handling.
 652         (bitmap_ior_and_compl): Delete the popcount assert.
 653         (bitmap_not): Ditto.
 654         (bitmap_and_compl): Ditto.
 655         (bitmap_and): Delete the popcount array handling.
 656         (bitmap_xor): Ditto.
 657         (bitmap_ior): Ditto.
 658         (bitmap_or_and): Delete the popcount assert.
 659         (bitmap_and_or): Ditto.
 660         (popcount_table): Delete.
 661         (sbitmap_elt_popcount): Delete.
 662         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
 663         (bitmap_set_bit): Delete the popcount assert.
 664         (bitmap_clear_bit): Ditto.
 665         (sbitmap_free): Don't free the popcount array.
 666         (sbitmap_alloc_with_popcount): Delete declaration.
 667         (sbitmap_popcount): Ditto.
 668
 669 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 670             Andrew Burgess  <andrew.burgess@embecosm.com>
 671
 672         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
 673         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
 674         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
 675         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
 676         * config/arc/arc.opt (mcmem): New option.
 677         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
 678         supply length for r/m alternative.
 679         (*extendqisi2_ac): Likewise.
 680         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
 681         r/Uex alternative.
 682         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
 683         (movhi_insn): Likewise.
 684         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
 685         (*zero_extendqihi2_i): Add r/Ucm alternative.
 686         (*zero_extendqisi2_ac): Likewise.
 687         (*zero_extendhisi2_i): Likewise.
 688         * config/arc/constraints.md (Uex): New memory constraint.
 689         (Ucm): New define_constraint.
 690         * config/arc/predicates.md (long_immediate_loadstore_operand):
 691         Return 0 for MEM with cmem_address address.
 692         (cmem_address_0): New predicates.
 693         (cmem_address_1): Likewise.
 694         (cmem_address_2): Likewise.
 695         (cmem_address): Likewise.
 696
 697 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 698
 699         * config/rs6000/rs6000.c (machine_function): Rename
 700         insn_chain_scanned_p to spe_insn_chain_scanned_p.
 701         (rs6000_stack_info): Adjust.
 702
 703 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
 704             Andrew Burgess  <andrew.burgess@embecosm.com>
 705
 706         * config/arc/constraints.md (Usd): Convert to define_constraint.
 707         (Us<): Likewise.
 708         (Us>): Likewise.
 709
 710 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
 711
 712         PR target/70821
 713         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
 714         Add new peephole2 where the first insn is *mov<mode>_or instead of
 715         *mov<mode>_internal.
 716
 717 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
 718
 719         * tracer.c (bb_seen): Make static.
 720
 721 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
 722
 723         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
 724         support, setup defaults.
 725         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
 726         * config/arc/arc.c (arc_init): Add NPS400 support.
 727         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
 728         (TARGET_ARC700): NPS400 is also an ARC700.
 729         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
 730
 731 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
 732
 733         PR target/70668
 734         * config/nds32/nds32.md (casesi): Don't access the operands array
 735         out of bounds.
 736
 737 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 738
 739         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
 740         (or $-1,reg peephole2): Ditto.
 741         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
 742
 743 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
 744
 745         * doc/extend.texi (Common Function Attributes) [optimize]:
 746         Discourage use of the optimize attribute.
 747
 748 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
 749
 750         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
 751         special case builtin.
 752         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
 753         ALTIVEC_BUILTIN_VEC_ADDE.
 754         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
 755         support for ALTIVEC_BUILTIN_VEC_ADDE.
 756         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
 757         for __builtin_vec_adde.
 758
 759 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
 760
 761         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
 762         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
 763
 764 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 765
 766         PR testsuite/70595
 767         * doc/sourcebuild.texi (Effective-Target Keywords, Other
 768         attributes): Document cilkplus_runtime.
 769
 770 2016-04-28  Martin Jambor  <mjambor@suse.cz>
 771
 772         * tree-cfg.c (verify_expr): Verify that local declarations belong to
 773         this function.  Call verify_expr on MEM_REFs and bases of other
 774         handled_components.
 775
 776 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 777
 778         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
 779         for WORD_REGISTER_OPERATIONS to runtime check.
 780
 781 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 782
 783         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
 784
 785 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 786
 787         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
 788         big-endian compilation.
 789         * config/arc/arc.md (addf3): Likewise.
 790         (subdf3): Likewise.
 791         (muldf3): Likewise.
 792
 793 2016-04-28  Richard Biener  <rguenther@suse.de>
 794
 795         PR tree-optimization/70840
 796         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
 797         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
 798         Mark x * pow(x,c) -> pow(x,c+1) commutative.
 799         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
 800
 801 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 802
 803         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
 804         and explain why in a comment.
 805
 806 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 807
 808         * config/arc/arc.md (cpu_facility): Add fpx variant.
 809         (subdf3): Prohibit use reverse sub when assist operations option
 810         is enabled.
 811         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
 812         instructions only when FPX is enabled.
 813         * testsuite/gcc.target/arc/trsub.c: New test.
 814
 815 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 816
 817         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
 818         mult_operator when calculating "type" attribute.
 819         (*fop_<mode>_1_i387): Ditto.
 820         (*fop_xf_1_i387): Ditto.
 821         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
 822         Use std::swap to swap operands.  Use RTL expressions to generate
 823         converted pattern.
 824
 825 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 826             Joern Rennecke  <joern.rennecke@embecosm.com>
 827
 828         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
 829         declaration.
 830         (emit_pic_move): Remove.
 831         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
 832         * config/arc/arc.c (emit_pic_move): Removed.
 833         (TARGET_HAVE_TLS): Define.
 834         (arc_conditional_register_usage): Test for arc_tp_regno.
 835         (arc_print_operand, arc_print_operand_address): Handle TLS
 836         unspecs.
 837         (arc_needs_pcl_p): New function.
 838         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
 839         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
 840         (arc_raw_symbolic_reference_mentioned_p): Likewise.
 841         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
 842         (arc_legitimize_tls_address): Likewise.
 843         (DTPOFF_ZERO_SYM): Define.
 844         (arc_legitimize_pic_address): Make it static, handle TLS cases.
 845         (arc_output_pic_addr_const): Print TLS unspecs.
 846         (prepare_pic_move): New function, replaces emit_pic_move.
 847         (arc_legitimate_constant_p): Handle TLS unspecs.
 848         (arc_legitimate_address_p): Likewise.
 849         (arc_rewrite_small_data_p): Use assert for TLS constants.
 850         (prepare_move_operands): Use prepare_pic_move.
 851         (arc_legitimize_address): Legitimize tls addresses.
 852         (arc_epilogue_uses): Check for arc_tp_regno.
 853         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
 854         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
 855         Define.
 856         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
 857         Likewise.
 858         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
 859         %(arc_tls_extra_start_spec).
 860         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
 861         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
 862         (EH_USES): Define.
 863         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
 864         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
 865         (UNSPEC_TLS_OFF): Add.
 866         (R10_REG): Define.
 867         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
 868         (get_thread_pointersi): New patterns.
 869         * config/arc/arc.opt (mtp-regno): New option.
 870         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
 871         (move_dest_operand): Likewise.
 872         * configure: Regenerate.
 873         * configure.ac: Add arc*-*-* case to test for tls.
 874         * doc/invoke.texi (ARC options): Document mtp-regno.
 875
 876 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
 877
 878         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
 879         the new ARC HS SIMD instructions.
 880         (arc_preferred_simd_mode): New function.
 881         (arc_autovectorize_vector_sizes): Likewise.
 882         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
 883         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
 884         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
 885         (arc_init_builtins): Add new SIMD builtin types.
 886         (arc_split_move): Handle 64 bit vector moves.
 887         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
 888         (TARGET_PLUS_QMACW): Define.
 889         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
 890         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
 891         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
 892         (VSUBADD4H): New builtins.
 893         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
 894         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
 895
 896 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
 897             Matthias Klose  <doko@debian.org>
 898
 899         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
 900
 901 2016-04-28  Richard Biener  <rguenther@suse.de>
 902
 903         PR middle-end/70777
 904         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
 905         canonicalization.
 906
 907 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
 908
 909         * common/config/sh/sh-common.c: Remove SH5 support.
 910         * config/sh/constraints.md: Likewise.
 911         * config/sh/config/sh/elf.h: Likewise.
 912         * config/sh/linux.h: Likewise.
 913         * config/sh/netbsd-elf.h: Likewise.
 914         * config/sh/predicates.md: Likewise.
 915         * config/sh/sh-c.c: Likewise.
 916         * config/sh/sh-protos.h: Likewise.
 917         * config/sh/sh.c: Likewise.
 918         * config/sh/sh.h: Likewise.
 919         * config/sh/sh.md: Likewise.
 920         * config/sh/sh.opt: Likewise.
 921         * config/sh/sync.md: Likewise.
 922         * config/sh/sh64.h: Delete.
 923         * config/sh/shmedia.h: Likewise.
 924         * config/sh/shmedia.md: Likewise.
 925         * config/sh/sshmedia.h: Likewise.
 926         * config/sh/t-netbsd-sh5-64: Likewise.
 927         * config/sh/t-sh64: Likewise.
 928         * config/sh/ushmedia.h: Likewise.
 929
 930 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
 931
 932         * config/i386/i386.md (sign_extend to memory peephole2s): Use
 933         general_reg_operand instead of register_operand predicate.
 934
 935 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
 936
 937         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
 938
 939 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
 940
 941         * match.pd (A - B > A, A + B < A): New transformations.
 942
 943 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
 944
 945         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
 946         which defaults to true.  Emit an outer pair of parentheses only if
 947         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
 948         don't emit parentheses for the right-hand operand.
 949
 950 2016-04-27  Jeff Law  <law@redhat.com>
 951
 952         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
 953
 954 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 955
 956         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
 957         (altivec_lvx_<mode>_internal): Document.
 958         (altivec_lvx_<mode>_2op): New define_insn.
 959         (altivec_lvx_<mode>_1op): Likewise.
 960         (altivec_lvx_<mode>_2op_si): Likewise.
 961         (altivec_lvx_<mode>_1op_si): Likewise.
 962         (altivec_stvx_<mode>): Remove.
 963         (altivec_stvx_<mode>_internal): Document.
 964         (altivec_stvx_<mode>_2op): New define_insn.
 965         (altivec_stvx_<mode>_1op): Likewise.
 966         (altivec_stvx_<mode>_2op_si): Likewise.
 967         (altivec_stvx_<mode>_1op_si): Likewise.
 968         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 969         Expand vec_ld and vec_st during parsing.
 970         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
 971         changes.
 972         (altivec_expand_stvx_be): Likewise.
 973         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
 974         address-masking behavior in RTL.
 975         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
 976         address-masking behavior in RTL.
 977         (altivec_expand_builtin): Change builtin code arguments for calls
 978         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
 979         (insn_is_swappable_p): Avoid incorrect swap optimization in the
 980         presence of lvx/stvx patterns.
 981         (alignment_with_canonical_addr): New function.
 982         (alignment_mask): Likewise.
 983         (find_alignment_op): Likewise.
 984         (recombine_lvx_pattern): Likewise.
 985         (recombine_stvx_pattern): Likewise.
 986         (recombine_lvx_stvx_patterns): Likewise.
 987         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
 988         stvx patterns from expand.
 989         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
 990         expansions.
 991         (vector_altivec_store_<mode>): Likewise.
 992
 993 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
 994
 995         * config/aarch64/aarch64.md
 996         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
 997         remove the "fp" attributes.
 998         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
 999         add the "simd" attributes.
1000         (*movdf_aarch64): Likewise.
1001         (*movtf_aarch64): Remove the "fp" attributes.
1002         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
1003         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
1004
1005 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1006
1007         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
1008         rtx to rtx_code_label *.
1009         * rtl.h (maybe_set_first_label_num): Likewise.
1010
1011 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1012
1013         * df-core.c (df_add_problem): Make the problem param be const.
1014         (df_remove_problem): Make local "problem" be const.
1015         * df-problems.c (problem_RD): Make const.
1016         (problem_LR): Likewise.
1017         (problem_LIVE): Likewise.
1018         (problem_MIR): Likewise.
1019         (problem_CHAIN): Likewise.
1020         (problem_WORD_LR): Likewise.
1021         (problem_NOTE): Likewise.
1022         (problem_MD): Likewise.
1023         * df-scan.c (problem_SCAN): Likewise.
1024         * df.h (struct df_problem): Make field "dependent_problem" be
1025         const.
1026         (struct dataflow): Likewise for field "problem".
1027         (df_add_problem): Make param const.
1028
1029 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
1032         inter-unit moves to/from vector registers are enabled.  Do not disable
1033         for TARGET_MMX.
1034
1035 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1036
1037         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
1038         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
1039         #define to...
1040         (enum df_problem_id): ...this new enum.
1041         (struct df_problem): Convert field "id" from "int" to
1042         enum df_problem_id.
1043
1044 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1045
1046         * rtl.def: Update comment for "things in the instruction chain" to
1047         reflect the removal of the leading "i" field for INSN_UID in
1048         r210360.  Fix bogus apostrophe.
1049
1050 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
1051
1052         * config/i386/i386.md
1053         (lea arith with mem operand + setcc peephole2): Set operator mode.
1054
1055 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1056
1057         PR target/70155
1058         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
1059         (dimode_scalar_to_vector_candidate_p): This.
1060         (timode_scalar_to_vector_candidate_p): New function.
1061         (scalar_to_vector_candidate_p): Likewise.
1062         (timode_check_non_convertible_regs): Likewise.
1063         (timode_remove_non_convertible_regs): Likewise.
1064         (remove_non_convertible_regs): Likewise.
1065         (remove_non_convertible_regs): Renamed to ...
1066         (dimode_remove_non_convertible_regs): This.
1067         (scalar_chain::~scalar_chain): Make it virtual.
1068         (scalar_chain::compute_convert_gain): Make it pure virtual.
1069         (scalar_chain::mark_dual_mode_def): Likewise.
1070         (scalar_chain::convert_insn): Likewise.
1071         (scalar_chain::convert_registers): Likewise.
1072         (scalar_chain::add_to_queue): Make it protected.
1073         (scalar_chain::emit_conversion_insns): Likewise.
1074         (scalar_chain::replace_with_subreg): Likewise.
1075         (scalar_chain::replace_with_subreg_in_insn): Likewise.
1076         (scalar_chain::convert_op): Likewise.
1077         (scalar_chain::convert_reg): Likewise.
1078         (scalar_chain::make_vector_copies): Likewise.
1079         (scalar_chain::convert_registers): New pure virtual function.
1080         (class dimode_scalar_chain): New class.
1081         (class timode_scalar_chain): Likewise.
1082         (scalar_chain::mark_dual_mode_def): Renamed to ...
1083         (dimode_scalar_chain::mark_dual_mode_def): This.
1084         (timode_scalar_chain::mark_dual_mode_def): New function.
1085         (timode_scalar_chain::convert_insn): Likewise.
1086         (dimode_scalar_chain::convert_registers): Likewise.
1087         (scalar_chain::compute_convert_gain): Renamed to ...
1088         (dimode_scalar_chain::compute_convert_gain): This.
1089         (scalar_chain::replace_with_subreg): Renamed to ...
1090         (dimode_scalar_chain::replace_with_subreg): This.
1091         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
1092         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
1093         (scalar_chain::make_vector_copies): Renamed to ...
1094         (dimode_scalar_chain::make_vector_copies): This.
1095         (scalar_chain::convert_reg): Renamed to ...
1096         (dimode_scalar_chain::convert_reg ): This.
1097         (scalar_chain::convert_op): Renamed to ...
1098         (dimode_scalar_chain::convert_op): This.
1099         (scalar_chain::convert_insn): Renamed to ...
1100         (dimode_scalar_chain::convert_insn): This.
1101         (scalar_chain::convert): Call convert_registers.
1102         (convert_scalars_to_vector): Change to scalar_chain pointer to
1103         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
1104         in 32-bit mode.  Delete scalar_chain pointer.  Call
1105         free_dominance_info in 64-bit mode.
1106         (pass_stv::gate): Remove TARGET_64BIT check.
1107         (ix86_option_override): Put the 64-bit STV pass before the CSE
1108         pass.
1109
1110 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
1111
1112         * dwarf2out.h (struct dw_loc_descr_node): Remove the
1113         dw_loc_frame_offset field.
1114         * dwarf2out.c (new_loc_descr): Likewise.
1115         (resolve_args_picking_1): Turn the VISITED hash set into a
1116         FRAME_OFFSET hash map. Use it to associate a frame offset to
1117         visited nodes. Remove uses of the CHECKING_P macro.
1118         (resolve_args_picking): Update call to resolve_args_picking_1.
1119
1120 2016-04-27  Martin Liska  <mliska@suse.cz>
1121
1122         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
1123         (free_loop_data): Release vuses of groups.
1124
1125 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
1126
1127         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
1128         instead of redundant use_id and boolean have_use_for.
1129         (struct iv_use): Change sub_id into group_id.  Remove field next.
1130         Move fields: related_cands, n_map_members, cost_map and selected
1131         to ...
1132         (struct iv_group): ... here.  New structure.
1133         (struct iv_common_cand): Use structure declaration directly.
1134         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
1135         (MAX_CONSIDERED_USES): Rename macro to ...
1136         (MAX_CONSIDERED_GROUPS): ... here.
1137         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
1138         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
1139         (dump_uses): Rename to ...
1140         (dump_groups): ... here.  Update all uses.
1141         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
1142         (find_induction_variables): Refactor format of dump information.
1143         (record_sub_use): Delete.
1144         (record_use): Update all uses.
1145         (record_group): New function.
1146         (record_group_use, find_interesting_uses_op): Call above functions.
1147         Update all uses.
1148         (find_interesting_uses_cond): Ditto.
1149         (group_compare_offset): New function.
1150         (split_all_small_groups): Rename to ...
1151         (split_small_address_groups_p): ... here.  Update all uses.
1152         (split_address_groups):  Update all uses.
1153         (find_interesting_uses): Refactor format of dump information.
1154         (add_candidate_1): Update all uses.  Remove redundant check on iv,
1155         base and step.
1156         (add_candidate, record_common_cand): Remove redundant assert.
1157         (add_iv_candidate_for_biv): Update use.
1158         (add_iv_candidate_derived_from_uses): Update all uses.
1159         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
1160         (alloc_use_cost_map): Ditto.
1161         (set_use_iv_cost, get_use_iv_cost): Rename to ...
1162         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
1163         (determine_use_iv_cost_generic): Ditto.
1164         (determine_group_iv_cost_generic): Ditto.
1165         (determine_use_iv_cost_address): Ditto.
1166         (determine_group_iv_cost_address): Ditto.
1167         (determine_use_iv_cost_condition): Ditto.
1168         (determine_group_iv_cost_cond): Ditto.
1169         (determine_use_iv_cost): Ditto.
1170         (determine_group_iv_cost): Ditto.
1171         (set_autoinc_for_original_candidates): Update all uses.
1172         (find_iv_candidates): Update all uses.  Refactor dump information.
1173         (determine_use_iv_costs): Ditto.
1174         (determine_iv_costs): Ditto.
1175         (iv_ca_cand_for_use): Rename to ...
1176         (iv_ca_cand_for_group): ... here.  Update all uses.
1177         (iv_ca_add_use, iv_ca_add_group): Ditto.
1178         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
1179         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
1180         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
1181         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
1182         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
1183         (create_new_iv, adjust_iv_update_pos): Ditto.
1184         (rewrite_use_address): Delete.
1185         (rewrite_use_address_1): Rename to ...
1186         (rewrite_use_address): ... here.
1187         (rewrite_use_compare): Update all uses.
1188         (rewrite_use): Delete.
1189         (rewrite_uses): Rename to ...
1190         (rewrite_groups): ... here.  Update all uses.
1191         (remove_unused_ivs, free_loop_data): Update all uses.
1192         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1193
1194 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1195
1196         * rtlanal.c (nonzero_bits1): Convert preprocessor check
1197         for WORD_REGISTER_OPERATIONS to runtime check.
1198
1199 2016-04-27  Richard Biener  <rguenther@suse.de>
1200
1201         PR ipa/70760
1202         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1203         aggregate_value_p to determine if a function result is
1204         returned by reference.
1205         (ipa_pta_execute): Functions having their address taken are
1206         not automatically nonlocal.
1207
1208 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR sanitizer/70683
1211         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1212         * fold-const.c (operand_equal_p): If flag_checking and
1213         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1214         and if it returns non-zero, assert iterative_hash_expr on both
1215         args is the same.
1216
1217 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1218
1219         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1220
1221 2016-04-27  Nick Clifton  <nickc@redhat.com>
1222
1223         PR middle-end/49889
1224         * varasm.c (merge_weak): Generate an error if an attempt is made
1225         to convert a non-weak static function into a weak, public function.
1226
1227 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1228
1229         * params.def (MAX_PARTITION_SIZE): New param.
1230         * doc/invoke.texi: Document lto-max-partition.
1231
1232 2016-04-27  Richard Biener  <rguenther@suse.de>
1233
1234         PR ipa/70785
1235         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1236         function cummulating used_from_other_partition, externally_visible
1237         and force_output from aliases.
1238         (refered_from_nonlocal_var): Likewise.
1239         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1240         node flags properly.
1241
1242 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1243
1244         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1245         (-Wmemset-elt-size): New item.
1246
1247 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1248
1249         PR ada/70759
1250         * stor-layout.h (internal_reference_types): Delete.
1251         * stor-layout.c (reference_types_internal): Likewise.
1252         (internal_reference_types): Likewise.
1253         (layout_type) <REFERENCE_TYPE>: Adjust.
1254
1255 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR sanitizer/70683
1258         * tree.h (inchash::add_expr): Add FLAGS argument.
1259         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
1260         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
1261         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1262         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
1263         if swap_tree_comparison (code) is smaller than code, hash that
1264         and arguments in the other order.  Hash CONVERT_EXPR the same
1265         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1266         of ADDR_EXPR of decl as the decl itself.  Add or remove
1267         OEP_ADDRESS_OF from recursive flags as needed.  For
1268         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1269         operands commutatively and only the third one normally.
1270         For internal CALL_EXPR hash in CALL_EXPR_IFN.
1271
1272 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1273
1274         * config/rtems.h (LIB_SPEC): Add -latomic.
1275
1276 2016-04-27  Joel Sherrill  <joel@rtems.org>
1277
1278         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1279         xilink.ld and flags not relevant to RTEMS.
1280
1281 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
1282
1283         * toplev.c (backend_init_target): Avoid calling init_reload when using
1284         LRA.
1285
1286 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1287
1288         * reorg.c (try_merge_delay_insns): Declare i and j inside the
1289         for loops rather than one for the whole function.
1290
1291 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
1292
1293         * match.pd (X + CST CMP X): New transformation.
1294
1295 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
1296
1297         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1298         * fold-const.c (fold_binary_loc): Remove 2 transformations
1299         superseded by match.pd.
1300         * match.pd (x+x -> x*2): Generalize to integers.
1301
1302 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
1303
1304         * config/i386/i386.md (operation on memory peephole): Duplicate an
1305         existing peephole and adapt it to match lea rather than an operation
1306         that clobbers CC.
1307
1308         PR rtl-optimization/57193
1309         * opts.c (default_options_table): Add OPT_frename_registers at -O2
1310         and above.
1311         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1312
1313 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
1314
1315         * tree-if-conv.c (any_pred_load_store): New static variable.
1316         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
1317         any_pred_load_store instead of and_mask_load_store.
1318         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1319         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1320         (combine_blocks, tree_if_conversion): Ditto.
1321
1322 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
1323
1324         PR tree-optimization/70771
1325         PR tree-optimization/70775
1326         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1327         virtual PHI nodes.  Delete parameter.
1328         (if_convertible_loop_p_1): Delete argument to above function.
1329         (predicate_all_scalar_phis): Delete code handling single-argument
1330         PHIs.
1331         (tree_if_conversion): Mark and update virtual SSA.
1332
1333 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1334
1335         PR target/61821
1336         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1337         (x86_elf_aligned_common): Rename to ...
1338         (x86_elf_aligned_decl_common): ... this.
1339         Add decl arg.  Switch to .lbss for largecomm object.  Use
1340         LARGECOMM_SECTION_ASM_OP.
1341         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1342         renaming.
1343         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1344         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1345         Pass new decl arg.
1346         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1347         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1348
1349 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1350
1351         PR target/59407
1352         * config/i386/i386.c (SECTION_LARGE): Define.
1353         (x86_64_elf_select_section): Set it for large data/bss sections.
1354         Only clear SECTION_WRITE for .lrodata.
1355         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1356         data/bss sections.
1357         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1358         * varasm.c (default_elf_asm_named_section): Grow flagchars.
1359         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1360         SECTION_MACH_DEP.
1361         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1362         * doc/tm.texi: Regenerate.
1363
1364 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1365
1366         PR bootstrap/70704
1367         * configure.ac (--enable-checking): Document extra flag, for
1368         non-release builds default to --enable-checking=yes,extra.
1369         If misc checking and extra checking, define CHECKING_P to 2 instead
1370         of 1.
1371         * common.opt (fchecking=): Add.
1372         * doc/invoke.texi (-fchecking=): Document.
1373         * doc/install.texi: Document --enable-checking changes.
1374         * configure: Regenerated.
1375         * config.in: Regenerated.
1376
1377 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1378
1379         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1380         attribute instead of which_alternative.
1381         * config/i386/sse.md (*mov<mode>_internal): Ditto.
1382         Use EXT_REX_SSE_REG_P where appropriate.
1383
1384 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1385
1386         * config/i386/predicates.md (const0_operand): Do not match
1387         const_wide_int code.
1388         (const1_operand): Ditto.
1389
1390 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1391
1392         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1393         for SSE constm1 operands and TARGET_AVX512VL.
1394         (*movti_internal): Ditto.
1395         (*mov<mode>_or): Use constm1_operand predicate.
1396         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1397         for SSE vector_all_ones operands and TARGET_AVX512VL.
1398         * config/i386/predicates.md (constm1_operand): New predicate.
1399         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1400         emission of constant -1 load.
1401
1402 2016-04-25  Jason Merrill  <jason@redhat.com>
1403
1404         * gdbinit.in: Skip is-a.h.
1405
1406         * attribs.c (register_scoped_attributes): Fix logic.
1407         * attribs.h: Declare register_scoped_attributes.
1408
1409 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1410
1411         * config/rs6000/rs6000-builtin.def: Correct pasto error for
1412         stxvd2x and stxvw4x built-in functions.
1413
1414 2016-04-25  DJ Delorie  <dj@redhat.com>
1415
1416         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1417         (ashrhi3): Likewise.
1418         (lshrhi3): Likewise.
1419
1420 2016-04-25  Richard Biener  <rguenther@suse.de>
1421
1422         PR tree-optimization/70780
1423         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1424         wasn't visited yet.
1425         (compute_antic): Mark blocks with abnormal preds as visited as
1426         they have a final empty antic-in solution already.
1427
1428 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1429
1430         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1431
1432 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1433
1434         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1435         mode is VQI to improve mixed mode vectorization.
1436         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1437         define_insn to match low half of signed vaddw.
1438         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1439         define_insn to match high half of signed vaddw.
1440         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1441         define_insn to match low half of unsigned vaddw.
1442         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1443         define_insn to match high half of unsigned vaddw.
1444         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1445         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1446         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1447         for new function.
1448         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1449         * config/arm/predicates.md (vect_par_constant_high): Support
1450         big endian and simplify by calling
1451         arm_simd_check_vect_par_cnst_half
1452         (vect_par_constant_low): Likewise.
1453
1454 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1455
1456         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1457         predicate for operand 2.
1458
1459 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
1460             H.J. Lu  <hongjiu.lu@intel.com>
1461
1462         * config/i386/i386-protos.h (standard_sse_constant_p): Add
1463         machine_mode argument.
1464         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1465         constm1_rtx operands.  For VOIDmode constants, get mode from
1466         pred_mode.  Check mode size if the mode is supported by ABI.
1467         (standard_sse_constant_opcode): Do not use standard_constant_p.
1468         Strictly check ABI support for all-ones operands.
1469         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1470         immediates. Update calls to standard_sse_constant_p.
1471         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1472         (ix86_rtx_costs): Ditto.
1473         * config/i386/i386.md (*movxi_internal_avx512f): Use
1474         nonimmediate_or_sse_const_operand instead of vector_move_operand.
1475         Use (v,BC) alternative instead of (v,C). Use register_operand
1476         checks instead of MEM_P.
1477         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1478         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
1479         isa attribute.  Use register_operand checks instead of MEM_P.
1480         (*movti_internal): Use nonimmediate_or_sse_const_operand for
1481         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
1482         alternative and corresponding sse2 isa attribute.
1483         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1484         to standard_sse_constant_p.
1485         (FP constant splitters): Ditto.
1486         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1487         (C): Ditto.
1488         * config/i386/predicates.md (constm1_operand): Remove.
1489         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1490         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1491         vector_all_ones_operand instead of constm1_operand.
1492
1493 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1494
1495         * print-rtl.c (print_rtx_insn_vec): New function.
1496         * print-rtl.h: New prototype.
1497         * store-motion.c (struct st_expr): Make avail_stores a vector.
1498         (st_expr_entry): Adjust.
1499         (free_st_expr_entry): Likewise.
1500         (print_store_motion_mems): Likewise.
1501         (find_moveable_store): Likewise.
1502         (compute_store_table): Likewise.
1503         (delete_store): Likewise.
1504         (build_store_vectors): Likewise.
1505
1506 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1507
1508         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1509
1510 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1511
1512         * vec.h (vec_safe_contains): New function.
1513         (vec::contains): Likewise.
1514         (vec::begin): Likewise.
1515         (vec::end): Likewise.
1516
1517 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
1518
1519         PR sanitizer/70712
1520         * cfgexpand.c (expand_stack_vars): Fix typo.
1521
1522 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1523
1524         * system.h (list, map, set, vector): Include conditionally.
1525         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1526         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1527         * ipa-icf.c (INCLUDE_LIST): Define.
1528         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1529         * config/sh/sh.c (INCLUDE_VECTOR): Define.
1530         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1531         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1532         * cp/logic.cc (INCLUDE_LIST): Define.
1533         * fortran/trans-common.c (INCLUDE_MAP): Define.
1534
1535 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1536
1537         * auto-profile.c: Remove <string.h> include.
1538         * ipa-icf-gimple.c: Remove <list> include.
1539         * diagnostic.c: Remove <new> include.
1540         * genmatch.c: Likewise.
1541         * pretty-print.c: Likewise.
1542         * toplev.c: Likewise
1543         * c/c-objc-common.c: Likewise.
1544         * cp/error.c: Likewise.
1545         * fortran/error.c: Likewise.
1546
1547 2016-04-22  Richard Biener  <rguenther@suse.de>
1548
1549         * lto-streamer-in.c (input_ssa_names): Do not allocate
1550         GIMPLE_NOP for all SSA names.
1551         * lto-streamer-out.c (output_ssa_names): Do not output
1552         SSA names that should have been released.
1553
1554 2016-04-22  Richard Biener  <rguenther@suse.de>
1555
1556         PR tree-optimization/70740
1557         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1558         VDEF.
1559
1560 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1561
1562         PR target/70750
1563         * config/i386/predicates.md (call_insn_operand): Replace
1564         sibcall_memory_operand with memory_operand.
1565
1566 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
1567
1568         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1569         has_single_use() tests.
1570         (register_edge_assert_for_1): Likewise.
1571         (find_assert_locations_1): Check the liveness bitmap instead of
1572         checking has_single_use().
1573
1574 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
1575
1576         PR target/70728
1577         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1578         Extract AVX-512BW constraint from AVX.
1579
1580 2016-04-21  Richard Biener  <rguenther@suse.de>
1581
1582         PR tree-optimization/70725
1583         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1584         for phi_convertible_by_degenerating_args.
1585         (predicate_all_scalar_phis): Handle single-argument PHIs.
1586
1587 2016-04-21  Richard Biener  <rguenther@suse.de>
1588
1589         PR middle-end/70747
1590         * fold-const.c (fold_comparison): Return properly typed
1591         constant boolean.
1592
1593 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
1594
1595         PR tree-optimization/70715
1596         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1597         after expanding BASE using expand_simple_operations.
1598
1599 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1600
1601         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1602         New transformations.
1603
1604 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1605
1606         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1607
1608 2016-04-20  Jan Hubicka  <jh@suse.cz>
1609
1610         * ipa-inline.c (can_inline_edge_p): Pass caller info to
1611         ultiimate_alias_target.
1612         (update_callee_keys): Likewise.
1613         (lookup_recursive_calls): Likewise.
1614         (speculation_useful_p): Likewise.
1615
1616 2016-04-20  Jan Hubicka  <jh@suse.cz>
1617
1618         PR ipa/70018
1619         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1620         (set_nothrow_flag_1): ... this; handle interposition correctly;
1621         recurse on aliases and thunks.
1622         (cgraph_node::set_nothrow_flag): New.
1623         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1624         functions compiled with non-call exceptions that binds to current
1625         def.
1626         (propagate_nothrow): Be safe WRT interposition.
1627         * cgraph.h (set_nothrow_flag): Update prototype.
1628
1629 2016-04-18  Jan Hubicka  <jh@suse.cz>
1630
1631         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1632         max_loop_iterations_int.
1633         (tree_unswitch_outer_loop): Likewise.
1634
1635 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1636
1637         PR tree-optimization/69489
1638         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1639         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1640         Revise dump message.
1641         (if_convertible_bb_p): Remove check on edge count of basic block's
1642         predecessors.
1643
1644 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1645
1646         PR tree-optimization/56625
1647         PR tree-optimization/69489
1648         * tree-data-ref.h (DR_INNERMOST): New macro.
1649         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1650         hashing struct innermost_loop_behavior.
1651         (ref_DR_map): Remove.
1652         (innermost_DR_map): New map.
1653         (baseref_DR_map): Revise comment.
1654         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1655         to innermost_DR_map accroding to its innermost loop behavior.
1656         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1657         to its innermost loop behavior.
1658         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1659         Add initialization for innermost_DR_map.  Record memory reference
1660         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1661         have innermost loop behavior.
1662         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
1663         innermost_DR_map.
1664
1665 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         * config/i386/i386.md (*lea<mode>_general_1): Rename from
1668         *lea_general_1.  Use explicit SWI12 mode interator.
1669         (*lea<mode>_general_2): Rename from *lea_general_2.
1670         Use explicit SWI12 mode interator.
1671         (*lea<mode>_general_3): Rename from *lea_general_3.
1672         Use explicit SWI12 mode interator.
1673         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1674         Use explicit SWI12 mode interator.
1675         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1676         Use explicit SWI48 mode interator.
