gcc/ChangeLog

   1 2019-03-25  Martin Sebor  <msebor@redhat.com>
   2
   3         PR c/89812
   4         * c-common.c (check_user_alignment): Rename local.  Correct maximum
   5         alignment in diagnostic.  Avoid assuming argument fits in SHWI,
   6         convert it to UHWI when it fits.
   7
   8 2019-03-25  Johan Karlsson <johan.karlsson@enea.com>
   9
  10         PR debug/86964
  11         * dwarf2out.c (premark_used_variables): New function.
  12         (prune_unused_types_walk): Do not mark not premarked external
  13         variables.
  14         (prune_unused_types): Call premark_used_variables.
  15
  16 2019-03-25  Vladimir Makarov  <vmakarov@redhat.com>
  17
  18         PR rtl-optimization/89676
  19         * lra-constraints.c (curr_insn_transform): Do match reload for
  20         early clobbers when the match was successful only for different
  21         registers.
  22
  23 2019-03-25  Martin Sebor  <msebor@redhat.com>
  24
  25         * doc/extend.texi (Common Type Attributes): Document vector_size.
  26         (Common Variable Attributes): Mention size constraint.  Correct
  27         quoting and typos.
  28         (Vector Extensions): Use @dfn when defining bas type.  Clarify
  29         base type and size constraints.
  30
  31 2019-03-25  Richard Biener  <rguenther@suse.de>
  32
  33         PR tree-optimization/89789
  34         * tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
  35         changes from non-undefined back to undefined.
  36
  37 2019-03-25  Thomas Otto  <thomas.otto@pdv-fs.de>
  38
  39         * dwarf2out.c (comp_dir_string): cached_wd could be set to both a
  40         heap string and a gc string, but since this variable is unknown to
  41         ggc the gc string might get reused and corrupted. Fixed by always
  42         using a heap string.
  43
  44 2019-03-25  Richard Biener  <rguenther@suse.de>
  45
  46         PR tree-optimization/89779
  47         * tree-ssa-loop-ivopts.c (remove_unused_ivs): Return
  48         to remove IV defs, delay actual removal.
  49         (tree_ssa_iv_optimize_loop): Likewise.  Avoid SCEV reset.
  50         (tree_ssa_iv_optimize): Remove eliminated IV defs at the
  51         very end, properly also reset loop control IV information.
  52
  53 2019-03-25  Richard Biener  <rguenther@suse.de>
  54
  55         PR tree-optimization/89802
  56         * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
  57         move EH data to folded stmt.
  58
  59 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
  60
  61         * config/s390/s390-builtin-types.def: Remove few unused types and
  62         fix sort order for others.
  63
  64 2019-03-25  Andreas Krebbel  <krebbel@linux.ibm.com>
  65
  66         * config/s390/s390-c.c (s390_fn_types_compatible): Print the
  67         expected and found types with -mdebug during builtin matching.
  68
  69 2019-03-25  Richard Biener  <rguenther@suse.de>
  70
  71         PR middle-end/89790
  72         * fold-const.c (operand_equal_p): Revert last change with
  73         updated comment.
  74
  75 2019-03-24  Segher Boessenkool  <segher@kernel.crashing.org>
  76
  77         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add REG_EQUAL
  78         notes for the result of the __tls_get_addr calls.
  79         * config/rs6000/rs6000.md (unspec UNSPEC_TLS_GET_ADDR): New.
  80
  81 2019-03-24  Jeff Law  <law@redhat.com>
  82
  83         * config/bfin/bfin.md (movpdi): Fix length for alternative 1.
  84
  85         PR rtl-optimization/87761
  86         * regcprop.c (copyprop_hardreg_forward_1): Check may_trap_p on SET,
  87         not INSN.  Also check RTX_FRAME_RELATED_P.  Queue insns for DF rescan
  88         as needed.
  89         (pass_cprop_hardreg::execute): Add df note problem and defer insn
  90         rescans.  Reprocess blocks as needed, calling df_analyze before
  91         reprocessing.  Always call df_analyze before fixing up debug bind
  92         insns.
  93
  94 2019-03-23  Segher Boessenkool  <segher@kernel.crashing.org>
  95
  96         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Implement for 32-bit
  97         big endian.
  98
  99 2019-03-22  Andrew Pinski  <apinski@marvell.com>
 100
 101         * config/aarch64/aarch64.md (zero_extendsidi2_aarch64): Fix type
 102         attrribute for uxtw.
 103
 104 2019-03-26  Jeff Law  <law@redhat.com>
 105
 106         PR rtl-optimization/87761
 107         * config/mips/mips-protos.h (mips_split_move): Add new argument.
 108         (mips_emit_move_or_split): Pass NULL for INSN into mips_split_move.
 109         (mips_split_move): Accept new INSN argument.  Try to forward SRC
 110         into the next instruction.
 111         (mips_split_move_insn): Pass INSN through to mips_split_move.
 112
 113 2019-03-22  Vladimir Makarov  <vmakarov@redhat.com>
 114
 115         PR rtl-optimization/89676
 116         * lra-constraints.c (curr_insn_transform): Do match reload for
 117         early clobbers even if the match was successful.
 118
 119 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 120
 121         PR c++/87481
 122         * doc/invoke.texi (-fconstexpr-ops-limit=): Document.
 123
 124 2019-03-22  Bill Schmidt  <wschmidt@linux.ibm.com>
 125
 126         * config/rs6000/mmintrin.h (_mm_sub_pi32): Fix typo.
 127
 128 2019-03-22  Jakub Jelinek  <jakub@redhat.com>
 129
 130         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>,
 131         <avx512>_fmsub_<mode>_mask3<round_name>,
 132         <avx512>_fnmadd_<mode>_mask3<round_name>,
 133         <avx512>_fnmsub_<mode>_mask3<round_name>,
 134         avx512f_vmfmadd_<mode>_mask3<round_name>,
 135         avx512f_vmfmsub_<mode>_mask3<round_name>,
 136         *avx512f_vmfnmadd_<mode>_mask3<round_name>): Use <round_nimm_predicate>
 137         instead of register_operand and %v instead of v for match_operand 1.
 138         (avx512f_vmfnmsub_<mode>_mask3<round_name>): Rename to ...
 139         (*avx512f_vmfnmsub_<mode>_mask3<round_name>): ... this.  Use
 140         <round_nimm_predicate> instead of register_operand and %v instead of v
 141         for match_operand 1.
 142
 143         * config/i386/sse.md (<avx512>_fmadd_<mode>_mask<round_name>,
 144         <avx512>_fmadd_<mode>_mask3<round_name>,
 145         <avx512>_fmsub_<mode>_mask<round_name>,
 146         <avx512>_fmsub_<mode>_mask3<round_name>,
 147         <avx512>_fnmadd_<mode>_mask<round_name>,
 148         <avx512>_fnmadd_<mode>_mask3<round_name>,
 149         <avx512>_fnmsub_<mode>_mask<round_name>,
 150         <avx512>_fnmsub_<mode>_mask3<round_name>,
 151         <avx512>_fmaddsub_<mode>_mask<round_name>,
 152         <avx512>_fmaddsub_<mode>_mask3<round_name>,
 153         <avx512>_fmsubadd_<mode>_mask<round_name>,
 154         <avx512>_fmsubadd_<mode>_mask3<round_name>): Use
 155         <round_nimm_predicate> instead of nonimmediate_operand.
 156         (fmai_vmfmadd_<mode><round_name>, fmai_vmfmsub_<mode><round_name>,
 157         fmai_vmfnmadd_<mode><round_name>, fmai_vmfnmsub_<mode><round_name>):
 158         Use register_operand instead of <round_nimm_predicate> for the
 159         operand that needs to match output.
 160         (*fmai_fmadd_<mode>, *fmai_fmsub_<mode>,
 161         *fmai_fnmadd_<mode><round_name>, *fmai_fnmsub_<mode><round_name>):
 162         Likewise.  Formatting fixes.
 163
 164         PR target/89784
 165         * config/i386/i386.c (enum ix86_builtins): Remove
 166         IX86_BUILTIN_VFMSUBSD3_MASK3 and IX86_BUILTIN_VFMSUBSS3_MASK3.
 167         * config/i386/i386-builtin.def (__builtin_ia32_vfmaddsd3_mask,
 168         __builtin_ia32_vfmaddsd3_mask3, __builtin_ia32_vfmaddsd3_maskz,
 169         __builtin_ia32_vfmsubsd3_mask3, __builtin_ia32_vfmaddss3_mask,
 170         __builtin_ia32_vfmaddss3_mask3, __builtin_ia32_vfmaddss3_maskz,
 171         __builtin_ia32_vfmsubss3_mask3): New builtins.
 172         * config/i386/sse.md (avx512f_vmfmadd_<mode>_mask<round_name>,
 173         avx512f_vmfmadd_<mode>_mask3<round_name>,
 174         avx512f_vmfmadd_<mode>_maskz_1<round_name>,
 175         *avx512f_vmfmsub_<mode>_mask<round_name>,
 176         avx512f_vmfmsub_<mode>_mask3<round_name>,
 177         *avx512f_vmfmasub_<mode>_maskz_1<round_name>,
 178         *avx512f_vmfnmadd_<mode>_mask<round_name>,
 179         *avx512f_vmfnmadd_<mode>_mask3<round_name>,
 180         *avx512f_vmfnmadd_<mode>_maskz_1<round_name>,
 181         *avx512f_vmfnmsub_<mode>_mask<round_name>,
 182         avx512f_vmfnmsub_<mode>_mask3<round_name>,
 183         *avx512f_vmfnmsub_<mode>_maskz_1<round_name>): New define_insns.
 184         (avx512f_vmfmadd_<mode>_maskz<round_expand_name>): New define_expand.
 185         * config/i386/avx512fintrin.h (_mm_mask_fmadd_sd, _mm_mask_fmadd_ss,
 186         _mm_mask3_fmadd_sd, _mm_mask3_fmadd_ss, _mm_maskz_fmadd_sd,
 187         _mm_maskz_fmadd_ss, _mm_mask_fmsub_sd, _mm_mask_fmsub_ss,
 188         _mm_mask3_fmsub_sd, _mm_mask3_fmsub_ss, _mm_maskz_fmsub_sd,
 189         _mm_maskz_fmsub_ss, _mm_mask_fnmadd_sd, _mm_mask_fnmadd_ss,
 190         _mm_mask3_fnmadd_sd, _mm_mask3_fnmadd_ss, _mm_maskz_fnmadd_sd,
 191         _mm_maskz_fnmadd_ss, _mm_mask_fnmsub_sd, _mm_mask_fnmsub_ss,
 192         _mm_mask3_fnmsub_sd, _mm_mask3_fnmsub_ss, _mm_maskz_fnmsub_sd,
 193         _mm_maskz_fnmsub_ss, _mm_mask_fmadd_round_sd, _mm_mask_fmadd_round_ss,
 194         _mm_mask3_fmadd_round_sd, _mm_mask3_fmadd_round_ss,
 195         _mm_maskz_fmadd_round_sd, _mm_maskz_fmadd_round_ss,
 196         _mm_mask_fmsub_round_sd, _mm_mask_fmsub_round_ss,
 197         _mm_mask3_fmsub_round_sd, _mm_mask3_fmsub_round_ss,
 198         _mm_maskz_fmsub_round_sd, _mm_maskz_fmsub_round_ss,
 199         _mm_mask_fnmadd_round_sd, _mm_mask_fnmadd_round_ss,
 200         _mm_mask3_fnmadd_round_sd, _mm_mask3_fnmadd_round_ss,
 201         _mm_maskz_fnmadd_round_sd, _mm_maskz_fnmadd_round_ss,
 202         _mm_mask_fnmsub_round_sd, _mm_mask_fnmsub_round_ss,
 203         _mm_mask3_fnmsub_round_sd, _mm_mask3_fnmsub_round_ss,
 204         _mm_maskz_fnmsub_round_sd, _mm_maskz_fnmsub_round_ss): New intrinsics.
 205
 206 2019-03-21  Martin Sebor  <msebor@redhat.com>
 207
 208         PR tree-optimization/89350
 209         * builtins.c (compute_objsize): Also ignore offsets whose upper
 210         bound is negative.
 211         * gimple-ssa-warn-restrict.c (builtin_memref): Add new member.
 212         (builtin_memref::builtin_memref): Initialize new member.
 213         Allow EXPR to be null.
 214         (builtin_memref::extend_offset_range): Replace local with a member.
 215         Avoid assuming pointer offsets are unsigned.
 216         (builtin_memref::set_base_and_offset): Determine base object
 217         before computing offset range.
 218         (builtin_access::builtin_access): Handle memset.
 219         (builtin_access::generic_overlap): Replace local with a member.
 220         (builtin_access::strcat_overlap): Same.
 221         (builtin_access::overlap): Same.
 222         (maybe_diag_overlap): Same.
 223         (maybe_diag_access_bounds): Same.
 224         (wrestrict_dom_walker::check_call): Handle memset.
 225         (check_bounds_or_overlap): Same.
 226
 227 2019-03-21  Jan Hubicka  <hubicka@ucw.cz>
 228             Jakub Jelinek  <jakub@redhat.com>
 229
 230         PR lto/89692
 231         * tree.c (fld_type_variant, fld_incomplete_type_of,
 232         fld_process_array_type): Call fld->pset.add and don't call
 233         add_tree_to_fld_list if it returns true.
 234         (free_lang_data_in_type): Similarly with self-recursive call.  Purge
 235         non-marked types from TYPE_NEXT_VARIANT list.
 236         (find_decls_types_r): Call fld_worklist_push for TYPE_CANONICAL (t).
 237
 238 2019-03-21  Jakub Jelinek  <jakub@redhat.com>
 239
 240         * hash-table.h (hash_table): Add Lazy template parameter defaulted
 241         to false, if true, don't alloc_entries during construction, but defer
 242         it to the first method that needs m_entries allocated.
 243         (hash_table::hash_table, hash_table::~hash_table,
 244         hash_table::alloc_entries, hash_table::find_empty_slot_for_expand,
 245         hash_table::too_empty_p, hash_table::expand, hash_table::empty_slow,
 246         hash_table::clear_slot, hash_table::traverse_noresize,
 247         hash_table::traverse, hash_table::iterator::slide): Adjust all methods.
 248         * hash-set.h (hash_set): Add Lazy template parameter defaulted to
 249         false.
 250         (hash_set::contains): If Lazy is true, use find_slot_with_hash with
 251         NO_INSERT instead of find_with_hash.
 252         (hash_set::traverse, hash_set::iterator, hash_set::iterator::m_iter,
 253         hash_set::m_table): Add Lazy to template params of hash_table.
 254         (gt_ggc_mx, gt_pch_nx): Use false as Lazy in hash_set template param.
 255         * attribs.c (test_attribute_exclusions): Likewise.
 256         * hash-set-tests.c (test_set_of_strings): Add iterator tests for
 257         hash_set.  Add tests for hash_set with Lazy = true.
 258
 259 2019-03-21  Richard Biener  <rguenther@suse.de>
 260
 261         PR tree-optimization/89779
 262         * tree.c (tree_nop_conversion): Consolidate and fix defensive
 263         checks with respect to released SSA names now having error_mark_node
 264         type.
 265         * fold-const.c (operand_equal_p): Likewise.
 266
 267 2019-03-20  Andreas Krebbel  <krebbel@linux.ibm.com>
 268
 269         PR target/89775
 270         * config/s390/s390.c (global_not_special_regno_p): Move to make it
 271         available to ...
 272         (s390_optimize_register_info): Use global_not_special_regno_p to
 273         check for global regs.
 274
 275 2019-03-20  Jakub Jelinek  <jakub@redhat.com>
 276
 277         PR target/89752
 278         * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
 279         update this_alternative nor this_alternative_set.
 280
 281 2019-03-19  Jim Wilson  <jimw@sifive.com>
 282
 283         PR target/89411
 284         * config/riscv/riscv.c (riscv_valid_lo_sum_p): New arg x.  New locals
 285         align, size, offset.  Use them to handle a BLKmode reference.  Update
 286         comment.
 287         (riscv_classify_address): Pass info->offset to riscv_valid_lo_sum_p.
 288
 289 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 290
 291         PR rtl-optimization/89768
 292         * loop-unroll.c (unroll_loop_constant_iterations): Use gen_int_mode
 293         instead of GEN_INT.
 294         (unroll_loop_runtime_iterations): Likewise.
 295
 296 2019-03-19  Martin Sebor  <msebor@redhat.com>
 297
 298         PR tree-optimization/89644
 299         * tree-ssa-strlen.c (handle_builtin_stxncpy): Use full_string_p
 300         rather than endptr as an indicator of nul-termination.
 301
 302         PR tree-optimization/89644
 303         * tree-ssa-strlen.c (handle_builtin_stxncpy): Consider unterminated
 304         arrays in determining sequence sizes in strncpy and stpncpy.
 305
 306 2019-03-19  Martin Liska  <mliska@suse.cz>
 307
 308         PR middle-end/89737
 309         * predict.c (combine_predictions_for_bb): Empty likely_edges and
 310         unlikely_edges if there's an edge that belongs to both these sets.
 311
 312 2018-03-19  Segher Boessenkool  <segher@kernel.crashing.org>
 313
 314         PR target/89746
 315         * config/rs6000/rs6000.md (fix_trunc<mode>si2_stfiwx): If we have a
 316         non-TARGET_MFCRF target, and the dest is memory but not 32-bit aligned,
 317         go via a stack temporary.
 318
 319 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 320
 321         PR target/89378
 322         * config/mips/mips.c (mips_expand_vec_cond_expr): Use gen_lowpart
 323         instead of gen_rtx_SUBREG.
 324         * config/mips/mips-msa.md (vec_extract<mode><unitmode>): Likewise.
 325
 326 2019-03-19  Richard Biener  <rguenther@suse.de>
 327
 328         PR debug/88389
 329         * opts.c (finish_options): Disable -gsplit-dwarf when doing LTO.
 330
 331 2019-03-19  Jan Hubicka  <hubicka@ucw.cz>
 332
 333         PR lto/87809
 334         PR lto/89335
 335         * tree.c (free_lang_data_in_decl): Do not free context of C++
 336         destrutors.
 337
 338 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 339
 340         PR target/89506
 341         * config/arm/arm.md (cmpsi2_addneg): Swap the alternatives and use
 342         subs for the first alternative except when operands[3] is 1.
 343
 344         PR target/89752
 345         * gimplify.c (gimplify_asm_expr): For output argument with
 346         TREE_ADDRESSABLE type, clear allows_reg if it allows memory, otherwise
 347         diagnose error.
 348
 349 2019-03-19  Eric Botcazou  <ebotcazou@adacore.com>
 350
 351         PR rtl-optimization/89753
 352         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
 353         explicit unrolling factor even more robust.
 354
 355 2019-03-19  Jakub Jelinek  <jakub@redhat.com>
 356
 357         PR target/89726
 358         * config/i386/i386.c (ix86_expand_floorceildf_32): In ceil
 359         compensation use x2 += 1 instead of x2 -= -1 and when honoring
 360         signed zeros, do another copysign after the compensation.
 361
 362 2019-03-18  Martin Sebor  <msebor@redhat.com>
 363
 364         PR tree-optimization/89720
 365         * tree-vrp.c (vrp_prop::check_mem_ref): Treat range with max < min
 366         more conservatively, the same as anti-range.
 367
 368 2019-03-18  Richard Biener  <rguenther@suse.de>
 369
 370         PR middle-end/88945
 371         * tree-ssanames.c (release_ssa_name_fn): For released SSA names
 372         use a TREE_TYPE of error_mark_node to avoid ICEs when dumping
 373         basic-blocks that are removed.  Remove restoring SSA_NAME_VAR.
 374         * tree-outof-ssa.c (eliminate_useless_phis): Remove redundant checking.
 375
 376 2019-03-18  Andrew Stubbs  <ams@codesourcery.com>
 377
 378         * config/gcn/gcn-run.c (struct output): Make next_output unsigned.
 379         Extend queue to 1024 entries.
 380         Add "consumed" field.
 381         (gomp_print_output): Remove print_index parameter.
 382         Add final parameter.
 383         Change limit to unsigned.
 384         Use consumed field to implement circular buffer.
 385         Detect interrupted print in final pass.
 386         Flush output at the end.
 387         (run): Update gomp_print_output usage.
 388         (main): Initialize kernargs->output_data.consumed.
 389
 390 2019-03-18  Richard Sandiford  <richard.sandiford@arm.com>
 391
 392         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Fix the
 393         calculation of the minimum number of scalar iterations for
 394         fully-predicated loops.
 395
 396 2019-03-18  Martin Jambor  <mjambor@suse.cz>
 397
 398         PR tree-optimization/89546
 399         * tree-sra.c (propagate_subaccesses_across_link): Requeue new_acc if
 400         any propagation to its children took place.
 401
 402 2019-03-18  Andrew Burgess  <andrew.burgess@embecosm.com>
 403
 404         PR target/89627
 405         * config/riscv/riscv.c (riscv_pass_fpr_single): Add offset
 406         parameter, and make use of it.
 407         (riscv_get_arg_info): Pass offset to riscv_pass_fpr_single.
 408
 409 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 410
 411         * config/arc/arc.opt (mcode-density-frame): Get the inital value
 412         from TARGET_CODE_DENSITY_FRAME_DEFAULT.
 413         * config/arc/elf.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
 414         * config/arc/linux.h (TARGET_CODE_DENSITY_FRAME_DEFAULT): Define.
 415         * config/arc/arc.md (pop_multi_fp_blink): Adjust constraints to
 416         match what the ops is doing.
 417         (push_multi_fp_blink): Likewise.
 418         * config/arc/arc.c (arc_override_options): Enable enter/leave when
 419         compiling for size and elf target.
 420         (arc_save_callee_enter): Adjust note to match what enter/leave
 421         operation does.
 422
 423 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 424
 425         * config/arc/arc.md (tst_movb): Fix constraint.
 426
 427 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 428
 429         * config/arc/arc.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
 430
 431 2019-03-18  Claudiu Zissulescu  <claziss@synopsys.com>
 432
 433         * config/arc/arc-protos.h (arc_adjust_reg_alloc_order): Declare.
 434         * config/arc/arc.c (arc_conditional_register_usage): Remove all
 435         reg_alloc_order references.
 436         (size_alloc_order): Define.
 437         (arc_adjust_reg_alloc_order): New function.
 438         * config/arc/arc.h (REG_ALLOC_ORDER): Proper define the register
 439         order.
 440         (ADJUST_REG_ALLOC_ORDER): Define.
 441         (HONOR_REG_ALLOC_ORDER): Likewise.
 442
 443 2019-03-18  Richard Biener  <rguenther@suse.de>
 444
 445         PR target/87561
 446         * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
 447         loads and stores a bit more.
 448
 449 2019-03-18  Richard Biener  <rguenther@suse.de>
 450
 451         PR target/87561
 452         * config/i386/i386.c (ix86_add_stmt_cost): Apply strided
 453         load pessimization to stores as well.
 454
 455 2019-03-18  Andrey Belevantsev  <abel@ispras.ru>
 456
 457         PR middle-end/86979
 458         * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
 459         successor, use NULL as its av set.
 460
 461 2019-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
 462
 463         PR rtl-optimization/89721
 464         * lra-constraints (invariant_p): Return false if side_effects_p holds.
 465
 466 2019-03-15  Kelvin Nilsen  <kelvin@gcc.gnu.org>
 467
 468         PR target/87532
 469         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 470         When handling vec_extract, use modular arithmetic to allow
 471         constant selectors greater than vector length.
 472         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Allow
 473         V1TImode vectors to have constant selector values greater than 0.
 474         Use modular arithmetic to compute vector index.
 475         (rs6000_split_vec_extract_var): Use modular arithmetic to compute
 476         index for in-memory vectors.  Correct code generation for
 477         in-register vectors.
 478         (altivec_expand_vec_ext_builtin): Use modular arithmetic to
 479         compute index.
 480
 481 2019-03-15  Alexandre Oliva <aoliva@redhat.com>
 482
 483         PR c++/88534
 484         PR c++/88537
 485         * dwarf2out.c (generic_parameter_die): Follow DECL_INITIAL of
 486         VAR_DECL args.
 487
 488 2019-03-15  Jakub Jelinek  <jakub@redhat.com>
 489
 490         PR c++/89709
 491         * tree.c (inchash::add_expr): Strip any location wrappers.
 492         * fold-const.c (operand_equal_p): Move stripping of location wrapper
 493         after hash verification.
 494
 495         PR debug/89704
 496         * dwarf2out.c (add_const_value_attribute): Return false for MINUS,
 497         SIGN_EXTEND and ZERO_EXTEND.
 498
 499 2019-03-14  Jason Merrill  <jason@redhat.com>
 500             Jakub Jelinek  <jakub@redhat.com>
 501
 502         * hash-table.h (remove_elt_with_hash): Return if slot is NULL rather
 503         than if is_empty (*slot).
 504         * hash-set-tests.c (test_set_of_strings): Add tests for addition of
 505         existing elt and for elt removal.
 506         * hash-map-tests.c (test_map_of_strings_to_int): Add test for removal
 507         of already removed elt.
 508
 509 2019-03-15  H.J. Lu  <hongjiu.lu@intel.com>
 510
 511         PR target/89650
 512         * config/i386/i386.c (remove_partial_avx_dependency): Handle
 513         REG_EH_REGION note.
 514
 515 2019-03-14  Martin Liska  <mliska@suse.cz>
 516
 517         PR other/89712
 518         * doc/invoke.texi: Remove -fdump-class-hierarchy option.
 519
 520 2019-03-14  Richard Biener  <rguenther@suse.de>
 521
 522         PR target/89711
 523         * config/i386/i386.c (make_resolver_func): Properly set
 524         DECL_CONTEXT on the RESULT_DECL.
 525         * config/rs6000/rs6000.c (make_resolver_func): Likewise.
 526
 527 2019-03-14  Richard Biener  <rguenther@suse.de>
 528
 529         * gimple-pretty-print.c: Include cfgloop.h.
 530         (dump_gimple_phi): Adjust.
 531         (dump_gimple_bb_header): Dump loop header for GIMPLE.
 532         (pp_cfg_jump): Adjust.
 533         (dump_implicit_edges): Dump fallthru to next block for GIMPLE as well.
 534         * tree-cfg.c (build_gimple_cfg): Remove lower_phi_internal_fn call.
 535         (lower_phi_internal_fn): Remove.
 536         (verify_gimple_call): Remove IFN_PHI special-casing.
 537         (dump_function_to_file): Dump IL state.
 538         * tree-into-ssa.c (rewrite_add_phi_arguments): Revert changes
 539         done to deal with PHI nodes being present in non-SSA state.
 540
 541 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
 542
 543         PR ipa/89684
 544         * multiple_target.c (create_dispatcher_calls): Change
 545         references_to_redirect from vector of ipa_ref * to vector of ipa_ref.
 546         In the node->iterate_referring loop, push *ref rather than ref, call
 547         ref->remove_reference () and always pass 0 to iterate_referring.
 548
 549         PR rtl-optimization/89679
 550         * expmed.c (expand_mult_const): Don't add a REG_EQUAL note if it
 551         would contain a paradoxical SUBREG.
 552
 553 2019-03-14  Richard Biener  <rguenther@suse.de>
 554
 555         PR tree-optimization/89710
 556         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Use
 557         safe_dyn_cast.
 558
 559 2019-03-14  Martin Liska  <mliska@suse.cz>
 560
 561         * coverage.c (coverage_begin_function): Stream also
 562         end_column.
 563         * doc/gcov.texi: Document 2 new fields in JSON file.  Improve
 564         documentation about function declaration location.
 565         * gcov-dump.c (tag_function): Print whole range
 566         of function declaration.
 567         * gcov.c (struct function_info): Add end_column field.
 568         (function_info::function_info): Initialize it.
 569         (output_json_intermediate_file): Output {start,end}_column
 570         fields.
 571         (read_graph_file): Read end_column.
 572
 573 2019-03-14  Richard Biener  <rguenther@suse.de>
 574
 575         PR middle-end/89698
 576         * fold-const.c (operand_equal_p): For INDIRECT_REF check
 577         that the access types are similar.
 578
 579 2019-03-14  Jakub Jelinek  <jakub@redhat.com>
 580
 581         PR tree-optimization/89703
 582         * tree-ssa-strlen.c (valid_builtin_call): Punt if stmt call types
 583         aren't compatible also with builtin_decl_explicit.  Check pure
 584         or non-pure status of BUILT_IN_STR{{,N}CMP,N{LEN,{CAT,CPY}{,_CHK}}}
 585         and BUILT_IN_STPNCPY{,_CHK}.
 586
 587 2019-03-14  H.J. Lu  <hongjiu.lu@intel.com>
 588
 589         PR target/89523
 590         * config/i386/i386.c (ix86_print_operand): Handle 'M' to add
 591         addr32 prefix to VSIB address for X32.
 592         * config/i386/sse.md (*avx512pf_gatherpf<mode>sf_mask): Prepend
 593         "%M2" to opcode.
 594         (*avx512pf_gatherpf<mode>df_mask): Likewise.
 595         (*avx512pf_scatterpf<mode>sf_mask): Likewise.
 596         (*avx512pf_scatterpf<mode>df_mask): Likewise.
 597         (*avx2_gathersi<mode>): Prepend "%M3" to opcode.
 598         (*avx2_gathersi<mode>_2): Prepend "%M2" to opcode.
 599         (*avx2_gatherdi<mode>): Prepend "%M3" to opcode.
 600         (*avx2_gatherdi<mode>_2): Prepend "%M2" to opcode.
 601         (*avx2_gatherdi<mode>_3): Prepend "%M3" to opcode.
 602         (*avx2_gatherdi<mode>_4): Prepend "%M2" to opcode.`
 603         (*avx512f_gathersi<mode>): Prepend "%M4" to opcode.
 604         (*avx512f_gathersi<mode>_2): Prepend "%M3" to opcode.
 605         (*avx512f_gatherdi<mode>): Prepend "%M4" to opcode.
 606         (*avx512f_gatherdi<mode>_2): Prepend "%M3" to opcode.
 607         (*avx512f_scattersi<mode>): Prepend "%M0" to opcode.
 608         (*avx512f_scatterdi<mode>): Likewise.
 609
 610 2019-03-13  Vladimir Makarov  <vmakarov@redhat.com>
 611
 612         PR target/85860
 613         * lra-constraints.c (inherit_in_ebb): Update
 614         potential_reload_hard_regs along with live_hard_regs.
 615
 616 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
 617
 618         PR debug/89498
 619         * dwarf2out.c (size_of_die): For dw_val_class_view_list always use
 620         DWARF_OFFSET_SIZE.
 621         (value_format): For dw_val_class_view_list never use DW_FORM_loclistx.
 622
 623 2019-03-13  Martin Sebor  <msebor@redhat.com>
 624
 625         PR tree-optimization/89662
 626         * tree-vrp.c (vrp_prop::check_mem_ref): Avoid assuming every type
 627         has a size.
 628
 629 2019-03-13  Richard Biener  <rguenther@suse.de>
 630
 631         PR middle-end/89677
 632         * tree-scalar-evolution.c (simplify_peeled_chrec): Do not
 633         throw FP expressions at tree-affine.
 634
 635 2019-03-14  Richard Biener  <rguenther@suse.de>
 636
 637         * tree-pretty-print.c (dump_generic_node): For -gimple properly
 638         dump negative integer constants using _Literal (type) -num.
 639
 640 2019-03-13  Jakub Jelinek  <jakub@redhat.com>
 641
 642         * ipa-param-manipulation.h (struct ipa_parm_adjustment): Remove
 643         nonlocal_value member.
 644
 645         PR middle-end/88588
 646         * omp-simd-clone.c (ipa_simd_modify_stmt_ops): Handle PHI args.
 647         (ipa_simd_modify_function_body): Handle PHIs.
 648
 649 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
 650
 651         * config/s390/s390.c (s390_option_override_internal): Use more
 652         aggressive inlining parameters.
 653
 654 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
 655
 656         * config/s390/3906.md: New file.
 657         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
 658         (LONGRUNNING_THRESHOLD): Remove.
 659         (MAX_SCHED_MIX_SCORE): Decrease.
 660         (MAX_SCHED_MIX_DISTANCE): Decrease.
 661         (s390_bb_fallthru_entry_likely): Assume fallthru for less than likely.
 662         (struct s390_sched_state): New struct to hold scheduling state.
 663         (S390_SCHED_STATE_NORMAL): Remove.
 664         (S390_SCHED_STATE_CRACKED): Remove.
 665         (S390_SCHED_ATTR_MASK_GROUPOFTWO): Add.
 666         (s390_get_sched_attrmask): Use new attribute.
 667         (s390_get_unit_mask): Use new units.
 668         (s390_is_fpd): New function.
 669         (s390_is_fxd): New function.
 670         (s390_is_longrunning): New function.
 671         (s390_sched_score): Use new functions.
 672         (s390_sched_reorder): Likewise.
 673         (s390_sched_variable_issue): Rework and use new functions.
 674         (s390_sched_init): Use new functions.
 675         * config/s390/s390.h (s390_tune_attr):  Add z14.
 676         * config/s390/s390.md: Add z14.
 677
 678 2019-03-12  Robin Dapp  <rdapp@linux.ibm.com>
 679
 680         * config/s390/2964.md: Update pipeline description.
 681         * config/s390/s390.c (MAX_SCHED_UNITS): Increase.
 682         (LONGRUNNING_THRESHOLD): Remove.
 683         (LATENCY_FACTOR): Remove.
 684         (s390_get_unit_mask): Add unit.
 685         (s390_sched_score): Use fxd/fpd.