1677
1678 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1679
1680         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1681         Short-cut unaligned load and store cases.  Handle all integer
1682         vector modes.
1683         (ix86_expand_vector_move_misalign): Short-cut unaligned load
1684         and store cases.  Call ix86_avx256_split_vector_move_misalign
1685         directly without checking mode class.
1686
1687 2016-04-20  Andrew Pinski  <apinski@cavium.com>
1688             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1689
1690         PR target/64971
1691         * config/aarch64/aarch64.md (sibcall): Force call
1692         address to be DImode for ILP32.
1693         (sibcall_value): Likewise.
1694
1695 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1696
1697         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1698
1699 2016-04-20  Richard Biener  <rguenther@suse.de>
1700
1701         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1702         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1703         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1704         (maybe_push_res_to_seq): Adjust.
1705         * gimple-fold.c (maybe_build_generic_op): Likewise.
1706
1707 2016-04-20  Marek Polacek  <polacek@redhat.com>
1708
1709         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1710         rather than true.
1711
1712 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
1713
1714         * config/i386/sse.md (vec_unpacks_lo_hi): Always
1715         use kmovw to support AVX512F target.
1716
1717 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1718
1719         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1720
1721 2016-04-20  Marek Polacek  <polacek@redhat.com>
1722
1723         PR tree-optimization/70725
1724         * tree-if-conv.c (is_false_predicate): New function.
1725         (predicate_mem_writes): Use it.
1726
1727 2016-04-20  Richard Biener  <rguenther@suse.de>
1728
1729         PR tree-optimization/70726
1730         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1731         shift amounts from a pattern stmt operand.
1732
1733 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1734
1735         PR target/70674
1736         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1737         stack_restore_from_fpr pattern when restoring r15.
1738         (s390_optimize_prologue): Strip away the memory barrier in the
1739         parallel when trying to get rid of restore insns.
1740         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
1741         definition for loading the stack pointer from an FPR.  Compared to
1742         the normal move insn this pattern includes a full memory barrier.
1743
1744 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
1745
1746         PR middle-end/70680
1747         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
1748         implicitly linear or lastprivate iterator on the outer context.
1749
1750 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
1751
1752         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
1753         alignment check.
1754         * config/i386/i386.md (ssememalign): Removed.
1755         * config/i386/sse.md: Remove ssememalign attribute from patterns.
1756
1757 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
1758
1759         PR target/69201
1760         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
1761         const short * to __builtin_ia32_loaddquhi512_mask.
1762         (_mm512_maskz_loadu_epi16): Likewise.
1763         (_mm512_mask_storeu_epi16): Pass short * to
1764         __builtin_ia32_storedquhi512_mask.
1765         (_mm512_mask_loadu_epi8): Pass const char * to
1766         __builtin_ia32_loaddquqi512_mask.
1767         (_mm512_maskz_loadu_epi8): Likewise.
1768         (_mm512_mask_storeu_epi8): Pass char * to
1769         __builtin_ia32_storedquqi512_mask.
1770         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
1771         const double * to __builtin_ia32_loadupd512_mask.
1772         (_mm512_mask_loadu_pd): Likewise.
1773         (_mm512_maskz_loadu_pd): Likewise.
1774         (_mm512_storeu_pd): Pass double * to
1775         __builtin_ia32_storeupd512_mask.
1776         (_mm512_mask_storeu_pd): Likewise.
1777         (_mm512_loadu_ps): Pass const float * to
1778         __builtin_ia32_loadups512_mask.
1779         (_mm512_mask_loadu_ps): Likewise.
1780         (_mm512_maskz_loadu_ps): Likewise.
1781         (_mm512_storeu_ps): Pass float * to
1782         __builtin_ia32_storeups512_mask.
1783         (_mm512_mask_storeu_ps): Likewise.
1784         (_mm512_mask_loadu_epi64): Pass const long long * to
1785         __builtin_ia32_loaddqudi512_mask.
1786         (_mm512_maskz_loadu_epi64): Likewise.
1787         (_mm512_mask_storeu_epi64): Pass long long *
1788         to __builtin_ia32_storedqudi512_mask.
1789         (_mm512_loadu_si512): Pass const int * to
1790         __builtin_ia32_loaddqusi512_mask.
1791         (_mm512_mask_loadu_epi32): Likewise.
1792         (_mm512_maskz_loadu_epi32): Likewise.
1793         (_mm512_storeu_si512): Pass int * to
1794         __builtin_ia32_storedqusi512_mask.
1795         (_mm512_mask_storeu_epi32): Likewise.
1796         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
1797         char * to __builtin_ia32_storedquqi256_mask.
1798         (_mm_mask_storeu_epi8): Likewise.
1799         (_mm256_mask_loadu_epi16): Pass const short * to
1800         __builtin_ia32_loaddquhi256_mask.
1801         (_mm256_maskz_loadu_epi16): Likewise.
1802         (_mm_mask_loadu_epi16): Pass const short * to
1803         __builtin_ia32_loaddquhi128_mask.
1804         (_mm_maskz_loadu_epi16): Likewise.
1805         (_mm256_mask_loadu_epi8): Pass const char * to
1806         __builtin_ia32_loaddquqi256_mask.
1807         (_mm256_maskz_loadu_epi8): Likewise.
1808         (_mm_mask_loadu_epi8): Pass const char * to
1809         __builtin_ia32_loaddquqi128_mask.
1810         (_mm_maskz_loadu_epi8): Likewise.
1811         (_mm256_mask_storeu_epi16): Pass short * to.
1812         __builtin_ia32_storedquhi256_mask.
1813         (_mm_mask_storeu_epi16): Pass short * to.
1814         __builtin_ia32_storedquhi128_mask.
1815         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
1816         const double * to __builtin_ia32_loadupd256_mask.
1817         (_mm256_maskz_loadu_pd): Likewise.
1818         (_mm_mask_loadu_pd): Pass onst double * to
1819         __builtin_ia32_loadupd128_mask.
1820         (_mm_maskz_loadu_pd): Likewise.
1821         (_mm256_mask_storeu_pd): Pass double * to
1822         __builtin_ia32_storeupd256_mask.
1823         (_mm_mask_storeu_pd): Pass double * to
1824         __builtin_ia32_storeupd128_mask.
1825         (_mm256_mask_loadu_ps): Pass const float * to
1826         __builtin_ia32_loadups256_mask.
1827         (_mm256_maskz_loadu_ps): Likewise.
1828         (_mm_mask_loadu_ps): Pass const float * to
1829         __builtin_ia32_loadups128_mask.
1830         (_mm_maskz_loadu_ps): Likewise.
1831         (_mm256_mask_storeu_ps): Pass float * to
1832         __builtin_ia32_storeups256_mask.
1833         (_mm_mask_storeu_ps): ass float * to
1834         __builtin_ia32_storeups128_mask.
1835         (_mm256_mask_loadu_epi64): Pass const long long * to
1836         __builtin_ia32_loaddqudi256_mask.
1837         (_mm256_maskz_loadu_epi64): Likewise.
1838         (_mm_mask_loadu_epi64): Pass const long long * to
1839         __builtin_ia32_loaddqudi128_mask.
1840         (_mm_maskz_loadu_epi64): Likewise.
1841         (_mm256_mask_storeu_epi64): Pass long long * to
1842         __builtin_ia32_storedqudi256_mask.
1843         (_mm_mask_storeu_epi64): Pass long long * to
1844         __builtin_ia32_storedqudi128_mask.
1845         (_mm256_mask_loadu_epi32): Pass const int * to
1846         __builtin_ia32_loaddqusi256_mask.
1847         (_mm256_maskz_loadu_epi32): Likewise.
1848         (_mm_mask_loadu_epi32): Pass const int * to
1849         __builtin_ia32_loaddqusi128_mask.
1850         (_mm_maskz_loadu_epi32): Likewise.
1851         (_mm256_mask_storeu_epi32): Pass int * to
1852         __builtin_ia32_storedqusi256_mask.
1853         (_mm_mask_storeu_epi32): Pass int * to
1854         __builtin_ia32_storedqusi128_mask.
1855         * config/i386/i386-builtin-types.def (PCSHORT): New.
1856         (PINT64): Likewise.
1857         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
1858         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
1859         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
1860         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
1861         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
1862         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
1863         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
1864         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
1865         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
1866         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
1867         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
1868         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
1869         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
1870         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
1871         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
1872         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
1873         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
1874         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
1875         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
1876         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
1877         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
1878         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
1879         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
1880         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
1881         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
1882         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
1883         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
1884         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
1885         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
1886         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
1887         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
1888         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
1889         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
1890         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
1891         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
1892         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
1893         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
1894         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
1895         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
1896         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
1897         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
1898         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
1899         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
1900         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
1901         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
1902         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
1903         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
1904         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
1905         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
1906         use UNSPEC_STOREU.
1907         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
1908         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
1909         load nor store.
1910         (ix86_expand_vector_move_misalign): Likewise.
1911         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
1912         to scalar function prototype for unaligned load/store builtins.
1913         (ix86_expand_special_args_builtin): Updated.
1914         * config/i386/sse.md (UNSPEC_LOADU): Removed.
1915         (UNSPEC_STOREU): Likewise.
1916         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
1917         (VI_ULOADSTORE_F_AVX512VL): Likewise.
1918         (ssescalarsize): Handle V4TI, V2TI and V1TI.
1919         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1920         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
1921         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
1922         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
1923         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
1924         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
1925         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
1926         (<avx512>_storedqu<mode>_mask): Likewise.
1927         (*sse4_2_pcmpestr_unaligned): Likewise.
1928         (*sse4_2_pcmpistr_unaligned): Likewise.
1929         (*mov<mode>_internal): Renamed to ...
1930         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
1931         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
1932         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
1933         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
1934
1935 2016-04-19  Richard Biener  <rguenther@suse.de>
1936
1937         PR tree-optimization/70171
1938         * tree-ssa-phiprop.c: Include stor-layout.h.
1939         (phiprop_insert_phi): Handle the aggregate copy case.
1940         (propagate_with_phi): Likewise.
1941
1942 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
1943
1944         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
1945         instead of simplify_gen_subreg (... , 0).
1946         (ix86_delegitimize_address): Ditto.
1947         (ix86_split_divmod): Ditto.
1948         (ix86_split_copysign_const): Ditto.
1949         (ix86_split_copysign_var): Ditto.
1950         (ix86_expand_args_builtin): Ditto.
1951         (ix86_expand_round_builtin): Ditto.
1952         (ix86_expand_special_args_builtin): Ditto.
1953         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
1954         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
1955         (udivmodqi4): Ditto.
1956         (absneg splitters): Ditto.
1957         (*jcc_bt<mode>_1): Ditto.
1958
1959 2016-04-19  Richard Biener  <rguenther@suse.de>
1960
1961         PR tree-optimization/70724
1962         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
1963         restoring out from ...
1964         (free_scc_vn): ... here.
1965         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
1966         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
1967         tail merging.
1968         (pass_fre::execute): Restore SSA info.
1969
1970 2016-04-19  Richard Biener  <rguenther@suse.de>
1971
1972         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
1973         * gimple-walk.c (walk_gimple_op): Initialize it.
1974         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
1975         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
1976         remapping SSA names of defs.
1977         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
1978         adjustment.
1979
1980 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
1981
1982         PR middle-end/70689
1983         * lra-constraints.c (equiv_substition_p): New.
1984         (process_alt_operands): Use it.
1985         (swap_operands): Swap it.
1986         (curr_insn_transform): Update it.
1987
1988 2016-04-18  Michael Matz  <matz@suse.de>
1989
1990         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
1991         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
1992         * tree-core.h (tree_type_common.align): Use bit-field.
1993         (tree_type_common.spare): New.
1994         (tree_decl_common.off_align): Make smaller.
1995         (tree_decl_common.align): Use bit-field.
1996
1997         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
1998         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
1999         (scan_sharing_clauses): Ditto.
2000         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2001         (omp_finish_file): Ditto.
2002         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
2003         (layout_decl): Ditto.
2004         (relayout_decl): Ditto.
2005         (finalize_record_size): Use SET_TYPE_ALIGN.
2006         (finalize_type_size): Ditto.
2007         (finish_builtin_struct): Ditto.
2008         (layout_type): Ditto.
2009         (initialize_sizetypes): Ditto.
2010         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
2011         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
2012         (lookup_field_for_decl): Use SET_DECL_ALIGN.
2013         (get_chain_field): Ditto.
2014         (get_trampoline_type): Ditto.
2015         (get_nl_goto_field): Ditto.
2016         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2017         SET_DECL_ALIGN.
2018         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
2019         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
2020         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2021         (build_qualified_type): Use SET_TYPE_ALIGN.
2022         (build_aligned_type, build_range_type_1): Ditto.
2023         (build_atomic_base): Ditto.
2024         (build_common_tree_nodes): Ditto.
2025         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
2026         (expand_one_stack_var_at): Ditto.
2027         * coverage.c (build_var): Use SET_DECL_ALIGN.
2028         * except.c (init_eh): Ditto.
2029         * function.c (assign_parm_setup_block): Ditto.
2030         * symtab.c (increase_alignment_1): Ditto.
2031         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
2032         * tree-vect-stmts.c (ensure_base_align): Ditto.
2033         * varasm.c (align_variable): Ditto.
2034         (assemble_variable): Ditto.
2035         (build_constant_desc): Ditto.
2036         (output_constant_def_contents): Ditto.
2037
2038         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
2039         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
2040         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
2041         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
2042         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
2043
2044 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
2045
2046         PR target/70708
2047         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
2048         replace %vmovsd with "%vmovq".
2049         (vec_concatv2df): Likewise.
2050
2051 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
2052
2053         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
2054         (*vec_extractv2si_0): Ditto.
2055         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
2056         (zero_extended_scalar_load_operand splitters): Ditto.
2057         (vec_extract splitters): Ditto.
2058         (*vec_extractv4si_0_zext): Ditto.
2059         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
2060         and lowpart_subreg.
2061         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
2062         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
2063         (*sse4_1_extractps): Use lowpart_subreg.
2064
2065 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2066
2067         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2068         gld requirements.
2069         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
2070         Mention Solaris 11 packaging changes.
2071         Update gas and gld requirements.
2072         Remove reference to pre-Solaris 10 bug.
2073         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2074         systems and bugs.
2075         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2076         with cc.
2077
2078 2016-04-17  Jan Hubicka  <jh@suse.cz>
2079
2080         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
2081         max_loop_iterations_int.
2082
2083 2016-04-18  Richard Biener  <rguenther@suse.de>
2084
2085         PR tree-optimization/43434
2086         * tree-ssa-structalias.c (struct vls_data): New.
2087         (visit_loadstore): Handle all pointer-based accesses.
2088         (compute_dependence_clique): Compute a bitmap of restrict tags
2089         assigned bases and pass it to visit_loadstore.
2090
2091 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
2092
2093         PR target/70711
2094         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2095         armv8.1-a and armv8.1-a+crc.
2096
2097 2016-04-18  Richard Biener  <rguenther@suse.de>
2098
2099         PR tree-optimization/70701
2100         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
2101         references after translating through a memcpy.
2102
2103 2016-04-18  Richard Biener  <rguenther@suse.de>
2104
2105         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
2106         (compute_antic): ... here.  For partial antic use regular
2107         postorder and scrap iteration.
2108         (compute_partial_antic_aux): Remove unused return value.
2109         (init_pre): Do not allocate postorder.
2110         (fini_pre): Do not free postorder.
2111
2112 2016-04-18  Richard Biener  <rguenther@suse.de>
2113
2114         PR middle-end/37870
2115         * expmed.c (extract_bit_field_1): Remove broken case
2116         using a wider MODE_INT mode.
2117
2118 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
2119
2120         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2121         unless compiling with at least GCC-4.8.
2122
2123 2016-04-17  Jan Hubicka  <jh@suse.cz>
2124
2125         PR bootstrap/70706
2126         * graphite.c (graphite_finalize): Update call to
2127         tree_estimate_probability.
2128         * predict.h (tree_estimate_probability): Update prototype.
2129
2130 2016-04-17  Jan Hubicka  <jh@suse.cz>
2131
2132         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
2133         (tree_estimate_probability): Likewise.
2134         (pass_profile::execute): Update.
2135         (report_predictor_hitrates): New function.
2136         * profile.c (compute_branch_probabilities): Use it.
2137         * predict.h (report_predictor_hitrates): Declare.
2138
2139 2016-04-17  Jan Hubicka  <jh@suse.cz>
2140
2141         PR ipa/70018
2142         * cgraph.h (cgraph_node::set_const_flag,
2143         cgraph_node::set_pure_flag): Update prototype to return bool;
2144         update comment.
2145         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
2146         of interposable symbol are interposable, too.
2147         (cgraph_set_const_flag_1): Rename to ...
2148         (set_const_flag_1): ... this one; change to self recursive function
2149         instead of call_for_symbol_thunks_and_aliases. Handle correctly
2150         clearnig the flag in all variants and also virtual thunks of const
2151         functions are pure; track if any change was done.
2152         (cgraph_node::set_const_flag): Update.
2153         (struct set_pure_flag_info): New struct.
2154         (cgraph_set_pure_flag_1): Rename to ...
2155         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
2156         rather than pointer encoded flags; track if any changes was done;
2157         handle correctly clearning flag and setting flag of aliases already
2158         declared const.
2159         (cgraph_node::set_pure_flag): Update.
2160         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
2161
2162 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2163
2164         PR other/70433
2165         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
2166         backslash in label.
2167
2168 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2169
2170         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
2171         '{}<> ' as escape-for-record.
2172
2173 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2174
2175         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
2176         structure.
2177
2178 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2179
2180         PR other/70185
2181         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
2182         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
2183         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
2184         * passes.c (finish_optimization_passes): Only call
2185         finish_graph_dump_file if dfi->graph_dump_initialized.
2186         (execute_function_dump, pass_init_dump_file): Use
2187         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
2188
2189 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2190
2191         PR tree-optimization/70256
2192         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2193         (debug_varmap): New function.
2194
2195 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2196
2197         PR other/70183
2198         * passes.c (pass_manager::register_pass): Propagate pflags.
2199
2200 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2201
2202         PR other/68875
2203         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2204         * passes.c (pass_manager::pass_manager): Declare and init p_start in
2205         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
2206         check if it's equal to p_start.
2207         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2208
2209 2016-04-15  Jan Hubicka  <jh@suse.cz>
2210
2211         PR ipa/70018
2212         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2213         function does not bind to current def.
2214         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2215         handle conservatively calls to functions that does not need to bind
2216         to current def.
2217         (check_call): Update call of worse_state.
2218         (ignore_edge_for_nothrow): Update.
2219         (ignore_edge_for_pure_const): Likewise.
2220         (propagate_pure_const): Update calls to worse_state.
2221         (skip_function_for_local_pure_const): Reformat comments.
2222
2223 2016-04-15  Jan Hubicka  <jh@suse.cz>
2224
2225         PR ipa/70018
2226         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2227         (cgraph_node::function_symbol): Likewise.
2228         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2229         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2230         (symtab_node::ultimate_alias_target): Add REF parameter.
2231         (symtab_node::binds_to_current_def_p): Declare.
2232         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2233         (cgraph_node::function_symbol): Likewise.
2234         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2235         (cgraph_node::get_availability): Likewise.
2236         (cgraph_edge::binds_to_current_def_p): New inline function.
2237         (varpool_node::get_availability): Add REF parameter.
2238         (varpool_node::ultimate_alias_target): Likewise.
2239         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2240         (symtab_node::binds_to_current_def_p): Likewise.
2241         * varpool.c (varpool_node::get_availability): Likewise.
2242
2243 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2244
2245         PR target/70662
2246         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2247         Fix mode size check.
2248
2249 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2250
2251         * BASE-VER: Set to 7.0.0.
2252
2253 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
2254
2255         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2256
2257 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2258
2259         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2260         architecture revisions.
2261
2262 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
2263
2264         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2265         * config/i386/i386.c (ix86_using_red_zone): No longer static.
2266         * config/i386/i386.md (stack decrement to push peepholes): Guard
2267         with !x86_using_red_zone ().
2268
2269 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2270
2271         PR c++/70675
2272         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2273         to dump_generic_node.
2274         (NIY): Pass also flags to do_niy.
2275
2276 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
2277
2278         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2279         (simd_clone_vector_of_formal_parm_types)
2280         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2281         (simd_clone_mangle, simd_clone_create)
2282         (simd_clone_adjust_return_type, create_tmp_simd_array)
2283         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2284         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2285         (ipa_simd_modify_function_body, simd_clone_linear_addend)
2286         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2287         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2288         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2289         * omp-simd-clone.c: ... this new file.
2290         (simd_clone_vector_of_formal_parm_types): Make it static.
2291         * Makefile.in (OBJS): Add omp-simd-clone.o.
2292
2293 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2294
2295         PR target/70662
2296         * config/i386/sse.md: Use proper memory operand modifiers.
2297
2298
2299 2016-04-15  Richard Biener  <rguenther@suse.de>
2300         Alan Modra  <amodra@gmail.com>
2301
2302         PR tree-optimization/70130
2303         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2304         when alignment stays not the same and no not use the realign
2305         scheme then.
2306
2307 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2308
2309         PR target/70669
2310         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2311         direct move handlers for KFmode. Change TFmode handlers test from
2312         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2313
2314 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
2315
2316         PR c++/70594
2317         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2318         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2319         (inlined_polymorphic_ctor_dtor_block_p): Use it.
2320         * tree-ssa-live.c (remove_unused_scope_block_p): When
2321         in_ctor_dtor_block, avoid discarding not just BLOCKs with
2322         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2323         block_ultimate_origin is FUNCTION_DECL.
2324         (remove_unused_locals): If current_function_decl is
2325         polymorphic_ctor_dtor_p, pass initial true to
2326         remove_unused_scope_block_p' is_ctor_dtor_block.
2327
2328 2016-04-14  Martin Sebor  <msebor@redhat.com>
2329
2330         PR c++/69517
2331         PR c++/70019
2332         PR c++/70588
2333         * doc/extend.texi (Variable Length): Revert.
2334
2335 2016-04-14  Marek Polacek  <polacek@redhat.com>
2336             Jan Hubicka  <hubicka@ucw.cz>
2337
2338         PR c++/70029
2339         * tree.c (verify_type): Disable the canonical type of main variant
2340         check.
2341
2342 2016-04-14  Jason Merrill  <jason@redhat.com>
2343
2344         * cfgexpand.c, expr.c: Revert previous change.
2345
2346 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
2347
2348         PR middle-end/70643
2349         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2350         when building a mem ref for the incoming reduction variable.
2351
2352 2016-04-14  Richard Biener  <rguenther@suse.de>
2353
2354         PR tree-optimization/70614
2355         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2356         loop if the evolution dropped to chrec_dont_know.
2357         (interpret_condition_phi): Likewise.
2358
2359 2016-04-14  Richard Biener  <rguenther@suse.de>
2360
2361         PR tree-optimization/70623
2362         * tree-ssa-pre.c (changed_blocks): Make global ...
2363         (compute_antic): ... local here.  Move and fix worklist
2364         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2365         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
2366         worklist handling, dump when ANTIC_IN changed.
2367         (compute_partial_antic_aux): Remove worklist handling.
2368         (init_pre): Do not compute post dominators.  Add a comment about
2369         the CFG order chosen.
2370         (fini_pre): Do not free post dominators.
2371
2372 2016-04-13  Martin Sebor  <msebor@redhat.com>
2373
2374         PR c++/69517
2375         PR c++/70019
2376         PR c++/70588
2377         * doc/extend.texi (Variable Length): Document C++ specifics.
2378
2379 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR c++/70641
2382         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2383         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
2384         eh edges have been purged.
2385
2386         PR c++/70594
2387         * tree-sra.c (create_access_replacement,
2388         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2389         gets fancy name.
2390         * tree-pretty-print.c (dump_fancy_name): New function.
2391         (dump_decl_name, dump_generic_node): Use it.
2392
2393 2016-04-13  Jason Merrill  <jason@redhat.com>
2394
2395         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2396         * expr.c (expand_expr_real_1): Likewise.
2397
2398 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2399
2400         * config/i386/i386.md (kunpckhi): Swap operands.
2401         (kunpcksi): Likewise.
2402         (kunpckdi): Likewise.
2403         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2404         (vec_pack_trunc_<mode>): Likewise.
2405
2406 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2407
2408         PR debug/70628
2409         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2410
2411         PR middle-end/70633
2412         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2413         gimplification turns some element into non-constant.
2414
2415         PR debug/70628
2416         * rtl.h (convert_memory_address_addr_space_1): New prototype.
2417         * explow.c (convert_memory_address_addr_space_1): No longer static,
2418         add NO_EMIT argument and don't call convert_modes if true, pass
2419         it down recursively, remove break after return.
2420         (convert_memory_address_addr_space): Adjust caller.
2421         * simplify-rtx.c (simplify_unary_operation_1): Call
2422         convert_memory_address_addr_space_1 instead of convert_memory_address,
2423         if it returns NULL, don't simplify.
2424
2425 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2426
2427         PR target/70630
2428         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2429
2430 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2431
2432         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2433         Bump the upper SIMDLEN limits, so that if the return type or
2434         characteristic type if the return type is void can be passed in
2435         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2436         allowed.
2437
2438 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2439
2440         PR target/70640
2441         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2442         Do not use "=" constraint on an input constraint.
2443         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2444         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2445         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2446         generates (neg (abs ...)) instead of (abs ...).
2447
2448 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2449
2450         PR rtl-optimization/70596
2451         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2452         just invalidate LRA data and reset them.  Adjust dump wording.
2453
2454 2016-04-12  Martin Liska  <mliska@suse.cz>
2455
2456         Revert
2457         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2458
2459         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2460         estimates here.
2461         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2462         max_loop_iterations_int.
2463         (tree_unswitch_outer_loop): Likewise.
2464         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2465         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2466
2467 2016-04-12  Tom de Vries  <tom@codesourcery.com>
2468
2469         PR tree-optimization/68756
2470         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2471         instead of new_name.
2472
2473 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2474
2475         PR tree-optimization/70602
2476         * tree-sra.c (generate_subtree_copies): Don't write anything into
2477         constant pool decls.
2478
2479         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2480         regardless whether there are depend clauses or not.
2481
2482 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2483
2484         PR target/70381
2485         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2486         target attribute and pragma from changing the -mfloat128
2487         and -mfloat128-hardware options.
2488
2489         * doc/extend.texi (Additional Floating Types): Document PowerPC
2490         __float128 restrictions.
2491
2492 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2493
2494         PR target/70133
2495         * config/aarch64/driver-aarch64.c
2496         (aarch64_get_extension_string_for_isa_flags): New.
2497         (arch_extension): Rename to...
2498         (aarch64_arch_extension): ...This.
2499         (ext_to_feat_string): Rename to...
2500         (aarch64_extensions): ...This.
2501         (aarch64_core_data): Keep track of architecture extension flags.
2502         (cpu_data): Rename to...
2503         (aarch64_cpu_data): ...This.
2504         (aarch64_arch_driver_info): Keep track of architecture extension
2505         flags.
2506         (get_arch_name_from_id): Rename to...
2507         (get_arch_from_id): ...This, change return type.
2508         (host_detect_local_cpu): Update and reformat for renames, handle
2509         extensions through common infrastructure.
2510
2511 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2512
2513         PR target/70133
2514         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2515         track of a canonical flag name.
2516         (all_extensions): Likewise.
2517         (arch_to_arch_name): Also track extension flags enabled by the arch.
2518         (all_architectures): Likewise.
2519         (aarch64_parse_extension): Move to here.
2520         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2521         rework.
2522         (aarch64_rewrite_selected_cpu): Update for above change.
2523         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2524         are handled, such that the single explicit value enabled by an
2525         extension is kept seperate from the implicit values it also enables.
2526         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2527         to here.
2528         (aarch64_parse_extension): New.
2529         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2530         here to config/aarch64/aarch64-protos.h.
2531         (aarch64_parse_extension): Move from here to
2532         common/config/aarch64/aarch64-common.c.
2533         (aarch64_option_print): Update.
2534         (aarch64_declare_function_name): Likewise.
2535         (aarch64_start_file): Likewise.
2536         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2537         the canonical flag for extensions.
2538         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2539         flags.
2540
2541 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2542
2543         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2544         AARCH64_FL_CRC.
2545
2546 2016-04-09  Tom de Vries  <tom@codesourcery.com>
2547
2548         PR tree-optimization/68953
2549         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2550         first to last subscript.
2551
2552 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
2553
2554         PR tree-optimization/70586
2555         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2556         for any calls.
2557
2558 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
2559
2560         PR lto/70289
2561         PR ipa/70348
2562         PR tree-optimization/70373
2563         PR middle-end/70533
2564         PR middle-end/70534
2565         PR middle-end/70535
2566         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2567         clauses for acc parallel reductions as necessary.  Error on those
2568         that are private.
2569         * omp-low.c (scan_sharing_clauses): Don't install variables which
2570         are used in acc parallel reductions.
2571         (lower_rec_input_clauses): Remove dead code.
2572         (lower_oacc_reductions): Add support for reference reductions.
2573         (lower_reduction_clauses): Remove dead code.
2574         (lower_omp_target): Don't remap variables appearing in acc parallel
2575         reductions.
2576         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2577
2578 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
2579
2580         PR middle-end/70593
2581         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2582         with multiple SSA_NAME defs, force the outputs other than first
2583         to be live before calling live_track_process_def on each output.
2584
2585         PR rtl-optimization/70574
2586         * fwprop.c (forward_propagate_and_simplify): Don't add
2587         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2588         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2589         paradoxical subregs within *loc.
2590
2591 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
2592
2593         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2594         -ftree-parallelize-loops={0,1}.
2595         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2596         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2597         * config/ia64/hpux.h (LIB_SPEC): Likewise.
2598         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2599         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2600
2601 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
2602
2603         PR sanitizer/70541
2604         * asan.c (instrument_derefs): If we get unknown location, extract it
2605         with EXPR_LOCATION.
2606         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2607
2608 2016-04-08  Tom de Vries  <tom@codesourcery.com>
2609
2610         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2611         implicit firstprivate clause.
2612
2613 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2614
2615         PR target/70566
2616         * config/arm/thumb2.md (tst + branch-> lsls + branch
2617         peephole below *orsi_not_shiftsi_si): Require that condition
2618         register is dead after the peephole.
2619         (second peephole after the above): Likewise.
2620
2621 2016-04-08  Alan Modra  <amodra@gmail.com>
2622
2623         PR target/70117
2624         * builtins.c (fold_builtin_classify): For IBM extended precision,
2625         look at just the high-order double to test for NaN.
2626         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
2627         test just the high double for Inf but both doubles for subnormal
2628         limit.
2629
2630 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
2631
2632         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2633         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2634         node->simdclone->mask_mode != VOIDmode masks.
2635         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
2636         earlier, use it instead of node->simdclone.
2637         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2638         Set clonei->mask_mode.
2639
2640 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2641
2642         PR c/70436
2643         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2644         Pass it through to cp_parser_already_scoped_statement.
2645         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
2646         it through to cp_parser_statement.
2647         (cp_parser_statement): Pass IF_P through to
2648         cp_parser_iteration_statement.
2649         (cp_parser_pragma): Adjust call to
2650         cp_parser_iteration_statement.
2651
2652 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2653
2654         PR c/70436
2655         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2656         resolve a future -Wparentheses warning.
2657         * omp-low.c (scan_sharing_clauses): Likewise.
2658         * tree-parloops.c (eliminate_local_variables): Likewise.
2659
2660 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
2661
2662         PR rtl-optimization/70398
2663         * lra-constraints.c (process_address_1): Check zero scale and code
2664         for reloading with zero scale.
2665
2666 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
2667
2668         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2669         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2670
2671 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
2672
2673         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2674         Add support for AVX512F clones, include them by default for
2675         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
2676         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2677         up to 128.
2678
2679         PR middle-end/70550
2680         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2681         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2682         firstprivate clauses.
2683         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2684         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2685         (lower_omp_target): Set TREE_NO_WARNING for
2686         non-addressable possibly uninitialized vars which are copied into
2687         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2688
2689 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
2690
2691         * config/pa/predicates.md (integer_store_memory_operand): Accept
2692         REG+D operands with a large offset when reload_in_progress is true.
2693         (floating_point_store_memory_operand): Likewise.
2694
2695 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2696
2697         PR c++/70336
2698         * match.pd (nested int casts): Limit to GIMPLE.
2699
2700 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
2701
2702         PR ipa/66223
2703         * ipa-devirt.c (maybe_record_node): Fix comment; use
2704         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2705
2706 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR rtl-optimization/70542
2709         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2710         if there are any uses other than insn or debug insns.
2711
2712 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
2713             Jakub Jelinek  <jakub@redhat.com>
2714
2715         PR tree-optimization/70509
2716         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2717         Shift HOST_WIDE_INT_1U instead of 1.
2718
2719 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
2720
2721         PR tree-optimization/70509
2722         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2723         of the vector base type for index.
2724
2725 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
2726
2727         PR target/70510
2728         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2729
2730 2016-04-05  Richard Biener  <rguenther@suse.de>
2731
2732         PR tree-optimization/70526
2733         * tree-sra.c (build_ref_for_offset): Use prev_base to
2734         extract the alias pointer type.
2735
2736 2016-04-05  Richard Biener  <rguenther@suse.de>
2737
2738         * dse.c (struct store_info): Remove alias_set member.
2739         (struct read_info_type): Likewise.
2740         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
2741         spill_deleted, clear_alias_set_lookup): Remove.
2742         (get_group_info): Remove dead base == NULL_RTX case.
2743         (dse_step0): Remove initialization of removed variables.
2744         (delete_dead_store_insn): Reomve alias set dumping.
2745         (free_read_records): Remove alias_set handling.
2746         (canon_address): Remove alias_set_out parameter.
2747         (record_store): Remove spill_alias_set, it's always zero.
2748         (check_mem_read_rtx): Likewise.
2749         (dse_step2): Rename from ...
2750         (dse_step2_nospill): ... this.  Adjust.
2751         (scan_stores): Rename from ...
2752         (scan_stores_nospill): ... this.
2753         (scan_reads): Rename from ...
2754         (scan_reads_nospill): ... this.
2755         (scan_stores_spill, scan_reads_spill): Remove.
2756         (dse_step3_scan): Remove for_spills argument which is always false.
2757         (dse_step3): Likewise.
2758         (dse_step5): Rename from ...
2759         (dse_step5_nospill): ... this.  Remove alias_set handling.
2760         (rest_of_handle_dse): Adjust.
2761
2762 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2763
2764         PR target/70525
2765         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
2766         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
2767         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
2768         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
2769
2770 2016-04-05  Richard Biener  <rguenther@suse.de>
2771
2772         PR middle-end/70499
2773         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
2774         non-register type temporaries into SSA.
2775
2776 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
2777
2778         PR ipa/66223
2779         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
2780         calls when sanitizing.
2781         (possible_polymorphic_call_target_p): Fix formatting.
2782
2783 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2784             Jakub Jelinek <jakub@redhat.com>
2785
2786         PR middle-end/70457
2787         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
2788         to ensure a call statement is compatible with a built-in's
2789         prototype.
2790         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
2791         Likewise.
2792
2793 2016-04-04  Richard Biener  <rguenther@suse.de>
2794
2795         PR rtl-optimization/70484
2796         * rtl.h (canon_output_dependence): Declare.
2797         * alias.c (canon_output_dependence): New function.
2798         * dse.c (record_store): Use canon_output_dependence rather
2799         than canon_true_dependence.
2800
2801 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2802
2803         PR ipa/68881
2804         * cgraph.h (symtab_node::copy_visibility_from): New function.
2805         * symtab.c (symtab_node::copy_visibility_from): New function.
2806         * ipa-visibility.c (optimize_weakref): New function.
2807         (function_and_variable_visibility): Use it.
2808
2809 2016-04-04  Martin Liska  <mliska@suse.cz>
2810
2811         PR hsa/70402
2812         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
2813         value that is really in range handled by SBR instruction.
2814         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
2815         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
2816         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
2817
2818 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
2819
2820         PR target/70416
2821         PR target/67391
2822         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
2823         set, but not for SP_REG operands.
2824
2825 2016-04-02  Martin Sebor  <msebor@redhat.com>
2826
2827         PR c++/67376
2828         * fold-const.c (maybe_nonzero_address): New function.
2829         (fold_comparison): Call it.  Fold equality and relational
2830         expressions involving null pointers.
2831         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
2832
2833 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
2834
2835         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
2836         the "Y" constraint (scalar FP 0.0 immediate).
2837
2838         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
2839         Add the "const_double" to the list of operand constraints.
2840
2841 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
2842
2843         PR rtl-optimization/70467
2844         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
2845         If low word of the last operand is 0, just emit addition/subtraction
2846         for the high word.
2847
2848 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2849
2850         PR target/70404
2851         * config/s390/s390.c (s390_expand_insv): Check for everything
2852         constant instead of just VOIDmode stuff.
2853
2854 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2855
2856         PR target/70496
2857         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
2858
2859 2016-04-01  Nathan Sidwell  <nathan@acm.org>
2860
2861         * tree.def (TRY_CATCH_EXPR): Correct documentation.
2862
2863 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2864
2865         PR rtl-optimization/70461
2866         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
2867         is necessary.
2868
2869 2016-03-31  Martin Liska  <mliska@suse.cz>
2870
2871         PR hsa/70399
2872         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
2873         a tree value or an immediate integer value to a buffer
2874         that is eventually copied to a BRIG section.
2875         (emit_immediate_operand): Call the function here.
2876         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
2877         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
2878         of class' fields that are removed.
2879         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
2880         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
2881         m_brig_repr_size fields.
2882
2883 2016-03-31  Martin Liska  <mliska@suse.cz>
2884
2885         PR hsa/70391
2886         * hsa-gen.c (hsa_function_representation::update_dominance): New
2887         function.
2888         (convert_addr_to_flat_segment): Likewise.
2889         (gen_hsa_memory_set): New alignment argument.
2890         (gen_hsa_ctor_assignment): Likewise.
2891         (gen_hsa_insns_for_single_assignment): Provide alignment
2892         to gen_hsa_ctor_assignment.
2893         (gen_hsa_insns_for_direct_call): Add new argument.
2894         (expand_lhs_of_string_op): New function.
2895         (expand_string_operation_builtin): Likewise.
2896         (expand_memory_copy): New function.
2897         (expand_memory_set): New function.
2898         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
2899         (convert_switch_statements): Change signature.
2900         (generate_hsa): Use a return value of the function.
2901         (pass_gen_hsail::execute): Do not call
2902         convert_switch_statements here.
2903         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
2904         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
2905         (hsa_function_representation::update_dominance): New function.
2906
2907 2016-03-31  Martin Liska  <mliska@suse.cz>
2908
2909         PR hsa/70391
2910         * hsa-brig.c (emit_directive_variable): Emit alignment
2911         according to hsa_symbol::m_align.
2912         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
2913         (dump_hsa_symbol): Dump alignment of HSA symbols.
2914         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
2915         (gen_hsa_addr_with_align): New function.
2916         (hsa_bitmemref_alignment): Use newly added function.
2917         (gen_hsa_insns_for_load): Likewise.
2918         (gen_hsa_insns_for_store): Likewise.
2919         (gen_hsa_memory_copy): New argument added.
2920         (gen_hsa_insns_for_single_assignment): Respect
2921         alignment for assignments processed via gen_hsa_memory_copy.
2922         (gen_hsa_insns_for_direct_call): Likewise.
2923         (gen_hsa_insns_for_return): Likewise.
2924         (gen_function_def_parameters): Set default alignment.
2925         * hsa.c (hsa_object_alignment): New function.
2926         (hsa_byte_alignment): Pasted function.
2927         * hsa.h (hsa_symbol::m_align): New field.
2928
2929 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
2930
2931         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
2932         scratch field for goto case.
2933
2934 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
2935
2936         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
2937
2938 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
2939
2940         PR target/70442
2941         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
2942         (scalar_chain::convert_insn): Call convert_op for reg
2943         moves to handle undefined registers.
2944
2945 2016-03-31  Nathan Sidwell  <nathan@acm.org>
2946
2947         PR c++/70393
2948         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
2949         Assert we don't want to move backwards.
2950
2951 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
2952
2953         PR target/70453
2954         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
2955
2956 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
2957
2958         PR rtl-optimization/70460
2959         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
2960         with operand from REG_LABEL_OPERAND, instead substitute
2961         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
2962         Don't do anything for REG_NON_LOCAL_GOTO jumps.
2963
2964 2016-03-31  Martin Liska  <mliska@suse.cz>
2965
2966         * passes.c (execute_one_pass): Do not call
2967         todo_after for a discarded function.
2968
2969 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
2970
2971         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
2972         (no_cost, infinite_cost): Initialize the new field.
2973         (get_computation_cost_at): Record setup cost.
2974         (determine_use_iv_cost_address): Skip cost computation for sub
2975         uses if we can estimate it without losing accuracy.
2976
2977 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2978
2979         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2980         estimates here.
2981         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2982         max_loop_iterations_int.
2983         (tree_unswitch_outer_loop): Likewise.
2984         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2985         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2986
2987 2016-03-30  Richard Biener  <rguenther@suse.de>
2988
2989         PR middle-end/70450
2990         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
2991
2992 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
2993
2994         PR target/70421
2995         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
2996         in gen_blendm expander.
2997
2998 2016-03-30  Nick Clifton  <nickc@redhat.com>
2999
3000         PR target/62254
3001         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3002         case where we are already provided with an SImode SUBREG.
3003
3004 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3005
3006         PR target/70439
3007         * config/i386/i386.c (ix86_expand_epilogue): Properly check
3008         conflict between DRAP register and __builtin_eh_return.
3009
3010 2016-03-30  Michael Matz  <matz@suse.de>
3011             Richard Biener  <rguenther@suse.de>
3012
3013         PR ipa/12392
3014         * ipa-polymorphic-call.c (struct type_change_info): Change
3015         speculative to an unsigned allowing to limit the work we do.
3016         (csftc_abort_walking_p): New inline function..
3017         (check_stmt_for_type_change): Limit the number of may-defs
3018         skipped for speculative devirtualization to
3019         max-speculative-devirt-maydefs.
3020         * params.def (max-speculative-devirt-maydefs): New param.
3021         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3022
3023 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
3024
3025         PR target/63890
3026         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3027         and TARGET_MACHO.
3028
3029 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
3030
3031         PR tree-optimization/59124
3032         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3033         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3034
3035 2016-03-29  Jeff Law  <law@redhat.com>
3036
3037         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3038
3039 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3040
3041         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3042         to HOST_WIDE_INT.
3043
3044 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
3045
3046         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3047         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3048         gcrt0.o if linking dynamically.
3049
3050 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3051
3052         PR ipa/70283
3053         * ipa-devirt.c (methods_equal_p): New function.
3054         (compare_virtual_tables): Use it.
3055         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3056         * cgraphclones.c (clone_function_name_1): Use
3057         symbol_table::symbol_suffix_separator.
3058         * coverage.c (build_var): Likewise.
3059         * symtab.c (symbol_table::symbol_suffix_separator): New.
3060
3061 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
3062
3063         PR rtl-optimization/70429
3064         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3065         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3066         mode != result_mode.
3067
3068         PR c++/70353
3069         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3070
3071         PR tree-optimization/70405
3072         * ssa-iterators.h (num_imm_uses): Add missing braces.
3073
3074 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
3075
3076         PR rtl-optimization/68695
3077         * ira-color.c (allocno_copy_cost_saving): New.
3078         (improve_allocation): Use it.
3079
3080 2016-03-29  Richard Henderson  <rth@redhat.com>
3081
3082         PR middle-end/70355
3083         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3084
3085 2016-03-29  Richard Biener  <rguenther@suse.de>
3086
3087         PR middle-end/70424
3088         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3089         use alignment returned by get_pointer_alignment_1 if it is
3090         bigger than BITS_PER_UNIT.
3091         * builtins.c (get_pointer_alignment_1): Do not return true
3092         for alignment extracted from SSA info.
3093
3094 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
3095
3096         * config/ft32/ft32.opt (mnodiv): New.
3097         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3098         * doc/invoke.texi (FT32 Options -mnodiv): New.
3099
3100 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
3101
3102         PR target/70406
3103         * config/i386/i386.md (define_split, andn): Fix modes.
3104
3105 2016-03-26  Richard Biener  <rguenther@suse.de>
3106             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3107
3108         PR ipa/70366
3109         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3110         instead of
3111         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3112         as 2nd argument to cl_optimization_restore().
3113
3114 2016-03-25  Richard Henderson  <rth@redhat.com>
3115
3116         PR target/70120
3117         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3118         * config/aarch64/aarch64-protos.h: Declare it.
3119         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3120
3121 2016-03-25  Alan Modra  <amodra@gmail.com>
3122
3123         PR target/70052
3124         * config/rs6000/constraints.md (j): Simplify.
3125         * config/rs6000/predicates.md (easy_fp_constant): Exclude
3126         decimal float 0.D.
3127         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3128         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3129          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3130         in all constraint alternatives.
3131         (movtd_64bit_nodm): Delete "j" constraint alternative.
3132
3133 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3134
3135         * tree-ssa-propagate.c: Enhance docs for
3136         SSA_PROP_NOT_INTERESTING.
3137
3138 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3139
3140         * doc/extend.texi: Fix typo in documentation to pure attribute.
3141
3142 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
3143
3144         PR target/70319
3145         * config/pa/pa.md (bswapdi2): Use a scratch register.
3146
3147 2016-03-24  Richard Henderson  <rth@redhat.com>
3148
3149         PR middle-end/69845
3150         * fold-const.c (extract_muldiv_1): Correct test for multiplication
3151         overflow.
3152
3153 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
3154
3155         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3156         using ix86_expand_binary_operator instead of gen_andsi3.
3157
3158 2016-03-24  Richard Biener  <rguenther@suse.de>
3159
3160         PR tree-optimization/70396
3161         * tree-vect-stmts.c (vectorizable_comparison): Use
3162         get_vectype_for_scalar_type.
3163
3164 2016-03-24  Richard Biener  <rguenther@suse.de>
3165
3166         PR middle-end/70370
3167         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3168         with register bases.
3169
3170 2016-03-24  Richard Biener  <rguenther@suse.de>
3171
3172         PR tree-optimization/70372
3173         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3174         build_all_ones_cst to also handle vector types correctly.
3175
3176 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3177
3178         PR target/70381
3179         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3180         -mfloat128 here.
3181
3182 2016-03-23  Marek Polacek  <polacek@redhat.com>
3183
3184         PR c++/69884
3185         * doc/invoke.texi: Document -Wignored-attributes.
3186
3187 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3188
3189         PR tree-optimization/69042
3190         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3191         parameter from 30 to 40.
3192
3193 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3194
3195         PR tree-optimization/69042
3196         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3197         for use with constant offset stripped in base.
3198
3199 2016-03-23  Richard Biener  <rguenther@suse.de>
3200
3201         PR middle-end/70251
3202         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3203         mode compatibility check.
3204         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3205
3206 2016-03-23  Jeff Law  <law@redhat.com>
3207
3208         PR tree-optimization/64058
3209         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3210         CONFLICT_COUNT.
3211         (struct ssa_conflicts): Move up earlier in the file.
3212         (conflicts_, var_map_): New static variables.
3213         (initialize_conflict_count): New function to initialize the
3214         CONFLICT_COUNT field for each conflict pair.
3215         (compare_pairs): Lazily initialize the conflict count and use it
3216         as the first tie-breaker.
3217         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
3218         and wipe conflicts_ and map_ around the call to qsort.  Remove
3219         special case for 2 coalesce pairs.
3220         * bitmap.c (bitmap_count_unique_bits): New function.
3221         (bitmap_count_bits_in_word): New function, extracted from
3222         bitmap_count_bits.
3223         (bitmap_count_bits): Use bitmap_count_bits_in_word.
3224         * bitmap.h (bitmap_count_unique_bits): Declare it.
3225
3226 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
3227
3228         PR target/69917
3229         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3230         transparent alias chain for decl assembler name.
3231         * config/sol2.c (solaris_assemble_visibility): Likewise.
3232
3233 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3234
3235         * config/arm/arm1020e.md (1020call_op): Reduce reservation
3236         duration.
3237         (v10_fdivs): Likewise.
3238         (v10_fdivd): Likewise.
3239
3240 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3241
3242         PR driver/70132
3243         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3244         to not call fclose twice on file.
3245
3246 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
3247
3248         PR tree-optimization/70354
3249         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3250         oprnd0 is wider than oprnd1 and there is a cast from the wider
3251         type to oprnd1, mask it with the mask of the narrower type.
3252
3253         PR target/70321
3254         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3255         Optimize TARGET_STV splitters, if high or low word of last argument
3256         is 0 or -1.
3257
3258 2016-03-22  Jeff Law  <law@redhat.com>
3259
3260         PR target/70232
3261         tree-ssa-threadbackward.c
3262         (fsm_find_control_statement_thread_paths): Correctly distinguish
3263         between old style jump threads vs FSM jump threads.
3264
3265 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
3266
3267         PR target/70302
3268         * config/i386/i386.c (scalar_chain::convert_op): Support
3269         uninitialized register usage case.
3270
3271 2016-03-22  Richard Biener  <rguenther@suse.de>
3272
3273         PR middle-end/70251
3274         * genmatch.c (gen_transform): Adjust last parameter to a three-state
3275         int...
3276         (capture::gen_transform): ... to change behavior when substituting
3277         a condition into cond or not-cond expr context.
3278         (dt_simplify::gen_1): Adjust.
3279         * gimple-match-head.c: Include gimplify.h for unshare_expr.
3280         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3281         last change and instead change to
3282         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3283         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3284
3285 2016-03-22  Anthony Green  <green@moxielogic.com>
3286
3287         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
3288         issue for moxiebox targets.
3289         (CC1PLUS_SPEC): Ditto.
3290
3291 2016-03-22  Richard Biener  <rguenther@suse.de>
3292
3293         PR middle-end/70333
3294         * fold-const.c (extract_muldiv_1): Properly perform multiplication
3295         in the wide type.
3296
3297 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3298
3299         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3300
3301 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3302
3303         PR target/70325
3304         * config/i386/i386.c (def_builtin): Handle
3305         OPTION_MASK_ISA_AVX512VL to be and-ed with other
3306         bits.
3307         (const struct builtin_description bdesc_special_args[]):
3308         Remove duplicate ISA bits.
3309
3310 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR target/70329
3313         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3314         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
3315         in a way that works also for AVX512BW.
3316
3317         PR target/70300
3318         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3319         instead of source if operands[1] is xmm16 and above and
3320         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
3321         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3322
3323         PR c++/70295
3324         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3325         on assign if (*from_p) is a comparison, set it to
3326         TREE_NO_WARNING (*from_p).
3327
3328 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3329
3330         PR middle-end/70326
3331         * lra.c (restore_scratches): Ignore deleted insns.
3332
3333 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
3334             Jakub Jelinek  <jakub@redhat.com>
3335
3336         PR tree-optimization/70317
3337         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3338         to HONOR_NANS.
3339
3340 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
3341
3342         PR target/70327
3343         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3344         of ix86_expand_move.
3345         (movoi): Ditto.
3346         (movti): Use general_operand for operand 1 predicate.
3347
3348 2016-03-21  Martin Liska  <mliska@suse.cz>
3349
3350         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3351         insns.
3352         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3353
3354 2016-03-21  Martin Liska  <mliska@suse.cz>
3355
3356         PR ipa/70306
3357         * ipa-icf.c (sem_function::parse): Skip static
3358         constructors and destructors.
3359
3360 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3361
3362         PR target/70296
3363         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3364         function-like macro, peek following token(s) if it is followed
3365         by CPP_OPEN_PAREN token with optional padding in between, and
3366         if not, don't treat it like a macro.
3367
3368 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
3369             Alexander Monakov  <amonakov@ispras.ru>
3370
3371         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3372         for the stabs debug format.
3373
3374 2016-03-21  Richard Biener  <rguenther@suse.de>
3375
3376         PR tree-optimization/70310
3377         * tree-vect-generic.c (expand_vector_condition): Fold the built
3378         condition.
3379
3380 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
3381
3382         PR target/70293
3383         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3384         Block third alternative for AVX-512VL target,
3385
3386 2016-03-21  Martin Liska  <mliska@suse.cz>
3387
3388         PR hsa/70234
3389         * hsa-brig.c (emit_function_directives): Mark unemitted
3390         global variables for emission.
3391         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3392         (get_symbol_for_decl): Likewise.
3393         * hsa.h (struct hsa_symbol): New flag.
3394
3395 2016-03-21  Richard Biener  <rguenther@suse.de>
3396
3397         PR tree-optimization/70288
3398         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3399         we do not estimate unsimplified all-constant conditionals or
3400         switches as optimized away.
3401
3402 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
3403
3404         PR rtl-optimization/69102
3405         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3406         when we have a readonly dependency context.
3407
3408 2016-03-18  Jeff Law  <law@redhat.com>
3409
3410         PR rtl-optimization/70263
3411         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3412         (update_equiv_regs): When trying to move a store to after the insn
3413         that sets the source of the store, make sure the store occurs after
3414         the insn that sets the source of the store.  When successful note
3415         the REG_EQUIV note created in the dump file.
3416
3417 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
3418             Bernd Schmidt  <bschmidt@redhat.com>
3419
3420         * doc/extend.texi: Document more potential problems with basic asms.
3421
3422 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
3423
3424         PR rtl-optimization/70278
3425         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3426         VOIDmode.
3427
3428 2016-03-18  Jason Merrill  <jason@redhat.com>
3429
3430         * calls.c (load_register_parameters): Fix zero size sibcall logic.
3431
3432 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3433
3434         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3435         values to 128b regs.
3436
3437 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3438
3439         PR tree-optimization/70252
3440         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3441         boolean vector has a proper number of elements.
3442         (supportable_narrowing_operation): Likewise.
3443
3444 2016-03-18  Tom de Vries  <tom@codesourcery.com>
3445
3446         PR ipa/70269
3447         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3448
3449 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
3450
3451         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3452         instead of replace_rtx for DEBUG_INSNs.
3453
3454 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3455
3456         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3457         load type reservations.
3458
3459 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
3460
3461         PR target/70188
3462         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
3463         define_constraint for "Q" and "T" constraints.
3464
3465 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
3466
3467         Tweak the pipeline model for Exynos M1
3468
3469         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
3470         model.
3471
3472 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
3473
3474         PR c/70264
3475         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3476         where one or both locations aren't within a line_map.
3477
3478 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3479
3480         PR driver/70192
3481         * opts.c (finish_options): Don't set flag_pie to the default if
3482         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
3483         if it is -1.
3484
3485 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
3486
3487         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3488         true as ALL_REGS argument to replace_rtx.
3489
3490 2016-03-17  Richard Biener  <rguenther@suse.de>
3491
3492         PR debug/70271
3493         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3494         last.
3495
3496 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3497
3498         PR target/70245
3499         * rtl.h (replace_rtx): Add ALL_REGS argument.
3500         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
3501         equality and assert mode is the same, instead of just rtx pointer
3502         equality.
3503         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3504         true as ALL_REGS argument to replace_rtx.
3505
3506 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
3507
3508         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3509         for boolean vector with vector mode only.
3510         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3511
3512 2016-03-17  Nick Clifton  <nickc@redhat.com>
3513
3514         PR target/70162
3515         * config/rx/rx.c (rx_print_integer): Print negative constants in
3516         decimal.
3517
3518 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3519
3520         PR target/70261
3521         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3522
3523 2016-03-16  Richard Henderson  <rth@redhat.com>
3524             Richard Biener  <rguenth@suse.de>
3525
3526         PR middle-end/70240
3527         PR middle-end/68215
3528         PR tree-opt/68714
3529         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3530         first operand as is_gimple_condexpr.
3531
3532         PR middle-end/70240
3533         PR middle-end/68215
3534         Revert r231575
3535         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
3536         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3537         Do not gimplify the result.
3538         (do_unop): Adjust call to tree_vec_extract.
3539         (do_binop): Likewise.
3540         (do_compare): Likewise.
3541         (do_plus_minus): Likewise.
3542         (do_negate): Likewise.
3543         (expand_vector_condition): Likewise.
3544         (do_cond): Likewise.
3545
3546 2016-03-16  Richard Henderson  <rth@redhat.com>
3547
3548         PR target/70048
3549         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3550         (aarch64_classify_address): Use it.
3551         (aarch64_legitimize_address): Force all subexpressions of PLUS
3552         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
3553
3554 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
3555             Richard Biener  <rguenth@suse.de>
3556
3557         PR target/70245
3558         * rtlanal.c (replace_rtx): For REG, if from is a REG,
3559         return to even if only REGNO is equal, and assert
3560         mode is the same.
3561
3562 2016-03-11  Jeff Law  <law@redhat.com>
3563
3564         PR rtl-optimization/70224
3565         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3566
3567 2016-03-16  Richard Henderson  <rth@redhat.com>
3568
3569         PR middle-end/70199
3570         * function.h (struct function): Add has_forced_label_in_static.
3571         * gimplify.c (force_labels_r): Set it.
3572         * lto-streamer-in.c (input_struct_function_base): Read it.
3573         * lto-streamer-out.c (output_struct_function_base): Write it.
3574         * tree-inline.c (has_label_address_in_static_1): Remove.
3575         (copy_forbidden): Remove fndecl parameter; test
3576         has_forced_label_in_static.
3577         (inline_forbidden_p): Update call to copy_forbidden.
3578         (tree_versionable_function_p): Likewise.
3579         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3580         (chkp_versioning): Likewise.
3581         * tree-inline.h (copy_forbidden): Update decl.
3582
3583 2016-03-16  Marek Polacek  <polacek@redhat.com>
3584
3585         PR c/70093
3586         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3587         function being thunked if the result type doesn't have fixed size.
3588         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3589         doesn't have fixed size.
3590
3591 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
3592
3593         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3594         reporting malformed loop nest.
3595
3596 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3597
3598         PR lto/70187
3599         * ipa-devirt.c (possible_polymorphic_call_targets): Move
3600         nodes.length () == 1 test to before first nodes[0] access.
3601
3602 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3603
3604         PR tree-optimization/68715
3605         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3606         single_pred_p test.
3607
3608 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3609
3610         PR tree-optimization/68809
3611         * graphite-scop-detection.c (same_close_phi_node): Test if result types
3612         are the same.
3613
3614 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
3615             Sandra Loosemore  <sandra@codesourcery.com>
3616
3617         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3618         on leaf attribute. Mention ELF interposition problems.
3619
3620 2016-03-16  Alan Modra  <amodra@gmail.com>
3621
3622         PR rtl-optimization/69195
3623         PR rtl-optimization/47992
3624         * ira.c (indirect_jump_optimize): Ignore artificial defs.
3625         Add comments.
3626
3627 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
3628
3629         PR bootstrap/69513
3630         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3631
3632 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3633
3634         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3635
3636 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
3637
3638         PR rtl-optimization/70222
3639         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3640         optimization if mode is different from result_mode, queue up masking
3641         of the result in outer_op.  Formatting fix.
3642
3643         PR middle-end/70239
3644         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3645         of safe_grow.
3646
3647 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3648
3649         PR rtl-optimization/69032
3650         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3651         looping backwards over basic block insns.
3652
3653 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3654
3655         PR target/66660
3656         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3657         to non-speculative when propagating trap bits.
3658
3659 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3660
3661         PR rtl-optimization/63384
3662         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3663         DEBUG_INSN_P insns.
3664
3665 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3666
3667         PR target/64411
3668         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3669         factored out from ...
3670         (sched_analyze_insn): ... here.
3671         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3672         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3673         get_implicit_reg_pending_clobbers in it.
3674         (setup_id_reg_sets): Use setup_id_implicit_regs.
3675         (deps_init_id): Ditto.
3676
3677 2016-03-15  Tom de Vries  <tom@codesourcery.com>
3678
3679         PR ipa/70161
3680         * cgraph.c (cgraph_node::get_body): Save, reset and restore
3681         dump_file_name.
3682         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3683         execute_function_dump.
3684         (execute_one_pass): Don't dump function if it will be dumped after ipa
3685         transform.
3686
3687 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
3688
3689         * genrecog.c (match_pattern_2): If pred is NULL don't call
3690         safe_predicate_mode on it.
3691
3692 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
3693
3694         PR middle-end/70219
3695         * lra-constraints.c (delete_move_and_clobber): Change assertion
3696         to also allow dregno == 0.
3697
3698 2016-03-14  Richard Henderson  <rth@redhat.com>
3699
3700         PR tree-opt/68714
3701         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3702         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3703         (reassociate_bb): Use optimize_vec_cond_expr; avoid
3704         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3705         on vectors.
3706
3707 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3708
3709         PR target/70083
3710         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3711         regs.
3712         (lra_create_live_ranges_1): initialize hard register biggest_mode to
3713         VOIDmode.
3714         * lra-constraints.c (split_reg): For hard regs, try to find the
3715         biggest single-register mode used in the function.
3716
3717 2016-03-14  Richard Biener  <rguenther@suse.de>
3718
3719         PR tree-optimization/56365
3720         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3721         constants to compare against.
3722
3723 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
3724
3725         PR target/70098
3726         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3727         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3728         (define_split for the GPR case): Use int_reg_operand instead of
3729         gpc_reg_operand for the output.
3730
3731 2016-03-14  Tom de Vries  <tom@codesourcery.com>
3732
3733         PR tree-optimization/70045
3734         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3735         create_empty_if_region_on_edge argument.
3736
3737 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
3738
3739         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
3740         (STACK_CHECK_PROTECT): Likewise.
3741         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3742         (STACK_CHECK_PROTECT): Likewise.
3743         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
3744         (STACK_CHECK_PROTECT): Likewise.
3745         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
3746         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
3747         (STACK_CHECK_PROTECT): Likewise.
3748
3749 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
3750
3751         PR rtl-optimization/69307
3752         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
3753         registers in modes that span more than one register.
3754
3755 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
3756
3757         PR target/69614
3758         * lra-constraints.c (delete_move_and_clobber): New.
3759         (remove_inheritance_pseudos): Use it.
3760
3761 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
3762
3763         PR ada/70017
3764         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
3765         the libcall is LCT_THROW.
3766         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
3767         for the checking routine.
3768
3769 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
3770
3771         PR target/70131
3772         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
3773         optimization if we have direct move.
3774         (roundu32<mode>2_fprs): Likewise.
3775
3776 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
3777
3778         PR target/70123
3779         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
3780         be rematerialized.
3781         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
3782         Arguments swapped.  All callers changed.  Take reg_renumber into
3783         account, and Calculate and compare register ranges for hard regs.
3784
3785 2016-03-11  Jeff Law  <law@redhat.com>
3786
3787         PR tree-optimization/70190
3788         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
3789         Handle cases where we can not extract the taken edge, even though we
3790         found a constant value.
3791
3792         PR tree-optimization/64058
3793         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
3794         (num_coalesce_pairs): Move up earlier in file.
3795         (find_coalesce_pair): Initialize the INDEX field for each pair
3796         discovered.
3797         (compare_pairs): No longer sort on the elements in each pair.
3798         Instead break ties with the index of the coalesce pair.
3799
3800 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3801
3802         PR target/70002
3803         * config/aarch64/aarch64-protos.h
3804         (aarch64_save_restore_target_globals): New prototype.
3805         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
3806         Call the above when popping pragma.
3807         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
3808         New function.
3809         (aarch64_set_current_function): Rewrite using the above.
3810
3811 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
3812
3813         PR tree-optimization/70177
3814         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
3815         (extract_ops_from_tree): ... this.  In the 2 argument
3816         overload remove _1 suffix.
3817         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
3818         (extract_ops_from_tree): ... this.
3819         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
3820         Adjust callers.
3821         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
3822         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
3823         extract_ops_from_tree instead of 2 operand one.
3824
3825 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
3826
3827         PR tree-optimization/70013
3828         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
3829         for constant-pool entries.
3830
3831 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
3832
3833         PR rtl-optimization/70174
3834         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
3835         followed by gen_lowpart on force_reg instead of just gen_lowpart.
3836
3837         PR tree-optimization/70169
3838         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
3839         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
3840         for unknown codes.
3841
3842 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
3843             Jakub Jelinek  <jakub@redhat.com>
3844
3845         PR target/70160
3846         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
3847         of uninitialized values.
3848
3849 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3850
3851         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
3852         define_expand.
3853         ("*trunctddd2"): New pattern definition.
3854         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
3855         TD->DD truncation.
3856
3857 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3858
3859         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
3860         definitions for BFP and DFP rounding modes.
3861         ("fixuns_truncdddi2", "fixuns_trunctddi2")
3862         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
3863         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
3864         ("fix_trunctf<mode>2"): Use the new constants instead of magic
3865         numbers.
3866
3867 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3868
3869         * config/s390/constraints.md: Adjust comment.
3870         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
3871         s390_decompose_addrstyle_without_index.
3872         * config/s390/predicates.md (shift_count_or_setmem_operand):
3873         Rename to setmem_operand.
3874         * config/s390/s390-protos.h
3875         (s390_decompose_shift_count): Rename to
3876         s390_decompose_addrstyle_without_index.
3877         * config/s390/s390.c (s390_decompose_shift_count)
3878         (s390_mem_constraint, print_shift_count_operand)
3879         (print_operand_address, print_operand): Rename
3880         s390_decompose_shift_count to
3881         s390_decompose_addrstyle_without_index and rename
3882         print_shift_count_operand to print_addrstyle_operand troughout the
3883         file.
3884         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
3885         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
3886         Rename shift_count_or_setmem_operand to setmem_operand.
3887         * config/s390/vx-builtins.md ("vec_insert<mode>")
3888         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
3889         nonmemory_operand.
3890
3891 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3892
3893         PR target/70168
3894         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
3895         Handle overlapping retval and newval.
3896
3897 2016-03-10  Nick Clifton  <nickc@redhat.com>
3898
3899         PR target/7044
3900         * config/aarch64/aarch64.c
3901         (aarch64_override_options_after_change_1): When forcing
3902         flag_omit_frame_pointer to be true, use a special value that can
3903         be detected if this function is called again, thus preventing
3904         flag_omit_leaf_frame_pointer from being forced to be false.
3905
3906 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3907
3908         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
3909         Set x_flag_omit_leaf_frame_pointer when handling
3910         -momit-leaf-frame-pointer.
3911
3912 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3913
3914         PR lto/69589
3915         * cgraph.c (cgraph_node::dump): Dump split_part and
3916         indirect_call_target.
3917         * cgraph.h (cgraph_node): Add indirect_call_target flag.
3918         * ipa.c (has_addr_references_p): Cleanup.
3919         (is_indirect_call_target_p): New.
3920         (walk_polymorphic_call_targets): Do not mark virtuals that may be
3921         called indirectly as local.
3922         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
3923
3924 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3925
3926         PR ipa/69630
3927         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
3928         on cxa_pure_virtual.
3929
3930 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3931
3932         PR lto/69589
3933         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
3934
3935 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3936
3937         PR lto/69589
3938         * tree.c (need_assembler_name_p): Only record main variant type names.
3939
3940 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
3941
3942         PR target/70113.
3943         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
3944         Always define to 0 or 1.
3945         (TARGET_FIX_ERR_A53_843419): New macro.
3946         * config/aarch64/aarch64-elf-raw.h
3947         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
3948         * config/aarch64/aarch64-linux.h: Likewise.
3949         * config/aarch64/aarch64.c
3950         (aarch64_override_options_after_change_1): Do not default
3951         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
3952         843419 is on.
3953         (aarch64_attributes): Handle fix-cortex-a53-843419.
3954         (aarch64_can_inline_p): Likewise.
3955         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
3956
3957 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
3958         Jakub Jelinek <jakub@redhat.com>
3959
3960         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
3961         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
3962         DECL_COMMONS if flag_unconstrained_commons is set.
3963         * tree-dfa.c (get_ref_base_and_extent): Likewise.
3964         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
3965         (funconstrained-commons): Document.
3966
3967 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
3968
3969         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
3970         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
3971
3972 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
3973
3974         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
3975         has a proper number of elements.
3976
3977 2016-03-10  Alan Modra  <amodra@gmail.com>
3978
3979         PR rtl-optimization/69195
3980         PR rtl-optimization/47992
3981         * ira.c (recorded_label_ref): Delete.
3982         (update_equiv_regs): Return void.
3983         (indirect_jump_optimize): New function.
3984         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
3985         before regstat_compute_ri.  Don't rebuild_jump_labels here.
3986         Delete update_regstat.
3987
3988 2016-03-10  Richard Biener  <rguenther@suse.de>
3989
3990         PR tree-optimization/70128
3991         * tree-ssa-structalias.c (set_uids_in_ptset): Set
3992         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
3993
3994 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
3995
3996         PR tree-optimization/70152
3997         * tree-sra.c (replace_removed_params_ssa_names): Copy over
3998         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
3999
4000         PR target/70086
4001         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4002         instead of gen_sse2_loadlpd.
4003         * config/i386/sse.md (*vec_concatv2df): Rename to...
4004         (vec_concatv2df): ... this.