 686         (s390_sched_variable_issue): Use fxd/fpd.
 687
 688 2019-03-12  Martin Liska  <mliska@suse.cz>
 689
 690         * config/i386/i386.c: Reword an error message.
 691
 692 2019-03-12  Martin Jambor  <mjambor@suse.cz>
 693
 694         * cgraph.c (cgraph_node::dump): Dump more info for former thunks,
 695         terminate with newline.
 696
 697 2019-03-12  Jakub Jelinek  <jakub@redhat.com>
 698
 699         PR target/52726
 700         * config/s390/s390.md (tabort): Use %wd instead of
 701         HOST_WIDE_INT_PRINT_DEC in error message, reword to avoid two capital
 702         letters and periods.
 703         * config/tilepro/tilepro.c (tilepro_print_operand): Use %wd in
 704         output_operand_lossage instead of HOST_WIDE_INT_PRINT_DEC, replace
 705         's with %< and %>.
 706
 707         PR middle-end/89663
 708         * builtins.c (expand_builtin_int_roundingfn,
 709         expand_builtin_int_roundingfn_2): Return NULL_RTX instead of
 710         gcc_unreachable if validate_arglist fails.
 711
 712 2019-03-12  Richard Biener  <rguenther@suse.de>
 713
 714         PR tree-optimization/89664
 715         * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
 716         free the occurance tree after the early out.
 717
 718 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
 719
 720         PR middle-end/89655
 721         PR bootstrap/89656
 722         * vr-values.c (vr_values::update_value_range): If
 723         old_vr->varying_p (), don't update it, make new_vr also VARYING
 724         and return false.
 725
 726 2019-03-11  Martin Liska  <mliska@suse.cz>
 727
 728         * config/aarch64/aarch64.c (aarch64_override_options_internal):
 729         Fix double string quoting.
 730
 731 2019-03-11  Martin Liska  <mliska@suse.cz>
 732
 733         * collect-utils.c (collect_wait): Wrap apostrophes
 734         in gcc internal format with %'.
 735         * collect2.c (main): Likewise.
 736         (scan_prog_file): Likewise.
 737         (scan_libraries): Likewise.
 738         * config/i386/i386.c (ix86_expand_call): Likewise.
 739         (ix86_handle_interrupt_attribute): Likewise.
 740         * config/nds32/nds32-intrinsic.c (nds32_expand_builtin_impl): Likewise.
 741         * config/nds32/nds32.c (nds32_insert_attributes): Likewise.
 742         * config/rl78/rl78.c (rl78_handle_saddr_attribute): Likewise.
 743         * lto-wrapper.c (find_crtoffloadtable): Likewise.
 744         * symtab.c (symtab_node::verify_base): Likewise.
 745         * tree-cfg.c (verify_gimple_label): Likewise.
 746         * tree.c (verify_type_variant): Likewise.
 747
 748 2019-03-11  Martin Liska  <mliska@suse.cz>
 749
 750         * builtins.c (expand_builtin_thread_pointer): Wrap an option name
 751         in a string format message and fix GNU coding style.
 752         (expand_builtin_set_thread_pointer): Likewise.
 753         * common/config/aarch64/aarch64-common.c (aarch64_rewrite_selected_cpu): Likewise.
 754         * common/config/alpha/alpha-common.c (alpha_handle_option): Likewise.
 755         * common/config/arc/arc-common.c (arc_handle_option): Likewise.
 756         * common/config/arm/arm-common.c (arm_parse_fpu_option): Likewise.
 757         * common/config/bfin/bfin-common.c (bfin_handle_option): Likewise.
 758         * common/config/i386/i386-common.c (ix86_handle_option): Likewise.
 759         * common/config/ia64/ia64-common.c (ia64_handle_option): Likewise.
 760         * common/config/m68k/m68k-common.c (m68k_handle_option): Likewise.
 761         * common/config/msp430/msp430-common.c (msp430_handle_option): Likewise.
 762         * common/config/nds32/nds32-common.c (nds32_handle_option): Likewise.
 763         * common/config/powerpcspe/powerpcspe-common.c (rs6000_handle_option): Likewise.
 764         * common/config/riscv/riscv-common.c (riscv_subset_list::parsing_subset_version): Likewise.
 765         (riscv_subset_list::parse_std_ext): Likewise.
 766         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
 767         (riscv_subset_list::parse): Likewise.
 768         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Likewise.
 769         * config/aarch64/aarch64.c (aarch64_parse_one_option_token): Likewise.
 770         (aarch64_override_options_internal): Likewise.
 771         (aarch64_validate_mcpu): Likewise.
 772         (aarch64_validate_march): Likewise.
 773         (aarch64_validate_mtune): Likewise.
 774         (aarch64_override_options): Likewise.
 775         * config/alpha/alpha.c (alpha_option_override): Likewise.
 776         * config/arc/arc.c (arc_init): Likewise.
 777         (parse_mrgf_banked_regs_option): Likewise.
 778         (arc_override_options): Likewise.
 779         (arc_expand_builtin_aligned): Likewise.
 780         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Likewise.
 781         (arm_expand_builtin): Likewise.
 782         * config/arm/arm.c (arm_option_check_internal): Likewise.
 783         (arm_configure_build_target): Likewise.
 784         (arm_option_override): Likewise.
 785         (arm_options_perform_arch_sanity_checks): Likewise.
 786         (arm_handle_cmse_nonsecure_entry): Likewise.
 787         (arm_handle_cmse_nonsecure_call): Likewise.
 788         (arm_tls_referenced_p): Likewise.
 789         (thumb1_expand_prologue): Likewise.
 790         * config/avr/avr.c (avr_option_override): Likewise.
 791         * config/bfin/bfin.c (bfin_option_override): Likewise.
 792         * config/c6x/c6x.c (c6x_option_override): Likewise.
 793         * config/cr16/cr16.c (cr16_override_options): Likewise.
 794         * config/cris/cris.c (cris_option_override): Likewise.
 795         * config/csky/csky.c (csky_handle_isr_attribute): Likewise.
 796         * config/darwin-c.c (macosx_version_as_macro): Likewise.
 797         * config/darwin.c (darwin_override_options): Likewise.
 798         * config/frv/frv.c (frv_expand_builtin): Likewise.
 799         * config/h8300/h8300.c (h8300_option_override): Likewise.
 800         * config/i386/i386.c (parse_mtune_ctrl_str): Likewise.
 801         (ix86_option_override_internal): Likewise.
 802         (warn_once_call_ms2sysv_xlogues): Likewise.
 803         (ix86_expand_prologue): Likewise.
 804         (split_stack_prologue_scratch_regno): Likewise.
 805         (ix86_warn_parameter_passing_abi): Likewise.
 806         * config/ia64/ia64.c (fix_range): Likewise.
 807         * config/m68k/m68k.c (m68k_option_override): Likewise.
 808         * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
 809         * config/mips/mips.c (mips_emit_probe_stack_range): Likewise.
 810         (mips_set_compression_mode): Likewise.
 811         * config/mmix/mmix.c (mmix_option_override): Likewise.
 812         * config/mn10300/mn10300.c (mn10300_option_override): Likewise.
 813         * config/msp430/msp430.c (msp430_option_override): Likewise.
 814         * config/nds32/nds32.c (nds32_option_override): Likewise.
 815         * config/nios2/nios2.c (nios2_custom_check_insns): Likewise.
 816         (nios2_option_override): Likewise.
 817         (nios2_expand_custom_builtin): Likewise.
 818         * config/nvptx/mkoffload.c (main): Likewise.
 819         * config/nvptx/nvptx.c (diagnose_openacc_conflict): Likewise.
 820         * config/pa/pa.c (fix_range): Likewise.
 821         (pa_option_override): Likewise.
 822         * config/riscv/riscv.c (riscv_parse_cpu): Likewise.
 823         (riscv_option_override): Likewise.
 824         * config/rl78/rl78.c (rl78_option_override): Likewise.
 825         * config/rs6000/aix61.h: Likewise.
 826         * config/rs6000/aix71.h: Likewise.
 827         * config/rs6000/aix72.h: Likewise.
 828         * config/rs6000/driver-rs6000.c (elf_platform): Likewise.
 829         * config/rs6000/freebsd64.h: Likewise.
 830         * config/rs6000/linux64.h: Likewise.
 831         * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
 832         (rs6000_expand_zeroop_builtin): Likewise.
 833         (rs6000_expand_mtfsb_builtin): Likewise.
 834         (rs6000_expand_set_fpscr_rn_builtin): Likewise.
 835         (rs6000_expand_set_fpscr_drn_builtin): Likewise.
 836         (rs6000_invalid_builtin): Likewise.
 837         (rs6000_expand_split_stack_prologue): Likewise.
 838         * config/rs6000/rtems.h: Likewise.
 839         * config/rx/rx.c (valid_psw_flag): Likewise.
 840         (rx_expand_builtin): Likewise.
 841         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Likewise.
 842         * config/s390/s390.c (s390_expand_builtin): Likewise.
 843         (s390_function_profiler): Likewise.
 844         (s390_option_override_internal): Likewise.
 845         (s390_option_override): Likewise.
 846         * config/sh/sh.c (sh_option_override): Likewise.
 847         (sh_builtin_saveregs): Likewise.
 848         (sh_fix_range): Likewise.
 849         * config/sh/vxworks.h: Likewise.
 850         * config/sparc/sparc.c (sparc_option_override): Likewise.
 851         * config/spu/spu.c (spu_option_override): Likewise.
 852         (fix_range): Likewise.
 853         * config/visium/visium.c (visium_option_override): Likewise.
 854         (visium_handle_interrupt_attr): Likewise.
 855         * config/xtensa/xtensa.c (xtensa_option_override): Likewise.
 856         * dbgcnt.c (dbg_cnt_set_limit_by_name): Likewise.
 857         (dbg_cnt_process_opt): Likewise.
 858         * dwarf2out.c (output_dwarf_version): Likewise.
 859         * except.c (expand_eh_return): Likewise.
 860         * gcc.c (defined): Likewise.
 861         (driver_handle_option): Likewise.
 862         (process_command): Likewise.
 863         (compare_files): Likewise.
 864         (driver::prepare_infiles): Likewise.
 865         (driver::do_spec_on_infiles): Likewise.
 866         (driver::maybe_run_linker): Likewise.
 867         * omp-offload.c (oacc_parse_default_dims): Likewise.
 868         * opts-global.c (handle_common_deferred_options): Likewise.
 869         * opts.c (parse_sanitizer_options): Likewise.
 870         (common_handle_option): Likewise.
 871         (enable_warning_as_error): Likewise.
 872         * passes.c (enable_disable_pass): Likewise.
 873         * plugin.c (parse_plugin_arg_opt): Likewise.
 874         (default_plugin_dir_name): Likewise.
 875         * targhooks.c (default_expand_builtin_saveregs): Likewise.
 876         (default_pch_valid_p): Likewise.
 877         * toplev.c (init_asm_output): Likewise.
 878         (process_options): Likewise.
 879         (toplev::run_self_tests): Likewise.
 880         * tree-cfg.c (verify_gimple_call): Likewise.
 881         * tree-inline.c (inline_forbidden_p_stmt): Likewise.
 882         (tree_inlinable_function_p): Likewise.
 883         * var-tracking.c (vt_find_locations): Likewise.
 884
 885 2019-03-11  Andreas Krebbel  <krebbel@linux.ibm.com>
 886
 887         * config/s390/s390.c (s390_expand_builtin): Do the copy_to_reg not
 888         only on the else branch.
 889
 890 2019-03-11  Martin Liska  <mliska@suse.cz>
 891
 892         * gcov.c (output_intermediate_json_line): Print function
 893         name of each line.
 894         (output_json_intermediate_file): Add new argument.
 895         * doc/gcov.texi: Document the change.
 896
 897 2019-03-11  Eric Botcazou  <ebotcazou@adacore.com>
 898
 899         PR rtl-optimization/89588
 900         * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
 901         explicit unrolling factor more robust.
 902
 903 2019-03-11  Richard Biener  <rguenther@suse.de>
 904
 905         PR tree-optimization/89649
 906         * tree-vectorizer.h (vect_loop_versioning): Adjust prototype.
 907         * tree-vect-loop-manip.c (vect_do_peeling): Unset force_vectorize
 908         on the prolog and epilog loops.
 909         (vect_loop_versioning): Return copy of loop.
 910         * tree-vect-loop.c (vect_transform_loop): Unset force_vectorize
 911         on the non-vectorized version of the loop.
 912
 913 2019-03-10  Uroš Bizjak  <ubizjak@gmail.com>
 914
 915         PR target/68924
 916         * config/i386/sse.md (*vec_extractv2di_0_sse):
 917         Add (=r,x) alternative and corresponding splitter.
 918
 919 2019-03-10  Martin Jambor  <mjambor@suse.cz>
 920
 921         PR tree-optimization/85762
 922         PR tree-optimization/87008
 923         PR tree-optimization/85459
 924         * tree-sra.c (contains_vce_or_bfcref_p): New parameter, set the bool
 925         it points to if there is a type changing MEM_REF.  Adjust all callers.
 926         (build_accesses_from_assign): Disable total scalarization if
 927         contains_vce_or_bfcref_p returns true through the new parameter, for
 928         both rhs and lhs.
 929
 930 2019-03-09  Jakub Jelinek  <jakub@redhat.com>
 931
 932         PR c/88568
 933         * attribs.c (handle_dll_attribute): Don't clear TREE_STATIC for
 934         dllimport on VAR_DECLs with RECORD_TYPE or UNION_TYPE DECL_CONTEXT.
 935
 936         PR target/79645
 937         * common.opt (fdiagnostics-show-labels,
 938         fdiagnostics-show-line-numbers, fdiagnostics-format=,
 939         fdiagnostics-minimum-margin-width=, fgnat-encodings=, gas-loc-support,
 940         gas-locview-support, ginline-points, ginternal-reset-location-views):
 941         Terminate description text with a dot.
 942         * config/microblaze/microblaze.opt (mxl-prefetch): Likewise.
 943         * config/mcore/mcore.opt (m210, m340): Likewise.
 944         * config/epiphany/epiphany.opt (mprefer-short-insn-regs, mcmove,
 945         mnops=): Start description text with a capital letter.
 946         * config/arc/arc.opt (msize-level=): Likewise.
 947         * config/sh/sh.opt (minline-ic_invalidate): Likewise.
 948         * config/rs6000/sysv4.opt (mno-toc, mtoc, mno-traceback, mshlib,
 949         mnewlib): Likewise.
 950         * config/ft32/ft32.opt (msim): Likewise.
 951         (mft32b, mcompress): Likewise.  Terminate description text with a dot.
 952         (mnodiv, mnopm): Terminate description text with a dot.
 953         * config/c6x/c6x.opt (c6x_sdata): Terminate Enum description with
 954         a colon.
 955         * config/i386/i386.opt (prefer_vector_width, instrument_return):
 956         Likewise.
 957         * config/rx/rx.opt (nofpu): Remove trailing spaces from description
 958         text.
 959
 960         PR rtl-optimization/89634
 961         * cfgcleanup.c (thread_jump): Punt if registers mentioned in cond1
 962         are modified in BB_END (e->src) instruction.
 963
 964 2019-03-08  David Malcolm  <dmalcolm@redhat.com>
 965
 966         PR target/79926
 967         * config/i386/i386.c (ix86_set_current_function): Make "sorry"
 968         messages more amenable to translation, and improve wording.
 969
 970 2019-03-08  Bill Schmidt  <wschmidt@linux.ibm.com>
 971
 972         * config/rs6000/rs6000-p8swap.c (rs6000_analyze_swaps): Rebuild
 973         ud- and du-chains between phases.
 974
 975 2019-03-08  Richard Sandiford  <richard.sandiford@arm.com>
 976
 977         PR debug/89631
 978         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Use CONST_POLY_INT
 979         instead of POLY_INT_CST.
 980
 981 2019-03-08  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 982
 983         * config/arm/arm.h (TARGET_FP16_TO_DOUBLE): Add TARGET_VFP_DOUBLE
 984         requirement.
 985
 986 2019-03-08  Uroš Bizjak  <ubizjak@gmail.com>
 987
 988         PR target/68924
 989         PR target/78782
 990         PR target/87558
 991         * config/i386/emmintrin.h (_mm_loadu_si64): New intrinsic.
 992         (_mm_storeu_si64): Ditto.
 993
 994 2019-03-08  Martin Liska  <mliska@suse.cz>
 995
 996         PR target/86952
 997         * config/i386/i386.c (ix86_option_override_internal): Disable
 998         jump tables when retpolines are used.
 999
1000 2019-03-08  Jan Hubicka  <hubicka@ucw.cz>
1001
1002         PR go/63560
1003         * ipa-split.c (execute_split_functions): Do not split
1004         'noinline' or 'section' function.
1005
1006 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR target/79846
1009         * config/s390/s390.c (s390_const_operand_ok): Use %wu instead of
1010         HOST_WIDE_INT_PRINT_UNSIGNED and %wd instead of
1011         HOST_WIDE_INT_PRINT_DEC.  Formatting fixes.
1012
1013         PR ipa/80000
1014         * ipa-devirt.c (compare_virtual_tables): Remove two trailing spaces
1015         from diagnostics.  Formatting fixes.
1016
1017         PR target/85665
1018         * ipa-devirt.c (odr_types_equivalent_p): Fix grammar in
1019         warn_odr diagnostics.
1020
1021         PR other/80058
1022         * lra-constraints.c (process_alt_operands): Avoid one space before
1023         " at the end of line and another after " on another line in a string
1024         literal.
1025         * attribs.c (handle_dll_attribute): Likewise.
1026         * config/avr/avr-devices.c (avr_texinfo): Likewise.
1027
1028         * gimple-ssa-warn-alloca.c (pass_walloca::execute): Don't wrap
1029         warning_at or inform messages in G_() if there is no ?:.
1030
1031         PR tree-optimization/89550
1032         * builtins.c (c_strlen): Only set TREE_NO_WARNING if warning_at
1033         returned true.  Formatting fixes.
1034         (expand_builtin_strnlen): Formatting fixes.
1035         * tree-vrp.c (vrp_prop::check_mem_ref): Only set TREE_NO_WARNING
1036         if warning_at returned true.
1037         * tree-cfg.c (pass_warn_function_return::execute): Likewise.
1038
1039 2019-03-08  Richard Biener  <rguenther@suse.de>
1040
1041         PR middle-end/89578
1042         * cfgloop.h (struct loop): Add owned_clique field.
1043         * cfgloopmanip.c (copy_loop_info): Copy it.
1044         * tree-cfg.c (gimple_duplicate_bb): Do not remap owned_clique
1045         cliques.
1046         * tree-inline.c (copy_loops): Remap owned_clique.
1047         * lto-streamer-in.c (input_cfg): Stream owned_clique.
1048         * lto-streamer-out.c (output_cfg): Likewise.
1049
1050 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1051
1052         PR target/80190
1053         * config/darwin.c: Include intl.h.
1054         (darwin_build_constant_cfstring): Improve i18n of diagnostics by not
1055         composing the message out of two separate parts.
1056
1057 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR target/80003
1060         * config/i386/i386.c (ix86_set_func_type): Make sure diagnostics
1061         doesn't start with a capital letter and doesn't end with a dot.
1062         (ix86_function_arg_boundary): Make sure diagnostics doesn't start
1063         with a capital letter.
1064         (ix86_mangle_function_version_assembler_name): Likewise.
1065         (ix86_generate_version_dispatcher_body): Likewise.
1066         (fold_builtin_cpu): Likewise.
1067         (get_builtin_code_for_version): Likewise.  Remove extraneous space.
1068         (ix86_handle_interrupt_attribute): Make the diagnostics easier for
1069         translators, wrap full type name in %qs.
1070
1071         PR translation/79999
1072         * gimplify.c (gimplify_omp_ordered): Reword diagnostics to talk about
1073         depend clause with source (or sink) modifier.
1074         * omp-expand.c (expand_omp_ordered_sink): Likewise.
1075
1076         PR target/89602
1077         * config/i386/sse.md (avx512f_mov<ssescalarmodelower>_mask,
1078         *avx512f_load<mode>_mask, avx512f_store<mode>_mask): New define_insns.
1079         (avx512f_load<mode>_mask): New define_expand.
1080         * config/i386/i386-builtin.def (__builtin_ia32_loadsd_mask,
1081         __builtin_ia32_loadss_mask, __builtin_ia32_storesd_mask,
1082         __builtin_ia32_storess_mask, __builtin_ia32_movesd_mask,
1083         __builtin_ia32_movess_mask): New builtins.
1084         * config/i386/avx512fintrin.h (_mm_mask_load_ss, _mm_maskz_load_ss,
1085         _mm_mask_load_sd, _mm_maskz_load_sd, _mm_mask_move_ss,
1086         _mm_maskz_move_ss, _mm_mask_move_sd, _mm_maskz_move_sd,
1087         _mm_mask_store_ss, _mm_mask_store_sd): New intrinsics.
1088
1089 2019-03-07  Martin Jambor  <mjambor@suse.cz>
1090
1091         PR lto/87525
1092         * ipa-cp.c (perform_estimation_of_a_value): Account zero time benefit
1093         for extern inline functions.
1094
1095 2019-03-07  Martin Jambor  <mjambor@suse.cz>
1096
1097         PR ipa/88235
1098         * cgraph.h (cgraph_node): New inline method former_thunk_p.
1099         * cgraph.c (cgraph_node::dump): Dump a note if node is a former thunk.
1100         (clone_of_p): Treat expanded thunks like thunks, be optimistic if they
1101         have multiple callees.  At the end check if declarations match as
1102         opposed to cgraph_nodes.
1103
1104 2019-03-07  Martin Liska  <mliska@suse.cz>
1105
1106         * cgraph.c (cgraph_node::verify_node): Verify with a neighbour
1107         which is equivalent to searching for this in clones chain.
1108         * symtab.c (symtab_node::verify_base): Similarly compare ASM
1109         names with a neighbour and special case first node in a chain.
1110
1111 2019-01-25  Jason Merrill  <jason@redhat.com>
1112
1113         PR c++/80916 - spurious "static but not defined" warning.
1114         * gimple-fold.c (can_refer_decl_in_current_unit_p): Return false
1115         for an internal symbol with DECL_EXTERNAL.
1116
1117 2019-04-07  Richard Biener  <rguenther@suse.de>
1118
1119         PR middle-end/89618
1120         * cfgloopmanip.c (copy_loop_info): Copy forgotten fields.
1121         * tree-inline.c (copy_loops): Simplify.
1122
1123 2019-03-07  Martin Liska  <mliska@suse.cz>
1124
1125         * dwarf2out.c (add_AT_vms_delta): Revert function removal.
1126
1127 2019-03-07  Richard Biener  <rguenther@suse.de>
1128
1129         PR tree-optimization/89595
1130         * tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
1131         stmt iterator as reference, take boolean output parameter to
1132         indicate whether the stmt was removed and thus the iterator
1133         already advanced.
1134         (dom_opt_dom_walker::before_dom_children): Re-iterate over
1135         stmts created by folding.
1136
1137 2019-03-07  Jakub Jelinek  <jakub@redhat.com>
1138
1139         PR c++/89585
1140         * doc/extend.texi (Basic Asm): Document qualifiers are not allowed
1141         at toplevel.
1142
1143 2019-03-06  Peter Bergner  <bergner@linux.ibm.com>
1144
1145         PR rtl-optimization/88845
1146         * config/rs6000/rs6000.c (rs6000_emit_move_si_sf_subreg): Enable during
1147         LRA.
1148         * lra.c (remove_scratches_1): New function.
1149         (remove_scratches): Use it.
1150         (lra_emit_move): Likewise.
1151
1152 2019-03-06  Claudiu Zissulescu  <claziss@synopsys.com>
1153
1154         * config/arc/arc-c.def (__ARC_UNALIGNED__): Set it on
1155         unaligned_access variable.
1156         * config/arc/arc.c (arc_override_options): Set unaligned access
1157         default on for HS CPUs.
1158         * config/arc/arc.h (STRICT_ALIGNMENT): Fix logic.
1159
1160 2019-03-06  Martin Liska  <mliska@suse.cz>
1161
1162         PR gcov-profile/89577
1163         * doc/gcov.texi: Prefer to use --coverage.
1164         * doc/sourcebuild.texi: Likewise.
1165
1166 2019-03-02  Jason Merrill  <jason@redhat.com>
1167
1168         PR c++/86485 - -Wmaybe-unused with empty class ?:
1169         * gimplify.c (gimplify_cond_expr): Use INIT_EXPR.
1170
1171 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1172
1173         PR target/89587
1174         * config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
1175         if_multiarch.
1176
1177         PR middle-end/89590
1178         * builtins.c (maybe_emit_free_warning): Punt if free doesn't have
1179         exactly one argument.
1180
1181 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1182             Richard Sandiford  <richard.sandiford@arm.com>
1183
1184         PR tree-optimization/89570
1185         * match.pd (vec_cond into cond_op simplification): Don't use
1186         get_conditional_internal_fn, use as_internal_fn (cond_op).
1187
1188 2019-03-05  Wilco Dijkstra  <wdijkstr@arm.com>
1189
1190         PR target/89222
1191         * config/arm/arm.md (movsi): Use targetm.cannot_force_const_mem
1192         to decide when to split off a non-zero offset from a symbol.
1193         * config/arm/arm.c (arm_cannot_force_const_mem): Disallow offsets
1194         in function symbols.
1195
1196 2019-03-05  Richard Biener  <rguenther@suse.de>
1197
1198         PR tree-optimization/89594
1199         * tree-if-conv.c (pass_if_conversion::execute): Handle
1200         case where .LOOP_VECTORIZED_FUNCTION was removed.
1201
1202 2019-03-05  Jakub Jelinek  <jakub@redhat.com>
1203
1204         PR bootstrap/89560
1205         * fold-const.c (fold_checksum_tree): Don't use fixed size buffer,
1206         instead alloca it only when needed with the needed size.
1207
1208         PR tree-optimization/89570
1209         * match.pd (vec_cond into cond_op simplification): Guard with
1210         vectorized_internal_fn_supported_p test and #if GIMPLE.
1211
1212         PR tree-optimization/89566
1213         * gimple-ssa-sprintf.c (sprintf_dom_walker::handle_gimple_call):
1214         Set info.fncode to BUILT_IN_NONE if gimple_call_builtin_p failed.
1215         Punt if get_user_idx_format succeeds, but idx_format argument is
1216         not provided or doesn't have pointer type, or if idx_args is above
1217         number of provided arguments.
1218
1219 2019-03-04  Wilco Dijkstra  <wdijkstr@arm.com>
1220
1221         PR tree-optimization/89437
1222         * match.pd: Use lt in sin(atan(x)) and cos(atan(x)) simplifications.
1223
1224 2019-03-04  Richard Biener  <rguenther@suse.de>
1225
1226         PR middle-end/89572
1227         * tree-scalar-evolution.c: (get_loop_exit_condition): Use
1228         safe_dyn_cast.
1229
1230 2019-03-04  Bin Cheng  <bin.cheng@linux.alibaba.com>
1231
1232         PR tree-optimization/89487
1233         * tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
1234         (create_rdg_vertices): Compute has_nonaddressable_dataref_p.
1235         (distribute_loop): Don't do runtime alias check if there is non-
1236         addressable data reference.
1237         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
1238         is a register variable.
1239
1240 2019-03-02  Jakub Jelinek  <jakub@redhat.com>
1241
1242         PR target/89506
1243         * config/arm/arm.md (cmpsi2_addneg): Use
1244         trunc_int_for_mode (-INTVAL (...), SImode) instead of -INTVAL (...).
1245         If operands[2] is 0 or INT_MIN, force use of subs.
1246         (*compare_scc splitter): Use gen_int_mode.
1247         (*negscc): Likewise.
1248         * config/arm/thumb2.md (*thumb2_negscc): Likewise.
1249
1250 2019-03-01  Kito Cheng  <kito.cheng@gmail.com>
1251             Monk Chiang  <sh.chiang04@gmail.com>
1252
1253         * common/config/riscv/riscv-common.c: Include sstream.
1254         (riscv_subset_list::to_string): New.
1255         (riscv_arch_str): Likewise.
1256         * config.gcc (riscv*-*-*): Handle --with-riscv-attribute=
1257         * config.in: Regen.
1258         * config/riscv/riscv-protos.h (riscv_arch_str): New.
1259         * config/riscv/riscv.c (INCLUDE_STRING): Defined.
1260         (riscv_emit_attribute): New.
1261         (riscv_file_start): Emit attribute if needed.
1262         (riscv_option_override): Init riscv_emit_attribute_p.
1263         * config/riscv/riscv.opt (mriscv-attribute): New option.
1264         * configure.ac (riscv*-*-*): Check binutils is supporting ELF
1265         * configure: Regen.
1266         * doc/install.texi: Document --with-riscv-attribute.
1267         * doc/invoke.texi: Document -mriscv-attribute.
1268
1269         * common/config/riscv/riscv-common.c:
1270         Include config/riscv/riscv-protos.h.
1271         (INCLUDE_STRING): Defined.
1272         (RISCV_DONT_CARE_VERSION): Defined.
1273         (riscv_subset_t): Declare.
1274         (riscv_subset_t::riscv_subset_t): New.
1275         (riscv_subset_list): Declare.
1276         (riscv_subset_list::riscv_subset_list): New.
1277         (riscv_subset_list::~riscv_subset_list): Likewise.
1278         (riscv_subset_list::parsing_subset_version): Likewise.
1279         (riscv_subset_list::parse_std_ext): Likewise.
1280         (riscv_subset_list::parse_sv_or_non_std_ext): Likewise.
1281         (riscv_subset_list::add): Likewise.
1282         (riscv_subset_list::lookup): Likewise.
1283         (riscv_subset_list::xlen): Likewise.
1284         (riscv_subset_list::parse): Likewise.
1285         (riscv_supported_std_ext): Likewise.
1286         (current_subset_list): Likewise.
1287         (riscv_parse_arch_string): Using riscv_subset_list::parse to
1288         parse.
1289
1290 2019-03-01  Segher Boessenkool  <segher@kernel.crashing.org>
1291
1292         * config/rs6000/rs6000.c (rs6000_option_override_internal): If
1293         rs6000_dejagnu_cpu_index is set, use that to override rs6000_cpu_index.
1294         * config/rs6000/rs6000.opt (mdejagnu-cpu=): New option.
1295
1296 2019-03-01  Alexander Monakov  <amonakov@ispras.ru>
1297
1298         PR rtl-optimization/85899
1299         * haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
1300         fallthru edges leading to the exit block.
1301
1302 2019-03-01  Tamar Christina  <tamar.christina@arm.com>
1303
1304         PR target/89517
1305         * config/aarch64/aarch64-option-extensions.def (fp, simd, crypto, fp16,
1306         rdma, dotprod, sha2, sha3, sm4, fp16fml, sve): Collapse line.
1307
1308 2019-03-01  Richard Sandiford  <richard.sandiford@arm.com>
1309
1310         PR tree-optimization/89535
1311         * tree-vect-stmts.c (vectorizable_call): Record the vector types
1312         for each operand.  Calculate the fallback choice for mask operands
1313         and pass it to vect_get_vec_def_for_operand.
1314
1315 2019-03-01  Richard Biener  <rguenther@suse.de>
1316
1317         PR middle-end/89541
1318         * tree-ssa-operands.c (add_stmt_operand): CONST_DECL may
1319         get virtual operands.
1320         (get_expr_operands): Handle CONST_DECL like other decls.
1321
1322 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
1323
1324         PR middle-end/89503
1325         * fold-const.c (fold_checksum_tree): Ignore TREE_NO_WARNING bit
1326         on DECL_P and EXPR_P.
1327
1328 2019-03-01  Richard Biener  <rguenther@suse.de>
1329
1330         PR middle-end/89497
1331         * tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
1332         argument, defaulted to zero.
1333         * passes.c (execute_function_todo): Pass down SSA update flags
1334         to cleanup_tree_cfg.
1335         * tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
1336         (cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
1337         form if requested.
1338         (cleanup_tree_cfg): Get and pass down SSA update flags.
1339
1340 2019-03-01  Jakub Jelinek  <jakub@redhat.com>
1341
1342         PR bootstrap/89539
1343         * dwarf2out.c (output_comdat_type_unit): Add ATTRIBUTE_UNUSED to
1344         early_lto_debug argument.
1345
1346 2019-02-28  Eric Botcazou  <ebotcazou@adacore.com>
1347
1348         PR tree-optimization/89536
1349         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
1350         only whether bit #0 of the value is 0 instead of the entire value.
1351
1352 2019-02-28  Marek Polacek  <polacek@redhat.com>
1353
1354         PR c++/87068 - missing diagnostic with fallthrough statement.
1355         * gimplify.c (expand_FALLTHROUGH_r): If IFN_FALLTHROUGH was found
1356         at the end of a seq, save its location to walk_stmt_info.
1357         (expand_FALLTHROUGH): Warn if IFN_FALLTHROUGH is at the end of
1358         a switch.
1359
1360 2019-02-28  Jan Hubicka  <hubicka@ucw.cz>
1361
1362         PR lto/88585
1363         * tree.c (find_atomic_core_type): Move ahead in file.
1364         (check_base_type): Correctly compare alignments of atomic types.
1365
1366 2019-02-28  H.J. Lu  <hongjiu.lu@intel.com>
1367
1368         PR target/89455
1369         * config/i386/i386.c (get_builtin_code_for_version): Identify
1370         Westmere from PCLMUL, instead of AES.
1371
1372 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
1373
1374         PR target/89434
1375         * config/arm/arm.md (*subsi3_carryin_compare_const): Use
1376         trunc_int_for_mode (-INTVAL (...), SImode), just instead of
1377         -UINTVAL (...).