4005
4006         PR tree-optimization/70127
4007         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4008
4009 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4010
4011         PR c/68473
4012         PR c++/70105
4013         * diagnostic-show-locus.c (compatible_locations_p): New function.
4014         (layout::layout): Sanitize ranges using compatible_locations_p.
4015
4016 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4017
4018         PR c/68473
4019         PR c++/70105
4020         * diagnostic-show-locus.c (layout_range::layout_range): Replace
4021         location_range param with three const expanded_locations * and a
4022         bool.
4023         (layout::layout): Replace call to
4024         rich_location::lazily_expand_location with get_expanded_location.
4025         Extract the range and perform location expansion here, passing
4026         the results to the layout_range ctor.
4027         * diagnostic.c (source_range::debug): Delete.
4028         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4029         of rich_location::get_expanded_location.
4030         * gcc-rich-location.c (get_range_for_expr): Delete.
4031         (gcc_rich_location::add_expr): Reimplement to avoid the
4032         rich_location::add_range overload that took a location_range,
4033         passing a location_t instead.
4034
4035 2016-03-09  Richard Biener  <rguenther@suse.de>
4036         Jakub Jelinek  <jakub@redhat.com>
4037
4038         PR tree-optimization/70138
4039         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4040         Also skip vect_double_reduction_def.
4041
4042 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4043
4044         PR target/70049
4045         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4046         if the operand is "m".
4047
4048 2016-03-09  Nathan Sidwell  <nathan@acm.org>
4049
4050         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4051
4052 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4053
4054         * config/i386/i386.c (processor_target_table): Fix cost table
4055         intialization order for znver1.
4056
4057 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4058
4059         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4060         - becuase -> because.
4061         * ipa-reference.c (ignore_module_statics): Likewise.
4062         * cgraph.c (cgraph_node::get_body): Likewise.
4063         * ipa-inline.c (early_inliner): Likewise.
4064         * ipa-devirt.c (types_same_for_odr): Likewise.
4065         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4066         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4067
4068 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4069
4070         * tree-ssa-math-opts.c: Fix typo in comment.
4071
4072 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4073
4074         PR target/70110
4075         * config/i386/i386.c (scalar_chain::make_vector_copies,
4076         scalar_chain::convert_reg): Call end_sequence in between
4077         get_insns and emit_conversion_insns rather than after both
4078         calls.
4079
4080 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
4081
4082         PR target/70064
4083         * config/i386/i386.h (machine_function): Add
4084         pc_thunk_call_expanded flag.
4085         (ix86_pc_thunk_call_expanded): New define.
4086         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4087         (*set_got): Rename insn pattern from set_got.
4088         (*set_got_labelled): Rename inst pattern from set_got_labelled.
4089         * config/i386/i386.c (ix86_compute_frame_layout): Use
4090         ix86_pc_thunk_call_expanded to prevent red-zone.
4091
4092 2016-03-07  Martin Jambor  <mjambor@suse.cz>
4093
4094         * hsa.h (hsa_get_ctor_statements): Declare.
4095         (hsa_get_dtor_statements): Likewise.
4096         (hsa_get_kernel_dispatch_type): Likewise.
4097         * hsa.c (hsa_get_ctor_statements): New function.
4098         (hsa_get_dtor_statements): Likewise.
4099         (hsa_get_kernel_dispatch_type): Likewise.
4100         * hsa-brig.c (hsa_cdtor_statements): Removed.
4101         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4102         hsa_get_dtor_statements.
4103         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4104         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4105
4106 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4107
4108         * config/arm/arm-cores.def (cortex-r8): New.
4109         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4110         * config/arm/arm-tune.md: Likewise.
4111         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4112
4113 2016-03-07  Martin Sebor  <msebor@redhat.com>
4114
4115         PR rtl-optimization/19705
4116         * doc/invoke.texi (Options That Control Optimization): Clarify
4117         -fno-branch-count-reg.
4118
4119 2016-02-26  Richard Biener  <rguenther@suse.de>
4120             Jeff Law  <law@redhat.com>
4121
4122         PR tree-optimization/69740
4123         * cfghooks.c (remove_edge): Request loop fixups if we delete
4124         an edge that might turn an irreducible loop into a natural
4125         loop.
4126         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4127         Move after definition of loops_state_clear.
4128
4129 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
4130
4131         PR rtl-optimization/69052
4132         * rtlanal.c (commutative_operand_precedence): Set higher precedence
4133         to CONST_WIDE_INT.
4134
4135 2016-03-07  Tom de Vries  <tom@codesourcery.com>
4136
4137         PR tree-optimization/70116
4138         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4139         is_tm_ending stmts and ubsan/asan internal functions.
4140         (find_duplicate): Use it.  Don't test is_tm_ending here.
4141
4142 2016-03-07  Richard Biener  <rguenther@suse.de>
4143
4144         PR tree-optimization/70115
4145         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4146         (propagate_constants_for_unrolling): Use replace_uses_by.
4147
4148 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
4149
4150         PR middle-end/69916
4151         * omp-low.c (struct oacc_loop): Add ifns.
4152         (new_oacc_loop_raw): Initialize it.
4153         (finish_oacc_loop): Clear mask & flags if no ifns.
4154         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4155         (oacc_loop_xform_loop): Add ifns arg & adjust.
4156         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4157
4158 2016-03-07  Richard Henderson  <rth@redhat.com>
4159
4160         PR rtl-opt/70061
4161         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4162         (insert_value_copy_on_edge): Likewise.
4163
4164 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4165
4166         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4167
4168 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4169
4170         PR target/62281
4171         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4172
4173 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4174
4175         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4176
4177 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4178
4179         Fix sseimul type attribute.
4180         * config/i386/znver1.md
4181         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4182         znver1_sseimul_avx256_load) : Fix the type attribute.
4183         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4184         pipe usage and latency.
4185
4186 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
4187
4188         PR c++/70084
4189         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4190         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4191         to the right type.
4192
4193 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4194
4195         PR c/69973
4196         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4197
4198         PR rtl-optimization/69941
4199         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4200         the reg share its mode.
4201
4202 2016-03-04  Jeff Law  <law@redhat.com>
4203
4204         PR tree-optimization/69196
4205         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4206         If the both SSA_NAMEs are anonymous, then consider them unassociated
4207         and include the PHI in the statement count.
4208
4209 2016-03-05  Tom de Vries  <tom@codesourcery.com>
4210
4211         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4212         construct in oacc routine.  Check for oacc region in oacc routine.
4213
4214 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4215
4216         PR target/70062
4217         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
4218         2016-02-22 changes, instead don't recurse if RECUR is already true.
4219         Don't change *dynamic_check if RECUR.  Adjust recursive caller
4220         to pass true to the new argument.
4221         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4222
4223         PR target/70059
4224         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4225         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4226         fixes.
4227         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
4228
4229 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4230
4231         PR rtl-optimization/57676
4232         * lra-assigns.c (lra_assign): Guard test for maximum iterations
4233         with flag_checking.
4234
4235 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
4236
4237         * tree-vect-patterns.c (search_type_for_mask): Handle
4238         comparison of booleans.
4239
4240 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4241
4242         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4243         Fix @xref usage.
4244
4245         PR debug/69947
4246         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4247         all other ops that have dw_val_class_die_ref operands,
4248         and DW_OP_GNU_entry_value.
4249
4250 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4251
4252         PR rtl-optimization/69904
4253         * config/arm/arm.c (arm_cannot_copy_insn_p):
4254         Return true for load-exclusive instructions.
4255
4256 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
4257
4258         PR target/70021
4259         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4260         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4261         the pattern no matter if it is used just by non-pattern, pattern
4262         or mix thereof.
4263         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4264         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4265         oprnd1 def_stmt is in pattern, don't look through it.
4266
4267 2016-03-03  Marek Polacek  <polacek@redhat.com>
4268
4269         PR middle-end/70050
4270         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4271
4272 2016-03-03  Martin Liska  <mliska@suse.cz>
4273
4274         PR tree-optimization/70043
4275         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4276         previous statement if we see a debug statement.
4277
4278 2016-03-03  Richard Biener  <rguenther@suse.de>
4279
4280         PR tree-optimization/55936
4281         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4282         parameter and guard unsafe equivalence use.
4283         (vrp_evaluate_conditional_warnv_with_ops): Always use
4284         safe equivalences but not via the quadratic compare_names
4285         helper.
4286
4287 2016-03-03  Michael Collison  <michael.collison@linaro.org>
4288
4289         PR target/70014
4290         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4291         for operand 1 to s_register_operand. Change predicate for operand
4292         2 to arm_not_immediate_operand.
4293
4294 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
4295
4296         * doc/tm.texi: Regenerated.
4297
4298 2016-03-02  Richard Henderson  <rth@redhat.com>
4299
4300         PR rtl-opt/67145
4301         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4302         simplification when all args are positive non-fixed registers.
4303
4304 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4305
4306         * target.def (lra_p): Specify that new ports should use LRA.
4307
4308 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4309
4310         PR libgomp/69555
4311         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4312         gimplify_type_sizes the type they refer to.
4313         (omp_notice_variable): Handle reference vars to VLAs.
4314         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4315         reference to VLA decls in the second pass instead of first pass.
4316
4317 2016-03-02  Tom de Vries  <tom@codesourcery.com>
4318
4319         PR tree-optimization/68659
4320         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4321         new_expr == NULL_TREE.
4322         (get_new_name): Handle ADDR_EXPR.
4323
4324 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
4325
4326         PR rtl-optimization/69052
4327         * loop-invariant.c (canonicalize_address): New function.
4328         (inv_can_prop_to_addr_use): Check validity of address expression
4329         which is canonicalized by above function.
4330
4331 2016-03-02  Alan Modra  <amodra@gmail.com>
4332
4333         PR ipa/69990
4334         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4335         larger alignment.
4336
4337 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4338
4339         PR target/70028
4340         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4341         (*movhi_internal): Put mask moves from and to memory separately
4342         from moves from/to GPRs.
4343
4344 2016-03-02  Richard Biener  <rguenther@suse.de>
4345
4346         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4347         GENERIC expressions in GIMPLE.
4348
4349 2016-03-02  Richard Biener  <rguenther@suse.de>
4350
4351         * config/i386/i386.c (type_natural_mode): Fix typo.
4352
4353 2016-03-02  Nick Clifton  <nickc@redhat.com>
4354
4355         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4356
4357 2016-03-02  Richard Biener  <rguenther@suse.de>
4358             Uros Bizjak  <ubizjak@gmail.com>
4359
4360         PR target/67278
4361         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4362
4363 2016-03-02  Richard Biener  <rguenther@suse.de>
4364
4365         PR middle-end/67278
4366         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4367
4368 2016-03-02  Marek Polacek  <polacek@redhat.com>
4369
4370         PR c/67854
4371         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4372         "is promoted to" warning.
4373
4374 2016-03-01  DJ Delorie  <dj@redhat.com>
4375
4376         * config.gcc: Deprecate mep-*.
4377
4378 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
4379
4380         PR middle-end/70025
4381         * lra-constraints.c (regno_val_use_in): New.
4382         (match_reload): Use it instead of regno_use_in.
4383
4384 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4385
4386         PR rtl-optimization/70007
4387         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4388         references present in REG_EQUAL notes attached to non-SET patterns.
4389
4390 2016-03-01  Jeff Law  <law@redhat.com>
4391
4392         PR tree-optimization/69196
4393         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4394         Appropriately clamp the number of statements to copy when the
4395         thread path does not traverse a loop backedge.
4396
4397         PR tree-optimization/69196
4398         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4399         Do count some PHIs in the thread path against the insn count.  Decrease
4400         final statement count by one as the control statement in the last
4401         block will get removed.  Remove special cased code for handling PHIs
4402         in the last block.
4403
4404 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
4405
4406         PR target/70027
4407         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4408         asm dialect alternatives to explicit GOTPCREL calls.
4409
4410 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4411
4412         PR ada/70017
4413         * ira.c (do_reload): Issue warning for generic stack checking here...
4414         * reload1.c (reload): ...instead of here and streamline it.
4415
4416 2016-03-01  Nick Clifton  <nickc@redhat.com>
4417
4418         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4419
4420 2016-03-01  Richard Biener  <rguenther@suse.de>
4421
4422         PR tree-optimization/69983
4423         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4424         types and fall back to operand_equal_p.
4425
4426 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4427
4428         Revert
4429         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4430
4431         * config/s390/constraints.md ("jm8"): New constraint.
4432         * config/s390/predicates.md ("const_int_8bitset_operand"): New
4433         predicate.
4434         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4435         into ...
4436         ("*setmem_long<setmem_and>"): New pattern.
4437         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4438         into ...
4439         ("*setmem_long_31z<setmem_and>"): New pattern.
4440         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4441         New substitution rules with the required attributes.
4442
4443
4444 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4445
4446         Revert
4447         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4448
4449         * gensupport.c (process_substs_on_one_elem): Split loop to
4450         complete mark_operands_used_in_match_dup on all expressions in the
4451         vector first.
4452         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4453         and remove function.
4454
4455 2016-03-01  Richard Biener  <rguenther@suse.de>
4456
4457         PR middle-end/70022
4458         * fold-const.c (fold_indirect_ref_1): Fix range checking for
4459         vector BIT_FIELD_REF extract.
4460
4461 2016-03-01  Richard Biener  <rguenther@suse.de>
4462
4463         PR tree-optimization/69994
4464         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4465
4466 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
4467
4468         PR tree-optimization/69956
4469         * tree-vect-stmts.c (supportable_widening_operation): Support
4470         multi-step conversion of boolean vectors.
4471         (supportable_narrowing_operation): Likewise.
4472
4473 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4474
4475         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4476         anymore.
4477
4478 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4479
4480         * config/s390/subst.md (DSI_VI): New mode iterator.
4481         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4482         * config/s390/vector.md ("vec_set<mode>"): Move expander before
4483         the insn definition.
4484         ("*vec_set<mode>"): Change predicate and add alternative to
4485         support only either register or const_int operands as element
4486         selector.
4487         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4488         operands.
4489         ("vec_extract<mode>"): New expander.
4490         ("*vec_extract<mode>"): New insn definition supporting reg and
4491         const_int element selectors.
4492         ("*vec_extract<mode>_plus"): New insn definition supporting
4493         reg+const_int element selectors.
4494         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4495         following expander+insn definition.
4496         ("<vec_shifts_name><mode>3"): New expander.
4497         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4498
4499 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4500
4501         * config/s390/s390.md ("*tabort_1"): Change predicate to
4502         nonmemory_operand.  Add a second alternative to cover
4503         register as well as const int operands.
4504         ("*tabort_1_plus"): New pattern definition.
4505
4506 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4507
4508         * config/s390/s390.md ("*ashrdi3_cc_31")
4509         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4510         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4511         Merge insn definitions into ...
4512         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4513         New pattern definition.
4514         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4515         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4516         ("*ashr<mode>3_and"): Merge insn definitions into ...
4517         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4518         New pattern definition.
4519         * config/s390/subst.md ("addr_style_op_cc_subst")
4520         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4521         substitutions patterns plus attributes.
4522         Add ashiftrt to SUBST iterator.
4523
4524 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4525
4526         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4527         op2 to nonmemory_operand.
4528         ("*<shift>di3_31", "*<shift>di3_31_and"):
4529         Merge into single pattern definition ...
4530         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4531         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4532         pattern definition ...
4533         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4534         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4535         iterator.
4536
4537 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4538
4539         * config/s390/predicates.md (const_int_6bitset_operand): New
4540         predicate.
4541         * config/s390/s390.md: Include subst.md.
4542         ("rotl<mode>3"): New expander.
4543         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4544         ...
4545         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4546         * config/s390/subst.md: New file.
4547
4548 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4549
4550         * config/s390/s390.md ("op_type", "atype", "length" attributes):
4551         Remove RRR type.  It doesn't really exist.
4552         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4553         attributes.
4554         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4555         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4556         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4557         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4558         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4559         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4560         `enabled' attribute.
4561
4562 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4563
4564         * gensupport.c (process_substs_on_one_elem): Split loop to
4565         complete mark_operands_used_in_match_dup on all expressions in the
4566         vector first.
4567         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4568         and remove function.
4569
4570 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4571
4572         PR target/69706
4573         * config/sparc/sparc.c (NWORDS_UP): Rename to...
4574         (CEIL_NWORDS): ...this.  Use CEIL macro.
4575         (compute_fp_layout): Adjust to above renaming.
4576         (function_arg_union_value): Likewise.
4577         (sparc_arg_partial_bytes): Likewise.
4578         (sparc_function_arg_advance): Likewise.
4579
4580 2016-02-29  Jeff Law  <law@redhat.com>
4581
4582         PR tree-optimization/70005
4583         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4584         where an object with a boolean range is compared against a value
4585         outside [0..1].
4586
4587         PR tree-optimization/69999
4588         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4589         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4590         loop cleanups.
4591
4592 2016-02-29  Richard Biener  <rguenther@suse.de>
4593
4594         PR tree-optimization/69994
4595         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4596         (get_unary_op): Look through nop conversions.
4597         (ops_equal_values_p): New function, look for equality diregarding
4598         nop conversions.
4599         (eliminate_plus_minus_pair): Use ops_equal_values_p
4600         (repropagate_negates): Do not use get_unary_op here.
4601
4602 2016-02-29  Martin Liska  <mliska@suse.cz>
4603
4604         * system.h: Poison ENABLE_CHECKING macro.
4605
4606 2016-02-29  Martin Liska  <mliska@suse.cz>
4607
4608         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4609         is presented in dump flags.
4610         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4611         (hsa_regalloc): Likewise.
4612
4613 2016-02-19  Richard Biener  <rguenther@suse.de>
4614
4615         PR tree-optimization/69980
4616         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4617         permutation of those we need to keep.
4618
4619 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4620
4621         PR target/69706
4622         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4623         (NWORDS_UP): ...this
4624         (init_cumulative_args): Minor tweaks.
4625         (sparc_promote_function_mode): Likewise.
4626         (scan_record_type): Delete.
4627         (traverse_record_type): New function template.
4628         (classify_data_t): New structure type.
4629         (classify_registers): New inline function.
4630         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4631         exhausted.  Instantiate traverse_record_type on classify_registers and
4632         deal with the case of a structure passed in slot #15 with no FP field
4633         in the first word.
4634         (assign_data_t): New structure type.
4635         (compute_int_layout): New static function.
4636         (compute_fp_layout): Likewise.
4637         (count_registers): New inline function.
4638         (assign_int_registers): New static function.
4639         (assign_fp_registers): Likewise.
4640         (assign_registers): New inline function.
4641         (function_arg_record_value_1): Delete.
4642         (function_arg_record_value_2): Likewise.
4643         (function_arg_record_value_3): Likewise.
4644         (function_arg_record_value): Adjust to above changes.  Instantiate
4645         traverse_record_type on count_registers to first count the number of
4646         registers to be used and then on assign_registers to assign them.
4647         (function_arg_union_value): Adjust to above renaming.
4648         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
4649         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
4650         case of a structure passed in slot #15
4651         (sparc_function_arg_advance): Likewise.
4652         (function_arg_padding): Minor tweak.
4653
4654 2016-02-29  Richard Biener  <rguenther@suse.de>
4655
4656         PR tree-optimization/69720
4657         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4658         the adjustment_def path for possibly vectorized defs.
4659         (vect_create_epilog_for_reduction): Handle vectorized initial
4660         defs properly.
4661
4662 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4663
4664         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4665
4666 2016-02-27  Jeff Law  <law@redhat.com>
4667
4668         Revert
4669         2016-02-26  Richard Biener  <rguenther@suse.de>
4670                     Jeff Law  <law@redhat.com>
4671
4672         PR tree-optimization/69740
4673         * cfghooks.c (remove_edge): Request loop fixups if we delete
4674         an edge that might turn an irreducible loop into a natural
4675         loop.
4676
4677 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
4678
4679         PR rtl-optimization/69896
4680         * tree-vect-generic.c (get_compute_type): Avoid single element
4681         vector types.
4682
4683 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
4684
4685         Rename the AArch64 tuning option and related functions to enable the
4686         Newton series for the reciprocal square root to reflect its
4687         approximative characteristic.
4688
4689         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4690         function to "aarch64_emit_approx_rsqrt".
4691         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4692         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4693         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4694         (xgene1_tunings): Likewise.
4695         (use_rsqrt_p): Likewise.
4696         (aarch64_emit_swrsqrt): Use new function name.
4697         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4698         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4699         text explaining this option.
4700         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4701
4702 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4703
4704         PR target/69969
4705         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4706         complain about -mallow-movmisalign without -mvsx if
4707         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4708
4709 2016-02-26  Joel Sherrill  <joel@rtems.org>
4710
4711         * config.gcc: Add x86_64-*-rtems*.
4712         * gcc/config/i386/rtems-64.h: New file.
4713
4714 2016-02-26  Joel Sherrill  <joel@rtems.org>
4715
4716         * config.gcc: Add aarch64-*-rtems*.
4717         * gcc/config/aarch64/rtems.h: New file.
4718
4719 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
4720
4721         PR target/69946
4722         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4723         shift amount using %h.  Add comment.
4724
4725 2016-02-26  Richard Biener  <rguenther@suse.de>
4726             Jeff Law  <law@redhat.com>
4727
4728         PR tree-optimization/69740
4729         * cfghooks.c (remove_edge): Request loop fixups if we delete
4730         an edge that might turn an irreducible loop into a natural
4731         loop.
4732
4733 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4734
4735         PR middle-end/69920
4736         * tree-sra.c (sra_modify_assign): Do not remove loads of
4737         uninitialized aggregates to SSA_NAMEs.
4738
4739 2016-02-26  Richard Henderson  <rth@redhat.com>
4740
4741         PR target/69709
4742         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
4743         pseudo in case the target rtx matches the source of the left
4744         shift.
4745
4746 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4747
4748         PR hsa/69568
4749         * hsa.h (hsa_type_packed_p): Declare.
4750         * hsa.c (hsa_type_packed_p): New function.
4751         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
4752         loads.
4753         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
4754         * hsa-brig.c (emit_basic_insn): Likewise.
4755
4756 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4757
4758         pr hsa/69674
4759         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
4760         pointers.
4761         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
4762
4763 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4764
4765         * hsa.h (is_a_helper): New overload for hsa_op_immed for
4766         hsa_op_with_type operands.
4767         (hsa_unsigned_type_for_type): Declare.
4768         * hsa.c (hsa_unsigned_type_for_type): New function.
4769         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
4770         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
4771         the finalizer.  Do not emit extra move.
4772
4773 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4774
4775         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
4776         atomic operations in private segment.
4777
4778 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4779
4780         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
4781         statements to wi->info.  Also disallow omp simd constructs.
4782         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
4783         for not gridifying.  Dump special string for omp_for.
4784
4785 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4786
4787         PR target/69245
4788         * config/aarch64/aarch64.c (aarch64_set_current_function):
4789         Save/restore target globals when switching to
4790         target_option_default_node.
4791
4792 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4793
4794         PR target/69613
4795         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
4796         Return 0 if !SHIFT_COUNT_TRUNCATED.
4797
4798 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4799             Eric Botcazou  <ebotcazou@adacore.com>
4800
4801         PR rtl-optimization/69891
4802         * dse.c (scan_insn): If we can't figure out memset arguments
4803         or they are non-constant, call clear_rhs_from_active_local_stores.
4804
4805 2016-02-26  Martin Liska  <mliska@suse.cz>
4806
4807         * doc/extend.texi: Mention clog10, clog10f an clog10l
4808         in Builtins section.
4809
4810 2016-02-26  Martin Liska  <mliska@suse.cz>
4811
4812         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
4813         CHECKING_P.
4814         (resolve_args_picking_1): Likewise.
4815         * dwarf2out.h (struct GTY): Likewise.
4816
4817 2016-02-26  Martin Liska  <mliska@suse.cz>
4818
4819         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
4820         with flag_checking.
4821         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4822
4823 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
4824             Martin Liska  <mliska@suse.cz>
4825
4826         * doc/install.texi: Mention --enable-valgrind-annotations.
4827
4828 2016-02-26  Richard Biener  <rguenther@suse.de>
4829
4830         PR tree-optimization/69551
4831         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
4832         looking through aliases adjust DECL_PT_UID to refer to the
4833         ultimate alias target.
4834
4835 2016-02-25  Martin Liska  <mliska@suse.cz>
4836
4837         PR middle-end/69919
4838         * alloc-pool.c (after_memory_report): New variable.
4839         * alloc-pool.h (base_pool_allocator ::release): Do not use
4840         the infrastructure if after_memory_report.
4841         * toplev.c (toplev::main): Mark after memory report.
4842
4843 2016-02-25  Richard Biener  <rguenther@suse.de>
4844
4845         PR tree-optimization/48795
4846         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
4847
4848 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
4849
4850         PR driver/68463
4851         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
4852         offloading is enabled and -fopenacc or -fopenmp is specified.
4853         (CRTOFFLOADEND): Likewise.
4854         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
4855         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
4856         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
4857         (offload_objects_file_name): New static var.
4858         (tool_cleanup): Remove offload_objects_file_name file.
4859         (find_offloadbeginend): Replace with ...
4860         (find_crtoffloadtable): ... this.
4861         (run_gcc): Remove offload_argc and offload_argv.
4862         Get offload_objects_file_name from -foffload-objects=... option.
4863         Read names of object files with offload from this file, pass them to
4864         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
4865         don't pass offloadbegin and offloadend to the linker.  Don't pass
4866         offload non-LTO files to the linker, because now they're not claimed.
4867
4868 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
4869
4870         PR ipa/69630
4871         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4872         on builtin_unreachable.
4873
4874 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
4875
4876         PR rtl-optimization/69896
4877         * regcprop.c: Include cfgrtl.h.
4878         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
4879         than remembered mode, either delete it (if noop_move_p), or
4880         treat like copy_p but not noop_p instruction.
4881
4882 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4883
4884         PR debug/69705
4885         * dwarf2out.c (gen_variable_die): Work around buggy LTO
4886         - allow NULL decl for Fortran DW_TAG_common_block variables.
4887
4888 2016-02-24  Jason Merrill  <jason@redhat.com>
4889
4890         * common.opt (flifetime-dse): Add -flifetime-dse=1.
4891
4892 2016-02-24  Richard Biener  <rguenther@suse.de>
4893             Jakub Jelinek  <jakub@redhat.com>
4894
4895         PR middle-end/69760
4896         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
4897         conditionally executed ops to well-defined overflow behavior.
4898
4899 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4900
4901         PR middle-end/69915
4902         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
4903         elements.
4904
4905 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4906
4907         PR rtl-optimization/69886
4908         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
4909         argument.  Use it when checking validity of set instructions.
4910         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
4911         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
4912         callsite.
4913         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
4914         * store-motion.c (find_moveable_store): Update
4915         can_assign_to_reg_without_clobbers_p callsite.
4916
4917 2016-02-24  Richard Biener  <rguenther@suse.de>
4918
4919         PR middle-end/68963
4920         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
4921         bogus check.
4922         (record_nonwrapping_iv): Do not fall back to the low/high bound
4923         for non-constant IV bases if the stmt is not always executed.
4924
4925 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4926
4927         * config/arm/arm-cores.def (cortex-a32): New entry.
4928         * config/arm/arm-tables.opt: Regenerate.
4929         * config/arm/arm-tune.md: Regenerate.
4930         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
4931         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
4932         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
4933         for -mcpu and -mtune.
4934
4935 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4936
4937         PR target/69875
4938         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
4939         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
4940         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
4941         (atomic_loaddi_1): Delete.
4942         (atomic_loaddi): Rewrite expander using the above changes.
4943
4944 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4945
4946         PR c/69918
4947         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
4948         2 to 3.
4949
4950 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
4951             Richard Biener  <rguenth@suse.de>
4952
4953         PR middle-end/69909
4954         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
4955         set_mem_attributes if tem is SSA_NAME which got expanded
4956         as a MEM.
4957
4958 2016-02-24  Richard Biener  <rguenther@suse.de>
4959
4960         PR tree-optimization/69907
4961         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
4962         end of permutations for BB vectorization.
4963
4964 2016-02-24  Christian Bruel  <christian.bruel@st.com>
4965
4966         * config/arm/arm-c.c (arm_option_override): Initialize
4967         target_option_current_node.
4968         * config/arm/arm.c (arm_pragma_target_parse): Replace
4969         build_target_option_node call by target_option_current_node.
4970         Set target_option_current_node.
4971         Fix comments.
4972
4973 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
4974
4975         PR target/69810
4976         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
4977         define_insn_and_split to define_insn.
4978         (zero_extendqi<mode>2_dot2): Same.
4979         (extendqi<mode>2_dot): Same.
4980         (extendqi<mode>2_dot2): Same.
4981
4982 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
4983
4984         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
4985         and add bypass for AES{D,E} and AESMC pairs.
4986         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
4987         and AESMC pairs.
4988
4989 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
4990
4991         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
4992         series for reciprocal square root in Exynos M1.
4993
4994 2016-02-23  Martin Sebor  <msebor@redhat.com>
4995
4996         PR c/69759
4997         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
4998         __builtin_alloca_with_align.
4999
5000 2016-02-23  Richard Henderson  <rth@redhat.com>
5001
5002         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5003         (ix86_register_pragmas): Remove __seg_tls.
5004         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5005         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5006         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5007         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5008         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5009         * doc/extend.texi (__seg_tls): Remove item.
5010
5011 2016-02-23  Richard Biener  <rguenther@suse.de>
5012
5013         * alloc-pool.h (struct allocation_object): Make id member
5014         conditional on CHECKING_P again.
5015         (get_instance): Adjust.
5016         (base_pool_allocator): Likewise.
5017
5018 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
5019
5020         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5021         (parallelize_loops): In OpenACC kernels mode, set n_threads to
5022         zero.
5023         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5024         flag_openacc.
5025         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5026
5027 2016-02-23  Richard Biener  <rguenther@suse.de>
5028
5029         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5030         * bitmap.h (struct bitmap_usage): Likewise.
5031         (bitmap_move): Declare.
5032         * bitmap.c (register_overhead): Take size_t argument.
5033         (bitmap_move): New function.
5034         * df-problems.c (df_rd_transfer_function): Use bitmap_move
5035         to properly account overhead.
5036         * tree.c (free_node): Use tree_size.
5037
5038 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
5039
5040         PR c++/69902
5041         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5042         when inverting comparison.
5043
5044         PR c/69900
5045         * common.opt (Wunreachable-code): Add Warning flag.
5046
5047 2016-02-23  Mark Wielaard  <mjw@redhat.com>
5048             Jakub Jelinek  <jakub@redhat.com>
5049
5050         PR c/69911
5051         * cgraphunit.c (check_global_declaration): Check main_input_filename
5052         and DECL_SOURCE_FILE are not NULL.
5053
5054 2016-02-23  Martin Jambor  <mjambor@suse.cz>
5055
5056         PR tree-optimization/69666
5057         * tree-sra.c (sra_modify_assign): Do not attempt to create
5058         default_def replacements for unscalarizable regions.
5059
5060 2016-02-20  Mark Wielaard  <mjw@redhat.com>
5061
5062         PR c/28901
5063         * cgraphunit.c (check_global_declaration): Check level of
5064         warn_unused_const_variable and main_input_filename.
5065         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5066         (-Wunused-variable): For C implies -Wunused-const-variable=1.
5067         (-Wunused-const-variable): Explain levels 1 and 2.
5068
5069 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5070
5071         PR target/69888
5072         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5073         identical arguments.  Formatting and spelling fixes.
5074
5075         PR target/69885
5076         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5077         be specified.
5078
5079         PR target/69894
5080         PR target/69895
5081         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5082         and m68k-devices.def.
5083         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5084         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5085
5086 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
5087
5088         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5089         and HImode registers.
5090
5091 2016-02-22  Richard Biener  <rguenther@suse.de>
5092
5093         PR tree-optimization/69882
5094         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5095         preserve permutations present because of gaps.
5096         (vect_supported_load_permutation_p): Always continue checking
5097         permutations after vect_attempt_slp_rearrange_stmts.
5098
5099 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
5100
5101         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5102         min_profitable_estimate, rather than min_profitable_iters.
5103
5104 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5105
5106         PR target/69885
5107         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5108         SImode for last match_operand.
5109
5110 2016-02-22  Martin Liska  <mliska@suse.cz>
5111
5112         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5113         return bitsize - 1 as the return value.
5114
5115 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
5116
5117         PR target/69806
5118         PR target/54089
5119         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5120         Handle negative shift counts.
5121         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5122         force_reg on the shift constant.
5123         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
5124         (lshrsi3_d): Handle negative shift counts.
5125
5126 2016-02-22  Richard Biener  <rguenther@suse.de>
5127             Tom de Vries  <tom@codesourcery.com>
5128
5129         * graph.c: Include dumpfile.h.
5130         (print_graph_cfg): Split into three overloads.
5131         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5132
5133 2016-02-22  Tom de Vries  <tom@codesourcery.com>
5134
5135         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5136         dump-fn.
5137
5138 2016-02-22  Richard Biener  <rguenther@suse.de>
5139
5140         PR ipa/37448
5141         * ipa-inline-transform.c (inline_call): When not updating
5142         overall summaries adjust self size by the growth estimate.
5143         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5144         hash-set, do not update overall summaries here.  Renamed from ...
5145         (inline_to_all_callers): ... this which is now wrapping the
5146         above and performing delayed overall summary update.
5147         (early_inline_small_functions): Delay updating of the overall
5148         summary.
5149
5150 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
5151
5152         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5153         variable.
5154
5155 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5156
5157         PR driver/69805
5158         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5159         :%* in %:gt() argument.
5160         (greater_than_spec_func): Adjust for expecting only numbers,
5161         if there are more than two numbers, compare the last two.
5162
5163 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
5164
5165         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5166         -Wnarrowing with -std.
5167
5168 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5169
5170         PR c++/69851
5171         * expr.c (store_field): Don't use bit-field path if exp is
5172         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5173         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5174         and the assignment can be performed by bitwise copy.  Formatting
5175         fix.
5176
5177         PR middle-end/69838
5178         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5179         call copy_reg_eh_region_note_forward on before and/or after sequences
5180         and remove note from insn if it no longer can throw.
5181
5182         PR target/69820
5183         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5184         if TARGET_AVX512BW.
5185
5186 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5187
5188         * config/s390/vector.md: Add missing commutative operand markers
5189         to the patterns which qualify for one.
5190         * config/s390/vx-builtins.md: Likewise.
5191
5192 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5193
5194         * config/s390/vector.md (VI, VI_QHS): Add single element vector
5195         types to mode iterators.
5196         (vec_double): ... and mode attribute.
5197         * config/s390/vx-builtins.md (non_vec_int): Likewise.