1378
1379 2019-02-28  Tamar Christina  <tamar.christina@arm.com>
1380
1381         PR target/88530
1382         * config/aarch64/aarch64-option-extensions.def: Document it.
1383         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Skip feature
1384         if empty hwcaps.
1385
1386 2019-02-28  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR c/89520
1389         * convert.c (convert_to_real_1, convert_to_integer_1): Punt for
1390         builtins if they don't have a single scalar floating point argument.
1391         Formatting fixes.
1392
1393 2019-02-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1394
1395         PR rtl-optimization/89490
1396         * varasm.c (get_block_for_section): Bail out for mergeable sections.
1397         (default_use_anchors_for_symbol_p, output_object_block): Assert the
1398         block section is not mergeable.
1399
1400 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
1401
1402         PR target/70341
1403         * config/arm/arm.md (arm_casesi_internal): New define_expand.  Rename
1404         old define_insn to ...
1405         (*arm_casesi_internal): ... this.  Add mode to LABEL_REFs.
1406         * config/arm/thumb2.md (thumb2_casesi_internal): New define_expand.
1407         Rename old define_insn to ...
1408         (*thumb2_casesi_internal): ... this.  Add mode to LABEL_REFs.
1409         (thumb2_casesi_internal_pic): New define_expand.  Rename old
1410         define_insn to ...
1411         (*thumb2_casesi_internal_pic): ... this.  Add mode to LABEL_REFs.
1412         * config/aarch64/aarch64.md (casesi): Create the casesi_dispatch
1413         MEM manually here, set MEM_READONLY_P and MEM_NOTRAP_P on it.
1414
1415 2019-02-27  Richard Biener  <rguenther@suse.de>
1416
1417         PR debug/88878
1418         * dwarf2out.c (use_debug_types): Disable when in_lto_p.
1419
1420 2019-02-27  Richard Biener  <rguenther@suse.de>
1421
1422         * passes.c (should_skip_pass_p): Do not skip cgraph-edge
1423         building.
1424
1425 2019-02-27  Richard Biener  <rguenther@suse.de>
1426
1427         PR debug/88878
1428         * dwarf2out.c (output_comdat_type_unit): Add early_lto_debug
1429         parameter, prefix section name with .gnu.debuglto_ if true.
1430         (dwarf2out_finish): Pass false to output_comdat_type_unit.
1431         (dwarf2out_early_finish): Pass true to output_comdat_type_unit.
1432
1433 2019-02-27  Richard Biener  <rguenther@suse.de>
1434
1435         PR debug/89514
1436         * dwarf2out.c (size_of_die): Key on AT_ref (a)->comdat_type_p
1437         rather than on use_debug_types, doing what output_die does.
1438         (value_format): Likewise.
1439
1440 2019-02-27  Martin Jambor  <mjambor@suse.cz>
1441             Martin Sebor  <msebor@redhat.com>
1442
1443         * doc/invoke.texi (Warning Options): Reword description of
1444         -Wno-absolute-value.
1445
1446 2019-02-27  Jakub Jelinek  <jakub@redhat.com>
1447
1448         PR tree-optimization/89280
1449         * tree-cfgcleanup.c (maybe_dead_abnormal_edge_p,
1450         builtin_setjmp_setup_bb): New functions.
1451         (cleanup_control_flow_pre): Ignore maybe_dead_abnormal_edge_p edges.
1452         When visiting __builtin_setjmp_setup block, queue in special
1453         setjmp_vec vector edges from .ABNORMAL_DISPATCHER to corresponding
1454         __builtin_setjmp_receiver.  Remove .ABNORMAL_DISPATCHER basic blocks
1455         from visited after the loop if they don't have any visited successor
1456         blocks.
1457
1458 2018-02-26  Steve Ellcey  <sellcey@marvell.com>
1459
1460         * config/aarch64/aarch64.c (aarch64_get_multilib_abi_name):
1461         New function.
1462         (TARGET_GET_MULTILIB_ABI_NAME): New macro.
1463
1464 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
1465
1466         PR c++/89507
1467         * tree.c (valid_constant_size_p): Deal with size INTEGER_CSTs
1468         with types other than sizetype/ssizetype.
1469
1470 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
1471
1472         * config/sparc/sparc-opts.h (enum processor_type): Rename to...
1473         (enum sparc_processor_type): ...this.
1474         (enum sparc_code_model_type): New enumeration type.
1475         (enum sparc_memory_model_type): Tweak comments.
1476         * config/sparc/sparc.opt (mcpu): Adjust to above renaming.
1477         (mtune): Likewise.
1478         (mcmodel): Use sparc_code_model enumeration and variable.
1479         (sparc_code_model): New enumeration.
1480         (mdebug): Add Undocumented marker.
1481         * config/sparc/sparc.h (enum cmodel): Delete.
1482         (sparc_cmodel): Likewise.
1483         (TARGET_CM_MEDLOW): Adjust to above renaming.
1484         (TARGET_CM_MEDMID): Likewise.
1485         (TARGET_CM_MEDANY): Likewise.
1486         (TARGET_CM_EMBMEDANY): Likewise.
1487         * config/sparc/sparc.c (sparc_cmodel): Delete.
1488         (sparc_option_override): Remove string/value mapping support for the
1489         code model.  Move code and memory model support to after the handling
1490         of target flags.  Do private machine setup last.
1491         (sparc_emit_set_symbolic_const64): Use sparc_code_model.
1492         (sparc_legitimize_reload_address): Likewise.
1493         (sparc_output_mi_thunk): Likewise.
1494         * config/sparc/sparc.md (cpu): Adjust comment to above renaming.
1495
1496 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
1497
1498         PR tree-optimization/89500
1499         * tree-ssa-strlen.c (stridx_strlenloc): Adjust comment.
1500         (handle_builtin_strlen): Remove noncst_bound variable.  Always
1501         optimize strnlen (x, 0) to 0.  Optimize strnlen (x, cst) to
1502         cst if the first cst bytes starting at x are known to be non-zero,
1503         even if the string is not zero terminated.  Don't try to modify
1504         *si for strnlen.  Update strlen_to_stridx only for strlen or if
1505         we can prove strnlen returns the same value as strlen would.
1506
1507 2019-02-26  Martin Liska  <mliska@suse.cz>
1508
1509         * alloc-pool.h (struct pool_usage): Remove extra
1510         print_dash_line.
1511         * bitmap.h (struct bitmap_usage): Likewise.
1512         * ggc-common.c (struct ggc_usage): Likewise.
1513         * mem-stats.h (struct mem_usage): Likewise.
1514         (mem_alloc_description::dump): Print dash lines
1515         here and repeat header at the end of a table report.
1516         It's then more readable.
1517         * tree-phinodes.c (phinodes_print_statistics): Make
1518         horizontal alignment.
1519         * tree-ssanames.c (ssanames_print_statistics): Likewise.
1520         * vec.c (struct vec_usage): Remove extra print_dash_line.
1521         * vec.h (vec_safe_grow_cleared): Pass PASS_MEM_STAT.
1522
1523 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
1524
1525         * doc/extend.texi (__builtin_object_size):
1526         Use @pxref instead of @xref inside parenthesis.
1527         (__builtin_has_attribute): Add missing comma after @xref.
1528         (__builtin_object_size): Ditto.
1529         * doc/md.texi (cond_*{mode}): Use @samp instead of @var around op1[i].
1530         * fortran/invoke.texi (-ffpe-trap): Use @var for every item
1531         in the list.
1532
1533 2019-02-26  Jeff Law  <law@redhat.com>
1534
1535         PR rtl-optimization/87761
1536         * regcprop.c (copyprop_hardreg_forward_1): Use REG_UNUSED notes to
1537         detect obviously dead insns and delete them.
1538
1539 2019-02-26  Richard Biener  <rguenther@suse.de>
1540
1541         PR tree-optimization/89505
1542         * tree-ssa-structalias.c (compute_dependence_clique): Make sure
1543         to handle restrict pointed-to vars with multiple subvars
1544         correctly.
1545
1546 2019-02-26  Richard Biener  <rguenther@suse.de>
1547
1548         PR tree-optimization/89489
1549         * tree-parloops.c (create_loop_fn): Copy over last_clique.
1550
1551 2019-02-26  Eric Botcazou  <ebotcazou@adacore.com>
1552
1553         * tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_IOR_EXPR>: Fix
1554         and move around comment.
1555         <BIT_AND_EXPR>: Likewise.
1556         <BIT_NOT_EXPR>: Add specific handling for boolean types.
1557
1558 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR target/89474
1561         * config/i386/i386.c (remove_partial_avx_dependency): Call
1562         df_analyze etc. before creation of the v4sf_const0 pseudo, rather than
1563         after changing possibly many instructions to use that pseudo.  Fix up
1564         insertion of v4sf_const0 setter at the start of bb.
1565
1566 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
1567
1568         PR c/80409
1569         * doc/extend.texi (Variadic Pointer Args): New section.
1570
1571 2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
1572             Martin Sebor  <msebor@gmail.com>
1573
1574         * common.opt (Wattribute-alias): Likewise.
1575         * doc/invoke.texi (Option Summary): List general form of
1576         -Wattribute-alias=.  List positive form of -Wmissing-attributes.
1577         (-Wmissing-attributes): Invert entry, rewrite and correct default.
1578         Add cross-references.
1579         (-Wattribute-alias): Rewrite and correct default.  Mention
1580         considered attributes (same as for -Wmissing-attributes).
1581
1582 2019-02-25  Paul A. Clarke  <pc@us.ibm.com>
1583
1584         * config/rs6000/emmintrin.h (_mm_cvtpd_epi32): Fix big endian.
1585         (_mm_cvtpd_ps): Likewise.
1586         (_mm_cvttpd_epi32): Likewise.
1587
1588         PR target/89338
1589         * config/rs6000/xmmintrin.h (_mm_cvtss_f32):  Fix type mismatch.
1590         (_mm_cvt_ss2si): Fix type mismatch and 32-bit.
1591
1592         PR target/89339
1593         * config/rs6000/xmmintrin.h (_mm_movemask_pi8): Fix 32-bit.
1594
1595 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
1596
1597         PR target/88530
1598         * common/config/aarch64/aarch64-common.c
1599         (struct aarch64_option_extension): Add is_synthetic.
1600         (all_extensions): Use it.
1601         (TARGET_OPTION_INIT_STRUCT): Define hook.
1602         (struct gcc_targetm_common): Moved to end.
1603         (all_extensions_by_on): New.
1604         (opt_ext_cmp, typedef opt_ext): New.
1605         (aarch64_option_init_struct): New.
1606         (aarch64_contains_opt): New.
1607         (aarch64_get_extension_string_for_isa_flags): Output smallest set.
1608         * config/aarch64/aarch64-option-extensions.def
1609         (AARCH64_OPT_EXTENSION): Explicitly include AES and SHA2 in crypto.
1610         (fp, simd, crc, lse, fp16, rcpc, rdma, dotprod, aes, sha2, sha3,
1611         sm4, fp16fml, sve, profile, rng, memtag, sb, ssbs, predres):
1612         Set is_synthetic to false.
1613         (crypto): Set is_synthetic to true.
1614         * config/aarch64/driver-aarch64.c (AARCH64_OPT_EXTENSION): Add
1615         SYNTHETIC.
1616
1617 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
1618
1619         * config/arm/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
1620         vfmlal_high_u32, vfmlsl_high_u32, vfmlalq_low_u32, vfmlslq_low_u32,
1621         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
1622         vfmlal_lane_high_u32, vfmlalq_laneq_low_u32, vfmlalq_lane_low_u32,
1623         vfmlal_laneq_low_u32, vfmlalq_laneq_high_u32, vfmlalq_lane_high_u32,
1624         vfmlal_laneq_high_u32, vfmlsl_lane_low_u32, vfmlsl_lane_high_u32,
1625         vfmlslq_laneq_low_u32, vfmlslq_lane_low_u32, vfmlsl_laneq_low_u32,
1626         vfmlslq_laneq_high_u32, vfmlslq_lane_high_u32, vfmlsl_laneq_high_u32):
1627         Rename ...
1628         (vfmlal_low_f16, vfmlsl_low_f16, vfmlal_high_f16, vfmlsl_high_f16,
1629         vfmlalq_low_f16, vfmlslq_low_f16, vfmlalq_high_f16, vfmlslq_high_f16,
1630         vfmlal_lane_low_f16, vfmlal_lane_high_f16, vfmlalq_laneq_low_f16,
1631         vfmlalq_lane_low_f16, vfmlal_laneq_low_f16, vfmlalq_laneq_high_f16,
1632         vfmlalq_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_lane_low_f16,
1633         vfmlsl_lane_high_f16, vfmlslq_laneq_low_f16, vfmlslq_lane_low_f16,
1634         vfmlsl_laneq_low_f16, vfmlslq_laneq_high_f16, vfmlslq_lane_high_f16,
1635         vfmlsl_laneq_high_f16): ... To this.
1636         * config/arm/neon.md: Update comments.
1637
1638 2019-02-25  Tamar Christina  <tamar.christina@arm.com>
1639
1640         * config/aarch64/arm_neon.h (vfmlal_low_u32, vfmlsl_low_u32,
1641         vfmlalq_low_u32, vfmlslq_low_u32, vfmlal_high_u32, vfmlsl_high_u32,
1642         vfmlalq_high_u32, vfmlslq_high_u32, vfmlal_lane_low_u32,
1643         vfmlsl_lane_low_u32, vfmlal_laneq_low_u32, vfmlsl_laneq_low_u32,
1644         vfmlalq_lane_low_u32, vfmlslq_lane_low_u32, vfmlalq_laneq_low_u32,
1645         vfmlslq_laneq_low_u32, vfmlal_lane_high_u32, vfmlsl_lane_high_u32,
1646         vfmlal_laneq_high_u32, vfmlsl_laneq_high_u32, vfmlalq_lane_high_u32,
1647         vfmlslq_lane_high_u32, vfmlalq_laneq_high_u32, vfmlslq_laneq_high_u32):
1648         Rename ...
1649         (vfmlal_low_f16, vfmlsl_low_f16, vfmlalq_low_f16, vfmlslq_low_f16,
1650         vfmlal_high_f16, vfmlsl_high_f16, vfmlalq_high_f16, vfmlslq_high_f16,
1651         vfmlal_lane_low_f16, vfmlsl_lane_low_f16, vfmlal_laneq_low_f16,
1652         vfmlsl_laneq_low_f16, vfmlalq_lane_low_f16, vfmlslq_lane_low_f16,
1653         vfmlalq_laneq_low_f16, vfmlslq_laneq_low_f16, vfmlal_lane_high_f16,
1654         vfmlsl_lane_high_f16, vfmlal_laneq_high_f16, vfmlsl_laneq_high_f16,
1655         vfmlalq_lane_high_f16, vfmlslq_lane_high_f16, vfmlalq_laneq_high_f16,
1656         vfmlslq_laneq_high_f16): ... To this.
1657
1658 2019-02-25  Alexander Monakov  <amonakov@ispras.ru>
1659
1660         PR rtl-optimization/86096
1661         * df-scan.c (df_mw_compare): Do not check mw_reg fields when
1662         comparing mw_order values.
1663
1664 2019-02-25  Jakub Jelinek  <jakub@redhat.com>
1665
1666         PR target/89434
1667         * config/arm/arm.md (*subsi3_carryin_const): Use
1668         arm_neg_immediate_operand predicate instead of
1669         arm_not_immediate_operand, "L" constraint instead of "K" and
1670         print it using %n2 instead of %B2.
1671         (*subsi3_carryin_const0): New define_insn.
1672         (*subsi3_carryin_compare_const): Use const_int_I_operand predicate
1673         instead of arm_not_operand and "I" constraint instead of "K" and
1674         print it using %n3 instead of %B2.  Instead of using match_dup 2 add
1675         another match_operand and in the condition check that it is negation
1676         of operands[2].
1677         (*subsi3_carryin_compare_const0): New define_ins.
1678         (*subdi_di_zesidi): Adjust to use *subsi3_carryin_const0 instead of
1679         *subsi3_carryin_const.
1680         (*arm_cmpdi_insn): Fix splitting into *subsi3_carryin_compare_const,
1681         split into *subsi3_carryin_compare_const0 if the highpart is zero.
1682
1683         PR target/89438
1684         * config/arm.vfp.md (*negdf2_vfp): Use
1685         gen_int_mode (0x80000000, SImode) instead of GEN_INT (0x80000000).
1686         * config/arm/neon.md (neon_copysignf<mode>): Likewise.
1687
1688 2019-02-24  Jakub Jelinek  <jakub@redhat.com>
1689
1690         PR rtl-optimization/89445
1691         * simplify-rtx.c (simplify_ternary_operation): Don't use
1692         simplify_merge_mask on operands that may trap.
1693         * rtlanal.c (may_trap_p_1): Use FLOAT_MODE_P instead of
1694         SCALAR_FLOAT_MODE_P checks.  For integral division by zero, if
1695         second operand is CONST_VECTOR, check if any element could be zero.
1696         Don't expect traps for VEC_{MERGE,SELECT,CONCAT,DUPLICATE} unless
1697         their operands can trap.
1698
1699 2019-02-23  Martin Sebor  <msebor@redhat.com>
1700
1701         * gimple-ssa-sprintf.c (target_strtol): Rename...
1702         (target_strtohwi): ...to this.  Handle values up to HOST_WIDE_INT_MAX.
1703         (parse_directive): Adjust to name change.  Use HOST_WIDE_INT_MAX to
1704         check for range error.
1705
1706 2019-02-23  H.J. Lu  <hongjiu.lu@intel.com>
1707
1708         PR driver/69471
1709         * opts-common.c (prune_options): Also prune joined switches
1710         with Negative and RejectNegative.
1711         * config/i386/i386.opt (march=): Add Negative(march=).
1712         (mtune=): Add Negative(mtune=).
1713         * doc/options.texi: Document Negative used together with Joined
1714         and RejectNegative.
1715
1716 2019-02-22  Martin Sebor  <msebor@redhat.com>
1717
1718         * doc/extend.texi (Other Builtins): Add
1719         __builtin_is_constant_evaluated.
1720
1721 2019-02-22  Richard Biener  <rguenther@suse.de>
1722
1723         PR tree-optimization/87609
1724         * tree-cfg.c (gimple_duplicate_bb): Only remap inlined cliques.
1725
1726 2019-02-22  Jeff Law  <law@redhat.com>
1727
1728         PR rtl-optimization/87761
1729         * config/mips/mips.md: Add new combiner pattern to recognize
1730         a bitfield extraction using (ashiftrt (truncate (ashift (...)))).
1731
1732 2019-02-22  Matthew Malcomson  <matthew.malcomson@arm.com>
1733
1734         PR target/89324
1735         * config/aarch64/aarch64.md: Use aarch64_general_reg predicate on
1736         destination register in peepholes generating patterns for ADDS/SUBS.
1737         (add<mode>3_compare0,
1738         *addsi3_compare0_uxtw, add<mode>3_compareC,
1739         add<mode>3_compareV_imm, add<mode>3_compareV,
1740         *adds_<optab><ALLX:mode>_<GPI:mode>,
1741         *subs_<optab><ALLX:mode>_<GPI:mode>,
1742         *adds_<optab><ALLX:mode>_shift_<GPI:mode>,
1743         *subs_<optab><ALLX:mode>_shift_<GPI:mode>,
1744         *adds_<optab><mode>_multp2, *subs_<optab><mode>_multp2,
1745         *sub<mode>3_compare0, *subsi3_compare0_uxtw,
1746         sub<mode>3_compare1): Allow stack pointer for source register.
1747         * config/aarch64/predicates.md (aarch64_general_reg): New predicate.
1748
1749 2019-02-22  Martin Sebor  <msebor@redhat.com>
1750
1751         PR tree-optimization/88993
1752         PR tree-optimization/88853
1753         * gimple-ssa-sprintf.c (sprintf_dom_walker::call_info::is_file_func):
1754         New helper.
1755         (sprintf_dom_walker::call_info::is_string_func): New helper.
1756         (format_directive): Only issue "may exceed" 4095/INT_MAX warnings
1757         for formatted string functions.
1758         (sprintf_dom_walker::handle_gimple_call): Fix a typo in a comment.
1759
1760 2019-02-22  Martin Sebor  <msebor@redhat.com>
1761
1762         PR c/89425
1763         * c-parser.c (sizeof_ptr_memacc_comptypes): Avoid warning in
1764         unreachable subexpressions.
1765
1766 2019-02-22  H.J. Lu  <hongjiu.lu@intel.com>
1767             Hongtao Liu  <hongtao.liu@intel.com>
1768             Sunil K Pandey  <sunil.k.pandey@intel.com>
1769
1770         PR target/87007
1771         * config/i386/i386-passes.def: Add
1772         pass_remove_partial_avx_dependency.
1773         * config/i386/i386-protos.h
1774         (make_pass_remove_partial_avx_dependency): New.
1775         * config/i386/i386.c (make_pass_remove_partial_avx_dependency):
1776         New function.
1777         (pass_data_remove_partial_avx_dependency): New.
1778         (pass_remove_partial_avx_dependency): Likewise.
1779         (make_pass_remove_partial_avx_dependency): Likewise.
1780         * config/i386/i386.md (avx_partial_xmm_update): New attribute.
1781         (*extendsfdf2): Add avx_partial_xmm_update.
1782         (truncdfsf2): Likewise.
1783         (*float<SWI48:mode><MODEF:mode>2): Likewise.
1784         (SF/DF conversion splitters): Disabled for TARGET_AVX.
1785
1786 2019-02-22  Aldy Hernandez  <aldyh@redhat.com>
1787
1788         PR middle-end/85598
1789         * gimple-ssa-sprintf.c (pass_sprintf_length::execute): Enable loop
1790         analysis for pass.
1791
1792 2019-02-22  Thiago Macieira  <thiago.macieira@intel.com>
1793
1794         PR target/89444
1795         * config/i386/i386.h (PTA_WESTMERE): Remove PTA_AES.
1796         (PTA_SKYLAKE): Add PTA_AES.
1797         (PTA_GOLDMONT): Likewise.
1798
1799 2019-02-22  Sudakshina Das  <sudi.das@arm.com>
1800
1801         * config/aarch64/aarch64.c (aarch64_output_mi_thunk): Add bti
1802         instruction if enabled.
1803         (aarch64_override_options): Remove reference to return address key.
1804
1805 2019-02-22  Richard Biener  <rguenther@suse.de>
1806
1807         PR tree-optimization/89440
1808         * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
1809         not necessary assert.
1810
1811 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
1812
1813         PR fortran/72741
1814         * omp-general.c (oacc_replace_fn_attrib): Mostly split out into...
1815         (oacc_replace_fn_attrib_attr): ... this new function.
1816         * omp-general.h (oacc_replace_fn_attrib_attr): New prototype.
1817         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Revert workaround.
1818
1819 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1820
1821         * config/arm/arm-cpus.in (ares): Rename to...
1822         (neoverse-n1): ... This.  Add ares as alias.
1823         * config/arm/arm-tables.opt: Regenerate.
1824         * config/arm/arm-tune.md: Likewise.
1825         * doc/invoke.txt (ARM Options): Document neoverse-n1.
1826
1827 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1828
1829         * config/aarch64/aarch64-cores.def (neoverse-e1): Define.
1830         * config/aarch64/aarch64-tune.md: Regenerate.
1831         * doc/invoke.texi (AArch64 Options): Document neoverse-e1 -mcpu option.
1832
1833 2019-02-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1834
1835         * config/aarch64/aarch64.c (ares_tunings): Rename to...
1836         (neoversen1_tunings): ... This.
1837         * config/aarch64/aarch64-cores.def (ares): Change tuning to the above.
1838         (neoverse-n1): New CPU.
1839         * config/aarch64/aarch64-tune.md: Regenerate.
1840         * doc/invoke.txt (AArch64 Options): Document neoverse-n1.
1841
1842 2019-02-22  Richard Biener  <rguenther@suse.de>
1843
1844         PR middle-end/87609
1845         * cfghooks.h (dependence_hash): New typedef.
1846         (struct copy_bb_data): New type.
1847         (cfg_hooks::duplicate_block): Adjust to take a copy_bb_data argument.
1848         (duplicate_block): Likewise.
1849         * cfghooks.c (duplicate_block): Pass down copy_bb_data.
1850         (copy_bbs): Create and pass down copy_bb_data.
1851         * cfgrtl.c (cfg_layout_duplicate_bb): Adjust.
1852         (rtl_duplicate_bb): Likewise.
1853         * tree-cfg.c (gimple_duplicate_bb): If the copy_bb_data arg is not NULL
1854         remap dependence info.
1855
1856 2019-02-22  Richard Biener  <rguenther@suse.de>
1857
1858         PR tree-optimization/87609
1859         * tree-core.h (tree_base): Document special clique values.
1860         * tree-inline.c (remap_dependence_clique): Do not use the
1861         special clique value of one.
1862         (maybe_set_dependence_info): Use clique one.
1863         (clear_dependence_clique): New callback.
1864         (compute_dependence_clique): Clear clique one from all refs
1865         before assigning it (again).
1866
1867 2019-02-21  Martin Sebor  <msebor@redhat.com>
1868
1869         * doc/extend.texi (__clear_cache): Correct signature.
1870
1871 2019-02-21  Ian Lance Taylor  <iant@golang.org>
1872
1873         PR go/89170
1874         * varasm.c (decode_addr_const): Call lookup_constant_def rather
1875         than output_constant_def.
1876         (add_constant_to_table): New static function.
1877         (output_constant_def): Call add_constant_to_table.
1878         (tree_output_constant_def): Likewise.
1879
1880 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
1881
1882         PR c++/89285
1883         * builtins.c (fold_builtin_arith_overflow): If first two args are
1884         INTEGER_CSTs, set intres and ovfres to constants rather than calls
1885         to ifn.
1886
1887 2019-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1888
1889         PR target/87412
1890         * config/i386/i386.c (ix86_set_indirect_branch_type): Issue an
1891         error for -mindirect-branch/-mfunction-return with incompatible
1892         -fcf-protection.
1893
1894 2019-02-21  Jakub Jelinek  <jakub@redhat.com>
1895
1896         PR bootstrap/88714
1897         * constraints.md (q): Remove.
1898         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use rk constraint
1899         instead of q.
1900
1901 2019-02-21  Martin Jambor  <mjambor@suse.cz>
1902
1903         PR hsa/89302
1904         * omp-general.c (omp_extract_for_data): Removed a duplicate call
1905         to omp_adjust_for_condition, moved NE_EXPR code_cond processing...
1906         (omp_adjust_for_condition): ...here.  Added necessary parameters.
1907         * omp-general.h (omp_adjust_for_condition): Updated declaration.
1908         * omp-grid.c (grid_attempt_target_gridification): Adjust to pass
1909         proper values to new parameters of omp_adjust_for_condition.
1910
1911 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR middle-end/89412
1914         * expr.c (expand_assignment): If result is a MEM, use change_address
1915         instead of simplify_gen_subreg.
1916
1917 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
1918             David Malcolm  <dmalcolm@redhat.com>
1919
1920         PR middle-end/89091
1921         * fold-const.c (decode_field_reference): Return NULL_TREE if
1922         lang_hooks.types.type_for_size returns NULL.  Check it before
1923         overwriting *exp_.  Use return NULL_TREE instead of return 0.
1924
1925 2019-02-20  Jakub Jelinek  <jakub@redhat.com>
1926
1927         PR middle-end/88074
1928         PR middle-end/89415
1929         * toplev.c (do_compile): Double the emin/emax exponents to workaround
1930         buggy mpc_norm.
1931
1932 2019-02-20  Uroš Bizjak  <ubizjak@gmail.com>
1933
1934         PR target/89397
1935         * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Check
1936         TARGET_SSE in addition to TARGET_SSE_MATH.
1937
1938         (ix86_excess_precision): Ditto.
1939         (ix86_float_exceptions_rounding_supported_p): Ditto.
1940         (use_rsqrt_p): Ditto.
1941         * config/i386/sse.md (rsqrt<mode>2): Ditto.
1942
1943 2019-02-20  David Malcolm  <dmalcolm@redhat.com>
1944
1945         PR c/89410
1946         * diagnostic-show-locus.c (layout::calculate_line_spans): Use
1947         linenum_arith_t when determining if two adjacent line spans are
1948         close enough to merge.
1949         (diagnostic_show_locus): Use linenum_arith_t when iterating over
1950         lines within each line_span.
1951
1952 2019-02-20 Andre Vieira  <andre.simoesdiasvieira@arm.com>
1953
1954         PR target/86487
1955         * lra-constraints.c(uses_hard_regs_p): Fix handling of
1956         paradoxical SUBREGS.
1957
1958 2019-02-20  Li Jia He  <helijia@linux.ibm.com>
1959
1960         PR target/88100
1961         * gcc/config/rs6000/rs6000.c (rs6000_gimple_fold_builtin)
1962         <case ALTIVEC_BUILTIN_VSPLTISB, ALTIVEC_BUILTIN_VSPLTISH,
1963         ALTIVEC_BUILTIN_VSPLTISW>: Don't convert the operand before
1964         range checking it.
1965
1966 2019-02-19  Jonathan Wakely  <jwakely@redhat.com>
1967
1968         * config/gcn/gcn.c (print_operand): Fix typo.
1969
1970 2019-02-19  Richard Biener  <rguenther@suse.de>
1971
1972         PR middle-end/88074
1973         * toplev.c (do_compile): Initialize mpfr's exponent range
1974         based on available float modes.
1975
1976 2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1977
1978         * rtlanal.c (get_initial_register_offset): Fall back to the estimate
1979         as long as the epilogue isn't completed.
1980
1981 2019-02-18  Martin Sebor  <msebor@redhat.com>
1982
1983         * doc/cpp.texi (Conditional syntax): Add __has_attribute,
1984         __has_cpp_attribute, and __has_include.
1985
1986 2019-02-18  Martin Sebor  <msebor@redhat.com>
1987
1988         * doc/invoke.texi (-Wreturn-type): Correct and expand.
1989
1990 2019-02-18  Martin Sebor  <msebor@redhat.com>
1991
1992         PR middle-end/89294
1993         * tree.c (valid_constant_size_p): Avoid assuming size is a constant
1994         expression.
1995         * tree.h (cst_size_error): Add the cst_size_not_constant enumerator.
1996
1997 2019-02-18  Richard Biener  <rguenther@suse.de>
1998
1999         PR tree-optimization/89296
2000         * tree-ssa-loop-ch.c (ch_base::copy_headers): Restrict setting
2001         of no-warning flag to cases that might emit the bogus warning.
2002
2003 2019-02-18  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR bootstrap/88714
2006         * config/arm/arm.md (*arm_movdi, *movdf_soft_insn): Use "r" instead of
2007         "q" constraint.
2008         * config/arm/vfp.md (*movdi_vfp): Likewise.
2009         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use "r" instead of
2010         "q" constraint for operands[0].
2011
2012         PR target/89369
2013         * config/s390/s390.md (*r<noxa>sbg_<mode>_srl_bitmask,
2014         *r<noxa>sbg_<mode>_sll, *r<noxa>sbg_<mode>_srl): Don't construct
2015         pattern in a temporary buffer.
2016         (*r<noxa>sbg_sidi_srl): Likewise.  Always use 32 as I3 rather
2017         than 64-operands[2].
2018
2019         PR target/89361
2020         * config/s390/s390.c (s390_indirect_branch_attrvalue,
2021         s390_indirect_branch_settings): Define unconditionally.
2022         (s390_set_current_function): Likewise, but guard the whole body except
2023         the s390_indirect_branch_settings call with
2024         #if S390_USE_TARGET_ATTRIBUTE.
2025         (TARGET_SET_CURRENT_FUNCTION): Redefine unconditionally.
2026
2027         * config/s390/s390.md (*<risbg_n>_ior_and_sr_ze,
2028         *<risbg_n>_<mode>_ior_and_lshiftrt, *<risbg_n>_sidi_ior_and_lshiftrt):
2029         Use HOST_WIDE_INT_M1U instead of ~(0ULL).
2030         (*<risbg_n>_and_subregdi_rotr, *<risbg_n>_and_subregdi_rotl): Use
2031         HOST_WIDE_INT_1U instead of 1ULL.
2032         (*pre_z10_extzv<mode>, *pre_z10_extv<mode>): Change mask type from int
2033         to unsigned HOST_WIDE_INT, use HOST_WIDE_INT_1U instead of 1ul.
2034         (*insv<mode><clobbercc_or_nocc>_appendbitsleft,
2035         z = (x << c) | (y >> d) splitters): Use HOST_WIDE_INT_1U
2036         instead of 1UL.
2037         (*insv<mode>_mem_reg, *insvdi_mem_reghigh): Use HOST_WIDE_INT_1U
2038         instead of 1ul.
2039
2040 2019-02-18  Martin Jambor  <mjambor@suse.cz>
2041
2042         PR tree-optimization/89209
2043         * tree-sra.c (create_access_replacement): New optional parameter
2044         reg_tree.  Use it as a type if non-NULL and access type is not of
2045         a register type.
2046         (get_repl_default_def_ssa_name): New parameter REG_TYPE, pass it
2047         to create_access_replacement.
2048         (sra_modify_assign): Pass LHS type to get_repl_default_def_ssa_name.
2049         Check lacc is non-NULL before attempting to re-create it on the RHS.
2050
2051 2019-02-18  Martin Liska  <mliska@suse.cz>
2052
2053         PR ipa/89306
2054         * cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
2055         by default.
2056         (symbol_table::free_edge): Recycle m_summary_id.
2057         * cgraph.h (get_summary_id): New.
2058         (symbol_table::release_symbol): Set m_summary_id to -1
2059         by default.
2060         (symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
2061         * ipa-fnsummary.c (ipa_fn_summary_t): Switch from
2062         function_summary to fast_function_summary.
2063         * ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
2064         * ipa-pure-const.c (class funct_state_summary_t):
2065         Switch from function_summary to fast_function_summary.
2066         * ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
2067         (class ipa_ref_opt_summary_t): Switch from function_summary
2068         to fast_function_summary.
2069         * symbol-summary.h (class function_summary_base): New class
2070         that is created from base of former function_summary.
2071         (function_summary_base::unregister_hooks): New.
2072         (class function_summary): Inherit from function_summary_base.
2073         (class call_summary_base): New class
2074         that is created from base of former call_summary.
2075         (class call_summary): Inherit from call_summary_base.
2076         (struct is_same): New.
2077         (class fast_function_summary): New summary class.
2078         (class fast_call_summary): New summary class.
2079         * vec.h (vec_safe_grow_cleared): New function.
2080
2081 2019-02-18  Martin Liska  <mliska@suse.cz>
2082
2083         * config/i386/i386.c (ix86_get_multilib_abi_name): New function.
2084         (TARGET_GET_MULTILIB_ABI_NAME): New macro defined.
2085         * doc/tm.texi: Document new target hook.
2086         * doc/tm.texi.in: Likewise.
2087         * target.def: Add new target macro.
2088         * gcc.c (find_fortran_preinclude_file): Do not search multilib
2089         suffixes.
2090
2091 2019-02-17  Alan Modra  <amodra@gmail.com>
2092
2093         PR target/89271
2094         * config/rs6000/rs6000.md (<bd>_<mode> split): Check for an int
2095         output reg on add insn.
2096         (<bd>tf_<mode> split): Likewise.  Match predicates with insn.
2097
2098 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2099
2100         PR target/89372
2101         * config/i386/sse.md (ssedoublemode): Remove V4HI.
2102         (PMULHRSW): Likewise.
2103         (<ssse3_avx2>_pmulhrsw<mode>3): Require TARGET_SSSE3, not
2104         TARGET_AVX2.
2105         (ssse3_pmulhrswv4hi3): New expander.
2106
2107 2019-02-16  H.J. Lu  <hongjiu.lu@intel.com>
2108
2109         * config/i386/mmx.md (*vec_extractv2si_zext_mem): Doesn't require
2110         MMX.  Add isa attribute.
2111
2112 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR rtl-optimization/66152
2115         * builtins.h (c_readstr): Declare.
2116         * builtins.c (c_readstr): Remove forward declaration.  Add
2117         null_terminated_p argument, if false, read all bytes from the
2118         string instead of stopping after '\0'.
2119         * expr.c (string_cst_read_str): New function.
2120         (store_expr): Use string_cst_read_str instead of
2121         builtin_strncpy_read_str.  Try to store by pieces the whole
2122         exp_len first, and only if that fails, split it up into
2123         store by pieces followed by clear_storage.  Formatting fix.
2124
2125         * config/i386/i386.md (*movqi_internal): Remove static from
2126         buf variable.  Use output_asm_insn (buf, operands); return "";
2127         instead of return buf;.
2128         * config/i386/sse.md (<sse>_andnot<mode>3<mask_name>,
2129         *<code><mode>3<mask_name>, *andnot<mode>3, *andnottf3, *<code><mode>3,
2130         *<code>tf3, <mask_codefor><code><mode>3<mask_name>): Likewise.
2131
2132 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2133
2134         * config/sparc/linux.h (ASAN_CC1_SPEC): Define.
2135         (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC and ASAN_CC1_SPEC.
2136         * config/sparc/linux64.h (ASAN_CC1_SPEC): Likewise.
2137         (CC1_SPEC): Likewise.
2138         * config/sparc/sparc.c (sparc_asan_shadow_offset): Adjust for 64-bit.
2139
2140 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2141
2142         * asan.c (asan_emit_stack_protection): Use full-sized mask to align
2143         the base address on 64-bit strict-alignment platforms.
2144
2145 2019-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2146
2147         * config/i386/i386.h (VALID_MMX_REG_MODE): Correct the misplaced ')'.
2148
2149 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
2150
2151         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT_P): New define.
2152
2153 2019-02-15  Aaron Sawdey  <acsawdey@linux.ibm.com>
2154
2155         PR rtl-optimization/88308
2156         * shrink-wrap.c (move_insn_for_shrink_wrap): Fix LABEL_NUSES counts
2157         on copied instruction.
2158
2159 2019-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2160
2161         * final.c (insn_current_reference_address): Replace test on JUMP_P
2162         with test on jump_to_label_p.
2163         * config/visium/visium-passes.def: New file.
2164         * config/visium/t-visium (PASSES_EXTRA): Define.
2165         * config/visium/visium-protos.h (make_pass_visium_reorg): Declare.
2166         * config/visium/visium.h (TRAMPOLINE_SIZE): Adjust.
2167         (TRAMPOLINE_ALIGNMENT): Define.
2168         * config/visium/visium.c (visium_option_override): Do not register
2169         the machine-specific reorg pass here.
2170         (visium_trampoline_init): Align the BRA insn on a 64-bit boundary
2171         for the GR6.
2172         (output_branch): Adjust threshold for long branch instruction.
2173         * config/visium/visium.md (cpu): Move around.
2174         (length): Adjust for the GR6.
2175
2176 2019-02-15  Richard Biener  <rguenther@suse.de>
2177             Jakub Jelinek  <jakub@redhat.com>
2178
2179         PR tree-optimization/89278
2180         * tree-loop-distribution.c: Include tree-eh.h.
2181         (generate_memset_builtin, generate_memcpy_builtin): Call
2182         rewrite_to_non_trapping_overflow on builtin->size before passing it
2183         to force_gimple_operand_gsi.
2184
2185 2019-02-15  Jakub Jelinek  <jakub@redhat.com>
2186
2187         PR other/89342
2188         * optc-save-gen.awk: Handle optimize_fast like optimize_size or
2189         optimize_debug.
2190         * opth-gen.awk: Likewise.
2191
2192 2019-02-15  Uroš Bizjak  <ubizjak@gmail.com>
2193
2194         * config/i386/i386.h (TARGET_SUBTARGET64_ISA_DEFAULT):
2195         Enable MMX, SSE and SSE2 by default.
2196         * config/i386/i386.c (ix86_option_override_internal): Do not
2197         explicitly set MMX, SSE and SSE2 flags for TARGET_64BIT here.
2198
2199 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
2200
2201         PR rtl-optimization/89354
2202         * combine.c (make_extraction): Punt if extraction_mode is narrower
2203         than len bits.
2204
2205 2019-02-14  Maya Rashish  <coypu@sdf.org>
2206
2207         * config.gcc (*-*-netbsd*): Add netbsd-d.o.
2208         * config/netbsd-d.c: New file.
2209         * config/t-netbsd: Add netbsd-d.o
2210
2211 2018-02-14  Steve Ellcey  <sellcey@marvell.com>
2212
2213         * config/aarch64/aarch64.c (aarch64_attribute_table): Change
2214         affects_type_identity to true for aarch64_vector_pcs.
2215         (aarch64_comp_type_attributes): New function.
2216         (TARGET_COMP_TYPE_ATTRIBUTES): New macro.
2217
2218 2019-02-14  Tamar Christina  <tamar.christina@arm.com>
2219
2220         PR target/88850
2221         * config/arm/iterators.md (ANY64): Add V4HF.
2222
2223 2019-02-14  Martin Liska  <mliska@suse.cz>
2224
2225         PR rtl-optimization/89242
2226         * dce.c (delete_unmarked_insns): Call free_dominance_info we
2227         process a transformation.
2228
2229 2019-02-14  Jakub Jelinek  <jakub@redhat.com>
2230
2231         PR tree-optimization/89314
2232         * fold-const.c (fold_binary_loc): Cast strlen argument to
2233         const char * before dereferencing it.  Formatting fixes.
2234
2235         PR middle-end/89284
2236         * passes.def: Swap pass_ubsan and pass_early_warn_uninitialized.
2237
2238 2019-02-13  Ian Lance Taylor  <iant@golang.org>
2239
2240         * optc-save-gen.awk: Set var_opt_hash for initial optimizations
2241         and set current index for other optimizations.
2242
2243 2019-02-13  Uroš Bizjak  <ubizjak@gmail.com>
2244
2245         * config/i386/sse.md (vec_set<VI4F_256_512:mode>_0): Use
2246         nonimmediate_operand as operand 2 predicate.
2247         (vec_set<VF2_512_256:mode>_0): Ditto.
2248         (vec_set<VI8_AVX_AVX512F:mode>_0): Ditto.
2249         (*vec_concatv2si): Remove alternative 2.
2250         (*vec_concatv4si_0): Use vm constraint for alternative 0.
2251         (*vec_concatv4si_0): Remove preferred_for_speed attribute.
2252         (vec_concatv2di): Split alternatives 4,5,6 to ...
2253         (*vec_concatv2di_0) ... new pattern.
2254
2255 2019-02-13  Wilco Dijkstra  <wdijkstr@arm.com>
2256
2257         PR target/89190
2258         * config/arm/arm.c (ldm_stm_operation_p) Set
2259         addr_reg_in_reglist correctly for first register.
2260         (load_multiple_sequence): Remove dead base check.
2261         (gen_ldm_seq): Correctly set write_back for Thumb-1.
2262
2263 2019-02-13  Tamar Christina  <tamar.christina@arm.com>
2264
2265         PR target/88847
2266         * config/aarch64/aarch64-sve.md (*pred_mov<mode>, pred_mov<mode>):
2267         Expose as @aarch64_pred_mov.
2268         * config/aarch64/aarch64.c (aarch64_classify_address):
2269         Use expand_insn which legitimizes operands.
2270
2271 2019-02-13  Martin Liska  <mliska@suse.cz>
2272
2273         * builtins.h (expand_builtin_with_bounds): Remove declaration.
2274         * calls.c (struct arg_data): Remove special_slot, pointer_arg
2275         and pointer_offset fields.
2276         (initialize_argument_information): Remove usage of dead
2277         fields.
2278         * cgraph.h (struct cgraph_thunk_info): Remove
2279         add_pointer_bounds_args.
2280         * cgraphunit.c (cgraph_node::expand_thunk): Remove usage of dead
2281         fields.
2282         (cgraph_node::assemble_thunks_and_aliases): Remove usage of dead
2283         fields.
2284         * config/i386/i386.c (ix86_function_arg_advance): Remove
2285         unrelated comment.
2286         (struct builtin_isa): Remove leaf_p and nothrow_p fields.
2287         (def_builtin):  Remove usage of dead
2288         fields.
2289         (ix86_add_new_builtins): Likewise.
2290         * ipa-fnsummary.c (compute_fn_summary): Likewise.
2291         * ipa-icf.c (sem_function::equals_wpa): Likewise.
2292         (sem_function::init): Likewise.
2293         (sem_variable::merge): Likewise.
2294         * ipa-visibility.c (function_and_variable_visibility): Likewise.
2295         * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
2296         * lto-cgraph.c (lto_output_node): Likewise.
2297         (lto_output_varpool_node): Likewise.
2298         (input_node): Likewise.
2299         (input_varpool_node): Likewise.
2300         * lto-streamer-out.c (lto_output): Likewise.
2301         * tree-inline.c (expand_call_inline): Remove usage of
2302         assign_stmts.
2303         * tree-inline.h (struct copy_body_data): Likewise.
2304         * varpool.c (varpool_node::dump): Likewise.
2305
2306 2019-02-13  Jakub Jelinek  <jakub@redhat.com>
2307
2308         PR middle-end/89303
2309         * tree-ssa-structalias.c (set_uids_in_ptset): Or in vi->is_heap_var
2310         into pt->vars_contains_escaped_heap instead of setting
2311         pt->vars_contains_escaped_heap to it.
2312
2313         PR middle-end/89281
2314         * optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
2315         INTVAL (size), compare it to GET_MODE_MASK instead of
2316         1 << GET_MODE_BITSIZE.
2317
2318         PR target/89290
2319         * config/i386/predicates.md (x86_64_immediate_operand): Allow
2320         TLS UNSPECs offsetted by signed 32-bit CONST_INT even with
2321         -mcmodel=large.
2322
2323 2019-02-13  Martin Liska  <mliska@suse.cz>
2324
2325         PR lto/88858
2326         * cfgrtl.c (remove_barriers_from_footer): New function.
2327         (try_redirect_by_replacing_jump): Use it.
2328         (cfg_layout_redirect_edge_and_branch): Likewise.
2329
2330 2019-02-13  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
2331
2332         * config/rs6000/altivec.h (vec_sbox_be, vec_cipher_be,
2333         vec_cipherlast_be, vec_ncipher_be, vec_ncipherlast_be): New #defines.
2334         * config/rs6000/crypto.md (CR_vqdi): New define_mode_iterator.
2335         (crypto_vsbox_<mode>, crypto_<CR_insn>_<mode>): New define_insns.
2336         * config/rs6000/rs6000-builtin.def (VSBOX_BE): New BU_CRYPTO_1.
2337         (VCIPHER_BE, VCIPHERLAST_BE, VNCIPHER_BE, VNCIPHERLAST_BE):
2338         New BU_CRYPTO_2.
2339         * config/rs6000/rs6000.c (builtin_function_type)
2340         <CRYPTO_BUILTIN_VSBOX_BE, CRYPTO_BUILTIN_VCIPHER_BE,
2341         CRYPTO_BUILTIN_VCIPHERLAST_BE, CRYPTO_BUILTIN_VNCIPHER_BE,
2342         CRYPTO_BUILTIN_VNCIPHERLAST_BE>: New switch options.
2343         * doc/extend.texi (vec_sbox_be, vec_cipher_be, vec_cipherlast_be,
2344         vec_ncipher_be, vec_ncipherlast_be): New builtin functions.
2345
2346 2019-02-12  Pat Haugen  <pthaugen@us.ibm.com>
2347
2348         * doc/invoke.texi (RS/6000 and PowerPC Options): Remove duplicate
2349         -maltivec. Delete -maltivec=be and -maltivec=le documentation.
2350
2351 2019-02-12  H.J. Lu  <hongjiu.lu@intel.com>
2352
2353         PR target/89229
2354         * config/i386/i386.md (*movoi_internal_avx): Revert revision
2355         268678 and revision 268657.
2356         (*movti_internal): Likewise.
2357
2358 2019-02-12  Ilya Leoshkevich  <iii@linux.ibm.com>
2359
2360         PR target/89233
2361         * config/s390/s390.c (s390_decompose_address): Update comment.
2362         (s390_check_qrst_address): Reject invalid address forms after
2363         LRA.
2364
2365 2019-02-12  Martin Liska  <mliska@suse.cz>
2366
2367         PR lto/88876
2368         * ipa-pure-const.c (propagate_pure_const): Revert hunk as
2369         we need default values of funct_state for a function that
2370         is not optimized.
2371
2372 2019-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2373
2374         * asan.c (asan_expand_mark_ifn): Take into account the alignment of
2375         the object to pick the size of stores on strict-alignment platforms.
2376
2377         * config/sparc/sparc.md (*movsi_insn): Minor tweak.
2378         (*movdi_insn_sp32): Likewise.
2379         (*movdi_insn_sp64): Likewise.
2380
2381 2019-02-12  Jan Hubicka  <hubicka@ucw.cz>
2382
2383         PR lto/88677
2384         * cgraphunit.c (analyze_functions): Clear READONLY flag for external
2385         types that needs constructiong.
2386         * tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
2387
2388 2019-02-12  Richard Biener  <rguenther@suse.de>
2389
2390         PR tree-optimization/89253
2391         * tree-ssa-loop-split.c (tree_ssa_split_loops): Check we can
2392         duplicate the loop.
2393
2394 2019-02-11  David Malcolm  <dmalcolm@redhat.com>
2395
2396         PR lto/88147
2397         * input.c (selftest::test_line_offset_overflow): New selftest.
2398         (selftest::input_c_tests): Call it.
2399
2400 2019-02-11  Martin Sebor  <msebor@redhat.com>
2401
2402         PR tree-optimization/88771
2403         * gimple-ssa-warn-restrict.c (pass_wrestrict::gate): Also enable
2404         when -Wstringop-overflow is set.
2405         (builtin_memref::builtin_memref): Adjust excessive upper bound
2406         only when lower bound is not excessive.
2407         (maybe_diag_overlap): Detect and diagnose excessive bounds via
2408         -Wstringop-ovefflow.
2409         (maybe_diag_offset_bounds): Rename...
2410         (maybe_diag_access_bounds): ...to this.
2411         (check_bounds_or_overlap): Adjust for name change above.
2412
2413 2019-02-11  Martin Sebor  <msebor@redhat.com>
2414
2415         PR c++/87996
2416         * builtins.c (max_object_size): Move from here...
2417         * builtins.h (max_object_size): ...and here...
2418         * tree.c (max_object_size): ...to here...
2419         * tree.h (max_object_size): ...and here.
2420
2421 2019-02-11  Bill Schmidt  <wschmidt@linux.ibm.com>
2422
2423         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Shift-right
2424         and shift-left vector built-ins need to include a TRUNC_MOD_EXPR
2425         for correct semantics.
2426
2427 2019-02-11  Alan Modra  <amodra@gmail.com>
2428
2429         * doc/invoke.texi (man page RS/6000 and PowerPC Options): Mention
2430         -mlongcall and -mpltseq.
2431         (RS/6000 and PowerPC Options <-mlongcall>): Mention inline PLT calls.
2432         (RS/6000 and PowerPC Options <-mpltseq>): Document.
2433         * config/rs6000/rs6000.h (TARGET_PLTSEQ): Define.
2434         * config/rs6000/sysv4.opt (mpltseq): New option.
2435         * config/rs6000/sysv4.h (TARGET_PLTSEQ): Redefine.
2436         (SUBTARGET_OVERRIDE_OPTIONS): Error if given -mpltseq when assembler
2437         support is lacking.  Don't allow -mpltseq with -mbss-plt.
2438         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Warn if
2439         -mpltseq given for ELFv1.
2440         * config/rs6000/rs6000.c (rs6000_call_aix): Comment on UNSPEC_PLTSEQ.
2441         Only use UNSPEC_PLTSEQ for inline PLT calls.
2442         (rs6000_call_sysv, rs6000_sibcall_sysv): Expand comments.  Only
2443         use UNSPEC_PLTSEQ for inline PLT calls.
2444         (rs6000_indirect_call_template_1, rs6000_longcall_ref),
2445         (rs6000_call_aix, rs6000_call_sysv, rs6000_sibcall_sysv): Replace
2446         uses of HAVE_AS_PLTSEQ with TARGET_PLTSEQ, simplifying.
2447         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
2448         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
2449         (pltseq_mtctr_<mode>): Likewise.
2450
2451 2019-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2452
2453         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Use 8-byte strings with
2454         Solaris ld.
2455         * configure: Regenerate.
2456
2457 2019-02-11  Jakub Jelinek  <jakub@redhat.com>
2458
2459         PR bootstrap/88714
2460         * config/arm/ldrdstrd.md (*arm_ldrd, *arm_strd): Use q constraint
2461         instead of r.
2462
2463 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
2464
2465         * function.c (assign_parm_setup_block): Use the stored
2466         size, not the passed size, when allocating stack-space,
2467         also for a parameter with alignment larger than
2468         MAX_SUPPORTED_STACK_ALIGNMENT.
2469
2470 2019-02-11  Martin Liska  <mliska@suse.cz>
2471
2472         PR ipa/89009
2473         * ipa-cp.c (build_toporder_info): Remove usage of a param.
2474         * ipa-inline.c (inline_small_functions): Likewise.
2475         * ipa-pure-const.c (propagate_pure_const): Likewise.
2476         (propagate_nothrow): Likewise.
2477         * ipa-reference.c (propagate): Likewise.
2478         * ipa-utils.c (struct searchc_env): Remove unused field.
2479         (searchc): Always search across AVAIL_INTERPOSABLE.
2480         (ipa_reduced_postorder): Always allow AVAIL_INTERPOSABLE as
2481         the only called IPA pure const can properly not propagate
2482         across interposable boundary.
2483         * ipa-utils.h (ipa_reduced_postorder): Remove param.
2484
2485 2019-02-11  Chung-Ju Wu  <jasonwucj@gmail.com>
2486
2487         * config/nds32/nds32.md (call_internal, call_value_internal,
2488         sibcall_internal, sibcall_value_internal): Use SImode for mem rtx.
2489
2490 2019-02-11  Hans-Peter Nilsson  <hp@axis.com>
2491
2492         * config/cris/cris.c (cris_preferred_minimum_alignment): Fix name
2493         typo.
2494
2495 2019-02-10  H.J. Lu  <hongjiu.lu@intel.com>
2496
2497         * config/i386/constraints.md (Yd): Replace AVX512BW with AVX512DQ
2498         in comments
2499
2500 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
2501
2502         * config.gcc (with_nds32_lib): Set default --with-nds32-lib correctly.
2503
2504 2019-02-10  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR tree-optimization/89268
2507         * tree-if-conv.c (version_loop_for_if_conversion): Push to preds only
2508         if preds is non-NULL.
2509
2510 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
2511
2512         PR lto/89272
2513         * tree.c (fld_simplified_type_name): Also keep TYPE_DECL for
2514         polymorphic types.
2515
2516 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
2517
2518         * config/nds32/nds32.md (trap): New pattern.
2519
2520 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
2521
2522         * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
2523         dwarf span.
2524
2525 2019-02-10  Chung-Ju Wu  <jasonwucj@gmail.com>
2526
2527         * config/nds32/nds32-md-auxiliary.c (nds32_spilt_doubleword): Support
2528         to split POST_INC.
2529
2530 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
2531
2532         * ipa-visibility.c (localize_node): Also do not localize
2533         LDPR_PREVAILING_DEF_IRONLY_EXP.
2534
2535 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
2536
2537         PR lto/87957
2538         * tree.c (fld_simplified_type_name): Use DECL_ASSEMBLER_NAME_SET_P
2539         instead of type_with_linkage.
2540
2541 2019-02-09  Jan Hubicka  <hubicka@ucw.cz>
2542
2543         PR ipa/88755
2544         * params.def (uninlined-function-insns, uninlined-function-time,
2545         uninlined-thunk-insns, uninlined-thunk-time): Add artificial upper
2546         bound so we don't get overflows.
2547
2548 2019-02-09  Aaron Sawdey  <acsawdey@linux.ibm.com>
2549
2550         * config/rs6000/rs6000-string.c (expand_compare_loop,
2551         expand_block_compare): Insert REG_BR_PROB notes in inline expansion of
2552         memcmp/strncmp.
2553
2554 2019-02-09  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR middle-end/89246
2557         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2558         If !node->definition and TYPE_ARG_TYPES is non-NULL, use
2559         TYPE_ARG_TYPES instead of DECL_ARGUMENTS.
2560
2561 2019-02-09  Alan Modra  <amodra@gmail.com>
2562
2563         PR target/88343
2564         * config/rs6000/rs6000.c (save_reg_p): Correct calls_eh_return
2565         case.  Match logic in rs6000_emit_prologue emitting pic_offset_table
2566         setup.
2567
2568 2019-02-08  Vladimir Makarov  <vmakarov@redhat.com>
2569
2570         PR middle-end/88560
2571         * lra-constraints.c (process_alt_operands): Don't increase reject
2572         for memory when offset memory is required.
2573
2574 2019-02-08  Robin Dapp  <rdapp@linux.ibm.com>
2575
2576         * config/s390/vector.md: Implement vector copysign.
2577
2578 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
2579
2580         * expr.c (expand_constructor): Correct indentations.
2581
2582 2019-02-08  Richard Biener  <rguenther@suse.de>
2583
2584         PR tree-optimization/89247
2585         * tree-if-conv.c: Include tree-cfgcleanup.h.
2586         (version_loop_for_if_conversion): Record LOOP_VECTORIZED call.
2587         (tree_if_conversion): Pass through predicate vector.
2588         (pass_if_conversion::execute): Do CFG cleanup and SSA update
2589         inline, see if any if-converted loops we refrece in
2590         LOOP_VECTORIZED calls vanished and fixup.
2591         * tree-if-conv.h (tree_if_conversion): Adjust prototype.
2592
2593 2019-02-08  Ilya Leoshkevich  <iii@linux.ibm.com>
2594
2595         * config/s390/constraints.md (jdd): New constraint.
2596
2597 2019-02-08  H.J. Lu  <hongjiu.lu@intel.com>
2598
2599         PR target/89229
2600         * config/i386/i386.md (*movoi_internal_avx): Set mode to XI for
2601         upper 16 vector registers without TARGET_AVX512VL.
2602         (*movti_internal): Likewise.
2603
2604 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
2605
2606         PR rtl-optimization/89234
2607         * except.c (copy_reg_eh_region_note_forward): Return if note_or_insn
2608         is a NOTE, CODE_LABEL etc. - rtx_insn * other than INSN_P.
2609         (copy_reg_eh_region_note_backward): Likewise.
2610
2611 2019-02-08  Richard Biener  <rguenther@suse.de>
2612
2613         PR middle-end/89223
2614         * tree-data-ref.c (initialize_matrix_A): Fail if constant
2615         doesn't fit in HWI.
2616         (analyze_subscript_affine_affine): Handle failure from
2617         initialize_matrix_A.
2618
2619 2019-02-08  Jakub Jelinek  <jakub@redhat.com>
2620
2621         * cfganal.c (pre_and_rev_post_order_compute_fn): Use fn instead of
2622         cfun everywhere.
2623
2624 2019-02-07  David Malcolm  <dmalcolm@redhat.com>
2625
2626         PR tree-optimization/86637
2627         PR tree-optimization/89235
2628         * tree-vect-loop.c (optimize_mask_stores): Add an
2629         auto_purge_vect_location sentinel to ensure that vect_location is
2630         purged on exit.
2631         * tree-vectorizer.c
2632         (auto_purge_vect_location::~auto_purge_vect_location): New dtor.
2633         (try_vectorize_loop_1): Add an auto_purge_vect_location sentinel
2634         to ensure that vect_location is purged on exit.
2635         (pass_slp_vectorize::execute): Likewise, replacing the manual
2636         reset.
2637         * tree-vectorizer.h (class auto_purge_vect_location): New class.
2638
2639 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2640
2641         * config/aarch64/iterators.md (max_opp): New code_attr.
2642         (USMAX): New code iterator.
2643         * config/aarch64/predicates.md (aarch64_smin): New predicate.
2644         (aarch64_smax): Likewise.
2645         * config/aarch64/aarch64-simd.md (abd<mode>_3): Rename to...
2646         (*aarch64_<su>abd<mode>_3): ... Change RTL representation to
2647         MINUS (MAX MIN).
2648
2649 2019-02-07  H.J. Lu  <hongjiu.lu@intel.com>
2650
2651         PR target/89229
2652         * config/i386/i386.md (*movoi_internal_avx): Set mode to OI
2653         for TARGET_AVX512VL.
2654         (*movti_internal): Set mode to TI for TARGET_AVX512VL.
2655
2656 2019-02-07  Andreas Krebbel  <krebbel@linux.ibm.com>
2657
2658         * config/s390/s390-builtin-types.def: Add new types.
2659         * config/s390/s390-builtins.def: (s390_vec_xl, s390_vec_xld2)
2660         (s390_vec_xlw4): Make the memory operand into a const pointer.
2661         (s390_vec_xld2, s390_vec_xlw4): Add a variant for single precision
2662         float.
2663         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Generate
2664         a new vector type with the alignment of the scalar memory operand.
2665
2666 2019-02-07  Matthew Malcomson  <matthew.malcomson@arm.com>
2667             Jakub Jelinek  <jakub@redhat.com>
2668
2669         PR bootstrap/88714
2670         * config/arm/arm-protos.h (valid_operands_ldrd_strd,
2671         arm_count_ldrdstrd_insns): New declarations.
2672         * config/arm/arm.c (mem_ok_for_ldrd_strd): Remove broken handling of
2673         MINUS.
2674         (valid_operands_ldrd_strd): New function.
2675         (arm_count_ldrdstrd_insns): New function.
2676         * config/arm/ldrdstrd.md: Change peepholes to generate PARALLEL SImode
2677         sets instead of single DImode set and define new insns to match this.
2678
2679 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
2680
2681         * config/aarch64/aarch64-builtins.c (aarch64_fcmla_lane_builtin_data):
2682         Make it a C initializer.
2683
2684 2019-02-07  Tamar Christina  <tamar.christina@arm.com>
2685
2686         PR/target 88850
2687         * config/arm/neon.md (*neon_mov<mode>): Add r -> r case.
2688
2689 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2690
2691         * config/arm/neon.md (neon_<sup>dot<vsi2qi>):
2692         Use neon_dot<q> for type.
2693         (neon_<sup>dot_lane<vsi2qi>): Likewise.
2694
2695 2019-02-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2696
2697         * config/aarch64/aarch64-simd.md (aarch64_<sur>dot<vsi2qi>):
2698         Use neon_dot<q> for type.
2699         (aarch64_<sur>dot_lane<vsi2qi>): Likewise.
2700         (aarch64_<sur>dot_laneq<vsi2qi>): Likewise.
2701
2702 2019-02-06  Vladimir Makarov  <vmakarov@redhat.com>
2703
2704         PR rtl-optimization/89225
2705         * lra-constaints.c (simplify_operand_subreg): Add subreg mode
2706         sizes check.
2707
2708 2019-02-06  Eric Botcazou  <ebotcazou@adacore.com>
2709
2710         * config/i386/i386.c (ix86_expand_prologue): Emit a memory blockage
2711         after restoring registers saved to allocate the frame on Windows.
2712
2713 2019-02-06  Richard Biener  <rguenther@suse.de>
2714
2715         PR tree-optimization/89182
2716         * graphite.h (cached_scalar_evolution_in_region): Declare.
2717         * graphite.c (struct seir_cache_key): New.
2718         (struct sese_scev_hash): Likewise.
2719         (seir_cache): New global.
2720         (cached_scalar_evolution_in_region): New function.
2721         (graphite_transform_loops): Allocate and release seir_cache.
2722         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Use
2723         cached_scalar_evolution_in_region.
2724         * graphite-scop-detection.c (scop_detection::can_represent_loop):
2725         Simplify.
2726         (scop_detection::graphite_can_represent_expr: Use
2727         cached_scalar_evolution_in_region.
2728         (scop_detection::stmt_simple_for_scop_p): Likewise.
2729         (find_params_in_bb): Likewise.
2730         (gather_bbs::before_dom_children): Likewise.
2731         * graphite-sese-to-poly.c (create_pw_aff_from_tree): Likewise.
2732         (add_loop_constraints): Likewise.
2733
2734 2019-02-06  Jakub Jelinek  <jakub@redhat.com>
2735
2736         PR middle-end/89210
2737         * fold-const-call.c (fold_const_vec_convert): Pass true as last
2738         operand to new_unary_operation only if both element types are integral
2739         and it isn't a widening conversion.  Return NULL_TREE if
2740         new_unary_operation failed.
2741
2742 2019-02-05  Andreas Krebbel  <krebbel@linux.ibm.com>
2743
2744         PR target/88856
2745         * config/s390/s390.md: Remove load and test FP splitter.
2746
2747 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
2748
2749         PR target/89112
2750         * config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
2751         expand_compare_loop, expand_block_compare_gpr,
2752         expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
2753         REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
2754         #include "profile-count.h" and "predict.h" for types and functions
2755         needed to work with REG_BR_PROB notes.
2756
2757 2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>
2758
2759         PR target/89112
2760         * config/rs6000/rs6000.md (<bd>tf_<mode>): Generate a local label
2761         for the long branch case.
2762
2763 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
2764
2765         PR target/89188
2766         * dce.c (delete_unmarked_insns): Don't remove no-op moves if they
2767         can throw, non-call exceptions are enabled and we can't delete
2768         dead exceptions or alter cfg.  Set must_clean if
2769         delete_insn_and_edges returns true, don't set it blindly for calls.
2770         Assert that delete_unreachable_blocks is called only if can_alter_cfg.
2771
2772         PR rtl-optimization/89195
2773         * combine.c (make_extraction): For MEMs, don't extract bytes outside
2774         of the original MEM.
2775
2776 2019-02-05  Martin Liska  <mliska@suse.cz>
2777
2778         PR gcov-profile/89000
2779         * gcov.c (function_summary): Remove argument.
2780         (file_summary): New function.
2781         (print_usage): Replace tabs with spaces.
2782         (generate_results): Use new function file_summary.
2783
2784 2019-02-05  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR target/89186
2787         * optabs.c (prepare_cmp_insn): Pass x and y to
2788         emit_block_comp_via_libcall rather than XEXP (x, 0) and XEXP (y, 0).
2789
2790 2019-02-05  Richard Biener  <rguenther@suse.de>
2791
2792         PR middle-end/89150
2793         * bitmap.h (struct bitmap_obstack): Do not mark GTY.
2794         (struct bitmap_element): Drop chain_prev so we properly recurse on
2795         the prev member, supporting tree views.
2796         (struct bitmap_head): GTY skip the obstack member.
2797
2798 2019-02-04  Alexander Monakov  <amonakov@ispras.ru>
2799
2800         PR c/88698
2801         * doc/extend.texi (Vector Extensions): Add an example of using vector
2802         types together with x86 intrinsics.
2803
2804 2019-02-04  Alan Modra  <amodra@gmail.com>
2805
2806         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1): Increase
2807         str[] size to 160, and comment.