5198
5199 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5200
5201         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5202         Change the predicate of op2 from nonimmediate to general and let
5203         reload fix it if necessary.
5204
5205 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5206
5207         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5208
5209 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5210
5211         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5212         mode.
5213
5214 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5215
5216         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5217         * config/s390/s390.c (s390_expand_vec_movstr): New function.
5218         * config/s390/s390.md ("movstr<P:mode>"): Call
5219         s390_expand_vec_movstr.
5220
5221 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5222
5223         * config/s390/s390.md: Add missing output modifier for operand 1
5224         to print it as address properly.
5225
5226 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5227
5228         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5229         * config/s390/2964.md: New file.
5230         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5231         of insn grouping attributes depending on the CPU level.
5232         (s390_get_unit_mask): New function.
5233         (s390_sched_score): Remove the OOO from the scheduling macros.
5234         Add loop to calculate a score for the instruction mix.
5235         (s390_sched_reorder): Likewise plus improve debug output.
5236         (s390_sched_variable_issue): Rename macros as above.  Calculate
5237         the unit distances after actually scheduling an insn.  Improve
5238         debug output.
5239         (s390_sched_init): Clear last_scheduled_unit_distance array.
5240         * config/s390/s390.md: Include 2964.md.
5241
5242 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5243
5244         PR target/69671
5245         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5246         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5247         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5248         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5249         *avx512f_<code>v8div16qi2_mask_1): New insns.
5250
5251 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5252
5253         PR target/68404
5254         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5255         2016-02-09 change.
5256
5257         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5258         earlyclobber from target.  Use wF constraint for fused memory
5259         address.
5260         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5261
5262 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5263             Martin Liska  <mliska@suse.cz>
5264
5265         PR sanitizer/69863
5266         * cfgexpand.c (asan_sanitize_stack_p): New function.
5267         (partition_stack_vars): Use the function.
5268         (expand_stack_vars): Likewise.
5269         (defer_stack_allocation): Likewise.
5270         (expand_used_vars): Likewise.
5271
5272 2016-02-18  Richard Biener  <rguenther@suse.de>
5273
5274         PR middle-end/69553
5275         * fold-const.c (operand_equal_p): Properly compare offsets for
5276         IMAGPART_EXPR and ARRAY_REF.
5277
5278 2016-02-18  Nick Clifton  <nickc@redhat.com>
5279
5280         PR target/62254
5281         PR target/69610
5282         * config/arm/arm.c (arm_option_override_internal): Disable
5283         interworking if the target does not support thumb instructions.
5284         (arm_reload_in_hi): Handle the case where a register to register
5285         move needs reloading because there is no simple pattern to handle
5286         it.
5287         (arm_reload_out_hi): Likewise.
5288
5289 2016-02-18  Richard Biener  <rguenther@suse.de>
5290
5291         PR middle-end/69854
5292         * match.pd: Don't use fold_binary or fold_unary for folding
5293         constants.
5294
5295 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
5296
5297         PR c++/69850
5298         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5299         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5300         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5301         warn on gimple_no_warning_p statements.
5302
5303 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
5304
5305         * doc/extend.texi (C++ Attributes): Correct description of
5306         warn_unused type attribute.
5307
5308 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5309
5310         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5311         correct instruction.
5312
5313 2016-02-17  Richard Biener  <rguenther@suse.de>
5314
5315         PR rtl-optimization/69609
5316         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5317         (find_traces_1_round): When ending a trace update cached priority
5318         of successors.
5319         (bb_to_key): Use cached priority when available.
5320         (copy_bb): Initialize cached priority.
5321         (reorder_basic_blocks_software_trace_cache): Likewise.
5322
5323 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5324
5325         PR target/69161
5326         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5327         New predicate.
5328         (aarch64_comparison_operator): Break overly long line into two.
5329         (aarch64_comparison_operation): Likewise.
5330         * config/aarch64/aarch64.md (cstorecc4): Use
5331         aarch64_comparison_operator_mode instead of
5332         aarch64_comparison_operator.
5333         (cstore<mode>4): Likewise.
5334         (aarch64_cstore<mode>): Likewise.
5335         (*cstoresi_insn_uxtw): Likewise.
5336         (cstore<mode>_neg): Likewise.
5337         (*cstoresi_neg_uxtw): Likewise.
5338
5339 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5340
5341         PR target/69161
5342         * config/arm/predicates.md (arm_comparison_operator_mode):
5343         New predicate.
5344         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5345         instead of arm_comparison_operator.
5346         (*mov_negscc): Likewise.
5347         (*mov_notscc): Likewise.
5348         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5349         (*thumb2_mov_negscc): Likewise.
5350         (*thumb2_mov_negscc_strict_it): Likewise.
5351         (*thumb2_mov_notscc): Likewise.
5352         (*thumb2_mov_notscc_strict_it): Likewise.
5353
5354 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
5355
5356         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5357         Add missing return.
5358
5359 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
5360
5361         * config/visium/visium.c (machine_libfunc_index): New enum.
5362         (machine_libfuncs): New structure.
5363         (visium_libfuncs): New static variable.
5364         (TARGET_INIT_LIBFUNCS): Define to...
5365         (visium_init_libfuncs): ...this.  New function.
5366         (expand_block_move_4): Use the appropriate libfunc.
5367         (expand_block_move_2): Likewise.
5368         (expand_block_move_1): Likewise.
5369         (expand_block_set_4): Likewise.
5370         (expand_block_set_2): Likewise.
5371         (expand_block_set_1): Likewise.
5372         (visium_trampoline_init): Likewise.
5373
5374 2016-02-17  Nick Clifton  <nickc@redhat.com>
5375
5376         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5377         TI's devices.csv file as of March 2016.
5378
5379 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5380
5381         PR Target/48344
5382         * opts-global.c (handle_common_deferred_options): Introduce and
5383         initialize two global variables to remember command-line options
5384         specifying a stack-limiting register.
5385         * opts.h: Add extern declarations of the two new global variables.
5386         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5387         variable based on the values of the two new global variables.
5388
5389 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5390
5391         PR c/69835
5392         * common.opt (Wnonnull-compare): New warning.
5393         * doc/invoke.texi (-Wnonnull): Remove text about comparison
5394         of arguments against NULL.
5395         (-Wnonnull-compare): Document.
5396         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5397         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5398         * passes.def (pass_warn_nonnull_compare): Add.
5399         * gimple-ssa-nonnull-compare.c: New file.
5400
5401 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5402
5403         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5404         AARCH64_EXTRA_TUNE_RECIP_SQRT.
5405
5406 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5407
5408         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5409         reciprocal sqrt for -mlow-precision-recip-sqrt.
5410
5411 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5412             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5413
5414         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5415         always use lane loads to construct non-constant vectors.
5416
5417 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5418
5419         * config/aarch64/aarch64.md
5420         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5421         constraints for operand 3.
5422         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5423
5424 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5425             Richard Biener  <rguenther@suse.de>
5426
5427         PR tree-optimization/69820
5428         * tree-vect-patterns.c (type_conversion_p): Return false if
5429         *orig_type is unsigned single precision or boolean.
5430         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5431         Formatting fix.
5432
5433 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5434
5435         PR rtl-optimization/69764
5436         PR rtl-optimization/69771
5437         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5438         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5439
5440 2016-02-16  Richard Biener  <rguenther@suse.de>
5441
5442         PR tree-optimization/69776
5443         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5444         sets from caller.
5445         (indirect_refs_may_alias_p): Likewise.
5446         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5447         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5448         according to tbaa_p.
5449         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5450         (optimize_stmt): For redundant store discovery do not allow tbaa.
5451
5452 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
5453
5454         PR tree-optimization/69714
5455         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5456         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5457
5458 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
5459
5460         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5461         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5462         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5463         * config/arc/arc.c (arc_init): Check FPU options.
5464         (get_arc_condition_code): Handle new CC_FPU* modes.
5465         (arc_select_cc_mode): Likewise.
5466         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5467         register pair only. Allow access for ARCv2 accumulator.
5468         (gen_compare_reg): Whenever we have FPU support use FPU compare
5469         instructions.
5470         (arc_reorg): Don't generate brcc insns when FPU compare
5471         instructions are involved.
5472         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5473         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5474         floating point emulation.
5475         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5476         (REVERSE_CONDITION): Add new CC_FPU* modes.
5477         (TARGET_FP_SP_BASE): Define.
5478         (TARGET_FP_DP_BASE): Likewise.
5479         (TARGET_FP_SP_FUSED): Likewise.
5480         (TARGET_FP_DP_FUSED): Likewise.
5481         (TARGET_FP_SP_CONV): Likewise.
5482         (TARGET_FP_DP_CONV): Likewise.
5483         (TARGET_FP_SP_SQRT): Likewise.
5484         (TARGET_FP_DP_SQRT): Likewise.
5485         (TARGET_FP_DP_AX): Likewise.
5486         * config/arc/arc.md (ARCV2_ACC): New constant.
5487         (type): New fpu type attribute.
5488         (SDF): Conditional iterator.
5489         (cstore<mode>, cbranch<mode>): Change expand condition.
5490         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5491         handles FPU/FPX cases as well.
5492         * config/arc/arc.opt (mfpu): New option.
5493         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5494         Renamed.
5495         (adddf3, muldf3, subdf3): Removed.
5496         * config/arc/predicates.md (proper_comparison_operator): Recognize
5497         CC_FPU* modes.
5498         * config/arc/fpu.md: New file.
5499         * doc/invoke.texi (ARC Options): Document mfpu option.
5500
5501 2016-02-16  Richard Biener  <rguenther@suse.de>
5502
5503         PR rtl-optimization/69291
5504         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5505         noce_operand_ok check.
5506
5507 2016-02-16  Tom de Vries  <tom@codesourcery.com>
5508
5509         PR lto/67709
5510         * omp-low.c (simd_clone_create): Remove call to
5511         symtab->call_cgraph_insertion_hooks.
5512
5513 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5514
5515         PR tree-optimization/69802
5516         * tree-ssa-reassoc.c (update_range_test): If op is
5517         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5518         op == 1 test of precision 1 integral op, otherwise handle
5519         that case as op itself.  Fix up formatting.
5520         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5521         up formatting.
5522
5523 2016-02-16  Richard Biener  <rguenther@suse.de>
5524
5525         PR tree-optimization/69586
5526         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5527         types for conversion sources.
5528
5529 2016-02-16  Richard Biener  <rguenther@suse.de>
5530
5531         PR middle-end/69801
5532         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5533         mask OEP_ADDRESS_OF.
5534
5535 2016-02-16  Alan Modra  <amodra@gmail.com>
5536
5537         PR target/68973
5538         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5539         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5540         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5541         (p8_mtvsrwz): New.
5542         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5543         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5544         (p8_fmrgow_<mode>): Likewise.
5545         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
5546         changes.
5547         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5548         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5549         to use movdi_internal64.  Remove op0_di.
5550         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5551
5552 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
5553
5554         Add support for the FCCMP insn types
5555
5556         * config/aarch64/aarch64.md (fccmp): Change insn type.
5557         (fccmpe): Likewise.
5558         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5559         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5560         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5561         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5562         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5563         * config/arm/types.md (fccmps): Add new insn type.
5564         (fccmpd): Likewise.
5565
5566 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5567
5568         * alias.c (get_alias_set): Fix a typo in comment.
5569
5570 2016-02-15  Richard Biener  <rguenther@suse.de>
5571
5572         PR tree-optimization/69595
5573         * match.pd: Complete range test simplification to true.
5574
5575 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
5576
5577         PR rtl-optimization/69648
5578         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5579         pic_offset_table_rtx.
5580
5581         PR rtl-optimization/69752
5582         * ira.c (update_equiv_regs): When looking for more than a single SET,
5583         also take other side effects into account.
5584
5585 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5586
5587         * config/s390/s390.c (s390_function_profiler): Add a new sequence
5588         for z900+ CPUs in 31-bit mode.
5589
5590 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5591
5592         * common/config/s390/s390-common.c (s390_supports_split_stack):
5593         New function.
5594         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5595         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5596         * config/s390/s390.c (struct machine_function): New field
5597         split_stack_varargs_pointer.
5598         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5599         in s390_emit_prologue.
5600         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5601         vararg pointer.
5602         (morestack_ref): New global.
5603         (SPLIT_STACK_AVAILABLE): New macro.
5604         (s390_expand_split_stack_prologue): New function.
5605         (s390_live_on_entry): New function.
5606         (s390_va_start): Use split-stack vararg pointer if appropriate.
5607         (s390_asm_file_end): Emit the split-stack note sections.
5608         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5609         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5610         (UNSPECV_SPLIT_STACK_CALL): New unspec.
5611         (UNSPECV_SPLIT_STACK_DATA): New unspec.
5612         (split_stack_prologue): New expand.
5613         (split_stack_space_check): New expand.
5614         (split_stack_data): New insn.
5615         (split_stack_call): New expand.
5616         (split_stack_call_*): New insn.
5617         (split_stack_cond_call): New expand.
5618         (split_stack_cond_call_*): New insn.
5619
5620 2016-02-15  Richard Biener  <rguenther@suse.de>
5621
5622         PR tree-optimization/69783
5623         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5624         Add trivially correct cases.
5625
5626 2016-02-15  Tom de Vries  <tom@codesourcery.com>
5627
5628         PR lto/69655
5629         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5630         do_force_output.
5631         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5632
5633 2016-02-15  Richard Biener  <rguenther@suse.de>
5634
5635         PR tree-optimization/69776
5636         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5637         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5638         indicate whether we can use TBAA to disambiguate against stores.
5639         Use alias-set zero if not.
5640         (visit_reference_op_store): Do not use TBAA when looking up
5641         redundant stores.
5642         * tree-ssa-pre.c (compute_avail): Use TBAA here.
5643         (eliminate_dom_walker::before_dom_children): But not when looking
5644         up redundant stores.
5645
5646 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
5647
5648         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5649
5650 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5651
5652         *  config/i386/znver1.md
5653         (znver1_pop, znver1_pop_mem,
5654         znver1_load_imov_double_store,
5655         znver1_load_imov_direct_store,
5656         znver1_load_imov_direct_load,
5657         znver1_load_imov_double_load): Add new.
5658         (znver1_insn, znver1_insn_load): Add icmov type.
5659         (znver1_sseavx_fma,
5660         znver1_sseavx_fma_load,
5661         znver1_avx256_fma,
5662         znver1_avx256_fma_load): Fix pipe usage.
5663
5664 2016-02-14  Alan Modra  <amodra@gmail.com>
5665
5666         PR target/68973
5667         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5668         with an invalid hard reg, reload just the reg not the entire
5669         pre/post-inc/dec address expression.
5670
5671 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5672
5673         PR target/67260
5674         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5675         fixed R1_REG scratch reg.
5676         (sibcall_value_pcrel_fdpic): Likewise.
5677
5678 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5679
5680         PR target/67636
5681         PR target/64345
5682         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5683
5684 2016-02-12  Walter Lee  <walt@tilera.com>
5685
5686         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5687         * config/tilegx/t-tilegx: Likewise.
5688
5689 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5690
5691         PR other/69554
5692         * diagnostic-show-locus.c (struct line_span): New struct.
5693         (layout::get_first_line): Delete.
5694         (layout::get_last_line): Delete.
5695         (layout::get_num_line_spans): New member function.
5696         (layout::get_line_span): Likewise.
5697         (layout::print_heading_for_line_span_index_p): Likewise.
5698         (layout::get_expanded_location): Likewise.
5699         (layout::calculate_line_spans): Likewise.
5700         (layout::m_first_line): Delete.
5701         (layout::m_last_line): Delete.
5702         (layout::m_line_spans): New field.
5703         (layout::layout): Update comment.  Replace m_first_line and
5704         m_last_line with m_line_spans, replacing their initialization
5705         with a call to calculate_line_spans.
5706         (diagnostic_show_locus): When printing source lines and
5707         annotations, rather than looping over a single span
5708         of lines, instead loop over each line_span within
5709         the layout, with an inner loop over the lines within them.
5710         Call the context's start_span callback when changing line spans.
5711         * diagnostic.c (diagnostic_initialize): Initialize start_span.
5712         (diagnostic_build_prefix): Break out the building of the location
5713         part of the string into...
5714         (diagnostic_get_location_text): ...this new function, rewriting
5715         it from nested ternary expressions to a sequence of "if"
5716         statements.
5717         (default_diagnostic_start_span_fn): New function.
5718         * diagnostic.h (diagnostic_start_span_fn): New typedef.
5719         (diagnostic_context::start_span): New field.
5720         (default_diagnostic_start_span_fn): New prototype.
5721
5722 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5723
5724         PR driver/69779
5725         * gcc.c (driver::finalize): Fix cleanup of "specs".
5726
5727 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5728
5729         PR driver/69265
5730         PR driver/69453
5731         * gcc.c (driver::driver): Initialize m_option_suggestions.
5732         (driver::~driver): Clean up m_option_suggestions.
5733         (suggest_option): Convert to...
5734         (driver::suggest_option): ...this, and split out into
5735         driver::build_option_suggestions and find_closest_string.
5736         (driver::build_option_suggestions): New function, from
5737         first half of suggest_option.  Special-case
5738         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5739         the sanitizer_opts array.  For options of enum types, add the
5740         various enum values to the candidate strings.
5741         (driver::handle_unrecognized_options): Remove "const".
5742         * gcc.h (driver::handle_unrecognized_options): Likewise.
5743         (driver::build_option_suggestions): New decl.
5744         (driver::suggest_option): New decl.
5745         (driver::m_option_suggestions): New field.
5746         * opts-common.c (add_misspelling_candidates): New function.
5747         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
5748         and make non-static.
5749         * opts.h (sanitizer_opts): New array decl.
5750         (add_misspelling_candidates): New function decl.
5751         * spellcheck.c (find_closest_string): New function.
5752         * spellcheck.h (find_closest_string): New function decl.
5753
5754 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5755
5756         PR rtl-optimization/69764
5757         PR rtl-optimization/69771
5758         * optabs.c (expand_binop_directly): For shift_optab_p, force
5759         convert_modes with VOIDmode if xop1 has VOIDmode.
5760
5761 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
5762
5763         PR target/69729
5764         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
5765         to correctly determine instrumentation thunks.
5766
5767 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5768
5769         PR ipa/69241
5770         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
5771         type by reference, force lhs on the call.
5772
5773         PR ipa/68672
5774         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
5775         Compute retval and retbnd early in all cases if split_part_return_p
5776         and return_bb is not EXIT.  Remove all clobber stmts and reset
5777         all debug stmts that refer to SSA_NAMEs defined in split part,
5778         except if it is retval, in that case replace the old retval with the
5779         lhs of the call to the split part.
5780
5781 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5782
5783         revert:
5784         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5785
5786         PR middle-end/66726
5787         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5788         whose result is used in PHI.
5789         (maybe_optimize_range_tests): Likewise.
5790         (final_range_test_p): Likweise.
5791
5792 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
5793
5794         PR middle-end/66726
5795         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
5796         whose result is used in PHI.
5797         (maybe_optimize_range_tests): Likewise.
5798         (final_range_test_p): Likweise.
5799
5800 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
5801
5802         * cgraph.c: Spelling fixes - behaviour -> behavior and
5803         neighbour -> neighbor.
5804         * target.def: Likewise.
5805         * sel-sched.c: Likewise.
5806         * config/mips/mips.c: Likewise.
5807         * config/arc/arc.md: Likewise.
5808         * config/arm/cortex-a57.md: Likewise.
5809         * config/arm/arm.c: Likewise.
5810         * config/arm/neon.md: Likewise.
5811         * config/arm/arm-c.c: Likewise.
5812         * config/vms/vms-c.c: Likewise.
5813         * config/s390/s390.c: Likewise.
5814         * config/i386/znver1.md: Likewise.
5815         * config/i386/i386.c: Likewise.
5816         * config/ia64/hpux-unix2003.h: Likewise.
5817         * config/msp430/msp430.md: Likewise.
5818         * config/rx/rx.c: Likewise.
5819         * config/rx/rx.md: Likewise.
5820         * config/aarch64/aarch64-simd.md: Likewise.
5821         * config/aarch64/aarch64.c: Likewise.
5822         * config/nvptx/nvptx.c: Likewise.
5823         * config/bfin/bfin.c: Likewise.
5824         * config/cris/cris.opt: Likewise.
5825         * config/rs6000/rs6000.c: Likewise.
5826         * target.h: Likewise.
5827         * spellcheck.c: Likewise.
5828         * ira-build.c: Likewise.
5829         * tree-inline.c: Likewise.
5830         * builtins.c: Likewise.
5831         * lra-constraints.c: Likewise.
5832         * explow.c: Likewise.
5833         * hwint.h: Likewise.
5834         * targhooks.c: Likewise.
5835         * tree-vect-data-refs.c: Likewise.
5836         * expr.c: Likewise.
5837         * doc/tm.texi: Likewise.
5838         * doc/extend.texi: Likewise.
5839         * doc/install.texi: Likewise.
5840         * doc/md.texi: Likewise.
5841         * tree-ssa-tail-merge.c: Likewise.
5842         * sched-int.h: Likewise.
5843         * match.pd: Likewise.
5844         * sched-ebb.c: Likewise.
5845         * target.def (omit_struct_return_reg): Likewise.
5846         * gimple-ssa-isolate-paths.c: Likewise.
5847         (find_implicit_erroneous_behaviour): Renamed to...
5848         (find_implicit_erroneous_behavior): ... this.
5849         (find_explicit_erroneous_behaviour): Renamed to...
5850         (find_explicit_erroneous_behavior): ... this.
5851         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
5852
5853 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
5854
5855         PR rtl-optimization/64682
5856         PR rtl-optimization/69567
5857         PR rtl-optimization/69737
5858         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
5859         in I2 as well, just lose it.
5860
5861 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5862
5863         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
5864         New variable.
5865         (aarch64_last_printed_tune_string): Likewise.
5866         (aarch64_declare_function_name): Only output .arch assembler
5867         directive if it will be different from the previously output
5868         directive.  Same for .tune comment but only if -dA is set.
5869         (aarch64_start_file): New function.
5870         (TARGET_ASM_FILE_START): Define.
5871
5872 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
5873
5874         PR plugins/69758
5875         * Makefile.in (PLUGIN_HEADERS): Add params.list.
5876
5877 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
5878
5879         PR target/65313
5880         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
5881         -Wmaybe-uninitialized warning.
5882
5883 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
5884
5885         PR target/69713
5886         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
5887
5888 2016-02-11  Richard Biener  <rguenther@suse.de>
5889
5890         PR rtl-optimization/69291
5891         * ifcvt.c (noce_try_store_flag_constants): Do not allow
5892         subexpressions affected by changing the result.
5893
5894 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
5895
5896         PR target/69148
5897         * lra-constraints.c (curr_insn_transform): Find in/out operands
5898         for secondary memory moves.  Update dups.
5899
5900 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
5901
5902         PR tree-optimization/69652
5903         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
5904         to nested loop, did source re-formatting, skip debug statements,
5905         add check on statement with volatile operand, remove dead scalar
5906         statements.
5907
5908 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
5909             Patrick Palka  <ppalka@gcc.gnu.org>
5910
5911         PR ipa/69241
5912         PR c++/69649
5913         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
5914         calls if the return type is TREE_ADDRESSABLE.
5915         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
5916         * ipa-split.c (split_function): Fix doubled "we" in comment.
5917         Use void return type for the split part even if
5918         !split_point->split_part_set_retval.
5919
5920 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
5921
5922         PR tree-optimization/68021
5923         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
5924         when computing the value of biv cand by itself.
5925
5926 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
5927
5928         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
5929         (cortexa57_tunings): Likewise.
5930         (cortexa72_tunings): Likewise.
5931         (arch_macro_fusion_pair_p): Add support for AES fusion.
5932         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
5933         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
5934         Allow virtual registers before reload so early scheduling works.
5935         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
5936         correct latency and pipeline.
5937         (cortex_a57_crypto_complex): Likewise.
5938         (cortex_a57_crypto_xor): Likewise.
5939         (define_bypass): Add AES bypass.
5940
5941 2016-02-10  Richard Biener  <rguenther@suse.de>
5942
5943         PR tree-optimization/69726
5944         * passes.def: Add DCE pass before late uninit.
5945         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
5946         really fixup if-conversions job.
5947
5948 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
5949
5950         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
5951         (arm_cortex_a57_tune): Likewise.
5952         (aarch_macro_fusion_pair_p): Add support for AES fusion.
5953         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
5954
5955 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5956
5957         * timevar.def (TV_PHASE_DBGINFO): Delete.
5958         (TV_PHASE_CHECK_DBGINFO): Likewise.
5959         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
5960
5961 2016-02-10  Richard Biener  <rguenther@suse.de>
5962
5963         PR tree-optimization/69719
5964         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5965         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
5966
5967 2016-02-09  Andrew Pinski  <apinski@cavium.com>
5968
5969         PR tree-opt/69282
5970         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
5971         get_vcond_mask_icode returns false.
5972
5973 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5974
5975         PR target/68404
5976         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
5977         an ADDIS that adds a pointer to a large constant that sets the
5978         upper16 bits with a load operation.
5979
5980 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
5981
5982         PR target/68532
5983         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
5984         order.
5985         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
5986         endian.
5987         (vzipq_s16): Likewise.
5988         (vzipq_s32): Likewise.
5989         (vzipq_f32): Likewise.
5990         (vzipq_u8): Likewise.
5991         (vzipq_u16): Likewise.
5992         (vzipq_u32): Likewise.
5993         (vzipq_p8): Likewise.
5994         (vzipq_p16): Likewise.
5995
5996 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
5997
5998         PR target/68532
5999         * config/arm/arm.c (neon_endian_lane_map): New function.
6000         (neon_vector_pair_endian_lane_map): New function.
6001         (arm_evpc_neon_vuzp): Allow for big endian lane order.
6002         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6003         endian.
6004         (vuzpq_s16): Likewise.
6005         (vuzpq_s32): Likewise.
6006         (vuzpq_f32): Likewise.
6007         (vuzpq_u8): Likewise.
6008         (vuzpq_u16): Likewise.
6009         (vuzpq_u32): Likewise.
6010         (vuzpq_p8): Likewise.
6011         (vuzpq_p16): Likewise.
6012
6013 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
6014
6015         PR target/69634
6016         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6017         debug insns.
6018
6019 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
6020
6021         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6022         truncate const_int operand 1 to QImode.
6023
6024 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
6025
6026         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6027         corresponding to an abnormal edge.
6028
6029 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6030
6031         PR tree-optimization/69599
6032         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6033         function.
6034         (find_func_aliases_for_builtin_call, find_func_clobbers)
6035         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
6036         partition.
6037
6038 2016-02-09  Richard Biener  <rguenther@suse.de>
6039
6040         PR tree-optimization/69715
6041         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6042         LHS on calls as non-rewritable.
6043
6044 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6045
6046         PR lto/69707
6047         * lto-wrapper.c (append_diag_options): New function.
6048         (compile_offload_image): Call append_diag_options.
6049
6050 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
6051
6052         PR other/69722
6053         * doc/extend.texi (Flag Output Operands): Correct sectioning.
6054         Minor copy-edit to fix verb tenses.
6055
6056 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
6057
6058         PR tree-optimization/69209
6059         * ipa-split.c (split_function): If split part is not
6060         returning retval, retval has gimple type but is not
6061         gimple value, force it into a SSA_NAME first.
6062
6063 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
6064
6065         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6066         outdated section.
6067
6068 2016-02-08  Jason Merrill  <jason@redhat.com>
6069
6070         PR c++/69631
6071         * convert.c (convert_to_integer_1): Check dofold on truncation
6072         distribution.
6073         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6074         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6075         Rename from *_nofold.
6076         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6077         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6078
6079 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
6080
6081         PR target/60410
6082         * tree.c (build_common_tree_nodes): Remove short_double argument.
6083         All callers changed.
6084         * tree.h (build_common_tree_nodes): Adjust declaration.
6085         * doc/invoke.texi (-fshort-double): Remove documentation.
6086         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6087         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6088         * lto-wrapper.c (merge_and_complain, append_compiler_options)
6089         (append_linker_options): Don't handle OPT_fshort_double.
6090
6091         PR rtl-optimization/68730
6092         * lra-remat.c (insn_to_cand_activation): New static variable.
6093         (lra_remat): Allocate and free it.
6094         (create_cand): New arg activation. Initialize a field in
6095         insn_to_cand_activation if it is nonnull.
6096         (create_cands): Pass the activation insn to create_cand when making
6097         a candidate involving an output reload.  Reorganize code a little.
6098         (do_remat): Keep track of active status of candidates in a separate
6099         bitmap.
6100
6101 2016-02-08  Richard Biener  <rguenther@suse.de>
6102
6103         PR tree-optimization/69719
6104         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6105         Properly use absolute of the difference of the two offsets to
6106         compare or adjust the segment length.
6107
6108 2016-02-08  Richard Biener  <rguenther@suse.de>
6109             Jeff Law  <law@redhat.com>
6110
6111         PR target/68273
6112         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6113         types for anonymous SSA names.
6114
6115 2016-02-08   Richard Biener  <rguenther@suse.de>
6116
6117         PR rtl-optimization/69274
6118         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6119
6120 2016-02-08  Jeff Law  <law@redhat.com>
6121
6122         PR tree-optimization/65917
6123         * tree-ssa-dom.c (record_temporary_equivalences): Record both
6124         equivalences from if (x == y) style conditionals.
6125         (loop_depth_of_name): Remove.
6126         (record_equality): Remove loop depth check.
6127         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6128         (const_and_copies::record_const_or_copy_raw): New member function.
6129         * tree-ssa-scopedtables.c
6130         (const_and_copies::record_const_or_copy_raw): New, factored out of
6131         (const_and_copies::record_const_or_copy): Call new member function.
6132
6133 2016-02-05  Jeff Law  <law@redhat.com>
6134
6135         PR tree-optimization/68541
6136         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6137         (count_stmts_in_block): New function.
6138         (poor_ifcvt_candidate_code): Likewise.
6139         (is_feasible_trace): Add some heuristics to determine when path
6140         splitting is profitable.
6141         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6142         is a diamond with a single exit.
6143
6144 2016-02-05  Martin Sebor  <msebor@redhat.com>
6145
6146         PR c++/69662
6147         * doc/invoke.texi: Update -Wplacement-new to take an optional
6148         argument.
6149
6150 2016-02-06  Richard Henderson  <rth@redhat.com>
6151
6152         PR c/69643
6153         * tree.c (tree_nop_conversion_p): Do not strip casts into or
6154         out of non-standard address spaces.
6155
6156 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6157
6158         PR rtl-optimization/69691
6159         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6160
6161 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
6162
6163         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6164         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6165         (*ieee128_mfvsrd_64bit): Likewise.
6166         (*ieee128_mfvsrd_32bit): Likewise.
6167
6168 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
6169
6170         PR target/69369
6171         Revert r232560:
6172         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
6173
6174         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6175         instrumented_version.
6176
6177 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
6178
6179         * doc/invoke.texi (Optimize Options): In table of --param options
6180         rename second occurrence of tracer-min-branch-ratio to
6181         tracer-min-branch-probability, rename
6182         tracer-min-branch-ratio-feedback to
6183         tracer-min-branch-probability-feedback and clarify description,
6184         rename sched-spec-state-edge-prob-cutoff to
6185         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6186         to selsched-insns-to-rename, rename lto-minpartition to
6187         lto-min-partition, delete reorder-blocks-duplicate and
6188         reorder-blocks-duplicate-feedback.
6189
6190 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6191
6192         * config/s390/s390.c (s390_register_info_set_ranges): Remove
6193         superfluous loops.
6194
6195 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6196
6197         * doc/extend.texi: S/390: Correct some typos.
6198
6199 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6200
6201         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6202
6203 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6204
6205         PR target/69625
6206         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6207         (s390_register_info_gprtofpr): Use new macros above.
6208         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6209         its name.
6210         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6211         its name.  Adjust restore and save gpr ranges.
6212         (s390_register_info_set_ranges): New function.
6213         (s390_register_info): Use new macros above.  Call
6214         s390_register_info_set_ranges.
6215         (s390_optimize_register_info): Likewise.
6216         (s390_hard_regno_rename_ok): Use new macros.
6217         (s390_hard_regno_scratch_ok): Likewise.
6218         (s390_emit_epilogue): Likewise.
6219         (s390_can_use_return_insn): Likewise.
6220         (s390_optimize_prologue): Likewise.
6221         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6222
6223 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6224
6225         PR bootstrap/69677
6226         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6227         alignment fixes.
6228         (ix86_option_override_internal): Disable TARGET_STV even for
6229         -m{incoming,preferred}-stack-boundary=3.
6230
6231 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6232
6233         * config.gcc: Mark deprecated rtems targets as obsolete.
6234
6235 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
6236
6237         PR rtl-optimization/64682
6238         PR rtl-optimization/69567
6239         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6240         before I2 only if the register is both used and set in I2.
6241
6242 2016-02-04  DJ Delorie  <dj@redhat.com>
6243
6244         * config/msp430/msp430.c (msp430_start_function): Add function type.
6245
6246 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6247
6248         PR fortran/69368
6249         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6250
6251 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
6252
6253         PR rtl-optimization/69577
6254         Revert:
6255         2015-10-29  Richard Henderson  <rth@redhat.com>
6256
6257         PR target/68124
6258         PR rtl-opt/67609
6259         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6260         sse check to the exact conditions of PR 67609.
6261
6262 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
6263
6264         PR target/69667
6265         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6266         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6267         not allowed into the traditional Altivec registers.
6268         (movtd_64bit_nodm): Likewise.
6269         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6270
6271 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
6272
6273         * config/aarch64/cortex-a57-fma-steering.c
6274         (aarch64_register_fma_steering): Remove "static" from arguments
6275         to register_pass.
6276
6277 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
6278
6279         PR target/69619
6280         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6281         twice when complex.
6282
6283 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
6284
6285         * doc/invoke.texi: Delete -mno-fma4.
6286
6287 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
6288
6289         PR rtl-optimization/69577
6290         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6291         (find_subregs_of_mode): Update accordingly.  Iterate over partial
6292         definitions.
6293
6294 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
6295
6296         * config/arm/arm-protos.h (neon_reinterpret): Remove.
6297         * config/arm/arm.c (neon_reinterpret): Remove.
6298         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6299         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6300         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6301         vreinterpretti): Remove.