2808
2809 2019-02-04  Alan Modra  <amodra@gmail.com>
2810
2811         * config/rs6000/rs6000.c (rs6000_indirect_call_template_1),
2812         (rs6000_pltseq_template): Guard output of TLS markers with
2813         TARGET_TLS_MARKERS.
2814         (rs6000_longcall_ref, rs6000_call_aix, rs6000_call_sysv),
2815         (rs6000_sibcall_sysv): Ignore TARGET_TLS_MARKERS when deciding
2816         to use inline PLT sequences.
2817         * config/rs6000/rs6000.md (pltseq_tocsave_<mode>),
2818         (pltseq_plt16_ha_<mode>, pltseq_plt16_lo_<mode>),
2819         (pltseq_mtctr_<mode>): Don't test TARGET_TLS_MARKERS in predicate.
2820
2821 2019-02-04  Martin Liska  <mliska@suse.cz>
2822
2823         PR ipa/88985
2824         * ipa-fnsummary.c (estimate_edge_devirt_benefit): Bail
2825         out when ipa_fn_summaries does not contain entry for callee.
2826
2827 2019-02-04  Eric Botcazou  <ebotcazou@adacore.com>
2828
2829         * config/sparc/sparc.h: Remove superfluous blank lines.
2830         * config/sparc/sparc.c (global_offset_table_rtx): Rename into...
2831         (got_register_rtx): ...this.
2832         (sparc_got): Adjust to above renaming.
2833         (sparc_tls_got): Likewise.
2834         (sparc_delegitimize_address): Likewise.
2835         (sparc_output_mi_thunk): Likewise.
2836         (sparc_init_pic_reg): Likewise.
2837         (save_local_or_in_reg_p): Fix test on the GOT register.
2838         (USE_HIDDEN_LINKONCE): Move around.
2839         (get_pc_thunk_name): Likewise.
2840         (gen_load_pcrel_sym): Likewise.
2841         (load_got_register): Likewise.
2842
2843 2019-02-04  Kito Cheng  <kito.cheng@gmail.com>
2844
2845         * config/nds32/linux.h (GLIBC_DYNAMIC_LINKER): Define the naming rule
2846         of the dynamic linker: "ld-linux-nds32[le|be][f].so.1".
2847
2848 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
2849
2850         * config/nds32/nds32.c (nds32_legitimate_address_p): Add TLS model
2851         into consideration.
2852
2853 2019-02-04  Chung-Ju Wu  <jasonwucj@gmail.com>
2854
2855         * config.gcc (with_nds32_lib, glibc):
2856         Remove TARGET_DEFAULT_TLSDESC_TRAMPOLINE=0 setting.
2857         * config/nds32/linux.h (TARGET_DEFAULT_TLSDESC_TRAMPOLINE): Delete.
2858         (NDS32_TLSDESC_TRAMPOLINE_SPEC): Delete.
2859
2860 2019-02-03  Uroš Bizjak  <ubizjak@gmail.com>
2861
2862         PR target/89071
2863         * config/i386/i386.md (*sqrt<mode>2_sse): Add (v,0) alternative.
2864         Do not prefer (v,v) alternative for non-AVX targets and (m,v)
2865         alternative for speed when TARGET_SSE_PARTIAL_REG_DEPENDENCY is set.
2866         (*rcpsf2_sse): Ditto.
2867         (*rsqrtsf2_sse): Ditto.
2868         (sse4_1_round<mode<2): Ditto.
2869
2870 2019-02-03  Richard Biener  <rguenther@suse.de>
2871
2872         PR debug/87295
2873         * dwarf2out.c (copy_ancestor_tree): Register non-stubs as
2874         orig.
2875
2876 2019-02-02  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR middle-end/87887
2879         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2880         Punt with warning on aggregate return or argument types.  Ignore
2881         type/mode checking for uniform arguments.
2882
2883 2019-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2884
2885         * combine.c (try_combine): Do not print "Can't combine" messages unless
2886         printing failed combination attempts.
2887
2888 2019-02-01  Martin Jambor  <mjambor@suse.cz>
2889
2890         PR hsa/87863
2891         * omp-grid.c (grid_mark_variable_segment): Set assembler name of group
2892         segment and global segment variables before making them static.
2893
2894 2019-02-01  Martin Jambor  <mjambor@suse.cz>
2895
2896         * omp-grid.c (grid_target_follows_gridifiable_pattern): Guard two
2897         missed optimization dump with dump_enabled_p.
2898
2899 2019-02-01  Richard Biener  <rguenther@suse.de>
2900
2901         PR middle-end/88597
2902         * tree-scalar-evolution.c (analyze_scalar_evolution): Set up
2903         the instantiate cache.
2904         (instantiate_scev_binary): Elide second operand procesing
2905         if equal to the first.
2906         * tree-chrec.c (chrec_contains_symbols): Add visited set.
2907         (chrec_contains_undetermined): Likewise.
2908         (tree_contains_chrecs): Likewise.
2909
2910 2019-02-01  Jan Hubicka  <hubicka@ucw.cz>
2911
2912         * parms.def (MAX_INLINE_INSNS_SINGLE): Reduce from 400 to 200.
2913
2914 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
2915
2916         PR tree-optimization/89143
2917         * wide-int-range.h (wide_int_range_absu): Declare.
2918         * wide-int-range.cc (wide_int_range_absu): New function.
2919         * tree-vrp.c (extract_range_from_unary_expr): Handle ABSU_EXPR.
2920
2921         PR tree-optimization/88107
2922         * tree-cfg.c (find_outermost_region_in_block): Add ALL argument,
2923         instead of assertion that eh_region_outermost is non-NULL, if it
2924         is NULL, set *ALL to true and return NULL.
2925         (move_sese_region_to_fn): Adjust caller, if all is set, call
2926         duplicate_eh_regions with NULL region.
2927
2928 2019-02-01  Richard Biener  <rguenth@suse.de>
2929
2930         PR rtl-optimization/88593
2931         * mode-switching.c (optimize_mode_switching): Free dominators before
2932         calling cleanup_cfg.
2933
2934 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
2935
2936         PR tree-optimization/88932
2937         * tree-predcom.c (try_combine_chains): Get loop bbs in dom order.
2938
2939 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
2940
2941         PR middle-end/89137
2942         * omp-low.c (lower_omp_task_reductions): Drop redundant test to avoid
2943         bogus clang warning.
2944
2945 2019-01-31  Uroš Bizjak  <ubizjak@gmail.com>
2946
2947         PR target/89071
2948         * config/i386/i386.md (*extendsfdf2): Split out reg->reg
2949         alternative to avoid partial SSE register stall for TARGET_AVX.
2950         (truncdfsf2): Ditto.
2951         (sse4_1_round<mode>2): Ditto.
2952
2953 2018-01-31  Bill Schmidt  <wschmidt@linux.ibm.com>
2954
2955         PR tree-optimization/89008
2956         * gimple-ssa-strength-reduction.c (slsr_process_mul): Don't
2957         process anything of the form X * 0.
2958
2959 2019-01-31  Richard Biener  <rguenther@suse.de>
2960
2961         PR tree-optimization/89135
2962         * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
2963         with abnormal preds.
2964
2965 2019-01-31  Jakub Jelinek  <jakub@redhat.com>
2966
2967         PR sanitizer/89124
2968         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Allow inlining
2969         always_inline callees into no_sanitize_address callers.
2970
2971 2019-01-31  Richard Biener  <rguenther@suse.de>
2972
2973         PR rtl-optimization/89115
2974         * lra.c (lra_rtx_hash): Properly hash CONST_INT values.
2975
2976 2019-01-30  Martin Sebor  <msebor@redhat.com>
2977
2978         PR other/89106
2979         * doc/extend.texi (cast to a union): Correct and expand.
2980
2981 2019-01-30  Vladimir Makarov  <vmakarov@redhat.com>
2982
2983         PR rtl-optimization/87246
2984         * lra-constraints.c (simplify_operand_subreg): Reload memory
2985         in subreg if the address became invalid.
2986
2987 2019-01-30  Bill Schmidt  <wschmidt@linux.ibm.com>
2988
2989         PR target/87064
2990         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v4sf_scalar):
2991         Disable for little-endian.
2992
2993 2019-01-30  Richard Biener  <rguenther@suse.de>
2994
2995         PR rtl-optimization/89115
2996         * opts.c (default_options_optimization): Reduce
2997         PARAM_MAX_DSE_ACTIVE_LOCAL_STORES by a factor of 10 at -O1.
2998         Make PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP reduction relative
2999         to the default.
3000
3001 2019-01-30  Kelvin Nilsen  <kelvin@gcc.gnu.org>
3002
3003         * config/rs6000/rs6000-c.c (altivec-resolve_overloaded_builtin):
3004         Change handling of ALTIVEC_BUILTIN_VEC_EXTRACT.  Coerce result to
3005         type of vector element when vec_extract is implemented by direct
3006         move.
3007
3008 2019-01-30  Thomas Schwinge  <thomas@codesourcery.com>
3009
3010         * doc/invoke.texi (C Language Options): List "-fopenacc-dim".
3011
3012 2019-01-30  Richard Biener  <rguenther@suse.de>
3013
3014         PR tree-optimization/89111
3015         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Restrict
3016         canonicalization to appropriately sized access types.
3017
3018 2019-01-30  Jakub Jelinek  <jakub@redhat.com>
3019
3020         PR c++/89105
3021         * config/i386/i386.c (ix86_warn_parameter_passing_abi): Don't warn
3022         for arguments to functions that are TU-local and shouldn't be
3023         referenced by assembly.
3024
3025 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
3026
3027         * dumpfile.c (opt_info_switch_p_1): Ignore '-' if it appears
3028         after '='.
3029
3030 2019-01-29  Martin Sebor  <msebor@redhat.com>
3031
3032         PR c/88956
3033         * gimple-fold.c (fold_array_ctor_reference): Avoid zero-length arrays.
3034
3035 2019-01-29  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR c++/66676
3038         PR ipa/89104
3039         * omp-simd-clone.c (simd_clone_clauses_extract)
3040         <case OMP_CLAUSE_ALIGNED>: Ignore clauses with NULL
3041         OMP_CLAUSE_ALIGNED_ALIGNMENT.
3042
3043 2019-01-29  Vineet Gupta  <vgupta@synopsys.com>
3044
3045         * config.gcc: Force .init_array for ARC.
3046
3047 2019-01-29  Richard Biener  <rguenther@suse.de>
3048
3049         PR debug/87295
3050         * dwarf2out.c (collect_skeleton_dies): New helper.
3051         (copy_decls_for_unworthy_types): Call it.
3052         (build_abbrev_table): Assert we do not try to replace
3053         DW_AT_signature refs with local refs.
3054
3055 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
3056
3057         PR middle-end/89002
3058         * gimplify.c (gimplify_omp_for): When adding OMP_CLAUSE_*_GIMPLE_SEQ
3059         for lastprivate/linear IV, push gimplify context around gimplify_assign
3060         and, if it needed any temporaries, pop it into a gimple bind around the
3061         sequence.
3062
3063 2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3064
3065         * common.opt (-Wattribute-alias): Remove "no-" from name.
3066         Make -Wattribute-alias command line option and
3067         #pragma GCC diagnostic ignored "-Wattribute-alias" work again.
3068
3069 2019-01-28  Jakub Jelinek  <jakub@redhat.com>
3070
3071         PR target/89073
3072         * doc/invoke.texi (-mclwb, -mprfchw, -mrdpid, -mrdseed, -msgx,
3073         -madx, -mhle, -mavx5124fmaps, -mavx512vnni, -mavx5124vnniw): Document
3074         x86 ISA options.
3075         (bmi2): Add missing @opindex.
3076         * doc/extend.texi (x86 target attribute): Move fma4, lwp, ssse3
3077         options alphabetically.  Add missing 3dnow, 3dnowa, adx, avx, avx2,
3078         avx5124fmaps, avx5124vnniw, avx512bitalg, avx512bw, avx512cd,
3079         avx512dq, avx512er, avx512f, avx512ifma, avx512pf, avx512vbmi,
3080         avx512vbmi2, avx512vl, avx512vnni, avx512vpopcntdq, bmi, bmi2,
3081         cldemote, clflushopt, clwb, clzero, crc32, cx16, f16c, fma, fsgsbase,
3082         fxsr, gfni, hle, lzcnt, movbe, movdir64b, movdiri, mwaitx, pconfig,
3083         pku, prefetchwt1, prfchw, ptwrite, rdpid, rdrnd, rdseed, rtm, sahf,
3084         sgx, sha, shstk, tbm, vaes, vpclmulqdq, waitpkg, wbnoinvd, xsave,
3085         xsavec, xsaveopt and xsaves options.
3086
3087 2019-01-28  Richard Biener  <rguenther@suse.de>
3088
3089         PR debug/89076
3090         * dwarf2out.c (gen_subprogram_die): Remove leftover from MPX
3091         support removal.
3092
3093 2019-01-28  Richard Biener  <rguenther@suse.de>
3094
3095         PR tree-optimization/88739
3096         * tree-cfg.c (verify_types_in_gimple_reference): Verify
3097         BIT_FIELD_REFs only are applied to mode-precision operands
3098         when they are integral.
3099         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR.
3100         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid generating
3101         BIT_FIELD_REFs of non-mode-precision integral operands.
3102
3103 2019-01-27  Jakub Jelinek  <jakub@redhat.com>
3104
3105         PR target/87214
3106         * config/i386/sse.md
3107         (<mask_codefor>avx512dq_shuf_<shuffletype>64x2_1<mask_name>,
3108         avx512f_shuf_<shuffletype>64x2_1<mask_name>): Ensure the
3109         first constants in pairs are multiples of 2.  Formatting fixes.
3110         (avx512vl_shuf_<shuffletype>32x4_1<mask_name>,
3111         avx512vl_shuf_<shuffletype>32x4_1<mask_name>): Ensure the
3112         first constants in each quadruple are multiples of 4.  Formatting fixes.
3113
3114 2019-01-26  Martin Jambor  <mjambor@suse.cz>
3115
3116         PR ipa/88933
3117         * tree-inline.c: Include tree-cfgcleanup.h.
3118         (delete_unreachable_blocks_update_callgraph): Move...
3119         * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
3120         ...here, make externally visible, make second argument bool, adjust
3121         all callers.
3122         * tree-cfgcleanup.c: Include cgraph.h.
3123         * tree-cfgcleanup.h (delete_unreachable_blocks_update_callgraph):
3124         Declare.
3125         * ipa-prop.c: Include tree-cfgcleanup.h.
3126         (ipcp_transform_function): Call
3127         delete_unreachable_blocks_update_callgraph instead of cleaning uo CFG.
3128
3129 2019-01-25  Vladimir Makarov  <vmakarov@redhat.com>
3130
3131         PR rtl-optimization/88846
3132         * ira.c (process_set_for_memref_referenced_p): New.
3133         (memref_referenced_p): Add new param.  Use
3134         process_set_for_memref_referenced_p.  Add new switch cases.
3135         (memref_used_between_p): Pass new arg to memref_referenced_p.
3136
3137 2019-01-25  Richard Earnshaw  <rearnsha@arm.com>
3138
3139         PR target/88469
3140         * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add new
3141         argument ABI_BREAK.  Set to true if the calculated alignment has
3142         changed in gcc-9.  Check bit-fields for their base type alignment.
3143         (aarch64_layout_arg): Warn if argument passing has changed in gcc-9.
3144         (aarch64_function_arg_boundary): Likewise.
3145         (aarch64_gimplify_va_arg_expr): Likewise.
3146
3147 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
3148
3149         PR middle-end/89037
3150         * varasm.c (output_constructor_bitfield): Use wi::extract_uhwi
3151         instead of accessing TREE_INT_CST_ELT directly.
3152
3153 2019-01-25  Christophe Lyon  <christophe.lyon@linaro.org>
3154
3155         * doc/sourcebuild.texi (Environment attributes): Add fenv and
3156         fenv_exceptions description.
3157
3158 2019-01-25  Wilco Dijkstra  <wdijkstr@arm.com>
3159
3160         PR rtl-optimization/87763
3161         * config/aarch64/aarch64.c (aarch64_select_cc_mode):
3162         Allow SUBREG when matching CC_NZmode compare.
3163
3164 2019-01-25  Richard Biener  <rguenther@suse.de>
3165
3166         PR tree-optimization/89049
3167         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
3168         Look at the pattern stmt to determine if the stmt is vectorized.
3169
3170 2019-01-25  Richard Sandiford  <richard.sandiford@arm.com>
3171
3172         * config/aarch64/aarch64-sve.md (*pred_mov<mode>)
3173         (pred_mov<mode>): Handle all-register forms using both a new
3174         alternative and a split.
3175
3176 2019-01-25  Richard Biener  <rguenther@suse.de>
3177
3178         PR tree-optimization/86865
3179         * graphite-scop-detection.c (scop_detection::can_represent_loop):
3180         Reject non-do-while loops.
3181
3182 2019-01-24  Peter Bergner  <bergner@linux.ibm.com>
3183
3184         * config/rs6000/altivec.md (build_vector_mask_for_load): Use MEM_P.
3185         * config/rs6000/constraints.md (Q constraint): Use REG_P.
3186         * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Use SYMBOL_REF_P.
3187         * config/rs6000/freebsd64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
3188         SYMBOL_REF_P, CONST_INT_P and CONST_DOUBLE_P.
3189         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3190         * config/rs6000/predicates.md (altivec_register_operand, vint_operand,
3191         vsx_register_operand, vsx_reg_sfsubreg_ok, vfloat_operand,
3192         vlogical_operand, gpc_reg_operand, int_reg_operand,
3193         int_reg_operand_not_pseudo): Use SUBREG_P and HARD_REGISTER_P.
3194         (ca_operand, base_reg_operand, htm_spr_reg_operand, cc_reg_operand,
3195         cc_reg_not_cr0_operand, input_operand): Use SUBREG_P.
3196         (save_world_operation, restore_world_operation, lmw_operation,
3197         stmw_operation): Use MEM_P and REG_P.
3198         (tie_operand): Use MEM_P.
3199         (vrsave_operation, crsave_operation): Use REG_P.
3200         (mfcr_operation, mtcrf_operation): Use REG_P and CONST_INT_P.
3201         (fpr_reg_operand): Use SUBREG_P and HARD_REGISTER_NUM_P.
3202         (quad_int_reg_operand): Use HARD_REGISTER_NUM_P.
3203         (call_operand): Use HARD_REGISTER_P.
3204         (indexed_or_indirect_operand, altivec_indexed_or_indirect_operand):
3205         Use CONST_INT_P.
3206         (lwa_operand): Use SUBREG_P, REG_P and CONST_INT_P.
3207         * config/rs6000/rs6000-p8swap.c (insn_is_load_p, insn_is_store_p,
3208         quad_aligned_load_p, replace_swapped_aligned_store,
3209         recombine_lvx_pattern, replace_swapped_aligned_load,
3210         recombine_stvx_pattern): Use MEM_P.
3211         (const_load_sequence_p, adjust_vperm, replace_swapped_load_constant):
3212         Use MEM_P and SYMBOL_REF_P.
3213         (rtx_is_swappable_p): Use REG_P and CONST_INT_P.
3214         (insn_is_swappable_p): Use REG_P and MEM_P.
3215         (insn_is_swap_p, (alignment_mask): Use CONST_INT_P.
3216         * config/rs6000/rs6000-string.c (expand_block_clear, expand_block_move):
3217         Use CONST_INT_P.
3218         * config/rs6000/rs6000.c (rs6000_secondary_reload, rs6000_emit_cmove):
3219         Use CONST_DOUBLE_P.
3220         (rs6000_output_move_128bit): Use CONST_DOUBLE_P, CONST_INT_P and
3221         CONST_WIDE_INT_P.
3222         (rs6000_legitimize_address): Use CONST_DOUBLE_P, CONST_INT_P,
3223         CONST_WIDE_INT_P, REG_P and SYMBOL_REF_P.
3224         (rs6000_emit_move): Use CONST_DOUBLE_P, CONST_INT_P, HARD_REGISTER_P,
3225         HARD_REGISTER_NUM_P, MEM_P, REG_P, SUBREG_P, SYMBOL_REF_P and
3226         reg_or_subregno:
3227         (output_toc): Use CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
3228         (easy_altivec_constant, rs6000_legitimate_offset_address_p,
3229         rs6000_mode_dependent_address, rs6000_expand_mtfsf_builtin,
3230         rs6000_expand_set_fpscr_rn_builtin, rs6000_expand_set_fpscr_drn_builtin,
3231         rs6000_expand_unop_builtin, INT_P, rs6000_generate_compare,
3232         rs6000_machopic_legitimize_pic_address, rs6000_split_logical_inner,
3233         rs6000_split_logical_di): Use CONST_INT_P.
3234         (rs6000_legitimize_reload_address): Use CONST_INT_P, HARD_REGISTER_P,
3235         REG_P and SYMBOL_REF_P.
3236         (setup_incoming_varargs, rs6000_rtx_costs): Use CONST_INT_P and MEM_P.
3237         (print_operand): Use CONST_INT_P, MEM_P and REG_P.
3238         (virtual_stack_registers_memory_p, rs6000_legitimate_address_p,
3239         mems_ok_for_quad_peep): Use CONST_INT_P and REG_P.
3240         (rs6000_secondary_reload_memory): Use CONST_INT_P and SUBREG_P.
3241         (small_data_operand, print_operand_address): Use CONST_INT_P and
3242         SYMBOL_REF_P.
3243         (split_stack_arg_pointer_used_p): Use HARD_REGISTER_P.
3244         (rs6000_init_hard_regno_mode_ok, direct_move_p):
3245         Use HARD_REGISTER_NUM_P.
3246         (rs6000_secondary_reload_gpr): Use HARD_REGISTER_NUM_P and MEM_P.
3247         (rs6000_secondary_reload_class): Use HARD_REGISTER_NUM_P, REG_P,
3248         SUBREG_P and SYMBOL_REF_P.
3249         (register_to_reg_type, rs6000_secondary_reload_inner): Use SUBREG_P
3250         and HARD_REGISTER_NUM_P.
3251         (rs6000_adjust_vec_address): Use HARD_REGISTER_NUM_P and
3252         reg_or_subregno.
3253         (rs6000_adjust_cost, find_mem_ref): Use MEM_P.
3254         (macho_lo_sum_memory_operand, rs6000_eliminate_indexed_memrefs): Use
3255         MEM_P and REG_P.
3256         (legitimate_indirect_address_p, legitimate_lo_sum_address_p,
3257         registers_ok_for_quad_peep, rs6000_output_function_epilogue,
3258         find_addr_reg): Use REG_P.
3259         (altivec_expand_vec_perm_const): Use REG_P and SUBREG_P.
3260         (rs6000_emit_le_vsx_move): Use SUBREG_P.
3261         (offsettable_ok_by_alignment, constant_pool_expr_p,
3262         legitimate_small_data_p, rs6000_output_dwarf_dtprel,
3263         rs6000_delegitimize_address, rs6000_const_not_ok_for_debug_p,
3264         rs6000_cannot_force_const_mem, rs6000_output_addr_const_extra,
3265         rs6000_assemble_integer, create_TOC_reference,
3266         rs6000_emit_allocate_stack, rs6000_xcoff_encode_section_info,
3267         rs6000_call_aix, rs6000_call_aix): Use SYMBOL_REF_P.
3268         (rs6000_split_vec_extract_var): Use reg_or_subregno.
3269         * config/rs6000/rtems.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use
3270         CONST_DOUBLE_P, CONST_INT_P and SYMBOL_REF_P.
3271         * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3272         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
3273         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Use SYMBOL_REF_P.
3274         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Use HARD_REGISTER_NUM_P.
3275         (INT_REG_OK_FOR_INDEX_P, INT_REG_OK_FOR_BASE_P): Use HARD_REGISTER_P.
3276         (CONSTANT_ADDRESS_P): Use CONST_INT_P and SYMBOL_REF_P.
3277         * config/rs6000/rs6000.md (define_expands strlensi, mod<mode>3
3278         and cbranch<mode>4): Use CONST_INT_P.
3279         (multiple define_splits): Use REG_P and SUBREG_P.
3280         (define_expands call, call_value): Use MEM_P.
3281         (define_expands sibcall, sibcall_value): Use CONST_INT_P and  MEM_P.
3282         (define insn *mtcrfsi): Use CONST_INT_P and REG_P.
3283         * config/rs6000/vsx.md (*vsx_le_perm_load_<mode>,
3284         *vsx_le_perm_load_v8hi, *vsx_le_perm_load_v16qi): Use HARD_REGISTER_P
3285         and HARD_REGISTER_NUM_P.
3286         (multiple define_splits): Use HARD_REGISTER_NUM_P.
3287
3288 2019-01-24  Uroš Bizjak  <ubizjak@gmail.com>
3289
3290         PR rtl-optimization/88948
3291         * rtl.h (prepare_copy_insn): New prototype.
3292         * gcse.c (prepare_copy_insn): New function, split out from
3293         process_insert_insn.
3294         (process_insert_insn): Use prepare_copy_insn.
3295         * store-motion.c (replace_store_insn): Use prepare_copy_insn
3296         instead of gen_move_insn.
3297
3298 2019-01-24  Jakub Jelinek  <jakub@redhat.com>
3299
3300         PR debug/89006
3301         * config/i386/i386.c (ix86_pic_register_p): Return true for
3302         UNSPEC_SET_GOT too.
3303
3304         PR tree-optimization/88964
3305         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
3306         punt if HONOR_SNANS (chrec).
3307
3308         PR middle-end/89015
3309         * tree-nested.c (convert_nonlocal_reference_stmt,
3310         convert_local_reference_stmt, convert_tramp_reference_stmt,
3311         convert_gimple_call) <case GIMPLE_OMP_TEAMS>: Treat
3312         gimple_omp_teams_host teams stmts like GIMPLE_OMP_PARALLEL
3313         or GIMPLE_OMP_TASK.
3314
3315         PR tree-optimization/89027
3316         * tree-inline.c (add_clobbers_to_eh_landing_pad): Don't add clobbers
3317         for "omp simd array" variables.
3318
3319 2019-01-24  Richard Earnshaw  <rearnsha@arm.com>
3320
3321         PR target/88469
3322         * profile-count.h (profile_count): On ARM systems using GCC 6/7/8
3323         force the alignment of m_val.
3324
3325 2019-01-24  Richard Biener  <rguenther@suse.de>
3326
3327         PR lto/87187
3328         * tree-streamer-out.c (write_ts_decl_common_tree_pointers):
3329         When in "legacy" debug mode make sure to reset self-origins.
3330
3331 2019-01-24  Martin Liska  <mliska@suse.cz>
3332
3333         PR gcov-profile/88994
3334         * gcov-io.c (mangle_path): Do not allocate a bigger buffer,
3335         result will be always smaller or equal to the original.
3336         * gcov.c (mangle_name): Fix else branch where we should
3337         also copy to PTR and shift the pointer.
3338
3339 2019-01-24  Xiong Hu Luo  <luoxhu@linux.vnet.ibm.com>
3340
3341         * tree-ssa-dom.c (test_for_singularity): Fix a comment typo.
3342         * vr-values.c (find_case_label_ranges): Fix a comment typo.
3343
3344 2019-01-23  Bin Cheng  <bin.cheng@arm.com>
3345             Steve Ellcey <sellcey@marvell.com>
3346
3347         PR target/85711
3348         * recog.c (address_operand): Return false on wrong mode for address.
3349         (constrain_operands): Check for mode with 'p' constraint.
3350
3351 2019-01-23  Uroš Bizjak  <ubizjak@gmail.com>
3352
3353         PR target/88998
3354         * config/i386/sse.md (sse2_cvtpi2pd): Add SSE alternatives.
3355         Disparage MMX alternative.
3356         (sse2_cvtpd2pi): Ditto.
3357         (sse2_cvttpd2pi): Ditto.
3358
3359 2019-01-23  David Malcolm  <dmalcolm@redhat.com>
3360
3361         PR driver/89014
3362         * config/aarch64/driver-aarch64.c (host_detect_local_cpu): Fix
3363         use-after-free of the result of
3364         aarch64_get_extension_string_for_isa_flags.
3365
3366 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3367
3368         PR c/44715
3369         * doc/extend.texi: Document break and continue behavior in
3370         statement expressions.
3371
3372 2019-01-23  Richard Biener  <rguenther@suse.de>
3373
3374         PR tree-optimization/89008
3375         * tree-ssa-reassoc.c (eliminate_using_constants): For * 0 do
3376         not leave another stray operand.
3377
3378 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3379
3380         * BASE-VER: Bump to 9.0.1.
3381
3382 2019-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3383
3384         * cgraphunit.c (cgraph_node::expand_thunk): When expanding a GIMPLE
3385         thunk that returns by reference, use the type of the return object
3386         of the thunk instead of that of the alias to build the dereference.
3387
3388 2019-01-23  Vineet Gupta  <vgupta@synopsys.com>
3389
3390         * config/arc/atomic.md: Add operand to DMB instruction.
3391
3392 2019-01-23  Jakub Jelinek  <jakub@redhat.com>
3393
3394         PR tree-optimization/88964
3395         * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Use
3396         build_zero_cst instead of build_int_cst.  Return false for loop
3397         invariants which honor signed zeros.
3398
3399 2019-01-22  Segher Boessenkool  <segher@kernel.crashing.org>
3400
3401         * doc/invoke.texi (-fsplit-paths): This is enabled by default at -O3.
3402
3403 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
3404
3405         PR target/88965
3406         * config/rs6000/rs6000.c: Include tree-vrp.h and tree-ssanames.h.
3407         (rs6000_gimple_fold_builtin): If MEM_REF address doesn't satisfy
3408         is_gimple_mem_ref_addr predicate, force it into a SSA_NAME first.
3409
3410         PR middle-end/88968
3411         * gimplify.c (gimplify_omp_atomic): Handle bitfield atomics with
3412         non-integral DECL_BIT_FIELD_REPRESENTATIVEs.
3413
3414         PR target/87064
3415         * config/rs6000/vsx.md (*vsx_reduc_<VEC_reduc_name>_v2df_scalar):
3416         Disable for little endian.
3417
3418 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
3419
3420         PR target/88469
3421         * config/arm/arm.c (arm_needs_double_word_align): Check
3422         DECL_BIT_FIELD_TYPE.
3423
3424 2019-01-22  Hongtao Liu  <hongtao.liu@intel.com>
3425             H.J. Lu  <hongjiu.lu@intel.com>
3426
3427         PR target/88909
3428         * config/i386/i386-builtin.def: Add mask2 to all builtin
3429         initializations.  Merge ARGS2 and SPECIAL_ARGS2 into ARGS and
3430         SPECIAL_ARGS.
3431         * config/i386/i386.c (BDESC): Add mask2 to the definition.
3432         (BDESC_FIRST): Likewise.
3433         (define_builtin): Add an argument for mask2.  Updated to handle
3434         both ix86_isa_flags and ix86_isa_flags2.
3435         (define_builtin_const): Likewise.
3436         (define_builtin_pure): Likewise.
3437         (define_builtin2): Deleted.
3438         (define_builtin_const2): Likewise.
3439         (builtin_description): Add a member, mask2.
3440         (bdesc_*): Add mask2 to builtin initializations.
3441         (ix86_init_mmx_sse_builtins): Update calls to def_builtin,
3442         def_builtin_const and def_builtin_pure.  Remove SPECIAL_ARGS2
3443         support.
3444         (ix86_get_builtin_func_type): Remove SPECIAL_ARGS2 support.
3445
3446 2019-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3447
3448         PR target/88954
3449         * config/i386/i386.c (ix86_force_load_from_GOT_p): Also check
3450         noplt attribute.
3451
3452 2019-01-22  Richard Earnshaw  <rearnsha@arm.com>
3453
3454         PR target/88469
3455         * config/arm/arm.c (arm_needs_doubleword_align): Return 2 if a record's
3456         alignment is dominated by a bitfield with 64-bit aligned base type.
3457         (arm_function_arg): Emit a warning if the alignment has changed since
3458         earlier GCC releases.
3459         (arm_function_arg_boundary): Likewise.
3460         (arm_setup_incoming_varargs): Likewise.
3461
3462 2019-01-22  Richard Biener  <rguenther@suse.de>
3463
3464         PR tree-optimization/88862
3465         * graphite-scop-detection.c
3466         (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.
3467
3468 2019-01-22  Andrew Stubbs  <ams@codesourcery.com>
3469
3470         * doc/extend.tex (AMD GCN Function Attributes): New section.
3471         * doc/install.texi (amdgcn-unknown-amdhsa): New instructions.
3472         * doc/invoke.texi (AMD GCN Options): New section.
3473         * doc/md.texi (Constraints for Particular Machines): Add AMD GCN.
3474
3475 2019-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3476
3477         * config/sparc/sparc.c (parc_delegitimize_address): Recognize the GOT
3478         register and decoded HIGH/LO_SUM combinations for labels in PIC mode.
3479
3480 2019-01-22  Jakub Jelinek  <jakub@redhat.com>
3481
3482         PR tree-optimization/88044
3483         * tree-ssa-loop-niter.c (number_of_iterations_cond): If condition
3484         is false in the first iteration, but !every_iteration, return false
3485         instead of true with niter->niter zero.
3486
3487         PR rtl-optimization/88904
3488         * cfgcleanup.c (thread_jump): Verify cond2 doesn't mention
3489         any nonequal registers before processing BB_END (b).
3490
3491         PR target/88905
3492         * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
3493         GET_MODE (op0).
3494         (expand_binop_directly, expand_doubleword_clz,
3495         expand_doubleword_popcount, expand_ctz, expand_ffs,
3496         expand_unop_direct, maybe_emit_unop_insn): Adjust callers.
3497
3498         PR rtl-optimization/49429
3499         PR target/49454
3500         PR rtl-optimization/86334
3501         PR target/88906
3502         * expr.c (emit_block_move_hints): Move marking of MEM_EXPRs
3503         addressable from here...
3504         (emit_block_op_via_libcall): ... to here.
3505
3506 2019-01-22  Richard Biener  <rguenther@suse.de>
3507
3508         * tree-vect-loop.c (vect_analyze_loop_operations): Use
3509         auto_vec for cost vector to fix memleak.
3510         (vectorize_fold_left_reduction): Properly gather SLP defs.
3511         (vectorizable_comparison): Do not swap operands to properly
3512         gather SLP defs.
3513
3514 2019-01-22  Alan Modra  <amodra@gmail.com>
3515
3516         PR target/88614
3517         * config/rs6000/predicates.md (unspec_tls): Ensure GOT reg
3518         stays a reg.  Allow a const_int.
3519         * config/rs6000/rs6000-protos.h (rs6000_output_tlsargs): Declare.
3520         * config/rs6000/rs6000.h (IS_V4_FP_ARGS): Define.
3521         (IS_NOMARK_TLSGETADDR): Define.
3522         * config/rs6000/rs6000.c (edit_tls_call_insn): Delete.
3523         (rs6000_output_tlsargs): New function.
3524         (rs6000_legitimize_tls_address): Don't say a !TARGET_TLS_MARKERS
3525         __tls_get_addr call takes an arg.
3526         (rs6000_call_sysv): Generate sysv4 secure plt call pattern here..
3527         * config/rs6000/rs6000.md (call_nonlocal_sysv): ..rather than here,
3528         delete split..
3529         (call_value_nonlocal_sysv): ..or here, delete split.
3530         (tls_gdld_nomark): Delete.
3531         (call_value_indirect_nonlocal_sysv): Use unspec_tls as operand2
3532         predicate.  Call rs6000_output_tlsargs.  Adjust length to suit.
3533         (call_value_nonlocal_sysv): Likewise.
3534         (call_value_nonlocal_sysv_secure): Likewise.
3535         (call_value_nonlocal_aix): Likewise.
3536         (call_value_indirect_aix): Likewise.
3537         (call_value_indirect_elfv2): Likewise.
3538         (call_value_local32, call_value_local64): Disable for no-mark tls.
3539         (call_value_local_aix): Likewise.
3540
3541 2019-01-21  Uroš Bizjak  <ubizjak@gmail.com>
3542
3543         PR target/88938
3544         * config/i386/i386.c (ix86_expand_builtin) [case IX86_BUILTIN_BEXTRI32,
3545         case IX86_BUILTIN_BEXTRI64]: Sanitize operands.
3546
3547 2019-01-21  Michael Ploujnikov  <michael.ploujnikov@oracle.com>
3548
3549         * hash-map-tests.c (test_map_of_strings_to_int): Show how to use
3550         string contents as hash_map keys.
3551
3552 2019-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3553
3554         PR c/88928
3555         * c-warn.c (check_alignment_of_packed_member): Add a boolean parameter
3556         for rvalue context.  Handle rvalues correctly.  Use min_align_of_type
3557         instead of TYPE_ALIGN.
3558         (check_address_or_pointer_of_packed_member): Handle rvalues coorrectly.
3559         Use min_align_of_type instead of TYPE_ALIGN_UNIT.  Check for NULL
3560         pointer from TYPE_STUB_DECL.
3561
3562 2019-01-21  Richard Biener  <rguenther@suse.de>
3563
3564         PR tree-optimization/88934
3565         * tree-vect-slp.c (vect_mask_constant_operand_p): Always look
3566         at the possibly non-constant operand.
3567         (vect_get_constant_vectors): Adjust.
3568
3569 2019-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3570
3571         PR target/71659
3572         * config/i386/adxintrin.h: Just check _IMMINTRIN_H_INCLUDED.
3573         * config/i386/clflushoptintrin.h: Check _IMMINTRIN_H_INCLUDED
3574         instead of _X86INTRIN_H_INCLUDED.
3575         * onfig/i386/clwbintrin.h: Likewise.
3576         * config/i386/pkuintrin.h: Likewise.
3577         * config/i386/prfchwintrin.h: Likewise.
3578         * config/i386/rdseedintrin.h: Likewise.
3579         * config/i386/wbnoinvdintrin.h: Likewise.
3580         * config/i386/xsavecintrin.h: Likewise.
3581         * config/i386/xsavesintrin.h: Likewise.
3582         * config/i386/fxsrintrin.h: Enable _IMMINTRIN_H_INCLUDED check.
3583         * config/i386/xsaveintrin.h: Likewise.
3584         * config/i386/xsaveoptintrin.h: Likewise.
3585         * config/i386/x86intrin.h: Move "#include" <rdseedintrin.h>,
3586         <prfchwintrin.h>, <fxsrintrin.h>, <xsaveintrin.h>,
3587         <xsaveoptintrin.h>, <adxintrin.h>, <clwbintrin.h>,
3588         <clflushoptintrin.h>, <xsavesintrin.h>, <xsavecintrin.h>,
3589         <wbnoinvdintrin.h> and <pkuintrin.h> to ...
3590         * config/i386/immintrin.h: Here.
3591
3592 2019-01-20  Martin Jambor  <mjambor@suse.cz>
3593
3594         PR ipa/87615
3595         * ipa-prop.h (struct ipa_func_body_info): Replaced field aa_walked
3596         with aa_walk_budget.
3597         * cgraph.h (ipa_polymorphic_call_context::get_dynamic_type): Add
3598         aa_walk_budget_p parameter.
3599         * ipa-fnsummary.c (unmodified_parm_1): New parameter fbi.  Limit AA
3600         walk.  Updated all callers.
3601         (unmodified_parm): New parameter fbi, pass it to unmodified_parm_1.
3602         (eliminated_by_inlining_prob): New parameter fbi, pass it on to
3603         unmodified_parm.
3604         (will_be_nonconstant_expr_predicate): New parameter fbi, removed
3605         parameter info.  Extract info from fbi.  Pass fbi to recursive calls
3606         and to unmodified_parm.
3607         (phi_result_unknown_predicate): New parameter fbi, removed parameter
3608         info, updated call to will_be_nonconstant_expr_predicate.
3609         (param_change_prob): New parameter fbi, limit AA walking.
3610         (analyze_function_body): Initialize aa_walk_budget in fbi.  Update
3611         calls to various above functions.
3612         * ipa-polymorphic-call.c (get_dynamic_type): Add aa_walk_budget_p
3613         parameter.  Use it to limit AA walking.
3614         * ipa-prop.c (detect_type_change_from_memory_writes): New parameter
3615         fbi, limit AA walk.
3616         (detect_type_change): New parameter fbi, pass it on to
3617         detect_type_change_from_memory_writes.
3618         (detect_type_change_ssa): Likewise.
3619         (aa_overwalked): Removed.
3620         (parm_preserved_before_stmt_p): Assume fbi is never NULL, stream line
3621         accordingly, adjust to the neew AA limiting scheme.
3622         (parm_ref_data_preserved_p): Likewise.
3623         (ipa_compute_jump_functions_for_edge): Adjust call to
3624         get_dynamic_type.
3625         (ipa_analyze_call_uses): Likewise.
3626         (ipa_analyze_virtual_call_uses): Pass fbi to detect_type_change_ssa.
3627         (ipa_analyze_node): Initialize aa_walk_budget.
3628         (ipcp_transform_function): Likewise.
3629         * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt): Update call
3630         to get_dynamic_type.
3631
3632 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
3633
3634         * config/aarch64/aarch64.c (aarch64_stack_protect_guard): Move
3635         outside of #if CHECKING_P code.
3636
3637 2019-01-19  Richard Sandiford  <richard.sandiford@arm.com>
3638
3639         * gimple-loop-versioning.cc (loop_versioning::dump_inner_likelihood):
3640         New function, split out from...
3641         (loop_versioning::analyze_stride): ...here.
3642         (loop_versioning::find_per_loop_multiplication): Use gassign.
3643         (loop_versioning::analyze_term_using_scevs): Return a success code.
3644         (loop_versioning::analyze_arbitrary_term): New function.
3645         (loop_versioning::analyze_address_fragment): Use
3646         analyze_arbitrary_term if all else fails.
3647
3648 2019-01-18  Segher Boessenkool  <segher@kernel.crashing.org>
3649
3650         PR target/88892
3651         * config/rs6000/rs6000.md (*movsi_from_df): Allow only register
3652         operands.
3653
3654 2019-01-18  Richard Biener  <rguenther@suse.de>
3655
3656         PR tree-optimization/88903
3657         * tree-vect-stmts.c (vectorizable_shift): Verify we see all
3658         scalar stmts a SLP shift amount is composed of when detecting
3659         shifts by scalars.
3660
3661 2019-01-18  Richard Earnshaw  <rearnsha@arm.com>
3662
3663         PR target/88799
3664         * config/arm/arm-cpus.in (mp): New feature.
3665         (sec): New feature.
3666         (fgroup ARMv7ve): Add mp and sec features.
3667         (arch armv7-a): Add options to allow mp and sec extensions.
3668         (cpu generic-armv7-a): Add options to allow mp and sec extensions.
3669         (cpu cortex-a5, cpu cortex-7, cpu cortex-a9): Add mp and sec
3670         extenstions to the base architecture.
3671         (cpu cortex-a8): Add sec extension to the base architecture.
3672         (cpu marvell-pj4): Add mp and sec extensions to the base architecture.
3673         * config/arm/t-aprofile (MULTILIB_MATCHES): Map all armv7-a arch
3674         variants down to the base v7-a varaint.
3675         * config/arm/t-multilib (v7_a_arch_variants): New variable.
3676         * doc/invoke.texi (ARM Options): Add +mp and +sec to the list
3677         of permitted extensions for -march=armv7-a and for
3678         -mcpu=generic-armv7-a.
3679
3680 2019-01-18  Martin Liska  <mliska@suse.cz>
3681
3682         * params.def: Fix comment.
3683         * tree-profile.c (gimple_init_gcov_profiler): Bump function
3684         name.
3685         (gimple_gen_ic_func_profiler): Likewise.
3686
3687 2019-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3688
3689         * config/aarch64/aarch64-opts.h (enum stack_protector_guard): New
3690         * config/aarch64/aarch64.c (aarch64_override_options_internal): Handle
3691         and put in error checks for stack protector guard options.
3692         (aarch64_stack_protect_guard): New.
3693         (TARGET_STACK_PROTECT_GUARD): Define.
3694         * config/aarch64/aarch64.md (UNSPEC_SSP_SYSREG): New.
3695         (reg_stack_protect_address<mode>): New.
3696         (stack_protect_set): Adjust for SSP_GLOBAL.
3697         (stack_protect_test): Likewise.
3698         * config/aarch64/aarch64.opt (-mstack-protector-guard-reg): New.
3699         (-mstack-protector-guard): Likewise.
3700         (-mstack-protector-guard-offset): Likewise.
3701
3702 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
3703
3704         PR tree-optimization/86214
3705         * tree-inline.h (struct copy_body_data): Add
3706         add_clobbers_to_eh_landing_pads member.
3707         * tree-inline.c (add_clobbers_to_eh_landing_pad): New function.
3708         (copy_edges_for_bb): Call it if EH edge destination is <
3709         id->add_clobbers_to_eh_landing_pads.  Fix a comment typo.
3710         (expand_call_inline): Set id->add_clobbers_to_eh_landing_pads
3711         if flag_stack_reuse != SR_NONE and clear it afterwards.
3712
3713 2019-01-18  Christophe Lyon  <christophe.lyon@linaro.org>
3714
3715         PR target/85596
3716         * doc/install.texi (with-multilib-list): Document for aarch64.
3717
3718 2019-01-18  Jakub Jelinek  <jakub@redhat.com>
3719
3720         PR target/88734
3721         * config/arm/arm_neon.h: Fix #pragma GCC target syntax - replace
3722         (("..."))) with ("...").
3723
3724 2019-01-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
3725
3726         * doc/extend.texi (Built-in Functions for Memory Model Aware
3727         Atomic Operations): Document atomic fetch and nand.
3728
3729 2019-01-18  Martin Liska  <mliska@suse.cz>
3730             Richard Biener  <rguenther@suse.de>
3731
3732         PR middle-end/88587
3733         * cgraph.h (create_version_clone_with_body): Add new argument
3734         with attributes.
3735         * cgraphclones.c (cgraph_node::create_version_clone): Add
3736         DECL_ATTRIBUTES to a newly created decl.  And call
3737         valid_attribute_p so that proper cl_target_optimization_node
3738         is set for the newly created declaration.
3739         * multiple_target.c (create_target_clone): Set DECL_ATTRIBUTES
3740         for declaration.
3741         (expand_target_clones): Do not call valid_attribute_p, it must
3742         be already done.
3743         * tree-inline.c (copy_decl_for_dup_finish): Reset mode for
3744         vector types.
3745
3746 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
3747
3748         PR target/88734
3749         * config/aarch64/arm_neon.h: Fix #pragma GCC target syntax - replace
3750         (("..."))) with ("...").  Use arch=armv8.2-a+sha3 instead of
3751         arch=armv8.2-a+crypto for vsha512hq_u64 etc. intrinsics.
3752
3753 2019-01-17  Martin Sebor  <msebor@redhat.com>
3754
3755         PR middle-end/88273
3756         * gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
3757         Handle anti-ranges the same as no range at all.
3758
3759 2018-01-17  Steve Ellcey  <sellcey@cavium.com>
3760
3761         * config/aarch64/aarch64.c (cgraph.h): New include.
3762         (intl.h): New include.
3763         (supported_simd_type): New function.
3764         (currently_supported_simd_type): Ditto.
3765         (aarch64_simd_clone_compute_vecsize_and_simdlen): Ditto.
3766         (aarch64_simd_clone_adjust): Ditto.
3767         (aarch64_simd_clone_usable): Ditto.
3768         (TARGET_SIMD_CLONE_COMPUTE_VECSIZE_AND_SIMDLEN): New macro.
3769         (TARGET_SIMD_CLONE_ADJUST): Ditto.
3770         (TARGET_SIMD_CLONE_USABLE): Ditto.
3771         * config/i386/i386.c (ix86_simd_clone_adjust): Add definition check.
3772         * omp-simd-clone.c (expand_simd_clones): Add targetm.simd_clone.adjust
3773         call.
3774
3775 2019-01-17  Martin Sebor  <msebor@redhat.com>
3776
3777         PR tree-optimization/88800
3778         * gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
3779         NO_WARNING bit here.  Avoid folding out-of-bounds calls.
3780         * gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
3781         redundant argument.  Add new argument and issue diagnostics under
3782         its control.  Detect out-of-bounds access even with warnings
3783         disabled.
3784         (check_bounds_or_overlap): Change return type.  Add argument.
3785         (wrestrict_dom_walker::check_call): Adjust.
3786         * gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
3787         * tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
3788         check_bounds_or_overlap's return value.
3789         (handle_builtin_stxncpy): Same.
3790         (handle_builtin_strcat): Same.
3791
3792 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
3793             Kwok Cheung Yeung  <kcy@codesourcery.com>
3794             Julian Brown  <julian@codesourcery.com>
3795             Tom de Vries  <tom@codesourcery.com>
3796
3797         * doc/sourcebuild.texi: Document dg-add-options sqrt_insn.
3798
3799 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
3800
3801         * doc/sourcebuild.texi: Document dg-require-effective-target
3802         llvm_binutils and offload_gcn.
3803
3804 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
3805             Kwok Cheung Yeung  <kcy@codesourcery.com>
3806             Julian Brown  <julian@codesourcery.com>
3807             Tom de Vries  <tom@codesourcery.com>
3808
3809         * doc/sourcebuild.texi: Document dg-required-effective-target
3810         exceptions.
3811
3812 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
3813             Kwok Cheung Yeung  <kcy@codesourcery.com>
3814             Julian Brown  <julian@codesourcery.com>
3815             Tom de Vries  <tom@codesourcery.com>
3816             Jan Hubicka  <hubicka@ucw.cz>
3817             Martin Jambor  <mjambor@suse.cz>
3818
3819         * config.gcc: Add amdgcn*-*-amdhsa configuration.
3820         * configure.ac: Check for dlopen.
3821         * configure: Regenerate.
3822
3823 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
3824             Kwok Cheung Yeung  <kcy@codesourcery.com>
3825             Julian Brown  <julian@codesourcery.com>
3826             Tom de Vries  <tom@codesourcery.com>
3827             Jan Hubicka  <hubicka@ucw.cz>
3828             Martin Jambor  <mjambor@suse.cz>
3829
3830         * common/config/gcn/gcn-common.c: New file.
3831         * config/gcn/driver-gcn.c: New file.
3832         * config/gcn/gcn-builtins.def: New file.
3833         * config/gcn/gcn-hsa.h: New file.
3834         * config/gcn/gcn-modes.def: New file.
3835         * config/gcn/gcn-opts.h: New file.
3836         * config/gcn/gcn-passes.def: New file.
3837         * config/gcn/gcn-protos.h: New file.
3838         * config/gcn/gcn-run.c: New file.
3839         * config/gcn/gcn-tree.c: New file.
3840         * config/gcn/gcn.c: New file.
3841         * config/gcn/gcn.h: New file.
3842         * config/gcn/gcn.opt: New file.
3843         * config/gcn/t-gcn-hsa: New file.
3844
3845 2019-01-17  Andrew Stubbs  <ams@codesourcery.com>
3846             Kwok Cheung Yeung  <kcy@codesourcery.com>
3847             Julian Brown  <julian@codesourcery.com>
3848             Tom de Vries  <tom@codesourcery.com>
3849             Jan Hubicka  <hubicka@ucw.cz>
3850             Martin Jambor  <mjambor@suse.cz>
3851
3852         * config/gcn/constraints.md: New file.
3853         * config/gcn/gcn-valu.md: New file.
3854         * config/gcn/gcn.md: New file.
3855         * config/gcn/predicates.md: New file.
3856
3857 2019-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3858
3859         * gimple-ssa-isolate-paths.c (stmt_uses_name_in_undefined_way): Replace
3860         flag_non_call_exceptions with cfun->can_throw_non_call_exceptions.
3861         (stmt_uses_0_or_null_in_undefined_way): Likewise.
3862         * tree-ssa-alias.c (same_addr_size_stores_p): Likewise.
3863
3864 2019-01-17  Tamar Christina  <tamar.christina@arm.com>
3865
3866         PR target/88851
3867         * config/aarch64/aarch64.md (STACK_CLASH_SVE_CFA_REGNUM): New.
3868         * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): Use
3869         it and document registers.
3870
3871 2019-01-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3872
3873         * config/aarch64/aarch64.c (ares_tunings): Define.
3874         * config/aarch64/aarch64-cores.def (ares): Use the above.
3875
3876 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
3877
3878         PR target/88794
3879         Revert:
3880         2018-11-06  Wei Xiao  <wei3.xiao@intel.com>
3881
3882         * config/i386/avx512fintrin.h: Update VFIXUPIMM* intrinsics.
3883         (_mm512_fixupimm_round_pd): Update parameters and builtin.
3884         (_mm512_maskz_fixupimm_round_pd): Ditto.
3885         (_mm512_fixupimm_round_ps): Ditto.
3886         (_mm512_maskz_fixupimm_round_ps): Ditto.
3887         (_mm_fixupimm_round_sd): Ditto.
3888         (_mm_maskz_fixupimm_round_sd): Ditto.
3889         (_mm_fixupimm_round_ss): Ditto.
3890         (_mm_maskz_fixupimm_round_ss): Ditto.
3891         (_mm512_fixupimm_pd): Ditto.
3892         (_mm512_maskz_fixupimm_pd): Ditto.
3893         (_mm512_fixupimm_ps): Ditto.
3894         (_mm512_maskz_fixupimm_ps): Ditto.
3895         (_mm_fixupimm_sd): Ditto.
3896         (_mm_maskz_fixupimm_sd): Ditto.
3897         (_mm_fixupimm_ss): Ditto.
3898         (_mm_maskz_fixupimm_ss): Ditto.
3899         (_mm512_mask_fixupimm_round_pd): Update builtin.
3900         (_mm512_mask_fixupimm_round_ps): Ditto.
3901         (_mm_mask_fixupimm_round_sd): Ditto.
3902         (_mm_mask_fixupimm_round_ss): Ditto.
3903         (_mm512_mask_fixupimm_pd): Ditto.
3904         (_mm512_mask_fixupimm_ps): Ditto.
3905         (_mm_mask_fixupimm_sd): Ditto.
3906         (_mm_mask_fixupimm_ss): Ditto.
3907         * config/i386/avx512vlintrin.h:
3908         (_mm256_fixupimm_pd): Update parameters and builtin.
3909         (_mm256_maskz_fixupimm_pd): Ditto.
3910         (_mm256_fixupimm_ps): Ditto.
3911         (_mm256_maskz_fixupimm_ps): Ditto.
3912         (_mm_fixupimm_pd): Ditto.
3913         (_mm_maskz_fixupimm_pd): Ditto.
3914         (_mm_fixupimm_ps): Ditto.
3915         (_mm_maskz_fixupimm_ps): Ditto.
3916         (_mm256_mask_fixupimm_pd): Update builtin.
3917         (_mm256_mask_fixupimm_ps): Ditto.
3918         (_mm_mask_fixupimm_pd): Ditto.
3919         (_mm_mask_fixupimm_ps): Ditto.
3920         * config/i386/i386-builtin-types.def: Add new types and remove useless ones.
3921         * config/i386/i386-builtin.def: Update builtin definitions.
3922         * config/i386/i386.c: Handle new builtin types and remove useless ones.
3923         * config/i386/sse.md: Update VFIXUPIMM* patterns.
3924         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
3925         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
3926         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Update.
3927         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
3928         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
3929         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Update.
3930         * config/i386/subst.md:
3931         (round_saeonly_sd_mask_operand4): Add new subst_attr.
3932         (round_saeonly_sd_mask_op4): Ditto.
3933         (round_saeonly_expand_operand5): Ditto.
3934         (round_saeonly_expand): Update.
3935
3936 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
3937
3938         PR target/88794
3939         Revert:
3940         2018-11-12  Wei Xiao  <wei3.xiao@intel.com>
3941
3942         * config/i386/sse.md: Combine VFIXUPIMM* patterns
3943         (<avx512>_fixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
3944         (<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
3945         (<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Remove.
3946         (avx512f_sfixupimm<mode>_maskz<round_saeonly_expand_name>): Update.
3947         (avx512f_sfixupimm<mode><sd_maskz_name><round_saeonly_name>): Update.
3948         (avx512f_sfixupimm<mode>_mask<round_saeonly_name>): Remove.
3949
3950 2019-01-17  Wei Xiao  <wei3.xiao@intel.com>
3951
3952         PR target/88794
3953         Revert:
3954         2018-12-15  Jakub Jelinek  <jakub@redhat.com>
3955
3956         PR target/88489
3957         * config/i386/sse.md (UNSPEC_SFIXUPIMM): New unspec enumerator.
3958         (avx512f_sfixupimm<mode><mask_name><round_saeonly_name>): Use it
3959         instead of UNSPEC_FIXUPIMM.
3960
3961 2019-01-17  Richard Biener  <rguenther@suse.de>
3962
3963         PR lto/86736
3964         * dwarf2out.c (want_pubnames): Never generate pubnames sections
3965         and friends for the LTO part of debug info.
3966
3967 2019-01-17  Jakub Jelinek  <jakub@redhat.com>
3968
3969         PR tree-optimization/86214
3970         * cfgexpand.c (add_stack_var_conflict): Don't add any conflicts
3971         if x == y.
3972
3973         PR rtl-optimization/88870
3974         * dce.c (deletable_insn_p): Never delete const/pure calls that can
3975         throw if we can't alter the cfg or delete dead exceptions.
3976         (mark_insn): Don't call find_call_stack_args for such calls.
3977
3978 2019-01-17  Kewen Lin  <linkw@gcc.gnu.org>
3979
3980         * doc/extend.texi: Add four new prototypes for vec_ld and seven new
3981         prototypes for vec_st.
3982         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add entries
3983         for scalar address type variants of altivec_vec_ld/altivec_vec_st,
3984         mainly on signed/unsigned long long and double.
3985
3986 2019-01-16  David Malcolm  <dmalcolm@redhat.com>
3987
3988         PR target/88861
3989         * combine.c (delete_noop_moves): Convert to "bool" return,
3990         returning true if any edges are eliminated.
3991         (combine_instructions): Also return true if delete_noop_moves
3992         returns true.
3993
3994 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
3995
3996         * config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Use
3997         correct max nunits for endian swap.
3998         (aarch64_expand_fcmla_builtin): Correct subreg code.
3999         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
4000         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>): Correct
4001         lane endianness.
4002
4003 2019-01-16  Uroš Bizjak  <ubizjak@gmail.com>
4004
4005         * config/alpha/alpha.c (alpha_gimplify_va_arg):
4006         Handle split indirect COMPLEX_TYPE arguments.
4007
4008 2019-01-16  Richard Earnshaw  <rearnsha@arm.com>
4009
4010         PR target/86891
4011         * config/aarch64/aarch64-modes.def: Add comment about how the carry
4012         bit is set by add and compare.
4013         (CC_ADC): New CC_MODE.
4014         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Use variables
4015         to cache the code and mode of X.  Adjust the shape of a CC_Cmode
4016         comparison.  Add detection for CC_ADCmode.
4017         (aarch64_get_condition_code_1): Update code support for CC_Cmode.  Add
4018         CC_ADCmode.
4019         * config/aarch64/aarch64.md (uaddv<mode>4): Use LTU with CCmode.
4020         (uaddvti4): Comparison result is in CC_ADCmode and the condition is GEU.
4021         (add<mode>3_compareC_cconly_imm): Delete.  Merge into...
4022         (add<mode>3_compareC_cconly): ... this.  Restructure the comparison
4023         to eliminate the need for zero-extending the operands.
4024         (add<mode>3_compareC_imm): Delete.  Merge into ...
4025         (add<mode>3_compareC): ... this.  Restructure the comparison to
4026         eliminate the need for zero-extending the operands.
4027         (add<mode>3_carryin): Use LTU for the overflow detection.
4028         (add<mode>3_carryinC): Use CC_ADCmode for the result of the carry out.
4029         Reexpress comparison for overflow.
4030         (add<mode>3_carryinC_zero): Update for change to add<mode>3_carryinC.
4031         (add<mode>3_carryinC): Likewise.
4032         (add<mode>3_carryinV): Use LTU for carry between partials.
4033         * config/aarch64/predicates.md (aarch64_carry_operation): Update
4034         handling of CC_Cmode and add CC_ADCmode.
4035         (aarch64_borrow_operation): Likewise.
4036
4037 2019-01-16  Tamar Christina  <tamar.christina@arm.com>
4038
4039         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): Remove patternmode.
4040         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): Likewise.
4041         * config/arm/neon.md (neon_vcmla_lane<rot><mode>, neon_vcmla_laneq<rot><mode>,
4042         neon_vcmlaq_lane<rot><mode>): Remove endianness conversion.
4043
4044 2019-01-16  Martin Liska  <mliska@suse.cz>
4045
4046         * Makefile.in: Set TOOL_INCLUDE_DIR and NATIVE_SYSTEM_HEADER_DIR
4047         for GCC driver.
4048         * config/gnu-user.h (TARGET_F951_OPTIONS): Add 'finclude%s/' as
4049         a new argument.
4050         * gcc.c (add_sysrooted_hdrs_prefix): New function.
4051         (path_prefix_reset): Move up in the source file.
4052         (find_fortran_preinclude_file): Make complex search for the
4053         fortran header files.
4054
4055 2019-01-15  Nikhil Benesch  <nikhil.benesch@gmail.com>
4056
4057         * godump.c (go_output_typedef): When outputting a typedef, refer
4058         to the underlying type by its name and not its structure.
4059
4060 2019-01-15  David Malcolm  <dmalcolm@redhat.com>
4061
4062         PR c++/88795
4063         * tree.c (build_function_type): Assert that arg_types is not
4064         error_mark_node.
4065
4066 2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>
4067
4068         PR inline-asm/52813
4069         * doc/extend.texi: Document that listing the stack pointer in the
4070         clobber list of an asm is a deprecated feature.
4071         * common.opt (Wdeprecated): Moved from c-family/c.opt.
4072         * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated
4073         warning instead of an error for clobbers of the stack pointer.
4074         Add a note explaining why.
4075
4076 2019-01-15  Richard Biener  <rguenther@suse.de>
4077
4078         PR debug/88046
4079         * dwarf2out.c (gen_member_die): Do not generate inheritance
4080         DIEs late.
4081
4082 2019-01-15  Richard Biener  <rguenther@suse.de>
4083
4084         PR tree-optimization/88855
4085         * tree-if-conv.c (combine_blocks): Collect
4086         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from propagated out virtuals.
4087
4088 2019-01-15  Tom de Vries  <tdevries@suse.de>
4089
4090         PR target/80547
4091         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Handle
4092         lhs == NULL_TREE for gang-level reduction.
4093
4094 2019-01-15  Richard Biener  <rguenther@suse.de>
4095             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
4096
4097         PR ipa/88788
4098         * ipa-pure-const.c (malloc_candidate_p_1): Add parameter visited and
4099         return true if SSA_NAME is already marked in visited bitmap.
4100         (malloc_candidate_p): Pass visited to malloc_candidate_p_1.
4101
4102 2019-01-15  Jakub Jelinek  <jakub@redhat.com>
4103
4104         PR tree-optimization/88775
4105         * match.pd (cmp (convert1?@2 addr@0) (convert2? addr@1)): Optimize
4106         equal == 0 equality pointer comparisons some more if compared in
4107         integral types and either one points to an automatic var and the
4108         other to a global, or we can prove at least one points to the middle
4109         or both point to start or both point to end.
4110
4111 2019-01-14  Andi Kleen  <ak@linux.intel.com>
4112
4113         * Makefile.in: Lower autofdo sampling rate by 10x.
4114         * Makefile.tpl: Dito.
4115
4116 2019-01-14  Tom Honermann  <tom@honermann.net>
4117
4118         * defaults.h: Define CHAR8_TYPE.
4119
4120 2019-01-14  Martin Sebor  <msebor@redhat.com>
4121
4122         PR target/88638
4123         * doc/extend.texi (Darwin Format Checks): Clarify.
4124
4125 2019-01-14  Richard Biener  <rguenther@suse.de>
4126
4127         * genmatch.c (dt_simplify::gen_1): Change dumping dependent on
4128         whether we are in (simplify ...) or (match ...) context.
4129
4130 2019-01-14  Jakub Jelinek  <jakub@redhat.com>
4131
4132         PR rtl-optimization/88796
4133         * emit-rtl.h (struct rtl_data): Add stack_protect_guard_decl field.
4134         * cfgexpand.c (stack_protect_prologue): Initialize
4135         crtl->stack_protect_guard_decl.
4136         * function.c (stack_protect_epilogue): Use it instead of calling
4137         targetm.stack_protect_guard again.
4138         * dse.c (check_mem_read_rtx): Ignore MEM_VOLATILE_P reads from
4139         MEMs with MEM_EXPR equal to crtl->stack_protect_guard or
4140         crtl->stack_protect_guard_decl.
4141         * config/i386/i386.c (ix86_stack_protect_guard): Set TREE_THIS_VOLATILE
4142         on the returned MEM_EXPR.
4143
4144 2019-01-12  Tom de Vries  <tdevries@suse.de>
4145
4146         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Alow setting
4147         vector length using -fopenacc-dim.
4148
4149 2019-01-12  Tom de Vries  <tdevries@suse.de>
4150
4151         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Take larger vector
4152         lengths into account.
4153
4154 2019-01-12  Svante Signell  <svante.signell@gmail.com>
4155
4156         * config/i386/gnu.h (TARGET_THREAD_SSP_OFFSET): Define.
4157         (TARGET_CAN_SPLIT_STACK): Define.
4158         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
4159
4160 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
4161
4162         * params.def (inline-unit-growth): Set to 40.
4163
4164 2019-01-12  Jakub Jelinek  <jakub@redhat.com>
4165
4166         * tree-ssa-loop-ivopts.c (find_inv_vars): Fix a comment typo.
4167
4168 2019-01-12  Tom de Vries  <tdevries@suse.de>
4169
4170         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): In offloading
4171         region calling vector-partitionable routine, set default_vector_length
4172         to WARP_SIZE.
4173
4174 2019-01-12  Tom de Vries  <tdevries@suse.de>
4175
4176         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add an use new
4177         variable default_vector_length.
4178
4179 2019-01-12  Tom de Vries  <tdevries@suse.de>
4180
4181         PR middle-end/88703
4182         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Apply defaults
4183         from oacc_default_dims, as oacc_validate_dims would do it, and apply
4184         dimensions limits.
4185
4186 2019-01-12  Tom de Vries  <tdevries@suse.de>
4187
4188         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1)
4189         (nvptx_goacc_validate_dims): Add used parameter.
4190         * doc/tm.texi: Regenerate.
4191         * omp-offload.c (oacc_parse_default_dims, oacc_validate_dims): Add
4192         argument to call to targetm.goacc.validate_dims.
4193         (default_goacc_validate_dims): Add used
4194         parameter.
4195         * target.def (validate_dims): Add used parameter in DEFHOOK.
4196         * targhooks.h (default_goacc_validate_dims): Add used parameter.
4197
4198 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4199
4200         PR middle-end/85956
4201         PR lto/88733
4202         * tree-inline.h (struct copy_body_data): Add adjust_array_error_bounds
4203         field.