6302         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6303         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6304         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6305         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6306         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6307         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6308         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6309         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6310         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6311         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6312         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6313         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6314         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6315         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6316         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6317         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6318         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6319         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6320         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6321         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6322         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6323         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6324         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6325         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6326         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6327         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6328         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6329         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6330         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6331         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6332         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6333         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6334         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6335         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6336         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6337         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6338         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6339         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6340         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6341         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6342         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6343         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6344         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6345         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6346         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6347         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6348         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6349         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6350         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6351         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6352         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6353         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6354         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6355         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6356         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6357         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6358         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6359         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6360         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6361         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6362         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6363         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6364         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6365         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6366         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6367         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6368         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6369         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6370         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6371         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6372         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6373         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6374         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6375         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6376         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6377         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6378         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6379         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6380         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6381         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6382         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6383         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6384         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6385         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6386         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6387         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6388         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6389         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6390         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6391         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6392         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6393         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6394         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6395         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6396         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6397         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6398         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6399         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6400         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6401         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6402         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6403         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6404         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6405
6406 2016-02-04  Martin Liska  <mliska@suse.cz>
6407
6408         PR sanitizer/69276
6409         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6410         that are gimple_store_p.
6411         (maybe_instrument_call): Likewise.
6412
6413 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
6414
6415         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6416         register scaling out of memory reference and comment why.
6417
6418 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6419
6420         PR target/65932
6421         PR target/67714
6422         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6423         folding the source of a SET.
6424
6425 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6426
6427         PR target/65932
6428         PR target/67714
6429         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6430         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6431
6432 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
6433
6434         PR target/65932
6435         PR target/67714
6436         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6437         HImode.
6438
6439 2016-02-04  Christian Bruel  <christian.bruel@st.com>
6440
6441         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6442         * config/arm/arm.c (arm_set_current_function): Likewise.
6443
6444 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6445             Ilya Enkovich  <enkovich.gnu@gmail.com>
6446             H.J. Lu  <hongjiu.lu@intel.com>
6447
6448         PR target/69454
6449         * config/i386/i386.c (convert_scalars_to_vector): Remove
6450         stack alignment fixes.
6451         (ix86_option_override_internal): Disable TARGET_STV if stack
6452         might not be aligned enough.
6453         (ix86_minimum_alignment): Assert that TARGET_STV is false.
6454
6455 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
6456
6457         * gcc/config/i386/x86-tune.def: Disable default prefetching
6458         for -march=znver1.
6459
6460 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6461             Vladimir Makarov  <vmakarov@redhat.com>
6462
6463         PR target/69461
6464         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6465         in validating fused toc addresses.
6466
6467 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
6468
6469         PR c/69627
6470         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6471         range->m_caret fields if range->m_show_caret_p is false.
6472
6473         PR target/69644
6474         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6475         Force oldval into register if it does not satisfy reg_or_short_operand
6476         predicate.  Fix up formatting.
6477
6478 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
6479             Alexandre Oliva  <aoliva@redhat.com>
6480
6481         PR target/69461
6482         * lra-constraints.c (simplify_operand_subreg): Check additionally
6483         address validity after potential reloading.
6484         (process_address_1): Check insns validity.  In case of failure do
6485         nothing.
6486
6487 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6488
6489         PR target/69118
6490         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6491         Fix target.
6492
6493 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
6494
6495         * wide-int.cc (canonize_uhwi): New function.
6496         (wi::divmod_internal): Use it.
6497
6498 2016-02-02  James Norris  <jnorris@codesourcery.com
6499
6500         * gimplify.c (omp_notice_variable): Add usage check.
6501
6502 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
6503
6504         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6505         like LE, GE, LT, GT when emitting relational operator.
6506
6507 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6508
6509         * ira-costs.c (find_costs_and_classes): Add extra argument.
6510         * target.def (ira_change_pseudo_allocno_class): Add parameter.
6511         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6512         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6513         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6514         Add best_class parameter, and return it if not ALL_REGS.
6515         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6516         Add parameter.
6517         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6518         Update target hook.
6519
6520 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6521
6522         * config/aarch64/aarch64.c
6523         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6524         (aarch64_ira_change_pseudo_allocno_class): New function.
6525
6526 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
6527
6528         PR target/67032
6529         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6530
6531 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6532
6533         * config/avr/avr.c (avr_option_override): Set
6534         PARAM_ALLOW_STORE_DATA_RACES to 1.
6535
6536 2016-02-02  Richard Biener  <rguenther@suse.de>
6537
6538         PR tree-optimization/69595
6539         * match.pd: Add range test simplifications to true/false.
6540
6541 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
6542
6543         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6544         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6545         instead.
6546
6547 2016-02-02  Richard Biener  <rguenther@suse.de>
6548
6549         PR tree-optimization/69606
6550         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6551         info on the result before moving a stmt.
6552
6553 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
6554
6555         PR middle-end/68542
6556         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6557         branch with vector comparison.
6558         * config/i386/sse.md (VI48_AVX): New mode iterator.
6559         (define_expand "cbranch<mode>4): Add support for conditional branch
6560         with vector comparison.
6561         * tree-vect-loop.c (optimize_mask_stores): New function.
6562         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6563         has_mask_store field of vect_info.
6564         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6565         vectorized loops having masked stores after vec_info destroy.
6566         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6567         correspondent macros.
6568         (optimize_mask_stores): Add prototype.
6569
6570 2016-02-02  Alan Modra  <amodra@gmail.com>
6571
6572         PR target/69548
6573         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6574         allow subregs.
6575
6576 2016-02-02  Alan Modra  <amodra@gmail.com>
6577
6578         PR target/68662
6579         * config/rs6000/rs6000.c (need_toc_init): New var, set it
6580         whenever toc_label_name used.
6581         (rs6000_file_start): Don't set up toc section here,
6582         (rs6000_output_function_epilogue): do so here instead,
6583         (rs6000_xcoff_file_start): and here.
6584         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6585         (load_toc_aix_di): Likewise.
6586
6587 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6588
6589         PR rtl-optimization/69592
6590         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6591         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6592         (num_sign_bit_copies_binary_arith_p): New inline function.
6593         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6594
6595 2016-02-01  Jeff Law  <law@redhat.com>
6596
6597         PR tree-optimization/69580
6598         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6599         * tree-ssa-threadbackward.c
6600         (fsm_find_control_statement_thread_paths): Do not try to walk
6601         through large PHI nodes.
6602
6603 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6604
6605         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6606         when count is incremented above limit, don't analyze further
6607         insns afterwards.
6608
6609         * omp-low.c (oacc_parse_default_dims): Avoid
6610         -Wsign-compare warning, make sure value fits into int
6611         rather than just unsigned int.
6612
6613 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
6614
6615         PR tree-optimization/67921
6616         * fold-const.c (split_tree): New parameters.  Convert pointer
6617         type variable part to proper type before negating.
6618         (fold_binary_loc): Pass new arguments to split_tree.
6619
6620 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
6621
6622         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6623         (nvptx_goacc_validate_dims): Extend to handle global defaults.
6624         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6625         * doc/tm.texti: Rebuilt.
6626         * doc/invoke.texi (fopenacc-dim): Document.
6627         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6628         (append_compiler_options): Likewise.
6629         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6630         (oacc_parse_default_dims): New.
6631         (oacc_validate_dims): Add USED arg.  Select non-unity default when
6632         possible.
6633         (oacc_loop_fixed_partitions): Return mask of used partitions.
6634         (oacc_loop_auto_partitions): Emit dump info.
6635         (oacc_loop_partition): Return mask of used partitions.
6636         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
6637         loop partitioning and validation calls.
6638
6639 2016-02-01  Richard Biener  <rguenther@suse.de>
6640
6641         PR middle-end/69556
6642         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6643
6644 2016-02-01  Richard Biener  <rguenther@suse.de>
6645
6646         PR tree-optimization/69574
6647         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6648         of asserting return chrec_dont_know.
6649
6650 2016-02-01  Martin Liska  <mliska@suse.cz>
6651
6652         * mem-stats-traits.h: Add copyright header.
6653         * mem-stats.h: Likewise.
6654
6655 2016-02-01  Richard Biener  <rguenther@suse.de>
6656
6657         PR tree-optimization/69579
6658         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6659         Do not propagate through abnormal PHI results.
6660
6661 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
6662
6663         * postreload.c (reload_cse_simplify): Remove dead code.
6664
6665 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6666
6667         PR rtl-optimization/69570
6668         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6669         if there is more than one set, not if there is a single set.
6670
6671 2016-02-01  Richard Henderson  <rth@redhat.com>
6672
6673         PR rtl-opt/69535
6674         * combine.c (make_compound_operation): When looking through a
6675         subreg, make sure to re-extend to the width of the outer mode.
6676
6677 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
6678
6679         PR tree-optimization/69546
6680         * wide-int.cc (wi::divmod_internal): For unsigned division
6681         where both operands fit into uhwi, if o1 is 1 and o0 has
6682         msb set, if divident_prec is larger than bits per hwi,
6683         clear another quotient word and return 2 instead of 1.
6684         Similarly for remainder with msb in HWI set, if dividend_prec
6685         is larger than bits per hwi.
6686
6687 2016-01-29  Martin Jambor  <mjambor@suse.cz>
6688
6689         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6690         Use short lowercase names.
6691         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
6692         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6693         acq_rel one.  Protect warning agains segfaults if
6694         get_memory_order_name returns NULL.
6695         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6696         with release semantics.  Do not warn if get_memory_order already did.
6697         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6698         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
6699         if get_memory_order already did.
6700
6701 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
6702
6703         * doc/install.texi: Document that isl-0.16 is supported.
6704
6705 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6706
6707         PR target/69299
6708         * config/i386/constraints.md (Bm): Describe as special memory
6709         constraint.
6710         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6711         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6712         * genpreds.c (struct constraint_data): Add is_special_memory.
6713         (have_special_memory_constraints, special_memory_start): New
6714         static vars.
6715         (special_memory_end): Ditto.
6716         (add_constraint): Add new arg is_special_memory.  Add code to
6717         process its true value.  Update have_special_memory_constraints.
6718         (process_define_constraint): Pass the new arg.
6719         (process_define_register_constraint): Ditto.
6720         (choose_enum_order): Process special memory.
6721         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6722         function insn_extra_special_memory_constraint.
6723         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6724         * gensupport.c (process_rtx): Process
6725         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6726         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6727         * ira-lives.c (single_reg_class): Use
6728         insn_extra_special_memory_constraint.
6729         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6730         * lra-constraints.c (process_alt_operands): Ditto.
6731         (curr_insn_transform): Use insn_extra_special_memory_constraint.
6732         * recog.c (asm_operand_ok, preprocess_constraints): Process
6733         CT_SPECIAL_MEMORY.
6734         * reload.c (find_reloads): Ditto.
6735         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6736         * stmt.c (parse_input_constraint): Use
6737         insn_extra_special_memory_constraint.
6738
6739 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6740
6741         PR target/69530
6742         * lra-splill.c (lra_final_code_change): Revert r229087 by
6743         removing all sub-registers.
6744
6745 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
6746
6747         PR target/65604
6748         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6749
6750 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
6751
6752         PR target/69551
6753         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
6754         SSE1, copy target into the temporary reg first before recursing
6755         on it.
6756
6757 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6758
6759         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
6760         with vm.
6761
6762 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6763
6764         * ginclude/stdarg.h: Test __cplusplus instead of
6765         __GXX_EXPERIMENTAL_CXX0X__.
6766
6767 2016-01-29  Richard Biener  <rguenther@suse.de>
6768
6769         PR tree-optimization/69547
6770         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
6771         Do not mark clobbers necessary.
6772         (mark_all_reaching_defs_necessary_1): Likewise.
6773
6774 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6775
6776         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
6777         declaration name with %qs and print it in both error messages.
6778         Also fix indentation.
6779
6780 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6781
6782         PR other/69006
6783         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
6784         trailing blank line from error message.
6785
6786 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
6787
6788         PR c++/69462
6789         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
6790         for C++-11.
6791
6792 2016-01-29  Richard Biener  <rguenther@suse.de>
6793
6794         PR middle-end/69537
6795         * match.pd: Allow all integral types when simplifying a
6796         widening or sign-changing conversion.
6797
6798 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6799
6800         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
6801         back to setting codegen_error to fail codegen.
6802
6803 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
6804
6805         PR target/69459
6806         * config/i386/constraints.md (C): Only accept constant zero operand.
6807         (BC): New constraint.
6808         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
6809         instead of C constraint.
6810         * doc/md.texi (Machine Constraints): Update description
6811         of C constraint.
6812
6813 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
6814
6815         PR target/68400
6816         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
6817
6818 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
6819
6820         PR middle-end/69542
6821         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
6822         non-debug insns.
6823
6824 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6825
6826         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
6827         branches if using guessed profile.
6828
6829 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
6830
6831         * graphite-optimize-isl.c (optimize_isl): Fix dump.
6832
6833 2016-01-28  Richard Henderson  <rth@redhat.com>
6834
6835         PR target/69305
6836         * config/aarch64/aarch64-modes.def (CC_Cmode): New
6837         * config/aarch64/aarch64-protos.h: Update.
6838         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
6839         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
6840         (aarch64_get_condition_code_1): Handle CC_Cmode.
6841         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
6842         (*add<mode>3_compareC_cconly_imm): New.
6843         (*add<mode>3_compareC_cconly): New.
6844         (*add<mode>3_compareC_imm): New.
6845         (add<mode>3_compareC): New.
6846         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
6847         to be first.  Use aarch64_carry_operation.
6848         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
6849         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
6850         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
6851         (subti3): Use subdi3_compare1.
6852         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
6853         (sub<mode>3_compare1): New.
6854         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
6855         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
6856         (*subsi3_carryin_uxtw): Likewise.
6857         (*ngc<mode>, *ngcsi_uxtw): Likewise.
6858         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
6859         * config/aarch64/iterators.md (DWI): New.
6860         * config/aarch64/predicates.md (aarch64_carry_operation): New.
6861         (aarch64_borrow_operation): New.
6862
6863 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
6864
6865         * graphite-optimize-isl.c (optimize_isl): Print a different debug
6866         message when isl does not return a valid schedule.
6867
6868 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6869
6870         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
6871         Remove comments from class declarations: they are already in the code
6872         close by the defs.
6873
6874 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6875
6876         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
6877         codegen_error_p.
6878         (ternary_op_to_tree): Same.
6879         (unary_op_to_tree): Same.
6880         (nary_op_to_tree): Same.
6881         (gcc_expression_from_isl_expr_op): Same.
6882         (gcc_expression_from_isl_expression): Same.
6883         (graphite_create_new_loop): Same.
6884         (graphite_create_new_loop_guard): Same.
6885         (build_iv_mapping): Same.
6886         (graphite_create_new_guard): Same.
6887         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
6888         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
6889
6890 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
6891
6892         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
6893         instead of setting codegen_error to fail codegen.
6894
6895 2016-01-28  Jason Merrill  <jason@redhat.com>
6896
6897         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
6898
6899 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6900
6901         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
6902         Remove CONST_INT_P check in CCMP cost calculation.
6903
6904 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6905
6906         * config/aarch64/aarch64.c (generic_vector_cost):
6907         Set vec_permute_cost.
6908         (cortexa57_vector_cost): Likewise.
6909         (exynosm1_vector_cost): Likewise.
6910         (xgene1_vector_cost): Likewise.
6911         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
6912         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
6913         Add vec_permute_cost entry.
6914
6915 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
6916
6917         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
6918         immediate as %1.
6919         (add<mode>3_compare0): Likewise.
6920         (addsi3_compare0_uxtw): Likewise.
6921         (add<mode>3nr_compare0): Likewise.
6922         (compare_neg<mode>): Likewise.
6923         (<optab><mode>3): Likewise.
6924
6925 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
6926
6927         * tree-vect-stmts.c (vectorizable_comparison): Add
6928         NULL check for vectype.
6929
6930 2016-01-28  Richard Biener  <rguenther@suse.de>
6931
6932         PR tree-optimization/69466
6933         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
6934         Account for PHIs we couldn't duplicate.
6935
6936 2016-01-28  Martin Liska  <mliska@suse.cz>
6937
6938         PR pch/68758
6939         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
6940         instead of ENABLE_VALGRIND_CHECKING.
6941
6942 2016-01-27  Richard Henderson  <rth@redhat.com>
6943
6944         PR rtl-opt/69447
6945         * lra-remat.c (subreg_regs): New.
6946         (dump_candidates_and_remat_bb_data): Dump it.
6947         (operand_to_remat): Reject if operand in subreg_regs.
6948         (set_bb_regs): Collect subreg_regs.
6949         (lra_remat): Init and free subreg_regs.  Compute
6950         calculate_local_reg_remat_bb_data before create_cands.
6951
6952 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6953
6954         PR target/68986
6955         * config/i386/i386.c (ix86_update_stack_boundary): Don't
6956         change stack_alignment_needed for __tls_get_addr call.
6957
6958 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
6959
6960         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
6961
6962 2016-01-27  Jeff Law  <law@redhat.com>
6963
6964         PR tree-optimization/68398
6965         PR tree-optimization/69196
6966         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
6967         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
6968         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6969         Only count PHIs in the last block in the path.  The others will
6970         const/copy propagate away.  Add heuristic to allow more irreducible
6971         subloops to be created when it is likely profitable to do so.
6972
6973         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
6974         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
6975         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
6976
6977 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
6978
6979         PR lto/69254
6980         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
6981         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
6982         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
6983         * tree-streamer-in.c: Include asan.h.
6984         (streamer_get_builtin_tree): For builtins in sanitizer
6985         range call initialize_sanitizer_builtins and retry.
6986
6987 2016-01-27  Ian Lance Taylor  <iant@google.com>
6988
6989         * common.opt (fkeep-gc-roots-live): New undocumented option.
6990         * tree-ssa-loop-ivopts.c (add_candidate_1): If
6991         -fkeep-gc-roots-live, skip pointers.
6992         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
6993         NULL.
6994
6995 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
6996
6997         PR target/69512
6998         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
6999         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7000
7001 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
7002
7003         PR target/68380
7004         * configure.ac: NetBSD provides SSP in its C library.
7005         * configure: Updated.
7006
7007 2016-01-27  Richard Biener  <rguenther@suse.de>
7008
7009         PR tree-optimization/69166
7010         * tree-vect-loop.c (vect_is_simple_reduction): Always check
7011         reduction code for commutativity / associativity.
7012
7013 2016-01-27  Martin Jambor  <mjambor@suse.cz>
7014
7015         PR tree-optimization/69355
7016         * tree-sra.c (analyze_access_subtree): Correct hole detection when
7017         total_scalarization fails.
7018
7019 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
7020
7021         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7022         power9.
7023
7024 2016-01-27  Christian Bruel  <christian.bruel@st.com>
7025
7026         PR target/69245
7027         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7028         Move arm_reset_previous_fndecl and set_target_option_current_node in
7029         the conditional part.  Call save_restore_target_globals.
7030         * config/arm/arm.c (arm_set_current_function):
7031         Refactor to better support #pragma target and attribute mix.
7032         Call save_restore_target_globals.
7033         * config/arm/arm-protos.h (save_restore_target_globals): New function.
7034
7035 2016-01-27  Martin Liska  <mliska@suse.cz>
7036
7037         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7038         reference for an HSA kernel and its host function.
7039
7040 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7041
7042         PR tree-optimization/69399
7043         * wide-int.h (wi::lrshift): For larger precisions, only
7044         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7045
7046 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
7047
7048         * config/arc/predicates.md (proper_comparison_operator): Reject
7049         constant-constant comparison.
7050
7051 2016-01-26  Tom de Vries  <tom@codesourcery.com>
7052
7053         PR tree-optimization/69110
7054         * tree-data-ref.c (initialize_data_dependence_relation): Handle
7055         DR_NUM_DIMENSIONS == 0.
7056
7057 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7058             Sebastian Pop  <s.pop@samsung.com>
7059
7060         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7061         isl_ast_op_cond and isl_ast_op_select.
7062         (gcc_expression_from_isl_expr_op): Same.
7063
7064 2016-01-26  Jason Merrill  <jason@redhat.com>
7065
7066         PR c++/68782
7067         * tree.c (recompute_constructor_flags): Split out from
7068         build_constructor.
7069         (verify_constructor_flags): New.
7070         * tree.h: Declare them.
7071
7072 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
7073
7074         PR rtl-optimization/69217
7075         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7076         are no TYPE_FIELDS set for the record type.
7077
7078 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7079
7080         PR target/68662
7081         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7082         toc_label_name unconditionally.
7083         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7084         SYMBOL_REF string.  Use toc_label_name instead of constructing
7085         LCTOC1.
7086         (rs6000_elf_declare_function_name): Use toc_label_name instead of
7087         constructing LCTOC1.
7088
7089 2016-01-26  Martin Sebor  <msebor@redhat.com>
7090
7091         PR other/69477
7092         * doc/extend.texi (Common Type Attributes): Move text that talks about
7093         attribute packed from attribute aligned to the section discussing
7094         the former attribute for clarity.
7095
7096 2016-01-26  Richard Henderson  <rth@redhat.com>
7097
7098         PR middle-end/60908
7099         * trans-mem.c (tm_region_init): Mark entry block as visited.
7100
7101 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
7102
7103         PR other/69006
7104         * diagnostic-show-locus.c (layout::print_source_line): Replace
7105         call to pp_newline with call to layout::print_newline.
7106         (layout::print_annotation_line): Likewise.
7107         (layout::move_to_column): Likewise.
7108         (layout::print_any_fixits): After printing any fixits, print a
7109         trailing newline, if necessary.
7110         (layout::print_newline): New method, resetting any colorization
7111         before a newline.
7112         (diagnostic_show_locus): Move the pp_newline to before the
7113         early bailout.  Remove dummy block enclosing the layout instance.
7114         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7115         of pp_newline_and_flush with pp_flush.
7116         (diagnostic_append_note): Delete use of pp_newline.
7117         (diagnostic_append_note_at_rich_loc): Delete.
7118         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7119         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7120         when newline characters are added to the buffer.
7121
7122 2016-01-26  Michael Matz  <matz@suse.de>
7123
7124         * configure.ac (ac_cv_std_swap_in_utility): New test.
7125         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7126         * configure: Regenerate.
7127         * config.in: Regenerate.
7128
7129 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
7130
7131         * config/arc/arc.md (cstoresi4): Force operand into register.
7132         (arcset<code>): Fix predicate.
7133         (arcsetltu): Likewise.
7134         (arcsetgeu): Likewise.
7135         (arcsethi): Likewise.
7136         (arcsetls): Likewise.
7137
7138 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7139
7140         PR tree-optimization/69483
7141         * gimple-fold.c (canonicalize_constructor_val): Return NULL
7142         if base has error_mark_node type.
7143
7144 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
7145
7146         PR target/68620
7147         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7148         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7149         New helper macros.
7150         (vget_lane_f16): Handle big-endian.
7151         (vgetq_lane_f16): Likewise.
7152         (vset_lane_f16): Likewise.
7153         (vsetq_lane_f16): Likewise.
7154         * config/arm/iterators.md (VQXMOV): Add V8HF.
7155         (VDQ): Add V4HF and V8HF.
7156         (V_reg): Handle V4HF and V8HF.
7157         (Is_float_mode): Likewise.
7158         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7159         neon_vdup_nv8hf): New patterns.
7160         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7161         Use VD_LANE iterator.
7162         (neon_vld1_dup<mode>): Use VQ2 iterator.
7163
7164 2016-01-26  Nathan Sidwell  <nathan@acm.org>
7165
7166         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7167         (set_oacc_fn_attrib): Add IS_KERNEL arg.
7168         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7169         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7170         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7171         (oacc_validate_dims): Add LEVEL arg, don't return level.
7172         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7173         oacc_validate_dims.
7174         (execute_oacc_device_lower): Adjust, add more dump output.
7175         * tree-ssa-loop.c (gate_oacc_kernels): Use
7176         oacc_fn_attrib_kernels_p.
7177         * tree-parloops.c (create_parallel_loop): Adjust
7178         set_oacc_fn_attrib call.
7179
7180 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7181
7182         PR lto/69254
7183         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7184         (append_compiler_options): Handle -fcilkplus.
7185         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7186
7187 2016-01-26  Nick Clifton  <nickc@redhat.com>
7188
7189         PR target/66655
7190         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7191         been marked as DECL_ONE_ONLY but we do not the means to make it
7192         so, then do not allow it to bind locally.
7193
7194 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7195
7196         PR lto/69254
7197         * opts.h (parse_sanitizer_options): New prototype.
7198         * opts.c (sanitizer_opts): New array.
7199         (parse_sanitizer_options): New function.
7200         (common_handle_option): Use parse_sanitizer_options.
7201
7202 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
7203
7204         PR target/68986
7205         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7206         alignment adjustment to ...
7207         (ix86_update_stack_boundary): Here.  Don't over-align stack for
7208         __tls_get_addr.
7209         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7210         if __tls_get_addr is called.
7211
7212 2016-01-26  Christian Bruel  <christian.bruel@st.com>
7213
7214         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7215
7216 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
7217
7218         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7219
7220 2016-01-26  Richard Biener  <rguenther@suse.de>
7221
7222         PR middle-end/69467
7223         * match.pd: Guard X * CST CMP 0 pattern with single_use.
7224
7225 2016-01-26  Richard Biener  <rguenther@suse.de>
7226
7227         PR tree-optimization/69452
7228         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7229         (move_computations_dom_walker::before_dom_children): Rename
7230         to ...
7231         (move_computations_worker): This.
7232         (move_computations): Perform an RPO rather than a DOM walk.
7233
7234 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7235
7236         PR target/69442
7237         * combine.c (combine_instructions): For REG_EQUAL note with
7238         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7239         to the underlying register.
7240         * doc/rtl.texi (REG_EQUAL): Document the behavior of
7241         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7242
7243 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
7244
7245         PR target/67896
7246         * config/aarch64/aarch64-builtins.c
7247         (aarch64_init_simd_builtin_types): Do not set structural
7248         equality to __Poly{8,16,64,128}_t types.
7249
7250 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
7251
7252         PR tree-optimization/69400
7253         * wide-int.cc (wi_pack): Take the precision as argument and
7254         perform canonicalization here rather than in the callers.
7255         Use the main loop to handle all full-width HWIs.  Add a
7256         zero HWI if in_len isn't a full result.
7257         (wi::divmod_internal): Update accordingly.
7258         (wi::mul_internal): Likewise.  Simplify.
7259
7260 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7261             Sebastian Pop  <s.pop@samsung.com>
7262
7263         * graphite-poly.c (apply_poly_transforms): Simplify.
7264         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7265         (print_isl_map): Same.
7266         (print_isl_union_map): Same.
7267         (print_isl_schedule): New.
7268         (debug_isl_schedule): New.
7269         * graphite-dependences.c (scop_get_reads): Do not call
7270         isl_union_map_add_map that is undocumented isl functionality.
7271         (scop_get_must_writes): Same.
7272         (scop_get_may_writes): Same.
7273         (scop_get_original_schedule): Remove.
7274         (scop_get_dependences): Do not call isl_union_map_compute_flow that
7275         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
7276         (compute_deps): Remove.
7277         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7278         (debug_schedule_ast): New.
7279         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7280         set_separate_option.
7281         (graphite_regenerate_ast_isl): Add dump.
7282         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7283         from scop->transformed_schedule.
7284         (graphite_regenerate_ast_isl): Add more dump.
7285         * graphite-optimize-isl.c (optimize_isl): Set
7286         scop->transformed_schedule.  Check whether schedules are equal.
7287         (apply_poly_transforms): Move here.
7288         * graphite-poly.c (apply_poly_transforms): ... from here.
7289         (free_poly_bb): Static.
7290         (free_scop): Static.
7291         (pbb_number_of_iterations_at_time): Remove.
7292         (print_isl_ast): New.
7293         (debug_isl_ast): New.
7294         (debug_scop_pbb): New.
7295         * graphite-scop-detection.c (print_edge): Move.
7296         (print_sese): Move.
7297         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7298         (build_scop_scattering): Remove.
7299         (create_pw_aff_from_tree): Assert instead of bailing out.
7300         (add_condition_to_pbb): Remove unused code, do not fail.
7301         (add_conditions_to_domain): Same.
7302         (add_conditions_to_constraints): Remove.
7303         (build_scop_context): New.
7304         (add_iter_domain_dimension): New.
7305         (build_iteration_domains): Initialize pbb->iterators.
7306         Call add_conditions_to_domain.
7307         (nested_in): New.
7308         (loop_at): New.
7309         (index_outermost_in_loop): New.
7310         (index_pbb_in_loop): New.
7311         (outermost_pbb_in): New.
7312         (add_in_sequence): New.
7313         (add_outer_projection): New.
7314         (outer_projection_mupa): New.
7315         (add_loop_schedule): New.
7316         (build_schedule_pbb): New.
7317         (build_schedule_loop): New.
7318         (embed_in_surrounding_loops): New.
7319         (build_schedule_loop_nest): New.
7320         (build_original_schedule): New.
7321         (build_poly_scop): Call build_original_schedule.
7322         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7323         (free_poly_dr): Remove.
7324         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
7325         (free_poly_bb): Remove.
7326         (debug_loop_vec): Remove.
7327         (print_isl_ast): Declare.
7328         (debug_isl_ast): Declare.
7329         (scop_do_interchange): Remove.
7330         (scop_do_strip_mine): Remove.
7331         (scop_do_block): Remove.
7332         (flatten_all_loops): Remove.
7333         (optimize_isl): Remove.
7334         (pbb_number_of_iterations_at_time): Remove.
7335         (debug_scop_pbb): Declare.
7336         (print_schedule_ast): Declare.
7337         (debug_schedule_ast): Declare.
7338         (struct scop): Remove schedule.  Add original_schedule,
7339         transformed_schedule.
7340         (free_gimple_poly_bb): Remove.
7341         (print_generated_program): Remove.
7342         (debug_generated_program): Remove.
7343         (unify_scattering_dimensions): Remove.
7344         * sese.c (print_edge): ... here.
7345         (print_sese): ... here.
7346         (debug_edge): ... here.
7347         (debug_sese): ... here.
7348         * sese.h (print_edge): Declare.
7349         (print_sese): Declare.
7350         (dump_edge): Declare.
7351         (dump_sese): Declare.
7352
7353 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7354             Sebastian Pop  <s.pop@samsung.com>
7355
7356         * Makefile.in: Set ISLVER in site.exp.
7357
7358 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
7359
7360         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7361         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
7362         through DECL_VALUE_EXPR for expansion.
7363
7364 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7365
7366         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7367         the frame info after reload completed.
7368
7369 2016-01-25  Jeff Law  <law@redhat.com>
7370
7371         PR tree-optimization/69196
7372         PR tree-optimization/68398
7373         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7374         tree-ssa-threadupdate.c.
7375         (determine_bb_domination_status): Prototype
7376         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7377         (determine_bb_domination_status): No longer static.
7378         (valid_jump_thread_path): Remove code to detect characteristics
7379         of the jump thread path not associated with correctness.
7380         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7381         Correct test for thread path length.  Count PHIs for real operands as
7382         statements that need to be copied.  Do not count ASSERT_EXPRs.
7383         Look at all the blocks in the thread path.  Compute and selectively
7384         filter thread paths based on threading through the latch, threading
7385         a multiway branch or crossing a multiway branch.
7386
7387 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7388
7389         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
7390         decl with __attribute__ ((unused)) annotation.
7391
7392 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
7393
7394         PR target/69421
7395         * tree-vect-stmts.c (vectorizable_condition): Check vectype
7396         of operands is compatible with a statement vectype.
7397
7398 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
7399
7400         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7401         improve wording for mixed storage order support.
7402
7403 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
7404
7405         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7406         (vcvt_u64_f64): Likewise.
7407         (vcvta_s64_f64): Likewise.
7408         (vcvta_u64_f64): Likewise.
7409         (vcvtm_s64_f64): Likewise.
7410         (vcvtm_u64_f64): Likewise.
7411         (vcvtn_s64_f64): Likewise.
7412         (vcvtn_u64_f64): Likewise.
7413         (vcvtp_s64_f64): Likewise.
7414         (vcvtp_u64_f64): Likewise.
7415
7416 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
7417
7418         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7419         (arc_init): Check validity mll64 option.
7420         (arc_save_restore): Use double load/store instruction.
7421         (arc_expand_movmem): Likewise.
7422         (arc_split_move): Don't split if we have double load/store
7423         instructions. Returns a boolean.
7424         (arc_process_double_reg_moves): Change function to return boolean
7425         instead of a sequence of instructions.
7426         (arc_dwarf_register_span): New function.
7427         * config/arc/arc-protos.h (arc_split_move): Change prototype.
7428         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7429         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7430         (*movdf_insn): Likewise.
7431         * config/arc/arc.opt (mll64): New option.
7432         * config/arc/predicates.md (even_register_operand): New predicate.
7433         * doc/invoke.texi (ARC Options): Add mll64 documentation.
7434
7435 2016-01-25  Richard Biener  <rguenther@suse.de>
7436
7437         PR lto/69393
7438         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7439         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7440         DECL_NAMELESS.
7441         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7442
7443 2016-01-25  Richard Biener  <rguenther@suse.de>
7444
7445         PR tree-optimization/69376
7446         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7447         flag.
7448         (VN_INFO_ANTI_RANGE_P): New inline.
7449         (VN_INFO_RANGE_TYPE): Likewise.
7450         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7451         SSA_NAME_ANTI_RANGE_P.
7452         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7453         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7454         Properly query VN_INFO_RANGE_TYPE.
7455
7456 2016-01-25  Nick Clifton  <nickc@redhat.com>
7457
7458         PR target/66655
7459         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7460
7461 2016-01-23  Tom de Vries  <tom@codesourcery.com>
7462
7463         PR tree-optimization/69426
7464         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7465         removed clobber.
7466
7467 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
7468
7469         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7470         "the the" with "the" in the comments.
7471         * ipa-devirt.c (build_type_inheritance_graph,
7472         update_type_inheritance_graph): Likewise.
7473         * tree.c (build_function_type_list_1): Likewise.
7474         * cfgloopmanip.c (scale_loop_profile): Likewise.
7475         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7476         * gimple-ssa-split-paths.c
7477         (find_block_to_duplicate_for_splitting_paths): Likewise.
7478         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7479         * expr.c (convert_move): Likewise.
7480         * var-tracking.c (vt_stack_adjustments): Likewise.
7481         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7482         * tree-vrp.c (test_for_singularity): Likewise.
7483
7484         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7485         directly instead of building a temporary tree.
7486
7487         PR bootstrap/69434
7488         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7489         remove <algorithm> include.
7490
7491 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7492
7493         PR target/69432
7494         * config/i386/i386.c: Include dojump.h.
7495         (expand_small_movmem_or_setmem,
7496         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7497         fixes.
7498         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7499         if dynamic_check != -1.