4204         * tree-inline.c (remap_type_1): Formatting fix.  If TYPE_MAX_VALUE of
4205         ARRAY_TYPE's TYPE_DOMAIN is newly error_mark_node, replace it with
4206         a dummy "omp dummy var" variable if id->adjust_array_error_bounds.
4207         * omp-low.c (new_omp_context): Set cb.adjust_array_error_bounds.
4208
4209 2019-01-11  Vladimir Makarov  <vmakarov@redhat.com>
4210
4211         PR rtl-optimization/87305
4212         * lra-assigns.c
4213         (setup_live_pseudos_and_spill_after_risky_transforms): Add code
4214         for little endian pseudos used as paradoxical subreg.
4215
4216 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4217
4218         PR tree-optimization/88693
4219         * tree-ssa-strlen.c (get_min_string_length): Don't set *full_string_p
4220         for STRING_CSTs that don't contain any NUL characters in the first
4221         TREE_STRING_LENGTH bytes.
4222
4223 2019-01-11  Alan Modra  <amodra@gmail.com>
4224
4225         PR 88777
4226         PR 88614
4227         * genattrtab.c (min_fn): Don't translate values.
4228         (min_attr_value): Return INT_MAX when the value can't be calculated.
4229         Return minimum among any values that can be calculated.
4230         (max_attr_value): Adjust.
4231
4232 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4233
4234         * Makefile.in (PLUGIN_HEADERS): Add $(INSN_ATTR_H).
4235
4236 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
4237
4238         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
4239         (aarch64_hard_regno_call_part_clobbered): Add insn argument.
4240         (aarch64_return_call_with_max_clobbers): New function.
4241         (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New macro.
4242         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Add insn
4243         argument.
4244         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): Ditto.
4245         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Ditto.
4246         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered): Ditto.
4247         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Ditto.
4248         * cselib.c (cselib_process_insn): Add argument to
4249         targetm.hard_regno_call_part_clobbered call.
4250         * ira-conflicts.c (ira_build_conflicts): Ditto.
4251         * ira-costs.c (ira_tune_allocno_costs): Ditto.
4252         * lra-constraints.c (inherit_reload_reg): Ditto.
4253         * lra-int.h (struct lra_reg): Add call_insn field, remove call_p field.
4254         * lra-lives.c (check_pseudos_live_through_calls): Add call_insn
4255         argument.  Call targetm.return_call_with_max_clobbers.
4256         Add argument to targetm.hard_regno_call_part_clobbered call.
4257         (calls_have_same_clobbers_p): New function.
4258         (process_bb_lives): Add call_insn and last_call_insn variables.
4259         Pass call_insn to check_pseudos_live_through_calls.
4260         Modify if stmt to check targetm.return_call_with_max_clobbers.
4261         Update setting of flush variable.
4262         (lra_create_live_ranges_1): Set call_insn to NULL instead of call_p
4263         to false.
4264         * lra.c (initialize_lra_reg_info_element): Set call_insn to NULL.
4265         * regcprop.c (copyprop_hardreg_forward_1): Add argument to
4266         targetm.hard_regno_call_part_clobbered call.
4267         * reginfo.c (choose_hard_reg_mode): Ditto.
4268         * regrename.c (check_new_reg_p): Ditto.
4269         * reload.c (find_equiv_reg): Ditto.
4270         * reload1.c (emit_reload_insns): Ditto.
4271         * sched-deps.c (deps_analyze_insn): Ditto.
4272         * sel-sched.c (init_regs_for_mode): Ditto.
4273         (mark_unavailable_hard_regs): Ditto.
4274         * targhooks.c (default_dwarf_frame_reg_mode): Ditto.
4275         * target.def (hard_regno_call_part_clobbered): Add insn argument.
4276         (return_call_with_max_clobbers): New target function.
4277         * doc/tm.texi: Regenerate.
4278         * doc/tm.texi.in (TARGET_RETURN_CALL_WITH_MAX_CLOBBERS): New hook.
4279         * hooks.c (hook_bool_uint_mode_false): Change to
4280         hook_bool_insn_uint_mode_false.
4281         * hooks.h (hook_bool_uint_mode_false): Ditto.
4282
4283 2019-01-11  Steve Ellcey  <sellcey@marvell.com>
4284
4285         * config/aarch64/aarch64.c (aarch64_simd_call_p): New function.
4286         (aarch64_remove_extra_call_preserved_regs): New function.
4287         (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New macro.
4288         * doc/tm.texi.in (TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): New hook.
4289         * doc/tm.texi: Regenerate.
4290         * final.c (get_call_reg_set_usage): Call new hook.
4291         * target.def (remove_extra_call_preserved_regs): New hook.
4292         * targhooks.c (default_remove_extra_call_preserved_regs): New function.
4293         * targhooks.h (default_remove_extra_call_preserved_regs): New function.
4294
4295 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
4296
4297         PR bootstrap/88714
4298         * passes.c (finish_optimization_passes): Call print_combine_total_stats
4299         inside of pass_combine_1 dump rather than pass_profile_1.
4300
4301 2019-01-11  Tom de Vries  <tdevries@suse.de>
4302
4303         * config/nvptx/nvptx.c (PTX_CTA_NUM_BARRIERS, PTX_PER_CTA_BARRIER)
4304         (PTX_NUM_PER_CTA_BARRIER, PTX_FIRST_PER_WORKER_BARRIER)
4305         (PTX_NUM_PER_WORKER_BARRIERS): Define.
4306         (nvptx_apply_dim_limits): Prevent vector_length 64 and
4307         num_workers 16.
4308
4309 2019-01-11  Tom de Vries  <tdevries@suse.de>
4310
4311         * config/nvptx/nvptx.c (PTX_CTA_SIZE): Move up.
4312
4313 2019-01-11  Jan Beulich  <jbeulich@suse.com>
4314
4315         * config/i386/i386.md (rex64suffix): Add L suffix for SI.
4316         * config/i386/sse.md (cvtusi2<ssescalarmodesuffix>32<round_name>,
4317         sse2_cvtsi2sd): Add {l}.
4318         (sse2_cvtsi2sdq<round_name>): Make q conditional upon AT&T
4319         syntax.
4320
4321 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4322
4323         PR target/88785
4324         * config/i386/sse.md (float<floatunssuffix>v2div2sf2): Turn into
4325         define_expand.
4326         (*float<floatunssuffix>v2div2sf2): New define_insn.
4327         (float<floatunssuffix>v2div2sf2_mask): Turn into define_expand.
4328         (*float<floatunssuffix>v2div2sf2_mask): New define_insn.
4329         (*float<floatunssuffix>v2div2sf2_mask_1): Replace
4330         subrtxes (const_vector:V2SF [(const_int 0) (const_int 0)]) with
4331         match_operands with "const0_operand" "C".
4332
4333 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4334
4335         * config/aarch64/aarch64-builtins.c
4336         (aarch64_init_builtins): Move aarch64_init_fcmla_laneq_builtins...
4337         (aarch64_init_simd_builtins): ...Here
4338
4339 2019-01-10  Vladimir Makarov  <vmakarov@redhat.com>
4340
4341         PR rtl-optimization/87305
4342         * lra-assigns.c
4343         (setup_live_pseudos_and_spill_after_risky_transforms): Check
4344         allocation for big endian pseudos used as paradoxical subregs and
4345         spill them if it is wrong.
4346         * lra-constraints.c (lra_constraints): Add a comment.
4347
4348 2019-01-10  Richard Biener  <rguenther@suse.de>
4349
4350         PR tree-optimization/88792
4351         * tree-ssa-pre.c (get_representative_for): Do not return a
4352         value-number here.
4353
4354 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4355
4356         PR middle-end/84877
4357         PR bootstrap/88450
4358         * function.c (assign_stack_local_1): Revert the 2018-11-21 changes.
4359         (assign_parm_setup_block): Do the argument slot realignment here
4360         instead.
4361
4362 2019-01-10  Stefan Agner  <stefan@agner.ch>
4363
4364         PR target/88648
4365         * config/arm/arm.c (arm_option_override_internal): Force
4366         opts->x_inline_asm_unified to true only if TARGET_THUMB2_P.
4367
4368 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
4369
4370         PR c/88568
4371         * attribs.c (handle_dll_attribute): Clear TREE_STATIC after setting
4372         DECL_EXTERNAL.
4373
4374 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4375
4376         * config/arm/arm-builtins.c
4377         (enum arm_type_qualifiers): Add qualifier_lane_pair_index.
4378         (MAC_LANE_PAIR_QUALIFIERS): New.
4379         (arm_expand_builtin_args): Use it.
4380         (arm_expand_builtin_1): Likewise.
4381         * config/arm/arm-protos.h (neon_vcmla_lane_prepare_operands): New.
4382         * config/arm/arm.c (neon_vcmla_lane_prepare_operands): New.
4383         * config/arm/arm-c.c (arm_cpu_builtins): Add __ARM_FEATURE_COMPLEX.
4384         * config/arm/arm_neon.h:
4385         (vcadd_rot90_f16): New.
4386         (vcaddq_rot90_f16): New.
4387         (vcadd_rot270_f16): New.
4388         (vcaddq_rot270_f16): New.
4389         (vcmla_f16): New.
4390         (vcmlaq_f16): New.
4391         (vcmla_lane_f16): New.
4392         (vcmla_laneq_f16): New.
4393         (vcmlaq_lane_f16): New.
4394         (vcmlaq_laneq_f16): New.
4395         (vcmla_rot90_f16): New.
4396         (vcmlaq_rot90_f16): New.
4397         (vcmla_rot90_lane_f16): New.
4398         (vcmla_rot90_laneq_f16): New.
4399         (vcmlaq_rot90_lane_f16): New.
4400         (vcmlaq_rot90_laneq_f16): New.
4401         (vcmla_rot180_f16): New.
4402         (vcmlaq_rot180_f16): New.
4403         (vcmla_rot180_lane_f16): New.
4404         (vcmla_rot180_laneq_f16): New.
4405         (vcmlaq_rot180_lane_f16): New.
4406         (vcmlaq_rot180_laneq_f16): New.
4407         (vcmla_rot270_f16): New.
4408         (vcmlaq_rot270_f16): New.
4409         (vcmla_rot270_lane_f16): New.
4410         (vcmla_rot270_laneq_f16): New.
4411         (vcmlaq_rot270_lane_f16): New.
4412         (vcmlaq_rot270_laneq_f16): New.
4413         (vcadd_rot90_f32): New.
4414         (vcaddq_rot90_f32): New.
4415         (vcadd_rot270_f32): New.
4416         (vcaddq_rot270_f32): New.
4417         (vcmla_f32): New.
4418         (vcmlaq_f32): New.
4419         (vcmla_lane_f32): New.
4420         (vcmla_laneq_f32): New.
4421         (vcmlaq_lane_f32): New.
4422         (vcmlaq_laneq_f32): New.
4423         (vcmla_rot90_f32): New.
4424         (vcmlaq_rot90_f32): New.
4425         (vcmla_rot90_lane_f32): New.
4426         (vcmla_rot90_laneq_f32): New.
4427         (vcmlaq_rot90_lane_f32): New.
4428         (vcmlaq_rot90_laneq_f32): New.
4429         (vcmla_rot180_f32): New.
4430         (vcmlaq_rot180_f32): New.
4431         (vcmla_rot180_lane_f32): New.
4432         (vcmla_rot180_laneq_f32): New.
4433         (vcmlaq_rot180_lane_f32): New.
4434         (vcmlaq_rot180_laneq_f32): New.
4435         (vcmla_rot270_f32): New.
4436         (vcmlaq_rot270_f32): New.
4437         (vcmla_rot270_lane_f32): New.
4438         (vcmla_rot270_laneq_f32): New.
4439         (vcmlaq_rot270_lane_f32): New.
4440         (vcmlaq_rot270_laneq_f32): New.
4441         * config/arm/arm_neon_builtins.def (vcadd90, vcadd270, vcmla0, vcmla90,
4442         vcmla180, vcmla270, vcmla_lane0, vcmla_lane90, vcmla_lane180, vcmla_lane270,
4443         vcmla_laneq0, vcmla_laneq90, vcmla_laneq180, vcmla_laneq270,
4444         vcmlaq_lane0, vcmlaq_lane90, vcmlaq_lane180, vcmlaq_lane270): New.
4445         * config/arm/neon.md (neon_vcmla_lane<rot><mode>,
4446         neon_vcmla_laneq<rot><mode>, neon_vcmlaq_lane<rot><mode>): New.
4447         * config/arm/arm.c (arm_arch8_3, arm_arch8_4): New.
4448         * config/arm/arm.h (TARGET_COMPLEX, arm_arch8_3, arm_arch8_4): New.
4449         (arm_option_reconfigure_globals): Use them.
4450         * config/arm/iterators.md (VDF, VQ_HSF): New.
4451         (VCADD, VCMLA): New.
4452         (VF_constraint, rot, rotsplit1, rotsplit2): Add V4HF and V8HF.
4453         * config/arm/neon.md (neon_vcadd<rot><mode>, neon_vcmla<rot><mode>): New.
4454         * config/arm/unspecs.md (UNSPEC_VCADD90, UNSPEC_VCADD270,
4455         UNSPEC_VCMLA, UNSPEC_VCMLA90, UNSPEC_VCMLA180, UNSPEC_VCMLA270): New.
4456
4457 2019-01-10  Tamar Christina  <tamar.christina@arm.com>
4458
4459         * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers): Add qualifier_lane_pair_index.
4460         (emit-rtl.h): Include.
4461         (TYPES_QUADOP_LANE_PAIR): New.
4462         (aarch64_simd_expand_args): Use it.
4463         (aarch64_simd_expand_builtin): Likewise.
4464         (AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_laneq_builtin_datum): New.
4465         (FCMLA_LANEQ_BUILTIN, AARCH64_SIMD_FCMLA_LANEQ_BUILTIN_BASE,
4466         AARCH64_SIMD_FCMLA_LANEQ_BUILTINS, aarch64_fcmla_lane_builtin_data,
4467         aarch64_init_fcmla_laneq_builtins, aarch64_expand_fcmla_builtin): New.
4468         (aarch64_init_builtins): Add aarch64_init_fcmla_laneq_builtins.
4469         (aarch64_expand_buildin): Add AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V2SF,
4470         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V2SF,
4471         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ2700_V2SF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ0_V4HF,
4472         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ90_V4HF, AARCH64_SIMD_BUILTIN_FCMLA_LANEQ180_V4HF,
4473         AARCH64_SIMD_BUILTIN_FCMLA_LANEQ270_V4HF.
4474         * config/aarch64/iterators.md (FCMLA_maybe_lane): New.
4475         * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add __ARM_FEATURE_COMPLEX.
4476         * config/aarch64/aarch64-simd-builtins.def (fcadd90, fcadd270, fcmla0, fcmla90,
4477         fcmla180, fcmla270, fcmla_lane0, fcmla_lane90, fcmla_lane180, fcmla_lane270,
4478         fcmla_laneq0, fcmla_laneq90, fcmla_laneq180, fcmla_laneq270,
4479         fcmlaq_lane0, fcmlaq_lane90, fcmlaq_lane180, fcmlaq_lane270): New.
4480         * config/aarch64/aarch64-simd.md (aarch64_fcmla_lane<rot><mode>,
4481         aarch64_fcmla_laneq<rot>v4hf, aarch64_fcmlaq_lane<rot><mode>,aarch64_fcadd<rot><mode>,
4482         aarch64_fcmla<rot><mode>): New.
4483         * config/aarch64/arm_neon.h:
4484         (vcadd_rot90_f16): New.
4485         (vcaddq_rot90_f16): New.
4486         (vcadd_rot270_f16): New.
4487         (vcaddq_rot270_f16): New.
4488         (vcmla_f16): New.
4489         (vcmlaq_f16): New.
4490         (vcmla_lane_f16): New.
4491         (vcmla_laneq_f16): New.
4492         (vcmlaq_lane_f16): New.
4493         (vcmlaq_rot90_lane_f16): New.
4494         (vcmla_rot90_laneq_f16): New.
4495         (vcmla_rot90_lane_f16): New.
4496         (vcmlaq_rot90_f16): New.
4497         (vcmla_rot90_f16): New.
4498         (vcmlaq_laneq_f16): New.
4499         (vcmla_rot180_laneq_f16): New.
4500         (vcmla_rot180_lane_f16): New.
4501         (vcmlaq_rot180_f16): New.
4502         (vcmla_rot180_f16): New.
4503         (vcmlaq_rot90_laneq_f16): New.
4504         (vcmlaq_rot270_laneq_f16): New.
4505         (vcmlaq_rot270_lane_f16): New.
4506         (vcmla_rot270_laneq_f16): New.
4507         (vcmlaq_rot270_f16): New.
4508         (vcmla_rot270_f16): New.
4509         (vcmlaq_rot180_laneq_f16): New.
4510         (vcmlaq_rot180_lane_f16): New.
4511         (vcmla_rot270_lane_f16): New.
4512         (vcadd_rot90_f32): New.
4513         (vcaddq_rot90_f32): New.
4514         (vcaddq_rot90_f64): New.
4515         (vcadd_rot270_f32): New.
4516         (vcaddq_rot270_f32): New.
4517         (vcaddq_rot270_f64): New.
4518         (vcmla_f32): New.
4519         (vcmlaq_f32): New.
4520         (vcmlaq_f64): New.
4521         (vcmla_lane_f32): New.
4522         (vcmla_laneq_f32): New.
4523         (vcmlaq_lane_f32): New.
4524         (vcmlaq_laneq_f32): New.
4525         (vcmla_rot90_f32): New.
4526         (vcmlaq_rot90_f32): New.
4527         (vcmlaq_rot90_f64): New.
4528         (vcmla_rot90_lane_f32): New.
4529         (vcmla_rot90_laneq_f32): New.
4530         (vcmlaq_rot90_lane_f32): New.
4531         (vcmlaq_rot90_laneq_f32): New.
4532         (vcmla_rot180_f32): New.
4533         (vcmlaq_rot180_f32): New.
4534         (vcmlaq_rot180_f64): New.
4535         (vcmla_rot180_lane_f32): New.
4536         (vcmla_rot180_laneq_f32): New.
4537         (vcmlaq_rot180_lane_f32): New.
4538         (vcmlaq_rot180_laneq_f32): New.
4539         (vcmla_rot270_f32): New.
4540         (vcmlaq_rot270_f32): New.
4541         (vcmlaq_rot270_f64): New.
4542         (vcmla_rot270_lane_f32): New.
4543         (vcmla_rot270_laneq_f32): New.
4544         (vcmlaq_rot270_lane_f32): New.
4545         (vcmlaq_rot270_laneq_f32): New.
4546         * config/aarch64/aarch64.h (TARGET_COMPLEX): New.
4547         * config/aarch64/iterators.md (UNSPEC_FCADD90, UNSPEC_FCADD270,
4548         UNSPEC_FCMLA, UNSPEC_FCMLA90, UNSPEC_FCMLA180, UNSPEC_FCMLA270): New.
4549         (FCADD, FCMLA): New.
4550         (rot): New.
4551         * config/arm/types.md (neon_fcadd, neon_fcmla): New.
4552
4553 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
4554
4555         PR other/16615
4556
4557         * config/pa/pa.c: Change "can not" to "cannot".
4558         * gimple-ssa-evrp-analyze.c: Likewise.
4559         * ipa-icf.c: Likewise.
4560         * ipa-polymorphic-call.c: Likewise.
4561         * ipa-pure-const.c: Likewise.
4562         * lra-constraints.c: Likewise.
4563         * lra-remat.c: Likewise.
4564         * reload1.c: Likewise.
4565         * reorg.c: Likewise.
4566         * tree-ssa-uninit.c: Likewise.
4567
4568 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
4569
4570         PR other/16615
4571
4572         * Makefile.in: Mechanically replace "can not" with "cannot".
4573         * alias.c: Likewise.
4574         * builtins.c: Likewise.
4575         * calls.c: Likewise.
4576         * cgraph.c: Likewise.
4577         * cgraph.h: Likewise.
4578         * cgraphclones.c: Likewise.
4579         * cgraphunit.c: Likewise.
4580         * combine-stack-adj.c: Likewise.
4581         * combine.c: Likewise.
4582         * common/config/i386/i386-common.c: Likewise.
4583         * config/aarch64/aarch64.c: Likewise.
4584         * config/alpha/sync.md: Likewise.
4585         * config/arc/arc.c: Likewise.
4586         * config/arc/predicates.md: Likewise.
4587         * config/arm/arm-c.c: Likewise.
4588         * config/arm/arm.c: Likewise.
4589         * config/arm/arm.h: Likewise.
4590         * config/arm/arm.md: Likewise.
4591         * config/arm/cortex-r4f.md: Likewise.
4592         * config/csky/csky.c: Likewise.
4593         * config/csky/csky.h: Likewise.
4594         * config/darwin-f.c: Likewise.
4595         * config/epiphany/epiphany.md: Likewise.
4596         * config/i386/i386.c: Likewise.
4597         * config/i386/sol2.h: Likewise.
4598         * config/m68k/m68k.c: Likewise.
4599         * config/mcore/mcore.h: Likewise.
4600         * config/microblaze/microblaze.md: Likewise.
4601         * config/mips/20kc.md: Likewise.
4602         * config/mips/sb1.md: Likewise.
4603         * config/nds32/nds32.c: Likewise.
4604         * config/nds32/predicates.md: Likewise.
4605         * config/pa/pa.c: Likewise.
4606         * config/rs6000/e300c2c3.md: Likewise.
4607         * config/rs6000/rs6000.c: Likewise.
4608         * config/s390/s390.h: Likewise.
4609         * config/sh/sh.c: Likewise.
4610         * config/sh/sh.md: Likewise.
4611         * config/spu/vmx2spu.h: Likewise.
4612         * cprop.c: Likewise.
4613         * dbxout.c: Likewise.
4614         * df-scan.c: Likewise.
4615         * doc/cfg.texi: Likewise.
4616         * doc/extend.texi: Likewise.
4617         * doc/fragments.texi: Likewise.
4618         * doc/gty.texi: Likewise.
4619         * doc/invoke.texi: Likewise.
4620         * doc/lto.texi: Likewise.
4621         * doc/md.texi: Likewise.
4622         * doc/objc.texi: Likewise.
4623         * doc/rtl.texi: Likewise.
4624         * doc/tm.texi: Likewise.
4625         * dse.c: Likewise.
4626         * emit-rtl.c: Likewise.
4627         * emit-rtl.h: Likewise.
4628         * except.c: Likewise.
4629         * expmed.c: Likewise.
4630         * expr.c: Likewise.
4631         * fold-const.c: Likewise.
4632         * genautomata.c: Likewise.
4633         * gimple-fold.c: Likewise.
4634         * hard-reg-set.h: Likewise.
4635         * ifcvt.c: Likewise.
4636         * ipa-comdats.c: Likewise.
4637         * ipa-cp.c: Likewise.
4638         * ipa-devirt.c: Likewise.
4639         * ipa-fnsummary.c: Likewise.
4640         * ipa-icf.c: Likewise.
4641         * ipa-inline-transform.c: Likewise.
4642         * ipa-inline.c: Likewise.
4643         * ipa-polymorphic-call.c: Likewise.
4644         * ipa-profile.c: Likewise.
4645         * ipa-prop.c: Likewise.
4646         * ipa-pure-const.c: Likewise.
4647         * ipa-reference.c: Likewise.
4648         * ipa-split.c: Likewise.
4649         * ipa-visibility.c: Likewise.
4650         * ipa.c: Likewise.
4651         * ira-build.c: Likewise.
4652         * ira-color.c: Likewise.
4653         * ira-conflicts.c: Likewise.
4654         * ira-costs.c: Likewise.
4655         * ira-int.h: Likewise.
4656         * ira-lives.c: Likewise.
4657         * ira.c: Likewise.
4658         * ira.h: Likewise.
4659         * loop-invariant.c: Likewise.
4660         * loop-unroll.c: Likewise.
4661         * lower-subreg.c: Likewise.
4662         * lra-assigns.c: Likewise.
4663         * lra-constraints.c: Likewise.
4664         * lra-eliminations.c: Likewise.
4665         * lra-lives.c: Likewise.
4666         * lra-remat.c: Likewise.
4667         * lra-spills.c: Likewise.
4668         * lra.c: Likewise.
4669         * lto-cgraph.c: Likewise.
4670         * lto-streamer-out.c: Likewise.
4671         * postreload-gcse.c: Likewise.
4672         * predict.c: Likewise.
4673         * profile-count.h: Likewise.
4674         * profile.c: Likewise.
4675         * recog.c: Likewise.
4676         * ree.c: Likewise.
4677         * reload.c: Likewise.
4678         * reload1.c: Likewise.
4679         * reorg.c: Likewise.
4680         * resource.c: Likewise.
4681         * rtl.def: Likewise.
4682         * rtl.h: Likewise.
4683         * rtlanal.c: Likewise.
4684         * sched-deps.c: Likewise.
4685         * sched-ebb.c: Likewise.
4686         * sched-rgn.c: Likewise.
4687         * sel-sched-ir.c: Likewise.
4688         * sel-sched.c: Likewise.
4689         * shrink-wrap.c: Likewise.
4690         * simplify-rtx.c: Likewise.
4691         * symtab.c: Likewise.
4692         * target.def: Likewise.
4693         * toplev.c: Likewise.
4694         * tree-call-cdce.c: Likewise.
4695         * tree-cfg.c: Likewise.
4696         * tree-complex.c: Likewise.
4697         * tree-core.h: Likewise.
4698         * tree-eh.c: Likewise.
4699         * tree-inline.c: Likewise.
4700         * tree-loop-distribution.c: Likewise.
4701         * tree-nrv.c: Likewise.
4702         * tree-profile.c: Likewise.
4703         * tree-sra.c: Likewise.
4704         * tree-ssa-alias.c: Likewise.
4705         * tree-ssa-dce.c: Likewise.
4706         * tree-ssa-dom.c: Likewise.
4707         * tree-ssa-forwprop.c: Likewise.
4708         * tree-ssa-loop-im.c: Likewise.
4709         * tree-ssa-loop-ivcanon.c: Likewise.
4710         * tree-ssa-loop-ivopts.c: Likewise.
4711         * tree-ssa-loop-niter.c: Likewise.
4712         * tree-ssa-phionlycprop.c: Likewise.
4713         * tree-ssa-phiopt.c: Likewise.
4714         * tree-ssa-propagate.c: Likewise.
4715         * tree-ssa-threadedge.c: Likewise.
4716         * tree-ssa-threadupdate.c: Likewise.
4717         * tree-ssa-uninit.c: Likewise.
4718         * tree-ssanames.c: Likewise.
4719         * tree-streamer-out.c: Likewise.
4720         * tree.c: Likewise.
4721         * tree.h: Likewise.
4722         * vr-values.c: Likewise.
4723
4724 2019-01-09  Uroš Bizjak  <ubizjak@gmail.com>
4725
4726         * config/i386/i386-protos.h (ix86_expand_xorsign): New prototype.
4727         (ix86_split_xorsign): Ditto.
4728         * config/i386/i386.c (ix86_expand_xorsign): New function.
4729         (ix86_split_xorsign): Ditto.
4730         * config/i386/i386.md (UNSPEC_XORSIGN): New unspec.
4731         (xorsign<mode>3): New expander.
4732         (xorsign<mode>3_1): New insn_and_split pattern.
4733         * config/i386/sse.md (xorsign<mode>3): New expander.
4734
4735 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
4736
4737         * config/sparc/sparc.md (*tablejump_sp32): Merge into...
4738         (*tablejump_sp64): Likewise.
4739         (*tablejump<P:mode>): ...this.
4740         (*call_address_sp32): Merge into...
4741         (*call_address_sp64): Likewise.
4742         (*call_address<P:mode>): ...this.
4743         (*call_symbolic_sp32): Merge into...
4744         (*call_symbolic_sp64): Likewise.
4745         (*call_symbolic<P:mode>): ...this.
4746         (call_value): Remove constraint and add predicate.
4747         (*call_value_address_sp32): Merge into...
4748         (*call_value_address_sp64): Likewise.
4749         (*call_value_address<P:mode>): ...this.
4750         (*call_value_symbolic_sp32): Merge into...
4751         (*call_value_symbolic_sp64): Likewise.
4752         (*call_value_symbolic<P:mode>): ...this.
4753         (*sibcall_symbolic_sp32): Merge into...
4754         (*sibcall_symbolic_sp64): Likewise.
4755         (*sibcall_symbolic<P:mode>): ...this.
4756         (sibcall_value): Remove constraint and add predicate.
4757         (*sibcall_value_symbolic_sp32): Merge into...
4758         (*sibcall_value_symbolic_sp64): Likewise.
4759         (*sibcall_value_symbolic<P:mode>): ...this.
4760         (window_save): Minor tweak.
4761         (*branch_sp32): Merge into...
4762         (*branch_sp64): Likewise.
4763         (*branch<P:mode>): ...this.
4764
4765 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
4766             James Clarke  <jrtc27@jrtc27.com>
4767
4768         PR target/84010
4769         * config/sparc/sparc.c (sparc_legitimize_tls_address): Only use Pmode
4770         consistently in TLS address generation and adjust code to the renaming
4771         of patterns.  Mark calls to __tls_get_addr as const.
4772         * config/sparc/sparc.md (tgd_hi22): Turn into...
4773         (tgd_hi22<P:mode>): ...this and use Pmode throughout.
4774         (tgd_lo10): Turn into...
4775         (tgd_lo10<P:mode>): ...this and use Pmode throughout.
4776         (tgd_add32): Merge into...
4777         (tgd_add64): Likewise.
4778         (tgd_add<P:mode>): ...this and use Pmode throughout.
4779         (tldm_hi22): Turn into...
4780         (tldm_hi22<P:mode>): ...this and use Pmode throughout.
4781         (tldm_lo10): Turn into...
4782         (tldm_lo10<P:mode>): ...this and use Pmode throughout.
4783         (tldm_add32): Merge into...
4784         (tldm_add64): Likewise.
4785         (tldm_add<P:mode>): ...this and use Pmode throughout.
4786         (tldm_call32): Merge into...
4787         (tldm_call64): Likewise.
4788         (tldm_call<P:mode>): ...this and use Pmode throughout.
4789         (tldo_hix22): Turn into...
4790         (tldo_hix22<P:mode>): ...this and use Pmode throughout.
4791         (tldo_lox10): Turn into...
4792         (tldo_lox10<P:mode>): ...this and use Pmode throughout.
4793         (tldo_add32): Merge into...
4794         (tldo_add64): Likewise.
4795         (tldo_add<P:mode>): ...this and use Pmode throughout.
4796         (tie_hi22): Turn into...
4797         (tie_hi22<P:mode>): ...this and use Pmode throughout.
4798         (tie_lo10): Turn into...
4799         (tie_lo10<P:mode>): ...this and use Pmode throughout.
4800         (tie_ld64): Use DImode throughout.
4801         (tie_add32): Merge into...
4802         (tie_add64): Likewise.
4803         (tie_add<P:mode>): ...this and use Pmode throughout.
4804         (tle_hix22_sp32): Merge into...
4805         (tle_hix22_sp64): Likewise.
4806         (tle_hix22<P:mode>): ...this and use Pmode throughout.
4807         (tle_lox22_sp32): Merge into...
4808         (tle_lox22_sp64): Likewise.
4809         (tle_lox22<P:mode>): ...this and use Pmode throughout.
4810         (*tldo_ldub_sp32): Merge into...
4811         (*tldo_ldub_sp64): Likewise.
4812         (*tldo_ldub<P:mode>): ...this and use Pmode throughout.
4813         (*tldo_ldub1_sp32): Merge into...
4814         (*tldo_ldub1_sp64): Likewise.
4815         (*tldo_ldub1<P:mode>): ...this and use Pmode throughout.
4816         (*tldo_ldub2_sp32): Merge into...
4817         (*tldo_ldub2_sp64): Likewise.
4818         (*tldo_ldub2<P:mode>): ...this and use Pmode throughout.
4819         (*tldo_ldsb1_sp32): Merge into...
4820         (*tldo_ldsb1_sp64): Likewise.
4821         (*tldo_ldsb1<P:mode>): ...this and use Pmode throughout.
4822         (*tldo_ldsb2_sp32): Merge into...
4823         (*tldo_ldsb2_sp64): Likewise.
4824         (*tldo_ldsb2<P:mode>): ...this and use Pmode throughout.
4825         (*tldo_ldub3_sp64): Use DImode throughout.
4826         (*tldo_ldsb3_sp64): Likewise.
4827         (*tldo_lduh_sp32): Merge into...
4828         (*tldo_lduh_sp64): Likewise.
4829         (*tldo_lduh<P:mode>): ...this and use Pmode throughout.
4830         (*tldo_lduh1_sp32): Merge into...
4831         (*tldo_lduh1_sp64): Likewise.
4832         (*tldo_lduh1<P:mode>): ...this and use Pmode throughout.
4833         (*tldo_ldsh1_sp32): Merge into...
4834         (*tldo_ldsh1_sp64): Likewise.
4835         (*tldo_ldsh1<P:mode>): ...this and use Pmode throughout.
4836         (*tldo_lduh2_sp64): Use DImode throughout.
4837         (*tldo_ldsh2_sp64): Likewise.
4838         (*tldo_lduw_sp32): Merge into...
4839         (*tldo_lduw_sp64): Likewise.
4840         (*tldo_lduw<P:mode>): ...this and use Pmode throughout.
4841         (*tldo_lduw1_sp64): Use DImode throughout.
4842         (*tldo_ldsw1_sp64): Likewise.
4843         (*tldo_ldx_sp64): Likewise.
4844         (*tldo_stb_sp32): Merge into...
4845         (*tldo_stb_sp64): Likewise.
4846         (*tldo_stb<P:mode>): ...this and use Pmode throughout.
4847         (*tldo_sth_sp32): Merge into...
4848         (*tldo_sth_sp64): Likewise.
4849         (*tldo_sth<P:mode>): ...this and use Pmode throughout.
4850         (*tldo_stw_sp32): Merge into...
4851         (*tldo_stw_sp64): Likewise.
4852         (*tldo_stw<P:mode>): ...this and use Pmode throughout.
4853         (*tldo_stx_sp64): Use DImode throughout.
4854
4855 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
4856
4857         * config/aarch64/aarch64.c (aarch64_override_options): Add case to
4858         check configure option to set BTI and Return Address Signing.
4859         * configure.ac: Add --enable-standard-branch-protection and
4860         --disable-standard-branch-protection.
4861         * configure: Regenerated.
4862         * doc/install.texi: Document the same.
4863
4864 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
4865             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4866
4867         * config.gcc (aarch64*-*-*): Add aarch64-bti-insert.o.
4868         * config/aarch64/aarch64.h: Update comment for TRAMPOLINE_SIZE.
4869         * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Update
4870         if bti is enabled.
4871         * config/aarch64/aarch64-bti-insert.c: New file.
4872         * config/aarch64/aarch64-passes.def (INSERT_PASS_BEFORE): Insert bti
4873         pass.
4874         * config/aarch64/aarch64-protos.h (make_pass_insert_bti): Declare the
4875         new bti pass.
4876         * config/aarch64/aarch64.md (unspecv): Add UNSPECV_BTI_NOARG,
4877         UNSPECV_BTI_C, UNSPECV_BTI_J and UNSPECV_BTI_JC.
4878         (bti_noarg, bti_j, bti_c, bti_jc): New define_insns.
4879         * config/aarch64/t-aarch64: Add rule for aarch64-bti-insert.o.
4880
4881 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
4882
4883         * config/aarch64/aarch64-protos.h (aarch64_bti_enabled): Declare.
4884         * config/aarch64/aarch64.c (aarch64_handle_no_branch_protection):
4885         Disable bti for -mbranch-protection=none.
4886         (aarch64_handle_standard_branch_protection): Enable bti for
4887         -mbranch-protection=standard.
4888         (aarch64_handle_bti_protection): Enable bti for "bti" in the string to
4889         -mbranch-protection.
4890         (aarch64_bti_enabled): Check if bti is enabled.
4891         * config/aarch64/aarch64.opt: Declare target variable.
4892         * doc/invoke.texi: Add bti to the -mbranch-protection documentation.
4893
4894 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
4895
4896         * config/aarch64/aarch64.c (aarch64_expand_prologue): Use new
4897         epilogue/prologue scratch registers EP0_REGNUM and EP1_REGNUM.
4898         (aarch64_expand_epilogue): Likewise.
4899         (aarch64_output_mi_thunk): Likewise
4900         * config/aarch64/aarch64.h (REG_CLASS_CONTENTS): Change
4901         TAILCALL_ADDR_REGS to x16 and x17.
4902         * config/aarch64/aarch64.md: Define EP0_REGNUM and EP1_REGNUM.
4903
4904 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
4905
4906         * config/aarch64/aarch64-option-extensions.def: Define
4907         AARCH64_OPT_EXTENSION for memtag, rng, sb, ssbs and predres.
4908         * config/aarch64/aarch64.h (AARCH64_FL_RNG): New.
4909         (AARCH64_FL_MEMTAG, ARCH64_FL_SB, AARCH64_FL_SSBS): New.
4910         (AARCH64_FL_PREDRES): New.
4911         (AARCH64_FL_FOR_ARCH8_5): Add AARCH64_FL_SB, AARCH64_FL_SSBS and
4912         AARCH64_FL_PREDRES by default.
4913         * doc/invoke.texi: Document rng, memtag, sb, ssbs and predres.
4914
4915 2018-01-09  Sudakshina Das  <sudi.das@arm.com>
4916
4917         * config/aarch64/aarch64-arches.def: Define AARCH64_ARCH for
4918         ARMv8.5-A.
4919         * config/aarch64/aarch64.h (AARCH64_FL_V8_5): New.
4920         (AARCH64_FL_FOR_ARCH8_5, AARCH64_ISA_V8_5): New.
4921         * doc/invoke.texi: Document ARMv8.5-A.
4922
4923 2019-01-09  Alejandro Martinez  <alejandro.martinezvicente@arm.com>
4924
4925         * config/aarch64/aarch64-sve.md (copysign<mode>3): New define_expand.
4926         (xorsign<mode>3): Likewise.
4927
4928 2019-01-09  Jelinek  <jakub@redhat.com>
4929
4930         PR middle-end/88758
4931         * tree.c (initializer_each_zero_or_onep) <case VECTOR_CST>: Use
4932         vector_cst_elt instead of VECTOR_CST_ENCODED_ELT.
4933
4934         PR rtl-optimization/88331
4935         * function.c (assign_stack_local_1): Don't set dynamic_align_addr if
4936         not currently_expanding_to_rtl.
4937
4938 2019-01-09  Eric Botcazou  <ebotcazou@adacore.com>
4939
4940         * doc/invoke.texi (-Os): Remove trailing spaces.
4941         (-finline-functions): Remove reference to -O2.
4942
4943 2019-01-08  Jakub Jelinek  <jakub@redhat.com>
4944
4945         PR rtl-optimization/79593
4946         * config/i386/i386.md (reg = mem; mem = reg): New define_peephole2.
4947
4948         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Delegitimize
4949         UNSPEC_FUSION_GPR to its argument.  Formatting fixes.
4950
4951 2019-01-08  Eric Botcazou  <ebotcazou@adacore.com>
4952
4953         PR bootstrap/88721
4954         * config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
4955         to -1 on entry.
4956
4957         PR debug/88723
4958         * config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
4959         UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
4960
4961 2019-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4962
4963         PR target/88717
4964         * config/i386/i386.c (ix86_avx_u128_mode_exit): Call
4965         ix86_avx_u128_mode_entry.
4966
4967 2019-01-08  Martin Liska  <mliska@suse.cz>
4968
4969         PR tree-optimization/88753
4970         * tree-switch-conversion.c (switch_conversion::build_one_array):
4971         Come up with local variable constructor.  Convert first to
4972         type of constructor values.
4973
4974 2019-01-08  Richard Biener  <rguenther@suse.de>
4975
4976         PR tree-optimization/86554
4977         * tree-ssa-sccvn.c (eliminate_dom_walker, rpo_elim,
4978         rpo_avail): Move earlier.
4979         (visit_nary_op): When value-numbering to expressions
4980         with different overflow behavior make sure there's an
4981         available expression on the path.
4982
4983 2019-01-08  Sam Tebbs  <sam.tebbs@arm.com>
4984
4985         * config/aarch64/aarch64.c (BRANCH_PROTECT_STR_MAX,
4986         aarch64_parse_branch_protection,
4987         struct aarch64_branch_protect_type,
4988         aarch64_handle_no_branch_protection,
4989         aarch64_handle_standard_branch_protection,
4990         aarch64_validate_mbranch_protection,
4991         aarch64_handle_pac_ret_protection,
4992         aarch64_handle_attr_branch_protection,
4993         accepted_branch_protection_string,
4994         aarch64_pac_ret_subtypes,
4995         aarch64_branch_protect_types,
4996         aarch64_handle_pac_ret_leaf): Define.
4997         (aarch64_override_options_after_change_1, aarch64_override_options):
4998         Add check for accepted_branch_protection_string.
4999         (aarch64_option_save): Save accepted_branch_protection_string.
5000         (aarch64_option_restore): Save accepted_branch_protection_string.
5001         * config/aarch64/aarch64.c (aarch64_attributes): Add branch-protection.
5002         * config/aarch64/aarch64.opt: Add mbranch-protection. Deprecate
5003         msign-return-address.
5004         * doc/invoke.texi: Add mbranch-protection.
5005
5006 2019-01-08  Alan Modra  <amodra@gmail.com>
5007
5008         PR target/88614
5009         * genattrtab.c (max_attr_value, min_attr_value, or_attr_value):
5010         Delete "unknownp" parameter.  Adjust callers.  Handle
5011         CONST_INT, PLUS, MINUS, and MULT.
5012         (attr_value_aligned): Renamed from or_attr_value.
5013         (min_attr_value): Return INT_MIN for unhandled rtl case..
5014         (min_fn): ..and translate to INT_MAX here.
5015         (write_length_unit_log): Modify to cope without "unknown".
5016         (write_attr_value): Handle IF_THEN_ELSE.
5017
5018 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5019
5020         * tree-vect-stmts.c (vectorizable_store): Don't use the dataref_offset
5021         optimization for masked stores.
5022
5023 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5024
5025         PR middle-end/88567
5026         * tree-vect-loop.c (get_initial_defs_for_reduction): Pass the
5027         output vector directly to duplicate_and_interleave instead of
5028         going through a temporary.  Postpone insertion of ctor_seq to
5029         the end of the loop.
5030
5031 2019-01-07  Richard Earnshaw  <rearnsha@arm.com>
5032
5033         PR target/86891
5034         * config/aarch64/aarch64.c (aarch64_expand_subvti): New parameter
5035         unsigned_p.  Handle signed and unsigned overflow correction as
5036         required.
5037         * config/aarch64/aarch64-protos.h (aarch64_expand_subvti): Update
5038         prototype.
5039         * config/aarch64/aarch64.md (addv<mode>4): Use aarch64_plus_operand
5040         for operand 2.
5041         (add<mode>3_compareV_imm): Make this callable for expanding.
5042         (subv<GPI:mode>4): Use register_operand for operand 1.  Use
5043         aarch64_plus_operand for operand 2.
5044         (subv<GPI:mode>_insn): New insn pattern.
5045         (subv<GPI:mode>_imm): Likewise.
5046         (negv<GPI:mode>3): New expand pattern.
5047         (negv<GPI:mode>_insn): New insn pattern.
5048         (negv<GPI:mode>_cmp_only): Likewise.
5049         (cmpv<GPI:mode>_insn): Likewise.
5050         (subvti4): Use register_operand for operand 1.  Update call to
5051         aarch64_expand_subvti.
5052         (usubvti4): Likewise.
5053         (negvti3): New expand pattern.
5054         (negdi_carryout): New insn pattern.
5055         (negvdi_carryinV): New insn pattern.
5056         (sub<mode3>_compare1_imm): Delete named insn pattern, make anonymous
5057         version the named version.
5058         (peepholes to convert to sub<mode3>_compare1_imm): Adjust order of
5059         operands.
5060         (usub<GPI:mode>3_carryinC, usub<GPI:mode>3_carryinC_z1): New insn
5061         patterns.
5062         (usub<GPI:mode>3_carryinC_z2, usub<GPI:mode>3_carryinC): New insn
5063         patterns.
5064         (sub<mode>3_carryinCV, sub<mode>3_carryinCV_z1_z2): Delete.
5065         (sub<mode>3_carryinCV_z1, sub<mode>3_carryinCV_z2): Delete.
5066         (sub<mode>3_carryinCV): Delete.
5067         (sub<GPI:mode>3_carryinV): New expand pattern.
5068         sub<mode>3_carryinV, sub<mode>3_carryinV_z2): New insn patterns.
5069
5070 2019-01-07  Richard Biener  <rguenther@suse.de>
5071
5072         * tree-ssa-uncprop.c (ssa_equip_hash_traits): Remove in favor
5073         of tree_operand_hash.
5074
5075 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5076
5077         PR tree-optimization/88598
5078         * tree.h (single_nonzero_element): Declare.
5079         * tree.c (single_nonzero_element): New function.
5080         * match.pd: Fold certain reductions of X & CST to X[I] & CST[I]
5081         if I is the only nonzero element of CST.
5082
5083 2019-01-07  Richard Sandiford  <richard.sandiford@arm.com>
5084
5085         PR tree-optimization/88598
5086         * tree.h (initializer_each_zero_or_onep): Declare.
5087         * tree.c (initializer_each_zero_or_onep): New function.
5088         (signed_or_unsigned_type_for): Handle float types too.
5089         (unsigned_type_for, signed_type_for): Update comments accordingly.
5090         * match.pd: Fold x * { 0 or 1, 0 or 1, ...} to
5091         x & { 0 or -1, 0 or -1, ... }.
5092
5093 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
5094
5095         * doc/install.texi: Replace references to x86_64-unknown-linux-gnu
5096         with x86_64-pc-linux-gnu.
5097
5098 2019-01-07  Tom de Vries  <tdevries@suse.de>
5099
5100         PR target/85486
5101         * config/nvptx/nvptx.c (has_vector_partitionable_routine_calls_p): New
5102         function.
5103         (nvptx_goacc_validate_dims): Force vl32 if calling vector-partitionable
5104         routines.
5105
5106 2019-01-07  Jakub Jelinek  <jakub@redhat.com>
5107
5108         * config/i386/sse.md (vec_extract<mode><ssehalfvecmodelower>): Use
5109         V_256_512 iterator instead of V_512 and TARGET_AVX instead of
5110         TARGET_AVX512F as condition.
5111
5112         PR debug/88723
5113         * dwarf2out.c (const_ok_for_output_1): Remove redundant call to
5114         const_not_ok_for_debug_p target hook.
5115         (mem_loc_descriptor) <case UNSPEC>: Only call const_ok_for_output_1
5116         on UNSPEC and subexpressions thereof if all subexpressions of the
5117         UNSPEC are CONSTANT_P.
5118
5119         PR tree-optimization/88676
5120         * tree-ssa-phiopt.c (two_value_replacement): New function.
5121         (tree_ssa_phiopt_worker): Call it.
5122
5123         PR sanitizer/88619
5124         * cfgexpand.c (expand_stack_vars): Only align prev_offset to
5125         ASAN_MIN_RED_ZONE_SIZE, not to maximum of that and alignb.
5126
5127         PR c++/85052
5128         * tree-vect-generic.c: Include insn-config.h and recog.h.
5129         (expand_vector_piecewise): Add defaulted ret_type argument,
5130         if non-NULL, use that in preference to type for the result type.
5131         (expand_vector_parallel): Formatting fix.
5132         (do_vec_conversion, do_vec_narrowing_conversion,
5133         expand_vector_conversion): New functions.
5134         (expand_vector_operations_1): Call expand_vector_conversion
5135         for VEC_CONVERT ifn calls.
5136         * internal-fn.def (VEC_CONVERT): New internal function.
5137         * internal-fn.c (expand_VEC_CONVERT): New function.
5138         * fold-const-call.c (fold_const_vec_convert): New function.
5139         (fold_const_call): Use it for CFN_VEC_CONVERT.
5140         * doc/extend.texi (__builtin_convertvector): Document.
5141
5142 2019-01-07  Tom de Vries  <tdevries@suse.de>
5143
5144         * config/nvptx/nvptx-protos.h (nvptx_output_red_partition): Declare.
5145         * config/nvptx/nvptx.c (vector_red_size, vector_red_align,
5146         vector_red_partition, vector_red_sym): New global variables.
5147         (nvptx_option_override): Initialize vector_red_sym.
5148         (nvptx_declare_function_name): Restore red_partition register.
5149         (nvptx_file_end): Emit code to declare the vector reduction variables.
5150         (nvptx_output_red_partition): New function.
5151         (nvptx_expand_shared_addr): Add vector argument. Use it to handle
5152         large vector reductions.
5153         (enum nvptx_builtins): Add NVPTX_BUILTIN_VECTOR_ADDR.
5154         (nvptx_init_builtins): Add VECTOR_ADDR.
5155         (nvptx_expand_builtin): Update call to nvptx_expand_shared_addr.
5156         Handle nvptx_expand_shared_addr.
5157         (nvptx_get_shared_red_addr): Add vector argument and handle large
5158         vectors.
5159         (nvptx_goacc_reduction_setup): Add offload_attrs argument and handle
5160         large vectors.
5161         (nvptx_goacc_reduction_init): Likewise.
5162         (nvptx_goacc_reduction_fini): Likewise.
5163         (nvptx_goacc_reduction_teardown): Likewise.
5164         (nvptx_goacc_reduction): Update calls to nvptx_goacc_reduction_{setup,
5165         init,fini,teardown}.
5166         (nvptx_init_axis_predicate): Initialize vector_red_partition.
5167         (nvptx_set_current_function): Init vector_red_partition.
5168         * config/nvptx/nvptx.md (UNSPECV_RED_PART): New unspecv.
5169         (nvptx_red_partition): New insn.
5170         * config/nvptx/nvptx.h (struct machine_function): Add red_partition.
5171
5172 2019-01-07  Tom de Vries  <tdevries@suse.de>
5173
5174         PR target/85381
5175         * config/nvptx/nvptx.c (nvptx_process_pars): Don't emit barriers for
5176         empty loops.
5177
5178 2019-01-07  Tom de Vries  <tdevries@suse.de>
5179
5180         * config/nvptx/nvptx.c (oacc_bcast_partition): Declare.
5181         (nvptx_option_override): Init oacc_bcast_partition.
5182         (nvptx_init_oacc_workers): New function.
5183         (nvptx_declare_function_name): Call nvptx_init_oacc_workers.
5184         (nvptx_needs_shared_bcast): New function.
5185         (nvptx_find_par): Generalize to enable vectors to use shared-memory
5186         to propagate state.
5187         (nvptx_shared_propagate): Initialize vector bcast partition and
5188         synchronization state.
5189         (nvptx_single):  Generalize to enable vectors to use shared-memory
5190         to propagate state.
5191         (nvptx_process_pars): Likewise.
5192         (nvptx_set_current_function): Initialize oacc_broadcast_partition.
5193         * config/nvptx/nvptx.h (struct machine_function): Add
5194         bcast_partition and sync_bar members.
5195
5196 2019-01-07  Tom de Vries  <tdevries@suse.de>
5197
5198         * config/nvptx/nvptx.c (nvptx_welformed_vector_length_p)
5199         (nvptx_apply_dim_limits): New function.
5200         (nvptx_goacc_validate_dims_1): Allow PTX_MAX_VECTOR_LENGTH larger than
5201         PTX_WARP_SIZE.
5202
5203 2019-01-07  Tom de Vries  <tdevries@suse.de>
5204
5205         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Move warnings to
5206         as late as possible.
5207
5208 2019-01-07  Tom de Vries  <tdevries@suse.de>
5209
5210         * config/nvptx/nvptx.c (PTX_VECTOR_LENGTH): Remove.
5211         (PTX_DEFAULT_VECTOR_LENGTH, PTX_MAX_VECTOR_LENGTH): Define.
5212         (nvptx_goacc_validate_dims_1, nvptx_dim_limit)
5213         (nvptx_goacc_reduction_fini): Use PTX_DEFAULT_VECTOR_LENGTH,
5214         PTX_MAX_VECTOR_LENGTH and PTX_WARP_SIZE instead of PTX_VECTOR_LENGTH.
5215
5216 2019-01-07  Tom de Vries  <tdevries@suse.de>
5217
5218         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Add asserts.
5219
5220 2019-01-07  Tom de Vries  <tdevries@suse.de>
5221
5222         * omp-offload.c (oacc_get_min_dim): New function.
5223         * omp-offload.h (oacc_get_min_dim): Declare.
5224
5225 2018-12-26  Mateusz B  <mateuszb@poczta.onet.pl>
5226
5227         PR target/88521
5228         * config/i386/i386.c (function_value_ms_64): Return small sturct in
5229         AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
5230
5231 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5232
5233         PR tree-opt/86020
5234         Revert:
5235         2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
5236
5237         * ipa-inline.c (edge_badness): Use inlined_time instead of
5238         inline_summaries->get.
5239
5240 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5241
5242         * opts.c (enable_fdo_optimizations): Enable
5243         version-loops-for-strides, loop-interchange, unrol-and-jam
5244         and tree-loop-distribution.
5245         * invoke.texi: Document newly enabled options.
5246
5247 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5248
5249         * doc/invoke.texi (max-inline-insns-small): New parameters.
5250         * ipa-inline.c (want_early_inline_function_p): simplify.
5251         (want_inline_small_function_p): Fix pasto from previous patch;
5252         use max-inline-insns-small bound.
5253         * params.def (max-inline-insns-small): New param.
5254         * ipa-fnsummary.c (analyze_function_body): Initialize time/size
5255         variables correctly.
5256
5257 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5258
5259         * doc/invoke.texi: Document max-inline-insns-size,
5260         uninlined-function-insns, uninlined-function-time,
5261         uninlined-thunk-insns and uninlined-thunk-time.
5262         * params.def: Add max-inline-insns-size,
5263         uninlined-function-insns, uninlined-function-time,
5264         uninlined-thunk-insns and uninlined-thunk-time.
5265         * ipa-fnsummary.c (compute_fn_summary, analyze_function_body): Use
5266         new parameters.
5267         * ipa-inline.c (can_inline_edge_by_limits_p,
5268         want_inline_small_function_p): Use new parameters.
5269
5270 2019-01-05  Jan Hubicka  <hubicka@ucw.cz>
5271
5272         * ipa-fnsummary.c (analyze_function_body): Fix accounting of time.
5273
5274 2019-01-05  Jakub Jelinek  <jakub@redhat.com>
5275
5276         PR middle-end/82564
5277         PR target/88620
5278         * expr.c (expand_assignment): For calls returning VLA structures
5279         if to_rtx is not a MEM, force it into a stack temporary.
5280
5281         PR debug/88635
5282         * dwarf2out.c (const_ok_for_output_1): Reject MINUS that contains
5283         SYMBOL_REF, CODE_LABEL or UNSPEC in subexpressions of second argument.
5284         Reject PLUS that contains SYMBOL_REF, CODE_LABEL or UNSPEC in
5285         subexpressions of both operands.
5286         (mem_loc_descriptor): Handle UNSPEC if target hook acks it and all the
5287         subrtxes are CONSTANT_P.
5288         * config/i386/i386.c (ix86_const_not_ok_for_debug_p): Revert
5289         2018-11-09 changes.
5290
5291 2019-01-04  Jan Hubicka  <hubicka@ucw.cz>
5292
5293         * params.def (hot-bb-count-ws-permille): Set to 990.
5294
5295 2019-01-04  Martin Sebor  <msebor@redhat.com>
5296
5297         PR c/88546
5298         * attribs.c (decls_mismatched_attributes): Avoid warning for attribute
5299         leaf.
5300
5301 2019-01-04  Martin Sebor  <msebor@redhat.com>
5302
5303         PR c/88363
5304         * doc/extend.texi (attribute alloc_align, alloc_size): Update.
5305
5306 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
5307
5308         * gdbinit.in: Turn off pagination for the skip commands, restore
5309         it to previous state afterwards.
5310
5311 2019-01-04  Jakub Jelinek  <jakub@redhat.com>
5312
5313         PR target/88594
5314         * config/i386/i386.c (ix86_expand_divmod_libfunc): Use mode instead
5315         of GET_MODE (opN) as modes of the libcall arguments.
5316
5317 2019-01-04  Jan Beulich  <jbeulich@suse.com>
5318
5319         * config/i386/sse.md
5320         (<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>,
5321         <avx512>_cmp<mode>3<mask_scalar_merge_name>,
5322         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
5323         <avx512>_ucmp<mode>3<mask_scalar_merge_name>,
5324         avx512f_vmcmp<mode>3<round_saeonly_name>,
5325         avx512f_vmcmp<mode>3_mask<round_saeonly_name>,
5326         avx512f_maskcmp<mode>3,
5327         <avx512>_cvt<ssemodesuffix>2mask<mode>,
5328         <avx512>_cvt<ssemodesuffix>2mask<mode>,
5329         *<avx512>_cvtmask2<ssemodesuffix><mode>,
5330         *<avx512>_cvtmask2<ssemodesuffix><mode>,
5331         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
5332         <avx512>_eq<mode>3<mask_scalar_merge_name>_1,
5333         <avx512>_gt<mode>3<mask_scalar_merge_name>,
5334         <avx512>_gt<mode>3<mask_scalar_merge_name>,
5335         <avx512>_testm<mode>3<mask_scalar_merge_name>,
5336         <avx512>_testnm<mode>3<mask_scalar_merge_name>,
5337         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext,
5338         *<avx512>_testm<VI1248_AVX512VLBW:mode>3_zext_mask,
5339         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext,
5340         *<avx512>_testnm<VI1248_AVX512VLBW:mode>3_zext_mask,
5341         avx512cd_maskb_vec_dup<mode>,
5342         avx512cd_maskw_vec_dup<mode>,
5343         avx512dq_fpclass<mode><mask_scalar_merge_name>,
5344         avx512dq_vmfpclass<mode>,
5345         avx512vl_vpshufbitqmb<mode><mask_scalar_merge_name>): Use =k
5346         instead of =Yk.
5347
5348 2019-01-03  Martin Sebor  <msebor@redhat.com>
5349
5350         PR tree-optimization/88659
5351         * calls.c (maybe_warn_nonstring_arg): Avoid assuming maxlen is set.
5352
5353 2019-01-03  Aaron Sawdey  <acsawdey@linux.ibm.com>
5354
5355         * config/rs6000/rs6000-string.c (expand_block_move): Don't use
5356         unaligned vsx and avoid lxvd2x/stxvd2x.
5357         (gen_lvx_v4si_move): New function.
5358
5359 2019-01-03  Tom de Vries  <tdevries@suse.de>
5360
5361         * config/nvptx/nvptx.c (MACH_VECTOR_LENGTH, MACH_MAX_WORKERS): Define.
5362         (init_axis_dim, nvptx_mach_max_workers, nvptx_mach_vector_length): New
5363         function.
5364         * config/nvptx/nvptx.h (struct machine_function): Add axis_dims.
5365
5366 2019-01-03  Tom de Vries  <tdevries@suse.de>
5367
5368         * config/nvptx/nvptx.c (struct offload_attrs): New.
5369         (populate_offload_attrs): New function.  Factor mask extraction out of
5370         nvptx_reorg.  Add extraction of dimensions.
5371         (nvptx_reorg): Use populate_offload_attrs.
5372
5373 2019-01-03  Tom de Vries  <tdevries@suse.de>
5374
5375         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): Add early-out
5376         cases for oacc_min_dims_p and routine_p.  Add asserts for
5377         oacc_default_dims_p and offload_region_p.
5378
5379 2019-01-03  Tom de Vries  <tdevries@suse.de>
5380
5381         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims_1): New function,
5382         factored out of ...
5383         (nvptx_goacc_validate_dims): ... here.
5384
5385 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
5386
5387         PR tree-optimization/85574
5388         * tree-ssa-uncprop.c (struct equiv_hash_elt): Remove unused
5389         structure.
5390         (struct ssa_equip_hash_traits): Declare.
5391         (val_ssa_equiv): Use custom hash traits using operand_equal_p.
5392
5393 2019-01-03  Jakub Jelinek  <jakub@redhat.com>
5394
5395         PR debug/88644
5396         * dwarf2out.c (modified_type_die): If type is equal to sizetype,
5397         change it to qualified_type.
5398
5399 2019-01-03  Jan Hubicka  <hubicka@ucw.cz>
5400
5401         * ipa-utils.c (scale_ipa_profile_for_fn): Break out from ...
5402         (ipa_merge_profiles): ... here; do not ICE on thunks and aliases.
5403
5404 2019-01-02  Martin Sebor  <msebor@redhat.com>
5405             Jeff Law  <law@redhat.com>
5406
5407         * gimple-fold.c (strlen_range_kind): Remove SRK_LENRANGE_2.
5408         (get_range_strlen_tree): Update appropriately.
5409         (get_range_strlen)
5410         * gimple-fold.h (get_range_strlen): Drop unused last argument.
5411
5412         * gimple-fold.c (gimple_fold_builtin_strlen): Use set_strlen_range
5413         rather than set_range_info.
5414         * tree-ssa-strlen.c (set_strlen_range): Extracted from
5415         maybe_set_strlen_range.  Handle potentially boundary crossing
5416         cases more conservatively.
5417         (maybe_set_strlen_range): Parts refactored into set_strlen_range.
5418         Call set_strlen_range.
5419         * tree-ssa-strlen.h (set_strlen_range): Add prototype.
5420
5421         PR middle-end/88663
5422         * gimple-fold.c (get_range_strlen): Update prototype to no longer
5423         need the flexp argument.
5424         (get_range_strlen_tree): Drop flexp argument.  Drop flexp argument
5425         from calls to get_range_strlen.  Update comments.  Just update
5426         VAL for an unterminated const char array and let the reset of the
5427         code handle it normally.  No longer try to set *flexp.  Adjust
5428         return value.
5429         (get_range_strlen): Update for the new get_range_strlen API.
5430         (get_maxval_strlen): Similarly.
5431         (gimple_fold_builtin_strlen): Handle update meaning of return value
5432         from get_range_strlen.
5433         * gimple-ssa-sprintf.c (get_string_length): Update for the new
5434         get_range_strlen API.
5435
5436 2019-01-02  Jan Hubicka  <hubicka@ucw.cz>
5437
5438         PR lto/88130
5439         * varpool.c (varpool_node::ctor_useable_for_folding_p): Also return
5440         false at WPA time when body was removed.
5441
5442 2019-01-02  Martin Liska  <mliska@suse.cz>
5443
5444         PR tree-optimization/88650
5445         * predict.c (set_even_probabilities): Calculate probability
5446         remainer only when really used.
5447
5448 2019-01-02  Richard Biener  <rguenther@suse.de>
5449
5450         PR middle-end/88651
5451         * tree-data-ref.c (analyze_subscript_affine_affine): Use
5452         widest_ints when mangling max_stmt_execution results.
5453
5454 2019-01-02  Richard Biener  <rguenther@suse.de>
5455
5456         PR tree-optimization/88621
5457         * tree-ssa-loop-im.c (gather_mem_refs_stmt): Fix pastos, avoid
5458         bitfields when canoncalizing.
5459
5460 2019-01-02  Richard Biener  <rguenther@suse.de>
5461
5462         PR target/87545
5463         * config/i386/x86-tune-costs.h (intel_cost): Adjust
5464         cost of cheap SSE instruction.
5465
5466 2019-01-02  Richard Biener  <rguenther@suse.de>
5467
5468         PR ipa/85574
5469         * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
5470         * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
5471         function.
5472         (sem_item_optimizer::do_congruence_step_f): Sort the congruence
5473         set after UIDs before splitting them.
5474
5475 2019-01-01  Martin Sebor  <msebor@redhat.com>
5476             Jeff Law  <law@redhat.com>
5477
5478         * gimple-fold.c (get_range_strlen_tree): Record if the computed
5479         length is optimistic.  If it is, then arrange to compute the
5480         conservative length as well.
5481
5482         * gimple-fold.h (get_range_strlen): Update prototype.
5483         * builtins.c (check_access): Update call to get_range_strlen to use
5484         c_strlen_data pointer.   Change various variable accesses to instead
5485         pull data from the c_strlen_data structure.
5486         (check_strncat_sizes, expand_builtin_strncat): Likewise.
5487         * calls.c (maybe_warn_nonstring_arg): Likewise.
5488         * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.  Reset
5489         minimum length if maximum lengh is unknown.
5490         * gimple-ssa-sprintf.c (get_string_length): Likewise.  Drop code
5491         that used c_strlen, it's no longer needed.  Restructure slightly.
5492         (format_string): Set unlikely range appropriately.
5493         * gimple-fold.c (get_range_strlen): Update comments.  Fix minor
5494         formatting issues.
5495         (get_range_strlen):  Accept c_strlen_data pointer for external
5496         call sites as well.  Pass through to call to internal get_range_strlen.
5497         Adjust minlen, maxlen and maxbound as needed.
5498         (get_maxval_strlen): Update comments.
5499         (gimple_fold_builtin_strlen):  Update call to get_range_strlen
5500         to use c_strlen_data pointer.  Change variable accesses to instead
5501         use c_strlen_data data members.
5502
5503         * gimple-fold.c (get_range_strlen): Update prototype.
5504         (get_range_strlen_tree): Update prototype.  Drop minlen/maxlen
5505         local variables.  Use pdata to return information to caller.
5506         Update calls to get_range_strlen.  Update pdata->maxbound.
5507         (get_range_strlen -- static version): Similarly.
5508         (get_range_strlen -- extern version): Update for internal
5509         get_range_strlen API change.  Convert to external data format.
5510         (get_maxval_strlen): Similarly.
5511
5512 2019-01-01  Jan Hubicka  <hubicka@ucw.cz>
5513
5514         * coverage.c (get_coverage_counts): Use current_function_decl.
5515         * profile.c (read_thunk_profile): New function.
5516         (branch_prob): Add THUNK parameter.
5517         * tree-profile.c (tree_profiling): Handle thunks.
5518         * value-prof.c (init_node_map): Handle thunks.
5519         * value-prof.h (branch_prob): Upate prototype.
5520         (read_thunk_profile): Declare.
5521
5522 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
5523
5524         Update copyright years.
5525
5526         * gcc.c (process_command): Update copyright notice dates.
5527         * gcov-dump.c (print_version): Ditto.
5528         * gcov.c (print_version): Ditto.
5529         * gcov-tool.c (print_version): Ditto.
5530         * gengtype.c (create_file): Ditto.
5531         * doc/cpp.texi: Bump @copying's copyright year.
5532         * doc/cppinternals.texi: Ditto.
5533         * doc/gcc.texi: Ditto.
5534         * doc/gccint.texi: Ditto.
5535         * doc/gcov.texi: Ditto.
5536         * doc/install.texi: Ditto.
5537         * doc/invoke.texi: Ditto.
5538 \f
5539 Copyright (C) 2019 Free Software Foundation, Inc.
5540
5541 Copying and distribution of this file, with or without modification,
5542 are permitted in any medium without royalty provided the copyright
5543 notice and this notice are preserved.