7500
7501 2016-01-21  Jeff Law  <law@redhat.com>
7502
7503         PR middle-end/69347
7504         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7505         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
7506         into dominated_by_p.
7507         (cprop_into_successor_phis): Avoid unnecessary tests.
7508
7509 2016-01-22  Richard Henderson  <rth@redhat.com>
7510
7511         PR target/69416
7512         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7513         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7514
7515 2016-01-22  Michael Matz  <matz@suse.de>
7516
7517         * system.h (string, algorithm): Include only conditionally.
7518         (new): Include always under C++.
7519         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7520         * final.c (toplevel): Ditto.
7521         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7522         * genconditions.c (write_header): Make gencondmd.c define
7523         INCLUDE_STRING.
7524         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7525
7526         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7527         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7528
7529 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7530
7531         PR target/68674
7532         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7533
7534 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7535
7536         PR target/69403
7537         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7538         define_insn_and_split.  Ensure operands[1] and operands[0] do not
7539         get assigned the same register.
7540
7541 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
7542
7543         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7544
7545 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7546
7547         * config/arm/arm-c.c (arm_pragma_target_parse):
7548         Remove warn_builtin_macro_redefined overwrite.
7549
7550 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7551
7552         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7553         flag_non_call_exceptions compatibility.
7554
7555 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7556
7557         PR debug/66668
7558         * dwarf2out.c (add_child_die_after): New function.
7559         (dwarf_qual_info_t): New type.
7560         (dwarf_qual_info): New variable.
7561         (qualified_die_p): New function.
7562         (modified_type_die): For -fdebug-types-section, ensure
7563         canonical order of qualifiers.  Put qualified DIEs adjacent
7564         to the corresponding non-qualified type DIE and search there
7565         for existing qualified DIEs.
7566
7567 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7568
7569         * doc/extend.texi (scalar_storage_order type attribute): Document
7570         restriction on type punning and aliasing, and remove future tense.
7571
7572 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
7573
7574         PR target/69252
7575         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7576         first stage.
7577
7578 2016-01-21  Jeff Law  <law@redhat.com>
7579
7580         PR middle-end/69347
7581         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7582         useless call to record_temporary_equivalences.
7583         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7584         allocate 10 slots in the bb_path vector and let it grow as needed.
7585         (fsm_find_control_statement_thread_paths): Similarly for the next_path
7586         vector.
7587
7588 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7589
7590         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7591         Detangle.
7592         * configure: Regenerate.
7593
7594 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
7595
7596         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7597         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7598
7599 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7600
7601         PR middle-end/66178
7602         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7603         drop EXPAND_INITIALIZER.
7604         * rtl.h (contains_symbolic_reference_p): Declare.
7605         * rtlanal.c (contains_symbolic_reference_p): New function.
7606         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7607         a subtraction into a NOT if symbolic constants are involved.
7608
7609 2016-01-21  Anton Blanchard  <anton@samba.org>
7610             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7611
7612         PR target/63354
7613         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7614         #define.
7615         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7616         function.
7617
7618 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7619
7620         * config/microblaze/microblaze.c
7621         (get_branch_target): New.
7622         (insert_wic_for_ilb_runout): New.
7623         (insert_wic): New.
7624         (microblaze_machine_dependent_reorg): New.
7625         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7626         * config/microblaze/microblaze.md
7627         (UNSPEC_IPREFETCH): Define.
7628         (iprefetch): New pattern
7629         * config/microblaze/microblaze.opt
7630         (mxl-prefetch): New flag.
7631
7632 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7633
7634         * config/microblaze/microblaze.h
7635         (FIXED_REGISTERS): Update in macro.
7636         (CALL_USED_REGISTERS): Update in macro.
7637
7638 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
7639
7640         PR rtl-optimization/68920
7641         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7642         moves.
7643
7644 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7645
7646         PR rtl-optimization/68990
7647         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7648         pseudo instead of inheritance ones.
7649
7650 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7651             Nick Clifton  <nickc@redhat.com>
7652
7653         PR target/69129
7654         PR target/69012
7655         * config/mips/mips.c (mips_compute_frame_info): Initialise
7656         args_size and hard_frame_pointer_offset fields of the frame
7657         structure before calling mips_global_pointer.
7658
7659 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7660
7661         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7662         label reference.
7663         * configure: Regenerate.
7664
7665 2016-01-21  Richard Biener  <rguenther@suse.de>
7666
7667         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7668
7669 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7670
7671         * config/s390/s390.c (s390_asm_declare_function_size): Add code
7672         to actually emit the .size directive.
7673
7674 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
7675              Jakub Jelinek  <jakub@redhat.com>
7676
7677         PR target/69187
7678         PR target/65624
7679         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7680         args array size by one to avoid buffer overflow.
7681
7682 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7683
7684         * config/s390/s390.md (pool_section_start): Use switch_to_section
7685         to select proper read-only data section instead of hardcoding
7686         .rodata.
7687         (pool_section_end): Use switch_to_section to match the above.
7688
7689 2016-01-21  Richard Biener  <rguenther@suse.de>
7690
7691         PR tree-optimization/69378
7692         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7693         (set_ssa_val_to): Use it for dominance checks taking into
7694         account not executable edges.
7695
7696 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7697
7698         PR c++/69355
7699         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7700         for bitsize instead of GET_MODE_PRECISION (mode).
7701
7702 2016-01-20  Martin Sebor  <msebor@redhat.com>
7703
7704         PR c/52291
7705         * extend.texi (__sync Builtins): Clarify the semantics of
7706         __sync_fetch_and_OP built-ins on pointers.
7707         (__atomic Builtins): Same.
7708
7709 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7710             Sebastian Pop  <s.pop@samsung.com>
7711
7712         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7713         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7714         (is_valid_rename): Same.
7715         (translate_isl_ast_to_gimple::get_rename): Same.
7716         (translate_isl_ast_to_gimple::rename_all_uses): Same.
7717         (translate_isl_ast_to_gimple::rename_uses): Same.
7718         (get_new_name): Check for close_phi nodes.
7719         (copy_loop_phi_args): Use phi_node_kind.
7720         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7721         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7722
7723 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7724             Sebastian Pop  <s.pop@samsung.com>
7725
7726         Revert commit r229783.
7727         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7728         Remove use of parameter_rename_map.
7729         (copy_def): Remove.
7730         (copy_internal_parameters): Remove.
7731         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7732         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7733         (free_sese_info): Do not free parameter_rename_map.
7734         (set_rename): Do not use parameter_rename_map.
7735         (rename_uses): Update call to set_rename.
7736         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7737         * sese.h (parameter_rename_map_t): Remove.
7738         (struct sese_info_t): Remove field parameter_rename_map.
7739
7740 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7741             Sebastian Pop  <s.pop@samsung.com>
7742
7743         * graphite-isl-ast-to-gimple.c: Fix comment.
7744         * graphite-scop-detection.c (defined_in_loop_p): New.
7745         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
7746         names defined in loop.
7747
7748 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7749             Sebastian Pop  <s.pop@samsung.com>
7750
7751         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
7752         Discard unstructured if-then-else regions.
7753
7754 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7755             Sebastian Pop  <s.pop@samsung.com>
7756
7757         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
7758         (cleanup_loop_iter_dom): Remove.
7759         (build_loop_iteration_domains): Remove.
7760         (build_scop_context): Remove.
7761         (build_scop_iteration_domain): Remove.
7762         (add_loop_constraints): New.
7763         (build_iteration_domains): New.
7764         (build_poly_scop): Call build_iteration_domains.
7765
7766 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7767             Sebastian Pop  <s.pop@samsung.com>
7768
7769         * graphite-scop-detection.c
7770         (scop_detection::harmful_loop_in_region): Free dom and loops.
7771         (scop_detection::loop_body_is_valid_scop): Free bbs.
7772
7773 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7774             Sebastian Pop  <s.pop@samsung.com>
7775
7776         * graphite-scop-detection.c (record_loop_in_sese): New.
7777         (gather_bbs::before_dom_children): Call record_loop_in_sese.
7778         (build_scops): Remove call to build_sese_loop_nests.
7779         * sese.c (sese_record_loop): Remove.
7780         (build_sese_loop_nests): Remove.
7781         (new_sese_info): Remove region->loops.
7782         (free_sese_info): Same.
7783         * sese.h (sese_contains_loop): Same.
7784         (build_sese_loop_nests): Remove.
7785         (sese_contains_loop): Remove.
7786
7787 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7788             Sebastian Pop  <s.pop@samsung.com>
7789
7790         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
7791         loop_is_valid_in_scop.
7792         (scop_detection::harmful_stmt_in_region): Renamed
7793         harmful_loop_in_region.
7794         Call loop_is_valid_in_scop.
7795
7796 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7797             Sebastian Pop  <s.pop@samsung.com>
7798
7799         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
7800         isl_ast_node_mark.
7801
7802 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7803             Sebastian Pop  <s.pop@samsung.com>
7804
7805         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
7806         * graphite.h (struct poly_bb): Remove field is_reduction.
7807         (PBB_IS_REDUCTION): Remove.
7808
7809 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7810             Sebastian Pop  <s.pop@samsung.com>
7811
7812         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
7813         (add_pdr_constraints): Same.
7814         (scop_get_reads): Same.
7815         (scop_get_must_writes): Same.
7816         (scop_get_may_writes): Same.
7817         (scop_get_original_schedule): Same.
7818         (extend_schedule): Same.
7819         (apply_schedule_on_deps): Same.
7820         (carries_deps): Same.
7821         (compute_deps): Same.
7822         (scop_get_dependences): Same.
7823         * graphite-isl-ast-to-gimple.c
7824         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
7825         * graphite-optimize-isl.c (get_schedule_for_band): Same.
7826         (get_schedule_for_band_list): Same.
7827         (get_schedule_map): Same.
7828         (apply_schedule_map_to_scop): Same.
7829         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
7830         (build_loop_iteration_domains): Same.
7831         (add_condition_to_pbb): Same.
7832         (add_param_constraints): Same.
7833         (pdr_add_memory_accesses): Same.
7834         (pdr_add_data_dimensions): Same.
7835
7836 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
7837
7838         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
7839         requirements.
7840
7841 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
7842
7843         * common.opt (feliminate-dwarf2-dups): Replace references to
7844         "DWARF 2" with just "DWARF".
7845         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
7846         * doc/extend.texi: Likewise.
7847         * doc/cpp.texi: Likewise.
7848         * doc/invoke.texi: Likewise.
7849         (Option Summary): Add -gdwarf to list of Debugging Options.
7850         (Debugging Options): Document -gdwarf.
7851         * doc/contrib.texi: Spell "DWARF" like that.
7852
7853 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7854
7855         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
7856         warning.  Fix up formatting.
7857
7858         PR middle-end/67653
7859         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
7860         attempt to mark memory input operand addressable and
7861         call prepare_gimple_addressable in that case.  Don't adjust
7862         input_location for diagnostics, use error_at instead.
7863
7864 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
7865
7866         * config/rs6000/ppc-auxv.h: New file.
7867         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
7868         (cpu_is): Likewise.
7869         (cpu_supports): Likewise.
7870         * config/rs6000/rs6000.c: include "ppc-auxv.h".
7871         (cpu_is_info): New variable.
7872         (cpu_supports_info): Likewise.
7873         (tcb_verification_symbol): Likewise.
7874         (cpu_builtin_p): Likewise.
7875         (cpu_expand_builtin): New function.
7876         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
7877         (rs6000_init_builtins): Likewise.
7878         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
7879         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
7880         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
7881         * configure: Regenerate.
7882         * config.in: Likewise.
7883         * doc/extend.texi (PowerPC Built-in Functions): Document
7884         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
7885
7886 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
7887
7888         PR target/68609
7889         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
7890         domain check.
7891         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
7892         for V4SFmode.
7893
7894 2016-01-20  Richard Henderson  <rth@redhat.com>
7895
7896         PR bootstrap/69343
7897         PR bootstrap/69339
7898         PR tree-opt/68964
7899         Revert:
7900         * tree.c (tm_define_builtin): New.
7901         (find_tm_vector_type): New.
7902         (build_tm_vector_builtins): New.
7903         (build_common_builtin_nodes): Call it.
7904
7905 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
7906
7907         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
7908         (arm_fp_ok): Likewise.
7909         (arm_fp): Likewise.
7910         (arm_crypto): Likewise.
7911
7912 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
7913             Richard Biener  <rguenther@suse.de>
7914
7915         PR tree-optimization/69328
7916         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
7917         vectors have same number of elements.
7918         (vectorizable_condition): Fix masked version recognition.
7919
7920 2016-01-20  Richard Biener  <rguenther@suse.de>
7921
7922         PR tree-optimization/69345
7923         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
7924         (VN_INFO_PTR_INFO): Likewise.
7925         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
7926         info when it is equal between non-dominating SSA names.
7927         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7928         Make sure to look at original SSA infos.
7929
7930 2016-01-20  Jeff Law  <law@redhat.com>
7931
7932         PR target/25114
7933         * config/m68k/predicates.md (pow2_m1_operand): New predicate
7934         extracted from ...
7935         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
7936         (pc_or_label_operand): New predicate.
7937         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
7938         tests for small integers that are 2^n - 1.
7939
7940 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
7941
7942         * doc/invoke.texi (Options Summary): Add '.' after @xref.
7943
7944 2016-01-19  Jeff Law  <law@redhat.com>
7945
7946         PR middle-end/69347
7947         * tree-ssa-threadbackwards.c
7948         (fsm_find_control_statement_thread_paths): Do not try to lookup
7949         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
7950
7951 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
7952
7953         * doc/lto.texi: Remove text that says only Gold has linker plugin
7954         support.
7955
7956 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
7957
7958         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
7959         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
7960         the DIE accordingly.
7961         (modified_type_die): Add REVERSE parameter and pass it recursively,
7962         as well as to base_type_die.  Adjust presence check accordingly.
7963         (base_type_for_mode): Adjust call to modified_type_die.
7964         (add_type_attribute): Add REVERSE parameter and pass it to
7965         modified_type_die.
7966         (generic_parameter_die): Adjust call to add_type_attribute.
7967         (add_scalar_info): Likewise.
7968         (add_subscript_info): Likewise.
7969         (gen_array_type_die): Likewise.
7970         (gen_descr_array_type_die): Likewise.
7971         (gen_entry_point_die): Likewise.
7972         (gen_enumeration_type_die): Likewise.
7973         (gen_formal_parameter_die): Likewise.
7974         (gen_subprogram_die): Likewise.
7975         (gen_variable_die ): Likewise.
7976         (gen_const_die): Likewise.
7977         (gen_field_die): Likewise.
7978         (gen_pointer_type_die): Likewise.
7979         (gen_reference_type_die): Likewise.
7980         (gen_ptr_to_mbr_type_die): Likewise.
7981         (gen_inheritance_die): Likewise.
7982         (gen_subroutine_type_die): Likewise.
7983         (gen_typedef_die): Likewise.
7984         (force_type_die): Adjust call to modified_type_die.
7985
7986 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
7987
7988         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
7989         flow throughout the file.  Fix broken link to Objective-C 2.0
7990         documentation.
7991         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
7992         errors.
7993
7994 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
7995
7996         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
7997
7998 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
7999
8000         PR ipa/66223
8001         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8002         (maybe_record_node): Record cxa_pure_virtual as the only possible
8003         target if there are not ohter candidates.
8004         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8005
8006 2016-01-19  Richard Biener  <rguenther@suse.de>
8007
8008         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8009         (get_memory_order): Likewise.
8010
8011 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
8012
8013         * tree-vect-stmts.c (vectorizable_store): Check
8014         rhs vectype.
8015
8016 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
8017
8018         PR jit/68446
8019         * gcc.c (driver::decode_argv): Add call to
8020         init_opts_obstack before init_options_struct.
8021         * opts.c (init_opts_obstack): Remove idempotency.
8022         (init_options_struct): Replace call to init_opts_obstack
8023         with a gcc_assert to verify that it has already been called.
8024         * toplev.c (toplev::main): Add call to init_opts_obstack before
8025         calls to init_options_struct.
8026         (toplev::finalize): Move cleanup of opts_obstack next to
8027         cleanup of save_decoded_options, clearing the latter, and
8028         save_decoded_options_count.
8029
8030 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8031
8032         PR target/69135
8033         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8034         attribute to unconditional.  Remove %? from output template.
8035
8036 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8037             Jiong Wang  <jiong.wang@arm.com>
8038
8039         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8040         generated from different expand order.
8041
8042 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8043
8044         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8045         Add support for CCMP costing.
8046
8047 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8048
8049         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8050         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8051         (fccmpe<mode>): Likewise.
8052         (fcmp): Rename to fcmp and globalize pattern.
8053         (fcmpe): Likewise.
8054         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8055         (aarch64_gen_ccmp_next): Add FP support.
8056
8057 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8058
8059         * target.def (gen_ccmp_first): Update documentation.
8060         (gen_ccmp_next): Likewise.
8061         * doc/tm.texi (gen_ccmp_first): Update documentation.
8062         (gen_ccmp_next): Likewise.
8063         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8064         expand_ccmp_expr_1.  Improve comments.
8065         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8066         (ccmp_ior<mode>): Remove pattern.
8067         (cmp<mode>): Remove expand.
8068         (cmp): Globalize pattern.
8069         (cstorecc4): Use cc_register.
8070         (mov<mode>cc): Remove ccmp_cc_register check.
8071         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8072         Simplify after removal of CC_DNE/* modes.
8073         (aarch64_ccmp_mode_to_code): Remove.
8074         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
8075         In 'k' case use integer as condition.
8076         (aarch64_nzcv_codes): Remove inverted cases.
8077         (aarch64_code_to_ccmode): Remove.
8078         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
8079         comparison with CC register to be used in folowing CCMP/branch/CSEL.
8080         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8081         pattern.  Return the comparison with CC register.  Invert conditions
8082         when bitcode is OR.
8083         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8084         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8085
8086 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8087
8088         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8089         instrumented_version.
8090
8091 2016-01-19  Richard Biener  <rguenther@suse.de>
8092
8093         PR tree-optimization/69336
8094         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8095         handled components with get_ref_base_and_extent.
8096         (equal_mem_array_ref_p): Adjust.
8097
8098 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8099
8100         PR debug/65779
8101         * shrink-wrap.c: Include valtrack.h.
8102         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
8103         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8104         in between insn and where it will be moved to.  Call
8105         dead_debug_insert_temp.
8106         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
8107         first and dead_debug_local_finish at the end.
8108         For uses and defs bitmap, handle all regs in between REGNO and
8109         END_REGNO, not just the first one.
8110
8111 2016-01-19  Richard Biener  <rguenther@suse.de>
8112
8113         PR tree-optimization/69352
8114         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8115         (equal_mem_array_ref_p): Constrain size and max size properly.
8116         Compare the reverse flag.
8117
8118 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
8119
8120         * ira.c (ira): Update regstat data if we deleted insns.
8121
8122 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8123
8124         PR rtl-optimization/68955
8125         PR rtl-optimization/64557
8126         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8127         here.  Fix up formatting.
8128         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8129
8130 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8131
8132         PR lto/69133
8133         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8134         assume that the node has body.
8135         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8136         check.
8137
8138 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8139
8140         * lto-streamer-out.c (lto_output): Do not stream instrumentation
8141         thunks.
8142
8143 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8144
8145         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8146         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8147
8148 2016-01-19  Martin Jambor  <mjambor@suse.cz>
8149             Martin Liska  <mliska@suse.cz>
8150             Michael Matz  <matz@suse.de>
8151
8152         * Makefile.in (OBJS): Add new source files.
8153         (GTFILES): Add hsa.c.
8154         * common.opt (disable_hsa): New variable.
8155         (-Whsa): New warning.
8156         * config.in (ENABLE_HSA): New.
8157         * configure.ac: Treat hsa differently from other accelerators.
8158         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8159         $enable_offloading.
8160         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8161         * doc/install.texi (Configuration): Document --with-hsa-runtime,
8162         --with-hsa-runtime-include, --with-hsa-runtime-lib and
8163         --with-hsa-kmt-lib.
8164         * doc/invoke.texi (-Whsa): Document.
8165         (hsa-gen-debug-stores): Likewise.
8166         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8167         to invoke offload compiler for hsa acclerator.
8168         * opts.c (common_handle_option): Determine whether HSA offloading
8169         should be performed.
8170         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8171         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8172         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8173         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8174         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8175         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8176         GF_OMP_FOR_KIND_GRID_LOOP.
8177         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8178         (pp_gimple_stmt_1): Likewise.
8179         * gimple-walk.c (walk_gimple_stmt): Likewise.
8180         * gimple.c (gimple_build_omp_grid_body): New function.
8181         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8182         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8183         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8184         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8185         GF_OMP_TEAMS_GRID_PHONY.
8186         (gimple_statement_omp_single_layout): Updated comments.
8187         (gimple_build_omp_grid_body): New function.
8188         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8189         (gimple_omp_for_grid_phony): New function.
8190         (gimple_omp_for_set_grid_phony): Likewise.
8191         (gimple_omp_parallel_grid_phony): Likewise.
8192         (gimple_omp_parallel_set_grid_phony): Likewise.
8193         (gimple_omp_teams_grid_phony): Likewise.
8194         (gimple_omp_teams_set_grid_phony): Likewise.
8195         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8196         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8197         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8198         (BUILT_IN_GOMP_TARGET): Updated type.
8199         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8200         (adjust_for_condition): New function.
8201         (get_omp_for_step_from_incr): Likewise.
8202         (extract_omp_for_data): Moved parts to adjust_for_condition and
8203         get_omp_for_step_from_incr.
8204         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8205         (fixup_child_record_type): Bail out if receiver_decl is NULL.
8206         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8207         (scan_omp_parallel): Do not create child functions for phony
8208         constructs.
8209         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8210         (scan_omp_1_op): Checking assert we are not remapping to
8211         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
8212         (parallel_needs_hsa_kernel_p): New function.
8213         (expand_parallel_call): Register apprpriate parallel child
8214         functions as HSA kernels.
8215         (grid_launch_attributes_trees): New type.
8216         (grid_attr_trees): New variable.
8217         (grid_create_kernel_launch_attr_types): New function.
8218         (grid_insert_store_range_dim): Likewise.
8219         (grid_get_kernel_launch_attributes): Likewise.
8220         (get_target_argument_identifier_1): Likewise.
8221         (get_target_argument_identifier): Likewise.
8222         (get_target_argument_value): Likewise.
8223         (push_target_argument_according_to_value): Likewise.
8224         (get_target_arguments): Likewise.
8225         (expand_omp_target): Call get_target_arguments instead of looking
8226         up for teams and thread limit.
8227         (grid_expand_omp_for_loop): New function.
8228         (grid_arg_decl_map): New type.
8229         (grid_remap_kernel_arg_accesses): New function.
8230         (grid_expand_target_kernel_body): New function.
8231         (expand_omp): Call it.
8232         (lower_omp_for): Do not emit phony constructs.
8233         (lower_omp_taskreg): Do not emit phony constructs but create for them
8234         a temporary variable receiver_decl.
8235         (lower_omp_taskreg): Do not emit phony constructs.
8236         (lower_omp_teams): Likewise.
8237         (lower_omp_grid_body): New function.
8238         (lower_omp_1): Call it.
8239         (grid_reg_assignment_to_local_var_p): New function.
8240         (grid_seq_only_contains_local_assignments): Likewise.
8241         (grid_find_single_omp_among_assignments_1): Likewise.
8242         (grid_find_single_omp_among_assignments): Likewise.
8243         (grid_find_ungridifiable_statement): Likewise.
8244         (grid_target_follows_gridifiable_pattern): Likewise.
8245         (grid_remap_prebody_decls): Likewise.
8246         (grid_copy_leading_local_assignments): Likewise.
8247         (grid_process_kernel_body_copy): Likewise.
8248         (grid_attempt_target_gridification): Likewise.
8249         (grid_gridify_all_targets_stmt): Likewise.
8250         (grid_gridify_all_targets): Likewise.
8251         (execute_lower_omp): Call grid_gridify_all_targets.
8252         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8253         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8254         (tree_omp_clause): Added union field dimension.
8255         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8256         * tree.c (omp_clause_num_ops): Added number of arguments of
8257         OMP_CLAUSE__GRIDDIM_.
8258         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8259         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8260         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8261         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8262         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8263         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8264         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8265         * tree-pass.h (make_pass_gen_hsail): Declare.
8266         (make_pass_ipa_hsa): Likewise.
8267         * ipa-hsa.c: New file.
8268         * lto-section-in.c (lto_section_name): Add hsa section name.
8269         * lto-streamer.h (lto_section_type): Add hsa section.
8270         * timevar.def (TV_IPA_HSA): New.
8271         * hsa-brig-format.h: New file.
8272         * hsa-brig.c: New file.
8273         * hsa-dump.c: Likewise.
8274         * hsa-gen.c: Likewise.
8275         * hsa.c: Likewise.
8276         * hsa.h: Likewise.
8277         * toplev.c (compile_file): Call hsa_output_brig.
8278         * hsa-regalloc.c: New file.
8279
8280 2016-01-18  Jeff Law  <law@redhat.com>
8281
8282         PR tree-optimization/69320
8283         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8284         ranged object, do nothing if the RHS constant is not [0..1].
8285         (optimize_stmt): Comparing a boolean ranged object against a
8286         constant outside [0..1] results in a compile-time constant.
8287
8288         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8289         test.
8290
8291 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
8292
8293         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8294         (Option Summary): Update to reflect new section and moved options.
8295         (C++ Dialect Options): Move -fstats to new section.
8296         (Debugging Options): Move all dump, statistics, and other GCC
8297         developer options to new section.  Rewrite section introduction
8298         and re-order remaining options to put the more basic ones first.
8299         (Optimization Options): Move -fira-verbose and -flto-report* to
8300         new section.
8301         (Developer Options): New section incorporating moved options.
8302         * doc/cppopts.texi (-dM): Update cross-reference.
8303
8304 2016-01-18  Richard Henderson  <rth@redhat.com>
8305
8306         PR target/69176
8307         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8308         operands to pseudo only if CSE is expected.  Split long immediate
8309         operands only after reload, and for the stack pointer.
8310         (*add<GPI>3_pluslong): Remove.
8311         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8312         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
8313         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8314         (*add<GPI>3 peepholes): New.
8315         (*add<GPI>3 splitters): New.
8316         * config/aarch64/constraints.md (Upl): New.
8317         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8318
8319 2016-01-18  Richard Biener  <rguenther@suse.de>
8320
8321         PR tree-optimization/69297
8322         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8323         stmt at most once.
8324         (vect_bb_vectorization_profitable_p): Clear visited flag again.
8325
8326 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
8327
8328         PR middle-end/68542
8329         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8330         of mixind vector and scalar types.
8331         (fold_relational_const): Add handling of vector
8332         comparison with boolean result.
8333         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8334         comparison of vector operands with boolean result for EQ/NE only.
8335         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8336         (verify_gimple_cond): Likewise.
8337         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8338         valid type of VAL.
8339
8340 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
8341
8342         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8343         !TARGET_OCTEON.
8344
8345 2016-01-18  Richard Biener  <rguenther@suse.de>
8346
8347         PR middle-end/69308
8348         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8349
8350 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8351
8352         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8353
8354 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8355
8356         * omp-low.c (set_oacc_fn_attrib): Make extern.
8357         * omp-low.h (set_oacc_fn_attrib): Declare.
8358         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8359         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8360         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8361         Add and handle function parameter oacc_kernels_p.
8362         (find_reduc_addr, get_omp_data_i_param): New function.
8363         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8364         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8365         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8366         Calculate dominance info.  Skip loops that are not in a kernels region
8367         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
8368         (pass_parallelize_loops::execute): Call parallelize_loops with
8369         oacc_kernels_p argument.
8370         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8371         New member function.
8372         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8373         * passes.def: Add argument to pass_parallelize_loops instantation.
8374
8375 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8376
8377         * tree-parloops.c (pass_parallelize_loops::execute): Allow
8378         pass_parallelize_loops to be run outside the loop pipeline.
8379
8380 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8381
8382         * tree-scalar-evolution.c (follow_copies_to_constant): New.
8383         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8384
8385 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8386
8387         PR target/63679
8388         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8389         using get_ref_base_and_extent.
8390         (equal_mem_array_ref_p): New.
8391         (hashable_expr_equal_p): Add call to previous.
8392
8393 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8394
8395         PR target/63679
8396         * tree-sra.c (disqualified_constants, constant_decl_p): New.
8397         (sra_initialize): Allocate disqualified_constants.
8398         (sra_deinitialize): Free disqualified_constants.
8399         (disqualify_candidate): Update disqualified_constants when appropriate.
8400         (create_access): Scan for constant-pool entries as we go along.
8401         (scalarizable_type_p): Add check against type_contains_placeholder_p.
8402         (maybe_add_sra_candidate): Allow constant-pool entries.
8403         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8404         (initialize_constant_pool_replacements): New.
8405         (sra_modify_assign): Avoid mangling assignments created by previous,
8406         and don't generate writes into constant pool.
8407         (sra_modify_function_body): Call initialize_constant_pool_replacements.
8408
8409 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
8410
8411         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8412         andnot instruction.
8413         (scalar_chain::convert_op): Likewise.
8414         * config/i386/i386.md (*andndi3_doubleword): New.
8415
8416 2016-01-18  Richard Biener  <rguenther@suse.de>
8417
8418         PR tree-optimization/69170
8419         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8420         building a vector from scalar results of a pattern stmt.
8421
8422 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
8423
8424         * haifa-sched.c (autopref_multipass_init): Work around
8425         -Wmaybe-uninitialized warning.
8426
8427 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8428
8429         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8430         against the constant 0.
8431
8432 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8433
8434         PR tree-optimization/68799
8435         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8436         look up phi candidates in the statement-candidate map.
8437         (phi_add_costs): Likewise.
8438         (record_phi_increments): Likewise.
8439         (phi_incr_cost): Likewise.
8440         (ncd_with_phi): Likewise.
8441         (all_phi_incrs_profitable): Likewise.
8442
8443 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
8444
8445         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8446         -Wmaybe-uninitialized warning.
8447
8448 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
8449
8450         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8451         (Option Summary): Update to reflect new section and moved options.
8452         (C++ Dialect Options): Move -fvtable-verify and related options.
8453         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8454         and profiling-related options.
8455         (Optimization Options): Move profile generation options and
8456         -fstack-protector and related options.
8457         (Instrumentation Options): New section incorporating moved options.
8458         (Code Generation Options): Move -finstrument-functions and
8459         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8460
8461 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8462
8463         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8464
8465 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8466
8467         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
8468
8469 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
8470
8471         * hash-table.h (hash_table::empty): Turn into an inline wrapper
8472         that checks whether the table is already empty.  Rename the
8473         original implementation to...
8474         (hash_table::empty_slot): ...this new private function.
8475
8476 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
8477
8478         PR diagnostic/68899
8479         * diagnostic-show-locus.c (layout::print_source_line): Move x
8480         offset of line until after call to
8481         get_line_width_without_trailing_whitespace.
8482
8483 2016-01-15  Jeff Law  <law@redhat.com>
8484
8485         PR tree-optimization/69270
8486         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8487         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
8488         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8489         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8490         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8491         ssa_name_has_boolean_range and constant_boolean_node.
8492
8493 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
8494
8495         PR rtl-optimization/69030
8496         * lra-spills.c (remove_pseudos): Check nrefs and make the function
8497         returning bool.
8498         (spill_pseudos): Delete debug insn for dead pseudo.
8499         (lra_spill): Initiate spill_hard_reg and slots memory separately.
8500
8501 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
8502
8503         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8504         New.
8505         (TYPES_UNOPUS): Likewise.
8506         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8507         builtin type, from UNOP to UNOPUS.
8508         (lbtruncuv4sf): Likewise.
8509         (lbtruncuv2df): Likewise.
8510         (lrounduv2sf): Likewise.
8511         (lrounduv4sf): Likewise.
8512         (lrounduv2df): Likewise.
8513         (lroundusf): Likewise.
8514         (lroundusf): Likewise.
8515         (lceiluv2sf): Likewise.
8516         (lceiluv4sf): Likewise.
8517         (lceiluv2df): Likewise.
8518         (lceilusf): Likewise.
8519         (lceiludf): Likewise.
8520         (lflooruv2sf): Likewise.
8521         (lflooruv4sf): Likewise.
8522         (lflooruv2df): Likewise.
8523         (lfloorusf): Likewise.
8524         (lfloorudf): Likewise.
8525         (lfrintnuv2sf): Likewise.
8526         (lfrintnuv4sf): Likewise.
8527         (lfrintnuv2df): Likewise.
8528         (lfrintnusf): Likewise.
8529         (lfrintnudf): Likewise.
8530         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8531         conversion.
8532         (vcvtq_u32_f32): Likewise.
8533         (vcvtq_u64_f64): Likewise.
8534         (vcvta_u32_f32): Likewise.
8535         (vcvtaq_u32_f32): Likewise.
8536         (vcvtaq_u64_f64): Likewise.
8537         (vcvtm_u32_f32): Likewise.
8538         (vcvtmq_u32_f32): Likewise.
8539         (vcvtmq_u64_f64): Likewise.
8540         (vcvtn_u32_f32): Likwise.
8541         (vcvtnq_u32_f32): Likewise.
8542         (vcvtnq_u64_f64): Likewise.
8543         (vcvtp_u32_f32): Likewise.
8544         (vcvtpq_u32_f32): Likewise.
8545         (vcvtpq_u64_f64): Likewise.
8546         (vcvtmd_u64_f64): Likewise.
8547         (vcvtms_u32_f32): Likewise.
8548         (vcvtad_u64_f64): Likewise.
8549         (vcvtas_u32_f32): Likewise.
8550         (vcvtnd_u64_f64): Likewise.
8551         (vcvtns_u32_f32): Likewise.
8552         (vcvtpd_u64_f64): Likewise.
8553         (vcvtps_u32_f32): Likewise.
8554
8555 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8556
8557         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8558         CSEL of zero_extended registers.
8559
8560 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8561
8562         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8563         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8564
8565 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8566
8567         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8568         false when argument string is not found in the attributes table
8569         at all.
8570
8571 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
8572
8573         PR target/68609
8574         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8575         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8576         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8577         precision estimate.
8578
8579 2016-01-15  Richard Biener  <rguenther@suse.de>
8580
8581         PR tree-optimization/66856
8582         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8583         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8584         (vect_create_new_slp_node): Increment stmt reference count.
8585         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8586         an SLP tree before swapping operands.
8587         (vect_build_slp_tree): Likewise.
8588         (destroy_bb_vec_info): Free stmt info after SLP instances.
8589         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8590         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8591         (STMT_VINFO_NUM_SLP_USES): New macro.
8592
8593 2016-01-15  Richard Biener  <rguenther@suse.de>
8594
8595         PR debug/69137
8596         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8597         (add_linkage_name): ... here.
8598         (gen_typedef_die): Use add_linkage_name_raw instead of
8599         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8600         if necessary.
8601
8602 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
8603
8604         * gimplify.c (oacc_default_clause): Decode reference and pointer
8605         types for both kernels and parallel regions.
8606
8607 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8608
8609         PR middle-end/69246
8610         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8611
8612 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8613
8614         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8615         (convert_scalars_to_vector): Likewise.
8616
8617 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
8618
8619         * doc/extend.texi (Type Traits): Fix grammar.
8620
8621 2016-01-15  Martin Jambor  <mjambor@suse.cz>
8622
8623         * tree-inline.c (remap_decl): Use existing dclarations if
8624         remapping a type and prevent_decl_creation_for_types.
8625         (replace_locals_stmt): Do an initial remapping of non-VLA typed
8626         decls first.  Do real remapping with
8627         prevent_decl_creation_for_types set.
8628         * tree-inline.h (copy_body_data): New field
8629         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8630         padding.
8631
8632 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8633
8634         * config/s390/s390.opt (mmvcle): More verbose help text.
8635
8636 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8637
8638         * config/s390/s390.opt: Add period to -mzvector option text.
8639
8640 2016-01-15  Richard Biener  <rguenther@suse.de>
8641
8642         PR tree-optimization/68961
8643         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8644         of invariants in stores again.
8645
8646 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8647
8648         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8649
8650 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8651
8652         * config/i386/i386.c (ix86_expand_branch): Don't split
8653         DI mode xor instruction to SI mode.
8654
8655 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8656
8657         PR ipa/68148
8658         * ipa-icf.c (sem_function::merge): Virtual functions may become
8659         reachable even if they address is not taken and there are no
8660         idrect calls.
8661
8662 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8663
8664         * lto-streamer-out.c (subtract_estimated_size): New function.
8665         (get_symbol_initial_value): Use it.
8666
8667 2016-01-15  Christian Bruel  <christian.bruel@st.com>
8668
8669         PR target/65837
8670         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8671         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8672         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8673         use add_builtin_function_ext_scope instead of add_builtin_function.
8674         (neon_set_p, neon_crypto_set_p): Remove.
8675         (arm_init_builtins): Always call arm_init_neon_builtins and
8676         arm_init_crypto_builtins.
8677         (arm_expand_builtin): Check that builtins are allowed for the arch.
8678         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8679         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8680         arm_init_neon_builtins call.
8681
8682 2016-01-15  Richard Biener  <rguenther@suse.de>
8683
8684         PR tree-optimization/69117
8685         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8686         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8687         of the leader conservatively.
8688         (free_scc_vn): Restore original SSA name infos.
8689
8690 2016-01-14  Jeff Law  <law@redhat.com>
8691
8692         PR tree-optimization/69270
8693         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8694         single bit of precision, verify it's also unsigned.
8695         (record_edge_info): Use constant_boolean_node rather than fold_convert
8696         to convert boolean_true/boolean_false to the right type.
8697
8698 2016-01-14  Richard Henderson  <rth@redhat.com>
8699
8700         PR rtl-opt/69014
8701         * loop-doloop.c (record_reg_sets): New.
8702         (doloop_optimize): Reject the transform if the sequence
8703         clobbers registers live at the end of the loop block.
8704         (doloop_optimize_loops): Enable df_live if needed.
8705
8706 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8707
8708         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8709         * gcc/config/rs6000/rs6000.c: Likewise.
8710         * gcc/config/rs6000/rs6000.h: Likewise.
8711         * gcc/config/rs6000/rs6000.md: Likewise.
8712         * gcc/doc/extend.texi: Likewsie.
8713
8714 2016-01-14  Jeff Law  <law@redhat.com>
8715
8716         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8717         typo.
8718
8719 2016-01-14  Richard Henderson  <rth@redhat.com>
8720
8721         PR c/69272
8722         PR tree-opt/68964
8723         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8724         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8725         instead of builtin_decl_declared_p to test for declaration.
8726
8727 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
8728
8729         * doc/loop.texi (Loop Analysis and Representation): Document
8730         loop_depth function.
8731
8732 2016-01-14  Tom de Vries  <tom@codesourcery.com>
8733
8734         PR tree-optimization/68773
8735         * omp-low.c (expand_omp_target): Don't set force_output.
8736         * varpool.c (varpool_node::get_create): Same.
8737         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8738         offload_funcs with force_output.
8739
8740 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8741
8742         PR debug/69244
8743         * lra-eliminations.c (move_plus_up): Don't change anything if either
8744         the outer or inner subreg mode is not MODE_INT.
8745         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
8746         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
8747
8748 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8749
8750         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
8751         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
8752         reduc_uplus_@var{m}): Remove.
8753         * expr.c (expand_expr_real_2): Remove expansion path for
8754         reduc_[us](min|max|plus) optabs.
8755         * optabs-tree.c (scalar_reduc_to_vector): Remove.
8756         * optabs-tree.h (scalar_reduc_to_vector): Remove.
8757         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
8758         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
8759         * tree-vect-loop.c (vectorizable_reduction): Remove test for
8760         reduc_[us](min|max|plus) optabs.
8761
8762 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
8763
8764         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
8765         (reduc_plus_scal_v2sf): New.
8766         (reduc_smax_v2sf): Rename to...
8767         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
8768         (reduc_smin_v2sf): Rename to...
8769         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
8770
8771 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
8772
8773         * alias.c (compare_base_symbol_refs): New function.
8774         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
8775         it.
8776
8777 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8778
8779         PR middle-end/68146
8780         PR tree-optimization/69155
8781         * tree-complex.c: Include cfganal.h.
8782         (phis_to_revisit): New variable.
8783         (extract_component): Add phiarg_p argument.  Assert that returned
8784         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
8785         (update_phi_components): Partly rewrite to use loop over real/imag
8786         components instead of code duplication.  If extract_component returns
8787         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
8788         create_tmp_reg into the PHI node instead, and mention the phi triplet
8789         in phis_to_revisit.
8790         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
8791         in phis_to_revisit at the end.
8792
8793 2016-01-14  Richard Biener  <rguenther@suse.de>
8794
8795         PR tree-optimization/68060
8796         * tree-vect-loop.c (vect_is_simple_reduction): Check the
8797         outer loop reduction is only used in the inner loop before
8798         detecting a double reduction.
8799
8800 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
8801
8802         PR target/68269
8803         * combine.c (expand_field_assignment): Punt if compute_mode is
8804         unsupported scalar mode.
8805
8806 2016-01-14  Richard Biener  <rguenther@suse.de>
8807
8808         PR tree-optimization/66856
8809         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
8810         SLP node only if it built successfully.
8811         (vect_analyze_slp_instance): Adjust.
8812
8813 2016-01-14  Jeff Law  <law@redhat.com>
8814
8815         PR tree-optimization/69270
8816         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
8817         (record_edge_info): Use it.  Convert boolean_{true,false}_node
8818         to the type of op0.
8819
8820 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
8821
8822         PR ipa/66487
8823         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
8824         use block_ultimate_origin
8825         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
8826
8827 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
8828
8829         * doc/invoke.texi (Submodel Options): Rename section to
8830         "Machine-Dependent Options" to better reflect its content.
8831         Rewrite introductory text to remove archaic CPU names.
8832         Update references.
8833
8834 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
8835
8836         * doc/invoke.texi (Code Gen Options): Move section up in file,
8837         before target-specific options.  Update menu and option summary
8838         to reflect the new section ordering.
8839
8840 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
8841
8842         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
8843         (C++ Dialect Options): Add cross-reference to -std option.
8844         * doc/standards.texi (C++ Language): Document C++14 support.
8845
8846 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
8847
8848         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
8849         for pack/unpack functions for __ibm128.
8850         (PACK_IF): Likewise.
8851         (UNPACK_IF): Likewise.
8852
8853         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
8854         support for __ibm128 pack/unpack functions.
8855         (rs6000_invalid_builtin): Likewise.
8856         (rs6000_init_builtins): Likewise.
8857         (rs6000_opt_masks): Likewise.
8858
8859         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
8860         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
8861         functions
8862         (RS6000_BTM_COMMON): Likewise.
8863
8864         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
8865         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
8866         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
8867         128-bit floating point.  Add support for the double values to be
8868         in Altivec registers for TF/IF packing and unpacking, but restrict
8869         TD packing sub-fields to be FPR registers.  Don't allow overlapped
8870         register support for packing.  Allow pack inputs to be memory
8871         locations.  Don't build generator functions for unpack<mode>_dm
8872         and unpack<mode>_nodm.
8873         (unpack<mode>_dm): Likewise.
8874         (unpack<mode>_nodm): Likewise.
8875         (pack<mode>): Likewise.
8876
8877         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
8878         built-in functions to pack/unpack explicit __ibm128 values.
8879         (__builtin_unpack_ibm128): Likewise.
8880
8881         * doc/extend.texi (PowerPC Built-in Functions): Document
8882         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
8883
8884 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
8885
8886         PR c/66208
8887         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
8888         Add new arg loc and pass it down as context.
8889         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
8890         to the location to use for the warning.
8891         (check_function_arguments): New arg loc.  All callers changed.  Pass
8892         it to check_function_nonnull.
8893         * c-common.h (check_function_arguments): Adjust declaration.
8894
8895 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
8896
8897         PR tree-optimization/69156
8898         * gimple.c (validate_type): Removed.
8899         (gimple_builtin_call_types_compatible_p): Use
8900         useless_type_conversion_p instead of validate_type.
8901         * value-prof.c (gimple_stringop_fixed_value): Fold
8902         icall_size to correct type.
8903
8904 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
8905
8906         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
8907         effects.
8908
8909 2016-01-13  Richard Henderson  <rth@redhat.com>
8910
8911         PR tree-opt/68964
8912         * target.def (builtin_tm_load, builtin_tm_store): Remove.
8913         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
8914         (ix86_builtin_tm_store): Remove.
8915         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8916         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8917         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
8918         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
8919         * doc/tm.texi: Rebuild.
8920
8921         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
8922         (BUILT_IN_TM_MEMCPY_RTWN): New.
8923         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
8924         fallback from vector to integer helpers.
8925         (build_tm_load): Handle vector types directly, instead of
8926         via target hook.
8927         (build_tm_store): Likewise.
8928         (expand_assign_tm): Prepare for register types not handled by
8929         the above.  Copy them to memory and use memcpy.
8930         * tree.c (tm_define_builtin): New.
8931         (find_tm_vector_type): New.
8932         (build_tm_vector_builtins): New.
8933         (build_common_builtin_nodes): Call it.
8934
8935 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
8936
8937         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
8938         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
8939
8940 2016-01-13  Tom de Vries  <tom@codesourcery.com>
8941
8942         PR tree-optimization/69169
8943         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
8944         handled_struct_type param.
8945         (create_variable_info_for, intra_create_variable_infos): Call
8946         create_variable_info_for_1 with extra arg.
8947
8948 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
8949
8950         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
8951         and "armv8.1-a+crc" entries.
8952
8953 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
8954
8955         PR target/69228
8956         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
8957         Change first operand predicate from register_or_constm1_operand
8958         to register_operand.
8959         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
8960         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
8961         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
8962         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
8963         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
8964         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
8965         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
8966         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
8967         comparison with constm1_rtx from vec_prefetch_gen part.
8968
8969 2016-01-13  Richard Biener  <rguenther@suse.de>
8970
8971         PR tree-optimization/69013
8972         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
8973         Exchange assert for a test.
8974
8975 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8976
8977         PR target/69247
8978         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
8979
8980 2016-01-13  Richard Biener  <rguenther@suse.de>
8981
8982         PR tree-optimization/69242
8983         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
8984         assert with a check.
8985
8986 2016-01-13  Richard Biener  <rguenther@suse.de>
8987
8988         PR tree-optimization/69186
8989         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
8990         Properly guard vect_update_misalignment_for_peel call.
8991
8992 2016-01-12  Jeff Law  <law@redhat.com>
8993
8994         PR tree-optimization/pr67755
8995         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
8996         "need_profile_correction".
8997         (thread_block_1): Initialize new field to false by default.  If we
8998         have multiple thread paths through a common joiner to different
8999         final targets, then set new field to true.
9000         (compute_path_counts): Only do count adjustment when it's really
9001         needed.
9002
9003 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9004
9005         * doc/invoke.texi (Spec Files): Move section down in file, past
9006         all command-line option descriptions.
9007
9008 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
9009
9010         PR middle-end/54809
9011         * doc/gty.texi: Remove documentation of mark_hook.
9012         * gengtype.c (struct write_types_data): Remove code to support
9013         mark_hook attribute.
9014         (walk_type): Likewise.
9015         (write_func_for_structure): Likewise.
9016
9017 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9018
9019         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9020         Directory Options, and -specs= to Overall Options.
9021         (Overall Options): Adjust similarly.  Reorder to group related
9022         options together.  Make -specs= cross-reference the spec file details.
9023         (Directory Options): Adjust similarly.
9024
9025 2016-01-12  Jeff Law  <law@redhat.com>
9026
9027         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9028
9029 2016-01-12  Olivier Hainque  <hainque@adacore.com>
9030
9031         * gcc.c (spec_undefvar_allowed): New global.
9032         (process_command): Set to true when running for --version or --help,
9033         alone or together.
9034         (getenv_spec_function): When the variable is not defined, use the
9035         variable name as the variable value if we're allowed not to issue
9036         a fatal error.
9037
9038 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
9039
9040         PR tree-optimization/68911
9041         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9042         information computed for expression "init + nit * step".
9043
9044 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9045
9046         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
9047         about name of GCC executable.  Remove deleted node from menu.
9048         (Directory Options) <-B>: Remove cross-reference to deleted node.
9049         (Target Options): Delete section.
9050
9051 2016-01-12  Christian Bruel  <christian.bruel@st.com>
9052
9053         PR target/69180
9054         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9055         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9056
9057 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
9058
9059         PR target/69198
9060         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9061         aligned_mem is properly set for AVX512-VL floating point masked
9062         stores.
9063
9064         PR target/69175
9065         * ifcvt.c (cond_exec_process_if_block): When removing the last
9066         insn from then_bb, remove also any possible barriers that follow it.
9067
9068 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
9069
9070         PR target/68456
9071         PR target/69226
9072         * config/i386/iamcu.h (SIZE_TYPE): New macro.
9073         (PTRDIFF_TYPE): Likewise.
9074         (WCHAR_TYPE): Likewise.
9075         (WCHAR_TYPE_SIZE): Likewise.
9076         (STDINT_LONG32): Likewise.
9077
9078 2016-01-12  Richard Biener  <rguenther@suse.de>
9079
9080         PR tree-optimization/69053
9081         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9082         convert initial value for cond reductions.
9083
9084 2016-01-12  Richard Biener  <rguenther@suse.de>
9085
9086         PR tree-optimization/69007
9087         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9088         widen_sum after dot_prod and sad.
9089
9090 2016-01-12  Richard Biener  <rguenther@suse.de>
9091
9092         PR tree-optimization/69168
9093         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9094         pattern stmt SLP type.
9095         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9096         end up unused so cope with that case.
9097
9098 2016-01-12  Richard Biener  <rguenther@suse.de>
9099
9100         PR tree-optimization/69157
9101         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9102         stmts def type only during analyze phase.
9103         (vectorizable_call): Likewise.
9104         (vectorizable_simd_clone_call): Likewise.
9105         (vectorizable_conversion): Likewise.
9106         (vectorizable_assignment): Likewise.
9107         (vectorizable_shift): Likewise.
9108         (vectorizable_operation): Likewise.
9109         (vectorizable_store): Likewise.
9110         (vectorizable_load): Likewise.
9111
9112 2016-01-12  Richard Biener  <rguenther@suse.de>
9113
9114         PR tree-optimization/69174
9115         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9116         space.
9117         (vectorizable_load): Properly compute the number of loads needed
9118         for permuted strided SLP loads and do not spuriously assign
9119         to SLP_TREE_VEC_STMTS.
9120
9121 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
9122
9123         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9124         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9125         (MD_EXEC_PREFIX): Remove.
9126         (MD_STARTFILE_PREFIX) Removee.
9127         (FILE_NAME_ABSOLUTE_P): Remove.
9128         (CPP_SPEC): Do not read macros from sys/version.h.
9129         (LINK_COMMAND_SPEC): Remove.
9130         (LOCAL_INCLUDE_DIR): Remove.
9131         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9132         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9133         (POST_LINK_SPEC): Define to invoke stubify after linker
9134         (LIBSTDCXX): Remove define
9135         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9136         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9137         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9138         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9139         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9140         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9141         (i386_djgpp_asm_named_section): Add propotype of new procedure
9142
9143         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9144         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9145         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9146         in config/i386/djgpp.h).
9147         (STANDARD_STARTFILE_PREFIX_2): Define identical to
9148         STANDARD_STARTFILE_PREFIX_1.
9149         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9150         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9151         installation errors.
9152         (MAX_OFILE_ALIGNMENT): Define to 128.
9153         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9154
9155         * config/i386/djgpp.c: New file. Add implementation of
9156         i386_djgpp_asm_named_section.
9157
9158         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9159
9160         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9161         Add rule for building djgpp.o.
9162
9163 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9164
9165         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9166         (rtx_is_swappable_p): Reductions are swappable.
9167         (insn_is_swappable_p): V2DF reductions are swappable.
9168
9169 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
9170
9171         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9172         reloads for other unsupported memory operands.
9173
9174 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9175             Jim Wilson  <jim.wilson@linaro.org>
9176
9177         PR target/69194
9178         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9179         copy_to_mode_reg instead of force_reg.
9180
9181 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9182
9183         PR target/69225
9184         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9185         TARGET_80387 is true.
9186
9187 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
9188
9189         PR target/69071
9190         * lra-eliminations.c (move_plus_up): Only move plus up
9191         if subreg of the constant can be simplified into constant
9192         and use the simplified subreg of the constant instead of
9193         the original constant.
9194
9195         * fold-const.c (fold_convertible_p): Don't return true
9196         for conversion of VECTOR_TYPE to same sized integral type.
9197         (fold_convert_loc): Fix up formatting.  Fold conversion of
9198         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9199         instead of NOP_EXPR.
9200
9201         PR tree-optimization/69214
9202         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9203         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9204         Formatting fix.
9205
9206         PR tree-optimization/69207
9207         * tree-vect-slp.c (vect_get_constant_vectors): For
9208         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9209         fold_convertible_p to vector_type's element type, and always
9210         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9211
9212 2016-01-11  Richard Biener  <rguenther@suse.de>
9213
9214         PR tree-optimization/69173
9215         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9216         fixup the cycle if all stmts are in a pattern.
9217
9218 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
9219
9220         PR middle-end/68999
9221         * alias.c (base_alias_check): Move check for addresses with
9222         alignment ANDs before the call for compare_base_decls.
9223         (memrefs_conflict_p): Return -1 for different decls
9224         that went through alignment adjustments.
9225
9226 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9227
9228         PR rtl-optimization/68796
9229         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9230         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9231         and QImode comparisons against zero with CC_NZmode.
9232         * config/aarch64/iterators.md (short_mask): New mode_attr.
9233
9234 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9235
9236         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9237         (<avx512>_store<mode>_mask): Likewise.
9238
9239 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
9240             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9241
9242         PR rtl-optimization/68841
9243         * ifcvt.c (struct noce_if_info): Add orig_x field.
9244         (bbs_ok_for_cmove_arith): Add to_rename parameter.
9245         Don't record conflicts on to_rename if it's present.
9246         Allow memory destinations in sets.
9247         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9248         blocks, passing orig_x to the checks.
9249         (noce_process_if_block): Set if_info->orig_x appropriately.
9250
9251 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9252
9253         PR tree-optimization/69069
9254         * tree-parloops.c (create_parallel_loop): Add missing phi args.
9255
9256 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
9257
9258         PR rtl-optimization/68920
9259         * config/i386/i386.c (ix86_option_override_internal): Restrict number
9260         of conditional moves for  RTL if-conversion to 1 for
9261         TARGET_ONE_IF_CONV_INSN.
9262         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9263         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9264         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9265         parameter to restirct number of conditional moves for
9266         RTL if-conversion.
9267         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9268         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9269         conditionl moves.
9270
9271 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
9272
9273         PR bootstrap/69123
9274         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9275         onepart vars.  Fix typo in comment.  Fix reversed condition in
9276         unshare test.
9277         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9278
9279         PR bootstrap/69123
9280         * var-tracking.c (dump_onepart_variable_differences): New.
9281         (dataflow_set_different): If a detailed dump is requested,
9282         delay early returns and dump differences between onepart
9283         variables present before and after, and added variables.
9284
9285 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
9286
9287         PR target/69010
9288         * expr.c (expand_expr_real_1): For boolean vector constants
9289         with a scalar mode use const_scalar_mask_from_tree.
9290         (const_scalar_mask_from_tree): New.
9291         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9292         assigned to a mask type to handle constants.
9293
9294 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9295
9296         PR ipa/69044
9297         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9298         useless parameters if we cannot change function signature.
9299
9300 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9301
9302         PR ipa/66616
9303         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9304         flag.
9305
9306 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9307
9308         PR tree-optimization/69109
9309         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9310         latch with phi.
9311
9312 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9313
9314         PR tree-optimization/69108
9315         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9316         res is not used in a phi.
9317
9318 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
9319
9320         PR 67425
9321         * common.opt (frandom-seed): Fix parameter name.
9322         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9323
9324 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9325
9326         PR tree-optimization/69058
9327         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9328         not supported.
9329
9330 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
9331
9332         * config/arc/arc.opt (mdiv-rem): Add period to the end.
9333         (mcode-density): Likewise.
9334
9335 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9336
9337         PR tree-optimization/69062
9338         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9339         (parallelize_loops): Don't paralelize loop that has phi with address
9340         arg.
9341
9342 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9343
9344         PR tree-optimization/69039
9345         * tree-parloops.c (try_create_reduction_list): Only allow single exit
9346         phi for reduction.
9347
9348 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
9349
9350         PR middle-end/68743
9351         * match.pd: Require target has function_c99_misc before doing
9352         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9353
9354 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
9355
9356         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9357         use GMPINC.
9358         * configure: Regenerate.
9359
9360 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
9361
9362         PR middle-end/50865
9363         PR tree-optimization/69097
9364         * fold-const.h (expr_not_equal_to): New prototype.
9365         * fold-const.c: Include stringpool.h and tree-ssanames.h.
9366         (expr_not_equal_to): New function.
9367         * match.pd (X % -Y is the same as X % Y): Don't optimize
9368         unless X is known not to be equal to minimum or Y is known
9369         not to be equal to -1.
9370         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9371         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9372         (simplify_stmt_using_ranges): Adjust caller.
9373         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9374         substitute_and_fold.
9375
9376 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
9377
9378         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9379         w/o DECL_NAME.
9380
9381 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9382
9383         PR tree-optimization/69167
9384         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9385         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9386         ops[0] comparison.
9387         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9388
9389 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9390             Richard Biener  <rguenther@suse.de>
9391
9392         PR tree-optimization/68707
9393         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9394         instances that can be handled via vect_load_lanes.
9395
9396 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
9397
9398         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9399         if we can't determine address equivalence.
9400         * alias.c (compare_base_decl): Update for changed return value of
9401         symtab_node::equal_address_to.
9402
9403 2016-01-08  Jason Merrill  <jason@redhat.com>
9404
9405         PR c++/68983
9406         PR c++/67557
9407         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9408         * expr.c (store_field): Not here.
9409         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9410         call with TREE_ADDRESSABLE type.
9411         * tree-cfg.c (verify_gimple_call): Adjust.
9412
9413 2016-01-08  Olivier Hainque  <hainque@adacore.com>
9414
9415         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9416         libc_internal.
9417
9418 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9419
9420         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9421         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9422         (reduc_smin_v2sf): Rename to...
9423         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9424         (reduc_splus_v2sf): Rename to...
9425         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9426
9427 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9428
9429         PR tree-optimization/69162
9430         * gimplify.c (gimplify_va_arg_expr): Encode original type of
9431         valist argument in another argument.
9432         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
9433         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9434         to determine the va_list type, build a MEM_REF instead of
9435         build_fold_indirect_ref.
9436
9437         PR tree-optimization/69172
9438         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9439         gimple_build.
9440
9441 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9442
9443         PR tree-optimization/67781
9444         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9445         and cmpnop in two steps: first the ones not accessed in original
9446         gimple expression in a endian independent way and then the ones not
9447         accessed in the final result in an endian-specific way.
9448
9449 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9450
9451         PR tree-optimization/69083
9452         * tree-vect-slp.c (vect_get_constant_vectors): For
9453         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9454         element type.  If op is fold_convertible_p to vector_type's element
9455         type, use NOP_EXPR instead of VCE.
9456
9457 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
9458
9459         PR rtl-optimization/67778
9460         PR rtl-optimization/68634
9461         PR rtl-optimization/68909
9462         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
9463         block from the stack until done with it.  Remove a superfluous
9464         bitmap set.  Remove a superfluous bitmap test.
9465
9466 2016-01-07  Martin Sebor  <msebor@redhat.com>
9467
9468         PR c/68966
9469         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9470         constraint on the type of arguments.
9471
9472 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
9473
9474         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9475         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9476         unaligned_access on the gcc_options set.
9477         * config/arm/arm.c (arm_option_override_internal): Use
9478         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9479
9480 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9481
9482         PR target/69140
9483         * config/i386/i386.c (ix86_frame_pointer_required): Enable
9484         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9485
9486 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9487
9488         Revert
9489         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9490
9491         PR target/69140
9492         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9493         depending on frame_pointer_needed before remaining integer and SSE
9494         registers are saved.
9495
9496 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9497
9498         PR 1078
9499         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9500
9501 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9502
9503         PR target/69171
9504         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9505         Use the "xBm" constraint.
9506         (float<sseintvecmodelower><mode>2<mask_name><round_name):
9507         Likewise.
9508         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9509         (sse_cvtsi2ssq<round_name>): Likewise.
9510         (sse_cvtss2si<round_name>): Likewise.
9511         (sse_cvtss2siq<round_name>): Likewise.
9512         (sse2_cvtsi2sdq<round_name>): Likewise.
9513         (sse2_cvtsd2si<round_name>): Likewise.
9514         (sse2_cvtsd2siq<round_name>): Likewise.
9515         * config/i386/subst.md (round_nimm_scalar_predicate): New
9516         predicate.
9517
9518 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
9519
9520         PR middle-end/67639
9521         * varasm.c (make_decl_rtl): Mark invalid register vars as
9522         DECL_EXTERNAL.
9523
9524         PR rtl-optimization/66206
9525         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9526         All callers changed.
9527
9528 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
9529
9530         PR tree-optimization/69141
9531         * tree-ssa-pre.c: Include langhooks.h.
9532         (eliminate_dom_walker::before_dom_children): Use
9533         lang_hooks.decl_printable_name instead of
9534         cgraph_node::get ()->name ().
9535
9536         PR middle-end/68960
9537         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9538         it and DECL_ALIGN too.
9539
9540 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
9541
9542         * config/mips/mips-ftypes.def: Sort to lexicographical order.
9543
9544 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9545
9546         PR target/69140
9547         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9548         depending on frame_pointer_needed before remaining integer and SSE
9549         registers are saved.
9550
9551 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9552
9553         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9554         mode iterator with VSX_M2.
9555         (*p9_vecstore_<mode>): Likewise.
9556         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9557         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9558         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9559         (define_split for VSX_LE128 stores): Likewise.
9560         (define_peephole2 for TImode LE swaps): Likewise.
9561         (define_split for VSX_LE128 post-reload stores): Likewise.
9562
9563 2016-01-06  Marek Polacek  <polacek@redhat.com>
9564
9565         PR sanitizer/69099
9566         * convert.c (convert_to_integer_1): Adjust call to
9567         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
9568         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
9569         EXPR instead of ARG.
9570         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9571
9572 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9573
9574         PR 1078
9575         * doc/extend.texi (RL78 Variable Attributes): New section.
9576
9577 2016-01-05  Marek Polacek  <polacek@redhat.com>
9578
9579         PR c/69104
9580         * builtins.c (get_memmodel): Use expansion point location rather than
9581         the input location.  Call warning_at rather than warning.
9582         (expand_builtin_atomic_compare_exchange): Likewise.
9583         (expand_builtin_atomic_load): Likewise.
9584         (expand_builtin_atomic_store): Likewise.
9585         (expand_builtin_atomic_clear): Likewise.
9586
9587 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9588
9589         PR target/68991
9590         * config/i386/i386.c (ix86_expand_vector_logical_operator):
9591         Replace nonimmediate_operand with vector_operand.
9592         * config/i386/predicates.md (vector_operand): New predicate.
9593         (general_vector_operand): Replace nonimmediate_operand with
9594         vector_operand.
9595         * config/i386/sse.md: Replace nonimmediate_operand with
9596         vector_operand and m constraint with Bm constraint on SSE
9597         patterns with 16-byte memory operand.
9598         * config/i386/subst.md (round_nimm_predicate): Replace
9599         nonimmediate_operand with vector_operand.
9600         (round_saeonly_nimm_predicate): Likewise.
9601         (round_saeonly_nimm_scalar_predicate): New.
9602
9603 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9604
9605         PR target/68991
9606         * config/i386/constraints.md (Bm): New constraint.
9607         * config/i386/predicates.md (vector_memory_operand): New
9608         predicate.
9609         * config/i386/sse.md: Replace xm with xBm in plusminus and
9610         any_logic patterns.
9611
9612 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9613
9614         PR 1078
9615         * doc/extend.texi (V850 Function Attributes): New section.
9616         (V850 Variable Attributes): New section.
9617
9618 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9619
9620         PR 1078
9621         * doc/extend.texi (MicroBlaze Function Attributes): Document
9622         interrupt_handler and fast_interrupt attributes.
9623
9624 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
9625
9626         PR other/60465
9627         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9628         for local symbolic operands.
9629         * config/ia64/predicates.md (local_symbolic_operand64): New
9630         predicate.
9631
9632 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9633
9634         PR rtl-optimization/68651
9635         * combine.c (combine_simplify_rtx): Canonicalize x + x into
9636         x << 1.
9637
9638 2016-01-05  Nathan Sidwell  <nathan@acm.org>
9639
9640         * alias.c (compare_base_decls): Use symtab_node::get.
9641
9642 2016-01-05  Nick Clifton  <nickc@redhat.com>
9643
9644         PR target/68770
9645         * ira-costs.c (copy_cost): Initialise the t_icode field of the
9646         secondary_reload_info structure.
9647
9648         PR target/66655
9649         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9650         decls if weak support is available.
9651
9652 2016-01-04  Martin Sebor  <msebor@redhat.com>
9653
9654         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9655
9656 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9657
9658         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9659         OPTION_MASK_P9_DFORM.
9660
9661         * config/rs6000/constraints.md (wo constraint): New constraint for
9662         ISA 3.0 (power9).
9663
9664         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9665         for wo constraint.
9666         (rs6000_init_hard_regno_mode_ok): Likewise.
9667
9668         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9669         wo constraint.
9670
9671         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9672         expanders not to have constraints.  Add support for ISA 3.0 xxperm
9673         instruction.  Add support for fusing xxlor with xxperm.
9674         (altivec_vperm_<mode>_internal): Likewise.
9675         (altivec_vperm_v8hiv16qi): Likewise.
9676         (altivec_vperm_<mode>v16q): Likewise.
9677         (altivec_vperm_<mode>_uns): Likewise.
9678         (vperm_v8hiv4si): Likewise.
9679         (vperm_v16qiv8hi): Likewise.
9680
9681         * doc/md.texi (RS/6000 constraints): Document wo constraint.
9682
9683 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
9684
9685         Update copyright years.
9686
9687         * gcc.c (process_command): Update copyright notice dates.
9688         * gcov-dump.c (print_version): Ditto.
9689         * gcov.c (print_version): Ditto.
9690         * gcov-tool.c (print_version): Ditto.
9691         * gengtype.c (create_file): Ditto.
9692         * doc/cpp.texi: Bump @copying's copyright year.
9693         * doc/cppinternals.texi: Ditto.
9694         * doc/gcc.texi: Ditto.
9695         * doc/gccint.texi: Ditto.
9696         * doc/gcov.texi: Ditto.
9697         * doc/install.texi: Ditto.
9698         * doc/invoke.texi: Ditto.
9699
9700 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9701
9702         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9703         modes larger than TImode as TImode if NEON is not enabled.
9704
9705 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9706
9707         PR target/69100
9708         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9709         mode for %f0-%f31 only if TARGET_FPU.
9710
9711 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9712
9713         PR target/69072
9714         * config/sparc/sparc.c (scan_record_type): Take into account subfields
9715         to compute the PACKED_P predicate.
9716         (function_arg_record_value): Minor tweaks.
9717
9718 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9719
9720         * doc/install.texi (--with-multilib-list): Describe the meaning of the
9721         option for arm*-*-* targets.
9722
9723 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
9724
9725         * doc/extend.texi (Common Function Attributes): Move docs for
9726         MSP430-specific attributes to....
9727         (MSP430 Function Attributes): ...here.  Delete the redundant
9728         entries and copy-edit the remaining text.
9729         (MSP430 Variable Attributes): Use uniform format for index
9730         entries and add a cross-reference to the corresponding function
9731         attribute docs.
9732
9733 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
9734
9735         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9736         -finite-math typo.
9737         (x86 Options): Likewise.
9738
9739 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9740
9741         PR 1078
9742
9743         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
9744         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
9745         to corresponding attribute.
9746
9747 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
9748
9749         * doc/extend.texi (Common Function Attributes) <noplt>: Move
9750         to correct alphabetization of table.  Copy-edit and correct
9751         markup.
9752         <stack_protect>: Likewise.
9753         <target_clones>: Likewise.
9754         <simd>: Likewise.
9755         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
9756         Correct punctuation.
9757         (Code Gen Options) <-fno-plt>: Copy-edit.
9758
9759 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9760
9761         PR target/68917
9762         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
9763         SI values.  Explicitly convert SI to DI and vice-versa.
9764
9765 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
9766
9767         PR tree-optimization/69070
9768         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
9769         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
9770
9771         PR sanitizer/69055
9772         * ubsan.c (ubsan_instrument_float_cast): Call
9773         initialize_sanitizer_builtins.
9774
9775         PR target/69015
9776         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
9777 \f
9778 Copyright (C) 2016 Free Software Foundation, Inc.
9779
9780 Copying and distribution of this file, with or without modification,
9781 are permitted in any medium without royalty provided the copyright
9782 notice and this notice are preserved.